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1 2009-09-05 Alex Rozenman <rozenman@gmail.com>
2
3 Use "Unresolved reference" error message when no symbols were found
4 in a symbolic reference resolution. Remove .expr and -expr from
5 the shown reference when the reference is unresolved.
6 * src/scan-code.l: Change the error message, adjust location columns,
7 rename variable "exact_mode" to "explicit_bracketing".
8 * tests/named-ref.at: Adjust existing tests and add a new one.
9
10 2009-09-04 Akim Demaille <demaille@gostai.com>
11
12 Adjust synclines in src/parse-gram.[ch].
13 * tests/bison.in: Do some magic (including working around issues
14 with ylwrap) when this wrapper is used to compile
15 src/parse-gram.y.
16
17 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
18
19 Don't suppress warnings about unused parse.error.
20 * data/bison.m4 (b4_error_verbose_flag): Don't examine value of
21 %define variable parse.error unless b4_error_verbose_flag is
22 actually expanded in a skeleton.
23
24 2009-09-03 Akim Demaille <demaille@gostai.com>
25
26 * NEWS (2.4.2): Add "Internationalization" item.
27
28 2009-09-03 Akim Demaille <demaille@gostai.com>
29
30 bootstrap: fix/improve find_tool.
31 * bootstrap (find_tool): Improve error messages.
32 Fix typo about find_tool_names.
33
34 2009-08-29 Joel E. Denny <jdenny@clemson.edu>
35
36 Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
37 See
38 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
39 * src/scan-code.h (code_props_rule_action_init): Rename
40 named_ref arg to name so it doesn't shadow named_ref type. This
41 makes it consistent with the function definition in scan-code.l
42 anyway.
43
44 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
45
46 %define: accept unquoted values.
47 * NEWS (2.5): Group all %define changes together, and document
48 this one. Remove quotes in IELR and canonical LR entry.
49 * doc/bison.texinfo: Remove quotes in most examples throughout.
50 (Decl Summary): Update %define documentation.
51 (Table of Symbols): Likewise.
52 * src/ielr.c (LrType): Update documentation.
53 * src/parse-gram.y (content.opt): Add production for ID.
54 * tests/actions.at: Remove quotes in most tests.
55 * tests/calc.at: Likewise.
56 * tests/existing.at: Likewise.
57 * tests/input.at: Likewise.
58 * tests/local.at: Likewise.
59 * tests/push.at: Likewise.
60 * tests/reduce.at: Likewise.
61 * tests/torture.at: Likewise.
62
63 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
64
65 %define lr.type: make values lowercase IDs.
66 That is, "LALR" => "lalr", "IELR" => "ielr", and
67 "canonical LR" => "canonical-lr".
68 * NEWS (2.5): Update documentation.
69 * doc/bison.texinfo (Decl Summary): Likewise.
70 * src/ielr.c (ielr): Use new values.
71 * src/ielr.h (ielr): Update documentation.
72 * src/reader.c (prepare_percent_define_front_end_variables): Use
73 and validate new values.
74 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
75 grammars.
76 * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
77
78 2009-08-27 Eric Blake <ebb9@byu.net>
79
80 scan-gram: avoid portability trap with ctype usage.
81 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
82 Avoid compiler warning.
83
84 2009-08-27 Joel E. Denny <jdenny@clemson.edu>
85
86 tests: use perl for printing special sequences to files.
87 And skip tests if perl is not available. This is better than
88 playing tricks with shell portability. Suggested by Akim
89 Demaille.
90 * tests/input.at (Bad character literals): Use it here for
91 omitting final newlines.
92 (Bad escapes in literals): Use it here for special characters.
93
94 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
95
96 tests: show a use of %define lr.default-reductions "consistent"
97 * tests/conflicts.at (%nonassoc and eof): Extend to test that it
98 prevents the omission of expected tokens for %error-verbose.
99
100 2009-08-26 Akim Demaille <demaille@gostai.com>
101
102 tests: portability fix.
103 * tests/input.at (Bad escapes in literals): Don't expect "echo
104 '\0'" to output \ then 0.
105
106 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
107
108 Actually handle the yytable zero value correctly this time.
109 * data/bison.m4 (b4_integral_parser_tables_map): Don't mention
110 zero values in the YYTABLE comments.
111 * data/glr.c (yytable_value_is_error): Don't check for zero
112 value.
113 * data/lalr1.cc (yy_table_value_is_error_): Likewise.
114 * data/yacc.c (yytable_value_is_error): Likewise.
115 * data/lalr1.java (yy_table_value_is_error_): Likewise.
116 (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
117 * src/tables.h: In header comments, explain why it's useless to
118 check for a zero value in yytable.
119
120 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
121
122 More fixes related to last two patches.
123 * data/bison.m4 (b4_integral_parser_tables_map): Fix YYTABLE
124 comments: zero indicates syntax error not default action.
125 * data/c.m4 (b4_table_value_equals): Comment that YYID must be
126 defined.
127 * data/glr.c (yyis_pact_ninf): Rename to...
128 (yypact_value_is_default): ... this.
129 (yyisDefaultedState): Update for rename.
130 (yyis_table_ninf): Rename to...
131 (yytable_value_is_error): ... this, and check for value zero
132 besides just YYTABLE_NINF.
133 (yygetLRActions): Check for default value from yypact. It
134 appears that this check is always performed before this function
135 is invoked, and so adding the check here is probably redundant.
136 However, the code may evolve after this subtlety is forgotten.
137 Also, update for rename to yytable_value_is_error. Because that
138 macro now checks for zero, a different but equivalent branch of
139 the if-then-else here is evaluated.
140 (yyreportSyntaxError): Update for rename to
141 yytable_value_is_error. The zero condition was mishandled
142 before.
143 (yyrecoverSyntaxError): Update for renames. No behavioral
144 changes.
145 * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
146 New function.
147 (yy_table_value_is_error_): New function.
148 (parse): Use new functions where possible. No behavioral
149 changes.
150 (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
151 The zero condition was mishandled before.
152 * data/yacc.c (yyis_pact_ninf): Rename to...
153 (yypact_value_is_default): ... this.
154 (yyis_table_ninf): Rename to...
155 (yytable_value_is_error): ... this, and check for value zero
156 besides just YYTABLE_NINF.
157 (yysyntax_error): Update for rename to yytable_value_is_error.
158 The zero condition was mishandled before.
159 (yyparse): Update for renames. No behavioral changes.
160 * src/tables.h: Improve comments about yypact, yytable, etc.
161 more. Most importantly, say yytable value of zero means syntax
162 error not default action.
163
164 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
165
166 Fix %error-verbose for conflicts resolved by %nonassoc.
167 * NEWS (2.5): Document.
168 * data/glr.c (yyreportSyntaxError): Fix this by checking
169 yyis_table_ninf.
170 * data/yacc.c (yysyntax_error): Likewise.
171 * data/lalr1.cc (yysyntax_error_): Fix this by checking
172 yytable_ninf_.
173 * data/lalr1.java (yysyntax_error): Likewise.
174 * tests/conflicts.at (%nonassoc and eof): Update expected output
175 and remove FIXME.
176
177 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
178
179 Some code and documentation improvements.
180 * data/c.m4 (b4_table_value_equals): New macro to capture
181 some repeated code.
182 * data/glr.c (yyis_pact_ninf): Use it here.
183 (yyis_table_ninf): Likewise.
184 (yyreportSyntaxError): Improve internal comments.
185 * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
186 Use it everywhere possible.
187 (yyis_table_ninf): Likewise.
188 (yysyntax_error): Improve internal comments.
189 * data/lalr1.cc (yysyntax_error_): Likewise.
190 * data/lalr1.java (yysyntax_error): Likewise.
191 * src/tables.h: Improve comments about yypact, yytable, etc.
192
193 2009-08-21 Joel E. Denny <jdenny@clemson.edu>
194
195 Use locale when quoting.
196 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
197 quote rather than implementing quoting here.
198
199 2009-08-20 Eric Blake <ebb9@byu.net>
200
201 Make previous patch more robust.
202 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
203 argmatch.h.
204 (output_skeleton): Use it.
205 Suggested by Akim Demaille.
206
207 Import latest m4/m4.m4.
208 * submodules/autoconf: Update to autoconf 2.64.
209 * configure.ac (M4_GNU_OPTION): New define.
210 * src/output.c (output_skeleton): Use it to resolve FIXME.
211 * NEWS: Mention this.
212
213 2009-08-19 Joel E. Denny <jdenny@clemson.edu>
214
215 Fix complaints about escape sequences.
216 Discussed starting at
217 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
218 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
219 For a \0 and similar escape sequences meaning the null
220 character, report an invalid escape sequence instead of an
221 invalid null character because the latter does not actually
222 appear in the user's input.
223 In all escape sequence complaints, don't escape the initial
224 backslash, and don't quote when the sequence appears at the end
225 of the complaint line unless there's whitespace that quotearg
226 won't escape.
227 Consistently say "invalid" not "unrecognized".
228 Consistently prefer "empty character literal" over "extra
229 characters in character literal" warning for invalid escape
230 sequences; that is, consistently discard those sequences.
231 * tests/input.at (Bad escapes in literals): New.
232
233 2009-08-19 Akim Demaille <demaille@gostai.com>
234
235 doc: fixes.
236 * doc/bison.texinfo: Fix minor Texinfo errors.
237
238 2009-08-19 Akim Demaille <demaille@gostai.com>
239
240 tests: distcc compliance.
241 * tests/synclines.at (AT_SYNCLINES_COMPILE): Discard distcc's
242 error messages from the output.
243
244 2009-08-19 Akim Demaille <demaille@gostai.com>
245
246 variables: simplify the upgrade of namespace into api.namespace.
247
248 This patch simplifies "variables: rename namespace as
249 api.namespace", commit 67501061076ba46355cfd9f9361c7eed861b389c.
250 Suggested by Joel E. Denny in
251 http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00006.html
252
253 * src/muscle-tab.c (muscle_percent_variable_update): New.
254 (muscle_percent_define_insert): Use it in replacement of the
255 previous tr invocation.
256 Remove variable_tr, no longer needed.
257 * data/bison.m4 (b4_percent_define_copy_, b4_percent_define_copy):
258 Remove.
259 * data/c++.m4: No longer handle namespace -> api.namespace.
260 * tests/input.at (%define backward compatibility): Check that
261 namespace is treated as api.namespace.
262
263 2009-08-19 Akim Demaille <demaille@gostai.com>
264
265 doc: %initial-action to initialize yylloc.
266 Reported by Bill Allombert.
267 * doc/bison.texinfo: Set fill-column to 76.
268 (Location Type): Document the use of %initial-action to initialize
269 yylloc.
270
271 2009-08-19 Akim Demaille <demaille@gostai.com>
272
273 lalr1.cc: use state_type.
274 * data/lalr1.cc (yysyntax_error_): Use state_type.
275 Move argument names into yy*.
276
277 2009-08-19 Akim Demaille <demaille@gostai.com>
278
279 lalr1.cc: get rid of yyparse's yystate.
280 yystate and yystack_[0].state are equal, keep only the latter.
281 The former was also used as a temporary variable to compute the
282 post-reduction state. Move this computation into an auxiliary
283 function.
284
285 * data/glr.c (yyLRgotoState): Fuse variable definition and first
286 assignment.
287 * data/lalr1.cc (yy_lr_goto_state_): New.
288 (yyparse): Use it.
289 Replace remaining uses of yystate by yystate_[0].state.
290 Remove the former.
291
292 2009-08-19 Akim Demaille <demaille@gostai.com>
293
294 lalr1.cc: destroy $$ when YYERROR is called.
295 * data/lalr1.cc (yyreduce): Compute the resulting state before
296 running the user action so that yylhs is a valid symbol.
297 (yyerrorlab): Since yylhs is complete (it knows its type), we can
298 simply call yy_destroy_ to destroy $$ on YYERROR invocations.
299 * tests/c++.at (AT_CHECK_VARIANTS): Test YYERROR with variants.
300
301 2009-08-18 Joel E. Denny <jdenny@clemson.edu>
302
303 maint: update for gnulib's recent update-copyright changes
304 * gnulib: Update.
305 * .x-update-copyright (COPYING): Add as it's no longer implied
306 when .x-update-copyright is present.
307 * cfg.mk (update-copyright-local): Remove, now ignored.
308 (update-copyright): Declare update-b4-copyright as a dependency.
309
310 2009-08-17 Akim Demaille <demaille@gostai.com>
311
312 build: require gettext 0.17.
313
314 Suggested by Bruno Haible.
315 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
316 * configure.ac: require gettext 0.17 to ensure compatibility with
317 gnulib.
318
319 2009-08-17 Akim Demaille <demaille@gostai.com>
320
321 build: lower gettext requirements.
322
323 Bison was uselessly requiring the formatstring macros from
324 gettext, which resulted in mo files not being installed on systems
325 that perfectly supported Bison mo files. Lower the requirement.
326 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
327
328 * configure.ac: Require need-ngettext instead of
329 need-formatstring-macros.
330 Reported by Martin Jabocs.
331 Suggested by Bruno Haible.
332 * INSTALL: Restructure.
333 (Internationalization): New.
334
335 2009-08-14 Joel E. Denny <jdenny@clemson.edu>
336
337 maint: fix use of copyright year intervals.
338 * gnulib: Update.
339 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
340 as now recommended in gnulib/NEWS.
341 * build-aux/update-b4-copyright: Fix.
342 * cfg.mk (update-copyright-env): Configure update-copyright.
343
344 2009-08-13 Joel E. Denny <jdenny@clemson.edu>
345
346 Make it easier to write deterministic tests.
347 Continues Akim's work from his 2009-06-10 commits.
348 * src/reader.c (check_and_convert_grammar): Don't add any
349 symbols after the first symbols_do invocation.
350 * src/symtab.c (symbols_sorted): New static global.
351 (user_token_number_redeclaration): Update comments.
352 (symbol_from_uniqstr): If a new symbol is being created, assert
353 that symbols_sorted hasn't been allocated yet.
354 (symbols_free): Free symbols_sorted.
355 (symbols_cmp, symbols_cmp_qsort): New functions.
356 (symbols_do): Sort symbol_table into symbols_sorted on first
357 invocation.
358 * tests/input.at (Numbered tokens): Recombine tests now that the
359 output should be deterministic across multiple numbers.
360
361 2009-08-12 Akim Demaille <demaille@gostai.com>
362
363 tests: GCC 4.5 compliance.
364 * tests/synclines.at (AT_SYNCLINES_COMPILE): Adjust to GCC 4.5's
365 messages about #error.
366
367 2009-08-12 Akim Demaille <demaille@gostai.com>
368
369 build: fix the generation of the documentation.
370 Some of our targets use "bison --help", but they can't depend on
371 "bison" itself (to avoid additional requirements on the user), so
372 they used to call "make src/bison" in the commands. Then
373 concurrent builds may fail: one make might be aiming one of its
374 jobs at compiling src/bison, and another job at generating the man
375 page. If the latter is faster than the former, then we have two
376 makes that concurrently try to compile src/bison.
377
378 This might also be a more convincing explanation for the failure
379 described in the patch "build: fix paths".
380
381 * Makefile.am (SUFFIXES): Initialize.
382 * build-aux/move-if-change: New, symlink to gnulib's.
383 * build-aux/local.mk: Ship it.
384 * doc/common.x: Remove, merged into...
385 * doc/bison.x: here.
386 * doc/local.mk (doc/bison.help): New.
387 ($(CROSS_OPTIONS_TEXI)): Depend on it.
388 Use src/bison.
389 (.x.1): Replace with...
390 (doc/bison.1): this explicit, simpler, target.
391 (common_dep): Remove, inlined where appropriate.
392 (SUFFIXES, PREPATH): Remove, unused.
393
394 2009-08-12 Akim Demaille <demaille@gostai.com>
395
396 gnulib: improve prefixing.
397 * configure.ac (gl_PREFIXED_LIBOBJS): Don't rename it, rather,
398 change the value of...
399 (gl_LIBOBJS): this.
400 Adjust more variables.
401 * etc/prefix-gnulib-mk (prefix_assignment): Don't rename
402 gl_LIBOBJS.
403 (prefix): Also transform rules whose targets have slashes.
404 Use $prefix liberally.
405 Map @MKDIR_P@ to $(MKDIR_P).
406 Prefix directories that are mkdir'd.
407
408 2009-08-12 Akim Demaille <demaille@gostai.com>
409
410 build: fix paths.
411 When using $(top_builddir) inconsistently, Make (including GNU
412 Make) is sometimes confused. As a result it may want to build
413 lib/libbison.la and $(top_builddir)/lib/libbison.la (the same
414 file, different names) concurrently, which, amusingly enough,
415 might end with:
416
417 ranlib lib/libbison.a
418 ranlib lib/libbison.a
419 make[2]: *** [lib/libbison.a] Segmentation fault
420
421 on OS X.
422
423 * doc/local.mk, src/local.mk: Do not use $(top_builddir) when not
424 needed.
425
426 2009-08-12 Akim Demaille <demaille@gostai.com>
427
428 distcheck: fix.
429
430 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
431
432 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
433
434 * tests/local.mk (TESTSUITE_AT): Add named-refs.at.
435
436 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
437
438 Miscellaneous code readability improvements.
439
440 * src/reader.c (reader): Move %define front-end variable
441 defaults and checking into...
442 (prepare_percent_define_front_end_variables): ... this new
443 function.
444
445 * src/scan-gram.l (INITIAL): For consistency with string
446 literals, don't store open quote on character literal. It's
447 discarded before returning anyway.
448 (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
449 Make length test more readable, and make the character stored
450 for an empty literal more obvious while consistent with the
451 previous behavior.
452
453 * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
454 USER_NUMBER_HAS_STRING_ALIAS throughout.
455 * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
456 that is repeated in symtab.h. Improve argument names to make it
457 clear which side of the symbol-string alias pair is which.
458 (symbol_check_alias_consistency): Improve local variable names
459 for the same purpose.
460 * src/symtab.h (struct symbol): Make comments about aliases
461 clearer.
462 (symbol_make_alias): Improve comments and argument name.
463 * src/output.c (token_definitions_output): Update for rename to
464 USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
465
466 2009-08-08 Alex Rozenman <rozenman@gmail.com>
467
468 Convert "misleading reference" messages to warnings.
469 * src/scan-code.l: New function 'show_sub_messages', more
470 factoring.
471 * tests/named-ref.at: Adjust tests.
472
473 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
474
475 maint: run "make update-copyright"
476
477 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
478
479 maint: make update-b4-copyright easier to use
480 * build-aux/update-b4-copyright: In warnings, report line
481 numbers rather than character positions.
482 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
483 that update-copyright runs it.
484 * gnulib: Update.
485
486 2009-08-05 Joel E. Denny <jdenny@clemson.edu>
487
488 maint: clean up update-b4-copyright code
489 * build-aux/update-b4-copyright: Do not accept 2-digit
490 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
491 Don't accept a `[' in a b4_copyright argument.
492 Format code more consistently.
493 Don't assume b4*copyright never occurs.
494
495 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
496
497 maint: automate b4_copyright updates.
498 * Makefile.am (update-b4-copyright): New target rule.
499 * build-aux/local.mk (EXTRA_DIST): Add update-b4-copyright.
500 * build-aux/update-b4-copyright: New.
501 * data/yacc.c: Remove stray characters around b4_copyright
502 invocations.
503
504 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
505
506 maint: automate annual package-wide copyright-year update.
507 * .x-update-copyright: New.
508 * Makefile.am (EXTRA_DIST): Remove maint.mk.
509 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
510 update-copyright. Remove gnumakefile, which is implied by
511 maintainer-makefile.
512 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
513 * gnulib: Update.
514 * maint.mk: Remove, now copied from gnulib.
515 * examples/extexi: Add missing "(C)" in copyright statement so
516 update-copyright can recognize it.
517 * src/LR0.h: Likewise.
518 * src/print.h: Likewise.
519 * src/print_graph.h: Likewise.
520 * src/gram.c: Add missing comma in copyright statement.
521 * src/gram.h: Likewise.
522
523 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
524
525 Fix "make distcheck".
526 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
527 of just calc.stamp.
528
529 2009-08-01 Joel E. Denny <jdenny@clemson.edu>
530
531 Pacify "gcc -Wunused" for the input function from Flex.
532 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
533 and later.
534 * src/scan-code.l: Add "%option noinput", which I cannot find in
535 the Flex manual, but which Flex has supported since at least as
536 far back as 2.5.4. However, if any of our developers still use
537 Flex 2.5.4, they'll need to stop configuring with
538 --enable-gcc-warnings because "%option noinput" didn't work
539 correctly until Flex 2.5.6.
540 * src/scan-gram.l: Likewise.
541 * src/scan-skel.l: Likewise.
542
543 2009-07-31 Alex Rozenman <rozenman@gmail.com>
544
545 Fix --enable-gcc-warnings problems.
546 * src/reader.c: Adjust variable names.
547 * src/scan-code.l: Fix prototypes and adjust names.
548 * src/named-ref.c: Remove redundant "if".
549
550 2009-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
551
552 Fix a --enable-gcc-warnings problem.
553 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
554 variable.
555
556 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
557
558 Warn about character literals not of length one.
559 * NEWS (2.5): Document.
560 * src/scan-gram.l (INITIAL): Remove comment that we don't check
561 the length.
562 (SC_ESCAPED_CHARACTER): Warn if length is wrong.
563 * tests/input.at (Bad character literals): New test group.
564
565 2009-07-24 Alex Rozenman <rozenman@gmail.com>
566
567 Fix some memory leaks.
568 * src/named-ref.c: Add a pointer check (named_ref_free).
569 * src/scan-code.l: New function (variant_table_free). Called in
570 code_scanner_free.
571 * src/symlist.c: Call to named_ref_free (symbol_list_free).
572
573 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
574
575 * src/lalr.c (state_lookahead_tokens_count): Correct comment.
576
577 2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
578
579 Some M4 cleanup in the testsuite.
580 Suggested by Eric Blake at
581 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
582 * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
583 complicate the code by distinguishing between a missing value
584 and an empty string value for an optional argument. This fix is
585 allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
586 * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
587 (AT_TEST_TABLES_AND_PARSE): ... this now that the special
588 arguments are not needed because of the following changes.
589 Fix stale comments.
590 Bison developers should use GNU M4 and should not use
591 POSIXLY_CORRECT when building the test suite, so do not
592 complicate the code by avoiding $10 and above.
593 Do not quote an empty string value for an optional argument, and
594 do not distinguish between a missing value and an empty string
595 value.
596
597 2009-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
598
599 Revert unnecessary column realignment in --help output.
600 Reported by Akim Demaille at
601 <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
602 * src/getargs.c (usage): Here.
603
604 2009-07-04 Alex Rozenman <rozenman@gmail.com>
605
606 Alphabetical order in src/local.mk.
607 * src/local.mk: Adjust.
608
609 2009-07-04 Alex Rozenman <rozenman@gmail.com>
610
611 Style changes and factoring.
612 * src/named-ref.h: Add comments.
613 * src/parse-gram.y: Readability and style changes.
614 * src/reader.c: Factoring: assign_named_ref function.
615 * src/scan-code.l: Factoring and style changes. Rename
616 parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
617 Use "unsigned" type for variant index. Improve readablity.
618 * src/scan-gram.l: Change error messages and add comments.
619 * src/symlist.h: symbol_list_null: New function decl.
620 * src/symlist.c: symbol_list_null: Implement here.
621 * tests/named-refs.at: Adjust for new error messages.
622
623 2009-06-29 Eric Blake <ebb9@byu.net>
624
625 scan-code: avoid compiler warnings
626 * src/scan-code.l (parse_named_ref): Use correct specifiers.
627
628 2009-06-29 Akim Demaille <demaille@gostai.com>
629
630 build: avoid concurrent extraction of calc++.
631 * examples/calc++/Makefile.am (calc.stamp): New.
632 Depend on it to create the sources of calc++ so that concurrent
633 builds don't launch several "extexi" in parallel.
634 Not only this is inefficient, this also builds incorrect sources
635 with several extractions mixed together.
636
637 2009-06-29 Akim Demaille <demaille@gostai.com>
638
639 parse.error: fix.
640 * data/bison.m4: Move code related to specific variables after the
641 definition of the variable-maintaining macros so that we don't
642 "invoke" b4_percent_define_check_values before it is defined.
643
644 2009-06-29 Akim Demaille <demaille@gostai.com>
645
646 variables: parse.error
647
648 Implement, document, and test the replacement of %error-verbose
649 by %define parse.error "verbose".
650 * data/bison.m4 (b4_error_verbose_if): Reimplement to track the
651 values of the parse.error variable.
652 Make "simple" its default value.
653 Check the valid values.
654 * src/parse-gram.y: Use %define parse.error.
655 (PERCENT_ERROR_VERBOSE): New token.
656 Support it.
657 * src/scan-gram.l: Support %error-verbose.
658
659 * doc/bison.texinfo (Decl Summary): Replace the documentation of
660 %define error-verbose by that of %define parse.error.
661 * NEWS: Document it.
662
663 * tests/actions.at, tests/calc.at: Use parse.error instead of
664 %error-verbose.
665
666 2009-06-27 Alex Rozenman <rozenman@gmail.com>
667
668 Implement support for named symbol references.
669 * src/parse-gram.y: Add new syntax (named_ref.opt).
670 * src/reader.c: Store named refs in symbol lists.
671 * src/reader.h: New argument for symbol_append and
672 action_append functions.
673 * src/scan-code.h: Add new field (named_ref) into
674 code_props data structure. Keeps named ref of midrule
675 actions.
676 * src/scan-code.l: Support for named refs in semantic
677 action code. New function 'parse_named_ref'.
678 * src/scan-gram.l: Support bracketed id.
679 * src/symlist.c: Store named refs in symbol lists.
680 * src/symlist.h: New field in symbol list: named_ref.
681 * src/named-ref.h: New file, a struct for named_ref.
682 * src/named-ref.cp: New file, named_ref_new function.
683 * src/local.mk: Add two new files.
684 * tests/testsuite.at: Include new test group:
685 * tests/named-refs.at: this new file.
686
687 2009-06-25 Akim Demaille <demaille@gostai.com>
688
689 hash: check insertion for memory exhaustion.
690 * src/uniqstr.c (uniqstr_new): New.
691
692 2009-06-24 Akim Demaille <demaille@gostai.com>
693
694 variables: rename namespace as api.namespace.
695 Discussed in
696 http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00033.html
697
698 * data/bison.m4 (b4_percent_define_copy_, b4_percent_define_copy):
699 New.
700 (b4_percent_define_use): New.
701 Use it where applicable.
702 * data/c++.m4: Replace uses of the variable "namespace" by
703 "api.namespace".
704 Default the latter to the former.
705 * doc/bison.texinfo (Decl Summary): Document "namespace" as
706 obsolete.
707 Document api.namespace.
708 Use @samp to document %define uses, keep @code for identifiers.
709 * NEWS: Likewise.
710 * tests/c++.at, tests/input.at: Test api.namespace instead of
711 namespace. (The tests passed with namespace.)
712
713 2009-06-11 Akim Demaille <demaille@gostai.com>
714
715 style changes.
716 * data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
717 * src/print-xml.c: Style changes.
718 * tests/conflicts.at: Comment changes.
719
720 2009-06-11 Akim Demaille <demaille@gostai.com>
721
722 xml: beware of user strings used to give a %prec to rules.
723 * tests/conflicts.at (%prec with user strings): New.
724 * src/gram.c (grammar_rules_print_xml): Escape the precedence for
725 XML output.
726
727 2009-06-11 Akim Demaille <demaille@gostai.com>
728
729 hash: check insertion for memory exhaustion.
730 * src/muscle-tab.c (muscle_insert, muscle_grow)
731 * src/state.c (state_hash_insert): Check the return value of
732 hash_insert.
733
734 2009-06-11 Akim Demaille <demaille@gostai.com>
735
736 tests: honor TESTSUITEFLAGS in every check target.
737 * tests/local.mk (RUN_TESTSUITE): New.
738 (check-local, installcheck-local, maintainer-check-g++)
739 (maintainer-check-posix, maintainer-check-valgrind): Use it.
740
741 2009-06-10 Akim Demaille <demaille@gostai.com>
742
743 deterministic test suite.
744 Some consistency checks on symbols are performed after all the
745 symbols were read, by an iteration over the symbol table. This
746 traversal is nondeterministic, which can be a problem for test
747 cases.
748 Avoid this.
749 Addresses another form of nondeterminism reported by Joel E. Denny.
750 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
751
752 * tests/input.at (Numbered tokens): Split the hexadecimal/decimal
753 test in two.
754 Use different file names for the three tests to make the
755 maintenance easier.
756
757 2009-06-10 Akim Demaille <demaille@gostai.com>
758
759 gnulib: update.
760 * gnulib: Update to latest.
761 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
762 * m4/.gitignore: Regen.
763 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
764 Call xalloc_die on hash_insert failures.
765 Requested by the new __warn_unused_result__ attribute of
766 hash_insert.
767
768 2009-06-10 Akim Demaille <demaille@gostai.com>
769
770 deterministic user-token-number redeclaration errors.
771 Address nondeterminism reported by Joel E. Denny.
772 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
773
774 * src/uniqstr.h: Comment changes.
775 * src/location.h (boundary_cmp, location_cmp): New.
776 * src/symtab.c (user_token_number_redeclaration): New.
777 (symbol_translation): Use it.
778 * tests/input.at (Numbered tokens): Adjust the expected output.
779
780 2009-05-25 Akim Demaille <demaille@gostai.com>
781
782 build: avoid ignored errors.
783 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Don't generate ignored
784 errors, they pollute the output.
785
786 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
787
788 Convert multiple variable definition warnings to complaints.
789 * NEWS (2.5): Add a new entry for that change.
790 * doc/bison.texinfo (Decl Summary): Update %define entry.
791 (Bison Options): Update -D/--define/-F/--force-define entry.
792 * src/muscle-tab.c (muscle_percent_define_insert): Implement.
793 * src/muscle-tab.h (muscle_percent_define_insert): Update
794 comments.
795 * tests/input.at (`%define errors'): Update.
796 (`%define, --define, --force-define'): Update.
797
798 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
799
800 -F/--force-define and relative %define/-D/--define priorities.
801 * NEWS (2.5): Add documentation to -D/--define entry.
802 * build-aux/cross-options.pl: Hard-code association of
803 --force-define with %define.
804 * doc/bison.texinfo (Decl Summary): In %define entry,
805 cross-reference command-line options.
806 (Bison Options): Add documentation to -D/--define entry.
807 (Option Cross Key): Widen column for --force-define row.
808 * src/getargs.c (usage): Document -F/--force-define. Realign
809 options in output.
810 (short_options, long_options, getargs): Parse -F/--force-define,
811 and update muscle_percent_define_insert invocations.
812 * src/muscle-tab.h (muscle_percent_define_how): New enum type.
813 (muscle_percent_define_insert): Add argument with that type.
814 * src/muscle-tab.c (muscle_percent_define_insert): Implement
815 -F/--force-define behavior and priorities.
816 (muscle_percent_define_ensure): Update
817 muscle_percent_define_insert invocation.
818 * src/parse-gram.y (prologue_declaration): Update
819 muscle_percent_define_insert invocations.
820 * tests/input.at (`%define, --define'): Rename to...
821 (`%define, --define, --force-define'): ... this and extend.
822
823 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
824
825 Update some comments to make sense for -D.
826 * data/bison.m4 (b4_check_user_names): In header comments, say
827 "user occurrence" instead of "grammar occurrence".
828 * src/muscle-tab.h (muscle_percent_define_insert): Likewise.
829 (muscle_percent_code_grow): Likewise just for consistency.
830
831 2009-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
832
833 * data/c++.m4 (b4_namespace_close): Simplify slightly.
834
835 2009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
836
837 Handle a trailing `:' in a user-supplied C++ namespace better.
838 * data/c++.m4 (b4_namespace_close): Don't let it be printed
839 among the closing braces here. This fix might make the
840 generated code easier to debug, but otherwise it should be
841 insignificant because a trailing `:' is a C++ error already.
842
843 2009-05-19 Akim Demaille <demaille@gostai.com>
844
845 remove useless variable.
846 * src/getargs.c (skeleton_arg): Remove now useless variable.
847 Should help the compiler see that this printf-like call is sane.
848
849 2009-05-15 Akim Demaille <demaille@gostai.com>
850
851 Rename token.prefix as api.tokens.prefix.
852 Discussed here.
853 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00024.html.
854
855 * NEWS, data/bison.m4, data/c.m4, data/java.m4, doc/bison.texinfo,
856 * tests/c++.at, tests/calc.at, tests/java.at, tests/local.at
857 (token.prefix): Rename as...
858 (api.tokens.prefix): this.
859
860 2009-05-11 Akim Demaille <demaille@gostai.com>
861
862 doc: use C++ headers.
863 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
864 headers.
865
866 2009-05-11 Akim Demaille <demaille@gostai.com>
867
868 doc: token.prefix
869 * doc/bison.simple (Decl Summary): Document token.prefix.
870 (Calc++ Parser): Various fixes.
871 Formatting changes.
872 Use token.prefix.
873 Introduce a macro TOKEN to shorten the code and make it more
874 readable.
875 (Calc++ Scanner): Adjust.
876 * NEWS (Variable token.prefix): New.
877
878 2009-05-04 Akim Demaille <demaille@gostai.com>
879
880 bison: catch bad symbol names.
881 * src/scan-gram.l({int}{id}): Report as an invalid identifier.
882 * tests/input.at: Adjust.
883
884 2009-05-04 Akim Demaille <demaille@gostai.com>
885
886 identifiers: dashes are letters.
887 Dashes can now start identifiers (symbols and directives).
888
889 * src/scan-gram.l ({letter}): Add dash.
890 ({id}): Remove it.
891 * tests/input.at (Symbols): Adjust.
892 Remove stray comment.
893 * tests/regression.at (Invalid inputs): Adjust error message.
894 * doc/bison.texinfo (Symbols): Update.
895
896 2009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
897
898 Declare %code to be a permanent feature.
899 * NEWS (2.4.2): Here.
900 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
901 experimental.
902 (Decl Summary): Likewise.
903
904 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
905
906 Convert underscores to dashes in some %define variable names.
907 For now, just api.push-pull and lr.keep-unreachable-states.
908 Maintain old names for backward compatibility.
909 * NEWS (2.5): Document.
910 * data/c.m4 (b4_identification): Update comment.
911 * data/yacc.c: Update access.
912 * doc/bison.texinfo: Update.
913 * etc/bench.pl.in (bench_push_parser): Update use.
914 * src/files.c (tr): Move to...
915 * src/getargs.c, src/getargs.h (tr): ... here because I can't
916 think of a better place to expose it. My logic is that, for all
917 uses of tr so far, command-line arguments can be involved, and
918 getargs.h is already included.
919 * src/main.c (main): Update access.
920 * src/muscle_tab.c (muscle_percent_define_insert): Convert old
921 variable names to new variable names before assigning value.
922 * src/reader.c (reader): Update setting default.
923 * tests/calc.at: Update uses.
924 * tests/conflicts.at (Unreachable States After Conflict
925 Resolution): Update use.
926 * tests/input.at (%define enum variables): Update use.
927 (%define backward compatibility): New test group.
928 * tests/push.at: Update uses.
929 * tests/reduce.at: Update uses.
930 * tests/torture.at: Update uses.
931
932 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
933
934 Set all front-end %define defaults in one place.
935 * src/main.c (main): Move lr.keep_unreachable_states default...
936 * src/reader.c (reader): ... to here.
937
938 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
939
940 Rename lr.default_reductions to lr.default-reductions.
941 * NEWS (2.5): Here.
942 * doc/bison.texinfo: Here.
943 * src/lalr.c (initialize_LA): Here.
944 * src/print.c (print_reductions): Here.
945 * src/reader.c (reader): Here.
946 * src/tables.c (action_row): Here.
947 * tests/input.at (%define enum variables): Here.
948 * tests/reduce.at (AT_TEST_LR_DEFAULT_REDUCTIONS): Here.
949
950 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
951
952 Pacify ./configure --enable-gcc-warnings.
953 * tests/input.at (Symbols): Prototype yyerror and yylex.
954
955 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
956
957 Document how `%define "var" "value"' is not M4-friendly.
958 * src/parse-gram.y (variable): In comments here.
959
960 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
961
962 Clean up recent patches a little.
963 Reported by Akim Demaille.
964 * doc/bison.texinfo (Understanding): Fix typos.
965 * src/print.c (print_reductions): Don't use negated variable.
966
967 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
968
969 List accepted values for a %define enum variable with an invalid value.
970 Suggested by Akim Demaille at
971 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00082.html>.
972 * data/bison.m4 (_b4_percent_define_check_values): Implement.
973 * src/muscle-tab.c (muscle_percent_define_check_values): Implement.
974 * tests/input.at (%define lr.default_reductions invalid values): Merge
975 into...
976 (%define enum variables): ... here, and update output.
977
978 2009-04-23 Joel E. Denny <jdenny@ces.clemson.edu>
979
980 Rename "default rule" to "default reduction".
981 This includes changing variable names in code, changing
982 comments, and renaming %define lr.default_rules to %define
983 lr.default_reductions.
984 * NEWS (2.5): Update IELR documentation.
985 * data/bison.m4 (b4_integral_parser_tables_map): Adjust YYDEFACT
986 documentation.
987 * data/glr.c, data/lalr1.java: Sync copyright dates.
988 * doc/bison.texinfo (Decl Summary): Adjust lr.default_reductions
989 and lr.type documentation. Make some other wording
990 improvements.
991 (Glossary): Adjust cross-references and Default Reduction
992 definition.
993 * src/lalr.c (state_lookahead_tokens_count): Adjust code.
994 Remove a confusing comment pointed out by Akim Demaille.
995 (initialize_LA): Adjust code.
996 * src/print-xml.c (print_reductions): Adjust code.
997 * src/print.c (print_reductions): Adjust code.
998 * src/reader.c (reader): Adjust code.
999 * src/tables.c (action_row): Adjust code.
1000 (token_actions): Adjust code.
1001 * src/tables.h: Adjust YYDEFACT documentation.
1002 * tests/input.at (%define lr.default_rules invalid values):
1003 Rename test group to...
1004 (%define lr.default_reductions invalid values): ... this, and
1005 update grammar file and expected output.
1006 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): Rename to...
1007 (AT_TEST_LR_DEFAULT_REDUCTIONS): ... this, and update.
1008
1009 2009-04-21 Akim Demaille <demaille@gostai.com>
1010
1011 tests: check the use of dashes and periods in symbols.
1012 * tests/input.at (Symbol): New test group.
1013
1014 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1015
1016 Document %define lr.type and lr.default_rules.
1017 * NEWS (2.5): Add an entry.
1018 * src/getargs.c (usage): Mention IELR(1) and canonical LR(1)
1019 besides just LALR(1) and GLR(1).
1020 * doc/bison.texinfo (Introduction): Likewise.
1021 (Language and Grammar): Bison is no longer limited to LALR(1)
1022 restrictions.
1023 (GLR parsing): Say deterministic or LR(1) rather than LALR(1)
1024 when trying to distinguish from GLR. Talk about LR(1) grammars
1025 rather than LALR(1) grammars.
1026 (Decl Summary): In %define api.push_pull entry, say it applies
1027 to deterministic parsers in C rather than LALR(1) parsers in C.
1028 Add lr.default_rules entry.
1029 Add lr.type entry.
1030 (Mystery Conflicts): Bison is no longer limited to LALR(1)
1031 restrictions.
1032 (Generalized LR Parsing): Same changes as for the previous GLR
1033 section.
1034 (Memory Management): Say deterministic rather than LALR(1).
1035 (Understanding): Correct some bison output.
1036 Index discussion of "accepting state".
1037 Say deterministic rather than LALR(1).
1038 (Bison Options): In --yacc entry, say deterministic rather than
1039 LALR(1).
1040 In --report, --graph, and --xml entries, just don't mention
1041 LALR(1).
1042 (C++ Parsers): Say deterministic rather than LALR(1).
1043 (Table of Symbols): Likewise in YYSTACK_USE_ALLOCA entry.
1044 (Glossary): Add Accepting State, Consistent State, Default Rule,
1045 and IELR(1) definitions.
1046 In Generalized LR (GLR) definition, make same changes as in
1047 previous GLR sections.
1048 In LALR(1) definition, say Bison uses LALR(1) by default rather
1049 than implying Bison is limited to LALR(1).
1050 (LocalWords): Add IELR.
1051
1052 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1053
1054 Finish implementing %define lr.type.
1055 Its value can be "LALR", "IELR", or "canonical LR".
1056 * lib/timevar.def (TV_IELR_PHASE1): New var.
1057 (TV_IELR_PHASE2): New var.
1058 (TV_IELR_PHASE3): New var.
1059 (TV_IELR_PHASE4): New var.
1060 * src/Makefile.am (bison_SOURCES): Add AnnotationList.c,
1061 AnnotationList.h, InadequacyList.c, InadequacyList.h, Sbitset.c,
1062 Sbitset.h, ielr.h, and ielr.c.
1063 * src/getargs.h, src/getargs.c (enum trace, trace_args,
1064 trace_types): Add trace_ielr.
1065 * src/lalr.h, src/lalr.c (ngotos): Export it.
1066 (F): Rename to...
1067 (goto_follows): ... this, update all uses, and export it.
1068 (set_goto_map): Export it.
1069 (map_goto): Export it.
1070 (compute_lookahead_tokens): Don't free goto_follows yet. Now
1071 handled in ielr.
1072 (initialize_LA): Export it. Move lookback allocation to...
1073 (lalr): ... here because, for canonical LR, initialize_LA must
1074 be invoked but lookback and much of the rest of LALR isn't
1075 needed.
1076 * main.c (main): Instead of lalr, invoke ielr, which invokes
1077 lalr.
1078 * src/reader.c (reader): Default lr.type to "LALR".
1079 Default lr.default_rules to "accepting" if lr.type is "canonical
1080 LR". Leave the default as "all" otherwise.
1081 Check for a valid lr.type value.
1082 * src/state.h, src/state.c (struct state_list): Add state_list
1083 member.
1084 (state_new): Initialize state_list member to NULL.
1085 (state_new_isocore): New function, exported.
1086 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): New macro that
1087 exercises all values of lr.type.
1088 (GNU AWK Grammar): Rename test group to...
1089 (GNU AWK 3.1.0 Grammar): ... this, and extend to use
1090 AT_TEST_EXISTING_GRAMMAR.
1091 (GNU Cim Grammar): Extend to use AT_TEST_EXISTING_GRAMMAR.
1092 (GNU pic Grammar): Rename test group to...
1093 (GNU pic (Groff 1.18.1) Grammar): ... this, and extend to use
1094 AT_TEST_EXISTING_GRAMMAR.
1095 * tests/reduce.at (AT_TEST_LR_TYPE): New macro that exercises
1096 all values of lr.type.
1097 (Single State Split): New test groups using AT_TEST_LR_TYPE.
1098 (Lane Split): Likewise.
1099 (Complex Lane Split): Likewise.
1100 (Split During Added Lookahead Propagation): Likewise.
1101
1102 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1103
1104 Add new files for IELR and canonical LR implementation.
1105 * src/AnnotationList.c: New.
1106 * src/AnnotationList.h: New.
1107 * src/InadequacyList.c: New.
1108 * src/InadequacyList.h: New.
1109 * src/Sbitset.c: New.
1110 * src/Sbitset.h: New.
1111 * src/ielr.c: New.
1112 * src/ielr.h: New.
1113
1114 2009-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
1115
1116 Implement %define lr.default_rules.
1117 Its value describes the states that are permitted to contain
1118 default rules: "all", "consistent", or "accepting".
1119 * src/reader.c (reader): Default lr.default_rules to "all".
1120 Check for a valid lr.default_rules value.
1121 * src/lalr.c (state_lookahead_tokens_count): If lr.default_rules
1122 is "accepting", then only mark the accepting state as
1123 consistent.
1124 (initialize_LA): Tell state_lookahead_tokens_count whether
1125 lr.default_rules is "accepting".
1126 * src/tables.c (action_row): If lr.default_rules is not "all",
1127 then disable default rules in inconsistent states.
1128 * src/print.c (print_reductions): Use this opportunity to
1129 perform some assertions about whether lr.default_rules was
1130 obeyed correctly.
1131 * tests/local.at (AT_TEST_TABLES_AND_PARSE): New macro that
1132 helps with checking the parser tables for a grammar.
1133 * tests/input.at (%define lr.default_rules invalid values): New
1134 test group.
1135 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): New macro using
1136 AT_TEST_TABLES_AND_PARSE.
1137 (`no %define lr.default_rules'): New test group generated by
1138 AT_TEST_LR_DEFAULT_RULES.
1139 (`%define lr.default_rules "all"'): Likewise.
1140 (`%define lr.default_rules "consistent"'): Likewise.
1141 (`%define lr.default_rules "accepting"'): Likewise.
1142
1143 2009-04-20 Akim Demaille <demaille@gostai.com>
1144
1145 Formatting change.
1146
1147 2009-04-20 Akim Demaille <demaille@gostai.com>
1148
1149 bison: factoring.
1150 * src/output.c (token_definitions_output): Use symbol_id_get
1151 instead of duplicating its logic.
1152 * TODO (YYERRCODE): Extend.
1153
1154 2009-04-20 Akim Demaille <demaille@gostai.com>
1155
1156 variables: prefer error-verbose to error_verbose.
1157 * data/bison.m4 (b4_error_verbose_if): Based on error-verbose
1158 instead of error_verbose.
1159 * src/scan-gram.l (%error-verbose): Map to the error-verbose
1160 variable.
1161 * doc/bison.texinfo: Promote %define error-verbose instead of
1162 %error-verbose.
1163 * tests/actions.at: Prefer %define error-verbose to %error-verbose.
1164
1165 2009-04-15 Akim Demaille <demaille@gostai.com>
1166
1167 variables: accept dashes.
1168 * data/bison.m4 (b4_percent_define_if_define_): Also map dashes to
1169 underscores.
1170 * src/scan-gram.l ({id}): Also accept dashes after the initial
1171 letter.
1172 ({directive}): Use {id}.
1173 * src/parse-gram.y: Comment and formatting changes.
1174 * doc/bison.texinfo (Symbols): Adjust the lexical definitions of
1175 symbols.
1176 * src/complain.h, src/complain.c (yacc_at): New.
1177 * src/symtab.c (symbol_new): Use yacc_at to report inappropriate
1178 symbol names.
1179 * src/output.c (token_definitions_output): Do not #define token
1180 names with dashes.
1181
1182 2009-04-20 Akim Demaille <demaille@gostai.com>
1183
1184 Consistently refer to Yacc, not YACC.
1185 * src/getargs.c (usage, warnings_args): s/YACC/Yacc/.
1186
1187 2009-04-17 Joel E. Denny <jdenny@ces.clemson.edu>
1188
1189 Pacify make maintainer-check-posix.
1190 * tests/input.at (%define, --define): Move bison command-line
1191 options before grammar file name.
1192
1193 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
1194
1195 Document semicolon warnings.
1196 * NEWS (2.5): Here.
1197
1198 2009-04-14 Akim Demaille <demaille@gostai.com>
1199
1200 variables: use `parse.assert' instead of `assert'.
1201 * TODO (assert): Remove.
1202 * data/bison.m4 (b4_assert_if): Replace with...
1203 (b4_parse_assert_if): this.
1204 * data/lalr1.cc, data/variant.hh, tests/c++.at: Adjust.
1205 * doc/bison.texinfo (Decl Summary): Document parse.assert.
1206
1207 2009-04-14 Akim Demaille <demaille@gostai.com>
1208
1209 variables: use `parse.trace' instead of `debug'.
1210 * src/getargs.c (getargs): Map -t to %define trace.parse.
1211 * src/scan-gram.l (%debug): Map to %define trace.parse.
1212 * data/bison.m4 (b4_percent_define_if_define): Map `.' in variable
1213 names to `_' in macro names.
1214 (b4_debug_if): Replace with...
1215 (b4_parse_trace_if): this.
1216 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1217 * data/yacc.c: Adjust.
1218 * doc/bison.texinfo (Decl Summary): Document %debug as obsoleted.
1219 Use @code to label the variable list.
1220 Document the variable parse.trace.
1221 (Tracing): Promote the parse.trace variable.
1222 * TODO: %printer is not documented.
1223
1224 2009-04-14 Akim Demaille <demaille@gostai.com>
1225
1226 doc: minor fixes.
1227 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
1228 (Table of Symbols): Remove duplicate entry for %debug.
1229
1230 2009-04-10 Eric Blake <ebb9@byu.net>
1231
1232 submodules: update to latest
1233 * submodules/autoconf: Use latest upstream Autoconf.
1234
1235 2009-04-06 Eric Blake <ebb9@byu.net>
1236
1237 Work around autoconf 2.63b bug in testsuite.
1238 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
1239 autoconf bug related to # in test.
1240
1241 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
1242
1243 * NEWS (2.5): New section. Describe new -D/--define feature.
1244
1245 2009-04-06 Akim Demaille <demaille@gostai.com>
1246
1247 Regen.
1248 * src/parse-gram.h, src/parse-gram.c: Regen.
1249
1250 2009-04-06 Akim Demaille <demaille@gostai.com>
1251
1252 rename muscle_tab.* as muscle-tab.* for consistency.
1253 * src/muscle_tab.h, src/muscle_tab.c: Rename as...
1254 * src/muscle-tab.h, src/muscle-tab.c: these.
1255 * src/getargs.c, src/local.mk, src/main.c, src/output.c,
1256 * src/parse-gram.y, src/reader.c, src/scan-code.l: Adjust.
1257
1258 2009-04-06 Akim Demaille <demaille@gostai.com>
1259
1260 Makefile: introduce $(BISON).
1261 * src/local.mk (BISON): New.
1262 (YACC): Use it.
1263
1264 2009-04-06 Akim Demaille <demaille@gostai.com>
1265
1266 parser: handle %locations as %define locations.
1267 * src/getargs.h, src/getargs.c (locations_flag): Remove.
1268 * src/getargs.c, src/scan-code.l: Use muscle_percent_define_ensure
1269 to set "locations" to true.
1270 * src/output.c (prepare): Don't output "locations".
1271 * src/scan-gram.l (%locations): Handle it as a %<flag>.
1272 * src/parse-gram.y: It's no longer a token.
1273 Don't handle it.
1274 * data/bison.m4 (b4_locations_if): Define it with
1275 b4_percent_define_if_define.
1276 * data/c.m4, data/glr.cc: Adjust.
1277
1278 2009-04-06 Akim Demaille <demaille@gostai.com>
1279
1280 Regen.
1281 * src/parse-gram.c: Regen.
1282
1283 2009-04-06 Akim Demaille <demaille@gostai.com>
1284
1285 muscle: factor the handling of obsolete of obsolete directives.
1286 Suggested by Joel E. Denny.
1287
1288 * src/muscle_tab.h, src/muscle_tab.c (muscle_percent_define_ensure):
1289 New, extracted from...
1290 * src/parse-gram.y (prologue_declaration: pure-parser): here.
1291 Remove it.
1292 (prologue_declaration: "%<flag>"): Use
1293 muscle_percent_define_ensure.
1294 (%error-verbose, %pure-parser): No longer tokens.
1295 * src/scan-gram.l (pure-parser): Return as a %<flag>.
1296
1297 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
1298
1299 Fix options documentation.
1300 * build-aux/cross-options.pl: As in --help output, write optional
1301 arguments as [=ARG] not =[ARG].
1302 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
1303
1304 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
1305
1306 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
1307 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
1308 requirements for a correct m4 are stricter.
1309 * m4/m4.m4: Make it a symbolic link to submodules/autoconf/m4/m4.m4.
1310 * configure.ac: Update to use AC_PROG_GNU_M4.
1311 Reported by Eric Blake.
1312
1313 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1314
1315 Help with updating web manual.
1316 * HACKING: Incorporate instructions from gnulib/doc/README.
1317 * bootstrap.conf (gnulib_modules): Add gendocs.
1318
1319 2009-04-03 Akim Demaille <demaille@gostai.com>
1320
1321 Regen.
1322 * src/parse-gram.h, src/parse-gram.c: Regen.
1323
1324 2009-04-03 Akim Demaille <demaille@gostai.com>
1325
1326 Factor %FLAG at scan level.
1327 * src/parse-gram.y (PERCENT_DEBUG, PERCENT_ERROR_VERBOSE): Token
1328 definitions and associated rules, replaced by....
1329 (PERCENT_FLAG): this new token type, and rule.
1330 * src/scan-gram.l (RETURN_PERCENT_FLAG): New.
1331 Use it for %debug and %error-verbose.
1332
1333 2009-04-03 Akim Demaille <demaille@gostai.com>
1334
1335 Regen.
1336 * src/parse-gram.h, src/parse-gram.c: Regen.
1337
1338 2009-04-03 Akim Demaille <demaille@gostai.com>
1339
1340 Treat %debug as %define debug.
1341 * data/bison.m4 (b4_debug_if): New.
1342 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c,
1343 * data/lalr1.java: Use it instead of b4_debug_flag.
1344 * src/getargs.h, src/getargs.c (debug_flag): Remove.
1345 * src/output.c (prepare): Don't output it.
1346 * src/parse-gram.y: Treat %debug as %define debug.
1347
1348 2009-04-03 Akim Demaille <demaille@gostai.com>
1349
1350 Treat %error-verbose as %define error_verbose.
1351 This allows to pass -Derror_verbose on the command line. Better
1352 yet, it allows to pass -Derror_verbose=$(ERROR_VERBOSE), with
1353 ERROR_VERBOSE being defined as false or true.
1354 * data/bison.m4 (b4_percent_define_if_define): Instead of relying
1355 on b4_percent_define_ifdef, for does not check the defined value,
1356 but only whether the symbol is defined, rely on
1357 b4_percent_define_flag_if, so that a value of "false" is processed
1358 as a false.
1359 If not defined, define the flag to "false".
1360 (b4_error_verbose_if): New.
1361 * data/glr.c, data/lalr1.cc, data/yacc.c: Use it instead of
1362 b4_error_verbose_flag.
1363 * src/getargs.h, src/getargs.c (error_verbose_flag): Remove.
1364 * src/output.c (prepare): Don't output it.
1365 * src/parse-gram.y (%error-verbose): Treat as %define error_verbose.
1366
1367 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1368
1369 Fix strange %define locations for default values.
1370 Reported by Akim Demaille at
1371 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
1372 and discussed again starting at
1373 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
1374 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
1375 because location information is bogus.
1376 Use angle brackets to delimit fake file name because square brackets
1377 look like underexpanded m4. Choose a better fake file name.
1378 Use negative line numbers.
1379 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
1380 * src/location.c (location_print): If line for a boundary is negative,
1381 only print that boundary's file name.
1382 * src/location.h: Document that.
1383 * tests/skeletons.at (%define Boolean variables: invalid skeleton
1384 defaults): Update output.
1385
1386 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1387
1388 Pacify ./configure --enable-gcc-warnings.
1389 * Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS) because many files
1390 in lib won't compile with it.
1391 * src/local.mk (src_bison_CFLAGS): Use $(WERROR_CFLAGS) here only.
1392
1393 2009-03-31 Akim Demaille <demaille@gostai.com>
1394
1395 bootstrap: --help to stdout.
1396 * bootstrap (usage): Don't send --help to stderr.
1397 Use a here doc instead of a long string.
1398
1399 2009-03-31 Akim Demaille <demaille@gostai.com>
1400
1401 bootstrap: README-hacking no longer exists
1402 * bootstrap (checkout_only_file): Set to HACKING.
1403
1404 2009-03-26 Akim Demaille <demaille@gostai.com>
1405
1406 doc: merge HACKING and README-hacking.
1407 Two files is confusing.
1408 Reported by Alexandre Duret-Lutz.
1409
1410 * README-hacking: Merge into...
1411 * HACKING (Working from the repository): here.
1412
1413 2009-03-26 Akim Demaille <demaille@gostai.com>
1414
1415 doc: update README-hacking.
1416 * README-hacking: We now use git and git submodules.
1417 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
1418
1419 2009-03-26 Akim Demaille <demaille@gostai.com>
1420
1421 lalr1.cc: avoid GCC 4.3 warnings.
1422 GCC 4.3 now warns about "a || b && c" and asks for explicit
1423 parentheses.
1424 Reported by Alexandre Duret-Lutz.
1425 * data/location.cc: Update copyright years.
1426 (Position::operator==): Use parens to make precedence explicit.
1427 Compare lines and columns first, as they are more likely to be
1428 different, and they are faster to compare.
1429
1430 2009-03-26 Akim Demaille <demaille@gostai.com>
1431
1432 gnulib: update.
1433 * gnulib: Update to latest.
1434 * src/local.mk (AM_CFLAGS): Move to...
1435 * Makefile.am: here.
1436 * etc/prefix-gnulib-mk (prefix_assignment): Also transform
1437 AM_CFLAGS.
1438
1439 2009-03-02 Akim Demaille <demaille@gostai.com>
1440
1441 Comment changes.
1442
1443 2009-03-02 Akim Demaille <demaille@gostai.com>
1444
1445 Share b4_yytranslate_define.
1446 * data/lalr1.cc (b4_yytranslate_define): Move to...
1447 * data/c++.m4: here.
1448
1449 2009-03-02 Akim Demaille <demaille@gostai.com>
1450
1451 Use locations in the variant example.
1452 Yes, this obfuscates the point of this example, variants only.
1453 But glr.cc cannot work (yet?) without locations. This change
1454 makes it easier to use this example with glr.cc.
1455
1456 * examples/variant.yy (assert): %define it.
1457 (locations): Request them.
1458 (yylex): Bind the location to the stage.
1459
1460 2009-03-02 Akim Demaille <demaille@gostai.com>
1461
1462 Dub make_TOKEN as a public type interface.
1463 * data/c++.m4 (b4_symbol_constructor_declare)
1464 (b4_symbol_constructor_define): New empty stubs.
1465 (b4_public_types_declare, b4_public_types_define): Use them.
1466 * data/lalr1.cc (b4_symbol_constructor_declare)
1467 (b4_symbol_constructor_declare_)
1468 (b4_symbol_constructor_define_, b4_symbol_constructor_define):
1469 Move to...
1470 * data/variant.hh: here.
1471 Remove the "b4_variant_if" parts, as variant.hh is loaded only if
1472 needed.
1473 * data/lalr1.cc: No longer invoke b4_symbol_constructor_define and
1474 b4_symbol_constructor_declare, as it is now done by
1475 b4_public_types_define and b4_public_types_declare.
1476
1477 2009-03-02 Akim Demaille <demaille@gostai.com>
1478
1479 Coding style changes.
1480 * data/lalr1.cc (b4_symbol_constructor_declaration_)
1481 (b4_symbol_constructor_declarations)
1482 (b4_symbol_constructor_definition_)
1483 (b4_symbol_constructor_definitions)
1484 (b4_yytranslate_definition): Rename as...
1485 (b4_symbol_constructor_declare_)
1486 (b4_symbol_constructor_declare)
1487 (b4_symbol_constructor_define_)
1488 (b4_symbol_constructor_define)
1489 (b4_yytranslate_define): these.
1490 * data/variant.hh (b4_variant_definition): Rename as...
1491 (b4_variant_define): this.
1492
1493 2009-03-02 Akim Demaille <demaille@gostai.com>
1494
1495 Factor b4_assert_if, b4_lex_symbol_if, and b4_variant_if.
1496 * data/bison.m4 (b4_percent_define_if_define): New.
1497 * data/c++.m4 (b4_variant_if): Move to...
1498 * data/bison.m4: Here, using b4_percent_define_if_define.
1499 * data/lalr1.cc (b4_assert_if, b4_lex_symbol_if): Move to...
1500 * data/bison.m4: Here, using b4_percent_define_if_define.
1501
1502 2009-03-02 Akim Demaille <demaille@gostai.com>
1503
1504 Dub symbol_type_base as a public type.
1505 * data/c++.m4 (b4_public_types_declare): Now define
1506 symbol_type_base and symbol_type.
1507 (b4_public_types_define): New.
1508 In both cases, the definitions are taken verbatim from lalr1.cc.
1509 * data/lalr1.cc: Adjust.
1510
1511 2009-03-02 Akim Demaille <demaille@gostai.com>
1512
1513 b4_public_types_declare.
1514 * data/c++.m4 (b4_public_types_declare): New.
1515 * data/glr.cc, data/lalr1.cc: Use it.
1516
1517 2009-03-02 Akim Demaille <demaille@gostai.com>
1518
1519 b4_semantic_type_declare.
1520 * data/c++.m4 (b4_semantic_type_declare): New.
1521 Factors and generalizes what was in glr.cc and lalr1.cc.
1522 * data/variant.hh (b4_semantic_type_declare): Redefine it for
1523 variants.
1524 * data/lalr1.cc, data/glr.cc: Use it.
1525
1526 2009-02-26 Akim Demaille <demaille@gostai.com>
1527
1528 Upgrade gnulib.
1529 * gnulib: Upgrade from master.
1530 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore, m4/.gitignore:
1531 Regen.
1532
1533 2009-02-25 Akim Demaille <demaille@gostai.com>
1534
1535 Remove useless arguments.
1536 * data/glr.c (yy_reduce_print): $$ and @$ are not used and not
1537 relevant.
1538
1539 2009-02-25 Akim Demaille <demaille@gostai.com>
1540
1541 Comment changes.
1542 * data/lalr1.cc: here.
1543
1544 2009-02-25 Akim Demaille <demaille@gostai.com>
1545
1546 Fix glr.cc's debug level handling.
1547 * data/glr.cc (yydebug_): Remove, as it is actually yydebug from
1548 glr.c which is used.
1549 (debug_level, set_debug_level): Adjust.
1550
1551 2009-02-25 Akim Demaille <demaille@gostai.com>
1552
1553 Copyright years.
1554 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
1555
1556 2009-02-25 Akim Demaille <demaille@gostai.com>
1557
1558 Style changes.
1559 * etc/bench.pl.in (generate_grammar_list): Consitently use
1560 location_type, not yy::location.
1561
1562 2009-02-25 Akim Demaille <demaille@gostai.com>
1563
1564 Comment change.
1565 * data/lalr1.cc: here.
1566
1567 2009-02-19 Akim Demaille <demaille@gostai.com>
1568
1569 Make yyparser::error public.
1570 * data/lalr1.cc: here.
1571 There is no good reason to keep it private (and it is convenient
1572 to use it from the scanner for instance). It is already public in
1573 glr.cc.
1574
1575 2009-02-19 Akim Demaille <demaille@gostai.com>
1576
1577 Comment changes.
1578 * data/glr.cc: here.
1579
1580 2009-02-19 Akim Demaille <demaille@gostai.com>
1581
1582 Remove trailing blanks.
1583 The epilogue has its own ending \n, no need to add another.
1584
1585 * data/glr.c, data/lalr1.java, data/yacc.c: dnl when outputing the
1586 epilogue.
1587 * data/glr.cc: dnl when extending the epilogue.
1588 Remove stray "private:".
1589
1590 2009-02-19 Akim Demaille <demaille@gostai.com>
1591
1592 Use b4_c_modern.
1593 * data/c.m4 (b4_c_function_decl): Here.
1594
1595 2009-02-19 Akim Demaille <demaille@gostai.com>
1596
1597 Comment changes.
1598 * data/lalr1.cc: here.
1599
1600 2009-02-19 Akim Demaille <demaille@gostai.com>
1601
1602 Extract variant.hh
1603 * data/variant.hh: New, extracted from...
1604 * data/lalr1.cc: here.
1605 Adjust.
1606 * data/local.mk: Adjust.
1607
1608 2009-02-19 Akim Demaille <demaille@gostai.com>
1609
1610 Extract stack.hh from lalr1.cc.
1611 * data/stack.hh: New.
1612 * data/lalr1.cc: Extract from here.
1613 * data/local.mk: Adjust.
1614
1615 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
1616
1617 Add reminder about uploading public key to keys.gnupg.net.
1618 * HACKING (Release Procedure): Here.
1619
1620 2009-01-28 Akim Demaille <demaille@gostai.com>
1621
1622 * NEWS: Update information about 2.4.1 and 2.4.2.
1623
1624 2008-11-04 Akim Demaille <demaille@gostai.com>
1625
1626 Reformat NEWS.
1627 * NEWS: Use more outline-mode markup.
1628 Suggested by Jim Meyering.
1629
1630 2009-01-08 Akim Demaille <demaille@gostai.com>
1631
1632 Fix grep portability issues.
1633 Grep on Solaris does not support -q.
1634 Reported by Summum Bonum.
1635
1636 * NEWS: Add a stub for 2.4.2.
1637 * THANKS: Add Summum Bonum.
1638 * tests/atlocal.in (EGREP): New.
1639 (CC, CXX, XSLTPROC): Make it possible to override them via
1640 envvars.
1641 * tests/java.at: Use $EGREP instead of egrep.
1642 Use AT_CHECK's ignore instead of grep's -q.
1643
1644 2008-12-11 Akim Demaille <demaille@gostai.com>
1645
1646 Pass the token type to yysyntax_error.
1647 * data/yacc.c (yysyntax_error): Take the transated token instead
1648 of the raw number.
1649 Adjust callers.
1650 * TODO: Update.
1651
1652 2008-12-11 Akim Demaille <demaille@gostai.com>
1653
1654 Formatting changes.
1655 * data/glr.c: Formatting changes.
1656
1657 2008-12-11 Akim Demaille <demaille@gostai.com>
1658
1659 Propagate i18n changes into glr.c.
1660 * TODO: Update.
1661 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
1662 building the error message format dynamically.
1663 * data/lalr1.java: Formatting changes.
1664
1665 2008-12-11 Akim Demaille <demaille@gostai.com>
1666
1667 Use testsuite -C.
1668 * tests/local.mk: Replace "cd && testsuite" by "testsuite -C".
1669 Solves problems when top_srcdir is an absolute path.
1670 Suggested by Eric Blake.
1671 * configure.ac: Require Autoconf 2.62.
1672
1673 2008-12-11 Akim Demaille <demaille@gostai.com>
1674
1675 Simplify the i18n of the error messages.
1676 * data/lalr1.cc: Comment changes.
1677 * data/yacc.c (yysyntax_error): Rewrite, using a switch as in
1678 lalr1.cc instead of building dynamically the format string.
1679
1680 2008-12-08 Akim Demaille <demaille@gostai.com>
1681
1682 Fix portability issue in the test suite.
1683 * tests/local.at (AT_MATCHES_CHECK): New.
1684 Based on Perl instead of Sed. Sed has too many portability
1685 pitfalls, not ever Sed is GNU Sed.
1686 * tests/actions.at (Fix user actions without a trailing semicolon):
1687 Use it.
1688
1689 2008-12-08 Akim Demaille <demaille@gostai.com>
1690
1691 Update data/README.
1692 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
1693
1694 2008-12-08 Akim Demaille <demaille@gostai.com>
1695
1696 Install autoconf as a submodule to get m4sugar.
1697 * .gitmodules: Add submodules/autoconf.
1698 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
1699 submodules/autoconf.
1700
1701 2008-12-08 Akim Demaille <demaille@gostai.com>
1702
1703 Test token.prefix in all the skeletons.
1704 * data/java.m4 (b4_token_enum): Use the token.prefix.
1705 * tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN_PREFIX.
1706 * tests/calc.at (_AT_DATA_CALC_Y): Use it.
1707 Add checks for yacc.c, glr.c, lalr1.cc and glr.cc.
1708 * tests/java.at: Comment changes.
1709 (AT_CHECK_JAVA_MINIMAL): Define the END token.
1710 (Java parser class and package names): Add token.prefix check.
1711
1712 2008-12-08 Akim Demaille <demaille@gostai.com>
1713
1714 Fix regeneration of atconfig.
1715 * tests/local.mk (tests/atconfig): The rule was incorrect, but
1716 remove it: now that there is no tests/Makefile.am, the top-level
1717 Makefile properly updates atconfig when needed.
1718
1719 2008-12-07 Di-an Jan <dianj@freeshell.org>
1720
1721 Implement the FIXME that ends an user action with a semicolon
1722 if it seems necessary.
1723 * src/scan-code.l (flex rules section): Flag cpp directive from
1724 any `#' to the first unescaped end-of-line. Semicolon is not
1725 needed after `;', `{', '}', or cpp directives and is needed after
1726 any other token (whitespaces and comments have no effect).
1727 * tests/actions.at (Fix user actions without a trailing semicolon):
1728 New test.
1729 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
1730 to make user actions complete statements.
1731 Adjust column numbers in error messages.
1732 * tests/regression.at (Fix user actions without a trailing semicolon):
1733 Remove. Covered by new test.
1734
1735 2008-12-07 Akim Demaille <demaille@gostai.com>
1736
1737 Update gnulib.
1738 * gnulib: Update from master.
1739
1740 2008-12-05 Eric Blake <ebb9@byu.net>
1741
1742 Avoid compiler warning.
1743 * src/output.c (muscle_insert_item_number_table): Delete unused
1744 function.
1745
1746 2008-12-02 Eric Blake <ebb9@byu.net>
1747
1748 Build testsuite with newer autoconf.
1749 * tests/output.at (m4_expand): Don't override in newer autoconf,
1750 where the underlying implementation changed.
1751 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
1752 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
1753 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
1754 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
1755 since some of them contain unbalanced ')'.
1756
1757 2008-12-01 Akim Demaille <demaille@gostai.com>
1758
1759 Use b4_symbol for printers and destructors everywhere.
1760 * data/bison.m4 (b4_symbol_action_location): New.
1761 * data/c.m4 (b4_symbol_actions): Remove.
1762 Adjust all callers to use by b4_symbol_foreach and the corresponding
1763 b4_symbol_printer/destructor macro.
1764 * data/glr.cc: Adjust.
1765 * data/lalr1.java: Adjust the %destructor sanity check.
1766 * src/output.c (symbol_code_props_output): Remove, we no longer
1767 need the b4_symbol_printers/destructors tables.
1768
1769 2008-12-01 Akim Demaille <demaille@gostai.com>
1770
1771 Use b4_symbol_case_.
1772 * data/lalr1.cc, data/bison.m4 (b4_symbol_action): Use
1773 b4_symbol_case_.
1774
1775 2008-12-01 Akim Demaille <demaille@gostai.com>
1776
1777 Move b4_symbol based macro to bison.m4.
1778 * data/lalr1.cc (b4_symbol_, b4_symbol, b4_symbol_if)
1779 (b4_symbol_action, b4_symbol_destructor, b4_symbol_printer)
1780 (b4_symbol_case_, b4_symbol_foreach, b4_type_action_)
1781 (b4_type_foreach): Move to...
1782 * data/bison.m4: Here.
1783 * data/lalr1.cc (b4_symbol_action): Specialize for C++: use
1784 b4_symbol_value_template instead of b4_symbol_value.
1785
1786 2008-12-01 Akim Demaille <demaille@gostai.com>
1787
1788 b4_symbol/type_foreach.
1789 * data/lalr1.cc (b4_symbol_foreach, b4_type_foreach): New.
1790 Use them.
1791
1792 2008-12-01 Akim Demaille <demaille@gostai.com>
1793
1794 Use the symbol properties to output the printer/destructor for lalr1.cc.
1795 Instead of defining complex list of tuples to define various
1796 properties of the symbols, we now prefer to define symbols as
1797 "structs" in m4: using the symbol key (its number), and the
1798 property name, b4_symbol gives it value. Use this to handle
1799 destructors and printers.
1800
1801 * src/output.c (CODE_PROP): New.
1802 (prepare_symbol_definitions): Use it to define the printer and
1803 destructor related attributes of the symbols.
1804 * data/lalr1.cc (b4_symbol_actions): Rename as...
1805 (b4_symbol_action): this.
1806 Use b4_symbol instead of 6 arguments.
1807 (b4_symbol_printer, b4_symbol_destructor): New.
1808 Use them instead of b4_symbol_actions.
1809
1810 2008-12-01 Akim Demaille <demaille@gostai.com>
1811
1812 Avoid capturing variables too easily.
1813 * src/muscle_tab.h (MUSCLE_INSERT_BOOL, MUSCLE_OBSTACK_SGROW): Use
1814 v__ and p__ instead of v and p.
1815
1816 2008-12-01 Akim Demaille <demaille@gostai.com>
1817
1818 Remove spurious empty line before syncline.
1819 * data/bison.m4 (b4_syncline): Don't output an empty line before
1820 the output.
1821
1822 2008-11-26 Akim Demaille <demaille@gostai.com>
1823
1824 Convert lib/Makefile.am into lib/local.mk.
1825 The real problem is rather gnulib.mk, which itself is extracted
1826 from a Makefile.am that gnulib expects to the "recursive". The
1827 tool prefix-gnulib-mk converts such a gnulib.mk to be
1828 non-recursive. Also, some AC_SUBST variables need to be adjusted.
1829
1830 * etc/prefix-gnulib-mk: New.
1831 * bootstrap (slurp): Use it to convert further gnulib.mk.
1832 No longer try to avoid re-creation of lib/gnulib.mk as the changes
1833 are deeper.
1834 * lib/Makefile.am: Rename as...
1835 * lib/local.mk: this.
1836 Adjust to be prefixed.
1837 * Makefile.am, configure.ac: Adjust.
1838 * src/local.mk (AM_CPPFLAGS): Extend it, don't define it.
1839
1840 2008-11-26 Akim Demaille <demaille@gostai.com>
1841
1842 s/_FLAGS/FLAGS/.
1843 * tests/local.mk (TESTSUITE_FLAGS, AUTOTEST_FLAGS): Rename as...
1844 (TESTSUITEFLAGS, AUTOTESTFLAGS): these to compy with the GCS.
1845 Reported by Eric Blake.
1846
1847 2008-11-26 Akim Demaille <demaille@gostai.com>
1848
1849 Use b4_parser_tables_define in glr.cc.
1850 * data/glr.c: Use b4_parser_tables_define instead of defining the
1851 (deterministic integral) tables by hand.
1852
1853 2008-11-26 Akim Demaille <demaille@gostai.com>
1854
1855 Use b4_parser_tables_define in Java.
1856 * data/java.m4 (b4_typed_parser_table): Rename as...
1857 (b4_typed_parser_table_define): this, for consistency.
1858 Accept a comment as $4.
1859 Move $2 into yy*_.
1860 (b4_integral_parser_table): Rename as...
1861 (b4_integral_parser_table_define): this.
1862 * data/lalr1.java: Adjust all uses.
1863 Use b4_parser_tables_define instead of generation by hand.
1864
1865 2008-11-26 Akim Demaille <demaille@gostai.com>
1866
1867 Prepare the convergence bw C style and Java table generation.
1868 * data/bison.m4 (b4_tables_map, b4_tables_declare)
1869 (b4_tables_define): Rename as...
1870 (b4_integral_parser_tables_map, b4_parser_tables_declare)
1871 (b4_parser_tables_define): these.
1872 * data/c.m4 (b4_table_define): Rename as...
1873 (b4_integral_parser_table_define): this.
1874 * data/lalr1.cc: Adjust.
1875 (b4_table_define, b4_table_declare): Rename as...
1876 (b4_integral_parser_table_define)
1877 (b4_integral_parser_table_declare): these.
1878 (yyrline_): Move the comment where it is actually used.
1879 * data/yacc.c: Adjust.
1880 (yyrline): Use b4_integral_parser_table_define.
1881
1882 2008-11-26 Akim Demaille <demaille@gostai.com>
1883
1884 Regen.
1885 * src/parse-gram.h, src/parse-gram.c: Regen.
1886
1887 2008-11-26 Akim Demaille <demaille@gostai.com>
1888
1889 Factor the generation of the (integral) tables bw yacc.c and lalr1.cc.
1890 * data/lalr1.cc (b4_tables_map): Move to...
1891 * data/bison.m4: here.
1892 Update the comment for yytable during the flight.
1893 (b4_tables_declare, b4_tables_define): New.
1894 * data/lalr1.cc: Use them.
1895 * data/c.m4 (b4_table_define): New.
1896 * data/yacc.c: Use b4_tables_define instead of output the tables
1897 by hand.
1898 * tests/regression.at (Web2c Actions): Adjust the expected output,
1899 the order of the tables changed.
1900
1901 2008-11-26 Akim Demaille <demaille@gostai.com>
1902
1903 Get rid of (yy)rhs and (yy)prhs.
1904 These tables are no longer needed in the parsers, and they don't seem to
1905 be useful. They are not documented either.
1906
1907 * src/output.c (prepare_rules): Get rid of rhs and prhs.
1908 Adjust the computation of (yy)r2.
1909
1910 2008-11-26 Akim Demaille <demaille@gostai.com>
1911
1912 Rule length is unsigned.
1913 * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
1914
1915 2008-11-26 Akim Demaille <demaille@gostai.com>
1916
1917 Get rid of lalr1-split.cc.
1918 It was no longer maintainer.
1919
1920 * data/lalr1-split.cc: Remove.
1921 * etc/bench.pl.in (bench_fusion_parser): Remove.
1922 Adjust.
1923
1924 2008-11-26 Akim Demaille <demaille@gostai.com>
1925
1926 Use yy* consistently.
1927 * data/glr.c: Now that yyrhs no longer exists as a global
1928 variable, rename local "rhs" variables into "yyrhs" for
1929 consistency.
1930
1931 2008-11-25 Akim Demaille <demaille@gostai.com>
1932
1933 Get rid of yyrhs and yyprhs in glr.c.
1934 * data/glr.c (yyrhs, yyprhs): Remove.
1935 Instead, use the state stack and yystos.
1936
1937 2008-11-25 Akim Demaille <demaille@gostai.com>
1938
1939 Flag glr tests.
1940 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): If glr, declare it
1941 as an Autotest keyword.
1942
1943 2008-11-25 Akim Demaille <demaille@gostai.com>
1944
1945 Prefer TESTSUITE_FLAGS.
1946 TESTSUITEFLAGS is barely readable.
1947
1948 * tests/local.mk (TESTSUITE_FLAGS): Default to $(TESTSUITEFLAGS)
1949 for backward compatibility.
1950 Use the former instead of the latter.
1951
1952 2008-11-25 Akim Demaille <demaille@gostai.com>
1953
1954 Get rid of yyrhs and yyprhs in larl1.java.
1955 * data/lalr1.java (yyrhs_, yyprhs_): Remove.
1956 (yy_reduce_print): Rather, use yystos_ and the state stack.
1957
1958 2008-11-25 Akim Demaille <demaille@gostai.com>
1959
1960 Formatting changes.
1961
1962 2008-11-25 Akim Demaille <demaille@gostai.com>
1963
1964 Get rid of yyrhs and yyprhs in yacc.c.
1965 They were used to get the symbol types, given a rule number, when
1966 displaying the top of the stack before a reduction. But the
1967 symbol type is available from the state stack. This has two be
1968 benefits: two tables less in the parser (making it smaller), and a
1969 more consistent use of the three stacks which will help to fuse
1970 them.
1971
1972 * data/yacc.c (yyprhs, yyrhs): Remove.
1973 (YY_REDUCE_PRINT): Pass yyssp to yy_reduce_print.
1974 (yy_reduce_print): Take yyssp as argument.
1975 Use it, together with yystos, to get the symbol type.
1976 * tests/regression.at (Web2c Report): Remove these tables from the
1977 expected output.
1978
1979 2008-11-25 Akim Demaille <demaille@gostai.com>
1980
1981 b4_tables_map.
1982 The point is to factor the generation of the tables across skeletons.
1983 This is language dependant.
1984
1985 * data/c.m4 (b4_comment_): New.
1986 Should be usable to define how to generate tables independently of
1987 the language.
1988 (b4_c_comment): New.
1989 (b4_comment): Bounce to b4_c_comment.
1990 Now support $2 = [PREFIX] for indentation.
1991 * data/lalr1.cc (b4_table_declare): Don't output a comment if
1992 there is no comment.
1993 Indent it properly when there is one.
1994 Output the ending semicolon.
1995 (b4_table_define): Space changes.
1996 Output the ending semicolon.
1997 (b4_tables_map): New.
1998 Use it twice instead of declaring and defining the (integral)
1999 tables by hand.
2000
2001 2008-11-25 Akim Demaille <demaille@gostai.com>
2002
2003 b4_table_declare.
2004 * data/lalr1.cc (b4_table_declare): New.
2005 Use it to declare the tables defined with b4_table_define.
2006 (b4_table_define): Declare a third arg to match b4_table_declare
2007 signature.
2008 Move all the comments around invocations of b4_table_define into
2009 the invocations itselves.
2010 Move things around to have the order for declarations and
2011 definitions.
2012
2013 2008-11-25 Akim Demaille <demaille@gostai.com>
2014
2015 Formatting changes.
2016 * data/lalr1.java: here.
2017
2018 2008-11-25 Akim Demaille <demaille@gostai.com>
2019
2020 b4_args is more general than only C++.
2021 * data/lalr1.cc (b4_args, _b4_args): Move to...
2022 * data/bison.m4: here.
2023
2024 2008-11-21 Di-an Jan <dianj@freeshell.org>
2025
2026 Implement no-XXX arguments for --warnings, --report, --trace.
2027 * src/getargs.c (flags_argmatch): Handles no-XXX.
2028 Fix typo in doxygen comment.
2029
2030 2008-11-21 Akim Demaille <demaille@gostai.com>
2031
2032 Display the changes in cross-options.texi.
2033 * build-aux/cross-options.pl ($sep): New, to separate items.
2034 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
2035 changes.
2036
2037 2008-11-20 Di-an Jan <dianj@freeshell.org>
2038
2039 Improves options in the manual.
2040 * doc/bison.texinfo (-g, -x): Add space before argument.
2041 (Option Cross Key): Implement FIXME: listing directives also.
2042 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
2043 (Short Option): Special case -d. Put arguments inside @option.
2044 (Bison Directive): Add column, automatically extracted from
2045 src/scan-gram.l (actual name passed as the first argument)
2046 with special case for %define.
2047 * doc/local.mk (doc/cross-options.texi): Pass src/scan-gram.l
2048 to build-aux/cross-options.pl.
2049 * src/getargs.c (usage): Document limitations of cross-options.pl.
2050 * src/scan-gram.l: Likewise.
2051
2052 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2053
2054 Fix unexpanded macros in GLR defines file.
2055 Reported by Csaba Raduly at
2056 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
2057 * THANKS (Csaba Raduly): Add.
2058 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
2059 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
2060 lexer in a separate module that includes the defines file.
2061 (AT_CHECK_CALC): From AT_FULL_COMPILE, request compilation of lexer
2062 source.
2063 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
2064 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
2065 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
2066 (AT_DATA_SOURCE_PROLOGUE): New.
2067 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
2068 (AT_DATA_SOURCE): New.
2069 (AT_FULL_COMPILE): Extend to support an additional source file.
2070
2071 2008-11-18 Akim Demaille <demaille@gostai.com>
2072
2073 More TODO.
2074 * TODO: More short term issues.
2075
2076 2008-11-18 Akim Demaille <demaille@gostai.com>
2077
2078 Regen.
2079 * src/parse-gram.h, src/parse-gram.c: Regen.
2080
2081 2008-11-18 Akim Demaille <demaille@gostai.com>
2082
2083 Use b4_subtract where possible.
2084 * data/lalr1.cc (b4_subtract): Move to...
2085 * data/bison.m4: here.
2086 * data/glr.c (b4_rhs_data): Use it.
2087 * data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
2088
2089 2008-11-18 Akim Demaille <demaille@gostai.com>
2090
2091 Remove incorrect mode specification.
2092 * data/glr.cc: Don't pretend it's C code.
2093
2094 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2095
2096 Simplify last patch slightly.
2097 * src/getargs.c (getargs): Here.
2098
2099 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2100
2101 Fix last warning from --enable-gcc-warnings.
2102 * src/getargs.c (getargs): Don't assign const address to non-const
2103 pointer.
2104
2105 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2106
2107 Don't let maintainer-*-check targets force a version update.
2108 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
2109 handled.
2110
2111 2008-11-17 Di-an Jan <dianj@freeshell.org>
2112
2113 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
2114 Align menus. Adjust word wrapping. Use node names for menu names.
2115 (Examples): Don't abbreviate node names.
2116 (LocalWords): Remove abbreviations.
2117 (Copying): Make description a sentence.
2118 (Java Action Features): Remove period to match the rest of menu.
2119
2120 2008-11-17 Di-an Jan <dianj@freeshell.org>
2121
2122 Handles several --enable-gcc-warnings.
2123 * src/getargs.c (command_line_location): Set parameters to void.
2124 * src/output.c (symbol_type_name_cmp): Make static.
2125 (symbols_by_type_name): Set parameters to void.
2126 (symbol_definitions_output): Remove unused parameter. Rename as...
2127 (prepare_symbol_definitions): this.
2128 (muscles_output): Move symbol_definitions_output to...
2129 (output): here as prepare_symbol_definitions.
2130 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
2131 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
2132
2133 2008-11-17 Di-an Jan <dianj@freeshell.org>
2134
2135 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
2136 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
2137
2138 2008-11-16 Akim Demaille <demaille@gostai.com>
2139
2140 Add missing $(EXEEXT).
2141 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
2142 "src/bison$(EXEEXT)".
2143 Reported by Di-an Jan.
2144
2145 2008-11-15 Akim Demaille <demaille@gostai.com>
2146
2147 * TODO: Update.
2148
2149 2008-11-15 Akim Demaille <demaille@gostai.com>
2150
2151 Formatting changes.
2152 * tests/input.at: here.
2153
2154 2008-11-15 Akim Demaille <demaille@gostai.com>
2155
2156 Remove duplicate header inclusion.
2157 * src/LR0.c: here.
2158
2159 2008-11-15 Akim Demaille <demaille@gostai.com>
2160
2161 * src/parse-gram.h, src/parse-gram.c: Regen.
2162
2163 2008-11-15 Akim Demaille <demaille@gostai.com>
2164
2165 Support parametric types.
2166
2167 There are two issues to handle: first scanning nested angle
2168 bracket pairs to support types such as std::pair< std::string,
2169 std::list<std::string> > >.
2170
2171 Another issue is to address idiosyncracies of C++: do not glue two
2172 closing angle brackets together (otherwise it's operator>>), and
2173 avoid sticking blindly a TYPE to the opening <, as it can result
2174 in '<:' which is a digraph for '['.
2175
2176 * src/scan-gram.l (brace_level): Rename as...
2177 (nesting): this.
2178 (SC_TAG): New.
2179 Implement support for complex tags.
2180 (tag): Accept
2181 , but not <.
2182 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
2183 (b4_symbol_variant): Leave space around types as parameters.
2184 * examples/variant.yy: Use nested template types and leading ::.
2185 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
2186 Rename as...
2187 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
2188 * tests/c++.at: Test parametric types.
2189
2190 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
2191
2192 Test token.prefix.
2193 This is not sufficient, but we test at least that the make_SYMBOL
2194 interface is not affected by token.prefix. A more general test
2195 will be implemented when the support of token.prefix is generalized
2196 to more skeletons.
2197
2198 * tests/c++.at: One more variant test, using token.prefix.
2199
2200 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
2201
2202 Test the make_TOKEN interface.
2203 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
2204 Factor the common code in yylex.
2205 Use it to test "%define lex_symbol".
2206
2207 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
2208
2209 Formatting change.
2210
2211 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
2212
2213 Simplify code for variants bench marks.
2214 * etc/bench.pl.in (&generate_grammar_list): Define and use
2215 location_type.
2216 Factor the common code in yylex.
2217
2218 2008-11-15 Akim Demaille <demaille@gostai.com>
2219
2220 Better error message.
2221 * bootstrap (find_tool): Fix the error message.
2222
2223 2008-11-15 Akim Demaille <demaille@gostai.com>
2224
2225 Update variant.yy to newest interface.
2226 * examples/variant.yy: Define lex_symbol.
2227 Adjust.
2228
2229 2008-11-15 Akim Demaille <demaille@gostai.com>
2230
2231 Don't use locations in variant.yy.
2232 * examples/variant.yy: Adjust to not using locations.
2233
2234 2008-11-15 Akim Demaille <demaille@gostai.com>
2235
2236 Comment changes.
2237 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
2238 comments for the license.
2239
2240 2008-11-15 Akim Demaille <demaille@gostai.com>
2241
2242 Remove tests/Makefile.am.
2243 * tests/Makefile.am: Rename as...
2244 * tests/local.mk: this.
2245 * Makefile.am, configure.ac: Adjust.
2246 * Makefile.am (DISTCLEANFILES): Define.
2247 (maintainer-check, maintainer-xml-check, maintainer-push-check):
2248 Remove, we no longer need to bounce to the real targets.
2249
2250 2008-11-15 Akim Demaille <demaille@gostai.com>
2251
2252 Comment changes.
2253
2254 2008-11-15 Akim Demaille <demaille@gostai.com>
2255
2256 djgpp/local.mk.
2257 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
2258 * djgpp/local.mk: this new file.
2259
2260 2008-11-15 Akim Demaille <demaille@gostai.com>
2261
2262 Remove doc/Makefile.am.
2263 * doc/Makefile.am: Rename as...
2264 * doc/local.mk: this.
2265 Adjust paths
2266 * Makefile.am, configure.ac: Adjust.
2267 * Makefile.am (MOSTLYCLEANFILES): New.
2268 * src/local.mk: Adjust.
2269
2270 2008-11-15 Akim Demaille <demaille@gostai.com>
2271
2272 Move sc_tight_scope into maint.mk.
2273 It does not work, and I don't know how it was supposed to work: it
2274 seems to be looking for sources in the build tree. I just moved
2275 it at a better place, fixing it is still required.
2276
2277 * src/local.mk (echo): Remove.
2278 (sc_tight_scope): Move to...
2279 * maint.mk: here.
2280
2281 2008-11-15 Akim Demaille <demaille@gostai.com>
2282
2283 Regen.
2284 * src/parse-gram.h, src/parse-gram.h: Regen.
2285
2286 2008-11-15 Akim Demaille <demaille@gostai.com>
2287
2288 Remove src/Makefile.am.
2289 * src/Makefile.am: Rename as...
2290 * src/local.mk: this.
2291 Prefix all the paths with src/.
2292 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
2293 (AM_CPPFLAGS): Find find in builddir/src.
2294 (YACC): Move the flags into...
2295 (AM_YFLAGS): here.
2296 * maint.mk (sc_tight_scope): Disable.
2297 It used to bounce to the version in src/Makefile.am which is now
2298 part of this very Makefile.
2299 * Makefile.am, configure.ac: Adjust.
2300 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
2301 include "..." to find files "here": we are no longer in src/, so
2302 qualify the includes with src/.
2303 * doc/Makefile.am (PREPATH): No longer include the top_builddir
2304 prefix.
2305 (.x.1): Adjust to be able to create src/foo from the top level
2306 Makefile, instead of going bounce to src/Makefile the creation of
2307 foo.
2308
2309 2008-11-15 Akim Demaille <demaille@gostai.com>
2310
2311 Remove useless variable.
2312 * doc/Makefile.am (srcsrcdir): Remove.
2313
2314 2008-11-15 Akim Demaille <demaille@gostai.com>
2315
2316 Remove data/Makefile.am.
2317 * data/Makefile.am: Rename as...
2318 * data/local.mk: this.
2319 Adjust paths.
2320 * Makefile.am, configure.ac: Adjust.
2321
2322 2008-11-15 Akim Demaille <demaille@gostai.com>
2323
2324 Remove etc/Makefile.am.
2325 * etc/Makefile.am: Rename as...
2326 * etc/local.mk: this.
2327 Adjust.
2328 * Makefile.am, configure.ac: Adjust.
2329
2330 2008-11-15 Akim Demaille <demaille@gostai.com>
2331
2332 Remove examples/local.mk.
2333 examples/calc++/Makefile.am might be interesting to keep as is, since
2334 it is an example in itself.
2335
2336 * examples/Makefile.am: Rename as...
2337 * examples/local.mk: this.
2338 Adjust.
2339 * Makefile.am, configure.ac: Adjust.
2340
2341 2008-11-15 Akim Demaille <demaille@gostai.com>
2342
2343 Remove build-aux/Makefile.am.
2344 Recursive Makefiles are really way too slow, let's get rid of some of
2345 them.
2346
2347 * build-aux/Makefile.am: Rename as...
2348 * build-aux/local.mk: this.
2349 Adjust paths.
2350 * Makefile.am, configure.ac: Adjust.
2351
2352 2008-11-15 Akim Demaille <demaille@gostai.com>
2353
2354 Provide convenience constructors for locations and positions.
2355 * data/location.cc (position::position): Accept file, line and
2356 column as arguments with default values.
2357 Always qualify initial line and column literals as unsigned.
2358 (location::location): Provide convenience constructors.
2359
2360 2008-11-15 Akim Demaille <demaille@gostai.com>
2361
2362 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
2363 token type.
2364 Using template buys us nothing, and makes it uselessly complex to
2365 construct a symbol. Besides, it could not be generalized to other
2366 languages, while make_FOO would work in C/Java etc.
2367
2368 * data/lalr1.cc (b4_symbol_): New.
2369 (b4_symbol): Use it.
2370 (b4_symbol_constructor_declaration_)
2371 (b4_symbol_constructor_definition_): Instead of generating
2372 specializations of an overloaded template function, just generate
2373 several functions whose names are forged from the token names
2374 without the token.prefix.
2375 (b4_symbol_constructor_declarations): Generate them for all the
2376 symbols, not just by class of symbol type, now that instead of
2377 specializing a function template by the token, we generate a
2378 function named after the token.
2379 (b4_symbol_constructor_specialization_)
2380 (b4_symbol_constructor_specializations): Remove.
2381 * etc/bench.pl.in: Adjust to this new API.
2382
2383 2008-11-13 Akim Demaille <demaille@gostai.com>
2384
2385 %define token.prefix.
2386 Provide a means to add a prefix to the name of the tokens as
2387 output in the generated files. Because of name clashes, it is
2388 good to have such a prefix such as TOK_ that protects from names
2389 such as EOF, FILE etc. But it clutters the grammar itself.
2390
2391 * data/bison.m4 (token.prefix): Empty by default.
2392 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
2393 * data/lalr1.cc (b4_symbol): Ditto.
2394
2395 2008-11-13 Akim Demaille <demaille@gostai.com>
2396
2397 Compute at M4 time some of the subtractions.
2398 * data/lalr1.cc (b4_subtract): New.
2399 (b4_rhs_data): Use it.
2400
2401 2008-11-13 Akim Demaille <demaille@gostai.com>
2402
2403 symbol::token.
2404 This allows the user to get the type of a token returned by yylex.
2405
2406 * data/lalr1.cc (symbol::token): New.
2407 (yytoknum_): Define when %define lex_symbol, independently of
2408 %debug.
2409 (yytoken_number_): Move into...
2410 (symbol::token): here, since that's the only use.
2411 The other one is YYPRINT which was not officially supported
2412 by lalr1.cc, and anyway it did not work since YYPRINT uses this
2413 array under a different name (yytoknum).
2414
2415 2008-11-13 Akim Demaille <demaille@gostai.com>
2416
2417 YYERRCODE.
2418 * TODO (YYERRCODE): Mention the case of $undef.
2419
2420 2008-11-13 Akim Demaille <demaille@gostai.com>
2421
2422 TODO: YYPRINT.
2423 * TODO (YYPRINT): New.
2424
2425 2008-11-13 Akim Demaille <demaille@gostai.com>
2426
2427 Comment changes.
2428 * data/lalr1.cc, data/yacc.c: Fix the description of the
2429 yytranslate and yytoknum tables.
2430
2431 2008-11-13 Akim Demaille <demaille@gostai.com>
2432
2433 Define make_symbol in the header.
2434 To reach good performances these functions should be inlined (yet
2435 this is to measure precisely). To this end they must be available
2436 to the caller.
2437
2438 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
2439 location_type with the class name.
2440 Since will now be output in the header, declare "inline".
2441 No longer use b4_symbol_constructor_specializations, but
2442 b4_symbol_constructor_definitions in the header.
2443 Don't call it in the *.cc file.
2444
2445 2008-11-13 Akim Demaille <demaille@gostai.com>
2446
2447 Define yytranslate in the header for lex_symbol.
2448 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
2449 into the header file when using %define lex_symbol.
2450 (yytranslate_): Declare inline.
2451
2452 2008-11-13 Akim Demaille <demaille@gostai.com>
2453
2454 Define the constructors of symbol_type in
2455 b4_symbol_constructor_definitions.
2456 The constructors are called by the make_symbol functions, which a
2457 forthcoming patch will move elsewhere. Hence the interest of
2458 putting them together.
2459
2460 The stack_symbol_type does not need to be moved, it is used only
2461 by the parser.
2462
2463 * data/lalr1.cc: Move symbol_type and symbol_base_type
2464 constructors into...
2465 (b4_symbol_constructor_definitions): here.
2466 Adjust.
2467
2468 2008-11-13 Akim Demaille <demaille@gostai.com>
2469
2470 Make it easier to move the definition of yytranslate_.
2471 Forthcoming changes will make it possible to use yytranslate_
2472 from outside the parser implementation file.
2473
2474 * data/lalr1.cc (b4_yytranslate_definition): New.
2475 Use it.
2476
2477 2008-11-13 Akim Demaille <demaille@gostai.com>
2478
2479 Remove useless class specification.
2480 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
2481 to refer to the class name to use a type defined by the class for
2482 arguments of member functions.
2483
2484 2008-11-13 Akim Demaille <demaille@gostai.com>
2485
2486 Finer input type for yytranslate.
2487 This patch is debatable: the tradition expects yylex to return an int
2488 which happens to correspond to token_number (which is an enum). This
2489 allows for instance to return characters (such as '*' etc.). But this
2490 goes against the stronger typing I am trying to have with the new
2491 lex interface which return a symbol_type. So in this case, feed
2492 yytranslate_ with a token_type.
2493
2494 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
2495 expect a token_type.
2496
2497 2008-11-13 Akim Demaille <demaille@gostai.com>
2498
2499 Honor lex-params in %define lex_symbol mode.
2500 * data/lalr1.cc: Use b4_lex_param.
2501
2502 2008-11-13 Akim Demaille <demaille@gostai.com>
2503
2504 Simplify names.
2505 * src/output.c (symbol_definitions_output): Rename symbol
2506 attributes type_name and has_type_name as type and has_type.
2507 * data/lalr1.cc: Adjust uses.
2508
2509 2008-11-13 Akim Demaille <demaille@gostai.com>
2510
2511 Use b4_type_names for the union type.
2512 The union used to compute the size of the variant used to iterate
2513 over the type of all the symbols, with a lot of redundancy. Now
2514 iterate over the lists of symbols having the same type-name.
2515
2516 * data/lalr1.cc (b4_char_sizeof_): New.
2517 (b4_char_sizeof): Use it.
2518 Adjust to be called with a list of numbers instead of a single
2519 number.
2520 Adjust its caller for new-line issues.
2521
2522 2008-11-13 Akim Demaille <demaille@gostai.com>
2523
2524 Define the "identifier" of a symbol.
2525 Symbols may have several string representations, for instance if
2526 they have an alias. What I call its "id" is a string that can be
2527 used as an identifier. May not exist.
2528
2529 Currently the symbols which have the "tag_is_id" flag set are
2530 those that don't have an alias. Look harder for the id.
2531
2532 * src/output.c (is_identifier): Move to...
2533 * src/symtab.c (is_identifier): here.
2534 * src/symtab.h, src/symtab.c (symbol_id_get): New.
2535 * src/output.c (symbol_definitions_output): Use it to define "id"
2536 and "has_id".
2537 Remove the definition of "tag_is_id".
2538 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
2539 "tag_is_id" were used to produce code.
2540 We still use "tag" for documentation.
2541
2542 2008-11-11 Akim Demaille <demaille@gostai.com>
2543
2544 Locations are no longer required by lalr1.cc.
2545 * data/lalr1.cc (_b4_args, b4_args): New.
2546 Adjust all uses of locations to make them optional.
2547 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
2548 (AT_CHECK_NAMESPACE): Check the use of locations.
2549 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
2550 without locations with lalr1.cc.
2551 Test these cases.
2552 * tests/output.at: Check lalr1.cc with and without location
2553 support.
2554 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
2555 Don't use locations.
2556
2557 2008-11-11 Akim Demaille <demaille@gostai.com>
2558
2559 AT_FULL_COMPILE.
2560 * tests/local.at (AT_FULL_COMPILE): New.
2561 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
2562
2563 2008-11-11 Akim Demaille <demaille@gostai.com>
2564
2565 Support parens in calc++.
2566 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
2567 * examples/calc++/test (run): Check the expected output.
2568 Adjust callers.
2569 Check parens too.
2570
2571 2008-11-11 Akim Demaille <demaille@gostai.com>
2572
2573 Simplify lalr1.cc since %defines is mandatory.
2574 * data/lalr1.cc: Remove useless calls to b4_defines_if.
2575
2576 2008-11-11 Akim Demaille <demaille@gostai.com>
2577
2578 TODO: yyfmt.
2579 * TODO (yysyntax_error): New item.
2580
2581 2008-11-11 Akim Demaille <demaille@gostai.com>
2582
2583 Prefer M4 to CPP.
2584 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
2585 YYERROR_VERBOSE.
2586
2587 2008-11-11 Akim Demaille <demaille@gostai.com>
2588
2589 Support i18n of the parse error messages.
2590 * TODO (lalr1.cc/I18n): Remove.
2591 * data/lalr1.cc (yysyntax_error_): Support the translation of the
2592 error messages, as done in yacc.c.
2593 Stay within the yy* pseudo namespace.
2594
2595 2008-11-11 Akim Demaille <demaille@gostai.com>
2596
2597 More TODO.
2598 * TODO (single stack, yysyntax_error): New.
2599
2600 2008-11-11 Akim Demaille <demaille@gostai.com>
2601
2602 Make it possible to return a symbol_type from yylex.
2603 * data/lalr1.cc (b4_lex_symbol_if): New.
2604 (parse): When lex_symbol is defined, expected yylex to return the
2605 complete lookahead.
2606 * etc/bench.pl.in (generate_grammar_list): Extend to support this
2607 yylex interface.
2608 (bench_variant_parser): Exercise it.
2609
2610 2008-11-11 Akim Demaille <demaille@gostai.com>
2611
2612 Remove useless bench case.
2613 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
2614 no longer used.
2615
2616 2008-11-11 Akim Demaille <demaille@gostai.com>
2617
2618 Improve display of directives.
2619 * etc/bench.pl.in (parse_term): Don't add useless eol.
2620
2621 2008-11-11 Akim Demaille <demaille@gostai.com>
2622
2623 Use string_cast in the bench.
2624 * etc/bench.pl.in (generate_grammar_list): Define and use
2625 string_cast.
2626
2627 2008-11-11 Akim Demaille <demaille@gostai.com>
2628
2629 Replace yychar with a Boolean.
2630 * data/lalr1.cc (parse::yychar): Replace by...
2631 (parse::yyempty): this.
2632
2633 2008-11-11 Akim Demaille <demaille@gostai.com>
2634
2635 Factor the tables.
2636 * TODO: New item.
2637
2638 2008-11-11 Akim Demaille <demaille@gostai.com>
2639
2640 Let yytranslate handle the eof case.
2641 * data/lalr1.cc (yytranslate_): Handle the EOF case.
2642 Adjust callers.
2643 No longer expect yychar to be equal to yyeof_, rather, test the
2644 lookahead's (translated) kind.
2645
2646 2008-11-11 Akim Demaille <demaille@gostai.com>
2647
2648 yychar cannot be empty in yyerrlab.
2649 * TODO (yychar == yyempty_): New.
2650 * data/lalr1.cc: Remove the handling of this case.
2651 This eases forthcoming changes related to yychar and yytranslate.
2652
2653 2008-11-11 Akim Demaille <demaille@gostai.com>
2654
2655 Bench: syntactic sugar for %define/#define.
2656 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
2657 (&bench_push_parser, bench_variant_parser): Use this feature.
2658 (&eat): New.
2659 Use it.
2660
2661 2008-11-11 Akim Demaille <demaille@gostai.com>
2662
2663 Less memory pressure on the "list" bench.
2664 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
2665 the values, to limit memory pressure.
2666
2667 2008-11-11 Akim Demaille <demaille@gostai.com>
2668
2669 Introduce make_symbol.
2670 make_symbol provides a means to construct a full symbol (kind,
2671 value, location) in a single shot. It is meant to be a Symbol
2672 constructor, parameterized by the symbol kind so that overloading
2673 would prevent incorrect kind/value pairs. Unfortunately
2674 parameterized constructors do not work well in C++ (unless the
2675 parameter also appears as an argument, which is not acceptable),
2676 hence the use of a function instead of a constructor.
2677
2678 * data/lalr1.cc (b4_symbol_constructor_declaration_)
2679 (b4_symbol_constructor_declarations)
2680 (b4_symbol_constructor_specialization_)
2681 (b4_symbol_constructor_specializations)
2682 (b4_symbol_constructor_definition_)
2683 (b4_symbol_constructor_definitions): New.
2684 Use them where appropriate to generate declaration, declaration of
2685 the specializations, and implementations of the templated
2686 overloaded function "make_symbol".
2687 (variant::variant): Always define a default ctor.
2688 Also provide a copy ctor.
2689 (symbol_base_type, symbol_type): New ctor overloads for value-less
2690 symbols.
2691 (symbol_type): Now public, so that functions such as yylex can use
2692 it.
2693
2694 2008-11-11 Akim Demaille <demaille@gostai.com>
2695
2696 Inform m4 whether a tag is a valid id.
2697 * src/output.c (is_identifier): New.
2698 (symbol_definitions_output): Use it to define tag_is_id.
2699 But maybe this should be done at m4 level?
2700
2701 2008-11-11 Akim Demaille <demaille@gostai.com>
2702
2703 Test 214 was failing: it greps with a pattern containing [ ]*
2704 which obviously meant to catch spaces and tabs, but contained only
2705 spaces. Tabulations in sources are a nuisance, so to simplify the
2706 matter, get rid of all the tabulations in the Java sources. The
2707 other skeletons will be treated equally later.
2708
2709 * data/java.m4, data/lalr1.java: Untabify.
2710 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
2711 tabulations are no longer generated.
2712
2713 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
2714
2715 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
2716 * configure.ac: Adjust usage.
2717 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
2718 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
2719 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
2720
2721 2008-11-10 Di-an Jan <dianj@freeshell.org>
2722
2723 Workaround Java's ``code too large'' problem for parser tables
2724 in most cases, by using one function per initialization.
2725 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
2726 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
2727 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
2728 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
2729 (yytname_): Use b4_typed_parser_table.
2730 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
2731 ``code too large'' error.
2732
2733 2008-11-10 Di-an Jan <dianj@freeshell.org>
2734
2735 * NEWS: Document them.
2736
2737 General Java skeleton improvements.
2738 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
2739 using gcj < 4.3 in the testsuite, according to comments in
2740 gnulib/m4/javacomp.m4.
2741 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
2742 location_type, position_type): Remove extraneous brackets from
2743 b4_percent_define_default.
2744 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
2745 m4_define and m4_define_default.
2746 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
2747 which marks the end of user code with appropriate syncline, like all
2748 the other skeletons.
2749 (b4_user_post_prologue): Add. Don't silently drop.
2750 (yylex): Remove.
2751 (parse): Inline yylex.
2752 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
2753 (%{...%}): Fix typo of %code imports.
2754 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
2755
2756 Support annotations on parser class with %define annotations.
2757 * data/lalr1.java (annotations): Add to parser class modifier.
2758 * doc/bison.texinfo (Java Parser Interface): Document
2759 %define annotations.
2760 (Java Declarations Summary): Document %define annotations.
2761 * tests/java.at (Java parser class modifiers): Test annotations.
2762
2763 Do not generate code for %error-verbose unless requested.
2764 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
2765 Make private. Make conditional on %error-verbose.
2766 (getErrorVerbose, setErrorVerbose): New.
2767 (yytnamerr_): Make conditional on %error-verbose.
2768 (yysyntax_error): Make some code conditional on %error-verbose.
2769 * doc/bison.texinfo (Java Bison Interface): Remove the parts
2770 about %error-verbose having no effect.
2771 (getErrorVerbose, setErrorVerbose): Document.
2772
2773 Move constants for token names to Lexer interface.
2774 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
2775 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
2776 (parse): Qualify EOF to Lexer.EOF.
2777 * doc/bison.texinfo (Java Parser Interface): Move documentation of
2778 EOF and token names to Java Lexer Interface.
2779 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
2780
2781 Make yyerror public.
2782 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
2783 (yyerror): Change to public. Add Javadoc comments. Use longer
2784 parameter names. Make the body rather than the declarator
2785 conditional on %locations.
2786 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
2787
2788 Allow user to add code to the constructor with %code init.
2789 * data/java.m4 (b4_init_throws): New, for %define init_throws.
2790 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
2791 Add %code init to the front of the constructor body.
2792 * doc/bison.texinfo (YYParser.YYParser): Document %code init
2793 and %define init_throws.
2794 (Java Declarations Summary): Document %code init and
2795 %define init_throws.
2796 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
2797 (Java constructor init and init_throws): Add tests.
2798
2799 2008-11-10 Akim Demaille <demaille@gostai.com>
2800
2801 Update TODO.
2802 * TODO (-D): is implemented.
2803 (associativity): Same precedence must have the same associativity.
2804 For instance, how can a * b / c be parsed if * is %left and / is
2805 %right?
2806 (YYERRORCODE, YYFAIL, YYBACKUP): New.
2807
2808 2008-11-10 Akim Demaille <demaille@gostai.com>
2809
2810 Formatting changes.
2811
2812 2008-11-10 Akim Demaille <demaille@gostai.com>
2813
2814 More information about the symbols.
2815 * src/output.c (type_names_output): Document all the symbols,
2816 including those that don't have a type-name.
2817 (symbol_definitions_output): Define "is_token" and
2818 "has_type_name".
2819 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
2820 type-name, now that they are defined too in b4_type_names.
2821
2822 2008-11-10 Akim Demaille <demaille@gostai.com>
2823
2824 Regen.
2825
2826 2008-11-10 Akim Demaille <demaille@gostai.com>
2827
2828 Make parser::yytranslate static.
2829 Small speedup (1%) on the list grammar. And makes yytranslate_
2830 available in non member functions.
2831
2832 * data/lalr1.cc (yytranslate_): Does not need to be a instance
2833 function.
2834
2835 2008-11-10 Akim Demaille <demaille@gostai.com>
2836
2837 Avoid trailing spaces.
2838 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
2839 * data/lalr1.cc: Don't indent before rule and symbol actions, as
2840 they can be empty, and anyway this incorrectly indents the first
2841 action.
2842
2843 2008-11-10 Akim Demaille <demaille@gostai.com>
2844
2845 Comment changes.
2846
2847 2008-11-10 Akim Demaille <demaille@gostai.com>
2848
2849 Use "enum" for integral constants.
2850 This is just nicer to read, I observed no speedup.
2851
2852 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
2853 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
2854 (yyuser_token_number_max_, yyundef_token_): Move into...
2855 (yytranslate_): here.
2856
2857 2008-11-10 Akim Demaille <demaille@gostai.com>
2858
2859 Shortcuts in bench directives.
2860 * etc/bench.pl.in (parse_dirs): New.
2861 Use it.
2862 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
2863 Create the benches in "benches/".
2864
2865 2008-11-10 Akim Demaille <demaille@gostai.com>
2866
2867 Formatting changes.
2868 * data/lalr1.cc: here.
2869
2870 2008-11-10 Akim Demaille <demaille@gostai.com>
2871
2872 Adjust verbose message to using emacs.
2873 * etc/bench.pl.in: Inform compilation-mode when we change the
2874 directory.
2875 (generate_grammar_list): Recognize %define "variant" in addition
2876 to %define variant.
2877
2878 2008-11-10 Akim Demaille <demaille@gostai.com>
2879
2880 Classify symbols by type-name.
2881 * src/uniqstr.h (UNIQSTR_CMP): New.
2882 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
2883 (type_names_output): New.
2884 (muscles_output): Use it.
2885 * data/lalr1.cc (b4_symbol_action_): Remove.
2886 (b4_symbol_case_, b4_type_action_): New.
2887 Adjust uses of b4_symbol_action_ to use b4_type_action_.
2888
2889 2008-11-10 Akim Demaille <demaille@gostai.com>
2890
2891 Change the handling of the symbols in the skeletons.
2892 Before we were using tables which lines were the symbols and which
2893 columns were things like number, tag, type-name etc. It is was
2894 difficult to extend: each time a column was added, all the numbers had
2895 to be updated (you asked for colon $2, not for "tag"). Also, it was
2896 hard to filter these tables when only a subset of the symbols (say the
2897 tokens, or the nterms, or the tokens that have and external number
2898 *and* a type-name) was of interest.
2899
2900 Now instead of monolithic tables, we define one macro per cell. For
2901 instance "b4_symbol(0, tag)" is a macro name which contents is
2902 self-decriptive. The macro "b4_symbol" provides easier access to
2903 these cells.
2904
2905 * src/output.c (type_names_output): Remove.
2906 (symbol_numbers_output, symbol_definitions_output): New.
2907 (muscles_output): Call them.
2908 (prepare_symbols): Define b4_symbols_number.
2909
2910 2008-11-10 Akim Demaille <demaille@gostai.com>
2911
2912 --trace=muscles
2913 * src/getargs.h, src/getargs.c (trace_muscle): New.
2914 (trace_types, trace_args): Support it.
2915 * src/output.c (output_skeleton): Use it.
2916
2917 2008-11-10 Akim Demaille <demaille@gostai.com>
2918
2919 muscles_output.
2920 * src/output.c (muscles_output): New, extracted from...
2921 (output_skeleton): here.
2922 Adjust.
2923
2924 2008-11-10 Akim Demaille <demaille@gostai.com>
2925
2926 Formatting changes.
2927
2928 2008-11-10 Akim Demaille <demaille@gostai.com>
2929
2930 Update the variant example.
2931 * examples/variant.yy: Formatting changes.
2932 One stage build.
2933
2934 2008-11-10 Akim Demaille <demaille@gostai.com>
2935
2936 Support constructor with an argument.
2937 This improves the "list" bench by 2%.
2938
2939 * data/lalr1.cc (variant::build): Add an overloaded version with
2940 an argument.
2941 * tests/c++.at (AT_CHECK_VARIANT): Check it.
2942
2943 2008-11-10 Akim Demaille <demaille@gostai.com>
2944
2945 Test variants.
2946 * tests/c++.at (AT_CHECK_VARIANTS): New.
2947 Use it with and without %define assert.
2948
2949 2008-11-10 Akim Demaille <demaille@gostai.com>
2950
2951 Add %precedence support.
2952 Unfortunately it is not possible to reuse the %prec directive. This
2953 is because to please POSIX, we do not require to end the rules with a
2954 semicolon. As a result,
2955
2956 foo: bar %prec baz
2957
2958 is ambiguous: either a rule which precedence is that of baz, or a rule,
2959 and then a declaration of the precedence of the token baz.
2960
2961 * doc/bison.texinfo: Document %precedence.
2962 (Precedence Only): New.
2963 * src/assoc.h, src/assoc.c (precedence_assoc): New.
2964 * src/conflicts.c (resolve_sr_conflict): Support it.
2965 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
2966 Parse it.
2967 * tests/calc.at: Use %precedence for NEG.
2968 * tests/conflicts.at (%precedence does not suffice)
2969 (%precedence suffices): New tests.
2970
2971 2008-11-09 Akim Demaille <demaille@gostai.com>
2972
2973 Make benches in a sub dirs.
2974 * etc/bench.pl.in ($dir): New.
2975 Use it.
2976 Check the use of constructors with an argument.
2977 (bench_variant_parser): Fix.
2978
2979 2008-11-09 Akim Demaille <demaille@gostai.com>
2980
2981 fix eof condition
2982
2983 2008-11-09 Akim Demaille <demaille@gostai.com>
2984
2985 Fix --help.
2986
2987 2008-11-09 Akim Demaille <demaille@gostai.com>
2988
2989 Require the generation of parse-gram.output.
2990 * src/Makefile.am (YACC): Pass --report=all.
2991
2992 2008-11-09 Akim Demaille <demaille@gostai.com>
2993
2994 Formatting changes.
2995
2996 2008-11-09 Akim Demaille <demaille@gostai.com>
2997
2998 Update TODO.
2999 * TODO: Remove obsolete items.
3000 Update others.
3001
3002 2008-11-09 Akim Demaille <demaille@gostai.com>
3003
3004 Enhance bench.pl.
3005 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
3006 (@token, $grammar, $bench): New.
3007 (generate_grammar_variant): Rename as...
3008 (generate_grammar_list): this.
3009 (generate_grammar): Adjust.
3010 (bench_grammar): Rename as...
3011 (bench): this.
3012 Use it in the various bench-marking routines.
3013 (-b, -g): New options.
3014
3015 2008-11-09 Akim Demaille <demaille@gostai.com>
3016
3017 Use a static hierarchy for symbols in the C++ parser.
3018 * data/lalr1.cc (symbol_base_type, symbol_type)
3019 (stack_symbol_type): Make it a static hierarchy.
3020 Adjust dependencies.
3021
3022 2008-11-09 Akim Demaille <demaille@gostai.com>
3023
3024 bench.pl -d, --directive.
3025 * etc/bench.pl.in (@directive): New.
3026 (&bench_grammar): Use it.
3027 (&bench_list_grammar): New, to provide access to the "variant"
3028 grammar.
3029 Use it.
3030 (getopts): Support -d, --directive.
3031
3032 2008-11-09 Akim Demaille <demaille@gostai.com>
3033
3034 Use inline for small operations.
3035 * data/lalr1.cc (symbol_base_type, symbol_type)
3036 (stack_symbol_type): Declare constructor and other operations as
3037 inline.
3038 (yy_destroy_): Inline.
3039
3040 2008-11-09 Akim Demaille <demaille@gostai.com>
3041
3042 Introduce a hierarchy for symbols.
3043 * data/lalr1.cc (symbol_base_type, symbol_type): New.
3044 (data_type): Rename as...
3045 (stack_symbol_type): this.
3046 Derive from symbol_base_type.
3047 (yy_symbol_value_print_): Merge into...
3048 (yy_symbol_print_): this.
3049 Rename as...
3050 (yy_print_): this.
3051 (yydestruct_): Rename as...
3052 (yy_destroy_): this.
3053 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
3054 (parser::parse): yyla is now of symbol_type.
3055 Use its type member instead of yytoken.
3056
3057 2008-11-09 Akim Demaille <demaille@gostai.com>
3058
3059 Rename data_type and stack_symbol_type.
3060 * data/lalr1.cc (data_type): Rename as...
3061 (stack_symbol_type): this.
3062
3063 2008-11-09 Akim Demaille <demaille@gostai.com>
3064
3065 Handle semantic value and location together.
3066 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
3067 yydata.value and yydata.location.
3068 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
3069 (YY_SYMBOL_PRINT): Now take semantic value and location as a
3070 single arg.
3071 Adjust all callers.
3072 (yydestruct_): New overload for a stack symbol.
3073
3074 2008-11-09 Akim Demaille <demaille@gostai.com>
3075
3076 Push a complete symbol, not connected parts.
3077 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
3078 state, value and location.
3079 Adjust callers.
3080
3081 2008-11-09 Akim Demaille <demaille@gostai.com>
3082
3083 Agregate yylval and yylloc.
3084 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
3085 (parser::yyla): this.
3086
3087 2008-11-09 Akim Demaille <demaille@gostai.com>
3088
3089 Rely on the state stack to display reduction traces.
3090 To display rhs symbols before a reduction, we used information
3091 about the rule reduced, which required the tables yyrhs and
3092 yyprhs. Now use rely only on the state stack to get the same
3093 information.
3094
3095 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
3096 Use them.
3097 (parser::yyrhs_, parser::yyprhs_): Remove.
3098 (parser::yy_reduce_print_): Use the state stack.
3099
3100 2008-11-09 Akim Demaille <demaille@gostai.com>
3101
3102 Fuse yyval and yyloc into yylhs.
3103 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
3104 yylhs.
3105 (parse): Replace yyval and yyloc with yylhs.value and
3106 yylhs.location.
3107 After a user action, compute yylhs.state earlier.
3108 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
3109 fresh error_token.
3110
3111 2008-11-09 Di-an Jan <dianj@freeshell.org>
3112
3113 Remove unused variable.
3114 * src/output.c (type_names_output): Remove unused variable sep.
3115
3116 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
3117
3118 Change tests/output.at quoting.
3119 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
3120 expanding arguments.
3121
3122 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
3123
3124 Don't add a semicolon to actions for %skeleton or %language.
3125 It breaks Java test cases as reported by Akim Demaille.
3126 * src/scan-code.l: Implement.
3127
3128 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
3129
3130 Clean up %skeleton and %language priority implementation.
3131 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
3132 remove static qualifier because others will soon need to see it.
3133 (language_prio): Likewise.
3134 (getargs): Use command_line_prio rather than 0.
3135 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
3136 enum fields.
3137 (skeleton_prio): Extern it.
3138 (language_prio): Extern it.
3139 * src/parse-gram.y: Use grammar_prio rather than 1.
3140
3141 2008-11-07 Akim Demaille <demaille@gostai.com>
3142
3143 Moving push traces into yypush_.
3144 * data/lalr1.cc (yypush_): Now takes a optional trace message.
3145 Adjust all uses.
3146
3147 2008-11-07 Akim Demaille <demaille@gostai.com>
3148
3149 The single-stack C++ parser is now the standard one.
3150 * data/lalr1.cc: Rename as...
3151 * data/lalr1-split.cc: this.
3152 * data/lalr1-fusion.cc: Rename as...
3153 * data/lalr1.cc: this.
3154 * etc/bench.pl.in: Adjust.
3155
3156 2008-11-07 Akim Demaille <demaille@gostai.com>
3157
3158 Avoid empty-if warnings.
3159 Reported by Quentin Hocquet.
3160
3161 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
3162 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
3163
3164 2008-11-07 Akim Demaille <demaille@gostai.com>
3165
3166 Pass command line location to skeleton_arg and language_argmatch.
3167 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
3168 The location argument is now mandatory.
3169 Adjust all dependencies.
3170 (getargs): Use command_line_location.
3171
3172 2008-11-07 Akim Demaille <demaille@gostai.com>
3173
3174 -D, --define.
3175 * src/getargs.c (usage): Document -D.
3176 Fix help string for --locations.
3177 (command_line_location): New.
3178 (short_options, long_options, getargs): Support -D, --define.
3179 (getargs): Move -d support at the right place.
3180 * doc/bison.texinfo (Bison Options): Update.
3181 * tests/input.at (%define, --define): New.
3182
3183 2008-11-07 Akim Demaille <demaille@gostai.com>
3184
3185 Initialize the muscle table before parsing the command line.
3186 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
3187 (getargs): Define file_name.
3188 * src/main.c (main): Initialize muscle_tab before calling
3189 getargs.
3190 * src/muscle_tab.c (muscle_init): No longer define file_name, as
3191 its value is not available yet.
3192
3193 2008-11-07 Akim Demaille <demaille@gostai.com>
3194
3195 Locations without columns for command line arguments.
3196 * src/location.c (location_print): Don't display negative columns.
3197 * src/location.h: Document this.
3198
3199 2008-11-07 Akim Demaille <demaille@gostai.com>
3200
3201 Fix --help.
3202 * src/getargs.c (usage): Fix help string for -W.
3203
3204 2008-11-07 Akim Demaille <demaille@gostai.com>
3205
3206 Handle more general types of option arguments.
3207 * build-aux/cross-options.pl: The argument ends at the first
3208 space, not the first non-symbol character.
3209 Use @var for each word appearing the argument description.
3210
3211 2008-11-07 Akim Demaille <demaille@gostai.com>
3212
3213 Destroy the variants that remain on the stack in case of error.
3214 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
3215 destructor.
3216 Display the value only if yymsg is nonnull.
3217 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
3218
3219 2008-11-07 Akim Demaille <demaille@gostai.com>
3220
3221 Add "%define assert" to variants.
3222 This is used to help the user catch cases where some value gets
3223 ovewritten by a new one. This should not happen, as this will
3224 probably leak.
3225
3226 Unfortunately this uncovered a bug in the C++ parser itself: the
3227 lookahead value was not destroyed between two calls to yylex. For
3228 instance if the previous lookahead was a std::string, and then an int,
3229 then the value of the std::string was correctly taken (i.e., the
3230 lookahead was now an empty string), but std::string structure itself
3231 was not reclaimed.
3232
3233 This is now done in variant::build(other&) (which is used to take the
3234 value of the lookahead): other is not only stolen from its value, it
3235 is also destroyed. This incurs a new performance penalty of a few
3236 percent, and union becomes faster again.
3237
3238 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
3239 (b4_variant_if): New.
3240 (variant::built): New.
3241 Use it whereever the status of the variant changes.
3242 * etc/bench.pl.in: Check the penalty of %define assert.
3243
3244 2008-11-07 Akim Demaille <demaille@gostai.com>
3245
3246 Use "%define variant" in bench.pl.
3247 * etc/bench.pl.in: No longer use the pseudo directive %variants,
3248 just use %define variants.
3249
3250 2008-11-07 Akim Demaille <demaille@gostai.com>
3251
3252 Regen.
3253 * src/parse-gram.h, src/parse-gram.c: Regen.
3254
3255 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
3256
3257 Fix user actions without a trailing semicolon.
3258 Reported by Sergei Steshenko at
3259 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
3260 * THANKS (Sergei Steshenko): Add.
3261 * src/scan-code.l (SC_RULE_ACTION): Fix it.
3262 * tests/regression.at (Fix user actions without a trailing semicolon):
3263 New test case.
3264
3265 2008-11-04 Akim Demaille <demaille@gostai.com>
3266
3267 Use b4_copyright_years.
3268 * data/yacc.c (b4_copyright_years): New.
3269 Fix its value according to the comments in the file.
3270 Use it and undefine it.
3271
3272 2008-11-04 Akim Demaille <demaille@gostai.com>
3273
3274 Formatting changes.
3275 * data/lalr1-fusion.cc, src/parse-gram.y: here.
3276
3277 2008-11-04 Akim Demaille <demaille@gostai.com>
3278
3279 Formatting changes.
3280 * data/lalr1-fusion.cc: here.
3281
3282 2008-11-04 Akim Demaille <demaille@gostai.com>
3283
3284 Use strict on bench.pl.
3285 * etc/bench.pl.in (&run, &generate_grammar): New.
3286 Rename the grammar generating functions for consistency.
3287 Change the interface so that the list of benches to run is passed
3288 as (optionless) arguments.
3289 (&compile): Use &run.
3290
3291 2008-11-04 Akim Demaille <demaille@gostai.com>
3292
3293 Remove spurious initial empty lines.
3294 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
3295 * data/yacc.c: End the @output lines with an @.
3296
3297 2008-11-04 Akim Demaille <demaille@gostai.com>
3298
3299 Improve the display of sizes.
3300 * etc/bench.p.in: Higher precision.
3301 Sort by decreasing size.
3302
3303 2008-11-04 Akim Demaille <demaille@gostai.com>
3304
3305 Don't memcpy C++ structures.
3306 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
3307 arguments.
3308 (variant::build): New overload for
3309 copy-construction-that-destroys.
3310 (variant::swap): New.
3311 (parser::yypush_): Use it in variant mode.
3312
3313 2008-11-04 Akim Demaille <demaille@gostai.com>
3314
3315 Better defaults for bench.pl.
3316 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
3317 default values.
3318 Adjust &verbose uses.
3319 (-q, --quiet): New.
3320
3321 2008-11-04 Akim Demaille <demaille@gostai.com>
3322
3323 Make variant.yy more complex.
3324 std::list cannot be copied via memcpy, they are more demanding than
3325 std::string. Use one std::list to strengthen the test.
3326
3327 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
3328 Adjust.
3329 Create a list of strings, instead of a single large string.
3330
3331 2008-11-04 Akim Demaille <demaille@gostai.com>
3332
3333 bench.pl --bench.
3334 * etc/bench.pl.in (--bench, $bench): New.
3335
3336 2008-11-04 Akim Demaille <demaille@gostai.com>
3337
3338 Sort methods.
3339 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
3340 Define it after as().
3341
3342 2008-11-04 Akim Demaille <demaille@gostai.com>
3343
3344 Useless parens.
3345 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
3346
3347 2008-11-04 Akim Demaille <demaille@gostai.com>
3348
3349 Issue missing synclines after user actions.
3350 * data/c.m4 (b4_case): Issue synclines on the output file.
3351
3352 2008-11-04 Akim Demaille <demaille@gostai.com>
3353
3354 Remove trailing empty line.
3355 * data/lalr1-fusion.cc: Don't add an empty line after the user's
3356 epilogue.
3357
3358 2008-11-04 Akim Demaille <demaille@gostai.com>
3359
3360 Fix output of copyright years.
3361 * data/bison.m4 (b4_copyright): Fix the indentation of the
3362 copyright year paragraph.
3363 Use b4_copyright_years when no years are given.
3364 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
3365 (b4_copyright_years): New.
3366 Use it.
3367
3368 2008-11-04 Akim Demaille <demaille@gostai.com>
3369
3370 Avoid the spurious initial empty line.
3371 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
3372 the end of @output request to suppress the empty line that
3373 results.
3374
3375 2008-11-04 Akim Demaille <demaille@gostai.com>
3376
3377 Remove parser::rhs_number_type.
3378 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
3379 (yyrhs_): Use b4_table_define.
3380
3381 2008-11-04 Akim Demaille <demaille@gostai.com>
3382
3383 Fix iteration type.
3384 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
3385
3386 2008-11-04 Akim Demaille <demaille@gostai.com>
3387
3388 Factor the declaration of the integer tables.
3389 * data/lalr1-fusion.cc (b4_table_define): New.
3390 Use it.
3391
3392 2008-11-03 Akim Demaille <demaille@gostai.com>
3393
3394 Fix indentation of tables in lalr1.cc
3395 * data/lalr1-fusion.cc: Fix the indentation.
3396
3397 2008-11-03 Akim Demaille <demaille@gostai.com>
3398
3399 Destroy the lhs symbols after reduction.
3400 * data/lalr1-fusion.cc (parse): After the user action, when in
3401 variant mode, destroy the lhs symbols.
3402
3403 2008-11-03 Akim Demaille <demaille@gostai.com>
3404
3405 Simplify yysyntax_error_ use.
3406 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
3407 type, but make it unnamed in the declaration when it is not used.
3408
3409 2008-11-03 Akim Demaille <demaille@gostai.com>
3410
3411 Let yy::variant::build return an lvalue.
3412 * data/lalr1-fusion.cc (variant::build): Return a reference to the
3413 object.
3414
3415 2008-11-03 Akim Demaille <demaille@gostai.com>
3416
3417 Define yy::variant only when needed.
3418 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
3419 used.
3420
3421 2008-11-03 Akim Demaille <demaille@gostai.com>
3422
3423 Bench the three-stack lalr1.cc.
3424 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
3425 one-stack one.
3426
3427 2008-11-03 Akim Demaille <demaille@gostai.com>
3428
3429 Fail on parse error in calc++.
3430 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
3431 status.
3432 * examples/calc++/test ($me, $number, $exit, run): New.
3433 Use them to propagate errors to the exit status.
3434
3435 2008-11-03 Akim Demaille <demaille@gostai.com>
3436
3437 Don't specify the skeleton twice in the example.
3438 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
3439 file does what is needed.
3440
3441 2008-11-03 Akim Demaille <demaille@gostai.com>
3442
3443 bench: Improve output.
3444 * etc/bench.pl.in (bench_grammar): Tune the printf format.
3445
3446 2008-11-03 Akim Demaille <demaille@gostai.com>
3447
3448 bench: check impact of %debug on variants.
3449 * etc/bench.pl.in (variant_grammar): Fix the computation of
3450 $variant.
3451 Generate a grammar file that can work with or without %debug.
3452 Do use the @directive.
3453 (bench_variant_parser): Check impact of %debug.
3454 (@directives): Rename all the occurrences to...
3455 (@directive): this, for consistency.
3456
3457 2008-11-03 Akim Demaille <demaille@gostai.com>
3458
3459 bench: report the size too.
3460 * etc/bench.pl.in ($iterations): Defaults to -3.
3461 (&bench_grammar): Require hireswallclock.
3462 Compute and display the size of the result.
3463 More comments.
3464
3465 2008-11-03 Akim Demaille <demaille@gostai.com>
3466
3467 bench: More use of the verbosity level.
3468 * etc/bench.pl.in ($verbose, &verbose): New.
3469 Use them.
3470 More POD documentation.
3471
3472 2008-11-03 Akim Demaille <demaille@gostai.com>
3473
3474 bench.pl: a command line interface
3475 * etc/bench.pl.in: More doc.
3476 Some fixes in the documentation.
3477 ($cflags, $iterations, &help, &getopt): New.
3478 Use them.
3479 (&variant_grammar): Let the number of stages be 10 times what is
3480 specified.
3481
3482 2008-11-03 Akim Demaille <demaille@gostai.com>
3483
3484 Bench the use of Boost.Variants.
3485 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
3486 New.
3487 (&compile): Be ready to compile C++ parsers.
3488 (&bench_push_parser): Move debug information to the outermost
3489 level.
3490 * THANKS: Add Michiel De Wilde.
3491
3492 2008-11-03 Akim Demaille <demaille@gostai.com>
3493
3494 bench.pl: Pass directives as a list instead of as a string.
3495 * etc/bench.pl.in (&directives): New.
3496 (&triangular_grammar, &calc_grammar): Use it to format the Bison
3497 directives.
3498 (&triangular_grammar): Do use the directives (were ignored).
3499 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
3500 directives.
3501
3502 2008-11-03 Akim Demaille <demaille@gostai.com>
3503
3504 Improve genericity of bench.pl.
3505 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
3506 argument.
3507 (&bench_push_parser): New.
3508 Call it.
3509
3510 2008-11-03 Akim Demaille <demaille@gostai.com>
3511
3512 Add documentation to bench.pl.
3513 * etc/bench.pl.in: Comment changes.
3514
3515 2008-11-03 Akim Demaille <demaille@gostai.com>
3516
3517 Fuse the three stacks into a single one.
3518
3519 In order to make it easy to perform benchmarks to ensure that
3520 there are no performance loss, lalr1.cc is forked into
3521 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
3522 lalr1.cc.
3523
3524 Meanwhile, to make sure that lalr1-fusion.cc is correctly
3525 exercized by the test suite, the user must install a symbolic link
3526 from lalr1.cc to it.
3527
3528 Instead of having three stacks (state, value, location), use a
3529 stack of triples. This considerably simplifies the code (and it
3530 will be easier not to require locations as currently does the C++
3531 parser), and also gives a 10% speedup according to
3532 etc/bench (probably mainly since memory allocation is done once
3533 instead of three times).
3534
3535 Another motivation is to make it easier to destruct properly
3536 semantic values: now that they are bound to their state (hence
3537 symbol type) it will be easier to call the appropriate destructor.
3538
3539 These changes should probably benefit the C parser too.
3540
3541 * data/lalr1.cc: Copy as...
3542 * data/lalr1-fusion.cc: this new file.
3543 (b4_rhs_value, b4_rhs_location): New definitions overriding those
3544 from c++.m4.
3545 (state_stack_type, semantic_stack_type, location_stack_type)
3546 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
3547 (data_type, stack_type, yystack_): New.
3548 (YYLLOC_DEFAULT, yypush_): Adjust.
3549 (yyerror_range): Now based on data_type, not location_type.
3550
3551 2008-11-03 Akim Demaille <demaille@gostai.com>
3552
3553 Push the state, value, and location at the same time.
3554 This is needed to prepare a forthcoming patch that fuses the three
3555 stacks into one.
3556
3557 * data/lalr1.cc (parser::yypush_): New.
3558 (parser::yynewstate): Change the semantics: instead of arriving to
3559 this label when value and location have been pushed, but yystate
3560 is to be pushed on the state stack, now the three of them must
3561 have been pushed before. yystate still must be the new state.
3562 This allows to use yypush_ everywhere instead of individual
3563 handling of the stacks.
3564
3565 2008-11-03 Akim Demaille <demaille@gostai.com>
3566
3567 Prefer references to pointers.
3568 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
3569 definition to use references instead of pointers.
3570 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
3571 Take the value and location as references.
3572 Adjust callers.
3573
3574 2008-11-03 Akim Demaille <demaille@gostai.com>
3575
3576 stack::size instead of stack::height.
3577 * data/lalr1.cc (stack::height): Rename as...
3578 (stack::size): this.
3579 Fix the output type.
3580 Comment changes.
3581
3582 2008-11-03 Akim Demaille <demaille@gostai.com>
3583
3584 Use variants to support objects as semantic values.
3585 This patch was inspired by work by Michiel De Wilde. But he used
3586 Boost variants which (i) requires Boost on the user side, (ii) is
3587 slow, and (iii) has useless overhead (the parser knows the type of
3588 the semantic value there is no reason to duplicate this
3589 information as Boost.Variants do).
3590
3591 This implementation reserves a buffer large enough to store the
3592 largest objects. yy::variant implements this buffer. It was
3593 implemented with Quentin Hocquet.
3594
3595 * src/output.c (type_names_output): New.
3596 (output_skeleton): Invoke it.
3597 * data/c++.m4 (b4_variant_if): New.
3598 (b4_symbol_value): If needed, provide a definition for variants.
3599 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
3600 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
3601 (b4_char_sizeof, yy::variant): New.
3602 (parser::parse): If variants are requested, define
3603 parser::union_type, parser::variant, change the definition of
3604 semantic_type, construct $$ before running the user action instead
3605 of performing a default $$ = $1.
3606 * examples/variant.yy: New.
3607 Based on an example by Michiel De Wilde.
3608
3609 2008-11-03 Akim Demaille <demaille@gostai.com>
3610
3611 Parameterize the extraction of semantic values.
3612 To make future changes easier, no longer rely on ".TYPE" being the
3613 way to get a semantic value.
3614
3615 * data/c.m4 (b4_symbol_value): New.
3616 Use it.
3617 * data/c++.m4, data/yacc.c: Use it.
3618 * data/glr.c: Use b4_symbol_value.
3619 (b4_rhs_data): New.
3620 Use it.
3621
3622 2008-11-03 Akim Demaille <demaille@gostai.com>
3623
3624 Prepare easier M4 changes.
3625 * data/lalr1.cc: Use escaped [] instead of literals to prepare
3626 future changes.
3627
3628 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3629
3630 Initiate further development.
3631 * NEWS: Create an empty section for new entries.
3632 * gnulib: Update submodule to HEAD.
3633
3634 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3635
3636 * NEWS: Version 2.4.
3637
3638 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3639
3640 Prepare for next release.
3641 * NEWS: Briefly mention changes since 2.3b.
3642 * README: Say GNU m4 1.4.6, which we've been requiring in release
3643 announcements already, not 1.4.3, which breaks the build.
3644
3645 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
3646
3647 Say %language is experimental.
3648 We're thinking of extending it's effect on output file naming. See the
3649 thread at
3650 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
3651 * NEWS: Say it's experimental.
3652 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
3653 recommend it over %skeleton for now.
3654 (Bison Options): Likewise.
3655 (C++ Bison Interface): Use %skeleton not %language.
3656 (Calc++ Parser): Use %skeleton not %language.
3657 * src/getargs.c (usage): Say it's experimental.
3658
3659 2008-11-01 Di-an Jan <dianj@freeshell.org>
3660 Paolo Bonzini <bonzini@gnu.org>
3661
3662 Support all Java parser class modifiers.
3663 * data/java.m4 (b4_percent_define_get3): New.
3664 (b4_final_if, b4_strictfp_if): New.
3665 * data/lalr1.java (final, strictfp, extends, implements): Support.
3666 * doc/bison.texinfo (final, strictfp, extends, implements): Add
3667 documentation.
3668 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
3669 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
3670 (AT_CHECK_JAVA_GREP): New.
3671 (Java parser class modifiers): New test.
3672 (Java parser class extends and implements): New test.
3673
3674 Model exception propagation better with throws and lex_throws.
3675 * data/java.m4 (b4_list2): New.
3676 (throws): Change default.
3677 * data/lalr1.java (yyaction): Add throws.
3678 (parse): Add lex_throws in addition to throws.
3679 * doc/bison.texinfo (throws, lex_throws): Add documentation.
3680 * tests/java.at (Java throws specifications): New test.
3681
3682 Improve documentation for Java parsers.
3683 * doc/bison.texinfo (Java Parsers): Add subsections.
3684 Don't quote first argument of %define.
3685 (Java Bison Interface): Document output files. Move documentation
3686 of parser class and merge into Java Parser Interface. Document
3687 features that error out. Document directives with no effect.
3688 Move note about Javadoc higher.
3689 (Java Semantic Values): Explicitly mention stype.
3690 Document that generic types cannot be used.
3691 (Java Location Values): Use @deftypeivar. Document constructors.
3692 Correct return value for toString.
3693 (Java Parser Interface): List undocumented constants/fields.
3694 Move documentation of fields added by %parse-param closer to list
3695 of members. Document that token names are added as fields.
3696 Document constructors accurately. Remove error method.
3697 (Java Scanner Interface): Move note on %pure-parser to Java Bison
3698 Interface. Describe %code lexer and yylex accutately.
3699 Remove documentation that does not match the code.
3700 (Java Action Features): New.
3701 (Java Differences): Add reference. Add item on semantic values.
3702 Add note about @{ ... @}. Clarify %% epilogue placement.
3703 (Java Declarations Summary): New.
3704
3705 Fix Java skeleton.
3706 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
3707 (b4_remove_comma): Quote test argument.
3708 (b4_identification): Remove "bison" field.
3709 * tests/java.at (Java parser class and package names): New test.
3710 (Java %parse-param and %lex-param): New test.
3711 (Java stype, position_class and location_class): New test.
3712
3713 2008-10-31 Di-an Jan <dianj@freeshell.org>
3714
3715 * data/lalr1.jave: Update copyright years.
3716 (YYParser): Correct name of "generated from" file in Javadoc:
3717 use b4_file_name instead of @ofile@.
3718 (Location constructor): Correct Javadoc parameter name.
3719 (yylloc): Add missing opening m4 quote after b4_location_if.
3720 This removes a stray [ in the Javadoc of Lexer.getStartPos.
3721 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
3722 (YYParser constructor): Correct Javadoc parameter name.
3723
3724 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
3725
3726 Always put auxiliary code files in the same dir as other output files.
3727 * src/files.c (compute_file_name_parts): When the user specifies
3728 --output but not --file-prefix, extract the directory prefix from the
3729 file prefix not from the grammar file name. This affects the location
3730 of files like location.hh generated by the C++ skeleton. The includes
3731 in the other output files require this fix.
3732 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
3733 for expected output files.
3734 (Output files): Add a test for the above.
3735
3736 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
3737
3738 * gnulib: Update submodule to HEAD.
3739
3740 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3741
3742 Update copyright year.
3743 * src/files.c: Here.
3744
3745 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
3746
3747 Don't overwrite the input file.
3748 * src/files.c (output_file_name_check): Fatal error if using input file
3749 for output.
3750 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
3751 argument.
3752 (Conflicting output files): Add test.
3753
3754 2008-10-28 Akim Demaille <demaille@gostai.com>
3755
3756 Space changes.
3757 * data/lalr1.cc: Formatting changes.
3758
3759 2008-10-28 Akim Demaille <demaille@gostai.com>
3760
3761 Don't define debugging functions when !YYDEBUG.
3762 * data/lalr1.cc (debug_stream, set_debug_stream)
3763 (debug_level_type, debug_level, set_debug_level): Don't
3764 declare them when YYDEBUG is not defined.
3765 The implementation are already YYDEBUG-aware.
3766
3767 2008-10-28 Akim Demaille <demaille@gostai.com>
3768
3769 Prefer "continue" for empty loop bodies.
3770 * etc/bench.pl.in: Use "continue" instead of {}.
3771
3772 2008-10-28 Akim Demaille <demaille@gostai.com>
3773
3774 Space and comments changes.
3775 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
3776 * data/c.m4, data/lalr1.cc: Space changes.
3777
3778 2008-10-28 Akim Demaille <demaille@gostai.com>
3779
3780 Make gnulib a submodule.
3781 * gnulib: New.
3782 * .gitmodules (gnulib): New.
3783
3784 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
3785
3786 Fix yyerror_range for user-defined location type in C++. Reported by
3787 Georg Sauthoff at
3788 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
3789 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
3790 * THANKS (Georg Sauthoff): Add.
3791
3792 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
3793
3794 Update several administrative files mainly to facilitate releasing.
3795 * HACKING (Administrivia): Make the git-merge-changelog notes more
3796 helpful.
3797 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
3798 (Release Procedure): Update for git and add numerous details that were
3799 previously missing.
3800 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
3801 * maint.mk (announcement): Don't list bison as a bootstrap tool so
3802 that announcements don't claim we bootstrapped with whatever bison
3803 happened to be in PATH. Add flex as a bootstrap tool.
3804 * Makefile.maint: Remove, previously replaced by maint.mk.
3805 * Makefile.cfg: Remove, and migrate settings to...
3806 * cfg.mk: ... here for the sake of `make announcement'.
3807 * bootstrap.conf (gnulib_modules): Add announce-gen.
3808 * README: Say GNU Bison instead of just Bison. Suggested by Karl
3809 Berry.
3810
3811 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
3812
3813 Small but important bugfixes for the Java skeleton.
3814 * data/lalr1.java (yyerror): Change Location to b4_location_type.
3815 (yy_symbol_print): Call toString on yyvaluep.
3816
3817 2008-08-29 Akim Demaille <demaille@gostai.com>
3818
3819 Clarify UPDATED use.
3820 * doc/bison.texinfo: It refers to the last edition of this file,
3821 not to the release date of Bison.
3822 Reported by Joel E. Denny.
3823
3824 2008-08-29 Akim Demaille <demaille@gostai.com>
3825
3826 * README: Update FAQ pointer.
3827 Reported by Joel E. Denny.
3828
3829 2008-08-27 Eric Blake <ebb9@byu.net>
3830
3831 Resync m4sugar from autoconf.
3832 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
3833 (m4_init): Adjust to latest m4.git changes.
3834 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
3835 effects.
3836 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
3837 (_m4_list_cmp): Reduce side effects.
3838
3839 2008-08-27 Akim Demaille <demaille@gostai.com>
3840
3841 Check yyerrok in calc.at.
3842 * tests/calc.at (calc.y): Use yyerrok on "( error )".
3843 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
3844 expected.
3845
3846 2008-08-27 Akim Demaille <demaille@gostai.com>
3847
3848 Support yyerrok in lalr1.cc.
3849 YYBACKUP is still to import back into lalr1.cc.
3850 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
3851
3852 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
3853
3854 For maintainer-check*, don't recompile for a $(VERSION) update.
3855 * cfg.mk: New file.
3856 (_is-dist-target): Override the one in GNUmakefile.
3857 * Makefile.am (EXTRA_DIST): Add cfg.mk.
3858
3859 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
3860
3861 Update for recent change to gnulib.
3862 * src/parse-gram.y: Don't include strverscmp.h. It comes from
3863 string.h now.
3864
3865 2008-08-15 Eric Blake <ebb9@byu.net>
3866
3867 Remaining m4sugar merge from autoconf.
3868 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
3869 * data/m4sugar/foreach.m4: New file, copied from autoconf.
3870 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
3871 * src/output.c (output_skeleton): Tell m4 how to find it.
3872
3873 Partial m4sugar merge from autoconf: m4_map.
3874 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
3875 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
3876 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
3877 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
3878 for empty list.
3879 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
3880 Likewise.
3881 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
3882 declares it.
3883
3884 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
3885
3886 Keep .version and PACKAGE_VERSION in sync.
3887 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
3888 dependency, and add comments justifying this in more detail. Discussed
3889 starting at
3890 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
3891
3892 2008-08-06 Eric Blake <ebb9@byu.net>
3893
3894 Partial m4sugar merge from autoconf: m4_shiftn.
3895 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
3896 (m4_shift2, m4_shift3): New macros.
3897 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
3898 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
3899 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
3900 * data/java.m4 (b4_remove_comma): Likewise.
3901
3902 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
3903 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
3904 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
3905 (m4_init): Consolidate wrapped text into single m4_wrap.
3906 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
3907 in wrapped text.
3908
3909 2008-08-05 Eric Blake <ebb9@byu.net>
3910
3911 Partial m4sugar merge from autoconf: builtins, version.m4.
3912 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
3913 (m4_prepend): Remove, as it is unused and inherently quadratic,
3914 whereas m4_append is linear in newer m4.
3915 (m4_mkstemp): New builtin.
3916 (m4_symbols): Make rename conditional.
3917 (m4_version_prereq): Ensure fatal error if used in bison, which
3918 intentionally lacks version.m4.
3919
3920 Fix comments in m4sugar.
3921 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
3922
3923 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3924
3925 Update for recent .gitignore fix in Gnulib.
3926 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
3927 anchored .gitignore entries.
3928
3929 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
3930
3931 Set gnu or gnits strictness.
3932 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
3933 development and gnits strictness for releases. Based on Eric Blake's
3934 suggestion at
3935 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
3936
3937 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3938
3939 * NEWS: Clarify documentation of %language.
3940
3941 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
3942
3943 Support usage of git-merge-changelog.
3944 * .gitattributes: New.
3945 * HACKING: Document usage of git-merge-changelog.
3946 * bootstrap: Install git-merge-changelog entries in .git/config
3947 if appropriate.
3948
3949 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3950
3951 Remove remaining dependence on CVS Id keyword.
3952 * ChangeLog: For the sake of people still using CVS, don't use dollars
3953 when mentioning Id.
3954 * data/xslt/bison.xsl: Remove Id from header comments, where it was
3955 unusual anyway.
3956 * data/xslt/xml2dot.xsl: Likewise.
3957 * data/xslt/xml2text.xsl: Likewise.
3958 * data/xslt/xml2xhtml.xsl: Likewise.
3959 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
3960 * doc/Makefile.am (neutralize): Remove, no longer needed.
3961 (.x.1): Don't use neutralize.
3962 (edit): Don't substitute for ID.
3963 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
3964
3965 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3966
3967 Fix dependence on computed configure variables.
3968 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
3969 $(top_srcdir)/configure.ac so that changes to computed variables, such
3970 as PACKAGE_VERSION, are seen.
3971 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
3972
3973 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
3974
3975 Update copyright dates for recent changes.
3976 * Makefile.am: Here.
3977 * src/Makefile.am: Here.
3978 * src/reduce.c: Here.
3979 * tests/reduce.at: Here.
3980
3981 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
3982
3983 Use git-version-gen for version names between releases.
3984 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
3985 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
3986 * .prev-version: New.
3987 * .version.in: Remove.
3988 * ChangeLog: Remove the Id previously used for capturing the CVS
3989 revision.
3990 * GNUmakefile: Remove, now copied from Gnulib.
3991 * Makefile.am: Add code suggested by comments in
3992 build-aux/git-version-gen.
3993 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
3994 .prev-version, and .version.
3995 * NEWS (2.3b+): Rename to...
3996 (?.?): ... this because we're dropping the "+" version naming scheme,
3997 but, in general, we still can't be sure of our next release name.
3998 * bootstrap: Add a quick hack to remove from .gitignore the
3999 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
4000 entry. This should really be fixed in gnulib instead.
4001 * bootstrap.conf (gnulib_modules): Add gnumakefile.
4002 * configure.ac (AC_INIT): Set version name by invoking
4003 build-aux/git-version-gen.
4004 (AC_CONFIG_FILES): Remove .version, now generated by
4005 build-aux/git-version-gen.
4006 * maint.mk: New, copied from coreutils.
4007 * doc/.cvsignore (bison.1): Add.
4008 * doc/.gitignore (/bison.1): Add.
4009 * doc/bison.1: Remove, generated.
4010 * src/.cvsignore (revision.c): Remove.
4011 * src/.gitignore (/revision.c): Remove.
4012 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
4013 (BUILT_SOURCES): Remove revision.c.
4014 (revision.c): Remove.
4015 * src/getargs.c (version): Don't print revision after the VERSION.
4016 * src/revision.h: Remove.
4017
4018 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
4019
4020 Fix untranslatable composition of sentences. Reported by Goran
4021 Uddeborg at
4022 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
4023 * THANKS (Goran Uddeborg): Add.
4024 * src/reduce.c (reduce_print): Report the number of nonterminals and
4025 rules useless in the grammar in separate sentences.
4026 * tests/reduce.at (Useless Rules): Update output.
4027 (Reduced Automaton): Likewise.
4028 (Underivable Rules): Likewise.
4029 (Empty Language): Likewise.
4030
4031 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
4032
4033 Fix some .gitignore and .cvsignore problems.
4034 * bootstrap (insert_sorted_if_absent): Replace all uses with...
4035 (insert_vc_ignore): ... this new function, which prepends `/' to all
4036 .gitignore entries before passing them to insert_sorted_if_absent.
4037 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
4038 .cvsignore files are maintained even though Bison developers run
4039 bootstrap while using Git.
4040 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
4041 unneeded by Bison.
4042 (gnulib): Add.
4043 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
4044 unneeded. Reported by Eric Blake.
4045 * lib/.gitignore (/*~): Add.
4046 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
4047 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
4048 Blake.
4049 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
4050
4051 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
4052
4053 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
4054 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
4055 * bootstrap.conf (gnulib_modules): Add unsetenv.
4056 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
4057 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
4058 (/setenv.m4): Add.
4059 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
4060 the first argument because it may become position-dependent, and unset
4061 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
4062 Add comments explaining these issues in more detail.
4063
4064 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
4065
4066 Add .gitignore everywhere based on .cvsignore.
4067 * .gitignore: New.
4068 * build-aux/.gitignore: New.
4069 * data/.gitignore: New.
4070 * doc/.gitignore: New.
4071 * etc/.gitignore: New.
4072 * examples/.gitignore: New.
4073 * examples/calc++/.gitignore: New.
4074 * lib/.gitignore: New.
4075 * m4/.gitignore: New.
4076 * po/.gitignore: New.
4077 * runtime-po/.gitignore: New.
4078 * src/.gitignore: New.
4079 * tests/.gitignore: New.
4080
4081 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
4082
4083 * NEWS (2.3b+): New section, empty for now.
4084 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
4085
4086 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
4087
4088 * NEWS (2.3b): Update release date since there has been a delay in
4089 getting the announcements and tarballs out.
4090
4091 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
4092
4093 * NEWS: Version 2.3b.
4094 * configure.ac (AC_INIT): Likewise.
4095 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
4096
4097 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
4098
4099 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
4100 been doing it for years.
4101 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
4102 (Release Procedure): Add FIXME about make alpha being unmaintained.
4103
4104 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
4105
4106 * data/yacc.c: Reformat m4 a little for readability.
4107 * src/lalr.c (build_relations): Correct comment.
4108
4109 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4110
4111 DJGPP specific issue.
4112 * djgpp/config.sed: Fixes required to run configure scripts generated
4113 by autoconf 2.62.
4114
4115 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
4116
4117 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
4118 coordinator@translationproject.org.
4119
4120 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
4121
4122 * THANKS: Add Eric Blake.
4123
4124 2008-04-23 Eric Blake <ebb9@byu.net>
4125
4126 Revert prior patch, by working around autoconf regression.
4127 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
4128 ("Output file name: ("): Uncomment test.
4129 ("Output file name: )"): Likewise.
4130 Based on an idea from Noah Misch.
4131
4132 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
4133
4134 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
4135 2.61. Reported by Juan Manuel Guerrero at
4136 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
4137 * tests/output.at ("Output file name: ("): Comment out test case for
4138 now.
4139 ("Output file name: )"): Likewise.
4140
4141 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
4142
4143 * GNUmakefile: Update git-version-gen invocation so make dist
4144 succeeds.
4145
4146 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
4147
4148 Update to the current gnulib CVS repository, and fix trigraph handling
4149 in Bison.
4150 * bootstrap: Update gnulib CVS repository URL.
4151 (symlink_to_dir): Encapsulate the code that guarantees the destination
4152 directory exists into...
4153 (check_dst_dir): ... this new function, and...
4154 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
4155 fail when copying files into lib/uniwidth/.
4156 * src/output.c (prepare_symbols): When writing yytname muscles, where
4157 symbol names will be encoded in C-string literals, tell quotearg to
4158 escape trigraphs. This used to be the default in gnulib.
4159 * tests/regression.at (Token definitions): Because of the change in
4160 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
4161 escapes trigraphs in symbol names. Thus, yytname no longer has
4162 trigraphs unnecessarily doubly escaped. Update test case output.
4163 Extend test case to be sure Bison's own error messages will no longer
4164 have trigraphs in symbol names unnecessarily escaped once.
4165
4166 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
4167
4168 Fix make dist infinite loop reported by Juan Manuel Guerrero at
4169 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
4170 * .cvsignore: Add .version.
4171 * .version.in: New.
4172 * bootstrap.conf (gnulib_modules): Add git-version-gen.
4173 * configure.ac (AC_CONFIG_FILES): Add .version.
4174 * build-aux/.cvsignore: Add git-version-gen.
4175
4176 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
4177
4178 * NEWS (2.3a+): Mention that -g now takes an argument.
4179 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
4180 consistency. Update the -g and -x entries now that they take
4181 arguments. Use brackets to indicate optional arguments.
4182 * src/getargs.c (usage): Explain the relationship between arguments of
4183 long and short options more completely. Document --defines and -d
4184 separately since the former takes an argument but, for POSIX Yacc, the
4185 latter does not.
4186 (short_options): Let -W take an optional argument like --warnings.
4187 (getargs): Sort cases.
4188
4189 2008-02-28 Akim Demaille <demaille@gostai.com>
4190
4191 * doc/bison.texinfo: Fix a few typos.
4192
4193 2008-02-28 Akim Demaille <akim@epita.fr>
4194
4195 * doc/bison.texinfo (Bison Options): Document -W.
4196 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
4197
4198 2008-02-28 Akim Demaille <akim@epita.fr>
4199
4200 * src/getargs.c (short_options): Split and sort for readability.
4201 -g and -x take optional arguments, just like their long options.
4202 * build-aux/cross-options.pl: Use /x to make the regexp easier to
4203 understand.
4204 Fix the handling of $opt which resulted in all the argument to be
4205 considered as optional.
4206
4207 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
4208
4209 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
4210 say its interface is experimental.
4211 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
4212 Java.
4213 (Bison Options): In the -L and --language entry, mention Java.
4214 (Java Bison Interface): Say the interface is experimental.
4215 * src/getargs.c (usage): Mention -L and --language.
4216
4217 * NEWS (2.3a+): Say the push parsing interface is experimental.
4218 * doc/bison.texinfo (Push Decl): Likewise.
4219 (Decl Summary): Likewise in the "%define api.push_pull" entry.
4220 (Push Parser Function): Likewise.
4221 (Pull Parser Function): Likewise.
4222 (Parser Create Function): Likewise.
4223 (Parser Delete Function): Likewise.
4224 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
4225 yypull_parse, and yypush_parse entries.
4226
4227 * NEWS (2.3a+): Mention XML support, and say the schema is
4228 experimental.
4229 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
4230 * src/getargs.c (usage): Say the XML schema is experimental.
4231
4232 * NEWS (2.3a+): Say option instead of flag.
4233
4234 2008-02-21 Wojciech Polak <polak@gnu.org>
4235
4236 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
4237 text.
4238
4239 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
4240
4241 Fix impure push parser compile error reported by Bob Rossi at
4242 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
4243 * data/yacc.c: Clean up whitespace in the output a little.
4244 (yypstate_allocated): Define for impure push parsers regardless of
4245 whether the pull interface is also requested.
4246 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
4247 check impure push parsers without the pull interface.
4248
4249 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
4250 yyerror takes arguments specified by %parse-param while yypstate_new
4251 does not.
4252 * doc/bison.texinfo (Parser Create Function): Document that
4253 yypstate_new returns 0 for multiple impure parser instances.
4254 * tests/push.at (Push Parsing: Multiple impure instances): Update
4255 expected stderr output.
4256
4257 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
4258
4259 * runtime-po/POTFILES.in (push.c): Remove.
4260
4261 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
4262
4263 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
4264 * data/push.c: Rename to...
4265 * data/yacc.c: ... this, overwriting it.
4266 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
4267 `%push-pull-parser' -> `%define api.push_pull "both"'.
4268 Remove old yacc.c tests, and update push.c tests to yacc.c.
4269
4270 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
4271
4272 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
4273 `"%code top" blocks' instead of `%code "top" blocks'.
4274 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
4275 Clean up whitespace in the output a little.
4276
4277 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
4278
4279 Fix documentation problems reported by Tim Josling at
4280 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
4281 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
4282 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
4283 integers. Explain the effect of literal string aliases on error
4284 messages. Copy token 0 documentation from the C++ skeleton
4285 documentation.
4286
4287 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
4288
4289 Accept a token number in a %left, %right, or %nonassoc for POSIX
4290 conformance. Reported by Tim Josling at
4291 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
4292 * NEWS (2.3a+): Mention.
4293 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
4294 and code numbers are treated by precedence declarations.
4295 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
4296 of symbols.1.
4297 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
4298 of symbol.
4299 (symbol.prec): New, just like symbol but allows INT.
4300 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
4301 longer holds.
4302 * tests/regression.at (Token number in precedence declaration): New
4303 test case.
4304
4305 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4306
4307 DJGPP specific issues.
4308 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
4309 be changed. Copyright timestamp adjusted.
4310 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
4311 be changed. Copyright timestamp adjusted.
4312 * djgpp/config.site: Copyright timestamp adjusted.
4313 * djgpp/config_h.sed: Copyright timestamp adjusted.
4314 * djgpp/djunpack.bat: Copyright timestamp adjusted.
4315 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
4316 filename translation list.
4317 * djgpp/subpipe.c (init_subpipe): Check the environment variables
4318 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
4319 files shall be created. Before trying to use the temp dir where the
4320 environment variable points to check that the dir really exists. If
4321 not default to the cwd as temp dir. Copyright timestamp adjusted.
4322 * djgpp/subpipe.h: Copyright timestamp adjusted.
4323 * djgpp/testsuite.sed: Copyright timestamp adjusted.
4324
4325 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
4326
4327 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
4328
4329 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
4330
4331 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
4332 Problem reported by Claudio Saavedra in
4333 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
4334
4335 2008-01-05 Wojciech Polak <polak@gnu.org>
4336
4337 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
4338 document's title with the input grammar file name.
4339
4340 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
4341
4342 Automate regression testing of the XML/XSLT implementation. Discussed
4343 starting at
4344 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
4345 * configure.ac (XSLTPROC): New substitution.
4346 * Makefile.am (maintainer-xml-check): New phony target invoking...
4347 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
4348 invoking make maintainer-check with BISON_TEST_XML=1.
4349 * tests/atlocal.in (XSLTPROC): New.
4350 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
4351 not to report reachable memory when Bison is expected to have a
4352 non-zero exit status and (2) to compare XML/XSLT output with --graph
4353 and --report=all output for every working grammar when
4354 BISON_TEST_XML=1.
4355 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
4356 (AT_BISON_CHECK_XML): New.
4357 (AT_QUELL_VALGRIND): New.
4358 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
4359 (AT_CHECK): ... don't redefine this since this was the old way to
4360 quell Valgrind.
4361 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
4362 AT_BISON_CHECK invocations.
4363 * tests/c++.at: Likewise.
4364 * tests/calc.at: Likewise.
4365 * tests/conflicts.at: Likewise.
4366 * tests/cxx-type.at: Likewise.
4367 * tests/existing.at: Likewise.
4368 * tests/glr-regression.at: Likewise.
4369 * tests/headers.at: Likewise.
4370 * tests/input.at: Likewise.
4371 * tests/java.at: Likewise.
4372 * tests/output.at: Likewise.
4373 * tests/push.at: Likewise.
4374 * tests/reduce.at: Likewise.
4375 * tests/regression.at: Likewise.
4376 * tests/sets.at: Likewise.
4377 * tests/skeletons.at: Likewise.
4378 * tests/synclines.at: Likewise.
4379 * tests/torture.at: Likewise.
4380 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
4381 tends to hang xsltproc.
4382 (Big horizontal): Likewise.
4383
4384 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
4385
4386 In XML output, remove redundant class attribute on symbol element.
4387 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
4388 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
4389 look up a symbol to determine whether it's a nonterminal or terminal.
4390 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
4391 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
4392
4393 Add prec/assoc information to XML output.
4394 * src/gram.c (grammar_rules_print_xml): For each rule that has a
4395 %prec, add a percent_prec attribute.
4396 * src/print-xml.c (print_grammar): For each terminal that has a
4397 precedence or associativity, add a prec or assoc attribute.
4398 (xml_indent): New.
4399 (xml_puts): Use xml_indent.
4400 (xml_printf): Use xml_indent.
4401 * src/print-xml.h (xml_indent): Prototype.
4402
4403 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
4404 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
4405
4406 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
4407
4408 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
4409 (bison:ruleByNumber): ... this for clarity.
4410 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
4411 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
4412 (xsl:template match="reduction"): Update.
4413 (xsl:template match="item"): Update.
4414 (xsl:template match="reduction"): Update.
4415
4416 In the XML output, don't print the list of rules where symbols appear.
4417 Compute it in XSLT instead. Discussed at
4418 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
4419 * data/xslt/bison.xsl (bison:ruleByLhs): New.
4420 (bison:ruleByRhs): New.
4421 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
4422 bison:ruleByRhs.
4423 (xsl:template match="terminal/rule"): Remove.
4424 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
4425 bison:ruleByRhs.
4426 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
4427 Remove.
4428 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
4429 bison:ruleByRhs and mode="number-link" for rule template.
4430 (xsl:template match="terminal/rule"): Remove.
4431 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
4432 bison:ruleByRhs and mode="number-link" for rule template.
4433 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
4434 Rewrite as...
4435 (xsl:template match="rule" mode="number-link"): ... this.
4436 * src/print-xml.c (print_grammar): Don't print the list of rules.
4437
4438 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
4439
4440 Don't let --report affect XML output; always print all information.
4441 Discussed at
4442 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
4443 * src/conflicts.c (log_resolution): Implement.
4444 * src/print-xml.c (print_core): Implement.
4445 (print_state): Implement.
4446 (print_xml): Implement.
4447
4448 * NEWS (2.3a+): Fix quotes.
4449 * src/parse-gram.y (prologue_declaration): For consistency with -v,
4450 don't let %verbose clear the list specified by --report.
4451
4452 2007-11-26 Akim Demaille <akim@epita.fr>
4453
4454 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
4455
4456 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
4457
4458 In the XML output, list useless and unused symbols and rules with the
4459 useful ones and add a "usefulness" attribute. Discussed starting at
4460 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
4461 * src/gram.c (grammar_rules_partial_print_xml): Remove.
4462 (grammar_rules_print_xml): Print all rules instead of just those
4463 useful in the grammar, and add a "usefulness" attribute.
4464 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
4465 * src/print-xml.c (print_rules_useless_in_parser): Remove.
4466 (print_grammar): Print all nonterminals instead of just useful ones,
4467 and add a "usefulness" attribute to nonterminals and terminals.
4468 (print_xml): Don't print a separate "reductions" or
4469 "rules-useless-in-parser" element.
4470 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
4471 (reduce_xml): Remove.
4472 (reduce_token_unused_in_grammar): New.
4473 (reduce_nonterminal_useless_in_grammar): New.
4474 * src/reduce.h (reduce_xml): Remove prototype.
4475 (reduce_token_unused_in_grammar): Add prototype.
4476 (reduce_nonterminal_useless_in_grammar): Add prototype.
4477 * data/xslt/xml2text.xsl: Update for XML changes.
4478 * data/xslt/xml2xhtml.xsl: Update for XML changes.
4479 * tests/reduce.at (Useless Terminals): Update output.
4480 (Useless Rules): Update output.
4481 (Reduced Automaton): Update output.
4482
4483 Say "Terminals unused in grammar" instead of "Unused terminals".
4484 * NEWS (2.3a+): Update.
4485 * doc/bison.texinfo (Understanding): Update example output.
4486 * src/reduce.c (reduce_output): Implement.
4487 * data/xslt/xml2text.xsl: Implement.
4488 * data/xslt/xml2xhtml.xsl: Implement.
4489
4490 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
4491
4492 Accept --report-file=FILE to override the default `.output' filename.
4493 * NEWS (2.3a+): Mention.
4494 * doc/bison.texinfo (Bison Options): Add an entry.
4495 * src/files.c (compute_output_file_names): Don't override
4496 spec_verbose_file if already set.
4497 * src/getargs.c (usage): Document --report-file.
4498 (REPORT_FILE_OPTION): New anonymous enum member.
4499 (long_options): Add entry for it.
4500 (getargs): Add case for it setting spec_verbose_file.
4501
4502 * build-aux/cross-options.pl: Don't record a short option just because
4503 there's an arg.
4504 * doc/.cvsignore: Add yacc.1.
4505
4506 2007-11-14 Akim Demaille <akim@epita.fr>
4507
4508 * doc/yacc.1.in: New.
4509 * configure.ac, doc/Makefile.am: Adjust.
4510 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
4511 config.h symbol.
4512 Use AC_SUBST for assignments too.
4513 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
4514
4515 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
4516
4517 * src/gram.c: Remove comments that duplicate comments in gram.h.
4518
4519 When reporting useless rules and nonterminals, say "useless in grammar"
4520 instead of "useless", and say "useless in parser" instead of "never
4521 reduced". Discussed starting at
4522 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
4523 * NEWS (2.3a+): Mention this change.
4524 * data/xslt/xml2text.xsl: Update output text and expected input XML
4525 element names to match changes below.
4526 * data/xslt/xml2xhtml.xsl: Likewise.
4527 (xsl:template match="bison-xml-report"): Add missing entry in Table of
4528 Contents: "Rules useless in parser due to conflicts".
4529 * doc/bison.texinfo (Decl Summary): Reword a little.
4530 (Understanding): Update example output for changes below.
4531 * src/gram.c: (rule_useful_p): Rename to...
4532 (rule_useful_in_grammar_p): ... this.
4533 (rule_useless_p): Rename to...
4534 (rule_useless_in_grammar_p): ... this.
4535 (rule_never_reduced_p): Rename to...
4536 (rule_useless_in_parser_p): ... this.
4537 (grammar_rules_print): Update for renames.
4538 (grammar_rules_print_xml): Update for renames.
4539 (grammar_rules_never_reduced_report): Rename to...
4540 (grammar_rules_useless_report): ... this since it is used for either
4541 kind of useless rule.
4542 * src/gram.h: Reword comments and update function names in prototypes.
4543 * src/main.c (main): Say "rule useless in parser due to conflicts".
4544 * src/print-xml.c (print_rules_never_reduced): Rename to...
4545 (print_rules_useless_in_parser): ... this, and rename output XML
4546 element "rules-never-reduced" to "rules-useless-in-parser".
4547 (print_xml): Update for rename.
4548 * src/print.c (print_results): Say "Rules useless in parser due to
4549 conflicts".
4550 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
4551 (nonterminals_reduce): Say "nonterminal useless in grammar".
4552 (reduce_output): Say "Nonterminals useless in grammar".
4553 Say "Rules useless in grammar".
4554 (reduce_xml): Rename output XML element "useless" to
4555 "useless-in-grammar".
4556 (reduce_print): Don't report the count of grammatically useless rules
4557 as "rules never reduced" just because %yacc is specified.
4558 In the correct report of this count, say nonterminal(s) and rule(s)
4559 "useless in grammar".
4560 * tests/conflicts.at (S/R in initial): Update expected output.
4561 (Defaulted Conflicted Reduction): Likewise.
4562 (Unreachable States After Conflict Resolution): Likewise.
4563 * tests/existing.at (GNU pic Grammar): Likewise.
4564 * tests/reduce.at (Useless Nonterminals): Likewise.
4565 (Useless Rules): Likewise.
4566 (Reduced Automaton): Likewise.
4567 (Underivable Rules): Likewise.
4568 (Empty Language): Likewise.
4569
4570 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
4571
4572 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
4573 here document and before the EOF so that BSD's implementation of Bourne
4574 shell doesn't parse the delimiter as part of the here document.
4575 * doc/.cvsignore: Add cross-options.texi.
4576 * src/getargs.c (usage): Add a blank line after the warning categories.
4577
4578 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
4579
4580 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
4581
4582 2007-11-05 Akim Demaille <akim@epita.fr>
4583
4584 Remove Id: from bison.1.
4585 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
4586 (perl -0777 -pi -e 's/\.PP\nId): New.
4587 (.x.1): Use it to ignore the version control revision.
4588
4589 2007-11-05 Akim Demaille <demaille@gostai.com>
4590
4591 * build-aux/Makefile.am: Ship cross-options.pl.
4592 * doc/Makefile.am: Always refer to cross-options.texi with
4593 $(srcdir).
4594 (MAINTAINERCLEANFILES): Add it.
4595
4596 2007-11-04 Akim Demaille <demaille@gostai.com>
4597
4598 Generate the long/short option cross-table.
4599 * build-aux/cross-options.pl: New.
4600 * doc/Makefile.am (cross-options.texi): New.
4601 * doc/bison.texinfo: Use it.
4602
4603 2007-11-04 Akim Demaille <demaille@gostai.com>
4604
4605 Generate bison.1 using help2man.
4606 * doc/common.x, doc/bison.x: New.
4607 * doc/Makefile.am (bison.1, .x.1): New.
4608 The code is taken from autoconf-2.61/man/Makefile.am.
4609 * configure.ac: Look for help2man.
4610
4611 2007-11-04 Akim Demaille <demaille@gostai.com>
4612
4613 Complete --help.
4614 * src/getargs.c (usage): Document -W, make it clear that -d,
4615 -g and -x have optional arguments.
4616
4617 2007-11-04 Akim Demaille <demaille@gostai.com>
4618
4619 Find sha1sum when named gsha1sum.
4620 * bootstrap (find_tool): New.
4621 ($SHA1SUM): New.
4622
4623 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
4624
4625 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
4626 at
4627 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
4628 * NEWS (2.3a+): Mention.
4629 * data/bison.m4 (b4_pure_if): Don't define it here.
4630 * data/c.m4 (b4_identification): Depend on individual skeletons to
4631 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
4632 values of the %define variables api.pure or api.push_pull. Define
4633 YYPURE, YYPUSH, and YYPULL accordingly.
4634 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
4635 glr.cc has already defined b4_pure_flag.
4636 * data/push.c: Define b4_pure_if based on `%define api.pure'.
4637 Remove YYPUSH and YYPULL since they're back in b4_identification again.
4638 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
4639 * doc/bison.texinfo (Pure Decl): Update.
4640 (Push Decl): Update.
4641 (Decl Summary): Add api.pure to %define entry.
4642 In %pure-parser entry, say it's deprecated and reference %define.
4643 (Pure Calling): Update.
4644 (Error Reporting): Update.
4645 (C++ Scanner Interface): Update.
4646 (How Can I Reset the Parser): Update.
4647 (Table of Symbols): In %pure-parser entry, say it's deprecated and
4648 reference %define.
4649 * src/getargs.c (pure_parser): Remove global variable.
4650 * src/getargs.h (pure_parser): Remove extern.
4651 * src/output.c (prepare): Don't define pure_flag muscle.
4652 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
4653 wrapper around `%define api.pure'.
4654 * tests/calc.at (Simple LALR Calculator): Update.
4655 (Simple GLR Calculator): Update.
4656 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
4657 Update.
4658 (GLR: Resolve ambiguity, pure, locations): Update.
4659 (GLR: Merge conflicting parses, pure, no locations): Update.
4660 (GLR: Merge conflicting parses, pure, locations): Update.
4661 * tests/glr-regression.at (Uninitialized location when reporting
4662 ambiguity): Update
4663 * tests/input.at (Unused %define api.pure): New test case.
4664 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
4665 AT_PURE_IF and AT_PURE_AND_LOC_IF.
4666 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
4667
4668 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
4669
4670 %define push_pull -> %define api.push_pull. Discussed starting at
4671 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
4672 * data/push.c: Expect the new name.
4673 * data/yacc.c: Likewise.
4674 * doc/bison.texinfo (Push Decl): Update.
4675 (Decl Summary): Update %define entry.
4676 (Push Parser Function): Update.
4677 (Pull Parser Function): Update.
4678 (Parser Create Function): Update.
4679 (Parser Delete Function): Update.
4680 * tests/calc.at (Simple LALR Calculator): Update.
4681 * tests/input.at (%define enum variables): Update.
4682 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
4683 (Push Parsing: Multiple impure instances): Update.
4684 (Push Parsing: Unsupported Skeletons): Update.
4685 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
4686 (Exploding the Stack Size with Malloc): Update.
4687
4688 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
4689 other entries some.
4690
4691 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
4692
4693 For the XML output's terminal element, rename @number to @token-number,
4694 and add @symbol-number. In the nonterminal element, rename @number to
4695 @symbol-number. Discussed starting at
4696 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
4697 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
4698 renames.
4699 (xsl:template match="nonterminal"): Likewise.
4700 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
4701 (xsl:template match="nonterminal"): Likewise.
4702 * src/print-xml.c (print_grammar): Implement.
4703
4704 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
4705
4706 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
4707 2007-10-11 change, the child elements here are items not rules.
4708 (xsl:template match="item"): New.
4709 (xsl:template match="rule"): Update for new reduced itemset.
4710 (xsl:template match="point"): Remove.
4711 (xsl:template match="empty"): For consistency with --graph, don't
4712 output "/* empty */".
4713 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
4714 line-wrap, don't pass a negative value as first-line-length since this
4715 won't work with the following changes.
4716 (xsl:template name="line-wrap"): Simplify slightly.
4717 (xsl:template name="ws-search"): Eliminate recursion.
4718 * src/print_graph.c (print_core): Don't print a reduction's lookahead
4719 set next to an item whose dot is not at the end of the RHS even if it
4720 happens to be associated with the same rule.
4721
4722 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
4723
4724 Add %define lr.keep_unreachable_states.
4725 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
4726 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
4727 * src/main.c (main): Implement it.
4728 * tests/conflicts.at (Unreachable States After Conflict Resolution):
4729 Extend to test it, and fix a typo.
4730
4731 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
4732
4733 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
4734 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
4735 the example .output text.
4736 * tests/regression.at (Extra lookahead sets in report): Improve wording
4737 of comments.
4738
4739 2007-10-17 Wojciech Polak <polak@gnu.org>
4740
4741 * src/print-xml.c (print_grammar): Renamed
4742 <terminal> and <nonterminal> attributes:
4743 "type" to "number" and "symbol" to "name".
4744 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
4745 Use new attribute names.
4746 (xsl:template match="nonterminal"): Likewise.
4747 * data/xslt/xml2xhtml.xsl: Likewise.
4748
4749 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
4750
4751 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
4752 (Option Cross Key): Likewise.
4753
4754 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
4755 next to an item whose dot is not at the end of the RHS even if it
4756 happens to be associated with the same rule.
4757 * src/print.c (print_core): Likewise.
4758 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
4759 (Resolved SR Conflicts): Update output.
4760 * tests/regression.at (Extra lookahead sets in report): New test case.
4761
4762 2007-10-11 Wojciech Polak <polak@gnu.org>
4763
4764 * src/print-xml.c (print_core): Remove item set
4765 redundancy.
4766 * data/xslt/bison.xsl (bison:ruleNumber): New key.
4767 Improve processing time. Suggested by Joel E. Denny.
4768 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
4769 Write xsl:param "required" attribute as comment.
4770 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
4771 (xsl:template match="rule"): Support new reduced itemset.
4772 (xsl:template match="point"): Remove.
4773 * data/xslt/xml2xhtml.xsl: Likewise.
4774
4775 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
4776
4777 * src/getargs.c (version): Update copyright year.
4778
4779 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
4780
4781 Make xml2dot.xsl and --graph produce the same output.
4782 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
4783 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
4784 escaped later.
4785 (xsl:template name="output-node"): Use the new escape template instead
4786 of the string-replace template directly.
4787 (xsl:template name="output-edge"): Likewise.
4788 (xsl:template name="escape"): New, escapes backslashes and newlines in
4789 addition to quotation marks.
4790 * src/graphviz.c (start_graph, output_node, output_edge): Add
4791 whitespace to output for legibility.
4792
4793 Make xml2text.xsl and --report produce the same output, and remove the
4794 XML "conflicts" element since a conflict summary is easily extracted
4795 from the automaton.
4796 * data/xslt/bison.xsl: New.
4797 (xsl:template match="state" mode="bison:count-conflicts): New.
4798 * data/xslt/xml2text.xsl: Import bison.xsl.
4799 (xsl:template match="bison-xml-report"): Instead of styling the
4800 "conflicts" element, style the "automaton" element with mode
4801 "conflicts". Unlike the former, the latter lists S/R and R/R
4802 conflicts for a state on the same line.
4803 (xsl:template match="conflicts"): Remove.
4804 (xsl:template match="conflict"): Remove.
4805 (xsl:template match="terminal"): Line-wrap the list of rules in which
4806 the terminal is used.
4807 (xsl:template match="nonterminal"): Likewise for nonterminals.
4808 (xsl:template match="automaton" mode="conflicts"): New.
4809 (xsl:template match="state" mode="conflicts"): New.
4810 (xsl:template name="line-wrap"): New.
4811 (xsl:template name="ws-search"): New.
4812 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
4813 (xsl:template match="bison-xml-report"): Instead of styling the
4814 "conflicts" element, style the "automaton" element with mode
4815 "conflicts."
4816 (xsl:template match="conflicts"): Remove.
4817 (xsl:template match="conflict"): Remove.
4818 (xsl:template match="automaton" mode="conflicts"): New.
4819 (xsl:template match="state" mode="conflicts): New.
4820 * src/conflicts.c (conflicts_output_xml): Remove.
4821 * src/conflicts.h (conflicts_output_xml): Remove prototype.
4822 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
4823 * src/print.c (print_grammar): Consistently wrap at the 66th column so
4824 the corresponding XSLT is easier. Also, never wrap between a word and
4825 the comma that follows it.
4826
4827 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
4828
4829 Improve C++ namespace support. Discussed starting at
4830 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
4831 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
4832 b4_namespace_close): New macros that interpret the %define variable
4833 "namespace" so its value can contain "::" to indicate nested
4834 namespaces.
4835 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
4836 the above macros.
4837 * data/lalr1.cc (b4_namespace): Likewise.
4838 * data/location.cc (b4_namespace): Likewise.
4839 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
4840 inside a new table in the general %define entry. Document `%define
4841 namespace' there as well. Point the %name-prefix entry to it since it
4842 explains it more completely in the case of C++.
4843 (C++ Bison Interface): Mention `%define namespace' instead of
4844 %name-prefix.
4845 (Table of Symbols): Remove the `%define push_pull' entry. The %define
4846 entry suffices.
4847 * tests/c++.at (Relative namespace references): New test case.
4848 (Absolute namespace references): New test case.
4849 (Syntactically invalid namespace references): New test case.
4850 * tests/input.at (C++ namespace reference errors): New test case.
4851
4852 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
4853
4854 Add syncline support and location accessor to internal %define
4855 interfaces.
4856 * data/bison.m4 (b4_percent_define_get_loc): New.
4857 (b4_percent_define_get_syncline): New.
4858 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
4859 (b4_percent_define_default): Record defining location as line 1 rather
4860 than 0 for the sake of synchronizing #line's, and define
4861 b4_percent_define_syncline(VARIABLE).
4862 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
4863 * src/muscle_tab.c (muscle_syncline_grow): New.
4864 (muscle_code_grow): Use muscle_syncline_grow.
4865 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
4866 define b4_percent_define_syncline(VARIABLE).
4867 (muscle_percent_define_get_loc): New.
4868 (muscle_percent_define_get_syncline): New.
4869 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
4870 remove some unused variables.
4871 (muscle_percent_define_default): Record defining location as line 1
4872 rather than 0 for the sake of synchronizing #line's, and define
4873 b4_percent_define_syncline(VARIABLE).
4874 (muscle_percent_define_check_values): Use
4875 muscle_percent_define_get_loc.
4876 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
4877 (muscle_percent_define_get_syncline): Prototype.
4878 * tests/skeletons.at (%define Boolean variables: invalid skeleton
4879 defaults): Update output for location change.
4880 (Complaining during macro argument expansion): Extend to test
4881 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
4882
4883 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
4884
4885 Fix some error-reporting macro bugs.
4886 * data/bison.m4 (b4_cat): New.
4887 (b4_error, b4_error_at): Use b4_cat to send error directives directly
4888 to stdout so they don't become arguments to other macros. Update
4889 comments and add examples.
4890 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
4891 add examples.
4892 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
4893 after printing the error directive so that M4 doesn't report subsequent
4894 problems that are induced by this problem.
4895 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
4896 instead of just in them. Recognize @\n in both places. Both expand to
4897 the empty string. Needed by b4_cat.
4898 * tests/skeletons.at (Complaining during macro argument expansion):
4899 New test case.
4900 (Fatal errors make M4 exit immediately): New test case.
4901
4902 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
4903
4904 Implement --print-datadir.
4905 * src/getargs.c (usage): Mention.
4906 (PRINT_DATADIR_OPTION): New anonymous enum member.
4907 (long_options): Add entry for it.
4908 (getargs): Add case for it calling compute_pkgdatadir.
4909 * src/output.c (output_skeleton): Encapsulate data directory
4910 computation from here...
4911 (prepare): ... and from here...
4912 (compute_pkgdatadir): ... into this new function.
4913 * src/output.h (compute_pkgdatadir): Prototype.
4914
4915 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
4916
4917 * src/print-xml.c (escape_bufs): New static global variable
4918 replacing...
4919 (xml_escape_n): ... the static local variable buf here.
4920 (print_xml): Free memory for escape_bufs.
4921 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
4922
4923 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
4924
4925 Replace `%push-parser' and `%push-pull-parser' with
4926 `%define push_pull "push"' and `%define push_pull "both"'.
4927 `%define push_pull "pull"' is the default.
4928 * doc/bison.texinfo (Push Decl, Push Parser Function,
4929 Pull Parser Function, Parser Create Function, Parser Delete Function):
4930 Update declarations.
4931 (Decl Summary, Table of Symbols): Replace %push-parser and
4932 %push-pull-parser entries with a %define push_pull entry.
4933 * data/bison.m4 (b4_percent_define_check_values): New macro.
4934 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
4935 definitions...
4936 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
4937 definitions...
4938 * data/push.c: ... to here and compute them from the value of the
4939 %define variable push_pull.
4940 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
4941 parsing requests here...
4942 * data/yacc.c: ... hack this to switch to push.c any time
4943 b4_use_push_pull_flag or the %define variable push_pull is set. This
4944 will go away when we mv push.c yacc.c.
4945 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
4946 push parsing is not supported since unused %define variables are
4947 reported anyway.
4948 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
4949 * src/muscle_tab.h (muscle_percent_define_check_values): Update
4950 comments for consistency with b4_percent_define_check_values.
4951 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
4952 muscles.
4953 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
4954 Remove.
4955 (prologue_declaration): Remove %push-parser and %push-pull-parser
4956 rules.
4957 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
4958 * tests/calc.at: Update declarations.
4959 * tests/input.at (%define enum variables): New test case.
4960 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
4961 declaration.
4962 (Push Parsing: Multiple impure instances): Update declaration.
4963 (Push Parsing: Unsupported Skeletons): New test case.
4964 * tests/torture.at (Exploding the Stack Size with Alloca): Update
4965 declaration.
4966 (Exploding the Stack Size with Malloc): Update declaration.
4967
4968 2007-09-24 Wojciech Polak <polak@gnu.org>
4969
4970 Add XSLT transformations.
4971
4972 * data/xslt/xml2dot.xsl: Transform XML into DOT.
4973 * data/xslt/xml2text.xsl: Transform XML into plain text.
4974 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
4975 * data/Makefile.am (xsltdir): New variable.
4976 (dist_xslt_DATA): Add xslt/*.xsl files.
4977
4978 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
4979
4980 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
4981 Problem reported by Wojciech Polak.
4982 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
4983 (xml_printf): Undo change I made on 21 September; that is,
4984 indent 2 spaces, not 1.
4985
4986 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
4987
4988 Pacify ./configure --enable-gcc-warnings.
4989 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
4990 `char const *' instead of `char *'.
4991 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
4992 local variable `sep'.
4993
4994 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
4995
4996 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
4997 elsewhere.
4998 * src/print-xml.c: Prefer "const" after types; that's more consistent.
4999 (xml_printf): Indent just 1 space for level.
5000 (e_char, xlate_char): Remove.
5001 (xml_escape_string): Rewrite to avoid undefined behavior (used
5002 storage that was freed from the stack).
5003 (xml_escape_n): Don't bother checking for subscript error.
5004
5005 2007-09-21 Wojciech Polak <polak@gnu.org>
5006
5007 Add Bison XML Automaton Report.
5008
5009 Add support for an -x option to generate an XML report.
5010 It is not documented yet.
5011 * src/print-xml.c: New file.
5012 * src/print-xml.h: Likewise.
5013 * lib/timevar.def (TV_XML): New var.
5014 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
5015 * src/conflicts.c: Include print-xml.h.
5016 (solved_conflicts_xml_obstack): New var.
5017 (log_resolution, conflicts_solve, conflicts_free):
5018 Add support for XML report.
5019 (conflicts_output_val): New function.
5020 * src/conflicts.h (conflicts_output_val): New decl.
5021 * src/files.c (spec_xml_file): New var.
5022 (compute_output_file_names, output_file_names_free): Add XML support.
5023 * src/files.h (spec_xml_file): New decl.
5024 * src/getargs.c (xml_flag): New var.
5025 (usage, short_options, long_options, getargs): Add XML support.
5026 * src/getargs.h (xml_flag): New decl.
5027 * src/gram.c: Include print-xml.h.
5028 (rule_lhs_print_xml, rule_rhs_print_xml):
5029 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
5030 New functions.
5031 * src/gram.h: Declare external ones.
5032 * src/main.c: Include print-xml.h.
5033 (main): Add XML support.
5034 * src/reduce.c: Include print-xml.h.
5035 (reduce_xml): New function.
5036 * src/reduce.h: Declare it.
5037 * src/state.c: Include print-xml.h.
5038 (state_new): Add XML support.
5039 (state_rule_lookahead_tokens_print_xml): New function.
5040 * src/state.h: Declare it.
5041 (struct state): New member solved_conflicts_xml.
5042 * src/symtab.c (symbol_class_get_string): New function.
5043 * src/symtab.h: Declare it.
5044
5045 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
5046
5047 * GNUmakefile: Switch to coreutils's version.
5048 * bootstrap: Likewise.
5049 * Makefile.cfg: Adjust to new GNUmakefile.
5050 * README-hacking: Likewise.
5051
5052 Import from gnulib:
5053
5054 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
5055 Bruno Haible <bruno@clisp.org>
5056
5057 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
5058 and is a script that invokes bison. Tighten the code. Add comments.
5059
5060 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
5061
5062 Spell "boolean" as "Boolean". Reported by Akim Demaille.
5063 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
5064 * doc/bison.texinfo (Decl Summary): Fix.
5065 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
5066 * tests/input.at (Boolean %define variables): Update output.
5067 * tests/skeletons.at (%define boolean variables: invalid skeleton
5068 defaults): Rename to...
5069 (%define Boolean variables: invalid skeleton defaults): ... this and
5070 update output.
5071
5072 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
5073
5074 In impure push mode, don't allow more than one yypstate to be allocated
5075 since multiple impure parsers would corrupt yynerrs.
5076 * data/push.c (yypstate_allocated): New static global variable
5077 initialized to 0.
5078 (yypull_parse): If yypstate_new returns 0, don't report it as memory
5079 exhaustion if yypstate_allocated is 1, but still return 2.
5080 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
5081 already 1. Otherwise, set it to 1.
5082 (yypstate_delete): Set it to 0.
5083 * tests/push.at (Push Parsing: Multiple impure instances): New test
5084 case.
5085
5086 2007-08-17 Bob Rossi <bob@brasko.net>
5087
5088 * doc/bison.texinfo (Push Decl): Document the push parser.
5089 (Table of Symbols): Ditto.
5090 (Pure Decl): Ditto.
5091 (Decl Summary): Ditto.
5092 (Multiple Parsers, Push Parser Function, Pull Parser Function,
5093 Parser Create Function, Parser Delete Function):
5094 Add new push parser symbols.
5095 (Table of Symbols): Document push-parser, push-pull-parser,
5096 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
5097
5098 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
5099
5100 Update to GPLv3.
5101 * doc/gpl-3.0.texi: New file.
5102 * doc/gpl.texi: Remove.
5103 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
5104 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
5105 * README-hacking, TODO, bootstrap, bootstrap.conf:
5106 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
5107 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
5108 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
5109 * data/lalr1.cc, data/lalr1.java, data/location.cc:
5110 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
5111 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
5112 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
5113 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
5114 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
5115 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
5116 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
5117 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
5118 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
5119 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
5120 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
5121 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
5122 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
5123 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
5124 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
5125 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
5126 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
5127 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
5128 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
5129 * src/complain.c, src/complain.h, src/conflicts.c:
5130 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
5131 * src/files.h, src/flex-scanner.h, src/getargs.c:
5132 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
5133 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
5134 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
5135 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
5136 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
5137 * src/print.c, src/print.h, src/print_graph.c:
5138 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
5139 * src/reduce.h, src/relation.c, src/relation.h:
5140 * src/revision.h, src/scan-code.h, src/scan-code.l:
5141 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
5142 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
5143 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
5144 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
5145 * tests/Makefile.am, tests/actions.at, tests/c++.at:
5146 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
5147 * tests/existing.at, tests/glr-regression.at:
5148 * tests/headers.at, tests/input.at, tests/java.at:
5149 * tests/local.at, tests/output.at, tests/push.at:
5150 * tests/reduce.at, tests/regression.at, tests/sets.at:
5151 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
5152 * tests/torture.at:
5153 Update to GPLv3.
5154
5155 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
5156
5157 Get rid of broken %no-parser, -n, and --no-parser implementation and
5158 documentation.
5159 * TODO: Don't mention them.
5160 * doc/bison.1: Likewise.
5161 * doc/bison.texinfo (Decl Summary): Likewise.
5162 (Bison Options): Likewise.
5163 (Option Cross Key): Likewise.
5164 * src/getargs.c (no_parser_flag): Remove global variable.
5165 (usage): Don't print description of -n and --no-parser.
5166 (long_options): Remove --no-parser entry here.
5167 (getargs): Remove -n case in the switch here.
5168 * src/getargs.h (no_parser_flag): Remove extern.
5169 * tests/regression.at (Web2c Actions): Remove comment that mentions
5170 --no-parser.
5171
5172 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
5173
5174 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
5175 name user variables starting with `yy'. Just pass NULL instead of a
5176 dummy local &yylval to yypush_parse.
5177 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
5178 starting with `yy'.
5179
5180 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
5181
5182 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
5183 true since it's then always used regardless of whether yyoverflow is
5184 defined. Reported by Christian Burger at
5185 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
5186 * THANKS: Add Christian Burger.
5187
5188 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
5189 node names: say "Decl Summary" not "Bison Declaration Summary".
5190
5191 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
5192
5193 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
5194 determine whether this function has already complained about an invalid
5195 value for a %define boolean variable, don't check whether Bison has
5196 ever examined the value. As written, the check was a tautology.
5197 Instead, record and check for this complaint using a separate muscle.
5198
5199 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
5200
5201 Fix push parsing memory leak reported by Brandon Lucia at
5202 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
5203 * THANKS: Add Brandon Lucia.
5204 * data/push.c (yypstate_delete): Free the stack if it was reallocated
5205 but the parse never completed and thus freed it.
5206 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
5207 * tests/testsuite.at: Include push.at.
5208 * test/push.at: New.
5209 (Push Parsing: Memory Leak for Early Deletion): New test case.
5210
5211 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
5212
5213 Improve handling of multiple S/R conflicts in the same state and of S/R
5214 conflicts involving multiple reductions.
5215 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
5216 set for a state here or Bison will abort if it is reassigned on a
5217 later conflicted reduction in the same state.
5218 Similarly, don't finalize and assign the solved conflicts report here
5219 or it will be lost if it is reassigned on a later conflicted reduction
5220 in the same state.
5221 (set_conflicts): Instead, assign them both here after all S/R conflicts
5222 in the state have been fully examined.
5223 * src/print.c (shift_set): Rename to...
5224 (no_reduce_set): ... this.
5225 (print_reductions): Update for rename, and add %nonassoc error action
5226 tokens to no_reduce_set so that, when printing the first remaining
5227 reduction on an error action token, the reduction is enclosed in
5228 brackets.
5229 (print_results): Update for rename.
5230 * tests/conflicts.at (Solved conflicts report for multiple reductions
5231 in a state): New test case.
5232 (%nonassoc error actions for multiple reductions in a state): New test
5233 case.
5234
5235 * src/main.c (main): Don't depend on C99 features.
5236
5237 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
5238
5239 * build-aux/.cvsignore: Add compile.
5240 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
5241 uniwidth.
5242
5243 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
5244
5245 * bootstrap (slurp): Create target directories that don't exist.
5246 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
5247
5248 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
5249
5250 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
5251 than item number.
5252 * closure.c (closure): Likewise.
5253 * state.h (reductions): Comment sorting of rules.
5254 (state): Comment sorting of items.
5255
5256 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
5257
5258 Fix C++ test cases after recent Gnulib changes. Discussed starting at
5259 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
5260 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
5261 definition in order to avoid Gnulib headers since we don't use config.h
5262 here.
5263 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
5264 rather than AT_DATA so that config.h is included.
5265
5266 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
5267
5268 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
5269 instead of fprintf. Guard these functions with #if YYDEBUG instead of
5270 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
5271 and so that YYFPRINTF is guaranteed to be defined here.
5272
5273 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
5274
5275 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
5276 with...
5277 (muscle_percent_define_check_values): ... this more helpful function.
5278 Again, it's not used yet, but it will be.
5279 * src/muscle_tab.h: Likewise.
5280
5281 Improve some comments in parser table construction.
5282 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
5283 (generate_states): Don't mention ruleset, which is internal to closure.
5284 * src/closure.c (closure): Explain sorting of core and itemset, which
5285 is required for this function to behave correctly.
5286 * src/closure.h (closure): Mention sorting.
5287
5288 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
5289
5290 * src/lalr.c (state_lookahead_tokens_count): For code readability,
5291 move the check for disabled transitions to an aver since conflict
5292 resolution hasn't happened yet.
5293
5294 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
5295 labels a state as inconsistent just because it has error transitions.
5296 The original form of this check appeared in revision 1.1 of lalr.c,
5297 which was committed on 1991-12-21. Now (at least), changing the
5298 consistency label on such a state appears to have no useful effect in
5299 any of the places it is examined, which I enumerate below. The key
5300 point to understanding each item in this enumeration is that a state
5301 with an error transition is labelled consistent in the first place only
5302 if it has no rules, so the check cannot matter for states that have
5303 rules. (1) Labelling a state as inconsistent will cause set_conflicts
5304 to try to identify its conflicts, and a state must have *rules* to have
5305 conflicts. (2) Labelling a state as inconsistent will affect how
5306 action_row sets the default *rule* for the state. (3) Labelling a
5307 state as inconsistent will cause build_relations to add lookback edges
5308 to *rules* in that state.
5309 * src/state.h (struct state): Word the comment for member consistent
5310 more carefully.
5311
5312 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
5313
5314 Don't depend on C99 features.
5315 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
5316 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
5317 * src/reader.c (check_and_convert_grammar): Fix for-loop.
5318 * src/state.c (state_mark_reachable_states): Fix for-loop.
5319 (state_remove_unreachable_states): Fix for-loop.
5320
5321 Don't widen struct state with member reachable just to temporarily
5322 record reachability. Instead, use a local bitset.
5323 * src/state.h (struct state): Remove member.
5324 * src/state.c (state_new): Don't initialize it.
5325 (state_mark_reachable_states): Rename to...
5326 (state_record_reachable_states): ... this, and use bitset.
5327 (state_remove_unreachable_states): Use bitset.
5328
5329 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
5330
5331 * src/Makefile.am (yacc): Quote target action commands properly so
5332 that the yacc script isn't corrupt. Reported by Hans Aberg at
5333 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
5334
5335 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
5336 the case of pure parsers. Reported by Frans Englich at
5337 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
5338 * THANKS: Add Frans Englich.
5339
5340 * NEWS (2.3a+): In the %code entry, reference section `Bison
5341 Declaration Summary' from the manual now since the %code summary has
5342 moved there.
5343 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
5344 in the rules section must be terminated by semicolons.
5345
5346 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
5347
5348 Extend the front-end API for %define variables to more completely
5349 mirror the back-end. This will be useful in the future.
5350 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
5351 Update comments to mention the new front-end counterparts of these
5352 macros.
5353 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
5354 for muscle_string_decode and muscle_location_decode.
5355 (muscle_string_decode): New static function.
5356 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
5357 (muscle_percent_define_get, muscle_percent_define_ifdef): New
5358 functions.
5359 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
5360 muscle_percent_define_get to mimic the b4_percent_define_flag_if
5361 implementation more closely.
5362 (muscle_percent_define_invalid_value): New function.
5363 * src/muscle_tab.h (muscle_percent_define_get,
5364 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
5365 Prototype.
5366
5367 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
5368
5369 * NEWS (2.3a+): Mention yesterday's state-removal change.
5370 (2.3a): Remove the %language entry, which was added after 2.3a.
5371 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
5372 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
5373 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
5374 tests/existing.at: Update copyright date.
5375
5376 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
5377
5378 If conflict resolution makes states unreachable, remove those states,
5379 report rules that are then unused, and don't report conflicts in those
5380 states.
5381 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
5382 New global function.
5383 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
5384 function.
5385 * src/main.c (main): After conflict resolution, remove the unreachable
5386 states and update all data structures that reference states by number.
5387 * src/state.c (state_new): Initialize each state's reachable member to
5388 false.
5389 (state_mark_reachable_states): New static function.
5390 (state_remove_unreachable_states): New global function.
5391 * src/state.h (struct state): Add member bool reachable.
5392 (state_remove_unreachable_states): Prototype.
5393 * tests/conflicts.at (Unreachable States After Conflict Resolution):
5394 New test case.
5395 * tests/existing.at (GNU pic Grammar): Update test case output now that
5396 an unused rule is discovered.
5397
5398 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
5399
5400 Minor code cleanup in parser table construction.
5401 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
5402 (new_itemsets, save_reductions): Update for rename to nitemset.
5403 * src/closure.c (nritemset): Rename to...
5404 (nitemset): ... this since the "r" appears to meaningless and isn't
5405 used in the comments.
5406 (closure): Update for rename.
5407 * src/closure.h (nritemset): Update extern to...
5408 (nitemset): ... this.
5409 * src/lalr.c (LA): Fix a typo in comments.
5410 * src/print.c (print_core): Update for rename to nitemset.
5411 * src/print_graph.c (print_graph): Likewise.
5412 * src/state.h: Fix some typos in header comments.
5413
5414 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
5415
5416 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
5417 still sticks to ASCII. Sorry!
5418
5419 * README-hacking: New file, taken mostly from coreutils, with changes
5420 for Bison. Contains much of the contents of:
5421 * README-cvs: Remove.
5422 * bootstrap: Sync from gnulib.
5423 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
5424 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
5425
5426 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
5427
5428 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
5429 Setzer.
5430 (Java Differences): Fix some typos.
5431 * THANKS: Add Sebastian Setzer.
5432
5433 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
5434
5435 * data/java.m4 (b4_single_class_if): Remove.
5436 (b4_abstract_if): Look at "%define abstract".
5437 (b4_lexer_if): New.
5438 (b4_union_name): Rename...
5439 (b4_yystype): ... to this. Map to "%define stype".
5440 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
5441 b4_maybe_throws): Fix quoting.
5442 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
5443 * data/lalr1.java (Lexer interface): Always define.
5444 (Lexer interface within parser class): Remove.
5445 (YYLexer class): New, used when "%code lexer" is present.
5446 (constructor): When "%code lexer" is used, pass %lex-param
5447 to the lexer constructor.
5448 (yylex, yyparse): Remove %lex-param from method invocations
5449 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
5450
5451 * doc/bison.texinfo (Java Bison Interface): Mention "%define
5452 abstract". Rename "%define union_name" to "%define stype".
5453 Rename method names according to previous patch.
5454 (Java Scanner Interface): Describe "%code lexer" instead of
5455 "%pure-parser" and "%define single_class".
5456 (Java Differences): Mention "%code lexer".
5457
5458 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
5459 Include scanner here, using macros from tests/local.at.
5460 (AT_DATA_CALC_Y): Remove final argument.
5461 (_AT_CHECK_JAVA_CALC): Likewise.
5462 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
5463 of %locations and %error-verbose.
5464 (main): Test with and without %lex-param.
5465 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
5466 (AT_BISON_OPTION_POPDEFS): Pop it.
5467
5468 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5469
5470 DJGPP spefic issue. Inhibit the use of disallowed characters for
5471 file name genertion on Win98, WinXP, etc. These are |<>":?*\
5472 and concern testsuite case 46.
5473 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
5474 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
5475 * djgpp/config.bat: Inhibit the use of disallowed characters.
5476
5477 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
5478
5479 Miscellaneous %define and %code cleanup.
5480 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
5481 values are interpreted.
5482 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
5483 documentation a little more.
5484 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
5485 muscle_percent_define_insert, muscle_percent_code_grow): New
5486 functions/macros.
5487 * src/muscle_tab.h (muscle_percent_define_insert,
5488 muscle_percent_code_grow): Prototype.
5489 * src/parse-gram.y (prologue_declaration): Use
5490 muscle_percent_define_insert and muscle_percent_code_grow when parsing
5491 %define and %code directives.
5492
5493 Make it easy to share %define boolean variables between the front-end
5494 and back-end. Though not used yet, this will be useful in the future.
5495 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
5496 Bison uses of names rather than just skeleton uses of names.
5497 (b4_percent_define_get, b4_percent_define_ifdef): Rename
5498 b4_percent_define_skeleton_variables(VARIABLE) to
5499 b4_percent_define_bison_variables(VARIABLE).
5500 (b4_percent_code_get, b4_percent_code_ifdef): Rename
5501 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
5502 b4_percent_code_bison_qualifiers(QUALIFIER).
5503 (b4_check_user_names_wrap): Update for renames.
5504 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
5505 muscle_percent_define_default): New functions mimicking
5506 b4_percent_define_flag_if and b4_percent_define_default.
5507
5508 For %define variables, report locations for invalid values and
5509 redefinitions.
5510 * data/bison.m4 (b4_percent_define_flag_if): Read
5511 b4_percent_define_loc(VARIABLE) to report the location of an invalid
5512 value for VARIABLE.
5513 (b4_percent_define_default): Save a special location in
5514 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
5515 must later be reported as invalid.
5516 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
5517 functions.
5518 (muscle_percent_define_insert): Record the location of VARIABLE in
5519 muscle percent_define_loc(VARIABLE), and use it to report the previous
5520 location for a redefinition.
5521 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
5522 (muscle_percent_define_default): Update like b4_percent_define_default.
5523 (muscle_grow_user_name_list): Rename to...
5524 (muscle_user_name_list_grow): ... this for consistency and use
5525 muscle_location_grow.
5526 * src/muscle_tab.h (muscle_location_grow): Prototype.
5527 * tests/input.at (%define errors): Update expected output.
5528 * tests/skeletons.at (%define boolean variables: invalid skeleton
5529 defaults): New test case.
5530
5531 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
5532
5533 * src/print.c (lookahead_set, state_default_rule): Remove.
5534 (print_reductions): Replace state_default_rule invocation with
5535 equivalent use of yydefact, which was computed in token_actions in
5536 tables.c.
5537 (print_results): Don't allocate lookahead_set.
5538
5539 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
5540
5541 * data/lalr1.java: Prefix all private members with yy.
5542
5543 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
5544
5545 Use YYFPRINTF instead of fprintf where appropriate. Reported by
5546 Sebastien Fricker at
5547 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
5548 * THANKS: Add Sebastien Fricker.
5549 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
5550 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
5551 accept a variable number of arguments.
5552
5553 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
5554
5555 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
5556
5557 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5558
5559 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
5560 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
5561 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
5562
5563 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
5564
5565 Undo my 2007-02-07 change, switching back to the c-strcase module
5566 introduced in the 2007-02-03 change. Bruno Haible reported that
5567 the 2007-02-07 change would be dangerous in Turkish if we add a
5568 language whose name contains "i", since "i" is not lowercase "I"
5569 in Turkish.
5570 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
5571 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
5572 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
5573 * m4/.cvsignore: Remove strcase.m4.
5574 * src/getargs.c: Revert 2007-02-07 change, as follows.
5575 Include c-strcase.h.
5576 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
5577
5578 2007-02-11 Bruno Haible <bruno@clisp.org>
5579
5580 Enable the Java related testsuite tests when the only Java compiler
5581 found is a gcj < 4.3. Discussed at
5582 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
5583 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
5584
5585 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
5586
5587 * data/Makefile.am: Update copyright date.
5588 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
5589 yypstate_new returns NULL.
5590 (yypstate_new): Return NULL if malloc does.
5591 * src/reader.c (packgram): Move translation of rule actions from the
5592 beginning of packgram to...
5593 (check_and_convert_grammar): ... here right before packgram is invoked
5594 so it's easier to write more complete comments, and remove redundant
5595 code.
5596
5597 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
5598
5599 As in semantic actions, make @$ in %initial-action, %destructor, and
5600 %printer imply %locations.
5601 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
5602 scanning @$.
5603 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
5604 (@$ in %initial-action implies %locations,
5605 @$ in %destructor implies %locations,
5606 @$ in %printer implies %locations): ... these new test cases.
5607
5608 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
5609
5610 Undo most of the 2007-02-03 change, switching to the strcase module
5611 now that gnulib strcase has been fixed.
5612 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
5613 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
5614 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
5615 * m4/.cvsignore: Add strcase.m4.
5616 * src/getargs.c: Revert 2007-02-03 change, as follows.
5617 Don't include c-strcase.h.
5618 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
5619 strcasecmp has "unspecified behavior" outside the POSIX locale,
5620 but it works fine in practice if at least one argument is ASCII,
5621 as is the case in Bison.
5622
5623 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
5624
5625 * tests/java.at: Skip tests if only one of javac/java is present.
5626 Reported by Joel E. Denny.
5627 * tests/atlocal.in: Adjust copyright years.
5628
5629 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
5630
5631 * data/lalr1.java (Stack): Work around old verifiers that disallow
5632 access to the private fields of an inner class, from the outer class.
5633 We can make Stack's fields public because user code doesn't have access
5634 to the instance of Stack used by parse(). Reported by Paul Eggert.
5635
5636 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
5637
5638 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
5639 the right spot for these files?
5640 * bootstrap.conf (gnulib_modules): Add c-strcase.
5641 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
5642 c-strncasecmp.c.
5643 * src/getargs.c: Include c-strcase.h.
5644 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
5645 to avoid unspecified behavior.
5646
5647 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
5648
5649 * doc/bison.texinfo (Decl Summary): Correct typo.
5650
5651 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
5652
5653 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
5654 Complain if the value does not match empty, "true" or "false".
5655 * data/c++.m4: Adjust default definitions of %define variables.
5656 * data/java.m4: Adjust default definitions of %define variables.
5657 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
5658 to above behavior.
5659 * tests/input.at (Boolean %define variables): Test new behavior.
5660
5661 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
5662
5663 * NEWS: Mention java.
5664 * TODO: Remove things that are done.
5665 * bootstrap.conf: Add javacomp-script and javaexec-script.
5666 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
5667
5668 * data/Makefile.am: Add new files.
5669 * data/java-skel.m4: New.
5670 * data/java.m4: New.
5671 * data/lalr1.java: New.
5672
5673 * doc/bison.texinfo: Put "A Complete C++ Example" under
5674 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
5675 under Other Languages.
5676
5677 * src/getargs.c (valid_languages): Add Java.
5678 * src/getargs.h (struct bison_language): Update size of string fields.
5679
5680 * tests/Makefile.am: Add java.at.
5681 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
5682 * tests/java.at: New.
5683 * tests/testsuite.at: Include it.
5684
5685 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
5686
5687 Clean up.
5688 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
5689 at_directive_argv arguments so these no longer have to be global
5690 variables. Also, update the implementation for the following changes.
5691 (fail_for_at_directive_too_many_args,
5692 fail_for_at_directive_too_few_args): Add at_directive_name argument.
5693 (at_directive_name): Remove as at_directive_argv[0] will be used for
5694 this now.
5695 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
5696 for the directive name.
5697 (at_directive_argc, at_directive_argv): Make these local within
5698 skel_lex instead of global.
5699 (INITIAL): Update directive start action for above changes.
5700 (SC_AT_DIRECTIVE_ARG): Rename to...
5701 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
5702 (SC_AT_DIRECTIVE_SKIP_WS): Update.
5703 (scan_skel): Move yylex_destroy to...
5704 (skel_scanner_free): ... here.
5705 * tests/skeletons.at (installed skeleton file name): Rename to...
5706 (installed skeleton file names): ... this.
5707
5708 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
5709
5710 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
5711 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
5712 Summary" not "Directives".
5713 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
5714 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
5715 since the former is now the more complete one.
5716 (Prologue Alternatives): Likewise and do the same for %defines.
5717 (Table of Symbols): Add summary of %code, add summary of %define, and
5718 move full %code documentation to...
5719 (Decl Summary): ... here for consistency with other entries in these
5720 sections.
5721 Move %define entry in order to keep this list alphabetized.
5722 Reword %define entry a little to put less emphasis on the skeleton
5723 concept, which most users shouldn't have to think about.
5724
5725 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
5726
5727 Adjust to recent gnulib changes.
5728 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
5729 Add string.h, string_.h, unistd_.h, wchar_.h.
5730 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
5731 * src/system.h: Don't include <stpcpy.h>; this is now done by
5732 <string.h>.
5733
5734 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
5735
5736 Simplify implementation of unqualified %code, implement macros for
5737 uniform treatment of boolean %define flags. Document %define.
5738 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
5739 b4_percent_code_ifdef): New.
5740 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
5741 * data/c++.m4: Define default value for global_tokens_and_yystype.
5742 * data/glr.cc: Likewise.
5743 * data/location.cc: Use b4_percent_define_flag_if.
5744
5745 * doc/bison.texinfo (Decl Summary): Document %define.
5746
5747 * src/parse-gram.y (Unqualified %code): Change muscle name to
5748 b4_percent_code().
5749 (content.opt): Default to empty.
5750
5751 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
5752
5753 Implement support for relative and absolute skeleton file names.
5754 Discussed starting at
5755 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
5756 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
5757 (Bison Options): Document in --skeleton entry.
5758 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
5759 full_skeleton can't necessarily hold all of pkgdatadir.
5760 If the specified skeleton file name contains a `/', don't prepend
5761 pkgdatadir.
5762 * src/parse-gram.y (prologue_declaration): If the specified skeleton
5763 file name contains a `/', prepend the grammar file directory.
5764 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
5765 * skeletons.at: New file.
5766 (relative skeleton file names): New test case.
5767 (installed skeleton file names): New test case.
5768 * tests/testsuite.at: Include skeletons.at.
5769
5770 * bootstrap: Update copyright to 2007.
5771
5772 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
5773
5774 * bootstrap: Remove occurrences of .#bootmp from the files.
5775
5776 2007-01-17 Akim Demaille <akim@epita.fr>
5777
5778 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
5779 nonterminals.
5780 Use per-type %printer.
5781
5782 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
5783
5784 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
5785 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5786 djgpp/config.site, src/files.c, src/files.h, src/main.c,
5787 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
5788 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
5789 tests/glr-regression.at, tests/input.at, tests/local.at,
5790 tests/output.at, tests/torture.at: Update copyright to 2007.
5791
5792 2007-01-16 Akim Demaille <akim@epita.fr>
5793
5794 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
5795 error code.
5796 (Calc++ Scanner): Exit with failure if we can't open the input
5797 file.
5798 Accept "-" standing for stdin.
5799 (Calc++ Top Level): Print the result only if the parsing was
5800 successful.
5801
5802 2007-01-16 Akim Demaille <akim@epita.fr>
5803
5804 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
5805
5806 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
5807 and Joel E. Denny <jdenny@ces.clemson.edu>
5808
5809 Clean up %define and %code implementation in M4 some. Most
5810 importantly, rename all related macros to be in the b4_percent_define
5811 and b4_percent_code namespaces. Also, complete support for `.' in
5812 %define variable names and %code qualifiers.
5813 * data/bison.m4 (b4_check_user_names): Check for special
5814 "SKELETON-NAMESPACE(name)" macros instead of using two nested
5815 m4_foreach loops.
5816 (b4_get_percent_define, b4_get_percent_code): Rename to...
5817 (b4_percent_define_get, b4_percent_code_get): ... these.
5818 Extend documentation with examples.
5819 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
5820 b4_percent_define_skeleton_variables and
5821 b4_percent_code_skeleton_qualifiers.
5822 Expect any value for the %define variable `foo' to be stored in the
5823 macro named `b4_percent_define(foo)'; expect any %code blocks for the
5824 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
5825 expect any unqualified %code blocks to be stored in a macro named
5826 `b4_percent_code_unqualified'.
5827 Use m4_indir so that %define variable names and %code qualifiers can
5828 contain `.', which is allowed by the grammar parser.
5829 (b4_percent_define_default): New macro to set a default value for a
5830 %define variable.
5831 (m4_wrap): Update wrapped code, and fix some underquoting.
5832 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
5833 Expect grammar uses of %define variables and %code qualifiers to be
5834 defined in b4_percent_define_user_variables and
5835 b4_percent_code_user_qualifiers.
5836 * data/c++.m4: Use b4_percent_define_default rather than
5837 m4_define_default. Fix some underquoting. Skeleton usage of %define
5838 variable define_location_comparison now implies skeleton usage of
5839 %define variable filename_type.
5840 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
5841 data/push.c, data/yacc.c: Update macro names.
5842 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
5843 muscle names.
5844
5845 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5846
5847 DJGPP specific issues.
5848
5849 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
5850 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
5851
5852 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5853
5854 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
5855 run parsers in all tests so that Valgrind is invoked during
5856 maintainer-check-valgrind.
5857 (Duplicate representation of merged trees): Free all semantic values.
5858 (Duplicated user destructor for lookahead): Likewise.
5859
5860 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5861
5862 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
5863 command-line prefix.
5864 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
5865 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
5866 miss Valgrind messages.
5867 (Exploding the Stack Size with Malloc): Likewise.
5868
5869 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
5870
5871 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
5872 locals. Reported by Juan Manuel Guerrero at
5873 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
5874 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
5875 Fix some indentation also.
5876 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
5877 explaining this issue.
5878
5879 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
5880 and Joel E. Denny <jdenny@ces.clemson.edu>
5881
5882 Simplify union and prologue handling, and escape union and lex/parse
5883 params with digraphs.
5884 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
5885 values to the empty string since these are no longer guaranteed
5886 initialized by the front-end.
5887 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
5888 braces around b4_user_stype since this is no longer done by the
5889 front-end.
5890 * src/files.c, src/files.h (pre_prologue_obstack,
5891 post_prologue_obstack): Remove.
5892 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
5893 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
5894 with digraphs. This fixes lex params and parse params.
5895 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
5896 * src/output.c (prepare): Remove muscle insertion of the prologues.
5897 (output): Remove freeing of pre_prologue_obstack and
5898 post_prologue_obstack.
5899 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
5900 than prologue_augment for prologue parsing so you don't need prologue
5901 obstacks.
5902 (grammar_declaration): For %union RHS, use `braceless' instead of
5903 "{...}" so that braces are already stripped and code is escaped with
5904 digraphs.
5905 * src/reader.c (prologue_augment): Remove.
5906 (reader): Remove initialization of pre_prologue_obstack and
5907 post_prologue_obstack.
5908 * src/reader.h (prologue_augment): Remove.
5909
5910 * data/c.m4: Remove stray parenthesis.
5911
5912 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5913
5914 Remove quotes from variables names in %define directives and from
5915 qualifiers in %code directives, and restrict the characters that are
5916 allowed in them to M4-friendly ones. For %define, continue to support
5917 the quoted form as a deprecated feature. Discussed starting at
5918 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
5919 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
5920 %code.
5921 * doc/bison.texinfo (Prologue Alternatives): Update.
5922 (Decl Summary): In %defines entry, update mention of `%code requires'
5923 and `%code provides'.
5924 (C++ Location Values): Update %define uses.
5925 (Calc++ Parser Interface): Likewise.
5926 (Calc++ Parser): Likewise, and update `%code requires' uses.
5927 (Table of Symbols): Update %code documentation.
5928 * src/parse-gram.y (prologue_declaration): For %define variables, use
5929 `variable' instead of `STRING'.
5930 (grammar_declaration): For %code qualifiers, use `ID' instead of
5931 `STRING'.
5932 (variable): New nonterminal that takes an `ID' or a `STRING'.
5933 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
5934 and %define uses.
5935 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
5936 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
5937 (%define errors): Update %define uses.
5938
5939 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5940
5941 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
5942 instead of muscle_insert for %define values so that M4-special
5943 characters are replaced with digraphs.
5944 * tests/input.at (%define errors): Extend to check weird values.
5945
5946 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5947
5948 Instead of having skeletons declare all valid %define variables and
5949 %code qualifiers, provide macros that retrieve the associated values
5950 and build these lists automatically. Thus Bison will now warn when a
5951 variable or qualifier is not used by the skeleton in the current
5952 invocation regardless of whether it might sometimes be used by that
5953 skeleton in other invocations. Also, move all %define value macros to
5954 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
5955 form, which is replaced by %code.
5956 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
5957 (b4_check_user_names): ... this, and change the series of valid name
5958 arguments to a single list argument for names used in the skeleton
5959 similar to the existing list argument for names used in the grammar.
5960 Warn instead of complaining.
5961 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
5962 values and %code code, to format %code code properly, and to build
5963 lists of all %define variables and %code qualifiers used in the
5964 skeleton: b4_skeleton_percent_define_variables and
5965 b4_skeleton_percent_code_qualifiers.
5966 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
5967 Remove, and...
5968 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
5969 the skeleton names lists can finish building first. In place of
5970 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
5971 expect the lists b4_user_percent_define_variables and
5972 b4_user_percent_code_qualifiers.
5973 * data/c++.m4: Where setting default values for b4_parser_class_name,
5974 b4_location_type, b4_filename_type, b4_namespace, and
5975 b4_define_location_comparison, update their names to the
5976 b4_percent_define_ namespace.
5977 * data/glr.c: Don't use b4_check_percent_define_variables and
5978 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5979 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
5980 (b4_parser_class_name, b4_namespace): Define these using
5981 b4_get_percent_define for parser_class_name and namespace.
5982 * data/location.cc: Use b4_get_percent_define.
5983 * data/push.c: Don't use b4_check_percent_define_variables and
5984 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
5985 * data/yacc.c: Likewise, and don't call m4_exit in
5986 b4_use_push_for_pull_if or m4_wrap code will never execute.
5987 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
5988 Rename to...
5989 (muscle_grow_user_name_list): ... this for consistency with the
5990 terminology used in bison.m4.
5991 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
5992 %define variable names, and rename muscle used_percent_define_variables
5993 to user_percent_define_variables.
5994 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
5995 user_percent_code_qualifiers.
5996 (content): Remove.
5997 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
5998 {CODE} form is no longer accepted.
5999 * tests/input.at (Reject bad %code qualifiers): Rename to...
6000 (Reject unused %code qualifiers): ... this, and update test output.
6001 (%define error): Update test output.
6002
6003 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
6004
6005 Check for unrecognized %define variables similar to checking for
6006 unrecognized %code qualifiers. Check for redefined %define variables.
6007 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
6008 generalizes...
6009 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
6010 (b4_check_percent_define_variables): New, also wraps it.
6011 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
6012 variables using b4_check_percent_define_variables.
6013 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
6014 all those exercised in the test suite and all those listed in the
6015 `Default values' section of c++.m4. Are there others?
6016 * data/push.c, data/yacc.c: Declare no valid %define variables.
6017 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
6018 similar to muscle_find, but it works even when the muscle stores a
6019 const value.
6020 (muscle_grow_used_name_list): New function for constructing the used
6021 name list muscles that b4_check_for_unrecognized_names requires.
6022 * src/parse-gram.y (prologue_declaration): Warn if a variable is
6023 %define'd more than once. Define the b4_used_percent_define_variables
6024 muscle with muscle_grow_used_name_list.
6025 (grammar_declaration): Abbreviate %code code with
6026 muscle_grow_used_name_list.
6027 * tests/input.at (%define errors): New.
6028
6029 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
6030
6031 Provide warn_at, complain_at, and fatal_at function callbacks to the
6032 skeletons, and use this for %code qualifier complaints.
6033 * data/bison.m4 (b4_error_at): New, invoked by...
6034 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
6035 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
6036 @fatal_at(...@) directives.
6037 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
6038 qualifiers in b4_used_percent_code_qualifiers and to use
6039 b4_complain_at.
6040 * src/location.c, src/location.h (boundary_set_from_string): New global
6041 function.
6042 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
6043 function.
6044 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
6045 to b4_used_percent_code_qualifiers.
6046 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
6047 function.
6048 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
6049 (lineno): Rename to...
6050 (out_lineno): ... this so I don't misunderstand it again.
6051 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
6052 here; these newlines are in the input but not the output file.
6053 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
6054 (at_directive_perform): ... this new static function, and add handling
6055 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
6056 directives.
6057 * tests/input.at (Reject bad %code qualifiers): Update test output with
6058 locations and extend.
6059
6060 * tests/output.at (Output file name: [, Output file name: ]): Remove
6061 bogus comment about these tests failing.
6062
6063 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
6064
6065 Clean up b4_check_percent_code_qualifiers a little.
6066 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
6067 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
6068 documentation and add examples.
6069 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
6070 qualifiers here.
6071
6072 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
6073
6074 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
6075 unreliable -- especially when they're hidden inside another macro.
6076 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
6077 data/c.m4: Remove m4_divert(-1).
6078 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
6079 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
6080 m4_divert_push(0) and m4_divert_pop(0).
6081 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
6082 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
6083 pushed and popped by m4sugar, should be first on the stack.
6084
6085 Provide warn, complain, and fatal function callbacks to the skeletons.
6086 This provides more flexibility than m4_fatal, improves the error
6087 message format, and captures messages for translation. Discussed
6088 starting at
6089 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
6090 * data/bison.m4 (b4_error): New, invoked by...
6091 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
6092 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
6093 directives. Because these M4 macros might be called when the current
6094 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
6095 the previous removal of uses of m4_divert, which caused trouble.
6096 (b4_check_percent_code_qualifiers): Use b4_complain instead of
6097 m4_fatal to report unrecognized %code qualifiers.
6098 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
6099 push parser requests.
6100 * data/glr.c: Use b4_complain instead of m4_fatal to report
6101 non-deterministic push parser requests.
6102 Update @output usage to @output(...@) form.
6103 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
6104 report missing %defines. Update @output usage to @output(...@) form.
6105 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
6106 @output(...@) form.
6107 * src/main.c (main): Invoke skel_scanner_free.
6108 * src/scan-skel.h (skel_scanner_free): Prototype new function.
6109 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
6110 obstack_for_string from flex-scanner.h.
6111 (YY_DECL): Use to declare skel_lex static.
6112 (decode_at_digraphs): Remove; now handled in the new
6113 SC_AT_DIRECTIVE_ARG start condition.
6114 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
6115 functions.
6116 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
6117 at_directive_argv): New static globals.
6118 (INITIAL): Use fail_for_invalid_at.
6119 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
6120 recognize the start of a generalized `@directive(...@)' form and
6121 start...
6122 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
6123 directive args (using the new obstack_for_string), to decode the
6124 contained @ diagraphs, and to perform the directive. It recognizes
6125 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
6126 @output(...@).
6127 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
6128 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
6129 `@,'.
6130 (scan_skel): Initialize obstack_for_string on the first call.
6131 (skel_scanner_free): New function to free obstack_for_string.
6132 * tests/input.at (Reject bad %code qualifiers): Update test output.
6133
6134 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
6135
6136 Consolidate the 4 prologue alternative directives (%code, %requires,
6137 %provides, and %code-top) into a single %code directive with an
6138 optional qualifier field. Discussed at
6139 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
6140 * NEWS (2.3a+): Rewrite the existing entry for the prologue
6141 alternatives.
6142 * doc/bison.texinfo (Prologue Alternatives): Update.
6143 (Decl Summary): Update to %code "requires" and %code "provides".
6144 (Calc++ Parser): Update to %code "requires".
6145 (Table of Symbols): Remove entries for %requires, %provides, and
6146 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
6147 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
6148 are replaced by b4_percent_code_provides and b4_percent_code_requires,
6149 which are skeleton-specific.
6150 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
6151 declare what %code qualifiers it supports and to complain if any other
6152 qualifiers were used in the grammar.
6153 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
6154 and b4_user_code([b4_percent_code_provides]) in place of
6155 b4_user_requires and b4_user_provides.
6156 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
6157 Add b4_user_code([b4_percent_code_top]) and
6158 b4_user_code([b4_percent_code]).
6159 Invoke b4_check_percent_code_qualifiers.
6160 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
6161 PERCENT_REQUIRES): Remove.
6162 (grammar_declaration): Remove RHS's for %code-top, %provides, and
6163 %requires. Rewrite the %code RHS as the unqualified form defining the
6164 muscle b4_percent_code. Add another RHS for the qualified %code form,
6165 which defines muscles of the form b4_percent_code_QUALIFIER and the
6166 b4_used_percent_code_qualifiers muscle.
6167 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
6168 PERCENT_REQUIRES): Remove.
6169 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
6170 %code "requires" and %code "provides".
6171 * tests/input.at (Reject bad %code qualifiers): New.
6172
6173 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
6174
6175 Use the new code_props interface for destructors and printers.
6176 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
6177 printer_location members, and change the type of the destructor and
6178 printer members to code_props.
6179 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
6180 symbol_printer_get, semantic_type_destructor_set,
6181 semantic_type_printer_set, default_tagged_destructor_set,
6182 default_tagless_destructor_set, default_tagged_printer_set,
6183 default_tagless_printer_set): Use code_props in arguments and return
6184 types in place of char const * and location.
6185 (symbol_destructor_location_get, symbol_printer_location_get): Remove
6186 since the locations are now contained in the return of
6187 symbol_destructor_get and symbol_printer_get.
6188 * src/output.c (symbol_destructors_output, symbol_printers_output):
6189 Replace with...
6190 (symbol_code_props_output): ... this to eliminate duplicate code.
6191 (output_skeleton): Update to use symbol_code_props_output.
6192 * src/reader.c (symbol_should_be_used): Update use of
6193 symbol_destructor_get.
6194 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
6195 Update uses of the various _destructor_set and _printer_set functions.
6196 * src/symtab.c: (default_tagged_destructor_location,
6197 default_tagless_destructor_location, default_tagged_printer_location,
6198 default_tagless_printer_location): Remove since we...
6199 (default_tagged_destructor, default_tagless_destructor,
6200 default_tagged_printer, default_tagless_printer): ... change the type
6201 of these to code_props.
6202 (symbol_new, semantic_type_new, symbol_destructor_set,
6203 semantic_type_destructor_set, symbol_destructor_get,
6204 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
6205 symbol_check_alias_consistency, default_tagged_destructor_set,
6206 default_tagless_destructor_set, default_tagged_printer_set,
6207 default_tagless_printer_set): Update.
6208 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
6209 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
6210 code_props members.
6211 (symbol_print): Use SYMBOL_CODE_PRINT.
6212
6213 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
6214
6215 Use the new code_props interface for rule actions.
6216 * src/symlist.h (symbol_list): Replace action, action_location, and
6217 used members with a code_props action_props member.
6218 * src/reader.c (symbol_should_be_used, grammar_rule_check,
6219 grammar_midrule_action, grammar_current_rule_merge_set,
6220 grammar_current_rule_symbol_append, packgram): Update.
6221 * src/scan-code.h (translate_rule_action): Remove, no longer used.
6222 * src/scan-code.l (handle_action_dollar): Update.
6223 (translate_rule_action): Remove, no longer used.
6224 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
6225
6226 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
6227
6228 Use the new code_props interface in parse-gram.y.
6229 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
6230 Update all uses of translate_* functions to use the new code_props
6231 interface and to use gram_scanner_last_string_free and
6232 code_scanner_last_string_free where possible.
6233 (grammar_declaration): symbol_list_destructor_set and
6234 symbol_list_printer_set now perform the translation, so don't do it
6235 here. Use gram_scanner_last_string_free where possible.
6236 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
6237 translate_code): Remove, no longer used.
6238 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
6239 symbol_list_printer_set): Perform code translation here rather than
6240 depending on the caller to do so.
6241
6242 * src/symlist.h (struct symbol_list): Correct some documentation typos.
6243 * src/scan-gram.h (gram_last_string): Remove declaration.
6244 * src/scan-gram.l (last_string): Declare it static.
6245
6246 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
6247
6248 Encapsulate code properties and related functionality for the various
6249 destructors, printers, and actions into a code_props structure and
6250 interface. This patch merely implements code_props in scan-code.h and
6251 scan-code.l. Future patches will rewrite other modules to use it.
6252 Discussed starting at
6253 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
6254 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
6255 consistently initialize const structs that have an empty location
6256 field.
6257 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
6258 to ensure consistency.
6259 * src/scan-code.h (code_props): New structure.
6260 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
6261 function, macro, and const global variable for initializing a
6262 code_props with no code.
6263 (code_props_plain_init, code_props_symbol_action_init,
6264 code_props_rule_action_init, code_props_translate_code): The rest of
6265 the new code_props functional interface. Among other things, the init
6266 functions set the code_props kind field so that
6267 code_props_translate_code will know whether to behave like
6268 translate_symbol_action, translate_rule_action, or translate_code.
6269 These old translate functions must remain until all other modules are
6270 updated to use the new code_props interface.
6271 (code_scanner_last_string_free): New function similar to
6272 gram_scanner_last_string_free.
6273 (code_scanner_free): Add documentation.
6274 * src/scan-code.l: Implement the new interface.
6275 (code_lex): Make it static, add a code_props* argument, and remove the
6276 rule argument.
6277 (last_string): New static global similar to the one in scan-gram.l.
6278 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
6279 instead of rule.
6280 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
6281 code_props since Bison may one day use this information for destructors
6282 and printers.
6283 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
6284 (handle_action_dollar): Use symbol_list_n_get and set used flag
6285 directly since symbol_list_n_used_set is removed.
6286 (translate_action): Add a code_props* argument and remove the rule,
6287 action, and location arguments. Pass the code_props* on to code_lex.
6288 (translate_rule_action, translate_symbol_action, translate_code):
6289 Rewrite as wrappers around the new code_props interface.
6290 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
6291 it would eventually need to break the encapsulation of code_props.
6292
6293 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
6294
6295 * etc/.cvsignore: New.
6296
6297 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
6298
6299 Add maintainer-push-check to run maintainer-check using push parsing in
6300 place of pull parsing where available.
6301 * Makefile.am (maintainer-push-check): New.
6302 * data/bison.m4 (b4_use_push_for_pull_if): New.
6303 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
6304 appropriately based on their existing values.
6305 (yypush_parse): Don't print push-parser-specific diagnostics if push
6306 parsing is being used in place of pull parsing.
6307 * data/yacc.c: If push parsing should replace pull parsing, redirect to
6308 push.c.
6309 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
6310 variable, and insert b4_use_push_for_pull_flag into muscles.
6311 * tests/Makefile.am (maintainer-push-check): New.
6312
6313 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
6314
6315 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
6316 (whether successful or failed) so that yypush_parse can be invoked
6317 again to start a new parse using the same yypstate.
6318 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
6319 check multiple yypull_parse invocations on the same yypstate. For pull
6320 mode, extend to check multiple yyparse invocations.
6321 (Exploding the Stack Size with Alloca): Extend to try with
6322 %push-pull-parser.
6323 (Exploding the Stack Size with Malloc): Likewise.
6324
6325 * tests/calc.at (Simple LALR Calculator): Don't specify
6326 %skeleton "push.c" since %push-pull-parser implies that now.
6327 * tests/headers.at (export YYLTYPE): Don't check for the push
6328 declarations. Otherwise, this test case can't be used to see if push
6329 mode can truly emulate pull mode.
6330 * tests/input.at (Torturing the Scanner): Likewise.
6331 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
6332 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
6333 AT_YACC_IF, which now includes the case of push mode since %skeleton
6334 need not be used for push mode. This will be more intuitive once
6335 push.c is renamed to yacc.c.
6336
6337 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
6338
6339 For push mode, convert yyparse from a macro to a function, invoke yylex
6340 instead of passing a yylexp argument to yypull_parse, and don't
6341 generate yypull_parse or yyparse unless %push-pull-parser is declared.
6342 Discussed starting at
6343 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
6344 * data/bison.m4 (b4_pull_if): New.
6345 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
6346 * data/push.c: Improve M4 quoting a little.
6347 (b4_generate_macro_args, b4_parenthesize): Remove.
6348 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
6349 any time a pull parser is requested.
6350 Don't #define this as a wrapper around yypull_parse. Instead, when
6351 both push and pull are requested, make it a function that does that
6352 same thing.
6353 (yypull_parse): If there's a b4_prefix, #define this to
6354 b4_prefix[pull_parse] when both push and pull are requested.
6355 Don't define this as a function unless both push and pull are
6356 requested.
6357 Remove the yylexp argument and hard-code yylex invocation instead.
6358 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
6359 %push-parser.
6360 * src/getargs.c (pull_parser): New global initialized to true.
6361 * getargs.h (pull_parser): extern it.
6362 * src/output.c (prepare): Insert pull_flag muscle.
6363 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
6364 (prologue_declaration): Set both push_parser and pull_parser = true for
6365 %push-pull-parser. Set push_parser = true and pull_parser = false for
6366 %push-parser.
6367 * src/scan-gram.l: Don't accept %push_parser as an alternative to
6368 %push-parser since there's no backward-compatibility concern here.
6369 Scan %push-pull-parser.
6370 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
6371 instead of %push-parser.
6372 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
6373 prototype it in the module that calls yyparse.
6374 * tests/input.at (Torturing the Scanner): Likewise.
6375 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
6376
6377 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
6378
6379 Update etc/bench.pl. Optimize push mode a little (the yyn change
6380 deserves most of the credit).
6381 * Makefile.am (SUBDIRS): Add etc subdirectory.
6382 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
6383 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
6384 yytoken, yyval, and yyloc declarations to...
6385 (yyparse or yypush_parse): ... here to improve performance. For
6386 yypush_parse invocations after the first, be sure to assign yyn its old
6387 value again.
6388 (yypstate_new): Don't bother initializing the yyresult field since the
6389 initial value isn't used.
6390 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
6391 remove the #define that, in push mode, set it to yyps->NAME.
6392 * etc/Makefile.am: New.
6393 * etc/bench.pl: Remove and build it instead from...
6394 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
6395 "tests/bison" from the build directory by default rather than just
6396 invoking "bison" from $PATH.
6397 (calc_grammar): Update push parser code: don't declare yylval globally,
6398 don't define yyparse_wrapper, and don't #define yyparse.
6399 (bench_grammar): Update to check all working combinations of yacc.c,
6400 push.c, impure, pure, pull, and push.
6401
6402 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
6403
6404 For push mode, add pull wrappers around yypush_parse.
6405 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
6406 (yypull_parse): New function wrapping yypush_parse.
6407 (yyparse): New #define wrapping yypull_parse.
6408 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
6409 is declared.
6410 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
6411 prototype yylex in the module that calls yyparse, and don't prototype
6412 yyparse there. Otherwise, the yyparse expansion won't compile.
6413 * tests/input.at (Torturing the Scanner): Likewise.
6414
6415 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
6416
6417 Enable push parsers to operate in impure mode. Thus, %push-parser no
6418 longer implies %pure-parser. The point of this change is to move
6419 towards being able to test the push parser code by running the entire
6420 test suite as if %push-parser had been declared.
6421 * data/push.c (yypush_parse): For impure mode, remove the
6422 yypushed_char, yypushed_val, and yypushed_loc arguments.
6423 Instead, declare these as local variables initialized to the global
6424 yychar, yylval, and yylloc.
6425 For the first yypush_parse invocation only, restore the initial values
6426 of these global variables when it's time to read a token since they
6427 have been overwritten.
6428 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
6429 %push-parser.
6430 * tests/calc.at (Simple LALR(1) Calculator): Always declare
6431 %pure-parser along with %push-parser since this test case was designed
6432 for pure push parsers.
6433 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
6434 (AT_YACC_OR_PUSH_IF): New.
6435 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
6436 add a note that it's still wrong for some cases (as it has been for a
6437 while).
6438 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
6439 %push-parser no longer implies %pure-parser.
6440
6441 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6442
6443 Remove some unnecessary differences between the pull parser code and
6444 the push parser code. This patch enables yynerrs in push mode.
6445 * data/push.c: Reformat M4 a little.
6446 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
6447 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
6448 because push mode is on. Instead, if pure mode is on, move yynerrs
6449 to...
6450 (b4_declare_parser_state_variables): ... here.
6451 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
6452 to yyps->NAME so it can be used in yypush_parse.
6453 (yypush_parse): Don't omit uses of yynerrs in push mode.
6454
6455 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6456
6457 Fix bug such that the first pushed token's value and location are
6458 sometimes overwritten (sometimes by %initial-action) before being used.
6459 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
6460 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
6461 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
6462 more closely mimic the pull parser logic.
6463 Don't copy the pushed token to yychar, yylval, and yylloc until it's
6464 time to read a token, which is after any initialization of yylval and
6465 yylloc.
6466 (gottoken): Rename label to...
6467 (yyread_pushed_token): ... for clarity and to avoid infringing on the
6468 user namespace.
6469
6470 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
6471
6472 Rearrange initialization of the parser state variables so that the
6473 skeleton doesn't have to have a copy for pull mode and another for push
6474 mode. This patch also fixes at least a bug such that yylloc was not
6475 initialized (with b4_location_initial_line and
6476 b4_location_initial_column) upon calling yypush_parse. However, that
6477 initialization now overwrites the first token's location;
6478 %initial-action assigning @$ already did the same thing, and both bugs
6479 will be fixed in a later patch.
6480 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
6481 (b4_declare_parser_state_variables): Remove initialization of yytoken,
6482 yyss, yyvs, yyls, and yystacksize.
6483 (yypstate_new): Remove initialization of some yypstate fields: yystate,
6484 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
6485 yylsp.
6486 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
6487 yyps->NAME so it can be used in yypush_parse.
6488 (yyparse or yypush_parse): For yypush_parse, don't print the
6489 "Starting parse" diagnostic for invocations after the first.
6490 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
6491 yypush_parse, only do it for the first invocation.
6492 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
6493 initialization to occur in yypush_parse but only on the first
6494 invocation.
6495
6496 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6497
6498 * data/push.c: Add CPP guards around push parser declarations in both
6499 the header and the code file.
6500 In the code file, move the push parser declarations to the same place
6501 they appear in the header file.
6502 Clean up the M4 some, especially the inconsistent underquoting in
6503 some b4_c_function_def and b4_c_function_decl uses.
6504
6505 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6506
6507 Encapsulate the push parser state variables into an M4 macro so the
6508 push skeleton doesn't have to list them again for pull mode's yyparse.
6509 For push mode, remove yypush_parse's local equivalents of these
6510 variables to eliminate unnecessary copying between the two sets at
6511 run-time. This patch also fixes at least a bug related to multiple
6512 %initial-action invocations in push mode.
6513 * data/push.c (b4_declare_parser_variables): Rename to...
6514 (b4_declare_scanner_communication_variables): ... this for clarity and
6515 update both uses.
6516 (b4_declare_yyparse_variables): Remove and move its contents to the one
6517 spot where it was invoked.
6518 (b4_declare_parser_state_variables): New macro containing the parser
6519 state variables required by push mode.
6520 (struct yypstate): Replace all fields but yynew with
6521 b4_declare_parser_state_variables.
6522 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
6523 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
6524 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
6525 (yyparse or yypush_parse): For yyparse in pull mode, replace local
6526 parser state variable declarations with
6527 b4_declare_parser_state_variables.
6528 Don't initialize parser state variables when calling yypush_parse since
6529 yypstate_new already does that.
6530 Invoke the user's initial action only upon the first yypush_parse
6531 invocation.
6532 Remove all code that copies between the local parser state variables
6533 and the yypstate.
6534
6535 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
6536
6537 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
6538 prevent a name collision in a future patch where these names will
6539 sometimes be #define'd.
6540 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
6541 since it no longer has the same name as the existing argument.
6542 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
6543
6544 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
6545 and Joel E. Denny <jdenny@ces.clemson.edu>
6546
6547 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
6548 that the argument is case-insensitive, and there's no `=' here.
6549 For the %skeleton entry, mention that %language is better.
6550 (Bison Options): Likewise for --language and --skeleton. Move the
6551 --skeleton entry so that the `Tuning the parser' section is sorted
6552 alphabetically on long options.
6553 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
6554 %language directive in detail here; cross-reference the %language
6555 documentation instead.
6556 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
6557 `%require "2.3b"' so that the example is always up-to-date.
6558 (Table of Symbols): Add entries for %language and %skeleton.
6559 * examples/extexi (normalize): Instead of replacing every %require
6560 argument with the current Bison version, just substitute for
6561 `@value{VERSION}'. This guarantees that we're testing what actually
6562 appears in the documentation.
6563 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
6564 rather than `@VERSION@'.
6565
6566 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
6567
6568 * NEWS: Reword the %language news a bit, and put it earlier.
6569
6570 * src/getargs.c (skeleton_arg): Last arg is now location const *.
6571 Rewrite to simplify the logic.
6572 (language_argmatch): Likewise.
6573 (program_name): We now own this var.
6574 * src/getargs.h (struct bison_language): Use char[] rather than
6575 const char *.
6576
6577 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
6578 Java is supported.
6579 * src/complain.c (program_name): Remove decl; no longer needed.
6580 * src/main.c (program_name): Remove; now belongs to getargs.
6581
6582 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
6583
6584 * NEWS: Document %language.
6585
6586 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
6587
6588 * data/c-skel.m4, data/c++-skel.m4: New files.
6589 * data/glr.c: Complain on push parsers.
6590
6591 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
6592 over %skeleton.
6593 (Decl Summary): Document %language and %skeleton.
6594 (Command line): Document -L.
6595
6596 * examples/extexi: Rewrite %require directive.
6597 * examples/calc++/Makefile.am: Pass VERSION to extexi.
6598
6599 * src/files.c (compute_exts_from_gc): Look in language structure
6600 for .y extension.
6601 (compute_file_name_parts): Check whether .tab should be added.
6602 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
6603 (language, skeleton_arg, language_argmatch): New.
6604 (long_options): Add --language.
6605 (getargs): Use skeleton_arg, add -L/--language.
6606 * src/getargs.h: Include location.h.
6607 (struct bison_language, language, skeleton_arg, language_argmatch): New.
6608 * src/output.c (prepare): Pick default skeleton from struct language.
6609 Don't dispatch C skeletons here.
6610 * src/parse-gram.y (PERCENT_LANGUAGE): New.
6611 (prologue_declaration): Add "%language" rule, use skeleton_arg.
6612 * src/scan-gram.l ("%language"): New rule.
6613
6614 * tests/calc.at: Test %skeleton and %language.
6615 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
6616 (AT_GLR_IF): Look for %skeleton "glr.cc".
6617 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
6618 (AT_YACC_IF): Reject %language.
6619
6620 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
6621
6622 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
6623 since it wasn't used; only the typedef name 'semantic_type' is needed.
6624 Also, omit trailing white space.
6625
6626 * bootstrap: Sync from coreutils.
6627 (gnulib_extra_files): Add build-aux/announce.gen.
6628 (slurp): Adjust .gitignore files like .cvsignore files.
6629 * build-aux/announce-gen: Remove from CVS, since bootstrap
6630 now creates this.
6631
6632 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
6633
6634 Make %push-parser imply %pure-parser. This fixes several bugs; see
6635 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
6636 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
6637 pure_parser = true.
6638 * data/push.c: Don't bother testing b4_push_if when deciding whether
6639 to expand b4_declare_parser_variables globally.
6640 (yypush_parse): Likewise in here.
6641
6642 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
6643 (yy_reduce_print): Reformat M4 for readability.
6644
6645 2006-12-15 Bob Rossi <bob@brasko.net>
6646 and Joel Denny <jdenny@ces.clemson.edu>
6647
6648 * data/push.c (yypstate): Add typedef, and update all uses of
6649 struct yypstate to just yypstate.
6650 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
6651
6652 2006-12-14 Bob Rossi <bob@brasko.net>
6653
6654 * data/push.c (yypush_parse): Declare prototype regardless of
6655 %locations option.
6656
6657 2006-12-14 Bob Rossi <bob@brasko.net>
6658
6659 * data/push.c (yyparse): Remove the prototype and the #define when in
6660 push-parser mode.
6661
6662 2006-12-13 Bob Rossi <bob@brasko.net>
6663
6664 * data/push.c (yypstate_init): Rename to...
6665 (yypstate_new): ... this and use b4_c_function_def.
6666 (yypstate_delete): New.
6667 (yypush_parse): Change parameters yynval and yynlloc to be const.
6668 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
6669 yypstate_delete functions.
6670
6671 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
6672
6673 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
6674 strange test case titles. Reported by Bob Rossi.
6675
6676 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
6677
6678 * TODO: Add pointer to Sylvain Schmitz's work on static detection
6679 of potential ambiguities in GLR grammers.
6680
6681 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
6682
6683 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
6684 `bison ', use m4_index instead of m4_substr since chopping up a string
6685 containing M4-special characters causes problems here.
6686
6687 Fix a couple of bugs related to special characters in user-specified
6688 file names, and make it easier for skeletons to compute output file
6689 names with the same file name prefix as Bison-computed output file
6690 names.
6691 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
6692 b4_parser_file_name and b4_spec_defines_file instead of
6693 @output_parser_name@ and @output_header_name@, which are now redundant.
6694 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
6695 b4_parser_file_name, b4_spec_defines_file, and the new
6696 @basename(FILENAME@) instead of @output_parser_name@ and
6697 @output_header_name@, which inappropriately escaped the file names as
6698 C string literals.
6699 * src/files.c (all_but_ext): Remove static qualifier.
6700 (compute_output_file_names): Move `free (all_but_ext)' to...
6701 (output_file_names_free): ... here since all_but_ext is needed later.
6702 * src/files.h (all_but_ext): Extern.
6703 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
6704 exactly what MUSCLE_INSERT_STRING used to do.
6705 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
6706 characters are escaped properly.
6707 * src/output.c (prepare): Define muscle file_name_all_but_ext as
6708 all_but_ext.
6709 For pkgdatadir muscle, maintain previous functionality by using
6710 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
6711 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
6712 digraphs would never be expanded. Hopefully no one has M4-special
6713 characters in his Bison installation path.
6714 * src/scan-skel.l: Don't parse @output_header_name@ and
6715 @output_parser_name@ anymore since they're now redundant.
6716 In @output, use decode_at_digraphs.
6717 Parse a new @basename command that invokes last_component.
6718 (decode_at_digraphs): New.
6719 (BASE_QPUTS): Remove unused.
6720 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
6721 (Output file name): New tests.
6722
6723 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
6724
6725 Warn about output files that are generated by the skeletons and that
6726 conflict with other output files.
6727 * data/glr.c: Don't generate the header file here when glr.cc does.
6728 * src/files.c (file_names, file_names_count): New static globals.
6729 (compute_output_file_names): Invoke output_file_name_check for files
6730 not generated by the skeletons and remove existing checks.
6731 (output_file_name_check): New function that warns about conflicting
6732 output file names.
6733 (output_file_names_free): Free file_names.
6734 * src/files.h (output_file_name_check): Declare.
6735 * src/scan-skel.l: Invoke output_file_name_check for files generated by
6736 the skeletons.
6737 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
6738 (Conflicting output files): New tests.
6739
6740 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6741
6742 * doc/bison.texinfo: Fix a couple of typos.
6743
6744 2006-12-08 Bob Rossi <bob@brasko.net>
6745
6746 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
6747 Rename to...
6748 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
6749 update all uses.
6750 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
6751 (yypush_parse): Rename yypvars argument to yyps and remove redundant
6752 local pv.
6753 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
6754 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
6755
6756 2006-12-07 Bob Rossi <bob@brasko.net>
6757 and Joel Denny <jdenny@ces.clemson.edu>
6758
6759 * data/push.c (yypvarsinit): Change return type from void* to struct
6760 yypvars*. No longer cast to void* on return.
6761 (struct yypvars): Remove yylen since it need not be remembered between
6762 yypushparse invocations.
6763 (yypushparse): Don't copy between yylen and pv->yylen.
6764
6765 2006-12-05 Bob Rossi <bob@brasko.net>
6766
6767 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
6768 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
6769 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
6770 (struct yypvars): Remove b4_declare_parser_variables.
6771 (yypvarsinit): Remove init code for removed variables.
6772 (global scope): Do not declare b4_declare_parser_variables if
6773 push or pure mode.
6774 (yypushparse): Add b4_declare_parser_variables.
6775 Init new local variables, and remove init code for removed
6776 yypvars variables.
6777 (yyparse): Delete.
6778 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
6779 and yyparse for other modes.
6780 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
6781 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
6782 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
6783 (AT_PURE_LEX_IF): True if pure or push parser.
6784
6785 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
6786
6787 Document Yacc prologue alternatives and default %destructor's and
6788 %printer's as experimental. Don't mention Java yet. Discussed at
6789 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
6790 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
6791 (2.3a): Annotate this entry to say the old forms of these features were
6792 also experimental.
6793 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
6794 Table of Symbols): Say they're experimental. Comment out any mention
6795 of Java (we'll want this back eventually).
6796
6797 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
6798
6799 Support a file name argument to %defines. Deprecate `=' in
6800 %file-prefix, %name-prefix, and %output. Discussed at
6801 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
6802 * NEWS (2.3a+): Mention.
6803 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
6804 form of %defines, and remove `=' from entries for %file-prefix,
6805 %name-prefix, and %output.
6806 * src/parse-gram.y (prologue_declaration): Implement.
6807 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
6808 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
6809 all but one occurrence of %name-prefix.
6810 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
6811 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
6812 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
6813 occurrence of each of %file-prefix and %output. Add check for %defines
6814 with argument.
6815 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
6816 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
6817 Remove the `=' from %output.
6818
6819 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
6820
6821 Don't escape $ in test case titles since Autoconf 2.61 now does that
6822 correctly.
6823 * tests/actions.at (Default %printer and %destructor are not for error
6824 or $undefined): Here.
6825 (Default %printer and %destructor are not for $accept): Here.
6826 * tests/input.at (Invalid $n and @n): Here.
6827
6828 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
6829
6830 Rename <!> to <>. Discussed starting at
6831 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
6832 * NEWS (2.3a+): Update.
6833 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
6834 Update.
6835 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
6836 * src/scan-gram.l (INITIAL): Implement.
6837 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
6838 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
6839 comment.
6840 * tests/actions.at (Default tagless %printer and %destructor,
6841 Default tagged and per-type %printer and %destructor,
6842 Default %printer and %destructor are not for error or $undefined,
6843 Default %printer and %destructor are not for $accept,
6844 Default %printer and %destructor for mid-rule values): Update.
6845 * tests/input.at (Default %printer and %destructor redeclared,
6846 Unused values with default %destructor): Update.
6847
6848 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
6849
6850 Don't let %prec take a nonterminal.
6851 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
6852 token.
6853 * tests/input.at (%prec takes a token): New test checking that %prec
6854 won't take a nonterminal.
6855
6856 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
6857
6858 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
6859 it was double-quoted.
6860 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
6861 grammar is maintained with Bison's highest standards.
6862 * src/getargs.c: Fix some typos in Doxygen comments.
6863
6864 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
6865
6866 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
6867 later. Reported by Paul Eggert in
6868 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
6869 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
6870 * src/scan-code.l (translate_action): Don't bother invoking
6871 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
6872 (code_scanner_free): Instead of invoking
6873 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
6874 which frees more.
6875 * src/scan-gram.l (gram_scanner_free): Likewise.
6876 * src/scan-skel.l (scan_skel): Likewise.
6877
6878 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
6879
6880 * src/files.c (tr): Change return type to void.
6881 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
6882 has been called previously for the same key.
6883 (muscle_find): Return storage instead of value so that
6884 --enable-gcc-warnings doesn't produce warnings that the return discards
6885 const. aver that the value and storage are the same since storage
6886 could potentially be NULL when value is not.
6887 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
6888 same as 0.
6889
6890 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6891
6892 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
6893 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
6894 us a slightly cleaner distribution, and also works.
6895 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
6896 gnulib changes.
6897
6898 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
6899 and Paul Eggert <eggert@cs.ucla.edu>
6900
6901 Don't let Bison leak memory except when it complains.
6902 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
6903 (spec_defines_file, dir_prefix): Now char *, not const char *,
6904 since they are freed.
6905 * src/files.c: Likewise.
6906 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
6907 Likewise.
6908 (tr): Now operates in-place. All uses changed.
6909 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
6910 values.
6911 (compute_file_name_parts, compute_output_file_names): Don't store
6912 read-only data in variables that will be freed.
6913 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
6914 src_extension, and header_extension.
6915 (output_file_names_free): New public function to free
6916 spec_verbose_file, spec_graph_file, spec_defines_file,
6917 parser_file_name, and dir_prefix.
6918 * src/getargs.c (getargs): Don't store read-only data in variables that
6919 will be freed.
6920 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
6921 (which previously existed but was unused), and quotearg_free.
6922 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
6923 * src/muscle_tab.c: Likewise.
6924 (muscle_entry): Make the value char const *,
6925 and add a new storage member that is char * and can be freed.
6926 (muscle_entry_free): New private function.
6927 (muscle_init): Use it instead of free.
6928 (muscle_insert, muscle_grow): Update and use new storage member.
6929 (muscle_code_grow): Free the string passed to muscle_grow
6930 since it's not needed anymore.
6931 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
6932 add a new `char *code' member.
6933 ("{...}"): Declare semantic type as code.
6934 * src/scan-code.h (translate_rule_action):
6935 (translate_symbol_action, translate_code, translate_action): Return
6936 `char const *' rather than `char *' since external code should not free
6937 these strings.
6938 * src/scan-code.l: Likewise.
6939 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
6940 which is "{...}" in the parser.
6941 * tests/Makefile.am (maintainer-check-valgrind): Set
6942 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
6943 Valgrind.
6944 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
6945 complain.
6946 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
6947 expecting a non-zero exit status sets --leak-check=summary and
6948 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
6949 this case, and we don't want to hear about it.
6950
6951 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
6952
6953 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
6954 instead of from the template, to simplify configuration a bit.
6955 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
6956 and m4/wint_t.m4, as they are needed with the latest gnulib.
6957
6958 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6959
6960 Disable unset/unused mid-rule value warnings by default, and recognize
6961 --warnings=midrule-values to enable them. Discussed starting at
6962 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
6963 * NEWS (2.3a+): Mention.
6964 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
6965 warnings): Add entry for midrule-values subargument.
6966 * src/reader.c (symbol_should_be_used): Don't return true just because
6967 the value is a set/used mid-rule value unless
6968 --warnings=midrule-values was specified.
6969 * tests/input.at (Unused values, Unused values before symbol
6970 declarations): Run tests with and without --warnings=midrule-values.
6971
6972 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
6973 than LIST_FREE directly.
6974
6975 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6976
6977 Finish implementing --warnings=error, which should not be implied by
6978 --warnings=all (or by its synonyms -W and --warnings without
6979 subarguments).
6980 * src/complain.c (set_warning_issued): New function to report that
6981 warnings are being treated as errors and to record an error if so.
6982 Invoke...
6983 (warn_at, warn): ... here.
6984 * src/getargs.c (warnings_args, warnings_types): Reorder so that
6985 "error - warnings are errors" does not appear above "all - all of the
6986 above".
6987 (getargs): For -W and --warnings without subarguments, don't let
6988 FLAGS_ARGMATCH set warnings_error in warnings_flag.
6989 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
6990
6991 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
6992
6993 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
6994 empty subargument list. For example: `bison --warnings= parser.y'.
6995
6996 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
6997
6998 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
6999 the parser header file so that gcc doesn't warn.
7000
7001 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
7002
7003 Split the default %destructor/%printer into two kinds: <*> and <!>.
7004 Discussed starting at
7005 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
7006 * NEWS (2.3a+): Mention.
7007 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
7008 previous change today related to mid-rules.
7009 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
7010 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
7011 (TYPE_TAG_ANY): Add as <*>.
7012 (TYPE_TAG_NONE): Add as <!>.
7013 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
7014 for <*> and <!>.
7015 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
7016 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
7017 * src/symlist.c (symbol_list_default_new): Split into tagged and
7018 tagless versions.
7019 (symbol_list_destructor_set, symbol_list_printer_set): Split
7020 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
7021 SYMLIST_DEFAULT_TAGLESS.
7022 * src/symlist.h: Update symbol_list_default*_new prototypes.
7023 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
7024 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
7025 * src/symtab.c (default_destructor, default_destructor_location,
7026 default_printer, default_printer_location): Split each into tagged and
7027 tagless versions.
7028 (symbol_destructor_get, symbol_destructor_location_get,
7029 symbol_printer_get, symbol_printer_location_get): Implement tagged
7030 default and tagless default cases.
7031 (default_destructor_set, default_printer_set): Split each into tagged
7032 and tagless versions.
7033 * src/symtab.h: Update prototypes.
7034 * tests/actions.at (Default %printer and %destructor): Rename to...
7035 (Default tagless %printer and %destructor): ... this, and extend.
7036 (Per-type %printer and %destructor): Rename to...
7037 (Default tagged and per-type %printer and %destructor): ... this, and
7038 extend.
7039 (Default %printer and %destructor for user-defined end token): Extend.
7040 (Default %printer and %destructor are not for error or $undefined):
7041 Update.
7042 (Default %printer and %destructor are not for $accept): Update.
7043 (Default %printer and %destructor for mid-rule values): Extend.
7044 * tests/input.at (Default %printer and %destructor redeclared): Extend.
7045 (Unused values with default %destructor): Extend.
7046
7047 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
7048
7049 Don't apply the default %destructor/%printer to an unreferenced midrule
7050 value. Mentioned at
7051 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
7052 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
7053 like $@n instead of just @n so that the default %destructor/%printer
7054 logic doesn't see them as user-defined symbols.
7055 (symbol_is_dummy): Check for both forms of the name.
7056 * src/reader.c (packgram): Remove the `$' from each midrule symbol
7057 name for which the midrule value is referenced in any action.
7058 * tests/actions.at (Default %printer and %destructor for mid-rule
7059 values): New test.
7060 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
7061 for change to dummy symbol names.
7062
7063 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
7064
7065 Warn about unset midrule $$ if the corresponding $n is used.
7066 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
7067 $n usage.
7068 (packgram): Before invoking grammar_rule_check on any rule, make sure
7069 all actions have already been scanned in order to set `used' flags.
7070 Otherwise, checking that a midrule's $$ is set will not always work
7071 properly because the midrule check must forward-reference the midrule's
7072 parent rule.
7073 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
7074 warning.
7075
7076 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
7077
7078 More improvements to the documentation of the prologue alternatives:
7079 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
7080 Bison manual.
7081 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
7082 some text to clarify the relative importance of the new directives and
7083 to show how these directives may be viewed as code labels.
7084
7085 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
7086
7087 Similar to the recently removed %before-header, add %code-top as the
7088 alternative to the pre-prologue. Mentioned at
7089 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
7090 Also, let the prologue alternatives appear in the grammar section.
7091 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
7092 (prologue_declaration): Move the existing prologue alternatives to...
7093 (grammar_declaration): ... here and add %code-top.
7094 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
7095
7096 Clean up and extend documentation for the prologue alternatives.
7097 * NEWS (2.3a+): Describe prologue alternatives.
7098 * doc/bison.texinfo (Prologue): Move discussion of prologue
7099 alternatives to...
7100 (Prologue Alternatives): ... this new section, and extend it to discuss
7101 all 4 directives in detail.
7102 (Table of Symbols): Clean up discussion of prologue alternatives and
7103 add %code-top.
7104
7105 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7106
7107 DJGPP specific issues.
7108
7109 * djgpp/config.bat: config.hin has been moved to lib. Adjust
7110 config.bat accordingly.
7111 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
7112 * djgpp/config.site: Likewise.
7113
7114 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
7115
7116 Replace %*-header with %provides, %requires, %code. See discussion at
7117 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
7118
7119 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
7120 (b4_user_start_header): Remove.
7121 * data/glr.c: Use new macros instead of b4_*start_header
7122 and b4_*end_header.
7123 * data/glr.cc: Likewise.
7124 * data/lalr1.cc: Likewise.
7125 * data/push.c: Likewise.
7126 * data/yacc.c: Likewise.
7127
7128 * doc/bison.texinfo: Remove %before-header, rename
7129 %{start,end,after}-header to %requires, %provides, %code.
7130
7131 * src/parse-gram.y: Likewise (also rename token names accordingly).
7132 * src/scan-gram.l: Likewise.
7133 * tests/actions.at: Likewise.
7134
7135 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
7136
7137 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
7138 Problem reported by Joel E. Denny.
7139
7140 2006-10-14 Jim Meyering <jim@meyering.net>
7141
7142 (Sync from coreutils.)
7143 Work also when the working directory (with e.g. coreutils sources)
7144 is version controlled with git, rather than CVS.
7145 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
7146 rather than CVS.
7147 In messages and comments, say e.g., "checked-out sources",
7148 rather than "CVS sources".
7149 (version_controlled_file): New function. Work for git as well as
7150 for CVS. Don't use grep's -q option.
7151 (slurp): Call it here, in place of CVS-specific code.
7152
7153 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
7154
7155 Fix testsuite for ./configure --enable-gcc-warnings:
7156 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
7157 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
7158 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
7159 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
7160 * test/regression.at (Diagnostic that expects two alternatives):
7161 Likewise.
7162
7163 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
7164
7165 * bootstrap.conf (gnulib_modules): Add config-h.
7166 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
7167 worry about HAVE_CONFIG_H.
7168 * lib/abitset.c: Likewise.
7169 * lib/bitset.c: Likewise.
7170 * lib/bitset_stats.c: Likewise.
7171 * lib/bitsetv-print.c: Likewise.
7172 * lib/bitsetv.c: Likewise.
7173 * lib/ebitset.c: Likewise.
7174 * lib/get-errno.c: Likewise.
7175 * lib/lbitset.c: Likewise.
7176 * lib/subpipe.c: Likewise.
7177 * lib/timevar.c: Likewise.
7178 * lib/vbitset.c: Likewise.
7179 * lib/bitset.c: Include "bitset.h" first, to test interface.
7180 * lib/bitset_stats.c: Include "bitset_stats.h" first.
7181 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
7182 * lib/bitsetv.c: Include "bitsetv.h" first.
7183 * lib/get-errno.c: Include "get-errno.h" first.
7184 * m4/.cvsignore: Add config-h.m4.
7185 * tests/actions.at (Default %printer and %destructor for ...):
7186 Adjust expected line numbers in output to reflect removal of #if
7187 HAVE_CONFIG_H lines.
7188 * tests/glr-regression.at (Missed %merge type warnings when ...):
7189 Likewise.
7190 * tests/regression.at (Braced code in declaration in rules section):
7191 Likewise.
7192 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
7193 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
7194 Include <config.h> unconditionally.
7195
7196 * bootstrap: Sync from coreutils, as follows:
7197
7198 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
7199
7200 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
7201 variable was sometimes used without being initialized. This
7202 messed up the installation of the INSTALL file in some cases.
7203
7204 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
7205
7206 * bootstrap (usage, main program, symlink_to_gnulib): Add option
7207 --copy. Inspired by a suggestion from Bruno Haible.
7208
7209 2006-10-03 Jim Meyering <jim@meyering.net>
7210
7211 * bootstrap: Undo last change to this file, since now gnulib-tool
7212 sticks with the automake default in generating dependencies.
7213
7214 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
7215
7216 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
7217 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
7218
7219 * doc/bison.1: Add copyright notice.
7220
7221 * data/glr.c: Don't include <stdarg.h>; not used.
7222
7223 * NEWS: The -g and --graph options now output graphs in Graphviz
7224 DOT format, not VCG format.
7225 * doc/bison.1: Likewise.
7226 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
7227 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
7228 of this change in
7229 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
7230 * TODO: Remove Graphviz entry.
7231 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
7232 remove vcg.c, vcg.h, vcg_defaults.h.
7233 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
7234 * src/graphviz.c, src/graphviz.h: New files.
7235 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
7236 * src/files.h: Make comment more generic.
7237 * src/main.c (main): Likewise.
7238 * src/print_graph.h: Likewise.
7239 * src/getargs.c (usage): Make usage description more generic.
7240 * src/print_graph.c: Include graphviz.h rather than vcg.h.
7241 (static_graph, fgraph): Remove. All uses changed to pass
7242 arguments instead of sharing a static var.
7243 (print_core, print_actions, print_state, print_graph):
7244 Output graphviz format rather than VCG format.
7245 * tests/.cvsignore: Remove *.vcg; add *.dot.
7246 * tests/output.at: Expect *.dot files, not *.vcg files.
7247
7248 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
7249 accommodates the 2006-10-08 change.
7250
7251 2006-10-11 Bob Rossi <bob@brasko.net>
7252
7253 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
7254 (b4_yyssa, b4_yyerror_range): New macros.
7255 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
7256 (yypvarsinit): Remove init of removed fields.
7257 (yypushparse): Remove use of removed fields; use new macros instead.
7258
7259 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
7260
7261 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
7262 in a push parser. Reindent slightly to match yacc.c better.
7263
7264 2006-10-11 Bob Rossi <bob@brasko.net>
7265
7266 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
7267 yymsg_alloc fields.
7268 (yypvarsinit, yypushparse): Remove init of removed fields.
7269 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
7270
7271 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
7272
7273 * THANKS: Add Paolo Bonzini and Bob Rossi.
7274
7275 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
7276
7277 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
7278 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
7279 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
7280 b4_define_user_cde and uses): Remove.
7281 (b4_comment, b4_prefix, b4_sync_start): New.
7282 * data/bison.m4: New file, with most of the content removed from c.m4.
7283 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
7284 * src/output.c (output_skeleton): Pass bison.m4.
7285 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
7286 only if specified.
7287
7288 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
7289
7290 Fix test failure reported by Tom Lane in
7291 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
7292 and try to make such failures easier to catch in the future.
7293 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
7294 that's now the caller's responsibility.
7295 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
7296 Set yychar = YYEOF if it's negative.
7297 * tests/actions.at (yylex): Abort if asked to read past EOF.
7298 * tests/conflicts.at (yylex): Likewise.
7299 * tests/cxx-type.at (yylex): Likewise.
7300 * tests/glr-regression.at (yylex): Likewise.
7301 * tests/input.at (yylex): Likewise.
7302 * tests/regression.at (yylex): Likewise.
7303 * tests/torture.at (yylex): Likewise.
7304
7305 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
7306
7307 Fix problems with translating English-language diagnostics.
7308 * bootstrap: Fix bug introduced in recent bootstrap changes, with
7309 respect to bison-runtime pot generation. The YY_ stuff
7310 wasn't being captured.
7311 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
7312 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
7313 * runtime-po/POTFILES.in: Add data/push.c.
7314
7315 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
7316
7317 Merge bootstrap changes from coreutils.
7318
7319 2006-09-28 Jim Meyering <jim@meyering.net>
7320
7321 Automatically generated dependencies are important even
7322 when all of the sources in a directory come from gnulib.
7323 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
7324 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
7325
7326 2006-09-23 Jim Meyering <jim@meyering.net>
7327
7328 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
7329
7330 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7331
7332 * bootstrap: Add support for --force.
7333 (usage): New function. Describe usage less tersely.
7334 (CVS_only_file): New var.
7335
7336 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
7337
7338 * data/push.c (YYPUSH_MORE): Make it an enum instead.
7339 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
7340 Adjust white space and comments to match GNU style better.
7341
7342 2006-09-20 Bob Rossi <bob@brasko.net>
7343
7344 * data/push.c (yyresult_get): Remove function.
7345 (YYPUSH_MORE): Add #define.
7346 (yypushparse): Modify return value.
7347
7348 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7349
7350 * stamp-h.in: Remove; no longer needed.
7351 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
7352 Remove config.h, config.hin, intl (no longer created).
7353 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
7354 stamp-h1.
7355
7356 Sync bootstrap from coreutils, as follows:
7357
7358 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
7359
7360 * bootstrap (symlink_to_gnulib): New function.
7361 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
7362 to copies-of-gnulib.
7363 (cp_mark_as_generated, slurp, gnulib_files):
7364 Avoid making a copy if it's the same as the old version.
7365 (gnulib_files): Add support for this variable (used by Bison).
7366
7367 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
7368
7369 * src/getargs.c (usage): Rework to use conventions similar to
7370 coreutils, to make translation a bit easier and the code a bit
7371 smaller. Problem reported by Tim Van Holder.
7372
7373 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
7374
7375 Use some of gnulib's new modules, taken from coreutils.
7376
7377 * bootstrap: Sync from coreutils, except add support for gnulib_files.
7378 * bootstrap.conf: New file.
7379 (gnulib_modules): Add configmake, inttypes, unistd.
7380 (XGETTEXT_OPTIONS): Add complain, complain_at,
7381 fatal, fatal_at, warn, warn_at, unexpected_end.
7382 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
7383 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
7384 (gl_EARLY): Add.
7385 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
7386 (gl_INIT): Add
7387 (GNULIB_AUTOCONF_SNIPPET): Remove.
7388 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
7389 the pickiest.
7390 * lib/.cvsignore: Add inttypes_.h.
7391 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
7392 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
7393 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
7394 no-longer-necessary initializations.
7395 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
7396 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
7397 use the unistd module.
7398 * src/system.h: Likewise.
7399 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
7400 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
7401 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
7402 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
7403 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
7404 * src/system.h: Include inttypes.h unconditionally, now that we
7405 use the inttypes module. Don't bother to include stdint.h, since
7406 inttypes.h now does that for us.
7407 (LOCALEDIR): Remove, now that we use the configmake module.
7408 * src/getargs.c: Include configmake.h.
7409 * src/main.c: Likewise.
7410 * src/output.c: Likewise.
7411 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
7412 not from $abs_top_builddir, since config.h moved.
7413
7414
7415 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
7416 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
7417
7418 * src/parse-gram.y (symbol_declaration): Don't put statements
7419 before declarations; it's not portable to C89.
7420 * src/scan-code.l (handle_action_at): Likewise.
7421
7422 * src/scan-code.l: Always initialize braces_level; the old code
7423 left it uninitialized and therefore had undefined behavior.
7424
7425 Don't attempt to redefine 'assert', since it runs afoul of
7426 systems where standard headers (mistakenly) include <assert.h>.
7427 Instead, define and use our own alternative, called 'aver'.
7428 * src/reader.c: Don't include assert.h, since we no longer
7429 use assert.
7430 * src/scan-code.l: Likewise.
7431 * src/system.h (assert): Remove, replacing with....
7432 (aver): New function, taking a bool arg. All uses changed.
7433 * src/tables.c (pack_vector): Ensure that aver arg is bool,
7434 not merely an integer.
7435
7436 2006-09-15 Bob Rossi <bob@brasko.net>
7437
7438 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
7439 * data/c.m4 (YYPUSH): New.
7440 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
7441 * src/getargs.c (push_parser): New var.
7442 * src/getargs.h (push_parser): New declaration.
7443 * src/output.c (prepare): Add macro insertion of `push_flag'.
7444 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
7445 (prologue_declaration): Parse %push-parser.
7446 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
7447 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
7448 list of removed lines from the traces observed.
7449 (AT_CHECK_CALC_LALR): Added push parser tests.
7450
7451 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
7452
7453 * NEWS: Version 2.3a.
7454 * configure.ac (AC_INIT): Likewise.
7455
7456 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
7457 "#define YYSTYPE int" that caused "make maintainer-check" to fail
7458 due to header ordering dependencies. I don't know why the #define
7459 was there.
7460
7461 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
7462 runtime cost when YYDEBUG is not defined, and so that some tests
7463 that used to fail now work. Problem and initial suggestion by
7464 Paolo Bonzini.
7465 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
7466 * data/glr.cc (b4_parser_class_name):
7467 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
7468 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
7469 (yydebug_) [YYDEBUG]: New member.
7470 (yycdebug_): Now defined only if YYDEBUG.
7471 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
7472 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
7473 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
7474 if YYYDEBUG.
7475 (debug_stream, set_debug_stream, debug_level, set_debug_level):
7476 Define only if YYDEBUG.
7477 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
7478 set_debug_level.
7479 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
7480 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
7481 AT_CHECK_CALC_GLR_CC that are working now.
7482
7483 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
7484
7485 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
7486 We don't need them in glr.cc, and glr.c defines them.
7487 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
7488 assumes that defining it to anything is the same as defining
7489 it to 1. Problem reported by Paolo Bonzini.
7490
7491 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
7492
7493 * data/c.m4 (b4_null, b4_case): Define.
7494 * src/output.c (prepare_symbols): Use b4_null.
7495 (user_actions_output): Use b4_case.
7496
7497 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
7498
7499 * data/glr.c (b4_shared_declarations): Put start-header first,
7500 before any #includes that we generate, so that feature-test
7501 macros work. Problem reported by Michael Deutschmann in
7502 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
7503 * data/lalr1.cc: Likewise.
7504 * doc/bison.texinfo (Prologue): Document that feature-test macros
7505 should be defined before any Bison declarations.
7506 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
7507 that depend on location.hh after, not before, Bison decls, since
7508 we now include location.hh after the first user prologue.
7509
7510 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
7511 Sander Brandenburg in
7512 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
7513 Also, fix minor white space and comment issues.
7514 (Prologue): Mention that it's better to define feature-test macros
7515 before Bison declarations. Problem reported by Michael Deutschmann.
7516
7517 * README-cvs: Fix typo: "&" should be "&&". Problem reported
7518 by Jim Meyering.
7519 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
7520 This adjusts to recent gnulib changes.
7521
7522 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
7523
7524 Finish implementation of per-type %destructor/%printer. Discussed
7525 starting at
7526 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
7527 and
7528 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
7529 * NEWS (2.3+): Add a description of this feature to the default
7530 %destructor/%printer description.
7531 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
7532 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
7533 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
7534 list node contains a semantic type.
7535 * src/symtab.c, src/symtab.h: Extend with a table that associates
7536 semantic types with their %destructor's and %printer's.
7537 (semantic_type_from_uniqstr, semantic_type_get,
7538 semantic_type_destructor_set, semantic_type_printer_set): New functions
7539 composing the public interface of that table.
7540 (symbol_destructor_get, symbol_destructor_location_get,
7541 symbol_printer_get, symbol_printer_location_get): If there's no
7542 per-symbol %destructor/%printer, look up the per-type before trying
7543 the default.
7544 * tests/actions.at (Per-type %printer and %destructor): New test case.
7545 * tests/input.at (Default %printer and %destructor redeclared):
7546 Extend to check that multiple occurrences of %symbol-default in a
7547 single %destructor/%printer declaration is an error.
7548 (Per-type %printer and %destructor redeclared, Unused values with
7549 per-type %destructor): New test cases.
7550
7551 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
7552
7553 Require default %destructor/%printer to be declared using
7554 %symbol-default instead of an empty symbol list, and start working on
7555 new per-type %destructor/%printer. Discussed at
7556 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
7557 * NEWS (2.3+): Add %symbol-default to example.
7558 * bison.texinfo (Freeing Discarded Symbols): Likewise.
7559 (Table of Symbols): Add entry for %symbol-default.
7560 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
7561 (generic_symlist, generic_symlist_item): New nonterminals for creating
7562 a list in which each item is a symbol, semantic type, or
7563 %symbol-default.
7564 (grammar_declaration): Use generic_symlist in %destructor and %printer
7565 declarations instead of symbols.1 or an empty list.
7566 (symbol_declaration, precedence_declaration, symbols.1): Update actions
7567 for changes to symbol_list.
7568 * src/reader.c: Update for changes to symbol_list.
7569 * src/scan-code.l: Likewise.
7570 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
7571 * src/symlist.c, src/symlist.h: Extend such that a list node may
7572 represent a semantic type or a %symbol-default in addition to just an
7573 ordinary symbol. Add switched functions for setting %destructor's and
7574 %printer's.
7575 * tests/actions.at, tests/input.at: Add %symbol-default to all default
7576 %destructor/%printer declarations.
7577
7578 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
7579
7580 Whether the default %destructor/%printer applies to a particular symbol
7581 isn't a question of whether the user *declares* that symbol (in %token,
7582 for example). It's a question of whether the user by any means
7583 *defines* the symbol at all (by simply using a char token, for
7584 example). $end is defined by Bison whereas any other token with token
7585 number 0 is defined by the user. The error token is always defined by
7586 Bison regardless of whether the user declares it with %token, but we
7587 may one day let the user define error as a nonterminal instead.
7588 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
7589 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
7590 the meaning of "user-defined".
7591 * tests/actions.at (Default %printer and %destructor for user-declared
7592 end token): Rename to...
7593 (Default %printer and %destructor for user-defined end token): ...
7594 this.
7595
7596 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
7597 computation of whether to apply the default, don't maintain a list of
7598 every Bison-defined symbol. Instead, just check for a first character
7599 of '$', which a user symbol cannot have, and check for the error token.
7600
7601 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
7602
7603 Don't apply the default %destructor or %printer to the error token,
7604 $undefined, or $accept. This change fits the general rule that the
7605 default %destructor and %printer are only for user-declared symbols,
7606 and it solves several difficulties that are described in the new test
7607 cases listed below.
7608 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
7609 * tests/actions.at (Default %printer and %destructor are not for error
7610 or $undefined, Default %printer and %destructor are not for $accept):
7611 New test cases.
7612
7613 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
7614
7615 Allow %start after the first rule.
7616 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
7617 when parsing the first rule.
7618 (check_and_convert_grammar): Search for it here after all grammar
7619 declarations have been parsed. Skip midrules, which have dummy LHS
7620 nonterminals.
7621 * src/symtab.c (symbol_is_dummy): New function.
7622 * src/symtab.h (symbol_is_dummy): Declare it.
7623 * tests/input.at (%start after first rule): New test.
7624
7625 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
7626
7627 Redo some of the previous commit: add back the ability to use
7628 non-aliased/undeclared string literals since it might be useful to
7629 those declaring %token-table.
7630 * src/reader.c (check_and_convert_grammar): Undo changes in previous
7631 commit: don't worry about complaints from symbols_pack.
7632 * src/symtab.c (symbol_new, symbol_class_set,
7633 symbol_check_alias_consistency): Undo changes in previous commit: count
7634 each string literal as a new symbol and token, assign it a symbol
7635 number, and don't complain about non-aliased string literals.
7636 (symbols_pack): Since symbol_make_alias still does not decrement symbol
7637 and token counts but does still set aliased tokens to the same number,
7638 symbol_pack_processor now leaves empty slots in the symbols array.
7639 Remove those slots.
7640 * tests/regression.at (Undeclared string literal): Remove test case
7641 added in previous commit since non-aliased string literals are allowed
7642 again.
7643 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
7644 remove unnecessary string literal declarations.
7645 * tests/sets.at (Firsts): Likewise.
7646
7647 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
7648
7649 Don't allow an undeclared string literal, but allow a string literal to
7650 be used before its declaration.
7651 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
7652 symbols_pack complained.
7653 * src/symtab.c (symbol_new): Don't count a string literal as a new
7654 symbol.
7655 (symbol_class_set): Don't count a string literal as a new token, and
7656 don't assign it a symbol number since symbol_make_alias does that.
7657 (symbol_make_alias): It's not necessary to decrement the symbol and
7658 token counts anymore. Don't assume that an alias declaration occurs
7659 before any uses of the identifier or string, and thus don't assert that
7660 one of them has the highest symbol number so far.
7661 (symbol_check_alias_consistency): Complain if there's a string literal
7662 that wasn't declared as an alias.
7663 (symbols_pack): Bail if symbol_check_alias_consistency failed since
7664 symbol_pack asserts that every token has been assigned a symbol number
7665 although undeclared string literals have not.
7666 * tests/regression.at (String alias declared after use, Undeclared
7667 string literal): New test cases.
7668 (Characters Escapes, Web2c Actions): Declare string literals as
7669 aliases.
7670 * tests/sets.at (Firsts): Likewise.
7671
7672 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
7673
7674 In the grammar scanner, STRING_FINISH unclosed constructs and return
7675 them to the parser in order to improve error messages.
7676 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
7677 SC_BRACED_CODE, SC_PROLOGUE): Implement.
7678 * tests/input.at (Unclosed constructs): New test case.
7679 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
7680 seen.
7681
7682 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
7683 unused global.
7684
7685 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
7686
7687 Handle string aliases for character tokens correctly.
7688 * src/symtab.c (symbol_user_token_number_set): If the token has an
7689 alias, check and set its alias's user token number instead of its own,
7690 which is set to indicate the alias. Previously, every occurrence of
7691 the character token in the grammar overwrote that alias indicator with
7692 the character code.
7693 * tests/input.at (String aliases for character tokens): New test.
7694
7695 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
7696
7697 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
7698
7699 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
7700
7701 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
7702 to prevent failures when building on older platforms.
7703 Check for autopoint failure.
7704 Set XGETTEXT_OPTIONS to values that check for C format strings,
7705 so that translators are warned about them (this also helps
7706 prevent core dumps).
7707
7708 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
7709 function, since it simplifies our code a bit.
7710
7711 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
7712 rather than -W, so we don't get bogus warnings about sign comparisons.
7713 Add -Wpointer-arith, since that warning is useful (it reports code
7714 that does not conform to C89 and that some compilers reject).
7715 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
7716 since it's no longer needed.
7717
7718 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
7719
7720 Clean up scanners a bit.
7721 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
7722 definitions so gcc won't warn when obstack_for_string is unused.
7723 * src/scan-code.l: config.h and system.h are already #include'd by
7724 scan-code-c.c, so get rid of them here.
7725 * src/scan-gram.l: Likewise.
7726 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
7727 definitions rather than duplicating the rest of it.
7728 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
7729
7730 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
7731
7732 Suppress signed/unsigned comparison warnings for yycheck.
7733 * data/c.m4 (b4_safest_int_type): New macro.
7734 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
7735 a signed int type, cast it to b4_safest_int_type first.
7736 * data/yacc.c: Likewise.
7737 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
7738 also overwritten.
7739
7740 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
7741
7742 * doc/bison.texinfo: Fix some typos.
7743
7744 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
7745
7746 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
7747 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
7748
7749 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
7750 the latest gnulib does this a different way.
7751 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
7752 translation was patched, so stop omitting it.
7753
7754 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
7755
7756 Enable declaration of default %printer/%destructor. Make the parser
7757 use these for all user-declared grammar symbols for which the user does
7758 not declare a specific %printer/%destructor. Thus, the parser uses it
7759 for token 0 if the user declares it but not if Bison generates it as
7760 $end. Discussed starting at
7761 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
7762 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
7763 and
7764 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
7765 * NEWS (2.3+): Mention.
7766 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
7767 declare a %destructor for a mid-rule's semantic value. It's just
7768 impossible to declare one specific to it.
7769 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
7770 code. Describe default %destructor form.
7771 * src/parse-gram.y (grammar_declaration): Parse default
7772 %printer/%destructor declarations.
7773 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
7774 and symbol_destructor_location_get rather than accessing the destructor
7775 and destructor_location members of struct symbol.
7776 (symbol_printers_output): Likewise but for %printer's.
7777 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
7778 again.
7779 * src/symtab.c (default_destructor, default_destructor_location,
7780 default_printer, default_printer_location): New static global
7781 variables to record the default %destructor and %printer.
7782 (symbol_destructor_get, symbol_destructor_location_get,
7783 symbol_printer_get, symbol_printer_location_get): New functions to
7784 compute the appropriate %destructor and %printer for a symbol.
7785 (default_destructor_set, default_printer_set): New functions to set the
7786 default %destructor and %printer.
7787 * src/symtab.h: Prototype all those new functions.
7788 * tests/actions.at (Default %printer and %destructor): New test to
7789 check that the right %printer and %destructor are called, that they're
7790 not called for $end, and that $$ and @$ work correctly.
7791 (Default %printer and %destructor for user-declared end token): New
7792 test to check that the default %printer and %destructor are called for
7793 a user-declared end token.
7794 * tests/input.at (Default %printer and %destructor redeclared, Unused
7795 values with default %destructor): New tests to check related grammar
7796 warnings and errors.
7797
7798 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
7799
7800 Clean up handling of %destructor for the end token (token 0).
7801 Discussed starting at
7802 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
7803 and
7804 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
7805
7806 Make the skeletons consistent in how they pop the end token and invoke
7807 its %destructor.
7808 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
7809 state, which has token number 0, since this would invoke the
7810 %destructor for the end token.
7811 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
7812 until after shifting the end token, or else it won't be popped.
7813 * data/yacc.c (yyparse): Likewise.
7814
7815 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
7816 it's the end token. Upon termination, destroy an unshifted lookahead
7817 even when it's the end token.
7818 * data/lalr1.cc (yy::parser::parse): Likewise.
7819 * data/yacc.c (yyparse): Likewise.
7820
7821 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
7822 value warnings for the end token when the user gives the end token a
7823 %destructor.
7824
7825 * tests/actions.at (Printers and Destructors): Test all the above.
7826
7827 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
7828
7829 Update to latest gnulib and gettext versions.
7830 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
7831 Add fopen-safer.
7832 (gnulib_files): Add m4/warning.m4. Don't worry about files
7833 overwritten by autopoint.
7834 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
7835 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
7836 rejects them.
7837 Don't use autoreconf; instead, invoke autopoint etc. by hand,
7838 so that we can remove the intl files at a better time.
7839 (intl_files_to_remove): Remove aclocal.m4, since it gets
7840 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
7841 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
7842 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
7843 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
7844 Remove datarootdir hack; no longer needed.
7845 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
7846 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
7847 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
7848 strdup.h.
7849 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
7850 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
7851
7852 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
7853
7854 * bootstrap: Adjust to today's change to gnulib-tool by invoking
7855 it with --assume-autoconf='latest-stable'.
7856
7857 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
7858
7859 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
7860 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
7861 YYSTYPE' and `{'.
7862 * src/muscle_tab.h (muscle_grow): Replace the header comments with
7863 those from muscle_tab.c since the old ones are misleading.
7864
7865 2006-07-13 Akim Demaille <akim@epita.fr>
7866
7867 Support %define "KEY" {VALUE}.
7868 * src/scan-code.h, src/scan-code.l (translate_action)
7869 (translate_rule_action, translate_symbol_action, translate_code):
7870 Return char *, not const char *.
7871 * src/parse-gram.y (declaration): Rename as...
7872 (prologue_declaration): this.
7873 (string_content): Remove this nonterminal, use STRING.
7874 (braceless, content, content.opt): New nonterminal.
7875 Use them.
7876 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
7877 as value.
7878 * src/scan-gram.l (getargs.h): Don't include it.
7879
7880 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
7881
7882 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
7883 rather than a for-loop that declares a local bool variable. This
7884 should work around a compatibility problem with a Cray x1e C++
7885 compiler reported by Hung Nguyen in
7886 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
7887 The for-loop was introduced in the 2004-11-17 change but I don't
7888 know why it was needed.
7889
7890 2006-07-12 Akim Demaille <akim@epita.fr>
7891
7892 * data/c.m4: Comment changes.
7893
7894 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
7895
7896 * src/complain.c (error_message, ERROR_MESSAGE): New.
7897 To factor...
7898 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
7899 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
7900
7901 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7902
7903 * NEWS: Instead of %union, you can define and use your own union type
7904 YYSTYPE if your grammar contains at least one <type> tag.
7905 Your YYSTYPE need not be a macro; it can be a typedef.
7906 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
7907 (Union Decl, Decl Summary): Document this.
7908 * data/glr.c (YYSTYPE): Implement this.
7909 * data/glr.cc (YYSTYPE): Likewise.
7910 * data/lalr1.cc (YYSTYPE): Likewise.
7911 * data/yacc.c (YYSTYPE): Likewise.
7912 * src/output.c (prepare): Output tag_seen_flag.
7913 * src/parse-gram.y (declaration, grammar_declaration):
7914 Use 'union_seen' rather than 'typed' to determine whether
7915 %union has been seen, since grammars can now be typed without
7916 %union.
7917 (symbol_declaration, type.opt, symbol_def):
7918 Keep track of whether a tag has been seen.
7919 * src/reader.c (union_seen, tag_seen): New vars.
7920 (typed): remove.
7921 * src/reader.h (union_seen, tag_seen, typed): Likewise.
7922 * src/scan-code.l (untyped_var_seen): New variable.
7923 (handle_action_dollar): Adjust to above changes.
7924 (handle_action_dollar, handle_action_at):
7925 Improve overflow checking for outlandish numbers.
7926 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
7927 avoid new diagnostics generated by above changes.
7928 * tests/regression.at (YYSTYPE typedef): Add test to check
7929 for type tags without %union.
7930
7931 * src/symlist.c (symbol_list_length): Return int, not unsigned
7932 int, since callers expect int. This may need to get revisited
7933 once we have proper integer overflow checking.
7934
7935 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
7936 object is now static.
7937
7938 * src/getargs.c (flags_argmatch): Return void, not int,
7939 to pacify ./configure --enable-gcc-warnings.
7940
7941 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
7942 since last_string is already defined to FLEX_PREFIX (last_string).
7943
7944 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7945
7946 Implement --warnings/-W.
7947 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
7948 replaced by...
7949 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
7950 Adjust callers.
7951 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
7952 (warnings_args, warnings_types): New.
7953 (getargs, short_options, long_options): Accept -W/--warnings.
7954 Sort the options by alphabetical order, upper case letter right
7955 before its lower case.
7956
7957 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
7958
7959 Change %merge result type clash warnings to errors. Discussed at
7960 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
7961 * src/reader.c (record_merge_function_type): Use complain_at.
7962 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
7963 declared later): Update test case results.
7964
7965 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
7966
7967 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
7968 to be in alphabetical order.
7969 (trace_args): Spelling fixes.
7970
7971 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
7972
7973 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
7974 so they don't collide with user-defined macros.
7975 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
7976 this was never guaranteed, and now that we're using gnulib stdint,
7977 which defines int_fast16_t to long int, the problem is exposed.
7978
7979 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
7980
7981 * data/c.m4 (b4_basename): Simplify a bit, since we don't
7982 need the full POSIX semantics (and weren't implementing them
7983 anyway).
7984
7985 Adjust to Autoconf 2.60 and today's gnulib.
7986 * bootstrap (gnulib_modules): Add stdint.
7987 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
7988 no longer copies it.
7989 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
7990 since stdint needs the former and wcwidth (which is now required
7991 by mbswidth) needs the latter.
7992 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
7993 work around a compatibility glitch between gettext 0.14.6 and
7994 Autoconf 2.60.
7995 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
7996 Do not check for uintptr_t, since new stdint module does the right
7997 thing.
7998 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
7999 Add stdint.h, stdint_.h, wcwidth.h.
8000 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
8001 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
8002 stdint.m4, wchar_t.m4, wcwidth.m4.
8003 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
8004 usual order for ../lib/*.h files.
8005 (file_name_split): Use last_component, not base_name, to adjust
8006 to gnulib changes.
8007 * src/parse-gram.h: Include <strverscmp.h> in the usual order
8008 for ../lib/*.h files.
8009 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
8010 Define unconditionally, since we now assume the stdint module.
8011 * src/scan-skel.l: Include <dirname.h>.
8012 (BASE_QPUTS): Use last_component, not base_name.
8013 * src/system.h: Include <unlocked-io.h> in the usual order
8014 for ../lib/*.h files. Include <stdint.h> unconditionally,
8015 since we now use the stdint module.
8016 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
8017 HAVE_UINTPTR_T, since we now use the stdint module.
8018 (base_name): Remove decl, since files now include <dirname.h>
8019 to get the decl.
8020
8021 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
8022
8023 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
8024 New, default to 1.
8025 * data/yacc.c, data/glr.c, data/location.cc: Use them.
8026 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
8027 default.
8028 * tests/calc.at: Adjust.
8029
8030 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
8031
8032 * data/c.m4 (b4_basename): New.
8033 (b4_syncline): Also output the location of its invocation (from
8034 the skeleton).
8035 (b4_user_action, b4_define_user_action, b4_user_actions)
8036 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
8037 (b4_user_stype): New.
8038 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
8039
8040 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
8041
8042 In the grammar file, the first column is 1 not 0 on the first line as
8043 on every other line.
8044 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
8045 * tests/input.at (Torturing the Scanner): Update output.
8046
8047 * src/scan-gram.l (scanner_cursor): Declare it static.
8048
8049 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
8050
8051 In warnings, say "previous declaration" rather than "first
8052 declaration".
8053 * src/symtab.c (redeclaration): Do that here.
8054 * src/reader.c (record_merge_function_type): In the case of a result
8055 type clash, report the previous declaration rather than the very first
8056 one in the grammar file.
8057 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
8058 declared later): Add a third declaration to check this behavior.
8059 * tests/input.at (Incompatible Aliases): Update output.
8060
8061 2006-06-27 Akim Demaille <akim@epita.fr>
8062
8063 * doc/Doxyfile.in: New.
8064 * doc/Makefile.am: Use it.
8065 * src/lalr.h, src/symtab.h: Initial doxygenation.
8066
8067 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
8068
8069 Don't miss %merge result type warnings just because the LHS types are
8070 declared after the %merge. This continues the effort of the previous
8071 patch.
8072 * src/reader.c (get_merge_function): Don't set the merger type yet.
8073 (record_merge_function_type): New function for setting the merger type
8074 and checking for clashes.
8075 (grammar_current_rule_merge_set): Set the location of the %merge for
8076 the current rule.
8077 (packgram): Invoke record_merge_function_type for each rule now that
8078 all symbol type declarations have been parsed.
8079 * src/reader.h (merger_list.type_declaration_location): New member
8080 storing the location of the first %merge from which the type for this
8081 merging function was derived.
8082 * src/symlist.h (symbol_list.merger_declaration_location): New member
8083 storing the location of a rule's %merge, if any.
8084 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
8085 declared later): New test to catch the error fixed by the above patch.
8086
8087 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
8088
8089 Get action warnings (grammar_rule_check) right even when symbol
8090 declarations appear after the rules. Discussed at
8091 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
8092 and
8093 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
8094 Don't mistake the type of $$ in a midrule to be that of its parent
8095 rule's $$.
8096 * src/reader.c (grammar_current_rule_end): Don't invoke
8097 grammar_rule_check yet since not all symbol declarations may have been
8098 parsed yet.
8099 (grammar_midrule_action): Likewise.
8100 Don't record whether the midrule's $$ has been used yet since actions
8101 haven't been translated yet.
8102 Record the midrule's parent rule and its RHS index within the parent
8103 rule.
8104 (grammar_current_rule_action_append): Don't translate the action yet
8105 since not all symbol declarations may have been parsed yet and, thus,
8106 warnings about types for $$, $n, @$, and @n can't be reported yet.
8107 (packgram): Translate the action and invoke grammar_rule_check now that
8108 all symbol declarations have been parsed.
8109 * src/scan-code.l (handle_action_dollar): Now that this is invoked
8110 after parsing the entire grammar file, the symbol list here in the case
8111 of a midrule is actually the midrule's empty RHS, so reference its
8112 parent rule's RHS where necessary.
8113 On the other hand, now that you can already know it's a midrule, you
8114 aren't forced to think $$ has the same type as its parent rule's $$.
8115 (handle_action_at): In the case of a midrule, reference the parent rule
8116 where necessary.
8117 * src/symlist.c (symbol_list_new): Initialize new midrule-related
8118 members.
8119 (symbol_list_length): Now that this is invoked after all rules have
8120 been parsed, a NULL symbol (rather than a NULL symbol list node)
8121 terminates a rule. symbol_list_print already does this correctly.
8122 * src/symlist.h (symbol_list.midrule_parent_rule,
8123 symbol_list.midrule_parent_rhs_index): New members so that midrules can
8124 remember their relationships with their parents.
8125 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
8126 fixed by the above patch.
8127 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
8128 implementing...
8129 (Unused values): ... this old test case and...
8130 (Unused values before symbol declarations): ... this new test case.
8131 This one is the same as `Unused values' except that all symbol
8132 declarations appear after the rules in order to catch the rest of the
8133 errors fixed by the above patch.
8134
8135 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
8136
8137 More cleanup.
8138 * src/reader.c (current_rule): Declare it static since it's no longer
8139 used outside this file.
8140 (grammar_current_rule_action_append): Remove redundant arguments from
8141 translate_rule_action invocation.
8142 * src/reader.h (current_rule): Remove this unused extern.
8143 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
8144 * src/scan-code.l (translate_rule_action): Likewise.
8145
8146 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
8147
8148 Clean up yesterday's patch.
8149 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
8150 to...
8151 * src/reader.c (grammar_current_rule_action_append): ... here for
8152 consistency with grammar_current_rule_symbol_append.
8153 * tests/regression.at (Braced code in declaration in rules section):
8154 Make yyerror and yylex static as usual.
8155
8156 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
8157
8158 Fix bug that mistakes braced code in a declaration in the rules section
8159 to be a rule action. Mentioned at
8160 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
8161 * src/scan-gram.l: Move midrule action detection from the start of the
8162 scanning of any braced code to...
8163 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
8164 action. For readability, use $2 and @2 rather than the equivalent
8165 global variables.
8166 * tests/regression.at (Braced code in declaration in rules section):
8167 New test to catch the error fixed by the above patch.
8168
8169 Work on code readability some.
8170 * src/scan-code.l (current_rule): Get rid of this misleading and
8171 redundant declaration: it's actually extern'ed in reader.h.
8172 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
8173 translate_action): Add a rule argument and use it instead of the global
8174 current_rule.
8175 (translate_rule_action): This already receives current_rule through an
8176 argument, so pass it on to translate_action instead of assigning
8177 current_rule to current_rule.
8178 (translate_symbol_action, translate_code): Pass rule = NULL to
8179 translate_action.
8180
8181 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
8182
8183 Rename %before-definitions to %start-header and %after-definitions to
8184 %end-header. Don't use these declarations to separate pre-prologue
8185 blocks from post-prologue blocks. Add new order-independent
8186 declarations %before-header and %after-header as alternatives to the
8187 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
8188 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
8189 * NEWS (2.3+): Update for these changes.
8190 * data/glr.c (b4_before_definitions): Update to...
8191 (b4_start_header): ... this.
8192 (b4_after_definitions): Update to...
8193 (b4_end_header): ... this.
8194 * data/glr.cc: Likewise.
8195 * data/lalr1.cc: Likewise.
8196 * data/yacc.c: Likewise.
8197 * doc/bison.texinfo (The prologue): Update names, and replace remaining
8198 prologue blocks with %*-header declarations.
8199 (Calc++ Parser): Likewise.
8200 (Decl Summary): Update names.
8201 (Table of Symbols): Update description.
8202 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
8203 (PERCENT_END_HEADER): ... this.
8204 (PERCENT_BEFORE_DEFINITIONS): Update to...
8205 (PERCENT_START_HEADER): ... this.
8206 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
8207 (declaration): Update token names and m4 macro names.
8208 When parsing %end-header and %start-header, invoke translate_code
8209 before muscle_code_grow, and no longer set global booleans to remember
8210 whether these declarations have been seen.
8211 Parse new %after-header and %before-header.
8212 * src/reader.c (before_definitions, after_definitions): Remove.
8213 (prologue_augment): Accept a new bool argument to specify whether to
8214 augment the pre-prologue or post-prologue.
8215 * src/reader.h (before_definitions, after_definitions): Remove these
8216 extern's.
8217 (prologue_augment): Add new bool argument.
8218 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
8219 (PERCENT_END_HEADER): ... this.
8220 (PERCENT_BEFORE_DEFINITIONS): Update to...
8221 (PERCENT_START_HEADER): ... this.
8222 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
8223 * tests/actions.at (Printers and Destructors): Update names.
8224
8225 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
8226
8227 Add comparison operators for C++ location classes. Discussed at
8228 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
8229 * data/c++.m4 (b4_define_location_comparison): New boolean %define
8230 declaration indicating whether filename_type has an operator==. If
8231 filename_type is `std::string', it defaults to `1', `0' otherwise.
8232 * data/location.cc: Iff b4_define_location_comparison is `1', add
8233 operator== and operator!= for class position and for class location.
8234
8235 Some minor fixes.
8236 * src/scan-action.l: Remove unused file.
8237 * src/symtab.c (symbol_printer_set): Use printer_location not
8238 destructor_location.
8239 * src/symtab.h (struct symbol): Replace incorrect source comment for
8240 printer members.
8241 * tests/input.at (Incompatible Aliases): Update output with correct
8242 printer location.
8243
8244 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
8245
8246 Don't put the pre-prologue in the header file. For the yacc.c code
8247 file and the glr.c header and code files, move the pre-prologue before
8248 the token definitions. Add new %before-definitions and
8249 %after-definitions to declare code that will go in both the header file
8250 and code file. Discussed at
8251 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
8252 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
8253 and
8254 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
8255 * NEWS (2.3+): Describe these changes.
8256 * data/glr.c (b4_pre_prologue): Move from within to before...
8257 (b4_shared_declarations): ... this.
8258 Add new b4_before_definitions before b4_token_enums.
8259 Add new b4_after_definitions at the end.
8260 * data/glr.cc (b4_pre_prologue): Replace with...
8261 (b4_before_definitions): ... this in the header file.
8262 (b4_after_definitions): New near the end of the header file.
8263 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
8264 code file right before including the header file.
8265 (b4_before_definitions): New in the previous position of
8266 b4_pre_prologue in the header file.
8267 (b4_after_definitions): New near the end of the header file.
8268 * data/yacc.c: Clean up some m4 quoting especially in the header file.
8269 (b4_token_enums_defines): In the code file, move to right before
8270 YYSTYPE for consistency with the header file.
8271 (b4_before_definitions): New right before b4_token_enums_defines in
8272 both the header and code file.
8273 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
8274 header and code file.
8275 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
8276 of prologues for %union dependencies.
8277 (Decl Summary): In %defines description, mention the effect of
8278 %before-definitions and %after-definitions on the header file.
8279 (Calc++ Parser): Forward declare driver in a %before-definitions rather
8280 than in the pre-prologue so that make check succeeds.
8281 (Table of Symbols): Add entries for %before-definitions and
8282 %after-definitions.
8283 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
8284 %before-definitions.
8285 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
8286 (declaration): Parse those declarations and append to
8287 b4_before_definitions and b4_after_definitions, respectively.
8288 * src/reader.c (before_definitions, after_definitions): New bools to
8289 track whether those declarations have been seen.
8290 (prologue_augment): Add to the post-prologue if %union,
8291 %before-definitions, or %after-definitions has been seen.
8292 * src/reader.h (before_definitions, after_definitions): New extern's.
8293 * src/scan-gram.l: Scan the new declarations.
8294 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
8295 prologue block in a %before-definitions or a %after-definitions based
8296 on whether the %union is declared.
8297 * tests/regression.at (Early token definitions with --yacc, Early token
8298 definitions without --yacc): Move tests for token definitions into the
8299 post-prologue since token names are no longer defined in the
8300 pre-prologue.
8301
8302 2006-06-20 Akim Demaille <akim@epita.fr>
8303
8304 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
8305 (symbol_get): Use it.
8306 * src/parse-gram.y: Use it.
8307
8308 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
8309
8310 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
8311 build succeeds when configured with --enable-gcc-warnings.
8312
8313 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
8314
8315 * src/parse-gram.y (char_name): New function.
8316 (CHAR, STRING, string_content): For %printer, properly escape.
8317 (ID): Prefer fputs to fprintf.
8318 (id): Reindent to be consistent with other rules.
8319 Properly quote char.
8320
8321 The Translation Project changed its way of publishing translations
8322 to maintainers. I haven't received any responses to my request
8323 for supporting the old way, or for documenting the new way. I
8324 have modified 'bootstrap' to use screen scraping
8325 (in this case, HTML scraping). This is unreliable and inelegant,
8326 but I don't see any better way. Yuck.
8327 * bootstrap (TP_URL, WGET_COMMAND): New vars.
8328 (get_translations): New function, which uses HTML scraping to
8329 deduce locations of latest translations.
8330 Use this function to grab both bison and bison-runtime .po files.
8331 Don't bother priming the pump for the runtime-po domain any more,
8332 as it's now translated better than bison is.
8333
8334 2006-06-19 Akim Demaille <akim@epita.fr>
8335
8336 * src/scan-gram.l: No longer "parse" things after `%union' until
8337 `{'. Rather, return a single "%union" token.
8338 No longer make symbols: return strings, and leave the conversion
8339 to symbols to the parser.
8340 (SC_PRE_CODE, token_type): Remove.
8341 * src/parse-gram.y (%union): New field `character'.
8342 Sort tokens.
8343 (CHAR): New token.
8344 (ID, ID_COLON): Now that the scanner no longer makes them
8345 identifiers, adjust all uses to invoke symbol_get.
8346 (id_colon): New, wraps the conversion from string to symbol.
8347 (%union): Accept a possible union_name.
8348 (symbol): Now can be a char.
8349 * data/c.m4 (b4_union_name): Leave a default value.
8350 * data/glr.c, data/yacc.c: Use it.
8351
8352 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
8353
8354 For associating token numbers with token names for "yacc.c", don't use
8355 #define statements unless `--yacc' is specified; always use enum
8356 yytokentype. Most important discussions start at:
8357 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
8358 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
8359 and
8360 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
8361 * NEWS (2.3+): Mention.
8362 * data/c.m4 (b4_yacc_if): New.
8363 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
8364 token #define's.
8365 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
8366 on token name definitions.
8367 * src/getargs.c (usage): Capitalize `Yacc' in English.
8368 * src/output.c (prepare): Define b4_yacc_flag.
8369 * tests/regression.at (Early token definitions): Test that tokens names
8370 are defined before the pre-prologue not just before the post-prologue.
8371 Remove this test case and copy to...
8372 (Early token definitions with --yacc): ... this to test #define's.
8373 (Early token definitions without --yacc): ... and this to test enums.
8374
8375 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
8376
8377 * NEWS: Reword the post-2.3 change to not be so optimistic about
8378 removing the old "look-ahead" spelling.
8379 Update previous look-ahead/lookahead change reports.
8380 * REFERENCES: look-ahead -> lookahead (since that's
8381 what he actually wrote).
8382 * doc/refcard.tex: look ahead -> lookahead,
8383 look-ahead -> lookahead
8384
8385 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
8386
8387 For consistency, use `lookahead' instead of `look-ahead' or
8388 `look_ahead'. Discussed starting at
8389 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
8390 and then at
8391 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
8392 * NEWS: For the next release, note the change to `--report'.
8393 * TODO, doc/bison.1: Update English.
8394 * doc/bison.texinfo: Update English.
8395 (Understanding Your Parser, Bison Options): Document as
8396 `--report=lookahead' rather than `--report=look-ahead'.
8397 * src/conflicts.c: Update English in comments.
8398 (lookahead_set): Rename from look_ahead_set.
8399 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
8400 (resolve_sr_conflict): Rename local look_ahead_tokens to
8401 lookahead_tokens, and update other uses.
8402 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
8403 count_rr_conflicts, conflicts_free): Update uses.
8404 * src/getargs.c (report_args): Move "lookahead" before alternate
8405 spellings.
8406 (report_types): Update uses.
8407 (usage): For `--report' usage description, state `lookahead' spelling
8408 rather than `look-ahead'.
8409 * src/getargs.h (report.report_lookahead_tokens): Rename from
8410 report_look_ahead_tokens.
8411 * src/lalr.c: Update English in comments.
8412 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
8413 (state_lookahead_tokens_count): Rename from
8414 state_look_ahead_tokens_count.
8415 Rename local n_look_ahead_tokens to n_lookahead_tokens.
8416 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
8417 Rename local n_look_ahead_tokens to n_lookahead_tokens.
8418 Update other uses.
8419 Update English in output.
8420 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
8421 * src/print.c: Update English in comments.
8422 (lookahead_set): Rename from look_ahead_set.
8423 (print_reduction): Rename argument lookahead_token from
8424 look_ahead_token.
8425 (print_core, state_default_rule, print_reductions, print_results):
8426 Update uses.
8427 * src/print_graph.c: Update English in comments.
8428 (print_core): Update uses.
8429 * src/state.c: Update English in comments.
8430 (reductions_new): Update uses.
8431 (state_rule_lookahead_tokens_print): Rename from
8432 state_rule_look_ahead_tokens_print, and update other uses.
8433 * src/state.h: Update English in comments.
8434 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
8435 (state_rule_lookahead_tokens_print): Rename from
8436 state_rule_look_ahead_tokens_print.
8437 * src/tables.c: Update English in comments.
8438 (conflict_row, action_row): Update uses.
8439 * tests/glr-regression.at
8440 (Incorrect lookahead during deterministic GLR,
8441 Incorrect lookahead during nondeterministic GLR): Rename
8442 print_look_ahead to print_lookahead.
8443 * tests/torture.at: Update English in comments.
8444 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
8445 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
8446 (Many lookahead tokens): Update uses.
8447 * data/glr.c: Update English in comments.
8448 * lalr1.cc: Likewise.
8449 * yacc.c: Likewise.
8450 * src/conflicts.h: Likewise.
8451 * src/lalr.h: Likewise.
8452 * src/main.c: Likewise.
8453 * src/output.c: Likewise.
8454 * src/parse-gram.c: Likewise.
8455 * src/tables.h: Likewise.
8456 * tests/calc.at: Likewise.
8457
8458 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
8459
8460 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
8461
8462 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
8463
8464 * TODO: Add request from Nelson H. F. Beebe to be able to install
8465 Bison without installing the yacc script.
8466
8467 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
8468
8469 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
8470 and yytext if they're already #define'd.
8471 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
8472 * src/scan-code-c.c: ... here.
8473 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
8474 <config.h>.
8475
8476 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
8477
8478 Get Bison to build again when configured with --enable-gcc-warnings.
8479 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
8480 missing #include's.
8481 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
8482 loc argument as it shadows a global.
8483 * src/scan-gram.l: Remove stray comma that prevents boundary_set
8484 invocation.
8485
8486 * src/.cvsignore: Add scan-code.c.
8487
8488 2006-06-07 Akim Demaille <akim@epita.fr>
8489
8490 * src/scan-gram.l: Move the "add a trailing ; to actions" code
8491 to...
8492 * src/scan-code.l: here.
8493 * tests/input.at (Torturing the Scanner): Fix another location
8494 error.
8495
8496 2006-06-07 Akim Demaille <akim@epita.fr>
8497
8498 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
8499
8500 2006-06-06 Akim Demaille <akim@epita.fr>
8501
8502 Extract the parsing of user actions from the grammar scanner.
8503 As a consequence, the relation between the grammar scanner and
8504 parser is much simpler. We can also split "composite tokens" back
8505 into simple tokens.
8506 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
8507 * src/scan-gram.l (add_column_width, adjust_location): Move to and
8508 rename as...
8509 * src/location.h, src/location.c (add_column_width)
8510 (location_compute): these.
8511 Fix the column count: the initial column is 0.
8512 (location_print): Be robust to ending column being 0.
8513 * src/location.h (boundary_set): New.
8514 * src/main.c: Adjust to scanner_free being renamed as
8515 gram_scanner_free.
8516 * src/output.c: Include scan-code.h.
8517 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
8518 Use boundary_set.
8519 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
8520 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
8521 which is now, again, a separate token.
8522 Adjust all dependencies.
8523 Whereever actions with $ and @ are used, use translate_code.
8524 (action): Remove this nonterminal which is now useless.
8525 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
8526 (grammar_current_rule_action_append): Use translate_code.
8527 (packgram): Bound check ruleno, itemno, and rule_length.
8528 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
8529 (last_string, last_braced_code_loc, max_left_semantic_context)
8530 (scanner_initialize, scanner_free, scanner_last_string_free)
8531 (gram_out, gram_lineno, YY_DECL_): Move to...
8532 * src/scan-gram.h: this new file.
8533 (YY_DECL): Rename as...
8534 (GRAM_DECL): this.
8535 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
8536 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
8537 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
8538 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
8539 Move these declarations, and...
8540 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
8541 these to...
8542 * src/flex-scanner.h: this new file.
8543 * src/scan-gram.l (rule_length, rule_length_overflow)
8544 (increment_rule_length): Remove.
8545 (last_braced_code_loc): Rename as...
8546 (gram_last_braced_code_loc): this.
8547 Adjust to the changes of the parser.
8548 Move all the handling of $ and @ into...
8549 * src/scan-code.l: here.
8550 * src/scan-gram.l (handle_dollar, handle_at): Remove.
8551 (handle_action_dollar, handle_action_at): Move to...
8552 * src/scan-code.l: here.
8553 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
8554 scan-code.h, scan-code-c.c, scan-gram.h.
8555 (EXTRA_bison_SOURCES): Add scan-code.l.
8556 (BUILT_SOURCES): Add scan-code.c.
8557 (yacc): Be robust to white spaces.
8558
8559 * tests/conflicts.at, tests/input.at, tests/reduce.at,
8560 * tests/regression.at: Adjust the column numbers.
8561 * tests/regression.at: Adjust the error message.
8562
8563 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
8564
8565 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
8566 Use Akim's wording from
8567 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
8568
8569 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
8570
8571 Between Bison releases, manually append `+' to the previous Bison
8572 release number, and use that as a signal to automatically print the
8573 ChangeLog's CVS Id keyword from --version. Discussed starting at
8574 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
8575 * ChangeLog: Add Id header.
8576 * configure.ac (AC_INIT): Append `+' to `2.3'.
8577 * src/.cvsignore: Add revision.c.
8578 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
8579 (BUILT_SOURCES): Add revision.c.
8580 (revision.c): New target rule. This file defines a new global variable
8581 named revision. It initializes it with either the Id from ChangeLog
8582 or, if VERSION doesn't contain `+', with the empty string.
8583 * src/getargs.c (version): Print the value of revision.
8584 * src/revision.h: Extern revision.
8585
8586 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
8587
8588 * NEWS: Version 2.3.
8589 * configure.ac (AC_INIT): Likewise.
8590
8591 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
8592
8593 * data/glr.c (YYRECOVERING): Define to be a function-like macro
8594 with no arguments, not as an object-like macro. This is for
8595 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
8596 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
8597 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
8598 Document this.
8599
8600 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
8601
8602 * src/getargs.c (usage): Back out yesterday's modification of the
8603 --help output so that we don't have to wait for translation before
8604 releasing 2.3.
8605
8606 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
8607
8608 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
8609 Problem reported by Akim Demaille.
8610
8611 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
8612
8613 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
8614
8615 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
8616
8617 * data/yacc.c (yy_reduce_print): Omit trailing white space in
8618 generated source code. Problem reported by Frans Englich in
8619 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
8620
8621 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
8622
8623 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
8624 shell, not within 'make', so that 'make' by an ordinary builder
8625 (using GNU make) does not worry about configuring gzip. This also
8626 works around a bug reported independently by Keith Thompson and by
8627 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
8628 stderr rather than stdout, messing up the build logs.
8629
8630 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
8631
8632 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
8633 to make sure that YYID will never be unused. This fixes a 'make
8634 maintainer-check' failure caused by the recent changes to the 'Trivial
8635 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
8636 not used.
8637 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
8638
8639 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
8640
8641 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
8642 state before an empty RHS is always resolved here. Only the location
8643 of that state is guaranteed to be resolved, and that's enough. This
8644 fixes the remaining bug reported by Derek M. Jones in
8645 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
8646 * tests/glr-regression.at (Uninitialized location when reporting
8647 ambiguity): Test the above case.
8648 Also, the embedded comments in this test case claim it checks the case
8649 of an empty RHS that has inherited the initial location. However, the
8650 corresponding LHS was already resolved, so yyresolveLocations didn't
8651 actually have reason to modify it. Fix this by forcing
8652 nondeterministic operation at the beginning of the parse.
8653
8654 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
8655
8656 * data/c.m4 (b4_yy_symbol_print_generate):
8657 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
8658 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
8659 of the bugs reported today by Derek M Jones in
8660 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
8661 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
8662 defined to be a type name without parens or brackets.
8663 (Location Type): Similarly for YYLTYPE.
8664 * tests/regression.at (Trivial grammars): Put in a test for this
8665 bug that will be caught by 'make maintainer-check' (though not,
8666 alas, by 'make check' unless your compiler is picky).
8667
8668 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
8669
8670 * NEWS: Version 2.2.
8671 * configure.ac (AC_INIT): Likewise.
8672
8673 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
8674
8675 * data/glr.c (yyreportTree): Make room in yystates for the state
8676 preceding the RHS. This fixes the segmentation fault reported by Derek
8677 M. Jones in
8678 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
8679 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
8680 to the user. Reported for yyreportTree by Derek M. Jones later in the
8681 same thread.
8682 * THANKS: Add Derek M. Jones.
8683 Update my email address.
8684 Fix typo in Steve Murphy's name.
8685
8686 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
8687
8688 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
8689 checking against YYLAST that caused the parser to miss a potential
8690 alternative in its diagnostic.
8691 Problem reported by Maria Jose Moron Fernandez in
8692 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
8693 * data/lalr1.cc (yysyntax_error_): Likewise.
8694 * data/yacc.c (yysyntax_error): Likewise.
8695 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
8696 tokens, in case we run into an older C compiler.
8697 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
8698 Use them to check for the off-by-one error fixed above.
8699
8700 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
8701 YYSIZE_T, not size_t.
8702 * tests/regression.at (Trivial grammars): New test, to catch
8703 the error fixed by the above patch.
8704
8705 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8706
8707 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
8708 scheme.
8709 Reported by Steve Murphy.
8710
8711 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8712
8713 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
8714 * data/glr.cc: b4_location_flag is now b4_locations_flag.
8715
8716 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8717
8718 Implement --trace=m4.
8719 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
8720 * src/output.c (output_skeleton): When set, pass -dV to m4.
8721
8722 Factor the handling of flags in m4.
8723 * src/output.c (prepare): Rename the muscle names debug, defines,
8724 error_verbose to debug_flag, defines_flag, error_verbose_flag.
8725 * data/c.m4: Adjust.
8726 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
8727 Use b4_define_flag_if to define other b4_FLAG_if macros.
8728 (b4_location_if): As a consequence, rename as...
8729 (b4_locations_if): this, for consistency.
8730 Adjust all the skeletons.
8731
8732 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8733
8734 * etc/bench.pm: Shorten bench names.
8735
8736 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
8737
8738 * src/output.h, src/output.c (error_verbose): Move to...
8739 * src/getargs.h, src/getargs.c: here.
8740 Sort the flags.
8741 Adjust dependencies.
8742
8743 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
8744
8745 * data/c.m4 (b4_copyright): Put the special exception for Bison
8746 skeletons here, so we don't have to put it in each skeleton. All
8747 uses changed. Suggested by Akim Demaille. Also, wrap the
8748 copyright notice, in case it is longer than 80 columns. Replace
8749 comma by newline after title.
8750
8751 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
8752
8753 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
8754 incompatibility, not a bug. Mention that it wasn't fixed as of
8755 flex 2.5.33.
8756
8757 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
8758
8759 * examples/extexi: Enforce the precedence of concatenation over
8760 >>.
8761 Reported by Tommy Nordgren.
8762
8763 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
8764
8765 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
8766 with the member "token".
8767 Reported by Martin Nylin.
8768
8769 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
8770
8771 * data/glr.c: Switch to Bison 2.2 special-exception language in
8772 the copyright notice. Use more-regular format for titles and
8773 copyright notices.
8774 * data/glr.cc: Likewise.
8775 * data/location.cc: Likewise.
8776 * data/yacc.cc: Likewise.
8777 * doc/bison.texinfo (Conditions): Document this.
8778 * NEWS: likewise. Upgrade version to 2.2.
8779
8780 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
8781
8782 * data/glr.cc: Remove dead code.
8783
8784 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
8785
8786 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
8787 that variable and the line breaks the bootstrap. Problem reported
8788 by Juan M. Guerrero.
8789
8790 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
8791
8792 * doc/bison.texinfo (Multiple start-symbols): New.
8793
8794 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
8795
8796 * etc/README, etc/bench.pl: New.
8797
8798 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
8799
8800 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
8801 rule.
8802 Reported by Mickael Labau.
8803 * tests/input.at (Torturing the Scanner): Test it.
8804
8805 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
8806
8807 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
8808 Problem reported by Bob Rossi.
8809
8810 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
8811
8812 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
8813 and didn't really work.
8814 For the index, use @ifnotinfo, not @iftex.
8815 Minor cleanups of spacing and terminology.
8816
8817 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
8818
8819 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
8820 of AT_NAME_PREFIX when %name-prefix is not used.
8821
8822 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
8823
8824 Apply --prefix to C++ skeletons too: they change the namespace.
8825 The test suite already exercize these cases.
8826 * data/c++.m4 (b4_namespace): New.
8827 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
8828 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
8829 * data/yacc.c, data/glr.c: Remove a useless `[]'.
8830 * doc/bison.texinfo: Document it.
8831 (Option Cross Key): Use @multitable in all formats. It looks
8832 nicer, even in TeX outputs.
8833 (Rules): Use the same code whatever the output type is.
8834 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
8835 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
8836 * tests/calc.at: Use it, instead of hard coding `yy'.
8837
8838 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8839
8840 * TODO: Remove dead items.
8841
8842 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8843
8844 * doc/FAQ: Remove, merged into...
8845 * doc/bison.texinfo (FAQ): this.
8846 * doc/Makefile.am (EXTRA_DIST): Adjust.
8847
8848 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
8849
8850 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
8851 even if empty.
8852 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
8853 * doc/bison.texinfo (Calc++ Scanner): Use it.
8854
8855 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
8856
8857 Fix two nits reported by twlevo, plus one more that I discovered.
8858
8859 * src/assoc.h (assoc_to_string): Give a name to the arg, as
8860 this is the usual Bison style.
8861 * src/location.h (location_print): Likewise.
8862
8863 * src/reader.h (token_name): Likewise.
8864
8865 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
8866
8867 Fix some nits reported by twlevo.
8868 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
8869 and "POSIX". Use more-modern syntax for URLs. Mention C++
8870 and ask for Java. Don't hardwire OS version numbers. Add
8871 copyright notice.
8872 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
8873 * src/conflicts.c (solved_conflicts_obstack): Now static.
8874
8875 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
8876
8877 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
8878 page. Say "you can use it" not "you may use it" as on the web page;
8879 we're describing capabilities not granting permission.
8880
8881 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
8882
8883 * data/glr.c (yyresolveLocations): Rename local variables to avoid
8884 shadowing warnings. Use usual patter for iterating through RHS.
8885 * tests/glr-regression.at
8886 (Uninitialized location when reporting ambiguity):
8887 Modify yylex so that it uses its argument, rather than trying
8888 to rely on ARGSUSED (which doesn't work for gcc with warnings).
8889 const char -> char const.
8890
8891 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
8892 Don't use tabs inside commands; it messes up 'ps'.
8893 Problem reported by twlevo.
8894
8895 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
8896
8897 * tests/glr-regression.at (Uninitialized location when reporting
8898 ambiguity): New test case.
8899 * data/glr.c (yyresolveLocations): New function, which uses
8900 YYLLOC_DEFAULT.
8901 (yyresolveValue): Invoke yyresolveLocations before reporting an
8902 ambiguity.
8903 * doc/bison.texinfo (Default Action for Locations): Note
8904 YYLLOC_DEFAULT's usage for ambiguity locations.
8905 (GLR Semantic Actions): Cross-reference those notes.
8906
8907 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
8908
8909 * tests/glr-regression.at (Leaked semantic values when reporting
8910 ambiguity): Remove unnecessary union and type declarations.
8911 (Leaked lookahead after nondeterministic parse syntax error): New test
8912 case.
8913 * data/glr.c (yyparse): Check for zero stacks remaining before
8914 attempting to shift the lookahead so that you don't lose it.
8915
8916 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8917
8918 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
8919 * tests/glr-regression.at (Leaked semantic values when reporting
8920 ambiguity): New test case.
8921 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
8922 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
8923 now unnecessary yystackp parameter.
8924 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
8925 destructors can be called.
8926
8927 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
8928 in existing testcases.
8929
8930 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
8931
8932 Don't leak semantic values for parent RHS when a user action cuts the
8933 parser, and clean up related code a bit.
8934 * tests/glr-regression.at (Leaked merged semantic value if user action
8935 cuts parse): Rename to...
8936 (Leaked semantic values if user action cuts parse): ... this. Add check
8937 for leaked parent RHS values.
8938 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
8939 between an unresolved state (non-empty chain of semantic options) and
8940 an incomplete one (signaled by an empty chain).
8941 (yyresolveStates): Document the interface. Move all manipulation of a
8942 successfully or unsuccessfully resolved yyGLRState to...
8943 (yyresolveValue): ... here so that yyresolveValue always leaves a
8944 yyGLRState with consistent data and thus is easier to understand.
8945 Remove the yyvalp and yylocp parameters since they are always just
8946 taken from the yys parameter. When reporting a discarded merged value
8947 in debugging output, note that it is incompletely merged. Document the
8948 interface.
8949 (yyresolveAction): If resolving any of the RHS states fails, destroy
8950 them all rather than leaking them. Thus, as long as user actions are
8951 written to clean up the RHS correctly, yyresolveAction always cleans up
8952 the RHS of a semantic option. Document the interface.
8953
8954 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
8955
8956 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
8957 led to a segmentation fault in GNU Pascal. Problem reported
8958 by Waldek Hebisch.
8959
8960 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
8961
8962 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
8963 mid-rule action inside a nonterminal symbol in order to declare a
8964 destructor for its semantic value.
8965
8966 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
8967
8968 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
8969 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
8970 __cplusplus && ! defined _STDLIB_H && !
8971 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
8972 defined free))]: Include <stdlib.h> rather than rolling our own
8973 declarations of malloc and free, to avoid problems with
8974 incompatible declarations (using 'throw') C++'s stdlib.h. This
8975 should fix Debian bug 340012
8976 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
8977 reported by Guillaume Melquiond.
8978
8979 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8980
8981 * NEWS: Clarify symbols versus types in unused-value warnings.
8982
8983 * configure.ac (AC_INIT): Bump version number.
8984
8985 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
8986
8987 * NEWS: Version 2.1a.
8988 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
8989 since C99 requires this.
8990
8991 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
8992
8993 * m4/c-working.m4: New file.
8994 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
8995
8996 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
8997
8998 * Makefile.maint: Merge from coreutils.
8999
9000 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
9001
9002 More portability fixes for problems summarized by Nelson H. F. Beebe.
9003
9004 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
9005 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
9006 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
9007 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
9008 messes up because C++ code is compiled in 32-bit mode but linked
9009 in 64-bit mode.
9010
9011 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
9012
9013 More portability fixes for problems summarized by Nelson H. F. Beebe.
9014
9015 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
9016 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
9017
9018 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
9019 nodist_PROGRAMS, since we don't need to actually compile the
9020 example if we're just doing a plain 'make'. This avoids bothering
9021 the installer unnecessarily about problems due to weird C++
9022 compilers.
9023
9024 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
9025
9026 More portability fixes for problems summarized by Nelson H. F. Beebe.
9027
9028 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
9029 than #include "...", and compile with -I'.'. The old method was
9030 not portable, according to Posix and the C standard, and it does
9031 not work with Sun C 5.7, where previous #line directives affect
9032 the working directory used in later #include "..." directives.
9033
9034 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9035
9036 Various DJGGP specific issues in /djgpp
9037
9038 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
9039
9040 More portability fixes for problems summarized by Nelson H. F. Beebe.
9041
9042 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
9043 '#include <map>' works and that you can apply ++ to iterators.
9044
9045 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
9046
9047 Work around portability problems summarized by Nelson H. F. Beebe in
9048 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
9049
9050 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
9051 that '#include <string>' works.
9052
9053 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
9054 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
9055 "warning: sorry: semantics of inline function static data `const
9056 unsigned char translate_table[262]' are wrong (you'll wind up with
9057 multiple copies)".
9058
9059 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
9060 or, xor to not_, and_, or_, and xor_, respectively. This works
9061 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
9062 random system header somewhere that includes the equivalent of
9063 <iso646.h>.
9064
9065 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
9066 -E" works; it apparently doesn't work with PathScale EKO Compiler
9067 Suite Version 2.0.
9068
9069 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
9070
9071 During deterministic GLR operation, user actions should be able to
9072 influence the parse by changing yychar. To make this easier to fix and
9073 to make glr.c easier to evolve in general, don't maintain yytoken in
9074 parallel with yychar; just compute yytoken when needed.
9075 * tests/glr-regression.at (Incorrect lookahead during deterministic
9076 GLR): Check that setting yychar in a user action has the intended
9077 effect.
9078 * data/glr.c (yyGLRStack): Remove yytokenp member.
9079 (yyclearin): Don't set *yytokenp.
9080 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
9081 yychar rather than *yytokenp to determine the current lookahead.
9082 Compute yytoken locally when needed.
9083 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
9084 point to.
9085
9086 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
9087 after `--report' documentation.
9088
9089 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
9090
9091 * src/parse-gram.y (grammar_declaration): Location of printer
9092 symbol is @1, not list->location. Bug reported by twlevo.
9093 * tests/input.at (Incompatible Aliases): Adjust to above change.
9094
9095 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
9096
9097 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
9098 all the test at once. This makes the output easier to read in the
9099 normal case.
9100
9101 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
9102 got from <http://bro-ids.org/download.html>. The bug is that
9103 when two actions appeared in succession, the second one was
9104 scanned before the first one was added to the grammar rule
9105 as a midrule action. Bison then output the incorrect warning
9106 "parse.y:905.17-906.36: warning: unused value: $3".
9107 * src/parse-gram.y (BRACED_CODE, action): These are no longer
9108 associated with a value.
9109 (rhs): Don't invoke grammar_current_rule_action_append.
9110 (action): Invoke it here instead.
9111 * src/reader.c (grammar_midrule_action): Now extern.
9112 (grammar_current_rule_action_append): Don't invoke
9113 grammar_midrule_action; that is now the scanner's job.
9114 * src/reader.h (last_string, last_braced_code_loc):
9115 (grammar_midrule_action): New decls.
9116 * src/scan-gram.l (last_string): Now extern, sigh.
9117 (last_braced_code_loc): New extern variable.
9118 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
9119 rule already has an action.
9120 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
9121 * tests/input.at (AT_CHECK_UNUSED_VALUES):
9122 Add some tests to check that the above changes fixed the bug.
9123
9124 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
9125
9126 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
9127 All used changed. Check whether the symbol has a destructor,
9128 not whether it is typed.
9129 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
9130 that the values are still reported as unused. All line numbers
9131 adjusted.
9132
9133 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
9134
9135 Work around a bug in bro 0.8, which underparenthesizes its
9136 definition of YYLLOC_DEFAULT.
9137 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
9138 their arguments.
9139 * data/lalr1.cc: Likewise.
9140 * data/yacc.cc: Likewise.
9141
9142 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
9143
9144 Work around a bug in Pike 7.0, and give the Pike folks a
9145 better way to override the usual int widths.
9146 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
9147 user can override the types.
9148 (short): #undef, to work around a bug in Pike 7.0.
9149 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
9150 (union yyalloc.yyss): Use yytype_int16 rather than short.
9151 All uses changed.
9152 (yysigned_char): Remove.
9153 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
9154 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
9155 * tests/regression.at (Web2c Actions): Adjust to above changes.
9156
9157 * src/reader.c (check_and_convert_grammar): New function.
9158 (reader): Close the input file even if something went wrong during
9159 parsing. Minor file descriptor leak reported by twlevo.
9160
9161 * src/assoc.c (assoc_to_string): Use a default: abort (); case
9162 to pacify gcc -Wswitch-default.
9163 * src/scan-gram.l (adjust_location): Use a default: break; case
9164 to pacify gcc -Wswitch-default.
9165 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
9166 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9167 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9168 Move these decls to scan-skel.l, since they don't need to be
9169 visible elsewhere.
9170 * src/scan-skel.l: Accept the above decls.
9171 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
9172 is used.
9173
9174 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
9175
9176 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
9177 since we don't want to insist on a version number at the start
9178 of the changelog every time.
9179 * Makefile.maint: Sync from coreutils a bit better.
9180 (sc_trailing_blank): Renamed from sc_trailing_space.
9181 All uses changed.
9182 (sc_no_if_have_config_h, sc_require_config_h):
9183 (sc_prohibit_assert_without_use): New rules.
9184 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
9185 (sc_dd_max_sym_length): Fix leading spaces in rule.
9186 (sc_system_h_headers): Prefix with @.
9187 (sc_useless_cpp_parens, m4-check): Output line numbers.
9188 (changelog-check): Allow version only in head.
9189 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
9190 satisfy new Makefile.maint rule.
9191 * data/glr.c: Likewise.
9192 * data/glr.cc: Likewise.
9193 * data/lalr1.cc: Likewise.
9194 * data/yacc.c: Likewise.
9195 * lib/ebitsetv.c: Likewise.
9196 * lib/lbitset.c: Likewise.
9197 * lib/subpipe.c: Likewise.
9198 * lib/timevar.c: Likewise.
9199 * src/system.h: Likewise.
9200 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
9201 * djgpp/Makefile.maint: Add copyright notice.
9202 * djgpp/README.in: Likewise.
9203 * djgpp/config.bat: Likewise.
9204 * djgpp/config.site: Likewise.
9205 * djgpp/config_h.sed: Likewise.
9206 * djgpp/djunpack.bat: Likewise.
9207 * djgpp/config.sed: Fix copyright notice to match standard format.
9208 * djgpp/subpipe.h: Likewise.
9209 * lib/bitsetv-print.c: Likewise.
9210 * lib/bitsetv.c: Likewise.
9211 * lib/subpipe.h: Likewise.
9212 * lib/timevar.c: Likewise.
9213 * lib/timevar.h: Likewise.
9214 * djgpp/subpipe.c: Use standard recipe for config.h.
9215 * lib/abitset.c: Likewise.
9216 * lib/bitset.c: Likewise.
9217 * lib/bitset_stats.c: Likewise.
9218 * lib/bitsetv-print.c: Likewise.
9219 * lib/bitsetv.c: Likewise.
9220 * lib/ebitsetv.c: Likewise.
9221 * lib/get-errno.c: Likewise.
9222 * lib/lbitset.c: Likewise.
9223 * lib/subpipe.c: Likewise.
9224 * lib/timevar.c: Likewise.
9225 * lib/vbitset.c: Likewise.
9226 * tests/local.at: Likewise.
9227 * src/scan-gram.l: Don't include verify.h, since system.h does
9228 that for us.
9229 * .x-sc_require_config_h: New file.
9230 * .x-sc_unmarked_diagnostics: New file.
9231
9232 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
9233
9234 Be a bit more systematic about using 'abort'.
9235 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
9236 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
9237 Put 'default: abort ();' before some other case, to satisfy older
9238 pedantic compilers.
9239 * lib/bitset_stats.c (bitset_stats_init): Likewise.
9240 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
9241 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
9242 * src/conflicts.c (resolve_sr_conflict): Likewise.
9243 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
9244 (get_decision_str, get_orientation_str, get_node_alignment_str):
9245 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
9246 (get_linestyle_str, get_arrowstyle_str): Likewise.
9247 * src/conflicts.c (resolve_sr_conflict):
9248 Use a default case rather than one for the one remaining enum
9249 value, to catch invalid enum values as well.
9250 * src/lalr.c (set_goto_map, map_goto):
9251 Prefer "assert (FOO);" to "if (!FOO) abort ();".
9252 * src/nullable.c (nullable_compute, token_definitions_output):
9253 Likewise.
9254 * src/reader.c (packgram, reader): Likewise.
9255 * src/state.c (transitions_to, state_new, state_reduction_find):
9256 Likewise.
9257 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
9258 (symbol_pack): Likewise.
9259 * src/tables.c (conflict_row, pack_vector): Likewise.
9260 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
9261 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
9262 * src/system.h: Don't include <assert.h>.
9263 (assert): New macro.
9264
9265 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
9266 (Destructor Decl, Parser Function, Pure Calling):
9267 Describe rules for braces inside C code more carefully.
9268
9269 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
9270
9271 Fix some porting glitches found by Nelson H. F. Beebe.
9272 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
9273 compilers that don't understand that abort () does not return.
9274 * src/state.c (transitions_to): Likewise.
9275 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
9276 that '#include <cstdlib>' works.
9277 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
9278 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
9279 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
9280 for the benefit of some pre-C99 compilers.
9281
9282 * bootstrap: Undo changes to gnulib files that autoreconf made.
9283
9284 Minor fixups to get 'make maintainer-check' to work.
9285 * configure.ac: Don't use -Wnested-externs, as it's incompatible
9286 with the new verify.h implementation.
9287 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
9288 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
9289 * data/yacc.c (YYUSE): Likewise.
9290 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
9291 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
9292 * src/parse-gram.y (declaration): Don't pass a string constant
9293 to a function that expects char *, since GCC might complain
9294 about the constant value.
9295 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
9296 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
9297 before #defining them.
9298 * tests/glr-regression.at
9299 (Incorrectly initialized location for empty right-hand side in GLR):
9300 In yyerror, use the msg arg.
9301 (Corrupted semantic options if user action cuts parse):
9302 (Incorrect lookahead during deterministic GLR):
9303 (Incorrect lookahead during nondeterministic GLR):
9304 Don't name a local var 'index'; it shadows string.h's 'index'.
9305
9306 2006-01-19 Akim Demaille <akim@epita.fr>
9307
9308 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
9309 location, not just parts of it.
9310
9311 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
9312
9313 * NEWS: Document the fact that multiple %unions are now allowed.
9314 * doc/bison.texinfo (Union Decl): Likewise.
9315 * TODO: This feature is now implemented, so remove it from
9316 the wishlist.
9317
9318 * Makefile.maint: Merge with coreutils Makefile.maint.
9319 (CVS_LIST): Use build-aux version if available.
9320 (VERSION_REGEXP): New macro.
9321 (syntax-check-rules): Add sc_no_if_have_config_h,
9322 sc_prohibit_assert_without_use, sc_require_config_h,
9323 sc_useless_cpp_parens.
9324 (sc_obsolete_symbols): Check for O_NDELAY.
9325 (sc_dd_max_sym_length): Track coreutils.
9326 (sc_unmarked_diagnostics): Look in all files, not just *.c.
9327 (sc_useless_cpp_parens): New rule.
9328 (news-date-check): Look for version or today's date.
9329 (changelog-check): Don't require version number near head.
9330 (copyright-check): Use current year instead of hardwiring 2005.
9331 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
9332 (announcement): Add --gpg-key-ID.
9333
9334 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
9335 with "file system".
9336
9337 Avoid undefined behavior that addressed just before the start of an
9338 array. Problem reported by twlevo.
9339 * src/reader.c (packgram): Prepend a new sentinel before ritem.
9340 * src/lalr.c (build_relations): Rely on new sentinel.
9341 * src/gram.c (gram_free): Adjust to new sentinel.
9342
9343 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
9344
9345 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
9346 yylookaheadNeeds. All uses updated.
9347 (yysplitStack): Rename local yynewLookaheadStatuses to
9348 yynewLookaheadNeeds.
9349 * data/glr-regression.at (Incorrect lookahead during nondeterministic
9350 GLR): In comments, change `lookahead status' to `lookahead need'.
9351
9352 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9353
9354 * data/glr.c (yysplitStack): A little stylistic rewrite.
9355
9356 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9357
9358 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
9359
9360 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
9361
9362 * doc/bison.texinfo: Fix some typos.
9363 (GLR Semantic Actions): New subsection discussing special
9364 considerations because GLR semantic actions might be deferred.
9365 (Actions): Mention look-ahead usage of yylval.
9366 (Actions and Locations): Mention look-ahead usage of yylloc.
9367 (Special Features for Use in Actions): Add YYEOF entry and mention it
9368 in the yychar entry.
9369 In the yychar entry, remove mention of the local yychar case (pure
9370 parser) since this is irrelevant information when writing semantic
9371 actions and since it's already discussed in `Table of Symbols' where
9372 yychar is otherwise described as an external variable.
9373 In the yychar entry, don't call it the `current' look-ahead since it
9374 isn't when semantic actions are deferred.
9375 In the yychar and yyclearin entries, add note about deferred semantic
9376 actions.
9377 Add yylloc and yylval entries discussing look-ahead usage.
9378 (Look-Ahead Tokens): When discussing yychar, don't call it the
9379 `current' look-ahead, and do mention yylval and yylloc.
9380 (Error Recovery): Cross-reference `Action Features' when mentioning
9381 yyclearin.
9382 (Table of Symbols): In the yychar entry, don't call it the `current'
9383 look-ahead.
9384 In the yylloc and yylval entries, mention look-ahead usage.
9385
9386 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
9387
9388 * tests/glr-regression.at: Update copyright year to 2006.
9389
9390 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9391
9392 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
9393 use during nondeterministic operation to track which stacks have
9394 actually needed the current lookahead.
9395 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
9396 Allocate, deallocate, resize, and otherwise shuffle space for
9397 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
9398 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
9399 appropriately during nondeterministic operation.
9400 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
9401 members to store the current lookahead to be used by the deferred
9402 user action.
9403 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
9404 from which the RHS is taken. Set the lookahead members of the new
9405 yySemanticOption according to the lookahead status for stack yyk.
9406 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
9407 yyaddDeferredAction.
9408 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
9409 members of yySemanticOption before invoking yyuserAction, and then set
9410 them back to their current values afterward.
9411 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
9412 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
9413 * tests/glr-regression.at: Remove `.' from the ends of recent test case
9414 titles for consistency.
9415 (Leaked merged semantic value if user action cuts parse): In order to
9416 suppress lint warnings, use arguments in merge function, and assign
9417 char value < 128 in main.
9418 (Incorrect lookahead during deterministic GLR): New test case.
9419 (Incorrect lookahead during nondeterministic GLR): New test case.
9420
9421 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9422
9423 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
9424 !yyvaluep as signal that no semantic value is available to print.
9425 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
9426 to print a semantic value.
9427
9428 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
9429
9430 * tests/glr-regression.at: For consistency with my newer test cases,
9431 don't thank myself.
9432
9433 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
9434
9435 * data/glr.c (yyresolveValue): When merging semantic options, if at
9436 least one user action succeeds but a later one cuts the parse, then
9437 destroy the semantic value before returning rather than leaking it.
9438 (yyresolveStates): If a user action cuts the parse and thus
9439 yyresolveValue fails, ignore the (unset) semantic value rather than
9440 corrupting the yyGLRState, and empty the semantic options list since
9441 the user actions should have called all necessary destructors.
9442 Simplify code with YYCHK.
9443 * tests/glr-regression.at (Corrupted semantic options if user action
9444 cuts parse): New test case.
9445 (Undesirable destructors if user action cuts parse): New test case.
9446 Before applying any of this patch, this test case never actually failed
9447 for me... but only because the corrupted semantic options usually
9448 masked this bug.
9449 (Leaked merged semantic value if user action cuts parse): New test
9450 case.
9451
9452 2006-01-05 Akim Demaille <akim@epita.fr>
9453
9454 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
9455
9456 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
9457
9458 * data/c.m4 (b4_c_modern): New macro, with a new provision for
9459 _MSC_VER. Problem reported by Cenzato Marco.
9460 (b4_c_function_def): Use it.
9461 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
9462 b4_c_modern.
9463 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
9464 than rolling our own.
9465
9466 2006-01-04 Akim Demaille <akim@epita.fr>
9467
9468 Also warn about non-used mid-rule values.
9469 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
9470 member.
9471 (symbol_list_new): Adjust.
9472 * src/reader.c (symbol_typed_p): New.
9473 (grammar_rule_check): Use it.
9474 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
9475 Check its rule.
9476 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
9477 Use it.
9478 * tests/actions.at (Exotic Dollars): Adjust.
9479
9480 2006-01-04 Akim Demaille <akim@epita.fr>
9481
9482 * src/reader.c (grammar_midrule_action): If $$ is set in a
9483 mid-rule, move the `used' bit to its lhs.
9484 * tests/input.at (Unused values): New.
9485 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
9486
9487 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
9488
9489 * doc/bison.texinfo (Bison Options): Say more accurately what
9490 --yacc does.
9491 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
9492 about declarations in the grammar when in Yacc mode, as POSIX does
9493 not require a diagnostic when the grammar uses extensions.
9494
9495 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
9496
9497 Warn about dubious constructions like "%token T T".
9498 Reported by twlevo.
9499 * src/symtab.h (struct symbol.declared): New member.
9500 * src/symtab.c (symbol_new): Initialize it to false.
9501 (symbol_class_set): New arg DECLARING, specifying whether
9502 this is a declaration that we want to warn about, if there
9503 is more than one of them. All uses changed.
9504
9505 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
9506 Allow multiple %union directives, whose contents concatenate.
9507 * src/parse-gram.y (grammar_declaration): Likewise.
9508 Use muscle_code_grow, so that we don't need stype_line any more.
9509 All uses changed.
9510
9511 * src/muscle_tab.c (muscle_grow): Fix comment.
9512
9513 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
9514 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
9515 Update copyright year to 2006.
9516
9517 2006-01-03 Akim Demaille <akim@epita.fr>
9518
9519 Have glr.cc pass (some of) the calc.at tests.
9520 * data/glr.cc (b4_parse_param_orig): New.
9521 (b4_parse_param): Improve its definition, and bound it more
9522 clearly in the skeleton.
9523 (b4_epilogue): Append, instead of prepending, in order to keep
9524 #line consistency.
9525 Simplify the generation of auxiliary functions: locations and
9526 purity are mandated.
9527 (b4_global_tokens_and_yystype): Honor it.
9528 * data/location.cc (c++.m4): Don't include it.
9529 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
9530 and AT_SKEL_CC_IF.
9531 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
9532 AT_LALR1_CC_IF.
9533 Be sure to initialize the first position's filename.
9534 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
9535 mandated anyway.
9536 (AT_CHECK_CALC_GLR_CC): New.
9537 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
9538
9539 2006-01-02 Akim Demaille <akim@epita.fr>
9540
9541 * src/output.c (output_skeleton): Don't hard wire the inclusion of
9542 c.m4.
9543 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
9544 * data/glr.cc: Do not include stack.hh.
9545
9546 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
9547
9548 * data/glr.c: Reformat whitespace with tabs.
9549 (b4_lpure_formals): Remove this unused m4 macro.
9550 * tests/cxx-type.at: Reformat whitespace with tabs.
9551 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
9552 since it's a member. Rename type to isNterm for clarity.
9553
9554 2005-12-29 Akim <akim@sulaco.local>
9555
9556 Let glr.cc catch up with symbol_value_print.
9557 * data/glr.cc (b4_yysymprint_generate): Replace by...
9558 (b4_yy_symbol_print_generate): this.
9559 (yy_symbol_print, yy_symbol_value_print): Declare them.
9560
9561 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
9562
9563 * src/location.h (boundary): Note that a line or column equal
9564 to INT_MAX indicates an overflow.
9565 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
9566 (rule_length_overflow, increment_rule_length, add_column_width):
9567 New functions.
9568 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
9569 (<SC_BRACED_CODE>"}"):
9570 Use increment_rule_length rather than incrementing it by hand.
9571 (adjust_location, handle_syncline): Diagnose overflow.
9572 (handle_action_dollar, handle_action_at):
9573 Fix bug with monstrosities like $-2147483648.
9574 Remove now-unnecessary checks.
9575 (scan_integer): Verify assumptions and remove now-unnecessary checks.
9576 (convert_ucn_to_byte): Verify assumptions.
9577 (handle_syncline): New arg LOC. All callers changed.
9578 Don't store through a value derived from char const * pointer.
9579
9580 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
9581 GCC warnings.
9582
9583 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
9584
9585 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
9586 Remove unnecessary forward static decls.
9587
9588 2005-12-27 Akim Demaille <akim@epita.fr>
9589
9590 * src/reader.c (grammar_current_rule_check): Also check that $$
9591 is used.
9592 Take the rule to check as argument, hence rename as...
9593 (grammar_rule_check): this.
9594 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
9595 Rename as...
9596 (grammar_rule_begin, grammar_rule_end): these, for consistency.
9597 (grammar_midrule_action, grammar_symbol_append): Now static.
9598 * tests/torture.at (input): Don't rely on the default action
9599 being always performed.
9600 * tests/calc.at: "Set" $$ even when the action is "cut" with
9601 YYERROR or other.
9602 * tests/actions.at (Exotic Dollars): Instead of using unused
9603 values, check that the warning is issued.
9604
9605 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
9606
9607 * NEWS: Improve wording for unused-value warnings.
9608
9609 2005-12-22 Akim Demaille <akim@epita.fr>
9610
9611 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
9612 (b4_yysymprint_generate): Rename as...
9613 (b4_yy_symbol_print_generate): this.
9614 Generate yy_symbol_print instead of yysymprint.
9615 Generate also yy_symbol_value_print, and use it.
9616
9617 2005-12-22 Akim Demaille <akim@epita.fr>
9618
9619 * NEWS: Warn about unused values.
9620 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
9621 a `used' member.
9622 (symbol_list_n_get, symbol_list_n_used_set): New.
9623 (symbol_list_n_type_name_get): Use symbol_list_n_get.
9624 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
9625 * src/reader.c (grammar_current_rule_check): Check that values are
9626 used.
9627 * src/symtab.c (symbol_print): Accept 0.
9628 * tests/existing.at: Remove the type information.
9629 Empty the actions.
9630 Remove useless actions (beware of mid-rule actions: perl -000
9631 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
9632 * tests/actions.at (Exotic Dollars): Use unused values.
9633 * tests/calc.at: Likewise.
9634 * tests/glr-regression.at (No users destructors if stack 0 deleted):
9635 Likewise.
9636
9637 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
9638 rule_useful_p.
9639
9640 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
9641
9642 Undo 2005-12-01 tentative license wording change. The wording is
9643 still being reviewed by the lawyers, and we don't want to wait for
9644 them before publishing a test release. For now, revert to the
9645 previous wording.
9646 * NEWS: Undo 2005-12-01 change.
9647 * data/glr.c: Revert to previous license wording.
9648 * data/glr.cc: Likewise.
9649 * data/lalr1.cc: Likewise.
9650 * data/location.cc: Likewise.
9651 * data/yacc.c: Likewise.
9652
9653 * NEWS: Reword %destructor vs YYABORT etc.
9654 * data/glr.c: Use American spacing, for consistency.
9655 * data/glr.cc: Likewise.
9656 * data/lalr1.cc: Likewise.
9657 * data/yacc.c: Likewise.
9658 * data/yacc.c: Reformat comments slightly.
9659 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
9660 for consistency. Fix some spelling errors and reword recently-included
9661 text slightly.
9662 * tests/cxx-type.at: Cast results of malloc, for C++.
9663
9664 2005-12-21 Joel E. Denny <address@hidden>
9665
9666 * tests/cxx-type.at: Construct a tree, count the parents of shared
9667 nodes, and free each node once and only once. Previously, the memory
9668 for semantic values was leaked instead.
9669
9670 2005-12-21 Joel E. Denny <address@hidden>
9671
9672 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
9673 (yylval, yylloc): If pure, #define to yystackp->yyval and
9674 yystackp->yyloc similar to yychar and yynerrs.
9675 (yyparse): If pure, remove local yylval and yylloc. Add local
9676 yystackp to accommodate pure definitions of yylval and yylloc.
9677 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
9678 yylvalp and yyllocp to &yylval and &yylloc.
9679 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
9680 namespace. Previously, nerrs and char were missing, but lval and lloc
9681 weren't necessary.
9682 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
9683 yylvalp and yyllocp parameters since, if pure, these are now always
9684 accessible through yystackp. If not pure, they are still accessible
9685 globally.
9686 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
9687 `if (YYID (N))' to pacify lint.
9688
9689 2005-12-21 Akim Demaille <akim@epita.fr>
9690
9691 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
9692 destroy the RHS symbols of a rule.
9693 * data/yacc.c (yylen): Initialize to 0.
9694 Keep its value to the number of items to possibly shift.
9695 In particular, a regular successful parse that ends on YYFINAL by
9696 a (internal) YYACCEPT must not have yylen != 0.
9697 (yyerrorlab, yyreturn): Pop the RHS.
9698 Reorder a bit to emphasize the `shifting' bits of code.
9699 (YYPOPSTACK): Now accept a number of items to pop.
9700 * data/lalr1.cc: Likewise.
9701 * data/glr.c: Formatting changes.
9702 Use goto instead of fall through.
9703 * doc/bison.texinfo (Destructor Decl): Complete.
9704
9705 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
9706
9707 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
9708 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
9709 * djgpp/config.bat: Replace every occurence of the file name
9710 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
9711 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
9712 * djgpp/config.sed: Replace every occurence of the file name
9713 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
9714 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
9715 * djgpp/djunpack.bat: DJGPP specific file.
9716 * djgpp/fnchange.lst: DJGPP specific file.
9717 * djgpp/README.in: Add new information about how to unpack the bison
9718 source on MSDOS and other systems which have 8.3 file name restrictions
9719 using djunpack.bat and fnchange.lst.
9720
9721 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
9722
9723 * bootstrap (build_cvs_prefix): Remove; unused.
9724 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
9725 when getting gnulib.
9726
9727 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
9728
9729 * data/glr.c: Reorder typedef declarations for structs to match order
9730 of struct declarations.
9731 Rename yystack everywhere to yystackp except in yyparse where it's not
9732 a pointer.
9733 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
9734 consistency.
9735 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
9736 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
9737 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
9738 lint.
9739
9740 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
9741
9742 * tests/sets.at (Accept): Fix typos in regular expression used to
9743 sed out the final state number.
9744
9745 Work around portability problem on Solaris 10: flex-generated
9746 files include <stdio.h> before <config.h>, which messes up
9747 because the latter defines __EXTENSIONS__. Address the problem
9748 by creating two new little files that include <config.h> first,
9749 then include the flex-generated files. Rewrite everyone else
9750 to include <config.h> first, as well.
9751 * lib/timevar.c: Always include "config.h".
9752 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
9753 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
9754 (EXTRA_bison_SOURCES): New macro.
9755 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
9756 * src/system.h: Don't include config.h.
9757 * src/LR0.c: Include <config.h> first.
9758 * src/assoc.c: Likewise.
9759 * src/closure.c: Likewise.
9760 * src/complain.c: Likewise.
9761 * src/conflicts.c: Likewise.
9762 * src/derives.c: Likewise.
9763 * src/files.c: Likewise.
9764 * src/getargs.c: Likewise.
9765 * src/gram.c: Likewise.
9766 * src/lalr.c: Likewise.
9767 * src/location.c: Likewise.
9768 * src/main.c: Likewise.
9769 * src/muscle_tab.c: Likewise.
9770 * src/nullable.c: Likewise.
9771 * src/output.c: Likewise.
9772 * src/parse-gram.y: Likewise.
9773 * src/print.c: Likewise.
9774 * src/print_graph.c: Likewise.
9775 * src/reader.c: Likewise.
9776 * src/reduce.c: Likewise.
9777 * src/relation.c: Likewise.
9778 * src/state.c: Likewise.
9779 * src/symlist.c: Likewise.
9780 * src/symtab.c: Likewise.
9781 * src/tables.c: Likewise.
9782 * src/uniqstr.c: Likewise.
9783 * src/vcg.c: Likewise.
9784
9785 * src/parse-gram.y: Fix minor problems uncovered by lint.
9786 (current_lhs, current_lhs_location): Now static.
9787 (current_assoc): Remove unused variable.
9788
9789 Cleanups so that Bison-generated parsers have less lint.
9790 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
9791 Prepend /*ARGSUSED*/, for lint's sake.
9792 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
9793 definition if 'lint' is defined.
9794 (YYID): New macro (or function, if lint).
9795 All uses of /*CONSTCOND*/0 replaced by YYID(0).
9796 * data/yacc.c: Likewise.
9797 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
9798 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
9799 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
9800 is C++ only.
9801 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
9802 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
9803 Use YYID(0) rather than 0, for lint.
9804 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
9805 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
9806
9807 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
9808
9809 * tests/glr-regression.at
9810 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9811 Close memory leak reported by twlevo.
9812
9813 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
9814
9815 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
9816 all stacks.
9817 (yyparse): Iterate another stack in order to call user destructors.
9818 * tests/glr-regression.at (No users destructors if stack 0 deleted):
9819 New test case.
9820 (Duplicated user destructor for lookahead): This test now is expected
9821 to succeed.
9822
9823 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
9824
9825 * NEWS: Document the following change.
9826 * data/yacc.c: Say "parser skeleton" rather than "file", since
9827 it's no longer just a file.
9828 * data/glr.c: Grant a special exception for C GLR parsers, that
9829 reads like the already-existing exception for C LALR(1) parsers.
9830 * data/glr.cc: Likewise.
9831 * data/lalr1.cc: Likewise.
9832 * data/location.cc: Likewise.
9833 * data/yacc.c: Reword the "written by" statement to clarify that
9834 it was the parser skeleton, not the entire output file.
9835 * data/glr.c: Written by Paul Hilfinger.
9836 * data/glr.cc: Written by Akim Demaille.
9837 * data/lalr1.cc: Likewise.
9838
9839 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
9840
9841 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
9842 Fix typos in previous change that broke 'make check'.
9843 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
9844 supported in C.
9845 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
9846 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
9847 We can revert this once things settle down.
9848
9849 * src/conflicts.c (conflicts_print): Don't print file name twice
9850 when %expect fails because there were no conflicts.
9851 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
9852 change.
9853 * tests/conflicts.at (%expect not enough, %expect too much):
9854 (%expect with reduce conflicts): Adjust to new behavior.
9855
9856 2005-11-18 Akim Demaille <akim@epita.fr>
9857
9858 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
9859 errors.
9860 * NEWS: Document this.
9861 * doc/bison.texinfo (Expect Decl): Likewise.
9862
9863 2005-11-16 Akim Demaille <akim@epita.fr>
9864
9865 Generalize the display of semantic values and locations in traces.
9866 * data/glr.c (yy_reduce_print): Fix indices (again).
9867 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
9868 literal integers.
9869 * data/lalr1.cc (yyreduce_print): Rename as...
9870 (yy_reduce_print): this.
9871 Display values and locations.
9872 * data/yacc.c (yy_reduce_print): Likewise.
9873 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
9874 (yysymprint): Move higher to be visible from yy_reduce_print).
9875 (yyparse): Adjust.
9876 * tests/calc.at: Adjust the expected length of the traces.
9877
9878 2005-11-14 Akim Demaille <akim@epita.fr>
9879
9880 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
9881 from 1 to N, while values and location start at 0.
9882 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
9883
9884 2005-11-14 Akim Demaille <akim@epita.fr>
9885
9886 * data/glr.c (yy_reduce_print): Fix the $ number.
9887
9888 2005-11-14 Akim Demaille <akim@epita.fr>
9889
9890 "Use" parse parameters.
9891 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
9892 * data/glr.c, data/glr.cc: Use them.
9893 * data/glr.c (YYUSE): Have a C++ definition that supports
9894 non-pointer types.
9895
9896 2005-11-14 Akim Demaille <akim@epita.fr>
9897
9898 * data/glr.c (yyexpandGLRStack): Declare only if defined.
9899
9900 2005-11-14 Akim Demaille <akim@epita.fr>
9901
9902 * data/glr.cc: New.
9903 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
9904
9905 2005-11-12 Akim Demaille <akim@epita.fr>
9906
9907 Let position and location be PODs.
9908 * data/location.cc (position::initialize, location::initialize): New.
9909 (position::position, location::location): Define only if
9910 b4_location_constructors is defined.
9911 * data/lalr1.cc (b4_location_constructors): Define it for backward
9912 compatibility.
9913 * doc/bison.texinfo (Initial Action Decl): Use initialize.
9914
9915 2005-11-12 Akim Demaille <akim@epita.fr>
9916
9917 * data/lalr1.cc: Move the body of the ctor and dtor into the
9918 parser file (instead of the header).
9919 Wrap the implementations in a "namespace yy".
9920
9921 2005-11-12 Akim Demaille <akim@epita.fr>
9922
9923 Have glr.c include its header file when created.
9924 * data/glr.c (b4_shared_declarations): New.
9925 Output them verbatim in the parser if !%defines, otherwise
9926 output then in the header file, and include it instead.
9927
9928 2005-11-11 Akim Demaille <akim@epita.fr>
9929
9930 * data/glr.c: Comment changes.
9931
9932 2005-11-11 Akim Demaille <akim@epita.fr>
9933
9934 When yydebug, report semantic and location values for reductions.
9935 * data/glr.c (yy_reduce_print): Report the semantic values and the
9936 locations.
9937 (YY_REDUCE_PRINT): Adjust.
9938 (yyglrReduce): Use them.
9939 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
9940 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
9941 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
9942 traces.
9943
9944 2005-11-10 Akim Demaille <akim@epita.fr>
9945
9946 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
9947 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
9948 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
9949
9950 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
9951
9952 * m4/cxx.m4, examples/Makefile.am: Don't build
9953 examples/calc++ if no C++ compiler is available. (trivial change)
9954
9955 2005-11-09 Akim Demaille <akim@epita.fr>
9956
9957 * src/scan-skel.l: Use a couple of asserts.
9958
9959 2005-11-03 Akim Demaille <akim@epita.fr>
9960
9961 In some (weird) cases, the final state number is incorrect.
9962 Reported by Alexandre Duret-Lutz.
9963 * src/LR0.c (state_list_append): Remove the computation of
9964 final_state.
9965 (save_reductions): Do it here.
9966 (get_state): Alpha conversion.
9967 (generate_states): Use a for loop.
9968 * src/gram.h (item_number_is_rule_number)
9969 (item_number_is_symbol_number): New.
9970 * src/state.c: Use assert.
9971 * src/system.h: Include assert.h.
9972 * tests/sets.at (Accept): New.
9973
9974 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9975
9976 * data/glr.c (yyfill): Adjust comment.
9977 (yyresolveAction): Initialize default location properly
9978 for empty right-hand sides.
9979 (yydoAction): Ditto.
9980 Add comment explaining apparently dead code.
9981 * tests/glr-regression.at
9982 (Incorrectly initialized location for empty right-hand side in GLR):
9983 New test.
9984
9985 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
9986
9987 * bootstrap (cleanup_gnulib): New function. Use it to clean up
9988 gnulib when interrupted. This fixes some race conditions and
9989 works around some portability problems (one noted by Paul
9990 Hilfinger).
9991
9992 2005-10-22 Akim <akim@epita.fr>
9993
9994 * Makefile.cfg: Adjust to config -> build-aux.
9995 Reported by twledo.
9996
9997 2005-10-21 Akim Demaille <akim@epita.fr>
9998
9999 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
10000 the %parse-params.
10001 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
10002 * data/yacc.c (b4_Pure_if): Rename as...
10003 (b4_yacc_pure_if): this.
10004 (YY_SYMBOL_PRINT, yyparse): Adjust.
10005 * doc/bison.texinfo: Formatting changes.
10006
10007 2005-10-21 Akim Demaille <akim@epita.fr>
10008
10009 Finish the transition config -> build-aux.
10010 * configure.ac, Makefile.am: Use build-aux.
10011 * config/prev-version, config/announce-gen, config/Makefile.am:
10012 Move to...
10013 * build-aux/prev-version, build-aux/announce-gen,
10014 * build-aux/Makefile.am: here.
10015
10016 2005-10-14 Akim Demaille <akim@epita.fr>
10017
10018 * examples/calc++/test: Use set -x only when VERBOSE.
10019
10020 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
10021
10022 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
10023 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
10024
10025 2005-10-13 Akim Demaille <akim@epita.fr>
10026
10027 * src/scan-skel.l: Output the base name parts of the parser and
10028 header file names.
10029 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
10030 additional checks.
10031 Use this to exercise C++ outputs in subdirs.
10032 Reported by Oleg Smolsky.
10033
10034 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
10035
10036 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
10037 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
10038 Problem reported by John P. Hartmann.
10039 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
10040 already defined it.
10041
10042 2005-10-12 Akim Demaille <akim@epita.fr>
10043
10044 * src/parse-gram.y (version_check): Exit 63 to please missing
10045 (stands for "version mismatch).
10046 * tests/input.at, doc/bison.texinfo: Adjust.
10047
10048 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
10049
10050 Work around portability problems with Visual Age C compiler
10051 (xlc and xlC_r) reported by John P. Hartmann.
10052 * data/location.cc (initial_column, initial_line): Remove.
10053 All uses replaced by 0 and 1.
10054 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
10055 that xlc complains about.
10056 * src/scan-skel.l (skel_wrap): Likewise.
10057 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
10058 as __STDC__.
10059 * data/yacc.c (YYMODERN_C): New macro, which also looks at
10060 __STDC_VERSION__. Use it everywhere instead of looking at
10061 __STDC__ and __cplusplus.
10062
10063 2005-10-10 Akim Demaille <akim@epita.fr>
10064
10065 * examples/calc++/test: Be quiet unless VERBOSE.
10066
10067 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
10068
10069 * data/c.m4 (yydestruct, yysymprint):
10070 Use YYUSE instead of casting to void.
10071 * data/glr.c (YYUSE): New macro.
10072 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
10073 Use it instead of rolling our own.
10074 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
10075 (YYCHK1):
10076 Use /*CONSTCOND*/ to suppress lint warnings.
10077 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
10078 (YY_STACK_PRINT): Use 'false' not '0'.
10079 (YYUSE): New macro.
10080 (yysymprint_, yydestruct_): Use it instead of rolling our own.
10081 * data/yacc.c (YYUSE): New macro.
10082 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
10083 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
10084 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
10085
10086
10087 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
10088 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
10089
10090 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
10091
10092 Undo the parts of the unlocked-I/O change that substituted
10093 putc or puts for printf. This might hurt performance a bit,
10094 but some people prefer the printf style.
10095 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
10096 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
10097 All uses replaced by YYFPRINTF and YYDPRINTF.
10098 * data/yacc.c: Likewise.
10099 * lib/bitset.c (bitset_print): Likewise.
10100 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
10101 putc and puts.
10102 * lib/lbitset.c (debug_lbitset): Likewise.
10103 * src/closure.c (print_firsts, print_fderives): Likewise.
10104 * src/gram.c (grammar_dump): Likewise.
10105 * src/lalr.c (look_ahead_tokens_print): Likewise.
10106 * src/output.c (escaped_output): Likewise.
10107 (user_actions_output): Break apart two printfs.
10108 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
10109 * src/reduce.c (reduce_print): Likewise.
10110 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
10111 * src/system.h: Include unlocked-io.h rathe than stdio.h.
10112
10113 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
10114 Use assignments rather than casts-to-void to suppress
10115 unused-variable warnings. This pacifies 'lint'.
10116 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
10117 unused-variable warnings.
10118
10119 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
10120
10121 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
10122
10123 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
10124
10125 Use unlocked I/O for a minor performance improvement on hosts like
10126 GNU/Linux and Solaris that support unlocked I/O. The basic idea
10127 is to use the gnlib unlocked-io module, and to prefer putc and
10128 puts to printf when either will work (since the latter doesn't
10129 come in an unlocked flavor).
10130 * bootstrap (gnulib_modules): Add unlocked-io.
10131 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
10132 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
10133 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
10134 and similarly for puts and putc and printf.
10135 * data/yacc.c: Likewise.
10136 * lib/bitset.c (bitset_print): Likewise.
10137 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
10138 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
10139 to printf.
10140 * lib/lbitset.c (debug_lbitset): Likewise.
10141 * src/closure.c (print_firsts, print_fderives): Likewise.
10142 * src/gram.c (grammar_dump): Likewise.
10143 * src/lalr.c (look_ahead_tokens_print): Likewise.
10144 * src/output.c (escaped_output): Likewise.
10145 (user_actions_output): Coalesce two printfs.
10146 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
10147 * src/reduce.c (reduce_print): Likewise.
10148 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
10149 * src/system.h: Include unlocked-io.h rather than stdio.h.
10150
10151 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
10152 this confuses xgettext.
10153
10154 2005-10-02 Akim Demaille <akim@epita.fr>
10155
10156 * bootstrap (gnulib_modules): Add strverscmp.
10157 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
10158 * m4/.cvsignore: Add strverscmp.m4.
10159 * src/parse-gram.y (%require): New token, new rule.
10160 (version_check): New.
10161 * src/scan-gram.l (%require): Adjust.
10162 * tests/input.at (AT_REQUIRE): New.
10163 Use it.
10164 * doc/bison.texinfo (Require Decl): New.
10165 (Calc++ Parser): Use %require.
10166
10167 2005-10-02 Akim Demaille <akim@epita.fr>
10168
10169 * data/location.cc: New.
10170
10171 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
10172 Akim Demaille <akim@epita.fr>
10173
10174 Make sure -odir/foo.cc creates dir/location.hh etc.
10175 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
10176 (spec_file_prefix, spec_verbose_file, spec_graph_file)
10177 (spec_defines_file): Now const.
10178 (dir_prefix): New.
10179 (short_base_name): Remove.
10180 * src/files.c: Adjust.
10181 (dirname.h): Include.
10182 (base_name): Don't prototype it.
10183 (finput): Remove, duplicates gram_in.
10184 (full_base_name, short_base_name): Replace by...
10185 (all_but_ext, all_but_tab_ext): these.
10186 (compute_base_names): Rename as...
10187 (compute_file_name_parts): this.
10188 Update to compute the new variables, including dir_prefix.
10189 Adjust dependencies.
10190 * src/output.c (prepare): Output them.
10191 * src/reader.c: Adjust to use gram_in, not finput.
10192 * src/scan-skel.l (@dir_prefix@): New.
10193
10194 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
10195
10196 * lib/subpipe.c: New function end_of_output_subpipe() added
10197 to allow support for non-posix systems. This is a no-op function
10198 for posix systems.
10199
10200 * lib/subpipe.h: New function end_of_output_subpipe() added
10201 to allow support for non-posix systems. This is a no-op function
10202 for posix systems.
10203
10204 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
10205 handle the lack of pipe/fork functionality on non-posix systems.
10206
10207 * djgpp/Makefile.maint: DJGPP specific file.
10208
10209 * djgpp/README.in: DJGPP specific file.
10210
10211 * djgpp/config.bat: DJGPP specific configuration file.
10212
10213 * djgpp/config.sed: DJGPP specific configuration file.
10214
10215 * djgpp/config.site: DJGPP specific configuration file.
10216
10217 * djgpp/config_h.sed: DJGPP specific configuration file.
10218
10219 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
10220
10221 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
10222
10223 2005-10-02 Akim Demaille <akim@epita.fr>
10224
10225 * data/location.cc: New, extract from...
10226 * data/lalr1.cc: here.
10227 (location.hh): Include it after the user prologue, in case the
10228 filename type is defined by the user.
10229 Forward declation location and position before the pre-prologue.
10230 (yyresult_): Rename as...
10231 (yyresult): this, it's a local variable, not an attribute.
10232 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
10233
10234 2005-10-01 Akim Demaille <akim@epita.fr>
10235
10236 * examples/extexi: Restore the #line generation.
10237
10238 2005-09-30 Akim Demaille <akim@epita.fr>,
10239 Alexandre Duret-Lutz <adl@gnu.org>
10240
10241 Move the token type and YYSTYPE in the parser class.
10242 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
10243 (parser::token): New, from the moved free definition of tokens.
10244 (parser::semantic_value): Now a full definition instead of an
10245 indirection to YYSTYPE.
10246 (b4_post_prologue): No longer included in the header file, but
10247 in the implementation file.
10248 * doc/bison.texi (C+ Language Interface): Update.
10249 * src/parse-gram.y: Support unary %define.
10250 * tests/actions.at: Define global_tokens_and_yystype for backward
10251 compatibility until we update the tests.
10252 * tests/calc.at: Idem.
10253 (first_line, first_column, last_line, last_column): Define for lalr1.cc
10254 to simplify the code.
10255
10256 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
10257
10258 Port to SunOS 4.1.4, which lacks strtoul and strerror.
10259 Ah, the good old days! Problem reported by Peter Klein.
10260 * bootstrap (gnulib_modules): Add strerror, strtoul.
10261 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
10262 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
10263
10264 2005-09-29 Akim Demaille <akim@epita.fr>
10265
10266 * data/c.m4 (b4_error_verbose_if): New.
10267 * data/lalr1.cc: Use it.
10268 (YYERROR_VERBOSE_IF): Remove.
10269 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
10270 parser members, replaced by...
10271 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
10272 local variables.
10273 (yysyntax_error_): Takes the state number as argument.
10274 (yyreduce_print_): Use the argument yyrule, not the former
10275 attribute yyn_.
10276
10277 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
10278
10279 * bootstrap (gnulib_modules): Add verify.
10280 * lib/.cvsignore: Add verify.h.
10281 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
10282 * src/system.h (verify): Remove.
10283 Include verify.h instead.
10284 * src/tables.c (tables_generate): Use new API for 'verify'.
10285
10286 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
10287
10288 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
10289 local variables whose names begin with 'yy'.
10290 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
10291 Trivial changes from Joel E. Denny.
10292
10293 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
10294 it itself.
10295 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
10296 don't use alloca any more.
10297
10298 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
10299 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
10300 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
10301 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
10302 to match yacc.c, to test more hosts.
10303
10304 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
10305
10306 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
10307 doesn't affect behavior.
10308 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
10309 Solaris, AIX, MSC.
10310 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
10311 This works a bit better with glibc, if user code has already included
10312 stdlib.h.
10313 * doc/bison.texinfo (Bison Parser): Document that users can't
10314 arbitrarily use malloc and free for other purposes. Document
10315 that <alloca.h> and <malloc.h> might be included.
10316 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
10317 user must declare alloca.
10318
10319 * HACKING (release): Forwarn the Translation Project about
10320 stable releses.
10321
10322 2005-09-20 Akim Demaille <akim@epita.fr>
10323
10324 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
10325
10326 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
10327
10328 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
10329 (YYSTACK_ALLOC_MAXIMUM): Use it.
10330 (yysyntax_error): New function.
10331 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
10332 multiple syntax errors are reported, and alloca is being used.
10333 Instead, reallocate buffers twice as big each time, so that
10334 we waste at most half the allocated memory. Start with a small
10335 (128-byte) buffer that will suffice in most cases anyway.
10336 Use yysyntax_error to do most of the work.
10337
10338 * doc/bison.texinfo (Error Reporting, Table of Symbols):
10339 yynerrs is the number of errors reported, not the number of
10340 errors encountered.
10341
10342 * tests/glr-regression.at (Duplicated user destructor for lookahead):
10343 Mark it as expected to fail.
10344 Cast result of malloc; problem reported by twlevo@xs4all.nl.
10345 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
10346 Don't start user-code symbols with "yy", to avoid name space problems.
10347
10348 2005-09-19 Akim Demaille <akim@epita.fr>
10349
10350 Remove the traits, failed experiment.
10351 It never proved useful, and anyway because of the current
10352 definition, it was not possible to have several specialization of
10353 this traits, making it useless.
10354 * data/lalr1.cc (yy:traits): Remove.
10355 Inline its definitions in the parser class.
10356
10357 2005-09-19 Akim Demaille <akim@epita.fr>
10358
10359 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
10360 least Mac OSX with a /usr/local install of gettext.
10361
10362 2005-09-19 Akim Demaille <akim@epita.fr>
10363
10364 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
10365 and yytoken for similarity with the other skeletons.
10366
10367 2005-09-19 Akim Demaille <akim@epita.fr>
10368
10369 * NEWS, configure.ac: update version number to 2.1a.
10370
10371 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
10372
10373 * NEWS: Version 2.1.
10374
10375 * NEWS: Remove notice of yytname change, since it was never in an
10376 official release.
10377 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
10378 diagnostic.
10379 * src/output.c (prepare): Likewise.
10380 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
10381 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
10382 is not defined. This is an awful hack, but it's enough for now.
10383 All callers changed.
10384 * tests/glr-regression-at (make_value): Args are const pointers now,
10385 to avoid GCC warning.
10386 (Duplicated user destructor for lookahead): New test. Currently
10387 skipped. It fails on my host but I'm not sure it'll always fail.
10388
10389 2005-09-16 Akim Demaille <akim@epita.fr>
10390
10391 * src/symtab.h (struct symbol): Declare the printer and destructor
10392 as const, to avoid accidental calls to free.
10393 (symbol_destructor_set, symbol_printer_set): Adjust.
10394 * src/symtab.c: Adjust.
10395
10396 2005-09-16 Akim Demaille <akim@epita.fr>
10397
10398 * data/c.m4 (b4_token_enums): New.
10399 (b4_token_defines): Rename as...
10400 (b4_token_enums_defines): this.
10401 (b4_token_defines): New, output only the #defines.
10402 * data/yacc.c, data/glr.c: Adjust.
10403 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
10404 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
10405 as default values.
10406
10407 2005-09-16 Akim Demaille <akim@epita.fr>
10408
10409 * data/lalr1.cc (yylex_): Remove, inline its code.
10410 (yyreport_syntax_error_): Remove, replaced by...
10411 (yysyntax_error_): this which returns a string and leaves to the
10412 caller the call to the users' error function.
10413 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
10414 Move from members of the parser object...
10415 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
10416 to local variables of the parse function.
10417
10418 2005-09-16 Akim Demaille <akim@epita.fr>
10419
10420 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
10421 since it's in Bison's name space.
10422
10423 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
10424
10425 * data/glr.c (yyresolveValue): Add default case to pacify
10426 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
10427
10428 * NEWS: Document when yyparse started to return 2.
10429 * doc/bison.texinfo (Parser Function): Document when yyparse
10430 returns 2.
10431
10432 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
10433 (b4_filename_type): Renamed back from b4_file_name_type. All uses
10434 changed.
10435 (class position): file_name -> filename (reverting). All uses changed.
10436
10437 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
10438
10439 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
10440 do anything if $@ exists. This reverts part of the 2005-07-07
10441 patch.
10442
10443 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
10444
10445 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
10446 contains obsolete information and isn't worth distributing as a
10447 separate file anyway.
10448 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
10449 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
10450 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
10451 (yyparse): Abort if user code uses longjmp to throw an unexpected
10452 value.
10453
10454 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
10455
10456 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
10457 Suggested by twlevo@xs4all.nl.
10458
10459 * data/glr.c (YYCHK1): Do not assume YYE is in range.
10460 This avoids a diagnostic from gcc -Wswitch-enum.
10461 Problem reported by twlevo@xs4all.nl.
10462
10463 * doc/bison.texinfo: Don't use "filename", as per GNU coding
10464 standards. Use "file name" or "file" or "name", depending on
10465 the context.
10466 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
10467 not to hack/foo.tab.c.
10468 (Calc++ Top Level): 2nd arg of main is not const.
10469 * data/glr.c: b4_filename -> b4_file_name.
10470 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
10471 All uses changed.
10472 (class position): filename -> file_name. All uses changed.
10473 * data/yacc.c: b4_filename -> b4_file_name.
10474 * lib/bitset.h: filename -> file_name in local vars.
10475 * lib/bitset_stats.c: Likewise.
10476 * src/files.c: Likewise.
10477 * src/scan-skel.l ("@output ".*\n): Likewise.
10478 * src/files.c (file_name_split): Renamed from filename_split.
10479 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
10480
10481 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
10482
10483 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
10484 to accommodate latest gnulib.
10485
10486 * tests/glr-regression.at (Duplicate representation of merged trees):
10487 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
10488
10489 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
10490 needed.
10491
10492 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
10493
10494 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
10495 All uses changed. Invoke user destructor after an error during a
10496 split parse (trivial change from Joel E. Denny).
10497
10498 * tests/glr-regression.at
10499 (User destructor after an error during a split parse): New test case.
10500 Problem reported by Joel E. Denny in:
10501 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
10502
10503 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
10504
10505 * README-cvs: Give URLs for recommended tools.
10506 Mention Gzip version problem, and bootstrapping issues.
10507 Remove troubleshooting section, as it's somewhat obsolete.
10508
10509 * bootstrap (no_cache): New var, to accommodate different wget
10510 variants. Use it instead of '-C off'. Problem reported by
10511 twlevo@xs4all.nl.
10512
10513 * data/glr.c (yydestroyStackItem): New function.
10514 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
10515 debugging information. Problem reported by Joel E. Denny.
10516
10517 2005-08-25 Akim Demaille <akim@epita.fr>
10518
10519 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
10520
10521 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
10522
10523 * data/glr.c (yyrecoverSyntaxError, yyreturn):
10524 Don't invoke destructor on unresolved entries.
10525 * tests/glr-regression.at
10526 (User destructor for unresolved GLR semantic value): New test case.
10527 Problem reported by Joel E. Denny in:
10528 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
10529
10530 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
10531
10532 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
10533 Add strnlen.c.
10534 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
10535 lib-prefix.m4, po.m4.
10536
10537 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
10538 in yydestruct diagnostic, since it might not be an error.
10539 Problem reported by Joel Denny near end of
10540 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
10541 * data/lalr1.cc (yyerturn): Likewise.
10542 * data/yacc.c (yyreturn): Likewise.
10543 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
10544
10545 * src/files.c: Remove obsolete FIXME comment.
10546
10547 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
10548 with the other templates, and to fix bogus run-on messages such
10549 as the one reported at the end of
10550 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
10551 All callers changed to avoid the newline.
10552 (yyprocessOneStack): Output two lines rather than one, to accommodate
10553 the above change. This changes the debug output format slightly.
10554
10555 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
10556 reported by Joel E. Denny in
10557 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
10558 (trivial change).
10559 * tests/glr-regression.at (Duplicate representation of merged trees):
10560 New test, from Joel E. Denny in:
10561 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
10562 * THANKS: Add Joel E. Denny.
10563
10564 * configure.ac (AC_INIT): Bump to 2.0c.
10565
10566 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
10567
10568 * NEWS: Version 2.0b.
10569
10570 * Makefile.am (SUBDIRS): Put examples before tests, so that
10571 "make check" doesn't finish with "All 1 tests passed".
10572
10573 * tests/regression.at (Token definitions): Don't rely on
10574 AT_PARSER_CHECK for data that contains backslashes. It currently
10575 uses 'echo', and 'echo' isn't portable if its argument contains
10576 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
10577 that the byte '\0xff' is not printable in the C locale; it is,
10578 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
10579 not printable, so use '\0x81' to test.
10580
10581 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
10582 version of GCC, since the macro is used with non-GCC compilers.
10583
10584 Fix core dump reported by Pablo De Napoli in
10585 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
10586 * tests/regression.at (Invalid inputs with {}): New test.
10587 * src/parse-gram.y (token_name): Translate type before using
10588 it as an index.
10589
10590 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
10591 the user's name space. All uses changed to __attribute__
10592 ((__unused__)).
10593 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
10594 Add __attribute__ ((__noreturn__)).
10595
10596 * etc/clcommit: Remove. We weren't using it, and it failed
10597 "make maintainer-distcheck".
10598 * Makefile.maint: Merge from coreutils.
10599 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
10600 (syntax-check-rules): Change list of rules as described below.
10601 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
10602 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
10603 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
10604 (sc_trailing_space): New rules.
10605 (sc_xalloc_h_in_src): Remove.
10606 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
10607 (sc_space_tab, sc_error_exit_success, sc_changelog):
10608 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
10609 (makefile-check, po-check, author_mark_check):
10610 (makefile_path_separator_check, copyright-check):
10611 Use grep -n, to make it easier to find violations.
10612 Use CVS_LIST and CVS_LIST_EXCEPT.
10613 (header_regexp, h_re): Remove.
10614 (dd_c): New macro.
10615 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
10616 (my-distcheck): Use more-modern GCC flags.
10617 (signatures, %.asc): Remove.
10618 (rel-files, announcement): Remove signatures.
10619 Restore old updating code, even though we don't use it, so
10620 that we're the same as coreutils.
10621 (alpha, beta, major): Depend on news-date-check.
10622 Make the upload commands.
10623
10624 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
10625 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
10626 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
10627 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
10628 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
10629 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
10630 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
10631 * tests/sets.at: Likewise.
10632
10633 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
10634 we comment out the Autoconf version number.
10635 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
10636 it's error-prone and "make maintainer-distcheck" rejects it.
10637
10638 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
10639 Indent calls to "error" to pacify "make maintainer-distcheck",
10640 when the calls are not intended to be translated.
10641 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
10642
10643 * src/Makefile.am (DEFS): Use +=, to pacify
10644 "make maintainer-distcheck".
10645 (bison_SOURCES): Add scan-skel.h.
10646 (sc_tight_scope): New rule, from coreutils.
10647
10648 * src/files.c (src_extension, header_extension):
10649 Now static, not extern.
10650 * src/getargs.c (short_options): Likewise.
10651 * src/muscle_tab.c (muscle_table): Likewise.
10652 * src/parse-gram.y (current_class, current_type, current_prec):
10653 Likewise.
10654 * src/reader.c (grammar_end, previous_rule_end): Likewise.
10655 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
10656 * src/main.c (main): Cast bindtextdomain and textdomain calls to
10657 void, to avoid warning when NLS is disabled.
10658 * src/output.c: Include scan-skel.h.
10659 (scan_skel): Remove decl, since scan-skel.h does this.
10660 (output_skeleton):
10661 Indent calls to "error" to pacify "make maintainer-distcheck".
10662 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
10663 * src/reader.h (gram_end, gram_lineno): New decls to pacify
10664 "make maintainer-distcheck".
10665 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
10666 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
10667 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
10668 (skel_lex_destroy, scan_skel): Move these decls to...
10669 * src/scan-skel.h: New file.
10670 * src/uniqstr.c (uniqstr_assert):
10671 Indent calls to "error" to pacify "make maintainer-distcheck".
10672
10673 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
10674 not @VAR@.
10675
10676 * tests/torture.at: Revamp to avoid misuse of atoi that
10677 "make maintainer-distcheck" complained about.
10678
10679 * examples/extexi (message): Don't print a message more than once,
10680 and omit line-number decoration that makes Emacs compile think
10681 that informative messages are worth worrying about.
10682
10683 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
10684
10685 * configure.ac: Update version number.
10686
10687 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
10688 accidentally.
10689 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
10690 autogenerated by the maintainer.
10691 * examples/calc++/.cvsignore: Add *.yy.
10692
10693 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
10694 * lib/bitset_stats.c (bitset_stats_init): Likewise.
10695 * lib/bitsetv.c (bitsetv_alloc): Likewise.
10696
10697 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
10698
10699 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
10700 from maintainer-distcheck about casting the argument of 'free'.
10701
10702 * NEWS: Mention recent yytname changes.
10703 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
10704
10705 * bootstrap: For translations that have not yet been upgraded to
10706 the new runtime-po domain, prime the pump by extracting the
10707 relevant strings from the obsolete translations. This code can be
10708 removed once the bison-runtime domain has been translated by each
10709 team.
10710
10711 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
10712 now that token names are already quoted.
10713
10714 Fix problem reported by Anthony Heading.
10715 * data/glr.c (YYTOKEN_TABLE): New macro.
10716 (yytname): Define if YYTOKEN_TABLE.
10717 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
10718 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
10719 (YYERROR_VERBOSE): Define the same way the other skeletons do.
10720 * src/output.c (prepare_symbols): Output token_table_flag.
10721
10722 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
10723
10724 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
10725 again if the first call fails.
10726
10727 * data/glr.c (yytnamerr): New function.
10728 (yyreportSyntaxError): Use it to dequote most string literals.
10729 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
10730 with other skeletons. All uses changed.
10731 (yytnameerr_): New function.
10732 (yyreport_syntax_error): Use it to dequote most string literals.
10733 * data/yacc.c (yytnamerr): New function.
10734 (yyerrlab): Use it to decode most string literals.
10735 * doc/bison.texinfo (Decl Summary, Calling Convention):
10736 Clarify quoting convention of yytname.
10737 * src/output.c (prepare_symbols): Quote all names. This undoes
10738 the 2005-04-17 change, which is now accomplished (mostly) via
10739 changes in the parsers as described above.
10740 * tests/regression.at (Token definitions, Web2c Actions):
10741 Undo most 2005-04-17 change here, too.
10742
10743 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
10744
10745 Fix more problems reported by twlevo@xs4all.nl.
10746 * tests/cxx-type.at: Don't pipe output of ./types through sed to
10747 remove trailing spaces. This loses the exit status of ./types,
10748 and isn't needed since ./types shouldn't be emitting trailing
10749 spaces.
10750 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
10751 as the stack isn't valid in that case.
10752
10753 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
10754 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
10755 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
10756 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
10757 is used.
10758 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
10759 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
10760 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
10761 Likewise.
10762
10763 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
10764 overly-picky compilers that reject 'char *foo = "bar";'.
10765
10766 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
10767 to FILE * parameter, not to stderr. This fixes a typo introduced
10768 in the 2005-07-12 change.
10769
10770 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
10771 warnings from GCC 4.
10772
10773 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
10774 (yyglrShiftDefer, yysplitStack):
10775 Remove unused parameters b4_pure_formals. All uses changed.
10776 (yyglrShift): Remove unused parameters b4_user_formals.
10777 All uses changed.
10778 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
10779
10780 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
10781
10782 Destructor cleanups and regularization among the three skeletons.
10783 * NEWS: Document the behavior changes.
10784 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
10785 stack before failing, as the cleanup code will do it for us now.
10786 * data/lalr1.cc (yyerrlab): Likewise.
10787 * data/glr.c (yyparse): Pop everything off the stack before
10788 freeing it, so that destructors get called properly.
10789 * data/lalr1.cc (yyreturn): Likewise.
10790 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
10791 This is more consistent.
10792 * doc/bison.texinfo (Destructor Decl): Mention more reasons
10793 why destructors might be called. 1.875 -> 2.1.
10794 (Destructor Decl, Decl Summary, Table of Symbols):
10795 Some English-language cleanups for %destructor.
10796 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10797 Add output line for destructor of start symbol.
10798 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
10799 because of that same extra output line.
10800
10801 * NEWS: Document minor wording changes in diagnostics of
10802 Bison-generated parsers.
10803 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
10804 Remove unused formals. All uses changed.
10805 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
10806 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
10807 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
10808 Rename yyoverflowab to yyexhaustedlab.
10809 When memory exhaustion occurs during syntax-error reporting,
10810 report it separately rather than in a single diagnostic; this
10811 eases translation.
10812 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
10813 (Memory Exhausted): Renamed from Parser Stack Overflow.
10814 Revamp wording slightly to prefer "memory exhaustion".
10815 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
10816
10817 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
10818
10819 Add i18n support to the GLR skeleton. Partially fix the C++
10820 skeleton; a C++ expert needs to finish this. Remove debugging
10821 msgids; there's little point to having them translated, since they
10822 can be understood only by someone who can read the
10823 (English-language) source code.
10824
10825 Generate runtime-po/bison-runtime.pot automatically, so that we
10826 don't have to worry about garbage getting in that file. We'll
10827 make sure after the next official release that old msgids don't
10828 get lost. See
10829 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
10830
10831 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
10832 Now auto-generated.
10833 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
10834 Fix typos in explanations of the runtime file.
10835 * bootstrap: Change gettext keyword from YYI18N to YY_.
10836 Use standard Makefile.in.in in runtime-po, since we'll arrange
10837 for backward-compatible bison-runtime.po files in a different way.
10838 * data/glr.c (YY_): New macro, from yacc.c.
10839 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
10840 Translate messages intended for users.
10841 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
10842 the wording in the other skeletons. We don't know that the memory
10843 is virtual.
10844 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
10845 Use same method that yacc.c uses.
10846 Don't translate debugging messages.
10847 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
10848 it doesn't work (yet), and requires C++ expertise to fix.
10849 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
10850 Move defn to a more logical place, to be consistent with other
10851 skeletons.
10852 Don't translate debugging messages.
10853 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
10854 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
10855 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
10856 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
10857
10858 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
10859 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
10860 void, not int.
10861 * tests/glr-regression.at (Badly Collapsed GLR States):
10862 Likewise.
10863 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10864 yylex should return 0 at EOF rather than aborting.
10865
10866 Improve tests for stack overflow in GLR parser.
10867 Problem reported by twlevo@xs4all.nl.
10868 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
10869 All uses removed.
10870 (yyStackOverflow): Just longjmp, but with value 2 so that caller
10871 can handle the problem.
10872 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
10873 (yyparse): New local variable yyresult to record the result.
10874 Use result of setjmp to set it, rather than storing itinto
10875 struct.
10876 (yyDone): Remove label.
10877 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
10878 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
10879 if YYABORT is used).
10880 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
10881 yyparse status; put status > 1 into diagnostic.
10882 Check that status==2 works.
10883 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
10884 Use exit status 3 for failure to open (which shouldn't happen).
10885
10886 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
10887
10888 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
10889 1 on syntax error; just let yyparse do its thing.
10890 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
10891 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
10892 (Exploding the Stack Size with Alloca):
10893 (Exploding the Stack Size with Malloc):
10894 Expect exit status 2, not 1, since the parser is supposed to blow
10895 its stack. Problem reported by twlevo@xs4all.nl.
10896
10897 * data/glr.c (yyparse): Don't assume that the initial calls
10898 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
10899 Print a stack-overflow message and fail instead.
10900 Initialize the line-number information before creating the stack,
10901 so that the stack-overflow message can report line zero safely.
10902
10903 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
10904
10905 Fix problems reported by twlevo@xs4all.nl.
10906 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
10907 (yyuserMerge): Provide a default case if b4_mergers is empty.
10908 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
10909 * tests/glr-regression.at
10910 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10911 Add casts to pacify C++ compilers.
10912 * tests/glr-regression.at (Improper merging of GLR delayed action
10913 sets): Declare yylex before using it.
10914 * tests/Makefile.am (maintainer-check-g++): Fix a stray
10915 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
10916 test for valgrind; valgrind is independent of g++.
10917 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
10918 for compatibility with POSIX 1003.1-2001 (if running coreutils).
10919 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
10920 Use a destructor, so that we can expand the stack. Change
10921 YYSTYPE to char * so that we can free it. Cast result of malloc.
10922
10923 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10924
10925 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
10926 a valgrind failure. Problem reported by twlevo@xs4all.nl.
10927
10928 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
10929
10930 * PACKAGING: New file, suggested by Bruno Haible and taken from
10931 similar wording in gettext's PACKAGING file.
10932 * NEWS: Mention PACKAGING.
10933 * Makefile.am (EXTRA_DIST): Add PACKAGING.
10934
10935 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
10936
10937 * NEWS: Document recent i18n improvements.
10938 * bootstrap: Get runtime translations into runtime-po.
10939 Create runtime-po files automatically, if possible.
10940 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
10941 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
10942 does not infringe on the user's name space.
10943 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
10944 * doc/bison.texinfo (Internationalization): Revamp the English
10945 and Texinfo syntax a bit, to try to make it clearer.
10946 (Bison Options, Option Cross Key): Mention --print-localedir.
10947 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
10948 YYENABLE_NLS. Quote a bit more.
10949 * runtime-po/.cvsignore: New file.
10950 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
10951 * runtime-po/Rules-quot: Remove; now created by bootstrap.
10952 * runtime-po/quot.sed: Likewise.
10953 * runtime-po/boldquot.sed: Likewise.
10954 * runtime-po/en@quot.header: Likewise.
10955 * runtime-po/en@boldquot.header: Likewise.
10956 * runtime-po/insert-header.sin: Likewise.
10957 * runtime-po/remove-potcdate.sin: Likewise.
10958 * runtime-po/Makevars: Likewise.
10959 * runtime-po/LINGUAS: Likewise.
10960 * runtime-po/de.po: Likewise; we will rely on the translation project
10961 to maintain this, so "bootstrap" should get it.
10962 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
10963 its value.
10964 * src/main.c (main): Bind the bison-runtime domain, too.
10965
10966 2005-07-12 Bruno Haible <bruno@clisp.org>
10967
10968 * data/yacc.c: Include <libintl.h> when NLS is enabled.
10969 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
10970 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
10971 * runtime-po: New directory.
10972 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
10973 $(DOMAIN).pot-update rule, so that old messages are never dropped.
10974 * runtime-po/Rules-quot: New file, copied from po/.
10975 * runtime-po/quot.sed: Likewise.
10976 * runtime-po/boldquot.sed: Likewise.
10977 * runtime-po/en@quot.header: Likewise.
10978 * runtime-po/en@boldquot.header: Likewise.
10979 * runtime-po/insert-header.sin: Likewise.
10980 * runtime-po/remove-potcdate.sin: Likewise.
10981 * runtime-po/Makevars: New file.
10982 * runtime-po/POTFILES.in: New file.
10983 * runtime-po/LINGUAS: New file.
10984 * runtime-po/bison-runtime.pot: New file.
10985 * runtime-po/de.po: New file.
10986 * m4/bison.m4: New file.
10987 * Makefile.am (SUBDIRS): Add runtime-po.
10988 (aclocaldir, aclocal_DATA): New variables.
10989 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
10990 Define aclocaldir.
10991 * src/getargs.c (usage): Document --print-localedir option.
10992 (PRINT_LOCALEDIR_OPTION): New enum item.
10993 (long_options): Add --print-localedir option.
10994 (getargs): Handle --print-localedir option.
10995 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
10996 (Internationalization): New section.
10997
10998 2005-07-12 Akim Demaille <akim@epita.fr>
10999
11000 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
11001 for consistency with the rest of the code.
11002 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
11003 Add separators.
11004
11005 2005-07-12 Akim Demaille <akim@epita.fr>
11006
11007 * src/parse-gram.y: Use %printer instead of YYPRINT.
11008
11009 2005-07-12 Akim Demaille <akim@epita.fr>
11010
11011 * src/symtab.h, src/symtab.c (symbol_print): New.
11012 * src/symlist.h, src/symlist.c (symbol_list_print): New.
11013 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
11014
11015 2005-07-12 Akim Demaille <akim@epita.fr>
11016
11017 * data/glr.c (b4_syncline): Fix (swap) the definitions of
11018 b4_at_dollar and b4_dollar_dollar.
11019
11020 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
11021
11022 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
11023 and Pennello's paper.
11024
11025 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
11026
11027 * data/yacc.c (yyparse): Undo previous patch. Instead,
11028 set yylsp[0] and yyvsp[0] only if the initial action
11029 sets yylloc and yylval, respectively.
11030
11031 * data/yacc.c (yyparse): In the initial action, set
11032 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
11033 This avoids the use of undefined variables if the initial
11034 action does not set yylloc and/or yylval.
11035
11036 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
11037
11038 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
11039 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
11040 Remove from CVS. These files are automatically generated.
11041 * examples/extexi: Clarify that this file is now part of Bison,
11042 not GNU M4, and that it works with any POSIX-compatible Awk.
11043 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
11044 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
11045 so that we also get calc++-parser.yy. Geneate it.
11046 Use $(AWK), not gawk, since any conforming Awk will do.
11047 Put comment before action, since older 'make' can't handle comment
11048 in action.
11049 $(BUILT_SOURCES): List all built sources, not just some of them.
11050 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
11051 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
11052 $($(calc_sources_generated)): Remove unnecessary test for existence
11053 of target. (This had a shell syntax error anyway; a stray "x".)
11054 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
11055 calc++-parser.yy.
11056 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
11057
11058 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
11059 implied by the other modules.
11060
11061 2005-07-06 Akim Demaille <akim@epita.fr>
11062
11063 Bind examples/calc++ to the package.
11064 * examples/calc++/Makefile: Remove, replaced by...
11065 * examples/calc++/Makefile.am: ... this new file.
11066 * examples/calc++/test: Remove input.
11067 * examples/calc++/compile: Remove.
11068 * examples/Makefile.am: New.
11069 * configure.ac, Makefile.am: Adjust.
11070 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
11071
11072 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
11073
11074 * data/glr.c (yyFail): Drastically simplify; since the format argument
11075 never had any % directives, we can simply pass it to yyerror.
11076 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
11077 be modified later, as that is the usual style in glr.c.
11078 Problems reported by Paul Hilfinger.
11079
11080 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
11081 and size overflow errors.
11082 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
11083 in case the user prolog sets feature-test macros like _GNU_SOURCE.
11084 (YYSIZEMAX): New macro.
11085 (yystpcpy): New function, taken from yacc.c.
11086 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
11087 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
11088 so that we don't have to maintain their signatures.
11089 (yyFail): Check for buffer overflow, by using vsnprintf rather
11090 than vsprintf. Allocate a bigger buffer if possible.
11091 Report an error if buffer allocation fails.
11092 (yyStackOverflow): New function.
11093 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
11094 the initialization was successful. It might fail if storage was
11095 exhausted.
11096 (yyexpandGLRStack): Add more checks for storage allocation failure.
11097 Use yyStackOverflow to report failures.
11098 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
11099 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
11100 Don't assume stack number fits in int.
11101 (yysplitStack): Check for storage allocation failure.
11102 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
11103 can print diagnostics on storage allocation failure. All callers
11104 changed.
11105 (yyresolveValue): Use yybool for boolean.
11106 (yyreportSyntaxError): Check for size-calculation overflow.
11107 This code is taken from yacc.c.
11108 (yyparse): Check for storage allocation errors when allocating
11109 the initial stack.
11110
11111 2005-07-05 Akim Demaille <akim@epita.fr>
11112
11113 Extract calc++ from the documentation.
11114 * doc/bison.texinfo (Calc++): Add the extraction marks.
11115 * examples/extexi: New, from the aborted GNU Programming 2E.
11116 Separate the different paragraph of a file with empty lines.
11117 * examples/Makefile: Use it to extract the whole calc++ example.
11118
11119 2005-06-24 Akim Demaille <akim@epita.fr>
11120
11121 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
11122 class typedefs.
11123
11124 2005-06-22 Akim Demaille <akim@epita.fr>
11125
11126 * doc/bison.texinfo (C++ Language Interface): First stab.
11127 (C++ Parsers): Remove.
11128
11129 2005-06-22 Akim Demaille <akim@epita.fr>
11130
11131 * data/lalr1.cc (yylex_): Honor %lex-param.
11132
11133 2005-06-22 Akim Demaille <akim@epita.fr>
11134
11135 Start a set of simple examples.
11136 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
11137 * examples/calc++/calc++-driver.hh,
11138 * examples/calc++/calc++-parser.yy,
11139 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
11140 * examples/calc++/compile, examples/calc++/test: New.
11141
11142 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
11143
11144 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
11145 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
11146 which stems from the 2005-05-27 patch.
11147
11148 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11149
11150 * data/glr.c: Modify treatment of unused parameters to permit use
11151 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
11152
11153 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
11154
11155 Fix infringement on user name space reported by Janos Zoltan Szabo.
11156 * data/yacc.c (yyparse): strlen -> yystrlen.
11157
11158 2005-05-30 Akim Demaille <akim@epita.fr>
11159
11160 * data/lalr1.cc (_): New.
11161 Translate the various messages.
11162
11163 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
11164
11165 Fix infringement on user name space reported by Bruno Haible.
11166 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
11167 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
11168 the user's name space.
11169 (alloca): Include <stdlib.h> to get it, if it's not built in.
11170 (YYMALLOC, YYFREE): Define only if needed.
11171 (malloc, free): Declare, but only if needed, as this infringes on
11172 the user name space.
11173
11174 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
11175
11176 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
11177 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
11178 with %d format.
11179 * lib/ebitset.c (min, max): Undef before defining.
11180 * lib/vbitset.c (min, max): Likewise.
11181 * lib/subpipe.c (create_subpipe): Save local variables in case
11182 vfork clobbers them.
11183
11184 2005-05-24 Bruno Haible <bruno@clisp.org>
11185
11186 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
11187 error message syntax used by gcc-4.0.
11188
11189 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
11190
11191 * README: Mention m4 1.4.3. Remove obsolete advice about
11192 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
11193
11194 * bootstrap: Remove workaround for problem I encountered with
11195 gettext 0.14.1; it seems to be fixed now.
11196
11197 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
11198
11199 * NEWS: Version 2.0a.
11200
11201 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
11202 the previous change.
11203
11204 Various maintainer cleanups.
11205 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
11206 conftest*, for benefit of CVS commands run at the same time as
11207 "configure". Add build-aux, since "bootstrap" now creates it and
11208 its subfiles.
11209 * Makefile.cfg (move_if_change): Remove.
11210 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
11211 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
11212 (po_repo, do-po-update, po-update, wget_files, get-targets):
11213 (config.guess-url_prefix, config.sub-url_prefix):
11214 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
11215 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
11216 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
11217 Remove.
11218 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
11219 this is now the recommended name.
11220 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
11221 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
11222 ylwrap. These files now go into build-aux.
11223 * config/move-if-change: Remove.
11224 * config/prev-version.txt: Bump from 1.75 to 2.0.
11225
11226 * bootstrap: Add stdio-safer, unistd-safer modules.
11227 Remove m4/glibc2.m4 (introduced by latest gnulib, but
11228 we don't need it).
11229 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
11230 fopen-safer.c, stdio-safer.h, unistd-safer.h.
11231 * lib/subpipe.c: Include "unistd-safer.h".
11232 (create_subpipe): Make sure all the newly-created
11233 file descriptors are > 2, so that diagnostics don't
11234 get sent down them (which might cause Bison to hang, in theory).
11235 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
11236 * src/files.c (xfopen): Use fopen_safer, not fopen.
11237
11238 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
11239 yesterday's yacc.c fix.
11240
11241 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
11242
11243 * data/glr.c, data/lalr1.cc: Update copyright date.
11244
11245 Fix a destructor bug reported by Wolfgang Spraul in
11246 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
11247 * data/yacc.c (yyabortlab): Don't call destructor, and
11248 don't set yychar to EMPTY.
11249 (yyoverflowlab): Don't call destructor.
11250 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
11251 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
11252 since we no longer output the message "discarding lookahead token
11253 end of input ()".
11254
11255 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11256
11257 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
11258 fix a small glitch in debugging output.
11259 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
11260 after YY_SYMBOL_PRINT where needed.
11261
11262 (struct yyGLRState): Add some comments.
11263 (struct yySemanticOption): Add some comments.
11264 (union yyGLRStackItem): Add comment.
11265
11266 (yymergeOptionSets): Correct this to properly perform the union,
11267 avoiding infinite reported by Michael Rosien.
11268 Update comment.
11269
11270 * tests/glr-regression.at: Add test for GLR merging error reported
11271 by M. Rosien.
11272
11273 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
11274
11275 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
11276 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
11277 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
11278 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
11279 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
11280 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
11281 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
11282 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
11283 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
11284 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
11285 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
11286 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
11287 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
11288 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
11289 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
11290 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
11291 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
11292 src/derives.h, src/files.c, src/files.h, src/getargs.c,
11293 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
11294 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
11295 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
11296 src/output.h, src/parse-gram.c, src/parse-gram.h,
11297 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
11298 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
11299 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
11300 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
11301 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
11302 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
11303 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
11304 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
11305 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
11306 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
11307 tests/reduce.at, tests/regression.at, tests/sets.at,
11308 tests/synclines.at, tests/testsuite.at, tests/torture.at:
11309 Update FSF postal mail address.
11310
11311 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
11312
11313 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
11314 Problem reported by Ralf Menzel.
11315
11316 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
11317
11318 * tests/actions.at: Test that stack overflow invokes destructors.
11319 From Marcus Holland-Moritz.
11320 * data/yacc.c (yyerrlab): Move the code that destroys the stack
11321 from here....
11322 (yyreturn): to here. That way, destructors are called properly
11323 even if the stack overflows, or the user calls YYACCEPT or
11324 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
11325 (yyoverflowlab): Destroy the lookahead.
11326
11327 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
11328
11329 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
11330
11331 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
11332
11333 * NEWS: Bison-generated C parsers no longer quote literal strings
11334 associated with tokens.
11335 * src/output.c (prepare_symbols): Don't escape strings,
11336 since users don't want to see C escapes.
11337 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
11338 in diagnostics.
11339 * tests/input.at (Torturing the Scanner): Likewise.
11340 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
11341
11342 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
11343
11344 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
11345 the data size is known to be too small and we can't increase it.
11346 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
11347
11348 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
11349
11350 * src/parse-gram.y: Include quotearg.h.
11351 (string_as_id): Quote $1 before using it as a key, since the
11352 lexer no longer quotes it for us.
11353 (string_content): Don't strip quotes, since lexer no longer
11354 quotes it for us.
11355 * src/scan-gram.l: Include quotearg.h.
11356 ("\""): Omit quote.
11357 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
11358 a key, since the rest of the lexer doesn't quote it.
11359 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
11360 * tests/regression.at (Token definitions): Check for backslashes
11361 in token strings.
11362
11363 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
11364 (YYSIZE_T): Define to unsigned long int when using an older compiler.
11365 (yyparse): Revamp code to generate long syntax error message, to
11366 make it easier to translate, and to avoid problems with arithmetic
11367 overflow. Change "virtual memory" to "memory" in diagnostic, since
11368 we don't know whether the memory is virtual.
11369
11370 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
11371
11372 * NEWS: Bison-generated C parsers now use the _ macro to
11373 translate strings.
11374 * data/yacc.c (_) [!defined _]: New macro.
11375 All English strings wrapped inside this macro.
11376 * doc/bison.texinfo (Bison Parser): Document _.
11377 * po/POTFILES.in: Include src/parse-gram.c, since it now
11378 includes translateable strings that parse-gram.y doesn't.
11379
11380 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
11381
11382 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
11383 reverting the 2004-10-11 change to this function.
11384 (symbol_check_alias_consistency): Don't call symbol_type_set
11385 if the type name is already correct.
11386 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
11387
11388 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
11389
11390 * tests/regression.at (Token definitions): Don't use a token named
11391 c, as that generates a "#define c ..." that runs afoul of buggy
11392 stdlib.h that uses the identifier c as a member of struct
11393 drand48_data. Problem reported by Horst Wente.
11394
11395 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
11396
11397 * bootstrap: Change translation URL from
11398 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
11399 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
11400 redirection glitches. Problem reported by twlevo@xs4all.nl.
11401
11402 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
11403
11404 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
11405 after operands; POSIX says this isn't portable for the c99 command.
11406
11407 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
11408
11409 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
11410 immediately if a data overrun has occurred; this may help us track
11411 down what may be a spurious failure on MacOS.
11412
11413 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
11414
11415 Respond to problems reported by twlevo@xs4all.nl.
11416
11417 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
11418
11419 * src/vcg.h: Comment fix.
11420 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
11421 (G_CMAX): Change to -1 instead of INT_MAX.
11422
11423 * data/yacc.c (yyparse): Omit spaces before #line.
11424
11425 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
11426
11427 * src/tables.c (state_number_to_vector_number): Put it inside an
11428 "#if 0", since it's not currently used. Problem reported by
11429 Roland McGrath.
11430
11431 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
11432
11433 * src/output.c (escaped_output): Renamed from
11434 escaped_file_name_output, since we now use it for symbol tags as
11435 well. All uses changed.
11436 (symbol_destructors_output, symbol_printers_output):
11437 Escape symbol tags too.
11438 Problem reported by Matyas Forstner in
11439 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
11440
11441 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
11442 not needed.
11443 * src/output.c (user_actions_output, token_definitions_output,
11444 symbol_destructors_output, symbol_printers_output): Likewise.
11445 * src/reader.c (prologue_augment): Likewise.
11446 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
11447
11448 * src/vcg.c (output_edge): Don't quote linestyle arg.
11449 Problem reported by twlevo@xs4all.nl.
11450
11451 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
11452
11453 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
11454 example, reported by Derek M Jones. Also, make the example even
11455 more outrageous, to better illustrate how bad the problem is.
11456
11457 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
11458
11459 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
11460 putsym. Typo reported by Sebastian Piping.
11461
11462 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
11463
11464 * doc/bison.texinfo (Language and Grammar): some -> same
11465 (Epilogue): int he -> in the
11466 Typos reported by Sebastian Piping via Justin Pence.
11467
11468 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
11469
11470 * tests/glr-regression.at (Improper handling of embedded actions
11471 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
11472 embedded actions and $-N in GLR parsers", work around an Autoconf bug
11473 with dollar signs in test names.
11474 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
11475 for a similar reason.
11476
11477 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
11478
11479 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
11480 wants to redefine G_VIEW.
11481
11482 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
11483
11484 * src/vcg.c (get_view_str): Remove case for normal_view.
11485 Problem reported by twlevo@xs4all.nl.
11486
11487 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
11488
11489 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
11490 Problem reported by twlevo@xs4all.nl.
11491
11492 * doc/bison.texinfo: Change @dircategory from "GNU programming
11493 tools" to "Software development". Requested by Richard Stallman
11494 via Karl Berry.
11495
11496 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
11497
11498 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
11499 Problem reported by twlevo@xs4all.nl.
11500
11501 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
11502
11503 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
11504 keyword; it's not needed with modern compilers, and it doesn't
11505 affect correctness with older compilers. Suggested by
11506 twlevo@xs4all.nl.
11507
11508 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
11509
11510 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
11511 gcc -Wswitch-default.
11512 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
11513 * data/yacc.c (yyparse): Likewise.
11514
11515 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
11516
11517 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
11518 already. Let config.h define any nonstandard values.
11519
11520 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
11521
11522 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
11523 for the benefit of slower hosts. Problem reported by
11524 Nelson H. F. Beebe.
11525
11526 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
11527
11528 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
11529 being defined and not used.
11530 * data/lalr1.cc (yyparse): Likewise.
11531 Use "if (false)" rather than "if (0)".
11532
11533 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
11534
11535 * TODO: Mention that we should allow NUL bytes in tokens.
11536
11537 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
11538
11539 * src/scan-skel.l (<<EOF>>): Don't close standard output.
11540 Problem reported by Hans Aberg.
11541
11542 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
11543
11544 * src/getargs.c (version): Happy new year; update overall
11545 program copyright date from 2004 to 2005.
11546
11547 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
11548 Problem reported by Hans Aberg.
11549 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
11550 (Output file names.): Add a test for the case when standard output
11551 is closed.
11552
11553 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
11554
11555 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
11556 to fix an oversight in the Bison 2.0 manual.
11557
11558 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
11559
11560 * NEWS: Version 2.0. Reformat the existing news items since
11561 1.875, so that related items are grouped together.
11562 * configure.ac (AC_INIT): Bump version to 2.0.
11563 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
11564
11565 * tests/torture.at (Exploding the Stack Size with Alloca): Set
11566 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
11567 otherwise, we're not testing alloca. Unfortunately there's no
11568 simple way to consult HAVE_ALLOCA here.
11569
11570 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
11571 for yymsg, too.
11572
11573 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
11574 hand. This avoids a warning about comparing int to size_t when
11575 GCC warnings are enabled.
11576
11577 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
11578
11579 * NEWS: Bison-generated parsers no longer default to using the
11580 alloca function (when available) to extend the parser stack, due
11581 to widespread problems in unchecked stack-overflow detection.
11582 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
11583 responsibility to set it to a positive value. This lets the user
11584 specify a value that is not a preprocessor constant.
11585 * data/yacc.c (YYMAXDEPTH): Likewise.
11586 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
11587 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
11588 to be a compile-time constant. However, explain the constraints on it.
11589 Also, explain the constraints on YYINITDEPTH.
11590 (Table of Symbols): Explain that alloca is no longer the default.
11591 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
11592 to 1.
11593
11594 * doc/bison.texinfo (Location Default Action): Mention that n must
11595 be zero when k is zero. Suggested by Frank Heckenbach.
11596
11597 2004-12-22 Akim Demaille <akim@epita.fr>
11598
11599 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
11600 (parser::state_type, parser::semantic_type, parser::location_type):
11601 Private, not public.
11602 (parser::parse): Return ints, not bool.
11603 Returning a bool introduces a problem: 0 corresponds to false, and
11604 it seems weird to return false on success. Returning true changes
11605 the conventions for yyparse.
11606 Alternatively we could return void and send an exception.
11607 There is no clear consensus (yet?).
11608 (state_stack, semantic_stack, location_stack): Rename as...
11609 (state_stack_type, semantic_stack_type, location_stack_type): these.
11610 Private, not public.
11611 * tests/c++.at: New.
11612 * tests/testsuite.at, tests/Makefile.am: Adjust.
11613
11614 2004-12-21 Akim Demaille <akim@epita.fr>
11615
11616 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
11617
11618 2004-12-21 Akim Demaille <akim@epita.fr>
11619
11620 Don't impose std::string for filenames.
11621
11622 * data/lalr1.cc (b4_filename_type): New.
11623 (position::filename): Use it.
11624 (parser.hh): Move the inclusion of stack.hh and location.hh below
11625 the user code, so that needed headers for the filename type can be
11626 included first.
11627 Forward declare them before the user code.
11628 * tests/Makefile.am (check-local, installcheck-local): Pass
11629 TESTSUITEFLAGS to the TESTSUITE.
11630
11631 2004-12-20 Akim Demaille <akim@epita.fr>
11632
11633 Use more STL like names: my_class instead of MyClass.
11634
11635 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
11636 (SemanticStack, SemanticType, StateStack, StateType)
11637 (TokenNumberType, Stack, Slice, Traits, Parser::location)
11638 (Parser::value): Rename as...
11639 (location_stack, location_type, rhs_number_type, semantic_stack)
11640 (semantic_type, state_stack, state_type, token_number_type, stack)
11641 (slice, traits, parser::yylloc, parser::yylval): these.
11642
11643 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
11644
11645 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
11646
11647 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
11648 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11649
11650 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
11651
11652 Remove uses of 'short int' and 'unsigned short int'. This raises
11653 some arbitrary limits. It uses more memory but nowadays that's
11654 not much of an issue.
11655
11656 This change does not affect the generated parsers; that's a different
11657 task, as some users will want to conserve memory there.
11658
11659 Ideally we should use size_t to represent all object counts, and
11660 something like ptrdiff_t to represent signed differences of object
11661 counts; but that will require more code-cleanup than I have the
11662 time to do right now.
11663
11664 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
11665 Use size_t, not int or short int, to count objects.
11666 * src/closure.c (nritemset, closure): Likewise.
11667 * src/closure.h (nritemset, closure): Likewise.
11668 * src/nullable.c (nullable_compute): Likewise.
11669 * src/print.c (print_core): Likewise.
11670 * src/print_graph.c (print_core): Likewise.
11671 * src/state.c (state_compare, state_hash): Likewise.
11672 * src/state.h (struct state): Likewise.
11673 * src/tables.c (default_goto, goto_actions): Likewise.
11674
11675 * src/gram.h (rule_number, rule): Use int, not short int.
11676 * src/output.c (prepare_rules): Likewise.
11677 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
11678 errs, reductions): Likewise.
11679 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
11680 Likewise.
11681 * src/tables.c (vector_number, tally, action_number,
11682 ACTION_NUMBER_MINIMUM): Likewise.
11683 * src/output.c (muscle_insert_short_int_table): Remove.
11684
11685 2004-12-17 Akim Demaille <akim@epita.fr>
11686
11687 * data/lalr1.cc: Extensive Doxygenation.
11688 (error_): Rename as...
11689 (error): this, since it is visible to the user.
11690 Adjust callers.
11691 (Parser::message): Now an automatic variable from...
11692 (Parser::yyreport_syntax_error_): here.
11693 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
11694 Parser::error.
11695 * tests/input.at: Escape $.
11696
11697 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
11698
11699 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
11700 Parenthesize rhs to avoid obscure problems with mistakes like
11701 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
11702 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
11703 b4_rhs_location): Likewise.
11704 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
11705 b4_rhs_location): Likewise.
11706
11707 2004-12-16 Akim Demaille <akim@epita.fr>
11708
11709 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
11710 yacc.c: be sure to stay within yycheck_.
11711 * tests/actions.at: Re-enable C++ tests.
11712
11713 2004-12-16 Akim Demaille <akim@epita.fr>
11714
11715 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
11716 real.
11717
11718 2004-12-16 Akim Demaille <akim@epita.fr>
11719
11720 Use #define to handle the %name-prefix.
11721
11722 * data/glr.c, data/yacc.c: Comment changes.
11723 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
11724 so that one can refer to yylex in the parser file, and have it
11725 renamed, as is the case with other skeletons.
11726
11727 2004-12-16 Akim Demaille <akim@epita.fr>
11728
11729 Move lalr1.cc internals into yy*.
11730
11731 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
11732 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
11733 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
11734 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
11735 (empty_, final_, terror_, errcode_, ntokens_)
11736 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
11737 (looka_, ilooka_, error_range_, nerrs_):
11738 Rename as...
11739 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
11740 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
11741 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
11742 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
11743 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
11744 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
11745 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
11746 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
11747 these.
11748
11749 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
11750
11751 Fix some problems reported by twlevo at xs4all.
11752 * src/symtab.c (symbol_new): Report an error if the input grammar
11753 contains too many symbols. This is better than calling abort() later.
11754 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
11755 (struct node, struct graph):
11756 Rename member expand to stretch. All uses changed.
11757 (struct graph): Remove member layoutalgorithm. All uses removed.
11758 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
11759 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
11760 All uses changed.
11761 (N_STRETCH): Rename from N_EXPAND. All uses changed.
11762
11763 2004-12-15 Akim Demaille <akim@epita.fr>
11764
11765 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
11766 Add more Doxygen comments.
11767 (symprint_, stack_print_, reduce_print_, destruct_, pop)
11768 (report_syntax_error_, translate_): Rename as...
11769 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
11770 (yypop_, yyreport_syntax_error_, yytranslate_): this.
11771
11772 2004-12-15 Akim Demaille <akim@epita.fr>
11773
11774 * data/lalr1.cc (lex_): Rename as...
11775 (yylex_): this.
11776 Move the trace here.
11777 Take the %name-prefix into account.
11778 Reported by Alexandre Duret-Lutz.
11779
11780 2004-12-15 Akim Demaille <akim@epita.fr>
11781
11782 Simplify the C++ parser constructor.
11783
11784 * data/lalr1.cc (debug_): Rename as...
11785 (yydebug_): so that the parser's internals are always in the yy*
11786 pseudo namespace.
11787 Adjust uses.
11788 (b4_parse_param_decl): Remove the leading comma as it is now only
11789 called as unique argument list.
11790 (Parser::Parser): Remove the constructor accepting a location and
11791 an initial debugging level.
11792 Remove from the other ctor the argument for the debugging level.
11793 (debug_level_type, debug_level, set_debug_level): New.
11794
11795 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
11796 constructor calls.
11797
11798 2004-12-15 Akim Demaille <akim@epita.fr>
11799
11800 Remove b4_root related material: failure experiment
11801 (which goal was to allow to derive from a class).
11802
11803 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
11804 definitions and uses.
11805
11806 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
11807
11808 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
11809 not 2, since it's not portable to subtract 1 from the start of an
11810 array. The new item 0 is never set or used. All uses changed.
11811
11812 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
11813 the default definition of YYLLOC_DEFAULT. Problem reported
11814 by Frank Heckenbach.
11815
11816 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
11817
11818 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
11819 the normal case and one for the error case. Just use the
11820 first one uniformly. Problem reported by Frank Heckenbach.
11821 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
11822 use exactly the same macro in both places.
11823 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
11824 so that the normal-case YYRHSLOC works for the error case too.
11825 All uses changed.
11826 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
11827 (YYLLOC_DEFAULT): Use the same macro as glr.c.
11828 * doc/bison.texinfo (Location Default Action): Don't claim that
11829 we have an array of locations. Use the same macro for both glr
11830 and lalr parsers. Mention YYRHSLOC. Mention what happens when
11831 the index is 0.
11832
11833 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
11834
11835 * HACKING: Update email addresses to send announcements to.
11836
11837 * configure.ac (AC_INIT): Bump version to 1.875f.
11838
11839 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
11840
11841 * NEWS: Version 1.875e.
11842 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
11843
11844 * src/scan-skel.l: Include "complain.h", for "fatal".
11845
11846 * src/relation.h (relation_print, relation_digraph):
11847 Relation sizes are of type relation_node, not size_t (this is
11848 merely a doc fix, since the two types are equivalent).
11849 (relation_transpose): Relation sizes are of type relation_node,
11850 not int.
11851 * src/relation.c: Likewise.
11852 (top, infinity): Now of type relation_node, not int.
11853 (traverse, relation_transpose): Use relation_node, not int.
11854
11855 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
11856 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
11857 (yyparse): Remove unused local introduced in 2004-10-25 patch.
11858
11859 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
11860 specifying whether the test should be skipped. Use it tp
11861 specify that the [%defines %skeleton "lalr1.cc"] tests currently
11862 fail on some hosts, and should be skipped.
11863
11864 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
11865
11866 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
11867 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
11868 unless otherwise specified below.
11869
11870 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
11871 to allocate kernel_base, kernel_items, kernel_size, since
11872 they needn't be initialized to 0.
11873 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
11874 * src/closure.c (new_closure): Likewise, for itemset.
11875 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
11876 * src/lalr.c (set_goto_map): Likewise, for temp_map.
11877 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
11878 (build_relations): Likewise for edge, states1, includes.
11879 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
11880 * src/reader.c (packgram): Likewise, for ritem, rules.
11881 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
11882 * src/relation.c (relation_digraph): Likewise for VERTICES.
11883 (relation_transpose): Likewise for new_R, end_R.
11884 * src/symtab.c (symbols_token_translations_init): Likewise for
11885 token_translations.
11886 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
11887 (token_actions): Likewise for yydefact, actrow, conflrow,
11888 conflict_list.
11889 (save_column): Likewise for froms[symno], tos[symno].
11890 (goto_actions): Likewise for state_count.
11891 (pack_table): Likewise for base, pos, check.
11892 (tables_generate): Likewise for width.
11893
11894 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
11895 for initial core. Just have a separate core, so we needn't worry
11896 about whether kernel_size and kernel_base are initialized.
11897
11898 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
11899 kernel_size, kernel_items): Remove unnecessary initialization.
11900 * src/conflicts.c (conflicts): Likewise.
11901 * src/derives.c (derives): Likewise.
11902 * src/muscle_tablc (muscle_insert): Likewise.
11903 * src/relation.c (relation_digraph): Likewise.
11904 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
11905 conflrow, conflict_table, conflict_list, table, check):
11906 Likewise.
11907
11908 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
11909 This is because all callers pass unsigned int.
11910 * src/closure.h (new_closure): Likewise.
11911
11912 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
11913 (build_relations): Initialize includes[i] in all cases.
11914 * src/reader.c (packgram): Always initialize rules[ruleno].prec
11915 and rules[ruleno].precsym. Initialize members in order.
11916 * src/relation.c (relation_transpose): Always initialize new_R[i]
11917 and end_R[i].
11918 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
11919
11920 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
11921 conflict_list[0] was always 0, but now it isn't initialized.
11922
11923 * src/table.c (table_grow): When conflict_table grew, the grown
11924 area wasn't cleared. Fix this.
11925
11926 * lib/.cvsignore: Add strdup.c, strdup.h.
11927 * m4/.cvsignore: Add strdup.m4.
11928
11929 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
11930
11931 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
11932 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
11933 GOTO_NUMBER_MAXIMUM, since we occasionally compute
11934 ngotos + 1 without checking for overflow.
11935 (build_relations): Use END_NODE, not -1, to denote end of edges.
11936 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
11937 build_relations): Use goto_number, not int, for goto numbers.
11938 * src/tables.c (save_column, default_goto): Likewise.
11939
11940 2004-11-23 Akim Demaille <akim@epita.fr>
11941
11942 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
11943 of #defining from yystype.
11944 Don't typedef yystype, C++ does not need it.
11945 This lets it possible to forward declare it as union.
11946
11947 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
11948
11949 * bootstrap (gnulib_modules): Add extensions.
11950 Problem reported by Jim Meyering.
11951
11952 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
11953
11954 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
11955 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
11956 src/system.h, src/tables.c: XFREE -> free, to accommodate
11957 recent change to gnulib xalloc.h.
11958 Problem reported by Jim Meyering.
11959
11960 2004-11-17 Akim Demaille <akim@epita.fr>
11961
11962 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
11963
11964 2004-11-17 Akim Demaille <akim@epita.fr>,
11965 Alexandre Duret-Lutz <adl@gnu.org>
11966
11967 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
11968 changes.
11969 (YYCDEBUG): Adjust.
11970 Use it instead of cdebug_.
11971 (Parser::debug_stream, Parser::set_debug_stream): New.
11972 (Parser::symprint_): Define cdebug_ for temporary backward
11973 compatibility.
11974 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
11975 debug_stream ().
11976
11977 2004-11-17 Akim Demaille <akim@epita.fr>
11978
11979 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
11980 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
11981 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
11982 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
11983
11984 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
11985
11986 * data/glr.c (yyloc_default): Remove; not used.
11987 Problem reported by Frank Heckenbach.
11988
11989 2004-10-25 Akim Demaille <akim@epita.fr>
11990
11991 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
11992 Introduce another definition to address simple location arrays.
11993 (yyGLRStack): New member: yyerror_range.
11994 (yyrecoverSyntaxError, yyparse): Update it.
11995 (yyrecoverSyntaxError): Use it when shifting the error token to
11996 have an accurate range, equivalent to the one computed by both
11997 yacc.c and lalr1.cc.
11998 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
11999 that column numbers start at column 0, as per GNU Coding
12000 Standards, the others tests, and the doc.
12001 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
12002 Adjust to the above change (first column is 0).
12003 And adjust the location of the "<error>", now covering the whole
12004 line.
12005
12006 2004-10-22 Akim Demaille <akim@epita.fr>
12007 and Paul Eggert <eggert@cs.ucla.edu>
12008
12009 Remove some arbitrary limits on goto numbers and relations.
12010 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
12011 initial values, since they're never used.
12012 (set_goto_map): ngotos is now unsigned, so test for overflow
12013 by seeing whether it wraps around to zero.
12014 * src/lalr.h (goto_number): Now size_t, not short int.
12015 (GOTO_NUMBER_MAXIMUM): Remove.
12016 * src/relation.c (relation_print, traverse, relation_transpose):
12017 Check for END_NODE rather than looking at sign.
12018 * src/relation.h (END_NODE): New macro.
12019 (relation_node): Now size_t, not short int.
12020
12021 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
12022
12023 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
12024 keyword, not an identifier. Problem reported by Baron Schwartz in
12025 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
12026
12027 2004-10-11 Akim Demaille <akim@epita.fr>
12028
12029 * src/symtab.c (symbol_check_alias_consistency): Also check
12030 type names, destructors, and printers.
12031 Reported by Alexandre Duret-Lutz.
12032 Recode the handling of associativity and precedence in terms
12033 of symbol_precedence_set.
12034 Accept no redeclaration at all, not even equal to the previous
12035 value.
12036 (redeclaration): New.
12037 Use it to factor redeclaration complaints.
12038 (symbol_make_alias): Don't set the type of the alias, let
12039 symbol_check_alias_consistency do it as for other features.
12040 * src/symtab.h (symbol): Add new member prec_location, and
12041 type_location.
12042 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
12043 * tests/input.at (Incompatible Aliases): New.
12044
12045 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
12046
12047 .cvsignore fixes to accommodate gnulib changes,
12048 and the practice of naming build directories "_build".
12049 * .cvsignore: Add "_*". Sort.
12050 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
12051 * m4/.cvsignore: Add "*_gl.m4".
12052
12053 2004-10-06 Akim Demaille <akim@epita.fr>
12054
12055 * src/parse-gram.y (add_param): Fix the truncation of trailing
12056 spaces.
12057
12058 2004-10-05 Akim Demaille <akim@epita.fr>
12059
12060 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
12061 whether the reducion was empty or not. This leaves room to
12062 improve the use of YYLLOC_DEFAULT in such a case.
12063 lalr1.cc is still experimental, so changing this is acceptable.
12064 And finally, there are probably not many users who changed the
12065 handling of locations in GLR, so changing is admissible too.
12066
12067 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
12068 empty reduction, set @$ to an empty location ending the previously
12069 stacked symbol.
12070 Adjust uses to make sure the code is triggered on empty
12071 reductions.
12072 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
12073 expected output: empty reductions have empty locations.
12074
12075 2004-09-29 Akim Demaille <akim@epita.fr>
12076
12077 * data/lalr1.cc: Move towards a more standard C++ coding style
12078 for templates: Class < T > -> Class<T>.
12079
12080 2004-09-29 Akim Demaille <akim@epita.fr>
12081
12082 * data/lalr1.cc: Reinstall the former ctor, for sake of
12083 compatibility, but warn it will be removed.
12084 Move towards a more standard C++ coding style (i.e., type *var ->
12085 type* var).
12086
12087 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
12088
12089 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
12090 since it's less likely to work if NULs are involved in the future.
12091
12092 2004-09-27 Akim Demaille <akim@epita.fr>
12093
12094 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
12095
12096 2004-09-27 Akim Demaille <akim@epita.fr>
12097
12098 * data/lalr1.cc (b4_parse_param_decl_1): New.
12099 (b4_parse_param_decl): Use it to have different names between attribute
12100 and argument names.
12101 (b4_cc_constructor_call): Likewise.
12102
12103 2004-09-24 Akim Demaille <akim@epita.fr>
12104
12105 * src/parse-gram.y (add_param): Strip the leading and trailing
12106 blanks from a formal argument declaration.
12107 (YY_LOCATION_PRINT): New.
12108
12109 2004-09-24 Akim Demaille <akim@epita.fr>
12110
12111 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
12112 after the location.
12113
12114 2004-09-24 Akim Demaille <akim@epita.fr>
12115
12116 * doc/bison.texinfo (Table of Symbols): Sort.
12117
12118 2004-09-21 Akim Demaille <akim@epita.fr>
12119
12120 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
12121 the useless parentheses.
12122 Suggested by Paul Eggert.
12123
12124 2004-09-20 Akim Demaille <akim@epita.fr>
12125
12126 Let the initial-action act on the look-ahead, and use it for the
12127 "initial push" (corresponding to an hypothetical beginning-of-file).
12128 And let lalr1.cc honor %initial-action.
12129
12130 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
12131 example.
12132 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
12133 (Parser::Parser): Remove the ctor that used to initialize it.
12134 (Parser::parse): Like in the other skeletons, issue the "starting
12135 parse" message before any action.
12136 Honor %initial-action.
12137 Initialize the stacks with the lookahead.
12138 * data/yacc.c: Let $$ and @$ in %initial-action designate the
12139 look-ahead.
12140 Push them in the stacks.
12141 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
12142
12143 2004-09-20 Akim Demaille <akim@epita.fr>
12144
12145 * doc/bison.texinfo (Initial Action Decl): New.
12146
12147 2004-09-20 Akim Demaille <akim@epita.fr>
12148
12149 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
12150 clearer criterion to define it.
12151 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
12152 When reducing on an empty RHS, use the latest stacked location as
12153 location.
12154 yylloc is not always available.
12155 * data/glr.c: Likewise.
12156 Also, honor initial-actions.
12157
12158 2004-09-20 Akim Demaille <akim@epita.fr>
12159
12160 * data/yacc.c (YY_LOCATION_PRINT): New.
12161 Define when we know YYLTYPE's structure, i.e., when the default
12162 YYLLOC_DEFAULT is used.
12163 * data/c.m4 (b4_yysymprint_generate): Use it.
12164 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
12165 value of the result.
12166 (error_start_): Replace with...
12167 (error_range_): this location array.
12168 This allows to replace code relying on the implementation of
12169 locations by portable code.
12170 * data/yacc.c (yylerrsp): Replace with...
12171 (yyerror_range): this.
12172 Every time a token is popped, update yyerror_range[0], to have an
12173 accurate location for the error token.
12174 * data/glr.c (YY_LOCATION_PRINT): New.
12175 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
12176 deference a pointer.
12177 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
12178 report the location in %printers.
12179
12180 * src/scan-skel.l: Instead of abort, report error messages to ease
12181 understanding skeleton scanning failures.
12182
12183 2004-09-16 Akim Demaille <akim@epita.fr>
12184
12185 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
12186 (iterator, const_iterator): these, to be more in the C++ spirit.
12187 Also, return reverse iterators so that when displaying the stack
12188 we display its bottom first.
12189 (Parser::stack_print_, Parser::reduce_print_): Match the messages
12190 from yacc.c.
12191 We should probably use vector here though.
12192
12193 2004-09-16 Akim Demaille <akim@epita.fr>
12194
12195 Have more complete shift traces.
12196
12197 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
12198 to report Shifts instead of ad hoc YYDPRINTF invocations,
12199 including for the error token.
12200 * data/lalr1.cc (symprint_): Output the location.
12201 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
12202 output the location within the %printer.
12203 Activate GLR tests, at least to make sure they compile properly.
12204 They still don't pass though.
12205 * tests/calc.at: Adjust expect verbose output, since now "Entering
12206 state..." is on a different line than the "Shifting" message.
12207
12208 2004-09-08 Akim Demaille <akim@epita.fr>
12209
12210 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
12211 Bison directive from the Bison file to the invocation of this
12212 macro, so that these directives are passed to
12213 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
12214 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
12215 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
12216 the extra Bison directives instead of the whole series.
12217 Change the grammar so that there are recoverable errors, and
12218 unrecoverable errors. Now we can have the parser give up before
12219 consuming the whole input. As a result we now can observe that
12220 the lookahead is freed when needed.
12221 Change the parser source to parse argv[1] instead of a hard coded
12222 string.
12223 Simplify yylex, and give a value and location to EOF.
12224 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
12225 passed directives already coded in the file.
12226 Add some tests to check the location of "error".
12227 For some tests, the C++ parser is correct, and not yacc.c.
12228 For other tests, they provide different, but unsatisfying, values,
12229 so keep the C++ value so that at least one parser is "correct"
12230 according to the test suite.
12231 (Actions after errors): Remove, this is subsumed by the
12232 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
12233
12234 2004-09-06 Akim Demaille <akim@epita.fr>
12235
12236 * data/lalr1.cc: Adjust the indentation of the labels.
12237 (Parser::pop): New.
12238 Use it.
12239
12240 2004-09-06 Akim Demaille <akim@epita.fr>
12241
12242 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
12243 argument, an informative message.
12244 Call YY_SYMBOL_PRINT.
12245 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
12246 * data/lalr1.cc (destruct_): Likewise.
12247 In addition, no longer depend on b4_yysymprint_generate and
12248 b4_yydestruct_generate to generate these functions, do it "by
12249 hand".
12250
12251 2004-09-03 Akim Demaille <akim@epita.fr>
12252
12253 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
12254 invoked, yydestruct the lookahead.
12255 * tests/calc.at (Calculator $1): Update the expected lengths of
12256 traces: there is an added line for the discarded lookahead.
12257 * doc/bison.texinfo (Destructor Decl): Some rewording.
12258 Define "discarded" symbols.
12259
12260 2004-09-02 Akim Demaille <akim@epita.fr>
12261
12262 * data/lalr1.cc (translate_, destruct_): No reason to be static.
12263
12264 2004-09-02 Akim Demaille <akim@epita.fr>
12265
12266 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
12267 (YYDSYMPRINTF): Rename as...
12268 (YY_SYMBOL_PRINT): this.
12269 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
12270 two.
12271 Use it instead of direct symprint_ calls.
12272 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
12273 one.
12274
12275 2004-09-02 Akim Demaille <akim@epita.fr>
12276
12277 * data/lalr1.cc (b4_yysymprint_generate): New.
12278 (symprint_): New member function, defined when YYDEBUG.
12279 Use it consistently instead of token/nterm debugging output by
12280 hand.
12281 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
12282 %printer calls to use cdebug_ when using lalr1.cc.
12283
12284 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
12285
12286 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
12287 with #ifdef YYDEBUG.
12288
12289 2004-08-26 Akim Demaille <akim@epita.fr>
12290
12291 * doc/bison.texinfo (Implementing Loops): Rename as...
12292 (Implementing Gotos/Loops): this.
12293
12294 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
12295
12296 Adjust to latest gnulib.
12297 * bootstrap (gnulib_modules): Add xalloc-die.
12298 Set LC_ALL=C so that file names sort consistently.
12299 Prefer the gnulib copies of gettext.m4, glibc21.m4,
12300 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
12301 uintmax_t.m4, ulonglong.m4.
12302 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
12303 po.m4 since we are now using _gl.m4 instead.
12304
12305 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
12306
12307 * src/scan-action.l: Remove. Scanning of semantic actions is
12308 handled in scan-gram.l.
12309
12310 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
12311
12312 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
12313
12314 * src/location.h (struct): The file member is a uniqstr.
12315 (equal_boundaries): Use UNIQSTR_EQ for comparison.
12316
12317 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
12318
12319 Fix bug with non-%union parsers that have printers or destructors,
12320 which led to a Bison core dump. Reported by Peter Fales in
12321 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
12322
12323 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
12324 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
12325 not to our own type.
12326 * src/output.c (symbol_destructors_output, symbol_printers_output):
12327 Don't assume %union.
12328 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
12329 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
12330 UNION-FLAG. All callers changed.
12331 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
12332 Use type char, not unsigned int, when declaring an array of char;
12333 this lets us remove a cast.
12334 (Printers and Destructors): Add non-%union test cases.
12335
12336 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
12337
12338 * doc/bison.texinfo: Minor editorial changes, mostly to the new
12339 GLR writeups. E.g., avoid frenchspacing and the future tense,
12340 change "lookahead" to "look-ahead", and change "wrt" to "with
12341 respect to".
12342
12343 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12344
12345 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
12346 New sections, split off from the GLR Parsers section. Put the new
12347 Simple GLR Parser near the start of the GLR section, for clarity.
12348 Rewrite connective text.
12349
12350 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
12351
12352 * doc/bison.texinfo (Simple GLR Parsers): New section.
12353
12354 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
12355
12356 * NEWS, TODO, doc/bison.texinfo:
12357 Use "look-ahead" instead of "lookahead", to be consistent.
12358 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
12359 while we're fixing "look-ahead".
12360 * src/conflicts.c (shift_set): Renamed from shiftset.
12361 (look_ahead_set): Renamed from lookaheadset.
12362 * src/print.c: Likewise.
12363 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
12364 name for "lookahead".
12365 (report_types, usage): Likewise.
12366 * src/getargs.h (report_look_ahead_tokens): Renamed from
12367 report_lookaheads.
12368 * src/lalr.c (compute_look_ahead_tokens): Renamed from
12369 compute_lookaheads.
12370 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
12371 (look_ahead_tokens_print): Renamed from lookaheads_print.
12372 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
12373 state_rule_lookaheads_print.
12374 * src/state.h: Likewise.
12375 (reductions.look_ahead_tokens): Renamed from lookaheads.
12376 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
12377 AT_DATA_LOOKAHEADS_GRAMMAR.
12378
12379 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
12380
12381 * README: Update location of patched M4 distribution.
12382
12383 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
12384
12385 Don't assume the C++ compiler takes the same arguments as the C compiler
12386 (trivial change).
12387 * configure.ac (O0CXXFLAGS): New var.
12388 * tests/atlocal.in (CXXFLAGS): Use it.
12389
12390 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
12391
12392 Fix some "make check" problems with C++ reported by
12393 Albert Chin-A-Young for Tru64 C++ in this thread:
12394 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
12395
12396 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
12397 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12398 Output to a .cc file for C++, not to a .c file.
12399 * tests/calc.at (AT_CHECK_CALC): Likewise.
12400 * tests/regression.at (AT_CHECK_DANCER): Likewise.
12401 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
12402
12403 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
12404
12405 * tests/calc.at, tests/actions.at: Workaround for SGI
12406 C++ compiler. (trivial change)
12407
12408 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
12409
12410 Spent a few hours checking out which prerequisite versions the
12411 current sources actually require. I went all the way back to
12412 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
12413 a seemingly endless set of combinations of versions more recent
12414 than that. The bottom line is that the current sources require
12415 fairly recent versions of the build tools, and it'll be some work
12416 to change this.
12417 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
12418 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
12419 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
12420 Add comments explaining why those particular versions are
12421 currently needed.
12422
12423 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
12424 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
12425 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
12426
12427 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
12428 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
12429
12430 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
12431
12432 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
12433 0.11.5. Suggested by Bruno Haible.
12434 * bootstrap: Remove gettext version checking.
12435
12436 * doc/bison.texinfo (Decl Summary): Also mention that %union
12437 can depend on prerequisite types. Problem reported by Tim
12438 Van Holder.
12439
12440 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
12441
12442 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
12443 * README-alpha: Don't tell people not to package this.
12444
12445 * bootstrap: Don't assume $(...) works; use `...` instead.
12446 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
12447 gettext better.
12448
12449 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
12450 put into the -d output file, and mention what to do if YYSTYPE is
12451 defined as a macro.
12452
12453 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
12454
12455 Undo change made earlier today: it caused autopoint to not bring
12456 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
12457 autopoint's.
12458
12459 * bootstrap: Check that gettext version matches what's in
12460 configure.ac. Warn users to ignore robots.txt ERROR 404.
12461 * bootstrap: Undo today's earlier change (logged below).
12462 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
12463
12464 The gettext version checking is causing more trouble than it's
12465 curing; remove it. Problem reported by Paul Hilfinger.
12466
12467 * bootstrap: Issue a warning that one can expect a message
12468 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
12469 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
12470
12471 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
12472
12473 Ensure that the C++ compiler used for testing actually works on a
12474 simple test program; if not, skip the C++-related tests. Problem
12475 reported by Vin Shelton in:
12476 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
12477
12478 * m4/cxx.m4: New file.
12479 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
12480 * tests/atlocal.in (BISON_CXX_WORKS): Add.
12481 * tests/local.at (AT_COMPILE_CXX): Use it.
12482
12483 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
12484
12485 * data/glr.c (yylloc): Output this macro even if locations are not
12486 being generated, as the GLR parser needs it even in that case.
12487 Problem reported by Troy A. Johnson
12488 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
12489
12490 * configure.ac (AC_INIT): Update to 1.875e.
12491
12492 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
12493
12494 * NEWS: Version 1.875d.
12495 * configure.ac (AC_INIT): Likewise.
12496 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
12497
12498 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
12499 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
12500 lalr1.cc runs afoul of the first, and the last two are no longer
12501 supported by GCC 3.4.0.
12502 * README: Mention GNU m4 1.4 or later; mention m4 patches.
12503 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
12504
12505 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
12506
12507 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
12508 unsigned int, for compatibility with latest gnulib hash module.
12509 * src/state.c (state_hash, state_hasher): Likewise.
12510 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
12511 * src/uniqstr.c (hash_uniqstr): Likewise.
12512
12513 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
12514
12515 * NEWS: Unescaped newlines are no longer allowed in char & strings.
12516
12517 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
12518 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
12519 character and string literals.
12520 (unexpected_end): New function.
12521 (unexpected_eof): Use it.
12522 (unexpected_newline): New function.
12523 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
12524 actions.
12525
12526 * NEWS: Document %expect-rr.
12527
12528 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
12529 Fix typo by replacing $1 with $option.
12530 Remove more 'intl'-related files.
12531 Don't DEFUN AM_INTL_SUBDIR twice.
12532
12533 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
12534 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
12535 strtoul.c.
12536 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
12537 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
12538 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
12539 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
12540 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
12541 * src/.cvsignore: Add *.output.
12542
12543 * src/parse-gram.y: Put copyright notice inside %{ %} so it
12544 gets copied to the output file.
12545
12546 2004-04-28 Paul Eggert <eggert@twinsun.com>
12547
12548 Get files from the gnulib and po repositories, instead of relying
12549 on them being in our CVS. Upgrade to latest versions of gnulib
12550 and Automake.
12551
12552 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
12553 * bootstrap: Bootstrap from gnulib and po repositories.
12554 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
12555 * README-cvs: Document these changes. Remove version numbers from
12556 mentions of build tools, since they change so often. Mention Flex.
12557
12558 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
12559 (gl_USE_SYSTEM_EXTENSIONS): Add.
12560 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
12561 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
12562 does this for us.
12563 (AC_ISC_POSIX): Remove; we no longer support this
12564 ancient OS, as it gets in the way of latest Autoconf & gnulib.
12565 (AC_HEADER_STDC): Remove: we now assume C89 or better.
12566 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
12567 Do not check for C89 headers, except for locale.h which is used
12568 by the Yacc library and must port to K&R hosts.
12569 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
12570 Do not check for C89 functions, except for setlocale which is
12571 used by the Yacc library.
12572 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
12573 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
12574 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
12575 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
12576 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
12577 AM_GNU_GETTEXT): Remove; now done by:
12578 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
12579 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
12580 for us.
12581
12582 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
12583 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
12584 Define to empty, as gnulib.mk will do the rest for us.
12585 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
12586 for us.
12587 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
12588 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
12589
12590 * src/files.c: Include gnulib's xstrndup.h.
12591
12592 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
12593 (REALLOC): Use xnrealloc, for likewise.
12594 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
12595 (strnlen, memrchr): Remove decls; functions no longer used.
12596 Include <stpcpy.h>.
12597
12598 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
12599 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
12600 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
12601 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
12602 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
12603 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
12604 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
12605 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
12606 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
12607 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
12608 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
12609 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
12610 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
12611 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
12612 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
12613 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
12614 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
12615 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
12616 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
12617 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
12618 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
12619 Remove, as these files are now generated automatically
12620 by bootstrap or automake.
12621
12622 * po/ChangeLog: Remove: all but one entry was a duplicate
12623 of this file, and I moved that 2000-11-02 entry here.
12624
12625 * config/.cvsignore: Add Makefile, depcomp, install-sh.
12626 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
12627 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
12628 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
12629 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
12630 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
12631 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
12632 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
12633 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
12634 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
12635 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
12636 xstrndup.h.
12637 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
12638 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
12639 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
12640 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
12641 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
12642 * src/.cvsignore: Remove *_.c.
12643
12644
12645 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
12646 support it. (The latest stable gzip doesn't.)
12647
12648 2004-04-27 Paul Eggert <eggert@twinsun.com>
12649
12650 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
12651 case, as stos_ is now used by destructors due to the 2004-02-09
12652 change.
12653
12654 Remove more K&R C support.
12655 * lib/libiberty.y (PARAMS): Remove. All uses removed.
12656 * lib/subpipe.c (errno): Remove decl.
12657 Include <stdlib.h> unconditionally.
12658 (EXIT_FAILURE): Remove macro.
12659 * src/complain.c (vfprintf, strerror): Remove.
12660 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
12661 unconditionally.
12662 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
12663 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
12664 (strchr, strspn, memchr): Remove decls.
12665 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
12666 unconditionally. Do not declare perror.
12667 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
12668 unconditionally.
12669
12670 * src/complain.c (_): Remove useless defn, as system.h defines this.
12671
12672 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
12673 with latest obstack.h.
12674 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
12675 to procedure types, as obstack.h now does that for us.
12676 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
12677
12678 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
12679 so that this include file can stand alone.
12680 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
12681 does this now. Include subpipe.h first after config.h, to
12682 test whether it can stand alone.
12683
12684 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
12685 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
12686 unused declaration.
12687
12688 * tests/synclines.at (%union synch line): Put a dummy member in
12689 the union, because empty unions aren't allowed in C. Caught
12690 by GCC 3.4.0.
12691
12692 2004-04-13 Jim Meyering <jim@meyering.net>
12693
12694 * src/conflicts.c (conflicts_print): Correct format string typo:
12695 use `%%' to produce literal `%'. (trivial change)
12696
12697 2004-03-30 Paul Eggert <eggert@twinsun.com>
12698
12699 * src/getargs.c (version): Update copyright year to 2004.
12700
12701 * data/c.m4 (b4_int_type): Use 'short int' rather than
12702 'short', and similarly for 'long', 'unsigned', etc.
12703 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
12704 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
12705 yy_yypstack, yydumpstack): Likewise.
12706 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
12707 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
12708 Likewise.
12709 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
12710 yy_stack_print, yyparse): Likewise.
12711 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
12712 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
12713 * lib/bitset.c (bitset_print): Likewise.
12714 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
12715 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
12716 * lib/bitsetv.c (bitsetv_dump): Likewise.
12717 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
12718 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
12719 Likewise.
12720 * src/LR0.c (allocate_itemsets): Likewise.
12721 * src/gram.h (rule_number, rule): Likewise.
12722 * src/lalr.h (goto_number): Likewise.
12723 * src/nullable.c (nullable_compute): Likewise.
12724 * src/output.c (prepare_rules): Likewise.
12725 * src/relation.c (relation_print, relation_digraph): Likewise.
12726 * src/relation.h (relation_node): Likewise.
12727 * src/state.h (state_number, transitions, errs, reductions,
12728 struct state): Likewise.
12729 * src/symtab.h (symbol_number, struct symbol): Likewise.
12730 * src/tables.c (vector_number, tally, action_number,
12731 default_goto, goto_actions): Likewise.
12732 * tests/existing.at (GNU Cim Grammar): Likewise.
12733 * tests/regression.at (Web2c Actions): Likewise.
12734
12735 * src/output.c (muscle_insert_short_int_table): Renamed from
12736 muscle_insert_short_table. All uses changed.
12737
12738 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
12739
12740 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
12741 (declaration): Replace expected_conflicts with expected_sr_conflicts.
12742 Add %expect-rr rule.
12743
12744 * src/scan-gram.l: Recognize %expect-rr.
12745
12746 * src/conflicts.h (expected_sr_conflicts): Rename from
12747 expected_conflicts.
12748 (expected_rr_conflicts): Declare.
12749
12750 * src/conflicts.c (expected_sr_conflicts): Rename from
12751 expected_conflicts.
12752 (expected_rr_conflicts): Define.
12753 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
12754 for GLR parsers.
12755 Use expected_sr_conflicts in place of expected_conflicts.
12756 Warn if expected_rr_conflicts used in non-GLR parser.
12757
12758 * doc/bison.texinfo: Add documentation for %expect-rr.
12759
12760 2004-03-08 Paul Eggert <eggert@gnu.org>
12761
12762 Add support for hex token numbers. Suggested by Odd Arild Olsen in
12763 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
12764
12765 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
12766 in lalr1.cc.
12767 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
12768 * src/scan-gram.l (scan_integer): New function.
12769 ({int}): Use it.
12770 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
12771 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
12772 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
12773 Say "long int", not "long", for uniformity with GNU style.
12774
12775 2004-02-25 Paul Eggert <eggert@twinsun.com>
12776
12777 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
12778 compilers. This fixes a problem with Intel's C++ compiler being
12779 chatty, reported by Guido Trentalancia in
12780 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
12781
12782 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
12783
12784 Support %destructor and merge error locations in lalr1.cc.
12785
12786 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
12787 (Parser::stos_): Define unconditionally.
12788 (Parser::destruct_): New method. Generate its body with
12789 b4_yydestruct_generate.
12790 (Parser::error_start_): New attribute.
12791 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
12792 token which are discarded.
12793 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
12794 error_start_ when erroneous token are discarded.
12795 (Parser::parse) <yyerrlab1>: Compute the location of the error
12796 token so that it covers all the discarded tokens.
12797 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
12798 it can be called with `%skeleton "lalr1.cc"', and do that.
12799
12800 2004-02-02 Paul Eggert <eggert@twinsun.com>
12801
12802 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
12803 $(top_srcdir)/lib and ../lib. This fixes a bug reported
12804 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
12805 There's no need to mention top_builddir since Automake does that
12806 for us.
12807 (INCLUDES): Remove, as Automake says it's obsolescent.
12808 Contents migrated into AM_CPPFLAGS as described above.
12809 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
12810
12811 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12812
12813 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
12814 (yyreportSyntaxError): Handle case where lookahead token is
12815 YYEMPTY.
12816
12817 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12818
12819 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
12820 resulting parsers are compilable with C++.
12821
12822 2003-12-23 Paul Eggert <eggert@twinsun.com>
12823
12824 * config/depcomp, config/install-sh: Sync with Automake 1.8.
12825 * src/output.c (output_skeleton): Rename local var.
12826 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
12827 Bison tokens, as this runs afoul of the 2003-10-07 change that
12828 disallowed NUL bytes in character constants or string literals.
12829
12830 * tests/local.at: Require Autoconf 2.59's Autotest.
12831 * tests/testsuite.at: Don't include local.at, since we now assume
12832 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
12833 including it.
12834 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
12835 multiple inclusion warnings.
12836
12837 2003-12-02 Akim Demaille <akim@epita.fr>
12838
12839 * doc/bison.texinfo (How Can I Reset the Parser): More about start
12840 conditions.
12841 From Bruno Haible.
12842
12843 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
12844
12845 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
12846
12847 2003-10-07 Paul Eggert <eggert@twinsun.com>
12848
12849 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
12850 if testsuite doesn't exist.
12851
12852 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
12853 literals, unfortunately.
12854 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
12855 Complain about NUL bytes in character constants or string literals.
12856
12857 2003-10-05 Paul Eggert <eggert@twinsun.com>
12858
12859 * NEWS: Don't document %no-default-prec, as it's still
12860 too experimental.
12861 * doc/bison.texinfo: Document %no-default-prec only if
12862 the defaultprec flag is set. Normally it's not.
12863
12864 2003-10-04 Paul Eggert <eggert@twinsun.com>
12865
12866 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
12867 non-modifiable lvalue, instead of a modifiable one.
12868 * doc/bison.texinfo (Actions): Document that $$ can
12869 be assigned to. Do not claim that $$ and $N are
12870 array element references: user code should not rely on this.
12871
12872 2003-10-01 Paul Eggert <eggert@twinsun.com>
12873
12874 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
12875 (grammar_declaration): Use it.
12876 * src/scan-gram.l: New token %no-default-prec.
12877 * tests/conflicts.at: Revamp tests to use %no-default-prec.
12878 * NEWS, doc/bison.texinfo: Document the above.
12879
12880 2003-10-01 Akim Demaille <akim@epita.fr>
12881
12882 VCG no longer supports long_straight_phase.
12883
12884 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
12885 * src/print_graph.c (print_graph): Adjust.
12886
12887 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
12888 and Paul Eggert <eggert@twinsun.com>
12889
12890 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
12891 Table of Symbols): Document %default-prec.
12892 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
12893 (grammar_declaration): Set default_prec on %default-prec.
12894 * src/scan-gram.l (%default-prec): New token.
12895 * src/reader.h (default_prec): New flag.
12896 * src/reader.c: Likewise.
12897 (packgram): Handle it.
12898 * tests/conflicts.at (%default-prec without %prec,
12899 %default-prec with %prec, %default-prec 1): New tests.
12900
12901 2003-09-30 Paul Eggert <eggert@twinsun.com>
12902
12903 * tests/testsuite.at: Include local.at, not input.at, fixing
12904 a typo in the 2003-08-25 patch.
12905
12906 2003-08-27 Akim Demaille <akim@epita.fr>
12907
12908 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
12909 GCC warnings.
12910
12911 2003-08-26 Akim Demaille <akim@epita.fr>
12912
12913 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
12914 "<\#" to avoid magic from Gnus when posting parts of this script.
12915
12916 2003-08-26 Akim Demaille <akim@epita.fr>
12917
12918 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
12919 (Parser::parse): here.
12920 Adjust: nerrs and errstatus is now replaced by...
12921 (Parser::nerrs_, Parser::errstatus_): New.
12922
12923 2003-08-25 Akim Demaille <akim@epita.fr>
12924
12925 * config/announce-gen, Makefile.cfg: New.
12926 * Makefile.am: Adjust.
12927 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
12928 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
12929
12930 2003-08-25 Akim Demaille <akim@epita.fr>
12931
12932 When reducing initial empty rules, Bison parser read an initial
12933 location that is not defined. This results in garbage, and that
12934 affects Bison's own parser. Therefore we need (i) to extend Bison
12935 to support a means to initialize this location, and (ii) to use
12936 this CVS Bison to fix CVS Bison's parser.
12937
12938 * src/reader.h, reader.c (epilogue_augment): Remove, replace
12939 with...
12940 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
12941 * src/parse-gram.y: Adjust.
12942 (%initial-action): New.
12943 (%error-verbose): Since we require CVS Bison, there is no reason
12944 not to use it.
12945 * src/scan-gram.l: Adjust.
12946 * src/Makefile.am (YACC): New, to make sure we use our own parser.
12947 * data/yacc.c (yyparse): Use b4_initial_action.
12948
12949 2003-08-25 Akim Demaille <akim@epita.fr>
12950
12951 * doc/bison.texinfo: Don't promote stdout for error messages.
12952
12953 2003-08-25 Akim Demaille <akim@epita.fr>
12954
12955 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
12956 From Alexandre Duret-Lutz.
12957
12958 2003-08-25 Akim Demaille <akim@epita.fr>
12959
12960 Version 1.875c.
12961
12962 2003-08-25 Akim Demaille <akim@epita.fr>
12963
12964 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
12965 Use them.
12966
12967 2003-08-25 Akim Demaille <akim@epita.fr>
12968
12969 * data/lalr1.cc (Parser::reduce_print_): New.
12970 Use it.
12971
12972 2003-08-25 Akim Demaille <akim@epita.fr>
12973
12974 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
12975 error recovery loops. This patch is based on
12976 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
12977 Also, augment the similarity between lalr1.cc and yacc.c.
12978 Note: the locations of error recovery rules are not correct yet.
12979
12980 * data/lalr1.cc: Comment changes to augment the similarity between
12981 lalr1.cc and yacc.c.
12982 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
12983 (yyerrlab1): Remove, but where it used to be (now the bottom part of
12984 yyerrlab), when hitting EOF, pop the whole stack here instead of
12985 merely falling thru the default error handling mechanism.
12986 (yyerrorlab): New label, with the old contents of YYERROR,
12987 plus the following change: pop the stack of rhs corresponding
12988 to the production that invoked YYERROR. That is how Yacc
12989 behaves (required by POSIX).
12990 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
12991 fail.
12992
12993 2003-08-25 Akim Demaille <akim@epita.fr>
12994
12995 Tune local.at so that people can "autom4te -l autotest calc.at -o
12996 calc" for instance, to extract a sub test suite.
12997
12998 * tests/testsuite.at: Move the initialization, Autotest version
12999 requirement, and AT_TESTED invocation into...
13000 * tests/local.at: here.
13001 * tests/testsuite.at: Include it for compatibility with Autoconf
13002 2.57.
13003 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
13004 be ignore.
13005
13006 2003-08-04 Paul Eggert <eggert@twinsun.com>
13007
13008 Rework code slightly to avoid gcc -Wtraditional warnings.
13009 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
13010 The returned value is now stored in *YY0. All callers changed.
13011 * src/output.c (merge_output): Adjust to the above change.
13012
13013 2003-07-26 Paul Eggert <eggert@twinsun.com>
13014
13015 * data/glr.c (YYASSERT): New macro.
13016 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
13017 yyresolveStates, yyprocessOneStack):
13018 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
13019 Derived from a suggestion by Frank Heckenbach.
13020
13021 2003-07-25 Paul Eggert <eggert@twinsun.com>
13022
13023 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
13024 for portability to K&R C (after ansi2knr, presumably). See
13025 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
13026 by Frank Heckenbach, though I have omitted the structure-initialization
13027 part of his glr-knr.diff patch since I recall that the Portable
13028 C Compiler didn't require that change.
13029
13030 Let the user specify how to allocate and free memory.
13031 Derived from a suggestion by Frank Heckenbach in
13032 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
13033 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
13034 All uses of free, malloc, realloc changed to use these macros,
13035 and unnecessary casts removed.
13036 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
13037
13038 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
13039
13040 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
13041 use s.empty() rather than s == "" to test for empty string; see
13042 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
13043 (trivial change)
13044
13045 2003-06-25 Akim Demaille <akim@epita.fr>
13046
13047 * config/depcomp, config/install-sh: Update from masters.
13048
13049 2003-06-20 Paul Eggert <eggert@twinsun.com>
13050
13051 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
13052 and return properly parenthesized result.
13053 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
13054 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
13055 Remove unnecessary parentheses from uses.
13056 * doc/bison.texinfo (Location Default Action): Describe the
13057 conventions for parentheses.
13058
13059 2003-06-19 Paul Eggert <eggert@twinsun.com>
13060
13061 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
13062 yyreportTree): Do not assume that size_t is the same width as int,
13063 when printing sizes. Print sizes using an unsigned format.
13064 Problem reported by Frank Heckenbach in
13065 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
13066
13067 Port to Forte Developer 7 C compiler.
13068 * data/glr.c (struct YYLTYPE): If locations are not being used,
13069 declare a single dummy member, as empty structs do not conform
13070 to the C standard.
13071 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
13072 the Forte Developer 7 C compiler complains that end-of-loop
13073 code is not reached.
13074
13075 2003-06-17 Paul Eggert <eggert@twinsun.com>
13076
13077 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
13078 avoid warnings from picky compilers about redefinition of PARAMS.
13079
13080 2003-06-17 Paul Eggert <eggert@twinsun.com>
13081
13082 Version 1.875b.
13083
13084 * NEWS: Document 1.875b.
13085
13086 * lib/bbitset.h: Do not include config.h; that's the includer's job.
13087 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
13088 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
13089 Don't use 'index' in comments, as it's a builtin fn on some hosts.
13090 * lib/bitset_stats.c: Include gettext.h unconditionally, as
13091 per recent gettext manual's suggestion.
13092 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
13093 Use prototypes, not old-style definitions.
13094 * lib/lbitset.c (lbitset_unused_clear): Likewise.
13095 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
13096 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
13097 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
13098 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
13099 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
13100 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
13101 vbitset_or_and_cmp, vbitset_copy): Likewise.
13102
13103 * lib/libiberty.h: Do not include config.h; that's the includer's job.
13104 Do not include <stdlib.h>.
13105 (PARAMS): Define unconditionally for C89.
13106 (ATTRIBUTE_NORETURN): Remove.
13107 (ATTRIBUTE_UNUSED): Define unconditionally.
13108
13109 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
13110 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
13111 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
13112 * lib/vbitset.c, lib/vbitset.h: New files.
13113 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
13114 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
13115 from libbitset.
13116
13117 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
13118 `How Can I Reset @code{yyparse}', since texinfo does not allow
13119 arbitrary @ in node names.
13120
13121 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
13122 shouldn't be needed according to the gettext 0.12.1 documentation
13123 but which seem to be needed anyway: codeset.m4 glibc21.m4
13124 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
13125 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
13126 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
13127
13128 * lib/.cvsignore: Add stdbool.h.
13129 * m4/.cvsignore: Add nls.m4, po.m4.
13130
13131 Upgrade to CVS gnulib.
13132 * stdbool_.h: File renamed from stdbool.h.in.
13133 * configure.ac (AM_STDBOOL_H): Invoke this instead of
13134 AC_HEADER_STDBOOL.
13135 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
13136 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
13137 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
13138 (MOSTLYCLEANFILES): New var.
13139 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
13140 (stdbool.h): New rule.
13141 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
13142 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
13143 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
13144 m4/quote.m4: Upgrade to today's gnulib.
13145
13146 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
13147 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
13148 the tests right now.
13149 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
13150 yyerror are declared before use; C99 requires this.
13151
13152 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13153
13154 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
13155 first.
13156 (yyrecoverSyntaxError): Correct the logic for setting and testing
13157 yyerrState.
13158 Correct comment on handling EOF.
13159 Allow states with only a default reduction, rather than failing
13160 (I can't quite reconstruct why these were not allowed before).
13161
13162 Fixes to avoid problem that $-N rules in GLR parsers can cause
13163 buffer overruns, corrupting state.
13164
13165 * src/output.c (prepare_rules): Output max_left_semantic_context
13166 definition.
13167 * src/reader.h (max_left_semantic_context): New variable declaration.
13168 * src/scan-gram.l (max_left_semantic_context): Define.
13169 (handle_action_dollar): Update max_left_semantic_context.
13170 * data/glr.c (YYMAXLEFT): New definition.
13171 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
13172 (yyresolveAction): Ditto.
13173
13174 Fixes to problems with location handling in GLR parsers reported by
13175 Frank Heckenbach (2003/06/05).
13176
13177 * data/glr.c (YYLTYPE): Make trivial if locations not used.
13178 (YYRHSLOC): Add parentheses, and define only if locations used.
13179 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
13180 locations not used.
13181 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
13182 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
13183
13184 * tests/cxx-type.at: Exercise location information; update tests
13185 to differentiate output with and without locations.
13186 Remove forward declarations of yylex and yyerror---caused errors
13187 because default YYLTYPE not yet defined.
13188 Change semantic actions to compute strings, rather than printing
13189 them directly (to test proper passing of semantics values). Change
13190 output to prefix notation and update test data and expected results.
13191 (yylex): Track locations.
13192 (stmtMerge): Return value rather than printing, and include arguments
13193 in value.
13194
13195 2003-06-03 Paul Eggert <eggert@twinsun.com>
13196
13197 Avoid warnings generated by GCC 2.95.4 when Bison is
13198 configured with --enable-gcc-warnings.
13199 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
13200 yy::]b4_parser_class_name[::translate_,
13201 yy::Stack::operator[] (unsigned),
13202 yy::Stack::operator[] (unsigned) const,
13203 yy::Slice::operator[] (unsigned),
13204 yy::Slice::operator[] (unsigned) const):
13205 Rename local vars to avoid warnings.
13206 * tests/glr-regression.at (Improper handling of embedded actions
13207 and $-N in GLR parsers): Remove unused local variable from yylex.
13208 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
13209 (void) as arg when not pure, since we now assume C89 when building
13210 Bison. Pacify GCC by using parameter.
13211
13212 2003-06-02 Paul Eggert <eggert@twinsun.com>
13213
13214 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
13215 yy::Location::lines, yy::Location::columns): Rename arguments
13216 to avoid shadowing; this removes a warning generated by GCC 3.3.
13217
13218 2003-06-01 Paul Eggert <eggert@twinsun.com>
13219
13220 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
13221 to g++, as GCC 3.3 complains if you do it.
13222 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
13223 everything that WARNING_CFLAGS has, except omit warnings
13224 not suitable for C++.
13225 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
13226 * tests/atlocal.in (CXXFLAGS): New var.
13227 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
13228
13229 Fix a GLR parser bug I reported in February; see
13230 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
13231 The problem was that GLR parsers did not conform to the C standard,
13232 because actions like { $1 = $2 + $3; } expanded to expressions
13233 that invoked YYFILL in separate subexpressions, and YYFILL assigned
13234 to a local variable. The C standard says that expressions
13235 like (var = f ()) + (var = f ()) have undefined behavior.
13236 Another problem was that GCC sometimes issues warnings that
13237 yyfill and its parameters are unused.
13238
13239 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
13240 as possibly unused.
13241 (yyfill): New function.
13242 (YYFILL): Use it.
13243 (yyuserAction): Change type of yynormal to bool, so that it matches
13244 the new yyfill signature. Mark it as possibly unused.
13245
13246
13247 Follow up on a bug I reported in February, where a Bison-generated
13248 parser can loop. Provide a test case and a fix for yacc.c. I
13249 don't have a fix for lalr1.cc or for glr.c, unfortunately.
13250 The original bug report is in:
13251 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
13252
13253 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
13254 macro's size was becoming unwieldy.
13255 (yyerrlab): Do not discard an empty lookahead symbol, as this
13256 might destroy garbage.
13257 (yyerrorlab): New label, with the old contents of YYERROR,
13258 plus the following change: pop the stack of rhs corresponding
13259 to the production that invoked YYERROR. That is how Yacc
13260 behaves, and POSIX requires this behavior.
13261 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
13262 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
13263 Define 'alarm' to do nothing if unistd.h is not available.
13264 Add a new rule "exp: '-' error;" to test the above change to
13265 data/yacc.c. Use 'alarm' to abort any test taking longer than
13266 10 seconds, as it's probably looping.
13267 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
13268 Also, the new yacc.c generates two fewer diagnostics for an
13269 existing test.
13270
13271 2003-05-24 Paul Eggert <eggert@twinsun.com>
13272
13273 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
13274 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
13275 This fixes a problem reported by John Bowman when the Compaq/HP
13276 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
13277 -ansi -Wall -gall).
13278 * data/yacc.c (union yyalloc): Likewise.
13279 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
13280
13281 Switch from 'int' to 'bool' where that makes sense.
13282
13283 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
13284 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
13285 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
13286 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
13287 Return or accept bool, not int. All callers changed.
13288 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
13289 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
13290 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
13291 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
13292 bitset_or_and_cmp_): Likewise.
13293 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
13294 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
13295 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
13296 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
13297 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
13298 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
13299 bitset_stats_or_and_cmp): Likewise.
13300 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
13301 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
13302 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
13303 ebitset_xor_cmp): Likewise.
13304 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
13305 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
13306 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
13307 lbitset_xor_cmp): Likewise.
13308 * lib/bbitset.h: Include <stdbool.h>.
13309 (struct bitset_vtable): The following members now return bool, not
13310 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
13311 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
13312 or_and_cmp).
13313 * src/conflicts.c (count_rr_conflicts): Likewise.
13314 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
13315 All uses changed.
13316 * lib/ebitset.c (ebitset_obstack_init): Likewise.
13317 * lib/lbitset.c (lbitset_obstack_init): Likewise.
13318 * src/getargs.c (debug_flag, defines_flag, locations_flag,
13319 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
13320 graph_flag): Likewise.
13321 * src/getargs.h (debug_flag, defines_flag, locations_flag,
13322 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
13323 graph_flag): Likewise.
13324 * src/output.c (error_verbose): Likewise.
13325 * src/output.h (error_verbose): Likewise.
13326 * src/reader.c (start_flag, typed): Likewise.
13327 * src/reader.h (typed): Likewise.
13328 * src/getargs.c (LOCATIONS_OPTION): New constant.
13329 (long_options, getargs): Use it.
13330 * src/lalr.c (build_relations): Use bool, not int.
13331 * src/nullable.c (nullable_compute): Likewise.
13332 * src/print.c (print_reductions): Likewise.
13333 * src/tables.c (action_row, pack_vector): Likewise.
13334 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
13335 * src/output.c (prepare): Use it.
13336 * src/output.c (token_definitions_output,
13337 symbol_destructors_output, symbol_destructors_output): Use string,
13338 not boolean integer, to keep track of whether to output separator.
13339 * src/print_graph.c (print_core): Likewise.
13340 * src/state.c (state_rule_lookaheads_print): Likewise.
13341
13342 * config/install-sh: Sync from automake 1.7.5.
13343
13344 2003-05-14 Paul Eggert <eggert@twinsun.com>
13345
13346 * src/parse-gram.y (rules_or_grammar_declaration): Require a
13347 semicolon after a grammar declaration, in the interest of possible
13348 future changes to the Bison input language.
13349 Do not allow a stray semicolon at the start of the grammar.
13350 (rhses.1): Allow one or more semicolons after any rule, including
13351 just before "|" as required by POSIX.
13352 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
13353 grammar.
13354
13355 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
13356
13357 %parse-param support for lalr1.cc.
13358
13359 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
13360 b4_cc_constructor_calls, b4_cc_constructor_call,
13361 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
13362 definitions.
13363 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
13364 parse-param arguments.
13365 (yy::b4_parser_class_name): Declare instance variables to
13366 hold parse-param arguments.
13367 * tests/calc.at: s/value/semantic_value/ because value clashes
13368 with a member of yy::b4_parser_class_name. Adjust C++ code
13369 to handle %parse-param. Enable %parse-param test in C++.
13370
13371 2003-05-12 Paul Eggert <eggert@twinsun.com>
13372
13373 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
13374 English a bit. Fix fclose typo. Change "const char" to "char
13375 const", and use ANSI C rather than K&R for "main". Suggest
13376 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
13377 and suggest yy_switch_to_buffer.
13378
13379 2003-05-05 Paul Eggert <eggert@twinsun.com>
13380
13381 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
13382 C89. This avoids a diagnostic on compilers that define __STDC__
13383 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
13384 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
13385
13386 2003-05-03 Paul Eggert <eggert@twinsun.com>
13387
13388 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
13389 Do not overrun array bounds.
13390 This should fix a bug reported today by Olatunji Oluwabukunmi in
13391 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
13392
13393 2003-04-29 Akim Demaille <akim@epita.fr>
13394
13395 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
13396 * src/getargs.c, src/getargs.h: here, as bool, not int.
13397 (nondeterministic_parser): New.
13398 * src/parse-gram.y, src/scan-gram.l: Support
13399 %nondeterministic-parser.
13400 * src/output.c (prepare): Use nondeterministic_parser instead
13401 of glr_parser where appropriate.
13402 * src/tables.c (conflict_row, action_row, save_row)
13403 (token_actions, token_actions, pack_vector): Ditto.
13404
13405 2003-04-29 Akim Demaille <akim@epita.fr>
13406
13407 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
13408
13409 2003-04-29 Akim Demaille <akim@epita.fr>
13410
13411 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
13412 with %pure-parser and %locations to exercise the patch from Yakov
13413 Markovitch below.
13414
13415 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
13416
13417 * data/yacc.c: (b4_lex_param): Corrected for the case where
13418 %lex-param is provided and %pure-parser isn't.
13419
13420 2003-04-27 Paul Eggert <eggert@twinsun.com>
13421
13422 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
13423 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
13424 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
13425 if it is not defined.
13426 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
13427
13428 2003-04-26 Paul Eggert <eggert@twinsun.com>
13429
13430 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
13431 Declare to be of type suitable for the ninf value itself, not of
13432 type suitable for the corresponding table, since the latter might
13433 be unsigned but the ninf value might be negative. This fixes a
13434 bug reported by Alexandre Duret-Lutz in
13435 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
13436
13437 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
13438 invokes it. We shouldn't invoke it twice because it will attempt
13439 to put error.o in the archive twice. This fixes a glitch reported
13440 by Martin Mokrejs in
13441 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
13442
13443 2003-04-21 Paul Eggert <eggert@twinsun.com>
13444
13445 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
13446 to gnulib.
13447
13448 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
13449
13450 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
13451 Fix obvious typo that results in uncompilable GLR parsers
13452 when both %pure-parser and %locations are used. (trivial change)
13453
13454 2003-04-17 Paul Eggert <eggert@twinsun.com>
13455
13456 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
13457 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
13458 Do not insert the expected token via unput, as this runs afoul
13459 of a POSIX-compatibility bug in flex 2.5.31.
13460 All uses changed to BEGIN the parent state,
13461 since we no longer insert the expected token via unput.
13462 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
13463 that is no longer emitted after the above change.
13464
13465 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
13466 the first one. This change is from Paul Hilfinger, and it fixes
13467 regression reported by Werner Lemberg in
13468 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
13469
13470 (resolve_sr_conflict): Don't invoke state_errs_set
13471 unless one or more tokens have been explicitly made errors.
13472 Otherwise, the above change causes Bison to abort.
13473
13474 * tests/existing.at (GNU pic Grammar): New test case, taken from
13475 Lemberg's email.
13476
13477 2003-03-31 Akim Demaille <akim@epita.fr>
13478
13479 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
13480
13481 2003-03-31 Akim Demaille <akim@epita.fr>
13482
13483 * src/output.c (prepare_symbols): Avoid trailing spaces in the
13484 output.
13485
13486 2003-03-31 Akim Demaille <akim@epita.fr>
13487
13488 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
13489 From Paul Hilfinger.
13490
13491 2003-03-29 Akim Demaille <akim@epita.fr>
13492
13493 * m4/error.m4: Do not put under dynamic conditions some code which
13494 expansion is under static control.
13495
13496 2003-03-29 Akim Demaille <akim@epita.fr>
13497
13498 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
13499
13500 2003-03-29 Akim Demaille <akim@epita.fr>
13501
13502 * doc/bison.texinfo (Strings are Destroyed): New.
13503
13504 2003-03-13 Paul Eggert <eggert@twinsun.com>
13505
13506 * .cvsignore: Add configure.lineno.
13507 * src/.cvsignore: Add yacc.
13508 * tests/.cvsignore: Add testsuite.log.
13509 * doc/fdl.texi: Sync with latest FSF version.
13510
13511 2003-03-12 Paul Eggert <eggert@twinsun.com>
13512
13513 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
13514 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
13515 cursor, instead of leaving it undefined. This fixes a bug
13516 reported by Tim Van Holder in
13517 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
13518 * tests/input.at (Torturing the Scanner): Test the scanner on
13519 an empty input file, which was Tim Van Holder's test case.
13520
13521 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
13522 <sys/resource.h> can be included, include sys/time.h and
13523 sys/times.h first, if available. This works around the SunOS
13524 4.1.4 porting bug reported by Bruce Becker in
13525 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
13526
13527 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
13528 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
13529 AC_HEADER_SYS_WAIT.
13530
13531 Merge changes from gnulib. This was prompted because the CVS
13532 snapshot didn't build on Solaris 7 due to strnlen problems.
13533
13534 These changes need to be merged back into gnulib:
13535 * lib/hash.c: Include <stdbool.h> unconditionally.
13536 * m4/onceonly.m4 (m4_quote): New macro.
13537 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
13538 Quote AC_FOREACH variable-expansions properly.
13539 The 2003-01-03 obstack.h change also needs merging.
13540 {end of changes requiring merging}
13541
13542 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
13543 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
13544 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
13545 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
13546 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
13547 New files, imported from gnulib.
13548 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
13549 above.
13550
13551 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
13552 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
13553 gnulib sources.
13554
13555 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
13556 Add.
13557 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
13558 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
13559 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
13560 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
13561 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
13562 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
13563 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
13564 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
13565 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
13566 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
13567 (jm_PREREQ_ARGMATCH): Remove.
13568 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
13569 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
13570
13571 * src/system.h: Include <stdbool.h> unconditionally.
13572
13573 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
13574 assuming at least C89 in the bitset code for some time now.
13575
13576 2003-03-03 Akim Demaille <akim@epita.fr>
13577
13578 * ro.po: New.
13579
13580 2003-03-02 Akim Demaille <akim@epita.fr>
13581
13582 * doc/bison.texinfo (Table of Symbols): Reactivate the
13583 documentation for %lex-param, and %parse-param.
13584
13585 2003-03-02 Akim Demaille <akim@epita.fr>
13586
13587 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
13588 generate verbose error messages.
13589 Use the number of tokens as an upper bound in yytname, as it
13590 cannot be a non terminal.
13591
13592 2003-03-02 Akim Demaille <akim@epita.fr>
13593
13594 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
13595 message.
13596
13597 2003-03-02 Akim Demaille <akim@epita.fr>
13598
13599 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
13600 Use them to exercise yycheck overrun.
13601 Based on Andrew Suffield's grammar.
13602
13603 2003-03-02 Akim Demaille <akim@epita.fr>
13604
13605 Create tests/local.at for Bison generic testing macros.
13606
13607 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
13608 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
13609 This new file.
13610 * tests/calc.at (AT_CHECK_CALC): Adjust.
13611 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
13612 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
13613 * tests/local.at: here.
13614 (AT_COMPILE_CXX): Tags the tests using it as c++.
13615 Ignore the test if CXX is not functional.
13616
13617 2003-03-01 Paul Eggert <eggert@twinsun.com>
13618
13619 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
13620 not loc->end, since loc->end might contain garbage and this leads
13621 to undefined behavior on some platforms.
13622 (id_loc, token_start): Use (IF_LINTed) initial values that do not
13623 depend on *loc, so that the reader doesn't give the the false
13624 impression that *loc is initialized.
13625 (<INITIAL>"%%"): Do not bother setting code_start, since its value
13626 does not survive the return.
13627
13628 2003-03-01 Akim Demaille <akim@epita.fr>
13629
13630 * src/scan-gram.l (code_start): Always initialize it when entering
13631 into yylex, as SC_EPILOGUE is activated *before* the corresponding
13632 yylex invocation. An alternative would be making it static, but
13633 then it starts with the second %%'s beginning, instead of its end.
13634
13635 2003-02-28 Paul Eggert <eggert@twinsun.com>
13636
13637 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
13638 around a UnixWare 7.1.1 porting bug reported by John Hughes in
13639 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
13640
13641 2003-02-26 Paul Eggert <eggert@twinsun.com>
13642
13643 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
13644 Remove Sequent/Pyramid discussion (nobody uses them any more).
13645 Merge VMS and MS-DOS discussion; these ports may well be dead
13646 but let's keep mentioning them for now. Put <> around email
13647 addresses. Add copyright notice.
13648
13649 2003-02-24 Paul Eggert <eggert@twinsun.com>
13650
13651 * data/glr.c (yy_reduce_print): yylineno -> yylno,
13652 to avoid collision with flex use of yylineno.
13653 Problem reported by Bruce Lilly in
13654 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
13655 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
13656 * data/yacc.c (yy_reduce_print): Likewise.
13657
13658 * config/depcomp: Sync with Automake 1.7.3.
13659
13660 2003-02-21 Akim Demaille <akim@epita.fr>
13661
13662 * data/lalr1.cc: Use temporary variables instead of casts to
13663 change integer types.
13664 Suggested by Paul Eggert.
13665
13666 2003-02-21 Akim Demaille <akim@epita.fr>
13667
13668 * doc/bison.texinfo: Use "location" consistently to refer to @n,
13669 to avoid confusions with lalr1.cc's notion of Position.
13670 Suggested by Paul Eggert.
13671
13672 2003-02-20 Akim Demaille <akim@epita.fr>
13673
13674 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
13675 before initial_columns.
13676 (location.hh): Use consistent variable names when defining the
13677 operator<<.
13678 Use "last" so that we subtract from Positions, not from unsigned.
13679
13680 2003-02-20 Akim Demaille <akim@epita.fr>
13681
13682 * data/lalr1.cc (position.hh): New subfile, including the extended
13683 and Doxygen'ed documentation of class Position.
13684 (location.hh): Use it.
13685 Document a` la Doxygen.
13686 With the help of Benoit Perrot.
13687
13688 2003-02-20 Akim Demaille <akim@epita.fr>
13689
13690 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
13691 AT_YACC_IF.
13692 Redefine AT_YYERROR_SEES_LOC_IF using it.
13693 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
13694 not defined.
13695 Don't use the location in yy::Parser::error_ and
13696 yy::Parser::print_ when not %locations.
13697 Activate more lalr1.cc tests.
13698
13699 2003-02-19 Akim Demaille <akim@epita.fr>
13700
13701 * data/lalr1.cc: When displaying a line number, be sure to make it
13702 an int.
13703
13704 2003-02-19 Akim Demaille <akim@epita.fr>
13705
13706 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
13707 Remove, useless.
13708 (YYABORT, YYACCEPT, YYERROR): New.
13709 * tests/calc.at: Renable the lalr1.cc test.
13710
13711 2003-02-19 Akim Demaille <akim@epita.fr>
13712
13713 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
13714 error recovery, mixing with/without pops and discarding of the
13715 lookahead.
13716 Exercise YYERROR.
13717 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
13718
13719 2003-02-17 Paul Eggert <eggert@twinsun.com>
13720
13721 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
13722 * tests/testsuite.at (AT_COMPILE): Use them.
13723 This fixes the testsuite problem reported by Robert Lentz in
13724 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
13725
13726 2003-02-12 Paul Eggert <eggert@twinsun.com>
13727
13728 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
13729 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
13730 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
13731 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
13732 Check for malloc failure, for consistency with yacc.c.
13733 (yytname_size): Remove, for consistency with yacc.c.
13734
13735 The bug still remains in data/lalr1.cc, as I didn't have time
13736 to fix it there.
13737
13738 2003-02-06 Akim Demaille <akim@epita.fr>
13739
13740 * configure.ac (GXX): Rename as...
13741 (CXX): this, to keep the original Autoconf semantics.
13742 Require 2.57.
13743 * data/lalr1.cc: Fix b4_copyright invocations.
13744 If YYDEBUG is not defined, don't depend upon name_ being defined.
13745 (location.hh): Include string and iostream.
13746 (Position::filename): New member.
13747 (Position::Position ()): New.
13748 (operator<< (Position)): New.
13749 (operator- (Position, int)): New.
13750 (Location::first, Location::last): Rename as...
13751 (Location::begin, Location::end): these, to mock the conventional
13752 iterator names.
13753 (operator<< (Location)): New.
13754 * tests/atlocal.in (CXX): New.
13755 * tests/testsuite.at (AT_COMPILE_CXX): New.
13756 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
13757 locations in a more synthetic way.
13758 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
13759 lalr1.cc is used.
13760 Adjust the C locations to match those from Emacs: first column is
13761 column 0.
13762 Change all the expected results.
13763 Conform to the GCS: simplify the locations when applicable.
13764 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
13765 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
13766 these CPP macros with the m4 macros new defined by...
13767 (AT_CHECK_PUSHDEFS): this, i.e.:
13768 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
13769 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
13770 New macros.
13771 (AT_CHECK_POPDEFS): Undefine them.
13772 (AT_CHECK_CALC_LALR1_CC): New.
13773 Use it for the first lalr1.cc test.
13774
13775 2003-02-04 Akim Demaille <akim@epita.fr>
13776
13777 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
13778 Location as is defined.
13779
13780 2003-02-04 Akim Demaille <akim@epita.fr>
13781
13782 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
13783 name_ being defined.
13784
13785 2003-02-03 Paul Eggert <eggert@twinsun.com>
13786
13787 * src/gram.h (start_symbol): Remove unused decl.
13788
13789 Use more-consistent naming conventions for local vars.
13790
13791 * src/derives.c (derives_compute): Change type of local var from
13792 int to rule_number.
13793 * src/gram.c (grammar_rules_partial_print): Likewise.
13794 * src/print.c (print_core): Likewise.
13795 * src/reduce.c (reduce_grammar_tables): Likewise.
13796
13797 * src/gram.c (grammar_dump): Change name of item_number *
13798 local var from r to rp.
13799 * src/nullable.c (nullable_compute): Likewise.
13800
13801 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
13802
13803 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
13804 for symbol or symbol_number var.
13805 * src/reader.c (grammar_start_symbol_set): Likewise.
13806 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
13807 Likewise.
13808 * src/state.c (transitions_to): Likewise.
13809 * src/state.h: Likewise.
13810 * src/tables.c (symbol_number_to_vector_number): Likewise.
13811
13812 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
13813 char * var.
13814
13815 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
13816 var.
13817
13818 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
13819 var.
13820
13821 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
13822 Use str, not s, for char * var. Use ch, not c, for character var.
13823 Use size for size var.
13824
13825 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
13826 char * var.
13827 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
13828 uniqstr var.
13829 * src/uniqstr.h: Likewise.
13830
13831 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13832 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13833 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
13834 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
13835 param to have same name as that of enum, so that we don't use
13836 "s" to stand for a non-state.
13837
13838 2003-02-02 Akim Demaille <akim@epita.fr>
13839
13840 * src/scan-skel.l: Scan more than one inert character per yylex
13841 invocation.
13842
13843 2003-02-01 Paul Eggert <eggert@twinsun.com>
13844
13845 Version 1.875a.
13846
13847 * po/LINGUAS: Add ms.
13848
13849 2003-01-30 Akim Demaille <akim@epita.fr>
13850
13851 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
13852
13853 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13854
13855 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
13856 of $1.
13857
13858 Changes in response to error report by S. Eken: GLR mode does not
13859 handle negative $ indices or $ indices in embedded rules correctly.
13860 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
13861
13862 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
13863 (b4_rhs_location): Ditto.
13864 (yyfill): New function to copy from stack tree into array
13865 incrementally.
13866 (yyuserAction): Modify to allow incremental move of semantic values
13867 to rhs array when in GLR mode.
13868 Define YYFILL to use in user-defined actions to fill semantic array
13869 as needed.
13870 Remove dummy use of yystack, as there is now a guaranteed use.
13871 (yydoAction): Modify to allow incremental move of semantic values
13872 to rhs array when in GLR mode.
13873 (yyresolveAction): Ditto.
13874 (yyglrShiftDefer): Update comment.
13875 (yyresolveStates): Use X == NULL for pointers, not !X.
13876 (yyglrReduce): Ditto.
13877 (yydoAction): Ditto
13878
13879 * tests/glr-regr1.at: Rename to ...
13880 * tests/glr-regression.at: Add new regression test for the problems
13881 described above (adapted from S. Eken).
13882 Update copyright notice.
13883 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
13884 * tests/Makefile.am: Ditto.
13885
13886 2003-01-28 Paul Eggert <eggert@twinsun.com>
13887
13888 * data/lalr1.cc: Do not use @output_header_name@ unless
13889 b4_defines_flag is set. This fixes two bugs reported by
13890 Tim Van Holder in
13891 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
13892 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
13893
13894 2003-01-21 Paul Eggert <eggert@twinsun.com>
13895
13896 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
13897 we don't need to worry about yyerrlab1 being reported as an
13898 "unused label" by non-GCC C compilers. The downside is that if
13899 locations are used then a couple of statements are duplicated each
13900 time YYERROR is invoked, but the upside is that the warnings
13901 should vanish.
13902 (yyerrlab1): Move code to YERROR.
13903 (yyerrlab2): Remove. Change uses back to yyerrlab1.
13904 This reverts some of the 2002-12-27 change.
13905
13906 2003-01-17 Paul Eggert <eggert@twinsun.com>
13907
13908 * src/output.c (symbol_printers_output): Fix typo that led
13909 to core dump. Problem reported by Antonio Rus in
13910 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
13911
13912 2003-01-13 Akim Demaille <akim@epita.fr>,
13913 Quoc Peyrot <chojin@lrde.epita.fr>,
13914 Robert Anisko <anisko_r@lrde.epita.fr>
13915
13916 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
13917 when the stacks contain one element, as the loop would otherwise
13918 free the last state, and then use the top state (the one we just
13919 popped). This means that the initial elements will not be freed
13920 explicitly, as is the case in yacc.c; it is not a problem, as
13921 these elements have fake values.
13922
13923 2003-01-11 Paul Eggert <eggert@twinsun.com>
13924
13925 * NEWS: %expect-violations are now just warnings, reverting
13926 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
13927 bootstrapping problem reported by Matthias Klose; see
13928 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
13929 * src/conflicts.c (conflicts_print): Likewise.
13930 * tests/conflicts.at (%expect not enough, %expect too much,
13931 %expect with reduce conflicts): Likewise.
13932 * doc/bison.texinfo (Expect Decl): Document this. Also mention
13933 that the warning is enabled if the number of conflicts changes
13934 (not necessarily increases).
13935
13936 * src/getargs.c (version): Update copyright year.
13937
13938 2003-01-09 Akim Demaille <akim@epita.fr>
13939
13940 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
13941
13942 2003-01-08 Paul Eggert <eggert@twinsun.com>
13943
13944 * Makefile.maint (WGETFLAGS):
13945 New macro, containing "-C off" to disable proxy caches.
13946 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
13947 (rel-check): Use $(WGET) instead of wget.
13948
13949 2003-01-06 Paul Eggert <eggert@twinsun.com>
13950
13951 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
13952 the GLR paper of Scott, Johnstone and Hussain.
13953
13954 2003-01-04 Paul Eggert <eggert@twinsun.com>
13955
13956 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
13957 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
13958 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
13959 (EXTRA_LIBRARIES): New var, for liby.a.
13960 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
13961 (EXTRA_SCRIPTS): New var, for yacc.
13962
13963 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
13964 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
13965 Problem reported by Nelson H. F. Beebe.
13966
13967 2003-01-03 Paul Eggert <eggert@twinsun.com>
13968
13969 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
13970 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
13971 when compiling Bison 1.875's `bitset bset = obstack_alloc
13972 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
13973
13974 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
13975 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
13976 grow to a huge size with typical invocation.
13977
13978 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
13979 Use the pattern recommended by Autoconf 2.57, except also protect
13980 against double-definition.
13981 * src/system.h: Likewise.
13982 Portability issues reported by Nelson H. F. Beebe.
13983
13984 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
13985 All uses changed. Provide a definition in both C and C++.
13986 (yytrue, yyfalse): Define even if defined (__cplusplus).
13987
13988 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
13989 Reported by Nelson H. F. Beebe.
13990
13991 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
13992
13993 2003-01-02 Paul Eggert <eggert@twinsun.com>
13994
13995 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
13996 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
13997 Bug reported by Nelson H. F. Beebe.
13998
13999 2003-01-01 Paul Eggert <eggert@twinsun.com>
14000
14001 * Version 1.875.
14002
14003 2002-12-30 Paul Eggert <eggert@twinsun.com>
14004
14005 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
14006 Moved here from...
14007 (<INITIAL>","): Here. This causes stray "," to be treated
14008 more uniformly.
14009
14010 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
14011 last brace in braced code when not in Yacc mode, for compatibility
14012 with Bison 1.35. This resurrects the 2001-12-15 patch to
14013 src/reader.c.
14014
14015 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
14016 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
14017
14018 2002-12-28 Paul Eggert <eggert@twinsun.com>
14019
14020 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
14021 that of SYM's type. This fixes Debian bug 168069, reported by
14022 Thomas Olsson.
14023
14024 2002-12-28 Paul Eggert <eggert@twinsun.com>
14025
14026 Version 1.75f.
14027
14028 Switch back to the Yacc style of conflict reports, undoing some
14029 of the 2002-07-30 change.
14030 * doc/bison.texinfo (Understanding): Use Yacc style for
14031 conflict reports. Also, use new way of locating rules.
14032 * src/conflicts.c (conflict_report):
14033 Renamed from conflict_report_yacc, removing the old
14034 'conflict_report'. Translate the entire conflict report at once,
14035 so that we don't assume that "," has the same interpretation in
14036 all languages.
14037 (conflicts_output): Use Yacc-style conflict report for each state,
14038 instead of our more-complicated style.
14039 (conflicts_print): Use Yacc-style conflict report, except print
14040 the input file name when not emulating Yacc.
14041 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
14042 Conflicted Reduction, %expect not enough, %expect too much,
14043 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
14044 * tests/existing.at (GNU Cim Grammar): Likewise.
14045 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
14046
14047 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
14048 fatal): Don't invoke fflush; it's not needed and it might even be
14049 harmful for stdout, as stdout might not be open.
14050 * src/reduce.c (reduce_print): Likewise.
14051
14052 2002-12-27 Paul Eggert <eggert@twinsun.com>
14053
14054 Fix a bug where error locations were not being recorded correctly.
14055 This problem was originally reported by Paul Hilfinger in
14056 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
14057
14058 * data/yacc.c (yyparse): New local var yylerrsp, to record the
14059 top of the location stack's error locations.
14060 (yyerrlab): Set it. When discarding a token, push its location
14061 onto yylerrsp so that we don't lose track of the error's end.
14062 (yyerrlab1): Now is only the target of YYERROR, so that we can
14063 properly record the location of the action that failed. For GCC
14064 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
14065 GCC warning about yyerrlab1 being unused if YYERROR is unused.
14066 (yyerrlab2): New label, which yyerrlab now falls through to.
14067 Compute the error's location by applying YYLLOC_DEFAULT to
14068 the locations of all the symbols that went into the error.
14069 * doc/bison.texinfo (Location Default Action): Mention that
14070 YYLLOC_DEFAULT is also invoked for syntax errors.
14071 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
14072 Error locations include the locations of all the tokens that were
14073 discarded, not just the last token.
14074
14075 2002-12-26 Paul Eggert <eggert@twinsun.com>
14076
14077 * src/files.c: Include quote.h.
14078 (compute_output_file_names): Warn if we detect conflicting
14079 outputs to the same file. This should catch the misunderstanding
14080 exemplified by Debian Bug 165349, reported by Bruce Stephens..
14081
14082 * src/conflicts.c (conflicts_print): If the user specifies
14083 "%expect N", report an error if there are any reduce/reduce
14084 conflicts. This is what the manual says should happen.
14085 This fixes Debian bug 130890, reported by Anthony DeRobertis.
14086 * tests/conflicts.at (%expect with reduce conflicts): New test.
14087
14088 Don't use m4_include on relative file names, as it doesn't work as
14089 desired if there happens to be a file with that name under ".".
14090
14091 * m4sugar/version.m4: Remove; it was included but it wasn't used.
14092 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
14093 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
14094 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
14095 * src/output.c (output_skeleton): Use full path names when
14096 specifying a file to include; don't rely on include path, as
14097 it's unreliable when the working file contains a file with
14098 that name.
14099
14100 2002-12-25 Paul Eggert <eggert@twinsun.com>
14101
14102 Remove obsolete references to bison.simple and bison.hairy.
14103 Problem mentioned by Aubin Mahe in
14104 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
14105 * data/glr.c: Comment fix.
14106 * doc/bison.1: Remove references. Also, mention "yacc".
14107
14108 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
14109 with -g option.
14110
14111 * src/parse-gram.y (declaration): Use enum "report_states" rather
14112 than its numeric value 1.
14113
14114 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
14115 opening a new one. This fixes Debian bug 165349, reported by
14116 Bruce Stephens.
14117
14118 2002-12-24 Paul Eggert <eggert@twinsun.com>
14119
14120 Version 1.75e.
14121
14122 * Makefile.maint (cvs-update): Don't assume that the shell
14123 supports $(...), as Solaris sh doesn't.
14124
14125 * src/parse-gram.y (lloc_default): Remove test for empty
14126 nonterminals at the end, since it didn't change the result.
14127
14128 2002-12-24 Paul Eggert <eggert@twinsun.com>
14129
14130 If the user does not define YYSTYPE as a macro, Bison now declares it
14131 using typedef instead of defining it as a macro. POSIX requires this.
14132 For consistency, YYLTYPE is also declared instead of defined.
14133
14134 %union directives can now have a tag before the `{', e.g., the
14135 directive `%union foo {...}' now generates the C code
14136 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
14137 The default union tag is `YYSTYPE', for compatibility with Solaris 9
14138 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
14139 instead of `yyltype'.
14140
14141 `yystype' and `yyltype' are now obsolescent macros instead of being
14142 typedefs or tags; they are no longer documented and will be
14143 withdrawn in a future release.
14144
14145 * data/glr.c (b4_location_type): Remove.
14146 (YYSTYPE): Renamed from yystype.
14147 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
14148 (struct YYLTYPE): Renamed from struct yyltype.
14149 (YYLTYPE): Renamed from yyltype.
14150 (yyltype, yystype): New (and obsolescent) macros,
14151 for backward compatibility.
14152 * data/yacc.c: Likewise.
14153
14154 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
14155 does not specify a union tag. This is for compatibility with
14156 Solaris 9 yacc.
14157
14158 * src/parse-gram.y (add_param): 2nd arg is now char * not char
14159 const *, since it is now modified by stripping surrounding { }.
14160 (current_braced_code): Remove.
14161 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
14162 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
14163 trailing " {...}". Now of type <chars>.
14164 (grammar_declaration): Adjust to bundled tokens.
14165 (code_content): Remove; stripping is now done by add_param.
14166 (print_token_value): Print contents of bundled tokens.
14167 (token_name): New function.
14168
14169 * src/reader.h (braced_code, current_braced_code): Remove.
14170 (token_name): New decl.
14171
14172 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
14173 token_type, not braced_code code_kind. All uses changed.
14174 (SC_PRE_CODE): New state, for scanning after a keyword that
14175 has (or usually has) an immediately-following braced code.
14176 (token_type): New local var, to keep track of which token type
14177 to return when scanning braced code.
14178 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
14179 <INITIAL>"%parse-param", <INITIAL>"%printer",
14180 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
14181 instead of returning a token type immediately.
14182 (<INITIAL>"{"): Set token type.
14183 (<SC_BRACED_CODE>"}"): Use it.
14184 (handle_action_dollar, handle_action_at): Now returns bool
14185 indicating success. Fail if ! current_rule; this prevents a core dump.
14186 (handle_symbol_code_dollar, handle_symbol_code_at):
14187 Remove; merge body into caller.
14188 (handle_dollar, handle_at): Complain in invalid contexts.
14189
14190 * NEWS, doc/bison.texinfo: Document the above.
14191 * NEWS: Fix years and program names in copyright notice.
14192
14193 2002-12-17 Paul Eggert <eggert@twinsun.com>
14194
14195 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
14196 Reporting, Table of Symbols): Omit mentions of %lex-param and
14197 %parse-param from the documentation for now.
14198
14199 2002-12-15 Paul Eggert <eggert@twinsun.com>
14200
14201 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
14202 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
14203 lookahead symbol, and which sets yychar in parser actions) and it
14204 disagreed with the Bison documentation. Bug
14205 reported by Andrew Walrond.
14206
14207 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
14208 as the caller now does that.
14209 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
14210 (YYEMPTY): Parenthesize right hand side, since others use it.
14211 (yyparse): Don't assume that our generated code is the only code
14212 that sets yychar.
14213
14214 2002-12-13 Paul Eggert <eggert@twinsun.com>
14215
14216 Version 1.75d.
14217
14218 POSIX requires a "yacc" command.
14219 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
14220 (MOSTLYCLEANFILES): Add yacc.
14221 (yacc): New rule.
14222 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
14223 as an alias for bison y.
14224
14225 * po/LINGUAS: Add da.
14226
14227 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
14228 problem with latest <getopt.h>.
14229 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
14230
14231 * doc/fdl.texi: Upgrade to 1.2.
14232 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
14233 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
14234 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
14235 gnulib.
14236 * config/install-sh: Sync with autotools.
14237
14238 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
14239 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
14240 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
14241 locations are requested.
14242 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
14243 locations are requested.
14244
14245 2002-12-12 Paul Eggert <eggert@twinsun.com>
14246
14247 Remove unportable casts and storage allocation tricks.
14248 While we're at it, remove almost all casts, since they
14249 usually aren't needed and are a sign of trouble.
14250
14251 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
14252
14253 * src/derives.c (derives_compute): Do not subtract NTOKENS from
14254 the pointer DSET returned by malloc; this isn't portable.
14255 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
14256 Similarly for DERIVES.
14257 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
14258 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
14259 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
14260
14261 * src/derives.c (derives_compute): Do not bother invoking
14262 int_of_rule_number, since rule numbers are integers.
14263
14264 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
14265 rather than XMALLOC (char, N).
14266
14267 * src/files.c (filename_split): Rewrite to avoid cast.
14268
14269 * src/gram.h (symbol_number_as_item_number,
14270 item_number_as_symbol_number, rule_number_as_item_number,
14271 item_number_as_rule_number):
14272 Now inline functions rather than macros, to avoid casts.
14273 * src/state.h (state_number_as_int): Likewise.
14274 * src/tables.c (state_number_to_vector_number,
14275 symbol_number_to_vector_number): Likewise.
14276
14277 * src/gram.h (int_of_rule_number): Remove; no longer used.
14278
14279 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
14280 since the resulting storage is always stored into.
14281
14282 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
14283 where it's needed.
14284
14285 * src/muscle_tab.c (muscle_m4_output):
14286 Now inline. Return bool, not int.
14287 * src/state.c (state_compare): Likewise.
14288 * src/symtab.c (symbol_check_defined,
14289 symbol_check_alias_consistency, symbol_pack, symbol_translation,
14290 hash_compare_symbol, hash_symbol):
14291 Likewise.
14292 * src/uniqstr.c (uniqstr_print): Likewise.
14293 * src/muscle_tab.c (muscle_m4_output_processor):
14294 New function, to avoid casts.
14295 * src/state.c (state_comparator, stage_hasher): Likewise.
14296 * src/symtab.c (symbol_check_defined_processor,
14297 symbol_check_alias_consistency_processor, symbol_pack_processor,
14298 symbol_translation_processor, hash_symbol_comparator,
14299 hash_symbol_hasher): Likewise.
14300 * src/uniqstr.c (uniqstr_print_processor): Likewise.
14301 * src/muscle_tab.c (muscles_m4_output):
14302 Use new functions instead of casting old functions unportably.
14303 * src/state.c (state_hash_new): Likewise.
14304 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
14305 symbols_token_translations_init):
14306 Likewise.
14307 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
14308
14309 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
14310 var instead of casting to long, to avoid casts.
14311 (prepare_states): Use MALLOC rather than alloca, so that we don't
14312 have to worry about alloca.
14313 * src/state.c (state_hash_lookup): Likewise.
14314
14315 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
14316 local var instead of casting to unsigned char, to avoid casts.
14317
14318 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
14319 STATE_ALLOC): Remove.
14320 (transitions_new, errs_new, reductions_new, state_new): Use malloc
14321 rather than calloc, and use offsetof to avoid allocating slightly
14322 too much storage.
14323 (state_new): Initialize all members.
14324
14325 * src/state.c (state_hash): Use unsigned accumulator, not signed.
14326
14327 * src/symtab.c (symbol_free): Remove; unused.
14328 (symbol_get): Remove cast in lhs of assignment.
14329 (symbols_do): Now static. Accept generic arguments, not
14330 hashing-related ones.
14331
14332 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
14333 (symbol_processor): Remove.
14334 (symbols_do): Remove decl; now static.
14335
14336 * src/system.h (alloca): Remove; decl no longer needed.
14337 (<stddef.h>): Include, for offsetof.
14338 (<inttypes.>, <stdint.h>): Include if available.
14339 (uintptr_t): New type, if system lacks it.
14340 (CALLOC, MALLOC, REALLOC): New macros.
14341 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
14342 new macros.
14343
14344 * src/tables.c (table_size): Now int, to pacify GCC.
14345 (table_grow, table_ninf_remap): Use signed table size.
14346 (save_row): Don't bother initializing locals when not needed.
14347 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
14348 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
14349
14350 * src/vcg.h: Correct misspellings.
14351
14352 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
14353
14354
14355 * src/getargs.c (getargs): Don't assume EOF == -1.
14356
14357 2002-12-09 Paul Eggert <eggert@twinsun.com>
14358
14359 Change identifier spellings to avoid collisions with names
14360 that are reserved by POSIX.
14361
14362 Don't use names ending in _t, since POSIX reserves them.
14363 For consistency, remove _e and _s endings -- they're weren't
14364 needed to remove ambiguity. All uses changed.
14365 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
14366 turn was just renamed from struniq_t.
14367 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
14368 which in turn was just renamed from struniq_processor_t.
14369 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
14370 in turn was renamed from hash_compare_struniq_t.
14371 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
14372 (state_list): Renamed from state_list_t.
14373 * src/assoc.h (assoc): Renamed from assoc_t.
14374 * src/conflicts.c (enum conflict_resolution): Renamed from
14375 enum conflict_resolution_e.
14376 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
14377 (rule_list): Renamed from rule_list_t.
14378 * src/getargs.h (enum trace): Renamed from enum trace_e.
14379 (enum report): Renamed from enum report_e.
14380 * src/gram.h (item_number): Renamed from item_number_t.
14381 (rule_number): Renamed from rule_number_t.
14382 (struct rule_s): Remove the "rule_s" part; not used.
14383 (rule): Renamed from rule_t.
14384 (rule_filter): Renamed from rule_filter_t.
14385 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
14386 (goto_list): Renamed from goto_list_t.
14387 * src/lalr.h (goto_number): Renamed from goto_number_t.
14388 * src/location.h (location): Renamed from location_t.
14389 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
14390 and moved here from:
14391 * src/muscle_tab.h (muscle_entry_t): here.
14392 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
14393 (rule_list): Renamed from rule_list_t.
14394 * src/print_graph.c (static_graph): Renamed from graph.
14395 * src/reader.h (braced_code): Renamed from braced_code_t.
14396 Remove brace_code_e tag.
14397 * src/relation.h (relation_node): Renamed from relation_node_t.
14398 (relation_nodes): Renamed from relation_nodes_t.
14399 (relation): Renamed from relation_t.
14400 * src/state.h (state_number): Renamed from state_number_t.
14401 (struct state): Renamed from struct state_s.
14402 (state): Renamed from state_t.
14403 (transitions): Renamed from transitions_t. Unused (and
14404 misspelled) transtion_s tag removed.
14405 (errs): Renamed from errs_t. Unused errs_s tag removed.
14406 (reductions): Renamed from reductions_t. Unused tag
14407 reductions_s removed.
14408 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
14409 (struct symbol_list): Renamed from struct symbol_list_s.
14410 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
14411 (struct symbol): Renamed from struct symbol_s.
14412 (symbol): Renamed from symbol_t.
14413 * src/tables.c (vector_number): Renamed from vector_number_t.
14414 (action_number): Renamed from action_t.
14415 * src/tables.h (base_number): Renamed from base_t.
14416 * src/vcg.h (enum color): Renamed from enum color_e.
14417 (enum textmode): Renamed from enum textmode_e.
14418 (enum shape): Renamed from enum shape_e.
14419 (struct colorentry): Renamed from struct colorentry_s.
14420 (struct classname): Renamed from struct classname_s.
14421 (struct infoname): Renamed from struct infoname_s.
14422 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
14423 (enum decision): Renamed from enum decision_e.
14424 (enum orientation): Renamed from enum orientation_e.
14425 (enum alignment): Renamed from enum alignment_e.
14426 (enum arrow_mode): Renamed from enum arrow_mode_e.
14427 (enum crossing_type): Renamed from enum crossing_type_e.
14428 (enum view): Renamed from enum view_e.
14429 (struct node): Renamed from struct node_s.
14430 (node): Renamed from node_t.
14431 (enum linestyle): Renamed from enum linestyle_e.
14432 (enum arrowstyle): Renamed from enum arrowstyle_e.
14433 (struct edge): Renamed from struct edge.
14434 (edge): Renamed from edge_t.
14435 (struct graph): Renamed from struct graph_s.
14436 (graph): Renamed from graph_t.
14437 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
14438 Rename value_t -> value.
14439 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
14440 value_t_as_yystype -> value_as_yystype.
14441
14442 Don't include <errno.h> in the mainstream code, since it
14443 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
14444 * lib/get-errno.c, lib/get-errno.h: New files.
14445 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
14446 get-errno.c.
14447 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
14448 * src/output.c (output_skeleton): Likewise.
14449 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
14450 instead of errno.
14451 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
14452 Likewise.
14453 (handle_action_dollar, handle_action_at): Likewise.
14454 * src/system.h: Do not include <errno.h>.
14455 (TAB_EXT): Renamed from EXT_TAB.
14456 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
14457
14458 Avoid str[a-z]*, since <string.h> reserves that name space.
14459 Change all instances of "struniq" in names to "uniqstr", and
14460 likewise for "STRUNIQ" and "UNIQSTR".
14461 * src/uniqstr.c: Renamed from src/struniq.c.
14462 * src/uniqstr.h: Renamed from src/struniq.h.
14463 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
14464 * src/files.c (strsuffix): Remove; unused.
14465 (concat2): Renamed from stringappend. Now static.
14466 * src/files.h (strsuffix, stringappend): Remove; unused.
14467 * src/parse-gram.y (<chars>): Renamed from <string>.
14468 (<uniqstr>): Renamed from <struniq>.
14469 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
14470 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
14471 (struct graph_s.expand): Renamed from struct graph_s.stretch.
14472 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
14473 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
14474 (N_EXPAND): Renamed from N_STRETCH.
14475
14476 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
14477 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
14478 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
14479 Remove; unused.
14480 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
14481 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
14482 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
14483 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
14484 (BASE_MAXIMUM): Renamed from BASE_MAX.
14485 (BASE_MINIMUM): Renamed from BASE_MIN.
14486 (ACTION_MAX): Remove; unused.
14487 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
14488 Unnecessary casts removed from above defines.
14489
14490
14491 Fix misspelling in names.
14492 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
14493 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
14494 G_NODE_ALIGNEMENT.
14495
14496
14497 * lib/timevar.c (timevar_report): Renamed from time_report,
14498 for consistency with other names.
14499 * lib/timevar.h (timevar_report): New decl.
14500 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
14501
14502
14503 Sort include-file uses.
14504
14505 Reorder all include files under src to be in the order "system.h".
14506 then the ../lib include files in angle brackets (alphabetized),
14507 then the . include files in double-quotes (alphabetized). Fix
14508 dependency breakages encountered in this process, as follows:
14509 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
14510 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
14511 * src/state.h: Include "symtab.h".
14512
14513 2002-12-08 Paul Eggert <eggert@twinsun.com>
14514
14515 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
14516 since this causes problems when __file__ contains character
14517 sequences like "@" that are treated specially by src/scan-skel.l.
14518 Instead, just use the file's basename. This fixes the bug
14519 reported by Martin Mokrejs in
14520 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
14521
14522 2002-12-06 Paul Eggert <eggert@twinsun.com>
14523
14524 Add support for rules that do not have trailing semicolons, as
14525 POSIX requires. Improve the quality of locations in Bison
14526 diagnostics.
14527
14528 * src/location.c: Include <quotearg.h>.
14529 (empty_location): Now const.
14530 (location_print): New function. Follow the recommendation of the
14531 GNU Coding Standards for locations that span file boundaries.
14532 * src/location.h: Do not include <quotearg.h>; no longer needed.
14533 (boundary): New type.
14534 (location_t): Use it. This allows locations to span file boundaries.
14535 All member uses changed: file -> start.file or end.file (as needed),
14536 first_line -> start.line, first_column -> start.column,
14537 last_line -> end.line, last_column -> end.column.
14538 (equal_boundaries): New function.
14539 (LOCATION_RESET, LOCATION_STEP): Remove.
14540 (LOCATION_PRINT): Remove. All callers changed to use location_print.
14541 (empty_location): Now const.
14542 (location_print): New decl.
14543 * src/parse-gram.y (lloc_default): New function, which handles
14544 empty locations more accurately.
14545 (YYLLOC_DEFAULT): Use it.
14546 (%token COLON): Remove.
14547 (%token ID_COLON): New token.
14548 (rules): Use it.
14549 (declarations, rules): Remove trailing semicolon.
14550 (declaration, rules_or_grammar_declaration):
14551 Allow empty (";") declaration.
14552 (symbol_def): Remove empty actions; no longer needed.
14553 (rules_or_grammar_declaration): Remove trailing semicolon.
14554 (semi_colon.opt): Remove.
14555 * src/reader.h: Include location.h.
14556 (scanner_cursor): New decl.
14557 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
14558 rolling our own.
14559 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
14560 of *loc.
14561 (STEP): Remove. No longer needed, now that adjust_location does
14562 the work. All uses removed.
14563 (scanner_cursor): New var.
14564 (adjust_location): Renamed from extend_location. It now sets
14565 *loc and adjusts the scanner cursor. All uses changed.
14566 Don't bother testing for CR.
14567 (handle_syncline): Remove location arg; now updates scanner cursor.
14568 All callers changed.
14569 (unexpected_end_of_file): Now accepts start boundary of token or
14570 comment, not location. All callers changed. Update scanner cursor,
14571 not the location.
14572 (SC_AFTER_IDENTIFIER): New state.
14573 (context_state): Renamed from c_context. All uses changed.
14574 (id_loc, code_start, token_start): New local vars.
14575 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
14576 processing of Yacc white space and equivalents here.
14577 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
14578 instead of returning ID immediately, since we need to search for
14579 a subsequent colon.
14580 (<INITIAL>"'", "\""): Save token_start.
14581 (<INITIAL>"%{", "{", "%%"): Save code_start.
14582 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
14583 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
14584 BEGIN context_state at end, not INITIAL.
14585 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
14586 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
14587 Return correct token start.
14588 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
14589 the start of a character, string or multiline comment is found.
14590 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
14591 Reduction): Adjust reported locations to match the more-precise
14592 results now expected.
14593 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
14594 * tests/reduce.at (Useless Rules, Reduced Automaton,
14595 Underivable Rules): Likewise.
14596 * tests/regression.at (Invalid inputs): No longer `expecting ";"
14597 or "|"' now that so many other tokens are allowed by the new grammar.
14598
14599 * src/complain.h (current_file): Remove duplicate decl;
14600 current_file is now owned by files.h.
14601 * src/complain.c, src/scan-gram.l: Include files.h.
14602
14603 2002-12-06 Paul Eggert <eggert@twinsun.com>
14604
14605 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
14606 promotes to int; it might be unsigned int.
14607 * data/yacc.c (yy_reduce_print): Likewise.
14608
14609 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
14610 be #defined in the prologue, not in the Bison declarations.
14611 This fixes Debian Bug 102878, reported by Shaul Karl.
14612
14613 2002-12-02 Paul Eggert <eggert@twinsun.com>
14614
14615 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
14616 * lib/strtoul.c: New file, from gnulib.
14617 This fixes a porting bug reported by Peter Klein in
14618 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
14619
14620 2002-11-30 Paul Eggert <eggert@twinsun.com>
14621
14622 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
14623 and put only a forward declaration in the prologue. This is for
14624 consistency with the other scanner helper functions.
14625
14626 Type clashes now generate warnings, not errors, since it
14627 appears that POSIX may allow some grammars with type clashes.
14628 * src/reader.c (grammar_current_rule_check): Warn about
14629 type clashes instead of complaining.
14630 * tests/input.at (Type Clashes): Expect warnings, not complaints.
14631
14632 Add Yacc library, since POSIX requires it.
14633 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
14634 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
14635 * lib/main.c, lib/yyerror.c: New files.
14636
14637 gram_error can be static; it need not be extern.
14638 * src/reader.h (gram_error): Remove decl.
14639 * src/parse-gram.y (gram_error): Now static. Add static decl.
14640 (print_token_value): Omit parameter names from forward decl,
14641 for consistency.
14642
14643 2002-11-29 Paul Eggert <eggert@twinsun.com>
14644
14645 * doc/bison.texinfo: Emphasize that yylex and yyerror must
14646 be declared before being used. E.g., one should typically
14647 declare them in the prologue. Use GNU coding style in examples.
14648 Put "const" consistently after the type it modifies. Mention
14649 that C99 supports "inline". Mention that yyerror traditionally
14650 returns "int".
14651
14652 %parse-param and %lex-param now take just one argument, the
14653 declaration; the argument name is deduced from the declaration.
14654
14655 * doc/bison.texinfo (Parser Function, Pure Calling, Error
14656 Reporting, Table of Symbols): Document this.
14657 * src/parse-gram.y (add_param): New function.
14658 (COMMA): Remove.
14659 (declaration): Implement new rule for %parse-param and %lex-param.
14660 * src/scan-gram.l: "," now elicits a warning, rather than being
14661 a token; this is more compatible with byacc.
14662 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
14663
14664 2002-11-27 Paul Eggert <eggert@twinsun.com>
14665
14666 Rename identifiers to avoid real and potential collisions.
14667
14668 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
14669 to avoid collision with lex macro described by Bruce Lilly in
14670 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
14671 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
14672 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
14673 * src/parse-gram.y (print_token_value): Renamed from yyprint.
14674 All uses changed.
14675 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
14676 The name "yycontrol" violates the name space rules, and this stuff
14677 wasn't being used anyway.
14678 (input): Remove action; this stuff wasn't being used.
14679 (gram_error): Rename local variable yylloc -> loc.
14680 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
14681 (YY_DECL): Don't use "yy" at start of local variables.
14682 All uses changed, e.g., yylloc -> loc.
14683 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
14684 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
14685 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
14686 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
14687
14688 * src/parse-gram.y (gram_error): loc is now const *.
14689 * src/reader.h (gram_error): Likewise.
14690
14691 2002-11-24 Paul Eggert <eggert@twinsun.com>
14692
14693 Version 1.75c.
14694
14695 * tests/actions.at (Actions after errors): Use an output format
14696 more similar to that of the Printers and Destructors test.
14697 Test the position of the ';' token too.
14698 (Printers and Destructors): Likewise.
14699 (Printers and Destructors: %glr-parser): Remove for now, to avoid
14700 unnecessarily alarming people when the test fails.
14701
14702 * data/yacc.c (yyerrlab1): Move this label down, so that the
14703 parser does not discard the lookahead token if the user code
14704 invokes YYERROR. This change is required for POSIX conformance.
14705
14706 * lib/error.c: Sync with gnulib.
14707
14708 2002-11-22 Paul Eggert <eggert@twinsun.com>
14709
14710 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
14711 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
14712 * lib/xmalloc.c: Likewise.
14713
14714 2002-11-20 Paul Eggert <eggert@twinsun.com>
14715
14716 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
14717
14718 2002-11-20 Paul Eggert <eggert@twinsun.com>
14719
14720 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
14721 should use `if (! x) abort ();' rather than `assert (x);', and
14722 anyway it's one less thing to worry about configuring.
14723
14724 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
14725 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
14726 and replace all instances of assert with abort.
14727 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
14728 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
14729
14730 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
14731 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
14732 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
14733 hash_find_entry, hash_rehash, hash_insert): Likewise.
14734 * src/conflicts.c (resolve_sr_conflict): Likewise.
14735 * src/lalr.c (set_goto_map, map_goto): Likewise.
14736 * src/nullable.c (nullable_compute): Likewise.
14737 * src/output.c (prepare_rules, token_definitions_output): Likewise.
14738 * src/reader.c (packgram, reader): Likewise.
14739 * src/state.c (state_new, state_free, state_transitions_set,
14740 state_reduction_find): Likewise.
14741 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
14742 symbol_pack): Likewise.
14743 * src/tables.c (conflict_row, pack_vector): Likewise.
14744 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
14745 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
14746 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
14747 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
14748
14749 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
14750 (ARGMATCH_CONSTRAINT): New macro.
14751 (ARGMATCH_ASSERT): Use it.
14752
14753 * src/system.h (verify): New macro.
14754 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
14755 rather than assert.
14756 * src/tables.c (tables_generate): Likewise.
14757
14758 * src/struniq.c (struniq_assert): Now returns void, and aborts
14759 if the assertion is false.
14760 (struniq_assert_p): Remove.
14761 * src/struniq.h: Likewise.
14762
14763 2002-11-18 Paul Eggert <eggert@twinsun.com>
14764
14765 * data/glr.c (yygetLRActions): Replace `yyindex' with
14766 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
14767 This fixes the regression with Sun ONE Studio 7 cc that I reported in
14768 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
14769
14770 2002-11-18 Akim Demaille <akim@epita.fr>
14771
14772 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
14773 space.
14774 From Tim Van Holder.
14775
14776 2002-11-17 Paul Eggert <eggert@twinsun.com>
14777
14778 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
14779 to "SyntaxError" for consistency with my 2002-11-15 change.
14780
14781 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
14782 not define to {}, since this breaks the common use of `YYDPRINTF
14783 ((...));' if a single statement is desired (e.g. before `else').
14784 Work around GCC warnings by surrounding corresponding calls with
14785 {} if needed.
14786 (yyhasResolvedValue): Remove unused function.
14787 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
14788 loop body.
14789 (yyreportSyntaxError): Renamed from yyreportParseError.
14790 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
14791 All uses changed.
14792 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
14793 extern when possible. Remove unused initializations.
14794
14795 2002-11-16 Akim Demaille <akim@epita.fr>
14796
14797 Augment the similarity between GLR and LALR traces.
14798
14799 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
14800 (YY_REDUCE_PRINT): New.
14801 (yyparse): Use them.
14802 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
14803 YYDPRINT here.
14804 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
14805 state reached after the reduction/recovery, since...
14806 (yyparse, yyprocessOneStack): Report the state we are entering in.
14807
14808 2002-11-16 Akim Demaille <akim@epita.fr>
14809
14810 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
14811 Add support for --trace=skeleton.
14812 * src/scan-skel.l: %option debug.
14813 Scan strings of non-@ or \n instead of character by character.
14814 (scan_skel): Handle trace_skeleton.
14815 (QPUTS): New.
14816 (@output_parser_name@, @output_header_name@): ``Restore'' their
14817 support (used to be M4 macros).
14818 * data/yacc.c: Quote larger chunks, a la glr.c.
14819 * data/lalr1.cc: Likewise.
14820 The header guards are no longer available, so use some other
14821 string than `YYLSP_NEEDED'.
14822
14823 2002-11-16 Akim Demaille <akim@epita.fr>
14824
14825 Make the ``Printers and Destructors'' test more verbose, taking
14826 `yacc.c''s behavior as (possibly wrong) reference.
14827
14828 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
14829 instead of fprint on stdout.
14830 Set and report the last_line of the symbols.
14831 Consistently display values and locations.
14832
14833 2002-11-16 Paul Eggert <eggert@twinsun.com>
14834
14835 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
14836
14837 2002-11-15 Paul Eggert <eggert@twinsun.com>
14838
14839 * tests/actions.at (Actions after errors): New test case.
14840
14841 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
14842 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
14843 tests/action.at, tests/calc.at, tests/conflicts.at,
14844 tests/cxx-type.at, tests/regression.at:
14845 "parse error" -> "syntax error" for POSIX compatibility.
14846 "parsing stack overflow..." -> "parser stack overflow" so
14847 that code matches Bison documentation.
14848
14849 2002-11-15 Akim Demaille <akim@epita.fr>
14850
14851 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
14852 take two BRACED_CODE, not two string_content.
14853 Free the scanner's obstack when we are done.
14854 (code_content): New.
14855 * tests/calc.at: Adjust.
14856 * doc/bison.texinfo: Adjust.
14857 Also, make sure to include the `,' for these declarations.
14858
14859 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
14860
14861 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
14862 definition; avoids potential autoreconf problems.
14863
14864 2002-11-15 Akim Demaille <akim@epita.fr>
14865
14866 Always check the value returned by yyparse.
14867
14868 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
14869 returned by yyparse.
14870 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
14871 Adjust calls.
14872 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
14873 returned by yyparse.
14874
14875 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14876
14877 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
14878 on input.at test.
14879
14880 2002-11-14 Paul Eggert <eggert@twinsun.com>
14881
14882 * src/output.c (output_skeleton): Call xfopen instead of
14883 duplicating xfopen's body.
14884
14885 Fix bugs reported by Nelson H. F. Beebe in
14886 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
14887
14888 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
14889 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
14890 Group compiler. Instead, use "$CC -E bar.c". Include the .h
14891 file twice in the grammar, as an extra check.
14892
14893 * tests/input.at (Torturing the Scanner): Surround the
14894 backslash-newline tests with "#if 0", to make it less likely that
14895 we'll run into compiler bugs. Bring back solitary \ inside
14896 comment, but add a closing comment to work around HP C bug. Don't
14897 test backslash-newline in C character constant.
14898
14899 2002-11-14 Akim Demaille <akim@epita.fr>
14900
14901 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
14902 status of the compiler.
14903 Calling `exit 1' is no longer needed.
14904 Reported by Nelson H. F. Beebe.
14905
14906 2002-11-14 Akim Demaille <akim@epita.fr>
14907
14908 * tests/atlocal.in (CPPFLAGS): We have config.h.
14909 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
14910 New.
14911 * tests/actions.at, tests/calc.at, tests/conflicts.at,
14912 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
14913 * tests/regression.at, tests/torture.at: Use them for all the
14914 grammars that are to be compiled.
14915 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
14916 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
14917 * doc/bison.texinfo (GLR Parsers): Document `inline'.
14918
14919 2002-11-14 Akim Demaille <akim@epita.fr>
14920
14921 * doc/bison.texinfo: Various formatting changes (alignments in
14922 samples, additional @group/@end group, GCS in samples.
14923 Use @deffn instead of simple @table to define the directives,
14924 macros, variables etc.
14925
14926 2002-11-13 Paul Eggert <eggert@twinsun.com>
14927
14928 Fix some bugs reported by Albert Chin-A-Young in
14929 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
14930
14931 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
14932 -o c"; the HP C compiler chatters during compilation.
14933 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
14934 * tests/headers.at (export YYLTYPE): Likewise.
14935
14936 * tests/input.at (Torturing the Scanner): Remove lines containing
14937 solitary backslashes, as they tickle a bug in the HP C compiler.
14938
14939 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
14940 comments, since they're not portable. Use GNU coding style.
14941
14942 2002-11-13 Akim Demaille <akim@epita.fr>
14943
14944 * data/yacc.c: Leave bigger chunks of quoted text.
14945 (YYDSYMPRINTF): New.
14946 Use it to report symbol activities.
14947 * data/glr.c (YYDSYMPRINTF): New.
14948 Use it.
14949
14950 2002-11-12 Paul Eggert <eggert@twinsun.com>
14951
14952 Version 1.75b.
14953
14954 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
14955 (yyglrReduce): Return yyok, not 0.
14956 This should avoid the enumerated-type warnings reported
14957 by Nelson H. F. Beebe in
14958 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
14959
14960 * lib/bbitset.h (BITSET_INLINE): Remove.
14961 * lib/bitset.h [! BITSET_INLINE]: Remove.
14962 (bitset_set, bitset_reset, bitset_test): Rename local vars
14963 to avoid shadowing warnings by GCC.
14964
14965 * data/glr.c (inline): Remove #define. It's the user's
14966 responsibility to #define it away, just like 'const'.
14967 This fixes one of the bugs reported by Nelson H. F. Beebe in
14968 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
14969
14970 * Makefile.maint (po-check): Scan .l and .y files instead of the
14971 .c and the .h files that they generate. This fixes the bug
14972 reported by Tim Van Holder in:
14973 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
14974 Look for N_ as well as for _. Try to avoid matching #define for
14975 N_ and _.
14976 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
14977 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
14978 * src/scan-gram.l: Revamp regular expressions so that " and '
14979 do not confuse xgettext.
14980
14981 * src/struniq.h (struniq_new): Do not declare the return type
14982 to be 'const'; this violates the C standard.
14983 * src/struniq.c (struniq_new): Likewise.
14984
14985 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
14986
14987 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
14988 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
14989 linker.
14990
14991 2002-11-12 Akim Demaille <akim@epita.fr>
14992
14993 * Makefile.maint: Sync with Autoconf:
14994 (local_updates): New.
14995
14996 2002-11-12 Akim Demaille <akim@epita.fr>
14997
14998 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
14999
15000 2002-11-12 Akim Demaille <akim@epita.fr>
15001
15002 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
15003 locations.
15004
15005 2002-11-12 Akim Demaille <akim@epita.fr>
15006
15007 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
15008 not yyvalue.
15009
15010 2002-11-12 Akim Demaille <akim@epita.fr>
15011
15012 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
15013 Use it to test the GLR parser.
15014
15015 2002-11-12 Akim Demaille <akim@epita.fr>
15016
15017 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
15018 defines it.
15019 * data/glr.c (yystos): New.
15020 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
15021 (YYDSYMPRINT): New.
15022 (yyval): Don't define it, it is handled via M4.
15023 (yyrecoverParseError): Free verbosely the discarded symbols.
15024 * data/yacc.c (yysymprint): Remove, rather...
15025 (b4_yysymprint_generate): invoke.
15026 * data/c.m4 (b4_yysymprint_generate): New.
15027 Accept pointers as arguments, as opposed to the version from
15028 yacc.c.
15029 (b4_yydestruct_generate): Likewise.
15030 * tests/cations.at (Printers and Destructors): Use Bison directives
15031 instead of CPP macros.
15032 Don't rely on internal details.
15033
15034 2002-11-12 Akim Demaille <akim@epita.fr>
15035
15036 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
15037 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
15038 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
15039 it against YYEMPTY and so forth), work on yytoken (i.e., set
15040 it to YYEMPTY etc.).
15041 (yydestruct): Replace with a b4_yydestruct_generate invocation.
15042 (b4_symbol_actions): Remove.
15043 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
15044 for 0, end-of-input.
15045
15046 2002-11-12 Akim Demaille <akim@epita.fr>
15047
15048 * doc/bison.texinfo (Destructor Decl): New.
15049
15050 2002-11-12 Akim Demaille <akim@epita.fr>
15051
15052 * src/tables.c (tables_generate): Use free for pointers that
15053 cannot be NULL, not XFREE.
15054 (pack_vector): Use assert, not fatal, for bound violations.
15055 * src/state.c (state_new): Likewise.
15056 * src/reader.c (reader): Likewise.
15057 * src/lalr.c (set_goto_map): Likewise.
15058 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
15059 the file name.
15060
15061 2002-11-12 Akim Demaille <akim@epita.fr>
15062
15063 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
15064 Restore.
15065 * src/scan-gram.l (last_string): Is global to the file, not to
15066 yylex.
15067 * src/parse-gram.y (input): Don't append the epilogue here,
15068 (epilogue.opt): do it here, and free the scanner's obstack.
15069 * src/reader.c (epilogue_set): Rename as...
15070 (epilogue_augment): this.
15071 * data/c.m4 (b4_epilogue): Defaults to empty.
15072
15073 2002-11-12 Akim Demaille <akim@epita.fr>
15074
15075 * src/getargs.c (long_options): Remove duplicates.
15076 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
15077 Remove.
15078 * doc/bison.rnh: Remove.
15079 * doc/bison.texinfo (VMS Invocation): Remove.
15080
15081 2002-11-12 Akim Demaille <akim@epita.fr>
15082
15083 * src/struniq.h, src/struniq.c (struniq_t): Is const.
15084 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
15085
15086 Use struniq for symbols.
15087
15088 * src/symtab.h (symbol_t): The tag member is a struniq.
15089 (symbol_type_set): Adjust.
15090 * src/symtab.c (symbol_new): Takes a struniq.
15091 (symbol_free): Don't free the tag member.
15092 (hash_compare_symbol_t, hash_symbol_t): Rename as...
15093 (hash_compare_symbol, hash_symbol): these.
15094 Use the fact that tags as struniqs.
15095 (symbol_get): Use struniq_new.
15096 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
15097 Returns a strniq.
15098 * src/reader.h (merger_list, grammar_currentmerge_set): The name
15099 and type members are struniqs.
15100 * src/reader.c (get_merge_function)
15101 (grammar_current_rule_merge_set): Adjust.
15102 (TYPE, current_type): Are struniq.
15103
15104 Use struniq for file names.
15105
15106 * src/files.h, src/files.c (infile): Split into...
15107 (grammar_file, current_file): these.
15108 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
15109 * src/reduce.c (reduce_print): Likewise.
15110 * src/getargs.c (getargs): Likewise.
15111 * src/complain.h, src/complain.c: Likewise.
15112 * src/main.c (main): Call struniqs_new early enough to use it for
15113 file names.
15114 Don't free the input file name.
15115
15116 2002-11-12 Akim Demaille <akim@epita.fr>
15117
15118 * src/symtab.c (symbol_free): Remove dead deactivated code:
15119 type_name are properly removed.
15120 Don't use XFREE to free items that cannot be NULL.
15121 * src/struniq.h, src/struniq.c: New.
15122 * src/main.c (main): Initialize/free struniqs.
15123 * src/parse-gram.y (%union): Add astruniq member.
15124 (yyprint): Adjust.
15125 * src/scan-gram.l (<{tag}>): Return a struniq.
15126 Free the obstack bit that used to store it.
15127 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
15128
15129 2002-11-11 Paul Eggert <eggert@twinsun.com>
15130
15131 Revamp to fix many (but not all) of the C- and M4-related quoting
15132 problems. Among other things, this fixes the Bison bug reported
15133 by Jan Hubicka when processing the Bash grammar; see:
15134 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
15135
15136 Use new @ escapes consistently. Represent brackets with @{ and @}
15137 rather than @<:@ and @:>@, since this works a bit better with dumb
15138 editors like vi. Represent @ with @@, since @ is now consistently
15139 an escape. Use @oline@ and @ofile@ rather than __oline__ and
15140 __ofile__, to avoid unexpected expansions. Similarly, use @output
15141 rather than #output.
15142
15143 * data/c.m4 (b4_copyright): Omit file name from comment, since
15144 the file name could contain "*/".
15145 (b4_synclines_flag): Don't quote the 2nd argument; it should already
15146 be quoted. All uses changed.
15147
15148 * data/glr.c: Use new @ escapes consistently.
15149 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
15150 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
15151 Remove, since they couldn't handle arbitrary characters in file
15152 names.
15153 * data/lalr1.cc: Likewise.
15154 * data/yacc.c: Likewise.
15155
15156 * src/files.c (output_infix): Remove; all uses removed.
15157 * src/files.h: Likewise.
15158
15159 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
15160 mishandled funny characters in file names, and anyway it isn't
15161 needed any more.
15162 * data/yacc.c: Likewise.
15163 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
15164
15165 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
15166 * data/yacc.c: Likewise.
15167
15168 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
15169 strings now.
15170 (muscle_init): Quote filename as a C string.
15171 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
15172 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
15173 * src/output.c (escaped_file_name_output): New function.
15174 (prepare_symbols): Quote tokens for M4.
15175 (prepare): Don't insert output_infix, output_prefix,
15176 output_parser_name, output_header_name; this is now down by scan-skel.
15177 Insert skeleton as a C string.
15178
15179 * src/output.c (user_actions_output, symbol_destructors_output,
15180 symbol_printers_output): Quote filenames for C and M4.
15181 * src/reader.c (prologue_augment, epilogue_set): Likewise.
15182
15183 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
15184 escapes other than \\ and \'; this simplifies the code.
15185 (<SC_STRING>): Likewise, for \\ and \".
15186 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
15187 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
15188 Use new escapes @{ and @} for [ and ].
15189
15190 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
15191 them with auto vars.
15192 Switch to new escape scheme, where @ is the escape character uniformly.
15193 Abort if a stray escape character is found. Avoid unbounded input
15194 buffer when parsing non-escaped text.
15195
15196 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
15197 __oline__, #output, $@, and @{ do not have unintended meanings.
15198
15199 2002-11-09 Paul Eggert <eggert@twinsun.com>
15200
15201 Fix the test failure due to GCC warnings described in
15202 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
15203 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
15204 evaluate to 0 if it's impossible for NINF to be in the respective
15205 table.
15206 (yygetLRActions, yyrecoverParseError): Use them.
15207
15208 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
15209 counted in the token inserted at end of file. Now takes
15210 location_t *, not location_t, so that the location can be
15211 adjusted. All uses changed.
15212
15213 * tests/regression.at (Invalid inputs): Adjust wording in
15214 diagnostic to match the new behavior.
15215
15216 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
15217 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
15218 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
15219 abort ();'. This reduces the runtime of the "Many lookaheads"
15220 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
15221 GCC 3.2.
15222
15223 2002-11-07 Paul Eggert <eggert@twinsun.com>
15224
15225 * src/parse-gram.y (CHARACTER): Remove unused token.
15226 All uses removed.
15227
15228 * src/scan-gram.l: Remove stack option. We no longer use the
15229 stack, since the stack was never deeper than 1; instead, use the
15230 new auto var c_context to record the stacked value.
15231
15232 Remove nounput option. At an unexpected end of file, we now unput
15233 the minimal input necessary to end cleanly; this simplifies the
15234 code.
15235
15236 Avoid unbounded token sizes where this is easy.
15237
15238 (unexpected_end_of_file): New function.
15239 Use it to systematize the error message on unexpected EOF.
15240 (last-string): Now auto, not static.
15241 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
15242 (scanner_last_string_free): Remove; not used.
15243 (percent_percent_count): Move decl to just before use.
15244 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
15245 not the (never otherwised-used) CHARACTER.
15246
15247 2002-11-07 Akim Demaille <akim@epita.fr>
15248
15249 Let yyerror always receive the msg as last argument, so that
15250 yyerror can be variadic.
15251
15252 * data/yacc.c (b4_yyerror_args): New.
15253 Use it when calling yyerror.
15254 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
15255 Use it when calling yyerror.
15256 * doc/bison.texinfo (Error Reporting): Adjust.
15257 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
15258 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
15259
15260 2002-11-06 Akim Demaille <akim@epita.fr>
15261
15262 #line should have quoted strings.
15263 Ideally, this should be done by m4_quotearg.
15264
15265 * src/scan-skel.l: Include quotearg.h.
15266 Quote __ofile__.
15267 * src/output.c (symbol_printers_output)
15268 (symbol_destructors_output): Quote the file name.
15269
15270 2002-11-06 Akim Demaille <akim@epita.fr>
15271
15272 * tests/regression.at (Invalid inputs): Adjust to the recent
15273 messages.
15274
15275 2002-11-06 Akim Demaille <akim@epita.fr>
15276
15277 Restore --no-lines.
15278 Reported by Jim Kent.
15279
15280 * data/c.m4 (b4_syncline): New.
15281 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
15282 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
15283 * src/output.c (user_actions_output): Likewise.
15284 (prepare): Define 'b4_synclines_flag'.
15285 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
15286
15287 2002-11-06 Akim Demaille <akim@epita.fr>
15288
15289 * src/main.c (main): Free `infile'.
15290 * src/scan-gram.l (handle_syncline): New.
15291 Recognize `#line'.
15292 * src/output.c (user_actions_output, symbol_destructors_output)
15293 (symbol_printers_output): Use the location's file name, not
15294 infile.
15295 * src/reader.c (prologue_augment, epilogue_set): Likewise.
15296
15297 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15298
15299 * src/tables.c (matching_state): Don't allow states to match if
15300 either has GLR conflict entries.
15301
15302 2002-11-05 Paul Eggert <eggert@twinsun.com>
15303
15304 * src/scan-gram.l: Use more accurate diagnostics, e.g.
15305 "integer out of range" rather than "invalid value".
15306 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
15307 accordingly.
15308
15309 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
15310 Also, remove one static variable in the scanner.
15311
15312 * src/scan-gram.l (braces_level): Now auto, not static.
15313 Initialize to zero if the compiler is being picky.
15314 (INITIAL): Clear braces_level instead of incrementing it.
15315 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
15316 as POSIX 1003.1-2001 requires.
15317 * src/system.h (IF_LINT): New macro, taken from coreutils.
15318 * configure.ac: Define "lint" if --enable-gcc-warnings.
15319
15320 2002-11-05 Akim Demaille <akim@epita.fr>
15321
15322 * src/scan-gram.l: When it starts with `%', complain about the
15323 whole directive, not just that `invalid character: %'.
15324
15325 2002-11-04 Akim Demaille <akim@epita.fr>
15326
15327 * Makefile.maint: Update from Autoconf.
15328 (update, cvs-update, po-update, do-po-update): New.
15329
15330 2002-11-04 Akim Demaille <akim@epita.fr>
15331
15332 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
15333 and yyerror.
15334 Have yyerror `use' its arguments.
15335 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
15336 returns true when location & yacc & pure & parse-param.
15337 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
15338
15339 2002-11-04 Akim Demaille <akim@epita.fr>
15340
15341 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
15342 clashes.
15343 * src/scan-gram.l: Use [\'] instead of ['] to pacify
15344 font-lock-mode.
15345 Use complain_at.
15346 Use quote, not quote_n since LOCATION_PRINT no longer uses the
15347 slot 0.
15348
15349 2002-11-03 Paul Eggert <eggert@twinsun.com>
15350
15351 * src/reader.c (get_merge_function, grammar_current_rule_check):
15352 Use consistent diagnostics for reporting type name clashes.
15353 Quote the types with <>, for consistency with Yacc.
15354 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
15355
15356 2002-11-03 Akim Demaille <akim@epita.fr>
15357
15358 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
15359 New.
15360 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
15361 (b4_parse_param): Remove.
15362 Use b4_identification.
15363 Propagate b4_pure_args where needed to pass them to yyerror.
15364 * data/glr.m4 (b4_parse_param): Remove.
15365 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
15366 (b4_lpure_formals): New.
15367 Use b4_identification.
15368 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
15369 b4_user_formals and b4_user_args.
15370 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
15371 (yyreportAmbiguity): When using a pure parser, also need
15372 the location, and the parse-params.
15373 Adjust callers.
15374 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
15375 When using a pure parser, also need the parse-params.
15376 Adjust callers.
15377 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
15378 (%pure-parser + %parse-param) LALR and GLR parsers.
15379 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
15380 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
15381 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
15382 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
15383 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
15384 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
15385 * doc/bison.texinfo: Untabify the whole file.
15386 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
15387 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
15388 (Error Reporting): Adjust to these new directives.
15389 Document %error-verbose, deprecate YYERROR_VERBOSE.
15390
15391 2002-11-03 Akim Demaille <akim@epita.fr>
15392
15393 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
15394 AT_CHECK_CALC_GLR invocations to use % directives, instead of
15395 command line options.
15396 * tests/cxx-type.at: Formatting changes.
15397
15398 2002-11-03 Paul Eggert <eggert@twinsun.com>
15399
15400 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
15401 to count columns correctly, and to check for invalid inputs.
15402
15403 Use mbsnwidth to count columns correctly. Account for tabs, too.
15404 Include mbswidth.h.
15405 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
15406 (extend_location): New function.
15407 (YY_LINES): Remove.
15408
15409 Handle CRLF in C code rather than in Lex code.
15410 (YY_INPUT): New macro.
15411 (no_cr_read): New function.
15412
15413 Scan UCNs, even though we don't fully handle them yet.
15414 (convert_ucn_to_byte): New function.
15415
15416 Handle backslash-newline correctly in C code.
15417 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
15418 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
15419 all uses changed.
15420 (tag, splice): New EREs. Do not allow NUL or newline in tags.
15421 Use {splice} wherever C allows backslash-newline.
15422 YY_STEP after space, newline, vertical-tab.
15423 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
15424
15425 (letter, id): Don't assume ASCII; e.g., spell out a-z.
15426
15427 ({int}, handle_action_dollar, handle_action_at): Check for integer
15428 overflow.
15429
15430 (YY_STEP): Omit trailing semicolon, so that it's more like C.
15431
15432 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
15433 as well as \000. Check for UCHAR_MAX, not 255.
15434 Allow \x with an arbitrary positive number of digits, as in C.
15435 Check for overflow here.
15436 Allow \? and UCNs, for compatibility with C.
15437
15438 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
15439 with quote slot used by complain_at.
15440
15441 * tests/input.at: Add tests for backslash-newline, m4 quotes
15442 in symbols, long literals, and funny escapes in strings.
15443
15444 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
15445 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
15446 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
15447 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
15448 * m4/mbswidth.m4: New file, from GNU coreutils.
15449
15450 * doc/bison.texinfo (Grammar Outline): Document // comments.
15451 (Symbols): Document that trigraphs have no special meaning in Bison,
15452 nor is backslash-newline allowed.
15453 (Actions): Document that trigraphs have no special meaning.
15454
15455 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
15456 no longer used.
15457
15458 2002-11-02 Paul Eggert <eggert@twinsun.com>
15459
15460 * src/reader.c: Don't include quote.h; not needed.
15461 (get_merge_function): Reword warning to be consistent with
15462 type clash diagnostic in grammar_current_rule_check.
15463
15464 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
15465 bug in trigraph handling.
15466
15467 * src/output.c (prepare_symbols): When printing token names,
15468 escape "[" as "@<:@" and likewise for "]".
15469
15470 * src/system.h (errno): Remove declaration, as we are now
15471 assuming C89 or better, and C89 guarantees errno.
15472
15473 2002-10-30 Paul Eggert <eggert@twinsun.com>
15474
15475 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
15476 Check for close failures.
15477 * src/files.h (xfclose): Return void, not int, since it always
15478 returned zero.
15479 * src/files.c (xfclose): Likewise. Report I/O error if ferror
15480 indicates one.
15481 * src/output.c (output_skeleton): Use xfclose rather than fclose
15482 and ferror. xfclose now checks ferror.
15483
15484 * data/glr.c (YYLEFTMOST_STATE): Remove.
15485 (yyreportTree): Use a stack-based leftmost state. This avoids
15486 our continuing battles with bogus warnings about initializers.
15487
15488 2002-10-30 Akim Demaille <akim@epita.fr>
15489
15490 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
15491 #if.
15492
15493 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15494
15495 * tests/glr-regr1.at: New test for reported regressions.
15496 * tests/testsuite.at: Add glr-regr1.at test.
15497 * tests/Makefile.am: Add glr-regr1.at test.
15498
15499 2002-10-24 Paul Eggert <eggert@twinsun.com>
15500
15501 Version 1.75a.
15502
15503 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
15504 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
15505 we use malloc. Don't assume 'A' through 'Z' are contiguous.
15506 Don't assume strdup exists; POSIX says its an XSI extension.
15507 Check for buffer overflow on input.
15508
15509 2002-10-24 Akim Demaille <akim@epita.fr>
15510
15511 * src/output.c (output_skeleton): Don't disable M4sugar comments
15512 too soon: it results in comments being expanded.
15513 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
15514 first output.
15515
15516 2002-10-24 Akim Demaille <akim@epita.fr>
15517
15518 * data/yacc.c (m4_int_type): New.
15519 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
15520 char' as only yacc.c wants K&R portability.
15521 * data/glr.c (yysigned_char): Remove.
15522 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
15523 Reported by Quoc Peyrot.
15524
15525 2002-10-23 Paul Eggert <eggert@twinsun.com>
15526
15527 * src/main.c (main): With --trace=time, report times even if a
15528 non-fatal error occurs. Formerly, the times were reported in some
15529 such cases but not in others.
15530 * src/reader.c (reader): Just return if a complaint has been issued,
15531 instead of exiting, so that 'main' can report times.
15532
15533 2002-10-22 Akim Demaille <akim@epita.fr>
15534
15535 * src/system.h: Include sys/types.
15536 Reported by Bert Deknuydt.
15537
15538 2002-10-23 Paul Eggert <eggert@twinsun.com>
15539
15540 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
15541 Suggested by Art Haas.
15542
15543 2002-10-22 Paul Eggert <eggert@twinsun.com>
15544
15545 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
15546 decl; not needed any more.
15547 * src/main.c (main): Use return to exit, undoing yesterday's change.
15548 The last OS that we could find where this wouldn't work is
15549 SunOS 3.5, and that's too old to worry about now.
15550
15551 * data/glr.c (struct yyltype): Define members even when not
15552 doing locations. This is more consistent with yacc.c, and it
15553 works around the following bug reports:
15554 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
15555 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
15556
15557 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
15558 @acronym consistently. Standardize on "Yacc" instead of "YACC",
15559 "Algol" instead of "ALGOL". Give a bit more history about BNF.
15560
15561 2002-10-22 Akim Demaille <akim@epita.fr>
15562
15563 * data/README: New.
15564
15565 2002-10-21 Paul Eggert <eggert@twinsun.com>
15566
15567 Be consistent about 'bool'; the old code used an enum in one
15568 module and an int in another, and this violates the C standard.
15569 * m4/stdbool.m4: New file, from coreutils 4.5.3.
15570 * configure.ac (AC_HEADER_STDBOOL): Add.
15571 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
15572 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
15573 * src/symtab.c (hash_compare_symbol_t): Likewise.
15574 * src/system.h (bool, false, true): Use a definition consistent
15575 with ../lib/hash.c. All uses changed.
15576
15577 * src/complain.c (warning_issued): Renamed from warn_message_count,
15578 so that we needn't worry about integer overflow (!).
15579 Now of type bool. All uses changed.
15580 (complaint_issued): Renamed from complain_message_count; likewise.
15581
15582 * src/main.c (main): Use exit to exit with failure.
15583
15584 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
15585 rather than 1 and 0.
15586 * src/main.c (main): Likewise.
15587 * src/getargs.c (getargs): Likewise.
15588 * src/reader.c (reader): Likewise.
15589
15590 * src/getarg.c (getargs): Remove duplicate code for
15591 "Try `bison --help'".
15592
15593 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
15594 What was that "2" for?
15595
15596 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
15597 * src/getargs.c (usage): Likewise.
15598
15599 * src/getargs.c (getargs): When there are too few operands, report
15600 the last one. When there are too many, report the first extra
15601 one. This is how diffutils does it.
15602
15603 2002-10-20 Paul Eggert <eggert@twinsun.com>
15604
15605 Remove K&R vestiges.
15606 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
15607 * src/complain.c (VA_START): Remove. Assume prototypes.
15608 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
15609 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
15610 fatal): Assume prototypes.
15611 * src/complain.h: Assume prototypes.
15612 * src/system.h (PARAMS): Remove.
15613 Include <limits.h> unconditionally, since it's guaranteeed even
15614 for a freestanding C89 compiler.
15615 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
15616 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
15617
15618 2002-10-20 Akim Demaille <akim@epita.fr>
15619
15620 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
15621 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
15622 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
15623 (yyresolveStates, yyresolveAction, yyresolveStack)
15624 (yyprocessOneStack): Use them.
15625 (yy_reduce_print): New.
15626 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
15627
15628 2002-10-20 Akim Demaille <akim@epita.fr>
15629
15630 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
15631 arguments and output `void'.
15632 (b4_c_function): Rename as...
15633 (b4_c_function_def): this.
15634 (b4_c_function_decl, b4_c_ansi_function_def)
15635 (b4_c_ansi_function_decl): New.
15636 Change the interpretation of the arguments: before `int, foo', now
15637 `int foo, foo'.
15638 * data/yacc.c (yyparse): Prototype and define thanks to these.
15639 Adjust b4_c_function_def uses.
15640 * data/glr.c (yyparse): Likewise, but ANSI only.
15641
15642 2002-10-20 Akim Demaille <akim@epita.fr>
15643
15644 * src/output.c (prepare): Move the definition of `tokens_number',
15645 `nterms_number', `undef_token_number', `user_token_number_max'
15646 to...
15647 (prepare_tokens): Here.
15648 (prepare_tokens): Rename as...
15649 (prepare_symbols): this.
15650 (prepare): Move the definition of `rules_number' to...
15651 (prepare_rules): here.
15652 (prepare): Move the definition of `last', `final_state_number',
15653 `states_number' to...
15654 (prepare_states): here.
15655 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
15656
15657 2002-10-20 Akim Demaille <akim@epita.fr>
15658
15659 * src/tables.h, src/tables.c, src/output.c: Comment changes.
15660
15661 2002-10-20 Akim Demaille <akim@epita.fr>
15662
15663 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
15664 * data/c.m4: here.
15665
15666 2002-10-20 Akim Demaille <akim@epita.fr>
15667
15668 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
15669 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
15670 `pair'.
15671 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
15672 `name' to...
15673 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
15674 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
15675 These.
15676
15677 2002-10-19 Paul Eggert <eggert@twinsun.com>
15678
15679 Do not create a temporary file, as that involves security and
15680 cleanup headaches. Instead, use a pair of pipes.
15681 Derived from a suggestion by Florian Krohm.
15682 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
15683 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
15684 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
15685 (BISON_PREREQ_SUBPIPE): Add.
15686 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
15687 Add subpipe.h, subpipe.c.
15688 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
15689 * po/POTFILES.in: Add lib/subpipe.c.
15690 * src/output.c: Include "subpipe.h".
15691 (m4_invoke): Remove decl.
15692 (scan_skel): New decl.
15693 (output_skeleton): Use pipe rather than temporary file for m4 input.
15694 Check that m4sugar.m4 is readable, to avoid deadlock.
15695 Check for pipe I/O error.
15696 * src/scan-skel.l (readpipe): Remove decl.
15697 (scan_skel): New function, to be used in place of m4_invoke.
15698 Read from stream rather than file.
15699
15700 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
15701 float, as this generates a warning on Solaris 8 + GCC 3.2 with
15702 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
15703 this generates a more-accurate value anyway.
15704
15705 * lib/timevar.c (timervar_accumulate): Rename locals to
15706 avoid confusion with similarly-named more-global.
15707 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
15708
15709 * src/output.c (prepare): Use xstrdup to convert char const *
15710 to char *, to avoid GCC warning.
15711
15712 2002-10-19 Akim Demaille <akim@epita.fr>
15713
15714 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
15715 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
15716 Use them to have `calc.y' ready for %pure-parser.
15717 * data/yacc.c (YYLEX): Pass a yylex return type to
15718 b4_c_function_call.
15719
15720 2002-10-19 Akim Demaille <akim@epita.fr>
15721
15722 Prototype support of %lex-param and %parse-param.
15723
15724 * src/parse-gram.y: Add the definition of the %lex-param and
15725 %parse-param tokens, plus their rules.
15726 Drop the `_' version of %glr-parser.
15727 Add the "," token.
15728 * src/scan-gram.l (INITIAL): Scan them.
15729 * src/muscle_tab.c: Comment changes.
15730 (muscle_insert, muscle_find): Rename `pair' as `probe'.
15731 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
15732 (muscle_entry_s): The `value' member is no longer const.
15733 Adjust all dependencies.
15734 * src/muscle_tab.c (muscle_init): Adjust: use
15735 MUSCLE_INSERT_STRING.
15736 Initialize the obstack earlier.
15737 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
15738 (muscle_pair_list_grow): New.
15739 * data/c.m4 (b4_c_function_call, b4_c_args): New.
15740 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
15741 * tests/calc.at: Use %locations, not --locations.
15742 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
15743
15744 2002-10-19 Akim Demaille <akim@epita.fr>
15745
15746 * src/getargs.c (usage): Take status as argument and exit
15747 accordingly.
15748 Report the traditional `Try ... --help' message when status != 0.
15749 (usage, version): Don't take a FILE * as arg, it is pointless.
15750 (getargs): When there is an incorrect number of arguments, make it
15751 an error, and report it GNUlically thanks to `usage ()'.
15752
15753 2002-10-18 Paul Eggert <eggert@twinsun.com>
15754
15755 * data/glr.c (yyreportParseError): Don't assume that sprintf
15756 yields the length of the printed string, as this is not true
15757 on SunOS 4.1.4. Reported by Peter Klein.
15758
15759 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
15760 * tests/conflicts.at (%nonassoc and eof): Likewise.
15761 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
15762
15763 2002-10-17 Akim Demaille <akim@epita.fr>
15764
15765 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
15766 * src/getargs.c (trace_types, trace_args): Adjust.
15767 * src/reader.c (grammar_current_rule_prec_set)
15768 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
15769 Standardize error messages.
15770 And s/@prec/%prec/!
15771 (reader): Use trace_flag to enable scanner/parser debugging,
15772 instead of an adhoc scheme.
15773 * src/scan-gram.l: Remove trailing debugging code.
15774
15775 2002-10-16 Paul Eggert <eggert@twinsun.com>
15776
15777 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
15778 MUSCLE_TAB_H.
15779
15780 * NEWS: Officially drop support for building Bison with K&R C,
15781 since it didn't work anyway and it's not worth worrying about.
15782 * Makefile.maint (wget_files): Remove ansi2knr.c.
15783 (ansi2knr.c-url_prefix): Remove.
15784 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
15785 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
15786 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
15787
15788 2002-10-15 Paul Eggert <eggert@twinsun.com>
15789
15790 Stop using the "enum_" trick for K&R-style function definitions;
15791 it confused me, and I was the author! Instead, assume that people
15792 who want to use K&R C compilers (when using these modules in GCC,
15793 perhaps?) will run ansi2knr.
15794
15795 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
15796 All uses of "enum_" changed to "enum ".
15797 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
15798 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
15799
15800 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
15801 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
15802 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
15803 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
15804 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
15805 abitset_not, abitset_ones, abitset_or, abitset_or_and,
15806 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
15807 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
15808 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
15809 Use function prototypes; this removes the need for declaring
15810 static functions simply to provide their prototypes.
15811 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
15812 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
15813 bitset_count_, bitset_create, bitset_dump, bitset_first,
15814 bitset_free, bitset_init, bitset_last, bitset_next,
15815 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
15816 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
15817 bitset_print, bitset_release_memory, bitset_toggle_,
15818 bitset_type_choose, bitset_type_get, bitset_type_name_get,
15819 debug_bitset): Likewise.
15820 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
15821 * lib/bitset_stats.c (bitset_log_histogram_print,
15822 bitset_percent_histogram_print, bitset_stats_and,
15823 bitset_stats_and_cmp, bitset_stats_and_or,
15824 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
15825 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
15826 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
15827 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
15828 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
15829 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
15830 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
15831 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
15832 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
15833 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
15834 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
15835 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
15836 bitset_stats_zero): Likewise.
15837 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
15838 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
15839 bitsetv_dump, debug_bitsetv): Likewise.
15840 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
15841 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
15842 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
15843 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
15844 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
15845 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
15846 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
15847 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
15848 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
15849 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
15850 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
15851 Likewise.
15852 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
15853 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
15854 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
15855 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
15856 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
15857 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
15858 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
15859 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
15860 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
15861 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
15862 lbitset_xor_cmp, lbitset_zero): Likewise.
15863
15864 2002-10-14 Akim Demaille <akim@epita.fr>
15865
15866 Version 1.75.
15867
15868 2002-10-14 Akim Demaille <akim@epita.fr>
15869
15870 * tests/Makefile.am (maintainer-check-posix): New.
15871
15872 2002-10-14 Akim Demaille <akim@epita.fr>
15873
15874 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
15875 member.
15876
15877 2002-10-14 Akim Demaille <akim@epita.fr>
15878
15879 * src/tables.c (table_ninf_remap): base -> tab.
15880 Reported by Matt Rosing.
15881
15882 2002-10-14 Paul Eggert <eggert@twinsun.com>
15883
15884 * tests/action.at, tests/calc.at, tests/conflicts.at,
15885 tests/cxx-type.at, tests/headers.at, tests/input.at,
15886 tests/regression.at, tests/synclines.at, tests/torture.at:
15887 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
15888 so that the tests still work even if POSIXLY_CORRECT is set.
15889 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
15890
15891 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
15892 for portability to K&R hosts. Fix typo: signed char is guaranteed
15893 only to 127, not to 128.
15894 * data/glr.c (yysigned_char): New type.
15895 * data/yacc.c (yysigned_char): Likewise.
15896 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
15897
15898 2002-10-13 Paul Eggert <eggert@twinsun.com>
15899
15900 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
15901 true due to limited range of data type" warning from GCC.
15902
15903 * data/c.m4 (b4_token_defines): Protect against double-inclusion
15904 by wrapping enum yytokentype's definition inside #ifndef
15905 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
15906
15907 2002-10-13 Akim Demaille <akim@epita.fr>
15908
15909 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
15910 Un yy- yyrhs to avoid the name clash with the global YYRHS.
15911
15912 2002-10-13 Akim Demaille <akim@epita.fr>
15913
15914 * Makefile.maint: Update from Autoconf 2.54.
15915 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
15916
15917 2002-10-13 Akim Demaille <akim@epita.fr>
15918
15919 * src/print.c (print_state): Separate the list of solved conflicts
15920 from the other items.
15921 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
15922
15923 2002-10-13 Akim Demaille <akim@epita.fr>
15924
15925 Let nondeterministic skeletons be usable with deterministic
15926 tables.
15927
15928 With the patch, GAWK compiled by GCC without -O2 passes its test
15929 suite using a GLR parser driven by LALR tables. It fails with -O2
15930 because `struct stat' gives two different answers on my machine:
15931 88 (definition of an auto var) and later 96 (memset on this var).
15932 Hence the stack is badly corrumpted. The headers inclusion is to
15933 blame: if I move the awk.h inclusion before GLR's system header
15934 inclusion, the two struct stat have the same size.
15935
15936 * src/tables.c (pack_table): Always create conflict_table.
15937 (token_actions): Always create conflict_list.
15938 * data/glr.c (YYFLAG): Remove, unused.
15939
15940 2002-10-13 Akim Demaille <akim@epita.fr>
15941
15942 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
15943 (O0FLAGS): New.
15944 (VALGRIND, GXX): New.
15945 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
15946 * tests/bison.in: Run $PREBISON a pre-command.
15947 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
15948 (maintainer-check-g++): New.
15949 * Makefile.am (maintainer-check): New.
15950
15951 2002-10-13 Akim Demaille <akim@epita.fr>
15952
15953 * data/glr.c: Formatting changes.
15954 Tweak some trace messages to match yacc.c's.
15955
15956 2002-10-13 Akim Demaille <akim@epita.fr>
15957
15958 GLR parsers sometimes raise parse errors instead of performing the
15959 default reduction.
15960 Reported by Charles-Henry de Boysson.
15961
15962 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
15963 check the length of the traces when %glr.
15964 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
15965 GLR's traces.
15966 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
15967 Test GLR parsers.
15968 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
15969 (yyltype): Remove the yy prefix from the member names.
15970 (yytable): Complete its comment.
15971 (yygetLRActions): Map error action number from YYTABLE from
15972 YYTABLE_NINF to 0.
15973 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
15974 (which was a bug: it should have been YYTABEL_NINF, and yet it was
15975 not satisfying as we could compare an YYACTION computed from
15976 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
15977 only value for error actions.
15978 (yyreportParseError): In verbose parse error messages, don't issue
15979 `error' in the list of expected tokens.
15980 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
15981 next action to perform to match glr.c's decoding.
15982 (yytable): Complete its comment.
15983
15984 2002-10-13 Paul Eggert <eggert@twinsun.com>
15985
15986 Fix problem reported by Henrik Grubbstroem in
15987 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
15988 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
15989 because the Bison parser reads the second action before reducing
15990 the first one.
15991 * src/scan-gram.l (rule_length): New static var.
15992 Use it to keep track of the rule length in the scanner, since
15993 we can't expect the parser to be in lock-step sync with the scanner.
15994 (handle_action_dollar, handle_action_at): Use this var.
15995 * tests/actions.at (Exotic Dollars): Test for the problem.
15996
15997 2002-10-12 Paul Eggert <eggert@twinsun.com>
15998
15999 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
16000 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
16001 Include <sys/time.h> when checking for clock_t and struct tms.
16002 Use same include order as source.
16003 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
16004 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
16005
16006 * lib/timevar.c: Update copyright date and clarify comments.
16007 (get_time) [IN_GCC]: Keep the GCC version for reference.
16008
16009 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
16010 GCC version as of today, then merge Bison's changes.
16011 Change "GCC" to "Bison" in copyright notice. timevar.def's
16012 author is Akim, so change that too.
16013
16014 * src/reader.c (grammar_current_rule_check):
16015 Don't worry about the default action if $$ is untyped.
16016 Prevents bogus warnings reported by Jim Gifford in
16017 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
16018
16019 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
16020 * data/glr.c, data/lalr1.cc, data/yacc.c:
16021 Output token definitions before the first part of user declarations.
16022 Fixes compatibility problem reported by Jim Gifford for kbd in
16023 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
16024
16025 2002-10-11 Paul Eggert <eggert@twinsun.com>
16026
16027 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
16028 (yyparse): here. This undoes some of the 2002-07-25 change.
16029 Compatibility problem reported by Ralf S. Engelschall with
16030 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
16031
16032 2002-10-11 Akim Demaille <akim@epita.fr>
16033
16034 * tests/regression.at Characters Escapes): New.
16035 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
16036 characters.
16037 Reported by Jan Nieuwenhuizen.
16038
16039 2002-10-11 Akim Demaille <akim@epita.fr>
16040
16041 * po/id.po: New.
16042
16043 2002-10-10 Paul Eggert <eggert@twinsun.com>
16044
16045 Portability fixes for bitsets; this also avoids several GCC
16046 warnings.
16047
16048 * lib/abitset.c: Include <stddef.h>, for offsetof.
16049 * lib/lbitset.c: Likewise.
16050
16051 * lib/abitset.c (abitset_bytes): Return a size that is aligned
16052 properly for vectors of objects. Do not assume that adding a
16053 header size to a multiple of a word size yields a value that is
16054 properly aligned for the whole union.
16055 * lib/bitsetv.c (bitsetv_alloc): Likewise.
16056
16057 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
16058 unique names for structures.
16059 * lib/ebitset.c (ebitset_bytes): Likewise.
16060 * lib/lbitset.c (lbitset_bytes): Likewise.
16061
16062 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
16063 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
16064 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
16065 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
16066 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
16067 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
16068 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
16069 to improve the type-checking that GCC can do.
16070 * lib/bitset.c (bitset_op4_cmp): Likewise.
16071 * lib/bitset_stats.c (bitset_stats_count,
16072 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
16073 bitset_stats_copy, bitset_stats_disjoint_p,
16074 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
16075 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
16076 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
16077 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
16078 bitset_stats_and_or_cmp, bitset_stats_andn_or,
16079 bitset_stats_andn_or_cmp, bitset_stats_or_and,
16080 bitset_stats_or_and_cmp): Likewise.
16081 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
16082 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
16083 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
16084 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
16085
16086 * lib/abitset.h: Include bitset.h, not bbitset.h.
16087 * lib/ebitset.h: Likewise.
16088 * lib/lbitset.h: Likewise.
16089
16090 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
16091 All instances of parameters of type enum bitset_opts are now of
16092 type enum_bitset_opts, to conform to the C Standard, and similarly
16093 for enum_bitset_type.
16094 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
16095 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
16096
16097 Do not use "struct bitset_struct" to mean different things in
16098 different modules. Not only is this confusing, it violates
16099 the C Standard, which requires that structure types in different
16100 modules must be compatible if one is to be passed to the other.
16101 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
16102 All instances of "struct bitset_struct *" replaced with "bitset".
16103 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
16104 (union bitset_union, struct abitset_struct, struct ebitset_struct,
16105 struct lbitset_struct, struct bitset_stats_struct): New types.
16106 All uses of struct bitset_struct changed to union bitset_union,
16107 etc.
16108 * lib/abitset.c (struct abitset_struct, abitset,
16109 struct bitset_struct): Remove.
16110 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
16111 struct bitset_struct): Remove.
16112 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
16113 bitset_struct): Remove.
16114 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
16115 Likewise.
16116
16117 Do not call a function of type T using a call that assumes the
16118 function is of a different type U. Standard C requires that a
16119 function must be called with a type that is compatible with its
16120 definition.
16121 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
16122 New decls.
16123 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
16124 New functions.
16125 * lib/ebitset.c (PFV): Remove.
16126 * lib/lbitset.c (PFV): Likewise.
16127 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
16128 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
16129 decls.
16130 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
16131 (ebitset_vtable): Use them.
16132 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
16133 lbitset_xor): New functions.
16134 (lbitset_vtable): Use them.
16135
16136 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
16137 Declare.
16138
16139 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
16140 GCC warning.
16141 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
16142 Use offsetof, for simplicity.
16143
16144 2002-10-06 Paul Eggert <eggert@twinsun.com>
16145
16146 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
16147 the same width as int. This reapplies a hunk of the 2002-08-12 patch
16148 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
16149 which was inadvertently undone by the 2002-09-30 patch.
16150 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
16151 the same width as int.
16152
16153 2002-10-04 Paul Eggert <eggert@twinsun.com>
16154
16155 Version 1.50.
16156
16157 * configure.ac (AC_INIT), NEWS: Increment version number.
16158
16159 * doc/bison.texinfo: Minor spelling, grammar, and white space
16160 fixes.
16161 (Symbols): Mention that any negative value returned from yylex
16162 signifies end-of-input. Warn about negative chars. Mention
16163 the portable Standard C character set.
16164
16165 The GNU coding standard says CFLAGS and YFLAGS are reserved
16166 for the installer to set.
16167 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
16168 * src/Makefile.am (AM_CFLAGS): Likewise.
16169 (AM_YFLAGS): Renamed from YFLAGS.
16170
16171 Fix some MAX and MIN problems.
16172 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
16173 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
16174 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
16175 * src/reader.c (reader): Use it.
16176
16177 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
16178 POSIX 1003.1-2001 has removed fgrep.
16179
16180 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16181
16182 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
16183 interpreted as signed.
16184 * lib/ebitset.c (ebitset_list): Fix bug.
16185
16186 2002-10-01 Paul Eggert <eggert@twinsun.com>
16187
16188 More fixes for 64-bit hosts and large bitsets.
16189
16190 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
16191 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
16192 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
16193 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
16194 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
16195 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
16196 bitset_count_): Likewise.
16197 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
16198 bitset_first, bitset_last): Likewise.
16199 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
16200 bitset_stats_list_reverse, bitset_stats_size,
16201 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
16202 Likewise.
16203 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
16204 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
16205 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
16206 bitsetv_reflexive_transitive_closure): Likewise.
16207 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
16208 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
16209 Likewise.
16210 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
16211 Likewise.
16212
16213 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
16214 Use size_t, not unsigned int, to count bytes.
16215 * lib/abitset.h (abitset_bytes): Likewise.
16216 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
16217 Likewise.
16218 * lib/bitset.h (bitset_bytes): Likewise.
16219 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
16220 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
16221 * lib/bitsetv.c (bitsetv_alloc): Likewise.
16222 * lib/ebitset.c (ebitset_bytes): Likewise.
16223 * lib/ebitset.h (ebitset_bytes): Likewise.
16224 * lib/lbitset.c (lbitset_bytes): Likewise.
16225 * lib/lbitset.h (lbitset_bytes): Likewise.
16226
16227 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
16228 abitset_subset_p, abitset_disjoint_p, abitset_and,
16229 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
16230 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
16231 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
16232 abitset_or_and, abitset_or_and_cmp):
16233 Use bitset_windex instead of unsigned int.
16234 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
16235 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
16236 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
16237 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
16238 Likewise.
16239 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
16240
16241 * lib/bitset.c (bitset_print):
16242 Use proper printf formats for widths of integer types.
16243 * lib/bitset_stats.c (bitset_percent_histogram_print,
16244 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
16245 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
16246 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
16247 * lib/lbitset.c (lbitset_bytes): Likewise.
16248
16249 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
16250 BITSET_SIZE_MAX): New macros.
16251 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
16252 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
16253 to BITSET_WINDEX_MAX.
16254
16255 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
16256 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
16257 since we now return the bitset_bindex type (not int).
16258
16259 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
16260 when computing sizes.
16261 * lib/ebitset.c (ebitset_elts_grow): Likewise.
16262
16263 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
16264 and avoid cast to unsigned.
16265
16266 2002-09-30 Akim Demaille <akim@epita.fr>
16267
16268 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
16269 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
16270 Updates from Michael Hayes.
16271
16272 2002-09-30 Art Haas <ahaas@neosoft.com>
16273
16274 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
16275 invocations.
16276 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
16277 defined.
16278
16279 2002-09-27 Akim Demaille <akim@epita.fr>
16280
16281 Version 1.49c.
16282
16283 2002-09-27 Akim Demaille <akim@epita.fr>
16284
16285 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
16286 (Because of AC_LIBSOURCE).
16287
16288 2002-09-27 Akim Demaille <akim@epita.fr>
16289
16290 Playing with Autoscan.
16291
16292 * configure.ac: Remove the old LIBOBJ tweaks.
16293 (AC_REPLACE_FUNCS): Add strrchr and strtol.
16294 * lib/strrchr.c: New.
16295 * lib/strtol.c: New, from the Coreutils 4.5.1.
16296
16297 2002-09-27 Akim Demaille <akim@epita.fr>
16298
16299 Playing with Autoscan.
16300
16301 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
16302 * lib/Makefile.am (libbison_a_SOURCES): No longer include
16303 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
16304 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
16305 Coreutils 4.5.1.
16306
16307 2002-09-24 Akim Demaille <akim@epita.fr>
16308
16309 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
16310 (Frequently Asked Questions, Parser Stack Overflow): New.
16311
16312 2002-09-13 Akim Demaille <akim@epita.fr>
16313
16314 Playing with autoscan.
16315
16316 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
16317 * src/files.c (skeleton_find): Remove, unused.
16318 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
16319 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
16320
16321 2002-09-13 Akim Demaille <akim@epita.fr>
16322
16323 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
16324 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
16325
16326 2002-09-13 Akim Demaille <akim@epita.fr>
16327
16328 * configure.ac: Require 2.54.
16329 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
16330 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
16331 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
16332 Remove, provided by Autoconf macros.
16333
16334 2002-09-12 Akim Demaille <akim@epita.fr>
16335
16336 * m4/prereq.m4: Update, from Coreutils 4.5.1.
16337
16338 2002-09-12 Akim Demaille <akim@epita.fr>
16339
16340 * m4/prereq.m4: Update, from Fileutils 4.1.5.
16341 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
16342 Reported by Martin Mokrejs.
16343
16344 2002-09-10 Akim Demaille <akim@epita.fr>
16345
16346 * src/parse-gram.y: Associate a human readable string to each
16347 token type.
16348 * tests/regression.at (Invalid inputs): Adjust.
16349
16350 2002-09-10 Gary V. Vaughan <gary@gnu.org>
16351
16352 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
16353 with an Autoconf-2.5x style configure.ac.
16354
16355 2002-09-06 Paul Eggert <eggert@twinsun.com>
16356
16357 * doc/bison.texinfo (Conditions): Make explicit that the GPL
16358 exception applies only to yacc.c. This is a modification of a
16359 patch originally suggested by Akim Demaille.
16360
16361 2002-09-06 Akim Demaille <akim@epita.fr>
16362
16363 * data/c.m4 (b4_copyright): Move the GPL exception comment from
16364 here to...
16365 * data/yacc.c: here.
16366
16367 * data/lalr1.cc (struct yyltype): Don't define it, since we use
16368 LocationType.
16369 (b4_ltype): Default to yy::Location from location.hh.
16370
16371 2002-09-04 Jim Meyering <jim@meyering.net>
16372
16373 * data/yacc.c: Guard the declaration of yytoknum also with
16374 `#ifdef YYPRINT', so it is declared only when used.
16375
16376 2002-09-04 Akim Demaille <akim@epita.fr>
16377
16378 * configure.in: Rename as...
16379 * configure.ac: this.
16380 Bump to 1.49c.
16381
16382 2002-09-04 Akim Demaille <akim@epita.fr>
16383
16384 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
16385 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
16386 translate maintainer only messages.
16387
16388 2002-08-12 Paul Eggert <eggert@twinsun.com>
16389
16390 Version 1.49b.
16391
16392 * Makefile.am (SUBDIRS): Remove intl.
16393 (DISTCLEANFILES): Remove.
16394 * NEWS: Mention that GNU M4 is now required. Clarify what is
16395 meant by "larger grammars". Mention the pt_BR translation.
16396 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
16397 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
16398 Bump version from 0.11.2 to 0.11.5.
16399 (BISON_PREREQ_STAGE): Remove.
16400 (AM_GNU_GETTEXT): Use external gettext.
16401 (AC_OUTPUT): Remove intl/Makefile.
16402
16403 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
16404
16405 * data/glr.c: Include string.h, for strlen.
16406 (yyreportParseError): Use size_t for yysize.
16407 (yy_yypstack): No longer nested inside yypstates, as nested
16408 functions are not portable. Do not assume size_t is the
16409 same width as int.
16410 (yypstates): Do not assume that ptrdiff_t is the same width
16411 as int, and similarly for yyposn and YYINDEX.
16412
16413 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
16414
16415 * lib/Makefile.am (INCLUDES): Do not include from the intl
16416 directory, which has been removed.
16417 * src/Makefile.am (INCLUDES): Likewise.
16418
16419 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
16420 (bitsets_sources, additional_bitsets_sources, timevars_sources):
16421 New vars.
16422
16423 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
16424 * tests/Makefile.am (EXTRA_DIST): Likewise.
16425
16426 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
16427 Do not assume that bitset_windex is the same width as unsigned.
16428
16429 * lib/abitset.c (abitset_unused_clear): Do not assume that
16430 bitset_word is the same width as int.
16431 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
16432 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
16433 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
16434 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
16435 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
16436
16437 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
16438 portability to one's complement hosts!).
16439 * lib/ebitset.c (ebitset_op1): Likewise.
16440 * lib/lbitset.c (lbitset_op1): Likewise.
16441
16442 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
16443 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
16444 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
16445 Sync with fileutils.
16446 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
16447 lib/gettext.h: Sync with diffutils.
16448
16449 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
16450 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
16451
16452 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
16453 PROTOTYPES to check for prototypes, and "defined __STDC__" to
16454 check for void *.
16455
16456 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
16457 size_t; the old version tried to do this but casted improperly.
16458 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
16459 (bitset_test): Now returns int, not unsigned long.
16460
16461 * lib/bitset_stats.c: Include "gettext.h".
16462 (_): New macro.
16463 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
16464 name locals "index", as it generates unnecessary warnings on some
16465 hosts that have an "index" function.
16466
16467 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
16468 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
16469 they need translation.
16470 * src/LR0.c (state_list_append, new_itemsets, get_state,
16471 append_states, generate_states): Likewise.
16472 * src/assoc.c (assoc_to_string): Likewise.
16473 * src/closure.c (print_closure, set_firsts, closure): Likewise.
16474 * src/gram.c (grammar_dump): Likewise.
16475 * src/injections.c (injections_compute): Likewise.
16476 * src/lalr.c (lookaheads_print): Likewise.
16477 * src/relation.c (relation_transpose): Likewise.
16478 * src/scan-gram.l: Likewise.
16479 * src/tables.c (table_grow, pack_vector): Likewise.
16480
16481 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
16482 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
16483 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
16484 * m4/mbstate_t.m4: Sync with fileutils.
16485 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
16486
16487 * po/LINGUAS: Add pt_BR.
16488 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
16489 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
16490 lib/timevar.c.
16491 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
16492 manual recommends.
16493 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
16494
16495 * src/complain.c (strerror_r): Remove decl; not needed.
16496 (strerror): Use same pattern as ../lib/error.c.
16497
16498 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
16499
16500 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
16501
16502 * src/main.c (main): Cast result of bindtextdomain and textdomain
16503 to void, to avoid a GCC warning when --disable-nls is in effect.
16504
16505 * src/scan-gram.l: Use strings rather than escapes when possible,
16506 to minimize the number of warnings from xgettext.
16507 (handle_action_dollar, handle_action_at): Don't use isdigit,
16508 as it mishandles negative chars and it may not work as expected
16509 outside the C locale.
16510
16511 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
16512 this is a GCC extension and is not portable to other compilers.
16513
16514 * src/system.h (alloca): Use same pattern as ../lib/error.c.
16515 Do not include <ctype.h>; no longer needed.
16516 Do not include <malloc.h>; no longer needed (and generates
16517 warnings on OpenBSD 3.0).
16518
16519 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
16520 it's not portable.
16521
16522 * tests/regression.at: Do not use 'cc -c input.c -o input';
16523 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
16524
16525 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
16526 exit status as failure, not just exit status 1. Sun C exits
16527 with status 2 sometimes.
16528
16529 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
16530 Use it for the two large tests.
16531
16532 2002-08-02 Akim Demaille <akim@epita.fr>
16533
16534 * src/conflicts.c (conflicts_output): Don't output rules never
16535 reduced here, since anyway that computation doesn't work.
16536 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
16537 (rule_useless_p, rule_never_reduced_p): New.
16538 (grammar_rules_partial_print): Use a filter instead of a range.
16539 Display the title only if needed.
16540 (grammar_rules_print): Adjust.
16541 (grammar_rules_never_reduced_report): New.
16542 * src/tables.c (action_row): Move the computation of rules never
16543 reduced to...
16544 (token_actions): here.
16545 * src/main.c (main): Make the parser before making the report, so
16546 that rules never reduced are computed.
16547 Call grammar_rules_never_reduced_report.
16548 * src/print.c (print_results): Report rules never reduced.
16549 * tests/conflicts.at, tests/reduce.at: Adjust.
16550
16551 2002-08-01 Akim Demaille <akim@epita.fr>
16552
16553 Instead of attaching lookaheads and duplicating the rules being
16554 reduced by a state, attach the lookaheads to the reductions.
16555
16556 * src/state.h (state_t): Remove the `lookaheads',
16557 `lookaheads_rule' member.
16558 (reductions_t): Add a `lookaheads' member.
16559 Use a regular array for the `rules'.
16560 * src/state.c (reductions_new): Initialize the lookaheads member
16561 to 0.
16562 (state_rule_lookaheads_print): Adjust.
16563 * src/state.h, src/state.c (state_reductions_find): New.
16564 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
16565 (count_rr_conflicts): Adjust.
16566 * src/lalr.c (LArule): Remove.
16567 (add_lookback_edge): Adjust.
16568 (state_lookaheads_count): New.
16569 (states_lookaheads_initialize): Merge into...
16570 (initialize_LA): this.
16571 (lalr_free): Adjust.
16572 * src/main.c (main): Don't free nullable and derives too early: it
16573 is used by --verbose.
16574 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
16575
16576 2002-08-01 Akim Demaille <akim@epita.fr>
16577
16578 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
16579 `rule_number_t**'.
16580 (set_derives, free_derives): Rename as...
16581 (derives_compute, derives_free): this.
16582 Adjust all dependencies.
16583 * src/nullable.c (set_nullable, free_nullable): Rename as...
16584 (nullable_compute, nullable_free): these.
16585 (rule_list_t): Store rule_t *, not rule_number_t.
16586 * src/state.c (state_rule_lookaheads_print): Directly compare rule
16587 pointers, instead of their numbers.
16588 * src/main.c (main): Call nullable_free, and derives_free earlier,
16589 as they were lo longer used.
16590
16591 2002-08-01 Akim Demaille <akim@epita.fr>
16592
16593 * lib/timevar.c (get_time): Include children time.
16594 * src/lalr.h (LA, LArule): Don't export them: used with the
16595 state_t.
16596 * src/lalr.c (LA, LArule): Static.
16597 * src/lalr.h, src/lalr.c (lalr_free): New.
16598 * src/main.c (main): Call it.
16599 * src/tables.c (pack_vector): Check whether loc is >= to the
16600 table_size, not >.
16601 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
16602 (tables_generate): do it, since that's also it which allocates
16603 them.
16604 Don't free LA and LArule, main does.
16605
16606 2002-07-31 Akim Demaille <akim@epita.fr>
16607
16608 Separate parser tables computation and output.
16609
16610 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
16611 (conflict_list, conflict_list_cnt, table, check, table_ninf)
16612 (yydefgoto, yydefact, high): Move to...
16613 * src/tables.h, src/tables.c: here.
16614 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
16615 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
16616 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
16617 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
16618 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
16619 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
16620 (action_row, save_row, token_actions, save_column, default_goto)
16621 (goto_actions, sort_actions, matching_state, pack_vector)
16622 (table_ninf_remap, pack_table, prepare_actions): Move to...
16623 * src/tables.c: here.
16624 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
16625 * src/output.c (token_actions, output_base, output_conflicts)
16626 (output_check): Merge into...
16627 (prepare_actions): this.
16628 (actions_output): Rename as...
16629 (user_actions_output): this.
16630 * src/main.c (main): Call tables_generate and tables_free.
16631
16632 2002-07-31 Akim Demaille <akim@epita.fr>
16633
16634 Steal GCC's --time-report support.
16635
16636 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
16637 stolen/adjusted from GCC.
16638 * m4/stage.m4: Remove time related checks.
16639 * m4/timevar.m4: New.
16640 * configure.in: Adjust.
16641 * src/system.h: Adjust to using timevar.h.
16642 * src/getargs.h, src/getargs.c: Support trace_time for
16643 --trace=time.
16644 * src/main.c (stage): Remove.
16645 (main): Replace `stage' invocations with timevar calls.
16646 * src/output.c: Insert pertinent timevar calls.
16647
16648 2002-07-31 Akim Demaille <akim@epita.fr>
16649
16650 Let --trace have arguments.
16651
16652 * src/getargs.h (enum trace_e): New.
16653 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
16654 (long_options, short_options): --trace/-T takes an optional
16655 argument.
16656 Change all the uses of trace_flag to reflect the new flags.
16657 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
16658
16659 Strengthen `stage' portability.
16660
16661 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
16662 * configure.in: Use it.
16663 Don't check for malloc.h and sys/times.h.
16664 * src/system.h: Include them when appropriate.
16665 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
16666 times and struct tms are available.
16667
16668 2002-07-30 Akim Demaille <akim@epita.fr>
16669
16670 In verbose parse error message, don't report `error' as an
16671 expected token.
16672 * tests/actions.at (Printers and Destructors): Adjust.
16673 * tests/calc.at (Calculator $1): Adjust.
16674 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
16675 error message, do not report the parser accepts the error token in
16676 that state.
16677
16678 2002-07-30 Akim Demaille <akim@epita.fr>
16679
16680 Normalize conflict related messages.
16681
16682 * src/complain.h, src/complain.c (warn, complain): New.
16683 * src/conflicts.c (conflicts_print): Use them.
16684 (conflict_report_yacc): New, extracted from...
16685 (conflicts_print): here.
16686 * tests/conflicts.at, tests/existing.at: Adjust.
16687
16688 2002-07-30 Akim Demaille <akim@epita.fr>
16689
16690 Report rules which are never reduced by the parser: those hidden
16691 by conflicts.
16692
16693 * src/LR0.c (save_reductions): Don't make the final state too
16694 different: save its reduction (accept) instead of having a state
16695 without any action (no shift or goto, no reduce).
16696 Note: the final state is now a ``regular'' state, i.e., the
16697 parsers now contain `reduce 0' as default reduction.
16698 Nevertheless, since they decide to `accept' when yystate =
16699 final_state, they still will not reduce rule 0.
16700 * src/print.c (print_actions, print_reduction): Adjust.
16701 * src/output.c (action_row): Track reduced rules.
16702 (token_actions): Report rules never reduced.
16703 * tests/conflicts.at, tests/regression.at: Adjust.
16704
16705 2002-07-30 Akim Demaille <akim@epita.fr>
16706
16707 `stage' was accidently included in a previous patch.
16708 Initiate its autoconfiscation.
16709
16710 * configure.in: Look for malloc.h and sys/times.h.
16711 * src/main.c (stage): Adjust.
16712 Report only when trace_flag.
16713
16714 2002-07-29 Akim Demaille <akim@epita.fr>
16715
16716 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
16717 state_number_t.
16718 (errs_t): symbol_t*, not symbol_number_t.
16719 (reductions_t): rule_t*, not rule_number_t.
16720 (FOR_EACH_SHIFT): New.
16721 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
16722 * src/print.c, src/print_graph.c: Adjust.
16723
16724 2002-07-29 Akim Demaille <akim@epita.fr>
16725
16726 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
16727
16728 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
16729 (endtoken, accept): these.
16730 * src/reader.c (reader): Set endtoken's default tag to "$end".
16731 Set undeftoken's tag to "$undefined" instead of "$undefined.".
16732 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
16733 Adjust.
16734
16735 2002-07-29 Akim Demaille <akim@epita.fr>
16736
16737 * src/reduce.c (reduce_grammar): When the language is empty,
16738 complain about the start symbol, not the axiom.
16739 Use its location.
16740 * tests/reduce.at (Empty Language): New.
16741
16742 2002-07-26 Akim Demaille <akim@epita.fr>
16743
16744 * src/reader.h, src/reader.c (gram_error): ... can't get
16745 yycontrol without making too strong assumptions on the parser
16746 itself.
16747 * src/output.c (prepare_tokens): Use the real 0th value of
16748 token_translations instead of `0'.
16749 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
16750 visible here.
16751 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
16752 for the time being: %locations ought to provide it to yyerror.
16753
16754 2002-07-25 Akim Demaille <akim@epita.fr>
16755
16756 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
16757 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
16758 * tests/regression.at (Web2c Actions): Adjust.
16759
16760 2002-07-25 Akim Demaille <akim@epita.fr>
16761
16762 Stop storing rules from 1 to nrules + 1.
16763
16764 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
16765 * src/nullable.c, src/output.c, src/print.c, src/reader.c
16766 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
16767 Iterate from 0 to nrules.
16768 Use rule_number_as_item_number and item_number_as_rule_number.
16769 Adjust to `derive' now containing possibly 0.
16770 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
16771 Handle the `- 1' part in rule numbers from/to item numbers.
16772 * src/conflicts.c (log_resolution): Fix the message which reversed
16773 shift and reduce.
16774 * src/output.c (action_row): Initialize default_rule to -1.
16775 (token_actions): Adjust.
16776 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
16777 expected output.
16778 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
16779
16780 2002-07-25 Akim Demaille <akim@epita.fr>
16781
16782 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
16783 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
16784 (b4_c_knr_arg_decl): New.
16785 * data/yacc.c: Use it to define yysymprint, yydestruct, and
16786 yyreport_parse_error.
16787
16788 2002-07-25 Akim Demaille <akim@epita.fr>
16789
16790 * data/yacc.c (yyreport_parse_error): New, extracted from...
16791 (yyparse): here.
16792 (yydestruct, yysymprint): Move above yyparse.
16793 Be K&R compliant.
16794
16795 2002-07-25 Akim Demaille <akim@epita.fr>
16796
16797 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
16798 replace...
16799 (b4_sint_type, b4_uint_type): these.
16800 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
16801 * tests/regression.at (Web2c Actions): Adjust.
16802
16803 2002-07-25 Akim Demaille <akim@epita.fr>
16804
16805 * src/gram.h (TIEM_NUMBER_MAX): New.
16806 (item_number_of_rule_number, rule_number_of_item_number): Rename
16807 as...
16808 (rule_number_as_item_number, item_number_as_rule_number): these.
16809 Adjust dependencies.
16810 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
16811 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
16812 (symbol_number_to_vector_number): New.
16813 (order): Of vector_number_t* type.
16814 (base_t, BASE_MAX, BASE_MIN): New.
16815 (froms, tos, width, pos, check): Of base_t type.
16816 (action_number_t, ACTION_MIN, ACTION_MAX): New.
16817 (actrow): Of action_number_t type.
16818 (conflrow): Of unsigned int type.
16819 (table_ninf, base_ninf): New.
16820 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
16821 (muscle_insert_int_table, muscle_insert_base_table)
16822 (muscle_insert_rule_number_table): New.
16823 (prepare_tokens): Output `toknum' as int_table.
16824 (action_row): Returns a rule_number_t.
16825 Use ACTION_MIN, not SHRT_MIN.
16826 (token_actions): yydefact is rule_number_t*.
16827 (table_ninf_remap): New.
16828 (pack_table): Use it for `base' and `table'.
16829 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
16830 replaced with...
16831 (YYPACT_NINF, YYTABLE_NINF): these.
16832 (yypact, yytable): Compute their types instead of hard-coded
16833 `short'.
16834 * tests/regression.at (Web2c Actions): Adjust.
16835
16836 2002-07-19 Akim Demaille <akim@epita.fr>
16837
16838 * src/scan-gram.l (id): Can start with an underscore.
16839
16840 2002-07-16 Akim Demaille <akim@epita.fr>
16841
16842 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
16843 Adjust all former `associativity' dependencies.
16844 * src/symtab.c (symbol_new): Default associativity is `undef', not
16845 `right'.
16846 (symbol_check_alias_consistence): Adjust.
16847
16848 2002-07-09 Akim Demaille <akim@epita.fr>
16849
16850 * doc/bison.texinfo: Properly set the ``header'' part.
16851 Use @dircategory ``GNU programming tools'' as per Texinfo's
16852 documentation.
16853 Use @copying.
16854
16855 2002-07-09 Akim Demaille <akim@epita.fr>
16856
16857 * lib/quotearg.h: Protect against multiple inclusions.
16858 * src/location.h (location_t): Add a `file' member.
16859 (LOCATION_RESET, LOCATION_PRINT): Adjust.
16860 * src/complain.c (warn_at, complain_at, fatal_at): Drop
16861 `error_one_per_line' support.
16862
16863 2002-07-09 Akim Demaille <akim@epita.fr>
16864
16865 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
16866 * src/reader.c (lineno): Remove.
16867 Adjust all dependencies.
16868 (get_merge_function): Take a location and use complain_at.
16869 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
16870 * tests/regression.at (Invalid inputs, Mixing %token styles):
16871 Adjust.
16872
16873 2002-07-09 Akim Demaille <akim@epita.fr>
16874
16875 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
16876 recovery rule, and forbid extensions when --yacc.
16877 (gram_error): Use complain_at.
16878 * src/reader.c (reader): Exit if there were parse errors.
16879
16880 2002-07-09 Akim Demaille <akim@epita.fr>
16881
16882 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
16883 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
16884 Reported by R Blake <blakers@mac.com>.
16885
16886 2002-07-09 Akim Demaille <akim@epita.fr>
16887
16888 * data/yacc.c: Output the copyright notive in the header.
16889
16890 2002-07-03 Akim Demaille <akim@epita.fr>
16891
16892 * src/output.c (froms, tos): Are state_number_t.
16893 (save_column): sp, sp1, and sp2 are state_number_t.
16894 (prepare): Rename `final' as `final_state_number', `nnts' as
16895 `nterms_number', `nrules' as `rules_number', `nstates' as
16896 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
16897 unused.
16898 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
16899 * data/lalr1.cc (nsym_): Remove, unused.
16900
16901 2002-07-03 Akim Demaille <akim@epita.fr>
16902
16903 * src/lalr.h, src/lalr.c (goto_number_t): New.
16904 * src/lalr.c (goto_list_t): New.
16905 Propagate them.
16906 * src/nullable.c (rule_list_t): New.
16907 Propagate.
16908 * src/types.h: Remove.
16909
16910 2002-07-03 Akim Demaille <akim@epita.fr>
16911
16912 * src/closure.c (print_fderives): Use rule_rhs_print.
16913 * src/derives.c (print_derives): Use rule_rhs_print.
16914 (rule_list_t): New, replaces `shorts'.
16915 (set_derives): Add comments.
16916 * tests/sets.at (Nullable, Firsts): Adjust.
16917
16918 2002-07-03 Akim Demaille <akim@epita.fr>
16919
16920 * src/output.c (prepare_actions): Free `tally' and `width'.
16921 (prepare_actions): Allocate and free `order'.
16922 * src/symtab.c (symbols_free): Free `symbols'.
16923 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
16924 * src/output.c (m4_invoke): Move to...
16925 * src/scan-skel.l: here.
16926 (<<EOF>>): Close yyout, and free its name.
16927
16928 2002-07-03 Akim Demaille <akim@epita.fr>
16929
16930 Fix some memory leaks, and fix a bug: state 0 was examined twice.
16931
16932 * src/LR0.c (new_state): Merge into...
16933 (state_list_append): this.
16934 (new_states): Merge into...
16935 (generate_states): here.
16936 (set_states): Don't ensure a proper `errs' state member here, do it...
16937 * src/conflicts.c (conflicts_solve): here.
16938 * src/state.h, src/state.c: Comment changes.
16939 (state_t): Rename member `shifts' as `transitions'.
16940 Adjust all dependencies.
16941 (errs_new): For consistency, also take the values as argument.
16942 (errs_dup): Remove.
16943 (state_errs_set): New.
16944 (state_reductions_set, state_transitions_set): Assert that no
16945 previous value was assigned.
16946 (state_free): New.
16947 (states_free): Use it.
16948 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
16949 temporary storage: use `errs' and `nerrs' as elsewhere.
16950 (set_conflicts): Allocate and free this `errs'.
16951
16952 2002-07-02 Akim Demaille <akim@epita.fr>
16953
16954 * lib/libiberty.h: New.
16955 * lib: Update the bitset implementation from upstream.
16956 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
16957 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
16958 * src/main.c: Adjust bitset stats calls.
16959
16960 2002-07-01 Paul Eggert <eggert@twinsun.com>
16961
16962 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
16963 char, so that negative chars don't collide with $.
16964
16965 2002-06-30 Akim Demaille <akim@epita.fr>
16966
16967 Have the GLR tests be `warning' checked, and fix the warnings.
16968
16969 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
16970 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
16971 (yyremoveDeletes): `yyi' and `yyj' are size_t.
16972 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
16973 (yyaddDeferredAction): static.
16974 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
16975 (yyreportParseError): yyprefix is const.
16976 yytokenp is used only when verbose.
16977 (yy__GNUC__): Replace with __GNUC__.
16978 (yypdumpstack): yyi is size_t.
16979 (yypreference): Un-yy local variables and arguments, to avoid
16980 clashes with `yyr1'. Anyway, we are not in the user name space.
16981 (yytname_size): be an int, as is compared with ints.
16982 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
16983 Use them.
16984 * tests/cxx-gram.at: Use quotation to protect $1.
16985 Use AT_COMPILE to enable warnings hunts.
16986 Prototype yylex and yyerror.
16987 `Use' argc.
16988 Include `string.h', not `strings.h'.
16989 Produce and prototype stmtMerge only when used.
16990 yylex takes a location.
16991
16992 2002-06-30 Akim Demaille <akim@epita.fr>
16993
16994 We spend a lot of time in quotearg, in particular when --verbose.
16995
16996 * src/symtab.c (symbol_get): Store a quoted version of the key.
16997 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
16998 Adjust all callers.
16999
17000 2002-06-30 Akim Demaille <akim@epita.fr>
17001
17002 * src/state.h (reductions_t): Rename member `nreds' as num.
17003 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
17004 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
17005
17006 2002-06-30 Akim Demaille <akim@epita.fr>
17007
17008 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
17009 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
17010 (shifts_to): Rename as...
17011 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
17012 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
17013 (TRANSITION_IS_DISABLED, transitions_to): these.
17014
17015 2002-06-30 Akim Demaille <akim@epita.fr>
17016
17017 * src/print.c (print_shifts, print_gotos): Merge into...
17018 (print_transitions): this.
17019 (print_transitions, print_errs, print_reductions): Align the
17020 lookaheads columns.
17021 (print_core, print_transitions, print_errs, print_state,
17022 print_grammar): Output empty lines separator before, not after.
17023 (state_default_rule_compute): Rename as...
17024 (state_default_rule): this.
17025 * tests/conflicts.at (Defaulted Conflicted Reduction),
17026 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
17027 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
17028
17029 2002-06-30 Akim Demaille <akim@epita.fr>
17030
17031 Display items as we display rules.
17032
17033 * src/gram.h, src/gram.c (rule_lhs_print): New.
17034 * src/gram.c (grammar_rules_partial_print): Use it.
17035 * src/print.c (print_core): Likewise.
17036 * tests/conflicts.at (Defaulted Conflicted Reduction),
17037 (Unresolved SR Conflicts): Adjust.
17038 (Unresolved SR Conflicts): Adjust and rename as...
17039 (Resolved SR Conflicts): this, as was meant.
17040 * tests/regression.at (Web2c Report): Adjust.
17041
17042 2002-06-30 Akim Demaille <akim@epita.fr>
17043
17044 * src/print.c (state_default_rule_compute): New, extracted from...
17045 (print_reductions): here.
17046 Pessimize, but clarify the code.
17047 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
17048
17049 2002-06-30 Akim Demaille <akim@epita.fr>
17050
17051 * src/output.c (action_row): Let default_rule be always a rule
17052 number.
17053
17054 2002-06-30 Akim Demaille <akim@epita.fr>
17055
17056 * src/closure.c (print_firsts, print_fderives, closure):
17057 Use BITSET_EXECUTE.
17058 * src/lalr.c (lookaheads_print): Likewise.
17059 * src/state.c (state_rule_lookaheads_print): Likewise.
17060 * src/print_graph.c (print_core): Likewise.
17061 * src/print.c (print_reductions): Likewise.
17062 * src/output.c (action_row): Likewise.
17063 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
17064
17065 2002-06-30 Akim Demaille <akim@epita.fr>
17066
17067 * src/print_graph.c: Use report_flag.
17068
17069 2002-06-30 Akim Demaille <akim@epita.fr>
17070
17071 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
17072 to...
17073 * src/relation.h, src/relation.c (traverse, relation_digraph)
17074 (relation_print, relation_transpose): New.
17075
17076 2002-06-30 Akim Demaille <akim@epita.fr>
17077
17078 * src/state.h, src/state.c (shifts_to): New.
17079 * src/lalr.c (build_relations): Use it.
17080
17081 2002-06-30 Akim Demaille <akim@epita.fr>
17082
17083 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
17084 (item_number_of_rule_number, rule_number_of_item_number): New.
17085 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
17086 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
17087 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
17088 Propagate their use.
17089 Much remains to be done, in particular wrt `shorts' from types.h.
17090
17091 2002-06-30 Akim Demaille <akim@epita.fr>
17092
17093 * src/symtab.c (symbol_new): Initialize the `printer' member.
17094
17095 2002-06-30 Akim Demaille <akim@epita.fr>
17096
17097 * src/LR0.c (save_reductions): Remove, replaced by...
17098 * src/state.h, src/state.c (state_reductions_set): New.
17099 (reductions, errs): Rename as...
17100 (reductions_t, errs_t): these.
17101 Adjust all dependencies.
17102
17103 2002-06-30 Akim Demaille <akim@epita.fr>
17104
17105 * src/LR0.c (state_list_t, state_list_append): New.
17106 (first_state, last_state): Now symbol_list_t.
17107 (this_state): Remove.
17108 (new_itemsets, append_states, save_reductions): Take a state_t as
17109 argument.
17110 (set_states, generate_states): Adjust.
17111 (save_shifts): Remove, replaced by...
17112 * src/state.h, src/state.c (state_shifts_set): New.
17113 (shifts): Rename as...
17114 (shifts_t): this.
17115 Adjust all dependencies.
17116 * src/state.h (state_t): Remove the `next' member.
17117
17118 2002-06-30 Akim Demaille <akim@epita.fr>
17119
17120 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
17121 escaped in slot 0.
17122
17123 2002-06-30 Akim Demaille <akim@epita.fr>
17124
17125 Use hash.h for the state hash table.
17126
17127 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
17128 (allocate_storage): Use state_hash_new.
17129 (free_storage): Use state_hash_free.
17130 (new_state, get_state): Adjust.
17131 * src/lalr.h, src/lalr.c (states): Move to...
17132 * src/states.h (state_t): Remove the `link' member, no longer
17133 used.
17134 * src/states.h, src/states.c: here.
17135 (state_hash_new, state_hash_free, state_hash_lookup)
17136 (state_hash_insert, states_free): New.
17137 * src/states.c (state_table, state_compare, state_hash): New.
17138 * src/output.c (output_actions): Do not free states now, since we
17139 still need to know the final_state number in `prepare', called
17140 afterwards. Do it...
17141 * src/main.c (main): here: call states_free after `output'.
17142
17143 2002-06-30 Akim Demaille <akim@epita.fr>
17144
17145 * src/state.h, src/state.c (state_new): New, extracted from...
17146 * src/LR0.c (new_state): here.
17147 * src/state.h (STATE_ALLOC): Move to...
17148 * src/state.c: here.
17149 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
17150 * src/state.h, src/state.c: here.
17151
17152 2002-06-30 Akim Demaille <akim@epita.fr>
17153
17154 * src/reader.c (gensym): Rename as...
17155 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
17156 (getsym): Rename as...
17157 (symbol_get): this.
17158
17159 2002-06-30 Akim Demaille <akim@epita.fr>
17160
17161 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
17162 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
17163 * src/output.c, src/print.c, src/print_graph.c: Propagate.
17164 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
17165
17166 2002-06-30 Akim Demaille <akim@epita.fr>
17167
17168 Make the test suite pass with warnings checked.
17169
17170 * tests/actions.at (Printers and Destructors): Improve.
17171 Avoid unsigned vs. signed issues.
17172 * tests/calc.at: Don't exercise the scanner here, do it...
17173 * tests/input.at (Torturing the Scanner): here.
17174
17175 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17176
17177 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
17178 reorganize first lines parallel to yacc.c.
17179
17180 2002-06-28 Akim Demaille <akim@epita.fr>
17181
17182 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
17183 (b4_token_enum, b4_token_defines): New, factored from...
17184 * data/lalr1.cc, data/yacc.c, glr.c: here.
17185
17186 2002-06-28 Akim Demaille <akim@epita.fr>
17187
17188 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
17189 unused variables.
17190 * src/output.c (merger_output): static.
17191
17192 2002-06-28 Akim Demaille <akim@epita.fr>
17193
17194 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
17195 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
17196 pacify GCC.
17197 * src/output.c (save_row): Initialize all the variables to pacify GCC.
17198
17199 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17200
17201 Accumulated changelog for new GLR parsing features.
17202
17203 * src/conflicts.c (count_total_conflicts): Change name to
17204 conflicts_total_count.
17205 * src/conflicts.h: Ditto.
17206 * src/output.c (token_actions): Use the new name.
17207 (output_conflicts): Change conflp => conflict_list_heads, and
17208 confl => conflict_list for better readability.
17209 * data/glr.c: Use the new names.
17210 * NEWS: Add self to GLR announcement.
17211
17212 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
17213
17214 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
17215 Akim Demaille.
17216
17217 * data/bison.glr: Change name to glr.c
17218 * data/glr.c: Renamed from bison.glr.
17219 * data/Makefile.am: Add glr.c
17220
17221 * src/getargs.c:
17222
17223 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
17224 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
17225
17226 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17227
17228 * data/bison.glr: Be sure to restore the
17229 current #line when returning to the skeleton contents after having
17230 exposed the input file's #line.
17231
17232 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17233
17234 * data/bison.glr: Bring up to date with changes to bison.simple.
17235
17236 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17237
17238 * data/bison.glr: Correct definitions that use b4_prefix.
17239 Various reformatting.
17240 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
17241 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
17242 yytokenp argument; now part of stack.
17243 (yychar): Define to behave as documented.
17244 (yyclearin): Ditto.
17245
17246 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17247
17248 * src/reader.h: Add declaration for free_merger_functions.
17249
17250 * src/reader.c (merge_functions): New variable.
17251 (get_merge_function): New function.
17252 (free_merger_functions): New function.
17253 (readgram): Check for %prec that is not followed by a symbol.
17254 Handle %dprec and %merge declarations.
17255 (packgram): Initialize dprec and merger fields in rules array.
17256
17257 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
17258 conflict_list_cnt, conflict_list_free): New variables.
17259 (table_grow): Also grow conflict_table.
17260 (prepare_rules): Output dprec and merger tables.
17261 (conflict_row): New function.
17262 (action_row): Output conflict lists for GLR parser. Don't use
17263 default reduction in conflicted states for GLR parser so that there
17264 are spaces for the conflict lists.
17265 (save_row): Also save conflict information.
17266 (token_actions): Allocate conflict list.
17267 (merger_output): New function.
17268 (pack_vector): Pack conflict table, too.
17269 (output_conflicts): New function to output yyconflp and yyconfl.
17270 (output_check): Allocate conflict_tos.
17271 (output_actions): Output conflict tables, also.
17272 (output_skeleton): Output b4_mergers definition.
17273 (prepare): Output b4_max_rhs_length definition.
17274 Use 'bison.glr' as default skeleton for GLR parsers.
17275
17276 * src/gram.c (glr_parser): New flag.
17277 (grammar_free): Call free_merger_functions.
17278
17279 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
17280 all pairs of conflicting reductions, rather than just all tokens
17281 causing conflicts. Needed to size conflict tables.
17282 (conflicts_output): Modify call to count_rr_conflicts for new
17283 interface.
17284 (conflicts_print): Ditto.
17285 (count_total_conflicts): New function.
17286
17287 * src/reader.h (merger_list): New type.
17288 (merge_functions): New variable.
17289
17290 * src/lex.h (tok_dprec, tok_merge): New token types.
17291
17292 * src/gram.h (rule_s): Add dprec and merger fields.
17293 (glr_parser): New flag.
17294
17295 * src/conflicts.h (count_total_conflicts): New function.
17296
17297 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
17298
17299 * doc/bison.texinfo (Generalized LR Parsing): New section.
17300 (GLR Parsers): New section.
17301 (Language and Grammar): Mention GLR parsing.
17302 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
17303 Correct typo ("tge" -> "the").
17304
17305 * data/bison.glr: New skeleton for GLR parsing.
17306
17307 * tests/cxx-gram.at: New tests for GLR parsing.
17308
17309 * tests/testsuite.at: Include cxx-gram.at.
17310
17311 * tests/Makefile.am: Add cxx-gram.at.
17312
17313 * src/parse-gram.y:
17314
17315 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
17316
17317 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
17318
17319 2002-06-27 Akim Demaille <akim@epita.fr>
17320
17321 * src/options.h, src/options.c: Remove.
17322 * src/getargs.c (short_options, long_options): New.
17323
17324 2002-06-27 Akim Demaille <akim@epita.fr>
17325
17326 * data/bison.simple, data/bison.c++: Rename as...
17327 * data/yacc.c, data/lalr1.cc: these.
17328 * doc/bison.texinfo (Environment Variables): Remove.
17329
17330 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
17331
17332 * src/getargs.c (report_argmatch): Initialize strtok().
17333
17334 2002-06-20 Akim Demaille <akim@epita.fr>
17335
17336 * data/bison.simple (b4_symbol_actions): New, replaces...
17337 (b4_symbol_destructor, b4_symbol_printer): these.
17338 (yysymprint): Be sure to call YYPRINT only for tokens, and using
17339 user token numbers.
17340
17341 2002-06-20 Akim Demaille <akim@epita.fr>
17342
17343 * data/bison.simple (yydestructor): Rename as...
17344 (yydestruct): this.
17345
17346 2002-06-20 Akim Demaille <akim@epita.fr>
17347
17348 * src/symtab.h, src/symtab.c (symbol_type_set)
17349 (symbol_destructor_set, symbol_precedence_set): The location is
17350 the last argument.
17351 Adjust all callers.
17352
17353 2002-06-20 Akim Demaille <akim@epita.fr>
17354
17355 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
17356 internals.
17357 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
17358 Takes a location.
17359 * src/symtab.h, src/symtab.c (symbol_class_set)
17360 (symbol_user_token_number_set): Likewise.
17361 Adjust all callers.
17362 Promote complain_at.
17363 * tests/input.at (Type Clashes): Adjust.
17364
17365 2002-06-20 Akim Demaille <akim@epita.fr>
17366
17367 * data/bison.simple (YYLEX): Fix the declaration when
17368 %pure-parser.
17369
17370 2002-06-20 Akim Demaille <akim@epita.fr>
17371
17372 * data/bison.simple (yysymprint): Don't print the token number,
17373 just its name.
17374 * tests/actions.at (Destructors): Rename as...
17375 (Printers and Destructors): this.
17376 Also exercise %printer.
17377
17378 2002-06-20 Akim Demaille <akim@epita.fr>
17379
17380 * data/bison.simple (YYDSYMPRINT): New.
17381 Use it to remove many of the #if YYDEBUG/if (yydebug).
17382
17383 2002-06-20 Akim Demaille <akim@epita.fr>
17384
17385 * src/symtab.h, src/symtab.c (symbol_t): printer and
17386 printer_location are new members.
17387 (symbol_printer_set): New.
17388 * src/parse-gram.y (PERCENT_PRINTER): New token.
17389 Handle its associated rule.
17390 * src/scan-gram.l: Adjust.
17391 (handle_destructor_at, handle_destructor_dollar): Rename as...
17392 (handle_symbol_code_at, handle_symbol_code_dollar): these.
17393 * src/output.c (symbol_printers_output): New.
17394 (output_skeleton): Call it.
17395 * data/bison.simple (yysymprint): New. Cannot be named yyprint
17396 since there are already many grammar files with a user `yyprint'.
17397 Replace the calls to YYPRINT to calls to yysymprint.
17398 * tests/calc.at: Adjust.
17399 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
17400 taking advantage of parser very internal details (stack size!).
17401
17402 2002-06-20 Akim Demaille <akim@epita.fr>
17403
17404 * src/scan-gram.l: Complete the scanner with the missing patterns
17405 to pacify Flex.
17406 Use `quote' and `symbol_tag_get' where appropriate.
17407
17408 2002-06-19 Akim Demaille <akim@epita.fr>
17409
17410 * tests/actions.at (Destructors): Augment to test locations.
17411 * data/bison.simple (yydestructor): Pass it the current location
17412 if locations are enabled.
17413 Prototype only when __STDC__ or C++.
17414 Change the argument names to move into the yy name space: there is
17415 user code here.
17416
17417 2002-06-19 Akim Demaille <akim@epita.fr>
17418
17419 * data/bison.simple (b4_pure_if): New.
17420 Use it instead of #ifdef YYPURE.
17421
17422 2002-06-19 Akim Demaille <akim@epita.fr>
17423
17424 * data/bison.simple (b4_location_if): New.
17425 Use it instead of #ifdef YYLSP_NEEDED.
17426
17427 2002-06-19 Akim Demaille <akim@epita.fr>
17428
17429 Prepare @$ in %destructor, but currently don't bind it in the
17430 skeleton, as %location use is not cleaned up yet.
17431
17432 * src/scan-gram.l (handle_dollar, handle_destructor_at)
17433 (handle_action_at): New.
17434 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
17435 a braced_code_t and a location as additional arguments.
17436 (handle_destructor_dollar): Instead of requiring `b4_eval', just
17437 unquote one when outputting `b4_dollar_dollar'.
17438 Adjust callers.
17439 * data/bison.simple (b4_eval): Remove.
17440 (b4_symbol_destructor): Adjust.
17441 * tests/input.at (Invalid @n): Adjust.
17442
17443 2002-06-19 Zack Weinberg <zack@codesourcery.com>
17444
17445 * doc/bison.texinfo: Document ability to have multiple
17446 prologue sections.
17447
17448 2002-06-18 Akim Demaille <akim@epita.fr>
17449
17450 * src/files.c (compute_base_names): When computing the output file
17451 names from the input file name, strip the directory part.
17452
17453 2002-06-18 Akim Demaille <akim@epita.fr>
17454
17455 * data/bison.simple.new: Comment changes.
17456 Reported by Andreas Schwab.
17457
17458 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
17459
17460 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
17461 there are no `label `yyoverflowlab' defined but not used' warnings
17462 when yyoverflow is defined.
17463
17464 2002-06-18 Akim Demaille <akim@epita.fr>
17465
17466 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
17467 new member.
17468 (symbol_destructor_set): Adjust.
17469 * src/output.c (symbol_destructors_output): Output the destructor
17470 locations.
17471 Output the symbol name.
17472 * data/bison.simple (b4_symbol_destructor): Adjust.
17473
17474 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
17475 and Akim Demaille <akim@epita.fr>
17476
17477 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
17478 what's left on the stack when the error recovery hits EOF.
17479 * tests/actions.at (Destructors): Complete to exercise this case.
17480
17481 2002-06-17 Akim Demaille <akim@epita.fr>
17482
17483 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
17484 arguments is really empty, not only equal to `[]'.
17485 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
17486 member.
17487 (symbol_destructor_set): New.
17488 * src/output.c (symbol_destructors_output): New.
17489 * src/reader.h (brace_code_t, current_braced_code): New.
17490 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
17491 (handle_dollar): Rename as...
17492 (handle_action_dollar): this.
17493 (handle_destructor_dollar): New.
17494 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
17495 (grammar_declaration): Use it.
17496 * data/bison.simple (yystos): Is always defined.
17497 (yydestructor): New.
17498 * tests/actions.at (Destructors): New.
17499 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
17500
17501 2002-06-17 Akim Demaille <akim@epita.fr>
17502
17503 * src/symlist.h, src/symlist.c (symbol_list_length): New.
17504 * src/scan-gram.l (handle_dollar, handle_at): Compute the
17505 rule_length only when needed.
17506 * src/output.c (actions_output, token_definitions_output): Output
17507 the full M4 block.
17508 * src/symtab.c: Don't access directly to the symbol tag, use
17509 symbol_tag_get.
17510 * src/parse-gram.y: Use symbol_list_free.
17511
17512 2002-06-17 Akim Demaille <akim@epita.fr>
17513
17514 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
17515 (symbol_list_prepend, get_type_name): Move to...
17516 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
17517 (symbol_list_prepend, symbol_list_n_type_name_get): here.
17518 Adjust all callers.
17519 (symbol_list_free): New.
17520 * src/scan-gram.l (handle_dollar): Takes a location.
17521 * tests/input.at (Invalid $n): Adjust.
17522
17523 2002-06-17 Akim Demaille <akim@epita.fr>
17524
17525 * src/reader.h, src/reader.c (symbol_list_new): Export it.
17526 (symbol_list_prepend): New.
17527 * src/parse-gram.y (%union): `list' is a new member.
17528 (symbols.1): New, replaces...
17529 (terms_to_prec.1, nterms_to_type.1): these.
17530 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
17531 Take a location as additional argument.
17532 Adjust all callers.
17533
17534 2002-06-15 Akim Demaille <akim@epita.fr>
17535
17536 * src/parse-gram.y: Move %token in the declaration section so that
17537 we don't depend upon CVS Bison.
17538
17539 2002-06-15 Akim Demaille <akim@epita.fr>
17540
17541 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
17542 * src/print.c (print_core): Use it.
17543
17544 2002-06-15 Akim Demaille <akim@epita.fr>
17545
17546 * src/conflicts.c (log_resolution): Accept the rule involved in
17547 the sr conflicts instead of the lookahead number that points to
17548 that rule.
17549 (flush_reduce): Accept the current lookahead vector as argument,
17550 instead of the index in LA.
17551 (resolve_sr_conflict): Accept the current number of lookahead
17552 bitset to consider for the STATE, instead of the index in LA.
17553 (set_conflicts): Adjust.
17554 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
17555
17556 2002-06-15 Akim Demaille <akim@epita.fr>
17557
17558 * src/state.h (state_t): Replace the `lookaheadsp' member, a
17559 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
17560 Adjust all dependencies.
17561 * src/lalr.c (initialize_lookaheads): Split into...
17562 (states_lookaheads_count, states_lookaheads_initialize): these.
17563 (lalr): Adjust.
17564
17565 2002-06-15 Akim Demaille <akim@epita.fr>
17566
17567 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
17568 out of...
17569 (grammar_rules_print): here.
17570 * src/reduce.c (reduce_output): Use it.
17571 * tests/reduce.at (Useless Rules, Reduced Automaton)
17572 (Underivable Rules): Adjust.
17573
17574 2002-06-15 Akim Demaille <akim@epita.fr>
17575
17576 Copy BYacc's nice way to report the grammar.
17577
17578 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
17579 New.
17580 Don't print the rules' location, it is confusing and useless.
17581 (rule_print): Use grammar_rhs_print.
17582 * src/print.c (print_grammar): Use grammar_rules_print.
17583
17584 2002-06-15 Akim Demaille <akim@epita.fr>
17585
17586 Complete and rationalize `useless thing' warnings.
17587
17588 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
17589 (symbol_tag_print): New.
17590 Use them everywhere in place of accessing directly the tag member.
17591 * src/gram.h, src/gram.c (rule_print): New.
17592 Use it where a rule used to be printed `by hand'.
17593 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
17594 (reduce_grammar_tables): Report the useless rules.
17595 (reduce_print): Useless things are a warning, not an error.
17596 Report it as such.
17597 * tests/reduce.at (Useless Nonterminals, Useless Rules):
17598 (Reduced Automaton, Underivable Rules): Adjust.
17599 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
17600 * tests/conflicts.at (Unresolved SR Conflicts)
17601 (Solved SR Conflicts): Adjust.
17602
17603 2002-06-15 Akim Demaille <akim@epita.fr>
17604
17605 Let symbols have a location.
17606
17607 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
17608 (getsym): Adjust.
17609 Adjust all callers.
17610 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
17611 Use location_t, not int.
17612 * src/symtab.c (symbol_check_defined): Take advantage of the
17613 location.
17614 * tests/regression.at (Invalid inputs): Adjust.
17615
17616 2002-06-15 Akim Demaille <akim@epita.fr>
17617
17618 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
17619 (input): Don't try to initialize yylloc here, do it in the
17620 scanner.
17621 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
17622 * src/gram.h (rule_t): Change line and action_line into location
17623 and action_location, of location_t type.
17624 Adjust all dependencies.
17625 * src/location.h, src/location.c (empty_location): New.
17626 * src/reader.h, src/reader.c (grammar_start_symbol_set)
17627 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
17628 (grammar_current_rule_symbol_append)
17629 (grammar_current_rule_action_append): Expect a location as argument.
17630 * src/reader.c (grammar_midrule_action): Adjust to attach an
17631 action's location as dummy symbol location.
17632 * src/symtab.h, src/symtab.c (startsymbol_location): New.
17633 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
17634 the line numbers.
17635
17636 2002-06-14 Akim Demaille <akim@epita.fr>
17637
17638 Grammar declarations may be found in the grammar section.
17639
17640 * src/parse-gram.y (rules_or_grammar_declaration): New.
17641 (declarations): Each declaration may end with a semicolon, not
17642 just...
17643 (grammar_declaration): `"%union"'.
17644 (grammar): Branch to rules_or_grammar_declaration.
17645
17646 2002-06-14 Akim Demaille <akim@epita.fr>
17647
17648 * src/main.c (main): Invoke scanner_free.
17649
17650 2002-06-14 Akim Demaille <akim@epita.fr>
17651
17652 * src/output.c (m4_invoke): Extracted from...
17653 (output_skeleton): here.
17654 Free tempfile.
17655
17656 2002-06-14 Akim Demaille <akim@epita.fr>
17657
17658 * src/parse-gram.y (directives, directive, gram)
17659 (grammar_directives, precedence_directives, precedence_directive):
17660 Rename as...
17661 (declarations, declaration, grammar, grammar_declaration)
17662 (precedence_declaration, precedence_declarator): these.
17663 (symbol_declaration): New.
17664
17665 2002-06-14 Akim Demaille <akim@epita.fr>
17666
17667 * src/files.c (action_obstack): Remove, unused.
17668 (output_obstack): Remove it, and all its dependencies, as it is no
17669 longer needed.
17670 * src/reader.c (epilogue_set): Build the epilogue in the
17671 muscle_obstack.
17672 * src/output.h, src/output.c (muscle_obstack): Move to...
17673 * src/muscle_tab.h, src/muscle_tab.h: here.
17674 (muscle_init): Initialize muscle_obstack.
17675 (muscle_free): New.
17676 * src/main.c (main): Call it.
17677
17678 2002-06-14 Akim Demaille <akim@epita.fr>
17679
17680 * src/location.h: New, extracted from...
17681 * src/reader.h: here.
17682 * src/Makefile.am (noinst_HEADERS): Merge into
17683 (bison_SOURCES): this.
17684 Add location.h.
17685 * src/parse-gram.y: Use location_t instead of Bison's.
17686 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
17687 Use location_t instead of ints.
17688
17689 2002-06-14 Akim Demaille <akim@epita.fr>
17690
17691 * data/bison.simple, data/bison.c++: Be sure to restore the
17692 current #line when returning to the skeleton contents after having
17693 exposed the input file's #line.
17694
17695 2002-06-12 Akim Demaille <akim@epita.fr>
17696
17697 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
17698 eager.
17699 * tests/actions.at (Exotic Dollars): New.
17700
17701 2002-06-12 Akim Demaille <akim@epita.fr>
17702
17703 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
17704 ['"/] too eagerly.
17705 * tests/input.at (Torturing the Scanner): New.
17706
17707 2002-06-11 Akim Demaille <akim@epita.fr>
17708
17709 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
17710 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
17711 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
17712 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
17713 * src/reader.c (reader): Use it.
17714
17715 2002-06-11 Akim Demaille <akim@epita.fr>
17716
17717 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
17718 Adjust all callers.
17719 (scanner_last_string_free): New.
17720
17721 2002-06-11 Akim Demaille <akim@epita.fr>
17722
17723 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
17724 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
17725 (last_string, YY_OBS_FREE): New.
17726 Use them when returning an ID.
17727
17728 2002-06-11 Akim Demaille <akim@epita.fr>
17729
17730 Have Bison grammars parsed by a Bison grammar.
17731
17732 * src/reader.c, src/reader.h (prologue_augment): New.
17733 * src/reader.c (copy_definition): Remove.
17734
17735 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
17736 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
17737 (grammar_current_rule_prec_set, grammar_current_rule_check)
17738 (grammar_current_rule_symbol_append)
17739 (grammar_current_rule_action_append): Export.
17740 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
17741 (symbol_list_action_append): Remove.
17742 Hook the routines from reader.
17743 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
17744 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
17745
17746 * src/reader.c (read_declarations): Remove, unused.
17747
17748 * src/parse-gram.y: Handle the epilogue.
17749 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
17750 (grammar_start_symbol_set): this.
17751 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
17752 * src/reader.c (readgram): Remove, unused.
17753 (reader): Adjust to insert eoftoken and axiom where appropriate.
17754
17755 * src/reader.c (copy_dollar): Replace with...
17756 * src/scan-gram.h (handle_dollar): this.
17757 * src/parse-gram.y: Remove `%thong'.
17758
17759 * src/reader.c (copy_at): Replace with...
17760 * src/scan-gram.h (handle_at): this.
17761
17762 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
17763 New.
17764
17765 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
17766 time being.
17767
17768 * src/reader.h, src/reader.c (grammar_rule_end): New.
17769
17770 * src/parse.y (current_type, current_class): New.
17771 Implement `%nterm', `%token' support.
17772 Merge `%term' into `%token'.
17773 (string_as_id): New.
17774 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
17775 type name.
17776
17777 * src/parse-gram.y: Be sure to handle properly the beginning of
17778 rules.
17779
17780 * src/parse-gram.y: Handle %type.
17781 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
17782
17783 * src/parse-gram.y: More directives support.
17784 * src/options.c: No longer handle source directives.
17785
17786 * src/parse-gram.y: Fix %output.
17787
17788 * src/parse-gram.y: Handle %union.
17789 Use the prologue locations.
17790 * src/reader.c (parse_union_decl): Remove.
17791
17792 * src/reader.h, src/reader.c (epilogue_set): New.
17793 * src/parse-gram.y: Use it.
17794
17795 * data/bison.simple, data/bison.c++: b4_stype is now either not
17796 defined, then default to int, or to the contents of %union,
17797 without `union' itself.
17798 Adjust.
17799 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
17800
17801 * src/output.c (actions_output): Don't output braces, as they are
17802 already handled by the scanner.
17803
17804 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
17805 characters to themselves.
17806
17807 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
17808 that the epilogue has a proper #line.
17809
17810 * src/parse-gram.y: Handle precedence/associativity.
17811
17812 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
17813 a terminal.
17814 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
17815 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
17816 at all to define terminals that cannot be emitted.
17817
17818 * src/scan-gram.l: Escape M4 characters.
17819
17820 * src/scan-gram.l: Working properly with escapes in user
17821 strings/characters.
17822
17823 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
17824 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
17825 grammar.
17826 Use more modest sizes, as for the time being the parser does not
17827 release memory, and therefore the process swallows a huge amount
17828 of memory.
17829
17830 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
17831 stricter %token grammar.
17832
17833 * src/symtab.h (associativity): Add `undef_assoc'.
17834 (symbol_precedence_set): Do nothing when passed an undef_assoc.
17835 * src/symtab.c (symbol_check_alias_consistence): Adjust.
17836
17837 * tests/regression.at (Invalid %directive): Remove, as it is now
17838 meaningless.
17839 (Invalid inputs): Adjust to the new error messages.
17840 (Token definitions): The new grammar doesn't allow too many
17841 eccentricities.
17842
17843 * src/lex.h, src/lex.c: Remove.
17844 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
17845 (copy_character, copy_string2, copy_string, copy_identifier)
17846 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
17847 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
17848 (parse_action): Remove.
17849 * po/POTFILES.in: Adjust.
17850
17851 2002-06-11 Akim Demaille <akim@epita.fr>
17852
17853 * src/reader.c (parse_action): Don't store directly into the
17854 rule's action member: return the action as a string.
17855 Don't require `rule_length' as an argument: compute it.
17856 (grammar_current_rule_symbol_append)
17857 (grammar_current_rule_action_append): New, eved out from
17858 (readgram): here.
17859 Remove `action_flag', `rulelength', unused now.
17860
17861 2002-06-11 Akim Demaille <akim@epita.fr>
17862
17863 * src/reader.c (grammar_current_rule_prec_set).
17864 (grammar_current_rule_check): New, eved out from...
17865 (readgram): here.
17866 Remove `xaction', `first_rhs': useless.
17867 * tests/input.at (Type clashes): New.
17868 * tests/existing.at (GNU Cim Grammar): Adjust.
17869
17870 2002-06-11 Akim Demaille <akim@epita.fr>
17871
17872 * src/reader.c (grammar_midrule_action): New, Eved out from
17873 (readgram): here.
17874
17875 2002-06-11 Akim Demaille <akim@epita.fr>
17876
17877 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
17878 New.
17879 (readgram): Use them as replacement of inlined code, crule and
17880 crule1.
17881
17882 2002-06-11 Akim Demaille <akim@epita.fr>
17883
17884 * src/reader.c (grammar_end, grammar_symbol_append): New.
17885 (readgram): Use them.
17886 Make the use of `p' as local as possible.
17887
17888 2002-06-10 Akim Demaille <akim@epita.fr>
17889
17890 GCJ's parser requires the tokens to be defined before the prologue.
17891
17892 * data/bison.simple: Output the token definition before the user's
17893 prologue.
17894 * tests/regression.at (Braces parsing, Duplicate string)
17895 (Mixing %token styles): Check the output from bison.
17896 (Early token definitions): New.
17897
17898 2002-06-10 Akim Demaille <akim@epita.fr>
17899
17900 * src/symtab.c (symbol_user_token_number_set): Don't complain when
17901 assigning twice the same user number to a token, so that we can
17902 use it in...
17903 * src/lex.c (lex): here.
17904 Also use `symbol_class_set' instead of hand written code.
17905 * src/reader.c (parse_assoc_decl): Likewise.
17906
17907 2002-06-10 Akim Demaille <akim@epita.fr>
17908
17909 * src/symtab.c, src/symtab.c (symbol_class_set)
17910 (symbol_user_token_number_set): New.
17911 * src/reader.c (parse_token_decl): Use them.
17912 Use a switch instead of ifs.
17913 Use a single argument.
17914
17915 2002-06-10 Akim Demaille <akim@epita.fr>
17916
17917 Remove `%thong' support as it is undocumented, unused, duplicates
17918 `%token's job, and creates useless e-mail traffic with people who
17919 want to know what it is, why it is undocumented, unused, and
17920 duplicates `%token's job.
17921
17922 * src/reader.c (parse_thong_decl): Remove.
17923 * src/options.c (option_table): Remove "thong".
17924 * src/lex.h (tok_thong): Remove.
17925
17926 2002-06-10 Akim Demaille <akim@epita.fr>
17927
17928 * src/symtab.c, src/symtab.c (symbol_type_set)
17929 (symbol_precedence_set): New.
17930 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
17931 (value_components_used): Remove, unused.
17932
17933 2002-06-09 Akim Demaille <akim@epita.fr>
17934
17935 Move symbols handling code out of the reader.
17936
17937 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
17938 (axiom): Move to...
17939 * src/symtab.h, src/symtab.c: here.
17940
17941 * src/gram.c (start_symbol): Remove: use startsymbol->number.
17942 * src/reader.c (startval): Rename as...
17943 * src/symtab.h, src/symtab.c (startsymbol): this.
17944 * src/reader.c: Adjust.
17945
17946 * src/reader.c (symbol_check_defined, symbol_make_alias)
17947 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17948 (token_translations_init)
17949 Move to...
17950 * src/symtab.c: here.
17951 * src/reader.c (packsymbols): Move to...
17952 * src/symtab.h, src/symtab.c (symbols_pack): here.
17953 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
17954 argument.
17955
17956 2002-06-03 Akim Demaille <akim@epita.fr>
17957
17958 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
17959 then statements.
17960
17961 2002-06-03 Akim Demaille <akim@epita.fr>
17962
17963 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
17964 structs with non literals.
17965 * src/scan-skel.l: never-interactive.
17966 * src/conflicts.c (enum conflict_resolution_e): No trailing
17967 comma.
17968 * src/getargs.c (usage): Split long literal strings.
17969 Reported by Hans Aberg.
17970
17971 2002-05-28 Akim Demaille <akim@epita.fr>
17972
17973 * data/bison.c++: Use C++ ostreams.
17974 (cdebug_): New member.
17975
17976 2002-05-28 Akim Demaille <akim@epita.fr>
17977
17978 * src/output.c (output_skeleton): Be sure to allocate enough room
17979 for `/' _and_ for `\0' in full_skeleton.
17980
17981 2002-05-28 Akim Demaille <akim@epita.fr>
17982
17983 * data/bison.c++: Catch up with bison.simple:
17984 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17985 and Paul Eggert <eggert@twinsun.com>: `error' handing.
17986 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
17987 and popping traces.
17988
17989 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17990
17991 * src/output.c (output_skeleton): Put an explicit path in front of
17992 the skeleton file name, rather than relying on the -I directory,
17993 to partially alleviate effects of having a skeleton file lying around
17994 in the current directory.
17995
17996 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
17997
17998 * src/conflicts.c (log_resolution): Correct typo:
17999 obstack_printf should be obstack_fgrow1.
18000
18001 2002-05-26 Akim Demaille <akim@epita.fr>
18002
18003 * src/state.h (state_t): `solved_conflicts' is a new member.
18004 * src/LR0.c (new_state): Set it to 0.
18005 * src/conflicts.h, src/conflicts.c (print_conflicts)
18006 (free_conflicts, solve_conflicts): Rename as...
18007 (conflicts_print, conflicts_free, conflicts_solve): these.
18008 Adjust callers.
18009 * src/conflicts.c (enum conflict_resolution_e)
18010 (solved_conflicts_obstack): New, used by...
18011 (log_resolution): this.
18012 Adjust to attach the conflict resolution to each state.
18013 Complete the description with the precedence/associativity
18014 information.
18015 (resolve_sr_conflict): Adjust.
18016 * src/print.c (print_state): Output its solved_conflicts.
18017 * tests/conflicts.at (Unresolved SR Conflicts)
18018 (Solved SR Conflicts): Exercise --report=all.
18019
18020 2002-05-26 Akim Demaille <akim@epita.fr>
18021
18022 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
18023 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
18024 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
18025 (token_number_t, item_number_as_token_number)
18026 (token_number_as_item_number, muscle_insert_token_number_table):
18027 Rename as...
18028 (symbol_number_t, item_number_as_symbol_number)
18029 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
18030 these, since it is more appropriate.
18031
18032 2002-05-26 Akim Demaille <akim@epita.fr>
18033
18034 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
18035 `Error:' lines.
18036 * data/bison.simple (yystos) [YYDEBUG]: New.
18037 (yyparse) [YYDEBUG]: Display the symbols which are popped during
18038 error recovery.
18039 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
18040
18041 2002-05-25 Akim Demaille <akim@epita.fr>
18042
18043 * doc/bison.texinfo (Debugging): Split into...
18044 (Tracing): this new section, its former contents, and...
18045 (Understanding): this new section.
18046 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
18047 by...
18048 (report_flag): this.
18049 Adjust all dependencies.
18050 (report_args, report_types, report_argmatch): New.
18051 (usage, getargs): Report/support -r, --report.
18052 * src/options.h
18053 (struct option_table_struct): Rename as..,
18054 (struct option_table_s): this.
18055 Rename the `set_flag' member to `flag' to match with getopt_long's
18056 struct.
18057 * src/options.c (option_table): Split verbose into an entry for
18058 %verbose, and another for --verbose.
18059 Support --report/-r, so remove -r from the obsolete --raw.
18060 * src/print.c: Attach full item sets and lookaheads reports to
18061 report_flag instead of trace_flag.
18062 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
18063
18064 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18065 and Paul Eggert <eggert@twinsun.com>
18066
18067 * data/bison.simple (yyparse): Correct error handling to conform to
18068 POSIX and yacc. Specifically, after syntax error is discovered,
18069 do not reduce further before shifting the error token.
18070 Clean up the code a bit by removing the labels yyerrdefault,
18071 yyerrhandle, yyerrpop.
18072 * NEWS: Document the above.
18073
18074 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18075
18076 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
18077 type; it isn't always big enough, since it doesn't necessarily
18078 include non-terminals.
18079 (yytranslate): Expand definition of yy_token_number_type, so that
18080 the latter can be removed.
18081 (yy_token_number_type): Remove, only one use.
18082 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
18083 don't use TokenNumberType as element type.
18084
18085 * tests/regression.at: Modify expected output to agree with change
18086 to yyr1 and yytranslate.
18087
18088 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
18089
18090 * src/reader.c (parse_action): Use copy_character instead of
18091 obstack_1grow.
18092
18093 2002-05-13 Akim Demaille <akim@epita.fr>
18094
18095 * tests/regression.at (Token definitions): Prototype yylex and
18096 yyerror.
18097
18098 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18099
18100 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
18101 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
18102 32-bit arithmetic.
18103 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
18104
18105 2002-05-07 Akim Demaille <akim@epita.fr>
18106
18107 * tests/synclines.at: Be sure to prototype yylex and yyerror to
18108 avoid GCC warnings.
18109
18110 2002-05-07 Akim Demaille <akim@epita.fr>
18111
18112 Kill GCC warnings.
18113
18114 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
18115 over the RHS of each rule.
18116 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
18117 * src/state.h (state_t): Member `nitems' is unsigned short.
18118 * src/LR0.c (get_state): Adjust.
18119 * src/reader.c (packgram): Likewise.
18120 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
18121 `Type'.
18122 (muscle_insert_int_table): Remove, unused.
18123 (prepare_rules): Remove `max'.
18124
18125 2002-05-06 Akim Demaille <akim@epita.fr>
18126
18127 * src/closure.c (print_firsts): Display of the symbol tags.
18128 (bitmatrix_print): Move to...
18129 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
18130 here.
18131 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
18132
18133 2002-05-06 Akim Demaille <akim@epita.fr>
18134
18135 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
18136 hash_do_for_each.
18137
18138 2002-05-06 Akim Demaille <akim@epita.fr>
18139
18140 * src/LR0.c (new_state, get_state): Instead of using the global
18141 `kernel_size' and `kernel_base', have two new arguments:
18142 `core_size' and `core'.
18143 Adjust callers.
18144
18145 2002-05-06 Akim Demaille <akim@epita.fr>
18146
18147 * src/reader.c (packgram): No longer end `ritem' with a 0
18148 sentinel: it is not used.
18149
18150 2002-05-05 Akim Demaille <akim@epita.fr>
18151
18152 New experimental feature: display the lookaheads in the report and
18153 graph.
18154
18155 * src/print (print_core): When --trace-flag, display the rules
18156 lookaheads.
18157 * src/print_graph.c (print_core): Likewise.
18158 Swap the arguments.
18159 Adjust caller.
18160
18161 2002-05-05 Akim Demaille <akim@epita.fr>
18162
18163 * tests/torture.at (Many lookaheads): New test.
18164
18165 2002-05-05 Akim Demaille <akim@epita.fr>
18166
18167 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
18168 (GENERATE_MUSCLE_INSERT_TABLE): this.
18169 (output_int_table, output_unsigned_int_table, output_short_table)
18170 (output_token_number_table, output_item_number_table): Replace with...
18171 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
18172 (muscle_insert_short_table, muscle_insert_token_number_table)
18173 (muscle_insert_item_number_table): these.
18174 Adjust all callers.
18175 (prepare_tokens): Don't free `translations', since...
18176 * src/reader.h, src/reader.c (grammar_free): do it.
18177 Move to...
18178 * src/gram.h, src/gram.c (grammar_free): here.
18179 * data/bison.simple, data/bison.c++: b4_token_number_max is now
18180 b4_translate_max.
18181
18182 2002-05-05 Akim Demaille <akim@epita.fr>
18183
18184 * src/output.c (output_unsigned_int_table): New.
18185 (prepare_rules): `i' is unsigned.
18186 `prhs', `rline', `r2' are unsigned int.
18187 Rename muscle `rhs_number_max' as `rhs_max'.
18188 Output muscles `prhs_max', `rline_max', and `r2_max'.
18189 Free rline and r1.
18190 * data/bison.simple, data/bison.c++: Adjust to use these muscles
18191 to compute types instead of constant types.
18192 * tests/regression.at (Web2c Actions): Adjust.
18193
18194 2002-05-04 Akim Demaille <akim@epita.fr>
18195
18196 * src/symtab.h (SALIAS, SUNDEF): Rename as...
18197 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
18198 Adjust dependencies.
18199 * src/output.c (token_definitions_output): Be sure not to output a
18200 `#define 'a'' when fed with `%token 'a' "a"'.
18201 * tests/regression.at (Token definitions): New.
18202
18203 2002-05-03 Paul Eggert <eggert@twinsun.com>
18204
18205 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
18206 for K&R C.
18207
18208 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
18209
18210 * Makefile.am (SUBDIRS): Remove intl.
18211 (EXTRA_DIST): Add config/config.rpath.
18212
18213 2002-05-03 Akim Demaille <akim@epita.fr>
18214
18215 * data/bison.simple (m4_if): Don't output empty enums.
18216 And actually, output valid enum definitions :(.
18217
18218 2002-05-03 Akim Demaille <akim@epita.fr>
18219
18220 * configure.bat: Remove, completely obsolete.
18221 * Makefile.am (EXTRA_DIST): Adjust.
18222 Don't distribute config.rpath...
18223 * config/Makefile.am (EXTRA_DIST): Do it.
18224
18225 2002-05-03 Akim Demaille <akim@epita.fr>
18226
18227 * configure.in (GETTEXT_VERSION): New.
18228 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
18229
18230 2002-05-03 Akim Demaille <akim@epita.fr>
18231
18232 * data/bison.simple (b4_token_enum): New.
18233 (b4_token_defines): Use it to output tokens both as #define and
18234 enums.
18235 Suggested by Paul Eggert.
18236 * src/output.c (token_definitions_output): Don't output spurious
18237 white spaces.
18238
18239 2002-05-03 Akim Demaille <akim@epita.fr>
18240
18241 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
18242
18243 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
18244
18245 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
18246 Update the stack class, give a try to deque as the default container.
18247
18248 2002-05-02 Akim Demaille <akim@epita.fr>
18249
18250 * data/bison.simple (yyparse): Do not implement @$ = @1.
18251 (YYLLOC_DEFAULT): Adjust to do it.
18252 * doc/bison.texinfo (Location Default Action): Fix.
18253
18254 2002-05-02 Akim Demaille <akim@epita.fr>
18255
18256 * src/reader.c (parse_braces): Merge into...
18257 (parse_action): this.
18258
18259 2002-05-02 Akim Demaille <akim@epita.fr>
18260
18261 * configure.in (ALL_LINGUAS): Remove.
18262 * po/LINGUAS, hr.po: New.
18263
18264 2002-05-02 Akim Demaille <akim@epita.fr>
18265
18266 Remove the so called hairy (semantic) parsers.
18267
18268 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
18269 * src/gram.h, src/gram.c (semantic_parser): Remove.
18270 (rule_t): Remove the guard and guard_line members.
18271 * src/lex.h (token_t): remove tok_guard.
18272 * src/options.c (option_table): Remove %guard and %semantic_parser
18273 support.
18274 * src/output.c, src/output.h (guards_output): Remove.
18275 (prepare): Adjust.
18276 (token_definitions_output): Don't output the `T'
18277 tokens (???).
18278 (output_skeleton): Don't output the guards.
18279 * src/files.c, src/files.c (attrsfile): Remove.
18280 * src/reader.c (symbol_list): Remove the guard and guard_line
18281 members.
18282 Adjust dependencies.
18283 (parse_guard): Remove.
18284 * data/bison.hairy: Remove.
18285 * doc/bison.texinfo (Environment Variables): Remove occurrences of
18286 BISON_HAIRY.
18287
18288 2002-05-02 Akim Demaille <akim@epita.fr>
18289
18290 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
18291 (parse_guard): Rename the formal argument `stack_offset' as
18292 `rule_length', which is more readable.
18293 Adjust callers.
18294 (copy_at, copy_dollar): Instead of outputting the hard coded
18295 values of $$, $n and so forth, output invocation to b4_lhs_value,
18296 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
18297 Note: this patch partially drops `semantic-parser' support: it
18298 always does `rule_length - n', where semantic parsers ought to
18299 always use `-n'.
18300 * data/bison.simple, data/bison.c++ (b4_lhs_value)
18301 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
18302
18303 2002-05-02 Akim Demaille <akim@epita.fr>
18304
18305 * configure.in (AC_INIT): Bump to 1.49b.
18306 (AM_INIT_AUTOMAKE): Short invocation.
18307
18308 2002-05-02 Akim Demaille <akim@epita.fr>
18309
18310 Version 1.49a.
18311
18312 2002-05-01 Akim Demaille <akim@epita.fr>
18313
18314 * src/skeleton.h: Remove.
18315
18316 2002-05-01 Akim Demaille <akim@epita.fr>
18317
18318 * src/skeleton.h: Fix the #endif.
18319 Reported by Magnus Fromreide.
18320
18321 2002-04-26 Paul Eggert <eggert@twinsun.com>
18322
18323 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
18324 Define if we define YYSTYPE and YYLTYPE, respectively.
18325 (YYCOPY): Fix [] quoting problem in the non-GCC case.
18326
18327 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
18328
18329 * src/scan-skel.l: Postprocess quadrigraphs.
18330
18331 * src/reader.c (copy_character): New function, used to output
18332 single characters while replacing `[' and `]' with quadrigraphs, to
18333 avoid troubles with M4 quotes.
18334 (copy_comment): Output characters with copy_character.
18335 (read_additionnal_code): Likewise.
18336 (copy_string2): Likewise.
18337 (copy_definition): Likewise.
18338
18339 * tests/calc.at: Exercise M4 quoting.
18340
18341 2002-04-25 Akim Demaille <akim@epita.fr>
18342
18343 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
18344 between `!' and the command.
18345 Reported by Paul Eggert.
18346
18347 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
18348
18349 * tests/calc.at: Exercise prologue splitting.
18350
18351 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
18352 `b4_post_prologue' instead of `b4_prologue'.
18353
18354 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
18355 muscles.
18356 (output): Free pre_prologue_obstack and post_prologue_obstack.
18357 * src/files.h, src/files.c (attrs_obstack): Remove.
18358 (pre_prologue_obstack, post_prologue_obstack): New.
18359 * src/reader.c (copy_definition): Add a parameter to specify the
18360 obstack to fill, instead of using attrs_obstack unconditionally.
18361 (read_declarations): Pass pre_prologue_obstack to copy_definition if
18362 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
18363
18364 2002-04-23 Paul Eggert <eggert@twinsun.com>
18365
18366 * data/bison.simple: Remove unnecessary commentary and white
18367 space differences from 1_29-branch.
18368 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
18369
18370 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
18371 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
18372 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
18373 constructors or destructors.
18374
18375 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
18376
18377 2002-04-23 Akim Demaille <akim@epita.fr>
18378
18379 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
18380 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
18381 location with columns.
18382 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
18383 All reported by Paul Eggert.
18384
18385 2002-04-22 Akim Demaille <akim@epita.fr>
18386
18387 * src/reduce.c (dump_grammar): Move to...
18388 * src/gram.h, src/gram.c (grammar_dump): here.
18389 Be sure to separate long item numbers.
18390 Don't read the members of a rule's prec if its nil.
18391
18392 2002-04-22 Akim Demaille <akim@epita.fr>
18393
18394 * src/output.c (table_size, table_grow): New.
18395 (MAXTABLE): Remove, replace uses with table_size.
18396 (pack_vector): Instead of dying when the table is too big, grow it.
18397
18398 2002-04-22 Akim Demaille <akim@epita.fr>
18399
18400 * data/bison.simple (yyr1): Its type is that of a token number.
18401 * data/bison.c++ (r1_): Likewise.
18402 * tests/regression.at (Web2c Actions): Adjust.
18403
18404 2002-04-22 Akim Demaille <akim@epita.fr>
18405
18406 * src/reader.c (token_translations_init): 256 is now the default
18407 value for the error token, i.e., it will be assigned another
18408 number if the user assigned 256 to one of her tokens.
18409 (reader): Don't force 256 to error.
18410 * doc/bison.texinfo (Symbols): Adjust.
18411 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
18412 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
18413 etc. instead of 10, 20, 30 (which was used to `jump' over error
18414 (256) and undefined (2)).
18415
18416 2002-04-22 Akim Demaille <akim@epita.fr>
18417
18418 Propagate more token_number_t.
18419
18420 * src/gram.h (token_number_as_item_number)
18421 (item_number_as_token_number): New.
18422 * src/output.c (GENERATE_OUTPUT_TABLE): New.
18423 Use it to create output_item_number_table and
18424 output_token_number_table.
18425 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
18426 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
18427 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
18428 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
18429
18430 2002-04-22 Akim Demaille <akim@epita.fr>
18431
18432 * src/output.h, src/output.c (get_lines_number): Remove.
18433
18434 2002-04-19 Akim Demaille <akim@epita.fr>
18435
18436 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
18437 as Lex/Flex'.
18438 (Debugging): More details about enabling the debugging features.
18439 (Table of Symbols): Describe $$, $n, @$, and @n.
18440 Suggested by Tim Josling.
18441
18442 2002-04-19 Akim Demaille <akim@epita.fr>
18443
18444 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
18445
18446 2002-04-10 Akim Demaille <akim@epita.fr>
18447
18448 * src/system.h: Rely on HAVE_LIMITS_H.
18449 Suggested by Paul Eggert.
18450
18451 2002-04-09 Akim Demaille <akim@epita.fr>
18452
18453 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
18454 full stderr, and strip it according to the bison options, instead
18455 of composing the error message from different bits.
18456 This makes it easier to check for several error messages.
18457 Adjust all the invocations.
18458 Add an invocation exercising the error token.
18459 Add an invocation demonstrating a stupid error message.
18460 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
18461 Adjust the tests.
18462 Error message are for stderr, not stdout.
18463
18464 2002-04-09 Akim Demaille <akim@epita.fr>
18465
18466 * src/gram.h, src/gram.c (error_token_number): Remove, use
18467 errtoken->number.
18468 * src/reader.c (reader): Don't specify the user token number (2)
18469 for $undefined, as it uselessly prevents using it.
18470 * src/gram.h (token_number_t): Move to...
18471 * src/symtab.h: here.
18472 (state_t.number): Is a token_number_t.
18473 * src/print.c, src/reader.c: Use undeftoken->number instead of
18474 hard coded 2.
18475 (Even though this 2 is not the same as above: the number of the
18476 undeftoken remains being 2, it is its user token number which
18477 might not be 2).
18478 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
18479 `user_token_number_max'.
18480 Output `undef_token_number'.
18481 * data/bison.simple, data/bison.c++: Use them.
18482 Be sure to map invalid yylex return values to
18483 `undef_token_number'. This saves us from gratuitous SEGV.
18484
18485 * tests/conflicts.at (Solved SR Conflicts)
18486 (Unresolved SR Conflicts): Adjust.
18487 * tests/regression.at (Web2c Actions): Adjust.
18488
18489 2002-04-08 Akim Demaille <akim@epita.fr>
18490
18491 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
18492 Adding #line.
18493 Remove the duplicate `typedefs'.
18494 (RhsNumberType): Fix the declaration and various other typos.
18495 Use __ofile__.
18496 * data/bison.simple: Use __ofile__.
18497 * src/scan-skel.l: Handle __ofile__.
18498
18499 2002-04-08 Akim Demaille <akim@epita.fr>
18500
18501 * src/gram.h (item_number_t): New, the type of item numbers in
18502 RITEM. Note that it must be able to code symbol numbers as
18503 positive number, and the negation of rule numbers as negative
18504 numbers.
18505 Adjust all dependencies (pretty many).
18506 * src/reduce.c (rule): Remove this `short *' pointer: use
18507 item_number_t.
18508 * src/system.h (MINSHORT, MAXSHORT): Remove.
18509 Include `limits.h'.
18510 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
18511 (shortcpy): Remove.
18512 (MAXTABLE): Move to...
18513 * src/output.c (MAXTABLE): here.
18514 (prepare_rules): Use output_int_table to output rhs.
18515 * data/bison.simple, data/bison.c++: Adjust.
18516 * tests/torture.at (Big triangle): Move the limit from 254 to
18517 500.
18518 * tests/regression.at (Web2c Actions): Ajust.
18519
18520 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
18521 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
18522 passes, but produces negative #line number, once fixed, GCC is
18523 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
18524 C), it passes.
18525 * src/state.h (state_h): Code input lines on ints, not shorts.
18526
18527 2002-04-08 Akim Demaille <akim@epita.fr>
18528
18529 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
18530 and then the grammar.
18531
18532 2002-04-08 Akim Demaille <akim@epita.fr>
18533
18534 * src/system.h: No longer using strndup.
18535
18536 2002-04-07 Akim Demaille <akim@epita.fr>
18537
18538 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
18539 * src/output.c (output_table_data): Return the longest number.
18540 (prepare_tokens): Output `token_number_max').
18541 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
18542 New.
18543 Use them to define yy_token_number_type/TokenNumberType.
18544 Use this type for yytranslate.
18545 * tests/torture.at (Big triangle): Push the limit from 124 to
18546 253.
18547 * tests/regression.at (Web2c Actions): Adjust.
18548
18549 2002-04-07 Akim Demaille <akim@epita.fr>
18550
18551 * tests/torture.at (Big triangle): New.
18552 (GNU AWK Grammar, GNU Cim Grammar): Move to...
18553 * tests/existing.at: here.
18554
18555 2002-04-07 Akim Demaille <akim@epita.fr>
18556
18557 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
18558 nritems.
18559 Adjust dependencies.
18560
18561 2002-04-07 Akim Demaille <akim@epita.fr>
18562
18563 * src/reader.c: Normalize increments to prefix form.
18564
18565 2002-04-07 Akim Demaille <akim@epita.fr>
18566
18567 * src/reader.c, symtab.c: Remove debugging code.
18568
18569 2002-04-07 Akim Demaille <akim@epita.fr>
18570
18571 Rename all the `bucket's as `symbol_t'.
18572
18573 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
18574 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
18575 * src/symtab.c, src/symtab.h (bucket): Rename as...
18576 (symbol_t): this.
18577 (symbol_list_new, bucket_check_defined, bucket_make_alias)
18578 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
18579 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
18580 (buckets_new, buckets_free, buckets_do): Rename as...
18581 (symbol_list_new, symbol_check_defined, symbol_make_alias)
18582 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
18583 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
18584 (symbols_new, symbols_free, symbols_do): these.
18585
18586 2002-04-07 Akim Demaille <akim@epita.fr>
18587
18588 Use lib/hash for the symbol table.
18589
18590 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
18591 EOF.
18592 * src/lex.c (lex): Set the `number' member of new terminals.
18593 * src/reader.c (bucket_check_defined, bucket_make_alias)
18594 (bucket_check_alias_consistence, bucket_translation): New.
18595 (reader, grammar_free, readgram, token_translations_init)
18596 (packsymbols): Adjust.
18597 (reader): Number the predefined tokens.
18598 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
18599 for predefined tokens.
18600 * src/symtab.h (bucket): Remove all the hash table related
18601 members.
18602 * src/symtab.c (symtab): Replace by...
18603 (bucket_table): this.
18604 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
18605 (buckets_new, buckets_do): New.
18606
18607 2002-04-07 Akim Demaille <akim@epita.fr>
18608
18609 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
18610 (start_symbol, max_user_token_number, semantic_parser)
18611 (error_token_number): Initialize.
18612 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
18613 Initialize.
18614 (reader): Don't.
18615 (errtoken, eoftoken, undeftoken, axiom): Extern.
18616
18617 2002-04-07 Akim Demaille <akim@epita.fr>
18618
18619 * src/gram.h (rule_s): prec and precsym are now pointers
18620 to the bucket giving the priority/associativity.
18621 Member `associativity' removed: useless.
18622 * src/reduce.c, src/conflicts.c: Adjust.
18623
18624 2002-04-07 Akim Demaille <akim@epita.fr>
18625
18626 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
18627 Properly escape the symbols' TAG when outputting them.
18628
18629 2002-04-07 Akim Demaille <akim@epita.fr>
18630
18631 * src/lalr.h (LA): Is a bitsetv, not bitset*.
18632
18633 2002-04-07 Akim Demaille <akim@epita.fr>
18634
18635 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
18636 (LArule): this, which is an array to rule_t*.
18637 * src/print.c, src/conflicts.c: Adjust.
18638
18639 2002-04-07 Akim Demaille <akim@epita.fr>
18640
18641 * src/gram.h (rule_t): Rename `number' as `user_number'.
18642 `number' is a new member.
18643 Adjust dependencies.
18644 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
18645
18646 2002-04-07 Akim Demaille <akim@epita.fr>
18647
18648 As a result of the previous patch, it is no longer needed
18649 to reorder ritem itself.
18650
18651 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
18652
18653 2002-04-07 Akim Demaille <akim@epita.fr>
18654
18655 Be sure never to walk through RITEMS, but use only data related to
18656 the rules themselves. RITEMS should be banished.
18657
18658 * src/output.c (output_token_translations): Rename as...
18659 (prepare_tokens): this.
18660 In addition to `translate', prepare the muscles `tname' and
18661 `toknum', which were handled by...
18662 (output_rule_data): this.
18663 Remove, and move the remainder of its outputs into...
18664 (prepare_rules): this new routines, which also merges content from
18665 (output_gram): this.
18666 (prepare_rules): Be sure never to walk through RITEMS.
18667 (output_stos): Rename as...
18668 (prepare_stos): this.
18669 (output): Always invoke prepare_states, after all, just don't use it
18670 in the output if you don't need it.
18671
18672 2002-04-07 Akim Demaille <akim@epita.fr>
18673
18674 * src/LR0.c (new_state): Display `nstates' as the name of the
18675 newly created state.
18676 Adjust to initialize first_state and last_state if needed.
18677 Be sure to distinguish the initial from the final state.
18678 (new_states): Create the itemset of the initial state, and use
18679 new_state.
18680 * src/closure.c (closure): Now that the initial state has its
18681 items properly set, there is no need for a special case when
18682 creating `ruleset'.
18683
18684 As a result, now the rule 0, reducing to $axiom, is visible in the
18685 outputs. Adjust the test suite.
18686
18687 * tests/conflicts.at (Solved SR Conflicts)
18688 (Unresolved SR Conflicts): Adjust.
18689 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
18690 * tests/conflicts.at (S/R in initial): New.
18691
18692 2002-04-07 Akim Demaille <akim@epita.fr>
18693
18694 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
18695 the RHS of the rules.
18696 * src/output.c (output_gram): Likewise.
18697
18698 2002-04-07 Akim Demaille <akim@epita.fr>
18699
18700 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
18701 bucket.
18702 Adjust all dependencies.
18703 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
18704 `number' of the buckets too.
18705 * src/gram.h: Include `symtab.h'.
18706 (associativity): Move to...
18707 * src/symtab.h: here.
18708 No longer include `gram.h'.
18709
18710 2002-04-07 Akim Demaille <akim@epita.fr>
18711
18712 * src/gram.h, src/gram.c (rules_rhs_length): New.
18713 (ritem_longest_rhs): Use it.
18714 * src/gram.h (rule_t): `number' is a new member.
18715 * src/reader.c (packgram): Set it.
18716 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
18717 the end of `rules', and count them out of `nrules'.
18718 (reduce_output, dump_grammar): Adjust.
18719 * src/print.c (print_grammar): It is no longer needed to check for
18720 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
18721 * tests/reduce.at (Reduced Automaton): New test.
18722
18723 2002-04-07 Akim Demaille <akim@epita.fr>
18724
18725 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
18726 lacking `+ 1' to nrules, Bison reported as useless a token if it
18727 was used solely to set the precedence of the last rule...
18728
18729 2002-04-07 Akim Demaille <akim@epita.fr>
18730
18731 * data/bison.c++, data/bison.simple: Don't output the current file
18732 name in #line, to avoid useless diffs between two identical
18733 outputs under different names.
18734
18735 2002-04-07 Akim Demaille <akim@epita.fr>
18736
18737 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
18738 Normalize loops to using `< nrules + 1', not `<= nrules'.
18739
18740 2002-04-07 Akim Demaille <akim@epita.fr>
18741
18742 * TODO: Update.
18743
18744 2002-04-07 Akim Demaille <akim@epita.fr>
18745
18746 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
18747 bucket.value as bucket.number.
18748
18749 2002-04-07 Akim Demaille <akim@epita.fr>
18750
18751 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
18752 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
18753 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
18754 RHS, instead of being an index in RITEMS.
18755
18756 2002-04-04 Paul Eggert <eggert@twinsun.com>
18757
18758 * doc/bison.texinfo: Update copyright date.
18759 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
18760 (Symbols): Warn about running Bison in one character set,
18761 but compiling and/or running in an incompatible one.
18762 Warn about character code 256, too.
18763
18764 2002-04-03 Paul Eggert <eggert@twinsun.com>
18765
18766 * src/bison.data (YYSTACK_ALLOC): Depend on whether
18767 YYERROR_VERBOSE is nonzero, not whether it is defined.
18768
18769 Merge changes from bison-1_29-branch.
18770
18771 2002-03-20 Paul Eggert <eggert@twinsun.com>
18772
18773 Merge fixes from Debian bison_1.34-1.diff.
18774
18775 * configure.in (AC_PREREQ): 2.53.
18776
18777 2002-03-20 Akim Demaille <akim@epita.fr>
18778
18779 * src/conflicts.c (log_resolution): Argument `resolution' is const.
18780
18781 2002-03-19 Paul Eggert <eggert@twinsun.com>
18782
18783 * src/bison.simple (YYCOPY): New macro.
18784 (YYSTACK_RELOCATE): Use it.
18785 Remove Type arg; no longer needed. All callers changed.
18786 (yymemcpy): Remove; no longer needed.
18787
18788 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
18789 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
18790
18791 2002-03-19 Akim Demaille <akim@epita.fr>
18792
18793 Test and fix the #line outputs.
18794
18795 * tests/atlocal.at (GCC): New.
18796 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
18797 (Prologue synch line, %union synch line, Postprologue synch line)
18798 (Action synch line, Epilogue synch line): New tests.
18799 * src/reader.c (parse_union_decl): Define the muscle stype_line.
18800 * data/bison.simple, data/bison.c++: Use it.
18801
18802 2002-03-19 Akim Demaille <akim@epita.fr>
18803
18804 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
18805 (Solved SR Conflicts, %expect not enough, %expect right)
18806 (%expect too much): Move to...
18807 * tests/conflicts.at: this new file.
18808
18809 2002-03-19 Akim Demaille <akim@epita.fr>
18810
18811 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
18812 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
18813 that we can move to enums for instance.
18814 * src/output.c (token_definitions_output): Output a list of
18815 `token-name, token-number' instead of the #define.
18816 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
18817
18818 2002-03-14 Akim Demaille <akim@epita.fr>
18819
18820 Use Gettext 0.11.1.
18821
18822 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
18823
18824 * data/bison.c++: Make the user able to add members to the generated
18825 parser by subclassing.
18826
18827 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
18828
18829 * src/reader.c (read_additionnal_code): `c' should be an integer, not
18830 a character.
18831 Reported by Nicolas Tisserand and Nicolas Burrus.
18832
18833 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18834
18835 * src/reader.c: Warn about lacking semi-colons, do not complain.
18836
18837 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18838
18839 * data/bison.c++: Remove a debug line.
18840
18841 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
18842
18843 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
18844 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
18845 provide a default implementation.
18846
18847 2002-03-04 Akim Demaille <akim@epita.fr>
18848
18849 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
18850 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
18851 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
18852 * tests/semantic.at (Parsing Guards): Similarly.
18853 * src/reader.at (readgram): Complain if the last rule is not ended
18854 with a semi-colon.
18855
18856 2002-03-04 Akim Demaille <akim@epita.fr>
18857
18858 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
18859 * src/closure.c: here.
18860 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
18861 RTC.
18862 * src/warshall.h, src/warshall.c: Remove.
18863 * tests/sets.at (Broken Closure): Adjust.
18864
18865 2002-03-04 Akim Demaille <akim@epita.fr>
18866
18867 * src/output.c (output_skeleton): tempdir is const.
18868 bytes_read is unused.
18869
18870 2002-03-04 Akim Demaille <akim@epita.fr>
18871
18872 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
18873 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
18874 Update.
18875 From Michael Hayes.
18876
18877 2002-03-04 Akim Demaille <akim@epita.fr>
18878
18879 * src/closure.c (closure): `r' is unused.
18880
18881 2002-03-04 Akim Demaille <akim@epita.fr>
18882
18883 * tests/sets.at (Broken Closure): Add the ending `;'.
18884 * src/reader.at (readgram): Complain if a rule is not ended with a
18885 semi-colon.
18886
18887 2002-03-04 Akim Demaille <akim@epita.fr>
18888
18889 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
18890 (count_sr_conflicts): Use bitset_count.
18891 * src/reduce.c (inaccessable_symbols): Ditto.
18892 (bits_size): Remove.
18893 * src/warshall.h, src/warshall.c: Convert to bitsetv.
18894
18895 2002-03-04 Akim Demaille <akim@epita.fr>
18896
18897 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
18898 * src/reduce.c: Remove the `bitset_zero's following the
18899 `bitset_create's, as now it is performed by the latter.
18900
18901 2002-03-04 Akim Demaille <akim@epita.fr>
18902
18903 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
18904 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
18905 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
18906 latest sources from Michael.
18907
18908 2002-03-04 Akim Demaille <akim@epita.fr>
18909
18910 * src/output.c (output): Don't free the grammar.
18911 * src/reader.c (grammar_free): New.
18912 * src/main.c (main): Call it and don't free symtab here.
18913
18914 2002-03-04 Akim Demaille <akim@epita.fr>
18915
18916 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
18917 before returning.
18918 Reported by Benoit Perrot.
18919
18920 2002-03-04 Akim Demaille <akim@epita.fr>
18921
18922 Use bitset operations when possible, not loops over bits.
18923
18924 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
18925 bitset_or.
18926 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
18927 * src/reduce.c (useless_nonterminals): Formatting changes.
18928 * src/warshall.c (TC): Use bitset_or.
18929
18930 2002-03-04 Akim Demaille <akim@epita.fr>
18931
18932 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
18933 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
18934 Ditto.
18935
18936 2002-03-04 Akim Demaille <akim@epita.fr>
18937
18938 * src/lalr.c (F): Now a bitset*.
18939 Adjust all dependencies.
18940
18941 2002-03-04 Akim Demaille <akim@epita.fr>
18942
18943 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
18944 Adjust all dependencies.
18945
18946 2002-03-04 Akim Demaille <akim@epita.fr>
18947
18948 * src/L0.c, src/LR0.h (nstates): Be size_t.
18949 Adjust comparisons (signed vs unsigned).
18950 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
18951 bitset*.
18952 Adjust all dependencies.
18953
18954 2002-03-04 Akim Demaille <akim@epita.fr>
18955
18956 * src/closure.c (firsts): Now, also a bitset.
18957 Adjust all dependencies.
18958 (varsetsize): Remove, now unused.
18959 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
18960
18961 2002-03-04 Akim Demaille <akim@epita.fr>
18962
18963 * src/print.c: Convert to use bitset.h, not hand coded iterations
18964 over ints.
18965
18966 2002-03-04 Akim Demaille <akim@epita.fr>
18967
18968 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
18969
18970 2002-03-04 Akim Demaille <akim@epita.fr>
18971
18972 * src/closure.c (ruleset): Be a bitset.
18973 (rulesetsize): Remove.
18974
18975 2002-03-04 Akim Demaille <akim@epita.fr>
18976
18977 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
18978 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
18979 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
18980 * src/closure.c (fderives): Be an array of bitsets.
18981
18982 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
18983
18984 * data/bison.c++: Merge the two generated headers. Insert a copyright
18985 notice in each output file.
18986
18987 2002-02-28 Akim Demaille <akim@epita.fr>
18988
18989 * data/bison.c++: Copy the prologue of bison.simple to fetch
18990 useful M4 definitions, such as b4_header_guard.
18991
18992 2002-02-25 Akim Demaille <akim@epita.fr>
18993
18994 * src/getargs.c (version): Give the name of the authors, and use a
18995 translator friendly scheme for the bgr
18996 copyright notice.
18997
18998 2002-02-25 Akim Demaille <akim@epita.fr>
18999
19000 * src/output.c (header_output): Remove, now handled completely via
19001 M4.
19002
19003 2002-02-25 Akim Demaille <akim@epita.fr>
19004
19005 * m4/m4.m4: New, from CVS Autoconf.
19006 * configure.in: Invoke it.
19007 * src/output.c (output_skeleton): Use its result instead of the
19008 hard coded name.
19009
19010 2002-02-25 Akim Demaille <akim@epita.fr>
19011
19012 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
19013 Fileutils 4.1.5.
19014 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
19015 * src/output.c (output_skeleton): Use mkstemp to create a real
19016 temporary file.
19017 Move the filling of `skeleton' and its muscle to...
19018 (prepare): here.
19019 (output): Move the definition of the prologue muscle to...
19020 (prepare): here.
19021 * src/system.h (DEFAULT_TMPDIR): New.
19022
19023 2002-02-14 Paul Eggert <eggert@twinsun.com>
19024
19025 Remove the support for C++ namespace cleanliness; it was
19026 causing more problems than it was curing, since it didn't work
19027 properly on some nonstandard C++ compilers. This can wait
19028 for a proper C++ parser.
19029
19030 * NEWS: Document this.
19031 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
19032 of C++, as it's treated like C now.
19033 * src/bison.simple (YYSTD): Remove.
19034 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
19035 Treat C++ just like Standard C instead of trying to support
19036 namespace cleanliness.
19037
19038 2002-02-14 Akim Demaille <akim@epita.fr>
19039
19040 * tests/regression.at (else): Adjust to Andreas' change.
19041
19042 2002-02-14 Akim Demaille <akim@epita.fr>
19043
19044 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
19045
19046 2002-02-13 Andreas Schwab <schwab@suse.de>
19047
19048 * src/output.c (output_rule_data): Don't output NULL, it might
19049 not be defined yet.
19050
19051 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
19052
19053 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
19054 (Copyright notice): Update.
19055
19056 2002-02-11 Akim Demaille <akim@epita.fr>
19057
19058 * tests/regression.at (%nonassoc and eof): Don't include
19059 nonportable headers.
19060
19061 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
19062
19063 * data/bison.c++: Correct error recovery. Make the user able to
19064 initialize the starting location.
19065
19066 2002-02-07 Akim Demaille <akim@epita.fr>
19067
19068 * tests/input.at: New.
19069
19070 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
19071
19072 * data/bison.c++: Replace some direct m4 expansions by constants. Be
19073 more consistent when naming methods and variables. Put preprocessor
19074 directives around tables only needed for debugging.
19075
19076 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
19077
19078 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
19079 C++ parsers.
19080 (yy::b4_name::parse): Use print_.
19081
19082 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
19083
19084 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
19085
19086 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
19087
19088 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
19089 C++ parsers.
19090 (yy::b4_name::parse): Build verbose error messages, and use error_.
19091
19092 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
19093
19094 * data/bison.c++: Fix m4 quoting in comments.
19095
19096 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
19097
19098 * data/bison.c++: Adjust the parser code. Fix some muscles that were
19099 not expanded by m4.
19100
19101 2002-02-05 Akim Demaille <akim@epita.fr>
19102
19103 * data/bison.c++: Adjust to the M4 back end.
19104 More is certainly needed.
19105
19106 2002-02-05 Akim Demaille <akim@epita.fr>
19107
19108 Give a try to M4 as a back end.
19109
19110 * lib/readpipe.c: New, from wdiff.
19111 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
19112 BISON_HAIRY.
19113 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
19114 specific values. Now it is m4 that performs the lookup.
19115 * src/parse-skel.y: Remove.
19116 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
19117 * src/output.c (actions_output, guards_output)
19118 (token_definitions_output): No longer keeps track of the output
19119 line number, hence remove the second argument.
19120 (guards_output): Check against the guard member of a rule, not the
19121 action member.
19122 Adjust callers.
19123 (output_skeleton): Don't look for the skeleton location, let m4 do
19124 that.
19125 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
19126 file will be used.
19127 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
19128 (prepare): Given that for the time being changesyntax is not
19129 usable in M4, rename the muscles using `-' to `_'.
19130 Define `defines_flag', `output_parser_name' and `output_header_name'.
19131 * src/output.h (actions_output, guards_output)
19132 (token_definitions_output): Adjust prototypes.
19133 * src/scan-skel.l: Instead of scanning the skeletons, it now
19134 processes the output of m4: `__oline__' and `#output'.
19135 * data/bison.simple: Adjust to be used by M4(sugar).
19136 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
19137 to date.
19138 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
19139 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
19140 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
19141 shamelessly stolen from CVS Autoconf.
19142
19143 2002-02-05 Akim Demaille <akim@epita.fr>
19144
19145 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
19146 * configure.in: Check for the declarations of free and malloc.
19147 * src/muscle_tab.c: Adjust.
19148
19149 2002-02-05 Akim Demaille <akim@epita.fr>
19150
19151 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
19152 which have no values.
19153
19154 2002-02-05 Akim Demaille <akim@epita.fr>
19155
19156 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
19157 * data/: here.
19158
19159 2002-01-29 Paul Eggert <eggert@twinsun.com>
19160
19161 * src/bison.simple (YYSIZE_T): Do not define merely because
19162 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
19163 On some platforms, <alloca.h> does not declare YYSTD (size_t).
19164
19165 2002-01-27 Akim Demaille <akim@epita.fr>
19166
19167 Fix `%nonassoc and eof'.
19168
19169 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
19170 which were not properly copied! Replace
19171 memcpy (res->errs, src->errs, src->nerrs);
19172 with
19173 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
19174 !!!
19175 * tests/regression.at (%nonassoc and eof): Adjust to newest
19176 Autotest: `.' is not in the PATH.
19177
19178 2002-01-27 Akim Demaille <akim@epita.fr>
19179
19180 * tests/sets.at (AT_EXTRACT_SETS): New.
19181 (Nullable): Use it.
19182 (Firsts): New.
19183
19184 2002-01-26 Akim Demaille <akim@epita.fr>
19185
19186 * tests/actions.at, tests/calc.at, tests/headers.at,
19187 * tests/torture.at: Adjust to the newest Autotest which no longer
19188 forces `.' in the PATH.
19189
19190 2002-01-25 Akim Demaille <akim@epita.fr>
19191
19192 * tests/regression.at (%nonassoc and eof): New.
19193 Suggested by Robert Anisko.
19194
19195 2002-01-24 Akim Demaille <akim@epita.fr>
19196
19197 Bison dumps core when trying to complain about broken input files.
19198 Reported by Cris van Pelt.
19199
19200 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
19201 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
19202 into...
19203 (Invalid inputs): Strengthen: exercise parse_percent_token.
19204
19205 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
19206
19207 * src/Makefile.am: Add bison.c++.
19208 * src/bison.c++: New skeleton.
19209
19210 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
19211
19212 * po/it.po: New.
19213
19214 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
19215
19216 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
19217
19218 2002-01-20 Marc Autret <marc@gnu.org>
19219
19220 * src/files.c (compute_output_file_names): Fix
19221
19222 2002-01-20 Marc Autret <marc@gnu.org>
19223
19224 * tests/output.at: New test.
19225 * src/files.c (compute_base_names): Don't map extensions when
19226 the YACC flag is set, use defaults.
19227 Reported by Evgeny Stambulchik.
19228
19229 2002-01-20 Marc Autret <marc@gnu.org>
19230
19231 * src/system.h: Need to define __attribute__ away for non-GCC
19232 compilers as well (i.e., the vendor C compiler).
19233 Suggested by Albert Chin-A-Young.
19234
19235 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
19236
19237 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
19238 canonical definition.
19239 * src/system.h: Use the canonical definition for PARAMS (avoids
19240 a conflict with the macro from lib/hash.h).
19241
19242 2002-01-11 Akim Demaille <akim@epita.fr>
19243
19244 * configure.in: Use AC_FUNC_STRNLEN.
19245 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
19246
19247 2002-01-09 Akim Demaille <akim@epita.fr>
19248
19249 * src/files.c, src/files.h (output_infix): New.
19250 (tab_extension): Remove.
19251 (compute_base_names): Compute the former, drop the latter.
19252 * src/output.c (prepare): Insert the muscles `output-infix', and
19253 `output-suffix'.
19254 * src/parse-skel.y (string, string.1): New.
19255 (section.header): Use it.
19256 (section.yacc): Remove.
19257 (prefix): Remove too.
19258 * src/scan-skel.l: Adjust.
19259 * src/bison.simple, src/bison.hairy: Adjust.
19260
19261 2002-01-09 Akim Demaille <akim@epita.fr>
19262
19263 * configure.in (WERROR_CFLAGS): Compute it.
19264 * src/Makefile.am (CFLAGS): Pass it.
19265 * tests/atlocal.in (CFLAGS): Idem.
19266 * src/files.c: Fix a few warnings.
19267 (get_extension_index): Remove, unused.
19268
19269 2002-01-08 Akim Demaille <akim@epita.fr>
19270
19271 * src/getargs.c (AS_FILE_NAME): New.
19272 (getargs): Use it to convert DOSish file names.
19273 * src/files.c (base_name): Rename as full_base_name to avoid
19274 clashes with `base_name ()'.
19275 (filename_split): New.
19276 (compute_base_names): N-th rewrite, using filename_split.
19277
19278 2002-01-08 Akim Demaille <akim@epita.fr>
19279
19280 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
19281 New, stolen from the Fileutils 4.1.
19282 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
19283 * configure.in: Check for the presence of memrchr, and of its
19284 prototype.
19285
19286 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
19287
19288 * lib/hash.h (__P): Added definition for this macro.
19289 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
19290 BUILT_SOURCES, to ensure they are generated first.
19291 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
19292 %error-verbose to allow bootstrapping with bison 1.30x.
19293
19294 2002-01-06 Akim Demaille <akim@epita.fr>
19295
19296 * src/reader.c (parse_braces): Don't fetch the next char, the
19297 convention is to fetch on entry.
19298 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
19299 'switch' without a following semicolon.
19300 * tests/regression.at (braces parsing): New.
19301
19302 2002-01-06 Akim Demaille <akim@epita.fr>
19303
19304 Bison is dead wrong in its RR conflict reports.
19305
19306 * tests/torture.at (GNU Cim Grammar): New.
19307 * src/conflicts.c (count_rr_conflicts): Fix.
19308
19309 2002-01-06 Akim Demaille <akim@epita.fr>
19310
19311 Creating package.m4 from configure.ac causes too many problems.
19312
19313 * tests/Makefile.am (package.m4): Create it by hand,
19314 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
19315
19316 2002-01-06 Akim Demaille <akim@epita.fr>
19317
19318 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
19319 skeleton.h.
19320
19321 2002-01-04 Paul Eggert <eggert@twinsun.com>
19322
19323 * doc/bison.texinfo (Debugging):
19324 Remove YYSTDERR; it's no longer defined or used.
19325 Also, s/cstdio.h/cstdio/.
19326
19327 2002-01-03 Akim Demaille <akim@epita.fr>
19328
19329 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
19330
19331 2002-01-03 Akim Demaille <akim@epita.fr>
19332
19333 * src/parse-skel.y (process_skeleton): Don't bind the parser's
19334 tracing code to --trace, wait for a better --trace option, with
19335 args.
19336
19337 2002-01-03 Akim Demaille <akim@epita.fr>
19338
19339 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
19340 The ISO C++ standard is extremely clear about it: stderr is
19341 considered a macro, not a regular symbol (see table 94 `Header
19342 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
19343 Therefore std:: does not apply to it. It still does with fprintf.
19344 Also, s/cstdio.h/cstdio/.
19345
19346 2002-01-03 Akim Demaille <akim@epita.fr>
19347
19348 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
19349 for non system headers.
19350
19351 2002-01-02 Akim Demaille <akim@epita.fr>
19352
19353 Equip the skeleton chain with location tracking, runtime trace,
19354 pure parser and scanner.
19355
19356 * src/parse-skel.y: Request a pure parser, locations, and prefix
19357 renaming.
19358 (%union): Having several members with the same type does not help
19359 type mismatches, simplify.
19360 (YYPRINT, yyprint): New.
19361 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
19362 (skel_error): this.
19363 Handle locations.
19364 * src/scan-skel.l: Adjust to these changes.
19365 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
19366 (LOCATION_PRINT, skel_control_t): New.
19367
19368 2001-12-30 Akim Demaille <akim@epita.fr>
19369
19370 * src/parse-skel.y: Get rid of the shift/reduce conflict:
19371 replace `gb' with BLANKS.
19372 * src/scan-skel.l: Adjust.
19373
19374 2001-12-30 Akim Demaille <akim@epita.fr>
19375
19376 * src/system.h: We don't need nor want bcopy.
19377 Throw away MS-DOS crap: we don't need getpid.
19378 * configure.in: We don't need strndup. It was even causing
19379 problems: because Flex includes the headers *before* us,
19380 _GNU_SOURCE is not defined by config.h, and therefore strndup was
19381 not visible.
19382 * lib/xstrndup.c: New.
19383 * src/scan-skel.l: Use it.
19384 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
19385 * src/parse-skel.y: Use %directives instead of #defines.
19386
19387 2001-12-30 Akim Demaille <akim@epita.fr>
19388
19389 * src/skeleton.h: New.
19390 * src/output.c (output_parser, output_master_parser): Remove, dead
19391 code.
19392 * src/output.h (get_lines_number, actions_output, guards_output)
19393 (token_definitions_output): Prototype them.
19394 * src/parse-skel.y: Add the license notice.
19395 Include output.h and skeleton.h.
19396 (process_skeleton): Returns void, and takes a single parameter.
19397 * src/scan-skel.l: Add the license notice.
19398 Include skeleton.h.
19399 Don't use %option yylineno: it seems that then Flex imagines
19400 REJECT has been used, and therefore it won't reallocate its
19401 buffers (which makes no other sense to me than a bug). It results
19402 in warnings for `unused: yy_flex_realloc'.
19403
19404 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
19405
19406 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
19407 (MUSCLE_INSERT_PREFIX): ...to there.
19408 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
19409 (MUSCLE_INSERT_PREFIX): Move from here...
19410
19411 * src/bison.hairy: Add a section directive. Put braces around muscle
19412 names. This parser skeleton is still broken, but Bison should not
19413 choke on a bad muscle 'syntax'.
19414 * src/bison.simple: Add a section directive. Put braces around muscle
19415 names.
19416
19417 * src/files.h (strsuffix, stringappend): Add declarations.
19418 (tab_extension): Add declaration.
19419 (short_base_name): Add declaration.
19420
19421 * src/files.c (strsuffix, stringappend): No longer static. These
19422 functions are used in the skeleton parser.
19423 (tab_extension): New.
19424 (compute_base_names): Use the computations done in this function
19425 to guess if the generated parsers should have '.tab' in their
19426 names.
19427 (short_base_name): No longer static.
19428
19429 * src/output.c (output_skeleton): New.
19430 (output): Disable call to output_master_parser, and give a try to
19431 a new skeleton handling system.
19432 (guards_output, actions_output): No longer static.
19433 (token_definitions_output, get_lines_number): No longer static.
19434
19435 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
19436
19437 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
19438 parse-skel.y.
19439
19440 * src/parse-skel.y: New file.
19441 * src/scan-skel.l: New file.
19442
19443 2001-12-29 Akim Demaille <akim@epita.fr>
19444
19445 %name-prefix is broken.
19446
19447 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
19448 Adjust all dependencies.
19449 * tests/headers.at (export YYLTYPE): Strengthen this test: use
19450 %name-prefix.
19451
19452 Renaming yylval but not yylloc is not consistent. Now we do.
19453
19454 * src/bison.simple: Prefix yylloc if used.
19455 * doc/bison.texinfo (Decl Summary): Document that.
19456
19457 2001-12-29 Akim Demaille <akim@epita.fr>
19458
19459 * doc/bison.texinfo: Promote `%long-directive' over
19460 `%long_directive'.
19461 Remove all references to fixed-output-files, yacc is enough.
19462
19463 2001-12-29 Akim Demaille <akim@epita.fr>
19464
19465 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
19466 user prologue. These are defaults.
19467 * tests/actions.at (Mid-rule actions): Make sure the user can
19468 define YYDEBUG and YYERROR_VERBOSE.
19469
19470 2001-12-29 Akim Demaille <akim@epita.fr>
19471
19472 * src/output.c (header_output): Don't forget to export YYLTYPE and
19473 yylloc.
19474 * tests/headers.at (export YYLTYPE): New, make sure it does.
19475 * tests/regression.at (%union and --defines, Invalid CPP headers):
19476 Move to...
19477 * tests/headers.at: here.
19478
19479 2001-12-29 Akim Demaille <akim@epita.fr>
19480
19481 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
19482
19483 2001-12-29 Akim Demaille <akim@epita.fr>
19484
19485 * tests/actions.at (Mid-rule actions): Output on a single line
19486 instead of several.
19487
19488 2001-12-29 Akim Demaille <akim@epita.fr>
19489
19490 * doc/bison.texinfo: Formatting changes.
19491
19492 2001-12-29 Akim Demaille <akim@epita.fr>
19493
19494 Don't store the token defs in a muscle, just be ready to output it
19495 on command. Now possible via `symbols'. Fixes a memory leak.
19496
19497 * src/output.c (token_definitions_output): New.
19498 (output_parser, header_output): Use it.
19499 * src/reader.c (symbols_save): Remove.
19500
19501 2001-12-29 Akim Demaille <akim@epita.fr>
19502
19503 * src/bison.simple: Do not provide a default for YYSTYPE and
19504 YYLTYPE before the user's prologue. Otherwise it's hardly... a
19505 default.
19506
19507 2001-12-29 Akim Demaille <akim@epita.fr>
19508
19509 Mid-rule actions are simply... ignored!
19510
19511 * src/reader.c (readgram): Be sure to attach mid-rule actions to
19512 the empty-rule associated to the dummy symbol, not to the host
19513 rule.
19514 * tests/actions.at (Mid-rule actions): New.
19515
19516 2001-12-29 Akim Demaille <akim@epita.fr>
19517
19518 Memory leak.
19519
19520 * src/reader.c (reader): Free grammar.
19521
19522 2001-12-29 Akim Demaille <akim@epita.fr>
19523
19524 Memory leak.
19525
19526 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
19527 since it allocates it for each state, although only one is needed.
19528 (allocate_storage): Do it here.
19529
19530 2001-12-29 Akim Demaille <akim@epita.fr>
19531
19532 * src/options.h, src/options.c (create_long_option_table): Rename
19533 as...
19534 (long_option_table_new): this, with a clearer prototype.
19535 (percent_table): Remove, unused,
19536 * src/getargs.c (getargs): Adjust.
19537
19538 2001-12-29 Akim Demaille <akim@epita.fr>
19539
19540 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
19541 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
19542 as states.
19543
19544 2001-12-29 Akim Demaille <akim@epita.fr>
19545
19546 * src/lalr.c (build_relations): Rename `states' as `states1'.
19547 Sorry, I don't understand exactly what it is, no better name...
19548
19549 2001-12-29 Akim Demaille <akim@epita.fr>
19550
19551 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
19552 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
19553 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
19554 as rules.
19555
19556 2001-12-29 Akim Demaille <akim@epita.fr>
19557
19558 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
19559 ago.
19560
19561 2001-12-29 Akim Demaille <akim@epita.fr>
19562
19563 * src/reader.c, src/reader.h (user_toknums): Remove.
19564 Adjust all users to use symbols[i]->user_token_number.
19565
19566 2001-12-29 Akim Demaille <akim@epita.fr>
19567
19568 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
19569 Adjust all users to use symbols[i]->prec or ->assoc.
19570
19571 2001-12-29 Akim Demaille <akim@epita.fr>
19572
19573 * src/reader.c, src/reader.h (tags): Remove.
19574 Adjust all users to use symbols[i]->tag.
19575
19576 2001-12-29 Akim Demaille <akim@epita.fr>
19577
19578 * src/gram.h, src/gram.c (symbols): New, similar to state_table
19579 and rule_table.
19580 * src/reader.c (packsymbols): Fill this table.
19581 Drop sprec.
19582 * src/conflicts.c (resolve_sr_conflict): Adjust.
19583 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
19584 single table.
19585 Use symbols[i]->tag instead of tags[i].
19586
19587 2001-12-29 Akim Demaille <akim@epita.fr>
19588
19589 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
19590 In addition, put a comment in there, to replace...
19591 * tests/regression.at (%union and C comments): Remove.
19592
19593 2001-12-29 Akim Demaille <akim@epita.fr>
19594
19595 * tests/regression.at (Web2c Actions): Blindly move the actual
19596 output as expected output. The contents *seem* right to me, but I
19597 can't pretend reading perfectly parser tables... Nonetheless, all
19598 the other tests pass correctly, the table look OK, even though the
19599 presence of `$axiom' is to be noted: AFAICS it is useless (but
19600 harmless).
19601
19602 2001-12-29 Akim Demaille <akim@epita.fr>
19603
19604 * src/reader.c (readgram): Don't add the rule 0 if there were no
19605 rules read. In other words, add it _after_ having performed
19606 grammar sanity checks.
19607 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
19608
19609 2001-12-29 Akim Demaille <akim@epita.fr>
19610
19611 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
19612 visible, and some states have now a different number.
19613
19614 2001-12-29 Akim Demaille <akim@epita.fr>
19615
19616 * src/reader.c (readgram): Bind the initial rule's lineno to that
19617 of the first rule.
19618 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
19619 (Solved SR Conflicts): Adjust rule 0's line number.
19620
19621 2001-12-29 Akim Demaille <akim@epita.fr>
19622
19623 Fix the `GAWK Grammar' failure.
19624
19625 * src/LR0.c (final_state): Initialize to -1 so that we do compute
19626 the reductions of the first state which was mistakenly confused
19627 with the final state because precisely final_state was initialized
19628 to 0.
19629 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
19630 now noticed by Bison.
19631 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
19632 have a reduction on $default.
19633
19634 2001-12-29 Akim Demaille <akim@epita.fr>
19635
19636 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
19637 rule line numbers.
19638 * src/closure.c (print_closure): Likewise.
19639 * src/derives.c (print_derives): Likewise.
19640 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
19641 now.
19642
19643 2001-12-29 Akim Demaille <akim@epita.fr>
19644
19645 * src/lalr.c (lookaheads_print): New.
19646 (lalr): Call it when --trace-flag.
19647 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
19648 are dumped.
19649
19650 2001-12-29 Akim Demaille <akim@epita.fr>
19651
19652 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
19653 when walking through ritem, even via rule->rhs.
19654 * src/reduce.c (dump_grammar, useful_production, reduce_output)
19655 (useful_production, useless_nonterminals): Likewise.
19656 (reduce_grammar_tables): Likewise, plus update nritems.
19657 * src/nullable.c (set_nullable): Likewise.
19658 * src/lalr.c (build_relations): Likewise.
19659 * tests/sets.at (Nullable): Adjust.
19660 Fortunately, now, the $axiom is no longer nullable.
19661
19662 2001-12-29 Akim Demaille <akim@epita.fr>
19663
19664 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
19665 the 0-sentinel.
19666 * src/gram.c (ritem_longest_rhs): Likewise.
19667 * src/reduce.c (nonterminals_reduce): Likewise.
19668 * src/print_graph.c (print_graph): Likewise.
19669 * src/output.c (output_rule_data): Likewise.
19670 * src/nullable.c (set_nullable): Likewise.
19671
19672 2001-12-29 Akim Demaille <akim@epita.fr>
19673
19674 * src/output.c: Comment changes.
19675
19676 2001-12-27 Paul Eggert <eggert@twinsun.com>
19677
19678 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
19679 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
19680 Sparc, as they were causing more porting problems than the
19681 (minor) performance improvement was worth.
19682
19683 Also, catch up with 1.31's YYSTD.
19684
19685 2001-12-27 Akim Demaille <akim@epita.fr>
19686
19687 * src/output.c (output_gram): Rely on nritems, not the
19688 0-sentinel. See below.
19689 Use -1 as separator, not 0.
19690 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
19691 Rely on -1 as separator in yyrhs, instead of 0.
19692 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
19693 twice `Now at end of input', therefore there are two lines less to
19694 expect.
19695
19696 2001-12-27 Akim Demaille <akim@epita.fr>
19697
19698 * tests/regression.at (Unresolved SR Conflicts):
19699 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
19700 below.
19701
19702 2001-12-27 Akim Demaille <akim@epita.fr>
19703
19704 * src/LR0.c (new_state): Recognize the final state by the fact it
19705 is reached by eoftoken.
19706 (insert_start_shifting_state, insert_eof_shifting_state)
19707 (insert_accepting_state, augment_automaton): Remove, since now
19708 these states are automatically computed from the initial state.
19709 (generate_states): Adjust.
19710 * src/print.c: When reporting a rule number to the user, substract
19711 1, so that the axiom rule is rule 0, and the first user rule is 1.
19712 * src/reduce.c: Likewise.
19713 * src/print_graph.c (print_core): For the time being, just as for
19714 the report, depend upon --trace-flags to dump the full set of
19715 items.
19716 * src/reader.c (readgram): Once the grammar read, insert the rule
19717 0: `$axiom: START-SYMBOL $'.
19718 * tests/set.at: Adjust: rule 0 is now displayed, and since the
19719 number of the states has changed (the final state is no longer
19720 necessarily the last), catch up.
19721
19722 2001-12-27 Akim Demaille <akim@epita.fr>
19723
19724 Try to make the use of the eoftoken valid. Given that its value
19725 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
19726 is used instead of > 0 where appropriate, (ii), depend upon nritems
19727 instead of the 0-sentinel.
19728
19729 * src/gram.h, src/gram.c (nritems): New.
19730 Expected to be duplication of nitems, but for the time being...
19731 * src/reader.c (packgram): Assert nritems and nitems are equal.
19732 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
19733 * src/closure.c (print_closure, print_fderives): Likewise.
19734 * src/gram.c (ritem_print): Likewise.
19735 * src/print.c (print_core, print_grammar): Likewise.
19736 * src/print_graph.c: Likewise.
19737
19738 2001-12-27 Akim Demaille <akim@epita.fr>
19739
19740 * src/main.c (main): If there are complains after grammar
19741 reductions, then output the report anyway if requested, then die.
19742 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
19743 * src/reader.c (eoftoken): New.
19744 (parse_token_decl): If the token being defined has value `0', it
19745 is the eoftoken.
19746 (packsymbols): No longer hack `tags' to insert `$' by hand.
19747 Be sure to preserve the value of the eoftoken.
19748 (reader): Make sure eoftoken is defined.
19749 Initialize nsyms to 0: now eoftoken is created just like the others.
19750 * src/print.c (print_grammar): Don't special case the eof token.
19751 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
19752 lie anyway, albeit pleasant.
19753 * tests/calc.at: Exercise error messages with eoftoken.
19754 Change the grammar so that empty input is invalid.
19755 Adjust expectations.
19756 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
19757
19758 2001-12-27 Akim Demaille <akim@epita.fr>
19759
19760 * configure.in: Check the protos of strchr ans strspn.
19761 Replace strchr if needed.
19762 * src/system.h: Provide the protos of strchr, strspn and memchr if
19763 missing.
19764 * lib/strchr.c: New.
19765 * src/reader.c (symbols_save): Use strchr.
19766
19767 2001-12-27 Akim Demaille <akim@epita.fr>
19768
19769 * src/print.c, src/print_graph.c (escape): New.
19770 Use it to quote the TAGS outputs.
19771 * src/print_graph.c (print_state): Now errors are in red, and
19772 reductions in green.
19773 Prefer high to wide: output the state number on a line of its own.
19774
19775 2001-12-27 Akim Demaille <akim@epita.fr>
19776
19777 * src/state.h, src/state.c (reductions_new): New.
19778 * src/LR0.c (set_state_table): Let all the states have a
19779 `reductions', even if reduced to 0.
19780 (save_reductions): Adjust.
19781 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
19782 * src/print.c (print_reductions, print_actions): Adjust.
19783 * src/output.c (action_row): Adjust.
19784
19785 2001-12-27 Akim Demaille <akim@epita.fr>
19786
19787 * src/state.h, src/state.c (errs_new, errs_dup): New.
19788 * src/LR0.c (set_state_table): Let all the states have an errs,
19789 even if reduced to 0.
19790 * src/print.c (print_errs, print_reductions): Adjust.
19791 * src/output.c (output_actions, action_row): Adjust.
19792 * src/conflicts.c (resolve_sr_conflict): Adjust.
19793
19794 2001-12-27 Akim Demaille <akim@epita.fr>
19795
19796 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
19797
19798 2001-12-27 Akim Demaille <akim@epita.fr>
19799
19800 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
19801 * src/print.c: here.
19802 (lookaheadset, shiftset): New, used as additional storage by
19803 print_reductions.
19804 (print_results): Adjust.
19805 (print_shifts, print_gotos, print_errs): New, extracted from...
19806 (print_actions): here.
19807 * src/print_graph.c (print_actions): Remove dead code.
19808
19809 2001-12-27 Akim Demaille <akim@epita.fr>
19810
19811 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
19812 `$n' and `@n'.
19813
19814 2001-12-27 Akim Demaille <akim@epita.fr>
19815
19816 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
19817 (build_relations): Adjust.
19818
19819 2001-12-27 Akim Demaille <akim@epita.fr>
19820
19821 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
19822 duplication.
19823
19824 2001-12-27 Akim Demaille <akim@epita.fr>
19825
19826 * src/reader.c (packgram): Catch nitems overflows.
19827
19828 2001-12-27 Akim Demaille <akim@epita.fr>
19829
19830 * src/files.c, src/files.h (guard_obstack): Remove.
19831 * src/output.c (output): Adjust.
19832 * src/reader.c (parse_braces): New, factoring...
19833 (copy_action, copy_guard): these two which are renamed as...
19834 (parse_action, parse_guard): these.
19835 As a voluntary consequence, using braces around guards is now
19836 mandatory.
19837
19838 2001-12-27 Akim Demaille <akim@epita.fr>
19839
19840 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
19841 * src/reader.c (symbol_list): `guard' and `guard_line' are new
19842 members.
19843 (symbol_list_new): Adjust.
19844 (copy_action): action_line is the first line, not the last.
19845 (copy_guard): Just as for actions, store the `action' only, not
19846 the switch/case/break flesh.
19847 Don't parse the user action that might follow the guard, let...
19848 (readgram): do it, i.e., now, there can be an action after a
19849 guard.
19850 In other words the guard is just explicitly optional.
19851 (packgram): Adjust.
19852 * src/output.c (guards_output): New.
19853 (output_parser): Call it when needed.
19854 (output): Also free the guard and attrs obstacks.
19855 * src/files.c, src/files.h (obstack_save): Remove.
19856 (output_files): Remove.
19857 As a result, if one needs the former `.act' file, using an
19858 appropriate skeleton which requires actions and guards is now
19859 required.
19860 * src/main.c (main): Adjust.
19861 * tests/semantic.at: New.
19862 * tests/regression.at: Use `input.y' as input file name.
19863 Avoid 8+3 problems by requiring input.c when the test needs the
19864 parser.
19865
19866 2001-12-27 Akim Demaille <akim@epita.fr>
19867
19868 * src/reader.c (symbol_list_new): Be sure to initialize all the
19869 fields.
19870
19871 2001-12-27 Akim Demaille <akim@epita.fr>
19872
19873 All the hacks using a final pseudo state are now useless.
19874
19875 * src/LR0.c (set_state_table): state_table holds exactly nstates.
19876 * src/lalr.c (nLA): New.
19877 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
19878 instead of lookaheadsp from the pseudo state (nstate + 1).
19879
19880 2001-12-27 Akim Demaille <akim@epita.fr>
19881
19882 * src/output.c (action_row, token_actions): Use a state_t instead
19883 of a integer, and nlookaheads instead of the following state's
19884 lookaheadsp.
19885
19886 2001-12-27 Akim Demaille <akim@epita.fr>
19887
19888 * src/conflicts.c (log_resolution, flush_shift)
19889 (resolve_sr_conflict, set_conflicts, solve_conflicts)
19890 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
19891 (conflicts_print, print_reductions): Use a state_t instead of an
19892 integer when referring to a state.
19893 As much as possible, depend upon nlookaheads, instead of the
19894 `lookaheadsp' member of the following state (since lookaheads of
19895 successive states are successive, the difference between state n + 1
19896 and n served as the number of lookaheads for state n).
19897 * src/lalr.c (add_lookback_edge): Likewise.
19898 * src/print.c (print_core, print_actions, print_state)
19899 (print_results): Likewise.
19900 * src/print_graph.c (print_core, print_actions, print_state)
19901 (print_graph): Likewise.
19902 * src/conflicts.h: Adjust.
19903
19904 2001-12-27 Akim Demaille <akim@epita.fr>
19905
19906 * src/bison.hairy: Formatting/comment changes.
19907 ANSIfy.
19908 Remove `register' indications.
19909 Add plenty of `static'.
19910
19911 2001-12-27 Akim Demaille <akim@epita.fr>
19912
19913 * src/output.c (prepare): Drop the muscle `ntbase' which
19914 duplicates ntokens.
19915 * src/bison.simple: Formatting/comment changes.
19916 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
19917 is an undocumented synonym.
19918
19919 2001-12-22 Akim Demaille <akim@epita.fr>
19920
19921 * src/output.c (output_table_data): Change the prototype to use
19922 `int' for array ranges: some invocations do pass an int, not a
19923 short.
19924 Reported by Wayne Green.
19925
19926 2001-12-22 Akim Demaille <akim@epita.fr>
19927
19928 Some actions of web2c.y are improperly triggered.
19929 Reported by Mike Castle.
19930
19931 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
19932 * tests/regression.at (Web2c): Rename as...
19933 (Web2c Report): this.
19934 (Web2c Actions): New.
19935
19936 2001-12-22 Akim Demaille <akim@epita.fr>
19937
19938 Reductions in web2c.y are improperly reported.
19939 Reported by Mike Castle.
19940
19941 * src/conflicts.c (print_reductions): Fix.
19942 * tests/regression.at (Web2c): New.
19943
19944 2001-12-18 Akim Demaille <akim@epita.fr>
19945
19946 Some host fail on `assert (!"foo")', which expands to
19947 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
19948 Reported by Nelson Beebee.
19949
19950 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
19951 `#define it_succeeded 0' and `assert (it_succeeded)'.
19952
19953 2001-12-17 Marc Autret <autret_m@epita.fr>
19954
19955 * src/bison.simple: Don't hard code the skeleton line and filename.
19956 * src/output.c (output_parser): Rename 'line' as 'output_line'.
19957 New line counter 'skeleton_line' (skeleton-line muscle).
19958
19959 2001-12-17 Paul Eggert <eggert@twinsun.com>
19960
19961 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
19962 YYDEBUG must be defined to a nonzero value.
19963
19964 * src/bison.simple (yytname): Do not assume that the user defines
19965 YYDEBUG to a properly parenthesized expression.
19966
19967 2001-12-17 Akim Demaille <akim@epita.fr>
19968
19969 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
19970 nlookaheads is a new member.
19971 Adjust all users.
19972 * src/lalr.h (nlookaheads): Remove this orphan declaration.
19973 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
19974 state.
19975
19976 2001-12-17 Akim Demaille <akim@epita.fr>
19977
19978 * src/files.h, src/files.c (open_files, close_files): Remove.
19979 * src/main.c (main): Don't open/close files, nor invoke lex_free,
19980 let...
19981 * src/reader.c (reader): Do it.
19982
19983 2001-12-17 Akim Demaille <akim@epita.fr>
19984
19985 * src/conflicts.c (print_reductions): Formatting changes.
19986
19987 2001-12-17 Akim Demaille <akim@epita.fr>
19988
19989 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
19990 (flush_reduce): New.
19991 (resolve_sr_conflict): Adjust.
19992
19993 2001-12-17 Akim Demaille <akim@epita.fr>
19994
19995 * src/output.c (output_obstack): Be static and rename as...
19996 (format_obstack): this, to avoid any confusion with files.c's
19997 output_obstack.
19998 * src/reader.h (muscle_obstack): Move to...
19999 * src/output.h: here, since it's defined in output.c.
20000
20001 2001-12-17 Akim Demaille <akim@epita.fr>
20002
20003 * src/output.c (action_row, save_column, default_goto)
20004 (sort_actions, matching_state, pack_vector): Better variable
20005 locality.
20006
20007 2001-12-17 Akim Demaille <akim@epita.fr>
20008
20009 * src/output.c: Various formatting changes.
20010
20011 2001-12-17 Akim Demaille <akim@epita.fr>
20012
20013 * src/files.c (output_files): Free the output_obstack.
20014 * src/main.c (main): Call print and print_graph conditionally.
20015 * src/print.c (print): Work unconditionally.
20016 * src/print_graph.c (print_graph): Work unconditionally.
20017 * src/conflicts.c (log_resolution): Output only if verbose_flag.
20018
20019 2001-12-16 Marc Autret <autret_m@epita.fr>
20020
20021 * src/output.c (actions_output): Fix. When we use %no-lines,
20022 there is one less line per action.
20023
20024 2001-12-16 Marc Autret <autret_m@epita.fr>
20025
20026 * src/bison.simple: Remove a useless #line directive.
20027 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
20028 * src/output.c (get_lines_number): New.
20029 (output_parser): Adjust, now takes care about the lines of a
20030 output muscles.
20031 Fix line numbering.
20032 (actions_output): Computes the number of lines taken by actions.
20033 (output_master_parser): Insert new skeleton which is the name of
20034 the output parser file name.
20035
20036 2001-12-15 Marc Autret <autret_m@epita.fr>
20037
20038 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
20039
20040 2001-12-15 Marc Autret <autret_m@epita.fr>
20041
20042 * src/output.c (output_gram): Keep track of the hairy one.
20043
20044 2001-12-15 Akim Demaille <akim@epita.fr>
20045
20046 Make `make distcheck' work.
20047
20048 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
20049 system.h which uses libgettext.h.
20050
20051 2001-12-15 Akim Demaille <akim@epita.fr>
20052
20053 * src/nullable.c (set_nullable): Useless rules must be skipped,
20054 otherwise, since we range over their symbols, we might look at a
20055 nonterminal which no longer ``exists'', i.e., it is not counted in
20056 `nvars', hence we overflow our arrays.
20057
20058 2001-12-15 Akim Demaille <akim@epita.fr>
20059
20060 The header can also be produced directly, without any obstack!
20061 Yahoo!
20062
20063 * src/files.c, src/files.h (defines_obstack): Remove.
20064 (compute_header_macro): Global.
20065 (defines_obstack_save): Remove.
20066 * src/reader.c (parse_union_decl): No longer output to
20067 defines_obstack: its content can be found in the `stype' muscle
20068 anyway.
20069 (output_token_translations): Merge into...
20070 (symbols_output): this.
20071 Rename as...
20072 (symbols_save): this.
20073 (reader): Adjust.
20074 * src/output.c (header_output): New.
20075 (output): Call it.
20076
20077 2001-12-15 Akim Demaille <akim@epita.fr>
20078
20079 * src/reader.c (parse_union_decl): Instead of handling two obstack
20080 simultaneously, use one to define the `stype' muscle, and use the
20081 value of the latter to fill defines_obstack.
20082 (copy_comment): Remove.
20083 (copy_comment2): Work for a single obstack.
20084 Rename as...
20085 (copy_comment): this.
20086
20087 2001-12-15 Akim Demaille <akim@epita.fr>
20088
20089 * src/lex.c, src/lex.h (xgetc): No longer static.
20090 * src/reader.c (parse_union_decl): Revamp.
20091
20092 2001-12-15 Akim Demaille <akim@epita.fr>
20093
20094 Still making progress in separating Bison into (i) input, (ii)
20095 process, (iii) output: now we can directly output the parser file
20096 without using table_obstack at all.
20097
20098 * src/files.c, src/files.h (table_obstack): Bye bye.
20099 (parser_file_name): New.
20100 * src/files.c (compute_output_file_names): Compute it.
20101 * src/output.c (actions_output, output_parser)
20102 (output_master_parser): To a file instead of an obstack.
20103
20104 2001-12-15 Akim Demaille <akim@epita.fr>
20105
20106 Attach actions to rules, instead of pre-outputting them to
20107 actions_obstack.
20108
20109 * src/gram.h (rule_t): action and action_line are new members.
20110 * src/reader.c (symbol_list): Likewise.
20111 (copy_action): Save the actions within the rule.
20112 (packgram): Save them in rule_table.
20113 * src/output.c (actions_output): New.
20114 (output_parser): Use it on `%%actions'.
20115 (output_rule_data): Don't free rule_table.
20116 (output): Do it.
20117 (prepare): Don't save the `action' muscle.
20118 * src/bison.simple: s/%%action/%%actions/.
20119
20120 2001-12-15 Akim Demaille <akim@epita.fr>
20121
20122 * src/reader.c (copy_action): When --yacc, don't append a `;'
20123 to the user action: let it fail if lacking.
20124 Suggested by Arnold Robbins and Tom Tromey.
20125
20126 2001-12-14 Akim Demaille <akim@epita.fr>
20127
20128 * src/lex.c (literalchar): Simply return the char you decoded, non
20129 longer mess around with obstacks and int pointers.
20130 Adjust all callers.
20131
20132 2001-12-14 Akim Demaille <akim@epita.fr>
20133
20134 * src/lex.c (literalchar): Don't escape the special characters,
20135 just decode them, and keep them as char (before, eol was output as
20136 the 2 char string `\n' etc.).
20137 * src/output.c (output_rule_data): Use quotearg to output the
20138 token strings.
20139
20140 2001-12-13 Paul Eggert <eggert@twinsun.com>
20141
20142 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
20143 Do not infringe on the global user namespace when using C++.
20144 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
20145 All uses of `fprintf' and `stderr' changed.
20146
20147 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
20148
20149 2001-12-13 Akim Demaille <akim@epita.fr>
20150
20151 The computation of nullable is broken: it doesn't handle empty
20152 RHS's properly.
20153
20154 * tests/torture.at (GNU AWK Grammar): New.
20155 * tests/sets.at (Nullable): New.
20156 * src/nullable.c (set_nullable): Instead of blindly looping over
20157 `ritems', loop over the rules, and then over their rhs's.
20158
20159 Work around Autotest bugs.
20160
20161 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
20162 frame, because Autotest understand lines starting with a `+' as
20163 traces from the shell. Then, they are not processed properly.
20164 Admittedly an Autotest bug, but we don't have time to wait for
20165 Autotest to catch up.
20166 * tests/regression.at (Broken Closure): Adjust to the new table
20167 frames.
20168 Move to...
20169 * tests/sets.at: here.
20170
20171 2001-12-13 Akim Demaille <akim@epita.fr>
20172
20173 * src/closure.c (closure): Use nrules instead of playing tricks
20174 with BITS_PER_WORD.
20175
20176 2001-12-13 Akim Demaille <akim@epita.fr>
20177
20178 * src/print.c (print_actions): Output the handling of `$' as the
20179 traces do: shifting the token EOF. Before EOF was treated as a
20180 nonterminal.
20181 * tests/regression.at: Adjust some tests.
20182 * src/print_graph.c (print_core): Complete the set of items via
20183 closure. The next-to-final and final states are still unsatisfying,
20184 but that's to be addressed elsewhere.
20185 No longer output the rule numbers, but do output the state number.
20186 A single loop for the shifts + gotos is enough, but picked a
20187 distinct color for each.
20188 (print_graph): Initialize and finalize closure.
20189
20190 2001-12-13 Akim Demaille <akim@epita.fr>
20191
20192 * src/reader.c (readgram): Remove dead code, an strip useless
20193 braces.
20194 (get_type): Remove, unused.
20195
20196 2001-12-12 Akim Demaille <akim@epita.fr>
20197
20198 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
20199 on that of lib/error.c.
20200
20201 2001-12-12 Akim Demaille <akim@epita.fr>
20202
20203 Some hosts don't like `/' in includes.
20204
20205 * src/system.h: Include libgettext.h without qualifying the path.
20206 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
20207 $(top_srcdir).
20208
20209 2001-12-11 Marc Autret <autret_m@epita.fr>
20210
20211 * src/output.c (output_parser): Remove useless muscle.
20212
20213 2001-12-11 Marc Autret <autret_m@epita.fr>
20214
20215 * src/bison.simple: Remove #line just before %%epilogue. It
20216 is now handled in ...
20217 * src/reader.c (read_additionnal_code): Add the output of a
20218 #line for the epilogue.
20219
20220 2001-12-10 Marc Autret <autret_m@epita.fr>
20221
20222 * src/reader.c (copy_definition): Re-use CPP-outed code which
20223 replace precedent remove.
20224 * src/bison.simple: Remove #line before %%prologue because
20225 %%input-line is wrong at this time.
20226
20227 2001-12-10 Marc Autret <autret_m@epita.fr>
20228
20229 * src/reader.c (symbols_output): Clean up.
20230 * src/output.c (output_gram, output): Clean up.
20231
20232 2001-12-10 Akim Demaille <akim@epita.fr>
20233
20234 * src/lalr.c (initialize_lookaheads): New. Extracted from...
20235 * src/LR0.c (set_state_table): here.
20236 * src/lalr.c (lalr): Call it.
20237
20238 2001-12-10 Akim Demaille <akim@epita.fr>
20239
20240 * src/state.h (shifts): Remove the `number' member: shifts are
20241 attached to state, hence no longer need to be labelled with a
20242 state number.
20243
20244 2001-12-10 Akim Demaille <akim@epita.fr>
20245
20246 Now that states have a complete set of members, the linked list of
20247 shifts is useless: just fill directly the state's shifts member.
20248
20249 * src/state.h (shifts): Remove the `next' member.
20250 * src/LR0.c (first_state, last_state): Remove.
20251 Adjust the callers.
20252 (augment_automaton): Don't look for the shifts that must be added
20253 a shift on EOF: it is those of the state we looked for! But now,
20254 since shifts are attached, it is no longer needed to looking
20255 merely by its id: its number.
20256
20257 2001-12-10 Akim Demaille <akim@epita.fr>
20258
20259 * src/LR0.c (augment_automaton): Better variable locality.
20260 Remove an impossible branch: if there is a state corresponding to
20261 the start symbol being shifted, then there is shift for the start
20262 symbol from the initial state.
20263
20264 2001-12-10 Akim Demaille <akim@epita.fr>
20265
20266 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
20267 only when appropriate: when insert_start_shifting_state' is not
20268 invoked.
20269 * tests/regression.at (Rule Line Numbers): Adjust.
20270
20271 2001-12-10 Akim Demaille <akim@epita.fr>
20272
20273 * src/LR0.c (augment_automaton): Now that all states have shifts,
20274 merge the two cases addition shifts to the initial state.
20275
20276 2001-12-10 Akim Demaille <akim@epita.fr>
20277
20278 * src/lalr.c (set_state_table): Move to...
20279 * src/LR0.c: here.
20280 * src/lalr.c (lalr): Don't call it...
20281 * src/LR0.c (generate_states): do it.
20282 * src/LR0.h (first_state): Remove, only the table is used.
20283
20284 2001-12-10 Akim Demaille <akim@epita.fr>
20285
20286 * src/LR0.h (first_shift, first_reduction): Remove.
20287 * src/lalr.c: Don't use first_shift: find shifts through the
20288 states.
20289
20290 2001-12-10 Akim Demaille <akim@epita.fr>
20291
20292 * src/LR0.c: Attach shifts to states as soon as they are
20293 computed.
20294 * src/lalr.c (set_state_table): Instead of assigning shifts to
20295 state, just assert that the mapping was properly done.
20296
20297 2001-12-10 Akim Demaille <akim@epita.fr>
20298
20299 * src/LR0.c (insert_start_shift): Rename as...
20300 (insert_start_shifting_state): this.
20301 (insert_eof_shifting_state, insert_accepting_state): New.
20302 (augment_automaton): Adjust.
20303 Better locality of the variables.
20304 When looking if the start_symbol is shifted from the initial
20305 state, using `while (... symbol != start_symbol ...)' sounds
20306 better than `while (... symbol < start_symbol ...)': If fail
20307 to see how the order between symbols could be relevant!
20308
20309 2001-12-10 Akim Demaille <akim@epita.fr>
20310
20311 * src/getargs.h: Don't declare `spec_name_prefix' and
20312 `spec_file_prefix', declared by src/files.h.
20313 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
20314 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
20315 * src/output.c (prepare): Adjust.
20316 * src/reader.c (symbols_output): Likewise.
20317 * src/vmsgetargs.c: Vaguely adjust, but who cares?
20318
20319 2001-12-10 Akim Demaille <akim@epita.fr>
20320
20321 * src/muscle_tab.c (muscle_init): NULL is a better default than
20322 `"0"'.
20323
20324 2001-12-10 Akim Demaille <akim@epita.fr>
20325
20326 * src/reader.c (reader): Calling symbols_output once is enough.
20327
20328 2001-12-10 Akim Demaille <akim@epita.fr>
20329
20330 Now that states have a complete set of members, the linked list of
20331 reductions is useless: just fill directly the state's reductions
20332 member.
20333
20334 * src/state.h (struct reductions): Remove member `number' and
20335 `next'.
20336 * src/LR0.c (first_reduction, last_reduction): Remove.
20337 (save_reductions): Don't link the new reductions, store them in
20338 this_state.
20339 * src/lalr.c (set_state_table): No need to attach reductions to
20340 states, it's already done.
20341 * src/output.c (output_actions): No longer free the shifts, then
20342 the reductions, then the states: free all the states and their
20343 members.
20344
20345 2001-12-10 Akim Demaille <akim@epita.fr>
20346
20347 * src/options.c (OPTN, DRTV, BOTH): New.
20348 (option_table): Use them.
20349
20350 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
20351 the job of system.h.
20352 * src/options.c: Don't include stdio.h and xalloc.h for the same
20353 reasons.
20354
20355 2001-12-10 Akim Demaille <akim@epita.fr>
20356
20357 * src/output.c (output, prepare): Make sure the values of the
20358 muscles `action' and `prologue' are 0-terminated.
20359
20360 2001-12-10 Akim Demaille <akim@epita.fr>
20361
20362 Clean up GCC warnings.
20363
20364 * src/reader.c (copy_action): `buf' is not used.
20365 (parse_skel_decl): Be static.
20366 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
20367 * src/options.h (create_long_option_table): Have a real prototype.
20368 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
20369 (hash_delete_at): Return const void *.
20370 Adjust casts to preserve the const.
20371
20372 2001-12-10 Akim Demaille <akim@epita.fr>
20373
20374 * configure.in: Require 2.52g.
20375 M4 is not needed, but AUTOM4TE is.
20376 * m4/m4.m4: Remove.
20377 * tests/Makefile.am: Adjust.
20378
20379 2001-12-10 Akim Demaille <akim@epita.fr>
20380
20381 One structure for states is enough, even though theoretically
20382 there are LR(0) states and LALR(1) states.
20383
20384 * src/lalr.h (state_t): Remove.
20385 (state_table): Be state_t **, not state_t *.
20386 * src/state.h (core, CORE_ALLOC): Rename as...
20387 (state_t, STATE_ALLOC): this.
20388 Add the LALR(1) members: shifts, reductions, errs.
20389 * src/LR0.c (state_table): Rename as...
20390 (state_hash): this, to avoid name clashes with the global
20391 `state_table'.
20392 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
20393 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
20394
20395 2001-12-10 Akim Demaille <akim@epita.fr>
20396
20397 Bison dumps core on bash.y.
20398 Reported by Pascal Bart.
20399
20400 * src/warshall.c (bitmatrix_print): New.
20401 (TC): Use it.
20402 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
20403 j must be the outer loop.
20404 * tests/regression.at (Broken Closure): New.
20405
20406 2001-12-05 Akim Demaille <akim@epita.fr>
20407
20408 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
20409 its argument.
20410 Reported by Peter Hamorsky.
20411
20412 2001-12-05 Akim Demaille <akim@epita.fr>
20413
20414 * src/conflicts.c (err_table): Remove.
20415 (resolve_sr_conflict): Adjust.
20416 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
20417 Rename as...
20418 (state_t.reductions, state_t.shifts): this.
20419
20420 2001-12-05 Akim Demaille <akim@epita.fr>
20421
20422 * src/reduce.c (reduce_grammar_tables): No longer disable the
20423 removal of useless rules via CPP but via `if (0)', so that the
20424 compiler still check the code is valid.
20425 For instance, it should have noticed `rline' no longer exists: use
20426 the `line' member of rule_t.
20427 * src/gram.c (dummy, rline): Remove, unused.
20428
20429 2001-12-05 Akim Demaille <akim@epita.fr>
20430
20431 * src/output.c (pack_vector): Use assert, not berror.
20432 * src/main.c (berror): Remove, unused.
20433
20434 2001-12-05 Akim Demaille <akim@epita.fr>
20435
20436 New experimental feature: if --verbose --trace output all the
20437 items of a state, not only its kernel.
20438
20439 * src/print.c (print_core): If `trace_flag', then invoke closure
20440 before outputting the items of the state (print_core is no longer
20441 a correct name them).
20442 (print_results): Invoke new_closure/free_closure if needed.
20443
20444 2001-12-05 Akim Demaille <akim@epita.fr>
20445
20446 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
20447 * src/closure.c, src/closure.h (itemsetsize): Rename as...
20448 (nitemset): for consistency with the rest of the project.
20449
20450 2001-12-05 Akim Demaille <akim@epita.fr>
20451
20452 * src/closure.c (print_closure): Improve.
20453 (closure): Use it for printing input and output.
20454
20455 2001-12-05 Akim Demaille <akim@epita.fr>
20456
20457 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
20458 indexed by nonterminals.
20459
20460 2001-12-05 Akim Demaille <akim@epita.fr>
20461
20462 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
20463 what it was!).
20464 * src/warshall.h: Remove accidental duplication of the content.
20465
20466 2001-12-05 Akim Demaille <akim@epita.fr>
20467
20468 * src/closure.c (set_fderives): De-obfuscate.
20469
20470 2001-12-05 Akim Demaille <akim@epita.fr>
20471
20472 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
20473
20474 2001-12-05 Akim Demaille <akim@epita.fr>
20475
20476 * src/closure.c (set_firsts): De-obfuscate.
20477
20478 2001-12-05 Akim Demaille <akim@epita.fr>
20479
20480 * src/output.c (action_row): De-obfuscate
20481 using the good o' techniques: arrays not pointers, variable
20482 locality, BITISSET, RESETBIT etc.
20483
20484 2001-12-05 Akim Demaille <akim@epita.fr>
20485
20486 Pessimize the code to simplify it: from now on, all the states
20487 have a valid SHIFTS, which NSHIFTS is possibly 0.
20488
20489 * src/LR0.c (shifts_new): Be global and move to..
20490 * src/state.c, src/state.h: here.
20491 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
20492 * src/print_graph: Adjust.
20493
20494 2001-12-05 Akim Demaille <akim@epita.fr>
20495
20496 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
20497 * src/conflicts.c: Use it.
20498 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
20499 incorrectly ``simplified''.
20500
20501 2001-12-05 Akim Demaille <akim@epita.fr>
20502
20503 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
20504 using the good o' techniques: arrays not pointers, variable
20505 locality, BITISSET, RESETBIT etc.
20506
20507 2001-12-05 Akim Demaille <akim@epita.fr>
20508
20509 * src/state.h (SHIFT_SYMBOL): New.
20510 * src/conflicts.c: Use it to deobfuscate.
20511
20512 2001-12-05 Akim Demaille <akim@epita.fr>
20513
20514 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
20515 (print_reductions): De-obfuscate using the good o' techniques:
20516 arrays not pointers, variable locality, BITISSET.
20517
20518 2001-12-05 Akim Demaille <akim@epita.fr>
20519
20520 * src/conflicts.c (print_reductions): Arrays, not pointers.
20521 Use BITISSET.
20522
20523 2001-12-05 Akim Demaille <akim@epita.fr>
20524
20525 * src/conflicts.c (print_reductions): Pessimize, but clarify.
20526
20527 2001-12-05 Akim Demaille <akim@epita.fr>
20528
20529 * src/conflicts.c (print_reductions): Improve variable locality.
20530
20531 2001-12-05 Akim Demaille <akim@epita.fr>
20532
20533 * src/conflicts.c (print_reductions): Pessimize, but clarify.
20534
20535 2001-12-05 Akim Demaille <akim@epita.fr>
20536
20537 * src/conflicts.c (print_reductions): Improve variable locality.
20538
20539 2001-12-05 Akim Demaille <akim@epita.fr>
20540
20541 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
20542 * src/lalr.c: Use them.
20543
20544 2001-12-05 Akim Demaille <akim@epita.fr>
20545
20546 * src/LR0.c (augment_automaton): Formatting changes.
20547 Better variable locality.
20548
20549 2001-12-05 Akim Demaille <akim@epita.fr>
20550
20551 * src/lalr.c (matrix_print): New.
20552 (transpose): Use it.
20553 Use arrays instead of pointers.
20554
20555 2001-12-05 Akim Demaille <akim@epita.fr>
20556
20557 * src/lalr.c (maxrhs): Move to...
20558 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
20559 * src/lalr.c (build_relations): Adjust.
20560
20561 2001-12-05 Akim Demaille <akim@epita.fr>
20562
20563 * src/lalr.c (transpose): Free the memory allocated to the
20564 argument, as it is replaced by the results by the unique caller.
20565 (build_relations): Merely invoke transpose: it handles the memory
20566 deallocation.
20567 Improve variable locality.
20568 Avoid variables used as mere abbreviations.
20569 (compute_lookaheads): Use arrays instead of pointers.
20570
20571 2001-12-05 Akim Demaille <akim@epita.fr>
20572
20573 * src/lalr.c (initialize_F): Improve variable locality.
20574 Avoid variables used as mere abbreviations.
20575
20576 2001-12-05 Akim Demaille <akim@epita.fr>
20577
20578 * src/derives.c (print_derives): Display the ruleno.
20579 * src/lalr.c (initialize_F, transpose): Better variable locality
20580 to improve readability.
20581 Avoid variables used as mere abbreviations.
20582
20583 2001-12-05 Akim Demaille <akim@epita.fr>
20584
20585 * src/lalr.c (traverse): Use arrays instead of pointers.
20586
20587 2001-12-05 Akim Demaille <akim@epita.fr>
20588
20589 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
20590 the handling of squeue.
20591 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
20592
20593 2001-12-05 Akim Demaille <akim@epita.fr>
20594
20595 Because useless nonterminals are now kept alive (instead of being
20596 `destroyed'), we now sometimes examine them, and store information
20597 related to them. Hence we need to know their number, and adjust
20598 memory allocations.
20599
20600 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
20601 static.
20602 * src/LR0.c (allocate_itemsets): The memory allocated to
20603 `symbol_count' was used for two different purpose: once to count
20604 the number of occurrences of each symbol, and later reassigned to
20605 `shift_symbol', containing the symbol that can be shifted from a
20606 given state.
20607 Deobfuscate, i.e., allocate, use and free `symbol_count' here
20608 only, and...
20609 (new_itemsets): Allocate `shift_symbol' here.
20610 (allocate_itemsets): symbol_count includes useless nonterminals.
20611 Make room for them.
20612 (free_storage): Use `free', not `XFREE', for pointers that cannot
20613 be null.
20614
20615 2001-12-05 Akim Demaille <akim@epita.fr>
20616
20617 * src/nullable.c (set_nullable): Deobfuscate the handling of
20618 ritem.
20619 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
20620
20621 2001-12-05 Akim Demaille <akim@epita.fr>
20622
20623 * src/gram.c, src/gram.h (ritem_print): New.
20624 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
20625 (This useless function was defined only to work around VMS linkers
20626 that can't handle compilation units with variables only).
20627 * src/reduce.c (dump_grammar): Use it to trace the construction of
20628 ritem.
20629
20630 2001-12-04 Paul Eggert <eggert@twinsun.com>
20631
20632 * src/bison.simple (union yyalloc): Change member names
20633 to be the same as the stack names.
20634 (yyparse): yyptr is now union yyalloc *, not char *.
20635 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
20636 and may generate better code on some machines.
20637 (yystpcpy): Use prototype if __STDC__ is defined, not just
20638 if __cplusplus is defined.
20639
20640 2001-11-30 Akim Demaille <akim@epita.fr>
20641
20642 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
20643 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
20644 Gettext doesn't compile cleanly, and dies with -Werror.
20645 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
20646 Include WARNING_CFLAGS here.
20647 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
20648 before being defined.
20649
20650 2001-11-27 Paul Eggert <eggert@twinsun.com>
20651
20652 * lib/quotearg.h (quotearg_n, quotearg_n_style):
20653 First arg is int, not unsigned.
20654 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
20655 (SIZE_MAX, UINT_MAX): New macros.
20656 (quotearg_n_options): Abort if N is negative.
20657 Avoid overflow check on hosts where size_t is 64 bits and int
20658 is 32 bits, as overflow is impossible there.
20659 Fix off-by-one typo that caused unnecessary reallocation.
20660
20661 2001-11-29 Paul Eggert <eggert@twinsun.com>
20662
20663 Name space cleanup in generated parser.
20664
20665 * doc/bison.texinfo (Bison Parser): Discuss system headers
20666 and their effect on the user name space.
20667
20668 * src/bison.simple:
20669 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
20670 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
20671 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
20672
20673 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
20674 on user names when possible.
20675
20676 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
20677 Simplify test for whather <alloca.h> exists.
20678
20679 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
20680
20681 (<stdio.h>): Include if YYDEBUG.
20682
20683 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
20684 ! defined (yyoverflow) && ! defined (yymemcpy).
20685
20686 (yymemcpy, yyparse): Rename local variables as needed so that
20687 they all begin with 'yy'.
20688
20689 (yystrlen, yystpcpy): New functions.
20690
20691 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
20692 All uses changed.
20693
20694 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
20695 instead of relying on string.h functions. Use YYSTACK_ALLOC
20696 and YYSTACK_FREE instead of malloc and free.
20697
20698 2001-11-30 Akim Demaille <akim@epita.fr>
20699
20700 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
20701 before their first uses.
20702 (YYBISON, YYPURE): Move to the top of the output.
20703
20704 2001-11-30 Akim Demaille <akim@epita.fr>
20705
20706 * tests/reduce.at (Useless Nonterminals): Fix.
20707
20708 2001-11-30 Akim Demaille <akim@epita.fr>
20709
20710 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
20711 if body instead of `;' to pacify GCC's warnings.
20712
20713 2001-11-30 Akim Demaille <akim@epita.fr>
20714
20715 Instead of mapping the LHS of unused rules to -1, keep the LHS
20716 valid, but flag the rules as invalid.
20717
20718 * src/gram.h (rule_t): `useful' is a new member.
20719 * src/print.c (print_grammar): Adjust.
20720 * src/derives.c (set_derives): Likewise.
20721 * src/reader.c (packgram, reduce_output): Likewise.
20722 * src/reduce.c (reduce_grammar_tables): Likewise.
20723 * tests/reduce.at (Underivable Rules, Useless Rules): New.
20724
20725 2001-11-30 Akim Demaille <akim@epita.fr>
20726
20727 * src/reduce.c (reduce_output): Formatting changes.
20728 * src/print.c (print_results, print_grammar): Likewise.
20729 * tests/regression.at (Rule Line Numbers)
20730 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
20731
20732 2001-11-30 Akim Demaille <akim@epita.fr>
20733
20734 * src/reduce.c (nonterminals_reduce): Instead of throwing away
20735 useless nonterminals, move them at the end of the symbol arrays.
20736 (reduce_output): Adjust.
20737 * tests/reduce.at (Useless Nonterminals): Adjust.
20738
20739 2001-11-30 Akim Demaille <akim@epita.fr>
20740
20741 * src/reduce.c: Various comment/formatting changes.
20742 (nonterminals_reduce): New, extracted from...
20743 (reduce_grammar_tables): here.
20744 (reduce_grammar): Call nonterminals_reduce.
20745
20746 2001-11-29 Paul Eggert <eggert@twinsun.com>
20747
20748 * src/bison.simple (YYSTACK_REALLOC): Remove.
20749 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
20750 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
20751 New macros.
20752 (union yyalloc): New type.
20753 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
20754 an arbitrary restriction on hosts where size_t is wider than int.
20755
20756 (yyparse): Don't dump core if alloca or malloc fails; instead, report
20757 a parser stack overflow. Allocate just one block of memory for all
20758 three stacks, instead of allocating three blocks; this typically is
20759 faster and reduces fragmentation.
20760
20761 Do not limit the number of items in the stack to a value that fits
20762 in 'int', as this is an arbitrary limit on hosts with 64-bit
20763 size_t and 32-bit int.
20764
20765 2001-11-29 Marc Autret <autret_m@epita.fr>
20766
20767 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
20768 of defining YYERROR_VERBOSE.
20769 [AT_DATA]: $4 is now out of C declarations in the prologue.
20770
20771 2001-11-28 Marc Autret <autret_m@epita.fr>
20772
20773 * src/reader.c (parse_dquoted_param): New.
20774 (parse_skel_decl): Use it.
20775 * src/lex.h: Add its prototype.
20776 * src/lex.c (literalchar): Become not static.
20777
20778 2001-11-28 Marc Autret <autret_m@epita.fr>
20779
20780 * src/output.h: And put its extern declaration here.
20781 * src/output.c (error_verbose): Define here.
20782 (prepare): Echo name modification.
20783 * src/getargs.h: Clean its extern declaration.
20784 * src/getargs.c (error_verbose_flag): Remove.
20785 (getargs): Remove case 'e'.
20786 * src/options.c (option_table): 'error-verbose' is now seen as simple
20787 percent option.
20788 Include output.h.
20789
20790 * src/reader.c (read_declarations): Remove case tok_include.
20791 (parse_include_decl): Remove.
20792 * src/lex.h (token_t): Remove tok_include.
20793 * src/options.c (option_table): 'include' is now a simple command line
20794 option.
20795
20796 2001-11-28 Marc Autret <autret_m@epita.fr>
20797
20798 * src/bison.simple: Adjust muscle names.
20799 * src/muscle_tab.c (muscle_init): Also rename the muscles.
20800 * src/output.c (prepare): s/_/-/ for the muscles names.
20801 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
20802
20803 2001-11-28 Marc Autret <autret_m@epita.fr>
20804
20805 * src/bison.simple: Fix debug.
20806 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
20807
20808 2001-11-28 Akim Demaille <akim@epita.fr>
20809
20810 * src/LR0.c (shifts_new): New.
20811 (save_shifts, insert_start_shift, augment_automaton): Use it.
20812
20813 2001-11-28 Akim Demaille <akim@epita.fr>
20814
20815 * src/closure.c (closure): `b' and `ruleno' denote the same value:
20816 keep ruleno only.
20817
20818 2001-11-28 Akim Demaille <akim@epita.fr>
20819
20820 * src/closure.c (closure): Instead of looping over word in array
20821 then bits in words, loop over bits in array.
20822
20823 2001-11-28 Akim Demaille <akim@epita.fr>
20824
20825 * src/closure.c (closure): No longer optimize the special case
20826 where all the bits of `ruleset[r]' are set to 0, to make the code
20827 clearer.
20828
20829 2001-11-28 Akim Demaille <akim@epita.fr>
20830
20831 * src/closure.c (closure): `r' and `c' are new variables, used to
20832 de-obfuscate accesses to RULESET and CORE.
20833
20834 2001-11-28 Akim Demaille <akim@epita.fr>
20835
20836 * src/reduce.c (reduce_print): Use ngettext.
20837 (dump_grammar): Improve the trace accuracy.
20838
20839 2001-11-28 Akim Demaille <akim@epita.fr>
20840
20841 * src/reduce.c (dump_grammar): Don't translate trace messages.
20842
20843 2001-11-28 Akim Demaille <akim@epita.fr>
20844
20845 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
20846 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
20847 as all tags are free'ed afterwards.
20848 From Enrico Scholz.
20849
20850 2001-11-27 Paul Eggert <eggert@twinsun.com>
20851
20852 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
20853 use alloca when we didn't want to, and vice versa.
20854
20855 2001-11-27 Marc Autret <autret_m@epita.fr>
20856
20857 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
20858 initialization.
20859 * src/output.c (prepare): Remove its update.
20860
20861 2001-11-27 Marc Autret <autret_m@epita.fr>
20862
20863 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
20864 Use %error-verbose.
20865
20866 2001-11-27 Marc Autret <autret_m@epita.fr>
20867
20868 * src/bison.simple: Remove YYERROR_VERBOSE using.
20869 Use %%error_verbose.
20870 (yyparse): Likewise.
20871 * src/output.c (prepare): Give its final value.
20872 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
20873 * src/getargs.h: Add its extern declaration.
20874 * src/getargs.c (error_verbose_flag): New int.
20875 (getargs): Update to catch new case.
20876 * src/options.c (option_table): 'error-verbose' is a new option.
20877 (shortopts): Update.
20878
20879 2001-11-27 Akim Demaille <akim@epita.fr>
20880
20881 * src/system.h: Use intl/libgettext.h.
20882 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
20883
20884 2001-11-27 Akim Demaille <akim@epita.fr>
20885
20886 * tests/torture.at (Exploding the Stack Size with Malloc):
20887 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
20888
20889 2001-11-27 Akim Demaille <akim@epita.fr>
20890
20891 * src/files.c: Include error.h.
20892 Reported by Hans Aberg.
20893
20894 2001-11-26 Marc Autret <autret_m@epita.fr>
20895
20896 * src/reader.c (parse_include_decl): New, not yet implemented.
20897 (read_declarations): Add case tok_include.
20898 * src/getargs.h (include): Add its extern definition.
20899 * src/getargs.c (include): New const char *.
20900 (getargs): Add case '-I'.
20901 * src/options.c (option_table): Add include as command line and
20902 percent option.
20903 * src/lex.h (token_t): Add tok_include.
20904
20905 2001-11-26 Akim Demaille <akim@epita.fr>
20906
20907 * src/reader.c (readgram): Make sure rules for mid-rule actions
20908 have a lineno equal to that of their host rule.
20909 Reported by Hans Aberg.
20910 * tests/regression.at (Rule Line Numbers): New.
20911
20912 2001-11-26 Akim Demaille <akim@epita.fr>
20913
20914 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
20915 size_ts.
20916
20917 2001-11-26 Akim Demaille <akim@epita.fr>
20918
20919 * src/complain.c, src/complain.h (error): Remove, provided by
20920 lib/error.[ch].
20921
20922 2001-11-26 Akim Demaille <akim@epita.fr>
20923
20924 * src/reader.c (read_declarations): Don't abort on tok_illegal,
20925 issue an error message.
20926 * tests/regression.at (Invalid %directive): New.
20927 Reported by Hans Aberg.
20928
20929 2001-11-26 Akim Demaille <akim@epita.fr>
20930
20931 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
20932 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
20933
20934 2001-11-26 Akim Demaille <akim@epita.fr>
20935
20936 * src/conflicts.c (conflicts_print): Don't complain at all when
20937 there are no reduce/reduce conflicts, and as many shift/reduce
20938 conflicts as expected.
20939 * tests/regression.at (%expect right): Adjust.
20940
20941 2001-11-23 Akim Demaille <akim@epita.fr>
20942
20943 * lib/alloca.c: Update, from fileutils.
20944
20945 2001-11-23 Akim Demaille <akim@epita.fr>
20946
20947 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
20948
20949 2001-11-23 Akim Demaille <akim@epita.fr>
20950
20951 * src/system.h: Include alloca.h.
20952 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
20953
20954 2001-11-23 Akim Demaille <akim@epita.fr>
20955
20956 * src/print_graph.c (print_actions): Remove `rule', unused.
20957 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
20958 pacify GCC's signed < unsigned warnings.
20959 * src/closure.c (itemsetsize): Likewise.
20960 * src/reader.c (symbol_list_new): Static.
20961
20962 2001-11-23 Akim Demaille <akim@epita.fr>
20963
20964 Attaching lineno to buckets is stupid, since only one copy of each
20965 symbol is kept, only the line of the first occurrence is kept too.
20966
20967 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
20968 * src/reader.c (rline_allocated): Remove, unused.
20969 (symbol_list): Have a `line' member.
20970 (symbol_list_new): New.
20971 (readgram): Use it.
20972 * src/print.c (print_grammar): Output the rule line numbers.
20973 * tests/regression.at (Solved SR Conflicts)
20974 (Unresolved SR Conflicts): Adjust.
20975 Reported by Hans Aberg.
20976
20977 2001-11-22 Marc Autret <autret_m@epita.fr>
20978
20979 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
20980
20981 2001-11-22 Marc Autret <autret_m@epita.fr>
20982
20983 * src/muscle_tab.c (muscle_init): Remove initialization of
20984 skeleton muscle.
20985 * src/output.c (output_master_parser): Do it here.
20986
20987 2001-11-20 Akim Demaille <akim@epita.fr>
20988
20989 * po/sv.po: New.
20990 * configure.in (ALL_LINGUAS): Adjust.
20991 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
20992 longer contains strings to translate.
20993
20994 2001-11-19 Akim Demaille <akim@epita.fr>
20995
20996 * src/conflicts.c (conflicts_print): Add a missing \n.
20997
20998 2001-11-19 Akim Demaille <akim@epita.fr>
20999
21000 * src/nullable.c (nullable_print): New.
21001 (set_nullable): Call it when tracing.
21002 Better locality of variables.
21003
21004 2001-11-19 Akim Demaille <akim@epita.fr>
21005
21006 * src/print.c (print_actions): Better locality of variables.
21007
21008 2001-11-19 Akim Demaille <akim@epita.fr>
21009
21010 * src/derives.c (print_derives): Fix and enrich.
21011 * src/closure.c (print_fderives): Likewise.
21012
21013 2001-11-19 Akim Demaille <akim@epita.fr>
21014
21015 * src/closure.c (itemsetend): Remove, replaced with...
21016 (itemsetsize): new.
21017
21018 2001-11-19 Akim Demaille <akim@epita.fr>
21019
21020 * src/LR0.c (kernel_end): Remove, replaced with...
21021 (kernel_size): new.
21022
21023 2001-11-19 Akim Demaille <akim@epita.fr>
21024
21025 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
21026 to clarify.
21027
21028 2001-11-19 Akim Demaille <akim@epita.fr>
21029
21030 * src/closure.c (closure): Use arrays instead of pointers to clarify.
21031
21032 2001-11-19 Akim Demaille <akim@epita.fr>
21033
21034 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
21035 trace messages.
21036 * src/LR0.c: Likewise.
21037 (allocate_itemsets): Use arrays instead of pointers to clarify.
21038
21039 2001-11-19 Akim Demaille <akim@epita.fr>
21040
21041 * src/getargs.c (statistics_flag): Replace with...
21042 (trace_flag): New.
21043 (longopts): Accept --trace instead of --statistics.
21044 * src/getargs.h, src/options.c: Adjust.
21045 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
21046 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
21047
21048 2001-11-19 Akim Demaille <akim@epita.fr>
21049
21050 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
21051 pointers to clarify the code.
21052 (save_reductions, save_shifts): Factor common parts of alternatives.
21053
21054 2001-11-19 Akim Demaille <akim@epita.fr>
21055
21056 * src/LR0.c (new_state, get_state): Complete TRACE code.
21057 * src/closure.c: Include `reader.h' to get `tags', needed by the
21058 trace code.
21059 Rename the conditional DEBUG as TRACE.
21060 Output consistently TRACEs to stderr, not stdout.
21061 * src/derives.c: Likewise.
21062 * src/reduce.c: (inaccessable_symbols): Using if is better style
21063 than goto.
21064 Use `#if TRACE' instead of `#if 0' for tracing code.
21065
21066 2001-11-19 Akim Demaille <akim@epita.fr>
21067
21068 * src/system.h (LIST_FREE, shortcpy): New.
21069 * src/LR0.c: Use them.
21070 * src/output.c (free_itemsets, free_reductions, free_shifts):
21071 Remove, replaced by LIST_FREE.
21072
21073 2001-11-19 Akim Demaille <akim@epita.fr>
21074
21075 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
21076 (REDUCTIONS_ALLOC): New.
21077 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
21078 allocation.
21079
21080 2001-11-19 Akim Demaille <akim@epita.fr>
21081
21082 * src/LR0.c (new_state): Complete trace code.
21083 * src/nullable.c (set_nullable): Don't translate traces.
21084
21085 2001-11-19 Akim Demaille <akim@epita.fr>
21086
21087 * src/print_graph.c (print_core): Better locality of variables.
21088 * src/print.c (print_core): Likewise.
21089
21090 2001-11-19 Akim Demaille <akim@epita.fr>
21091
21092 * src/vcg.c: You do the output, so you are responsible of the
21093 handling of VCG syntax, in particular: use quotearg.
21094 * src/print_graph.c: Don't.
21095 (print_actions): Don't output the actions as part of the nodes,
21096 since that's the job of the edges.
21097 (print_state): Don't output by hand: fill the node description,
21098 and ask for its output.
21099
21100 2001-11-19 Akim Demaille <akim@epita.fr>
21101
21102 * src/bison.simple (yyparse): When verbosely reporting an error,
21103 no longer put additional quotes around token names.
21104 * tests/calc.at: Adjust.
21105
21106 2001-11-19 Akim Demaille <akim@epita.fr>
21107
21108 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
21109 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
21110 * src/output.c: Adjust.
21111
21112 2001-11-19 Akim Demaille <akim@epita.fr>
21113
21114 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
21115 (rule_t): this.
21116 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
21117
21118 2001-11-19 Akim Demaille <akim@epita.fr>
21119
21120 * src/gram.h (rule_t): New.
21121 (rule_table): New.
21122 (rrhs, rlhs): Remove, part of state_t.
21123 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
21124 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
21125 * src/reader.c, src/reduce.c: Adjust.
21126
21127 2001-11-19 Akim Demaille <akim@epita.fr>
21128
21129 * src/reader.c (symbols_output): New, extracted from...
21130 (packsymbols): Here.
21131 (reader): Call it.
21132
21133 2001-11-19 Akim Demaille <akim@epita.fr>
21134
21135 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
21136 (maxrhs): this new function.
21137
21138 2001-11-19 Akim Demaille <akim@epita.fr>
21139
21140 * src/lalr.c (F): New macro to access the variable F.
21141 Adjust.
21142
21143 2001-11-19 Akim Demaille <akim@epita.fr>
21144
21145 * src/lalr.h (LA): New macro to access the variable LA.
21146 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
21147 * src/lalr.c: Adjust.
21148
21149 2001-11-19 Akim Demaille <akim@epita.fr>
21150
21151 * src/lalr.c (initialize_LA): Only initialize LA. Let...
21152 (set_state_table): handle the `lookaheads' members.
21153
21154 2001-11-19 Akim Demaille <akim@epita.fr>
21155
21156 * src/lalr.h (lookaheads): Removed array, whose contents is now
21157 a member of...
21158 (state_t): this structure.
21159 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
21160 Adjust.
21161
21162 2001-11-19 Akim Demaille <akim@epita.fr>
21163
21164 * src/lalr.h (consistent): Removed array, whose contents is now
21165 a member of...
21166 (state_t): this structure.
21167 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
21168 Adjust.
21169
21170 2001-11-19 Akim Demaille <akim@epita.fr>
21171
21172 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
21173 contents are now members of...
21174 (state_t): this structure.
21175 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
21176 Adjust.
21177
21178 2001-11-19 Akim Demaille <akim@epita.fr>
21179
21180 * src/lalr.h (state_t): New.
21181 (state_table): Be a state_t * instead of a core **.
21182 (accessing_symbol): Remove, part of state_t.
21183 * src/lalr.c: Adjust.
21184 (set_accessing_symbol): Merge into...
21185 (set_state_table): this.
21186 * src/print_graph.c, src/conflicts.c: Adjust.
21187
21188 2001-11-14 Akim Demaille <akim@epita.fr>
21189
21190 * tests/calc.at, tests/output.at, tests/regression.at,
21191 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
21192 now the tests are run in private dirs, therefore AC_CLEANUP and
21193 family can be simplified to 0-ary.
21194 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
21195 use abs. path to find config.h.
21196 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
21197 stderr, there can be way too much random noise.
21198 Instead pass -Werror to GCC and rely on the exit status.
21199 Reported by Wolfram Wagner.
21200
21201 2001-11-14 Akim Demaille <akim@epita.fr>
21202
21203 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
21204 defined only if yyoverflow is defined, to avoid `warning: unused
21205 variable `yyvs1''.
21206 Reported by The Test Suite.
21207
21208 2001-11-14 Akim Demaille <akim@epita.fr>
21209
21210 * src/print.c: Include reduce.h.
21211 Reported by Hans Aberg.
21212
21213 2001-11-14 Akim Demaille <akim@epita.fr>
21214
21215 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
21216 Revert a previous patch: these are really const.
21217 * src/conflicts.c (conflict_report): Additional useless pair of
21218 braces to pacify GCC's warnings for `if () if () {} else {}'.
21219 * src/lex.c (parse_percent_token): Replace equal_offset with
21220 arg_offset.
21221 arg is const.
21222 Be sure to strdup `arg' when used, since there is no reason for
21223 token_buffer not to change.
21224
21225 2001-11-14 Akim Demaille <akim@epita.fr>
21226
21227 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
21228 definition.
21229 * src/main.c (main): Use them.
21230 Suggested by Hans Aberg.
21231
21232 2001-11-12 Akim Demaille <akim@epita.fr>
21233
21234 * src/system.h (ngettext): Now that we use ngettext, be sure to
21235 provide a default definition when NLS are not used.
21236
21237 2001-11-12 Akim Demaille <akim@epita.fr>
21238
21239 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
21240 Use @kbd to denote user input.
21241 (Language and Grammar): ANSIfy the example.
21242 Adjust its layout for info/notinfo.
21243 (Location Tracking Calc): Output error messages to stderr.
21244 Output locations in a more GNUtically correct way.
21245 Fix a couple of Englishos.
21246 Adjust @group/@end group pairs.
21247
21248 2001-11-12 Akim Demaille <akim@epita.fr>
21249
21250 %expect was not functioning at all.
21251
21252 * src/conflicts.c (expected_conflicts): Set to -1.
21253 (conflict_report): Use ngettext.
21254 (conflicts_print): Check %expect and make its violation an error.
21255 * doc/bison.texinfo (Expect Decl): Adjust.
21256 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
21257 * tests/regression.at (%expect not enough, %expect right)
21258 (%expect too much): New.
21259
21260 2001-11-12 Akim Demaille <akim@epita.fr>
21261
21262 * tests/regression.at (Conflicts): Rename as...
21263 (Unresolved SR Conflicts): this.
21264 (Solved SR Conflicts): New.
21265
21266 2001-11-12 Akim Demaille <akim@epita.fr>
21267
21268 * src/reduce.c (print_results): Rename as...
21269 (reduce_output): This.
21270 Output to OUT, passed as argument, instead of output_obstack.
21271 (dump_grammar): Likewise.
21272 (reduce_free): New.
21273 Also free V1.
21274 (reduce_grammar): No longer call reduce_output, since...
21275 * src/print.c (print_results): do it.
21276 * src/main.c (main): Call reduce_free;
21277
21278 2001-11-12 Akim Demaille <akim@epita.fr>
21279
21280 * src/conflicts.c (print_reductions): Accept OUT as argument.
21281 Output to it, not to output_obstack.
21282 * src/print.c (print_actions): Adjust.
21283
21284 2001-11-12 Akim Demaille <akim@epita.fr>
21285
21286 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
21287 the result instead of using...
21288 (src_total, rrc_total, src_count, rrc_count): Remove.
21289 (any_conflicts): Remove.
21290 (print_conflicts): Split into...
21291 (conflicts_print, conflicts_output): New.
21292 * src/conflicts.h: Adjust.
21293 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
21294 * src/print.c (print_grammar): Issue `\n' between two rules.
21295 * tests/regression.at (Conflicts): New.
21296 Reported by Tom Lane.
21297
21298 2001-11-12 Akim Demaille <akim@epita.fr>
21299
21300 * tests/regression.at (Invalid input): Remove, duplicate with
21301 ``Invalid input: 1''.
21302
21303 2001-11-12 Akim Demaille <akim@epita.fr>
21304
21305 * tests/torture.at (AT_DATA_STACK_TORTURE)
21306 (Exploding the Stack Size with Alloca)
21307 (Exploding the Stack Size with Malloc): New.
21308
21309 2001-11-12 Akim Demaille <akim@epita.fr>
21310
21311 * src/bison.simple (YYSTACK_REALLOC): New.
21312 (yyparse) [!yyoverflow]: Use it and free the old stack.
21313 Reported by Per Allansson.
21314
21315 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
21316
21317 * src/bison.simple: Define type yystype instead of YYSTYPE, and
21318 define CPP macro, which substitute YYSTYPE by yystype.
21319 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
21320 with yyltype/YYLTYPE. This allows inclusion of the generated
21321 header within the parser if the compiler, such as GGC, accepts
21322 multiple equivalent #defines.
21323 From Akim.
21324
21325 2001-11-05 Akim Demaille <akim@epita.fr>
21326
21327 * src/reader.c (symbols_output): New, extracted from...
21328 (packsymbols): here.
21329 (reader): Adjust.
21330
21331 2001-11-05 Akim Demaille <akim@epita.fr>
21332
21333 * src/lex.c (parse_percent_token): s/quotearg/quote/.
21334
21335 2001-11-05 Akim Demaille <akim@epita.fr>
21336
21337 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
21338 pattern.
21339
21340 2001-11-05 Akim Demaille <akim@epita.fr>
21341
21342 * src/options.h (struct option_table_struct): set_flags is void*.
21343 * src/options.c (longopts): Support `--output' and `%output'.
21344 (usage): Adjust.
21345 * src/lex.h (tok_setopt): Remove, replaced with...
21346 (tok_intopt, tok_stropt): these new guys.
21347 * src/lex.c (getopt.h): Not needed.
21348 (token_buffer, unlexed_token_buffer): Not const.
21349 (percent_table): Promote `-' over `_' in directive names.
21350 Active `%name-prefix', `file-prefix', and `output'.
21351 (parse_percent_token): Accept possible arguments to directives.
21352 Promote `-' over `_' in directive names.
21353
21354 2001-11-04 Akim Demaille <akim@epita.fr>
21355
21356 * doc/bison.texinfo (Decl Summary): Split the list into
21357 `directives for grammars' and `directives for bison'.
21358 Sort'em.
21359 Add description of `%name-prefix', `file-prefix', and `output'.
21360 Promote `-' over `_' in directive names.
21361 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
21362 Simplify the description of `--name-prefix'.
21363 Promote `-' over `_' in directive names.
21364 Promote `--output' over `--output-file'.
21365 Fix the description of `--defines'.
21366 * tests/output.at: Exercise %file-prefix and %output.
21367
21368 2001-11-02 Akim Demaille <akim@epita.fr>
21369
21370 * doc/refcard.tex: Update.
21371
21372 2001-11-02 Akim Demaille <akim@epita.fr>
21373
21374 * src/symtab.h (SUNDEF): New.
21375 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
21376 stand for `uninitialized', instead of 0.
21377 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
21378 * src/lex.c (lex): Adjust.
21379
21380 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
21381 Number it 0.
21382 Let yylex return it instead of a plain 0.
21383 Reported by Dick Streefland.
21384
21385 2001-11-02 Akim Demaille <akim@epita.fr>
21386
21387 * tests/regression.at (Mixing %token styles): New test.
21388
21389 2001-11-02 Akim Demaille <akim@epita.fr>
21390
21391 * src/reader.c (parse_thong_decl): Formatting changes.
21392 (token_translations_init): New, extracted from...
21393 (packsymbols): Here.
21394 Adjust.
21395
21396 2001-11-01 Akim Demaille <akim@epita.fr>
21397
21398 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
21399 Check that `9foo.y' produces correct cpp guards.
21400 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
21401 guards.
21402 Reported by Wwp.
21403
21404 2001-11-01 Akim Demaille <akim@epita.fr>
21405
21406 * tests/regression.at (Invalid input: 2): New.
21407 * src/lex.c (unlexed_token_buffer): New.
21408 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
21409 too.
21410 Reported by Wwp.
21411
21412 2001-11-01 Akim Demaille <akim@epita.fr>
21413
21414 * tests/calc.at: Catch up with 1.30.
21415 * configure.in: Bump to 1.49a.
21416 Adjust to newer Autotest.
21417
21418 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
21419
21420 * src/conflicts.c: Move global variables rrc_total and src_total ...
21421 (print_conflicts): here.
21422 * src/output.c (output): Free global variable user_toknums.
21423 * src/lex.c (token_obstack): Become static.
21424
21425 2001-10-18 Akim Demaille <akim@epita.fr>
21426
21427 * tests/atlocal.in (GCC): Add.
21428 * tests/calc.at: s/m4_match/m4_bmatch/.
21429 s/m4_patsubst/m4_bpatsubst/.
21430 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
21431 * configure.in: AC_SUBST(GCC).
21432
21433 2001-10-14 Marc Autret <autret_m@epita.fr>
21434
21435 * src/options.c (create_long_option_table): Fix.
21436
21437 2001-10-10 Akim Demaille <akim@epita.fr>
21438
21439 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
21440
21441 2001-10-04 Akim Demaille <akim@epita.fr>
21442
21443 * src/reader.c (parse_union_decl): Push the caracters in
21444 union_obstack, not attrs_obstack.
21445
21446 2001-10-04 Akim Demaille <akim@epita.fr>
21447
21448 Merge in the branch 1.29.
21449
21450 * src/reader.c (packsymbols): Use a temporary obstack for
21451 `%%tokendef', since output_stack is already used elsewhere.
21452
21453 2001-10-02 Akim Demaille <akim@epita.fr>
21454
21455 Bump 1.29d.
21456
21457 2001-10-02 Akim Demaille <akim@epita.fr>
21458
21459 Version 1.29c.
21460
21461 2001-10-02 Akim Demaille <akim@epita.fr>
21462
21463 * tests/regression.at (Invalid CPP headers): New.
21464 From Alexander Belopolsky.
21465 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
21466
21467 2001-10-02 Akim Demaille <akim@epita.fr>
21468
21469 * tests/regression.at (Invalid input): New.
21470 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
21471 Reported by Shura.
21472
21473 2001-10-02 Akim Demaille <akim@epita.fr>
21474
21475 * tests/calc.at: Now that --debug works, the tests must be adjusted.
21476
21477 2001-10-02 Akim Demaille <akim@epita.fr>
21478
21479 * src/output.c (output_parser): Assert `skeleton'.
21480 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
21481 systems.
21482 From Shura.
21483
21484 2001-10-01 Marc Autret <autret_m@epita.fr>
21485
21486 * src/lex.h: Echo modifications.
21487 * src/lex.c (unlex): Parameter is now token_t.
21488 From Hans Aberg.
21489
21490 2001-10-01 Marc Autret <autret_m@epita.fr>
21491
21492 * src/main.c: Include lex.h.
21493 From Hans Aberg.
21494
21495 2001-09-29 Akim Demaille <akim@epita.fr>
21496
21497 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
21498
21499 2001-09-28 Akim Demaille <akim@epita.fr>
21500
21501 * tests/testsuite.at: Update to newer Autotest.
21502 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
21503
21504 2001-09-27 Akim Demaille <akim@epita.fr>
21505
21506 Position independent wrapper.
21507
21508 * tests/bison: Remove.
21509 * tests/bison.in: New.
21510 * configure.in: Adjust.
21511
21512 2001-09-27 Paul Eggert <eggert@twinsun.com>
21513
21514 Port quotearg fixes from tar 1.13.24.
21515
21516 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
21517 tm to be declared.
21518 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
21519 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
21520
21521 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
21522 * m4/mbrtowc.m4: New file.
21523 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
21524 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
21525
21526 2001-09-27 Akim Demaille <akim@epita.fr>
21527
21528 Bump to 1.29c.
21529
21530 2001-09-27 Akim Demaille <akim@epita.fr>
21531
21532 Version 1.29b.
21533
21534 2001-09-25 Akim Demaille <akim@epita.fr>
21535
21536 * src/system.h: Include `xalloc.h'.
21537 Remove it from the C files.
21538 * src/files.c (output_files): Free the obstacks.
21539 * src/lex.c (init_lex): Rename as...
21540 (lex_init): this.
21541 (lex_free): New.
21542 * src/main.c (main): Use it.
21543
21544 2001-09-24 Marc Autret <autret_m@epita.fr>
21545
21546 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
21547 to output informations in fout (FILE*).
21548 (open_graph, close_graph): Likewise.
21549 (output_graph, output_edge, output_node): Likewise.
21550 * src/vcg.h: Update function prototypes.
21551 * src/print_graph.c (print_graph): Open output graph file.
21552 (print_actions): Adjust.
21553 * src/files.h: Remove extern declaration.
21554 * src/files.c: Remove graph_obstack declaration.
21555 (open_files): Remove graph_obstack initialization.
21556 (output_files): Remove graph_obstack saving.
21557
21558 2001-09-24 Marc Autret <autret_m@epita.fr>
21559
21560 * src/files.c (compute_output_file_names): Fix.
21561
21562 2001-09-24 Marc Autret <autret_m@epita.fr>,
21563 Akim Demaille <akim@epita.fr>
21564
21565 * src/reader.c (reader): Remove call to free_symtab ().
21566 * src/main.c (main): Call it here.
21567 Include symtab.h.
21568 * src/conflicts.c (initialize_conflicts): Rename as...
21569 (solve_conflicts): this.
21570 * src/print.c (print_core, print_actions, print_state)
21571 (print_grammar): Dump to a file instead a `output_obstack'.
21572 (print_results): Dump `output_obstack', and then proceed with the
21573 FILE *.
21574 * src/files.c (compute_output_file_names, close_files): New.
21575 (output_files): Adjust.
21576 * src/main.c (main): Adjust.
21577
21578 2001-09-23 Marc Autret <autret_m@epita.fr>
21579
21580 * src/files.c (compute_header_macro): Computes header macro name
21581 from spec_defines_file when given.
21582
21583 2001-09-23 Marc Autret <autret_m@epita.fr>
21584
21585 * src/files.c (output_files): Add default extensions.
21586
21587 2001-09-22 Akim Demaille <akim@epita.fr>
21588
21589 * src/conflicts.c (finalize_conflicts): Rename as...
21590 (free_conflicts): this.
21591
21592 2001-09-22 Akim Demaille <akim@epita.fr>
21593
21594 * src/gram.c (gram_free): Rename back as...
21595 (dummy): this.
21596 (output_token_translations): Free `token_translations'.
21597 * src/symtab.c (free_symtab): Free the tag field.
21598
21599 2001-09-22 Akim Demaille <akim@epita.fr>
21600
21601 Remove `translations' as it is always set to true.
21602
21603 * src/gram.h: Adjust.
21604 * src/reader.c (packsymbols, parse_token_decl): Adjust
21605 * src/print.c (print_grammar): Adjust.
21606 * src/output.c (output_token_translations): Adjust.
21607 * src/lex.c (lex): Adjust.
21608 * src/gram.c: Be sure the set pointers to NULL.
21609 (dummy): Rename as...
21610 (gram_free): this.
21611
21612 2001-09-22 Akim Demaille <akim@epita.fr>
21613
21614 * configure.in: Invoke AM_LIB_DMALLOC.
21615 * src/system.h: Use dmalloc.
21616 * src/LR0.c: Be sure to have pointers initialized to NULL.
21617 (allocate_itemsets): Allocate kernel_items only if needed.
21618
21619 2001-09-22 Akim Demaille <akim@epita.fr>
21620
21621 * configure.in: Bump to 1.29b.
21622 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
21623 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
21624 need xmalloc.c in calc.y.
21625 From Pascal Bart.
21626
21627 2001-09-21 Akim Demaille <akim@epita.fr>
21628
21629 Version 1.29a.
21630 * Makefile.maint, config/config.guess, config/config.sub,
21631 * config/missing: Update from masters.
21632 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
21633 upon package.m4.
21634 * configure.in (ALL_LINGUAS): Add `tr'.
21635
21636 2001-09-21 Akim Demaille <akim@epita.fr>
21637
21638 * tests/Makefile.am (package.m4): Move to...
21639 ($(srcdir)/$(TESTSUITE)): here.
21640
21641 2001-09-20 Akim Demaille <akim@epita.fr>
21642
21643 * src/complain.c: No longer try to be standalone: use system.h.
21644 Don't assume __STDC__ is defined to 1. Just test if it is defined.
21645 * src/complain.h: Likewise.
21646 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
21647 Remove the unused variable `n'.
21648 From Albert Chin-A-Young.
21649
21650 2001-09-18 Marc Autret <autret_m@epita.fr>
21651
21652 * doc/bison.1: Update.
21653 * doc/bison.texinfo (Bison Options): Update --defines and --graph
21654 descriptions.
21655 (Option Cross Key): Update.
21656 Add --graph.
21657
21658 2001-09-18 Marc Autret <autret_m@epita.fr>
21659
21660 * tests/regression.at: New test (comment in %union).
21661
21662 2001-09-18 Marc Autret <autret_m@epita.fr>
21663
21664 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
21665 do that.
21666 Reported by Keith Browne.
21667
21668 2001-09-18 Marc Autret <autret_m@epita.fr>
21669
21670 * tests/output.at: Add tests for --defines and --graph.
21671
21672 2001-09-18 Marc Autret <autret_m@epita.fr>
21673
21674 * tests/output.at: Removes tests of %{header,src}_extension features.
21675
21676 2001-09-18 Akim Demaille <akim@epita.fr>
21677
21678 * tests/Makefile.am (package.m4): New.
21679 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
21680 (_AT_CHECK_CALC_ERROR): Likewise.
21681 Factor the `, ' part of verbose error messages.
21682
21683 2001-09-18 Marc Autret <autret_m@epita.fr>
21684
21685 * src/getargs.c (longopts): Declare --defines and --graph as options
21686 with optional arguments.
21687 * src/files.h: Add extern declarations.
21688 * src/files.c (spec_graph_file, spec_defines_file): New.
21689 (output_files): Update.
21690 Remove CPP-outed code.
21691
21692 2001-09-18 Marc Autret <autret_m@epita.fr>
21693
21694 Turn off %{source,header}_extension feature.
21695
21696 * src/files.c (compute_exts_from_gf): Update.
21697 (compute_exts_from_src): Update.
21698 (output_files): CPP-out useless code.
21699 * src/files.h: Remove {header,source}_extension extern declarations.
21700 * src/reader.c (parse_dquoted_param): CPP-out.
21701 (parse_header_extension_decl): Remove.
21702 (parse_source_extension_decl): Remove.
21703 (read_declarations): Remove cases tok_{hdrext,srcext}.
21704 * src/lex.c (percent_table): Remove {header,source}_extension entries.
21705 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
21706
21707 2001-09-10 Akim Demaille <akim@epita.fr>
21708
21709 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
21710 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
21711 (AT_CHECK_OUTPUT): this.
21712 Merely check ls' exit status, its output is useless.
21713
21714 2001-09-10 Akim Demaille <akim@epita.fr>
21715
21716 * tests/calc.at: Use m4_match.
21717 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
21718
21719 2001-09-10 Marc Autret <autret_m@epita.fr>,
21720 Akim Demaille <akim@epita.fr>
21721
21722 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
21723 enum color_e.
21724 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
21725 to `normal'.
21726 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
21727 * src/lex.h: Adjust prototype.
21728 (token_t): Add `tok_undef'.
21729 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
21730 (parse_percent_token): Now returns token_t.
21731 Add default statement in switch.
21732 (lex): Separate `c' as an input variable, from the token_t result
21733 part.
21734 (unlexed): Is a token_t.
21735
21736 2001-09-10 Akim Demaille <akim@epita.fr>
21737
21738 * configure.in: Bump to 1.29a.
21739
21740 2001-09-07 Akim Demaille <akim@epita.fr>
21741
21742 Version 1.29.
21743
21744 2001-08-30 Akim Demaille <akim@epita.fr>
21745
21746 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
21747 * m4/atconfig.m4: Remove.
21748 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
21749 * tests/bison: New.
21750 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
21751 m4_if, m4_patsubst, and m4_regexp.
21752 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
21753 `input' file instead of echo.
21754
21755 2001-08-29 Akim Demaille <akim@epita.fr>
21756
21757 Bump to 1.28e.
21758
21759 2001-08-29 Akim Demaille <akim@epita.fr>
21760
21761 Version 1.28d.
21762
21763 2001-08-29 Paul Eggert <eggert@twinsun.com>
21764
21765 * src/bison.simple (yyparse): Don't take the address of an
21766 item before the start of an array, as that doesn't conform to
21767 the C Standard.
21768
21769 2001-08-29 Robert Anisko <anisko_r@epita.fr>
21770
21771 * doc/bison.texinfo (Location Tracking Calc): New node.
21772
21773 2001-08-29 Paul Eggert <eggert@twinsun.com>
21774
21775 * src/output.c (output): Do not define const, as this now
21776 causes more problems than it cures.
21777
21778 2001-08-29 Akim Demaille <akim@epita.fr>
21779
21780 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
21781 the nodes.
21782 Be sure to tag the `detailmenu'.
21783
21784 2001-08-29 Akim Demaille <akim@epita.fr>
21785
21786 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
21787 download in a tmp dir.
21788
21789 2001-08-28 Marc Autret <autret_m@epita.fr>
21790
21791 * config/depcomp: New file.
21792
21793 2001-08-28 Marc Autret <autret_m@epita.fr>
21794
21795 * doc/bison.1 (mandoc): Adjust.
21796 From Juan Manuel Guerrero.
21797
21798 2001-08-28 Marc Autret <autret_m@epita.fr>
21799
21800 * src/print_graph.c (print_state): Fix.
21801
21802 2001-08-27 Marc Autret <autret_m@epita.fr>
21803
21804 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
21805 char * members.
21806 Echo modifications to the functions prototypes.
21807 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
21808
21809 2001-08-27 Marc Autret <autret_m@epita.fr>
21810
21811 * src/vcg.c: Include `xalloc.h'.
21812 (add_colorentry): New.
21813 (add_classname): New.
21814 (add_infoname): New.
21815 * src/vcg.h: Add new prototypes.
21816
21817 2001-08-27 Akim Demaille <akim@epita.fr>
21818
21819 * Makefile.maint: Sync. again with CVS Autoconf.
21820
21821 2001-08-27 Akim Demaille <akim@epita.fr>
21822
21823 * Makefile.maint: Formatting changes.
21824 (po-update, cvs-update, update): New targets.
21825 (AMTAR): Remove.
21826
21827 2001-08-27 Akim Demaille <akim@epita.fr>
21828
21829 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
21830 * Makefile.maint: Sync. with CVS Autoconf.
21831
21832 2001-08-27 Marc Autret <autret_m@epita.fr>
21833
21834 * src/vcg.h (struct infoname_s): New.
21835 (struct colorentry_s): New.
21836 (graph_s): New fields {vertical,horizontal}_order in structure.
21837 Add `infoname' field.
21838 Add `colorentry' field;
21839 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
21840 (G_HORIZONTAL_ORDER): New.
21841 (G_INFONAME): New.
21842 (G_COLORENTRY): New.
21843 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
21844 Add output of `infoname'.
21845 Add output of `colorentry'.
21846
21847 2001-08-27 Marc Autret <autret_m@epita.fr>
21848
21849 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
21850 This one shadowed a global parameter.
21851
21852 2001-08-24 Marc Autret <autret_m@epita.fr>
21853
21854 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
21855 instead of `unsigned'.
21856 (print_state): Do not call obstack_object_size () in obstack_grow ()
21857 to avoid macro variables shadowing.
21858
21859 2001-08-23 Marc Autret <autret_m@epita.fr>
21860
21861 * src/lex.c (percent_table): Typo: s/naem/name/.
21862 Add graph option.
21863 Normalize new options declarations.
21864
21865 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
21866
21867 * tests/suite.at: Exercise %header_extension and %source_extension.
21868
21869 2001-08-16 Marc Autret <autret_m@epita.fr>
21870
21871 * src/reader.c (parse_dquoted_param): New.
21872 (parse_header_extension_decl): Use it.
21873 (parse_source_extension_decl): Likewise.
21874
21875 2001-08-16 Marc Autret <autret_m@epita.fr>
21876
21877 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
21878 (get_xxxx_str): Use assert () instead of complain ().
21879 Remove return invokations in default cases.
21880 (get_decision_str): Modify default behaviour. Remove second argument.
21881 Echo modifications on calls.
21882 (output_graph): Fix.
21883
21884 2001-08-16 Marc Autret <autret_m@epita.fr>
21885
21886 * src/getargs.c (usage): Update with ``-g, --graph''.
21887
21888 2001-08-16 Marc Autret <autret_m@epita.fr>
21889
21890 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
21891 (Option Cross Key): Likewise.
21892 * doc/bison.1: Update.
21893
21894 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
21895
21896 * src/output.c (output_master_parser): Don't finish action_obstack.
21897 (output_parser): Don't care about the muscle action, here.
21898 (prepare): Copy the action_obstack in the action muscle.
21899 (output): Free action_obstack.
21900
21901 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21902
21903 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
21904 will contain `%union' declaration.
21905 (parse_union_decl): Delete #line directive output.
21906 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
21907 informations about %union.
21908 (parse_union_decl): Copy the union_obstack in the muscle stype.
21909 * src/bison.simple: Add new #line directive.
21910 Add typdef %%stype YYSTYPE.
21911
21912 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
21913
21914 * src/bison.simple: Add new `#line' directive.
21915
21916 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
21917
21918 * src/bison.simple: New `#line' directive.
21919 * src/output.c (output_parser): Support new dynamic muscle input_line.
21920
21921 2001-09-22 Marc Autret <autret_m@epita.fr>
21922
21923 * src/output.c (output_master_parser): New.
21924 (output_parser): Be more re-entrant.
21925
21926 2001-09-21 Marc Autret <autret_m@epita.fr>
21927
21928 * src/reader.c (copy_definition, parse_union_decl): Update and use
21929 `linef' muscle.
21930 (copy_action): Likewise.
21931 Use obstack_1grow ().
21932 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
21933
21934 2001-09-21 Marc Autret <autret_m@epita.fr>
21935
21936 * src/options.c (option_table): Adjust.
21937 * src/lex.c (parse_percent_token): Fix.
21938
21939 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21940
21941 * src/options.c (symtab.h): Include it, need by lex.h.
21942
21943 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
21944
21945 * src/lex.c (parse_percent_token): Change type of variable `tx', which
21946 is now an option_table_struct*.
21947 (option_strcmp): New function option_strcmp.
21948 (parse_percent_token): Call option_strcmp.
21949 * src/getargs.c (xalloc.h, options.h): Include it.
21950 (getargs): Call create_long_option_table.
21951 (getargs): Free longopts at the end of the function.
21952 (shortopts): Move in options.c.
21953 * src/options.c (create_long_option_table): New function. Convert
21954 information from option_table to option structure.
21955 * src/reader.c (options.h): Include it.
21956
21957 * src/Makefile.am: Adjust.
21958 * src/options.c (option_table): Create from longopts and percent_table.
21959 * src/getargs.c (longopts): Delete.
21960 * src/lex.c (struct percent_table_struct): Delete.
21961 (percent_table): Delete.
21962 (options.h): Include it.
21963 * src/options.c: Create.
21964 * src/options.h: Create.
21965 Declare enum opt_access_e.
21966 Define struct option_table_struct.
21967
21968 2001-09-20 Marc Autret <autret_m@epita.fr>
21969
21970 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
21971 sections of Bison.
21972
21973 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
21974
21975 * src/bison.simple: s/%%filename/%%skeleton.
21976 * src/muscle_tab.c (getargs.h): Include it.
21977 (muscle_init): Insert new muscle skeleton.
21978
21979 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
21980
21981 * src/output.c (output_parser): Delete unused variable actions_dumped.
21982
21983 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
21984
21985 * src/output.c (output): Delete call to reader_output_yylsp.
21986 * src/reader.c (reader): Likewise.
21987 * src/reader.h: Delete declaration of reader_output_yylsp.
21988
21989 2001-09-02 Marc Autret <autret_m@epita.fr>
21990
21991 * src/reader.c: Include muscle_tab.h.
21992 (parse_union_decl): Update.
21993 (parse_macro_decl): Rename parse_muscle_decl.
21994 Update to use renamed functions and variable.
21995 (read_declarations, copy_action, read_additionnal_code, : Updated
21996 with correct variables and functions names.
21997 (packsymbols, reader): Likewise.
21998
21999 * src/reader.h (muscle_obstack): Extern declaration update.
22000
22001 * src/output.c: Include muscle_tab.h
22002 In all functions using macro_insert, change by using muscle_insert ().
22003 (macro_obstack): Rename muscle_obstack.
22004 Echo modifications in the whole file.
22005 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
22006 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
22007 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
22008
22009 * src/muscle_tab.h: Update double inclusion macros.
22010 (macro_entry_s): Rename muscle_entry_s.
22011 Update prototypes.
22012
22013 * src/muscle_tab.c: Include muscle_tab.h.
22014 Rename macro_tabble to muscle_table.
22015 (mhash1, mhash2, mcmp): Use muscle_entry.
22016 (macro_init): Rename muscle_init. Update.
22017 (macro_insert): Rename muscle_insert. Update.
22018 (macro_find): Rename muscle_find. Update.
22019
22020 * src/main.c: Include muscle_tab.h.
22021 (main): Call muscle_init ().
22022 * src/Makefile.am (bison_SOURCES): Echo modifications.
22023
22024 2001-09-02 Marc Autret <autret_m@epita.fr>
22025
22026 Now the files macro_tab.[ch] are named muscle_tab.[ch].
22027
22028 * src/muscle_tab.c, src/muscle_tab.h: Add files.
22029
22030 2001-09-02 Marc Autret <autret_m@epita.fr>
22031
22032 * src/macrotab.c, src/macrotab.h: Remove.
22033
22034 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
22035
22036 * src/reader.c (copy_guard): Use muscle to specify the `#line'
22037 filename.
22038
22039 2001-09-01 Marc Autret <autret_m@epita.fr>
22040
22041 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
22042 to an explicit value to activate the feature. We do it here.
22043
22044 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
22045
22046 * src/output.c (prepare): Delete the `filename' muscule insertion.
22047 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
22048 (parse_union_decl): Likewise.
22049 * src/macrotab.c (macro_init): Initialize filename by infile.
22050
22051 2001-08-31 Marc Autret <autret_m@epita.fr>
22052
22053 * src/bison.simple (YYLSP_NEEDED): New definition.
22054 * src/output.c (prepare): Add macro insertion of `locations_flag'
22055
22056 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
22057
22058 * src/output.c (prepare): Delete insertion of previous muscles,
22059 and insert the `prefix' muscles.
22060 * src/macrotab.c (macro_init): Likewise.
22061 (macro_init): Initialization prefix directive by `yy'.
22062 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
22063 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
22064 yylval, yydebug, yyerror, yynerrs and yyparse.
22065 New directive `#define' to substitute yydebug, ... with option
22066 name_prefix.
22067
22068 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
22069
22070 * src/main.c (main): Standardize.
22071 * src/output.c (output_table_data, output_parser): Likewise.
22072 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
22073
22074 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
22075
22076 * src/reader.c (read_additionnal_code): Rename %%user_code to
22077 %%epilogue.
22078 * src/output.c (output): Rename %%declarations to %%prologue.
22079 * src/bison.simple: Echo modifications.
22080
22081 2001-08-31 Marc Autret <autret_m@epita.fr>
22082
22083 * src/reader.c (readgram): CleanUp.
22084 (output_token_defines): Likewise.
22085 (packsymbols): Likewise.
22086 (reader): Likewise.
22087 * src/output.c (output): CPP-out useless code.
22088
22089 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
22090
22091 * src/reader.c (reader): Delete obsolete call to function
22092 output_trailers and output_headers.
22093 * src/output.h: Remove obsolete functions prototypes of output_headers
22094 and output_trailers.
22095
22096 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
22097
22098 * src/main.c: Include macrotab.h.
22099 * src/macrotab.h (macro_entry_s): Constify fields.
22100 Adjust functions prototypes.
22101 * src/macrotab.c (macro_insert): Constify key and value.
22102 (macro_find): Constify key.
22103 (macro_insert): Include 'xalloc.h'
22104 (macro_insert): Use XMALLOC.
22105 (macro_find): Constify return value.
22106 * src/output.c (output_table_data): Rename table to table_data.
22107 (output_parser): Constify macro_key, macro_value.
22108
22109 2001-08-30 Marc Autret <autret_m@epita.fr>
22110
22111 * src/reader.c (parse_skel_decl): New.
22112 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
22113 * src/lex.h (token_t): New token `tok_skel'.
22114 * src/lex.c (percent_table): Add skeleton option entry.
22115 Standardize.
22116
22117 2001-08-29 Marc Autret <autret_m@epita.fr>
22118
22119 * src/bison.simple: Add %%user_code directive at the end.
22120 * src/reader.c (read_additionnal_code): New.
22121 (reader): Use it.
22122 * src/output.c (output_program): Remove.
22123 (output): Update.
22124
22125 2001-08-28 Marc Autret <autret_m@epita.fr>
22126
22127 * src/output.c (output_actions): Clean up.
22128 (output_gram): CPP-out useless code.
22129 * src/reader.c (reader): Clean up, CPP-out useless code.
22130
22131 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
22132
22133 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
22134 directive.
22135 * src/bison.simple: Add `%%definitions'.
22136
22137 2001-08-28 Marc Autret <autret_m@epita.fr>
22138
22139 * config/depcomp: New file.
22140
22141 2001-08-27 Paul Eggert <eggert@twinsun.com>
22142
22143 * src/bison.simple (yyparse): Don't take the address of an
22144 item before the start of an array, as that doesn't conform to
22145 the C Standard.
22146
22147 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
22148
22149 * src/output.c (output): Remove the initialization of the macro
22150 obstack. It was done too late here.
22151
22152 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
22153 completely wrong.
22154 (reader): Initialize the macro obstack here, since we need it to grow
22155 '%define' directives.
22156
22157 * src/reader.h: Declare the macro obstack as extern.
22158
22159 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
22160
22161 * src/output.c (output_parser): Fix. Store single '%' characters in
22162 the output obstack instead of throwing them away.
22163
22164 2001-08-27 Akim Demaille <akim@epita.fr>
22165
22166 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
22167
22168 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22169
22170 * lib/Makefile.am: Adjust.
22171
22172 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22173
22174 * src/bison.simple: Update and add '%%' directives.
22175
22176 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22177
22178 * src/reader.c (reader): Remove calls to 'output_headers' and
22179 'output_trailers'. Remove some C output.
22180 (readgram): Disable a piece of code that was writing a default
22181 definition for 'YYSTYPE'.
22182 (reader_output_yylsp): Remove.
22183 (packsymbols): Output token defintions to a macro.
22184 (copy_definition): Disable C output.
22185
22186 * src/reader.c (parse_macro_decl): New function used to parse macro
22187 declarations.
22188 (copy_string2): Put the body of copy_string into this new function.
22189 Add a parameter to let the caller choose whether he wants to copy the
22190 string delimiters or not.
22191 (copy_string): Be a simple call to copy_string2 with the last argument
22192 bound to true.
22193 (read_declarations): Add case for macro definition.
22194 (copy_identifier): New.
22195 (parse_macro_decl): Read macro identifiers using copy_identifier
22196 rather than lex.
22197
22198 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22199
22200 * src/output.c (prepare): Add prefixed names.
22201 (output_parser): Output semantic actions.
22202 (output_parser): Fix bug on '%%line' directives.
22203
22204 * src/output.c (output_headers): Remove. The C code printed by this
22205 function should now be in the skeletons.
22206 (output_trailers): Remove.
22207 (output): Disable call to 'reader_output_yylsp'.
22208 (output_rule_data): Do not output tables to the table obstack.
22209
22210 * src/output.c: Remove some C dedicated output.
22211 Improve the use of macro and output obstacks.
22212 (output_defines): Remove.
22213
22214 * src/output.c (output_token_translations): Associate 'translate'
22215 table with a macro. No output to the table obstack.
22216 (output_gram): Same for 'rhs' and 'prhs'.
22217 (output_stos): Same for 'stos'.
22218 (output_rule_data): Same for 'r1' and 'r2'.
22219 (token_actions): Same for 'defact'.
22220 (goto_actions): Same for 'defgoto'.
22221 (output_base): Same for 'pact' and 'pgoto'.
22222 (output_table): Same for 'table'.
22223 (output_check): Same for 'check'.
22224
22225 * src/output.c (output_table_data): New function.
22226 (output_short_table): Remove.
22227 (output_short_or_char_table): Remove.
22228
22229 * src/output.c (output_parser): Replace most of the skeleton copy code
22230 with something new. Skeletons are now processed character by character
22231 rather than line by line, and Bison looks for '%%' macros. This is the
22232 first step in making Bison's output process (a lot) more flexible.
22233 (output_parser): Use the macro table.
22234
22235 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22236
22237 * src/main.c (main): Initialize the macro table.
22238
22239 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22240
22241 * src/lex.c (percent_table): Add tok_define.
22242 * src/lex.h: Add tok_define.
22243
22244 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22245
22246 * src/macrotab.c: New file.
22247 * src/macrotab.h: New file.
22248 * src/Makefile.am: Update.
22249
22250 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
22251
22252 * lib/hash.c: New file.
22253 * lib/hash.h: New file.
22254 * lib/Makefile.am: Update.
22255
22256 2001-08-15 Akim Demaille <akim@epita.fr>
22257
22258 Version 1.28c.
22259
22260 2001-08-15 Marc Autret <autret_m@epita.fr>
22261
22262 * src/reader.c (readgram): Indent output macro YYSTYPE.
22263 (packsymbols): Likewise.
22264 (output_token_defines): Likewise.
22265 * src/files.c: Standardize.
22266 (compute_header_macro): New.
22267 (defines_obstack_save): New. Use compute_header_macro.
22268 (output_files): Update. Use defines_obstack_save.
22269
22270 2001-08-15 Akim Demaille <akim@epita.fr>
22271
22272 * doc/bison.texinfo (Table of Symbols): Document
22273 YYSTACK_USE_ALLOCA.
22274
22275 2001-08-15 Akim Demaille <akim@epita.fr>
22276
22277 * missing: Update from CVS Automake.
22278 * config/config.guess, config/config.sub, config/texinfo.tex:
22279 Update from gnu.org.
22280
22281 2001-08-15 Akim Demaille <akim@epita.fr>
22282
22283 * Makefile.maint: Sync with CVS Autoconf.
22284
22285 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
22286
22287 * doc/bison.texinfo: Include GNU Free Documentation License from
22288 `fdl.texi'.
22289 * doc/fdl.texi: Add to package.
22290
22291 2001-08-14 Marc Autret <autret_m@epita.fr>
22292
22293 Turn on %{source,header}_extension features.
22294
22295 * src/lex.c (percent_table): Un-CPP out header_extension and
22296 source_extension.
22297 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
22298 (compute_exts_from_src): Remove conditions. It restores priorities
22299 between options.
22300
22301 2001-08-14 Marc Autret <autret_m@epita.fr>
22302
22303 * src/files.c (compute_base_names): Add extensions computing when
22304 `--file-prefix' used.
22305 Standardize function calls.
22306
22307 2001-08-13 Marc Autret <autret_m@epita.fr>
22308
22309 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
22310 defining it (defined but null disables alloca).
22311
22312 2001-08-13 Marc Autret <autret_m@epita.fr>
22313
22314 * src/bison.simple (_yy_memcpy): CPP reformat.
22315
22316 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
22317
22318 * tests/atconfig.in (CPPFLAGS): Fix.
22319
22320 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
22321
22322 * doc/bison.texinfo: Include GNU General Public License from
22323 `gpl.texi'.
22324 * doc/gpl.texi: Add to package.
22325
22326 2001-08-10 Marc Autret <autret_m@epita.fr>
22327
22328 * src/print_graph.h: Fix.
22329 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
22330
22331 2001-08-10 Akim Demaille <akim@epita.fr>
22332
22333 * src/system.h: Provide default declarations for stpcpy, strndup,
22334 and strnlen.
22335
22336 2001-08-10 Robert Anisko <anisko_r@epita.fr>
22337
22338 * doc/bison.texinfo (Locations): Update @$ stuff.
22339
22340 2001-08-09 Robert Anisko <anisko_r@epita.fr>
22341
22342 * src/bison.simple (YYLLOC_DEFAULT): Update.
22343 (yyparse): Adjust.
22344
22345 2001-08-08 Marc Autret <autret_m@epita.fr>
22346
22347 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
22348 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
22349 Reported by Fabrice Bauzac.
22350
22351 2001-08-08 Marc Autret <autret_m@epita.fr>
22352
22353 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
22354 * src/vcg.c (output_node): Fix.
22355 * src/vcg.h: Cleanup.
22356 * src/print_graph.c: Add comments.
22357 (node_output_size): New global variable. Simplify the formatting of
22358 the VCG graph output.
22359 (print_actions): Unused code is now used. It notifies the final state
22360 and no action states in the VCG graph. It also give the reduce actions.
22361 The `shift and goto' edges are red and the `go to state' edges are
22362 blue.
22363 Get the current node name and node_obstack by argument.
22364 (node_obstack): New variable.
22365 (print_state): Manage node_obstack.
22366 (print_core): Use node_obstack given by argument.
22367 A node is not only computed here but in print_actions also.
22368 (print_graph): CPP out useless code instead of commenting it.
22369
22370 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
22371
22372 * tests/atconfig.in (CPPFLAGS): Fix.
22373
22374 2001-08-07 Akim Demaille <akim@epita.fr>
22375
22376 * src/print_graph.c (quote): New.
22377 (print_core): Use it.
22378
22379 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
22380
22381 * src/vcg.c (complain.h): Include it.
22382 Unepitaize `return' invocations.
22383 [NDEBUG] (main): Remove.
22384 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
22385 * src/files.c (open_files): Initialize graph_obstack.
22386 * src/print_graph.c (print_actions): CPP out useless code.
22387 (print_core): Don't output the last `\n' in labels.
22388 Use `quote'.
22389 * src/files.c (output_files): Output the VCG file.
22390 * src/main.c (main): Invoke print_graph ();
22391
22392 2001-08-06 Marc Autret <autret_m@epita.fr>
22393
22394 Automaton VCG graph output.
22395 Using option ``-g'' or long option ``--graph'', you can generate
22396 a gram_filename.vcg file containing a VCG description of the LALR (1)
22397 automaton of your grammar.
22398
22399 * src/main.c: Call to print_graph() function.
22400 * src/getargs.h: Update.
22401 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
22402 (graph_flag): New flag.
22403 (longopts): Update.
22404 (getargs): Add case `g'.
22405 * src/files.c (graph_obstack): New obstack struct.
22406 (open_files): Initialize new obstack.
22407 (output_files): Saves graph_obstack if required.
22408 * src/files.h (graph_obstack): New extern declaration.
22409 * src/Makefile.am: Add new source files.
22410
22411 2001-08-06 Marc Autret <autret_m@epita.fr>
22412
22413 * src/print_graph.c, src/print_graph.h (graph): New.
22414 * src/vcg.h: New file.
22415 * src/vcg.c: New file, VCG graph handling.
22416
22417 2001-08-06 Marc Autret <autret_m@epita.fr>
22418
22419 Add of %source_extension and %header_extension which specify
22420 the source or/and the header output file extension.
22421
22422 * src/files.c (compute_base_names): Remove initialisation of
22423 src_extension and header_extension.
22424 (compute_exts_from_gf): Update.
22425 (compute_exts_from_src): Update.
22426 (output_files): Update.
22427 * src/reader.c (parse_header_extension_decl): New.
22428 (parse_source_extension_decl): New.
22429 (read_declarations): New case statements for the new tokens.
22430 * src/lex.c (percent_table): Add entries for %source_extension
22431 and %header_extension.
22432 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
22433
22434 2001-08-06 Marc Autret <autret_m@epita.fr>
22435
22436 * configure.in: Bump to 1.28c.
22437 * doc/bison.texinfo: Texinfo thingies.
22438
22439 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
22440
22441 * tests/atconfig.in (CPPFLAGS): Add.
22442 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
22443
22444 2001-08-03 Akim Demaille <akim@epita.fr>
22445
22446 Version 1.28b.
22447
22448 2001-08-03 Akim Demaille <akim@epita.fr>
22449
22450 * tests/Makefile.am (check-local): Ship testsuite.
22451 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
22452 Include `string.h'.
22453
22454 2001-08-03 Akim Demaille <akim@epita.fr>
22455
22456 * configure.in: Try using -Wformat when compiling.
22457
22458 2001-08-03 Akim Demaille <akim@epita.fr>
22459
22460 * configure.in: Bump to 1.28b.
22461
22462 2001-08-03 Akim Demaille <akim@epita.fr>
22463
22464 * src/complain.c: Adjust strerror_r portability issues.
22465
22466 2001-08-03 Akim Demaille <akim@epita.fr>
22467
22468 Version 1.28a.
22469
22470 2001-08-03 Akim Demaille <akim@epita.fr>
22471
22472 * src/getargs.c, src/getarg.h (skeleton)): Constify.
22473 * src/lex.c (literalchar): Avoid name clashes on `buf'.
22474 * src/getargs.c: Include complain.h.
22475 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
22476 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
22477
22478 2001-08-03 Akim Demaille <akim@epita.fr>
22479
22480 * src/reader.c (readgram): Display hidden chars in error messages.
22481
22482 2001-08-03 Akim Demaille <akim@epita.fr>
22483
22484 Update to gettext 0.10.39.
22485
22486 2001-08-03 Akim Demaille <akim@epita.fr>
22487
22488 * lib/strspn.c: New.
22489
22490 2001-08-01 Marc Autret <autret_m@epita.fr>
22491
22492 * doc/bison.texinfo: Update.
22493 * doc/bison.1 (mandoc): Update.
22494 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
22495 * src/files.c: Support output files extensions computing.
22496 (src_extension): New static variable.
22497 (header_extension): New static variable.
22498 (tr): New function.
22499 (get_extension_index): New function, gets the index of an extension
22500 filename in a string.
22501 (compute_exts_from_gf): New function, computes extensions from the
22502 grammar file extension.
22503 (compute_exts_from_src): New functions, computes extensions from the
22504 C source file extension, file given by ``-o'' option.
22505 (compute_base_names): Update.
22506 (output_files): Update.
22507
22508 2001-08-01 Robert Anisko <anisko_r@epita.fr>
22509
22510 * doc/bison.texi: Document @$.
22511 (Locations): New section.
22512
22513 2001-07-18 Akim Demaille <akim@epita.fr>
22514
22515 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
22516 * config/prev-version.txt, config/move-if-change: New.
22517 * Makefile.am: Adjust.
22518
22519 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
22520
22521 * src/bison.simple (yyparse): Suppress warning `comparaison
22522 between signed and unsigned'.
22523
22524 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
22525
22526 * src/getargs.h (raw_flag): Remove.
22527 * src/getargs.c: Die on `-r'/`--raw'.
22528 * src/lex.c (parse_percent_token): Die on `%raw'.
22529 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
22530 * tests/calc.at: Suppress test with option `--raw'.
22531
22532 2001-07-14 Akim Demaille <akim@epita.fr>
22533
22534 * config/: New.
22535 * configure.in: Require Autoconf 2.50.
22536 Update to gettext 0.10.38.
22537
22538 2001-03-16 Akim Demaille <akim@epita.fr>
22539
22540 * doc/bison.texinfo: ANSIfy the examples.
22541
22542 2001-03-16 Akim Demaille <akim@epita.fr>
22543
22544 * getargs.c (skeleton): New variable.
22545 (longopts): --skeleton is a new option.
22546 (shortopts, getargs): -S is a new option.
22547 * getargs.h: Declare skeleton.
22548 * output.c (output_parser): Use it.
22549
22550 2001-03-16 Akim Demaille <akim@epita.fr>
22551
22552 * m4/strerror_r.m4: New.
22553 * m4/error.m4: Run AC_FUNC_STRERROR_R.
22554 * lib/error.h, lib/error.c: Update.
22555
22556 2001-03-16 Akim Demaille <akim@epita.fr>
22557
22558 * src/getargs.c (longopts): Clean up.
22559
22560 2001-02-21 Akim Demaille <akim@epita.fr>
22561
22562 * src/reader.c (gensym): `gensym_count' is your own.
22563 Use a static buf to create the symbol name, as token_buffer is no
22564 longer a buffer.
22565
22566 2001-02-08 Akim Demaille <akim@epita.fr>
22567
22568 * src/conflicts.c (conflict_report): Be sure not to append to res
22569 between two calls, which could happen if both first sprintf were
22570 skipped, but not the first cp += strlen.
22571
22572 2001-02-08 Akim Demaille <akim@epita.fr>
22573
22574 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
22575 New, from fileutils 4.0.37.
22576 * configure.in: Require Autoconf 2.49c. I took some time before
22577 making this decision. This is the only way out for portability
22578 issues in Bison, it would mean way too much duplicate effort to
22579 import in Bison features implemented in 2.49c since 2.13.
22580 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
22581
22582 2001-02-02 Akim Demaille <akim@epita.fr>
22583
22584 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
22585 * lib/xalloc.h, lib/xmalloc.c: Update.
22586
22587 2001-01-19 Akim Demaille <akim@epita.fr>
22588
22589 Get rid of the ad hoc handling of token_buffer in the scanner: use
22590 the obstacks.
22591
22592 * src/lex.c (token_obstack): New.
22593 (init_lex): Initialize it. No longer call...
22594 (grow_token_buffer): this. Remove it.
22595 Adjust all the places which used it to use the obstack.
22596
22597 2001-01-19 Akim Demaille <akim@epita.fr>
22598
22599 * src/lex.h: Rename all the tokens:
22600 s/\bENDFILE\b/tok_eof/g;
22601 s/\bIDENTIFIER\b/tok_identifier/g;
22602 etc.
22603 Let them be enums, not #define, to ease debugging.
22604 Adjust all the code.
22605
22606 2001-01-18 Akim Demaille <akim@epita.fr>
22607
22608 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
22609 * src/lex.c (maxtoken, grow_token_buffer): Static.
22610
22611 2001-01-18 Akim Demaille <akim@epita.fr>
22612
22613 Since we now use obstacks, more % directives can be enabled.
22614
22615 * src/lex.c (percent_table): Also accept `%yacc',
22616 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
22617 `%debug'.
22618 Handle the actions for `%semantic_parser' and `%pure_parser' here,
22619 instead of returning a token.
22620 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
22621 * src/reader.c (read_declarations): Adjust.
22622 * src/files.c (open_files): Don't call `compute_base_names', don't
22623 compute `attrsfile' since they depend upon data which might be
22624 *in* the input file now.
22625 (output_files): Do it here.
22626 * src/output.c (output_headers): Document the fact that this patch
22627 introduces a guaranteed SEGV for semantic parsers.
22628 * doc/bison.texinfo: Document them.
22629 * tests/suite.at: Exercise these %options.
22630
22631 2000-12-20 Akim Demaille <akim@epita.fr>
22632
22633 Also handle the output file (--verbose) with obstacks.
22634
22635 * files.c (foutput): Remove.
22636 (output_obstack): New.
22637 Adjust all dependencies.
22638 * src/conflicts.c: Return a string.
22639 * src/system.h (obstack_grow_string): Rename as...
22640 (obstack_sgrow): this. Be ready to work with non literals.
22641 (obstack_fgrow4): New.
22642
22643 2000-12-20 Akim Demaille <akim@epita.fr>
22644
22645 * src/files.c (open_files): Fix the computation of short_base_name
22646 in the case of `-o foo.tab.c'.
22647
22648 2000-12-20 Akim Demaille <akim@epita.fr>
22649
22650 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
22651 (copy_dollar): Now that everything uses obstacks, get rid of the
22652 FILE * parameters.
22653
22654 2000-12-20 Akim Demaille <akim@epita.fr>
22655
22656 * src/files.c (open_files): Actually the `.output' file is based
22657 on the short_base_name, not base_name.
22658 * tests/suite.at (Checking output file names): Adjust.
22659
22660 2000-12-20 Akim Demaille <akim@epita.fr>
22661
22662 * src/bison.s1: Remove, we now use directly...
22663 * src/bison.simple: this.
22664 * src/Makefile.am: Use pkgdata instead of data.
22665
22666 2000-12-20 Akim Demaille <akim@epita.fr>
22667
22668 * src/files.c (guard_obstack): New.
22669 (open_files): Initialize it.
22670 (output_files): Dump it...
22671 * src/files.h: Export it.
22672 * src/reader.c (copy_guard): Use it.
22673
22674 2000-12-19 Akim Demaille <akim@epita.fr>
22675
22676 * src/files.c (outfile, defsfile, actfile): Removed as global
22677 vars.
22678 (open_files): Don't compute them.
22679 (output_files): Adjust.
22680 (base_name, short_base_name): Be global.
22681 Adjust dependencies.
22682
22683 2000-12-19 Akim Demaille <akim@epita.fr>
22684
22685 * src/files.c (strsuffix): New.
22686 (stringappend): Be just like strcat but allocate.
22687 (base_names): Eve out from open_files.
22688 Try to simplify the rather hairy computation of base_name and
22689 short_base_name.
22690 (open_files): Use it.
22691 * tests/suite.at (Checking output file names): New test.
22692
22693 2000-12-19 Akim Demaille <akim@epita.fr>
22694
22695 * src/system.h (obstack_grow_literal_string): Rename as...
22696 (obstack_grow_string): this.
22697 * src/output.c (output_parser): Recognize `%% actions' instead of
22698 `$'.
22699 * src/bison.s1: s/$/%% actions/.
22700 * src/bison.hairy: Likewise.
22701
22702 2000-12-19 Akim Demaille <akim@epita.fr>
22703
22704 * src/output.c (output_parser): Compute the `#line' lines when
22705 there are.
22706 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
22707 Suggested by Hans Aberg.
22708
22709 2000-12-19 Akim Demaille <akim@epita.fr>
22710
22711 Let the handling of the skeleton files be local to the procedures
22712 that use it.
22713
22714 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
22715 longer static.
22716 (fparser, open_extra_files): Remove.
22717 (open_files, output_files): Don't take care of fparser.
22718 * src/files.h: Adjust.
22719 * src/output.c (output_parser): Open and close the file to the
22720 skeleton.
22721 * src/reader.c (read_declarations): When %semantic_parser, open
22722 fguard.
22723
22724 2000-12-19 Akim Demaille <akim@epita.fr>
22725
22726 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
22727 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
22728
22729 2000-12-19 Akim Demaille <akim@epita.fr>
22730
22731 * src/files.c (open_files): Yipee! We no longer need all the code
22732 looking for `/tmp' since we have no tmp file.
22733
22734 2000-12-19 Akim Demaille <akim@epita.fr>
22735
22736 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
22737 New macros.
22738 * src/files.c (open_files): Less dependency on MSDOS etc.
22739
22740 2000-12-14 Akim Demaille <akim@epita.fr>
22741
22742 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
22743 Provide a default definition.
22744 Use it when executing the default @ action.
22745 * src/reader.c (reader_output_yylsp): No longer include
22746 `timestamp' and `text' in the default YYLTYPE.
22747
22748 2000-12-12 Akim Demaille <akim@epita.fr>
22749
22750 * src/reader.c (copy_definition, parse_union_decl, copy_action)
22751 (copy_guard): Quote the file names.
22752 Reported by Laurent Mascherpa.
22753
22754 2000-12-12 Akim Demaille <akim@epita.fr>
22755
22756 * src/output.c (output_headers, output_program, output): Be sure
22757 to escape special characters when outputting filenames.
22758 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
22759 (output_headers): Don't depend on them, Use ACTSTR.
22760
22761 2000-11-17 Akim Demaille <akim@epita.fr>
22762
22763 * lib/obstack.h: Formatting changes.
22764 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
22765 prevents type checking.
22766 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
22767 cast the value to (void *): assigning a `foo *' to a `void *'
22768 variable is valid.
22769 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
22770 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
22771 append characters.
22772
22773 2000-11-17 Akim Demaille <akim@epita.fr>
22774
22775 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
22776 as...
22777 (suite.m4, regression.m4, calc.m4): these.
22778 * tests/atgeneral.m4: Update from CVS Autoconf.
22779
22780 2000-11-17 Akim Demaille <akim@epita.fr>
22781
22782 * tests/regression.m4 (%union and --defines): New test,
22783 demonstrating a current bug in the obstack implementation.
22784
22785 2000-11-17 Akim Demaille <akim@epita.fr>
22786
22787 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
22788 macros.
22789 Use them to declare the variables which are global or local to
22790 `yyparse'.
22791
22792 2000-11-17 Akim Demaille <akim@epita.fr>
22793
22794 * acconfig.h: Remove, no longer used.
22795
22796 2000-11-07 Akim Demaille <akim@epita.fr>
22797
22798 * src: s/Copyright (C)/Copyright/g.
22799
22800 2000-11-07 Akim Demaille <akim@epita.fr>
22801
22802 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
22803 defining.
22804 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
22805
22806 2000-11-07 Akim Demaille <akim@epita.fr>
22807
22808 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
22809 Merge in a single CPP if/else.
22810
22811 2000-11-07 Akim Demaille <akim@epita.fr>
22812
22813 * src/output.c (output): Remove useless variables.
22814 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
22815 argument `data' for consistency with the prototypes.
22816 Qualify it `const'.
22817 (obstack_copy, obstack_copy0): Rename the second argument as
22818 `address' for consistency. Qualify it `const'.
22819 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
22820 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
22821 `const' their input argument (`data' or `address').
22822 Adjust the corresponding macros to include `const' in casts.
22823
22824 2000-11-03 Akim Demaille <akim@epita.fr>
22825
22826 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
22827 s/PFILE1/BISON_HAIRY/.
22828 Adjust dependencies.
22829
22830 2000-11-03 Akim Demaille <akim@epita.fr>
22831
22832 For some reason, this was not applied.
22833
22834 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
22835 `unlink': it's no longer used.
22836
22837 2000-11-03 Akim Demaille <akim@epita.fr>
22838
22839 * src/files.c (skeleton_find): New function, eved out of...
22840 (open_files, open_extra_files): here.
22841
22842 2000-11-03 Akim Demaille <akim@epita.fr>
22843
22844 Don't use `atexit'.
22845
22846 * src/files.c (obstack_save): New function.
22847 (done): Rename as...
22848 (output_files): this.
22849 Use `obstack_save'.
22850 * src/main.c (main): Don't use `atexit' to register `done', since
22851 it no longer has to remove tmp files, just call `output_files'
22852 when there are no errors.
22853
22854 2000-11-02 Akim Demaille <akim@epita.fr>
22855
22856 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
22857 `unlink': it's no longer used.
22858 * src/files.h: Formatting changes.
22859
22860 2000-11-02 Akim Demaille <akim@epita.fr>
22861
22862 Remove the last uses of mktemp and unlink/delete.
22863
22864 * src/files.c (fdefines, ftable): Removed.
22865 (defines_ostack, table_obstack): New.
22866 Adjust dependencies of the former into uses of the latter.
22867 * src/output.c (output_short_or_char_table, output_short_table):
22868 Convert to using obstacks.
22869 * src/reader.c (copy_comment2): Accept one FILE * and two
22870 obstacks.
22871 (output_token_defines, reader_output_yylsp): Use obstacks.
22872 * src/system.h (obstack_fgrow3): New.
22873 * po/POTFILES.in: Adjust.
22874
22875 2000-11-01 Akim Demaille <akim@epita.fr>
22876
22877 Change each use of `fattrs' into a use of `attrs_obstack'.
22878
22879 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
22880 * src/files.c (fattrs): Remove.
22881 (attrs_obstack): New.
22882 Adjust all dependencies.
22883 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
22884
22885 2000-11-01 Akim Demaille <akim@epita.fr>
22886
22887 Introduce obstacks.
22888 Change each use of `faction' into a use of `action_obstack'.
22889
22890 * lib/obstack.h, lib/obstack.c: New files.
22891 * src/files.c (faction): Remove.
22892 (action_obstack): New.
22893 Adjust all dependencies.
22894
22895 2000-10-20 Akim Demaille <akim@epita.fr>
22896
22897 * lib/quote.h (PARAMS): New macro. Use it.
22898
22899 2000-10-16 Akim Demaille <akim@epita.fr>
22900
22901 * src/output.c (output_short_or_char_table): New function.
22902 (output_short_table, output_token_translations): Use it.
22903 (goto_actions): Use output_short_table.
22904
22905 2000-10-16 Akim Demaille <akim@epita.fr>
22906
22907 * src/symtab.c (bucket_new): New function.
22908 (getsym): Use it.
22909
22910 * src/output.c (output_short_table): New argument to display the
22911 comment associated with the table.
22912 Adjust dependencies.
22913 (output_gram): Use it.
22914 (output_rule_data): Nicer output layout for YYTNAME.
22915
22916 2000-10-16 Akim Demaille <akim@epita.fr>
22917
22918 * src/lex.c (read_typename): New function.
22919 (lex): Use it.
22920 * src/reader.c (copy_dollar): Likewise.
22921
22922 2000-10-16 Akim Demaille <akim@epita.fr>
22923
22924 * src/reader.c (copy_comment2): Expect the input stream to be on
22925 the `/' which is suspected to open a comment, instead of being
22926 called after `//' or `/*' was read.
22927 (copy_comment, copy_definition, parse_union_decl, copy_action)
22928 (copy_guard): Adjust.
22929
22930 2000-10-16 Akim Demaille <akim@epita.fr>
22931
22932 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
22933 `read_signed_integer'.
22934
22935 2000-10-16 Akim Demaille <akim@epita.fr>
22936
22937 * src/reader.c (copy_dollar): New function.
22938 (copy_guard, copy_action): Use it.
22939
22940 2000-10-16 Akim Demaille <akim@epita.fr>
22941
22942 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
22943 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
22944 New files, from Fileutils 4.0.27.
22945 * src/main.c (printable_version): Remove.
22946 * src/lex.c, src/reader.c: Use `quote'.
22947
22948 2000-10-04 Akim Demaille <akim@epita.fr>
22949
22950 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
22951
22952 2000-10-04 Akim Demaille <akim@epita.fr>
22953
22954 * doc/bison.texinfo: Various typos spotted by Neil Booth.
22955
22956 2000-10-04 Akim Demaille <akim@epita.fr>
22957
22958 When a literal string is used to define two different tokens,
22959 `bison -v' segfaults.
22960 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
22961
22962 * tests/regression.m4: New file.
22963 Include the core of the sample provided by Piotr Gackiewicz.
22964 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
22965 properly.
22966
22967 2000-10-04 Akim Demaille <akim@epita.fr>
22968
22969 * src/reader.c (parse_expect_decl): Keep `count' within the size
22970 of `buffer'.
22971 From Neil Booth.
22972
22973 2000-10-02 Paul Eggert <eggert@twinsun.com>
22974
22975 * bison.s1 (yyparse): Assign the default value
22976 unconditionally, to avoid a GCC warning and make the parser a
22977 tad smaller.
22978
22979 2000-10-02 Akim Demaille <akim@epita.fr>
22980
22981 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
22982 options.
22983
22984 2000-10-02 Akim Demaille <akim@epita.fr>
22985
22986 * src/derives.c, src/print.c, src/reduce.c: To ease the
22987 translation, move some `\n' out of the translated strings.
22988
22989 2000-10-02 Akim Demaille <akim@epita.fr>
22990
22991 The location tracking mechanism is precious for parse error
22992 messages. Nevertheless, it is enabled only when `@n' is used in
22993 the grammar, which is a different issue (you can use it in error
22994 message, but not in the grammar per se). Therefore, there should
22995 be another means to enable it.
22996
22997 * src/getargs.c (getargs): Support `--locations'.
22998 (usage): Report it.
22999 * src/getargs.h (locationsflag): Export it.
23000 * src/lex.c (percent_table): Support `%locations'.
23001 * src/reader.c (yylsp_needed): Remove this variable, now replaced
23002 with `locationsflag'.
23003 * doc/bison.texinfo: Document `--locations' and `%locations'.
23004 Sort the options.
23005 * tests/calc.m4: Test it.
23006
23007 For regularity of the names, replace each
23008 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
23009 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
23010 In addition replace each `flag' with `_flag'.
23011
23012 2000-10-02 Akim Demaille <akim@epita.fr>
23013
23014 Also test parse error messages, including with YYERROR_VERBOSE.
23015
23016 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
23017 associative).
23018 Use it to check the computations.
23019 Use it to check `nonassoc' is honored.
23020 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
23021 `--yyerror-verbose'.
23022 (_AT_CHECK_CALC): Adjust to this option.
23023 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
23024
23025 2000-10-02 Akim Demaille <akim@epita.fr>
23026
23027 Test also `--verbose', `--defines' and `--name-prefix'. Testing
23028 the latter demonstrates a flaw in the handling of non debugging
23029 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
23030 was used in order to simplify:
23031
23032 #if YYDEBUG
23033 if (yydebug)
23034 {
23035 ...
23036 }
23037 #endif
23038
23039 into
23040
23041 if (yydebug)
23042 {
23043 ...
23044 }
23045
23046 unfortunately this leads to a CPP conflict when
23047 `--name-prefix=foo' is used since it produces `#define yydebug
23048 foodebug'.
23049
23050 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
23051 (YYDPRINTF): New macro.
23052 Spread its use.
23053 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
23054 the bison options.
23055 Also test `--verbose', `--defines' and `--name-prefix'.
23056
23057 2000-10-02 Akim Demaille <akim@epita.fr>
23058
23059 Improve the readability of the produced parsers.
23060
23061 * src/bison.s1: Formatting changes.
23062 Improve the comment related to the `$' mark.
23063 (yydefault): Don't fall through to `yyresume': `goto' there.
23064 * src/output.c (output_parser): When the `$' is met, skip the end
23065 of its line.
23066 New variable, `number_of_dollar_signs', to check there's exactly
23067 one `$' in the parser skeleton.
23068
23069 2000-10-02 Akim Demaille <akim@epita.fr>
23070
23071 * lib/xstrdup.c: New file, from the fileutils.
23072 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
23073 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
23074 instead of strlen + xmalloc + strcpy.
23075 * src/symtab.c (copys): Remove, use xstrdup instead.
23076
23077 2000-10-02 Akim Demaille <akim@epita.fr>
23078
23079 * src/gram.h (associativity): New enum type which replaces the
23080 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
23081 `right_assoc', `left_assoc' and `non_assoc'.
23082 Adjust all dependencies.
23083 * src/reader.c: Formatting changes.
23084 (LTYPESTR): Don't define it, use it as a literal in
23085 `reader_output_yylsp'.
23086 * src/symtab.h (symbol_class): New enum type which replaces the
23087 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
23088 `sunknown', `stoken and `snterm'.
23089
23090 2000-10-02 Akim Demaille <akim@epita.fr>
23091
23092 * src/getargs.c (fixed_outfiles): Rename as...
23093 (yaccflag): for consistency and accuracy.
23094 Adjust dependencies.
23095
23096 2000-10-02 Akim Demaille <akim@epita.fr>
23097
23098 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
23099 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
23100 difficult and introduced a lot of core dump. It turns out that
23101 Bison used an implementation of `xmalloc' based on `calloc', and
23102 at various places it does depend upon the initialization to 0. I
23103 have not tried to isolate the pertinent places, and all the former
23104 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
23105 someone should address this issue.
23106
23107 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
23108 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
23109 files.
23110 Adjust dependencies.
23111 * src/warshall.h: New file.
23112 Propagate.
23113
23114 2000-10-02 Akim Demaille <akim@epita.fr>
23115
23116 Various anti-`extern in *.c' changes.
23117
23118 * src/system.h: Include `assert.h'.
23119
23120 2000-10-02 Akim Demaille <akim@epita.fr>
23121
23122 * src/state.h (nstates, final_state, first_state, first_shift)
23123 (first_reduction): Move their exportation from here...
23124 * src/LR0.h: to here.
23125 Adjust dependencies.
23126 * src/getargs.c (statisticsflag): New variable.
23127 Add support for `--statistics'.
23128 Adjust dependencies.
23129
23130 Remove a lot of now useless `extern' statements in most files.
23131
23132 2000-10-02 Akim Demaille <akim@epita.fr>
23133
23134 * src/LR0.h: New file.
23135 Propagate its use.
23136
23137 2000-10-02 Akim Demaille <akim@epita.fr>
23138
23139 * src/print.h: New file.
23140 Propagate its use.
23141 * src/print.c: Formatting and ordering changes.
23142 (verbose, terse): Replace with...
23143 (print_results): this new function.
23144 Adjust dependencies.
23145
23146 2000-10-02 Akim Demaille <akim@epita.fr>
23147
23148 * src/conflicts.c (conflict_report): New function.
23149 (conflict_log, verbose_conflict_log): Replace with...
23150 (print_conflicts): this function.
23151 Adjust dependencies.
23152 * src/conflicts.h: New file.
23153 Propagate its inclusion.
23154
23155 2000-10-02 Akim Demaille <akim@epita.fr>
23156
23157 * src/nullable.h: New file.
23158 Propagate its inclusion.
23159 * src/nullable.c: Formatting changes.
23160
23161 2000-10-02 Akim Demaille <akim@epita.fr>
23162
23163 * src/reduce.h: New file.
23164 Propagate its inclusion.
23165 * src/reduce.c: Topological sort and other formatting changes.
23166 (bool, TRUE, FALSE): Move their definition to...
23167 * src/system.h: here.
23168
23169 2000-10-02 Akim Demaille <akim@epita.fr>
23170
23171 * src/files.c: Formatting changes.
23172 (tryopen, tryclose, openfiles): Rename as...
23173 (xfopen, xfclose, open_files): this.
23174 (stringappend): static.
23175 * src/files.h: Complete the list of exported symbols.
23176 Propagate its use.
23177
23178 2000-10-02 Akim Demaille <akim@epita.fr>
23179
23180 * src/reader.h: New file.
23181 Propagate its use instead of tedious list of `extern' and
23182 prototypes.
23183 * src/reader.c: Formatting changes, topological sort,
23184 s/register//.
23185
23186 2000-10-02 Akim Demaille <akim@epita.fr>
23187
23188 * src/lex.h: Prototype `lex.c' exported functions.
23189 * src/reader.c: Adjust.
23190 * src/lex.c: Formatting changes.
23191 (safegetc): Rename as...
23192 (xgetc): this.
23193
23194 2000-10-02 Akim Demaille <akim@epita.fr>
23195
23196 * src/lalr.h: New file.
23197 Propagate its inclusion instead of prototypes and `extern'.
23198 * src/lalr.c: Formatting changes, topological sorting etc.
23199
23200 2000-10-02 Akim Demaille <akim@epita.fr>
23201
23202 * src/output.c (token_actions): Introduce a temporary array,
23203 YYDEFACT, that makes it possible for this function to use
23204 output_short_table.
23205
23206 2000-10-02 Akim Demaille <akim@epita.fr>
23207
23208 `user_toknums' is output as a `short[]' in `output.c', while it is
23209 defined as a `int[]' in `reader.c'. For consistency with the
23210 other output tables, `user_toknums' is now defined as a table of
23211 shorts.
23212
23213 * src/reader.c (user_toknums): Be a short table instead of an int
23214 table.
23215 Adjust dependencies.
23216
23217 Factor the short table outputs.
23218
23219 * src/output.c (output_short_table): New function.
23220 * src/output.c (output_gram, output_stos, output_rule_data)
23221 (output_base, output_table, output_check): Use it.
23222
23223 2000-10-02 Akim Demaille <akim@epita.fr>
23224
23225 * src/output.c (output): Topological sort of the functions, in
23226 order to get rid of the `static' prototypes.
23227 No longer use `register'.
23228 * src/output.h: New file.
23229 Propagate its inclusion in files explicitly prototyping functions
23230 from output.c.
23231
23232 2000-09-21 Akim Demaille <akim@epita.fr>
23233
23234 * src/atgeneral.m4: Update from Autoconf.
23235
23236 2000-09-21 Akim Demaille <akim@epita.fr>
23237
23238 * src/closure.h: New file.
23239 * src/closure.c: Formatting changes, topological sort over the
23240 functions, use of closure.h.
23241 (initialize_closure, finalize_closure): Rename as...
23242 (new_closure, free_closure): these. Adjust dependencies.
23243 * src/LR0.c: Formatting changes, topological sort, use of
23244 cloture.h.
23245 (initialize_states): Rename as...
23246 (new_states): this.
23247 * src/Makefile.am (noinst_HEADERS): Adjust.
23248
23249 2000-09-20 Akim Demaille <akim@epita.fr>
23250
23251 * src/acconfig.h: Don't protect config.h against multiple
23252 inclusion.
23253 Don't define PARAMS.
23254 * src/system.h: Define PARAMS.
23255 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
23256 purpose of config.h. system.h must not try to fix wrong
23257 definitions in config.h.
23258
23259 2000-09-20 Akim Demaille <akim@epita.fr>
23260
23261 * src/derives.h: New file.
23262 * src/main.c, src/derives.h: Use it.
23263 Formatting changes.
23264 * src/Makefile.am (noinst_HEADERS): Adjust.
23265
23266 2000-09-20 Akim Demaille <akim@epita.fr>
23267
23268 * tests/atgeneral.m4: Update from Autoconf.
23269 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
23270 (AT_CHECK_CALC): New macros.
23271 Use these macros to test bison with options `', `--raw',
23272 `--debug', `--yacc', `--yacc --debug'.
23273
23274 2000-09-19 Akim Demaille <akim@epita.fr>
23275
23276 * src/output.c: Formatting changes.
23277 * src/machine.h: Remove, leaving its contents in...
23278 * src/system.h: here.
23279 Include stdio.h.
23280 Adjust all dependencies on stdio.h and machine.h.
23281 * src/getargs.h: New file.
23282 Let all `extern' declarations about getargs.c be replaced with
23283 inclusion of `getargs.h'.
23284 * src/Makefile.am (noinst_HEADERS): Adjust.
23285
23286 * tests/calc.m4 (yyin): Be initialized in main, not on the global
23287 scope.
23288 (yyerror): Returns void, not int.
23289 * doc/bison.texinfo: Formatting changes.
23290
23291 2000-09-19 Akim Demaille <akim@epita.fr>
23292
23293 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
23294 portable.
23295
23296 2000-09-18 Akim Demaille <akim@epita.fr>
23297
23298 * configure.in: Append WARNING_CFLAGS to CFLAGS.
23299 * src/Makefile.am (INCLUDES): Don't.
23300 Be ready to fetch headers in lib/.
23301
23302 2000-09-18 Akim Demaille <akim@epita.fr>
23303
23304 * doc/bison.texinfo: Update the copyright.
23305 ANSIfy and GNUify the examples.
23306 Remove the old menu.
23307
23308 2000-09-18 Akim Demaille <akim@epita.fr>
23309
23310 First set of tests: use the `calc' example from the documentation.
23311
23312 * src/bison.s1 (yyparse): Condition the code using `yytname' which
23313 is defined only when YYDEBUG is.
23314 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
23315 * src/files.c (tryopen, tryclose): Formatting changes.
23316 Move to the top and be static.
23317 * src/reader.c (read_signed_integer): Likewise.
23318 * tests/calc.m4: New file.
23319 * Makefile.am, suite.m4: Adjust.
23320 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
23321
23322 2000-09-18 Akim Demaille <akim@epita.fr>
23323
23324 Add support for an Autotest test suite for Bison.
23325
23326 * m4/m4.m4, m4/atconfig.m4: New files.
23327 * m4/Makefile.am (EXTRA_DIST): Adjust.
23328 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
23329 files.
23330 * src/getargs.c: Display a more standard --version message.
23331 * src/reader.c (reader): Formatting changes.
23332 No longer depend upon VERSION_STRING.
23333 * configure.in: No longer use `dnl'.
23334 Set up the test suite and the new directory `tests/.
23335 (VERSION_STRING): Remove.
23336
23337 2000-04-14 Akim Demaille <akim@epita.fr>
23338
23339 * src/reader.c (copy_comment2): New function, same as former
23340 `copy_comment', but outputs into two FILE *.
23341 (copy_comment): Use it.
23342 (parse_union_decl): Use it.
23343 (get_type, parse_start_decl): Use the same `invalid' message.
23344 (parse_start_decl, parse_union_decl): Use the same `multiple'
23345 message.
23346 (parse_union_decl, copy_guard, copy_action): Use the same
23347 `unmatched' message.
23348 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
23349
23350 2000-03-31 Akim Demaille <akim@epita.fr>
23351
23352 * src/files.c (tryopen, tryclose): Move to the top.
23353 Be static.
23354
23355 2000-03-31 Akim Demaille <akim@epita.fr>
23356
23357 * src/main.c (main): Don't call `done', exit does it.
23358
23359 2000-03-31 Akim Demaille <akim@epita.fr>
23360
23361 * allocate.c: s/return (foo)/return foo/.
23362 * lalr.c: Likewise.
23363 * LR0.c: Likewise.
23364 * output.c: Likewise.
23365 * reader.c: Likewise.
23366 * symtab.c: Likewise.
23367 * vmsgetargs.c: Likewise.
23368
23369 2000-03-31 Akim Demaille <akim@epita.fr>
23370
23371 Clean up the error reporting functions.
23372
23373 * src/report.c: New file.
23374 * src/report.h: Likewise.
23375 * src/Makefile.am: Adjust.
23376 * m4/error.m4: New file.
23377 * m4/Makefile.am: Adjust.
23378 * configure.in (jm_PREREQ_ERROR): Call it.
23379 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
23380 Remove.
23381 (fatal, fatals): Remove. All callers use complain.c::fatal.
23382 (warn, warni, warns, warnss, warnss): Remove. All callers use
23383 complain.c::complain.
23384 (toomany): Remove, use fatal instead.
23385 * src/files.c (done): No argument, use complain_message_count.
23386 * src/main.c (main): Register `done' to `atexit'.
23387
23388 * src/getargs.c (usage): More `fputs', less `fprintf'.
23389
23390 2000-03-28 Akim Demaille <akim@epita.fr>
23391
23392 * lib/: New directory.
23393 * Makefile.am (SUBDIRS): Adjust.
23394 * configure.in: Adjust.
23395 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
23396 useless.
23397 * src/alloca.c: Moved to lib/.
23398 * src/getopt.c: Likewise.
23399 * src/getopt1.c: Likewise.
23400 * src/getopt.h: Likewise.
23401 * src/ansi2knr.c: Likewise.
23402 * src/ansi2knr.1: Likewise.
23403 * src/Makefile.am: Adjust.
23404 * lib/Makefile.am: New file.
23405
23406 2000-03-28 Akim Demaille <akim@epita.fr>
23407
23408 * src/getargs.c (usage): Refresh the help message.
23409
23410 2000-03-17 Akim Demaille <akim@epita.fr>
23411
23412 * src/getopt1.c: Updated from textutils 2.0e
23413 * src/getopt.c: Likewise.
23414 * src/getopt.h: Likewise.
23415
23416 2000-03-17 Akim Demaille <akim@epita.fr>
23417
23418 * src/Makefile.am (bison.simple): Fix the awk program: quote only
23419 the file name, not the whole `#line LINE FILE'.
23420
23421 2000-03-17 Akim Demaille <akim@epita.fr>
23422
23423 On syntax errors, report the token on which we choked.
23424
23425 * src/bison.s1 (yyparse): In the label yyerrlab, when
23426 YYERROR_VERBOSE, add yychar in msg.
23427
23428 2000-03-17 Akim Demaille <akim@epita.fr>
23429
23430 * src/reader.c (copy_at): New function.
23431 (copy_guard): Use it.
23432 (copy_action): Use it.
23433
23434 2000-03-17 Akim Demaille <akim@epita.fr>
23435
23436 Be kind to translators, save some useless translations.
23437
23438 * src/main.c (banner): New function.
23439 (fatal_banner): Use it.
23440 (warn_banner): Use it.
23441
23442 2000-03-17 Akim Demaille <akim@epita.fr>
23443
23444 * src/reader.c (copy_definition): Use copy_string and
23445 copy_comment. Removed now unused `match', `ended',
23446 `cplus_comment'.
23447 (copy_comment, copy_string): Moved, to be visible from
23448 copy_definition.
23449
23450 2000-03-17 Akim Demaille <akim@epita.fr>
23451
23452 * src/reader.c (copy_string): Declare `static inline'. No
23453 problems with inline, since it is checked by configure.
23454 (copy_comment): Likewise.
23455
23456 2000-03-17 Akim Demaille <akim@epita.fr>
23457
23458 * src/reader.c (packsymbols): Formatting changes.
23459
23460 2000-03-17 Akim Demaille <akim@epita.fr>
23461
23462 * src/reader.c (copy_comment): New function, factored out from:
23463 (copy_action): Use it. Removed now unused `match', `ended',
23464 `cplus_comment'.
23465 (copy_guard): Likewise.
23466
23467 2000-03-17 Akim Demaille <akim@epita.fr>
23468
23469 * src/reader.c (copy_string): New function, factored out from:
23470 (copy_action): Use it.
23471 (copy_guard): Likewise.
23472
23473 2000-03-17 Akim Demaille <akim@epita.fr>
23474
23475 Change the handling of @s so that they behave exactly like $s.
23476 There is now a pseudo variable @$ (readble and writable), location
23477 of the lhs of the rule (by default ranging from the location of
23478 the first symbol of the rhs, to the location of the last symbol,
23479 or, if the rhs is empty, YYLLOC).
23480
23481 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
23482 yyval.
23483 (yyparse): When providing a default semantic action, provide a
23484 default location action.
23485 (after the $): No longer change `*YYLSP', just stack YYLOC the
23486 same way you stack YYVAL.
23487 * src/reader.c (read_declarations): Use warns.
23488 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
23489 (copy_action, case '@'): Likewise.
23490 Use a standard error message, to save useless work from
23491 translators.
23492
23493 2000-03-17 Akim Demaille <akim@epita.fr>
23494
23495 * src/bison.s1: Formatting and cosmetics changes.
23496 * src/reader.c: Likewise.
23497 Update the Copyright notice.
23498
23499 2000-03-17 Akim Demaille <akim@epita.fr>
23500
23501 * src/bison.s1 (#line): All set to `#line' only, since the
23502 Makefile now handles them.
23503
23504 2000-03-16 Akim Demaille <akim@epita.fr>
23505
23506 * src/output.c (output_rule_data): Output the documentation of
23507 some of the tables.
23508 (Copyright notice): Update.
23509 Formatting changes.
23510
23511 2000-03-16 Akim Demaille <akim@epita.fr>
23512
23513 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
23514 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
23515 One `#if YYDEBUG' remains, since it uses variables which are
23516 defined only if `YYDEBUG != 0'.
23517
23518 2000-03-16 Akim Demaille <akim@epita.fr>
23519
23520 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
23521 and related variables so that the similarities are highlighted.
23522
23523 2000-03-16 Akim Demaille <akim@epita.fr>
23524
23525 * src/bison.s1: Properly indent CPP directives.
23526
23527 2000-03-16 Akim Demaille <akim@epita.fr>
23528
23529 * src/bison.s1: Properly indent the `alloca' CPP section.
23530
23531 2000-03-16 Akim Demaille <akim@epita.fr>
23532
23533 Do not hard code values of directories in `configure.in'.
23534 Update the `configure' tool chain.
23535
23536 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
23537 src/makefile.am.
23538 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
23539 (AC_OUTPUT): Add m4/Makefile.
23540 Bump to bison 1.28a, 1.29 has never been released.
23541 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
23542 handled via src/Makefile.am.
23543 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
23544 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
23545 autoheader.
23546 * Makefile.am (SUBDIRS): Add m4.
23547 (ACLOCAL_AM_FLAGS): New variable.
23548 (AUTOMAKE_OPTIONS): Add check-news.
23549 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
23550 the proper line number and file name.
23551 (DEFS): Propagate the location of bison library files and of the
23552 locale files.
23553 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
23554 builddir.
23555 * acinclude.m4: Remove, replaced by the directory m4.
23556 * m4/Makefile.am (EXTRA_DIST): New variable.
23557 * m4/gettext.m4: New file, from the fileutils.
23558 * m4/lcmessage.m4: Likewise
23559 * m4/progtest.m4: Likewise.
23560 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
23561
23562 2000-03-10 Akim Demaille <akim@epita.fr>
23563
23564 * src/closure.c:
23565 Formatting changes of various comments.
23566 Respect the GNU coding standards at various places.
23567 Don't use `_()' when no translation is needed.
23568
23569 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23570
23571 * src/files.c:
23572 OS/2 honors TMPDIR environment variable.
23573
23574 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23575
23576 * doc/bison.texinfo: Tweaked spelling and grammar.
23577 Updated ISBN.
23578 Removed reference to price of printed copy.
23579 Mention BISON_SIMPLE and BISON_HAIRY.
23580
23581 1999-12-13 Jesse Thilo <jthilo@gnu.org>
23582
23583 * configure.in, NEWS:
23584 Bison 1.29 released.
23585
23586 1999-10-27 Jesse Thilo <jthilo@gnu.org>
23587
23588 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
23589 Added reference card.
23590
23591 1999-07-26 Jesse Thilo <jthilo@gnu.org>
23592
23593 * po/ru.po: Added Russian translation.
23594
23595 1999-07-26 Jesse Thilo <jthilo@gnu.org>
23596
23597 * configure.in: Added Russian translation.
23598
23599 1999-07-06 Jesse Thilo <jthilo@gnu.org>
23600
23601 * configure.in, NEWS, README:
23602 Released version 1.28.
23603
23604 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23605
23606 * src/system.h:
23607 Squashed redefinition warning on some systems.
23608
23609 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
23610 Have configure build version string instead of relying on ANSI string
23611 concatentation.
23612
23613 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23614
23615 * po/POTFILES.in: Got rid of version.c.
23616
23617 1999-06-14 Jesse Thilo <jthilo@gnu.org>
23618
23619 * acconfig.h, configure.in:
23620 Have configure build version string instead of relying on ANSI string
23621 concatentation.
23622
23623 1999-06-08 Jesse Thilo <jthilo@gnu.org>
23624
23625 * doc/bison.1:
23626 Dropped mention of `+' for long-named options.
23627
23628 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23629
23630 * src/files.c: Added <unistd.h> for unlink().
23631
23632 * src/Makefile.am, src/system.h:
23633 I18n fixes.
23634
23635 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23636
23637 * README: Added a FAQ list.
23638
23639 * configure.in, acconfig.h:
23640 I18n fixes.
23641
23642 1999-05-30 Jesse Thilo <jthilo@gnu.org>
23643
23644 * doc/FAQ, doc/Makefile.am:
23645 Added a FAQ list.
23646
23647 1999-05-19 Jesse Thilo <jthilo@gnu.org>
23648
23649 * src/alloc.h, src/symtab.h, src/version.c:
23650 Protected inclusion of "config.h" with HAVE_CONFIG_H.
23651
23652 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23653
23654 * src/.cvsignore, src/Makefile.am:
23655 Reorganized: sources in `src', documentation in `doc'.
23656
23657 * src/lex.c (literalchar):
23658 fixed the code for escaping double quotes (thanks
23659 Jonathan Czisny.)
23660
23661 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23662
23663 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
23664 Adjusted paths to reflect directory reorganization.
23665
23666 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23667
23668 * doc/.cvsignore, doc/Makefile.am:
23669 Reorganized: sources in `src', documentation in `doc'.
23670
23671 1999-04-18 Jesse Thilo <jthilo@gnu.org>
23672
23673 * configure.in:
23674 Updated AC_INIT file to reflect directory reorganization.
23675
23676 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
23677 Reorganized: sources in `src', documentation in `doc'.
23678
23679 1999-04-13 Jesse Thilo <jthilo@gnu.org>
23680
23681 * src/allocate.c:
23682 Don't declare calloc() and realloc() if not necessary.
23683
23684 1999-04-13 Jesse Thilo <jthilo@gnu.org>
23685
23686 * configure.in, acconfig.h, acinclude.m4:
23687 Don't declare calloc() and realloc() if not necessary.
23688
23689 1999-03-23 Jesse Thilo <jthilo@gnu.org>
23690
23691 * po/.cvsignore: Added i18n support.
23692
23693 1999-03-23 Jesse Thilo <jthilo@gnu.org>
23694
23695 * acconfig.h, configure.in, Makefile.am:
23696 Added i18n support.
23697
23698 1999-03-22 Jesse Thilo <jthilo@gnu.org>
23699
23700 * src/bison.s1: Fixed #line numbers.
23701
23702 1999-03-15 Jesse Thilo <jthilo@gnu.org>
23703
23704 * po/es.po, po/fr.po, po/nl.po, po/de.po:
23705 Added PO files from Translation Project.
23706
23707 1999-03-03 Jesse Thilo <jthilo@gnu.org>
23708
23709 * Makefile.am:
23710 Added support for non-ANSI compilers (ansi2knr).
23711
23712 1999-02-16 Jesse Thilo <jthilo@gnu.org>
23713
23714 * configure.in: Bumped version number to 1.27.
23715
23716 * Makefile.am:
23717 Added `bison.simple' to list of files removed by `make distclean'.
23718
23719 1999-02-12 Jesse Thilo <jthilo@gnu.org>
23720
23721 * src/files.c, src/files.h:
23722 Defined locations of parser files in config.h instead of Makefile.
23723
23724 1999-02-12 Jesse Thilo <jthilo@gnu.org>
23725
23726 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
23727 Defined locations of parser files in config.h instead of Makefile.
23728
23729 1999-02-09 Jesse Thilo <jthilo@gnu.org>
23730
23731 * Makefile.am:
23732 Removed inappropriate use of $< macro.
23733
23734 1999-02-05 Jesse Thilo <jthilo@gnu.org>
23735
23736 * po/Makefile.in.in, po/POTFILES.in:
23737 Add `po' directory skeleton.
23738
23739 1999-01-27 Jesse Thilo <jthilo@gnu.org>
23740
23741 * README: Document help-bison list.
23742
23743 * configure.in: Add check for mkstemp().
23744
23745 1999-01-20 Jesse Thilo <jthilo@gnu.org>
23746
23747 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
23748 Hush a few compiler warnings.
23749
23750 * src/files.c:
23751 Add tryclose(), which verifies that fclose was successful.
23752 Hush a couple of compiler warnings.
23753
23754 1999-01-20 Jesse Thilo <jthilo@gnu.org>
23755
23756 * Makefile.am, OChangeLog:
23757 ChangeLog is now automatically generated. Include the old version as
23758 OChangeLog.
23759
23760 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23761
23762 * 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:
23763 Update FSF address.
23764
23765 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23766
23767 * doc/bison.texinfo: Fix formatting glitch.
23768
23769 * doc/bison.texinfo: Update FSF address.
23770
23771 1999-01-14 Jesse Thilo <jthilo@gnu.org>
23772
23773 * acconfig.h: Update FSF address.
23774
23775 1999-01-08 Jesse Thilo <jthilo@gnu.org>
23776
23777 * src/system.h:
23778 Don't define PACKAGE here, since config.h defines it.
23779
23780 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23781
23782 * src/reader.c: Update copyright date.
23783
23784 * src/main.c:
23785 Ditch sprintf to statically-sized buffers in fatal/warn functions in
23786 favor of output directly to stderr (avoids buffer overruns).
23787
23788 * src/reader.c: Some checks for premature EOF.
23789
23790 * 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:
23791 Use prototypes if the compiler understands them.
23792
23793 * src/files.c: Honor TMPDIR on Unix hosts.
23794 Use prototypes if the compiler understands them.
23795
23796 * src/reader.c:
23797 Fix a couple of buffer overrun bugs.
23798 Use prototypes if the compiler understands them.
23799
23800 * src/system.h: Include unistd.h and ctype.h.
23801 Use #ifdef instead of #if for NLS symbols.
23802
23803 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23804
23805 * doc/bison.texinfo:
23806 Delete comment "consider using @set for edition number, etc..." since
23807 we now are doing so.
23808
23809 1998-12-30 Jesse Thilo <jthilo@gnu.org>
23810
23811 * configure.in:
23812 Use prototypes if the compiler understands them.
23813
23814 * NEWS: Document 1.26 highlights.
23815
23816 * Makefile.am: Require Automake 1.3 or later.
23817
23818 * acconfig.h:
23819 Use prototypes if the compiler understands them.
23820
23821 1998-12-29 Jesse Thilo <jthilo@gnu.org>
23822
23823 * src/version.c:
23824 Use VERSION symbol from automake for version number.
23825
23826 1998-12-29 Jesse Thilo <jthilo@gnu.org>
23827
23828 * acconfig.h, configure.in, version.cin:
23829 Use VERSION symbol from automake for version number.
23830
23831 1998-11-28 Jesse Thilo <jthilo@gnu.org>
23832
23833 * Makefile.am:
23834 Distribute original version of simple parser (bison.s1), not built
23835 version (bison.simple).
23836
23837 1998-11-28 Jesse Thilo <jthilo@gnu.org>
23838
23839 * doc/bison.texinfo: Add info dir entry.
23840
23841 * doc/bison.texinfo:
23842 Let automake put version number into documentation.
23843
23844 1998-11-26 Jesse Thilo <jthilo@gnu.org>
23845
23846 * src/bison.cld, src/build.com, src/vmshlp.mar:
23847 Add non-RCS files from /gd/gnu/bison.
23848
23849 1998-11-26 Jesse Thilo <jthilo@gnu.org>
23850
23851 * doc/bison.1:
23852 Document the BISON_HAIRY and BISON_SIMPLE variables.
23853
23854 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23855
23856 * src/version.c: Build version.c automatically.
23857
23858 * src/reader.c:
23859 Fix token numbering (used to start at 258, not 257).
23860
23861 * src/system.h: Include config.h.
23862
23863 * src/getargs.c: Update bug report address.
23864
23865 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
23866 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
23867
23868 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23869
23870 * Makefile.am:
23871 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
23872
23873 * configure.in, version.cin:
23874 Build version.c automatically.
23875
23876 * AUTHORS: Add AUTHORS file.
23877
23878 * README: Update bug report address.
23879
23880 * bison.simple:
23881 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
23882
23883 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
23884 Add automake stuff.
23885
23886 1998-11-25 Jesse Thilo <jthilo@gnu.org>
23887
23888 * doc/bison.texinfo: Clean up some formatting.
23889
23890 1998-05-05 Richard Stallman <rms@gnu.org>
23891
23892 * doc/bison.texinfo:
23893 Explain better why to make a pure parser.
23894
23895 1998-01-05 Richard Stallman <rms@gnu.org>
23896
23897 * src/files.c (openfiles):
23898 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
23899 find a temporary directory, if possible. Do not unlink files while
23900 they are open.
23901
23902 1997-08-25 Richard Stallman <rms@gnu.org>
23903
23904 * src/reader.c (stack_offset;):
23905 Change some warni to warns.
23906
23907 * src/lex.c (literalchar): Use warns, not warni.
23908
23909 1997-06-28 Richard Stallman <rms@gnu.org>
23910
23911 * src/bison.s1: Add a Bison version comment.
23912
23913 * src/main.c (fatal, warn, berror):
23914 Use program_name.
23915
23916 1997-06-28 Richard Stallman <rms@gnu.org>
23917
23918 * Makefile.in (bison_version): New variable.
23919 (dist): Use that variable.
23920 (bison.s1): Substitute the Bison version into bison.simple.
23921
23922 * bison.simple: Add a Bison version comment.
23923
23924 1997-06-18 Richard Stallman <rms@gnu.org>
23925
23926 * src/main.c (fatal, warn, berror):
23927 Make error messages standard.
23928 (toomany): Improve error message text.
23929
23930 * 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:
23931 new.h renamed to alloc.h.
23932
23933 1997-06-18 Richard Stallman <rms@gnu.org>
23934
23935 * Makefile.in: new.h renamed to alloc.h.
23936
23937 1997-05-24 Richard Stallman <rms@gnu.org>
23938
23939 * src/lex.c (literalchar):
23940 Fix the code for escaping \, " and '.
23941
23942 (lex): Avoid trouble when there are many chars
23943 to discard in a char literal with just several chars in it.
23944
23945 1997-05-17 Richard Stallman <rms@gnu.org>
23946
23947 * src/bison.s1:
23948 Use malloc, if using alloca is troublesome.
23949 (YYSTACK_USE_ALLOCA): New flag macro.
23950 Define it for some systems and compilers.
23951 (YYSTACK_ALLOC): New macro.
23952 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23953 If it was malloc'd, free it.
23954
23955 1997-05-17 Richard Stallman <rms@gnu.org>
23956
23957 * bison.simple:
23958 Use malloc, if using alloca is troublesome.
23959 (YYSTACK_USE_ALLOCA): New flag macro.
23960 Define it for some systems and compilers.
23961 (YYSTACK_ALLOC): New macro.
23962 (yyparse): Use YYSTACK_ALLOC to allocate stack.
23963 If it was malloc'd, free it.
23964
23965 1997-04-23 Richard Stallman <rms@gnu.org>
23966
23967 * src/bison.s1:
23968 (alloca) [__hpux]: Always define as __builtin_alloca.
23969
23970 1997-04-23 Richard Stallman <rms@gnu.org>
23971
23972 * bison.simple:
23973 (alloca) [__hpux]: Always define as __builtin_alloca.
23974
23975 1997-04-22 Richard Stallman <rms@gnu.org>
23976
23977 * src/bison.s1:
23978 [__hpux]: Include alloca.h (right for HPUX 10)
23979 instead of declaring alloca (right for HPUX 9).
23980
23981 * src/bison.s1 (__yy_memcpy):
23982 Declare arg `count' as unsigned int.
23983 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23984
23985 1997-04-22 Richard Stallman <rms@gnu.org>
23986
23987 * bison.simple:
23988 [__hpux]: Include alloca.h (right for HPUX 10)
23989 instead of declaring alloca (right for HPUX 9).
23990
23991 * bison.simple (__yy_memcpy):
23992 Declare arg `count' as unsigned int.
23993 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
23994
23995 1997-01-03 Richard Stallman <rms@gnu.org>
23996
23997 * src/allocate.c: [__STDC__ or _MSC_VER]:
23998 Declare calloc and realloc to return void *.
23999
24000 1997-01-02 Richard Stallman <rms@gnu.org>
24001
24002 * src/system.h:
24003 [_MSC_VER]: Include stdlib.h and process.h.
24004 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
24005
24006 * src/main.c (main): Return FAILURE as a value.
24007 (printable_version): Declare arg as int, not char.
24008
24009 1997-01-02 Richard Stallman <rms@gnu.org>
24010
24011 * Makefile.in (dist):
24012 Explicitly check for symlinks, and copy them.
24013
24014 1996-12-19 Richard Stallman <rms@gnu.org>
24015
24016 * src/files.c:
24017 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
24018
24019 1996-12-18 Paul Eggert <eggert@gnu.org>
24020
24021 * src/bison.s1 (yyparse):
24022 If __GNUC__ and YYPARSE_PARAM are both defined,
24023 declare yyparse to have a void * argument.
24024
24025 1996-12-18 Paul Eggert <eggert@gnu.org>
24026
24027 * bison.simple (yyparse):
24028 If __GNUC__ and YYPARSE_PARAM are both defined,
24029 declare yyparse to have a void * argument.
24030
24031 1996-12-17 Richard Stallman <rms@gnu.org>
24032
24033 * src/reduce.c (nbits): Add some casts.
24034
24035 1996-08-12 Richard Stallman <rms@gnu.org>
24036
24037 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
24038
24039 1996-08-12 Richard Stallman <rms@gnu.org>
24040
24041 * bison.simple: Test _MSDOS as well as _MSDOS_.
24042
24043 1996-07-31 Richard Stallman <rms@gnu.org>
24044
24045 * src/bison.s1:
24046 [__sun && __i386]: Include alloca.h.
24047
24048 1996-07-31 Richard Stallman <rms@gnu.org>
24049
24050 * bison.simple:
24051 [__sun && __i386]: Include alloca.h.
24052
24053 1996-07-30 Richard Stallman <rms@gnu.org>
24054
24055 * src/bison.s1: Comment change.
24056
24057 * src/bison.s1: Test _MSDOS_, not MSDOS.
24058
24059 1996-07-30 Richard Stallman <rms@gnu.org>
24060
24061 * bison.simple: Comment change.
24062
24063 * bison.simple: Test _MSDOS_, not MSDOS.
24064
24065 1996-06-01 Richard Stallman <rms@gnu.org>
24066
24067 * 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:
24068 Insert `_' macro around many string constants.
24069
24070 * src/main.c:
24071 Insert `_' macro around many string constants.
24072
24073 (main): Call setlocale, bindtextdomain and textdomain.
24074
24075 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
24076 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
24077 [ENABLE_NLS]: Include libintl.h.
24078 [ENABLE_NLS] (gettext): Define.
24079 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
24080 (N_, PACKAGE, LOCALEDIR): New macros.
24081
24082 1996-06-01 Richard Stallman <rms@gnu.org>
24083
24084 * POTFILES.in: New file.
24085
24086 * Makefile.in (allocate.o):
24087 Define target explicitly.
24088
24089 * Makefile.in (CFLAGS): Set to @CFLAGS@.
24090 (LDFLAGS): Set to @LDFLAGS@.
24091 (configure): Run autoconf only if preceding `cd' succeeds.
24092 (bison.s1): Redirect output to temporary file then move the
24093 temporary to the target, rather than redirecting directly to bison.s1.
24094 (clean): Remove config.status and config.log.
24095 (distclean): Don't remove config.status here.
24096
24097 1996-05-12 Richard Stallman <rms@gnu.org>
24098
24099 * src/bison.s1:
24100 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
24101
24102 1996-05-12 Richard Stallman <rms@gnu.org>
24103
24104 * bison.simple:
24105 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
24106
24107 1996-05-11 Richard Stallman <rms@gnu.org>
24108
24109 * src/bison.s1 (__yy_memcpy):
24110 Really reorder the args, as was supposedly done on Feb 14 1995.
24111 (yyparse): Calls changed accordingly.
24112
24113 1996-05-11 Richard Stallman <rms@gnu.org>
24114
24115 * Makefile.in (dist): Don't use $(srcdir).
24116
24117 * bison.simple (__yy_memcpy):
24118 Really reorder the args, as was supposedly done on Feb 14 1995.
24119 (yyparse): Calls changed accordingly.
24120
24121 1996-01-27 Richard Stallman <rms@gnu.org>
24122
24123 * src/output.c (output_rule_data):
24124 Test YYERROR_VERBOSE in the conditional
24125 around the definition of ttyname.
24126
24127 1995-12-29 Richard Stallman <rms@gnu.org>
24128
24129 * src/bison.s1:
24130 Fix line numbers in #line commands.
24131
24132 1995-12-29 Richard Stallman <rms@gnu.org>
24133
24134 * bison.simple:
24135 Fix line numbers in #line commands.
24136
24137 1995-12-27 Richard Stallman <rms@gnu.org>
24138
24139 * src/bison.s1 (YYPARSE_PARAM_DECL):
24140 In C++, make it always null.
24141 (YYPARSE_PARAM_ARG): New macro.
24142 (yyparse): Use YYPARSE_PARAM_ARG.
24143
24144 1995-12-27 Richard Stallman <rms@gnu.org>
24145
24146 * bison.simple (YYPARSE_PARAM_DECL):
24147 In C++, make it always null.
24148 (YYPARSE_PARAM_ARG): New macro.
24149 (yyparse): Use YYPARSE_PARAM_ARG.
24150
24151 1995-11-29 Richard Stallman <rms@gnu.org>
24152
24153 * doc/bison.texinfo:
24154 Describe literal string tokens, %raw, %no_lines, %token_table.
24155
24156 1995-11-29 Daniel Hagerty <hag@gnu.org>
24157
24158 * doc/bison.texinfo: Fixed update date
24159
24160 1995-10-16 Richard Stallman <rms@gnu.org>
24161
24162 * src/version.c: Version 1.25.
24163
24164 1995-10-16 Richard Stallman <rms@gnu.org>
24165
24166 * NEWS: *** empty log message ***
24167
24168 1995-10-16 Richard Stallman <rms@gnu.org>
24169
24170 * doc/bison.1, doc/bison.rnh:
24171 Add new options.
24172
24173 1995-10-15 Richard Stallman <rms@gnu.org>
24174
24175 * src/vmsgetargs.c, src/getargs.c:
24176 Added -n, -k, and -raw switches.
24177 (noparserflag, toknumflag, rawtoknumflag): New variables.
24178
24179 * src/symtab.h (SALIAS):
24180 New #define for adding aliases to %token.
24181 (struct bucket): Added `alias' field.
24182
24183 * src/reduce.c (reduce_grammar):
24184 Revise error message.
24185 (print_notices): Remove final `.' from error message.
24186
24187 * src/reader.c (reader_output_yylsp):
24188 New function.
24189 (readgram): Use `#if 0' around code that accepted %command
24190 inside grammar rules: The documentation doesn't allow it,
24191 and it will fail since the %command processors scan for the next %.
24192 (parse_token_decl): Extended the %token
24193 declaration to allow a multi-character symbol as an alias.
24194 (parse_thong_decl): New function.
24195 (read_declarations): Added %thong declarations.
24196 (read_declarations): Handle NOOP to deal with allowing
24197 % declarations as another means to specify the flags.
24198 (readgram): Allow %prec prior to semantics embedded in a rule.
24199 (skip_to_char, read_declarations, copy_definition)
24200 (parse_token_decl, parse_start_decl, parse_type_decl)
24201 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
24202 (get_type_name, copy_guard, copy_action, readgram)
24203 (get_type, packsymbols): Revised most error messages.
24204 Changed `fatal' to `warnxxx' to avoid aborting for error.
24205 Revised and use multiple warnxxx functions to avoid using VARARGS1.
24206 (read_declarations): Improve the error message for
24207 an invalid character. Do not abort.
24208 (read_declarations, copy_guard, copy_action): Use
24209 printable_version to avoid unprintable characters in printed output.
24210 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
24211 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
24212 Allow the type of a non-terminal can be given
24213 more than once, as long as all specifications give the same type.
24214
24215 * src/output.c:
24216 (output_headers, output_trailers, output, output_gram)
24217 (output_rule_data): Implement noparserflag variable.
24218 Implement toknumflag variable.
24219 (output): Call reader_output_yylsp to output LTYPESTR.
24220
24221 * src/main.c (main):
24222 If reader sees an error, don't process the grammar.
24223 (fatals): Updated to not use VARARGS1.
24224 (printable_version, int_to_string, warn, warni, warns, warnss)
24225 (warnsss): New error reporting functions. Avoid abort for error.
24226
24227 * src/lex.h:
24228 Added THONG and NOOP for alias processing.
24229 Added SETOPT for the new code that allows setting options with %flags.
24230
24231 * src/lex.c:
24232 Include getopt.h. Add some extern decls.
24233 (safegetc): New function to deal with EOF gracefully.
24234 (literalchar); new function to deal with reading \ escapes.
24235 (lex): Use literalchar.
24236 (lex): Implemented "..." tokens.
24237 (literalchar, lex, parse_percent_token): Made tokenbuffer
24238 always contain the token. This includes growing the token
24239 buffer while reading an integer.
24240 (parse_percent_token): Replaced if-else statement with percent_table.
24241 (parse_percent_token): Added % declarations as another
24242 way to specify the flags -n, -l, and -r. Also added hooks for
24243 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
24244 major changes to files.c.
24245 (lex) Retain in the incoming stream a character following
24246 an incorrect '/'.
24247 (skip_white_space, lex): Revised most error messages
24248 and changed fatal to warn to avoid aborting.
24249 (percent_table): Added %thong declarations.
24250
24251 * src/gram.h: Comment changes.
24252
24253 * src/files.c (openfiles, open_extra_files, done):
24254 Add faction flag
24255 and actfile file. Handle noparserflag. Both for -n switch.
24256
24257 * src/conflicts.c (resolve_sr_conflict):
24258 Remove use of alloca.
24259
24260 1995-06-01 Jim Meyering <meyering@gnu.org>
24261
24262 * doc/bison.texinfo: *** empty log message ***
24263
24264 1995-05-06 Richard Stallman <rms@gnu.org>
24265
24266 * src/bison.s1: Comment change.
24267
24268 1995-05-06 Richard Stallman <rms@gnu.org>
24269
24270 * bison.simple: Comment change.
24271
24272 1995-05-03 Richard Stallman <rms@gnu.org>
24273
24274 * src/version.c: Version now 1.24.
24275
24276 * src/bison.s1: Change distribution terms.
24277
24278 * src/version.c: Version now 1.23.
24279
24280 1995-05-03 Richard Stallman <rms@gnu.org>
24281
24282 * doc/bison.texinfo:
24283 Rewrite "Conditions for Using Bison".
24284 Update version to 1.24.
24285
24286 1995-05-03 Richard Stallman <rms@gnu.org>
24287
24288 * bison.simple: Change distribution terms.
24289
24290 1995-02-23 Richard Stallman <rms@gnu.org>
24291
24292 * src/files.c: Test __VMS_POSIX as well as VMS.
24293
24294 1995-02-14 Jim Meyering <meyering@gnu.org>
24295
24296 * src/bison.s1 (__yy_memcpy):
24297 Renamed from __yy_bcopy to avoid
24298 confusion. Reverse FROM and TO arguments to be consistent with
24299 those of memcpy.
24300
24301 1995-02-14 Jim Meyering <meyering@gnu.org>
24302
24303 * bison.simple (__yy_memcpy):
24304 Renamed from __yy_bcopy to avoid
24305 confusion. Reverse FROM and TO arguments to be consistent with
24306 those of memcpy.
24307
24308 1994-11-10 David J. MacKenzie <djm@gnu.org>
24309
24310 * NEWS: reformat
24311
24312 * NEWS: New file.
24313
24314 * Makefile.in (DISTFILES): Include NEWS.
24315
24316 * Makefile.in (DISTFILES):
24317 Include install-sh, not install.sh.
24318
24319 * configure.in: Update to Autoconf v2 macro names.
24320
24321 1994-10-05 David J. MacKenzie <djm@gnu.org>
24322
24323 * Makefile.in: fix typo
24324
24325 * Makefile.in (prefix, exec_prefix):
24326 Let configure set them.
24327
24328 1994-09-28 David J. MacKenzie <djm@gnu.org>
24329
24330 * Makefile.in: Set datadir to $(prefix)/share.
24331
24332 1994-09-15 Richard Stallman <rms@gnu.org>
24333
24334 * src/bison.s1:
24335 Update copyright notice and GPL version.
24336
24337 1994-09-15 Richard Stallman <rms@gnu.org>
24338
24339 * bison.simple:
24340 Update copyright notice and GPL version.
24341
24342 1994-07-12 Richard Stallman <rms@gnu.org>
24343
24344 * src/reduce.c, src/reader.c:
24345 entered into RCS
24346
24347 1994-05-05 David J. MacKenzie <djm@gnu.org>
24348
24349 * Makefile.in: entered into RCS
24350
24351 1994-03-26 Richard Stallman <rms@gnu.org>
24352
24353 * src/bison.s1: entered into RCS
24354
24355 1994-03-26 Richard Stallman <rms@gnu.org>
24356
24357 * bison.simple: entered into RCS
24358
24359 1994-03-25 Richard Stallman <rms@gnu.org>
24360
24361 * src/main.c: entered into RCS
24362
24363 1994-03-24 Richard Stallman <rms@gnu.org>
24364
24365 * src/conflicts.c: entered into RCS
24366
24367 1994-01-02 Richard Stallman <rms@gnu.org>
24368
24369 * Makefile.in: *** empty log message ***
24370
24371 1993-11-21 Richard Stallman <rms@gnu.org>
24372
24373 * src/bison.s1: *** empty log message ***
24374
24375 1993-11-21 Richard Stallman <rms@gnu.org>
24376
24377 * doc/bison.texinfo: entered into RCS
24378
24379 * doc/bison.texinfo: *** empty log message ***
24380
24381 1993-11-21 Richard Stallman <rms@gnu.org>
24382
24383 * bison.simple: *** empty log message ***
24384
24385 1993-10-25 David J. MacKenzie <djm@gnu.org>
24386
24387 * doc/bison.texinfo: *** empty log message ***
24388
24389 1993-10-19 Richard Stallman <rms@gnu.org>
24390
24391 * src/bison.s1: *** empty log message ***
24392
24393 1993-10-19 Richard Stallman <rms@gnu.org>
24394
24395 * bison.simple: *** empty log message ***
24396
24397 1993-10-14 Richard Stallman <rms@gnu.org>
24398
24399 * src/bison.s1: *** empty log message ***
24400
24401 1993-10-14 Richard Stallman <rms@gnu.org>
24402
24403 * bison.simple: *** empty log message ***
24404
24405 1993-09-14 David J. MacKenzie <djm@gnu.org>
24406
24407 * doc/bison.texinfo: *** empty log message ***
24408
24409 1993-09-13 Noah Friedman <friedman@gnu.org>
24410
24411 * Makefile.in: *** empty log message ***
24412
24413 1993-09-10 Richard Stallman <rms@gnu.org>
24414
24415 * src/conflicts.c: *** empty log message ***
24416
24417 * src/system.h: entered into RCS
24418
24419 1993-09-10 Richard Stallman <rms@gnu.org>
24420
24421 * doc/bison.1: entered into RCS
24422
24423 1993-09-06 Noah Friedman <friedman@gnu.org>
24424
24425 * src/version.c: entered into RCS
24426
24427 1993-09-06 Noah Friedman <friedman@gnu.org>
24428
24429 * Makefile.in: *** empty log message ***
24430
24431 1993-07-30 David J. MacKenzie <djm@gnu.org>
24432
24433 * Makefile.in: *** empty log message ***
24434
24435 1993-07-24 Richard Stallman <rms@gnu.org>
24436
24437 * src/bison.s1: *** empty log message ***
24438
24439 1993-07-24 Richard Stallman <rms@gnu.org>
24440
24441 * bison.simple: *** empty log message ***
24442
24443 1993-07-08 David J. MacKenzie <djm@gnu.org>
24444
24445 * Makefile.in: *** empty log message ***
24446
24447 1993-07-04 Richard Stallman <rms@gnu.org>
24448
24449 * src/bison.s1: *** empty log message ***
24450
24451 1993-07-04 Richard Stallman <rms@gnu.org>
24452
24453 * bison.simple: *** empty log message ***
24454
24455 1993-06-26 David J. MacKenzie <djm@gnu.org>
24456
24457 * src/getargs.c: entered into RCS
24458
24459 1993-06-26 David J. MacKenzie <djm@gnu.org>
24460
24461 * doc/bison.texinfo: *** empty log message ***
24462
24463 * doc/bison.1: New file.
24464
24465 1993-06-25 Richard Stallman <rms@gnu.org>
24466
24467 * src/getargs.c: New file.
24468
24469 1993-06-16 Richard Stallman <rms@gnu.org>
24470
24471 * src/bison.s1: *** empty log message ***
24472
24473 1993-06-16 Richard Stallman <rms@gnu.org>
24474
24475 * bison.simple: *** empty log message ***
24476
24477 1993-06-03 Richard Stallman <rms@gnu.org>
24478
24479 * src/bison.s1: New file.
24480
24481 1993-06-03 Richard Stallman <rms@gnu.org>
24482
24483 * doc/bison.texinfo: *** empty log message ***
24484
24485 1993-06-03 Richard Stallman <rms@gnu.org>
24486
24487 * bison.simple: New file.
24488
24489 1993-05-19 Richard Stallman <rms@gnu.org>
24490
24491 * doc/bison.texinfo: New file.
24492
24493 1993-05-07 Noah Friedman <friedman@gnu.org>
24494
24495 * Makefile.in: *** empty log message ***
24496
24497 1993-04-28 Noah Friedman <friedman@gnu.org>
24498
24499 * src/reader.c: *** empty log message ***
24500
24501 1993-04-23 Noah Friedman <friedman@gnu.org>
24502
24503 * src/alloc.h: entered into RCS
24504
24505 1993-04-20 David J. MacKenzie <djm@gnu.org>
24506
24507 * src/version.c: *** empty log message ***
24508
24509 * src/files.c, src/allocate.c:
24510 entered into RCS
24511
24512 * src/reader.c: *** empty log message ***
24513
24514 * src/lex.c: entered into RCS
24515
24516 * src/conflicts.c: New file.
24517
24518 * src/symtab.c: entered into RCS
24519
24520 * src/alloc.h: New file.
24521
24522 * src/LR0.c: entered into RCS
24523
24524 1993-04-18 Noah Friedman <friedman@gnu.org>
24525
24526 * src/reader.c: New file.
24527
24528 * src/version.c: *** empty log message ***
24529
24530 1993-04-18 Noah Friedman <friedman@gnu.org>
24531
24532 * Makefile.in: *** empty log message ***
24533
24534 1993-04-17 Noah Friedman <friedman@gnu.org>
24535
24536 * Makefile.in: *** empty log message ***
24537
24538 1993-04-15 Richard Stallman <rms@gnu.org>
24539
24540 * src/main.c, src/files.c:
24541 New file.
24542
24543 1993-04-15 Noah Friedman <friedman@gnu.org>
24544
24545 * configure.in: entered into RCS
24546
24547 * configure.in: *** empty log message ***
24548
24549 * configure.in: New file.
24550
24551 1993-04-14 Richard Stallman <rms@gnu.org>
24552
24553 * Makefile.in: New file.
24554
24555 1993-04-13 Richard Stallman <rms@gnu.org>
24556
24557 * src/version.c: New file.
24558
24559 1993-03-25 Richard Stallman <rms@gnu.org>
24560
24561 * src/output.c: entered into RCS
24562
24563 1992-09-25 Richard Stallman <rms@gnu.org>
24564
24565 * configure.bat: entered into RCS
24566
24567 1992-06-22 Richard Stallman <rms@gnu.org>
24568
24569 * src/vmsgetargs.c: entered into RCS
24570
24571 1992-06-22 Richard Stallman <rms@gnu.org>
24572
24573 * doc/bison.rnh: entered into RCS
24574
24575 1992-04-20 David J. MacKenzie <djm@gnu.org>
24576
24577 * README: entered into RCS
24578
24579 1992-01-22 Richard Stallman <rms@gnu.org>
24580
24581 * src/machine.h: entered into RCS
24582
24583 1991-12-21 Richard Stallman <rms@gnu.org>
24584
24585 * src/lalr.c, src/closure.c:
24586 entered into RCS
24587
24588 1991-12-20 Richard Stallman <rms@gnu.org>
24589
24590 * src/state.h: entered into RCS
24591
24592 1991-12-18 Richard Stallman <rms@gnu.org>
24593
24594 * src/print.c, src/nullable.c, src/derives.c:
24595 entered into RCS
24596
24597 1991-11-03 David J. MacKenzie <djm@gnu.org>
24598
24599 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
24600 entered into RCS
24601
24602 1988-09-09 Richard Stallman <rms@gnu.org>
24603
24604 * src/bison.hairy: entered into RCS
24605
24606 1987-12-16 Richard Stallman <rms@gnu.org>
24607
24608 * REFERENCES: entered into RCS
24609
24610
24611 -----
24612
24613 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
24614 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
24615 2008, 2009 Free Software Foundation, Inc.
24616
24617 Copying and distribution of this file, with or without
24618 modification, are permitted provided the copyright notice and this
24619 notice are preserved.