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1 2012-01-15 Jim Meyering <meyering@redhat.com>
2
3 maint: get fdl.texi from gnulib
4 * bootstrap.conf (gnulib_modules): Add fdl.
5 * doc/fdl.texi: Remove file.
6 * doc/.gitignore: Add it here.
7
8 2012-01-15 Jim Meyering <meyering@redhat.com>
9
10 maint: spell "file system" as two separate words
11 * doc/Doxyfile.in: Spell it "file system", to avoid a
12 "make syntax-check" failure.
13
14 2012-01-15 Jim Meyering <meyering@redhat.com>
15
16 maint: avoid "the the"
17 * djgpp/README.in: s/the the/the/
18 * src/parse-gram.c (lloc_default): Likewise.
19 * src/parse-gram.y (lloc_default): Likewise, and remove a
20 trailing space.
21
22 2012-01-13 Jim Meyering <meyering@redhat.com>
23
24 build: avoid warning from coverity about lbitset_elt_find
25 * lib/lbitset.c (lbitset_elt_find): Remove unnecessary test of "elt",
26 at a point where we know it is non-NULL, due to prior dereference.
27
28 2012-01-13 Akim Demaille <akim@lrde.epita.fr>
29
30 maint: factor copyright year.
31 * configure.ac: Use $PACKAGE_COPYRIGHT_YEAR instead of repeating it.
32
33 2012-01-13 Akim Demaille <akim@lrde.epita.fr>
34
35 maint: catch missing gnulib macros.
36 * configure.ac: Add m4_pattern_forbid.
37
38 2012-01-11 Tim Landscheidt <tim@tim-landscheidt.de>
39
40 java: remove used variable.
41 * data/lalr1.java (yyresult): remove, unused.
42
43 2012-01-11 Akim Demaille <demaille@gostai.com>
44
45 scanner: fix typo.
46 * src/scan-skel.l (@`): s/emtpy/empty/.
47 Reported by Tim Landscheidt.
48
49 2012-01-06 Jim Meyering <meyering@redhat.com>
50
51 build: avoid warnings about set-but-not-used variables
52 * lib/bitset_stats.c (bitset_stats_list): Remove declaration
53 and set of unused local, "type".
54 * lib/ebitset.c (ebitset_init): Likewise, for "size".
55 * lib/lbitset.c (lbitset_not): Likewise, for "elt".
56
57 2011-08-21 Joel E. Denny <joeldenny@joeldenny.org>
58
59 tests: add -pedantic for --enable-gcc-warnings.
60 This should help to avoid some portability problems. For example,
61 it would have revealed the empty unions fixed by the last patch
62 * configure.ac (WARN_CFLAGS_TESTS, WARN_CXXFLAGS_TEST): Implement.
63 * tests/synclines.at (AT_TEST_SYNCLINE): Avoid -pedantic warning
64 about an empty translation unit.
65
66 2011-08-21 Joel E. Denny <joeldenny@joeldenny.org>
67
68 tests: fix empty unions.
69 Empty unions are not accepted by the ISO C99 grammar or by at
70 least some versions of Sun Studio. Reported by Wolfgang S. Kechel
71 at
72 <http://lists.gnu.org/archive/html/bug-bison/2011-08/msg00003.html>.
73 * NEWS (2.5.1): Document fix.
74 * THANKS (Wolfgang S. Kechel): Add.
75 * tests/existing.at (GNU Cim Grammar)
76 (GNU pic (Groff 1.18.1) Grammar.): Remove empty %union.
77
78 2011-07-10 Joel E. Denny <joeldenny@joeldenny.org>
79
80 build: avoid YACC typo inherited from Autoconf.
81 The typo shows up in the `configure --help' output. Reported by
82 W.C.A. Wijngaards and Paul Eggert at
83 <http://lists.gnu.org/archive/html/bug-bison/2011-07/msg00000.html>.
84 * README-hacking (Release Procedure): Remind about updating
85 maintainer tools before a release.
86 * THANKS (W.C.A. Wijngaards): Add.
87 * configure.ac (AC_PREREQ): Set to 2.68, which fixes the YACC
88 typo.
89
90 2011-07-10 Joel E. Denny <joeldenny@joeldenny.org>
91
92 build: create xz instead of bzip2 tarballs.
93 Suggested by Jim Meyering at
94 <http://lists.gnu.org/archive/html/bug-bison/2011-06/msg00012.html>.
95 * README-hacking (Release Procedure): Update example.
96 * configure.ac (AM_INIT_AUTOMAKE): Replace dist-bzip2 with
97 dist-xz.
98
99 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
100
101 doc: clean up references to `Locations Overview'.
102 * doc/bison.texinfo (Locations Overview): Rename node to...
103 (Locations): ... this, which is its section name. Update menus to
104 match that and not to use the title `Tracking Locations', which is
105 a different section.
106
107 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
108
109 doc: clean up references to `Tracking Locations'.
110 * doc/bison.texinfo (Locations): Rename node to...
111 (Tracking Locations): ... this, which is its section name, and
112 update all cross references. The trouble is that there is another
113 node about locations. Its section name is `Locations', which was
114 easily confused with the node name of this node. Moreover, its
115 node name is `Locations Overview', which was mistakenly used to
116 label some cross references to this node.
117
118 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
119
120 doc: clean up `Named References' a little.
121 * doc/bison.texinfo (Named References): Rename section to match
122 the node name, and update all cross references. Don't use the
123 acronyms RHS and LHS given that we don't expand them anywhere in
124 the manual. Try to use @samp and @code properly. Mention that
125 named references are experimental as we've already stated in NEWS.
126 (Destructor Decl): Expand the only remaining use of RHS or LHS.
127
128 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
129
130 doc: motivate named references.
131 Suggested by Hans Aberg at
132 <http://lists.gnu.org/archive/html/bug-bison/2011-05/msg00008.html>.
133 * doc/bison.texinfo (Named References): Explain briefly how
134 they're better than the traditional positional references.
135
136 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
137
138 doc: discuss named references after locations.
139 Reported by Hans Aberg at
140 <http://lists.gnu.org/archive/html/bug-bison/2011-05/msg00008.html>.
141 * NEWS (2.5.1): Document.
142 * doc/bison.texinfo (Named References): Because it discusses
143 locations in addition to semantic values, move this subsection out
144 of the section `Defining Language Semantics', where locations have
145 not yet been introduced, to be a new section after the following
146 section, `Tracking Locations'.
147
148 2011-05-29 Joel E. Denny <joeldenny@joeldenny.org>
149
150 Prepare for the possibility of a 2.5.1 release.
151 * NEWS (2.5.1): New heading.
152
153 2011-05-14 Joel E. Denny <joeldenny@joeldenny.org>
154
155 Version 2.5.
156 * NEWS (2.5): Set date.
157
158 2011-05-14 Joel E. Denny <joeldenny@joeldenny.org>
159
160 Don't use IF_LINT in Bison sources.
161 It creates unnecessary differences between the sources that Bison
162 maintainers build and test (given that maintainers normally
163 configure with --enable-gcc-warnings) and the sources that Bison
164 users build. Instead, use PACIFY_CC, which doesn't. This change
165 fixes compiler warnings reported by Tys Lefering at
166 <http://lists.gnu.org/archive/html/bison-patches/2011-05/msg00004.html>.
167 * configure.ac: Don't AC_DEFINE lint regardless of the configure
168 options. This change affects imported gnulib sources, where
169 IF_LINT still appears and depends on lint.
170 * src/scan-gram.l, src/scan-skel.l: Replace uses of IF_LINT with
171 PACIFY_CC.
172 * src/system.h (IF_LINT): Remove cpp macro.
173 (PACIFY_CC): New cpp macro.
174
175 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
176
177 Fix precedence for end token.
178 Since Bison 2.3b, which restored the ability of precedence
179 directives to assign user token numbers, doing so for user token
180 number 0 has produced an assertion failure.
181 * NEWS (2.5): Document fix.
182 * src/symtab.c (symbol_user_token_number_set): In the case of the
183 end token, don't decrement ntokens if it was never incremented.
184 * tests/regression.at (Token number in precedence declaration):
185 Extend.
186
187 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
188
189 Prepare for 2.5 release.
190 * NEWS (2.5_rc1): Rename back to...
191 (2.5): ... this, and unset date.
192
193 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
194
195 Version 2.5_rc1.
196 * NEWS (2.5): Rename to...
197 (2.5_rc1): ... this, and set date.
198
199 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
200
201 Pacify -DGNULIB_POSIXCHECK.
202 * bootstrap.conf (gnulib_modules): Add all modules suggested by
203 -DGNULIB_POSIXCHECK.
204 * src/files.c (file_name_split)
205 * src/getargs.c (getargs)
206 * src/location.c (boundary_set_from_string)
207 * src/output.c (token_definitions_output, output_skeleton)
208 * src/parse-gram.y (prologue_declaration)
209 * src/scan-gram.l (handle_syncline)
210 * src/symtab.c (symbol_new): Use mbschr and mbsrchr instead of
211 strchr and strrchr. In the cases of command-line options, file
212 names, and thus locations, functionality may be improved. In the
213 case of symbol names, there should be no functional difference as
214 all characters are ASCII, so the intended benefit is just warning
215 suppression.
216
217 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
218
219 * NEWS (2.5): Fix minor typos.
220
221 2011-05-01 Joel E. Denny <joeldenny@joeldenny.org>
222
223 doc: clean up quotation style in NEWS.
224 * NEWS (2.5): For multi-character tokens in example grammar rules,
225 use "token" not 'token'. In English, use a consistent quotation
226 style; we might as well follow the precedent seen in info pages:
227 `quote' not "quote".
228
229 2011-04-16 Joel E. Denny <joeldenny@joeldenny.org>
230
231 tests: pacify gcc 4.6.0's -Wunused-but-set-variable.
232 Reported by Jim Meyering at
233 <http://lists.gnu.org/archive/html/bug-bison/2011-04/msg00002.html>.
234 * tests/actions.at
235 (Default %printer and %destructor for mid-rule values): Define
236 YYLLOC_DEFAULT so that it uses its Rhs argument.
237
238 2011-04-16 Joel E. Denny <joeldenny@joeldenny.org>
239
240 glr.c: omit yyresolveLocations when locations are disabled.
241 This prevents gcc 4.6.0's -Wunused-but-set-variable from warning
242 about yyresolveLocations's local yyrhsloc. When locations are
243 enabled, there's no such warning because YYLLOC_DEFAULT then uses
244 yyrhsloc. Reported by Jim Meyering at
245 <http://lists.gnu.org/archive/html/bug-bison/2011-04/msg00002.html>.
246 * data/glr.c (yyresolveLocations): Omit definition when locations
247 are disabled.
248 (yyresolveValue): Omit yyresolveLocations invocation when
249 locations are disabled.
250
251 2011-04-16 Joel E. Denny <joeldenny@joeldenny.org>
252
253 gnulib, autoconf: update.
254 * README-hacking (Updating a submodule): Give advice on how to
255 determine the versions of gnulib and autoconf to which we should
256 update.
257 (Release Procedure): Note that submodules should be updated.
258 * bootstrap.conf (gnulib_modules): Rename pipe to spawn-pipe as
259 suggested in updated gnulib NEWS.
260 * gnulib: Choose a stable snapshot according to advice in Bison's
261 README-hacking.
262 * po/POTFILES.in (lib/pipe.c): Rename to...
263 (lib/spawn-pipe.c): ... this.
264 * src/output.c: Update to include spawn-pipe.h.
265 * submodules/autoconf: Update to latest for improvement in m4.m4
266 that excludes M4 with buggy strstr. The only other changes to
267 files that we use are copyright updates.
268
269 2011-04-09 Joel E. Denny <joeldenny@joeldenny.org>
270
271 Fix missing updates to GPLv3.
272 Reported by Tys Lefering at
273 <http://lists.gnu.org/archive/html/bison-patches/2011-04/msg00000.html>.
274 * src/print-xml.c, src/print-xml.h: In these files.
275
276 2011-03-27 Joel E. Denny <joeldenny@joeldenny.org>
277
278 Add -Wconflicts-sr and -Wconflicts-rr.
279 Thus, conflict reports are now affected by -Werror and -Wnone
280 (unless %expect or %expect-rr is specified). Reported by George
281 Neuner at
282 <http://lists.gnu.org/archive/html/bug-bison/2010-08/msg00002.html>.
283 * NEWS (2.5): Document.
284 * doc/bison.texinfo (Bison Options): Document.
285 * src/complain.c, src/complain.h (set_warning_issued): Export
286 function.
287 * src/conflicts.c (conflicts_print): Suppress conflict report
288 based on -Wno-conflicts-sr and -Wno-conflicts-rr, and treat
289 conflicts as errors if -Werror.
290 * src/getargs.c (warnings_flag): Initialize with
291 warnings_conflicts_sr and warnings_conflicts_rr as well.
292 (warnings_args, warnings_types): Add entries for
293 warnings_conflicts_sr and warnings_conflicts_rr.
294 (usage): Update.
295 * src/getargs.h (enum warnings): Add entries for
296 warnings_conflicts_sr and warnings_conflicts_rr.
297 * tests/conflicts.at (-W versus %expect and %expect-rr): New test
298 group.
299 * tests/local.at (AT_BISON_CHECK_NO_XML): Update now that the
300 conflict report can produce a "warnings being treated as errors"
301 message. Also, check that stderr is now fully scrubbed by -Wnone
302 when the exit status is 0.
303
304 2011-03-27 Joel E. Denny <joeldenny@joeldenny.org>
305
306 Pacify maintainer-check-posix.
307 Adding command-line options after the grammar file name is not
308 permitted, so disable checks that do that when
309 maintainer-check-posix is running.
310 * tests/local.at (AT_BISON_CHECK_NO_XML): Don't run the
311 problematic checks when POSIXLY_CORRECT=1. Also, for readability,
312 remove an unnecessary m4_if.
313
314 2011-03-27 Joel E. Denny <joeldenny@joeldenny.org>
315
316 Add -Wother so -Wnone suppresses all warnings.
317 Reported by George Neuner at
318 <http://lists.gnu.org/archive/html/bug-bison/2010-08/msg00002.html>.
319 * NEWS (2.5): Document.
320 * THANKS (George Neuner): Add.
321 * doc/bison.texinfo (Bison Options): Document.
322 * src/complain.c, src/complain.h
323 (warn_at, warn_at_indent, warn): Suppress warning if -Wno-other.
324 (midrule_value_at): New warning function, similar to yacc_at in
325 that it's controlled by its own warning category.
326 * src/getargs.c (warnings_flag): Initialize to warnings_other.
327 (warnings_args, warnings_types): Add entry for warnings_other.
328 (usage): Update.
329 * src/getargs.h (enum warnings): Add entry for warnings_other.
330 * src/gram.c (grammar_rules_useless_report): If -Wno-other, then
331 don't print useless rules.
332 * src/reader.c (symbol_should_be_used): Rather than adjusting the
333 return value based on whether midrule value warnings are enabled,
334 accept a new parameter for telling the caller whether true is
335 being returned for a potential midrule warning.
336 (grammar_rule_check): Use midrule_value_at for midrule value
337 warnings, and continue to use warn_at for all other warnings. Let
338 them check whether the warnings are enabled.
339 * tests/local.at (AT_BISON_CHECK): Update documentation.
340 (AT_BISON_CHECK_NO_XML): Check that -Wnone and --warnings=none
341 disable all warnings exercised in the test suite.
342
343 2011-03-27 Joel E. Denny <joeldenny@joeldenny.org>
344
345 Don't let -Wnone disable -Werror.
346 Discussed at
347 <http://lists.gnu.org/archive/html/bison-patches/2010-08/msg00009.html>.
348 * NEWS (2.5): Document.
349 * src/getargs.c (flags_argmatch): Accept a new argument that
350 specifies what flags "all" and thus "none" affect.
351 (FLAGS_ARGMATCH): Update flags_argmatch invocation.
352 * tests/input.at (-Werror is not affected by -Wnone and -Wall):
353 New test group.
354
355 2011-03-27 Joel E. Denny <joeldenny@joeldenny.org>
356
357 * NEWS (2.5): Document fix for -Wno-CATEGORY.
358
359 2008-11-21 Di-an Jan <dianj@freeshell.org>
360
361 Implement no-XXX arguments for --warnings, --report, --trace.
362 * src/getargs.c (flags_argmatch): Handles no-XXX.
363 Fix typo in doxygen comment.
364
365 2011-03-20 Joel E. Denny <joeldenny@joeldenny.org>
366
367 doc: fix confusing citation of LAC publication.
368 Suggested by Akim Demaille.
369 * doc/bison.texinfo (LAC): Here.
370
371 2011-03-20 Joel E. Denny <joeldenny@joeldenny.org>
372
373 lr.default-reductions: rename "full" value to "most".
374 Unlike "consistent" and "accepting", "full" doesn't answer the
375 question of "which states".
376 * doc/bison.texinfo (%define Summary): Update.
377 (Default Reductions): Update.
378 * src/print.c (print_reductions): Update.
379 * src/reader.c (prepare_percent_define_front_end_variables):
380 Update.
381 * src/tables.c (action_row): Update.
382 * tests/input.at (%define enum variables): Update.
383 * tests/reduce.at (%define lr.default-reductions): Update.
384
385 2011-03-13 Joel E. Denny <joeldenny@joeldenny.org>
386
387 * src/parse-gram.c, src/parse-gram.h: Regenerate.
388
389 2011-03-09 Akim Demaille <akim@lrde.epita.fr>
390
391 named references: fix double free.
392 In `rhs[name]: "a" | "b"', do not free "name" twice.
393 Reported by Tys Lefering.
394 <http://lists.gnu.org/archive/html/bug-bison/2010-06/msg00002.html>
395 * src/named-ref.h, src/named-ref.c (named_ref_copy): New.
396 * src/parse-gram.y (current_lhs): Rename as...
397 (current_lhs_symbol): this.
398 (current_lhs): New function. Use it to free the current lhs
399 named reference.
400 * src/reader.c: Bind lhs to a copy of the current named reference.
401 * src/symlist.c: Rely on free (0) being valid.
402 * tests/named-refs.at: Test this.
403
404 2011-03-09 Akim Demaille <akim@lrde.epita.fr>
405
406 tests: style changes.
407 * tests/named-refs.at (Redundant words in LHS brackets)
408 (Unresolved references): here.
409
410 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
411
412 java: fix parser tracing bug.
413 * NEWS (2.5): Document.
414 * data/lalr1.java (YYParser::YYStack::print): Don't skip top
415 element.
416
417 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
418
419 java: finish fixing parser stack popping bug.
420 * NEWS (2.5): Document.
421 * data/lalr1.java (YYParser::YYStack::pop): Fix off-by-one error
422 in clearing the location stack. Also fix pop function that
423 accepts no arguments.
424
425 2011-03-06 Angelo Borsotti <angelo.borsotti@gmail.com> (tiny change)
426
427 java: fix parser stack popping bug.
428 Reported at
429 <http://lists.gnu.org/archive/html/bug-bison/2011-02/msg00005.html>.
430 * THANKS (Angelo Borsotti): Add.
431 * data/lalr1.java (YYParser::YYStack::pop): Fix off-by-one error
432 in clearing the value stack. Previously, the top element of the
433 stack wasn't cleared and so the value was not garbage collected.
434
435 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
436
437 doc: cite publication for LAC.
438 * doc/bison.texinfo (LAC): Here.
439
440 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
441
442 doc: clean up terminology for mysterious conflicts.
443 * doc/bison.texinfo (Mystery Conflicts): Rename node to...
444 (Mysterious Conflicts): ... this, which is already the section
445 title and the name used in the index. Update all cross-references
446 to this node. Also, don't imply that R/R conflicts are the only
447 kind of mysterious conflict.
448
449 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
450
451 lr.default-reductions: rename "all" value to "full".
452 States that shift the error token do not have default reductions,
453 and GLR disables some default reductions, so "all" was a misnomer.
454 * doc/bison.texinfo (%define Summary): Update.
455 (Default Reductions): Update.
456 * src/print.c (print_reductions): Update.
457 * src/reader.c (prepare_percent_define_front_end_variables):
458 Update.
459 * src/tables.c (action_row): Update.
460 * tests/input.at (%define enum variables): Update.
461 * tests/reduce.at (%define lr.default-reductions): Update.
462
463 2011-03-06 Joel E. Denny <joeldenny@joeldenny.org>
464
465 doc: create a new Tuning LR section in the manual.
466 And clean up all other documentation of the features described
467 there.
468 * NEWS (2.5): Tweak wording of lr.type and parse.lac entries a
469 bit, update the cross-references to the manual, and point out that
470 LAC has caveats. Don't be so adamant that IELR+LAC=canonical LR.
471 That is, as the referenced section in the manual documents, LAC
472 does not fix infinite parsing loops on syntax errors.
473 * doc/bison.texinfo: Consistently drop the "(1)" suffix from LALR,
474 IELR, and LR in @cindex.
475 (%define Summary): Condense the entries for lr.default-reductions,
476 lr.keep-unreachable-states, lr.type, and parse.lac into brief
477 summaries, and cross-reference the appropriate subsections of
478 Tuning LR. For parse.lac, mention that it's only implemented for
479 deterministic parsers in C.
480 (Error Reporting): When mentioning %error-verbose, mention LAC,
481 and add cross-reference to the LAC section.
482 (Tuning LR): New section with an extended version of the
483 documentation removed from %define Summary. Change all
484 cross-references in the manual to point here instead of there.
485 (Calc++ Parser): When mentioning %error-verbose, mention LAC, and
486 add cross-reference to the LAC section.
487 (Table of Symbols): In %error-verbose and YYERROR_VERBOSE entries,
488 add cross-references to Error Reporting.
489 (Glossary): Capitalize entry titles consistently. Add definitions
490 for "defaulted state" and "unreachable state". Expand IELR
491 acronym in IELR's entry.
492
493 2011-02-20 Joel E. Denny <joeldenny@joeldenny.org>
494
495 doc: add bibliography to manual.
496 * doc/bison.texinfo (Mystery Conflicts): Cross-reference
497 bibliography instead of citing publications directly.
498 (Generalized LR Parsing): Likewise.
499 (Bibliography): New section. Not all entries are cross-referenced
500 yet, but that will come in future patches.
501
502 2011-02-19 Joel E. Denny <joeldenny@joeldenny.org>
503
504 java: test and document previous bug fix.
505 * NEWS (2.5): Document it.
506 * tests/java.at (_AT_DATA_JAVA_CALC_Y): To one of the yyerror
507 invocations, pass a location that spans multiple tokens. Change
508 yyerror to report all of a location rather than just the begin
509 position. Extend yylex and Position to count tokens on a line.
510 Remove getHashCode as it's unused. Update all expected output.
511
512 2011-02-19 Bernd Kiefer <kiefer@dfki.de> (tiny change)
513
514 java: fix location handling bug.
515 Reported at
516 <http://lists.gnu.org/archive/html/bison-patches/2011-02/msg00005.html>.
517 * data/lalr1.java (YYParser::yylloc): For non-empty RHS, fix
518 reversed access to location stack.
519 * THANKS (Bernd Kiefer): Add.
520
521 2010-05-11 Akim Demaille <demaille@gostai.com>
522
523 doc: please Emacs.
524 * doc/bison.texinfo (Local Variables): Move this after the
525 LocalWords, since the latter are looked for in the whole document,
526 while the former are looked for only at its end.
527 Require american spell checking.
528
529 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
530
531 doc: clean up new subsections in manual.
532 * doc/bison.texinfo (%define Summary): Reword so it reads well as
533 a separate section. For example, add an intro, and move most of
534 the text outside of the @deffn so it is not indented so far.
535 (%code Summary): Likewise.
536 (Table of Symbols): Reword %code entry to match the %code entry in
537 Decl Summary.
538
539 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
540
541 doc: finish splitting apart the manual's Decl Summary section.
542 Suggested by Akim Demaille at
543 <http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00013.html>.
544 * doc/bison.texinfo (Decl Summary): Extract most of the %define
545 entry into...
546 (%define Summary): ... this new subsection, and update all
547 cross-references. For readability of the patches, rewriting of
548 the text so it makes sense as a separate subsection will come in a
549 later patch. Moreover, the majority of the text describing the
550 various new LR features should likely move to another new section
551 somewhere.
552
553 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
554
555 doc: begin to split apart the manual's Decl Summary section.
556 Discussed in thread starting at
557 <http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00013.html>.
558 * doc/bison.texinfo (Decl Summary): Extract most of the %code
559 entry into...
560 (%code Summary): ... this new subsection, and update all
561 cross-references. For readability of the patches, rewriting of
562 the text so it makes sense as a separate subsection will come in a
563 later patch.
564
565 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
566
567 doc: clean up naming of various Bison files.
568 The Bison manual's names for various files associated with a Bison
569 parser has devolved into inconsistency. This patch makes the
570 naming consistent for the most important files. First, it chooses
571 "grammar file" over "input file". The former appears to be more
572 traditional in the Bison manual, and Bison has other input
573 files (skeletons). Second, it chooses "parser implementation
574 file" over names like "parser file", "parser source file", "parser
575 source code file", and "parser output file". The new name makes
576 it clearer where Bison generates the main parser implementation,
577 and it is easily distinguishable from "parser header file".
578 * doc/bison.texinfo: Implement throughout.
579
580 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
581
582 doc: give credit to more of Bison's developers.
583 * doc/bison.texinfo (Introduction): Don't imply that only Robert
584 Corbett, Richard Stallman, and Wilfred Hansen have contributed to
585 Bison. However, I don't have time to write a full history, so
586 just point readers to THANKS and ChangeLog.
587
588 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
589
590 doc: document experimental features better.
591 * doc/bison.texinfo (Introduction): Say that IELR(1) and canonical
592 LR(1) are experimental. Mention Java. Normally experimental
593 features probably shouldn't be mentioned in the introduction.
594 However, if Bison's limitations to LALR(1), C, and C++ are so
595 important that they should be mentioned here, then it's important
596 to point out that Bison is beginning to escape those limitations.
597 Moreover, these particular experimental features have very little
598 chance of being removed.
599 * src/getargs.c (usage): Say that IELR(1) and canonical LR(1) are
600 experimental.
601
602 2011-01-29 Joel E. Denny <joeldenny@joeldenny.org>
603
604 Do not allow identifiers that start with a dash.
605 This cleans up our previous fixes for a bug whereby Bison
606 discarded `.field' in `$-1.field'. The previous fixes were less
607 restrictive about where a dash could appear in an identifier, but
608 the restrictions were hard to explain. That bug was reported and
609 this final fix was originally suggested by Paul Hilfinger. This
610 also fixes a remaining bug reported by Paul Eggert whereby Bison
611 parses `%token ID -123' as `%token ID - 123' and handles `-' as an
612 identifier. Now, `-' cannot be an identifier. Discussed in
613 threads beginning at
614 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>,
615 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00004.html>.
616 * NEWS (2.5): Update entry describing the dash extension to
617 grammar symbol names. Also, move that entry before the named
618 references entry because the latter mentions the former.
619 * doc/bison.texinfo (Symbol): Update documentation for symbol
620 names. As suggested by Paul Eggert, mention the effect of periods
621 and dashes on named references.
622 (Decl Summary): Update documentation for unquoted %define values,
623 which, as a side effect, can no longer start with dashes either.
624 * src/scan-code.l (id): Implement.
625 * src/scan-gram.l (id): Implement.
626 * tests/actions.at (Exotic Dollars): Extend test group to exercise
627 bug reported by Paul Hilfinger.
628 * tests/input.at (Symbols): Update test group, and extend to
629 exercise bug reported by Paul Eggert.
630 * tests/named-refs.at (Stray symbols in brackets): Update test
631 group.
632 ($ or @ followed by . or -): Likewise.
633 * tests/regression.at (Invalid inputs): Likewise.
634
635 2011-01-24 Joel E. Denny <joeldenny@joeldenny.org>
636
637 * data/yacc.c: Fix last apostrophe warning from xgettext.
638
639 2011-01-09 Paul Eggert <eggert@cs.ucla.edu>
640
641 Fix minor problems encountered by a fresh bootstrap.
642 * data/glr.c, data/yacc.c: Do not use apostrophes in '#' comments,
643 as they confuse xgettext, which tries to parse them as C character
644 constants in a preprocessor directive.
645 * data/yacc.c (yy_lac): Don't use printf %d format on *yyesp, as
646 that expression might not promote to int on some platforms.
647 * src/parse-gram.c, src/parse-gram.h: Regenerate.
648
649 2011-01-09 Joel E. Denny <joeldenny@joeldenny.org>
650
651 Improve error messages for `$' or `@' followed by `.' or `-'.
652 Previously, for this special case of an invalid reference, the
653 usual "symbol not found in production:" was printed. However,
654 because the symbol name was parsed as the empty string, that
655 message was followed immediately by a newline instead of a symbol
656 name. In reality, this is a syntax error, so the reference is
657 invalid regardless of the symbols actually appearing in the
658 production. Discussed at
659 <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00012.html>.
660 * src/scan-code.l (parse_ref): Report the above case as a syntax
661 error. Other than that, continue to handle this case like any
662 other invalid reference that Bison manages to parse because
663 "possibly meant" messages can still be helpful to the user.
664 * tests/named-refs.at ($ or @ followed by . or -): New test group.
665
666 2011-01-08 Joel E. Denny <joeldenny@joeldenny.org>
667
668 doc: don't use @acronym.
669 Lately, many GNU packages are dropping it. See
670 <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00003.html>.
671 * doc/bison.texinfo: Remove all uses.
672
673 2011-01-05 Alex Rozenman <rozenman@gmail.com>
674
675 Do not allow identifiers that start with a negative number.
676 Reported by Paul Hilfinger as a side effect of named references
677 support at
678 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>.
679 Suggested by Paul Eggert.
680 * src/scan-code.l ({letter}, {id}): Adjust lexical definitions.
681 * src/scan-gram.l ({letter}, {id}): Likewise.
682
683 2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
684
685 * ChangeLog (2011-01-02): improve description.
686
687 2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
688
689 maint: don't update copyright years in bootstrap.
690 * .x-update-copyright: Add entry for bootstrap.
691 * bootstrap: Remove 2011 from copyright years. The bootstrap
692 version we're currently using comes from an older version of
693 gnulib.
694 * bootstrap.conf (bootstrap_sync): Add comments explaining this
695 issue.
696
697 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
698
699 maint: run "make update-copyright".
700
701 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
702
703 maint: prepare to use year ranges in copyright notices.
704 * README (Copyright statements): New section explaining the range
705 notation. The GNU maintainers document requires this explanation:
706 <http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices>.
707 I copied our explanation from coreutils.
708 * build-aux/update-b4-copyright: Revert 2010-06-17 changes that
709 disabled Bison's automated use of ranges.
710 * cfg.mk (update-copyright-env): Likewise.
711
712 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
713
714 Correct my email address.
715 * ChangeLog: In all recent entries.
716 * THANKS (Joel E. Denny): Here.
717
718 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
719
720 doc: cleanup.
721 * NEWS (2.5): Try to sort entries according to how interesting
722 users might find them.
723
724 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
725
726 doc: cleanup.
727 * NEWS (2.5): Make some minor improvements to wording, and format
728 entries more consistently.
729 * doc/bison.texinfo (Language and Grammar): Point out that IELR
730 and canonical LR are experimental features.
731 (Decl Summary): In list of %define variables, make wording more
732 consistent. Improve discussion of using LALR for GLR.
733
734 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
735
736 parse.lac: document.
737 * NEWS (2.5): Add entry for LAC, and mention LAC in entry for
738 other corrections to verbose syntax error messages.
739 * doc/bison.texinfo (Decl Summary): Rewrite entries for
740 lr.default-reductions and lr.type to be clearer, to mention
741 %nonassoc's effect on canonical LR, and to mention LAC. Add entry
742 for parse.lac.
743 (Glossary): Add entry for LAC.
744
745 2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
746
747 parse.lac: implement exploratory stack reallocations.
748 * data/yacc.c: Rename %define variable parse.lac.es-capacity to
749 parse.lac.es-capacity-initial. Accept parse.lac.memory-trace
750 with values of "failures" (default) or "full".
751 (b4_declare_parser_state_variables): Add yyesa, yyes, and
752 yyes_capacity variables.
753 (YYSTACK_USE_ALLOCA): Ignore it if LAC requested.
754 (YYSTACK_ALLOC, YYSTACK_FREE, YYSTACK_ALLOC_MAXIMUM): Define if
755 LAC requested.
756 (YYCOPY_NEEDED): New cpp macro.
757 (YYCOPY): Define if LAC requested.
758 (yy_lac_stack_realloc): New function implementing stack
759 reallocations. Use YYMAXDEPTH for maximum stack size given that
760 the stack should never need to grow larger than the main state
761 stack needs to grow without LAC.
762 (YY_LAC_ESTABLISH): Update yy_lac invocation.
763 (yy_lac): Add arguments for exploratory stack memory data
764 recorded in the main parser. Invoke yy_lac_stack_realloc when
765 reallocation is necessary.
766 (yysyntax_error): Add the same new arguments and pass them to
767 yy_lac.
768 (yypstate_delete): Free yyes if necessary.
769 (yyesa, yyes, yyes_capacity): #define these to yypstate members
770 in the case of push parsing.
771 (yyparse, yypush_parse): Initialize yyes and yyes_capacity.
772 Update yysyntax_error invocations. At yyreturn, free yyes if
773 necessary.
774 * src/parse-gram.y: %define parse.lac full.
775 * tests/input.at (LAC: errors for %define): Extend for
776 parse.lac-memory-trace.
777 * tests/regression.at (LAC: Exploratory stack): Extend to check
778 that stack reallocs happen when expected.
779 (LAC: Memory exhaustion): Update to use YYMAXDEPTH and
780 parse.lac.es-capacity-initial.
781
782 2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
783
784 parse.lac: implement as %define variable.
785 LAC = lookahead correction. See discussion at
786 <http://lists.gnu.org/archive/html/bison-patches/2009-09/msg00034.html>.
787 However, one point there must be corrected: because of %nonassoc,
788 LAC is *not* always redundant for lr.type=canonical-lr.
789 * data/yacc.c: Accept values of "none" (default) or "full" for
790 parse.lac. Accept %define parse.lac.es-capacity to specify
791 capacity of LAC's temporary exploratory stack. It defaults to 20
792 and, for now, will not grow dynamically.
793 (b4_lac_flag, b4_lac_if): New m4 macros. Evaluate as true for
794 parse.lac!=none.
795 (YYBACKUP): Invoke YY_LAC_DISCARD.
796 (YY_LAC_ESTABLISH, YY_LAC_DISCARD): New cpp macros that invoke
797 yy_lac and track when it needs to be invoked
798 (yy_lac): New function that, given the current stack, determines
799 whether a token can eventually be shifted. Return status mimics
800 yyparse return status.
801 (yysyntax_error): Change yystate argument to yyssp so stack top
802 can be passed to yy_lac. If LAC is requested, build expected
803 token list by invoking yy_lac for every token instead of just
804 checking the current state for lookaheads. Return 2 if yy_lac
805 exhausts memory.
806 (yyparse, yypush_parse): Use local variable yy_lac_established and
807 cpp macros YY_LAC_ESTABLISH and YY_LAC_DISCARD to implement LAC.
808 Update yysyntax_error invocation. Add yyexhaustedlab code if LAC
809 is requested.
810 * tests/conflicts.at (%nonassoc and eof): Extend to check the
811 effect of each of -Dlr.type=canonical-lr and -Dparse.lac=full.
812 (%error-verbose and consistent errors): Likewise.
813 (LAC: %nonassoc requires splitting canonical LR states): New test
814 group demonstrating how LAC can fix canonical LR.
815 * tests/input.at (LAC: Errors for %define): New test group.
816 * tests/regression.at (LAC: Exploratory stack): New test group.
817 (LAC: Memory exhaustion): New test group.
818
819 2010-11-21 Joel E. Denny <joeldenny@joeldenny.org>
820
821 build: use gnulib's new bootstrap_sync option.
822 Now, whenever we update bison's copy of gnulib, bootstrap will
823 update itself the next time it's run.
824 * bootstrap: Copy from latest gnulib for bootstrap_sync support.
825 * bootstrap.conf (bootstrap_sync): Set to true.
826 * gnulib: Update to latest so bootstrap is in sync now.
827
828 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
829
830 yysyntax_error: adjust prior fixes for branch-2.5's lalr1.cc.
831 On master, there is no yychar in lalr1.cc, but there is on
832 branch-2.5, and the prior cherry-pick of "Fix handling of yychar
833 manipulation in user semantic actions" wasn't adjusted for that
834 difference.
835 * data/lalr1.cc (yy::parser::parse): Translate yychar before
836 every use of yytoken, and add comments explaining this approach.
837 * tests/conflicts.at (%error-verbose and consistent errors):
838 Extend to test yychar manipulation with lalr1.cc.
839
840 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
841
842 yysyntax_error: fix for consistent error with lookahead.
843 * NEWS (2.5): Document.
844 * data/yacc.c (yysyntax_error): In a verbose syntax error
845 message while in a consistent state with a default action (which
846 must be an error action given that yysyntax_error is being
847 invoked), continue to drop the expected token list, but don't
848 drop the unexpected token unless there actually is no lookahead.
849 Moreover, handle that internally instead of returning 1 to tell
850 the caller to do it. With that meaning of 1 gone, renumber
851 return codes more usefully.
852 (yyparse, yypush_parse): Update yysyntax_error usage. Most
853 importantly, set yytoken to YYEMPTY when there's no lookahead.
854 * data/glr.c (yyreportSyntaxError): As in yacc.c, don't drop the
855 unexpected token unless there actually is no lookahead.
856 * data/lalr1.cc (yy::parser::parse): If there's no lookahead,
857 set yytoken to yyempty_ before invoking yysyntax_error_.
858 (yy::parser::yysyntax_error_): Again, don't drop the unexpected
859 token unless there actually is no lookahead.
860 * data/lalr1.java (YYParser::parse): If there's no lookahead,
861 set yytoken to yyempty_ before invoking yysyntax_error.
862 (YYParser::yysyntax_error): Again, don't drop the unexpected
863 token unless there actually is no lookahead.
864 * tests/conflicts.at (%error-verbose and consistent
865 errors): Extend test group to further reveal how the previous
866 use of the simple "syntax error" message was too general. Test
867 yacc.c, glr.c, lalr1.cc, and lalr1.java. No longer an expected
868 failure.
869 * tests/java.at (AT_JAVA_COMPILE, AT_JAVA_PARSER_CHECK): Move
870 to...
871 * tests/local.at: ... here.
872 (_AT_BISON_OPTION_PUSHDEFS): Push AT_SKEL_JAVA_IF definition.
873 (AT_BISON_OPTION_POPDEFS): Pop it.
874 (AT_FULL_COMPILE): Extend to handle Java.
875
876 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
877
878 yysyntax_error: more preparation for readability of next patch.
879 There are no behavioral changes here.
880 * data/glr.c (yyreportSyntaxError): Reorganize.
881 * data/lalr1.cc (yy::parser::yysyntax_error_): Reorganize.
882 * tests/conflicts.at (%error-verbose and consistent errors):
883 Reorganize.
884
885 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
886
887 yysyntax_error: prepare for readability of next patches.
888 These are purely whitespace changes that result in ugly code
889 but that make the next couple of patches much easier to read.
890 * data/glr.c (yyreportSyntaxError): Reindent.
891 * data/lalr1.cc (yy::parser::yysyntax_error_): Reindent.
892 * data/lalr1.java (YYParser::yysyntax_error): Reindent.
893 * data/yacc.c (yysyntax_error): Reindent.
894
895 2010-10-31 Joel E. Denny <joeldenny@joeldenny.org>
896
897 yysyntax_error: improve invocation readability.
898 * data/yacc.c (yyparse, yypush_parse): For yysyntax_error
899 invocation, get rid of the while loop, which is misleading
900 because there are really at most two iterations.
901
902 2010-10-31 Joel E. Denny <joeldenny@joeldenny.org>
903
904 * ChangeLog: Correct some errors in previous entries.
905
906 2010-10-17 Joel E. Denny <joeldenny@joeldenny.org>
907
908 maint: re-anchor all .gitignore entries.
909 * bootstrap: Copy from gnulib's latest for the fix to
910 automatically anchor entries it constructs.
911 * gnulib: Update to latest just so it has the same bootstrap.
912 * .gitignore, build-aux/.gitignore, doc/.gitignore:
913 * lib/.gitignore, m4/.gitignore, po/.gitignore:
914 * runtime-po/.gitignore: Re-anchor all entries.
915
916 2010-10-08 Paul Eggert <eggert@cs.ucla.edu>
917
918 Fix portability problem on OpenBSD 4.7.
919
920 Jim Meyering reported this in
921 <http://lists.gnu.org/archive/html/bug-bison/2010-10/msg00007.html>.
922 * data/yacc.c: Use EXIT_SUCCESS as a witness for stdlib.h,
923 not _STDLIB_H. EXIT_SUCCESS has been defined by the standard
924 for quite some time.
925 * src/parse-gram.c, src/parse-gram.h: Regenerate.
926 * tests/regression.at: Tamper with the renamed witness.
927
928 Adjust to recent changes to gnulib bootstrap.
929
930 * .cvsignore, build-aux/.cvsignore, doc/.cvsignore, etc/.cvsignore:
931 * examples/calc++/.cvsignore, lib/.cvsignore, m4/.cvsignore:
932 * po/.cvsignore, runtime-po/.cvsignore, src/.cvsignore:
933 * tests/.cvsignore: Remove; I don't use CVS to maintain Bison
934 anymore and don't know of anybody else who does. If someone needs
935 these files, they can resurrect them.
936 * .gitignore, build-aux/.gitignore, doc/.gitignore, lib/.gitignore:
937 * m4/.gitignore, po/.gitignore, runtime-po/.gitignore:
938 Omit leading '/', since bootstrap omits it.
939 Adjust file names to match current contents better.
940 * bootstrap: Sync from gnulib: this contains the new gnulib_mk_hook
941 installed just for us.
942 * bootstrap.conf (excluded_files): Don't exclude codeset.m4,
943 glibc21.m4, inttypes_h.m4, size_max.m4, xsize.m4, as they are now
944 needed somehow. Don't have time to look into why.
945 (gnulib_modules): Change malloc to malloc-gnu. Do we really assume
946 the GNU malloc behavior, where malloc (0) != NULL unless we're
947 out of storage? If not, we can omit malloc-gnu; but for now I left
948 it in to be safe.
949 (vc_ignore): Remove.
950 * README-hacking: Renamed from HACKING, since gnulib bootstrap now
951 uses that convention.
952
953 2010-08-05 Joel E. Denny <joeldenny@joeldenny.org>
954
955 Version 2.4.3.
956 * NEWS (2.4.3): Set date.
957
958 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
959
960 maint: add gettext version to release announcements.
961 Suggested by Paul Hilfinger at
962 <http://lists.gnu.org/archive/html/bison-patches/2010-07/msg00019.html>
963 <http://lists.gnu.org/archive/html/bison-patches/2010-08/msg00002.html>.
964 * cfg.mk (bootstrap-tools): Add gettext.
965
966 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
967
968 doc: fix -W and %expect documentation some.
969 * NEWS (2.4.3): Mention that there are documentation fixes.
970 * doc/bison.texinfo (Expect Decl): Make it clear that %expect
971 turns conflicts into errors not warnings.
972 (Shift/Reduce): Likewise.
973 (Bison Options): Don't mention -Wsyntax. It doesn't exist.
974
975 2010-08-01 Joel E. Denny <joeldenny@joeldenny.org>
976
977 -Werror: fix for rules useless in parser after conflicts.
978 * NEWS (2.4.3): Document fix.
979 * src/complain.c (error_message): Extend to handle incomplete
980 error messages so warn and warn_at can be used in more cases.
981 * src/gram.c (grammar_rules_useless_report): Use warn_at so that
982 -Werror is always obeyed.
983 * src/reduce.c (reduce_print): Use warn so that the "warnings
984 being treated as errors" message is printed consistently before
985 the first warning message. This makes testing easier.
986 * tests/local.at (AT_BISON_WERROR_MSG): New macro.
987 (AT_BISON_CHECK_NO_XML): Extend to check -Werror and
988 --warnings=error when warnings appear in bison's stderr.
989
990 2010-07-29 Joel E. Denny <joeldenny@joeldenny.org>
991
992 maint: enable gnits only at stable releases.
993 * configure.ac (AM_INIT_AUTOMAKE): Underscore or dash in a
994 version string should disable gnits. Explain in comments.
995
996 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
997
998 i18n: update.
999 * po/POTFILES.in: Add src/graphviz.c.
1000
1001 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
1002
1003 i18n: fix for gnulib.
1004 * po/POTFILES.in: Add remaining gnulib files that have
1005 translatable strings.
1006
1007 2010-07-25 Joel E. Denny <joeldenny@joeldenny.org>
1008
1009 maint: use announce-gen's new --mail-headers.
1010 * HACKING (Announce): Update instructions.
1011 * cfg.mk (announcement_Cc_): Define.
1012 * configure.ac (AM_GNU_GETTEXT_VERSION): Update to 0.18 as
1013 required by latest gnulib.
1014 * gnulib: Update to latest.
1015
1016 2010-07-24 Joel E. Denny <joeldenny@joeldenny.org>
1017
1018 tests: handle Valgrind that complains about >&-.
1019 * tests/output.at (AT_CHECK_OUTPUT): Extend to accept pre-tests.
1020 (Output files: -dv >&-): Skip test group if running
1021 maintainer-check-valgrind.
1022
1023 2010-06-17 Paul Eggert <eggert@cs.ucla.edu>
1024
1025 Update from GFDL GFDL 1.2 to 1.3.
1026 * doc/bison.texinfo: Update GFDL version number.
1027 * doc/fdl.texi: Update to version 1.3, taken from:
1028 http://www.gnu.org/licenses/fdl.texi
1029
1030 2010-06-17 Paul Eggert <eggert@cs.ucla.edu>
1031
1032 Do not use date ranges in copyright notices.
1033 See http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices
1034
1035 * HACKING, Makefile.am, NEWS, PACKAGING, README, README-alpha:
1036 * TODO, bootstrap, bootstrap.conf:
1037 * build-aux/update-b4-copyright, cfg.mk, configure.ac:
1038 * data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4:
1039 * data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc:
1040 * data/java-skel.m4, data/java.m4, data/lalr1.cc:
1041 * data/lalr1.java, data/location.cc:
1042 * data/xslt/bison.xsl:
1043 * data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl:
1044 * data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint:
1045 * djgpp/README.in, djgpp/config.bat, djgpp/config.sed:
1046 * djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat:
1047 * djgpp/subpipe.c, djgpp/subpipe.h:
1048 * djgpp/testsuite.sed, doc/bison.texinfo:
1049 * doc/refcard.tex, etc/README, etc/bench.pl.in:
1050 * examples/calc++/Makefile.am, examples/extexi:
1051 * lib/abitset.c, lib/abitset.h:
1052 * lib/bbitset.h, lib/bitset.c, lib/bitset.h:
1053 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
1054 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
1055 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
1056 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
1057 * lib/libiberty.h, lib/main.c, lib/timevar.c:
1058 * lib/timevar.def, lib/timevar.h, lib/vbitset.c:
1059 * lib/vbitset.h, lib/yyerror.c, m4/bison-i18n.m4:
1060 * m4/c-working.m4, m4/cxx.m4, m4/subpipe.m4, m4/timevar.m4:
1061 * src/AnnotationList.c, src/AnnotationList.h:
1062 * src/InadequacyList.c, src/InadequacyList.h, src/LR0.c:
1063 * src/LR0.h, src/Sbitset.c, src/Sbitset.h, src/assoc.c:
1064 * src/assoc.h, src/closure.c, src/closure.h, src/complain.c:
1065 * src/complain.h, src/conflicts.c, src/conflicts.h:
1066 * src/derives.c, src/derives.h, src/files.c, src/files.h:
1067 * src/flex-scanner.h, src/getargs.c, src/getargs.h:
1068 * src/gram.c, src/gram.h, src/graphviz.c, src/ielr.c:
1069 * src/ielr.h, src/lalr.c, src/lalr.h:
1070 * src/location.c, src/location.h, src/main.c:
1071 * src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c:
1072 * src/named-ref.h, src/nullable.c, src/nullable.h:
1073 * src/output.c, src/output.h, src/parse-gram.y:
1074 * src/print-xml.c, src/print-xml.h, src/print.c, src/print.h:
1075 * src/print_graph.c, src/print_graph.h, src/reader.c:
1076 * src/reader.h, src/reduce.c, src/reduce.h, src/relation.c:
1077 * src/relation.h, src/scan-code.h, src/scan-code.l:
1078 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
1079 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
1080 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
1081 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
1082 * tests/actions.at, tests/atlocal.in, tests/c++.at:
1083 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
1084 * tests/existing.at, tests/glr-regression.at:
1085 * tests/headers.at, tests/input.at, tests/java.at:
1086 * tests/local.at, tests/named-refs.at:
1087 * tests/output.at, tests/push.at, tests/reduce.at:
1088 * tests/regression.at, tests/sets.at, tests/skeletons.at:
1089 * tests/synclines.at, tests/testsuite.at, tests/torture.at:
1090 * data/Makefile.am, data/location.cc, doc/Makefile.am, src/Makefile.am:
1091 * tests/Makefile.am, lib/Makefile.am, examples/Makefile.am:
1092 * etc/Makefile.am:
1093 Don't use date ranges in copyright notices.
1094
1095 2010-05-11 Akim Demaille <demaille@gostai.com>
1096
1097 lalrl1.cc: give a chance to user defined YYLLOC_DEFAULT.
1098 * data/lalr1.cc (YYLLOC_DEFAULT): Move its definition from the
1099 header file to the implementation file, after the user %code
1100 sections.
1101 * NEWS (2.5): Document this.
1102
1103 2010-05-07 Akim Demaille <demaille@gostai.com>
1104
1105 c++: use YYRHSLOC.
1106 * data/lalr1.cc (YYRHSLOC): New.
1107 (YYLLOC_DEFAULT): Use it.
1108 * data/glr.cc: If location_type was user defined, do not include
1109 location.hh, and do not produce location.hh and position.hh.
1110 * tests/calc.at (YYLLOC_DEFAULT): Use YYRHSLOC.
1111 Check that glr.cc supports user defined location_type.
1112 * NEWS: Document this.
1113
1114 2010-05-10 Akim Demaille <demaille@gostai.com>
1115
1116 doc: fix lalr1.cc documentation.
1117 * doc/bison.texinfo (C++ Scanner Interface): Fix yylex signature.
1118 (C++ Bison Interface): Fix lalr1.cc skeleton name.
1119 (C++ Parser Interface): Fix semantic_type and location_type names.
1120 Document yy::parser::token.
1121 Reported by Jerry Quinn.
1122
1123 2010-05-04 Akim Demaille <demaille@gostai.com>
1124
1125 lalr1.cc: don't generate location.hh when location_type is defined
1126 * data/bison.m4 (b4_percent_define_use): New.
1127 (b4_percent_define_get): Use it.
1128 Accept a default value.
1129 * data/c++.m4: Do not provide a default value for the %define
1130 variable location_type, rather, use b4_percent_define_get with a
1131 default argument where its value is needed.
1132 * data/lalr1.cc: Do not load location.cc (which outputs both
1133 location.hh and position.hh) if the user defined location_type.
1134 Do not include location.hh either.
1135 * data/glr.cc: Likewise.
1136
1137 2010-05-04 Akim Demaille <demaille@gostai.com>
1138
1139 lalr1.cc: location_type: make sure we don't depend on loc.(begin|end).
1140 * tests/calc.at (Span): Instead of begin/end, as in the built-in
1141 location class, use first and last.
1142 Define YYLLOC_DEFAULT to adjust to these changes.
1143 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Adjust to the
1144 location_type changes.
1145
1146 2010-05-04 Akim Demaille <demaille@gostai.com>
1147
1148 tests: enhance AT_SYNCLINES_COMPILE.
1149 * tests/synclines.at (AT_TEST_SYNCLINE): Move GCC 4.5 protection
1150 into...
1151 (AT_SYNCLINES_COMPILE): here.
1152 Add more distcc patterns.
1153
1154 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
1155
1156 tests: fix maintainer-xml-check.
1157 * data/xslt/xml2dot.xsl (xsl:template match="bison-xml-report"):
1158 Update output to include comments now produced by --graph.
1159 (xsl:template match="automaton"): As for --graph, name the
1160 digraph after the grammar file.
1161 * src/print-xml.c (escape_bufs): Enlarge array.
1162 (print_xml): Add bug-report and url attributes to
1163 bison-xml-report element.
1164
1165 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
1166
1167 In DOT output, convert from "/*" comments to "//" comments.
1168 This handles the possibility that a "*/" might appear in
1169 variable portions of those comments at some point in the future.
1170 * src/graphviz.c (start_graph): Implement.
1171
1172 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
1173
1174 Document that undefined %prec identifier warnings will remain.
1175 * NEWS (2.4.3): Here.
1176 (2.4.2): Here.
1177
1178 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
1179
1180 Revert 2009-12-30 change for undefined %prec token complaints.
1181 That is, keep them as warnings because that should be sufficient
1182 to satisfy POSIX without creating backward compatibility issues.
1183 Suggested by Richard Stallman at
1184 <http://lists.gnu.org/archive/html/bison-patches/2010-03/msg00033.html>.
1185 * NEWS (2.5): Remove mention of complaint.
1186 * src/reader.c (grammar_rule_check): Convert complaint back to
1187 warning.
1188 * tests/input.at (%prec's token must be defined): Update.
1189
1190 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
1191
1192 build: don't require src/bison during bootstrap.
1193 Suggested by Eric Blake at
1194 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00003.html>.
1195 * bootstrap.conf (bootstrap_epilogue): New function to make sure
1196 src/parse-gram.[ch] are stamped later than src/parse-gram.y.
1197
1198 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
1199
1200 i18n: fix untranslatable string.
1201 Reported by Goran Uddeborg at
1202 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00000.html>.
1203 * src/muscle-tab.c (muscle_percent_define_insert): Here.
1204
1205 2010-04-13 Akim Demaille <demaille@gostai.com>
1206
1207 tests: calc: minor refactoring.
1208 * tests/calc.at (_AT_DATA_CALC_Y): Simplify yylex.
1209
1210 2010-04-13 Akim Demaille <demaille@gostai.com>
1211
1212 tests: calc: simplify location management.
1213 * tests/local.at (AT_LOC_PUSHDEF, AT_LOC_POPDEF): New.
1214 (_AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS): Use them to
1215 define the appropriate AT_LOC accessors.
1216 * tests/calc.at: Use AT_LOC accessors.
1217
1218 2010-04-13 Akim Demaille <demaille@gostai.com>
1219
1220 test location_type.
1221 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS):
1222 Define AT_LOCATION_TYPE_IF.
1223 (_AT_BISON_OPTION_POPDEFS): Undefine AT_LOCATION_TYPE_IF.
1224 * tests/calc.at (_AT_DATA_CALC_Y): When %define location_type is
1225 used, provide a user location type and use it.
1226 (Simple LALR1 C++ Calculator): Add a test case for location_type.
1227
1228 2010-04-13 Akim Demaille <demaille@gostai.com>
1229
1230 tests: check fclose's return value.
1231 * tests/calc.at (_AT_DATA_CALC_Y): Check fclose's return status.
1232
1233 2010-04-13 Akim Demaille <demaille@gostai.com>
1234
1235 tests: don't depend on the actual location type.
1236 * tests/calc.at: Use yy::parser::location_type rather than
1237 yy::location, since the former is always right, and might point to
1238 another type than the latter.
1239
1240 2010-04-13 Akim Demaille <demaille@gostai.com>
1241
1242 formatting changes.
1243 * tests/calc.at: Formatting changes.
1244
1245 2010-04-13 Akim Demaille <demaille@gostai.com>
1246
1247 lalr1.cc: remove useless forward declaration.
1248 * data/lalr1.cc: Include location.hh before stack.hh.
1249 Remove the useless forward declarations of position and location.
1250 Reported by Chris Morley.
1251 * data/glr.cc: Likewise.
1252
1253 2010-04-11 Joel E. Denny <joeldenny@joeldenny.org>
1254
1255 * NEWS (2.4.3): Mention fix for Sun Studio C++.
1256
1257 2010-04-10 Joel E. Denny <joeldenny@joeldenny.org>
1258
1259 tests: fix for newer Sun Studio C++.
1260 Reported by Dagobert Michelsen at
1261 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00023.html>.
1262 * THANKS (Dagobert Michelsen): Add.
1263 * configure.ac (AC_PREREQ): Set to 2.64 so we get the latest
1264 Autoconf macro for handling the restrict keyword.
1265 * gnulib: Update to latest, which no longer overrides that macro
1266 from Autoconf.
1267
1268 2010-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1269
1270 portability: fix pointer arithmetic to conform to C standard.
1271 Reported by Tys Lefering at
1272 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00035.html>.
1273 This fix is already implemented in glr.c and does not apply to
1274 lalr1.java.
1275 * data/lalr1.cc (yy::parser::parse): Increase size of
1276 yyerror_range and adjust subscripting so you don't have to
1277 subtract one from the beginning of the array.
1278 * data/yacc.c (b4_declare_parser_state_variables,
1279 yyparse, yypush_parse): Likewise.
1280
1281 2010-04-05 Akim Demaille <demaille@gostai.com>
1282
1283 remove useless include.
1284 * src/graphviz.h: Don't include stdbool.h.
1285
1286 2010-04-05 Akim Demaille <demaille@gostai.com>
1287
1288 graph: sign the output file.
1289 * src/graphviz.c (start_graph): Issue comments about Bison.
1290 Suggested by Tys Lefering.
1291
1292 2010-03-31 Joel E. Denny <jdenny@ces.clemson.edu>
1293
1294 portability: fix test suite for GCC 4.5's new #error message.
1295 Reported by Tys Lefering at
1296 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00030.html>.
1297 * NEWS (2.4.3): Mention.
1298 * tests/synclines.at (AT_TEST_SYNCLINE): Implement.
1299
1300 2010-03-30 Akim Demaille <demaille@gostai.com>
1301
1302 fix comments.
1303 * src/graphviz.h: Add missing license notice.
1304 Document.
1305
1306 2010-03-25 Akim Demaille <demaille@gostai.com>
1307
1308 tests: fix 250: parse.error=verbose overflow.
1309 * tests/regression.at (parse.error=verbose overflow): Avoid the
1310 double inclusion of stdlib.h as it triggers hard errors.
1311
1312 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
1313
1314 portability: fix for BSD make.
1315 Reported by Johan van Selst at
1316 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00016.html>.
1317 * tests/Makefile.am ($(TESTSUITE)): Qualify package.m4 in
1318 this dependency list as in package.m4's target rule.
1319
1320 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
1321
1322 portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.
1323 Reported by Johan van Selst at
1324 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00014.html>.
1325 * NEWS (2.4.3): New.
1326 * THANKS (Johan van Selst): Add.
1327 * gnulib: Update to latest.
1328
1329 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
1330
1331 maint: update for changes to gnulib's announce-gen.
1332 * HACKING (Announce): RELEASE_TYPE=major must now be written
1333 RELEASE_TYPE=stable.
1334
1335 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
1336
1337 Version 2.4.2.
1338 * NEWS (2.4.2): Set version and date. For the recent test suite
1339 portability fixes, don't be so optimistic about their success
1340 given the lack of feedback on the affected platforms.
1341
1342 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
1343
1344 tests: fix maintainer-xml-check for recent changes.
1345 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Use
1346 AT_BISON_CHECK_NO_XML rather than AT_BISON_CHECK because an
1347 output file whose name conflicts with a previous output file
1348 is now never generated.
1349
1350 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
1351
1352 portability: fix several issues with M4 subprocess.
1353
1354 M4's output pipe was not being drained upon fatal errors during
1355 scan_skel. As a result, broken-pipe messages from M4 were seen
1356 on at least AIX, HP-UX, Solaris, and RHEL4, and this caused a
1357 failure in the test suite. The problem was that, on platforms
1358 where the default disposition for SIGPIPE is ignore instead of
1359 terminate, M4 sometimes saw fwrite fail with errno=EPIPE and
1360 then reported it. However, there's some sort of race condition,
1361 because the new test group occasionally succeeded.
1362 Reported by Albert Chin at
1363 <http://lists.gnu.org/archive/html/bug-bison/2010-02/msg00004.html>.
1364
1365 There were also problems with the test suite livelocking on
1366 Tru64 5.1b. Reported by Didier Godefroy at
1367 <http://lists.gnu.org/archive/html/bug-bison/2009-05/msg00005.html>.
1368 Switching to create_pipe_bidi suggested by Akim Demaille.
1369
1370 To attempt to solve both of these problems, switch to gnulib's
1371 create_pipe_bidi and register M4 process as a slave. Along the
1372 way, clean up file name conflict handling, which was affected by
1373 the broken-pipe problem before the switch.
1374 * NEWS (2.4.2): Document.
1375 * THANKS (Didier Godefroy): Add.
1376 * bootstrap.conf (gnulib_modules): Add pipe.
1377 * gnulib: Update to latest to make sure we have all the latest
1378 fixes.
1379 * lib/Makefile.am (libbison_a_SOURCES): Remove subpipe.h and
1380 subpipe.c.
1381 * po/POTFILES.in (lib/subpipe.c): Remove.
1382 * src/files.c (compute_output_file_names): Update invocations
1383 of output_file_name_check.
1384 (output_file_name_check): In the case that the grammar file
1385 would be overwritten, use complain instead of fatal, but replace
1386 the output file name with /dev/null. Use the /dev/null solution
1387 for the case of two conflicting output files as well because it
1388 seems safer in case Bison one day tries to open both files at
1389 the same time.
1390 * src/files.h (output_file_name_check): Update prototype.
1391 * src/output.c (output_skeleton): Use create_pipe_bidi and
1392 wait_subprocess. Assert that scan_skel completely drains the
1393 pipe.
1394 * src/scan-skel.l (at_directive_perform): Update
1395 output_file_name_check invocation.
1396 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Check that the
1397 grammar file actually isn't overwritten.
1398 (Conflicting output files: -o foo.y): Update expected output.
1399 * tests/skeletons.at (Fatal errors but M4 continues producing
1400 output): New test group.
1401
1402 2010-02-04 Joel E. Denny <jdenny@ces.clemson.edu>
1403
1404 Update POTFILES.
1405 * HACKING (Release Procedure): Add reminder about keeping
1406 POTFILES files up-to-date.
1407 * po/POTFILES.in (src/muscle-tab.c, src/scan-skel.l): Add.
1408
1409 2010-02-01 Joel E. Denny <jdenny@clemson.edu>
1410
1411 Code cleanup.
1412 * tests/atlocal.in (abs_top_srcdir): Remove shell variable,
1413 which is already defined in atconfig.
1414
1415 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
1416
1417 * cfg.mk (gnulib_dir): Assume gnulib is a subdirectory.
1418
1419 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
1420
1421 maint: automate PACKAGE_COPYRIGHT_YEAR update, and update it.
1422 * HACKING (Release Procedure): Update notes on copyright years.
1423 * Makefile.am (update-package-copyright-year): New target rule.
1424 * build-aux/update-package-copyright-year: New file.
1425 * cfg.mk (update-copyright): Add update-package-copyright-year
1426 as a dependency.
1427
1428 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
1429
1430 * bootstrap: Import improvements from latest gnulib.
1431
1432 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
1433
1434 build: require Automake 1.11.1 to avoid a security flaw.
1435 * HACKING (Release Procedure): Don't document Automake security
1436 flaw here.
1437 * configure.ac (AM_INIT_AUTOMAKE): Require 1.11.1, and explain
1438 why here.
1439
1440 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
1441
1442 gnulib: update to latest.
1443
1444 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
1445
1446 ChangeLog (2006-09-15): add Odd Arild Olsen's role for push.c.
1447
1448 2010-01-15 Joel E. Denny <jdenny@clemson.edu>
1449
1450 Thank the developer of the initial push parser implementation.
1451 This unfortunate oversight is several years old.
1452 * THANKS (Odd Arild Olsen): Add.
1453
1454 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
1455
1456 Fix some comments concerning LR(0) versus LALR(1).
1457
1458 Stop equating LR(0) with nondeterminism and LALR(1) with
1459 determinism. That is, if all states are consistent, then LR(0)
1460 tables are deterministic. On the other hand, LALR(1) tables
1461 might be nondeterministic before conflict resolution, and GLR
1462 permits LALR(1) tables to remain nondeterministic.
1463 * src/LR0.c, src/LR0.h: Here.
1464 * src/lalr.c, src/lalr.h: Here.
1465 * src/main.c (main): Here.
1466 * src/state.c, src/state.h: Here.
1467
1468 * src/ielr.h (ielr): In preconditions, expect LR(0) not LALR(1)
1469 parser tables.
1470
1471 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
1472
1473 maint: run "make update-copyright"
1474
1475 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
1476
1477 POSIX: complain if %prec's token was not defined.
1478 * NEWS (2.5): Document.
1479 * src/reader.c (grammar_rule_check): Convert warning to
1480 complaint.
1481 * tests/input.at (%prec's token must be defined): Update.
1482
1483 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
1484
1485 POSIX: warn if %prec's token was not defined.
1486 Reported by Florian Krohm at
1487 <http://lists.gnu.org/archive/html/bug-bison/2009-12/msg00005.html>.
1488 * NEWS (2.4.2): Document.
1489 * src/reader.c (grammar_rule_check): Implement.
1490 (grammar_current_rule_prec_set): Add comments explaining that we
1491 here assume a %prec identifier is a token, but we still manage
1492 to support POSIX.
1493 * tests/input.at (%prec's token must be defined): New test
1494 group.
1495
1496 2009-12-31 Joel E. Denny <jdenny@clemson.edu>
1497
1498 * HACKING (Release Procedure): Recommend a secure automake.
1499
1500 2008-12-11 Akim Demaille <demaille@gostai.com>
1501
1502 Propagate i18n changes into glr.c.
1503 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
1504 building the error message format dynamically.
1505 * data/lalr1.java: Formatting changes.
1506
1507 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
1508
1509 Port small part of master's 11707b2b so future ports are easier.
1510 * data/lalr1.java (YYParser::yysyntax_error): Untabify.
1511
1512 2008-12-11 Akim Demaille <demaille@gostai.com>
1513
1514 Simplify the i18n of the error messages.
1515 * data/lalr1.cc: Comment changes.
1516
1517 2008-11-11 Akim Demaille <demaille@gostai.com>
1518
1519 Prefer M4 to CPP.
1520 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
1521 YYERROR_VERBOSE.
1522
1523 2008-11-11 Akim Demaille <demaille@gostai.com>
1524
1525 Support i18n of the parse error messages.
1526 * TODO (lalr1.cc/I18n): Remove.
1527 * data/lalr1.cc (yysyntax_error_): Support the translation of the
1528 error messages, as done in yacc.c.
1529 Stay within the yy* pseudo namespace.
1530
1531 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
1532
1533 Port small part of master's 8901f32e so future ports are easier.
1534 * data/lalr1.cc (yy::parser::yysyntax_error_): Always add second
1535 argument, but name it in the function definition only when
1536 verbose error messages are enabled and it'll thus be used.
1537 (yy::parser::parse): Update use of yysyntax_error_.
1538
1539 2009-12-29 Joel E. Denny <jdenny@clemson.edu>
1540
1541 portability: `<' and `>' are not always defined on addresses.
1542 Specifically, don't sort objects by their memory addresses when
1543 they're not allocated in the same array or other object. Though
1544 I haven't found a test case where that fails on my platform, C
1545 says the behavior is undefined.
1546 * src/AnnotationList.c (AnnotationList__insertInto): Remove
1547 FIXME. Use new id field of InadequacyList nodes rather than
1548 their memory addresses when sorting.
1549 (AnnotationList__compute_from_inadequacies): Add
1550 inadequacy_list_node_count argument to pass to
1551 InadequacyList__new_conflict.
1552 * src/AnnotationList.h
1553 (AnnotationList__compute_from_inadequacies): Update prototype
1554 and documentation for new argument.
1555 * src/InadequacyList.c (InadequacyList__new_conflict): Add
1556 node_count argument and use it to assign a unique ID.
1557 * src/InadequacyList.h (InadequacyListNodeCount): New typedef.
1558 (InadequacyList): Add id field.
1559 (InadequacyList__new_conflict): Update prototype and
1560 documentation for new argument.
1561 * src/ielr.c (ielr_compute_annotation_lists): Update
1562 AnnotationList__compute_from_inadequacies invocation.
1563
1564 2009-12-20 Joel E. Denny <jdenny@clemson.edu>
1565
1566 Fix handling of yychar manipulation in user semantic actions.
1567 The problem was that yacc.c didn't always update the yychar
1568 translation afterwards. However, other skeletons appear to be
1569 fine. glr.c appears to already translate yychar before every
1570 use. lalr1.cc does not define yychar and does not document its
1571 replacement, yyla, for users. It does provide yyclearin, but
1572 that does not manipulate yyla and thus requires no translation
1573 update. In lalr1.java, yychar is out of scope during semantic
1574 actions.
1575 * NEWS (2.5): Document.
1576 * data/yacc.c (YYBACKUP): Don't bother translating yychar into
1577 yytoken here.
1578 (yyparse, yypush_parse): Instead, translate before every use of
1579 yytoken, and add comments explaining this approach.
1580 * tests/actions.at (Destroying lookahead assigned by semantic
1581 action): New test group checking that translation happens before
1582 lookahead destructor calls at parser return. Previously,
1583 incorrect destructors were called.
1584 * tests/conflicts.at (%error-verbose and consistent
1585 errors): New test group checking that translation happens at
1586 syntax error detection before the associated verbose error
1587 message and the associated lookahead destructor calls. While
1588 the destructor call is fixed by this patch, the verbose error
1589 message is currently incorrect due to another bug (see
1590 comments in test group), so this is an expected failure for now.
1591
1592 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
1593
1594 YYFAIL: warn about uses and remove from lalr1.java.
1595 * NEWS (2.5): Document.
1596 * data/lalr1.java (YYParser::YYFAIL): Rename to YYERRLAB,
1597 and make it private. Update all uses.
1598 * src/scan-code.l (SC_RULE_ACTION): Implement warning.
1599
1600 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
1601
1602 YYFAIL: deprecate.
1603 * NEWS (2.4.2): Document deprecation and the phase-out plan.
1604 * data/lalr1.java (YYParser::YYFAIL): Add comment about
1605 deprecation.
1606 * data/yacc.c (YYFAIL): Likewise, and suppress warnings about
1607 YYFAIL from GCC cpp's -Wunused-macros.
1608 * doc/bison.texinfo (Java Action Features): Remove YYFAIL
1609 documentation.
1610 (LocalWords): Remove YYFAIL.
1611
1612 2009-12-17 Joel E. Denny <jdenny@clemson.edu>
1613
1614 Code cleanup.
1615 * src/symtab.c, src/symtab.h (symbol_class_get_string): Remove
1616 function, which is no longer used.
1617
1618 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1619
1620 Add gcc's -Wundef to test suite and fix another warning from it.
1621 * NEWS (2.4.2): Update description of -Wundef fix.
1622 * configure.ac (WARN_CXXFLAGS_TEST): New substitution.
1623 (WARN_CFLAGS_TEST): New substitution.
1624 * data/glr.c: Avoid warning about __STRICT_ANSI__.
1625 * tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of
1626 WARN_CFLAGS.
1627 (NO_WERROR_CFLAGS): Likewise.
1628 (CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS.
1629
1630 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1631
1632 * data/yacc.c: Reformat m4 a little.
1633
1634 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1635
1636 Document gcc -Wundef fix.
1637 * NEWS (2.4.2): Here.
1638 * THANKS (Jonathan Nieder): Add.
1639
1640 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
1641
1642 Simplify y.tab.c when location tracking is disabled.
1643 * data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
1644 tracking is not enabled. Instead, unconditionally define
1645 YY_LOCATION_PRINT as a no-op for backward compatibility.
1646
1647 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
1648
1649 Avoid warnings from gcc -Wundef y.tab.c.
1650 * data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are
1651 defined before using them.
1652 * data/lalr1.cc: Likewise.
1653 * data/yacc.c: Likewise.
1654
1655 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
1656
1657 autoconf: update to latest for fix of M4 detection.
1658 Reported by Eric Blake.
1659 * submodules/autoconf: Update.
1660
1661 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
1662
1663 portability: use -DGNULIB_POSIXCHECK.
1664 Reported by Eric Blake. See discussions at
1665 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00008.html>
1666 and
1667 <http://lists.gnu.org/archive/html/bug-gnulib/2009-10/msg00108.html>.
1668 * HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK.
1669 * bootstrap.conf (gnulib_modules): Add all the printf modules
1670 suggested by -DGNULIB_POSIXCHECK. Add realloc-posix as
1671 suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c.
1672 (excluded_files): Remove m4/printf-posix.m4.
1673 * tests/atlocal.in (LIBS): As for LDADD in src/local.mk, add
1674 lib/libbison.a so gnulib libraries can be linked.
1675
1676 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
1677
1678 Enable assertion output and --disable-assert for configure.
1679 * bootstrap.conf (gnulib_modules): Add assert module.
1680 * src/system.h (aver): Define as assert, and summarize the
1681 discussion on this issue.
1682
1683 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
1684
1685 Expand GLR acronym in summary of Bison.
1686 Based on discussion with Akim Demaille starting at
1687 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00087.html>.
1688 * doc/bison.texinfo (Introduction): Here.
1689 * src/getargs.c (usage): Here.
1690
1691 2009-10-03 Alex Rozenman <rozenman@gmail.com>
1692
1693 Document named references.
1694 * doc/bison.texinfo (Actions): Add new example and xref to
1695 Using Named References node.
1696 (Using Named References): New node.
1697
1698 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
1699
1700 cleanup.
1701 * src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead
1702 of char*.
1703 (Sbitset__isEmpty): Use Sbitset instead of char*.
1704 * src/Sbitset.h (Sbitset): Make it a pointer to unsigned char
1705 instead of char. This helps to avoid casting errors.
1706 (Sbitset__or): Use Sbitset instead of char*.
1707
1708 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
1709
1710 portability: don't assume 8-bit bytes.
1711 That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff.
1712 * src/Sbitset.h (Sbitset__nbytes): Here.
1713 (Sbitset__byteAddress): Here.
1714 (Sbitset__bit_mask): Here.
1715 (Sbitset__last_byte_mask): Here.
1716 (Sbitset__ones): Here.
1717 (SBITSET__FOR_EACH): Here.
1718
1719 2009-10-11 Joel E. Denny <jdenny@clemson.edu>
1720
1721 portability: use va_start and va_end in the same function.
1722 * src/complain.c (error_message): Move va_end from here...
1723 (ERROR_MESSAGE): ... to here.
1724
1725 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
1726
1727 * data/bison.m4: Update comments for rename to muscle-tab.h.
1728
1729 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
1730
1731 Rename muscle_tab.* to muscle-tab.* for consistency with master.
1732 * src/Makefile.am (bison_SOURCES): Update.
1733 * src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
1734 src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
1735 src/tables.c: Update include.
1736 * src/muscle_tab.c, src/muscle_tab.h: Rename to...
1737 * src/muscle-tab.c, src/muscle-tab.h: ... these and update
1738 include.
1739
1740 2009-10-07 Joel E. Denny <jdenny@clemson.edu>
1741
1742 Minor code cleanup.
1743 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
1744 replace all uses with UNIQSTR_CONCAT.
1745 * src/uniqstr.c (uniqstr_vsprintf): New function.
1746 * src/uniqstr.h (uniqstr_vsprintf): Add prototype.
1747 (UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
1748 macros.
1749
1750 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
1751
1752 Minor code cleanup.
1753 * src/parse-gram.y: Clean up sorting of declarations.
1754 Use types to simplify %printer declarations where possible.
1755 Provide %printer for BRACKETED_ID and symbol.prec.
1756 * src/symtab.c: Whitespace change.
1757
1758 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
1759
1760 tests: skip tests of file names that platform does not support.
1761 Reported by Michael Raskin at
1762 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
1763 * THANKS (Michael Raskin): Add.
1764 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used
1765 to fail at least for file names containing ":" or "\".
1766
1767 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
1768
1769 yysyntax_error: avoid duplicate lookahead collection.
1770 Except when memory reallocation is required, this change
1771 eliminates the need to invoke yysyntax_error twice and thus to
1772 repeat the collection of lookaheads. It also prepares for
1773 future extensions that will make those repetitions more
1774 expensive and that will require additional memory management in
1775 yysyntax_error. Finally, it fixes an obscure bug already
1776 exercised in the test suite.
1777 * data/yacc.c (yysyntax_error): Add arguments for message
1778 buffer variables stored in the parser. Instead of size, return
1779 status similar to yyparse status but indicating success of
1780 message creation. Other than the actual reallocation of the
1781 message buffer, import and clean up memory management code
1782 from...
1783 (yyparse, yypush_parse): ... here.
1784 * tests/regression.at (%error-verbose overflow): No longer an
1785 expected failure.
1786
1787 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
1788
1789 yysyntax_error: test memory management more.
1790 * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
1791 * tests/regression.at (%error-verbose and YYSTACK_USE_ALLOCA):
1792 New test group.
1793 (%error-verbose overflow): New test group that reveals an
1794 obscure bug. Expected fail for now.
1795
1796 2008-12-11 Akim Demaille <demaille@gostai.com>
1797
1798 Pass the token type to yysyntax_error.
1799 * data/yacc.c (yysyntax_error): Take the transated token instead
1800 of the raw number.
1801 Adjust callers.
1802
1803 2008-12-11 Akim Demaille <demaille@gostai.com>
1804
1805 Simplify the i18n of the error messages.
1806 * data/yacc.c (yysyntax_error): Rewrite, using a switch instead
1807 of building dynamically the format string.
1808
1809 2009-10-03 Joel E. Denny <jdenny@clemson.edu>
1810
1811 Remove dead code.
1812 * src/symtab.c (symbol_pack): Here because every symbol's number
1813 is always defined by this time.
1814
1815 2009-10-03 Alex Rozenman <rozenman@gmail.com>
1816
1817 Add additional space after periods in NEWS.
1818 * NEWS (2.5): here.
1819
1820 2009-09-29 Joel E. Denny <jdenny@clemson.edu>
1821
1822 Use the correct conversion specifier for size_t.
1823 Reported by Jim Meyering.
1824 * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
1825 because Sbitset__Index is size_t.
1826 * src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
1827
1828 2009-09-27 Joel E. Denny <jdenny@clemson.edu>
1829
1830 tests: don't abuse AT_BISON_CHECK.
1831 * tests/regression.at (parse-gram.y: LALR = IELR): Move
1832 additional shell commands outside of AT_BISON_CHECK.
1833
1834 2009-09-26 Joel E. Denny <jdenny@clemson.edu>
1835
1836 tests: check that parse-gram.y's IELR and LALR are identical.
1837 * tests/atlocal.in (abs_top_srcdir): New shell variable.
1838 * tests/regression.at (parse-gram.y: LALR = IELR): New test
1839 group.
1840
1841 2009-09-16 Akim Demaille <demaille@gostai.com>
1842
1843 doc: comment changes.
1844 * doc/bison.texinfo: Comment changes.
1845
1846 2009-09-16 Akim Demaille <demaille@gostai.com>
1847
1848 doc: spell checking.
1849 * doc/bison.texinfo: here.
1850
1851 2009-09-19 Alex Rozenman <rozenman@gmail.com>
1852
1853 Keep sub-messages aligned. Fix strings for translation.
1854 * src/location.h (location_print): Add return value.
1855 * src/location.c (location_print): Return number of printed
1856 characters.
1857 * src/complain.h (complain_at_indent, warn_at_indent): Prototype
1858 new functions.
1859 * src/complain.cpp (indent_ptr): New static variable.
1860 (error_message, complain_at_indent, warn_at_indent): Implement
1861 the alignment mechanism.
1862 * src/scan-code.l (parse_ref, show_sub_messages): Fix strings
1863 for translations. Use new alignment mechanism.
1864 * tests/named-ref.at: Adjust test-cases.
1865 * NEWS (2.5): Add an announcement about named references.
1866
1867 2009-09-13 Joel E. Denny <jdenny@clemson.edu>
1868
1869 tests: clean up push.at test group titles.
1870 * tests/push.at: Remove "Push Parsing: " from test group titles
1871 because these are already under the banner "Push Parsing Tests".
1872
1873 2009-09-12 Alex Rozenman <rozenman@gmail.com>
1874
1875 Provide an additional sub-message for clarity.
1876 Add "symbol not found in production" error message when
1877 an "invalid reference" is detected in named references
1878 resolution.
1879 * src/scan-code.l: Update "invalid reference" case.
1880 * tests/named-ref.at: Adjust test-cases.
1881
1882 2009-09-10 Joel E. Denny <jdenny@clemson.edu>
1883
1884 Clean up yacc.c a little.
1885 * data/yacc.c: Clean up M4 for readability, and make output
1886 whitespace more consistent. For the main parse function
1887 comment, instead of saying "yyparse or yypush_parse", say either
1888 "yyparse" or "yypush_parse" depending on which it actually is.
1889
1890 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1891
1892 Complain about unused %define variables and %code qualifiers.
1893 * NEWS (2.5): Document.
1894 * data/bison.m4 (b4_check_user_names): Complain instead of warn.
1895 * doc/bison.texinfo (Decl Summary): Document complaint, and
1896 improve %define documentation a little otherwise.
1897 * tests/input.at (Reject unused %code qualifiers): Update.
1898 (%define errors): Update.
1899 (%define, --define, --force-define): Update.
1900 (%define backward compatibility): Update.
1901 (Unused %define api.pure): Update.
1902 * tests/push.at (Push Parsing: Unsupported Skeletons): Update.
1903
1904 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1905
1906 Use aver not assert.
1907 * src/output.c: Don't include assert.h.
1908 (output_skeleton): Use aver not assert.
1909 * src/system.h (aver): In documentation of why, add links to
1910 Paul Eggert's explanations in the mailing lists.
1911
1912 2009-09-05 Alex Rozenman <rozenman@gmail.com>
1913
1914 Use "Unresolved reference" error message when no symbols were found
1915 in a symbolic reference resolution. Remove .expr and -expr from
1916 the shown reference when the reference is unresolved.
1917 * src/scan-code.l: Change the error message, adjust location columns,
1918 rename variable "exact_mode" to "explicit_bracketing".
1919 * tests/named-ref.at: Adjust existing tests and add a new one.
1920
1921 2009-09-03 Akim Demaille <demaille@gostai.com>
1922
1923 * NEWS (2.4.2): Add "Internationalization" item.
1924
1925 2009-09-03 Akim Demaille <demaille@gostai.com>
1926
1927 bootstrap: fix/improve find_tool.
1928 * bootstrap (find_tool): Improve error messages.
1929 Fix typo about find_tool_names.
1930
1931 2009-08-29 Joel E. Denny <jdenny@clemson.edu>
1932
1933 Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
1934 See
1935 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
1936 * src/scan-code.h (code_props_rule_action_init): Rename
1937 named_ref arg to name so it doesn't shadow named_ref type. This
1938 makes it consistent with the function definition in scan-code.l
1939 anyway.
1940
1941 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1942
1943 %define: accept unquoted values.
1944 * NEWS (2.5): Group all %define changes together, and document
1945 this one. Remove quotes in IELR and canonical LR entry.
1946 * doc/bison.texinfo: Remove quotes in most examples throughout.
1947 (Decl Summary): Update %define documentation.
1948 (Table of Symbols): Likewise.
1949 * src/ielr.c (LrType): Update documentation.
1950 * src/parse-gram.y (content.opt): Add production for ID.
1951 * tests/calc.at: Remove quotes in most tests.
1952 * tests/existing.at: Likewise.
1953 * tests/input.at: Likewise.
1954 * tests/local.at: Likewise.
1955 * tests/push.at: Likewise.
1956 * tests/reduce.at: Likewise.
1957 * tests/torture.at: Likewise.
1958
1959 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1960
1961 %define lr.type: make values lowercase IDs.
1962 That is, "LALR" => "lalr", "IELR" => "ielr", and
1963 "canonical LR" => "canonical-lr".
1964 * NEWS (2.5): Update documentation.
1965 * doc/bison.texinfo (Decl Summary): Likewise.
1966 * src/ielr.c (ielr): Use new values.
1967 * src/ielr.h (ielr): Update documentation.
1968 * src/reader.c (prepare_percent_define_front_end_variables): Use
1969 and validate new values.
1970 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
1971 grammars.
1972 * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
1973
1974 2009-08-27 Eric Blake <ebb9@byu.net>
1975
1976 scan-gram: avoid portability trap with ctype usage.
1977 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
1978 Avoid compiler warning.
1979
1980 2009-08-27 Joel E. Denny <jdenny@clemson.edu>
1981
1982 tests: use perl for printing special sequences to files.
1983 And skip tests if perl is not available. This is better than
1984 playing tricks with shell portability. Suggested by Akim
1985 Demaille.
1986 * tests/input.at (Bad character literals): Use it here for
1987 omitting final newlines.
1988 (Bad escapes in literals): Use it here for special characters.
1989
1990 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
1991
1992 tests: show a use of %define lr.default-reductions "consistent"
1993 * tests/conflicts.at (%nonassoc and eof): Extend to test that it
1994 prevents the omission of expected tokens for %error-verbose.
1995
1996 2009-08-26 Akim Demaille <demaille@gostai.com>
1997
1998 tests: portability fix.
1999 * tests/input.at (Bad escapes in literals): Don't expect "echo
2000 '\0'" to output \ then 0.
2001
2002 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
2003
2004 Actually handle the yytable zero value correctly this time.
2005 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Don't
2006 mention zero values in the YYTABLE comments.
2007 * data/glr.c (yytable_value_is_error): Don't check for zero
2008 value.
2009 * data/lalr1.cc (yy_table_value_is_error_): Likewise.
2010 * data/yacc.c (yytable_value_is_error): Likewise.
2011 * data/lalr1.java (yy_table_value_is_error_): Likewise.
2012 (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
2013 * src/tables.h: In header comments, explain why it's useless to
2014 check for a zero value in yytable.
2015
2016 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
2017
2018 More fixes related to last two patches.
2019 * data/c.m4 (b4_table_value_equals): Comment that YYID must be
2020 defined.
2021 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Fix
2022 yytable comments: zero indicates syntax error not default
2023 action.
2024 * data/glr.c (yyis_pact_ninf): Rename to...
2025 (yypact_value_is_default): ... this.
2026 (yyisDefaultedState): Update for rename.
2027 (yyis_table_ninf): Rename to...
2028 (yytable_value_is_error): ... this, and check for value zero
2029 besides just YYTABLE_NINF.
2030 (yygetLRActions): Check for default value from yypact. It
2031 appears that this check is always performed before this function
2032 is invoked, and so adding the check here is probably redundant.
2033 However, the code may evolve after this subtlety is forgotten.
2034 Also, update for rename to yytable_value_is_error. Because that
2035 macro now checks for zero, a different but equivalent branch of
2036 the if-then-else here is evaluated.
2037 (yyreportSyntaxError): Update for rename to
2038 yytable_value_is_error. The zero condition was mishandled
2039 before.
2040 (yyrecoverSyntaxError): Update for renames. No behavioral
2041 changes.
2042 * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
2043 New function.
2044 (yy_table_value_is_error_): New function.
2045 (parse): Use new functions where possible. No behavioral
2046 changes.
2047 (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
2048 The zero condition was mishandled before.
2049 * data/yacc.c (yyis_pact_ninf): Rename to...
2050 (yypact_value_is_default): ... this.
2051 (yyis_table_ninf): Rename to...
2052 (yytable_value_is_error): ... this, and check for value zero
2053 besides just YYTABLE_NINF.
2054 (yysyntax_error): Update for rename to yytable_value_is_error.
2055 The zero condition was mishandled before.
2056 (yyparse): Update for renames. No behavioral changes.
2057 * src/tables.h: Improve comments about yypact, yytable, etc.
2058 more. Most importantly, say yytable value of zero means syntax
2059 error not default action.
2060
2061 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
2062
2063 Fix %error-verbose for conflicts resolved by %nonassoc.
2064 * NEWS (2.5): Document.
2065 * data/glr.c (yyreportSyntaxError): Fix this by checking
2066 yyis_table_ninf.
2067 * data/yacc.c (yysyntax_error): Likewise.
2068 * data/lalr1.cc (yysyntax_error_): Fix this by checking
2069 yytable_ninf_.
2070 * data/lalr1.java (yysyntax_error): Likewise.
2071 * tests/conflicts.at (%nonassoc and eof): Update expected output
2072 and remove FIXME.
2073
2074 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
2075
2076 Some code and documentation improvements.
2077 * data/c.m4 (b4_table_value_equals): New macro to capture
2078 some repeated code.
2079 * data/glr.c (yyis_pact_ninf): Use it here.
2080 (yyis_table_ninf): Likewise.
2081 (yyreportSyntaxError): Improve internal comments.
2082 * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
2083 Use it everywhere possible.
2084 (yyis_table_ninf): Likewise.
2085 (yysyntax_error): Improve internal comments.
2086 * data/lalr1.cc (yysyntax_error_): Likewise.
2087 * data/lalr1.java (yysyntax_error): Likewise.
2088 * src/tables.h: Improve comments about yypact, yytable, etc.
2089
2090 2009-08-21 Joel E. Denny <jdenny@clemson.edu>
2091
2092 Use locale when quoting.
2093 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
2094 quote rather than implementing quoting here.
2095
2096 2009-08-20 Eric Blake <ebb9@byu.net>
2097
2098 Make previous patch more robust.
2099 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
2100 argmatch.h.
2101 (output_skeleton): Use it.
2102 Suggested by Akim Demaille.
2103
2104 Import latest m4/m4.m4.
2105 * submodules/autoconf: Update to autoconf 2.64.
2106 * configure.ac (M4_GNU_OPTION): New define.
2107 * src/output.c (output_skeleton): Use it to resolve FIXME.
2108 * NEWS: Mention this.
2109
2110 2009-08-19 Joel E. Denny <jdenny@clemson.edu>
2111
2112 Fix complaints about escape sequences.
2113 Discussed starting at
2114 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
2115 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
2116 For a \0 and similar escape sequences meaning the null
2117 character, report an invalid escape sequence instead of an
2118 invalid null character because the latter does not actually
2119 appear in the user's input.
2120 In all escape sequence complaints, don't escape the initial
2121 backslash, and don't quote when the sequence appears at the end
2122 of the complaint line unless there's whitespace that quotearg
2123 won't escape.
2124 Consistently say "invalid" not "unrecognized".
2125 Consistently prefer "empty character literal" over "extra
2126 characters in character literal" warning for invalid escape
2127 sequences; that is, consistently discard those sequences.
2128 * tests/input.at (Bad escapes in literals): New.
2129
2130 2009-08-19 Akim Demaille <demaille@gostai.com>
2131
2132 doc: fixes.
2133 * doc/bison.texinfo: Fix minor Texinfo errors.
2134
2135 2009-08-19 Akim Demaille <demaille@gostai.com>
2136
2137 doc: %initial-action to initialize yylloc.
2138 Reported by Bill Allombert.
2139 * doc/bison.texinfo: Set fill-column to 76.
2140 (Location Type): Document the use of %initial-action to initialize
2141 yylloc.
2142
2143 2009-08-18 Joel E. Denny <jdenny@clemson.edu>
2144
2145 maint: update for gnulib's recent update-copyright changes
2146 * gnulib: Update.
2147 * .x-update-copyright (COPYING): Add as it's no longer implied
2148 when .x-update-copyright is present.
2149 * cfg.mk (update-copyright-local): Remove, now ignored.
2150 (update-copyright): Declare update-b4-copyright as a dependency.
2151
2152 2009-08-17 Akim Demaille <demaille@gostai.com>
2153
2154 build: require gettext 0.17.
2155
2156 Suggested by Bruno Haible.
2157 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
2158 * configure.ac: require gettext 0.17 to ensure compatibility with
2159 gnulib.
2160
2161 2009-08-17 Akim Demaille <demaille@gostai.com>
2162
2163 build: lower gettext requirements.
2164
2165 Bison was uselessly requiring the formatstring macros from
2166 gettext, which resulted in mo files not being installed on systems
2167 that perfectly supported Bison mo files. Lower the requirement.
2168 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
2169
2170 * configure.ac: Require need-ngettext instead of
2171 need-formatstring-macros.
2172 Reported by Martin Jabocs.
2173 Suggested by Bruno Haible.
2174 * INSTALL: Restructure.
2175 (Internationalization): New.
2176
2177 2009-08-14 Joel E. Denny <jdenny@clemson.edu>
2178
2179 maint: fix use of copyright year intervals.
2180 * gnulib: Update.
2181 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
2182 as now recommended in gnulib/NEWS.
2183 * build-aux/update-b4-copyright: Fix.
2184 * cfg.mk (update-copyright-env): Configure update-copyright.
2185
2186 2009-08-13 Joel E. Denny <jdenny@clemson.edu>
2187
2188 Make it easier to write deterministic tests.
2189 Continues Akim's work from his 2009-06-10 commits.
2190 * src/reader.c (check_and_convert_grammar): Don't add any
2191 symbols after the first symbols_do invocation.
2192 * src/symtab.c (symbols_sorted): New static global.
2193 (user_token_number_redeclaration): Update comments.
2194 (symbol_from_uniqstr): If a new symbol is being created, assert
2195 that symbols_sorted hasn't been allocated yet.
2196 (symbols_free): Free symbols_sorted.
2197 (symbols_cmp, symbols_cmp_qsort): New functions.
2198 (symbols_do): Sort symbol_table into symbols_sorted on first
2199 invocation.
2200 * tests/input.at (Numbered tokens): Recombine tests now that the
2201 output should be deterministic across multiple numbers.
2202
2203 2009-08-12 Akim Demaille <demaille@gostai.com>
2204
2205 distcheck: fix.
2206
2207 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
2208
2209 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
2210
2211 * tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.
2212
2213 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
2214
2215 Miscellaneous code readability improvements.
2216
2217 * src/reader.c (reader): Move %define front-end variable
2218 defaults and checking into...
2219 (prepare_percent_define_front_end_variables): ... this new
2220 function.
2221
2222 * src/scan-gram.l (INITIAL): For consistency with string
2223 literals, don't store open quote on character literal. It's
2224 discarded before returning anyway.
2225 (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
2226 Make length test more readable, and make the character stored
2227 for an empty literal more obvious while consistent with the
2228 previous behavior.
2229
2230 * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
2231 USER_NUMBER_HAS_STRING_ALIAS throughout.
2232 * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
2233 that is repeated in symtab.h. Improve argument names to make it
2234 clear which side of the symbol-string alias pair is which.
2235 (symbol_check_alias_consistency): Improve local variable names
2236 for the same purpose.
2237 * src/symtab.h (struct symbol): Make comments about aliases
2238 clearer.
2239 (symbol_make_alias): Improve comments and argument name.
2240 * src/output.c (token_definitions_output): Update for rename to
2241 USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
2242
2243 2009-08-08 Alex Rozenman <rozenman@gmail.com>
2244
2245 Convert "misleading reference" messages to warnings.
2246 * src/scan-code.l: New function 'show_sub_messages', more
2247 factoring.
2248 * tests/named-ref.at: Adjust tests.
2249
2250 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
2251
2252 maint: run "make update-copyright"
2253
2254 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
2255
2256 maint: make update-b4-copyright easier to use
2257 * build-aux/update-b4-copyright: In warnings, report line
2258 numbers rather than character positions.
2259 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
2260 that update-copyright runs it.
2261 * gnulib: Update.
2262
2263 2009-08-05 Joel E. Denny <jdenny@clemson.edu>
2264
2265 maint: clean up update-b4-copyright code
2266 * build-aux/update-b4-copyright: Do not accept 2-digit
2267 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
2268 Don't accept a `[' in a b4_copyright argument.
2269 Format code more consistently.
2270 Don't assume b4*copyright never occurs.
2271
2272 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
2273
2274 maint: automate b4_copyright updates.
2275 * Makefile.am (update-b4-copyright): New target rule.
2276 * build-aux/Makefile.am (EXTRA_DIST): Add update-b4-copyright.
2277 * build-aux/update-b4-copyright: New.
2278 * data/yacc.c: Remove stray characters around b4_copyright
2279 invocations.
2280
2281 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
2282
2283 maint: automate annual package-wide copyright-year update.
2284 * .x-update-copyright: New.
2285 * Makefile.am (EXTRA_DIST): Remove maint.mk.
2286 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
2287 update-copyright. Remove gnumakefile, which is implied by
2288 maintainer-makefile.
2289 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
2290 * gnulib: Update.
2291 * maint.mk: Remove, now copied from gnulib.
2292 * examples/extexi: Add missing "(C)" in copyright statement so
2293 update-copyright can recognize it.
2294 * src/LR0.h: Likewise.
2295 * src/print.h: Likewise.
2296 * src/print_graph.h: Likewise.
2297 * src/gram.c: Add missing comma in copyright statement.
2298 * src/gram.h: Likewise.
2299
2300 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
2301
2302 Fix "make distcheck".
2303 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
2304 of just calc.stamp.
2305
2306 2009-08-01 Joel E. Denny <jdenny@clemson.edu>
2307
2308 Pacify "gcc -Wunused" for the input function from Flex.
2309 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
2310 and later.
2311 * src/scan-code.l: Add "%option noinput", which I cannot find in
2312 the Flex manual, but which Flex has supported since at least as
2313 far back as 2.5.4. However, if any of our developers still use
2314 Flex 2.5.4, they'll need to stop configuring with
2315 --enable-gcc-warnings because "%option noinput" didn't work
2316 correctly until Flex 2.5.6.
2317 * src/scan-gram.l: Likewise.
2318 * src/scan-skel.l: Likewise.
2319
2320 2009-07-31 Alex Rozenman <rozenman@gmail.com>
2321
2322 Fix --enable-gcc-warnings problems.
2323 * src/reader.c: Adjust variable names.
2324 * src/scan-code.l: Fix prototypes and adjust names.
2325 * src/named-ref.c: Remove redundant "if".
2326
2327 2009-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
2328
2329 Fix a --enable-gcc-warnings problem.
2330 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
2331 variable.
2332
2333 2009-07-24 Alex Rozenman <rozenman@gmail.com>
2334
2335 Fix some memory leaks.
2336 * src/named-ref.c: Add a pointer check (named_ref_free).
2337 * src/scan-code.l: New function (variant_table_free). Called in
2338 code_scanner_free.
2339 * src/symlist.c: Call to named_ref_free (symbol_list_free).
2340
2341 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
2342
2343 Warn about character literals not of length one.
2344 * NEWS (2.5): Document.
2345 * src/scan-gram.l (INITIAL): Remove comment that we don't check
2346 the length.
2347 (SC_ESCAPED_CHARACTER): Warn if length is wrong.
2348 * tests/input.at (Bad character literals): New test group.
2349
2350 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
2351
2352 * src/lalr.c (state_lookahead_tokens_count): Correct comment.
2353
2354 2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
2355
2356 Some M4 cleanup in the testsuite.
2357 Suggested by Eric Blake at
2358 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
2359 * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
2360 complicate the code by distinguishing between a missing value
2361 and an empty string value for an optional argument. This fix is
2362 allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
2363 * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
2364 (AT_TEST_TABLES_AND_PARSE): ... this now that the special
2365 arguments are not needed because of the following changes.
2366 Fix stale comments.
2367 Bison developers should use GNU M4 and should not use
2368 POSIXLY_CORRECT when building the test suite, so do not
2369 complicate the code by avoiding $10 and above.
2370 Do not quote an empty string value for an optional argument, and
2371 do not distinguish between a missing value and an empty string
2372 value.
2373
2374 2009-07-21 Joel E. Denny <jdenny@ces.clemson.edu>
2375
2376 * m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.
2377
2378 2009-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2379
2380 Revert unnecessary column realignment in --help output.
2381 Reported by Akim Demaille at
2382 <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
2383 * src/getargs.c (usage): Here.
2384
2385 2009-07-04 Alex Rozenman <rozenman@gmail.com>
2386
2387 Alphabetical order in src/Makefile.am.
2388 * src/Makefile.am: Adjust.
2389
2390 2009-07-04 Alex Rozenman <rozenman@gmail.com>
2391
2392 Style changes and factoring.
2393 * src/named-ref.h: Add comments.
2394 * src/parse-gram.y: Readability and style changes.
2395 * src/reader.c: Factoring: assign_named_ref function.
2396 * src/scan-code.l: Factoring and style changes. Rename
2397 parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
2398 Use "unsigned" type for variant index. Improve readablity.
2399 * src/scan-gram.l: Change error messages and add comments.
2400 * src/symlist.h: symbol_list_null: New function decl.
2401 * src/symlist.c: symbol_list_null: Implement here.
2402 * tests/named-refs.at: Adjust for new error messages.
2403
2404 2009-06-29 Eric Blake <ebb9@byu.net>
2405
2406 scan-code: avoid compiler warnings
2407 * src/scan-code.l (parse_named_ref): Use correct specifiers.
2408
2409 2009-06-29 Akim Demaille <demaille@gostai.com>
2410
2411 build: avoid concurrent extraction of calc++.
2412 * examples/calc++/Makefile.am (calc.stamp): New.
2413 Depend on it to create the sources of calc++ so that concurrent
2414 builds don't launch several "extexi" in parallel.
2415 Not only this is inefficient, this also builds incorrect sources
2416 with several extractions mixed together.
2417
2418 2009-06-27 Alex Rozenman <rozenman@gmail.com>
2419
2420 Implement support for named symbol references.
2421 * src/parse-gram.y: Add new syntax (named_ref.opt).
2422 * src/reader.c: Store named refs in symbol lists.
2423 * src/reader.h: New argument for symbol_append and
2424 action_append functions.
2425 * src/scan-code.h: Add new field (named_ref) into
2426 code_props data structure. Keeps named ref of midrule
2427 actions.
2428 * src/scan-code.l: Support for named refs in semantic
2429 action code. New function 'parse_named_ref'.
2430 * src/scan-gram.l: Support bracketed id.
2431 * src/symlist.c: Store named refs in symbol lists.
2432 * src/symlist.h: New field in symbol list: named_ref.
2433 * src/named-ref.h: New file, a struct for named_ref.
2434 * src/named-ref.cp: New file, named_ref_new function.
2435 * src/local.mk: Add two new files.
2436 * tests/testsuite.at: Include new test group:
2437 * tests/named-refs.at: this new file.
2438
2439 2009-06-25 Akim Demaille <demaille@gostai.com>
2440
2441 hash: check insertion for memory exhaustion.
2442 * src/uniqstr.c (uniqstr_new): New.
2443
2444 2009-06-11 Akim Demaille <demaille@gostai.com>
2445
2446 style changes.
2447 * data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
2448 * src/print-xml.c: Style changes.
2449 * tests/conflicts.at: Comment changes.
2450
2451 2009-06-11 Akim Demaille <demaille@gostai.com>
2452
2453 xml: beware of user strings used to give a %prec to rules.
2454 * tests/conflicts.at (%prec with user strings): New.
2455 * src/gram.c (grammar_rules_print_xml): Escape the precedence for
2456 XML output.
2457
2458 2009-06-11 Akim Demaille <demaille@gostai.com>
2459
2460 hash: check insertion for memory exhaustion.
2461 * src/muscle-tab.c (muscle_insert, muscle_grow)
2462 * src/state.c (state_hash_insert): Check the return value of
2463 hash_insert.
2464
2465 2009-06-10 Akim Demaille <demaille@gostai.com>
2466
2467 deterministic test suite.
2468 Some consistency checks on symbols are performed after all the
2469 symbols were read, by an iteration over the symbol table. This
2470 traversal is nondeterministic, which can be a problem for test
2471 cases.
2472 Avoid this.
2473 Addresses another form of nondeterminism reported by Joel E. Denny.
2474 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
2475
2476 * tests/input.at (Numbered tokens): Split the hexadecimal/decimal
2477 test in two.
2478 Use different file names for the three tests to make the
2479 maintenance easier.
2480
2481 2009-06-10 Akim Demaille <demaille@gostai.com>
2482
2483 deterministic user-token-number redeclaration errors.
2484 Address nondeterminism reported by Joel E. Denny.
2485 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
2486
2487 * src/uniqstr.h: Comment changes.
2488 * src/location.h (boundary_cmp, location_cmp): New.
2489 * src/symtab.c (user_token_number_redeclaration): New.
2490 (symbol_translation): Use it.
2491 * tests/input.at (Numbered tokens): Adjust the expected output.
2492
2493 2009-05-25 Akim Demaille <demaille@gostai.com>
2494
2495 gnulib: update.
2496 * gnulib: Update to latest.
2497 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
2498 * m4/.gitignore: Regen.
2499 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
2500 Call xalloc_die on hash_insert failures.
2501 Requested by the new __warn_unused_result__ attribute of
2502 hash_insert.
2503
2504 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
2505
2506 Convert multiple variable definition warnings to complaints.
2507 * NEWS (2.5): Add a new entry for that change.
2508 * doc/bison.texinfo (Decl Summary): Update %define entry.
2509 (Bison Options): Update -D/--define/-F/--force-define entry.
2510 * src/muscle_tab.c (muscle_percent_define_insert): Implement.
2511 * src/muscle_tab.h (muscle_percent_define_insert): Update
2512 comments.
2513 * tests/input.at (`%define errors'): Update.
2514 (`%define, --define, --force-define'): Update.
2515
2516 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
2517
2518 -F/--force-define and relative %define/-D/--define priorities.
2519 * NEWS (2.5): Add documentation to -D/--define entry.
2520 * build-aux/cross-options.pl: Hard-code association of
2521 --force-define with %define.
2522 * doc/bison.texinfo (Decl Summary): In %define entry,
2523 cross-reference command-line options.
2524 (Bison Options): Add documentation to -D/--define entry.
2525 (Option Cross Key): Widen column for --force-define row.
2526 * src/getargs.c (usage): Document -F/--force-define. Realign
2527 options in output.
2528 (short_options, long_options, getargs): Parse -F/--force-define,
2529 and update muscle_percent_define_insert invocation.
2530 * src/muscle_tab.h (muscle_percent_define_how): New enum type.
2531 (muscle_percent_define_insert): Add argument with that type.
2532 * src/muscle_tab.c (muscle_percent_define_insert): Implement
2533 -F/--force-define behavior and priorities.
2534 * src/parse-gram.y (prologue_declaration): Update
2535 muscle_percent_define_insert invocations.
2536 * tests/input.at (`%define, --define'): Rename to...
2537 (`%define, --define, --force-define'): ... this and extend.
2538
2539 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
2540
2541 Update some comments to make sense for -D.
2542 * data/bison.m4 (b4_check_user_names): In header comments, say
2543 "user occurrence" instead of "grammar occurrence".
2544 * src/muscle_tab.h (muscle_percent_define_insert): Likewise.
2545 (muscle_percent_code_grow): Likewise just for consistency.
2546
2547 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
2548
2549 * data/c++.m4: Update copyright year.
2550
2551 2009-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
2552
2553 * data/c++.m4 (b4_namespace_close): Simplify slightly.
2554
2555 2009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
2556
2557 Handle a trailing `:' in a user-supplied C++ namespace better.
2558 * data/c++.m4 (b4_namespace_close): Don't let it be printed
2559 among the closing braces here. This fix might make the
2560 generated code easier to debug, but otherwise it should be
2561 insignificant because a trailing `:' is a C++ error already.
2562
2563 2009-05-19 Akim Demaille <demaille@gostai.com>
2564
2565 remove useless variable.
2566 * src/getargs.c (skeleton_arg): Remove now useless variable.
2567 Should help the compiler see that this printf-like call is sane.
2568
2569 2009-05-11 Akim Demaille <demaille@gostai.com>
2570
2571 doc: use C++ headers.
2572 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
2573 headers.
2574
2575 2009-05-05 Akim Demaille <demaille@gostai.com>
2576
2577 fix hexadecimal token number support.
2578 * src/scan-gram.l: Catch incorrect ids after hexadecimal numbers.
2579
2580 2009-05-05 Akim Demaille <demaille@gostai.com>
2581
2582 tests: check token numbers.
2583 * tests/input.at (Numbered tokens): New.
2584
2585 2009-05-04 Akim Demaille <demaille@gostai.com>
2586
2587 bison: catch bad symbol names.
2588 * src/scan-gram.l({int}{id}): Report as an invalid identifier.
2589 * tests/input.at: Adjust.
2590
2591 2009-05-04 Akim Demaille <demaille@gostai.com>
2592
2593 space changes.
2594 * src/scan-gram.l: Untabify to be robust to zealous editors.
2595
2596 2009-05-04 Akim Demaille <demaille@gostai.com>
2597
2598 identifiers: dashes are letters.
2599 Dashes can now start identifiers (symbols and directives).
2600
2601 * src/scan-gram.l ({letter}): Add dash.
2602 ({id}): Remove it.
2603 * tests/input.at (Symbols): Adjust.
2604 Remove stray comment.
2605 * tests/regression.at (Invalid inputs): Adjust error message.
2606 * doc/bison.texinfo (Symbols): Update.
2607
2608 2009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
2609
2610 Declare %code to be a permanent feature.
2611 * NEWS (2.4.2): Here.
2612 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
2613 experimental.
2614 (Decl Summary): Likewise.
2615
2616 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2617
2618 Convert underscores to dashes in some %define variable names.
2619 For now, just api.push-pull and lr.keep-unreachable-states.
2620 Maintain old names for backward compatibility.
2621 * NEWS (2.5): Document.
2622 * data/c.m4 (b4_identification): Update comment.
2623 * data/yacc.c: Update access.
2624 * doc/bison.texinfo: Update.
2625 * etc/bench.pl.in (bench_grammar): Update use.
2626 * src/files.c (tr): Move to...
2627 * src/getargs.c, src/getargs.h (tr): ... here because I can't
2628 think of a better place to expose it. My logic is that, for all
2629 uses of tr so far, command-line arguments can be involved, and
2630 getargs.h is already included.
2631 * src/main.c (main): Update access.
2632 * src/muscle_tab.c (muscle_percent_define_insert): Convert old
2633 variable names to new variable names before assigning value.
2634 * src/reader.c (reader): Update setting default.
2635 * tests/calc.at: Update uses.
2636 * tests/conflicts.at (Unreachable States After Conflict
2637 Resolution): Update use.
2638 * tests/input.at (%define enum variables): Update use.
2639 (%define backward compatibility): New test group.
2640 * tests/push.at: Update uses.
2641 * tests/reduce.at: Update uses.
2642 * tests/torture.at: Update uses.
2643
2644 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2645
2646 Set all front-end %define defaults in one place.
2647 * src/main.c (main): Move lr.keep_unreachable_states default...
2648 * src/reader.c (reader): ... to here.
2649
2650 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2651
2652 Rename lr.default_reductions to lr.default-reductions.
2653 * NEWS (2.5): Here.
2654 * doc/bison.texinfo: Here.
2655 * src/lalr.c (initialize_LA): Here.
2656 * src/print.c (print_reductions): Here.
2657 * src/reader.c (reader): Here.
2658 * src/tables.c (action_row): Here.
2659 * tests/input.at (%define enum variables): Here.
2660 * tests/reduce.at (AT_TEST_LR_DEFAULT_REDUCTIONS): Here.
2661
2662 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2663
2664 Pacify ./configure --enable-gcc-warnings.
2665 * tests/input.at (Symbols): Prototype yyerror and yylex.
2666
2667 2009-04-21 Akim Demaille <demaille@gostai.com>
2668
2669 tests: check the use of dashes and periods in symbols.
2670 * tests/input.at (Symbol): New test group.
2671
2672 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2673
2674 Document how `%define "var" "value"' is not M4-friendly.
2675 * src/parse-gram.y (variable): In comments here.
2676
2677 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2678
2679 Add copyright updates missed during previous cherry pick.
2680 * src/output.c: Here.
2681 * src/parse-gram.y: Here.
2682 * src/scan-gram.l: Here.
2683
2684 2009-04-20 Akim Demaille <demaille@gostai.com>
2685
2686 variables: accept dashes.
2687 * src/scan-gram.l ({id}): Also accept dashes after the initial
2688 letter.
2689 ({directive}): Use {id}.
2690 * src/parse-gram.y: Comment and formatting changes.
2691 * doc/bison.texinfo (Symbols): Adjust the lexical definitions of
2692 symbols.
2693 * src/complain.h, src/complain.c (yacc_at): New.
2694 * src/symtab.c (symbol_new): Use yacc_at to report inappropriate
2695 symbol names.
2696 * src/output.c (token_definitions_output): Do not #define token
2697 names with dashes.
2698
2699 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2700
2701 Clean up recent patches a little.
2702 Reported by Akim Demaille.
2703 * doc/bison.texinfo (Understanding): Fix typos.
2704 * src/print.c (print_reductions): Don't use negated variable.
2705
2706 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2707
2708 List accepted values for a %define enum variable with an invalid value.
2709 Suggested by Akim Demaille at
2710 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00082.html>.
2711 * data/bison.m4 (_b4_percent_define_check_values): Implement.
2712 * src/muscle_tab.c (muscle_percent_define_check_values): Implement.
2713 * tests/input.at (%define lr.default_reductions invalid values): Merge
2714 into...
2715 (%define enum variables): ... here, and update output.
2716
2717 2009-04-23 Joel E. Denny <jdenny@ces.clemson.edu>
2718
2719 Rename "default rule" to "default reduction".
2720 This includes changing variable names in code, changing
2721 comments, and renaming %define lr.default_rules to %define
2722 lr.default_reductions.
2723 * NEWS (2.5): Update IELR documentation.
2724 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c:
2725 Adjust YYDEFACT and yydefact_ documentation.
2726 * doc/bison.texinfo (Decl Summary): Adjust lr.default_reductions
2727 and lr.type documentation. Make some other wording
2728 improvements.
2729 (Glossary): Adjust cross-references and Default Reduction
2730 definition.
2731 * src/lalr.c (state_lookahead_tokens_count): Adjust code.
2732 Remove a confusing comment pointed out by Akim Demaille.
2733 (initialize_LA): Adjust code.
2734 * src/print-xml.c (print_reductions): Adjust code.
2735 * src/print.c (print_reductions): Adjust code.
2736 * src/reader.c (reader): Adjust code.
2737 * src/tables.c (action_row): Adjust code.
2738 (token_actions): Adjust code.
2739 * src/tables.h: Adjust YYDEFACT documentation.
2740 * tests/input.at (%define lr.default_rules invalid values):
2741 Rename test group to...
2742 (%define lr.default_reductions invalid values): ... this, and
2743 update grammar file and expected output.
2744 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): Rename to...
2745 (AT_TEST_LR_DEFAULT_REDUCTIONS): ... this, and update.
2746
2747 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2748
2749 Document %define lr.type and lr.default_rules.
2750 * NEWS (2.5): Add an entry.
2751 * src/getargs.c (usage): Mention IELR(1) and canonical LR(1)
2752 besides just LALR(1) and GLR(1).
2753 * doc/bison.texinfo (Introduction): Likewise.
2754 (Language and Grammar): Bison is no longer limited to LALR(1)
2755 restrictions.
2756 (GLR parsing): Say deterministic or LR(1) rather than LALR(1)
2757 when trying to distinguish from GLR. Talk about LR(1) grammars
2758 rather than LALR(1) grammars.
2759 (Decl Summary): In %define api.push_pull entry, say it applies
2760 to deterministic parsers in C rather than LALR(1) parsers in C.
2761 Add lr.default_rules entry.
2762 Add lr.type entry.
2763 (Mystery Conflicts): Bison is no longer limited to LALR(1)
2764 restrictions.
2765 (Generalized LR Parsing): Same changes as for the previous GLR
2766 section.
2767 (Memory Management): Say deterministic rather than LALR(1).
2768 (Understanding): Correct some bison output.
2769 Index discussion of "accepting state".
2770 Say deterministic rather than LALR(1).
2771 (Bison Options): In --yacc entry, say deterministic rather than
2772 LALR(1).
2773 In --report, --graph, and --xml entries, just don't mention
2774 LALR(1).
2775 (C++ Parsers): Say deterministic rather than LALR(1).
2776 (Table of Symbols): Likewise in YYSTACK_USE_ALLOCA entry.
2777 (Glossary): Add Accepting State, Consistent State, Default Rule,
2778 and IELR(1) definitions.
2779 In Generalized LR (GLR) definition, make same changes as in
2780 previous GLR sections.
2781 In LALR(1) definition, say Bison uses LALR(1) by default rather
2782 than implying Bison is limited to LALR(1).
2783 (LocalWords): Add IELR.
2784
2785 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2786
2787 Finish implementing %define lr.type.
2788 Its value can be "LALR", "IELR", or "canonical LR".
2789 * lib/timevar.def (TV_IELR_PHASE1): New var.
2790 (TV_IELR_PHASE2): New var.
2791 (TV_IELR_PHASE3): New var.
2792 (TV_IELR_PHASE4): New var.
2793 * src/Makefile.am (bison_SOURCES): Add AnnotationList.c,
2794 AnnotationList.h, InadequacyList.c, InadequacyList.h, Sbitset.c,
2795 Sbitset.h, ielr.h, and ielr.c.
2796 * src/getargs.h, src/getargs.c (enum trace, trace_args,
2797 trace_types): Add trace_ielr.
2798 * src/lalr.h, src/lalr.c (ngotos): Export it.
2799 (F): Rename to...
2800 (goto_follows): ... this, update all uses, and export it.
2801 (set_goto_map): Export it.
2802 (map_goto): Export it.
2803 (compute_lookahead_tokens): Don't free goto_follows yet. Now
2804 handled in ielr.
2805 (initialize_LA): Export it. Move lookback allocation to...
2806 (lalr): ... here because, for canonical LR, initialize_LA must
2807 be invoked but lookback and much of the rest of LALR isn't
2808 needed.
2809 * main.c (main): Instead of lalr, invoke ielr, which invokes
2810 lalr.
2811 * src/reader.c (reader): Default lr.type to "LALR".
2812 Default lr.default_rules to "accepting" if lr.type is "canonical
2813 LR". Leave the default as "all" otherwise.
2814 Check for a valid lr.type value.
2815 * src/state.h, src/state.c (struct state_list): Add state_list
2816 member.
2817 (state_new): Initialize state_list member to NULL.
2818 (state_new_isocore): New function, exported.
2819 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): New macro that
2820 exercises all values of lr.type.
2821 (GNU AWK Grammar): Rename test group to...
2822 (GNU AWK 3.1.0 Grammar): ... this, and extend to use
2823 AT_TEST_EXISTING_GRAMMAR.
2824 (GNU Cim Grammar): Extend to use AT_TEST_EXISTING_GRAMMAR.
2825 (GNU pic Grammar): Rename test group to...
2826 (GNU pic (Groff 1.18.1) Grammar): ... this, and extend to use
2827 AT_TEST_EXISTING_GRAMMAR.
2828 * tests/reduce.at (AT_TEST_LR_TYPE): New macro that exercises
2829 all values of lr.type.
2830 (Single State Split): New test groups using AT_TEST_LR_TYPE.
2831 (Lane Split): Likewise.
2832 (Complex Lane Split): Likewise.
2833 (Split During Added Lookahead Propagation): Likewise.
2834
2835 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2836
2837 Add new files for IELR and canonical LR implementation.
2838 * src/AnnotationList.c: New.
2839 * src/AnnotationList.h: New.
2840 * src/InadequacyList.c: New.
2841 * src/InadequacyList.h: New.
2842 * src/Sbitset.c: New.
2843 * src/Sbitset.h: New.
2844 * src/ielr.c: New.
2845 * src/ielr.h: New.
2846
2847 2009-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2848
2849 Implement %define lr.default_rules.
2850 Its value describes the states that are permitted to contain
2851 default rules: "all", "consistent", or "accepting".
2852 * src/reader.c (reader): Default lr.default_rules to "all".
2853 Check for a valid lr.default_rules value.
2854 * src/lalr.c (state_lookahead_tokens_count): If lr.default_rules
2855 is "accepting", then only mark the accepting state as
2856 consistent.
2857 (initialize_LA): Tell state_lookahead_tokens_count whether
2858 lr.default_rules is "accepting".
2859 * src/tables.c (action_row): If lr.default_rules is not "all",
2860 then disable default rules in inconsistent states.
2861 * src/print.c (print_reductions): Use this opportunity to
2862 perform some assertions about whether lr.default_rules was
2863 obeyed correctly.
2864 * tests/local.at (AT_TEST_TABLES_AND_PARSE): New macro that
2865 helps with checking the parser tables for a grammar.
2866 * tests/input.at (%define lr.default_rules invalid values): New
2867 test group.
2868 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): New macro using
2869 AT_TEST_TABLES_AND_PARSE.
2870 (`no %define lr.default_rules'): New test group generated by
2871 AT_TEST_LR_DEFAULT_RULES.
2872 (`%define lr.default_rules "all"'): Likewise.
2873 (`%define lr.default_rules "consistent"'): Likewise.
2874 (`%define lr.default_rules "accepting"'): Likewise.
2875
2876 2009-04-20 Akim Demaille <demaille@gostai.com>
2877
2878 Consistently refer to Yacc, not YACC.
2879 * src/getargs.c (usage, warnings_args): s/YACC/Yacc/.
2880
2881 2009-04-17 Joel E. Denny <jdenny@ces.clemson.edu>
2882
2883 Pacify make maintainer-check-posix.
2884 * tests/input.at (%define, --define): Move bison command-line
2885 options before grammar file name.
2886
2887 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2888
2889 Document semicolon warnings.
2890 * NEWS (2.5): Here.
2891
2892 2008-12-08 Akim Demaille <demaille@gostai.com>
2893
2894 Fix portability issue in the test suite.
2895 * tests/local.at (AT_MATCHES_CHECK): New.
2896 Based on Perl instead of Sed. Sed has too many portability
2897 pitfalls, not ever Sed is GNU Sed.
2898 * tests/actions.at (Fix user actions without a trailing semicolon):
2899 Use it.
2900
2901 2008-12-07 Di-an Jan <dianj@freeshell.org>
2902
2903 Implement the FIXME that ends an user action with a semicolon
2904 if it seems necessary.
2905 * src/scan-code.l (flex rules section): Flag cpp directive from
2906 any `#' to the first unescaped end-of-line. Semicolon is not
2907 needed after `;', `{', '}', or cpp directives and is needed after
2908 any other token (whitespaces and comments have no effect).
2909 * tests/actions.at (Fix user actions without a trailing semicolon):
2910 New test.
2911 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
2912 to make user actions complete statements.
2913 Adjust column numbers in error messages.
2914 * tests/regression.at (Fix user actions without a trailing semicolon):
2915 Remove. Covered by new test.
2916
2917 2009-04-14 Akim Demaille <demaille@gostai.com>
2918
2919 doc: minor fixes.
2920 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
2921 (Table of Symbols): Remove duplicate entry for %debug.
2922
2923 2009-04-10 Eric Blake <ebb9@byu.net>
2924
2925 submodules: update to latest
2926 * submodules/autoconf: Use latest upstream Autoconf.
2927
2928 2009-04-06 Eric Blake <ebb9@byu.net>
2929
2930 Work around autoconf 2.63b bug in testsuite.
2931 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
2932 autoconf bug related to # in test.
2933
2934 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2935
2936 * NEWS (2.5): Describe new -D/--define feature.
2937
2938 2008-11-10 Akim Demaille <demaille@gostai.com>
2939
2940 --trace=muscles
2941 * src/getargs.h, src/getargs.c (trace_muscle): New.
2942 (trace_types, trace_args): Support it.
2943 * src/output.c (output_skeleton): Use it.
2944
2945 2008-11-10 Akim Demaille <demaille@gostai.com>
2946
2947 muscles_output.
2948 * src/output.c (muscles_output): New, extracted from...
2949 (output_skeleton): here.
2950 Adjust.
2951
2952 2008-11-21 Akim Demaille <demaille@gostai.com>
2953
2954 Display the changes in cross-options.texi.
2955 * build-aux/cross-options.pl ($sep): New, to separate items.
2956 * doc/Makefile.am ($(srcdir)/cross-options.texi): Use diff to display
2957 the changes.
2958
2959 2008-11-20 Di-an Jan <dianj@freeshell.org>
2960
2961 Improves options in the manual.
2962 * doc/bison.texinfo (-g, -x): Add space before argument.
2963 (Option Cross Key): Implement FIXME: listing directives also.
2964 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
2965 (Short Option): Special case -d. Put arguments inside @option.
2966 (Bison Directive): Add column, automatically extracted from
2967 src/scan-gram.l (actual name passed as the first argument)
2968 with special case for %define.
2969 * doc/Makefile.am (doc/cross-options.texi): Pass src/scan-gram.l
2970 to build-aux/cross-options.pl.
2971 * src/getargs.c (usage): Document limitations of cross-options.pl.
2972 * src/scan-gram.l: Likewise.
2973
2974 2009-02-25 Akim Demaille <demaille@gostai.com>
2975
2976 Copyright years.
2977 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
2978
2979 2008-12-08 Akim Demaille <demaille@gostai.com>
2980
2981 Install autoconf as a submodule to get m4sugar.
2982 * .gitmodules: Add submodules/autoconf.
2983 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
2984 submodules/autoconf.
2985
2986 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2987
2988 Simplify last patch slightly.
2989 * src/getargs.c (getargs): Here.
2990
2991 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2992
2993 Fix last warning from --enable-gcc-warnings.
2994 * src/getargs.c (getargs): Don't assign const address to non-const
2995 pointer.
2996
2997 2008-11-17 Di-an Jan <dianj@freeshell.org>
2998
2999 Handle --enable-gcc-warnings.
3000 * src/getargs.c (command_line_location): Set parameters to void.
3001
3002 2008-11-11 Akim Demaille <demaille@gostai.com>
3003
3004 AT_FULL_COMPILE.
3005 * tests/actions.at, tests/regression.at: Use it.
3006
3007 2008-11-07 Akim Demaille <demaille@gostai.com>
3008
3009 Pass command line location to skeleton_arg and language_argmatch.
3010 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
3011 The location argument is now mandatory.
3012 Adjust all dependencies.
3013 (getargs): Use command_line_location.
3014
3015 2008-11-07 Akim Demaille <demaille@gostai.com>
3016
3017 -D, --define.
3018 * src/getargs.c (usage): Document -D.
3019 Fix help string for --locations.
3020 (command_line_location): New.
3021 (short_options, long_options, getargs): Support -D, --define.
3022 (getargs): Move -d support at the right place.
3023 * doc/bison.texinfo (Bison Options): Update.
3024 * tests/input.at (%define, --define): New.
3025
3026 2008-11-07 Akim Demaille <demaille@gostai.com>
3027
3028 Initialize the muscle table before parsing the command line.
3029 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
3030 (getargs): Define file_name.
3031 * src/main.c (main): Initialize muscle_tab before calling
3032 getargs.
3033 * src/muscle_tab.c (muscle_init): No longer define file_name, as
3034 its value is not available yet.
3035
3036 2008-11-09 Akim Demaille <demaille@gostai.com>
3037
3038 Require the generation of parse-gram.output.
3039 * src/Makefile.am (YACC): Pass --report=all.
3040
3041 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
3042
3043 * NEWS (2.5): New stub.
3044
3045 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
3046
3047 Fix options documentation.
3048 * build-aux/cross-options.pl: As in --help output, write optional
3049 arguments as [=ARG] not =[ARG].
3050 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
3051
3052 2008-11-07 Akim Demaille <demaille@gostai.com>
3053
3054 Fix --help.
3055 * src/getargs.c (usage): Fix help string for -W.
3056
3057 2008-11-07 Akim Demaille <demaille@gostai.com>
3058
3059 Handle more general types of option arguments.
3060 * build-aux/cross-options.pl: The argument ends at the first
3061 space, not the first non-symbol character.
3062 Use @var for each word appearing the argument description.
3063
3064 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
3065
3066 Remove spurious initial empty lines.
3067 * data/location.cc: End the @output lines with an @.
3068
3069 2008-11-04 Akim Demaille <demaille@gostai.com>
3070
3071 Remove spurious initial empty lines.
3072 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
3073 * data/yacc.c: End the @output lines with an @.
3074
3075 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
3076
3077 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
3078 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
3079 requirements for a correct m4 are stricter.
3080 * m4/m4.m4: Replace with Autoconf 2.63's m4/m4.m4.
3081 * configure.ac: Update to use AC_PROG_GNU_M4.
3082 Reported by Eric Blake.
3083
3084 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
3085
3086 Help with updating web manual.
3087 * HACKING: Incorporate instructions from gnulib/doc/README.
3088 * bootstrap.conf (gnulib_modules): Add gendocs.
3089
3090 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
3091
3092 Fix strange %define locations for default values.
3093 Reported by Akim Demaille at
3094 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
3095 and discussed again starting at
3096 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
3097 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
3098 because location information is bogus.
3099 Use angle brackets to delimit fake file name because square brackets
3100 look like underexpanded m4. Choose a better fake file name.
3101 Use negative line numbers.
3102 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
3103 * src/location.c (location_print): If line for a boundary is negative,
3104 only print that boundary's file name.
3105 * src/location.h: Document that.
3106 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3107 defaults): Update output.
3108
3109 2008-11-07 Akim Demaille <demaille@gostai.com>
3110
3111 Locations without columns for command line arguments.
3112 * src/location.c (location_print): Don't display negative columns.
3113 * src/location.h: Document this.
3114
3115 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
3116
3117 Add reminder about uploading public key to keys.gnupg.net.
3118 * HACKING (Release Procedure): Here.
3119
3120 2009-03-31 Akim Demaille <demaille@gostai.com>
3121
3122 bootstrap: --help to stdout.
3123 * bootstrap (usage): Don't send --help to stderr.
3124 Use a here doc instead of a long string.
3125
3126 2009-03-31 Akim Demaille <demaille@gostai.com>
3127
3128 bootstrap: README-hacking no longer exists
3129 * bootstrap (checkout_only_file): Set to HACKING.
3130
3131 2009-03-26 Akim Demaille <demaille@gostai.com>
3132
3133 doc: merge HACKING and README-hacking.
3134 Two files is confusing.
3135 Reported by Alexandre Duret-Lutz.
3136
3137 * README-hacking: Merge into...
3138 * HACKING (Working from the repository): here.
3139
3140 2009-03-26 Akim Demaille <demaille@gostai.com>
3141
3142 doc: update README-hacking.
3143 * README-hacking: We now use git and git submodules.
3144 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
3145
3146 2009-03-26 Akim Demaille <demaille@gostai.com>
3147
3148 lalr1.cc: avoid GCC 4.3 warnings.
3149 GCC 4.3 now warns about "a || b && c" and asks for explicit
3150 parentheses.
3151 Reported by Alexandre Duret-Lutz.
3152 * data/location.cc: Update copyright years.
3153 (Position::operator==): Use parens to make precedence explicit.
3154 Compare lines and columns first, as they are more likely to be
3155 different, and they are faster to compare.
3156
3157 2009-03-26 Akim Demaille <demaille@gostai.com>
3158
3159 gnulib: update.
3160 * gnulib: Update to latest.
3161 * lib/Makefile.am (AM_CPPFLAGS): It is now defined by gnulib, so
3162 use +=.
3163
3164 2009-01-08 Akim Demaille <demaille@gostai.com>
3165
3166 Fix grep portability issues.
3167 Grep on Solaris does not support -q.
3168 Reported by Summum Bonum.
3169
3170 * NEWS: Add a stub for 2.4.2.
3171 * THANKS: Add Summum Bonum.
3172 * tests/atlocal.in (EGREP): New.
3173 (CC, CXX, XSLTPROC): Make it possible to override them via
3174 envvars.
3175 * tests/java.at: Use $EGREP instead of egrep.
3176 Use AT_CHECK's ignore instead of grep's -q.
3177
3178 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
3179
3180 Version 2.4.1.
3181 * NEWS: Set version and date.
3182 * lib/Makefile.am: Update copyright year.
3183 * tests/atlocal.in: Update copyright year.
3184
3185 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
3186
3187 Semicolon feature removal is not about future language support.
3188 * NEWS: The semicolon feature is no longer active for newer languages,
3189 so don't claim that it causes trouble for them.
3190
3191 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
3192
3193 * gnulib: Update submodule to HEAD.
3194
3195 2008-12-09 Akim Demaille <demaille@gostai.com>
3196
3197 Update data/README.
3198 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
3199
3200 2008-12-05 Eric Blake <ebb9@byu.net>
3201
3202 Build testsuite with newer autoconf.
3203 * tests/output.at (m4_expand): Don't override in newer autoconf,
3204 where the underlying implementation changed.
3205 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
3206 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
3207 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
3208 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
3209 since some of them contain unbalanced ')'.
3210
3211 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
3212
3213 * NEWS: Clarify a little.
3214
3215 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
3216
3217 * NEWS: Update for recent changes.
3218
3219 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
3220
3221 Fix unexpanded macros in GLR defines file.
3222 Reported by Csaba Raduly at
3223 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
3224 * THANKS (Csaba Raduly): Add.
3225 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
3226 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
3227 lexer in a separate module that includes the defines file.
3228 (AT_CHECK_CALC): Use AT_FULL_COMPILE and request compilation of lexer
3229 source.
3230 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
3231 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
3232 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
3233 (AT_DATA_SOURCE_PROLOGUE): New.
3234 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
3235 (AT_DATA_SOURCE): New.
3236 (AT_FULL_COMPILE): New, copied from master branch and extended to
3237 support an additional source file.
3238
3239 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3240
3241 Don't let maintainer-*-check targets force a version update.
3242 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
3243 handled.
3244
3245 2008-11-17 Di-an Jan <dianj@freeshell.org>
3246
3247 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
3248 Align menus. Adjust word wrapping. Use node names for menu names.
3249 (Examples): Don't abbreviate node names.
3250 (LocalWords): Remove abbreviations.
3251 (Copying): Make description a sentence.
3252 (Java Action Features): Remove period to match the rest of menu.
3253
3254 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
3255
3256 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
3257 * configure.ac: Adjust usage.
3258 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
3259 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
3260 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
3261
3262 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
3263
3264 Don't add a semicolon to actions for %skeleton or %language.
3265 It breaks Java test cases as reported by Akim Demaille.
3266 * src/scan-code.l: Implement.
3267
3268 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
3269
3270 Clean up %skeleton and %language priority implementation.
3271 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
3272 remove static qualifier because others will soon need to see it.
3273 (language_prio): Likewise.
3274 (getargs): Use command_line_prio rather than 0.
3275 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
3276 enum fields.
3277 (skeleton_prio): Extern it.
3278 (language_prio): Extern it.
3279 * src/parse-gram.y: Use grammar_prio rather than 1.
3280
3281 2008-11-04 Akim Demaille <demaille@gostai.com>
3282
3283 * NEWS: Mention the trailing semicolon in action.
3284
3285 2008-11-04 Akim Demaille <demaille@gostai.com>
3286
3287 Reformat NEWS.
3288 * NEWS: Use more outline-mode markup.
3289 Suggested by Jim Meyering.
3290
3291 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
3292
3293 Fix user actions without a trailing semicolon.
3294 Reported by Sergei Steshenko at
3295 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
3296 * THANKS (Sergei Steshenko): Add.
3297 * src/scan-code.l (SC_RULE_ACTION): Fix it.
3298 * tests/regression.at (Fix user actions without a trailing semicolon):
3299 New test case.
3300
3301 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3302
3303 Initiate further development.
3304 * NEWS: Create an empty section for new entries.
3305 * gnulib: Update submodule to HEAD.
3306
3307 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3308
3309 * NEWS: Version 2.4.
3310
3311 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3312
3313 Prepare for next release.
3314 * NEWS: Briefly mention changes since 2.3b.
3315 * README: Say GNU m4 1.4.6, which we've been requiring in release
3316 announcements already, not 1.4.3, which breaks the build.
3317
3318 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3319
3320 Say %language is experimental.
3321 We're thinking of extending it's effect on output file naming. See the
3322 thread at
3323 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
3324 * NEWS: Say it's experimental.
3325 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
3326 recommend it over %skeleton for now.
3327 (Bison Options): Likewise.
3328 (C++ Bison Interface): Use %skeleton not %language.
3329 (Calc++ Parser): Use %skeleton not %language.
3330 * src/getargs.c (usage): Say it's experimental.
3331
3332 2008-11-01 Di-an Jan <dianj@freeshell.org>
3333 Paolo Bonzini <bonzini@gnu.org>
3334
3335 Support all Java parser class modifiers.
3336 * data/java.m4 (b4_percent_define_get3): New.
3337 (b4_final_if, b4_strictfp_if): New.
3338 * data/lalr1.java (final, strictfp, extends, implements): Support.
3339 * doc/bison.texinfo (final, strictfp, extends, implements): Add
3340 documentation.
3341 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
3342 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
3343 (AT_CHECK_JAVA_GREP): New.
3344 (Java parser class modifiers): New test.
3345 (Java parser class extends and implements): New test.
3346
3347 Model exception propagation better with throws and lex_throws.
3348 * data/java.m4 (b4_list2): New.
3349 (throws): Change default.
3350 * data/lalr1.java (yyaction): Add throws.
3351 (parse): Add lex_throws in addition to throws.
3352 * doc/bison.texinfo (throws, lex_throws): Add documentation.
3353 * tests/java.at (Java throws specifications): New test.
3354
3355 Improve documentation for Java parsers.
3356 * doc/bison.texinfo (Java Parsers): Add subsections.
3357 Don't quote first argument of %define.
3358 (Java Bison Interface): Document output files. Move documentation
3359 of parser class and merge into Java Parser Interface. Document
3360 features that error out. Document directives with no effect.
3361 Move note about Javadoc higher.
3362 (Java Semantic Values): Explicitly mention stype.
3363 Document that generic types cannot be used.
3364 (Java Location Values): Use @deftypeivar. Document constructors.
3365 Correct return value for toString.
3366 (Java Parser Interface): List undocumented constants/fields.
3367 Move documentation of fields added by %parse-param closer to list
3368 of members. Document that token names are added as fields.
3369 Document constructors accurately. Remove error method.
3370 (Java Scanner Interface): Move note on %pure-parser to Java Bison
3371 Interface. Describe %code lexer and yylex accutately.
3372 Remove documentation that does not match the code.
3373 (Java Action Features): New.
3374 (Java Differences): Add reference. Add item on semantic values.
3375 Add note about @{ ... @}. Clarify %% epilogue placement.
3376 (Java Declarations Summary): New.
3377
3378 Fix Java skeleton.
3379 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
3380 (b4_remove_comma): Quote test argument.
3381 (b4_identification): Remove "bison" field.
3382 * tests/java.at (Java parser class and package names): New test.
3383 (Java %parse-param and %lex-param): New test.
3384 (Java stype, position_class and location_class): New test.
3385
3386 2008-10-31 Di-an Jan <dianj@freeshell.org>
3387
3388 * data/lalr1.jave: Update copyright years.
3389 (YYParser): Correct name of "generated from" file in Javadoc:
3390 use b4_file_name instead of @ofile@.
3391 (Location constructor): Correct Javadoc parameter name.
3392 (yylloc): Add missing opening m4 quote after b4_location_if.
3393 This removes a stray [ in the Javadoc of Lexer.getStartPos.
3394 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
3395 (YYParser constructor): Correct Javadoc parameter name.
3396
3397 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
3398
3399 Always put auxiliary code files in the same dir as other output files.
3400 * src/files.c (compute_file_name_parts): When the user specifies
3401 --output but not --file-prefix, extract the directory prefix from the
3402 file prefix not from the grammar file name. This affects the location
3403 of files like location.hh generated by the C++ skeleton. The includes
3404 in the other output files require this fix.
3405 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
3406 for expected output files.
3407 (Output files): Add a test for the above.
3408
3409 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
3410
3411 * gnulib: Update submodule to HEAD.
3412
3413 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3414
3415 Update copyright year.
3416 * src/files.c: Here.
3417
3418 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
3419
3420 Don't overwrite the input file.
3421 * src/files.c (output_file_name_check): Fatal error if using input file
3422 for output.
3423 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
3424 argument.
3425 (Conflicting output files): Add test.
3426
3427 2008-10-28 Akim Demaille <demaille@gostai.com>
3428
3429 Space changes.
3430 * data/lalr1.cc: Formatting changes.
3431
3432 2008-10-28 Akim Demaille <demaille@gostai.com>
3433
3434 Don't define debugging functions when !YYDEBUG.
3435 * data/lalr1.cc (debug_stream, set_debug_stream)
3436 (debug_level_type, debug_level, set_debug_level): Don't
3437 declare them when YYDEBUG is not defined.
3438 The implementation are already YYDEBUG-aware.
3439
3440 2008-10-28 Akim Demaille <demaille@gostai.com>
3441
3442 Prefer "continue" for empty loop bodies.
3443 * etc/bench.pl.in: Use "continue" instead of {}.
3444
3445 2008-10-28 Akim Demaille <demaille@gostai.com>
3446
3447 Space and comments changes.
3448 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
3449 * data/c.m4, data/lalr1.cc: Space changes.
3450
3451 2008-10-28 Akim Demaille <demaille@gostai.com>
3452
3453 Make gnulib a submodule.
3454 * gnulib: New.
3455 * .gitmodules (gnulib): New.
3456
3457 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
3458
3459 Fix yyerror_range for user-defined location type in C++. Reported by
3460 Georg Sauthoff at
3461 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
3462 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
3463 * THANKS (Georg Sauthoff): Add.
3464
3465 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
3466
3467 Update several administrative files mainly to facilitate releasing.
3468 * HACKING (Administrivia): Make the git-merge-changelog notes more
3469 helpful.
3470 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
3471 (Release Procedure): Update for git and add numerous details that were
3472 previously missing.
3473 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
3474 * maint.mk (announcement): Don't list bison as a bootstrap tool so
3475 that announcements don't claim we bootstrapped with whatever bison
3476 happened to be in PATH. Add flex as a bootstrap tool.
3477 * Makefile.maint: Remove, previously replaced by maint.mk.
3478 * Makefile.cfg: Remove, and migrate settings to...
3479 * cfg.mk: ... here for the sake of `make announcement'.
3480 * bootstrap.conf (gnulib_modules): Add announce-gen.
3481 * README: Say GNU Bison instead of just Bison. Suggested by Karl
3482 Berry.
3483
3484 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
3485
3486 Small but important bugfixes for the Java skeleton.
3487 * data/lalr1.java (yyerror): Change Location to b4_location_type.
3488 (yy_symbol_print): Call toString on yyvaluep.
3489
3490 2008-08-29 Akim Demaille <demaille@gostai.com>
3491
3492 Clarify UPDATED use.
3493 * doc/bison.texinfo: It refers to the last edition of this file,
3494 not to the release date of Bison.
3495 Reported by Joel E. Denny.
3496
3497 2008-08-29 Akim Demaille <demaille@gostai.com>
3498
3499 * README: Update FAQ pointer.
3500 Reported by Joel E. Denny.
3501
3502 2008-08-27 Eric Blake <ebb9@byu.net>
3503
3504 Resync m4sugar from autoconf.
3505 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
3506 (m4_init): Adjust to latest m4.git changes.
3507 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
3508 effects.
3509 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
3510 (_m4_list_cmp): Reduce side effects.
3511
3512 2008-08-27 Akim Demaille <demaille@gostai.com>
3513
3514 Check yyerrok in calc.at.
3515 * tests/calc.at (calc.y): Use yyerrok on "( error )".
3516 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
3517 expected.
3518
3519 2008-08-27 Akim Demaille <demaille@gostai.com>
3520
3521 Support yyerrok in lalr1.cc.
3522 YYBACKUP is still to import back into lalr1.cc.
3523 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
3524
3525 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
3526
3527 For maintainer-check*, don't recompile for a $(VERSION) update.
3528 * cfg.mk: New file.
3529 (_is-dist-target): Override the one in GNUmakefile.
3530 * Makefile.am (EXTRA_DIST): Add cfg.mk.
3531
3532 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
3533
3534 Update for recent change to gnulib.
3535 * src/parse-gram.y: Don't include strverscmp.h. It comes from
3536 string.h now.
3537
3538 2008-08-15 Eric Blake <ebb9@byu.net>
3539
3540 Remaining m4sugar merge from autoconf.
3541 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
3542 * data/m4sugar/foreach.m4: New file, copied from autoconf.
3543 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
3544 * src/output.c (output_skeleton): Tell m4 how to find it.
3545
3546 Partial m4sugar merge from autoconf: m4_map.
3547 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
3548 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
3549 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
3550 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
3551 for empty list.
3552 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
3553 Likewise.
3554 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
3555 declares it.
3556
3557 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
3558
3559 Keep .version and PACKAGE_VERSION in sync.
3560 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
3561 dependency, and add comments justifying this in more detail. Discussed
3562 starting at
3563 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
3564
3565 2008-08-06 Eric Blake <ebb9@byu.net>
3566
3567 Partial m4sugar merge from autoconf: m4_shiftn.
3568 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
3569 (m4_shift2, m4_shift3): New macros.
3570 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
3571 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
3572 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
3573 * data/java.m4 (b4_remove_comma): Likewise.
3574
3575 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
3576 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
3577 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
3578 (m4_init): Consolidate wrapped text into single m4_wrap.
3579 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
3580 in wrapped text.
3581
3582 2008-08-05 Eric Blake <ebb9@byu.net>
3583
3584 Partial m4sugar merge from autoconf: builtins, version.m4.
3585 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
3586 (m4_prepend): Remove, as it is unused and inherently quadratic,
3587 whereas m4_append is linear in newer m4.
3588 (m4_mkstemp): New builtin.
3589 (m4_symbols): Make rename conditional.
3590 (m4_version_prereq): Ensure fatal error if used in bison, which
3591 intentionally lacks version.m4.
3592
3593 Fix comments in m4sugar.
3594 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
3595
3596 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3597
3598 Update for recent .gitignore fix in Gnulib.
3599 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
3600 anchored .gitignore entries.
3601
3602 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3603
3604 Set gnu or gnits strictness.
3605 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
3606 development and gnits strictness for releases. Based on Eric Blake's
3607 suggestion at
3608 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
3609
3610 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3611
3612 * NEWS: Clarify documentation of %language.
3613
3614 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3615
3616 Support usage of git-merge-changelog.
3617 * .gitattributes: New.
3618 * HACKING: Document usage of git-merge-changelog.
3619 * bootstrap: Install git-merge-changelog entries in .git/config
3620 if appropriate.
3621
3622 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3623
3624 Remove remaining dependence on CVS Id keyword.
3625 * ChangeLog: For the sake of people still using CVS, don't use dollars
3626 when mentioning Id.
3627 * data/xslt/bison.xsl: Remove Id from header comments, where it was
3628 unusual anyway.
3629 * data/xslt/xml2dot.xsl: Likewise.
3630 * data/xslt/xml2text.xsl: Likewise.
3631 * data/xslt/xml2xhtml.xsl: Likewise.
3632 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
3633 * doc/Makefile.am (neutralize): Remove, no longer needed.
3634 (.x.1): Don't use neutralize.
3635 (edit): Don't substitute for ID.
3636 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
3637
3638 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3639
3640 Fix dependence on computed configure variables.
3641 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
3642 $(top_srcdir)/configure.ac so that changes to computed variables, such
3643 as PACKAGE_VERSION, are seen.
3644 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
3645
3646 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
3647
3648 Update copyright dates for recent changes.
3649 * Makefile.am: Here.
3650 * src/Makefile.am: Here.
3651 * src/reduce.c: Here.
3652 * tests/reduce.at: Here.
3653
3654 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
3655
3656 Use git-version-gen for version names between releases.
3657 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
3658 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
3659 * .prev-version: New.
3660 * .version.in: Remove.
3661 * ChangeLog: Remove the Id previously used for capturing the CVS
3662 revision.
3663 * GNUmakefile: Remove, now copied from Gnulib.
3664 * Makefile.am: Add code suggested by comments in
3665 build-aux/git-version-gen.
3666 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
3667 .prev-version, and .version.
3668 * NEWS (2.3b+): Rename to...
3669 (?.?): ... this because we're dropping the "+" version naming scheme,
3670 but, in general, we still can't be sure of our next release name.
3671 * bootstrap: Add a quick hack to remove from .gitignore the
3672 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
3673 entry. This should really be fixed in gnulib instead.
3674 * bootstrap.conf (gnulib_modules): Add gnumakefile.
3675 * configure.ac (AC_INIT): Set version name by invoking
3676 build-aux/git-version-gen.
3677 (AC_CONFIG_FILES): Remove .version, now generated by
3678 build-aux/git-version-gen.
3679 * maint.mk: New, copied from coreutils.
3680 * doc/.cvsignore (bison.1): Add.
3681 * doc/.gitignore (/bison.1): Add.
3682 * doc/bison.1: Remove, generated.
3683 * src/.cvsignore (revision.c): Remove.
3684 * src/.gitignore (/revision.c): Remove.
3685 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
3686 (BUILT_SOURCES): Remove revision.c.
3687 (revision.c): Remove.
3688 * src/getargs.c (version): Don't print revision after the VERSION.
3689 * src/revision.h: Remove.
3690
3691 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3692
3693 Fix untranslatable composition of sentences. Reported by Goran
3694 Uddeborg at
3695 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
3696 * THANKS (Goran Uddeborg): Add.
3697 * src/reduce.c (reduce_print): Report the number of nonterminals and
3698 rules useless in the grammar in separate sentences.
3699 * tests/reduce.at (Useless Rules): Update output.
3700 (Reduced Automaton): Likewise.
3701 (Underivable Rules): Likewise.
3702 (Empty Language): Likewise.
3703
3704 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
3705
3706 Fix some .gitignore and .cvsignore problems.
3707 * bootstrap (insert_sorted_if_absent): Replace all uses with...
3708 (insert_vc_ignore): ... this new function, which prepends `/' to all
3709 .gitignore entries before passing them to insert_sorted_if_absent.
3710 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
3711 .cvsignore files are maintained even though Bison developers run
3712 bootstrap while using Git.
3713 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
3714 unneeded by Bison.
3715 (gnulib): Add.
3716 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
3717 unneeded. Reported by Eric Blake.
3718 * lib/.gitignore (/*~): Add.
3719 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
3720 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
3721 Blake.
3722 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
3723
3724 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
3725
3726 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
3727 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
3728 * bootstrap.conf (gnulib_modules): Add unsetenv.
3729 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
3730 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
3731 (/setenv.m4): Add.
3732 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
3733 the first argument because it may become position-dependent, and unset
3734 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
3735 Add comments explaining these issues in more detail.
3736
3737 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
3738
3739 Add .gitignore everywhere based on .cvsignore.
3740 * .gitignore: New.
3741 * build-aux/.gitignore: New.
3742 * data/.gitignore: New.
3743 * doc/.gitignore: New.
3744 * etc/.gitignore: New.
3745 * examples/.gitignore: New.
3746 * examples/calc++/.gitignore: New.
3747 * lib/.gitignore: New.
3748 * m4/.gitignore: New.
3749 * po/.gitignore: New.
3750 * runtime-po/.gitignore: New.
3751 * src/.gitignore: New.
3752 * tests/.gitignore: New.
3753
3754 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3755
3756 * NEWS (2.3b+): New section, empty for now.
3757 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
3758
3759 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3760
3761 * NEWS (2.3b): Update release date since there has been a delay in
3762 getting the announcements and tarballs out.
3763
3764 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
3765
3766 * NEWS: Version 2.3b.
3767 * configure.ac (AC_INIT): Likewise.
3768 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
3769
3770 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
3771
3772 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
3773 been doing it for years.
3774 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
3775 (Release Procedure): Add FIXME about make alpha being unmaintained.
3776
3777 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
3778
3779 * data/yacc.c: Reformat m4 a little for readability.
3780 * src/lalr.c (build_relations): Correct comment.
3781
3782 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3783
3784 DJGPP specific issue.
3785 * djgpp/config.sed: Fixes required to run configure scripts generated
3786 by autoconf 2.62.
3787
3788 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3789
3790 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
3791 coordinator@translationproject.org.
3792
3793 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3794
3795 * THANKS: Add Eric Blake.
3796
3797 2008-04-23 Eric Blake <ebb9@byu.net>
3798
3799 Revert prior patch, by working around autoconf regression.
3800 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
3801 ("Output file name: ("): Uncomment test.
3802 ("Output file name: )"): Likewise.
3803 Based on an idea from Noah Misch.
3804
3805 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3806
3807 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
3808 2.61. Reported by Juan Manuel Guerrero at
3809 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
3810 * tests/output.at ("Output file name: ("): Comment out test case for
3811 now.
3812 ("Output file name: )"): Likewise.
3813
3814 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3815
3816 * GNUmakefile: Update git-version-gen invocation so make dist
3817 succeeds.
3818
3819 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3820
3821 Update to the current gnulib CVS repository, and fix trigraph handling
3822 in Bison.
3823 * bootstrap: Update gnulib CVS repository URL.
3824 (symlink_to_dir): Encapsulate the code that guarantees the destination
3825 directory exists into...
3826 (check_dst_dir): ... this new function, and...
3827 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
3828 fail when copying files into lib/uniwidth/.
3829 * src/output.c (prepare_symbols): When writing yytname muscles, where
3830 symbol names will be encoded in C-string literals, tell quotearg to
3831 escape trigraphs. This used to be the default in gnulib.
3832 * tests/regression.at (Token definitions): Because of the change in
3833 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
3834 escapes trigraphs in symbol names. Thus, yytname no longer has
3835 trigraphs unnecessarily doubly escaped. Update test case output.
3836 Extend test case to be sure Bison's own error messages will no longer
3837 have trigraphs in symbol names unnecessarily escaped once.
3838
3839 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
3840
3841 Fix make dist infinite loop reported by Juan Manuel Guerrero at
3842 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
3843 * .cvsignore: Add .version.
3844 * .version.in: New.
3845 * bootstrap.conf (gnulib_modules): Add git-version-gen.
3846 * configure.ac (AC_CONFIG_FILES): Add .version.
3847 * build-aux/.cvsignore: Add git-version-gen.
3848
3849 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
3850
3851 * NEWS (2.3a+): Mention that -g now takes an argument.
3852 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
3853 consistency. Update the -g and -x entries now that they take
3854 arguments. Use brackets to indicate optional arguments.
3855 * src/getargs.c (usage): Explain the relationship between arguments of
3856 long and short options more completely. Document --defines and -d
3857 separately since the former takes an argument but, for POSIX Yacc, the
3858 latter does not.
3859 (short_options): Let -W take an optional argument like --warnings.
3860 (getargs): Sort cases.
3861
3862 2008-02-28 Akim Demaille <demaille@gostai.com>
3863
3864 * doc/bison.texinfo: Fix a few typos.
3865
3866 2008-02-28 Akim Demaille <akim@epita.fr>
3867
3868 * doc/bison.texinfo (Bison Options): Document -W.
3869 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
3870
3871 2008-02-28 Akim Demaille <akim@epita.fr>
3872
3873 * src/getargs.c (short_options): Split and sort for readability.
3874 -g and -x take optional arguments, just like their long options.
3875 * build-aux/cross-options.pl: Use /x to make the regexp easier to
3876 understand.
3877 Fix the handling of $opt which resulted in all the argument to be
3878 considered as optional.
3879
3880 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
3881
3882 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
3883 say its interface is experimental.
3884 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
3885 Java.
3886 (Bison Options): In the -L and --language entry, mention Java.
3887 (Java Bison Interface): Say the interface is experimental.
3888 * src/getargs.c (usage): Mention -L and --language.
3889
3890 * NEWS (2.3a+): Say the push parsing interface is experimental.
3891 * doc/bison.texinfo (Push Decl): Likewise.
3892 (Decl Summary): Likewise in the "%define api.push_pull" entry.
3893 (Push Parser Function): Likewise.
3894 (Pull Parser Function): Likewise.
3895 (Parser Create Function): Likewise.
3896 (Parser Delete Function): Likewise.
3897 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
3898 yypull_parse, and yypush_parse entries.
3899
3900 * NEWS (2.3a+): Mention XML support, and say the schema is
3901 experimental.
3902 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
3903 * src/getargs.c (usage): Say the XML schema is experimental.
3904
3905 * NEWS (2.3a+): Say option instead of flag.
3906
3907 2008-02-21 Wojciech Polak <polak@gnu.org>
3908
3909 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
3910 text.
3911
3912 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
3913
3914 Fix impure push parser compile error reported by Bob Rossi at
3915 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
3916 * data/yacc.c: Clean up whitespace in the output a little.
3917 (yypstate_allocated): Define for impure push parsers regardless of
3918 whether the pull interface is also requested.
3919 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
3920 check impure push parsers without the pull interface.
3921
3922 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
3923 yyerror takes arguments specified by %parse-param while yypstate_new
3924 does not.
3925 * doc/bison.texinfo (Parser Create Function): Document that
3926 yypstate_new returns 0 for multiple impure parser instances.
3927 * tests/push.at (Push Parsing: Multiple impure instances): Update
3928 expected stderr output.
3929
3930 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3931
3932 * runtime-po/POTFILES.in (push.c): Remove.
3933
3934 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
3935
3936 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
3937 * data/push.c: Rename to...
3938 * data/yacc.c: ... this, overwriting it.
3939 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
3940 `%push-pull-parser' -> `%define api.push_pull "both"'.
3941 Remove old yacc.c tests, and update push.c tests to yacc.c.
3942
3943 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
3944
3945 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
3946 `"%code top" blocks' instead of `%code "top" blocks'.
3947 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
3948 Clean up whitespace in the output a little.
3949
3950 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
3951
3952 Fix documentation problems reported by Tim Josling at
3953 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
3954 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
3955 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
3956 integers. Explain the effect of literal string aliases on error
3957 messages. Copy token 0 documentation from the C++ skeleton
3958 documentation.
3959
3960 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
3961
3962 Accept a token number in a %left, %right, or %nonassoc for POSIX
3963 conformance. Reported by Tim Josling at
3964 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
3965 * NEWS (2.3a+): Mention.
3966 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
3967 and code numbers are treated by precedence declarations.
3968 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
3969 of symbols.1.
3970 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
3971 of symbol.
3972 (symbol.prec): New, just like symbol but allows INT.
3973 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
3974 longer holds.
3975 * tests/regression.at (Token number in precedence declaration): New
3976 test case.
3977
3978 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3979
3980 DJGPP specific issues.
3981 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
3982 be changed. Copyright timestamp adjusted.
3983 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
3984 be changed. Copyright timestamp adjusted.
3985 * djgpp/config.site: Copyright timestamp adjusted.
3986 * djgpp/config_h.sed: Copyright timestamp adjusted.
3987 * djgpp/djunpack.bat: Copyright timestamp adjusted.
3988 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
3989 filename translation list.
3990 * djgpp/subpipe.c (init_subpipe): Check the environment variables
3991 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
3992 files shall be created. Before trying to use the temp dir where the
3993 environment variable points to check that the dir really exists. If
3994 not default to the cwd as temp dir. Copyright timestamp adjusted.
3995 * djgpp/subpipe.h: Copyright timestamp adjusted.
3996 * djgpp/testsuite.sed: Copyright timestamp adjusted.
3997
3998 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
3999
4000 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
4001
4002 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
4003
4004 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
4005 Problem reported by Claudio Saavedra in
4006 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
4007
4008 2008-01-05 Wojciech Polak <polak@gnu.org>
4009
4010 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
4011 document's title with the input grammar file name.
4012
4013 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
4014
4015 Automate regression testing of the XML/XSLT implementation. Discussed
4016 starting at
4017 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
4018 * configure.ac (XSLTPROC): New substitution.
4019 * Makefile.am (maintainer-xml-check): New phony target invoking...
4020 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
4021 invoking make maintainer-check with BISON_TEST_XML=1.
4022 * tests/atlocal.in (XSLTPROC): New.
4023 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
4024 not to report reachable memory when Bison is expected to have a
4025 non-zero exit status and (2) to compare XML/XSLT output with --graph
4026 and --report=all output for every working grammar when
4027 BISON_TEST_XML=1.
4028 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
4029 (AT_BISON_CHECK_XML): New.
4030 (AT_QUELL_VALGRIND): New.
4031 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
4032 (AT_CHECK): ... don't redefine this since this was the old way to
4033 quell Valgrind.
4034 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
4035 AT_BISON_CHECK invocations.
4036 * tests/c++.at: Likewise.
4037 * tests/calc.at: Likewise.
4038 * tests/conflicts.at: Likewise.
4039 * tests/cxx-type.at: Likewise.
4040 * tests/existing.at: Likewise.
4041 * tests/glr-regression.at: Likewise.
4042 * tests/headers.at: Likewise.
4043 * tests/input.at: Likewise.
4044 * tests/java.at: Likewise.
4045 * tests/output.at: Likewise.
4046 * tests/push.at: Likewise.
4047 * tests/reduce.at: Likewise.
4048 * tests/regression.at: Likewise.
4049 * tests/sets.at: Likewise.
4050 * tests/skeletons.at: Likewise.
4051 * tests/synclines.at: Likewise.
4052 * tests/torture.at: Likewise.
4053 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
4054 tends to hang xsltproc.
4055 (Big horizontal): Likewise.
4056
4057 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
4058
4059 In XML output, remove redundant class attribute on symbol element.
4060 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
4061 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
4062 look up a symbol to determine whether it's a nonterminal or terminal.
4063 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
4064 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
4065
4066 Add prec/assoc information to XML output.
4067 * src/gram.c (grammar_rules_print_xml): For each rule that has a
4068 %prec, add a percent_prec attribute.
4069 * src/print-xml.c (print_grammar): For each terminal that has a
4070 precedence or associativity, add a prec or assoc attribute.
4071 (xml_indent): New.
4072 (xml_puts): Use xml_indent.
4073 (xml_printf): Use xml_indent.
4074 * src/print-xml.h (xml_indent): Prototype.
4075
4076 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
4077 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
4078
4079 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
4080
4081 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
4082 (bison:ruleByNumber): ... this for clarity.
4083 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
4084 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
4085 (xsl:template match="reduction"): Update.
4086 (xsl:template match="item"): Update.
4087 (xsl:template match="reduction"): Update.
4088
4089 In the XML output, don't print the list of rules where symbols appear.
4090 Compute it in XSLT instead. Discussed at
4091 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
4092 * data/xslt/bison.xsl (bison:ruleByLhs): New.
4093 (bison:ruleByRhs): New.
4094 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
4095 bison:ruleByRhs.
4096 (xsl:template match="terminal/rule"): Remove.
4097 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
4098 bison:ruleByRhs.
4099 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
4100 Remove.
4101 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
4102 bison:ruleByRhs and mode="number-link" for rule template.
4103 (xsl:template match="terminal/rule"): Remove.
4104 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
4105 bison:ruleByRhs and mode="number-link" for rule template.
4106 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
4107 Rewrite as...
4108 (xsl:template match="rule" mode="number-link"): ... this.
4109 * src/print-xml.c (print_grammar): Don't print the list of rules.
4110
4111 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
4112
4113 Don't let --report affect XML output; always print all information.
4114 Discussed at
4115 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
4116 * src/conflicts.c (log_resolution): Implement.
4117 * src/print-xml.c (print_core): Implement.
4118 (print_state): Implement.
4119 (print_xml): Implement.
4120
4121 * NEWS (2.3a+): Fix quotes.
4122 * src/parse-gram.y (prologue_declaration): For consistency with -v,
4123 don't let %verbose clear the list specified by --report.
4124
4125 2007-11-26 Akim Demaille <akim@epita.fr>
4126
4127 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
4128
4129 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
4130
4131 In the XML output, list useless and unused symbols and rules with the
4132 useful ones and add a "usefulness" attribute. Discussed starting at
4133 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
4134 * src/gram.c (grammar_rules_partial_print_xml): Remove.
4135 (grammar_rules_print_xml): Print all rules instead of just those
4136 useful in the grammar, and add a "usefulness" attribute.
4137 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
4138 * src/print-xml.c (print_rules_useless_in_parser): Remove.
4139 (print_grammar): Print all nonterminals instead of just useful ones,
4140 and add a "usefulness" attribute to nonterminals and terminals.
4141 (print_xml): Don't print a separate "reductions" or
4142 "rules-useless-in-parser" element.
4143 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
4144 (reduce_xml): Remove.
4145 (reduce_token_unused_in_grammar): New.
4146 (reduce_nonterminal_useless_in_grammar): New.
4147 * src/reduce.h (reduce_xml): Remove prototype.
4148 (reduce_token_unused_in_grammar): Add prototype.
4149 (reduce_nonterminal_useless_in_grammar): Add prototype.
4150 * data/xslt/xml2text.xsl: Update for XML changes.
4151 * data/xslt/xml2xhtml.xsl: Update for XML changes.
4152 * tests/reduce.at (Useless Terminals): Update output.
4153 (Useless Rules): Update output.
4154 (Reduced Automaton): Update output.
4155
4156 Say "Terminals unused in grammar" instead of "Unused terminals".
4157 * NEWS (2.3a+): Update.
4158 * doc/bison.texinfo (Understanding): Update example output.
4159 * src/reduce.c (reduce_output): Implement.
4160 * data/xslt/xml2text.xsl: Implement.
4161 * data/xslt/xml2xhtml.xsl: Implement.
4162
4163 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
4164
4165 Accept --report-file=FILE to override the default `.output' filename.
4166 * NEWS (2.3a+): Mention.
4167 * doc/bison.texinfo (Bison Options): Add an entry.
4168 * src/files.c (compute_output_file_names): Don't override
4169 spec_verbose_file if already set.
4170 * src/getargs.c (usage): Document --report-file.
4171 (REPORT_FILE_OPTION): New anonymous enum member.
4172 (long_options): Add entry for it.
4173 (getargs): Add case for it setting spec_verbose_file.
4174
4175 * build-aux/cross-options.pl: Don't record a short option just because
4176 there's an arg.
4177 * doc/.cvsignore: Add yacc.1.
4178
4179 2007-11-14 Akim Demaille <akim@epita.fr>
4180
4181 * doc/yacc.1.in: New.
4182 * configure.ac, doc/Makefile.am: Adjust.
4183 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
4184 config.h symbol.
4185 Use AC_SUBST for assignments too.
4186 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
4187
4188 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
4189
4190 * src/gram.c: Remove comments that duplicate comments in gram.h.
4191
4192 When reporting useless rules and nonterminals, say "useless in grammar"
4193 instead of "useless", and say "useless in parser" instead of "never
4194 reduced". Discussed starting at
4195 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
4196 * NEWS (2.3a+): Mention this change.
4197 * data/xslt/xml2text.xsl: Update output text and expected input XML
4198 element names to match changes below.
4199 * data/xslt/xml2xhtml.xsl: Likewise.
4200 (xsl:template match="bison-xml-report"): Add missing entry in Table of
4201 Contents: "Rules useless in parser due to conflicts".
4202 * doc/bison.texinfo (Decl Summary): Reword a little.
4203 (Understanding): Update example output for changes below.
4204 * src/gram.c: (rule_useful_p): Rename to...
4205 (rule_useful_in_grammar_p): ... this.
4206 (rule_useless_p): Rename to...
4207 (rule_useless_in_grammar_p): ... this.
4208 (rule_never_reduced_p): Rename to...
4209 (rule_useless_in_parser_p): ... this.
4210 (grammar_rules_print): Update for renames.
4211 (grammar_rules_print_xml): Update for renames.
4212 (grammar_rules_never_reduced_report): Rename to...
4213 (grammar_rules_useless_report): ... this since it is used for either
4214 kind of useless rule.
4215 * src/gram.h: Reword comments and update function names in prototypes.
4216 * src/main.c (main): Say "rule useless in parser due to conflicts".
4217 * src/print-xml.c (print_rules_never_reduced): Rename to...
4218 (print_rules_useless_in_parser): ... this, and rename output XML
4219 element "rules-never-reduced" to "rules-useless-in-parser".
4220 (print_xml): Update for rename.
4221 * src/print.c (print_results): Say "Rules useless in parser due to
4222 conflicts".
4223 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
4224 (nonterminals_reduce): Say "nonterminal useless in grammar".
4225 (reduce_output): Say "Nonterminals useless in grammar".
4226 Say "Rules useless in grammar".
4227 (reduce_xml): Rename output XML element "useless" to
4228 "useless-in-grammar".
4229 (reduce_print): Don't report the count of grammatically useless rules
4230 as "rules never reduced" just because %yacc is specified.
4231 In the correct report of this count, say nonterminal(s) and rule(s)
4232 "useless in grammar".
4233 * tests/conflicts.at (S/R in initial): Update expected output.
4234 (Defaulted Conflicted Reduction): Likewise.
4235 (Unreachable States After Conflict Resolution): Likewise.
4236 * tests/existing.at (GNU pic Grammar): Likewise.
4237 * tests/reduce.at (Useless Nonterminals): Likewise.
4238 (Useless Rules): Likewise.
4239 (Reduced Automaton): Likewise.
4240 (Underivable Rules): Likewise.
4241 (Empty Language): Likewise.
4242
4243 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
4244
4245 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
4246 here document and before the EOF so that BSD's implementation of Bourne
4247 shell doesn't parse the delimiter as part of the here document.
4248 * doc/.cvsignore: Add cross-options.texi.
4249 * src/getargs.c (usage): Add a blank line after the warning categories.
4250
4251 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
4252
4253 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
4254
4255 2007-11-05 Akim Demaille <akim@epita.fr>
4256
4257 Remove Id: from bison.1.
4258 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
4259 (perl -0777 -pi -e 's/\.PP\nId): New.
4260 (.x.1): Use it to ignore the version control revision.
4261
4262 2007-11-05 Akim Demaille <demaille@gostai.com>
4263
4264 * build-aux/Makefile.am: Ship cross-options.pl.
4265 * doc/Makefile.am: Always refer to cross-options.texi with
4266 $(srcdir).
4267 (MAINTAINERCLEANFILES): Add it.
4268
4269 2007-11-04 Akim Demaille <demaille@gostai.com>
4270
4271 Generate the long/short option cross-table.
4272 * build-aux/cross-options.pl: New.
4273 * doc/Makefile.am (cross-options.texi): New.
4274 * doc/bison.texinfo: Use it.
4275
4276 2007-11-04 Akim Demaille <demaille@gostai.com>
4277
4278 Generate bison.1 using help2man.
4279 * doc/common.x, doc/bison.x: New.
4280 * doc/Makefile.am (bison.1, .x.1): New.
4281 The code is taken from autoconf-2.61/man/Makefile.am.
4282 * configure.ac: Look for help2man.
4283
4284 2007-11-04 Akim Demaille <demaille@gostai.com>
4285
4286 Complete --help.
4287 * src/getargs.c (usage): Document -W, make it clear that -d,
4288 -g and -x have optional arguments.
4289
4290 2007-11-04 Akim Demaille <demaille@gostai.com>
4291
4292 Find sha1sum when named gsha1sum.
4293 * bootstrap (find_tool): New.
4294 ($SHA1SUM): New.
4295
4296 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
4297
4298 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
4299 at
4300 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
4301 * NEWS (2.3a+): Mention.
4302 * data/bison.m4 (b4_pure_if): Don't define it here.
4303 * data/c.m4 (b4_identification): Depend on individual skeletons to
4304 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
4305 values of the %define variables api.pure or api.push_pull. Define
4306 YYPURE, YYPUSH, and YYPULL accordingly.
4307 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
4308 glr.cc has already defined b4_pure_flag.
4309 * data/push.c: Define b4_pure_if based on `%define api.pure'.
4310 Remove YYPUSH and YYPULL since they're back in b4_identification again.
4311 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
4312 * doc/bison.texinfo (Pure Decl): Update.
4313 (Push Decl): Update.
4314 (Decl Summary): Add api.pure to %define entry.
4315 In %pure-parser entry, say it's deprecated and reference %define.
4316 (Pure Calling): Update.
4317 (Error Reporting): Update.
4318 (C++ Scanner Interface): Update.
4319 (How Can I Reset the Parser): Update.
4320 (Table of Symbols): In %pure-parser entry, say it's deprecated and
4321 reference %define.
4322 * src/getargs.c (pure_parser): Remove global variable.
4323 * src/getargs.h (pure_parser): Remove extern.
4324 * src/output.c (prepare): Don't define pure_flag muscle.
4325 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
4326 wrapper around `%define api.pure'.
4327 * tests/calc.at (Simple LALR Calculator): Update.
4328 (Simple GLR Calculator): Update.
4329 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
4330 Update.
4331 (GLR: Resolve ambiguity, pure, locations): Update.
4332 (GLR: Merge conflicting parses, pure, no locations): Update.
4333 (GLR: Merge conflicting parses, pure, locations): Update.
4334 * tests/glr-regression.at (Uninitialized location when reporting
4335 ambiguity): Update
4336 * tests/input.at (Unused %define api.pure): New test case.
4337 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
4338 AT_PURE_IF and AT_PURE_AND_LOC_IF.
4339 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
4340
4341 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
4342
4343 %define push_pull -> %define api.push_pull. Discussed starting at
4344 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
4345 * data/push.c: Expect the new name.
4346 * data/yacc.c: Likewise.
4347 * doc/bison.texinfo (Push Decl): Update.
4348 (Decl Summary): Update %define entry.
4349 (Push Parser Function): Update.
4350 (Pull Parser Function): Update.
4351 (Parser Create Function): Update.
4352 (Parser Delete Function): Update.
4353 * tests/calc.at (Simple LALR Calculator): Update.
4354 * tests/input.at (%define enum variables): Update.
4355 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
4356 (Push Parsing: Multiple impure instances): Update.
4357 (Push Parsing: Unsupported Skeletons): Update.
4358 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
4359 (Exploding the Stack Size with Malloc): Update.
4360
4361 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
4362 other entries some.
4363
4364 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
4365
4366 For the XML output's terminal element, rename @number to @token-number,
4367 and add @symbol-number. In the nonterminal element, rename @number to
4368 @symbol-number. Discussed starting at
4369 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
4370 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
4371 renames.
4372 (xsl:template match="nonterminal"): Likewise.
4373 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
4374 (xsl:template match="nonterminal"): Likewise.
4375 * src/print-xml.c (print_grammar): Implement.
4376
4377 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
4378
4379 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
4380 2007-10-11 change, the child elements here are items not rules.
4381 (xsl:template match="item"): New.
4382 (xsl:template match="rule"): Update for new reduced itemset.
4383 (xsl:template match="point"): Remove.
4384 (xsl:template match="empty"): For consistency with --graph, don't
4385 output "/* empty */".
4386 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
4387 line-wrap, don't pass a negative value as first-line-length since this
4388 won't work with the following changes.
4389 (xsl:template name="line-wrap"): Simplify slightly.
4390 (xsl:template name="ws-search"): Eliminate recursion.
4391 * src/print_graph.c (print_core): Don't print a reduction's lookahead
4392 set next to an item whose dot is not at the end of the RHS even if it
4393 happens to be associated with the same rule.
4394
4395 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
4396
4397 Add %define lr.keep_unreachable_states.
4398 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
4399 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
4400 * src/main.c (main): Implement it.
4401 * tests/conflicts.at (Unreachable States After Conflict Resolution):
4402 Extend to test it, and fix a typo.
4403
4404 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
4405
4406 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
4407 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
4408 the example .output text.
4409 * tests/regression.at (Extra lookahead sets in report): Improve wording
4410 of comments.
4411
4412 2007-10-17 Wojciech Polak <polak@gnu.org>
4413
4414 * src/print-xml.c (print_grammar): Renamed
4415 <terminal> and <nonterminal> attributes:
4416 "type" to "number" and "symbol" to "name".
4417 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
4418 Use new attribute names.
4419 (xsl:template match="nonterminal"): Likewise.
4420 * data/xslt/xml2xhtml.xsl: Likewise.
4421
4422 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
4423
4424 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
4425 (Option Cross Key): Likewise.
4426
4427 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
4428 next to an item whose dot is not at the end of the RHS even if it
4429 happens to be associated with the same rule.
4430 * src/print.c (print_core): Likewise.
4431 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
4432 (Resolved SR Conflicts): Update output.
4433 * tests/regression.at (Extra lookahead sets in report): New test case.
4434
4435 2007-10-11 Wojciech Polak <polak@gnu.org>
4436
4437 * src/print-xml.c (print_core): Remove item set
4438 redundancy.
4439 * data/xslt/bison.xsl (bison:ruleNumber): New key.
4440 Improve processing time. Suggested by Joel E. Denny.
4441 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
4442 Write xsl:param "required" attribute as comment.
4443 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
4444 (xsl:template match="rule"): Support new reduced itemset.
4445 (xsl:template match="point"): Remove.
4446 * data/xslt/xml2xhtml.xsl: Likewise.
4447
4448 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
4449
4450 * src/getargs.c (version): Update copyright year.
4451
4452 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
4453
4454 Make xml2dot.xsl and --graph produce the same output.
4455 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
4456 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
4457 escaped later.
4458 (xsl:template name="output-node"): Use the new escape template instead
4459 of the string-replace template directly.
4460 (xsl:template name="output-edge"): Likewise.
4461 (xsl:template name="escape"): New, escapes backslashes and newlines in
4462 addition to quotation marks.
4463 * src/graphviz.c (start_graph, output_node, output_edge): Add
4464 whitespace to output for legibility.
4465
4466 Make xml2text.xsl and --report produce the same output, and remove the
4467 XML "conflicts" element since a conflict summary is easily extracted
4468 from the automaton.
4469 * data/xslt/bison.xsl: New.
4470 (xsl:template match="state" mode="bison:count-conflicts): New.
4471 * data/xslt/xml2text.xsl: Import bison.xsl.
4472 (xsl:template match="bison-xml-report"): Instead of styling the
4473 "conflicts" element, style the "automaton" element with mode
4474 "conflicts". Unlike the former, the latter lists S/R and R/R
4475 conflicts for a state on the same line.
4476 (xsl:template match="conflicts"): Remove.
4477 (xsl:template match="conflict"): Remove.
4478 (xsl:template match="terminal"): Line-wrap the list of rules in which
4479 the terminal is used.
4480 (xsl:template match="nonterminal"): Likewise for nonterminals.
4481 (xsl:template match="automaton" mode="conflicts"): New.
4482 (xsl:template match="state" mode="conflicts"): New.
4483 (xsl:template name="line-wrap"): New.
4484 (xsl:template name="ws-search"): New.
4485 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
4486 (xsl:template match="bison-xml-report"): Instead of styling the
4487 "conflicts" element, style the "automaton" element with mode
4488 "conflicts."
4489 (xsl:template match="conflicts"): Remove.
4490 (xsl:template match="conflict"): Remove.
4491 (xsl:template match="automaton" mode="conflicts"): New.
4492 (xsl:template match="state" mode="conflicts): New.
4493 * src/conflicts.c (conflicts_output_xml): Remove.
4494 * src/conflicts.h (conflicts_output_xml): Remove prototype.
4495 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
4496 * src/print.c (print_grammar): Consistently wrap at the 66th column so
4497 the corresponding XSLT is easier. Also, never wrap between a word and
4498 the comma that follows it.
4499
4500 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
4501
4502 Improve C++ namespace support. Discussed starting at
4503 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
4504 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
4505 b4_namespace_close): New macros that interpret the %define variable
4506 "namespace" so its value can contain "::" to indicate nested
4507 namespaces.
4508 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
4509 the above macros.
4510 * data/lalr1.cc (b4_namespace): Likewise.
4511 * data/location.cc (b4_namespace): Likewise.
4512 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
4513 inside a new table in the general %define entry. Document `%define
4514 namespace' there as well. Point the %name-prefix entry to it since it
4515 explains it more completely in the case of C++.
4516 (C++ Bison Interface): Mention `%define namespace' instead of
4517 %name-prefix.
4518 (Table of Symbols): Remove the `%define push_pull' entry. The %define
4519 entry suffices.
4520 * tests/c++.at (Relative namespace references): New test case.
4521 (Absolute namespace references): New test case.
4522 (Syntactically invalid namespace references): New test case.
4523 * tests/input.at (C++ namespace reference errors): New test case.
4524
4525 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
4526
4527 Add syncline support and location accessor to internal %define
4528 interfaces.
4529 * data/bison.m4 (b4_percent_define_get_loc): New.
4530 (b4_percent_define_get_syncline): New.
4531 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
4532 (b4_percent_define_default): Record defining location as line 1 rather
4533 than 0 for the sake of synchronizing #line's, and define
4534 b4_percent_define_syncline(VARIABLE).
4535 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
4536 * src/muscle_tab.c (muscle_syncline_grow): New.
4537 (muscle_code_grow): Use muscle_syncline_grow.
4538 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
4539 define b4_percent_define_syncline(VARIABLE).
4540 (muscle_percent_define_get_loc): New.
4541 (muscle_percent_define_get_syncline): New.
4542 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
4543 remove some unused variables.
4544 (muscle_percent_define_default): Record defining location as line 1
4545 rather than 0 for the sake of synchronizing #line's, and define
4546 b4_percent_define_syncline(VARIABLE).
4547 (muscle_percent_define_check_values): Use
4548 muscle_percent_define_get_loc.
4549 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
4550 (muscle_percent_define_get_syncline): Prototype.
4551 * tests/skeletons.at (%define Boolean variables: invalid skeleton
4552 defaults): Update output for location change.
4553 (Complaining during macro argument expansion): Extend to test
4554 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
4555
4556 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
4557
4558 Fix some error-reporting macro bugs.
4559 * data/bison.m4 (b4_cat): New.
4560 (b4_error, b4_error_at): Use b4_cat to send error directives directly
4561 to stdout so they don't become arguments to other macros. Update
4562 comments and add examples.
4563 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
4564 add examples.
4565 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
4566 after printing the error directive so that M4 doesn't report subsequent
4567 problems that are induced by this problem.
4568 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
4569 instead of just in them. Recognize @\n in both places. Both expand to
4570 the empty string. Needed by b4_cat.
4571 * tests/skeletons.at (Complaining during macro argument expansion):
4572 New test case.
4573 (Fatal errors make M4 exit immediately): New test case.
4574
4575 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
4576
4577 Implement --print-datadir.
4578 * src/getargs.c (usage): Mention.
4579 (PRINT_DATADIR_OPTION): New anonymous enum member.
4580 (long_options): Add entry for it.
4581 (getargs): Add case for it calling compute_pkgdatadir.
4582 * src/output.c (output_skeleton): Encapsulate data directory
4583 computation from here...
4584 (prepare): ... and from here...
4585 (compute_pkgdatadir): ... into this new function.
4586 * src/output.h (compute_pkgdatadir): Prototype.
4587
4588 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
4589
4590 * src/print-xml.c (escape_bufs): New static global variable
4591 replacing...
4592 (xml_escape_n): ... the static local variable buf here.
4593 (print_xml): Free memory for escape_bufs.
4594 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
4595
4596 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
4597
4598 Replace `%push-parser' and `%push-pull-parser' with
4599 `%define push_pull "push"' and `%define push_pull "both"'.
4600 `%define push_pull "pull"' is the default.
4601 * doc/bison.texinfo (Push Decl, Push Parser Function,
4602 Pull Parser Function, Parser Create Function, Parser Delete Function):
4603 Update declarations.
4604 (Decl Summary, Table of Symbols): Replace %push-parser and
4605 %push-pull-parser entries with a %define push_pull entry.
4606 * data/bison.m4 (b4_percent_define_check_values): New macro.
4607 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
4608 definitions...
4609 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
4610 definitions...
4611 * data/push.c: ... to here and compute them from the value of the
4612 %define variable push_pull.
4613 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
4614 parsing requests here...
4615 * data/yacc.c: ... hack this to switch to push.c any time
4616 b4_use_push_pull_flag or the %define variable push_pull is set. This
4617 will go away when we mv push.c yacc.c.
4618 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
4619 push parsing is not supported since unused %define variables are
4620 reported anyway.
4621 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
4622 * src/muscle_tab.h (muscle_percent_define_check_values): Update
4623 comments for consistency with b4_percent_define_check_values.
4624 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
4625 muscles.
4626 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
4627 Remove.
4628 (prologue_declaration): Remove %push-parser and %push-pull-parser
4629 rules.
4630 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
4631 * tests/calc.at: Update declarations.
4632 * tests/input.at (%define enum variables): New test case.
4633 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
4634 declaration.
4635 (Push Parsing: Multiple impure instances): Update declaration.
4636 (Push Parsing: Unsupported Skeletons): New test case.
4637 * tests/torture.at (Exploding the Stack Size with Alloca): Update
4638 declaration.
4639 (Exploding the Stack Size with Malloc): Update declaration.
4640
4641 2007-09-24 Wojciech Polak <polak@gnu.org>
4642
4643 Add XSLT transformations.
4644
4645 * data/xslt/xml2dot.xsl: Transform XML into DOT.
4646 * data/xslt/xml2text.xsl: Transform XML into plain text.
4647 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
4648 * data/Makefile.am (xsltdir): New variable.
4649 (dist_xslt_DATA): Add xslt/*.xsl files.
4650
4651 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
4652
4653 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
4654 Problem reported by Wojciech Polak.
4655 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
4656 (xml_printf): Undo change I made on 21 September; that is,
4657 indent 2 spaces, not 1.
4658
4659 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
4660
4661 Pacify ./configure --enable-gcc-warnings.
4662 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
4663 `char const *' instead of `char *'.
4664 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
4665 local variable `sep'.
4666
4667 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
4668
4669 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
4670 elsewhere.
4671 * src/print-xml.c: Prefer "const" after types; that's more consistent.
4672 (xml_printf): Indent just 1 space for level.
4673 (e_char, xlate_char): Remove.
4674 (xml_escape_string): Rewrite to avoid undefined behavior (used
4675 storage that was freed from the stack).
4676 (xml_escape_n): Don't bother checking for subscript error.
4677
4678 2007-09-21 Wojciech Polak <polak@gnu.org>
4679
4680 Add Bison XML Automaton Report.
4681
4682 Add support for an -x option to generate an XML report.
4683 It is not documented yet.
4684 * src/print-xml.c: New file.
4685 * src/print-xml.h: Likewise.
4686 * lib/timevar.def (TV_XML): New var.
4687 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
4688 * src/conflicts.c: Include print-xml.h.
4689 (solved_conflicts_xml_obstack): New var.
4690 (log_resolution, conflicts_solve, conflicts_free):
4691 Add support for XML report.
4692 (conflicts_output_val): New function.
4693 * src/conflicts.h (conflicts_output_val): New decl.
4694 * src/files.c (spec_xml_file): New var.
4695 (compute_output_file_names, output_file_names_free): Add XML support.
4696 * src/files.h (spec_xml_file): New decl.
4697 * src/getargs.c (xml_flag): New var.
4698 (usage, short_options, long_options, getargs): Add XML support.
4699 * src/getargs.h (xml_flag): New decl.
4700 * src/gram.c: Include print-xml.h.
4701 (rule_lhs_print_xml, rule_rhs_print_xml):
4702 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
4703 New functions.
4704 * src/gram.h: Declare external ones.
4705 * src/main.c: Include print-xml.h.
4706 (main): Add XML support.
4707 * src/reduce.c: Include print-xml.h.
4708 (reduce_xml): New function.
4709 * src/reduce.h: Declare it.
4710 * src/state.c: Include print-xml.h.
4711 (state_new): Add XML support.
4712 (state_rule_lookahead_tokens_print_xml): New function.
4713 * src/state.h: Declare it.
4714 (struct state): New member solved_conflicts_xml.
4715 * src/symtab.c (symbol_class_get_string): New function.
4716 * src/symtab.h: Declare it.
4717
4718 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
4719
4720 * GNUmakefile: Switch to coreutils's version.
4721 * bootstrap: Likewise.
4722 * Makefile.cfg: Adjust to new GNUmakefile.
4723 * README-hacking: Likewise.
4724
4725 Import from gnulib:
4726
4727 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
4728 Bruno Haible <bruno@clisp.org>
4729
4730 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
4731 and is a script that invokes bison. Tighten the code. Add comments.
4732
4733 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
4734
4735 Spell "boolean" as "Boolean". Reported by Akim Demaille.
4736 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
4737 * doc/bison.texinfo (Decl Summary): Fix.
4738 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
4739 * tests/input.at (Boolean %define variables): Update output.
4740 * tests/skeletons.at (%define boolean variables: invalid skeleton
4741 defaults): Rename to...
4742 (%define Boolean variables: invalid skeleton defaults): ... this and
4743 update output.
4744
4745 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
4746
4747 In impure push mode, don't allow more than one yypstate to be allocated
4748 since multiple impure parsers would corrupt yynerrs.
4749 * data/push.c (yypstate_allocated): New static global variable
4750 initialized to 0.
4751 (yypull_parse): If yypstate_new returns 0, don't report it as memory
4752 exhaustion if yypstate_allocated is 1, but still return 2.
4753 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
4754 already 1. Otherwise, set it to 1.
4755 (yypstate_delete): Set it to 0.
4756 * tests/push.at (Push Parsing: Multiple impure instances): New test
4757 case.
4758
4759 2007-08-17 Bob Rossi <bob@brasko.net>
4760
4761 * doc/bison.texinfo (Push Decl): Document the push parser.
4762 (Table of Symbols): Ditto.
4763 (Pure Decl): Ditto.
4764 (Decl Summary): Ditto.
4765 (Multiple Parsers, Push Parser Function, Pull Parser Function,
4766 Parser Create Function, Parser Delete Function):
4767 Add new push parser symbols.
4768 (Table of Symbols): Document push-parser, push-pull-parser,
4769 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
4770
4771 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
4772
4773 Update to GPLv3.
4774 * doc/gpl-3.0.texi: New file.
4775 * doc/gpl.texi: Remove.
4776 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
4777 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
4778 * README-hacking, TODO, bootstrap, bootstrap.conf:
4779 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
4780 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
4781 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
4782 * data/lalr1.cc, data/lalr1.java, data/location.cc:
4783 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
4784 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
4785 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
4786 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
4787 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
4788 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
4789 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
4790 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
4791 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
4792 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
4793 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
4794 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
4795 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
4796 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
4797 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
4798 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
4799 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
4800 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
4801 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
4802 * src/complain.c, src/complain.h, src/conflicts.c:
4803 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
4804 * src/files.h, src/flex-scanner.h, src/getargs.c:
4805 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
4806 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
4807 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
4808 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
4809 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
4810 * src/print.c, src/print.h, src/print_graph.c:
4811 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
4812 * src/reduce.h, src/relation.c, src/relation.h:
4813 * src/revision.h, src/scan-code.h, src/scan-code.l:
4814 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
4815 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
4816 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
4817 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
4818 * tests/Makefile.am, tests/actions.at, tests/c++.at:
4819 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
4820 * tests/existing.at, tests/glr-regression.at:
4821 * tests/headers.at, tests/input.at, tests/java.at:
4822 * tests/local.at, tests/output.at, tests/push.at:
4823 * tests/reduce.at, tests/regression.at, tests/sets.at:
4824 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
4825 * tests/torture.at:
4826 Update to GPLv3.
4827
4828 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
4829
4830 Get rid of broken %no-parser, -n, and --no-parser implementation and
4831 documentation.
4832 * TODO: Don't mention them.
4833 * doc/bison.1: Likewise.
4834 * doc/bison.texinfo (Decl Summary): Likewise.
4835 (Bison Options): Likewise.
4836 (Option Cross Key): Likewise.
4837 * src/getargs.c (no_parser_flag): Remove global variable.
4838 (usage): Don't print description of -n and --no-parser.
4839 (long_options): Remove --no-parser entry here.
4840 (getargs): Remove -n case in the switch here.
4841 * src/getargs.h (no_parser_flag): Remove extern.
4842 * tests/regression.at (Web2c Actions): Remove comment that mentions
4843 --no-parser.
4844
4845 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
4846
4847 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
4848 name user variables starting with `yy'. Just pass NULL instead of a
4849 dummy local &yylval to yypush_parse.
4850 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
4851 starting with `yy'.
4852
4853 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
4854
4855 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
4856 true since it's then always used regardless of whether yyoverflow is
4857 defined. Reported by Christian Burger at
4858 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
4859 * THANKS: Add Christian Burger.
4860
4861 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4862 node names: say "Decl Summary" not "Bison Declaration Summary".
4863
4864 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
4865
4866 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
4867 determine whether this function has already complained about an invalid
4868 value for a %define boolean variable, don't check whether Bison has
4869 ever examined the value. As written, the check was a tautology.
4870 Instead, record and check for this complaint using a separate muscle.
4871
4872 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
4873
4874 Fix push parsing memory leak reported by Brandon Lucia at
4875 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
4876 * THANKS: Add Brandon Lucia.
4877 * data/push.c (yypstate_delete): Free the stack if it was reallocated
4878 but the parse never completed and thus freed it.
4879 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
4880 * tests/testsuite.at: Include push.at.
4881 * test/push.at: New.
4882 (Push Parsing: Memory Leak for Early Deletion): New test case.
4883
4884 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
4885
4886 Improve handling of multiple S/R conflicts in the same state and of S/R
4887 conflicts involving multiple reductions.
4888 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
4889 set for a state here or Bison will abort if it is reassigned on a
4890 later conflicted reduction in the same state.
4891 Similarly, don't finalize and assign the solved conflicts report here
4892 or it will be lost if it is reassigned on a later conflicted reduction
4893 in the same state.
4894 (set_conflicts): Instead, assign them both here after all S/R conflicts
4895 in the state have been fully examined.
4896 * src/print.c (shift_set): Rename to...
4897 (no_reduce_set): ... this.
4898 (print_reductions): Update for rename, and add %nonassoc error action
4899 tokens to no_reduce_set so that, when printing the first remaining
4900 reduction on an error action token, the reduction is enclosed in
4901 brackets.
4902 (print_results): Update for rename.
4903 * tests/conflicts.at (Solved conflicts report for multiple reductions
4904 in a state): New test case.
4905 (%nonassoc error actions for multiple reductions in a state): New test
4906 case.
4907
4908 * src/main.c (main): Don't depend on C99 features.
4909
4910 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
4911
4912 * build-aux/.cvsignore: Add compile.
4913 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
4914 uniwidth.
4915
4916 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
4917
4918 * bootstrap (slurp): Create target directories that don't exist.
4919 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
4920
4921 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
4922
4923 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
4924 than item number.
4925 * closure.c (closure): Likewise.
4926 * state.h (reductions): Comment sorting of rules.
4927 (state): Comment sorting of items.
4928
4929 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
4930
4931 Fix C++ test cases after recent Gnulib changes. Discussed starting at
4932 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
4933 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
4934 definition in order to avoid Gnulib headers since we don't use config.h
4935 here.
4936 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
4937 rather than AT_DATA so that config.h is included.
4938
4939 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
4940
4941 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
4942 instead of fprintf. Guard these functions with #if YYDEBUG instead of
4943 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
4944 and so that YYFPRINTF is guaranteed to be defined here.
4945
4946 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
4947
4948 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
4949 with...
4950 (muscle_percent_define_check_values): ... this more helpful function.
4951 Again, it's not used yet, but it will be.
4952 * src/muscle_tab.h: Likewise.
4953
4954 Improve some comments in parser table construction.
4955 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
4956 (generate_states): Don't mention ruleset, which is internal to closure.
4957 * src/closure.c (closure): Explain sorting of core and itemset, which
4958 is required for this function to behave correctly.
4959 * src/closure.h (closure): Mention sorting.
4960
4961 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
4962
4963 * src/lalr.c (state_lookahead_tokens_count): For code readability,
4964 move the check for disabled transitions to an aver since conflict
4965 resolution hasn't happened yet.
4966
4967 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
4968 labels a state as inconsistent just because it has error transitions.
4969 The original form of this check appeared in revision 1.1 of lalr.c,
4970 which was committed on 1991-12-21. Now (at least), changing the
4971 consistency label on such a state appears to have no useful effect in
4972 any of the places it is examined, which I enumerate below. The key
4973 point to understanding each item in this enumeration is that a state
4974 with an error transition is labelled consistent in the first place only
4975 if it has no rules, so the check cannot matter for states that have
4976 rules. (1) Labelling a state as inconsistent will cause set_conflicts
4977 to try to identify its conflicts, and a state must have *rules* to have
4978 conflicts. (2) Labelling a state as inconsistent will affect how
4979 action_row sets the default *rule* for the state. (3) Labelling a
4980 state as inconsistent will cause build_relations to add lookback edges
4981 to *rules* in that state.
4982 * src/state.h (struct state): Word the comment for member consistent
4983 more carefully.
4984
4985 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
4986
4987 Don't depend on C99 features.
4988 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
4989 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
4990 * src/reader.c (check_and_convert_grammar): Fix for-loop.
4991 * src/state.c (state_mark_reachable_states): Fix for-loop.
4992 (state_remove_unreachable_states): Fix for-loop.
4993
4994 Don't widen struct state with member reachable just to temporarily
4995 record reachability. Instead, use a local bitset.
4996 * src/state.h (struct state): Remove member.
4997 * src/state.c (state_new): Don't initialize it.
4998 (state_mark_reachable_states): Rename to...
4999 (state_record_reachable_states): ... this, and use bitset.
5000 (state_remove_unreachable_states): Use bitset.
5001
5002 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
5003
5004 * src/Makefile.am (yacc): Quote target action commands properly so
5005 that the yacc script isn't corrupt. Reported by Hans Aberg at
5006 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
5007
5008 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
5009 the case of pure parsers. Reported by Frans Englich at
5010 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
5011 * THANKS: Add Frans Englich.
5012
5013 * NEWS (2.3a+): In the %code entry, reference section `Bison
5014 Declaration Summary' from the manual now since the %code summary has
5015 moved there.
5016 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
5017 in the rules section must be terminated by semicolons.
5018
5019 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
5020
5021 Extend the front-end API for %define variables to more completely
5022 mirror the back-end. This will be useful in the future.
5023 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
5024 Update comments to mention the new front-end counterparts of these
5025 macros.
5026 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
5027 for muscle_string_decode and muscle_location_decode.
5028 (muscle_string_decode): New static function.
5029 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
5030 (muscle_percent_define_get, muscle_percent_define_ifdef): New
5031 functions.
5032 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
5033 muscle_percent_define_get to mimic the b4_percent_define_flag_if
5034 implementation more closely.
5035 (muscle_percent_define_invalid_value): New function.
5036 * src/muscle_tab.h (muscle_percent_define_get,
5037 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
5038 Prototype.
5039
5040 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
5041
5042 * NEWS (2.3a+): Mention yesterday's state-removal change.
5043 (2.3a): Remove the %language entry, which was added after 2.3a.
5044 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
5045 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
5046 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
5047 tests/existing.at: Update copyright date.
5048
5049 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
5050
5051 If conflict resolution makes states unreachable, remove those states,
5052 report rules that are then unused, and don't report conflicts in those
5053 states.
5054 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
5055 New global function.
5056 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
5057 function.
5058 * src/main.c (main): After conflict resolution, remove the unreachable
5059 states and update all data structures that reference states by number.
5060 * src/state.c (state_new): Initialize each state's reachable member to
5061 false.
5062 (state_mark_reachable_states): New static function.
5063 (state_remove_unreachable_states): New global function.
5064 * src/state.h (struct state): Add member bool reachable.
5065 (state_remove_unreachable_states): Prototype.
5066 * tests/conflicts.at (Unreachable States After Conflict Resolution):
5067 New test case.
5068 * tests/existing.at (GNU pic Grammar): Update test case output now that
5069 an unused rule is discovered.
5070
5071 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
5072
5073 Minor code cleanup in parser table construction.
5074 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
5075 (new_itemsets, save_reductions): Update for rename to nitemset.
5076 * src/closure.c (nritemset): Rename to...
5077 (nitemset): ... this since the "r" appears to meaningless and isn't
5078 used in the comments.
5079 (closure): Update for rename.
5080 * src/closure.h (nritemset): Update extern to...
5081 (nitemset): ... this.
5082 * src/lalr.c (LA): Fix a typo in comments.
5083 * src/print.c (print_core): Update for rename to nitemset.
5084 * src/print_graph.c (print_graph): Likewise.
5085 * src/state.h: Fix some typos in header comments.
5086
5087 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
5088
5089 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
5090 still sticks to ASCII. Sorry!
5091
5092 * README-hacking: New file, taken mostly from coreutils, with changes
5093 for Bison. Contains much of the contents of:
5094 * README-cvs: Remove.
5095 * bootstrap: Sync from gnulib.
5096 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
5097 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
5098
5099 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
5100
5101 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
5102 Setzer.
5103 (Java Differences): Fix some typos.
5104 * THANKS: Add Sebastian Setzer.
5105
5106 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
5107
5108 * data/java.m4 (b4_single_class_if): Remove.
5109 (b4_abstract_if): Look at "%define abstract".
5110 (b4_lexer_if): New.
5111 (b4_union_name): Rename...
5112 (b4_yystype): ... to this. Map to "%define stype".
5113 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
5114 b4_maybe_throws): Fix quoting.
5115 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
5116 * data/lalr1.java (Lexer interface): Always define.
5117 (Lexer interface within parser class): Remove.
5118 (YYLexer class): New, used when "%code lexer" is present.
5119 (constructor): When "%code lexer" is used, pass %lex-param
5120 to the lexer constructor.
5121 (yylex, yyparse): Remove %lex-param from method invocations
5122 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
5123
5124 * doc/bison.texinfo (Java Bison Interface): Mention "%define
5125 abstract". Rename "%define union_name" to "%define stype".
5126 Rename method names according to previous patch.
5127 (Java Scanner Interface): Describe "%code lexer" instead of
5128 "%pure-parser" and "%define single_class".
5129 (Java Differences): Mention "%code lexer".
5130
5131 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
5132 Include scanner here, using macros from tests/local.at.
5133 (AT_DATA_CALC_Y): Remove final argument.
5134 (_AT_CHECK_JAVA_CALC): Likewise.
5135 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
5136 of %locations and %error-verbose.
5137 (main): Test with and without %lex-param.
5138 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
5139 (AT_BISON_OPTION_POPDEFS): Pop it.
5140
5141 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5142
5143 DJGPP spefic issue. Inhibit the use of disallowed characters for
5144 file name genertion on Win98, WinXP, etc. These are |<>":?*\
5145 and concern testsuite case 46.
5146 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
5147 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
5148 * djgpp/config.bat: Inhibit the use of disallowed characters.
5149
5150 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
5151
5152 Miscellaneous %define and %code cleanup.
5153 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
5154 values are interpreted.
5155 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
5156 documentation a little more.
5157 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
5158 muscle_percent_define_insert, muscle_percent_code_grow): New
5159 functions/macros.
5160 * src/muscle_tab.h (muscle_percent_define_insert,
5161 muscle_percent_code_grow): Prototype.
5162 * src/parse-gram.y (prologue_declaration): Use
5163 muscle_percent_define_insert and muscle_percent_code_grow when parsing
5164 %define and %code directives.
5165
5166 Make it easy to share %define boolean variables between the front-end
5167 and back-end. Though not used yet, this will be useful in the future.
5168 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
5169 Bison uses of names rather than just skeleton uses of names.
5170 (b4_percent_define_get, b4_percent_define_ifdef): Rename
5171 b4_percent_define_skeleton_variables(VARIABLE) to
5172 b4_percent_define_bison_variables(VARIABLE).
5173 (b4_percent_code_get, b4_percent_code_ifdef): Rename
5174 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
5175 b4_percent_code_bison_qualifiers(QUALIFIER).
5176 (b4_check_user_names_wrap): Update for renames.
5177 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
5178 muscle_percent_define_default): New functions mimicking
5179 b4_percent_define_flag_if and b4_percent_define_default.
5180
5181 For %define variables, report locations for invalid values and
5182 redefinitions.
5183 * data/bison.m4 (b4_percent_define_flag_if): Read
5184 b4_percent_define_loc(VARIABLE) to report the location of an invalid
5185 value for VARIABLE.
5186 (b4_percent_define_default): Save a special location in
5187 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
5188 must later be reported as invalid.
5189 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
5190 functions.
5191 (muscle_percent_define_insert): Record the location of VARIABLE in
5192 muscle percent_define_loc(VARIABLE), and use it to report the previous
5193 location for a redefinition.
5194 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
5195 (muscle_percent_define_default): Update like b4_percent_define_default.
5196 (muscle_grow_user_name_list): Rename to...
5197 (muscle_user_name_list_grow): ... this for consistency and use
5198 muscle_location_grow.
5199 * src/muscle_tab.h (muscle_location_grow): Prototype.
5200 * tests/input.at (%define errors): Update expected output.
5201 * tests/skeletons.at (%define boolean variables: invalid skeleton
5202 defaults): New test case.
5203
5204 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
5205
5206 * src/print.c (lookahead_set, state_default_rule): Remove.
5207 (print_reductions): Replace state_default_rule invocation with
5208 equivalent use of yydefact, which was computed in token_actions in
5209 tables.c.
5210 (print_results): Don't allocate lookahead_set.
5211
5212 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
5213
5214 * data/lalr1.java: Prefix all private members with yy.
5215
5216 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
5217
5218 Use YYFPRINTF instead of fprintf where appropriate. Reported by
5219 Sebastien Fricker at
5220 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
5221 * THANKS: Add Sebastien Fricker.
5222 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
5223 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
5224 accept a variable number of arguments.
5225
5226 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
5227
5228 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
5229
5230 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5231
5232 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
5233 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
5234 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
5235
5236 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
5237
5238 Undo my 2007-02-07 change, switching back to the c-strcase module
5239 introduced in the 2007-02-03 change. Bruno Haible reported that
5240 the 2007-02-07 change would be dangerous in Turkish if we add a
5241 language whose name contains "i", since "i" is not lowercase "I"
5242 in Turkish.
5243 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
5244 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
5245 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
5246 * m4/.cvsignore: Remove strcase.m4.
5247 * src/getargs.c: Revert 2007-02-07 change, as follows.
5248 Include c-strcase.h.
5249 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
5250
5251 2007-02-11 Bruno Haible <bruno@clisp.org>
5252
5253 Enable the Java related testsuite tests when the only Java compiler
5254 found is a gcj < 4.3. Discussed at
5255 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
5256 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
5257
5258 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
5259
5260 * data/Makefile.am: Update copyright date.
5261 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
5262 yypstate_new returns NULL.
5263 (yypstate_new): Return NULL if malloc does.
5264 * src/reader.c (packgram): Move translation of rule actions from the
5265 beginning of packgram to...
5266 (check_and_convert_grammar): ... here right before packgram is invoked
5267 so it's easier to write more complete comments, and remove redundant
5268 code.
5269
5270 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
5271
5272 As in semantic actions, make @$ in %initial-action, %destructor, and
5273 %printer imply %locations.
5274 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
5275 scanning @$.
5276 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
5277 (@$ in %initial-action implies %locations,
5278 @$ in %destructor implies %locations,
5279 @$ in %printer implies %locations): ... these new test cases.
5280
5281 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
5282
5283 Undo most of the 2007-02-03 change, switching to the strcase module
5284 now that gnulib strcase has been fixed.
5285 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
5286 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
5287 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
5288 * m4/.cvsignore: Add strcase.m4.
5289 * src/getargs.c: Revert 2007-02-03 change, as follows.
5290 Don't include c-strcase.h.
5291 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
5292 strcasecmp has "unspecified behavior" outside the POSIX locale,
5293 but it works fine in practice if at least one argument is ASCII,
5294 as is the case in Bison.
5295
5296 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
5297
5298 * tests/java.at: Skip tests if only one of javac/java is present.
5299 Reported by Joel E. Denny.
5300 * tests/atlocal.in: Adjust copyright years.
5301
5302 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
5303
5304 * data/lalr1.java (Stack): Work around old verifiers that disallow
5305 access to the private fields of an inner class, from the outer class.
5306 We can make Stack's fields public because user code doesn't have access
5307 to the instance of Stack used by parse(). Reported by Paul Eggert.
5308
5309 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
5310
5311 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
5312 the right spot for these files?
5313 * bootstrap.conf (gnulib_modules): Add c-strcase.
5314 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
5315 c-strncasecmp.c.
5316 * src/getargs.c: Include c-strcase.h.
5317 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
5318 to avoid unspecified behavior.
5319
5320 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
5321
5322 * doc/bison.texinfo (Decl Summary): Correct typo.
5323
5324 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
5325
5326 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
5327 Complain if the value does not match empty, "true" or "false".
5328 * data/c++.m4: Adjust default definitions of %define variables.
5329 * data/java.m4: Adjust default definitions of %define variables.
5330 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
5331 to above behavior.
5332 * tests/input.at (Boolean %define variables): Test new behavior.
5333
5334 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
5335
5336 * NEWS: Mention java.
5337 * TODO: Remove things that are done.
5338 * bootstrap.conf: Add javacomp-script and javaexec-script.
5339 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
5340
5341 * data/Makefile.am: Add new files.
5342 * data/java-skel.m4: New.
5343 * data/java.m4: New.
5344 * data/lalr1.java: New.
5345
5346 * doc/bison.texinfo: Put "A Complete C++ Example" under
5347 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
5348 under Other Languages.
5349
5350 * src/getargs.c (valid_languages): Add Java.
5351 * src/getargs.h (struct bison_language): Update size of string fields.
5352
5353 * tests/Makefile.am: Add java.at.
5354 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
5355 * tests/java.at: New.
5356 * tests/testsuite.at: Include it.
5357
5358 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
5359
5360 Clean up.
5361 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
5362 at_directive_argv arguments so these no longer have to be global
5363 variables. Also, update the implementation for the following changes.
5364 (fail_for_at_directive_too_many_args,
5365 fail_for_at_directive_too_few_args): Add at_directive_name argument.
5366 (at_directive_name): Remove as at_directive_argv[0] will be used for
5367 this now.
5368 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
5369 for the directive name.
5370 (at_directive_argc, at_directive_argv): Make these local within
5371 skel_lex instead of global.
5372 (INITIAL): Update directive start action for above changes.
5373 (SC_AT_DIRECTIVE_ARG): Rename to...
5374 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
5375 (SC_AT_DIRECTIVE_SKIP_WS): Update.
5376 (scan_skel): Move yylex_destroy to...
5377 (skel_scanner_free): ... here.
5378 * tests/skeletons.at (installed skeleton file name): Rename to...
5379 (installed skeleton file names): ... this.
5380
5381 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
5382
5383 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
5384 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
5385 Summary" not "Directives".
5386 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
5387 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
5388 since the former is now the more complete one.
5389 (Prologue Alternatives): Likewise and do the same for %defines.
5390 (Table of Symbols): Add summary of %code, add summary of %define, and
5391 move full %code documentation to...
5392 (Decl Summary): ... here for consistency with other entries in these
5393 sections.
5394 Move %define entry in order to keep this list alphabetized.
5395 Reword %define entry a little to put less emphasis on the skeleton
5396 concept, which most users shouldn't have to think about.
5397
5398 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
5399
5400 Adjust to recent gnulib changes.
5401 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
5402 Add string.h, string_.h, unistd_.h, wchar_.h.
5403 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
5404 * src/system.h: Don't include <stpcpy.h>; this is now done by
5405 <string.h>.
5406
5407 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
5408
5409 Simplify implementation of unqualified %code, implement macros for
5410 uniform treatment of boolean %define flags. Document %define.
5411 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
5412 b4_percent_code_ifdef): New.
5413 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
5414 * data/c++.m4: Define default value for global_tokens_and_yystype.
5415 * data/glr.cc: Likewise.
5416 * data/location.cc: Use b4_percent_define_flag_if.
5417
5418 * doc/bison.texinfo (Decl Summary): Document %define.
5419
5420 * src/parse-gram.y (Unqualified %code): Change muscle name to
5421 b4_percent_code().
5422 (content.opt): Default to empty.
5423
5424 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
5425
5426 Implement support for relative and absolute skeleton file names.
5427 Discussed starting at
5428 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
5429 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
5430 (Bison Options): Document in --skeleton entry.
5431 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
5432 full_skeleton can't necessarily hold all of pkgdatadir.
5433 If the specified skeleton file name contains a `/', don't prepend
5434 pkgdatadir.
5435 * src/parse-gram.y (prologue_declaration): If the specified skeleton
5436 file name contains a `/', prepend the grammar file directory.
5437 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
5438 * skeletons.at: New file.
5439 (relative skeleton file names): New test case.
5440 (installed skeleton file names): New test case.
5441 * tests/testsuite.at: Include skeletons.at.
5442
5443 * bootstrap: Update copyright to 2007.
5444
5445 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
5446
5447 * bootstrap: Remove occurrences of .#bootmp from the files.
5448
5449 2007-01-17 Akim Demaille <akim@epita.fr>
5450
5451 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
5452 nonterminals.
5453 Use per-type %printer.
5454
5455 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
5456
5457 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
5458 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5459 djgpp/config.site, src/files.c, src/files.h, src/main.c,
5460 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
5461 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
5462 tests/glr-regression.at, tests/input.at, tests/local.at,
5463 tests/output.at, tests/torture.at: Update copyright to 2007.
5464
5465 2007-01-16 Akim Demaille <akim@epita.fr>
5466
5467 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
5468 error code.
5469 (Calc++ Scanner): Exit with failure if we can't open the input
5470 file.
5471 Accept "-" standing for stdin.
5472 (Calc++ Top Level): Print the result only if the parsing was
5473 successful.
5474
5475 2007-01-16 Akim Demaille <akim@epita.fr>
5476
5477 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
5478
5479 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
5480 and Joel E. Denny <jdenny@ces.clemson.edu>
5481
5482 Clean up %define and %code implementation in M4 some. Most
5483 importantly, rename all related macros to be in the b4_percent_define
5484 and b4_percent_code namespaces. Also, complete support for `.' in
5485 %define variable names and %code qualifiers.
5486 * data/bison.m4 (b4_check_user_names): Check for special
5487 "SKELETON-NAMESPACE(name)" macros instead of using two nested
5488 m4_foreach loops.
5489 (b4_get_percent_define, b4_get_percent_code): Rename to...
5490 (b4_percent_define_get, b4_percent_code_get): ... these.
5491 Extend documentation with examples.
5492 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
5493 b4_percent_define_skeleton_variables and
5494 b4_percent_code_skeleton_qualifiers.
5495 Expect any value for the %define variable `foo' to be stored in the
5496 macro named `b4_percent_define(foo)'; expect any %code blocks for the
5497 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
5498 expect any unqualified %code blocks to be stored in a macro named
5499 `b4_percent_code_unqualified'.
5500 Use m4_indir so that %define variable names and %code qualifiers can
5501 contain `.', which is allowed by the grammar parser.
5502 (b4_percent_define_default): New macro to set a default value for a
5503 %define variable.
5504 (m4_wrap): Update wrapped code, and fix some underquoting.
5505 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
5506 Expect grammar uses of %define variables and %code qualifiers to be
5507 defined in b4_percent_define_user_variables and
5508 b4_percent_code_user_qualifiers.
5509 * data/c++.m4: Use b4_percent_define_default rather than
5510 m4_define_default. Fix some underquoting. Skeleton usage of %define
5511 variable define_location_comparison now implies skeleton usage of
5512 %define variable filename_type.
5513 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5514 data/push.c, data/yacc.c: Update macro names.
5515 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
5516 muscle names.
5517
5518 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5519
5520 DJGPP specific issues.
5521
5522 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
5523 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
5524
5525 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5526
5527 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
5528 run parsers in all tests so that Valgrind is invoked during
5529 maintainer-check-valgrind.
5530 (Duplicate representation of merged trees): Free all semantic values.
5531 (Duplicated user destructor for lookahead): Likewise.
5532
5533 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5534
5535 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
5536 command-line prefix.
5537 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
5538 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
5539 miss Valgrind messages.
5540 (Exploding the Stack Size with Malloc): Likewise.
5541
5542 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5543
5544 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
5545 locals. Reported by Juan Manuel Guerrero at
5546 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
5547 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
5548 Fix some indentation also.
5549 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
5550 explaining this issue.
5551
5552 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
5553 and Joel E. Denny <jdenny@ces.clemson.edu>
5554
5555 Simplify union and prologue handling, and escape union and lex/parse
5556 params with digraphs.
5557 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
5558 values to the empty string since these are no longer guaranteed
5559 initialized by the front-end.
5560 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
5561 braces around b4_user_stype since this is no longer done by the
5562 front-end.
5563 * src/files.c, src/files.h (pre_prologue_obstack,
5564 post_prologue_obstack): Remove.
5565 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
5566 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
5567 with digraphs. This fixes lex params and parse params.
5568 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
5569 * src/output.c (prepare): Remove muscle insertion of the prologues.
5570 (output): Remove freeing of pre_prologue_obstack and
5571 post_prologue_obstack.
5572 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
5573 than prologue_augment for prologue parsing so you don't need prologue
5574 obstacks.
5575 (grammar_declaration): For %union RHS, use `braceless' instead of
5576 "{...}" so that braces are already stripped and code is escaped with
5577 digraphs.
5578 * src/reader.c (prologue_augment): Remove.
5579 (reader): Remove initialization of pre_prologue_obstack and
5580 post_prologue_obstack.
5581 * src/reader.h (prologue_augment): Remove.
5582
5583 * data/c.m4: Remove stray parenthesis.
5584
5585 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5586
5587 Remove quotes from variables names in %define directives and from
5588 qualifiers in %code directives, and restrict the characters that are
5589 allowed in them to M4-friendly ones. For %define, continue to support
5590 the quoted form as a deprecated feature. Discussed starting at
5591 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
5592 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
5593 %code.
5594 * doc/bison.texinfo (Prologue Alternatives): Update.
5595 (Decl Summary): In %defines entry, update mention of `%code requires'
5596 and `%code provides'.
5597 (C++ Location Values): Update %define uses.
5598 (Calc++ Parser Interface): Likewise.
5599 (Calc++ Parser): Likewise, and update `%code requires' uses.
5600 (Table of Symbols): Update %code documentation.
5601 * src/parse-gram.y (prologue_declaration): For %define variables, use
5602 `variable' instead of `STRING'.
5603 (grammar_declaration): For %code qualifiers, use `ID' instead of
5604 `STRING'.
5605 (variable): New nonterminal that takes an `ID' or a `STRING'.
5606 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
5607 and %define uses.
5608 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
5609 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
5610 (%define errors): Update %define uses.
5611
5612 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5613
5614 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
5615 instead of muscle_insert for %define values so that M4-special
5616 characters are replaced with digraphs.
5617 * tests/input.at (%define errors): Extend to check weird values.
5618
5619 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5620
5621 Instead of having skeletons declare all valid %define variables and
5622 %code qualifiers, provide macros that retrieve the associated values
5623 and build these lists automatically. Thus Bison will now warn when a
5624 variable or qualifier is not used by the skeleton in the current
5625 invocation regardless of whether it might sometimes be used by that
5626 skeleton in other invocations. Also, move all %define value macros to
5627 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
5628 form, which is replaced by %code.
5629 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
5630 (b4_check_user_names): ... this, and change the series of valid name
5631 arguments to a single list argument for names used in the skeleton
5632 similar to the existing list argument for names used in the grammar.
5633 Warn instead of complaining.
5634 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
5635 values and %code code, to format %code code properly, and to build
5636 lists of all %define variables and %code qualifiers used in the
5637 skeleton: b4_skeleton_percent_define_variables and
5638 b4_skeleton_percent_code_qualifiers.
5639 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
5640 Remove, and...
5641 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
5642 the skeleton names lists can finish building first. In place of
5643 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
5644 expect the lists b4_user_percent_define_variables and
5645 b4_user_percent_code_qualifiers.
5646 * data/c++.m4: Where setting default values for b4_parser_class_name,
5647 b4_location_type, b4_filename_type, b4_namespace, and
5648 b4_define_location_comparison, update their names to the
5649 b4_percent_define_ namespace.
5650 * data/glr.c: Don't use b4_check_percent_define_variables and
5651 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5652 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
5653 (b4_parser_class_name, b4_namespace): Define these using
5654 b4_get_percent_define for parser_class_name and namespace.
5655 * data/location.cc: Use b4_get_percent_define.
5656 * data/push.c: Don't use b4_check_percent_define_variables and
5657 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5658 * data/yacc.c: Likewise, and don't call m4_exit in
5659 b4_use_push_for_pull_if or m4_wrap code will never execute.
5660 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
5661 Rename to...
5662 (muscle_grow_user_name_list): ... this for consistency with the
5663 terminology used in bison.m4.
5664 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
5665 %define variable names, and rename muscle used_percent_define_variables
5666 to user_percent_define_variables.
5667 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
5668 user_percent_code_qualifiers.
5669 (content): Remove.
5670 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
5671 {CODE} form is no longer accepted.
5672 * tests/input.at (Reject bad %code qualifiers): Rename to...
5673 (Reject unused %code qualifiers): ... this, and update test output.
5674 (%define error): Update test output.
5675
5676 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
5677
5678 Check for unrecognized %define variables similar to checking for
5679 unrecognized %code qualifiers. Check for redefined %define variables.
5680 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
5681 generalizes...
5682 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
5683 (b4_check_percent_define_variables): New, also wraps it.
5684 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
5685 variables using b4_check_percent_define_variables.
5686 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
5687 all those exercised in the test suite and all those listed in the
5688 `Default values' section of c++.m4. Are there others?
5689 * data/push.c, data/yacc.c: Declare no valid %define variables.
5690 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
5691 similar to muscle_find, but it works even when the muscle stores a
5692 const value.
5693 (muscle_grow_used_name_list): New function for constructing the used
5694 name list muscles that b4_check_for_unrecognized_names requires.
5695 * src/parse-gram.y (prologue_declaration): Warn if a variable is
5696 %define'd more than once. Define the b4_used_percent_define_variables
5697 muscle with muscle_grow_used_name_list.
5698 (grammar_declaration): Abbreviate %code code with
5699 muscle_grow_used_name_list.
5700 * tests/input.at (%define errors): New.
5701
5702 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5703
5704 Provide warn_at, complain_at, and fatal_at function callbacks to the
5705 skeletons, and use this for %code qualifier complaints.
5706 * data/bison.m4 (b4_error_at): New, invoked by...
5707 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
5708 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
5709 @fatal_at(...@) directives.
5710 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
5711 qualifiers in b4_used_percent_code_qualifiers and to use
5712 b4_complain_at.
5713 * src/location.c, src/location.h (boundary_set_from_string): New global
5714 function.
5715 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
5716 function.
5717 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
5718 to b4_used_percent_code_qualifiers.
5719 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
5720 function.
5721 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
5722 (lineno): Rename to...
5723 (out_lineno): ... this so I don't misunderstand it again.
5724 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
5725 here; these newlines are in the input but not the output file.
5726 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
5727 (at_directive_perform): ... this new static function, and add handling
5728 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
5729 directives.
5730 * tests/input.at (Reject bad %code qualifiers): Update test output with
5731 locations and extend.
5732
5733 * tests/output.at (Output file name: [, Output file name: ]): Remove
5734 bogus comment about these tests failing.
5735
5736 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5737
5738 Clean up b4_check_percent_code_qualifiers a little.
5739 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
5740 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
5741 documentation and add examples.
5742 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
5743 qualifiers here.
5744
5745 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
5746
5747 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
5748 unreliable -- especially when they're hidden inside another macro.
5749 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
5750 data/c.m4: Remove m4_divert(-1).
5751 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5752 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
5753 m4_divert_push(0) and m4_divert_pop(0).
5754 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
5755 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
5756 pushed and popped by m4sugar, should be first on the stack.
5757
5758 Provide warn, complain, and fatal function callbacks to the skeletons.
5759 This provides more flexibility than m4_fatal, improves the error
5760 message format, and captures messages for translation. Discussed
5761 starting at
5762 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
5763 * data/bison.m4 (b4_error): New, invoked by...
5764 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
5765 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
5766 directives. Because these M4 macros might be called when the current
5767 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
5768 the previous removal of uses of m4_divert, which caused trouble.
5769 (b4_check_percent_code_qualifiers): Use b4_complain instead of
5770 m4_fatal to report unrecognized %code qualifiers.
5771 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
5772 push parser requests.
5773 * data/glr.c: Use b4_complain instead of m4_fatal to report
5774 non-deterministic push parser requests.
5775 Update @output usage to @output(...@) form.
5776 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
5777 report missing %defines. Update @output usage to @output(...@) form.
5778 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
5779 @output(...@) form.
5780 * src/main.c (main): Invoke skel_scanner_free.
5781 * src/scan-skel.h (skel_scanner_free): Prototype new function.
5782 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
5783 obstack_for_string from flex-scanner.h.
5784 (YY_DECL): Use to declare skel_lex static.
5785 (decode_at_digraphs): Remove; now handled in the new
5786 SC_AT_DIRECTIVE_ARG start condition.
5787 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
5788 functions.
5789 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
5790 at_directive_argv): New static globals.
5791 (INITIAL): Use fail_for_invalid_at.
5792 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
5793 recognize the start of a generalized `@directive(...@)' form and
5794 start...
5795 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
5796 directive args (using the new obstack_for_string), to decode the
5797 contained @ diagraphs, and to perform the directive. It recognizes
5798 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
5799 @output(...@).
5800 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
5801 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
5802 `@,'.
5803 (scan_skel): Initialize obstack_for_string on the first call.
5804 (skel_scanner_free): New function to free obstack_for_string.
5805 * tests/input.at (Reject bad %code qualifiers): Update test output.
5806
5807 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
5808
5809 Consolidate the 4 prologue alternative directives (%code, %requires,
5810 %provides, and %code-top) into a single %code directive with an
5811 optional qualifier field. Discussed at
5812 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
5813 * NEWS (2.3a+): Rewrite the existing entry for the prologue
5814 alternatives.
5815 * doc/bison.texinfo (Prologue Alternatives): Update.
5816 (Decl Summary): Update to %code "requires" and %code "provides".
5817 (Calc++ Parser): Update to %code "requires".
5818 (Table of Symbols): Remove entries for %requires, %provides, and
5819 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
5820 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
5821 are replaced by b4_percent_code_provides and b4_percent_code_requires,
5822 which are skeleton-specific.
5823 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
5824 declare what %code qualifiers it supports and to complain if any other
5825 qualifiers were used in the grammar.
5826 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
5827 and b4_user_code([b4_percent_code_provides]) in place of
5828 b4_user_requires and b4_user_provides.
5829 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
5830 Add b4_user_code([b4_percent_code_top]) and
5831 b4_user_code([b4_percent_code]).
5832 Invoke b4_check_percent_code_qualifiers.
5833 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
5834 PERCENT_REQUIRES): Remove.
5835 (grammar_declaration): Remove RHS's for %code-top, %provides, and
5836 %requires. Rewrite the %code RHS as the unqualified form defining the
5837 muscle b4_percent_code. Add another RHS for the qualified %code form,
5838 which defines muscles of the form b4_percent_code_QUALIFIER and the
5839 b4_used_percent_code_qualifiers muscle.
5840 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
5841 PERCENT_REQUIRES): Remove.
5842 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
5843 %code "requires" and %code "provides".
5844 * tests/input.at (Reject bad %code qualifiers): New.
5845
5846 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
5847
5848 Use the new code_props interface for destructors and printers.
5849 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
5850 printer_location members, and change the type of the destructor and
5851 printer members to code_props.
5852 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
5853 symbol_printer_get, semantic_type_destructor_set,
5854 semantic_type_printer_set, default_tagged_destructor_set,
5855 default_tagless_destructor_set, default_tagged_printer_set,
5856 default_tagless_printer_set): Use code_props in arguments and return
5857 types in place of char const * and location.
5858 (symbol_destructor_location_get, symbol_printer_location_get): Remove
5859 since the locations are now contained in the return of
5860 symbol_destructor_get and symbol_printer_get.
5861 * src/output.c (symbol_destructors_output, symbol_printers_output):
5862 Replace with...
5863 (symbol_code_props_output): ... this to eliminate duplicate code.
5864 (output_skeleton): Update to use symbol_code_props_output.
5865 * src/reader.c (symbol_should_be_used): Update use of
5866 symbol_destructor_get.
5867 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5868 Update uses of the various _destructor_set and _printer_set functions.
5869 * src/symtab.c: (default_tagged_destructor_location,
5870 default_tagless_destructor_location, default_tagged_printer_location,
5871 default_tagless_printer_location): Remove since we...
5872 (default_tagged_destructor, default_tagless_destructor,
5873 default_tagged_printer, default_tagless_printer): ... change the type
5874 of these to code_props.
5875 (symbol_new, semantic_type_new, symbol_destructor_set,
5876 semantic_type_destructor_set, symbol_destructor_get,
5877 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
5878 symbol_check_alias_consistency, default_tagged_destructor_set,
5879 default_tagless_destructor_set, default_tagged_printer_set,
5880 default_tagless_printer_set): Update.
5881 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
5882 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
5883 code_props members.
5884 (symbol_print): Use SYMBOL_CODE_PRINT.
5885
5886 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
5887
5888 Use the new code_props interface for rule actions.
5889 * src/symlist.h (symbol_list): Replace action, action_location, and
5890 used members with a code_props action_props member.
5891 * src/reader.c (symbol_should_be_used, grammar_rule_check,
5892 grammar_midrule_action, grammar_current_rule_merge_set,
5893 grammar_current_rule_symbol_append, packgram): Update.
5894 * src/scan-code.h (translate_rule_action): Remove, no longer used.
5895 * src/scan-code.l (handle_action_dollar): Update.
5896 (translate_rule_action): Remove, no longer used.
5897 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
5898
5899 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
5900
5901 Use the new code_props interface in parse-gram.y.
5902 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
5903 Update all uses of translate_* functions to use the new code_props
5904 interface and to use gram_scanner_last_string_free and
5905 code_scanner_last_string_free where possible.
5906 (grammar_declaration): symbol_list_destructor_set and
5907 symbol_list_printer_set now perform the translation, so don't do it
5908 here. Use gram_scanner_last_string_free where possible.
5909 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
5910 translate_code): Remove, no longer used.
5911 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
5912 symbol_list_printer_set): Perform code translation here rather than
5913 depending on the caller to do so.
5914
5915 * src/symlist.h (struct symbol_list): Correct some documentation typos.
5916 * src/scan-gram.h (gram_last_string): Remove declaration.
5917 * src/scan-gram.l (last_string): Declare it static.
5918
5919 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
5920
5921 Encapsulate code properties and related functionality for the various
5922 destructors, printers, and actions into a code_props structure and
5923 interface. This patch merely implements code_props in scan-code.h and
5924 scan-code.l. Future patches will rewrite other modules to use it.
5925 Discussed starting at
5926 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
5927 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
5928 consistently initialize const structs that have an empty location
5929 field.
5930 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
5931 to ensure consistency.
5932 * src/scan-code.h (code_props): New structure.
5933 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
5934 function, macro, and const global variable for initializing a
5935 code_props with no code.
5936 (code_props_plain_init, code_props_symbol_action_init,
5937 code_props_rule_action_init, code_props_translate_code): The rest of
5938 the new code_props functional interface. Among other things, the init
5939 functions set the code_props kind field so that
5940 code_props_translate_code will know whether to behave like
5941 translate_symbol_action, translate_rule_action, or translate_code.
5942 These old translate functions must remain until all other modules are
5943 updated to use the new code_props interface.
5944 (code_scanner_last_string_free): New function similar to
5945 gram_scanner_last_string_free.
5946 (code_scanner_free): Add documentation.
5947 * src/scan-code.l: Implement the new interface.
5948 (code_lex): Make it static, add a code_props* argument, and remove the
5949 rule argument.
5950 (last_string): New static global similar to the one in scan-gram.l.
5951 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
5952 instead of rule.
5953 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
5954 code_props since Bison may one day use this information for destructors
5955 and printers.
5956 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
5957 (handle_action_dollar): Use symbol_list_n_get and set used flag
5958 directly since symbol_list_n_used_set is removed.
5959 (translate_action): Add a code_props* argument and remove the rule,
5960 action, and location arguments. Pass the code_props* on to code_lex.
5961 (translate_rule_action, translate_symbol_action, translate_code):
5962 Rewrite as wrappers around the new code_props interface.
5963 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
5964 it would eventually need to break the encapsulation of code_props.
5965
5966 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
5967
5968 * etc/.cvsignore: New.
5969
5970 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
5971
5972 Add maintainer-push-check to run maintainer-check using push parsing in
5973 place of pull parsing where available.
5974 * Makefile.am (maintainer-push-check): New.
5975 * data/bison.m4 (b4_use_push_for_pull_if): New.
5976 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
5977 appropriately based on their existing values.
5978 (yypush_parse): Don't print push-parser-specific diagnostics if push
5979 parsing is being used in place of pull parsing.
5980 * data/yacc.c: If push parsing should replace pull parsing, redirect to
5981 push.c.
5982 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
5983 variable, and insert b4_use_push_for_pull_flag into muscles.
5984 * tests/Makefile.am (maintainer-push-check): New.
5985
5986 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
5987
5988 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
5989 (whether successful or failed) so that yypush_parse can be invoked
5990 again to start a new parse using the same yypstate.
5991 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
5992 check multiple yypull_parse invocations on the same yypstate. For pull
5993 mode, extend to check multiple yyparse invocations.
5994 (Exploding the Stack Size with Alloca): Extend to try with
5995 %push-pull-parser.
5996 (Exploding the Stack Size with Malloc): Likewise.
5997
5998 * tests/calc.at (Simple LALR Calculator): Don't specify
5999 %skeleton "push.c" since %push-pull-parser implies that now.
6000 * tests/headers.at (export YYLTYPE): Don't check for the push
6001 declarations. Otherwise, this test case can't be used to see if push
6002 mode can truly emulate pull mode.
6003 * tests/input.at (Torturing the Scanner): Likewise.
6004 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
6005 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
6006 AT_YACC_IF, which now includes the case of push mode since %skeleton
6007 need not be used for push mode. This will be more intuitive once
6008 push.c is renamed to yacc.c.
6009
6010 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
6011
6012 For push mode, convert yyparse from a macro to a function, invoke yylex
6013 instead of passing a yylexp argument to yypull_parse, and don't
6014 generate yypull_parse or yyparse unless %push-pull-parser is declared.
6015 Discussed starting at
6016 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
6017 * data/bison.m4 (b4_pull_if): New.
6018 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
6019 * data/push.c: Improve M4 quoting a little.
6020 (b4_generate_macro_args, b4_parenthesize): Remove.
6021 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
6022 any time a pull parser is requested.
6023 Don't #define this as a wrapper around yypull_parse. Instead, when
6024 both push and pull are requested, make it a function that does that
6025 same thing.
6026 (yypull_parse): If there's a b4_prefix, #define this to
6027 b4_prefix[pull_parse] when both push and pull are requested.
6028 Don't define this as a function unless both push and pull are
6029 requested.
6030 Remove the yylexp argument and hard-code yylex invocation instead.
6031 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
6032 %push-parser.
6033 * src/getargs.c (pull_parser): New global initialized to true.
6034 * getargs.h (pull_parser): extern it.
6035 * src/output.c (prepare): Insert pull_flag muscle.
6036 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
6037 (prologue_declaration): Set both push_parser and pull_parser = true for
6038 %push-pull-parser. Set push_parser = true and pull_parser = false for
6039 %push-parser.
6040 * src/scan-gram.l: Don't accept %push_parser as an alternative to
6041 %push-parser since there's no backward-compatibility concern here.
6042 Scan %push-pull-parser.
6043 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
6044 instead of %push-parser.
6045 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
6046 prototype it in the module that calls yyparse.
6047 * tests/input.at (Torturing the Scanner): Likewise.
6048 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
6049
6050 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
6051
6052 Update etc/bench.pl. Optimize push mode a little (the yyn change
6053 deserves most of the credit).
6054 * Makefile.am (SUBDIRS): Add etc subdirectory.
6055 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
6056 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
6057 yytoken, yyval, and yyloc declarations to...
6058 (yyparse or yypush_parse): ... here to improve performance. For
6059 yypush_parse invocations after the first, be sure to assign yyn its old
6060 value again.
6061 (yypstate_new): Don't bother initializing the yyresult field since the
6062 initial value isn't used.
6063 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
6064 remove the #define that, in push mode, set it to yyps->NAME.
6065 * etc/Makefile.am: New.
6066 * etc/bench.pl: Remove and build it instead from...
6067 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
6068 "tests/bison" from the build directory by default rather than just
6069 invoking "bison" from $PATH.
6070 (calc_grammar): Update push parser code: don't declare yylval globally,
6071 don't define yyparse_wrapper, and don't #define yyparse.
6072 (bench_grammar): Update to check all working combinations of yacc.c,
6073 push.c, impure, pure, pull, and push.
6074
6075 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
6076
6077 For push mode, add pull wrappers around yypush_parse.
6078 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
6079 (yypull_parse): New function wrapping yypush_parse.
6080 (yyparse): New #define wrapping yypull_parse.
6081 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
6082 is declared.
6083 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
6084 prototype yylex in the module that calls yyparse, and don't prototype
6085 yyparse there. Otherwise, the yyparse expansion won't compile.
6086 * tests/input.at (Torturing the Scanner): Likewise.
6087
6088 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
6089
6090 Enable push parsers to operate in impure mode. Thus, %push-parser no
6091 longer implies %pure-parser. The point of this change is to move
6092 towards being able to test the push parser code by running the entire
6093 test suite as if %push-parser had been declared.
6094 * data/push.c (yypush_parse): For impure mode, remove the
6095 yypushed_char, yypushed_val, and yypushed_loc arguments.
6096 Instead, declare these as local variables initialized to the global
6097 yychar, yylval, and yylloc.
6098 For the first yypush_parse invocation only, restore the initial values
6099 of these global variables when it's time to read a token since they
6100 have been overwritten.
6101 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
6102 %push-parser.
6103 * tests/calc.at (Simple LALR(1) Calculator): Always declare
6104 %pure-parser along with %push-parser since this test case was designed
6105 for pure push parsers.
6106 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
6107 (AT_YACC_OR_PUSH_IF): New.
6108 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
6109 add a note that it's still wrong for some cases (as it has been for a
6110 while).
6111 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
6112 %push-parser no longer implies %pure-parser.
6113
6114 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6115
6116 Remove some unnecessary differences between the pull parser code and
6117 the push parser code. This patch enables yynerrs in push mode.
6118 * data/push.c: Reformat M4 a little.
6119 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
6120 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
6121 because push mode is on. Instead, if pure mode is on, move yynerrs
6122 to...
6123 (b4_declare_parser_state_variables): ... here.
6124 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
6125 to yyps->NAME so it can be used in yypush_parse.
6126 (yypush_parse): Don't omit uses of yynerrs in push mode.
6127
6128 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6129
6130 Fix bug such that the first pushed token's value and location are
6131 sometimes overwritten (sometimes by %initial-action) before being used.
6132 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
6133 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
6134 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
6135 more closely mimic the pull parser logic.
6136 Don't copy the pushed token to yychar, yylval, and yylloc until it's
6137 time to read a token, which is after any initialization of yylval and
6138 yylloc.
6139 (gottoken): Rename label to...
6140 (yyread_pushed_token): ... for clarity and to avoid infringing on the
6141 user namespace.
6142
6143 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6144
6145 Rearrange initialization of the parser state variables so that the
6146 skeleton doesn't have to have a copy for pull mode and another for push
6147 mode. This patch also fixes at least a bug such that yylloc was not
6148 initialized (with b4_location_initial_line and
6149 b4_location_initial_column) upon calling yypush_parse. However, that
6150 initialization now overwrites the first token's location;
6151 %initial-action assigning @$ already did the same thing, and both bugs
6152 will be fixed in a later patch.
6153 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
6154 (b4_declare_parser_state_variables): Remove initialization of yytoken,
6155 yyss, yyvs, yyls, and yystacksize.
6156 (yypstate_new): Remove initialization of some yypstate fields: yystate,
6157 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
6158 yylsp.
6159 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
6160 yyps->NAME so it can be used in yypush_parse.
6161 (yyparse or yypush_parse): For yypush_parse, don't print the
6162 "Starting parse" diagnostic for invocations after the first.
6163 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
6164 yypush_parse, only do it for the first invocation.
6165 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
6166 initialization to occur in yypush_parse but only on the first
6167 invocation.
6168
6169 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6170
6171 * data/push.c: Add CPP guards around push parser declarations in both
6172 the header and the code file.
6173 In the code file, move the push parser declarations to the same place
6174 they appear in the header file.
6175 Clean up the M4 some, especially the inconsistent underquoting in
6176 some b4_c_function_def and b4_c_function_decl uses.
6177
6178 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6179
6180 Encapsulate the push parser state variables into an M4 macro so the
6181 push skeleton doesn't have to list them again for pull mode's yyparse.
6182 For push mode, remove yypush_parse's local equivalents of these
6183 variables to eliminate unnecessary copying between the two sets at
6184 run-time. This patch also fixes at least a bug related to multiple
6185 %initial-action invocations in push mode.
6186 * data/push.c (b4_declare_parser_variables): Rename to...
6187 (b4_declare_scanner_communication_variables): ... this for clarity and
6188 update both uses.
6189 (b4_declare_yyparse_variables): Remove and move its contents to the one
6190 spot where it was invoked.
6191 (b4_declare_parser_state_variables): New macro containing the parser
6192 state variables required by push mode.
6193 (struct yypstate): Replace all fields but yynew with
6194 b4_declare_parser_state_variables.
6195 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
6196 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
6197 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
6198 (yyparse or yypush_parse): For yyparse in pull mode, replace local
6199 parser state variable declarations with
6200 b4_declare_parser_state_variables.
6201 Don't initialize parser state variables when calling yypush_parse since
6202 yypstate_new already does that.
6203 Invoke the user's initial action only upon the first yypush_parse
6204 invocation.
6205 Remove all code that copies between the local parser state variables
6206 and the yypstate.
6207
6208 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6209
6210 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
6211 prevent a name collision in a future patch where these names will
6212 sometimes be #define'd.
6213 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
6214 since it no longer has the same name as the existing argument.
6215 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
6216
6217 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
6218 and Joel E. Denny <jdenny@ces.clemson.edu>
6219
6220 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
6221 that the argument is case-insensitive, and there's no `=' here.
6222 For the %skeleton entry, mention that %language is better.
6223 (Bison Options): Likewise for --language and --skeleton. Move the
6224 --skeleton entry so that the `Tuning the parser' section is sorted
6225 alphabetically on long options.
6226 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
6227 %language directive in detail here; cross-reference the %language
6228 documentation instead.
6229 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
6230 `%require "2.3b"' so that the example is always up-to-date.
6231 (Table of Symbols): Add entries for %language and %skeleton.
6232 * examples/extexi (normalize): Instead of replacing every %require
6233 argument with the current Bison version, just substitute for
6234 `@value{VERSION}'. This guarantees that we're testing what actually
6235 appears in the documentation.
6236 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
6237 rather than `@VERSION@'.
6238
6239 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
6240
6241 * NEWS: Reword the %language news a bit, and put it earlier.
6242
6243 * src/getargs.c (skeleton_arg): Last arg is now location const *.
6244 Rewrite to simplify the logic.
6245 (language_argmatch): Likewise.
6246 (program_name): We now own this var.
6247 * src/getargs.h (struct bison_language): Use char[] rather than
6248 const char *.
6249
6250 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
6251 Java is supported.
6252 * src/complain.c (program_name): Remove decl; no longer needed.
6253 * src/main.c (program_name): Remove; now belongs to getargs.
6254
6255 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
6256
6257 * NEWS: Document %language.
6258
6259 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
6260
6261 * data/c-skel.m4, data/c++-skel.m4: New files.
6262 * data/glr.c: Complain on push parsers.
6263
6264 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
6265 over %skeleton.
6266 (Decl Summary): Document %language and %skeleton.
6267 (Command line): Document -L.
6268
6269 * examples/extexi: Rewrite %require directive.
6270 * examples/calc++/Makefile.am: Pass VERSION to extexi.
6271
6272 * src/files.c (compute_exts_from_gc): Look in language structure
6273 for .y extension.
6274 (compute_file_name_parts): Check whether .tab should be added.
6275 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
6276 (language, skeleton_arg, language_argmatch): New.
6277 (long_options): Add --language.
6278 (getargs): Use skeleton_arg, add -L/--language.
6279 * src/getargs.h: Include location.h.
6280 (struct bison_language, language, skeleton_arg, language_argmatch): New.
6281 * src/output.c (prepare): Pick default skeleton from struct language.
6282 Don't dispatch C skeletons here.
6283 * src/parse-gram.y (PERCENT_LANGUAGE): New.
6284 (prologue_declaration): Add "%language" rule, use skeleton_arg.
6285 * src/scan-gram.l ("%language"): New rule.
6286
6287 * tests/calc.at: Test %skeleton and %language.
6288 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
6289 (AT_GLR_IF): Look for %skeleton "glr.cc".
6290 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
6291 (AT_YACC_IF): Reject %language.
6292
6293 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
6294
6295 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
6296 since it wasn't used; only the typedef name 'semantic_type' is needed.
6297 Also, omit trailing white space.
6298
6299 * bootstrap: Sync from coreutils.
6300 (gnulib_extra_files): Add build-aux/announce.gen.
6301 (slurp): Adjust .gitignore files like .cvsignore files.
6302 * build-aux/announce-gen: Remove from CVS, since bootstrap
6303 now creates this.
6304
6305 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
6306
6307 Make %push-parser imply %pure-parser. This fixes several bugs; see
6308 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
6309 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
6310 pure_parser = true.
6311 * data/push.c: Don't bother testing b4_push_if when deciding whether
6312 to expand b4_declare_parser_variables globally.
6313 (yypush_parse): Likewise in here.
6314
6315 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
6316 (yy_reduce_print): Reformat M4 for readability.
6317
6318 2006-12-15 Bob Rossi <bob@brasko.net>
6319 and Joel Denny <jdenny@ces.clemson.edu>
6320
6321 * data/push.c (yypstate): Add typedef, and update all uses of
6322 struct yypstate to just yypstate.
6323 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
6324
6325 2006-12-14 Bob Rossi <bob@brasko.net>
6326
6327 * data/push.c (yypush_parse): Declare prototype regardless of
6328 %locations option.
6329
6330 2006-12-14 Bob Rossi <bob@brasko.net>
6331
6332 * data/push.c (yyparse): Remove the prototype and the #define when in
6333 push-parser mode.
6334
6335 2006-12-13 Bob Rossi <bob@brasko.net>
6336
6337 * data/push.c (yypstate_init): Rename to...
6338 (yypstate_new): ... this and use b4_c_function_def.
6339 (yypstate_delete): New.
6340 (yypush_parse): Change parameters yynval and yynlloc to be const.
6341 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
6342 yypstate_delete functions.
6343
6344 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
6345
6346 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
6347 strange test case titles. Reported by Bob Rossi.
6348
6349 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
6350
6351 * TODO: Add pointer to Sylvain Schmitz's work on static detection
6352 of potential ambiguities in GLR grammers.
6353
6354 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
6355
6356 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
6357 `bison ', use m4_index instead of m4_substr since chopping up a string
6358 containing M4-special characters causes problems here.
6359
6360 Fix a couple of bugs related to special characters in user-specified
6361 file names, and make it easier for skeletons to compute output file
6362 names with the same file name prefix as Bison-computed output file
6363 names.
6364 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
6365 b4_parser_file_name and b4_spec_defines_file instead of
6366 @output_parser_name@ and @output_header_name@, which are now redundant.
6367 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
6368 b4_parser_file_name, b4_spec_defines_file, and the new
6369 @basename(FILENAME@) instead of @output_parser_name@ and
6370 @output_header_name@, which inappropriately escaped the file names as
6371 C string literals.
6372 * src/files.c (all_but_ext): Remove static qualifier.
6373 (compute_output_file_names): Move `free (all_but_ext)' to...
6374 (output_file_names_free): ... here since all_but_ext is needed later.
6375 * src/files.h (all_but_ext): Extern.
6376 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
6377 exactly what MUSCLE_INSERT_STRING used to do.
6378 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
6379 characters are escaped properly.
6380 * src/output.c (prepare): Define muscle file_name_all_but_ext as
6381 all_but_ext.
6382 For pkgdatadir muscle, maintain previous functionality by using
6383 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
6384 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
6385 digraphs would never be expanded. Hopefully no one has M4-special
6386 characters in his Bison installation path.
6387 * src/scan-skel.l: Don't parse @output_header_name@ and
6388 @output_parser_name@ anymore since they're now redundant.
6389 In @output, use decode_at_digraphs.
6390 Parse a new @basename command that invokes last_component.
6391 (decode_at_digraphs): New.
6392 (BASE_QPUTS): Remove unused.
6393 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
6394 (Output file name): New tests.
6395
6396 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
6397
6398 Warn about output files that are generated by the skeletons and that
6399 conflict with other output files.
6400 * data/glr.c: Don't generate the header file here when glr.cc does.
6401 * src/files.c (file_names, file_names_count): New static globals.
6402 (compute_output_file_names): Invoke output_file_name_check for files
6403 not generated by the skeletons and remove existing checks.
6404 (output_file_name_check): New function that warns about conflicting
6405 output file names.
6406 (output_file_names_free): Free file_names.
6407 * src/files.h (output_file_name_check): Declare.
6408 * src/scan-skel.l: Invoke output_file_name_check for files generated by
6409 the skeletons.
6410 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
6411 (Conflicting output files): New tests.
6412
6413 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6414
6415 * doc/bison.texinfo: Fix a couple of typos.
6416
6417 2006-12-08 Bob Rossi <bob@brasko.net>
6418
6419 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
6420 Rename to...
6421 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
6422 update all uses.
6423 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
6424 (yypush_parse): Rename yypvars argument to yyps and remove redundant
6425 local pv.
6426 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
6427 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
6428
6429 2006-12-07 Bob Rossi <bob@brasko.net>
6430 and Joel Denny <jdenny@ces.clemson.edu>
6431
6432 * data/push.c (yypvarsinit): Change return type from void* to struct
6433 yypvars*. No longer cast to void* on return.
6434 (struct yypvars): Remove yylen since it need not be remembered between
6435 yypushparse invocations.
6436 (yypushparse): Don't copy between yylen and pv->yylen.
6437
6438 2006-12-05 Bob Rossi <bob@brasko.net>
6439
6440 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
6441 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
6442 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
6443 (struct yypvars): Remove b4_declare_parser_variables.
6444 (yypvarsinit): Remove init code for removed variables.
6445 (global scope): Do not declare b4_declare_parser_variables if
6446 push or pure mode.
6447 (yypushparse): Add b4_declare_parser_variables.
6448 Init new local variables, and remove init code for removed
6449 yypvars variables.
6450 (yyparse): Delete.
6451 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
6452 and yyparse for other modes.
6453 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
6454 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
6455 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
6456 (AT_PURE_LEX_IF): True if pure or push parser.
6457
6458 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
6459
6460 Document Yacc prologue alternatives and default %destructor's and
6461 %printer's as experimental. Don't mention Java yet. Discussed at
6462 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
6463 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
6464 (2.3a): Annotate this entry to say the old forms of these features were
6465 also experimental.
6466 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
6467 Table of Symbols): Say they're experimental. Comment out any mention
6468 of Java (we'll want this back eventually).
6469
6470 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
6471
6472 Support a file name argument to %defines. Deprecate `=' in
6473 %file-prefix, %name-prefix, and %output. Discussed at
6474 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
6475 * NEWS (2.3a+): Mention.
6476 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
6477 form of %defines, and remove `=' from entries for %file-prefix,
6478 %name-prefix, and %output.
6479 * src/parse-gram.y (prologue_declaration): Implement.
6480 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
6481 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
6482 all but one occurrence of %name-prefix.
6483 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
6484 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
6485 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
6486 occurrence of each of %file-prefix and %output. Add check for %defines
6487 with argument.
6488 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
6489 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
6490 Remove the `=' from %output.
6491
6492 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
6493
6494 Don't escape $ in test case titles since Autoconf 2.61 now does that
6495 correctly.
6496 * tests/actions.at (Default %printer and %destructor are not for error
6497 or $undefined): Here.
6498 (Default %printer and %destructor are not for $accept): Here.
6499 * tests/input.at (Invalid $n and @n): Here.
6500
6501 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
6502
6503 Rename <!> to <>. Discussed starting at
6504 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
6505 * NEWS (2.3a+): Update.
6506 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
6507 Update.
6508 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
6509 * src/scan-gram.l (INITIAL): Implement.
6510 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
6511 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
6512 comment.
6513 * tests/actions.at (Default tagless %printer and %destructor,
6514 Default tagged and per-type %printer and %destructor,
6515 Default %printer and %destructor are not for error or $undefined,
6516 Default %printer and %destructor are not for $accept,
6517 Default %printer and %destructor for mid-rule values): Update.
6518 * tests/input.at (Default %printer and %destructor redeclared,
6519 Unused values with default %destructor): Update.
6520
6521 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
6522
6523 Don't let %prec take a nonterminal.
6524 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
6525 token.
6526 * tests/input.at (%prec takes a token): New test checking that %prec
6527 won't take a nonterminal.
6528
6529 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
6530
6531 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
6532 it was double-quoted.
6533 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
6534 grammar is maintained with Bison's highest standards.
6535 * src/getargs.c: Fix some typos in Doxygen comments.
6536
6537 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
6538
6539 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
6540 later. Reported by Paul Eggert in
6541 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
6542 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
6543 * src/scan-code.l (translate_action): Don't bother invoking
6544 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
6545 (code_scanner_free): Instead of invoking
6546 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
6547 which frees more.
6548 * src/scan-gram.l (gram_scanner_free): Likewise.
6549 * src/scan-skel.l (scan_skel): Likewise.
6550
6551 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
6552
6553 * src/files.c (tr): Change return type to void.
6554 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
6555 has been called previously for the same key.
6556 (muscle_find): Return storage instead of value so that
6557 --enable-gcc-warnings doesn't produce warnings that the return discards
6558 const. aver that the value and storage are the same since storage
6559 could potentially be NULL when value is not.
6560 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
6561 same as 0.
6562
6563 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6564
6565 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
6566 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
6567 us a slightly cleaner distribution, and also works.
6568 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
6569 gnulib changes.
6570
6571 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
6572 and Paul Eggert <eggert@cs.ucla.edu>
6573
6574 Don't let Bison leak memory except when it complains.
6575 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
6576 (spec_defines_file, dir_prefix): Now char *, not const char *,
6577 since they are freed.
6578 * src/files.c: Likewise.
6579 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
6580 Likewise.
6581 (tr): Now operates in-place. All uses changed.
6582 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
6583 values.
6584 (compute_file_name_parts, compute_output_file_names): Don't store
6585 read-only data in variables that will be freed.
6586 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
6587 src_extension, and header_extension.
6588 (output_file_names_free): New public function to free
6589 spec_verbose_file, spec_graph_file, spec_defines_file,
6590 parser_file_name, and dir_prefix.
6591 * src/getargs.c (getargs): Don't store read-only data in variables that
6592 will be freed.
6593 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
6594 (which previously existed but was unused), and quotearg_free.
6595 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
6596 * src/muscle_tab.c: Likewise.
6597 (muscle_entry): Make the value char const *,
6598 and add a new storage member that is char * and can be freed.
6599 (muscle_entry_free): New private function.
6600 (muscle_init): Use it instead of free.
6601 (muscle_insert, muscle_grow): Update and use new storage member.
6602 (muscle_code_grow): Free the string passed to muscle_grow
6603 since it's not needed anymore.
6604 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
6605 add a new `char *code' member.
6606 ("{...}"): Declare semantic type as code.
6607 * src/scan-code.h (translate_rule_action):
6608 (translate_symbol_action, translate_code, translate_action): Return
6609 `char const *' rather than `char *' since external code should not free
6610 these strings.
6611 * src/scan-code.l: Likewise.
6612 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
6613 which is "{...}" in the parser.
6614 * tests/Makefile.am (maintainer-check-valgrind): Set
6615 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
6616 Valgrind.
6617 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
6618 complain.
6619 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
6620 expecting a non-zero exit status sets --leak-check=summary and
6621 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
6622 this case, and we don't want to hear about it.
6623
6624 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6625
6626 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
6627 instead of from the template, to simplify configuration a bit.
6628 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
6629 and m4/wint_t.m4, as they are needed with the latest gnulib.
6630
6631 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6632
6633 Disable unset/unused mid-rule value warnings by default, and recognize
6634 --warnings=midrule-values to enable them. Discussed starting at
6635 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
6636 * NEWS (2.3a+): Mention.
6637 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
6638 warnings): Add entry for midrule-values subargument.
6639 * src/reader.c (symbol_should_be_used): Don't return true just because
6640 the value is a set/used mid-rule value unless
6641 --warnings=midrule-values was specified.
6642 * tests/input.at (Unused values, Unused values before symbol
6643 declarations): Run tests with and without --warnings=midrule-values.
6644
6645 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
6646 than LIST_FREE directly.
6647
6648 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6649
6650 Finish implementing --warnings=error, which should not be implied by
6651 --warnings=all (or by its synonyms -W and --warnings without
6652 subarguments).
6653 * src/complain.c (set_warning_issued): New function to report that
6654 warnings are being treated as errors and to record an error if so.
6655 Invoke...
6656 (warn_at, warn): ... here.
6657 * src/getargs.c (warnings_args, warnings_types): Reorder so that
6658 "error - warnings are errors" does not appear above "all - all of the
6659 above".
6660 (getargs): For -W and --warnings without subarguments, don't let
6661 FLAGS_ARGMATCH set warnings_error in warnings_flag.
6662 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
6663
6664 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6665
6666 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
6667 empty subargument list. For example: `bison --warnings= parser.y'.
6668
6669 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6670
6671 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
6672 the parser header file so that gcc doesn't warn.
6673
6674 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6675
6676 Split the default %destructor/%printer into two kinds: <*> and <!>.
6677 Discussed starting at
6678 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
6679 * NEWS (2.3a+): Mention.
6680 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
6681 previous change today related to mid-rules.
6682 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
6683 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
6684 (TYPE_TAG_ANY): Add as <*>.
6685 (TYPE_TAG_NONE): Add as <!>.
6686 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
6687 for <*> and <!>.
6688 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
6689 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
6690 * src/symlist.c (symbol_list_default_new): Split into tagged and
6691 tagless versions.
6692 (symbol_list_destructor_set, symbol_list_printer_set): Split
6693 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
6694 SYMLIST_DEFAULT_TAGLESS.
6695 * src/symlist.h: Update symbol_list_default*_new prototypes.
6696 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
6697 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
6698 * src/symtab.c (default_destructor, default_destructor_location,
6699 default_printer, default_printer_location): Split each into tagged and
6700 tagless versions.
6701 (symbol_destructor_get, symbol_destructor_location_get,
6702 symbol_printer_get, symbol_printer_location_get): Implement tagged
6703 default and tagless default cases.
6704 (default_destructor_set, default_printer_set): Split each into tagged
6705 and tagless versions.
6706 * src/symtab.h: Update prototypes.
6707 * tests/actions.at (Default %printer and %destructor): Rename to...
6708 (Default tagless %printer and %destructor): ... this, and extend.
6709 (Per-type %printer and %destructor): Rename to...
6710 (Default tagged and per-type %printer and %destructor): ... this, and
6711 extend.
6712 (Default %printer and %destructor for user-defined end token): Extend.
6713 (Default %printer and %destructor are not for error or $undefined):
6714 Update.
6715 (Default %printer and %destructor are not for $accept): Update.
6716 (Default %printer and %destructor for mid-rule values): Extend.
6717 * tests/input.at (Default %printer and %destructor redeclared): Extend.
6718 (Unused values with default %destructor): Extend.
6719
6720 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6721
6722 Don't apply the default %destructor/%printer to an unreferenced midrule
6723 value. Mentioned at
6724 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
6725 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
6726 like $@n instead of just @n so that the default %destructor/%printer
6727 logic doesn't see them as user-defined symbols.
6728 (symbol_is_dummy): Check for both forms of the name.
6729 * src/reader.c (packgram): Remove the `$' from each midrule symbol
6730 name for which the midrule value is referenced in any action.
6731 * tests/actions.at (Default %printer and %destructor for mid-rule
6732 values): New test.
6733 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
6734 for change to dummy symbol names.
6735
6736 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
6737
6738 Warn about unset midrule $$ if the corresponding $n is used.
6739 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
6740 $n usage.
6741 (packgram): Before invoking grammar_rule_check on any rule, make sure
6742 all actions have already been scanned in order to set `used' flags.
6743 Otherwise, checking that a midrule's $$ is set will not always work
6744 properly because the midrule check must forward-reference the midrule's
6745 parent rule.
6746 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
6747 warning.
6748
6749 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
6750
6751 More improvements to the documentation of the prologue alternatives:
6752 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
6753 Bison manual.
6754 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
6755 some text to clarify the relative importance of the new directives and
6756 to show how these directives may be viewed as code labels.
6757
6758 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
6759
6760 Similar to the recently removed %before-header, add %code-top as the
6761 alternative to the pre-prologue. Mentioned at
6762 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
6763 Also, let the prologue alternatives appear in the grammar section.
6764 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
6765 (prologue_declaration): Move the existing prologue alternatives to...
6766 (grammar_declaration): ... here and add %code-top.
6767 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
6768
6769 Clean up and extend documentation for the prologue alternatives.
6770 * NEWS (2.3a+): Describe prologue alternatives.
6771 * doc/bison.texinfo (Prologue): Move discussion of prologue
6772 alternatives to...
6773 (Prologue Alternatives): ... this new section, and extend it to discuss
6774 all 4 directives in detail.
6775 (Table of Symbols): Clean up discussion of prologue alternatives and
6776 add %code-top.
6777
6778 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6779
6780 DJGPP specific issues.
6781
6782 * djgpp/config.bat: config.hin has been moved to lib. Adjust
6783 config.bat accordingly.
6784 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
6785 * djgpp/config.site: Likewise.
6786
6787 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
6788
6789 Replace %*-header with %provides, %requires, %code. See discussion at
6790 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
6791
6792 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
6793 (b4_user_start_header): Remove.
6794 * data/glr.c: Use new macros instead of b4_*start_header
6795 and b4_*end_header.
6796 * data/glr.cc: Likewise.
6797 * data/lalr1.cc: Likewise.
6798 * data/push.c: Likewise.
6799 * data/yacc.c: Likewise.
6800
6801 * doc/bison.texinfo: Remove %before-header, rename
6802 %{start,end,after}-header to %requires, %provides, %code.
6803
6804 * src/parse-gram.y: Likewise (also rename token names accordingly).
6805 * src/scan-gram.l: Likewise.
6806 * tests/actions.at: Likewise.
6807
6808 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
6809
6810 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
6811 Problem reported by Joel E. Denny.
6812
6813 2006-10-14 Jim Meyering <jim@meyering.net>
6814
6815 (Sync from coreutils.)
6816 Work also when the working directory (with e.g. coreutils sources)
6817 is version controlled with git, rather than CVS.
6818 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
6819 rather than CVS.
6820 In messages and comments, say e.g., "checked-out sources",
6821 rather than "CVS sources".
6822 (version_controlled_file): New function. Work for git as well as
6823 for CVS. Don't use grep's -q option.
6824 (slurp): Call it here, in place of CVS-specific code.
6825
6826 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
6827
6828 Fix testsuite for ./configure --enable-gcc-warnings:
6829 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
6830 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
6831 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
6832 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
6833 * test/regression.at (Diagnostic that expects two alternatives):
6834 Likewise.
6835
6836 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
6837
6838 * bootstrap.conf (gnulib_modules): Add config-h.
6839 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
6840 worry about HAVE_CONFIG_H.
6841 * lib/abitset.c: Likewise.
6842 * lib/bitset.c: Likewise.
6843 * lib/bitset_stats.c: Likewise.
6844 * lib/bitsetv-print.c: Likewise.
6845 * lib/bitsetv.c: Likewise.
6846 * lib/ebitset.c: Likewise.
6847 * lib/get-errno.c: Likewise.
6848 * lib/lbitset.c: Likewise.
6849 * lib/subpipe.c: Likewise.
6850 * lib/timevar.c: Likewise.
6851 * lib/vbitset.c: Likewise.
6852 * lib/bitset.c: Include "bitset.h" first, to test interface.
6853 * lib/bitset_stats.c: Include "bitset_stats.h" first.
6854 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
6855 * lib/bitsetv.c: Include "bitsetv.h" first.
6856 * lib/get-errno.c: Include "get-errno.h" first.
6857 * m4/.cvsignore: Add config-h.m4.
6858 * tests/actions.at (Default %printer and %destructor for ...):
6859 Adjust expected line numbers in output to reflect removal of #if
6860 HAVE_CONFIG_H lines.
6861 * tests/glr-regression.at (Missed %merge type warnings when ...):
6862 Likewise.
6863 * tests/regression.at (Braced code in declaration in rules section):
6864 Likewise.
6865 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
6866 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
6867 Include <config.h> unconditionally.
6868
6869 * bootstrap: Sync from coreutils, as follows:
6870
6871 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
6872
6873 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
6874 variable was sometimes used without being initialized. This
6875 messed up the installation of the INSTALL file in some cases.
6876
6877 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
6878
6879 * bootstrap (usage, main program, symlink_to_gnulib): Add option
6880 --copy. Inspired by a suggestion from Bruno Haible.
6881
6882 2006-10-03 Jim Meyering <jim@meyering.net>
6883
6884 * bootstrap: Undo last change to this file, since now gnulib-tool
6885 sticks with the automake default in generating dependencies.
6886
6887 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
6888
6889 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
6890 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
6891
6892 * doc/bison.1: Add copyright notice.
6893
6894 * data/glr.c: Don't include <stdarg.h>; not used.
6895
6896 * NEWS: The -g and --graph options now output graphs in Graphviz
6897 DOT format, not VCG format.
6898 * doc/bison.1: Likewise.
6899 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
6900 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
6901 of this change in
6902 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
6903 * TODO: Remove Graphviz entry.
6904 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
6905 remove vcg.c, vcg.h, vcg_defaults.h.
6906 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
6907 * src/graphviz.c, src/graphviz.h: New files.
6908 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
6909 * src/files.h: Make comment more generic.
6910 * src/main.c (main): Likewise.
6911 * src/print_graph.h: Likewise.
6912 * src/getargs.c (usage): Make usage description more generic.
6913 * src/print_graph.c: Include graphviz.h rather than vcg.h.
6914 (static_graph, fgraph): Remove. All uses changed to pass
6915 arguments instead of sharing a static var.
6916 (print_core, print_actions, print_state, print_graph):
6917 Output graphviz format rather than VCG format.
6918 * tests/.cvsignore: Remove *.vcg; add *.dot.
6919 * tests/output.at: Expect *.dot files, not *.vcg files.
6920
6921 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
6922 accommodates the 2006-10-08 change.
6923
6924 2006-10-11 Bob Rossi <bob@brasko.net>
6925
6926 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
6927 (b4_yyssa, b4_yyerror_range): New macros.
6928 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
6929 (yypvarsinit): Remove init of removed fields.
6930 (yypushparse): Remove use of removed fields; use new macros instead.
6931
6932 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
6933
6934 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
6935 in a push parser. Reindent slightly to match yacc.c better.
6936
6937 2006-10-11 Bob Rossi <bob@brasko.net>
6938
6939 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
6940 yymsg_alloc fields.
6941 (yypvarsinit, yypushparse): Remove init of removed fields.
6942 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
6943
6944 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
6945
6946 * THANKS: Add Paolo Bonzini and Bob Rossi.
6947
6948 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
6949
6950 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
6951 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
6952 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
6953 b4_define_user_cde and uses): Remove.
6954 (b4_comment, b4_prefix, b4_sync_start): New.
6955 * data/bison.m4: New file, with most of the content removed from c.m4.
6956 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
6957 * src/output.c (output_skeleton): Pass bison.m4.
6958 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
6959 only if specified.
6960
6961 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
6962
6963 Fix test failure reported by Tom Lane in
6964 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
6965 and try to make such failures easier to catch in the future.
6966 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
6967 that's now the caller's responsibility.
6968 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
6969 Set yychar = YYEOF if it's negative.
6970 * tests/actions.at (yylex): Abort if asked to read past EOF.
6971 * tests/conflicts.at (yylex): Likewise.
6972 * tests/cxx-type.at (yylex): Likewise.
6973 * tests/glr-regression.at (yylex): Likewise.
6974 * tests/input.at (yylex): Likewise.
6975 * tests/regression.at (yylex): Likewise.
6976 * tests/torture.at (yylex): Likewise.
6977
6978 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
6979
6980 Fix problems with translating English-language diagnostics.
6981 * bootstrap: Fix bug introduced in recent bootstrap changes, with
6982 respect to bison-runtime pot generation. The YY_ stuff
6983 wasn't being captured.
6984 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
6985 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
6986 * runtime-po/POTFILES.in: Add data/push.c.
6987
6988 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
6989
6990 Merge bootstrap changes from coreutils.
6991
6992 2006-09-28 Jim Meyering <jim@meyering.net>
6993
6994 Automatically generated dependencies are important even
6995 when all of the sources in a directory come from gnulib.
6996 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
6997 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
6998
6999 2006-09-23 Jim Meyering <jim@meyering.net>
7000
7001 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
7002
7003 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7004
7005 * bootstrap: Add support for --force.
7006 (usage): New function. Describe usage less tersely.
7007 (CVS_only_file): New var.
7008
7009 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
7010
7011 * data/push.c (YYPUSH_MORE): Make it an enum instead.
7012 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
7013 Adjust white space and comments to match GNU style better.
7014
7015 2006-09-20 Bob Rossi <bob@brasko.net>
7016
7017 * data/push.c (yyresult_get): Remove function.
7018 (YYPUSH_MORE): Add #define.
7019 (yypushparse): Modify return value.
7020
7021 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7022
7023 * stamp-h.in: Remove; no longer needed.
7024 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
7025 Remove config.h, config.hin, intl (no longer created).
7026 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
7027 stamp-h1.
7028
7029 Sync bootstrap from coreutils, as follows:
7030
7031 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
7032
7033 * bootstrap (symlink_to_gnulib): New function.
7034 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
7035 to copies-of-gnulib.
7036 (cp_mark_as_generated, slurp, gnulib_files):
7037 Avoid making a copy if it's the same as the old version.
7038 (gnulib_files): Add support for this variable (used by Bison).
7039
7040 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7041
7042 * src/getargs.c (usage): Rework to use conventions similar to
7043 coreutils, to make translation a bit easier and the code a bit
7044 smaller. Problem reported by Tim Van Holder.
7045
7046 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
7047
7048 Use some of gnulib's new modules, taken from coreutils.
7049
7050 * bootstrap: Sync from coreutils, except add support for gnulib_files.
7051 * bootstrap.conf: New file.
7052 (gnulib_modules): Add configmake, inttypes, unistd.
7053 (XGETTEXT_OPTIONS): Add complain, complain_at,
7054 fatal, fatal_at, warn, warn_at, unexpected_end.
7055 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
7056 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
7057 (gl_EARLY): Add.
7058 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
7059 (gl_INIT): Add
7060 (GNULIB_AUTOCONF_SNIPPET): Remove.
7061 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
7062 the pickiest.
7063 * lib/.cvsignore: Add inttypes_.h.
7064 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
7065 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
7066 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
7067 no-longer-necessary initializations.
7068 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
7069 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
7070 use the unistd module.
7071 * src/system.h: Likewise.
7072 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
7073 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
7074 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
7075 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
7076 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
7077 * src/system.h: Include inttypes.h unconditionally, now that we
7078 use the inttypes module. Don't bother to include stdint.h, since
7079 inttypes.h now does that for us.
7080 (LOCALEDIR): Remove, now that we use the configmake module.
7081 * src/getargs.c: Include configmake.h.
7082 * src/main.c: Likewise.
7083 * src/output.c: Likewise.
7084 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
7085 not from $abs_top_builddir, since config.h moved.
7086
7087
7088 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
7089 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
7090
7091 * src/parse-gram.y (symbol_declaration): Don't put statements
7092 before declarations; it's not portable to C89.
7093 * src/scan-code.l (handle_action_at): Likewise.
7094
7095 * src/scan-code.l: Always initialize braces_level; the old code
7096 left it uninitialized and therefore had undefined behavior.
7097
7098 Don't attempt to redefine 'assert', since it runs afoul of
7099 systems where standard headers (mistakenly) include <assert.h>.
7100 Instead, define and use our own alternative, called 'aver'.
7101 * src/reader.c: Don't include assert.h, since we no longer
7102 use assert.
7103 * src/scan-code.l: Likewise.
7104 * src/system.h (assert): Remove, replacing with....
7105 (aver): New function, taking a bool arg. All uses changed.
7106 * src/tables.c (pack_vector): Ensure that aver arg is bool,
7107 not merely an integer.
7108
7109 2006-09-15 Bob Rossi <bob@brasko.net>
7110
7111 Add support for push parsing. Based on the original work of
7112 Odd Arild Olsen <oao@fibula.no>.
7113 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
7114 * data/c.m4 (YYPUSH): New.
7115 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
7116 * data/push.c: New file.
7117 * src/getargs.c (push_parser): New var.
7118 * src/getargs.h (push_parser): New declaration.
7119 * src/output.c (prepare): Add macro insertion of `push_flag'.
7120 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
7121 (prologue_declaration): Parse %push-parser.
7122 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
7123 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
7124 list of removed lines from the traces observed.
7125 (AT_CHECK_CALC_LALR): Added push parser tests.
7126
7127 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
7128
7129 * NEWS: Version 2.3a.
7130 * configure.ac (AC_INIT): Likewise.
7131
7132 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
7133 "#define YYSTYPE int" that caused "make maintainer-check" to fail
7134 due to header ordering dependencies. I don't know why the #define
7135 was there.
7136
7137 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
7138 runtime cost when YYDEBUG is not defined, and so that some tests
7139 that used to fail now work. Problem and initial suggestion by
7140 Paolo Bonzini.
7141 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
7142 * data/glr.cc (b4_parser_class_name):
7143 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
7144 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
7145 (yydebug_) [YYDEBUG]: New member.
7146 (yycdebug_): Now defined only if YYDEBUG.
7147 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
7148 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
7149 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
7150 if YYYDEBUG.
7151 (debug_stream, set_debug_stream, debug_level, set_debug_level):
7152 Define only if YYDEBUG.
7153 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
7154 set_debug_level.
7155 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
7156 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
7157 AT_CHECK_CALC_GLR_CC that are working now.
7158
7159 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
7160
7161 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
7162 We don't need them in glr.cc, and glr.c defines them.
7163 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
7164 assumes that defining it to anything is the same as defining
7165 it to 1. Problem reported by Paolo Bonzini.
7166
7167 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
7168
7169 * data/c.m4 (b4_null, b4_case): Define.
7170 * src/output.c (prepare_symbols): Use b4_null.
7171 (user_actions_output): Use b4_case.
7172
7173 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
7174
7175 * data/glr.c (b4_shared_declarations): Put start-header first,
7176 before any #includes that we generate, so that feature-test
7177 macros work. Problem reported by Michael Deutschmann in
7178 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
7179 * data/lalr1.cc: Likewise.
7180 * doc/bison.texinfo (Prologue): Document that feature-test macros
7181 should be defined before any Bison declarations.
7182 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
7183 that depend on location.hh after, not before, Bison decls, since
7184 we now include location.hh after the first user prologue.
7185
7186 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
7187 Sander Brandenburg in
7188 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
7189 Also, fix minor white space and comment issues.
7190 (Prologue): Mention that it's better to define feature-test macros
7191 before Bison declarations. Problem reported by Michael Deutschmann.
7192
7193 * README-cvs: Fix typo: "&" should be "&&". Problem reported
7194 by Jim Meyering.
7195 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
7196 This adjusts to recent gnulib changes.
7197
7198 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
7199
7200 Finish implementation of per-type %destructor/%printer. Discussed
7201 starting at
7202 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
7203 and
7204 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
7205 * NEWS (2.3+): Add a description of this feature to the default
7206 %destructor/%printer description.
7207 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
7208 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
7209 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
7210 list node contains a semantic type.
7211 * src/symtab.c, src/symtab.h: Extend with a table that associates
7212 semantic types with their %destructor's and %printer's.
7213 (semantic_type_from_uniqstr, semantic_type_get,
7214 semantic_type_destructor_set, semantic_type_printer_set): New functions
7215 composing the public interface of that table.
7216 (symbol_destructor_get, symbol_destructor_location_get,
7217 symbol_printer_get, symbol_printer_location_get): If there's no
7218 per-symbol %destructor/%printer, look up the per-type before trying
7219 the default.
7220 * tests/actions.at (Per-type %printer and %destructor): New test case.
7221 * tests/input.at (Default %printer and %destructor redeclared):
7222 Extend to check that multiple occurrences of %symbol-default in a
7223 single %destructor/%printer declaration is an error.
7224 (Per-type %printer and %destructor redeclared, Unused values with
7225 per-type %destructor): New test cases.
7226
7227 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
7228
7229 Require default %destructor/%printer to be declared using
7230 %symbol-default instead of an empty symbol list, and start working on
7231 new per-type %destructor/%printer. Discussed at
7232 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
7233 * NEWS (2.3+): Add %symbol-default to example.
7234 * bison.texinfo (Freeing Discarded Symbols): Likewise.
7235 (Table of Symbols): Add entry for %symbol-default.
7236 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
7237 (generic_symlist, generic_symlist_item): New nonterminals for creating
7238 a list in which each item is a symbol, semantic type, or
7239 %symbol-default.
7240 (grammar_declaration): Use generic_symlist in %destructor and %printer
7241 declarations instead of symbols.1 or an empty list.
7242 (symbol_declaration, precedence_declaration, symbols.1): Update actions
7243 for changes to symbol_list.
7244 * src/reader.c: Update for changes to symbol_list.
7245 * src/scan-code.l: Likewise.
7246 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
7247 * src/symlist.c, src/symlist.h: Extend such that a list node may
7248 represent a semantic type or a %symbol-default in addition to just an
7249 ordinary symbol. Add switched functions for setting %destructor's and
7250 %printer's.
7251 * tests/actions.at, tests/input.at: Add %symbol-default to all default
7252 %destructor/%printer declarations.
7253
7254 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
7255
7256 Whether the default %destructor/%printer applies to a particular symbol
7257 isn't a question of whether the user *declares* that symbol (in %token,
7258 for example). It's a question of whether the user by any means
7259 *defines* the symbol at all (by simply using a char token, for
7260 example). $end is defined by Bison whereas any other token with token
7261 number 0 is defined by the user. The error token is always defined by
7262 Bison regardless of whether the user declares it with %token, but we
7263 may one day let the user define error as a nonterminal instead.
7264 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
7265 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
7266 the meaning of "user-defined".
7267 * tests/actions.at (Default %printer and %destructor for user-declared
7268 end token): Rename to...
7269 (Default %printer and %destructor for user-defined end token): ...
7270 this.
7271
7272 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
7273 computation of whether to apply the default, don't maintain a list of
7274 every Bison-defined symbol. Instead, just check for a first character
7275 of '$', which a user symbol cannot have, and check for the error token.
7276
7277 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
7278
7279 Don't apply the default %destructor or %printer to the error token,
7280 $undefined, or $accept. This change fits the general rule that the
7281 default %destructor and %printer are only for user-declared symbols,
7282 and it solves several difficulties that are described in the new test
7283 cases listed below.
7284 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
7285 * tests/actions.at (Default %printer and %destructor are not for error
7286 or $undefined, Default %printer and %destructor are not for $accept):
7287 New test cases.
7288
7289 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
7290
7291 Allow %start after the first rule.
7292 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
7293 when parsing the first rule.
7294 (check_and_convert_grammar): Search for it here after all grammar
7295 declarations have been parsed. Skip midrules, which have dummy LHS
7296 nonterminals.
7297 * src/symtab.c (symbol_is_dummy): New function.
7298 * src/symtab.h (symbol_is_dummy): Declare it.
7299 * tests/input.at (%start after first rule): New test.
7300
7301 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
7302
7303 Redo some of the previous commit: add back the ability to use
7304 non-aliased/undeclared string literals since it might be useful to
7305 those declaring %token-table.
7306 * src/reader.c (check_and_convert_grammar): Undo changes in previous
7307 commit: don't worry about complaints from symbols_pack.
7308 * src/symtab.c (symbol_new, symbol_class_set,
7309 symbol_check_alias_consistency): Undo changes in previous commit: count
7310 each string literal as a new symbol and token, assign it a symbol
7311 number, and don't complain about non-aliased string literals.
7312 (symbols_pack): Since symbol_make_alias still does not decrement symbol
7313 and token counts but does still set aliased tokens to the same number,
7314 symbol_pack_processor now leaves empty slots in the symbols array.
7315 Remove those slots.
7316 * tests/regression.at (Undeclared string literal): Remove test case
7317 added in previous commit since non-aliased string literals are allowed
7318 again.
7319 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
7320 remove unnecessary string literal declarations.
7321 * tests/sets.at (Firsts): Likewise.
7322
7323 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
7324
7325 Don't allow an undeclared string literal, but allow a string literal to
7326 be used before its declaration.
7327 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
7328 symbols_pack complained.
7329 * src/symtab.c (symbol_new): Don't count a string literal as a new
7330 symbol.
7331 (symbol_class_set): Don't count a string literal as a new token, and
7332 don't assign it a symbol number since symbol_make_alias does that.
7333 (symbol_make_alias): It's not necessary to decrement the symbol and
7334 token counts anymore. Don't assume that an alias declaration occurs
7335 before any uses of the identifier or string, and thus don't assert that
7336 one of them has the highest symbol number so far.
7337 (symbol_check_alias_consistency): Complain if there's a string literal
7338 that wasn't declared as an alias.
7339 (symbols_pack): Bail if symbol_check_alias_consistency failed since
7340 symbol_pack asserts that every token has been assigned a symbol number
7341 although undeclared string literals have not.
7342 * tests/regression.at (String alias declared after use, Undeclared
7343 string literal): New test cases.
7344 (Characters Escapes, Web2c Actions): Declare string literals as
7345 aliases.
7346 * tests/sets.at (Firsts): Likewise.
7347
7348 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
7349
7350 In the grammar scanner, STRING_FINISH unclosed constructs and return
7351 them to the parser in order to improve error messages.
7352 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
7353 SC_BRACED_CODE, SC_PROLOGUE): Implement.
7354 * tests/input.at (Unclosed constructs): New test case.
7355 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
7356 seen.
7357
7358 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
7359 unused global.
7360
7361 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
7362
7363 Handle string aliases for character tokens correctly.
7364 * src/symtab.c (symbol_user_token_number_set): If the token has an
7365 alias, check and set its alias's user token number instead of its own,
7366 which is set to indicate the alias. Previously, every occurrence of
7367 the character token in the grammar overwrote that alias indicator with
7368 the character code.
7369 * tests/input.at (String aliases for character tokens): New test.
7370
7371 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
7372
7373 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
7374
7375 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
7376
7377 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
7378 to prevent failures when building on older platforms.
7379 Check for autopoint failure.
7380 Set XGETTEXT_OPTIONS to values that check for C format strings,
7381 so that translators are warned about them (this also helps
7382 prevent core dumps).
7383
7384 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
7385 function, since it simplifies our code a bit.
7386
7387 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
7388 rather than -W, so we don't get bogus warnings about sign comparisons.
7389 Add -Wpointer-arith, since that warning is useful (it reports code
7390 that does not conform to C89 and that some compilers reject).
7391 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
7392 since it's no longer needed.
7393
7394 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
7395
7396 Clean up scanners a bit.
7397 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
7398 definitions so gcc won't warn when obstack_for_string is unused.
7399 * src/scan-code.l: config.h and system.h are already #include'd by
7400 scan-code-c.c, so get rid of them here.
7401 * src/scan-gram.l: Likewise.
7402 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
7403 definitions rather than duplicating the rest of it.
7404 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
7405
7406 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
7407
7408 Suppress signed/unsigned comparison warnings for yycheck.
7409 * data/c.m4 (b4_safest_int_type): New macro.
7410 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
7411 a signed int type, cast it to b4_safest_int_type first.
7412 * data/yacc.c: Likewise.
7413 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
7414 also overwritten.
7415
7416 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
7417
7418 * doc/bison.texinfo: Fix some typos.
7419
7420 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
7421
7422 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
7423 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
7424
7425 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
7426 the latest gnulib does this a different way.
7427 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
7428 translation was patched, so stop omitting it.
7429
7430 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
7431
7432 Enable declaration of default %printer/%destructor. Make the parser
7433 use these for all user-declared grammar symbols for which the user does
7434 not declare a specific %printer/%destructor. Thus, the parser uses it
7435 for token 0 if the user declares it but not if Bison generates it as
7436 $end. Discussed starting at
7437 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
7438 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
7439 and
7440 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
7441 * NEWS (2.3+): Mention.
7442 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
7443 declare a %destructor for a mid-rule's semantic value. It's just
7444 impossible to declare one specific to it.
7445 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
7446 code. Describe default %destructor form.
7447 * src/parse-gram.y (grammar_declaration): Parse default
7448 %printer/%destructor declarations.
7449 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
7450 and symbol_destructor_location_get rather than accessing the destructor
7451 and destructor_location members of struct symbol.
7452 (symbol_printers_output): Likewise but for %printer's.
7453 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
7454 again.
7455 * src/symtab.c (default_destructor, default_destructor_location,
7456 default_printer, default_printer_location): New static global
7457 variables to record the default %destructor and %printer.
7458 (symbol_destructor_get, symbol_destructor_location_get,
7459 symbol_printer_get, symbol_printer_location_get): New functions to
7460 compute the appropriate %destructor and %printer for a symbol.
7461 (default_destructor_set, default_printer_set): New functions to set the
7462 default %destructor and %printer.
7463 * src/symtab.h: Prototype all those new functions.
7464 * tests/actions.at (Default %printer and %destructor): New test to
7465 check that the right %printer and %destructor are called, that they're
7466 not called for $end, and that $$ and @$ work correctly.
7467 (Default %printer and %destructor for user-declared end token): New
7468 test to check that the default %printer and %destructor are called for
7469 a user-declared end token.
7470 * tests/input.at (Default %printer and %destructor redeclared, Unused
7471 values with default %destructor): New tests to check related grammar
7472 warnings and errors.
7473
7474 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
7475
7476 Clean up handling of %destructor for the end token (token 0).
7477 Discussed starting at
7478 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
7479 and
7480 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
7481
7482 Make the skeletons consistent in how they pop the end token and invoke
7483 its %destructor.
7484 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
7485 state, which has token number 0, since this would invoke the
7486 %destructor for the end token.
7487 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
7488 until after shifting the end token, or else it won't be popped.
7489 * data/yacc.c (yyparse): Likewise.
7490
7491 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
7492 it's the end token. Upon termination, destroy an unshifted lookahead
7493 even when it's the end token.
7494 * data/lalr1.cc (yy::parser::parse): Likewise.
7495 * data/yacc.c (yyparse): Likewise.
7496
7497 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
7498 value warnings for the end token when the user gives the end token a
7499 %destructor.
7500
7501 * tests/actions.at (Printers and Destructors): Test all the above.
7502
7503 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
7504
7505 Update to latest gnulib and gettext versions.
7506 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
7507 Add fopen-safer.
7508 (gnulib_files): Add m4/warning.m4. Don't worry about files
7509 overwritten by autopoint.
7510 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
7511 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
7512 rejects them.
7513 Don't use autoreconf; instead, invoke autopoint etc. by hand,
7514 so that we can remove the intl files at a better time.
7515 (intl_files_to_remove): Remove aclocal.m4, since it gets
7516 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
7517 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
7518 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
7519 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
7520 Remove datarootdir hack; no longer needed.
7521 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
7522 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
7523 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
7524 strdup.h.
7525 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
7526 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
7527
7528 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
7529
7530 * bootstrap: Adjust to today's change to gnulib-tool by invoking
7531 it with --assume-autoconf='latest-stable'.
7532
7533 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
7534
7535 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
7536 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
7537 YYSTYPE' and `{'.
7538 * src/muscle_tab.h (muscle_grow): Replace the header comments with
7539 those from muscle_tab.c since the old ones are misleading.
7540
7541 2006-07-13 Akim Demaille <akim@epita.fr>
7542
7543 Support %define "KEY" {VALUE}.
7544 * src/scan-code.h, src/scan-code.l (translate_action)
7545 (translate_rule_action, translate_symbol_action, translate_code):
7546 Return char *, not const char *.
7547 * src/parse-gram.y (declaration): Rename as...
7548 (prologue_declaration): this.
7549 (string_content): Remove this nonterminal, use STRING.
7550 (braceless, content, content.opt): New nonterminal.
7551 Use them.
7552 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
7553 as value.
7554 * src/scan-gram.l (getargs.h): Don't include it.
7555
7556 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
7557
7558 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
7559 rather than a for-loop that declares a local bool variable. This
7560 should work around a compatibility problem with a Cray x1e C++
7561 compiler reported by Hung Nguyen in
7562 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
7563 The for-loop was introduced in the 2004-11-17 change but I don't
7564 know why it was needed.
7565
7566 2006-07-12 Akim Demaille <akim@epita.fr>
7567
7568 * data/c.m4: Comment changes.
7569
7570 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
7571
7572 * src/complain.c (error_message, ERROR_MESSAGE): New.
7573 To factor...
7574 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
7575 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
7576
7577 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7578
7579 * NEWS: Instead of %union, you can define and use your own union type
7580 YYSTYPE if your grammar contains at least one <type> tag.
7581 Your YYSTYPE need not be a macro; it can be a typedef.
7582 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
7583 (Union Decl, Decl Summary): Document this.
7584 * data/glr.c (YYSTYPE): Implement this.
7585 * data/glr.cc (YYSTYPE): Likewise.
7586 * data/lalr1.cc (YYSTYPE): Likewise.
7587 * data/yacc.c (YYSTYPE): Likewise.
7588 * src/output.c (prepare): Output tag_seen_flag.
7589 * src/parse-gram.y (declaration, grammar_declaration):
7590 Use 'union_seen' rather than 'typed' to determine whether
7591 %union has been seen, since grammars can now be typed without
7592 %union.
7593 (symbol_declaration, type.opt, symbol_def):
7594 Keep track of whether a tag has been seen.
7595 * src/reader.c (union_seen, tag_seen): New vars.
7596 (typed): remove.
7597 * src/reader.h (union_seen, tag_seen, typed): Likewise.
7598 * src/scan-code.l (untyped_var_seen): New variable.
7599 (handle_action_dollar): Adjust to above changes.
7600 (handle_action_dollar, handle_action_at):
7601 Improve overflow checking for outlandish numbers.
7602 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
7603 avoid new diagnostics generated by above changes.
7604 * tests/regression.at (YYSTYPE typedef): Add test to check
7605 for type tags without %union.
7606
7607 * src/symlist.c (symbol_list_length): Return int, not unsigned
7608 int, since callers expect int. This may need to get revisited
7609 once we have proper integer overflow checking.
7610
7611 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
7612 object is now static.
7613
7614 * src/getargs.c (flags_argmatch): Return void, not int,
7615 to pacify ./configure --enable-gcc-warnings.
7616
7617 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
7618 since last_string is already defined to FLEX_PREFIX (last_string).
7619
7620 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7621
7622 Implement --warnings/-W.
7623 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
7624 replaced by...
7625 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
7626 Adjust callers.
7627 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
7628 (warnings_args, warnings_types): New.
7629 (getargs, short_options, long_options): Accept -W/--warnings.
7630 Sort the options by alphabetical order, upper case letter right
7631 before its lower case.
7632
7633 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
7634
7635 Change %merge result type clash warnings to errors. Discussed at
7636 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
7637 * src/reader.c (record_merge_function_type): Use complain_at.
7638 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7639 declared later): Update test case results.
7640
7641 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7642
7643 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
7644 to be in alphabetical order.
7645 (trace_args): Spelling fixes.
7646
7647 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7648
7649 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
7650 so they don't collide with user-defined macros.
7651 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
7652 this was never guaranteed, and now that we're using gnulib stdint,
7653 which defines int_fast16_t to long int, the problem is exposed.
7654
7655 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
7656
7657 * data/c.m4 (b4_basename): Simplify a bit, since we don't
7658 need the full POSIX semantics (and weren't implementing them
7659 anyway).
7660
7661 Adjust to Autoconf 2.60 and today's gnulib.
7662 * bootstrap (gnulib_modules): Add stdint.
7663 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
7664 no longer copies it.
7665 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
7666 since stdint needs the former and wcwidth (which is now required
7667 by mbswidth) needs the latter.
7668 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
7669 work around a compatibility glitch between gettext 0.14.6 and
7670 Autoconf 2.60.
7671 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
7672 Do not check for uintptr_t, since new stdint module does the right
7673 thing.
7674 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
7675 Add stdint.h, stdint_.h, wcwidth.h.
7676 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
7677 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
7678 stdint.m4, wchar_t.m4, wcwidth.m4.
7679 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
7680 usual order for ../lib/*.h files.
7681 (file_name_split): Use last_component, not base_name, to adjust
7682 to gnulib changes.
7683 * src/parse-gram.h: Include <strverscmp.h> in the usual order
7684 for ../lib/*.h files.
7685 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
7686 Define unconditionally, since we now assume the stdint module.
7687 * src/scan-skel.l: Include <dirname.h>.
7688 (BASE_QPUTS): Use last_component, not base_name.
7689 * src/system.h: Include <unlocked-io.h> in the usual order
7690 for ../lib/*.h files. Include <stdint.h> unconditionally,
7691 since we now use the stdint module.
7692 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
7693 HAVE_UINTPTR_T, since we now use the stdint module.
7694 (base_name): Remove decl, since files now include <dirname.h>
7695 to get the decl.
7696
7697 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
7698
7699 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
7700 New, default to 1.
7701 * data/yacc.c, data/glr.c, data/location.cc: Use them.
7702 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
7703 default.
7704 * tests/calc.at: Adjust.
7705
7706 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
7707
7708 * data/c.m4 (b4_basename): New.
7709 (b4_syncline): Also output the location of its invocation (from
7710 the skeleton).
7711 (b4_user_action, b4_define_user_action, b4_user_actions)
7712 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
7713 (b4_user_stype): New.
7714 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
7715
7716 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
7717
7718 In the grammar file, the first column is 1 not 0 on the first line as
7719 on every other line.
7720 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
7721 * tests/input.at (Torturing the Scanner): Update output.
7722
7723 * src/scan-gram.l (scanner_cursor): Declare it static.
7724
7725 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
7726
7727 In warnings, say "previous declaration" rather than "first
7728 declaration".
7729 * src/symtab.c (redeclaration): Do that here.
7730 * src/reader.c (record_merge_function_type): In the case of a result
7731 type clash, report the previous declaration rather than the very first
7732 one in the grammar file.
7733 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7734 declared later): Add a third declaration to check this behavior.
7735 * tests/input.at (Incompatible Aliases): Update output.
7736
7737 2006-06-27 Akim Demaille <akim@epita.fr>
7738
7739 * doc/Doxyfile.in: New.
7740 * doc/Makefile.am: Use it.
7741 * src/lalr.h, src/symtab.h: Initial doxygenation.
7742
7743 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7744
7745 Don't miss %merge result type warnings just because the LHS types are
7746 declared after the %merge. This continues the effort of the previous
7747 patch.
7748 * src/reader.c (get_merge_function): Don't set the merger type yet.
7749 (record_merge_function_type): New function for setting the merger type
7750 and checking for clashes.
7751 (grammar_current_rule_merge_set): Set the location of the %merge for
7752 the current rule.
7753 (packgram): Invoke record_merge_function_type for each rule now that
7754 all symbol type declarations have been parsed.
7755 * src/reader.h (merger_list.type_declaration_location): New member
7756 storing the location of the first %merge from which the type for this
7757 merging function was derived.
7758 * src/symlist.h (symbol_list.merger_declaration_location): New member
7759 storing the location of a rule's %merge, if any.
7760 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7761 declared later): New test to catch the error fixed by the above patch.
7762
7763 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7764
7765 Get action warnings (grammar_rule_check) right even when symbol
7766 declarations appear after the rules. Discussed at
7767 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
7768 and
7769 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
7770 Don't mistake the type of $$ in a midrule to be that of its parent
7771 rule's $$.
7772 * src/reader.c (grammar_current_rule_end): Don't invoke
7773 grammar_rule_check yet since not all symbol declarations may have been
7774 parsed yet.
7775 (grammar_midrule_action): Likewise.
7776 Don't record whether the midrule's $$ has been used yet since actions
7777 haven't been translated yet.
7778 Record the midrule's parent rule and its RHS index within the parent
7779 rule.
7780 (grammar_current_rule_action_append): Don't translate the action yet
7781 since not all symbol declarations may have been parsed yet and, thus,
7782 warnings about types for $$, $n, @$, and @n can't be reported yet.
7783 (packgram): Translate the action and invoke grammar_rule_check now that
7784 all symbol declarations have been parsed.
7785 * src/scan-code.l (handle_action_dollar): Now that this is invoked
7786 after parsing the entire grammar file, the symbol list here in the case
7787 of a midrule is actually the midrule's empty RHS, so reference its
7788 parent rule's RHS where necessary.
7789 On the other hand, now that you can already know it's a midrule, you
7790 aren't forced to think $$ has the same type as its parent rule's $$.
7791 (handle_action_at): In the case of a midrule, reference the parent rule
7792 where necessary.
7793 * src/symlist.c (symbol_list_new): Initialize new midrule-related
7794 members.
7795 (symbol_list_length): Now that this is invoked after all rules have
7796 been parsed, a NULL symbol (rather than a NULL symbol list node)
7797 terminates a rule. symbol_list_print already does this correctly.
7798 * src/symlist.h (symbol_list.midrule_parent_rule,
7799 symbol_list.midrule_parent_rhs_index): New members so that midrules can
7800 remember their relationships with their parents.
7801 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
7802 fixed by the above patch.
7803 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
7804 implementing...
7805 (Unused values): ... this old test case and...
7806 (Unused values before symbol declarations): ... this new test case.
7807 This one is the same as `Unused values' except that all symbol
7808 declarations appear after the rules in order to catch the rest of the
7809 errors fixed by the above patch.
7810
7811 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7812
7813 More cleanup.
7814 * src/reader.c (current_rule): Declare it static since it's no longer
7815 used outside this file.
7816 (grammar_current_rule_action_append): Remove redundant arguments from
7817 translate_rule_action invocation.
7818 * src/reader.h (current_rule): Remove this unused extern.
7819 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
7820 * src/scan-code.l (translate_rule_action): Likewise.
7821
7822 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
7823
7824 Clean up yesterday's patch.
7825 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
7826 to...
7827 * src/reader.c (grammar_current_rule_action_append): ... here for
7828 consistency with grammar_current_rule_symbol_append.
7829 * tests/regression.at (Braced code in declaration in rules section):
7830 Make yyerror and yylex static as usual.
7831
7832 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
7833
7834 Fix bug that mistakes braced code in a declaration in the rules section
7835 to be a rule action. Mentioned at
7836 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
7837 * src/scan-gram.l: Move midrule action detection from the start of the
7838 scanning of any braced code to...
7839 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
7840 action. For readability, use $2 and @2 rather than the equivalent
7841 global variables.
7842 * tests/regression.at (Braced code in declaration in rules section):
7843 New test to catch the error fixed by the above patch.
7844
7845 Work on code readability some.
7846 * src/scan-code.l (current_rule): Get rid of this misleading and
7847 redundant declaration: it's actually extern'ed in reader.h.
7848 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
7849 translate_action): Add a rule argument and use it instead of the global
7850 current_rule.
7851 (translate_rule_action): This already receives current_rule through an
7852 argument, so pass it on to translate_action instead of assigning
7853 current_rule to current_rule.
7854 (translate_symbol_action, translate_code): Pass rule = NULL to
7855 translate_action.
7856
7857 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
7858
7859 Rename %before-definitions to %start-header and %after-definitions to
7860 %end-header. Don't use these declarations to separate pre-prologue
7861 blocks from post-prologue blocks. Add new order-independent
7862 declarations %before-header and %after-header as alternatives to the
7863 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
7864 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
7865 * NEWS (2.3+): Update for these changes.
7866 * data/glr.c (b4_before_definitions): Update to...
7867 (b4_start_header): ... this.
7868 (b4_after_definitions): Update to...
7869 (b4_end_header): ... this.
7870 * data/glr.cc: Likewise.
7871 * data/lalr1.cc: Likewise.
7872 * data/yacc.c: Likewise.
7873 * doc/bison.texinfo (The prologue): Update names, and replace remaining
7874 prologue blocks with %*-header declarations.
7875 (Calc++ Parser): Likewise.
7876 (Decl Summary): Update names.
7877 (Table of Symbols): Update description.
7878 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
7879 (PERCENT_END_HEADER): ... this.
7880 (PERCENT_BEFORE_DEFINITIONS): Update to...
7881 (PERCENT_START_HEADER): ... this.
7882 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
7883 (declaration): Update token names and m4 macro names.
7884 When parsing %end-header and %start-header, invoke translate_code
7885 before muscle_code_grow, and no longer set global booleans to remember
7886 whether these declarations have been seen.
7887 Parse new %after-header and %before-header.
7888 * src/reader.c (before_definitions, after_definitions): Remove.
7889 (prologue_augment): Accept a new bool argument to specify whether to
7890 augment the pre-prologue or post-prologue.
7891 * src/reader.h (before_definitions, after_definitions): Remove these
7892 extern's.
7893 (prologue_augment): Add new bool argument.
7894 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
7895 (PERCENT_END_HEADER): ... this.
7896 (PERCENT_BEFORE_DEFINITIONS): Update to...
7897 (PERCENT_START_HEADER): ... this.
7898 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
7899 * tests/actions.at (Printers and Destructors): Update names.
7900
7901 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
7902
7903 Add comparison operators for C++ location classes. Discussed at
7904 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
7905 * data/c++.m4 (b4_define_location_comparison): New boolean %define
7906 declaration indicating whether filename_type has an operator==. If
7907 filename_type is `std::string', it defaults to `1', `0' otherwise.
7908 * data/location.cc: Iff b4_define_location_comparison is `1', add
7909 operator== and operator!= for class position and for class location.
7910
7911 Some minor fixes.
7912 * src/scan-action.l: Remove unused file.
7913 * src/symtab.c (symbol_printer_set): Use printer_location not
7914 destructor_location.
7915 * src/symtab.h (struct symbol): Replace incorrect source comment for
7916 printer members.
7917 * tests/input.at (Incompatible Aliases): Update output with correct
7918 printer location.
7919
7920 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
7921
7922 Don't put the pre-prologue in the header file. For the yacc.c code
7923 file and the glr.c header and code files, move the pre-prologue before
7924 the token definitions. Add new %before-definitions and
7925 %after-definitions to declare code that will go in both the header file
7926 and code file. Discussed at
7927 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
7928 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
7929 and
7930 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
7931 * NEWS (2.3+): Describe these changes.
7932 * data/glr.c (b4_pre_prologue): Move from within to before...
7933 (b4_shared_declarations): ... this.
7934 Add new b4_before_definitions before b4_token_enums.
7935 Add new b4_after_definitions at the end.
7936 * data/glr.cc (b4_pre_prologue): Replace with...
7937 (b4_before_definitions): ... this in the header file.
7938 (b4_after_definitions): New near the end of the header file.
7939 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
7940 code file right before including the header file.
7941 (b4_before_definitions): New in the previous position of
7942 b4_pre_prologue in the header file.
7943 (b4_after_definitions): New near the end of the header file.
7944 * data/yacc.c: Clean up some m4 quoting especially in the header file.
7945 (b4_token_enums_defines): In the code file, move to right before
7946 YYSTYPE for consistency with the header file.
7947 (b4_before_definitions): New right before b4_token_enums_defines in
7948 both the header and code file.
7949 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
7950 header and code file.
7951 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
7952 of prologues for %union dependencies.
7953 (Decl Summary): In %defines description, mention the effect of
7954 %before-definitions and %after-definitions on the header file.
7955 (Calc++ Parser): Forward declare driver in a %before-definitions rather
7956 than in the pre-prologue so that make check succeeds.
7957 (Table of Symbols): Add entries for %before-definitions and
7958 %after-definitions.
7959 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
7960 %before-definitions.
7961 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
7962 (declaration): Parse those declarations and append to
7963 b4_before_definitions and b4_after_definitions, respectively.
7964 * src/reader.c (before_definitions, after_definitions): New bools to
7965 track whether those declarations have been seen.
7966 (prologue_augment): Add to the post-prologue if %union,
7967 %before-definitions, or %after-definitions has been seen.
7968 * src/reader.h (before_definitions, after_definitions): New extern's.
7969 * src/scan-gram.l: Scan the new declarations.
7970 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
7971 prologue block in a %before-definitions or a %after-definitions based
7972 on whether the %union is declared.
7973 * tests/regression.at (Early token definitions with --yacc, Early token
7974 definitions without --yacc): Move tests for token definitions into the
7975 post-prologue since token names are no longer defined in the
7976 pre-prologue.
7977
7978 2006-06-20 Akim Demaille <akim@epita.fr>
7979
7980 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
7981 (symbol_get): Use it.
7982 * src/parse-gram.y: Use it.
7983
7984 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
7985
7986 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
7987 build succeeds when configured with --enable-gcc-warnings.
7988
7989 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
7990
7991 * src/parse-gram.y (char_name): New function.
7992 (CHAR, STRING, string_content): For %printer, properly escape.
7993 (ID): Prefer fputs to fprintf.
7994 (id): Reindent to be consistent with other rules.
7995 Properly quote char.
7996
7997 The Translation Project changed its way of publishing translations
7998 to maintainers. I haven't received any responses to my request
7999 for supporting the old way, or for documenting the new way. I
8000 have modified 'bootstrap' to use screen scraping
8001 (in this case, HTML scraping). This is unreliable and inelegant,
8002 but I don't see any better way. Yuck.
8003 * bootstrap (TP_URL, WGET_COMMAND): New vars.
8004 (get_translations): New function, which uses HTML scraping to
8005 deduce locations of latest translations.
8006 Use this function to grab both bison and bison-runtime .po files.
8007 Don't bother priming the pump for the runtime-po domain any more,
8008 as it's now translated better than bison is.
8009
8010 2006-06-19 Akim Demaille <akim@epita.fr>
8011
8012 * src/scan-gram.l: No longer "parse" things after `%union' until
8013 `{'. Rather, return a single "%union" token.
8014 No longer make symbols: return strings, and leave the conversion
8015 to symbols to the parser.
8016 (SC_PRE_CODE, token_type): Remove.
8017 * src/parse-gram.y (%union): New field `character'.
8018 Sort tokens.
8019 (CHAR): New token.
8020 (ID, ID_COLON): Now that the scanner no longer makes them
8021 identifiers, adjust all uses to invoke symbol_get.
8022 (id_colon): New, wraps the conversion from string to symbol.
8023 (%union): Accept a possible union_name.
8024 (symbol): Now can be a char.
8025 * data/c.m4 (b4_union_name): Leave a default value.
8026 * data/glr.c, data/yacc.c: Use it.
8027
8028 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
8029
8030 For associating token numbers with token names for "yacc.c", don't use
8031 #define statements unless `--yacc' is specified; always use enum
8032 yytokentype. Most important discussions start at:
8033 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
8034 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
8035 and
8036 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
8037 * NEWS (2.3+): Mention.
8038 * data/c.m4 (b4_yacc_if): New.
8039 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
8040 token #define's.
8041 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
8042 on token name definitions.
8043 * src/getargs.c (usage): Capitalize `Yacc' in English.
8044 * src/output.c (prepare): Define b4_yacc_flag.
8045 * tests/regression.at (Early token definitions): Test that tokens names
8046 are defined before the pre-prologue not just before the post-prologue.
8047 Remove this test case and copy to...
8048 (Early token definitions with --yacc): ... this to test #define's.
8049 (Early token definitions without --yacc): ... and this to test enums.
8050
8051 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
8052
8053 * NEWS: Reword the post-2.3 change to not be so optimistic about
8054 removing the old "look-ahead" spelling.
8055 Update previous look-ahead/lookahead change reports.
8056 * REFERENCES: look-ahead -> lookahead (since that's
8057 what he actually wrote).
8058 * doc/refcard.tex: look ahead -> lookahead,
8059 look-ahead -> lookahead
8060
8061 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
8062
8063 For consistency, use `lookahead' instead of `look-ahead' or
8064 `look_ahead'. Discussed starting at
8065 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
8066 and then at
8067 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
8068 * NEWS: For the next release, note the change to `--report'.
8069 * TODO, doc/bison.1: Update English.
8070 * doc/bison.texinfo: Update English.
8071 (Understanding Your Parser, Bison Options): Document as
8072 `--report=lookahead' rather than `--report=look-ahead'.
8073 * src/conflicts.c: Update English in comments.
8074 (lookahead_set): Rename from look_ahead_set.
8075 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
8076 (resolve_sr_conflict): Rename local look_ahead_tokens to
8077 lookahead_tokens, and update other uses.
8078 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
8079 count_rr_conflicts, conflicts_free): Update uses.
8080 * src/getargs.c (report_args): Move "lookahead" before alternate
8081 spellings.
8082 (report_types): Update uses.
8083 (usage): For `--report' usage description, state `lookahead' spelling
8084 rather than `look-ahead'.
8085 * src/getargs.h (report.report_lookahead_tokens): Rename from
8086 report_look_ahead_tokens.
8087 * src/lalr.c: Update English in comments.
8088 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
8089 (state_lookahead_tokens_count): Rename from
8090 state_look_ahead_tokens_count.
8091 Rename local n_look_ahead_tokens to n_lookahead_tokens.
8092 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
8093 Rename local n_look_ahead_tokens to n_lookahead_tokens.
8094 Update other uses.
8095 Update English in output.
8096 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
8097 * src/print.c: Update English in comments.
8098 (lookahead_set): Rename from look_ahead_set.
8099 (print_reduction): Rename argument lookahead_token from
8100 look_ahead_token.
8101 (print_core, state_default_rule, print_reductions, print_results):
8102 Update uses.
8103 * src/print_graph.c: Update English in comments.
8104 (print_core): Update uses.
8105 * src/state.c: Update English in comments.
8106 (reductions_new): Update uses.
8107 (state_rule_lookahead_tokens_print): Rename from
8108 state_rule_look_ahead_tokens_print, and update other uses.
8109 * src/state.h: Update English in comments.
8110 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
8111 (state_rule_lookahead_tokens_print): Rename from
8112 state_rule_look_ahead_tokens_print.
8113 * src/tables.c: Update English in comments.
8114 (conflict_row, action_row): Update uses.
8115 * tests/glr-regression.at
8116 (Incorrect lookahead during deterministic GLR,
8117 Incorrect lookahead during nondeterministic GLR): Rename
8118 print_look_ahead to print_lookahead.
8119 * tests/torture.at: Update English in comments.
8120 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
8121 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
8122 (Many lookahead tokens): Update uses.
8123 * data/glr.c: Update English in comments.
8124 * lalr1.cc: Likewise.
8125 * yacc.c: Likewise.
8126 * src/conflicts.h: Likewise.
8127 * src/lalr.h: Likewise.
8128 * src/main.c: Likewise.
8129 * src/output.c: Likewise.
8130 * src/parse-gram.c: Likewise.
8131 * src/tables.h: Likewise.
8132 * tests/calc.at: Likewise.
8133
8134 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
8135
8136 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
8137
8138 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
8139
8140 * TODO: Add request from Nelson H. F. Beebe to be able to install
8141 Bison without installing the yacc script.
8142
8143 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
8144
8145 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
8146 and yytext if they're already #define'd.
8147 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
8148 * src/scan-code-c.c: ... here.
8149 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
8150 <config.h>.
8151
8152 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
8153
8154 Get Bison to build again when configured with --enable-gcc-warnings.
8155 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
8156 missing #include's.
8157 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
8158 loc argument as it shadows a global.
8159 * src/scan-gram.l: Remove stray comma that prevents boundary_set
8160 invocation.
8161
8162 * src/.cvsignore: Add scan-code.c.
8163
8164 2006-06-07 Akim Demaille <akim@epita.fr>
8165
8166 * src/scan-gram.l: Move the "add a trailing ; to actions" code
8167 to...
8168 * src/scan-code.l: here.
8169 * tests/input.at (Torturing the Scanner): Fix another location
8170 error.
8171
8172 2006-06-07 Akim Demaille <akim@epita.fr>
8173
8174 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
8175
8176 2006-06-06 Akim Demaille <akim@epita.fr>
8177
8178 Extract the parsing of user actions from the grammar scanner.
8179 As a consequence, the relation between the grammar scanner and
8180 parser is much simpler. We can also split "composite tokens" back
8181 into simple tokens.
8182 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
8183 * src/scan-gram.l (add_column_width, adjust_location): Move to and
8184 rename as...
8185 * src/location.h, src/location.c (add_column_width)
8186 (location_compute): these.
8187 Fix the column count: the initial column is 0.
8188 (location_print): Be robust to ending column being 0.
8189 * src/location.h (boundary_set): New.
8190 * src/main.c: Adjust to scanner_free being renamed as
8191 gram_scanner_free.
8192 * src/output.c: Include scan-code.h.
8193 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
8194 Use boundary_set.
8195 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
8196 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
8197 which is now, again, a separate token.
8198 Adjust all dependencies.
8199 Wherever actions with $ and @ are used, use translate_code.
8200 (action): Remove this nonterminal which is now useless.
8201 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
8202 (grammar_current_rule_action_append): Use translate_code.
8203 (packgram): Bound check ruleno, itemno, and rule_length.
8204 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
8205 (last_string, last_braced_code_loc, max_left_semantic_context)
8206 (scanner_initialize, scanner_free, scanner_last_string_free)
8207 (gram_out, gram_lineno, YY_DECL_): Move to...
8208 * src/scan-gram.h: this new file.
8209 (YY_DECL): Rename as...
8210 (GRAM_DECL): this.
8211 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
8212 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
8213 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
8214 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
8215 Move these declarations, and...
8216 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
8217 these to...
8218 * src/flex-scanner.h: this new file.
8219 * src/scan-gram.l (rule_length, rule_length_overflow)
8220 (increment_rule_length): Remove.
8221 (last_braced_code_loc): Rename as...
8222 (gram_last_braced_code_loc): this.
8223 Adjust to the changes of the parser.
8224 Move all the handling of $ and @ into...
8225 * src/scan-code.l: here.
8226 * src/scan-gram.l (handle_dollar, handle_at): Remove.
8227 (handle_action_dollar, handle_action_at): Move to...
8228 * src/scan-code.l: here.
8229 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
8230 scan-code.h, scan-code-c.c, scan-gram.h.
8231 (EXTRA_bison_SOURCES): Add scan-code.l.
8232 (BUILT_SOURCES): Add scan-code.c.
8233 (yacc): Be robust to white spaces.
8234
8235 * tests/conflicts.at, tests/input.at, tests/reduce.at,
8236 * tests/regression.at: Adjust the column numbers.
8237 * tests/regression.at: Adjust the error message.
8238
8239 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
8240
8241 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
8242 Use Akim's wording from
8243 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
8244
8245 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
8246
8247 Between Bison releases, manually append `+' to the previous Bison
8248 release number, and use that as a signal to automatically print the
8249 ChangeLog's CVS Id keyword from --version. Discussed starting at
8250 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
8251 * ChangeLog: Add Id header.
8252 * configure.ac (AC_INIT): Append `+' to `2.3'.
8253 * src/.cvsignore: Add revision.c.
8254 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
8255 (BUILT_SOURCES): Add revision.c.
8256 (revision.c): New target rule. This file defines a new global variable
8257 named revision. It initializes it with either the Id from ChangeLog
8258 or, if VERSION doesn't contain `+', with the empty string.
8259 * src/getargs.c (version): Print the value of revision.
8260 * src/revision.h: Extern revision.
8261
8262 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
8263
8264 * NEWS: Version 2.3.
8265 * configure.ac (AC_INIT): Likewise.
8266
8267 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
8268
8269 * data/glr.c (YYRECOVERING): Define to be a function-like macro
8270 with no arguments, not as an object-like macro. This is for
8271 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
8272 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
8273 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
8274 Document this.
8275
8276 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
8277
8278 * src/getargs.c (usage): Back out yesterday's modification of the
8279 --help output so that we don't have to wait for translation before
8280 releasing 2.3.
8281
8282 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
8283
8284 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
8285 Problem reported by Akim Demaille.
8286
8287 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
8288
8289 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
8290
8291 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
8292
8293 * data/yacc.c (yy_reduce_print): Omit trailing white space in
8294 generated source code. Problem reported by Frans Englich in
8295 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
8296
8297 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
8298
8299 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
8300 shell, not within 'make', so that 'make' by an ordinary builder
8301 (using GNU make) does not worry about configuring gzip. This also
8302 works around a bug reported independently by Keith Thompson and by
8303 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
8304 stderr rather than stdout, messing up the build logs.
8305
8306 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
8307
8308 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
8309 to make sure that YYID will never be unused. This fixes a 'make
8310 maintainer-check' failure caused by the recent changes to the 'Trivial
8311 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
8312 not used.
8313 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
8314
8315 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
8316
8317 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
8318 state before an empty RHS is always resolved here. Only the location
8319 of that state is guaranteed to be resolved, and that's enough. This
8320 fixes the remaining bug reported by Derek M. Jones in
8321 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
8322 * tests/glr-regression.at (Uninitialized location when reporting
8323 ambiguity): Test the above case.
8324 Also, the embedded comments in this test case claim it checks the case
8325 of an empty RHS that has inherited the initial location. However, the
8326 corresponding LHS was already resolved, so yyresolveLocations didn't
8327 actually have reason to modify it. Fix this by forcing
8328 nondeterministic operation at the beginning of the parse.
8329
8330 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
8331
8332 * data/c.m4 (b4_yy_symbol_print_generate):
8333 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
8334 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
8335 of the bugs reported today by Derek M Jones in
8336 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
8337 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
8338 defined to be a type name without parens or brackets.
8339 (Location Type): Similarly for YYLTYPE.
8340 * tests/regression.at (Trivial grammars): Put in a test for this
8341 bug that will be caught by 'make maintainer-check' (though not,
8342 alas, by 'make check' unless your compiler is picky).
8343
8344 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
8345
8346 * NEWS: Version 2.2.
8347 * configure.ac (AC_INIT): Likewise.
8348
8349 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
8350
8351 * data/glr.c (yyreportTree): Make room in yystates for the state
8352 preceding the RHS. This fixes the segmentation fault reported by Derek
8353 M. Jones in
8354 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
8355 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
8356 to the user. Reported for yyreportTree by Derek M. Jones later in the
8357 same thread.
8358 * THANKS: Add Derek M. Jones.
8359 Update my email address.
8360 Fix typo in Steve Murphy's name.
8361
8362 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
8363
8364 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
8365 checking against YYLAST that caused the parser to miss a potential
8366 alternative in its diagnostic.
8367 Problem reported by Maria Jose Moron Fernandez in
8368 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
8369 * data/lalr1.cc (yysyntax_error_): Likewise.
8370 * data/yacc.c (yysyntax_error): Likewise.
8371 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
8372 tokens, in case we run into an older C compiler.
8373 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
8374 Use them to check for the off-by-one error fixed above.
8375
8376 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
8377 YYSIZE_T, not size_t.
8378 * tests/regression.at (Trivial grammars): New test, to catch
8379 the error fixed by the above patch.
8380
8381 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8382
8383 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
8384 scheme.
8385 Reported by Steve Murphy.
8386
8387 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8388
8389 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
8390 * data/glr.cc: b4_location_flag is now b4_locations_flag.
8391
8392 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8393
8394 Implement --trace=m4.
8395 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
8396 * src/output.c (output_skeleton): When set, pass -dV to m4.
8397
8398 Factor the handling of flags in m4.
8399 * src/output.c (prepare): Rename the muscle names debug, defines,
8400 error_verbose to debug_flag, defines_flag, error_verbose_flag.
8401 * data/c.m4: Adjust.
8402 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
8403 Use b4_define_flag_if to define other b4_FLAG_if macros.
8404 (b4_location_if): As a consequence, rename as...
8405 (b4_locations_if): this, for consistency.
8406 Adjust all the skeletons.
8407
8408 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8409
8410 * etc/bench.pm: Shorten bench names.
8411
8412 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8413
8414 * src/output.h, src/output.c (error_verbose): Move to...
8415 * src/getargs.h, src/getargs.c: here.
8416 Sort the flags.
8417 Adjust dependencies.
8418
8419 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
8420
8421 * data/c.m4 (b4_copyright): Put the special exception for Bison
8422 skeletons here, so we don't have to put it in each skeleton. All
8423 uses changed. Suggested by Akim Demaille. Also, wrap the
8424 copyright notice, in case it is longer than 80 columns. Replace
8425 comma by newline after title.
8426
8427 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
8428
8429 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
8430 incompatibility, not a bug. Mention that it wasn't fixed as of
8431 flex 2.5.33.
8432
8433 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
8434
8435 * examples/extexi: Enforce the precedence of concatenation over
8436 >>.
8437 Reported by Tommy Nordgren.
8438
8439 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
8440
8441 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
8442 with the member "token".
8443 Reported by Martin Nylin.
8444
8445 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
8446
8447 * data/glr.c: Switch to Bison 2.2 special-exception language in
8448 the copyright notice. Use more-regular format for titles and
8449 copyright notices.
8450 * data/glr.cc: Likewise.
8451 * data/location.cc: Likewise.
8452 * data/yacc.cc: Likewise.
8453 * doc/bison.texinfo (Conditions): Document this.
8454 * NEWS: likewise. Upgrade version to 2.2.
8455
8456 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
8457
8458 * data/glr.cc: Remove dead code.
8459
8460 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
8461
8462 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
8463 that variable and the line breaks the bootstrap. Problem reported
8464 by Juan M. Guerrero.
8465
8466 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
8467
8468 * doc/bison.texinfo (Multiple start-symbols): New.
8469
8470 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
8471
8472 * etc/README, etc/bench.pl: New.
8473
8474 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
8475
8476 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
8477 rule.
8478 Reported by Mickael Labau.
8479 * tests/input.at (Torturing the Scanner): Test it.
8480
8481 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
8482
8483 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
8484 Problem reported by Bob Rossi.
8485
8486 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
8487
8488 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
8489 and didn't really work.
8490 For the index, use @ifnotinfo, not @iftex.
8491 Minor cleanups of spacing and terminology.
8492
8493 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
8494
8495 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
8496 of AT_NAME_PREFIX when %name-prefix is not used.
8497
8498 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
8499
8500 Apply --prefix to C++ skeletons too: they change the namespace.
8501 The test suite already exercize these cases.
8502 * data/c++.m4 (b4_namespace): New.
8503 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
8504 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
8505 * data/yacc.c, data/glr.c: Remove a useless `[]'.
8506 * doc/bison.texinfo: Document it.
8507 (Option Cross Key): Use @multitable in all formats. It looks
8508 nicer, even in TeX outputs.
8509 (Rules): Use the same code whatever the output type is.
8510 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
8511 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
8512 * tests/calc.at: Use it, instead of hard coding `yy'.
8513
8514 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8515
8516 * TODO: Remove dead items.
8517
8518 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8519
8520 * doc/FAQ: Remove, merged into...
8521 * doc/bison.texinfo (FAQ): this.
8522 * doc/Makefile.am (EXTRA_DIST): Adjust.
8523
8524 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8525
8526 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
8527 even if empty.
8528 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
8529 * doc/bison.texinfo (Calc++ Scanner): Use it.
8530
8531 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
8532
8533 Fix two nits reported by twlevo, plus one more that I discovered.
8534
8535 * src/assoc.h (assoc_to_string): Give a name to the arg, as
8536 this is the usual Bison style.
8537 * src/location.h (location_print): Likewise.
8538
8539 * src/reader.h (token_name): Likewise.
8540
8541 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
8542
8543 Fix some nits reported by twlevo.
8544 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
8545 and "POSIX". Use more-modern syntax for URLs. Mention C++
8546 and ask for Java. Don't hardwire OS version numbers. Add
8547 copyright notice.
8548 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
8549 * src/conflicts.c (solved_conflicts_obstack): Now static.
8550
8551 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
8552
8553 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
8554 page. Say "you can use it" not "you may use it" as on the web page;
8555 we're describing capabilities not granting permission.
8556
8557 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
8558
8559 * data/glr.c (yyresolveLocations): Rename local variables to avoid
8560 shadowing warnings. Use usual patter for iterating through RHS.
8561 * tests/glr-regression.at
8562 (Uninitialized location when reporting ambiguity):
8563 Modify yylex so that it uses its argument, rather than trying
8564 to rely on ARGSUSED (which doesn't work for gcc with warnings).
8565 const char -> char const.
8566
8567 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
8568 Don't use tabs inside commands; it messes up 'ps'.
8569 Problem reported by twlevo.
8570
8571 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
8572
8573 * tests/glr-regression.at (Uninitialized location when reporting
8574 ambiguity): New test case.
8575 * data/glr.c (yyresolveLocations): New function, which uses
8576 YYLLOC_DEFAULT.
8577 (yyresolveValue): Invoke yyresolveLocations before reporting an
8578 ambiguity.
8579 * doc/bison.texinfo (Default Action for Locations): Note
8580 YYLLOC_DEFAULT's usage for ambiguity locations.
8581 (GLR Semantic Actions): Cross-reference those notes.
8582
8583 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
8584
8585 * tests/glr-regression.at (Leaked semantic values when reporting
8586 ambiguity): Remove unnecessary union and type declarations.
8587 (Leaked lookahead after nondeterministic parse syntax error): New test
8588 case.
8589 * data/glr.c (yyparse): Check for zero stacks remaining before
8590 attempting to shift the lookahead so that you don't lose it.
8591
8592 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8593
8594 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
8595 * tests/glr-regression.at (Leaked semantic values when reporting
8596 ambiguity): New test case.
8597 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
8598 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
8599 now unnecessary yystackp parameter.
8600 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
8601 destructors can be called.
8602
8603 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
8604 in existing testcases.
8605
8606 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8607
8608 Don't leak semantic values for parent RHS when a user action cuts the
8609 parser, and clean up related code a bit.
8610 * tests/glr-regression.at (Leaked merged semantic value if user action
8611 cuts parse): Rename to...
8612 (Leaked semantic values if user action cuts parse): ... this. Add check
8613 for leaked parent RHS values.
8614 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
8615 between an unresolved state (non-empty chain of semantic options) and
8616 an incomplete one (signaled by an empty chain).
8617 (yyresolveStates): Document the interface. Move all manipulation of a
8618 successfully or unsuccessfully resolved yyGLRState to...
8619 (yyresolveValue): ... here so that yyresolveValue always leaves a
8620 yyGLRState with consistent data and thus is easier to understand.
8621 Remove the yyvalp and yylocp parameters since they are always just
8622 taken from the yys parameter. When reporting a discarded merged value
8623 in debugging output, note that it is incompletely merged. Document the
8624 interface.
8625 (yyresolveAction): If resolving any of the RHS states fails, destroy
8626 them all rather than leaking them. Thus, as long as user actions are
8627 written to clean up the RHS correctly, yyresolveAction always cleans up
8628 the RHS of a semantic option. Document the interface.
8629
8630 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
8631
8632 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
8633 led to a segmentation fault in GNU Pascal. Problem reported
8634 by Waldek Hebisch.
8635
8636 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
8637
8638 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
8639 mid-rule action inside a nonterminal symbol in order to declare a
8640 destructor for its semantic value.
8641
8642 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
8643
8644 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
8645 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
8646 __cplusplus && ! defined _STDLIB_H && !
8647 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
8648 defined free))]: Include <stdlib.h> rather than rolling our own
8649 declarations of malloc and free, to avoid problems with
8650 incompatible declarations (using 'throw') C++'s stdlib.h. This
8651 should fix Debian bug 340012
8652 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
8653 reported by Guillaume Melquiond.
8654
8655 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8656
8657 * NEWS: Clarify symbols versus types in unused-value warnings.
8658
8659 * configure.ac (AC_INIT): Bump version number.
8660
8661 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8662
8663 * NEWS: Version 2.1a.
8664 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
8665 since C99 requires this.
8666
8667 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
8668
8669 * m4/c-working.m4: New file.
8670 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
8671
8672 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
8673
8674 * Makefile.maint: Merge from coreutils.
8675
8676 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
8677
8678 More portability fixes for problems summarized by Nelson H. F. Beebe.
8679
8680 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
8681 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
8682 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
8683 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
8684 messes up because C++ code is compiled in 32-bit mode but linked
8685 in 64-bit mode.
8686
8687 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
8688
8689 More portability fixes for problems summarized by Nelson H. F. Beebe.
8690
8691 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
8692 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
8693
8694 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
8695 nodist_PROGRAMS, since we don't need to actually compile the
8696 example if we're just doing a plain 'make'. This avoids bothering
8697 the installer unnecessarily about problems due to weird C++
8698 compilers.
8699
8700 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
8701
8702 More portability fixes for problems summarized by Nelson H. F. Beebe.
8703
8704 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
8705 than #include "...", and compile with -I'.'. The old method was
8706 not portable, according to Posix and the C standard, and it does
8707 not work with Sun C 5.7, where previous #line directives affect
8708 the working directory used in later #include "..." directives.
8709
8710 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8711
8712 Various DJGGP specific issues in /djgpp
8713
8714 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
8715
8716 More portability fixes for problems summarized by Nelson H. F. Beebe.
8717
8718 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
8719 '#include <map>' works and that you can apply ++ to iterators.
8720
8721 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
8722
8723 Work around portability problems summarized by Nelson H. F. Beebe in
8724 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
8725
8726 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
8727 that '#include <string>' works.
8728
8729 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
8730 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
8731 "warning: sorry: semantics of inline function static data `const
8732 unsigned char translate_table[262]' are wrong (you'll wind up with
8733 multiple copies)".
8734
8735 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
8736 or, xor to not_, and_, or_, and xor_, respectively. This works
8737 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
8738 random system header somewhere that includes the equivalent of
8739 <iso646.h>.
8740
8741 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
8742 -E" works; it apparently doesn't work with PathScale EKO Compiler
8743 Suite Version 2.0.
8744
8745 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
8746
8747 During deterministic GLR operation, user actions should be able to
8748 influence the parse by changing yychar. To make this easier to fix and
8749 to make glr.c easier to evolve in general, don't maintain yytoken in
8750 parallel with yychar; just compute yytoken when needed.
8751 * tests/glr-regression.at (Incorrect lookahead during deterministic
8752 GLR): Check that setting yychar in a user action has the intended
8753 effect.
8754 * data/glr.c (yyGLRStack): Remove yytokenp member.
8755 (yyclearin): Don't set *yytokenp.
8756 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
8757 yychar rather than *yytokenp to determine the current lookahead.
8758 Compute yytoken locally when needed.
8759 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
8760 point to.
8761
8762 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
8763 after `--report' documentation.
8764
8765 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
8766
8767 * src/parse-gram.y (grammar_declaration): Location of printer
8768 symbol is @1, not list->location. Bug reported by twlevo.
8769 * tests/input.at (Incompatible Aliases): Adjust to above change.
8770
8771 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
8772
8773 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
8774 all the test at once. This makes the output easier to read in the
8775 normal case.
8776
8777 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
8778 got from <http://bro-ids.org/download.html>. The bug is that
8779 when two actions appeared in succession, the second one was
8780 scanned before the first one was added to the grammar rule
8781 as a midrule action. Bison then output the incorrect warning
8782 "parse.y:905.17-906.36: warning: unused value: $3".
8783 * src/parse-gram.y (BRACED_CODE, action): These are no longer
8784 associated with a value.
8785 (rhs): Don't invoke grammar_current_rule_action_append.
8786 (action): Invoke it here instead.
8787 * src/reader.c (grammar_midrule_action): Now extern.
8788 (grammar_current_rule_action_append): Don't invoke
8789 grammar_midrule_action; that is now the scanner's job.
8790 * src/reader.h (last_string, last_braced_code_loc):
8791 (grammar_midrule_action): New decls.
8792 * src/scan-gram.l (last_string): Now extern, sigh.
8793 (last_braced_code_loc): New extern variable.
8794 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
8795 rule already has an action.
8796 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
8797 * tests/input.at (AT_CHECK_UNUSED_VALUES):
8798 Add some tests to check that the above changes fixed the bug.
8799
8800 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
8801
8802 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
8803 All used changed. Check whether the symbol has a destructor,
8804 not whether it is typed.
8805 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
8806 that the values are still reported as unused. All line numbers
8807 adjusted.
8808
8809 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
8810
8811 Work around a bug in bro 0.8, which underparenthesizes its
8812 definition of YYLLOC_DEFAULT.
8813 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
8814 their arguments.
8815 * data/lalr1.cc: Likewise.
8816 * data/yacc.cc: Likewise.
8817
8818 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
8819
8820 Work around a bug in Pike 7.0, and give the Pike folks a
8821 better way to override the usual int widths.
8822 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
8823 user can override the types.
8824 (short): #undef, to work around a bug in Pike 7.0.
8825 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
8826 (union yyalloc.yyss): Use yytype_int16 rather than short.
8827 All uses changed.
8828 (yysigned_char): Remove.
8829 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
8830 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
8831 * tests/regression.at (Web2c Actions): Adjust to above changes.
8832
8833 * src/reader.c (check_and_convert_grammar): New function.
8834 (reader): Close the input file even if something went wrong during
8835 parsing. Minor file descriptor leak reported by twlevo.
8836
8837 * src/assoc.c (assoc_to_string): Use a default: abort (); case
8838 to pacify gcc -Wswitch-default.
8839 * src/scan-gram.l (adjust_location): Use a default: break; case
8840 to pacify gcc -Wswitch-default.
8841 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
8842 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
8843 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
8844 Move these decls to scan-skel.l, since they don't need to be
8845 visible elsewhere.
8846 * src/scan-skel.l: Accept the above decls.
8847 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
8848 is used.
8849
8850 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
8851
8852 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
8853 since we don't want to insist on a version number at the start
8854 of the changelog every time.
8855 * Makefile.maint: Sync from coreutils a bit better.
8856 (sc_trailing_blank): Renamed from sc_trailing_space.
8857 All uses changed.
8858 (sc_no_if_have_config_h, sc_require_config_h):
8859 (sc_prohibit_assert_without_use): New rules.
8860 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
8861 (sc_dd_max_sym_length): Fix leading spaces in rule.
8862 (sc_system_h_headers): Prefix with @.
8863 (sc_useless_cpp_parens, m4-check): Output line numbers.
8864 (changelog-check): Allow version only in head.
8865 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
8866 satisfy new Makefile.maint rule.
8867 * data/glr.c: Likewise.
8868 * data/glr.cc: Likewise.
8869 * data/lalr1.cc: Likewise.
8870 * data/yacc.c: Likewise.
8871 * lib/ebitsetv.c: Likewise.
8872 * lib/lbitset.c: Likewise.
8873 * lib/subpipe.c: Likewise.
8874 * lib/timevar.c: Likewise.
8875 * src/system.h: Likewise.
8876 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
8877 * djgpp/Makefile.maint: Add copyright notice.
8878 * djgpp/README.in: Likewise.
8879 * djgpp/config.bat: Likewise.
8880 * djgpp/config.site: Likewise.
8881 * djgpp/config_h.sed: Likewise.
8882 * djgpp/djunpack.bat: Likewise.
8883 * djgpp/config.sed: Fix copyright notice to match standard format.
8884 * djgpp/subpipe.h: Likewise.
8885 * lib/bitsetv-print.c: Likewise.
8886 * lib/bitsetv.c: Likewise.
8887 * lib/subpipe.h: Likewise.
8888 * lib/timevar.c: Likewise.
8889 * lib/timevar.h: Likewise.
8890 * djgpp/subpipe.c: Use standard recipe for config.h.
8891 * lib/abitset.c: Likewise.
8892 * lib/bitset.c: Likewise.
8893 * lib/bitset_stats.c: Likewise.
8894 * lib/bitsetv-print.c: Likewise.
8895 * lib/bitsetv.c: Likewise.
8896 * lib/ebitsetv.c: Likewise.
8897 * lib/get-errno.c: Likewise.
8898 * lib/lbitset.c: Likewise.
8899 * lib/subpipe.c: Likewise.
8900 * lib/timevar.c: Likewise.
8901 * lib/vbitset.c: Likewise.
8902 * tests/local.at: Likewise.
8903 * src/scan-gram.l: Don't include verify.h, since system.h does
8904 that for us.
8905 * .x-sc_require_config_h: New file.
8906 * .x-sc_unmarked_diagnostics: New file.
8907
8908 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
8909
8910 Be a bit more systematic about using 'abort'.
8911 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
8912 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
8913 Put 'default: abort ();' before some other case, to satisfy older
8914 pedantic compilers.
8915 * lib/bitset_stats.c (bitset_stats_init): Likewise.
8916 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
8917 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
8918 * src/conflicts.c (resolve_sr_conflict): Likewise.
8919 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
8920 (get_decision_str, get_orientation_str, get_node_alignment_str):
8921 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
8922 (get_linestyle_str, get_arrowstyle_str): Likewise.
8923 * src/conflicts.c (resolve_sr_conflict):
8924 Use a default case rather than one for the one remaining enum
8925 value, to catch invalid enum values as well.
8926 * src/lalr.c (set_goto_map, map_goto):
8927 Prefer "assert (FOO);" to "if (!FOO) abort ();".
8928 * src/nullable.c (nullable_compute, token_definitions_output):
8929 Likewise.
8930 * src/reader.c (packgram, reader): Likewise.
8931 * src/state.c (transitions_to, state_new, state_reduction_find):
8932 Likewise.
8933 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
8934 (symbol_pack): Likewise.
8935 * src/tables.c (conflict_row, pack_vector): Likewise.
8936 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
8937 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
8938 * src/system.h: Don't include <assert.h>.
8939 (assert): New macro.
8940
8941 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
8942 (Destructor Decl, Parser Function, Pure Calling):
8943 Describe rules for braces inside C code more carefully.
8944
8945 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
8946
8947 Fix some porting glitches found by Nelson H. F. Beebe.
8948 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
8949 compilers that don't understand that abort () does not return.
8950 * src/state.c (transitions_to): Likewise.
8951 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
8952 that '#include <cstdlib>' works.
8953 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
8954 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
8955 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
8956 for the benefit of some pre-C99 compilers.
8957
8958 * bootstrap: Undo changes to gnulib files that autoreconf made.
8959
8960 Minor fixups to get 'make maintainer-check' to work.
8961 * configure.ac: Don't use -Wnested-externs, as it's incompatible
8962 with the new verify.h implementation.
8963 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
8964 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
8965 * data/yacc.c (YYUSE): Likewise.
8966 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
8967 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
8968 * src/parse-gram.y (declaration): Don't pass a string constant
8969 to a function that expects char *, since GCC might complain
8970 about the constant value.
8971 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
8972 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
8973 before #defining them.
8974 * tests/glr-regression.at
8975 (Incorrectly initialized location for empty right-hand side in GLR):
8976 In yyerror, use the msg arg.
8977 (Corrupted semantic options if user action cuts parse):
8978 (Incorrect lookahead during deterministic GLR):
8979 (Incorrect lookahead during nondeterministic GLR):
8980 Don't name a local var 'index'; it shadows string.h's 'index'.
8981
8982 2006-01-19 Akim Demaille <akim@epita.fr>
8983
8984 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
8985 location, not just parts of it.
8986
8987 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
8988
8989 * NEWS: Document the fact that multiple %unions are now allowed.
8990 * doc/bison.texinfo (Union Decl): Likewise.
8991 * TODO: This feature is now implemented, so remove it from
8992 the wishlist.
8993
8994 * Makefile.maint: Merge with coreutils Makefile.maint.
8995 (CVS_LIST): Use build-aux version if available.
8996 (VERSION_REGEXP): New macro.
8997 (syntax-check-rules): Add sc_no_if_have_config_h,
8998 sc_prohibit_assert_without_use, sc_require_config_h,
8999 sc_useless_cpp_parens.
9000 (sc_obsolete_symbols): Check for O_NDELAY.
9001 (sc_dd_max_sym_length): Track coreutils.
9002 (sc_unmarked_diagnostics): Look in all files, not just *.c.
9003 (sc_useless_cpp_parens): New rule.
9004 (news-date-check): Look for version or today's date.
9005 (changelog-check): Don't require version number near head.
9006 (copyright-check): Use current year instead of hardwiring 2005.
9007 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
9008 (announcement): Add --gpg-key-ID.
9009
9010 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
9011 with "file system".
9012
9013 Avoid undefined behavior that addressed just before the start of an
9014 array. Problem reported by twlevo.
9015 * src/reader.c (packgram): Prepend a new sentinel before ritem.
9016 * src/lalr.c (build_relations): Rely on new sentinel.
9017 * src/gram.c (gram_free): Adjust to new sentinel.
9018
9019 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
9020
9021 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
9022 yylookaheadNeeds. All uses updated.
9023 (yysplitStack): Rename local yynewLookaheadStatuses to
9024 yynewLookaheadNeeds.
9025 * data/glr-regression.at (Incorrect lookahead during nondeterministic
9026 GLR): In comments, change `lookahead status' to `lookahead need'.
9027
9028 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9029
9030 * data/glr.c (yysplitStack): A little stylistic rewrite.
9031
9032 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9033
9034 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
9035
9036 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
9037
9038 * doc/bison.texinfo: Fix some typos.
9039 (GLR Semantic Actions): New subsection discussing special
9040 considerations because GLR semantic actions might be deferred.
9041 (Actions): Mention look-ahead usage of yylval.
9042 (Actions and Locations): Mention look-ahead usage of yylloc.
9043 (Special Features for Use in Actions): Add YYEOF entry and mention it
9044 in the yychar entry.
9045 In the yychar entry, remove mention of the local yychar case (pure
9046 parser) since this is irrelevant information when writing semantic
9047 actions and since it's already discussed in `Table of Symbols' where
9048 yychar is otherwise described as an external variable.
9049 In the yychar entry, don't call it the `current' look-ahead since it
9050 isn't when semantic actions are deferred.
9051 In the yychar and yyclearin entries, add note about deferred semantic
9052 actions.
9053 Add yylloc and yylval entries discussing look-ahead usage.
9054 (Look-Ahead Tokens): When discussing yychar, don't call it the
9055 `current' look-ahead, and do mention yylval and yylloc.
9056 (Error Recovery): Cross-reference `Action Features' when mentioning
9057 yyclearin.
9058 (Table of Symbols): In the yychar entry, don't call it the `current'
9059 look-ahead.
9060 In the yylloc and yylval entries, mention look-ahead usage.
9061
9062 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
9063
9064 * tests/glr-regression.at: Update copyright year to 2006.
9065
9066 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9067
9068 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
9069 use during nondeterministic operation to track which stacks have
9070 actually needed the current lookahead.
9071 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
9072 Allocate, deallocate, resize, and otherwise shuffle space for
9073 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
9074 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
9075 appropriately during nondeterministic operation.
9076 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
9077 members to store the current lookahead to be used by the deferred
9078 user action.
9079 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
9080 from which the RHS is taken. Set the lookahead members of the new
9081 yySemanticOption according to the lookahead status for stack yyk.
9082 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
9083 yyaddDeferredAction.
9084 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
9085 members of yySemanticOption before invoking yyuserAction, and then set
9086 them back to their current values afterward.
9087 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
9088 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
9089 * tests/glr-regression.at: Remove `.' from the ends of recent test case
9090 titles for consistency.
9091 (Leaked merged semantic value if user action cuts parse): In order to
9092 suppress lint warnings, use arguments in merge function, and assign
9093 char value < 128 in main.
9094 (Incorrect lookahead during deterministic GLR): New test case.
9095 (Incorrect lookahead during nondeterministic GLR): New test case.
9096
9097 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9098
9099 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
9100 !yyvaluep as signal that no semantic value is available to print.
9101 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
9102 to print a semantic value.
9103
9104 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9105
9106 * tests/glr-regression.at: For consistency with my newer test cases,
9107 don't thank myself.
9108
9109 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
9110
9111 * data/glr.c (yyresolveValue): When merging semantic options, if at
9112 least one user action succeeds but a later one cuts the parse, then
9113 destroy the semantic value before returning rather than leaking it.
9114 (yyresolveStates): If a user action cuts the parse and thus
9115 yyresolveValue fails, ignore the (unset) semantic value rather than
9116 corrupting the yyGLRState, and empty the semantic options list since
9117 the user actions should have called all necessary destructors.
9118 Simplify code with YYCHK.
9119 * tests/glr-regression.at (Corrupted semantic options if user action
9120 cuts parse): New test case.
9121 (Undesirable destructors if user action cuts parse): New test case.
9122 Before applying any of this patch, this test case never actually failed
9123 for me... but only because the corrupted semantic options usually
9124 masked this bug.
9125 (Leaked merged semantic value if user action cuts parse): New test
9126 case.
9127
9128 2006-01-05 Akim Demaille <akim@epita.fr>
9129
9130 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
9131
9132 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
9133
9134 * data/c.m4 (b4_c_modern): New macro, with a new provision for
9135 _MSC_VER. Problem reported by Cenzato Marco.
9136 (b4_c_function_def): Use it.
9137 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
9138 b4_c_modern.
9139 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
9140 than rolling our own.
9141
9142 2006-01-04 Akim Demaille <akim@epita.fr>
9143
9144 Also warn about non-used mid-rule values.
9145 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
9146 member.
9147 (symbol_list_new): Adjust.
9148 * src/reader.c (symbol_typed_p): New.
9149 (grammar_rule_check): Use it.
9150 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
9151 Check its rule.
9152 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
9153 Use it.
9154 * tests/actions.at (Exotic Dollars): Adjust.
9155
9156 2006-01-04 Akim Demaille <akim@epita.fr>
9157
9158 * src/reader.c (grammar_midrule_action): If $$ is set in a
9159 mid-rule, move the `used' bit to its lhs.
9160 * tests/input.at (Unused values): New.
9161 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
9162
9163 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
9164
9165 * doc/bison.texinfo (Bison Options): Say more accurately what
9166 --yacc does.
9167 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
9168 about declarations in the grammar when in Yacc mode, as POSIX does
9169 not require a diagnostic when the grammar uses extensions.
9170
9171 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
9172
9173 Warn about dubious constructions like "%token T T".
9174 Reported by twlevo.
9175 * src/symtab.h (struct symbol.declared): New member.
9176 * src/symtab.c (symbol_new): Initialize it to false.
9177 (symbol_class_set): New arg DECLARING, specifying whether
9178 this is a declaration that we want to warn about, if there
9179 is more than one of them. All uses changed.
9180
9181 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
9182 Allow multiple %union directives, whose contents concatenate.
9183 * src/parse-gram.y (grammar_declaration): Likewise.
9184 Use muscle_code_grow, so that we don't need stype_line any more.
9185 All uses changed.
9186
9187 * src/muscle_tab.c (muscle_grow): Fix comment.
9188
9189 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
9190 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
9191 Update copyright year to 2006.
9192
9193 2006-01-03 Akim Demaille <akim@epita.fr>
9194
9195 Have glr.cc pass (some of) the calc.at tests.
9196 * data/glr.cc (b4_parse_param_orig): New.
9197 (b4_parse_param): Improve its definition, and bound it more
9198 clearly in the skeleton.
9199 (b4_epilogue): Append, instead of prepending, in order to keep
9200 #line consistency.
9201 Simplify the generation of auxiliary functions: locations and
9202 purity are mandated.
9203 (b4_global_tokens_and_yystype): Honor it.
9204 * data/location.cc (c++.m4): Don't include it.
9205 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
9206 and AT_SKEL_CC_IF.
9207 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
9208 AT_LALR1_CC_IF.
9209 Be sure to initialize the first position's filename.
9210 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
9211 mandated anyway.
9212 (AT_CHECK_CALC_GLR_CC): New.
9213 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
9214
9215 2006-01-02 Akim Demaille <akim@epita.fr>
9216
9217 * src/output.c (output_skeleton): Don't hard wire the inclusion of
9218 c.m4.
9219 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
9220 * data/glr.cc: Do not include stack.hh.
9221
9222 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
9223
9224 * data/glr.c: Reformat whitespace with tabs.
9225 (b4_lpure_formals): Remove this unused m4 macro.
9226 * tests/cxx-type.at: Reformat whitespace with tabs.
9227 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
9228 since it's a member. Rename type to isNterm for clarity.
9229
9230 2005-12-29 Akim <akim@sulaco.local>
9231
9232 Let glr.cc catch up with symbol_value_print.
9233 * data/glr.cc (b4_yysymprint_generate): Replace by...
9234 (b4_yy_symbol_print_generate): this.
9235 (yy_symbol_print, yy_symbol_value_print): Declare them.
9236
9237 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
9238
9239 * src/location.h (boundary): Note that a line or column equal
9240 to INT_MAX indicates an overflow.
9241 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
9242 (rule_length_overflow, increment_rule_length, add_column_width):
9243 New functions.
9244 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
9245 (<SC_BRACED_CODE>"}"):
9246 Use increment_rule_length rather than incrementing it by hand.
9247 (adjust_location, handle_syncline): Diagnose overflow.
9248 (handle_action_dollar, handle_action_at):
9249 Fix bug with monstrosities like $-2147483648.
9250 Remove now-unnecessary checks.
9251 (scan_integer): Verify assumptions and remove now-unnecessary checks.
9252 (convert_ucn_to_byte): Verify assumptions.
9253 (handle_syncline): New arg LOC. All callers changed.
9254 Don't store through a value derived from char const * pointer.
9255
9256 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
9257 GCC warnings.
9258
9259 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
9260
9261 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
9262 Remove unnecessary forward static decls.
9263
9264 2005-12-27 Akim Demaille <akim@epita.fr>
9265
9266 * src/reader.c (grammar_current_rule_check): Also check that $$
9267 is used.
9268 Take the rule to check as argument, hence rename as...
9269 (grammar_rule_check): this.
9270 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
9271 Rename as...
9272 (grammar_rule_begin, grammar_rule_end): these, for consistency.
9273 (grammar_midrule_action, grammar_symbol_append): Now static.
9274 * tests/torture.at (input): Don't rely on the default action
9275 being always performed.
9276 * tests/calc.at: "Set" $$ even when the action is "cut" with
9277 YYERROR or other.
9278 * tests/actions.at (Exotic Dollars): Instead of using unused
9279 values, check that the warning is issued.
9280
9281 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
9282
9283 * NEWS: Improve wording for unused-value warnings.
9284
9285 2005-12-22 Akim Demaille <akim@epita.fr>
9286
9287 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
9288 (b4_yysymprint_generate): Rename as...
9289 (b4_yy_symbol_print_generate): this.
9290 Generate yy_symbol_print instead of yysymprint.
9291 Generate also yy_symbol_value_print, and use it.
9292
9293 2005-12-22 Akim Demaille <akim@epita.fr>
9294
9295 * NEWS: Warn about unused values.
9296 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
9297 a `used' member.
9298 (symbol_list_n_get, symbol_list_n_used_set): New.
9299 (symbol_list_n_type_name_get): Use symbol_list_n_get.
9300 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
9301 * src/reader.c (grammar_current_rule_check): Check that values are
9302 used.
9303 * src/symtab.c (symbol_print): Accept 0.
9304 * tests/existing.at: Remove the type information.
9305 Empty the actions.
9306 Remove useless actions (beware of mid-rule actions: perl -000
9307 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
9308 * tests/actions.at (Exotic Dollars): Use unused values.
9309 * tests/calc.at: Likewise.
9310 * tests/glr-regression.at (No users destructors if stack 0 deleted):
9311 Likewise.
9312
9313 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
9314 rule_useful_p.
9315
9316 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
9317
9318 Undo 2005-12-01 tentative license wording change. The wording is
9319 still being reviewed by the lawyers, and we don't want to wait for
9320 them before publishing a test release. For now, revert to the
9321 previous wording.
9322 * NEWS: Undo 2005-12-01 change.
9323 * data/glr.c: Revert to previous license wording.
9324 * data/glr.cc: Likewise.
9325 * data/lalr1.cc: Likewise.
9326 * data/location.cc: Likewise.
9327 * data/yacc.c: Likewise.
9328
9329 * NEWS: Reword %destructor vs YYABORT etc.
9330 * data/glr.c: Use American spacing, for consistency.
9331 * data/glr.cc: Likewise.
9332 * data/lalr1.cc: Likewise.
9333 * data/yacc.c: Likewise.
9334 * data/yacc.c: Reformat comments slightly.
9335 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
9336 for consistency. Fix some spelling errors and reword recently-included
9337 text slightly.
9338 * tests/cxx-type.at: Cast results of malloc, for C++.
9339
9340 2005-12-21 Joel E. Denny <address@hidden>
9341
9342 * tests/cxx-type.at: Construct a tree, count the parents of shared
9343 nodes, and free each node once and only once. Previously, the memory
9344 for semantic values was leaked instead.
9345
9346 2005-12-21 Joel E. Denny <address@hidden>
9347
9348 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
9349 (yylval, yylloc): If pure, #define to yystackp->yyval and
9350 yystackp->yyloc similar to yychar and yynerrs.
9351 (yyparse): If pure, remove local yylval and yylloc. Add local
9352 yystackp to accommodate pure definitions of yylval and yylloc.
9353 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
9354 yylvalp and yyllocp to &yylval and &yylloc.
9355 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
9356 namespace. Previously, nerrs and char were missing, but lval and lloc
9357 weren't necessary.
9358 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
9359 yylvalp and yyllocp parameters since, if pure, these are now always
9360 accessible through yystackp. If not pure, they are still accessible
9361 globally.
9362 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
9363 `if (YYID (N))' to pacify lint.
9364
9365 2005-12-21 Akim Demaille <akim@epita.fr>
9366
9367 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
9368 destroy the RHS symbols of a rule.
9369 * data/yacc.c (yylen): Initialize to 0.
9370 Keep its value to the number of items to possibly shift.
9371 In particular, a regular successful parse that ends on YYFINAL by
9372 a (internal) YYACCEPT must not have yylen != 0.
9373 (yyerrorlab, yyreturn): Pop the RHS.
9374 Reorder a bit to emphasize the `shifting' bits of code.
9375 (YYPOPSTACK): Now accept a number of items to pop.
9376 * data/lalr1.cc: Likewise.
9377 * data/glr.c: Formatting changes.
9378 Use goto instead of fall through.
9379 * doc/bison.texinfo (Destructor Decl): Complete.
9380
9381 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9382
9383 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
9384 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
9385 * djgpp/config.bat: Replace every occurrence of the file name
9386 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
9387 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
9388 * djgpp/config.sed: Replace every occurrence of the file name
9389 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
9390 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
9391 * djgpp/djunpack.bat: DJGPP specific file.
9392 * djgpp/fnchange.lst: DJGPP specific file.
9393 * djgpp/README.in: Add new information about how to unpack the bison
9394 source on MSDOS and other systems which have 8.3 file name restrictions
9395 using djunpack.bat and fnchange.lst.
9396
9397 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
9398
9399 * bootstrap (build_cvs_prefix): Remove; unused.
9400 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
9401 when getting gnulib.
9402
9403 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
9404
9405 * data/glr.c: Reorder typedef declarations for structs to match order
9406 of struct declarations.
9407 Rename yystack everywhere to yystackp except in yyparse where it's not
9408 a pointer.
9409 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
9410 consistency.
9411 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
9412 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
9413 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
9414 lint.
9415
9416 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
9417
9418 * tests/sets.at (Accept): Fix typos in regular expression used to
9419 sed out the final state number.
9420
9421 Work around portability problem on Solaris 10: flex-generated
9422 files include <stdio.h> before <config.h>, which messes up
9423 because the latter defines __EXTENSIONS__. Address the problem
9424 by creating two new little files that include <config.h> first,
9425 then include the flex-generated files. Rewrite everyone else
9426 to include <config.h> first, as well.
9427 * lib/timevar.c: Always include "config.h".
9428 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
9429 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
9430 (EXTRA_bison_SOURCES): New macro.
9431 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
9432 * src/system.h: Don't include config.h.
9433 * src/LR0.c: Include <config.h> first.
9434 * src/assoc.c: Likewise.
9435 * src/closure.c: Likewise.
9436 * src/complain.c: Likewise.
9437 * src/conflicts.c: Likewise.
9438 * src/derives.c: Likewise.
9439 * src/files.c: Likewise.
9440 * src/getargs.c: Likewise.
9441 * src/gram.c: Likewise.
9442 * src/lalr.c: Likewise.
9443 * src/location.c: Likewise.
9444 * src/main.c: Likewise.
9445 * src/muscle_tab.c: Likewise.
9446 * src/nullable.c: Likewise.
9447 * src/output.c: Likewise.
9448 * src/parse-gram.y: Likewise.
9449 * src/print.c: Likewise.
9450 * src/print_graph.c: Likewise.
9451 * src/reader.c: Likewise.
9452 * src/reduce.c: Likewise.
9453 * src/relation.c: Likewise.
9454 * src/state.c: Likewise.
9455 * src/symlist.c: Likewise.
9456 * src/symtab.c: Likewise.
9457 * src/tables.c: Likewise.
9458 * src/uniqstr.c: Likewise.
9459 * src/vcg.c: Likewise.
9460
9461 * src/parse-gram.y: Fix minor problems uncovered by lint.
9462 (current_lhs, current_lhs_location): Now static.
9463 (current_assoc): Remove unused variable.
9464
9465 Cleanups so that Bison-generated parsers have less lint.
9466 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
9467 Prepend /*ARGSUSED*/, for lint's sake.
9468 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
9469 definition if 'lint' is defined.
9470 (YYID): New macro (or function, if lint).
9471 All uses of /*CONSTCOND*/0 replaced by YYID(0).
9472 * data/yacc.c: Likewise.
9473 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
9474 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
9475 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
9476 is C++ only.
9477 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
9478 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
9479 Use YYID(0) rather than 0, for lint.
9480 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
9481 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
9482
9483 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
9484
9485 * tests/glr-regression.at
9486 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9487 Close memory leak reported by twlevo.
9488
9489 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
9490
9491 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
9492 all stacks.
9493 (yyparse): Iterate another stack in order to call user destructors.
9494 * tests/glr-regression.at (No users destructors if stack 0 deleted):
9495 New test case.
9496 (Duplicated user destructor for lookahead): This test now is expected
9497 to succeed.
9498
9499 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
9500
9501 * NEWS: Document the following change.
9502 * data/yacc.c: Say "parser skeleton" rather than "file", since
9503 it's no longer just a file.
9504 * data/glr.c: Grant a special exception for C GLR parsers, that
9505 reads like the already-existing exception for C LALR(1) parsers.
9506 * data/glr.cc: Likewise.
9507 * data/lalr1.cc: Likewise.
9508 * data/location.cc: Likewise.
9509 * data/yacc.c: Reword the "written by" statement to clarify that
9510 it was the parser skeleton, not the entire output file.
9511 * data/glr.c: Written by Paul Hilfinger.
9512 * data/glr.cc: Written by Akim Demaille.
9513 * data/lalr1.cc: Likewise.
9514
9515 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
9516
9517 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
9518 Fix typos in previous change that broke 'make check'.
9519 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
9520 supported in C.
9521 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
9522 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
9523 We can revert this once things settle down.
9524
9525 * src/conflicts.c (conflicts_print): Don't print file name twice
9526 when %expect fails because there were no conflicts.
9527 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
9528 change.
9529 * tests/conflicts.at (%expect not enough, %expect too much):
9530 (%expect with reduce conflicts): Adjust to new behavior.
9531
9532 2005-11-18 Akim Demaille <akim@epita.fr>
9533
9534 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
9535 errors.
9536 * NEWS: Document this.
9537 * doc/bison.texinfo (Expect Decl): Likewise.
9538
9539 2005-11-16 Akim Demaille <akim@epita.fr>
9540
9541 Generalize the display of semantic values and locations in traces.
9542 * data/glr.c (yy_reduce_print): Fix indices (again).
9543 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
9544 literal integers.
9545 * data/lalr1.cc (yyreduce_print): Rename as...
9546 (yy_reduce_print): this.
9547 Display values and locations.
9548 * data/yacc.c (yy_reduce_print): Likewise.
9549 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
9550 (yysymprint): Move higher to be visible from yy_reduce_print).
9551 (yyparse): Adjust.
9552 * tests/calc.at: Adjust the expected length of the traces.
9553
9554 2005-11-14 Akim Demaille <akim@epita.fr>
9555
9556 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
9557 from 1 to N, while values and location start at 0.
9558 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
9559
9560 2005-11-14 Akim Demaille <akim@epita.fr>
9561
9562 * data/glr.c (yy_reduce_print): Fix the $ number.
9563
9564 2005-11-14 Akim Demaille <akim@epita.fr>
9565
9566 "Use" parse parameters.
9567 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
9568 * data/glr.c, data/glr.cc: Use them.
9569 * data/glr.c (YYUSE): Have a C++ definition that supports
9570 non-pointer types.
9571
9572 2005-11-14 Akim Demaille <akim@epita.fr>
9573
9574 * data/glr.c (yyexpandGLRStack): Declare only if defined.
9575
9576 2005-11-14 Akim Demaille <akim@epita.fr>
9577
9578 * data/glr.cc: New.
9579 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
9580
9581 2005-11-12 Akim Demaille <akim@epita.fr>
9582
9583 Let position and location be PODs.
9584 * data/location.cc (position::initialize, location::initialize): New.
9585 (position::position, location::location): Define only if
9586 b4_location_constructors is defined.
9587 * data/lalr1.cc (b4_location_constructors): Define it for backward
9588 compatibility.
9589 * doc/bison.texinfo (Initial Action Decl): Use initialize.
9590
9591 2005-11-12 Akim Demaille <akim@epita.fr>
9592
9593 * data/lalr1.cc: Move the body of the ctor and dtor into the
9594 parser file (instead of the header).
9595 Wrap the implementations in a "namespace yy".
9596
9597 2005-11-12 Akim Demaille <akim@epita.fr>
9598
9599 Have glr.c include its header file when created.
9600 * data/glr.c (b4_shared_declarations): New.
9601 Output them verbatim in the parser if !%defines, otherwise
9602 output then in the header file, and include it instead.
9603
9604 2005-11-11 Akim Demaille <akim@epita.fr>
9605
9606 * data/glr.c: Comment changes.
9607
9608 2005-11-11 Akim Demaille <akim@epita.fr>
9609
9610 When yydebug, report semantic and location values for reductions.
9611 * data/glr.c (yy_reduce_print): Report the semantic values and the
9612 locations.
9613 (YY_REDUCE_PRINT): Adjust.
9614 (yyglrReduce): Use them.
9615 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
9616 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
9617 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
9618 traces.
9619
9620 2005-11-10 Akim Demaille <akim@epita.fr>
9621
9622 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
9623 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
9624 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
9625
9626 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
9627
9628 * m4/cxx.m4, examples/Makefile.am: Don't build
9629 examples/calc++ if no C++ compiler is available. (trivial change)
9630
9631 2005-11-09 Akim Demaille <akim@epita.fr>
9632
9633 * src/scan-skel.l: Use a couple of asserts.
9634
9635 2005-11-03 Akim Demaille <akim@epita.fr>
9636
9637 In some (weird) cases, the final state number is incorrect.
9638 Reported by Alexandre Duret-Lutz.
9639 * src/LR0.c (state_list_append): Remove the computation of
9640 final_state.
9641 (save_reductions): Do it here.
9642 (get_state): Alpha conversion.
9643 (generate_states): Use a for loop.
9644 * src/gram.h (item_number_is_rule_number)
9645 (item_number_is_symbol_number): New.
9646 * src/state.c: Use assert.
9647 * src/system.h: Include assert.h.
9648 * tests/sets.at (Accept): New.
9649
9650 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9651
9652 * data/glr.c (yyfill): Adjust comment.
9653 (yyresolveAction): Initialize default location properly
9654 for empty right-hand sides.
9655 (yydoAction): Ditto.
9656 Add comment explaining apparently dead code.
9657 * tests/glr-regression.at
9658 (Incorrectly initialized location for empty right-hand side in GLR):
9659 New test.
9660
9661 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
9662
9663 * bootstrap (cleanup_gnulib): New function. Use it to clean up
9664 gnulib when interrupted. This fixes some race conditions and
9665 works around some portability problems (one noted by Paul
9666 Hilfinger).
9667
9668 2005-10-22 Akim <akim@epita.fr>
9669
9670 * Makefile.cfg: Adjust to config -> build-aux.
9671 Reported by twledo.
9672
9673 2005-10-21 Akim Demaille <akim@epita.fr>
9674
9675 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
9676 the %parse-params.
9677 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
9678 * data/yacc.c (b4_Pure_if): Rename as...
9679 (b4_yacc_pure_if): this.
9680 (YY_SYMBOL_PRINT, yyparse): Adjust.
9681 * doc/bison.texinfo: Formatting changes.
9682
9683 2005-10-21 Akim Demaille <akim@epita.fr>
9684
9685 Finish the transition config -> build-aux.
9686 * configure.ac, Makefile.am: Use build-aux.
9687 * config/prev-version, config/announce-gen, config/Makefile.am:
9688 Move to...
9689 * build-aux/prev-version, build-aux/announce-gen,
9690 * build-aux/Makefile.am: here.
9691
9692 2005-10-14 Akim Demaille <akim@epita.fr>
9693
9694 * examples/calc++/test: Use set -x only when VERBOSE.
9695
9696 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
9697
9698 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
9699 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
9700
9701 2005-10-13 Akim Demaille <akim@epita.fr>
9702
9703 * src/scan-skel.l: Output the base name parts of the parser and
9704 header file names.
9705 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
9706 additional checks.
9707 Use this to exercise C++ outputs in subdirs.
9708 Reported by Oleg Smolsky.
9709
9710 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
9711
9712 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
9713 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
9714 Problem reported by John P. Hartmann.
9715 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
9716 already defined it.
9717
9718 2005-10-12 Akim Demaille <akim@epita.fr>
9719
9720 * src/parse-gram.y (version_check): Exit 63 to please missing
9721 (stands for "version mismatch).
9722 * tests/input.at, doc/bison.texinfo: Adjust.
9723
9724 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
9725
9726 Work around portability problems with Visual Age C compiler
9727 (xlc and xlC_r) reported by John P. Hartmann.
9728 * data/location.cc (initial_column, initial_line): Remove.
9729 All uses replaced by 0 and 1.
9730 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
9731 that xlc complains about.
9732 * src/scan-skel.l (skel_wrap): Likewise.
9733 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
9734 as __STDC__.
9735 * data/yacc.c (YYMODERN_C): New macro, which also looks at
9736 __STDC_VERSION__. Use it everywhere instead of looking at
9737 __STDC__ and __cplusplus.
9738
9739 2005-10-10 Akim Demaille <akim@epita.fr>
9740
9741 * examples/calc++/test: Be quiet unless VERBOSE.
9742
9743 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
9744
9745 * data/c.m4 (yydestruct, yysymprint):
9746 Use YYUSE instead of casting to void.
9747 * data/glr.c (YYUSE): New macro.
9748 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
9749 Use it instead of rolling our own.
9750 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
9751 (YYCHK1):
9752 Use /*CONSTCOND*/ to suppress lint warnings.
9753 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
9754 (YY_STACK_PRINT): Use 'false' not '0'.
9755 (YYUSE): New macro.
9756 (yysymprint_, yydestruct_): Use it instead of rolling our own.
9757 * data/yacc.c (YYUSE): New macro.
9758 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
9759 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
9760 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
9761
9762
9763 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
9764 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
9765
9766 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
9767
9768 Undo the parts of the unlocked-I/O change that substituted
9769 putc or puts for printf. This might hurt performance a bit,
9770 but some people prefer the printf style.
9771 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
9772 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
9773 All uses replaced by YYFPRINTF and YYDPRINTF.
9774 * data/yacc.c: Likewise.
9775 * lib/bitset.c (bitset_print): Likewise.
9776 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
9777 putc and puts.
9778 * lib/lbitset.c (debug_lbitset): Likewise.
9779 * src/closure.c (print_firsts, print_fderives): Likewise.
9780 * src/gram.c (grammar_dump): Likewise.
9781 * src/lalr.c (look_ahead_tokens_print): Likewise.
9782 * src/output.c (escaped_output): Likewise.
9783 (user_actions_output): Break apart two printfs.
9784 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
9785 * src/reduce.c (reduce_print): Likewise.
9786 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
9787 * src/system.h: Include unlocked-io.h rathe than stdio.h.
9788
9789 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
9790 Use assignments rather than casts-to-void to suppress
9791 unused-variable warnings. This pacifies 'lint'.
9792 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
9793 unused-variable warnings.
9794
9795 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9796
9797 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
9798
9799 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
9800
9801 Use unlocked I/O for a minor performance improvement on hosts like
9802 GNU/Linux and Solaris that support unlocked I/O. The basic idea
9803 is to use the gnlib unlocked-io module, and to prefer putc and
9804 puts to printf when either will work (since the latter doesn't
9805 come in an unlocked flavor).
9806 * bootstrap (gnulib_modules): Add unlocked-io.
9807 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
9808 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
9809 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
9810 and similarly for puts and putc and printf.
9811 * data/yacc.c: Likewise.
9812 * lib/bitset.c (bitset_print): Likewise.
9813 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
9814 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
9815 to printf.
9816 * lib/lbitset.c (debug_lbitset): Likewise.
9817 * src/closure.c (print_firsts, print_fderives): Likewise.
9818 * src/gram.c (grammar_dump): Likewise.
9819 * src/lalr.c (look_ahead_tokens_print): Likewise.
9820 * src/output.c (escaped_output): Likewise.
9821 (user_actions_output): Coalesce two printfs.
9822 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
9823 * src/reduce.c (reduce_print): Likewise.
9824 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
9825 * src/system.h: Include unlocked-io.h rather than stdio.h.
9826
9827 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
9828 this confuses xgettext.
9829
9830 2005-10-02 Akim Demaille <akim@epita.fr>
9831
9832 * bootstrap (gnulib_modules): Add strverscmp.
9833 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
9834 * m4/.cvsignore: Add strverscmp.m4.
9835 * src/parse-gram.y (%require): New token, new rule.
9836 (version_check): New.
9837 * src/scan-gram.l (%require): Adjust.
9838 * tests/input.at (AT_REQUIRE): New.
9839 Use it.
9840 * doc/bison.texinfo (Require Decl): New.
9841 (Calc++ Parser): Use %require.
9842
9843 2005-10-02 Akim Demaille <akim@epita.fr>
9844
9845 * data/location.cc: New.
9846
9847 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
9848 Akim Demaille <akim@epita.fr>
9849
9850 Make sure -odir/foo.cc creates dir/location.hh etc.
9851 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
9852 (spec_file_prefix, spec_verbose_file, spec_graph_file)
9853 (spec_defines_file): Now const.
9854 (dir_prefix): New.
9855 (short_base_name): Remove.
9856 * src/files.c: Adjust.
9857 (dirname.h): Include.
9858 (base_name): Don't prototype it.
9859 (finput): Remove, duplicates gram_in.
9860 (full_base_name, short_base_name): Replace by...
9861 (all_but_ext, all_but_tab_ext): these.
9862 (compute_base_names): Rename as...
9863 (compute_file_name_parts): this.
9864 Update to compute the new variables, including dir_prefix.
9865 Adjust dependencies.
9866 * src/output.c (prepare): Output them.
9867 * src/reader.c: Adjust to use gram_in, not finput.
9868 * src/scan-skel.l (@dir_prefix@): New.
9869
9870 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9871
9872 * lib/subpipe.c: New function end_of_output_subpipe() added
9873 to allow support for non-posix systems. This is a no-op function
9874 for posix systems.
9875
9876 * lib/subpipe.h: New function end_of_output_subpipe() added
9877 to allow support for non-posix systems. This is a no-op function
9878 for posix systems.
9879
9880 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
9881 handle the lack of pipe/fork functionality on non-posix systems.
9882
9883 * djgpp/Makefile.maint: DJGPP specific file.
9884
9885 * djgpp/README.in: DJGPP specific file.
9886
9887 * djgpp/config.bat: DJGPP specific configuration file.
9888
9889 * djgpp/config.sed: DJGPP specific configuration file.
9890
9891 * djgpp/config.site: DJGPP specific configuration file.
9892
9893 * djgpp/config_h.sed: DJGPP specific configuration file.
9894
9895 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
9896
9897 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
9898
9899 2005-10-02 Akim Demaille <akim@epita.fr>
9900
9901 * data/location.cc: New, extract from...
9902 * data/lalr1.cc: here.
9903 (location.hh): Include it after the user prologue, in case the
9904 filename type is defined by the user.
9905 Forward declation location and position before the pre-prologue.
9906 (yyresult_): Rename as...
9907 (yyresult): this, it's a local variable, not an attribute.
9908 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
9909
9910 2005-10-01 Akim Demaille <akim@epita.fr>
9911
9912 * examples/extexi: Restore the #line generation.
9913
9914 2005-09-30 Akim Demaille <akim@epita.fr>,
9915 Alexandre Duret-Lutz <adl@gnu.org>
9916
9917 Move the token type and YYSTYPE in the parser class.
9918 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
9919 (parser::token): New, from the moved free definition of tokens.
9920 (parser::semantic_value): Now a full definition instead of an
9921 indirection to YYSTYPE.
9922 (b4_post_prologue): No longer included in the header file, but
9923 in the implementation file.
9924 * doc/bison.texi (C+ Language Interface): Update.
9925 * src/parse-gram.y: Support unary %define.
9926 * tests/actions.at: Define global_tokens_and_yystype for backward
9927 compatibility until we update the tests.
9928 * tests/calc.at: Idem.
9929 (first_line, first_column, last_line, last_column): Define for lalr1.cc
9930 to simplify the code.
9931
9932 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
9933
9934 Port to SunOS 4.1.4, which lacks strtoul and strerror.
9935 Ah, the good old days! Problem reported by Peter Klein.
9936 * bootstrap (gnulib_modules): Add strerror, strtoul.
9937 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
9938 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
9939
9940 2005-09-29 Akim Demaille <akim@epita.fr>
9941
9942 * data/c.m4 (b4_error_verbose_if): New.
9943 * data/lalr1.cc: Use it.
9944 (YYERROR_VERBOSE_IF): Remove.
9945 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
9946 parser members, replaced by...
9947 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
9948 local variables.
9949 (yysyntax_error_): Takes the state number as argument.
9950 (yyreduce_print_): Use the argument yyrule, not the former
9951 attribute yyn_.
9952
9953 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
9954
9955 * bootstrap (gnulib_modules): Add verify.
9956 * lib/.cvsignore: Add verify.h.
9957 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
9958 * src/system.h (verify): Remove.
9959 Include verify.h instead.
9960 * src/tables.c (tables_generate): Use new API for 'verify'.
9961
9962 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
9963
9964 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
9965 local variables whose names begin with 'yy'.
9966 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
9967 Trivial changes from Joel E. Denny.
9968
9969 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
9970 it itself.
9971 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
9972 don't use alloca any more.
9973
9974 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
9975 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
9976 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
9977 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
9978 to match yacc.c, to test more hosts.
9979
9980 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
9981
9982 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
9983 doesn't affect behavior.
9984 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
9985 Solaris, AIX, MSC.
9986 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
9987 This works a bit better with glibc, if user code has already included
9988 stdlib.h.
9989 * doc/bison.texinfo (Bison Parser): Document that users can't
9990 arbitrarily use malloc and free for other purposes. Document
9991 that <alloca.h> and <malloc.h> might be included.
9992 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
9993 user must declare alloca.
9994
9995 * HACKING (release): Forwarn the Translation Project about
9996 stable releses.
9997
9998 2005-09-20 Akim Demaille <akim@epita.fr>
9999
10000 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
10001
10002 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
10003
10004 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
10005 (YYSTACK_ALLOC_MAXIMUM): Use it.
10006 (yysyntax_error): New function.
10007 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
10008 multiple syntax errors are reported, and alloca is being used.
10009 Instead, reallocate buffers twice as big each time, so that
10010 we waste at most half the allocated memory. Start with a small
10011 (128-byte) buffer that will suffice in most cases anyway.
10012 Use yysyntax_error to do most of the work.
10013
10014 * doc/bison.texinfo (Error Reporting, Table of Symbols):
10015 yynerrs is the number of errors reported, not the number of
10016 errors encountered.
10017
10018 * tests/glr-regression.at (Duplicated user destructor for lookahead):
10019 Mark it as expected to fail.
10020 Cast result of malloc; problem reported by twlevo@xs4all.nl.
10021 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
10022 Don't start user-code symbols with "yy", to avoid name space problems.
10023
10024 2005-09-19 Akim Demaille <akim@epita.fr>
10025
10026 Remove the traits, failed experiment.
10027 It never proved useful, and anyway because of the current
10028 definition, it was not possible to have several specialization of
10029 this traits, making it useless.
10030 * data/lalr1.cc (yy:traits): Remove.
10031 Inline its definitions in the parser class.
10032
10033 2005-09-19 Akim Demaille <akim@epita.fr>
10034
10035 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
10036 least Mac OSX with a /usr/local install of gettext.
10037
10038 2005-09-19 Akim Demaille <akim@epita.fr>
10039
10040 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
10041 and yytoken for similarity with the other skeletons.
10042
10043 2005-09-19 Akim Demaille <akim@epita.fr>
10044
10045 * NEWS, configure.ac: update version number to 2.1a.
10046
10047 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
10048
10049 * NEWS: Version 2.1.
10050
10051 * NEWS: Remove notice of yytname change, since it was never in an
10052 official release.
10053 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
10054 diagnostic.
10055 * src/output.c (prepare): Likewise.
10056 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
10057 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
10058 is not defined. This is an awful hack, but it's enough for now.
10059 All callers changed.
10060 * tests/glr-regression-at (make_value): Args are const pointers now,
10061 to avoid GCC warning.
10062 (Duplicated user destructor for lookahead): New test. Currently
10063 skipped. It fails on my host but I'm not sure it'll always fail.
10064
10065 2005-09-16 Akim Demaille <akim@epita.fr>
10066
10067 * src/symtab.h (struct symbol): Declare the printer and destructor
10068 as const, to avoid accidental calls to free.
10069 (symbol_destructor_set, symbol_printer_set): Adjust.
10070 * src/symtab.c: Adjust.
10071
10072 2005-09-16 Akim Demaille <akim@epita.fr>
10073
10074 * data/c.m4 (b4_token_enums): New.
10075 (b4_token_defines): Rename as...
10076 (b4_token_enums_defines): this.
10077 (b4_token_defines): New, output only the #defines.
10078 * data/yacc.c, data/glr.c: Adjust.
10079 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
10080 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
10081 as default values.
10082
10083 2005-09-16 Akim Demaille <akim@epita.fr>
10084
10085 * data/lalr1.cc (yylex_): Remove, inline its code.
10086 (yyreport_syntax_error_): Remove, replaced by...
10087 (yysyntax_error_): this which returns a string and leaves to the
10088 caller the call to the users' error function.
10089 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
10090 Move from members of the parser object...
10091 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
10092 to local variables of the parse function.
10093
10094 2005-09-16 Akim Demaille <akim@epita.fr>
10095
10096 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
10097 since it's in Bison's name space.
10098
10099 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
10100
10101 * data/glr.c (yyresolveValue): Add default case to pacify
10102 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
10103
10104 * NEWS: Document when yyparse started to return 2.
10105 * doc/bison.texinfo (Parser Function): Document when yyparse
10106 returns 2.
10107
10108 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
10109 (b4_filename_type): Renamed back from b4_file_name_type. All uses
10110 changed.
10111 (class position): file_name -> filename (reverting). All uses changed.
10112
10113 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
10114
10115 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
10116 do anything if $@ exists. This reverts part of the 2005-07-07
10117 patch.
10118
10119 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
10120
10121 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
10122 contains obsolete information and isn't worth distributing as a
10123 separate file anyway.
10124 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
10125 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
10126 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
10127 (yyparse): Abort if user code uses longjmp to throw an unexpected
10128 value.
10129
10130 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
10131
10132 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
10133 Suggested by twlevo@xs4all.nl.
10134
10135 * data/glr.c (YYCHK1): Do not assume YYE is in range.
10136 This avoids a diagnostic from gcc -Wswitch-enum.
10137 Problem reported by twlevo@xs4all.nl.
10138
10139 * doc/bison.texinfo: Don't use "filename", as per GNU coding
10140 standards. Use "file name" or "file" or "name", depending on
10141 the context.
10142 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
10143 not to hack/foo.tab.c.
10144 (Calc++ Top Level): 2nd arg of main is not const.
10145 * data/glr.c: b4_filename -> b4_file_name.
10146 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
10147 All uses changed.
10148 (class position): filename -> file_name. All uses changed.
10149 * data/yacc.c: b4_filename -> b4_file_name.
10150 * lib/bitset.h: filename -> file_name in local vars.
10151 * lib/bitset_stats.c: Likewise.
10152 * src/files.c: Likewise.
10153 * src/scan-skel.l ("@output ".*\n): Likewise.
10154 * src/files.c (file_name_split): Renamed from filename_split.
10155 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
10156
10157 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
10158
10159 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
10160 to accommodate latest gnulib.
10161
10162 * tests/glr-regression.at (Duplicate representation of merged trees):
10163 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
10164
10165 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
10166 needed.
10167
10168 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
10169
10170 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
10171 All uses changed. Invoke user destructor after an error during a
10172 split parse (trivial change from Joel E. Denny).
10173
10174 * tests/glr-regression.at
10175 (User destructor after an error during a split parse): New test case.
10176 Problem reported by Joel E. Denny in:
10177 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
10178
10179 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
10180
10181 * README-cvs: Give URLs for recommended tools.
10182 Mention Gzip version problem, and bootstrapping issues.
10183 Remove troubleshooting section, as it's somewhat obsolete.
10184
10185 * bootstrap (no_cache): New var, to accommodate different wget
10186 variants. Use it instead of '-C off'. Problem reported by
10187 twlevo@xs4all.nl.
10188
10189 * data/glr.c (yydestroyStackItem): New function.
10190 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
10191 debugging information. Problem reported by Joel E. Denny.
10192
10193 2005-08-25 Akim Demaille <akim@epita.fr>
10194
10195 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
10196
10197 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
10198
10199 * data/glr.c (yyrecoverSyntaxError, yyreturn):
10200 Don't invoke destructor on unresolved entries.
10201 * tests/glr-regression.at
10202 (User destructor for unresolved GLR semantic value): New test case.
10203 Problem reported by Joel E. Denny in:
10204 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
10205
10206 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
10207
10208 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
10209 Add strnlen.c.
10210 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
10211 lib-prefix.m4, po.m4.
10212
10213 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
10214 in yydestruct diagnostic, since it might not be an error.
10215 Problem reported by Joel Denny near end of
10216 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
10217 * data/lalr1.cc (yyerturn): Likewise.
10218 * data/yacc.c (yyreturn): Likewise.
10219 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
10220
10221 * src/files.c: Remove obsolete FIXME comment.
10222
10223 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
10224 with the other templates, and to fix bogus run-on messages such
10225 as the one reported at the end of
10226 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
10227 All callers changed to avoid the newline.
10228 (yyprocessOneStack): Output two lines rather than one, to accommodate
10229 the above change. This changes the debug output format slightly.
10230
10231 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
10232 reported by Joel E. Denny in
10233 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
10234 (trivial change).
10235 * tests/glr-regression.at (Duplicate representation of merged trees):
10236 New test, from Joel E. Denny in:
10237 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
10238 * THANKS: Add Joel E. Denny.
10239
10240 * configure.ac (AC_INIT): Bump to 2.0c.
10241
10242 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
10243
10244 * NEWS: Version 2.0b.
10245
10246 * Makefile.am (SUBDIRS): Put examples before tests, so that
10247 "make check" doesn't finish with "All 1 tests passed".
10248
10249 * tests/regression.at (Token definitions): Don't rely on
10250 AT_PARSER_CHECK for data that contains backslashes. It currently
10251 uses 'echo', and 'echo' isn't portable if its argument contains
10252 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
10253 that the byte '\0xff' is not printable in the C locale; it is,
10254 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
10255 not printable, so use '\0x81' to test.
10256
10257 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
10258 version of GCC, since the macro is used with non-GCC compilers.
10259
10260 Fix core dump reported by Pablo De Napoli in
10261 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
10262 * tests/regression.at (Invalid inputs with {}): New test.
10263 * src/parse-gram.y (token_name): Translate type before using
10264 it as an index.
10265
10266 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
10267 the user's name space. All uses changed to __attribute__
10268 ((__unused__)).
10269 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
10270 Add __attribute__ ((__noreturn__)).
10271
10272 * etc/clcommit: Remove. We weren't using it, and it failed
10273 "make maintainer-distcheck".
10274 * Makefile.maint: Merge from coreutils.
10275 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
10276 (syntax-check-rules): Change list of rules as described below.
10277 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
10278 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
10279 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
10280 (sc_trailing_space): New rules.
10281 (sc_xalloc_h_in_src): Remove.
10282 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
10283 (sc_space_tab, sc_error_exit_success, sc_changelog):
10284 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
10285 (makefile-check, po-check, author_mark_check):
10286 (makefile_path_separator_check, copyright-check):
10287 Use grep -n, to make it easier to find violations.
10288 Use CVS_LIST and CVS_LIST_EXCEPT.
10289 (header_regexp, h_re): Remove.
10290 (dd_c): New macro.
10291 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
10292 (my-distcheck): Use more-modern GCC flags.
10293 (signatures, %.asc): Remove.
10294 (rel-files, announcement): Remove signatures.
10295 Restore old updating code, even though we don't use it, so
10296 that we're the same as coreutils.
10297 (alpha, beta, major): Depend on news-date-check.
10298 Make the upload commands.
10299
10300 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
10301 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
10302 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
10303 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
10304 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
10305 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
10306 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
10307 * tests/sets.at: Likewise.
10308
10309 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
10310 we comment out the Autoconf version number.
10311 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
10312 it's error-prone and "make maintainer-distcheck" rejects it.
10313
10314 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
10315 Indent calls to "error" to pacify "make maintainer-distcheck",
10316 when the calls are not intended to be translated.
10317 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
10318
10319 * src/Makefile.am (DEFS): Use +=, to pacify
10320 "make maintainer-distcheck".
10321 (bison_SOURCES): Add scan-skel.h.
10322 (sc_tight_scope): New rule, from coreutils.
10323
10324 * src/files.c (src_extension, header_extension):
10325 Now static, not extern.
10326 * src/getargs.c (short_options): Likewise.
10327 * src/muscle_tab.c (muscle_table): Likewise.
10328 * src/parse-gram.y (current_class, current_type, current_prec):
10329 Likewise.
10330 * src/reader.c (grammar_end, previous_rule_end): Likewise.
10331 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
10332 * src/main.c (main): Cast bindtextdomain and textdomain calls to
10333 void, to avoid warning when NLS is disabled.
10334 * src/output.c: Include scan-skel.h.
10335 (scan_skel): Remove decl, since scan-skel.h does this.
10336 (output_skeleton):
10337 Indent calls to "error" to pacify "make maintainer-distcheck".
10338 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
10339 * src/reader.h (gram_end, gram_lineno): New decls to pacify
10340 "make maintainer-distcheck".
10341 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
10342 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
10343 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
10344 (skel_lex_destroy, scan_skel): Move these decls to...
10345 * src/scan-skel.h: New file.
10346 * src/uniqstr.c (uniqstr_assert):
10347 Indent calls to "error" to pacify "make maintainer-distcheck".
10348
10349 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
10350 not @VAR@.
10351
10352 * tests/torture.at: Revamp to avoid misuse of atoi that
10353 "make maintainer-distcheck" complained about.
10354
10355 * examples/extexi (message): Don't print a message more than once,
10356 and omit line-number decoration that makes Emacs compile think
10357 that informative messages are worth worrying about.
10358
10359 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
10360
10361 * configure.ac: Update version number.
10362
10363 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
10364 accidentally.
10365 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
10366 autogenerated by the maintainer.
10367 * examples/calc++/.cvsignore: Add *.yy.
10368
10369 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
10370 * lib/bitset_stats.c (bitset_stats_init): Likewise.
10371 * lib/bitsetv.c (bitsetv_alloc): Likewise.
10372
10373 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
10374
10375 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
10376 from maintainer-distcheck about casting the argument of 'free'.
10377
10378 * NEWS: Mention recent yytname changes.
10379 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
10380
10381 * bootstrap: For translations that have not yet been upgraded to
10382 the new runtime-po domain, prime the pump by extracting the
10383 relevant strings from the obsolete translations. This code can be
10384 removed once the bison-runtime domain has been translated by each
10385 team.
10386
10387 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
10388 now that token names are already quoted.
10389
10390 Fix problem reported by Anthony Heading.
10391 * data/glr.c (YYTOKEN_TABLE): New macro.
10392 (yytname): Define if YYTOKEN_TABLE.
10393 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
10394 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
10395 (YYERROR_VERBOSE): Define the same way the other skeletons do.
10396 * src/output.c (prepare_symbols): Output token_table_flag.
10397
10398 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
10399
10400 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
10401 again if the first call fails.
10402
10403 * data/glr.c (yytnamerr): New function.
10404 (yyreportSyntaxError): Use it to dequote most string literals.
10405 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
10406 with other skeletons. All uses changed.
10407 (yytnameerr_): New function.
10408 (yyreport_syntax_error): Use it to dequote most string literals.
10409 * data/yacc.c (yytnamerr): New function.
10410 (yyerrlab): Use it to decode most string literals.
10411 * doc/bison.texinfo (Decl Summary, Calling Convention):
10412 Clarify quoting convention of yytname.
10413 * src/output.c (prepare_symbols): Quote all names. This undoes
10414 the 2005-04-17 change, which is now accomplished (mostly) via
10415 changes in the parsers as described above.
10416 * tests/regression.at (Token definitions, Web2c Actions):
10417 Undo most 2005-04-17 change here, too.
10418
10419 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
10420
10421 Fix more problems reported by twlevo@xs4all.nl.
10422 * tests/cxx-type.at: Don't pipe output of ./types through sed to
10423 remove trailing spaces. This loses the exit status of ./types,
10424 and isn't needed since ./types shouldn't be emitting trailing
10425 spaces.
10426 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
10427 as the stack isn't valid in that case.
10428
10429 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
10430 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
10431 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
10432 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
10433 is used.
10434 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
10435 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
10436 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
10437 Likewise.
10438
10439 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
10440 overly-picky compilers that reject 'char *foo = "bar";'.
10441
10442 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
10443 to FILE * parameter, not to stderr. This fixes a typo introduced
10444 in the 2005-07-12 change.
10445
10446 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
10447 warnings from GCC 4.
10448
10449 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
10450 (yyglrShiftDefer, yysplitStack):
10451 Remove unused parameters b4_pure_formals. All uses changed.
10452 (yyglrShift): Remove unused parameters b4_user_formals.
10453 All uses changed.
10454 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
10455
10456 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
10457
10458 Destructor cleanups and regularization among the three skeletons.
10459 * NEWS: Document the behavior changes.
10460 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
10461 stack before failing, as the cleanup code will do it for us now.
10462 * data/lalr1.cc (yyerrlab): Likewise.
10463 * data/glr.c (yyparse): Pop everything off the stack before
10464 freeing it, so that destructors get called properly.
10465 * data/lalr1.cc (yyreturn): Likewise.
10466 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
10467 This is more consistent.
10468 * doc/bison.texinfo (Destructor Decl): Mention more reasons
10469 why destructors might be called. 1.875 -> 2.1.
10470 (Destructor Decl, Decl Summary, Table of Symbols):
10471 Some English-language cleanups for %destructor.
10472 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10473 Add output line for destructor of start symbol.
10474 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
10475 because of that same extra output line.
10476
10477 * NEWS: Document minor wording changes in diagnostics of
10478 Bison-generated parsers.
10479 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
10480 Remove unused formals. All uses changed.
10481 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
10482 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
10483 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
10484 Rename yyoverflowab to yyexhaustedlab.
10485 When memory exhaustion occurs during syntax-error reporting,
10486 report it separately rather than in a single diagnostic; this
10487 eases translation.
10488 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
10489 (Memory Exhausted): Renamed from Parser Stack Overflow.
10490 Revamp wording slightly to prefer "memory exhaustion".
10491 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
10492
10493 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
10494
10495 Add i18n support to the GLR skeleton. Partially fix the C++
10496 skeleton; a C++ expert needs to finish this. Remove debugging
10497 msgids; there's little point to having them translated, since they
10498 can be understood only by someone who can read the
10499 (English-language) source code.
10500
10501 Generate runtime-po/bison-runtime.pot automatically, so that we
10502 don't have to worry about garbage getting in that file. We'll
10503 make sure after the next official release that old msgids don't
10504 get lost. See
10505 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
10506
10507 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
10508 Now auto-generated.
10509 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
10510 Fix typos in explanations of the runtime file.
10511 * bootstrap: Change gettext keyword from YYI18N to YY_.
10512 Use standard Makefile.in.in in runtime-po, since we'll arrange
10513 for backward-compatible bison-runtime.po files in a different way.
10514 * data/glr.c (YY_): New macro, from yacc.c.
10515 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
10516 Translate messages intended for users.
10517 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
10518 the wording in the other skeletons. We don't know that the memory
10519 is virtual.
10520 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
10521 Use same method that yacc.c uses.
10522 Don't translate debugging messages.
10523 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
10524 it doesn't work (yet), and requires C++ expertise to fix.
10525 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
10526 Move defn to a more logical place, to be consistent with other
10527 skeletons.
10528 Don't translate debugging messages.
10529 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
10530 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
10531 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
10532 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
10533
10534 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
10535 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
10536 void, not int.
10537 * tests/glr-regression.at (Badly Collapsed GLR States):
10538 Likewise.
10539 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10540 yylex should return 0 at EOF rather than aborting.
10541
10542 Improve tests for stack overflow in GLR parser.
10543 Problem reported by twlevo@xs4all.nl.
10544 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
10545 All uses removed.
10546 (yyStackOverflow): Just longjmp, but with value 2 so that caller
10547 can handle the problem.
10548 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
10549 (yyparse): New local variable yyresult to record the result.
10550 Use result of setjmp to set it, rather than storing itinto
10551 struct.
10552 (yyDone): Remove label.
10553 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
10554 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
10555 if YYABORT is used).
10556 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
10557 yyparse status; put status > 1 into diagnostic.
10558 Check that status==2 works.
10559 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
10560 Use exit status 3 for failure to open (which shouldn't happen).
10561
10562 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
10563
10564 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
10565 1 on syntax error; just let yyparse do its thing.
10566 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
10567 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
10568 (Exploding the Stack Size with Alloca):
10569 (Exploding the Stack Size with Malloc):
10570 Expect exit status 2, not 1, since the parser is supposed to blow
10571 its stack. Problem reported by twlevo@xs4all.nl.
10572
10573 * data/glr.c (yyparse): Don't assume that the initial calls
10574 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
10575 Print a stack-overflow message and fail instead.
10576 Initialize the line-number information before creating the stack,
10577 so that the stack-overflow message can report line zero safely.
10578
10579 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
10580
10581 Fix problems reported by twlevo@xs4all.nl.
10582 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
10583 (yyuserMerge): Provide a default case if b4_mergers is empty.
10584 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
10585 * tests/glr-regression.at
10586 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10587 Add casts to pacify C++ compilers.
10588 * tests/glr-regression.at (Improper merging of GLR delayed action
10589 sets): Declare yylex before using it.
10590 * tests/Makefile.am (maintainer-check-g++): Fix a stray
10591 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
10592 test for valgrind; valgrind is independent of g++.
10593 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
10594 for compatibility with POSIX 1003.1-2001 (if running coreutils).
10595 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
10596 Use a destructor, so that we can expand the stack. Change
10597 YYSTYPE to char * so that we can free it. Cast result of malloc.
10598
10599 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10600
10601 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
10602 a valgrind failure. Problem reported by twlevo@xs4all.nl.
10603
10604 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
10605
10606 * PACKAGING: New file, suggested by Bruno Haible and taken from
10607 similar wording in gettext's PACKAGING file.
10608 * NEWS: Mention PACKAGING.
10609 * Makefile.am (EXTRA_DIST): Add PACKAGING.
10610
10611 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
10612
10613 * NEWS: Document recent i18n improvements.
10614 * bootstrap: Get runtime translations into runtime-po.
10615 Create runtime-po files automatically, if possible.
10616 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
10617 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
10618 does not infringe on the user's name space.
10619 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
10620 * doc/bison.texinfo (Internationalization): Revamp the English
10621 and Texinfo syntax a bit, to try to make it clearer.
10622 (Bison Options, Option Cross Key): Mention --print-localedir.
10623 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
10624 YYENABLE_NLS. Quote a bit more.
10625 * runtime-po/.cvsignore: New file.
10626 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
10627 * runtime-po/Rules-quot: Remove; now created by bootstrap.
10628 * runtime-po/quot.sed: Likewise.
10629 * runtime-po/boldquot.sed: Likewise.
10630 * runtime-po/en@quot.header: Likewise.
10631 * runtime-po/en@boldquot.header: Likewise.
10632 * runtime-po/insert-header.sin: Likewise.
10633 * runtime-po/remove-potcdate.sin: Likewise.
10634 * runtime-po/Makevars: Likewise.
10635 * runtime-po/LINGUAS: Likewise.
10636 * runtime-po/de.po: Likewise; we will rely on the translation project
10637 to maintain this, so "bootstrap" should get it.
10638 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
10639 its value.
10640 * src/main.c (main): Bind the bison-runtime domain, too.
10641
10642 2005-07-12 Bruno Haible <bruno@clisp.org>
10643
10644 * data/yacc.c: Include <libintl.h> when NLS is enabled.
10645 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
10646 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
10647 * runtime-po: New directory.
10648 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
10649 $(DOMAIN).pot-update rule, so that old messages are never dropped.
10650 * runtime-po/Rules-quot: New file, copied from po/.
10651 * runtime-po/quot.sed: Likewise.
10652 * runtime-po/boldquot.sed: Likewise.
10653 * runtime-po/en@quot.header: Likewise.
10654 * runtime-po/en@boldquot.header: Likewise.
10655 * runtime-po/insert-header.sin: Likewise.
10656 * runtime-po/remove-potcdate.sin: Likewise.
10657 * runtime-po/Makevars: New file.
10658 * runtime-po/POTFILES.in: New file.
10659 * runtime-po/LINGUAS: New file.
10660 * runtime-po/bison-runtime.pot: New file.
10661 * runtime-po/de.po: New file.
10662 * m4/bison.m4: New file.
10663 * Makefile.am (SUBDIRS): Add runtime-po.
10664 (aclocaldir, aclocal_DATA): New variables.
10665 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
10666 Define aclocaldir.
10667 * src/getargs.c (usage): Document --print-localedir option.
10668 (PRINT_LOCALEDIR_OPTION): New enum item.
10669 (long_options): Add --print-localedir option.
10670 (getargs): Handle --print-localedir option.
10671 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
10672 (Internationalization): New section.
10673
10674 2005-07-12 Akim Demaille <akim@epita.fr>
10675
10676 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
10677 for consistency with the rest of the code.
10678 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
10679 Add separators.
10680
10681 2005-07-12 Akim Demaille <akim@epita.fr>
10682
10683 * src/parse-gram.y: Use %printer instead of YYPRINT.
10684
10685 2005-07-12 Akim Demaille <akim@epita.fr>
10686
10687 * src/symtab.h, src/symtab.c (symbol_print): New.
10688 * src/symlist.h, src/symlist.c (symbol_list_print): New.
10689 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
10690
10691 2005-07-12 Akim Demaille <akim@epita.fr>
10692
10693 * data/glr.c (b4_syncline): Fix (swap) the definitions of
10694 b4_at_dollar and b4_dollar_dollar.
10695
10696 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
10697
10698 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
10699 and Pennello's paper.
10700
10701 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
10702
10703 * data/yacc.c (yyparse): Undo previous patch. Instead,
10704 set yylsp[0] and yyvsp[0] only if the initial action
10705 sets yylloc and yylval, respectively.
10706
10707 * data/yacc.c (yyparse): In the initial action, set
10708 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
10709 This avoids the use of undefined variables if the initial
10710 action does not set yylloc and/or yylval.
10711
10712 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
10713
10714 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
10715 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
10716 Remove from CVS. These files are automatically generated.
10717 * examples/extexi: Clarify that this file is now part of Bison,
10718 not GNU M4, and that it works with any POSIX-compatible Awk.
10719 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
10720 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
10721 so that we also get calc++-parser.yy. Geneate it.
10722 Use $(AWK), not gawk, since any conforming Awk will do.
10723 Put comment before action, since older 'make' can't handle comment
10724 in action.
10725 $(BUILT_SOURCES): List all built sources, not just some of them.
10726 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
10727 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
10728 $($(calc_sources_generated)): Remove unnecessary test for existence
10729 of target. (This had a shell syntax error anyway; a stray "x".)
10730 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
10731 calc++-parser.yy.
10732 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
10733
10734 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
10735 implied by the other modules.
10736
10737 2005-07-06 Akim Demaille <akim@epita.fr>
10738
10739 Bind examples/calc++ to the package.
10740 * examples/calc++/Makefile: Remove, replaced by...
10741 * examples/calc++/Makefile.am: ... this new file.
10742 * examples/calc++/test: Remove input.
10743 * examples/calc++/compile: Remove.
10744 * examples/Makefile.am: New.
10745 * configure.ac, Makefile.am: Adjust.
10746 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
10747
10748 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
10749
10750 * data/glr.c (yyFail): Drastically simplify; since the format argument
10751 never had any % directives, we can simply pass it to yyerror.
10752 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
10753 be modified later, as that is the usual style in glr.c.
10754 Problems reported by Paul Hilfinger.
10755
10756 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
10757 and size overflow errors.
10758 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
10759 in case the user prolog sets feature-test macros like _GNU_SOURCE.
10760 (YYSIZEMAX): New macro.
10761 (yystpcpy): New function, taken from yacc.c.
10762 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
10763 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
10764 so that we don't have to maintain their signatures.
10765 (yyFail): Check for buffer overflow, by using vsnprintf rather
10766 than vsprintf. Allocate a bigger buffer if possible.
10767 Report an error if buffer allocation fails.
10768 (yyStackOverflow): New function.
10769 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
10770 the initialization was successful. It might fail if storage was
10771 exhausted.
10772 (yyexpandGLRStack): Add more checks for storage allocation failure.
10773 Use yyStackOverflow to report failures.
10774 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
10775 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
10776 Don't assume stack number fits in int.
10777 (yysplitStack): Check for storage allocation failure.
10778 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
10779 can print diagnostics on storage allocation failure. All callers
10780 changed.
10781 (yyresolveValue): Use yybool for boolean.
10782 (yyreportSyntaxError): Check for size-calculation overflow.
10783 This code is taken from yacc.c.
10784 (yyparse): Check for storage allocation errors when allocating
10785 the initial stack.
10786
10787 2005-07-05 Akim Demaille <akim@epita.fr>
10788
10789 Extract calc++ from the documentation.
10790 * doc/bison.texinfo (Calc++): Add the extraction marks.
10791 * examples/extexi: New, from the aborted GNU Programming 2E.
10792 Separate the different paragraph of a file with empty lines.
10793 * examples/Makefile: Use it to extract the whole calc++ example.
10794
10795 2005-06-24 Akim Demaille <akim@epita.fr>
10796
10797 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
10798 class typedefs.
10799
10800 2005-06-22 Akim Demaille <akim@epita.fr>
10801
10802 * doc/bison.texinfo (C++ Language Interface): First stab.
10803 (C++ Parsers): Remove.
10804
10805 2005-06-22 Akim Demaille <akim@epita.fr>
10806
10807 * data/lalr1.cc (yylex_): Honor %lex-param.
10808
10809 2005-06-22 Akim Demaille <akim@epita.fr>
10810
10811 Start a set of simple examples.
10812 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
10813 * examples/calc++/calc++-driver.hh,
10814 * examples/calc++/calc++-parser.yy,
10815 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
10816 * examples/calc++/compile, examples/calc++/test: New.
10817
10818 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
10819
10820 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
10821 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
10822 which stems from the 2005-05-27 patch.
10823
10824 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
10825
10826 * data/glr.c: Modify treatment of unused parameters to permit use
10827 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
10828
10829 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
10830
10831 Fix infringement on user name space reported by Janos Zoltan Szabo.
10832 * data/yacc.c (yyparse): strlen -> yystrlen.
10833
10834 2005-05-30 Akim Demaille <akim@epita.fr>
10835
10836 * data/lalr1.cc (_): New.
10837 Translate the various messages.
10838
10839 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
10840
10841 Fix infringement on user name space reported by Bruno Haible.
10842 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
10843 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
10844 the user's name space.
10845 (alloca): Include <stdlib.h> to get it, if it's not built in.
10846 (YYMALLOC, YYFREE): Define only if needed.
10847 (malloc, free): Declare, but only if needed, as this infringes on
10848 the user name space.
10849
10850 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
10851
10852 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
10853 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
10854 with %d format.
10855 * lib/ebitset.c (min, max): Undef before defining.
10856 * lib/vbitset.c (min, max): Likewise.
10857 * lib/subpipe.c (create_subpipe): Save local variables in case
10858 vfork clobbers them.
10859
10860 2005-05-24 Bruno Haible <bruno@clisp.org>
10861
10862 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
10863 error message syntax used by gcc-4.0.
10864
10865 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
10866
10867 * README: Mention m4 1.4.3. Remove obsolete advice about
10868 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
10869
10870 * bootstrap: Remove workaround for problem I encountered with
10871 gettext 0.14.1; it seems to be fixed now.
10872
10873 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
10874
10875 * NEWS: Version 2.0a.
10876
10877 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
10878 the previous change.
10879
10880 Various maintainer cleanups.
10881 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
10882 conftest*, for benefit of CVS commands run at the same time as
10883 "configure". Add build-aux, since "bootstrap" now creates it and
10884 its subfiles.
10885 * Makefile.cfg (move_if_change): Remove.
10886 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
10887 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
10888 (po_repo, do-po-update, po-update, wget_files, get-targets):
10889 (config.guess-url_prefix, config.sub-url_prefix):
10890 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
10891 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
10892 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
10893 Remove.
10894 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
10895 this is now the recommended name.
10896 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
10897 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
10898 ylwrap. These files now go into build-aux.
10899 * config/move-if-change: Remove.
10900 * config/prev-version.txt: Bump from 1.75 to 2.0.
10901
10902 * bootstrap: Add stdio-safer, unistd-safer modules.
10903 Remove m4/glibc2.m4 (introduced by latest gnulib, but
10904 we don't need it).
10905 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
10906 fopen-safer.c, stdio-safer.h, unistd-safer.h.
10907 * lib/subpipe.c: Include "unistd-safer.h".
10908 (create_subpipe): Make sure all the newly-created
10909 file descriptors are > 2, so that diagnostics don't
10910 get sent down them (which might cause Bison to hang, in theory).
10911 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
10912 * src/files.c (xfopen): Use fopen_safer, not fopen.
10913
10914 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
10915 yesterday's yacc.c fix.
10916
10917 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
10918
10919 * data/glr.c, data/lalr1.cc: Update copyright date.
10920
10921 Fix a destructor bug reported by Wolfgang Spraul in
10922 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
10923 * data/yacc.c (yyabortlab): Don't call destructor, and
10924 don't set yychar to EMPTY.
10925 (yyoverflowlab): Don't call destructor.
10926 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
10927 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
10928 since we no longer output the message "discarding lookahead token
10929 end of input ()".
10930
10931 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10932
10933 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
10934 fix a small glitch in debugging output.
10935 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
10936 after YY_SYMBOL_PRINT where needed.
10937
10938 (struct yyGLRState): Add some comments.
10939 (struct yySemanticOption): Add some comments.
10940 (union yyGLRStackItem): Add comment.
10941
10942 (yymergeOptionSets): Correct this to properly perform the union,
10943 avoiding infinite reported by Michael Rosien.
10944 Update comment.
10945
10946 * tests/glr-regression.at: Add test for GLR merging error reported
10947 by M. Rosien.
10948
10949 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
10950
10951 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
10952 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
10953 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
10954 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
10955 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
10956 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
10957 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
10958 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
10959 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
10960 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
10961 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
10962 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
10963 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
10964 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
10965 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
10966 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
10967 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
10968 src/derives.h, src/files.c, src/files.h, src/getargs.c,
10969 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
10970 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
10971 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
10972 src/output.h, src/parse-gram.c, src/parse-gram.h,
10973 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
10974 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
10975 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
10976 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
10977 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
10978 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
10979 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
10980 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
10981 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
10982 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
10983 tests/reduce.at, tests/regression.at, tests/sets.at,
10984 tests/synclines.at, tests/testsuite.at, tests/torture.at:
10985 Update FSF postal mail address.
10986
10987 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
10988
10989 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
10990 Problem reported by Ralf Menzel.
10991
10992 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
10993
10994 * tests/actions.at: Test that stack overflow invokes destructors.
10995 From Marcus Holland-Moritz.
10996 * data/yacc.c (yyerrlab): Move the code that destroys the stack
10997 from here....
10998 (yyreturn): to here. That way, destructors are called properly
10999 even if the stack overflows, or the user calls YYACCEPT or
11000 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
11001 (yyoverflowlab): Destroy the lookahead.
11002
11003 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
11004
11005 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
11006
11007 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
11008
11009 * NEWS: Bison-generated C parsers no longer quote literal strings
11010 associated with tokens.
11011 * src/output.c (prepare_symbols): Don't escape strings,
11012 since users don't want to see C escapes.
11013 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
11014 in diagnostics.
11015 * tests/input.at (Torturing the Scanner): Likewise.
11016 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
11017
11018 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
11019
11020 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
11021 the data size is known to be too small and we can't increase it.
11022 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
11023
11024 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
11025
11026 * src/parse-gram.y: Include quotearg.h.
11027 (string_as_id): Quote $1 before using it as a key, since the
11028 lexer no longer quotes it for us.
11029 (string_content): Don't strip quotes, since lexer no longer
11030 quotes it for us.
11031 * src/scan-gram.l: Include quotearg.h.
11032 ("\""): Omit quote.
11033 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
11034 a key, since the rest of the lexer doesn't quote it.
11035 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
11036 * tests/regression.at (Token definitions): Check for backslashes
11037 in token strings.
11038
11039 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
11040 (YYSIZE_T): Define to unsigned long int when using an older compiler.
11041 (yyparse): Revamp code to generate long syntax error message, to
11042 make it easier to translate, and to avoid problems with arithmetic
11043 overflow. Change "virtual memory" to "memory" in diagnostic, since
11044 we don't know whether the memory is virtual.
11045
11046 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
11047
11048 * NEWS: Bison-generated C parsers now use the _ macro to
11049 translate strings.
11050 * data/yacc.c (_) [!defined _]: New macro.
11051 All English strings wrapped inside this macro.
11052 * doc/bison.texinfo (Bison Parser): Document _.
11053 * po/POTFILES.in: Include src/parse-gram.c, since it now
11054 includes translateable strings that parse-gram.y doesn't.
11055
11056 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
11057
11058 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
11059 reverting the 2004-10-11 change to this function.
11060 (symbol_check_alias_consistency): Don't call symbol_type_set
11061 if the type name is already correct.
11062 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
11063
11064 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
11065
11066 * tests/regression.at (Token definitions): Don't use a token named
11067 c, as that generates a "#define c ..." that runs afoul of buggy
11068 stdlib.h that uses the identifier c as a member of struct
11069 drand48_data. Problem reported by Horst Wente.
11070
11071 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
11072
11073 * bootstrap: Change translation URL from
11074 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
11075 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
11076 redirection glitches. Problem reported by twlevo@xs4all.nl.
11077
11078 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
11079
11080 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
11081 after operands; POSIX says this isn't portable for the c99 command.
11082
11083 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
11084
11085 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
11086 immediately if a data overrun has occurred; this may help us track
11087 down what may be a spurious failure on MacOS.
11088
11089 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
11090
11091 Respond to problems reported by twlevo@xs4all.nl.
11092
11093 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
11094
11095 * src/vcg.h: Comment fix.
11096 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
11097 (G_CMAX): Change to -1 instead of INT_MAX.
11098
11099 * data/yacc.c (yyparse): Omit spaces before #line.
11100
11101 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
11102
11103 * src/tables.c (state_number_to_vector_number): Put it inside an
11104 "#if 0", since it's not currently used. Problem reported by
11105 Roland McGrath.
11106
11107 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
11108
11109 * src/output.c (escaped_output): Renamed from
11110 escaped_file_name_output, since we now use it for symbol tags as
11111 well. All uses changed.
11112 (symbol_destructors_output, symbol_printers_output):
11113 Escape symbol tags too.
11114 Problem reported by Matyas Forstner in
11115 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
11116
11117 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
11118 not needed.
11119 * src/output.c (user_actions_output, token_definitions_output,
11120 symbol_destructors_output, symbol_printers_output): Likewise.
11121 * src/reader.c (prologue_augment): Likewise.
11122 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
11123
11124 * src/vcg.c (output_edge): Don't quote linestyle arg.
11125 Problem reported by twlevo@xs4all.nl.
11126
11127 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
11128
11129 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
11130 example, reported by Derek M Jones. Also, make the example even
11131 more outrageous, to better illustrate how bad the problem is.
11132
11133 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
11134
11135 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
11136 putsym. Typo reported by Sebastian Piping.
11137
11138 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
11139
11140 * doc/bison.texinfo (Language and Grammar): some -> same
11141 (Epilogue): int he -> in the
11142 Typos reported by Sebastian Piping via Justin Pence.
11143
11144 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
11145
11146 * tests/glr-regression.at (Improper handling of embedded actions
11147 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
11148 embedded actions and $-N in GLR parsers", work around an Autoconf bug
11149 with dollar signs in test names.
11150 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
11151 for a similar reason.
11152
11153 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
11154
11155 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
11156 wants to redefine G_VIEW.
11157
11158 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
11159
11160 * src/vcg.c (get_view_str): Remove case for normal_view.
11161 Problem reported by twlevo@xs4all.nl.
11162
11163 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
11164
11165 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
11166 Problem reported by twlevo@xs4all.nl.
11167
11168 * doc/bison.texinfo: Change @dircategory from "GNU programming
11169 tools" to "Software development". Requested by Richard Stallman
11170 via Karl Berry.
11171
11172 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
11173
11174 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
11175 Problem reported by twlevo@xs4all.nl.
11176
11177 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
11178
11179 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
11180 keyword; it's not needed with modern compilers, and it doesn't
11181 affect correctness with older compilers. Suggested by
11182 twlevo@xs4all.nl.
11183
11184 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
11185
11186 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
11187 gcc -Wswitch-default.
11188 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
11189 * data/yacc.c (yyparse): Likewise.
11190
11191 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
11192
11193 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
11194 already. Let config.h define any nonstandard values.
11195
11196 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
11197
11198 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
11199 for the benefit of slower hosts. Problem reported by
11200 Nelson H. F. Beebe.
11201
11202 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
11203
11204 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
11205 being defined and not used.
11206 * data/lalr1.cc (yyparse): Likewise.
11207 Use "if (false)" rather than "if (0)".
11208
11209 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
11210
11211 * TODO: Mention that we should allow NUL bytes in tokens.
11212
11213 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
11214
11215 * src/scan-skel.l (<<EOF>>): Don't close standard output.
11216 Problem reported by Hans Aberg.
11217
11218 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
11219
11220 * src/getargs.c (version): Happy new year; update overall
11221 program copyright date from 2004 to 2005.
11222
11223 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
11224 Problem reported by Hans Aberg.
11225 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
11226 (Output file names.): Add a test for the case when standard output
11227 is closed.
11228
11229 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
11230
11231 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
11232 to fix an oversight in the Bison 2.0 manual.
11233
11234 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
11235
11236 * NEWS: Version 2.0. Reformat the existing news items since
11237 1.875, so that related items are grouped together.
11238 * configure.ac (AC_INIT): Bump version to 2.0.
11239 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
11240
11241 * tests/torture.at (Exploding the Stack Size with Alloca): Set
11242 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
11243 otherwise, we're not testing alloca. Unfortunately there's no
11244 simple way to consult HAVE_ALLOCA here.
11245
11246 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
11247 for yymsg, too.
11248
11249 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
11250 hand. This avoids a warning about comparing int to size_t when
11251 GCC warnings are enabled.
11252
11253 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
11254
11255 * NEWS: Bison-generated parsers no longer default to using the
11256 alloca function (when available) to extend the parser stack, due
11257 to widespread problems in unchecked stack-overflow detection.
11258 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
11259 responsibility to set it to a positive value. This lets the user
11260 specify a value that is not a preprocessor constant.
11261 * data/yacc.c (YYMAXDEPTH): Likewise.
11262 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
11263 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
11264 to be a compile-time constant. However, explain the constraints on it.
11265 Also, explain the constraints on YYINITDEPTH.
11266 (Table of Symbols): Explain that alloca is no longer the default.
11267 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
11268 to 1.
11269
11270 * doc/bison.texinfo (Location Default Action): Mention that n must
11271 be zero when k is zero. Suggested by Frank Heckenbach.
11272
11273 2004-12-22 Akim Demaille <akim@epita.fr>
11274
11275 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
11276 (parser::state_type, parser::semantic_type, parser::location_type):
11277 Private, not public.
11278 (parser::parse): Return ints, not bool.
11279 Returning a bool introduces a problem: 0 corresponds to false, and
11280 it seems weird to return false on success. Returning true changes
11281 the conventions for yyparse.
11282 Alternatively we could return void and send an exception.
11283 There is no clear consensus (yet?).
11284 (state_stack, semantic_stack, location_stack): Rename as...
11285 (state_stack_type, semantic_stack_type, location_stack_type): these.
11286 Private, not public.
11287 * tests/c++.at: New.
11288 * tests/testsuite.at, tests/Makefile.am: Adjust.
11289
11290 2004-12-21 Akim Demaille <akim@epita.fr>
11291
11292 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
11293
11294 2004-12-21 Akim Demaille <akim@epita.fr>
11295
11296 Don't impose std::string for filenames.
11297
11298 * data/lalr1.cc (b4_filename_type): New.
11299 (position::filename): Use it.
11300 (parser.hh): Move the inclusion of stack.hh and location.hh below
11301 the user code, so that needed headers for the filename type can be
11302 included first.
11303 Forward declare them before the user code.
11304 * tests/Makefile.am (check-local, installcheck-local): Pass
11305 TESTSUITEFLAGS to the TESTSUITE.
11306
11307 2004-12-20 Akim Demaille <akim@epita.fr>
11308
11309 Use more STL like names: my_class instead of MyClass.
11310
11311 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
11312 (SemanticStack, SemanticType, StateStack, StateType)
11313 (TokenNumberType, Stack, Slice, Traits, Parser::location)
11314 (Parser::value): Rename as...
11315 (location_stack, location_type, rhs_number_type, semantic_stack)
11316 (semantic_type, state_stack, state_type, token_number_type, stack)
11317 (slice, traits, parser::yylloc, parser::yylval): these.
11318
11319 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
11320
11321 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
11322
11323 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
11324 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11325
11326 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
11327
11328 Remove uses of 'short int' and 'unsigned short int'. This raises
11329 some arbitrary limits. It uses more memory but nowadays that's
11330 not much of an issue.
11331
11332 This change does not affect the generated parsers; that's a different
11333 task, as some users will want to conserve memory there.
11334
11335 Ideally we should use size_t to represent all object counts, and
11336 something like ptrdiff_t to represent signed differences of object
11337 counts; but that will require more code-cleanup than I have the
11338 time to do right now.
11339
11340 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
11341 Use size_t, not int or short int, to count objects.
11342 * src/closure.c (nritemset, closure): Likewise.
11343 * src/closure.h (nritemset, closure): Likewise.
11344 * src/nullable.c (nullable_compute): Likewise.
11345 * src/print.c (print_core): Likewise.
11346 * src/print_graph.c (print_core): Likewise.
11347 * src/state.c (state_compare, state_hash): Likewise.
11348 * src/state.h (struct state): Likewise.
11349 * src/tables.c (default_goto, goto_actions): Likewise.
11350
11351 * src/gram.h (rule_number, rule): Use int, not short int.
11352 * src/output.c (prepare_rules): Likewise.
11353 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
11354 errs, reductions): Likewise.
11355 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
11356 Likewise.
11357 * src/tables.c (vector_number, tally, action_number,
11358 ACTION_NUMBER_MINIMUM): Likewise.
11359 * src/output.c (muscle_insert_short_int_table): Remove.
11360
11361 2004-12-17 Akim Demaille <akim@epita.fr>
11362
11363 * data/lalr1.cc: Extensive Doxygenation.
11364 (error_): Rename as...
11365 (error): this, since it is visible to the user.
11366 Adjust callers.
11367 (Parser::message): Now an automatic variable from...
11368 (Parser::yyreport_syntax_error_): here.
11369 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
11370 Parser::error.
11371 * tests/input.at: Escape $.
11372
11373 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
11374
11375 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
11376 Parenthesize rhs to avoid obscure problems with mistakes like
11377 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
11378 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
11379 b4_rhs_location): Likewise.
11380 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
11381 b4_rhs_location): Likewise.
11382
11383 2004-12-16 Akim Demaille <akim@epita.fr>
11384
11385 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
11386 yacc.c: be sure to stay within yycheck_.
11387 * tests/actions.at: Re-enable C++ tests.
11388
11389 2004-12-16 Akim Demaille <akim@epita.fr>
11390
11391 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
11392 real.
11393
11394 2004-12-16 Akim Demaille <akim@epita.fr>
11395
11396 Use #define to handle the %name-prefix.
11397
11398 * data/glr.c, data/yacc.c: Comment changes.
11399 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
11400 so that one can refer to yylex in the parser file, and have it
11401 renamed, as is the case with other skeletons.
11402
11403 2004-12-16 Akim Demaille <akim@epita.fr>
11404
11405 Move lalr1.cc internals into yy*.
11406
11407 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
11408 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
11409 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
11410 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
11411 (empty_, final_, terror_, errcode_, ntokens_)
11412 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
11413 (looka_, ilooka_, error_range_, nerrs_):
11414 Rename as...
11415 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
11416 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
11417 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
11418 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
11419 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
11420 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
11421 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
11422 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
11423 these.
11424
11425 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
11426
11427 Fix some problems reported by twlevo at xs4all.
11428 * src/symtab.c (symbol_new): Report an error if the input grammar
11429 contains too many symbols. This is better than calling abort() later.
11430 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
11431 (struct node, struct graph):
11432 Rename member expand to stretch. All uses changed.
11433 (struct graph): Remove member layoutalgorithm. All uses removed.
11434 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
11435 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
11436 All uses changed.
11437 (N_STRETCH): Rename from N_EXPAND. All uses changed.
11438
11439 2004-12-15 Akim Demaille <akim@epita.fr>
11440
11441 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
11442 Add more Doxygen comments.
11443 (symprint_, stack_print_, reduce_print_, destruct_, pop)
11444 (report_syntax_error_, translate_): Rename as...
11445 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
11446 (yypop_, yyreport_syntax_error_, yytranslate_): this.
11447
11448 2004-12-15 Akim Demaille <akim@epita.fr>
11449
11450 * data/lalr1.cc (lex_): Rename as...
11451 (yylex_): this.
11452 Move the trace here.
11453 Take the %name-prefix into account.
11454 Reported by Alexandre Duret-Lutz.
11455
11456 2004-12-15 Akim Demaille <akim@epita.fr>
11457
11458 Simplify the C++ parser constructor.
11459
11460 * data/lalr1.cc (debug_): Rename as...
11461 (yydebug_): so that the parser's internals are always in the yy*
11462 pseudo namespace.
11463 Adjust uses.
11464 (b4_parse_param_decl): Remove the leading comma as it is now only
11465 called as unique argument list.
11466 (Parser::Parser): Remove the constructor accepting a location and
11467 an initial debugging level.
11468 Remove from the other ctor the argument for the debugging level.
11469 (debug_level_type, debug_level, set_debug_level): New.
11470
11471 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
11472 constructor calls.
11473
11474 2004-12-15 Akim Demaille <akim@epita.fr>
11475
11476 Remove b4_root related material: failure experiment
11477 (which goal was to allow to derive from a class).
11478
11479 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
11480 definitions and uses.
11481
11482 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
11483
11484 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
11485 not 2, since it's not portable to subtract 1 from the start of an
11486 array. The new item 0 is never set or used. All uses changed.
11487
11488 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
11489 the default definition of YYLLOC_DEFAULT. Problem reported
11490 by Frank Heckenbach.
11491
11492 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
11493
11494 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
11495 the normal case and one for the error case. Just use the
11496 first one uniformly. Problem reported by Frank Heckenbach.
11497 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
11498 use exactly the same macro in both places.
11499 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
11500 so that the normal-case YYRHSLOC works for the error case too.
11501 All uses changed.
11502 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
11503 (YYLLOC_DEFAULT): Use the same macro as glr.c.
11504 * doc/bison.texinfo (Location Default Action): Don't claim that
11505 we have an array of locations. Use the same macro for both glr
11506 and lalr parsers. Mention YYRHSLOC. Mention what happens when
11507 the index is 0.
11508
11509 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
11510
11511 * HACKING: Update email addresses to send announcements to.
11512
11513 * configure.ac (AC_INIT): Bump version to 1.875f.
11514
11515 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
11516
11517 * NEWS: Version 1.875e.
11518 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
11519
11520 * src/scan-skel.l: Include "complain.h", for "fatal".
11521
11522 * src/relation.h (relation_print, relation_digraph):
11523 Relation sizes are of type relation_node, not size_t (this is
11524 merely a doc fix, since the two types are equivalent).
11525 (relation_transpose): Relation sizes are of type relation_node,
11526 not int.
11527 * src/relation.c: Likewise.
11528 (top, infinity): Now of type relation_node, not int.
11529 (traverse, relation_transpose): Use relation_node, not int.
11530
11531 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
11532 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
11533 (yyparse): Remove unused local introduced in 2004-10-25 patch.
11534
11535 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
11536 specifying whether the test should be skipped. Use it tp
11537 specify that the [%defines %skeleton "lalr1.cc"] tests currently
11538 fail on some hosts, and should be skipped.
11539
11540 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
11541
11542 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
11543 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
11544 unless otherwise specified below.
11545
11546 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
11547 to allocate kernel_base, kernel_items, kernel_size, since
11548 they needn't be initialized to 0.
11549 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
11550 * src/closure.c (new_closure): Likewise, for itemset.
11551 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
11552 * src/lalr.c (set_goto_map): Likewise, for temp_map.
11553 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
11554 (build_relations): Likewise for edge, states1, includes.
11555 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
11556 * src/reader.c (packgram): Likewise, for ritem, rules.
11557 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
11558 * src/relation.c (relation_digraph): Likewise for VERTICES.
11559 (relation_transpose): Likewise for new_R, end_R.
11560 * src/symtab.c (symbols_token_translations_init): Likewise for
11561 token_translations.
11562 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
11563 (token_actions): Likewise for yydefact, actrow, conflrow,
11564 conflict_list.
11565 (save_column): Likewise for froms[symno], tos[symno].
11566 (goto_actions): Likewise for state_count.
11567 (pack_table): Likewise for base, pos, check.
11568 (tables_generate): Likewise for width.
11569
11570 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
11571 for initial core. Just have a separate core, so we needn't worry
11572 about whether kernel_size and kernel_base are initialized.
11573
11574 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
11575 kernel_size, kernel_items): Remove unnecessary initialization.
11576 * src/conflicts.c (conflicts): Likewise.
11577 * src/derives.c (derives): Likewise.
11578 * src/muscle_tablc (muscle_insert): Likewise.
11579 * src/relation.c (relation_digraph): Likewise.
11580 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
11581 conflrow, conflict_table, conflict_list, table, check):
11582 Likewise.
11583
11584 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
11585 This is because all callers pass unsigned int.
11586 * src/closure.h (new_closure): Likewise.
11587
11588 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
11589 (build_relations): Initialize includes[i] in all cases.
11590 * src/reader.c (packgram): Always initialize rules[ruleno].prec
11591 and rules[ruleno].precsym. Initialize members in order.
11592 * src/relation.c (relation_transpose): Always initialize new_R[i]
11593 and end_R[i].
11594 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
11595
11596 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
11597 conflict_list[0] was always 0, but now it isn't initialized.
11598
11599 * src/table.c (table_grow): When conflict_table grew, the grown
11600 area wasn't cleared. Fix this.
11601
11602 * lib/.cvsignore: Add strdup.c, strdup.h.
11603 * m4/.cvsignore: Add strdup.m4.
11604
11605 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
11606
11607 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
11608 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
11609 GOTO_NUMBER_MAXIMUM, since we occasionally compute
11610 ngotos + 1 without checking for overflow.
11611 (build_relations): Use END_NODE, not -1, to denote end of edges.
11612 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
11613 build_relations): Use goto_number, not int, for goto numbers.
11614 * src/tables.c (save_column, default_goto): Likewise.
11615
11616 2004-11-23 Akim Demaille <akim@epita.fr>
11617
11618 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
11619 of #defining from yystype.
11620 Don't typedef yystype, C++ does not need it.
11621 This lets it possible to forward declare it as union.
11622
11623 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
11624
11625 * bootstrap (gnulib_modules): Add extensions.
11626 Problem reported by Jim Meyering.
11627
11628 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
11629
11630 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
11631 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
11632 src/system.h, src/tables.c: XFREE -> free, to accommodate
11633 recent change to gnulib xalloc.h.
11634 Problem reported by Jim Meyering.
11635
11636 2004-11-17 Akim Demaille <akim@epita.fr>
11637
11638 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
11639
11640 2004-11-17 Akim Demaille <akim@epita.fr>,
11641 Alexandre Duret-Lutz <adl@gnu.org>
11642
11643 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
11644 changes.
11645 (YYCDEBUG): Adjust.
11646 Use it instead of cdebug_.
11647 (Parser::debug_stream, Parser::set_debug_stream): New.
11648 (Parser::symprint_): Define cdebug_ for temporary backward
11649 compatibility.
11650 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
11651 debug_stream ().
11652
11653 2004-11-17 Akim Demaille <akim@epita.fr>
11654
11655 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
11656 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
11657 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
11658 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
11659
11660 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
11661
11662 * data/glr.c (yyloc_default): Remove; not used.
11663 Problem reported by Frank Heckenbach.
11664
11665 2004-10-25 Akim Demaille <akim@epita.fr>
11666
11667 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
11668 Introduce another definition to address simple location arrays.
11669 (yyGLRStack): New member: yyerror_range.
11670 (yyrecoverSyntaxError, yyparse): Update it.
11671 (yyrecoverSyntaxError): Use it when shifting the error token to
11672 have an accurate range, equivalent to the one computed by both
11673 yacc.c and lalr1.cc.
11674 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
11675 that column numbers start at column 0, as per GNU Coding
11676 Standards, the others tests, and the doc.
11677 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
11678 Adjust to the above change (first column is 0).
11679 And adjust the location of the "<error>", now covering the whole
11680 line.
11681
11682 2004-10-22 Akim Demaille <akim@epita.fr>
11683 and Paul Eggert <eggert@cs.ucla.edu>
11684
11685 Remove some arbitrary limits on goto numbers and relations.
11686 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
11687 initial values, since they're never used.
11688 (set_goto_map): ngotos is now unsigned, so test for overflow
11689 by seeing whether it wraps around to zero.
11690 * src/lalr.h (goto_number): Now size_t, not short int.
11691 (GOTO_NUMBER_MAXIMUM): Remove.
11692 * src/relation.c (relation_print, traverse, relation_transpose):
11693 Check for END_NODE rather than looking at sign.
11694 * src/relation.h (END_NODE): New macro.
11695 (relation_node): Now size_t, not short int.
11696
11697 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
11698
11699 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
11700 keyword, not an identifier. Problem reported by Baron Schwartz in
11701 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
11702
11703 2004-10-11 Akim Demaille <akim@epita.fr>
11704
11705 * src/symtab.c (symbol_check_alias_consistency): Also check
11706 type names, destructors, and printers.
11707 Reported by Alexandre Duret-Lutz.
11708 Recode the handling of associativity and precedence in terms
11709 of symbol_precedence_set.
11710 Accept no redeclaration at all, not even equal to the previous
11711 value.
11712 (redeclaration): New.
11713 Use it to factor redeclaration complaints.
11714 (symbol_make_alias): Don't set the type of the alias, let
11715 symbol_check_alias_consistency do it as for other features.
11716 * src/symtab.h (symbol): Add new member prec_location, and
11717 type_location.
11718 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
11719 * tests/input.at (Incompatible Aliases): New.
11720
11721 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
11722
11723 .cvsignore fixes to accommodate gnulib changes,
11724 and the practice of naming build directories "_build".
11725 * .cvsignore: Add "_*". Sort.
11726 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
11727 * m4/.cvsignore: Add "*_gl.m4".
11728
11729 2004-10-06 Akim Demaille <akim@epita.fr>
11730
11731 * src/parse-gram.y (add_param): Fix the truncation of trailing
11732 spaces.
11733
11734 2004-10-05 Akim Demaille <akim@epita.fr>
11735
11736 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
11737 whether the reducion was empty or not. This leaves room to
11738 improve the use of YYLLOC_DEFAULT in such a case.
11739 lalr1.cc is still experimental, so changing this is acceptable.
11740 And finally, there are probably not many users who changed the
11741 handling of locations in GLR, so changing is admissible too.
11742
11743 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
11744 empty reduction, set @$ to an empty location ending the previously
11745 stacked symbol.
11746 Adjust uses to make sure the code is triggered on empty
11747 reductions.
11748 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
11749 expected output: empty reductions have empty locations.
11750
11751 2004-09-29 Akim Demaille <akim@epita.fr>
11752
11753 * data/lalr1.cc: Move towards a more standard C++ coding style
11754 for templates: Class < T > -> Class<T>.
11755
11756 2004-09-29 Akim Demaille <akim@epita.fr>
11757
11758 * data/lalr1.cc: Reinstall the former ctor, for sake of
11759 compatibility, but warn it will be removed.
11760 Move towards a more standard C++ coding style (i.e., type *var ->
11761 type* var).
11762
11763 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
11764
11765 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
11766 since it's less likely to work if NULs are involved in the future.
11767
11768 2004-09-27 Akim Demaille <akim@epita.fr>
11769
11770 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
11771
11772 2004-09-27 Akim Demaille <akim@epita.fr>
11773
11774 * data/lalr1.cc (b4_parse_param_decl_1): New.
11775 (b4_parse_param_decl): Use it to have different names between attribute
11776 and argument names.
11777 (b4_cc_constructor_call): Likewise.
11778
11779 2004-09-24 Akim Demaille <akim@epita.fr>
11780
11781 * src/parse-gram.y (add_param): Strip the leading and trailing
11782 blanks from a formal argument declaration.
11783 (YY_LOCATION_PRINT): New.
11784
11785 2004-09-24 Akim Demaille <akim@epita.fr>
11786
11787 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
11788 after the location.
11789
11790 2004-09-24 Akim Demaille <akim@epita.fr>
11791
11792 * doc/bison.texinfo (Table of Symbols): Sort.
11793
11794 2004-09-21 Akim Demaille <akim@epita.fr>
11795
11796 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
11797 the useless parentheses.
11798 Suggested by Paul Eggert.
11799
11800 2004-09-20 Akim Demaille <akim@epita.fr>
11801
11802 Let the initial-action act on the look-ahead, and use it for the
11803 "initial push" (corresponding to an hypothetical beginning-of-file).
11804 And let lalr1.cc honor %initial-action.
11805
11806 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
11807 example.
11808 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
11809 (Parser::Parser): Remove the ctor that used to initialize it.
11810 (Parser::parse): Like in the other skeletons, issue the "starting
11811 parse" message before any action.
11812 Honor %initial-action.
11813 Initialize the stacks with the lookahead.
11814 * data/yacc.c: Let $$ and @$ in %initial-action designate the
11815 look-ahead.
11816 Push them in the stacks.
11817 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
11818
11819 2004-09-20 Akim Demaille <akim@epita.fr>
11820
11821 * doc/bison.texinfo (Initial Action Decl): New.
11822
11823 2004-09-20 Akim Demaille <akim@epita.fr>
11824
11825 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
11826 clearer criterion to define it.
11827 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
11828 When reducing on an empty RHS, use the latest stacked location as
11829 location.
11830 yylloc is not always available.
11831 * data/glr.c: Likewise.
11832 Also, honor initial-actions.
11833
11834 2004-09-20 Akim Demaille <akim@epita.fr>
11835
11836 * data/yacc.c (YY_LOCATION_PRINT): New.
11837 Define when we know YYLTYPE's structure, i.e., when the default
11838 YYLLOC_DEFAULT is used.
11839 * data/c.m4 (b4_yysymprint_generate): Use it.
11840 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
11841 value of the result.
11842 (error_start_): Replace with...
11843 (error_range_): this location array.
11844 This allows to replace code relying on the implementation of
11845 locations by portable code.
11846 * data/yacc.c (yylerrsp): Replace with...
11847 (yyerror_range): this.
11848 Every time a token is popped, update yyerror_range[0], to have an
11849 accurate location for the error token.
11850 * data/glr.c (YY_LOCATION_PRINT): New.
11851 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
11852 deference a pointer.
11853 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
11854 report the location in %printers.
11855
11856 * src/scan-skel.l: Instead of abort, report error messages to ease
11857 understanding skeleton scanning failures.
11858
11859 2004-09-16 Akim Demaille <akim@epita.fr>
11860
11861 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
11862 (iterator, const_iterator): these, to be more in the C++ spirit.
11863 Also, return reverse iterators so that when displaying the stack
11864 we display its bottom first.
11865 (Parser::stack_print_, Parser::reduce_print_): Match the messages
11866 from yacc.c.
11867 We should probably use vector here though.
11868
11869 2004-09-16 Akim Demaille <akim@epita.fr>
11870
11871 Have more complete shift traces.
11872
11873 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
11874 to report Shifts instead of ad hoc YYDPRINTF invocations,
11875 including for the error token.
11876 * data/lalr1.cc (symprint_): Output the location.
11877 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
11878 output the location within the %printer.
11879 Activate GLR tests, at least to make sure they compile properly.
11880 They still don't pass though.
11881 * tests/calc.at: Adjust expect verbose output, since now "Entering
11882 state..." is on a different line than the "Shifting" message.
11883
11884 2004-09-08 Akim Demaille <akim@epita.fr>
11885
11886 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
11887 Bison directive from the Bison file to the invocation of this
11888 macro, so that these directives are passed to
11889 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
11890 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
11891 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
11892 the extra Bison directives instead of the whole series.
11893 Change the grammar so that there are recoverable errors, and
11894 unrecoverable errors. Now we can have the parser give up before
11895 consuming the whole input. As a result we now can observe that
11896 the lookahead is freed when needed.
11897 Change the parser source to parse argv[1] instead of a hard coded
11898 string.
11899 Simplify yylex, and give a value and location to EOF.
11900 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
11901 passed directives already coded in the file.
11902 Add some tests to check the location of "error".
11903 For some tests, the C++ parser is correct, and not yacc.c.
11904 For other tests, they provide different, but unsatisfying, values,
11905 so keep the C++ value so that at least one parser is "correct"
11906 according to the test suite.
11907 (Actions after errors): Remove, this is subsumed by the
11908 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
11909
11910 2004-09-06 Akim Demaille <akim@epita.fr>
11911
11912 * data/lalr1.cc: Adjust the indentation of the labels.
11913 (Parser::pop): New.
11914 Use it.
11915
11916 2004-09-06 Akim Demaille <akim@epita.fr>
11917
11918 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
11919 argument, an informative message.
11920 Call YY_SYMBOL_PRINT.
11921 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
11922 * data/lalr1.cc (destruct_): Likewise.
11923 In addition, no longer depend on b4_yysymprint_generate and
11924 b4_yydestruct_generate to generate these functions, do it "by
11925 hand".
11926
11927 2004-09-03 Akim Demaille <akim@epita.fr>
11928
11929 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
11930 invoked, yydestruct the lookahead.
11931 * tests/calc.at (Calculator $1): Update the expected lengths of
11932 traces: there is an added line for the discarded lookahead.
11933 * doc/bison.texinfo (Destructor Decl): Some rewording.
11934 Define "discarded" symbols.
11935
11936 2004-09-02 Akim Demaille <akim@epita.fr>
11937
11938 * data/lalr1.cc (translate_, destruct_): No reason to be static.
11939
11940 2004-09-02 Akim Demaille <akim@epita.fr>
11941
11942 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
11943 (YYDSYMPRINTF): Rename as...
11944 (YY_SYMBOL_PRINT): this.
11945 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
11946 two.
11947 Use it instead of direct symprint_ calls.
11948 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
11949 one.
11950
11951 2004-09-02 Akim Demaille <akim@epita.fr>
11952
11953 * data/lalr1.cc (b4_yysymprint_generate): New.
11954 (symprint_): New member function, defined when YYDEBUG.
11955 Use it consistently instead of token/nterm debugging output by
11956 hand.
11957 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
11958 %printer calls to use cdebug_ when using lalr1.cc.
11959
11960 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
11961
11962 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
11963 with #ifdef YYDEBUG.
11964
11965 2004-08-26 Akim Demaille <akim@epita.fr>
11966
11967 * doc/bison.texinfo (Implementing Loops): Rename as...
11968 (Implementing Gotos/Loops): this.
11969
11970 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
11971
11972 Adjust to latest gnulib.
11973 * bootstrap (gnulib_modules): Add xalloc-die.
11974 Set LC_ALL=C so that file names sort consistently.
11975 Prefer the gnulib copies of gettext.m4, glibc21.m4,
11976 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
11977 uintmax_t.m4, ulonglong.m4.
11978 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
11979 po.m4 since we are now using _gl.m4 instead.
11980
11981 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
11982
11983 * src/scan-action.l: Remove. Scanning of semantic actions is
11984 handled in scan-gram.l.
11985
11986 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
11987
11988 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
11989
11990 * src/location.h (struct): The file member is a uniqstr.
11991 (equal_boundaries): Use UNIQSTR_EQ for comparison.
11992
11993 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
11994
11995 Fix bug with non-%union parsers that have printers or destructors,
11996 which led to a Bison core dump. Reported by Peter Fales in
11997 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
11998
11999 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
12000 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
12001 not to our own type.
12002 * src/output.c (symbol_destructors_output, symbol_printers_output):
12003 Don't assume %union.
12004 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
12005 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
12006 UNION-FLAG. All callers changed.
12007 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
12008 Use type char, not unsigned int, when declaring an array of char;
12009 this lets us remove a cast.
12010 (Printers and Destructors): Add non-%union test cases.
12011
12012 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
12013
12014 * doc/bison.texinfo: Minor editorial changes, mostly to the new
12015 GLR writeups. E.g., avoid frenchspacing and the future tense,
12016 change "lookahead" to "look-ahead", and change "wrt" to "with
12017 respect to".
12018
12019 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12020
12021 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
12022 New sections, split off from the GLR Parsers section. Put the new
12023 Simple GLR Parser near the start of the GLR section, for clarity.
12024 Rewrite connective text.
12025
12026 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
12027
12028 * doc/bison.texinfo (Simple GLR Parsers): New section.
12029
12030 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
12031
12032 * NEWS, TODO, doc/bison.texinfo:
12033 Use "look-ahead" instead of "lookahead", to be consistent.
12034 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
12035 while we're fixing "look-ahead".
12036 * src/conflicts.c (shift_set): Renamed from shiftset.
12037 (look_ahead_set): Renamed from lookaheadset.
12038 * src/print.c: Likewise.
12039 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
12040 name for "lookahead".
12041 (report_types, usage): Likewise.
12042 * src/getargs.h (report_look_ahead_tokens): Renamed from
12043 report_lookaheads.
12044 * src/lalr.c (compute_look_ahead_tokens): Renamed from
12045 compute_lookaheads.
12046 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
12047 (look_ahead_tokens_print): Renamed from lookaheads_print.
12048 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
12049 state_rule_lookaheads_print.
12050 * src/state.h: Likewise.
12051 (reductions.look_ahead_tokens): Renamed from lookaheads.
12052 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
12053 AT_DATA_LOOKAHEADS_GRAMMAR.
12054
12055 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
12056
12057 * README: Update location of patched M4 distribution.
12058
12059 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
12060
12061 Don't assume the C++ compiler takes the same arguments as the C compiler
12062 (trivial change).
12063 * configure.ac (O0CXXFLAGS): New var.
12064 * tests/atlocal.in (CXXFLAGS): Use it.
12065
12066 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
12067
12068 Fix some "make check" problems with C++ reported by
12069 Albert Chin-A-Young for Tru64 C++ in this thread:
12070 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
12071
12072 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
12073 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12074 Output to a .cc file for C++, not to a .c file.
12075 * tests/calc.at (AT_CHECK_CALC): Likewise.
12076 * tests/regression.at (AT_CHECK_DANCER): Likewise.
12077 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
12078
12079 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
12080
12081 * tests/calc.at, tests/actions.at: Workaround for SGI
12082 C++ compiler. (trivial change)
12083
12084 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
12085
12086 Spent a few hours checking out which prerequisite versions the
12087 current sources actually require. I went all the way back to
12088 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
12089 a seemingly endless set of combinations of versions more recent
12090 than that. The bottom line is that the current sources require
12091 fairly recent versions of the build tools, and it'll be some work
12092 to change this.
12093 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
12094 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
12095 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
12096 Add comments explaining why those particular versions are
12097 currently needed.
12098
12099 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
12100 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
12101 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
12102
12103 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
12104 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
12105
12106 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
12107
12108 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
12109 0.11.5. Suggested by Bruno Haible.
12110 * bootstrap: Remove gettext version checking.
12111
12112 * doc/bison.texinfo (Decl Summary): Also mention that %union
12113 can depend on prerequisite types. Problem reported by Tim
12114 Van Holder.
12115
12116 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
12117
12118 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
12119 * README-alpha: Don't tell people not to package this.
12120
12121 * bootstrap: Don't assume $(...) works; use `...` instead.
12122 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
12123 gettext better.
12124
12125 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
12126 put into the -d output file, and mention what to do if YYSTYPE is
12127 defined as a macro.
12128
12129 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
12130
12131 Undo change made earlier today: it caused autopoint to not bring
12132 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
12133 autopoint's.
12134
12135 * bootstrap: Check that gettext version matches what's in
12136 configure.ac. Warn users to ignore robots.txt ERROR 404.
12137 * bootstrap: Undo today's earlier change (logged below).
12138 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
12139
12140 The gettext version checking is causing more trouble than it's
12141 curing; remove it. Problem reported by Paul Hilfinger.
12142
12143 * bootstrap: Issue a warning that one can expect a message
12144 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
12145 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
12146
12147 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
12148
12149 Ensure that the C++ compiler used for testing actually works on a
12150 simple test program; if not, skip the C++-related tests. Problem
12151 reported by Vin Shelton in:
12152 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
12153
12154 * m4/cxx.m4: New file.
12155 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
12156 * tests/atlocal.in (BISON_CXX_WORKS): Add.
12157 * tests/local.at (AT_COMPILE_CXX): Use it.
12158
12159 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
12160
12161 * data/glr.c (yylloc): Output this macro even if locations are not
12162 being generated, as the GLR parser needs it even in that case.
12163 Problem reported by Troy A. Johnson
12164 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
12165
12166 * configure.ac (AC_INIT): Update to 1.875e.
12167
12168 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
12169
12170 * NEWS: Version 1.875d.
12171 * configure.ac (AC_INIT): Likewise.
12172 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
12173
12174 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
12175 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
12176 lalr1.cc runs afoul of the first, and the last two are no longer
12177 supported by GCC 3.4.0.
12178 * README: Mention GNU m4 1.4 or later; mention m4 patches.
12179 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
12180
12181 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
12182
12183 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
12184 unsigned int, for compatibility with latest gnulib hash module.
12185 * src/state.c (state_hash, state_hasher): Likewise.
12186 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
12187 * src/uniqstr.c (hash_uniqstr): Likewise.
12188
12189 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
12190
12191 * NEWS: Unescaped newlines are no longer allowed in char & strings.
12192
12193 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
12194 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
12195 character and string literals.
12196 (unexpected_end): New function.
12197 (unexpected_eof): Use it.
12198 (unexpected_newline): New function.
12199 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
12200 actions.
12201
12202 * NEWS: Document %expect-rr.
12203
12204 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
12205 Fix typo by replacing $1 with $option.
12206 Remove more 'intl'-related files.
12207 Don't DEFUN AM_INTL_SUBDIR twice.
12208
12209 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
12210 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
12211 strtoul.c.
12212 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
12213 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
12214 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
12215 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
12216 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
12217 * src/.cvsignore: Add *.output.
12218
12219 * src/parse-gram.y: Put copyright notice inside %{ %} so it
12220 gets copied to the output file.
12221
12222 2004-04-28 Paul Eggert <eggert@twinsun.com>
12223
12224 Get files from the gnulib and po repositories, instead of relying
12225 on them being in our CVS. Upgrade to latest versions of gnulib
12226 and Automake.
12227
12228 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
12229 * bootstrap: Bootstrap from gnulib and po repositories.
12230 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
12231 * README-cvs: Document these changes. Remove version numbers from
12232 mentions of build tools, since they change so often. Mention Flex.
12233
12234 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
12235 (gl_USE_SYSTEM_EXTENSIONS): Add.
12236 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
12237 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
12238 does this for us.
12239 (AC_ISC_POSIX): Remove; we no longer support this
12240 ancient OS, as it gets in the way of latest Autoconf & gnulib.
12241 (AC_HEADER_STDC): Remove: we now assume C89 or better.
12242 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
12243 Do not check for C89 headers, except for locale.h which is used
12244 by the Yacc library and must port to K&R hosts.
12245 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
12246 Do not check for C89 functions, except for setlocale which is
12247 used by the Yacc library.
12248 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
12249 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
12250 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
12251 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
12252 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
12253 AM_GNU_GETTEXT): Remove; now done by:
12254 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
12255 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
12256 for us.
12257
12258 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
12259 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
12260 Define to empty, as gnulib.mk will do the rest for us.
12261 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
12262 for us.
12263 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
12264 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
12265
12266 * src/files.c: Include gnulib's xstrndup.h.
12267
12268 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
12269 (REALLOC): Use xnrealloc, for likewise.
12270 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
12271 (strnlen, memrchr): Remove decls; functions no longer used.
12272 Include <stpcpy.h>.
12273
12274 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
12275 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
12276 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
12277 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
12278 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
12279 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
12280 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
12281 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
12282 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
12283 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
12284 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
12285 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
12286 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
12287 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
12288 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
12289 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
12290 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
12291 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
12292 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
12293 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
12294 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
12295 Remove, as these files are now generated automatically
12296 by bootstrap or automake.
12297
12298 * po/ChangeLog: Remove: all but one entry was a duplicate
12299 of this file, and I moved that 2000-11-02 entry here.
12300
12301 * config/.cvsignore: Add Makefile, depcomp, install-sh.
12302 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
12303 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
12304 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
12305 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
12306 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
12307 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
12308 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
12309 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
12310 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
12311 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
12312 xstrndup.h.
12313 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
12314 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
12315 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
12316 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
12317 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
12318 * src/.cvsignore: Remove *_.c.
12319
12320
12321 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
12322 support it. (The latest stable gzip doesn't.)
12323
12324 2004-04-27 Paul Eggert <eggert@twinsun.com>
12325
12326 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
12327 case, as stos_ is now used by destructors due to the 2004-02-09
12328 change.
12329
12330 Remove more K&R C support.
12331 * lib/libiberty.y (PARAMS): Remove. All uses removed.
12332 * lib/subpipe.c (errno): Remove decl.
12333 Include <stdlib.h> unconditionally.
12334 (EXIT_FAILURE): Remove macro.
12335 * src/complain.c (vfprintf, strerror): Remove.
12336 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
12337 unconditionally.
12338 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
12339 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
12340 (strchr, strspn, memchr): Remove decls.
12341 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
12342 unconditionally. Do not declare perror.
12343 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
12344 unconditionally.
12345
12346 * src/complain.c (_): Remove useless defn, as system.h defines this.
12347
12348 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
12349 with latest obstack.h.
12350 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
12351 to procedure types, as obstack.h now does that for us.
12352 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
12353
12354 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
12355 so that this include file can stand alone.
12356 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
12357 does this now. Include subpipe.h first after config.h, to
12358 test whether it can stand alone.
12359
12360 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
12361 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
12362 unused declaration.
12363
12364 * tests/synclines.at (%union synch line): Put a dummy member in
12365 the union, because empty unions aren't allowed in C. Caught
12366 by GCC 3.4.0.
12367
12368 2004-04-13 Jim Meyering <jim@meyering.net>
12369
12370 * src/conflicts.c (conflicts_print): Correct format string typo:
12371 use `%%' to produce literal `%'. (trivial change)
12372
12373 2004-03-30 Paul Eggert <eggert@twinsun.com>
12374
12375 * src/getargs.c (version): Update copyright year to 2004.
12376
12377 * data/c.m4 (b4_int_type): Use 'short int' rather than
12378 'short', and similarly for 'long', 'unsigned', etc.
12379 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
12380 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
12381 yy_yypstack, yydumpstack): Likewise.
12382 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
12383 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
12384 Likewise.
12385 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
12386 yy_stack_print, yyparse): Likewise.
12387 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
12388 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
12389 * lib/bitset.c (bitset_print): Likewise.
12390 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
12391 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
12392 * lib/bitsetv.c (bitsetv_dump): Likewise.
12393 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
12394 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
12395 Likewise.
12396 * src/LR0.c (allocate_itemsets): Likewise.
12397 * src/gram.h (rule_number, rule): Likewise.
12398 * src/lalr.h (goto_number): Likewise.
12399 * src/nullable.c (nullable_compute): Likewise.
12400 * src/output.c (prepare_rules): Likewise.
12401 * src/relation.c (relation_print, relation_digraph): Likewise.
12402 * src/relation.h (relation_node): Likewise.
12403 * src/state.h (state_number, transitions, errs, reductions,
12404 struct state): Likewise.
12405 * src/symtab.h (symbol_number, struct symbol): Likewise.
12406 * src/tables.c (vector_number, tally, action_number,
12407 default_goto, goto_actions): Likewise.
12408 * tests/existing.at (GNU Cim Grammar): Likewise.
12409 * tests/regression.at (Web2c Actions): Likewise.
12410
12411 * src/output.c (muscle_insert_short_int_table): Renamed from
12412 muscle_insert_short_table. All uses changed.
12413
12414 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
12415
12416 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
12417 (declaration): Replace expected_conflicts with expected_sr_conflicts.
12418 Add %expect-rr rule.
12419
12420 * src/scan-gram.l: Recognize %expect-rr.
12421
12422 * src/conflicts.h (expected_sr_conflicts): Rename from
12423 expected_conflicts.
12424 (expected_rr_conflicts): Declare.
12425
12426 * src/conflicts.c (expected_sr_conflicts): Rename from
12427 expected_conflicts.
12428 (expected_rr_conflicts): Define.
12429 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
12430 for GLR parsers.
12431 Use expected_sr_conflicts in place of expected_conflicts.
12432 Warn if expected_rr_conflicts used in non-GLR parser.
12433
12434 * doc/bison.texinfo: Add documentation for %expect-rr.
12435
12436 2004-03-08 Paul Eggert <eggert@gnu.org>
12437
12438 Add support for hex token numbers. Suggested by Odd Arild Olsen in
12439 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
12440
12441 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
12442 in lalr1.cc.
12443 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
12444 * src/scan-gram.l (scan_integer): New function.
12445 ({int}): Use it.
12446 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
12447 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
12448 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
12449 Say "long int", not "long", for uniformity with GNU style.
12450
12451 2004-02-25 Paul Eggert <eggert@twinsun.com>
12452
12453 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
12454 compilers. This fixes a problem with Intel's C++ compiler being
12455 chatty, reported by Guido Trentalancia in
12456 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
12457
12458 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
12459
12460 Support %destructor and merge error locations in lalr1.cc.
12461
12462 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
12463 (Parser::stos_): Define unconditionally.
12464 (Parser::destruct_): New method. Generate its body with
12465 b4_yydestruct_generate.
12466 (Parser::error_start_): New attribute.
12467 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
12468 token which are discarded.
12469 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
12470 error_start_ when erroneous token are discarded.
12471 (Parser::parse) <yyerrlab1>: Compute the location of the error
12472 token so that it covers all the discarded tokens.
12473 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
12474 it can be called with `%skeleton "lalr1.cc"', and do that.
12475
12476 2004-02-02 Paul Eggert <eggert@twinsun.com>
12477
12478 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
12479 $(top_srcdir)/lib and ../lib. This fixes a bug reported
12480 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
12481 There's no need to mention top_builddir since Automake does that
12482 for us.
12483 (INCLUDES): Remove, as Automake says it's obsolescent.
12484 Contents migrated into AM_CPPFLAGS as described above.
12485 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
12486
12487 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12488
12489 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
12490 (yyreportSyntaxError): Handle case where lookahead token is
12491 YYEMPTY.
12492
12493 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12494
12495 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
12496 resulting parsers are compilable with C++.
12497
12498 2003-12-23 Paul Eggert <eggert@twinsun.com>
12499
12500 * config/depcomp, config/install-sh: Sync with Automake 1.8.
12501 * src/output.c (output_skeleton): Rename local var.
12502 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
12503 Bison tokens, as this runs afoul of the 2003-10-07 change that
12504 disallowed NUL bytes in character constants or string literals.
12505
12506 * tests/local.at: Require Autoconf 2.59's Autotest.
12507 * tests/testsuite.at: Don't include local.at, since we now assume
12508 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
12509 including it.
12510 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
12511 multiple inclusion warnings.
12512
12513 2003-12-02 Akim Demaille <akim@epita.fr>
12514
12515 * doc/bison.texinfo (How Can I Reset the Parser): More about start
12516 conditions.
12517 From Bruno Haible.
12518
12519 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
12520
12521 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
12522
12523 2003-10-07 Paul Eggert <eggert@twinsun.com>
12524
12525 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
12526 if testsuite doesn't exist.
12527
12528 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
12529 literals, unfortunately.
12530 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
12531 Complain about NUL bytes in character constants or string literals.
12532
12533 2003-10-05 Paul Eggert <eggert@twinsun.com>
12534
12535 * NEWS: Don't document %no-default-prec, as it's still
12536 too experimental.
12537 * doc/bison.texinfo: Document %no-default-prec only if
12538 the defaultprec flag is set. Normally it's not.
12539
12540 2003-10-04 Paul Eggert <eggert@twinsun.com>
12541
12542 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
12543 non-modifiable lvalue, instead of a modifiable one.
12544 * doc/bison.texinfo (Actions): Document that $$ can
12545 be assigned to. Do not claim that $$ and $N are
12546 array element references: user code should not rely on this.
12547
12548 2003-10-01 Paul Eggert <eggert@twinsun.com>
12549
12550 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
12551 (grammar_declaration): Use it.
12552 * src/scan-gram.l: New token %no-default-prec.
12553 * tests/conflicts.at: Revamp tests to use %no-default-prec.
12554 * NEWS, doc/bison.texinfo: Document the above.
12555
12556 2003-10-01 Akim Demaille <akim@epita.fr>
12557
12558 VCG no longer supports long_straight_phase.
12559
12560 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
12561 * src/print_graph.c (print_graph): Adjust.
12562
12563 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
12564 and Paul Eggert <eggert@twinsun.com>
12565
12566 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
12567 Table of Symbols): Document %default-prec.
12568 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
12569 (grammar_declaration): Set default_prec on %default-prec.
12570 * src/scan-gram.l (%default-prec): New token.
12571 * src/reader.h (default_prec): New flag.
12572 * src/reader.c: Likewise.
12573 (packgram): Handle it.
12574 * tests/conflicts.at (%default-prec without %prec,
12575 %default-prec with %prec, %default-prec 1): New tests.
12576
12577 2003-09-30 Paul Eggert <eggert@twinsun.com>
12578
12579 * tests/testsuite.at: Include local.at, not input.at, fixing
12580 a typo in the 2003-08-25 patch.
12581
12582 2003-08-27 Akim Demaille <akim@epita.fr>
12583
12584 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
12585 GCC warnings.
12586
12587 2003-08-26 Akim Demaille <akim@epita.fr>
12588
12589 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
12590 "<\#" to avoid magic from Gnus when posting parts of this script.
12591
12592 2003-08-26 Akim Demaille <akim@epita.fr>
12593
12594 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
12595 (Parser::parse): here.
12596 Adjust: nerrs and errstatus is now replaced by...
12597 (Parser::nerrs_, Parser::errstatus_): New.
12598
12599 2003-08-25 Akim Demaille <akim@epita.fr>
12600
12601 * config/announce-gen, Makefile.cfg: New.
12602 * Makefile.am: Adjust.
12603 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
12604 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
12605
12606 2003-08-25 Akim Demaille <akim@epita.fr>
12607
12608 When reducing initial empty rules, Bison parser read an initial
12609 location that is not defined. This results in garbage, and that
12610 affects Bison's own parser. Therefore we need (i) to extend Bison
12611 to support a means to initialize this location, and (ii) to use
12612 this CVS Bison to fix CVS Bison's parser.
12613
12614 * src/reader.h, reader.c (epilogue_augment): Remove, replace
12615 with...
12616 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
12617 * src/parse-gram.y: Adjust.
12618 (%initial-action): New.
12619 (%error-verbose): Since we require CVS Bison, there is no reason
12620 not to use it.
12621 * src/scan-gram.l: Adjust.
12622 * src/Makefile.am (YACC): New, to make sure we use our own parser.
12623 * data/yacc.c (yyparse): Use b4_initial_action.
12624
12625 2003-08-25 Akim Demaille <akim@epita.fr>
12626
12627 * doc/bison.texinfo: Don't promote stdout for error messages.
12628
12629 2003-08-25 Akim Demaille <akim@epita.fr>
12630
12631 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
12632 From Alexandre Duret-Lutz.
12633
12634 2003-08-25 Akim Demaille <akim@epita.fr>
12635
12636 Version 1.875c.
12637
12638 2003-08-25 Akim Demaille <akim@epita.fr>
12639
12640 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
12641 Use them.
12642
12643 2003-08-25 Akim Demaille <akim@epita.fr>
12644
12645 * data/lalr1.cc (Parser::reduce_print_): New.
12646 Use it.
12647
12648 2003-08-25 Akim Demaille <akim@epita.fr>
12649
12650 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
12651 error recovery loops. This patch is based on
12652 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
12653 Also, augment the similarity between lalr1.cc and yacc.c.
12654 Note: the locations of error recovery rules are not correct yet.
12655
12656 * data/lalr1.cc: Comment changes to augment the similarity between
12657 lalr1.cc and yacc.c.
12658 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
12659 (yyerrlab1): Remove, but where it used to be (now the bottom part of
12660 yyerrlab), when hitting EOF, pop the whole stack here instead of
12661 merely falling through the default error handling mechanism.
12662 (yyerrorlab): New label, with the old contents of YYERROR,
12663 plus the following change: pop the stack of rhs corresponding
12664 to the production that invoked YYERROR. That is how Yacc
12665 behaves (required by POSIX).
12666 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
12667 fail.
12668
12669 2003-08-25 Akim Demaille <akim@epita.fr>
12670
12671 Tune local.at so that people can "autom4te -l autotest calc.at -o
12672 calc" for instance, to extract a sub test suite.
12673
12674 * tests/testsuite.at: Move the initialization, Autotest version
12675 requirement, and AT_TESTED invocation into...
12676 * tests/local.at: here.
12677 * tests/testsuite.at: Include it for compatibility with Autoconf
12678 2.57.
12679 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
12680 be ignore.
12681
12682 2003-08-04 Paul Eggert <eggert@twinsun.com>
12683
12684 Rework code slightly to avoid gcc -Wtraditional warnings.
12685 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
12686 The returned value is now stored in *YY0. All callers changed.
12687 * src/output.c (merge_output): Adjust to the above change.
12688
12689 2003-07-26 Paul Eggert <eggert@twinsun.com>
12690
12691 * data/glr.c (YYASSERT): New macro.
12692 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
12693 yyresolveStates, yyprocessOneStack):
12694 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
12695 Derived from a suggestion by Frank Heckenbach.
12696
12697 2003-07-25 Paul Eggert <eggert@twinsun.com>
12698
12699 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
12700 for portability to K&R C (after ansi2knr, presumably). See
12701 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
12702 by Frank Heckenbach, though I have omitted the structure-initialization
12703 part of his glr-knr.diff patch since I recall that the Portable
12704 C Compiler didn't require that change.
12705
12706 Let the user specify how to allocate and free memory.
12707 Derived from a suggestion by Frank Heckenbach in
12708 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
12709 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
12710 All uses of free, malloc, realloc changed to use these macros,
12711 and unnecessary casts removed.
12712 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
12713
12714 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
12715
12716 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
12717 use s.empty() rather than s == "" to test for empty string; see
12718 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
12719 (trivial change)
12720
12721 2003-06-25 Akim Demaille <akim@epita.fr>
12722
12723 * config/depcomp, config/install-sh: Update from masters.
12724
12725 2003-06-20 Paul Eggert <eggert@twinsun.com>
12726
12727 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
12728 and return properly parenthesized result.
12729 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
12730 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
12731 Remove unnecessary parentheses from uses.
12732 * doc/bison.texinfo (Location Default Action): Describe the
12733 conventions for parentheses.
12734
12735 2003-06-19 Paul Eggert <eggert@twinsun.com>
12736
12737 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
12738 yyreportTree): Do not assume that size_t is the same width as int,
12739 when printing sizes. Print sizes using an unsigned format.
12740 Problem reported by Frank Heckenbach in
12741 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
12742
12743 Port to Forte Developer 7 C compiler.
12744 * data/glr.c (struct YYLTYPE): If locations are not being used,
12745 declare a single dummy member, as empty structs do not conform
12746 to the C standard.
12747 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
12748 the Forte Developer 7 C compiler complains that end-of-loop
12749 code is not reached.
12750
12751 2003-06-17 Paul Eggert <eggert@twinsun.com>
12752
12753 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
12754 avoid warnings from picky compilers about redefinition of PARAMS.
12755
12756 2003-06-17 Paul Eggert <eggert@twinsun.com>
12757
12758 Version 1.875b.
12759
12760 * NEWS: Document 1.875b.
12761
12762 * lib/bbitset.h: Do not include config.h; that's the includer's job.
12763 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
12764 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
12765 Don't use 'index' in comments, as it's a builtin fn on some hosts.
12766 * lib/bitset_stats.c: Include gettext.h unconditionally, as
12767 per recent gettext manual's suggestion.
12768 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
12769 Use prototypes, not old-style definitions.
12770 * lib/lbitset.c (lbitset_unused_clear): Likewise.
12771 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
12772 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
12773 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
12774 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
12775 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
12776 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
12777 vbitset_or_and_cmp, vbitset_copy): Likewise.
12778
12779 * lib/libiberty.h: Do not include config.h; that's the includer's job.
12780 Do not include <stdlib.h>.
12781 (PARAMS): Define unconditionally for C89.
12782 (ATTRIBUTE_NORETURN): Remove.
12783 (ATTRIBUTE_UNUSED): Define unconditionally.
12784
12785 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
12786 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
12787 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
12788 * lib/vbitset.c, lib/vbitset.h: New files.
12789 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
12790 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
12791 from libbitset.
12792
12793 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
12794 `How Can I Reset @code{yyparse}', since texinfo does not allow
12795 arbitrary @ in node names.
12796
12797 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
12798 shouldn't be needed according to the gettext 0.12.1 documentation
12799 but which seem to be needed anyway: codeset.m4 glibc21.m4
12800 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
12801 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
12802 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
12803
12804 * lib/.cvsignore: Add stdbool.h.
12805 * m4/.cvsignore: Add nls.m4, po.m4.
12806
12807 Upgrade to CVS gnulib.
12808 * stdbool_.h: File renamed from stdbool.h.in.
12809 * configure.ac (AM_STDBOOL_H): Invoke this instead of
12810 AC_HEADER_STDBOOL.
12811 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
12812 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
12813 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
12814 (MOSTLYCLEANFILES): New var.
12815 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
12816 (stdbool.h): New rule.
12817 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
12818 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
12819 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
12820 m4/quote.m4: Upgrade to today's gnulib.
12821
12822 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
12823 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
12824 the tests right now.
12825 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
12826 yyerror are declared before use; C99 requires this.
12827
12828 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12829
12830 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
12831 first.
12832 (yyrecoverSyntaxError): Correct the logic for setting and testing
12833 yyerrState.
12834 Correct comment on handling EOF.
12835 Allow states with only a default reduction, rather than failing
12836 (I can't quite reconstruct why these were not allowed before).
12837
12838 Fixes to avoid problem that $-N rules in GLR parsers can cause
12839 buffer overruns, corrupting state.
12840
12841 * src/output.c (prepare_rules): Output max_left_semantic_context
12842 definition.
12843 * src/reader.h (max_left_semantic_context): New variable declaration.
12844 * src/scan-gram.l (max_left_semantic_context): Define.
12845 (handle_action_dollar): Update max_left_semantic_context.
12846 * data/glr.c (YYMAXLEFT): New definition.
12847 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
12848 (yyresolveAction): Ditto.
12849
12850 Fixes to problems with location handling in GLR parsers reported by
12851 Frank Heckenbach (2003/06/05).
12852
12853 * data/glr.c (YYLTYPE): Make trivial if locations not used.
12854 (YYRHSLOC): Add parentheses, and define only if locations used.
12855 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
12856 locations not used.
12857 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
12858 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
12859
12860 * tests/cxx-type.at: Exercise location information; update tests
12861 to differentiate output with and without locations.
12862 Remove forward declarations of yylex and yyerror---caused errors
12863 because default YYLTYPE not yet defined.
12864 Change semantic actions to compute strings, rather than printing
12865 them directly (to test proper passing of semantics values). Change
12866 output to prefix notation and update test data and expected results.
12867 (yylex): Track locations.
12868 (stmtMerge): Return value rather than printing, and include arguments
12869 in value.
12870
12871 2003-06-03 Paul Eggert <eggert@twinsun.com>
12872
12873 Avoid warnings generated by GCC 2.95.4 when Bison is
12874 configured with --enable-gcc-warnings.
12875 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
12876 yy::]b4_parser_class_name[::translate_,
12877 yy::Stack::operator[] (unsigned),
12878 yy::Stack::operator[] (unsigned) const,
12879 yy::Slice::operator[] (unsigned),
12880 yy::Slice::operator[] (unsigned) const):
12881 Rename local vars to avoid warnings.
12882 * tests/glr-regression.at (Improper handling of embedded actions
12883 and $-N in GLR parsers): Remove unused local variable from yylex.
12884 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
12885 (void) as arg when not pure, since we now assume C89 when building
12886 Bison. Pacify GCC by using parameter.
12887
12888 2003-06-02 Paul Eggert <eggert@twinsun.com>
12889
12890 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
12891 yy::Location::lines, yy::Location::columns): Rename arguments
12892 to avoid shadowing; this removes a warning generated by GCC 3.3.
12893
12894 2003-06-01 Paul Eggert <eggert@twinsun.com>
12895
12896 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
12897 to g++, as GCC 3.3 complains if you do it.
12898 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
12899 everything that WARNING_CFLAGS has, except omit warnings
12900 not suitable for C++.
12901 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
12902 * tests/atlocal.in (CXXFLAGS): New var.
12903 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
12904
12905 Fix a GLR parser bug I reported in February; see
12906 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
12907 The problem was that GLR parsers did not conform to the C standard,
12908 because actions like { $1 = $2 + $3; } expanded to expressions
12909 that invoked YYFILL in separate subexpressions, and YYFILL assigned
12910 to a local variable. The C standard says that expressions
12911 like (var = f ()) + (var = f ()) have undefined behavior.
12912 Another problem was that GCC sometimes issues warnings that
12913 yyfill and its parameters are unused.
12914
12915 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
12916 as possibly unused.
12917 (yyfill): New function.
12918 (YYFILL): Use it.
12919 (yyuserAction): Change type of yynormal to bool, so that it matches
12920 the new yyfill signature. Mark it as possibly unused.
12921
12922
12923 Follow up on a bug I reported in February, where a Bison-generated
12924 parser can loop. Provide a test case and a fix for yacc.c. I
12925 don't have a fix for lalr1.cc or for glr.c, unfortunately.
12926 The original bug report is in:
12927 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
12928
12929 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
12930 macro's size was becoming unwieldy.
12931 (yyerrlab): Do not discard an empty lookahead symbol, as this
12932 might destroy garbage.
12933 (yyerrorlab): New label, with the old contents of YYERROR,
12934 plus the following change: pop the stack of rhs corresponding
12935 to the production that invoked YYERROR. That is how Yacc
12936 behaves, and POSIX requires this behavior.
12937 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
12938 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
12939 Define 'alarm' to do nothing if unistd.h is not available.
12940 Add a new rule "exp: '-' error;" to test the above change to
12941 data/yacc.c. Use 'alarm' to abort any test taking longer than
12942 10 seconds, as it's probably looping.
12943 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
12944 Also, the new yacc.c generates two fewer diagnostics for an
12945 existing test.
12946
12947 2003-05-24 Paul Eggert <eggert@twinsun.com>
12948
12949 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
12950 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
12951 This fixes a problem reported by John Bowman when the Compaq/HP
12952 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
12953 -ansi -Wall -gall).
12954 * data/yacc.c (union yyalloc): Likewise.
12955 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
12956
12957 Switch from 'int' to 'bool' where that makes sense.
12958
12959 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
12960 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
12961 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
12962 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
12963 Return or accept bool, not int. All callers changed.
12964 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
12965 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
12966 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
12967 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
12968 bitset_or_and_cmp_): Likewise.
12969 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
12970 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
12971 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
12972 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
12973 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
12974 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
12975 bitset_stats_or_and_cmp): Likewise.
12976 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
12977 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
12978 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
12979 ebitset_xor_cmp): Likewise.
12980 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
12981 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
12982 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
12983 lbitset_xor_cmp): Likewise.
12984 * lib/bbitset.h: Include <stdbool.h>.
12985 (struct bitset_vtable): The following members now return bool, not
12986 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
12987 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
12988 or_and_cmp).
12989 * src/conflicts.c (count_rr_conflicts): Likewise.
12990 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
12991 All uses changed.
12992 * lib/ebitset.c (ebitset_obstack_init): Likewise.
12993 * lib/lbitset.c (lbitset_obstack_init): Likewise.
12994 * src/getargs.c (debug_flag, defines_flag, locations_flag,
12995 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
12996 graph_flag): Likewise.
12997 * src/getargs.h (debug_flag, defines_flag, locations_flag,
12998 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
12999 graph_flag): Likewise.
13000 * src/output.c (error_verbose): Likewise.
13001 * src/output.h (error_verbose): Likewise.
13002 * src/reader.c (start_flag, typed): Likewise.
13003 * src/reader.h (typed): Likewise.
13004 * src/getargs.c (LOCATIONS_OPTION): New constant.
13005 (long_options, getargs): Use it.
13006 * src/lalr.c (build_relations): Use bool, not int.
13007 * src/nullable.c (nullable_compute): Likewise.
13008 * src/print.c (print_reductions): Likewise.
13009 * src/tables.c (action_row, pack_vector): Likewise.
13010 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
13011 * src/output.c (prepare): Use it.
13012 * src/output.c (token_definitions_output,
13013 symbol_destructors_output, symbol_destructors_output): Use string,
13014 not boolean integer, to keep track of whether to output separator.
13015 * src/print_graph.c (print_core): Likewise.
13016 * src/state.c (state_rule_lookaheads_print): Likewise.
13017
13018 * config/install-sh: Sync from automake 1.7.5.
13019
13020 2003-05-14 Paul Eggert <eggert@twinsun.com>
13021
13022 * src/parse-gram.y (rules_or_grammar_declaration): Require a
13023 semicolon after a grammar declaration, in the interest of possible
13024 future changes to the Bison input language.
13025 Do not allow a stray semicolon at the start of the grammar.
13026 (rhses.1): Allow one or more semicolons after any rule, including
13027 just before "|" as required by POSIX.
13028 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
13029 grammar.
13030
13031 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
13032
13033 %parse-param support for lalr1.cc.
13034
13035 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
13036 b4_cc_constructor_calls, b4_cc_constructor_call,
13037 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
13038 definitions.
13039 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
13040 parse-param arguments.
13041 (yy::b4_parser_class_name): Declare instance variables to
13042 hold parse-param arguments.
13043 * tests/calc.at: s/value/semantic_value/ because value clashes
13044 with a member of yy::b4_parser_class_name. Adjust C++ code
13045 to handle %parse-param. Enable %parse-param test in C++.
13046
13047 2003-05-12 Paul Eggert <eggert@twinsun.com>
13048
13049 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
13050 English a bit. Fix fclose typo. Change "const char" to "char
13051 const", and use ANSI C rather than K&R for "main". Suggest
13052 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
13053 and suggest yy_switch_to_buffer.
13054
13055 2003-05-05 Paul Eggert <eggert@twinsun.com>
13056
13057 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
13058 C89. This avoids a diagnostic on compilers that define __STDC__
13059 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
13060 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
13061
13062 2003-05-03 Paul Eggert <eggert@twinsun.com>
13063
13064 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
13065 Do not overrun array bounds.
13066 This should fix a bug reported today by Olatunji Oluwabukunmi in
13067 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
13068
13069 2003-04-29 Akim Demaille <akim@epita.fr>
13070
13071 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
13072 * src/getargs.c, src/getargs.h: here, as bool, not int.
13073 (nondeterministic_parser): New.
13074 * src/parse-gram.y, src/scan-gram.l: Support
13075 %nondeterministic-parser.
13076 * src/output.c (prepare): Use nondeterministic_parser instead
13077 of glr_parser where appropriate.
13078 * src/tables.c (conflict_row, action_row, save_row)
13079 (token_actions, token_actions, pack_vector): Ditto.
13080
13081 2003-04-29 Akim Demaille <akim@epita.fr>
13082
13083 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
13084
13085 2003-04-29 Akim Demaille <akim@epita.fr>
13086
13087 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
13088 with %pure-parser and %locations to exercise the patch from Yakov
13089 Markovitch below.
13090
13091 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
13092
13093 * data/yacc.c: (b4_lex_param): Corrected for the case where
13094 %lex-param is provided and %pure-parser isn't.
13095
13096 2003-04-27 Paul Eggert <eggert@twinsun.com>
13097
13098 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
13099 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
13100 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
13101 if it is not defined.
13102 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
13103
13104 2003-04-26 Paul Eggert <eggert@twinsun.com>
13105
13106 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
13107 Declare to be of type suitable for the ninf value itself, not of
13108 type suitable for the corresponding table, since the latter might
13109 be unsigned but the ninf value might be negative. This fixes a
13110 bug reported by Alexandre Duret-Lutz in
13111 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
13112
13113 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
13114 invokes it. We shouldn't invoke it twice because it will attempt
13115 to put error.o in the archive twice. This fixes a glitch reported
13116 by Martin Mokrejs in
13117 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
13118
13119 2003-04-21 Paul Eggert <eggert@twinsun.com>
13120
13121 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
13122 to gnulib.
13123
13124 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
13125
13126 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
13127 Fix obvious typo that results in uncompilable GLR parsers
13128 when both %pure-parser and %locations are used. (trivial change)
13129
13130 2003-04-17 Paul Eggert <eggert@twinsun.com>
13131
13132 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
13133 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
13134 Do not insert the expected token via unput, as this runs afoul
13135 of a POSIX-compatibility bug in flex 2.5.31.
13136 All uses changed to BEGIN the parent state,
13137 since we no longer insert the expected token via unput.
13138 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
13139 that is no longer emitted after the above change.
13140
13141 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
13142 the first one. This change is from Paul Hilfinger, and it fixes
13143 regression reported by Werner Lemberg in
13144 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
13145
13146 (resolve_sr_conflict): Don't invoke state_errs_set
13147 unless one or more tokens have been explicitly made errors.
13148 Otherwise, the above change causes Bison to abort.
13149
13150 * tests/existing.at (GNU pic Grammar): New test case, taken from
13151 Lemberg's email.
13152
13153 2003-03-31 Akim Demaille <akim@epita.fr>
13154
13155 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
13156
13157 2003-03-31 Akim Demaille <akim@epita.fr>
13158
13159 * src/output.c (prepare_symbols): Avoid trailing spaces in the
13160 output.
13161
13162 2003-03-31 Akim Demaille <akim@epita.fr>
13163
13164 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
13165 From Paul Hilfinger.
13166
13167 2003-03-29 Akim Demaille <akim@epita.fr>
13168
13169 * m4/error.m4: Do not put under dynamic conditions some code which
13170 expansion is under static control.
13171
13172 2003-03-29 Akim Demaille <akim@epita.fr>
13173
13174 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
13175
13176 2003-03-29 Akim Demaille <akim@epita.fr>
13177
13178 * doc/bison.texinfo (Strings are Destroyed): New.
13179
13180 2003-03-13 Paul Eggert <eggert@twinsun.com>
13181
13182 * .cvsignore: Add configure.lineno.
13183 * src/.cvsignore: Add yacc.
13184 * tests/.cvsignore: Add testsuite.log.
13185 * doc/fdl.texi: Sync with latest FSF version.
13186
13187 2003-03-12 Paul Eggert <eggert@twinsun.com>
13188
13189 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
13190 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
13191 cursor, instead of leaving it undefined. This fixes a bug
13192 reported by Tim Van Holder in
13193 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
13194 * tests/input.at (Torturing the Scanner): Test the scanner on
13195 an empty input file, which was Tim Van Holder's test case.
13196
13197 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
13198 <sys/resource.h> can be included, include sys/time.h and
13199 sys/times.h first, if available. This works around the SunOS
13200 4.1.4 porting bug reported by Bruce Becker in
13201 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
13202
13203 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
13204 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
13205 AC_HEADER_SYS_WAIT.
13206
13207 Merge changes from gnulib. This was prompted because the CVS
13208 snapshot didn't build on Solaris 7 due to strnlen problems.
13209
13210 These changes need to be merged back into gnulib:
13211 * lib/hash.c: Include <stdbool.h> unconditionally.
13212 * m4/onceonly.m4 (m4_quote): New macro.
13213 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
13214 Quote AC_FOREACH variable-expansions properly.
13215 The 2003-01-03 obstack.h change also needs merging.
13216 {end of changes requiring merging}
13217
13218 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
13219 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
13220 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
13221 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
13222 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
13223 New files, imported from gnulib.
13224 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
13225 above.
13226
13227 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
13228 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
13229 gnulib sources.
13230
13231 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
13232 Add.
13233 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
13234 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
13235 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
13236 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
13237 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
13238 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
13239 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
13240 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
13241 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
13242 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
13243 (jm_PREREQ_ARGMATCH): Remove.
13244 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
13245 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
13246
13247 * src/system.h: Include <stdbool.h> unconditionally.
13248
13249 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
13250 assuming at least C89 in the bitset code for some time now.
13251
13252 2003-03-03 Akim Demaille <akim@epita.fr>
13253
13254 * ro.po: New.
13255
13256 2003-03-02 Akim Demaille <akim@epita.fr>
13257
13258 * doc/bison.texinfo (Table of Symbols): Reactivate the
13259 documentation for %lex-param, and %parse-param.
13260
13261 2003-03-02 Akim Demaille <akim@epita.fr>
13262
13263 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
13264 generate verbose error messages.
13265 Use the number of tokens as an upper bound in yytname, as it
13266 cannot be a non terminal.
13267
13268 2003-03-02 Akim Demaille <akim@epita.fr>
13269
13270 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
13271 message.
13272
13273 2003-03-02 Akim Demaille <akim@epita.fr>
13274
13275 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
13276 Use them to exercise yycheck overrun.
13277 Based on Andrew Suffield's grammar.
13278
13279 2003-03-02 Akim Demaille <akim@epita.fr>
13280
13281 Create tests/local.at for Bison generic testing macros.
13282
13283 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
13284 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
13285 This new file.
13286 * tests/calc.at (AT_CHECK_CALC): Adjust.
13287 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
13288 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
13289 * tests/local.at: here.
13290 (AT_COMPILE_CXX): Tags the tests using it as c++.
13291 Ignore the test if CXX is not functional.
13292
13293 2003-03-01 Paul Eggert <eggert@twinsun.com>
13294
13295 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
13296 not loc->end, since loc->end might contain garbage and this leads
13297 to undefined behavior on some platforms.
13298 (id_loc, token_start): Use (IF_LINTed) initial values that do not
13299 depend on *loc, so that the reader doesn't give the the false
13300 impression that *loc is initialized.
13301 (<INITIAL>"%%"): Do not bother setting code_start, since its value
13302 does not survive the return.
13303
13304 2003-03-01 Akim Demaille <akim@epita.fr>
13305
13306 * src/scan-gram.l (code_start): Always initialize it when entering
13307 into yylex, as SC_EPILOGUE is activated *before* the corresponding
13308 yylex invocation. An alternative would be making it static, but
13309 then it starts with the second %%'s beginning, instead of its end.
13310
13311 2003-02-28 Paul Eggert <eggert@twinsun.com>
13312
13313 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
13314 around a UnixWare 7.1.1 porting bug reported by John Hughes in
13315 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
13316
13317 2003-02-26 Paul Eggert <eggert@twinsun.com>
13318
13319 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
13320 Remove Sequent/Pyramid discussion (nobody uses them any more).
13321 Merge VMS and MS-DOS discussion; these ports may well be dead
13322 but let's keep mentioning them for now. Put <> around email
13323 addresses. Add copyright notice.
13324
13325 2003-02-24 Paul Eggert <eggert@twinsun.com>
13326
13327 * data/glr.c (yy_reduce_print): yylineno -> yylno,
13328 to avoid collision with flex use of yylineno.
13329 Problem reported by Bruce Lilly in
13330 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
13331 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
13332 * data/yacc.c (yy_reduce_print): Likewise.
13333
13334 * config/depcomp: Sync with Automake 1.7.3.
13335
13336 2003-02-21 Akim Demaille <akim@epita.fr>
13337
13338 * data/lalr1.cc: Use temporary variables instead of casts to
13339 change integer types.
13340 Suggested by Paul Eggert.
13341
13342 2003-02-21 Akim Demaille <akim@epita.fr>
13343
13344 * doc/bison.texinfo: Use "location" consistently to refer to @n,
13345 to avoid confusions with lalr1.cc's notion of Position.
13346 Suggested by Paul Eggert.
13347
13348 2003-02-20 Akim Demaille <akim@epita.fr>
13349
13350 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
13351 before initial_columns.
13352 (location.hh): Use consistent variable names when defining the
13353 operator<<.
13354 Use "last" so that we subtract from Positions, not from unsigned.
13355
13356 2003-02-20 Akim Demaille <akim@epita.fr>
13357
13358 * data/lalr1.cc (position.hh): New subfile, including the extended
13359 and Doxygen'ed documentation of class Position.
13360 (location.hh): Use it.
13361 Document a` la Doxygen.
13362 With the help of Benoit Perrot.
13363
13364 2003-02-20 Akim Demaille <akim@epita.fr>
13365
13366 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
13367 AT_YACC_IF.
13368 Redefine AT_YYERROR_SEES_LOC_IF using it.
13369 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
13370 not defined.
13371 Don't use the location in yy::Parser::error_ and
13372 yy::Parser::print_ when not %locations.
13373 Activate more lalr1.cc tests.
13374
13375 2003-02-19 Akim Demaille <akim@epita.fr>
13376
13377 * data/lalr1.cc: When displaying a line number, be sure to make it
13378 an int.
13379
13380 2003-02-19 Akim Demaille <akim@epita.fr>
13381
13382 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
13383 Remove, useless.
13384 (YYABORT, YYACCEPT, YYERROR): New.
13385 * tests/calc.at: Renable the lalr1.cc test.
13386
13387 2003-02-19 Akim Demaille <akim@epita.fr>
13388
13389 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
13390 error recovery, mixing with/without pops and discarding of the
13391 lookahead.
13392 Exercise YYERROR.
13393 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
13394
13395 2003-02-17 Paul Eggert <eggert@twinsun.com>
13396
13397 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
13398 * tests/testsuite.at (AT_COMPILE): Use them.
13399 This fixes the testsuite problem reported by Robert Lentz in
13400 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
13401
13402 2003-02-12 Paul Eggert <eggert@twinsun.com>
13403
13404 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
13405 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
13406 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
13407 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
13408 Check for malloc failure, for consistency with yacc.c.
13409 (yytname_size): Remove, for consistency with yacc.c.
13410
13411 The bug still remains in data/lalr1.cc, as I didn't have time
13412 to fix it there.
13413
13414 2003-02-06 Akim Demaille <akim@epita.fr>
13415
13416 * configure.ac (GXX): Rename as...
13417 (CXX): this, to keep the original Autoconf semantics.
13418 Require 2.57.
13419 * data/lalr1.cc: Fix b4_copyright invocations.
13420 If YYDEBUG is not defined, don't depend upon name_ being defined.
13421 (location.hh): Include string and iostream.
13422 (Position::filename): New member.
13423 (Position::Position ()): New.
13424 (operator<< (Position)): New.
13425 (operator- (Position, int)): New.
13426 (Location::first, Location::last): Rename as...
13427 (Location::begin, Location::end): these, to mock the conventional
13428 iterator names.
13429 (operator<< (Location)): New.
13430 * tests/atlocal.in (CXX): New.
13431 * tests/testsuite.at (AT_COMPILE_CXX): New.
13432 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
13433 locations in a more synthetic way.
13434 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
13435 lalr1.cc is used.
13436 Adjust the C locations to match those from Emacs: first column is
13437 column 0.
13438 Change all the expected results.
13439 Conform to the GCS: simplify the locations when applicable.
13440 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
13441 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
13442 these CPP macros with the m4 macros new defined by...
13443 (AT_CHECK_PUSHDEFS): this, i.e.:
13444 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
13445 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
13446 New macros.
13447 (AT_CHECK_POPDEFS): Undefine them.
13448 (AT_CHECK_CALC_LALR1_CC): New.
13449 Use it for the first lalr1.cc test.
13450
13451 2003-02-04 Akim Demaille <akim@epita.fr>
13452
13453 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
13454 Location as is defined.
13455
13456 2003-02-04 Akim Demaille <akim@epita.fr>
13457
13458 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
13459 name_ being defined.
13460
13461 2003-02-03 Paul Eggert <eggert@twinsun.com>
13462
13463 * src/gram.h (start_symbol): Remove unused decl.
13464
13465 Use more-consistent naming conventions for local vars.
13466
13467 * src/derives.c (derives_compute): Change type of local var from
13468 int to rule_number.
13469 * src/gram.c (grammar_rules_partial_print): Likewise.
13470 * src/print.c (print_core): Likewise.
13471 * src/reduce.c (reduce_grammar_tables): Likewise.
13472
13473 * src/gram.c (grammar_dump): Change name of item_number *
13474 local var from r to rp.
13475 * src/nullable.c (nullable_compute): Likewise.
13476
13477 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
13478
13479 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
13480 for symbol or symbol_number var.
13481 * src/reader.c (grammar_start_symbol_set): Likewise.
13482 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
13483 Likewise.
13484 * src/state.c (transitions_to): Likewise.
13485 * src/state.h: Likewise.
13486 * src/tables.c (symbol_number_to_vector_number): Likewise.
13487
13488 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
13489 char * var.
13490
13491 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
13492 var.
13493
13494 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
13495 var.
13496
13497 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
13498 Use str, not s, for char * var. Use ch, not c, for character var.
13499 Use size for size var.
13500
13501 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
13502 char * var.
13503 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
13504 uniqstr var.
13505 * src/uniqstr.h: Likewise.
13506
13507 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13508 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13509 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
13510 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
13511 param to have same name as that of enum, so that we don't use
13512 "s" to stand for a non-state.
13513
13514 2003-02-02 Akim Demaille <akim@epita.fr>
13515
13516 * src/scan-skel.l: Scan more than one inert character per yylex
13517 invocation.
13518
13519 2003-02-01 Paul Eggert <eggert@twinsun.com>
13520
13521 Version 1.875a.
13522
13523 * po/LINGUAS: Add ms.
13524
13525 2003-01-30 Akim Demaille <akim@epita.fr>
13526
13527 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
13528
13529 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13530
13531 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
13532 of $1.
13533
13534 Changes in response to error report by S. Eken: GLR mode does not
13535 handle negative $ indices or $ indices in embedded rules correctly.
13536 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
13537
13538 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
13539 (b4_rhs_location): Ditto.
13540 (yyfill): New function to copy from stack tree into array
13541 incrementally.
13542 (yyuserAction): Modify to allow incremental move of semantic values
13543 to rhs array when in GLR mode.
13544 Define YYFILL to use in user-defined actions to fill semantic array
13545 as needed.
13546 Remove dummy use of yystack, as there is now a guaranteed use.
13547 (yydoAction): Modify to allow incremental move of semantic values
13548 to rhs array when in GLR mode.
13549 (yyresolveAction): Ditto.
13550 (yyglrShiftDefer): Update comment.
13551 (yyresolveStates): Use X == NULL for pointers, not !X.
13552 (yyglrReduce): Ditto.
13553 (yydoAction): Ditto
13554
13555 * tests/glr-regr1.at: Rename to ...
13556 * tests/glr-regression.at: Add new regression test for the problems
13557 described above (adapted from S. Eken).
13558 Update copyright notice.
13559 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
13560 * tests/Makefile.am: Ditto.
13561
13562 2003-01-28 Paul Eggert <eggert@twinsun.com>
13563
13564 * data/lalr1.cc: Do not use @output_header_name@ unless
13565 b4_defines_flag is set. This fixes two bugs reported by
13566 Tim Van Holder in
13567 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
13568 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
13569
13570 2003-01-21 Paul Eggert <eggert@twinsun.com>
13571
13572 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
13573 we don't need to worry about yyerrlab1 being reported as an
13574 "unused label" by non-GCC C compilers. The downside is that if
13575 locations are used then a couple of statements are duplicated each
13576 time YYERROR is invoked, but the upside is that the warnings
13577 should vanish.
13578 (yyerrlab1): Move code to YERROR.
13579 (yyerrlab2): Remove. Change uses back to yyerrlab1.
13580 This reverts some of the 2002-12-27 change.
13581
13582 2003-01-17 Paul Eggert <eggert@twinsun.com>
13583
13584 * src/output.c (symbol_printers_output): Fix typo that led
13585 to core dump. Problem reported by Antonio Rus in
13586 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
13587
13588 2003-01-13 Akim Demaille <akim@epita.fr>,
13589 Quoc Peyrot <chojin@lrde.epita.fr>,
13590 Robert Anisko <anisko_r@lrde.epita.fr>
13591
13592 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
13593 when the stacks contain one element, as the loop would otherwise
13594 free the last state, and then use the top state (the one we just
13595 popped). This means that the initial elements will not be freed
13596 explicitly, as is the case in yacc.c; it is not a problem, as
13597 these elements have fake values.
13598
13599 2003-01-11 Paul Eggert <eggert@twinsun.com>
13600
13601 * NEWS: %expect-violations are now just warnings, reverting
13602 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
13603 bootstrapping problem reported by Matthias Klose; see
13604 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
13605 * src/conflicts.c (conflicts_print): Likewise.
13606 * tests/conflicts.at (%expect not enough, %expect too much,
13607 %expect with reduce conflicts): Likewise.
13608 * doc/bison.texinfo (Expect Decl): Document this. Also mention
13609 that the warning is enabled if the number of conflicts changes
13610 (not necessarily increases).
13611
13612 * src/getargs.c (version): Update copyright year.
13613
13614 2003-01-09 Akim Demaille <akim@epita.fr>
13615
13616 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
13617
13618 2003-01-08 Paul Eggert <eggert@twinsun.com>
13619
13620 * Makefile.maint (WGETFLAGS):
13621 New macro, containing "-C off" to disable proxy caches.
13622 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
13623 (rel-check): Use $(WGET) instead of wget.
13624
13625 2003-01-06 Paul Eggert <eggert@twinsun.com>
13626
13627 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
13628 the GLR paper of Scott, Johnstone and Hussain.
13629
13630 2003-01-04 Paul Eggert <eggert@twinsun.com>
13631
13632 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
13633 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
13634 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
13635 (EXTRA_LIBRARIES): New var, for liby.a.
13636 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
13637 (EXTRA_SCRIPTS): New var, for yacc.
13638
13639 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
13640 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
13641 Problem reported by Nelson H. F. Beebe.
13642
13643 2003-01-03 Paul Eggert <eggert@twinsun.com>
13644
13645 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
13646 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
13647 when compiling Bison 1.875's `bitset bset = obstack_alloc
13648 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
13649
13650 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
13651 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
13652 grow to a huge size with typical invocation.
13653
13654 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
13655 Use the pattern recommended by Autoconf 2.57, except also protect
13656 against double-definition.
13657 * src/system.h: Likewise.
13658 Portability issues reported by Nelson H. F. Beebe.
13659
13660 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
13661 All uses changed. Provide a definition in both C and C++.
13662 (yytrue, yyfalse): Define even if defined (__cplusplus).
13663
13664 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
13665 Reported by Nelson H. F. Beebe.
13666
13667 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
13668
13669 2003-01-02 Paul Eggert <eggert@twinsun.com>
13670
13671 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
13672 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
13673 Bug reported by Nelson H. F. Beebe.
13674
13675 2003-01-01 Paul Eggert <eggert@twinsun.com>
13676
13677 * Version 1.875.
13678
13679 2002-12-30 Paul Eggert <eggert@twinsun.com>
13680
13681 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
13682 Moved here from...
13683 (<INITIAL>","): Here. This causes stray "," to be treated
13684 more uniformly.
13685
13686 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
13687 last brace in braced code when not in Yacc mode, for compatibility
13688 with Bison 1.35. This resurrects the 2001-12-15 patch to
13689 src/reader.c.
13690
13691 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
13692 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
13693
13694 2002-12-28 Paul Eggert <eggert@twinsun.com>
13695
13696 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
13697 that of SYM's type. This fixes Debian bug 168069, reported by
13698 Thomas Olsson.
13699
13700 2002-12-28 Paul Eggert <eggert@twinsun.com>
13701
13702 Version 1.75f.
13703
13704 Switch back to the Yacc style of conflict reports, undoing some
13705 of the 2002-07-30 change.
13706 * doc/bison.texinfo (Understanding): Use Yacc style for
13707 conflict reports. Also, use new way of locating rules.
13708 * src/conflicts.c (conflict_report):
13709 Renamed from conflict_report_yacc, removing the old
13710 'conflict_report'. Translate the entire conflict report at once,
13711 so that we don't assume that "," has the same interpretation in
13712 all languages.
13713 (conflicts_output): Use Yacc-style conflict report for each state,
13714 instead of our more-complicated style.
13715 (conflicts_print): Use Yacc-style conflict report, except print
13716 the input file name when not emulating Yacc.
13717 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
13718 Conflicted Reduction, %expect not enough, %expect too much,
13719 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
13720 * tests/existing.at (GNU Cim Grammar): Likewise.
13721 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
13722
13723 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
13724 fatal): Don't invoke fflush; it's not needed and it might even be
13725 harmful for stdout, as stdout might not be open.
13726 * src/reduce.c (reduce_print): Likewise.
13727
13728 2002-12-27 Paul Eggert <eggert@twinsun.com>
13729
13730 Fix a bug where error locations were not being recorded correctly.
13731 This problem was originally reported by Paul Hilfinger in
13732 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
13733
13734 * data/yacc.c (yyparse): New local var yylerrsp, to record the
13735 top of the location stack's error locations.
13736 (yyerrlab): Set it. When discarding a token, push its location
13737 onto yylerrsp so that we don't lose track of the error's end.
13738 (yyerrlab1): Now is only the target of YYERROR, so that we can
13739 properly record the location of the action that failed. For GCC
13740 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
13741 GCC warning about yyerrlab1 being unused if YYERROR is unused.
13742 (yyerrlab2): New label, which yyerrlab now falls through to.
13743 Compute the error's location by applying YYLLOC_DEFAULT to
13744 the locations of all the symbols that went into the error.
13745 * doc/bison.texinfo (Location Default Action): Mention that
13746 YYLLOC_DEFAULT is also invoked for syntax errors.
13747 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
13748 Error locations include the locations of all the tokens that were
13749 discarded, not just the last token.
13750
13751 2002-12-26 Paul Eggert <eggert@twinsun.com>
13752
13753 * src/files.c: Include quote.h.
13754 (compute_output_file_names): Warn if we detect conflicting
13755 outputs to the same file. This should catch the misunderstanding
13756 exemplified by Debian Bug 165349, reported by Bruce Stephens..
13757
13758 * src/conflicts.c (conflicts_print): If the user specifies
13759 "%expect N", report an error if there are any reduce/reduce
13760 conflicts. This is what the manual says should happen.
13761 This fixes Debian bug 130890, reported by Anthony DeRobertis.
13762 * tests/conflicts.at (%expect with reduce conflicts): New test.
13763
13764 Don't use m4_include on relative file names, as it doesn't work as
13765 desired if there happens to be a file with that name under ".".
13766
13767 * m4sugar/version.m4: Remove; it was included but it wasn't used.
13768 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
13769 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
13770 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
13771 * src/output.c (output_skeleton): Use full path names when
13772 specifying a file to include; don't rely on include path, as
13773 it's unreliable when the working file contains a file with
13774 that name.
13775
13776 2002-12-25 Paul Eggert <eggert@twinsun.com>
13777
13778 Remove obsolete references to bison.simple and bison.hairy.
13779 Problem mentioned by Aubin Mahe in
13780 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
13781 * data/glr.c: Comment fix.
13782 * doc/bison.1: Remove references. Also, mention "yacc".
13783
13784 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
13785 with -g option.
13786
13787 * src/parse-gram.y (declaration): Use enum "report_states" rather
13788 than its numeric value 1.
13789
13790 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
13791 opening a new one. This fixes Debian bug 165349, reported by
13792 Bruce Stephens.
13793
13794 2002-12-24 Paul Eggert <eggert@twinsun.com>
13795
13796 Version 1.75e.
13797
13798 * Makefile.maint (cvs-update): Don't assume that the shell
13799 supports $(...), as Solaris sh doesn't.
13800
13801 * src/parse-gram.y (lloc_default): Remove test for empty
13802 nonterminals at the end, since it didn't change the result.
13803
13804 2002-12-24 Paul Eggert <eggert@twinsun.com>
13805
13806 If the user does not define YYSTYPE as a macro, Bison now declares it
13807 using typedef instead of defining it as a macro. POSIX requires this.
13808 For consistency, YYLTYPE is also declared instead of defined.
13809
13810 %union directives can now have a tag before the `{', e.g., the
13811 directive `%union foo {...}' now generates the C code
13812 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
13813 The default union tag is `YYSTYPE', for compatibility with Solaris 9
13814 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
13815 instead of `yyltype'.
13816
13817 `yystype' and `yyltype' are now obsolescent macros instead of being
13818 typedefs or tags; they are no longer documented and will be
13819 withdrawn in a future release.
13820
13821 * data/glr.c (b4_location_type): Remove.
13822 (YYSTYPE): Renamed from yystype.
13823 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
13824 (struct YYLTYPE): Renamed from struct yyltype.
13825 (YYLTYPE): Renamed from yyltype.
13826 (yyltype, yystype): New (and obsolescent) macros,
13827 for backward compatibility.
13828 * data/yacc.c: Likewise.
13829
13830 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
13831 does not specify a union tag. This is for compatibility with
13832 Solaris 9 yacc.
13833
13834 * src/parse-gram.y (add_param): 2nd arg is now char * not char
13835 const *, since it is now modified by stripping surrounding { }.
13836 (current_braced_code): Remove.
13837 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
13838 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
13839 trailing " {...}". Now of type <chars>.
13840 (grammar_declaration): Adjust to bundled tokens.
13841 (code_content): Remove; stripping is now done by add_param.
13842 (print_token_value): Print contents of bundled tokens.
13843 (token_name): New function.
13844
13845 * src/reader.h (braced_code, current_braced_code): Remove.
13846 (token_name): New decl.
13847
13848 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
13849 token_type, not braced_code code_kind. All uses changed.
13850 (SC_PRE_CODE): New state, for scanning after a keyword that
13851 has (or usually has) an immediately-following braced code.
13852 (token_type): New local var, to keep track of which token type
13853 to return when scanning braced code.
13854 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
13855 <INITIAL>"%parse-param", <INITIAL>"%printer",
13856 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
13857 instead of returning a token type immediately.
13858 (<INITIAL>"{"): Set token type.
13859 (<SC_BRACED_CODE>"}"): Use it.
13860 (handle_action_dollar, handle_action_at): Now returns bool
13861 indicating success. Fail if ! current_rule; this prevents a core dump.
13862 (handle_symbol_code_dollar, handle_symbol_code_at):
13863 Remove; merge body into caller.
13864 (handle_dollar, handle_at): Complain in invalid contexts.
13865
13866 * NEWS, doc/bison.texinfo: Document the above.
13867 * NEWS: Fix years and program names in copyright notice.
13868
13869 2002-12-17 Paul Eggert <eggert@twinsun.com>
13870
13871 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
13872 Reporting, Table of Symbols): Omit mentions of %lex-param and
13873 %parse-param from the documentation for now.
13874
13875 2002-12-15 Paul Eggert <eggert@twinsun.com>
13876
13877 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
13878 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
13879 lookahead symbol, and which sets yychar in parser actions) and it
13880 disagreed with the Bison documentation. Bug
13881 reported by Andrew Walrond.
13882
13883 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
13884 as the caller now does that.
13885 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
13886 (YYEMPTY): Parenthesize right hand side, since others use it.
13887 (yyparse): Don't assume that our generated code is the only code
13888 that sets yychar.
13889
13890 2002-12-13 Paul Eggert <eggert@twinsun.com>
13891
13892 Version 1.75d.
13893
13894 POSIX requires a "yacc" command.
13895 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
13896 (MOSTLYCLEANFILES): Add yacc.
13897 (yacc): New rule.
13898 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
13899 as an alias for bison y.
13900
13901 * po/LINGUAS: Add da.
13902
13903 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
13904 problem with latest <getopt.h>.
13905 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
13906
13907 * doc/fdl.texi: Upgrade to 1.2.
13908 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
13909 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
13910 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
13911 gnulib.
13912 * config/install-sh: Sync with autotools.
13913
13914 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
13915 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13916 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
13917 locations are requested.
13918 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
13919 locations are requested.
13920
13921 2002-12-12 Paul Eggert <eggert@twinsun.com>
13922
13923 Remove unportable casts and storage allocation tricks.
13924 While we're at it, remove almost all casts, since they
13925 usually aren't needed and are a sign of trouble.
13926
13927 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
13928
13929 * src/derives.c (derives_compute): Do not subtract NTOKENS from
13930 the pointer DSET returned by malloc; this isn't portable.
13931 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
13932 Similarly for DERIVES.
13933 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
13934 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
13935 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
13936
13937 * src/derives.c (derives_compute): Do not bother invoking
13938 int_of_rule_number, since rule numbers are integers.
13939
13940 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
13941 rather than XMALLOC (char, N).
13942
13943 * src/files.c (filename_split): Rewrite to avoid cast.
13944
13945 * src/gram.h (symbol_number_as_item_number,
13946 item_number_as_symbol_number, rule_number_as_item_number,
13947 item_number_as_rule_number):
13948 Now inline functions rather than macros, to avoid casts.
13949 * src/state.h (state_number_as_int): Likewise.
13950 * src/tables.c (state_number_to_vector_number,
13951 symbol_number_to_vector_number): Likewise.
13952
13953 * src/gram.h (int_of_rule_number): Remove; no longer used.
13954
13955 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
13956 since the resulting storage is always stored into.
13957
13958 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
13959 where it's needed.
13960
13961 * src/muscle_tab.c (muscle_m4_output):
13962 Now inline. Return bool, not int.
13963 * src/state.c (state_compare): Likewise.
13964 * src/symtab.c (symbol_check_defined,
13965 symbol_check_alias_consistency, symbol_pack, symbol_translation,
13966 hash_compare_symbol, hash_symbol):
13967 Likewise.
13968 * src/uniqstr.c (uniqstr_print): Likewise.
13969 * src/muscle_tab.c (muscle_m4_output_processor):
13970 New function, to avoid casts.
13971 * src/state.c (state_comparator, stage_hasher): Likewise.
13972 * src/symtab.c (symbol_check_defined_processor,
13973 symbol_check_alias_consistency_processor, symbol_pack_processor,
13974 symbol_translation_processor, hash_symbol_comparator,
13975 hash_symbol_hasher): Likewise.
13976 * src/uniqstr.c (uniqstr_print_processor): Likewise.
13977 * src/muscle_tab.c (muscles_m4_output):
13978 Use new functions instead of casting old functions unportably.
13979 * src/state.c (state_hash_new): Likewise.
13980 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
13981 symbols_token_translations_init):
13982 Likewise.
13983 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
13984
13985 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
13986 var instead of casting to long, to avoid casts.
13987 (prepare_states): Use MALLOC rather than alloca, so that we don't
13988 have to worry about alloca.
13989 * src/state.c (state_hash_lookup): Likewise.
13990
13991 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
13992 local var instead of casting to unsigned char, to avoid casts.
13993
13994 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
13995 STATE_ALLOC): Remove.
13996 (transitions_new, errs_new, reductions_new, state_new): Use malloc
13997 rather than calloc, and use offsetof to avoid allocating slightly
13998 too much storage.
13999 (state_new): Initialize all members.
14000
14001 * src/state.c (state_hash): Use unsigned accumulator, not signed.
14002
14003 * src/symtab.c (symbol_free): Remove; unused.
14004 (symbol_get): Remove cast in lhs of assignment.
14005 (symbols_do): Now static. Accept generic arguments, not
14006 hashing-related ones.
14007
14008 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
14009 (symbol_processor): Remove.
14010 (symbols_do): Remove decl; now static.
14011
14012 * src/system.h (alloca): Remove; decl no longer needed.
14013 (<stddef.h>): Include, for offsetof.
14014 (<inttypes.>, <stdint.h>): Include if available.
14015 (uintptr_t): New type, if system lacks it.
14016 (CALLOC, MALLOC, REALLOC): New macros.
14017 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
14018 new macros.
14019
14020 * src/tables.c (table_size): Now int, to pacify GCC.
14021 (table_grow, table_ninf_remap): Use signed table size.
14022 (save_row): Don't bother initializing locals when not needed.
14023 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
14024 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
14025
14026 * src/vcg.h: Correct misspellings.
14027
14028 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
14029
14030
14031 * src/getargs.c (getargs): Don't assume EOF == -1.
14032
14033 2002-12-09 Paul Eggert <eggert@twinsun.com>
14034
14035 Change identifier spellings to avoid collisions with names
14036 that are reserved by POSIX.
14037
14038 Don't use names ending in _t, since POSIX reserves them.
14039 For consistency, remove _e and _s endings -- they're weren't
14040 needed to remove ambiguity. All uses changed.
14041 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
14042 turn was just renamed from struniq_t.
14043 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
14044 which in turn was just renamed from struniq_processor_t.
14045 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
14046 in turn was renamed from hash_compare_struniq_t.
14047 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
14048 (state_list): Renamed from state_list_t.
14049 * src/assoc.h (assoc): Renamed from assoc_t.
14050 * src/conflicts.c (enum conflict_resolution): Renamed from
14051 enum conflict_resolution_e.
14052 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
14053 (rule_list): Renamed from rule_list_t.
14054 * src/getargs.h (enum trace): Renamed from enum trace_e.
14055 (enum report): Renamed from enum report_e.
14056 * src/gram.h (item_number): Renamed from item_number_t.
14057 (rule_number): Renamed from rule_number_t.
14058 (struct rule_s): Remove the "rule_s" part; not used.
14059 (rule): Renamed from rule_t.
14060 (rule_filter): Renamed from rule_filter_t.
14061 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
14062 (goto_list): Renamed from goto_list_t.
14063 * src/lalr.h (goto_number): Renamed from goto_number_t.
14064 * src/location.h (location): Renamed from location_t.
14065 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
14066 and moved here from:
14067 * src/muscle_tab.h (muscle_entry_t): here.
14068 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
14069 (rule_list): Renamed from rule_list_t.
14070 * src/print_graph.c (static_graph): Renamed from graph.
14071 * src/reader.h (braced_code): Renamed from braced_code_t.
14072 Remove brace_code_e tag.
14073 * src/relation.h (relation_node): Renamed from relation_node_t.
14074 (relation_nodes): Renamed from relation_nodes_t.
14075 (relation): Renamed from relation_t.
14076 * src/state.h (state_number): Renamed from state_number_t.
14077 (struct state): Renamed from struct state_s.
14078 (state): Renamed from state_t.
14079 (transitions): Renamed from transitions_t. Unused (and
14080 misspelled) transtion_s tag removed.
14081 (errs): Renamed from errs_t. Unused errs_s tag removed.
14082 (reductions): Renamed from reductions_t. Unused tag
14083 reductions_s removed.
14084 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
14085 (struct symbol_list): Renamed from struct symbol_list_s.
14086 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
14087 (struct symbol): Renamed from struct symbol_s.
14088 (symbol): Renamed from symbol_t.
14089 * src/tables.c (vector_number): Renamed from vector_number_t.
14090 (action_number): Renamed from action_t.
14091 * src/tables.h (base_number): Renamed from base_t.
14092 * src/vcg.h (enum color): Renamed from enum color_e.
14093 (enum textmode): Renamed from enum textmode_e.
14094 (enum shape): Renamed from enum shape_e.
14095 (struct colorentry): Renamed from struct colorentry_s.
14096 (struct classname): Renamed from struct classname_s.
14097 (struct infoname): Renamed from struct infoname_s.
14098 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
14099 (enum decision): Renamed from enum decision_e.
14100 (enum orientation): Renamed from enum orientation_e.
14101 (enum alignment): Renamed from enum alignment_e.
14102 (enum arrow_mode): Renamed from enum arrow_mode_e.
14103 (enum crossing_type): Renamed from enum crossing_type_e.
14104 (enum view): Renamed from enum view_e.
14105 (struct node): Renamed from struct node_s.
14106 (node): Renamed from node_t.
14107 (enum linestyle): Renamed from enum linestyle_e.
14108 (enum arrowstyle): Renamed from enum arrowstyle_e.
14109 (struct edge): Renamed from struct edge.
14110 (edge): Renamed from edge_t.
14111 (struct graph): Renamed from struct graph_s.
14112 (graph): Renamed from graph_t.
14113 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
14114 Rename value_t -> value.
14115 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
14116 value_t_as_yystype -> value_as_yystype.
14117
14118 Don't include <errno.h> in the mainstream code, since it
14119 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
14120 * lib/get-errno.c, lib/get-errno.h: New files.
14121 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
14122 get-errno.c.
14123 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
14124 * src/output.c (output_skeleton): Likewise.
14125 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
14126 instead of errno.
14127 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
14128 Likewise.
14129 (handle_action_dollar, handle_action_at): Likewise.
14130 * src/system.h: Do not include <errno.h>.
14131 (TAB_EXT): Renamed from EXT_TAB.
14132 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
14133
14134 Avoid str[a-z]*, since <string.h> reserves that name space.
14135 Change all instances of "struniq" in names to "uniqstr", and
14136 likewise for "STRUNIQ" and "UNIQSTR".
14137 * src/uniqstr.c: Renamed from src/struniq.c.
14138 * src/uniqstr.h: Renamed from src/struniq.h.
14139 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
14140 * src/files.c (strsuffix): Remove; unused.
14141 (concat2): Renamed from stringappend. Now static.
14142 * src/files.h (strsuffix, stringappend): Remove; unused.
14143 * src/parse-gram.y (<chars>): Renamed from <string>.
14144 (<uniqstr>): Renamed from <struniq>.
14145 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
14146 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
14147 (struct graph_s.expand): Renamed from struct graph_s.stretch.
14148 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
14149 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
14150 (N_EXPAND): Renamed from N_STRETCH.
14151
14152 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
14153 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
14154 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
14155 Remove; unused.
14156 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
14157 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
14158 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
14159 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
14160 (BASE_MAXIMUM): Renamed from BASE_MAX.
14161 (BASE_MINIMUM): Renamed from BASE_MIN.
14162 (ACTION_MAX): Remove; unused.
14163 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
14164 Unnecessary casts removed from above defines.
14165
14166
14167 Fix misspelling in names.
14168 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
14169 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
14170 G_NODE_ALIGNEMENT.
14171
14172
14173 * lib/timevar.c (timevar_report): Renamed from time_report,
14174 for consistency with other names.
14175 * lib/timevar.h (timevar_report): New decl.
14176 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
14177
14178
14179 Sort include-file uses.
14180
14181 Reorder all include files under src to be in the order "system.h".
14182 then the ../lib include files in angle brackets (alphabetized),
14183 then the . include files in double-quotes (alphabetized). Fix
14184 dependency breakages encountered in this process, as follows:
14185 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
14186 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
14187 * src/state.h: Include "symtab.h".
14188
14189 2002-12-08 Paul Eggert <eggert@twinsun.com>
14190
14191 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
14192 since this causes problems when __file__ contains character
14193 sequences like "@" that are treated specially by src/scan-skel.l.
14194 Instead, just use the file's basename. This fixes the bug
14195 reported by Martin Mokrejs in
14196 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
14197
14198 2002-12-06 Paul Eggert <eggert@twinsun.com>
14199
14200 Add support for rules that do not have trailing semicolons, as
14201 POSIX requires. Improve the quality of locations in Bison
14202 diagnostics.
14203
14204 * src/location.c: Include <quotearg.h>.
14205 (empty_location): Now const.
14206 (location_print): New function. Follow the recommendation of the
14207 GNU Coding Standards for locations that span file boundaries.
14208 * src/location.h: Do not include <quotearg.h>; no longer needed.
14209 (boundary): New type.
14210 (location_t): Use it. This allows locations to span file boundaries.
14211 All member uses changed: file -> start.file or end.file (as needed),
14212 first_line -> start.line, first_column -> start.column,
14213 last_line -> end.line, last_column -> end.column.
14214 (equal_boundaries): New function.
14215 (LOCATION_RESET, LOCATION_STEP): Remove.
14216 (LOCATION_PRINT): Remove. All callers changed to use location_print.
14217 (empty_location): Now const.
14218 (location_print): New decl.
14219 * src/parse-gram.y (lloc_default): New function, which handles
14220 empty locations more accurately.
14221 (YYLLOC_DEFAULT): Use it.
14222 (%token COLON): Remove.
14223 (%token ID_COLON): New token.
14224 (rules): Use it.
14225 (declarations, rules): Remove trailing semicolon.
14226 (declaration, rules_or_grammar_declaration):
14227 Allow empty (";") declaration.
14228 (symbol_def): Remove empty actions; no longer needed.
14229 (rules_or_grammar_declaration): Remove trailing semicolon.
14230 (semi_colon.opt): Remove.
14231 * src/reader.h: Include location.h.
14232 (scanner_cursor): New decl.
14233 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
14234 rolling our own.
14235 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
14236 of *loc.
14237 (STEP): Remove. No longer needed, now that adjust_location does
14238 the work. All uses removed.
14239 (scanner_cursor): New var.
14240 (adjust_location): Renamed from extend_location. It now sets
14241 *loc and adjusts the scanner cursor. All uses changed.
14242 Don't bother testing for CR.
14243 (handle_syncline): Remove location arg; now updates scanner cursor.
14244 All callers changed.
14245 (unexpected_end_of_file): Now accepts start boundary of token or
14246 comment, not location. All callers changed. Update scanner cursor,
14247 not the location.
14248 (SC_AFTER_IDENTIFIER): New state.
14249 (context_state): Renamed from c_context. All uses changed.
14250 (id_loc, code_start, token_start): New local vars.
14251 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
14252 processing of Yacc white space and equivalents here.
14253 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
14254 instead of returning ID immediately, since we need to search for
14255 a subsequent colon.
14256 (<INITIAL>"'", "\""): Save token_start.
14257 (<INITIAL>"%{", "{", "%%"): Save code_start.
14258 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
14259 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
14260 BEGIN context_state at end, not INITIAL.
14261 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
14262 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
14263 Return correct token start.
14264 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
14265 the start of a character, string or multiline comment is found.
14266 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
14267 Reduction): Adjust reported locations to match the more-precise
14268 results now expected.
14269 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
14270 * tests/reduce.at (Useless Rules, Reduced Automaton,
14271 Underivable Rules): Likewise.
14272 * tests/regression.at (Invalid inputs): No longer `expecting ";"
14273 or "|"' now that so many other tokens are allowed by the new grammar.
14274
14275 * src/complain.h (current_file): Remove duplicate decl;
14276 current_file is now owned by files.h.
14277 * src/complain.c, src/scan-gram.l: Include files.h.
14278
14279 2002-12-06 Paul Eggert <eggert@twinsun.com>
14280
14281 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
14282 promotes to int; it might be unsigned int.
14283 * data/yacc.c (yy_reduce_print): Likewise.
14284
14285 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
14286 be #defined in the prologue, not in the Bison declarations.
14287 This fixes Debian Bug 102878, reported by Shaul Karl.
14288
14289 2002-12-02 Paul Eggert <eggert@twinsun.com>
14290
14291 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
14292 * lib/strtoul.c: New file, from gnulib.
14293 This fixes a porting bug reported by Peter Klein in
14294 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
14295
14296 2002-11-30 Paul Eggert <eggert@twinsun.com>
14297
14298 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
14299 and put only a forward declaration in the prologue. This is for
14300 consistency with the other scanner helper functions.
14301
14302 Type clashes now generate warnings, not errors, since it
14303 appears that POSIX may allow some grammars with type clashes.
14304 * src/reader.c (grammar_current_rule_check): Warn about
14305 type clashes instead of complaining.
14306 * tests/input.at (Type Clashes): Expect warnings, not complaints.
14307
14308 Add Yacc library, since POSIX requires it.
14309 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
14310 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
14311 * lib/main.c, lib/yyerror.c: New files.
14312
14313 gram_error can be static; it need not be extern.
14314 * src/reader.h (gram_error): Remove decl.
14315 * src/parse-gram.y (gram_error): Now static. Add static decl.
14316 (print_token_value): Omit parameter names from forward decl,
14317 for consistency.
14318
14319 2002-11-29 Paul Eggert <eggert@twinsun.com>
14320
14321 * doc/bison.texinfo: Emphasize that yylex and yyerror must
14322 be declared before being used. E.g., one should typically
14323 declare them in the prologue. Use GNU coding style in examples.
14324 Put "const" consistently after the type it modifies. Mention
14325 that C99 supports "inline". Mention that yyerror traditionally
14326 returns "int".
14327
14328 %parse-param and %lex-param now take just one argument, the
14329 declaration; the argument name is deduced from the declaration.
14330
14331 * doc/bison.texinfo (Parser Function, Pure Calling, Error
14332 Reporting, Table of Symbols): Document this.
14333 * src/parse-gram.y (add_param): New function.
14334 (COMMA): Remove.
14335 (declaration): Implement new rule for %parse-param and %lex-param.
14336 * src/scan-gram.l: "," now elicits a warning, rather than being
14337 a token; this is more compatible with byacc.
14338 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
14339
14340 2002-11-27 Paul Eggert <eggert@twinsun.com>
14341
14342 Rename identifiers to avoid real and potential collisions.
14343
14344 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
14345 to avoid collision with lex macro described by Bruce Lilly in
14346 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
14347 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
14348 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
14349 * src/parse-gram.y (print_token_value): Renamed from yyprint.
14350 All uses changed.
14351 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
14352 The name "yycontrol" violates the name space rules, and this stuff
14353 wasn't being used anyway.
14354 (input): Remove action; this stuff wasn't being used.
14355 (gram_error): Rename local variable yylloc -> loc.
14356 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
14357 (YY_DECL): Don't use "yy" at start of local variables.
14358 All uses changed, e.g., yylloc -> loc.
14359 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
14360 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
14361 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
14362 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
14363
14364 * src/parse-gram.y (gram_error): loc is now const *.
14365 * src/reader.h (gram_error): Likewise.
14366
14367 2002-11-24 Paul Eggert <eggert@twinsun.com>
14368
14369 Version 1.75c.
14370
14371 * tests/actions.at (Actions after errors): Use an output format
14372 more similar to that of the Printers and Destructors test.
14373 Test the position of the ';' token too.
14374 (Printers and Destructors): Likewise.
14375 (Printers and Destructors: %glr-parser): Remove for now, to avoid
14376 unnecessarily alarming people when the test fails.
14377
14378 * data/yacc.c (yyerrlab1): Move this label down, so that the
14379 parser does not discard the lookahead token if the user code
14380 invokes YYERROR. This change is required for POSIX conformance.
14381
14382 * lib/error.c: Sync with gnulib.
14383
14384 2002-11-22 Paul Eggert <eggert@twinsun.com>
14385
14386 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
14387 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
14388 * lib/xmalloc.c: Likewise.
14389
14390 2002-11-20 Paul Eggert <eggert@twinsun.com>
14391
14392 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
14393
14394 2002-11-20 Paul Eggert <eggert@twinsun.com>
14395
14396 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
14397 should use `if (! x) abort ();' rather than `assert (x);', and
14398 anyway it's one less thing to worry about configuring.
14399
14400 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
14401 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
14402 and replace all instances of assert with abort.
14403 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
14404 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
14405
14406 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
14407 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
14408 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
14409 hash_find_entry, hash_rehash, hash_insert): Likewise.
14410 * src/conflicts.c (resolve_sr_conflict): Likewise.
14411 * src/lalr.c (set_goto_map, map_goto): Likewise.
14412 * src/nullable.c (nullable_compute): Likewise.
14413 * src/output.c (prepare_rules, token_definitions_output): Likewise.
14414 * src/reader.c (packgram, reader): Likewise.
14415 * src/state.c (state_new, state_free, state_transitions_set,
14416 state_reduction_find): Likewise.
14417 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
14418 symbol_pack): Likewise.
14419 * src/tables.c (conflict_row, pack_vector): Likewise.
14420 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
14421 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
14422 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
14423 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
14424
14425 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
14426 (ARGMATCH_CONSTRAINT): New macro.
14427 (ARGMATCH_ASSERT): Use it.
14428
14429 * src/system.h (verify): New macro.
14430 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
14431 rather than assert.
14432 * src/tables.c (tables_generate): Likewise.
14433
14434 * src/struniq.c (struniq_assert): Now returns void, and aborts
14435 if the assertion is false.
14436 (struniq_assert_p): Remove.
14437 * src/struniq.h: Likewise.
14438
14439 2002-11-18 Paul Eggert <eggert@twinsun.com>
14440
14441 * data/glr.c (yygetLRActions): Replace `yyindex' with
14442 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
14443 This fixes the regression with Sun ONE Studio 7 cc that I reported in
14444 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
14445
14446 2002-11-18 Akim Demaille <akim@epita.fr>
14447
14448 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
14449 space.
14450 From Tim Van Holder.
14451
14452 2002-11-17 Paul Eggert <eggert@twinsun.com>
14453
14454 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
14455 to "SyntaxError" for consistency with my 2002-11-15 change.
14456
14457 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
14458 not define to {}, since this breaks the common use of `YYDPRINTF
14459 ((...));' if a single statement is desired (e.g. before `else').
14460 Work around GCC warnings by surrounding corresponding calls with
14461 {} if needed.
14462 (yyhasResolvedValue): Remove unused function.
14463 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
14464 loop body.
14465 (yyreportSyntaxError): Renamed from yyreportParseError.
14466 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
14467 All uses changed.
14468 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
14469 extern when possible. Remove unused initializations.
14470
14471 2002-11-16 Akim Demaille <akim@epita.fr>
14472
14473 Augment the similarity between GLR and LALR traces.
14474
14475 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
14476 (YY_REDUCE_PRINT): New.
14477 (yyparse): Use them.
14478 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
14479 YYDPRINT here.
14480 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
14481 state reached after the reduction/recovery, since...
14482 (yyparse, yyprocessOneStack): Report the state we are entering in.
14483
14484 2002-11-16 Akim Demaille <akim@epita.fr>
14485
14486 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
14487 Add support for --trace=skeleton.
14488 * src/scan-skel.l: %option debug.
14489 Scan strings of non-@ or \n instead of character by character.
14490 (scan_skel): Handle trace_skeleton.
14491 (QPUTS): New.
14492 (@output_parser_name@, @output_header_name@): ``Restore'' their
14493 support (used to be M4 macros).
14494 * data/yacc.c: Quote larger chunks, a la glr.c.
14495 * data/lalr1.cc: Likewise.
14496 The header guards are no longer available, so use some other
14497 string than `YYLSP_NEEDED'.
14498
14499 2002-11-16 Akim Demaille <akim@epita.fr>
14500
14501 Make the ``Printers and Destructors'' test more verbose, taking
14502 `yacc.c''s behavior as (possibly wrong) reference.
14503
14504 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
14505 instead of fprint on stdout.
14506 Set and report the last_line of the symbols.
14507 Consistently display values and locations.
14508
14509 2002-11-16 Paul Eggert <eggert@twinsun.com>
14510
14511 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
14512
14513 2002-11-15 Paul Eggert <eggert@twinsun.com>
14514
14515 * tests/actions.at (Actions after errors): New test case.
14516
14517 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
14518 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
14519 tests/action.at, tests/calc.at, tests/conflicts.at,
14520 tests/cxx-type.at, tests/regression.at:
14521 "parse error" -> "syntax error" for POSIX compatibility.
14522 "parsing stack overflow..." -> "parser stack overflow" so
14523 that code matches Bison documentation.
14524
14525 2002-11-15 Akim Demaille <akim@epita.fr>
14526
14527 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
14528 take two BRACED_CODE, not two string_content.
14529 Free the scanner's obstack when we are done.
14530 (code_content): New.
14531 * tests/calc.at: Adjust.
14532 * doc/bison.texinfo: Adjust.
14533 Also, make sure to include the `,' for these declarations.
14534
14535 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
14536
14537 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
14538 definition; avoids potential autoreconf problems.
14539
14540 2002-11-15 Akim Demaille <akim@epita.fr>
14541
14542 Always check the value returned by yyparse.
14543
14544 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
14545 returned by yyparse.
14546 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
14547 Adjust calls.
14548 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
14549 returned by yyparse.
14550
14551 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14552
14553 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
14554 on input.at test.
14555
14556 2002-11-14 Paul Eggert <eggert@twinsun.com>
14557
14558 * src/output.c (output_skeleton): Call xfopen instead of
14559 duplicating xfopen's body.
14560
14561 Fix bugs reported by Nelson H. F. Beebe in
14562 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
14563
14564 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
14565 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
14566 Group compiler. Instead, use "$CC -E bar.c". Include the .h
14567 file twice in the grammar, as an extra check.
14568
14569 * tests/input.at (Torturing the Scanner): Surround the
14570 backslash-newline tests with "#if 0", to make it less likely that
14571 we'll run into compiler bugs. Bring back solitary \ inside
14572 comment, but add a closing comment to work around HP C bug. Don't
14573 test backslash-newline in C character constant.
14574
14575 2002-11-14 Akim Demaille <akim@epita.fr>
14576
14577 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
14578 status of the compiler.
14579 Calling `exit 1' is no longer needed.
14580 Reported by Nelson H. F. Beebe.
14581
14582 2002-11-14 Akim Demaille <akim@epita.fr>
14583
14584 * tests/atlocal.in (CPPFLAGS): We have config.h.
14585 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
14586 New.
14587 * tests/actions.at, tests/calc.at, tests/conflicts.at,
14588 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
14589 * tests/regression.at, tests/torture.at: Use them for all the
14590 grammars that are to be compiled.
14591 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
14592 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
14593 * doc/bison.texinfo (GLR Parsers): Document `inline'.
14594
14595 2002-11-14 Akim Demaille <akim@epita.fr>
14596
14597 * doc/bison.texinfo: Various formatting changes (alignments in
14598 samples, additional @group/@end group, GCS in samples.
14599 Use @deffn instead of simple @table to define the directives,
14600 macros, variables etc.
14601
14602 2002-11-13 Paul Eggert <eggert@twinsun.com>
14603
14604 Fix some bugs reported by Albert Chin-A-Young in
14605 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
14606
14607 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
14608 -o c"; the HP C compiler chatters during compilation.
14609 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
14610 * tests/headers.at (export YYLTYPE): Likewise.
14611
14612 * tests/input.at (Torturing the Scanner): Remove lines containing
14613 solitary backslashes, as they tickle a bug in the HP C compiler.
14614
14615 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
14616 comments, since they're not portable. Use GNU coding style.
14617
14618 2002-11-13 Akim Demaille <akim@epita.fr>
14619
14620 * data/yacc.c: Leave bigger chunks of quoted text.
14621 (YYDSYMPRINTF): New.
14622 Use it to report symbol activities.
14623 * data/glr.c (YYDSYMPRINTF): New.
14624 Use it.
14625
14626 2002-11-12 Paul Eggert <eggert@twinsun.com>
14627
14628 Version 1.75b.
14629
14630 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
14631 (yyglrReduce): Return yyok, not 0.
14632 This should avoid the enumerated-type warnings reported
14633 by Nelson H. F. Beebe in
14634 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
14635
14636 * lib/bbitset.h (BITSET_INLINE): Remove.
14637 * lib/bitset.h [! BITSET_INLINE]: Remove.
14638 (bitset_set, bitset_reset, bitset_test): Rename local vars
14639 to avoid shadowing warnings by GCC.
14640
14641 * data/glr.c (inline): Remove #define. It's the user's
14642 responsibility to #define it away, just like 'const'.
14643 This fixes one of the bugs reported by Nelson H. F. Beebe in
14644 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
14645
14646 * Makefile.maint (po-check): Scan .l and .y files instead of the
14647 .c and the .h files that they generate. This fixes the bug
14648 reported by Tim Van Holder in:
14649 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
14650 Look for N_ as well as for _. Try to avoid matching #define for
14651 N_ and _.
14652 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
14653 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
14654 * src/scan-gram.l: Revamp regular expressions so that " and '
14655 do not confuse xgettext.
14656
14657 * src/struniq.h (struniq_new): Do not declare the return type
14658 to be 'const'; this violates the C standard.
14659 * src/struniq.c (struniq_new): Likewise.
14660
14661 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
14662
14663 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
14664 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
14665 linker.
14666
14667 2002-11-12 Akim Demaille <akim@epita.fr>
14668
14669 * Makefile.maint: Sync with Autoconf:
14670 (local_updates): New.
14671
14672 2002-11-12 Akim Demaille <akim@epita.fr>
14673
14674 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
14675
14676 2002-11-12 Akim Demaille <akim@epita.fr>
14677
14678 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
14679 locations.
14680
14681 2002-11-12 Akim Demaille <akim@epita.fr>
14682
14683 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
14684 not yyvalue.
14685
14686 2002-11-12 Akim Demaille <akim@epita.fr>
14687
14688 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
14689 Use it to test the GLR parser.
14690
14691 2002-11-12 Akim Demaille <akim@epita.fr>
14692
14693 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
14694 defines it.
14695 * data/glr.c (yystos): New.
14696 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
14697 (YYDSYMPRINT): New.
14698 (yyval): Don't define it, it is handled via M4.
14699 (yyrecoverParseError): Free verbosely the discarded symbols.
14700 * data/yacc.c (yysymprint): Remove, rather...
14701 (b4_yysymprint_generate): invoke.
14702 * data/c.m4 (b4_yysymprint_generate): New.
14703 Accept pointers as arguments, as opposed to the version from
14704 yacc.c.
14705 (b4_yydestruct_generate): Likewise.
14706 * tests/cations.at (Printers and Destructors): Use Bison directives
14707 instead of CPP macros.
14708 Don't rely on internal details.
14709
14710 2002-11-12 Akim Demaille <akim@epita.fr>
14711
14712 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
14713 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
14714 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
14715 it against YYEMPTY and so forth), work on yytoken (i.e., set
14716 it to YYEMPTY etc.).
14717 (yydestruct): Replace with a b4_yydestruct_generate invocation.
14718 (b4_symbol_actions): Remove.
14719 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
14720 for 0, end-of-input.
14721
14722 2002-11-12 Akim Demaille <akim@epita.fr>
14723
14724 * doc/bison.texinfo (Destructor Decl): New.
14725
14726 2002-11-12 Akim Demaille <akim@epita.fr>
14727
14728 * src/tables.c (tables_generate): Use free for pointers that
14729 cannot be NULL, not XFREE.
14730 (pack_vector): Use assert, not fatal, for bound violations.
14731 * src/state.c (state_new): Likewise.
14732 * src/reader.c (reader): Likewise.
14733 * src/lalr.c (set_goto_map): Likewise.
14734 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
14735 the file name.
14736
14737 2002-11-12 Akim Demaille <akim@epita.fr>
14738
14739 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
14740 Restore.
14741 * src/scan-gram.l (last_string): Is global to the file, not to
14742 yylex.
14743 * src/parse-gram.y (input): Don't append the epilogue here,
14744 (epilogue.opt): do it here, and free the scanner's obstack.
14745 * src/reader.c (epilogue_set): Rename as...
14746 (epilogue_augment): this.
14747 * data/c.m4 (b4_epilogue): Defaults to empty.
14748
14749 2002-11-12 Akim Demaille <akim@epita.fr>
14750
14751 * src/getargs.c (long_options): Remove duplicates.
14752 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
14753 Remove.
14754 * doc/bison.rnh: Remove.
14755 * doc/bison.texinfo (VMS Invocation): Remove.
14756
14757 2002-11-12 Akim Demaille <akim@epita.fr>
14758
14759 * src/struniq.h, src/struniq.c (struniq_t): Is const.
14760 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
14761
14762 Use struniq for symbols.
14763
14764 * src/symtab.h (symbol_t): The tag member is a struniq.
14765 (symbol_type_set): Adjust.
14766 * src/symtab.c (symbol_new): Takes a struniq.
14767 (symbol_free): Don't free the tag member.
14768 (hash_compare_symbol_t, hash_symbol_t): Rename as...
14769 (hash_compare_symbol, hash_symbol): these.
14770 Use the fact that tags as struniqs.
14771 (symbol_get): Use struniq_new.
14772 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
14773 Returns a strniq.
14774 * src/reader.h (merger_list, grammar_currentmerge_set): The name
14775 and type members are struniqs.
14776 * src/reader.c (get_merge_function)
14777 (grammar_current_rule_merge_set): Adjust.
14778 (TYPE, current_type): Are struniq.
14779
14780 Use struniq for file names.
14781
14782 * src/files.h, src/files.c (infile): Split into...
14783 (grammar_file, current_file): these.
14784 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
14785 * src/reduce.c (reduce_print): Likewise.
14786 * src/getargs.c (getargs): Likewise.
14787 * src/complain.h, src/complain.c: Likewise.
14788 * src/main.c (main): Call struniqs_new early enough to use it for
14789 file names.
14790 Don't free the input file name.
14791
14792 2002-11-12 Akim Demaille <akim@epita.fr>
14793
14794 * src/symtab.c (symbol_free): Remove dead deactivated code:
14795 type_name are properly removed.
14796 Don't use XFREE to free items that cannot be NULL.
14797 * src/struniq.h, src/struniq.c: New.
14798 * src/main.c (main): Initialize/free struniqs.
14799 * src/parse-gram.y (%union): Add astruniq member.
14800 (yyprint): Adjust.
14801 * src/scan-gram.l (<{tag}>): Return a struniq.
14802 Free the obstack bit that used to store it.
14803 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
14804
14805 2002-11-11 Paul Eggert <eggert@twinsun.com>
14806
14807 Revamp to fix many (but not all) of the C- and M4-related quoting
14808 problems. Among other things, this fixes the Bison bug reported
14809 by Jan Hubicka when processing the Bash grammar; see:
14810 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
14811
14812 Use new @ escapes consistently. Represent brackets with @{ and @}
14813 rather than @<:@ and @:>@, since this works a bit better with dumb
14814 editors like vi. Represent @ with @@, since @ is now consistently
14815 an escape. Use @oline@ and @ofile@ rather than __oline__ and
14816 __ofile__, to avoid unexpected expansions. Similarly, use @output
14817 rather than #output.
14818
14819 * data/c.m4 (b4_copyright): Omit file name from comment, since
14820 the file name could contain "*/".
14821 (b4_synclines_flag): Don't quote the 2nd argument; it should already
14822 be quoted. All uses changed.
14823
14824 * data/glr.c: Use new @ escapes consistently.
14825 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
14826 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
14827 Remove, since they couldn't handle arbitrary characters in file
14828 names.
14829 * data/lalr1.cc: Likewise.
14830 * data/yacc.c: Likewise.
14831
14832 * src/files.c (output_infix): Remove; all uses removed.
14833 * src/files.h: Likewise.
14834
14835 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
14836 mishandled funny characters in file names, and anyway it isn't
14837 needed any more.
14838 * data/yacc.c: Likewise.
14839 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
14840
14841 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
14842 * data/yacc.c: Likewise.
14843
14844 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
14845 strings now.
14846 (muscle_init): Quote filename as a C string.
14847 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
14848 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
14849 * src/output.c (escaped_file_name_output): New function.
14850 (prepare_symbols): Quote tokens for M4.
14851 (prepare): Don't insert output_infix, output_prefix,
14852 output_parser_name, output_header_name; this is now down by scan-skel.
14853 Insert skeleton as a C string.
14854
14855 * src/output.c (user_actions_output, symbol_destructors_output,
14856 symbol_printers_output): Quote filenames for C and M4.
14857 * src/reader.c (prologue_augment, epilogue_set): Likewise.
14858
14859 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
14860 escapes other than \\ and \'; this simplifies the code.
14861 (<SC_STRING>): Likewise, for \\ and \".
14862 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
14863 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
14864 Use new escapes @{ and @} for [ and ].
14865
14866 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
14867 them with auto vars.
14868 Switch to new escape scheme, where @ is the escape character uniformly.
14869 Abort if a stray escape character is found. Avoid unbounded input
14870 buffer when parsing non-escaped text.
14871
14872 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
14873 __oline__, #output, $@, and @{ do not have unintended meanings.
14874
14875 2002-11-09 Paul Eggert <eggert@twinsun.com>
14876
14877 Fix the test failure due to GCC warnings described in
14878 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
14879 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
14880 evaluate to 0 if it's impossible for NINF to be in the respective
14881 table.
14882 (yygetLRActions, yyrecoverParseError): Use them.
14883
14884 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
14885 counted in the token inserted at end of file. Now takes
14886 location_t *, not location_t, so that the location can be
14887 adjusted. All uses changed.
14888
14889 * tests/regression.at (Invalid inputs): Adjust wording in
14890 diagnostic to match the new behavior.
14891
14892 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
14893 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
14894 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
14895 abort ();'. This reduces the runtime of the "Many lookaheads"
14896 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
14897 GCC 3.2.
14898
14899 2002-11-07 Paul Eggert <eggert@twinsun.com>
14900
14901 * src/parse-gram.y (CHARACTER): Remove unused token.
14902 All uses removed.
14903
14904 * src/scan-gram.l: Remove stack option. We no longer use the
14905 stack, since the stack was never deeper than 1; instead, use the
14906 new auto var c_context to record the stacked value.
14907
14908 Remove nounput option. At an unexpected end of file, we now unput
14909 the minimal input necessary to end cleanly; this simplifies the
14910 code.
14911
14912 Avoid unbounded token sizes where this is easy.
14913
14914 (unexpected_end_of_file): New function.
14915 Use it to systematize the error message on unexpected EOF.
14916 (last-string): Now auto, not static.
14917 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
14918 (scanner_last_string_free): Remove; not used.
14919 (percent_percent_count): Move decl to just before use.
14920 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
14921 not the (never otherwised-used) CHARACTER.
14922
14923 2002-11-07 Akim Demaille <akim@epita.fr>
14924
14925 Let yyerror always receive the msg as last argument, so that
14926 yyerror can be variadic.
14927
14928 * data/yacc.c (b4_yyerror_args): New.
14929 Use it when calling yyerror.
14930 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
14931 Use it when calling yyerror.
14932 * doc/bison.texinfo (Error Reporting): Adjust.
14933 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
14934 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
14935
14936 2002-11-06 Akim Demaille <akim@epita.fr>
14937
14938 #line should have quoted strings.
14939 Ideally, this should be done by m4_quotearg.
14940
14941 * src/scan-skel.l: Include quotearg.h.
14942 Quote __ofile__.
14943 * src/output.c (symbol_printers_output)
14944 (symbol_destructors_output): Quote the file name.
14945
14946 2002-11-06 Akim Demaille <akim@epita.fr>
14947
14948 * tests/regression.at (Invalid inputs): Adjust to the recent
14949 messages.
14950
14951 2002-11-06 Akim Demaille <akim@epita.fr>
14952
14953 Restore --no-lines.
14954 Reported by Jim Kent.
14955
14956 * data/c.m4 (b4_syncline): New.
14957 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
14958 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
14959 * src/output.c (user_actions_output): Likewise.
14960 (prepare): Define 'b4_synclines_flag'.
14961 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
14962
14963 2002-11-06 Akim Demaille <akim@epita.fr>
14964
14965 * src/main.c (main): Free `infile'.
14966 * src/scan-gram.l (handle_syncline): New.
14967 Recognize `#line'.
14968 * src/output.c (user_actions_output, symbol_destructors_output)
14969 (symbol_printers_output): Use the location's file name, not
14970 infile.
14971 * src/reader.c (prologue_augment, epilogue_set): Likewise.
14972
14973 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14974
14975 * src/tables.c (matching_state): Don't allow states to match if
14976 either has GLR conflict entries.
14977
14978 2002-11-05 Paul Eggert <eggert@twinsun.com>
14979
14980 * src/scan-gram.l: Use more accurate diagnostics, e.g.
14981 "integer out of range" rather than "invalid value".
14982 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
14983 accordingly.
14984
14985 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
14986 Also, remove one static variable in the scanner.
14987
14988 * src/scan-gram.l (braces_level): Now auto, not static.
14989 Initialize to zero if the compiler is being picky.
14990 (INITIAL): Clear braces_level instead of incrementing it.
14991 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
14992 as POSIX 1003.1-2001 requires.
14993 * src/system.h (IF_LINT): New macro, taken from coreutils.
14994 * configure.ac: Define "lint" if --enable-gcc-warnings.
14995
14996 2002-11-05 Akim Demaille <akim@epita.fr>
14997
14998 * src/scan-gram.l: When it starts with `%', complain about the
14999 whole directive, not just that `invalid character: %'.
15000
15001 2002-11-04 Akim Demaille <akim@epita.fr>
15002
15003 * Makefile.maint: Update from Autoconf.
15004 (update, cvs-update, po-update, do-po-update): New.
15005
15006 2002-11-04 Akim Demaille <akim@epita.fr>
15007
15008 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
15009 and yyerror.
15010 Have yyerror `use' its arguments.
15011 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
15012 returns true when location & yacc & pure & parse-param.
15013 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
15014
15015 2002-11-04 Akim Demaille <akim@epita.fr>
15016
15017 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
15018 clashes.
15019 * src/scan-gram.l: Use [\'] instead of ['] to pacify
15020 font-lock-mode.
15021 Use complain_at.
15022 Use quote, not quote_n since LOCATION_PRINT no longer uses the
15023 slot 0.
15024
15025 2002-11-03 Paul Eggert <eggert@twinsun.com>
15026
15027 * src/reader.c (get_merge_function, grammar_current_rule_check):
15028 Use consistent diagnostics for reporting type name clashes.
15029 Quote the types with <>, for consistency with Yacc.
15030 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
15031
15032 2002-11-03 Akim Demaille <akim@epita.fr>
15033
15034 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
15035 New.
15036 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
15037 (b4_parse_param): Remove.
15038 Use b4_identification.
15039 Propagate b4_pure_args where needed to pass them to yyerror.
15040 * data/glr.m4 (b4_parse_param): Remove.
15041 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
15042 (b4_lpure_formals): New.
15043 Use b4_identification.
15044 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
15045 b4_user_formals and b4_user_args.
15046 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
15047 (yyreportAmbiguity): When using a pure parser, also need
15048 the location, and the parse-params.
15049 Adjust callers.
15050 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
15051 When using a pure parser, also need the parse-params.
15052 Adjust callers.
15053 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
15054 (%pure-parser + %parse-param) LALR and GLR parsers.
15055 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
15056 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
15057 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
15058 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
15059 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
15060 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
15061 * doc/bison.texinfo: Untabify the whole file.
15062 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
15063 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
15064 (Error Reporting): Adjust to these new directives.
15065 Document %error-verbose, deprecate YYERROR_VERBOSE.
15066
15067 2002-11-03 Akim Demaille <akim@epita.fr>
15068
15069 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
15070 AT_CHECK_CALC_GLR invocations to use % directives, instead of
15071 command line options.
15072 * tests/cxx-type.at: Formatting changes.
15073
15074 2002-11-03 Paul Eggert <eggert@twinsun.com>
15075
15076 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
15077 to count columns correctly, and to check for invalid inputs.
15078
15079 Use mbsnwidth to count columns correctly. Account for tabs, too.
15080 Include mbswidth.h.
15081 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
15082 (extend_location): New function.
15083 (YY_LINES): Remove.
15084
15085 Handle CRLF in C code rather than in Lex code.
15086 (YY_INPUT): New macro.
15087 (no_cr_read): New function.
15088
15089 Scan UCNs, even though we don't fully handle them yet.
15090 (convert_ucn_to_byte): New function.
15091
15092 Handle backslash-newline correctly in C code.
15093 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
15094 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
15095 all uses changed.
15096 (tag, splice): New EREs. Do not allow NUL or newline in tags.
15097 Use {splice} wherever C allows backslash-newline.
15098 YY_STEP after space, newline, vertical-tab.
15099 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
15100
15101 (letter, id): Don't assume ASCII; e.g., spell out a-z.
15102
15103 ({int}, handle_action_dollar, handle_action_at): Check for integer
15104 overflow.
15105
15106 (YY_STEP): Omit trailing semicolon, so that it's more like C.
15107
15108 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
15109 as well as \000. Check for UCHAR_MAX, not 255.
15110 Allow \x with an arbitrary positive number of digits, as in C.
15111 Check for overflow here.
15112 Allow \? and UCNs, for compatibility with C.
15113
15114 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
15115 with quote slot used by complain_at.
15116
15117 * tests/input.at: Add tests for backslash-newline, m4 quotes
15118 in symbols, long literals, and funny escapes in strings.
15119
15120 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
15121 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
15122 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
15123 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
15124 * m4/mbswidth.m4: New file, from GNU coreutils.
15125
15126 * doc/bison.texinfo (Grammar Outline): Document // comments.
15127 (Symbols): Document that trigraphs have no special meaning in Bison,
15128 nor is backslash-newline allowed.
15129 (Actions): Document that trigraphs have no special meaning.
15130
15131 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
15132 no longer used.
15133
15134 2002-11-02 Paul Eggert <eggert@twinsun.com>
15135
15136 * src/reader.c: Don't include quote.h; not needed.
15137 (get_merge_function): Reword warning to be consistent with
15138 type clash diagnostic in grammar_current_rule_check.
15139
15140 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
15141 bug in trigraph handling.
15142
15143 * src/output.c (prepare_symbols): When printing token names,
15144 escape "[" as "@<:@" and likewise for "]".
15145
15146 * src/system.h (errno): Remove declaration, as we are now
15147 assuming C89 or better, and C89 guarantees errno.
15148
15149 2002-10-30 Paul Eggert <eggert@twinsun.com>
15150
15151 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
15152 Check for close failures.
15153 * src/files.h (xfclose): Return void, not int, since it always
15154 returned zero.
15155 * src/files.c (xfclose): Likewise. Report I/O error if ferror
15156 indicates one.
15157 * src/output.c (output_skeleton): Use xfclose rather than fclose
15158 and ferror. xfclose now checks ferror.
15159
15160 * data/glr.c (YYLEFTMOST_STATE): Remove.
15161 (yyreportTree): Use a stack-based leftmost state. This avoids
15162 our continuing battles with bogus warnings about initializers.
15163
15164 2002-10-30 Akim Demaille <akim@epita.fr>
15165
15166 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
15167 #if.
15168
15169 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15170
15171 * tests/glr-regr1.at: New test for reported regressions.
15172 * tests/testsuite.at: Add glr-regr1.at test.
15173 * tests/Makefile.am: Add glr-regr1.at test.
15174
15175 2002-10-24 Paul Eggert <eggert@twinsun.com>
15176
15177 Version 1.75a.
15178
15179 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
15180 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
15181 we use malloc. Don't assume 'A' through 'Z' are contiguous.
15182 Don't assume strdup exists; POSIX says its an XSI extension.
15183 Check for buffer overflow on input.
15184
15185 2002-10-24 Akim Demaille <akim@epita.fr>
15186
15187 * src/output.c (output_skeleton): Don't disable M4sugar comments
15188 too soon: it results in comments being expanded.
15189 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
15190 first output.
15191
15192 2002-10-24 Akim Demaille <akim@epita.fr>
15193
15194 * data/yacc.c (m4_int_type): New.
15195 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
15196 char' as only yacc.c wants K&R portability.
15197 * data/glr.c (yysigned_char): Remove.
15198 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
15199 Reported by Quoc Peyrot.
15200
15201 2002-10-23 Paul Eggert <eggert@twinsun.com>
15202
15203 * src/main.c (main): With --trace=time, report times even if a
15204 non-fatal error occurs. Formerly, the times were reported in some
15205 such cases but not in others.
15206 * src/reader.c (reader): Just return if a complaint has been issued,
15207 instead of exiting, so that 'main' can report times.
15208
15209 2002-10-22 Akim Demaille <akim@epita.fr>
15210
15211 * src/system.h: Include sys/types.
15212 Reported by Bert Deknuydt.
15213
15214 2002-10-23 Paul Eggert <eggert@twinsun.com>
15215
15216 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
15217 Suggested by Art Haas.
15218
15219 2002-10-22 Paul Eggert <eggert@twinsun.com>
15220
15221 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
15222 decl; not needed any more.
15223 * src/main.c (main): Use return to exit, undoing yesterday's change.
15224 The last OS that we could find where this wouldn't work is
15225 SunOS 3.5, and that's too old to worry about now.
15226
15227 * data/glr.c (struct yyltype): Define members even when not
15228 doing locations. This is more consistent with yacc.c, and it
15229 works around the following bug reports:
15230 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
15231 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
15232
15233 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
15234 @acronym consistently. Standardize on "Yacc" instead of "YACC",
15235 "Algol" instead of "ALGOL". Give a bit more history about BNF.
15236
15237 2002-10-22 Akim Demaille <akim@epita.fr>
15238
15239 * data/README: New.
15240
15241 2002-10-21 Paul Eggert <eggert@twinsun.com>
15242
15243 Be consistent about 'bool'; the old code used an enum in one
15244 module and an int in another, and this violates the C standard.
15245 * m4/stdbool.m4: New file, from coreutils 4.5.3.
15246 * configure.ac (AC_HEADER_STDBOOL): Add.
15247 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
15248 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
15249 * src/symtab.c (hash_compare_symbol_t): Likewise.
15250 * src/system.h (bool, false, true): Use a definition consistent
15251 with ../lib/hash.c. All uses changed.
15252
15253 * src/complain.c (warning_issued): Renamed from warn_message_count,
15254 so that we needn't worry about integer overflow (!).
15255 Now of type bool. All uses changed.
15256 (complaint_issued): Renamed from complain_message_count; likewise.
15257
15258 * src/main.c (main): Use exit to exit with failure.
15259
15260 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
15261 rather than 1 and 0.
15262 * src/main.c (main): Likewise.
15263 * src/getargs.c (getargs): Likewise.
15264 * src/reader.c (reader): Likewise.
15265
15266 * src/getarg.c (getargs): Remove duplicate code for
15267 "Try `bison --help'".
15268
15269 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
15270 What was that "2" for?
15271
15272 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
15273 * src/getargs.c (usage): Likewise.
15274
15275 * src/getargs.c (getargs): When there are too few operands, report
15276 the last one. When there are too many, report the first extra
15277 one. This is how diffutils does it.
15278
15279 2002-10-20 Paul Eggert <eggert@twinsun.com>
15280
15281 Remove K&R vestiges.
15282 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
15283 * src/complain.c (VA_START): Remove. Assume prototypes.
15284 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
15285 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
15286 fatal): Assume prototypes.
15287 * src/complain.h: Assume prototypes.
15288 * src/system.h (PARAMS): Remove.
15289 Include <limits.h> unconditionally, since it's guaranteeed even
15290 for a freestanding C89 compiler.
15291 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
15292 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
15293
15294 2002-10-20 Akim Demaille <akim@epita.fr>
15295
15296 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
15297 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
15298 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
15299 (yyresolveStates, yyresolveAction, yyresolveStack)
15300 (yyprocessOneStack): Use them.
15301 (yy_reduce_print): New.
15302 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
15303
15304 2002-10-20 Akim Demaille <akim@epita.fr>
15305
15306 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
15307 arguments and output `void'.
15308 (b4_c_function): Rename as...
15309 (b4_c_function_def): this.
15310 (b4_c_function_decl, b4_c_ansi_function_def)
15311 (b4_c_ansi_function_decl): New.
15312 Change the interpretation of the arguments: before `int, foo', now
15313 `int foo, foo'.
15314 * data/yacc.c (yyparse): Prototype and define thanks to these.
15315 Adjust b4_c_function_def uses.
15316 * data/glr.c (yyparse): Likewise, but ANSI only.
15317
15318 2002-10-20 Akim Demaille <akim@epita.fr>
15319
15320 * src/output.c (prepare): Move the definition of `tokens_number',
15321 `nterms_number', `undef_token_number', `user_token_number_max'
15322 to...
15323 (prepare_tokens): Here.
15324 (prepare_tokens): Rename as...
15325 (prepare_symbols): this.
15326 (prepare): Move the definition of `rules_number' to...
15327 (prepare_rules): here.
15328 (prepare): Move the definition of `last', `final_state_number',
15329 `states_number' to...
15330 (prepare_states): here.
15331 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
15332
15333 2002-10-20 Akim Demaille <akim@epita.fr>
15334
15335 * src/tables.h, src/tables.c, src/output.c: Comment changes.
15336
15337 2002-10-20 Akim Demaille <akim@epita.fr>
15338
15339 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
15340 * data/c.m4: here.
15341
15342 2002-10-20 Akim Demaille <akim@epita.fr>
15343
15344 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
15345 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
15346 `pair'.
15347 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
15348 `name' to...
15349 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
15350 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
15351 These.
15352
15353 2002-10-19 Paul Eggert <eggert@twinsun.com>
15354
15355 Do not create a temporary file, as that involves security and
15356 cleanup headaches. Instead, use a pair of pipes.
15357 Derived from a suggestion by Florian Krohm.
15358 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
15359 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
15360 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
15361 (BISON_PREREQ_SUBPIPE): Add.
15362 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
15363 Add subpipe.h, subpipe.c.
15364 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
15365 * po/POTFILES.in: Add lib/subpipe.c.
15366 * src/output.c: Include "subpipe.h".
15367 (m4_invoke): Remove decl.
15368 (scan_skel): New decl.
15369 (output_skeleton): Use pipe rather than temporary file for m4 input.
15370 Check that m4sugar.m4 is readable, to avoid deadlock.
15371 Check for pipe I/O error.
15372 * src/scan-skel.l (readpipe): Remove decl.
15373 (scan_skel): New function, to be used in place of m4_invoke.
15374 Read from stream rather than file.
15375
15376 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
15377 float, as this generates a warning on Solaris 8 + GCC 3.2 with
15378 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
15379 this generates a more-accurate value anyway.
15380
15381 * lib/timevar.c (timervar_accumulate): Rename locals to
15382 avoid confusion with similarly-named more-global.
15383 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
15384
15385 * src/output.c (prepare): Use xstrdup to convert char const *
15386 to char *, to avoid GCC warning.
15387
15388 2002-10-19 Akim Demaille <akim@epita.fr>
15389
15390 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
15391 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
15392 Use them to have `calc.y' ready for %pure-parser.
15393 * data/yacc.c (YYLEX): Pass a yylex return type to
15394 b4_c_function_call.
15395
15396 2002-10-19 Akim Demaille <akim@epita.fr>
15397
15398 Prototype support of %lex-param and %parse-param.
15399
15400 * src/parse-gram.y: Add the definition of the %lex-param and
15401 %parse-param tokens, plus their rules.
15402 Drop the `_' version of %glr-parser.
15403 Add the "," token.
15404 * src/scan-gram.l (INITIAL): Scan them.
15405 * src/muscle_tab.c: Comment changes.
15406 (muscle_insert, muscle_find): Rename `pair' as `probe'.
15407 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
15408 (muscle_entry_s): The `value' member is no longer const.
15409 Adjust all dependencies.
15410 * src/muscle_tab.c (muscle_init): Adjust: use
15411 MUSCLE_INSERT_STRING.
15412 Initialize the obstack earlier.
15413 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
15414 (muscle_pair_list_grow): New.
15415 * data/c.m4 (b4_c_function_call, b4_c_args): New.
15416 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
15417 * tests/calc.at: Use %locations, not --locations.
15418 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
15419
15420 2002-10-19 Akim Demaille <akim@epita.fr>
15421
15422 * src/getargs.c (usage): Take status as argument and exit
15423 accordingly.
15424 Report the traditional `Try ... --help' message when status != 0.
15425 (usage, version): Don't take a FILE * as arg, it is pointless.
15426 (getargs): When there is an incorrect number of arguments, make it
15427 an error, and report it GNUlically thanks to `usage ()'.
15428
15429 2002-10-18 Paul Eggert <eggert@twinsun.com>
15430
15431 * data/glr.c (yyreportParseError): Don't assume that sprintf
15432 yields the length of the printed string, as this is not true
15433 on SunOS 4.1.4. Reported by Peter Klein.
15434
15435 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
15436 * tests/conflicts.at (%nonassoc and eof): Likewise.
15437 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
15438
15439 2002-10-17 Akim Demaille <akim@epita.fr>
15440
15441 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
15442 * src/getargs.c (trace_types, trace_args): Adjust.
15443 * src/reader.c (grammar_current_rule_prec_set)
15444 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
15445 Standardize error messages.
15446 And s/@prec/%prec/!
15447 (reader): Use trace_flag to enable scanner/parser debugging,
15448 instead of an adhoc scheme.
15449 * src/scan-gram.l: Remove trailing debugging code.
15450
15451 2002-10-16 Paul Eggert <eggert@twinsun.com>
15452
15453 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
15454 MUSCLE_TAB_H.
15455
15456 * NEWS: Officially drop support for building Bison with K&R C,
15457 since it didn't work anyway and it's not worth worrying about.
15458 * Makefile.maint (wget_files): Remove ansi2knr.c.
15459 (ansi2knr.c-url_prefix): Remove.
15460 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
15461 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
15462 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
15463
15464 2002-10-15 Paul Eggert <eggert@twinsun.com>
15465
15466 Stop using the "enum_" trick for K&R-style function definitions;
15467 it confused me, and I was the author! Instead, assume that people
15468 who want to use K&R C compilers (when using these modules in GCC,
15469 perhaps?) will run ansi2knr.
15470
15471 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
15472 All uses of "enum_" changed to "enum ".
15473 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
15474 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
15475
15476 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
15477 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
15478 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
15479 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
15480 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
15481 abitset_not, abitset_ones, abitset_or, abitset_or_and,
15482 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
15483 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
15484 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
15485 Use function prototypes; this removes the need for declaring
15486 static functions simply to provide their prototypes.
15487 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
15488 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
15489 bitset_count_, bitset_create, bitset_dump, bitset_first,
15490 bitset_free, bitset_init, bitset_last, bitset_next,
15491 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
15492 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
15493 bitset_print, bitset_release_memory, bitset_toggle_,
15494 bitset_type_choose, bitset_type_get, bitset_type_name_get,
15495 debug_bitset): Likewise.
15496 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
15497 * lib/bitset_stats.c (bitset_log_histogram_print,
15498 bitset_percent_histogram_print, bitset_stats_and,
15499 bitset_stats_and_cmp, bitset_stats_and_or,
15500 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
15501 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
15502 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
15503 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
15504 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
15505 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
15506 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
15507 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
15508 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
15509 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
15510 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
15511 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
15512 bitset_stats_zero): Likewise.
15513 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
15514 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
15515 bitsetv_dump, debug_bitsetv): Likewise.
15516 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
15517 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
15518 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
15519 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
15520 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
15521 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
15522 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
15523 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
15524 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
15525 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
15526 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
15527 Likewise.
15528 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
15529 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
15530 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
15531 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
15532 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
15533 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
15534 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
15535 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
15536 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
15537 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
15538 lbitset_xor_cmp, lbitset_zero): Likewise.
15539
15540 2002-10-14 Akim Demaille <akim@epita.fr>
15541
15542 Version 1.75.
15543
15544 2002-10-14 Akim Demaille <akim@epita.fr>
15545
15546 * tests/Makefile.am (maintainer-check-posix): New.
15547
15548 2002-10-14 Akim Demaille <akim@epita.fr>
15549
15550 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
15551 member.
15552
15553 2002-10-14 Akim Demaille <akim@epita.fr>
15554
15555 * src/tables.c (table_ninf_remap): base -> tab.
15556 Reported by Matt Rosing.
15557
15558 2002-10-14 Paul Eggert <eggert@twinsun.com>
15559
15560 * tests/action.at, tests/calc.at, tests/conflicts.at,
15561 tests/cxx-type.at, tests/headers.at, tests/input.at,
15562 tests/regression.at, tests/synclines.at, tests/torture.at:
15563 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
15564 so that the tests still work even if POSIXLY_CORRECT is set.
15565 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
15566
15567 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
15568 for portability to K&R hosts. Fix typo: signed char is guaranteed
15569 only to 127, not to 128.
15570 * data/glr.c (yysigned_char): New type.
15571 * data/yacc.c (yysigned_char): Likewise.
15572 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
15573
15574 2002-10-13 Paul Eggert <eggert@twinsun.com>
15575
15576 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
15577 true due to limited range of data type" warning from GCC.
15578
15579 * data/c.m4 (b4_token_defines): Protect against double-inclusion
15580 by wrapping enum yytokentype's definition inside #ifndef
15581 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
15582
15583 2002-10-13 Akim Demaille <akim@epita.fr>
15584
15585 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
15586 Un yy- yyrhs to avoid the name clash with the global YYRHS.
15587
15588 2002-10-13 Akim Demaille <akim@epita.fr>
15589
15590 * Makefile.maint: Update from Autoconf 2.54.
15591 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
15592
15593 2002-10-13 Akim Demaille <akim@epita.fr>
15594
15595 * src/print.c (print_state): Separate the list of solved conflicts
15596 from the other items.
15597 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
15598
15599 2002-10-13 Akim Demaille <akim@epita.fr>
15600
15601 Let nondeterministic skeletons be usable with deterministic
15602 tables.
15603
15604 With the patch, GAWK compiled by GCC without -O2 passes its test
15605 suite using a GLR parser driven by LALR tables. It fails with -O2
15606 because `struct stat' gives two different answers on my machine:
15607 88 (definition of an auto var) and later 96 (memset on this var).
15608 Hence the stack is badly corrumpted. The headers inclusion is to
15609 blame: if I move the awk.h inclusion before GLR's system header
15610 inclusion, the two struct stat have the same size.
15611
15612 * src/tables.c (pack_table): Always create conflict_table.
15613 (token_actions): Always create conflict_list.
15614 * data/glr.c (YYFLAG): Remove, unused.
15615
15616 2002-10-13 Akim Demaille <akim@epita.fr>
15617
15618 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
15619 (O0FLAGS): New.
15620 (VALGRIND, GXX): New.
15621 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
15622 * tests/bison.in: Run $PREBISON a pre-command.
15623 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
15624 (maintainer-check-g++): New.
15625 * Makefile.am (maintainer-check): New.
15626
15627 2002-10-13 Akim Demaille <akim@epita.fr>
15628
15629 * data/glr.c: Formatting changes.
15630 Tweak some trace messages to match yacc.c's.
15631
15632 2002-10-13 Akim Demaille <akim@epita.fr>
15633
15634 GLR parsers sometimes raise parse errors instead of performing the
15635 default reduction.
15636 Reported by Charles-Henry de Boysson.
15637
15638 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
15639 check the length of the traces when %glr.
15640 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
15641 GLR's traces.
15642 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
15643 Test GLR parsers.
15644 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
15645 (yyltype): Remove the yy prefix from the member names.
15646 (yytable): Complete its comment.
15647 (yygetLRActions): Map error action number from YYTABLE from
15648 YYTABLE_NINF to 0.
15649 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
15650 (which was a bug: it should have been YYTABEL_NINF, and yet it was
15651 not satisfying as we could compare an YYACTION computed from
15652 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
15653 only value for error actions.
15654 (yyreportParseError): In verbose parse error messages, don't issue
15655 `error' in the list of expected tokens.
15656 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
15657 next action to perform to match glr.c's decoding.
15658 (yytable): Complete its comment.
15659
15660 2002-10-13 Paul Eggert <eggert@twinsun.com>
15661
15662 Fix problem reported by Henrik Grubbstroem in
15663 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
15664 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
15665 because the Bison parser reads the second action before reducing
15666 the first one.
15667 * src/scan-gram.l (rule_length): New static var.
15668 Use it to keep track of the rule length in the scanner, since
15669 we can't expect the parser to be in lock-step sync with the scanner.
15670 (handle_action_dollar, handle_action_at): Use this var.
15671 * tests/actions.at (Exotic Dollars): Test for the problem.
15672
15673 2002-10-12 Paul Eggert <eggert@twinsun.com>
15674
15675 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
15676 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
15677 Include <sys/time.h> when checking for clock_t and struct tms.
15678 Use same include order as source.
15679 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
15680 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
15681
15682 * lib/timevar.c: Update copyright date and clarify comments.
15683 (get_time) [IN_GCC]: Keep the GCC version for reference.
15684
15685 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
15686 GCC version as of today, then merge Bison's changes.
15687 Change "GCC" to "Bison" in copyright notice. timevar.def's
15688 author is Akim, so change that too.
15689
15690 * src/reader.c (grammar_current_rule_check):
15691 Don't worry about the default action if $$ is untyped.
15692 Prevents bogus warnings reported by Jim Gifford in
15693 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
15694
15695 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
15696 * data/glr.c, data/lalr1.cc, data/yacc.c:
15697 Output token definitions before the first part of user declarations.
15698 Fixes compatibility problem reported by Jim Gifford for kbd in
15699 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
15700
15701 2002-10-11 Paul Eggert <eggert@twinsun.com>
15702
15703 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
15704 (yyparse): here. This undoes some of the 2002-07-25 change.
15705 Compatibility problem reported by Ralf S. Engelschall with
15706 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
15707
15708 2002-10-11 Akim Demaille <akim@epita.fr>
15709
15710 * tests/regression.at Characters Escapes): New.
15711 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
15712 characters.
15713 Reported by Jan Nieuwenhuizen.
15714
15715 2002-10-11 Akim Demaille <akim@epita.fr>
15716
15717 * po/id.po: New.
15718
15719 2002-10-10 Paul Eggert <eggert@twinsun.com>
15720
15721 Portability fixes for bitsets; this also avoids several GCC
15722 warnings.
15723
15724 * lib/abitset.c: Include <stddef.h>, for offsetof.
15725 * lib/lbitset.c: Likewise.
15726
15727 * lib/abitset.c (abitset_bytes): Return a size that is aligned
15728 properly for vectors of objects. Do not assume that adding a
15729 header size to a multiple of a word size yields a value that is
15730 properly aligned for the whole union.
15731 * lib/bitsetv.c (bitsetv_alloc): Likewise.
15732
15733 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
15734 unique names for structures.
15735 * lib/ebitset.c (ebitset_bytes): Likewise.
15736 * lib/lbitset.c (lbitset_bytes): Likewise.
15737
15738 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
15739 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
15740 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
15741 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
15742 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
15743 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
15744 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
15745 to improve the type-checking that GCC can do.
15746 * lib/bitset.c (bitset_op4_cmp): Likewise.
15747 * lib/bitset_stats.c (bitset_stats_count,
15748 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
15749 bitset_stats_copy, bitset_stats_disjoint_p,
15750 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
15751 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
15752 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
15753 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
15754 bitset_stats_and_or_cmp, bitset_stats_andn_or,
15755 bitset_stats_andn_or_cmp, bitset_stats_or_and,
15756 bitset_stats_or_and_cmp): Likewise.
15757 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
15758 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
15759 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
15760 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
15761
15762 * lib/abitset.h: Include bitset.h, not bbitset.h.
15763 * lib/ebitset.h: Likewise.
15764 * lib/lbitset.h: Likewise.
15765
15766 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
15767 All instances of parameters of type enum bitset_opts are now of
15768 type enum_bitset_opts, to conform to the C Standard, and similarly
15769 for enum_bitset_type.
15770 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
15771 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
15772
15773 Do not use "struct bitset_struct" to mean different things in
15774 different modules. Not only is this confusing, it violates
15775 the C Standard, which requires that structure types in different
15776 modules must be compatible if one is to be passed to the other.
15777 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
15778 All instances of "struct bitset_struct *" replaced with "bitset".
15779 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
15780 (union bitset_union, struct abitset_struct, struct ebitset_struct,
15781 struct lbitset_struct, struct bitset_stats_struct): New types.
15782 All uses of struct bitset_struct changed to union bitset_union,
15783 etc.
15784 * lib/abitset.c (struct abitset_struct, abitset,
15785 struct bitset_struct): Remove.
15786 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
15787 struct bitset_struct): Remove.
15788 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
15789 bitset_struct): Remove.
15790 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
15791 Likewise.
15792
15793 Do not call a function of type T using a call that assumes the
15794 function is of a different type U. Standard C requires that a
15795 function must be called with a type that is compatible with its
15796 definition.
15797 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
15798 New decls.
15799 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
15800 New functions.
15801 * lib/ebitset.c (PFV): Remove.
15802 * lib/lbitset.c (PFV): Likewise.
15803 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
15804 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
15805 decls.
15806 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
15807 (ebitset_vtable): Use them.
15808 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
15809 lbitset_xor): New functions.
15810 (lbitset_vtable): Use them.
15811
15812 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
15813 Declare.
15814
15815 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
15816 GCC warning.
15817 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
15818 Use offsetof, for simplicity.
15819
15820 2002-10-06 Paul Eggert <eggert@twinsun.com>
15821
15822 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
15823 the same width as int. This reapplies a hunk of the 2002-08-12 patch
15824 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
15825 which was inadvertently undone by the 2002-09-30 patch.
15826 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
15827 the same width as int.
15828
15829 2002-10-04 Paul Eggert <eggert@twinsun.com>
15830
15831 Version 1.50.
15832
15833 * configure.ac (AC_INIT), NEWS: Increment version number.
15834
15835 * doc/bison.texinfo: Minor spelling, grammar, and white space
15836 fixes.
15837 (Symbols): Mention that any negative value returned from yylex
15838 signifies end-of-input. Warn about negative chars. Mention
15839 the portable Standard C character set.
15840
15841 The GNU coding standard says CFLAGS and YFLAGS are reserved
15842 for the installer to set.
15843 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
15844 * src/Makefile.am (AM_CFLAGS): Likewise.
15845 (AM_YFLAGS): Renamed from YFLAGS.
15846
15847 Fix some MAX and MIN problems.
15848 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
15849 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
15850 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
15851 * src/reader.c (reader): Use it.
15852
15853 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
15854 POSIX 1003.1-2001 has removed fgrep.
15855
15856 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15857
15858 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
15859 interpreted as signed.
15860 * lib/ebitset.c (ebitset_list): Fix bug.
15861
15862 2002-10-01 Paul Eggert <eggert@twinsun.com>
15863
15864 More fixes for 64-bit hosts and large bitsets.
15865
15866 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
15867 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
15868 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
15869 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
15870 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
15871 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
15872 bitset_count_): Likewise.
15873 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
15874 bitset_first, bitset_last): Likewise.
15875 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
15876 bitset_stats_list_reverse, bitset_stats_size,
15877 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
15878 Likewise.
15879 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
15880 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
15881 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
15882 bitsetv_reflexive_transitive_closure): Likewise.
15883 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
15884 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
15885 Likewise.
15886 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
15887 Likewise.
15888
15889 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
15890 Use size_t, not unsigned int, to count bytes.
15891 * lib/abitset.h (abitset_bytes): Likewise.
15892 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
15893 Likewise.
15894 * lib/bitset.h (bitset_bytes): Likewise.
15895 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
15896 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
15897 * lib/bitsetv.c (bitsetv_alloc): Likewise.
15898 * lib/ebitset.c (ebitset_bytes): Likewise.
15899 * lib/ebitset.h (ebitset_bytes): Likewise.
15900 * lib/lbitset.c (lbitset_bytes): Likewise.
15901 * lib/lbitset.h (lbitset_bytes): Likewise.
15902
15903 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
15904 abitset_subset_p, abitset_disjoint_p, abitset_and,
15905 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
15906 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
15907 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
15908 abitset_or_and, abitset_or_and_cmp):
15909 Use bitset_windex instead of unsigned int.
15910 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
15911 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
15912 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
15913 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
15914 Likewise.
15915 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
15916
15917 * lib/bitset.c (bitset_print):
15918 Use proper printf formats for widths of integer types.
15919 * lib/bitset_stats.c (bitset_percent_histogram_print,
15920 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
15921 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
15922 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
15923 * lib/lbitset.c (lbitset_bytes): Likewise.
15924
15925 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
15926 BITSET_SIZE_MAX): New macros.
15927 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
15928 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
15929 to BITSET_WINDEX_MAX.
15930
15931 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
15932 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
15933 since we now return the bitset_bindex type (not int).
15934
15935 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
15936 when computing sizes.
15937 * lib/ebitset.c (ebitset_elts_grow): Likewise.
15938
15939 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
15940 and avoid cast to unsigned.
15941
15942 2002-09-30 Akim Demaille <akim@epita.fr>
15943
15944 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
15945 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
15946 Updates from Michael Hayes.
15947
15948 2002-09-30 Art Haas <ahaas@neosoft.com>
15949
15950 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
15951 invocations.
15952 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
15953 defined.
15954
15955 2002-09-27 Akim Demaille <akim@epita.fr>
15956
15957 Version 1.49c.
15958
15959 2002-09-27 Akim Demaille <akim@epita.fr>
15960
15961 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
15962 (Because of AC_LIBSOURCE).
15963
15964 2002-09-27 Akim Demaille <akim@epita.fr>
15965
15966 Playing with Autoscan.
15967
15968 * configure.ac: Remove the old LIBOBJ tweaks.
15969 (AC_REPLACE_FUNCS): Add strrchr and strtol.
15970 * lib/strrchr.c: New.
15971 * lib/strtol.c: New, from the Coreutils 4.5.1.
15972
15973 2002-09-27 Akim Demaille <akim@epita.fr>
15974
15975 Playing with Autoscan.
15976
15977 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
15978 * lib/Makefile.am (libbison_a_SOURCES): No longer include
15979 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
15980 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
15981 Coreutils 4.5.1.
15982
15983 2002-09-24 Akim Demaille <akim@epita.fr>
15984
15985 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
15986 (Frequently Asked Questions, Parser Stack Overflow): New.
15987
15988 2002-09-13 Akim Demaille <akim@epita.fr>
15989
15990 Playing with autoscan.
15991
15992 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
15993 * src/files.c (skeleton_find): Remove, unused.
15994 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
15995 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
15996
15997 2002-09-13 Akim Demaille <akim@epita.fr>
15998
15999 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
16000 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
16001
16002 2002-09-13 Akim Demaille <akim@epita.fr>
16003
16004 * configure.ac: Require 2.54.
16005 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
16006 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
16007 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
16008 Remove, provided by Autoconf macros.
16009
16010 2002-09-12 Akim Demaille <akim@epita.fr>
16011
16012 * m4/prereq.m4: Update, from Coreutils 4.5.1.
16013
16014 2002-09-12 Akim Demaille <akim@epita.fr>
16015
16016 * m4/prereq.m4: Update, from Fileutils 4.1.5.
16017 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
16018 Reported by Martin Mokrejs.
16019
16020 2002-09-10 Akim Demaille <akim@epita.fr>
16021
16022 * src/parse-gram.y: Associate a human readable string to each
16023 token type.
16024 * tests/regression.at (Invalid inputs): Adjust.
16025
16026 2002-09-10 Gary V. Vaughan <gary@gnu.org>
16027
16028 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
16029 with an Autoconf-2.5x style configure.ac.
16030
16031 2002-09-06 Paul Eggert <eggert@twinsun.com>
16032
16033 * doc/bison.texinfo (Conditions): Make explicit that the GPL
16034 exception applies only to yacc.c. This is a modification of a
16035 patch originally suggested by Akim Demaille.
16036
16037 2002-09-06 Akim Demaille <akim@epita.fr>
16038
16039 * data/c.m4 (b4_copyright): Move the GPL exception comment from
16040 here to...
16041 * data/yacc.c: here.
16042
16043 * data/lalr1.cc (struct yyltype): Don't define it, since we use
16044 LocationType.
16045 (b4_ltype): Default to yy::Location from location.hh.
16046
16047 2002-09-04 Jim Meyering <jim@meyering.net>
16048
16049 * data/yacc.c: Guard the declaration of yytoknum also with
16050 `#ifdef YYPRINT', so it is declared only when used.
16051
16052 2002-09-04 Akim Demaille <akim@epita.fr>
16053
16054 * configure.in: Rename as...
16055 * configure.ac: this.
16056 Bump to 1.49c.
16057
16058 2002-09-04 Akim Demaille <akim@epita.fr>
16059
16060 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
16061 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
16062 translate maintainer only messages.
16063
16064 2002-08-12 Paul Eggert <eggert@twinsun.com>
16065
16066 Version 1.49b.
16067
16068 * Makefile.am (SUBDIRS): Remove intl.
16069 (DISTCLEANFILES): Remove.
16070 * NEWS: Mention that GNU M4 is now required. Clarify what is
16071 meant by "larger grammars". Mention the pt_BR translation.
16072 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
16073 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
16074 Bump version from 0.11.2 to 0.11.5.
16075 (BISON_PREREQ_STAGE): Remove.
16076 (AM_GNU_GETTEXT): Use external gettext.
16077 (AC_OUTPUT): Remove intl/Makefile.
16078
16079 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
16080
16081 * data/glr.c: Include string.h, for strlen.
16082 (yyreportParseError): Use size_t for yysize.
16083 (yy_yypstack): No longer nested inside yypstates, as nested
16084 functions are not portable. Do not assume size_t is the
16085 same width as int.
16086 (yypstates): Do not assume that ptrdiff_t is the same width
16087 as int, and similarly for yyposn and YYINDEX.
16088
16089 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
16090
16091 * lib/Makefile.am (INCLUDES): Do not include from the intl
16092 directory, which has been removed.
16093 * src/Makefile.am (INCLUDES): Likewise.
16094
16095 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
16096 (bitsets_sources, additional_bitsets_sources, timevars_sources):
16097 New vars.
16098
16099 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
16100 * tests/Makefile.am (EXTRA_DIST): Likewise.
16101
16102 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
16103 Do not assume that bitset_windex is the same width as unsigned.
16104
16105 * lib/abitset.c (abitset_unused_clear): Do not assume that
16106 bitset_word is the same width as int.
16107 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
16108 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
16109 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
16110 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
16111 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
16112
16113 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
16114 portability to one's complement hosts!).
16115 * lib/ebitset.c (ebitset_op1): Likewise.
16116 * lib/lbitset.c (lbitset_op1): Likewise.
16117
16118 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
16119 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
16120 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
16121 Sync with fileutils.
16122 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
16123 lib/gettext.h: Sync with diffutils.
16124
16125 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
16126 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
16127
16128 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
16129 PROTOTYPES to check for prototypes, and "defined __STDC__" to
16130 check for void *.
16131
16132 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
16133 size_t; the old version tried to do this but casted improperly.
16134 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
16135 (bitset_test): Now returns int, not unsigned long.
16136
16137 * lib/bitset_stats.c: Include "gettext.h".
16138 (_): New macro.
16139 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
16140 name locals "index", as it generates unnecessary warnings on some
16141 hosts that have an "index" function.
16142
16143 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
16144 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
16145 they need translation.
16146 * src/LR0.c (state_list_append, new_itemsets, get_state,
16147 append_states, generate_states): Likewise.
16148 * src/assoc.c (assoc_to_string): Likewise.
16149 * src/closure.c (print_closure, set_firsts, closure): Likewise.
16150 * src/gram.c (grammar_dump): Likewise.
16151 * src/injections.c (injections_compute): Likewise.
16152 * src/lalr.c (lookaheads_print): Likewise.
16153 * src/relation.c (relation_transpose): Likewise.
16154 * src/scan-gram.l: Likewise.
16155 * src/tables.c (table_grow, pack_vector): Likewise.
16156
16157 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
16158 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
16159 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
16160 * m4/mbstate_t.m4: Sync with fileutils.
16161 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
16162
16163 * po/LINGUAS: Add pt_BR.
16164 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
16165 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
16166 lib/timevar.c.
16167 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
16168 manual recommends.
16169 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
16170
16171 * src/complain.c (strerror_r): Remove decl; not needed.
16172 (strerror): Use same pattern as ../lib/error.c.
16173
16174 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
16175
16176 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
16177
16178 * src/main.c (main): Cast result of bindtextdomain and textdomain
16179 to void, to avoid a GCC warning when --disable-nls is in effect.
16180
16181 * src/scan-gram.l: Use strings rather than escapes when possible,
16182 to minimize the number of warnings from xgettext.
16183 (handle_action_dollar, handle_action_at): Don't use isdigit,
16184 as it mishandles negative chars and it may not work as expected
16185 outside the C locale.
16186
16187 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
16188 this is a GCC extension and is not portable to other compilers.
16189
16190 * src/system.h (alloca): Use same pattern as ../lib/error.c.
16191 Do not include <ctype.h>; no longer needed.
16192 Do not include <malloc.h>; no longer needed (and generates
16193 warnings on OpenBSD 3.0).
16194
16195 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
16196 it's not portable.
16197
16198 * tests/regression.at: Do not use 'cc -c input.c -o input';
16199 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
16200
16201 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
16202 exit status as failure, not just exit status 1. Sun C exits
16203 with status 2 sometimes.
16204
16205 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
16206 Use it for the two large tests.
16207
16208 2002-08-02 Akim Demaille <akim@epita.fr>
16209
16210 * src/conflicts.c (conflicts_output): Don't output rules never
16211 reduced here, since anyway that computation doesn't work.
16212 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
16213 (rule_useless_p, rule_never_reduced_p): New.
16214 (grammar_rules_partial_print): Use a filter instead of a range.
16215 Display the title only if needed.
16216 (grammar_rules_print): Adjust.
16217 (grammar_rules_never_reduced_report): New.
16218 * src/tables.c (action_row): Move the computation of rules never
16219 reduced to...
16220 (token_actions): here.
16221 * src/main.c (main): Make the parser before making the report, so
16222 that rules never reduced are computed.
16223 Call grammar_rules_never_reduced_report.
16224 * src/print.c (print_results): Report rules never reduced.
16225 * tests/conflicts.at, tests/reduce.at: Adjust.
16226
16227 2002-08-01 Akim Demaille <akim@epita.fr>
16228
16229 Instead of attaching lookaheads and duplicating the rules being
16230 reduced by a state, attach the lookaheads to the reductions.
16231
16232 * src/state.h (state_t): Remove the `lookaheads',
16233 `lookaheads_rule' member.
16234 (reductions_t): Add a `lookaheads' member.
16235 Use a regular array for the `rules'.
16236 * src/state.c (reductions_new): Initialize the lookaheads member
16237 to 0.
16238 (state_rule_lookaheads_print): Adjust.
16239 * src/state.h, src/state.c (state_reductions_find): New.
16240 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
16241 (count_rr_conflicts): Adjust.
16242 * src/lalr.c (LArule): Remove.
16243 (add_lookback_edge): Adjust.
16244 (state_lookaheads_count): New.
16245 (states_lookaheads_initialize): Merge into...
16246 (initialize_LA): this.
16247 (lalr_free): Adjust.
16248 * src/main.c (main): Don't free nullable and derives too early: it
16249 is used by --verbose.
16250 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
16251
16252 2002-08-01 Akim Demaille <akim@epita.fr>
16253
16254 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
16255 `rule_number_t**'.
16256 (set_derives, free_derives): Rename as...
16257 (derives_compute, derives_free): this.
16258 Adjust all dependencies.
16259 * src/nullable.c (set_nullable, free_nullable): Rename as...
16260 (nullable_compute, nullable_free): these.
16261 (rule_list_t): Store rule_t *, not rule_number_t.
16262 * src/state.c (state_rule_lookaheads_print): Directly compare rule
16263 pointers, instead of their numbers.
16264 * src/main.c (main): Call nullable_free, and derives_free earlier,
16265 as they were lo longer used.
16266
16267 2002-08-01 Akim Demaille <akim@epita.fr>
16268
16269 * lib/timevar.c (get_time): Include children time.
16270 * src/lalr.h (LA, LArule): Don't export them: used with the
16271 state_t.
16272 * src/lalr.c (LA, LArule): Static.
16273 * src/lalr.h, src/lalr.c (lalr_free): New.
16274 * src/main.c (main): Call it.
16275 * src/tables.c (pack_vector): Check whether loc is >= to the
16276 table_size, not >.
16277 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
16278 (tables_generate): do it, since that's also it which allocates
16279 them.
16280 Don't free LA and LArule, main does.
16281
16282 2002-07-31 Akim Demaille <akim@epita.fr>
16283
16284 Separate parser tables computation and output.
16285
16286 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
16287 (conflict_list, conflict_list_cnt, table, check, table_ninf)
16288 (yydefgoto, yydefact, high): Move to...
16289 * src/tables.h, src/tables.c: here.
16290 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
16291 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
16292 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
16293 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
16294 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
16295 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
16296 (action_row, save_row, token_actions, save_column, default_goto)
16297 (goto_actions, sort_actions, matching_state, pack_vector)
16298 (table_ninf_remap, pack_table, prepare_actions): Move to...
16299 * src/tables.c: here.
16300 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
16301 * src/output.c (token_actions, output_base, output_conflicts)
16302 (output_check): Merge into...
16303 (prepare_actions): this.
16304 (actions_output): Rename as...
16305 (user_actions_output): this.
16306 * src/main.c (main): Call tables_generate and tables_free.
16307
16308 2002-07-31 Akim Demaille <akim@epita.fr>
16309
16310 Steal GCC's --time-report support.
16311
16312 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
16313 stolen/adjusted from GCC.
16314 * m4/stage.m4: Remove time related checks.
16315 * m4/timevar.m4: New.
16316 * configure.in: Adjust.
16317 * src/system.h: Adjust to using timevar.h.
16318 * src/getargs.h, src/getargs.c: Support trace_time for
16319 --trace=time.
16320 * src/main.c (stage): Remove.
16321 (main): Replace `stage' invocations with timevar calls.
16322 * src/output.c: Insert pertinent timevar calls.
16323
16324 2002-07-31 Akim Demaille <akim@epita.fr>
16325
16326 Let --trace have arguments.
16327
16328 * src/getargs.h (enum trace_e): New.
16329 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
16330 (long_options, short_options): --trace/-T takes an optional
16331 argument.
16332 Change all the uses of trace_flag to reflect the new flags.
16333 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
16334
16335 Strengthen `stage' portability.
16336
16337 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
16338 * configure.in: Use it.
16339 Don't check for malloc.h and sys/times.h.
16340 * src/system.h: Include them when appropriate.
16341 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
16342 times and struct tms are available.
16343
16344 2002-07-30 Akim Demaille <akim@epita.fr>
16345
16346 In verbose parse error message, don't report `error' as an
16347 expected token.
16348 * tests/actions.at (Printers and Destructors): Adjust.
16349 * tests/calc.at (Calculator $1): Adjust.
16350 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
16351 error message, do not report the parser accepts the error token in
16352 that state.
16353
16354 2002-07-30 Akim Demaille <akim@epita.fr>
16355
16356 Normalize conflict related messages.
16357
16358 * src/complain.h, src/complain.c (warn, complain): New.
16359 * src/conflicts.c (conflicts_print): Use them.
16360 (conflict_report_yacc): New, extracted from...
16361 (conflicts_print): here.
16362 * tests/conflicts.at, tests/existing.at: Adjust.
16363
16364 2002-07-30 Akim Demaille <akim@epita.fr>
16365
16366 Report rules which are never reduced by the parser: those hidden
16367 by conflicts.
16368
16369 * src/LR0.c (save_reductions): Don't make the final state too
16370 different: save its reduction (accept) instead of having a state
16371 without any action (no shift or goto, no reduce).
16372 Note: the final state is now a ``regular'' state, i.e., the
16373 parsers now contain `reduce 0' as default reduction.
16374 Nevertheless, since they decide to `accept' when yystate =
16375 final_state, they still will not reduce rule 0.
16376 * src/print.c (print_actions, print_reduction): Adjust.
16377 * src/output.c (action_row): Track reduced rules.
16378 (token_actions): Report rules never reduced.
16379 * tests/conflicts.at, tests/regression.at: Adjust.
16380
16381 2002-07-30 Akim Demaille <akim@epita.fr>
16382
16383 `stage' was accidentally included in a previous patch.
16384 Initiate its autoconfiscation.
16385
16386 * configure.in: Look for malloc.h and sys/times.h.
16387 * src/main.c (stage): Adjust.
16388 Report only when trace_flag.
16389
16390 2002-07-29 Akim Demaille <akim@epita.fr>
16391
16392 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
16393 state_number_t.
16394 (errs_t): symbol_t*, not symbol_number_t.
16395 (reductions_t): rule_t*, not rule_number_t.
16396 (FOR_EACH_SHIFT): New.
16397 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
16398 * src/print.c, src/print_graph.c: Adjust.
16399
16400 2002-07-29 Akim Demaille <akim@epita.fr>
16401
16402 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
16403
16404 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
16405 (endtoken, accept): these.
16406 * src/reader.c (reader): Set endtoken's default tag to "$end".
16407 Set undeftoken's tag to "$undefined" instead of "$undefined.".
16408 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
16409 Adjust.
16410
16411 2002-07-29 Akim Demaille <akim@epita.fr>
16412
16413 * src/reduce.c (reduce_grammar): When the language is empty,
16414 complain about the start symbol, not the axiom.
16415 Use its location.
16416 * tests/reduce.at (Empty Language): New.
16417
16418 2002-07-26 Akim Demaille <akim@epita.fr>
16419
16420 * src/reader.h, src/reader.c (gram_error): ... can't get
16421 yycontrol without making too strong assumptions on the parser
16422 itself.
16423 * src/output.c (prepare_tokens): Use the real 0th value of
16424 token_translations instead of `0'.
16425 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
16426 visible here.
16427 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
16428 for the time being: %locations ought to provide it to yyerror.
16429
16430 2002-07-25 Akim Demaille <akim@epita.fr>
16431
16432 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
16433 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
16434 * tests/regression.at (Web2c Actions): Adjust.
16435
16436 2002-07-25 Akim Demaille <akim@epita.fr>
16437
16438 Stop storing rules from 1 to nrules + 1.
16439
16440 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
16441 * src/nullable.c, src/output.c, src/print.c, src/reader.c
16442 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
16443 Iterate from 0 to nrules.
16444 Use rule_number_as_item_number and item_number_as_rule_number.
16445 Adjust to `derive' now containing possibly 0.
16446 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
16447 Handle the `- 1' part in rule numbers from/to item numbers.
16448 * src/conflicts.c (log_resolution): Fix the message which reversed
16449 shift and reduce.
16450 * src/output.c (action_row): Initialize default_rule to -1.
16451 (token_actions): Adjust.
16452 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
16453 expected output.
16454 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
16455
16456 2002-07-25 Akim Demaille <akim@epita.fr>
16457
16458 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
16459 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
16460 (b4_c_knr_arg_decl): New.
16461 * data/yacc.c: Use it to define yysymprint, yydestruct, and
16462 yyreport_parse_error.
16463
16464 2002-07-25 Akim Demaille <akim@epita.fr>
16465
16466 * data/yacc.c (yyreport_parse_error): New, extracted from...
16467 (yyparse): here.
16468 (yydestruct, yysymprint): Move above yyparse.
16469 Be K&R compliant.
16470
16471 2002-07-25 Akim Demaille <akim@epita.fr>
16472
16473 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
16474 replace...
16475 (b4_sint_type, b4_uint_type): these.
16476 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
16477 * tests/regression.at (Web2c Actions): Adjust.
16478
16479 2002-07-25 Akim Demaille <akim@epita.fr>
16480
16481 * src/gram.h (TIEM_NUMBER_MAX): New.
16482 (item_number_of_rule_number, rule_number_of_item_number): Rename
16483 as...
16484 (rule_number_as_item_number, item_number_as_rule_number): these.
16485 Adjust dependencies.
16486 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
16487 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
16488 (symbol_number_to_vector_number): New.
16489 (order): Of vector_number_t* type.
16490 (base_t, BASE_MAX, BASE_MIN): New.
16491 (froms, tos, width, pos, check): Of base_t type.
16492 (action_number_t, ACTION_MIN, ACTION_MAX): New.
16493 (actrow): Of action_number_t type.
16494 (conflrow): Of unsigned int type.
16495 (table_ninf, base_ninf): New.
16496 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
16497 (muscle_insert_int_table, muscle_insert_base_table)
16498 (muscle_insert_rule_number_table): New.
16499 (prepare_tokens): Output `toknum' as int_table.
16500 (action_row): Returns a rule_number_t.
16501 Use ACTION_MIN, not SHRT_MIN.
16502 (token_actions): yydefact is rule_number_t*.
16503 (table_ninf_remap): New.
16504 (pack_table): Use it for `base' and `table'.
16505 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
16506 replaced with...
16507 (YYPACT_NINF, YYTABLE_NINF): these.
16508 (yypact, yytable): Compute their types instead of hard-coded
16509 `short'.
16510 * tests/regression.at (Web2c Actions): Adjust.
16511
16512 2002-07-19 Akim Demaille <akim@epita.fr>
16513
16514 * src/scan-gram.l (id): Can start with an underscore.
16515
16516 2002-07-16 Akim Demaille <akim@epita.fr>
16517
16518 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
16519 Adjust all former `associativity' dependencies.
16520 * src/symtab.c (symbol_new): Default associativity is `undef', not
16521 `right'.
16522 (symbol_check_alias_consistence): Adjust.
16523
16524 2002-07-09 Akim Demaille <akim@epita.fr>
16525
16526 * doc/bison.texinfo: Properly set the ``header'' part.
16527 Use @dircategory ``GNU programming tools'' as per Texinfo's
16528 documentation.
16529 Use @copying.
16530
16531 2002-07-09 Akim Demaille <akim@epita.fr>
16532
16533 * lib/quotearg.h: Protect against multiple inclusions.
16534 * src/location.h (location_t): Add a `file' member.
16535 (LOCATION_RESET, LOCATION_PRINT): Adjust.
16536 * src/complain.c (warn_at, complain_at, fatal_at): Drop
16537 `error_one_per_line' support.
16538
16539 2002-07-09 Akim Demaille <akim@epita.fr>
16540
16541 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
16542 * src/reader.c (lineno): Remove.
16543 Adjust all dependencies.
16544 (get_merge_function): Take a location and use complain_at.
16545 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
16546 * tests/regression.at (Invalid inputs, Mixing %token styles):
16547 Adjust.
16548
16549 2002-07-09 Akim Demaille <akim@epita.fr>
16550
16551 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
16552 recovery rule, and forbid extensions when --yacc.
16553 (gram_error): Use complain_at.
16554 * src/reader.c (reader): Exit if there were parse errors.
16555
16556 2002-07-09 Akim Demaille <akim@epita.fr>
16557
16558 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
16559 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
16560 Reported by R Blake <blakers@mac.com>.
16561
16562 2002-07-09 Akim Demaille <akim@epita.fr>
16563
16564 * data/yacc.c: Output the copyright notive in the header.
16565
16566 2002-07-03 Akim Demaille <akim@epita.fr>
16567
16568 * src/output.c (froms, tos): Are state_number_t.
16569 (save_column): sp, sp1, and sp2 are state_number_t.
16570 (prepare): Rename `final' as `final_state_number', `nnts' as
16571 `nterms_number', `nrules' as `rules_number', `nstates' as
16572 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
16573 unused.
16574 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
16575 * data/lalr1.cc (nsym_): Remove, unused.
16576
16577 2002-07-03 Akim Demaille <akim@epita.fr>
16578
16579 * src/lalr.h, src/lalr.c (goto_number_t): New.
16580 * src/lalr.c (goto_list_t): New.
16581 Propagate them.
16582 * src/nullable.c (rule_list_t): New.
16583 Propagate.
16584 * src/types.h: Remove.
16585
16586 2002-07-03 Akim Demaille <akim@epita.fr>
16587
16588 * src/closure.c (print_fderives): Use rule_rhs_print.
16589 * src/derives.c (print_derives): Use rule_rhs_print.
16590 (rule_list_t): New, replaces `shorts'.
16591 (set_derives): Add comments.
16592 * tests/sets.at (Nullable, Firsts): Adjust.
16593
16594 2002-07-03 Akim Demaille <akim@epita.fr>
16595
16596 * src/output.c (prepare_actions): Free `tally' and `width'.
16597 (prepare_actions): Allocate and free `order'.
16598 * src/symtab.c (symbols_free): Free `symbols'.
16599 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
16600 * src/output.c (m4_invoke): Move to...
16601 * src/scan-skel.l: here.
16602 (<<EOF>>): Close yyout, and free its name.
16603
16604 2002-07-03 Akim Demaille <akim@epita.fr>
16605
16606 Fix some memory leaks, and fix a bug: state 0 was examined twice.
16607
16608 * src/LR0.c (new_state): Merge into...
16609 (state_list_append): this.
16610 (new_states): Merge into...
16611 (generate_states): here.
16612 (set_states): Don't ensure a proper `errs' state member here, do it...
16613 * src/conflicts.c (conflicts_solve): here.
16614 * src/state.h, src/state.c: Comment changes.
16615 (state_t): Rename member `shifts' as `transitions'.
16616 Adjust all dependencies.
16617 (errs_new): For consistency, also take the values as argument.
16618 (errs_dup): Remove.
16619 (state_errs_set): New.
16620 (state_reductions_set, state_transitions_set): Assert that no
16621 previous value was assigned.
16622 (state_free): New.
16623 (states_free): Use it.
16624 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
16625 temporary storage: use `errs' and `nerrs' as elsewhere.
16626 (set_conflicts): Allocate and free this `errs'.
16627
16628 2002-07-02 Akim Demaille <akim@epita.fr>
16629
16630 * lib/libiberty.h: New.
16631 * lib: Update the bitset implementation from upstream.
16632 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
16633 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
16634 * src/main.c: Adjust bitset stats calls.
16635
16636 2002-07-01 Paul Eggert <eggert@twinsun.com>
16637
16638 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
16639 char, so that negative chars don't collide with $.
16640
16641 2002-06-30 Akim Demaille <akim@epita.fr>
16642
16643 Have the GLR tests be `warning' checked, and fix the warnings.
16644
16645 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
16646 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
16647 (yyremoveDeletes): `yyi' and `yyj' are size_t.
16648 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
16649 (yyaddDeferredAction): static.
16650 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
16651 (yyreportParseError): yyprefix is const.
16652 yytokenp is used only when verbose.
16653 (yy__GNUC__): Replace with __GNUC__.
16654 (yypdumpstack): yyi is size_t.
16655 (yypreference): Un-yy local variables and arguments, to avoid
16656 clashes with `yyr1'. Anyway, we are not in the user name space.
16657 (yytname_size): be an int, as is compared with ints.
16658 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
16659 Use them.
16660 * tests/cxx-gram.at: Use quotation to protect $1.
16661 Use AT_COMPILE to enable warnings hunts.
16662 Prototype yylex and yyerror.
16663 `Use' argc.
16664 Include `string.h', not `strings.h'.
16665 Produce and prototype stmtMerge only when used.
16666 yylex takes a location.
16667
16668 2002-06-30 Akim Demaille <akim@epita.fr>
16669
16670 We spend a lot of time in quotearg, in particular when --verbose.
16671
16672 * src/symtab.c (symbol_get): Store a quoted version of the key.
16673 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
16674 Adjust all callers.
16675
16676 2002-06-30 Akim Demaille <akim@epita.fr>
16677
16678 * src/state.h (reductions_t): Rename member `nreds' as num.
16679 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
16680 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
16681
16682 2002-06-30 Akim Demaille <akim@epita.fr>
16683
16684 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
16685 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
16686 (shifts_to): Rename as...
16687 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
16688 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
16689 (TRANSITION_IS_DISABLED, transitions_to): these.
16690
16691 2002-06-30 Akim Demaille <akim@epita.fr>
16692
16693 * src/print.c (print_shifts, print_gotos): Merge into...
16694 (print_transitions): this.
16695 (print_transitions, print_errs, print_reductions): Align the
16696 lookaheads columns.
16697 (print_core, print_transitions, print_errs, print_state,
16698 print_grammar): Output empty lines separator before, not after.
16699 (state_default_rule_compute): Rename as...
16700 (state_default_rule): this.
16701 * tests/conflicts.at (Defaulted Conflicted Reduction),
16702 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
16703 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
16704
16705 2002-06-30 Akim Demaille <akim@epita.fr>
16706
16707 Display items as we display rules.
16708
16709 * src/gram.h, src/gram.c (rule_lhs_print): New.
16710 * src/gram.c (grammar_rules_partial_print): Use it.
16711 * src/print.c (print_core): Likewise.
16712 * tests/conflicts.at (Defaulted Conflicted Reduction),
16713 (Unresolved SR Conflicts): Adjust.
16714 (Unresolved SR Conflicts): Adjust and rename as...
16715 (Resolved SR Conflicts): this, as was meant.
16716 * tests/regression.at (Web2c Report): Adjust.
16717
16718 2002-06-30 Akim Demaille <akim@epita.fr>
16719
16720 * src/print.c (state_default_rule_compute): New, extracted from...
16721 (print_reductions): here.
16722 Pessimize, but clarify the code.
16723 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
16724
16725 2002-06-30 Akim Demaille <akim@epita.fr>
16726
16727 * src/output.c (action_row): Let default_rule be always a rule
16728 number.
16729
16730 2002-06-30 Akim Demaille <akim@epita.fr>
16731
16732 * src/closure.c (print_firsts, print_fderives, closure):
16733 Use BITSET_EXECUTE.
16734 * src/lalr.c (lookaheads_print): Likewise.
16735 * src/state.c (state_rule_lookaheads_print): Likewise.
16736 * src/print_graph.c (print_core): Likewise.
16737 * src/print.c (print_reductions): Likewise.
16738 * src/output.c (action_row): Likewise.
16739 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
16740
16741 2002-06-30 Akim Demaille <akim@epita.fr>
16742
16743 * src/print_graph.c: Use report_flag.
16744
16745 2002-06-30 Akim Demaille <akim@epita.fr>
16746
16747 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
16748 to...
16749 * src/relation.h, src/relation.c (traverse, relation_digraph)
16750 (relation_print, relation_transpose): New.
16751
16752 2002-06-30 Akim Demaille <akim@epita.fr>
16753
16754 * src/state.h, src/state.c (shifts_to): New.
16755 * src/lalr.c (build_relations): Use it.
16756
16757 2002-06-30 Akim Demaille <akim@epita.fr>
16758
16759 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
16760 (item_number_of_rule_number, rule_number_of_item_number): New.
16761 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
16762 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
16763 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
16764 Propagate their use.
16765 Much remains to be done, in particular wrt `shorts' from types.h.
16766
16767 2002-06-30 Akim Demaille <akim@epita.fr>
16768
16769 * src/symtab.c (symbol_new): Initialize the `printer' member.
16770
16771 2002-06-30 Akim Demaille <akim@epita.fr>
16772
16773 * src/LR0.c (save_reductions): Remove, replaced by...
16774 * src/state.h, src/state.c (state_reductions_set): New.
16775 (reductions, errs): Rename as...
16776 (reductions_t, errs_t): these.
16777 Adjust all dependencies.
16778
16779 2002-06-30 Akim Demaille <akim@epita.fr>
16780
16781 * src/LR0.c (state_list_t, state_list_append): New.
16782 (first_state, last_state): Now symbol_list_t.
16783 (this_state): Remove.
16784 (new_itemsets, append_states, save_reductions): Take a state_t as
16785 argument.
16786 (set_states, generate_states): Adjust.
16787 (save_shifts): Remove, replaced by...
16788 * src/state.h, src/state.c (state_shifts_set): New.
16789 (shifts): Rename as...
16790 (shifts_t): this.
16791 Adjust all dependencies.
16792 * src/state.h (state_t): Remove the `next' member.
16793
16794 2002-06-30 Akim Demaille <akim@epita.fr>
16795
16796 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
16797 escaped in slot 0.
16798
16799 2002-06-30 Akim Demaille <akim@epita.fr>
16800
16801 Use hash.h for the state hash table.
16802
16803 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
16804 (allocate_storage): Use state_hash_new.
16805 (free_storage): Use state_hash_free.
16806 (new_state, get_state): Adjust.
16807 * src/lalr.h, src/lalr.c (states): Move to...
16808 * src/states.h (state_t): Remove the `link' member, no longer
16809 used.
16810 * src/states.h, src/states.c: here.
16811 (state_hash_new, state_hash_free, state_hash_lookup)
16812 (state_hash_insert, states_free): New.
16813 * src/states.c (state_table, state_compare, state_hash): New.
16814 * src/output.c (output_actions): Do not free states now, since we
16815 still need to know the final_state number in `prepare', called
16816 afterwards. Do it...
16817 * src/main.c (main): here: call states_free after `output'.
16818
16819 2002-06-30 Akim Demaille <akim@epita.fr>
16820
16821 * src/state.h, src/state.c (state_new): New, extracted from...
16822 * src/LR0.c (new_state): here.
16823 * src/state.h (STATE_ALLOC): Move to...
16824 * src/state.c: here.
16825 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
16826 * src/state.h, src/state.c: here.
16827
16828 2002-06-30 Akim Demaille <akim@epita.fr>
16829
16830 * src/reader.c (gensym): Rename as...
16831 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
16832 (getsym): Rename as...
16833 (symbol_get): this.
16834
16835 2002-06-30 Akim Demaille <akim@epita.fr>
16836
16837 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
16838 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
16839 * src/output.c, src/print.c, src/print_graph.c: Propagate.
16840 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
16841
16842 2002-06-30 Akim Demaille <akim@epita.fr>
16843
16844 Make the test suite pass with warnings checked.
16845
16846 * tests/actions.at (Printers and Destructors): Improve.
16847 Avoid unsigned vs. signed issues.
16848 * tests/calc.at: Don't exercise the scanner here, do it...
16849 * tests/input.at (Torturing the Scanner): here.
16850
16851 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16852
16853 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
16854 reorganize first lines parallel to yacc.c.
16855
16856 2002-06-28 Akim Demaille <akim@epita.fr>
16857
16858 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
16859 (b4_token_enum, b4_token_defines): New, factored from...
16860 * data/lalr1.cc, data/yacc.c, glr.c: here.
16861
16862 2002-06-28 Akim Demaille <akim@epita.fr>
16863
16864 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
16865 unused variables.
16866 * src/output.c (merger_output): static.
16867
16868 2002-06-28 Akim Demaille <akim@epita.fr>
16869
16870 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
16871 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
16872 pacify GCC.
16873 * src/output.c (save_row): Initialize all the variables to pacify GCC.
16874
16875 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16876
16877 Accumulated changelog for new GLR parsing features.
16878
16879 * src/conflicts.c (count_total_conflicts): Change name to
16880 conflicts_total_count.
16881 * src/conflicts.h: Ditto.
16882 * src/output.c (token_actions): Use the new name.
16883 (output_conflicts): Change conflp => conflict_list_heads, and
16884 confl => conflict_list for better readability.
16885 * data/glr.c: Use the new names.
16886 * NEWS: Add self to GLR announcement.
16887
16888 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
16889
16890 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
16891 Akim Demaille.
16892
16893 * data/bison.glr: Change name to glr.c
16894 * data/glr.c: Renamed from bison.glr.
16895 * data/Makefile.am: Add glr.c
16896
16897 * src/getargs.c:
16898
16899 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
16900 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
16901
16902 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16903
16904 * data/bison.glr: Be sure to restore the
16905 current #line when returning to the skeleton contents after having
16906 exposed the input file's #line.
16907
16908 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16909
16910 * data/bison.glr: Bring up to date with changes to bison.simple.
16911
16912 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16913
16914 * data/bison.glr: Correct definitions that use b4_prefix.
16915 Various reformatting.
16916 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
16917 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
16918 yytokenp argument; now part of stack.
16919 (yychar): Define to behave as documented.
16920 (yyclearin): Ditto.
16921
16922 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16923
16924 * src/reader.h: Add declaration for free_merger_functions.
16925
16926 * src/reader.c (merge_functions): New variable.
16927 (get_merge_function): New function.
16928 (free_merger_functions): New function.
16929 (readgram): Check for %prec that is not followed by a symbol.
16930 Handle %dprec and %merge declarations.
16931 (packgram): Initialize dprec and merger fields in rules array.
16932
16933 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
16934 conflict_list_cnt, conflict_list_free): New variables.
16935 (table_grow): Also grow conflict_table.
16936 (prepare_rules): Output dprec and merger tables.
16937 (conflict_row): New function.
16938 (action_row): Output conflict lists for GLR parser. Don't use
16939 default reduction in conflicted states for GLR parser so that there
16940 are spaces for the conflict lists.
16941 (save_row): Also save conflict information.
16942 (token_actions): Allocate conflict list.
16943 (merger_output): New function.
16944 (pack_vector): Pack conflict table, too.
16945 (output_conflicts): New function to output yyconflp and yyconfl.
16946 (output_check): Allocate conflict_tos.
16947 (output_actions): Output conflict tables, also.
16948 (output_skeleton): Output b4_mergers definition.
16949 (prepare): Output b4_max_rhs_length definition.
16950 Use 'bison.glr' as default skeleton for GLR parsers.
16951
16952 * src/gram.c (glr_parser): New flag.
16953 (grammar_free): Call free_merger_functions.
16954
16955 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
16956 all pairs of conflicting reductions, rather than just all tokens
16957 causing conflicts. Needed to size conflict tables.
16958 (conflicts_output): Modify call to count_rr_conflicts for new
16959 interface.
16960 (conflicts_print): Ditto.
16961 (count_total_conflicts): New function.
16962
16963 * src/reader.h (merger_list): New type.
16964 (merge_functions): New variable.
16965
16966 * src/lex.h (tok_dprec, tok_merge): New token types.
16967
16968 * src/gram.h (rule_s): Add dprec and merger fields.
16969 (glr_parser): New flag.
16970
16971 * src/conflicts.h (count_total_conflicts): New function.
16972
16973 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
16974
16975 * doc/bison.texinfo (Generalized LR Parsing): New section.
16976 (GLR Parsers): New section.
16977 (Language and Grammar): Mention GLR parsing.
16978 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
16979 Correct typo ("tge" -> "the").
16980
16981 * data/bison.glr: New skeleton for GLR parsing.
16982
16983 * tests/cxx-gram.at: New tests for GLR parsing.
16984
16985 * tests/testsuite.at: Include cxx-gram.at.
16986
16987 * tests/Makefile.am: Add cxx-gram.at.
16988
16989 * src/parse-gram.y:
16990
16991 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
16992
16993 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
16994
16995 2002-06-27 Akim Demaille <akim@epita.fr>
16996
16997 * src/options.h, src/options.c: Remove.
16998 * src/getargs.c (short_options, long_options): New.
16999
17000 2002-06-27 Akim Demaille <akim@epita.fr>
17001
17002 * data/bison.simple, data/bison.c++: Rename as...
17003 * data/yacc.c, data/lalr1.cc: these.
17004 * doc/bison.texinfo (Environment Variables): Remove.
17005
17006 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
17007
17008 * src/getargs.c (report_argmatch): Initialize strtok().
17009
17010 2002-06-20 Akim Demaille <akim@epita.fr>
17011
17012 * data/bison.simple (b4_symbol_actions): New, replaces...
17013 (b4_symbol_destructor, b4_symbol_printer): these.
17014 (yysymprint): Be sure to call YYPRINT only for tokens, and using
17015 user token numbers.
17016
17017 2002-06-20 Akim Demaille <akim@epita.fr>
17018
17019 * data/bison.simple (yydestructor): Rename as...
17020 (yydestruct): this.
17021
17022 2002-06-20 Akim Demaille <akim@epita.fr>
17023
17024 * src/symtab.h, src/symtab.c (symbol_type_set)
17025 (symbol_destructor_set, symbol_precedence_set): The location is
17026 the last argument.
17027 Adjust all callers.
17028
17029 2002-06-20 Akim Demaille <akim@epita.fr>
17030
17031 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
17032 internals.
17033 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
17034 Takes a location.
17035 * src/symtab.h, src/symtab.c (symbol_class_set)
17036 (symbol_user_token_number_set): Likewise.
17037 Adjust all callers.
17038 Promote complain_at.
17039 * tests/input.at (Type Clashes): Adjust.
17040
17041 2002-06-20 Akim Demaille <akim@epita.fr>
17042
17043 * data/bison.simple (YYLEX): Fix the declaration when
17044 %pure-parser.
17045
17046 2002-06-20 Akim Demaille <akim@epita.fr>
17047
17048 * data/bison.simple (yysymprint): Don't print the token number,
17049 just its name.
17050 * tests/actions.at (Destructors): Rename as...
17051 (Printers and Destructors): this.
17052 Also exercise %printer.
17053
17054 2002-06-20 Akim Demaille <akim@epita.fr>
17055
17056 * data/bison.simple (YYDSYMPRINT): New.
17057 Use it to remove many of the #if YYDEBUG/if (yydebug).
17058
17059 2002-06-20 Akim Demaille <akim@epita.fr>
17060
17061 * src/symtab.h, src/symtab.c (symbol_t): printer and
17062 printer_location are new members.
17063 (symbol_printer_set): New.
17064 * src/parse-gram.y (PERCENT_PRINTER): New token.
17065 Handle its associated rule.
17066 * src/scan-gram.l: Adjust.
17067 (handle_destructor_at, handle_destructor_dollar): Rename as...
17068 (handle_symbol_code_at, handle_symbol_code_dollar): these.
17069 * src/output.c (symbol_printers_output): New.
17070 (output_skeleton): Call it.
17071 * data/bison.simple (yysymprint): New. Cannot be named yyprint
17072 since there are already many grammar files with a user `yyprint'.
17073 Replace the calls to YYPRINT to calls to yysymprint.
17074 * tests/calc.at: Adjust.
17075 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
17076 taking advantage of parser very internal details (stack size!).
17077
17078 2002-06-20 Akim Demaille <akim@epita.fr>
17079
17080 * src/scan-gram.l: Complete the scanner with the missing patterns
17081 to pacify Flex.
17082 Use `quote' and `symbol_tag_get' where appropriate.
17083
17084 2002-06-19 Akim Demaille <akim@epita.fr>
17085
17086 * tests/actions.at (Destructors): Augment to test locations.
17087 * data/bison.simple (yydestructor): Pass it the current location
17088 if locations are enabled.
17089 Prototype only when __STDC__ or C++.
17090 Change the argument names to move into the yy name space: there is
17091 user code here.
17092
17093 2002-06-19 Akim Demaille <akim@epita.fr>
17094
17095 * data/bison.simple (b4_pure_if): New.
17096 Use it instead of #ifdef YYPURE.
17097
17098 2002-06-19 Akim Demaille <akim@epita.fr>
17099
17100 * data/bison.simple (b4_location_if): New.
17101 Use it instead of #ifdef YYLSP_NEEDED.
17102
17103 2002-06-19 Akim Demaille <akim@epita.fr>
17104
17105 Prepare @$ in %destructor, but currently don't bind it in the
17106 skeleton, as %location use is not cleaned up yet.
17107
17108 * src/scan-gram.l (handle_dollar, handle_destructor_at)
17109 (handle_action_at): New.
17110 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
17111 a braced_code_t and a location as additional arguments.
17112 (handle_destructor_dollar): Instead of requiring `b4_eval', just
17113 unquote one when outputting `b4_dollar_dollar'.
17114 Adjust callers.
17115 * data/bison.simple (b4_eval): Remove.
17116 (b4_symbol_destructor): Adjust.
17117 * tests/input.at (Invalid @n): Adjust.
17118
17119 2002-06-19 Zack Weinberg <zack@codesourcery.com>
17120
17121 * doc/bison.texinfo: Document ability to have multiple
17122 prologue sections.
17123
17124 2002-06-18 Akim Demaille <akim@epita.fr>
17125
17126 * src/files.c (compute_base_names): When computing the output file
17127 names from the input file name, strip the directory part.
17128
17129 2002-06-18 Akim Demaille <akim@epita.fr>
17130
17131 * data/bison.simple.new: Comment changes.
17132 Reported by Andreas Schwab.
17133
17134 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
17135
17136 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
17137 there are no `label `yyoverflowlab' defined but not used' warnings
17138 when yyoverflow is defined.
17139
17140 2002-06-18 Akim Demaille <akim@epita.fr>
17141
17142 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
17143 new member.
17144 (symbol_destructor_set): Adjust.
17145 * src/output.c (symbol_destructors_output): Output the destructor
17146 locations.
17147 Output the symbol name.
17148 * data/bison.simple (b4_symbol_destructor): Adjust.
17149
17150 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
17151 and Akim Demaille <akim@epita.fr>
17152
17153 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
17154 what's left on the stack when the error recovery hits EOF.
17155 * tests/actions.at (Destructors): Complete to exercise this case.
17156
17157 2002-06-17 Akim Demaille <akim@epita.fr>
17158
17159 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
17160 arguments is really empty, not only equal to `[]'.
17161 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
17162 member.
17163 (symbol_destructor_set): New.
17164 * src/output.c (symbol_destructors_output): New.
17165 * src/reader.h (brace_code_t, current_braced_code): New.
17166 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
17167 (handle_dollar): Rename as...
17168 (handle_action_dollar): this.
17169 (handle_destructor_dollar): New.
17170 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
17171 (grammar_declaration): Use it.
17172 * data/bison.simple (yystos): Is always defined.
17173 (yydestructor): New.
17174 * tests/actions.at (Destructors): New.
17175 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
17176
17177 2002-06-17 Akim Demaille <akim@epita.fr>
17178
17179 * src/symlist.h, src/symlist.c (symbol_list_length): New.
17180 * src/scan-gram.l (handle_dollar, handle_at): Compute the
17181 rule_length only when needed.
17182 * src/output.c (actions_output, token_definitions_output): Output
17183 the full M4 block.
17184 * src/symtab.c: Don't access directly to the symbol tag, use
17185 symbol_tag_get.
17186 * src/parse-gram.y: Use symbol_list_free.
17187
17188 2002-06-17 Akim Demaille <akim@epita.fr>
17189
17190 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
17191 (symbol_list_prepend, get_type_name): Move to...
17192 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
17193 (symbol_list_prepend, symbol_list_n_type_name_get): here.
17194 Adjust all callers.
17195 (symbol_list_free): New.
17196 * src/scan-gram.l (handle_dollar): Takes a location.
17197 * tests/input.at (Invalid $n): Adjust.
17198
17199 2002-06-17 Akim Demaille <akim@epita.fr>
17200
17201 * src/reader.h, src/reader.c (symbol_list_new): Export it.
17202 (symbol_list_prepend): New.
17203 * src/parse-gram.y (%union): `list' is a new member.
17204 (symbols.1): New, replaces...
17205 (terms_to_prec.1, nterms_to_type.1): these.
17206 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
17207 Take a location as additional argument.
17208 Adjust all callers.
17209
17210 2002-06-15 Akim Demaille <akim@epita.fr>
17211
17212 * src/parse-gram.y: Move %token in the declaration section so that
17213 we don't depend upon CVS Bison.
17214
17215 2002-06-15 Akim Demaille <akim@epita.fr>
17216
17217 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
17218 * src/print.c (print_core): Use it.
17219
17220 2002-06-15 Akim Demaille <akim@epita.fr>
17221
17222 * src/conflicts.c (log_resolution): Accept the rule involved in
17223 the sr conflicts instead of the lookahead number that points to
17224 that rule.
17225 (flush_reduce): Accept the current lookahead vector as argument,
17226 instead of the index in LA.
17227 (resolve_sr_conflict): Accept the current number of lookahead
17228 bitset to consider for the STATE, instead of the index in LA.
17229 (set_conflicts): Adjust.
17230 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
17231
17232 2002-06-15 Akim Demaille <akim@epita.fr>
17233
17234 * src/state.h (state_t): Replace the `lookaheadsp' member, a
17235 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
17236 Adjust all dependencies.
17237 * src/lalr.c (initialize_lookaheads): Split into...
17238 (states_lookaheads_count, states_lookaheads_initialize): these.
17239 (lalr): Adjust.
17240
17241 2002-06-15 Akim Demaille <akim@epita.fr>
17242
17243 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
17244 out of...
17245 (grammar_rules_print): here.
17246 * src/reduce.c (reduce_output): Use it.
17247 * tests/reduce.at (Useless Rules, Reduced Automaton)
17248 (Underivable Rules): Adjust.
17249
17250 2002-06-15 Akim Demaille <akim@epita.fr>
17251
17252 Copy BYacc's nice way to report the grammar.
17253
17254 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
17255 New.
17256 Don't print the rules' location, it is confusing and useless.
17257 (rule_print): Use grammar_rhs_print.
17258 * src/print.c (print_grammar): Use grammar_rules_print.
17259
17260 2002-06-15 Akim Demaille <akim@epita.fr>
17261
17262 Complete and rationalize `useless thing' warnings.
17263
17264 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
17265 (symbol_tag_print): New.
17266 Use them everywhere in place of accessing directly the tag member.
17267 * src/gram.h, src/gram.c (rule_print): New.
17268 Use it where a rule used to be printed `by hand'.
17269 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
17270 (reduce_grammar_tables): Report the useless rules.
17271 (reduce_print): Useless things are a warning, not an error.
17272 Report it as such.
17273 * tests/reduce.at (Useless Nonterminals, Useless Rules):
17274 (Reduced Automaton, Underivable Rules): Adjust.
17275 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
17276 * tests/conflicts.at (Unresolved SR Conflicts)
17277 (Solved SR Conflicts): Adjust.
17278
17279 2002-06-15 Akim Demaille <akim@epita.fr>
17280
17281 Let symbols have a location.
17282
17283 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
17284 (getsym): Adjust.
17285 Adjust all callers.
17286 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
17287 Use location_t, not int.
17288 * src/symtab.c (symbol_check_defined): Take advantage of the
17289 location.
17290 * tests/regression.at (Invalid inputs): Adjust.
17291
17292 2002-06-15 Akim Demaille <akim@epita.fr>
17293
17294 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
17295 (input): Don't try to initialize yylloc here, do it in the
17296 scanner.
17297 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
17298 * src/gram.h (rule_t): Change line and action_line into location
17299 and action_location, of location_t type.
17300 Adjust all dependencies.
17301 * src/location.h, src/location.c (empty_location): New.
17302 * src/reader.h, src/reader.c (grammar_start_symbol_set)
17303 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
17304 (grammar_current_rule_symbol_append)
17305 (grammar_current_rule_action_append): Expect a location as argument.
17306 * src/reader.c (grammar_midrule_action): Adjust to attach an
17307 action's location as dummy symbol location.
17308 * src/symtab.h, src/symtab.c (startsymbol_location): New.
17309 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
17310 the line numbers.
17311
17312 2002-06-14 Akim Demaille <akim@epita.fr>
17313
17314 Grammar declarations may be found in the grammar section.
17315
17316 * src/parse-gram.y (rules_or_grammar_declaration): New.
17317 (declarations): Each declaration may end with a semicolon, not
17318 just...
17319 (grammar_declaration): `"%union"'.
17320 (grammar): Branch to rules_or_grammar_declaration.
17321
17322 2002-06-14 Akim Demaille <akim@epita.fr>
17323
17324 * src/main.c (main): Invoke scanner_free.
17325
17326 2002-06-14 Akim Demaille <akim@epita.fr>
17327
17328 * src/output.c (m4_invoke): Extracted from...
17329 (output_skeleton): here.
17330 Free tempfile.
17331
17332 2002-06-14 Akim Demaille <akim@epita.fr>
17333
17334 * src/parse-gram.y (directives, directive, gram)
17335 (grammar_directives, precedence_directives, precedence_directive):
17336 Rename as...
17337 (declarations, declaration, grammar, grammar_declaration)
17338 (precedence_declaration, precedence_declarator): these.
17339 (symbol_declaration): New.
17340
17341 2002-06-14 Akim Demaille <akim@epita.fr>
17342
17343 * src/files.c (action_obstack): Remove, unused.
17344 (output_obstack): Remove it, and all its dependencies, as it is no
17345 longer needed.
17346 * src/reader.c (epilogue_set): Build the epilogue in the
17347 muscle_obstack.
17348 * src/output.h, src/output.c (muscle_obstack): Move to...
17349 * src/muscle_tab.h, src/muscle_tab.h: here.
17350 (muscle_init): Initialize muscle_obstack.
17351 (muscle_free): New.
17352 * src/main.c (main): Call it.
17353
17354 2002-06-14 Akim Demaille <akim@epita.fr>
17355
17356 * src/location.h: New, extracted from...
17357 * src/reader.h: here.
17358 * src/Makefile.am (noinst_HEADERS): Merge into
17359 (bison_SOURCES): this.
17360 Add location.h.
17361 * src/parse-gram.y: Use location_t instead of Bison's.
17362 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
17363 Use location_t instead of ints.
17364
17365 2002-06-14 Akim Demaille <akim@epita.fr>
17366
17367 * data/bison.simple, data/bison.c++: Be sure to restore the
17368 current #line when returning to the skeleton contents after having
17369 exposed the input file's #line.
17370
17371 2002-06-12 Akim Demaille <akim@epita.fr>
17372
17373 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
17374 eager.
17375 * tests/actions.at (Exotic Dollars): New.
17376
17377 2002-06-12 Akim Demaille <akim@epita.fr>
17378
17379 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
17380 ['"/] too eagerly.
17381 * tests/input.at (Torturing the Scanner): New.
17382
17383 2002-06-11 Akim Demaille <akim@epita.fr>
17384
17385 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
17386 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
17387 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
17388 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
17389 * src/reader.c (reader): Use it.
17390
17391 2002-06-11 Akim Demaille <akim@epita.fr>
17392
17393 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
17394 Adjust all callers.
17395 (scanner_last_string_free): New.
17396
17397 2002-06-11 Akim Demaille <akim@epita.fr>
17398
17399 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
17400 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
17401 (last_string, YY_OBS_FREE): New.
17402 Use them when returning an ID.
17403
17404 2002-06-11 Akim Demaille <akim@epita.fr>
17405
17406 Have Bison grammars parsed by a Bison grammar.
17407
17408 * src/reader.c, src/reader.h (prologue_augment): New.
17409 * src/reader.c (copy_definition): Remove.
17410
17411 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
17412 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
17413 (grammar_current_rule_prec_set, grammar_current_rule_check)
17414 (grammar_current_rule_symbol_append)
17415 (grammar_current_rule_action_append): Export.
17416 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
17417 (symbol_list_action_append): Remove.
17418 Hook the routines from reader.
17419 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
17420 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
17421
17422 * src/reader.c (read_declarations): Remove, unused.
17423
17424 * src/parse-gram.y: Handle the epilogue.
17425 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
17426 (grammar_start_symbol_set): this.
17427 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
17428 * src/reader.c (readgram): Remove, unused.
17429 (reader): Adjust to insert eoftoken and axiom where appropriate.
17430
17431 * src/reader.c (copy_dollar): Replace with...
17432 * src/scan-gram.h (handle_dollar): this.
17433 * src/parse-gram.y: Remove `%thong'.
17434
17435 * src/reader.c (copy_at): Replace with...
17436 * src/scan-gram.h (handle_at): this.
17437
17438 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
17439 New.
17440
17441 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
17442 time being.
17443
17444 * src/reader.h, src/reader.c (grammar_rule_end): New.
17445
17446 * src/parse.y (current_type, current_class): New.
17447 Implement `%nterm', `%token' support.
17448 Merge `%term' into `%token'.
17449 (string_as_id): New.
17450 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
17451 type name.
17452
17453 * src/parse-gram.y: Be sure to handle properly the beginning of
17454 rules.
17455
17456 * src/parse-gram.y: Handle %type.
17457 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
17458
17459 * src/parse-gram.y: More directives support.
17460 * src/options.c: No longer handle source directives.
17461
17462 * src/parse-gram.y: Fix %output.
17463
17464 * src/parse-gram.y: Handle %union.
17465 Use the prologue locations.
17466 * src/reader.c (parse_union_decl): Remove.
17467
17468 * src/reader.h, src/reader.c (epilogue_set): New.
17469 * src/parse-gram.y: Use it.
17470
17471 * data/bison.simple, data/bison.c++: b4_stype is now either not
17472 defined, then default to int, or to the contents of %union,
17473 without `union' itself.
17474 Adjust.
17475 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
17476
17477 * src/output.c (actions_output): Don't output braces, as they are
17478 already handled by the scanner.
17479
17480 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
17481 characters to themselves.
17482
17483 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
17484 that the epilogue has a proper #line.
17485
17486 * src/parse-gram.y: Handle precedence/associativity.
17487
17488 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
17489 a terminal.
17490 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
17491 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
17492 at all to define terminals that cannot be emitted.
17493
17494 * src/scan-gram.l: Escape M4 characters.
17495
17496 * src/scan-gram.l: Working properly with escapes in user
17497 strings/characters.
17498
17499 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
17500 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
17501 grammar.
17502 Use more modest sizes, as for the time being the parser does not
17503 release memory, and therefore the process swallows a huge amount
17504 of memory.
17505
17506 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
17507 stricter %token grammar.
17508
17509 * src/symtab.h (associativity): Add `undef_assoc'.
17510 (symbol_precedence_set): Do nothing when passed an undef_assoc.
17511 * src/symtab.c (symbol_check_alias_consistence): Adjust.
17512
17513 * tests/regression.at (Invalid %directive): Remove, as it is now
17514 meaningless.
17515 (Invalid inputs): Adjust to the new error messages.
17516 (Token definitions): The new grammar doesn't allow too many
17517 eccentricities.
17518
17519 * src/lex.h, src/lex.c: Remove.
17520 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
17521 (copy_character, copy_string2, copy_string, copy_identifier)
17522 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
17523 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
17524 (parse_action): Remove.
17525 * po/POTFILES.in: Adjust.
17526
17527 2002-06-11 Akim Demaille <akim@epita.fr>
17528
17529 * src/reader.c (parse_action): Don't store directly into the
17530 rule's action member: return the action as a string.
17531 Don't require `rule_length' as an argument: compute it.
17532 (grammar_current_rule_symbol_append)
17533 (grammar_current_rule_action_append): New, eved out from
17534 (readgram): here.
17535 Remove `action_flag', `rulelength', unused now.
17536
17537 2002-06-11 Akim Demaille <akim@epita.fr>
17538
17539 * src/reader.c (grammar_current_rule_prec_set).
17540 (grammar_current_rule_check): New, eved out from...
17541 (readgram): here.
17542 Remove `xaction', `first_rhs': useless.
17543 * tests/input.at (Type clashes): New.
17544 * tests/existing.at (GNU Cim Grammar): Adjust.
17545
17546 2002-06-11 Akim Demaille <akim@epita.fr>
17547
17548 * src/reader.c (grammar_midrule_action): New, Eved out from
17549 (readgram): here.
17550
17551 2002-06-11 Akim Demaille <akim@epita.fr>
17552
17553 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
17554 New.
17555 (readgram): Use them as replacement of inlined code, crule and
17556 crule1.
17557
17558 2002-06-11 Akim Demaille <akim@epita.fr>
17559
17560 * src/reader.c (grammar_end, grammar_symbol_append): New.
17561 (readgram): Use them.
17562 Make the use of `p' as local as possible.
17563
17564 2002-06-10 Akim Demaille <akim@epita.fr>
17565
17566 GCJ's parser requires the tokens to be defined before the prologue.
17567
17568 * data/bison.simple: Output the token definition before the user's
17569 prologue.
17570 * tests/regression.at (Braces parsing, Duplicate string)
17571 (Mixing %token styles): Check the output from bison.
17572 (Early token definitions): New.
17573
17574 2002-06-10 Akim Demaille <akim@epita.fr>
17575
17576 * src/symtab.c (symbol_user_token_number_set): Don't complain when
17577 assigning twice the same user number to a token, so that we can
17578 use it in...
17579 * src/lex.c (lex): here.
17580 Also use `symbol_class_set' instead of hand written code.
17581 * src/reader.c (parse_assoc_decl): Likewise.
17582
17583 2002-06-10 Akim Demaille <akim@epita.fr>
17584
17585 * src/symtab.c, src/symtab.c (symbol_class_set)
17586 (symbol_user_token_number_set): New.
17587 * src/reader.c (parse_token_decl): Use them.
17588 Use a switch instead of ifs.
17589 Use a single argument.
17590
17591 2002-06-10 Akim Demaille <akim@epita.fr>
17592
17593 Remove `%thong' support as it is undocumented, unused, duplicates
17594 `%token's job, and creates useless e-mail traffic with people who
17595 want to know what it is, why it is undocumented, unused, and
17596 duplicates `%token's job.
17597
17598 * src/reader.c (parse_thong_decl): Remove.
17599 * src/options.c (option_table): Remove "thong".
17600 * src/lex.h (tok_thong): Remove.
17601
17602 2002-06-10 Akim Demaille <akim@epita.fr>
17603
17604 * src/symtab.c, src/symtab.c (symbol_type_set)
17605 (symbol_precedence_set): New.
17606 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
17607 (value_components_used): Remove, unused.
17608
17609 2002-06-09 Akim Demaille <akim@epita.fr>
17610
17611 Move symbols handling code out of the reader.
17612
17613 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
17614 (axiom): Move to...
17615 * src/symtab.h, src/symtab.c: here.
17616
17617 * src/gram.c (start_symbol): Remove: use startsymbol->number.
17618 * src/reader.c (startval): Rename as...
17619 * src/symtab.h, src/symtab.c (startsymbol): this.
17620 * src/reader.c: Adjust.
17621
17622 * src/reader.c (symbol_check_defined, symbol_make_alias)
17623 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17624 (token_translations_init)
17625 Move to...
17626 * src/symtab.c: here.
17627 * src/reader.c (packsymbols): Move to...
17628 * src/symtab.h, src/symtab.c (symbols_pack): here.
17629 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
17630 argument.
17631
17632 2002-06-03 Akim Demaille <akim@epita.fr>
17633
17634 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
17635 then statements.
17636
17637 2002-06-03 Akim Demaille <akim@epita.fr>
17638
17639 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
17640 structs with non literals.
17641 * src/scan-skel.l: never-interactive.
17642 * src/conflicts.c (enum conflict_resolution_e): No trailing
17643 comma.
17644 * src/getargs.c (usage): Split long literal strings.
17645 Reported by Hans Aberg.
17646
17647 2002-05-28 Akim Demaille <akim@epita.fr>
17648
17649 * data/bison.c++: Use C++ ostreams.
17650 (cdebug_): New member.
17651
17652 2002-05-28 Akim Demaille <akim@epita.fr>
17653
17654 * src/output.c (output_skeleton): Be sure to allocate enough room
17655 for `/' _and_ for `\0' in full_skeleton.
17656
17657 2002-05-28 Akim Demaille <akim@epita.fr>
17658
17659 * data/bison.c++: Catch up with bison.simple:
17660 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17661 and Paul Eggert <eggert@twinsun.com>: `error' handing.
17662 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
17663 and popping traces.
17664
17665 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17666
17667 * src/output.c (output_skeleton): Put an explicit path in front of
17668 the skeleton file name, rather than relying on the -I directory,
17669 to partially alleviate effects of having a skeleton file lying around
17670 in the current directory.
17671
17672 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17673
17674 * src/conflicts.c (log_resolution): Correct typo:
17675 obstack_printf should be obstack_fgrow1.
17676
17677 2002-05-26 Akim Demaille <akim@epita.fr>
17678
17679 * src/state.h (state_t): `solved_conflicts' is a new member.
17680 * src/LR0.c (new_state): Set it to 0.
17681 * src/conflicts.h, src/conflicts.c (print_conflicts)
17682 (free_conflicts, solve_conflicts): Rename as...
17683 (conflicts_print, conflicts_free, conflicts_solve): these.
17684 Adjust callers.
17685 * src/conflicts.c (enum conflict_resolution_e)
17686 (solved_conflicts_obstack): New, used by...
17687 (log_resolution): this.
17688 Adjust to attach the conflict resolution to each state.
17689 Complete the description with the precedence/associativity
17690 information.
17691 (resolve_sr_conflict): Adjust.
17692 * src/print.c (print_state): Output its solved_conflicts.
17693 * tests/conflicts.at (Unresolved SR Conflicts)
17694 (Solved SR Conflicts): Exercise --report=all.
17695
17696 2002-05-26 Akim Demaille <akim@epita.fr>
17697
17698 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
17699 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17700 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
17701 (token_number_t, item_number_as_token_number)
17702 (token_number_as_item_number, muscle_insert_token_number_table):
17703 Rename as...
17704 (symbol_number_t, item_number_as_symbol_number)
17705 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
17706 these, since it is more appropriate.
17707
17708 2002-05-26 Akim Demaille <akim@epita.fr>
17709
17710 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
17711 `Error:' lines.
17712 * data/bison.simple (yystos) [YYDEBUG]: New.
17713 (yyparse) [YYDEBUG]: Display the symbols which are popped during
17714 error recovery.
17715 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
17716
17717 2002-05-25 Akim Demaille <akim@epita.fr>
17718
17719 * doc/bison.texinfo (Debugging): Split into...
17720 (Tracing): this new section, its former contents, and...
17721 (Understanding): this new section.
17722 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
17723 by...
17724 (report_flag): this.
17725 Adjust all dependencies.
17726 (report_args, report_types, report_argmatch): New.
17727 (usage, getargs): Report/support -r, --report.
17728 * src/options.h
17729 (struct option_table_struct): Rename as..,
17730 (struct option_table_s): this.
17731 Rename the `set_flag' member to `flag' to match with getopt_long's
17732 struct.
17733 * src/options.c (option_table): Split verbose into an entry for
17734 %verbose, and another for --verbose.
17735 Support --report/-r, so remove -r from the obsolete --raw.
17736 * src/print.c: Attach full item sets and lookaheads reports to
17737 report_flag instead of trace_flag.
17738 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
17739
17740 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17741 and Paul Eggert <eggert@twinsun.com>
17742
17743 * data/bison.simple (yyparse): Correct error handling to conform to
17744 POSIX and yacc. Specifically, after syntax error is discovered,
17745 do not reduce further before shifting the error token.
17746 Clean up the code a bit by removing the labels yyerrdefault,
17747 yyerrhandle, yyerrpop.
17748 * NEWS: Document the above.
17749
17750 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17751
17752 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
17753 type; it isn't always big enough, since it doesn't necessarily
17754 include non-terminals.
17755 (yytranslate): Expand definition of yy_token_number_type, so that
17756 the latter can be removed.
17757 (yy_token_number_type): Remove, only one use.
17758 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
17759 don't use TokenNumberType as element type.
17760
17761 * tests/regression.at: Modify expected output to agree with change
17762 to yyr1 and yytranslate.
17763
17764 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
17765
17766 * src/reader.c (parse_action): Use copy_character instead of
17767 obstack_1grow.
17768
17769 2002-05-13 Akim Demaille <akim@epita.fr>
17770
17771 * tests/regression.at (Token definitions): Prototype yylex and
17772 yyerror.
17773
17774 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17775
17776 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
17777 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
17778 32-bit arithmetic.
17779 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
17780
17781 2002-05-07 Akim Demaille <akim@epita.fr>
17782
17783 * tests/synclines.at: Be sure to prototype yylex and yyerror to
17784 avoid GCC warnings.
17785
17786 2002-05-07 Akim Demaille <akim@epita.fr>
17787
17788 Kill GCC warnings.
17789
17790 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
17791 over the RHS of each rule.
17792 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
17793 * src/state.h (state_t): Member `nitems' is unsigned short.
17794 * src/LR0.c (get_state): Adjust.
17795 * src/reader.c (packgram): Likewise.
17796 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
17797 `Type'.
17798 (muscle_insert_int_table): Remove, unused.
17799 (prepare_rules): Remove `max'.
17800
17801 2002-05-06 Akim Demaille <akim@epita.fr>
17802
17803 * src/closure.c (print_firsts): Display of the symbol tags.
17804 (bitmatrix_print): Move to...
17805 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
17806 here.
17807 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
17808
17809 2002-05-06 Akim Demaille <akim@epita.fr>
17810
17811 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
17812 hash_do_for_each.
17813
17814 2002-05-06 Akim Demaille <akim@epita.fr>
17815
17816 * src/LR0.c (new_state, get_state): Instead of using the global
17817 `kernel_size' and `kernel_base', have two new arguments:
17818 `core_size' and `core'.
17819 Adjust callers.
17820
17821 2002-05-06 Akim Demaille <akim@epita.fr>
17822
17823 * src/reader.c (packgram): No longer end `ritem' with a 0
17824 sentinel: it is not used.
17825
17826 2002-05-05 Akim Demaille <akim@epita.fr>
17827
17828 New experimental feature: display the lookaheads in the report and
17829 graph.
17830
17831 * src/print (print_core): When --trace-flag, display the rules
17832 lookaheads.
17833 * src/print_graph.c (print_core): Likewise.
17834 Swap the arguments.
17835 Adjust caller.
17836
17837 2002-05-05 Akim Demaille <akim@epita.fr>
17838
17839 * tests/torture.at (Many lookaheads): New test.
17840
17841 2002-05-05 Akim Demaille <akim@epita.fr>
17842
17843 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
17844 (GENERATE_MUSCLE_INSERT_TABLE): this.
17845 (output_int_table, output_unsigned_int_table, output_short_table)
17846 (output_token_number_table, output_item_number_table): Replace with...
17847 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
17848 (muscle_insert_short_table, muscle_insert_token_number_table)
17849 (muscle_insert_item_number_table): these.
17850 Adjust all callers.
17851 (prepare_tokens): Don't free `translations', since...
17852 * src/reader.h, src/reader.c (grammar_free): do it.
17853 Move to...
17854 * src/gram.h, src/gram.c (grammar_free): here.
17855 * data/bison.simple, data/bison.c++: b4_token_number_max is now
17856 b4_translate_max.
17857
17858 2002-05-05 Akim Demaille <akim@epita.fr>
17859
17860 * src/output.c (output_unsigned_int_table): New.
17861 (prepare_rules): `i' is unsigned.
17862 `prhs', `rline', `r2' are unsigned int.
17863 Rename muscle `rhs_number_max' as `rhs_max'.
17864 Output muscles `prhs_max', `rline_max', and `r2_max'.
17865 Free rline and r1.
17866 * data/bison.simple, data/bison.c++: Adjust to use these muscles
17867 to compute types instead of constant types.
17868 * tests/regression.at (Web2c Actions): Adjust.
17869
17870 2002-05-04 Akim Demaille <akim@epita.fr>
17871
17872 * src/symtab.h (SALIAS, SUNDEF): Rename as...
17873 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
17874 Adjust dependencies.
17875 * src/output.c (token_definitions_output): Be sure not to output a
17876 `#define 'a'' when fed with `%token 'a' "a"'.
17877 * tests/regression.at (Token definitions): New.
17878
17879 2002-05-03 Paul Eggert <eggert@twinsun.com>
17880
17881 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
17882 for K&R C.
17883
17884 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
17885
17886 * Makefile.am (SUBDIRS): Remove intl.
17887 (EXTRA_DIST): Add config/config.rpath.
17888
17889 2002-05-03 Akim Demaille <akim@epita.fr>
17890
17891 * data/bison.simple (m4_if): Don't output empty enums.
17892 And actually, output valid enum definitions :(.
17893
17894 2002-05-03 Akim Demaille <akim@epita.fr>
17895
17896 * configure.bat: Remove, completely obsolete.
17897 * Makefile.am (EXTRA_DIST): Adjust.
17898 Don't distribute config.rpath...
17899 * config/Makefile.am (EXTRA_DIST): Do it.
17900
17901 2002-05-03 Akim Demaille <akim@epita.fr>
17902
17903 * configure.in (GETTEXT_VERSION): New.
17904 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
17905
17906 2002-05-03 Akim Demaille <akim@epita.fr>
17907
17908 * data/bison.simple (b4_token_enum): New.
17909 (b4_token_defines): Use it to output tokens both as #define and
17910 enums.
17911 Suggested by Paul Eggert.
17912 * src/output.c (token_definitions_output): Don't output spurious
17913 white spaces.
17914
17915 2002-05-03 Akim Demaille <akim@epita.fr>
17916
17917 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17918
17919 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
17920
17921 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
17922 Update the stack class, give a try to deque as the default container.
17923
17924 2002-05-02 Akim Demaille <akim@epita.fr>
17925
17926 * data/bison.simple (yyparse): Do not implement @$ = @1.
17927 (YYLLOC_DEFAULT): Adjust to do it.
17928 * doc/bison.texinfo (Location Default Action): Fix.
17929
17930 2002-05-02 Akim Demaille <akim@epita.fr>
17931
17932 * src/reader.c (parse_braces): Merge into...
17933 (parse_action): this.
17934
17935 2002-05-02 Akim Demaille <akim@epita.fr>
17936
17937 * configure.in (ALL_LINGUAS): Remove.
17938 * po/LINGUAS, hr.po: New.
17939
17940 2002-05-02 Akim Demaille <akim@epita.fr>
17941
17942 Remove the so called hairy (semantic) parsers.
17943
17944 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
17945 * src/gram.h, src/gram.c (semantic_parser): Remove.
17946 (rule_t): Remove the guard and guard_line members.
17947 * src/lex.h (token_t): remove tok_guard.
17948 * src/options.c (option_table): Remove %guard and %semantic_parser
17949 support.
17950 * src/output.c, src/output.h (guards_output): Remove.
17951 (prepare): Adjust.
17952 (token_definitions_output): Don't output the `T'
17953 tokens (???).
17954 (output_skeleton): Don't output the guards.
17955 * src/files.c, src/files.c (attrsfile): Remove.
17956 * src/reader.c (symbol_list): Remove the guard and guard_line
17957 members.
17958 Adjust dependencies.
17959 (parse_guard): Remove.
17960 * data/bison.hairy: Remove.
17961 * doc/bison.texinfo (Environment Variables): Remove occurrences of
17962 BISON_HAIRY.
17963
17964 2002-05-02 Akim Demaille <akim@epita.fr>
17965
17966 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
17967 (parse_guard): Rename the formal argument `stack_offset' as
17968 `rule_length', which is more readable.
17969 Adjust callers.
17970 (copy_at, copy_dollar): Instead of outputting the hard coded
17971 values of $$, $n and so forth, output invocation to b4_lhs_value,
17972 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
17973 Note: this patch partially drops `semantic-parser' support: it
17974 always does `rule_length - n', where semantic parsers ought to
17975 always use `-n'.
17976 * data/bison.simple, data/bison.c++ (b4_lhs_value)
17977 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
17978
17979 2002-05-02 Akim Demaille <akim@epita.fr>
17980
17981 * configure.in (AC_INIT): Bump to 1.49b.
17982 (AM_INIT_AUTOMAKE): Short invocation.
17983
17984 2002-05-02 Akim Demaille <akim@epita.fr>
17985
17986 Version 1.49a.
17987
17988 2002-05-01 Akim Demaille <akim@epita.fr>
17989
17990 * src/skeleton.h: Remove.
17991
17992 2002-05-01 Akim Demaille <akim@epita.fr>
17993
17994 * src/skeleton.h: Fix the #endif.
17995 Reported by Magnus Fromreide.
17996
17997 2002-04-26 Paul Eggert <eggert@twinsun.com>
17998
17999 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
18000 Define if we define YYSTYPE and YYLTYPE, respectively.
18001 (YYCOPY): Fix [] quoting problem in the non-GCC case.
18002
18003 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
18004
18005 * src/scan-skel.l: Postprocess quadrigraphs.
18006
18007 * src/reader.c (copy_character): New function, used to output
18008 single characters while replacing `[' and `]' with quadrigraphs, to
18009 avoid troubles with M4 quotes.
18010 (copy_comment): Output characters with copy_character.
18011 (read_additionnal_code): Likewise.
18012 (copy_string2): Likewise.
18013 (copy_definition): Likewise.
18014
18015 * tests/calc.at: Exercise M4 quoting.
18016
18017 2002-04-25 Akim Demaille <akim@epita.fr>
18018
18019 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
18020 between `!' and the command.
18021 Reported by Paul Eggert.
18022
18023 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
18024
18025 * tests/calc.at: Exercise prologue splitting.
18026
18027 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
18028 `b4_post_prologue' instead of `b4_prologue'.
18029
18030 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
18031 muscles.
18032 (output): Free pre_prologue_obstack and post_prologue_obstack.
18033 * src/files.h, src/files.c (attrs_obstack): Remove.
18034 (pre_prologue_obstack, post_prologue_obstack): New.
18035 * src/reader.c (copy_definition): Add a parameter to specify the
18036 obstack to fill, instead of using attrs_obstack unconditionally.
18037 (read_declarations): Pass pre_prologue_obstack to copy_definition if
18038 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
18039
18040 2002-04-23 Paul Eggert <eggert@twinsun.com>
18041
18042 * data/bison.simple: Remove unnecessary commentary and white
18043 space differences from 1_29-branch.
18044 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
18045
18046 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
18047 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
18048 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
18049 constructors or destructors.
18050
18051 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
18052
18053 2002-04-23 Akim Demaille <akim@epita.fr>
18054
18055 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
18056 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
18057 location with columns.
18058 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
18059 All reported by Paul Eggert.
18060
18061 2002-04-22 Akim Demaille <akim@epita.fr>
18062
18063 * src/reduce.c (dump_grammar): Move to...
18064 * src/gram.h, src/gram.c (grammar_dump): here.
18065 Be sure to separate long item numbers.
18066 Don't read the members of a rule's prec if its nil.
18067
18068 2002-04-22 Akim Demaille <akim@epita.fr>
18069
18070 * src/output.c (table_size, table_grow): New.
18071 (MAXTABLE): Remove, replace uses with table_size.
18072 (pack_vector): Instead of dying when the table is too big, grow it.
18073
18074 2002-04-22 Akim Demaille <akim@epita.fr>
18075
18076 * data/bison.simple (yyr1): Its type is that of a token number.
18077 * data/bison.c++ (r1_): Likewise.
18078 * tests/regression.at (Web2c Actions): Adjust.
18079
18080 2002-04-22 Akim Demaille <akim@epita.fr>
18081
18082 * src/reader.c (token_translations_init): 256 is now the default
18083 value for the error token, i.e., it will be assigned another
18084 number if the user assigned 256 to one of her tokens.
18085 (reader): Don't force 256 to error.
18086 * doc/bison.texinfo (Symbols): Adjust.
18087 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
18088 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
18089 etc. instead of 10, 20, 30 (which was used to `jump' over error
18090 (256) and undefined (2)).
18091
18092 2002-04-22 Akim Demaille <akim@epita.fr>
18093
18094 Propagate more token_number_t.
18095
18096 * src/gram.h (token_number_as_item_number)
18097 (item_number_as_token_number): New.
18098 * src/output.c (GENERATE_OUTPUT_TABLE): New.
18099 Use it to create output_item_number_table and
18100 output_token_number_table.
18101 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
18102 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
18103 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
18104 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
18105
18106 2002-04-22 Akim Demaille <akim@epita.fr>
18107
18108 * src/output.h, src/output.c (get_lines_number): Remove.
18109
18110 2002-04-19 Akim Demaille <akim@epita.fr>
18111
18112 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
18113 as Lex/Flex'.
18114 (Debugging): More details about enabling the debugging features.
18115 (Table of Symbols): Describe $$, $n, @$, and @n.
18116 Suggested by Tim Josling.
18117
18118 2002-04-19 Akim Demaille <akim@epita.fr>
18119
18120 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
18121
18122 2002-04-10 Akim Demaille <akim@epita.fr>
18123
18124 * src/system.h: Rely on HAVE_LIMITS_H.
18125 Suggested by Paul Eggert.
18126
18127 2002-04-09 Akim Demaille <akim@epita.fr>
18128
18129 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
18130 full stderr, and strip it according to the bison options, instead
18131 of composing the error message from different bits.
18132 This makes it easier to check for several error messages.
18133 Adjust all the invocations.
18134 Add an invocation exercising the error token.
18135 Add an invocation demonstrating a stupid error message.
18136 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
18137 Adjust the tests.
18138 Error message are for stderr, not stdout.
18139
18140 2002-04-09 Akim Demaille <akim@epita.fr>
18141
18142 * src/gram.h, src/gram.c (error_token_number): Remove, use
18143 errtoken->number.
18144 * src/reader.c (reader): Don't specify the user token number (2)
18145 for $undefined, as it uselessly prevents using it.
18146 * src/gram.h (token_number_t): Move to...
18147 * src/symtab.h: here.
18148 (state_t.number): Is a token_number_t.
18149 * src/print.c, src/reader.c: Use undeftoken->number instead of
18150 hard coded 2.
18151 (Even though this 2 is not the same as above: the number of the
18152 undeftoken remains being 2, it is its user token number which
18153 might not be 2).
18154 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
18155 `user_token_number_max'.
18156 Output `undef_token_number'.
18157 * data/bison.simple, data/bison.c++: Use them.
18158 Be sure to map invalid yylex return values to
18159 `undef_token_number'. This saves us from gratuitous SEGV.
18160
18161 * tests/conflicts.at (Solved SR Conflicts)
18162 (Unresolved SR Conflicts): Adjust.
18163 * tests/regression.at (Web2c Actions): Adjust.
18164
18165 2002-04-08 Akim Demaille <akim@epita.fr>
18166
18167 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
18168 Adding #line.
18169 Remove the duplicate `typedefs'.
18170 (RhsNumberType): Fix the declaration and various other typos.
18171 Use __ofile__.
18172 * data/bison.simple: Use __ofile__.
18173 * src/scan-skel.l: Handle __ofile__.
18174
18175 2002-04-08 Akim Demaille <akim@epita.fr>
18176
18177 * src/gram.h (item_number_t): New, the type of item numbers in
18178 RITEM. Note that it must be able to code symbol numbers as
18179 positive number, and the negation of rule numbers as negative
18180 numbers.
18181 Adjust all dependencies (pretty many).
18182 * src/reduce.c (rule): Remove this `short *' pointer: use
18183 item_number_t.
18184 * src/system.h (MINSHORT, MAXSHORT): Remove.
18185 Include `limits.h'.
18186 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
18187 (shortcpy): Remove.
18188 (MAXTABLE): Move to...
18189 * src/output.c (MAXTABLE): here.
18190 (prepare_rules): Use output_int_table to output rhs.
18191 * data/bison.simple, data/bison.c++: Adjust.
18192 * tests/torture.at (Big triangle): Move the limit from 254 to
18193 500.
18194 * tests/regression.at (Web2c Actions): Ajust.
18195
18196 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
18197 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
18198 passes, but produces negative #line number, once fixed, GCC is
18199 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
18200 C), it passes.
18201 * src/state.h (state_h): Code input lines on ints, not shorts.
18202
18203 2002-04-08 Akim Demaille <akim@epita.fr>
18204
18205 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
18206 and then the grammar.
18207
18208 2002-04-08 Akim Demaille <akim@epita.fr>
18209
18210 * src/system.h: No longer using strndup.
18211
18212 2002-04-07 Akim Demaille <akim@epita.fr>
18213
18214 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
18215 * src/output.c (output_table_data): Return the longest number.
18216 (prepare_tokens): Output `token_number_max').
18217 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
18218 New.
18219 Use them to define yy_token_number_type/TokenNumberType.
18220 Use this type for yytranslate.
18221 * tests/torture.at (Big triangle): Push the limit from 124 to
18222 253.
18223 * tests/regression.at (Web2c Actions): Adjust.
18224
18225 2002-04-07 Akim Demaille <akim@epita.fr>
18226
18227 * tests/torture.at (Big triangle): New.
18228 (GNU AWK Grammar, GNU Cim Grammar): Move to...
18229 * tests/existing.at: here.
18230
18231 2002-04-07 Akim Demaille <akim@epita.fr>
18232
18233 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
18234 nritems.
18235 Adjust dependencies.
18236
18237 2002-04-07 Akim Demaille <akim@epita.fr>
18238
18239 * src/reader.c: Normalize increments to prefix form.
18240
18241 2002-04-07 Akim Demaille <akim@epita.fr>
18242
18243 * src/reader.c, symtab.c: Remove debugging code.
18244
18245 2002-04-07 Akim Demaille <akim@epita.fr>
18246
18247 Rename all the `bucket's as `symbol_t'.
18248
18249 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
18250 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
18251 * src/symtab.c, src/symtab.h (bucket): Rename as...
18252 (symbol_t): this.
18253 (symbol_list_new, bucket_check_defined, bucket_make_alias)
18254 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
18255 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
18256 (buckets_new, buckets_free, buckets_do): Rename as...
18257 (symbol_list_new, symbol_check_defined, symbol_make_alias)
18258 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
18259 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
18260 (symbols_new, symbols_free, symbols_do): these.
18261
18262 2002-04-07 Akim Demaille <akim@epita.fr>
18263
18264 Use lib/hash for the symbol table.
18265
18266 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
18267 EOF.
18268 * src/lex.c (lex): Set the `number' member of new terminals.
18269 * src/reader.c (bucket_check_defined, bucket_make_alias)
18270 (bucket_check_alias_consistence, bucket_translation): New.
18271 (reader, grammar_free, readgram, token_translations_init)
18272 (packsymbols): Adjust.
18273 (reader): Number the predefined tokens.
18274 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
18275 for predefined tokens.
18276 * src/symtab.h (bucket): Remove all the hash table related
18277 members.
18278 * src/symtab.c (symtab): Replace by...
18279 (bucket_table): this.
18280 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
18281 (buckets_new, buckets_do): New.
18282
18283 2002-04-07 Akim Demaille <akim@epita.fr>
18284
18285 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
18286 (start_symbol, max_user_token_number, semantic_parser)
18287 (error_token_number): Initialize.
18288 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
18289 Initialize.
18290 (reader): Don't.
18291 (errtoken, eoftoken, undeftoken, axiom): Extern.
18292
18293 2002-04-07 Akim Demaille <akim@epita.fr>
18294
18295 * src/gram.h (rule_s): prec and precsym are now pointers
18296 to the bucket giving the priority/associativity.
18297 Member `associativity' removed: useless.
18298 * src/reduce.c, src/conflicts.c: Adjust.
18299
18300 2002-04-07 Akim Demaille <akim@epita.fr>
18301
18302 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
18303 Properly escape the symbols' TAG when outputting them.
18304
18305 2002-04-07 Akim Demaille <akim@epita.fr>
18306
18307 * src/lalr.h (LA): Is a bitsetv, not bitset*.
18308
18309 2002-04-07 Akim Demaille <akim@epita.fr>
18310
18311 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
18312 (LArule): this, which is an array to rule_t*.
18313 * src/print.c, src/conflicts.c: Adjust.
18314
18315 2002-04-07 Akim Demaille <akim@epita.fr>
18316
18317 * src/gram.h (rule_t): Rename `number' as `user_number'.
18318 `number' is a new member.
18319 Adjust dependencies.
18320 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
18321
18322 2002-04-07 Akim Demaille <akim@epita.fr>
18323
18324 As a result of the previous patch, it is no longer needed
18325 to reorder ritem itself.
18326
18327 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
18328
18329 2002-04-07 Akim Demaille <akim@epita.fr>
18330
18331 Be sure never to walk through RITEMS, but use only data related to
18332 the rules themselves. RITEMS should be banished.
18333
18334 * src/output.c (output_token_translations): Rename as...
18335 (prepare_tokens): this.
18336 In addition to `translate', prepare the muscles `tname' and
18337 `toknum', which were handled by...
18338 (output_rule_data): this.
18339 Remove, and move the remainder of its outputs into...
18340 (prepare_rules): this new routines, which also merges content from
18341 (output_gram): this.
18342 (prepare_rules): Be sure never to walk through RITEMS.
18343 (output_stos): Rename as...
18344 (prepare_stos): this.
18345 (output): Always invoke prepare_states, after all, just don't use it
18346 in the output if you don't need it.
18347
18348 2002-04-07 Akim Demaille <akim@epita.fr>
18349
18350 * src/LR0.c (new_state): Display `nstates' as the name of the
18351 newly created state.
18352 Adjust to initialize first_state and last_state if needed.
18353 Be sure to distinguish the initial from the final state.
18354 (new_states): Create the itemset of the initial state, and use
18355 new_state.
18356 * src/closure.c (closure): Now that the initial state has its
18357 items properly set, there is no need for a special case when
18358 creating `ruleset'.
18359
18360 As a result, now the rule 0, reducing to $axiom, is visible in the
18361 outputs. Adjust the test suite.
18362
18363 * tests/conflicts.at (Solved SR Conflicts)
18364 (Unresolved SR Conflicts): Adjust.
18365 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
18366 * tests/conflicts.at (S/R in initial): New.
18367
18368 2002-04-07 Akim Demaille <akim@epita.fr>
18369
18370 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
18371 the RHS of the rules.
18372 * src/output.c (output_gram): Likewise.
18373
18374 2002-04-07 Akim Demaille <akim@epita.fr>
18375
18376 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
18377 bucket.
18378 Adjust all dependencies.
18379 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
18380 `number' of the buckets too.
18381 * src/gram.h: Include `symtab.h'.
18382 (associativity): Move to...
18383 * src/symtab.h: here.
18384 No longer include `gram.h'.
18385
18386 2002-04-07 Akim Demaille <akim@epita.fr>
18387
18388 * src/gram.h, src/gram.c (rules_rhs_length): New.
18389 (ritem_longest_rhs): Use it.
18390 * src/gram.h (rule_t): `number' is a new member.
18391 * src/reader.c (packgram): Set it.
18392 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
18393 the end of `rules', and count them out of `nrules'.
18394 (reduce_output, dump_grammar): Adjust.
18395 * src/print.c (print_grammar): It is no longer needed to check for
18396 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
18397 * tests/reduce.at (Reduced Automaton): New test.
18398
18399 2002-04-07 Akim Demaille <akim@epita.fr>
18400
18401 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
18402 lacking `+ 1' to nrules, Bison reported as useless a token if it
18403 was used solely to set the precedence of the last rule...
18404
18405 2002-04-07 Akim Demaille <akim@epita.fr>
18406
18407 * data/bison.c++, data/bison.simple: Don't output the current file
18408 name in #line, to avoid useless diffs between two identical
18409 outputs under different names.
18410
18411 2002-04-07 Akim Demaille <akim@epita.fr>
18412
18413 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
18414 Normalize loops to using `< nrules + 1', not `<= nrules'.
18415
18416 2002-04-07 Akim Demaille <akim@epita.fr>
18417
18418 * TODO: Update.
18419
18420 2002-04-07 Akim Demaille <akim@epita.fr>
18421
18422 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
18423 bucket.value as bucket.number.
18424
18425 2002-04-07 Akim Demaille <akim@epita.fr>
18426
18427 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
18428 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
18429 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
18430 RHS, instead of being an index in RITEMS.
18431
18432 2002-04-04 Paul Eggert <eggert@twinsun.com>
18433
18434 * doc/bison.texinfo: Update copyright date.
18435 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
18436 (Symbols): Warn about running Bison in one character set,
18437 but compiling and/or running in an incompatible one.
18438 Warn about character code 256, too.
18439
18440 2002-04-03 Paul Eggert <eggert@twinsun.com>
18441
18442 * src/bison.data (YYSTACK_ALLOC): Depend on whether
18443 YYERROR_VERBOSE is nonzero, not whether it is defined.
18444
18445 Merge changes from bison-1_29-branch.
18446
18447 2002-03-20 Paul Eggert <eggert@twinsun.com>
18448
18449 Merge fixes from Debian bison_1.34-1.diff.
18450
18451 * configure.in (AC_PREREQ): 2.53.
18452
18453 2002-03-20 Akim Demaille <akim@epita.fr>
18454
18455 * src/conflicts.c (log_resolution): Argument `resolution' is const.
18456
18457 2002-03-19 Paul Eggert <eggert@twinsun.com>
18458
18459 * src/bison.simple (YYCOPY): New macro.
18460 (YYSTACK_RELOCATE): Use it.
18461 Remove Type arg; no longer needed. All callers changed.
18462 (yymemcpy): Remove; no longer needed.
18463
18464 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
18465 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
18466
18467 2002-03-19 Akim Demaille <akim@epita.fr>
18468
18469 Test and fix the #line outputs.
18470
18471 * tests/atlocal.at (GCC): New.
18472 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
18473 (Prologue synch line, %union synch line, Postprologue synch line)
18474 (Action synch line, Epilogue synch line): New tests.
18475 * src/reader.c (parse_union_decl): Define the muscle stype_line.
18476 * data/bison.simple, data/bison.c++: Use it.
18477
18478 2002-03-19 Akim Demaille <akim@epita.fr>
18479
18480 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
18481 (Solved SR Conflicts, %expect not enough, %expect right)
18482 (%expect too much): Move to...
18483 * tests/conflicts.at: this new file.
18484
18485 2002-03-19 Akim Demaille <akim@epita.fr>
18486
18487 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
18488 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
18489 that we can move to enums for instance.
18490 * src/output.c (token_definitions_output): Output a list of
18491 `token-name, token-number' instead of the #define.
18492 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
18493
18494 2002-03-14 Akim Demaille <akim@epita.fr>
18495
18496 Use Gettext 0.11.1.
18497
18498 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
18499
18500 * data/bison.c++: Make the user able to add members to the generated
18501 parser by subclassing.
18502
18503 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
18504
18505 * src/reader.c (read_additionnal_code): `c' should be an integer, not
18506 a character.
18507 Reported by Nicolas Tisserand and Nicolas Burrus.
18508
18509 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18510
18511 * src/reader.c: Warn about lacking semi-colons, do not complain.
18512
18513 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18514
18515 * data/bison.c++: Remove a debug line.
18516
18517 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18518
18519 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
18520 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
18521 provide a default implementation.
18522
18523 2002-03-04 Akim Demaille <akim@epita.fr>
18524
18525 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
18526 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
18527 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
18528 * tests/semantic.at (Parsing Guards): Similarly.
18529 * src/reader.at (readgram): Complain if the last rule is not ended
18530 with a semi-colon.
18531
18532 2002-03-04 Akim Demaille <akim@epita.fr>
18533
18534 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
18535 * src/closure.c: here.
18536 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
18537 RTC.
18538 * src/warshall.h, src/warshall.c: Remove.
18539 * tests/sets.at (Broken Closure): Adjust.
18540
18541 2002-03-04 Akim Demaille <akim@epita.fr>
18542
18543 * src/output.c (output_skeleton): tempdir is const.
18544 bytes_read is unused.
18545
18546 2002-03-04 Akim Demaille <akim@epita.fr>
18547
18548 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
18549 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
18550 Update.
18551 From Michael Hayes.
18552
18553 2002-03-04 Akim Demaille <akim@epita.fr>
18554
18555 * src/closure.c (closure): `r' is unused.
18556
18557 2002-03-04 Akim Demaille <akim@epita.fr>
18558
18559 * tests/sets.at (Broken Closure): Add the ending `;'.
18560 * src/reader.at (readgram): Complain if a rule is not ended with a
18561 semi-colon.
18562
18563 2002-03-04 Akim Demaille <akim@epita.fr>
18564
18565 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
18566 (count_sr_conflicts): Use bitset_count.
18567 * src/reduce.c (inaccessable_symbols): Ditto.
18568 (bits_size): Remove.
18569 * src/warshall.h, src/warshall.c: Convert to bitsetv.
18570
18571 2002-03-04 Akim Demaille <akim@epita.fr>
18572
18573 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
18574 * src/reduce.c: Remove the `bitset_zero's following the
18575 `bitset_create's, as now it is performed by the latter.
18576
18577 2002-03-04 Akim Demaille <akim@epita.fr>
18578
18579 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
18580 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
18581 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
18582 latest sources from Michael.
18583
18584 2002-03-04 Akim Demaille <akim@epita.fr>
18585
18586 * src/output.c (output): Don't free the grammar.
18587 * src/reader.c (grammar_free): New.
18588 * src/main.c (main): Call it and don't free symtab here.
18589
18590 2002-03-04 Akim Demaille <akim@epita.fr>
18591
18592 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
18593 before returning.
18594 Reported by Benoit Perrot.
18595
18596 2002-03-04 Akim Demaille <akim@epita.fr>
18597
18598 Use bitset operations when possible, not loops over bits.
18599
18600 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
18601 bitset_or.
18602 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
18603 * src/reduce.c (useless_nonterminals): Formatting changes.
18604 * src/warshall.c (TC): Use bitset_or.
18605
18606 2002-03-04 Akim Demaille <akim@epita.fr>
18607
18608 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
18609 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
18610 Ditto.
18611
18612 2002-03-04 Akim Demaille <akim@epita.fr>
18613
18614 * src/lalr.c (F): Now a bitset*.
18615 Adjust all dependencies.
18616
18617 2002-03-04 Akim Demaille <akim@epita.fr>
18618
18619 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
18620 Adjust all dependencies.
18621
18622 2002-03-04 Akim Demaille <akim@epita.fr>
18623
18624 * src/L0.c, src/LR0.h (nstates): Be size_t.
18625 Adjust comparisons (signed vs unsigned).
18626 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
18627 bitset*.
18628 Adjust all dependencies.
18629
18630 2002-03-04 Akim Demaille <akim@epita.fr>
18631
18632 * src/closure.c (firsts): Now, also a bitset.
18633 Adjust all dependencies.
18634 (varsetsize): Remove, now unused.
18635 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
18636
18637 2002-03-04 Akim Demaille <akim@epita.fr>
18638
18639 * src/print.c: Convert to use bitset.h, not hand coded iterations
18640 over ints.
18641
18642 2002-03-04 Akim Demaille <akim@epita.fr>
18643
18644 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
18645
18646 2002-03-04 Akim Demaille <akim@epita.fr>
18647
18648 * src/closure.c (ruleset): Be a bitset.
18649 (rulesetsize): Remove.
18650
18651 2002-03-04 Akim Demaille <akim@epita.fr>
18652
18653 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
18654 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
18655 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
18656 * src/closure.c (fderives): Be an array of bitsets.
18657
18658 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
18659
18660 * data/bison.c++: Merge the two generated headers. Insert a copyright
18661 notice in each output file.
18662
18663 2002-02-28 Akim Demaille <akim@epita.fr>
18664
18665 * data/bison.c++: Copy the prologue of bison.simple to fetch
18666 useful M4 definitions, such as b4_header_guard.
18667
18668 2002-02-25 Akim Demaille <akim@epita.fr>
18669
18670 * src/getargs.c (version): Give the name of the authors, and use a
18671 translator friendly scheme for the bgr
18672 copyright notice.
18673
18674 2002-02-25 Akim Demaille <akim@epita.fr>
18675
18676 * src/output.c (header_output): Remove, now handled completely via
18677 M4.
18678
18679 2002-02-25 Akim Demaille <akim@epita.fr>
18680
18681 * m4/m4.m4: New, from CVS Autoconf.
18682 * configure.in: Invoke it.
18683 * src/output.c (output_skeleton): Use its result instead of the
18684 hard coded name.
18685
18686 2002-02-25 Akim Demaille <akim@epita.fr>
18687
18688 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
18689 Fileutils 4.1.5.
18690 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
18691 * src/output.c (output_skeleton): Use mkstemp to create a real
18692 temporary file.
18693 Move the filling of `skeleton' and its muscle to...
18694 (prepare): here.
18695 (output): Move the definition of the prologue muscle to...
18696 (prepare): here.
18697 * src/system.h (DEFAULT_TMPDIR): New.
18698
18699 2002-02-14 Paul Eggert <eggert@twinsun.com>
18700
18701 Remove the support for C++ namespace cleanliness; it was
18702 causing more problems than it was curing, since it didn't work
18703 properly on some nonstandard C++ compilers. This can wait
18704 for a proper C++ parser.
18705
18706 * NEWS: Document this.
18707 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
18708 of C++, as it's treated like C now.
18709 * src/bison.simple (YYSTD): Remove.
18710 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
18711 Treat C++ just like Standard C instead of trying to support
18712 namespace cleanliness.
18713
18714 2002-02-14 Akim Demaille <akim@epita.fr>
18715
18716 * tests/regression.at (else): Adjust to Andreas' change.
18717
18718 2002-02-14 Akim Demaille <akim@epita.fr>
18719
18720 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
18721
18722 2002-02-13 Andreas Schwab <schwab@suse.de>
18723
18724 * src/output.c (output_rule_data): Don't output NULL, it might
18725 not be defined yet.
18726
18727 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
18728
18729 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
18730 (Copyright notice): Update.
18731
18732 2002-02-11 Akim Demaille <akim@epita.fr>
18733
18734 * tests/regression.at (%nonassoc and eof): Don't include
18735 nonportable headers.
18736
18737 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
18738
18739 * data/bison.c++: Correct error recovery. Make the user able to
18740 initialize the starting location.
18741
18742 2002-02-07 Akim Demaille <akim@epita.fr>
18743
18744 * tests/input.at: New.
18745
18746 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18747
18748 * data/bison.c++: Replace some direct m4 expansions by constants. Be
18749 more consistent when naming methods and variables. Put preprocessor
18750 directives around tables only needed for debugging.
18751
18752 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18753
18754 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
18755 C++ parsers.
18756 (yy::b4_name::parse): Use print_.
18757
18758 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18759
18760 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
18761
18762 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18763
18764 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
18765 C++ parsers.
18766 (yy::b4_name::parse): Build verbose error messages, and use error_.
18767
18768 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
18769
18770 * data/bison.c++: Fix m4 quoting in comments.
18771
18772 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
18773
18774 * data/bison.c++: Adjust the parser code. Fix some muscles that were
18775 not expanded by m4.
18776
18777 2002-02-05 Akim Demaille <akim@epita.fr>
18778
18779 * data/bison.c++: Adjust to the M4 back end.
18780 More is certainly needed.
18781
18782 2002-02-05 Akim Demaille <akim@epita.fr>
18783
18784 Give a try to M4 as a back end.
18785
18786 * lib/readpipe.c: New, from wdiff.
18787 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
18788 BISON_HAIRY.
18789 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
18790 specific values. Now it is m4 that performs the lookup.
18791 * src/parse-skel.y: Remove.
18792 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
18793 * src/output.c (actions_output, guards_output)
18794 (token_definitions_output): No longer keeps track of the output
18795 line number, hence remove the second argument.
18796 (guards_output): Check against the guard member of a rule, not the
18797 action member.
18798 Adjust callers.
18799 (output_skeleton): Don't look for the skeleton location, let m4 do
18800 that.
18801 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
18802 file will be used.
18803 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
18804 (prepare): Given that for the time being changesyntax is not
18805 usable in M4, rename the muscles using `-' to `_'.
18806 Define `defines_flag', `output_parser_name' and `output_header_name'.
18807 * src/output.h (actions_output, guards_output)
18808 (token_definitions_output): Adjust prototypes.
18809 * src/scan-skel.l: Instead of scanning the skeletons, it now
18810 processes the output of m4: `__oline__' and `#output'.
18811 * data/bison.simple: Adjust to be used by M4(sugar).
18812 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
18813 to date.
18814 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
18815 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
18816 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
18817 shamelessly stolen from CVS Autoconf.
18818
18819 2002-02-05 Akim Demaille <akim@epita.fr>
18820
18821 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
18822 * configure.in: Check for the declarations of free and malloc.
18823 * src/muscle_tab.c: Adjust.
18824
18825 2002-02-05 Akim Demaille <akim@epita.fr>
18826
18827 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
18828 which have no values.
18829
18830 2002-02-05 Akim Demaille <akim@epita.fr>
18831
18832 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
18833 * data/: here.
18834
18835 2002-01-29 Paul Eggert <eggert@twinsun.com>
18836
18837 * src/bison.simple (YYSIZE_T): Do not define merely because
18838 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
18839 On some platforms, <alloca.h> does not declare YYSTD (size_t).
18840
18841 2002-01-27 Akim Demaille <akim@epita.fr>
18842
18843 Fix `%nonassoc and eof'.
18844
18845 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
18846 which were not properly copied! Replace
18847 memcpy (res->errs, src->errs, src->nerrs);
18848 with
18849 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
18850 !!!
18851 * tests/regression.at (%nonassoc and eof): Adjust to newest
18852 Autotest: `.' is not in the PATH.
18853
18854 2002-01-27 Akim Demaille <akim@epita.fr>
18855
18856 * tests/sets.at (AT_EXTRACT_SETS): New.
18857 (Nullable): Use it.
18858 (Firsts): New.
18859
18860 2002-01-26 Akim Demaille <akim@epita.fr>
18861
18862 * tests/actions.at, tests/calc.at, tests/headers.at,
18863 * tests/torture.at: Adjust to the newest Autotest which no longer
18864 forces `.' in the PATH.
18865
18866 2002-01-25 Akim Demaille <akim@epita.fr>
18867
18868 * tests/regression.at (%nonassoc and eof): New.
18869 Suggested by Robert Anisko.
18870
18871 2002-01-24 Akim Demaille <akim@epita.fr>
18872
18873 Bison dumps core when trying to complain about broken input files.
18874 Reported by Cris van Pelt.
18875
18876 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
18877 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
18878 into...
18879 (Invalid inputs): Strengthen: exercise parse_percent_token.
18880
18881 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
18882
18883 * src/Makefile.am: Add bison.c++.
18884 * src/bison.c++: New skeleton.
18885
18886 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
18887
18888 * po/it.po: New.
18889
18890 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
18891
18892 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
18893
18894 2002-01-20 Marc Autret <marc@gnu.org>
18895
18896 * src/files.c (compute_output_file_names): Fix
18897
18898 2002-01-20 Marc Autret <marc@gnu.org>
18899
18900 * tests/output.at: New test.
18901 * src/files.c (compute_base_names): Don't map extensions when
18902 the YACC flag is set, use defaults.
18903 Reported by Evgeny Stambulchik.
18904
18905 2002-01-20 Marc Autret <marc@gnu.org>
18906
18907 * src/system.h: Need to define __attribute__ away for non-GCC
18908 compilers as well (i.e., the vendor C compiler).
18909 Suggested by Albert Chin-A-Young.
18910
18911 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
18912
18913 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
18914 canonical definition.
18915 * src/system.h: Use the canonical definition for PARAMS (avoids
18916 a conflict with the macro from lib/hash.h).
18917
18918 2002-01-11 Akim Demaille <akim@epita.fr>
18919
18920 * configure.in: Use AC_FUNC_STRNLEN.
18921 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
18922
18923 2002-01-09 Akim Demaille <akim@epita.fr>
18924
18925 * src/files.c, src/files.h (output_infix): New.
18926 (tab_extension): Remove.
18927 (compute_base_names): Compute the former, drop the latter.
18928 * src/output.c (prepare): Insert the muscles `output-infix', and
18929 `output-suffix'.
18930 * src/parse-skel.y (string, string.1): New.
18931 (section.header): Use it.
18932 (section.yacc): Remove.
18933 (prefix): Remove too.
18934 * src/scan-skel.l: Adjust.
18935 * src/bison.simple, src/bison.hairy: Adjust.
18936
18937 2002-01-09 Akim Demaille <akim@epita.fr>
18938
18939 * configure.in (WERROR_CFLAGS): Compute it.
18940 * src/Makefile.am (CFLAGS): Pass it.
18941 * tests/atlocal.in (CFLAGS): Idem.
18942 * src/files.c: Fix a few warnings.
18943 (get_extension_index): Remove, unused.
18944
18945 2002-01-08 Akim Demaille <akim@epita.fr>
18946
18947 * src/getargs.c (AS_FILE_NAME): New.
18948 (getargs): Use it to convert DOSish file names.
18949 * src/files.c (base_name): Rename as full_base_name to avoid
18950 clashes with `base_name ()'.
18951 (filename_split): New.
18952 (compute_base_names): N-th rewrite, using filename_split.
18953
18954 2002-01-08 Akim Demaille <akim@epita.fr>
18955
18956 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
18957 New, stolen from the Fileutils 4.1.
18958 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
18959 * configure.in: Check for the presence of memrchr, and of its
18960 prototype.
18961
18962 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
18963
18964 * lib/hash.h (__P): Added definition for this macro.
18965 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
18966 BUILT_SOURCES, to ensure they are generated first.
18967 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
18968 %error-verbose to allow bootstrapping with bison 1.30x.
18969
18970 2002-01-06 Akim Demaille <akim@epita.fr>
18971
18972 * src/reader.c (parse_braces): Don't fetch the next char, the
18973 convention is to fetch on entry.
18974 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
18975 'switch' without a following semicolon.
18976 * tests/regression.at (braces parsing): New.
18977
18978 2002-01-06 Akim Demaille <akim@epita.fr>
18979
18980 Bison is dead wrong in its RR conflict reports.
18981
18982 * tests/torture.at (GNU Cim Grammar): New.
18983 * src/conflicts.c (count_rr_conflicts): Fix.
18984
18985 2002-01-06 Akim Demaille <akim@epita.fr>
18986
18987 Creating package.m4 from configure.ac causes too many problems.
18988
18989 * tests/Makefile.am (package.m4): Create it by hand,
18990 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
18991
18992 2002-01-06 Akim Demaille <akim@epita.fr>
18993
18994 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
18995 skeleton.h.
18996
18997 2002-01-04 Paul Eggert <eggert@twinsun.com>
18998
18999 * doc/bison.texinfo (Debugging):
19000 Remove YYSTDERR; it's no longer defined or used.
19001 Also, s/cstdio.h/cstdio/.
19002
19003 2002-01-03 Akim Demaille <akim@epita.fr>
19004
19005 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
19006
19007 2002-01-03 Akim Demaille <akim@epita.fr>
19008
19009 * src/parse-skel.y (process_skeleton): Don't bind the parser's
19010 tracing code to --trace, wait for a better --trace option, with
19011 args.
19012
19013 2002-01-03 Akim Demaille <akim@epita.fr>
19014
19015 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
19016 The ISO C++ standard is extremely clear about it: stderr is
19017 considered a macro, not a regular symbol (see table 94 `Header
19018 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
19019 Therefore std:: does not apply to it. It still does with fprintf.
19020 Also, s/cstdio.h/cstdio/.
19021
19022 2002-01-03 Akim Demaille <akim@epita.fr>
19023
19024 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
19025 for non system headers.
19026
19027 2002-01-02 Akim Demaille <akim@epita.fr>
19028
19029 Equip the skeleton chain with location tracking, runtime trace,
19030 pure parser and scanner.
19031
19032 * src/parse-skel.y: Request a pure parser, locations, and prefix
19033 renaming.
19034 (%union): Having several members with the same type does not help
19035 type mismatches, simplify.
19036 (YYPRINT, yyprint): New.
19037 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
19038 (skel_error): this.
19039 Handle locations.
19040 * src/scan-skel.l: Adjust to these changes.
19041 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
19042 (LOCATION_PRINT, skel_control_t): New.
19043
19044 2001-12-30 Akim Demaille <akim@epita.fr>
19045
19046 * src/parse-skel.y: Get rid of the shift/reduce conflict:
19047 replace `gb' with BLANKS.
19048 * src/scan-skel.l: Adjust.
19049
19050 2001-12-30 Akim Demaille <akim@epita.fr>
19051
19052 * src/system.h: We don't need nor want bcopy.
19053 Throw away MS-DOS crap: we don't need getpid.
19054 * configure.in: We don't need strndup. It was even causing
19055 problems: because Flex includes the headers *before* us,
19056 _GNU_SOURCE is not defined by config.h, and therefore strndup was
19057 not visible.
19058 * lib/xstrndup.c: New.
19059 * src/scan-skel.l: Use it.
19060 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
19061 * src/parse-skel.y: Use %directives instead of #defines.
19062
19063 2001-12-30 Akim Demaille <akim@epita.fr>
19064
19065 * src/skeleton.h: New.
19066 * src/output.c (output_parser, output_master_parser): Remove, dead
19067 code.
19068 * src/output.h (get_lines_number, actions_output, guards_output)
19069 (token_definitions_output): Prototype them.
19070 * src/parse-skel.y: Add the license notice.
19071 Include output.h and skeleton.h.
19072 (process_skeleton): Returns void, and takes a single parameter.
19073 * src/scan-skel.l: Add the license notice.
19074 Include skeleton.h.
19075 Don't use %option yylineno: it seems that then Flex imagines
19076 REJECT has been used, and therefore it won't reallocate its
19077 buffers (which makes no other sense to me than a bug). It results
19078 in warnings for `unused: yy_flex_realloc'.
19079
19080 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
19081
19082 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
19083 (MUSCLE_INSERT_PREFIX): ...to there.
19084 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
19085 (MUSCLE_INSERT_PREFIX): Move from here...
19086
19087 * src/bison.hairy: Add a section directive. Put braces around muscle
19088 names. This parser skeleton is still broken, but Bison should not
19089 choke on a bad muscle 'syntax'.
19090 * src/bison.simple: Add a section directive. Put braces around muscle
19091 names.
19092
19093 * src/files.h (strsuffix, stringappend): Add declarations.
19094 (tab_extension): Add declaration.
19095 (short_base_name): Add declaration.
19096
19097 * src/files.c (strsuffix, stringappend): No longer static. These
19098 functions are used in the skeleton parser.
19099 (tab_extension): New.
19100 (compute_base_names): Use the computations done in this function
19101 to guess if the generated parsers should have '.tab' in their
19102 names.
19103 (short_base_name): No longer static.
19104
19105 * src/output.c (output_skeleton): New.
19106 (output): Disable call to output_master_parser, and give a try to
19107 a new skeleton handling system.
19108 (guards_output, actions_output): No longer static.
19109 (token_definitions_output, get_lines_number): No longer static.
19110
19111 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
19112
19113 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
19114 parse-skel.y.
19115
19116 * src/parse-skel.y: New file.
19117 * src/scan-skel.l: New file.
19118
19119 2001-12-29 Akim Demaille <akim@epita.fr>
19120
19121 %name-prefix is broken.
19122
19123 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
19124 Adjust all dependencies.
19125 * tests/headers.at (export YYLTYPE): Strengthen this test: use
19126 %name-prefix.
19127
19128 Renaming yylval but not yylloc is not consistent. Now we do.
19129
19130 * src/bison.simple: Prefix yylloc if used.
19131 * doc/bison.texinfo (Decl Summary): Document that.
19132
19133 2001-12-29 Akim Demaille <akim@epita.fr>
19134
19135 * doc/bison.texinfo: Promote `%long-directive' over
19136 `%long_directive'.
19137 Remove all references to fixed-output-files, yacc is enough.
19138
19139 2001-12-29 Akim Demaille <akim@epita.fr>
19140
19141 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
19142 user prologue. These are defaults.
19143 * tests/actions.at (Mid-rule actions): Make sure the user can
19144 define YYDEBUG and YYERROR_VERBOSE.
19145
19146 2001-12-29 Akim Demaille <akim@epita.fr>
19147
19148 * src/output.c (header_output): Don't forget to export YYLTYPE and
19149 yylloc.
19150 * tests/headers.at (export YYLTYPE): New, make sure it does.
19151 * tests/regression.at (%union and --defines, Invalid CPP headers):
19152 Move to...
19153 * tests/headers.at: here.
19154
19155 2001-12-29 Akim Demaille <akim@epita.fr>
19156
19157 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
19158
19159 2001-12-29 Akim Demaille <akim@epita.fr>
19160
19161 * tests/actions.at (Mid-rule actions): Output on a single line
19162 instead of several.
19163
19164 2001-12-29 Akim Demaille <akim@epita.fr>
19165
19166 * doc/bison.texinfo: Formatting changes.
19167
19168 2001-12-29 Akim Demaille <akim@epita.fr>
19169
19170 Don't store the token defs in a muscle, just be ready to output it
19171 on command. Now possible via `symbols'. Fixes a memory leak.
19172
19173 * src/output.c (token_definitions_output): New.
19174 (output_parser, header_output): Use it.
19175 * src/reader.c (symbols_save): Remove.
19176
19177 2001-12-29 Akim Demaille <akim@epita.fr>
19178
19179 * src/bison.simple: Do not provide a default for YYSTYPE and
19180 YYLTYPE before the user's prologue. Otherwise it's hardly... a
19181 default.
19182
19183 2001-12-29 Akim Demaille <akim@epita.fr>
19184
19185 Mid-rule actions are simply... ignored!
19186
19187 * src/reader.c (readgram): Be sure to attach mid-rule actions to
19188 the empty-rule associated to the dummy symbol, not to the host
19189 rule.
19190 * tests/actions.at (Mid-rule actions): New.
19191
19192 2001-12-29 Akim Demaille <akim@epita.fr>
19193
19194 Memory leak.
19195
19196 * src/reader.c (reader): Free grammar.
19197
19198 2001-12-29 Akim Demaille <akim@epita.fr>
19199
19200 Memory leak.
19201
19202 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
19203 since it allocates it for each state, although only one is needed.
19204 (allocate_storage): Do it here.
19205
19206 2001-12-29 Akim Demaille <akim@epita.fr>
19207
19208 * src/options.h, src/options.c (create_long_option_table): Rename
19209 as...
19210 (long_option_table_new): this, with a clearer prototype.
19211 (percent_table): Remove, unused,
19212 * src/getargs.c (getargs): Adjust.
19213
19214 2001-12-29 Akim Demaille <akim@epita.fr>
19215
19216 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
19217 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
19218 as states.
19219
19220 2001-12-29 Akim Demaille <akim@epita.fr>
19221
19222 * src/lalr.c (build_relations): Rename `states' as `states1'.
19223 Sorry, I don't understand exactly what it is, no better name...
19224
19225 2001-12-29 Akim Demaille <akim@epita.fr>
19226
19227 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
19228 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
19229 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
19230 as rules.
19231
19232 2001-12-29 Akim Demaille <akim@epita.fr>
19233
19234 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
19235 ago.
19236
19237 2001-12-29 Akim Demaille <akim@epita.fr>
19238
19239 * src/reader.c, src/reader.h (user_toknums): Remove.
19240 Adjust all users to use symbols[i]->user_token_number.
19241
19242 2001-12-29 Akim Demaille <akim@epita.fr>
19243
19244 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
19245 Adjust all users to use symbols[i]->prec or ->assoc.
19246
19247 2001-12-29 Akim Demaille <akim@epita.fr>
19248
19249 * src/reader.c, src/reader.h (tags): Remove.
19250 Adjust all users to use symbols[i]->tag.
19251
19252 2001-12-29 Akim Demaille <akim@epita.fr>
19253
19254 * src/gram.h, src/gram.c (symbols): New, similar to state_table
19255 and rule_table.
19256 * src/reader.c (packsymbols): Fill this table.
19257 Drop sprec.
19258 * src/conflicts.c (resolve_sr_conflict): Adjust.
19259 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
19260 single table.
19261 Use symbols[i]->tag instead of tags[i].
19262
19263 2001-12-29 Akim Demaille <akim@epita.fr>
19264
19265 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
19266 In addition, put a comment in there, to replace...
19267 * tests/regression.at (%union and C comments): Remove.
19268
19269 2001-12-29 Akim Demaille <akim@epita.fr>
19270
19271 * tests/regression.at (Web2c Actions): Blindly move the actual
19272 output as expected output. The contents *seem* right to me, but I
19273 can't pretend reading perfectly parser tables... Nonetheless, all
19274 the other tests pass correctly, the table look OK, even though the
19275 presence of `$axiom' is to be noted: AFAICS it is useless (but
19276 harmless).
19277
19278 2001-12-29 Akim Demaille <akim@epita.fr>
19279
19280 * src/reader.c (readgram): Don't add the rule 0 if there were no
19281 rules read. In other words, add it _after_ having performed
19282 grammar sanity checks.
19283 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
19284
19285 2001-12-29 Akim Demaille <akim@epita.fr>
19286
19287 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
19288 visible, and some states have now a different number.
19289
19290 2001-12-29 Akim Demaille <akim@epita.fr>
19291
19292 * src/reader.c (readgram): Bind the initial rule's lineno to that
19293 of the first rule.
19294 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
19295 (Solved SR Conflicts): Adjust rule 0's line number.
19296
19297 2001-12-29 Akim Demaille <akim@epita.fr>
19298
19299 Fix the `GAWK Grammar' failure.
19300
19301 * src/LR0.c (final_state): Initialize to -1 so that we do compute
19302 the reductions of the first state which was mistakenly confused
19303 with the final state because precisely final_state was initialized
19304 to 0.
19305 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
19306 now noticed by Bison.
19307 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
19308 have a reduction on $default.
19309
19310 2001-12-29 Akim Demaille <akim@epita.fr>
19311
19312 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
19313 rule line numbers.
19314 * src/closure.c (print_closure): Likewise.
19315 * src/derives.c (print_derives): Likewise.
19316 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
19317 now.
19318
19319 2001-12-29 Akim Demaille <akim@epita.fr>
19320
19321 * src/lalr.c (lookaheads_print): New.
19322 (lalr): Call it when --trace-flag.
19323 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
19324 are dumped.
19325
19326 2001-12-29 Akim Demaille <akim@epita.fr>
19327
19328 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
19329 when walking through ritem, even via rule->rhs.
19330 * src/reduce.c (dump_grammar, useful_production, reduce_output)
19331 (useful_production, useless_nonterminals): Likewise.
19332 (reduce_grammar_tables): Likewise, plus update nritems.
19333 * src/nullable.c (set_nullable): Likewise.
19334 * src/lalr.c (build_relations): Likewise.
19335 * tests/sets.at (Nullable): Adjust.
19336 Fortunately, now, the $axiom is no longer nullable.
19337
19338 2001-12-29 Akim Demaille <akim@epita.fr>
19339
19340 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
19341 the 0-sentinel.
19342 * src/gram.c (ritem_longest_rhs): Likewise.
19343 * src/reduce.c (nonterminals_reduce): Likewise.
19344 * src/print_graph.c (print_graph): Likewise.
19345 * src/output.c (output_rule_data): Likewise.
19346 * src/nullable.c (set_nullable): Likewise.
19347
19348 2001-12-29 Akim Demaille <akim@epita.fr>
19349
19350 * src/output.c: Comment changes.
19351
19352 2001-12-27 Paul Eggert <eggert@twinsun.com>
19353
19354 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
19355 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
19356 Sparc, as they were causing more porting problems than the
19357 (minor) performance improvement was worth.
19358
19359 Also, catch up with 1.31's YYSTD.
19360
19361 2001-12-27 Akim Demaille <akim@epita.fr>
19362
19363 * src/output.c (output_gram): Rely on nritems, not the
19364 0-sentinel. See below.
19365 Use -1 as separator, not 0.
19366 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
19367 Rely on -1 as separator in yyrhs, instead of 0.
19368 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
19369 twice `Now at end of input', therefore there are two lines less to
19370 expect.
19371
19372 2001-12-27 Akim Demaille <akim@epita.fr>
19373
19374 * tests/regression.at (Unresolved SR Conflicts):
19375 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
19376 below.
19377
19378 2001-12-27 Akim Demaille <akim@epita.fr>
19379
19380 * src/LR0.c (new_state): Recognize the final state by the fact it
19381 is reached by eoftoken.
19382 (insert_start_shifting_state, insert_eof_shifting_state)
19383 (insert_accepting_state, augment_automaton): Remove, since now
19384 these states are automatically computed from the initial state.
19385 (generate_states): Adjust.
19386 * src/print.c: When reporting a rule number to the user, subtract
19387 1, so that the axiom rule is rule 0, and the first user rule is 1.
19388 * src/reduce.c: Likewise.
19389 * src/print_graph.c (print_core): For the time being, just as for
19390 the report, depend upon --trace-flags to dump the full set of
19391 items.
19392 * src/reader.c (readgram): Once the grammar read, insert the rule
19393 0: `$axiom: START-SYMBOL $'.
19394 * tests/set.at: Adjust: rule 0 is now displayed, and since the
19395 number of the states has changed (the final state is no longer
19396 necessarily the last), catch up.
19397
19398 2001-12-27 Akim Demaille <akim@epita.fr>
19399
19400 Try to make the use of the eoftoken valid. Given that its value
19401 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
19402 is used instead of > 0 where appropriate, (ii), depend upon nritems
19403 instead of the 0-sentinel.
19404
19405 * src/gram.h, src/gram.c (nritems): New.
19406 Expected to be duplication of nitems, but for the time being...
19407 * src/reader.c (packgram): Assert nritems and nitems are equal.
19408 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
19409 * src/closure.c (print_closure, print_fderives): Likewise.
19410 * src/gram.c (ritem_print): Likewise.
19411 * src/print.c (print_core, print_grammar): Likewise.
19412 * src/print_graph.c: Likewise.
19413
19414 2001-12-27 Akim Demaille <akim@epita.fr>
19415
19416 * src/main.c (main): If there are complains after grammar
19417 reductions, then output the report anyway if requested, then die.
19418 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
19419 * src/reader.c (eoftoken): New.
19420 (parse_token_decl): If the token being defined has value `0', it
19421 is the eoftoken.
19422 (packsymbols): No longer hack `tags' to insert `$' by hand.
19423 Be sure to preserve the value of the eoftoken.
19424 (reader): Make sure eoftoken is defined.
19425 Initialize nsyms to 0: now eoftoken is created just like the others.
19426 * src/print.c (print_grammar): Don't special case the eof token.
19427 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
19428 lie anyway, albeit pleasant.
19429 * tests/calc.at: Exercise error messages with eoftoken.
19430 Change the grammar so that empty input is invalid.
19431 Adjust expectations.
19432 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
19433
19434 2001-12-27 Akim Demaille <akim@epita.fr>
19435
19436 * configure.in: Check the protos of strchr ans strspn.
19437 Replace strchr if needed.
19438 * src/system.h: Provide the protos of strchr, strspn and memchr if
19439 missing.
19440 * lib/strchr.c: New.
19441 * src/reader.c (symbols_save): Use strchr.
19442
19443 2001-12-27 Akim Demaille <akim@epita.fr>
19444
19445 * src/print.c, src/print_graph.c (escape): New.
19446 Use it to quote the TAGS outputs.
19447 * src/print_graph.c (print_state): Now errors are in red, and
19448 reductions in green.
19449 Prefer high to wide: output the state number on a line of its own.
19450
19451 2001-12-27 Akim Demaille <akim@epita.fr>
19452
19453 * src/state.h, src/state.c (reductions_new): New.
19454 * src/LR0.c (set_state_table): Let all the states have a
19455 `reductions', even if reduced to 0.
19456 (save_reductions): Adjust.
19457 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
19458 * src/print.c (print_reductions, print_actions): Adjust.
19459 * src/output.c (action_row): Adjust.
19460
19461 2001-12-27 Akim Demaille <akim@epita.fr>
19462
19463 * src/state.h, src/state.c (errs_new, errs_dup): New.
19464 * src/LR0.c (set_state_table): Let all the states have an errs,
19465 even if reduced to 0.
19466 * src/print.c (print_errs, print_reductions): Adjust.
19467 * src/output.c (output_actions, action_row): Adjust.
19468 * src/conflicts.c (resolve_sr_conflict): Adjust.
19469
19470 2001-12-27 Akim Demaille <akim@epita.fr>
19471
19472 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
19473
19474 2001-12-27 Akim Demaille <akim@epita.fr>
19475
19476 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
19477 * src/print.c: here.
19478 (lookaheadset, shiftset): New, used as additional storage by
19479 print_reductions.
19480 (print_results): Adjust.
19481 (print_shifts, print_gotos, print_errs): New, extracted from...
19482 (print_actions): here.
19483 * src/print_graph.c (print_actions): Remove dead code.
19484
19485 2001-12-27 Akim Demaille <akim@epita.fr>
19486
19487 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
19488 `$n' and `@n'.
19489
19490 2001-12-27 Akim Demaille <akim@epita.fr>
19491
19492 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
19493 (build_relations): Adjust.
19494
19495 2001-12-27 Akim Demaille <akim@epita.fr>
19496
19497 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
19498 duplication.
19499
19500 2001-12-27 Akim Demaille <akim@epita.fr>
19501
19502 * src/reader.c (packgram): Catch nitems overflows.
19503
19504 2001-12-27 Akim Demaille <akim@epita.fr>
19505
19506 * src/files.c, src/files.h (guard_obstack): Remove.
19507 * src/output.c (output): Adjust.
19508 * src/reader.c (parse_braces): New, factoring...
19509 (copy_action, copy_guard): these two which are renamed as...
19510 (parse_action, parse_guard): these.
19511 As a voluntary consequence, using braces around guards is now
19512 mandatory.
19513
19514 2001-12-27 Akim Demaille <akim@epita.fr>
19515
19516 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
19517 * src/reader.c (symbol_list): `guard' and `guard_line' are new
19518 members.
19519 (symbol_list_new): Adjust.
19520 (copy_action): action_line is the first line, not the last.
19521 (copy_guard): Just as for actions, store the `action' only, not
19522 the switch/case/break flesh.
19523 Don't parse the user action that might follow the guard, let...
19524 (readgram): do it, i.e., now, there can be an action after a
19525 guard.
19526 In other words the guard is just explicitly optional.
19527 (packgram): Adjust.
19528 * src/output.c (guards_output): New.
19529 (output_parser): Call it when needed.
19530 (output): Also free the guard and attrs obstacks.
19531 * src/files.c, src/files.h (obstack_save): Remove.
19532 (output_files): Remove.
19533 As a result, if one needs the former `.act' file, using an
19534 appropriate skeleton which requires actions and guards is now
19535 required.
19536 * src/main.c (main): Adjust.
19537 * tests/semantic.at: New.
19538 * tests/regression.at: Use `input.y' as input file name.
19539 Avoid 8+3 problems by requiring input.c when the test needs the
19540 parser.
19541
19542 2001-12-27 Akim Demaille <akim@epita.fr>
19543
19544 * src/reader.c (symbol_list_new): Be sure to initialize all the
19545 fields.
19546
19547 2001-12-27 Akim Demaille <akim@epita.fr>
19548
19549 All the hacks using a final pseudo state are now useless.
19550
19551 * src/LR0.c (set_state_table): state_table holds exactly nstates.
19552 * src/lalr.c (nLA): New.
19553 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
19554 instead of lookaheadsp from the pseudo state (nstate + 1).
19555
19556 2001-12-27 Akim Demaille <akim@epita.fr>
19557
19558 * src/output.c (action_row, token_actions): Use a state_t instead
19559 of a integer, and nlookaheads instead of the following state's
19560 lookaheadsp.
19561
19562 2001-12-27 Akim Demaille <akim@epita.fr>
19563
19564 * src/conflicts.c (log_resolution, flush_shift)
19565 (resolve_sr_conflict, set_conflicts, solve_conflicts)
19566 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
19567 (conflicts_print, print_reductions): Use a state_t instead of an
19568 integer when referring to a state.
19569 As much as possible, depend upon nlookaheads, instead of the
19570 `lookaheadsp' member of the following state (since lookaheads of
19571 successive states are successive, the difference between state n + 1
19572 and n served as the number of lookaheads for state n).
19573 * src/lalr.c (add_lookback_edge): Likewise.
19574 * src/print.c (print_core, print_actions, print_state)
19575 (print_results): Likewise.
19576 * src/print_graph.c (print_core, print_actions, print_state)
19577 (print_graph): Likewise.
19578 * src/conflicts.h: Adjust.
19579
19580 2001-12-27 Akim Demaille <akim@epita.fr>
19581
19582 * src/bison.hairy: Formatting/comment changes.
19583 ANSIfy.
19584 Remove `register' indications.
19585 Add plenty of `static'.
19586
19587 2001-12-27 Akim Demaille <akim@epita.fr>
19588
19589 * src/output.c (prepare): Drop the muscle `ntbase' which
19590 duplicates ntokens.
19591 * src/bison.simple: Formatting/comment changes.
19592 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
19593 is an undocumented synonym.
19594
19595 2001-12-22 Akim Demaille <akim@epita.fr>
19596
19597 * src/output.c (output_table_data): Change the prototype to use
19598 `int' for array ranges: some invocations do pass an int, not a
19599 short.
19600 Reported by Wayne Green.
19601
19602 2001-12-22 Akim Demaille <akim@epita.fr>
19603
19604 Some actions of web2c.y are improperly triggered.
19605 Reported by Mike Castle.
19606
19607 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
19608 * tests/regression.at (Web2c): Rename as...
19609 (Web2c Report): this.
19610 (Web2c Actions): New.
19611
19612 2001-12-22 Akim Demaille <akim@epita.fr>
19613
19614 Reductions in web2c.y are improperly reported.
19615 Reported by Mike Castle.
19616
19617 * src/conflicts.c (print_reductions): Fix.
19618 * tests/regression.at (Web2c): New.
19619
19620 2001-12-18 Akim Demaille <akim@epita.fr>
19621
19622 Some host fail on `assert (!"foo")', which expands to
19623 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
19624 Reported by Nelson Beebee.
19625
19626 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
19627 `#define it_succeeded 0' and `assert (it_succeeded)'.
19628
19629 2001-12-17 Marc Autret <autret_m@epita.fr>
19630
19631 * src/bison.simple: Don't hard code the skeleton line and filename.
19632 * src/output.c (output_parser): Rename 'line' as 'output_line'.
19633 New line counter 'skeleton_line' (skeleton-line muscle).
19634
19635 2001-12-17 Paul Eggert <eggert@twinsun.com>
19636
19637 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
19638 YYDEBUG must be defined to a nonzero value.
19639
19640 * src/bison.simple (yytname): Do not assume that the user defines
19641 YYDEBUG to a properly parenthesized expression.
19642
19643 2001-12-17 Akim Demaille <akim@epita.fr>
19644
19645 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
19646 nlookaheads is a new member.
19647 Adjust all users.
19648 * src/lalr.h (nlookaheads): Remove this orphan declaration.
19649 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
19650 state.
19651
19652 2001-12-17 Akim Demaille <akim@epita.fr>
19653
19654 * src/files.h, src/files.c (open_files, close_files): Remove.
19655 * src/main.c (main): Don't open/close files, nor invoke lex_free,
19656 let...
19657 * src/reader.c (reader): Do it.
19658
19659 2001-12-17 Akim Demaille <akim@epita.fr>
19660
19661 * src/conflicts.c (print_reductions): Formatting changes.
19662
19663 2001-12-17 Akim Demaille <akim@epita.fr>
19664
19665 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
19666 (flush_reduce): New.
19667 (resolve_sr_conflict): Adjust.
19668
19669 2001-12-17 Akim Demaille <akim@epita.fr>
19670
19671 * src/output.c (output_obstack): Be static and rename as...
19672 (format_obstack): this, to avoid any confusion with files.c's
19673 output_obstack.
19674 * src/reader.h (muscle_obstack): Move to...
19675 * src/output.h: here, since it's defined in output.c.
19676
19677 2001-12-17 Akim Demaille <akim@epita.fr>
19678
19679 * src/output.c (action_row, save_column, default_goto)
19680 (sort_actions, matching_state, pack_vector): Better variable
19681 locality.
19682
19683 2001-12-17 Akim Demaille <akim@epita.fr>
19684
19685 * src/output.c: Various formatting changes.
19686
19687 2001-12-17 Akim Demaille <akim@epita.fr>
19688
19689 * src/files.c (output_files): Free the output_obstack.
19690 * src/main.c (main): Call print and print_graph conditionally.
19691 * src/print.c (print): Work unconditionally.
19692 * src/print_graph.c (print_graph): Work unconditionally.
19693 * src/conflicts.c (log_resolution): Output only if verbose_flag.
19694
19695 2001-12-16 Marc Autret <autret_m@epita.fr>
19696
19697 * src/output.c (actions_output): Fix. When we use %no-lines,
19698 there is one less line per action.
19699
19700 2001-12-16 Marc Autret <autret_m@epita.fr>
19701
19702 * src/bison.simple: Remove a useless #line directive.
19703 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
19704 * src/output.c (get_lines_number): New.
19705 (output_parser): Adjust, now takes care about the lines of a
19706 output muscles.
19707 Fix line numbering.
19708 (actions_output): Computes the number of lines taken by actions.
19709 (output_master_parser): Insert new skeleton which is the name of
19710 the output parser file name.
19711
19712 2001-12-15 Marc Autret <autret_m@epita.fr>
19713
19714 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
19715
19716 2001-12-15 Marc Autret <autret_m@epita.fr>
19717
19718 * src/output.c (output_gram): Keep track of the hairy one.
19719
19720 2001-12-15 Akim Demaille <akim@epita.fr>
19721
19722 Make `make distcheck' work.
19723
19724 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
19725 system.h which uses libgettext.h.
19726
19727 2001-12-15 Akim Demaille <akim@epita.fr>
19728
19729 * src/nullable.c (set_nullable): Useless rules must be skipped,
19730 otherwise, since we range over their symbols, we might look at a
19731 nonterminal which no longer ``exists'', i.e., it is not counted in
19732 `nvars', hence we overflow our arrays.
19733
19734 2001-12-15 Akim Demaille <akim@epita.fr>
19735
19736 The header can also be produced directly, without any obstack!
19737 Yahoo!
19738
19739 * src/files.c, src/files.h (defines_obstack): Remove.
19740 (compute_header_macro): Global.
19741 (defines_obstack_save): Remove.
19742 * src/reader.c (parse_union_decl): No longer output to
19743 defines_obstack: its content can be found in the `stype' muscle
19744 anyway.
19745 (output_token_translations): Merge into...
19746 (symbols_output): this.
19747 Rename as...
19748 (symbols_save): this.
19749 (reader): Adjust.
19750 * src/output.c (header_output): New.
19751 (output): Call it.
19752
19753 2001-12-15 Akim Demaille <akim@epita.fr>
19754
19755 * src/reader.c (parse_union_decl): Instead of handling two obstack
19756 simultaneously, use one to define the `stype' muscle, and use the
19757 value of the latter to fill defines_obstack.
19758 (copy_comment): Remove.
19759 (copy_comment2): Work for a single obstack.
19760 Rename as...
19761 (copy_comment): this.
19762
19763 2001-12-15 Akim Demaille <akim@epita.fr>
19764
19765 * src/lex.c, src/lex.h (xgetc): No longer static.
19766 * src/reader.c (parse_union_decl): Revamp.
19767
19768 2001-12-15 Akim Demaille <akim@epita.fr>
19769
19770 Still making progress in separating Bison into (i) input, (ii)
19771 process, (iii) output: now we can directly output the parser file
19772 without using table_obstack at all.
19773
19774 * src/files.c, src/files.h (table_obstack): Bye bye.
19775 (parser_file_name): New.
19776 * src/files.c (compute_output_file_names): Compute it.
19777 * src/output.c (actions_output, output_parser)
19778 (output_master_parser): To a file instead of an obstack.
19779
19780 2001-12-15 Akim Demaille <akim@epita.fr>
19781
19782 Attach actions to rules, instead of pre-outputting them to
19783 actions_obstack.
19784
19785 * src/gram.h (rule_t): action and action_line are new members.
19786 * src/reader.c (symbol_list): Likewise.
19787 (copy_action): Save the actions within the rule.
19788 (packgram): Save them in rule_table.
19789 * src/output.c (actions_output): New.
19790 (output_parser): Use it on `%%actions'.
19791 (output_rule_data): Don't free rule_table.
19792 (output): Do it.
19793 (prepare): Don't save the `action' muscle.
19794 * src/bison.simple: s/%%action/%%actions/.
19795
19796 2001-12-15 Akim Demaille <akim@epita.fr>
19797
19798 * src/reader.c (copy_action): When --yacc, don't append a `;'
19799 to the user action: let it fail if lacking.
19800 Suggested by Arnold Robbins and Tom Tromey.
19801
19802 2001-12-14 Akim Demaille <akim@epita.fr>
19803
19804 * src/lex.c (literalchar): Simply return the char you decoded, non
19805 longer mess around with obstacks and int pointers.
19806 Adjust all callers.
19807
19808 2001-12-14 Akim Demaille <akim@epita.fr>
19809
19810 * src/lex.c (literalchar): Don't escape the special characters,
19811 just decode them, and keep them as char (before, eol was output as
19812 the 2 char string `\n' etc.).
19813 * src/output.c (output_rule_data): Use quotearg to output the
19814 token strings.
19815
19816 2001-12-13 Paul Eggert <eggert@twinsun.com>
19817
19818 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
19819 Do not infringe on the global user namespace when using C++.
19820 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
19821 All uses of `fprintf' and `stderr' changed.
19822
19823 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
19824
19825 2001-12-13 Akim Demaille <akim@epita.fr>
19826
19827 The computation of nullable is broken: it doesn't handle empty
19828 RHS's properly.
19829
19830 * tests/torture.at (GNU AWK Grammar): New.
19831 * tests/sets.at (Nullable): New.
19832 * src/nullable.c (set_nullable): Instead of blindly looping over
19833 `ritems', loop over the rules, and then over their rhs's.
19834
19835 Work around Autotest bugs.
19836
19837 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
19838 frame, because Autotest understand lines starting with a `+' as
19839 traces from the shell. Then, they are not processed properly.
19840 Admittedly an Autotest bug, but we don't have time to wait for
19841 Autotest to catch up.
19842 * tests/regression.at (Broken Closure): Adjust to the new table
19843 frames.
19844 Move to...
19845 * tests/sets.at: here.
19846
19847 2001-12-13 Akim Demaille <akim@epita.fr>
19848
19849 * src/closure.c (closure): Use nrules instead of playing tricks
19850 with BITS_PER_WORD.
19851
19852 2001-12-13 Akim Demaille <akim@epita.fr>
19853
19854 * src/print.c (print_actions): Output the handling of `$' as the
19855 traces do: shifting the token EOF. Before EOF was treated as a
19856 nonterminal.
19857 * tests/regression.at: Adjust some tests.
19858 * src/print_graph.c (print_core): Complete the set of items via
19859 closure. The next-to-final and final states are still unsatisfying,
19860 but that's to be addressed elsewhere.
19861 No longer output the rule numbers, but do output the state number.
19862 A single loop for the shifts + gotos is enough, but picked a
19863 distinct color for each.
19864 (print_graph): Initialize and finalize closure.
19865
19866 2001-12-13 Akim Demaille <akim@epita.fr>
19867
19868 * src/reader.c (readgram): Remove dead code, an strip useless
19869 braces.
19870 (get_type): Remove, unused.
19871
19872 2001-12-12 Akim Demaille <akim@epita.fr>
19873
19874 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
19875 on that of lib/error.c.
19876
19877 2001-12-12 Akim Demaille <akim@epita.fr>
19878
19879 Some hosts don't like `/' in includes.
19880
19881 * src/system.h: Include libgettext.h without qualifying the path.
19882 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
19883 $(top_srcdir).
19884
19885 2001-12-11 Marc Autret <autret_m@epita.fr>
19886
19887 * src/output.c (output_parser): Remove useless muscle.
19888
19889 2001-12-11 Marc Autret <autret_m@epita.fr>
19890
19891 * src/bison.simple: Remove #line just before %%epilogue. It
19892 is now handled in ...
19893 * src/reader.c (read_additionnal_code): Add the output of a
19894 #line for the epilogue.
19895
19896 2001-12-10 Marc Autret <autret_m@epita.fr>
19897
19898 * src/reader.c (copy_definition): Re-use CPP-outed code which
19899 replace precedent remove.
19900 * src/bison.simple: Remove #line before %%prologue because
19901 %%input-line is wrong at this time.
19902
19903 2001-12-10 Marc Autret <autret_m@epita.fr>
19904
19905 * src/reader.c (symbols_output): Clean up.
19906 * src/output.c (output_gram, output): Clean up.
19907
19908 2001-12-10 Akim Demaille <akim@epita.fr>
19909
19910 * src/lalr.c (initialize_lookaheads): New. Extracted from...
19911 * src/LR0.c (set_state_table): here.
19912 * src/lalr.c (lalr): Call it.
19913
19914 2001-12-10 Akim Demaille <akim@epita.fr>
19915
19916 * src/state.h (shifts): Remove the `number' member: shifts are
19917 attached to state, hence no longer need to be labelled with a
19918 state number.
19919
19920 2001-12-10 Akim Demaille <akim@epita.fr>
19921
19922 Now that states have a complete set of members, the linked list of
19923 shifts is useless: just fill directly the state's shifts member.
19924
19925 * src/state.h (shifts): Remove the `next' member.
19926 * src/LR0.c (first_state, last_state): Remove.
19927 Adjust the callers.
19928 (augment_automaton): Don't look for the shifts that must be added
19929 a shift on EOF: it is those of the state we looked for! But now,
19930 since shifts are attached, it is no longer needed to looking
19931 merely by its id: its number.
19932
19933 2001-12-10 Akim Demaille <akim@epita.fr>
19934
19935 * src/LR0.c (augment_automaton): Better variable locality.
19936 Remove an impossible branch: if there is a state corresponding to
19937 the start symbol being shifted, then there is shift for the start
19938 symbol from the initial state.
19939
19940 2001-12-10 Akim Demaille <akim@epita.fr>
19941
19942 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
19943 only when appropriate: when insert_start_shifting_state' is not
19944 invoked.
19945 * tests/regression.at (Rule Line Numbers): Adjust.
19946
19947 2001-12-10 Akim Demaille <akim@epita.fr>
19948
19949 * src/LR0.c (augment_automaton): Now that all states have shifts,
19950 merge the two cases addition shifts to the initial state.
19951
19952 2001-12-10 Akim Demaille <akim@epita.fr>
19953
19954 * src/lalr.c (set_state_table): Move to...
19955 * src/LR0.c: here.
19956 * src/lalr.c (lalr): Don't call it...
19957 * src/LR0.c (generate_states): do it.
19958 * src/LR0.h (first_state): Remove, only the table is used.
19959
19960 2001-12-10 Akim Demaille <akim@epita.fr>
19961
19962 * src/LR0.h (first_shift, first_reduction): Remove.
19963 * src/lalr.c: Don't use first_shift: find shifts through the
19964 states.
19965
19966 2001-12-10 Akim Demaille <akim@epita.fr>
19967
19968 * src/LR0.c: Attach shifts to states as soon as they are
19969 computed.
19970 * src/lalr.c (set_state_table): Instead of assigning shifts to
19971 state, just assert that the mapping was properly done.
19972
19973 2001-12-10 Akim Demaille <akim@epita.fr>
19974
19975 * src/LR0.c (insert_start_shift): Rename as...
19976 (insert_start_shifting_state): this.
19977 (insert_eof_shifting_state, insert_accepting_state): New.
19978 (augment_automaton): Adjust.
19979 Better locality of the variables.
19980 When looking if the start_symbol is shifted from the initial
19981 state, using `while (... symbol != start_symbol ...)' sounds
19982 better than `while (... symbol < start_symbol ...)': If fail
19983 to see how the order between symbols could be relevant!
19984
19985 2001-12-10 Akim Demaille <akim@epita.fr>
19986
19987 * src/getargs.h: Don't declare `spec_name_prefix' and
19988 `spec_file_prefix', declared by src/files.h.
19989 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
19990 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
19991 * src/output.c (prepare): Adjust.
19992 * src/reader.c (symbols_output): Likewise.
19993 * src/vmsgetargs.c: Vaguely adjust, but who cares?
19994
19995 2001-12-10 Akim Demaille <akim@epita.fr>
19996
19997 * src/muscle_tab.c (muscle_init): NULL is a better default than
19998 `"0"'.
19999
20000 2001-12-10 Akim Demaille <akim@epita.fr>
20001
20002 * src/reader.c (reader): Calling symbols_output once is enough.
20003
20004 2001-12-10 Akim Demaille <akim@epita.fr>
20005
20006 Now that states have a complete set of members, the linked list of
20007 reductions is useless: just fill directly the state's reductions
20008 member.
20009
20010 * src/state.h (struct reductions): Remove member `number' and
20011 `next'.
20012 * src/LR0.c (first_reduction, last_reduction): Remove.
20013 (save_reductions): Don't link the new reductions, store them in
20014 this_state.
20015 * src/lalr.c (set_state_table): No need to attach reductions to
20016 states, it's already done.
20017 * src/output.c (output_actions): No longer free the shifts, then
20018 the reductions, then the states: free all the states and their
20019 members.
20020
20021 2001-12-10 Akim Demaille <akim@epita.fr>
20022
20023 * src/options.c (OPTN, DRTV, BOTH): New.
20024 (option_table): Use them.
20025
20026 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
20027 the job of system.h.
20028 * src/options.c: Don't include stdio.h and xalloc.h for the same
20029 reasons.
20030
20031 2001-12-10 Akim Demaille <akim@epita.fr>
20032
20033 * src/output.c (output, prepare): Make sure the values of the
20034 muscles `action' and `prologue' are 0-terminated.
20035
20036 2001-12-10 Akim Demaille <akim@epita.fr>
20037
20038 Clean up GCC warnings.
20039
20040 * src/reader.c (copy_action): `buf' is not used.
20041 (parse_skel_decl): Be static.
20042 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
20043 * src/options.h (create_long_option_table): Have a real prototype.
20044 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
20045 (hash_delete_at): Return const void *.
20046 Adjust casts to preserve the const.
20047
20048 2001-12-10 Akim Demaille <akim@epita.fr>
20049
20050 * configure.in: Require 2.52g.
20051 M4 is not needed, but AUTOM4TE is.
20052 * m4/m4.m4: Remove.
20053 * tests/Makefile.am: Adjust.
20054
20055 2001-12-10 Akim Demaille <akim@epita.fr>
20056
20057 One structure for states is enough, even though theoretically
20058 there are LR(0) states and LALR(1) states.
20059
20060 * src/lalr.h (state_t): Remove.
20061 (state_table): Be state_t **, not state_t *.
20062 * src/state.h (core, CORE_ALLOC): Rename as...
20063 (state_t, STATE_ALLOC): this.
20064 Add the LALR(1) members: shifts, reductions, errs.
20065 * src/LR0.c (state_table): Rename as...
20066 (state_hash): this, to avoid name clashes with the global
20067 `state_table'.
20068 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
20069 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
20070
20071 2001-12-10 Akim Demaille <akim@epita.fr>
20072
20073 Bison dumps core on bash.y.
20074 Reported by Pascal Bart.
20075
20076 * src/warshall.c (bitmatrix_print): New.
20077 (TC): Use it.
20078 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
20079 j must be the outer loop.
20080 * tests/regression.at (Broken Closure): New.
20081
20082 2001-12-05 Akim Demaille <akim@epita.fr>
20083
20084 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
20085 its argument.
20086 Reported by Peter Hamorsky.
20087
20088 2001-12-05 Akim Demaille <akim@epita.fr>
20089
20090 * src/conflicts.c (err_table): Remove.
20091 (resolve_sr_conflict): Adjust.
20092 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
20093 Rename as...
20094 (state_t.reductions, state_t.shifts): this.
20095
20096 2001-12-05 Akim Demaille <akim@epita.fr>
20097
20098 * src/reduce.c (reduce_grammar_tables): No longer disable the
20099 removal of useless rules via CPP but via `if (0)', so that the
20100 compiler still check the code is valid.
20101 For instance, it should have noticed `rline' no longer exists: use
20102 the `line' member of rule_t.
20103 * src/gram.c (dummy, rline): Remove, unused.
20104
20105 2001-12-05 Akim Demaille <akim@epita.fr>
20106
20107 * src/output.c (pack_vector): Use assert, not berror.
20108 * src/main.c (berror): Remove, unused.
20109
20110 2001-12-05 Akim Demaille <akim@epita.fr>
20111
20112 New experimental feature: if --verbose --trace output all the
20113 items of a state, not only its kernel.
20114
20115 * src/print.c (print_core): If `trace_flag', then invoke closure
20116 before outputting the items of the state (print_core is no longer
20117 a correct name them).
20118 (print_results): Invoke new_closure/free_closure if needed.
20119
20120 2001-12-05 Akim Demaille <akim@epita.fr>
20121
20122 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
20123 * src/closure.c, src/closure.h (itemsetsize): Rename as...
20124 (nitemset): for consistency with the rest of the project.
20125
20126 2001-12-05 Akim Demaille <akim@epita.fr>
20127
20128 * src/closure.c (print_closure): Improve.
20129 (closure): Use it for printing input and output.
20130
20131 2001-12-05 Akim Demaille <akim@epita.fr>
20132
20133 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
20134 indexed by nonterminals.
20135
20136 2001-12-05 Akim Demaille <akim@epita.fr>
20137
20138 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
20139 what it was!).
20140 * src/warshall.h: Remove accidental duplication of the content.
20141
20142 2001-12-05 Akim Demaille <akim@epita.fr>
20143
20144 * src/closure.c (set_fderives): De-obfuscate.
20145
20146 2001-12-05 Akim Demaille <akim@epita.fr>
20147
20148 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
20149
20150 2001-12-05 Akim Demaille <akim@epita.fr>
20151
20152 * src/closure.c (set_firsts): De-obfuscate.
20153
20154 2001-12-05 Akim Demaille <akim@epita.fr>
20155
20156 * src/output.c (action_row): De-obfuscate
20157 using the good o' techniques: arrays not pointers, variable
20158 locality, BITISSET, RESETBIT etc.
20159
20160 2001-12-05 Akim Demaille <akim@epita.fr>
20161
20162 Pessimize the code to simplify it: from now on, all the states
20163 have a valid SHIFTS, which NSHIFTS is possibly 0.
20164
20165 * src/LR0.c (shifts_new): Be global and move to..
20166 * src/state.c, src/state.h: here.
20167 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
20168 * src/print_graph: Adjust.
20169
20170 2001-12-05 Akim Demaille <akim@epita.fr>
20171
20172 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
20173 * src/conflicts.c: Use it.
20174 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
20175 incorrectly ``simplified''.
20176
20177 2001-12-05 Akim Demaille <akim@epita.fr>
20178
20179 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
20180 using the good o' techniques: arrays not pointers, variable
20181 locality, BITISSET, RESETBIT etc.
20182
20183 2001-12-05 Akim Demaille <akim@epita.fr>
20184
20185 * src/state.h (SHIFT_SYMBOL): New.
20186 * src/conflicts.c: Use it to deobfuscate.
20187
20188 2001-12-05 Akim Demaille <akim@epita.fr>
20189
20190 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
20191 (print_reductions): De-obfuscate using the good o' techniques:
20192 arrays not pointers, variable locality, BITISSET.
20193
20194 2001-12-05 Akim Demaille <akim@epita.fr>
20195
20196 * src/conflicts.c (print_reductions): Arrays, not pointers.
20197 Use BITISSET.
20198
20199 2001-12-05 Akim Demaille <akim@epita.fr>
20200
20201 * src/conflicts.c (print_reductions): Pessimize, but clarify.
20202
20203 2001-12-05 Akim Demaille <akim@epita.fr>
20204
20205 * src/conflicts.c (print_reductions): Improve variable locality.
20206
20207 2001-12-05 Akim Demaille <akim@epita.fr>
20208
20209 * src/conflicts.c (print_reductions): Pessimize, but clarify.
20210
20211 2001-12-05 Akim Demaille <akim@epita.fr>
20212
20213 * src/conflicts.c (print_reductions): Improve variable locality.
20214
20215 2001-12-05 Akim Demaille <akim@epita.fr>
20216
20217 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
20218 * src/lalr.c: Use them.
20219
20220 2001-12-05 Akim Demaille <akim@epita.fr>
20221
20222 * src/LR0.c (augment_automaton): Formatting changes.
20223 Better variable locality.
20224
20225 2001-12-05 Akim Demaille <akim@epita.fr>
20226
20227 * src/lalr.c (matrix_print): New.
20228 (transpose): Use it.
20229 Use arrays instead of pointers.
20230
20231 2001-12-05 Akim Demaille <akim@epita.fr>
20232
20233 * src/lalr.c (maxrhs): Move to...
20234 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
20235 * src/lalr.c (build_relations): Adjust.
20236
20237 2001-12-05 Akim Demaille <akim@epita.fr>
20238
20239 * src/lalr.c (transpose): Free the memory allocated to the
20240 argument, as it is replaced by the results by the unique caller.
20241 (build_relations): Merely invoke transpose: it handles the memory
20242 deallocation.
20243 Improve variable locality.
20244 Avoid variables used as mere abbreviations.
20245 (compute_lookaheads): Use arrays instead of pointers.
20246
20247 2001-12-05 Akim Demaille <akim@epita.fr>
20248
20249 * src/lalr.c (initialize_F): Improve variable locality.
20250 Avoid variables used as mere abbreviations.
20251
20252 2001-12-05 Akim Demaille <akim@epita.fr>
20253
20254 * src/derives.c (print_derives): Display the ruleno.
20255 * src/lalr.c (initialize_F, transpose): Better variable locality
20256 to improve readability.
20257 Avoid variables used as mere abbreviations.
20258
20259 2001-12-05 Akim Demaille <akim@epita.fr>
20260
20261 * src/lalr.c (traverse): Use arrays instead of pointers.
20262
20263 2001-12-05 Akim Demaille <akim@epita.fr>
20264
20265 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
20266 the handling of squeue.
20267 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
20268
20269 2001-12-05 Akim Demaille <akim@epita.fr>
20270
20271 Because useless nonterminals are now kept alive (instead of being
20272 `destroyed'), we now sometimes examine them, and store information
20273 related to them. Hence we need to know their number, and adjust
20274 memory allocations.
20275
20276 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
20277 static.
20278 * src/LR0.c (allocate_itemsets): The memory allocated to
20279 `symbol_count' was used for two different purpose: once to count
20280 the number of occurrences of each symbol, and later reassigned to
20281 `shift_symbol', containing the symbol that can be shifted from a
20282 given state.
20283 Deobfuscate, i.e., allocate, use and free `symbol_count' here
20284 only, and...
20285 (new_itemsets): Allocate `shift_symbol' here.
20286 (allocate_itemsets): symbol_count includes useless nonterminals.
20287 Make room for them.
20288 (free_storage): Use `free', not `XFREE', for pointers that cannot
20289 be null.
20290
20291 2001-12-05 Akim Demaille <akim@epita.fr>
20292
20293 * src/nullable.c (set_nullable): Deobfuscate the handling of
20294 ritem.
20295 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
20296
20297 2001-12-05 Akim Demaille <akim@epita.fr>
20298
20299 * src/gram.c, src/gram.h (ritem_print): New.
20300 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
20301 (This useless function was defined only to work around VMS linkers
20302 that can't handle compilation units with variables only).
20303 * src/reduce.c (dump_grammar): Use it to trace the construction of
20304 ritem.
20305
20306 2001-12-04 Paul Eggert <eggert@twinsun.com>
20307
20308 * src/bison.simple (union yyalloc): Change member names
20309 to be the same as the stack names.
20310 (yyparse): yyptr is now union yyalloc *, not char *.
20311 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
20312 and may generate better code on some machines.
20313 (yystpcpy): Use prototype if __STDC__ is defined, not just
20314 if __cplusplus is defined.
20315
20316 2001-11-30 Akim Demaille <akim@epita.fr>
20317
20318 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
20319 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
20320 Gettext doesn't compile cleanly, and dies with -Werror.
20321 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
20322 Include WARNING_CFLAGS here.
20323 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
20324 before being defined.
20325
20326 2001-11-27 Paul Eggert <eggert@twinsun.com>
20327
20328 * lib/quotearg.h (quotearg_n, quotearg_n_style):
20329 First arg is int, not unsigned.
20330 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
20331 (SIZE_MAX, UINT_MAX): New macros.
20332 (quotearg_n_options): Abort if N is negative.
20333 Avoid overflow check on hosts where size_t is 64 bits and int
20334 is 32 bits, as overflow is impossible there.
20335 Fix off-by-one typo that caused unnecessary reallocation.
20336
20337 2001-11-29 Paul Eggert <eggert@twinsun.com>
20338
20339 Name space cleanup in generated parser.
20340
20341 * doc/bison.texinfo (Bison Parser): Discuss system headers
20342 and their effect on the user name space.
20343
20344 * src/bison.simple:
20345 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
20346 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
20347 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
20348
20349 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
20350 on user names when possible.
20351
20352 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
20353 Simplify test for whather <alloca.h> exists.
20354
20355 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
20356
20357 (<stdio.h>): Include if YYDEBUG.
20358
20359 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
20360 ! defined (yyoverflow) && ! defined (yymemcpy).
20361
20362 (yymemcpy, yyparse): Rename local variables as needed so that
20363 they all begin with 'yy'.
20364
20365 (yystrlen, yystpcpy): New functions.
20366
20367 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
20368 All uses changed.
20369
20370 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
20371 instead of relying on string.h functions. Use YYSTACK_ALLOC
20372 and YYSTACK_FREE instead of malloc and free.
20373
20374 2001-11-30 Akim Demaille <akim@epita.fr>
20375
20376 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
20377 before their first uses.
20378 (YYBISON, YYPURE): Move to the top of the output.
20379
20380 2001-11-30 Akim Demaille <akim@epita.fr>
20381
20382 * tests/reduce.at (Useless Nonterminals): Fix.
20383
20384 2001-11-30 Akim Demaille <akim@epita.fr>
20385
20386 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
20387 if body instead of `;' to pacify GCC's warnings.
20388
20389 2001-11-30 Akim Demaille <akim@epita.fr>
20390
20391 Instead of mapping the LHS of unused rules to -1, keep the LHS
20392 valid, but flag the rules as invalid.
20393
20394 * src/gram.h (rule_t): `useful' is a new member.
20395 * src/print.c (print_grammar): Adjust.
20396 * src/derives.c (set_derives): Likewise.
20397 * src/reader.c (packgram, reduce_output): Likewise.
20398 * src/reduce.c (reduce_grammar_tables): Likewise.
20399 * tests/reduce.at (Underivable Rules, Useless Rules): New.
20400
20401 2001-11-30 Akim Demaille <akim@epita.fr>
20402
20403 * src/reduce.c (reduce_output): Formatting changes.
20404 * src/print.c (print_results, print_grammar): Likewise.
20405 * tests/regression.at (Rule Line Numbers)
20406 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
20407
20408 2001-11-30 Akim Demaille <akim@epita.fr>
20409
20410 * src/reduce.c (nonterminals_reduce): Instead of throwing away
20411 useless nonterminals, move them at the end of the symbol arrays.
20412 (reduce_output): Adjust.
20413 * tests/reduce.at (Useless Nonterminals): Adjust.
20414
20415 2001-11-30 Akim Demaille <akim@epita.fr>
20416
20417 * src/reduce.c: Various comment/formatting changes.
20418 (nonterminals_reduce): New, extracted from...
20419 (reduce_grammar_tables): here.
20420 (reduce_grammar): Call nonterminals_reduce.
20421
20422 2001-11-29 Paul Eggert <eggert@twinsun.com>
20423
20424 * src/bison.simple (YYSTACK_REALLOC): Remove.
20425 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
20426 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
20427 New macros.
20428 (union yyalloc): New type.
20429 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
20430 an arbitrary restriction on hosts where size_t is wider than int.
20431
20432 (yyparse): Don't dump core if alloca or malloc fails; instead, report
20433 a parser stack overflow. Allocate just one block of memory for all
20434 three stacks, instead of allocating three blocks; this typically is
20435 faster and reduces fragmentation.
20436
20437 Do not limit the number of items in the stack to a value that fits
20438 in 'int', as this is an arbitrary limit on hosts with 64-bit
20439 size_t and 32-bit int.
20440
20441 2001-11-29 Marc Autret <autret_m@epita.fr>
20442
20443 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
20444 of defining YYERROR_VERBOSE.
20445 [AT_DATA]: $4 is now out of C declarations in the prologue.
20446
20447 2001-11-28 Marc Autret <autret_m@epita.fr>
20448
20449 * src/reader.c (parse_dquoted_param): New.
20450 (parse_skel_decl): Use it.
20451 * src/lex.h: Add its prototype.
20452 * src/lex.c (literalchar): Become not static.
20453
20454 2001-11-28 Marc Autret <autret_m@epita.fr>
20455
20456 * src/output.h: And put its extern declaration here.
20457 * src/output.c (error_verbose): Define here.
20458 (prepare): Echo name modification.
20459 * src/getargs.h: Clean its extern declaration.
20460 * src/getargs.c (error_verbose_flag): Remove.
20461 (getargs): Remove case 'e'.
20462 * src/options.c (option_table): 'error-verbose' is now seen as simple
20463 percent option.
20464 Include output.h.
20465
20466 * src/reader.c (read_declarations): Remove case tok_include.
20467 (parse_include_decl): Remove.
20468 * src/lex.h (token_t): Remove tok_include.
20469 * src/options.c (option_table): 'include' is now a simple command line
20470 option.
20471
20472 2001-11-28 Marc Autret <autret_m@epita.fr>
20473
20474 * src/bison.simple: Adjust muscle names.
20475 * src/muscle_tab.c (muscle_init): Also rename the muscles.
20476 * src/output.c (prepare): s/_/-/ for the muscles names.
20477 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
20478
20479 2001-11-28 Marc Autret <autret_m@epita.fr>
20480
20481 * src/bison.simple: Fix debug.
20482 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
20483
20484 2001-11-28 Akim Demaille <akim@epita.fr>
20485
20486 * src/LR0.c (shifts_new): New.
20487 (save_shifts, insert_start_shift, augment_automaton): Use it.
20488
20489 2001-11-28 Akim Demaille <akim@epita.fr>
20490
20491 * src/closure.c (closure): `b' and `ruleno' denote the same value:
20492 keep ruleno only.
20493
20494 2001-11-28 Akim Demaille <akim@epita.fr>
20495
20496 * src/closure.c (closure): Instead of looping over word in array
20497 then bits in words, loop over bits in array.
20498
20499 2001-11-28 Akim Demaille <akim@epita.fr>
20500
20501 * src/closure.c (closure): No longer optimize the special case
20502 where all the bits of `ruleset[r]' are set to 0, to make the code
20503 clearer.
20504
20505 2001-11-28 Akim Demaille <akim@epita.fr>
20506
20507 * src/closure.c (closure): `r' and `c' are new variables, used to
20508 de-obfuscate accesses to RULESET and CORE.
20509
20510 2001-11-28 Akim Demaille <akim@epita.fr>
20511
20512 * src/reduce.c (reduce_print): Use ngettext.
20513 (dump_grammar): Improve the trace accuracy.
20514
20515 2001-11-28 Akim Demaille <akim@epita.fr>
20516
20517 * src/reduce.c (dump_grammar): Don't translate trace messages.
20518
20519 2001-11-28 Akim Demaille <akim@epita.fr>
20520
20521 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
20522 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
20523 as all tags are free'ed afterwards.
20524 From Enrico Scholz.
20525
20526 2001-11-27 Paul Eggert <eggert@twinsun.com>
20527
20528 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
20529 use alloca when we didn't want to, and vice versa.
20530
20531 2001-11-27 Marc Autret <autret_m@epita.fr>
20532
20533 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
20534 initialization.
20535 * src/output.c (prepare): Remove its update.
20536
20537 2001-11-27 Marc Autret <autret_m@epita.fr>
20538
20539 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
20540 Use %error-verbose.
20541
20542 2001-11-27 Marc Autret <autret_m@epita.fr>
20543
20544 * src/bison.simple: Remove YYERROR_VERBOSE using.
20545 Use %%error_verbose.
20546 (yyparse): Likewise.
20547 * src/output.c (prepare): Give its final value.
20548 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
20549 * src/getargs.h: Add its extern declaration.
20550 * src/getargs.c (error_verbose_flag): New int.
20551 (getargs): Update to catch new case.
20552 * src/options.c (option_table): 'error-verbose' is a new option.
20553 (shortopts): Update.
20554
20555 2001-11-27 Akim Demaille <akim@epita.fr>
20556
20557 * src/system.h: Use intl/libgettext.h.
20558 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
20559
20560 2001-11-27 Akim Demaille <akim@epita.fr>
20561
20562 * tests/torture.at (Exploding the Stack Size with Malloc):
20563 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
20564
20565 2001-11-27 Akim Demaille <akim@epita.fr>
20566
20567 * src/files.c: Include error.h.
20568 Reported by Hans Aberg.
20569
20570 2001-11-26 Marc Autret <autret_m@epita.fr>
20571
20572 * src/reader.c (parse_include_decl): New, not yet implemented.
20573 (read_declarations): Add case tok_include.
20574 * src/getargs.h (include): Add its extern definition.
20575 * src/getargs.c (include): New const char *.
20576 (getargs): Add case '-I'.
20577 * src/options.c (option_table): Add include as command line and
20578 percent option.
20579 * src/lex.h (token_t): Add tok_include.
20580
20581 2001-11-26 Akim Demaille <akim@epita.fr>
20582
20583 * src/reader.c (readgram): Make sure rules for mid-rule actions
20584 have a lineno equal to that of their host rule.
20585 Reported by Hans Aberg.
20586 * tests/regression.at (Rule Line Numbers): New.
20587
20588 2001-11-26 Akim Demaille <akim@epita.fr>
20589
20590 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
20591 size_ts.
20592
20593 2001-11-26 Akim Demaille <akim@epita.fr>
20594
20595 * src/complain.c, src/complain.h (error): Remove, provided by
20596 lib/error.[ch].
20597
20598 2001-11-26 Akim Demaille <akim@epita.fr>
20599
20600 * src/reader.c (read_declarations): Don't abort on tok_illegal,
20601 issue an error message.
20602 * tests/regression.at (Invalid %directive): New.
20603 Reported by Hans Aberg.
20604
20605 2001-11-26 Akim Demaille <akim@epita.fr>
20606
20607 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
20608 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
20609
20610 2001-11-26 Akim Demaille <akim@epita.fr>
20611
20612 * src/conflicts.c (conflicts_print): Don't complain at all when
20613 there are no reduce/reduce conflicts, and as many shift/reduce
20614 conflicts as expected.
20615 * tests/regression.at (%expect right): Adjust.
20616
20617 2001-11-23 Akim Demaille <akim@epita.fr>
20618
20619 * lib/alloca.c: Update, from fileutils.
20620
20621 2001-11-23 Akim Demaille <akim@epita.fr>
20622
20623 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
20624
20625 2001-11-23 Akim Demaille <akim@epita.fr>
20626
20627 * src/system.h: Include alloca.h.
20628 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
20629
20630 2001-11-23 Akim Demaille <akim@epita.fr>
20631
20632 * src/print_graph.c (print_actions): Remove `rule', unused.
20633 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
20634 pacify GCC's signed < unsigned warnings.
20635 * src/closure.c (itemsetsize): Likewise.
20636 * src/reader.c (symbol_list_new): Static.
20637
20638 2001-11-23 Akim Demaille <akim@epita.fr>
20639
20640 Attaching lineno to buckets is stupid, since only one copy of each
20641 symbol is kept, only the line of the first occurrence is kept too.
20642
20643 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
20644 * src/reader.c (rline_allocated): Remove, unused.
20645 (symbol_list): Have a `line' member.
20646 (symbol_list_new): New.
20647 (readgram): Use it.
20648 * src/print.c (print_grammar): Output the rule line numbers.
20649 * tests/regression.at (Solved SR Conflicts)
20650 (Unresolved SR Conflicts): Adjust.
20651 Reported by Hans Aberg.
20652
20653 2001-11-22 Marc Autret <autret_m@epita.fr>
20654
20655 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
20656
20657 2001-11-22 Marc Autret <autret_m@epita.fr>
20658
20659 * src/muscle_tab.c (muscle_init): Remove initialization of
20660 skeleton muscle.
20661 * src/output.c (output_master_parser): Do it here.
20662
20663 2001-11-20 Akim Demaille <akim@epita.fr>
20664
20665 * po/sv.po: New.
20666 * configure.in (ALL_LINGUAS): Adjust.
20667 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
20668 longer contains strings to translate.
20669
20670 2001-11-19 Akim Demaille <akim@epita.fr>
20671
20672 * src/conflicts.c (conflicts_print): Add a missing \n.
20673
20674 2001-11-19 Akim Demaille <akim@epita.fr>
20675
20676 * src/nullable.c (nullable_print): New.
20677 (set_nullable): Call it when tracing.
20678 Better locality of variables.
20679
20680 2001-11-19 Akim Demaille <akim@epita.fr>
20681
20682 * src/print.c (print_actions): Better locality of variables.
20683
20684 2001-11-19 Akim Demaille <akim@epita.fr>
20685
20686 * src/derives.c (print_derives): Fix and enrich.
20687 * src/closure.c (print_fderives): Likewise.
20688
20689 2001-11-19 Akim Demaille <akim@epita.fr>
20690
20691 * src/closure.c (itemsetend): Remove, replaced with...
20692 (itemsetsize): new.
20693
20694 2001-11-19 Akim Demaille <akim@epita.fr>
20695
20696 * src/LR0.c (kernel_end): Remove, replaced with...
20697 (kernel_size): new.
20698
20699 2001-11-19 Akim Demaille <akim@epita.fr>
20700
20701 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
20702 to clarify.
20703
20704 2001-11-19 Akim Demaille <akim@epita.fr>
20705
20706 * src/closure.c (closure): Use arrays instead of pointers to clarify.
20707
20708 2001-11-19 Akim Demaille <akim@epita.fr>
20709
20710 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
20711 trace messages.
20712 * src/LR0.c: Likewise.
20713 (allocate_itemsets): Use arrays instead of pointers to clarify.
20714
20715 2001-11-19 Akim Demaille <akim@epita.fr>
20716
20717 * src/getargs.c (statistics_flag): Replace with...
20718 (trace_flag): New.
20719 (longopts): Accept --trace instead of --statistics.
20720 * src/getargs.h, src/options.c: Adjust.
20721 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
20722 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
20723
20724 2001-11-19 Akim Demaille <akim@epita.fr>
20725
20726 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
20727 pointers to clarify the code.
20728 (save_reductions, save_shifts): Factor common parts of alternatives.
20729
20730 2001-11-19 Akim Demaille <akim@epita.fr>
20731
20732 * src/LR0.c (new_state, get_state): Complete TRACE code.
20733 * src/closure.c: Include `reader.h' to get `tags', needed by the
20734 trace code.
20735 Rename the conditional DEBUG as TRACE.
20736 Output consistently TRACEs to stderr, not stdout.
20737 * src/derives.c: Likewise.
20738 * src/reduce.c: (inaccessable_symbols): Using if is better style
20739 than goto.
20740 Use `#if TRACE' instead of `#if 0' for tracing code.
20741
20742 2001-11-19 Akim Demaille <akim@epita.fr>
20743
20744 * src/system.h (LIST_FREE, shortcpy): New.
20745 * src/LR0.c: Use them.
20746 * src/output.c (free_itemsets, free_reductions, free_shifts):
20747 Remove, replaced by LIST_FREE.
20748
20749 2001-11-19 Akim Demaille <akim@epita.fr>
20750
20751 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
20752 (REDUCTIONS_ALLOC): New.
20753 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
20754 allocation.
20755
20756 2001-11-19 Akim Demaille <akim@epita.fr>
20757
20758 * src/LR0.c (new_state): Complete trace code.
20759 * src/nullable.c (set_nullable): Don't translate traces.
20760
20761 2001-11-19 Akim Demaille <akim@epita.fr>
20762
20763 * src/print_graph.c (print_core): Better locality of variables.
20764 * src/print.c (print_core): Likewise.
20765
20766 2001-11-19 Akim Demaille <akim@epita.fr>
20767
20768 * src/vcg.c: You do the output, so you are responsible of the
20769 handling of VCG syntax, in particular: use quotearg.
20770 * src/print_graph.c: Don't.
20771 (print_actions): Don't output the actions as part of the nodes,
20772 since that's the job of the edges.
20773 (print_state): Don't output by hand: fill the node description,
20774 and ask for its output.
20775
20776 2001-11-19 Akim Demaille <akim@epita.fr>
20777
20778 * src/bison.simple (yyparse): When verbosely reporting an error,
20779 no longer put additional quotes around token names.
20780 * tests/calc.at: Adjust.
20781
20782 2001-11-19 Akim Demaille <akim@epita.fr>
20783
20784 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
20785 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
20786 * src/output.c: Adjust.
20787
20788 2001-11-19 Akim Demaille <akim@epita.fr>
20789
20790 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
20791 (rule_t): this.
20792 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
20793
20794 2001-11-19 Akim Demaille <akim@epita.fr>
20795
20796 * src/gram.h (rule_t): New.
20797 (rule_table): New.
20798 (rrhs, rlhs): Remove, part of state_t.
20799 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
20800 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
20801 * src/reader.c, src/reduce.c: Adjust.
20802
20803 2001-11-19 Akim Demaille <akim@epita.fr>
20804
20805 * src/reader.c (symbols_output): New, extracted from...
20806 (packsymbols): Here.
20807 (reader): Call it.
20808
20809 2001-11-19 Akim Demaille <akim@epita.fr>
20810
20811 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
20812 (maxrhs): this new function.
20813
20814 2001-11-19 Akim Demaille <akim@epita.fr>
20815
20816 * src/lalr.c (F): New macro to access the variable F.
20817 Adjust.
20818
20819 2001-11-19 Akim Demaille <akim@epita.fr>
20820
20821 * src/lalr.h (LA): New macro to access the variable LA.
20822 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20823 * src/lalr.c: Adjust.
20824
20825 2001-11-19 Akim Demaille <akim@epita.fr>
20826
20827 * src/lalr.c (initialize_LA): Only initialize LA. Let...
20828 (set_state_table): handle the `lookaheads' members.
20829
20830 2001-11-19 Akim Demaille <akim@epita.fr>
20831
20832 * src/lalr.h (lookaheads): Removed array, whose contents is now
20833 a member of...
20834 (state_t): this structure.
20835 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20836 Adjust.
20837
20838 2001-11-19 Akim Demaille <akim@epita.fr>
20839
20840 * src/lalr.h (consistent): Removed array, whose contents is now
20841 a member of...
20842 (state_t): this structure.
20843 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20844 Adjust.
20845
20846 2001-11-19 Akim Demaille <akim@epita.fr>
20847
20848 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
20849 contents are now members of...
20850 (state_t): this structure.
20851 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20852 Adjust.
20853
20854 2001-11-19 Akim Demaille <akim@epita.fr>
20855
20856 * src/lalr.h (state_t): New.
20857 (state_table): Be a state_t * instead of a core **.
20858 (accessing_symbol): Remove, part of state_t.
20859 * src/lalr.c: Adjust.
20860 (set_accessing_symbol): Merge into...
20861 (set_state_table): this.
20862 * src/print_graph.c, src/conflicts.c: Adjust.
20863
20864 2001-11-14 Akim Demaille <akim@epita.fr>
20865
20866 * tests/calc.at, tests/output.at, tests/regression.at,
20867 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
20868 now the tests are run in private dirs, therefore AC_CLEANUP and
20869 family can be simplified to 0-ary.
20870 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
20871 use abs. path to find config.h.
20872 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
20873 stderr, there can be way too much random noise.
20874 Instead pass -Werror to GCC and rely on the exit status.
20875 Reported by Wolfram Wagner.
20876
20877 2001-11-14 Akim Demaille <akim@epita.fr>
20878
20879 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
20880 defined only if yyoverflow is defined, to avoid `warning: unused
20881 variable `yyvs1''.
20882 Reported by The Test Suite.
20883
20884 2001-11-14 Akim Demaille <akim@epita.fr>
20885
20886 * src/print.c: Include reduce.h.
20887 Reported by Hans Aberg.
20888
20889 2001-11-14 Akim Demaille <akim@epita.fr>
20890
20891 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
20892 Revert a previous patch: these are really const.
20893 * src/conflicts.c (conflict_report): Additional useless pair of
20894 braces to pacify GCC's warnings for `if () if () {} else {}'.
20895 * src/lex.c (parse_percent_token): Replace equal_offset with
20896 arg_offset.
20897 arg is const.
20898 Be sure to strdup `arg' when used, since there is no reason for
20899 token_buffer not to change.
20900
20901 2001-11-14 Akim Demaille <akim@epita.fr>
20902
20903 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
20904 definition.
20905 * src/main.c (main): Use them.
20906 Suggested by Hans Aberg.
20907
20908 2001-11-12 Akim Demaille <akim@epita.fr>
20909
20910 * src/system.h (ngettext): Now that we use ngettext, be sure to
20911 provide a default definition when NLS are not used.
20912
20913 2001-11-12 Akim Demaille <akim@epita.fr>
20914
20915 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
20916 Use @kbd to denote user input.
20917 (Language and Grammar): ANSIfy the example.
20918 Adjust its layout for info/notinfo.
20919 (Location Tracking Calc): Output error messages to stderr.
20920 Output locations in a more GNUtically correct way.
20921 Fix a couple of Englishos.
20922 Adjust @group/@end group pairs.
20923
20924 2001-11-12 Akim Demaille <akim@epita.fr>
20925
20926 %expect was not functioning at all.
20927
20928 * src/conflicts.c (expected_conflicts): Set to -1.
20929 (conflict_report): Use ngettext.
20930 (conflicts_print): Check %expect and make its violation an error.
20931 * doc/bison.texinfo (Expect Decl): Adjust.
20932 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
20933 * tests/regression.at (%expect not enough, %expect right)
20934 (%expect too much): New.
20935
20936 2001-11-12 Akim Demaille <akim@epita.fr>
20937
20938 * tests/regression.at (Conflicts): Rename as...
20939 (Unresolved SR Conflicts): this.
20940 (Solved SR Conflicts): New.
20941
20942 2001-11-12 Akim Demaille <akim@epita.fr>
20943
20944 * src/reduce.c (print_results): Rename as...
20945 (reduce_output): This.
20946 Output to OUT, passed as argument, instead of output_obstack.
20947 (dump_grammar): Likewise.
20948 (reduce_free): New.
20949 Also free V1.
20950 (reduce_grammar): No longer call reduce_output, since...
20951 * src/print.c (print_results): do it.
20952 * src/main.c (main): Call reduce_free;
20953
20954 2001-11-12 Akim Demaille <akim@epita.fr>
20955
20956 * src/conflicts.c (print_reductions): Accept OUT as argument.
20957 Output to it, not to output_obstack.
20958 * src/print.c (print_actions): Adjust.
20959
20960 2001-11-12 Akim Demaille <akim@epita.fr>
20961
20962 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
20963 the result instead of using...
20964 (src_total, rrc_total, src_count, rrc_count): Remove.
20965 (any_conflicts): Remove.
20966 (print_conflicts): Split into...
20967 (conflicts_print, conflicts_output): New.
20968 * src/conflicts.h: Adjust.
20969 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
20970 * src/print.c (print_grammar): Issue `\n' between two rules.
20971 * tests/regression.at (Conflicts): New.
20972 Reported by Tom Lane.
20973
20974 2001-11-12 Akim Demaille <akim@epita.fr>
20975
20976 * tests/regression.at (Invalid input): Remove, duplicate with
20977 ``Invalid input: 1''.
20978
20979 2001-11-12 Akim Demaille <akim@epita.fr>
20980
20981 * tests/torture.at (AT_DATA_STACK_TORTURE)
20982 (Exploding the Stack Size with Alloca)
20983 (Exploding the Stack Size with Malloc): New.
20984
20985 2001-11-12 Akim Demaille <akim@epita.fr>
20986
20987 * src/bison.simple (YYSTACK_REALLOC): New.
20988 (yyparse) [!yyoverflow]: Use it and free the old stack.
20989 Reported by Per Allansson.
20990
20991 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
20992
20993 * src/bison.simple: Define type yystype instead of YYSTYPE, and
20994 define CPP macro, which substitute YYSTYPE by yystype.
20995 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
20996 with yyltype/YYLTYPE. This allows inclusion of the generated
20997 header within the parser if the compiler, such as GGC, accepts
20998 multiple equivalent #defines.
20999 From Akim.
21000
21001 2001-11-05 Akim Demaille <akim@epita.fr>
21002
21003 * src/reader.c (symbols_output): New, extracted from...
21004 (packsymbols): here.
21005 (reader): Adjust.
21006
21007 2001-11-05 Akim Demaille <akim@epita.fr>
21008
21009 * src/lex.c (parse_percent_token): s/quotearg/quote/.
21010
21011 2001-11-05 Akim Demaille <akim@epita.fr>
21012
21013 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
21014 pattern.
21015
21016 2001-11-05 Akim Demaille <akim@epita.fr>
21017
21018 * src/options.h (struct option_table_struct): set_flags is void*.
21019 * src/options.c (longopts): Support `--output' and `%output'.
21020 (usage): Adjust.
21021 * src/lex.h (tok_setopt): Remove, replaced with...
21022 (tok_intopt, tok_stropt): these new guys.
21023 * src/lex.c (getopt.h): Not needed.
21024 (token_buffer, unlexed_token_buffer): Not const.
21025 (percent_table): Promote `-' over `_' in directive names.
21026 Active `%name-prefix', `file-prefix', and `output'.
21027 (parse_percent_token): Accept possible arguments to directives.
21028 Promote `-' over `_' in directive names.
21029
21030 2001-11-04 Akim Demaille <akim@epita.fr>
21031
21032 * doc/bison.texinfo (Decl Summary): Split the list into
21033 `directives for grammars' and `directives for bison'.
21034 Sort'em.
21035 Add description of `%name-prefix', `file-prefix', and `output'.
21036 Promote `-' over `_' in directive names.
21037 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
21038 Simplify the description of `--name-prefix'.
21039 Promote `-' over `_' in directive names.
21040 Promote `--output' over `--output-file'.
21041 Fix the description of `--defines'.
21042 * tests/output.at: Exercise %file-prefix and %output.
21043
21044 2001-11-02 Akim Demaille <akim@epita.fr>
21045
21046 * doc/refcard.tex: Update.
21047
21048 2001-11-02 Akim Demaille <akim@epita.fr>
21049
21050 * src/symtab.h (SUNDEF): New.
21051 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
21052 stand for `uninitialized', instead of 0.
21053 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
21054 * src/lex.c (lex): Adjust.
21055
21056 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
21057 Number it 0.
21058 Let yylex return it instead of a plain 0.
21059 Reported by Dick Streefland.
21060
21061 2001-11-02 Akim Demaille <akim@epita.fr>
21062
21063 * tests/regression.at (Mixing %token styles): New test.
21064
21065 2001-11-02 Akim Demaille <akim@epita.fr>
21066
21067 * src/reader.c (parse_thong_decl): Formatting changes.
21068 (token_translations_init): New, extracted from...
21069 (packsymbols): Here.
21070 Adjust.
21071
21072 2001-11-01 Akim Demaille <akim@epita.fr>
21073
21074 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
21075 Check that `9foo.y' produces correct cpp guards.
21076 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
21077 guards.
21078 Reported by Wwp.
21079
21080 2001-11-01 Akim Demaille <akim@epita.fr>
21081
21082 * tests/regression.at (Invalid input: 2): New.
21083 * src/lex.c (unlexed_token_buffer): New.
21084 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
21085 too.
21086 Reported by Wwp.
21087
21088 2001-11-01 Akim Demaille <akim@epita.fr>
21089
21090 * tests/calc.at: Catch up with 1.30.
21091 * configure.in: Bump to 1.49a.
21092 Adjust to newer Autotest.
21093
21094 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
21095
21096 * src/conflicts.c: Move global variables rrc_total and src_total ...
21097 (print_conflicts): here.
21098 * src/output.c (output): Free global variable user_toknums.
21099 * src/lex.c (token_obstack): Become static.
21100
21101 2001-10-18 Akim Demaille <akim@epita.fr>
21102
21103 * tests/atlocal.in (GCC): Add.
21104 * tests/calc.at: s/m4_match/m4_bmatch/.
21105 s/m4_patsubst/m4_bpatsubst/.
21106 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
21107 * configure.in: AC_SUBST(GCC).
21108
21109 2001-10-14 Marc Autret <autret_m@epita.fr>
21110
21111 * src/options.c (create_long_option_table): Fix.
21112
21113 2001-10-10 Akim Demaille <akim@epita.fr>
21114
21115 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
21116
21117 2001-10-04 Akim Demaille <akim@epita.fr>
21118
21119 * src/reader.c (parse_union_decl): Push the caracters in
21120 union_obstack, not attrs_obstack.
21121
21122 2001-10-04 Akim Demaille <akim@epita.fr>
21123
21124 Merge in the branch 1.29.
21125
21126 * src/reader.c (packsymbols): Use a temporary obstack for
21127 `%%tokendef', since output_stack is already used elsewhere.
21128
21129 2001-10-02 Akim Demaille <akim@epita.fr>
21130
21131 Bump 1.29d.
21132
21133 2001-10-02 Akim Demaille <akim@epita.fr>
21134
21135 Version 1.29c.
21136
21137 2001-10-02 Akim Demaille <akim@epita.fr>
21138
21139 * tests/regression.at (Invalid CPP headers): New.
21140 From Alexander Belopolsky.
21141 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
21142
21143 2001-10-02 Akim Demaille <akim@epita.fr>
21144
21145 * tests/regression.at (Invalid input): New.
21146 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
21147 Reported by Shura.
21148
21149 2001-10-02 Akim Demaille <akim@epita.fr>
21150
21151 * tests/calc.at: Now that --debug works, the tests must be adjusted.
21152
21153 2001-10-02 Akim Demaille <akim@epita.fr>
21154
21155 * src/output.c (output_parser): Assert `skeleton'.
21156 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
21157 systems.
21158 From Shura.
21159
21160 2001-10-01 Marc Autret <autret_m@epita.fr>
21161
21162 * src/lex.h: Echo modifications.
21163 * src/lex.c (unlex): Parameter is now token_t.
21164 From Hans Aberg.
21165
21166 2001-10-01 Marc Autret <autret_m@epita.fr>
21167
21168 * src/main.c: Include lex.h.
21169 From Hans Aberg.
21170
21171 2001-09-29 Akim Demaille <akim@epita.fr>
21172
21173 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
21174
21175 2001-09-28 Akim Demaille <akim@epita.fr>
21176
21177 * tests/testsuite.at: Update to newer Autotest.
21178 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
21179
21180 2001-09-27 Akim Demaille <akim@epita.fr>
21181
21182 Position independent wrapper.
21183
21184 * tests/bison: Remove.
21185 * tests/bison.in: New.
21186 * configure.in: Adjust.
21187
21188 2001-09-27 Paul Eggert <eggert@twinsun.com>
21189
21190 Port quotearg fixes from tar 1.13.24.
21191
21192 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
21193 tm to be declared.
21194 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
21195 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
21196
21197 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
21198 * m4/mbrtowc.m4: New file.
21199 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
21200 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
21201
21202 2001-09-27 Akim Demaille <akim@epita.fr>
21203
21204 Bump to 1.29c.
21205
21206 2001-09-27 Akim Demaille <akim@epita.fr>
21207
21208 Version 1.29b.
21209
21210 2001-09-25 Akim Demaille <akim@epita.fr>
21211
21212 * src/system.h: Include `xalloc.h'.
21213 Remove it from the C files.
21214 * src/files.c (output_files): Free the obstacks.
21215 * src/lex.c (init_lex): Rename as...
21216 (lex_init): this.
21217 (lex_free): New.
21218 * src/main.c (main): Use it.
21219
21220 2001-09-24 Marc Autret <autret_m@epita.fr>
21221
21222 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
21223 to output informations in fout (FILE*).
21224 (open_graph, close_graph): Likewise.
21225 (output_graph, output_edge, output_node): Likewise.
21226 * src/vcg.h: Update function prototypes.
21227 * src/print_graph.c (print_graph): Open output graph file.
21228 (print_actions): Adjust.
21229 * src/files.h: Remove extern declaration.
21230 * src/files.c: Remove graph_obstack declaration.
21231 (open_files): Remove graph_obstack initialization.
21232 (output_files): Remove graph_obstack saving.
21233
21234 2001-09-24 Marc Autret <autret_m@epita.fr>
21235
21236 * src/files.c (compute_output_file_names): Fix.
21237
21238 2001-09-24 Marc Autret <autret_m@epita.fr>,
21239 Akim Demaille <akim@epita.fr>
21240
21241 * src/reader.c (reader): Remove call to free_symtab ().
21242 * src/main.c (main): Call it here.
21243 Include symtab.h.
21244 * src/conflicts.c (initialize_conflicts): Rename as...
21245 (solve_conflicts): this.
21246 * src/print.c (print_core, print_actions, print_state)
21247 (print_grammar): Dump to a file instead a `output_obstack'.
21248 (print_results): Dump `output_obstack', and then proceed with the
21249 FILE *.
21250 * src/files.c (compute_output_file_names, close_files): New.
21251 (output_files): Adjust.
21252 * src/main.c (main): Adjust.
21253
21254 2001-09-23 Marc Autret <autret_m@epita.fr>
21255
21256 * src/files.c (compute_header_macro): Computes header macro name
21257 from spec_defines_file when given.
21258
21259 2001-09-23 Marc Autret <autret_m@epita.fr>
21260
21261 * src/files.c (output_files): Add default extensions.
21262
21263 2001-09-22 Akim Demaille <akim@epita.fr>
21264
21265 * src/conflicts.c (finalize_conflicts): Rename as...
21266 (free_conflicts): this.
21267
21268 2001-09-22 Akim Demaille <akim@epita.fr>
21269
21270 * src/gram.c (gram_free): Rename back as...
21271 (dummy): this.
21272 (output_token_translations): Free `token_translations'.
21273 * src/symtab.c (free_symtab): Free the tag field.
21274
21275 2001-09-22 Akim Demaille <akim@epita.fr>
21276
21277 Remove `translations' as it is always set to true.
21278
21279 * src/gram.h: Adjust.
21280 * src/reader.c (packsymbols, parse_token_decl): Adjust
21281 * src/print.c (print_grammar): Adjust.
21282 * src/output.c (output_token_translations): Adjust.
21283 * src/lex.c (lex): Adjust.
21284 * src/gram.c: Be sure the set pointers to NULL.
21285 (dummy): Rename as...
21286 (gram_free): this.
21287
21288 2001-09-22 Akim Demaille <akim@epita.fr>
21289
21290 * configure.in: Invoke AM_LIB_DMALLOC.
21291 * src/system.h: Use dmalloc.
21292 * src/LR0.c: Be sure to have pointers initialized to NULL.
21293 (allocate_itemsets): Allocate kernel_items only if needed.
21294
21295 2001-09-22 Akim Demaille <akim@epita.fr>
21296
21297 * configure.in: Bump to 1.29b.
21298 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
21299 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
21300 need xmalloc.c in calc.y.
21301 From Pascal Bart.
21302
21303 2001-09-21 Akim Demaille <akim@epita.fr>
21304
21305 Version 1.29a.
21306 * Makefile.maint, config/config.guess, config/config.sub,
21307 * config/missing: Update from masters.
21308 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
21309 upon package.m4.
21310 * configure.in (ALL_LINGUAS): Add `tr'.
21311
21312 2001-09-21 Akim Demaille <akim@epita.fr>
21313
21314 * tests/Makefile.am (package.m4): Move to...
21315 ($(srcdir)/$(TESTSUITE)): here.
21316
21317 2001-09-20 Akim Demaille <akim@epita.fr>
21318
21319 * src/complain.c: No longer try to be standalone: use system.h.
21320 Don't assume __STDC__ is defined to 1. Just test if it is defined.
21321 * src/complain.h: Likewise.
21322 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
21323 Remove the unused variable `n'.
21324 From Albert Chin-A-Young.
21325
21326 2001-09-18 Marc Autret <autret_m@epita.fr>
21327
21328 * doc/bison.1: Update.
21329 * doc/bison.texinfo (Bison Options): Update --defines and --graph
21330 descriptions.
21331 (Option Cross Key): Update.
21332 Add --graph.
21333
21334 2001-09-18 Marc Autret <autret_m@epita.fr>
21335
21336 * tests/regression.at: New test (comment in %union).
21337
21338 2001-09-18 Marc Autret <autret_m@epita.fr>
21339
21340 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
21341 do that.
21342 Reported by Keith Browne.
21343
21344 2001-09-18 Marc Autret <autret_m@epita.fr>
21345
21346 * tests/output.at: Add tests for --defines and --graph.
21347
21348 2001-09-18 Marc Autret <autret_m@epita.fr>
21349
21350 * tests/output.at: Removes tests of %{header,src}_extension features.
21351
21352 2001-09-18 Akim Demaille <akim@epita.fr>
21353
21354 * tests/Makefile.am (package.m4): New.
21355 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
21356 (_AT_CHECK_CALC_ERROR): Likewise.
21357 Factor the `, ' part of verbose error messages.
21358
21359 2001-09-18 Marc Autret <autret_m@epita.fr>
21360
21361 * src/getargs.c (longopts): Declare --defines and --graph as options
21362 with optional arguments.
21363 * src/files.h: Add extern declarations.
21364 * src/files.c (spec_graph_file, spec_defines_file): New.
21365 (output_files): Update.
21366 Remove CPP-outed code.
21367
21368 2001-09-18 Marc Autret <autret_m@epita.fr>
21369
21370 Turn off %{source,header}_extension feature.
21371
21372 * src/files.c (compute_exts_from_gf): Update.
21373 (compute_exts_from_src): Update.
21374 (output_files): CPP-out useless code.
21375 * src/files.h: Remove {header,source}_extension extern declarations.
21376 * src/reader.c (parse_dquoted_param): CPP-out.
21377 (parse_header_extension_decl): Remove.
21378 (parse_source_extension_decl): Remove.
21379 (read_declarations): Remove cases tok_{hdrext,srcext}.
21380 * src/lex.c (percent_table): Remove {header,source}_extension entries.
21381 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
21382
21383 2001-09-10 Akim Demaille <akim@epita.fr>
21384
21385 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
21386 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
21387 (AT_CHECK_OUTPUT): this.
21388 Merely check ls' exit status, its output is useless.
21389
21390 2001-09-10 Akim Demaille <akim@epita.fr>
21391
21392 * tests/calc.at: Use m4_match.
21393 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
21394
21395 2001-09-10 Marc Autret <autret_m@epita.fr>,
21396 Akim Demaille <akim@epita.fr>
21397
21398 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
21399 enum color_e.
21400 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
21401 to `normal'.
21402 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
21403 * src/lex.h: Adjust prototype.
21404 (token_t): Add `tok_undef'.
21405 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
21406 (parse_percent_token): Now returns token_t.
21407 Add default statement in switch.
21408 (lex): Separate `c' as an input variable, from the token_t result
21409 part.
21410 (unlexed): Is a token_t.
21411
21412 2001-09-10 Akim Demaille <akim@epita.fr>
21413
21414 * configure.in: Bump to 1.29a.
21415
21416 2001-09-07 Akim Demaille <akim@epita.fr>
21417
21418 Version 1.29.
21419
21420 2001-08-30 Akim Demaille <akim@epita.fr>
21421
21422 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
21423 * m4/atconfig.m4: Remove.
21424 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
21425 * tests/bison: New.
21426 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
21427 m4_if, m4_patsubst, and m4_regexp.
21428 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
21429 `input' file instead of echo.
21430
21431 2001-08-29 Akim Demaille <akim@epita.fr>
21432
21433 Bump to 1.28e.
21434
21435 2001-08-29 Akim Demaille <akim@epita.fr>
21436
21437 Version 1.28d.
21438
21439 2001-08-29 Paul Eggert <eggert@twinsun.com>
21440
21441 * src/bison.simple (yyparse): Don't take the address of an
21442 item before the start of an array, as that doesn't conform to
21443 the C Standard.
21444
21445 2001-08-29 Robert Anisko <anisko_r@epita.fr>
21446
21447 * doc/bison.texinfo (Location Tracking Calc): New node.
21448
21449 2001-08-29 Paul Eggert <eggert@twinsun.com>
21450
21451 * src/output.c (output): Do not define const, as this now
21452 causes more problems than it cures.
21453
21454 2001-08-29 Akim Demaille <akim@epita.fr>
21455
21456 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
21457 the nodes.
21458 Be sure to tag the `detailmenu'.
21459
21460 2001-08-29 Akim Demaille <akim@epita.fr>
21461
21462 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
21463 download in a tmp dir.
21464
21465 2001-08-28 Marc Autret <autret_m@epita.fr>
21466
21467 * config/depcomp: New file.
21468
21469 2001-08-28 Marc Autret <autret_m@epita.fr>
21470
21471 * doc/bison.1 (mandoc): Adjust.
21472 From Juan Manuel Guerrero.
21473
21474 2001-08-28 Marc Autret <autret_m@epita.fr>
21475
21476 * src/print_graph.c (print_state): Fix.
21477
21478 2001-08-27 Marc Autret <autret_m@epita.fr>
21479
21480 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
21481 char * members.
21482 Echo modifications to the functions prototypes.
21483 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
21484
21485 2001-08-27 Marc Autret <autret_m@epita.fr>
21486
21487 * src/vcg.c: Include `xalloc.h'.
21488 (add_colorentry): New.
21489 (add_classname): New.
21490 (add_infoname): New.
21491 * src/vcg.h: Add new prototypes.
21492
21493 2001-08-27 Akim Demaille <akim@epita.fr>
21494
21495 * Makefile.maint: Sync. again with CVS Autoconf.
21496
21497 2001-08-27 Akim Demaille <akim@epita.fr>
21498
21499 * Makefile.maint: Formatting changes.
21500 (po-update, cvs-update, update): New targets.
21501 (AMTAR): Remove.
21502
21503 2001-08-27 Akim Demaille <akim@epita.fr>
21504
21505 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
21506 * Makefile.maint: Sync. with CVS Autoconf.
21507
21508 2001-08-27 Marc Autret <autret_m@epita.fr>
21509
21510 * src/vcg.h (struct infoname_s): New.
21511 (struct colorentry_s): New.
21512 (graph_s): New fields {vertical,horizontal}_order in structure.
21513 Add `infoname' field.
21514 Add `colorentry' field;
21515 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
21516 (G_HORIZONTAL_ORDER): New.
21517 (G_INFONAME): New.
21518 (G_COLORENTRY): New.
21519 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
21520 Add output of `infoname'.
21521 Add output of `colorentry'.
21522
21523 2001-08-27 Marc Autret <autret_m@epita.fr>
21524
21525 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
21526 This one shadowed a global parameter.
21527
21528 2001-08-24 Marc Autret <autret_m@epita.fr>
21529
21530 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
21531 instead of `unsigned'.
21532 (print_state): Do not call obstack_object_size () in obstack_grow ()
21533 to avoid macro variables shadowing.
21534
21535 2001-08-23 Marc Autret <autret_m@epita.fr>
21536
21537 * src/lex.c (percent_table): Typo: s/naem/name/.
21538 Add graph option.
21539 Normalize new options declarations.
21540
21541 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
21542
21543 * tests/suite.at: Exercise %header_extension and %source_extension.
21544
21545 2001-08-16 Marc Autret <autret_m@epita.fr>
21546
21547 * src/reader.c (parse_dquoted_param): New.
21548 (parse_header_extension_decl): Use it.
21549 (parse_source_extension_decl): Likewise.
21550
21551 2001-08-16 Marc Autret <autret_m@epita.fr>
21552
21553 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
21554 (get_xxxx_str): Use assert () instead of complain ().
21555 Remove return invokations in default cases.
21556 (get_decision_str): Modify default behaviour. Remove second argument.
21557 Echo modifications on calls.
21558 (output_graph): Fix.
21559
21560 2001-08-16 Marc Autret <autret_m@epita.fr>
21561
21562 * src/getargs.c (usage): Update with ``-g, --graph''.
21563
21564 2001-08-16 Marc Autret <autret_m@epita.fr>
21565
21566 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
21567 (Option Cross Key): Likewise.
21568 * doc/bison.1: Update.
21569
21570 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
21571
21572 * src/output.c (output_master_parser): Don't finish action_obstack.
21573 (output_parser): Don't care about the muscle action, here.
21574 (prepare): Copy the action_obstack in the action muscle.
21575 (output): Free action_obstack.
21576
21577 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21578
21579 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
21580 will contain `%union' declaration.
21581 (parse_union_decl): Delete #line directive output.
21582 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
21583 informations about %union.
21584 (parse_union_decl): Copy the union_obstack in the muscle stype.
21585 * src/bison.simple: Add new #line directive.
21586 Add typdef %%stype YYSTYPE.
21587
21588 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21589
21590 * src/bison.simple: Add new `#line' directive.
21591
21592 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
21593
21594 * src/bison.simple: New `#line' directive.
21595 * src/output.c (output_parser): Support new dynamic muscle input_line.
21596
21597 2001-09-22 Marc Autret <autret_m@epita.fr>
21598
21599 * src/output.c (output_master_parser): New.
21600 (output_parser): Be more re-entrant.
21601
21602 2001-09-21 Marc Autret <autret_m@epita.fr>
21603
21604 * src/reader.c (copy_definition, parse_union_decl): Update and use
21605 `linef' muscle.
21606 (copy_action): Likewise.
21607 Use obstack_1grow ().
21608 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
21609
21610 2001-09-21 Marc Autret <autret_m@epita.fr>
21611
21612 * src/options.c (option_table): Adjust.
21613 * src/lex.c (parse_percent_token): Fix.
21614
21615 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21616
21617 * src/options.c (symtab.h): Include it, need by lex.h.
21618
21619 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21620
21621 * src/lex.c (parse_percent_token): Change type of variable `tx', which
21622 is now an option_table_struct*.
21623 (option_strcmp): New function option_strcmp.
21624 (parse_percent_token): Call option_strcmp.
21625 * src/getargs.c (xalloc.h, options.h): Include it.
21626 (getargs): Call create_long_option_table.
21627 (getargs): Free longopts at the end of the function.
21628 (shortopts): Move in options.c.
21629 * src/options.c (create_long_option_table): New function. Convert
21630 information from option_table to option structure.
21631 * src/reader.c (options.h): Include it.
21632
21633 * src/Makefile.am: Adjust.
21634 * src/options.c (option_table): Create from longopts and percent_table.
21635 * src/getargs.c (longopts): Delete.
21636 * src/lex.c (struct percent_table_struct): Delete.
21637 (percent_table): Delete.
21638 (options.h): Include it.
21639 * src/options.c: Create.
21640 * src/options.h: Create.
21641 Declare enum opt_access_e.
21642 Define struct option_table_struct.
21643
21644 2001-09-20 Marc Autret <autret_m@epita.fr>
21645
21646 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
21647 sections of Bison.
21648
21649 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
21650
21651 * src/bison.simple: s/%%filename/%%skeleton.
21652 * src/muscle_tab.c (getargs.h): Include it.
21653 (muscle_init): Insert new muscle skeleton.
21654
21655 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
21656
21657 * src/output.c (output_parser): Delete unused variable actions_dumped.
21658
21659 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
21660
21661 * src/output.c (output): Delete call to reader_output_yylsp.
21662 * src/reader.c (reader): Likewise.
21663 * src/reader.h: Delete declaration of reader_output_yylsp.
21664
21665 2001-09-02 Marc Autret <autret_m@epita.fr>
21666
21667 * src/reader.c: Include muscle_tab.h.
21668 (parse_union_decl): Update.
21669 (parse_macro_decl): Rename parse_muscle_decl.
21670 Update to use renamed functions and variable.
21671 (read_declarations, copy_action, read_additionnal_code, : Updated
21672 with correct variables and functions names.
21673 (packsymbols, reader): Likewise.
21674
21675 * src/reader.h (muscle_obstack): Extern declaration update.
21676
21677 * src/output.c: Include muscle_tab.h
21678 In all functions using macro_insert, change by using muscle_insert ().
21679 (macro_obstack): Rename muscle_obstack.
21680 Echo modifications in the whole file.
21681 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
21682 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
21683 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
21684
21685 * src/muscle_tab.h: Update double inclusion macros.
21686 (macro_entry_s): Rename muscle_entry_s.
21687 Update prototypes.
21688
21689 * src/muscle_tab.c: Include muscle_tab.h.
21690 Rename macro_tabble to muscle_table.
21691 (mhash1, mhash2, mcmp): Use muscle_entry.
21692 (macro_init): Rename muscle_init. Update.
21693 (macro_insert): Rename muscle_insert. Update.
21694 (macro_find): Rename muscle_find. Update.
21695
21696 * src/main.c: Include muscle_tab.h.
21697 (main): Call muscle_init ().
21698 * src/Makefile.am (bison_SOURCES): Echo modifications.
21699
21700 2001-09-02 Marc Autret <autret_m@epita.fr>
21701
21702 Now the files macro_tab.[ch] are named muscle_tab.[ch].
21703
21704 * src/muscle_tab.c, src/muscle_tab.h: Add files.
21705
21706 2001-09-02 Marc Autret <autret_m@epita.fr>
21707
21708 * src/macrotab.c, src/macrotab.h: Remove.
21709
21710 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
21711
21712 * src/reader.c (copy_guard): Use muscle to specify the `#line'
21713 filename.
21714
21715 2001-09-01 Marc Autret <autret_m@epita.fr>
21716
21717 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
21718 to an explicit value to activate the feature. We do it here.
21719
21720 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21721
21722 * src/output.c (prepare): Delete the `filename' muscule insertion.
21723 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
21724 (parse_union_decl): Likewise.
21725 * src/macrotab.c (macro_init): Initialize filename by infile.
21726
21727 2001-08-31 Marc Autret <autret_m@epita.fr>
21728
21729 * src/bison.simple (YYLSP_NEEDED): New definition.
21730 * src/output.c (prepare): Add macro insertion of `locations_flag'
21731
21732 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21733
21734 * src/output.c (prepare): Delete insertion of previous muscles,
21735 and insert the `prefix' muscles.
21736 * src/macrotab.c (macro_init): Likewise.
21737 (macro_init): Initialization prefix directive by `yy'.
21738 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
21739 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
21740 yylval, yydebug, yyerror, yynerrs and yyparse.
21741 New directive `#define' to substitute yydebug, ... with option
21742 name_prefix.
21743
21744 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21745
21746 * src/main.c (main): Standardize.
21747 * src/output.c (output_table_data, output_parser): Likewise.
21748 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
21749
21750 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
21751
21752 * src/reader.c (read_additionnal_code): Rename %%user_code to
21753 %%epilogue.
21754 * src/output.c (output): Rename %%declarations to %%prologue.
21755 * src/bison.simple: Echo modifications.
21756
21757 2001-08-31 Marc Autret <autret_m@epita.fr>
21758
21759 * src/reader.c (readgram): CleanUp.
21760 (output_token_defines): Likewise.
21761 (packsymbols): Likewise.
21762 (reader): Likewise.
21763 * src/output.c (output): CPP-out useless code.
21764
21765 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21766
21767 * src/reader.c (reader): Delete obsolete call to function
21768 output_trailers and output_headers.
21769 * src/output.h: Remove obsolete functions prototypes of output_headers
21770 and output_trailers.
21771
21772 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
21773
21774 * src/main.c: Include macrotab.h.
21775 * src/macrotab.h (macro_entry_s): Constify fields.
21776 Adjust functions prototypes.
21777 * src/macrotab.c (macro_insert): Constify key and value.
21778 (macro_find): Constify key.
21779 (macro_insert): Include 'xalloc.h'
21780 (macro_insert): Use XMALLOC.
21781 (macro_find): Constify return value.
21782 * src/output.c (output_table_data): Rename table to table_data.
21783 (output_parser): Constify macro_key, macro_value.
21784
21785 2001-08-30 Marc Autret <autret_m@epita.fr>
21786
21787 * src/reader.c (parse_skel_decl): New.
21788 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
21789 * src/lex.h (token_t): New token `tok_skel'.
21790 * src/lex.c (percent_table): Add skeleton option entry.
21791 Standardize.
21792
21793 2001-08-29 Marc Autret <autret_m@epita.fr>
21794
21795 * src/bison.simple: Add %%user_code directive at the end.
21796 * src/reader.c (read_additionnal_code): New.
21797 (reader): Use it.
21798 * src/output.c (output_program): Remove.
21799 (output): Update.
21800
21801 2001-08-28 Marc Autret <autret_m@epita.fr>
21802
21803 * src/output.c (output_actions): Clean up.
21804 (output_gram): CPP-out useless code.
21805 * src/reader.c (reader): Clean up, CPP-out useless code.
21806
21807 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
21808
21809 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
21810 directive.
21811 * src/bison.simple: Add `%%definitions'.
21812
21813 2001-08-28 Marc Autret <autret_m@epita.fr>
21814
21815 * config/depcomp: New file.
21816
21817 2001-08-27 Paul Eggert <eggert@twinsun.com>
21818
21819 * src/bison.simple (yyparse): Don't take the address of an
21820 item before the start of an array, as that doesn't conform to
21821 the C Standard.
21822
21823 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
21824
21825 * src/output.c (output): Remove the initialization of the macro
21826 obstack. It was done too late here.
21827
21828 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
21829 completely wrong.
21830 (reader): Initialize the macro obstack here, since we need it to grow
21831 '%define' directives.
21832
21833 * src/reader.h: Declare the macro obstack as extern.
21834
21835 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
21836
21837 * src/output.c (output_parser): Fix. Store single '%' characters in
21838 the output obstack instead of throwing them away.
21839
21840 2001-08-27 Akim Demaille <akim@epita.fr>
21841
21842 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
21843
21844 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21845
21846 * lib/Makefile.am: Adjust.
21847
21848 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21849
21850 * src/bison.simple: Update and add '%%' directives.
21851
21852 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21853
21854 * src/reader.c (reader): Remove calls to 'output_headers' and
21855 'output_trailers'. Remove some C output.
21856 (readgram): Disable a piece of code that was writing a default
21857 definition for 'YYSTYPE'.
21858 (reader_output_yylsp): Remove.
21859 (packsymbols): Output token defintions to a macro.
21860 (copy_definition): Disable C output.
21861
21862 * src/reader.c (parse_macro_decl): New function used to parse macro
21863 declarations.
21864 (copy_string2): Put the body of copy_string into this new function.
21865 Add a parameter to let the caller choose whether he wants to copy the
21866 string delimiters or not.
21867 (copy_string): Be a simple call to copy_string2 with the last argument
21868 bound to true.
21869 (read_declarations): Add case for macro definition.
21870 (copy_identifier): New.
21871 (parse_macro_decl): Read macro identifiers using copy_identifier
21872 rather than lex.
21873
21874 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21875
21876 * src/output.c (prepare): Add prefixed names.
21877 (output_parser): Output semantic actions.
21878 (output_parser): Fix bug on '%%line' directives.
21879
21880 * src/output.c (output_headers): Remove. The C code printed by this
21881 function should now be in the skeletons.
21882 (output_trailers): Remove.
21883 (output): Disable call to 'reader_output_yylsp'.
21884 (output_rule_data): Do not output tables to the table obstack.
21885
21886 * src/output.c: Remove some C dedicated output.
21887 Improve the use of macro and output obstacks.
21888 (output_defines): Remove.
21889
21890 * src/output.c (output_token_translations): Associate 'translate'
21891 table with a macro. No output to the table obstack.
21892 (output_gram): Same for 'rhs' and 'prhs'.
21893 (output_stos): Same for 'stos'.
21894 (output_rule_data): Same for 'r1' and 'r2'.
21895 (token_actions): Same for 'defact'.
21896 (goto_actions): Same for 'defgoto'.
21897 (output_base): Same for 'pact' and 'pgoto'.
21898 (output_table): Same for 'table'.
21899 (output_check): Same for 'check'.
21900
21901 * src/output.c (output_table_data): New function.
21902 (output_short_table): Remove.
21903 (output_short_or_char_table): Remove.
21904
21905 * src/output.c (output_parser): Replace most of the skeleton copy code
21906 with something new. Skeletons are now processed character by character
21907 rather than line by line, and Bison looks for '%%' macros. This is the
21908 first step in making Bison's output process (a lot) more flexible.
21909 (output_parser): Use the macro table.
21910
21911 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21912
21913 * src/main.c (main): Initialize the macro table.
21914
21915 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21916
21917 * src/lex.c (percent_table): Add tok_define.
21918 * src/lex.h: Add tok_define.
21919
21920 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21921
21922 * src/macrotab.c: New file.
21923 * src/macrotab.h: New file.
21924 * src/Makefile.am: Update.
21925
21926 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21927
21928 * lib/hash.c: New file.
21929 * lib/hash.h: New file.
21930 * lib/Makefile.am: Update.
21931
21932 2001-08-15 Akim Demaille <akim@epita.fr>
21933
21934 Version 1.28c.
21935
21936 2001-08-15 Marc Autret <autret_m@epita.fr>
21937
21938 * src/reader.c (readgram): Indent output macro YYSTYPE.
21939 (packsymbols): Likewise.
21940 (output_token_defines): Likewise.
21941 * src/files.c: Standardize.
21942 (compute_header_macro): New.
21943 (defines_obstack_save): New. Use compute_header_macro.
21944 (output_files): Update. Use defines_obstack_save.
21945
21946 2001-08-15 Akim Demaille <akim@epita.fr>
21947
21948 * doc/bison.texinfo (Table of Symbols): Document
21949 YYSTACK_USE_ALLOCA.
21950
21951 2001-08-15 Akim Demaille <akim@epita.fr>
21952
21953 * missing: Update from CVS Automake.
21954 * config/config.guess, config/config.sub, config/texinfo.tex:
21955 Update from gnu.org.
21956
21957 2001-08-15 Akim Demaille <akim@epita.fr>
21958
21959 * Makefile.maint: Sync with CVS Autoconf.
21960
21961 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
21962
21963 * doc/bison.texinfo: Include GNU Free Documentation License from
21964 `fdl.texi'.
21965 * doc/fdl.texi: Add to package.
21966
21967 2001-08-14 Marc Autret <autret_m@epita.fr>
21968
21969 Turn on %{source,header}_extension features.
21970
21971 * src/lex.c (percent_table): Un-CPP out header_extension and
21972 source_extension.
21973 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
21974 (compute_exts_from_src): Remove conditions. It restores priorities
21975 between options.
21976
21977 2001-08-14 Marc Autret <autret_m@epita.fr>
21978
21979 * src/files.c (compute_base_names): Add extensions computing when
21980 `--file-prefix' used.
21981 Standardize function calls.
21982
21983 2001-08-13 Marc Autret <autret_m@epita.fr>
21984
21985 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
21986 defining it (defined but null disables alloca).
21987
21988 2001-08-13 Marc Autret <autret_m@epita.fr>
21989
21990 * src/bison.simple (_yy_memcpy): CPP reformat.
21991
21992 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
21993
21994 * tests/atconfig.in (CPPFLAGS): Fix.
21995
21996 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
21997
21998 * doc/bison.texinfo: Include GNU General Public License from
21999 `gpl.texi'.
22000 * doc/gpl.texi: Add to package.
22001
22002 2001-08-10 Marc Autret <autret_m@epita.fr>
22003
22004 * src/print_graph.h: Fix.
22005 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
22006
22007 2001-08-10 Akim Demaille <akim@epita.fr>
22008
22009 * src/system.h: Provide default declarations for stpcpy, strndup,
22010 and strnlen.
22011
22012 2001-08-10 Robert Anisko <anisko_r@epita.fr>
22013
22014 * doc/bison.texinfo (Locations): Update @$ stuff.
22015
22016 2001-08-09 Robert Anisko <anisko_r@epita.fr>
22017
22018 * src/bison.simple (YYLLOC_DEFAULT): Update.
22019 (yyparse): Adjust.
22020
22021 2001-08-08 Marc Autret <autret_m@epita.fr>
22022
22023 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
22024 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
22025 Reported by Fabrice Bauzac.
22026
22027 2001-08-08 Marc Autret <autret_m@epita.fr>
22028
22029 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
22030 * src/vcg.c (output_node): Fix.
22031 * src/vcg.h: Cleanup.
22032 * src/print_graph.c: Add comments.
22033 (node_output_size): New global variable. Simplify the formatting of
22034 the VCG graph output.
22035 (print_actions): Unused code is now used. It notifies the final state
22036 and no action states in the VCG graph. It also give the reduce actions.
22037 The `shift and goto' edges are red and the `go to state' edges are
22038 blue.
22039 Get the current node name and node_obstack by argument.
22040 (node_obstack): New variable.
22041 (print_state): Manage node_obstack.
22042 (print_core): Use node_obstack given by argument.
22043 A node is not only computed here but in print_actions also.
22044 (print_graph): CPP out useless code instead of commenting it.
22045
22046 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
22047
22048 * tests/atconfig.in (CPPFLAGS): Fix.
22049
22050 2001-08-07 Akim Demaille <akim@epita.fr>
22051
22052 * src/print_graph.c (quote): New.
22053 (print_core): Use it.
22054
22055 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
22056
22057 * src/vcg.c (complain.h): Include it.
22058 Unepitaize `return' invocations.
22059 [NDEBUG] (main): Remove.
22060 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
22061 * src/files.c (open_files): Initialize graph_obstack.
22062 * src/print_graph.c (print_actions): CPP out useless code.
22063 (print_core): Don't output the last `\n' in labels.
22064 Use `quote'.
22065 * src/files.c (output_files): Output the VCG file.
22066 * src/main.c (main): Invoke print_graph ();
22067
22068 2001-08-06 Marc Autret <autret_m@epita.fr>
22069
22070 Automaton VCG graph output.
22071 Using option ``-g'' or long option ``--graph'', you can generate
22072 a gram_filename.vcg file containing a VCG description of the LALR (1)
22073 automaton of your grammar.
22074
22075 * src/main.c: Call to print_graph() function.
22076 * src/getargs.h: Update.
22077 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
22078 (graph_flag): New flag.
22079 (longopts): Update.
22080 (getargs): Add case `g'.
22081 * src/files.c (graph_obstack): New obstack struct.
22082 (open_files): Initialize new obstack.
22083 (output_files): Saves graph_obstack if required.
22084 * src/files.h (graph_obstack): New extern declaration.
22085 * src/Makefile.am: Add new source files.
22086
22087 2001-08-06 Marc Autret <autret_m@epita.fr>
22088
22089 * src/print_graph.c, src/print_graph.h (graph): New.
22090 * src/vcg.h: New file.
22091 * src/vcg.c: New file, VCG graph handling.
22092
22093 2001-08-06 Marc Autret <autret_m@epita.fr>
22094
22095 Add of %source_extension and %header_extension which specify
22096 the source or/and the header output file extension.
22097
22098 * src/files.c (compute_base_names): Remove initialisation of
22099 src_extension and header_extension.
22100 (compute_exts_from_gf): Update.
22101 (compute_exts_from_src): Update.
22102 (output_files): Update.
22103 * src/reader.c (parse_header_extension_decl): New.
22104 (parse_source_extension_decl): New.
22105 (read_declarations): New case statements for the new tokens.
22106 * src/lex.c (percent_table): Add entries for %source_extension
22107 and %header_extension.
22108 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
22109
22110 2001-08-06 Marc Autret <autret_m@epita.fr>
22111
22112 * configure.in: Bump to 1.28c.
22113 * doc/bison.texinfo: Texinfo thingies.
22114
22115 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
22116
22117 * tests/atconfig.in (CPPFLAGS): Add.
22118 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
22119
22120 2001-08-03 Akim Demaille <akim@epita.fr>
22121
22122 Version 1.28b.
22123
22124 2001-08-03 Akim Demaille <akim@epita.fr>
22125
22126 * tests/Makefile.am (check-local): Ship testsuite.
22127 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
22128 Include `string.h'.
22129
22130 2001-08-03 Akim Demaille <akim@epita.fr>
22131
22132 * configure.in: Try using -Wformat when compiling.
22133
22134 2001-08-03 Akim Demaille <akim@epita.fr>
22135
22136 * configure.in: Bump to 1.28b.
22137
22138 2001-08-03 Akim Demaille <akim@epita.fr>
22139
22140 * src/complain.c: Adjust strerror_r portability issues.
22141
22142 2001-08-03 Akim Demaille <akim@epita.fr>
22143
22144 Version 1.28a.
22145
22146 2001-08-03 Akim Demaille <akim@epita.fr>
22147
22148 * src/getargs.c, src/getarg.h (skeleton)): Constify.
22149 * src/lex.c (literalchar): Avoid name clashes on `buf'.
22150 * src/getargs.c: Include complain.h.
22151 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
22152 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
22153
22154 2001-08-03 Akim Demaille <akim@epita.fr>
22155
22156 * src/reader.c (readgram): Display hidden chars in error messages.
22157
22158 2001-08-03 Akim Demaille <akim@epita.fr>
22159
22160 Update to gettext 0.10.39.
22161
22162 2001-08-03 Akim Demaille <akim@epita.fr>
22163
22164 * lib/strspn.c: New.
22165
22166 2001-08-01 Marc Autret <autret_m@epita.fr>
22167
22168 * doc/bison.texinfo: Update.
22169 * doc/bison.1 (mandoc): Update.
22170 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
22171 * src/files.c: Support output files extensions computing.
22172 (src_extension): New static variable.
22173 (header_extension): New static variable.
22174 (tr): New function.
22175 (get_extension_index): New function, gets the index of an extension
22176 filename in a string.
22177 (compute_exts_from_gf): New function, computes extensions from the
22178 grammar file extension.
22179 (compute_exts_from_src): New functions, computes extensions from the
22180 C source file extension, file given by ``-o'' option.
22181 (compute_base_names): Update.
22182 (output_files): Update.
22183
22184 2001-08-01 Robert Anisko <anisko_r@epita.fr>
22185
22186 * doc/bison.texi: Document @$.
22187 (Locations): New section.
22188
22189 2001-07-18 Akim Demaille <akim@epita.fr>
22190
22191 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
22192 * config/prev-version.txt, config/move-if-change: New.
22193 * Makefile.am: Adjust.
22194
22195 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
22196
22197 * src/bison.simple (yyparse): Suppress warning `comparaison
22198 between signed and unsigned'.
22199
22200 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
22201
22202 * src/getargs.h (raw_flag): Remove.
22203 * src/getargs.c: Die on `-r'/`--raw'.
22204 * src/lex.c (parse_percent_token): Die on `%raw'.
22205 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
22206 * tests/calc.at: Suppress test with option `--raw'.
22207
22208 2001-07-14 Akim Demaille <akim@epita.fr>
22209
22210 * config/: New.
22211 * configure.in: Require Autoconf 2.50.
22212 Update to gettext 0.10.38.
22213
22214 2001-03-16 Akim Demaille <akim@epita.fr>
22215
22216 * doc/bison.texinfo: ANSIfy the examples.
22217
22218 2001-03-16 Akim Demaille <akim@epita.fr>
22219
22220 * getargs.c (skeleton): New variable.
22221 (longopts): --skeleton is a new option.
22222 (shortopts, getargs): -S is a new option.
22223 * getargs.h: Declare skeleton.
22224 * output.c (output_parser): Use it.
22225
22226 2001-03-16 Akim Demaille <akim@epita.fr>
22227
22228 * m4/strerror_r.m4: New.
22229 * m4/error.m4: Run AC_FUNC_STRERROR_R.
22230 * lib/error.h, lib/error.c: Update.
22231
22232 2001-03-16 Akim Demaille <akim@epita.fr>
22233
22234 * src/getargs.c (longopts): Clean up.
22235
22236 2001-02-21 Akim Demaille <akim@epita.fr>
22237
22238 * src/reader.c (gensym): `gensym_count' is your own.
22239 Use a static buf to create the symbol name, as token_buffer is no
22240 longer a buffer.
22241
22242 2001-02-08 Akim Demaille <akim@epita.fr>
22243
22244 * src/conflicts.c (conflict_report): Be sure not to append to res
22245 between two calls, which could happen if both first sprintf were
22246 skipped, but not the first cp += strlen.
22247
22248 2001-02-08 Akim Demaille <akim@epita.fr>
22249
22250 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
22251 New, from fileutils 4.0.37.
22252 * configure.in: Require Autoconf 2.49c. I took some time before
22253 making this decision. This is the only way out for portability
22254 issues in Bison, it would mean way too much duplicate effort to
22255 import in Bison features implemented in 2.49c since 2.13.
22256 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
22257
22258 2001-02-02 Akim Demaille <akim@epita.fr>
22259
22260 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
22261 * lib/xalloc.h, lib/xmalloc.c: Update.
22262
22263 2001-01-19 Akim Demaille <akim@epita.fr>
22264
22265 Get rid of the ad hoc handling of token_buffer in the scanner: use
22266 the obstacks.
22267
22268 * src/lex.c (token_obstack): New.
22269 (init_lex): Initialize it. No longer call...
22270 (grow_token_buffer): this. Remove it.
22271 Adjust all the places which used it to use the obstack.
22272
22273 2001-01-19 Akim Demaille <akim@epita.fr>
22274
22275 * src/lex.h: Rename all the tokens:
22276 s/\bENDFILE\b/tok_eof/g;
22277 s/\bIDENTIFIER\b/tok_identifier/g;
22278 etc.
22279 Let them be enums, not #define, to ease debugging.
22280 Adjust all the code.
22281
22282 2001-01-18 Akim Demaille <akim@epita.fr>
22283
22284 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
22285 * src/lex.c (maxtoken, grow_token_buffer): Static.
22286
22287 2001-01-18 Akim Demaille <akim@epita.fr>
22288
22289 Since we now use obstacks, more % directives can be enabled.
22290
22291 * src/lex.c (percent_table): Also accept `%yacc',
22292 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
22293 `%debug'.
22294 Handle the actions for `%semantic_parser' and `%pure_parser' here,
22295 instead of returning a token.
22296 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
22297 * src/reader.c (read_declarations): Adjust.
22298 * src/files.c (open_files): Don't call `compute_base_names', don't
22299 compute `attrsfile' since they depend upon data which might be
22300 *in* the input file now.
22301 (output_files): Do it here.
22302 * src/output.c (output_headers): Document the fact that this patch
22303 introduces a guaranteed SEGV for semantic parsers.
22304 * doc/bison.texinfo: Document them.
22305 * tests/suite.at: Exercise these %options.
22306
22307 2000-12-20 Akim Demaille <akim@epita.fr>
22308
22309 Also handle the output file (--verbose) with obstacks.
22310
22311 * files.c (foutput): Remove.
22312 (output_obstack): New.
22313 Adjust all dependencies.
22314 * src/conflicts.c: Return a string.
22315 * src/system.h (obstack_grow_string): Rename as...
22316 (obstack_sgrow): this. Be ready to work with non literals.
22317 (obstack_fgrow4): New.
22318
22319 2000-12-20 Akim Demaille <akim@epita.fr>
22320
22321 * src/files.c (open_files): Fix the computation of short_base_name
22322 in the case of `-o foo.tab.c'.
22323
22324 2000-12-20 Akim Demaille <akim@epita.fr>
22325
22326 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
22327 (copy_dollar): Now that everything uses obstacks, get rid of the
22328 FILE * parameters.
22329
22330 2000-12-20 Akim Demaille <akim@epita.fr>
22331
22332 * src/files.c (open_files): Actually the `.output' file is based
22333 on the short_base_name, not base_name.
22334 * tests/suite.at (Checking output file names): Adjust.
22335
22336 2000-12-20 Akim Demaille <akim@epita.fr>
22337
22338 * src/bison.s1: Remove, we now use directly...
22339 * src/bison.simple: this.
22340 * src/Makefile.am: Use pkgdata instead of data.
22341
22342 2000-12-20 Akim Demaille <akim@epita.fr>
22343
22344 * src/files.c (guard_obstack): New.
22345 (open_files): Initialize it.
22346 (output_files): Dump it...
22347 * src/files.h: Export it.
22348 * src/reader.c (copy_guard): Use it.
22349
22350 2000-12-19 Akim Demaille <akim@epita.fr>
22351
22352 * src/files.c (outfile, defsfile, actfile): Removed as global
22353 vars.
22354 (open_files): Don't compute them.
22355 (output_files): Adjust.
22356 (base_name, short_base_name): Be global.
22357 Adjust dependencies.
22358
22359 2000-12-19 Akim Demaille <akim@epita.fr>
22360
22361 * src/files.c (strsuffix): New.
22362 (stringappend): Be just like strcat but allocate.
22363 (base_names): Eve out from open_files.
22364 Try to simplify the rather hairy computation of base_name and
22365 short_base_name.
22366 (open_files): Use it.
22367 * tests/suite.at (Checking output file names): New test.
22368
22369 2000-12-19 Akim Demaille <akim@epita.fr>
22370
22371 * src/system.h (obstack_grow_literal_string): Rename as...
22372 (obstack_grow_string): this.
22373 * src/output.c (output_parser): Recognize `%% actions' instead of
22374 `$'.
22375 * src/bison.s1: s/$/%% actions/.
22376 * src/bison.hairy: Likewise.
22377
22378 2000-12-19 Akim Demaille <akim@epita.fr>
22379
22380 * src/output.c (output_parser): Compute the `#line' lines when
22381 there are.
22382 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
22383 Suggested by Hans Aberg.
22384
22385 2000-12-19 Akim Demaille <akim@epita.fr>
22386
22387 Let the handling of the skeleton files be local to the procedures
22388 that use it.
22389
22390 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
22391 longer static.
22392 (fparser, open_extra_files): Remove.
22393 (open_files, output_files): Don't take care of fparser.
22394 * src/files.h: Adjust.
22395 * src/output.c (output_parser): Open and close the file to the
22396 skeleton.
22397 * src/reader.c (read_declarations): When %semantic_parser, open
22398 fguard.
22399
22400 2000-12-19 Akim Demaille <akim@epita.fr>
22401
22402 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
22403 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
22404
22405 2000-12-19 Akim Demaille <akim@epita.fr>
22406
22407 * src/files.c (open_files): Yipee! We no longer need all the code
22408 looking for `/tmp' since we have no tmp file.
22409
22410 2000-12-19 Akim Demaille <akim@epita.fr>
22411
22412 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
22413 New macros.
22414 * src/files.c (open_files): Less dependency on MSDOS etc.
22415
22416 2000-12-14 Akim Demaille <akim@epita.fr>
22417
22418 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
22419 Provide a default definition.
22420 Use it when executing the default @ action.
22421 * src/reader.c (reader_output_yylsp): No longer include
22422 `timestamp' and `text' in the default YYLTYPE.
22423
22424 2000-12-12 Akim Demaille <akim@epita.fr>
22425
22426 * src/reader.c (copy_definition, parse_union_decl, copy_action)
22427 (copy_guard): Quote the file names.
22428 Reported by Laurent Mascherpa.
22429
22430 2000-12-12 Akim Demaille <akim@epita.fr>
22431
22432 * src/output.c (output_headers, output_program, output): Be sure
22433 to escape special characters when outputting filenames.
22434 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
22435 (output_headers): Don't depend on them, Use ACTSTR.
22436
22437 2000-11-17 Akim Demaille <akim@epita.fr>
22438
22439 * lib/obstack.h: Formatting changes.
22440 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
22441 prevents type checking.
22442 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
22443 cast the value to (void *): assigning a `foo *' to a `void *'
22444 variable is valid.
22445 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
22446 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
22447 append characters.
22448
22449 2000-11-17 Akim Demaille <akim@epita.fr>
22450
22451 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
22452 as...
22453 (suite.m4, regression.m4, calc.m4): these.
22454 * tests/atgeneral.m4: Update from CVS Autoconf.
22455
22456 2000-11-17 Akim Demaille <akim@epita.fr>
22457
22458 * tests/regression.m4 (%union and --defines): New test,
22459 demonstrating a current bug in the obstack implementation.
22460
22461 2000-11-17 Akim Demaille <akim@epita.fr>
22462
22463 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
22464 macros.
22465 Use them to declare the variables which are global or local to
22466 `yyparse'.
22467
22468 2000-11-17 Akim Demaille <akim@epita.fr>
22469
22470 * acconfig.h: Remove, no longer used.
22471
22472 2000-11-07 Akim Demaille <akim@epita.fr>
22473
22474 * src: s/Copyright (C)/Copyright/g.
22475
22476 2000-11-07 Akim Demaille <akim@epita.fr>
22477
22478 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
22479 defining.
22480 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
22481
22482 2000-11-07 Akim Demaille <akim@epita.fr>
22483
22484 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
22485 Merge in a single CPP if/else.
22486
22487 2000-11-07 Akim Demaille <akim@epita.fr>
22488
22489 * src/output.c (output): Remove useless variables.
22490 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
22491 argument `data' for consistency with the prototypes.
22492 Qualify it `const'.
22493 (obstack_copy, obstack_copy0): Rename the second argument as
22494 `address' for consistency. Qualify it `const'.
22495 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
22496 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
22497 `const' their input argument (`data' or `address').
22498 Adjust the corresponding macros to include `const' in casts.
22499
22500 2000-11-03 Akim Demaille <akim@epita.fr>
22501
22502 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
22503 s/PFILE1/BISON_HAIRY/.
22504 Adjust dependencies.
22505
22506 2000-11-03 Akim Demaille <akim@epita.fr>
22507
22508 For some reason, this was not applied.
22509
22510 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
22511 `unlink': it's no longer used.
22512
22513 2000-11-03 Akim Demaille <akim@epita.fr>
22514
22515 * src/files.c (skeleton_find): New function, eved out of...
22516 (open_files, open_extra_files): here.
22517
22518 2000-11-03 Akim Demaille <akim@epita.fr>
22519
22520 Don't use `atexit'.
22521
22522 * src/files.c (obstack_save): New function.
22523 (done): Rename as...
22524 (output_files): this.
22525 Use `obstack_save'.
22526 * src/main.c (main): Don't use `atexit' to register `done', since
22527 it no longer has to remove tmp files, just call `output_files'
22528 when there are no errors.
22529
22530 2000-11-02 Akim Demaille <akim@epita.fr>
22531
22532 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
22533 `unlink': it's no longer used.
22534 * src/files.h: Formatting changes.
22535
22536 2000-11-02 Akim Demaille <akim@epita.fr>
22537
22538 Remove the last uses of mktemp and unlink/delete.
22539
22540 * src/files.c (fdefines, ftable): Removed.
22541 (defines_ostack, table_obstack): New.
22542 Adjust dependencies of the former into uses of the latter.
22543 * src/output.c (output_short_or_char_table, output_short_table):
22544 Convert to using obstacks.
22545 * src/reader.c (copy_comment2): Accept one FILE * and two
22546 obstacks.
22547 (output_token_defines, reader_output_yylsp): Use obstacks.
22548 * src/system.h (obstack_fgrow3): New.
22549 * po/POTFILES.in: Adjust.
22550
22551 2000-11-01 Akim Demaille <akim@epita.fr>
22552
22553 Change each use of `fattrs' into a use of `attrs_obstack'.
22554
22555 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
22556 * src/files.c (fattrs): Remove.
22557 (attrs_obstack): New.
22558 Adjust all dependencies.
22559 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
22560
22561 2000-11-01 Akim Demaille <akim@epita.fr>
22562
22563 Introduce obstacks.
22564 Change each use of `faction' into a use of `action_obstack'.
22565
22566 * lib/obstack.h, lib/obstack.c: New files.
22567 * src/files.c (faction): Remove.
22568 (action_obstack): New.
22569 Adjust all dependencies.
22570
22571 2000-10-20 Akim Demaille <akim@epita.fr>
22572
22573 * lib/quote.h (PARAMS): New macro. Use it.
22574
22575 2000-10-16 Akim Demaille <akim@epita.fr>
22576
22577 * src/output.c (output_short_or_char_table): New function.
22578 (output_short_table, output_token_translations): Use it.
22579 (goto_actions): Use output_short_table.
22580
22581 2000-10-16 Akim Demaille <akim@epita.fr>
22582
22583 * src/symtab.c (bucket_new): New function.
22584 (getsym): Use it.
22585
22586 * src/output.c (output_short_table): New argument to display the
22587 comment associated with the table.
22588 Adjust dependencies.
22589 (output_gram): Use it.
22590 (output_rule_data): Nicer output layout for YYTNAME.
22591
22592 2000-10-16 Akim Demaille <akim@epita.fr>
22593
22594 * src/lex.c (read_typename): New function.
22595 (lex): Use it.
22596 * src/reader.c (copy_dollar): Likewise.
22597
22598 2000-10-16 Akim Demaille <akim@epita.fr>
22599
22600 * src/reader.c (copy_comment2): Expect the input stream to be on
22601 the `/' which is suspected to open a comment, instead of being
22602 called after `//' or `/*' was read.
22603 (copy_comment, copy_definition, parse_union_decl, copy_action)
22604 (copy_guard): Adjust.
22605
22606 2000-10-16 Akim Demaille <akim@epita.fr>
22607
22608 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
22609 `read_signed_integer'.
22610
22611 2000-10-16 Akim Demaille <akim@epita.fr>
22612
22613 * src/reader.c (copy_dollar): New function.
22614 (copy_guard, copy_action): Use it.
22615
22616 2000-10-16 Akim Demaille <akim@epita.fr>
22617
22618 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
22619 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
22620 New files, from Fileutils 4.0.27.
22621 * src/main.c (printable_version): Remove.
22622 * src/lex.c, src/reader.c: Use `quote'.
22623
22624 2000-10-04 Akim Demaille <akim@epita.fr>
22625
22626 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
22627
22628 2000-10-04 Akim Demaille <akim@epita.fr>
22629
22630 * doc/bison.texinfo: Various typos spotted by Neil Booth.
22631
22632 2000-10-04 Akim Demaille <akim@epita.fr>
22633
22634 When a literal string is used to define two different tokens,
22635 `bison -v' segfaults.
22636 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
22637
22638 * tests/regression.m4: New file.
22639 Include the core of the sample provided by Piotr Gackiewicz.
22640 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
22641 properly.
22642
22643 2000-10-04 Akim Demaille <akim@epita.fr>
22644
22645 * src/reader.c (parse_expect_decl): Keep `count' within the size
22646 of `buffer'.
22647 From Neil Booth.
22648
22649 2000-10-02 Paul Eggert <eggert@twinsun.com>
22650
22651 * bison.s1 (yyparse): Assign the default value
22652 unconditionally, to avoid a GCC warning and make the parser a
22653 tad smaller.
22654
22655 2000-10-02 Akim Demaille <akim@epita.fr>
22656
22657 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
22658 options.
22659
22660 2000-10-02 Akim Demaille <akim@epita.fr>
22661
22662 * src/derives.c, src/print.c, src/reduce.c: To ease the
22663 translation, move some `\n' out of the translated strings.
22664
22665 2000-10-02 Akim Demaille <akim@epita.fr>
22666
22667 The location tracking mechanism is precious for parse error
22668 messages. Nevertheless, it is enabled only when `@n' is used in
22669 the grammar, which is a different issue (you can use it in error
22670 message, but not in the grammar per se). Therefore, there should
22671 be another means to enable it.
22672
22673 * src/getargs.c (getargs): Support `--locations'.
22674 (usage): Report it.
22675 * src/getargs.h (locationsflag): Export it.
22676 * src/lex.c (percent_table): Support `%locations'.
22677 * src/reader.c (yylsp_needed): Remove this variable, now replaced
22678 with `locationsflag'.
22679 * doc/bison.texinfo: Document `--locations' and `%locations'.
22680 Sort the options.
22681 * tests/calc.m4: Test it.
22682
22683 For regularity of the names, replace each
22684 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
22685 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
22686 In addition replace each `flag' with `_flag'.
22687
22688 2000-10-02 Akim Demaille <akim@epita.fr>
22689
22690 Also test parse error messages, including with YYERROR_VERBOSE.
22691
22692 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
22693 associative).
22694 Use it to check the computations.
22695 Use it to check `nonassoc' is honored.
22696 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
22697 `--yyerror-verbose'.
22698 (_AT_CHECK_CALC): Adjust to this option.
22699 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
22700
22701 2000-10-02 Akim Demaille <akim@epita.fr>
22702
22703 Test also `--verbose', `--defines' and `--name-prefix'. Testing
22704 the latter demonstrates a flaw in the handling of non debugging
22705 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
22706 was used in order to simplify:
22707
22708 #if YYDEBUG
22709 if (yydebug)
22710 {
22711 ...
22712 }
22713 #endif
22714
22715 into
22716
22717 if (yydebug)
22718 {
22719 ...
22720 }
22721
22722 unfortunately this leads to a CPP conflict when
22723 `--name-prefix=foo' is used since it produces `#define yydebug
22724 foodebug'.
22725
22726 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
22727 (YYDPRINTF): New macro.
22728 Spread its use.
22729 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
22730 the bison options.
22731 Also test `--verbose', `--defines' and `--name-prefix'.
22732
22733 2000-10-02 Akim Demaille <akim@epita.fr>
22734
22735 Improve the readability of the produced parsers.
22736
22737 * src/bison.s1: Formatting changes.
22738 Improve the comment related to the `$' mark.
22739 (yydefault): Don't fall through to `yyresume': `goto' there.
22740 * src/output.c (output_parser): When the `$' is met, skip the end
22741 of its line.
22742 New variable, `number_of_dollar_signs', to check there's exactly
22743 one `$' in the parser skeleton.
22744
22745 2000-10-02 Akim Demaille <akim@epita.fr>
22746
22747 * lib/xstrdup.c: New file, from the fileutils.
22748 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
22749 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
22750 instead of strlen + xmalloc + strcpy.
22751 * src/symtab.c (copys): Remove, use xstrdup instead.
22752
22753 2000-10-02 Akim Demaille <akim@epita.fr>
22754
22755 * src/gram.h (associativity): New enum type which replaces the
22756 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
22757 `right_assoc', `left_assoc' and `non_assoc'.
22758 Adjust all dependencies.
22759 * src/reader.c: Formatting changes.
22760 (LTYPESTR): Don't define it, use it as a literal in
22761 `reader_output_yylsp'.
22762 * src/symtab.h (symbol_class): New enum type which replaces the
22763 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
22764 `sunknown', `stoken and `snterm'.
22765
22766 2000-10-02 Akim Demaille <akim@epita.fr>
22767
22768 * src/getargs.c (fixed_outfiles): Rename as...
22769 (yaccflag): for consistency and accuracy.
22770 Adjust dependencies.
22771
22772 2000-10-02 Akim Demaille <akim@epita.fr>
22773
22774 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
22775 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
22776 difficult and introduced a lot of core dump. It turns out that
22777 Bison used an implementation of `xmalloc' based on `calloc', and
22778 at various places it does depend upon the initialization to 0. I
22779 have not tried to isolate the pertinent places, and all the former
22780 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
22781 someone should address this issue.
22782
22783 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
22784 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
22785 files.
22786 Adjust dependencies.
22787 * src/warshall.h: New file.
22788 Propagate.
22789
22790 2000-10-02 Akim Demaille <akim@epita.fr>
22791
22792 Various anti-`extern in *.c' changes.
22793
22794 * src/system.h: Include `assert.h'.
22795
22796 2000-10-02 Akim Demaille <akim@epita.fr>
22797
22798 * src/state.h (nstates, final_state, first_state, first_shift)
22799 (first_reduction): Move their exportation from here...
22800 * src/LR0.h: to here.
22801 Adjust dependencies.
22802 * src/getargs.c (statisticsflag): New variable.
22803 Add support for `--statistics'.
22804 Adjust dependencies.
22805
22806 Remove a lot of now useless `extern' statements in most files.
22807
22808 2000-10-02 Akim Demaille <akim@epita.fr>
22809
22810 * src/LR0.h: New file.
22811 Propagate its use.
22812
22813 2000-10-02 Akim Demaille <akim@epita.fr>
22814
22815 * src/print.h: New file.
22816 Propagate its use.
22817 * src/print.c: Formatting and ordering changes.
22818 (verbose, terse): Replace with...
22819 (print_results): this new function.
22820 Adjust dependencies.
22821
22822 2000-10-02 Akim Demaille <akim@epita.fr>
22823
22824 * src/conflicts.c (conflict_report): New function.
22825 (conflict_log, verbose_conflict_log): Replace with...
22826 (print_conflicts): this function.
22827 Adjust dependencies.
22828 * src/conflicts.h: New file.
22829 Propagate its inclusion.
22830
22831 2000-10-02 Akim Demaille <akim@epita.fr>
22832
22833 * src/nullable.h: New file.
22834 Propagate its inclusion.
22835 * src/nullable.c: Formatting changes.
22836
22837 2000-10-02 Akim Demaille <akim@epita.fr>
22838
22839 * src/reduce.h: New file.
22840 Propagate its inclusion.
22841 * src/reduce.c: Topological sort and other formatting changes.
22842 (bool, TRUE, FALSE): Move their definition to...
22843 * src/system.h: here.
22844
22845 2000-10-02 Akim Demaille <akim@epita.fr>
22846
22847 * src/files.c: Formatting changes.
22848 (tryopen, tryclose, openfiles): Rename as...
22849 (xfopen, xfclose, open_files): this.
22850 (stringappend): static.
22851 * src/files.h: Complete the list of exported symbols.
22852 Propagate its use.
22853
22854 2000-10-02 Akim Demaille <akim@epita.fr>
22855
22856 * src/reader.h: New file.
22857 Propagate its use instead of tedious list of `extern' and
22858 prototypes.
22859 * src/reader.c: Formatting changes, topological sort,
22860 s/register//.
22861
22862 2000-10-02 Akim Demaille <akim@epita.fr>
22863
22864 * src/lex.h: Prototype `lex.c' exported functions.
22865 * src/reader.c: Adjust.
22866 * src/lex.c: Formatting changes.
22867 (safegetc): Rename as...
22868 (xgetc): this.
22869
22870 2000-10-02 Akim Demaille <akim@epita.fr>
22871
22872 * src/lalr.h: New file.
22873 Propagate its inclusion instead of prototypes and `extern'.
22874 * src/lalr.c: Formatting changes, topological sorting etc.
22875
22876 2000-10-02 Akim Demaille <akim@epita.fr>
22877
22878 * src/output.c (token_actions): Introduce a temporary array,
22879 YYDEFACT, that makes it possible for this function to use
22880 output_short_table.
22881
22882 2000-10-02 Akim Demaille <akim@epita.fr>
22883
22884 `user_toknums' is output as a `short[]' in `output.c', while it is
22885 defined as a `int[]' in `reader.c'. For consistency with the
22886 other output tables, `user_toknums' is now defined as a table of
22887 shorts.
22888
22889 * src/reader.c (user_toknums): Be a short table instead of an int
22890 table.
22891 Adjust dependencies.
22892
22893 Factor the short table outputs.
22894
22895 * src/output.c (output_short_table): New function.
22896 * src/output.c (output_gram, output_stos, output_rule_data)
22897 (output_base, output_table, output_check): Use it.
22898
22899 2000-10-02 Akim Demaille <akim@epita.fr>
22900
22901 * src/output.c (output): Topological sort of the functions, in
22902 order to get rid of the `static' prototypes.
22903 No longer use `register'.
22904 * src/output.h: New file.
22905 Propagate its inclusion in files explicitly prototyping functions
22906 from output.c.
22907
22908 2000-09-21 Akim Demaille <akim@epita.fr>
22909
22910 * src/atgeneral.m4: Update from Autoconf.
22911
22912 2000-09-21 Akim Demaille <akim@epita.fr>
22913
22914 * src/closure.h: New file.
22915 * src/closure.c: Formatting changes, topological sort over the
22916 functions, use of closure.h.
22917 (initialize_closure, finalize_closure): Rename as...
22918 (new_closure, free_closure): these. Adjust dependencies.
22919 * src/LR0.c: Formatting changes, topological sort, use of
22920 cloture.h.
22921 (initialize_states): Rename as...
22922 (new_states): this.
22923 * src/Makefile.am (noinst_HEADERS): Adjust.
22924
22925 2000-09-20 Akim Demaille <akim@epita.fr>
22926
22927 * src/acconfig.h: Don't protect config.h against multiple
22928 inclusion.
22929 Don't define PARAMS.
22930 * src/system.h: Define PARAMS.
22931 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
22932 purpose of config.h. system.h must not try to fix wrong
22933 definitions in config.h.
22934
22935 2000-09-20 Akim Demaille <akim@epita.fr>
22936
22937 * src/derives.h: New file.
22938 * src/main.c, src/derives.h: Use it.
22939 Formatting changes.
22940 * src/Makefile.am (noinst_HEADERS): Adjust.
22941
22942 2000-09-20 Akim Demaille <akim@epita.fr>
22943
22944 * tests/atgeneral.m4: Update from Autoconf.
22945 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
22946 (AT_CHECK_CALC): New macros.
22947 Use these macros to test bison with options `', `--raw',
22948 `--debug', `--yacc', `--yacc --debug'.
22949
22950 2000-09-19 Akim Demaille <akim@epita.fr>
22951
22952 * src/output.c: Formatting changes.
22953 * src/machine.h: Remove, leaving its contents in...
22954 * src/system.h: here.
22955 Include stdio.h.
22956 Adjust all dependencies on stdio.h and machine.h.
22957 * src/getargs.h: New file.
22958 Let all `extern' declarations about getargs.c be replaced with
22959 inclusion of `getargs.h'.
22960 * src/Makefile.am (noinst_HEADERS): Adjust.
22961
22962 * tests/calc.m4 (yyin): Be initialized in main, not on the global
22963 scope.
22964 (yyerror): Returns void, not int.
22965 * doc/bison.texinfo: Formatting changes.
22966
22967 2000-09-19 Akim Demaille <akim@epita.fr>
22968
22969 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
22970 portable.
22971
22972 2000-09-18 Akim Demaille <akim@epita.fr>
22973
22974 * configure.in: Append WARNING_CFLAGS to CFLAGS.
22975 * src/Makefile.am (INCLUDES): Don't.
22976 Be ready to fetch headers in lib/.
22977
22978 2000-09-18 Akim Demaille <akim@epita.fr>
22979
22980 * doc/bison.texinfo: Update the copyright.
22981 ANSIfy and GNUify the examples.
22982 Remove the old menu.
22983
22984 2000-09-18 Akim Demaille <akim@epita.fr>
22985
22986 First set of tests: use the `calc' example from the documentation.
22987
22988 * src/bison.s1 (yyparse): Condition the code using `yytname' which
22989 is defined only when YYDEBUG is.
22990 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
22991 * src/files.c (tryopen, tryclose): Formatting changes.
22992 Move to the top and be static.
22993 * src/reader.c (read_signed_integer): Likewise.
22994 * tests/calc.m4: New file.
22995 * Makefile.am, suite.m4: Adjust.
22996 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
22997
22998 2000-09-18 Akim Demaille <akim@epita.fr>
22999
23000 Add support for an Autotest test suite for Bison.
23001
23002 * m4/m4.m4, m4/atconfig.m4: New files.
23003 * m4/Makefile.am (EXTRA_DIST): Adjust.
23004 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
23005 files.
23006 * src/getargs.c: Display a more standard --version message.
23007 * src/reader.c (reader): Formatting changes.
23008 No longer depend upon VERSION_STRING.
23009 * configure.in: No longer use `dnl'.
23010 Set up the test suite and the new directory `tests/.
23011 (VERSION_STRING): Remove.
23012
23013 2000-04-14 Akim Demaille <akim@epita.fr>
23014
23015 * src/reader.c (copy_comment2): New function, same as former
23016 `copy_comment', but outputs into two FILE *.
23017 (copy_comment): Use it.
23018 (parse_union_decl): Use it.
23019 (get_type, parse_start_decl): Use the same `invalid' message.
23020 (parse_start_decl, parse_union_decl): Use the same `multiple'
23021 message.
23022 (parse_union_decl, copy_guard, copy_action): Use the same
23023 `unmatched' message.
23024 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
23025
23026 2000-03-31 Akim Demaille <akim@epita.fr>
23027
23028 * src/files.c (tryopen, tryclose): Move to the top.
23029 Be static.
23030
23031 2000-03-31 Akim Demaille <akim@epita.fr>
23032
23033 * src/main.c (main): Don't call `done', exit does it.
23034
23035 2000-03-31 Akim Demaille <akim@epita.fr>
23036
23037 * allocate.c: s/return (foo)/return foo/.
23038 * lalr.c: Likewise.
23039 * LR0.c: Likewise.
23040 * output.c: Likewise.
23041 * reader.c: Likewise.
23042 * symtab.c: Likewise.
23043 * vmsgetargs.c: Likewise.
23044
23045 2000-03-31 Akim Demaille <akim@epita.fr>
23046
23047 Clean up the error reporting functions.
23048
23049 * src/report.c: New file.
23050 * src/report.h: Likewise.
23051 * src/Makefile.am: Adjust.
23052 * m4/error.m4: New file.
23053 * m4/Makefile.am: Adjust.
23054 * configure.in (jm_PREREQ_ERROR): Call it.
23055 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
23056 Remove.
23057 (fatal, fatals): Remove. All callers use complain.c::fatal.
23058 (warn, warni, warns, warnss, warnss): Remove. All callers use
23059 complain.c::complain.
23060 (toomany): Remove, use fatal instead.
23061 * src/files.c (done): No argument, use complain_message_count.
23062 * src/main.c (main): Register `done' to `atexit'.
23063
23064 * src/getargs.c (usage): More `fputs', less `fprintf'.
23065
23066 2000-03-28 Akim Demaille <akim@epita.fr>
23067
23068 * lib/: New directory.
23069 * Makefile.am (SUBDIRS): Adjust.
23070 * configure.in: Adjust.
23071 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
23072 useless.
23073 * src/alloca.c: Moved to lib/.
23074 * src/getopt.c: Likewise.
23075 * src/getopt1.c: Likewise.
23076 * src/getopt.h: Likewise.
23077 * src/ansi2knr.c: Likewise.
23078 * src/ansi2knr.1: Likewise.
23079 * src/Makefile.am: Adjust.
23080 * lib/Makefile.am: New file.
23081
23082 2000-03-28 Akim Demaille <akim@epita.fr>
23083
23084 * src/getargs.c (usage): Refresh the help message.
23085
23086 2000-03-17 Akim Demaille <akim@epita.fr>
23087
23088 * src/getopt1.c: Updated from textutils 2.0e
23089 * src/getopt.c: Likewise.
23090 * src/getopt.h: Likewise.
23091
23092 2000-03-17 Akim Demaille <akim@epita.fr>
23093
23094 * src/Makefile.am (bison.simple): Fix the awk program: quote only
23095 the file name, not the whole `#line LINE FILE'.
23096
23097 2000-03-17 Akim Demaille <akim@epita.fr>
23098
23099 On syntax errors, report the token on which we choked.
23100
23101 * src/bison.s1 (yyparse): In the label yyerrlab, when
23102 YYERROR_VERBOSE, add yychar in msg.
23103
23104 2000-03-17 Akim Demaille <akim@epita.fr>
23105
23106 * src/reader.c (copy_at): New function.
23107 (copy_guard): Use it.
23108 (copy_action): Use it.
23109
23110 2000-03-17 Akim Demaille <akim@epita.fr>
23111
23112 Be kind to translators, save some useless translations.
23113
23114 * src/main.c (banner): New function.
23115 (fatal_banner): Use it.
23116 (warn_banner): Use it.
23117
23118 2000-03-17 Akim Demaille <akim@epita.fr>
23119
23120 * src/reader.c (copy_definition): Use copy_string and
23121 copy_comment. Removed now unused `match', `ended',
23122 `cplus_comment'.
23123 (copy_comment, copy_string): Moved, to be visible from
23124 copy_definition.
23125
23126 2000-03-17 Akim Demaille <akim@epita.fr>
23127
23128 * src/reader.c (copy_string): Declare `static inline'. No
23129 problems with inline, since it is checked by configure.
23130 (copy_comment): Likewise.
23131
23132 2000-03-17 Akim Demaille <akim@epita.fr>
23133
23134 * src/reader.c (packsymbols): Formatting changes.
23135
23136 2000-03-17 Akim Demaille <akim@epita.fr>
23137
23138 * src/reader.c (copy_comment): New function, factored out from:
23139 (copy_action): Use it. Removed now unused `match', `ended',
23140 `cplus_comment'.
23141 (copy_guard): Likewise.
23142
23143 2000-03-17 Akim Demaille <akim@epita.fr>
23144
23145 * src/reader.c (copy_string): New function, factored out from:
23146 (copy_action): Use it.
23147 (copy_guard): Likewise.
23148
23149 2000-03-17 Akim Demaille <akim@epita.fr>
23150
23151 Change the handling of @s so that they behave exactly like $s.
23152 There is now a pseudo variable @$ (readble and writable), location
23153 of the lhs of the rule (by default ranging from the location of
23154 the first symbol of the rhs, to the location of the last symbol,
23155 or, if the rhs is empty, YYLLOC).
23156
23157 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
23158 yyval.
23159 (yyparse): When providing a default semantic action, provide a
23160 default location action.
23161 (after the $): No longer change `*YYLSP', just stack YYLOC the
23162 same way you stack YYVAL.
23163 * src/reader.c (read_declarations): Use warns.
23164 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
23165 (copy_action, case '@'): Likewise.
23166 Use a standard error message, to save useless work from
23167 translators.
23168
23169 2000-03-17 Akim Demaille <akim@epita.fr>
23170
23171 * src/bison.s1: Formatting and cosmetics changes.
23172 * src/reader.c: Likewise.
23173 Update the Copyright notice.
23174
23175 2000-03-17 Akim Demaille <akim@epita.fr>
23176
23177 * src/bison.s1 (#line): All set to `#line' only, since the
23178 Makefile now handles them.
23179
23180 2000-03-16 Akim Demaille <akim@epita.fr>
23181
23182 * src/output.c (output_rule_data): Output the documentation of
23183 some of the tables.
23184 (Copyright notice): Update.
23185 Formatting changes.
23186
23187 2000-03-16 Akim Demaille <akim@epita.fr>
23188
23189 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
23190 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
23191 One `#if YYDEBUG' remains, since it uses variables which are
23192 defined only if `YYDEBUG != 0'.
23193
23194 2000-03-16 Akim Demaille <akim@epita.fr>
23195
23196 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
23197 and related variables so that the similarities are highlighted.
23198
23199 2000-03-16 Akim Demaille <akim@epita.fr>
23200
23201 * src/bison.s1: Properly indent CPP directives.
23202
23203 2000-03-16 Akim Demaille <akim@epita.fr>
23204
23205 * src/bison.s1: Properly indent the `alloca' CPP section.
23206
23207 2000-03-16 Akim Demaille <akim@epita.fr>
23208
23209 Do not hard code values of directories in `configure.in'.
23210 Update the `configure' tool chain.
23211
23212 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
23213 src/makefile.am.
23214 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
23215 (AC_OUTPUT): Add m4/Makefile.
23216 Bump to bison 1.28a, 1.29 has never been released.
23217 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
23218 handled via src/Makefile.am.
23219 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
23220 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
23221 autoheader.
23222 * Makefile.am (SUBDIRS): Add m4.
23223 (ACLOCAL_AM_FLAGS): New variable.
23224 (AUTOMAKE_OPTIONS): Add check-news.
23225 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
23226 the proper line number and file name.
23227 (DEFS): Propagate the location of bison library files and of the
23228 locale files.
23229 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
23230 builddir.
23231 * acinclude.m4: Remove, replaced by the directory m4.
23232 * m4/Makefile.am (EXTRA_DIST): New variable.
23233 * m4/gettext.m4: New file, from the fileutils.
23234 * m4/lcmessage.m4: Likewise
23235 * m4/progtest.m4: Likewise.
23236 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
23237
23238 2000-03-10 Akim Demaille <akim@epita.fr>
23239
23240 * src/closure.c:
23241 Formatting changes of various comments.
23242 Respect the GNU coding standards at various places.
23243 Don't use `_()' when no translation is needed.
23244
23245 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23246
23247 * src/files.c:
23248 OS/2 honors TMPDIR environment variable.
23249
23250 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23251
23252 * doc/bison.texinfo: Tweaked spelling and grammar.
23253 Updated ISBN.
23254 Removed reference to price of printed copy.
23255 Mention BISON_SIMPLE and BISON_HAIRY.
23256
23257 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23258
23259 * configure.in, NEWS:
23260 Bison 1.29 released.
23261
23262 1999-10-27 Jesse Thilo <jthilo@gnu.org>
23263
23264 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
23265 Added reference card.
23266
23267 1999-07-26 Jesse Thilo <jthilo@gnu.org>
23268
23269 * po/ru.po: Added Russian translation.
23270
23271 1999-07-26 Jesse Thilo <jthilo@gnu.org>
23272
23273 * configure.in: Added Russian translation.
23274
23275 1999-07-06 Jesse Thilo <jthilo@gnu.org>
23276
23277 * configure.in, NEWS, README:
23278 Released version 1.28.
23279
23280 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23281
23282 * src/system.h:
23283 Squashed redefinition warning on some systems.
23284
23285 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
23286 Have configure build version string instead of relying on ANSI string
23287 concatentation.
23288
23289 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23290
23291 * po/POTFILES.in: Got rid of version.c.
23292
23293 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23294
23295 * acconfig.h, configure.in:
23296 Have configure build version string instead of relying on ANSI string
23297 concatentation.
23298
23299 1999-06-08 Jesse Thilo <jthilo@gnu.org>
23300
23301 * doc/bison.1:
23302 Dropped mention of `+' for long-named options.
23303
23304 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23305
23306 * src/files.c: Added <unistd.h> for unlink().
23307
23308 * src/Makefile.am, src/system.h:
23309 I18n fixes.
23310
23311 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23312
23313 * README: Added a FAQ list.
23314
23315 * configure.in, acconfig.h:
23316 I18n fixes.
23317
23318 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23319
23320 * doc/FAQ, doc/Makefile.am:
23321 Added a FAQ list.
23322
23323 1999-05-19 Jesse Thilo <jthilo@gnu.org>
23324
23325 * src/alloc.h, src/symtab.h, src/version.c:
23326 Protected inclusion of "config.h" with HAVE_CONFIG_H.
23327
23328 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23329
23330 * src/.cvsignore, src/Makefile.am:
23331 Reorganized: sources in `src', documentation in `doc'.
23332
23333 * src/lex.c (literalchar):
23334 fixed the code for escaping double quotes (thanks
23335 Jonathan Czisny.)
23336
23337 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23338
23339 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
23340 Adjusted paths to reflect directory reorganization.
23341
23342 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23343
23344 * doc/.cvsignore, doc/Makefile.am:
23345 Reorganized: sources in `src', documentation in `doc'.
23346
23347 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23348
23349 * configure.in:
23350 Updated AC_INIT file to reflect directory reorganization.
23351
23352 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
23353 Reorganized: sources in `src', documentation in `doc'.
23354
23355 1999-04-13 Jesse Thilo <jthilo@gnu.org>
23356
23357 * src/allocate.c:
23358 Don't declare calloc() and realloc() if not necessary.
23359
23360 1999-04-13 Jesse Thilo <jthilo@gnu.org>
23361
23362 * configure.in, acconfig.h, acinclude.m4:
23363 Don't declare calloc() and realloc() if not necessary.
23364
23365 1999-03-23 Jesse Thilo <jthilo@gnu.org>
23366
23367 * po/.cvsignore: Added i18n support.
23368
23369 1999-03-23 Jesse Thilo <jthilo@gnu.org>
23370
23371 * acconfig.h, configure.in, Makefile.am:
23372 Added i18n support.
23373
23374 1999-03-22 Jesse Thilo <jthilo@gnu.org>
23375
23376 * src/bison.s1: Fixed #line numbers.
23377
23378 1999-03-15 Jesse Thilo <jthilo@gnu.org>
23379
23380 * po/es.po, po/fr.po, po/nl.po, po/de.po:
23381 Added PO files from Translation Project.
23382
23383 1999-03-03 Jesse Thilo <jthilo@gnu.org>
23384
23385 * Makefile.am:
23386 Added support for non-ANSI compilers (ansi2knr).
23387
23388 1999-02-16 Jesse Thilo <jthilo@gnu.org>
23389
23390 * configure.in: Bumped version number to 1.27.
23391
23392 * Makefile.am:
23393 Added `bison.simple' to list of files removed by `make distclean'.
23394
23395 1999-02-12 Jesse Thilo <jthilo@gnu.org>
23396
23397 * src/files.c, src/files.h:
23398 Defined locations of parser files in config.h instead of Makefile.
23399
23400 1999-02-12 Jesse Thilo <jthilo@gnu.org>
23401
23402 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
23403 Defined locations of parser files in config.h instead of Makefile.
23404
23405 1999-02-09 Jesse Thilo <jthilo@gnu.org>
23406
23407 * Makefile.am:
23408 Removed inappropriate use of $< macro.
23409
23410 1999-02-05 Jesse Thilo <jthilo@gnu.org>
23411
23412 * po/Makefile.in.in, po/POTFILES.in:
23413 Add `po' directory skeleton.
23414
23415 1999-01-27 Jesse Thilo <jthilo@gnu.org>
23416
23417 * README: Document help-bison list.
23418
23419 * configure.in: Add check for mkstemp().
23420
23421 1999-01-20 Jesse Thilo <jthilo@gnu.org>
23422
23423 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
23424 Hush a few compiler warnings.
23425
23426 * src/files.c:
23427 Add tryclose(), which verifies that fclose was successful.
23428 Hush a couple of compiler warnings.
23429
23430 1999-01-20 Jesse Thilo <jthilo@gnu.org>
23431
23432 * Makefile.am, OChangeLog:
23433 ChangeLog is now automatically generated. Include the old version as
23434 OChangeLog.
23435
23436 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23437
23438 * src/gram.h, src/lalr.c, src/lex.c, src/lex.h, src/machine.h, src/main.c, src/nullable.c, src/output.c, src/print.c, src/reader.c, src/reduce.c, src/state.h, src/symtab.c, src/symtab.h, src/types.h, src/vmsgetargs.c, src/warshall.c, src/allocate.c, src/alloc.h, src/bison.s1, src/closure.c, src/conflicts.c, src/derives.c, src/files.c, src/files.h, src/getargs.c, src/gram.c, src/LR0.c:
23439 Update FSF address.
23440
23441 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23442
23443 * doc/bison.texinfo: Fix formatting glitch.
23444
23445 * doc/bison.texinfo: Update FSF address.
23446
23447 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23448
23449 * acconfig.h: Update FSF address.
23450
23451 1999-01-08 Jesse Thilo <jthilo@gnu.org>
23452
23453 * src/system.h:
23454 Don't define PACKAGE here, since config.h defines it.
23455
23456 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23457
23458 * src/reader.c: Update copyright date.
23459
23460 * src/main.c:
23461 Ditch sprintf to statically-sized buffers in fatal/warn functions in
23462 favor of output directly to stderr (avoids buffer overruns).
23463
23464 * src/reader.c: Some checks for premature EOF.
23465
23466 * src/allocate.c, src/alloc.h, src/closure.c, src/conflicts.c, src/derives.c, src/getargs.c, src/gram.c, src/lalr.c, src/lex.c, src/LR0.c, src/main.c, src/nullable.c, src/output.c, src/print.c, src/reduce.c, src/symtab.c, src/symtab.h, src/warshall.c:
23467 Use prototypes if the compiler understands them.
23468
23469 * src/files.c: Honor TMPDIR on Unix hosts.
23470 Use prototypes if the compiler understands them.
23471
23472 * src/reader.c:
23473 Fix a couple of buffer overrun bugs.
23474 Use prototypes if the compiler understands them.
23475
23476 * src/system.h: Include unistd.h and ctype.h.
23477 Use #ifdef instead of #if for NLS symbols.
23478
23479 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23480
23481 * doc/bison.texinfo:
23482 Delete comment "consider using @set for edition number, etc..." since
23483 we now are doing so.
23484
23485 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23486
23487 * configure.in:
23488 Use prototypes if the compiler understands them.
23489
23490 * NEWS: Document 1.26 highlights.
23491
23492 * Makefile.am: Require Automake 1.3 or later.
23493
23494 * acconfig.h:
23495 Use prototypes if the compiler understands them.
23496
23497 1998-12-29 Jesse Thilo <jthilo@gnu.org>
23498
23499 * src/version.c:
23500 Use VERSION symbol from automake for version number.
23501
23502 1998-12-29 Jesse Thilo <jthilo@gnu.org>
23503
23504 * acconfig.h, configure.in, version.cin:
23505 Use VERSION symbol from automake for version number.
23506
23507 1998-11-28 Jesse Thilo <jthilo@gnu.org>
23508
23509 * Makefile.am:
23510 Distribute original version of simple parser (bison.s1), not built
23511 version (bison.simple).
23512
23513 1998-11-28 Jesse Thilo <jthilo@gnu.org>
23514
23515 * doc/bison.texinfo: Add info dir entry.
23516
23517 * doc/bison.texinfo:
23518 Let automake put version number into documentation.
23519
23520 1998-11-26 Jesse Thilo <jthilo@gnu.org>
23521
23522 * src/bison.cld, src/build.com, src/vmshlp.mar:
23523 Add non-RCS files from /gd/gnu/bison.
23524
23525 1998-11-26 Jesse Thilo <jthilo@gnu.org>
23526
23527 * doc/bison.1:
23528 Document the BISON_HAIRY and BISON_SIMPLE variables.
23529
23530 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23531
23532 * src/version.c: Build version.c automatically.
23533
23534 * src/reader.c:
23535 Fix token numbering (used to start at 258, not 257).
23536
23537 * src/system.h: Include config.h.
23538
23539 * src/getargs.c: Update bug report address.
23540
23541 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
23542 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
23543
23544 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23545
23546 * Makefile.am:
23547 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
23548
23549 * configure.in, version.cin:
23550 Build version.c automatically.
23551
23552 * AUTHORS: Add AUTHORS file.
23553
23554 * README: Update bug report address.
23555
23556 * bison.simple:
23557 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
23558
23559 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
23560 Add automake stuff.
23561
23562 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23563
23564 * doc/bison.texinfo: Clean up some formatting.
23565
23566 1998-05-05 Richard Stallman <rms@gnu.org>
23567
23568 * doc/bison.texinfo:
23569 Explain better why to make a pure parser.
23570
23571 1998-01-05 Richard Stallman <rms@gnu.org>
23572
23573 * src/files.c (openfiles):
23574 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
23575 find a temporary directory, if possible. Do not unlink files while
23576 they are open.
23577
23578 1997-08-25 Richard Stallman <rms@gnu.org>
23579
23580 * src/reader.c (stack_offset;):
23581 Change some warni to warns.
23582
23583 * src/lex.c (literalchar): Use warns, not warni.
23584
23585 1997-06-28 Richard Stallman <rms@gnu.org>
23586
23587 * src/bison.s1: Add a Bison version comment.
23588
23589 * src/main.c (fatal, warn, berror):
23590 Use program_name.
23591
23592 1997-06-28 Richard Stallman <rms@gnu.org>
23593
23594 * Makefile.in (bison_version): New variable.
23595 (dist): Use that variable.
23596 (bison.s1): Substitute the Bison version into bison.simple.
23597
23598 * bison.simple: Add a Bison version comment.
23599
23600 1997-06-18 Richard Stallman <rms@gnu.org>
23601
23602 * src/main.c (fatal, warn, berror):
23603 Make error messages standard.
23604 (toomany): Improve error message text.
23605
23606 * src/LR0.c, src/closure.c, src/conflicts.c, src/derives.c, src/files.c, src/lalr.c, src/lex.c, src/nullable.c, src/output.c, src/print.c, src/reader.c, src/reduce.c, src/symtab.c:
23607 new.h renamed to alloc.h.
23608
23609 1997-06-18 Richard Stallman <rms@gnu.org>
23610
23611 * Makefile.in: new.h renamed to alloc.h.
23612
23613 1997-05-24 Richard Stallman <rms@gnu.org>
23614
23615 * src/lex.c (literalchar):
23616 Fix the code for escaping \, " and '.
23617
23618 (lex): Avoid trouble when there are many chars
23619 to discard in a char literal with just several chars in it.
23620
23621 1997-05-17 Richard Stallman <rms@gnu.org>
23622
23623 * src/bison.s1:
23624 Use malloc, if using alloca is troublesome.
23625 (YYSTACK_USE_ALLOCA): New flag macro.
23626 Define it for some systems and compilers.
23627 (YYSTACK_ALLOC): New macro.
23628 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23629 If it was malloc'd, free it.
23630
23631 1997-05-17 Richard Stallman <rms@gnu.org>
23632
23633 * bison.simple:
23634 Use malloc, if using alloca is troublesome.
23635 (YYSTACK_USE_ALLOCA): New flag macro.
23636 Define it for some systems and compilers.
23637 (YYSTACK_ALLOC): New macro.
23638 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23639 If it was malloc'd, free it.
23640
23641 1997-04-23 Richard Stallman <rms@gnu.org>
23642
23643 * src/bison.s1:
23644 (alloca) [__hpux]: Always define as __builtin_alloca.
23645
23646 1997-04-23 Richard Stallman <rms@gnu.org>
23647
23648 * bison.simple:
23649 (alloca) [__hpux]: Always define as __builtin_alloca.
23650
23651 1997-04-22 Richard Stallman <rms@gnu.org>
23652
23653 * src/bison.s1:
23654 [__hpux]: Include alloca.h (right for HPUX 10)
23655 instead of declaring alloca (right for HPUX 9).
23656
23657 * src/bison.s1 (__yy_memcpy):
23658 Declare arg `count' as unsigned int.
23659 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23660
23661 1997-04-22 Richard Stallman <rms@gnu.org>
23662
23663 * bison.simple:
23664 [__hpux]: Include alloca.h (right for HPUX 10)
23665 instead of declaring alloca (right for HPUX 9).
23666
23667 * bison.simple (__yy_memcpy):
23668 Declare arg `count' as unsigned int.
23669 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23670
23671 1997-01-03 Richard Stallman <rms@gnu.org>
23672
23673 * src/allocate.c: [__STDC__ or _MSC_VER]:
23674 Declare calloc and realloc to return void *.
23675
23676 1997-01-02 Richard Stallman <rms@gnu.org>
23677
23678 * src/system.h:
23679 [_MSC_VER]: Include stdlib.h and process.h.
23680 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
23681
23682 * src/main.c (main): Return FAILURE as a value.
23683 (printable_version): Declare arg as int, not char.
23684
23685 1997-01-02 Richard Stallman <rms@gnu.org>
23686
23687 * Makefile.in (dist):
23688 Explicitly check for symlinks, and copy them.
23689
23690 1996-12-19 Richard Stallman <rms@gnu.org>
23691
23692 * src/files.c:
23693 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
23694
23695 1996-12-18 Paul Eggert <eggert@gnu.org>
23696
23697 * src/bison.s1 (yyparse):
23698 If __GNUC__ and YYPARSE_PARAM are both defined,
23699 declare yyparse to have a void * argument.
23700
23701 1996-12-18 Paul Eggert <eggert@gnu.org>
23702
23703 * bison.simple (yyparse):
23704 If __GNUC__ and YYPARSE_PARAM are both defined,
23705 declare yyparse to have a void * argument.
23706
23707 1996-12-17 Richard Stallman <rms@gnu.org>
23708
23709 * src/reduce.c (nbits): Add some casts.
23710
23711 1996-08-12 Richard Stallman <rms@gnu.org>
23712
23713 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
23714
23715 1996-08-12 Richard Stallman <rms@gnu.org>
23716
23717 * bison.simple: Test _MSDOS as well as _MSDOS_.
23718
23719 1996-07-31 Richard Stallman <rms@gnu.org>
23720
23721 * src/bison.s1:
23722 [__sun && __i386]: Include alloca.h.
23723
23724 1996-07-31 Richard Stallman <rms@gnu.org>
23725
23726 * bison.simple:
23727 [__sun && __i386]: Include alloca.h.
23728
23729 1996-07-30 Richard Stallman <rms@gnu.org>
23730
23731 * src/bison.s1: Comment change.
23732
23733 * src/bison.s1: Test _MSDOS_, not MSDOS.
23734
23735 1996-07-30 Richard Stallman <rms@gnu.org>
23736
23737 * bison.simple: Comment change.
23738
23739 * bison.simple: Test _MSDOS_, not MSDOS.
23740
23741 1996-06-01 Richard Stallman <rms@gnu.org>
23742
23743 * src/reduce.c, src/reader.c, src/print.c, src/output.c, src/nullable.c, src/lex.c, src/lalr.c, src/getargs.c, src/derives.c, src/conflicts.c, src/closure.c, src/allocate.c:
23744 Insert `_' macro around many string constants.
23745
23746 * src/main.c:
23747 Insert `_' macro around many string constants.
23748
23749 (main): Call setlocale, bindtextdomain and textdomain.
23750
23751 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
23752 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
23753 [ENABLE_NLS]: Include libintl.h.
23754 [ENABLE_NLS] (gettext): Define.
23755 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
23756 (N_, PACKAGE, LOCALEDIR): New macros.
23757
23758 1996-06-01 Richard Stallman <rms@gnu.org>
23759
23760 * POTFILES.in: New file.
23761
23762 * Makefile.in (allocate.o):
23763 Define target explicitly.
23764
23765 * Makefile.in (CFLAGS): Set to @CFLAGS@.
23766 (LDFLAGS): Set to @LDFLAGS@.
23767 (configure): Run autoconf only if preceding `cd' succeeds.
23768 (bison.s1): Redirect output to temporary file then move the
23769 temporary to the target, rather than redirecting directly to bison.s1.
23770 (clean): Remove config.status and config.log.
23771 (distclean): Don't remove config.status here.
23772
23773 1996-05-12 Richard Stallman <rms@gnu.org>
23774
23775 * src/bison.s1:
23776 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
23777
23778 1996-05-12 Richard Stallman <rms@gnu.org>
23779
23780 * bison.simple:
23781 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
23782
23783 1996-05-11 Richard Stallman <rms@gnu.org>
23784
23785 * src/bison.s1 (__yy_memcpy):
23786 Really reorder the args, as was supposedly done on Feb 14 1995.
23787 (yyparse): Calls changed accordingly.
23788
23789 1996-05-11 Richard Stallman <rms@gnu.org>
23790
23791 * Makefile.in (dist): Don't use $(srcdir).
23792
23793 * bison.simple (__yy_memcpy):
23794 Really reorder the args, as was supposedly done on Feb 14 1995.
23795 (yyparse): Calls changed accordingly.
23796
23797 1996-01-27 Richard Stallman <rms@gnu.org>
23798
23799 * src/output.c (output_rule_data):
23800 Test YYERROR_VERBOSE in the conditional
23801 around the definition of ttyname.
23802
23803 1995-12-29 Richard Stallman <rms@gnu.org>
23804
23805 * src/bison.s1:
23806 Fix line numbers in #line commands.
23807
23808 1995-12-29 Richard Stallman <rms@gnu.org>
23809
23810 * bison.simple:
23811 Fix line numbers in #line commands.
23812
23813 1995-12-27 Richard Stallman <rms@gnu.org>
23814
23815 * src/bison.s1 (YYPARSE_PARAM_DECL):
23816 In C++, make it always null.
23817 (YYPARSE_PARAM_ARG): New macro.
23818 (yyparse): Use YYPARSE_PARAM_ARG.
23819
23820 1995-12-27 Richard Stallman <rms@gnu.org>
23821
23822 * bison.simple (YYPARSE_PARAM_DECL):
23823 In C++, make it always null.
23824 (YYPARSE_PARAM_ARG): New macro.
23825 (yyparse): Use YYPARSE_PARAM_ARG.
23826
23827 1995-11-29 Richard Stallman <rms@gnu.org>
23828
23829 * doc/bison.texinfo:
23830 Describe literal string tokens, %raw, %no_lines, %token_table.
23831
23832 1995-11-29 Daniel Hagerty <hag@gnu.org>
23833
23834 * doc/bison.texinfo: Fixed update date
23835
23836 1995-10-16 Richard Stallman <rms@gnu.org>
23837
23838 * src/version.c: Version 1.25.
23839
23840 1995-10-16 Richard Stallman <rms@gnu.org>
23841
23842 * NEWS: *** empty log message ***
23843
23844 1995-10-16 Richard Stallman <rms@gnu.org>
23845
23846 * doc/bison.1, doc/bison.rnh:
23847 Add new options.
23848
23849 1995-10-15 Richard Stallman <rms@gnu.org>
23850
23851 * src/vmsgetargs.c, src/getargs.c:
23852 Added -n, -k, and -raw switches.
23853 (noparserflag, toknumflag, rawtoknumflag): New variables.
23854
23855 * src/symtab.h (SALIAS):
23856 New #define for adding aliases to %token.
23857 (struct bucket): Added `alias' field.
23858
23859 * src/reduce.c (reduce_grammar):
23860 Revise error message.
23861 (print_notices): Remove final `.' from error message.
23862
23863 * src/reader.c (reader_output_yylsp):
23864 New function.
23865 (readgram): Use `#if 0' around code that accepted %command
23866 inside grammar rules: The documentation doesn't allow it,
23867 and it will fail since the %command processors scan for the next %.
23868 (parse_token_decl): Extended the %token
23869 declaration to allow a multi-character symbol as an alias.
23870 (parse_thong_decl): New function.
23871 (read_declarations): Added %thong declarations.
23872 (read_declarations): Handle NOOP to deal with allowing
23873 % declarations as another means to specify the flags.
23874 (readgram): Allow %prec prior to semantics embedded in a rule.
23875 (skip_to_char, read_declarations, copy_definition)
23876 (parse_token_decl, parse_start_decl, parse_type_decl)
23877 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
23878 (get_type_name, copy_guard, copy_action, readgram)
23879 (get_type, packsymbols): Revised most error messages.
23880 Changed `fatal' to `warnxxx' to avoid aborting for error.
23881 Revised and use multiple warnxxx functions to avoid using VARARGS1.
23882 (read_declarations): Improve the error message for
23883 an invalid character. Do not abort.
23884 (read_declarations, copy_guard, copy_action): Use
23885 printable_version to avoid unprintable characters in printed output.
23886 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
23887 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
23888 Allow the type of a non-terminal can be given
23889 more than once, as long as all specifications give the same type.
23890
23891 * src/output.c:
23892 (output_headers, output_trailers, output, output_gram)
23893 (output_rule_data): Implement noparserflag variable.
23894 Implement toknumflag variable.
23895 (output): Call reader_output_yylsp to output LTYPESTR.
23896
23897 * src/main.c (main):
23898 If reader sees an error, don't process the grammar.
23899 (fatals): Updated to not use VARARGS1.
23900 (printable_version, int_to_string, warn, warni, warns, warnss)
23901 (warnsss): New error reporting functions. Avoid abort for error.
23902
23903 * src/lex.h:
23904 Added THONG and NOOP for alias processing.
23905 Added SETOPT for the new code that allows setting options with %flags.
23906
23907 * src/lex.c:
23908 Include getopt.h. Add some extern decls.
23909 (safegetc): New function to deal with EOF gracefully.
23910 (literalchar); new function to deal with reading \ escapes.
23911 (lex): Use literalchar.
23912 (lex): Implemented "..." tokens.
23913 (literalchar, lex, parse_percent_token): Made tokenbuffer
23914 always contain the token. This includes growing the token
23915 buffer while reading an integer.
23916 (parse_percent_token): Replaced if-else statement with percent_table.
23917 (parse_percent_token): Added % declarations as another
23918 way to specify the flags -n, -l, and -r. Also added hooks for
23919 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
23920 major changes to files.c.
23921 (lex) Retain in the incoming stream a character following
23922 an incorrect '/'.
23923 (skip_white_space, lex): Revised most error messages
23924 and changed fatal to warn to avoid aborting.
23925 (percent_table): Added %thong declarations.
23926
23927 * src/gram.h: Comment changes.
23928
23929 * src/files.c (openfiles, open_extra_files, done):
23930 Add faction flag
23931 and actfile file. Handle noparserflag. Both for -n switch.
23932
23933 * src/conflicts.c (resolve_sr_conflict):
23934 Remove use of alloca.
23935
23936 1995-06-01 Jim Meyering <meyering@gnu.org>
23937
23938 * doc/bison.texinfo: *** empty log message ***
23939
23940 1995-05-06 Richard Stallman <rms@gnu.org>
23941
23942 * src/bison.s1: Comment change.
23943
23944 1995-05-06 Richard Stallman <rms@gnu.org>
23945
23946 * bison.simple: Comment change.
23947
23948 1995-05-03 Richard Stallman <rms@gnu.org>
23949
23950 * src/version.c: Version now 1.24.
23951
23952 * src/bison.s1: Change distribution terms.
23953
23954 * src/version.c: Version now 1.23.
23955
23956 1995-05-03 Richard Stallman <rms@gnu.org>
23957
23958 * doc/bison.texinfo:
23959 Rewrite "Conditions for Using Bison".
23960 Update version to 1.24.
23961
23962 1995-05-03 Richard Stallman <rms@gnu.org>
23963
23964 * bison.simple: Change distribution terms.
23965
23966 1995-02-23 Richard Stallman <rms@gnu.org>
23967
23968 * src/files.c: Test __VMS_POSIX as well as VMS.
23969
23970 1995-02-14 Jim Meyering <meyering@gnu.org>
23971
23972 * src/bison.s1 (__yy_memcpy):
23973 Renamed from __yy_bcopy to avoid
23974 confusion. Reverse FROM and TO arguments to be consistent with
23975 those of memcpy.
23976
23977 1995-02-14 Jim Meyering <meyering@gnu.org>
23978
23979 * bison.simple (__yy_memcpy):
23980 Renamed from __yy_bcopy to avoid
23981 confusion. Reverse FROM and TO arguments to be consistent with
23982 those of memcpy.
23983
23984 1994-11-10 David J. MacKenzie <djm@gnu.org>
23985
23986 * NEWS: reformat
23987
23988 * NEWS: New file.
23989
23990 * Makefile.in (DISTFILES): Include NEWS.
23991
23992 * Makefile.in (DISTFILES):
23993 Include install-sh, not install.sh.
23994
23995 * configure.in: Update to Autoconf v2 macro names.
23996
23997 1994-10-05 David J. MacKenzie <djm@gnu.org>
23998
23999 * Makefile.in: fix typo
24000
24001 * Makefile.in (prefix, exec_prefix):
24002 Let configure set them.
24003
24004 1994-09-28 David J. MacKenzie <djm@gnu.org>
24005
24006 * Makefile.in: Set datadir to $(prefix)/share.
24007
24008 1994-09-15 Richard Stallman <rms@gnu.org>
24009
24010 * src/bison.s1:
24011 Update copyright notice and GPL version.
24012
24013 1994-09-15 Richard Stallman <rms@gnu.org>
24014
24015 * bison.simple:
24016 Update copyright notice and GPL version.
24017
24018 1994-07-12 Richard Stallman <rms@gnu.org>
24019
24020 * src/reduce.c, src/reader.c:
24021 entered into RCS
24022
24023 1994-05-05 David J. MacKenzie <djm@gnu.org>
24024
24025 * Makefile.in: entered into RCS
24026
24027 1994-03-26 Richard Stallman <rms@gnu.org>
24028
24029 * src/bison.s1: entered into RCS
24030
24031 1994-03-26 Richard Stallman <rms@gnu.org>
24032
24033 * bison.simple: entered into RCS
24034
24035 1994-03-25 Richard Stallman <rms@gnu.org>
24036
24037 * src/main.c: entered into RCS
24038
24039 1994-03-24 Richard Stallman <rms@gnu.org>
24040
24041 * src/conflicts.c: entered into RCS
24042
24043 1994-01-02 Richard Stallman <rms@gnu.org>
24044
24045 * Makefile.in: *** empty log message ***
24046
24047 1993-11-21 Richard Stallman <rms@gnu.org>
24048
24049 * src/bison.s1: *** empty log message ***
24050
24051 1993-11-21 Richard Stallman <rms@gnu.org>
24052
24053 * doc/bison.texinfo: entered into RCS
24054
24055 * doc/bison.texinfo: *** empty log message ***
24056
24057 1993-11-21 Richard Stallman <rms@gnu.org>
24058
24059 * bison.simple: *** empty log message ***
24060
24061 1993-10-25 David J. MacKenzie <djm@gnu.org>
24062
24063 * doc/bison.texinfo: *** empty log message ***
24064
24065 1993-10-19 Richard Stallman <rms@gnu.org>
24066
24067 * src/bison.s1: *** empty log message ***
24068
24069 1993-10-19 Richard Stallman <rms@gnu.org>
24070
24071 * bison.simple: *** empty log message ***
24072
24073 1993-10-14 Richard Stallman <rms@gnu.org>
24074
24075 * src/bison.s1: *** empty log message ***
24076
24077 1993-10-14 Richard Stallman <rms@gnu.org>
24078
24079 * bison.simple: *** empty log message ***
24080
24081 1993-09-14 David J. MacKenzie <djm@gnu.org>
24082
24083 * doc/bison.texinfo: *** empty log message ***
24084
24085 1993-09-13 Noah Friedman <friedman@gnu.org>
24086
24087 * Makefile.in: *** empty log message ***
24088
24089 1993-09-10 Richard Stallman <rms@gnu.org>
24090
24091 * src/conflicts.c: *** empty log message ***
24092
24093 * src/system.h: entered into RCS
24094
24095 1993-09-10 Richard Stallman <rms@gnu.org>
24096
24097 * doc/bison.1: entered into RCS
24098
24099 1993-09-06 Noah Friedman <friedman@gnu.org>
24100
24101 * src/version.c: entered into RCS
24102
24103 1993-09-06 Noah Friedman <friedman@gnu.org>
24104
24105 * Makefile.in: *** empty log message ***
24106
24107 1993-07-30 David J. MacKenzie <djm@gnu.org>
24108
24109 * Makefile.in: *** empty log message ***
24110
24111 1993-07-24 Richard Stallman <rms@gnu.org>
24112
24113 * src/bison.s1: *** empty log message ***
24114
24115 1993-07-24 Richard Stallman <rms@gnu.org>
24116
24117 * bison.simple: *** empty log message ***
24118
24119 1993-07-08 David J. MacKenzie <djm@gnu.org>
24120
24121 * Makefile.in: *** empty log message ***
24122
24123 1993-07-04 Richard Stallman <rms@gnu.org>
24124
24125 * src/bison.s1: *** empty log message ***
24126
24127 1993-07-04 Richard Stallman <rms@gnu.org>
24128
24129 * bison.simple: *** empty log message ***
24130
24131 1993-06-26 David J. MacKenzie <djm@gnu.org>
24132
24133 * src/getargs.c: entered into RCS
24134
24135 1993-06-26 David J. MacKenzie <djm@gnu.org>
24136
24137 * doc/bison.texinfo: *** empty log message ***
24138
24139 * doc/bison.1: New file.
24140
24141 1993-06-25 Richard Stallman <rms@gnu.org>
24142
24143 * src/getargs.c: New file.
24144
24145 1993-06-16 Richard Stallman <rms@gnu.org>
24146
24147 * src/bison.s1: *** empty log message ***
24148
24149 1993-06-16 Richard Stallman <rms@gnu.org>
24150
24151 * bison.simple: *** empty log message ***
24152
24153 1993-06-03 Richard Stallman <rms@gnu.org>
24154
24155 * src/bison.s1: New file.
24156
24157 1993-06-03 Richard Stallman <rms@gnu.org>
24158
24159 * doc/bison.texinfo: *** empty log message ***
24160
24161 1993-06-03 Richard Stallman <rms@gnu.org>
24162
24163 * bison.simple: New file.
24164
24165 1993-05-19 Richard Stallman <rms@gnu.org>
24166
24167 * doc/bison.texinfo: New file.
24168
24169 1993-05-07 Noah Friedman <friedman@gnu.org>
24170
24171 * Makefile.in: *** empty log message ***
24172
24173 1993-04-28 Noah Friedman <friedman@gnu.org>
24174
24175 * src/reader.c: *** empty log message ***
24176
24177 1993-04-23 Noah Friedman <friedman@gnu.org>
24178
24179 * src/alloc.h: entered into RCS
24180
24181 1993-04-20 David J. MacKenzie <djm@gnu.org>
24182
24183 * src/version.c: *** empty log message ***
24184
24185 * src/files.c, src/allocate.c:
24186 entered into RCS
24187
24188 * src/reader.c: *** empty log message ***
24189
24190 * src/lex.c: entered into RCS
24191
24192 * src/conflicts.c: New file.
24193
24194 * src/symtab.c: entered into RCS
24195
24196 * src/alloc.h: New file.
24197
24198 * src/LR0.c: entered into RCS
24199
24200 1993-04-18 Noah Friedman <friedman@gnu.org>
24201
24202 * src/reader.c: New file.
24203
24204 * src/version.c: *** empty log message ***
24205
24206 1993-04-18 Noah Friedman <friedman@gnu.org>
24207
24208 * Makefile.in: *** empty log message ***
24209
24210 1993-04-17 Noah Friedman <friedman@gnu.org>
24211
24212 * Makefile.in: *** empty log message ***
24213
24214 1993-04-15 Richard Stallman <rms@gnu.org>
24215
24216 * src/main.c, src/files.c:
24217 New file.
24218
24219 1993-04-15 Noah Friedman <friedman@gnu.org>
24220
24221 * configure.in: entered into RCS
24222
24223 * configure.in: *** empty log message ***
24224
24225 * configure.in: New file.
24226
24227 1993-04-14 Richard Stallman <rms@gnu.org>
24228
24229 * Makefile.in: New file.
24230
24231 1993-04-13 Richard Stallman <rms@gnu.org>
24232
24233 * src/version.c: New file.
24234
24235 1993-03-25 Richard Stallman <rms@gnu.org>
24236
24237 * src/output.c: entered into RCS
24238
24239 1992-09-25 Richard Stallman <rms@gnu.org>
24240
24241 * configure.bat: entered into RCS
24242
24243 1992-06-22 Richard Stallman <rms@gnu.org>
24244
24245 * src/vmsgetargs.c: entered into RCS
24246
24247 1992-06-22 Richard Stallman <rms@gnu.org>
24248
24249 * doc/bison.rnh: entered into RCS
24250
24251 1992-04-20 David J. MacKenzie <djm@gnu.org>
24252
24253 * README: entered into RCS
24254
24255 1992-01-22 Richard Stallman <rms@gnu.org>
24256
24257 * src/machine.h: entered into RCS
24258
24259 1991-12-21 Richard Stallman <rms@gnu.org>
24260
24261 * src/lalr.c, src/closure.c:
24262 entered into RCS
24263
24264 1991-12-20 Richard Stallman <rms@gnu.org>
24265
24266 * src/state.h: entered into RCS
24267
24268 1991-12-18 Richard Stallman <rms@gnu.org>
24269
24270 * src/print.c, src/nullable.c, src/derives.c:
24271 entered into RCS
24272
24273 1991-11-03 David J. MacKenzie <djm@gnu.org>
24274
24275 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
24276 entered into RCS
24277
24278 1988-09-09 Richard Stallman <rms@gnu.org>
24279
24280 * src/bison.hairy: entered into RCS
24281
24282 1987-12-16 Richard Stallman <rms@gnu.org>
24283
24284 * REFERENCES: entered into RCS
24285
24286
24287 -----
24288
24289 Copyright (C) 1987-1988, 1991-2012 Free Software Foundation,
24290 Inc.
24291
24292 Copying and distribution of this file, with or without
24293 modification, are permitted provided the copyright notice and this
24294 notice are preserved.