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1 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
2
3 doc: clean up naming of various Bison files.
4 The Bison manual's names for various files associated with a Bison
5 parser has devolved into inconsistency. This patch makes the
6 naming consistent for the most important files. First, it chooses
7 "grammar file" over "input file". The former appears to be more
8 traditional in the Bison manual, and Bison has other input
9 files (skeletons). Second, it chooses "parser implementation
10 file" over names like "parser file", "parser source file", "parser
11 source code file", and "parser output file". The new name makes
12 it clearer where Bison generates the main parser implementation,
13 and it is easily distinguishable from "parser header file".
14 * doc/bison.texinfo: Implement throughout.
15
16 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
17
18 doc: give credit to more of Bison's developers.
19 * doc/bison.texinfo (Introduction): Don't imply that only Robert
20 Corbett, Richard Stallman, and Wilfred Hansen have contributed to
21 Bison. However, I don't have time to write a full history, so
22 just point readers to THANKS and ChangeLog.
23
24 2011-02-06 Joel E. Denny <joeldenny@joeldenny.org>
25
26 doc: document experimental features better.
27 * doc/bison.texinfo (Introduction): Say that IELR(1) and canonical
28 LR(1) are experimental. Mention Java. Normally experimental
29 features probably shouldn't be mentioned in the introduction.
30 However, if Bison's limitations to LALR(1), C, and C++ are so
31 important that they should be mentioned here, then it's important
32 to point out that Bison is beginning to escape those limitations.
33 Moreover, these particular experimental features have very little
34 chance of being removed.
35 * src/getargs.c (usage): Say that IELR(1) and canonical LR(1) are
36 experimental.
37
38 2011-01-29 Joel E. Denny <joeldenny@joeldenny.org>
39
40 Do not allow identifiers that start with a dash.
41 This cleans up our previous fixes for a bug whereby Bison
42 discarded `.field' in `$-1.field'. The previous fixes were less
43 restrictive about where a dash could appear in an identifier, but
44 the restrictions were hard to explain. That bug was reported and
45 this final fix was originally suggested by Paul Hilfinger. This
46 also fixes a remaining bug reported by Paul Eggert whereby Bison
47 parses `%token ID -123' as `%token ID - 123' and handles `-' as an
48 identifier. Now, `-' cannot be an identifier. Discussed in
49 threads beginning at
50 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>,
51 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00004.html>.
52 * NEWS (2.5): Update entry describing the dash extension to
53 grammar symbol names. Also, move that entry before the named
54 references entry because the latter mentions the former.
55 * doc/bison.texinfo (Symbol): Update documentation for symbol
56 names. As suggested by Paul Eggert, mention the effect of periods
57 and dashes on named references.
58 (Decl Summary): Update documentation for unquoted %define values,
59 which, as a side effect, can no longer start with dashes either.
60 * src/scan-code.l (id): Implement.
61 * src/scan-gram.l (id): Implement.
62 * tests/actions.at (Exotic Dollars): Extend test group to exercise
63 bug reported by Paul Hilfinger.
64 * tests/input.at (Symbols): Update test group, and extend to
65 exercise bug reported by Paul Eggert.
66 * tests/named-refs.at (Stray symbols in brackets): Update test
67 group.
68 ($ or @ followed by . or -): Likewise.
69 * tests/regression.at (Invalid inputs): Likewise.
70
71 2011-01-24 Joel E. Denny <joeldenny@joeldenny.org>
72
73 * data/yacc.c: Fix last apostrophe warning from xgettext.
74
75 2011-01-09 Paul Eggert <eggert@cs.ucla.edu>
76
77 Fix minor problems encountered by a fresh bootstrap.
78 * data/glr.c, data/yacc.c: Do not use apostrophes in '#' comments,
79 as they confuse xgettext, which tries to parse them as C character
80 constants in a preprocessor directive.
81 * data/yacc.c (yy_lac): Don't use printf %d format on *yyesp, as
82 that expression might not promote to int on some platforms.
83 * src/parse-gram.c, src/parse-gram.h: Regenerate.
84
85 2011-01-09 Joel E. Denny <joeldenny@joeldenny.org>
86
87 Improve error messages for `$' or `@' followed by `.' or `-'.
88 Previously, for this special case of an invalid reference, the
89 usual "symbol not found in production:" was printed. However,
90 because the symbol name was parsed as the empty string, that
91 message was followed immediately by a newline instead of a symbol
92 name. In reality, this is a syntax error, so the reference is
93 invalid regardless of the symbols actually appearing in the
94 production. Discussed at
95 <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00012.html>.
96 * src/scan-code.l (parse_ref): Report the above case as a syntax
97 error. Other than that, continue to handle this case like any
98 other invalid reference that Bison manages to parse because
99 "possibly meant" messages can still be helpful to the user.
100 * tests/named-refs.at ($ or @ followed by . or -): New test group.
101
102 2011-01-08 Joel E. Denny <joeldenny@joeldenny.org>
103
104 doc: don't use @acronym.
105 Lately, many GNU packages are dropping it. See
106 <http://lists.gnu.org/archive/html/bison-patches/2011-01/msg00003.html>.
107 * doc/bison.texinfo: Remove all uses.
108
109 2011-01-05 Alex Rozenman <rozenman@gmail.com>
110
111 Do not allow identifiers that start with a negative number.
112 Reported by Paul Hilfinger as a side effect of named references
113 support at
114 <http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>.
115 Suggested by Paul Eggert.
116 * src/scan-code.l ({letter}, {id}): Adjust lexical definitions.
117 * src/scan-gram.l ({letter}, {id}): Likewise.
118
119 2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
120
121 * ChangeLog (2011-01-02): improve description.
122
123 2011-01-03 Joel E. Denny <joeldenny@joeldenny.org>
124
125 maint: don't update copyright years in bootstrap.
126 * .x-update-copyright: Add entry for bootstrap.
127 * bootstrap: Remove 2011 from copyright years. The bootstrap
128 version we're currently using comes from an older version of
129 gnulib.
130 * bootstrap.conf (bootstrap_sync): Add comments explaining this
131 issue.
132
133 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
134
135 maint: run "make update-copyright".
136
137 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
138
139 maint: prepare to use year ranges in copyright notices.
140 * README (Copyright statements): New section explaining the range
141 notation. The GNU maintainers document requires this explanation:
142 <http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices>.
143 I copied our explanation from coreutils.
144 * build-aux/update-b4-copyright: Revert 2010-06-17 changes that
145 disabled Bison's automated use of ranges.
146 * cfg.mk (update-copyright-env): Likewise.
147
148 2011-01-02 Joel E. Denny <joeldenny@joeldenny.org>
149
150 Correct my email address.
151 * ChangeLog: In all recent entries.
152 * THANKS (Joel E. Denny): Here.
153
154 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
155
156 doc: cleanup.
157 * NEWS (2.5): Try to sort entries according to how interesting
158 users might find them.
159
160 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
161
162 doc: cleanup.
163 * NEWS (2.5): Make some minor improvements to wording, and format
164 entries more consistently.
165 * doc/bison.texinfo (Language and Grammar): Point out that IELR
166 and canonical LR are experimental features.
167 (Decl Summary): In list of %define variables, make wording more
168 consistent. Improve discussion of using LALR for GLR.
169
170 2010-12-19 Joel E. Denny <joeldenny@joeldenny.org>
171
172 parse.lac: document.
173 * NEWS (2.5): Add entry for LAC, and mention LAC in entry for
174 other corrections to verbose syntax error messages.
175 * doc/bison.texinfo (Decl Summary): Rewrite entries for
176 lr.default-reductions and lr.type to be clearer, to mention
177 %nonassoc's effect on canonical LR, and to mention LAC. Add entry
178 for parse.lac.
179 (Glossary): Add entry for LAC.
180
181 2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
182
183 parse.lac: implement exploratory stack reallocations.
184 * data/yacc.c: Rename %define variable parse.lac.es-capacity to
185 parse.lac.es-capacity-initial. Accept parse.lac.memory-trace
186 with values of "failures" (default) or "full".
187 (b4_declare_parser_state_variables): Add yyesa, yyes, and
188 yyes_capacity variables.
189 (YYSTACK_USE_ALLOCA): Ignore it if LAC requested.
190 (YYSTACK_ALLOC, YYSTACK_FREE, YYSTACK_ALLOC_MAXIMUM): Define if
191 LAC requested.
192 (YYCOPY_NEEDED): New cpp macro.
193 (YYCOPY): Define if LAC requested.
194 (yy_lac_stack_realloc): New function implementing stack
195 reallocations. Use YYMAXDEPTH for maximum stack size given that
196 the stack should never need to grow larger than the main state
197 stack needs to grow without LAC.
198 (YY_LAC_ESTABLISH): Update yy_lac invocation.
199 (yy_lac): Add arguments for exploratory stack memory data
200 recorded in the main parser. Invoke yy_lac_stack_realloc when
201 reallocation is necessary.
202 (yysyntax_error): Add the same new arguments and pass them to
203 yy_lac.
204 (yypstate_delete): Free yyes if necessary.
205 (yyesa, yyes, yyes_capacity): #define these to yypstate members
206 in the case of push parsing.
207 (yyparse, yypush_parse): Initialize yyes and yyes_capacity.
208 Update yysyntax_error invocations. At yyreturn, free yyes if
209 necessary.
210 * src/parse-gram.y: %define parse.lac full.
211 * tests/input.at (LAC: errors for %define): Extend for
212 parse.lac-memory-trace.
213 * tests/regression.at (LAC: Exploratory stack): Extend to check
214 that stack reallocs happen when expected.
215 (LAC: Memory exhaustion): Update to use YYMAXDEPTH and
216 parse.lac.es-capacity-initial.
217
218 2010-12-11 Joel E. Denny <joeldenny@joeldenny.org>
219
220 parse.lac: implement as %define variable.
221 LAC = lookahead correction. See discussion at
222 <http://lists.gnu.org/archive/html/bison-patches/2009-09/msg00034.html>.
223 However, one point there must be corrected: because of %nonassoc,
224 LAC is *not* always redundant for lr.type=canonical-lr.
225 * data/yacc.c: Accept values of "none" (default) or "full" for
226 parse.lac. Accept %define parse.lac.es-capacity to specify
227 capacity of LAC's temporary exploratory stack. It defaults to 20
228 and, for now, will not grow dynamically.
229 (b4_lac_flag, b4_lac_if): New m4 macros. Evaluate as true for
230 parse.lac!=none.
231 (YYBACKUP): Invoke YY_LAC_DISCARD.
232 (YY_LAC_ESTABLISH, YY_LAC_DISCARD): New cpp macros that invoke
233 yy_lac and track when it needs to be invoked
234 (yy_lac): New function that, given the current stack, determines
235 whether a token can eventually be shifted. Return status mimics
236 yyparse return status.
237 (yysyntax_error): Change yystate argument to yyssp so stack top
238 can be passed to yy_lac. If LAC is requested, build expected
239 token list by invoking yy_lac for every token instead of just
240 checking the current state for lookaheads. Return 2 if yy_lac
241 exhausts memory.
242 (yyparse, yypush_parse): Use local variable yy_lac_established and
243 cpp macros YY_LAC_ESTABLISH and YY_LAC_DISCARD to implement LAC.
244 Update yysyntax_error invocation. Add yyexhaustedlab code if LAC
245 is requested.
246 * tests/conflicts.at (%nonassoc and eof): Extend to check the
247 effect of each of -Dlr.type=canonical-lr and -Dparse.lac=full.
248 (%error-verbose and consistent errors): Likewise.
249 (LAC: %nonassoc requires splitting canonical LR states): New test
250 group demonstrating how LAC can fix canonical LR.
251 * tests/input.at (LAC: Errors for %define): New test group.
252 * tests/regression.at (LAC: Exploratory stack): New test group.
253 (LAC: Memory exhaustion): New test group.
254
255 2010-11-21 Joel E. Denny <joeldenny@joeldenny.org>
256
257 build: use gnulib's new bootstrap_sync option.
258 Now, whenever we update bison's copy of gnulib, bootstrap will
259 update itself the next time it's run.
260 * bootstrap: Copy from latest gnulib for bootstrap_sync support.
261 * bootstrap.conf (bootstrap_sync): Set to true.
262 * gnulib: Update to latest so bootstrap is in sync now.
263
264 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
265
266 yysyntax_error: adjust prior fixes for branch-2.5's lalr1.cc.
267 On master, there is no yychar in lalr1.cc, but there is on
268 branch-2.5, and the prior cherry-pick of "Fix handling of yychar
269 manipulation in user semantic actions" wasn't adjusted for that
270 difference.
271 * data/lalr1.cc (yy::parser::parse): Translate yychar before
272 every use of yytoken, and add comments explaining this approach.
273 * tests/conflicts.at (%error-verbose and consistent errors):
274 Extend to test yychar manipulation with lalr1.cc.
275
276 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
277
278 yysyntax_error: fix for consistent error with lookahead.
279 * NEWS (2.5): Document.
280 * data/yacc.c (yysyntax_error): In a verbose syntax error
281 message while in a consistent state with a default action (which
282 must be an error action given that yysyntax_error is being
283 invoked), continue to drop the expected token list, but don't
284 drop the unexpected token unless there actually is no lookahead.
285 Moreover, handle that internally instead of returning 1 to tell
286 the caller to do it. With that meaning of 1 gone, renumber
287 return codes more usefully.
288 (yyparse, yypush_parse): Update yysyntax_error usage. Most
289 importantly, set yytoken to YYEMPTY when there's no lookahead.
290 * data/glr.c (yyreportSyntaxError): As in yacc.c, don't drop the
291 unexpected token unless there actually is no lookahead.
292 * data/lalr1.cc (yy::parser::parse): If there's no lookahead,
293 set yytoken to yyempty_ before invoking yysyntax_error_.
294 (yy::parser::yysyntax_error_): Again, don't drop the unexpected
295 token unless there actually is no lookahead.
296 * data/lalr1.java (YYParser::parse): If there's no lookahead,
297 set yytoken to yyempty_ before invoking yysyntax_error.
298 (YYParser::yysyntax_error): Again, don't drop the unexpected
299 token unless there actually is no lookahead.
300 * tests/conflicts.at (%error-verbose and consistent
301 errors): Extend test group to further reveal how the previous
302 use of the simple "syntax error" message was too general. Test
303 yacc.c, glr.c, lalr1.cc, and lalr1.java. No longer an expected
304 failure.
305 * tests/java.at (AT_JAVA_COMPILE, AT_JAVA_PARSER_CHECK): Move
306 to...
307 * tests/local.at: ... here.
308 (_AT_BISON_OPTION_PUSHDEFS): Push AT_SKEL_JAVA_IF definition.
309 (AT_BISON_OPTION_POPDEFS): Pop it.
310 (AT_FULL_COMPILE): Extend to handle Java.
311
312 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
313
314 yysyntax_error: more preparation for readability of next patch.
315 There are no behavioral changes here.
316 * data/glr.c (yyreportSyntaxError): Reorganize.
317 * data/lalr1.cc (yy::parser::yysyntax_error_): Reorganize.
318 * tests/conflicts.at (%error-verbose and consistent errors):
319 Reorganize.
320
321 2010-11-07 Joel E. Denny <joeldenny@joeldenny.org>
322
323 yysyntax_error: prepare for readability of next patches.
324 These are purely whitespace changes that result in ugly code
325 but that make the next couple of patches much easier to read.
326 * data/glr.c (yyreportSyntaxError): Reindent.
327 * data/lalr1.cc (yy::parser::yysyntax_error_): Reindent.
328 * data/lalr1.java (YYParser::yysyntax_error): Reindent.
329 * data/yacc.c (yysyntax_error): Reindent.
330
331 2010-10-31 Joel E. Denny <joeldenny@joeldenny.org>
332
333 yysyntax_error: improve invocation readability.
334 * data/yacc.c (yyparse, yypush_parse): For yysyntax_error
335 invocation, get rid of the while loop, which is misleading
336 because there are really at most two iterations.
337
338 2010-10-31 Joel E. Denny <joeldenny@joeldenny.org>
339
340 * ChangeLog: Correct some errors in previous entries.
341
342 2010-10-17 Joel E. Denny <joeldenny@joeldenny.org>
343
344 maint: re-anchor all .gitignore entries.
345 * bootstrap: Copy from gnulib's latest for the fix to
346 automatically anchor entries it constructs.
347 * gnulib: Update to latest just so it has the same bootstrap.
348 * .gitignore, build-aux/.gitignore, doc/.gitignore:
349 * lib/.gitignore, m4/.gitignore, po/.gitignore:
350 * runtime-po/.gitignore: Re-anchor all entries.
351
352 2010-10-08 Paul Eggert <eggert@cs.ucla.edu>
353
354 Fix portability problem on OpenBSD 4.7.
355
356 Jim Meyering reported this in
357 <http://lists.gnu.org/archive/html/bug-bison/2010-10/msg00007.html>.
358 * data/yacc.c: Use EXIT_SUCCESS as a witness for stdlib.h,
359 not _STDLIB_H. EXIT_SUCCESS has been defined by the standard
360 for quite some time.
361 * src/parse-gram.c, src/parse-gram.h: Regenerate.
362 * tests/regression.at: Tamper with the renamed witness.
363
364 Adjust to recent changes to gnulib bootstrap.
365
366 * .cvsignore, build-aux/.cvsignore, doc/.cvsignore, etc/.cvsignore:
367 * examples/calc++/.cvsignore, lib/.cvsignore, m4/.cvsignore:
368 * po/.cvsignore, runtime-po/.cvsignore, src/.cvsignore:
369 * tests/.cvsignore: Remove; I don't use CVS to maintain Bison
370 anymore and don't know of anybody else who does. If someone needs
371 these files, they can resurrect them.
372 * .gitignore, build-aux/.gitignore, doc/.gitignore, lib/.gitignore:
373 * m4/.gitignore, po/.gitignore, runtime-po/.gitignore:
374 Omit leading '/', since bootstrap omits it.
375 Adjust file names to match current contents better.
376 * bootstrap: Sync from gnulib: this contains the new gnulib_mk_hook
377 installed just for us.
378 * bootstrap.conf (excluded_files): Don't exclude codeset.m4,
379 glibc21.m4, inttypes_h.m4, size_max.m4, xsize.m4, as they are now
380 needed somehow. Don't have time to look into why.
381 (gnulib_modules): Change malloc to malloc-gnu. Do we really assume
382 the GNU malloc behavior, where malloc (0) != NULL unless we're
383 out of storage? If not, we can omit malloc-gnu; but for now I left
384 it in to be safe.
385 (vc_ignore): Remove.
386 * README-hacking: Renamed from HACKING, since gnulib bootstrap now
387 uses that convention.
388
389 2010-08-05 Joel E. Denny <joeldenny@joeldenny.org>
390
391 Version 2.4.3.
392 * NEWS (2.4.3): Set date.
393
394 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
395
396 maint: add gettext version to release announcements.
397 Suggested by Paul Hilfinger at
398 <http://lists.gnu.org/archive/html/bison-patches/2010-07/msg00019.html>
399 <http://lists.gnu.org/archive/html/bison-patches/2010-08/msg00002.html>.
400 * cfg.mk (bootstrap-tools): Add gettext.
401
402 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
403
404 doc: fix -W and %expect documentation some.
405 * NEWS (2.4.3): Mention that there are documentation fixes.
406 * doc/bison.texinfo (Expect Decl): Make it clear that %expect
407 turns conflicts into errors not warnings.
408 (Shift/Reduce): Likewise.
409 (Bison Options): Don't mention -Wsyntax. It doesn't exist.
410
411 2010-08-01 Joel E. Denny <joeldenny@joeldenny.org>
412
413 -Werror: fix for rules useless in parser after conflicts.
414 * NEWS (2.4.3): Document fix.
415 * src/complain.c (error_message): Extend to handle incomplete
416 error messages so warn and warn_at can be used in more cases.
417 * src/gram.c (grammar_rules_useless_report): Use warn_at so that
418 -Werror is always obeyed.
419 * src/reduce.c (reduce_print): Use warn so that the "warnings
420 being treated as errors" message is printed consistently before
421 the first warning message. This makes testing easier.
422 * tests/local.at (AT_BISON_WERROR_MSG): New macro.
423 (AT_BISON_CHECK_NO_XML): Extend to check -Werror and
424 --warnings=error when warnings appear in bison's stderr.
425
426 2010-07-29 Joel E. Denny <joeldenny@joeldenny.org>
427
428 maint: enable gnits only at stable releases.
429 * configure.ac (AM_INIT_AUTOMAKE): Underscore or dash in a
430 version string should disable gnits. Explain in comments.
431
432 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
433
434 i18n: update.
435 * po/POTFILES.in: Add src/graphviz.c.
436
437 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
438
439 i18n: fix for gnulib.
440 * po/POTFILES.in: Add remaining gnulib files that have
441 translatable strings.
442
443 2010-07-25 Joel E. Denny <joeldenny@joeldenny.org>
444
445 maint: use announce-gen's new --mail-headers.
446 * HACKING (Announce): Update instructions.
447 * cfg.mk (announcement_Cc_): Define.
448 * configure.ac (AM_GNU_GETTEXT_VERSION): Update to 0.18 as
449 required by latest gnulib.
450 * gnulib: Update to latest.
451
452 2010-07-24 Joel E. Denny <joeldenny@joeldenny.org>
453
454 tests: handle Valgrind that complains about >&-.
455 * tests/output.at (AT_CHECK_OUTPUT): Extend to accept pre-tests.
456 (Output files: -dv >&-): Skip test group if running
457 maintainer-check-valgrind.
458
459 2010-06-17 Paul Eggert <eggert@cs.ucla.edu>
460
461 Update from GFDL GFDL 1.2 to 1.3.
462 * doc/bison.texinfo: Update GFDL version number.
463 * doc/fdl.texi: Update to version 1.3, taken from:
464 http://www.gnu.org/licenses/fdl.texi
465
466 2010-06-17 Paul Eggert <eggert@cs.ucla.edu>
467
468 Do not use date ranges in copyright notices.
469 See http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices
470
471 * HACKING, Makefile.am, NEWS, PACKAGING, README, README-alpha:
472 * TODO, bootstrap, bootstrap.conf:
473 * build-aux/update-b4-copyright, cfg.mk, configure.ac:
474 * data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4:
475 * data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc:
476 * data/java-skel.m4, data/java.m4, data/lalr1.cc:
477 * data/lalr1.java, data/location.cc:
478 * data/xslt/bison.xsl:
479 * data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl:
480 * data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint:
481 * djgpp/README.in, djgpp/config.bat, djgpp/config.sed:
482 * djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat:
483 * djgpp/subpipe.c, djgpp/subpipe.h:
484 * djgpp/testsuite.sed, doc/bison.texinfo:
485 * doc/refcard.tex, etc/README, etc/bench.pl.in:
486 * examples/calc++/Makefile.am, examples/extexi:
487 * lib/abitset.c, lib/abitset.h:
488 * lib/bbitset.h, lib/bitset.c, lib/bitset.h:
489 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
490 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
491 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
492 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
493 * lib/libiberty.h, lib/main.c, lib/timevar.c:
494 * lib/timevar.def, lib/timevar.h, lib/vbitset.c:
495 * lib/vbitset.h, lib/yyerror.c, m4/bison-i18n.m4:
496 * m4/c-working.m4, m4/cxx.m4, m4/subpipe.m4, m4/timevar.m4:
497 * src/AnnotationList.c, src/AnnotationList.h:
498 * src/InadequacyList.c, src/InadequacyList.h, src/LR0.c:
499 * src/LR0.h, src/Sbitset.c, src/Sbitset.h, src/assoc.c:
500 * src/assoc.h, src/closure.c, src/closure.h, src/complain.c:
501 * src/complain.h, src/conflicts.c, src/conflicts.h:
502 * src/derives.c, src/derives.h, src/files.c, src/files.h:
503 * src/flex-scanner.h, src/getargs.c, src/getargs.h:
504 * src/gram.c, src/gram.h, src/graphviz.c, src/ielr.c:
505 * src/ielr.h, src/lalr.c, src/lalr.h:
506 * src/location.c, src/location.h, src/main.c:
507 * src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c:
508 * src/named-ref.h, src/nullable.c, src/nullable.h:
509 * src/output.c, src/output.h, src/parse-gram.y:
510 * src/print-xml.c, src/print-xml.h, src/print.c, src/print.h:
511 * src/print_graph.c, src/print_graph.h, src/reader.c:
512 * src/reader.h, src/reduce.c, src/reduce.h, src/relation.c:
513 * src/relation.h, src/scan-code.h, src/scan-code.l:
514 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
515 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
516 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
517 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
518 * tests/actions.at, tests/atlocal.in, tests/c++.at:
519 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
520 * tests/existing.at, tests/glr-regression.at:
521 * tests/headers.at, tests/input.at, tests/java.at:
522 * tests/local.at, tests/named-refs.at:
523 * tests/output.at, tests/push.at, tests/reduce.at:
524 * tests/regression.at, tests/sets.at, tests/skeletons.at:
525 * tests/synclines.at, tests/testsuite.at, tests/torture.at:
526 * data/Makefile.am, data/location.cc, doc/Makefile.am, src/Makefile.am:
527 * tests/Makefile.am, lib/Makefile.am, examples/Makefile.am:
528 * etc/Makefile.am:
529 Don't use date ranges in copyright notices.
530
531 2010-05-11 Akim Demaille <demaille@gostai.com>
532
533 lalrl1.cc: give a chance to user defined YYLLOC_DEFAULT.
534 * data/lalr1.cc (YYLLOC_DEFAULT): Move its definition from the
535 header file to the implementation file, after the user %code
536 sections.
537 * NEWS (2.5): Document this.
538
539 2010-05-07 Akim Demaille <demaille@gostai.com>
540
541 c++: use YYRHSLOC.
542 * data/lalr1.cc (YYRHSLOC): New.
543 (YYLLOC_DEFAULT): Use it.
544 * data/glr.cc: If location_type was user defined, do not include
545 location.hh, and do not produce location.hh and position.hh.
546 * tests/calc.at (YYLLOC_DEFAULT): Use YYRHSLOC.
547 Check that glr.cc supports user defined location_type.
548 * NEWS: Document this.
549
550 2010-05-10 Akim Demaille <demaille@gostai.com>
551
552 doc: fix lalr1.cc documentation.
553 * doc/bison.texinfo (C++ Scanner Interface): Fix yylex signature.
554 (C++ Bison Interface): Fix lalr1.cc skeleton name.
555 (C++ Parser Interface): Fix semantic_type and location_type names.
556 Document yy::parser::token.
557 Reported by Jerry Quinn.
558
559 2010-05-04 Akim Demaille <demaille@gostai.com>
560
561 lalr1.cc: don't generate location.hh when location_type is defined
562 * data/bison.m4 (b4_percent_define_use): New.
563 (b4_percent_define_get): Use it.
564 Accept a default value.
565 * data/c++.m4: Do not provide a default value for the %define
566 variable location_type, rather, use b4_percent_define_get with a
567 default argument where its value is needed.
568 * data/lalr1.cc: Do not load location.cc (which outputs both
569 location.hh and position.hh) if the user defined location_type.
570 Do not include location.hh either.
571 * data/glr.cc: Likewise.
572
573 2010-05-04 Akim Demaille <demaille@gostai.com>
574
575 lalr1.cc: location_type: make sure we don't depend on loc.(begin|end).
576 * tests/calc.at (Span): Instead of begin/end, as in the built-in
577 location class, use first and last.
578 Define YYLLOC_DEFAULT to adjust to these changes.
579 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Adjust to the
580 location_type changes.
581
582 2010-05-04 Akim Demaille <demaille@gostai.com>
583
584 tests: enhance AT_SYNCLINES_COMPILE.
585 * tests/synclines.at (AT_TEST_SYNCLINE): Move GCC 4.5 protection
586 into...
587 (AT_SYNCLINES_COMPILE): here.
588 Add more distcc patterns.
589
590 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
591
592 tests: fix maintainer-xml-check.
593 * data/xslt/xml2dot.xsl (xsl:template match="bison-xml-report"):
594 Update output to include comments now produced by --graph.
595 (xsl:template match="automaton"): As for --graph, name the
596 digraph after the grammar file.
597 * src/print-xml.c (escape_bufs): Enlarge array.
598 (print_xml): Add bug-report and url attributes to
599 bison-xml-report element.
600
601 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
602
603 In DOT output, convert from "/*" comments to "//" comments.
604 This handles the possibility that a "*/" might appear in
605 variable portions of those comments at some point in the future.
606 * src/graphviz.c (start_graph): Implement.
607
608 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
609
610 Document that undefined %prec identifier warnings will remain.
611 * NEWS (2.4.3): Here.
612 (2.4.2): Here.
613
614 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
615
616 Revert 2009-12-30 change for undefined %prec token complaints.
617 That is, keep them as warnings because that should be sufficient
618 to satisfy POSIX without creating backward compatibility issues.
619 Suggested by Richard Stallman at
620 <http://lists.gnu.org/archive/html/bison-patches/2010-03/msg00033.html>.
621 * NEWS (2.5): Remove mention of complaint.
622 * src/reader.c (grammar_rule_check): Convert complaint back to
623 warning.
624 * tests/input.at (%prec's token must be defined): Update.
625
626 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
627
628 build: don't require src/bison during bootstrap.
629 Suggested by Eric Blake at
630 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00003.html>.
631 * bootstrap.conf (bootstrap_epilogue): New function to make sure
632 src/parse-gram.[ch] are stamped later than src/parse-gram.y.
633
634 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
635
636 i18n: fix untranslatable string.
637 Reported by Goran Uddeborg at
638 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00000.html>.
639 * src/muscle-tab.c (muscle_percent_define_insert): Here.
640
641 2010-04-13 Akim Demaille <demaille@gostai.com>
642
643 tests: calc: minor refactoring.
644 * tests/calc.at (_AT_DATA_CALC_Y): Simplify yylex.
645
646 2010-04-13 Akim Demaille <demaille@gostai.com>
647
648 tests: calc: simplify location management.
649 * tests/local.at (AT_LOC_PUSHDEF, AT_LOC_POPDEF): New.
650 (_AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS): Use them to
651 define the appropriate AT_LOC accessors.
652 * tests/calc.at: Use AT_LOC accessors.
653
654 2010-04-13 Akim Demaille <demaille@gostai.com>
655
656 test location_type.
657 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS):
658 Define AT_LOCATION_TYPE_IF.
659 (_AT_BISON_OPTION_POPDEFS): Undefine AT_LOCATION_TYPE_IF.
660 * tests/calc.at (_AT_DATA_CALC_Y): When %define location_type is
661 used, provide a user location type and use it.
662 (Simple LALR1 C++ Calculator): Add a test case for location_type.
663
664 2010-04-13 Akim Demaille <demaille@gostai.com>
665
666 tests: check fclose's return value.
667 * tests/calc.at (_AT_DATA_CALC_Y): Check fclose's return status.
668
669 2010-04-13 Akim Demaille <demaille@gostai.com>
670
671 tests: don't depend on the actual location type.
672 * tests/calc.at: Use yy::parser::location_type rather than
673 yy::location, since the former is always right, and might point to
674 another type than the latter.
675
676 2010-04-13 Akim Demaille <demaille@gostai.com>
677
678 formatting changes.
679 * tests/calc.at: Formatting changes.
680
681 2010-04-13 Akim Demaille <demaille@gostai.com>
682
683 lalr1.cc: remove useless forward declaration.
684 * data/lalr1.cc: Include location.hh before stack.hh.
685 Remove the useless forward declarations of position and location.
686 Reported by Chris Morley.
687 * data/glr.cc: Likewise.
688
689 2010-04-11 Joel E. Denny <joeldenny@joeldenny.org>
690
691 * NEWS (2.4.3): Mention fix for Sun Studio C++.
692
693 2010-04-10 Joel E. Denny <joeldenny@joeldenny.org>
694
695 tests: fix for newer Sun Studio C++.
696 Reported by Dagobert Michelsen at
697 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00023.html>.
698 * THANKS (Dagobert Michelsen): Add.
699 * configure.ac (AC_PREREQ): Set to 2.64 so we get the latest
700 Autoconf macro for handling the restrict keyword.
701 * gnulib: Update to latest, which no longer overrides that macro
702 from Autoconf.
703
704 2010-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
705
706 portability: fix pointer arithmetic to conform to C standard.
707 Reported by Tys Lefering at
708 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00035.html>.
709 This fix is already implemented in glr.c and does not apply to
710 lalr1.java.
711 * data/lalr1.cc (yy::parser::parse): Increase size of
712 yyerror_range and adjust subscripting so you don't have to
713 subtract one from the beginning of the array.
714 * data/yacc.c (b4_declare_parser_state_variables,
715 yyparse, yypush_parse): Likewise.
716
717 2010-04-05 Akim Demaille <demaille@gostai.com>
718
719 remove useless include.
720 * src/graphviz.h: Don't include stdbool.h.
721
722 2010-04-05 Akim Demaille <demaille@gostai.com>
723
724 graph: sign the output file.
725 * src/graphviz.c (start_graph): Issue comments about Bison.
726 Suggested by Tys Lefering.
727
728 2010-03-31 Joel E. Denny <jdenny@ces.clemson.edu>
729
730 portability: fix test suite for GCC 4.5's new #error message.
731 Reported by Tys Lefering at
732 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00030.html>.
733 * NEWS (2.4.3): Mention.
734 * tests/synclines.at (AT_TEST_SYNCLINE): Implement.
735
736 2010-03-30 Akim Demaille <demaille@gostai.com>
737
738 fix comments.
739 * src/graphviz.h: Add missing license notice.
740 Document.
741
742 2010-03-25 Akim Demaille <demaille@gostai.com>
743
744 tests: fix 250: parse.error=verbose overflow.
745 * tests/regression.at (parse.error=verbose overflow): Avoid the
746 double inclusion of stdlib.h as it triggers hard errors.
747
748 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
749
750 portability: fix for BSD make.
751 Reported by Johan van Selst at
752 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00016.html>.
753 * tests/Makefile.am ($(TESTSUITE)): Qualify package.m4 in
754 this dependency list as in package.m4's target rule.
755
756 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
757
758 portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.
759 Reported by Johan van Selst at
760 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00014.html>.
761 * NEWS (2.4.3): New.
762 * THANKS (Johan van Selst): Add.
763 * gnulib: Update to latest.
764
765 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
766
767 maint: update for changes to gnulib's announce-gen.
768 * HACKING (Announce): RELEASE_TYPE=major must now be written
769 RELEASE_TYPE=stable.
770
771 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
772
773 Version 2.4.2.
774 * NEWS (2.4.2): Set version and date. For the recent test suite
775 portability fixes, don't be so optimistic about their success
776 given the lack of feedback on the affected platforms.
777
778 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
779
780 tests: fix maintainer-xml-check for recent changes.
781 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Use
782 AT_BISON_CHECK_NO_XML rather than AT_BISON_CHECK because an
783 output file whose name conflicts with a previous output file
784 is now never generated.
785
786 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
787
788 portability: fix several issues with M4 subprocess.
789
790 M4's output pipe was not being drained upon fatal errors during
791 scan_skel. As a result, broken-pipe messages from M4 were seen
792 on at least AIX, HP-UX, Solaris, and RHEL4, and this caused a
793 failure in the test suite. The problem was that, on platforms
794 where the default disposition for SIGPIPE is ignore instead of
795 terminate, M4 sometimes saw fwrite fail with errno=EPIPE and
796 then reported it. However, there's some sort of race condition,
797 because the new test group occasionally succeeded.
798 Reported by Albert Chin at
799 <http://lists.gnu.org/archive/html/bug-bison/2010-02/msg00004.html>.
800
801 There were also problems with the test suite livelocking on
802 Tru64 5.1b. Reported by Didier Godefroy at
803 <http://lists.gnu.org/archive/html/bug-bison/2009-05/msg00005.html>.
804 Switching to create_pipe_bidi suggested by Akim Demaille.
805
806 To attempt to solve both of these problems, switch to gnulib's
807 create_pipe_bidi and register M4 process as a slave. Along the
808 way, clean up file name conflict handling, which was affected by
809 the broken-pipe problem before the switch.
810 * NEWS (2.4.2): Document.
811 * THANKS (Didier Godefroy): Add.
812 * bootstrap.conf (gnulib_modules): Add pipe.
813 * gnulib: Update to latest to make sure we have all the latest
814 fixes.
815 * lib/Makefile.am (libbison_a_SOURCES): Remove subpipe.h and
816 subpipe.c.
817 * po/POTFILES.in (lib/subpipe.c): Remove.
818 * src/files.c (compute_output_file_names): Update invocations
819 of output_file_name_check.
820 (output_file_name_check): In the case that the grammar file
821 would be overwritten, use complain instead of fatal, but replace
822 the output file name with /dev/null. Use the /dev/null solution
823 for the case of two conflicting output files as well because it
824 seems safer in case Bison one day tries to open both files at
825 the same time.
826 * src/files.h (output_file_name_check): Update prototype.
827 * src/output.c (output_skeleton): Use create_pipe_bidi and
828 wait_subprocess. Assert that scan_skel completely drains the
829 pipe.
830 * src/scan-skel.l (at_directive_perform): Update
831 output_file_name_check invocation.
832 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Check that the
833 grammar file actually isn't overwritten.
834 (Conflicting output files: -o foo.y): Update expected output.
835 * tests/skeletons.at (Fatal errors but M4 continues producing
836 output): New test group.
837
838 2010-02-04 Joel E. Denny <jdenny@ces.clemson.edu>
839
840 Update POTFILES.
841 * HACKING (Release Procedure): Add reminder about keeping
842 POTFILES files up-to-date.
843 * po/POTFILES.in (src/muscle-tab.c, src/scan-skel.l): Add.
844
845 2010-02-01 Joel E. Denny <jdenny@clemson.edu>
846
847 Code cleanup.
848 * tests/atlocal.in (abs_top_srcdir): Remove shell variable,
849 which is already defined in atconfig.
850
851 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
852
853 * cfg.mk (gnulib_dir): Assume gnulib is a subdirectory.
854
855 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
856
857 maint: automate PACKAGE_COPYRIGHT_YEAR update, and update it.
858 * HACKING (Release Procedure): Update notes on copyright years.
859 * Makefile.am (update-package-copyright-year): New target rule.
860 * build-aux/update-package-copyright-year: New file.
861 * cfg.mk (update-copyright): Add update-package-copyright-year
862 as a dependency.
863
864 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
865
866 * bootstrap: Import improvements from latest gnulib.
867
868 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
869
870 build: require Automake 1.11.1 to avoid a security flaw.
871 * HACKING (Release Procedure): Don't document Automake security
872 flaw here.
873 * configure.ac (AM_INIT_AUTOMAKE): Require 1.11.1, and explain
874 why here.
875
876 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
877
878 gnulib: update to latest.
879
880 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
881
882 ChangeLog (2006-09-15): add Odd Arild Olsen's role for push.c.
883
884 2010-01-15 Joel E. Denny <jdenny@clemson.edu>
885
886 Thank the developer of the initial push parser implementation.
887 This unfortunate oversight is several years old.
888 * THANKS (Odd Arild Olsen): Add.
889
890 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
891
892 Fix some comments concerning LR(0) versus LALR(1).
893
894 Stop equating LR(0) with nondeterminism and LALR(1) with
895 determinism. That is, if all states are consistent, then LR(0)
896 tables are deterministic. On the other hand, LALR(1) tables
897 might be nondeterministic before conflict resolution, and GLR
898 permits LALR(1) tables to remain nondeterministic.
899 * src/LR0.c, src/LR0.h: Here.
900 * src/lalr.c, src/lalr.h: Here.
901 * src/main.c (main): Here.
902 * src/state.c, src/state.h: Here.
903
904 * src/ielr.h (ielr): In preconditions, expect LR(0) not LALR(1)
905 parser tables.
906
907 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
908
909 maint: run "make update-copyright"
910
911 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
912
913 POSIX: complain if %prec's token was not defined.
914 * NEWS (2.5): Document.
915 * src/reader.c (grammar_rule_check): Convert warning to
916 complaint.
917 * tests/input.at (%prec's token must be defined): Update.
918
919 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
920
921 POSIX: warn if %prec's token was not defined.
922 Reported by Florian Krohm at
923 <http://lists.gnu.org/archive/html/bug-bison/2009-12/msg00005.html>.
924 * NEWS (2.4.2): Document.
925 * src/reader.c (grammar_rule_check): Implement.
926 (grammar_current_rule_prec_set): Add comments explaining that we
927 here assume a %prec identifier is a token, but we still manage
928 to support POSIX.
929 * tests/input.at (%prec's token must be defined): New test
930 group.
931
932 2009-12-31 Joel E. Denny <jdenny@clemson.edu>
933
934 * HACKING (Release Procedure): Recommend a secure automake.
935
936 2008-12-11 Akim Demaille <demaille@gostai.com>
937
938 Propagate i18n changes into glr.c.
939 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
940 building the error message format dynamically.
941 * data/lalr1.java: Formatting changes.
942
943 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
944
945 Port small part of master's 11707b2b so future ports are easier.
946 * data/lalr1.java (YYParser::yysyntax_error): Untabify.
947
948 2008-12-11 Akim Demaille <demaille@gostai.com>
949
950 Simplify the i18n of the error messages.
951 * data/lalr1.cc: Comment changes.
952
953 2008-11-11 Akim Demaille <demaille@gostai.com>
954
955 Prefer M4 to CPP.
956 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
957 YYERROR_VERBOSE.
958
959 2008-11-11 Akim Demaille <demaille@gostai.com>
960
961 Support i18n of the parse error messages.
962 * TODO (lalr1.cc/I18n): Remove.
963 * data/lalr1.cc (yysyntax_error_): Support the translation of the
964 error messages, as done in yacc.c.
965 Stay within the yy* pseudo namespace.
966
967 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
968
969 Port small part of master's 8901f32e so future ports are easier.
970 * data/lalr1.cc (yy::parser::yysyntax_error_): Always add second
971 argument, but name it in the function definition only when
972 verbose error messages are enabled and it'll thus be used.
973 (yy::parser::parse): Update use of yysyntax_error_.
974
975 2009-12-29 Joel E. Denny <jdenny@clemson.edu>
976
977 portability: `<' and `>' are not always defined on addresses.
978 Specifically, don't sort objects by their memory addresses when
979 they're not allocated in the same array or other object. Though
980 I haven't found a test case where that fails on my platform, C
981 says the behavior is undefined.
982 * src/AnnotationList.c (AnnotationList__insertInto): Remove
983 FIXME. Use new id field of InadequacyList nodes rather than
984 their memory addresses when sorting.
985 (AnnotationList__compute_from_inadequacies): Add
986 inadequacy_list_node_count argument to pass to
987 InadequacyList__new_conflict.
988 * src/AnnotationList.h
989 (AnnotationList__compute_from_inadequacies): Update prototype
990 and documentation for new argument.
991 * src/InadequacyList.c (InadequacyList__new_conflict): Add
992 node_count argument and use it to assign a unique ID.
993 * src/InadequacyList.h (InadequacyListNodeCount): New typedef.
994 (InadequacyList): Add id field.
995 (InadequacyList__new_conflict): Update prototype and
996 documentation for new argument.
997 * src/ielr.c (ielr_compute_annotation_lists): Update
998 AnnotationList__compute_from_inadequacies invocation.
999
1000 2009-12-20 Joel E. Denny <jdenny@clemson.edu>
1001
1002 Fix handling of yychar manipulation in user semantic actions.
1003 The problem was that yacc.c didn't always update the yychar
1004 translation afterwards. However, other skeletons appear to be
1005 fine. glr.c appears to already translate yychar before every
1006 use. lalr1.cc does not define yychar and does not document its
1007 replacement, yyla, for users. It does provide yyclearin, but
1008 that does not manipulate yyla and thus requires no translation
1009 update. In lalr1.java, yychar is out of scope during semantic
1010 actions.
1011 * NEWS (2.5): Document.
1012 * data/yacc.c (YYBACKUP): Don't bother translating yychar into
1013 yytoken here.
1014 (yyparse, yypush_parse): Instead, translate before every use of
1015 yytoken, and add comments explaining this approach.
1016 * tests/actions.at (Destroying lookahead assigned by semantic
1017 action): New test group checking that translation happens before
1018 lookahead destructor calls at parser return. Previously,
1019 incorrect destructors were called.
1020 * tests/conflicts.at (%error-verbose and consistent
1021 errors): New test group checking that translation happens at
1022 syntax error detection before the associated verbose error
1023 message and the associated lookahead destructor calls. While
1024 the destructor call is fixed by this patch, the verbose error
1025 message is currently incorrect due to another bug (see
1026 comments in test group), so this is an expected failure for now.
1027
1028 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
1029
1030 YYFAIL: warn about uses and remove from lalr1.java.
1031 * NEWS (2.5): Document.
1032 * data/lalr1.java (YYParser::YYFAIL): Rename to YYERRLAB,
1033 and make it private. Update all uses.
1034 * src/scan-code.l (SC_RULE_ACTION): Implement warning.
1035
1036 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
1037
1038 YYFAIL: deprecate.
1039 * NEWS (2.4.2): Document deprecation and the phase-out plan.
1040 * data/lalr1.java (YYParser::YYFAIL): Add comment about
1041 deprecation.
1042 * data/yacc.c (YYFAIL): Likewise, and suppress warnings about
1043 YYFAIL from GCC cpp's -Wunused-macros.
1044 * doc/bison.texinfo (Java Action Features): Remove YYFAIL
1045 documentation.
1046 (LocalWords): Remove YYFAIL.
1047
1048 2009-12-17 Joel E. Denny <jdenny@clemson.edu>
1049
1050 Code cleanup.
1051 * src/symtab.c, src/symtab.h (symbol_class_get_string): Remove
1052 function, which is no longer used.
1053
1054 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1055
1056 Add gcc's -Wundef to test suite and fix another warning from it.
1057 * NEWS (2.4.2): Update description of -Wundef fix.
1058 * configure.ac (WARN_CXXFLAGS_TEST): New substitution.
1059 (WARN_CFLAGS_TEST): New substitution.
1060 * data/glr.c: Avoid warning about __STRICT_ANSI__.
1061 * tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of
1062 WARN_CFLAGS.
1063 (NO_WERROR_CFLAGS): Likewise.
1064 (CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS.
1065
1066 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1067
1068 * data/yacc.c: Reformat m4 a little.
1069
1070 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
1071
1072 Document gcc -Wundef fix.
1073 * NEWS (2.4.2): Here.
1074 * THANKS (Jonathan Nieder): Add.
1075
1076 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
1077
1078 Simplify y.tab.c when location tracking is disabled.
1079 * data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
1080 tracking is not enabled. Instead, unconditionally define
1081 YY_LOCATION_PRINT as a no-op for backward compatibility.
1082
1083 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
1084
1085 Avoid warnings from gcc -Wundef y.tab.c.
1086 * data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are
1087 defined before using them.
1088 * data/lalr1.cc: Likewise.
1089 * data/yacc.c: Likewise.
1090
1091 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
1092
1093 autoconf: update to latest for fix of M4 detection.
1094 Reported by Eric Blake.
1095 * submodules/autoconf: Update.
1096
1097 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
1098
1099 portability: use -DGNULIB_POSIXCHECK.
1100 Reported by Eric Blake. See discussions at
1101 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00008.html>
1102 and
1103 <http://lists.gnu.org/archive/html/bug-gnulib/2009-10/msg00108.html>.
1104 * HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK.
1105 * bootstrap.conf (gnulib_modules): Add all the printf modules
1106 suggested by -DGNULIB_POSIXCHECK. Add realloc-posix as
1107 suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c.
1108 (excluded_files): Remove m4/printf-posix.m4.
1109 * tests/atlocal.in (LIBS): As for LDADD in src/local.mk, add
1110 lib/libbison.a so gnulib libraries can be linked.
1111
1112 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
1113
1114 Enable assertion output and --disable-assert for configure.
1115 * bootstrap.conf (gnulib_modules): Add assert module.
1116 * src/system.h (aver): Define as assert, and summarize the
1117 discussion on this issue.
1118
1119 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
1120
1121 Expand GLR acronym in summary of Bison.
1122 Based on discussion with Akim Demaille starting at
1123 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00087.html>.
1124 * doc/bison.texinfo (Introduction): Here.
1125 * src/getargs.c (usage): Here.
1126
1127 2009-10-03 Alex Rozenman <rozenman@gmail.com>
1128
1129 Document named references.
1130 * doc/bison.texinfo (Actions): Add new example and xref to
1131 Using Named References node.
1132 (Using Named References): New node.
1133
1134 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
1135
1136 cleanup.
1137 * src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead
1138 of char*.
1139 (Sbitset__isEmpty): Use Sbitset instead of char*.
1140 * src/Sbitset.h (Sbitset): Make it a pointer to unsigned char
1141 instead of char. This helps to avoid casting errors.
1142 (Sbitset__or): Use Sbitset instead of char*.
1143
1144 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
1145
1146 portability: don't assume 8-bit bytes.
1147 That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff.
1148 * src/Sbitset.h (Sbitset__nbytes): Here.
1149 (Sbitset__byteAddress): Here.
1150 (Sbitset__bit_mask): Here.
1151 (Sbitset__last_byte_mask): Here.
1152 (Sbitset__ones): Here.
1153 (SBITSET__FOR_EACH): Here.
1154
1155 2009-10-11 Joel E. Denny <jdenny@clemson.edu>
1156
1157 portability: use va_start and va_end in the same function.
1158 * src/complain.c (error_message): Move va_end from here...
1159 (ERROR_MESSAGE): ... to here.
1160
1161 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
1162
1163 * data/bison.m4: Update comments for rename to muscle-tab.h.
1164
1165 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
1166
1167 Rename muscle_tab.* to muscle-tab.* for consistency with master.
1168 * src/Makefile.am (bison_SOURCES): Update.
1169 * src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
1170 src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
1171 src/tables.c: Update include.
1172 * src/muscle_tab.c, src/muscle_tab.h: Rename to...
1173 * src/muscle-tab.c, src/muscle-tab.h: ... these and update
1174 include.
1175
1176 2009-10-07 Joel E. Denny <jdenny@clemson.edu>
1177
1178 Minor code cleanup.
1179 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
1180 replace all uses with UNIQSTR_CONCAT.
1181 * src/uniqstr.c (uniqstr_vsprintf): New function.
1182 * src/uniqstr.h (uniqstr_vsprintf): Add prototype.
1183 (UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
1184 macros.
1185
1186 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
1187
1188 Minor code cleanup.
1189 * src/parse-gram.y: Clean up sorting of declarations.
1190 Use types to simplify %printer declarations where possible.
1191 Provide %printer for BRACKETED_ID and symbol.prec.
1192 * src/symtab.c: Whitespace change.
1193
1194 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
1195
1196 tests: skip tests of file names that platform does not support.
1197 Reported by Michael Raskin at
1198 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
1199 * THANKS (Michael Raskin): Add.
1200 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used
1201 to fail at least for file names containing ":" or "\".
1202
1203 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
1204
1205 yysyntax_error: avoid duplicate lookahead collection.
1206 Except when memory reallocation is required, this change
1207 eliminates the need to invoke yysyntax_error twice and thus to
1208 repeat the collection of lookaheads. It also prepares for
1209 future extensions that will make those repetitions more
1210 expensive and that will require additional memory management in
1211 yysyntax_error. Finally, it fixes an obscure bug already
1212 exercised in the test suite.
1213 * data/yacc.c (yysyntax_error): Add arguments for message
1214 buffer variables stored in the parser. Instead of size, return
1215 status similar to yyparse status but indicating success of
1216 message creation. Other than the actual reallocation of the
1217 message buffer, import and clean up memory management code
1218 from...
1219 (yyparse, yypush_parse): ... here.
1220 * tests/regression.at (%error-verbose overflow): No longer an
1221 expected failure.
1222
1223 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
1224
1225 yysyntax_error: test memory management more.
1226 * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
1227 * tests/regression.at (%error-verbose and YYSTACK_USE_ALLOCA):
1228 New test group.
1229 (%error-verbose overflow): New test group that reveals an
1230 obscure bug. Expected fail for now.
1231
1232 2008-12-11 Akim Demaille <demaille@gostai.com>
1233
1234 Pass the token type to yysyntax_error.
1235 * data/yacc.c (yysyntax_error): Take the transated token instead
1236 of the raw number.
1237 Adjust callers.
1238
1239 2008-12-11 Akim Demaille <demaille@gostai.com>
1240
1241 Simplify the i18n of the error messages.
1242 * data/yacc.c (yysyntax_error): Rewrite, using a switch instead
1243 of building dynamically the format string.
1244
1245 2009-10-03 Joel E. Denny <jdenny@clemson.edu>
1246
1247 Remove dead code.
1248 * src/symtab.c (symbol_pack): Here because every symbol's number
1249 is always defined by this time.
1250
1251 2009-10-03 Alex Rozenman <rozenman@gmail.com>
1252
1253 Add additional space after periods in NEWS.
1254 * NEWS (2.5): here.
1255
1256 2009-09-29 Joel E. Denny <jdenny@clemson.edu>
1257
1258 Use the correct conversion specifier for size_t.
1259 Reported by Jim Meyering.
1260 * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
1261 because Sbitset__Index is size_t.
1262 * src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
1263
1264 2009-09-27 Joel E. Denny <jdenny@clemson.edu>
1265
1266 tests: don't abuse AT_BISON_CHECK.
1267 * tests/regression.at (parse-gram.y: LALR = IELR): Move
1268 additional shell commands outside of AT_BISON_CHECK.
1269
1270 2009-09-26 Joel E. Denny <jdenny@clemson.edu>
1271
1272 tests: check that parse-gram.y's IELR and LALR are identical.
1273 * tests/atlocal.in (abs_top_srcdir): New shell variable.
1274 * tests/regression.at (parse-gram.y: LALR = IELR): New test
1275 group.
1276
1277 2009-09-16 Akim Demaille <demaille@gostai.com>
1278
1279 doc: comment changes.
1280 * doc/bison.texinfo: Comment changes.
1281
1282 2009-09-16 Akim Demaille <demaille@gostai.com>
1283
1284 doc: spell checking.
1285 * doc/bison.texinfo: here.
1286
1287 2009-09-19 Alex Rozenman <rozenman@gmail.com>
1288
1289 Keep sub-messages aligned. Fix strings for translation.
1290 * src/location.h (location_print): Add return value.
1291 * src/location.c (location_print): Return number of printed
1292 characters.
1293 * src/complain.h (complain_at_indent, warn_at_indent): Prototype
1294 new functions.
1295 * src/complain.cpp (indent_ptr): New static variable.
1296 (error_message, complain_at_indent, warn_at_indent): Implement
1297 the alignment mechanism.
1298 * src/scan-code.l (parse_ref, show_sub_messages): Fix strings
1299 for translations. Use new alignment mechanism.
1300 * tests/named-ref.at: Adjust test-cases.
1301 * NEWS (2.5): Add an announcement about named references.
1302
1303 2009-09-13 Joel E. Denny <jdenny@clemson.edu>
1304
1305 tests: clean up push.at test group titles.
1306 * tests/push.at: Remove "Push Parsing: " from test group titles
1307 because these are already under the banner "Push Parsing Tests".
1308
1309 2009-09-12 Alex Rozenman <rozenman@gmail.com>
1310
1311 Provide an additional sub-message for clarity.
1312 Add "symbol not found in production" error message when
1313 an "invalid reference" is detected in named references
1314 resolution.
1315 * src/scan-code.l: Update "invalid reference" case.
1316 * tests/named-ref.at: Adjust test-cases.
1317
1318 2009-09-10 Joel E. Denny <jdenny@clemson.edu>
1319
1320 Clean up yacc.c a little.
1321 * data/yacc.c: Clean up M4 for readability, and make output
1322 whitespace more consistent. For the main parse function
1323 comment, instead of saying "yyparse or yypush_parse", say either
1324 "yyparse" or "yypush_parse" depending on which it actually is.
1325
1326 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1327
1328 Complain about unused %define variables and %code qualifiers.
1329 * NEWS (2.5): Document.
1330 * data/bison.m4 (b4_check_user_names): Complain instead of warn.
1331 * doc/bison.texinfo (Decl Summary): Document complaint, and
1332 improve %define documentation a little otherwise.
1333 * tests/input.at (Reject unused %code qualifiers): Update.
1334 (%define errors): Update.
1335 (%define, --define, --force-define): Update.
1336 (%define backward compatibility): Update.
1337 (Unused %define api.pure): Update.
1338 * tests/push.at (Push Parsing: Unsupported Skeletons): Update.
1339
1340 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1341
1342 Use aver not assert.
1343 * src/output.c: Don't include assert.h.
1344 (output_skeleton): Use aver not assert.
1345 * src/system.h (aver): In documentation of why, add links to
1346 Paul Eggert's explanations in the mailing lists.
1347
1348 2009-09-05 Alex Rozenman <rozenman@gmail.com>
1349
1350 Use "Unresolved reference" error message when no symbols were found
1351 in a symbolic reference resolution. Remove .expr and -expr from
1352 the shown reference when the reference is unresolved.
1353 * src/scan-code.l: Change the error message, adjust location columns,
1354 rename variable "exact_mode" to "explicit_bracketing".
1355 * tests/named-ref.at: Adjust existing tests and add a new one.
1356
1357 2009-09-03 Akim Demaille <demaille@gostai.com>
1358
1359 * NEWS (2.4.2): Add "Internationalization" item.
1360
1361 2009-09-03 Akim Demaille <demaille@gostai.com>
1362
1363 bootstrap: fix/improve find_tool.
1364 * bootstrap (find_tool): Improve error messages.
1365 Fix typo about find_tool_names.
1366
1367 2009-08-29 Joel E. Denny <jdenny@clemson.edu>
1368
1369 Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
1370 See
1371 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
1372 * src/scan-code.h (code_props_rule_action_init): Rename
1373 named_ref arg to name so it doesn't shadow named_ref type. This
1374 makes it consistent with the function definition in scan-code.l
1375 anyway.
1376
1377 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1378
1379 %define: accept unquoted values.
1380 * NEWS (2.5): Group all %define changes together, and document
1381 this one. Remove quotes in IELR and canonical LR entry.
1382 * doc/bison.texinfo: Remove quotes in most examples throughout.
1383 (Decl Summary): Update %define documentation.
1384 (Table of Symbols): Likewise.
1385 * src/ielr.c (LrType): Update documentation.
1386 * src/parse-gram.y (content.opt): Add production for ID.
1387 * tests/calc.at: Remove quotes in most tests.
1388 * tests/existing.at: Likewise.
1389 * tests/input.at: Likewise.
1390 * tests/local.at: Likewise.
1391 * tests/push.at: Likewise.
1392 * tests/reduce.at: Likewise.
1393 * tests/torture.at: Likewise.
1394
1395 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1396
1397 %define lr.type: make values lowercase IDs.
1398 That is, "LALR" => "lalr", "IELR" => "ielr", and
1399 "canonical LR" => "canonical-lr".
1400 * NEWS (2.5): Update documentation.
1401 * doc/bison.texinfo (Decl Summary): Likewise.
1402 * src/ielr.c (ielr): Use new values.
1403 * src/ielr.h (ielr): Update documentation.
1404 * src/reader.c (prepare_percent_define_front_end_variables): Use
1405 and validate new values.
1406 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
1407 grammars.
1408 * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
1409
1410 2009-08-27 Eric Blake <ebb9@byu.net>
1411
1412 scan-gram: avoid portability trap with ctype usage.
1413 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
1414 Avoid compiler warning.
1415
1416 2009-08-27 Joel E. Denny <jdenny@clemson.edu>
1417
1418 tests: use perl for printing special sequences to files.
1419 And skip tests if perl is not available. This is better than
1420 playing tricks with shell portability. Suggested by Akim
1421 Demaille.
1422 * tests/input.at (Bad character literals): Use it here for
1423 omitting final newlines.
1424 (Bad escapes in literals): Use it here for special characters.
1425
1426 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
1427
1428 tests: show a use of %define lr.default-reductions "consistent"
1429 * tests/conflicts.at (%nonassoc and eof): Extend to test that it
1430 prevents the omission of expected tokens for %error-verbose.
1431
1432 2009-08-26 Akim Demaille <demaille@gostai.com>
1433
1434 tests: portability fix.
1435 * tests/input.at (Bad escapes in literals): Don't expect "echo
1436 '\0'" to output \ then 0.
1437
1438 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
1439
1440 Actually handle the yytable zero value correctly this time.
1441 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Don't
1442 mention zero values in the YYTABLE comments.
1443 * data/glr.c (yytable_value_is_error): Don't check for zero
1444 value.
1445 * data/lalr1.cc (yy_table_value_is_error_): Likewise.
1446 * data/yacc.c (yytable_value_is_error): Likewise.
1447 * data/lalr1.java (yy_table_value_is_error_): Likewise.
1448 (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
1449 * src/tables.h: In header comments, explain why it's useless to
1450 check for a zero value in yytable.
1451
1452 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1453
1454 More fixes related to last two patches.
1455 * data/c.m4 (b4_table_value_equals): Comment that YYID must be
1456 defined.
1457 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Fix
1458 yytable comments: zero indicates syntax error not default
1459 action.
1460 * data/glr.c (yyis_pact_ninf): Rename to...
1461 (yypact_value_is_default): ... this.
1462 (yyisDefaultedState): Update for rename.
1463 (yyis_table_ninf): Rename to...
1464 (yytable_value_is_error): ... this, and check for value zero
1465 besides just YYTABLE_NINF.
1466 (yygetLRActions): Check for default value from yypact. It
1467 appears that this check is always performed before this function
1468 is invoked, and so adding the check here is probably redundant.
1469 However, the code may evolve after this subtlety is forgotten.
1470 Also, update for rename to yytable_value_is_error. Because that
1471 macro now checks for zero, a different but equivalent branch of
1472 the if-then-else here is evaluated.
1473 (yyreportSyntaxError): Update for rename to
1474 yytable_value_is_error. The zero condition was mishandled
1475 before.
1476 (yyrecoverSyntaxError): Update for renames. No behavioral
1477 changes.
1478 * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
1479 New function.
1480 (yy_table_value_is_error_): New function.
1481 (parse): Use new functions where possible. No behavioral
1482 changes.
1483 (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
1484 The zero condition was mishandled before.
1485 * data/yacc.c (yyis_pact_ninf): Rename to...
1486 (yypact_value_is_default): ... this.
1487 (yyis_table_ninf): Rename to...
1488 (yytable_value_is_error): ... this, and check for value zero
1489 besides just YYTABLE_NINF.
1490 (yysyntax_error): Update for rename to yytable_value_is_error.
1491 The zero condition was mishandled before.
1492 (yyparse): Update for renames. No behavioral changes.
1493 * src/tables.h: Improve comments about yypact, yytable, etc.
1494 more. Most importantly, say yytable value of zero means syntax
1495 error not default action.
1496
1497 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1498
1499 Fix %error-verbose for conflicts resolved by %nonassoc.
1500 * NEWS (2.5): Document.
1501 * data/glr.c (yyreportSyntaxError): Fix this by checking
1502 yyis_table_ninf.
1503 * data/yacc.c (yysyntax_error): Likewise.
1504 * data/lalr1.cc (yysyntax_error_): Fix this by checking
1505 yytable_ninf_.
1506 * data/lalr1.java (yysyntax_error): Likewise.
1507 * tests/conflicts.at (%nonassoc and eof): Update expected output
1508 and remove FIXME.
1509
1510 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1511
1512 Some code and documentation improvements.
1513 * data/c.m4 (b4_table_value_equals): New macro to capture
1514 some repeated code.
1515 * data/glr.c (yyis_pact_ninf): Use it here.
1516 (yyis_table_ninf): Likewise.
1517 (yyreportSyntaxError): Improve internal comments.
1518 * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
1519 Use it everywhere possible.
1520 (yyis_table_ninf): Likewise.
1521 (yysyntax_error): Improve internal comments.
1522 * data/lalr1.cc (yysyntax_error_): Likewise.
1523 * data/lalr1.java (yysyntax_error): Likewise.
1524 * src/tables.h: Improve comments about yypact, yytable, etc.
1525
1526 2009-08-21 Joel E. Denny <jdenny@clemson.edu>
1527
1528 Use locale when quoting.
1529 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
1530 quote rather than implementing quoting here.
1531
1532 2009-08-20 Eric Blake <ebb9@byu.net>
1533
1534 Make previous patch more robust.
1535 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
1536 argmatch.h.
1537 (output_skeleton): Use it.
1538 Suggested by Akim Demaille.
1539
1540 Import latest m4/m4.m4.
1541 * submodules/autoconf: Update to autoconf 2.64.
1542 * configure.ac (M4_GNU_OPTION): New define.
1543 * src/output.c (output_skeleton): Use it to resolve FIXME.
1544 * NEWS: Mention this.
1545
1546 2009-08-19 Joel E. Denny <jdenny@clemson.edu>
1547
1548 Fix complaints about escape sequences.
1549 Discussed starting at
1550 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
1551 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
1552 For a \0 and similar escape sequences meaning the null
1553 character, report an invalid escape sequence instead of an
1554 invalid null character because the latter does not actually
1555 appear in the user's input.
1556 In all escape sequence complaints, don't escape the initial
1557 backslash, and don't quote when the sequence appears at the end
1558 of the complaint line unless there's whitespace that quotearg
1559 won't escape.
1560 Consistently say "invalid" not "unrecognized".
1561 Consistently prefer "empty character literal" over "extra
1562 characters in character literal" warning for invalid escape
1563 sequences; that is, consistently discard those sequences.
1564 * tests/input.at (Bad escapes in literals): New.
1565
1566 2009-08-19 Akim Demaille <demaille@gostai.com>
1567
1568 doc: fixes.
1569 * doc/bison.texinfo: Fix minor Texinfo errors.
1570
1571 2009-08-19 Akim Demaille <demaille@gostai.com>
1572
1573 doc: %initial-action to initialize yylloc.
1574 Reported by Bill Allombert.
1575 * doc/bison.texinfo: Set fill-column to 76.
1576 (Location Type): Document the use of %initial-action to initialize
1577 yylloc.
1578
1579 2009-08-18 Joel E. Denny <jdenny@clemson.edu>
1580
1581 maint: update for gnulib's recent update-copyright changes
1582 * gnulib: Update.
1583 * .x-update-copyright (COPYING): Add as it's no longer implied
1584 when .x-update-copyright is present.
1585 * cfg.mk (update-copyright-local): Remove, now ignored.
1586 (update-copyright): Declare update-b4-copyright as a dependency.
1587
1588 2009-08-17 Akim Demaille <demaille@gostai.com>
1589
1590 build: require gettext 0.17.
1591
1592 Suggested by Bruno Haible.
1593 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
1594 * configure.ac: require gettext 0.17 to ensure compatibility with
1595 gnulib.
1596
1597 2009-08-17 Akim Demaille <demaille@gostai.com>
1598
1599 build: lower gettext requirements.
1600
1601 Bison was uselessly requiring the formatstring macros from
1602 gettext, which resulted in mo files not being installed on systems
1603 that perfectly supported Bison mo files. Lower the requirement.
1604 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
1605
1606 * configure.ac: Require need-ngettext instead of
1607 need-formatstring-macros.
1608 Reported by Martin Jabocs.
1609 Suggested by Bruno Haible.
1610 * INSTALL: Restructure.
1611 (Internationalization): New.
1612
1613 2009-08-14 Joel E. Denny <jdenny@clemson.edu>
1614
1615 maint: fix use of copyright year intervals.
1616 * gnulib: Update.
1617 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
1618 as now recommended in gnulib/NEWS.
1619 * build-aux/update-b4-copyright: Fix.
1620 * cfg.mk (update-copyright-env): Configure update-copyright.
1621
1622 2009-08-13 Joel E. Denny <jdenny@clemson.edu>
1623
1624 Make it easier to write deterministic tests.
1625 Continues Akim's work from his 2009-06-10 commits.
1626 * src/reader.c (check_and_convert_grammar): Don't add any
1627 symbols after the first symbols_do invocation.
1628 * src/symtab.c (symbols_sorted): New static global.
1629 (user_token_number_redeclaration): Update comments.
1630 (symbol_from_uniqstr): If a new symbol is being created, assert
1631 that symbols_sorted hasn't been allocated yet.
1632 (symbols_free): Free symbols_sorted.
1633 (symbols_cmp, symbols_cmp_qsort): New functions.
1634 (symbols_do): Sort symbol_table into symbols_sorted on first
1635 invocation.
1636 * tests/input.at (Numbered tokens): Recombine tests now that the
1637 output should be deterministic across multiple numbers.
1638
1639 2009-08-12 Akim Demaille <demaille@gostai.com>
1640
1641 distcheck: fix.
1642
1643 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
1644
1645 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
1646
1647 * tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.
1648
1649 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
1650
1651 Miscellaneous code readability improvements.
1652
1653 * src/reader.c (reader): Move %define front-end variable
1654 defaults and checking into...
1655 (prepare_percent_define_front_end_variables): ... this new
1656 function.
1657
1658 * src/scan-gram.l (INITIAL): For consistency with string
1659 literals, don't store open quote on character literal. It's
1660 discarded before returning anyway.
1661 (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
1662 Make length test more readable, and make the character stored
1663 for an empty literal more obvious while consistent with the
1664 previous behavior.
1665
1666 * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
1667 USER_NUMBER_HAS_STRING_ALIAS throughout.
1668 * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
1669 that is repeated in symtab.h. Improve argument names to make it
1670 clear which side of the symbol-string alias pair is which.
1671 (symbol_check_alias_consistency): Improve local variable names
1672 for the same purpose.
1673 * src/symtab.h (struct symbol): Make comments about aliases
1674 clearer.
1675 (symbol_make_alias): Improve comments and argument name.
1676 * src/output.c (token_definitions_output): Update for rename to
1677 USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
1678
1679 2009-08-08 Alex Rozenman <rozenman@gmail.com>
1680
1681 Convert "misleading reference" messages to warnings.
1682 * src/scan-code.l: New function 'show_sub_messages', more
1683 factoring.
1684 * tests/named-ref.at: Adjust tests.
1685
1686 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
1687
1688 maint: run "make update-copyright"
1689
1690 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
1691
1692 maint: make update-b4-copyright easier to use
1693 * build-aux/update-b4-copyright: In warnings, report line
1694 numbers rather than character positions.
1695 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
1696 that update-copyright runs it.
1697 * gnulib: Update.
1698
1699 2009-08-05 Joel E. Denny <jdenny@clemson.edu>
1700
1701 maint: clean up update-b4-copyright code
1702 * build-aux/update-b4-copyright: Do not accept 2-digit
1703 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
1704 Don't accept a `[' in a b4_copyright argument.
1705 Format code more consistently.
1706 Don't assume b4*copyright never occurs.
1707
1708 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1709
1710 maint: automate b4_copyright updates.
1711 * Makefile.am (update-b4-copyright): New target rule.
1712 * build-aux/Makefile.am (EXTRA_DIST): Add update-b4-copyright.
1713 * build-aux/update-b4-copyright: New.
1714 * data/yacc.c: Remove stray characters around b4_copyright
1715 invocations.
1716
1717 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1718
1719 maint: automate annual package-wide copyright-year update.
1720 * .x-update-copyright: New.
1721 * Makefile.am (EXTRA_DIST): Remove maint.mk.
1722 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
1723 update-copyright. Remove gnumakefile, which is implied by
1724 maintainer-makefile.
1725 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
1726 * gnulib: Update.
1727 * maint.mk: Remove, now copied from gnulib.
1728 * examples/extexi: Add missing "(C)" in copyright statement so
1729 update-copyright can recognize it.
1730 * src/LR0.h: Likewise.
1731 * src/print.h: Likewise.
1732 * src/print_graph.h: Likewise.
1733 * src/gram.c: Add missing comma in copyright statement.
1734 * src/gram.h: Likewise.
1735
1736 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1737
1738 Fix "make distcheck".
1739 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
1740 of just calc.stamp.
1741
1742 2009-08-01 Joel E. Denny <jdenny@clemson.edu>
1743
1744 Pacify "gcc -Wunused" for the input function from Flex.
1745 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
1746 and later.
1747 * src/scan-code.l: Add "%option noinput", which I cannot find in
1748 the Flex manual, but which Flex has supported since at least as
1749 far back as 2.5.4. However, if any of our developers still use
1750 Flex 2.5.4, they'll need to stop configuring with
1751 --enable-gcc-warnings because "%option noinput" didn't work
1752 correctly until Flex 2.5.6.
1753 * src/scan-gram.l: Likewise.
1754 * src/scan-skel.l: Likewise.
1755
1756 2009-07-31 Alex Rozenman <rozenman@gmail.com>
1757
1758 Fix --enable-gcc-warnings problems.
1759 * src/reader.c: Adjust variable names.
1760 * src/scan-code.l: Fix prototypes and adjust names.
1761 * src/named-ref.c: Remove redundant "if".
1762
1763 2009-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
1764
1765 Fix a --enable-gcc-warnings problem.
1766 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
1767 variable.
1768
1769 2009-07-24 Alex Rozenman <rozenman@gmail.com>
1770
1771 Fix some memory leaks.
1772 * src/named-ref.c: Add a pointer check (named_ref_free).
1773 * src/scan-code.l: New function (variant_table_free). Called in
1774 code_scanner_free.
1775 * src/symlist.c: Call to named_ref_free (symbol_list_free).
1776
1777 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
1778
1779 Warn about character literals not of length one.
1780 * NEWS (2.5): Document.
1781 * src/scan-gram.l (INITIAL): Remove comment that we don't check
1782 the length.
1783 (SC_ESCAPED_CHARACTER): Warn if length is wrong.
1784 * tests/input.at (Bad character literals): New test group.
1785
1786 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
1787
1788 * src/lalr.c (state_lookahead_tokens_count): Correct comment.
1789
1790 2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
1791
1792 Some M4 cleanup in the testsuite.
1793 Suggested by Eric Blake at
1794 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
1795 * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
1796 complicate the code by distinguishing between a missing value
1797 and an empty string value for an optional argument. This fix is
1798 allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
1799 * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
1800 (AT_TEST_TABLES_AND_PARSE): ... this now that the special
1801 arguments are not needed because of the following changes.
1802 Fix stale comments.
1803 Bison developers should use GNU M4 and should not use
1804 POSIXLY_CORRECT when building the test suite, so do not
1805 complicate the code by avoiding $10 and above.
1806 Do not quote an empty string value for an optional argument, and
1807 do not distinguish between a missing value and an empty string
1808 value.
1809
1810 2009-07-21 Joel E. Denny <jdenny@ces.clemson.edu>
1811
1812 * m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.
1813
1814 2009-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
1815
1816 Revert unnecessary column realignment in --help output.
1817 Reported by Akim Demaille at
1818 <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
1819 * src/getargs.c (usage): Here.
1820
1821 2009-07-04 Alex Rozenman <rozenman@gmail.com>
1822
1823 Alphabetical order in src/Makefile.am.
1824 * src/Makefile.am: Adjust.
1825
1826 2009-07-04 Alex Rozenman <rozenman@gmail.com>
1827
1828 Style changes and factoring.
1829 * src/named-ref.h: Add comments.
1830 * src/parse-gram.y: Readability and style changes.
1831 * src/reader.c: Factoring: assign_named_ref function.
1832 * src/scan-code.l: Factoring and style changes. Rename
1833 parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
1834 Use "unsigned" type for variant index. Improve readablity.
1835 * src/scan-gram.l: Change error messages and add comments.
1836 * src/symlist.h: symbol_list_null: New function decl.
1837 * src/symlist.c: symbol_list_null: Implement here.
1838 * tests/named-refs.at: Adjust for new error messages.
1839
1840 2009-06-29 Eric Blake <ebb9@byu.net>
1841
1842 scan-code: avoid compiler warnings
1843 * src/scan-code.l (parse_named_ref): Use correct specifiers.
1844
1845 2009-06-29 Akim Demaille <demaille@gostai.com>
1846
1847 build: avoid concurrent extraction of calc++.
1848 * examples/calc++/Makefile.am (calc.stamp): New.
1849 Depend on it to create the sources of calc++ so that concurrent
1850 builds don't launch several "extexi" in parallel.
1851 Not only this is inefficient, this also builds incorrect sources
1852 with several extractions mixed together.
1853
1854 2009-06-27 Alex Rozenman <rozenman@gmail.com>
1855
1856 Implement support for named symbol references.
1857 * src/parse-gram.y: Add new syntax (named_ref.opt).
1858 * src/reader.c: Store named refs in symbol lists.
1859 * src/reader.h: New argument for symbol_append and
1860 action_append functions.
1861 * src/scan-code.h: Add new field (named_ref) into
1862 code_props data structure. Keeps named ref of midrule
1863 actions.
1864 * src/scan-code.l: Support for named refs in semantic
1865 action code. New function 'parse_named_ref'.
1866 * src/scan-gram.l: Support bracketed id.
1867 * src/symlist.c: Store named refs in symbol lists.
1868 * src/symlist.h: New field in symbol list: named_ref.
1869 * src/named-ref.h: New file, a struct for named_ref.
1870 * src/named-ref.cp: New file, named_ref_new function.
1871 * src/local.mk: Add two new files.
1872 * tests/testsuite.at: Include new test group:
1873 * tests/named-refs.at: this new file.
1874
1875 2009-06-25 Akim Demaille <demaille@gostai.com>
1876
1877 hash: check insertion for memory exhaustion.
1878 * src/uniqstr.c (uniqstr_new): New.
1879
1880 2009-06-11 Akim Demaille <demaille@gostai.com>
1881
1882 style changes.
1883 * data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
1884 * src/print-xml.c: Style changes.
1885 * tests/conflicts.at: Comment changes.
1886
1887 2009-06-11 Akim Demaille <demaille@gostai.com>
1888
1889 xml: beware of user strings used to give a %prec to rules.
1890 * tests/conflicts.at (%prec with user strings): New.
1891 * src/gram.c (grammar_rules_print_xml): Escape the precedence for
1892 XML output.
1893
1894 2009-06-11 Akim Demaille <demaille@gostai.com>
1895
1896 hash: check insertion for memory exhaustion.
1897 * src/muscle-tab.c (muscle_insert, muscle_grow)
1898 * src/state.c (state_hash_insert): Check the return value of
1899 hash_insert.
1900
1901 2009-06-10 Akim Demaille <demaille@gostai.com>
1902
1903 deterministic test suite.
1904 Some consistency checks on symbols are performed after all the
1905 symbols were read, by an iteration over the symbol table. This
1906 traversal is nondeterministic, which can be a problem for test
1907 cases.
1908 Avoid this.
1909 Addresses another form of nondeterminism reported by Joel E. Denny.
1910 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1911
1912 * tests/input.at (Numbered tokens): Split the hexadecimal/decimal
1913 test in two.
1914 Use different file names for the three tests to make the
1915 maintenance easier.
1916
1917 2009-06-10 Akim Demaille <demaille@gostai.com>
1918
1919 deterministic user-token-number redeclaration errors.
1920 Address nondeterminism reported by Joel E. Denny.
1921 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1922
1923 * src/uniqstr.h: Comment changes.
1924 * src/location.h (boundary_cmp, location_cmp): New.
1925 * src/symtab.c (user_token_number_redeclaration): New.
1926 (symbol_translation): Use it.
1927 * tests/input.at (Numbered tokens): Adjust the expected output.
1928
1929 2009-05-25 Akim Demaille <demaille@gostai.com>
1930
1931 gnulib: update.
1932 * gnulib: Update to latest.
1933 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
1934 * m4/.gitignore: Regen.
1935 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
1936 Call xalloc_die on hash_insert failures.
1937 Requested by the new __warn_unused_result__ attribute of
1938 hash_insert.
1939
1940 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1941
1942 Convert multiple variable definition warnings to complaints.
1943 * NEWS (2.5): Add a new entry for that change.
1944 * doc/bison.texinfo (Decl Summary): Update %define entry.
1945 (Bison Options): Update -D/--define/-F/--force-define entry.
1946 * src/muscle_tab.c (muscle_percent_define_insert): Implement.
1947 * src/muscle_tab.h (muscle_percent_define_insert): Update
1948 comments.
1949 * tests/input.at (`%define errors'): Update.
1950 (`%define, --define, --force-define'): Update.
1951
1952 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1953
1954 -F/--force-define and relative %define/-D/--define priorities.
1955 * NEWS (2.5): Add documentation to -D/--define entry.
1956 * build-aux/cross-options.pl: Hard-code association of
1957 --force-define with %define.
1958 * doc/bison.texinfo (Decl Summary): In %define entry,
1959 cross-reference command-line options.
1960 (Bison Options): Add documentation to -D/--define entry.
1961 (Option Cross Key): Widen column for --force-define row.
1962 * src/getargs.c (usage): Document -F/--force-define. Realign
1963 options in output.
1964 (short_options, long_options, getargs): Parse -F/--force-define,
1965 and update muscle_percent_define_insert invocation.
1966 * src/muscle_tab.h (muscle_percent_define_how): New enum type.
1967 (muscle_percent_define_insert): Add argument with that type.
1968 * src/muscle_tab.c (muscle_percent_define_insert): Implement
1969 -F/--force-define behavior and priorities.
1970 * src/parse-gram.y (prologue_declaration): Update
1971 muscle_percent_define_insert invocations.
1972 * tests/input.at (`%define, --define'): Rename to...
1973 (`%define, --define, --force-define'): ... this and extend.
1974
1975 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1976
1977 Update some comments to make sense for -D.
1978 * data/bison.m4 (b4_check_user_names): In header comments, say
1979 "user occurrence" instead of "grammar occurrence".
1980 * src/muscle_tab.h (muscle_percent_define_insert): Likewise.
1981 (muscle_percent_code_grow): Likewise just for consistency.
1982
1983 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1984
1985 * data/c++.m4: Update copyright year.
1986
1987 2009-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
1988
1989 * data/c++.m4 (b4_namespace_close): Simplify slightly.
1990
1991 2009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
1992
1993 Handle a trailing `:' in a user-supplied C++ namespace better.
1994 * data/c++.m4 (b4_namespace_close): Don't let it be printed
1995 among the closing braces here. This fix might make the
1996 generated code easier to debug, but otherwise it should be
1997 insignificant because a trailing `:' is a C++ error already.
1998
1999 2009-05-19 Akim Demaille <demaille@gostai.com>
2000
2001 remove useless variable.
2002 * src/getargs.c (skeleton_arg): Remove now useless variable.
2003 Should help the compiler see that this printf-like call is sane.
2004
2005 2009-05-11 Akim Demaille <demaille@gostai.com>
2006
2007 doc: use C++ headers.
2008 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
2009 headers.
2010
2011 2009-05-05 Akim Demaille <demaille@gostai.com>
2012
2013 fix hexadecimal token number support.
2014 * src/scan-gram.l: Catch incorrect ids after hexadecimal numbers.
2015
2016 2009-05-05 Akim Demaille <demaille@gostai.com>
2017
2018 tests: check token numbers.
2019 * tests/input.at (Numbered tokens): New.
2020
2021 2009-05-04 Akim Demaille <demaille@gostai.com>
2022
2023 bison: catch bad symbol names.
2024 * src/scan-gram.l({int}{id}): Report as an invalid identifier.
2025 * tests/input.at: Adjust.
2026
2027 2009-05-04 Akim Demaille <demaille@gostai.com>
2028
2029 space changes.
2030 * src/scan-gram.l: Untabify to be robust to zealous editors.
2031
2032 2009-05-04 Akim Demaille <demaille@gostai.com>
2033
2034 identifiers: dashes are letters.
2035 Dashes can now start identifiers (symbols and directives).
2036
2037 * src/scan-gram.l ({letter}): Add dash.
2038 ({id}): Remove it.
2039 * tests/input.at (Symbols): Adjust.
2040 Remove stray comment.
2041 * tests/regression.at (Invalid inputs): Adjust error message.
2042 * doc/bison.texinfo (Symbols): Update.
2043
2044 2009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
2045
2046 Declare %code to be a permanent feature.
2047 * NEWS (2.4.2): Here.
2048 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
2049 experimental.
2050 (Decl Summary): Likewise.
2051
2052 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2053
2054 Convert underscores to dashes in some %define variable names.
2055 For now, just api.push-pull and lr.keep-unreachable-states.
2056 Maintain old names for backward compatibility.
2057 * NEWS (2.5): Document.
2058 * data/c.m4 (b4_identification): Update comment.
2059 * data/yacc.c: Update access.
2060 * doc/bison.texinfo: Update.
2061 * etc/bench.pl.in (bench_grammar): Update use.
2062 * src/files.c (tr): Move to...
2063 * src/getargs.c, src/getargs.h (tr): ... here because I can't
2064 think of a better place to expose it. My logic is that, for all
2065 uses of tr so far, command-line arguments can be involved, and
2066 getargs.h is already included.
2067 * src/main.c (main): Update access.
2068 * src/muscle_tab.c (muscle_percent_define_insert): Convert old
2069 variable names to new variable names before assigning value.
2070 * src/reader.c (reader): Update setting default.
2071 * tests/calc.at: Update uses.
2072 * tests/conflicts.at (Unreachable States After Conflict
2073 Resolution): Update use.
2074 * tests/input.at (%define enum variables): Update use.
2075 (%define backward compatibility): New test group.
2076 * tests/push.at: Update uses.
2077 * tests/reduce.at: Update uses.
2078 * tests/torture.at: Update uses.
2079
2080 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2081
2082 Set all front-end %define defaults in one place.
2083 * src/main.c (main): Move lr.keep_unreachable_states default...
2084 * src/reader.c (reader): ... to here.
2085
2086 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2087
2088 Rename lr.default_reductions to lr.default-reductions.
2089 * NEWS (2.5): Here.
2090 * doc/bison.texinfo: Here.
2091 * src/lalr.c (initialize_LA): Here.
2092 * src/print.c (print_reductions): Here.
2093 * src/reader.c (reader): Here.
2094 * src/tables.c (action_row): Here.
2095 * tests/input.at (%define enum variables): Here.
2096 * tests/reduce.at (AT_TEST_LR_DEFAULT_REDUCTIONS): Here.
2097
2098 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2099
2100 Pacify ./configure --enable-gcc-warnings.
2101 * tests/input.at (Symbols): Prototype yyerror and yylex.
2102
2103 2009-04-21 Akim Demaille <demaille@gostai.com>
2104
2105 tests: check the use of dashes and periods in symbols.
2106 * tests/input.at (Symbol): New test group.
2107
2108 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2109
2110 Document how `%define "var" "value"' is not M4-friendly.
2111 * src/parse-gram.y (variable): In comments here.
2112
2113 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2114
2115 Add copyright updates missed during previous cherry pick.
2116 * src/output.c: Here.
2117 * src/parse-gram.y: Here.
2118 * src/scan-gram.l: Here.
2119
2120 2009-04-20 Akim Demaille <demaille@gostai.com>
2121
2122 variables: accept dashes.
2123 * src/scan-gram.l ({id}): Also accept dashes after the initial
2124 letter.
2125 ({directive}): Use {id}.
2126 * src/parse-gram.y: Comment and formatting changes.
2127 * doc/bison.texinfo (Symbols): Adjust the lexical definitions of
2128 symbols.
2129 * src/complain.h, src/complain.c (yacc_at): New.
2130 * src/symtab.c (symbol_new): Use yacc_at to report inappropriate
2131 symbol names.
2132 * src/output.c (token_definitions_output): Do not #define token
2133 names with dashes.
2134
2135 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2136
2137 Clean up recent patches a little.
2138 Reported by Akim Demaille.
2139 * doc/bison.texinfo (Understanding): Fix typos.
2140 * src/print.c (print_reductions): Don't use negated variable.
2141
2142 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2143
2144 List accepted values for a %define enum variable with an invalid value.
2145 Suggested by Akim Demaille at
2146 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00082.html>.
2147 * data/bison.m4 (_b4_percent_define_check_values): Implement.
2148 * src/muscle_tab.c (muscle_percent_define_check_values): Implement.
2149 * tests/input.at (%define lr.default_reductions invalid values): Merge
2150 into...
2151 (%define enum variables): ... here, and update output.
2152
2153 2009-04-23 Joel E. Denny <jdenny@ces.clemson.edu>
2154
2155 Rename "default rule" to "default reduction".
2156 This includes changing variable names in code, changing
2157 comments, and renaming %define lr.default_rules to %define
2158 lr.default_reductions.
2159 * NEWS (2.5): Update IELR documentation.
2160 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c:
2161 Adjust YYDEFACT and yydefact_ documentation.
2162 * doc/bison.texinfo (Decl Summary): Adjust lr.default_reductions
2163 and lr.type documentation. Make some other wording
2164 improvements.
2165 (Glossary): Adjust cross-references and Default Reduction
2166 definition.
2167 * src/lalr.c (state_lookahead_tokens_count): Adjust code.
2168 Remove a confusing comment pointed out by Akim Demaille.
2169 (initialize_LA): Adjust code.
2170 * src/print-xml.c (print_reductions): Adjust code.
2171 * src/print.c (print_reductions): Adjust code.
2172 * src/reader.c (reader): Adjust code.
2173 * src/tables.c (action_row): Adjust code.
2174 (token_actions): Adjust code.
2175 * src/tables.h: Adjust YYDEFACT documentation.
2176 * tests/input.at (%define lr.default_rules invalid values):
2177 Rename test group to...
2178 (%define lr.default_reductions invalid values): ... this, and
2179 update grammar file and expected output.
2180 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): Rename to...
2181 (AT_TEST_LR_DEFAULT_REDUCTIONS): ... this, and update.
2182
2183 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2184
2185 Document %define lr.type and lr.default_rules.
2186 * NEWS (2.5): Add an entry.
2187 * src/getargs.c (usage): Mention IELR(1) and canonical LR(1)
2188 besides just LALR(1) and GLR(1).
2189 * doc/bison.texinfo (Introduction): Likewise.
2190 (Language and Grammar): Bison is no longer limited to LALR(1)
2191 restrictions.
2192 (GLR parsing): Say deterministic or LR(1) rather than LALR(1)
2193 when trying to distinguish from GLR. Talk about LR(1) grammars
2194 rather than LALR(1) grammars.
2195 (Decl Summary): In %define api.push_pull entry, say it applies
2196 to deterministic parsers in C rather than LALR(1) parsers in C.
2197 Add lr.default_rules entry.
2198 Add lr.type entry.
2199 (Mystery Conflicts): Bison is no longer limited to LALR(1)
2200 restrictions.
2201 (Generalized LR Parsing): Same changes as for the previous GLR
2202 section.
2203 (Memory Management): Say deterministic rather than LALR(1).
2204 (Understanding): Correct some bison output.
2205 Index discussion of "accepting state".
2206 Say deterministic rather than LALR(1).
2207 (Bison Options): In --yacc entry, say deterministic rather than
2208 LALR(1).
2209 In --report, --graph, and --xml entries, just don't mention
2210 LALR(1).
2211 (C++ Parsers): Say deterministic rather than LALR(1).
2212 (Table of Symbols): Likewise in YYSTACK_USE_ALLOCA entry.
2213 (Glossary): Add Accepting State, Consistent State, Default Rule,
2214 and IELR(1) definitions.
2215 In Generalized LR (GLR) definition, make same changes as in
2216 previous GLR sections.
2217 In LALR(1) definition, say Bison uses LALR(1) by default rather
2218 than implying Bison is limited to LALR(1).
2219 (LocalWords): Add IELR.
2220
2221 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2222
2223 Finish implementing %define lr.type.
2224 Its value can be "LALR", "IELR", or "canonical LR".
2225 * lib/timevar.def (TV_IELR_PHASE1): New var.
2226 (TV_IELR_PHASE2): New var.
2227 (TV_IELR_PHASE3): New var.
2228 (TV_IELR_PHASE4): New var.
2229 * src/Makefile.am (bison_SOURCES): Add AnnotationList.c,
2230 AnnotationList.h, InadequacyList.c, InadequacyList.h, Sbitset.c,
2231 Sbitset.h, ielr.h, and ielr.c.
2232 * src/getargs.h, src/getargs.c (enum trace, trace_args,
2233 trace_types): Add trace_ielr.
2234 * src/lalr.h, src/lalr.c (ngotos): Export it.
2235 (F): Rename to...
2236 (goto_follows): ... this, update all uses, and export it.
2237 (set_goto_map): Export it.
2238 (map_goto): Export it.
2239 (compute_lookahead_tokens): Don't free goto_follows yet. Now
2240 handled in ielr.
2241 (initialize_LA): Export it. Move lookback allocation to...
2242 (lalr): ... here because, for canonical LR, initialize_LA must
2243 be invoked but lookback and much of the rest of LALR isn't
2244 needed.
2245 * main.c (main): Instead of lalr, invoke ielr, which invokes
2246 lalr.
2247 * src/reader.c (reader): Default lr.type to "LALR".
2248 Default lr.default_rules to "accepting" if lr.type is "canonical
2249 LR". Leave the default as "all" otherwise.
2250 Check for a valid lr.type value.
2251 * src/state.h, src/state.c (struct state_list): Add state_list
2252 member.
2253 (state_new): Initialize state_list member to NULL.
2254 (state_new_isocore): New function, exported.
2255 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): New macro that
2256 exercises all values of lr.type.
2257 (GNU AWK Grammar): Rename test group to...
2258 (GNU AWK 3.1.0 Grammar): ... this, and extend to use
2259 AT_TEST_EXISTING_GRAMMAR.
2260 (GNU Cim Grammar): Extend to use AT_TEST_EXISTING_GRAMMAR.
2261 (GNU pic Grammar): Rename test group to...
2262 (GNU pic (Groff 1.18.1) Grammar): ... this, and extend to use
2263 AT_TEST_EXISTING_GRAMMAR.
2264 * tests/reduce.at (AT_TEST_LR_TYPE): New macro that exercises
2265 all values of lr.type.
2266 (Single State Split): New test groups using AT_TEST_LR_TYPE.
2267 (Lane Split): Likewise.
2268 (Complex Lane Split): Likewise.
2269 (Split During Added Lookahead Propagation): Likewise.
2270
2271 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2272
2273 Add new files for IELR and canonical LR implementation.
2274 * src/AnnotationList.c: New.
2275 * src/AnnotationList.h: New.
2276 * src/InadequacyList.c: New.
2277 * src/InadequacyList.h: New.
2278 * src/Sbitset.c: New.
2279 * src/Sbitset.h: New.
2280 * src/ielr.c: New.
2281 * src/ielr.h: New.
2282
2283 2009-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2284
2285 Implement %define lr.default_rules.
2286 Its value describes the states that are permitted to contain
2287 default rules: "all", "consistent", or "accepting".
2288 * src/reader.c (reader): Default lr.default_rules to "all".
2289 Check for a valid lr.default_rules value.
2290 * src/lalr.c (state_lookahead_tokens_count): If lr.default_rules
2291 is "accepting", then only mark the accepting state as
2292 consistent.
2293 (initialize_LA): Tell state_lookahead_tokens_count whether
2294 lr.default_rules is "accepting".
2295 * src/tables.c (action_row): If lr.default_rules is not "all",
2296 then disable default rules in inconsistent states.
2297 * src/print.c (print_reductions): Use this opportunity to
2298 perform some assertions about whether lr.default_rules was
2299 obeyed correctly.
2300 * tests/local.at (AT_TEST_TABLES_AND_PARSE): New macro that
2301 helps with checking the parser tables for a grammar.
2302 * tests/input.at (%define lr.default_rules invalid values): New
2303 test group.
2304 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): New macro using
2305 AT_TEST_TABLES_AND_PARSE.
2306 (`no %define lr.default_rules'): New test group generated by
2307 AT_TEST_LR_DEFAULT_RULES.
2308 (`%define lr.default_rules "all"'): Likewise.
2309 (`%define lr.default_rules "consistent"'): Likewise.
2310 (`%define lr.default_rules "accepting"'): Likewise.
2311
2312 2009-04-20 Akim Demaille <demaille@gostai.com>
2313
2314 Consistently refer to Yacc, not YACC.
2315 * src/getargs.c (usage, warnings_args): s/YACC/Yacc/.
2316
2317 2009-04-17 Joel E. Denny <jdenny@ces.clemson.edu>
2318
2319 Pacify make maintainer-check-posix.
2320 * tests/input.at (%define, --define): Move bison command-line
2321 options before grammar file name.
2322
2323 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2324
2325 Document semicolon warnings.
2326 * NEWS (2.5): Here.
2327
2328 2008-12-08 Akim Demaille <demaille@gostai.com>
2329
2330 Fix portability issue in the test suite.
2331 * tests/local.at (AT_MATCHES_CHECK): New.
2332 Based on Perl instead of Sed. Sed has too many portability
2333 pitfalls, not ever Sed is GNU Sed.
2334 * tests/actions.at (Fix user actions without a trailing semicolon):
2335 Use it.
2336
2337 2008-12-07 Di-an Jan <dianj@freeshell.org>
2338
2339 Implement the FIXME that ends an user action with a semicolon
2340 if it seems necessary.
2341 * src/scan-code.l (flex rules section): Flag cpp directive from
2342 any `#' to the first unescaped end-of-line. Semicolon is not
2343 needed after `;', `{', '}', or cpp directives and is needed after
2344 any other token (whitespaces and comments have no effect).
2345 * tests/actions.at (Fix user actions without a trailing semicolon):
2346 New test.
2347 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
2348 to make user actions complete statements.
2349 Adjust column numbers in error messages.
2350 * tests/regression.at (Fix user actions without a trailing semicolon):
2351 Remove. Covered by new test.
2352
2353 2009-04-14 Akim Demaille <demaille@gostai.com>
2354
2355 doc: minor fixes.
2356 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
2357 (Table of Symbols): Remove duplicate entry for %debug.
2358
2359 2009-04-10 Eric Blake <ebb9@byu.net>
2360
2361 submodules: update to latest
2362 * submodules/autoconf: Use latest upstream Autoconf.
2363
2364 2009-04-06 Eric Blake <ebb9@byu.net>
2365
2366 Work around autoconf 2.63b bug in testsuite.
2367 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
2368 autoconf bug related to # in test.
2369
2370 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2371
2372 * NEWS (2.5): Describe new -D/--define feature.
2373
2374 2008-11-10 Akim Demaille <demaille@gostai.com>
2375
2376 --trace=muscles
2377 * src/getargs.h, src/getargs.c (trace_muscle): New.
2378 (trace_types, trace_args): Support it.
2379 * src/output.c (output_skeleton): Use it.
2380
2381 2008-11-10 Akim Demaille <demaille@gostai.com>
2382
2383 muscles_output.
2384 * src/output.c (muscles_output): New, extracted from...
2385 (output_skeleton): here.
2386 Adjust.
2387
2388 2008-11-21 Akim Demaille <demaille@gostai.com>
2389
2390 Display the changes in cross-options.texi.
2391 * build-aux/cross-options.pl ($sep): New, to separate items.
2392 * doc/Makefile.am ($(srcdir)/cross-options.texi): Use diff to display
2393 the changes.
2394
2395 2008-11-20 Di-an Jan <dianj@freeshell.org>
2396
2397 Improves options in the manual.
2398 * doc/bison.texinfo (-g, -x): Add space before argument.
2399 (Option Cross Key): Implement FIXME: listing directives also.
2400 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
2401 (Short Option): Special case -d. Put arguments inside @option.
2402 (Bison Directive): Add column, automatically extracted from
2403 src/scan-gram.l (actual name passed as the first argument)
2404 with special case for %define.
2405 * doc/Makefile.am (doc/cross-options.texi): Pass src/scan-gram.l
2406 to build-aux/cross-options.pl.
2407 * src/getargs.c (usage): Document limitations of cross-options.pl.
2408 * src/scan-gram.l: Likewise.
2409
2410 2009-02-25 Akim Demaille <demaille@gostai.com>
2411
2412 Copyright years.
2413 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
2414
2415 2008-12-08 Akim Demaille <demaille@gostai.com>
2416
2417 Install autoconf as a submodule to get m4sugar.
2418 * .gitmodules: Add submodules/autoconf.
2419 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
2420 submodules/autoconf.
2421
2422 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2423
2424 Simplify last patch slightly.
2425 * src/getargs.c (getargs): Here.
2426
2427 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2428
2429 Fix last warning from --enable-gcc-warnings.
2430 * src/getargs.c (getargs): Don't assign const address to non-const
2431 pointer.
2432
2433 2008-11-17 Di-an Jan <dianj@freeshell.org>
2434
2435 Handle --enable-gcc-warnings.
2436 * src/getargs.c (command_line_location): Set parameters to void.
2437
2438 2008-11-11 Akim Demaille <demaille@gostai.com>
2439
2440 AT_FULL_COMPILE.
2441 * tests/actions.at, tests/regression.at: Use it.
2442
2443 2008-11-07 Akim Demaille <demaille@gostai.com>
2444
2445 Pass command line location to skeleton_arg and language_argmatch.
2446 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
2447 The location argument is now mandatory.
2448 Adjust all dependencies.
2449 (getargs): Use command_line_location.
2450
2451 2008-11-07 Akim Demaille <demaille@gostai.com>
2452
2453 -D, --define.
2454 * src/getargs.c (usage): Document -D.
2455 Fix help string for --locations.
2456 (command_line_location): New.
2457 (short_options, long_options, getargs): Support -D, --define.
2458 (getargs): Move -d support at the right place.
2459 * doc/bison.texinfo (Bison Options): Update.
2460 * tests/input.at (%define, --define): New.
2461
2462 2008-11-07 Akim Demaille <demaille@gostai.com>
2463
2464 Initialize the muscle table before parsing the command line.
2465 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
2466 (getargs): Define file_name.
2467 * src/main.c (main): Initialize muscle_tab before calling
2468 getargs.
2469 * src/muscle_tab.c (muscle_init): No longer define file_name, as
2470 its value is not available yet.
2471
2472 2008-11-09 Akim Demaille <demaille@gostai.com>
2473
2474 Require the generation of parse-gram.output.
2475 * src/Makefile.am (YACC): Pass --report=all.
2476
2477 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2478
2479 * NEWS (2.5): New stub.
2480
2481 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2482
2483 Fix options documentation.
2484 * build-aux/cross-options.pl: As in --help output, write optional
2485 arguments as [=ARG] not =[ARG].
2486 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
2487
2488 2008-11-07 Akim Demaille <demaille@gostai.com>
2489
2490 Fix --help.
2491 * src/getargs.c (usage): Fix help string for -W.
2492
2493 2008-11-07 Akim Demaille <demaille@gostai.com>
2494
2495 Handle more general types of option arguments.
2496 * build-aux/cross-options.pl: The argument ends at the first
2497 space, not the first non-symbol character.
2498 Use @var for each word appearing the argument description.
2499
2500 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2501
2502 Remove spurious initial empty lines.
2503 * data/location.cc: End the @output lines with an @.
2504
2505 2008-11-04 Akim Demaille <demaille@gostai.com>
2506
2507 Remove spurious initial empty lines.
2508 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
2509 * data/yacc.c: End the @output lines with an @.
2510
2511 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2512
2513 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
2514 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
2515 requirements for a correct m4 are stricter.
2516 * m4/m4.m4: Replace with Autoconf 2.63's m4/m4.m4.
2517 * configure.ac: Update to use AC_PROG_GNU_M4.
2518 Reported by Eric Blake.
2519
2520 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
2521
2522 Help with updating web manual.
2523 * HACKING: Incorporate instructions from gnulib/doc/README.
2524 * bootstrap.conf (gnulib_modules): Add gendocs.
2525
2526 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
2527
2528 Fix strange %define locations for default values.
2529 Reported by Akim Demaille at
2530 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
2531 and discussed again starting at
2532 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
2533 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
2534 because location information is bogus.
2535 Use angle brackets to delimit fake file name because square brackets
2536 look like underexpanded m4. Choose a better fake file name.
2537 Use negative line numbers.
2538 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
2539 * src/location.c (location_print): If line for a boundary is negative,
2540 only print that boundary's file name.
2541 * src/location.h: Document that.
2542 * tests/skeletons.at (%define Boolean variables: invalid skeleton
2543 defaults): Update output.
2544
2545 2008-11-07 Akim Demaille <demaille@gostai.com>
2546
2547 Locations without columns for command line arguments.
2548 * src/location.c (location_print): Don't display negative columns.
2549 * src/location.h: Document this.
2550
2551 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
2552
2553 Add reminder about uploading public key to keys.gnupg.net.
2554 * HACKING (Release Procedure): Here.
2555
2556 2009-03-31 Akim Demaille <demaille@gostai.com>
2557
2558 bootstrap: --help to stdout.
2559 * bootstrap (usage): Don't send --help to stderr.
2560 Use a here doc instead of a long string.
2561
2562 2009-03-31 Akim Demaille <demaille@gostai.com>
2563
2564 bootstrap: README-hacking no longer exists
2565 * bootstrap (checkout_only_file): Set to HACKING.
2566
2567 2009-03-26 Akim Demaille <demaille@gostai.com>
2568
2569 doc: merge HACKING and README-hacking.
2570 Two files is confusing.
2571 Reported by Alexandre Duret-Lutz.
2572
2573 * README-hacking: Merge into...
2574 * HACKING (Working from the repository): here.
2575
2576 2009-03-26 Akim Demaille <demaille@gostai.com>
2577
2578 doc: update README-hacking.
2579 * README-hacking: We now use git and git submodules.
2580 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
2581
2582 2009-03-26 Akim Demaille <demaille@gostai.com>
2583
2584 lalr1.cc: avoid GCC 4.3 warnings.
2585 GCC 4.3 now warns about "a || b && c" and asks for explicit
2586 parentheses.
2587 Reported by Alexandre Duret-Lutz.
2588 * data/location.cc: Update copyright years.
2589 (Position::operator==): Use parens to make precedence explicit.
2590 Compare lines and columns first, as they are more likely to be
2591 different, and they are faster to compare.
2592
2593 2009-03-26 Akim Demaille <demaille@gostai.com>
2594
2595 gnulib: update.
2596 * gnulib: Update to latest.
2597 * lib/Makefile.am (AM_CPPFLAGS): It is now defined by gnulib, so
2598 use +=.
2599
2600 2009-01-08 Akim Demaille <demaille@gostai.com>
2601
2602 Fix grep portability issues.
2603 Grep on Solaris does not support -q.
2604 Reported by Summum Bonum.
2605
2606 * NEWS: Add a stub for 2.4.2.
2607 * THANKS: Add Summum Bonum.
2608 * tests/atlocal.in (EGREP): New.
2609 (CC, CXX, XSLTPROC): Make it possible to override them via
2610 envvars.
2611 * tests/java.at: Use $EGREP instead of egrep.
2612 Use AT_CHECK's ignore instead of grep's -q.
2613
2614 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
2615
2616 Version 2.4.1.
2617 * NEWS: Set version and date.
2618 * lib/Makefile.am: Update copyright year.
2619 * tests/atlocal.in: Update copyright year.
2620
2621 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
2622
2623 Semicolon feature removal is not about future language support.
2624 * NEWS: The semicolon feature is no longer active for newer languages,
2625 so don't claim that it causes trouble for them.
2626
2627 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
2628
2629 * gnulib: Update submodule to HEAD.
2630
2631 2008-12-09 Akim Demaille <demaille@gostai.com>
2632
2633 Update data/README.
2634 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
2635
2636 2008-12-05 Eric Blake <ebb9@byu.net>
2637
2638 Build testsuite with newer autoconf.
2639 * tests/output.at (m4_expand): Don't override in newer autoconf,
2640 where the underlying implementation changed.
2641 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
2642 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
2643 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
2644 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
2645 since some of them contain unbalanced ')'.
2646
2647 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
2648
2649 * NEWS: Clarify a little.
2650
2651 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
2652
2653 * NEWS: Update for recent changes.
2654
2655 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2656
2657 Fix unexpanded macros in GLR defines file.
2658 Reported by Csaba Raduly at
2659 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
2660 * THANKS (Csaba Raduly): Add.
2661 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
2662 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
2663 lexer in a separate module that includes the defines file.
2664 (AT_CHECK_CALC): Use AT_FULL_COMPILE and request compilation of lexer
2665 source.
2666 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
2667 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
2668 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
2669 (AT_DATA_SOURCE_PROLOGUE): New.
2670 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
2671 (AT_DATA_SOURCE): New.
2672 (AT_FULL_COMPILE): New, copied from master branch and extended to
2673 support an additional source file.
2674
2675 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2676
2677 Don't let maintainer-*-check targets force a version update.
2678 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
2679 handled.
2680
2681 2008-11-17 Di-an Jan <dianj@freeshell.org>
2682
2683 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
2684 Align menus. Adjust word wrapping. Use node names for menu names.
2685 (Examples): Don't abbreviate node names.
2686 (LocalWords): Remove abbreviations.
2687 (Copying): Make description a sentence.
2688 (Java Action Features): Remove period to match the rest of menu.
2689
2690 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
2691
2692 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
2693 * configure.ac: Adjust usage.
2694 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
2695 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
2696 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
2697
2698 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
2699
2700 Don't add a semicolon to actions for %skeleton or %language.
2701 It breaks Java test cases as reported by Akim Demaille.
2702 * src/scan-code.l: Implement.
2703
2704 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
2705
2706 Clean up %skeleton and %language priority implementation.
2707 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
2708 remove static qualifier because others will soon need to see it.
2709 (language_prio): Likewise.
2710 (getargs): Use command_line_prio rather than 0.
2711 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
2712 enum fields.
2713 (skeleton_prio): Extern it.
2714 (language_prio): Extern it.
2715 * src/parse-gram.y: Use grammar_prio rather than 1.
2716
2717 2008-11-04 Akim Demaille <demaille@gostai.com>
2718
2719 * NEWS: Mention the trailing semicolon in action.
2720
2721 2008-11-04 Akim Demaille <demaille@gostai.com>
2722
2723 Reformat NEWS.
2724 * NEWS: Use more outline-mode markup.
2725 Suggested by Jim Meyering.
2726
2727 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
2728
2729 Fix user actions without a trailing semicolon.
2730 Reported by Sergei Steshenko at
2731 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
2732 * THANKS (Sergei Steshenko): Add.
2733 * src/scan-code.l (SC_RULE_ACTION): Fix it.
2734 * tests/regression.at (Fix user actions without a trailing semicolon):
2735 New test case.
2736
2737 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2738
2739 Initiate further development.
2740 * NEWS: Create an empty section for new entries.
2741 * gnulib: Update submodule to HEAD.
2742
2743 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2744
2745 * NEWS: Version 2.4.
2746
2747 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2748
2749 Prepare for next release.
2750 * NEWS: Briefly mention changes since 2.3b.
2751 * README: Say GNU m4 1.4.6, which we've been requiring in release
2752 announcements already, not 1.4.3, which breaks the build.
2753
2754 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2755
2756 Say %language is experimental.
2757 We're thinking of extending it's effect on output file naming. See the
2758 thread at
2759 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
2760 * NEWS: Say it's experimental.
2761 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
2762 recommend it over %skeleton for now.
2763 (Bison Options): Likewise.
2764 (C++ Bison Interface): Use %skeleton not %language.
2765 (Calc++ Parser): Use %skeleton not %language.
2766 * src/getargs.c (usage): Say it's experimental.
2767
2768 2008-11-01 Di-an Jan <dianj@freeshell.org>
2769 Paolo Bonzini <bonzini@gnu.org>
2770
2771 Support all Java parser class modifiers.
2772 * data/java.m4 (b4_percent_define_get3): New.
2773 (b4_final_if, b4_strictfp_if): New.
2774 * data/lalr1.java (final, strictfp, extends, implements): Support.
2775 * doc/bison.texinfo (final, strictfp, extends, implements): Add
2776 documentation.
2777 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
2778 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
2779 (AT_CHECK_JAVA_GREP): New.
2780 (Java parser class modifiers): New test.
2781 (Java parser class extends and implements): New test.
2782
2783 Model exception propagation better with throws and lex_throws.
2784 * data/java.m4 (b4_list2): New.
2785 (throws): Change default.
2786 * data/lalr1.java (yyaction): Add throws.
2787 (parse): Add lex_throws in addition to throws.
2788 * doc/bison.texinfo (throws, lex_throws): Add documentation.
2789 * tests/java.at (Java throws specifications): New test.
2790
2791 Improve documentation for Java parsers.
2792 * doc/bison.texinfo (Java Parsers): Add subsections.
2793 Don't quote first argument of %define.
2794 (Java Bison Interface): Document output files. Move documentation
2795 of parser class and merge into Java Parser Interface. Document
2796 features that error out. Document directives with no effect.
2797 Move note about Javadoc higher.
2798 (Java Semantic Values): Explicitly mention stype.
2799 Document that generic types cannot be used.
2800 (Java Location Values): Use @deftypeivar. Document constructors.
2801 Correct return value for toString.
2802 (Java Parser Interface): List undocumented constants/fields.
2803 Move documentation of fields added by %parse-param closer to list
2804 of members. Document that token names are added as fields.
2805 Document constructors accurately. Remove error method.
2806 (Java Scanner Interface): Move note on %pure-parser to Java Bison
2807 Interface. Describe %code lexer and yylex accutately.
2808 Remove documentation that does not match the code.
2809 (Java Action Features): New.
2810 (Java Differences): Add reference. Add item on semantic values.
2811 Add note about @{ ... @}. Clarify %% epilogue placement.
2812 (Java Declarations Summary): New.
2813
2814 Fix Java skeleton.
2815 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
2816 (b4_remove_comma): Quote test argument.
2817 (b4_identification): Remove "bison" field.
2818 * tests/java.at (Java parser class and package names): New test.
2819 (Java %parse-param and %lex-param): New test.
2820 (Java stype, position_class and location_class): New test.
2821
2822 2008-10-31 Di-an Jan <dianj@freeshell.org>
2823
2824 * data/lalr1.jave: Update copyright years.
2825 (YYParser): Correct name of "generated from" file in Javadoc:
2826 use b4_file_name instead of @ofile@.
2827 (Location constructor): Correct Javadoc parameter name.
2828 (yylloc): Add missing opening m4 quote after b4_location_if.
2829 This removes a stray [ in the Javadoc of Lexer.getStartPos.
2830 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
2831 (YYParser constructor): Correct Javadoc parameter name.
2832
2833 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
2834
2835 Always put auxiliary code files in the same dir as other output files.
2836 * src/files.c (compute_file_name_parts): When the user specifies
2837 --output but not --file-prefix, extract the directory prefix from the
2838 file prefix not from the grammar file name. This affects the location
2839 of files like location.hh generated by the C++ skeleton. The includes
2840 in the other output files require this fix.
2841 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
2842 for expected output files.
2843 (Output files): Add a test for the above.
2844
2845 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
2846
2847 * gnulib: Update submodule to HEAD.
2848
2849 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2850
2851 Update copyright year.
2852 * src/files.c: Here.
2853
2854 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
2855
2856 Don't overwrite the input file.
2857 * src/files.c (output_file_name_check): Fatal error if using input file
2858 for output.
2859 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
2860 argument.
2861 (Conflicting output files): Add test.
2862
2863 2008-10-28 Akim Demaille <demaille@gostai.com>
2864
2865 Space changes.
2866 * data/lalr1.cc: Formatting changes.
2867
2868 2008-10-28 Akim Demaille <demaille@gostai.com>
2869
2870 Don't define debugging functions when !YYDEBUG.
2871 * data/lalr1.cc (debug_stream, set_debug_stream)
2872 (debug_level_type, debug_level, set_debug_level): Don't
2873 declare them when YYDEBUG is not defined.
2874 The implementation are already YYDEBUG-aware.
2875
2876 2008-10-28 Akim Demaille <demaille@gostai.com>
2877
2878 Prefer "continue" for empty loop bodies.
2879 * etc/bench.pl.in: Use "continue" instead of {}.
2880
2881 2008-10-28 Akim Demaille <demaille@gostai.com>
2882
2883 Space and comments changes.
2884 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
2885 * data/c.m4, data/lalr1.cc: Space changes.
2886
2887 2008-10-28 Akim Demaille <demaille@gostai.com>
2888
2889 Make gnulib a submodule.
2890 * gnulib: New.
2891 * .gitmodules (gnulib): New.
2892
2893 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2894
2895 Fix yyerror_range for user-defined location type in C++. Reported by
2896 Georg Sauthoff at
2897 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
2898 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
2899 * THANKS (Georg Sauthoff): Add.
2900
2901 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2902
2903 Update several administrative files mainly to facilitate releasing.
2904 * HACKING (Administrivia): Make the git-merge-changelog notes more
2905 helpful.
2906 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
2907 (Release Procedure): Update for git and add numerous details that were
2908 previously missing.
2909 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
2910 * maint.mk (announcement): Don't list bison as a bootstrap tool so
2911 that announcements don't claim we bootstrapped with whatever bison
2912 happened to be in PATH. Add flex as a bootstrap tool.
2913 * Makefile.maint: Remove, previously replaced by maint.mk.
2914 * Makefile.cfg: Remove, and migrate settings to...
2915 * cfg.mk: ... here for the sake of `make announcement'.
2916 * bootstrap.conf (gnulib_modules): Add announce-gen.
2917 * README: Say GNU Bison instead of just Bison. Suggested by Karl
2918 Berry.
2919
2920 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
2921
2922 Small but important bugfixes for the Java skeleton.
2923 * data/lalr1.java (yyerror): Change Location to b4_location_type.
2924 (yy_symbol_print): Call toString on yyvaluep.
2925
2926 2008-08-29 Akim Demaille <demaille@gostai.com>
2927
2928 Clarify UPDATED use.
2929 * doc/bison.texinfo: It refers to the last edition of this file,
2930 not to the release date of Bison.
2931 Reported by Joel E. Denny.
2932
2933 2008-08-29 Akim Demaille <demaille@gostai.com>
2934
2935 * README: Update FAQ pointer.
2936 Reported by Joel E. Denny.
2937
2938 2008-08-27 Eric Blake <ebb9@byu.net>
2939
2940 Resync m4sugar from autoconf.
2941 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
2942 (m4_init): Adjust to latest m4.git changes.
2943 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
2944 effects.
2945 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
2946 (_m4_list_cmp): Reduce side effects.
2947
2948 2008-08-27 Akim Demaille <demaille@gostai.com>
2949
2950 Check yyerrok in calc.at.
2951 * tests/calc.at (calc.y): Use yyerrok on "( error )".
2952 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
2953 expected.
2954
2955 2008-08-27 Akim Demaille <demaille@gostai.com>
2956
2957 Support yyerrok in lalr1.cc.
2958 YYBACKUP is still to import back into lalr1.cc.
2959 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
2960
2961 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2962
2963 For maintainer-check*, don't recompile for a $(VERSION) update.
2964 * cfg.mk: New file.
2965 (_is-dist-target): Override the one in GNUmakefile.
2966 * Makefile.am (EXTRA_DIST): Add cfg.mk.
2967
2968 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2969
2970 Update for recent change to gnulib.
2971 * src/parse-gram.y: Don't include strverscmp.h. It comes from
2972 string.h now.
2973
2974 2008-08-15 Eric Blake <ebb9@byu.net>
2975
2976 Remaining m4sugar merge from autoconf.
2977 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
2978 * data/m4sugar/foreach.m4: New file, copied from autoconf.
2979 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
2980 * src/output.c (output_skeleton): Tell m4 how to find it.
2981
2982 Partial m4sugar merge from autoconf: m4_map.
2983 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
2984 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
2985 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
2986 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
2987 for empty list.
2988 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
2989 Likewise.
2990 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
2991 declares it.
2992
2993 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
2994
2995 Keep .version and PACKAGE_VERSION in sync.
2996 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
2997 dependency, and add comments justifying this in more detail. Discussed
2998 starting at
2999 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
3000
3001 2008-08-06 Eric Blake <ebb9@byu.net>
3002
3003 Partial m4sugar merge from autoconf: m4_shiftn.
3004 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
3005 (m4_shift2, m4_shift3): New macros.
3006 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
3007 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
3008 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
3009 * data/java.m4 (b4_remove_comma): Likewise.
3010
3011 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
3012 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
3013 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
3014 (m4_init): Consolidate wrapped text into single m4_wrap.
3015 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
3016 in wrapped text.
3017
3018 2008-08-05 Eric Blake <ebb9@byu.net>
3019
3020 Partial m4sugar merge from autoconf: builtins, version.m4.
3021 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
3022 (m4_prepend): Remove, as it is unused and inherently quadratic,
3023 whereas m4_append is linear in newer m4.
3024 (m4_mkstemp): New builtin.
3025 (m4_symbols): Make rename conditional.
3026 (m4_version_prereq): Ensure fatal error if used in bison, which
3027 intentionally lacks version.m4.
3028
3029 Fix comments in m4sugar.
3030 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
3031
3032 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3033
3034 Update for recent .gitignore fix in Gnulib.
3035 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
3036 anchored .gitignore entries.
3037
3038 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3039
3040 Set gnu or gnits strictness.
3041 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
3042 development and gnits strictness for releases. Based on Eric Blake's
3043 suggestion at
3044 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
3045
3046 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3047
3048 * NEWS: Clarify documentation of %language.
3049
3050 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3051
3052 Support usage of git-merge-changelog.
3053 * .gitattributes: New.
3054 * HACKING: Document usage of git-merge-changelog.
3055 * bootstrap: Install git-merge-changelog entries in .git/config
3056 if appropriate.
3057
3058 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3059
3060 Remove remaining dependence on CVS Id keyword.
3061 * ChangeLog: For the sake of people still using CVS, don't use dollars
3062 when mentioning Id.
3063 * data/xslt/bison.xsl: Remove Id from header comments, where it was
3064 unusual anyway.
3065 * data/xslt/xml2dot.xsl: Likewise.
3066 * data/xslt/xml2text.xsl: Likewise.
3067 * data/xslt/xml2xhtml.xsl: Likewise.
3068 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
3069 * doc/Makefile.am (neutralize): Remove, no longer needed.
3070 (.x.1): Don't use neutralize.
3071 (edit): Don't substitute for ID.
3072 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
3073
3074 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3075
3076 Fix dependence on computed configure variables.
3077 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
3078 $(top_srcdir)/configure.ac so that changes to computed variables, such
3079 as PACKAGE_VERSION, are seen.
3080 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
3081
3082 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
3083
3084 Update copyright dates for recent changes.
3085 * Makefile.am: Here.
3086 * src/Makefile.am: Here.
3087 * src/reduce.c: Here.
3088 * tests/reduce.at: Here.
3089
3090 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
3091
3092 Use git-version-gen for version names between releases.
3093 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
3094 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
3095 * .prev-version: New.
3096 * .version.in: Remove.
3097 * ChangeLog: Remove the Id previously used for capturing the CVS
3098 revision.
3099 * GNUmakefile: Remove, now copied from Gnulib.
3100 * Makefile.am: Add code suggested by comments in
3101 build-aux/git-version-gen.
3102 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
3103 .prev-version, and .version.
3104 * NEWS (2.3b+): Rename to...
3105 (?.?): ... this because we're dropping the "+" version naming scheme,
3106 but, in general, we still can't be sure of our next release name.
3107 * bootstrap: Add a quick hack to remove from .gitignore the
3108 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
3109 entry. This should really be fixed in gnulib instead.
3110 * bootstrap.conf (gnulib_modules): Add gnumakefile.
3111 * configure.ac (AC_INIT): Set version name by invoking
3112 build-aux/git-version-gen.
3113 (AC_CONFIG_FILES): Remove .version, now generated by
3114 build-aux/git-version-gen.
3115 * maint.mk: New, copied from coreutils.
3116 * doc/.cvsignore (bison.1): Add.
3117 * doc/.gitignore (/bison.1): Add.
3118 * doc/bison.1: Remove, generated.
3119 * src/.cvsignore (revision.c): Remove.
3120 * src/.gitignore (/revision.c): Remove.
3121 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
3122 (BUILT_SOURCES): Remove revision.c.
3123 (revision.c): Remove.
3124 * src/getargs.c (version): Don't print revision after the VERSION.
3125 * src/revision.h: Remove.
3126
3127 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3128
3129 Fix untranslatable composition of sentences. Reported by Goran
3130 Uddeborg at
3131 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
3132 * THANKS (Goran Uddeborg): Add.
3133 * src/reduce.c (reduce_print): Report the number of nonterminals and
3134 rules useless in the grammar in separate sentences.
3135 * tests/reduce.at (Useless Rules): Update output.
3136 (Reduced Automaton): Likewise.
3137 (Underivable Rules): Likewise.
3138 (Empty Language): Likewise.
3139
3140 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
3141
3142 Fix some .gitignore and .cvsignore problems.
3143 * bootstrap (insert_sorted_if_absent): Replace all uses with...
3144 (insert_vc_ignore): ... this new function, which prepends `/' to all
3145 .gitignore entries before passing them to insert_sorted_if_absent.
3146 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
3147 .cvsignore files are maintained even though Bison developers run
3148 bootstrap while using Git.
3149 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
3150 unneeded by Bison.
3151 (gnulib): Add.
3152 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
3153 unneeded. Reported by Eric Blake.
3154 * lib/.gitignore (/*~): Add.
3155 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
3156 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
3157 Blake.
3158 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
3159
3160 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
3161
3162 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
3163 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
3164 * bootstrap.conf (gnulib_modules): Add unsetenv.
3165 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
3166 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
3167 (/setenv.m4): Add.
3168 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
3169 the first argument because it may become position-dependent, and unset
3170 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
3171 Add comments explaining these issues in more detail.
3172
3173 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
3174
3175 Add .gitignore everywhere based on .cvsignore.
3176 * .gitignore: New.
3177 * build-aux/.gitignore: New.
3178 * data/.gitignore: New.
3179 * doc/.gitignore: New.
3180 * etc/.gitignore: New.
3181 * examples/.gitignore: New.
3182 * examples/calc++/.gitignore: New.
3183 * lib/.gitignore: New.
3184 * m4/.gitignore: New.
3185 * po/.gitignore: New.
3186 * runtime-po/.gitignore: New.
3187 * src/.gitignore: New.
3188 * tests/.gitignore: New.
3189
3190 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3191
3192 * NEWS (2.3b+): New section, empty for now.
3193 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
3194
3195 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3196
3197 * NEWS (2.3b): Update release date since there has been a delay in
3198 getting the announcements and tarballs out.
3199
3200 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
3201
3202 * NEWS: Version 2.3b.
3203 * configure.ac (AC_INIT): Likewise.
3204 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
3205
3206 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
3207
3208 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
3209 been doing it for years.
3210 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
3211 (Release Procedure): Add FIXME about make alpha being unmaintained.
3212
3213 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
3214
3215 * data/yacc.c: Reformat m4 a little for readability.
3216 * src/lalr.c (build_relations): Correct comment.
3217
3218 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3219
3220 DJGPP specific issue.
3221 * djgpp/config.sed: Fixes required to run configure scripts generated
3222 by autoconf 2.62.
3223
3224 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3225
3226 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
3227 coordinator@translationproject.org.
3228
3229 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3230
3231 * THANKS: Add Eric Blake.
3232
3233 2008-04-23 Eric Blake <ebb9@byu.net>
3234
3235 Revert prior patch, by working around autoconf regression.
3236 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
3237 ("Output file name: ("): Uncomment test.
3238 ("Output file name: )"): Likewise.
3239 Based on an idea from Noah Misch.
3240
3241 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3242
3243 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
3244 2.61. Reported by Juan Manuel Guerrero at
3245 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
3246 * tests/output.at ("Output file name: ("): Comment out test case for
3247 now.
3248 ("Output file name: )"): Likewise.
3249
3250 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3251
3252 * GNUmakefile: Update git-version-gen invocation so make dist
3253 succeeds.
3254
3255 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
3256
3257 Update to the current gnulib CVS repository, and fix trigraph handling
3258 in Bison.
3259 * bootstrap: Update gnulib CVS repository URL.
3260 (symlink_to_dir): Encapsulate the code that guarantees the destination
3261 directory exists into...
3262 (check_dst_dir): ... this new function, and...
3263 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
3264 fail when copying files into lib/uniwidth/.
3265 * src/output.c (prepare_symbols): When writing yytname muscles, where
3266 symbol names will be encoded in C-string literals, tell quotearg to
3267 escape trigraphs. This used to be the default in gnulib.
3268 * tests/regression.at (Token definitions): Because of the change in
3269 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
3270 escapes trigraphs in symbol names. Thus, yytname no longer has
3271 trigraphs unnecessarily doubly escaped. Update test case output.
3272 Extend test case to be sure Bison's own error messages will no longer
3273 have trigraphs in symbol names unnecessarily escaped once.
3274
3275 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
3276
3277 Fix make dist infinite loop reported by Juan Manuel Guerrero at
3278 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
3279 * .cvsignore: Add .version.
3280 * .version.in: New.
3281 * bootstrap.conf (gnulib_modules): Add git-version-gen.
3282 * configure.ac (AC_CONFIG_FILES): Add .version.
3283 * build-aux/.cvsignore: Add git-version-gen.
3284
3285 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
3286
3287 * NEWS (2.3a+): Mention that -g now takes an argument.
3288 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
3289 consistency. Update the -g and -x entries now that they take
3290 arguments. Use brackets to indicate optional arguments.
3291 * src/getargs.c (usage): Explain the relationship between arguments of
3292 long and short options more completely. Document --defines and -d
3293 separately since the former takes an argument but, for POSIX Yacc, the
3294 latter does not.
3295 (short_options): Let -W take an optional argument like --warnings.
3296 (getargs): Sort cases.
3297
3298 2008-02-28 Akim Demaille <demaille@gostai.com>
3299
3300 * doc/bison.texinfo: Fix a few typos.
3301
3302 2008-02-28 Akim Demaille <akim@epita.fr>
3303
3304 * doc/bison.texinfo (Bison Options): Document -W.
3305 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
3306
3307 2008-02-28 Akim Demaille <akim@epita.fr>
3308
3309 * src/getargs.c (short_options): Split and sort for readability.
3310 -g and -x take optional arguments, just like their long options.
3311 * build-aux/cross-options.pl: Use /x to make the regexp easier to
3312 understand.
3313 Fix the handling of $opt which resulted in all the argument to be
3314 considered as optional.
3315
3316 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
3317
3318 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
3319 say its interface is experimental.
3320 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
3321 Java.
3322 (Bison Options): In the -L and --language entry, mention Java.
3323 (Java Bison Interface): Say the interface is experimental.
3324 * src/getargs.c (usage): Mention -L and --language.
3325
3326 * NEWS (2.3a+): Say the push parsing interface is experimental.
3327 * doc/bison.texinfo (Push Decl): Likewise.
3328 (Decl Summary): Likewise in the "%define api.push_pull" entry.
3329 (Push Parser Function): Likewise.
3330 (Pull Parser Function): Likewise.
3331 (Parser Create Function): Likewise.
3332 (Parser Delete Function): Likewise.
3333 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
3334 yypull_parse, and yypush_parse entries.
3335
3336 * NEWS (2.3a+): Mention XML support, and say the schema is
3337 experimental.
3338 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
3339 * src/getargs.c (usage): Say the XML schema is experimental.
3340
3341 * NEWS (2.3a+): Say option instead of flag.
3342
3343 2008-02-21 Wojciech Polak <polak@gnu.org>
3344
3345 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
3346 text.
3347
3348 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
3349
3350 Fix impure push parser compile error reported by Bob Rossi at
3351 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
3352 * data/yacc.c: Clean up whitespace in the output a little.
3353 (yypstate_allocated): Define for impure push parsers regardless of
3354 whether the pull interface is also requested.
3355 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
3356 check impure push parsers without the pull interface.
3357
3358 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
3359 yyerror takes arguments specified by %parse-param while yypstate_new
3360 does not.
3361 * doc/bison.texinfo (Parser Create Function): Document that
3362 yypstate_new returns 0 for multiple impure parser instances.
3363 * tests/push.at (Push Parsing: Multiple impure instances): Update
3364 expected stderr output.
3365
3366 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3367
3368 * runtime-po/POTFILES.in (push.c): Remove.
3369
3370 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
3371
3372 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
3373 * data/push.c: Rename to...
3374 * data/yacc.c: ... this, overwriting it.
3375 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
3376 `%push-pull-parser' -> `%define api.push_pull "both"'.
3377 Remove old yacc.c tests, and update push.c tests to yacc.c.
3378
3379 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
3380
3381 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
3382 `"%code top" blocks' instead of `%code "top" blocks'.
3383 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
3384 Clean up whitespace in the output a little.
3385
3386 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
3387
3388 Fix documentation problems reported by Tim Josling at
3389 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
3390 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
3391 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
3392 integers. Explain the effect of literal string aliases on error
3393 messages. Copy token 0 documentation from the C++ skeleton
3394 documentation.
3395
3396 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
3397
3398 Accept a token number in a %left, %right, or %nonassoc for POSIX
3399 conformance. Reported by Tim Josling at
3400 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
3401 * NEWS (2.3a+): Mention.
3402 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
3403 and code numbers are treated by precedence declarations.
3404 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
3405 of symbols.1.
3406 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
3407 of symbol.
3408 (symbol.prec): New, just like symbol but allows INT.
3409 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
3410 longer holds.
3411 * tests/regression.at (Token number in precedence declaration): New
3412 test case.
3413
3414 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3415
3416 DJGPP specific issues.
3417 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
3418 be changed. Copyright timestamp adjusted.
3419 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
3420 be changed. Copyright timestamp adjusted.
3421 * djgpp/config.site: Copyright timestamp adjusted.
3422 * djgpp/config_h.sed: Copyright timestamp adjusted.
3423 * djgpp/djunpack.bat: Copyright timestamp adjusted.
3424 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
3425 filename translation list.
3426 * djgpp/subpipe.c (init_subpipe): Check the environment variables
3427 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
3428 files shall be created. Before trying to use the temp dir where the
3429 environment variable points to check that the dir really exists. If
3430 not default to the cwd as temp dir. Copyright timestamp adjusted.
3431 * djgpp/subpipe.h: Copyright timestamp adjusted.
3432 * djgpp/testsuite.sed: Copyright timestamp adjusted.
3433
3434 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
3435
3436 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
3437
3438 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
3439
3440 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
3441 Problem reported by Claudio Saavedra in
3442 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
3443
3444 2008-01-05 Wojciech Polak <polak@gnu.org>
3445
3446 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
3447 document's title with the input grammar file name.
3448
3449 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
3450
3451 Automate regression testing of the XML/XSLT implementation. Discussed
3452 starting at
3453 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
3454 * configure.ac (XSLTPROC): New substitution.
3455 * Makefile.am (maintainer-xml-check): New phony target invoking...
3456 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
3457 invoking make maintainer-check with BISON_TEST_XML=1.
3458 * tests/atlocal.in (XSLTPROC): New.
3459 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
3460 not to report reachable memory when Bison is expected to have a
3461 non-zero exit status and (2) to compare XML/XSLT output with --graph
3462 and --report=all output for every working grammar when
3463 BISON_TEST_XML=1.
3464 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
3465 (AT_BISON_CHECK_XML): New.
3466 (AT_QUELL_VALGRIND): New.
3467 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
3468 (AT_CHECK): ... don't redefine this since this was the old way to
3469 quell Valgrind.
3470 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
3471 AT_BISON_CHECK invocations.
3472 * tests/c++.at: Likewise.
3473 * tests/calc.at: Likewise.
3474 * tests/conflicts.at: Likewise.
3475 * tests/cxx-type.at: Likewise.
3476 * tests/existing.at: Likewise.
3477 * tests/glr-regression.at: Likewise.
3478 * tests/headers.at: Likewise.
3479 * tests/input.at: Likewise.
3480 * tests/java.at: Likewise.
3481 * tests/output.at: Likewise.
3482 * tests/push.at: Likewise.
3483 * tests/reduce.at: Likewise.
3484 * tests/regression.at: Likewise.
3485 * tests/sets.at: Likewise.
3486 * tests/skeletons.at: Likewise.
3487 * tests/synclines.at: Likewise.
3488 * tests/torture.at: Likewise.
3489 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
3490 tends to hang xsltproc.
3491 (Big horizontal): Likewise.
3492
3493 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
3494
3495 In XML output, remove redundant class attribute on symbol element.
3496 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
3497 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
3498 look up a symbol to determine whether it's a nonterminal or terminal.
3499 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
3500 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
3501
3502 Add prec/assoc information to XML output.
3503 * src/gram.c (grammar_rules_print_xml): For each rule that has a
3504 %prec, add a percent_prec attribute.
3505 * src/print-xml.c (print_grammar): For each terminal that has a
3506 precedence or associativity, add a prec or assoc attribute.
3507 (xml_indent): New.
3508 (xml_puts): Use xml_indent.
3509 (xml_printf): Use xml_indent.
3510 * src/print-xml.h (xml_indent): Prototype.
3511
3512 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
3513 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
3514
3515 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
3516
3517 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
3518 (bison:ruleByNumber): ... this for clarity.
3519 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
3520 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
3521 (xsl:template match="reduction"): Update.
3522 (xsl:template match="item"): Update.
3523 (xsl:template match="reduction"): Update.
3524
3525 In the XML output, don't print the list of rules where symbols appear.
3526 Compute it in XSLT instead. Discussed at
3527 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
3528 * data/xslt/bison.xsl (bison:ruleByLhs): New.
3529 (bison:ruleByRhs): New.
3530 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
3531 bison:ruleByRhs.
3532 (xsl:template match="terminal/rule"): Remove.
3533 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
3534 bison:ruleByRhs.
3535 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
3536 Remove.
3537 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
3538 bison:ruleByRhs and mode="number-link" for rule template.
3539 (xsl:template match="terminal/rule"): Remove.
3540 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
3541 bison:ruleByRhs and mode="number-link" for rule template.
3542 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
3543 Rewrite as...
3544 (xsl:template match="rule" mode="number-link"): ... this.
3545 * src/print-xml.c (print_grammar): Don't print the list of rules.
3546
3547 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
3548
3549 Don't let --report affect XML output; always print all information.
3550 Discussed at
3551 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
3552 * src/conflicts.c (log_resolution): Implement.
3553 * src/print-xml.c (print_core): Implement.
3554 (print_state): Implement.
3555 (print_xml): Implement.
3556
3557 * NEWS (2.3a+): Fix quotes.
3558 * src/parse-gram.y (prologue_declaration): For consistency with -v,
3559 don't let %verbose clear the list specified by --report.
3560
3561 2007-11-26 Akim Demaille <akim@epita.fr>
3562
3563 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
3564
3565 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
3566
3567 In the XML output, list useless and unused symbols and rules with the
3568 useful ones and add a "usefulness" attribute. Discussed starting at
3569 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
3570 * src/gram.c (grammar_rules_partial_print_xml): Remove.
3571 (grammar_rules_print_xml): Print all rules instead of just those
3572 useful in the grammar, and add a "usefulness" attribute.
3573 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
3574 * src/print-xml.c (print_rules_useless_in_parser): Remove.
3575 (print_grammar): Print all nonterminals instead of just useful ones,
3576 and add a "usefulness" attribute to nonterminals and terminals.
3577 (print_xml): Don't print a separate "reductions" or
3578 "rules-useless-in-parser" element.
3579 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
3580 (reduce_xml): Remove.
3581 (reduce_token_unused_in_grammar): New.
3582 (reduce_nonterminal_useless_in_grammar): New.
3583 * src/reduce.h (reduce_xml): Remove prototype.
3584 (reduce_token_unused_in_grammar): Add prototype.
3585 (reduce_nonterminal_useless_in_grammar): Add prototype.
3586 * data/xslt/xml2text.xsl: Update for XML changes.
3587 * data/xslt/xml2xhtml.xsl: Update for XML changes.
3588 * tests/reduce.at (Useless Terminals): Update output.
3589 (Useless Rules): Update output.
3590 (Reduced Automaton): Update output.
3591
3592 Say "Terminals unused in grammar" instead of "Unused terminals".
3593 * NEWS (2.3a+): Update.
3594 * doc/bison.texinfo (Understanding): Update example output.
3595 * src/reduce.c (reduce_output): Implement.
3596 * data/xslt/xml2text.xsl: Implement.
3597 * data/xslt/xml2xhtml.xsl: Implement.
3598
3599 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
3600
3601 Accept --report-file=FILE to override the default `.output' filename.
3602 * NEWS (2.3a+): Mention.
3603 * doc/bison.texinfo (Bison Options): Add an entry.
3604 * src/files.c (compute_output_file_names): Don't override
3605 spec_verbose_file if already set.
3606 * src/getargs.c (usage): Document --report-file.
3607 (REPORT_FILE_OPTION): New anonymous enum member.
3608 (long_options): Add entry for it.
3609 (getargs): Add case for it setting spec_verbose_file.
3610
3611 * build-aux/cross-options.pl: Don't record a short option just because
3612 there's an arg.
3613 * doc/.cvsignore: Add yacc.1.
3614
3615 2007-11-14 Akim Demaille <akim@epita.fr>
3616
3617 * doc/yacc.1.in: New.
3618 * configure.ac, doc/Makefile.am: Adjust.
3619 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
3620 config.h symbol.
3621 Use AC_SUBST for assignments too.
3622 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
3623
3624 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
3625
3626 * src/gram.c: Remove comments that duplicate comments in gram.h.
3627
3628 When reporting useless rules and nonterminals, say "useless in grammar"
3629 instead of "useless", and say "useless in parser" instead of "never
3630 reduced". Discussed starting at
3631 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
3632 * NEWS (2.3a+): Mention this change.
3633 * data/xslt/xml2text.xsl: Update output text and expected input XML
3634 element names to match changes below.
3635 * data/xslt/xml2xhtml.xsl: Likewise.
3636 (xsl:template match="bison-xml-report"): Add missing entry in Table of
3637 Contents: "Rules useless in parser due to conflicts".
3638 * doc/bison.texinfo (Decl Summary): Reword a little.
3639 (Understanding): Update example output for changes below.
3640 * src/gram.c: (rule_useful_p): Rename to...
3641 (rule_useful_in_grammar_p): ... this.
3642 (rule_useless_p): Rename to...
3643 (rule_useless_in_grammar_p): ... this.
3644 (rule_never_reduced_p): Rename to...
3645 (rule_useless_in_parser_p): ... this.
3646 (grammar_rules_print): Update for renames.
3647 (grammar_rules_print_xml): Update for renames.
3648 (grammar_rules_never_reduced_report): Rename to...
3649 (grammar_rules_useless_report): ... this since it is used for either
3650 kind of useless rule.
3651 * src/gram.h: Reword comments and update function names in prototypes.
3652 * src/main.c (main): Say "rule useless in parser due to conflicts".
3653 * src/print-xml.c (print_rules_never_reduced): Rename to...
3654 (print_rules_useless_in_parser): ... this, and rename output XML
3655 element "rules-never-reduced" to "rules-useless-in-parser".
3656 (print_xml): Update for rename.
3657 * src/print.c (print_results): Say "Rules useless in parser due to
3658 conflicts".
3659 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
3660 (nonterminals_reduce): Say "nonterminal useless in grammar".
3661 (reduce_output): Say "Nonterminals useless in grammar".
3662 Say "Rules useless in grammar".
3663 (reduce_xml): Rename output XML element "useless" to
3664 "useless-in-grammar".
3665 (reduce_print): Don't report the count of grammatically useless rules
3666 as "rules never reduced" just because %yacc is specified.
3667 In the correct report of this count, say nonterminal(s) and rule(s)
3668 "useless in grammar".
3669 * tests/conflicts.at (S/R in initial): Update expected output.
3670 (Defaulted Conflicted Reduction): Likewise.
3671 (Unreachable States After Conflict Resolution): Likewise.
3672 * tests/existing.at (GNU pic Grammar): Likewise.
3673 * tests/reduce.at (Useless Nonterminals): Likewise.
3674 (Useless Rules): Likewise.
3675 (Reduced Automaton): Likewise.
3676 (Underivable Rules): Likewise.
3677 (Empty Language): Likewise.
3678
3679 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
3680
3681 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
3682 here document and before the EOF so that BSD's implementation of Bourne
3683 shell doesn't parse the delimiter as part of the here document.
3684 * doc/.cvsignore: Add cross-options.texi.
3685 * src/getargs.c (usage): Add a blank line after the warning categories.
3686
3687 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
3688
3689 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
3690
3691 2007-11-05 Akim Demaille <akim@epita.fr>
3692
3693 Remove Id: from bison.1.
3694 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
3695 (perl -0777 -pi -e 's/\.PP\nId): New.
3696 (.x.1): Use it to ignore the version control revision.
3697
3698 2007-11-05 Akim Demaille <demaille@gostai.com>
3699
3700 * build-aux/Makefile.am: Ship cross-options.pl.
3701 * doc/Makefile.am: Always refer to cross-options.texi with
3702 $(srcdir).
3703 (MAINTAINERCLEANFILES): Add it.
3704
3705 2007-11-04 Akim Demaille <demaille@gostai.com>
3706
3707 Generate the long/short option cross-table.
3708 * build-aux/cross-options.pl: New.
3709 * doc/Makefile.am (cross-options.texi): New.
3710 * doc/bison.texinfo: Use it.
3711
3712 2007-11-04 Akim Demaille <demaille@gostai.com>
3713
3714 Generate bison.1 using help2man.
3715 * doc/common.x, doc/bison.x: New.
3716 * doc/Makefile.am (bison.1, .x.1): New.
3717 The code is taken from autoconf-2.61/man/Makefile.am.
3718 * configure.ac: Look for help2man.
3719
3720 2007-11-04 Akim Demaille <demaille@gostai.com>
3721
3722 Complete --help.
3723 * src/getargs.c (usage): Document -W, make it clear that -d,
3724 -g and -x have optional arguments.
3725
3726 2007-11-04 Akim Demaille <demaille@gostai.com>
3727
3728 Find sha1sum when named gsha1sum.
3729 * bootstrap (find_tool): New.
3730 ($SHA1SUM): New.
3731
3732 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3733
3734 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
3735 at
3736 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
3737 * NEWS (2.3a+): Mention.
3738 * data/bison.m4 (b4_pure_if): Don't define it here.
3739 * data/c.m4 (b4_identification): Depend on individual skeletons to
3740 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
3741 values of the %define variables api.pure or api.push_pull. Define
3742 YYPURE, YYPUSH, and YYPULL accordingly.
3743 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
3744 glr.cc has already defined b4_pure_flag.
3745 * data/push.c: Define b4_pure_if based on `%define api.pure'.
3746 Remove YYPUSH and YYPULL since they're back in b4_identification again.
3747 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
3748 * doc/bison.texinfo (Pure Decl): Update.
3749 (Push Decl): Update.
3750 (Decl Summary): Add api.pure to %define entry.
3751 In %pure-parser entry, say it's deprecated and reference %define.
3752 (Pure Calling): Update.
3753 (Error Reporting): Update.
3754 (C++ Scanner Interface): Update.
3755 (How Can I Reset the Parser): Update.
3756 (Table of Symbols): In %pure-parser entry, say it's deprecated and
3757 reference %define.
3758 * src/getargs.c (pure_parser): Remove global variable.
3759 * src/getargs.h (pure_parser): Remove extern.
3760 * src/output.c (prepare): Don't define pure_flag muscle.
3761 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
3762 wrapper around `%define api.pure'.
3763 * tests/calc.at (Simple LALR Calculator): Update.
3764 (Simple GLR Calculator): Update.
3765 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
3766 Update.
3767 (GLR: Resolve ambiguity, pure, locations): Update.
3768 (GLR: Merge conflicting parses, pure, no locations): Update.
3769 (GLR: Merge conflicting parses, pure, locations): Update.
3770 * tests/glr-regression.at (Uninitialized location when reporting
3771 ambiguity): Update
3772 * tests/input.at (Unused %define api.pure): New test case.
3773 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
3774 AT_PURE_IF and AT_PURE_AND_LOC_IF.
3775 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3776
3777 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3778
3779 %define push_pull -> %define api.push_pull. Discussed starting at
3780 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
3781 * data/push.c: Expect the new name.
3782 * data/yacc.c: Likewise.
3783 * doc/bison.texinfo (Push Decl): Update.
3784 (Decl Summary): Update %define entry.
3785 (Push Parser Function): Update.
3786 (Pull Parser Function): Update.
3787 (Parser Create Function): Update.
3788 (Parser Delete Function): Update.
3789 * tests/calc.at (Simple LALR Calculator): Update.
3790 * tests/input.at (%define enum variables): Update.
3791 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3792 (Push Parsing: Multiple impure instances): Update.
3793 (Push Parsing: Unsupported Skeletons): Update.
3794 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
3795 (Exploding the Stack Size with Malloc): Update.
3796
3797 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
3798 other entries some.
3799
3800 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
3801
3802 For the XML output's terminal element, rename @number to @token-number,
3803 and add @symbol-number. In the nonterminal element, rename @number to
3804 @symbol-number. Discussed starting at
3805 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
3806 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
3807 renames.
3808 (xsl:template match="nonterminal"): Likewise.
3809 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
3810 (xsl:template match="nonterminal"): Likewise.
3811 * src/print-xml.c (print_grammar): Implement.
3812
3813 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3814
3815 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
3816 2007-10-11 change, the child elements here are items not rules.
3817 (xsl:template match="item"): New.
3818 (xsl:template match="rule"): Update for new reduced itemset.
3819 (xsl:template match="point"): Remove.
3820 (xsl:template match="empty"): For consistency with --graph, don't
3821 output "/* empty */".
3822 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
3823 line-wrap, don't pass a negative value as first-line-length since this
3824 won't work with the following changes.
3825 (xsl:template name="line-wrap"): Simplify slightly.
3826 (xsl:template name="ws-search"): Eliminate recursion.
3827 * src/print_graph.c (print_core): Don't print a reduction's lookahead
3828 set next to an item whose dot is not at the end of the RHS even if it
3829 happens to be associated with the same rule.
3830
3831 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3832
3833 Add %define lr.keep_unreachable_states.
3834 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
3835 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
3836 * src/main.c (main): Implement it.
3837 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3838 Extend to test it, and fix a typo.
3839
3840 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3841
3842 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
3843 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
3844 the example .output text.
3845 * tests/regression.at (Extra lookahead sets in report): Improve wording
3846 of comments.
3847
3848 2007-10-17 Wojciech Polak <polak@gnu.org>
3849
3850 * src/print-xml.c (print_grammar): Renamed
3851 <terminal> and <nonterminal> attributes:
3852 "type" to "number" and "symbol" to "name".
3853 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
3854 Use new attribute names.
3855 (xsl:template match="nonterminal"): Likewise.
3856 * data/xslt/xml2xhtml.xsl: Likewise.
3857
3858 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
3859
3860 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
3861 (Option Cross Key): Likewise.
3862
3863 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
3864 next to an item whose dot is not at the end of the RHS even if it
3865 happens to be associated with the same rule.
3866 * src/print.c (print_core): Likewise.
3867 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
3868 (Resolved SR Conflicts): Update output.
3869 * tests/regression.at (Extra lookahead sets in report): New test case.
3870
3871 2007-10-11 Wojciech Polak <polak@gnu.org>
3872
3873 * src/print-xml.c (print_core): Remove item set
3874 redundancy.
3875 * data/xslt/bison.xsl (bison:ruleNumber): New key.
3876 Improve processing time. Suggested by Joel E. Denny.
3877 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
3878 Write xsl:param "required" attribute as comment.
3879 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
3880 (xsl:template match="rule"): Support new reduced itemset.
3881 (xsl:template match="point"): Remove.
3882 * data/xslt/xml2xhtml.xsl: Likewise.
3883
3884 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3885
3886 * src/getargs.c (version): Update copyright year.
3887
3888 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3889
3890 Make xml2dot.xsl and --graph produce the same output.
3891 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
3892 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
3893 escaped later.
3894 (xsl:template name="output-node"): Use the new escape template instead
3895 of the string-replace template directly.
3896 (xsl:template name="output-edge"): Likewise.
3897 (xsl:template name="escape"): New, escapes backslashes and newlines in
3898 addition to quotation marks.
3899 * src/graphviz.c (start_graph, output_node, output_edge): Add
3900 whitespace to output for legibility.
3901
3902 Make xml2text.xsl and --report produce the same output, and remove the
3903 XML "conflicts" element since a conflict summary is easily extracted
3904 from the automaton.
3905 * data/xslt/bison.xsl: New.
3906 (xsl:template match="state" mode="bison:count-conflicts): New.
3907 * data/xslt/xml2text.xsl: Import bison.xsl.
3908 (xsl:template match="bison-xml-report"): Instead of styling the
3909 "conflicts" element, style the "automaton" element with mode
3910 "conflicts". Unlike the former, the latter lists S/R and R/R
3911 conflicts for a state on the same line.
3912 (xsl:template match="conflicts"): Remove.
3913 (xsl:template match="conflict"): Remove.
3914 (xsl:template match="terminal"): Line-wrap the list of rules in which
3915 the terminal is used.
3916 (xsl:template match="nonterminal"): Likewise for nonterminals.
3917 (xsl:template match="automaton" mode="conflicts"): New.
3918 (xsl:template match="state" mode="conflicts"): New.
3919 (xsl:template name="line-wrap"): New.
3920 (xsl:template name="ws-search"): New.
3921 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
3922 (xsl:template match="bison-xml-report"): Instead of styling the
3923 "conflicts" element, style the "automaton" element with mode
3924 "conflicts."
3925 (xsl:template match="conflicts"): Remove.
3926 (xsl:template match="conflict"): Remove.
3927 (xsl:template match="automaton" mode="conflicts"): New.
3928 (xsl:template match="state" mode="conflicts): New.
3929 * src/conflicts.c (conflicts_output_xml): Remove.
3930 * src/conflicts.h (conflicts_output_xml): Remove prototype.
3931 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
3932 * src/print.c (print_grammar): Consistently wrap at the 66th column so
3933 the corresponding XSLT is easier. Also, never wrap between a word and
3934 the comma that follows it.
3935
3936 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3937
3938 Improve C++ namespace support. Discussed starting at
3939 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
3940 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
3941 b4_namespace_close): New macros that interpret the %define variable
3942 "namespace" so its value can contain "::" to indicate nested
3943 namespaces.
3944 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
3945 the above macros.
3946 * data/lalr1.cc (b4_namespace): Likewise.
3947 * data/location.cc (b4_namespace): Likewise.
3948 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
3949 inside a new table in the general %define entry. Document `%define
3950 namespace' there as well. Point the %name-prefix entry to it since it
3951 explains it more completely in the case of C++.
3952 (C++ Bison Interface): Mention `%define namespace' instead of
3953 %name-prefix.
3954 (Table of Symbols): Remove the `%define push_pull' entry. The %define
3955 entry suffices.
3956 * tests/c++.at (Relative namespace references): New test case.
3957 (Absolute namespace references): New test case.
3958 (Syntactically invalid namespace references): New test case.
3959 * tests/input.at (C++ namespace reference errors): New test case.
3960
3961 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3962
3963 Add syncline support and location accessor to internal %define
3964 interfaces.
3965 * data/bison.m4 (b4_percent_define_get_loc): New.
3966 (b4_percent_define_get_syncline): New.
3967 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
3968 (b4_percent_define_default): Record defining location as line 1 rather
3969 than 0 for the sake of synchronizing #line's, and define
3970 b4_percent_define_syncline(VARIABLE).
3971 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
3972 * src/muscle_tab.c (muscle_syncline_grow): New.
3973 (muscle_code_grow): Use muscle_syncline_grow.
3974 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
3975 define b4_percent_define_syncline(VARIABLE).
3976 (muscle_percent_define_get_loc): New.
3977 (muscle_percent_define_get_syncline): New.
3978 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
3979 remove some unused variables.
3980 (muscle_percent_define_default): Record defining location as line 1
3981 rather than 0 for the sake of synchronizing #line's, and define
3982 b4_percent_define_syncline(VARIABLE).
3983 (muscle_percent_define_check_values): Use
3984 muscle_percent_define_get_loc.
3985 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
3986 (muscle_percent_define_get_syncline): Prototype.
3987 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3988 defaults): Update output for location change.
3989 (Complaining during macro argument expansion): Extend to test
3990 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
3991
3992 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
3993
3994 Fix some error-reporting macro bugs.
3995 * data/bison.m4 (b4_cat): New.
3996 (b4_error, b4_error_at): Use b4_cat to send error directives directly
3997 to stdout so they don't become arguments to other macros. Update
3998 comments and add examples.
3999 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
4000 add examples.
4001 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
4002 after printing the error directive so that M4 doesn't report subsequent
4003 problems that are induced by this problem.
4004 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
4005 instead of just in them. Recognize @\n in both places. Both expand to
4006 the empty string. Needed by b4_cat.
4007 * tests/skeletons.at (Complaining during macro argument expansion):
4008 New test case.
4009 (Fatal errors make M4 exit immediately): New test case.
4010
4011 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
4012
4013 Implement --print-datadir.
4014 * src/getargs.c (usage): Mention.
4015 (PRINT_DATADIR_OPTION): New anonymous enum member.
4016 (long_options): Add entry for it.
4017 (getargs): Add case for it calling compute_pkgdatadir.
4018 * src/output.c (output_skeleton): Encapsulate data directory
4019 computation from here...
4020 (prepare): ... and from here...
4021 (compute_pkgdatadir): ... into this new function.
4022 * src/output.h (compute_pkgdatadir): Prototype.
4023
4024 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
4025
4026 * src/print-xml.c (escape_bufs): New static global variable
4027 replacing...
4028 (xml_escape_n): ... the static local variable buf here.
4029 (print_xml): Free memory for escape_bufs.
4030 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
4031
4032 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
4033
4034 Replace `%push-parser' and `%push-pull-parser' with
4035 `%define push_pull "push"' and `%define push_pull "both"'.
4036 `%define push_pull "pull"' is the default.
4037 * doc/bison.texinfo (Push Decl, Push Parser Function,
4038 Pull Parser Function, Parser Create Function, Parser Delete Function):
4039 Update declarations.
4040 (Decl Summary, Table of Symbols): Replace %push-parser and
4041 %push-pull-parser entries with a %define push_pull entry.
4042 * data/bison.m4 (b4_percent_define_check_values): New macro.
4043 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
4044 definitions...
4045 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
4046 definitions...
4047 * data/push.c: ... to here and compute them from the value of the
4048 %define variable push_pull.
4049 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
4050 parsing requests here...
4051 * data/yacc.c: ... hack this to switch to push.c any time
4052 b4_use_push_pull_flag or the %define variable push_pull is set. This
4053 will go away when we mv push.c yacc.c.
4054 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
4055 push parsing is not supported since unused %define variables are
4056 reported anyway.
4057 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
4058 * src/muscle_tab.h (muscle_percent_define_check_values): Update
4059 comments for consistency with b4_percent_define_check_values.
4060 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
4061 muscles.
4062 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
4063 Remove.
4064 (prologue_declaration): Remove %push-parser and %push-pull-parser
4065 rules.
4066 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
4067 * tests/calc.at: Update declarations.
4068 * tests/input.at (%define enum variables): New test case.
4069 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
4070 declaration.
4071 (Push Parsing: Multiple impure instances): Update declaration.
4072 (Push Parsing: Unsupported Skeletons): New test case.
4073 * tests/torture.at (Exploding the Stack Size with Alloca): Update
4074 declaration.
4075 (Exploding the Stack Size with Malloc): Update declaration.
4076
4077 2007-09-24 Wojciech Polak <polak@gnu.org>
4078
4079 Add XSLT transformations.
4080
4081 * data/xslt/xml2dot.xsl: Transform XML into DOT.
4082 * data/xslt/xml2text.xsl: Transform XML into plain text.
4083 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
4084 * data/Makefile.am (xsltdir): New variable.
4085 (dist_xslt_DATA): Add xslt/*.xsl files.
4086
4087 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
4088
4089 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
4090 Problem reported by Wojciech Polak.
4091 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
4092 (xml_printf): Undo change I made on 21 September; that is,
4093 indent 2 spaces, not 1.
4094
4095 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
4096
4097 Pacify ./configure --enable-gcc-warnings.
4098 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
4099 `char const *' instead of `char *'.
4100 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
4101 local variable `sep'.
4102
4103 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
4104
4105 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
4106 elsewhere.
4107 * src/print-xml.c: Prefer "const" after types; that's more consistent.
4108 (xml_printf): Indent just 1 space for level.
4109 (e_char, xlate_char): Remove.
4110 (xml_escape_string): Rewrite to avoid undefined behavior (used
4111 storage that was freed from the stack).
4112 (xml_escape_n): Don't bother checking for subscript error.
4113
4114 2007-09-21 Wojciech Polak <polak@gnu.org>
4115
4116 Add Bison XML Automaton Report.
4117
4118 Add support for an -x option to generate an XML report.
4119 It is not documented yet.
4120 * src/print-xml.c: New file.
4121 * src/print-xml.h: Likewise.
4122 * lib/timevar.def (TV_XML): New var.
4123 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
4124 * src/conflicts.c: Include print-xml.h.
4125 (solved_conflicts_xml_obstack): New var.
4126 (log_resolution, conflicts_solve, conflicts_free):
4127 Add support for XML report.
4128 (conflicts_output_val): New function.
4129 * src/conflicts.h (conflicts_output_val): New decl.
4130 * src/files.c (spec_xml_file): New var.
4131 (compute_output_file_names, output_file_names_free): Add XML support.
4132 * src/files.h (spec_xml_file): New decl.
4133 * src/getargs.c (xml_flag): New var.
4134 (usage, short_options, long_options, getargs): Add XML support.
4135 * src/getargs.h (xml_flag): New decl.
4136 * src/gram.c: Include print-xml.h.
4137 (rule_lhs_print_xml, rule_rhs_print_xml):
4138 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
4139 New functions.
4140 * src/gram.h: Declare external ones.
4141 * src/main.c: Include print-xml.h.
4142 (main): Add XML support.
4143 * src/reduce.c: Include print-xml.h.
4144 (reduce_xml): New function.
4145 * src/reduce.h: Declare it.
4146 * src/state.c: Include print-xml.h.
4147 (state_new): Add XML support.
4148 (state_rule_lookahead_tokens_print_xml): New function.
4149 * src/state.h: Declare it.
4150 (struct state): New member solved_conflicts_xml.
4151 * src/symtab.c (symbol_class_get_string): New function.
4152 * src/symtab.h: Declare it.
4153
4154 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
4155
4156 * GNUmakefile: Switch to coreutils's version.
4157 * bootstrap: Likewise.
4158 * Makefile.cfg: Adjust to new GNUmakefile.
4159 * README-hacking: Likewise.
4160
4161 Import from gnulib:
4162
4163 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
4164 Bruno Haible <bruno@clisp.org>
4165
4166 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
4167 and is a script that invokes bison. Tighten the code. Add comments.
4168
4169 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
4170
4171 Spell "boolean" as "Boolean". Reported by Akim Demaille.
4172 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
4173 * doc/bison.texinfo (Decl Summary): Fix.
4174 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
4175 * tests/input.at (Boolean %define variables): Update output.
4176 * tests/skeletons.at (%define boolean variables: invalid skeleton
4177 defaults): Rename to...
4178 (%define Boolean variables: invalid skeleton defaults): ... this and
4179 update output.
4180
4181 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
4182
4183 In impure push mode, don't allow more than one yypstate to be allocated
4184 since multiple impure parsers would corrupt yynerrs.
4185 * data/push.c (yypstate_allocated): New static global variable
4186 initialized to 0.
4187 (yypull_parse): If yypstate_new returns 0, don't report it as memory
4188 exhaustion if yypstate_allocated is 1, but still return 2.
4189 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
4190 already 1. Otherwise, set it to 1.
4191 (yypstate_delete): Set it to 0.
4192 * tests/push.at (Push Parsing: Multiple impure instances): New test
4193 case.
4194
4195 2007-08-17 Bob Rossi <bob@brasko.net>
4196
4197 * doc/bison.texinfo (Push Decl): Document the push parser.
4198 (Table of Symbols): Ditto.
4199 (Pure Decl): Ditto.
4200 (Decl Summary): Ditto.
4201 (Multiple Parsers, Push Parser Function, Pull Parser Function,
4202 Parser Create Function, Parser Delete Function):
4203 Add new push parser symbols.
4204 (Table of Symbols): Document push-parser, push-pull-parser,
4205 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
4206
4207 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
4208
4209 Update to GPLv3.
4210 * doc/gpl-3.0.texi: New file.
4211 * doc/gpl.texi: Remove.
4212 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
4213 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
4214 * README-hacking, TODO, bootstrap, bootstrap.conf:
4215 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
4216 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
4217 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
4218 * data/lalr1.cc, data/lalr1.java, data/location.cc:
4219 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
4220 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
4221 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
4222 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
4223 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
4224 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
4225 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
4226 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
4227 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
4228 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
4229 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
4230 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
4231 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
4232 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
4233 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
4234 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
4235 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
4236 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
4237 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
4238 * src/complain.c, src/complain.h, src/conflicts.c:
4239 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
4240 * src/files.h, src/flex-scanner.h, src/getargs.c:
4241 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
4242 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
4243 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
4244 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
4245 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
4246 * src/print.c, src/print.h, src/print_graph.c:
4247 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
4248 * src/reduce.h, src/relation.c, src/relation.h:
4249 * src/revision.h, src/scan-code.h, src/scan-code.l:
4250 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
4251 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
4252 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
4253 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
4254 * tests/Makefile.am, tests/actions.at, tests/c++.at:
4255 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
4256 * tests/existing.at, tests/glr-regression.at:
4257 * tests/headers.at, tests/input.at, tests/java.at:
4258 * tests/local.at, tests/output.at, tests/push.at:
4259 * tests/reduce.at, tests/regression.at, tests/sets.at:
4260 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
4261 * tests/torture.at:
4262 Update to GPLv3.
4263
4264 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
4265
4266 Get rid of broken %no-parser, -n, and --no-parser implementation and
4267 documentation.
4268 * TODO: Don't mention them.
4269 * doc/bison.1: Likewise.
4270 * doc/bison.texinfo (Decl Summary): Likewise.
4271 (Bison Options): Likewise.
4272 (Option Cross Key): Likewise.
4273 * src/getargs.c (no_parser_flag): Remove global variable.
4274 (usage): Don't print description of -n and --no-parser.
4275 (long_options): Remove --no-parser entry here.
4276 (getargs): Remove -n case in the switch here.
4277 * src/getargs.h (no_parser_flag): Remove extern.
4278 * tests/regression.at (Web2c Actions): Remove comment that mentions
4279 --no-parser.
4280
4281 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
4282
4283 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
4284 name user variables starting with `yy'. Just pass NULL instead of a
4285 dummy local &yylval to yypush_parse.
4286 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
4287 starting with `yy'.
4288
4289 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
4290
4291 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
4292 true since it's then always used regardless of whether yyoverflow is
4293 defined. Reported by Christian Burger at
4294 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
4295 * THANKS: Add Christian Burger.
4296
4297 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4298 node names: say "Decl Summary" not "Bison Declaration Summary".
4299
4300 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
4301
4302 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
4303 determine whether this function has already complained about an invalid
4304 value for a %define boolean variable, don't check whether Bison has
4305 ever examined the value. As written, the check was a tautology.
4306 Instead, record and check for this complaint using a separate muscle.
4307
4308 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
4309
4310 Fix push parsing memory leak reported by Brandon Lucia at
4311 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
4312 * THANKS: Add Brandon Lucia.
4313 * data/push.c (yypstate_delete): Free the stack if it was reallocated
4314 but the parse never completed and thus freed it.
4315 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
4316 * tests/testsuite.at: Include push.at.
4317 * test/push.at: New.
4318 (Push Parsing: Memory Leak for Early Deletion): New test case.
4319
4320 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
4321
4322 Improve handling of multiple S/R conflicts in the same state and of S/R
4323 conflicts involving multiple reductions.
4324 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
4325 set for a state here or Bison will abort if it is reassigned on a
4326 later conflicted reduction in the same state.
4327 Similarly, don't finalize and assign the solved conflicts report here
4328 or it will be lost if it is reassigned on a later conflicted reduction
4329 in the same state.
4330 (set_conflicts): Instead, assign them both here after all S/R conflicts
4331 in the state have been fully examined.
4332 * src/print.c (shift_set): Rename to...
4333 (no_reduce_set): ... this.
4334 (print_reductions): Update for rename, and add %nonassoc error action
4335 tokens to no_reduce_set so that, when printing the first remaining
4336 reduction on an error action token, the reduction is enclosed in
4337 brackets.
4338 (print_results): Update for rename.
4339 * tests/conflicts.at (Solved conflicts report for multiple reductions
4340 in a state): New test case.
4341 (%nonassoc error actions for multiple reductions in a state): New test
4342 case.
4343
4344 * src/main.c (main): Don't depend on C99 features.
4345
4346 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
4347
4348 * build-aux/.cvsignore: Add compile.
4349 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
4350 uniwidth.
4351
4352 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
4353
4354 * bootstrap (slurp): Create target directories that don't exist.
4355 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
4356
4357 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
4358
4359 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
4360 than item number.
4361 * closure.c (closure): Likewise.
4362 * state.h (reductions): Comment sorting of rules.
4363 (state): Comment sorting of items.
4364
4365 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
4366
4367 Fix C++ test cases after recent Gnulib changes. Discussed starting at
4368 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
4369 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
4370 definition in order to avoid Gnulib headers since we don't use config.h
4371 here.
4372 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
4373 rather than AT_DATA so that config.h is included.
4374
4375 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
4376
4377 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
4378 instead of fprintf. Guard these functions with #if YYDEBUG instead of
4379 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
4380 and so that YYFPRINTF is guaranteed to be defined here.
4381
4382 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
4383
4384 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
4385 with...
4386 (muscle_percent_define_check_values): ... this more helpful function.
4387 Again, it's not used yet, but it will be.
4388 * src/muscle_tab.h: Likewise.
4389
4390 Improve some comments in parser table construction.
4391 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
4392 (generate_states): Don't mention ruleset, which is internal to closure.
4393 * src/closure.c (closure): Explain sorting of core and itemset, which
4394 is required for this function to behave correctly.
4395 * src/closure.h (closure): Mention sorting.
4396
4397 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
4398
4399 * src/lalr.c (state_lookahead_tokens_count): For code readability,
4400 move the check for disabled transitions to an aver since conflict
4401 resolution hasn't happened yet.
4402
4403 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
4404 labels a state as inconsistent just because it has error transitions.
4405 The original form of this check appeared in revision 1.1 of lalr.c,
4406 which was committed on 1991-12-21. Now (at least), changing the
4407 consistency label on such a state appears to have no useful effect in
4408 any of the places it is examined, which I enumerate below. The key
4409 point to understanding each item in this enumeration is that a state
4410 with an error transition is labelled consistent in the first place only
4411 if it has no rules, so the check cannot matter for states that have
4412 rules. (1) Labelling a state as inconsistent will cause set_conflicts
4413 to try to identify its conflicts, and a state must have *rules* to have
4414 conflicts. (2) Labelling a state as inconsistent will affect how
4415 action_row sets the default *rule* for the state. (3) Labelling a
4416 state as inconsistent will cause build_relations to add lookback edges
4417 to *rules* in that state.
4418 * src/state.h (struct state): Word the comment for member consistent
4419 more carefully.
4420
4421 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
4422
4423 Don't depend on C99 features.
4424 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
4425 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
4426 * src/reader.c (check_and_convert_grammar): Fix for-loop.
4427 * src/state.c (state_mark_reachable_states): Fix for-loop.
4428 (state_remove_unreachable_states): Fix for-loop.
4429
4430 Don't widen struct state with member reachable just to temporarily
4431 record reachability. Instead, use a local bitset.
4432 * src/state.h (struct state): Remove member.
4433 * src/state.c (state_new): Don't initialize it.
4434 (state_mark_reachable_states): Rename to...
4435 (state_record_reachable_states): ... this, and use bitset.
4436 (state_remove_unreachable_states): Use bitset.
4437
4438 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
4439
4440 * src/Makefile.am (yacc): Quote target action commands properly so
4441 that the yacc script isn't corrupt. Reported by Hans Aberg at
4442 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
4443
4444 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
4445 the case of pure parsers. Reported by Frans Englich at
4446 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
4447 * THANKS: Add Frans Englich.
4448
4449 * NEWS (2.3a+): In the %code entry, reference section `Bison
4450 Declaration Summary' from the manual now since the %code summary has
4451 moved there.
4452 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
4453 in the rules section must be terminated by semicolons.
4454
4455 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
4456
4457 Extend the front-end API for %define variables to more completely
4458 mirror the back-end. This will be useful in the future.
4459 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
4460 Update comments to mention the new front-end counterparts of these
4461 macros.
4462 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
4463 for muscle_string_decode and muscle_location_decode.
4464 (muscle_string_decode): New static function.
4465 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
4466 (muscle_percent_define_get, muscle_percent_define_ifdef): New
4467 functions.
4468 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
4469 muscle_percent_define_get to mimic the b4_percent_define_flag_if
4470 implementation more closely.
4471 (muscle_percent_define_invalid_value): New function.
4472 * src/muscle_tab.h (muscle_percent_define_get,
4473 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
4474 Prototype.
4475
4476 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
4477
4478 * NEWS (2.3a+): Mention yesterday's state-removal change.
4479 (2.3a): Remove the %language entry, which was added after 2.3a.
4480 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
4481 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
4482 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
4483 tests/existing.at: Update copyright date.
4484
4485 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
4486
4487 If conflict resolution makes states unreachable, remove those states,
4488 report rules that are then unused, and don't report conflicts in those
4489 states.
4490 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
4491 New global function.
4492 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
4493 function.
4494 * src/main.c (main): After conflict resolution, remove the unreachable
4495 states and update all data structures that reference states by number.
4496 * src/state.c (state_new): Initialize each state's reachable member to
4497 false.
4498 (state_mark_reachable_states): New static function.
4499 (state_remove_unreachable_states): New global function.
4500 * src/state.h (struct state): Add member bool reachable.
4501 (state_remove_unreachable_states): Prototype.
4502 * tests/conflicts.at (Unreachable States After Conflict Resolution):
4503 New test case.
4504 * tests/existing.at (GNU pic Grammar): Update test case output now that
4505 an unused rule is discovered.
4506
4507 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
4508
4509 Minor code cleanup in parser table construction.
4510 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
4511 (new_itemsets, save_reductions): Update for rename to nitemset.
4512 * src/closure.c (nritemset): Rename to...
4513 (nitemset): ... this since the "r" appears to meaningless and isn't
4514 used in the comments.
4515 (closure): Update for rename.
4516 * src/closure.h (nritemset): Update extern to...
4517 (nitemset): ... this.
4518 * src/lalr.c (LA): Fix a typo in comments.
4519 * src/print.c (print_core): Update for rename to nitemset.
4520 * src/print_graph.c (print_graph): Likewise.
4521 * src/state.h: Fix some typos in header comments.
4522
4523 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
4524
4525 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
4526 still sticks to ASCII. Sorry!
4527
4528 * README-hacking: New file, taken mostly from coreutils, with changes
4529 for Bison. Contains much of the contents of:
4530 * README-cvs: Remove.
4531 * bootstrap: Sync from gnulib.
4532 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
4533 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
4534
4535 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
4536
4537 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
4538 Setzer.
4539 (Java Differences): Fix some typos.
4540 * THANKS: Add Sebastian Setzer.
4541
4542 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
4543
4544 * data/java.m4 (b4_single_class_if): Remove.
4545 (b4_abstract_if): Look at "%define abstract".
4546 (b4_lexer_if): New.
4547 (b4_union_name): Rename...
4548 (b4_yystype): ... to this. Map to "%define stype".
4549 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
4550 b4_maybe_throws): Fix quoting.
4551 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
4552 * data/lalr1.java (Lexer interface): Always define.
4553 (Lexer interface within parser class): Remove.
4554 (YYLexer class): New, used when "%code lexer" is present.
4555 (constructor): When "%code lexer" is used, pass %lex-param
4556 to the lexer constructor.
4557 (yylex, yyparse): Remove %lex-param from method invocations
4558 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
4559
4560 * doc/bison.texinfo (Java Bison Interface): Mention "%define
4561 abstract". Rename "%define union_name" to "%define stype".
4562 Rename method names according to previous patch.
4563 (Java Scanner Interface): Describe "%code lexer" instead of
4564 "%pure-parser" and "%define single_class".
4565 (Java Differences): Mention "%code lexer".
4566
4567 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
4568 Include scanner here, using macros from tests/local.at.
4569 (AT_DATA_CALC_Y): Remove final argument.
4570 (_AT_CHECK_JAVA_CALC): Likewise.
4571 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
4572 of %locations and %error-verbose.
4573 (main): Test with and without %lex-param.
4574 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
4575 (AT_BISON_OPTION_POPDEFS): Pop it.
4576
4577 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4578
4579 DJGPP spefic issue. Inhibit the use of disallowed characters for
4580 file name genertion on Win98, WinXP, etc. These are |<>":?*\
4581 and concern testsuite case 46.
4582 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
4583 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
4584 * djgpp/config.bat: Inhibit the use of disallowed characters.
4585
4586 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
4587
4588 Miscellaneous %define and %code cleanup.
4589 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
4590 values are interpreted.
4591 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
4592 documentation a little more.
4593 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
4594 muscle_percent_define_insert, muscle_percent_code_grow): New
4595 functions/macros.
4596 * src/muscle_tab.h (muscle_percent_define_insert,
4597 muscle_percent_code_grow): Prototype.
4598 * src/parse-gram.y (prologue_declaration): Use
4599 muscle_percent_define_insert and muscle_percent_code_grow when parsing
4600 %define and %code directives.
4601
4602 Make it easy to share %define boolean variables between the front-end
4603 and back-end. Though not used yet, this will be useful in the future.
4604 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
4605 Bison uses of names rather than just skeleton uses of names.
4606 (b4_percent_define_get, b4_percent_define_ifdef): Rename
4607 b4_percent_define_skeleton_variables(VARIABLE) to
4608 b4_percent_define_bison_variables(VARIABLE).
4609 (b4_percent_code_get, b4_percent_code_ifdef): Rename
4610 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
4611 b4_percent_code_bison_qualifiers(QUALIFIER).
4612 (b4_check_user_names_wrap): Update for renames.
4613 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
4614 muscle_percent_define_default): New functions mimicking
4615 b4_percent_define_flag_if and b4_percent_define_default.
4616
4617 For %define variables, report locations for invalid values and
4618 redefinitions.
4619 * data/bison.m4 (b4_percent_define_flag_if): Read
4620 b4_percent_define_loc(VARIABLE) to report the location of an invalid
4621 value for VARIABLE.
4622 (b4_percent_define_default): Save a special location in
4623 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
4624 must later be reported as invalid.
4625 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
4626 functions.
4627 (muscle_percent_define_insert): Record the location of VARIABLE in
4628 muscle percent_define_loc(VARIABLE), and use it to report the previous
4629 location for a redefinition.
4630 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
4631 (muscle_percent_define_default): Update like b4_percent_define_default.
4632 (muscle_grow_user_name_list): Rename to...
4633 (muscle_user_name_list_grow): ... this for consistency and use
4634 muscle_location_grow.
4635 * src/muscle_tab.h (muscle_location_grow): Prototype.
4636 * tests/input.at (%define errors): Update expected output.
4637 * tests/skeletons.at (%define boolean variables: invalid skeleton
4638 defaults): New test case.
4639
4640 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
4641
4642 * src/print.c (lookahead_set, state_default_rule): Remove.
4643 (print_reductions): Replace state_default_rule invocation with
4644 equivalent use of yydefact, which was computed in token_actions in
4645 tables.c.
4646 (print_results): Don't allocate lookahead_set.
4647
4648 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
4649
4650 * data/lalr1.java: Prefix all private members with yy.
4651
4652 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
4653
4654 Use YYFPRINTF instead of fprintf where appropriate. Reported by
4655 Sebastien Fricker at
4656 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
4657 * THANKS: Add Sebastien Fricker.
4658 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
4659 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
4660 accept a variable number of arguments.
4661
4662 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
4663
4664 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
4665
4666 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4667
4668 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
4669 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
4670 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
4671
4672 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
4673
4674 Undo my 2007-02-07 change, switching back to the c-strcase module
4675 introduced in the 2007-02-03 change. Bruno Haible reported that
4676 the 2007-02-07 change would be dangerous in Turkish if we add a
4677 language whose name contains "i", since "i" is not lowercase "I"
4678 in Turkish.
4679 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
4680 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
4681 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
4682 * m4/.cvsignore: Remove strcase.m4.
4683 * src/getargs.c: Revert 2007-02-07 change, as follows.
4684 Include c-strcase.h.
4685 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
4686
4687 2007-02-11 Bruno Haible <bruno@clisp.org>
4688
4689 Enable the Java related testsuite tests when the only Java compiler
4690 found is a gcj < 4.3. Discussed at
4691 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
4692 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
4693
4694 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
4695
4696 * data/Makefile.am: Update copyright date.
4697 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
4698 yypstate_new returns NULL.
4699 (yypstate_new): Return NULL if malloc does.
4700 * src/reader.c (packgram): Move translation of rule actions from the
4701 beginning of packgram to...
4702 (check_and_convert_grammar): ... here right before packgram is invoked
4703 so it's easier to write more complete comments, and remove redundant
4704 code.
4705
4706 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
4707
4708 As in semantic actions, make @$ in %initial-action, %destructor, and
4709 %printer imply %locations.
4710 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
4711 scanning @$.
4712 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
4713 (@$ in %initial-action implies %locations,
4714 @$ in %destructor implies %locations,
4715 @$ in %printer implies %locations): ... these new test cases.
4716
4717 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
4718
4719 Undo most of the 2007-02-03 change, switching to the strcase module
4720 now that gnulib strcase has been fixed.
4721 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
4722 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
4723 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
4724 * m4/.cvsignore: Add strcase.m4.
4725 * src/getargs.c: Revert 2007-02-03 change, as follows.
4726 Don't include c-strcase.h.
4727 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
4728 strcasecmp has "unspecified behavior" outside the POSIX locale,
4729 but it works fine in practice if at least one argument is ASCII,
4730 as is the case in Bison.
4731
4732 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
4733
4734 * tests/java.at: Skip tests if only one of javac/java is present.
4735 Reported by Joel E. Denny.
4736 * tests/atlocal.in: Adjust copyright years.
4737
4738 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
4739
4740 * data/lalr1.java (Stack): Work around old verifiers that disallow
4741 access to the private fields of an inner class, from the outer class.
4742 We can make Stack's fields public because user code doesn't have access
4743 to the instance of Stack used by parse(). Reported by Paul Eggert.
4744
4745 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
4746
4747 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
4748 the right spot for these files?
4749 * bootstrap.conf (gnulib_modules): Add c-strcase.
4750 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
4751 c-strncasecmp.c.
4752 * src/getargs.c: Include c-strcase.h.
4753 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
4754 to avoid unspecified behavior.
4755
4756 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
4757
4758 * doc/bison.texinfo (Decl Summary): Correct typo.
4759
4760 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
4761
4762 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
4763 Complain if the value does not match empty, "true" or "false".
4764 * data/c++.m4: Adjust default definitions of %define variables.
4765 * data/java.m4: Adjust default definitions of %define variables.
4766 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
4767 to above behavior.
4768 * tests/input.at (Boolean %define variables): Test new behavior.
4769
4770 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
4771
4772 * NEWS: Mention java.
4773 * TODO: Remove things that are done.
4774 * bootstrap.conf: Add javacomp-script and javaexec-script.
4775 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
4776
4777 * data/Makefile.am: Add new files.
4778 * data/java-skel.m4: New.
4779 * data/java.m4: New.
4780 * data/lalr1.java: New.
4781
4782 * doc/bison.texinfo: Put "A Complete C++ Example" under
4783 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
4784 under Other Languages.
4785
4786 * src/getargs.c (valid_languages): Add Java.
4787 * src/getargs.h (struct bison_language): Update size of string fields.
4788
4789 * tests/Makefile.am: Add java.at.
4790 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
4791 * tests/java.at: New.
4792 * tests/testsuite.at: Include it.
4793
4794 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
4795
4796 Clean up.
4797 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
4798 at_directive_argv arguments so these no longer have to be global
4799 variables. Also, update the implementation for the following changes.
4800 (fail_for_at_directive_too_many_args,
4801 fail_for_at_directive_too_few_args): Add at_directive_name argument.
4802 (at_directive_name): Remove as at_directive_argv[0] will be used for
4803 this now.
4804 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
4805 for the directive name.
4806 (at_directive_argc, at_directive_argv): Make these local within
4807 skel_lex instead of global.
4808 (INITIAL): Update directive start action for above changes.
4809 (SC_AT_DIRECTIVE_ARG): Rename to...
4810 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
4811 (SC_AT_DIRECTIVE_SKIP_WS): Update.
4812 (scan_skel): Move yylex_destroy to...
4813 (skel_scanner_free): ... here.
4814 * tests/skeletons.at (installed skeleton file name): Rename to...
4815 (installed skeleton file names): ... this.
4816
4817 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
4818
4819 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4820 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
4821 Summary" not "Directives".
4822 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
4823 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
4824 since the former is now the more complete one.
4825 (Prologue Alternatives): Likewise and do the same for %defines.
4826 (Table of Symbols): Add summary of %code, add summary of %define, and
4827 move full %code documentation to...
4828 (Decl Summary): ... here for consistency with other entries in these
4829 sections.
4830 Move %define entry in order to keep this list alphabetized.
4831 Reword %define entry a little to put less emphasis on the skeleton
4832 concept, which most users shouldn't have to think about.
4833
4834 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
4835
4836 Adjust to recent gnulib changes.
4837 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
4838 Add string.h, string_.h, unistd_.h, wchar_.h.
4839 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
4840 * src/system.h: Don't include <stpcpy.h>; this is now done by
4841 <string.h>.
4842
4843 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
4844
4845 Simplify implementation of unqualified %code, implement macros for
4846 uniform treatment of boolean %define flags. Document %define.
4847 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
4848 b4_percent_code_ifdef): New.
4849 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
4850 * data/c++.m4: Define default value for global_tokens_and_yystype.
4851 * data/glr.cc: Likewise.
4852 * data/location.cc: Use b4_percent_define_flag_if.
4853
4854 * doc/bison.texinfo (Decl Summary): Document %define.
4855
4856 * src/parse-gram.y (Unqualified %code): Change muscle name to
4857 b4_percent_code().
4858 (content.opt): Default to empty.
4859
4860 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4861
4862 Implement support for relative and absolute skeleton file names.
4863 Discussed starting at
4864 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
4865 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
4866 (Bison Options): Document in --skeleton entry.
4867 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
4868 full_skeleton can't necessarily hold all of pkgdatadir.
4869 If the specified skeleton file name contains a `/', don't prepend
4870 pkgdatadir.
4871 * src/parse-gram.y (prologue_declaration): If the specified skeleton
4872 file name contains a `/', prepend the grammar file directory.
4873 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
4874 * skeletons.at: New file.
4875 (relative skeleton file names): New test case.
4876 (installed skeleton file names): New test case.
4877 * tests/testsuite.at: Include skeletons.at.
4878
4879 * bootstrap: Update copyright to 2007.
4880
4881 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
4882
4883 * bootstrap: Remove occurrences of .#bootmp from the files.
4884
4885 2007-01-17 Akim Demaille <akim@epita.fr>
4886
4887 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
4888 nonterminals.
4889 Use per-type %printer.
4890
4891 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4892
4893 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
4894 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4895 djgpp/config.site, src/files.c, src/files.h, src/main.c,
4896 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
4897 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
4898 tests/glr-regression.at, tests/input.at, tests/local.at,
4899 tests/output.at, tests/torture.at: Update copyright to 2007.
4900
4901 2007-01-16 Akim Demaille <akim@epita.fr>
4902
4903 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
4904 error code.
4905 (Calc++ Scanner): Exit with failure if we can't open the input
4906 file.
4907 Accept "-" standing for stdin.
4908 (Calc++ Top Level): Print the result only if the parsing was
4909 successful.
4910
4911 2007-01-16 Akim Demaille <akim@epita.fr>
4912
4913 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
4914
4915 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
4916 and Joel E. Denny <jdenny@ces.clemson.edu>
4917
4918 Clean up %define and %code implementation in M4 some. Most
4919 importantly, rename all related macros to be in the b4_percent_define
4920 and b4_percent_code namespaces. Also, complete support for `.' in
4921 %define variable names and %code qualifiers.
4922 * data/bison.m4 (b4_check_user_names): Check for special
4923 "SKELETON-NAMESPACE(name)" macros instead of using two nested
4924 m4_foreach loops.
4925 (b4_get_percent_define, b4_get_percent_code): Rename to...
4926 (b4_percent_define_get, b4_percent_code_get): ... these.
4927 Extend documentation with examples.
4928 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
4929 b4_percent_define_skeleton_variables and
4930 b4_percent_code_skeleton_qualifiers.
4931 Expect any value for the %define variable `foo' to be stored in the
4932 macro named `b4_percent_define(foo)'; expect any %code blocks for the
4933 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
4934 expect any unqualified %code blocks to be stored in a macro named
4935 `b4_percent_code_unqualified'.
4936 Use m4_indir so that %define variable names and %code qualifiers can
4937 contain `.', which is allowed by the grammar parser.
4938 (b4_percent_define_default): New macro to set a default value for a
4939 %define variable.
4940 (m4_wrap): Update wrapped code, and fix some underquoting.
4941 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
4942 Expect grammar uses of %define variables and %code qualifiers to be
4943 defined in b4_percent_define_user_variables and
4944 b4_percent_code_user_qualifiers.
4945 * data/c++.m4: Use b4_percent_define_default rather than
4946 m4_define_default. Fix some underquoting. Skeleton usage of %define
4947 variable define_location_comparison now implies skeleton usage of
4948 %define variable filename_type.
4949 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4950 data/push.c, data/yacc.c: Update macro names.
4951 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
4952 muscle names.
4953
4954 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4955
4956 DJGPP specific issues.
4957
4958 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
4959 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
4960
4961 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4962
4963 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
4964 run parsers in all tests so that Valgrind is invoked during
4965 maintainer-check-valgrind.
4966 (Duplicate representation of merged trees): Free all semantic values.
4967 (Duplicated user destructor for lookahead): Likewise.
4968
4969 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4970
4971 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
4972 command-line prefix.
4973 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
4974 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
4975 miss Valgrind messages.
4976 (Exploding the Stack Size with Malloc): Likewise.
4977
4978 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4979
4980 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
4981 locals. Reported by Juan Manuel Guerrero at
4982 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
4983 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
4984 Fix some indentation also.
4985 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
4986 explaining this issue.
4987
4988 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
4989 and Joel E. Denny <jdenny@ces.clemson.edu>
4990
4991 Simplify union and prologue handling, and escape union and lex/parse
4992 params with digraphs.
4993 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
4994 values to the empty string since these are no longer guaranteed
4995 initialized by the front-end.
4996 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
4997 braces around b4_user_stype since this is no longer done by the
4998 front-end.
4999 * src/files.c, src/files.h (pre_prologue_obstack,
5000 post_prologue_obstack): Remove.
5001 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
5002 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
5003 with digraphs. This fixes lex params and parse params.
5004 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
5005 * src/output.c (prepare): Remove muscle insertion of the prologues.
5006 (output): Remove freeing of pre_prologue_obstack and
5007 post_prologue_obstack.
5008 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
5009 than prologue_augment for prologue parsing so you don't need prologue
5010 obstacks.
5011 (grammar_declaration): For %union RHS, use `braceless' instead of
5012 "{...}" so that braces are already stripped and code is escaped with
5013 digraphs.
5014 * src/reader.c (prologue_augment): Remove.
5015 (reader): Remove initialization of pre_prologue_obstack and
5016 post_prologue_obstack.
5017 * src/reader.h (prologue_augment): Remove.
5018
5019 * data/c.m4: Remove stray parenthesis.
5020
5021 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5022
5023 Remove quotes from variables names in %define directives and from
5024 qualifiers in %code directives, and restrict the characters that are
5025 allowed in them to M4-friendly ones. For %define, continue to support
5026 the quoted form as a deprecated feature. Discussed starting at
5027 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
5028 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
5029 %code.
5030 * doc/bison.texinfo (Prologue Alternatives): Update.
5031 (Decl Summary): In %defines entry, update mention of `%code requires'
5032 and `%code provides'.
5033 (C++ Location Values): Update %define uses.
5034 (Calc++ Parser Interface): Likewise.
5035 (Calc++ Parser): Likewise, and update `%code requires' uses.
5036 (Table of Symbols): Update %code documentation.
5037 * src/parse-gram.y (prologue_declaration): For %define variables, use
5038 `variable' instead of `STRING'.
5039 (grammar_declaration): For %code qualifiers, use `ID' instead of
5040 `STRING'.
5041 (variable): New nonterminal that takes an `ID' or a `STRING'.
5042 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
5043 and %define uses.
5044 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
5045 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
5046 (%define errors): Update %define uses.
5047
5048 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5049
5050 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
5051 instead of muscle_insert for %define values so that M4-special
5052 characters are replaced with digraphs.
5053 * tests/input.at (%define errors): Extend to check weird values.
5054
5055 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5056
5057 Instead of having skeletons declare all valid %define variables and
5058 %code qualifiers, provide macros that retrieve the associated values
5059 and build these lists automatically. Thus Bison will now warn when a
5060 variable or qualifier is not used by the skeleton in the current
5061 invocation regardless of whether it might sometimes be used by that
5062 skeleton in other invocations. Also, move all %define value macros to
5063 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
5064 form, which is replaced by %code.
5065 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
5066 (b4_check_user_names): ... this, and change the series of valid name
5067 arguments to a single list argument for names used in the skeleton
5068 similar to the existing list argument for names used in the grammar.
5069 Warn instead of complaining.
5070 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
5071 values and %code code, to format %code code properly, and to build
5072 lists of all %define variables and %code qualifiers used in the
5073 skeleton: b4_skeleton_percent_define_variables and
5074 b4_skeleton_percent_code_qualifiers.
5075 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
5076 Remove, and...
5077 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
5078 the skeleton names lists can finish building first. In place of
5079 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
5080 expect the lists b4_user_percent_define_variables and
5081 b4_user_percent_code_qualifiers.
5082 * data/c++.m4: Where setting default values for b4_parser_class_name,
5083 b4_location_type, b4_filename_type, b4_namespace, and
5084 b4_define_location_comparison, update their names to the
5085 b4_percent_define_ namespace.
5086 * data/glr.c: Don't use b4_check_percent_define_variables and
5087 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5088 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
5089 (b4_parser_class_name, b4_namespace): Define these using
5090 b4_get_percent_define for parser_class_name and namespace.
5091 * data/location.cc: Use b4_get_percent_define.
5092 * data/push.c: Don't use b4_check_percent_define_variables and
5093 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5094 * data/yacc.c: Likewise, and don't call m4_exit in
5095 b4_use_push_for_pull_if or m4_wrap code will never execute.
5096 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
5097 Rename to...
5098 (muscle_grow_user_name_list): ... this for consistency with the
5099 terminology used in bison.m4.
5100 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
5101 %define variable names, and rename muscle used_percent_define_variables
5102 to user_percent_define_variables.
5103 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
5104 user_percent_code_qualifiers.
5105 (content): Remove.
5106 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
5107 {CODE} form is no longer accepted.
5108 * tests/input.at (Reject bad %code qualifiers): Rename to...
5109 (Reject unused %code qualifiers): ... this, and update test output.
5110 (%define error): Update test output.
5111
5112 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
5113
5114 Check for unrecognized %define variables similar to checking for
5115 unrecognized %code qualifiers. Check for redefined %define variables.
5116 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
5117 generalizes...
5118 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
5119 (b4_check_percent_define_variables): New, also wraps it.
5120 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
5121 variables using b4_check_percent_define_variables.
5122 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
5123 all those exercised in the test suite and all those listed in the
5124 `Default values' section of c++.m4. Are there others?
5125 * data/push.c, data/yacc.c: Declare no valid %define variables.
5126 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
5127 similar to muscle_find, but it works even when the muscle stores a
5128 const value.
5129 (muscle_grow_used_name_list): New function for constructing the used
5130 name list muscles that b4_check_for_unrecognized_names requires.
5131 * src/parse-gram.y (prologue_declaration): Warn if a variable is
5132 %define'd more than once. Define the b4_used_percent_define_variables
5133 muscle with muscle_grow_used_name_list.
5134 (grammar_declaration): Abbreviate %code code with
5135 muscle_grow_used_name_list.
5136 * tests/input.at (%define errors): New.
5137
5138 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5139
5140 Provide warn_at, complain_at, and fatal_at function callbacks to the
5141 skeletons, and use this for %code qualifier complaints.
5142 * data/bison.m4 (b4_error_at): New, invoked by...
5143 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
5144 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
5145 @fatal_at(...@) directives.
5146 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
5147 qualifiers in b4_used_percent_code_qualifiers and to use
5148 b4_complain_at.
5149 * src/location.c, src/location.h (boundary_set_from_string): New global
5150 function.
5151 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
5152 function.
5153 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
5154 to b4_used_percent_code_qualifiers.
5155 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
5156 function.
5157 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
5158 (lineno): Rename to...
5159 (out_lineno): ... this so I don't misunderstand it again.
5160 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
5161 here; these newlines are in the input but not the output file.
5162 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
5163 (at_directive_perform): ... this new static function, and add handling
5164 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
5165 directives.
5166 * tests/input.at (Reject bad %code qualifiers): Update test output with
5167 locations and extend.
5168
5169 * tests/output.at (Output file name: [, Output file name: ]): Remove
5170 bogus comment about these tests failing.
5171
5172 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5173
5174 Clean up b4_check_percent_code_qualifiers a little.
5175 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
5176 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
5177 documentation and add examples.
5178 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
5179 qualifiers here.
5180
5181 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
5182
5183 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
5184 unreliable -- especially when they're hidden inside another macro.
5185 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
5186 data/c.m4: Remove m4_divert(-1).
5187 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5188 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
5189 m4_divert_push(0) and m4_divert_pop(0).
5190 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
5191 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
5192 pushed and popped by m4sugar, should be first on the stack.
5193
5194 Provide warn, complain, and fatal function callbacks to the skeletons.
5195 This provides more flexibility than m4_fatal, improves the error
5196 message format, and captures messages for translation. Discussed
5197 starting at
5198 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
5199 * data/bison.m4 (b4_error): New, invoked by...
5200 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
5201 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
5202 directives. Because these M4 macros might be called when the current
5203 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
5204 the previous removal of uses of m4_divert, which caused trouble.
5205 (b4_check_percent_code_qualifiers): Use b4_complain instead of
5206 m4_fatal to report unrecognized %code qualifiers.
5207 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
5208 push parser requests.
5209 * data/glr.c: Use b4_complain instead of m4_fatal to report
5210 non-deterministic push parser requests.
5211 Update @output usage to @output(...@) form.
5212 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
5213 report missing %defines. Update @output usage to @output(...@) form.
5214 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
5215 @output(...@) form.
5216 * src/main.c (main): Invoke skel_scanner_free.
5217 * src/scan-skel.h (skel_scanner_free): Prototype new function.
5218 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
5219 obstack_for_string from flex-scanner.h.
5220 (YY_DECL): Use to declare skel_lex static.
5221 (decode_at_digraphs): Remove; now handled in the new
5222 SC_AT_DIRECTIVE_ARG start condition.
5223 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
5224 functions.
5225 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
5226 at_directive_argv): New static globals.
5227 (INITIAL): Use fail_for_invalid_at.
5228 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
5229 recognize the start of a generalized `@directive(...@)' form and
5230 start...
5231 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
5232 directive args (using the new obstack_for_string), to decode the
5233 contained @ diagraphs, and to perform the directive. It recognizes
5234 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
5235 @output(...@).
5236 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
5237 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
5238 `@,'.
5239 (scan_skel): Initialize obstack_for_string on the first call.
5240 (skel_scanner_free): New function to free obstack_for_string.
5241 * tests/input.at (Reject bad %code qualifiers): Update test output.
5242
5243 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
5244
5245 Consolidate the 4 prologue alternative directives (%code, %requires,
5246 %provides, and %code-top) into a single %code directive with an
5247 optional qualifier field. Discussed at
5248 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
5249 * NEWS (2.3a+): Rewrite the existing entry for the prologue
5250 alternatives.
5251 * doc/bison.texinfo (Prologue Alternatives): Update.
5252 (Decl Summary): Update to %code "requires" and %code "provides".
5253 (Calc++ Parser): Update to %code "requires".
5254 (Table of Symbols): Remove entries for %requires, %provides, and
5255 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
5256 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
5257 are replaced by b4_percent_code_provides and b4_percent_code_requires,
5258 which are skeleton-specific.
5259 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
5260 declare what %code qualifiers it supports and to complain if any other
5261 qualifiers were used in the grammar.
5262 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
5263 and b4_user_code([b4_percent_code_provides]) in place of
5264 b4_user_requires and b4_user_provides.
5265 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
5266 Add b4_user_code([b4_percent_code_top]) and
5267 b4_user_code([b4_percent_code]).
5268 Invoke b4_check_percent_code_qualifiers.
5269 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
5270 PERCENT_REQUIRES): Remove.
5271 (grammar_declaration): Remove RHS's for %code-top, %provides, and
5272 %requires. Rewrite the %code RHS as the unqualified form defining the
5273 muscle b4_percent_code. Add another RHS for the qualified %code form,
5274 which defines muscles of the form b4_percent_code_QUALIFIER and the
5275 b4_used_percent_code_qualifiers muscle.
5276 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
5277 PERCENT_REQUIRES): Remove.
5278 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
5279 %code "requires" and %code "provides".
5280 * tests/input.at (Reject bad %code qualifiers): New.
5281
5282 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
5283
5284 Use the new code_props interface for destructors and printers.
5285 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
5286 printer_location members, and change the type of the destructor and
5287 printer members to code_props.
5288 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
5289 symbol_printer_get, semantic_type_destructor_set,
5290 semantic_type_printer_set, default_tagged_destructor_set,
5291 default_tagless_destructor_set, default_tagged_printer_set,
5292 default_tagless_printer_set): Use code_props in arguments and return
5293 types in place of char const * and location.
5294 (symbol_destructor_location_get, symbol_printer_location_get): Remove
5295 since the locations are now contained in the return of
5296 symbol_destructor_get and symbol_printer_get.
5297 * src/output.c (symbol_destructors_output, symbol_printers_output):
5298 Replace with...
5299 (symbol_code_props_output): ... this to eliminate duplicate code.
5300 (output_skeleton): Update to use symbol_code_props_output.
5301 * src/reader.c (symbol_should_be_used): Update use of
5302 symbol_destructor_get.
5303 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5304 Update uses of the various _destructor_set and _printer_set functions.
5305 * src/symtab.c: (default_tagged_destructor_location,
5306 default_tagless_destructor_location, default_tagged_printer_location,
5307 default_tagless_printer_location): Remove since we...
5308 (default_tagged_destructor, default_tagless_destructor,
5309 default_tagged_printer, default_tagless_printer): ... change the type
5310 of these to code_props.
5311 (symbol_new, semantic_type_new, symbol_destructor_set,
5312 semantic_type_destructor_set, symbol_destructor_get,
5313 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
5314 symbol_check_alias_consistency, default_tagged_destructor_set,
5315 default_tagless_destructor_set, default_tagged_printer_set,
5316 default_tagless_printer_set): Update.
5317 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
5318 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
5319 code_props members.
5320 (symbol_print): Use SYMBOL_CODE_PRINT.
5321
5322 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
5323
5324 Use the new code_props interface for rule actions.
5325 * src/symlist.h (symbol_list): Replace action, action_location, and
5326 used members with a code_props action_props member.
5327 * src/reader.c (symbol_should_be_used, grammar_rule_check,
5328 grammar_midrule_action, grammar_current_rule_merge_set,
5329 grammar_current_rule_symbol_append, packgram): Update.
5330 * src/scan-code.h (translate_rule_action): Remove, no longer used.
5331 * src/scan-code.l (handle_action_dollar): Update.
5332 (translate_rule_action): Remove, no longer used.
5333 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
5334
5335 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
5336
5337 Use the new code_props interface in parse-gram.y.
5338 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
5339 Update all uses of translate_* functions to use the new code_props
5340 interface and to use gram_scanner_last_string_free and
5341 code_scanner_last_string_free where possible.
5342 (grammar_declaration): symbol_list_destructor_set and
5343 symbol_list_printer_set now perform the translation, so don't do it
5344 here. Use gram_scanner_last_string_free where possible.
5345 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
5346 translate_code): Remove, no longer used.
5347 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
5348 symbol_list_printer_set): Perform code translation here rather than
5349 depending on the caller to do so.
5350
5351 * src/symlist.h (struct symbol_list): Correct some documentation typos.
5352 * src/scan-gram.h (gram_last_string): Remove declaration.
5353 * src/scan-gram.l (last_string): Declare it static.
5354
5355 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
5356
5357 Encapsulate code properties and related functionality for the various
5358 destructors, printers, and actions into a code_props structure and
5359 interface. This patch merely implements code_props in scan-code.h and
5360 scan-code.l. Future patches will rewrite other modules to use it.
5361 Discussed starting at
5362 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
5363 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
5364 consistently initialize const structs that have an empty location
5365 field.
5366 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
5367 to ensure consistency.
5368 * src/scan-code.h (code_props): New structure.
5369 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
5370 function, macro, and const global variable for initializing a
5371 code_props with no code.
5372 (code_props_plain_init, code_props_symbol_action_init,
5373 code_props_rule_action_init, code_props_translate_code): The rest of
5374 the new code_props functional interface. Among other things, the init
5375 functions set the code_props kind field so that
5376 code_props_translate_code will know whether to behave like
5377 translate_symbol_action, translate_rule_action, or translate_code.
5378 These old translate functions must remain until all other modules are
5379 updated to use the new code_props interface.
5380 (code_scanner_last_string_free): New function similar to
5381 gram_scanner_last_string_free.
5382 (code_scanner_free): Add documentation.
5383 * src/scan-code.l: Implement the new interface.
5384 (code_lex): Make it static, add a code_props* argument, and remove the
5385 rule argument.
5386 (last_string): New static global similar to the one in scan-gram.l.
5387 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
5388 instead of rule.
5389 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
5390 code_props since Bison may one day use this information for destructors
5391 and printers.
5392 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
5393 (handle_action_dollar): Use symbol_list_n_get and set used flag
5394 directly since symbol_list_n_used_set is removed.
5395 (translate_action): Add a code_props* argument and remove the rule,
5396 action, and location arguments. Pass the code_props* on to code_lex.
5397 (translate_rule_action, translate_symbol_action, translate_code):
5398 Rewrite as wrappers around the new code_props interface.
5399 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
5400 it would eventually need to break the encapsulation of code_props.
5401
5402 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
5403
5404 * etc/.cvsignore: New.
5405
5406 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
5407
5408 Add maintainer-push-check to run maintainer-check using push parsing in
5409 place of pull parsing where available.
5410 * Makefile.am (maintainer-push-check): New.
5411 * data/bison.m4 (b4_use_push_for_pull_if): New.
5412 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
5413 appropriately based on their existing values.
5414 (yypush_parse): Don't print push-parser-specific diagnostics if push
5415 parsing is being used in place of pull parsing.
5416 * data/yacc.c: If push parsing should replace pull parsing, redirect to
5417 push.c.
5418 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
5419 variable, and insert b4_use_push_for_pull_flag into muscles.
5420 * tests/Makefile.am (maintainer-push-check): New.
5421
5422 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
5423
5424 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
5425 (whether successful or failed) so that yypush_parse can be invoked
5426 again to start a new parse using the same yypstate.
5427 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
5428 check multiple yypull_parse invocations on the same yypstate. For pull
5429 mode, extend to check multiple yyparse invocations.
5430 (Exploding the Stack Size with Alloca): Extend to try with
5431 %push-pull-parser.
5432 (Exploding the Stack Size with Malloc): Likewise.
5433
5434 * tests/calc.at (Simple LALR Calculator): Don't specify
5435 %skeleton "push.c" since %push-pull-parser implies that now.
5436 * tests/headers.at (export YYLTYPE): Don't check for the push
5437 declarations. Otherwise, this test case can't be used to see if push
5438 mode can truly emulate pull mode.
5439 * tests/input.at (Torturing the Scanner): Likewise.
5440 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
5441 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
5442 AT_YACC_IF, which now includes the case of push mode since %skeleton
5443 need not be used for push mode. This will be more intuitive once
5444 push.c is renamed to yacc.c.
5445
5446 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
5447
5448 For push mode, convert yyparse from a macro to a function, invoke yylex
5449 instead of passing a yylexp argument to yypull_parse, and don't
5450 generate yypull_parse or yyparse unless %push-pull-parser is declared.
5451 Discussed starting at
5452 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
5453 * data/bison.m4 (b4_pull_if): New.
5454 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
5455 * data/push.c: Improve M4 quoting a little.
5456 (b4_generate_macro_args, b4_parenthesize): Remove.
5457 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
5458 any time a pull parser is requested.
5459 Don't #define this as a wrapper around yypull_parse. Instead, when
5460 both push and pull are requested, make it a function that does that
5461 same thing.
5462 (yypull_parse): If there's a b4_prefix, #define this to
5463 b4_prefix[pull_parse] when both push and pull are requested.
5464 Don't define this as a function unless both push and pull are
5465 requested.
5466 Remove the yylexp argument and hard-code yylex invocation instead.
5467 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
5468 %push-parser.
5469 * src/getargs.c (pull_parser): New global initialized to true.
5470 * getargs.h (pull_parser): extern it.
5471 * src/output.c (prepare): Insert pull_flag muscle.
5472 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
5473 (prologue_declaration): Set both push_parser and pull_parser = true for
5474 %push-pull-parser. Set push_parser = true and pull_parser = false for
5475 %push-parser.
5476 * src/scan-gram.l: Don't accept %push_parser as an alternative to
5477 %push-parser since there's no backward-compatibility concern here.
5478 Scan %push-pull-parser.
5479 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
5480 instead of %push-parser.
5481 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
5482 prototype it in the module that calls yyparse.
5483 * tests/input.at (Torturing the Scanner): Likewise.
5484 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
5485
5486 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
5487
5488 Update etc/bench.pl. Optimize push mode a little (the yyn change
5489 deserves most of the credit).
5490 * Makefile.am (SUBDIRS): Add etc subdirectory.
5491 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
5492 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
5493 yytoken, yyval, and yyloc declarations to...
5494 (yyparse or yypush_parse): ... here to improve performance. For
5495 yypush_parse invocations after the first, be sure to assign yyn its old
5496 value again.
5497 (yypstate_new): Don't bother initializing the yyresult field since the
5498 initial value isn't used.
5499 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
5500 remove the #define that, in push mode, set it to yyps->NAME.
5501 * etc/Makefile.am: New.
5502 * etc/bench.pl: Remove and build it instead from...
5503 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
5504 "tests/bison" from the build directory by default rather than just
5505 invoking "bison" from $PATH.
5506 (calc_grammar): Update push parser code: don't declare yylval globally,
5507 don't define yyparse_wrapper, and don't #define yyparse.
5508 (bench_grammar): Update to check all working combinations of yacc.c,
5509 push.c, impure, pure, pull, and push.
5510
5511 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
5512
5513 For push mode, add pull wrappers around yypush_parse.
5514 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
5515 (yypull_parse): New function wrapping yypush_parse.
5516 (yyparse): New #define wrapping yypull_parse.
5517 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
5518 is declared.
5519 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
5520 prototype yylex in the module that calls yyparse, and don't prototype
5521 yyparse there. Otherwise, the yyparse expansion won't compile.
5522 * tests/input.at (Torturing the Scanner): Likewise.
5523
5524 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
5525
5526 Enable push parsers to operate in impure mode. Thus, %push-parser no
5527 longer implies %pure-parser. The point of this change is to move
5528 towards being able to test the push parser code by running the entire
5529 test suite as if %push-parser had been declared.
5530 * data/push.c (yypush_parse): For impure mode, remove the
5531 yypushed_char, yypushed_val, and yypushed_loc arguments.
5532 Instead, declare these as local variables initialized to the global
5533 yychar, yylval, and yylloc.
5534 For the first yypush_parse invocation only, restore the initial values
5535 of these global variables when it's time to read a token since they
5536 have been overwritten.
5537 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
5538 %push-parser.
5539 * tests/calc.at (Simple LALR(1) Calculator): Always declare
5540 %pure-parser along with %push-parser since this test case was designed
5541 for pure push parsers.
5542 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
5543 (AT_YACC_OR_PUSH_IF): New.
5544 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
5545 add a note that it's still wrong for some cases (as it has been for a
5546 while).
5547 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
5548 %push-parser no longer implies %pure-parser.
5549
5550 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
5551
5552 Remove some unnecessary differences between the pull parser code and
5553 the push parser code. This patch enables yynerrs in push mode.
5554 * data/push.c: Reformat M4 a little.
5555 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
5556 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
5557 because push mode is on. Instead, if pure mode is on, move yynerrs
5558 to...
5559 (b4_declare_parser_state_variables): ... here.
5560 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
5561 to yyps->NAME so it can be used in yypush_parse.
5562 (yypush_parse): Don't omit uses of yynerrs in push mode.
5563
5564 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
5565
5566 Fix bug such that the first pushed token's value and location are
5567 sometimes overwritten (sometimes by %initial-action) before being used.
5568 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
5569 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
5570 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
5571 more closely mimic the pull parser logic.
5572 Don't copy the pushed token to yychar, yylval, and yylloc until it's
5573 time to read a token, which is after any initialization of yylval and
5574 yylloc.
5575 (gottoken): Rename label to...
5576 (yyread_pushed_token): ... for clarity and to avoid infringing on the
5577 user namespace.
5578
5579 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
5580
5581 Rearrange initialization of the parser state variables so that the
5582 skeleton doesn't have to have a copy for pull mode and another for push
5583 mode. This patch also fixes at least a bug such that yylloc was not
5584 initialized (with b4_location_initial_line and
5585 b4_location_initial_column) upon calling yypush_parse. However, that
5586 initialization now overwrites the first token's location;
5587 %initial-action assigning @$ already did the same thing, and both bugs
5588 will be fixed in a later patch.
5589 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
5590 (b4_declare_parser_state_variables): Remove initialization of yytoken,
5591 yyss, yyvs, yyls, and yystacksize.
5592 (yypstate_new): Remove initialization of some yypstate fields: yystate,
5593 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
5594 yylsp.
5595 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
5596 yyps->NAME so it can be used in yypush_parse.
5597 (yyparse or yypush_parse): For yypush_parse, don't print the
5598 "Starting parse" diagnostic for invocations after the first.
5599 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
5600 yypush_parse, only do it for the first invocation.
5601 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
5602 initialization to occur in yypush_parse but only on the first
5603 invocation.
5604
5605 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
5606
5607 * data/push.c: Add CPP guards around push parser declarations in both
5608 the header and the code file.
5609 In the code file, move the push parser declarations to the same place
5610 they appear in the header file.
5611 Clean up the M4 some, especially the inconsistent underquoting in
5612 some b4_c_function_def and b4_c_function_decl uses.
5613
5614 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
5615
5616 Encapsulate the push parser state variables into an M4 macro so the
5617 push skeleton doesn't have to list them again for pull mode's yyparse.
5618 For push mode, remove yypush_parse's local equivalents of these
5619 variables to eliminate unnecessary copying between the two sets at
5620 run-time. This patch also fixes at least a bug related to multiple
5621 %initial-action invocations in push mode.
5622 * data/push.c (b4_declare_parser_variables): Rename to...
5623 (b4_declare_scanner_communication_variables): ... this for clarity and
5624 update both uses.
5625 (b4_declare_yyparse_variables): Remove and move its contents to the one
5626 spot where it was invoked.
5627 (b4_declare_parser_state_variables): New macro containing the parser
5628 state variables required by push mode.
5629 (struct yypstate): Replace all fields but yynew with
5630 b4_declare_parser_state_variables.
5631 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
5632 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
5633 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
5634 (yyparse or yypush_parse): For yyparse in pull mode, replace local
5635 parser state variable declarations with
5636 b4_declare_parser_state_variables.
5637 Don't initialize parser state variables when calling yypush_parse since
5638 yypstate_new already does that.
5639 Invoke the user's initial action only upon the first yypush_parse
5640 invocation.
5641 Remove all code that copies between the local parser state variables
5642 and the yypstate.
5643
5644 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
5645
5646 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
5647 prevent a name collision in a future patch where these names will
5648 sometimes be #define'd.
5649 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
5650 since it no longer has the same name as the existing argument.
5651 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
5652
5653 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
5654 and Joel E. Denny <jdenny@ces.clemson.edu>
5655
5656 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
5657 that the argument is case-insensitive, and there's no `=' here.
5658 For the %skeleton entry, mention that %language is better.
5659 (Bison Options): Likewise for --language and --skeleton. Move the
5660 --skeleton entry so that the `Tuning the parser' section is sorted
5661 alphabetically on long options.
5662 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
5663 %language directive in detail here; cross-reference the %language
5664 documentation instead.
5665 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
5666 `%require "2.3b"' so that the example is always up-to-date.
5667 (Table of Symbols): Add entries for %language and %skeleton.
5668 * examples/extexi (normalize): Instead of replacing every %require
5669 argument with the current Bison version, just substitute for
5670 `@value{VERSION}'. This guarantees that we're testing what actually
5671 appears in the documentation.
5672 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
5673 rather than `@VERSION@'.
5674
5675 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5676
5677 * NEWS: Reword the %language news a bit, and put it earlier.
5678
5679 * src/getargs.c (skeleton_arg): Last arg is now location const *.
5680 Rewrite to simplify the logic.
5681 (language_argmatch): Likewise.
5682 (program_name): We now own this var.
5683 * src/getargs.h (struct bison_language): Use char[] rather than
5684 const char *.
5685
5686 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
5687 Java is supported.
5688 * src/complain.c (program_name): Remove decl; no longer needed.
5689 * src/main.c (program_name): Remove; now belongs to getargs.
5690
5691 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
5692
5693 * NEWS: Document %language.
5694
5695 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
5696
5697 * data/c-skel.m4, data/c++-skel.m4: New files.
5698 * data/glr.c: Complain on push parsers.
5699
5700 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
5701 over %skeleton.
5702 (Decl Summary): Document %language and %skeleton.
5703 (Command line): Document -L.
5704
5705 * examples/extexi: Rewrite %require directive.
5706 * examples/calc++/Makefile.am: Pass VERSION to extexi.
5707
5708 * src/files.c (compute_exts_from_gc): Look in language structure
5709 for .y extension.
5710 (compute_file_name_parts): Check whether .tab should be added.
5711 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
5712 (language, skeleton_arg, language_argmatch): New.
5713 (long_options): Add --language.
5714 (getargs): Use skeleton_arg, add -L/--language.
5715 * src/getargs.h: Include location.h.
5716 (struct bison_language, language, skeleton_arg, language_argmatch): New.
5717 * src/output.c (prepare): Pick default skeleton from struct language.
5718 Don't dispatch C skeletons here.
5719 * src/parse-gram.y (PERCENT_LANGUAGE): New.
5720 (prologue_declaration): Add "%language" rule, use skeleton_arg.
5721 * src/scan-gram.l ("%language"): New rule.
5722
5723 * tests/calc.at: Test %skeleton and %language.
5724 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
5725 (AT_GLR_IF): Look for %skeleton "glr.cc".
5726 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
5727 (AT_YACC_IF): Reject %language.
5728
5729 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5730
5731 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
5732 since it wasn't used; only the typedef name 'semantic_type' is needed.
5733 Also, omit trailing white space.
5734
5735 * bootstrap: Sync from coreutils.
5736 (gnulib_extra_files): Add build-aux/announce.gen.
5737 (slurp): Adjust .gitignore files like .cvsignore files.
5738 * build-aux/announce-gen: Remove from CVS, since bootstrap
5739 now creates this.
5740
5741 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
5742
5743 Make %push-parser imply %pure-parser. This fixes several bugs; see
5744 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
5745 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
5746 pure_parser = true.
5747 * data/push.c: Don't bother testing b4_push_if when deciding whether
5748 to expand b4_declare_parser_variables globally.
5749 (yypush_parse): Likewise in here.
5750
5751 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
5752 (yy_reduce_print): Reformat M4 for readability.
5753
5754 2006-12-15 Bob Rossi <bob@brasko.net>
5755 and Joel Denny <jdenny@ces.clemson.edu>
5756
5757 * data/push.c (yypstate): Add typedef, and update all uses of
5758 struct yypstate to just yypstate.
5759 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
5760
5761 2006-12-14 Bob Rossi <bob@brasko.net>
5762
5763 * data/push.c (yypush_parse): Declare prototype regardless of
5764 %locations option.
5765
5766 2006-12-14 Bob Rossi <bob@brasko.net>
5767
5768 * data/push.c (yyparse): Remove the prototype and the #define when in
5769 push-parser mode.
5770
5771 2006-12-13 Bob Rossi <bob@brasko.net>
5772
5773 * data/push.c (yypstate_init): Rename to...
5774 (yypstate_new): ... this and use b4_c_function_def.
5775 (yypstate_delete): New.
5776 (yypush_parse): Change parameters yynval and yynlloc to be const.
5777 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
5778 yypstate_delete functions.
5779
5780 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
5781
5782 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
5783 strange test case titles. Reported by Bob Rossi.
5784
5785 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
5786
5787 * TODO: Add pointer to Sylvain Schmitz's work on static detection
5788 of potential ambiguities in GLR grammers.
5789
5790 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
5791
5792 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
5793 `bison ', use m4_index instead of m4_substr since chopping up a string
5794 containing M4-special characters causes problems here.
5795
5796 Fix a couple of bugs related to special characters in user-specified
5797 file names, and make it easier for skeletons to compute output file
5798 names with the same file name prefix as Bison-computed output file
5799 names.
5800 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
5801 b4_parser_file_name and b4_spec_defines_file instead of
5802 @output_parser_name@ and @output_header_name@, which are now redundant.
5803 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
5804 b4_parser_file_name, b4_spec_defines_file, and the new
5805 @basename(FILENAME@) instead of @output_parser_name@ and
5806 @output_header_name@, which inappropriately escaped the file names as
5807 C string literals.
5808 * src/files.c (all_but_ext): Remove static qualifier.
5809 (compute_output_file_names): Move `free (all_but_ext)' to...
5810 (output_file_names_free): ... here since all_but_ext is needed later.
5811 * src/files.h (all_but_ext): Extern.
5812 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
5813 exactly what MUSCLE_INSERT_STRING used to do.
5814 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
5815 characters are escaped properly.
5816 * src/output.c (prepare): Define muscle file_name_all_but_ext as
5817 all_but_ext.
5818 For pkgdatadir muscle, maintain previous functionality by using
5819 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
5820 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
5821 digraphs would never be expanded. Hopefully no one has M4-special
5822 characters in his Bison installation path.
5823 * src/scan-skel.l: Don't parse @output_header_name@ and
5824 @output_parser_name@ anymore since they're now redundant.
5825 In @output, use decode_at_digraphs.
5826 Parse a new @basename command that invokes last_component.
5827 (decode_at_digraphs): New.
5828 (BASE_QPUTS): Remove unused.
5829 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
5830 (Output file name): New tests.
5831
5832 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
5833
5834 Warn about output files that are generated by the skeletons and that
5835 conflict with other output files.
5836 * data/glr.c: Don't generate the header file here when glr.cc does.
5837 * src/files.c (file_names, file_names_count): New static globals.
5838 (compute_output_file_names): Invoke output_file_name_check for files
5839 not generated by the skeletons and remove existing checks.
5840 (output_file_name_check): New function that warns about conflicting
5841 output file names.
5842 (output_file_names_free): Free file_names.
5843 * src/files.h (output_file_name_check): Declare.
5844 * src/scan-skel.l: Invoke output_file_name_check for files generated by
5845 the skeletons.
5846 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
5847 (Conflicting output files): New tests.
5848
5849 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5850
5851 * doc/bison.texinfo: Fix a couple of typos.
5852
5853 2006-12-08 Bob Rossi <bob@brasko.net>
5854
5855 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
5856 Rename to...
5857 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
5858 update all uses.
5859 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
5860 (yypush_parse): Rename yypvars argument to yyps and remove redundant
5861 local pv.
5862 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
5863 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
5864
5865 2006-12-07 Bob Rossi <bob@brasko.net>
5866 and Joel Denny <jdenny@ces.clemson.edu>
5867
5868 * data/push.c (yypvarsinit): Change return type from void* to struct
5869 yypvars*. No longer cast to void* on return.
5870 (struct yypvars): Remove yylen since it need not be remembered between
5871 yypushparse invocations.
5872 (yypushparse): Don't copy between yylen and pv->yylen.
5873
5874 2006-12-05 Bob Rossi <bob@brasko.net>
5875
5876 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
5877 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
5878 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
5879 (struct yypvars): Remove b4_declare_parser_variables.
5880 (yypvarsinit): Remove init code for removed variables.
5881 (global scope): Do not declare b4_declare_parser_variables if
5882 push or pure mode.
5883 (yypushparse): Add b4_declare_parser_variables.
5884 Init new local variables, and remove init code for removed
5885 yypvars variables.
5886 (yyparse): Delete.
5887 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
5888 and yyparse for other modes.
5889 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
5890 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
5891 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
5892 (AT_PURE_LEX_IF): True if pure or push parser.
5893
5894 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
5895
5896 Document Yacc prologue alternatives and default %destructor's and
5897 %printer's as experimental. Don't mention Java yet. Discussed at
5898 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
5899 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
5900 (2.3a): Annotate this entry to say the old forms of these features were
5901 also experimental.
5902 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
5903 Table of Symbols): Say they're experimental. Comment out any mention
5904 of Java (we'll want this back eventually).
5905
5906 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5907
5908 Support a file name argument to %defines. Deprecate `=' in
5909 %file-prefix, %name-prefix, and %output. Discussed at
5910 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
5911 * NEWS (2.3a+): Mention.
5912 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
5913 form of %defines, and remove `=' from entries for %file-prefix,
5914 %name-prefix, and %output.
5915 * src/parse-gram.y (prologue_declaration): Implement.
5916 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
5917 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
5918 all but one occurrence of %name-prefix.
5919 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
5920 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
5921 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
5922 occurrence of each of %file-prefix and %output. Add check for %defines
5923 with argument.
5924 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
5925 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
5926 Remove the `=' from %output.
5927
5928 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
5929
5930 Don't escape $ in test case titles since Autoconf 2.61 now does that
5931 correctly.
5932 * tests/actions.at (Default %printer and %destructor are not for error
5933 or $undefined): Here.
5934 (Default %printer and %destructor are not for $accept): Here.
5935 * tests/input.at (Invalid $n and @n): Here.
5936
5937 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
5938
5939 Rename <!> to <>. Discussed starting at
5940 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
5941 * NEWS (2.3a+): Update.
5942 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
5943 Update.
5944 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
5945 * src/scan-gram.l (INITIAL): Implement.
5946 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
5947 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
5948 comment.
5949 * tests/actions.at (Default tagless %printer and %destructor,
5950 Default tagged and per-type %printer and %destructor,
5951 Default %printer and %destructor are not for error or $undefined,
5952 Default %printer and %destructor are not for $accept,
5953 Default %printer and %destructor for mid-rule values): Update.
5954 * tests/input.at (Default %printer and %destructor redeclared,
5955 Unused values with default %destructor): Update.
5956
5957 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
5958
5959 Don't let %prec take a nonterminal.
5960 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
5961 token.
5962 * tests/input.at (%prec takes a token): New test checking that %prec
5963 won't take a nonterminal.
5964
5965 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5966
5967 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
5968 it was double-quoted.
5969 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
5970 grammar is maintained with Bison's highest standards.
5971 * src/getargs.c: Fix some typos in Doxygen comments.
5972
5973 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5974
5975 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
5976 later. Reported by Paul Eggert in
5977 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
5978 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
5979 * src/scan-code.l (translate_action): Don't bother invoking
5980 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
5981 (code_scanner_free): Instead of invoking
5982 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
5983 which frees more.
5984 * src/scan-gram.l (gram_scanner_free): Likewise.
5985 * src/scan-skel.l (scan_skel): Likewise.
5986
5987 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5988
5989 * src/files.c (tr): Change return type to void.
5990 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
5991 has been called previously for the same key.
5992 (muscle_find): Return storage instead of value so that
5993 --enable-gcc-warnings doesn't produce warnings that the return discards
5994 const. aver that the value and storage are the same since storage
5995 could potentially be NULL when value is not.
5996 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
5997 same as 0.
5998
5999 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6000
6001 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
6002 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
6003 us a slightly cleaner distribution, and also works.
6004 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
6005 gnulib changes.
6006
6007 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
6008 and Paul Eggert <eggert@cs.ucla.edu>
6009
6010 Don't let Bison leak memory except when it complains.
6011 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
6012 (spec_defines_file, dir_prefix): Now char *, not const char *,
6013 since they are freed.
6014 * src/files.c: Likewise.
6015 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
6016 Likewise.
6017 (tr): Now operates in-place. All uses changed.
6018 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
6019 values.
6020 (compute_file_name_parts, compute_output_file_names): Don't store
6021 read-only data in variables that will be freed.
6022 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
6023 src_extension, and header_extension.
6024 (output_file_names_free): New public function to free
6025 spec_verbose_file, spec_graph_file, spec_defines_file,
6026 parser_file_name, and dir_prefix.
6027 * src/getargs.c (getargs): Don't store read-only data in variables that
6028 will be freed.
6029 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
6030 (which previously existed but was unused), and quotearg_free.
6031 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
6032 * src/muscle_tab.c: Likewise.
6033 (muscle_entry): Make the value char const *,
6034 and add a new storage member that is char * and can be freed.
6035 (muscle_entry_free): New private function.
6036 (muscle_init): Use it instead of free.
6037 (muscle_insert, muscle_grow): Update and use new storage member.
6038 (muscle_code_grow): Free the string passed to muscle_grow
6039 since it's not needed anymore.
6040 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
6041 add a new `char *code' member.
6042 ("{...}"): Declare semantic type as code.
6043 * src/scan-code.h (translate_rule_action):
6044 (translate_symbol_action, translate_code, translate_action): Return
6045 `char const *' rather than `char *' since external code should not free
6046 these strings.
6047 * src/scan-code.l: Likewise.
6048 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
6049 which is "{...}" in the parser.
6050 * tests/Makefile.am (maintainer-check-valgrind): Set
6051 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
6052 Valgrind.
6053 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
6054 complain.
6055 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
6056 expecting a non-zero exit status sets --leak-check=summary and
6057 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
6058 this case, and we don't want to hear about it.
6059
6060 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6061
6062 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
6063 instead of from the template, to simplify configuration a bit.
6064 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
6065 and m4/wint_t.m4, as they are needed with the latest gnulib.
6066
6067 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6068
6069 Disable unset/unused mid-rule value warnings by default, and recognize
6070 --warnings=midrule-values to enable them. Discussed starting at
6071 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
6072 * NEWS (2.3a+): Mention.
6073 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
6074 warnings): Add entry for midrule-values subargument.
6075 * src/reader.c (symbol_should_be_used): Don't return true just because
6076 the value is a set/used mid-rule value unless
6077 --warnings=midrule-values was specified.
6078 * tests/input.at (Unused values, Unused values before symbol
6079 declarations): Run tests with and without --warnings=midrule-values.
6080
6081 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
6082 than LIST_FREE directly.
6083
6084 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6085
6086 Finish implementing --warnings=error, which should not be implied by
6087 --warnings=all (or by its synonyms -W and --warnings without
6088 subarguments).
6089 * src/complain.c (set_warning_issued): New function to report that
6090 warnings are being treated as errors and to record an error if so.
6091 Invoke...
6092 (warn_at, warn): ... here.
6093 * src/getargs.c (warnings_args, warnings_types): Reorder so that
6094 "error - warnings are errors" does not appear above "all - all of the
6095 above".
6096 (getargs): For -W and --warnings without subarguments, don't let
6097 FLAGS_ARGMATCH set warnings_error in warnings_flag.
6098 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
6099
6100 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6101
6102 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
6103 empty subargument list. For example: `bison --warnings= parser.y'.
6104
6105 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6106
6107 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
6108 the parser header file so that gcc doesn't warn.
6109
6110 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6111
6112 Split the default %destructor/%printer into two kinds: <*> and <!>.
6113 Discussed starting at
6114 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
6115 * NEWS (2.3a+): Mention.
6116 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
6117 previous change today related to mid-rules.
6118 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
6119 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
6120 (TYPE_TAG_ANY): Add as <*>.
6121 (TYPE_TAG_NONE): Add as <!>.
6122 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
6123 for <*> and <!>.
6124 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
6125 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
6126 * src/symlist.c (symbol_list_default_new): Split into tagged and
6127 tagless versions.
6128 (symbol_list_destructor_set, symbol_list_printer_set): Split
6129 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
6130 SYMLIST_DEFAULT_TAGLESS.
6131 * src/symlist.h: Update symbol_list_default*_new prototypes.
6132 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
6133 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
6134 * src/symtab.c (default_destructor, default_destructor_location,
6135 default_printer, default_printer_location): Split each into tagged and
6136 tagless versions.
6137 (symbol_destructor_get, symbol_destructor_location_get,
6138 symbol_printer_get, symbol_printer_location_get): Implement tagged
6139 default and tagless default cases.
6140 (default_destructor_set, default_printer_set): Split each into tagged
6141 and tagless versions.
6142 * src/symtab.h: Update prototypes.
6143 * tests/actions.at (Default %printer and %destructor): Rename to...
6144 (Default tagless %printer and %destructor): ... this, and extend.
6145 (Per-type %printer and %destructor): Rename to...
6146 (Default tagged and per-type %printer and %destructor): ... this, and
6147 extend.
6148 (Default %printer and %destructor for user-defined end token): Extend.
6149 (Default %printer and %destructor are not for error or $undefined):
6150 Update.
6151 (Default %printer and %destructor are not for $accept): Update.
6152 (Default %printer and %destructor for mid-rule values): Extend.
6153 * tests/input.at (Default %printer and %destructor redeclared): Extend.
6154 (Unused values with default %destructor): Extend.
6155
6156 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6157
6158 Don't apply the default %destructor/%printer to an unreferenced midrule
6159 value. Mentioned at
6160 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
6161 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
6162 like $@n instead of just @n so that the default %destructor/%printer
6163 logic doesn't see them as user-defined symbols.
6164 (symbol_is_dummy): Check for both forms of the name.
6165 * src/reader.c (packgram): Remove the `$' from each midrule symbol
6166 name for which the midrule value is referenced in any action.
6167 * tests/actions.at (Default %printer and %destructor for mid-rule
6168 values): New test.
6169 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
6170 for change to dummy symbol names.
6171
6172 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
6173
6174 Warn about unset midrule $$ if the corresponding $n is used.
6175 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
6176 $n usage.
6177 (packgram): Before invoking grammar_rule_check on any rule, make sure
6178 all actions have already been scanned in order to set `used' flags.
6179 Otherwise, checking that a midrule's $$ is set will not always work
6180 properly because the midrule check must forward-reference the midrule's
6181 parent rule.
6182 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
6183 warning.
6184
6185 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
6186
6187 More improvements to the documentation of the prologue alternatives:
6188 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
6189 Bison manual.
6190 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
6191 some text to clarify the relative importance of the new directives and
6192 to show how these directives may be viewed as code labels.
6193
6194 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
6195
6196 Similar to the recently removed %before-header, add %code-top as the
6197 alternative to the pre-prologue. Mentioned at
6198 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
6199 Also, let the prologue alternatives appear in the grammar section.
6200 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
6201 (prologue_declaration): Move the existing prologue alternatives to...
6202 (grammar_declaration): ... here and add %code-top.
6203 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
6204
6205 Clean up and extend documentation for the prologue alternatives.
6206 * NEWS (2.3a+): Describe prologue alternatives.
6207 * doc/bison.texinfo (Prologue): Move discussion of prologue
6208 alternatives to...
6209 (Prologue Alternatives): ... this new section, and extend it to discuss
6210 all 4 directives in detail.
6211 (Table of Symbols): Clean up discussion of prologue alternatives and
6212 add %code-top.
6213
6214 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6215
6216 DJGPP specific issues.
6217
6218 * djgpp/config.bat: config.hin has been moved to lib. Adjust
6219 config.bat accordingly.
6220 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
6221 * djgpp/config.site: Likewise.
6222
6223 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
6224
6225 Replace %*-header with %provides, %requires, %code. See discussion at
6226 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
6227
6228 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
6229 (b4_user_start_header): Remove.
6230 * data/glr.c: Use new macros instead of b4_*start_header
6231 and b4_*end_header.
6232 * data/glr.cc: Likewise.
6233 * data/lalr1.cc: Likewise.
6234 * data/push.c: Likewise.
6235 * data/yacc.c: Likewise.
6236
6237 * doc/bison.texinfo: Remove %before-header, rename
6238 %{start,end,after}-header to %requires, %provides, %code.
6239
6240 * src/parse-gram.y: Likewise (also rename token names accordingly).
6241 * src/scan-gram.l: Likewise.
6242 * tests/actions.at: Likewise.
6243
6244 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
6245
6246 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
6247 Problem reported by Joel E. Denny.
6248
6249 2006-10-14 Jim Meyering <jim@meyering.net>
6250
6251 (Sync from coreutils.)
6252 Work also when the working directory (with e.g. coreutils sources)
6253 is version controlled with git, rather than CVS.
6254 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
6255 rather than CVS.
6256 In messages and comments, say e.g., "checked-out sources",
6257 rather than "CVS sources".
6258 (version_controlled_file): New function. Work for git as well as
6259 for CVS. Don't use grep's -q option.
6260 (slurp): Call it here, in place of CVS-specific code.
6261
6262 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
6263
6264 Fix testsuite for ./configure --enable-gcc-warnings:
6265 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
6266 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
6267 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
6268 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
6269 * test/regression.at (Diagnostic that expects two alternatives):
6270 Likewise.
6271
6272 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
6273
6274 * bootstrap.conf (gnulib_modules): Add config-h.
6275 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
6276 worry about HAVE_CONFIG_H.
6277 * lib/abitset.c: Likewise.
6278 * lib/bitset.c: Likewise.
6279 * lib/bitset_stats.c: Likewise.
6280 * lib/bitsetv-print.c: Likewise.
6281 * lib/bitsetv.c: Likewise.
6282 * lib/ebitset.c: Likewise.
6283 * lib/get-errno.c: Likewise.
6284 * lib/lbitset.c: Likewise.
6285 * lib/subpipe.c: Likewise.
6286 * lib/timevar.c: Likewise.
6287 * lib/vbitset.c: Likewise.
6288 * lib/bitset.c: Include "bitset.h" first, to test interface.
6289 * lib/bitset_stats.c: Include "bitset_stats.h" first.
6290 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
6291 * lib/bitsetv.c: Include "bitsetv.h" first.
6292 * lib/get-errno.c: Include "get-errno.h" first.
6293 * m4/.cvsignore: Add config-h.m4.
6294 * tests/actions.at (Default %printer and %destructor for ...):
6295 Adjust expected line numbers in output to reflect removal of #if
6296 HAVE_CONFIG_H lines.
6297 * tests/glr-regression.at (Missed %merge type warnings when ...):
6298 Likewise.
6299 * tests/regression.at (Braced code in declaration in rules section):
6300 Likewise.
6301 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
6302 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
6303 Include <config.h> unconditionally.
6304
6305 * bootstrap: Sync from coreutils, as follows:
6306
6307 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
6308
6309 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
6310 variable was sometimes used without being initialized. This
6311 messed up the installation of the INSTALL file in some cases.
6312
6313 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
6314
6315 * bootstrap (usage, main program, symlink_to_gnulib): Add option
6316 --copy. Inspired by a suggestion from Bruno Haible.
6317
6318 2006-10-03 Jim Meyering <jim@meyering.net>
6319
6320 * bootstrap: Undo last change to this file, since now gnulib-tool
6321 sticks with the automake default in generating dependencies.
6322
6323 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
6324
6325 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
6326 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
6327
6328 * doc/bison.1: Add copyright notice.
6329
6330 * data/glr.c: Don't include <stdarg.h>; not used.
6331
6332 * NEWS: The -g and --graph options now output graphs in Graphviz
6333 DOT format, not VCG format.
6334 * doc/bison.1: Likewise.
6335 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
6336 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
6337 of this change in
6338 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
6339 * TODO: Remove Graphviz entry.
6340 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
6341 remove vcg.c, vcg.h, vcg_defaults.h.
6342 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
6343 * src/graphviz.c, src/graphviz.h: New files.
6344 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
6345 * src/files.h: Make comment more generic.
6346 * src/main.c (main): Likewise.
6347 * src/print_graph.h: Likewise.
6348 * src/getargs.c (usage): Make usage description more generic.
6349 * src/print_graph.c: Include graphviz.h rather than vcg.h.
6350 (static_graph, fgraph): Remove. All uses changed to pass
6351 arguments instead of sharing a static var.
6352 (print_core, print_actions, print_state, print_graph):
6353 Output graphviz format rather than VCG format.
6354 * tests/.cvsignore: Remove *.vcg; add *.dot.
6355 * tests/output.at: Expect *.dot files, not *.vcg files.
6356
6357 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
6358 accommodates the 2006-10-08 change.
6359
6360 2006-10-11 Bob Rossi <bob@brasko.net>
6361
6362 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
6363 (b4_yyssa, b4_yyerror_range): New macros.
6364 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
6365 (yypvarsinit): Remove init of removed fields.
6366 (yypushparse): Remove use of removed fields; use new macros instead.
6367
6368 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
6369
6370 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
6371 in a push parser. Reindent slightly to match yacc.c better.
6372
6373 2006-10-11 Bob Rossi <bob@brasko.net>
6374
6375 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
6376 yymsg_alloc fields.
6377 (yypvarsinit, yypushparse): Remove init of removed fields.
6378 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
6379
6380 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
6381
6382 * THANKS: Add Paolo Bonzini and Bob Rossi.
6383
6384 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
6385
6386 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
6387 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
6388 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
6389 b4_define_user_cde and uses): Remove.
6390 (b4_comment, b4_prefix, b4_sync_start): New.
6391 * data/bison.m4: New file, with most of the content removed from c.m4.
6392 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
6393 * src/output.c (output_skeleton): Pass bison.m4.
6394 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
6395 only if specified.
6396
6397 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
6398
6399 Fix test failure reported by Tom Lane in
6400 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
6401 and try to make such failures easier to catch in the future.
6402 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
6403 that's now the caller's responsibility.
6404 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
6405 Set yychar = YYEOF if it's negative.
6406 * tests/actions.at (yylex): Abort if asked to read past EOF.
6407 * tests/conflicts.at (yylex): Likewise.
6408 * tests/cxx-type.at (yylex): Likewise.
6409 * tests/glr-regression.at (yylex): Likewise.
6410 * tests/input.at (yylex): Likewise.
6411 * tests/regression.at (yylex): Likewise.
6412 * tests/torture.at (yylex): Likewise.
6413
6414 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
6415
6416 Fix problems with translating English-language diagnostics.
6417 * bootstrap: Fix bug introduced in recent bootstrap changes, with
6418 respect to bison-runtime pot generation. The YY_ stuff
6419 wasn't being captured.
6420 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
6421 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
6422 * runtime-po/POTFILES.in: Add data/push.c.
6423
6424 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
6425
6426 Merge bootstrap changes from coreutils.
6427
6428 2006-09-28 Jim Meyering <jim@meyering.net>
6429
6430 Automatically generated dependencies are important even
6431 when all of the sources in a directory come from gnulib.
6432 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
6433 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
6434
6435 2006-09-23 Jim Meyering <jim@meyering.net>
6436
6437 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
6438
6439 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
6440
6441 * bootstrap: Add support for --force.
6442 (usage): New function. Describe usage less tersely.
6443 (CVS_only_file): New var.
6444
6445 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
6446
6447 * data/push.c (YYPUSH_MORE): Make it an enum instead.
6448 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
6449 Adjust white space and comments to match GNU style better.
6450
6451 2006-09-20 Bob Rossi <bob@brasko.net>
6452
6453 * data/push.c (yyresult_get): Remove function.
6454 (YYPUSH_MORE): Add #define.
6455 (yypushparse): Modify return value.
6456
6457 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
6458
6459 * stamp-h.in: Remove; no longer needed.
6460 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
6461 Remove config.h, config.hin, intl (no longer created).
6462 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
6463 stamp-h1.
6464
6465 Sync bootstrap from coreutils, as follows:
6466
6467 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
6468
6469 * bootstrap (symlink_to_gnulib): New function.
6470 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
6471 to copies-of-gnulib.
6472 (cp_mark_as_generated, slurp, gnulib_files):
6473 Avoid making a copy if it's the same as the old version.
6474 (gnulib_files): Add support for this variable (used by Bison).
6475
6476 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
6477
6478 * src/getargs.c (usage): Rework to use conventions similar to
6479 coreutils, to make translation a bit easier and the code a bit
6480 smaller. Problem reported by Tim Van Holder.
6481
6482 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
6483
6484 Use some of gnulib's new modules, taken from coreutils.
6485
6486 * bootstrap: Sync from coreutils, except add support for gnulib_files.
6487 * bootstrap.conf: New file.
6488 (gnulib_modules): Add configmake, inttypes, unistd.
6489 (XGETTEXT_OPTIONS): Add complain, complain_at,
6490 fatal, fatal_at, warn, warn_at, unexpected_end.
6491 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
6492 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
6493 (gl_EARLY): Add.
6494 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
6495 (gl_INIT): Add
6496 (GNULIB_AUTOCONF_SNIPPET): Remove.
6497 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
6498 the pickiest.
6499 * lib/.cvsignore: Add inttypes_.h.
6500 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
6501 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
6502 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
6503 no-longer-necessary initializations.
6504 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
6505 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
6506 use the unistd module.
6507 * src/system.h: Likewise.
6508 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
6509 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
6510 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
6511 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
6512 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
6513 * src/system.h: Include inttypes.h unconditionally, now that we
6514 use the inttypes module. Don't bother to include stdint.h, since
6515 inttypes.h now does that for us.
6516 (LOCALEDIR): Remove, now that we use the configmake module.
6517 * src/getargs.c: Include configmake.h.
6518 * src/main.c: Likewise.
6519 * src/output.c: Likewise.
6520 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
6521 not from $abs_top_builddir, since config.h moved.
6522
6523
6524 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
6525 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
6526
6527 * src/parse-gram.y (symbol_declaration): Don't put statements
6528 before declarations; it's not portable to C89.
6529 * src/scan-code.l (handle_action_at): Likewise.
6530
6531 * src/scan-code.l: Always initialize braces_level; the old code
6532 left it uninitialized and therefore had undefined behavior.
6533
6534 Don't attempt to redefine 'assert', since it runs afoul of
6535 systems where standard headers (mistakenly) include <assert.h>.
6536 Instead, define and use our own alternative, called 'aver'.
6537 * src/reader.c: Don't include assert.h, since we no longer
6538 use assert.
6539 * src/scan-code.l: Likewise.
6540 * src/system.h (assert): Remove, replacing with....
6541 (aver): New function, taking a bool arg. All uses changed.
6542 * src/tables.c (pack_vector): Ensure that aver arg is bool,
6543 not merely an integer.
6544
6545 2006-09-15 Bob Rossi <bob@brasko.net>
6546
6547 Add support for push parsing. Based on the original work of
6548 Odd Arild Olsen <oao@fibula.no>.
6549 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
6550 * data/c.m4 (YYPUSH): New.
6551 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
6552 * data/push.c: New file.
6553 * src/getargs.c (push_parser): New var.
6554 * src/getargs.h (push_parser): New declaration.
6555 * src/output.c (prepare): Add macro insertion of `push_flag'.
6556 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
6557 (prologue_declaration): Parse %push-parser.
6558 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
6559 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
6560 list of removed lines from the traces observed.
6561 (AT_CHECK_CALC_LALR): Added push parser tests.
6562
6563 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
6564
6565 * NEWS: Version 2.3a.
6566 * configure.ac (AC_INIT): Likewise.
6567
6568 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
6569 "#define YYSTYPE int" that caused "make maintainer-check" to fail
6570 due to header ordering dependencies. I don't know why the #define
6571 was there.
6572
6573 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
6574 runtime cost when YYDEBUG is not defined, and so that some tests
6575 that used to fail now work. Problem and initial suggestion by
6576 Paolo Bonzini.
6577 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
6578 * data/glr.cc (b4_parser_class_name):
6579 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
6580 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
6581 (yydebug_) [YYDEBUG]: New member.
6582 (yycdebug_): Now defined only if YYDEBUG.
6583 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
6584 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
6585 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
6586 if YYYDEBUG.
6587 (debug_stream, set_debug_stream, debug_level, set_debug_level):
6588 Define only if YYDEBUG.
6589 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
6590 set_debug_level.
6591 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
6592 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
6593 AT_CHECK_CALC_GLR_CC that are working now.
6594
6595 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
6596
6597 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
6598 We don't need them in glr.cc, and glr.c defines them.
6599 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
6600 assumes that defining it to anything is the same as defining
6601 it to 1. Problem reported by Paolo Bonzini.
6602
6603 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
6604
6605 * data/c.m4 (b4_null, b4_case): Define.
6606 * src/output.c (prepare_symbols): Use b4_null.
6607 (user_actions_output): Use b4_case.
6608
6609 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
6610
6611 * data/glr.c (b4_shared_declarations): Put start-header first,
6612 before any #includes that we generate, so that feature-test
6613 macros work. Problem reported by Michael Deutschmann in
6614 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
6615 * data/lalr1.cc: Likewise.
6616 * doc/bison.texinfo (Prologue): Document that feature-test macros
6617 should be defined before any Bison declarations.
6618 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
6619 that depend on location.hh after, not before, Bison decls, since
6620 we now include location.hh after the first user prologue.
6621
6622 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
6623 Sander Brandenburg in
6624 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
6625 Also, fix minor white space and comment issues.
6626 (Prologue): Mention that it's better to define feature-test macros
6627 before Bison declarations. Problem reported by Michael Deutschmann.
6628
6629 * README-cvs: Fix typo: "&" should be "&&". Problem reported
6630 by Jim Meyering.
6631 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
6632 This adjusts to recent gnulib changes.
6633
6634 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
6635
6636 Finish implementation of per-type %destructor/%printer. Discussed
6637 starting at
6638 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
6639 and
6640 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
6641 * NEWS (2.3+): Add a description of this feature to the default
6642 %destructor/%printer description.
6643 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
6644 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
6645 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
6646 list node contains a semantic type.
6647 * src/symtab.c, src/symtab.h: Extend with a table that associates
6648 semantic types with their %destructor's and %printer's.
6649 (semantic_type_from_uniqstr, semantic_type_get,
6650 semantic_type_destructor_set, semantic_type_printer_set): New functions
6651 composing the public interface of that table.
6652 (symbol_destructor_get, symbol_destructor_location_get,
6653 symbol_printer_get, symbol_printer_location_get): If there's no
6654 per-symbol %destructor/%printer, look up the per-type before trying
6655 the default.
6656 * tests/actions.at (Per-type %printer and %destructor): New test case.
6657 * tests/input.at (Default %printer and %destructor redeclared):
6658 Extend to check that multiple occurrences of %symbol-default in a
6659 single %destructor/%printer declaration is an error.
6660 (Per-type %printer and %destructor redeclared, Unused values with
6661 per-type %destructor): New test cases.
6662
6663 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
6664
6665 Require default %destructor/%printer to be declared using
6666 %symbol-default instead of an empty symbol list, and start working on
6667 new per-type %destructor/%printer. Discussed at
6668 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
6669 * NEWS (2.3+): Add %symbol-default to example.
6670 * bison.texinfo (Freeing Discarded Symbols): Likewise.
6671 (Table of Symbols): Add entry for %symbol-default.
6672 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
6673 (generic_symlist, generic_symlist_item): New nonterminals for creating
6674 a list in which each item is a symbol, semantic type, or
6675 %symbol-default.
6676 (grammar_declaration): Use generic_symlist in %destructor and %printer
6677 declarations instead of symbols.1 or an empty list.
6678 (symbol_declaration, precedence_declaration, symbols.1): Update actions
6679 for changes to symbol_list.
6680 * src/reader.c: Update for changes to symbol_list.
6681 * src/scan-code.l: Likewise.
6682 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
6683 * src/symlist.c, src/symlist.h: Extend such that a list node may
6684 represent a semantic type or a %symbol-default in addition to just an
6685 ordinary symbol. Add switched functions for setting %destructor's and
6686 %printer's.
6687 * tests/actions.at, tests/input.at: Add %symbol-default to all default
6688 %destructor/%printer declarations.
6689
6690 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
6691
6692 Whether the default %destructor/%printer applies to a particular symbol
6693 isn't a question of whether the user *declares* that symbol (in %token,
6694 for example). It's a question of whether the user by any means
6695 *defines* the symbol at all (by simply using a char token, for
6696 example). $end is defined by Bison whereas any other token with token
6697 number 0 is defined by the user. The error token is always defined by
6698 Bison regardless of whether the user declares it with %token, but we
6699 may one day let the user define error as a nonterminal instead.
6700 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
6701 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
6702 the meaning of "user-defined".
6703 * tests/actions.at (Default %printer and %destructor for user-declared
6704 end token): Rename to...
6705 (Default %printer and %destructor for user-defined end token): ...
6706 this.
6707
6708 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
6709 computation of whether to apply the default, don't maintain a list of
6710 every Bison-defined symbol. Instead, just check for a first character
6711 of '$', which a user symbol cannot have, and check for the error token.
6712
6713 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
6714
6715 Don't apply the default %destructor or %printer to the error token,
6716 $undefined, or $accept. This change fits the general rule that the
6717 default %destructor and %printer are only for user-declared symbols,
6718 and it solves several difficulties that are described in the new test
6719 cases listed below.
6720 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
6721 * tests/actions.at (Default %printer and %destructor are not for error
6722 or $undefined, Default %printer and %destructor are not for $accept):
6723 New test cases.
6724
6725 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
6726
6727 Allow %start after the first rule.
6728 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
6729 when parsing the first rule.
6730 (check_and_convert_grammar): Search for it here after all grammar
6731 declarations have been parsed. Skip midrules, which have dummy LHS
6732 nonterminals.
6733 * src/symtab.c (symbol_is_dummy): New function.
6734 * src/symtab.h (symbol_is_dummy): Declare it.
6735 * tests/input.at (%start after first rule): New test.
6736
6737 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6738
6739 Redo some of the previous commit: add back the ability to use
6740 non-aliased/undeclared string literals since it might be useful to
6741 those declaring %token-table.
6742 * src/reader.c (check_and_convert_grammar): Undo changes in previous
6743 commit: don't worry about complaints from symbols_pack.
6744 * src/symtab.c (symbol_new, symbol_class_set,
6745 symbol_check_alias_consistency): Undo changes in previous commit: count
6746 each string literal as a new symbol and token, assign it a symbol
6747 number, and don't complain about non-aliased string literals.
6748 (symbols_pack): Since symbol_make_alias still does not decrement symbol
6749 and token counts but does still set aliased tokens to the same number,
6750 symbol_pack_processor now leaves empty slots in the symbols array.
6751 Remove those slots.
6752 * tests/regression.at (Undeclared string literal): Remove test case
6753 added in previous commit since non-aliased string literals are allowed
6754 again.
6755 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
6756 remove unnecessary string literal declarations.
6757 * tests/sets.at (Firsts): Likewise.
6758
6759 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6760
6761 Don't allow an undeclared string literal, but allow a string literal to
6762 be used before its declaration.
6763 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
6764 symbols_pack complained.
6765 * src/symtab.c (symbol_new): Don't count a string literal as a new
6766 symbol.
6767 (symbol_class_set): Don't count a string literal as a new token, and
6768 don't assign it a symbol number since symbol_make_alias does that.
6769 (symbol_make_alias): It's not necessary to decrement the symbol and
6770 token counts anymore. Don't assume that an alias declaration occurs
6771 before any uses of the identifier or string, and thus don't assert that
6772 one of them has the highest symbol number so far.
6773 (symbol_check_alias_consistency): Complain if there's a string literal
6774 that wasn't declared as an alias.
6775 (symbols_pack): Bail if symbol_check_alias_consistency failed since
6776 symbol_pack asserts that every token has been assigned a symbol number
6777 although undeclared string literals have not.
6778 * tests/regression.at (String alias declared after use, Undeclared
6779 string literal): New test cases.
6780 (Characters Escapes, Web2c Actions): Declare string literals as
6781 aliases.
6782 * tests/sets.at (Firsts): Likewise.
6783
6784 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
6785
6786 In the grammar scanner, STRING_FINISH unclosed constructs and return
6787 them to the parser in order to improve error messages.
6788 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
6789 SC_BRACED_CODE, SC_PROLOGUE): Implement.
6790 * tests/input.at (Unclosed constructs): New test case.
6791 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
6792 seen.
6793
6794 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
6795 unused global.
6796
6797 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
6798
6799 Handle string aliases for character tokens correctly.
6800 * src/symtab.c (symbol_user_token_number_set): If the token has an
6801 alias, check and set its alias's user token number instead of its own,
6802 which is set to indicate the alias. Previously, every occurrence of
6803 the character token in the grammar overwrote that alias indicator with
6804 the character code.
6805 * tests/input.at (String aliases for character tokens): New test.
6806
6807 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
6808
6809 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
6810
6811 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
6812
6813 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
6814 to prevent failures when building on older platforms.
6815 Check for autopoint failure.
6816 Set XGETTEXT_OPTIONS to values that check for C format strings,
6817 so that translators are warned about them (this also helps
6818 prevent core dumps).
6819
6820 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
6821 function, since it simplifies our code a bit.
6822
6823 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
6824 rather than -W, so we don't get bogus warnings about sign comparisons.
6825 Add -Wpointer-arith, since that warning is useful (it reports code
6826 that does not conform to C89 and that some compilers reject).
6827 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
6828 since it's no longer needed.
6829
6830 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
6831
6832 Clean up scanners a bit.
6833 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
6834 definitions so gcc won't warn when obstack_for_string is unused.
6835 * src/scan-code.l: config.h and system.h are already #include'd by
6836 scan-code-c.c, so get rid of them here.
6837 * src/scan-gram.l: Likewise.
6838 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
6839 definitions rather than duplicating the rest of it.
6840 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
6841
6842 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
6843
6844 Suppress signed/unsigned comparison warnings for yycheck.
6845 * data/c.m4 (b4_safest_int_type): New macro.
6846 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
6847 a signed int type, cast it to b4_safest_int_type first.
6848 * data/yacc.c: Likewise.
6849 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
6850 also overwritten.
6851
6852 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
6853
6854 * doc/bison.texinfo: Fix some typos.
6855
6856 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
6857
6858 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
6859 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
6860
6861 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
6862 the latest gnulib does this a different way.
6863 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
6864 translation was patched, so stop omitting it.
6865
6866 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6867
6868 Enable declaration of default %printer/%destructor. Make the parser
6869 use these for all user-declared grammar symbols for which the user does
6870 not declare a specific %printer/%destructor. Thus, the parser uses it
6871 for token 0 if the user declares it but not if Bison generates it as
6872 $end. Discussed starting at
6873 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
6874 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
6875 and
6876 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
6877 * NEWS (2.3+): Mention.
6878 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
6879 declare a %destructor for a mid-rule's semantic value. It's just
6880 impossible to declare one specific to it.
6881 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
6882 code. Describe default %destructor form.
6883 * src/parse-gram.y (grammar_declaration): Parse default
6884 %printer/%destructor declarations.
6885 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
6886 and symbol_destructor_location_get rather than accessing the destructor
6887 and destructor_location members of struct symbol.
6888 (symbol_printers_output): Likewise but for %printer's.
6889 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
6890 again.
6891 * src/symtab.c (default_destructor, default_destructor_location,
6892 default_printer, default_printer_location): New static global
6893 variables to record the default %destructor and %printer.
6894 (symbol_destructor_get, symbol_destructor_location_get,
6895 symbol_printer_get, symbol_printer_location_get): New functions to
6896 compute the appropriate %destructor and %printer for a symbol.
6897 (default_destructor_set, default_printer_set): New functions to set the
6898 default %destructor and %printer.
6899 * src/symtab.h: Prototype all those new functions.
6900 * tests/actions.at (Default %printer and %destructor): New test to
6901 check that the right %printer and %destructor are called, that they're
6902 not called for $end, and that $$ and @$ work correctly.
6903 (Default %printer and %destructor for user-declared end token): New
6904 test to check that the default %printer and %destructor are called for
6905 a user-declared end token.
6906 * tests/input.at (Default %printer and %destructor redeclared, Unused
6907 values with default %destructor): New tests to check related grammar
6908 warnings and errors.
6909
6910 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6911
6912 Clean up handling of %destructor for the end token (token 0).
6913 Discussed starting at
6914 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
6915 and
6916 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
6917
6918 Make the skeletons consistent in how they pop the end token and invoke
6919 its %destructor.
6920 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
6921 state, which has token number 0, since this would invoke the
6922 %destructor for the end token.
6923 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
6924 until after shifting the end token, or else it won't be popped.
6925 * data/yacc.c (yyparse): Likewise.
6926
6927 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
6928 it's the end token. Upon termination, destroy an unshifted lookahead
6929 even when it's the end token.
6930 * data/lalr1.cc (yy::parser::parse): Likewise.
6931 * data/yacc.c (yyparse): Likewise.
6932
6933 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
6934 value warnings for the end token when the user gives the end token a
6935 %destructor.
6936
6937 * tests/actions.at (Printers and Destructors): Test all the above.
6938
6939 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
6940
6941 Update to latest gnulib and gettext versions.
6942 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
6943 Add fopen-safer.
6944 (gnulib_files): Add m4/warning.m4. Don't worry about files
6945 overwritten by autopoint.
6946 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
6947 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
6948 rejects them.
6949 Don't use autoreconf; instead, invoke autopoint etc. by hand,
6950 so that we can remove the intl files at a better time.
6951 (intl_files_to_remove): Remove aclocal.m4, since it gets
6952 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
6953 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
6954 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
6955 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
6956 Remove datarootdir hack; no longer needed.
6957 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
6958 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
6959 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
6960 strdup.h.
6961 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
6962 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
6963
6964 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
6965
6966 * bootstrap: Adjust to today's change to gnulib-tool by invoking
6967 it with --assume-autoconf='latest-stable'.
6968
6969 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
6970
6971 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
6972 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
6973 YYSTYPE' and `{'.
6974 * src/muscle_tab.h (muscle_grow): Replace the header comments with
6975 those from muscle_tab.c since the old ones are misleading.
6976
6977 2006-07-13 Akim Demaille <akim@epita.fr>
6978
6979 Support %define "KEY" {VALUE}.
6980 * src/scan-code.h, src/scan-code.l (translate_action)
6981 (translate_rule_action, translate_symbol_action, translate_code):
6982 Return char *, not const char *.
6983 * src/parse-gram.y (declaration): Rename as...
6984 (prologue_declaration): this.
6985 (string_content): Remove this nonterminal, use STRING.
6986 (braceless, content, content.opt): New nonterminal.
6987 Use them.
6988 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
6989 as value.
6990 * src/scan-gram.l (getargs.h): Don't include it.
6991
6992 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
6993
6994 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
6995 rather than a for-loop that declares a local bool variable. This
6996 should work around a compatibility problem with a Cray x1e C++
6997 compiler reported by Hung Nguyen in
6998 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
6999 The for-loop was introduced in the 2004-11-17 change but I don't
7000 know why it was needed.
7001
7002 2006-07-12 Akim Demaille <akim@epita.fr>
7003
7004 * data/c.m4: Comment changes.
7005
7006 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
7007
7008 * src/complain.c (error_message, ERROR_MESSAGE): New.
7009 To factor...
7010 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
7011 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
7012
7013 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7014
7015 * NEWS: Instead of %union, you can define and use your own union type
7016 YYSTYPE if your grammar contains at least one <type> tag.
7017 Your YYSTYPE need not be a macro; it can be a typedef.
7018 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
7019 (Union Decl, Decl Summary): Document this.
7020 * data/glr.c (YYSTYPE): Implement this.
7021 * data/glr.cc (YYSTYPE): Likewise.
7022 * data/lalr1.cc (YYSTYPE): Likewise.
7023 * data/yacc.c (YYSTYPE): Likewise.
7024 * src/output.c (prepare): Output tag_seen_flag.
7025 * src/parse-gram.y (declaration, grammar_declaration):
7026 Use 'union_seen' rather than 'typed' to determine whether
7027 %union has been seen, since grammars can now be typed without
7028 %union.
7029 (symbol_declaration, type.opt, symbol_def):
7030 Keep track of whether a tag has been seen.
7031 * src/reader.c (union_seen, tag_seen): New vars.
7032 (typed): remove.
7033 * src/reader.h (union_seen, tag_seen, typed): Likewise.
7034 * src/scan-code.l (untyped_var_seen): New variable.
7035 (handle_action_dollar): Adjust to above changes.
7036 (handle_action_dollar, handle_action_at):
7037 Improve overflow checking for outlandish numbers.
7038 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
7039 avoid new diagnostics generated by above changes.
7040 * tests/regression.at (YYSTYPE typedef): Add test to check
7041 for type tags without %union.
7042
7043 * src/symlist.c (symbol_list_length): Return int, not unsigned
7044 int, since callers expect int. This may need to get revisited
7045 once we have proper integer overflow checking.
7046
7047 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
7048 object is now static.
7049
7050 * src/getargs.c (flags_argmatch): Return void, not int,
7051 to pacify ./configure --enable-gcc-warnings.
7052
7053 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
7054 since last_string is already defined to FLEX_PREFIX (last_string).
7055
7056 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7057
7058 Implement --warnings/-W.
7059 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
7060 replaced by...
7061 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
7062 Adjust callers.
7063 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
7064 (warnings_args, warnings_types): New.
7065 (getargs, short_options, long_options): Accept -W/--warnings.
7066 Sort the options by alphabetical order, upper case letter right
7067 before its lower case.
7068
7069 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
7070
7071 Change %merge result type clash warnings to errors. Discussed at
7072 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
7073 * src/reader.c (record_merge_function_type): Use complain_at.
7074 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7075 declared later): Update test case results.
7076
7077 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7078
7079 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
7080 to be in alphabetical order.
7081 (trace_args): Spelling fixes.
7082
7083 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7084
7085 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
7086 so they don't collide with user-defined macros.
7087 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
7088 this was never guaranteed, and now that we're using gnulib stdint,
7089 which defines int_fast16_t to long int, the problem is exposed.
7090
7091 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
7092
7093 * data/c.m4 (b4_basename): Simplify a bit, since we don't
7094 need the full POSIX semantics (and weren't implementing them
7095 anyway).
7096
7097 Adjust to Autoconf 2.60 and today's gnulib.
7098 * bootstrap (gnulib_modules): Add stdint.
7099 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
7100 no longer copies it.
7101 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
7102 since stdint needs the former and wcwidth (which is now required
7103 by mbswidth) needs the latter.
7104 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
7105 work around a compatibility glitch between gettext 0.14.6 and
7106 Autoconf 2.60.
7107 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
7108 Do not check for uintptr_t, since new stdint module does the right
7109 thing.
7110 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
7111 Add stdint.h, stdint_.h, wcwidth.h.
7112 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
7113 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
7114 stdint.m4, wchar_t.m4, wcwidth.m4.
7115 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
7116 usual order for ../lib/*.h files.
7117 (file_name_split): Use last_component, not base_name, to adjust
7118 to gnulib changes.
7119 * src/parse-gram.h: Include <strverscmp.h> in the usual order
7120 for ../lib/*.h files.
7121 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
7122 Define unconditionally, since we now assume the stdint module.
7123 * src/scan-skel.l: Include <dirname.h>.
7124 (BASE_QPUTS): Use last_component, not base_name.
7125 * src/system.h: Include <unlocked-io.h> in the usual order
7126 for ../lib/*.h files. Include <stdint.h> unconditionally,
7127 since we now use the stdint module.
7128 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
7129 HAVE_UINTPTR_T, since we now use the stdint module.
7130 (base_name): Remove decl, since files now include <dirname.h>
7131 to get the decl.
7132
7133 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
7134
7135 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
7136 New, default to 1.
7137 * data/yacc.c, data/glr.c, data/location.cc: Use them.
7138 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
7139 default.
7140 * tests/calc.at: Adjust.
7141
7142 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
7143
7144 * data/c.m4 (b4_basename): New.
7145 (b4_syncline): Also output the location of its invocation (from
7146 the skeleton).
7147 (b4_user_action, b4_define_user_action, b4_user_actions)
7148 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
7149 (b4_user_stype): New.
7150 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
7151
7152 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
7153
7154 In the grammar file, the first column is 1 not 0 on the first line as
7155 on every other line.
7156 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
7157 * tests/input.at (Torturing the Scanner): Update output.
7158
7159 * src/scan-gram.l (scanner_cursor): Declare it static.
7160
7161 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
7162
7163 In warnings, say "previous declaration" rather than "first
7164 declaration".
7165 * src/symtab.c (redeclaration): Do that here.
7166 * src/reader.c (record_merge_function_type): In the case of a result
7167 type clash, report the previous declaration rather than the very first
7168 one in the grammar file.
7169 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7170 declared later): Add a third declaration to check this behavior.
7171 * tests/input.at (Incompatible Aliases): Update output.
7172
7173 2006-06-27 Akim Demaille <akim@epita.fr>
7174
7175 * doc/Doxyfile.in: New.
7176 * doc/Makefile.am: Use it.
7177 * src/lalr.h, src/symtab.h: Initial doxygenation.
7178
7179 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7180
7181 Don't miss %merge result type warnings just because the LHS types are
7182 declared after the %merge. This continues the effort of the previous
7183 patch.
7184 * src/reader.c (get_merge_function): Don't set the merger type yet.
7185 (record_merge_function_type): New function for setting the merger type
7186 and checking for clashes.
7187 (grammar_current_rule_merge_set): Set the location of the %merge for
7188 the current rule.
7189 (packgram): Invoke record_merge_function_type for each rule now that
7190 all symbol type declarations have been parsed.
7191 * src/reader.h (merger_list.type_declaration_location): New member
7192 storing the location of the first %merge from which the type for this
7193 merging function was derived.
7194 * src/symlist.h (symbol_list.merger_declaration_location): New member
7195 storing the location of a rule's %merge, if any.
7196 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7197 declared later): New test to catch the error fixed by the above patch.
7198
7199 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7200
7201 Get action warnings (grammar_rule_check) right even when symbol
7202 declarations appear after the rules. Discussed at
7203 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
7204 and
7205 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
7206 Don't mistake the type of $$ in a midrule to be that of its parent
7207 rule's $$.
7208 * src/reader.c (grammar_current_rule_end): Don't invoke
7209 grammar_rule_check yet since not all symbol declarations may have been
7210 parsed yet.
7211 (grammar_midrule_action): Likewise.
7212 Don't record whether the midrule's $$ has been used yet since actions
7213 haven't been translated yet.
7214 Record the midrule's parent rule and its RHS index within the parent
7215 rule.
7216 (grammar_current_rule_action_append): Don't translate the action yet
7217 since not all symbol declarations may have been parsed yet and, thus,
7218 warnings about types for $$, $n, @$, and @n can't be reported yet.
7219 (packgram): Translate the action and invoke grammar_rule_check now that
7220 all symbol declarations have been parsed.
7221 * src/scan-code.l (handle_action_dollar): Now that this is invoked
7222 after parsing the entire grammar file, the symbol list here in the case
7223 of a midrule is actually the midrule's empty RHS, so reference its
7224 parent rule's RHS where necessary.
7225 On the other hand, now that you can already know it's a midrule, you
7226 aren't forced to think $$ has the same type as its parent rule's $$.
7227 (handle_action_at): In the case of a midrule, reference the parent rule
7228 where necessary.
7229 * src/symlist.c (symbol_list_new): Initialize new midrule-related
7230 members.
7231 (symbol_list_length): Now that this is invoked after all rules have
7232 been parsed, a NULL symbol (rather than a NULL symbol list node)
7233 terminates a rule. symbol_list_print already does this correctly.
7234 * src/symlist.h (symbol_list.midrule_parent_rule,
7235 symbol_list.midrule_parent_rhs_index): New members so that midrules can
7236 remember their relationships with their parents.
7237 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
7238 fixed by the above patch.
7239 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
7240 implementing...
7241 (Unused values): ... this old test case and...
7242 (Unused values before symbol declarations): ... this new test case.
7243 This one is the same as `Unused values' except that all symbol
7244 declarations appear after the rules in order to catch the rest of the
7245 errors fixed by the above patch.
7246
7247 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
7248
7249 More cleanup.
7250 * src/reader.c (current_rule): Declare it static since it's no longer
7251 used outside this file.
7252 (grammar_current_rule_action_append): Remove redundant arguments from
7253 translate_rule_action invocation.
7254 * src/reader.h (current_rule): Remove this unused extern.
7255 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
7256 * src/scan-code.l (translate_rule_action): Likewise.
7257
7258 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
7259
7260 Clean up yesterday's patch.
7261 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
7262 to...
7263 * src/reader.c (grammar_current_rule_action_append): ... here for
7264 consistency with grammar_current_rule_symbol_append.
7265 * tests/regression.at (Braced code in declaration in rules section):
7266 Make yyerror and yylex static as usual.
7267
7268 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
7269
7270 Fix bug that mistakes braced code in a declaration in the rules section
7271 to be a rule action. Mentioned at
7272 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
7273 * src/scan-gram.l: Move midrule action detection from the start of the
7274 scanning of any braced code to...
7275 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
7276 action. For readability, use $2 and @2 rather than the equivalent
7277 global variables.
7278 * tests/regression.at (Braced code in declaration in rules section):
7279 New test to catch the error fixed by the above patch.
7280
7281 Work on code readability some.
7282 * src/scan-code.l (current_rule): Get rid of this misleading and
7283 redundant declaration: it's actually extern'ed in reader.h.
7284 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
7285 translate_action): Add a rule argument and use it instead of the global
7286 current_rule.
7287 (translate_rule_action): This already receives current_rule through an
7288 argument, so pass it on to translate_action instead of assigning
7289 current_rule to current_rule.
7290 (translate_symbol_action, translate_code): Pass rule = NULL to
7291 translate_action.
7292
7293 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
7294
7295 Rename %before-definitions to %start-header and %after-definitions to
7296 %end-header. Don't use these declarations to separate pre-prologue
7297 blocks from post-prologue blocks. Add new order-independent
7298 declarations %before-header and %after-header as alternatives to the
7299 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
7300 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
7301 * NEWS (2.3+): Update for these changes.
7302 * data/glr.c (b4_before_definitions): Update to...
7303 (b4_start_header): ... this.
7304 (b4_after_definitions): Update to...
7305 (b4_end_header): ... this.
7306 * data/glr.cc: Likewise.
7307 * data/lalr1.cc: Likewise.
7308 * data/yacc.c: Likewise.
7309 * doc/bison.texinfo (The prologue): Update names, and replace remaining
7310 prologue blocks with %*-header declarations.
7311 (Calc++ Parser): Likewise.
7312 (Decl Summary): Update names.
7313 (Table of Symbols): Update description.
7314 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
7315 (PERCENT_END_HEADER): ... this.
7316 (PERCENT_BEFORE_DEFINITIONS): Update to...
7317 (PERCENT_START_HEADER): ... this.
7318 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
7319 (declaration): Update token names and m4 macro names.
7320 When parsing %end-header and %start-header, invoke translate_code
7321 before muscle_code_grow, and no longer set global booleans to remember
7322 whether these declarations have been seen.
7323 Parse new %after-header and %before-header.
7324 * src/reader.c (before_definitions, after_definitions): Remove.
7325 (prologue_augment): Accept a new bool argument to specify whether to
7326 augment the pre-prologue or post-prologue.
7327 * src/reader.h (before_definitions, after_definitions): Remove these
7328 extern's.
7329 (prologue_augment): Add new bool argument.
7330 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
7331 (PERCENT_END_HEADER): ... this.
7332 (PERCENT_BEFORE_DEFINITIONS): Update to...
7333 (PERCENT_START_HEADER): ... this.
7334 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
7335 * tests/actions.at (Printers and Destructors): Update names.
7336
7337 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
7338
7339 Add comparison operators for C++ location classes. Discussed at
7340 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
7341 * data/c++.m4 (b4_define_location_comparison): New boolean %define
7342 declaration indicating whether filename_type has an operator==. If
7343 filename_type is `std::string', it defaults to `1', `0' otherwise.
7344 * data/location.cc: Iff b4_define_location_comparison is `1', add
7345 operator== and operator!= for class position and for class location.
7346
7347 Some minor fixes.
7348 * src/scan-action.l: Remove unused file.
7349 * src/symtab.c (symbol_printer_set): Use printer_location not
7350 destructor_location.
7351 * src/symtab.h (struct symbol): Replace incorrect source comment for
7352 printer members.
7353 * tests/input.at (Incompatible Aliases): Update output with correct
7354 printer location.
7355
7356 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
7357
7358 Don't put the pre-prologue in the header file. For the yacc.c code
7359 file and the glr.c header and code files, move the pre-prologue before
7360 the token definitions. Add new %before-definitions and
7361 %after-definitions to declare code that will go in both the header file
7362 and code file. Discussed at
7363 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
7364 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
7365 and
7366 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
7367 * NEWS (2.3+): Describe these changes.
7368 * data/glr.c (b4_pre_prologue): Move from within to before...
7369 (b4_shared_declarations): ... this.
7370 Add new b4_before_definitions before b4_token_enums.
7371 Add new b4_after_definitions at the end.
7372 * data/glr.cc (b4_pre_prologue): Replace with...
7373 (b4_before_definitions): ... this in the header file.
7374 (b4_after_definitions): New near the end of the header file.
7375 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
7376 code file right before including the header file.
7377 (b4_before_definitions): New in the previous position of
7378 b4_pre_prologue in the header file.
7379 (b4_after_definitions): New near the end of the header file.
7380 * data/yacc.c: Clean up some m4 quoting especially in the header file.
7381 (b4_token_enums_defines): In the code file, move to right before
7382 YYSTYPE for consistency with the header file.
7383 (b4_before_definitions): New right before b4_token_enums_defines in
7384 both the header and code file.
7385 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
7386 header and code file.
7387 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
7388 of prologues for %union dependencies.
7389 (Decl Summary): In %defines description, mention the effect of
7390 %before-definitions and %after-definitions on the header file.
7391 (Calc++ Parser): Forward declare driver in a %before-definitions rather
7392 than in the pre-prologue so that make check succeeds.
7393 (Table of Symbols): Add entries for %before-definitions and
7394 %after-definitions.
7395 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
7396 %before-definitions.
7397 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
7398 (declaration): Parse those declarations and append to
7399 b4_before_definitions and b4_after_definitions, respectively.
7400 * src/reader.c (before_definitions, after_definitions): New bools to
7401 track whether those declarations have been seen.
7402 (prologue_augment): Add to the post-prologue if %union,
7403 %before-definitions, or %after-definitions has been seen.
7404 * src/reader.h (before_definitions, after_definitions): New extern's.
7405 * src/scan-gram.l: Scan the new declarations.
7406 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
7407 prologue block in a %before-definitions or a %after-definitions based
7408 on whether the %union is declared.
7409 * tests/regression.at (Early token definitions with --yacc, Early token
7410 definitions without --yacc): Move tests for token definitions into the
7411 post-prologue since token names are no longer defined in the
7412 pre-prologue.
7413
7414 2006-06-20 Akim Demaille <akim@epita.fr>
7415
7416 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
7417 (symbol_get): Use it.
7418 * src/parse-gram.y: Use it.
7419
7420 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
7421
7422 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
7423 build succeeds when configured with --enable-gcc-warnings.
7424
7425 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
7426
7427 * src/parse-gram.y (char_name): New function.
7428 (CHAR, STRING, string_content): For %printer, properly escape.
7429 (ID): Prefer fputs to fprintf.
7430 (id): Reindent to be consistent with other rules.
7431 Properly quote char.
7432
7433 The Translation Project changed its way of publishing translations
7434 to maintainers. I haven't received any responses to my request
7435 for supporting the old way, or for documenting the new way. I
7436 have modified 'bootstrap' to use screen scraping
7437 (in this case, HTML scraping). This is unreliable and inelegant,
7438 but I don't see any better way. Yuck.
7439 * bootstrap (TP_URL, WGET_COMMAND): New vars.
7440 (get_translations): New function, which uses HTML scraping to
7441 deduce locations of latest translations.
7442 Use this function to grab both bison and bison-runtime .po files.
7443 Don't bother priming the pump for the runtime-po domain any more,
7444 as it's now translated better than bison is.
7445
7446 2006-06-19 Akim Demaille <akim@epita.fr>
7447
7448 * src/scan-gram.l: No longer "parse" things after `%union' until
7449 `{'. Rather, return a single "%union" token.
7450 No longer make symbols: return strings, and leave the conversion
7451 to symbols to the parser.
7452 (SC_PRE_CODE, token_type): Remove.
7453 * src/parse-gram.y (%union): New field `character'.
7454 Sort tokens.
7455 (CHAR): New token.
7456 (ID, ID_COLON): Now that the scanner no longer makes them
7457 identifiers, adjust all uses to invoke symbol_get.
7458 (id_colon): New, wraps the conversion from string to symbol.
7459 (%union): Accept a possible union_name.
7460 (symbol): Now can be a char.
7461 * data/c.m4 (b4_union_name): Leave a default value.
7462 * data/glr.c, data/yacc.c: Use it.
7463
7464 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
7465
7466 For associating token numbers with token names for "yacc.c", don't use
7467 #define statements unless `--yacc' is specified; always use enum
7468 yytokentype. Most important discussions start at:
7469 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
7470 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
7471 and
7472 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
7473 * NEWS (2.3+): Mention.
7474 * data/c.m4 (b4_yacc_if): New.
7475 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
7476 token #define's.
7477 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
7478 on token name definitions.
7479 * src/getargs.c (usage): Capitalize `Yacc' in English.
7480 * src/output.c (prepare): Define b4_yacc_flag.
7481 * tests/regression.at (Early token definitions): Test that tokens names
7482 are defined before the pre-prologue not just before the post-prologue.
7483 Remove this test case and copy to...
7484 (Early token definitions with --yacc): ... this to test #define's.
7485 (Early token definitions without --yacc): ... and this to test enums.
7486
7487 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
7488
7489 * NEWS: Reword the post-2.3 change to not be so optimistic about
7490 removing the old "look-ahead" spelling.
7491 Update previous look-ahead/lookahead change reports.
7492 * REFERENCES: look-ahead -> lookahead (since that's
7493 what he actually wrote).
7494 * doc/refcard.tex: look ahead -> lookahead,
7495 look-ahead -> lookahead
7496
7497 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
7498
7499 For consistency, use `lookahead' instead of `look-ahead' or
7500 `look_ahead'. Discussed starting at
7501 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
7502 and then at
7503 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
7504 * NEWS: For the next release, note the change to `--report'.
7505 * TODO, doc/bison.1: Update English.
7506 * doc/bison.texinfo: Update English.
7507 (Understanding Your Parser, Bison Options): Document as
7508 `--report=lookahead' rather than `--report=look-ahead'.
7509 * src/conflicts.c: Update English in comments.
7510 (lookahead_set): Rename from look_ahead_set.
7511 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
7512 (resolve_sr_conflict): Rename local look_ahead_tokens to
7513 lookahead_tokens, and update other uses.
7514 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
7515 count_rr_conflicts, conflicts_free): Update uses.
7516 * src/getargs.c (report_args): Move "lookahead" before alternate
7517 spellings.
7518 (report_types): Update uses.
7519 (usage): For `--report' usage description, state `lookahead' spelling
7520 rather than `look-ahead'.
7521 * src/getargs.h (report.report_lookahead_tokens): Rename from
7522 report_look_ahead_tokens.
7523 * src/lalr.c: Update English in comments.
7524 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
7525 (state_lookahead_tokens_count): Rename from
7526 state_look_ahead_tokens_count.
7527 Rename local n_look_ahead_tokens to n_lookahead_tokens.
7528 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
7529 Rename local n_look_ahead_tokens to n_lookahead_tokens.
7530 Update other uses.
7531 Update English in output.
7532 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
7533 * src/print.c: Update English in comments.
7534 (lookahead_set): Rename from look_ahead_set.
7535 (print_reduction): Rename argument lookahead_token from
7536 look_ahead_token.
7537 (print_core, state_default_rule, print_reductions, print_results):
7538 Update uses.
7539 * src/print_graph.c: Update English in comments.
7540 (print_core): Update uses.
7541 * src/state.c: Update English in comments.
7542 (reductions_new): Update uses.
7543 (state_rule_lookahead_tokens_print): Rename from
7544 state_rule_look_ahead_tokens_print, and update other uses.
7545 * src/state.h: Update English in comments.
7546 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
7547 (state_rule_lookahead_tokens_print): Rename from
7548 state_rule_look_ahead_tokens_print.
7549 * src/tables.c: Update English in comments.
7550 (conflict_row, action_row): Update uses.
7551 * tests/glr-regression.at
7552 (Incorrect lookahead during deterministic GLR,
7553 Incorrect lookahead during nondeterministic GLR): Rename
7554 print_look_ahead to print_lookahead.
7555 * tests/torture.at: Update English in comments.
7556 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
7557 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
7558 (Many lookahead tokens): Update uses.
7559 * data/glr.c: Update English in comments.
7560 * lalr1.cc: Likewise.
7561 * yacc.c: Likewise.
7562 * src/conflicts.h: Likewise.
7563 * src/lalr.h: Likewise.
7564 * src/main.c: Likewise.
7565 * src/output.c: Likewise.
7566 * src/parse-gram.c: Likewise.
7567 * src/tables.h: Likewise.
7568 * tests/calc.at: Likewise.
7569
7570 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
7571
7572 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
7573
7574 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
7575
7576 * TODO: Add request from Nelson H. F. Beebe to be able to install
7577 Bison without installing the yacc script.
7578
7579 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
7580
7581 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
7582 and yytext if they're already #define'd.
7583 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
7584 * src/scan-code-c.c: ... here.
7585 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
7586 <config.h>.
7587
7588 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
7589
7590 Get Bison to build again when configured with --enable-gcc-warnings.
7591 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
7592 missing #include's.
7593 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
7594 loc argument as it shadows a global.
7595 * src/scan-gram.l: Remove stray comma that prevents boundary_set
7596 invocation.
7597
7598 * src/.cvsignore: Add scan-code.c.
7599
7600 2006-06-07 Akim Demaille <akim@epita.fr>
7601
7602 * src/scan-gram.l: Move the "add a trailing ; to actions" code
7603 to...
7604 * src/scan-code.l: here.
7605 * tests/input.at (Torturing the Scanner): Fix another location
7606 error.
7607
7608 2006-06-07 Akim Demaille <akim@epita.fr>
7609
7610 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
7611
7612 2006-06-06 Akim Demaille <akim@epita.fr>
7613
7614 Extract the parsing of user actions from the grammar scanner.
7615 As a consequence, the relation between the grammar scanner and
7616 parser is much simpler. We can also split "composite tokens" back
7617 into simple tokens.
7618 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
7619 * src/scan-gram.l (add_column_width, adjust_location): Move to and
7620 rename as...
7621 * src/location.h, src/location.c (add_column_width)
7622 (location_compute): these.
7623 Fix the column count: the initial column is 0.
7624 (location_print): Be robust to ending column being 0.
7625 * src/location.h (boundary_set): New.
7626 * src/main.c: Adjust to scanner_free being renamed as
7627 gram_scanner_free.
7628 * src/output.c: Include scan-code.h.
7629 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
7630 Use boundary_set.
7631 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
7632 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
7633 which is now, again, a separate token.
7634 Adjust all dependencies.
7635 Whereever actions with $ and @ are used, use translate_code.
7636 (action): Remove this nonterminal which is now useless.
7637 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
7638 (grammar_current_rule_action_append): Use translate_code.
7639 (packgram): Bound check ruleno, itemno, and rule_length.
7640 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
7641 (last_string, last_braced_code_loc, max_left_semantic_context)
7642 (scanner_initialize, scanner_free, scanner_last_string_free)
7643 (gram_out, gram_lineno, YY_DECL_): Move to...
7644 * src/scan-gram.h: this new file.
7645 (YY_DECL): Rename as...
7646 (GRAM_DECL): this.
7647 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
7648 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
7649 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
7650 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
7651 Move these declarations, and...
7652 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
7653 these to...
7654 * src/flex-scanner.h: this new file.
7655 * src/scan-gram.l (rule_length, rule_length_overflow)
7656 (increment_rule_length): Remove.
7657 (last_braced_code_loc): Rename as...
7658 (gram_last_braced_code_loc): this.
7659 Adjust to the changes of the parser.
7660 Move all the handling of $ and @ into...
7661 * src/scan-code.l: here.
7662 * src/scan-gram.l (handle_dollar, handle_at): Remove.
7663 (handle_action_dollar, handle_action_at): Move to...
7664 * src/scan-code.l: here.
7665 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
7666 scan-code.h, scan-code-c.c, scan-gram.h.
7667 (EXTRA_bison_SOURCES): Add scan-code.l.
7668 (BUILT_SOURCES): Add scan-code.c.
7669 (yacc): Be robust to white spaces.
7670
7671 * tests/conflicts.at, tests/input.at, tests/reduce.at,
7672 * tests/regression.at: Adjust the column numbers.
7673 * tests/regression.at: Adjust the error message.
7674
7675 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
7676
7677 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7678 Use Akim's wording from
7679 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
7680
7681 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
7682
7683 Between Bison releases, manually append `+' to the previous Bison
7684 release number, and use that as a signal to automatically print the
7685 ChangeLog's CVS Id keyword from --version. Discussed starting at
7686 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
7687 * ChangeLog: Add Id header.
7688 * configure.ac (AC_INIT): Append `+' to `2.3'.
7689 * src/.cvsignore: Add revision.c.
7690 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
7691 (BUILT_SOURCES): Add revision.c.
7692 (revision.c): New target rule. This file defines a new global variable
7693 named revision. It initializes it with either the Id from ChangeLog
7694 or, if VERSION doesn't contain `+', with the empty string.
7695 * src/getargs.c (version): Print the value of revision.
7696 * src/revision.h: Extern revision.
7697
7698 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
7699
7700 * NEWS: Version 2.3.
7701 * configure.ac (AC_INIT): Likewise.
7702
7703 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
7704
7705 * data/glr.c (YYRECOVERING): Define to be a function-like macro
7706 with no arguments, not as an object-like macro. This is for
7707 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
7708 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
7709 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
7710 Document this.
7711
7712 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
7713
7714 * src/getargs.c (usage): Back out yesterday's modification of the
7715 --help output so that we don't have to wait for translation before
7716 releasing 2.3.
7717
7718 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
7719
7720 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
7721 Problem reported by Akim Demaille.
7722
7723 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
7724
7725 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7726
7727 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
7728
7729 * data/yacc.c (yy_reduce_print): Omit trailing white space in
7730 generated source code. Problem reported by Frans Englich in
7731 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
7732
7733 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
7734
7735 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
7736 shell, not within 'make', so that 'make' by an ordinary builder
7737 (using GNU make) does not worry about configuring gzip. This also
7738 works around a bug reported independently by Keith Thompson and by
7739 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
7740 stderr rather than stdout, messing up the build logs.
7741
7742 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7743
7744 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
7745 to make sure that YYID will never be unused. This fixes a 'make
7746 maintainer-check' failure caused by the recent changes to the 'Trivial
7747 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
7748 not used.
7749 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
7750
7751 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7752
7753 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
7754 state before an empty RHS is always resolved here. Only the location
7755 of that state is guaranteed to be resolved, and that's enough. This
7756 fixes the remaining bug reported by Derek M. Jones in
7757 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7758 * tests/glr-regression.at (Uninitialized location when reporting
7759 ambiguity): Test the above case.
7760 Also, the embedded comments in this test case claim it checks the case
7761 of an empty RHS that has inherited the initial location. However, the
7762 corresponding LHS was already resolved, so yyresolveLocations didn't
7763 actually have reason to modify it. Fix this by forcing
7764 nondeterministic operation at the beginning of the parse.
7765
7766 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
7767
7768 * data/c.m4 (b4_yy_symbol_print_generate):
7769 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
7770 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
7771 of the bugs reported today by Derek M Jones in
7772 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7773 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
7774 defined to be a type name without parens or brackets.
7775 (Location Type): Similarly for YYLTYPE.
7776 * tests/regression.at (Trivial grammars): Put in a test for this
7777 bug that will be caught by 'make maintainer-check' (though not,
7778 alas, by 'make check' unless your compiler is picky).
7779
7780 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
7781
7782 * NEWS: Version 2.2.
7783 * configure.ac (AC_INIT): Likewise.
7784
7785 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
7786
7787 * data/glr.c (yyreportTree): Make room in yystates for the state
7788 preceding the RHS. This fixes the segmentation fault reported by Derek
7789 M. Jones in
7790 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
7791 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
7792 to the user. Reported for yyreportTree by Derek M. Jones later in the
7793 same thread.
7794 * THANKS: Add Derek M. Jones.
7795 Update my email address.
7796 Fix typo in Steve Murphy's name.
7797
7798 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
7799
7800 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
7801 checking against YYLAST that caused the parser to miss a potential
7802 alternative in its diagnostic.
7803 Problem reported by Maria Jose Moron Fernandez in
7804 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
7805 * data/lalr1.cc (yysyntax_error_): Likewise.
7806 * data/yacc.c (yysyntax_error): Likewise.
7807 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
7808 tokens, in case we run into an older C compiler.
7809 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
7810 Use them to check for the off-by-one error fixed above.
7811
7812 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
7813 YYSIZE_T, not size_t.
7814 * tests/regression.at (Trivial grammars): New test, to catch
7815 the error fixed by the above patch.
7816
7817 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7818
7819 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
7820 scheme.
7821 Reported by Steve Murphy.
7822
7823 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7824
7825 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
7826 * data/glr.cc: b4_location_flag is now b4_locations_flag.
7827
7828 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7829
7830 Implement --trace=m4.
7831 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
7832 * src/output.c (output_skeleton): When set, pass -dV to m4.
7833
7834 Factor the handling of flags in m4.
7835 * src/output.c (prepare): Rename the muscle names debug, defines,
7836 error_verbose to debug_flag, defines_flag, error_verbose_flag.
7837 * data/c.m4: Adjust.
7838 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
7839 Use b4_define_flag_if to define other b4_FLAG_if macros.
7840 (b4_location_if): As a consequence, rename as...
7841 (b4_locations_if): this, for consistency.
7842 Adjust all the skeletons.
7843
7844 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7845
7846 * etc/bench.pm: Shorten bench names.
7847
7848 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7849
7850 * src/output.h, src/output.c (error_verbose): Move to...
7851 * src/getargs.h, src/getargs.c: here.
7852 Sort the flags.
7853 Adjust dependencies.
7854
7855 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
7856
7857 * data/c.m4 (b4_copyright): Put the special exception for Bison
7858 skeletons here, so we don't have to put it in each skeleton. All
7859 uses changed. Suggested by Akim Demaille. Also, wrap the
7860 copyright notice, in case it is longer than 80 columns. Replace
7861 comma by newline after title.
7862
7863 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
7864
7865 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
7866 incompatibility, not a bug. Mention that it wasn't fixed as of
7867 flex 2.5.33.
7868
7869 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7870
7871 * examples/extexi: Enforce the precedence of concatenation over
7872 >>.
7873 Reported by Tommy Nordgren.
7874
7875 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7876
7877 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
7878 with the member "token".
7879 Reported by Martin Nylin.
7880
7881 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
7882
7883 * data/glr.c: Switch to Bison 2.2 special-exception language in
7884 the copyright notice. Use more-regular format for titles and
7885 copyright notices.
7886 * data/glr.cc: Likewise.
7887 * data/location.cc: Likewise.
7888 * data/yacc.cc: Likewise.
7889 * doc/bison.texinfo (Conditions): Document this.
7890 * NEWS: likewise. Upgrade version to 2.2.
7891
7892 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
7893
7894 * data/glr.cc: Remove dead code.
7895
7896 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
7897
7898 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
7899 that variable and the line breaks the bootstrap. Problem reported
7900 by Juan M. Guerrero.
7901
7902 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7903
7904 * doc/bison.texinfo (Multiple start-symbols): New.
7905
7906 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7907
7908 * etc/README, etc/bench.pl: New.
7909
7910 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
7911
7912 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
7913 rule.
7914 Reported by Mickael Labau.
7915 * tests/input.at (Torturing the Scanner): Test it.
7916
7917 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
7918
7919 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
7920 Problem reported by Bob Rossi.
7921
7922 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
7923
7924 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
7925 and didn't really work.
7926 For the index, use @ifnotinfo, not @iftex.
7927 Minor cleanups of spacing and terminology.
7928
7929 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7930
7931 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
7932 of AT_NAME_PREFIX when %name-prefix is not used.
7933
7934 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7935
7936 Apply --prefix to C++ skeletons too: they change the namespace.
7937 The test suite already exercize these cases.
7938 * data/c++.m4 (b4_namespace): New.
7939 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
7940 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
7941 * data/yacc.c, data/glr.c: Remove a useless `[]'.
7942 * doc/bison.texinfo: Document it.
7943 (Option Cross Key): Use @multitable in all formats. It looks
7944 nicer, even in TeX outputs.
7945 (Rules): Use the same code whatever the output type is.
7946 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
7947 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
7948 * tests/calc.at: Use it, instead of hard coding `yy'.
7949
7950 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7951
7952 * TODO: Remove dead items.
7953
7954 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7955
7956 * doc/FAQ: Remove, merged into...
7957 * doc/bison.texinfo (FAQ): this.
7958 * doc/Makefile.am (EXTRA_DIST): Adjust.
7959
7960 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7961
7962 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
7963 even if empty.
7964 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
7965 * doc/bison.texinfo (Calc++ Scanner): Use it.
7966
7967 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
7968
7969 Fix two nits reported by twlevo, plus one more that I discovered.
7970
7971 * src/assoc.h (assoc_to_string): Give a name to the arg, as
7972 this is the usual Bison style.
7973 * src/location.h (location_print): Likewise.
7974
7975 * src/reader.h (token_name): Likewise.
7976
7977 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
7978
7979 Fix some nits reported by twlevo.
7980 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
7981 and "POSIX". Use more-modern syntax for URLs. Mention C++
7982 and ask for Java. Don't hardwire OS version numbers. Add
7983 copyright notice.
7984 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
7985 * src/conflicts.c (solved_conflicts_obstack): Now static.
7986
7987 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
7988
7989 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
7990 page. Say "you can use it" not "you may use it" as on the web page;
7991 we're describing capabilities not granting permission.
7992
7993 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
7994
7995 * data/glr.c (yyresolveLocations): Rename local variables to avoid
7996 shadowing warnings. Use usual patter for iterating through RHS.
7997 * tests/glr-regression.at
7998 (Uninitialized location when reporting ambiguity):
7999 Modify yylex so that it uses its argument, rather than trying
8000 to rely on ARGSUSED (which doesn't work for gcc with warnings).
8001 const char -> char const.
8002
8003 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
8004 Don't use tabs inside commands; it messes up 'ps'.
8005 Problem reported by twlevo.
8006
8007 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
8008
8009 * tests/glr-regression.at (Uninitialized location when reporting
8010 ambiguity): New test case.
8011 * data/glr.c (yyresolveLocations): New function, which uses
8012 YYLLOC_DEFAULT.
8013 (yyresolveValue): Invoke yyresolveLocations before reporting an
8014 ambiguity.
8015 * doc/bison.texinfo (Default Action for Locations): Note
8016 YYLLOC_DEFAULT's usage for ambiguity locations.
8017 (GLR Semantic Actions): Cross-reference those notes.
8018
8019 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
8020
8021 * tests/glr-regression.at (Leaked semantic values when reporting
8022 ambiguity): Remove unnecessary union and type declarations.
8023 (Leaked lookahead after nondeterministic parse syntax error): New test
8024 case.
8025 * data/glr.c (yyparse): Check for zero stacks remaining before
8026 attempting to shift the lookahead so that you don't lose it.
8027
8028 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8029
8030 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
8031 * tests/glr-regression.at (Leaked semantic values when reporting
8032 ambiguity): New test case.
8033 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
8034 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
8035 now unnecessary yystackp parameter.
8036 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
8037 destructors can be called.
8038
8039 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
8040 in existing testcases.
8041
8042 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8043
8044 Don't leak semantic values for parent RHS when a user action cuts the
8045 parser, and clean up related code a bit.
8046 * tests/glr-regression.at (Leaked merged semantic value if user action
8047 cuts parse): Rename to...
8048 (Leaked semantic values if user action cuts parse): ... this. Add check
8049 for leaked parent RHS values.
8050 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
8051 between an unresolved state (non-empty chain of semantic options) and
8052 an incomplete one (signaled by an empty chain).
8053 (yyresolveStates): Document the interface. Move all manipulation of a
8054 successfully or unsuccessfully resolved yyGLRState to...
8055 (yyresolveValue): ... here so that yyresolveValue always leaves a
8056 yyGLRState with consistent data and thus is easier to understand.
8057 Remove the yyvalp and yylocp parameters since they are always just
8058 taken from the yys parameter. When reporting a discarded merged value
8059 in debugging output, note that it is incompletely merged. Document the
8060 interface.
8061 (yyresolveAction): If resolving any of the RHS states fails, destroy
8062 them all rather than leaking them. Thus, as long as user actions are
8063 written to clean up the RHS correctly, yyresolveAction always cleans up
8064 the RHS of a semantic option. Document the interface.
8065
8066 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
8067
8068 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
8069 led to a segmentation fault in GNU Pascal. Problem reported
8070 by Waldek Hebisch.
8071
8072 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
8073
8074 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
8075 mid-rule action inside a nonterminal symbol in order to declare a
8076 destructor for its semantic value.
8077
8078 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
8079
8080 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
8081 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
8082 __cplusplus && ! defined _STDLIB_H && !
8083 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
8084 defined free))]: Include <stdlib.h> rather than rolling our own
8085 declarations of malloc and free, to avoid problems with
8086 incompatible declarations (using 'throw') C++'s stdlib.h. This
8087 should fix Debian bug 340012
8088 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
8089 reported by Guillaume Melquiond.
8090
8091 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8092
8093 * NEWS: Clarify symbols versus types in unused-value warnings.
8094
8095 * configure.ac (AC_INIT): Bump version number.
8096
8097 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8098
8099 * NEWS: Version 2.1a.
8100 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
8101 since C99 requires this.
8102
8103 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
8104
8105 * m4/c-working.m4: New file.
8106 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
8107
8108 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
8109
8110 * Makefile.maint: Merge from coreutils.
8111
8112 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
8113
8114 More portability fixes for problems summarized by Nelson H. F. Beebe.
8115
8116 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
8117 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
8118 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
8119 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
8120 messes up because C++ code is compiled in 32-bit mode but linked
8121 in 64-bit mode.
8122
8123 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
8124
8125 More portability fixes for problems summarized by Nelson H. F. Beebe.
8126
8127 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
8128 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
8129
8130 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
8131 nodist_PROGRAMS, since we don't need to actually compile the
8132 example if we're just doing a plain 'make'. This avoids bothering
8133 the installer unnecessarily about problems due to weird C++
8134 compilers.
8135
8136 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
8137
8138 More portability fixes for problems summarized by Nelson H. F. Beebe.
8139
8140 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
8141 than #include "...", and compile with -I'.'. The old method was
8142 not portable, according to Posix and the C standard, and it does
8143 not work with Sun C 5.7, where previous #line directives affect
8144 the working directory used in later #include "..." directives.
8145
8146 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8147
8148 Various DJGGP specific issues in /djgpp
8149
8150 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
8151
8152 More portability fixes for problems summarized by Nelson H. F. Beebe.
8153
8154 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
8155 '#include <map>' works and that you can apply ++ to iterators.
8156
8157 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
8158
8159 Work around portability problems summarized by Nelson H. F. Beebe in
8160 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
8161
8162 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
8163 that '#include <string>' works.
8164
8165 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
8166 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
8167 "warning: sorry: semantics of inline function static data `const
8168 unsigned char translate_table[262]' are wrong (you'll wind up with
8169 multiple copies)".
8170
8171 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
8172 or, xor to not_, and_, or_, and xor_, respectively. This works
8173 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
8174 random system header somewhere that includes the equivalent of
8175 <iso646.h>.
8176
8177 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
8178 -E" works; it apparently doesn't work with PathScale EKO Compiler
8179 Suite Version 2.0.
8180
8181 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
8182
8183 During deterministic GLR operation, user actions should be able to
8184 influence the parse by changing yychar. To make this easier to fix and
8185 to make glr.c easier to evolve in general, don't maintain yytoken in
8186 parallel with yychar; just compute yytoken when needed.
8187 * tests/glr-regression.at (Incorrect lookahead during deterministic
8188 GLR): Check that setting yychar in a user action has the intended
8189 effect.
8190 * data/glr.c (yyGLRStack): Remove yytokenp member.
8191 (yyclearin): Don't set *yytokenp.
8192 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
8193 yychar rather than *yytokenp to determine the current lookahead.
8194 Compute yytoken locally when needed.
8195 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
8196 point to.
8197
8198 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
8199 after `--report' documentation.
8200
8201 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
8202
8203 * src/parse-gram.y (grammar_declaration): Location of printer
8204 symbol is @1, not list->location. Bug reported by twlevo.
8205 * tests/input.at (Incompatible Aliases): Adjust to above change.
8206
8207 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
8208
8209 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
8210 all the test at once. This makes the output easier to read in the
8211 normal case.
8212
8213 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
8214 got from <http://bro-ids.org/download.html>. The bug is that
8215 when two actions appeared in succession, the second one was
8216 scanned before the first one was added to the grammar rule
8217 as a midrule action. Bison then output the incorrect warning
8218 "parse.y:905.17-906.36: warning: unused value: $3".
8219 * src/parse-gram.y (BRACED_CODE, action): These are no longer
8220 associated with a value.
8221 (rhs): Don't invoke grammar_current_rule_action_append.
8222 (action): Invoke it here instead.
8223 * src/reader.c (grammar_midrule_action): Now extern.
8224 (grammar_current_rule_action_append): Don't invoke
8225 grammar_midrule_action; that is now the scanner's job.
8226 * src/reader.h (last_string, last_braced_code_loc):
8227 (grammar_midrule_action): New decls.
8228 * src/scan-gram.l (last_string): Now extern, sigh.
8229 (last_braced_code_loc): New extern variable.
8230 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
8231 rule already has an action.
8232 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
8233 * tests/input.at (AT_CHECK_UNUSED_VALUES):
8234 Add some tests to check that the above changes fixed the bug.
8235
8236 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
8237
8238 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
8239 All used changed. Check whether the symbol has a destructor,
8240 not whether it is typed.
8241 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
8242 that the values are still reported as unused. All line numbers
8243 adjusted.
8244
8245 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
8246
8247 Work around a bug in bro 0.8, which underparenthesizes its
8248 definition of YYLLOC_DEFAULT.
8249 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
8250 their arguments.
8251 * data/lalr1.cc: Likewise.
8252 * data/yacc.cc: Likewise.
8253
8254 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
8255
8256 Work around a bug in Pike 7.0, and give the Pike folks a
8257 better way to override the usual int widths.
8258 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
8259 user can override the types.
8260 (short): #undef, to work around a bug in Pike 7.0.
8261 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
8262 (union yyalloc.yyss): Use yytype_int16 rather than short.
8263 All uses changed.
8264 (yysigned_char): Remove.
8265 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
8266 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
8267 * tests/regression.at (Web2c Actions): Adjust to above changes.
8268
8269 * src/reader.c (check_and_convert_grammar): New function.
8270 (reader): Close the input file even if something went wrong during
8271 parsing. Minor file descriptor leak reported by twlevo.
8272
8273 * src/assoc.c (assoc_to_string): Use a default: abort (); case
8274 to pacify gcc -Wswitch-default.
8275 * src/scan-gram.l (adjust_location): Use a default: break; case
8276 to pacify gcc -Wswitch-default.
8277 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
8278 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
8279 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
8280 Move these decls to scan-skel.l, since they don't need to be
8281 visible elsewhere.
8282 * src/scan-skel.l: Accept the above decls.
8283 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
8284 is used.
8285
8286 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
8287
8288 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
8289 since we don't want to insist on a version number at the start
8290 of the changelog every time.
8291 * Makefile.maint: Sync from coreutils a bit better.
8292 (sc_trailing_blank): Renamed from sc_trailing_space.
8293 All uses changed.
8294 (sc_no_if_have_config_h, sc_require_config_h):
8295 (sc_prohibit_assert_without_use): New rules.
8296 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
8297 (sc_dd_max_sym_length): Fix leading spaces in rule.
8298 (sc_system_h_headers): Prefix with @.
8299 (sc_useless_cpp_parens, m4-check): Output line numbers.
8300 (changelog-check): Allow version only in head.
8301 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
8302 satisfy new Makefile.maint rule.
8303 * data/glr.c: Likewise.
8304 * data/glr.cc: Likewise.
8305 * data/lalr1.cc: Likewise.
8306 * data/yacc.c: Likewise.
8307 * lib/ebitsetv.c: Likewise.
8308 * lib/lbitset.c: Likewise.
8309 * lib/subpipe.c: Likewise.
8310 * lib/timevar.c: Likewise.
8311 * src/system.h: Likewise.
8312 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
8313 * djgpp/Makefile.maint: Add copyright notice.
8314 * djgpp/README.in: Likewise.
8315 * djgpp/config.bat: Likewise.
8316 * djgpp/config.site: Likewise.
8317 * djgpp/config_h.sed: Likewise.
8318 * djgpp/djunpack.bat: Likewise.
8319 * djgpp/config.sed: Fix copyright notice to match standard format.
8320 * djgpp/subpipe.h: Likewise.
8321 * lib/bitsetv-print.c: Likewise.
8322 * lib/bitsetv.c: Likewise.
8323 * lib/subpipe.h: Likewise.
8324 * lib/timevar.c: Likewise.
8325 * lib/timevar.h: Likewise.
8326 * djgpp/subpipe.c: Use standard recipe for config.h.
8327 * lib/abitset.c: Likewise.
8328 * lib/bitset.c: Likewise.
8329 * lib/bitset_stats.c: Likewise.
8330 * lib/bitsetv-print.c: Likewise.
8331 * lib/bitsetv.c: Likewise.
8332 * lib/ebitsetv.c: Likewise.
8333 * lib/get-errno.c: Likewise.
8334 * lib/lbitset.c: Likewise.
8335 * lib/subpipe.c: Likewise.
8336 * lib/timevar.c: Likewise.
8337 * lib/vbitset.c: Likewise.
8338 * tests/local.at: Likewise.
8339 * src/scan-gram.l: Don't include verify.h, since system.h does
8340 that for us.
8341 * .x-sc_require_config_h: New file.
8342 * .x-sc_unmarked_diagnostics: New file.
8343
8344 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
8345
8346 Be a bit more systematic about using 'abort'.
8347 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
8348 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
8349 Put 'default: abort ();' before some other case, to satisfy older
8350 pedantic compilers.
8351 * lib/bitset_stats.c (bitset_stats_init): Likewise.
8352 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
8353 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
8354 * src/conflicts.c (resolve_sr_conflict): Likewise.
8355 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
8356 (get_decision_str, get_orientation_str, get_node_alignment_str):
8357 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
8358 (get_linestyle_str, get_arrowstyle_str): Likewise.
8359 * src/conflicts.c (resolve_sr_conflict):
8360 Use a default case rather than one for the one remaining enum
8361 value, to catch invalid enum values as well.
8362 * src/lalr.c (set_goto_map, map_goto):
8363 Prefer "assert (FOO);" to "if (!FOO) abort ();".
8364 * src/nullable.c (nullable_compute, token_definitions_output):
8365 Likewise.
8366 * src/reader.c (packgram, reader): Likewise.
8367 * src/state.c (transitions_to, state_new, state_reduction_find):
8368 Likewise.
8369 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
8370 (symbol_pack): Likewise.
8371 * src/tables.c (conflict_row, pack_vector): Likewise.
8372 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
8373 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
8374 * src/system.h: Don't include <assert.h>.
8375 (assert): New macro.
8376
8377 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
8378 (Destructor Decl, Parser Function, Pure Calling):
8379 Describe rules for braces inside C code more carefully.
8380
8381 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
8382
8383 Fix some porting glitches found by Nelson H. F. Beebe.
8384 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
8385 compilers that don't understand that abort () does not return.
8386 * src/state.c (transitions_to): Likewise.
8387 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
8388 that '#include <cstdlib>' works.
8389 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
8390 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
8391 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
8392 for the benefit of some pre-C99 compilers.
8393
8394 * bootstrap: Undo changes to gnulib files that autoreconf made.
8395
8396 Minor fixups to get 'make maintainer-check' to work.
8397 * configure.ac: Don't use -Wnested-externs, as it's incompatible
8398 with the new verify.h implementation.
8399 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
8400 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
8401 * data/yacc.c (YYUSE): Likewise.
8402 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
8403 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
8404 * src/parse-gram.y (declaration): Don't pass a string constant
8405 to a function that expects char *, since GCC might complain
8406 about the constant value.
8407 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
8408 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
8409 before #defining them.
8410 * tests/glr-regression.at
8411 (Incorrectly initialized location for empty right-hand side in GLR):
8412 In yyerror, use the msg arg.
8413 (Corrupted semantic options if user action cuts parse):
8414 (Incorrect lookahead during deterministic GLR):
8415 (Incorrect lookahead during nondeterministic GLR):
8416 Don't name a local var 'index'; it shadows string.h's 'index'.
8417
8418 2006-01-19 Akim Demaille <akim@epita.fr>
8419
8420 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
8421 location, not just parts of it.
8422
8423 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
8424
8425 * NEWS: Document the fact that multiple %unions are now allowed.
8426 * doc/bison.texinfo (Union Decl): Likewise.
8427 * TODO: This feature is now implemented, so remove it from
8428 the wishlist.
8429
8430 * Makefile.maint: Merge with coreutils Makefile.maint.
8431 (CVS_LIST): Use build-aux version if available.
8432 (VERSION_REGEXP): New macro.
8433 (syntax-check-rules): Add sc_no_if_have_config_h,
8434 sc_prohibit_assert_without_use, sc_require_config_h,
8435 sc_useless_cpp_parens.
8436 (sc_obsolete_symbols): Check for O_NDELAY.
8437 (sc_dd_max_sym_length): Track coreutils.
8438 (sc_unmarked_diagnostics): Look in all files, not just *.c.
8439 (sc_useless_cpp_parens): New rule.
8440 (news-date-check): Look for version or today's date.
8441 (changelog-check): Don't require version number near head.
8442 (copyright-check): Use current year instead of hardwiring 2005.
8443 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
8444 (announcement): Add --gpg-key-ID.
8445
8446 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
8447 with "file system".
8448
8449 Avoid undefined behavior that addressed just before the start of an
8450 array. Problem reported by twlevo.
8451 * src/reader.c (packgram): Prepend a new sentinel before ritem.
8452 * src/lalr.c (build_relations): Rely on new sentinel.
8453 * src/gram.c (gram_free): Adjust to new sentinel.
8454
8455 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
8456
8457 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
8458 yylookaheadNeeds. All uses updated.
8459 (yysplitStack): Rename local yynewLookaheadStatuses to
8460 yynewLookaheadNeeds.
8461 * data/glr-regression.at (Incorrect lookahead during nondeterministic
8462 GLR): In comments, change `lookahead status' to `lookahead need'.
8463
8464 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8465
8466 * data/glr.c (yysplitStack): A little stylistic rewrite.
8467
8468 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8469
8470 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
8471
8472 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
8473
8474 * doc/bison.texinfo: Fix some typos.
8475 (GLR Semantic Actions): New subsection discussing special
8476 considerations because GLR semantic actions might be deferred.
8477 (Actions): Mention look-ahead usage of yylval.
8478 (Actions and Locations): Mention look-ahead usage of yylloc.
8479 (Special Features for Use in Actions): Add YYEOF entry and mention it
8480 in the yychar entry.
8481 In the yychar entry, remove mention of the local yychar case (pure
8482 parser) since this is irrelevant information when writing semantic
8483 actions and since it's already discussed in `Table of Symbols' where
8484 yychar is otherwise described as an external variable.
8485 In the yychar entry, don't call it the `current' look-ahead since it
8486 isn't when semantic actions are deferred.
8487 In the yychar and yyclearin entries, add note about deferred semantic
8488 actions.
8489 Add yylloc and yylval entries discussing look-ahead usage.
8490 (Look-Ahead Tokens): When discussing yychar, don't call it the
8491 `current' look-ahead, and do mention yylval and yylloc.
8492 (Error Recovery): Cross-reference `Action Features' when mentioning
8493 yyclearin.
8494 (Table of Symbols): In the yychar entry, don't call it the `current'
8495 look-ahead.
8496 In the yylloc and yylval entries, mention look-ahead usage.
8497
8498 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
8499
8500 * tests/glr-regression.at: Update copyright year to 2006.
8501
8502 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
8503
8504 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
8505 use during nondeterministic operation to track which stacks have
8506 actually needed the current lookahead.
8507 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
8508 Allocate, deallocate, resize, and otherwise shuffle space for
8509 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
8510 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
8511 appropriately during nondeterministic operation.
8512 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
8513 members to store the current lookahead to be used by the deferred
8514 user action.
8515 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
8516 from which the RHS is taken. Set the lookahead members of the new
8517 yySemanticOption according to the lookahead status for stack yyk.
8518 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
8519 yyaddDeferredAction.
8520 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
8521 members of yySemanticOption before invoking yyuserAction, and then set
8522 them back to their current values afterward.
8523 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
8524 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
8525 * tests/glr-regression.at: Remove `.' from the ends of recent test case
8526 titles for consistency.
8527 (Leaked merged semantic value if user action cuts parse): In order to
8528 suppress lint warnings, use arguments in merge function, and assign
8529 char value < 128 in main.
8530 (Incorrect lookahead during deterministic GLR): New test case.
8531 (Incorrect lookahead during nondeterministic GLR): New test case.
8532
8533 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
8534
8535 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
8536 !yyvaluep as signal that no semantic value is available to print.
8537 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
8538 to print a semantic value.
8539
8540 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
8541
8542 * tests/glr-regression.at: For consistency with my newer test cases,
8543 don't thank myself.
8544
8545 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
8546
8547 * data/glr.c (yyresolveValue): When merging semantic options, if at
8548 least one user action succeeds but a later one cuts the parse, then
8549 destroy the semantic value before returning rather than leaking it.
8550 (yyresolveStates): If a user action cuts the parse and thus
8551 yyresolveValue fails, ignore the (unset) semantic value rather than
8552 corrupting the yyGLRState, and empty the semantic options list since
8553 the user actions should have called all necessary destructors.
8554 Simplify code with YYCHK.
8555 * tests/glr-regression.at (Corrupted semantic options if user action
8556 cuts parse): New test case.
8557 (Undesirable destructors if user action cuts parse): New test case.
8558 Before applying any of this patch, this test case never actually failed
8559 for me... but only because the corrupted semantic options usually
8560 masked this bug.
8561 (Leaked merged semantic value if user action cuts parse): New test
8562 case.
8563
8564 2006-01-05 Akim Demaille <akim@epita.fr>
8565
8566 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
8567
8568 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
8569
8570 * data/c.m4 (b4_c_modern): New macro, with a new provision for
8571 _MSC_VER. Problem reported by Cenzato Marco.
8572 (b4_c_function_def): Use it.
8573 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
8574 b4_c_modern.
8575 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
8576 than rolling our own.
8577
8578 2006-01-04 Akim Demaille <akim@epita.fr>
8579
8580 Also warn about non-used mid-rule values.
8581 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
8582 member.
8583 (symbol_list_new): Adjust.
8584 * src/reader.c (symbol_typed_p): New.
8585 (grammar_rule_check): Use it.
8586 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
8587 Check its rule.
8588 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
8589 Use it.
8590 * tests/actions.at (Exotic Dollars): Adjust.
8591
8592 2006-01-04 Akim Demaille <akim@epita.fr>
8593
8594 * src/reader.c (grammar_midrule_action): If $$ is set in a
8595 mid-rule, move the `used' bit to its lhs.
8596 * tests/input.at (Unused values): New.
8597 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
8598
8599 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
8600
8601 * doc/bison.texinfo (Bison Options): Say more accurately what
8602 --yacc does.
8603 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
8604 about declarations in the grammar when in Yacc mode, as POSIX does
8605 not require a diagnostic when the grammar uses extensions.
8606
8607 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
8608
8609 Warn about dubious constructions like "%token T T".
8610 Reported by twlevo.
8611 * src/symtab.h (struct symbol.declared): New member.
8612 * src/symtab.c (symbol_new): Initialize it to false.
8613 (symbol_class_set): New arg DECLARING, specifying whether
8614 this is a declaration that we want to warn about, if there
8615 is more than one of them. All uses changed.
8616
8617 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
8618 Allow multiple %union directives, whose contents concatenate.
8619 * src/parse-gram.y (grammar_declaration): Likewise.
8620 Use muscle_code_grow, so that we don't need stype_line any more.
8621 All uses changed.
8622
8623 * src/muscle_tab.c (muscle_grow): Fix comment.
8624
8625 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
8626 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
8627 Update copyright year to 2006.
8628
8629 2006-01-03 Akim Demaille <akim@epita.fr>
8630
8631 Have glr.cc pass (some of) the calc.at tests.
8632 * data/glr.cc (b4_parse_param_orig): New.
8633 (b4_parse_param): Improve its definition, and bound it more
8634 clearly in the skeleton.
8635 (b4_epilogue): Append, instead of prepending, in order to keep
8636 #line consistency.
8637 Simplify the generation of auxiliary functions: locations and
8638 purity are mandated.
8639 (b4_global_tokens_and_yystype): Honor it.
8640 * data/location.cc (c++.m4): Don't include it.
8641 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
8642 and AT_SKEL_CC_IF.
8643 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
8644 AT_LALR1_CC_IF.
8645 Be sure to initialize the first position's filename.
8646 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
8647 mandated anyway.
8648 (AT_CHECK_CALC_GLR_CC): New.
8649 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
8650
8651 2006-01-02 Akim Demaille <akim@epita.fr>
8652
8653 * src/output.c (output_skeleton): Don't hard wire the inclusion of
8654 c.m4.
8655 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
8656 * data/glr.cc: Do not include stack.hh.
8657
8658 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
8659
8660 * data/glr.c: Reformat whitespace with tabs.
8661 (b4_lpure_formals): Remove this unused m4 macro.
8662 * tests/cxx-type.at: Reformat whitespace with tabs.
8663 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
8664 since it's a member. Rename type to isNterm for clarity.
8665
8666 2005-12-29 Akim <akim@sulaco.local>
8667
8668 Let glr.cc catch up with symbol_value_print.
8669 * data/glr.cc (b4_yysymprint_generate): Replace by...
8670 (b4_yy_symbol_print_generate): this.
8671 (yy_symbol_print, yy_symbol_value_print): Declare them.
8672
8673 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
8674
8675 * src/location.h (boundary): Note that a line or column equal
8676 to INT_MAX indicates an overflow.
8677 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
8678 (rule_length_overflow, increment_rule_length, add_column_width):
8679 New functions.
8680 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
8681 (<SC_BRACED_CODE>"}"):
8682 Use increment_rule_length rather than incrementing it by hand.
8683 (adjust_location, handle_syncline): Diagnose overflow.
8684 (handle_action_dollar, handle_action_at):
8685 Fix bug with monstrosities like $-2147483648.
8686 Remove now-unnecessary checks.
8687 (scan_integer): Verify assumptions and remove now-unnecessary checks.
8688 (convert_ucn_to_byte): Verify assumptions.
8689 (handle_syncline): New arg LOC. All callers changed.
8690 Don't store through a value derived from char const * pointer.
8691
8692 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
8693 GCC warnings.
8694
8695 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
8696
8697 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
8698 Remove unnecessary forward static decls.
8699
8700 2005-12-27 Akim Demaille <akim@epita.fr>
8701
8702 * src/reader.c (grammar_current_rule_check): Also check that $$
8703 is used.
8704 Take the rule to check as argument, hence rename as...
8705 (grammar_rule_check): this.
8706 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
8707 Rename as...
8708 (grammar_rule_begin, grammar_rule_end): these, for consistency.
8709 (grammar_midrule_action, grammar_symbol_append): Now static.
8710 * tests/torture.at (input): Don't rely on the default action
8711 being always performed.
8712 * tests/calc.at: "Set" $$ even when the action is "cut" with
8713 YYERROR or other.
8714 * tests/actions.at (Exotic Dollars): Instead of using unused
8715 values, check that the warning is issued.
8716
8717 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
8718
8719 * NEWS: Improve wording for unused-value warnings.
8720
8721 2005-12-22 Akim Demaille <akim@epita.fr>
8722
8723 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
8724 (b4_yysymprint_generate): Rename as...
8725 (b4_yy_symbol_print_generate): this.
8726 Generate yy_symbol_print instead of yysymprint.
8727 Generate also yy_symbol_value_print, and use it.
8728
8729 2005-12-22 Akim Demaille <akim@epita.fr>
8730
8731 * NEWS: Warn about unused values.
8732 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
8733 a `used' member.
8734 (symbol_list_n_get, symbol_list_n_used_set): New.
8735 (symbol_list_n_type_name_get): Use symbol_list_n_get.
8736 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
8737 * src/reader.c (grammar_current_rule_check): Check that values are
8738 used.
8739 * src/symtab.c (symbol_print): Accept 0.
8740 * tests/existing.at: Remove the type information.
8741 Empty the actions.
8742 Remove useless actions (beware of mid-rule actions: perl -000
8743 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
8744 * tests/actions.at (Exotic Dollars): Use unused values.
8745 * tests/calc.at: Likewise.
8746 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8747 Likewise.
8748
8749 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
8750 rule_useful_p.
8751
8752 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
8753
8754 Undo 2005-12-01 tentative license wording change. The wording is
8755 still being reviewed by the lawyers, and we don't want to wait for
8756 them before publishing a test release. For now, revert to the
8757 previous wording.
8758 * NEWS: Undo 2005-12-01 change.
8759 * data/glr.c: Revert to previous license wording.
8760 * data/glr.cc: Likewise.
8761 * data/lalr1.cc: Likewise.
8762 * data/location.cc: Likewise.
8763 * data/yacc.c: Likewise.
8764
8765 * NEWS: Reword %destructor vs YYABORT etc.
8766 * data/glr.c: Use American spacing, for consistency.
8767 * data/glr.cc: Likewise.
8768 * data/lalr1.cc: Likewise.
8769 * data/yacc.c: Likewise.
8770 * data/yacc.c: Reformat comments slightly.
8771 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
8772 for consistency. Fix some spelling errors and reword recently-included
8773 text slightly.
8774 * tests/cxx-type.at: Cast results of malloc, for C++.
8775
8776 2005-12-21 Joel E. Denny <address@hidden>
8777
8778 * tests/cxx-type.at: Construct a tree, count the parents of shared
8779 nodes, and free each node once and only once. Previously, the memory
8780 for semantic values was leaked instead.
8781
8782 2005-12-21 Joel E. Denny <address@hidden>
8783
8784 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
8785 (yylval, yylloc): If pure, #define to yystackp->yyval and
8786 yystackp->yyloc similar to yychar and yynerrs.
8787 (yyparse): If pure, remove local yylval and yylloc. Add local
8788 yystackp to accommodate pure definitions of yylval and yylloc.
8789 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
8790 yylvalp and yyllocp to &yylval and &yylloc.
8791 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
8792 namespace. Previously, nerrs and char were missing, but lval and lloc
8793 weren't necessary.
8794 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
8795 yylvalp and yyllocp parameters since, if pure, these are now always
8796 accessible through yystackp. If not pure, they are still accessible
8797 globally.
8798 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
8799 `if (YYID (N))' to pacify lint.
8800
8801 2005-12-21 Akim Demaille <akim@epita.fr>
8802
8803 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
8804 destroy the RHS symbols of a rule.
8805 * data/yacc.c (yylen): Initialize to 0.
8806 Keep its value to the number of items to possibly shift.
8807 In particular, a regular successful parse that ends on YYFINAL by
8808 a (internal) YYACCEPT must not have yylen != 0.
8809 (yyerrorlab, yyreturn): Pop the RHS.
8810 Reorder a bit to emphasize the `shifting' bits of code.
8811 (YYPOPSTACK): Now accept a number of items to pop.
8812 * data/lalr1.cc: Likewise.
8813 * data/glr.c: Formatting changes.
8814 Use goto instead of fall through.
8815 * doc/bison.texinfo (Destructor Decl): Complete.
8816
8817 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8818
8819 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8820 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
8821 * djgpp/config.bat: Replace every occurence of the file name
8822 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8823 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8824 * djgpp/config.sed: Replace every occurence of the file name
8825 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8826 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8827 * djgpp/djunpack.bat: DJGPP specific file.
8828 * djgpp/fnchange.lst: DJGPP specific file.
8829 * djgpp/README.in: Add new information about how to unpack the bison
8830 source on MSDOS and other systems which have 8.3 file name restrictions
8831 using djunpack.bat and fnchange.lst.
8832
8833 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
8834
8835 * bootstrap (build_cvs_prefix): Remove; unused.
8836 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
8837 when getting gnulib.
8838
8839 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
8840
8841 * data/glr.c: Reorder typedef declarations for structs to match order
8842 of struct declarations.
8843 Rename yystack everywhere to yystackp except in yyparse where it's not
8844 a pointer.
8845 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
8846 consistency.
8847 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
8848 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
8849 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
8850 lint.
8851
8852 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
8853
8854 * tests/sets.at (Accept): Fix typos in regular expression used to
8855 sed out the final state number.
8856
8857 Work around portability problem on Solaris 10: flex-generated
8858 files include <stdio.h> before <config.h>, which messes up
8859 because the latter defines __EXTENSIONS__. Address the problem
8860 by creating two new little files that include <config.h> first,
8861 then include the flex-generated files. Rewrite everyone else
8862 to include <config.h> first, as well.
8863 * lib/timevar.c: Always include "config.h".
8864 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
8865 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
8866 (EXTRA_bison_SOURCES): New macro.
8867 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
8868 * src/system.h: Don't include config.h.
8869 * src/LR0.c: Include <config.h> first.
8870 * src/assoc.c: Likewise.
8871 * src/closure.c: Likewise.
8872 * src/complain.c: Likewise.
8873 * src/conflicts.c: Likewise.
8874 * src/derives.c: Likewise.
8875 * src/files.c: Likewise.
8876 * src/getargs.c: Likewise.
8877 * src/gram.c: Likewise.
8878 * src/lalr.c: Likewise.
8879 * src/location.c: Likewise.
8880 * src/main.c: Likewise.
8881 * src/muscle_tab.c: Likewise.
8882 * src/nullable.c: Likewise.
8883 * src/output.c: Likewise.
8884 * src/parse-gram.y: Likewise.
8885 * src/print.c: Likewise.
8886 * src/print_graph.c: Likewise.
8887 * src/reader.c: Likewise.
8888 * src/reduce.c: Likewise.
8889 * src/relation.c: Likewise.
8890 * src/state.c: Likewise.
8891 * src/symlist.c: Likewise.
8892 * src/symtab.c: Likewise.
8893 * src/tables.c: Likewise.
8894 * src/uniqstr.c: Likewise.
8895 * src/vcg.c: Likewise.
8896
8897 * src/parse-gram.y: Fix minor problems uncovered by lint.
8898 (current_lhs, current_lhs_location): Now static.
8899 (current_assoc): Remove unused variable.
8900
8901 Cleanups so that Bison-generated parsers have less lint.
8902 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
8903 Prepend /*ARGSUSED*/, for lint's sake.
8904 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
8905 definition if 'lint' is defined.
8906 (YYID): New macro (or function, if lint).
8907 All uses of /*CONSTCOND*/0 replaced by YYID(0).
8908 * data/yacc.c: Likewise.
8909 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
8910 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
8911 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
8912 is C++ only.
8913 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
8914 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
8915 Use YYID(0) rather than 0, for lint.
8916 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
8917 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
8918
8919 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
8920
8921 * tests/glr-regression.at
8922 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8923 Close memory leak reported by twlevo.
8924
8925 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
8926
8927 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
8928 all stacks.
8929 (yyparse): Iterate another stack in order to call user destructors.
8930 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8931 New test case.
8932 (Duplicated user destructor for lookahead): This test now is expected
8933 to succeed.
8934
8935 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
8936
8937 * NEWS: Document the following change.
8938 * data/yacc.c: Say "parser skeleton" rather than "file", since
8939 it's no longer just a file.
8940 * data/glr.c: Grant a special exception for C GLR parsers, that
8941 reads like the already-existing exception for C LALR(1) parsers.
8942 * data/glr.cc: Likewise.
8943 * data/lalr1.cc: Likewise.
8944 * data/location.cc: Likewise.
8945 * data/yacc.c: Reword the "written by" statement to clarify that
8946 it was the parser skeleton, not the entire output file.
8947 * data/glr.c: Written by Paul Hilfinger.
8948 * data/glr.cc: Written by Akim Demaille.
8949 * data/lalr1.cc: Likewise.
8950
8951 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
8952
8953 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
8954 Fix typos in previous change that broke 'make check'.
8955 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
8956 supported in C.
8957 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
8958 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
8959 We can revert this once things settle down.
8960
8961 * src/conflicts.c (conflicts_print): Don't print file name twice
8962 when %expect fails because there were no conflicts.
8963 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
8964 change.
8965 * tests/conflicts.at (%expect not enough, %expect too much):
8966 (%expect with reduce conflicts): Adjust to new behavior.
8967
8968 2005-11-18 Akim Demaille <akim@epita.fr>
8969
8970 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
8971 errors.
8972 * NEWS: Document this.
8973 * doc/bison.texinfo (Expect Decl): Likewise.
8974
8975 2005-11-16 Akim Demaille <akim@epita.fr>
8976
8977 Generalize the display of semantic values and locations in traces.
8978 * data/glr.c (yy_reduce_print): Fix indices (again).
8979 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
8980 literal integers.
8981 * data/lalr1.cc (yyreduce_print): Rename as...
8982 (yy_reduce_print): this.
8983 Display values and locations.
8984 * data/yacc.c (yy_reduce_print): Likewise.
8985 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
8986 (yysymprint): Move higher to be visible from yy_reduce_print).
8987 (yyparse): Adjust.
8988 * tests/calc.at: Adjust the expected length of the traces.
8989
8990 2005-11-14 Akim Demaille <akim@epita.fr>
8991
8992 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
8993 from 1 to N, while values and location start at 0.
8994 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
8995
8996 2005-11-14 Akim Demaille <akim@epita.fr>
8997
8998 * data/glr.c (yy_reduce_print): Fix the $ number.
8999
9000 2005-11-14 Akim Demaille <akim@epita.fr>
9001
9002 "Use" parse parameters.
9003 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
9004 * data/glr.c, data/glr.cc: Use them.
9005 * data/glr.c (YYUSE): Have a C++ definition that supports
9006 non-pointer types.
9007
9008 2005-11-14 Akim Demaille <akim@epita.fr>
9009
9010 * data/glr.c (yyexpandGLRStack): Declare only if defined.
9011
9012 2005-11-14 Akim Demaille <akim@epita.fr>
9013
9014 * data/glr.cc: New.
9015 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
9016
9017 2005-11-12 Akim Demaille <akim@epita.fr>
9018
9019 Let position and location be PODs.
9020 * data/location.cc (position::initialize, location::initialize): New.
9021 (position::position, location::location): Define only if
9022 b4_location_constructors is defined.
9023 * data/lalr1.cc (b4_location_constructors): Define it for backward
9024 compatibility.
9025 * doc/bison.texinfo (Initial Action Decl): Use initialize.
9026
9027 2005-11-12 Akim Demaille <akim@epita.fr>
9028
9029 * data/lalr1.cc: Move the body of the ctor and dtor into the
9030 parser file (instead of the header).
9031 Wrap the implementations in a "namespace yy".
9032
9033 2005-11-12 Akim Demaille <akim@epita.fr>
9034
9035 Have glr.c include its header file when created.
9036 * data/glr.c (b4_shared_declarations): New.
9037 Output them verbatim in the parser if !%defines, otherwise
9038 output then in the header file, and include it instead.
9039
9040 2005-11-11 Akim Demaille <akim@epita.fr>
9041
9042 * data/glr.c: Comment changes.
9043
9044 2005-11-11 Akim Demaille <akim@epita.fr>
9045
9046 When yydebug, report semantic and location values for reductions.
9047 * data/glr.c (yy_reduce_print): Report the semantic values and the
9048 locations.
9049 (YY_REDUCE_PRINT): Adjust.
9050 (yyglrReduce): Use them.
9051 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
9052 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
9053 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
9054 traces.
9055
9056 2005-11-10 Akim Demaille <akim@epita.fr>
9057
9058 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
9059 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
9060 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
9061
9062 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
9063
9064 * m4/cxx.m4, examples/Makefile.am: Don't build
9065 examples/calc++ if no C++ compiler is available. (trivial change)
9066
9067 2005-11-09 Akim Demaille <akim@epita.fr>
9068
9069 * src/scan-skel.l: Use a couple of asserts.
9070
9071 2005-11-03 Akim Demaille <akim@epita.fr>
9072
9073 In some (weird) cases, the final state number is incorrect.
9074 Reported by Alexandre Duret-Lutz.
9075 * src/LR0.c (state_list_append): Remove the computation of
9076 final_state.
9077 (save_reductions): Do it here.
9078 (get_state): Alpha conversion.
9079 (generate_states): Use a for loop.
9080 * src/gram.h (item_number_is_rule_number)
9081 (item_number_is_symbol_number): New.
9082 * src/state.c: Use assert.
9083 * src/system.h: Include assert.h.
9084 * tests/sets.at (Accept): New.
9085
9086 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9087
9088 * data/glr.c (yyfill): Adjust comment.
9089 (yyresolveAction): Initialize default location properly
9090 for empty right-hand sides.
9091 (yydoAction): Ditto.
9092 Add comment explaining apparently dead code.
9093 * tests/glr-regression.at
9094 (Incorrectly initialized location for empty right-hand side in GLR):
9095 New test.
9096
9097 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
9098
9099 * bootstrap (cleanup_gnulib): New function. Use it to clean up
9100 gnulib when interrupted. This fixes some race conditions and
9101 works around some portability problems (one noted by Paul
9102 Hilfinger).
9103
9104 2005-10-22 Akim <akim@epita.fr>
9105
9106 * Makefile.cfg: Adjust to config -> build-aux.
9107 Reported by twledo.
9108
9109 2005-10-21 Akim Demaille <akim@epita.fr>
9110
9111 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
9112 the %parse-params.
9113 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
9114 * data/yacc.c (b4_Pure_if): Rename as...
9115 (b4_yacc_pure_if): this.
9116 (YY_SYMBOL_PRINT, yyparse): Adjust.
9117 * doc/bison.texinfo: Formatting changes.
9118
9119 2005-10-21 Akim Demaille <akim@epita.fr>
9120
9121 Finish the transition config -> build-aux.
9122 * configure.ac, Makefile.am: Use build-aux.
9123 * config/prev-version, config/announce-gen, config/Makefile.am:
9124 Move to...
9125 * build-aux/prev-version, build-aux/announce-gen,
9126 * build-aux/Makefile.am: here.
9127
9128 2005-10-14 Akim Demaille <akim@epita.fr>
9129
9130 * examples/calc++/test: Use set -x only when VERBOSE.
9131
9132 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
9133
9134 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
9135 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
9136
9137 2005-10-13 Akim Demaille <akim@epita.fr>
9138
9139 * src/scan-skel.l: Output the base name parts of the parser and
9140 header file names.
9141 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
9142 additional checks.
9143 Use this to exercise C++ outputs in subdirs.
9144 Reported by Oleg Smolsky.
9145
9146 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
9147
9148 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
9149 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
9150 Problem reported by John P. Hartmann.
9151 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
9152 already defined it.
9153
9154 2005-10-12 Akim Demaille <akim@epita.fr>
9155
9156 * src/parse-gram.y (version_check): Exit 63 to please missing
9157 (stands for "version mismatch).
9158 * tests/input.at, doc/bison.texinfo: Adjust.
9159
9160 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
9161
9162 Work around portability problems with Visual Age C compiler
9163 (xlc and xlC_r) reported by John P. Hartmann.
9164 * data/location.cc (initial_column, initial_line): Remove.
9165 All uses replaced by 0 and 1.
9166 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
9167 that xlc complains about.
9168 * src/scan-skel.l (skel_wrap): Likewise.
9169 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
9170 as __STDC__.
9171 * data/yacc.c (YYMODERN_C): New macro, which also looks at
9172 __STDC_VERSION__. Use it everywhere instead of looking at
9173 __STDC__ and __cplusplus.
9174
9175 2005-10-10 Akim Demaille <akim@epita.fr>
9176
9177 * examples/calc++/test: Be quiet unless VERBOSE.
9178
9179 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
9180
9181 * data/c.m4 (yydestruct, yysymprint):
9182 Use YYUSE instead of casting to void.
9183 * data/glr.c (YYUSE): New macro.
9184 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
9185 Use it instead of rolling our own.
9186 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
9187 (YYCHK1):
9188 Use /*CONSTCOND*/ to suppress lint warnings.
9189 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
9190 (YY_STACK_PRINT): Use 'false' not '0'.
9191 (YYUSE): New macro.
9192 (yysymprint_, yydestruct_): Use it instead of rolling our own.
9193 * data/yacc.c (YYUSE): New macro.
9194 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
9195 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
9196 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
9197
9198
9199 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
9200 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
9201
9202 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
9203
9204 Undo the parts of the unlocked-I/O change that substituted
9205 putc or puts for printf. This might hurt performance a bit,
9206 but some people prefer the printf style.
9207 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
9208 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
9209 All uses replaced by YYFPRINTF and YYDPRINTF.
9210 * data/yacc.c: Likewise.
9211 * lib/bitset.c (bitset_print): Likewise.
9212 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
9213 putc and puts.
9214 * lib/lbitset.c (debug_lbitset): Likewise.
9215 * src/closure.c (print_firsts, print_fderives): Likewise.
9216 * src/gram.c (grammar_dump): Likewise.
9217 * src/lalr.c (look_ahead_tokens_print): Likewise.
9218 * src/output.c (escaped_output): Likewise.
9219 (user_actions_output): Break apart two printfs.
9220 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
9221 * src/reduce.c (reduce_print): Likewise.
9222 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
9223 * src/system.h: Include unlocked-io.h rathe than stdio.h.
9224
9225 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
9226 Use assignments rather than casts-to-void to suppress
9227 unused-variable warnings. This pacifies 'lint'.
9228 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
9229 unused-variable warnings.
9230
9231 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9232
9233 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
9234
9235 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
9236
9237 Use unlocked I/O for a minor performance improvement on hosts like
9238 GNU/Linux and Solaris that support unlocked I/O. The basic idea
9239 is to use the gnlib unlocked-io module, and to prefer putc and
9240 puts to printf when either will work (since the latter doesn't
9241 come in an unlocked flavor).
9242 * bootstrap (gnulib_modules): Add unlocked-io.
9243 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
9244 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
9245 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
9246 and similarly for puts and putc and printf.
9247 * data/yacc.c: Likewise.
9248 * lib/bitset.c (bitset_print): Likewise.
9249 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
9250 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
9251 to printf.
9252 * lib/lbitset.c (debug_lbitset): Likewise.
9253 * src/closure.c (print_firsts, print_fderives): Likewise.
9254 * src/gram.c (grammar_dump): Likewise.
9255 * src/lalr.c (look_ahead_tokens_print): Likewise.
9256 * src/output.c (escaped_output): Likewise.
9257 (user_actions_output): Coalesce two printfs.
9258 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
9259 * src/reduce.c (reduce_print): Likewise.
9260 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
9261 * src/system.h: Include unlocked-io.h rather than stdio.h.
9262
9263 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
9264 this confuses xgettext.
9265
9266 2005-10-02 Akim Demaille <akim@epita.fr>
9267
9268 * bootstrap (gnulib_modules): Add strverscmp.
9269 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
9270 * m4/.cvsignore: Add strverscmp.m4.
9271 * src/parse-gram.y (%require): New token, new rule.
9272 (version_check): New.
9273 * src/scan-gram.l (%require): Adjust.
9274 * tests/input.at (AT_REQUIRE): New.
9275 Use it.
9276 * doc/bison.texinfo (Require Decl): New.
9277 (Calc++ Parser): Use %require.
9278
9279 2005-10-02 Akim Demaille <akim@epita.fr>
9280
9281 * data/location.cc: New.
9282
9283 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
9284 Akim Demaille <akim@epita.fr>
9285
9286 Make sure -odir/foo.cc creates dir/location.hh etc.
9287 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
9288 (spec_file_prefix, spec_verbose_file, spec_graph_file)
9289 (spec_defines_file): Now const.
9290 (dir_prefix): New.
9291 (short_base_name): Remove.
9292 * src/files.c: Adjust.
9293 (dirname.h): Include.
9294 (base_name): Don't prototype it.
9295 (finput): Remove, duplicates gram_in.
9296 (full_base_name, short_base_name): Replace by...
9297 (all_but_ext, all_but_tab_ext): these.
9298 (compute_base_names): Rename as...
9299 (compute_file_name_parts): this.
9300 Update to compute the new variables, including dir_prefix.
9301 Adjust dependencies.
9302 * src/output.c (prepare): Output them.
9303 * src/reader.c: Adjust to use gram_in, not finput.
9304 * src/scan-skel.l (@dir_prefix@): New.
9305
9306 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9307
9308 * lib/subpipe.c: New function end_of_output_subpipe() added
9309 to allow support for non-posix systems. This is a no-op function
9310 for posix systems.
9311
9312 * lib/subpipe.h: New function end_of_output_subpipe() added
9313 to allow support for non-posix systems. This is a no-op function
9314 for posix systems.
9315
9316 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
9317 handle the lack of pipe/fork functionality on non-posix systems.
9318
9319 * djgpp/Makefile.maint: DJGPP specific file.
9320
9321 * djgpp/README.in: DJGPP specific file.
9322
9323 * djgpp/config.bat: DJGPP specific configuration file.
9324
9325 * djgpp/config.sed: DJGPP specific configuration file.
9326
9327 * djgpp/config.site: DJGPP specific configuration file.
9328
9329 * djgpp/config_h.sed: DJGPP specific configuration file.
9330
9331 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
9332
9333 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
9334
9335 2005-10-02 Akim Demaille <akim@epita.fr>
9336
9337 * data/location.cc: New, extract from...
9338 * data/lalr1.cc: here.
9339 (location.hh): Include it after the user prologue, in case the
9340 filename type is defined by the user.
9341 Forward declation location and position before the pre-prologue.
9342 (yyresult_): Rename as...
9343 (yyresult): this, it's a local variable, not an attribute.
9344 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
9345
9346 2005-10-01 Akim Demaille <akim@epita.fr>
9347
9348 * examples/extexi: Restore the #line generation.
9349
9350 2005-09-30 Akim Demaille <akim@epita.fr>,
9351 Alexandre Duret-Lutz <adl@gnu.org>
9352
9353 Move the token type and YYSTYPE in the parser class.
9354 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
9355 (parser::token): New, from the moved free definition of tokens.
9356 (parser::semantic_value): Now a full definition instead of an
9357 indirection to YYSTYPE.
9358 (b4_post_prologue): No longer included in the header file, but
9359 in the implementation file.
9360 * doc/bison.texi (C+ Language Interface): Update.
9361 * src/parse-gram.y: Support unary %define.
9362 * tests/actions.at: Define global_tokens_and_yystype for backward
9363 compatibility until we update the tests.
9364 * tests/calc.at: Idem.
9365 (first_line, first_column, last_line, last_column): Define for lalr1.cc
9366 to simplify the code.
9367
9368 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
9369
9370 Port to SunOS 4.1.4, which lacks strtoul and strerror.
9371 Ah, the good old days! Problem reported by Peter Klein.
9372 * bootstrap (gnulib_modules): Add strerror, strtoul.
9373 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
9374 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
9375
9376 2005-09-29 Akim Demaille <akim@epita.fr>
9377
9378 * data/c.m4 (b4_error_verbose_if): New.
9379 * data/lalr1.cc: Use it.
9380 (YYERROR_VERBOSE_IF): Remove.
9381 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
9382 parser members, replaced by...
9383 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
9384 local variables.
9385 (yysyntax_error_): Takes the state number as argument.
9386 (yyreduce_print_): Use the argument yyrule, not the former
9387 attribute yyn_.
9388
9389 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
9390
9391 * bootstrap (gnulib_modules): Add verify.
9392 * lib/.cvsignore: Add verify.h.
9393 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
9394 * src/system.h (verify): Remove.
9395 Include verify.h instead.
9396 * src/tables.c (tables_generate): Use new API for 'verify'.
9397
9398 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
9399
9400 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
9401 local variables whose names begin with 'yy'.
9402 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
9403 Trivial changes from Joel E. Denny.
9404
9405 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
9406 it itself.
9407 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
9408 don't use alloca any more.
9409
9410 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
9411 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
9412 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
9413 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
9414 to match yacc.c, to test more hosts.
9415
9416 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
9417
9418 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
9419 doesn't affect behavior.
9420 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
9421 Solaris, AIX, MSC.
9422 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
9423 This works a bit better with glibc, if user code has already included
9424 stdlib.h.
9425 * doc/bison.texinfo (Bison Parser): Document that users can't
9426 arbitrarily use malloc and free for other purposes. Document
9427 that <alloca.h> and <malloc.h> might be included.
9428 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
9429 user must declare alloca.
9430
9431 * HACKING (release): Forwarn the Translation Project about
9432 stable releses.
9433
9434 2005-09-20 Akim Demaille <akim@epita.fr>
9435
9436 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
9437
9438 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
9439
9440 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
9441 (YYSTACK_ALLOC_MAXIMUM): Use it.
9442 (yysyntax_error): New function.
9443 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
9444 multiple syntax errors are reported, and alloca is being used.
9445 Instead, reallocate buffers twice as big each time, so that
9446 we waste at most half the allocated memory. Start with a small
9447 (128-byte) buffer that will suffice in most cases anyway.
9448 Use yysyntax_error to do most of the work.
9449
9450 * doc/bison.texinfo (Error Reporting, Table of Symbols):
9451 yynerrs is the number of errors reported, not the number of
9452 errors encountered.
9453
9454 * tests/glr-regression.at (Duplicated user destructor for lookahead):
9455 Mark it as expected to fail.
9456 Cast result of malloc; problem reported by twlevo@xs4all.nl.
9457 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
9458 Don't start user-code symbols with "yy", to avoid name space problems.
9459
9460 2005-09-19 Akim Demaille <akim@epita.fr>
9461
9462 Remove the traits, failed experiment.
9463 It never proved useful, and anyway because of the current
9464 definition, it was not possible to have several specialization of
9465 this traits, making it useless.
9466 * data/lalr1.cc (yy:traits): Remove.
9467 Inline its definitions in the parser class.
9468
9469 2005-09-19 Akim Demaille <akim@epita.fr>
9470
9471 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
9472 least Mac OSX with a /usr/local install of gettext.
9473
9474 2005-09-19 Akim Demaille <akim@epita.fr>
9475
9476 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
9477 and yytoken for similarity with the other skeletons.
9478
9479 2005-09-19 Akim Demaille <akim@epita.fr>
9480
9481 * NEWS, configure.ac: update version number to 2.1a.
9482
9483 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
9484
9485 * NEWS: Version 2.1.
9486
9487 * NEWS: Remove notice of yytname change, since it was never in an
9488 official release.
9489 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
9490 diagnostic.
9491 * src/output.c (prepare): Likewise.
9492 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
9493 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
9494 is not defined. This is an awful hack, but it's enough for now.
9495 All callers changed.
9496 * tests/glr-regression-at (make_value): Args are const pointers now,
9497 to avoid GCC warning.
9498 (Duplicated user destructor for lookahead): New test. Currently
9499 skipped. It fails on my host but I'm not sure it'll always fail.
9500
9501 2005-09-16 Akim Demaille <akim@epita.fr>
9502
9503 * src/symtab.h (struct symbol): Declare the printer and destructor
9504 as const, to avoid accidental calls to free.
9505 (symbol_destructor_set, symbol_printer_set): Adjust.
9506 * src/symtab.c: Adjust.
9507
9508 2005-09-16 Akim Demaille <akim@epita.fr>
9509
9510 * data/c.m4 (b4_token_enums): New.
9511 (b4_token_defines): Rename as...
9512 (b4_token_enums_defines): this.
9513 (b4_token_defines): New, output only the #defines.
9514 * data/yacc.c, data/glr.c: Adjust.
9515 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
9516 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
9517 as default values.
9518
9519 2005-09-16 Akim Demaille <akim@epita.fr>
9520
9521 * data/lalr1.cc (yylex_): Remove, inline its code.
9522 (yyreport_syntax_error_): Remove, replaced by...
9523 (yysyntax_error_): this which returns a string and leaves to the
9524 caller the call to the users' error function.
9525 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
9526 Move from members of the parser object...
9527 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
9528 to local variables of the parse function.
9529
9530 2005-09-16 Akim Demaille <akim@epita.fr>
9531
9532 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
9533 since it's in Bison's name space.
9534
9535 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
9536
9537 * data/glr.c (yyresolveValue): Add default case to pacify
9538 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
9539
9540 * NEWS: Document when yyparse started to return 2.
9541 * doc/bison.texinfo (Parser Function): Document when yyparse
9542 returns 2.
9543
9544 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
9545 (b4_filename_type): Renamed back from b4_file_name_type. All uses
9546 changed.
9547 (class position): file_name -> filename (reverting). All uses changed.
9548
9549 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
9550
9551 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
9552 do anything if $@ exists. This reverts part of the 2005-07-07
9553 patch.
9554
9555 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
9556
9557 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
9558 contains obsolete information and isn't worth distributing as a
9559 separate file anyway.
9560 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
9561 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
9562 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
9563 (yyparse): Abort if user code uses longjmp to throw an unexpected
9564 value.
9565
9566 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
9567
9568 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
9569 Suggested by twlevo@xs4all.nl.
9570
9571 * data/glr.c (YYCHK1): Do not assume YYE is in range.
9572 This avoids a diagnostic from gcc -Wswitch-enum.
9573 Problem reported by twlevo@xs4all.nl.
9574
9575 * doc/bison.texinfo: Don't use "filename", as per GNU coding
9576 standards. Use "file name" or "file" or "name", depending on
9577 the context.
9578 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
9579 not to hack/foo.tab.c.
9580 (Calc++ Top Level): 2nd arg of main is not const.
9581 * data/glr.c: b4_filename -> b4_file_name.
9582 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
9583 All uses changed.
9584 (class position): filename -> file_name. All uses changed.
9585 * data/yacc.c: b4_filename -> b4_file_name.
9586 * lib/bitset.h: filename -> file_name in local vars.
9587 * lib/bitset_stats.c: Likewise.
9588 * src/files.c: Likewise.
9589 * src/scan-skel.l ("@output ".*\n): Likewise.
9590 * src/files.c (file_name_split): Renamed from filename_split.
9591 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
9592
9593 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
9594
9595 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
9596 to accommodate latest gnulib.
9597
9598 * tests/glr-regression.at (Duplicate representation of merged trees):
9599 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
9600
9601 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
9602 needed.
9603
9604 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
9605
9606 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
9607 All uses changed. Invoke user destructor after an error during a
9608 split parse (trivial change from Joel E. Denny).
9609
9610 * tests/glr-regression.at
9611 (User destructor after an error during a split parse): New test case.
9612 Problem reported by Joel E. Denny in:
9613 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
9614
9615 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
9616
9617 * README-cvs: Give URLs for recommended tools.
9618 Mention Gzip version problem, and bootstrapping issues.
9619 Remove troubleshooting section, as it's somewhat obsolete.
9620
9621 * bootstrap (no_cache): New var, to accommodate different wget
9622 variants. Use it instead of '-C off'. Problem reported by
9623 twlevo@xs4all.nl.
9624
9625 * data/glr.c (yydestroyStackItem): New function.
9626 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
9627 debugging information. Problem reported by Joel E. Denny.
9628
9629 2005-08-25 Akim Demaille <akim@epita.fr>
9630
9631 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
9632
9633 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
9634
9635 * data/glr.c (yyrecoverSyntaxError, yyreturn):
9636 Don't invoke destructor on unresolved entries.
9637 * tests/glr-regression.at
9638 (User destructor for unresolved GLR semantic value): New test case.
9639 Problem reported by Joel E. Denny in:
9640 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
9641
9642 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
9643
9644 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
9645 Add strnlen.c.
9646 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
9647 lib-prefix.m4, po.m4.
9648
9649 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
9650 in yydestruct diagnostic, since it might not be an error.
9651 Problem reported by Joel Denny near end of
9652 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
9653 * data/lalr1.cc (yyerturn): Likewise.
9654 * data/yacc.c (yyreturn): Likewise.
9655 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
9656
9657 * src/files.c: Remove obsolete FIXME comment.
9658
9659 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
9660 with the other templates, and to fix bogus run-on messages such
9661 as the one reported at the end of
9662 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
9663 All callers changed to avoid the newline.
9664 (yyprocessOneStack): Output two lines rather than one, to accommodate
9665 the above change. This changes the debug output format slightly.
9666
9667 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
9668 reported by Joel E. Denny in
9669 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
9670 (trivial change).
9671 * tests/glr-regression.at (Duplicate representation of merged trees):
9672 New test, from Joel E. Denny in:
9673 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
9674 * THANKS: Add Joel E. Denny.
9675
9676 * configure.ac (AC_INIT): Bump to 2.0c.
9677
9678 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
9679
9680 * NEWS: Version 2.0b.
9681
9682 * Makefile.am (SUBDIRS): Put examples before tests, so that
9683 "make check" doesn't finish with "All 1 tests passed".
9684
9685 * tests/regression.at (Token definitions): Don't rely on
9686 AT_PARSER_CHECK for data that contains backslashes. It currently
9687 uses 'echo', and 'echo' isn't portable if its argument contains
9688 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
9689 that the byte '\0xff' is not printable in the C locale; it is,
9690 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
9691 not printable, so use '\0x81' to test.
9692
9693 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
9694 version of GCC, since the macro is used with non-GCC compilers.
9695
9696 Fix core dump reported by Pablo De Napoli in
9697 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
9698 * tests/regression.at (Invalid inputs with {}): New test.
9699 * src/parse-gram.y (token_name): Translate type before using
9700 it as an index.
9701
9702 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
9703 the user's name space. All uses changed to __attribute__
9704 ((__unused__)).
9705 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
9706 Add __attribute__ ((__noreturn__)).
9707
9708 * etc/clcommit: Remove. We weren't using it, and it failed
9709 "make maintainer-distcheck".
9710 * Makefile.maint: Merge from coreutils.
9711 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
9712 (syntax-check-rules): Change list of rules as described below.
9713 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
9714 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
9715 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
9716 (sc_trailing_space): New rules.
9717 (sc_xalloc_h_in_src): Remove.
9718 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
9719 (sc_space_tab, sc_error_exit_success, sc_changelog):
9720 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
9721 (makefile-check, po-check, author_mark_check):
9722 (makefile_path_separator_check, copyright-check):
9723 Use grep -n, to make it easier to find violations.
9724 Use CVS_LIST and CVS_LIST_EXCEPT.
9725 (header_regexp, h_re): Remove.
9726 (dd_c): New macro.
9727 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
9728 (my-distcheck): Use more-modern GCC flags.
9729 (signatures, %.asc): Remove.
9730 (rel-files, announcement): Remove signatures.
9731 Restore old updating code, even though we don't use it, so
9732 that we're the same as coreutils.
9733 (alpha, beta, major): Depend on news-date-check.
9734 Make the upload commands.
9735
9736 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
9737 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
9738 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
9739 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
9740 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
9741 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
9742 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
9743 * tests/sets.at: Likewise.
9744
9745 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
9746 we comment out the Autoconf version number.
9747 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
9748 it's error-prone and "make maintainer-distcheck" rejects it.
9749
9750 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
9751 Indent calls to "error" to pacify "make maintainer-distcheck",
9752 when the calls are not intended to be translated.
9753 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
9754
9755 * src/Makefile.am (DEFS): Use +=, to pacify
9756 "make maintainer-distcheck".
9757 (bison_SOURCES): Add scan-skel.h.
9758 (sc_tight_scope): New rule, from coreutils.
9759
9760 * src/files.c (src_extension, header_extension):
9761 Now static, not extern.
9762 * src/getargs.c (short_options): Likewise.
9763 * src/muscle_tab.c (muscle_table): Likewise.
9764 * src/parse-gram.y (current_class, current_type, current_prec):
9765 Likewise.
9766 * src/reader.c (grammar_end, previous_rule_end): Likewise.
9767 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
9768 * src/main.c (main): Cast bindtextdomain and textdomain calls to
9769 void, to avoid warning when NLS is disabled.
9770 * src/output.c: Include scan-skel.h.
9771 (scan_skel): Remove decl, since scan-skel.h does this.
9772 (output_skeleton):
9773 Indent calls to "error" to pacify "make maintainer-distcheck".
9774 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
9775 * src/reader.h (gram_end, gram_lineno): New decls to pacify
9776 "make maintainer-distcheck".
9777 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
9778 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
9779 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
9780 (skel_lex_destroy, scan_skel): Move these decls to...
9781 * src/scan-skel.h: New file.
9782 * src/uniqstr.c (uniqstr_assert):
9783 Indent calls to "error" to pacify "make maintainer-distcheck".
9784
9785 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
9786 not @VAR@.
9787
9788 * tests/torture.at: Revamp to avoid misuse of atoi that
9789 "make maintainer-distcheck" complained about.
9790
9791 * examples/extexi (message): Don't print a message more than once,
9792 and omit line-number decoration that makes Emacs compile think
9793 that informative messages are worth worrying about.
9794
9795 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
9796
9797 * configure.ac: Update version number.
9798
9799 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
9800 accidentally.
9801 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
9802 autogenerated by the maintainer.
9803 * examples/calc++/.cvsignore: Add *.yy.
9804
9805 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
9806 * lib/bitset_stats.c (bitset_stats_init): Likewise.
9807 * lib/bitsetv.c (bitsetv_alloc): Likewise.
9808
9809 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
9810
9811 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
9812 from maintainer-distcheck about casting the argument of 'free'.
9813
9814 * NEWS: Mention recent yytname changes.
9815 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
9816
9817 * bootstrap: For translations that have not yet been upgraded to
9818 the new runtime-po domain, prime the pump by extracting the
9819 relevant strings from the obsolete translations. This code can be
9820 removed once the bison-runtime domain has been translated by each
9821 team.
9822
9823 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
9824 now that token names are already quoted.
9825
9826 Fix problem reported by Anthony Heading.
9827 * data/glr.c (YYTOKEN_TABLE): New macro.
9828 (yytname): Define if YYTOKEN_TABLE.
9829 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
9830 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
9831 (YYERROR_VERBOSE): Define the same way the other skeletons do.
9832 * src/output.c (prepare_symbols): Output token_table_flag.
9833
9834 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
9835
9836 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
9837 again if the first call fails.
9838
9839 * data/glr.c (yytnamerr): New function.
9840 (yyreportSyntaxError): Use it to dequote most string literals.
9841 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
9842 with other skeletons. All uses changed.
9843 (yytnameerr_): New function.
9844 (yyreport_syntax_error): Use it to dequote most string literals.
9845 * data/yacc.c (yytnamerr): New function.
9846 (yyerrlab): Use it to decode most string literals.
9847 * doc/bison.texinfo (Decl Summary, Calling Convention):
9848 Clarify quoting convention of yytname.
9849 * src/output.c (prepare_symbols): Quote all names. This undoes
9850 the 2005-04-17 change, which is now accomplished (mostly) via
9851 changes in the parsers as described above.
9852 * tests/regression.at (Token definitions, Web2c Actions):
9853 Undo most 2005-04-17 change here, too.
9854
9855 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
9856
9857 Fix more problems reported by twlevo@xs4all.nl.
9858 * tests/cxx-type.at: Don't pipe output of ./types through sed to
9859 remove trailing spaces. This loses the exit status of ./types,
9860 and isn't needed since ./types shouldn't be emitting trailing
9861 spaces.
9862 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
9863 as the stack isn't valid in that case.
9864
9865 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9866 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9867 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9868 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
9869 is used.
9870 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
9871 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9872 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9873 Likewise.
9874
9875 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
9876 overly-picky compilers that reject 'char *foo = "bar";'.
9877
9878 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
9879 to FILE * parameter, not to stderr. This fixes a typo introduced
9880 in the 2005-07-12 change.
9881
9882 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
9883 warnings from GCC 4.
9884
9885 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
9886 (yyglrShiftDefer, yysplitStack):
9887 Remove unused parameters b4_pure_formals. All uses changed.
9888 (yyglrShift): Remove unused parameters b4_user_formals.
9889 All uses changed.
9890 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
9891
9892 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
9893
9894 Destructor cleanups and regularization among the three skeletons.
9895 * NEWS: Document the behavior changes.
9896 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
9897 stack before failing, as the cleanup code will do it for us now.
9898 * data/lalr1.cc (yyerrlab): Likewise.
9899 * data/glr.c (yyparse): Pop everything off the stack before
9900 freeing it, so that destructors get called properly.
9901 * data/lalr1.cc (yyreturn): Likewise.
9902 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
9903 This is more consistent.
9904 * doc/bison.texinfo (Destructor Decl): Mention more reasons
9905 why destructors might be called. 1.875 -> 2.1.
9906 (Destructor Decl, Decl Summary, Table of Symbols):
9907 Some English-language cleanups for %destructor.
9908 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9909 Add output line for destructor of start symbol.
9910 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
9911 because of that same extra output line.
9912
9913 * NEWS: Document minor wording changes in diagnostics of
9914 Bison-generated parsers.
9915 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
9916 Remove unused formals. All uses changed.
9917 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
9918 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
9919 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
9920 Rename yyoverflowab to yyexhaustedlab.
9921 When memory exhaustion occurs during syntax-error reporting,
9922 report it separately rather than in a single diagnostic; this
9923 eases translation.
9924 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
9925 (Memory Exhausted): Renamed from Parser Stack Overflow.
9926 Revamp wording slightly to prefer "memory exhaustion".
9927 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
9928
9929 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
9930
9931 Add i18n support to the GLR skeleton. Partially fix the C++
9932 skeleton; a C++ expert needs to finish this. Remove debugging
9933 msgids; there's little point to having them translated, since they
9934 can be understood only by someone who can read the
9935 (English-language) source code.
9936
9937 Generate runtime-po/bison-runtime.pot automatically, so that we
9938 don't have to worry about garbage getting in that file. We'll
9939 make sure after the next official release that old msgids don't
9940 get lost. See
9941 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
9942
9943 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
9944 Now auto-generated.
9945 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
9946 Fix typos in explanations of the runtime file.
9947 * bootstrap: Change gettext keyword from YYI18N to YY_.
9948 Use standard Makefile.in.in in runtime-po, since we'll arrange
9949 for backward-compatible bison-runtime.po files in a different way.
9950 * data/glr.c (YY_): New macro, from yacc.c.
9951 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
9952 Translate messages intended for users.
9953 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
9954 the wording in the other skeletons. We don't know that the memory
9955 is virtual.
9956 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
9957 Use same method that yacc.c uses.
9958 Don't translate debugging messages.
9959 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
9960 it doesn't work (yet), and requires C++ expertise to fix.
9961 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
9962 Move defn to a more logical place, to be consistent with other
9963 skeletons.
9964 Don't translate debugging messages.
9965 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
9966 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
9967 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
9968 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
9969
9970 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
9971 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
9972 void, not int.
9973 * tests/glr-regression.at (Badly Collapsed GLR States):
9974 Likewise.
9975 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9976 yylex should return 0 at EOF rather than aborting.
9977
9978 Improve tests for stack overflow in GLR parser.
9979 Problem reported by twlevo@xs4all.nl.
9980 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
9981 All uses removed.
9982 (yyStackOverflow): Just longjmp, but with value 2 so that caller
9983 can handle the problem.
9984 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
9985 (yyparse): New local variable yyresult to record the result.
9986 Use result of setjmp to set it, rather than storing itinto
9987 struct.
9988 (yyDone): Remove label.
9989 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
9990 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
9991 if YYABORT is used).
9992 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
9993 yyparse status; put status > 1 into diagnostic.
9994 Check that status==2 works.
9995 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
9996 Use exit status 3 for failure to open (which shouldn't happen).
9997
9998 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
9999
10000 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
10001 1 on syntax error; just let yyparse do its thing.
10002 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
10003 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
10004 (Exploding the Stack Size with Alloca):
10005 (Exploding the Stack Size with Malloc):
10006 Expect exit status 2, not 1, since the parser is supposed to blow
10007 its stack. Problem reported by twlevo@xs4all.nl.
10008
10009 * data/glr.c (yyparse): Don't assume that the initial calls
10010 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
10011 Print a stack-overflow message and fail instead.
10012 Initialize the line-number information before creating the stack,
10013 so that the stack-overflow message can report line zero safely.
10014
10015 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
10016
10017 Fix problems reported by twlevo@xs4all.nl.
10018 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
10019 (yyuserMerge): Provide a default case if b4_mergers is empty.
10020 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
10021 * tests/glr-regression.at
10022 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10023 Add casts to pacify C++ compilers.
10024 * tests/glr-regression.at (Improper merging of GLR delayed action
10025 sets): Declare yylex before using it.
10026 * tests/Makefile.am (maintainer-check-g++): Fix a stray
10027 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
10028 test for valgrind; valgrind is independent of g++.
10029 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
10030 for compatibility with POSIX 1003.1-2001 (if running coreutils).
10031 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
10032 Use a destructor, so that we can expand the stack. Change
10033 YYSTYPE to char * so that we can free it. Cast result of malloc.
10034
10035 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10036
10037 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
10038 a valgrind failure. Problem reported by twlevo@xs4all.nl.
10039
10040 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
10041
10042 * PACKAGING: New file, suggested by Bruno Haible and taken from
10043 similar wording in gettext's PACKAGING file.
10044 * NEWS: Mention PACKAGING.
10045 * Makefile.am (EXTRA_DIST): Add PACKAGING.
10046
10047 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
10048
10049 * NEWS: Document recent i18n improvements.
10050 * bootstrap: Get runtime translations into runtime-po.
10051 Create runtime-po files automatically, if possible.
10052 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
10053 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
10054 does not infringe on the user's name space.
10055 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
10056 * doc/bison.texinfo (Internationalization): Revamp the English
10057 and Texinfo syntax a bit, to try to make it clearer.
10058 (Bison Options, Option Cross Key): Mention --print-localedir.
10059 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
10060 YYENABLE_NLS. Quote a bit more.
10061 * runtime-po/.cvsignore: New file.
10062 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
10063 * runtime-po/Rules-quot: Remove; now created by bootstrap.
10064 * runtime-po/quot.sed: Likewise.
10065 * runtime-po/boldquot.sed: Likewise.
10066 * runtime-po/en@quot.header: Likewise.
10067 * runtime-po/en@boldquot.header: Likewise.
10068 * runtime-po/insert-header.sin: Likewise.
10069 * runtime-po/remove-potcdate.sin: Likewise.
10070 * runtime-po/Makevars: Likewise.
10071 * runtime-po/LINGUAS: Likewise.
10072 * runtime-po/de.po: Likewise; we will rely on the translation project
10073 to maintain this, so "bootstrap" should get it.
10074 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
10075 its value.
10076 * src/main.c (main): Bind the bison-runtime domain, too.
10077
10078 2005-07-12 Bruno Haible <bruno@clisp.org>
10079
10080 * data/yacc.c: Include <libintl.h> when NLS is enabled.
10081 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
10082 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
10083 * runtime-po: New directory.
10084 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
10085 $(DOMAIN).pot-update rule, so that old messages are never dropped.
10086 * runtime-po/Rules-quot: New file, copied from po/.
10087 * runtime-po/quot.sed: Likewise.
10088 * runtime-po/boldquot.sed: Likewise.
10089 * runtime-po/en@quot.header: Likewise.
10090 * runtime-po/en@boldquot.header: Likewise.
10091 * runtime-po/insert-header.sin: Likewise.
10092 * runtime-po/remove-potcdate.sin: Likewise.
10093 * runtime-po/Makevars: New file.
10094 * runtime-po/POTFILES.in: New file.
10095 * runtime-po/LINGUAS: New file.
10096 * runtime-po/bison-runtime.pot: New file.
10097 * runtime-po/de.po: New file.
10098 * m4/bison.m4: New file.
10099 * Makefile.am (SUBDIRS): Add runtime-po.
10100 (aclocaldir, aclocal_DATA): New variables.
10101 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
10102 Define aclocaldir.
10103 * src/getargs.c (usage): Document --print-localedir option.
10104 (PRINT_LOCALEDIR_OPTION): New enum item.
10105 (long_options): Add --print-localedir option.
10106 (getargs): Handle --print-localedir option.
10107 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
10108 (Internationalization): New section.
10109
10110 2005-07-12 Akim Demaille <akim@epita.fr>
10111
10112 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
10113 for consistency with the rest of the code.
10114 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
10115 Add separators.
10116
10117 2005-07-12 Akim Demaille <akim@epita.fr>
10118
10119 * src/parse-gram.y: Use %printer instead of YYPRINT.
10120
10121 2005-07-12 Akim Demaille <akim@epita.fr>
10122
10123 * src/symtab.h, src/symtab.c (symbol_print): New.
10124 * src/symlist.h, src/symlist.c (symbol_list_print): New.
10125 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
10126
10127 2005-07-12 Akim Demaille <akim@epita.fr>
10128
10129 * data/glr.c (b4_syncline): Fix (swap) the definitions of
10130 b4_at_dollar and b4_dollar_dollar.
10131
10132 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
10133
10134 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
10135 and Pennello's paper.
10136
10137 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
10138
10139 * data/yacc.c (yyparse): Undo previous patch. Instead,
10140 set yylsp[0] and yyvsp[0] only if the initial action
10141 sets yylloc and yylval, respectively.
10142
10143 * data/yacc.c (yyparse): In the initial action, set
10144 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
10145 This avoids the use of undefined variables if the initial
10146 action does not set yylloc and/or yylval.
10147
10148 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
10149
10150 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
10151 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
10152 Remove from CVS. These files are automatically generated.
10153 * examples/extexi: Clarify that this file is now part of Bison,
10154 not GNU M4, and that it works with any POSIX-compatible Awk.
10155 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
10156 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
10157 so that we also get calc++-parser.yy. Geneate it.
10158 Use $(AWK), not gawk, since any conforming Awk will do.
10159 Put comment before action, since older 'make' can't handle comment
10160 in action.
10161 $(BUILT_SOURCES): List all built sources, not just some of them.
10162 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
10163 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
10164 $($(calc_sources_generated)): Remove unnecessary test for existence
10165 of target. (This had a shell syntax error anyway; a stray "x".)
10166 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
10167 calc++-parser.yy.
10168 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
10169
10170 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
10171 implied by the other modules.
10172
10173 2005-07-06 Akim Demaille <akim@epita.fr>
10174
10175 Bind examples/calc++ to the package.
10176 * examples/calc++/Makefile: Remove, replaced by...
10177 * examples/calc++/Makefile.am: ... this new file.
10178 * examples/calc++/test: Remove input.
10179 * examples/calc++/compile: Remove.
10180 * examples/Makefile.am: New.
10181 * configure.ac, Makefile.am: Adjust.
10182 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
10183
10184 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
10185
10186 * data/glr.c (yyFail): Drastically simplify; since the format argument
10187 never had any % directives, we can simply pass it to yyerror.
10188 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
10189 be modified later, as that is the usual style in glr.c.
10190 Problems reported by Paul Hilfinger.
10191
10192 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
10193 and size overflow errors.
10194 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
10195 in case the user prolog sets feature-test macros like _GNU_SOURCE.
10196 (YYSIZEMAX): New macro.
10197 (yystpcpy): New function, taken from yacc.c.
10198 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
10199 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
10200 so that we don't have to maintain their signatures.
10201 (yyFail): Check for buffer overflow, by using vsnprintf rather
10202 than vsprintf. Allocate a bigger buffer if possible.
10203 Report an error if buffer allocation fails.
10204 (yyStackOverflow): New function.
10205 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
10206 the initialization was successful. It might fail if storage was
10207 exhausted.
10208 (yyexpandGLRStack): Add more checks for storage allocation failure.
10209 Use yyStackOverflow to report failures.
10210 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
10211 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
10212 Don't assume stack number fits in int.
10213 (yysplitStack): Check for storage allocation failure.
10214 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
10215 can print diagnostics on storage allocation failure. All callers
10216 changed.
10217 (yyresolveValue): Use yybool for boolean.
10218 (yyreportSyntaxError): Check for size-calculation overflow.
10219 This code is taken from yacc.c.
10220 (yyparse): Check for storage allocation errors when allocating
10221 the initial stack.
10222
10223 2005-07-05 Akim Demaille <akim@epita.fr>
10224
10225 Extract calc++ from the documentation.
10226 * doc/bison.texinfo (Calc++): Add the extraction marks.
10227 * examples/extexi: New, from the aborted GNU Programming 2E.
10228 Separate the different paragraph of a file with empty lines.
10229 * examples/Makefile: Use it to extract the whole calc++ example.
10230
10231 2005-06-24 Akim Demaille <akim@epita.fr>
10232
10233 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
10234 class typedefs.
10235
10236 2005-06-22 Akim Demaille <akim@epita.fr>
10237
10238 * doc/bison.texinfo (C++ Language Interface): First stab.
10239 (C++ Parsers): Remove.
10240
10241 2005-06-22 Akim Demaille <akim@epita.fr>
10242
10243 * data/lalr1.cc (yylex_): Honor %lex-param.
10244
10245 2005-06-22 Akim Demaille <akim@epita.fr>
10246
10247 Start a set of simple examples.
10248 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
10249 * examples/calc++/calc++-driver.hh,
10250 * examples/calc++/calc++-parser.yy,
10251 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
10252 * examples/calc++/compile, examples/calc++/test: New.
10253
10254 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
10255
10256 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
10257 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
10258 which stems from the 2005-05-27 patch.
10259
10260 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
10261
10262 * data/glr.c: Modify treatment of unused parameters to permit use
10263 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
10264
10265 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
10266
10267 Fix infringement on user name space reported by Janos Zoltan Szabo.
10268 * data/yacc.c (yyparse): strlen -> yystrlen.
10269
10270 2005-05-30 Akim Demaille <akim@epita.fr>
10271
10272 * data/lalr1.cc (_): New.
10273 Translate the various messages.
10274
10275 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
10276
10277 Fix infringement on user name space reported by Bruno Haible.
10278 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
10279 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
10280 the user's name space.
10281 (alloca): Include <stdlib.h> to get it, if it's not built in.
10282 (YYMALLOC, YYFREE): Define only if needed.
10283 (malloc, free): Declare, but only if needed, as this infringes on
10284 the user name space.
10285
10286 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
10287
10288 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
10289 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
10290 with %d format.
10291 * lib/ebitset.c (min, max): Undef before defining.
10292 * lib/vbitset.c (min, max): Likewise.
10293 * lib/subpipe.c (create_subpipe): Save local variables in case
10294 vfork clobbers them.
10295
10296 2005-05-24 Bruno Haible <bruno@clisp.org>
10297
10298 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
10299 error message syntax used by gcc-4.0.
10300
10301 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
10302
10303 * README: Mention m4 1.4.3. Remove obsolete advice about
10304 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
10305
10306 * bootstrap: Remove workaround for problem I encountered with
10307 gettext 0.14.1; it seems to be fixed now.
10308
10309 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
10310
10311 * NEWS: Version 2.0a.
10312
10313 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
10314 the previous change.
10315
10316 Various maintainer cleanups.
10317 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
10318 conftest*, for benefit of CVS commands run at the same time as
10319 "configure". Add build-aux, since "bootstrap" now creates it and
10320 its subfiles.
10321 * Makefile.cfg (move_if_change): Remove.
10322 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
10323 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
10324 (po_repo, do-po-update, po-update, wget_files, get-targets):
10325 (config.guess-url_prefix, config.sub-url_prefix):
10326 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
10327 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
10328 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
10329 Remove.
10330 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
10331 this is now the recommended name.
10332 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
10333 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
10334 ylwrap. These files now go into build-aux.
10335 * config/move-if-change: Remove.
10336 * config/prev-version.txt: Bump from 1.75 to 2.0.
10337
10338 * bootstrap: Add stdio-safer, unistd-safer modules.
10339 Remove m4/glibc2.m4 (introduced by latest gnulib, but
10340 we don't need it).
10341 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
10342 fopen-safer.c, stdio-safer.h, unistd-safer.h.
10343 * lib/subpipe.c: Include "unistd-safer.h".
10344 (create_subpipe): Make sure all the newly-created
10345 file descriptors are > 2, so that diagnostics don't
10346 get sent down them (which might cause Bison to hang, in theory).
10347 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
10348 * src/files.c (xfopen): Use fopen_safer, not fopen.
10349
10350 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
10351 yesterday's yacc.c fix.
10352
10353 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
10354
10355 * data/glr.c, data/lalr1.cc: Update copyright date.
10356
10357 Fix a destructor bug reported by Wolfgang Spraul in
10358 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
10359 * data/yacc.c (yyabortlab): Don't call destructor, and
10360 don't set yychar to EMPTY.
10361 (yyoverflowlab): Don't call destructor.
10362 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
10363 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
10364 since we no longer output the message "discarding lookahead token
10365 end of input ()".
10366
10367 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10368
10369 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
10370 fix a small glitch in debugging output.
10371 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
10372 after YY_SYMBOL_PRINT where needed.
10373
10374 (struct yyGLRState): Add some comments.
10375 (struct yySemanticOption): Add some comments.
10376 (union yyGLRStackItem): Add comment.
10377
10378 (yymergeOptionSets): Correct this to properly perform the union,
10379 avoiding infinite reported by Michael Rosien.
10380 Update comment.
10381
10382 * tests/glr-regression.at: Add test for GLR merging error reported
10383 by M. Rosien.
10384
10385 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
10386
10387 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
10388 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
10389 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
10390 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
10391 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
10392 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
10393 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
10394 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
10395 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
10396 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
10397 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
10398 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
10399 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
10400 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
10401 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
10402 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
10403 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
10404 src/derives.h, src/files.c, src/files.h, src/getargs.c,
10405 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
10406 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
10407 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
10408 src/output.h, src/parse-gram.c, src/parse-gram.h,
10409 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
10410 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
10411 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
10412 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
10413 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
10414 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
10415 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
10416 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
10417 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
10418 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
10419 tests/reduce.at, tests/regression.at, tests/sets.at,
10420 tests/synclines.at, tests/testsuite.at, tests/torture.at:
10421 Update FSF postal mail address.
10422
10423 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
10424
10425 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
10426 Problem reported by Ralf Menzel.
10427
10428 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
10429
10430 * tests/actions.at: Test that stack overflow invokes destructors.
10431 From Marcus Holland-Moritz.
10432 * data/yacc.c (yyerrlab): Move the code that destroys the stack
10433 from here....
10434 (yyreturn): to here. That way, destructors are called properly
10435 even if the stack overflows, or the user calls YYACCEPT or
10436 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
10437 (yyoverflowlab): Destroy the lookahead.
10438
10439 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
10440
10441 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
10442
10443 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
10444
10445 * NEWS: Bison-generated C parsers no longer quote literal strings
10446 associated with tokens.
10447 * src/output.c (prepare_symbols): Don't escape strings,
10448 since users don't want to see C escapes.
10449 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
10450 in diagnostics.
10451 * tests/input.at (Torturing the Scanner): Likewise.
10452 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
10453
10454 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
10455
10456 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
10457 the data size is known to be too small and we can't increase it.
10458 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
10459
10460 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
10461
10462 * src/parse-gram.y: Include quotearg.h.
10463 (string_as_id): Quote $1 before using it as a key, since the
10464 lexer no longer quotes it for us.
10465 (string_content): Don't strip quotes, since lexer no longer
10466 quotes it for us.
10467 * src/scan-gram.l: Include quotearg.h.
10468 ("\""): Omit quote.
10469 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
10470 a key, since the rest of the lexer doesn't quote it.
10471 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
10472 * tests/regression.at (Token definitions): Check for backslashes
10473 in token strings.
10474
10475 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
10476 (YYSIZE_T): Define to unsigned long int when using an older compiler.
10477 (yyparse): Revamp code to generate long syntax error message, to
10478 make it easier to translate, and to avoid problems with arithmetic
10479 overflow. Change "virtual memory" to "memory" in diagnostic, since
10480 we don't know whether the memory is virtual.
10481
10482 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
10483
10484 * NEWS: Bison-generated C parsers now use the _ macro to
10485 translate strings.
10486 * data/yacc.c (_) [!defined _]: New macro.
10487 All English strings wrapped inside this macro.
10488 * doc/bison.texinfo (Bison Parser): Document _.
10489 * po/POTFILES.in: Include src/parse-gram.c, since it now
10490 includes translateable strings that parse-gram.y doesn't.
10491
10492 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
10493
10494 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
10495 reverting the 2004-10-11 change to this function.
10496 (symbol_check_alias_consistency): Don't call symbol_type_set
10497 if the type name is already correct.
10498 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
10499
10500 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
10501
10502 * tests/regression.at (Token definitions): Don't use a token named
10503 c, as that generates a "#define c ..." that runs afoul of buggy
10504 stdlib.h that uses the identifier c as a member of struct
10505 drand48_data. Problem reported by Horst Wente.
10506
10507 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
10508
10509 * bootstrap: Change translation URL from
10510 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
10511 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
10512 redirection glitches. Problem reported by twlevo@xs4all.nl.
10513
10514 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
10515
10516 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
10517 after operands; POSIX says this isn't portable for the c99 command.
10518
10519 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
10520
10521 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
10522 immediately if a data overrun has occurred; this may help us track
10523 down what may be a spurious failure on MacOS.
10524
10525 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
10526
10527 Respond to problems reported by twlevo@xs4all.nl.
10528
10529 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
10530
10531 * src/vcg.h: Comment fix.
10532 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
10533 (G_CMAX): Change to -1 instead of INT_MAX.
10534
10535 * data/yacc.c (yyparse): Omit spaces before #line.
10536
10537 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
10538
10539 * src/tables.c (state_number_to_vector_number): Put it inside an
10540 "#if 0", since it's not currently used. Problem reported by
10541 Roland McGrath.
10542
10543 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
10544
10545 * src/output.c (escaped_output): Renamed from
10546 escaped_file_name_output, since we now use it for symbol tags as
10547 well. All uses changed.
10548 (symbol_destructors_output, symbol_printers_output):
10549 Escape symbol tags too.
10550 Problem reported by Matyas Forstner in
10551 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
10552
10553 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
10554 not needed.
10555 * src/output.c (user_actions_output, token_definitions_output,
10556 symbol_destructors_output, symbol_printers_output): Likewise.
10557 * src/reader.c (prologue_augment): Likewise.
10558 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
10559
10560 * src/vcg.c (output_edge): Don't quote linestyle arg.
10561 Problem reported by twlevo@xs4all.nl.
10562
10563 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
10564
10565 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
10566 example, reported by Derek M Jones. Also, make the example even
10567 more outrageous, to better illustrate how bad the problem is.
10568
10569 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
10570
10571 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
10572 putsym. Typo reported by Sebastian Piping.
10573
10574 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
10575
10576 * doc/bison.texinfo (Language and Grammar): some -> same
10577 (Epilogue): int he -> in the
10578 Typos reported by Sebastian Piping via Justin Pence.
10579
10580 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
10581
10582 * tests/glr-regression.at (Improper handling of embedded actions
10583 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
10584 embedded actions and $-N in GLR parsers", work around an Autoconf bug
10585 with dollar signs in test names.
10586 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
10587 for a similar reason.
10588
10589 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
10590
10591 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
10592 wants to redefine G_VIEW.
10593
10594 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
10595
10596 * src/vcg.c (get_view_str): Remove case for normal_view.
10597 Problem reported by twlevo@xs4all.nl.
10598
10599 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
10600
10601 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
10602 Problem reported by twlevo@xs4all.nl.
10603
10604 * doc/bison.texinfo: Change @dircategory from "GNU programming
10605 tools" to "Software development". Requested by Richard Stallman
10606 via Karl Berry.
10607
10608 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
10609
10610 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
10611 Problem reported by twlevo@xs4all.nl.
10612
10613 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
10614
10615 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
10616 keyword; it's not needed with modern compilers, and it doesn't
10617 affect correctness with older compilers. Suggested by
10618 twlevo@xs4all.nl.
10619
10620 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
10621
10622 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
10623 gcc -Wswitch-default.
10624 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
10625 * data/yacc.c (yyparse): Likewise.
10626
10627 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
10628
10629 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
10630 already. Let config.h define any nonstandard values.
10631
10632 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
10633
10634 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
10635 for the benefit of slower hosts. Problem reported by
10636 Nelson H. F. Beebe.
10637
10638 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
10639
10640 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
10641 being defined and not used.
10642 * data/lalr1.cc (yyparse): Likewise.
10643 Use "if (false)" rather than "if (0)".
10644
10645 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
10646
10647 * TODO: Mention that we should allow NUL bytes in tokens.
10648
10649 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
10650
10651 * src/scan-skel.l (<<EOF>>): Don't close standard output.
10652 Problem reported by Hans Aberg.
10653
10654 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
10655
10656 * src/getargs.c (version): Happy new year; update overall
10657 program copyright date from 2004 to 2005.
10658
10659 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
10660 Problem reported by Hans Aberg.
10661 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
10662 (Output file names.): Add a test for the case when standard output
10663 is closed.
10664
10665 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
10666
10667 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
10668 to fix an oversight in the Bison 2.0 manual.
10669
10670 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
10671
10672 * NEWS: Version 2.0. Reformat the existing news items since
10673 1.875, so that related items are grouped together.
10674 * configure.ac (AC_INIT): Bump version to 2.0.
10675 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
10676
10677 * tests/torture.at (Exploding the Stack Size with Alloca): Set
10678 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
10679 otherwise, we're not testing alloca. Unfortunately there's no
10680 simple way to consult HAVE_ALLOCA here.
10681
10682 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
10683 for yymsg, too.
10684
10685 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
10686 hand. This avoids a warning about comparing int to size_t when
10687 GCC warnings are enabled.
10688
10689 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
10690
10691 * NEWS: Bison-generated parsers no longer default to using the
10692 alloca function (when available) to extend the parser stack, due
10693 to widespread problems in unchecked stack-overflow detection.
10694 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
10695 responsibility to set it to a positive value. This lets the user
10696 specify a value that is not a preprocessor constant.
10697 * data/yacc.c (YYMAXDEPTH): Likewise.
10698 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
10699 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
10700 to be a compile-time constant. However, explain the constraints on it.
10701 Also, explain the constraints on YYINITDEPTH.
10702 (Table of Symbols): Explain that alloca is no longer the default.
10703 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
10704 to 1.
10705
10706 * doc/bison.texinfo (Location Default Action): Mention that n must
10707 be zero when k is zero. Suggested by Frank Heckenbach.
10708
10709 2004-12-22 Akim Demaille <akim@epita.fr>
10710
10711 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
10712 (parser::state_type, parser::semantic_type, parser::location_type):
10713 Private, not public.
10714 (parser::parse): Return ints, not bool.
10715 Returning a bool introduces a problem: 0 corresponds to false, and
10716 it seems weird to return false on success. Returning true changes
10717 the conventions for yyparse.
10718 Alternatively we could return void and send an exception.
10719 There is no clear consensus (yet?).
10720 (state_stack, semantic_stack, location_stack): Rename as...
10721 (state_stack_type, semantic_stack_type, location_stack_type): these.
10722 Private, not public.
10723 * tests/c++.at: New.
10724 * tests/testsuite.at, tests/Makefile.am: Adjust.
10725
10726 2004-12-21 Akim Demaille <akim@epita.fr>
10727
10728 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
10729
10730 2004-12-21 Akim Demaille <akim@epita.fr>
10731
10732 Don't impose std::string for filenames.
10733
10734 * data/lalr1.cc (b4_filename_type): New.
10735 (position::filename): Use it.
10736 (parser.hh): Move the inclusion of stack.hh and location.hh below
10737 the user code, so that needed headers for the filename type can be
10738 included first.
10739 Forward declare them before the user code.
10740 * tests/Makefile.am (check-local, installcheck-local): Pass
10741 TESTSUITEFLAGS to the TESTSUITE.
10742
10743 2004-12-20 Akim Demaille <akim@epita.fr>
10744
10745 Use more STL like names: my_class instead of MyClass.
10746
10747 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
10748 (SemanticStack, SemanticType, StateStack, StateType)
10749 (TokenNumberType, Stack, Slice, Traits, Parser::location)
10750 (Parser::value): Rename as...
10751 (location_stack, location_type, rhs_number_type, semantic_stack)
10752 (semantic_type, state_stack, state_type, token_number_type, stack)
10753 (slice, traits, parser::yylloc, parser::yylval): these.
10754
10755 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
10756
10757 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
10758
10759 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
10760 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
10761
10762 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
10763
10764 Remove uses of 'short int' and 'unsigned short int'. This raises
10765 some arbitrary limits. It uses more memory but nowadays that's
10766 not much of an issue.
10767
10768 This change does not affect the generated parsers; that's a different
10769 task, as some users will want to conserve memory there.
10770
10771 Ideally we should use size_t to represent all object counts, and
10772 something like ptrdiff_t to represent signed differences of object
10773 counts; but that will require more code-cleanup than I have the
10774 time to do right now.
10775
10776 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
10777 Use size_t, not int or short int, to count objects.
10778 * src/closure.c (nritemset, closure): Likewise.
10779 * src/closure.h (nritemset, closure): Likewise.
10780 * src/nullable.c (nullable_compute): Likewise.
10781 * src/print.c (print_core): Likewise.
10782 * src/print_graph.c (print_core): Likewise.
10783 * src/state.c (state_compare, state_hash): Likewise.
10784 * src/state.h (struct state): Likewise.
10785 * src/tables.c (default_goto, goto_actions): Likewise.
10786
10787 * src/gram.h (rule_number, rule): Use int, not short int.
10788 * src/output.c (prepare_rules): Likewise.
10789 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
10790 errs, reductions): Likewise.
10791 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
10792 Likewise.
10793 * src/tables.c (vector_number, tally, action_number,
10794 ACTION_NUMBER_MINIMUM): Likewise.
10795 * src/output.c (muscle_insert_short_int_table): Remove.
10796
10797 2004-12-17 Akim Demaille <akim@epita.fr>
10798
10799 * data/lalr1.cc: Extensive Doxygenation.
10800 (error_): Rename as...
10801 (error): this, since it is visible to the user.
10802 Adjust callers.
10803 (Parser::message): Now an automatic variable from...
10804 (Parser::yyreport_syntax_error_): here.
10805 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
10806 Parser::error.
10807 * tests/input.at: Escape $.
10808
10809 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
10810
10811 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
10812 Parenthesize rhs to avoid obscure problems with mistakes like
10813 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
10814 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10815 b4_rhs_location): Likewise.
10816 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10817 b4_rhs_location): Likewise.
10818
10819 2004-12-16 Akim Demaille <akim@epita.fr>
10820
10821 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
10822 yacc.c: be sure to stay within yycheck_.
10823 * tests/actions.at: Re-enable C++ tests.
10824
10825 2004-12-16 Akim Demaille <akim@epita.fr>
10826
10827 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
10828 real.
10829
10830 2004-12-16 Akim Demaille <akim@epita.fr>
10831
10832 Use #define to handle the %name-prefix.
10833
10834 * data/glr.c, data/yacc.c: Comment changes.
10835 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
10836 so that one can refer to yylex in the parser file, and have it
10837 renamed, as is the case with other skeletons.
10838
10839 2004-12-16 Akim Demaille <akim@epita.fr>
10840
10841 Move lalr1.cc internals into yy*.
10842
10843 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
10844 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
10845 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
10846 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
10847 (empty_, final_, terror_, errcode_, ntokens_)
10848 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
10849 (looka_, ilooka_, error_range_, nerrs_):
10850 Rename as...
10851 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
10852 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
10853 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
10854 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
10855 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
10856 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
10857 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
10858 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
10859 these.
10860
10861 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
10862
10863 Fix some problems reported by twlevo at xs4all.
10864 * src/symtab.c (symbol_new): Report an error if the input grammar
10865 contains too many symbols. This is better than calling abort() later.
10866 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
10867 (struct node, struct graph):
10868 Rename member expand to stretch. All uses changed.
10869 (struct graph): Remove member layoutalgorithm. All uses removed.
10870 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
10871 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
10872 All uses changed.
10873 (N_STRETCH): Rename from N_EXPAND. All uses changed.
10874
10875 2004-12-15 Akim Demaille <akim@epita.fr>
10876
10877 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
10878 Add more Doxygen comments.
10879 (symprint_, stack_print_, reduce_print_, destruct_, pop)
10880 (report_syntax_error_, translate_): Rename as...
10881 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
10882 (yypop_, yyreport_syntax_error_, yytranslate_): this.
10883
10884 2004-12-15 Akim Demaille <akim@epita.fr>
10885
10886 * data/lalr1.cc (lex_): Rename as...
10887 (yylex_): this.
10888 Move the trace here.
10889 Take the %name-prefix into account.
10890 Reported by Alexandre Duret-Lutz.
10891
10892 2004-12-15 Akim Demaille <akim@epita.fr>
10893
10894 Simplify the C++ parser constructor.
10895
10896 * data/lalr1.cc (debug_): Rename as...
10897 (yydebug_): so that the parser's internals are always in the yy*
10898 pseudo namespace.
10899 Adjust uses.
10900 (b4_parse_param_decl): Remove the leading comma as it is now only
10901 called as unique argument list.
10902 (Parser::Parser): Remove the constructor accepting a location and
10903 an initial debugging level.
10904 Remove from the other ctor the argument for the debugging level.
10905 (debug_level_type, debug_level, set_debug_level): New.
10906
10907 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
10908 constructor calls.
10909
10910 2004-12-15 Akim Demaille <akim@epita.fr>
10911
10912 Remove b4_root related material: failure experiment
10913 (which goal was to allow to derive from a class).
10914
10915 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
10916 definitions and uses.
10917
10918 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
10919
10920 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
10921 not 2, since it's not portable to subtract 1 from the start of an
10922 array. The new item 0 is never set or used. All uses changed.
10923
10924 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
10925 the default definition of YYLLOC_DEFAULT. Problem reported
10926 by Frank Heckenbach.
10927
10928 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
10929
10930 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
10931 the normal case and one for the error case. Just use the
10932 first one uniformly. Problem reported by Frank Heckenbach.
10933 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
10934 use exactly the same macro in both places.
10935 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
10936 so that the normal-case YYRHSLOC works for the error case too.
10937 All uses changed.
10938 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
10939 (YYLLOC_DEFAULT): Use the same macro as glr.c.
10940 * doc/bison.texinfo (Location Default Action): Don't claim that
10941 we have an array of locations. Use the same macro for both glr
10942 and lalr parsers. Mention YYRHSLOC. Mention what happens when
10943 the index is 0.
10944
10945 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10946
10947 * HACKING: Update email addresses to send announcements to.
10948
10949 * configure.ac (AC_INIT): Bump version to 1.875f.
10950
10951 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10952
10953 * NEWS: Version 1.875e.
10954 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
10955
10956 * src/scan-skel.l: Include "complain.h", for "fatal".
10957
10958 * src/relation.h (relation_print, relation_digraph):
10959 Relation sizes are of type relation_node, not size_t (this is
10960 merely a doc fix, since the two types are equivalent).
10961 (relation_transpose): Relation sizes are of type relation_node,
10962 not int.
10963 * src/relation.c: Likewise.
10964 (top, infinity): Now of type relation_node, not int.
10965 (traverse, relation_transpose): Use relation_node, not int.
10966
10967 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
10968 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
10969 (yyparse): Remove unused local introduced in 2004-10-25 patch.
10970
10971 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
10972 specifying whether the test should be skipped. Use it tp
10973 specify that the [%defines %skeleton "lalr1.cc"] tests currently
10974 fail on some hosts, and should be skipped.
10975
10976 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
10977
10978 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
10979 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
10980 unless otherwise specified below.
10981
10982 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
10983 to allocate kernel_base, kernel_items, kernel_size, since
10984 they needn't be initialized to 0.
10985 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
10986 * src/closure.c (new_closure): Likewise, for itemset.
10987 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
10988 * src/lalr.c (set_goto_map): Likewise, for temp_map.
10989 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
10990 (build_relations): Likewise for edge, states1, includes.
10991 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
10992 * src/reader.c (packgram): Likewise, for ritem, rules.
10993 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
10994 * src/relation.c (relation_digraph): Likewise for VERTICES.
10995 (relation_transpose): Likewise for new_R, end_R.
10996 * src/symtab.c (symbols_token_translations_init): Likewise for
10997 token_translations.
10998 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
10999 (token_actions): Likewise for yydefact, actrow, conflrow,
11000 conflict_list.
11001 (save_column): Likewise for froms[symno], tos[symno].
11002 (goto_actions): Likewise for state_count.
11003 (pack_table): Likewise for base, pos, check.
11004 (tables_generate): Likewise for width.
11005
11006 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
11007 for initial core. Just have a separate core, so we needn't worry
11008 about whether kernel_size and kernel_base are initialized.
11009
11010 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
11011 kernel_size, kernel_items): Remove unnecessary initialization.
11012 * src/conflicts.c (conflicts): Likewise.
11013 * src/derives.c (derives): Likewise.
11014 * src/muscle_tablc (muscle_insert): Likewise.
11015 * src/relation.c (relation_digraph): Likewise.
11016 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
11017 conflrow, conflict_table, conflict_list, table, check):
11018 Likewise.
11019
11020 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
11021 This is because all callers pass unsigned int.
11022 * src/closure.h (new_closure): Likewise.
11023
11024 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
11025 (build_relations): Initialize includes[i] in all cases.
11026 * src/reader.c (packgram): Always initialize rules[ruleno].prec
11027 and rules[ruleno].precsym. Initialize members in order.
11028 * src/relation.c (relation_transpose): Always initialize new_R[i]
11029 and end_R[i].
11030 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
11031
11032 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
11033 conflict_list[0] was always 0, but now it isn't initialized.
11034
11035 * src/table.c (table_grow): When conflict_table grew, the grown
11036 area wasn't cleared. Fix this.
11037
11038 * lib/.cvsignore: Add strdup.c, strdup.h.
11039 * m4/.cvsignore: Add strdup.m4.
11040
11041 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
11042
11043 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
11044 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
11045 GOTO_NUMBER_MAXIMUM, since we occasionally compute
11046 ngotos + 1 without checking for overflow.
11047 (build_relations): Use END_NODE, not -1, to denote end of edges.
11048 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
11049 build_relations): Use goto_number, not int, for goto numbers.
11050 * src/tables.c (save_column, default_goto): Likewise.
11051
11052 2004-11-23 Akim Demaille <akim@epita.fr>
11053
11054 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
11055 of #defining from yystype.
11056 Don't typedef yystype, C++ does not need it.
11057 This lets it possible to forward declare it as union.
11058
11059 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
11060
11061 * bootstrap (gnulib_modules): Add extensions.
11062 Problem reported by Jim Meyering.
11063
11064 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
11065
11066 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
11067 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
11068 src/system.h, src/tables.c: XFREE -> free, to accommodate
11069 recent change to gnulib xalloc.h.
11070 Problem reported by Jim Meyering.
11071
11072 2004-11-17 Akim Demaille <akim@epita.fr>
11073
11074 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
11075
11076 2004-11-17 Akim Demaille <akim@epita.fr>,
11077 Alexandre Duret-Lutz <adl@gnu.org>
11078
11079 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
11080 changes.
11081 (YYCDEBUG): Adjust.
11082 Use it instead of cdebug_.
11083 (Parser::debug_stream, Parser::set_debug_stream): New.
11084 (Parser::symprint_): Define cdebug_ for temporary backward
11085 compatibility.
11086 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
11087 debug_stream ().
11088
11089 2004-11-17 Akim Demaille <akim@epita.fr>
11090
11091 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
11092 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
11093 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
11094 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
11095
11096 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
11097
11098 * data/glr.c (yyloc_default): Remove; not used.
11099 Problem reported by Frank Heckenbach.
11100
11101 2004-10-25 Akim Demaille <akim@epita.fr>
11102
11103 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
11104 Introduce another definition to address simple location arrays.
11105 (yyGLRStack): New member: yyerror_range.
11106 (yyrecoverSyntaxError, yyparse): Update it.
11107 (yyrecoverSyntaxError): Use it when shifting the error token to
11108 have an accurate range, equivalent to the one computed by both
11109 yacc.c and lalr1.cc.
11110 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
11111 that column numbers start at column 0, as per GNU Coding
11112 Standards, the others tests, and the doc.
11113 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
11114 Adjust to the above change (first column is 0).
11115 And adjust the location of the "<error>", now covering the whole
11116 line.
11117
11118 2004-10-22 Akim Demaille <akim@epita.fr>
11119 and Paul Eggert <eggert@cs.ucla.edu>
11120
11121 Remove some arbitrary limits on goto numbers and relations.
11122 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
11123 initial values, since they're never used.
11124 (set_goto_map): ngotos is now unsigned, so test for overflow
11125 by seeing whether it wraps around to zero.
11126 * src/lalr.h (goto_number): Now size_t, not short int.
11127 (GOTO_NUMBER_MAXIMUM): Remove.
11128 * src/relation.c (relation_print, traverse, relation_transpose):
11129 Check for END_NODE rather than looking at sign.
11130 * src/relation.h (END_NODE): New macro.
11131 (relation_node): Now size_t, not short int.
11132
11133 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
11134
11135 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
11136 keyword, not an identifier. Problem reported by Baron Schwartz in
11137 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
11138
11139 2004-10-11 Akim Demaille <akim@epita.fr>
11140
11141 * src/symtab.c (symbol_check_alias_consistency): Also check
11142 type names, destructors, and printers.
11143 Reported by Alexandre Duret-Lutz.
11144 Recode the handling of associativity and precedence in terms
11145 of symbol_precedence_set.
11146 Accept no redeclaration at all, not even equal to the previous
11147 value.
11148 (redeclaration): New.
11149 Use it to factor redeclaration complaints.
11150 (symbol_make_alias): Don't set the type of the alias, let
11151 symbol_check_alias_consistency do it as for other features.
11152 * src/symtab.h (symbol): Add new member prec_location, and
11153 type_location.
11154 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
11155 * tests/input.at (Incompatible Aliases): New.
11156
11157 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
11158
11159 .cvsignore fixes to accommodate gnulib changes,
11160 and the practice of naming build directories "_build".
11161 * .cvsignore: Add "_*". Sort.
11162 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
11163 * m4/.cvsignore: Add "*_gl.m4".
11164
11165 2004-10-06 Akim Demaille <akim@epita.fr>
11166
11167 * src/parse-gram.y (add_param): Fix the truncation of trailing
11168 spaces.
11169
11170 2004-10-05 Akim Demaille <akim@epita.fr>
11171
11172 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
11173 whether the reducion was empty or not. This leaves room to
11174 improve the use of YYLLOC_DEFAULT in such a case.
11175 lalr1.cc is still experimental, so changing this is acceptable.
11176 And finally, there are probably not many users who changed the
11177 handling of locations in GLR, so changing is admissible too.
11178
11179 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
11180 empty reduction, set @$ to an empty location ending the previously
11181 stacked symbol.
11182 Adjust uses to make sure the code is triggered on empty
11183 reductions.
11184 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
11185 expected output: empty reductions have empty locations.
11186
11187 2004-09-29 Akim Demaille <akim@epita.fr>
11188
11189 * data/lalr1.cc: Move towards a more standard C++ coding style
11190 for templates: Class < T > -> Class<T>.
11191
11192 2004-09-29 Akim Demaille <akim@epita.fr>
11193
11194 * data/lalr1.cc: Reinstall the former ctor, for sake of
11195 compatibility, but warn it will be removed.
11196 Move towards a more standard C++ coding style (i.e., type *var ->
11197 type* var).
11198
11199 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
11200
11201 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
11202 since it's less likely to work if NULs are involved in the future.
11203
11204 2004-09-27 Akim Demaille <akim@epita.fr>
11205
11206 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
11207
11208 2004-09-27 Akim Demaille <akim@epita.fr>
11209
11210 * data/lalr1.cc (b4_parse_param_decl_1): New.
11211 (b4_parse_param_decl): Use it to have different names between attribute
11212 and argument names.
11213 (b4_cc_constructor_call): Likewise.
11214
11215 2004-09-24 Akim Demaille <akim@epita.fr>
11216
11217 * src/parse-gram.y (add_param): Strip the leading and trailing
11218 blanks from a formal argument declaration.
11219 (YY_LOCATION_PRINT): New.
11220
11221 2004-09-24 Akim Demaille <akim@epita.fr>
11222
11223 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
11224 after the location.
11225
11226 2004-09-24 Akim Demaille <akim@epita.fr>
11227
11228 * doc/bison.texinfo (Table of Symbols): Sort.
11229
11230 2004-09-21 Akim Demaille <akim@epita.fr>
11231
11232 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
11233 the useless parentheses.
11234 Suggested by Paul Eggert.
11235
11236 2004-09-20 Akim Demaille <akim@epita.fr>
11237
11238 Let the initial-action act on the look-ahead, and use it for the
11239 "initial push" (corresponding to an hypothetical beginning-of-file).
11240 And let lalr1.cc honor %initial-action.
11241
11242 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
11243 example.
11244 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
11245 (Parser::Parser): Remove the ctor that used to initialize it.
11246 (Parser::parse): Like in the other skeletons, issue the "starting
11247 parse" message before any action.
11248 Honor %initial-action.
11249 Initialize the stacks with the lookahead.
11250 * data/yacc.c: Let $$ and @$ in %initial-action designate the
11251 look-ahead.
11252 Push them in the stacks.
11253 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
11254
11255 2004-09-20 Akim Demaille <akim@epita.fr>
11256
11257 * doc/bison.texinfo (Initial Action Decl): New.
11258
11259 2004-09-20 Akim Demaille <akim@epita.fr>
11260
11261 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
11262 clearer criterion to define it.
11263 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
11264 When reducing on an empty RHS, use the latest stacked location as
11265 location.
11266 yylloc is not always available.
11267 * data/glr.c: Likewise.
11268 Also, honor initial-actions.
11269
11270 2004-09-20 Akim Demaille <akim@epita.fr>
11271
11272 * data/yacc.c (YY_LOCATION_PRINT): New.
11273 Define when we know YYLTYPE's structure, i.e., when the default
11274 YYLLOC_DEFAULT is used.
11275 * data/c.m4 (b4_yysymprint_generate): Use it.
11276 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
11277 value of the result.
11278 (error_start_): Replace with...
11279 (error_range_): this location array.
11280 This allows to replace code relying on the implementation of
11281 locations by portable code.
11282 * data/yacc.c (yylerrsp): Replace with...
11283 (yyerror_range): this.
11284 Every time a token is popped, update yyerror_range[0], to have an
11285 accurate location for the error token.
11286 * data/glr.c (YY_LOCATION_PRINT): New.
11287 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
11288 deference a pointer.
11289 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
11290 report the location in %printers.
11291
11292 * src/scan-skel.l: Instead of abort, report error messages to ease
11293 understanding skeleton scanning failures.
11294
11295 2004-09-16 Akim Demaille <akim@epita.fr>
11296
11297 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
11298 (iterator, const_iterator): these, to be more in the C++ spirit.
11299 Also, return reverse iterators so that when displaying the stack
11300 we display its bottom first.
11301 (Parser::stack_print_, Parser::reduce_print_): Match the messages
11302 from yacc.c.
11303 We should probably use vector here though.
11304
11305 2004-09-16 Akim Demaille <akim@epita.fr>
11306
11307 Have more complete shift traces.
11308
11309 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
11310 to report Shifts instead of ad hoc YYDPRINTF invocations,
11311 including for the error token.
11312 * data/lalr1.cc (symprint_): Output the location.
11313 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
11314 output the location within the %printer.
11315 Activate GLR tests, at least to make sure they compile properly.
11316 They still don't pass though.
11317 * tests/calc.at: Adjust expect verbose output, since now "Entering
11318 state..." is on a different line than the "Shifting" message.
11319
11320 2004-09-08 Akim Demaille <akim@epita.fr>
11321
11322 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
11323 Bison directive from the Bison file to the invocation of this
11324 macro, so that these directives are passed to
11325 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
11326 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
11327 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
11328 the extra Bison directives instead of the whole series.
11329 Change the grammar so that there are recoverable errors, and
11330 unrecoverable errors. Now we can have the parser give up before
11331 consuming the whole input. As a result we now can observe that
11332 the lookahead is freed when needed.
11333 Change the parser source to parse argv[1] instead of a hard coded
11334 string.
11335 Simplify yylex, and give a value and location to EOF.
11336 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
11337 passed directives already coded in the file.
11338 Add some tests to check the location of "error".
11339 For some tests, the C++ parser is correct, and not yacc.c.
11340 For other tests, they provide different, but unsatisfying, values,
11341 so keep the C++ value so that at least one parser is "correct"
11342 according to the test suite.
11343 (Actions after errors): Remove, this is subsumed by the
11344 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
11345
11346 2004-09-06 Akim Demaille <akim@epita.fr>
11347
11348 * data/lalr1.cc: Adjust the indentation of the labels.
11349 (Parser::pop): New.
11350 Use it.
11351
11352 2004-09-06 Akim Demaille <akim@epita.fr>
11353
11354 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
11355 argument, an informative message.
11356 Call YY_SYMBOL_PRINT.
11357 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
11358 * data/lalr1.cc (destruct_): Likewise.
11359 In addition, no longer depend on b4_yysymprint_generate and
11360 b4_yydestruct_generate to generate these functions, do it "by
11361 hand".
11362
11363 2004-09-03 Akim Demaille <akim@epita.fr>
11364
11365 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
11366 invoked, yydestruct the lookahead.
11367 * tests/calc.at (Calculator $1): Update the expected lengths of
11368 traces: there is an added line for the discarded lookahead.
11369 * doc/bison.texinfo (Destructor Decl): Some rewording.
11370 Define "discarded" symbols.
11371
11372 2004-09-02 Akim Demaille <akim@epita.fr>
11373
11374 * data/lalr1.cc (translate_, destruct_): No reason to be static.
11375
11376 2004-09-02 Akim Demaille <akim@epita.fr>
11377
11378 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
11379 (YYDSYMPRINTF): Rename as...
11380 (YY_SYMBOL_PRINT): this.
11381 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
11382 two.
11383 Use it instead of direct symprint_ calls.
11384 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
11385 one.
11386
11387 2004-09-02 Akim Demaille <akim@epita.fr>
11388
11389 * data/lalr1.cc (b4_yysymprint_generate): New.
11390 (symprint_): New member function, defined when YYDEBUG.
11391 Use it consistently instead of token/nterm debugging output by
11392 hand.
11393 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
11394 %printer calls to use cdebug_ when using lalr1.cc.
11395
11396 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
11397
11398 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
11399 with #ifdef YYDEBUG.
11400
11401 2004-08-26 Akim Demaille <akim@epita.fr>
11402
11403 * doc/bison.texinfo (Implementing Loops): Rename as...
11404 (Implementing Gotos/Loops): this.
11405
11406 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
11407
11408 Adjust to latest gnulib.
11409 * bootstrap (gnulib_modules): Add xalloc-die.
11410 Set LC_ALL=C so that file names sort consistently.
11411 Prefer the gnulib copies of gettext.m4, glibc21.m4,
11412 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
11413 uintmax_t.m4, ulonglong.m4.
11414 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
11415 po.m4 since we are now using _gl.m4 instead.
11416
11417 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
11418
11419 * src/scan-action.l: Remove. Scanning of semantic actions is
11420 handled in scan-gram.l.
11421
11422 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
11423
11424 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
11425
11426 * src/location.h (struct): The file member is a uniqstr.
11427 (equal_boundaries): Use UNIQSTR_EQ for comparison.
11428
11429 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
11430
11431 Fix bug with non-%union parsers that have printers or destructors,
11432 which led to a Bison core dump. Reported by Peter Fales in
11433 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
11434
11435 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
11436 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
11437 not to our own type.
11438 * src/output.c (symbol_destructors_output, symbol_printers_output):
11439 Don't assume %union.
11440 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
11441 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
11442 UNION-FLAG. All callers changed.
11443 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
11444 Use type char, not unsigned int, when declaring an array of char;
11445 this lets us remove a cast.
11446 (Printers and Destructors): Add non-%union test cases.
11447
11448 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
11449
11450 * doc/bison.texinfo: Minor editorial changes, mostly to the new
11451 GLR writeups. E.g., avoid frenchspacing and the future tense,
11452 change "lookahead" to "look-ahead", and change "wrt" to "with
11453 respect to".
11454
11455 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11456
11457 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
11458 New sections, split off from the GLR Parsers section. Put the new
11459 Simple GLR Parser near the start of the GLR section, for clarity.
11460 Rewrite connective text.
11461
11462 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
11463
11464 * doc/bison.texinfo (Simple GLR Parsers): New section.
11465
11466 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
11467
11468 * NEWS, TODO, doc/bison.texinfo:
11469 Use "look-ahead" instead of "lookahead", to be consistent.
11470 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
11471 while we're fixing "look-ahead".
11472 * src/conflicts.c (shift_set): Renamed from shiftset.
11473 (look_ahead_set): Renamed from lookaheadset.
11474 * src/print.c: Likewise.
11475 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
11476 name for "lookahead".
11477 (report_types, usage): Likewise.
11478 * src/getargs.h (report_look_ahead_tokens): Renamed from
11479 report_lookaheads.
11480 * src/lalr.c (compute_look_ahead_tokens): Renamed from
11481 compute_lookaheads.
11482 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
11483 (look_ahead_tokens_print): Renamed from lookaheads_print.
11484 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
11485 state_rule_lookaheads_print.
11486 * src/state.h: Likewise.
11487 (reductions.look_ahead_tokens): Renamed from lookaheads.
11488 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
11489 AT_DATA_LOOKAHEADS_GRAMMAR.
11490
11491 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
11492
11493 * README: Update location of patched M4 distribution.
11494
11495 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
11496
11497 Don't assume the C++ compiler takes the same arguments as the C compiler
11498 (trivial change).
11499 * configure.ac (O0CXXFLAGS): New var.
11500 * tests/atlocal.in (CXXFLAGS): Use it.
11501
11502 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
11503
11504 Fix some "make check" problems with C++ reported by
11505 Albert Chin-A-Young for Tru64 C++ in this thread:
11506 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
11507
11508 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
11509 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
11510 Output to a .cc file for C++, not to a .c file.
11511 * tests/calc.at (AT_CHECK_CALC): Likewise.
11512 * tests/regression.at (AT_CHECK_DANCER): Likewise.
11513 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
11514
11515 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
11516
11517 * tests/calc.at, tests/actions.at: Workaround for SGI
11518 C++ compiler. (trivial change)
11519
11520 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
11521
11522 Spent a few hours checking out which prerequisite versions the
11523 current sources actually require. I went all the way back to
11524 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
11525 a seemingly endless set of combinations of versions more recent
11526 than that. The bottom line is that the current sources require
11527 fairly recent versions of the build tools, and it'll be some work
11528 to change this.
11529 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
11530 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
11531 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
11532 Add comments explaining why those particular versions are
11533 currently needed.
11534
11535 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
11536 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
11537 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
11538
11539 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
11540 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
11541
11542 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
11543
11544 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
11545 0.11.5. Suggested by Bruno Haible.
11546 * bootstrap: Remove gettext version checking.
11547
11548 * doc/bison.texinfo (Decl Summary): Also mention that %union
11549 can depend on prerequisite types. Problem reported by Tim
11550 Van Holder.
11551
11552 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
11553
11554 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
11555 * README-alpha: Don't tell people not to package this.
11556
11557 * bootstrap: Don't assume $(...) works; use `...` instead.
11558 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
11559 gettext better.
11560
11561 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
11562 put into the -d output file, and mention what to do if YYSTYPE is
11563 defined as a macro.
11564
11565 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
11566
11567 Undo change made earlier today: it caused autopoint to not bring
11568 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
11569 autopoint's.
11570
11571 * bootstrap: Check that gettext version matches what's in
11572 configure.ac. Warn users to ignore robots.txt ERROR 404.
11573 * bootstrap: Undo today's earlier change (logged below).
11574 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
11575
11576 The gettext version checking is causing more trouble than it's
11577 curing; remove it. Problem reported by Paul Hilfinger.
11578
11579 * bootstrap: Issue a warning that one can expect a message
11580 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
11581 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
11582
11583 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
11584
11585 Ensure that the C++ compiler used for testing actually works on a
11586 simple test program; if not, skip the C++-related tests. Problem
11587 reported by Vin Shelton in:
11588 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
11589
11590 * m4/cxx.m4: New file.
11591 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
11592 * tests/atlocal.in (BISON_CXX_WORKS): Add.
11593 * tests/local.at (AT_COMPILE_CXX): Use it.
11594
11595 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
11596
11597 * data/glr.c (yylloc): Output this macro even if locations are not
11598 being generated, as the GLR parser needs it even in that case.
11599 Problem reported by Troy A. Johnson
11600 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
11601
11602 * configure.ac (AC_INIT): Update to 1.875e.
11603
11604 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
11605
11606 * NEWS: Version 1.875d.
11607 * configure.ac (AC_INIT): Likewise.
11608 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
11609
11610 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
11611 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
11612 lalr1.cc runs afoul of the first, and the last two are no longer
11613 supported by GCC 3.4.0.
11614 * README: Mention GNU m4 1.4 or later; mention m4 patches.
11615 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
11616
11617 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
11618
11619 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
11620 unsigned int, for compatibility with latest gnulib hash module.
11621 * src/state.c (state_hash, state_hasher): Likewise.
11622 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
11623 * src/uniqstr.c (hash_uniqstr): Likewise.
11624
11625 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
11626
11627 * NEWS: Unescaped newlines are no longer allowed in char & strings.
11628
11629 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
11630 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
11631 character and string literals.
11632 (unexpected_end): New function.
11633 (unexpected_eof): Use it.
11634 (unexpected_newline): New function.
11635 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
11636 actions.
11637
11638 * NEWS: Document %expect-rr.
11639
11640 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
11641 Fix typo by replacing $1 with $option.
11642 Remove more 'intl'-related files.
11643 Don't DEFUN AM_INTL_SUBDIR twice.
11644
11645 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
11646 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
11647 strtoul.c.
11648 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
11649 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
11650 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
11651 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
11652 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
11653 * src/.cvsignore: Add *.output.
11654
11655 * src/parse-gram.y: Put copyright notice inside %{ %} so it
11656 gets copied to the output file.
11657
11658 2004-04-28 Paul Eggert <eggert@twinsun.com>
11659
11660 Get files from the gnulib and po repositories, instead of relying
11661 on them being in our CVS. Upgrade to latest versions of gnulib
11662 and Automake.
11663
11664 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
11665 * bootstrap: Bootstrap from gnulib and po repositories.
11666 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
11667 * README-cvs: Document these changes. Remove version numbers from
11668 mentions of build tools, since they change so often. Mention Flex.
11669
11670 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
11671 (gl_USE_SYSTEM_EXTENSIONS): Add.
11672 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
11673 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
11674 does this for us.
11675 (AC_ISC_POSIX): Remove; we no longer support this
11676 ancient OS, as it gets in the way of latest Autoconf & gnulib.
11677 (AC_HEADER_STDC): Remove: we now assume C89 or better.
11678 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
11679 Do not check for C89 headers, except for locale.h which is used
11680 by the Yacc library and must port to K&R hosts.
11681 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
11682 Do not check for C89 functions, except for setlocale which is
11683 used by the Yacc library.
11684 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
11685 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
11686 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
11687 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
11688 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
11689 AM_GNU_GETTEXT): Remove; now done by:
11690 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
11691 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
11692 for us.
11693
11694 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
11695 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
11696 Define to empty, as gnulib.mk will do the rest for us.
11697 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
11698 for us.
11699 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
11700 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
11701
11702 * src/files.c: Include gnulib's xstrndup.h.
11703
11704 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
11705 (REALLOC): Use xnrealloc, for likewise.
11706 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
11707 (strnlen, memrchr): Remove decls; functions no longer used.
11708 Include <stpcpy.h>.
11709
11710 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
11711 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
11712 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
11713 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
11714 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
11715 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
11716 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
11717 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
11718 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
11719 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
11720 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
11721 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11722 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
11723 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
11724 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
11725 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
11726 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
11727 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
11728 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
11729 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
11730 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
11731 Remove, as these files are now generated automatically
11732 by bootstrap or automake.
11733
11734 * po/ChangeLog: Remove: all but one entry was a duplicate
11735 of this file, and I moved that 2000-11-02 entry here.
11736
11737 * config/.cvsignore: Add Makefile, depcomp, install-sh.
11738 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
11739 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
11740 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
11741 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
11742 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
11743 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
11744 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
11745 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
11746 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
11747 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
11748 xstrndup.h.
11749 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
11750 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
11751 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
11752 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
11753 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
11754 * src/.cvsignore: Remove *_.c.
11755
11756
11757 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
11758 support it. (The latest stable gzip doesn't.)
11759
11760 2004-04-27 Paul Eggert <eggert@twinsun.com>
11761
11762 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
11763 case, as stos_ is now used by destructors due to the 2004-02-09
11764 change.
11765
11766 Remove more K&R C support.
11767 * lib/libiberty.y (PARAMS): Remove. All uses removed.
11768 * lib/subpipe.c (errno): Remove decl.
11769 Include <stdlib.h> unconditionally.
11770 (EXIT_FAILURE): Remove macro.
11771 * src/complain.c (vfprintf, strerror): Remove.
11772 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
11773 unconditionally.
11774 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
11775 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
11776 (strchr, strspn, memchr): Remove decls.
11777 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
11778 unconditionally. Do not declare perror.
11779 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
11780 unconditionally.
11781
11782 * src/complain.c (_): Remove useless defn, as system.h defines this.
11783
11784 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
11785 with latest obstack.h.
11786 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
11787 to procedure types, as obstack.h now does that for us.
11788 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
11789
11790 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
11791 so that this include file can stand alone.
11792 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
11793 does this now. Include subpipe.h first after config.h, to
11794 test whether it can stand alone.
11795
11796 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
11797 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
11798 unused declaration.
11799
11800 * tests/synclines.at (%union synch line): Put a dummy member in
11801 the union, because empty unions aren't allowed in C. Caught
11802 by GCC 3.4.0.
11803
11804 2004-04-13 Jim Meyering <jim@meyering.net>
11805
11806 * src/conflicts.c (conflicts_print): Correct format string typo:
11807 use `%%' to produce literal `%'. (trivial change)
11808
11809 2004-03-30 Paul Eggert <eggert@twinsun.com>
11810
11811 * src/getargs.c (version): Update copyright year to 2004.
11812
11813 * data/c.m4 (b4_int_type): Use 'short int' rather than
11814 'short', and similarly for 'long', 'unsigned', etc.
11815 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
11816 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
11817 yy_yypstack, yydumpstack): Likewise.
11818 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
11819 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
11820 Likewise.
11821 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
11822 yy_stack_print, yyparse): Likewise.
11823 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
11824 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
11825 * lib/bitset.c (bitset_print): Likewise.
11826 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
11827 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11828 * lib/bitsetv.c (bitsetv_dump): Likewise.
11829 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
11830 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
11831 Likewise.
11832 * src/LR0.c (allocate_itemsets): Likewise.
11833 * src/gram.h (rule_number, rule): Likewise.
11834 * src/lalr.h (goto_number): Likewise.
11835 * src/nullable.c (nullable_compute): Likewise.
11836 * src/output.c (prepare_rules): Likewise.
11837 * src/relation.c (relation_print, relation_digraph): Likewise.
11838 * src/relation.h (relation_node): Likewise.
11839 * src/state.h (state_number, transitions, errs, reductions,
11840 struct state): Likewise.
11841 * src/symtab.h (symbol_number, struct symbol): Likewise.
11842 * src/tables.c (vector_number, tally, action_number,
11843 default_goto, goto_actions): Likewise.
11844 * tests/existing.at (GNU Cim Grammar): Likewise.
11845 * tests/regression.at (Web2c Actions): Likewise.
11846
11847 * src/output.c (muscle_insert_short_int_table): Renamed from
11848 muscle_insert_short_table. All uses changed.
11849
11850 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11851
11852 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
11853 (declaration): Replace expected_conflicts with expected_sr_conflicts.
11854 Add %expect-rr rule.
11855
11856 * src/scan-gram.l: Recognize %expect-rr.
11857
11858 * src/conflicts.h (expected_sr_conflicts): Rename from
11859 expected_conflicts.
11860 (expected_rr_conflicts): Declare.
11861
11862 * src/conflicts.c (expected_sr_conflicts): Rename from
11863 expected_conflicts.
11864 (expected_rr_conflicts): Define.
11865 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
11866 for GLR parsers.
11867 Use expected_sr_conflicts in place of expected_conflicts.
11868 Warn if expected_rr_conflicts used in non-GLR parser.
11869
11870 * doc/bison.texinfo: Add documentation for %expect-rr.
11871
11872 2004-03-08 Paul Eggert <eggert@gnu.org>
11873
11874 Add support for hex token numbers. Suggested by Odd Arild Olsen in
11875 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
11876
11877 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
11878 in lalr1.cc.
11879 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
11880 * src/scan-gram.l (scan_integer): New function.
11881 ({int}): Use it.
11882 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
11883 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
11884 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
11885 Say "long int", not "long", for uniformity with GNU style.
11886
11887 2004-02-25 Paul Eggert <eggert@twinsun.com>
11888
11889 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
11890 compilers. This fixes a problem with Intel's C++ compiler being
11891 chatty, reported by Guido Trentalancia in
11892 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
11893
11894 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
11895
11896 Support %destructor and merge error locations in lalr1.cc.
11897
11898 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
11899 (Parser::stos_): Define unconditionally.
11900 (Parser::destruct_): New method. Generate its body with
11901 b4_yydestruct_generate.
11902 (Parser::error_start_): New attribute.
11903 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
11904 token which are discarded.
11905 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
11906 error_start_ when erroneous token are discarded.
11907 (Parser::parse) <yyerrlab1>: Compute the location of the error
11908 token so that it covers all the discarded tokens.
11909 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
11910 it can be called with `%skeleton "lalr1.cc"', and do that.
11911
11912 2004-02-02 Paul Eggert <eggert@twinsun.com>
11913
11914 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
11915 $(top_srcdir)/lib and ../lib. This fixes a bug reported
11916 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
11917 There's no need to mention top_builddir since Automake does that
11918 for us.
11919 (INCLUDES): Remove, as Automake says it's obsolescent.
11920 Contents migrated into AM_CPPFLAGS as described above.
11921 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
11922
11923 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11924
11925 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
11926 (yyreportSyntaxError): Handle case where lookahead token is
11927 YYEMPTY.
11928
11929 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11930
11931 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
11932 resulting parsers are compilable with C++.
11933
11934 2003-12-23 Paul Eggert <eggert@twinsun.com>
11935
11936 * config/depcomp, config/install-sh: Sync with Automake 1.8.
11937 * src/output.c (output_skeleton): Rename local var.
11938 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
11939 Bison tokens, as this runs afoul of the 2003-10-07 change that
11940 disallowed NUL bytes in character constants or string literals.
11941
11942 * tests/local.at: Require Autoconf 2.59's Autotest.
11943 * tests/testsuite.at: Don't include local.at, since we now assume
11944 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
11945 including it.
11946 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
11947 multiple inclusion warnings.
11948
11949 2003-12-02 Akim Demaille <akim@epita.fr>
11950
11951 * doc/bison.texinfo (How Can I Reset the Parser): More about start
11952 conditions.
11953 From Bruno Haible.
11954
11955 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
11956
11957 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
11958
11959 2003-10-07 Paul Eggert <eggert@twinsun.com>
11960
11961 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
11962 if testsuite doesn't exist.
11963
11964 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
11965 literals, unfortunately.
11966 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
11967 Complain about NUL bytes in character constants or string literals.
11968
11969 2003-10-05 Paul Eggert <eggert@twinsun.com>
11970
11971 * NEWS: Don't document %no-default-prec, as it's still
11972 too experimental.
11973 * doc/bison.texinfo: Document %no-default-prec only if
11974 the defaultprec flag is set. Normally it's not.
11975
11976 2003-10-04 Paul Eggert <eggert@twinsun.com>
11977
11978 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
11979 non-modifiable lvalue, instead of a modifiable one.
11980 * doc/bison.texinfo (Actions): Document that $$ can
11981 be assigned to. Do not claim that $$ and $N are
11982 array element references: user code should not rely on this.
11983
11984 2003-10-01 Paul Eggert <eggert@twinsun.com>
11985
11986 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
11987 (grammar_declaration): Use it.
11988 * src/scan-gram.l: New token %no-default-prec.
11989 * tests/conflicts.at: Revamp tests to use %no-default-prec.
11990 * NEWS, doc/bison.texinfo: Document the above.
11991
11992 2003-10-01 Akim Demaille <akim@epita.fr>
11993
11994 VCG no longer supports long_straight_phase.
11995
11996 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
11997 * src/print_graph.c (print_graph): Adjust.
11998
11999 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
12000 and Paul Eggert <eggert@twinsun.com>
12001
12002 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
12003 Table of Symbols): Document %default-prec.
12004 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
12005 (grammar_declaration): Set default_prec on %default-prec.
12006 * src/scan-gram.l (%default-prec): New token.
12007 * src/reader.h (default_prec): New flag.
12008 * src/reader.c: Likewise.
12009 (packgram): Handle it.
12010 * tests/conflicts.at (%default-prec without %prec,
12011 %default-prec with %prec, %default-prec 1): New tests.
12012
12013 2003-09-30 Paul Eggert <eggert@twinsun.com>
12014
12015 * tests/testsuite.at: Include local.at, not input.at, fixing
12016 a typo in the 2003-08-25 patch.
12017
12018 2003-08-27 Akim Demaille <akim@epita.fr>
12019
12020 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
12021 GCC warnings.
12022
12023 2003-08-26 Akim Demaille <akim@epita.fr>
12024
12025 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
12026 "<\#" to avoid magic from Gnus when posting parts of this script.
12027
12028 2003-08-26 Akim Demaille <akim@epita.fr>
12029
12030 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
12031 (Parser::parse): here.
12032 Adjust: nerrs and errstatus is now replaced by...
12033 (Parser::nerrs_, Parser::errstatus_): New.
12034
12035 2003-08-25 Akim Demaille <akim@epita.fr>
12036
12037 * config/announce-gen, Makefile.cfg: New.
12038 * Makefile.am: Adjust.
12039 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
12040 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
12041
12042 2003-08-25 Akim Demaille <akim@epita.fr>
12043
12044 When reducing initial empty rules, Bison parser read an initial
12045 location that is not defined. This results in garbage, and that
12046 affects Bison's own parser. Therefore we need (i) to extend Bison
12047 to support a means to initialize this location, and (ii) to use
12048 this CVS Bison to fix CVS Bison's parser.
12049
12050 * src/reader.h, reader.c (epilogue_augment): Remove, replace
12051 with...
12052 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
12053 * src/parse-gram.y: Adjust.
12054 (%initial-action): New.
12055 (%error-verbose): Since we require CVS Bison, there is no reason
12056 not to use it.
12057 * src/scan-gram.l: Adjust.
12058 * src/Makefile.am (YACC): New, to make sure we use our own parser.
12059 * data/yacc.c (yyparse): Use b4_initial_action.
12060
12061 2003-08-25 Akim Demaille <akim@epita.fr>
12062
12063 * doc/bison.texinfo: Don't promote stdout for error messages.
12064
12065 2003-08-25 Akim Demaille <akim@epita.fr>
12066
12067 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
12068 From Alexandre Duret-Lutz.
12069
12070 2003-08-25 Akim Demaille <akim@epita.fr>
12071
12072 Version 1.875c.
12073
12074 2003-08-25 Akim Demaille <akim@epita.fr>
12075
12076 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
12077 Use them.
12078
12079 2003-08-25 Akim Demaille <akim@epita.fr>
12080
12081 * data/lalr1.cc (Parser::reduce_print_): New.
12082 Use it.
12083
12084 2003-08-25 Akim Demaille <akim@epita.fr>
12085
12086 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
12087 error recovery loops. This patch is based on
12088 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
12089 Also, augment the similarity between lalr1.cc and yacc.c.
12090 Note: the locations of error recovery rules are not correct yet.
12091
12092 * data/lalr1.cc: Comment changes to augment the similarity between
12093 lalr1.cc and yacc.c.
12094 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
12095 (yyerrlab1): Remove, but where it used to be (now the bottom part of
12096 yyerrlab), when hitting EOF, pop the whole stack here instead of
12097 merely falling thru the default error handling mechanism.
12098 (yyerrorlab): New label, with the old contents of YYERROR,
12099 plus the following change: pop the stack of rhs corresponding
12100 to the production that invoked YYERROR. That is how Yacc
12101 behaves (required by POSIX).
12102 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
12103 fail.
12104
12105 2003-08-25 Akim Demaille <akim@epita.fr>
12106
12107 Tune local.at so that people can "autom4te -l autotest calc.at -o
12108 calc" for instance, to extract a sub test suite.
12109
12110 * tests/testsuite.at: Move the initialization, Autotest version
12111 requirement, and AT_TESTED invocation into...
12112 * tests/local.at: here.
12113 * tests/testsuite.at: Include it for compatibility with Autoconf
12114 2.57.
12115 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
12116 be ignore.
12117
12118 2003-08-04 Paul Eggert <eggert@twinsun.com>
12119
12120 Rework code slightly to avoid gcc -Wtraditional warnings.
12121 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
12122 The returned value is now stored in *YY0. All callers changed.
12123 * src/output.c (merge_output): Adjust to the above change.
12124
12125 2003-07-26 Paul Eggert <eggert@twinsun.com>
12126
12127 * data/glr.c (YYASSERT): New macro.
12128 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
12129 yyresolveStates, yyprocessOneStack):
12130 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
12131 Derived from a suggestion by Frank Heckenbach.
12132
12133 2003-07-25 Paul Eggert <eggert@twinsun.com>
12134
12135 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
12136 for portability to K&R C (after ansi2knr, presumably). See
12137 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
12138 by Frank Heckenbach, though I have omitted the structure-initialization
12139 part of his glr-knr.diff patch since I recall that the Portable
12140 C Compiler didn't require that change.
12141
12142 Let the user specify how to allocate and free memory.
12143 Derived from a suggestion by Frank Heckenbach in
12144 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
12145 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
12146 All uses of free, malloc, realloc changed to use these macros,
12147 and unnecessary casts removed.
12148 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
12149
12150 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
12151
12152 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
12153 use s.empty() rather than s == "" to test for empty string; see
12154 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
12155 (trivial change)
12156
12157 2003-06-25 Akim Demaille <akim@epita.fr>
12158
12159 * config/depcomp, config/install-sh: Update from masters.
12160
12161 2003-06-20 Paul Eggert <eggert@twinsun.com>
12162
12163 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
12164 and return properly parenthesized result.
12165 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
12166 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
12167 Remove unnecessary parentheses from uses.
12168 * doc/bison.texinfo (Location Default Action): Describe the
12169 conventions for parentheses.
12170
12171 2003-06-19 Paul Eggert <eggert@twinsun.com>
12172
12173 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
12174 yyreportTree): Do not assume that size_t is the same width as int,
12175 when printing sizes. Print sizes using an unsigned format.
12176 Problem reported by Frank Heckenbach in
12177 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
12178
12179 Port to Forte Developer 7 C compiler.
12180 * data/glr.c (struct YYLTYPE): If locations are not being used,
12181 declare a single dummy member, as empty structs do not conform
12182 to the C standard.
12183 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
12184 the Forte Developer 7 C compiler complains that end-of-loop
12185 code is not reached.
12186
12187 2003-06-17 Paul Eggert <eggert@twinsun.com>
12188
12189 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
12190 avoid warnings from picky compilers about redefinition of PARAMS.
12191
12192 2003-06-17 Paul Eggert <eggert@twinsun.com>
12193
12194 Version 1.875b.
12195
12196 * NEWS: Document 1.875b.
12197
12198 * lib/bbitset.h: Do not include config.h; that's the includer's job.
12199 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
12200 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
12201 Don't use 'index' in comments, as it's a builtin fn on some hosts.
12202 * lib/bitset_stats.c: Include gettext.h unconditionally, as
12203 per recent gettext manual's suggestion.
12204 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
12205 Use prototypes, not old-style definitions.
12206 * lib/lbitset.c (lbitset_unused_clear): Likewise.
12207 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
12208 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
12209 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
12210 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
12211 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
12212 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
12213 vbitset_or_and_cmp, vbitset_copy): Likewise.
12214
12215 * lib/libiberty.h: Do not include config.h; that's the includer's job.
12216 Do not include <stdlib.h>.
12217 (PARAMS): Define unconditionally for C89.
12218 (ATTRIBUTE_NORETURN): Remove.
12219 (ATTRIBUTE_UNUSED): Define unconditionally.
12220
12221 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
12222 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
12223 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
12224 * lib/vbitset.c, lib/vbitset.h: New files.
12225 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
12226 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
12227 from libbitset.
12228
12229 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
12230 `How Can I Reset @code{yyparse}', since texinfo does not allow
12231 arbitrary @ in node names.
12232
12233 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
12234 shouldn't be needed according to the gettext 0.12.1 documentation
12235 but which seem to be needed anyway: codeset.m4 glibc21.m4
12236 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
12237 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
12238 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
12239
12240 * lib/.cvsignore: Add stdbool.h.
12241 * m4/.cvsignore: Add nls.m4, po.m4.
12242
12243 Upgrade to CVS gnulib.
12244 * stdbool_.h: File renamed from stdbool.h.in.
12245 * configure.ac (AM_STDBOOL_H): Invoke this instead of
12246 AC_HEADER_STDBOOL.
12247 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
12248 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
12249 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
12250 (MOSTLYCLEANFILES): New var.
12251 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
12252 (stdbool.h): New rule.
12253 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
12254 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
12255 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
12256 m4/quote.m4: Upgrade to today's gnulib.
12257
12258 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
12259 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
12260 the tests right now.
12261 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
12262 yyerror are declared before use; C99 requires this.
12263
12264 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12265
12266 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
12267 first.
12268 (yyrecoverSyntaxError): Correct the logic for setting and testing
12269 yyerrState.
12270 Correct comment on handling EOF.
12271 Allow states with only a default reduction, rather than failing
12272 (I can't quite reconstruct why these were not allowed before).
12273
12274 Fixes to avoid problem that $-N rules in GLR parsers can cause
12275 buffer overruns, corrupting state.
12276
12277 * src/output.c (prepare_rules): Output max_left_semantic_context
12278 definition.
12279 * src/reader.h (max_left_semantic_context): New variable declaration.
12280 * src/scan-gram.l (max_left_semantic_context): Define.
12281 (handle_action_dollar): Update max_left_semantic_context.
12282 * data/glr.c (YYMAXLEFT): New definition.
12283 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
12284 (yyresolveAction): Ditto.
12285
12286 Fixes to problems with location handling in GLR parsers reported by
12287 Frank Heckenbach (2003/06/05).
12288
12289 * data/glr.c (YYLTYPE): Make trivial if locations not used.
12290 (YYRHSLOC): Add parentheses, and define only if locations used.
12291 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
12292 locations not used.
12293 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
12294 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
12295
12296 * tests/cxx-type.at: Exercise location information; update tests
12297 to differentiate output with and without locations.
12298 Remove forward declarations of yylex and yyerror---caused errors
12299 because default YYLTYPE not yet defined.
12300 Change semantic actions to compute strings, rather than printing
12301 them directly (to test proper passing of semantics values). Change
12302 output to prefix notation and update test data and expected results.
12303 (yylex): Track locations.
12304 (stmtMerge): Return value rather than printing, and include arguments
12305 in value.
12306
12307 2003-06-03 Paul Eggert <eggert@twinsun.com>
12308
12309 Avoid warnings generated by GCC 2.95.4 when Bison is
12310 configured with --enable-gcc-warnings.
12311 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
12312 yy::]b4_parser_class_name[::translate_,
12313 yy::Stack::operator[] (unsigned),
12314 yy::Stack::operator[] (unsigned) const,
12315 yy::Slice::operator[] (unsigned),
12316 yy::Slice::operator[] (unsigned) const):
12317 Rename local vars to avoid warnings.
12318 * tests/glr-regression.at (Improper handling of embedded actions
12319 and $-N in GLR parsers): Remove unused local variable from yylex.
12320 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
12321 (void) as arg when not pure, since we now assume C89 when building
12322 Bison. Pacify GCC by using parameter.
12323
12324 2003-06-02 Paul Eggert <eggert@twinsun.com>
12325
12326 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
12327 yy::Location::lines, yy::Location::columns): Rename arguments
12328 to avoid shadowing; this removes a warning generated by GCC 3.3.
12329
12330 2003-06-01 Paul Eggert <eggert@twinsun.com>
12331
12332 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
12333 to g++, as GCC 3.3 complains if you do it.
12334 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
12335 everything that WARNING_CFLAGS has, except omit warnings
12336 not suitable for C++.
12337 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
12338 * tests/atlocal.in (CXXFLAGS): New var.
12339 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
12340
12341 Fix a GLR parser bug I reported in February; see
12342 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
12343 The problem was that GLR parsers did not conform to the C standard,
12344 because actions like { $1 = $2 + $3; } expanded to expressions
12345 that invoked YYFILL in separate subexpressions, and YYFILL assigned
12346 to a local variable. The C standard says that expressions
12347 like (var = f ()) + (var = f ()) have undefined behavior.
12348 Another problem was that GCC sometimes issues warnings that
12349 yyfill and its parameters are unused.
12350
12351 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
12352 as possibly unused.
12353 (yyfill): New function.
12354 (YYFILL): Use it.
12355 (yyuserAction): Change type of yynormal to bool, so that it matches
12356 the new yyfill signature. Mark it as possibly unused.
12357
12358
12359 Follow up on a bug I reported in February, where a Bison-generated
12360 parser can loop. Provide a test case and a fix for yacc.c. I
12361 don't have a fix for lalr1.cc or for glr.c, unfortunately.
12362 The original bug report is in:
12363 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
12364
12365 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
12366 macro's size was becoming unwieldy.
12367 (yyerrlab): Do not discard an empty lookahead symbol, as this
12368 might destroy garbage.
12369 (yyerrorlab): New label, with the old contents of YYERROR,
12370 plus the following change: pop the stack of rhs corresponding
12371 to the production that invoked YYERROR. That is how Yacc
12372 behaves, and POSIX requires this behavior.
12373 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
12374 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
12375 Define 'alarm' to do nothing if unistd.h is not available.
12376 Add a new rule "exp: '-' error;" to test the above change to
12377 data/yacc.c. Use 'alarm' to abort any test taking longer than
12378 10 seconds, as it's probably looping.
12379 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
12380 Also, the new yacc.c generates two fewer diagnostics for an
12381 existing test.
12382
12383 2003-05-24 Paul Eggert <eggert@twinsun.com>
12384
12385 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
12386 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
12387 This fixes a problem reported by John Bowman when the Compaq/HP
12388 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
12389 -ansi -Wall -gall).
12390 * data/yacc.c (union yyalloc): Likewise.
12391 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
12392
12393 Switch from 'int' to 'bool' where that makes sense.
12394
12395 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
12396 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
12397 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
12398 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
12399 Return or accept bool, not int. All callers changed.
12400 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
12401 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
12402 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
12403 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
12404 bitset_or_and_cmp_): Likewise.
12405 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
12406 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
12407 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
12408 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
12409 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
12410 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
12411 bitset_stats_or_and_cmp): Likewise.
12412 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
12413 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
12414 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
12415 ebitset_xor_cmp): Likewise.
12416 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
12417 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
12418 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
12419 lbitset_xor_cmp): Likewise.
12420 * lib/bbitset.h: Include <stdbool.h>.
12421 (struct bitset_vtable): The following members now return bool, not
12422 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
12423 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
12424 or_and_cmp).
12425 * src/conflicts.c (count_rr_conflicts): Likewise.
12426 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
12427 All uses changed.
12428 * lib/ebitset.c (ebitset_obstack_init): Likewise.
12429 * lib/lbitset.c (lbitset_obstack_init): Likewise.
12430 * src/getargs.c (debug_flag, defines_flag, locations_flag,
12431 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
12432 graph_flag): Likewise.
12433 * src/getargs.h (debug_flag, defines_flag, locations_flag,
12434 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
12435 graph_flag): Likewise.
12436 * src/output.c (error_verbose): Likewise.
12437 * src/output.h (error_verbose): Likewise.
12438 * src/reader.c (start_flag, typed): Likewise.
12439 * src/reader.h (typed): Likewise.
12440 * src/getargs.c (LOCATIONS_OPTION): New constant.
12441 (long_options, getargs): Use it.
12442 * src/lalr.c (build_relations): Use bool, not int.
12443 * src/nullable.c (nullable_compute): Likewise.
12444 * src/print.c (print_reductions): Likewise.
12445 * src/tables.c (action_row, pack_vector): Likewise.
12446 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
12447 * src/output.c (prepare): Use it.
12448 * src/output.c (token_definitions_output,
12449 symbol_destructors_output, symbol_destructors_output): Use string,
12450 not boolean integer, to keep track of whether to output separator.
12451 * src/print_graph.c (print_core): Likewise.
12452 * src/state.c (state_rule_lookaheads_print): Likewise.
12453
12454 * config/install-sh: Sync from automake 1.7.5.
12455
12456 2003-05-14 Paul Eggert <eggert@twinsun.com>
12457
12458 * src/parse-gram.y (rules_or_grammar_declaration): Require a
12459 semicolon after a grammar declaration, in the interest of possible
12460 future changes to the Bison input language.
12461 Do not allow a stray semicolon at the start of the grammar.
12462 (rhses.1): Allow one or more semicolons after any rule, including
12463 just before "|" as required by POSIX.
12464 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
12465 grammar.
12466
12467 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
12468
12469 %parse-param support for lalr1.cc.
12470
12471 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
12472 b4_cc_constructor_calls, b4_cc_constructor_call,
12473 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
12474 definitions.
12475 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
12476 parse-param arguments.
12477 (yy::b4_parser_class_name): Declare instance variables to
12478 hold parse-param arguments.
12479 * tests/calc.at: s/value/semantic_value/ because value clashes
12480 with a member of yy::b4_parser_class_name. Adjust C++ code
12481 to handle %parse-param. Enable %parse-param test in C++.
12482
12483 2003-05-12 Paul Eggert <eggert@twinsun.com>
12484
12485 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
12486 English a bit. Fix fclose typo. Change "const char" to "char
12487 const", and use ANSI C rather than K&R for "main". Suggest
12488 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
12489 and suggest yy_switch_to_buffer.
12490
12491 2003-05-05 Paul Eggert <eggert@twinsun.com>
12492
12493 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
12494 C89. This avoids a diagnostic on compilers that define __STDC__
12495 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
12496 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
12497
12498 2003-05-03 Paul Eggert <eggert@twinsun.com>
12499
12500 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
12501 Do not overrun array bounds.
12502 This should fix a bug reported today by Olatunji Oluwabukunmi in
12503 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
12504
12505 2003-04-29 Akim Demaille <akim@epita.fr>
12506
12507 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
12508 * src/getargs.c, src/getargs.h: here, as bool, not int.
12509 (nondeterministic_parser): New.
12510 * src/parse-gram.y, src/scan-gram.l: Support
12511 %nondeterministic-parser.
12512 * src/output.c (prepare): Use nondeterministic_parser instead
12513 of glr_parser where appropriate.
12514 * src/tables.c (conflict_row, action_row, save_row)
12515 (token_actions, token_actions, pack_vector): Ditto.
12516
12517 2003-04-29 Akim Demaille <akim@epita.fr>
12518
12519 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
12520
12521 2003-04-29 Akim Demaille <akim@epita.fr>
12522
12523 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
12524 with %pure-parser and %locations to exercise the patch from Yakov
12525 Markovitch below.
12526
12527 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
12528
12529 * data/yacc.c: (b4_lex_param): Corrected for the case where
12530 %lex-param is provided and %pure-parser isn't.
12531
12532 2003-04-27 Paul Eggert <eggert@twinsun.com>
12533
12534 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
12535 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
12536 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
12537 if it is not defined.
12538 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
12539
12540 2003-04-26 Paul Eggert <eggert@twinsun.com>
12541
12542 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
12543 Declare to be of type suitable for the ninf value itself, not of
12544 type suitable for the corresponding table, since the latter might
12545 be unsigned but the ninf value might be negative. This fixes a
12546 bug reported by Alexandre Duret-Lutz in
12547 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
12548
12549 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
12550 invokes it. We shouldn't invoke it twice because it will attempt
12551 to put error.o in the archive twice. This fixes a glitch reported
12552 by Martin Mokrejs in
12553 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
12554
12555 2003-04-21 Paul Eggert <eggert@twinsun.com>
12556
12557 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
12558 to gnulib.
12559
12560 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
12561
12562 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
12563 Fix obvious typo that results in uncompilable GLR parsers
12564 when both %pure-parser and %locations are used. (trivial change)
12565
12566 2003-04-17 Paul Eggert <eggert@twinsun.com>
12567
12568 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
12569 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
12570 Do not insert the expected token via unput, as this runs afoul
12571 of a POSIX-compatibility bug in flex 2.5.31.
12572 All uses changed to BEGIN the parent state,
12573 since we no longer insert the expected token via unput.
12574 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
12575 that is no longer emitted after the above change.
12576
12577 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
12578 the first one. This change is from Paul Hilfinger, and it fixes
12579 regression reported by Werner Lemberg in
12580 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
12581
12582 (resolve_sr_conflict): Don't invoke state_errs_set
12583 unless one or more tokens have been explicitly made errors.
12584 Otherwise, the above change causes Bison to abort.
12585
12586 * tests/existing.at (GNU pic Grammar): New test case, taken from
12587 Lemberg's email.
12588
12589 2003-03-31 Akim Demaille <akim@epita.fr>
12590
12591 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
12592
12593 2003-03-31 Akim Demaille <akim@epita.fr>
12594
12595 * src/output.c (prepare_symbols): Avoid trailing spaces in the
12596 output.
12597
12598 2003-03-31 Akim Demaille <akim@epita.fr>
12599
12600 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
12601 From Paul Hilfinger.
12602
12603 2003-03-29 Akim Demaille <akim@epita.fr>
12604
12605 * m4/error.m4: Do not put under dynamic conditions some code which
12606 expansion is under static control.
12607
12608 2003-03-29 Akim Demaille <akim@epita.fr>
12609
12610 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
12611
12612 2003-03-29 Akim Demaille <akim@epita.fr>
12613
12614 * doc/bison.texinfo (Strings are Destroyed): New.
12615
12616 2003-03-13 Paul Eggert <eggert@twinsun.com>
12617
12618 * .cvsignore: Add configure.lineno.
12619 * src/.cvsignore: Add yacc.
12620 * tests/.cvsignore: Add testsuite.log.
12621 * doc/fdl.texi: Sync with latest FSF version.
12622
12623 2003-03-12 Paul Eggert <eggert@twinsun.com>
12624
12625 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
12626 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
12627 cursor, instead of leaving it undefined. This fixes a bug
12628 reported by Tim Van Holder in
12629 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
12630 * tests/input.at (Torturing the Scanner): Test the scanner on
12631 an empty input file, which was Tim Van Holder's test case.
12632
12633 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
12634 <sys/resource.h> can be included, include sys/time.h and
12635 sys/times.h first, if available. This works around the SunOS
12636 4.1.4 porting bug reported by Bruce Becker in
12637 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
12638
12639 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
12640 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
12641 AC_HEADER_SYS_WAIT.
12642
12643 Merge changes from gnulib. This was prompted because the CVS
12644 snapshot didn't build on Solaris 7 due to strnlen problems.
12645
12646 These changes need to be merged back into gnulib:
12647 * lib/hash.c: Include <stdbool.h> unconditionally.
12648 * m4/onceonly.m4 (m4_quote): New macro.
12649 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
12650 Quote AC_FOREACH variable-expansions properly.
12651 The 2003-01-03 obstack.h change also needs merging.
12652 {end of changes requiring merging}
12653
12654 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
12655 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
12656 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
12657 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
12658 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
12659 New files, imported from gnulib.
12660 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
12661 above.
12662
12663 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
12664 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
12665 gnulib sources.
12666
12667 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
12668 Add.
12669 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
12670 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
12671 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
12672 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
12673 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
12674 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
12675 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
12676 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
12677 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
12678 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
12679 (jm_PREREQ_ARGMATCH): Remove.
12680 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
12681 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
12682
12683 * src/system.h: Include <stdbool.h> unconditionally.
12684
12685 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
12686 assuming at least C89 in the bitset code for some time now.
12687
12688 2003-03-03 Akim Demaille <akim@epita.fr>
12689
12690 * ro.po: New.
12691
12692 2003-03-02 Akim Demaille <akim@epita.fr>
12693
12694 * doc/bison.texinfo (Table of Symbols): Reactivate the
12695 documentation for %lex-param, and %parse-param.
12696
12697 2003-03-02 Akim Demaille <akim@epita.fr>
12698
12699 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
12700 generate verbose error messages.
12701 Use the number of tokens as an upper bound in yytname, as it
12702 cannot be a non terminal.
12703
12704 2003-03-02 Akim Demaille <akim@epita.fr>
12705
12706 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
12707 message.
12708
12709 2003-03-02 Akim Demaille <akim@epita.fr>
12710
12711 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
12712 Use them to exercise yycheck overrun.
12713 Based on Andrew Suffield's grammar.
12714
12715 2003-03-02 Akim Demaille <akim@epita.fr>
12716
12717 Create tests/local.at for Bison generic testing macros.
12718
12719 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
12720 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
12721 This new file.
12722 * tests/calc.at (AT_CHECK_CALC): Adjust.
12723 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
12724 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
12725 * tests/local.at: here.
12726 (AT_COMPILE_CXX): Tags the tests using it as c++.
12727 Ignore the test if CXX is not functional.
12728
12729 2003-03-01 Paul Eggert <eggert@twinsun.com>
12730
12731 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
12732 not loc->end, since loc->end might contain garbage and this leads
12733 to undefined behavior on some platforms.
12734 (id_loc, token_start): Use (IF_LINTed) initial values that do not
12735 depend on *loc, so that the reader doesn't give the the false
12736 impression that *loc is initialized.
12737 (<INITIAL>"%%"): Do not bother setting code_start, since its value
12738 does not survive the return.
12739
12740 2003-03-01 Akim Demaille <akim@epita.fr>
12741
12742 * src/scan-gram.l (code_start): Always initialize it when entering
12743 into yylex, as SC_EPILOGUE is activated *before* the corresponding
12744 yylex invocation. An alternative would be making it static, but
12745 then it starts with the second %%'s beginning, instead of its end.
12746
12747 2003-02-28 Paul Eggert <eggert@twinsun.com>
12748
12749 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
12750 around a UnixWare 7.1.1 porting bug reported by John Hughes in
12751 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
12752
12753 2003-02-26 Paul Eggert <eggert@twinsun.com>
12754
12755 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
12756 Remove Sequent/Pyramid discussion (nobody uses them any more).
12757 Merge VMS and MS-DOS discussion; these ports may well be dead
12758 but let's keep mentioning them for now. Put <> around email
12759 addresses. Add copyright notice.
12760
12761 2003-02-24 Paul Eggert <eggert@twinsun.com>
12762
12763 * data/glr.c (yy_reduce_print): yylineno -> yylno,
12764 to avoid collision with flex use of yylineno.
12765 Problem reported by Bruce Lilly in
12766 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
12767 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
12768 * data/yacc.c (yy_reduce_print): Likewise.
12769
12770 * config/depcomp: Sync with Automake 1.7.3.
12771
12772 2003-02-21 Akim Demaille <akim@epita.fr>
12773
12774 * data/lalr1.cc: Use temporary variables instead of casts to
12775 change integer types.
12776 Suggested by Paul Eggert.
12777
12778 2003-02-21 Akim Demaille <akim@epita.fr>
12779
12780 * doc/bison.texinfo: Use "location" consistently to refer to @n,
12781 to avoid confusions with lalr1.cc's notion of Position.
12782 Suggested by Paul Eggert.
12783
12784 2003-02-20 Akim Demaille <akim@epita.fr>
12785
12786 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
12787 before initial_columns.
12788 (location.hh): Use consistent variable names when defining the
12789 operator<<.
12790 Use "last" so that we subtract from Positions, not from unsigned.
12791
12792 2003-02-20 Akim Demaille <akim@epita.fr>
12793
12794 * data/lalr1.cc (position.hh): New subfile, including the extended
12795 and Doxygen'ed documentation of class Position.
12796 (location.hh): Use it.
12797 Document a` la Doxygen.
12798 With the help of Benoit Perrot.
12799
12800 2003-02-20 Akim Demaille <akim@epita.fr>
12801
12802 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
12803 AT_YACC_IF.
12804 Redefine AT_YYERROR_SEES_LOC_IF using it.
12805 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
12806 not defined.
12807 Don't use the location in yy::Parser::error_ and
12808 yy::Parser::print_ when not %locations.
12809 Activate more lalr1.cc tests.
12810
12811 2003-02-19 Akim Demaille <akim@epita.fr>
12812
12813 * data/lalr1.cc: When displaying a line number, be sure to make it
12814 an int.
12815
12816 2003-02-19 Akim Demaille <akim@epita.fr>
12817
12818 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
12819 Remove, useless.
12820 (YYABORT, YYACCEPT, YYERROR): New.
12821 * tests/calc.at: Renable the lalr1.cc test.
12822
12823 2003-02-19 Akim Demaille <akim@epita.fr>
12824
12825 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
12826 error recovery, mixing with/without pops and discarding of the
12827 lookahead.
12828 Exercise YYERROR.
12829 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
12830
12831 2003-02-17 Paul Eggert <eggert@twinsun.com>
12832
12833 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
12834 * tests/testsuite.at (AT_COMPILE): Use them.
12835 This fixes the testsuite problem reported by Robert Lentz in
12836 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
12837
12838 2003-02-12 Paul Eggert <eggert@twinsun.com>
12839
12840 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
12841 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
12842 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
12843 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
12844 Check for malloc failure, for consistency with yacc.c.
12845 (yytname_size): Remove, for consistency with yacc.c.
12846
12847 The bug still remains in data/lalr1.cc, as I didn't have time
12848 to fix it there.
12849
12850 2003-02-06 Akim Demaille <akim@epita.fr>
12851
12852 * configure.ac (GXX): Rename as...
12853 (CXX): this, to keep the original Autoconf semantics.
12854 Require 2.57.
12855 * data/lalr1.cc: Fix b4_copyright invocations.
12856 If YYDEBUG is not defined, don't depend upon name_ being defined.
12857 (location.hh): Include string and iostream.
12858 (Position::filename): New member.
12859 (Position::Position ()): New.
12860 (operator<< (Position)): New.
12861 (operator- (Position, int)): New.
12862 (Location::first, Location::last): Rename as...
12863 (Location::begin, Location::end): these, to mock the conventional
12864 iterator names.
12865 (operator<< (Location)): New.
12866 * tests/atlocal.in (CXX): New.
12867 * tests/testsuite.at (AT_COMPILE_CXX): New.
12868 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
12869 locations in a more synthetic way.
12870 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
12871 lalr1.cc is used.
12872 Adjust the C locations to match those from Emacs: first column is
12873 column 0.
12874 Change all the expected results.
12875 Conform to the GCS: simplify the locations when applicable.
12876 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
12877 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
12878 these CPP macros with the m4 macros new defined by...
12879 (AT_CHECK_PUSHDEFS): this, i.e.:
12880 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
12881 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
12882 New macros.
12883 (AT_CHECK_POPDEFS): Undefine them.
12884 (AT_CHECK_CALC_LALR1_CC): New.
12885 Use it for the first lalr1.cc test.
12886
12887 2003-02-04 Akim Demaille <akim@epita.fr>
12888
12889 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
12890 Location as is defined.
12891
12892 2003-02-04 Akim Demaille <akim@epita.fr>
12893
12894 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
12895 name_ being defined.
12896
12897 2003-02-03 Paul Eggert <eggert@twinsun.com>
12898
12899 * src/gram.h (start_symbol): Remove unused decl.
12900
12901 Use more-consistent naming conventions for local vars.
12902
12903 * src/derives.c (derives_compute): Change type of local var from
12904 int to rule_number.
12905 * src/gram.c (grammar_rules_partial_print): Likewise.
12906 * src/print.c (print_core): Likewise.
12907 * src/reduce.c (reduce_grammar_tables): Likewise.
12908
12909 * src/gram.c (grammar_dump): Change name of item_number *
12910 local var from r to rp.
12911 * src/nullable.c (nullable_compute): Likewise.
12912
12913 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
12914
12915 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
12916 for symbol or symbol_number var.
12917 * src/reader.c (grammar_start_symbol_set): Likewise.
12918 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
12919 Likewise.
12920 * src/state.c (transitions_to): Likewise.
12921 * src/state.h: Likewise.
12922 * src/tables.c (symbol_number_to_vector_number): Likewise.
12923
12924 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
12925 char * var.
12926
12927 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
12928 var.
12929
12930 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
12931 var.
12932
12933 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
12934 Use str, not s, for char * var. Use ch, not c, for character var.
12935 Use size for size var.
12936
12937 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
12938 char * var.
12939 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
12940 uniqstr var.
12941 * src/uniqstr.h: Likewise.
12942
12943 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12944 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12945 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
12946 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
12947 param to have same name as that of enum, so that we don't use
12948 "s" to stand for a non-state.
12949
12950 2003-02-02 Akim Demaille <akim@epita.fr>
12951
12952 * src/scan-skel.l: Scan more than one inert character per yylex
12953 invocation.
12954
12955 2003-02-01 Paul Eggert <eggert@twinsun.com>
12956
12957 Version 1.875a.
12958
12959 * po/LINGUAS: Add ms.
12960
12961 2003-01-30 Akim Demaille <akim@epita.fr>
12962
12963 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
12964
12965 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12966
12967 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
12968 of $1.
12969
12970 Changes in response to error report by S. Eken: GLR mode does not
12971 handle negative $ indices or $ indices in embedded rules correctly.
12972 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
12973
12974 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
12975 (b4_rhs_location): Ditto.
12976 (yyfill): New function to copy from stack tree into array
12977 incrementally.
12978 (yyuserAction): Modify to allow incremental move of semantic values
12979 to rhs array when in GLR mode.
12980 Define YYFILL to use in user-defined actions to fill semantic array
12981 as needed.
12982 Remove dummy use of yystack, as there is now a guaranteed use.
12983 (yydoAction): Modify to allow incremental move of semantic values
12984 to rhs array when in GLR mode.
12985 (yyresolveAction): Ditto.
12986 (yyglrShiftDefer): Update comment.
12987 (yyresolveStates): Use X == NULL for pointers, not !X.
12988 (yyglrReduce): Ditto.
12989 (yydoAction): Ditto
12990
12991 * tests/glr-regr1.at: Rename to ...
12992 * tests/glr-regression.at: Add new regression test for the problems
12993 described above (adapted from S. Eken).
12994 Update copyright notice.
12995 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
12996 * tests/Makefile.am: Ditto.
12997
12998 2003-01-28 Paul Eggert <eggert@twinsun.com>
12999
13000 * data/lalr1.cc: Do not use @output_header_name@ unless
13001 b4_defines_flag is set. This fixes two bugs reported by
13002 Tim Van Holder in
13003 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
13004 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
13005
13006 2003-01-21 Paul Eggert <eggert@twinsun.com>
13007
13008 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
13009 we don't need to worry about yyerrlab1 being reported as an
13010 "unused label" by non-GCC C compilers. The downside is that if
13011 locations are used then a couple of statements are duplicated each
13012 time YYERROR is invoked, but the upside is that the warnings
13013 should vanish.
13014 (yyerrlab1): Move code to YERROR.
13015 (yyerrlab2): Remove. Change uses back to yyerrlab1.
13016 This reverts some of the 2002-12-27 change.
13017
13018 2003-01-17 Paul Eggert <eggert@twinsun.com>
13019
13020 * src/output.c (symbol_printers_output): Fix typo that led
13021 to core dump. Problem reported by Antonio Rus in
13022 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
13023
13024 2003-01-13 Akim Demaille <akim@epita.fr>,
13025 Quoc Peyrot <chojin@lrde.epita.fr>,
13026 Robert Anisko <anisko_r@lrde.epita.fr>
13027
13028 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
13029 when the stacks contain one element, as the loop would otherwise
13030 free the last state, and then use the top state (the one we just
13031 popped). This means that the initial elements will not be freed
13032 explicitly, as is the case in yacc.c; it is not a problem, as
13033 these elements have fake values.
13034
13035 2003-01-11 Paul Eggert <eggert@twinsun.com>
13036
13037 * NEWS: %expect-violations are now just warnings, reverting
13038 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
13039 bootstrapping problem reported by Matthias Klose; see
13040 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
13041 * src/conflicts.c (conflicts_print): Likewise.
13042 * tests/conflicts.at (%expect not enough, %expect too much,
13043 %expect with reduce conflicts): Likewise.
13044 * doc/bison.texinfo (Expect Decl): Document this. Also mention
13045 that the warning is enabled if the number of conflicts changes
13046 (not necessarily increases).
13047
13048 * src/getargs.c (version): Update copyright year.
13049
13050 2003-01-09 Akim Demaille <akim@epita.fr>
13051
13052 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
13053
13054 2003-01-08 Paul Eggert <eggert@twinsun.com>
13055
13056 * Makefile.maint (WGETFLAGS):
13057 New macro, containing "-C off" to disable proxy caches.
13058 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
13059 (rel-check): Use $(WGET) instead of wget.
13060
13061 2003-01-06 Paul Eggert <eggert@twinsun.com>
13062
13063 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
13064 the GLR paper of Scott, Johnstone and Hussain.
13065
13066 2003-01-04 Paul Eggert <eggert@twinsun.com>
13067
13068 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
13069 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
13070 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
13071 (EXTRA_LIBRARIES): New var, for liby.a.
13072 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
13073 (EXTRA_SCRIPTS): New var, for yacc.
13074
13075 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
13076 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
13077 Problem reported by Nelson H. F. Beebe.
13078
13079 2003-01-03 Paul Eggert <eggert@twinsun.com>
13080
13081 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
13082 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
13083 when compiling Bison 1.875's `bitset bset = obstack_alloc
13084 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
13085
13086 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
13087 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
13088 grow to a huge size with typical invocation.
13089
13090 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
13091 Use the pattern recommended by Autoconf 2.57, except also protect
13092 against double-definition.
13093 * src/system.h: Likewise.
13094 Portability issues reported by Nelson H. F. Beebe.
13095
13096 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
13097 All uses changed. Provide a definition in both C and C++.
13098 (yytrue, yyfalse): Define even if defined (__cplusplus).
13099
13100 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
13101 Reported by Nelson H. F. Beebe.
13102
13103 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
13104
13105 2003-01-02 Paul Eggert <eggert@twinsun.com>
13106
13107 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
13108 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
13109 Bug reported by Nelson H. F. Beebe.
13110
13111 2003-01-01 Paul Eggert <eggert@twinsun.com>
13112
13113 * Version 1.875.
13114
13115 2002-12-30 Paul Eggert <eggert@twinsun.com>
13116
13117 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
13118 Moved here from...
13119 (<INITIAL>","): Here. This causes stray "," to be treated
13120 more uniformly.
13121
13122 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
13123 last brace in braced code when not in Yacc mode, for compatibility
13124 with Bison 1.35. This resurrects the 2001-12-15 patch to
13125 src/reader.c.
13126
13127 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
13128 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
13129
13130 2002-12-28 Paul Eggert <eggert@twinsun.com>
13131
13132 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
13133 that of SYM's type. This fixes Debian bug 168069, reported by
13134 Thomas Olsson.
13135
13136 2002-12-28 Paul Eggert <eggert@twinsun.com>
13137
13138 Version 1.75f.
13139
13140 Switch back to the Yacc style of conflict reports, undoing some
13141 of the 2002-07-30 change.
13142 * doc/bison.texinfo (Understanding): Use Yacc style for
13143 conflict reports. Also, use new way of locating rules.
13144 * src/conflicts.c (conflict_report):
13145 Renamed from conflict_report_yacc, removing the old
13146 'conflict_report'. Translate the entire conflict report at once,
13147 so that we don't assume that "," has the same interpretation in
13148 all languages.
13149 (conflicts_output): Use Yacc-style conflict report for each state,
13150 instead of our more-complicated style.
13151 (conflicts_print): Use Yacc-style conflict report, except print
13152 the input file name when not emulating Yacc.
13153 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
13154 Conflicted Reduction, %expect not enough, %expect too much,
13155 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
13156 * tests/existing.at (GNU Cim Grammar): Likewise.
13157 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
13158
13159 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
13160 fatal): Don't invoke fflush; it's not needed and it might even be
13161 harmful for stdout, as stdout might not be open.
13162 * src/reduce.c (reduce_print): Likewise.
13163
13164 2002-12-27 Paul Eggert <eggert@twinsun.com>
13165
13166 Fix a bug where error locations were not being recorded correctly.
13167 This problem was originally reported by Paul Hilfinger in
13168 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
13169
13170 * data/yacc.c (yyparse): New local var yylerrsp, to record the
13171 top of the location stack's error locations.
13172 (yyerrlab): Set it. When discarding a token, push its location
13173 onto yylerrsp so that we don't lose track of the error's end.
13174 (yyerrlab1): Now is only the target of YYERROR, so that we can
13175 properly record the location of the action that failed. For GCC
13176 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
13177 GCC warning about yyerrlab1 being unused if YYERROR is unused.
13178 (yyerrlab2): New label, which yyerrlab now falls through to.
13179 Compute the error's location by applying YYLLOC_DEFAULT to
13180 the locations of all the symbols that went into the error.
13181 * doc/bison.texinfo (Location Default Action): Mention that
13182 YYLLOC_DEFAULT is also invoked for syntax errors.
13183 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
13184 Error locations include the locations of all the tokens that were
13185 discarded, not just the last token.
13186
13187 2002-12-26 Paul Eggert <eggert@twinsun.com>
13188
13189 * src/files.c: Include quote.h.
13190 (compute_output_file_names): Warn if we detect conflicting
13191 outputs to the same file. This should catch the misunderstanding
13192 exemplified by Debian Bug 165349, reported by Bruce Stephens..
13193
13194 * src/conflicts.c (conflicts_print): If the user specifies
13195 "%expect N", report an error if there are any reduce/reduce
13196 conflicts. This is what the manual says should happen.
13197 This fixes Debian bug 130890, reported by Anthony DeRobertis.
13198 * tests/conflicts.at (%expect with reduce conflicts): New test.
13199
13200 Don't use m4_include on relative file names, as it doesn't work as
13201 desired if there happens to be a file with that name under ".".
13202
13203 * m4sugar/version.m4: Remove; it was included but it wasn't used.
13204 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
13205 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
13206 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
13207 * src/output.c (output_skeleton): Use full path names when
13208 specifying a file to include; don't rely on include path, as
13209 it's unreliable when the working file contains a file with
13210 that name.
13211
13212 2002-12-25 Paul Eggert <eggert@twinsun.com>
13213
13214 Remove obsolete references to bison.simple and bison.hairy.
13215 Problem mentioned by Aubin Mahe in
13216 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
13217 * data/glr.c: Comment fix.
13218 * doc/bison.1: Remove references. Also, mention "yacc".
13219
13220 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
13221 with -g option.
13222
13223 * src/parse-gram.y (declaration): Use enum "report_states" rather
13224 than its numeric value 1.
13225
13226 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
13227 opening a new one. This fixes Debian bug 165349, reported by
13228 Bruce Stephens.
13229
13230 2002-12-24 Paul Eggert <eggert@twinsun.com>
13231
13232 Version 1.75e.
13233
13234 * Makefile.maint (cvs-update): Don't assume that the shell
13235 supports $(...), as Solaris sh doesn't.
13236
13237 * src/parse-gram.y (lloc_default): Remove test for empty
13238 nonterminals at the end, since it didn't change the result.
13239
13240 2002-12-24 Paul Eggert <eggert@twinsun.com>
13241
13242 If the user does not define YYSTYPE as a macro, Bison now declares it
13243 using typedef instead of defining it as a macro. POSIX requires this.
13244 For consistency, YYLTYPE is also declared instead of defined.
13245
13246 %union directives can now have a tag before the `{', e.g., the
13247 directive `%union foo {...}' now generates the C code
13248 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
13249 The default union tag is `YYSTYPE', for compatibility with Solaris 9
13250 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
13251 instead of `yyltype'.
13252
13253 `yystype' and `yyltype' are now obsolescent macros instead of being
13254 typedefs or tags; they are no longer documented and will be
13255 withdrawn in a future release.
13256
13257 * data/glr.c (b4_location_type): Remove.
13258 (YYSTYPE): Renamed from yystype.
13259 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
13260 (struct YYLTYPE): Renamed from struct yyltype.
13261 (YYLTYPE): Renamed from yyltype.
13262 (yyltype, yystype): New (and obsolescent) macros,
13263 for backward compatibility.
13264 * data/yacc.c: Likewise.
13265
13266 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
13267 does not specify a union tag. This is for compatibility with
13268 Solaris 9 yacc.
13269
13270 * src/parse-gram.y (add_param): 2nd arg is now char * not char
13271 const *, since it is now modified by stripping surrounding { }.
13272 (current_braced_code): Remove.
13273 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
13274 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
13275 trailing " {...}". Now of type <chars>.
13276 (grammar_declaration): Adjust to bundled tokens.
13277 (code_content): Remove; stripping is now done by add_param.
13278 (print_token_value): Print contents of bundled tokens.
13279 (token_name): New function.
13280
13281 * src/reader.h (braced_code, current_braced_code): Remove.
13282 (token_name): New decl.
13283
13284 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
13285 token_type, not braced_code code_kind. All uses changed.
13286 (SC_PRE_CODE): New state, for scanning after a keyword that
13287 has (or usually has) an immediately-following braced code.
13288 (token_type): New local var, to keep track of which token type
13289 to return when scanning braced code.
13290 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
13291 <INITIAL>"%parse-param", <INITIAL>"%printer",
13292 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
13293 instead of returning a token type immediately.
13294 (<INITIAL>"{"): Set token type.
13295 (<SC_BRACED_CODE>"}"): Use it.
13296 (handle_action_dollar, handle_action_at): Now returns bool
13297 indicating success. Fail if ! current_rule; this prevents a core dump.
13298 (handle_symbol_code_dollar, handle_symbol_code_at):
13299 Remove; merge body into caller.
13300 (handle_dollar, handle_at): Complain in invalid contexts.
13301
13302 * NEWS, doc/bison.texinfo: Document the above.
13303 * NEWS: Fix years and program names in copyright notice.
13304
13305 2002-12-17 Paul Eggert <eggert@twinsun.com>
13306
13307 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
13308 Reporting, Table of Symbols): Omit mentions of %lex-param and
13309 %parse-param from the documentation for now.
13310
13311 2002-12-15 Paul Eggert <eggert@twinsun.com>
13312
13313 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
13314 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
13315 lookahead symbol, and which sets yychar in parser actions) and it
13316 disagreed with the Bison documentation. Bug
13317 reported by Andrew Walrond.
13318
13319 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
13320 as the caller now does that.
13321 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
13322 (YYEMPTY): Parenthesize right hand side, since others use it.
13323 (yyparse): Don't assume that our generated code is the only code
13324 that sets yychar.
13325
13326 2002-12-13 Paul Eggert <eggert@twinsun.com>
13327
13328 Version 1.75d.
13329
13330 POSIX requires a "yacc" command.
13331 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
13332 (MOSTLYCLEANFILES): Add yacc.
13333 (yacc): New rule.
13334 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
13335 as an alias for bison y.
13336
13337 * po/LINGUAS: Add da.
13338
13339 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
13340 problem with latest <getopt.h>.
13341 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
13342
13343 * doc/fdl.texi: Upgrade to 1.2.
13344 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
13345 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
13346 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
13347 gnulib.
13348 * config/install-sh: Sync with autotools.
13349
13350 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
13351 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13352 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
13353 locations are requested.
13354 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
13355 locations are requested.
13356
13357 2002-12-12 Paul Eggert <eggert@twinsun.com>
13358
13359 Remove unportable casts and storage allocation tricks.
13360 While we're at it, remove almost all casts, since they
13361 usually aren't needed and are a sign of trouble.
13362
13363 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
13364
13365 * src/derives.c (derives_compute): Do not subtract NTOKENS from
13366 the pointer DSET returned by malloc; this isn't portable.
13367 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
13368 Similarly for DERIVES.
13369 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
13370 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
13371 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
13372
13373 * src/derives.c (derives_compute): Do not bother invoking
13374 int_of_rule_number, since rule numbers are integers.
13375
13376 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
13377 rather than XMALLOC (char, N).
13378
13379 * src/files.c (filename_split): Rewrite to avoid cast.
13380
13381 * src/gram.h (symbol_number_as_item_number,
13382 item_number_as_symbol_number, rule_number_as_item_number,
13383 item_number_as_rule_number):
13384 Now inline functions rather than macros, to avoid casts.
13385 * src/state.h (state_number_as_int): Likewise.
13386 * src/tables.c (state_number_to_vector_number,
13387 symbol_number_to_vector_number): Likewise.
13388
13389 * src/gram.h (int_of_rule_number): Remove; no longer used.
13390
13391 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
13392 since the resulting storage is always stored into.
13393
13394 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
13395 where it's needed.
13396
13397 * src/muscle_tab.c (muscle_m4_output):
13398 Now inline. Return bool, not int.
13399 * src/state.c (state_compare): Likewise.
13400 * src/symtab.c (symbol_check_defined,
13401 symbol_check_alias_consistency, symbol_pack, symbol_translation,
13402 hash_compare_symbol, hash_symbol):
13403 Likewise.
13404 * src/uniqstr.c (uniqstr_print): Likewise.
13405 * src/muscle_tab.c (muscle_m4_output_processor):
13406 New function, to avoid casts.
13407 * src/state.c (state_comparator, stage_hasher): Likewise.
13408 * src/symtab.c (symbol_check_defined_processor,
13409 symbol_check_alias_consistency_processor, symbol_pack_processor,
13410 symbol_translation_processor, hash_symbol_comparator,
13411 hash_symbol_hasher): Likewise.
13412 * src/uniqstr.c (uniqstr_print_processor): Likewise.
13413 * src/muscle_tab.c (muscles_m4_output):
13414 Use new functions instead of casting old functions unportably.
13415 * src/state.c (state_hash_new): Likewise.
13416 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
13417 symbols_token_translations_init):
13418 Likewise.
13419 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
13420
13421 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
13422 var instead of casting to long, to avoid casts.
13423 (prepare_states): Use MALLOC rather than alloca, so that we don't
13424 have to worry about alloca.
13425 * src/state.c (state_hash_lookup): Likewise.
13426
13427 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
13428 local var instead of casting to unsigned char, to avoid casts.
13429
13430 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
13431 STATE_ALLOC): Remove.
13432 (transitions_new, errs_new, reductions_new, state_new): Use malloc
13433 rather than calloc, and use offsetof to avoid allocating slightly
13434 too much storage.
13435 (state_new): Initialize all members.
13436
13437 * src/state.c (state_hash): Use unsigned accumulator, not signed.
13438
13439 * src/symtab.c (symbol_free): Remove; unused.
13440 (symbol_get): Remove cast in lhs of assignment.
13441 (symbols_do): Now static. Accept generic arguments, not
13442 hashing-related ones.
13443
13444 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
13445 (symbol_processor): Remove.
13446 (symbols_do): Remove decl; now static.
13447
13448 * src/system.h (alloca): Remove; decl no longer needed.
13449 (<stddef.h>): Include, for offsetof.
13450 (<inttypes.>, <stdint.h>): Include if available.
13451 (uintptr_t): New type, if system lacks it.
13452 (CALLOC, MALLOC, REALLOC): New macros.
13453 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
13454 new macros.
13455
13456 * src/tables.c (table_size): Now int, to pacify GCC.
13457 (table_grow, table_ninf_remap): Use signed table size.
13458 (save_row): Don't bother initializing locals when not needed.
13459 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
13460 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
13461
13462 * src/vcg.h: Correct misspellings.
13463
13464 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
13465
13466
13467 * src/getargs.c (getargs): Don't assume EOF == -1.
13468
13469 2002-12-09 Paul Eggert <eggert@twinsun.com>
13470
13471 Change identifier spellings to avoid collisions with names
13472 that are reserved by POSIX.
13473
13474 Don't use names ending in _t, since POSIX reserves them.
13475 For consistency, remove _e and _s endings -- they're weren't
13476 needed to remove ambiguity. All uses changed.
13477 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
13478 turn was just renamed from struniq_t.
13479 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
13480 which in turn was just renamed from struniq_processor_t.
13481 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
13482 in turn was renamed from hash_compare_struniq_t.
13483 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
13484 (state_list): Renamed from state_list_t.
13485 * src/assoc.h (assoc): Renamed from assoc_t.
13486 * src/conflicts.c (enum conflict_resolution): Renamed from
13487 enum conflict_resolution_e.
13488 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
13489 (rule_list): Renamed from rule_list_t.
13490 * src/getargs.h (enum trace): Renamed from enum trace_e.
13491 (enum report): Renamed from enum report_e.
13492 * src/gram.h (item_number): Renamed from item_number_t.
13493 (rule_number): Renamed from rule_number_t.
13494 (struct rule_s): Remove the "rule_s" part; not used.
13495 (rule): Renamed from rule_t.
13496 (rule_filter): Renamed from rule_filter_t.
13497 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
13498 (goto_list): Renamed from goto_list_t.
13499 * src/lalr.h (goto_number): Renamed from goto_number_t.
13500 * src/location.h (location): Renamed from location_t.
13501 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
13502 and moved here from:
13503 * src/muscle_tab.h (muscle_entry_t): here.
13504 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
13505 (rule_list): Renamed from rule_list_t.
13506 * src/print_graph.c (static_graph): Renamed from graph.
13507 * src/reader.h (braced_code): Renamed from braced_code_t.
13508 Remove brace_code_e tag.
13509 * src/relation.h (relation_node): Renamed from relation_node_t.
13510 (relation_nodes): Renamed from relation_nodes_t.
13511 (relation): Renamed from relation_t.
13512 * src/state.h (state_number): Renamed from state_number_t.
13513 (struct state): Renamed from struct state_s.
13514 (state): Renamed from state_t.
13515 (transitions): Renamed from transitions_t. Unused (and
13516 misspelled) transtion_s tag removed.
13517 (errs): Renamed from errs_t. Unused errs_s tag removed.
13518 (reductions): Renamed from reductions_t. Unused tag
13519 reductions_s removed.
13520 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
13521 (struct symbol_list): Renamed from struct symbol_list_s.
13522 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
13523 (struct symbol): Renamed from struct symbol_s.
13524 (symbol): Renamed from symbol_t.
13525 * src/tables.c (vector_number): Renamed from vector_number_t.
13526 (action_number): Renamed from action_t.
13527 * src/tables.h (base_number): Renamed from base_t.
13528 * src/vcg.h (enum color): Renamed from enum color_e.
13529 (enum textmode): Renamed from enum textmode_e.
13530 (enum shape): Renamed from enum shape_e.
13531 (struct colorentry): Renamed from struct colorentry_s.
13532 (struct classname): Renamed from struct classname_s.
13533 (struct infoname): Renamed from struct infoname_s.
13534 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
13535 (enum decision): Renamed from enum decision_e.
13536 (enum orientation): Renamed from enum orientation_e.
13537 (enum alignment): Renamed from enum alignment_e.
13538 (enum arrow_mode): Renamed from enum arrow_mode_e.
13539 (enum crossing_type): Renamed from enum crossing_type_e.
13540 (enum view): Renamed from enum view_e.
13541 (struct node): Renamed from struct node_s.
13542 (node): Renamed from node_t.
13543 (enum linestyle): Renamed from enum linestyle_e.
13544 (enum arrowstyle): Renamed from enum arrowstyle_e.
13545 (struct edge): Renamed from struct edge.
13546 (edge): Renamed from edge_t.
13547 (struct graph): Renamed from struct graph_s.
13548 (graph): Renamed from graph_t.
13549 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
13550 Rename value_t -> value.
13551 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
13552 value_t_as_yystype -> value_as_yystype.
13553
13554 Don't include <errno.h> in the mainstream code, since it
13555 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
13556 * lib/get-errno.c, lib/get-errno.h: New files.
13557 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
13558 get-errno.c.
13559 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
13560 * src/output.c (output_skeleton): Likewise.
13561 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
13562 instead of errno.
13563 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
13564 Likewise.
13565 (handle_action_dollar, handle_action_at): Likewise.
13566 * src/system.h: Do not include <errno.h>.
13567 (TAB_EXT): Renamed from EXT_TAB.
13568 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
13569
13570 Avoid str[a-z]*, since <string.h> reserves that name space.
13571 Change all instances of "struniq" in names to "uniqstr", and
13572 likewise for "STRUNIQ" and "UNIQSTR".
13573 * src/uniqstr.c: Renamed from src/struniq.c.
13574 * src/uniqstr.h: Renamed from src/struniq.h.
13575 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
13576 * src/files.c (strsuffix): Remove; unused.
13577 (concat2): Renamed from stringappend. Now static.
13578 * src/files.h (strsuffix, stringappend): Remove; unused.
13579 * src/parse-gram.y (<chars>): Renamed from <string>.
13580 (<uniqstr>): Renamed from <struniq>.
13581 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
13582 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
13583 (struct graph_s.expand): Renamed from struct graph_s.stretch.
13584 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
13585 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
13586 (N_EXPAND): Renamed from N_STRETCH.
13587
13588 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
13589 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
13590 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
13591 Remove; unused.
13592 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
13593 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
13594 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
13595 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
13596 (BASE_MAXIMUM): Renamed from BASE_MAX.
13597 (BASE_MINIMUM): Renamed from BASE_MIN.
13598 (ACTION_MAX): Remove; unused.
13599 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
13600 Unnecessary casts removed from above defines.
13601
13602
13603 Fix misspelling in names.
13604 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
13605 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
13606 G_NODE_ALIGNEMENT.
13607
13608
13609 * lib/timevar.c (timevar_report): Renamed from time_report,
13610 for consistency with other names.
13611 * lib/timevar.h (timevar_report): New decl.
13612 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
13613
13614
13615 Sort include-file uses.
13616
13617 Reorder all include files under src to be in the order "system.h".
13618 then the ../lib include files in angle brackets (alphabetized),
13619 then the . include files in double-quotes (alphabetized). Fix
13620 dependency breakages encountered in this process, as follows:
13621 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
13622 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
13623 * src/state.h: Include "symtab.h".
13624
13625 2002-12-08 Paul Eggert <eggert@twinsun.com>
13626
13627 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
13628 since this causes problems when __file__ contains character
13629 sequences like "@" that are treated specially by src/scan-skel.l.
13630 Instead, just use the file's basename. This fixes the bug
13631 reported by Martin Mokrejs in
13632 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
13633
13634 2002-12-06 Paul Eggert <eggert@twinsun.com>
13635
13636 Add support for rules that do not have trailing semicolons, as
13637 POSIX requires. Improve the quality of locations in Bison
13638 diagnostics.
13639
13640 * src/location.c: Include <quotearg.h>.
13641 (empty_location): Now const.
13642 (location_print): New function. Follow the recommendation of the
13643 GNU Coding Standards for locations that span file boundaries.
13644 * src/location.h: Do not include <quotearg.h>; no longer needed.
13645 (boundary): New type.
13646 (location_t): Use it. This allows locations to span file boundaries.
13647 All member uses changed: file -> start.file or end.file (as needed),
13648 first_line -> start.line, first_column -> start.column,
13649 last_line -> end.line, last_column -> end.column.
13650 (equal_boundaries): New function.
13651 (LOCATION_RESET, LOCATION_STEP): Remove.
13652 (LOCATION_PRINT): Remove. All callers changed to use location_print.
13653 (empty_location): Now const.
13654 (location_print): New decl.
13655 * src/parse-gram.y (lloc_default): New function, which handles
13656 empty locations more accurately.
13657 (YYLLOC_DEFAULT): Use it.
13658 (%token COLON): Remove.
13659 (%token ID_COLON): New token.
13660 (rules): Use it.
13661 (declarations, rules): Remove trailing semicolon.
13662 (declaration, rules_or_grammar_declaration):
13663 Allow empty (";") declaration.
13664 (symbol_def): Remove empty actions; no longer needed.
13665 (rules_or_grammar_declaration): Remove trailing semicolon.
13666 (semi_colon.opt): Remove.
13667 * src/reader.h: Include location.h.
13668 (scanner_cursor): New decl.
13669 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
13670 rolling our own.
13671 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
13672 of *loc.
13673 (STEP): Remove. No longer needed, now that adjust_location does
13674 the work. All uses removed.
13675 (scanner_cursor): New var.
13676 (adjust_location): Renamed from extend_location. It now sets
13677 *loc and adjusts the scanner cursor. All uses changed.
13678 Don't bother testing for CR.
13679 (handle_syncline): Remove location arg; now updates scanner cursor.
13680 All callers changed.
13681 (unexpected_end_of_file): Now accepts start boundary of token or
13682 comment, not location. All callers changed. Update scanner cursor,
13683 not the location.
13684 (SC_AFTER_IDENTIFIER): New state.
13685 (context_state): Renamed from c_context. All uses changed.
13686 (id_loc, code_start, token_start): New local vars.
13687 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
13688 processing of Yacc white space and equivalents here.
13689 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
13690 instead of returning ID immediately, since we need to search for
13691 a subsequent colon.
13692 (<INITIAL>"'", "\""): Save token_start.
13693 (<INITIAL>"%{", "{", "%%"): Save code_start.
13694 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
13695 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
13696 BEGIN context_state at end, not INITIAL.
13697 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
13698 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
13699 Return correct token start.
13700 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
13701 the start of a character, string or multiline comment is found.
13702 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
13703 Reduction): Adjust reported locations to match the more-precise
13704 results now expected.
13705 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
13706 * tests/reduce.at (Useless Rules, Reduced Automaton,
13707 Underivable Rules): Likewise.
13708 * tests/regression.at (Invalid inputs): No longer `expecting ";"
13709 or "|"' now that so many other tokens are allowed by the new grammar.
13710
13711 * src/complain.h (current_file): Remove duplicate decl;
13712 current_file is now owned by files.h.
13713 * src/complain.c, src/scan-gram.l: Include files.h.
13714
13715 2002-12-06 Paul Eggert <eggert@twinsun.com>
13716
13717 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
13718 promotes to int; it might be unsigned int.
13719 * data/yacc.c (yy_reduce_print): Likewise.
13720
13721 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
13722 be #defined in the prologue, not in the Bison declarations.
13723 This fixes Debian Bug 102878, reported by Shaul Karl.
13724
13725 2002-12-02 Paul Eggert <eggert@twinsun.com>
13726
13727 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
13728 * lib/strtoul.c: New file, from gnulib.
13729 This fixes a porting bug reported by Peter Klein in
13730 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
13731
13732 2002-11-30 Paul Eggert <eggert@twinsun.com>
13733
13734 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
13735 and put only a forward declaration in the prologue. This is for
13736 consistency with the other scanner helper functions.
13737
13738 Type clashes now generate warnings, not errors, since it
13739 appears that POSIX may allow some grammars with type clashes.
13740 * src/reader.c (grammar_current_rule_check): Warn about
13741 type clashes instead of complaining.
13742 * tests/input.at (Type Clashes): Expect warnings, not complaints.
13743
13744 Add Yacc library, since POSIX requires it.
13745 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
13746 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
13747 * lib/main.c, lib/yyerror.c: New files.
13748
13749 gram_error can be static; it need not be extern.
13750 * src/reader.h (gram_error): Remove decl.
13751 * src/parse-gram.y (gram_error): Now static. Add static decl.
13752 (print_token_value): Omit parameter names from forward decl,
13753 for consistency.
13754
13755 2002-11-29 Paul Eggert <eggert@twinsun.com>
13756
13757 * doc/bison.texinfo: Emphasize that yylex and yyerror must
13758 be declared before being used. E.g., one should typically
13759 declare them in the prologue. Use GNU coding style in examples.
13760 Put "const" consistently after the type it modifies. Mention
13761 that C99 supports "inline". Mention that yyerror traditionally
13762 returns "int".
13763
13764 %parse-param and %lex-param now take just one argument, the
13765 declaration; the argument name is deduced from the declaration.
13766
13767 * doc/bison.texinfo (Parser Function, Pure Calling, Error
13768 Reporting, Table of Symbols): Document this.
13769 * src/parse-gram.y (add_param): New function.
13770 (COMMA): Remove.
13771 (declaration): Implement new rule for %parse-param and %lex-param.
13772 * src/scan-gram.l: "," now elicits a warning, rather than being
13773 a token; this is more compatible with byacc.
13774 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
13775
13776 2002-11-27 Paul Eggert <eggert@twinsun.com>
13777
13778 Rename identifiers to avoid real and potential collisions.
13779
13780 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
13781 to avoid collision with lex macro described by Bruce Lilly in
13782 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13783 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
13784 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
13785 * src/parse-gram.y (print_token_value): Renamed from yyprint.
13786 All uses changed.
13787 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
13788 The name "yycontrol" violates the name space rules, and this stuff
13789 wasn't being used anyway.
13790 (input): Remove action; this stuff wasn't being used.
13791 (gram_error): Rename local variable yylloc -> loc.
13792 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
13793 (YY_DECL): Don't use "yy" at start of local variables.
13794 All uses changed, e.g., yylloc -> loc.
13795 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
13796 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
13797 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
13798 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
13799
13800 * src/parse-gram.y (gram_error): loc is now const *.
13801 * src/reader.h (gram_error): Likewise.
13802
13803 2002-11-24 Paul Eggert <eggert@twinsun.com>
13804
13805 Version 1.75c.
13806
13807 * tests/actions.at (Actions after errors): Use an output format
13808 more similar to that of the Printers and Destructors test.
13809 Test the position of the ';' token too.
13810 (Printers and Destructors): Likewise.
13811 (Printers and Destructors: %glr-parser): Remove for now, to avoid
13812 unnecessarily alarming people when the test fails.
13813
13814 * data/yacc.c (yyerrlab1): Move this label down, so that the
13815 parser does not discard the lookahead token if the user code
13816 invokes YYERROR. This change is required for POSIX conformance.
13817
13818 * lib/error.c: Sync with gnulib.
13819
13820 2002-11-22 Paul Eggert <eggert@twinsun.com>
13821
13822 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
13823 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
13824 * lib/xmalloc.c: Likewise.
13825
13826 2002-11-20 Paul Eggert <eggert@twinsun.com>
13827
13828 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
13829
13830 2002-11-20 Paul Eggert <eggert@twinsun.com>
13831
13832 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
13833 should use `if (! x) abort ();' rather than `assert (x);', and
13834 anyway it's one less thing to worry about configuring.
13835
13836 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
13837 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
13838 and replace all instances of assert with abort.
13839 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
13840 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
13841
13842 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
13843 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
13844 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
13845 hash_find_entry, hash_rehash, hash_insert): Likewise.
13846 * src/conflicts.c (resolve_sr_conflict): Likewise.
13847 * src/lalr.c (set_goto_map, map_goto): Likewise.
13848 * src/nullable.c (nullable_compute): Likewise.
13849 * src/output.c (prepare_rules, token_definitions_output): Likewise.
13850 * src/reader.c (packgram, reader): Likewise.
13851 * src/state.c (state_new, state_free, state_transitions_set,
13852 state_reduction_find): Likewise.
13853 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
13854 symbol_pack): Likewise.
13855 * src/tables.c (conflict_row, pack_vector): Likewise.
13856 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13857 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13858 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
13859 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
13860
13861 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
13862 (ARGMATCH_CONSTRAINT): New macro.
13863 (ARGMATCH_ASSERT): Use it.
13864
13865 * src/system.h (verify): New macro.
13866 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
13867 rather than assert.
13868 * src/tables.c (tables_generate): Likewise.
13869
13870 * src/struniq.c (struniq_assert): Now returns void, and aborts
13871 if the assertion is false.
13872 (struniq_assert_p): Remove.
13873 * src/struniq.h: Likewise.
13874
13875 2002-11-18 Paul Eggert <eggert@twinsun.com>
13876
13877 * data/glr.c (yygetLRActions): Replace `yyindex' with
13878 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
13879 This fixes the regression with Sun ONE Studio 7 cc that I reported in
13880 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
13881
13882 2002-11-18 Akim Demaille <akim@epita.fr>
13883
13884 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
13885 space.
13886 From Tim Van Holder.
13887
13888 2002-11-17 Paul Eggert <eggert@twinsun.com>
13889
13890 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
13891 to "SyntaxError" for consistency with my 2002-11-15 change.
13892
13893 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
13894 not define to {}, since this breaks the common use of `YYDPRINTF
13895 ((...));' if a single statement is desired (e.g. before `else').
13896 Work around GCC warnings by surrounding corresponding calls with
13897 {} if needed.
13898 (yyhasResolvedValue): Remove unused function.
13899 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
13900 loop body.
13901 (yyreportSyntaxError): Renamed from yyreportParseError.
13902 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
13903 All uses changed.
13904 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
13905 extern when possible. Remove unused initializations.
13906
13907 2002-11-16 Akim Demaille <akim@epita.fr>
13908
13909 Augment the similarity between GLR and LALR traces.
13910
13911 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
13912 (YY_REDUCE_PRINT): New.
13913 (yyparse): Use them.
13914 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
13915 YYDPRINT here.
13916 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
13917 state reached after the reduction/recovery, since...
13918 (yyparse, yyprocessOneStack): Report the state we are entering in.
13919
13920 2002-11-16 Akim Demaille <akim@epita.fr>
13921
13922 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
13923 Add support for --trace=skeleton.
13924 * src/scan-skel.l: %option debug.
13925 Scan strings of non-@ or \n instead of character by character.
13926 (scan_skel): Handle trace_skeleton.
13927 (QPUTS): New.
13928 (@output_parser_name@, @output_header_name@): ``Restore'' their
13929 support (used to be M4 macros).
13930 * data/yacc.c: Quote larger chunks, a la glr.c.
13931 * data/lalr1.cc: Likewise.
13932 The header guards are no longer available, so use some other
13933 string than `YYLSP_NEEDED'.
13934
13935 2002-11-16 Akim Demaille <akim@epita.fr>
13936
13937 Make the ``Printers and Destructors'' test more verbose, taking
13938 `yacc.c''s behavior as (possibly wrong) reference.
13939
13940 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
13941 instead of fprint on stdout.
13942 Set and report the last_line of the symbols.
13943 Consistently display values and locations.
13944
13945 2002-11-16 Paul Eggert <eggert@twinsun.com>
13946
13947 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
13948
13949 2002-11-15 Paul Eggert <eggert@twinsun.com>
13950
13951 * tests/actions.at (Actions after errors): New test case.
13952
13953 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
13954 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
13955 tests/action.at, tests/calc.at, tests/conflicts.at,
13956 tests/cxx-type.at, tests/regression.at:
13957 "parse error" -> "syntax error" for POSIX compatibility.
13958 "parsing stack overflow..." -> "parser stack overflow" so
13959 that code matches Bison documentation.
13960
13961 2002-11-15 Akim Demaille <akim@epita.fr>
13962
13963 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
13964 take two BRACED_CODE, not two string_content.
13965 Free the scanner's obstack when we are done.
13966 (code_content): New.
13967 * tests/calc.at: Adjust.
13968 * doc/bison.texinfo: Adjust.
13969 Also, make sure to include the `,' for these declarations.
13970
13971 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
13972
13973 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
13974 definition; avoids potential autoreconf problems.
13975
13976 2002-11-15 Akim Demaille <akim@epita.fr>
13977
13978 Always check the value returned by yyparse.
13979
13980 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
13981 returned by yyparse.
13982 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
13983 Adjust calls.
13984 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
13985 returned by yyparse.
13986
13987 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13988
13989 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
13990 on input.at test.
13991
13992 2002-11-14 Paul Eggert <eggert@twinsun.com>
13993
13994 * src/output.c (output_skeleton): Call xfopen instead of
13995 duplicating xfopen's body.
13996
13997 Fix bugs reported by Nelson H. F. Beebe in
13998 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
13999
14000 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
14001 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
14002 Group compiler. Instead, use "$CC -E bar.c". Include the .h
14003 file twice in the grammar, as an extra check.
14004
14005 * tests/input.at (Torturing the Scanner): Surround the
14006 backslash-newline tests with "#if 0", to make it less likely that
14007 we'll run into compiler bugs. Bring back solitary \ inside
14008 comment, but add a closing comment to work around HP C bug. Don't
14009 test backslash-newline in C character constant.
14010
14011 2002-11-14 Akim Demaille <akim@epita.fr>
14012
14013 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
14014 status of the compiler.
14015 Calling `exit 1' is no longer needed.
14016 Reported by Nelson H. F. Beebe.
14017
14018 2002-11-14 Akim Demaille <akim@epita.fr>
14019
14020 * tests/atlocal.in (CPPFLAGS): We have config.h.
14021 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
14022 New.
14023 * tests/actions.at, tests/calc.at, tests/conflicts.at,
14024 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
14025 * tests/regression.at, tests/torture.at: Use them for all the
14026 grammars that are to be compiled.
14027 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
14028 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
14029 * doc/bison.texinfo (GLR Parsers): Document `inline'.
14030
14031 2002-11-14 Akim Demaille <akim@epita.fr>
14032
14033 * doc/bison.texinfo: Various formatting changes (alignments in
14034 samples, additional @group/@end group, GCS in samples.
14035 Use @deffn instead of simple @table to define the directives,
14036 macros, variables etc.
14037
14038 2002-11-13 Paul Eggert <eggert@twinsun.com>
14039
14040 Fix some bugs reported by Albert Chin-A-Young in
14041 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
14042
14043 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
14044 -o c"; the HP C compiler chatters during compilation.
14045 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
14046 * tests/headers.at (export YYLTYPE): Likewise.
14047
14048 * tests/input.at (Torturing the Scanner): Remove lines containing
14049 solitary backslashes, as they tickle a bug in the HP C compiler.
14050
14051 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
14052 comments, since they're not portable. Use GNU coding style.
14053
14054 2002-11-13 Akim Demaille <akim@epita.fr>
14055
14056 * data/yacc.c: Leave bigger chunks of quoted text.
14057 (YYDSYMPRINTF): New.
14058 Use it to report symbol activities.
14059 * data/glr.c (YYDSYMPRINTF): New.
14060 Use it.
14061
14062 2002-11-12 Paul Eggert <eggert@twinsun.com>
14063
14064 Version 1.75b.
14065
14066 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
14067 (yyglrReduce): Return yyok, not 0.
14068 This should avoid the enumerated-type warnings reported
14069 by Nelson H. F. Beebe in
14070 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
14071
14072 * lib/bbitset.h (BITSET_INLINE): Remove.
14073 * lib/bitset.h [! BITSET_INLINE]: Remove.
14074 (bitset_set, bitset_reset, bitset_test): Rename local vars
14075 to avoid shadowing warnings by GCC.
14076
14077 * data/glr.c (inline): Remove #define. It's the user's
14078 responsibility to #define it away, just like 'const'.
14079 This fixes one of the bugs reported by Nelson H. F. Beebe in
14080 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
14081
14082 * Makefile.maint (po-check): Scan .l and .y files instead of the
14083 .c and the .h files that they generate. This fixes the bug
14084 reported by Tim Van Holder in:
14085 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
14086 Look for N_ as well as for _. Try to avoid matching #define for
14087 N_ and _.
14088 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
14089 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
14090 * src/scan-gram.l: Revamp regular expressions so that " and '
14091 do not confuse xgettext.
14092
14093 * src/struniq.h (struniq_new): Do not declare the return type
14094 to be 'const'; this violates the C standard.
14095 * src/struniq.c (struniq_new): Likewise.
14096
14097 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
14098
14099 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
14100 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
14101 linker.
14102
14103 2002-11-12 Akim Demaille <akim@epita.fr>
14104
14105 * Makefile.maint: Sync with Autoconf:
14106 (local_updates): New.
14107
14108 2002-11-12 Akim Demaille <akim@epita.fr>
14109
14110 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
14111
14112 2002-11-12 Akim Demaille <akim@epita.fr>
14113
14114 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
14115 locations.
14116
14117 2002-11-12 Akim Demaille <akim@epita.fr>
14118
14119 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
14120 not yyvalue.
14121
14122 2002-11-12 Akim Demaille <akim@epita.fr>
14123
14124 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
14125 Use it to test the GLR parser.
14126
14127 2002-11-12 Akim Demaille <akim@epita.fr>
14128
14129 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
14130 defines it.
14131 * data/glr.c (yystos): New.
14132 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
14133 (YYDSYMPRINT): New.
14134 (yyval): Don't define it, it is handled via M4.
14135 (yyrecoverParseError): Free verbosely the discarded symbols.
14136 * data/yacc.c (yysymprint): Remove, rather...
14137 (b4_yysymprint_generate): invoke.
14138 * data/c.m4 (b4_yysymprint_generate): New.
14139 Accept pointers as arguments, as opposed to the version from
14140 yacc.c.
14141 (b4_yydestruct_generate): Likewise.
14142 * tests/cations.at (Printers and Destructors): Use Bison directives
14143 instead of CPP macros.
14144 Don't rely on internal details.
14145
14146 2002-11-12 Akim Demaille <akim@epita.fr>
14147
14148 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
14149 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
14150 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
14151 it against YYEMPTY and so forth), work on yytoken (i.e., set
14152 it to YYEMPTY etc.).
14153 (yydestruct): Replace with a b4_yydestruct_generate invocation.
14154 (b4_symbol_actions): Remove.
14155 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
14156 for 0, end-of-input.
14157
14158 2002-11-12 Akim Demaille <akim@epita.fr>
14159
14160 * doc/bison.texinfo (Destructor Decl): New.
14161
14162 2002-11-12 Akim Demaille <akim@epita.fr>
14163
14164 * src/tables.c (tables_generate): Use free for pointers that
14165 cannot be NULL, not XFREE.
14166 (pack_vector): Use assert, not fatal, for bound violations.
14167 * src/state.c (state_new): Likewise.
14168 * src/reader.c (reader): Likewise.
14169 * src/lalr.c (set_goto_map): Likewise.
14170 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
14171 the file name.
14172
14173 2002-11-12 Akim Demaille <akim@epita.fr>
14174
14175 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
14176 Restore.
14177 * src/scan-gram.l (last_string): Is global to the file, not to
14178 yylex.
14179 * src/parse-gram.y (input): Don't append the epilogue here,
14180 (epilogue.opt): do it here, and free the scanner's obstack.
14181 * src/reader.c (epilogue_set): Rename as...
14182 (epilogue_augment): this.
14183 * data/c.m4 (b4_epilogue): Defaults to empty.
14184
14185 2002-11-12 Akim Demaille <akim@epita.fr>
14186
14187 * src/getargs.c (long_options): Remove duplicates.
14188 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
14189 Remove.
14190 * doc/bison.rnh: Remove.
14191 * doc/bison.texinfo (VMS Invocation): Remove.
14192
14193 2002-11-12 Akim Demaille <akim@epita.fr>
14194
14195 * src/struniq.h, src/struniq.c (struniq_t): Is const.
14196 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
14197
14198 Use struniq for symbols.
14199
14200 * src/symtab.h (symbol_t): The tag member is a struniq.
14201 (symbol_type_set): Adjust.
14202 * src/symtab.c (symbol_new): Takes a struniq.
14203 (symbol_free): Don't free the tag member.
14204 (hash_compare_symbol_t, hash_symbol_t): Rename as...
14205 (hash_compare_symbol, hash_symbol): these.
14206 Use the fact that tags as struniqs.
14207 (symbol_get): Use struniq_new.
14208 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
14209 Returns a strniq.
14210 * src/reader.h (merger_list, grammar_currentmerge_set): The name
14211 and type members are struniqs.
14212 * src/reader.c (get_merge_function)
14213 (grammar_current_rule_merge_set): Adjust.
14214 (TYPE, current_type): Are struniq.
14215
14216 Use struniq for file names.
14217
14218 * src/files.h, src/files.c (infile): Split into...
14219 (grammar_file, current_file): these.
14220 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
14221 * src/reduce.c (reduce_print): Likewise.
14222 * src/getargs.c (getargs): Likewise.
14223 * src/complain.h, src/complain.c: Likewise.
14224 * src/main.c (main): Call struniqs_new early enough to use it for
14225 file names.
14226 Don't free the input file name.
14227
14228 2002-11-12 Akim Demaille <akim@epita.fr>
14229
14230 * src/symtab.c (symbol_free): Remove dead deactivated code:
14231 type_name are properly removed.
14232 Don't use XFREE to free items that cannot be NULL.
14233 * src/struniq.h, src/struniq.c: New.
14234 * src/main.c (main): Initialize/free struniqs.
14235 * src/parse-gram.y (%union): Add astruniq member.
14236 (yyprint): Adjust.
14237 * src/scan-gram.l (<{tag}>): Return a struniq.
14238 Free the obstack bit that used to store it.
14239 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
14240
14241 2002-11-11 Paul Eggert <eggert@twinsun.com>
14242
14243 Revamp to fix many (but not all) of the C- and M4-related quoting
14244 problems. Among other things, this fixes the Bison bug reported
14245 by Jan Hubicka when processing the Bash grammar; see:
14246 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
14247
14248 Use new @ escapes consistently. Represent brackets with @{ and @}
14249 rather than @<:@ and @:>@, since this works a bit better with dumb
14250 editors like vi. Represent @ with @@, since @ is now consistently
14251 an escape. Use @oline@ and @ofile@ rather than __oline__ and
14252 __ofile__, to avoid unexpected expansions. Similarly, use @output
14253 rather than #output.
14254
14255 * data/c.m4 (b4_copyright): Omit file name from comment, since
14256 the file name could contain "*/".
14257 (b4_synclines_flag): Don't quote the 2nd argument; it should already
14258 be quoted. All uses changed.
14259
14260 * data/glr.c: Use new @ escapes consistently.
14261 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
14262 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
14263 Remove, since they couldn't handle arbitrary characters in file
14264 names.
14265 * data/lalr1.cc: Likewise.
14266 * data/yacc.c: Likewise.
14267
14268 * src/files.c (output_infix): Remove; all uses removed.
14269 * src/files.h: Likewise.
14270
14271 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
14272 mishandled funny characters in file names, and anyway it isn't
14273 needed any more.
14274 * data/yacc.c: Likewise.
14275 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
14276
14277 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
14278 * data/yacc.c: Likewise.
14279
14280 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
14281 strings now.
14282 (muscle_init): Quote filename as a C string.
14283 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
14284 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
14285 * src/output.c (escaped_file_name_output): New function.
14286 (prepare_symbols): Quote tokens for M4.
14287 (prepare): Don't insert output_infix, output_prefix,
14288 output_parser_name, output_header_name; this is now down by scan-skel.
14289 Insert skeleton as a C string.
14290
14291 * src/output.c (user_actions_output, symbol_destructors_output,
14292 symbol_printers_output): Quote filenames for C and M4.
14293 * src/reader.c (prologue_augment, epilogue_set): Likewise.
14294
14295 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
14296 escapes other than \\ and \'; this simplifies the code.
14297 (<SC_STRING>): Likewise, for \\ and \".
14298 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
14299 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
14300 Use new escapes @{ and @} for [ and ].
14301
14302 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
14303 them with auto vars.
14304 Switch to new escape scheme, where @ is the escape character uniformly.
14305 Abort if a stray escape character is found. Avoid unbounded input
14306 buffer when parsing non-escaped text.
14307
14308 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
14309 __oline__, #output, $@, and @{ do not have unintended meanings.
14310
14311 2002-11-09 Paul Eggert <eggert@twinsun.com>
14312
14313 Fix the test failure due to GCC warnings described in
14314 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
14315 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
14316 evaluate to 0 if it's impossible for NINF to be in the respective
14317 table.
14318 (yygetLRActions, yyrecoverParseError): Use them.
14319
14320 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
14321 counted in the token inserted at end of file. Now takes
14322 location_t *, not location_t, so that the location can be
14323 adjusted. All uses changed.
14324
14325 * tests/regression.at (Invalid inputs): Adjust wording in
14326 diagnostic to match the new behavior.
14327
14328 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
14329 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
14330 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
14331 abort ();'. This reduces the runtime of the "Many lookaheads"
14332 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
14333 GCC 3.2.
14334
14335 2002-11-07 Paul Eggert <eggert@twinsun.com>
14336
14337 * src/parse-gram.y (CHARACTER): Remove unused token.
14338 All uses removed.
14339
14340 * src/scan-gram.l: Remove stack option. We no longer use the
14341 stack, since the stack was never deeper than 1; instead, use the
14342 new auto var c_context to record the stacked value.
14343
14344 Remove nounput option. At an unexpected end of file, we now unput
14345 the minimal input necessary to end cleanly; this simplifies the
14346 code.
14347
14348 Avoid unbounded token sizes where this is easy.
14349
14350 (unexpected_end_of_file): New function.
14351 Use it to systematize the error message on unexpected EOF.
14352 (last-string): Now auto, not static.
14353 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
14354 (scanner_last_string_free): Remove; not used.
14355 (percent_percent_count): Move decl to just before use.
14356 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
14357 not the (never otherwised-used) CHARACTER.
14358
14359 2002-11-07 Akim Demaille <akim@epita.fr>
14360
14361 Let yyerror always receive the msg as last argument, so that
14362 yyerror can be variadic.
14363
14364 * data/yacc.c (b4_yyerror_args): New.
14365 Use it when calling yyerror.
14366 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
14367 Use it when calling yyerror.
14368 * doc/bison.texinfo (Error Reporting): Adjust.
14369 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
14370 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
14371
14372 2002-11-06 Akim Demaille <akim@epita.fr>
14373
14374 #line should have quoted strings.
14375 Ideally, this should be done by m4_quotearg.
14376
14377 * src/scan-skel.l: Include quotearg.h.
14378 Quote __ofile__.
14379 * src/output.c (symbol_printers_output)
14380 (symbol_destructors_output): Quote the file name.
14381
14382 2002-11-06 Akim Demaille <akim@epita.fr>
14383
14384 * tests/regression.at (Invalid inputs): Adjust to the recent
14385 messages.
14386
14387 2002-11-06 Akim Demaille <akim@epita.fr>
14388
14389 Restore --no-lines.
14390 Reported by Jim Kent.
14391
14392 * data/c.m4 (b4_syncline): New.
14393 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
14394 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
14395 * src/output.c (user_actions_output): Likewise.
14396 (prepare): Define 'b4_synclines_flag'.
14397 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
14398
14399 2002-11-06 Akim Demaille <akim@epita.fr>
14400
14401 * src/main.c (main): Free `infile'.
14402 * src/scan-gram.l (handle_syncline): New.
14403 Recognize `#line'.
14404 * src/output.c (user_actions_output, symbol_destructors_output)
14405 (symbol_printers_output): Use the location's file name, not
14406 infile.
14407 * src/reader.c (prologue_augment, epilogue_set): Likewise.
14408
14409 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14410
14411 * src/tables.c (matching_state): Don't allow states to match if
14412 either has GLR conflict entries.
14413
14414 2002-11-05 Paul Eggert <eggert@twinsun.com>
14415
14416 * src/scan-gram.l: Use more accurate diagnostics, e.g.
14417 "integer out of range" rather than "invalid value".
14418 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
14419 accordingly.
14420
14421 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
14422 Also, remove one static variable in the scanner.
14423
14424 * src/scan-gram.l (braces_level): Now auto, not static.
14425 Initialize to zero if the compiler is being picky.
14426 (INITIAL): Clear braces_level instead of incrementing it.
14427 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
14428 as POSIX 1003.1-2001 requires.
14429 * src/system.h (IF_LINT): New macro, taken from coreutils.
14430 * configure.ac: Define "lint" if --enable-gcc-warnings.
14431
14432 2002-11-05 Akim Demaille <akim@epita.fr>
14433
14434 * src/scan-gram.l: When it starts with `%', complain about the
14435 whole directive, not just that `invalid character: %'.
14436
14437 2002-11-04 Akim Demaille <akim@epita.fr>
14438
14439 * Makefile.maint: Update from Autoconf.
14440 (update, cvs-update, po-update, do-po-update): New.
14441
14442 2002-11-04 Akim Demaille <akim@epita.fr>
14443
14444 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
14445 and yyerror.
14446 Have yyerror `use' its arguments.
14447 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
14448 returns true when location & yacc & pure & parse-param.
14449 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
14450
14451 2002-11-04 Akim Demaille <akim@epita.fr>
14452
14453 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
14454 clashes.
14455 * src/scan-gram.l: Use [\'] instead of ['] to pacify
14456 font-lock-mode.
14457 Use complain_at.
14458 Use quote, not quote_n since LOCATION_PRINT no longer uses the
14459 slot 0.
14460
14461 2002-11-03 Paul Eggert <eggert@twinsun.com>
14462
14463 * src/reader.c (get_merge_function, grammar_current_rule_check):
14464 Use consistent diagnostics for reporting type name clashes.
14465 Quote the types with <>, for consistency with Yacc.
14466 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
14467
14468 2002-11-03 Akim Demaille <akim@epita.fr>
14469
14470 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
14471 New.
14472 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
14473 (b4_parse_param): Remove.
14474 Use b4_identification.
14475 Propagate b4_pure_args where needed to pass them to yyerror.
14476 * data/glr.m4 (b4_parse_param): Remove.
14477 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
14478 (b4_lpure_formals): New.
14479 Use b4_identification.
14480 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
14481 b4_user_formals and b4_user_args.
14482 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
14483 (yyreportAmbiguity): When using a pure parser, also need
14484 the location, and the parse-params.
14485 Adjust callers.
14486 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
14487 When using a pure parser, also need the parse-params.
14488 Adjust callers.
14489 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
14490 (%pure-parser + %parse-param) LALR and GLR parsers.
14491 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
14492 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
14493 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
14494 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
14495 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
14496 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
14497 * doc/bison.texinfo: Untabify the whole file.
14498 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
14499 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
14500 (Error Reporting): Adjust to these new directives.
14501 Document %error-verbose, deprecate YYERROR_VERBOSE.
14502
14503 2002-11-03 Akim Demaille <akim@epita.fr>
14504
14505 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
14506 AT_CHECK_CALC_GLR invocations to use % directives, instead of
14507 command line options.
14508 * tests/cxx-type.at: Formatting changes.
14509
14510 2002-11-03 Paul Eggert <eggert@twinsun.com>
14511
14512 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
14513 to count columns correctly, and to check for invalid inputs.
14514
14515 Use mbsnwidth to count columns correctly. Account for tabs, too.
14516 Include mbswidth.h.
14517 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
14518 (extend_location): New function.
14519 (YY_LINES): Remove.
14520
14521 Handle CRLF in C code rather than in Lex code.
14522 (YY_INPUT): New macro.
14523 (no_cr_read): New function.
14524
14525 Scan UCNs, even though we don't fully handle them yet.
14526 (convert_ucn_to_byte): New function.
14527
14528 Handle backslash-newline correctly in C code.
14529 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
14530 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
14531 all uses changed.
14532 (tag, splice): New EREs. Do not allow NUL or newline in tags.
14533 Use {splice} wherever C allows backslash-newline.
14534 YY_STEP after space, newline, vertical-tab.
14535 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
14536
14537 (letter, id): Don't assume ASCII; e.g., spell out a-z.
14538
14539 ({int}, handle_action_dollar, handle_action_at): Check for integer
14540 overflow.
14541
14542 (YY_STEP): Omit trailing semicolon, so that it's more like C.
14543
14544 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
14545 as well as \000. Check for UCHAR_MAX, not 255.
14546 Allow \x with an arbitrary positive number of digits, as in C.
14547 Check for overflow here.
14548 Allow \? and UCNs, for compatibility with C.
14549
14550 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
14551 with quote slot used by complain_at.
14552
14553 * tests/input.at: Add tests for backslash-newline, m4 quotes
14554 in symbols, long literals, and funny escapes in strings.
14555
14556 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
14557 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
14558 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
14559 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
14560 * m4/mbswidth.m4: New file, from GNU coreutils.
14561
14562 * doc/bison.texinfo (Grammar Outline): Document // comments.
14563 (Symbols): Document that trigraphs have no special meaning in Bison,
14564 nor is backslash-newline allowed.
14565 (Actions): Document that trigraphs have no special meaning.
14566
14567 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
14568 no longer used.
14569
14570 2002-11-02 Paul Eggert <eggert@twinsun.com>
14571
14572 * src/reader.c: Don't include quote.h; not needed.
14573 (get_merge_function): Reword warning to be consistent with
14574 type clash diagnostic in grammar_current_rule_check.
14575
14576 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
14577 bug in trigraph handling.
14578
14579 * src/output.c (prepare_symbols): When printing token names,
14580 escape "[" as "@<:@" and likewise for "]".
14581
14582 * src/system.h (errno): Remove declaration, as we are now
14583 assuming C89 or better, and C89 guarantees errno.
14584
14585 2002-10-30 Paul Eggert <eggert@twinsun.com>
14586
14587 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
14588 Check for close failures.
14589 * src/files.h (xfclose): Return void, not int, since it always
14590 returned zero.
14591 * src/files.c (xfclose): Likewise. Report I/O error if ferror
14592 indicates one.
14593 * src/output.c (output_skeleton): Use xfclose rather than fclose
14594 and ferror. xfclose now checks ferror.
14595
14596 * data/glr.c (YYLEFTMOST_STATE): Remove.
14597 (yyreportTree): Use a stack-based leftmost state. This avoids
14598 our continuing battles with bogus warnings about initializers.
14599
14600 2002-10-30 Akim Demaille <akim@epita.fr>
14601
14602 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
14603 #if.
14604
14605 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14606
14607 * tests/glr-regr1.at: New test for reported regressions.
14608 * tests/testsuite.at: Add glr-regr1.at test.
14609 * tests/Makefile.am: Add glr-regr1.at test.
14610
14611 2002-10-24 Paul Eggert <eggert@twinsun.com>
14612
14613 Version 1.75a.
14614
14615 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
14616 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
14617 we use malloc. Don't assume 'A' through 'Z' are contiguous.
14618 Don't assume strdup exists; POSIX says its an XSI extension.
14619 Check for buffer overflow on input.
14620
14621 2002-10-24 Akim Demaille <akim@epita.fr>
14622
14623 * src/output.c (output_skeleton): Don't disable M4sugar comments
14624 too soon: it results in comments being expanded.
14625 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
14626 first output.
14627
14628 2002-10-24 Akim Demaille <akim@epita.fr>
14629
14630 * data/yacc.c (m4_int_type): New.
14631 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
14632 char' as only yacc.c wants K&R portability.
14633 * data/glr.c (yysigned_char): Remove.
14634 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
14635 Reported by Quoc Peyrot.
14636
14637 2002-10-23 Paul Eggert <eggert@twinsun.com>
14638
14639 * src/main.c (main): With --trace=time, report times even if a
14640 non-fatal error occurs. Formerly, the times were reported in some
14641 such cases but not in others.
14642 * src/reader.c (reader): Just return if a complaint has been issued,
14643 instead of exiting, so that 'main' can report times.
14644
14645 2002-10-22 Akim Demaille <akim@epita.fr>
14646
14647 * src/system.h: Include sys/types.
14648 Reported by Bert Deknuydt.
14649
14650 2002-10-23 Paul Eggert <eggert@twinsun.com>
14651
14652 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
14653 Suggested by Art Haas.
14654
14655 2002-10-22 Paul Eggert <eggert@twinsun.com>
14656
14657 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
14658 decl; not needed any more.
14659 * src/main.c (main): Use return to exit, undoing yesterday's change.
14660 The last OS that we could find where this wouldn't work is
14661 SunOS 3.5, and that's too old to worry about now.
14662
14663 * data/glr.c (struct yyltype): Define members even when not
14664 doing locations. This is more consistent with yacc.c, and it
14665 works around the following bug reports:
14666 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
14667 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
14668
14669 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
14670 @acronym consistently. Standardize on "Yacc" instead of "YACC",
14671 "Algol" instead of "ALGOL". Give a bit more history about BNF.
14672
14673 2002-10-22 Akim Demaille <akim@epita.fr>
14674
14675 * data/README: New.
14676
14677 2002-10-21 Paul Eggert <eggert@twinsun.com>
14678
14679 Be consistent about 'bool'; the old code used an enum in one
14680 module and an int in another, and this violates the C standard.
14681 * m4/stdbool.m4: New file, from coreutils 4.5.3.
14682 * configure.ac (AC_HEADER_STDBOOL): Add.
14683 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
14684 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
14685 * src/symtab.c (hash_compare_symbol_t): Likewise.
14686 * src/system.h (bool, false, true): Use a definition consistent
14687 with ../lib/hash.c. All uses changed.
14688
14689 * src/complain.c (warning_issued): Renamed from warn_message_count,
14690 so that we needn't worry about integer overflow (!).
14691 Now of type bool. All uses changed.
14692 (complaint_issued): Renamed from complain_message_count; likewise.
14693
14694 * src/main.c (main): Use exit to exit with failure.
14695
14696 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
14697 rather than 1 and 0.
14698 * src/main.c (main): Likewise.
14699 * src/getargs.c (getargs): Likewise.
14700 * src/reader.c (reader): Likewise.
14701
14702 * src/getarg.c (getargs): Remove duplicate code for
14703 "Try `bison --help'".
14704
14705 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
14706 What was that "2" for?
14707
14708 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
14709 * src/getargs.c (usage): Likewise.
14710
14711 * src/getargs.c (getargs): When there are too few operands, report
14712 the last one. When there are too many, report the first extra
14713 one. This is how diffutils does it.
14714
14715 2002-10-20 Paul Eggert <eggert@twinsun.com>
14716
14717 Remove K&R vestiges.
14718 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
14719 * src/complain.c (VA_START): Remove. Assume prototypes.
14720 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
14721 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
14722 fatal): Assume prototypes.
14723 * src/complain.h: Assume prototypes.
14724 * src/system.h (PARAMS): Remove.
14725 Include <limits.h> unconditionally, since it's guaranteeed even
14726 for a freestanding C89 compiler.
14727 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
14728 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
14729
14730 2002-10-20 Akim Demaille <akim@epita.fr>
14731
14732 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
14733 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
14734 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
14735 (yyresolveStates, yyresolveAction, yyresolveStack)
14736 (yyprocessOneStack): Use them.
14737 (yy_reduce_print): New.
14738 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
14739
14740 2002-10-20 Akim Demaille <akim@epita.fr>
14741
14742 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
14743 arguments and output `void'.
14744 (b4_c_function): Rename as...
14745 (b4_c_function_def): this.
14746 (b4_c_function_decl, b4_c_ansi_function_def)
14747 (b4_c_ansi_function_decl): New.
14748 Change the interpretation of the arguments: before `int, foo', now
14749 `int foo, foo'.
14750 * data/yacc.c (yyparse): Prototype and define thanks to these.
14751 Adjust b4_c_function_def uses.
14752 * data/glr.c (yyparse): Likewise, but ANSI only.
14753
14754 2002-10-20 Akim Demaille <akim@epita.fr>
14755
14756 * src/output.c (prepare): Move the definition of `tokens_number',
14757 `nterms_number', `undef_token_number', `user_token_number_max'
14758 to...
14759 (prepare_tokens): Here.
14760 (prepare_tokens): Rename as...
14761 (prepare_symbols): this.
14762 (prepare): Move the definition of `rules_number' to...
14763 (prepare_rules): here.
14764 (prepare): Move the definition of `last', `final_state_number',
14765 `states_number' to...
14766 (prepare_states): here.
14767 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
14768
14769 2002-10-20 Akim Demaille <akim@epita.fr>
14770
14771 * src/tables.h, src/tables.c, src/output.c: Comment changes.
14772
14773 2002-10-20 Akim Demaille <akim@epita.fr>
14774
14775 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
14776 * data/c.m4: here.
14777
14778 2002-10-20 Akim Demaille <akim@epita.fr>
14779
14780 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
14781 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
14782 `pair'.
14783 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
14784 `name' to...
14785 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
14786 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
14787 These.
14788
14789 2002-10-19 Paul Eggert <eggert@twinsun.com>
14790
14791 Do not create a temporary file, as that involves security and
14792 cleanup headaches. Instead, use a pair of pipes.
14793 Derived from a suggestion by Florian Krohm.
14794 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
14795 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
14796 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
14797 (BISON_PREREQ_SUBPIPE): Add.
14798 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
14799 Add subpipe.h, subpipe.c.
14800 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
14801 * po/POTFILES.in: Add lib/subpipe.c.
14802 * src/output.c: Include "subpipe.h".
14803 (m4_invoke): Remove decl.
14804 (scan_skel): New decl.
14805 (output_skeleton): Use pipe rather than temporary file for m4 input.
14806 Check that m4sugar.m4 is readable, to avoid deadlock.
14807 Check for pipe I/O error.
14808 * src/scan-skel.l (readpipe): Remove decl.
14809 (scan_skel): New function, to be used in place of m4_invoke.
14810 Read from stream rather than file.
14811
14812 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
14813 float, as this generates a warning on Solaris 8 + GCC 3.2 with
14814 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
14815 this generates a more-accurate value anyway.
14816
14817 * lib/timevar.c (timervar_accumulate): Rename locals to
14818 avoid confusion with similarly-named more-global.
14819 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
14820
14821 * src/output.c (prepare): Use xstrdup to convert char const *
14822 to char *, to avoid GCC warning.
14823
14824 2002-10-19 Akim Demaille <akim@epita.fr>
14825
14826 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
14827 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
14828 Use them to have `calc.y' ready for %pure-parser.
14829 * data/yacc.c (YYLEX): Pass a yylex return type to
14830 b4_c_function_call.
14831
14832 2002-10-19 Akim Demaille <akim@epita.fr>
14833
14834 Prototype support of %lex-param and %parse-param.
14835
14836 * src/parse-gram.y: Add the definition of the %lex-param and
14837 %parse-param tokens, plus their rules.
14838 Drop the `_' version of %glr-parser.
14839 Add the "," token.
14840 * src/scan-gram.l (INITIAL): Scan them.
14841 * src/muscle_tab.c: Comment changes.
14842 (muscle_insert, muscle_find): Rename `pair' as `probe'.
14843 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
14844 (muscle_entry_s): The `value' member is no longer const.
14845 Adjust all dependencies.
14846 * src/muscle_tab.c (muscle_init): Adjust: use
14847 MUSCLE_INSERT_STRING.
14848 Initialize the obstack earlier.
14849 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
14850 (muscle_pair_list_grow): New.
14851 * data/c.m4 (b4_c_function_call, b4_c_args): New.
14852 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
14853 * tests/calc.at: Use %locations, not --locations.
14854 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
14855
14856 2002-10-19 Akim Demaille <akim@epita.fr>
14857
14858 * src/getargs.c (usage): Take status as argument and exit
14859 accordingly.
14860 Report the traditional `Try ... --help' message when status != 0.
14861 (usage, version): Don't take a FILE * as arg, it is pointless.
14862 (getargs): When there is an incorrect number of arguments, make it
14863 an error, and report it GNUlically thanks to `usage ()'.
14864
14865 2002-10-18 Paul Eggert <eggert@twinsun.com>
14866
14867 * data/glr.c (yyreportParseError): Don't assume that sprintf
14868 yields the length of the printed string, as this is not true
14869 on SunOS 4.1.4. Reported by Peter Klein.
14870
14871 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
14872 * tests/conflicts.at (%nonassoc and eof): Likewise.
14873 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
14874
14875 2002-10-17 Akim Demaille <akim@epita.fr>
14876
14877 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
14878 * src/getargs.c (trace_types, trace_args): Adjust.
14879 * src/reader.c (grammar_current_rule_prec_set)
14880 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
14881 Standardize error messages.
14882 And s/@prec/%prec/!
14883 (reader): Use trace_flag to enable scanner/parser debugging,
14884 instead of an adhoc scheme.
14885 * src/scan-gram.l: Remove trailing debugging code.
14886
14887 2002-10-16 Paul Eggert <eggert@twinsun.com>
14888
14889 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
14890 MUSCLE_TAB_H.
14891
14892 * NEWS: Officially drop support for building Bison with K&R C,
14893 since it didn't work anyway and it's not worth worrying about.
14894 * Makefile.maint (wget_files): Remove ansi2knr.c.
14895 (ansi2knr.c-url_prefix): Remove.
14896 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
14897 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14898 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14899
14900 2002-10-15 Paul Eggert <eggert@twinsun.com>
14901
14902 Stop using the "enum_" trick for K&R-style function definitions;
14903 it confused me, and I was the author! Instead, assume that people
14904 who want to use K&R C compilers (when using these modules in GCC,
14905 perhaps?) will run ansi2knr.
14906
14907 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
14908 All uses of "enum_" changed to "enum ".
14909 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14910 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14911
14912 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
14913 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
14914 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
14915 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
14916 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
14917 abitset_not, abitset_ones, abitset_or, abitset_or_and,
14918 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
14919 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
14920 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
14921 Use function prototypes; this removes the need for declaring
14922 static functions simply to provide their prototypes.
14923 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
14924 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
14925 bitset_count_, bitset_create, bitset_dump, bitset_first,
14926 bitset_free, bitset_init, bitset_last, bitset_next,
14927 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
14928 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
14929 bitset_print, bitset_release_memory, bitset_toggle_,
14930 bitset_type_choose, bitset_type_get, bitset_type_name_get,
14931 debug_bitset): Likewise.
14932 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
14933 * lib/bitset_stats.c (bitset_log_histogram_print,
14934 bitset_percent_histogram_print, bitset_stats_and,
14935 bitset_stats_and_cmp, bitset_stats_and_or,
14936 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
14937 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
14938 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
14939 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
14940 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
14941 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
14942 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
14943 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
14944 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
14945 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
14946 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
14947 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
14948 bitset_stats_zero): Likewise.
14949 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14950 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14951 bitsetv_dump, debug_bitsetv): Likewise.
14952 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
14953 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
14954 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
14955 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
14956 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
14957 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
14958 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
14959 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
14960 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
14961 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
14962 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
14963 Likewise.
14964 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
14965 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
14966 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
14967 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
14968 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
14969 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
14970 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
14971 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
14972 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
14973 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
14974 lbitset_xor_cmp, lbitset_zero): Likewise.
14975
14976 2002-10-14 Akim Demaille <akim@epita.fr>
14977
14978 Version 1.75.
14979
14980 2002-10-14 Akim Demaille <akim@epita.fr>
14981
14982 * tests/Makefile.am (maintainer-check-posix): New.
14983
14984 2002-10-14 Akim Demaille <akim@epita.fr>
14985
14986 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
14987 member.
14988
14989 2002-10-14 Akim Demaille <akim@epita.fr>
14990
14991 * src/tables.c (table_ninf_remap): base -> tab.
14992 Reported by Matt Rosing.
14993
14994 2002-10-14 Paul Eggert <eggert@twinsun.com>
14995
14996 * tests/action.at, tests/calc.at, tests/conflicts.at,
14997 tests/cxx-type.at, tests/headers.at, tests/input.at,
14998 tests/regression.at, tests/synclines.at, tests/torture.at:
14999 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
15000 so that the tests still work even if POSIXLY_CORRECT is set.
15001 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
15002
15003 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
15004 for portability to K&R hosts. Fix typo: signed char is guaranteed
15005 only to 127, not to 128.
15006 * data/glr.c (yysigned_char): New type.
15007 * data/yacc.c (yysigned_char): Likewise.
15008 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
15009
15010 2002-10-13 Paul Eggert <eggert@twinsun.com>
15011
15012 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
15013 true due to limited range of data type" warning from GCC.
15014
15015 * data/c.m4 (b4_token_defines): Protect against double-inclusion
15016 by wrapping enum yytokentype's definition inside #ifndef
15017 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
15018
15019 2002-10-13 Akim Demaille <akim@epita.fr>
15020
15021 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
15022 Un yy- yyrhs to avoid the name clash with the global YYRHS.
15023
15024 2002-10-13 Akim Demaille <akim@epita.fr>
15025
15026 * Makefile.maint: Update from Autoconf 2.54.
15027 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
15028
15029 2002-10-13 Akim Demaille <akim@epita.fr>
15030
15031 * src/print.c (print_state): Separate the list of solved conflicts
15032 from the other items.
15033 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
15034
15035 2002-10-13 Akim Demaille <akim@epita.fr>
15036
15037 Let nondeterministic skeletons be usable with deterministic
15038 tables.
15039
15040 With the patch, GAWK compiled by GCC without -O2 passes its test
15041 suite using a GLR parser driven by LALR tables. It fails with -O2
15042 because `struct stat' gives two different answers on my machine:
15043 88 (definition of an auto var) and later 96 (memset on this var).
15044 Hence the stack is badly corrumpted. The headers inclusion is to
15045 blame: if I move the awk.h inclusion before GLR's system header
15046 inclusion, the two struct stat have the same size.
15047
15048 * src/tables.c (pack_table): Always create conflict_table.
15049 (token_actions): Always create conflict_list.
15050 * data/glr.c (YYFLAG): Remove, unused.
15051
15052 2002-10-13 Akim Demaille <akim@epita.fr>
15053
15054 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
15055 (O0FLAGS): New.
15056 (VALGRIND, GXX): New.
15057 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
15058 * tests/bison.in: Run $PREBISON a pre-command.
15059 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
15060 (maintainer-check-g++): New.
15061 * Makefile.am (maintainer-check): New.
15062
15063 2002-10-13 Akim Demaille <akim@epita.fr>
15064
15065 * data/glr.c: Formatting changes.
15066 Tweak some trace messages to match yacc.c's.
15067
15068 2002-10-13 Akim Demaille <akim@epita.fr>
15069
15070 GLR parsers sometimes raise parse errors instead of performing the
15071 default reduction.
15072 Reported by Charles-Henry de Boysson.
15073
15074 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
15075 check the length of the traces when %glr.
15076 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
15077 GLR's traces.
15078 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
15079 Test GLR parsers.
15080 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
15081 (yyltype): Remove the yy prefix from the member names.
15082 (yytable): Complete its comment.
15083 (yygetLRActions): Map error action number from YYTABLE from
15084 YYTABLE_NINF to 0.
15085 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
15086 (which was a bug: it should have been YYTABEL_NINF, and yet it was
15087 not satisfying as we could compare an YYACTION computed from
15088 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
15089 only value for error actions.
15090 (yyreportParseError): In verbose parse error messages, don't issue
15091 `error' in the list of expected tokens.
15092 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
15093 next action to perform to match glr.c's decoding.
15094 (yytable): Complete its comment.
15095
15096 2002-10-13 Paul Eggert <eggert@twinsun.com>
15097
15098 Fix problem reported by Henrik Grubbstroem in
15099 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
15100 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
15101 because the Bison parser reads the second action before reducing
15102 the first one.
15103 * src/scan-gram.l (rule_length): New static var.
15104 Use it to keep track of the rule length in the scanner, since
15105 we can't expect the parser to be in lock-step sync with the scanner.
15106 (handle_action_dollar, handle_action_at): Use this var.
15107 * tests/actions.at (Exotic Dollars): Test for the problem.
15108
15109 2002-10-12 Paul Eggert <eggert@twinsun.com>
15110
15111 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
15112 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
15113 Include <sys/time.h> when checking for clock_t and struct tms.
15114 Use same include order as source.
15115 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
15116 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
15117
15118 * lib/timevar.c: Update copyright date and clarify comments.
15119 (get_time) [IN_GCC]: Keep the GCC version for reference.
15120
15121 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
15122 GCC version as of today, then merge Bison's changes.
15123 Change "GCC" to "Bison" in copyright notice. timevar.def's
15124 author is Akim, so change that too.
15125
15126 * src/reader.c (grammar_current_rule_check):
15127 Don't worry about the default action if $$ is untyped.
15128 Prevents bogus warnings reported by Jim Gifford in
15129 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
15130
15131 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
15132 * data/glr.c, data/lalr1.cc, data/yacc.c:
15133 Output token definitions before the first part of user declarations.
15134 Fixes compatibility problem reported by Jim Gifford for kbd in
15135 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
15136
15137 2002-10-11 Paul Eggert <eggert@twinsun.com>
15138
15139 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
15140 (yyparse): here. This undoes some of the 2002-07-25 change.
15141 Compatibility problem reported by Ralf S. Engelschall with
15142 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
15143
15144 2002-10-11 Akim Demaille <akim@epita.fr>
15145
15146 * tests/regression.at Characters Escapes): New.
15147 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
15148 characters.
15149 Reported by Jan Nieuwenhuizen.
15150
15151 2002-10-11 Akim Demaille <akim@epita.fr>
15152
15153 * po/id.po: New.
15154
15155 2002-10-10 Paul Eggert <eggert@twinsun.com>
15156
15157 Portability fixes for bitsets; this also avoids several GCC
15158 warnings.
15159
15160 * lib/abitset.c: Include <stddef.h>, for offsetof.
15161 * lib/lbitset.c: Likewise.
15162
15163 * lib/abitset.c (abitset_bytes): Return a size that is aligned
15164 properly for vectors of objects. Do not assume that adding a
15165 header size to a multiple of a word size yields a value that is
15166 properly aligned for the whole union.
15167 * lib/bitsetv.c (bitsetv_alloc): Likewise.
15168
15169 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
15170 unique names for structures.
15171 * lib/ebitset.c (ebitset_bytes): Likewise.
15172 * lib/lbitset.c (lbitset_bytes): Likewise.
15173
15174 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
15175 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
15176 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
15177 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
15178 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
15179 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
15180 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
15181 to improve the type-checking that GCC can do.
15182 * lib/bitset.c (bitset_op4_cmp): Likewise.
15183 * lib/bitset_stats.c (bitset_stats_count,
15184 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
15185 bitset_stats_copy, bitset_stats_disjoint_p,
15186 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
15187 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
15188 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
15189 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
15190 bitset_stats_and_or_cmp, bitset_stats_andn_or,
15191 bitset_stats_andn_or_cmp, bitset_stats_or_and,
15192 bitset_stats_or_and_cmp): Likewise.
15193 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
15194 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
15195 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
15196 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
15197
15198 * lib/abitset.h: Include bitset.h, not bbitset.h.
15199 * lib/ebitset.h: Likewise.
15200 * lib/lbitset.h: Likewise.
15201
15202 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
15203 All instances of parameters of type enum bitset_opts are now of
15204 type enum_bitset_opts, to conform to the C Standard, and similarly
15205 for enum_bitset_type.
15206 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
15207 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
15208
15209 Do not use "struct bitset_struct" to mean different things in
15210 different modules. Not only is this confusing, it violates
15211 the C Standard, which requires that structure types in different
15212 modules must be compatible if one is to be passed to the other.
15213 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
15214 All instances of "struct bitset_struct *" replaced with "bitset".
15215 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
15216 (union bitset_union, struct abitset_struct, struct ebitset_struct,
15217 struct lbitset_struct, struct bitset_stats_struct): New types.
15218 All uses of struct bitset_struct changed to union bitset_union,
15219 etc.
15220 * lib/abitset.c (struct abitset_struct, abitset,
15221 struct bitset_struct): Remove.
15222 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
15223 struct bitset_struct): Remove.
15224 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
15225 bitset_struct): Remove.
15226 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
15227 Likewise.
15228
15229 Do not call a function of type T using a call that assumes the
15230 function is of a different type U. Standard C requires that a
15231 function must be called with a type that is compatible with its
15232 definition.
15233 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
15234 New decls.
15235 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
15236 New functions.
15237 * lib/ebitset.c (PFV): Remove.
15238 * lib/lbitset.c (PFV): Likewise.
15239 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
15240 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
15241 decls.
15242 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
15243 (ebitset_vtable): Use them.
15244 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
15245 lbitset_xor): New functions.
15246 (lbitset_vtable): Use them.
15247
15248 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
15249 Declare.
15250
15251 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
15252 GCC warning.
15253 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
15254 Use offsetof, for simplicity.
15255
15256 2002-10-06 Paul Eggert <eggert@twinsun.com>
15257
15258 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
15259 the same width as int. This reapplies a hunk of the 2002-08-12 patch
15260 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
15261 which was inadvertently undone by the 2002-09-30 patch.
15262 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
15263 the same width as int.
15264
15265 2002-10-04 Paul Eggert <eggert@twinsun.com>
15266
15267 Version 1.50.
15268
15269 * configure.ac (AC_INIT), NEWS: Increment version number.
15270
15271 * doc/bison.texinfo: Minor spelling, grammar, and white space
15272 fixes.
15273 (Symbols): Mention that any negative value returned from yylex
15274 signifies end-of-input. Warn about negative chars. Mention
15275 the portable Standard C character set.
15276
15277 The GNU coding standard says CFLAGS and YFLAGS are reserved
15278 for the installer to set.
15279 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
15280 * src/Makefile.am (AM_CFLAGS): Likewise.
15281 (AM_YFLAGS): Renamed from YFLAGS.
15282
15283 Fix some MAX and MIN problems.
15284 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
15285 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
15286 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
15287 * src/reader.c (reader): Use it.
15288
15289 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
15290 POSIX 1003.1-2001 has removed fgrep.
15291
15292 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15293
15294 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
15295 interpreted as signed.
15296 * lib/ebitset.c (ebitset_list): Fix bug.
15297
15298 2002-10-01 Paul Eggert <eggert@twinsun.com>
15299
15300 More fixes for 64-bit hosts and large bitsets.
15301
15302 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
15303 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
15304 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
15305 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
15306 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
15307 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
15308 bitset_count_): Likewise.
15309 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
15310 bitset_first, bitset_last): Likewise.
15311 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
15312 bitset_stats_list_reverse, bitset_stats_size,
15313 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
15314 Likewise.
15315 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
15316 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
15317 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
15318 bitsetv_reflexive_transitive_closure): Likewise.
15319 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
15320 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
15321 Likewise.
15322 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
15323 Likewise.
15324
15325 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
15326 Use size_t, not unsigned int, to count bytes.
15327 * lib/abitset.h (abitset_bytes): Likewise.
15328 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
15329 Likewise.
15330 * lib/bitset.h (bitset_bytes): Likewise.
15331 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
15332 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
15333 * lib/bitsetv.c (bitsetv_alloc): Likewise.
15334 * lib/ebitset.c (ebitset_bytes): Likewise.
15335 * lib/ebitset.h (ebitset_bytes): Likewise.
15336 * lib/lbitset.c (lbitset_bytes): Likewise.
15337 * lib/lbitset.h (lbitset_bytes): Likewise.
15338
15339 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
15340 abitset_subset_p, abitset_disjoint_p, abitset_and,
15341 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
15342 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
15343 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
15344 abitset_or_and, abitset_or_and_cmp):
15345 Use bitset_windex instead of unsigned int.
15346 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
15347 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
15348 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
15349 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
15350 Likewise.
15351 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
15352
15353 * lib/bitset.c (bitset_print):
15354 Use proper printf formats for widths of integer types.
15355 * lib/bitset_stats.c (bitset_percent_histogram_print,
15356 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
15357 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
15358 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
15359 * lib/lbitset.c (lbitset_bytes): Likewise.
15360
15361 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
15362 BITSET_SIZE_MAX): New macros.
15363 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
15364 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
15365 to BITSET_WINDEX_MAX.
15366
15367 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
15368 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
15369 since we now return the bitset_bindex type (not int).
15370
15371 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
15372 when computing sizes.
15373 * lib/ebitset.c (ebitset_elts_grow): Likewise.
15374
15375 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
15376 and avoid cast to unsigned.
15377
15378 2002-09-30 Akim Demaille <akim@epita.fr>
15379
15380 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
15381 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
15382 Updates from Michael Hayes.
15383
15384 2002-09-30 Art Haas <ahaas@neosoft.com>
15385
15386 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
15387 invocations.
15388 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
15389 defined.
15390
15391 2002-09-27 Akim Demaille <akim@epita.fr>
15392
15393 Version 1.49c.
15394
15395 2002-09-27 Akim Demaille <akim@epita.fr>
15396
15397 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
15398 (Because of AC_LIBSOURCE).
15399
15400 2002-09-27 Akim Demaille <akim@epita.fr>
15401
15402 Playing with Autoscan.
15403
15404 * configure.ac: Remove the old LIBOBJ tweaks.
15405 (AC_REPLACE_FUNCS): Add strrchr and strtol.
15406 * lib/strrchr.c: New.
15407 * lib/strtol.c: New, from the Coreutils 4.5.1.
15408
15409 2002-09-27 Akim Demaille <akim@epita.fr>
15410
15411 Playing with Autoscan.
15412
15413 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
15414 * lib/Makefile.am (libbison_a_SOURCES): No longer include
15415 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
15416 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
15417 Coreutils 4.5.1.
15418
15419 2002-09-24 Akim Demaille <akim@epita.fr>
15420
15421 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
15422 (Frequently Asked Questions, Parser Stack Overflow): New.
15423
15424 2002-09-13 Akim Demaille <akim@epita.fr>
15425
15426 Playing with autoscan.
15427
15428 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
15429 * src/files.c (skeleton_find): Remove, unused.
15430 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
15431 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
15432
15433 2002-09-13 Akim Demaille <akim@epita.fr>
15434
15435 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
15436 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
15437
15438 2002-09-13 Akim Demaille <akim@epita.fr>
15439
15440 * configure.ac: Require 2.54.
15441 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
15442 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
15443 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
15444 Remove, provided by Autoconf macros.
15445
15446 2002-09-12 Akim Demaille <akim@epita.fr>
15447
15448 * m4/prereq.m4: Update, from Coreutils 4.5.1.
15449
15450 2002-09-12 Akim Demaille <akim@epita.fr>
15451
15452 * m4/prereq.m4: Update, from Fileutils 4.1.5.
15453 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
15454 Reported by Martin Mokrejs.
15455
15456 2002-09-10 Akim Demaille <akim@epita.fr>
15457
15458 * src/parse-gram.y: Associate a human readable string to each
15459 token type.
15460 * tests/regression.at (Invalid inputs): Adjust.
15461
15462 2002-09-10 Gary V. Vaughan <gary@gnu.org>
15463
15464 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
15465 with an Autoconf-2.5x style configure.ac.
15466
15467 2002-09-06 Paul Eggert <eggert@twinsun.com>
15468
15469 * doc/bison.texinfo (Conditions): Make explicit that the GPL
15470 exception applies only to yacc.c. This is a modification of a
15471 patch originally suggested by Akim Demaille.
15472
15473 2002-09-06 Akim Demaille <akim@epita.fr>
15474
15475 * data/c.m4 (b4_copyright): Move the GPL exception comment from
15476 here to...
15477 * data/yacc.c: here.
15478
15479 * data/lalr1.cc (struct yyltype): Don't define it, since we use
15480 LocationType.
15481 (b4_ltype): Default to yy::Location from location.hh.
15482
15483 2002-09-04 Jim Meyering <jim@meyering.net>
15484
15485 * data/yacc.c: Guard the declaration of yytoknum also with
15486 `#ifdef YYPRINT', so it is declared only when used.
15487
15488 2002-09-04 Akim Demaille <akim@epita.fr>
15489
15490 * configure.in: Rename as...
15491 * configure.ac: this.
15492 Bump to 1.49c.
15493
15494 2002-09-04 Akim Demaille <akim@epita.fr>
15495
15496 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
15497 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
15498 translate maintainer only messages.
15499
15500 2002-08-12 Paul Eggert <eggert@twinsun.com>
15501
15502 Version 1.49b.
15503
15504 * Makefile.am (SUBDIRS): Remove intl.
15505 (DISTCLEANFILES): Remove.
15506 * NEWS: Mention that GNU M4 is now required. Clarify what is
15507 meant by "larger grammars". Mention the pt_BR translation.
15508 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
15509 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
15510 Bump version from 0.11.2 to 0.11.5.
15511 (BISON_PREREQ_STAGE): Remove.
15512 (AM_GNU_GETTEXT): Use external gettext.
15513 (AC_OUTPUT): Remove intl/Makefile.
15514
15515 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
15516
15517 * data/glr.c: Include string.h, for strlen.
15518 (yyreportParseError): Use size_t for yysize.
15519 (yy_yypstack): No longer nested inside yypstates, as nested
15520 functions are not portable. Do not assume size_t is the
15521 same width as int.
15522 (yypstates): Do not assume that ptrdiff_t is the same width
15523 as int, and similarly for yyposn and YYINDEX.
15524
15525 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
15526
15527 * lib/Makefile.am (INCLUDES): Do not include from the intl
15528 directory, which has been removed.
15529 * src/Makefile.am (INCLUDES): Likewise.
15530
15531 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
15532 (bitsets_sources, additional_bitsets_sources, timevars_sources):
15533 New vars.
15534
15535 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
15536 * tests/Makefile.am (EXTRA_DIST): Likewise.
15537
15538 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
15539 Do not assume that bitset_windex is the same width as unsigned.
15540
15541 * lib/abitset.c (abitset_unused_clear): Do not assume that
15542 bitset_word is the same width as int.
15543 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
15544 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
15545 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
15546 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
15547 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
15548
15549 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
15550 portability to one's complement hosts!).
15551 * lib/ebitset.c (ebitset_op1): Likewise.
15552 * lib/lbitset.c (lbitset_op1): Likewise.
15553
15554 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
15555 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
15556 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
15557 Sync with fileutils.
15558 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
15559 lib/gettext.h: Sync with diffutils.
15560
15561 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
15562 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
15563
15564 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
15565 PROTOTYPES to check for prototypes, and "defined __STDC__" to
15566 check for void *.
15567
15568 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
15569 size_t; the old version tried to do this but casted improperly.
15570 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
15571 (bitset_test): Now returns int, not unsigned long.
15572
15573 * lib/bitset_stats.c: Include "gettext.h".
15574 (_): New macro.
15575 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
15576 name locals "index", as it generates unnecessary warnings on some
15577 hosts that have an "index" function.
15578
15579 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
15580 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
15581 they need translation.
15582 * src/LR0.c (state_list_append, new_itemsets, get_state,
15583 append_states, generate_states): Likewise.
15584 * src/assoc.c (assoc_to_string): Likewise.
15585 * src/closure.c (print_closure, set_firsts, closure): Likewise.
15586 * src/gram.c (grammar_dump): Likewise.
15587 * src/injections.c (injections_compute): Likewise.
15588 * src/lalr.c (lookaheads_print): Likewise.
15589 * src/relation.c (relation_transpose): Likewise.
15590 * src/scan-gram.l: Likewise.
15591 * src/tables.c (table_grow, pack_vector): Likewise.
15592
15593 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
15594 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
15595 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
15596 * m4/mbstate_t.m4: Sync with fileutils.
15597 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
15598
15599 * po/LINGUAS: Add pt_BR.
15600 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
15601 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
15602 lib/timevar.c.
15603 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
15604 manual recommends.
15605 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
15606
15607 * src/complain.c (strerror_r): Remove decl; not needed.
15608 (strerror): Use same pattern as ../lib/error.c.
15609
15610 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
15611
15612 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
15613
15614 * src/main.c (main): Cast result of bindtextdomain and textdomain
15615 to void, to avoid a GCC warning when --disable-nls is in effect.
15616
15617 * src/scan-gram.l: Use strings rather than escapes when possible,
15618 to minimize the number of warnings from xgettext.
15619 (handle_action_dollar, handle_action_at): Don't use isdigit,
15620 as it mishandles negative chars and it may not work as expected
15621 outside the C locale.
15622
15623 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
15624 this is a GCC extension and is not portable to other compilers.
15625
15626 * src/system.h (alloca): Use same pattern as ../lib/error.c.
15627 Do not include <ctype.h>; no longer needed.
15628 Do not include <malloc.h>; no longer needed (and generates
15629 warnings on OpenBSD 3.0).
15630
15631 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
15632 it's not portable.
15633
15634 * tests/regression.at: Do not use 'cc -c input.c -o input';
15635 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
15636
15637 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
15638 exit status as failure, not just exit status 1. Sun C exits
15639 with status 2 sometimes.
15640
15641 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
15642 Use it for the two large tests.
15643
15644 2002-08-02 Akim Demaille <akim@epita.fr>
15645
15646 * src/conflicts.c (conflicts_output): Don't output rules never
15647 reduced here, since anyway that computation doesn't work.
15648 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
15649 (rule_useless_p, rule_never_reduced_p): New.
15650 (grammar_rules_partial_print): Use a filter instead of a range.
15651 Display the title only if needed.
15652 (grammar_rules_print): Adjust.
15653 (grammar_rules_never_reduced_report): New.
15654 * src/tables.c (action_row): Move the computation of rules never
15655 reduced to...
15656 (token_actions): here.
15657 * src/main.c (main): Make the parser before making the report, so
15658 that rules never reduced are computed.
15659 Call grammar_rules_never_reduced_report.
15660 * src/print.c (print_results): Report rules never reduced.
15661 * tests/conflicts.at, tests/reduce.at: Adjust.
15662
15663 2002-08-01 Akim Demaille <akim@epita.fr>
15664
15665 Instead of attaching lookaheads and duplicating the rules being
15666 reduced by a state, attach the lookaheads to the reductions.
15667
15668 * src/state.h (state_t): Remove the `lookaheads',
15669 `lookaheads_rule' member.
15670 (reductions_t): Add a `lookaheads' member.
15671 Use a regular array for the `rules'.
15672 * src/state.c (reductions_new): Initialize the lookaheads member
15673 to 0.
15674 (state_rule_lookaheads_print): Adjust.
15675 * src/state.h, src/state.c (state_reductions_find): New.
15676 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
15677 (count_rr_conflicts): Adjust.
15678 * src/lalr.c (LArule): Remove.
15679 (add_lookback_edge): Adjust.
15680 (state_lookaheads_count): New.
15681 (states_lookaheads_initialize): Merge into...
15682 (initialize_LA): this.
15683 (lalr_free): Adjust.
15684 * src/main.c (main): Don't free nullable and derives too early: it
15685 is used by --verbose.
15686 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
15687
15688 2002-08-01 Akim Demaille <akim@epita.fr>
15689
15690 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
15691 `rule_number_t**'.
15692 (set_derives, free_derives): Rename as...
15693 (derives_compute, derives_free): this.
15694 Adjust all dependencies.
15695 * src/nullable.c (set_nullable, free_nullable): Rename as...
15696 (nullable_compute, nullable_free): these.
15697 (rule_list_t): Store rule_t *, not rule_number_t.
15698 * src/state.c (state_rule_lookaheads_print): Directly compare rule
15699 pointers, instead of their numbers.
15700 * src/main.c (main): Call nullable_free, and derives_free earlier,
15701 as they were lo longer used.
15702
15703 2002-08-01 Akim Demaille <akim@epita.fr>
15704
15705 * lib/timevar.c (get_time): Include children time.
15706 * src/lalr.h (LA, LArule): Don't export them: used with the
15707 state_t.
15708 * src/lalr.c (LA, LArule): Static.
15709 * src/lalr.h, src/lalr.c (lalr_free): New.
15710 * src/main.c (main): Call it.
15711 * src/tables.c (pack_vector): Check whether loc is >= to the
15712 table_size, not >.
15713 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
15714 (tables_generate): do it, since that's also it which allocates
15715 them.
15716 Don't free LA and LArule, main does.
15717
15718 2002-07-31 Akim Demaille <akim@epita.fr>
15719
15720 Separate parser tables computation and output.
15721
15722 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
15723 (conflict_list, conflict_list_cnt, table, check, table_ninf)
15724 (yydefgoto, yydefact, high): Move to...
15725 * src/tables.h, src/tables.c: here.
15726 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15727 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15728 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
15729 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
15730 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
15731 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
15732 (action_row, save_row, token_actions, save_column, default_goto)
15733 (goto_actions, sort_actions, matching_state, pack_vector)
15734 (table_ninf_remap, pack_table, prepare_actions): Move to...
15735 * src/tables.c: here.
15736 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
15737 * src/output.c (token_actions, output_base, output_conflicts)
15738 (output_check): Merge into...
15739 (prepare_actions): this.
15740 (actions_output): Rename as...
15741 (user_actions_output): this.
15742 * src/main.c (main): Call tables_generate and tables_free.
15743
15744 2002-07-31 Akim Demaille <akim@epita.fr>
15745
15746 Steal GCC's --time-report support.
15747
15748 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
15749 stolen/adjusted from GCC.
15750 * m4/stage.m4: Remove time related checks.
15751 * m4/timevar.m4: New.
15752 * configure.in: Adjust.
15753 * src/system.h: Adjust to using timevar.h.
15754 * src/getargs.h, src/getargs.c: Support trace_time for
15755 --trace=time.
15756 * src/main.c (stage): Remove.
15757 (main): Replace `stage' invocations with timevar calls.
15758 * src/output.c: Insert pertinent timevar calls.
15759
15760 2002-07-31 Akim Demaille <akim@epita.fr>
15761
15762 Let --trace have arguments.
15763
15764 * src/getargs.h (enum trace_e): New.
15765 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
15766 (long_options, short_options): --trace/-T takes an optional
15767 argument.
15768 Change all the uses of trace_flag to reflect the new flags.
15769 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
15770
15771 Strengthen `stage' portability.
15772
15773 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
15774 * configure.in: Use it.
15775 Don't check for malloc.h and sys/times.h.
15776 * src/system.h: Include them when appropriate.
15777 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
15778 times and struct tms are available.
15779
15780 2002-07-30 Akim Demaille <akim@epita.fr>
15781
15782 In verbose parse error message, don't report `error' as an
15783 expected token.
15784 * tests/actions.at (Printers and Destructors): Adjust.
15785 * tests/calc.at (Calculator $1): Adjust.
15786 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
15787 error message, do not report the parser accepts the error token in
15788 that state.
15789
15790 2002-07-30 Akim Demaille <akim@epita.fr>
15791
15792 Normalize conflict related messages.
15793
15794 * src/complain.h, src/complain.c (warn, complain): New.
15795 * src/conflicts.c (conflicts_print): Use them.
15796 (conflict_report_yacc): New, extracted from...
15797 (conflicts_print): here.
15798 * tests/conflicts.at, tests/existing.at: Adjust.
15799
15800 2002-07-30 Akim Demaille <akim@epita.fr>
15801
15802 Report rules which are never reduced by the parser: those hidden
15803 by conflicts.
15804
15805 * src/LR0.c (save_reductions): Don't make the final state too
15806 different: save its reduction (accept) instead of having a state
15807 without any action (no shift or goto, no reduce).
15808 Note: the final state is now a ``regular'' state, i.e., the
15809 parsers now contain `reduce 0' as default reduction.
15810 Nevertheless, since they decide to `accept' when yystate =
15811 final_state, they still will not reduce rule 0.
15812 * src/print.c (print_actions, print_reduction): Adjust.
15813 * src/output.c (action_row): Track reduced rules.
15814 (token_actions): Report rules never reduced.
15815 * tests/conflicts.at, tests/regression.at: Adjust.
15816
15817 2002-07-30 Akim Demaille <akim@epita.fr>
15818
15819 `stage' was accidently included in a previous patch.
15820 Initiate its autoconfiscation.
15821
15822 * configure.in: Look for malloc.h and sys/times.h.
15823 * src/main.c (stage): Adjust.
15824 Report only when trace_flag.
15825
15826 2002-07-29 Akim Demaille <akim@epita.fr>
15827
15828 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
15829 state_number_t.
15830 (errs_t): symbol_t*, not symbol_number_t.
15831 (reductions_t): rule_t*, not rule_number_t.
15832 (FOR_EACH_SHIFT): New.
15833 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
15834 * src/print.c, src/print_graph.c: Adjust.
15835
15836 2002-07-29 Akim Demaille <akim@epita.fr>
15837
15838 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
15839
15840 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
15841 (endtoken, accept): these.
15842 * src/reader.c (reader): Set endtoken's default tag to "$end".
15843 Set undeftoken's tag to "$undefined" instead of "$undefined.".
15844 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
15845 Adjust.
15846
15847 2002-07-29 Akim Demaille <akim@epita.fr>
15848
15849 * src/reduce.c (reduce_grammar): When the language is empty,
15850 complain about the start symbol, not the axiom.
15851 Use its location.
15852 * tests/reduce.at (Empty Language): New.
15853
15854 2002-07-26 Akim Demaille <akim@epita.fr>
15855
15856 * src/reader.h, src/reader.c (gram_error): ... can't get
15857 yycontrol without making too strong assumptions on the parser
15858 itself.
15859 * src/output.c (prepare_tokens): Use the real 0th value of
15860 token_translations instead of `0'.
15861 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
15862 visible here.
15863 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
15864 for the time being: %locations ought to provide it to yyerror.
15865
15866 2002-07-25 Akim Demaille <akim@epita.fr>
15867
15868 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
15869 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
15870 * tests/regression.at (Web2c Actions): Adjust.
15871
15872 2002-07-25 Akim Demaille <akim@epita.fr>
15873
15874 Stop storing rules from 1 to nrules + 1.
15875
15876 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
15877 * src/nullable.c, src/output.c, src/print.c, src/reader.c
15878 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
15879 Iterate from 0 to nrules.
15880 Use rule_number_as_item_number and item_number_as_rule_number.
15881 Adjust to `derive' now containing possibly 0.
15882 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
15883 Handle the `- 1' part in rule numbers from/to item numbers.
15884 * src/conflicts.c (log_resolution): Fix the message which reversed
15885 shift and reduce.
15886 * src/output.c (action_row): Initialize default_rule to -1.
15887 (token_actions): Adjust.
15888 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
15889 expected output.
15890 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
15891
15892 2002-07-25 Akim Demaille <akim@epita.fr>
15893
15894 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
15895 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
15896 (b4_c_knr_arg_decl): New.
15897 * data/yacc.c: Use it to define yysymprint, yydestruct, and
15898 yyreport_parse_error.
15899
15900 2002-07-25 Akim Demaille <akim@epita.fr>
15901
15902 * data/yacc.c (yyreport_parse_error): New, extracted from...
15903 (yyparse): here.
15904 (yydestruct, yysymprint): Move above yyparse.
15905 Be K&R compliant.
15906
15907 2002-07-25 Akim Demaille <akim@epita.fr>
15908
15909 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
15910 replace...
15911 (b4_sint_type, b4_uint_type): these.
15912 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
15913 * tests/regression.at (Web2c Actions): Adjust.
15914
15915 2002-07-25 Akim Demaille <akim@epita.fr>
15916
15917 * src/gram.h (TIEM_NUMBER_MAX): New.
15918 (item_number_of_rule_number, rule_number_of_item_number): Rename
15919 as...
15920 (rule_number_as_item_number, item_number_as_rule_number): these.
15921 Adjust dependencies.
15922 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15923 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15924 (symbol_number_to_vector_number): New.
15925 (order): Of vector_number_t* type.
15926 (base_t, BASE_MAX, BASE_MIN): New.
15927 (froms, tos, width, pos, check): Of base_t type.
15928 (action_number_t, ACTION_MIN, ACTION_MAX): New.
15929 (actrow): Of action_number_t type.
15930 (conflrow): Of unsigned int type.
15931 (table_ninf, base_ninf): New.
15932 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
15933 (muscle_insert_int_table, muscle_insert_base_table)
15934 (muscle_insert_rule_number_table): New.
15935 (prepare_tokens): Output `toknum' as int_table.
15936 (action_row): Returns a rule_number_t.
15937 Use ACTION_MIN, not SHRT_MIN.
15938 (token_actions): yydefact is rule_number_t*.
15939 (table_ninf_remap): New.
15940 (pack_table): Use it for `base' and `table'.
15941 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
15942 replaced with...
15943 (YYPACT_NINF, YYTABLE_NINF): these.
15944 (yypact, yytable): Compute their types instead of hard-coded
15945 `short'.
15946 * tests/regression.at (Web2c Actions): Adjust.
15947
15948 2002-07-19 Akim Demaille <akim@epita.fr>
15949
15950 * src/scan-gram.l (id): Can start with an underscore.
15951
15952 2002-07-16 Akim Demaille <akim@epita.fr>
15953
15954 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
15955 Adjust all former `associativity' dependencies.
15956 * src/symtab.c (symbol_new): Default associativity is `undef', not
15957 `right'.
15958 (symbol_check_alias_consistence): Adjust.
15959
15960 2002-07-09 Akim Demaille <akim@epita.fr>
15961
15962 * doc/bison.texinfo: Properly set the ``header'' part.
15963 Use @dircategory ``GNU programming tools'' as per Texinfo's
15964 documentation.
15965 Use @copying.
15966
15967 2002-07-09 Akim Demaille <akim@epita.fr>
15968
15969 * lib/quotearg.h: Protect against multiple inclusions.
15970 * src/location.h (location_t): Add a `file' member.
15971 (LOCATION_RESET, LOCATION_PRINT): Adjust.
15972 * src/complain.c (warn_at, complain_at, fatal_at): Drop
15973 `error_one_per_line' support.
15974
15975 2002-07-09 Akim Demaille <akim@epita.fr>
15976
15977 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
15978 * src/reader.c (lineno): Remove.
15979 Adjust all dependencies.
15980 (get_merge_function): Take a location and use complain_at.
15981 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
15982 * tests/regression.at (Invalid inputs, Mixing %token styles):
15983 Adjust.
15984
15985 2002-07-09 Akim Demaille <akim@epita.fr>
15986
15987 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
15988 recovery rule, and forbid extensions when --yacc.
15989 (gram_error): Use complain_at.
15990 * src/reader.c (reader): Exit if there were parse errors.
15991
15992 2002-07-09 Akim Demaille <akim@epita.fr>
15993
15994 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
15995 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
15996 Reported by R Blake <blakers@mac.com>.
15997
15998 2002-07-09 Akim Demaille <akim@epita.fr>
15999
16000 * data/yacc.c: Output the copyright notive in the header.
16001
16002 2002-07-03 Akim Demaille <akim@epita.fr>
16003
16004 * src/output.c (froms, tos): Are state_number_t.
16005 (save_column): sp, sp1, and sp2 are state_number_t.
16006 (prepare): Rename `final' as `final_state_number', `nnts' as
16007 `nterms_number', `nrules' as `rules_number', `nstates' as
16008 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
16009 unused.
16010 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
16011 * data/lalr1.cc (nsym_): Remove, unused.
16012
16013 2002-07-03 Akim Demaille <akim@epita.fr>
16014
16015 * src/lalr.h, src/lalr.c (goto_number_t): New.
16016 * src/lalr.c (goto_list_t): New.
16017 Propagate them.
16018 * src/nullable.c (rule_list_t): New.
16019 Propagate.
16020 * src/types.h: Remove.
16021
16022 2002-07-03 Akim Demaille <akim@epita.fr>
16023
16024 * src/closure.c (print_fderives): Use rule_rhs_print.
16025 * src/derives.c (print_derives): Use rule_rhs_print.
16026 (rule_list_t): New, replaces `shorts'.
16027 (set_derives): Add comments.
16028 * tests/sets.at (Nullable, Firsts): Adjust.
16029
16030 2002-07-03 Akim Demaille <akim@epita.fr>
16031
16032 * src/output.c (prepare_actions): Free `tally' and `width'.
16033 (prepare_actions): Allocate and free `order'.
16034 * src/symtab.c (symbols_free): Free `symbols'.
16035 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
16036 * src/output.c (m4_invoke): Move to...
16037 * src/scan-skel.l: here.
16038 (<<EOF>>): Close yyout, and free its name.
16039
16040 2002-07-03 Akim Demaille <akim@epita.fr>
16041
16042 Fix some memory leaks, and fix a bug: state 0 was examined twice.
16043
16044 * src/LR0.c (new_state): Merge into...
16045 (state_list_append): this.
16046 (new_states): Merge into...
16047 (generate_states): here.
16048 (set_states): Don't ensure a proper `errs' state member here, do it...
16049 * src/conflicts.c (conflicts_solve): here.
16050 * src/state.h, src/state.c: Comment changes.
16051 (state_t): Rename member `shifts' as `transitions'.
16052 Adjust all dependencies.
16053 (errs_new): For consistency, also take the values as argument.
16054 (errs_dup): Remove.
16055 (state_errs_set): New.
16056 (state_reductions_set, state_transitions_set): Assert that no
16057 previous value was assigned.
16058 (state_free): New.
16059 (states_free): Use it.
16060 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
16061 temporary storage: use `errs' and `nerrs' as elsewhere.
16062 (set_conflicts): Allocate and free this `errs'.
16063
16064 2002-07-02 Akim Demaille <akim@epita.fr>
16065
16066 * lib/libiberty.h: New.
16067 * lib: Update the bitset implementation from upstream.
16068 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
16069 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
16070 * src/main.c: Adjust bitset stats calls.
16071
16072 2002-07-01 Paul Eggert <eggert@twinsun.com>
16073
16074 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
16075 char, so that negative chars don't collide with $.
16076
16077 2002-06-30 Akim Demaille <akim@epita.fr>
16078
16079 Have the GLR tests be `warning' checked, and fix the warnings.
16080
16081 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
16082 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
16083 (yyremoveDeletes): `yyi' and `yyj' are size_t.
16084 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
16085 (yyaddDeferredAction): static.
16086 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
16087 (yyreportParseError): yyprefix is const.
16088 yytokenp is used only when verbose.
16089 (yy__GNUC__): Replace with __GNUC__.
16090 (yypdumpstack): yyi is size_t.
16091 (yypreference): Un-yy local variables and arguments, to avoid
16092 clashes with `yyr1'. Anyway, we are not in the user name space.
16093 (yytname_size): be an int, as is compared with ints.
16094 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
16095 Use them.
16096 * tests/cxx-gram.at: Use quotation to protect $1.
16097 Use AT_COMPILE to enable warnings hunts.
16098 Prototype yylex and yyerror.
16099 `Use' argc.
16100 Include `string.h', not `strings.h'.
16101 Produce and prototype stmtMerge only when used.
16102 yylex takes a location.
16103
16104 2002-06-30 Akim Demaille <akim@epita.fr>
16105
16106 We spend a lot of time in quotearg, in particular when --verbose.
16107
16108 * src/symtab.c (symbol_get): Store a quoted version of the key.
16109 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
16110 Adjust all callers.
16111
16112 2002-06-30 Akim Demaille <akim@epita.fr>
16113
16114 * src/state.h (reductions_t): Rename member `nreds' as num.
16115 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
16116 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
16117
16118 2002-06-30 Akim Demaille <akim@epita.fr>
16119
16120 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
16121 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
16122 (shifts_to): Rename as...
16123 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
16124 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
16125 (TRANSITION_IS_DISABLED, transitions_to): these.
16126
16127 2002-06-30 Akim Demaille <akim@epita.fr>
16128
16129 * src/print.c (print_shifts, print_gotos): Merge into...
16130 (print_transitions): this.
16131 (print_transitions, print_errs, print_reductions): Align the
16132 lookaheads columns.
16133 (print_core, print_transitions, print_errs, print_state,
16134 print_grammar): Output empty lines separator before, not after.
16135 (state_default_rule_compute): Rename as...
16136 (state_default_rule): this.
16137 * tests/conflicts.at (Defaulted Conflicted Reduction),
16138 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
16139 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
16140
16141 2002-06-30 Akim Demaille <akim@epita.fr>
16142
16143 Display items as we display rules.
16144
16145 * src/gram.h, src/gram.c (rule_lhs_print): New.
16146 * src/gram.c (grammar_rules_partial_print): Use it.
16147 * src/print.c (print_core): Likewise.
16148 * tests/conflicts.at (Defaulted Conflicted Reduction),
16149 (Unresolved SR Conflicts): Adjust.
16150 (Unresolved SR Conflicts): Adjust and rename as...
16151 (Resolved SR Conflicts): this, as was meant.
16152 * tests/regression.at (Web2c Report): Adjust.
16153
16154 2002-06-30 Akim Demaille <akim@epita.fr>
16155
16156 * src/print.c (state_default_rule_compute): New, extracted from...
16157 (print_reductions): here.
16158 Pessimize, but clarify the code.
16159 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
16160
16161 2002-06-30 Akim Demaille <akim@epita.fr>
16162
16163 * src/output.c (action_row): Let default_rule be always a rule
16164 number.
16165
16166 2002-06-30 Akim Demaille <akim@epita.fr>
16167
16168 * src/closure.c (print_firsts, print_fderives, closure):
16169 Use BITSET_EXECUTE.
16170 * src/lalr.c (lookaheads_print): Likewise.
16171 * src/state.c (state_rule_lookaheads_print): Likewise.
16172 * src/print_graph.c (print_core): Likewise.
16173 * src/print.c (print_reductions): Likewise.
16174 * src/output.c (action_row): Likewise.
16175 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
16176
16177 2002-06-30 Akim Demaille <akim@epita.fr>
16178
16179 * src/print_graph.c: Use report_flag.
16180
16181 2002-06-30 Akim Demaille <akim@epita.fr>
16182
16183 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
16184 to...
16185 * src/relation.h, src/relation.c (traverse, relation_digraph)
16186 (relation_print, relation_transpose): New.
16187
16188 2002-06-30 Akim Demaille <akim@epita.fr>
16189
16190 * src/state.h, src/state.c (shifts_to): New.
16191 * src/lalr.c (build_relations): Use it.
16192
16193 2002-06-30 Akim Demaille <akim@epita.fr>
16194
16195 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
16196 (item_number_of_rule_number, rule_number_of_item_number): New.
16197 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
16198 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
16199 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
16200 Propagate their use.
16201 Much remains to be done, in particular wrt `shorts' from types.h.
16202
16203 2002-06-30 Akim Demaille <akim@epita.fr>
16204
16205 * src/symtab.c (symbol_new): Initialize the `printer' member.
16206
16207 2002-06-30 Akim Demaille <akim@epita.fr>
16208
16209 * src/LR0.c (save_reductions): Remove, replaced by...
16210 * src/state.h, src/state.c (state_reductions_set): New.
16211 (reductions, errs): Rename as...
16212 (reductions_t, errs_t): these.
16213 Adjust all dependencies.
16214
16215 2002-06-30 Akim Demaille <akim@epita.fr>
16216
16217 * src/LR0.c (state_list_t, state_list_append): New.
16218 (first_state, last_state): Now symbol_list_t.
16219 (this_state): Remove.
16220 (new_itemsets, append_states, save_reductions): Take a state_t as
16221 argument.
16222 (set_states, generate_states): Adjust.
16223 (save_shifts): Remove, replaced by...
16224 * src/state.h, src/state.c (state_shifts_set): New.
16225 (shifts): Rename as...
16226 (shifts_t): this.
16227 Adjust all dependencies.
16228 * src/state.h (state_t): Remove the `next' member.
16229
16230 2002-06-30 Akim Demaille <akim@epita.fr>
16231
16232 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
16233 escaped in slot 0.
16234
16235 2002-06-30 Akim Demaille <akim@epita.fr>
16236
16237 Use hash.h for the state hash table.
16238
16239 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
16240 (allocate_storage): Use state_hash_new.
16241 (free_storage): Use state_hash_free.
16242 (new_state, get_state): Adjust.
16243 * src/lalr.h, src/lalr.c (states): Move to...
16244 * src/states.h (state_t): Remove the `link' member, no longer
16245 used.
16246 * src/states.h, src/states.c: here.
16247 (state_hash_new, state_hash_free, state_hash_lookup)
16248 (state_hash_insert, states_free): New.
16249 * src/states.c (state_table, state_compare, state_hash): New.
16250 * src/output.c (output_actions): Do not free states now, since we
16251 still need to know the final_state number in `prepare', called
16252 afterwards. Do it...
16253 * src/main.c (main): here: call states_free after `output'.
16254
16255 2002-06-30 Akim Demaille <akim@epita.fr>
16256
16257 * src/state.h, src/state.c (state_new): New, extracted from...
16258 * src/LR0.c (new_state): here.
16259 * src/state.h (STATE_ALLOC): Move to...
16260 * src/state.c: here.
16261 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
16262 * src/state.h, src/state.c: here.
16263
16264 2002-06-30 Akim Demaille <akim@epita.fr>
16265
16266 * src/reader.c (gensym): Rename as...
16267 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
16268 (getsym): Rename as...
16269 (symbol_get): this.
16270
16271 2002-06-30 Akim Demaille <akim@epita.fr>
16272
16273 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
16274 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
16275 * src/output.c, src/print.c, src/print_graph.c: Propagate.
16276 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
16277
16278 2002-06-30 Akim Demaille <akim@epita.fr>
16279
16280 Make the test suite pass with warnings checked.
16281
16282 * tests/actions.at (Printers and Destructors): Improve.
16283 Avoid unsigned vs. signed issues.
16284 * tests/calc.at: Don't exercise the scanner here, do it...
16285 * tests/input.at (Torturing the Scanner): here.
16286
16287 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16288
16289 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
16290 reorganize first lines parallel to yacc.c.
16291
16292 2002-06-28 Akim Demaille <akim@epita.fr>
16293
16294 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
16295 (b4_token_enum, b4_token_defines): New, factored from...
16296 * data/lalr1.cc, data/yacc.c, glr.c: here.
16297
16298 2002-06-28 Akim Demaille <akim@epita.fr>
16299
16300 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
16301 unused variables.
16302 * src/output.c (merger_output): static.
16303
16304 2002-06-28 Akim Demaille <akim@epita.fr>
16305
16306 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
16307 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
16308 pacify GCC.
16309 * src/output.c (save_row): Initialize all the variables to pacify GCC.
16310
16311 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16312
16313 Accumulated changelog for new GLR parsing features.
16314
16315 * src/conflicts.c (count_total_conflicts): Change name to
16316 conflicts_total_count.
16317 * src/conflicts.h: Ditto.
16318 * src/output.c (token_actions): Use the new name.
16319 (output_conflicts): Change conflp => conflict_list_heads, and
16320 confl => conflict_list for better readability.
16321 * data/glr.c: Use the new names.
16322 * NEWS: Add self to GLR announcement.
16323
16324 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
16325
16326 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
16327 Akim Demaille.
16328
16329 * data/bison.glr: Change name to glr.c
16330 * data/glr.c: Renamed from bison.glr.
16331 * data/Makefile.am: Add glr.c
16332
16333 * src/getargs.c:
16334
16335 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
16336 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
16337
16338 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16339
16340 * data/bison.glr: Be sure to restore the
16341 current #line when returning to the skeleton contents after having
16342 exposed the input file's #line.
16343
16344 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16345
16346 * data/bison.glr: Bring up to date with changes to bison.simple.
16347
16348 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16349
16350 * data/bison.glr: Correct definitions that use b4_prefix.
16351 Various reformatting.
16352 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
16353 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
16354 yytokenp argument; now part of stack.
16355 (yychar): Define to behave as documented.
16356 (yyclearin): Ditto.
16357
16358 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16359
16360 * src/reader.h: Add declaration for free_merger_functions.
16361
16362 * src/reader.c (merge_functions): New variable.
16363 (get_merge_function): New function.
16364 (free_merger_functions): New function.
16365 (readgram): Check for %prec that is not followed by a symbol.
16366 Handle %dprec and %merge declarations.
16367 (packgram): Initialize dprec and merger fields in rules array.
16368
16369 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
16370 conflict_list_cnt, conflict_list_free): New variables.
16371 (table_grow): Also grow conflict_table.
16372 (prepare_rules): Output dprec and merger tables.
16373 (conflict_row): New function.
16374 (action_row): Output conflict lists for GLR parser. Don't use
16375 default reduction in conflicted states for GLR parser so that there
16376 are spaces for the conflict lists.
16377 (save_row): Also save conflict information.
16378 (token_actions): Allocate conflict list.
16379 (merger_output): New function.
16380 (pack_vector): Pack conflict table, too.
16381 (output_conflicts): New function to output yyconflp and yyconfl.
16382 (output_check): Allocate conflict_tos.
16383 (output_actions): Output conflict tables, also.
16384 (output_skeleton): Output b4_mergers definition.
16385 (prepare): Output b4_max_rhs_length definition.
16386 Use 'bison.glr' as default skeleton for GLR parsers.
16387
16388 * src/gram.c (glr_parser): New flag.
16389 (grammar_free): Call free_merger_functions.
16390
16391 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
16392 all pairs of conflicting reductions, rather than just all tokens
16393 causing conflicts. Needed to size conflict tables.
16394 (conflicts_output): Modify call to count_rr_conflicts for new
16395 interface.
16396 (conflicts_print): Ditto.
16397 (count_total_conflicts): New function.
16398
16399 * src/reader.h (merger_list): New type.
16400 (merge_functions): New variable.
16401
16402 * src/lex.h (tok_dprec, tok_merge): New token types.
16403
16404 * src/gram.h (rule_s): Add dprec and merger fields.
16405 (glr_parser): New flag.
16406
16407 * src/conflicts.h (count_total_conflicts): New function.
16408
16409 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
16410
16411 * doc/bison.texinfo (Generalized LR Parsing): New section.
16412 (GLR Parsers): New section.
16413 (Language and Grammar): Mention GLR parsing.
16414 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
16415 Correct typo ("tge" -> "the").
16416
16417 * data/bison.glr: New skeleton for GLR parsing.
16418
16419 * tests/cxx-gram.at: New tests for GLR parsing.
16420
16421 * tests/testsuite.at: Include cxx-gram.at.
16422
16423 * tests/Makefile.am: Add cxx-gram.at.
16424
16425 * src/parse-gram.y:
16426
16427 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
16428
16429 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
16430
16431 2002-06-27 Akim Demaille <akim@epita.fr>
16432
16433 * src/options.h, src/options.c: Remove.
16434 * src/getargs.c (short_options, long_options): New.
16435
16436 2002-06-27 Akim Demaille <akim@epita.fr>
16437
16438 * data/bison.simple, data/bison.c++: Rename as...
16439 * data/yacc.c, data/lalr1.cc: these.
16440 * doc/bison.texinfo (Environment Variables): Remove.
16441
16442 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
16443
16444 * src/getargs.c (report_argmatch): Initialize strtok().
16445
16446 2002-06-20 Akim Demaille <akim@epita.fr>
16447
16448 * data/bison.simple (b4_symbol_actions): New, replaces...
16449 (b4_symbol_destructor, b4_symbol_printer): these.
16450 (yysymprint): Be sure to call YYPRINT only for tokens, and using
16451 user token numbers.
16452
16453 2002-06-20 Akim Demaille <akim@epita.fr>
16454
16455 * data/bison.simple (yydestructor): Rename as...
16456 (yydestruct): this.
16457
16458 2002-06-20 Akim Demaille <akim@epita.fr>
16459
16460 * src/symtab.h, src/symtab.c (symbol_type_set)
16461 (symbol_destructor_set, symbol_precedence_set): The location is
16462 the last argument.
16463 Adjust all callers.
16464
16465 2002-06-20 Akim Demaille <akim@epita.fr>
16466
16467 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
16468 internals.
16469 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
16470 Takes a location.
16471 * src/symtab.h, src/symtab.c (symbol_class_set)
16472 (symbol_user_token_number_set): Likewise.
16473 Adjust all callers.
16474 Promote complain_at.
16475 * tests/input.at (Type Clashes): Adjust.
16476
16477 2002-06-20 Akim Demaille <akim@epita.fr>
16478
16479 * data/bison.simple (YYLEX): Fix the declaration when
16480 %pure-parser.
16481
16482 2002-06-20 Akim Demaille <akim@epita.fr>
16483
16484 * data/bison.simple (yysymprint): Don't print the token number,
16485 just its name.
16486 * tests/actions.at (Destructors): Rename as...
16487 (Printers and Destructors): this.
16488 Also exercise %printer.
16489
16490 2002-06-20 Akim Demaille <akim@epita.fr>
16491
16492 * data/bison.simple (YYDSYMPRINT): New.
16493 Use it to remove many of the #if YYDEBUG/if (yydebug).
16494
16495 2002-06-20 Akim Demaille <akim@epita.fr>
16496
16497 * src/symtab.h, src/symtab.c (symbol_t): printer and
16498 printer_location are new members.
16499 (symbol_printer_set): New.
16500 * src/parse-gram.y (PERCENT_PRINTER): New token.
16501 Handle its associated rule.
16502 * src/scan-gram.l: Adjust.
16503 (handle_destructor_at, handle_destructor_dollar): Rename as...
16504 (handle_symbol_code_at, handle_symbol_code_dollar): these.
16505 * src/output.c (symbol_printers_output): New.
16506 (output_skeleton): Call it.
16507 * data/bison.simple (yysymprint): New. Cannot be named yyprint
16508 since there are already many grammar files with a user `yyprint'.
16509 Replace the calls to YYPRINT to calls to yysymprint.
16510 * tests/calc.at: Adjust.
16511 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
16512 taking advantage of parser very internal details (stack size!).
16513
16514 2002-06-20 Akim Demaille <akim@epita.fr>
16515
16516 * src/scan-gram.l: Complete the scanner with the missing patterns
16517 to pacify Flex.
16518 Use `quote' and `symbol_tag_get' where appropriate.
16519
16520 2002-06-19 Akim Demaille <akim@epita.fr>
16521
16522 * tests/actions.at (Destructors): Augment to test locations.
16523 * data/bison.simple (yydestructor): Pass it the current location
16524 if locations are enabled.
16525 Prototype only when __STDC__ or C++.
16526 Change the argument names to move into the yy name space: there is
16527 user code here.
16528
16529 2002-06-19 Akim Demaille <akim@epita.fr>
16530
16531 * data/bison.simple (b4_pure_if): New.
16532 Use it instead of #ifdef YYPURE.
16533
16534 2002-06-19 Akim Demaille <akim@epita.fr>
16535
16536 * data/bison.simple (b4_location_if): New.
16537 Use it instead of #ifdef YYLSP_NEEDED.
16538
16539 2002-06-19 Akim Demaille <akim@epita.fr>
16540
16541 Prepare @$ in %destructor, but currently don't bind it in the
16542 skeleton, as %location use is not cleaned up yet.
16543
16544 * src/scan-gram.l (handle_dollar, handle_destructor_at)
16545 (handle_action_at): New.
16546 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
16547 a braced_code_t and a location as additional arguments.
16548 (handle_destructor_dollar): Instead of requiring `b4_eval', just
16549 unquote one when outputting `b4_dollar_dollar'.
16550 Adjust callers.
16551 * data/bison.simple (b4_eval): Remove.
16552 (b4_symbol_destructor): Adjust.
16553 * tests/input.at (Invalid @n): Adjust.
16554
16555 2002-06-19 Zack Weinberg <zack@codesourcery.com>
16556
16557 * doc/bison.texinfo: Document ability to have multiple
16558 prologue sections.
16559
16560 2002-06-18 Akim Demaille <akim@epita.fr>
16561
16562 * src/files.c (compute_base_names): When computing the output file
16563 names from the input file name, strip the directory part.
16564
16565 2002-06-18 Akim Demaille <akim@epita.fr>
16566
16567 * data/bison.simple.new: Comment changes.
16568 Reported by Andreas Schwab.
16569
16570 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
16571
16572 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
16573 there are no `label `yyoverflowlab' defined but not used' warnings
16574 when yyoverflow is defined.
16575
16576 2002-06-18 Akim Demaille <akim@epita.fr>
16577
16578 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
16579 new member.
16580 (symbol_destructor_set): Adjust.
16581 * src/output.c (symbol_destructors_output): Output the destructor
16582 locations.
16583 Output the symbol name.
16584 * data/bison.simple (b4_symbol_destructor): Adjust.
16585
16586 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
16587 and Akim Demaille <akim@epita.fr>
16588
16589 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
16590 what's left on the stack when the error recovery hits EOF.
16591 * tests/actions.at (Destructors): Complete to exercise this case.
16592
16593 2002-06-17 Akim Demaille <akim@epita.fr>
16594
16595 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
16596 arguments is really empty, not only equal to `[]'.
16597 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
16598 member.
16599 (symbol_destructor_set): New.
16600 * src/output.c (symbol_destructors_output): New.
16601 * src/reader.h (brace_code_t, current_braced_code): New.
16602 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
16603 (handle_dollar): Rename as...
16604 (handle_action_dollar): this.
16605 (handle_destructor_dollar): New.
16606 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
16607 (grammar_declaration): Use it.
16608 * data/bison.simple (yystos): Is always defined.
16609 (yydestructor): New.
16610 * tests/actions.at (Destructors): New.
16611 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
16612
16613 2002-06-17 Akim Demaille <akim@epita.fr>
16614
16615 * src/symlist.h, src/symlist.c (symbol_list_length): New.
16616 * src/scan-gram.l (handle_dollar, handle_at): Compute the
16617 rule_length only when needed.
16618 * src/output.c (actions_output, token_definitions_output): Output
16619 the full M4 block.
16620 * src/symtab.c: Don't access directly to the symbol tag, use
16621 symbol_tag_get.
16622 * src/parse-gram.y: Use symbol_list_free.
16623
16624 2002-06-17 Akim Demaille <akim@epita.fr>
16625
16626 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
16627 (symbol_list_prepend, get_type_name): Move to...
16628 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
16629 (symbol_list_prepend, symbol_list_n_type_name_get): here.
16630 Adjust all callers.
16631 (symbol_list_free): New.
16632 * src/scan-gram.l (handle_dollar): Takes a location.
16633 * tests/input.at (Invalid $n): Adjust.
16634
16635 2002-06-17 Akim Demaille <akim@epita.fr>
16636
16637 * src/reader.h, src/reader.c (symbol_list_new): Export it.
16638 (symbol_list_prepend): New.
16639 * src/parse-gram.y (%union): `list' is a new member.
16640 (symbols.1): New, replaces...
16641 (terms_to_prec.1, nterms_to_type.1): these.
16642 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
16643 Take a location as additional argument.
16644 Adjust all callers.
16645
16646 2002-06-15 Akim Demaille <akim@epita.fr>
16647
16648 * src/parse-gram.y: Move %token in the declaration section so that
16649 we don't depend upon CVS Bison.
16650
16651 2002-06-15 Akim Demaille <akim@epita.fr>
16652
16653 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
16654 * src/print.c (print_core): Use it.
16655
16656 2002-06-15 Akim Demaille <akim@epita.fr>
16657
16658 * src/conflicts.c (log_resolution): Accept the rule involved in
16659 the sr conflicts instead of the lookahead number that points to
16660 that rule.
16661 (flush_reduce): Accept the current lookahead vector as argument,
16662 instead of the index in LA.
16663 (resolve_sr_conflict): Accept the current number of lookahead
16664 bitset to consider for the STATE, instead of the index in LA.
16665 (set_conflicts): Adjust.
16666 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
16667
16668 2002-06-15 Akim Demaille <akim@epita.fr>
16669
16670 * src/state.h (state_t): Replace the `lookaheadsp' member, a
16671 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
16672 Adjust all dependencies.
16673 * src/lalr.c (initialize_lookaheads): Split into...
16674 (states_lookaheads_count, states_lookaheads_initialize): these.
16675 (lalr): Adjust.
16676
16677 2002-06-15 Akim Demaille <akim@epita.fr>
16678
16679 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
16680 out of...
16681 (grammar_rules_print): here.
16682 * src/reduce.c (reduce_output): Use it.
16683 * tests/reduce.at (Useless Rules, Reduced Automaton)
16684 (Underivable Rules): Adjust.
16685
16686 2002-06-15 Akim Demaille <akim@epita.fr>
16687
16688 Copy BYacc's nice way to report the grammar.
16689
16690 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
16691 New.
16692 Don't print the rules' location, it is confusing and useless.
16693 (rule_print): Use grammar_rhs_print.
16694 * src/print.c (print_grammar): Use grammar_rules_print.
16695
16696 2002-06-15 Akim Demaille <akim@epita.fr>
16697
16698 Complete and rationalize `useless thing' warnings.
16699
16700 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
16701 (symbol_tag_print): New.
16702 Use them everywhere in place of accessing directly the tag member.
16703 * src/gram.h, src/gram.c (rule_print): New.
16704 Use it where a rule used to be printed `by hand'.
16705 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
16706 (reduce_grammar_tables): Report the useless rules.
16707 (reduce_print): Useless things are a warning, not an error.
16708 Report it as such.
16709 * tests/reduce.at (Useless Nonterminals, Useless Rules):
16710 (Reduced Automaton, Underivable Rules): Adjust.
16711 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
16712 * tests/conflicts.at (Unresolved SR Conflicts)
16713 (Solved SR Conflicts): Adjust.
16714
16715 2002-06-15 Akim Demaille <akim@epita.fr>
16716
16717 Let symbols have a location.
16718
16719 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
16720 (getsym): Adjust.
16721 Adjust all callers.
16722 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
16723 Use location_t, not int.
16724 * src/symtab.c (symbol_check_defined): Take advantage of the
16725 location.
16726 * tests/regression.at (Invalid inputs): Adjust.
16727
16728 2002-06-15 Akim Demaille <akim@epita.fr>
16729
16730 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
16731 (input): Don't try to initialize yylloc here, do it in the
16732 scanner.
16733 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
16734 * src/gram.h (rule_t): Change line and action_line into location
16735 and action_location, of location_t type.
16736 Adjust all dependencies.
16737 * src/location.h, src/location.c (empty_location): New.
16738 * src/reader.h, src/reader.c (grammar_start_symbol_set)
16739 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
16740 (grammar_current_rule_symbol_append)
16741 (grammar_current_rule_action_append): Expect a location as argument.
16742 * src/reader.c (grammar_midrule_action): Adjust to attach an
16743 action's location as dummy symbol location.
16744 * src/symtab.h, src/symtab.c (startsymbol_location): New.
16745 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
16746 the line numbers.
16747
16748 2002-06-14 Akim Demaille <akim@epita.fr>
16749
16750 Grammar declarations may be found in the grammar section.
16751
16752 * src/parse-gram.y (rules_or_grammar_declaration): New.
16753 (declarations): Each declaration may end with a semicolon, not
16754 just...
16755 (grammar_declaration): `"%union"'.
16756 (grammar): Branch to rules_or_grammar_declaration.
16757
16758 2002-06-14 Akim Demaille <akim@epita.fr>
16759
16760 * src/main.c (main): Invoke scanner_free.
16761
16762 2002-06-14 Akim Demaille <akim@epita.fr>
16763
16764 * src/output.c (m4_invoke): Extracted from...
16765 (output_skeleton): here.
16766 Free tempfile.
16767
16768 2002-06-14 Akim Demaille <akim@epita.fr>
16769
16770 * src/parse-gram.y (directives, directive, gram)
16771 (grammar_directives, precedence_directives, precedence_directive):
16772 Rename as...
16773 (declarations, declaration, grammar, grammar_declaration)
16774 (precedence_declaration, precedence_declarator): these.
16775 (symbol_declaration): New.
16776
16777 2002-06-14 Akim Demaille <akim@epita.fr>
16778
16779 * src/files.c (action_obstack): Remove, unused.
16780 (output_obstack): Remove it, and all its dependencies, as it is no
16781 longer needed.
16782 * src/reader.c (epilogue_set): Build the epilogue in the
16783 muscle_obstack.
16784 * src/output.h, src/output.c (muscle_obstack): Move to...
16785 * src/muscle_tab.h, src/muscle_tab.h: here.
16786 (muscle_init): Initialize muscle_obstack.
16787 (muscle_free): New.
16788 * src/main.c (main): Call it.
16789
16790 2002-06-14 Akim Demaille <akim@epita.fr>
16791
16792 * src/location.h: New, extracted from...
16793 * src/reader.h: here.
16794 * src/Makefile.am (noinst_HEADERS): Merge into
16795 (bison_SOURCES): this.
16796 Add location.h.
16797 * src/parse-gram.y: Use location_t instead of Bison's.
16798 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
16799 Use location_t instead of ints.
16800
16801 2002-06-14 Akim Demaille <akim@epita.fr>
16802
16803 * data/bison.simple, data/bison.c++: Be sure to restore the
16804 current #line when returning to the skeleton contents after having
16805 exposed the input file's #line.
16806
16807 2002-06-12 Akim Demaille <akim@epita.fr>
16808
16809 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
16810 eager.
16811 * tests/actions.at (Exotic Dollars): New.
16812
16813 2002-06-12 Akim Demaille <akim@epita.fr>
16814
16815 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
16816 ['"/] too eagerly.
16817 * tests/input.at (Torturing the Scanner): New.
16818
16819 2002-06-11 Akim Demaille <akim@epita.fr>
16820
16821 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
16822 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
16823 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
16824 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
16825 * src/reader.c (reader): Use it.
16826
16827 2002-06-11 Akim Demaille <akim@epita.fr>
16828
16829 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
16830 Adjust all callers.
16831 (scanner_last_string_free): New.
16832
16833 2002-06-11 Akim Demaille <akim@epita.fr>
16834
16835 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
16836 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
16837 (last_string, YY_OBS_FREE): New.
16838 Use them when returning an ID.
16839
16840 2002-06-11 Akim Demaille <akim@epita.fr>
16841
16842 Have Bison grammars parsed by a Bison grammar.
16843
16844 * src/reader.c, src/reader.h (prologue_augment): New.
16845 * src/reader.c (copy_definition): Remove.
16846
16847 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
16848 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
16849 (grammar_current_rule_prec_set, grammar_current_rule_check)
16850 (grammar_current_rule_symbol_append)
16851 (grammar_current_rule_action_append): Export.
16852 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
16853 (symbol_list_action_append): Remove.
16854 Hook the routines from reader.
16855 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
16856 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
16857
16858 * src/reader.c (read_declarations): Remove, unused.
16859
16860 * src/parse-gram.y: Handle the epilogue.
16861 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
16862 (grammar_start_symbol_set): this.
16863 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
16864 * src/reader.c (readgram): Remove, unused.
16865 (reader): Adjust to insert eoftoken and axiom where appropriate.
16866
16867 * src/reader.c (copy_dollar): Replace with...
16868 * src/scan-gram.h (handle_dollar): this.
16869 * src/parse-gram.y: Remove `%thong'.
16870
16871 * src/reader.c (copy_at): Replace with...
16872 * src/scan-gram.h (handle_at): this.
16873
16874 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
16875 New.
16876
16877 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
16878 time being.
16879
16880 * src/reader.h, src/reader.c (grammar_rule_end): New.
16881
16882 * src/parse.y (current_type, current_class): New.
16883 Implement `%nterm', `%token' support.
16884 Merge `%term' into `%token'.
16885 (string_as_id): New.
16886 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
16887 type name.
16888
16889 * src/parse-gram.y: Be sure to handle properly the beginning of
16890 rules.
16891
16892 * src/parse-gram.y: Handle %type.
16893 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
16894
16895 * src/parse-gram.y: More directives support.
16896 * src/options.c: No longer handle source directives.
16897
16898 * src/parse-gram.y: Fix %output.
16899
16900 * src/parse-gram.y: Handle %union.
16901 Use the prologue locations.
16902 * src/reader.c (parse_union_decl): Remove.
16903
16904 * src/reader.h, src/reader.c (epilogue_set): New.
16905 * src/parse-gram.y: Use it.
16906
16907 * data/bison.simple, data/bison.c++: b4_stype is now either not
16908 defined, then default to int, or to the contents of %union,
16909 without `union' itself.
16910 Adjust.
16911 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
16912
16913 * src/output.c (actions_output): Don't output braces, as they are
16914 already handled by the scanner.
16915
16916 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
16917 characters to themselves.
16918
16919 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
16920 that the epilogue has a proper #line.
16921
16922 * src/parse-gram.y: Handle precedence/associativity.
16923
16924 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
16925 a terminal.
16926 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
16927 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
16928 at all to define terminals that cannot be emitted.
16929
16930 * src/scan-gram.l: Escape M4 characters.
16931
16932 * src/scan-gram.l: Working properly with escapes in user
16933 strings/characters.
16934
16935 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
16936 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
16937 grammar.
16938 Use more modest sizes, as for the time being the parser does not
16939 release memory, and therefore the process swallows a huge amount
16940 of memory.
16941
16942 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
16943 stricter %token grammar.
16944
16945 * src/symtab.h (associativity): Add `undef_assoc'.
16946 (symbol_precedence_set): Do nothing when passed an undef_assoc.
16947 * src/symtab.c (symbol_check_alias_consistence): Adjust.
16948
16949 * tests/regression.at (Invalid %directive): Remove, as it is now
16950 meaningless.
16951 (Invalid inputs): Adjust to the new error messages.
16952 (Token definitions): The new grammar doesn't allow too many
16953 eccentricities.
16954
16955 * src/lex.h, src/lex.c: Remove.
16956 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
16957 (copy_character, copy_string2, copy_string, copy_identifier)
16958 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
16959 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
16960 (parse_action): Remove.
16961 * po/POTFILES.in: Adjust.
16962
16963 2002-06-11 Akim Demaille <akim@epita.fr>
16964
16965 * src/reader.c (parse_action): Don't store directly into the
16966 rule's action member: return the action as a string.
16967 Don't require `rule_length' as an argument: compute it.
16968 (grammar_current_rule_symbol_append)
16969 (grammar_current_rule_action_append): New, eved out from
16970 (readgram): here.
16971 Remove `action_flag', `rulelength', unused now.
16972
16973 2002-06-11 Akim Demaille <akim@epita.fr>
16974
16975 * src/reader.c (grammar_current_rule_prec_set).
16976 (grammar_current_rule_check): New, eved out from...
16977 (readgram): here.
16978 Remove `xaction', `first_rhs': useless.
16979 * tests/input.at (Type clashes): New.
16980 * tests/existing.at (GNU Cim Grammar): Adjust.
16981
16982 2002-06-11 Akim Demaille <akim@epita.fr>
16983
16984 * src/reader.c (grammar_midrule_action): New, Eved out from
16985 (readgram): here.
16986
16987 2002-06-11 Akim Demaille <akim@epita.fr>
16988
16989 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
16990 New.
16991 (readgram): Use them as replacement of inlined code, crule and
16992 crule1.
16993
16994 2002-06-11 Akim Demaille <akim@epita.fr>
16995
16996 * src/reader.c (grammar_end, grammar_symbol_append): New.
16997 (readgram): Use them.
16998 Make the use of `p' as local as possible.
16999
17000 2002-06-10 Akim Demaille <akim@epita.fr>
17001
17002 GCJ's parser requires the tokens to be defined before the prologue.
17003
17004 * data/bison.simple: Output the token definition before the user's
17005 prologue.
17006 * tests/regression.at (Braces parsing, Duplicate string)
17007 (Mixing %token styles): Check the output from bison.
17008 (Early token definitions): New.
17009
17010 2002-06-10 Akim Demaille <akim@epita.fr>
17011
17012 * src/symtab.c (symbol_user_token_number_set): Don't complain when
17013 assigning twice the same user number to a token, so that we can
17014 use it in...
17015 * src/lex.c (lex): here.
17016 Also use `symbol_class_set' instead of hand written code.
17017 * src/reader.c (parse_assoc_decl): Likewise.
17018
17019 2002-06-10 Akim Demaille <akim@epita.fr>
17020
17021 * src/symtab.c, src/symtab.c (symbol_class_set)
17022 (symbol_user_token_number_set): New.
17023 * src/reader.c (parse_token_decl): Use them.
17024 Use a switch instead of ifs.
17025 Use a single argument.
17026
17027 2002-06-10 Akim Demaille <akim@epita.fr>
17028
17029 Remove `%thong' support as it is undocumented, unused, duplicates
17030 `%token's job, and creates useless e-mail traffic with people who
17031 want to know what it is, why it is undocumented, unused, and
17032 duplicates `%token's job.
17033
17034 * src/reader.c (parse_thong_decl): Remove.
17035 * src/options.c (option_table): Remove "thong".
17036 * src/lex.h (tok_thong): Remove.
17037
17038 2002-06-10 Akim Demaille <akim@epita.fr>
17039
17040 * src/symtab.c, src/symtab.c (symbol_type_set)
17041 (symbol_precedence_set): New.
17042 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
17043 (value_components_used): Remove, unused.
17044
17045 2002-06-09 Akim Demaille <akim@epita.fr>
17046
17047 Move symbols handling code out of the reader.
17048
17049 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
17050 (axiom): Move to...
17051 * src/symtab.h, src/symtab.c: here.
17052
17053 * src/gram.c (start_symbol): Remove: use startsymbol->number.
17054 * src/reader.c (startval): Rename as...
17055 * src/symtab.h, src/symtab.c (startsymbol): this.
17056 * src/reader.c: Adjust.
17057
17058 * src/reader.c (symbol_check_defined, symbol_make_alias)
17059 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17060 (token_translations_init)
17061 Move to...
17062 * src/symtab.c: here.
17063 * src/reader.c (packsymbols): Move to...
17064 * src/symtab.h, src/symtab.c (symbols_pack): here.
17065 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
17066 argument.
17067
17068 2002-06-03 Akim Demaille <akim@epita.fr>
17069
17070 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
17071 then statements.
17072
17073 2002-06-03 Akim Demaille <akim@epita.fr>
17074
17075 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
17076 structs with non literals.
17077 * src/scan-skel.l: never-interactive.
17078 * src/conflicts.c (enum conflict_resolution_e): No trailing
17079 comma.
17080 * src/getargs.c (usage): Split long literal strings.
17081 Reported by Hans Aberg.
17082
17083 2002-05-28 Akim Demaille <akim@epita.fr>
17084
17085 * data/bison.c++: Use C++ ostreams.
17086 (cdebug_): New member.
17087
17088 2002-05-28 Akim Demaille <akim@epita.fr>
17089
17090 * src/output.c (output_skeleton): Be sure to allocate enough room
17091 for `/' _and_ for `\0' in full_skeleton.
17092
17093 2002-05-28 Akim Demaille <akim@epita.fr>
17094
17095 * data/bison.c++: Catch up with bison.simple:
17096 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17097 and Paul Eggert <eggert@twinsun.com>: `error' handing.
17098 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
17099 and popping traces.
17100
17101 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17102
17103 * src/output.c (output_skeleton): Put an explicit path in front of
17104 the skeleton file name, rather than relying on the -I directory,
17105 to partially alleviate effects of having a skeleton file lying around
17106 in the current directory.
17107
17108 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17109
17110 * src/conflicts.c (log_resolution): Correct typo:
17111 obstack_printf should be obstack_fgrow1.
17112
17113 2002-05-26 Akim Demaille <akim@epita.fr>
17114
17115 * src/state.h (state_t): `solved_conflicts' is a new member.
17116 * src/LR0.c (new_state): Set it to 0.
17117 * src/conflicts.h, src/conflicts.c (print_conflicts)
17118 (free_conflicts, solve_conflicts): Rename as...
17119 (conflicts_print, conflicts_free, conflicts_solve): these.
17120 Adjust callers.
17121 * src/conflicts.c (enum conflict_resolution_e)
17122 (solved_conflicts_obstack): New, used by...
17123 (log_resolution): this.
17124 Adjust to attach the conflict resolution to each state.
17125 Complete the description with the precedence/associativity
17126 information.
17127 (resolve_sr_conflict): Adjust.
17128 * src/print.c (print_state): Output its solved_conflicts.
17129 * tests/conflicts.at (Unresolved SR Conflicts)
17130 (Solved SR Conflicts): Exercise --report=all.
17131
17132 2002-05-26 Akim Demaille <akim@epita.fr>
17133
17134 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
17135 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17136 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
17137 (token_number_t, item_number_as_token_number)
17138 (token_number_as_item_number, muscle_insert_token_number_table):
17139 Rename as...
17140 (symbol_number_t, item_number_as_symbol_number)
17141 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
17142 these, since it is more appropriate.
17143
17144 2002-05-26 Akim Demaille <akim@epita.fr>
17145
17146 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
17147 `Error:' lines.
17148 * data/bison.simple (yystos) [YYDEBUG]: New.
17149 (yyparse) [YYDEBUG]: Display the symbols which are popped during
17150 error recovery.
17151 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
17152
17153 2002-05-25 Akim Demaille <akim@epita.fr>
17154
17155 * doc/bison.texinfo (Debugging): Split into...
17156 (Tracing): this new section, its former contents, and...
17157 (Understanding): this new section.
17158 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
17159 by...
17160 (report_flag): this.
17161 Adjust all dependencies.
17162 (report_args, report_types, report_argmatch): New.
17163 (usage, getargs): Report/support -r, --report.
17164 * src/options.h
17165 (struct option_table_struct): Rename as..,
17166 (struct option_table_s): this.
17167 Rename the `set_flag' member to `flag' to match with getopt_long's
17168 struct.
17169 * src/options.c (option_table): Split verbose into an entry for
17170 %verbose, and another for --verbose.
17171 Support --report/-r, so remove -r from the obsolete --raw.
17172 * src/print.c: Attach full item sets and lookaheads reports to
17173 report_flag instead of trace_flag.
17174 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
17175
17176 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17177 and Paul Eggert <eggert@twinsun.com>
17178
17179 * data/bison.simple (yyparse): Correct error handling to conform to
17180 POSIX and yacc. Specifically, after syntax error is discovered,
17181 do not reduce further before shifting the error token.
17182 Clean up the code a bit by removing the labels yyerrdefault,
17183 yyerrhandle, yyerrpop.
17184 * NEWS: Document the above.
17185
17186 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17187
17188 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
17189 type; it isn't always big enough, since it doesn't necessarily
17190 include non-terminals.
17191 (yytranslate): Expand definition of yy_token_number_type, so that
17192 the latter can be removed.
17193 (yy_token_number_type): Remove, only one use.
17194 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
17195 don't use TokenNumberType as element type.
17196
17197 * tests/regression.at: Modify expected output to agree with change
17198 to yyr1 and yytranslate.
17199
17200 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
17201
17202 * src/reader.c (parse_action): Use copy_character instead of
17203 obstack_1grow.
17204
17205 2002-05-13 Akim Demaille <akim@epita.fr>
17206
17207 * tests/regression.at (Token definitions): Prototype yylex and
17208 yyerror.
17209
17210 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17211
17212 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
17213 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
17214 32-bit arithmetic.
17215 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
17216
17217 2002-05-07 Akim Demaille <akim@epita.fr>
17218
17219 * tests/synclines.at: Be sure to prototype yylex and yyerror to
17220 avoid GCC warnings.
17221
17222 2002-05-07 Akim Demaille <akim@epita.fr>
17223
17224 Kill GCC warnings.
17225
17226 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
17227 over the RHS of each rule.
17228 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
17229 * src/state.h (state_t): Member `nitems' is unsigned short.
17230 * src/LR0.c (get_state): Adjust.
17231 * src/reader.c (packgram): Likewise.
17232 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
17233 `Type'.
17234 (muscle_insert_int_table): Remove, unused.
17235 (prepare_rules): Remove `max'.
17236
17237 2002-05-06 Akim Demaille <akim@epita.fr>
17238
17239 * src/closure.c (print_firsts): Display of the symbol tags.
17240 (bitmatrix_print): Move to...
17241 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
17242 here.
17243 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
17244
17245 2002-05-06 Akim Demaille <akim@epita.fr>
17246
17247 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
17248 hash_do_for_each.
17249
17250 2002-05-06 Akim Demaille <akim@epita.fr>
17251
17252 * src/LR0.c (new_state, get_state): Instead of using the global
17253 `kernel_size' and `kernel_base', have two new arguments:
17254 `core_size' and `core'.
17255 Adjust callers.
17256
17257 2002-05-06 Akim Demaille <akim@epita.fr>
17258
17259 * src/reader.c (packgram): No longer end `ritem' with a 0
17260 sentinel: it is not used.
17261
17262 2002-05-05 Akim Demaille <akim@epita.fr>
17263
17264 New experimental feature: display the lookaheads in the report and
17265 graph.
17266
17267 * src/print (print_core): When --trace-flag, display the rules
17268 lookaheads.
17269 * src/print_graph.c (print_core): Likewise.
17270 Swap the arguments.
17271 Adjust caller.
17272
17273 2002-05-05 Akim Demaille <akim@epita.fr>
17274
17275 * tests/torture.at (Many lookaheads): New test.
17276
17277 2002-05-05 Akim Demaille <akim@epita.fr>
17278
17279 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
17280 (GENERATE_MUSCLE_INSERT_TABLE): this.
17281 (output_int_table, output_unsigned_int_table, output_short_table)
17282 (output_token_number_table, output_item_number_table): Replace with...
17283 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
17284 (muscle_insert_short_table, muscle_insert_token_number_table)
17285 (muscle_insert_item_number_table): these.
17286 Adjust all callers.
17287 (prepare_tokens): Don't free `translations', since...
17288 * src/reader.h, src/reader.c (grammar_free): do it.
17289 Move to...
17290 * src/gram.h, src/gram.c (grammar_free): here.
17291 * data/bison.simple, data/bison.c++: b4_token_number_max is now
17292 b4_translate_max.
17293
17294 2002-05-05 Akim Demaille <akim@epita.fr>
17295
17296 * src/output.c (output_unsigned_int_table): New.
17297 (prepare_rules): `i' is unsigned.
17298 `prhs', `rline', `r2' are unsigned int.
17299 Rename muscle `rhs_number_max' as `rhs_max'.
17300 Output muscles `prhs_max', `rline_max', and `r2_max'.
17301 Free rline and r1.
17302 * data/bison.simple, data/bison.c++: Adjust to use these muscles
17303 to compute types instead of constant types.
17304 * tests/regression.at (Web2c Actions): Adjust.
17305
17306 2002-05-04 Akim Demaille <akim@epita.fr>
17307
17308 * src/symtab.h (SALIAS, SUNDEF): Rename as...
17309 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
17310 Adjust dependencies.
17311 * src/output.c (token_definitions_output): Be sure not to output a
17312 `#define 'a'' when fed with `%token 'a' "a"'.
17313 * tests/regression.at (Token definitions): New.
17314
17315 2002-05-03 Paul Eggert <eggert@twinsun.com>
17316
17317 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
17318 for K&R C.
17319
17320 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
17321
17322 * Makefile.am (SUBDIRS): Remove intl.
17323 (EXTRA_DIST): Add config/config.rpath.
17324
17325 2002-05-03 Akim Demaille <akim@epita.fr>
17326
17327 * data/bison.simple (m4_if): Don't output empty enums.
17328 And actually, output valid enum definitions :(.
17329
17330 2002-05-03 Akim Demaille <akim@epita.fr>
17331
17332 * configure.bat: Remove, completely obsolete.
17333 * Makefile.am (EXTRA_DIST): Adjust.
17334 Don't distribute config.rpath...
17335 * config/Makefile.am (EXTRA_DIST): Do it.
17336
17337 2002-05-03 Akim Demaille <akim@epita.fr>
17338
17339 * configure.in (GETTEXT_VERSION): New.
17340 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
17341
17342 2002-05-03 Akim Demaille <akim@epita.fr>
17343
17344 * data/bison.simple (b4_token_enum): New.
17345 (b4_token_defines): Use it to output tokens both as #define and
17346 enums.
17347 Suggested by Paul Eggert.
17348 * src/output.c (token_definitions_output): Don't output spurious
17349 white spaces.
17350
17351 2002-05-03 Akim Demaille <akim@epita.fr>
17352
17353 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17354
17355 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
17356
17357 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
17358 Update the stack class, give a try to deque as the default container.
17359
17360 2002-05-02 Akim Demaille <akim@epita.fr>
17361
17362 * data/bison.simple (yyparse): Do not implement @$ = @1.
17363 (YYLLOC_DEFAULT): Adjust to do it.
17364 * doc/bison.texinfo (Location Default Action): Fix.
17365
17366 2002-05-02 Akim Demaille <akim@epita.fr>
17367
17368 * src/reader.c (parse_braces): Merge into...
17369 (parse_action): this.
17370
17371 2002-05-02 Akim Demaille <akim@epita.fr>
17372
17373 * configure.in (ALL_LINGUAS): Remove.
17374 * po/LINGUAS, hr.po: New.
17375
17376 2002-05-02 Akim Demaille <akim@epita.fr>
17377
17378 Remove the so called hairy (semantic) parsers.
17379
17380 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
17381 * src/gram.h, src/gram.c (semantic_parser): Remove.
17382 (rule_t): Remove the guard and guard_line members.
17383 * src/lex.h (token_t): remove tok_guard.
17384 * src/options.c (option_table): Remove %guard and %semantic_parser
17385 support.
17386 * src/output.c, src/output.h (guards_output): Remove.
17387 (prepare): Adjust.
17388 (token_definitions_output): Don't output the `T'
17389 tokens (???).
17390 (output_skeleton): Don't output the guards.
17391 * src/files.c, src/files.c (attrsfile): Remove.
17392 * src/reader.c (symbol_list): Remove the guard and guard_line
17393 members.
17394 Adjust dependencies.
17395 (parse_guard): Remove.
17396 * data/bison.hairy: Remove.
17397 * doc/bison.texinfo (Environment Variables): Remove occurrences of
17398 BISON_HAIRY.
17399
17400 2002-05-02 Akim Demaille <akim@epita.fr>
17401
17402 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
17403 (parse_guard): Rename the formal argument `stack_offset' as
17404 `rule_length', which is more readable.
17405 Adjust callers.
17406 (copy_at, copy_dollar): Instead of outputting the hard coded
17407 values of $$, $n and so forth, output invocation to b4_lhs_value,
17408 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
17409 Note: this patch partially drops `semantic-parser' support: it
17410 always does `rule_length - n', where semantic parsers ought to
17411 always use `-n'.
17412 * data/bison.simple, data/bison.c++ (b4_lhs_value)
17413 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
17414
17415 2002-05-02 Akim Demaille <akim@epita.fr>
17416
17417 * configure.in (AC_INIT): Bump to 1.49b.
17418 (AM_INIT_AUTOMAKE): Short invocation.
17419
17420 2002-05-02 Akim Demaille <akim@epita.fr>
17421
17422 Version 1.49a.
17423
17424 2002-05-01 Akim Demaille <akim@epita.fr>
17425
17426 * src/skeleton.h: Remove.
17427
17428 2002-05-01 Akim Demaille <akim@epita.fr>
17429
17430 * src/skeleton.h: Fix the #endif.
17431 Reported by Magnus Fromreide.
17432
17433 2002-04-26 Paul Eggert <eggert@twinsun.com>
17434
17435 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
17436 Define if we define YYSTYPE and YYLTYPE, respectively.
17437 (YYCOPY): Fix [] quoting problem in the non-GCC case.
17438
17439 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
17440
17441 * src/scan-skel.l: Postprocess quadrigraphs.
17442
17443 * src/reader.c (copy_character): New function, used to output
17444 single characters while replacing `[' and `]' with quadrigraphs, to
17445 avoid troubles with M4 quotes.
17446 (copy_comment): Output characters with copy_character.
17447 (read_additionnal_code): Likewise.
17448 (copy_string2): Likewise.
17449 (copy_definition): Likewise.
17450
17451 * tests/calc.at: Exercise M4 quoting.
17452
17453 2002-04-25 Akim Demaille <akim@epita.fr>
17454
17455 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
17456 between `!' and the command.
17457 Reported by Paul Eggert.
17458
17459 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
17460
17461 * tests/calc.at: Exercise prologue splitting.
17462
17463 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
17464 `b4_post_prologue' instead of `b4_prologue'.
17465
17466 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
17467 muscles.
17468 (output): Free pre_prologue_obstack and post_prologue_obstack.
17469 * src/files.h, src/files.c (attrs_obstack): Remove.
17470 (pre_prologue_obstack, post_prologue_obstack): New.
17471 * src/reader.c (copy_definition): Add a parameter to specify the
17472 obstack to fill, instead of using attrs_obstack unconditionally.
17473 (read_declarations): Pass pre_prologue_obstack to copy_definition if
17474 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
17475
17476 2002-04-23 Paul Eggert <eggert@twinsun.com>
17477
17478 * data/bison.simple: Remove unnecessary commentary and white
17479 space differences from 1_29-branch.
17480 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
17481
17482 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
17483 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
17484 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
17485 constructors or destructors.
17486
17487 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
17488
17489 2002-04-23 Akim Demaille <akim@epita.fr>
17490
17491 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
17492 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
17493 location with columns.
17494 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
17495 All reported by Paul Eggert.
17496
17497 2002-04-22 Akim Demaille <akim@epita.fr>
17498
17499 * src/reduce.c (dump_grammar): Move to...
17500 * src/gram.h, src/gram.c (grammar_dump): here.
17501 Be sure to separate long item numbers.
17502 Don't read the members of a rule's prec if its nil.
17503
17504 2002-04-22 Akim Demaille <akim@epita.fr>
17505
17506 * src/output.c (table_size, table_grow): New.
17507 (MAXTABLE): Remove, replace uses with table_size.
17508 (pack_vector): Instead of dying when the table is too big, grow it.
17509
17510 2002-04-22 Akim Demaille <akim@epita.fr>
17511
17512 * data/bison.simple (yyr1): Its type is that of a token number.
17513 * data/bison.c++ (r1_): Likewise.
17514 * tests/regression.at (Web2c Actions): Adjust.
17515
17516 2002-04-22 Akim Demaille <akim@epita.fr>
17517
17518 * src/reader.c (token_translations_init): 256 is now the default
17519 value for the error token, i.e., it will be assigned another
17520 number if the user assigned 256 to one of her tokens.
17521 (reader): Don't force 256 to error.
17522 * doc/bison.texinfo (Symbols): Adjust.
17523 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
17524 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
17525 etc. instead of 10, 20, 30 (which was used to `jump' over error
17526 (256) and undefined (2)).
17527
17528 2002-04-22 Akim Demaille <akim@epita.fr>
17529
17530 Propagate more token_number_t.
17531
17532 * src/gram.h (token_number_as_item_number)
17533 (item_number_as_token_number): New.
17534 * src/output.c (GENERATE_OUTPUT_TABLE): New.
17535 Use it to create output_item_number_table and
17536 output_token_number_table.
17537 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
17538 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
17539 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
17540 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
17541
17542 2002-04-22 Akim Demaille <akim@epita.fr>
17543
17544 * src/output.h, src/output.c (get_lines_number): Remove.
17545
17546 2002-04-19 Akim Demaille <akim@epita.fr>
17547
17548 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
17549 as Lex/Flex'.
17550 (Debugging): More details about enabling the debugging features.
17551 (Table of Symbols): Describe $$, $n, @$, and @n.
17552 Suggested by Tim Josling.
17553
17554 2002-04-19 Akim Demaille <akim@epita.fr>
17555
17556 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
17557
17558 2002-04-10 Akim Demaille <akim@epita.fr>
17559
17560 * src/system.h: Rely on HAVE_LIMITS_H.
17561 Suggested by Paul Eggert.
17562
17563 2002-04-09 Akim Demaille <akim@epita.fr>
17564
17565 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
17566 full stderr, and strip it according to the bison options, instead
17567 of composing the error message from different bits.
17568 This makes it easier to check for several error messages.
17569 Adjust all the invocations.
17570 Add an invocation exercising the error token.
17571 Add an invocation demonstrating a stupid error message.
17572 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
17573 Adjust the tests.
17574 Error message are for stderr, not stdout.
17575
17576 2002-04-09 Akim Demaille <akim@epita.fr>
17577
17578 * src/gram.h, src/gram.c (error_token_number): Remove, use
17579 errtoken->number.
17580 * src/reader.c (reader): Don't specify the user token number (2)
17581 for $undefined, as it uselessly prevents using it.
17582 * src/gram.h (token_number_t): Move to...
17583 * src/symtab.h: here.
17584 (state_t.number): Is a token_number_t.
17585 * src/print.c, src/reader.c: Use undeftoken->number instead of
17586 hard coded 2.
17587 (Even though this 2 is not the same as above: the number of the
17588 undeftoken remains being 2, it is its user token number which
17589 might not be 2).
17590 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
17591 `user_token_number_max'.
17592 Output `undef_token_number'.
17593 * data/bison.simple, data/bison.c++: Use them.
17594 Be sure to map invalid yylex return values to
17595 `undef_token_number'. This saves us from gratuitous SEGV.
17596
17597 * tests/conflicts.at (Solved SR Conflicts)
17598 (Unresolved SR Conflicts): Adjust.
17599 * tests/regression.at (Web2c Actions): Adjust.
17600
17601 2002-04-08 Akim Demaille <akim@epita.fr>
17602
17603 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
17604 Adding #line.
17605 Remove the duplicate `typedefs'.
17606 (RhsNumberType): Fix the declaration and various other typos.
17607 Use __ofile__.
17608 * data/bison.simple: Use __ofile__.
17609 * src/scan-skel.l: Handle __ofile__.
17610
17611 2002-04-08 Akim Demaille <akim@epita.fr>
17612
17613 * src/gram.h (item_number_t): New, the type of item numbers in
17614 RITEM. Note that it must be able to code symbol numbers as
17615 positive number, and the negation of rule numbers as negative
17616 numbers.
17617 Adjust all dependencies (pretty many).
17618 * src/reduce.c (rule): Remove this `short *' pointer: use
17619 item_number_t.
17620 * src/system.h (MINSHORT, MAXSHORT): Remove.
17621 Include `limits.h'.
17622 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
17623 (shortcpy): Remove.
17624 (MAXTABLE): Move to...
17625 * src/output.c (MAXTABLE): here.
17626 (prepare_rules): Use output_int_table to output rhs.
17627 * data/bison.simple, data/bison.c++: Adjust.
17628 * tests/torture.at (Big triangle): Move the limit from 254 to
17629 500.
17630 * tests/regression.at (Web2c Actions): Ajust.
17631
17632 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
17633 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
17634 passes, but produces negative #line number, once fixed, GCC is
17635 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
17636 C), it passes.
17637 * src/state.h (state_h): Code input lines on ints, not shorts.
17638
17639 2002-04-08 Akim Demaille <akim@epita.fr>
17640
17641 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
17642 and then the grammar.
17643
17644 2002-04-08 Akim Demaille <akim@epita.fr>
17645
17646 * src/system.h: No longer using strndup.
17647
17648 2002-04-07 Akim Demaille <akim@epita.fr>
17649
17650 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
17651 * src/output.c (output_table_data): Return the longest number.
17652 (prepare_tokens): Output `token_number_max').
17653 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
17654 New.
17655 Use them to define yy_token_number_type/TokenNumberType.
17656 Use this type for yytranslate.
17657 * tests/torture.at (Big triangle): Push the limit from 124 to
17658 253.
17659 * tests/regression.at (Web2c Actions): Adjust.
17660
17661 2002-04-07 Akim Demaille <akim@epita.fr>
17662
17663 * tests/torture.at (Big triangle): New.
17664 (GNU AWK Grammar, GNU Cim Grammar): Move to...
17665 * tests/existing.at: here.
17666
17667 2002-04-07 Akim Demaille <akim@epita.fr>
17668
17669 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
17670 nritems.
17671 Adjust dependencies.
17672
17673 2002-04-07 Akim Demaille <akim@epita.fr>
17674
17675 * src/reader.c: Normalize increments to prefix form.
17676
17677 2002-04-07 Akim Demaille <akim@epita.fr>
17678
17679 * src/reader.c, symtab.c: Remove debugging code.
17680
17681 2002-04-07 Akim Demaille <akim@epita.fr>
17682
17683 Rename all the `bucket's as `symbol_t'.
17684
17685 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
17686 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
17687 * src/symtab.c, src/symtab.h (bucket): Rename as...
17688 (symbol_t): this.
17689 (symbol_list_new, bucket_check_defined, bucket_make_alias)
17690 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
17691 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17692 (buckets_new, buckets_free, buckets_do): Rename as...
17693 (symbol_list_new, symbol_check_defined, symbol_make_alias)
17694 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17695 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
17696 (symbols_new, symbols_free, symbols_do): these.
17697
17698 2002-04-07 Akim Demaille <akim@epita.fr>
17699
17700 Use lib/hash for the symbol table.
17701
17702 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
17703 EOF.
17704 * src/lex.c (lex): Set the `number' member of new terminals.
17705 * src/reader.c (bucket_check_defined, bucket_make_alias)
17706 (bucket_check_alias_consistence, bucket_translation): New.
17707 (reader, grammar_free, readgram, token_translations_init)
17708 (packsymbols): Adjust.
17709 (reader): Number the predefined tokens.
17710 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
17711 for predefined tokens.
17712 * src/symtab.h (bucket): Remove all the hash table related
17713 members.
17714 * src/symtab.c (symtab): Replace by...
17715 (bucket_table): this.
17716 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17717 (buckets_new, buckets_do): New.
17718
17719 2002-04-07 Akim Demaille <akim@epita.fr>
17720
17721 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
17722 (start_symbol, max_user_token_number, semantic_parser)
17723 (error_token_number): Initialize.
17724 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
17725 Initialize.
17726 (reader): Don't.
17727 (errtoken, eoftoken, undeftoken, axiom): Extern.
17728
17729 2002-04-07 Akim Demaille <akim@epita.fr>
17730
17731 * src/gram.h (rule_s): prec and precsym are now pointers
17732 to the bucket giving the priority/associativity.
17733 Member `associativity' removed: useless.
17734 * src/reduce.c, src/conflicts.c: Adjust.
17735
17736 2002-04-07 Akim Demaille <akim@epita.fr>
17737
17738 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
17739 Properly escape the symbols' TAG when outputting them.
17740
17741 2002-04-07 Akim Demaille <akim@epita.fr>
17742
17743 * src/lalr.h (LA): Is a bitsetv, not bitset*.
17744
17745 2002-04-07 Akim Demaille <akim@epita.fr>
17746
17747 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
17748 (LArule): this, which is an array to rule_t*.
17749 * src/print.c, src/conflicts.c: Adjust.
17750
17751 2002-04-07 Akim Demaille <akim@epita.fr>
17752
17753 * src/gram.h (rule_t): Rename `number' as `user_number'.
17754 `number' is a new member.
17755 Adjust dependencies.
17756 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
17757
17758 2002-04-07 Akim Demaille <akim@epita.fr>
17759
17760 As a result of the previous patch, it is no longer needed
17761 to reorder ritem itself.
17762
17763 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
17764
17765 2002-04-07 Akim Demaille <akim@epita.fr>
17766
17767 Be sure never to walk through RITEMS, but use only data related to
17768 the rules themselves. RITEMS should be banished.
17769
17770 * src/output.c (output_token_translations): Rename as...
17771 (prepare_tokens): this.
17772 In addition to `translate', prepare the muscles `tname' and
17773 `toknum', which were handled by...
17774 (output_rule_data): this.
17775 Remove, and move the remainder of its outputs into...
17776 (prepare_rules): this new routines, which also merges content from
17777 (output_gram): this.
17778 (prepare_rules): Be sure never to walk through RITEMS.
17779 (output_stos): Rename as...
17780 (prepare_stos): this.
17781 (output): Always invoke prepare_states, after all, just don't use it
17782 in the output if you don't need it.
17783
17784 2002-04-07 Akim Demaille <akim@epita.fr>
17785
17786 * src/LR0.c (new_state): Display `nstates' as the name of the
17787 newly created state.
17788 Adjust to initialize first_state and last_state if needed.
17789 Be sure to distinguish the initial from the final state.
17790 (new_states): Create the itemset of the initial state, and use
17791 new_state.
17792 * src/closure.c (closure): Now that the initial state has its
17793 items properly set, there is no need for a special case when
17794 creating `ruleset'.
17795
17796 As a result, now the rule 0, reducing to $axiom, is visible in the
17797 outputs. Adjust the test suite.
17798
17799 * tests/conflicts.at (Solved SR Conflicts)
17800 (Unresolved SR Conflicts): Adjust.
17801 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
17802 * tests/conflicts.at (S/R in initial): New.
17803
17804 2002-04-07 Akim Demaille <akim@epita.fr>
17805
17806 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
17807 the RHS of the rules.
17808 * src/output.c (output_gram): Likewise.
17809
17810 2002-04-07 Akim Demaille <akim@epita.fr>
17811
17812 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
17813 bucket.
17814 Adjust all dependencies.
17815 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
17816 `number' of the buckets too.
17817 * src/gram.h: Include `symtab.h'.
17818 (associativity): Move to...
17819 * src/symtab.h: here.
17820 No longer include `gram.h'.
17821
17822 2002-04-07 Akim Demaille <akim@epita.fr>
17823
17824 * src/gram.h, src/gram.c (rules_rhs_length): New.
17825 (ritem_longest_rhs): Use it.
17826 * src/gram.h (rule_t): `number' is a new member.
17827 * src/reader.c (packgram): Set it.
17828 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
17829 the end of `rules', and count them out of `nrules'.
17830 (reduce_output, dump_grammar): Adjust.
17831 * src/print.c (print_grammar): It is no longer needed to check for
17832 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
17833 * tests/reduce.at (Reduced Automaton): New test.
17834
17835 2002-04-07 Akim Demaille <akim@epita.fr>
17836
17837 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
17838 lacking `+ 1' to nrules, Bison reported as useless a token if it
17839 was used solely to set the precedence of the last rule...
17840
17841 2002-04-07 Akim Demaille <akim@epita.fr>
17842
17843 * data/bison.c++, data/bison.simple: Don't output the current file
17844 name in #line, to avoid useless diffs between two identical
17845 outputs under different names.
17846
17847 2002-04-07 Akim Demaille <akim@epita.fr>
17848
17849 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
17850 Normalize loops to using `< nrules + 1', not `<= nrules'.
17851
17852 2002-04-07 Akim Demaille <akim@epita.fr>
17853
17854 * TODO: Update.
17855
17856 2002-04-07 Akim Demaille <akim@epita.fr>
17857
17858 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
17859 bucket.value as bucket.number.
17860
17861 2002-04-07 Akim Demaille <akim@epita.fr>
17862
17863 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
17864 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17865 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
17866 RHS, instead of being an index in RITEMS.
17867
17868 2002-04-04 Paul Eggert <eggert@twinsun.com>
17869
17870 * doc/bison.texinfo: Update copyright date.
17871 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
17872 (Symbols): Warn about running Bison in one character set,
17873 but compiling and/or running in an incompatible one.
17874 Warn about character code 256, too.
17875
17876 2002-04-03 Paul Eggert <eggert@twinsun.com>
17877
17878 * src/bison.data (YYSTACK_ALLOC): Depend on whether
17879 YYERROR_VERBOSE is nonzero, not whether it is defined.
17880
17881 Merge changes from bison-1_29-branch.
17882
17883 2002-03-20 Paul Eggert <eggert@twinsun.com>
17884
17885 Merge fixes from Debian bison_1.34-1.diff.
17886
17887 * configure.in (AC_PREREQ): 2.53.
17888
17889 2002-03-20 Akim Demaille <akim@epita.fr>
17890
17891 * src/conflicts.c (log_resolution): Argument `resolution' is const.
17892
17893 2002-03-19 Paul Eggert <eggert@twinsun.com>
17894
17895 * src/bison.simple (YYCOPY): New macro.
17896 (YYSTACK_RELOCATE): Use it.
17897 Remove Type arg; no longer needed. All callers changed.
17898 (yymemcpy): Remove; no longer needed.
17899
17900 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
17901 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
17902
17903 2002-03-19 Akim Demaille <akim@epita.fr>
17904
17905 Test and fix the #line outputs.
17906
17907 * tests/atlocal.at (GCC): New.
17908 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
17909 (Prologue synch line, %union synch line, Postprologue synch line)
17910 (Action synch line, Epilogue synch line): New tests.
17911 * src/reader.c (parse_union_decl): Define the muscle stype_line.
17912 * data/bison.simple, data/bison.c++: Use it.
17913
17914 2002-03-19 Akim Demaille <akim@epita.fr>
17915
17916 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
17917 (Solved SR Conflicts, %expect not enough, %expect right)
17918 (%expect too much): Move to...
17919 * tests/conflicts.at: this new file.
17920
17921 2002-03-19 Akim Demaille <akim@epita.fr>
17922
17923 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17924 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
17925 that we can move to enums for instance.
17926 * src/output.c (token_definitions_output): Output a list of
17927 `token-name, token-number' instead of the #define.
17928 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
17929
17930 2002-03-14 Akim Demaille <akim@epita.fr>
17931
17932 Use Gettext 0.11.1.
17933
17934 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
17935
17936 * data/bison.c++: Make the user able to add members to the generated
17937 parser by subclassing.
17938
17939 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
17940
17941 * src/reader.c (read_additionnal_code): `c' should be an integer, not
17942 a character.
17943 Reported by Nicolas Tisserand and Nicolas Burrus.
17944
17945 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17946
17947 * src/reader.c: Warn about lacking semi-colons, do not complain.
17948
17949 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17950
17951 * data/bison.c++: Remove a debug line.
17952
17953 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17954
17955 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
17956 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
17957 provide a default implementation.
17958
17959 2002-03-04 Akim Demaille <akim@epita.fr>
17960
17961 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
17962 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
17963 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
17964 * tests/semantic.at (Parsing Guards): Similarly.
17965 * src/reader.at (readgram): Complain if the last rule is not ended
17966 with a semi-colon.
17967
17968 2002-03-04 Akim Demaille <akim@epita.fr>
17969
17970 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
17971 * src/closure.c: here.
17972 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
17973 RTC.
17974 * src/warshall.h, src/warshall.c: Remove.
17975 * tests/sets.at (Broken Closure): Adjust.
17976
17977 2002-03-04 Akim Demaille <akim@epita.fr>
17978
17979 * src/output.c (output_skeleton): tempdir is const.
17980 bytes_read is unused.
17981
17982 2002-03-04 Akim Demaille <akim@epita.fr>
17983
17984 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17985 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
17986 Update.
17987 From Michael Hayes.
17988
17989 2002-03-04 Akim Demaille <akim@epita.fr>
17990
17991 * src/closure.c (closure): `r' is unused.
17992
17993 2002-03-04 Akim Demaille <akim@epita.fr>
17994
17995 * tests/sets.at (Broken Closure): Add the ending `;'.
17996 * src/reader.at (readgram): Complain if a rule is not ended with a
17997 semi-colon.
17998
17999 2002-03-04 Akim Demaille <akim@epita.fr>
18000
18001 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
18002 (count_sr_conflicts): Use bitset_count.
18003 * src/reduce.c (inaccessable_symbols): Ditto.
18004 (bits_size): Remove.
18005 * src/warshall.h, src/warshall.c: Convert to bitsetv.
18006
18007 2002-03-04 Akim Demaille <akim@epita.fr>
18008
18009 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
18010 * src/reduce.c: Remove the `bitset_zero's following the
18011 `bitset_create's, as now it is performed by the latter.
18012
18013 2002-03-04 Akim Demaille <akim@epita.fr>
18014
18015 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
18016 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
18017 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
18018 latest sources from Michael.
18019
18020 2002-03-04 Akim Demaille <akim@epita.fr>
18021
18022 * src/output.c (output): Don't free the grammar.
18023 * src/reader.c (grammar_free): New.
18024 * src/main.c (main): Call it and don't free symtab here.
18025
18026 2002-03-04 Akim Demaille <akim@epita.fr>
18027
18028 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
18029 before returning.
18030 Reported by Benoit Perrot.
18031
18032 2002-03-04 Akim Demaille <akim@epita.fr>
18033
18034 Use bitset operations when possible, not loops over bits.
18035
18036 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
18037 bitset_or.
18038 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
18039 * src/reduce.c (useless_nonterminals): Formatting changes.
18040 * src/warshall.c (TC): Use bitset_or.
18041
18042 2002-03-04 Akim Demaille <akim@epita.fr>
18043
18044 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
18045 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
18046 Ditto.
18047
18048 2002-03-04 Akim Demaille <akim@epita.fr>
18049
18050 * src/lalr.c (F): Now a bitset*.
18051 Adjust all dependencies.
18052
18053 2002-03-04 Akim Demaille <akim@epita.fr>
18054
18055 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
18056 Adjust all dependencies.
18057
18058 2002-03-04 Akim Demaille <akim@epita.fr>
18059
18060 * src/L0.c, src/LR0.h (nstates): Be size_t.
18061 Adjust comparisons (signed vs unsigned).
18062 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
18063 bitset*.
18064 Adjust all dependencies.
18065
18066 2002-03-04 Akim Demaille <akim@epita.fr>
18067
18068 * src/closure.c (firsts): Now, also a bitset.
18069 Adjust all dependencies.
18070 (varsetsize): Remove, now unused.
18071 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
18072
18073 2002-03-04 Akim Demaille <akim@epita.fr>
18074
18075 * src/print.c: Convert to use bitset.h, not hand coded iterations
18076 over ints.
18077
18078 2002-03-04 Akim Demaille <akim@epita.fr>
18079
18080 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
18081
18082 2002-03-04 Akim Demaille <akim@epita.fr>
18083
18084 * src/closure.c (ruleset): Be a bitset.
18085 (rulesetsize): Remove.
18086
18087 2002-03-04 Akim Demaille <akim@epita.fr>
18088
18089 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
18090 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
18091 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
18092 * src/closure.c (fderives): Be an array of bitsets.
18093
18094 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
18095
18096 * data/bison.c++: Merge the two generated headers. Insert a copyright
18097 notice in each output file.
18098
18099 2002-02-28 Akim Demaille <akim@epita.fr>
18100
18101 * data/bison.c++: Copy the prologue of bison.simple to fetch
18102 useful M4 definitions, such as b4_header_guard.
18103
18104 2002-02-25 Akim Demaille <akim@epita.fr>
18105
18106 * src/getargs.c (version): Give the name of the authors, and use a
18107 translator friendly scheme for the bgr
18108 copyright notice.
18109
18110 2002-02-25 Akim Demaille <akim@epita.fr>
18111
18112 * src/output.c (header_output): Remove, now handled completely via
18113 M4.
18114
18115 2002-02-25 Akim Demaille <akim@epita.fr>
18116
18117 * m4/m4.m4: New, from CVS Autoconf.
18118 * configure.in: Invoke it.
18119 * src/output.c (output_skeleton): Use its result instead of the
18120 hard coded name.
18121
18122 2002-02-25 Akim Demaille <akim@epita.fr>
18123
18124 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
18125 Fileutils 4.1.5.
18126 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
18127 * src/output.c (output_skeleton): Use mkstemp to create a real
18128 temporary file.
18129 Move the filling of `skeleton' and its muscle to...
18130 (prepare): here.
18131 (output): Move the definition of the prologue muscle to...
18132 (prepare): here.
18133 * src/system.h (DEFAULT_TMPDIR): New.
18134
18135 2002-02-14 Paul Eggert <eggert@twinsun.com>
18136
18137 Remove the support for C++ namespace cleanliness; it was
18138 causing more problems than it was curing, since it didn't work
18139 properly on some nonstandard C++ compilers. This can wait
18140 for a proper C++ parser.
18141
18142 * NEWS: Document this.
18143 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
18144 of C++, as it's treated like C now.
18145 * src/bison.simple (YYSTD): Remove.
18146 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
18147 Treat C++ just like Standard C instead of trying to support
18148 namespace cleanliness.
18149
18150 2002-02-14 Akim Demaille <akim@epita.fr>
18151
18152 * tests/regression.at (else): Adjust to Andreas' change.
18153
18154 2002-02-14 Akim Demaille <akim@epita.fr>
18155
18156 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
18157
18158 2002-02-13 Andreas Schwab <schwab@suse.de>
18159
18160 * src/output.c (output_rule_data): Don't output NULL, it might
18161 not be defined yet.
18162
18163 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
18164
18165 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
18166 (Copyright notice): Update.
18167
18168 2002-02-11 Akim Demaille <akim@epita.fr>
18169
18170 * tests/regression.at (%nonassoc and eof): Don't include
18171 nonportable headers.
18172
18173 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
18174
18175 * data/bison.c++: Correct error recovery. Make the user able to
18176 initialize the starting location.
18177
18178 2002-02-07 Akim Demaille <akim@epita.fr>
18179
18180 * tests/input.at: New.
18181
18182 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18183
18184 * data/bison.c++: Replace some direct m4 expansions by constants. Be
18185 more consistent when naming methods and variables. Put preprocessor
18186 directives around tables only needed for debugging.
18187
18188 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18189
18190 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
18191 C++ parsers.
18192 (yy::b4_name::parse): Use print_.
18193
18194 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18195
18196 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
18197
18198 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
18199
18200 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
18201 C++ parsers.
18202 (yy::b4_name::parse): Build verbose error messages, and use error_.
18203
18204 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
18205
18206 * data/bison.c++: Fix m4 quoting in comments.
18207
18208 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
18209
18210 * data/bison.c++: Adjust the parser code. Fix some muscles that were
18211 not expanded by m4.
18212
18213 2002-02-05 Akim Demaille <akim@epita.fr>
18214
18215 * data/bison.c++: Adjust to the M4 back end.
18216 More is certainly needed.
18217
18218 2002-02-05 Akim Demaille <akim@epita.fr>
18219
18220 Give a try to M4 as a back end.
18221
18222 * lib/readpipe.c: New, from wdiff.
18223 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
18224 BISON_HAIRY.
18225 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
18226 specific values. Now it is m4 that performs the lookup.
18227 * src/parse-skel.y: Remove.
18228 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
18229 * src/output.c (actions_output, guards_output)
18230 (token_definitions_output): No longer keeps track of the output
18231 line number, hence remove the second argument.
18232 (guards_output): Check against the guard member of a rule, not the
18233 action member.
18234 Adjust callers.
18235 (output_skeleton): Don't look for the skeleton location, let m4 do
18236 that.
18237 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
18238 file will be used.
18239 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
18240 (prepare): Given that for the time being changesyntax is not
18241 usable in M4, rename the muscles using `-' to `_'.
18242 Define `defines_flag', `output_parser_name' and `output_header_name'.
18243 * src/output.h (actions_output, guards_output)
18244 (token_definitions_output): Adjust prototypes.
18245 * src/scan-skel.l: Instead of scanning the skeletons, it now
18246 processes the output of m4: `__oline__' and `#output'.
18247 * data/bison.simple: Adjust to be used by M4(sugar).
18248 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
18249 to date.
18250 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
18251 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
18252 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
18253 shamelessly stolen from CVS Autoconf.
18254
18255 2002-02-05 Akim Demaille <akim@epita.fr>
18256
18257 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
18258 * configure.in: Check for the declarations of free and malloc.
18259 * src/muscle_tab.c: Adjust.
18260
18261 2002-02-05 Akim Demaille <akim@epita.fr>
18262
18263 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
18264 which have no values.
18265
18266 2002-02-05 Akim Demaille <akim@epita.fr>
18267
18268 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
18269 * data/: here.
18270
18271 2002-01-29 Paul Eggert <eggert@twinsun.com>
18272
18273 * src/bison.simple (YYSIZE_T): Do not define merely because
18274 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
18275 On some platforms, <alloca.h> does not declare YYSTD (size_t).
18276
18277 2002-01-27 Akim Demaille <akim@epita.fr>
18278
18279 Fix `%nonassoc and eof'.
18280
18281 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
18282 which were not properly copied! Replace
18283 memcpy (res->errs, src->errs, src->nerrs);
18284 with
18285 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
18286 !!!
18287 * tests/regression.at (%nonassoc and eof): Adjust to newest
18288 Autotest: `.' is not in the PATH.
18289
18290 2002-01-27 Akim Demaille <akim@epita.fr>
18291
18292 * tests/sets.at (AT_EXTRACT_SETS): New.
18293 (Nullable): Use it.
18294 (Firsts): New.
18295
18296 2002-01-26 Akim Demaille <akim@epita.fr>
18297
18298 * tests/actions.at, tests/calc.at, tests/headers.at,
18299 * tests/torture.at: Adjust to the newest Autotest which no longer
18300 forces `.' in the PATH.
18301
18302 2002-01-25 Akim Demaille <akim@epita.fr>
18303
18304 * tests/regression.at (%nonassoc and eof): New.
18305 Suggested by Robert Anisko.
18306
18307 2002-01-24 Akim Demaille <akim@epita.fr>
18308
18309 Bison dumps core when trying to complain about broken input files.
18310 Reported by Cris van Pelt.
18311
18312 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
18313 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
18314 into...
18315 (Invalid inputs): Strengthen: exercise parse_percent_token.
18316
18317 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
18318
18319 * src/Makefile.am: Add bison.c++.
18320 * src/bison.c++: New skeleton.
18321
18322 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
18323
18324 * po/it.po: New.
18325
18326 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
18327
18328 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
18329
18330 2002-01-20 Marc Autret <marc@gnu.org>
18331
18332 * src/files.c (compute_output_file_names): Fix
18333
18334 2002-01-20 Marc Autret <marc@gnu.org>
18335
18336 * tests/output.at: New test.
18337 * src/files.c (compute_base_names): Don't map extensions when
18338 the YACC flag is set, use defaults.
18339 Reported by Evgeny Stambulchik.
18340
18341 2002-01-20 Marc Autret <marc@gnu.org>
18342
18343 * src/system.h: Need to define __attribute__ away for non-GCC
18344 compilers as well (i.e., the vendor C compiler).
18345 Suggested by Albert Chin-A-Young.
18346
18347 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
18348
18349 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
18350 canonical definition.
18351 * src/system.h: Use the canonical definition for PARAMS (avoids
18352 a conflict with the macro from lib/hash.h).
18353
18354 2002-01-11 Akim Demaille <akim@epita.fr>
18355
18356 * configure.in: Use AC_FUNC_STRNLEN.
18357 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
18358
18359 2002-01-09 Akim Demaille <akim@epita.fr>
18360
18361 * src/files.c, src/files.h (output_infix): New.
18362 (tab_extension): Remove.
18363 (compute_base_names): Compute the former, drop the latter.
18364 * src/output.c (prepare): Insert the muscles `output-infix', and
18365 `output-suffix'.
18366 * src/parse-skel.y (string, string.1): New.
18367 (section.header): Use it.
18368 (section.yacc): Remove.
18369 (prefix): Remove too.
18370 * src/scan-skel.l: Adjust.
18371 * src/bison.simple, src/bison.hairy: Adjust.
18372
18373 2002-01-09 Akim Demaille <akim@epita.fr>
18374
18375 * configure.in (WERROR_CFLAGS): Compute it.
18376 * src/Makefile.am (CFLAGS): Pass it.
18377 * tests/atlocal.in (CFLAGS): Idem.
18378 * src/files.c: Fix a few warnings.
18379 (get_extension_index): Remove, unused.
18380
18381 2002-01-08 Akim Demaille <akim@epita.fr>
18382
18383 * src/getargs.c (AS_FILE_NAME): New.
18384 (getargs): Use it to convert DOSish file names.
18385 * src/files.c (base_name): Rename as full_base_name to avoid
18386 clashes with `base_name ()'.
18387 (filename_split): New.
18388 (compute_base_names): N-th rewrite, using filename_split.
18389
18390 2002-01-08 Akim Demaille <akim@epita.fr>
18391
18392 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
18393 New, stolen from the Fileutils 4.1.
18394 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
18395 * configure.in: Check for the presence of memrchr, and of its
18396 prototype.
18397
18398 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
18399
18400 * lib/hash.h (__P): Added definition for this macro.
18401 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
18402 BUILT_SOURCES, to ensure they are generated first.
18403 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
18404 %error-verbose to allow bootstrapping with bison 1.30x.
18405
18406 2002-01-06 Akim Demaille <akim@epita.fr>
18407
18408 * src/reader.c (parse_braces): Don't fetch the next char, the
18409 convention is to fetch on entry.
18410 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
18411 'switch' without a following semicolon.
18412 * tests/regression.at (braces parsing): New.
18413
18414 2002-01-06 Akim Demaille <akim@epita.fr>
18415
18416 Bison is dead wrong in its RR conflict reports.
18417
18418 * tests/torture.at (GNU Cim Grammar): New.
18419 * src/conflicts.c (count_rr_conflicts): Fix.
18420
18421 2002-01-06 Akim Demaille <akim@epita.fr>
18422
18423 Creating package.m4 from configure.ac causes too many problems.
18424
18425 * tests/Makefile.am (package.m4): Create it by hand,
18426 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
18427
18428 2002-01-06 Akim Demaille <akim@epita.fr>
18429
18430 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
18431 skeleton.h.
18432
18433 2002-01-04 Paul Eggert <eggert@twinsun.com>
18434
18435 * doc/bison.texinfo (Debugging):
18436 Remove YYSTDERR; it's no longer defined or used.
18437 Also, s/cstdio.h/cstdio/.
18438
18439 2002-01-03 Akim Demaille <akim@epita.fr>
18440
18441 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
18442
18443 2002-01-03 Akim Demaille <akim@epita.fr>
18444
18445 * src/parse-skel.y (process_skeleton): Don't bind the parser's
18446 tracing code to --trace, wait for a better --trace option, with
18447 args.
18448
18449 2002-01-03 Akim Demaille <akim@epita.fr>
18450
18451 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
18452 The ISO C++ standard is extremely clear about it: stderr is
18453 considered a macro, not a regular symbol (see table 94 `Header
18454 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
18455 Therefore std:: does not apply to it. It still does with fprintf.
18456 Also, s/cstdio.h/cstdio/.
18457
18458 2002-01-03 Akim Demaille <akim@epita.fr>
18459
18460 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
18461 for non system headers.
18462
18463 2002-01-02 Akim Demaille <akim@epita.fr>
18464
18465 Equip the skeleton chain with location tracking, runtime trace,
18466 pure parser and scanner.
18467
18468 * src/parse-skel.y: Request a pure parser, locations, and prefix
18469 renaming.
18470 (%union): Having several members with the same type does not help
18471 type mismatches, simplify.
18472 (YYPRINT, yyprint): New.
18473 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
18474 (skel_error): this.
18475 Handle locations.
18476 * src/scan-skel.l: Adjust to these changes.
18477 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
18478 (LOCATION_PRINT, skel_control_t): New.
18479
18480 2001-12-30 Akim Demaille <akim@epita.fr>
18481
18482 * src/parse-skel.y: Get rid of the shift/reduce conflict:
18483 replace `gb' with BLANKS.
18484 * src/scan-skel.l: Adjust.
18485
18486 2001-12-30 Akim Demaille <akim@epita.fr>
18487
18488 * src/system.h: We don't need nor want bcopy.
18489 Throw away MS-DOS crap: we don't need getpid.
18490 * configure.in: We don't need strndup. It was even causing
18491 problems: because Flex includes the headers *before* us,
18492 _GNU_SOURCE is not defined by config.h, and therefore strndup was
18493 not visible.
18494 * lib/xstrndup.c: New.
18495 * src/scan-skel.l: Use it.
18496 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
18497 * src/parse-skel.y: Use %directives instead of #defines.
18498
18499 2001-12-30 Akim Demaille <akim@epita.fr>
18500
18501 * src/skeleton.h: New.
18502 * src/output.c (output_parser, output_master_parser): Remove, dead
18503 code.
18504 * src/output.h (get_lines_number, actions_output, guards_output)
18505 (token_definitions_output): Prototype them.
18506 * src/parse-skel.y: Add the license notice.
18507 Include output.h and skeleton.h.
18508 (process_skeleton): Returns void, and takes a single parameter.
18509 * src/scan-skel.l: Add the license notice.
18510 Include skeleton.h.
18511 Don't use %option yylineno: it seems that then Flex imagines
18512 REJECT has been used, and therefore it won't reallocate its
18513 buffers (which makes no other sense to me than a bug). It results
18514 in warnings for `unused: yy_flex_realloc'.
18515
18516 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
18517
18518 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
18519 (MUSCLE_INSERT_PREFIX): ...to there.
18520 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
18521 (MUSCLE_INSERT_PREFIX): Move from here...
18522
18523 * src/bison.hairy: Add a section directive. Put braces around muscle
18524 names. This parser skeleton is still broken, but Bison should not
18525 choke on a bad muscle 'syntax'.
18526 * src/bison.simple: Add a section directive. Put braces around muscle
18527 names.
18528
18529 * src/files.h (strsuffix, stringappend): Add declarations.
18530 (tab_extension): Add declaration.
18531 (short_base_name): Add declaration.
18532
18533 * src/files.c (strsuffix, stringappend): No longer static. These
18534 functions are used in the skeleton parser.
18535 (tab_extension): New.
18536 (compute_base_names): Use the computations done in this function
18537 to guess if the generated parsers should have '.tab' in their
18538 names.
18539 (short_base_name): No longer static.
18540
18541 * src/output.c (output_skeleton): New.
18542 (output): Disable call to output_master_parser, and give a try to
18543 a new skeleton handling system.
18544 (guards_output, actions_output): No longer static.
18545 (token_definitions_output, get_lines_number): No longer static.
18546
18547 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
18548
18549 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
18550 parse-skel.y.
18551
18552 * src/parse-skel.y: New file.
18553 * src/scan-skel.l: New file.
18554
18555 2001-12-29 Akim Demaille <akim@epita.fr>
18556
18557 %name-prefix is broken.
18558
18559 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
18560 Adjust all dependencies.
18561 * tests/headers.at (export YYLTYPE): Strengthen this test: use
18562 %name-prefix.
18563
18564 Renaming yylval but not yylloc is not consistent. Now we do.
18565
18566 * src/bison.simple: Prefix yylloc if used.
18567 * doc/bison.texinfo (Decl Summary): Document that.
18568
18569 2001-12-29 Akim Demaille <akim@epita.fr>
18570
18571 * doc/bison.texinfo: Promote `%long-directive' over
18572 `%long_directive'.
18573 Remove all references to fixed-output-files, yacc is enough.
18574
18575 2001-12-29 Akim Demaille <akim@epita.fr>
18576
18577 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
18578 user prologue. These are defaults.
18579 * tests/actions.at (Mid-rule actions): Make sure the user can
18580 define YYDEBUG and YYERROR_VERBOSE.
18581
18582 2001-12-29 Akim Demaille <akim@epita.fr>
18583
18584 * src/output.c (header_output): Don't forget to export YYLTYPE and
18585 yylloc.
18586 * tests/headers.at (export YYLTYPE): New, make sure it does.
18587 * tests/regression.at (%union and --defines, Invalid CPP headers):
18588 Move to...
18589 * tests/headers.at: here.
18590
18591 2001-12-29 Akim Demaille <akim@epita.fr>
18592
18593 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
18594
18595 2001-12-29 Akim Demaille <akim@epita.fr>
18596
18597 * tests/actions.at (Mid-rule actions): Output on a single line
18598 instead of several.
18599
18600 2001-12-29 Akim Demaille <akim@epita.fr>
18601
18602 * doc/bison.texinfo: Formatting changes.
18603
18604 2001-12-29 Akim Demaille <akim@epita.fr>
18605
18606 Don't store the token defs in a muscle, just be ready to output it
18607 on command. Now possible via `symbols'. Fixes a memory leak.
18608
18609 * src/output.c (token_definitions_output): New.
18610 (output_parser, header_output): Use it.
18611 * src/reader.c (symbols_save): Remove.
18612
18613 2001-12-29 Akim Demaille <akim@epita.fr>
18614
18615 * src/bison.simple: Do not provide a default for YYSTYPE and
18616 YYLTYPE before the user's prologue. Otherwise it's hardly... a
18617 default.
18618
18619 2001-12-29 Akim Demaille <akim@epita.fr>
18620
18621 Mid-rule actions are simply... ignored!
18622
18623 * src/reader.c (readgram): Be sure to attach mid-rule actions to
18624 the empty-rule associated to the dummy symbol, not to the host
18625 rule.
18626 * tests/actions.at (Mid-rule actions): New.
18627
18628 2001-12-29 Akim Demaille <akim@epita.fr>
18629
18630 Memory leak.
18631
18632 * src/reader.c (reader): Free grammar.
18633
18634 2001-12-29 Akim Demaille <akim@epita.fr>
18635
18636 Memory leak.
18637
18638 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
18639 since it allocates it for each state, although only one is needed.
18640 (allocate_storage): Do it here.
18641
18642 2001-12-29 Akim Demaille <akim@epita.fr>
18643
18644 * src/options.h, src/options.c (create_long_option_table): Rename
18645 as...
18646 (long_option_table_new): this, with a clearer prototype.
18647 (percent_table): Remove, unused,
18648 * src/getargs.c (getargs): Adjust.
18649
18650 2001-12-29 Akim Demaille <akim@epita.fr>
18651
18652 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
18653 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
18654 as states.
18655
18656 2001-12-29 Akim Demaille <akim@epita.fr>
18657
18658 * src/lalr.c (build_relations): Rename `states' as `states1'.
18659 Sorry, I don't understand exactly what it is, no better name...
18660
18661 2001-12-29 Akim Demaille <akim@epita.fr>
18662
18663 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
18664 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
18665 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
18666 as rules.
18667
18668 2001-12-29 Akim Demaille <akim@epita.fr>
18669
18670 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
18671 ago.
18672
18673 2001-12-29 Akim Demaille <akim@epita.fr>
18674
18675 * src/reader.c, src/reader.h (user_toknums): Remove.
18676 Adjust all users to use symbols[i]->user_token_number.
18677
18678 2001-12-29 Akim Demaille <akim@epita.fr>
18679
18680 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
18681 Adjust all users to use symbols[i]->prec or ->assoc.
18682
18683 2001-12-29 Akim Demaille <akim@epita.fr>
18684
18685 * src/reader.c, src/reader.h (tags): Remove.
18686 Adjust all users to use symbols[i]->tag.
18687
18688 2001-12-29 Akim Demaille <akim@epita.fr>
18689
18690 * src/gram.h, src/gram.c (symbols): New, similar to state_table
18691 and rule_table.
18692 * src/reader.c (packsymbols): Fill this table.
18693 Drop sprec.
18694 * src/conflicts.c (resolve_sr_conflict): Adjust.
18695 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
18696 single table.
18697 Use symbols[i]->tag instead of tags[i].
18698
18699 2001-12-29 Akim Demaille <akim@epita.fr>
18700
18701 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
18702 In addition, put a comment in there, to replace...
18703 * tests/regression.at (%union and C comments): Remove.
18704
18705 2001-12-29 Akim Demaille <akim@epita.fr>
18706
18707 * tests/regression.at (Web2c Actions): Blindly move the actual
18708 output as expected output. The contents *seem* right to me, but I
18709 can't pretend reading perfectly parser tables... Nonetheless, all
18710 the other tests pass correctly, the table look OK, even though the
18711 presence of `$axiom' is to be noted: AFAICS it is useless (but
18712 harmless).
18713
18714 2001-12-29 Akim Demaille <akim@epita.fr>
18715
18716 * src/reader.c (readgram): Don't add the rule 0 if there were no
18717 rules read. In other words, add it _after_ having performed
18718 grammar sanity checks.
18719 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
18720
18721 2001-12-29 Akim Demaille <akim@epita.fr>
18722
18723 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
18724 visible, and some states have now a different number.
18725
18726 2001-12-29 Akim Demaille <akim@epita.fr>
18727
18728 * src/reader.c (readgram): Bind the initial rule's lineno to that
18729 of the first rule.
18730 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
18731 (Solved SR Conflicts): Adjust rule 0's line number.
18732
18733 2001-12-29 Akim Demaille <akim@epita.fr>
18734
18735 Fix the `GAWK Grammar' failure.
18736
18737 * src/LR0.c (final_state): Initialize to -1 so that we do compute
18738 the reductions of the first state which was mistakenly confused
18739 with the final state because precisely final_state was initialized
18740 to 0.
18741 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
18742 now noticed by Bison.
18743 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
18744 have a reduction on $default.
18745
18746 2001-12-29 Akim Demaille <akim@epita.fr>
18747
18748 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
18749 rule line numbers.
18750 * src/closure.c (print_closure): Likewise.
18751 * src/derives.c (print_derives): Likewise.
18752 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
18753 now.
18754
18755 2001-12-29 Akim Demaille <akim@epita.fr>
18756
18757 * src/lalr.c (lookaheads_print): New.
18758 (lalr): Call it when --trace-flag.
18759 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
18760 are dumped.
18761
18762 2001-12-29 Akim Demaille <akim@epita.fr>
18763
18764 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
18765 when walking through ritem, even via rule->rhs.
18766 * src/reduce.c (dump_grammar, useful_production, reduce_output)
18767 (useful_production, useless_nonterminals): Likewise.
18768 (reduce_grammar_tables): Likewise, plus update nritems.
18769 * src/nullable.c (set_nullable): Likewise.
18770 * src/lalr.c (build_relations): Likewise.
18771 * tests/sets.at (Nullable): Adjust.
18772 Fortunately, now, the $axiom is no longer nullable.
18773
18774 2001-12-29 Akim Demaille <akim@epita.fr>
18775
18776 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
18777 the 0-sentinel.
18778 * src/gram.c (ritem_longest_rhs): Likewise.
18779 * src/reduce.c (nonterminals_reduce): Likewise.
18780 * src/print_graph.c (print_graph): Likewise.
18781 * src/output.c (output_rule_data): Likewise.
18782 * src/nullable.c (set_nullable): Likewise.
18783
18784 2001-12-29 Akim Demaille <akim@epita.fr>
18785
18786 * src/output.c: Comment changes.
18787
18788 2001-12-27 Paul Eggert <eggert@twinsun.com>
18789
18790 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
18791 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
18792 Sparc, as they were causing more porting problems than the
18793 (minor) performance improvement was worth.
18794
18795 Also, catch up with 1.31's YYSTD.
18796
18797 2001-12-27 Akim Demaille <akim@epita.fr>
18798
18799 * src/output.c (output_gram): Rely on nritems, not the
18800 0-sentinel. See below.
18801 Use -1 as separator, not 0.
18802 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
18803 Rely on -1 as separator in yyrhs, instead of 0.
18804 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
18805 twice `Now at end of input', therefore there are two lines less to
18806 expect.
18807
18808 2001-12-27 Akim Demaille <akim@epita.fr>
18809
18810 * tests/regression.at (Unresolved SR Conflicts):
18811 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
18812 below.
18813
18814 2001-12-27 Akim Demaille <akim@epita.fr>
18815
18816 * src/LR0.c (new_state): Recognize the final state by the fact it
18817 is reached by eoftoken.
18818 (insert_start_shifting_state, insert_eof_shifting_state)
18819 (insert_accepting_state, augment_automaton): Remove, since now
18820 these states are automatically computed from the initial state.
18821 (generate_states): Adjust.
18822 * src/print.c: When reporting a rule number to the user, substract
18823 1, so that the axiom rule is rule 0, and the first user rule is 1.
18824 * src/reduce.c: Likewise.
18825 * src/print_graph.c (print_core): For the time being, just as for
18826 the report, depend upon --trace-flags to dump the full set of
18827 items.
18828 * src/reader.c (readgram): Once the grammar read, insert the rule
18829 0: `$axiom: START-SYMBOL $'.
18830 * tests/set.at: Adjust: rule 0 is now displayed, and since the
18831 number of the states has changed (the final state is no longer
18832 necessarily the last), catch up.
18833
18834 2001-12-27 Akim Demaille <akim@epita.fr>
18835
18836 Try to make the use of the eoftoken valid. Given that its value
18837 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
18838 is used instead of > 0 where appropriate, (ii), depend upon nritems
18839 instead of the 0-sentinel.
18840
18841 * src/gram.h, src/gram.c (nritems): New.
18842 Expected to be duplication of nitems, but for the time being...
18843 * src/reader.c (packgram): Assert nritems and nitems are equal.
18844 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
18845 * src/closure.c (print_closure, print_fderives): Likewise.
18846 * src/gram.c (ritem_print): Likewise.
18847 * src/print.c (print_core, print_grammar): Likewise.
18848 * src/print_graph.c: Likewise.
18849
18850 2001-12-27 Akim Demaille <akim@epita.fr>
18851
18852 * src/main.c (main): If there are complains after grammar
18853 reductions, then output the report anyway if requested, then die.
18854 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
18855 * src/reader.c (eoftoken): New.
18856 (parse_token_decl): If the token being defined has value `0', it
18857 is the eoftoken.
18858 (packsymbols): No longer hack `tags' to insert `$' by hand.
18859 Be sure to preserve the value of the eoftoken.
18860 (reader): Make sure eoftoken is defined.
18861 Initialize nsyms to 0: now eoftoken is created just like the others.
18862 * src/print.c (print_grammar): Don't special case the eof token.
18863 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
18864 lie anyway, albeit pleasant.
18865 * tests/calc.at: Exercise error messages with eoftoken.
18866 Change the grammar so that empty input is invalid.
18867 Adjust expectations.
18868 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
18869
18870 2001-12-27 Akim Demaille <akim@epita.fr>
18871
18872 * configure.in: Check the protos of strchr ans strspn.
18873 Replace strchr if needed.
18874 * src/system.h: Provide the protos of strchr, strspn and memchr if
18875 missing.
18876 * lib/strchr.c: New.
18877 * src/reader.c (symbols_save): Use strchr.
18878
18879 2001-12-27 Akim Demaille <akim@epita.fr>
18880
18881 * src/print.c, src/print_graph.c (escape): New.
18882 Use it to quote the TAGS outputs.
18883 * src/print_graph.c (print_state): Now errors are in red, and
18884 reductions in green.
18885 Prefer high to wide: output the state number on a line of its own.
18886
18887 2001-12-27 Akim Demaille <akim@epita.fr>
18888
18889 * src/state.h, src/state.c (reductions_new): New.
18890 * src/LR0.c (set_state_table): Let all the states have a
18891 `reductions', even if reduced to 0.
18892 (save_reductions): Adjust.
18893 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
18894 * src/print.c (print_reductions, print_actions): Adjust.
18895 * src/output.c (action_row): Adjust.
18896
18897 2001-12-27 Akim Demaille <akim@epita.fr>
18898
18899 * src/state.h, src/state.c (errs_new, errs_dup): New.
18900 * src/LR0.c (set_state_table): Let all the states have an errs,
18901 even if reduced to 0.
18902 * src/print.c (print_errs, print_reductions): Adjust.
18903 * src/output.c (output_actions, action_row): Adjust.
18904 * src/conflicts.c (resolve_sr_conflict): Adjust.
18905
18906 2001-12-27 Akim Demaille <akim@epita.fr>
18907
18908 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
18909
18910 2001-12-27 Akim Demaille <akim@epita.fr>
18911
18912 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
18913 * src/print.c: here.
18914 (lookaheadset, shiftset): New, used as additional storage by
18915 print_reductions.
18916 (print_results): Adjust.
18917 (print_shifts, print_gotos, print_errs): New, extracted from...
18918 (print_actions): here.
18919 * src/print_graph.c (print_actions): Remove dead code.
18920
18921 2001-12-27 Akim Demaille <akim@epita.fr>
18922
18923 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
18924 `$n' and `@n'.
18925
18926 2001-12-27 Akim Demaille <akim@epita.fr>
18927
18928 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
18929 (build_relations): Adjust.
18930
18931 2001-12-27 Akim Demaille <akim@epita.fr>
18932
18933 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
18934 duplication.
18935
18936 2001-12-27 Akim Demaille <akim@epita.fr>
18937
18938 * src/reader.c (packgram): Catch nitems overflows.
18939
18940 2001-12-27 Akim Demaille <akim@epita.fr>
18941
18942 * src/files.c, src/files.h (guard_obstack): Remove.
18943 * src/output.c (output): Adjust.
18944 * src/reader.c (parse_braces): New, factoring...
18945 (copy_action, copy_guard): these two which are renamed as...
18946 (parse_action, parse_guard): these.
18947 As a voluntary consequence, using braces around guards is now
18948 mandatory.
18949
18950 2001-12-27 Akim Demaille <akim@epita.fr>
18951
18952 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
18953 * src/reader.c (symbol_list): `guard' and `guard_line' are new
18954 members.
18955 (symbol_list_new): Adjust.
18956 (copy_action): action_line is the first line, not the last.
18957 (copy_guard): Just as for actions, store the `action' only, not
18958 the switch/case/break flesh.
18959 Don't parse the user action that might follow the guard, let...
18960 (readgram): do it, i.e., now, there can be an action after a
18961 guard.
18962 In other words the guard is just explicitly optional.
18963 (packgram): Adjust.
18964 * src/output.c (guards_output): New.
18965 (output_parser): Call it when needed.
18966 (output): Also free the guard and attrs obstacks.
18967 * src/files.c, src/files.h (obstack_save): Remove.
18968 (output_files): Remove.
18969 As a result, if one needs the former `.act' file, using an
18970 appropriate skeleton which requires actions and guards is now
18971 required.
18972 * src/main.c (main): Adjust.
18973 * tests/semantic.at: New.
18974 * tests/regression.at: Use `input.y' as input file name.
18975 Avoid 8+3 problems by requiring input.c when the test needs the
18976 parser.
18977
18978 2001-12-27 Akim Demaille <akim@epita.fr>
18979
18980 * src/reader.c (symbol_list_new): Be sure to initialize all the
18981 fields.
18982
18983 2001-12-27 Akim Demaille <akim@epita.fr>
18984
18985 All the hacks using a final pseudo state are now useless.
18986
18987 * src/LR0.c (set_state_table): state_table holds exactly nstates.
18988 * src/lalr.c (nLA): New.
18989 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
18990 instead of lookaheadsp from the pseudo state (nstate + 1).
18991
18992 2001-12-27 Akim Demaille <akim@epita.fr>
18993
18994 * src/output.c (action_row, token_actions): Use a state_t instead
18995 of a integer, and nlookaheads instead of the following state's
18996 lookaheadsp.
18997
18998 2001-12-27 Akim Demaille <akim@epita.fr>
18999
19000 * src/conflicts.c (log_resolution, flush_shift)
19001 (resolve_sr_conflict, set_conflicts, solve_conflicts)
19002 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
19003 (conflicts_print, print_reductions): Use a state_t instead of an
19004 integer when referring to a state.
19005 As much as possible, depend upon nlookaheads, instead of the
19006 `lookaheadsp' member of the following state (since lookaheads of
19007 successive states are successive, the difference between state n + 1
19008 and n served as the number of lookaheads for state n).
19009 * src/lalr.c (add_lookback_edge): Likewise.
19010 * src/print.c (print_core, print_actions, print_state)
19011 (print_results): Likewise.
19012 * src/print_graph.c (print_core, print_actions, print_state)
19013 (print_graph): Likewise.
19014 * src/conflicts.h: Adjust.
19015
19016 2001-12-27 Akim Demaille <akim@epita.fr>
19017
19018 * src/bison.hairy: Formatting/comment changes.
19019 ANSIfy.
19020 Remove `register' indications.
19021 Add plenty of `static'.
19022
19023 2001-12-27 Akim Demaille <akim@epita.fr>
19024
19025 * src/output.c (prepare): Drop the muscle `ntbase' which
19026 duplicates ntokens.
19027 * src/bison.simple: Formatting/comment changes.
19028 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
19029 is an undocumented synonym.
19030
19031 2001-12-22 Akim Demaille <akim@epita.fr>
19032
19033 * src/output.c (output_table_data): Change the prototype to use
19034 `int' for array ranges: some invocations do pass an int, not a
19035 short.
19036 Reported by Wayne Green.
19037
19038 2001-12-22 Akim Demaille <akim@epita.fr>
19039
19040 Some actions of web2c.y are improperly triggered.
19041 Reported by Mike Castle.
19042
19043 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
19044 * tests/regression.at (Web2c): Rename as...
19045 (Web2c Report): this.
19046 (Web2c Actions): New.
19047
19048 2001-12-22 Akim Demaille <akim@epita.fr>
19049
19050 Reductions in web2c.y are improperly reported.
19051 Reported by Mike Castle.
19052
19053 * src/conflicts.c (print_reductions): Fix.
19054 * tests/regression.at (Web2c): New.
19055
19056 2001-12-18 Akim Demaille <akim@epita.fr>
19057
19058 Some host fail on `assert (!"foo")', which expands to
19059 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
19060 Reported by Nelson Beebee.
19061
19062 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
19063 `#define it_succeeded 0' and `assert (it_succeeded)'.
19064
19065 2001-12-17 Marc Autret <autret_m@epita.fr>
19066
19067 * src/bison.simple: Don't hard code the skeleton line and filename.
19068 * src/output.c (output_parser): Rename 'line' as 'output_line'.
19069 New line counter 'skeleton_line' (skeleton-line muscle).
19070
19071 2001-12-17 Paul Eggert <eggert@twinsun.com>
19072
19073 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
19074 YYDEBUG must be defined to a nonzero value.
19075
19076 * src/bison.simple (yytname): Do not assume that the user defines
19077 YYDEBUG to a properly parenthesized expression.
19078
19079 2001-12-17 Akim Demaille <akim@epita.fr>
19080
19081 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
19082 nlookaheads is a new member.
19083 Adjust all users.
19084 * src/lalr.h (nlookaheads): Remove this orphan declaration.
19085 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
19086 state.
19087
19088 2001-12-17 Akim Demaille <akim@epita.fr>
19089
19090 * src/files.h, src/files.c (open_files, close_files): Remove.
19091 * src/main.c (main): Don't open/close files, nor invoke lex_free,
19092 let...
19093 * src/reader.c (reader): Do it.
19094
19095 2001-12-17 Akim Demaille <akim@epita.fr>
19096
19097 * src/conflicts.c (print_reductions): Formatting changes.
19098
19099 2001-12-17 Akim Demaille <akim@epita.fr>
19100
19101 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
19102 (flush_reduce): New.
19103 (resolve_sr_conflict): Adjust.
19104
19105 2001-12-17 Akim Demaille <akim@epita.fr>
19106
19107 * src/output.c (output_obstack): Be static and rename as...
19108 (format_obstack): this, to avoid any confusion with files.c's
19109 output_obstack.
19110 * src/reader.h (muscle_obstack): Move to...
19111 * src/output.h: here, since it's defined in output.c.
19112
19113 2001-12-17 Akim Demaille <akim@epita.fr>
19114
19115 * src/output.c (action_row, save_column, default_goto)
19116 (sort_actions, matching_state, pack_vector): Better variable
19117 locality.
19118
19119 2001-12-17 Akim Demaille <akim@epita.fr>
19120
19121 * src/output.c: Various formatting changes.
19122
19123 2001-12-17 Akim Demaille <akim@epita.fr>
19124
19125 * src/files.c (output_files): Free the output_obstack.
19126 * src/main.c (main): Call print and print_graph conditionally.
19127 * src/print.c (print): Work unconditionally.
19128 * src/print_graph.c (print_graph): Work unconditionally.
19129 * src/conflicts.c (log_resolution): Output only if verbose_flag.
19130
19131 2001-12-16 Marc Autret <autret_m@epita.fr>
19132
19133 * src/output.c (actions_output): Fix. When we use %no-lines,
19134 there is one less line per action.
19135
19136 2001-12-16 Marc Autret <autret_m@epita.fr>
19137
19138 * src/bison.simple: Remove a useless #line directive.
19139 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
19140 * src/output.c (get_lines_number): New.
19141 (output_parser): Adjust, now takes care about the lines of a
19142 output muscles.
19143 Fix line numbering.
19144 (actions_output): Computes the number of lines taken by actions.
19145 (output_master_parser): Insert new skeleton which is the name of
19146 the output parser file name.
19147
19148 2001-12-15 Marc Autret <autret_m@epita.fr>
19149
19150 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
19151
19152 2001-12-15 Marc Autret <autret_m@epita.fr>
19153
19154 * src/output.c (output_gram): Keep track of the hairy one.
19155
19156 2001-12-15 Akim Demaille <akim@epita.fr>
19157
19158 Make `make distcheck' work.
19159
19160 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
19161 system.h which uses libgettext.h.
19162
19163 2001-12-15 Akim Demaille <akim@epita.fr>
19164
19165 * src/nullable.c (set_nullable): Useless rules must be skipped,
19166 otherwise, since we range over their symbols, we might look at a
19167 nonterminal which no longer ``exists'', i.e., it is not counted in
19168 `nvars', hence we overflow our arrays.
19169
19170 2001-12-15 Akim Demaille <akim@epita.fr>
19171
19172 The header can also be produced directly, without any obstack!
19173 Yahoo!
19174
19175 * src/files.c, src/files.h (defines_obstack): Remove.
19176 (compute_header_macro): Global.
19177 (defines_obstack_save): Remove.
19178 * src/reader.c (parse_union_decl): No longer output to
19179 defines_obstack: its content can be found in the `stype' muscle
19180 anyway.
19181 (output_token_translations): Merge into...
19182 (symbols_output): this.
19183 Rename as...
19184 (symbols_save): this.
19185 (reader): Adjust.
19186 * src/output.c (header_output): New.
19187 (output): Call it.
19188
19189 2001-12-15 Akim Demaille <akim@epita.fr>
19190
19191 * src/reader.c (parse_union_decl): Instead of handling two obstack
19192 simultaneously, use one to define the `stype' muscle, and use the
19193 value of the latter to fill defines_obstack.
19194 (copy_comment): Remove.
19195 (copy_comment2): Work for a single obstack.
19196 Rename as...
19197 (copy_comment): this.
19198
19199 2001-12-15 Akim Demaille <akim@epita.fr>
19200
19201 * src/lex.c, src/lex.h (xgetc): No longer static.
19202 * src/reader.c (parse_union_decl): Revamp.
19203
19204 2001-12-15 Akim Demaille <akim@epita.fr>
19205
19206 Still making progress in separating Bison into (i) input, (ii)
19207 process, (iii) output: now we can directly output the parser file
19208 without using table_obstack at all.
19209
19210 * src/files.c, src/files.h (table_obstack): Bye bye.
19211 (parser_file_name): New.
19212 * src/files.c (compute_output_file_names): Compute it.
19213 * src/output.c (actions_output, output_parser)
19214 (output_master_parser): To a file instead of an obstack.
19215
19216 2001-12-15 Akim Demaille <akim@epita.fr>
19217
19218 Attach actions to rules, instead of pre-outputting them to
19219 actions_obstack.
19220
19221 * src/gram.h (rule_t): action and action_line are new members.
19222 * src/reader.c (symbol_list): Likewise.
19223 (copy_action): Save the actions within the rule.
19224 (packgram): Save them in rule_table.
19225 * src/output.c (actions_output): New.
19226 (output_parser): Use it on `%%actions'.
19227 (output_rule_data): Don't free rule_table.
19228 (output): Do it.
19229 (prepare): Don't save the `action' muscle.
19230 * src/bison.simple: s/%%action/%%actions/.
19231
19232 2001-12-15 Akim Demaille <akim@epita.fr>
19233
19234 * src/reader.c (copy_action): When --yacc, don't append a `;'
19235 to the user action: let it fail if lacking.
19236 Suggested by Arnold Robbins and Tom Tromey.
19237
19238 2001-12-14 Akim Demaille <akim@epita.fr>
19239
19240 * src/lex.c (literalchar): Simply return the char you decoded, non
19241 longer mess around with obstacks and int pointers.
19242 Adjust all callers.
19243
19244 2001-12-14 Akim Demaille <akim@epita.fr>
19245
19246 * src/lex.c (literalchar): Don't escape the special characters,
19247 just decode them, and keep them as char (before, eol was output as
19248 the 2 char string `\n' etc.).
19249 * src/output.c (output_rule_data): Use quotearg to output the
19250 token strings.
19251
19252 2001-12-13 Paul Eggert <eggert@twinsun.com>
19253
19254 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
19255 Do not infringe on the global user namespace when using C++.
19256 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
19257 All uses of `fprintf' and `stderr' changed.
19258
19259 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
19260
19261 2001-12-13 Akim Demaille <akim@epita.fr>
19262
19263 The computation of nullable is broken: it doesn't handle empty
19264 RHS's properly.
19265
19266 * tests/torture.at (GNU AWK Grammar): New.
19267 * tests/sets.at (Nullable): New.
19268 * src/nullable.c (set_nullable): Instead of blindly looping over
19269 `ritems', loop over the rules, and then over their rhs's.
19270
19271 Work around Autotest bugs.
19272
19273 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
19274 frame, because Autotest understand lines starting with a `+' as
19275 traces from the shell. Then, they are not processed properly.
19276 Admittedly an Autotest bug, but we don't have time to wait for
19277 Autotest to catch up.
19278 * tests/regression.at (Broken Closure): Adjust to the new table
19279 frames.
19280 Move to...
19281 * tests/sets.at: here.
19282
19283 2001-12-13 Akim Demaille <akim@epita.fr>
19284
19285 * src/closure.c (closure): Use nrules instead of playing tricks
19286 with BITS_PER_WORD.
19287
19288 2001-12-13 Akim Demaille <akim@epita.fr>
19289
19290 * src/print.c (print_actions): Output the handling of `$' as the
19291 traces do: shifting the token EOF. Before EOF was treated as a
19292 nonterminal.
19293 * tests/regression.at: Adjust some tests.
19294 * src/print_graph.c (print_core): Complete the set of items via
19295 closure. The next-to-final and final states are still unsatisfying,
19296 but that's to be addressed elsewhere.
19297 No longer output the rule numbers, but do output the state number.
19298 A single loop for the shifts + gotos is enough, but picked a
19299 distinct color for each.
19300 (print_graph): Initialize and finalize closure.
19301
19302 2001-12-13 Akim Demaille <akim@epita.fr>
19303
19304 * src/reader.c (readgram): Remove dead code, an strip useless
19305 braces.
19306 (get_type): Remove, unused.
19307
19308 2001-12-12 Akim Demaille <akim@epita.fr>
19309
19310 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
19311 on that of lib/error.c.
19312
19313 2001-12-12 Akim Demaille <akim@epita.fr>
19314
19315 Some hosts don't like `/' in includes.
19316
19317 * src/system.h: Include libgettext.h without qualifying the path.
19318 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
19319 $(top_srcdir).
19320
19321 2001-12-11 Marc Autret <autret_m@epita.fr>
19322
19323 * src/output.c (output_parser): Remove useless muscle.
19324
19325 2001-12-11 Marc Autret <autret_m@epita.fr>
19326
19327 * src/bison.simple: Remove #line just before %%epilogue. It
19328 is now handled in ...
19329 * src/reader.c (read_additionnal_code): Add the output of a
19330 #line for the epilogue.
19331
19332 2001-12-10 Marc Autret <autret_m@epita.fr>
19333
19334 * src/reader.c (copy_definition): Re-use CPP-outed code which
19335 replace precedent remove.
19336 * src/bison.simple: Remove #line before %%prologue because
19337 %%input-line is wrong at this time.
19338
19339 2001-12-10 Marc Autret <autret_m@epita.fr>
19340
19341 * src/reader.c (symbols_output): Clean up.
19342 * src/output.c (output_gram, output): Clean up.
19343
19344 2001-12-10 Akim Demaille <akim@epita.fr>
19345
19346 * src/lalr.c (initialize_lookaheads): New. Extracted from...
19347 * src/LR0.c (set_state_table): here.
19348 * src/lalr.c (lalr): Call it.
19349
19350 2001-12-10 Akim Demaille <akim@epita.fr>
19351
19352 * src/state.h (shifts): Remove the `number' member: shifts are
19353 attached to state, hence no longer need to be labelled with a
19354 state number.
19355
19356 2001-12-10 Akim Demaille <akim@epita.fr>
19357
19358 Now that states have a complete set of members, the linked list of
19359 shifts is useless: just fill directly the state's shifts member.
19360
19361 * src/state.h (shifts): Remove the `next' member.
19362 * src/LR0.c (first_state, last_state): Remove.
19363 Adjust the callers.
19364 (augment_automaton): Don't look for the shifts that must be added
19365 a shift on EOF: it is those of the state we looked for! But now,
19366 since shifts are attached, it is no longer needed to looking
19367 merely by its id: its number.
19368
19369 2001-12-10 Akim Demaille <akim@epita.fr>
19370
19371 * src/LR0.c (augment_automaton): Better variable locality.
19372 Remove an impossible branch: if there is a state corresponding to
19373 the start symbol being shifted, then there is shift for the start
19374 symbol from the initial state.
19375
19376 2001-12-10 Akim Demaille <akim@epita.fr>
19377
19378 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
19379 only when appropriate: when insert_start_shifting_state' is not
19380 invoked.
19381 * tests/regression.at (Rule Line Numbers): Adjust.
19382
19383 2001-12-10 Akim Demaille <akim@epita.fr>
19384
19385 * src/LR0.c (augment_automaton): Now that all states have shifts,
19386 merge the two cases addition shifts to the initial state.
19387
19388 2001-12-10 Akim Demaille <akim@epita.fr>
19389
19390 * src/lalr.c (set_state_table): Move to...
19391 * src/LR0.c: here.
19392 * src/lalr.c (lalr): Don't call it...
19393 * src/LR0.c (generate_states): do it.
19394 * src/LR0.h (first_state): Remove, only the table is used.
19395
19396 2001-12-10 Akim Demaille <akim@epita.fr>
19397
19398 * src/LR0.h (first_shift, first_reduction): Remove.
19399 * src/lalr.c: Don't use first_shift: find shifts through the
19400 states.
19401
19402 2001-12-10 Akim Demaille <akim@epita.fr>
19403
19404 * src/LR0.c: Attach shifts to states as soon as they are
19405 computed.
19406 * src/lalr.c (set_state_table): Instead of assigning shifts to
19407 state, just assert that the mapping was properly done.
19408
19409 2001-12-10 Akim Demaille <akim@epita.fr>
19410
19411 * src/LR0.c (insert_start_shift): Rename as...
19412 (insert_start_shifting_state): this.
19413 (insert_eof_shifting_state, insert_accepting_state): New.
19414 (augment_automaton): Adjust.
19415 Better locality of the variables.
19416 When looking if the start_symbol is shifted from the initial
19417 state, using `while (... symbol != start_symbol ...)' sounds
19418 better than `while (... symbol < start_symbol ...)': If fail
19419 to see how the order between symbols could be relevant!
19420
19421 2001-12-10 Akim Demaille <akim@epita.fr>
19422
19423 * src/getargs.h: Don't declare `spec_name_prefix' and
19424 `spec_file_prefix', declared by src/files.h.
19425 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
19426 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
19427 * src/output.c (prepare): Adjust.
19428 * src/reader.c (symbols_output): Likewise.
19429 * src/vmsgetargs.c: Vaguely adjust, but who cares?
19430
19431 2001-12-10 Akim Demaille <akim@epita.fr>
19432
19433 * src/muscle_tab.c (muscle_init): NULL is a better default than
19434 `"0"'.
19435
19436 2001-12-10 Akim Demaille <akim@epita.fr>
19437
19438 * src/reader.c (reader): Calling symbols_output once is enough.
19439
19440 2001-12-10 Akim Demaille <akim@epita.fr>
19441
19442 Now that states have a complete set of members, the linked list of
19443 reductions is useless: just fill directly the state's reductions
19444 member.
19445
19446 * src/state.h (struct reductions): Remove member `number' and
19447 `next'.
19448 * src/LR0.c (first_reduction, last_reduction): Remove.
19449 (save_reductions): Don't link the new reductions, store them in
19450 this_state.
19451 * src/lalr.c (set_state_table): No need to attach reductions to
19452 states, it's already done.
19453 * src/output.c (output_actions): No longer free the shifts, then
19454 the reductions, then the states: free all the states and their
19455 members.
19456
19457 2001-12-10 Akim Demaille <akim@epita.fr>
19458
19459 * src/options.c (OPTN, DRTV, BOTH): New.
19460 (option_table): Use them.
19461
19462 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
19463 the job of system.h.
19464 * src/options.c: Don't include stdio.h and xalloc.h for the same
19465 reasons.
19466
19467 2001-12-10 Akim Demaille <akim@epita.fr>
19468
19469 * src/output.c (output, prepare): Make sure the values of the
19470 muscles `action' and `prologue' are 0-terminated.
19471
19472 2001-12-10 Akim Demaille <akim@epita.fr>
19473
19474 Clean up GCC warnings.
19475
19476 * src/reader.c (copy_action): `buf' is not used.
19477 (parse_skel_decl): Be static.
19478 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
19479 * src/options.h (create_long_option_table): Have a real prototype.
19480 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
19481 (hash_delete_at): Return const void *.
19482 Adjust casts to preserve the const.
19483
19484 2001-12-10 Akim Demaille <akim@epita.fr>
19485
19486 * configure.in: Require 2.52g.
19487 M4 is not needed, but AUTOM4TE is.
19488 * m4/m4.m4: Remove.
19489 * tests/Makefile.am: Adjust.
19490
19491 2001-12-10 Akim Demaille <akim@epita.fr>
19492
19493 One structure for states is enough, even though theoretically
19494 there are LR(0) states and LALR(1) states.
19495
19496 * src/lalr.h (state_t): Remove.
19497 (state_table): Be state_t **, not state_t *.
19498 * src/state.h (core, CORE_ALLOC): Rename as...
19499 (state_t, STATE_ALLOC): this.
19500 Add the LALR(1) members: shifts, reductions, errs.
19501 * src/LR0.c (state_table): Rename as...
19502 (state_hash): this, to avoid name clashes with the global
19503 `state_table'.
19504 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
19505 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
19506
19507 2001-12-10 Akim Demaille <akim@epita.fr>
19508
19509 Bison dumps core on bash.y.
19510 Reported by Pascal Bart.
19511
19512 * src/warshall.c (bitmatrix_print): New.
19513 (TC): Use it.
19514 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
19515 j must be the outer loop.
19516 * tests/regression.at (Broken Closure): New.
19517
19518 2001-12-05 Akim Demaille <akim@epita.fr>
19519
19520 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
19521 its argument.
19522 Reported by Peter Hamorsky.
19523
19524 2001-12-05 Akim Demaille <akim@epita.fr>
19525
19526 * src/conflicts.c (err_table): Remove.
19527 (resolve_sr_conflict): Adjust.
19528 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
19529 Rename as...
19530 (state_t.reductions, state_t.shifts): this.
19531
19532 2001-12-05 Akim Demaille <akim@epita.fr>
19533
19534 * src/reduce.c (reduce_grammar_tables): No longer disable the
19535 removal of useless rules via CPP but via `if (0)', so that the
19536 compiler still check the code is valid.
19537 For instance, it should have noticed `rline' no longer exists: use
19538 the `line' member of rule_t.
19539 * src/gram.c (dummy, rline): Remove, unused.
19540
19541 2001-12-05 Akim Demaille <akim@epita.fr>
19542
19543 * src/output.c (pack_vector): Use assert, not berror.
19544 * src/main.c (berror): Remove, unused.
19545
19546 2001-12-05 Akim Demaille <akim@epita.fr>
19547
19548 New experimental feature: if --verbose --trace output all the
19549 items of a state, not only its kernel.
19550
19551 * src/print.c (print_core): If `trace_flag', then invoke closure
19552 before outputting the items of the state (print_core is no longer
19553 a correct name them).
19554 (print_results): Invoke new_closure/free_closure if needed.
19555
19556 2001-12-05 Akim Demaille <akim@epita.fr>
19557
19558 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
19559 * src/closure.c, src/closure.h (itemsetsize): Rename as...
19560 (nitemset): for consistency with the rest of the project.
19561
19562 2001-12-05 Akim Demaille <akim@epita.fr>
19563
19564 * src/closure.c (print_closure): Improve.
19565 (closure): Use it for printing input and output.
19566
19567 2001-12-05 Akim Demaille <akim@epita.fr>
19568
19569 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
19570 indexed by nonterminals.
19571
19572 2001-12-05 Akim Demaille <akim@epita.fr>
19573
19574 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
19575 what it was!).
19576 * src/warshall.h: Remove accidental duplication of the content.
19577
19578 2001-12-05 Akim Demaille <akim@epita.fr>
19579
19580 * src/closure.c (set_fderives): De-obfuscate.
19581
19582 2001-12-05 Akim Demaille <akim@epita.fr>
19583
19584 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
19585
19586 2001-12-05 Akim Demaille <akim@epita.fr>
19587
19588 * src/closure.c (set_firsts): De-obfuscate.
19589
19590 2001-12-05 Akim Demaille <akim@epita.fr>
19591
19592 * src/output.c (action_row): De-obfuscate
19593 using the good o' techniques: arrays not pointers, variable
19594 locality, BITISSET, RESETBIT etc.
19595
19596 2001-12-05 Akim Demaille <akim@epita.fr>
19597
19598 Pessimize the code to simplify it: from now on, all the states
19599 have a valid SHIFTS, which NSHIFTS is possibly 0.
19600
19601 * src/LR0.c (shifts_new): Be global and move to..
19602 * src/state.c, src/state.h: here.
19603 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
19604 * src/print_graph: Adjust.
19605
19606 2001-12-05 Akim Demaille <akim@epita.fr>
19607
19608 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
19609 * src/conflicts.c: Use it.
19610 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
19611 incorrectly ``simplified''.
19612
19613 2001-12-05 Akim Demaille <akim@epita.fr>
19614
19615 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
19616 using the good o' techniques: arrays not pointers, variable
19617 locality, BITISSET, RESETBIT etc.
19618
19619 2001-12-05 Akim Demaille <akim@epita.fr>
19620
19621 * src/state.h (SHIFT_SYMBOL): New.
19622 * src/conflicts.c: Use it to deobfuscate.
19623
19624 2001-12-05 Akim Demaille <akim@epita.fr>
19625
19626 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
19627 (print_reductions): De-obfuscate using the good o' techniques:
19628 arrays not pointers, variable locality, BITISSET.
19629
19630 2001-12-05 Akim Demaille <akim@epita.fr>
19631
19632 * src/conflicts.c (print_reductions): Arrays, not pointers.
19633 Use BITISSET.
19634
19635 2001-12-05 Akim Demaille <akim@epita.fr>
19636
19637 * src/conflicts.c (print_reductions): Pessimize, but clarify.
19638
19639 2001-12-05 Akim Demaille <akim@epita.fr>
19640
19641 * src/conflicts.c (print_reductions): Improve variable locality.
19642
19643 2001-12-05 Akim Demaille <akim@epita.fr>
19644
19645 * src/conflicts.c (print_reductions): Pessimize, but clarify.
19646
19647 2001-12-05 Akim Demaille <akim@epita.fr>
19648
19649 * src/conflicts.c (print_reductions): Improve variable locality.
19650
19651 2001-12-05 Akim Demaille <akim@epita.fr>
19652
19653 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
19654 * src/lalr.c: Use them.
19655
19656 2001-12-05 Akim Demaille <akim@epita.fr>
19657
19658 * src/LR0.c (augment_automaton): Formatting changes.
19659 Better variable locality.
19660
19661 2001-12-05 Akim Demaille <akim@epita.fr>
19662
19663 * src/lalr.c (matrix_print): New.
19664 (transpose): Use it.
19665 Use arrays instead of pointers.
19666
19667 2001-12-05 Akim Demaille <akim@epita.fr>
19668
19669 * src/lalr.c (maxrhs): Move to...
19670 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
19671 * src/lalr.c (build_relations): Adjust.
19672
19673 2001-12-05 Akim Demaille <akim@epita.fr>
19674
19675 * src/lalr.c (transpose): Free the memory allocated to the
19676 argument, as it is replaced by the results by the unique caller.
19677 (build_relations): Merely invoke transpose: it handles the memory
19678 deallocation.
19679 Improve variable locality.
19680 Avoid variables used as mere abbreviations.
19681 (compute_lookaheads): Use arrays instead of pointers.
19682
19683 2001-12-05 Akim Demaille <akim@epita.fr>
19684
19685 * src/lalr.c (initialize_F): Improve variable locality.
19686 Avoid variables used as mere abbreviations.
19687
19688 2001-12-05 Akim Demaille <akim@epita.fr>
19689
19690 * src/derives.c (print_derives): Display the ruleno.
19691 * src/lalr.c (initialize_F, transpose): Better variable locality
19692 to improve readability.
19693 Avoid variables used as mere abbreviations.
19694
19695 2001-12-05 Akim Demaille <akim@epita.fr>
19696
19697 * src/lalr.c (traverse): Use arrays instead of pointers.
19698
19699 2001-12-05 Akim Demaille <akim@epita.fr>
19700
19701 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
19702 the handling of squeue.
19703 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19704
19705 2001-12-05 Akim Demaille <akim@epita.fr>
19706
19707 Because useless nonterminals are now kept alive (instead of being
19708 `destroyed'), we now sometimes examine them, and store information
19709 related to them. Hence we need to know their number, and adjust
19710 memory allocations.
19711
19712 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
19713 static.
19714 * src/LR0.c (allocate_itemsets): The memory allocated to
19715 `symbol_count' was used for two different purpose: once to count
19716 the number of occurrences of each symbol, and later reassigned to
19717 `shift_symbol', containing the symbol that can be shifted from a
19718 given state.
19719 Deobfuscate, i.e., allocate, use and free `symbol_count' here
19720 only, and...
19721 (new_itemsets): Allocate `shift_symbol' here.
19722 (allocate_itemsets): symbol_count includes useless nonterminals.
19723 Make room for them.
19724 (free_storage): Use `free', not `XFREE', for pointers that cannot
19725 be null.
19726
19727 2001-12-05 Akim Demaille <akim@epita.fr>
19728
19729 * src/nullable.c (set_nullable): Deobfuscate the handling of
19730 ritem.
19731 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19732
19733 2001-12-05 Akim Demaille <akim@epita.fr>
19734
19735 * src/gram.c, src/gram.h (ritem_print): New.
19736 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
19737 (This useless function was defined only to work around VMS linkers
19738 that can't handle compilation units with variables only).
19739 * src/reduce.c (dump_grammar): Use it to trace the construction of
19740 ritem.
19741
19742 2001-12-04 Paul Eggert <eggert@twinsun.com>
19743
19744 * src/bison.simple (union yyalloc): Change member names
19745 to be the same as the stack names.
19746 (yyparse): yyptr is now union yyalloc *, not char *.
19747 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
19748 and may generate better code on some machines.
19749 (yystpcpy): Use prototype if __STDC__ is defined, not just
19750 if __cplusplus is defined.
19751
19752 2001-11-30 Akim Demaille <akim@epita.fr>
19753
19754 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
19755 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
19756 Gettext doesn't compile cleanly, and dies with -Werror.
19757 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
19758 Include WARNING_CFLAGS here.
19759 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
19760 before being defined.
19761
19762 2001-11-27 Paul Eggert <eggert@twinsun.com>
19763
19764 * lib/quotearg.h (quotearg_n, quotearg_n_style):
19765 First arg is int, not unsigned.
19766 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
19767 (SIZE_MAX, UINT_MAX): New macros.
19768 (quotearg_n_options): Abort if N is negative.
19769 Avoid overflow check on hosts where size_t is 64 bits and int
19770 is 32 bits, as overflow is impossible there.
19771 Fix off-by-one typo that caused unnecessary reallocation.
19772
19773 2001-11-29 Paul Eggert <eggert@twinsun.com>
19774
19775 Name space cleanup in generated parser.
19776
19777 * doc/bison.texinfo (Bison Parser): Discuss system headers
19778 and their effect on the user name space.
19779
19780 * src/bison.simple:
19781 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
19782 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
19783 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
19784
19785 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
19786 on user names when possible.
19787
19788 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
19789 Simplify test for whather <alloca.h> exists.
19790
19791 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
19792
19793 (<stdio.h>): Include if YYDEBUG.
19794
19795 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
19796 ! defined (yyoverflow) && ! defined (yymemcpy).
19797
19798 (yymemcpy, yyparse): Rename local variables as needed so that
19799 they all begin with 'yy'.
19800
19801 (yystrlen, yystpcpy): New functions.
19802
19803 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
19804 All uses changed.
19805
19806 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
19807 instead of relying on string.h functions. Use YYSTACK_ALLOC
19808 and YYSTACK_FREE instead of malloc and free.
19809
19810 2001-11-30 Akim Demaille <akim@epita.fr>
19811
19812 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
19813 before their first uses.
19814 (YYBISON, YYPURE): Move to the top of the output.
19815
19816 2001-11-30 Akim Demaille <akim@epita.fr>
19817
19818 * tests/reduce.at (Useless Nonterminals): Fix.
19819
19820 2001-11-30 Akim Demaille <akim@epita.fr>
19821
19822 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
19823 if body instead of `;' to pacify GCC's warnings.
19824
19825 2001-11-30 Akim Demaille <akim@epita.fr>
19826
19827 Instead of mapping the LHS of unused rules to -1, keep the LHS
19828 valid, but flag the rules as invalid.
19829
19830 * src/gram.h (rule_t): `useful' is a new member.
19831 * src/print.c (print_grammar): Adjust.
19832 * src/derives.c (set_derives): Likewise.
19833 * src/reader.c (packgram, reduce_output): Likewise.
19834 * src/reduce.c (reduce_grammar_tables): Likewise.
19835 * tests/reduce.at (Underivable Rules, Useless Rules): New.
19836
19837 2001-11-30 Akim Demaille <akim@epita.fr>
19838
19839 * src/reduce.c (reduce_output): Formatting changes.
19840 * src/print.c (print_results, print_grammar): Likewise.
19841 * tests/regression.at (Rule Line Numbers)
19842 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
19843
19844 2001-11-30 Akim Demaille <akim@epita.fr>
19845
19846 * src/reduce.c (nonterminals_reduce): Instead of throwing away
19847 useless nonterminals, move them at the end of the symbol arrays.
19848 (reduce_output): Adjust.
19849 * tests/reduce.at (Useless Nonterminals): Adjust.
19850
19851 2001-11-30 Akim Demaille <akim@epita.fr>
19852
19853 * src/reduce.c: Various comment/formatting changes.
19854 (nonterminals_reduce): New, extracted from...
19855 (reduce_grammar_tables): here.
19856 (reduce_grammar): Call nonterminals_reduce.
19857
19858 2001-11-29 Paul Eggert <eggert@twinsun.com>
19859
19860 * src/bison.simple (YYSTACK_REALLOC): Remove.
19861 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
19862 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
19863 New macros.
19864 (union yyalloc): New type.
19865 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
19866 an arbitrary restriction on hosts where size_t is wider than int.
19867
19868 (yyparse): Don't dump core if alloca or malloc fails; instead, report
19869 a parser stack overflow. Allocate just one block of memory for all
19870 three stacks, instead of allocating three blocks; this typically is
19871 faster and reduces fragmentation.
19872
19873 Do not limit the number of items in the stack to a value that fits
19874 in 'int', as this is an arbitrary limit on hosts with 64-bit
19875 size_t and 32-bit int.
19876
19877 2001-11-29 Marc Autret <autret_m@epita.fr>
19878
19879 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
19880 of defining YYERROR_VERBOSE.
19881 [AT_DATA]: $4 is now out of C declarations in the prologue.
19882
19883 2001-11-28 Marc Autret <autret_m@epita.fr>
19884
19885 * src/reader.c (parse_dquoted_param): New.
19886 (parse_skel_decl): Use it.
19887 * src/lex.h: Add its prototype.
19888 * src/lex.c (literalchar): Become not static.
19889
19890 2001-11-28 Marc Autret <autret_m@epita.fr>
19891
19892 * src/output.h: And put its extern declaration here.
19893 * src/output.c (error_verbose): Define here.
19894 (prepare): Echo name modification.
19895 * src/getargs.h: Clean its extern declaration.
19896 * src/getargs.c (error_verbose_flag): Remove.
19897 (getargs): Remove case 'e'.
19898 * src/options.c (option_table): 'error-verbose' is now seen as simple
19899 percent option.
19900 Include output.h.
19901
19902 * src/reader.c (read_declarations): Remove case tok_include.
19903 (parse_include_decl): Remove.
19904 * src/lex.h (token_t): Remove tok_include.
19905 * src/options.c (option_table): 'include' is now a simple command line
19906 option.
19907
19908 2001-11-28 Marc Autret <autret_m@epita.fr>
19909
19910 * src/bison.simple: Adjust muscle names.
19911 * src/muscle_tab.c (muscle_init): Also rename the muscles.
19912 * src/output.c (prepare): s/_/-/ for the muscles names.
19913 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
19914
19915 2001-11-28 Marc Autret <autret_m@epita.fr>
19916
19917 * src/bison.simple: Fix debug.
19918 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
19919
19920 2001-11-28 Akim Demaille <akim@epita.fr>
19921
19922 * src/LR0.c (shifts_new): New.
19923 (save_shifts, insert_start_shift, augment_automaton): Use it.
19924
19925 2001-11-28 Akim Demaille <akim@epita.fr>
19926
19927 * src/closure.c (closure): `b' and `ruleno' denote the same value:
19928 keep ruleno only.
19929
19930 2001-11-28 Akim Demaille <akim@epita.fr>
19931
19932 * src/closure.c (closure): Instead of looping over word in array
19933 then bits in words, loop over bits in array.
19934
19935 2001-11-28 Akim Demaille <akim@epita.fr>
19936
19937 * src/closure.c (closure): No longer optimize the special case
19938 where all the bits of `ruleset[r]' are set to 0, to make the code
19939 clearer.
19940
19941 2001-11-28 Akim Demaille <akim@epita.fr>
19942
19943 * src/closure.c (closure): `r' and `c' are new variables, used to
19944 de-obfuscate accesses to RULESET and CORE.
19945
19946 2001-11-28 Akim Demaille <akim@epita.fr>
19947
19948 * src/reduce.c (reduce_print): Use ngettext.
19949 (dump_grammar): Improve the trace accuracy.
19950
19951 2001-11-28 Akim Demaille <akim@epita.fr>
19952
19953 * src/reduce.c (dump_grammar): Don't translate trace messages.
19954
19955 2001-11-28 Akim Demaille <akim@epita.fr>
19956
19957 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
19958 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
19959 as all tags are free'ed afterwards.
19960 From Enrico Scholz.
19961
19962 2001-11-27 Paul Eggert <eggert@twinsun.com>
19963
19964 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
19965 use alloca when we didn't want to, and vice versa.
19966
19967 2001-11-27 Marc Autret <autret_m@epita.fr>
19968
19969 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
19970 initialization.
19971 * src/output.c (prepare): Remove its update.
19972
19973 2001-11-27 Marc Autret <autret_m@epita.fr>
19974
19975 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
19976 Use %error-verbose.
19977
19978 2001-11-27 Marc Autret <autret_m@epita.fr>
19979
19980 * src/bison.simple: Remove YYERROR_VERBOSE using.
19981 Use %%error_verbose.
19982 (yyparse): Likewise.
19983 * src/output.c (prepare): Give its final value.
19984 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
19985 * src/getargs.h: Add its extern declaration.
19986 * src/getargs.c (error_verbose_flag): New int.
19987 (getargs): Update to catch new case.
19988 * src/options.c (option_table): 'error-verbose' is a new option.
19989 (shortopts): Update.
19990
19991 2001-11-27 Akim Demaille <akim@epita.fr>
19992
19993 * src/system.h: Use intl/libgettext.h.
19994 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
19995
19996 2001-11-27 Akim Demaille <akim@epita.fr>
19997
19998 * tests/torture.at (Exploding the Stack Size with Malloc):
19999 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
20000
20001 2001-11-27 Akim Demaille <akim@epita.fr>
20002
20003 * src/files.c: Include error.h.
20004 Reported by Hans Aberg.
20005
20006 2001-11-26 Marc Autret <autret_m@epita.fr>
20007
20008 * src/reader.c (parse_include_decl): New, not yet implemented.
20009 (read_declarations): Add case tok_include.
20010 * src/getargs.h (include): Add its extern definition.
20011 * src/getargs.c (include): New const char *.
20012 (getargs): Add case '-I'.
20013 * src/options.c (option_table): Add include as command line and
20014 percent option.
20015 * src/lex.h (token_t): Add tok_include.
20016
20017 2001-11-26 Akim Demaille <akim@epita.fr>
20018
20019 * src/reader.c (readgram): Make sure rules for mid-rule actions
20020 have a lineno equal to that of their host rule.
20021 Reported by Hans Aberg.
20022 * tests/regression.at (Rule Line Numbers): New.
20023
20024 2001-11-26 Akim Demaille <akim@epita.fr>
20025
20026 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
20027 size_ts.
20028
20029 2001-11-26 Akim Demaille <akim@epita.fr>
20030
20031 * src/complain.c, src/complain.h (error): Remove, provided by
20032 lib/error.[ch].
20033
20034 2001-11-26 Akim Demaille <akim@epita.fr>
20035
20036 * src/reader.c (read_declarations): Don't abort on tok_illegal,
20037 issue an error message.
20038 * tests/regression.at (Invalid %directive): New.
20039 Reported by Hans Aberg.
20040
20041 2001-11-26 Akim Demaille <akim@epita.fr>
20042
20043 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
20044 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
20045
20046 2001-11-26 Akim Demaille <akim@epita.fr>
20047
20048 * src/conflicts.c (conflicts_print): Don't complain at all when
20049 there are no reduce/reduce conflicts, and as many shift/reduce
20050 conflicts as expected.
20051 * tests/regression.at (%expect right): Adjust.
20052
20053 2001-11-23 Akim Demaille <akim@epita.fr>
20054
20055 * lib/alloca.c: Update, from fileutils.
20056
20057 2001-11-23 Akim Demaille <akim@epita.fr>
20058
20059 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
20060
20061 2001-11-23 Akim Demaille <akim@epita.fr>
20062
20063 * src/system.h: Include alloca.h.
20064 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
20065
20066 2001-11-23 Akim Demaille <akim@epita.fr>
20067
20068 * src/print_graph.c (print_actions): Remove `rule', unused.
20069 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
20070 pacify GCC's signed < unsigned warnings.
20071 * src/closure.c (itemsetsize): Likewise.
20072 * src/reader.c (symbol_list_new): Static.
20073
20074 2001-11-23 Akim Demaille <akim@epita.fr>
20075
20076 Attaching lineno to buckets is stupid, since only one copy of each
20077 symbol is kept, only the line of the first occurrence is kept too.
20078
20079 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
20080 * src/reader.c (rline_allocated): Remove, unused.
20081 (symbol_list): Have a `line' member.
20082 (symbol_list_new): New.
20083 (readgram): Use it.
20084 * src/print.c (print_grammar): Output the rule line numbers.
20085 * tests/regression.at (Solved SR Conflicts)
20086 (Unresolved SR Conflicts): Adjust.
20087 Reported by Hans Aberg.
20088
20089 2001-11-22 Marc Autret <autret_m@epita.fr>
20090
20091 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
20092
20093 2001-11-22 Marc Autret <autret_m@epita.fr>
20094
20095 * src/muscle_tab.c (muscle_init): Remove initialization of
20096 skeleton muscle.
20097 * src/output.c (output_master_parser): Do it here.
20098
20099 2001-11-20 Akim Demaille <akim@epita.fr>
20100
20101 * po/sv.po: New.
20102 * configure.in (ALL_LINGUAS): Adjust.
20103 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
20104 longer contains strings to translate.
20105
20106 2001-11-19 Akim Demaille <akim@epita.fr>
20107
20108 * src/conflicts.c (conflicts_print): Add a missing \n.
20109
20110 2001-11-19 Akim Demaille <akim@epita.fr>
20111
20112 * src/nullable.c (nullable_print): New.
20113 (set_nullable): Call it when tracing.
20114 Better locality of variables.
20115
20116 2001-11-19 Akim Demaille <akim@epita.fr>
20117
20118 * src/print.c (print_actions): Better locality of variables.
20119
20120 2001-11-19 Akim Demaille <akim@epita.fr>
20121
20122 * src/derives.c (print_derives): Fix and enrich.
20123 * src/closure.c (print_fderives): Likewise.
20124
20125 2001-11-19 Akim Demaille <akim@epita.fr>
20126
20127 * src/closure.c (itemsetend): Remove, replaced with...
20128 (itemsetsize): new.
20129
20130 2001-11-19 Akim Demaille <akim@epita.fr>
20131
20132 * src/LR0.c (kernel_end): Remove, replaced with...
20133 (kernel_size): new.
20134
20135 2001-11-19 Akim Demaille <akim@epita.fr>
20136
20137 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
20138 to clarify.
20139
20140 2001-11-19 Akim Demaille <akim@epita.fr>
20141
20142 * src/closure.c (closure): Use arrays instead of pointers to clarify.
20143
20144 2001-11-19 Akim Demaille <akim@epita.fr>
20145
20146 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
20147 trace messages.
20148 * src/LR0.c: Likewise.
20149 (allocate_itemsets): Use arrays instead of pointers to clarify.
20150
20151 2001-11-19 Akim Demaille <akim@epita.fr>
20152
20153 * src/getargs.c (statistics_flag): Replace with...
20154 (trace_flag): New.
20155 (longopts): Accept --trace instead of --statistics.
20156 * src/getargs.h, src/options.c: Adjust.
20157 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
20158 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
20159
20160 2001-11-19 Akim Demaille <akim@epita.fr>
20161
20162 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
20163 pointers to clarify the code.
20164 (save_reductions, save_shifts): Factor common parts of alternatives.
20165
20166 2001-11-19 Akim Demaille <akim@epita.fr>
20167
20168 * src/LR0.c (new_state, get_state): Complete TRACE code.
20169 * src/closure.c: Include `reader.h' to get `tags', needed by the
20170 trace code.
20171 Rename the conditional DEBUG as TRACE.
20172 Output consistently TRACEs to stderr, not stdout.
20173 * src/derives.c: Likewise.
20174 * src/reduce.c: (inaccessable_symbols): Using if is better style
20175 than goto.
20176 Use `#if TRACE' instead of `#if 0' for tracing code.
20177
20178 2001-11-19 Akim Demaille <akim@epita.fr>
20179
20180 * src/system.h (LIST_FREE, shortcpy): New.
20181 * src/LR0.c: Use them.
20182 * src/output.c (free_itemsets, free_reductions, free_shifts):
20183 Remove, replaced by LIST_FREE.
20184
20185 2001-11-19 Akim Demaille <akim@epita.fr>
20186
20187 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
20188 (REDUCTIONS_ALLOC): New.
20189 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
20190 allocation.
20191
20192 2001-11-19 Akim Demaille <akim@epita.fr>
20193
20194 * src/LR0.c (new_state): Complete trace code.
20195 * src/nullable.c (set_nullable): Don't translate traces.
20196
20197 2001-11-19 Akim Demaille <akim@epita.fr>
20198
20199 * src/print_graph.c (print_core): Better locality of variables.
20200 * src/print.c (print_core): Likewise.
20201
20202 2001-11-19 Akim Demaille <akim@epita.fr>
20203
20204 * src/vcg.c: You do the output, so you are responsible of the
20205 handling of VCG syntax, in particular: use quotearg.
20206 * src/print_graph.c: Don't.
20207 (print_actions): Don't output the actions as part of the nodes,
20208 since that's the job of the edges.
20209 (print_state): Don't output by hand: fill the node description,
20210 and ask for its output.
20211
20212 2001-11-19 Akim Demaille <akim@epita.fr>
20213
20214 * src/bison.simple (yyparse): When verbosely reporting an error,
20215 no longer put additional quotes around token names.
20216 * tests/calc.at: Adjust.
20217
20218 2001-11-19 Akim Demaille <akim@epita.fr>
20219
20220 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
20221 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
20222 * src/output.c: Adjust.
20223
20224 2001-11-19 Akim Demaille <akim@epita.fr>
20225
20226 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
20227 (rule_t): this.
20228 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
20229
20230 2001-11-19 Akim Demaille <akim@epita.fr>
20231
20232 * src/gram.h (rule_t): New.
20233 (rule_table): New.
20234 (rrhs, rlhs): Remove, part of state_t.
20235 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
20236 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
20237 * src/reader.c, src/reduce.c: Adjust.
20238
20239 2001-11-19 Akim Demaille <akim@epita.fr>
20240
20241 * src/reader.c (symbols_output): New, extracted from...
20242 (packsymbols): Here.
20243 (reader): Call it.
20244
20245 2001-11-19 Akim Demaille <akim@epita.fr>
20246
20247 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
20248 (maxrhs): this new function.
20249
20250 2001-11-19 Akim Demaille <akim@epita.fr>
20251
20252 * src/lalr.c (F): New macro to access the variable F.
20253 Adjust.
20254
20255 2001-11-19 Akim Demaille <akim@epita.fr>
20256
20257 * src/lalr.h (LA): New macro to access the variable LA.
20258 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20259 * src/lalr.c: Adjust.
20260
20261 2001-11-19 Akim Demaille <akim@epita.fr>
20262
20263 * src/lalr.c (initialize_LA): Only initialize LA. Let...
20264 (set_state_table): handle the `lookaheads' members.
20265
20266 2001-11-19 Akim Demaille <akim@epita.fr>
20267
20268 * src/lalr.h (lookaheads): Removed array, whose contents is now
20269 a member of...
20270 (state_t): this structure.
20271 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20272 Adjust.
20273
20274 2001-11-19 Akim Demaille <akim@epita.fr>
20275
20276 * src/lalr.h (consistent): Removed array, whose contents is now
20277 a member of...
20278 (state_t): this structure.
20279 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20280 Adjust.
20281
20282 2001-11-19 Akim Demaille <akim@epita.fr>
20283
20284 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
20285 contents are now members of...
20286 (state_t): this structure.
20287 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
20288 Adjust.
20289
20290 2001-11-19 Akim Demaille <akim@epita.fr>
20291
20292 * src/lalr.h (state_t): New.
20293 (state_table): Be a state_t * instead of a core **.
20294 (accessing_symbol): Remove, part of state_t.
20295 * src/lalr.c: Adjust.
20296 (set_accessing_symbol): Merge into...
20297 (set_state_table): this.
20298 * src/print_graph.c, src/conflicts.c: Adjust.
20299
20300 2001-11-14 Akim Demaille <akim@epita.fr>
20301
20302 * tests/calc.at, tests/output.at, tests/regression.at,
20303 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
20304 now the tests are run in private dirs, therefore AC_CLEANUP and
20305 family can be simplified to 0-ary.
20306 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
20307 use abs. path to find config.h.
20308 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
20309 stderr, there can be way too much random noise.
20310 Instead pass -Werror to GCC and rely on the exit status.
20311 Reported by Wolfram Wagner.
20312
20313 2001-11-14 Akim Demaille <akim@epita.fr>
20314
20315 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
20316 defined only if yyoverflow is defined, to avoid `warning: unused
20317 variable `yyvs1''.
20318 Reported by The Test Suite.
20319
20320 2001-11-14 Akim Demaille <akim@epita.fr>
20321
20322 * src/print.c: Include reduce.h.
20323 Reported by Hans Aberg.
20324
20325 2001-11-14 Akim Demaille <akim@epita.fr>
20326
20327 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
20328 Revert a previous patch: these are really const.
20329 * src/conflicts.c (conflict_report): Additional useless pair of
20330 braces to pacify GCC's warnings for `if () if () {} else {}'.
20331 * src/lex.c (parse_percent_token): Replace equal_offset with
20332 arg_offset.
20333 arg is const.
20334 Be sure to strdup `arg' when used, since there is no reason for
20335 token_buffer not to change.
20336
20337 2001-11-14 Akim Demaille <akim@epita.fr>
20338
20339 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
20340 definition.
20341 * src/main.c (main): Use them.
20342 Suggested by Hans Aberg.
20343
20344 2001-11-12 Akim Demaille <akim@epita.fr>
20345
20346 * src/system.h (ngettext): Now that we use ngettext, be sure to
20347 provide a default definition when NLS are not used.
20348
20349 2001-11-12 Akim Demaille <akim@epita.fr>
20350
20351 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
20352 Use @kbd to denote user input.
20353 (Language and Grammar): ANSIfy the example.
20354 Adjust its layout for info/notinfo.
20355 (Location Tracking Calc): Output error messages to stderr.
20356 Output locations in a more GNUtically correct way.
20357 Fix a couple of Englishos.
20358 Adjust @group/@end group pairs.
20359
20360 2001-11-12 Akim Demaille <akim@epita.fr>
20361
20362 %expect was not functioning at all.
20363
20364 * src/conflicts.c (expected_conflicts): Set to -1.
20365 (conflict_report): Use ngettext.
20366 (conflicts_print): Check %expect and make its violation an error.
20367 * doc/bison.texinfo (Expect Decl): Adjust.
20368 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
20369 * tests/regression.at (%expect not enough, %expect right)
20370 (%expect too much): New.
20371
20372 2001-11-12 Akim Demaille <akim@epita.fr>
20373
20374 * tests/regression.at (Conflicts): Rename as...
20375 (Unresolved SR Conflicts): this.
20376 (Solved SR Conflicts): New.
20377
20378 2001-11-12 Akim Demaille <akim@epita.fr>
20379
20380 * src/reduce.c (print_results): Rename as...
20381 (reduce_output): This.
20382 Output to OUT, passed as argument, instead of output_obstack.
20383 (dump_grammar): Likewise.
20384 (reduce_free): New.
20385 Also free V1.
20386 (reduce_grammar): No longer call reduce_output, since...
20387 * src/print.c (print_results): do it.
20388 * src/main.c (main): Call reduce_free;
20389
20390 2001-11-12 Akim Demaille <akim@epita.fr>
20391
20392 * src/conflicts.c (print_reductions): Accept OUT as argument.
20393 Output to it, not to output_obstack.
20394 * src/print.c (print_actions): Adjust.
20395
20396 2001-11-12 Akim Demaille <akim@epita.fr>
20397
20398 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
20399 the result instead of using...
20400 (src_total, rrc_total, src_count, rrc_count): Remove.
20401 (any_conflicts): Remove.
20402 (print_conflicts): Split into...
20403 (conflicts_print, conflicts_output): New.
20404 * src/conflicts.h: Adjust.
20405 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
20406 * src/print.c (print_grammar): Issue `\n' between two rules.
20407 * tests/regression.at (Conflicts): New.
20408 Reported by Tom Lane.
20409
20410 2001-11-12 Akim Demaille <akim@epita.fr>
20411
20412 * tests/regression.at (Invalid input): Remove, duplicate with
20413 ``Invalid input: 1''.
20414
20415 2001-11-12 Akim Demaille <akim@epita.fr>
20416
20417 * tests/torture.at (AT_DATA_STACK_TORTURE)
20418 (Exploding the Stack Size with Alloca)
20419 (Exploding the Stack Size with Malloc): New.
20420
20421 2001-11-12 Akim Demaille <akim@epita.fr>
20422
20423 * src/bison.simple (YYSTACK_REALLOC): New.
20424 (yyparse) [!yyoverflow]: Use it and free the old stack.
20425 Reported by Per Allansson.
20426
20427 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
20428
20429 * src/bison.simple: Define type yystype instead of YYSTYPE, and
20430 define CPP macro, which substitute YYSTYPE by yystype.
20431 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
20432 with yyltype/YYLTYPE. This allows inclusion of the generated
20433 header within the parser if the compiler, such as GGC, accepts
20434 multiple equivalent #defines.
20435 From Akim.
20436
20437 2001-11-05 Akim Demaille <akim@epita.fr>
20438
20439 * src/reader.c (symbols_output): New, extracted from...
20440 (packsymbols): here.
20441 (reader): Adjust.
20442
20443 2001-11-05 Akim Demaille <akim@epita.fr>
20444
20445 * src/lex.c (parse_percent_token): s/quotearg/quote/.
20446
20447 2001-11-05 Akim Demaille <akim@epita.fr>
20448
20449 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
20450 pattern.
20451
20452 2001-11-05 Akim Demaille <akim@epita.fr>
20453
20454 * src/options.h (struct option_table_struct): set_flags is void*.
20455 * src/options.c (longopts): Support `--output' and `%output'.
20456 (usage): Adjust.
20457 * src/lex.h (tok_setopt): Remove, replaced with...
20458 (tok_intopt, tok_stropt): these new guys.
20459 * src/lex.c (getopt.h): Not needed.
20460 (token_buffer, unlexed_token_buffer): Not const.
20461 (percent_table): Promote `-' over `_' in directive names.
20462 Active `%name-prefix', `file-prefix', and `output'.
20463 (parse_percent_token): Accept possible arguments to directives.
20464 Promote `-' over `_' in directive names.
20465
20466 2001-11-04 Akim Demaille <akim@epita.fr>
20467
20468 * doc/bison.texinfo (Decl Summary): Split the list into
20469 `directives for grammars' and `directives for bison'.
20470 Sort'em.
20471 Add description of `%name-prefix', `file-prefix', and `output'.
20472 Promote `-' over `_' in directive names.
20473 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
20474 Simplify the description of `--name-prefix'.
20475 Promote `-' over `_' in directive names.
20476 Promote `--output' over `--output-file'.
20477 Fix the description of `--defines'.
20478 * tests/output.at: Exercise %file-prefix and %output.
20479
20480 2001-11-02 Akim Demaille <akim@epita.fr>
20481
20482 * doc/refcard.tex: Update.
20483
20484 2001-11-02 Akim Demaille <akim@epita.fr>
20485
20486 * src/symtab.h (SUNDEF): New.
20487 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
20488 stand for `uninitialized', instead of 0.
20489 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
20490 * src/lex.c (lex): Adjust.
20491
20492 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
20493 Number it 0.
20494 Let yylex return it instead of a plain 0.
20495 Reported by Dick Streefland.
20496
20497 2001-11-02 Akim Demaille <akim@epita.fr>
20498
20499 * tests/regression.at (Mixing %token styles): New test.
20500
20501 2001-11-02 Akim Demaille <akim@epita.fr>
20502
20503 * src/reader.c (parse_thong_decl): Formatting changes.
20504 (token_translations_init): New, extracted from...
20505 (packsymbols): Here.
20506 Adjust.
20507
20508 2001-11-01 Akim Demaille <akim@epita.fr>
20509
20510 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
20511 Check that `9foo.y' produces correct cpp guards.
20512 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
20513 guards.
20514 Reported by Wwp.
20515
20516 2001-11-01 Akim Demaille <akim@epita.fr>
20517
20518 * tests/regression.at (Invalid input: 2): New.
20519 * src/lex.c (unlexed_token_buffer): New.
20520 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
20521 too.
20522 Reported by Wwp.
20523
20524 2001-11-01 Akim Demaille <akim@epita.fr>
20525
20526 * tests/calc.at: Catch up with 1.30.
20527 * configure.in: Bump to 1.49a.
20528 Adjust to newer Autotest.
20529
20530 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
20531
20532 * src/conflicts.c: Move global variables rrc_total and src_total ...
20533 (print_conflicts): here.
20534 * src/output.c (output): Free global variable user_toknums.
20535 * src/lex.c (token_obstack): Become static.
20536
20537 2001-10-18 Akim Demaille <akim@epita.fr>
20538
20539 * tests/atlocal.in (GCC): Add.
20540 * tests/calc.at: s/m4_match/m4_bmatch/.
20541 s/m4_patsubst/m4_bpatsubst/.
20542 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
20543 * configure.in: AC_SUBST(GCC).
20544
20545 2001-10-14 Marc Autret <autret_m@epita.fr>
20546
20547 * src/options.c (create_long_option_table): Fix.
20548
20549 2001-10-10 Akim Demaille <akim@epita.fr>
20550
20551 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
20552
20553 2001-10-04 Akim Demaille <akim@epita.fr>
20554
20555 * src/reader.c (parse_union_decl): Push the caracters in
20556 union_obstack, not attrs_obstack.
20557
20558 2001-10-04 Akim Demaille <akim@epita.fr>
20559
20560 Merge in the branch 1.29.
20561
20562 * src/reader.c (packsymbols): Use a temporary obstack for
20563 `%%tokendef', since output_stack is already used elsewhere.
20564
20565 2001-10-02 Akim Demaille <akim@epita.fr>
20566
20567 Bump 1.29d.
20568
20569 2001-10-02 Akim Demaille <akim@epita.fr>
20570
20571 Version 1.29c.
20572
20573 2001-10-02 Akim Demaille <akim@epita.fr>
20574
20575 * tests/regression.at (Invalid CPP headers): New.
20576 From Alexander Belopolsky.
20577 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
20578
20579 2001-10-02 Akim Demaille <akim@epita.fr>
20580
20581 * tests/regression.at (Invalid input): New.
20582 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
20583 Reported by Shura.
20584
20585 2001-10-02 Akim Demaille <akim@epita.fr>
20586
20587 * tests/calc.at: Now that --debug works, the tests must be adjusted.
20588
20589 2001-10-02 Akim Demaille <akim@epita.fr>
20590
20591 * src/output.c (output_parser): Assert `skeleton'.
20592 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
20593 systems.
20594 From Shura.
20595
20596 2001-10-01 Marc Autret <autret_m@epita.fr>
20597
20598 * src/lex.h: Echo modifications.
20599 * src/lex.c (unlex): Parameter is now token_t.
20600 From Hans Aberg.
20601
20602 2001-10-01 Marc Autret <autret_m@epita.fr>
20603
20604 * src/main.c: Include lex.h.
20605 From Hans Aberg.
20606
20607 2001-09-29 Akim Demaille <akim@epita.fr>
20608
20609 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
20610
20611 2001-09-28 Akim Demaille <akim@epita.fr>
20612
20613 * tests/testsuite.at: Update to newer Autotest.
20614 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
20615
20616 2001-09-27 Akim Demaille <akim@epita.fr>
20617
20618 Position independent wrapper.
20619
20620 * tests/bison: Remove.
20621 * tests/bison.in: New.
20622 * configure.in: Adjust.
20623
20624 2001-09-27 Paul Eggert <eggert@twinsun.com>
20625
20626 Port quotearg fixes from tar 1.13.24.
20627
20628 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
20629 tm to be declared.
20630 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
20631 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
20632
20633 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
20634 * m4/mbrtowc.m4: New file.
20635 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
20636 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
20637
20638 2001-09-27 Akim Demaille <akim@epita.fr>
20639
20640 Bump to 1.29c.
20641
20642 2001-09-27 Akim Demaille <akim@epita.fr>
20643
20644 Version 1.29b.
20645
20646 2001-09-25 Akim Demaille <akim@epita.fr>
20647
20648 * src/system.h: Include `xalloc.h'.
20649 Remove it from the C files.
20650 * src/files.c (output_files): Free the obstacks.
20651 * src/lex.c (init_lex): Rename as...
20652 (lex_init): this.
20653 (lex_free): New.
20654 * src/main.c (main): Use it.
20655
20656 2001-09-24 Marc Autret <autret_m@epita.fr>
20657
20658 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
20659 to output informations in fout (FILE*).
20660 (open_graph, close_graph): Likewise.
20661 (output_graph, output_edge, output_node): Likewise.
20662 * src/vcg.h: Update function prototypes.
20663 * src/print_graph.c (print_graph): Open output graph file.
20664 (print_actions): Adjust.
20665 * src/files.h: Remove extern declaration.
20666 * src/files.c: Remove graph_obstack declaration.
20667 (open_files): Remove graph_obstack initialization.
20668 (output_files): Remove graph_obstack saving.
20669
20670 2001-09-24 Marc Autret <autret_m@epita.fr>
20671
20672 * src/files.c (compute_output_file_names): Fix.
20673
20674 2001-09-24 Marc Autret <autret_m@epita.fr>,
20675 Akim Demaille <akim@epita.fr>
20676
20677 * src/reader.c (reader): Remove call to free_symtab ().
20678 * src/main.c (main): Call it here.
20679 Include symtab.h.
20680 * src/conflicts.c (initialize_conflicts): Rename as...
20681 (solve_conflicts): this.
20682 * src/print.c (print_core, print_actions, print_state)
20683 (print_grammar): Dump to a file instead a `output_obstack'.
20684 (print_results): Dump `output_obstack', and then proceed with the
20685 FILE *.
20686 * src/files.c (compute_output_file_names, close_files): New.
20687 (output_files): Adjust.
20688 * src/main.c (main): Adjust.
20689
20690 2001-09-23 Marc Autret <autret_m@epita.fr>
20691
20692 * src/files.c (compute_header_macro): Computes header macro name
20693 from spec_defines_file when given.
20694
20695 2001-09-23 Marc Autret <autret_m@epita.fr>
20696
20697 * src/files.c (output_files): Add default extensions.
20698
20699 2001-09-22 Akim Demaille <akim@epita.fr>
20700
20701 * src/conflicts.c (finalize_conflicts): Rename as...
20702 (free_conflicts): this.
20703
20704 2001-09-22 Akim Demaille <akim@epita.fr>
20705
20706 * src/gram.c (gram_free): Rename back as...
20707 (dummy): this.
20708 (output_token_translations): Free `token_translations'.
20709 * src/symtab.c (free_symtab): Free the tag field.
20710
20711 2001-09-22 Akim Demaille <akim@epita.fr>
20712
20713 Remove `translations' as it is always set to true.
20714
20715 * src/gram.h: Adjust.
20716 * src/reader.c (packsymbols, parse_token_decl): Adjust
20717 * src/print.c (print_grammar): Adjust.
20718 * src/output.c (output_token_translations): Adjust.
20719 * src/lex.c (lex): Adjust.
20720 * src/gram.c: Be sure the set pointers to NULL.
20721 (dummy): Rename as...
20722 (gram_free): this.
20723
20724 2001-09-22 Akim Demaille <akim@epita.fr>
20725
20726 * configure.in: Invoke AM_LIB_DMALLOC.
20727 * src/system.h: Use dmalloc.
20728 * src/LR0.c: Be sure to have pointers initialized to NULL.
20729 (allocate_itemsets): Allocate kernel_items only if needed.
20730
20731 2001-09-22 Akim Demaille <akim@epita.fr>
20732
20733 * configure.in: Bump to 1.29b.
20734 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
20735 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
20736 need xmalloc.c in calc.y.
20737 From Pascal Bart.
20738
20739 2001-09-21 Akim Demaille <akim@epita.fr>
20740
20741 Version 1.29a.
20742 * Makefile.maint, config/config.guess, config/config.sub,
20743 * config/missing: Update from masters.
20744 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
20745 upon package.m4.
20746 * configure.in (ALL_LINGUAS): Add `tr'.
20747
20748 2001-09-21 Akim Demaille <akim@epita.fr>
20749
20750 * tests/Makefile.am (package.m4): Move to...
20751 ($(srcdir)/$(TESTSUITE)): here.
20752
20753 2001-09-20 Akim Demaille <akim@epita.fr>
20754
20755 * src/complain.c: No longer try to be standalone: use system.h.
20756 Don't assume __STDC__ is defined to 1. Just test if it is defined.
20757 * src/complain.h: Likewise.
20758 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
20759 Remove the unused variable `n'.
20760 From Albert Chin-A-Young.
20761
20762 2001-09-18 Marc Autret <autret_m@epita.fr>
20763
20764 * doc/bison.1: Update.
20765 * doc/bison.texinfo (Bison Options): Update --defines and --graph
20766 descriptions.
20767 (Option Cross Key): Update.
20768 Add --graph.
20769
20770 2001-09-18 Marc Autret <autret_m@epita.fr>
20771
20772 * tests/regression.at: New test (comment in %union).
20773
20774 2001-09-18 Marc Autret <autret_m@epita.fr>
20775
20776 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
20777 do that.
20778 Reported by Keith Browne.
20779
20780 2001-09-18 Marc Autret <autret_m@epita.fr>
20781
20782 * tests/output.at: Add tests for --defines and --graph.
20783
20784 2001-09-18 Marc Autret <autret_m@epita.fr>
20785
20786 * tests/output.at: Removes tests of %{header,src}_extension features.
20787
20788 2001-09-18 Akim Demaille <akim@epita.fr>
20789
20790 * tests/Makefile.am (package.m4): New.
20791 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
20792 (_AT_CHECK_CALC_ERROR): Likewise.
20793 Factor the `, ' part of verbose error messages.
20794
20795 2001-09-18 Marc Autret <autret_m@epita.fr>
20796
20797 * src/getargs.c (longopts): Declare --defines and --graph as options
20798 with optional arguments.
20799 * src/files.h: Add extern declarations.
20800 * src/files.c (spec_graph_file, spec_defines_file): New.
20801 (output_files): Update.
20802 Remove CPP-outed code.
20803
20804 2001-09-18 Marc Autret <autret_m@epita.fr>
20805
20806 Turn off %{source,header}_extension feature.
20807
20808 * src/files.c (compute_exts_from_gf): Update.
20809 (compute_exts_from_src): Update.
20810 (output_files): CPP-out useless code.
20811 * src/files.h: Remove {header,source}_extension extern declarations.
20812 * src/reader.c (parse_dquoted_param): CPP-out.
20813 (parse_header_extension_decl): Remove.
20814 (parse_source_extension_decl): Remove.
20815 (read_declarations): Remove cases tok_{hdrext,srcext}.
20816 * src/lex.c (percent_table): Remove {header,source}_extension entries.
20817 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
20818
20819 2001-09-10 Akim Demaille <akim@epita.fr>
20820
20821 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
20822 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
20823 (AT_CHECK_OUTPUT): this.
20824 Merely check ls' exit status, its output is useless.
20825
20826 2001-09-10 Akim Demaille <akim@epita.fr>
20827
20828 * tests/calc.at: Use m4_match.
20829 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
20830
20831 2001-09-10 Marc Autret <autret_m@epita.fr>,
20832 Akim Demaille <akim@epita.fr>
20833
20834 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
20835 enum color_e.
20836 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
20837 to `normal'.
20838 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
20839 * src/lex.h: Adjust prototype.
20840 (token_t): Add `tok_undef'.
20841 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
20842 (parse_percent_token): Now returns token_t.
20843 Add default statement in switch.
20844 (lex): Separate `c' as an input variable, from the token_t result
20845 part.
20846 (unlexed): Is a token_t.
20847
20848 2001-09-10 Akim Demaille <akim@epita.fr>
20849
20850 * configure.in: Bump to 1.29a.
20851
20852 2001-09-07 Akim Demaille <akim@epita.fr>
20853
20854 Version 1.29.
20855
20856 2001-08-30 Akim Demaille <akim@epita.fr>
20857
20858 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
20859 * m4/atconfig.m4: Remove.
20860 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
20861 * tests/bison: New.
20862 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
20863 m4_if, m4_patsubst, and m4_regexp.
20864 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
20865 `input' file instead of echo.
20866
20867 2001-08-29 Akim Demaille <akim@epita.fr>
20868
20869 Bump to 1.28e.
20870
20871 2001-08-29 Akim Demaille <akim@epita.fr>
20872
20873 Version 1.28d.
20874
20875 2001-08-29 Paul Eggert <eggert@twinsun.com>
20876
20877 * src/bison.simple (yyparse): Don't take the address of an
20878 item before the start of an array, as that doesn't conform to
20879 the C Standard.
20880
20881 2001-08-29 Robert Anisko <anisko_r@epita.fr>
20882
20883 * doc/bison.texinfo (Location Tracking Calc): New node.
20884
20885 2001-08-29 Paul Eggert <eggert@twinsun.com>
20886
20887 * src/output.c (output): Do not define const, as this now
20888 causes more problems than it cures.
20889
20890 2001-08-29 Akim Demaille <akim@epita.fr>
20891
20892 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
20893 the nodes.
20894 Be sure to tag the `detailmenu'.
20895
20896 2001-08-29 Akim Demaille <akim@epita.fr>
20897
20898 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
20899 download in a tmp dir.
20900
20901 2001-08-28 Marc Autret <autret_m@epita.fr>
20902
20903 * config/depcomp: New file.
20904
20905 2001-08-28 Marc Autret <autret_m@epita.fr>
20906
20907 * doc/bison.1 (mandoc): Adjust.
20908 From Juan Manuel Guerrero.
20909
20910 2001-08-28 Marc Autret <autret_m@epita.fr>
20911
20912 * src/print_graph.c (print_state): Fix.
20913
20914 2001-08-27 Marc Autret <autret_m@epita.fr>
20915
20916 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
20917 char * members.
20918 Echo modifications to the functions prototypes.
20919 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
20920
20921 2001-08-27 Marc Autret <autret_m@epita.fr>
20922
20923 * src/vcg.c: Include `xalloc.h'.
20924 (add_colorentry): New.
20925 (add_classname): New.
20926 (add_infoname): New.
20927 * src/vcg.h: Add new prototypes.
20928
20929 2001-08-27 Akim Demaille <akim@epita.fr>
20930
20931 * Makefile.maint: Sync. again with CVS Autoconf.
20932
20933 2001-08-27 Akim Demaille <akim@epita.fr>
20934
20935 * Makefile.maint: Formatting changes.
20936 (po-update, cvs-update, update): New targets.
20937 (AMTAR): Remove.
20938
20939 2001-08-27 Akim Demaille <akim@epita.fr>
20940
20941 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20942 * Makefile.maint: Sync. with CVS Autoconf.
20943
20944 2001-08-27 Marc Autret <autret_m@epita.fr>
20945
20946 * src/vcg.h (struct infoname_s): New.
20947 (struct colorentry_s): New.
20948 (graph_s): New fields {vertical,horizontal}_order in structure.
20949 Add `infoname' field.
20950 Add `colorentry' field;
20951 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
20952 (G_HORIZONTAL_ORDER): New.
20953 (G_INFONAME): New.
20954 (G_COLORENTRY): New.
20955 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
20956 Add output of `infoname'.
20957 Add output of `colorentry'.
20958
20959 2001-08-27 Marc Autret <autret_m@epita.fr>
20960
20961 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
20962 This one shadowed a global parameter.
20963
20964 2001-08-24 Marc Autret <autret_m@epita.fr>
20965
20966 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
20967 instead of `unsigned'.
20968 (print_state): Do not call obstack_object_size () in obstack_grow ()
20969 to avoid macro variables shadowing.
20970
20971 2001-08-23 Marc Autret <autret_m@epita.fr>
20972
20973 * src/lex.c (percent_table): Typo: s/naem/name/.
20974 Add graph option.
20975 Normalize new options declarations.
20976
20977 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
20978
20979 * tests/suite.at: Exercise %header_extension and %source_extension.
20980
20981 2001-08-16 Marc Autret <autret_m@epita.fr>
20982
20983 * src/reader.c (parse_dquoted_param): New.
20984 (parse_header_extension_decl): Use it.
20985 (parse_source_extension_decl): Likewise.
20986
20987 2001-08-16 Marc Autret <autret_m@epita.fr>
20988
20989 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
20990 (get_xxxx_str): Use assert () instead of complain ().
20991 Remove return invokations in default cases.
20992 (get_decision_str): Modify default behaviour. Remove second argument.
20993 Echo modifications on calls.
20994 (output_graph): Fix.
20995
20996 2001-08-16 Marc Autret <autret_m@epita.fr>
20997
20998 * src/getargs.c (usage): Update with ``-g, --graph''.
20999
21000 2001-08-16 Marc Autret <autret_m@epita.fr>
21001
21002 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
21003 (Option Cross Key): Likewise.
21004 * doc/bison.1: Update.
21005
21006 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
21007
21008 * src/output.c (output_master_parser): Don't finish action_obstack.
21009 (output_parser): Don't care about the muscle action, here.
21010 (prepare): Copy the action_obstack in the action muscle.
21011 (output): Free action_obstack.
21012
21013 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21014
21015 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
21016 will contain `%union' declaration.
21017 (parse_union_decl): Delete #line directive output.
21018 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
21019 informations about %union.
21020 (parse_union_decl): Copy the union_obstack in the muscle stype.
21021 * src/bison.simple: Add new #line directive.
21022 Add typdef %%stype YYSTYPE.
21023
21024 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21025
21026 * src/bison.simple: Add new `#line' directive.
21027
21028 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
21029
21030 * src/bison.simple: New `#line' directive.
21031 * src/output.c (output_parser): Support new dynamic muscle input_line.
21032
21033 2001-09-22 Marc Autret <autret_m@epita.fr>
21034
21035 * src/output.c (output_master_parser): New.
21036 (output_parser): Be more re-entrant.
21037
21038 2001-09-21 Marc Autret <autret_m@epita.fr>
21039
21040 * src/reader.c (copy_definition, parse_union_decl): Update and use
21041 `linef' muscle.
21042 (copy_action): Likewise.
21043 Use obstack_1grow ().
21044 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
21045
21046 2001-09-21 Marc Autret <autret_m@epita.fr>
21047
21048 * src/options.c (option_table): Adjust.
21049 * src/lex.c (parse_percent_token): Fix.
21050
21051 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21052
21053 * src/options.c (symtab.h): Include it, need by lex.h.
21054
21055 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21056
21057 * src/lex.c (parse_percent_token): Change type of variable `tx', which
21058 is now an option_table_struct*.
21059 (option_strcmp): New function option_strcmp.
21060 (parse_percent_token): Call option_strcmp.
21061 * src/getargs.c (xalloc.h, options.h): Include it.
21062 (getargs): Call create_long_option_table.
21063 (getargs): Free longopts at the end of the function.
21064 (shortopts): Move in options.c.
21065 * src/options.c (create_long_option_table): New function. Convert
21066 information from option_table to option structure.
21067 * src/reader.c (options.h): Include it.
21068
21069 * src/Makefile.am: Adjust.
21070 * src/options.c (option_table): Create from longopts and percent_table.
21071 * src/getargs.c (longopts): Delete.
21072 * src/lex.c (struct percent_table_struct): Delete.
21073 (percent_table): Delete.
21074 (options.h): Include it.
21075 * src/options.c: Create.
21076 * src/options.h: Create.
21077 Declare enum opt_access_e.
21078 Define struct option_table_struct.
21079
21080 2001-09-20 Marc Autret <autret_m@epita.fr>
21081
21082 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
21083 sections of Bison.
21084
21085 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
21086
21087 * src/bison.simple: s/%%filename/%%skeleton.
21088 * src/muscle_tab.c (getargs.h): Include it.
21089 (muscle_init): Insert new muscle skeleton.
21090
21091 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
21092
21093 * src/output.c (output_parser): Delete unused variable actions_dumped.
21094
21095 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
21096
21097 * src/output.c (output): Delete call to reader_output_yylsp.
21098 * src/reader.c (reader): Likewise.
21099 * src/reader.h: Delete declaration of reader_output_yylsp.
21100
21101 2001-09-02 Marc Autret <autret_m@epita.fr>
21102
21103 * src/reader.c: Include muscle_tab.h.
21104 (parse_union_decl): Update.
21105 (parse_macro_decl): Rename parse_muscle_decl.
21106 Update to use renamed functions and variable.
21107 (read_declarations, copy_action, read_additionnal_code, : Updated
21108 with correct variables and functions names.
21109 (packsymbols, reader): Likewise.
21110
21111 * src/reader.h (muscle_obstack): Extern declaration update.
21112
21113 * src/output.c: Include muscle_tab.h
21114 In all functions using macro_insert, change by using muscle_insert ().
21115 (macro_obstack): Rename muscle_obstack.
21116 Echo modifications in the whole file.
21117 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
21118 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
21119 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
21120
21121 * src/muscle_tab.h: Update double inclusion macros.
21122 (macro_entry_s): Rename muscle_entry_s.
21123 Update prototypes.
21124
21125 * src/muscle_tab.c: Include muscle_tab.h.
21126 Rename macro_tabble to muscle_table.
21127 (mhash1, mhash2, mcmp): Use muscle_entry.
21128 (macro_init): Rename muscle_init. Update.
21129 (macro_insert): Rename muscle_insert. Update.
21130 (macro_find): Rename muscle_find. Update.
21131
21132 * src/main.c: Include muscle_tab.h.
21133 (main): Call muscle_init ().
21134 * src/Makefile.am (bison_SOURCES): Echo modifications.
21135
21136 2001-09-02 Marc Autret <autret_m@epita.fr>
21137
21138 Now the files macro_tab.[ch] are named muscle_tab.[ch].
21139
21140 * src/muscle_tab.c, src/muscle_tab.h: Add files.
21141
21142 2001-09-02 Marc Autret <autret_m@epita.fr>
21143
21144 * src/macrotab.c, src/macrotab.h: Remove.
21145
21146 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
21147
21148 * src/reader.c (copy_guard): Use muscle to specify the `#line'
21149 filename.
21150
21151 2001-09-01 Marc Autret <autret_m@epita.fr>
21152
21153 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
21154 to an explicit value to activate the feature. We do it here.
21155
21156 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21157
21158 * src/output.c (prepare): Delete the `filename' muscule insertion.
21159 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
21160 (parse_union_decl): Likewise.
21161 * src/macrotab.c (macro_init): Initialize filename by infile.
21162
21163 2001-08-31 Marc Autret <autret_m@epita.fr>
21164
21165 * src/bison.simple (YYLSP_NEEDED): New definition.
21166 * src/output.c (prepare): Add macro insertion of `locations_flag'
21167
21168 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21169
21170 * src/output.c (prepare): Delete insertion of previous muscles,
21171 and insert the `prefix' muscles.
21172 * src/macrotab.c (macro_init): Likewise.
21173 (macro_init): Initialization prefix directive by `yy'.
21174 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
21175 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
21176 yylval, yydebug, yyerror, yynerrs and yyparse.
21177 New directive `#define' to substitute yydebug, ... with option
21178 name_prefix.
21179
21180 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21181
21182 * src/main.c (main): Standardize.
21183 * src/output.c (output_table_data, output_parser): Likewise.
21184 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
21185
21186 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
21187
21188 * src/reader.c (read_additionnal_code): Rename %%user_code to
21189 %%epilogue.
21190 * src/output.c (output): Rename %%declarations to %%prologue.
21191 * src/bison.simple: Echo modifications.
21192
21193 2001-08-31 Marc Autret <autret_m@epita.fr>
21194
21195 * src/reader.c (readgram): CleanUp.
21196 (output_token_defines): Likewise.
21197 (packsymbols): Likewise.
21198 (reader): Likewise.
21199 * src/output.c (output): CPP-out useless code.
21200
21201 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
21202
21203 * src/reader.c (reader): Delete obsolete call to function
21204 output_trailers and output_headers.
21205 * src/output.h: Remove obsolete functions prototypes of output_headers
21206 and output_trailers.
21207
21208 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
21209
21210 * src/main.c: Include macrotab.h.
21211 * src/macrotab.h (macro_entry_s): Constify fields.
21212 Adjust functions prototypes.
21213 * src/macrotab.c (macro_insert): Constify key and value.
21214 (macro_find): Constify key.
21215 (macro_insert): Include 'xalloc.h'
21216 (macro_insert): Use XMALLOC.
21217 (macro_find): Constify return value.
21218 * src/output.c (output_table_data): Rename table to table_data.
21219 (output_parser): Constify macro_key, macro_value.
21220
21221 2001-08-30 Marc Autret <autret_m@epita.fr>
21222
21223 * src/reader.c (parse_skel_decl): New.
21224 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
21225 * src/lex.h (token_t): New token `tok_skel'.
21226 * src/lex.c (percent_table): Add skeleton option entry.
21227 Standardize.
21228
21229 2001-08-29 Marc Autret <autret_m@epita.fr>
21230
21231 * src/bison.simple: Add %%user_code directive at the end.
21232 * src/reader.c (read_additionnal_code): New.
21233 (reader): Use it.
21234 * src/output.c (output_program): Remove.
21235 (output): Update.
21236
21237 2001-08-28 Marc Autret <autret_m@epita.fr>
21238
21239 * src/output.c (output_actions): Clean up.
21240 (output_gram): CPP-out useless code.
21241 * src/reader.c (reader): Clean up, CPP-out useless code.
21242
21243 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
21244
21245 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
21246 directive.
21247 * src/bison.simple: Add `%%definitions'.
21248
21249 2001-08-28 Marc Autret <autret_m@epita.fr>
21250
21251 * config/depcomp: New file.
21252
21253 2001-08-27 Paul Eggert <eggert@twinsun.com>
21254
21255 * src/bison.simple (yyparse): Don't take the address of an
21256 item before the start of an array, as that doesn't conform to
21257 the C Standard.
21258
21259 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
21260
21261 * src/output.c (output): Remove the initialization of the macro
21262 obstack. It was done too late here.
21263
21264 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
21265 completely wrong.
21266 (reader): Initialize the macro obstack here, since we need it to grow
21267 '%define' directives.
21268
21269 * src/reader.h: Declare the macro obstack as extern.
21270
21271 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
21272
21273 * src/output.c (output_parser): Fix. Store single '%' characters in
21274 the output obstack instead of throwing them away.
21275
21276 2001-08-27 Akim Demaille <akim@epita.fr>
21277
21278 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
21279
21280 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21281
21282 * lib/Makefile.am: Adjust.
21283
21284 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21285
21286 * src/bison.simple: Update and add '%%' directives.
21287
21288 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21289
21290 * src/reader.c (reader): Remove calls to 'output_headers' and
21291 'output_trailers'. Remove some C output.
21292 (readgram): Disable a piece of code that was writing a default
21293 definition for 'YYSTYPE'.
21294 (reader_output_yylsp): Remove.
21295 (packsymbols): Output token defintions to a macro.
21296 (copy_definition): Disable C output.
21297
21298 * src/reader.c (parse_macro_decl): New function used to parse macro
21299 declarations.
21300 (copy_string2): Put the body of copy_string into this new function.
21301 Add a parameter to let the caller choose whether he wants to copy the
21302 string delimiters or not.
21303 (copy_string): Be a simple call to copy_string2 with the last argument
21304 bound to true.
21305 (read_declarations): Add case for macro definition.
21306 (copy_identifier): New.
21307 (parse_macro_decl): Read macro identifiers using copy_identifier
21308 rather than lex.
21309
21310 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21311
21312 * src/output.c (prepare): Add prefixed names.
21313 (output_parser): Output semantic actions.
21314 (output_parser): Fix bug on '%%line' directives.
21315
21316 * src/output.c (output_headers): Remove. The C code printed by this
21317 function should now be in the skeletons.
21318 (output_trailers): Remove.
21319 (output): Disable call to 'reader_output_yylsp'.
21320 (output_rule_data): Do not output tables to the table obstack.
21321
21322 * src/output.c: Remove some C dedicated output.
21323 Improve the use of macro and output obstacks.
21324 (output_defines): Remove.
21325
21326 * src/output.c (output_token_translations): Associate 'translate'
21327 table with a macro. No output to the table obstack.
21328 (output_gram): Same for 'rhs' and 'prhs'.
21329 (output_stos): Same for 'stos'.
21330 (output_rule_data): Same for 'r1' and 'r2'.
21331 (token_actions): Same for 'defact'.
21332 (goto_actions): Same for 'defgoto'.
21333 (output_base): Same for 'pact' and 'pgoto'.
21334 (output_table): Same for 'table'.
21335 (output_check): Same for 'check'.
21336
21337 * src/output.c (output_table_data): New function.
21338 (output_short_table): Remove.
21339 (output_short_or_char_table): Remove.
21340
21341 * src/output.c (output_parser): Replace most of the skeleton copy code
21342 with something new. Skeletons are now processed character by character
21343 rather than line by line, and Bison looks for '%%' macros. This is the
21344 first step in making Bison's output process (a lot) more flexible.
21345 (output_parser): Use the macro table.
21346
21347 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21348
21349 * src/main.c (main): Initialize the macro table.
21350
21351 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21352
21353 * src/lex.c (percent_table): Add tok_define.
21354 * src/lex.h: Add tok_define.
21355
21356 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21357
21358 * src/macrotab.c: New file.
21359 * src/macrotab.h: New file.
21360 * src/Makefile.am: Update.
21361
21362 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
21363
21364 * lib/hash.c: New file.
21365 * lib/hash.h: New file.
21366 * lib/Makefile.am: Update.
21367
21368 2001-08-15 Akim Demaille <akim@epita.fr>
21369
21370 Version 1.28c.
21371
21372 2001-08-15 Marc Autret <autret_m@epita.fr>
21373
21374 * src/reader.c (readgram): Indent output macro YYSTYPE.
21375 (packsymbols): Likewise.
21376 (output_token_defines): Likewise.
21377 * src/files.c: Standardize.
21378 (compute_header_macro): New.
21379 (defines_obstack_save): New. Use compute_header_macro.
21380 (output_files): Update. Use defines_obstack_save.
21381
21382 2001-08-15 Akim Demaille <akim@epita.fr>
21383
21384 * doc/bison.texinfo (Table of Symbols): Document
21385 YYSTACK_USE_ALLOCA.
21386
21387 2001-08-15 Akim Demaille <akim@epita.fr>
21388
21389 * missing: Update from CVS Automake.
21390 * config/config.guess, config/config.sub, config/texinfo.tex:
21391 Update from gnu.org.
21392
21393 2001-08-15 Akim Demaille <akim@epita.fr>
21394
21395 * Makefile.maint: Sync with CVS Autoconf.
21396
21397 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
21398
21399 * doc/bison.texinfo: Include GNU Free Documentation License from
21400 `fdl.texi'.
21401 * doc/fdl.texi: Add to package.
21402
21403 2001-08-14 Marc Autret <autret_m@epita.fr>
21404
21405 Turn on %{source,header}_extension features.
21406
21407 * src/lex.c (percent_table): Un-CPP out header_extension and
21408 source_extension.
21409 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
21410 (compute_exts_from_src): Remove conditions. It restores priorities
21411 between options.
21412
21413 2001-08-14 Marc Autret <autret_m@epita.fr>
21414
21415 * src/files.c (compute_base_names): Add extensions computing when
21416 `--file-prefix' used.
21417 Standardize function calls.
21418
21419 2001-08-13 Marc Autret <autret_m@epita.fr>
21420
21421 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
21422 defining it (defined but null disables alloca).
21423
21424 2001-08-13 Marc Autret <autret_m@epita.fr>
21425
21426 * src/bison.simple (_yy_memcpy): CPP reformat.
21427
21428 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
21429
21430 * tests/atconfig.in (CPPFLAGS): Fix.
21431
21432 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
21433
21434 * doc/bison.texinfo: Include GNU General Public License from
21435 `gpl.texi'.
21436 * doc/gpl.texi: Add to package.
21437
21438 2001-08-10 Marc Autret <autret_m@epita.fr>
21439
21440 * src/print_graph.h: Fix.
21441 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
21442
21443 2001-08-10 Akim Demaille <akim@epita.fr>
21444
21445 * src/system.h: Provide default declarations for stpcpy, strndup,
21446 and strnlen.
21447
21448 2001-08-10 Robert Anisko <anisko_r@epita.fr>
21449
21450 * doc/bison.texinfo (Locations): Update @$ stuff.
21451
21452 2001-08-09 Robert Anisko <anisko_r@epita.fr>
21453
21454 * src/bison.simple (YYLLOC_DEFAULT): Update.
21455 (yyparse): Adjust.
21456
21457 2001-08-08 Marc Autret <autret_m@epita.fr>
21458
21459 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
21460 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
21461 Reported by Fabrice Bauzac.
21462
21463 2001-08-08 Marc Autret <autret_m@epita.fr>
21464
21465 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
21466 * src/vcg.c (output_node): Fix.
21467 * src/vcg.h: Cleanup.
21468 * src/print_graph.c: Add comments.
21469 (node_output_size): New global variable. Simplify the formatting of
21470 the VCG graph output.
21471 (print_actions): Unused code is now used. It notifies the final state
21472 and no action states in the VCG graph. It also give the reduce actions.
21473 The `shift and goto' edges are red and the `go to state' edges are
21474 blue.
21475 Get the current node name and node_obstack by argument.
21476 (node_obstack): New variable.
21477 (print_state): Manage node_obstack.
21478 (print_core): Use node_obstack given by argument.
21479 A node is not only computed here but in print_actions also.
21480 (print_graph): CPP out useless code instead of commenting it.
21481
21482 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
21483
21484 * tests/atconfig.in (CPPFLAGS): Fix.
21485
21486 2001-08-07 Akim Demaille <akim@epita.fr>
21487
21488 * src/print_graph.c (quote): New.
21489 (print_core): Use it.
21490
21491 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
21492
21493 * src/vcg.c (complain.h): Include it.
21494 Unepitaize `return' invocations.
21495 [NDEBUG] (main): Remove.
21496 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
21497 * src/files.c (open_files): Initialize graph_obstack.
21498 * src/print_graph.c (print_actions): CPP out useless code.
21499 (print_core): Don't output the last `\n' in labels.
21500 Use `quote'.
21501 * src/files.c (output_files): Output the VCG file.
21502 * src/main.c (main): Invoke print_graph ();
21503
21504 2001-08-06 Marc Autret <autret_m@epita.fr>
21505
21506 Automaton VCG graph output.
21507 Using option ``-g'' or long option ``--graph'', you can generate
21508 a gram_filename.vcg file containing a VCG description of the LALR (1)
21509 automaton of your grammar.
21510
21511 * src/main.c: Call to print_graph() function.
21512 * src/getargs.h: Update.
21513 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
21514 (graph_flag): New flag.
21515 (longopts): Update.
21516 (getargs): Add case `g'.
21517 * src/files.c (graph_obstack): New obstack struct.
21518 (open_files): Initialize new obstack.
21519 (output_files): Saves graph_obstack if required.
21520 * src/files.h (graph_obstack): New extern declaration.
21521 * src/Makefile.am: Add new source files.
21522
21523 2001-08-06 Marc Autret <autret_m@epita.fr>
21524
21525 * src/print_graph.c, src/print_graph.h (graph): New.
21526 * src/vcg.h: New file.
21527 * src/vcg.c: New file, VCG graph handling.
21528
21529 2001-08-06 Marc Autret <autret_m@epita.fr>
21530
21531 Add of %source_extension and %header_extension which specify
21532 the source or/and the header output file extension.
21533
21534 * src/files.c (compute_base_names): Remove initialisation of
21535 src_extension and header_extension.
21536 (compute_exts_from_gf): Update.
21537 (compute_exts_from_src): Update.
21538 (output_files): Update.
21539 * src/reader.c (parse_header_extension_decl): New.
21540 (parse_source_extension_decl): New.
21541 (read_declarations): New case statements for the new tokens.
21542 * src/lex.c (percent_table): Add entries for %source_extension
21543 and %header_extension.
21544 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
21545
21546 2001-08-06 Marc Autret <autret_m@epita.fr>
21547
21548 * configure.in: Bump to 1.28c.
21549 * doc/bison.texinfo: Texinfo thingies.
21550
21551 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
21552
21553 * tests/atconfig.in (CPPFLAGS): Add.
21554 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
21555
21556 2001-08-03 Akim Demaille <akim@epita.fr>
21557
21558 Version 1.28b.
21559
21560 2001-08-03 Akim Demaille <akim@epita.fr>
21561
21562 * tests/Makefile.am (check-local): Ship testsuite.
21563 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
21564 Include `string.h'.
21565
21566 2001-08-03 Akim Demaille <akim@epita.fr>
21567
21568 * configure.in: Try using -Wformat when compiling.
21569
21570 2001-08-03 Akim Demaille <akim@epita.fr>
21571
21572 * configure.in: Bump to 1.28b.
21573
21574 2001-08-03 Akim Demaille <akim@epita.fr>
21575
21576 * src/complain.c: Adjust strerror_r portability issues.
21577
21578 2001-08-03 Akim Demaille <akim@epita.fr>
21579
21580 Version 1.28a.
21581
21582 2001-08-03 Akim Demaille <akim@epita.fr>
21583
21584 * src/getargs.c, src/getarg.h (skeleton)): Constify.
21585 * src/lex.c (literalchar): Avoid name clashes on `buf'.
21586 * src/getargs.c: Include complain.h.
21587 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
21588 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
21589
21590 2001-08-03 Akim Demaille <akim@epita.fr>
21591
21592 * src/reader.c (readgram): Display hidden chars in error messages.
21593
21594 2001-08-03 Akim Demaille <akim@epita.fr>
21595
21596 Update to gettext 0.10.39.
21597
21598 2001-08-03 Akim Demaille <akim@epita.fr>
21599
21600 * lib/strspn.c: New.
21601
21602 2001-08-01 Marc Autret <autret_m@epita.fr>
21603
21604 * doc/bison.texinfo: Update.
21605 * doc/bison.1 (mandoc): Update.
21606 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
21607 * src/files.c: Support output files extensions computing.
21608 (src_extension): New static variable.
21609 (header_extension): New static variable.
21610 (tr): New function.
21611 (get_extension_index): New function, gets the index of an extension
21612 filename in a string.
21613 (compute_exts_from_gf): New function, computes extensions from the
21614 grammar file extension.
21615 (compute_exts_from_src): New functions, computes extensions from the
21616 C source file extension, file given by ``-o'' option.
21617 (compute_base_names): Update.
21618 (output_files): Update.
21619
21620 2001-08-01 Robert Anisko <anisko_r@epita.fr>
21621
21622 * doc/bison.texi: Document @$.
21623 (Locations): New section.
21624
21625 2001-07-18 Akim Demaille <akim@epita.fr>
21626
21627 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
21628 * config/prev-version.txt, config/move-if-change: New.
21629 * Makefile.am: Adjust.
21630
21631 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
21632
21633 * src/bison.simple (yyparse): Suppress warning `comparaison
21634 between signed and unsigned'.
21635
21636 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
21637
21638 * src/getargs.h (raw_flag): Remove.
21639 * src/getargs.c: Die on `-r'/`--raw'.
21640 * src/lex.c (parse_percent_token): Die on `%raw'.
21641 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
21642 * tests/calc.at: Suppress test with option `--raw'.
21643
21644 2001-07-14 Akim Demaille <akim@epita.fr>
21645
21646 * config/: New.
21647 * configure.in: Require Autoconf 2.50.
21648 Update to gettext 0.10.38.
21649
21650 2001-03-16 Akim Demaille <akim@epita.fr>
21651
21652 * doc/bison.texinfo: ANSIfy the examples.
21653
21654 2001-03-16 Akim Demaille <akim@epita.fr>
21655
21656 * getargs.c (skeleton): New variable.
21657 (longopts): --skeleton is a new option.
21658 (shortopts, getargs): -S is a new option.
21659 * getargs.h: Declare skeleton.
21660 * output.c (output_parser): Use it.
21661
21662 2001-03-16 Akim Demaille <akim@epita.fr>
21663
21664 * m4/strerror_r.m4: New.
21665 * m4/error.m4: Run AC_FUNC_STRERROR_R.
21666 * lib/error.h, lib/error.c: Update.
21667
21668 2001-03-16 Akim Demaille <akim@epita.fr>
21669
21670 * src/getargs.c (longopts): Clean up.
21671
21672 2001-02-21 Akim Demaille <akim@epita.fr>
21673
21674 * src/reader.c (gensym): `gensym_count' is your own.
21675 Use a static buf to create the symbol name, as token_buffer is no
21676 longer a buffer.
21677
21678 2001-02-08 Akim Demaille <akim@epita.fr>
21679
21680 * src/conflicts.c (conflict_report): Be sure not to append to res
21681 between two calls, which could happen if both first sprintf were
21682 skipped, but not the first cp += strlen.
21683
21684 2001-02-08 Akim Demaille <akim@epita.fr>
21685
21686 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
21687 New, from fileutils 4.0.37.
21688 * configure.in: Require Autoconf 2.49c. I took some time before
21689 making this decision. This is the only way out for portability
21690 issues in Bison, it would mean way too much duplicate effort to
21691 import in Bison features implemented in 2.49c since 2.13.
21692 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
21693
21694 2001-02-02 Akim Demaille <akim@epita.fr>
21695
21696 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
21697 * lib/xalloc.h, lib/xmalloc.c: Update.
21698
21699 2001-01-19 Akim Demaille <akim@epita.fr>
21700
21701 Get rid of the ad hoc handling of token_buffer in the scanner: use
21702 the obstacks.
21703
21704 * src/lex.c (token_obstack): New.
21705 (init_lex): Initialize it. No longer call...
21706 (grow_token_buffer): this. Remove it.
21707 Adjust all the places which used it to use the obstack.
21708
21709 2001-01-19 Akim Demaille <akim@epita.fr>
21710
21711 * src/lex.h: Rename all the tokens:
21712 s/\bENDFILE\b/tok_eof/g;
21713 s/\bIDENTIFIER\b/tok_identifier/g;
21714 etc.
21715 Let them be enums, not #define, to ease debugging.
21716 Adjust all the code.
21717
21718 2001-01-18 Akim Demaille <akim@epita.fr>
21719
21720 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
21721 * src/lex.c (maxtoken, grow_token_buffer): Static.
21722
21723 2001-01-18 Akim Demaille <akim@epita.fr>
21724
21725 Since we now use obstacks, more % directives can be enabled.
21726
21727 * src/lex.c (percent_table): Also accept `%yacc',
21728 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
21729 `%debug'.
21730 Handle the actions for `%semantic_parser' and `%pure_parser' here,
21731 instead of returning a token.
21732 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
21733 * src/reader.c (read_declarations): Adjust.
21734 * src/files.c (open_files): Don't call `compute_base_names', don't
21735 compute `attrsfile' since they depend upon data which might be
21736 *in* the input file now.
21737 (output_files): Do it here.
21738 * src/output.c (output_headers): Document the fact that this patch
21739 introduces a guaranteed SEGV for semantic parsers.
21740 * doc/bison.texinfo: Document them.
21741 * tests/suite.at: Exercise these %options.
21742
21743 2000-12-20 Akim Demaille <akim@epita.fr>
21744
21745 Also handle the output file (--verbose) with obstacks.
21746
21747 * files.c (foutput): Remove.
21748 (output_obstack): New.
21749 Adjust all dependencies.
21750 * src/conflicts.c: Return a string.
21751 * src/system.h (obstack_grow_string): Rename as...
21752 (obstack_sgrow): this. Be ready to work with non literals.
21753 (obstack_fgrow4): New.
21754
21755 2000-12-20 Akim Demaille <akim@epita.fr>
21756
21757 * src/files.c (open_files): Fix the computation of short_base_name
21758 in the case of `-o foo.tab.c'.
21759
21760 2000-12-20 Akim Demaille <akim@epita.fr>
21761
21762 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
21763 (copy_dollar): Now that everything uses obstacks, get rid of the
21764 FILE * parameters.
21765
21766 2000-12-20 Akim Demaille <akim@epita.fr>
21767
21768 * src/files.c (open_files): Actually the `.output' file is based
21769 on the short_base_name, not base_name.
21770 * tests/suite.at (Checking output file names): Adjust.
21771
21772 2000-12-20 Akim Demaille <akim@epita.fr>
21773
21774 * src/bison.s1: Remove, we now use directly...
21775 * src/bison.simple: this.
21776 * src/Makefile.am: Use pkgdata instead of data.
21777
21778 2000-12-20 Akim Demaille <akim@epita.fr>
21779
21780 * src/files.c (guard_obstack): New.
21781 (open_files): Initialize it.
21782 (output_files): Dump it...
21783 * src/files.h: Export it.
21784 * src/reader.c (copy_guard): Use it.
21785
21786 2000-12-19 Akim Demaille <akim@epita.fr>
21787
21788 * src/files.c (outfile, defsfile, actfile): Removed as global
21789 vars.
21790 (open_files): Don't compute them.
21791 (output_files): Adjust.
21792 (base_name, short_base_name): Be global.
21793 Adjust dependencies.
21794
21795 2000-12-19 Akim Demaille <akim@epita.fr>
21796
21797 * src/files.c (strsuffix): New.
21798 (stringappend): Be just like strcat but allocate.
21799 (base_names): Eve out from open_files.
21800 Try to simplify the rather hairy computation of base_name and
21801 short_base_name.
21802 (open_files): Use it.
21803 * tests/suite.at (Checking output file names): New test.
21804
21805 2000-12-19 Akim Demaille <akim@epita.fr>
21806
21807 * src/system.h (obstack_grow_literal_string): Rename as...
21808 (obstack_grow_string): this.
21809 * src/output.c (output_parser): Recognize `%% actions' instead of
21810 `$'.
21811 * src/bison.s1: s/$/%% actions/.
21812 * src/bison.hairy: Likewise.
21813
21814 2000-12-19 Akim Demaille <akim@epita.fr>
21815
21816 * src/output.c (output_parser): Compute the `#line' lines when
21817 there are.
21818 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
21819 Suggested by Hans Aberg.
21820
21821 2000-12-19 Akim Demaille <akim@epita.fr>
21822
21823 Let the handling of the skeleton files be local to the procedures
21824 that use it.
21825
21826 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
21827 longer static.
21828 (fparser, open_extra_files): Remove.
21829 (open_files, output_files): Don't take care of fparser.
21830 * src/files.h: Adjust.
21831 * src/output.c (output_parser): Open and close the file to the
21832 skeleton.
21833 * src/reader.c (read_declarations): When %semantic_parser, open
21834 fguard.
21835
21836 2000-12-19 Akim Demaille <akim@epita.fr>
21837
21838 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
21839 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
21840
21841 2000-12-19 Akim Demaille <akim@epita.fr>
21842
21843 * src/files.c (open_files): Yipee! We no longer need all the code
21844 looking for `/tmp' since we have no tmp file.
21845
21846 2000-12-19 Akim Demaille <akim@epita.fr>
21847
21848 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
21849 New macros.
21850 * src/files.c (open_files): Less dependency on MSDOS etc.
21851
21852 2000-12-14 Akim Demaille <akim@epita.fr>
21853
21854 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
21855 Provide a default definition.
21856 Use it when executing the default @ action.
21857 * src/reader.c (reader_output_yylsp): No longer include
21858 `timestamp' and `text' in the default YYLTYPE.
21859
21860 2000-12-12 Akim Demaille <akim@epita.fr>
21861
21862 * src/reader.c (copy_definition, parse_union_decl, copy_action)
21863 (copy_guard): Quote the file names.
21864 Reported by Laurent Mascherpa.
21865
21866 2000-12-12 Akim Demaille <akim@epita.fr>
21867
21868 * src/output.c (output_headers, output_program, output): Be sure
21869 to escape special characters when outputting filenames.
21870 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
21871 (output_headers): Don't depend on them, Use ACTSTR.
21872
21873 2000-11-17 Akim Demaille <akim@epita.fr>
21874
21875 * lib/obstack.h: Formatting changes.
21876 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
21877 prevents type checking.
21878 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
21879 cast the value to (void *): assigning a `foo *' to a `void *'
21880 variable is valid.
21881 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
21882 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
21883 append characters.
21884
21885 2000-11-17 Akim Demaille <akim@epita.fr>
21886
21887 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
21888 as...
21889 (suite.m4, regression.m4, calc.m4): these.
21890 * tests/atgeneral.m4: Update from CVS Autoconf.
21891
21892 2000-11-17 Akim Demaille <akim@epita.fr>
21893
21894 * tests/regression.m4 (%union and --defines): New test,
21895 demonstrating a current bug in the obstack implementation.
21896
21897 2000-11-17 Akim Demaille <akim@epita.fr>
21898
21899 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
21900 macros.
21901 Use them to declare the variables which are global or local to
21902 `yyparse'.
21903
21904 2000-11-17 Akim Demaille <akim@epita.fr>
21905
21906 * acconfig.h: Remove, no longer used.
21907
21908 2000-11-07 Akim Demaille <akim@epita.fr>
21909
21910 * src: s/Copyright (C)/Copyright/g.
21911
21912 2000-11-07 Akim Demaille <akim@epita.fr>
21913
21914 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
21915 defining.
21916 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
21917
21918 2000-11-07 Akim Demaille <akim@epita.fr>
21919
21920 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
21921 Merge in a single CPP if/else.
21922
21923 2000-11-07 Akim Demaille <akim@epita.fr>
21924
21925 * src/output.c (output): Remove useless variables.
21926 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
21927 argument `data' for consistency with the prototypes.
21928 Qualify it `const'.
21929 (obstack_copy, obstack_copy0): Rename the second argument as
21930 `address' for consistency. Qualify it `const'.
21931 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
21932 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
21933 `const' their input argument (`data' or `address').
21934 Adjust the corresponding macros to include `const' in casts.
21935
21936 2000-11-03 Akim Demaille <akim@epita.fr>
21937
21938 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
21939 s/PFILE1/BISON_HAIRY/.
21940 Adjust dependencies.
21941
21942 2000-11-03 Akim Demaille <akim@epita.fr>
21943
21944 For some reason, this was not applied.
21945
21946 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21947 `unlink': it's no longer used.
21948
21949 2000-11-03 Akim Demaille <akim@epita.fr>
21950
21951 * src/files.c (skeleton_find): New function, eved out of...
21952 (open_files, open_extra_files): here.
21953
21954 2000-11-03 Akim Demaille <akim@epita.fr>
21955
21956 Don't use `atexit'.
21957
21958 * src/files.c (obstack_save): New function.
21959 (done): Rename as...
21960 (output_files): this.
21961 Use `obstack_save'.
21962 * src/main.c (main): Don't use `atexit' to register `done', since
21963 it no longer has to remove tmp files, just call `output_files'
21964 when there are no errors.
21965
21966 2000-11-02 Akim Demaille <akim@epita.fr>
21967
21968 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21969 `unlink': it's no longer used.
21970 * src/files.h: Formatting changes.
21971
21972 2000-11-02 Akim Demaille <akim@epita.fr>
21973
21974 Remove the last uses of mktemp and unlink/delete.
21975
21976 * src/files.c (fdefines, ftable): Removed.
21977 (defines_ostack, table_obstack): New.
21978 Adjust dependencies of the former into uses of the latter.
21979 * src/output.c (output_short_or_char_table, output_short_table):
21980 Convert to using obstacks.
21981 * src/reader.c (copy_comment2): Accept one FILE * and two
21982 obstacks.
21983 (output_token_defines, reader_output_yylsp): Use obstacks.
21984 * src/system.h (obstack_fgrow3): New.
21985 * po/POTFILES.in: Adjust.
21986
21987 2000-11-01 Akim Demaille <akim@epita.fr>
21988
21989 Change each use of `fattrs' into a use of `attrs_obstack'.
21990
21991 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
21992 * src/files.c (fattrs): Remove.
21993 (attrs_obstack): New.
21994 Adjust all dependencies.
21995 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
21996
21997 2000-11-01 Akim Demaille <akim@epita.fr>
21998
21999 Introduce obstacks.
22000 Change each use of `faction' into a use of `action_obstack'.
22001
22002 * lib/obstack.h, lib/obstack.c: New files.
22003 * src/files.c (faction): Remove.
22004 (action_obstack): New.
22005 Adjust all dependencies.
22006
22007 2000-10-20 Akim Demaille <akim@epita.fr>
22008
22009 * lib/quote.h (PARAMS): New macro. Use it.
22010
22011 2000-10-16 Akim Demaille <akim@epita.fr>
22012
22013 * src/output.c (output_short_or_char_table): New function.
22014 (output_short_table, output_token_translations): Use it.
22015 (goto_actions): Use output_short_table.
22016
22017 2000-10-16 Akim Demaille <akim@epita.fr>
22018
22019 * src/symtab.c (bucket_new): New function.
22020 (getsym): Use it.
22021
22022 * src/output.c (output_short_table): New argument to display the
22023 comment associated with the table.
22024 Adjust dependencies.
22025 (output_gram): Use it.
22026 (output_rule_data): Nicer output layout for YYTNAME.
22027
22028 2000-10-16 Akim Demaille <akim@epita.fr>
22029
22030 * src/lex.c (read_typename): New function.
22031 (lex): Use it.
22032 * src/reader.c (copy_dollar): Likewise.
22033
22034 2000-10-16 Akim Demaille <akim@epita.fr>
22035
22036 * src/reader.c (copy_comment2): Expect the input stream to be on
22037 the `/' which is suspected to open a comment, instead of being
22038 called after `//' or `/*' was read.
22039 (copy_comment, copy_definition, parse_union_decl, copy_action)
22040 (copy_guard): Adjust.
22041
22042 2000-10-16 Akim Demaille <akim@epita.fr>
22043
22044 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
22045 `read_signed_integer'.
22046
22047 2000-10-16 Akim Demaille <akim@epita.fr>
22048
22049 * src/reader.c (copy_dollar): New function.
22050 (copy_guard, copy_action): Use it.
22051
22052 2000-10-16 Akim Demaille <akim@epita.fr>
22053
22054 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
22055 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
22056 New files, from Fileutils 4.0.27.
22057 * src/main.c (printable_version): Remove.
22058 * src/lex.c, src/reader.c: Use `quote'.
22059
22060 2000-10-04 Akim Demaille <akim@epita.fr>
22061
22062 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
22063
22064 2000-10-04 Akim Demaille <akim@epita.fr>
22065
22066 * doc/bison.texinfo: Various typos spotted by Neil Booth.
22067
22068 2000-10-04 Akim Demaille <akim@epita.fr>
22069
22070 When a literal string is used to define two different tokens,
22071 `bison -v' segfaults.
22072 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
22073
22074 * tests/regression.m4: New file.
22075 Include the core of the sample provided by Piotr Gackiewicz.
22076 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
22077 properly.
22078
22079 2000-10-04 Akim Demaille <akim@epita.fr>
22080
22081 * src/reader.c (parse_expect_decl): Keep `count' within the size
22082 of `buffer'.
22083 From Neil Booth.
22084
22085 2000-10-02 Paul Eggert <eggert@twinsun.com>
22086
22087 * bison.s1 (yyparse): Assign the default value
22088 unconditionally, to avoid a GCC warning and make the parser a
22089 tad smaller.
22090
22091 2000-10-02 Akim Demaille <akim@epita.fr>
22092
22093 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
22094 options.
22095
22096 2000-10-02 Akim Demaille <akim@epita.fr>
22097
22098 * src/derives.c, src/print.c, src/reduce.c: To ease the
22099 translation, move some `\n' out of the translated strings.
22100
22101 2000-10-02 Akim Demaille <akim@epita.fr>
22102
22103 The location tracking mechanism is precious for parse error
22104 messages. Nevertheless, it is enabled only when `@n' is used in
22105 the grammar, which is a different issue (you can use it in error
22106 message, but not in the grammar per se). Therefore, there should
22107 be another means to enable it.
22108
22109 * src/getargs.c (getargs): Support `--locations'.
22110 (usage): Report it.
22111 * src/getargs.h (locationsflag): Export it.
22112 * src/lex.c (percent_table): Support `%locations'.
22113 * src/reader.c (yylsp_needed): Remove this variable, now replaced
22114 with `locationsflag'.
22115 * doc/bison.texinfo: Document `--locations' and `%locations'.
22116 Sort the options.
22117 * tests/calc.m4: Test it.
22118
22119 For regularity of the names, replace each
22120 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
22121 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
22122 In addition replace each `flag' with `_flag'.
22123
22124 2000-10-02 Akim Demaille <akim@epita.fr>
22125
22126 Also test parse error messages, including with YYERROR_VERBOSE.
22127
22128 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
22129 associative).
22130 Use it to check the computations.
22131 Use it to check `nonassoc' is honored.
22132 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
22133 `--yyerror-verbose'.
22134 (_AT_CHECK_CALC): Adjust to this option.
22135 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
22136
22137 2000-10-02 Akim Demaille <akim@epita.fr>
22138
22139 Test also `--verbose', `--defines' and `--name-prefix'. Testing
22140 the latter demonstrates a flaw in the handling of non debugging
22141 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
22142 was used in order to simplify:
22143
22144 #if YYDEBUG
22145 if (yydebug)
22146 {
22147 ...
22148 }
22149 #endif
22150
22151 into
22152
22153 if (yydebug)
22154 {
22155 ...
22156 }
22157
22158 unfortunately this leads to a CPP conflict when
22159 `--name-prefix=foo' is used since it produces `#define yydebug
22160 foodebug'.
22161
22162 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
22163 (YYDPRINTF): New macro.
22164 Spread its use.
22165 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
22166 the bison options.
22167 Also test `--verbose', `--defines' and `--name-prefix'.
22168
22169 2000-10-02 Akim Demaille <akim@epita.fr>
22170
22171 Improve the readability of the produced parsers.
22172
22173 * src/bison.s1: Formatting changes.
22174 Improve the comment related to the `$' mark.
22175 (yydefault): Don't fall through to `yyresume': `goto' there.
22176 * src/output.c (output_parser): When the `$' is met, skip the end
22177 of its line.
22178 New variable, `number_of_dollar_signs', to check there's exactly
22179 one `$' in the parser skeleton.
22180
22181 2000-10-02 Akim Demaille <akim@epita.fr>
22182
22183 * lib/xstrdup.c: New file, from the fileutils.
22184 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
22185 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
22186 instead of strlen + xmalloc + strcpy.
22187 * src/symtab.c (copys): Remove, use xstrdup instead.
22188
22189 2000-10-02 Akim Demaille <akim@epita.fr>
22190
22191 * src/gram.h (associativity): New enum type which replaces the
22192 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
22193 `right_assoc', `left_assoc' and `non_assoc'.
22194 Adjust all dependencies.
22195 * src/reader.c: Formatting changes.
22196 (LTYPESTR): Don't define it, use it as a literal in
22197 `reader_output_yylsp'.
22198 * src/symtab.h (symbol_class): New enum type which replaces the
22199 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
22200 `sunknown', `stoken and `snterm'.
22201
22202 2000-10-02 Akim Demaille <akim@epita.fr>
22203
22204 * src/getargs.c (fixed_outfiles): Rename as...
22205 (yaccflag): for consistency and accuracy.
22206 Adjust dependencies.
22207
22208 2000-10-02 Akim Demaille <akim@epita.fr>
22209
22210 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
22211 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
22212 difficult and introduced a lot of core dump. It turns out that
22213 Bison used an implementation of `xmalloc' based on `calloc', and
22214 at various places it does depend upon the initialization to 0. I
22215 have not tried to isolate the pertinent places, and all the former
22216 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
22217 someone should address this issue.
22218
22219 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
22220 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
22221 files.
22222 Adjust dependencies.
22223 * src/warshall.h: New file.
22224 Propagate.
22225
22226 2000-10-02 Akim Demaille <akim@epita.fr>
22227
22228 Various anti-`extern in *.c' changes.
22229
22230 * src/system.h: Include `assert.h'.
22231
22232 2000-10-02 Akim Demaille <akim@epita.fr>
22233
22234 * src/state.h (nstates, final_state, first_state, first_shift)
22235 (first_reduction): Move their exportation from here...
22236 * src/LR0.h: to here.
22237 Adjust dependencies.
22238 * src/getargs.c (statisticsflag): New variable.
22239 Add support for `--statistics'.
22240 Adjust dependencies.
22241
22242 Remove a lot of now useless `extern' statements in most files.
22243
22244 2000-10-02 Akim Demaille <akim@epita.fr>
22245
22246 * src/LR0.h: New file.
22247 Propagate its use.
22248
22249 2000-10-02 Akim Demaille <akim@epita.fr>
22250
22251 * src/print.h: New file.
22252 Propagate its use.
22253 * src/print.c: Formatting and ordering changes.
22254 (verbose, terse): Replace with...
22255 (print_results): this new function.
22256 Adjust dependencies.
22257
22258 2000-10-02 Akim Demaille <akim@epita.fr>
22259
22260 * src/conflicts.c (conflict_report): New function.
22261 (conflict_log, verbose_conflict_log): Replace with...
22262 (print_conflicts): this function.
22263 Adjust dependencies.
22264 * src/conflicts.h: New file.
22265 Propagate its inclusion.
22266
22267 2000-10-02 Akim Demaille <akim@epita.fr>
22268
22269 * src/nullable.h: New file.
22270 Propagate its inclusion.
22271 * src/nullable.c: Formatting changes.
22272
22273 2000-10-02 Akim Demaille <akim@epita.fr>
22274
22275 * src/reduce.h: New file.
22276 Propagate its inclusion.
22277 * src/reduce.c: Topological sort and other formatting changes.
22278 (bool, TRUE, FALSE): Move their definition to...
22279 * src/system.h: here.
22280
22281 2000-10-02 Akim Demaille <akim@epita.fr>
22282
22283 * src/files.c: Formatting changes.
22284 (tryopen, tryclose, openfiles): Rename as...
22285 (xfopen, xfclose, open_files): this.
22286 (stringappend): static.
22287 * src/files.h: Complete the list of exported symbols.
22288 Propagate its use.
22289
22290 2000-10-02 Akim Demaille <akim@epita.fr>
22291
22292 * src/reader.h: New file.
22293 Propagate its use instead of tedious list of `extern' and
22294 prototypes.
22295 * src/reader.c: Formatting changes, topological sort,
22296 s/register//.
22297
22298 2000-10-02 Akim Demaille <akim@epita.fr>
22299
22300 * src/lex.h: Prototype `lex.c' exported functions.
22301 * src/reader.c: Adjust.
22302 * src/lex.c: Formatting changes.
22303 (safegetc): Rename as...
22304 (xgetc): this.
22305
22306 2000-10-02 Akim Demaille <akim@epita.fr>
22307
22308 * src/lalr.h: New file.
22309 Propagate its inclusion instead of prototypes and `extern'.
22310 * src/lalr.c: Formatting changes, topological sorting etc.
22311
22312 2000-10-02 Akim Demaille <akim@epita.fr>
22313
22314 * src/output.c (token_actions): Introduce a temporary array,
22315 YYDEFACT, that makes it possible for this function to use
22316 output_short_table.
22317
22318 2000-10-02 Akim Demaille <akim@epita.fr>
22319
22320 `user_toknums' is output as a `short[]' in `output.c', while it is
22321 defined as a `int[]' in `reader.c'. For consistency with the
22322 other output tables, `user_toknums' is now defined as a table of
22323 shorts.
22324
22325 * src/reader.c (user_toknums): Be a short table instead of an int
22326 table.
22327 Adjust dependencies.
22328
22329 Factor the short table outputs.
22330
22331 * src/output.c (output_short_table): New function.
22332 * src/output.c (output_gram, output_stos, output_rule_data)
22333 (output_base, output_table, output_check): Use it.
22334
22335 2000-10-02 Akim Demaille <akim@epita.fr>
22336
22337 * src/output.c (output): Topological sort of the functions, in
22338 order to get rid of the `static' prototypes.
22339 No longer use `register'.
22340 * src/output.h: New file.
22341 Propagate its inclusion in files explicitly prototyping functions
22342 from output.c.
22343
22344 2000-09-21 Akim Demaille <akim@epita.fr>
22345
22346 * src/atgeneral.m4: Update from Autoconf.
22347
22348 2000-09-21 Akim Demaille <akim@epita.fr>
22349
22350 * src/closure.h: New file.
22351 * src/closure.c: Formatting changes, topological sort over the
22352 functions, use of closure.h.
22353 (initialize_closure, finalize_closure): Rename as...
22354 (new_closure, free_closure): these. Adjust dependencies.
22355 * src/LR0.c: Formatting changes, topological sort, use of
22356 cloture.h.
22357 (initialize_states): Rename as...
22358 (new_states): this.
22359 * src/Makefile.am (noinst_HEADERS): Adjust.
22360
22361 2000-09-20 Akim Demaille <akim@epita.fr>
22362
22363 * src/acconfig.h: Don't protect config.h against multiple
22364 inclusion.
22365 Don't define PARAMS.
22366 * src/system.h: Define PARAMS.
22367 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
22368 purpose of config.h. system.h must not try to fix wrong
22369 definitions in config.h.
22370
22371 2000-09-20 Akim Demaille <akim@epita.fr>
22372
22373 * src/derives.h: New file.
22374 * src/main.c, src/derives.h: Use it.
22375 Formatting changes.
22376 * src/Makefile.am (noinst_HEADERS): Adjust.
22377
22378 2000-09-20 Akim Demaille <akim@epita.fr>
22379
22380 * tests/atgeneral.m4: Update from Autoconf.
22381 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
22382 (AT_CHECK_CALC): New macros.
22383 Use these macros to test bison with options `', `--raw',
22384 `--debug', `--yacc', `--yacc --debug'.
22385
22386 2000-09-19 Akim Demaille <akim@epita.fr>
22387
22388 * src/output.c: Formatting changes.
22389 * src/machine.h: Remove, leaving its contents in...
22390 * src/system.h: here.
22391 Include stdio.h.
22392 Adjust all dependencies on stdio.h and machine.h.
22393 * src/getargs.h: New file.
22394 Let all `extern' declarations about getargs.c be replaced with
22395 inclusion of `getargs.h'.
22396 * src/Makefile.am (noinst_HEADERS): Adjust.
22397
22398 * tests/calc.m4 (yyin): Be initialized in main, not on the global
22399 scope.
22400 (yyerror): Returns void, not int.
22401 * doc/bison.texinfo: Formatting changes.
22402
22403 2000-09-19 Akim Demaille <akim@epita.fr>
22404
22405 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
22406 portable.
22407
22408 2000-09-18 Akim Demaille <akim@epita.fr>
22409
22410 * configure.in: Append WARNING_CFLAGS to CFLAGS.
22411 * src/Makefile.am (INCLUDES): Don't.
22412 Be ready to fetch headers in lib/.
22413
22414 2000-09-18 Akim Demaille <akim@epita.fr>
22415
22416 * doc/bison.texinfo: Update the copyright.
22417 ANSIfy and GNUify the examples.
22418 Remove the old menu.
22419
22420 2000-09-18 Akim Demaille <akim@epita.fr>
22421
22422 First set of tests: use the `calc' example from the documentation.
22423
22424 * src/bison.s1 (yyparse): Condition the code using `yytname' which
22425 is defined only when YYDEBUG is.
22426 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
22427 * src/files.c (tryopen, tryclose): Formatting changes.
22428 Move to the top and be static.
22429 * src/reader.c (read_signed_integer): Likewise.
22430 * tests/calc.m4: New file.
22431 * Makefile.am, suite.m4: Adjust.
22432 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
22433
22434 2000-09-18 Akim Demaille <akim@epita.fr>
22435
22436 Add support for an Autotest test suite for Bison.
22437
22438 * m4/m4.m4, m4/atconfig.m4: New files.
22439 * m4/Makefile.am (EXTRA_DIST): Adjust.
22440 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
22441 files.
22442 * src/getargs.c: Display a more standard --version message.
22443 * src/reader.c (reader): Formatting changes.
22444 No longer depend upon VERSION_STRING.
22445 * configure.in: No longer use `dnl'.
22446 Set up the test suite and the new directory `tests/.
22447 (VERSION_STRING): Remove.
22448
22449 2000-04-14 Akim Demaille <akim@epita.fr>
22450
22451 * src/reader.c (copy_comment2): New function, same as former
22452 `copy_comment', but outputs into two FILE *.
22453 (copy_comment): Use it.
22454 (parse_union_decl): Use it.
22455 (get_type, parse_start_decl): Use the same `invalid' message.
22456 (parse_start_decl, parse_union_decl): Use the same `multiple'
22457 message.
22458 (parse_union_decl, copy_guard, copy_action): Use the same
22459 `unmatched' message.
22460 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
22461
22462 2000-03-31 Akim Demaille <akim@epita.fr>
22463
22464 * src/files.c (tryopen, tryclose): Move to the top.
22465 Be static.
22466
22467 2000-03-31 Akim Demaille <akim@epita.fr>
22468
22469 * src/main.c (main): Don't call `done', exit does it.
22470
22471 2000-03-31 Akim Demaille <akim@epita.fr>
22472
22473 * allocate.c: s/return (foo)/return foo/.
22474 * lalr.c: Likewise.
22475 * LR0.c: Likewise.
22476 * output.c: Likewise.
22477 * reader.c: Likewise.
22478 * symtab.c: Likewise.
22479 * vmsgetargs.c: Likewise.
22480
22481 2000-03-31 Akim Demaille <akim@epita.fr>
22482
22483 Clean up the error reporting functions.
22484
22485 * src/report.c: New file.
22486 * src/report.h: Likewise.
22487 * src/Makefile.am: Adjust.
22488 * m4/error.m4: New file.
22489 * m4/Makefile.am: Adjust.
22490 * configure.in (jm_PREREQ_ERROR): Call it.
22491 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
22492 Remove.
22493 (fatal, fatals): Remove. All callers use complain.c::fatal.
22494 (warn, warni, warns, warnss, warnss): Remove. All callers use
22495 complain.c::complain.
22496 (toomany): Remove, use fatal instead.
22497 * src/files.c (done): No argument, use complain_message_count.
22498 * src/main.c (main): Register `done' to `atexit'.
22499
22500 * src/getargs.c (usage): More `fputs', less `fprintf'.
22501
22502 2000-03-28 Akim Demaille <akim@epita.fr>
22503
22504 * lib/: New directory.
22505 * Makefile.am (SUBDIRS): Adjust.
22506 * configure.in: Adjust.
22507 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
22508 useless.
22509 * src/alloca.c: Moved to lib/.
22510 * src/getopt.c: Likewise.
22511 * src/getopt1.c: Likewise.
22512 * src/getopt.h: Likewise.
22513 * src/ansi2knr.c: Likewise.
22514 * src/ansi2knr.1: Likewise.
22515 * src/Makefile.am: Adjust.
22516 * lib/Makefile.am: New file.
22517
22518 2000-03-28 Akim Demaille <akim@epita.fr>
22519
22520 * src/getargs.c (usage): Refresh the help message.
22521
22522 2000-03-17 Akim Demaille <akim@epita.fr>
22523
22524 * src/getopt1.c: Updated from textutils 2.0e
22525 * src/getopt.c: Likewise.
22526 * src/getopt.h: Likewise.
22527
22528 2000-03-17 Akim Demaille <akim@epita.fr>
22529
22530 * src/Makefile.am (bison.simple): Fix the awk program: quote only
22531 the file name, not the whole `#line LINE FILE'.
22532
22533 2000-03-17 Akim Demaille <akim@epita.fr>
22534
22535 On syntax errors, report the token on which we choked.
22536
22537 * src/bison.s1 (yyparse): In the label yyerrlab, when
22538 YYERROR_VERBOSE, add yychar in msg.
22539
22540 2000-03-17 Akim Demaille <akim@epita.fr>
22541
22542 * src/reader.c (copy_at): New function.
22543 (copy_guard): Use it.
22544 (copy_action): Use it.
22545
22546 2000-03-17 Akim Demaille <akim@epita.fr>
22547
22548 Be kind to translators, save some useless translations.
22549
22550 * src/main.c (banner): New function.
22551 (fatal_banner): Use it.
22552 (warn_banner): Use it.
22553
22554 2000-03-17 Akim Demaille <akim@epita.fr>
22555
22556 * src/reader.c (copy_definition): Use copy_string and
22557 copy_comment. Removed now unused `match', `ended',
22558 `cplus_comment'.
22559 (copy_comment, copy_string): Moved, to be visible from
22560 copy_definition.
22561
22562 2000-03-17 Akim Demaille <akim@epita.fr>
22563
22564 * src/reader.c (copy_string): Declare `static inline'. No
22565 problems with inline, since it is checked by configure.
22566 (copy_comment): Likewise.
22567
22568 2000-03-17 Akim Demaille <akim@epita.fr>
22569
22570 * src/reader.c (packsymbols): Formatting changes.
22571
22572 2000-03-17 Akim Demaille <akim@epita.fr>
22573
22574 * src/reader.c (copy_comment): New function, factored out from:
22575 (copy_action): Use it. Removed now unused `match', `ended',
22576 `cplus_comment'.
22577 (copy_guard): Likewise.
22578
22579 2000-03-17 Akim Demaille <akim@epita.fr>
22580
22581 * src/reader.c (copy_string): New function, factored out from:
22582 (copy_action): Use it.
22583 (copy_guard): Likewise.
22584
22585 2000-03-17 Akim Demaille <akim@epita.fr>
22586
22587 Change the handling of @s so that they behave exactly like $s.
22588 There is now a pseudo variable @$ (readble and writable), location
22589 of the lhs of the rule (by default ranging from the location of
22590 the first symbol of the rhs, to the location of the last symbol,
22591 or, if the rhs is empty, YYLLOC).
22592
22593 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
22594 yyval.
22595 (yyparse): When providing a default semantic action, provide a
22596 default location action.
22597 (after the $): No longer change `*YYLSP', just stack YYLOC the
22598 same way you stack YYVAL.
22599 * src/reader.c (read_declarations): Use warns.
22600 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
22601 (copy_action, case '@'): Likewise.
22602 Use a standard error message, to save useless work from
22603 translators.
22604
22605 2000-03-17 Akim Demaille <akim@epita.fr>
22606
22607 * src/bison.s1: Formatting and cosmetics changes.
22608 * src/reader.c: Likewise.
22609 Update the Copyright notice.
22610
22611 2000-03-17 Akim Demaille <akim@epita.fr>
22612
22613 * src/bison.s1 (#line): All set to `#line' only, since the
22614 Makefile now handles them.
22615
22616 2000-03-16 Akim Demaille <akim@epita.fr>
22617
22618 * src/output.c (output_rule_data): Output the documentation of
22619 some of the tables.
22620 (Copyright notice): Update.
22621 Formatting changes.
22622
22623 2000-03-16 Akim Demaille <akim@epita.fr>
22624
22625 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
22626 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
22627 One `#if YYDEBUG' remains, since it uses variables which are
22628 defined only if `YYDEBUG != 0'.
22629
22630 2000-03-16 Akim Demaille <akim@epita.fr>
22631
22632 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
22633 and related variables so that the similarities are highlighted.
22634
22635 2000-03-16 Akim Demaille <akim@epita.fr>
22636
22637 * src/bison.s1: Properly indent CPP directives.
22638
22639 2000-03-16 Akim Demaille <akim@epita.fr>
22640
22641 * src/bison.s1: Properly indent the `alloca' CPP section.
22642
22643 2000-03-16 Akim Demaille <akim@epita.fr>
22644
22645 Do not hard code values of directories in `configure.in'.
22646 Update the `configure' tool chain.
22647
22648 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
22649 src/makefile.am.
22650 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
22651 (AC_OUTPUT): Add m4/Makefile.
22652 Bump to bison 1.28a, 1.29 has never been released.
22653 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
22654 handled via src/Makefile.am.
22655 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
22656 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
22657 autoheader.
22658 * Makefile.am (SUBDIRS): Add m4.
22659 (ACLOCAL_AM_FLAGS): New variable.
22660 (AUTOMAKE_OPTIONS): Add check-news.
22661 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
22662 the proper line number and file name.
22663 (DEFS): Propagate the location of bison library files and of the
22664 locale files.
22665 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
22666 builddir.
22667 * acinclude.m4: Remove, replaced by the directory m4.
22668 * m4/Makefile.am (EXTRA_DIST): New variable.
22669 * m4/gettext.m4: New file, from the fileutils.
22670 * m4/lcmessage.m4: Likewise
22671 * m4/progtest.m4: Likewise.
22672 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
22673
22674 2000-03-10 Akim Demaille <akim@epita.fr>
22675
22676 * src/closure.c:
22677 Formatting changes of various comments.
22678 Respect the GNU coding standards at various places.
22679 Don't use `_()' when no translation is needed.
22680
22681 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22682
22683 * src/files.c:
22684 OS/2 honors TMPDIR environment variable.
22685
22686 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22687
22688 * doc/bison.texinfo: Tweaked spelling and grammar.
22689 Updated ISBN.
22690 Removed reference to price of printed copy.
22691 Mention BISON_SIMPLE and BISON_HAIRY.
22692
22693 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22694
22695 * configure.in, NEWS:
22696 Bison 1.29 released.
22697
22698 1999-10-27 Jesse Thilo <jthilo@gnu.org>
22699
22700 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
22701 Added reference card.
22702
22703 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22704
22705 * po/ru.po: Added Russian translation.
22706
22707 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22708
22709 * configure.in: Added Russian translation.
22710
22711 1999-07-06 Jesse Thilo <jthilo@gnu.org>
22712
22713 * configure.in, NEWS, README:
22714 Released version 1.28.
22715
22716 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22717
22718 * src/system.h:
22719 Squashed redefinition warning on some systems.
22720
22721 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
22722 Have configure build version string instead of relying on ANSI string
22723 concatentation.
22724
22725 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22726
22727 * po/POTFILES.in: Got rid of version.c.
22728
22729 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22730
22731 * acconfig.h, configure.in:
22732 Have configure build version string instead of relying on ANSI string
22733 concatentation.
22734
22735 1999-06-08 Jesse Thilo <jthilo@gnu.org>
22736
22737 * doc/bison.1:
22738 Dropped mention of `+' for long-named options.
22739
22740 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22741
22742 * src/files.c: Added <unistd.h> for unlink().
22743
22744 * src/Makefile.am, src/system.h:
22745 I18n fixes.
22746
22747 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22748
22749 * README: Added a FAQ list.
22750
22751 * configure.in, acconfig.h:
22752 I18n fixes.
22753
22754 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22755
22756 * doc/FAQ, doc/Makefile.am:
22757 Added a FAQ list.
22758
22759 1999-05-19 Jesse Thilo <jthilo@gnu.org>
22760
22761 * src/alloc.h, src/symtab.h, src/version.c:
22762 Protected inclusion of "config.h" with HAVE_CONFIG_H.
22763
22764 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22765
22766 * src/.cvsignore, src/Makefile.am:
22767 Reorganized: sources in `src', documentation in `doc'.
22768
22769 * src/lex.c (literalchar):
22770 fixed the code for escaping double quotes (thanks
22771 Jonathan Czisny.)
22772
22773 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22774
22775 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
22776 Adjusted paths to reflect directory reorganization.
22777
22778 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22779
22780 * doc/.cvsignore, doc/Makefile.am:
22781 Reorganized: sources in `src', documentation in `doc'.
22782
22783 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22784
22785 * configure.in:
22786 Updated AC_INIT file to reflect directory reorganization.
22787
22788 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
22789 Reorganized: sources in `src', documentation in `doc'.
22790
22791 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22792
22793 * src/allocate.c:
22794 Don't declare calloc() and realloc() if not necessary.
22795
22796 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22797
22798 * configure.in, acconfig.h, acinclude.m4:
22799 Don't declare calloc() and realloc() if not necessary.
22800
22801 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22802
22803 * po/.cvsignore: Added i18n support.
22804
22805 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22806
22807 * acconfig.h, configure.in, Makefile.am:
22808 Added i18n support.
22809
22810 1999-03-22 Jesse Thilo <jthilo@gnu.org>
22811
22812 * src/bison.s1: Fixed #line numbers.
22813
22814 1999-03-15 Jesse Thilo <jthilo@gnu.org>
22815
22816 * po/es.po, po/fr.po, po/nl.po, po/de.po:
22817 Added PO files from Translation Project.
22818
22819 1999-03-03 Jesse Thilo <jthilo@gnu.org>
22820
22821 * Makefile.am:
22822 Added support for non-ANSI compilers (ansi2knr).
22823
22824 1999-02-16 Jesse Thilo <jthilo@gnu.org>
22825
22826 * configure.in: Bumped version number to 1.27.
22827
22828 * Makefile.am:
22829 Added `bison.simple' to list of files removed by `make distclean'.
22830
22831 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22832
22833 * src/files.c, src/files.h:
22834 Defined locations of parser files in config.h instead of Makefile.
22835
22836 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22837
22838 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
22839 Defined locations of parser files in config.h instead of Makefile.
22840
22841 1999-02-09 Jesse Thilo <jthilo@gnu.org>
22842
22843 * Makefile.am:
22844 Removed inappropriate use of $< macro.
22845
22846 1999-02-05 Jesse Thilo <jthilo@gnu.org>
22847
22848 * po/Makefile.in.in, po/POTFILES.in:
22849 Add `po' directory skeleton.
22850
22851 1999-01-27 Jesse Thilo <jthilo@gnu.org>
22852
22853 * README: Document help-bison list.
22854
22855 * configure.in: Add check for mkstemp().
22856
22857 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22858
22859 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
22860 Hush a few compiler warnings.
22861
22862 * src/files.c:
22863 Add tryclose(), which verifies that fclose was successful.
22864 Hush a couple of compiler warnings.
22865
22866 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22867
22868 * Makefile.am, OChangeLog:
22869 ChangeLog is now automatically generated. Include the old version as
22870 OChangeLog.
22871
22872 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22873
22874 * 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:
22875 Update FSF address.
22876
22877 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22878
22879 * doc/bison.texinfo: Fix formatting glitch.
22880
22881 * doc/bison.texinfo: Update FSF address.
22882
22883 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22884
22885 * acconfig.h: Update FSF address.
22886
22887 1999-01-08 Jesse Thilo <jthilo@gnu.org>
22888
22889 * src/system.h:
22890 Don't define PACKAGE here, since config.h defines it.
22891
22892 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22893
22894 * src/reader.c: Update copyright date.
22895
22896 * src/main.c:
22897 Ditch sprintf to statically-sized buffers in fatal/warn functions in
22898 favor of output directly to stderr (avoids buffer overruns).
22899
22900 * src/reader.c: Some checks for premature EOF.
22901
22902 * 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:
22903 Use prototypes if the compiler understands them.
22904
22905 * src/files.c: Honor TMPDIR on Unix hosts.
22906 Use prototypes if the compiler understands them.
22907
22908 * src/reader.c:
22909 Fix a couple of buffer overrun bugs.
22910 Use prototypes if the compiler understands them.
22911
22912 * src/system.h: Include unistd.h and ctype.h.
22913 Use #ifdef instead of #if for NLS symbols.
22914
22915 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22916
22917 * doc/bison.texinfo:
22918 Delete comment "consider using @set for edition number, etc..." since
22919 we now are doing so.
22920
22921 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22922
22923 * configure.in:
22924 Use prototypes if the compiler understands them.
22925
22926 * NEWS: Document 1.26 highlights.
22927
22928 * Makefile.am: Require Automake 1.3 or later.
22929
22930 * acconfig.h:
22931 Use prototypes if the compiler understands them.
22932
22933 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22934
22935 * src/version.c:
22936 Use VERSION symbol from automake for version number.
22937
22938 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22939
22940 * acconfig.h, configure.in, version.cin:
22941 Use VERSION symbol from automake for version number.
22942
22943 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22944
22945 * Makefile.am:
22946 Distribute original version of simple parser (bison.s1), not built
22947 version (bison.simple).
22948
22949 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22950
22951 * doc/bison.texinfo: Add info dir entry.
22952
22953 * doc/bison.texinfo:
22954 Let automake put version number into documentation.
22955
22956 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22957
22958 * src/bison.cld, src/build.com, src/vmshlp.mar:
22959 Add non-RCS files from /gd/gnu/bison.
22960
22961 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22962
22963 * doc/bison.1:
22964 Document the BISON_HAIRY and BISON_SIMPLE variables.
22965
22966 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22967
22968 * src/version.c: Build version.c automatically.
22969
22970 * src/reader.c:
22971 Fix token numbering (used to start at 258, not 257).
22972
22973 * src/system.h: Include config.h.
22974
22975 * src/getargs.c: Update bug report address.
22976
22977 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
22978 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
22979
22980 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22981
22982 * Makefile.am:
22983 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22984
22985 * configure.in, version.cin:
22986 Build version.c automatically.
22987
22988 * AUTHORS: Add AUTHORS file.
22989
22990 * README: Update bug report address.
22991
22992 * bison.simple:
22993 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22994
22995 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
22996 Add automake stuff.
22997
22998 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22999
23000 * doc/bison.texinfo: Clean up some formatting.
23001
23002 1998-05-05 Richard Stallman <rms@gnu.org>
23003
23004 * doc/bison.texinfo:
23005 Explain better why to make a pure parser.
23006
23007 1998-01-05 Richard Stallman <rms@gnu.org>
23008
23009 * src/files.c (openfiles):
23010 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
23011 find a temporary directory, if possible. Do not unlink files while
23012 they are open.
23013
23014 1997-08-25 Richard Stallman <rms@gnu.org>
23015
23016 * src/reader.c (stack_offset;):
23017 Change some warni to warns.
23018
23019 * src/lex.c (literalchar): Use warns, not warni.
23020
23021 1997-06-28 Richard Stallman <rms@gnu.org>
23022
23023 * src/bison.s1: Add a Bison version comment.
23024
23025 * src/main.c (fatal, warn, berror):
23026 Use program_name.
23027
23028 1997-06-28 Richard Stallman <rms@gnu.org>
23029
23030 * Makefile.in (bison_version): New variable.
23031 (dist): Use that variable.
23032 (bison.s1): Substitute the Bison version into bison.simple.
23033
23034 * bison.simple: Add a Bison version comment.
23035
23036 1997-06-18 Richard Stallman <rms@gnu.org>
23037
23038 * src/main.c (fatal, warn, berror):
23039 Make error messages standard.
23040 (toomany): Improve error message text.
23041
23042 * 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:
23043 new.h renamed to alloc.h.
23044
23045 1997-06-18 Richard Stallman <rms@gnu.org>
23046
23047 * Makefile.in: new.h renamed to alloc.h.
23048
23049 1997-05-24 Richard Stallman <rms@gnu.org>
23050
23051 * src/lex.c (literalchar):
23052 Fix the code for escaping \, " and '.
23053
23054 (lex): Avoid trouble when there are many chars
23055 to discard in a char literal with just several chars in it.
23056
23057 1997-05-17 Richard Stallman <rms@gnu.org>
23058
23059 * src/bison.s1:
23060 Use malloc, if using alloca is troublesome.
23061 (YYSTACK_USE_ALLOCA): New flag macro.
23062 Define it for some systems and compilers.
23063 (YYSTACK_ALLOC): New macro.
23064 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23065 If it was malloc'd, free it.
23066
23067 1997-05-17 Richard Stallman <rms@gnu.org>
23068
23069 * bison.simple:
23070 Use malloc, if using alloca is troublesome.
23071 (YYSTACK_USE_ALLOCA): New flag macro.
23072 Define it for some systems and compilers.
23073 (YYSTACK_ALLOC): New macro.
23074 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23075 If it was malloc'd, free it.
23076
23077 1997-04-23 Richard Stallman <rms@gnu.org>
23078
23079 * src/bison.s1:
23080 (alloca) [__hpux]: Always define as __builtin_alloca.
23081
23082 1997-04-23 Richard Stallman <rms@gnu.org>
23083
23084 * bison.simple:
23085 (alloca) [__hpux]: Always define as __builtin_alloca.
23086
23087 1997-04-22 Richard Stallman <rms@gnu.org>
23088
23089 * src/bison.s1:
23090 [__hpux]: Include alloca.h (right for HPUX 10)
23091 instead of declaring alloca (right for HPUX 9).
23092
23093 * src/bison.s1 (__yy_memcpy):
23094 Declare arg `count' as unsigned int.
23095 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23096
23097 1997-04-22 Richard Stallman <rms@gnu.org>
23098
23099 * bison.simple:
23100 [__hpux]: Include alloca.h (right for HPUX 10)
23101 instead of declaring alloca (right for HPUX 9).
23102
23103 * bison.simple (__yy_memcpy):
23104 Declare arg `count' as unsigned int.
23105 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23106
23107 1997-01-03 Richard Stallman <rms@gnu.org>
23108
23109 * src/allocate.c: [__STDC__ or _MSC_VER]:
23110 Declare calloc and realloc to return void *.
23111
23112 1997-01-02 Richard Stallman <rms@gnu.org>
23113
23114 * src/system.h:
23115 [_MSC_VER]: Include stdlib.h and process.h.
23116 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
23117
23118 * src/main.c (main): Return FAILURE as a value.
23119 (printable_version): Declare arg as int, not char.
23120
23121 1997-01-02 Richard Stallman <rms@gnu.org>
23122
23123 * Makefile.in (dist):
23124 Explicitly check for symlinks, and copy them.
23125
23126 1996-12-19 Richard Stallman <rms@gnu.org>
23127
23128 * src/files.c:
23129 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
23130
23131 1996-12-18 Paul Eggert <eggert@gnu.org>
23132
23133 * src/bison.s1 (yyparse):
23134 If __GNUC__ and YYPARSE_PARAM are both defined,
23135 declare yyparse to have a void * argument.
23136
23137 1996-12-18 Paul Eggert <eggert@gnu.org>
23138
23139 * bison.simple (yyparse):
23140 If __GNUC__ and YYPARSE_PARAM are both defined,
23141 declare yyparse to have a void * argument.
23142
23143 1996-12-17 Richard Stallman <rms@gnu.org>
23144
23145 * src/reduce.c (nbits): Add some casts.
23146
23147 1996-08-12 Richard Stallman <rms@gnu.org>
23148
23149 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
23150
23151 1996-08-12 Richard Stallman <rms@gnu.org>
23152
23153 * bison.simple: Test _MSDOS as well as _MSDOS_.
23154
23155 1996-07-31 Richard Stallman <rms@gnu.org>
23156
23157 * src/bison.s1:
23158 [__sun && __i386]: Include alloca.h.
23159
23160 1996-07-31 Richard Stallman <rms@gnu.org>
23161
23162 * bison.simple:
23163 [__sun && __i386]: Include alloca.h.
23164
23165 1996-07-30 Richard Stallman <rms@gnu.org>
23166
23167 * src/bison.s1: Comment change.
23168
23169 * src/bison.s1: Test _MSDOS_, not MSDOS.
23170
23171 1996-07-30 Richard Stallman <rms@gnu.org>
23172
23173 * bison.simple: Comment change.
23174
23175 * bison.simple: Test _MSDOS_, not MSDOS.
23176
23177 1996-06-01 Richard Stallman <rms@gnu.org>
23178
23179 * 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:
23180 Insert `_' macro around many string constants.
23181
23182 * src/main.c:
23183 Insert `_' macro around many string constants.
23184
23185 (main): Call setlocale, bindtextdomain and textdomain.
23186
23187 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
23188 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
23189 [ENABLE_NLS]: Include libintl.h.
23190 [ENABLE_NLS] (gettext): Define.
23191 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
23192 (N_, PACKAGE, LOCALEDIR): New macros.
23193
23194 1996-06-01 Richard Stallman <rms@gnu.org>
23195
23196 * POTFILES.in: New file.
23197
23198 * Makefile.in (allocate.o):
23199 Define target explicitly.
23200
23201 * Makefile.in (CFLAGS): Set to @CFLAGS@.
23202 (LDFLAGS): Set to @LDFLAGS@.
23203 (configure): Run autoconf only if preceding `cd' succeeds.
23204 (bison.s1): Redirect output to temporary file then move the
23205 temporary to the target, rather than redirecting directly to bison.s1.
23206 (clean): Remove config.status and config.log.
23207 (distclean): Don't remove config.status here.
23208
23209 1996-05-12 Richard Stallman <rms@gnu.org>
23210
23211 * src/bison.s1:
23212 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
23213
23214 1996-05-12 Richard Stallman <rms@gnu.org>
23215
23216 * bison.simple:
23217 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
23218
23219 1996-05-11 Richard Stallman <rms@gnu.org>
23220
23221 * src/bison.s1 (__yy_memcpy):
23222 Really reorder the args, as was supposedly done on Feb 14 1995.
23223 (yyparse): Calls changed accordingly.
23224
23225 1996-05-11 Richard Stallman <rms@gnu.org>
23226
23227 * Makefile.in (dist): Don't use $(srcdir).
23228
23229 * bison.simple (__yy_memcpy):
23230 Really reorder the args, as was supposedly done on Feb 14 1995.
23231 (yyparse): Calls changed accordingly.
23232
23233 1996-01-27 Richard Stallman <rms@gnu.org>
23234
23235 * src/output.c (output_rule_data):
23236 Test YYERROR_VERBOSE in the conditional
23237 around the definition of ttyname.
23238
23239 1995-12-29 Richard Stallman <rms@gnu.org>
23240
23241 * src/bison.s1:
23242 Fix line numbers in #line commands.
23243
23244 1995-12-29 Richard Stallman <rms@gnu.org>
23245
23246 * bison.simple:
23247 Fix line numbers in #line commands.
23248
23249 1995-12-27 Richard Stallman <rms@gnu.org>
23250
23251 * src/bison.s1 (YYPARSE_PARAM_DECL):
23252 In C++, make it always null.
23253 (YYPARSE_PARAM_ARG): New macro.
23254 (yyparse): Use YYPARSE_PARAM_ARG.
23255
23256 1995-12-27 Richard Stallman <rms@gnu.org>
23257
23258 * bison.simple (YYPARSE_PARAM_DECL):
23259 In C++, make it always null.
23260 (YYPARSE_PARAM_ARG): New macro.
23261 (yyparse): Use YYPARSE_PARAM_ARG.
23262
23263 1995-11-29 Richard Stallman <rms@gnu.org>
23264
23265 * doc/bison.texinfo:
23266 Describe literal string tokens, %raw, %no_lines, %token_table.
23267
23268 1995-11-29 Daniel Hagerty <hag@gnu.org>
23269
23270 * doc/bison.texinfo: Fixed update date
23271
23272 1995-10-16 Richard Stallman <rms@gnu.org>
23273
23274 * src/version.c: Version 1.25.
23275
23276 1995-10-16 Richard Stallman <rms@gnu.org>
23277
23278 * NEWS: *** empty log message ***
23279
23280 1995-10-16 Richard Stallman <rms@gnu.org>
23281
23282 * doc/bison.1, doc/bison.rnh:
23283 Add new options.
23284
23285 1995-10-15 Richard Stallman <rms@gnu.org>
23286
23287 * src/vmsgetargs.c, src/getargs.c:
23288 Added -n, -k, and -raw switches.
23289 (noparserflag, toknumflag, rawtoknumflag): New variables.
23290
23291 * src/symtab.h (SALIAS):
23292 New #define for adding aliases to %token.
23293 (struct bucket): Added `alias' field.
23294
23295 * src/reduce.c (reduce_grammar):
23296 Revise error message.
23297 (print_notices): Remove final `.' from error message.
23298
23299 * src/reader.c (reader_output_yylsp):
23300 New function.
23301 (readgram): Use `#if 0' around code that accepted %command
23302 inside grammar rules: The documentation doesn't allow it,
23303 and it will fail since the %command processors scan for the next %.
23304 (parse_token_decl): Extended the %token
23305 declaration to allow a multi-character symbol as an alias.
23306 (parse_thong_decl): New function.
23307 (read_declarations): Added %thong declarations.
23308 (read_declarations): Handle NOOP to deal with allowing
23309 % declarations as another means to specify the flags.
23310 (readgram): Allow %prec prior to semantics embedded in a rule.
23311 (skip_to_char, read_declarations, copy_definition)
23312 (parse_token_decl, parse_start_decl, parse_type_decl)
23313 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
23314 (get_type_name, copy_guard, copy_action, readgram)
23315 (get_type, packsymbols): Revised most error messages.
23316 Changed `fatal' to `warnxxx' to avoid aborting for error.
23317 Revised and use multiple warnxxx functions to avoid using VARARGS1.
23318 (read_declarations): Improve the error message for
23319 an invalid character. Do not abort.
23320 (read_declarations, copy_guard, copy_action): Use
23321 printable_version to avoid unprintable characters in printed output.
23322 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
23323 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
23324 Allow the type of a non-terminal can be given
23325 more than once, as long as all specifications give the same type.
23326
23327 * src/output.c:
23328 (output_headers, output_trailers, output, output_gram)
23329 (output_rule_data): Implement noparserflag variable.
23330 Implement toknumflag variable.
23331 (output): Call reader_output_yylsp to output LTYPESTR.
23332
23333 * src/main.c (main):
23334 If reader sees an error, don't process the grammar.
23335 (fatals): Updated to not use VARARGS1.
23336 (printable_version, int_to_string, warn, warni, warns, warnss)
23337 (warnsss): New error reporting functions. Avoid abort for error.
23338
23339 * src/lex.h:
23340 Added THONG and NOOP for alias processing.
23341 Added SETOPT for the new code that allows setting options with %flags.
23342
23343 * src/lex.c:
23344 Include getopt.h. Add some extern decls.
23345 (safegetc): New function to deal with EOF gracefully.
23346 (literalchar); new function to deal with reading \ escapes.
23347 (lex): Use literalchar.
23348 (lex): Implemented "..." tokens.
23349 (literalchar, lex, parse_percent_token): Made tokenbuffer
23350 always contain the token. This includes growing the token
23351 buffer while reading an integer.
23352 (parse_percent_token): Replaced if-else statement with percent_table.
23353 (parse_percent_token): Added % declarations as another
23354 way to specify the flags -n, -l, and -r. Also added hooks for
23355 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
23356 major changes to files.c.
23357 (lex) Retain in the incoming stream a character following
23358 an incorrect '/'.
23359 (skip_white_space, lex): Revised most error messages
23360 and changed fatal to warn to avoid aborting.
23361 (percent_table): Added %thong declarations.
23362
23363 * src/gram.h: Comment changes.
23364
23365 * src/files.c (openfiles, open_extra_files, done):
23366 Add faction flag
23367 and actfile file. Handle noparserflag. Both for -n switch.
23368
23369 * src/conflicts.c (resolve_sr_conflict):
23370 Remove use of alloca.
23371
23372 1995-06-01 Jim Meyering <meyering@gnu.org>
23373
23374 * doc/bison.texinfo: *** empty log message ***
23375
23376 1995-05-06 Richard Stallman <rms@gnu.org>
23377
23378 * src/bison.s1: Comment change.
23379
23380 1995-05-06 Richard Stallman <rms@gnu.org>
23381
23382 * bison.simple: Comment change.
23383
23384 1995-05-03 Richard Stallman <rms@gnu.org>
23385
23386 * src/version.c: Version now 1.24.
23387
23388 * src/bison.s1: Change distribution terms.
23389
23390 * src/version.c: Version now 1.23.
23391
23392 1995-05-03 Richard Stallman <rms@gnu.org>
23393
23394 * doc/bison.texinfo:
23395 Rewrite "Conditions for Using Bison".
23396 Update version to 1.24.
23397
23398 1995-05-03 Richard Stallman <rms@gnu.org>
23399
23400 * bison.simple: Change distribution terms.
23401
23402 1995-02-23 Richard Stallman <rms@gnu.org>
23403
23404 * src/files.c: Test __VMS_POSIX as well as VMS.
23405
23406 1995-02-14 Jim Meyering <meyering@gnu.org>
23407
23408 * src/bison.s1 (__yy_memcpy):
23409 Renamed from __yy_bcopy to avoid
23410 confusion. Reverse FROM and TO arguments to be consistent with
23411 those of memcpy.
23412
23413 1995-02-14 Jim Meyering <meyering@gnu.org>
23414
23415 * bison.simple (__yy_memcpy):
23416 Renamed from __yy_bcopy to avoid
23417 confusion. Reverse FROM and TO arguments to be consistent with
23418 those of memcpy.
23419
23420 1994-11-10 David J. MacKenzie <djm@gnu.org>
23421
23422 * NEWS: reformat
23423
23424 * NEWS: New file.
23425
23426 * Makefile.in (DISTFILES): Include NEWS.
23427
23428 * Makefile.in (DISTFILES):
23429 Include install-sh, not install.sh.
23430
23431 * configure.in: Update to Autoconf v2 macro names.
23432
23433 1994-10-05 David J. MacKenzie <djm@gnu.org>
23434
23435 * Makefile.in: fix typo
23436
23437 * Makefile.in (prefix, exec_prefix):
23438 Let configure set them.
23439
23440 1994-09-28 David J. MacKenzie <djm@gnu.org>
23441
23442 * Makefile.in: Set datadir to $(prefix)/share.
23443
23444 1994-09-15 Richard Stallman <rms@gnu.org>
23445
23446 * src/bison.s1:
23447 Update copyright notice and GPL version.
23448
23449 1994-09-15 Richard Stallman <rms@gnu.org>
23450
23451 * bison.simple:
23452 Update copyright notice and GPL version.
23453
23454 1994-07-12 Richard Stallman <rms@gnu.org>
23455
23456 * src/reduce.c, src/reader.c:
23457 entered into RCS
23458
23459 1994-05-05 David J. MacKenzie <djm@gnu.org>
23460
23461 * Makefile.in: entered into RCS
23462
23463 1994-03-26 Richard Stallman <rms@gnu.org>
23464
23465 * src/bison.s1: entered into RCS
23466
23467 1994-03-26 Richard Stallman <rms@gnu.org>
23468
23469 * bison.simple: entered into RCS
23470
23471 1994-03-25 Richard Stallman <rms@gnu.org>
23472
23473 * src/main.c: entered into RCS
23474
23475 1994-03-24 Richard Stallman <rms@gnu.org>
23476
23477 * src/conflicts.c: entered into RCS
23478
23479 1994-01-02 Richard Stallman <rms@gnu.org>
23480
23481 * Makefile.in: *** empty log message ***
23482
23483 1993-11-21 Richard Stallman <rms@gnu.org>
23484
23485 * src/bison.s1: *** empty log message ***
23486
23487 1993-11-21 Richard Stallman <rms@gnu.org>
23488
23489 * doc/bison.texinfo: entered into RCS
23490
23491 * doc/bison.texinfo: *** empty log message ***
23492
23493 1993-11-21 Richard Stallman <rms@gnu.org>
23494
23495 * bison.simple: *** empty log message ***
23496
23497 1993-10-25 David J. MacKenzie <djm@gnu.org>
23498
23499 * doc/bison.texinfo: *** empty log message ***
23500
23501 1993-10-19 Richard Stallman <rms@gnu.org>
23502
23503 * src/bison.s1: *** empty log message ***
23504
23505 1993-10-19 Richard Stallman <rms@gnu.org>
23506
23507 * bison.simple: *** empty log message ***
23508
23509 1993-10-14 Richard Stallman <rms@gnu.org>
23510
23511 * src/bison.s1: *** empty log message ***
23512
23513 1993-10-14 Richard Stallman <rms@gnu.org>
23514
23515 * bison.simple: *** empty log message ***
23516
23517 1993-09-14 David J. MacKenzie <djm@gnu.org>
23518
23519 * doc/bison.texinfo: *** empty log message ***
23520
23521 1993-09-13 Noah Friedman <friedman@gnu.org>
23522
23523 * Makefile.in: *** empty log message ***
23524
23525 1993-09-10 Richard Stallman <rms@gnu.org>
23526
23527 * src/conflicts.c: *** empty log message ***
23528
23529 * src/system.h: entered into RCS
23530
23531 1993-09-10 Richard Stallman <rms@gnu.org>
23532
23533 * doc/bison.1: entered into RCS
23534
23535 1993-09-06 Noah Friedman <friedman@gnu.org>
23536
23537 * src/version.c: entered into RCS
23538
23539 1993-09-06 Noah Friedman <friedman@gnu.org>
23540
23541 * Makefile.in: *** empty log message ***
23542
23543 1993-07-30 David J. MacKenzie <djm@gnu.org>
23544
23545 * Makefile.in: *** empty log message ***
23546
23547 1993-07-24 Richard Stallman <rms@gnu.org>
23548
23549 * src/bison.s1: *** empty log message ***
23550
23551 1993-07-24 Richard Stallman <rms@gnu.org>
23552
23553 * bison.simple: *** empty log message ***
23554
23555 1993-07-08 David J. MacKenzie <djm@gnu.org>
23556
23557 * Makefile.in: *** empty log message ***
23558
23559 1993-07-04 Richard Stallman <rms@gnu.org>
23560
23561 * src/bison.s1: *** empty log message ***
23562
23563 1993-07-04 Richard Stallman <rms@gnu.org>
23564
23565 * bison.simple: *** empty log message ***
23566
23567 1993-06-26 David J. MacKenzie <djm@gnu.org>
23568
23569 * src/getargs.c: entered into RCS
23570
23571 1993-06-26 David J. MacKenzie <djm@gnu.org>
23572
23573 * doc/bison.texinfo: *** empty log message ***
23574
23575 * doc/bison.1: New file.
23576
23577 1993-06-25 Richard Stallman <rms@gnu.org>
23578
23579 * src/getargs.c: New file.
23580
23581 1993-06-16 Richard Stallman <rms@gnu.org>
23582
23583 * src/bison.s1: *** empty log message ***
23584
23585 1993-06-16 Richard Stallman <rms@gnu.org>
23586
23587 * bison.simple: *** empty log message ***
23588
23589 1993-06-03 Richard Stallman <rms@gnu.org>
23590
23591 * src/bison.s1: New file.
23592
23593 1993-06-03 Richard Stallman <rms@gnu.org>
23594
23595 * doc/bison.texinfo: *** empty log message ***
23596
23597 1993-06-03 Richard Stallman <rms@gnu.org>
23598
23599 * bison.simple: New file.
23600
23601 1993-05-19 Richard Stallman <rms@gnu.org>
23602
23603 * doc/bison.texinfo: New file.
23604
23605 1993-05-07 Noah Friedman <friedman@gnu.org>
23606
23607 * Makefile.in: *** empty log message ***
23608
23609 1993-04-28 Noah Friedman <friedman@gnu.org>
23610
23611 * src/reader.c: *** empty log message ***
23612
23613 1993-04-23 Noah Friedman <friedman@gnu.org>
23614
23615 * src/alloc.h: entered into RCS
23616
23617 1993-04-20 David J. MacKenzie <djm@gnu.org>
23618
23619 * src/version.c: *** empty log message ***
23620
23621 * src/files.c, src/allocate.c:
23622 entered into RCS
23623
23624 * src/reader.c: *** empty log message ***
23625
23626 * src/lex.c: entered into RCS
23627
23628 * src/conflicts.c: New file.
23629
23630 * src/symtab.c: entered into RCS
23631
23632 * src/alloc.h: New file.
23633
23634 * src/LR0.c: entered into RCS
23635
23636 1993-04-18 Noah Friedman <friedman@gnu.org>
23637
23638 * src/reader.c: New file.
23639
23640 * src/version.c: *** empty log message ***
23641
23642 1993-04-18 Noah Friedman <friedman@gnu.org>
23643
23644 * Makefile.in: *** empty log message ***
23645
23646 1993-04-17 Noah Friedman <friedman@gnu.org>
23647
23648 * Makefile.in: *** empty log message ***
23649
23650 1993-04-15 Richard Stallman <rms@gnu.org>
23651
23652 * src/main.c, src/files.c:
23653 New file.
23654
23655 1993-04-15 Noah Friedman <friedman@gnu.org>
23656
23657 * configure.in: entered into RCS
23658
23659 * configure.in: *** empty log message ***
23660
23661 * configure.in: New file.
23662
23663 1993-04-14 Richard Stallman <rms@gnu.org>
23664
23665 * Makefile.in: New file.
23666
23667 1993-04-13 Richard Stallman <rms@gnu.org>
23668
23669 * src/version.c: New file.
23670
23671 1993-03-25 Richard Stallman <rms@gnu.org>
23672
23673 * src/output.c: entered into RCS
23674
23675 1992-09-25 Richard Stallman <rms@gnu.org>
23676
23677 * configure.bat: entered into RCS
23678
23679 1992-06-22 Richard Stallman <rms@gnu.org>
23680
23681 * src/vmsgetargs.c: entered into RCS
23682
23683 1992-06-22 Richard Stallman <rms@gnu.org>
23684
23685 * doc/bison.rnh: entered into RCS
23686
23687 1992-04-20 David J. MacKenzie <djm@gnu.org>
23688
23689 * README: entered into RCS
23690
23691 1992-01-22 Richard Stallman <rms@gnu.org>
23692
23693 * src/machine.h: entered into RCS
23694
23695 1991-12-21 Richard Stallman <rms@gnu.org>
23696
23697 * src/lalr.c, src/closure.c:
23698 entered into RCS
23699
23700 1991-12-20 Richard Stallman <rms@gnu.org>
23701
23702 * src/state.h: entered into RCS
23703
23704 1991-12-18 Richard Stallman <rms@gnu.org>
23705
23706 * src/print.c, src/nullable.c, src/derives.c:
23707 entered into RCS
23708
23709 1991-11-03 David J. MacKenzie <djm@gnu.org>
23710
23711 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
23712 entered into RCS
23713
23714 1988-09-09 Richard Stallman <rms@gnu.org>
23715
23716 * src/bison.hairy: entered into RCS
23717
23718 1987-12-16 Richard Stallman <rms@gnu.org>
23719
23720 * REFERENCES: entered into RCS
23721
23722
23723 -----
23724
23725 Copyright (C) 1987-1988, 1991-2011 Free Software Foundation,
23726 Inc.
23727
23728 Copying and distribution of this file, with or without
23729 modification, are permitted provided the copyright notice and this
23730 notice are preserved.