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scan-gram: avoid portability trap with ctype usage.
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12009-08-27 Eric Blake <ebb9@byu.net>
2
3 scan-gram: avoid portability trap with ctype usage.
4 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
5 Avoid compiler warning.
6
72009-08-27 Joel E. Denny <jdenny@clemson.edu>
8
9 tests: use perl for printing special sequences to files.
10 And skip tests if perl is not available. This is better than
11 playing tricks with shell portability. Suggested by Akim
12 Demaille.
13 * tests/input.at (Bad character literals): Use it here for
14 omitting final newlines.
15 (Bad escapes in literals): Use it here for special characters.
16
172009-08-21 Joel E. Denny <jdenny@clemson.edu>
18
19 Use locale when quoting.
20 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
21 quote rather than implementing quoting here.
22
232009-08-20 Eric Blake <ebb9@byu.net>
24
25 Make previous patch more robust.
26 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
27 argmatch.h.
28 (output_skeleton): Use it.
29 Suggested by Akim Demaille.
30
31 Import latest m4/m4.m4.
32 * m4/m4.m4: Copy from autoconf 2.64.
33 * configure.ac (M4_GNU_OPTION): New define.
34 * src/output.c (output_skeleton): Use it to resolve FIXME.
35 * NEWS: Mention this.
36
372009-08-19 Joel E. Denny <jdenny@clemson.edu>
38
39 Fix complaints about escape sequences.
40 Discussed starting at
41 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
42 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
43 For a \0 and similar escape sequences meaning the null
44 character, report an invalid escape sequence instead of an
45 invalid null character because the latter does not actually
46 appear in the user's input.
47 In all escape sequence complaints, don't escape the initial
48 backslash, and don't quote when the sequence appears at the end
49 of the complaint line unless there's whitespace that quotearg
50 won't escape.
51 Consistently say "invalid" not "unrecognized".
52 * tests/input.at (Bad escapes in literals): New.
53
542009-08-19 Akim Demaille <demaille@gostai.com>
55
56 doc: %initial-action to initialize yylloc.
57 Reported by Bill Allombert.
58 * doc/bison.texinfo: Set fill-column to 76.
59 (Location Type): Document the use of %initial-action to initialize
60 yylloc.
61
622009-08-18 Joel E. Denny <jdenny@clemson.edu>
63
64 maint: update for gnulib's recent update-copyright changes
65 * gnulib: Update.
66 * .x-update-copyright (COPYING): Add as it's no longer implied
67 when .x-update-copyright is present.
68 * cfg.mk (update-copyright-local): Remove, now ignored.
69 (update-copyright): Declare update-b4-copyright as a dependency.
70
712009-08-17 Akim Demaille <demaille@gostai.com>
72
73 build: lower gettext requirements.
74
75 Bison was uselessly requiring the formatstring macros from
76 gettext, which resulted in mo files not being installed on systems
77 that perfectly supported Bison mo files. Lower the requirement.
78 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
79
80 * configure.ac: Require need-ngettext instead of
81 need-formatstring-macros.
82 Reported by Martin Jabocs.
83 Suggested by Bruno Haible.
84 * INSTALL: Restructure.
85 (Internationalization): New.
86
872009-08-14 Joel E. Denny <jdenny@clemson.edu>
88
89 maint: fix use of copyright year intervals.
90 * gnulib: Update.
91 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
92 as now recommended in gnulib/NEWS.
93 * build-aux/update-b4-copyright: Fix.
94 * cfg.mk (update-copyright-env): Configure update-copyright.
95
962009-08-12 Akim Demaille <demaille@gostai.com>
97
98 distcheck: fix.
99
100 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
101
1022009-08-06 Joel E. Denny <jdenny@clemson.edu>
103
104 maint: run "make update-copyright"
105 But first...
106 * .x-update-copyright (^data/m4sugar/): Add, because these
107 files are from Autoconf.
108
1092009-08-06 Joel E. Denny <jdenny@clemson.edu>
110
111 maint: make update-b4-copyright easier to use
112 * build-aux/update-b4-copyright: In warnings, report line
113 numbers rather than character positions.
114 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
115 that update-copyright runs it.
116 * gnulib: Update.
117
1182009-08-05 Joel E. Denny <jdenny@clemson.edu>
119
120 maint: clean up update-b4-copyright code
121 * build-aux/update-b4-copyright: Do not accept 2-digit
122 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
123 Don't accept a `[' in a b4_copyright argument.
124 Format code more consistently.
125 Don't assume b4*copyright never occurs.
126
1272009-08-04 Joel E. Denny <jdenny@clemson.edu>
128
129 maint: automate b4_copyright updates.
130 * Makefile.am (update-b4-copyright): New target rule.
131 * build-aux/Makefile.am (EXTRA_DIST): Add update-b4-copyright.
132 * build-aux/update-b4-copyright: New.
133 * data/yacc.c: Remove stray characters around b4_copyright
134 invocations.
135
1362009-08-04 Joel E. Denny <jdenny@clemson.edu>
137
138 maint: automate annual package-wide copyright-year update.
139 * .x-update-copyright: New.
140 * Makefile.am (EXTRA_DIST): Remove maint.mk.
141 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
142 update-copyright. Remove gnumakefile, which is implied by
143 maintainer-makefile.
144 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
145 * gnulib: Update.
146 * maint.mk: Remove, now copied from gnulib.
147 * examples/extexi: Add missing "(C)" in copyright statement so
148 update-copyright can recognize it.
149 * src/LR0.h: Likewise.
150 * src/print.h: Likewise.
151 * src/print_graph.h: Likewise.
152 * src/gram.c: Add missing comma in copyright statement.
153 * src/gram.h: Likewise.
154
1552009-08-04 Joel E. Denny <jdenny@clemson.edu>
156
157 Fix "make distcheck".
158 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
159 of just calc.stamp.
160
1612009-08-01 Joel E. Denny <jdenny@clemson.edu>
162
163 Pacify "gcc -Wunused" for the input function from Flex.
164 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
165 and later.
166 * src/scan-code.l: Add "%option noinput", which I cannot find in
167 the Flex manual, but which Flex has supported since at least as
168 far back as 2.5.4. However, if any of our developers still use
169 Flex 2.5.4, they'll need to stop configuring with
170 --enable-gcc-warnings because "%option noinput" didn't work
171 correctly until Flex 2.5.6.
172 * src/scan-gram.l: Likewise.
173 * src/scan-skel.l: Likewise.
174
1752009-06-29 Akim Demaille <demaille@gostai.com>
176
177 build: avoid concurrent extraction of calc++.
178 * examples/calc++/Makefile.am (calc.stamp): New.
179 Depend on it to create the sources of calc++ so that concurrent
180 builds don't launch several "extexi" in parallel.
181 Not only this is inefficient, this also builds incorrect sources
182 with several extractions mixed together.
183
1842009-06-25 Akim Demaille <demaille@gostai.com>
185
186 hash: check insertion for memory exhaustion.
187 * src/uniqstr.c (uniqstr_new): New.
188
1892009-06-11 Akim Demaille <demaille@gostai.com>
190
191 hash: check insertion for memory exhaustion.
192 * src/muscle-tab.c (muscle_insert, muscle_grow)
193 * src/state.c (state_hash_insert): Check the return value of
194 hash_insert.
195
1962009-06-10 Akim Demaille <demaille@gostai.com>
197
198 gnulib: update.
199 * gnulib: Update to latest.
200 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
201 * m4/.gitignore: Regen.
202 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
203 Call xalloc_die on hash_insert failures.
204 Requested by the new __warn_unused_result__ attribute of
205 hash_insert.
206
2072009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
208
209 * data/c++.m4: Update copyright year.
210
2112009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
212
213 Handle a trailing `:' in a user-supplied C++ namespace better.
214 * data/c++.m4 (b4_namespace_close): Don't let it be printed
215 among the closing braces here. This fix might make the
216 generated code easier to debug, but otherwise it should be
217 insignificant because a trailing `:' is a C++ error already.
218
2192009-05-11 Akim Demaille <demaille@gostai.com>
220
221 doc: use C++ headers.
222 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
223 headers.
224
2252009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
226
227 Declare %code to be a permanent feature.
228 * NEWS (2.4.2): Here.
229 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
230 experimental.
231 (Decl Summary): Likewise.
232
2332009-04-14 Akim Demaille <demaille@gostai.com>
234
235 doc: minor fixes.
236 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
237 (Table of Symbols): Remove duplicate entry for %debug.
238
2392009-04-06 Eric Blake <ebb9@byu.net>
240
241 Work around autoconf 2.63b bug in testsuite.
242 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
243 autoconf bug related to # in test.
244
2452009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
246
247 Fix options documentation.
248 * build-aux/cross-options.pl: As in --help output, write optional
249 arguments as [=ARG] not =[ARG].
250 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
251
2522008-11-07 Akim Demaille <demaille@gostai.com>
253
254 Fix --help.
255 * src/getargs.c (usage): Fix help string for -W.
256
2572008-11-07 Akim Demaille <demaille@gostai.com>
258
259 Handle more general types of option arguments.
260 * build-aux/cross-options.pl: The argument ends at the first
261 space, not the first non-symbol character.
262 Use @var for each word appearing the argument description.
263
2642009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
265
266 Remove spurious initial empty lines.
267 * data/location.cc: End the @output lines with an @.
268
2692008-11-04 Akim Demaille <demaille@gostai.com>
270
271 Remove spurious initial empty lines.
272 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
273 * data/yacc.c: End the @output lines with an @.
274
2752009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
276
277 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
278 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
279 requirements for a correct m4 are stricter.
280 * m4/m4.m4: Replace with Autoconf 2.63's m4/m4.m4.
281 * configure.ac: Update to use AC_PROG_GNU_M4.
282 Reported by Eric Blake.
283
2842009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
285
286 Help with updating web manual.
287 * HACKING: Incorporate instructions from gnulib/doc/README.
288 * bootstrap.conf (gnulib_modules): Add gendocs.
289
2902009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
291
292 Fix strange %define locations for default values.
293 Reported by Akim Demaille at
294 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
295 and discussed again starting at
296 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
297 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
298 because location information is bogus.
299 Use angle brackets to delimit fake file name because square brackets
300 look like underexpanded m4. Choose a better fake file name.
301 Use negative line numbers.
302 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
303 * src/location.c (location_print): If line for a boundary is negative,
304 only print that boundary's file name.
305 * src/location.h: Document that.
306 * tests/skeletons.at (%define Boolean variables: invalid skeleton
307 defaults): Update output.
308
3092008-11-07 Akim Demaille <demaille@gostai.com>
310
311 Locations without columns for command line arguments.
312 * src/location.c (location_print): Don't display negative columns.
313 * src/location.h: Document this.
314
3152009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
316
317 Add reminder about uploading public key to keys.gnupg.net.
318 * HACKING (Release Procedure): Here.
319
3202009-03-31 Akim Demaille <demaille@gostai.com>
321
322 bootstrap: --help to stdout.
323 * bootstrap (usage): Don't send --help to stderr.
324 Use a here doc instead of a long string.
325
3262009-03-31 Akim Demaille <demaille@gostai.com>
327
328 bootstrap: README-hacking no longer exists
329 * bootstrap (checkout_only_file): Set to HACKING.
330
3312009-03-26 Akim Demaille <demaille@gostai.com>
332
333 doc: merge HACKING and README-hacking.
334 Two files is confusing.
335 Reported by Alexandre Duret-Lutz.
336
337 * README-hacking: Merge into...
338 * HACKING (Working from the repository): here.
339
3402009-03-26 Akim Demaille <demaille@gostai.com>
341
342 doc: update README-hacking.
343 * README-hacking: We now use git and git submodules.
344 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
345
3462009-03-26 Akim Demaille <demaille@gostai.com>
347
348 lalr1.cc: avoid GCC 4.3 warnings.
349 GCC 4.3 now warns about "a || b && c" and asks for explicit
350 parentheses.
351 Reported by Alexandre Duret-Lutz.
352 * data/location.cc: Update copyright years.
353 (Position::operator==): Use parens to make precedence explicit.
354 Compare lines and columns first, as they are more likely to be
355 different, and they are faster to compare.
356
3572009-03-26 Akim Demaille <demaille@gostai.com>
358
359 gnulib: update.
360 * gnulib: Update to latest.
361 * lib/Makefile.am (AM_CPPFLAGS): It is now defined by gnulib, so
362 use +=.
363
3642009-01-08 Akim Demaille <demaille@gostai.com>
365
366 Fix grep portability issues.
367 Grep on Solaris does not support -q.
368 Reported by Summum Bonum.
369
370 * NEWS: Add a stub for 2.4.2.
371 * THANKS: Add Summum Bonum.
372 * tests/atlocal.in (EGREP): New.
373 (CC, CXX, XSLTPROC): Make it possible to override them via
374 envvars.
375 * tests/java.at: Use $EGREP instead of egrep.
376 Use AT_CHECK's ignore instead of grep's -q.
377
3782008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
379
380 Version 2.4.1.
381 * NEWS: Set version and date.
382 * lib/Makefile.am: Update copyright year.
383 * tests/atlocal.in: Update copyright year.
384
3852008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
386
387 Semicolon feature removal is not about future language support.
388 * NEWS: The semicolon feature is no longer active for newer languages,
389 so don't claim that it causes trouble for them.
390
3912008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
392
393 * gnulib: Update submodule to HEAD.
394
3952008-12-09 Akim Demaille <demaille@gostai.com>
396
397 Update data/README.
398 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
399
4002008-12-05 Eric Blake <ebb9@byu.net>
401
402 Build testsuite with newer autoconf.
403 * tests/output.at (m4_expand): Don't override in newer autoconf,
404 where the underlying implementation changed.
405 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
406 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
407 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
408 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
409 since some of them contain unbalanced ')'.
410
4112008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
412
413 * NEWS: Clarify a little.
414
4152008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
416
417 * NEWS: Update for recent changes.
418
4192008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
420
421 Fix unexpanded macros in GLR defines file.
422 Reported by Csaba Raduly at
423 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
424 * THANKS (Csaba Raduly): Add.
425 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
426 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
427 lexer in a separate module that includes the defines file.
428 (AT_CHECK_CALC): Use AT_FULL_COMPILE and request compilation of lexer
429 source.
430 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
431 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
432 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
433 (AT_DATA_SOURCE_PROLOGUE): New.
434 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
435 (AT_DATA_SOURCE): New.
436 (AT_FULL_COMPILE): New, copied from master branch and extended to
437 support an additional source file.
438
4392008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
440
441 Don't let maintainer-*-check targets force a version update.
442 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
443 handled.
444
4452008-11-17 Di-an Jan <dianj@freeshell.org>
446
447 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
448 Align menus. Adjust word wrapping. Use node names for menu names.
449 (Examples): Don't abbreviate node names.
450 (LocalWords): Remove abbreviations.
451 (Copying): Make description a sentence.
452 (Java Action Features): Remove period to match the rest of menu.
453
4542008-11-11 Paolo Bonzini <bonzini@gnu.org>
455
456 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
457 * configure.ac: Adjust usage.
458 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
459 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
460 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
461
4622008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
463
464 Don't add a semicolon to actions for %skeleton or %language.
465 It breaks Java test cases as reported by Akim Demaille.
466 * src/scan-code.l: Implement.
467
4682008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
469
470 Clean up %skeleton and %language priority implementation.
471 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
472 remove static qualifier because others will soon need to see it.
473 (language_prio): Likewise.
474 (getargs): Use command_line_prio rather than 0.
475 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
476 enum fields.
477 (skeleton_prio): Extern it.
478 (language_prio): Extern it.
479 * src/parse-gram.y: Use grammar_prio rather than 1.
480
4812008-11-04 Akim Demaille <demaille@gostai.com>
482
483 * NEWS: Mention the trailing semicolon in action.
484
4852008-11-04 Akim Demaille <demaille@gostai.com>
486
487 Reformat NEWS.
488 * NEWS: Use more outline-mode markup.
489 Suggested by Jim Meyering.
490
4912008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
492
493 Fix user actions without a trailing semicolon.
494 Reported by Sergei Steshenko at
495 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
496 * THANKS (Sergei Steshenko): Add.
497 * src/scan-code.l (SC_RULE_ACTION): Fix it.
498 * tests/regression.at (Fix user actions without a trailing semicolon):
499 New test case.
500
5012008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
502
503 Initiate further development.
504 * NEWS: Create an empty section for new entries.
505 * gnulib: Update submodule to HEAD.
506
5072008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
508
509 * NEWS: Version 2.4.
510
5112008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
512
513 Prepare for next release.
514 * NEWS: Briefly mention changes since 2.3b.
515 * README: Say GNU m4 1.4.6, which we've been requiring in release
516 announcements already, not 1.4.3, which breaks the build.
517
5182008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
519
520 Say %language is experimental.
521 We're thinking of extending it's effect on output file naming. See the
522 thread at
523 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
524 * NEWS: Say it's experimental.
525 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
526 recommend it over %skeleton for now.
527 (Bison Options): Likewise.
528 (C++ Bison Interface): Use %skeleton not %language.
529 (Calc++ Parser): Use %skeleton not %language.
530 * src/getargs.c (usage): Say it's experimental.
531
5322008-11-01 Di-an Jan <dianj@freeshell.org>
533 Paolo Bonzini <bonzini@gnu.org>
534
535 Support all Java parser class modifiers.
536 * data/java.m4 (b4_percent_define_get3): New.
537 (b4_final_if, b4_strictfp_if): New.
538 * data/lalr1.java (final, strictfp, extends, implements): Support.
539 * doc/bison.texinfo (final, strictfp, extends, implements): Add
540 documentation.
541 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
542 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
543 (AT_CHECK_JAVA_GREP): New.
544 (Java parser class modifiers): New test.
545 (Java parser class extends and implements): New test.
546
547 Model exception propagation better with throws and lex_throws.
548 * data/java.m4 (b4_list2): New.
549 (throws): Change default.
550 * data/lalr1.java (yyaction): Add throws.
551 (parse): Add lex_throws in addition to throws.
552 * doc/bison.texinfo (throws, lex_throws): Add documentation.
553 * tests/java.at (Java throws specifications): New test.
554
555 Improve documentation for Java parsers.
556 * doc/bison.texinfo (Java Parsers): Add subsections.
557 Don't quote first argument of %define.
558 (Java Bison Interface): Document output files. Move documentation
559 of parser class and merge into Java Parser Interface. Document
560 features that error out. Document directives with no effect.
561 Move note about Javadoc higher.
562 (Java Semantic Values): Explicitly mention stype.
563 Document that generic types cannot be used.
564 (Java Location Values): Use @deftypeivar. Document constructors.
565 Correct return value for toString.
566 (Java Parser Interface): List undocumented constants/fields.
567 Move documentation of fields added by %parse-param closer to list
568 of members. Document that token names are added as fields.
569 Document constructors accurately. Remove error method.
570 (Java Scanner Interface): Move note on %pure-parser to Java Bison
571 Interface. Describe %code lexer and yylex accutately.
572 Remove documentation that does not match the code.
573 (Java Action Features): New.
574 (Java Differences): Add reference. Add item on semantic values.
575 Add note about @{ ... @}. Clarify %% epilogue placement.
576 (Java Declarations Summary): New.
577
578 Fix Java skeleton.
579 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
580 (b4_remove_comma): Quote test argument.
581 (b4_identification): Remove "bison" field.
582 * tests/java.at (Java parser class and package names): New test.
583 (Java %parse-param and %lex-param): New test.
584 (Java stype, position_class and location_class): New test.
585
5862008-10-31 Di-an Jan <dianj@freeshell.org>
587
588 * data/lalr1.jave: Update copyright years.
589 (YYParser): Correct name of "generated from" file in Javadoc:
590 use b4_file_name instead of @ofile@.
591 (Location constructor): Correct Javadoc parameter name.
592 (yylloc): Add missing opening m4 quote after b4_location_if.
593 This removes a stray [ in the Javadoc of Lexer.getStartPos.
594 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
595 (YYParser constructor): Correct Javadoc parameter name.
596
5972008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
598
599 Always put auxiliary code files in the same dir as other output files.
600 * src/files.c (compute_file_name_parts): When the user specifies
601 --output but not --file-prefix, extract the directory prefix from the
602 file prefix not from the grammar file name. This affects the location
603 of files like location.hh generated by the C++ skeleton. The includes
604 in the other output files require this fix.
605 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
606 for expected output files.
607 (Output files): Add a test for the above.
608
6092008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
610
611 * gnulib: Update submodule to HEAD.
612
6132008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
614
615 Update copyright year.
616 * src/files.c: Here.
617
6182008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
619
620 Don't overwrite the input file.
621 * src/files.c (output_file_name_check): Fatal error if using input file
622 for output.
623 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
624 argument.
625 (Conflicting output files): Add test.
626
6272008-10-28 Akim Demaille <demaille@gostai.com>
628
629 Space changes.
630 * data/lalr1.cc: Formatting changes.
631
6322008-10-28 Akim Demaille <demaille@gostai.com>
633
634 Don't define debugging functions when !YYDEBUG.
635 * data/lalr1.cc (debug_stream, set_debug_stream)
636 (debug_level_type, debug_level, set_debug_level): Don't
637 declare them when YYDEBUG is not defined.
638 The implementation are already YYDEBUG-aware.
639
6402008-10-28 Akim Demaille <demaille@gostai.com>
641
642 Prefer "continue" for empty loop bodies.
643 * etc/bench.pl.in: Use "continue" instead of {}.
644
6452008-10-28 Akim Demaille <demaille@gostai.com>
646
647 Space and comments changes.
648 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
649 * data/c.m4, data/lalr1.cc: Space changes.
650
6512008-10-28 Akim Demaille <demaille@gostai.com>
652
653 Make gnulib a submodule.
654 * gnulib: New.
655 * .gitmodules (gnulib): New.
656
6572008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
658
659 Fix yyerror_range for user-defined location type in C++. Reported by
660 Georg Sauthoff at
661 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
662 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
663 * THANKS (Georg Sauthoff): Add.
664
6652008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
666
667 Update several administrative files mainly to facilitate releasing.
668 * HACKING (Administrivia): Make the git-merge-changelog notes more
669 helpful.
670 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
671 (Release Procedure): Update for git and add numerous details that were
672 previously missing.
673 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
674 * maint.mk (announcement): Don't list bison as a bootstrap tool so
675 that announcements don't claim we bootstrapped with whatever bison
676 happened to be in PATH. Add flex as a bootstrap tool.
677 * Makefile.maint: Remove, previously replaced by maint.mk.
678 * Makefile.cfg: Remove, and migrate settings to...
679 * cfg.mk: ... here for the sake of `make announcement'.
680 * bootstrap.conf (gnulib_modules): Add announce-gen.
681 * README: Say GNU Bison instead of just Bison. Suggested by Karl
682 Berry.
683
6842008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
685
686 Small but important bugfixes for the Java skeleton.
687 * data/lalr1.java (yyerror): Change Location to b4_location_type.
688 (yy_symbol_print): Call toString on yyvaluep.
689
6902008-08-29 Akim Demaille <demaille@gostai.com>
691
692 Clarify UPDATED use.
693 * doc/bison.texinfo: It refers to the last edition of this file,
694 not to the release date of Bison.
695 Reported by Joel E. Denny.
696
6972008-08-29 Akim Demaille <demaille@gostai.com>
698
699 * README: Update FAQ pointer.
700 Reported by Joel E. Denny.
701
7022008-08-27 Eric Blake <ebb9@byu.net>
703
704 Resync m4sugar from autoconf.
705 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
706 (m4_init): Adjust to latest m4.git changes.
707 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
708 effects.
709 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
710 (_m4_list_cmp): Reduce side effects.
711
7122008-08-27 Akim Demaille <demaille@gostai.com>
713
714 Check yyerrok in calc.at.
715 * tests/calc.at (calc.y): Use yyerrok on "( error )".
716 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
717 expected.
718
7192008-08-27 Akim Demaille <demaille@gostai.com>
720
721 Support yyerrok in lalr1.cc.
722 YYBACKUP is still to import back into lalr1.cc.
723 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
724
7252008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
726
727 For maintainer-check*, don't recompile for a $(VERSION) update.
728 * cfg.mk: New file.
729 (_is-dist-target): Override the one in GNUmakefile.
730 * Makefile.am (EXTRA_DIST): Add cfg.mk.
731
7322008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
733
734 Update for recent change to gnulib.
735 * src/parse-gram.y: Don't include strverscmp.h. It comes from
736 string.h now.
737
7382008-08-15 Eric Blake <ebb9@byu.net>
739
740 Remaining m4sugar merge from autoconf.
741 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
742 * data/m4sugar/foreach.m4: New file, copied from autoconf.
743 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
744 * src/output.c (output_skeleton): Tell m4 how to find it.
745
746 Partial m4sugar merge from autoconf: m4_map.
747 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
748 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
749 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
750 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
751 for empty list.
752 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
753 Likewise.
754 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
755 declares it.
756
7572008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
758
759 Keep .version and PACKAGE_VERSION in sync.
760 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
761 dependency, and add comments justifying this in more detail. Discussed
762 starting at
763 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
764
7652008-08-06 Eric Blake <ebb9@byu.net>
766
767 Partial m4sugar merge from autoconf: m4_shiftn.
768 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
769 (m4_shift2, m4_shift3): New macros.
770 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
771 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
772 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
773 * data/java.m4 (b4_remove_comma): Likewise.
774
775 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
776 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
777 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
778 (m4_init): Consolidate wrapped text into single m4_wrap.
779 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
780 in wrapped text.
781
7822008-08-05 Eric Blake <ebb9@byu.net>
783
784 Partial m4sugar merge from autoconf: builtins, version.m4.
785 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
786 (m4_prepend): Remove, as it is unused and inherently quadratic,
787 whereas m4_append is linear in newer m4.
788 (m4_mkstemp): New builtin.
789 (m4_symbols): Make rename conditional.
790 (m4_version_prereq): Ensure fatal error if used in bison, which
791 intentionally lacks version.m4.
792
793 Fix comments in m4sugar.
794 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
795
7962008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
797
798 Update for recent .gitignore fix in Gnulib.
799 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
800 anchored .gitignore entries.
801
8022008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
803
804 Set gnu or gnits strictness.
805 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
806 development and gnits strictness for releases. Based on Eric Blake's
807 suggestion at
808 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
809
8102008-07-31 Paolo Bonzini <bonzini@gnu.org>
811
812 * NEWS: Clarify documentation of %language.
813
8142008-07-31 Paolo Bonzini <bonzini@gnu.org>
815
816 Support usage of git-merge-changelog.
817 * .gitattributes: New.
818 * HACKING: Document usage of git-merge-changelog.
819 * bootstrap: Install git-merge-changelog entries in .git/config
820 if appropriate.
821
8222008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
823
824 Remove remaining dependence on CVS Id keyword.
825 * ChangeLog: For the sake of people still using CVS, don't use dollars
826 when mentioning Id.
827 * data/xslt/bison.xsl: Remove Id from header comments, where it was
828 unusual anyway.
829 * data/xslt/xml2dot.xsl: Likewise.
830 * data/xslt/xml2text.xsl: Likewise.
831 * data/xslt/xml2xhtml.xsl: Likewise.
832 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
833 * doc/Makefile.am (neutralize): Remove, no longer needed.
834 (.x.1): Don't use neutralize.
835 (edit): Don't substitute for ID.
836 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
837
8382008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
839
840 Fix dependence on computed configure variables.
841 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
842 $(top_srcdir)/configure.ac so that changes to computed variables, such
843 as PACKAGE_VERSION, are seen.
844 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
845
8462008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
847
848 Update copyright dates for recent changes.
849 * Makefile.am: Here.
850 * src/Makefile.am: Here.
851 * src/reduce.c: Here.
852 * tests/reduce.at: Here.
853
8542008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
855
856 Use git-version-gen for version names between releases.
857 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
858 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
859 * .prev-version: New.
860 * .version.in: Remove.
861 * ChangeLog: Remove the Id previously used for capturing the CVS
862 revision.
863 * GNUmakefile: Remove, now copied from Gnulib.
864 * Makefile.am: Add code suggested by comments in
865 build-aux/git-version-gen.
866 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
867 .prev-version, and .version.
868 * NEWS (2.3b+): Rename to...
869 (?.?): ... this because we're dropping the "+" version naming scheme,
870 but, in general, we still can't be sure of our next release name.
871 * bootstrap: Add a quick hack to remove from .gitignore the
872 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
873 entry. This should really be fixed in gnulib instead.
874 * bootstrap.conf (gnulib_modules): Add gnumakefile.
875 * configure.ac (AC_INIT): Set version name by invoking
876 build-aux/git-version-gen.
877 (AC_CONFIG_FILES): Remove .version, now generated by
878 build-aux/git-version-gen.
879 * maint.mk: New, copied from coreutils.
880 * doc/.cvsignore (bison.1): Add.
881 * doc/.gitignore (/bison.1): Add.
882 * doc/bison.1: Remove, generated.
883 * src/.cvsignore (revision.c): Remove.
884 * src/.gitignore (/revision.c): Remove.
885 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
886 (BUILT_SOURCES): Remove revision.c.
887 (revision.c): Remove.
888 * src/getargs.c (version): Don't print revision after the VERSION.
889 * src/revision.h: Remove.
890
8912008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
892
893 Fix untranslatable composition of sentences. Reported by Goran
894 Uddeborg at
895 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
896 * THANKS (Goran Uddeborg): Add.
897 * src/reduce.c (reduce_print): Report the number of nonterminals and
898 rules useless in the grammar in separate sentences.
899 * tests/reduce.at (Useless Rules): Update output.
900 (Reduced Automaton): Likewise.
901 (Underivable Rules): Likewise.
902 (Empty Language): Likewise.
903
9042008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
905
906 Fix some .gitignore and .cvsignore problems.
907 * bootstrap (insert_sorted_if_absent): Replace all uses with...
908 (insert_vc_ignore): ... this new function, which prepends `/' to all
909 .gitignore entries before passing them to insert_sorted_if_absent.
910 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
911 .cvsignore files are maintained even though Bison developers run
912 bootstrap while using Git.
913 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
914 unneeded by Bison.
915 (gnulib): Add.
916 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
917 unneeded. Reported by Eric Blake.
918 * lib/.gitignore (/*~): Add.
919 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
920 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
921 Blake.
922 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
923
9242008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
925
926 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
927 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
928 * bootstrap.conf (gnulib_modules): Add unsetenv.
929 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
930 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
931 (/setenv.m4): Add.
932 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
933 the first argument because it may become position-dependent, and unset
934 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
935 Add comments explaining these issues in more detail.
936
9372008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
938
939 Add .gitignore everywhere based on .cvsignore.
940 * .gitignore: New.
941 * build-aux/.gitignore: New.
942 * data/.gitignore: New.
943 * doc/.gitignore: New.
944 * etc/.gitignore: New.
945 * examples/.gitignore: New.
946 * examples/calc++/.gitignore: New.
947 * lib/.gitignore: New.
948 * m4/.gitignore: New.
949 * po/.gitignore: New.
950 * runtime-po/.gitignore: New.
951 * src/.gitignore: New.
952 * tests/.gitignore: New.
953
9542008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
955
956 * NEWS (2.3b+): New section, empty for now.
957 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
958
9592008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
960
961 * NEWS (2.3b): Update release date since there has been a delay in
962 getting the announcements and tarballs out.
963
9642008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
965
966 * NEWS: Version 2.3b.
967 * configure.ac (AC_INIT): Likewise.
968 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
969
9702008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
971
972 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
973 been doing it for years.
974 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
975 (Release Procedure): Add FIXME about make alpha being unmaintained.
976
9772008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
978
979 * data/yacc.c: Reformat m4 a little for readability.
980 * src/lalr.c (build_relations): Correct comment.
981
9822008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
983
984 DJGPP specific issue.
985 * djgpp/config.sed: Fixes required to run configure scripts generated
986 by autoconf 2.62.
987
9882008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
989
990 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
991 coordinator@translationproject.org.
992
9932008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
994
995 * THANKS: Add Eric Blake.
996
9972008-04-23 Eric Blake <ebb9@byu.net>
998
999 Revert prior patch, by working around autoconf regression.
1000 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
1001 ("Output file name: ("): Uncomment test.
1002 ("Output file name: )"): Likewise.
1003 Based on an idea from Noah Misch.
1004
10052008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1006
1007 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
1008 2.61. Reported by Juan Manuel Guerrero at
1009 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
1010 * tests/output.at ("Output file name: ("): Comment out test case for
1011 now.
1012 ("Output file name: )"): Likewise.
1013
10142008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1015
1016 * GNUmakefile: Update git-version-gen invocation so make dist
1017 succeeds.
1018
10192008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1020
1021 Update to the current gnulib CVS repository, and fix trigraph handling
1022 in Bison.
1023 * bootstrap: Update gnulib CVS repository URL.
1024 (symlink_to_dir): Encapsulate the code that guarantees the destination
1025 directory exists into...
1026 (check_dst_dir): ... this new function, and...
1027 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
1028 fail when copying files into lib/uniwidth/.
1029 * src/output.c (prepare_symbols): When writing yytname muscles, where
1030 symbol names will be encoded in C-string literals, tell quotearg to
1031 escape trigraphs. This used to be the default in gnulib.
1032 * tests/regression.at (Token definitions): Because of the change in
1033 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
1034 escapes trigraphs in symbol names. Thus, yytname no longer has
1035 trigraphs unnecessarily doubly escaped. Update test case output.
1036 Extend test case to be sure Bison's own error messages will no longer
1037 have trigraphs in symbol names unnecessarily escaped once.
1038
10392008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
1040
1041 Fix make dist infinite loop reported by Juan Manuel Guerrero at
1042 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
1043 * .cvsignore: Add .version.
1044 * .version.in: New.
1045 * bootstrap.conf (gnulib_modules): Add git-version-gen.
1046 * configure.ac (AC_CONFIG_FILES): Add .version.
1047 * build-aux/.cvsignore: Add git-version-gen.
1048
10492008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
1050
1051 * NEWS (2.3a+): Mention that -g now takes an argument.
1052 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
1053 consistency. Update the -g and -x entries now that they take
1054 arguments. Use brackets to indicate optional arguments.
1055 * src/getargs.c (usage): Explain the relationship between arguments of
1056 long and short options more completely. Document --defines and -d
1057 separately since the former takes an argument but, for POSIX Yacc, the
1058 latter does not.
1059 (short_options): Let -W take an optional argument like --warnings.
1060 (getargs): Sort cases.
1061
10622008-02-28 Akim Demaille <demaille@gostai.com>
1063
1064 * doc/bison.texinfo: Fix a few typos.
1065
10662008-02-28 Akim Demaille <akim@epita.fr>
1067
1068 * doc/bison.texinfo (Bison Options): Document -W.
1069 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
1070
10712008-02-28 Akim Demaille <akim@epita.fr>
1072
1073 * src/getargs.c (short_options): Split and sort for readability.
1074 -g and -x take optional arguments, just like their long options.
1075 * build-aux/cross-options.pl: Use /x to make the regexp easier to
1076 understand.
1077 Fix the handling of $opt which resulted in all the argument to be
1078 considered as optional.
1079
10802008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
1081
1082 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
1083 say its interface is experimental.
1084 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
1085 Java.
1086 (Bison Options): In the -L and --language entry, mention Java.
1087 (Java Bison Interface): Say the interface is experimental.
1088 * src/getargs.c (usage): Mention -L and --language.
1089
1090 * NEWS (2.3a+): Say the push parsing interface is experimental.
1091 * doc/bison.texinfo (Push Decl): Likewise.
1092 (Decl Summary): Likewise in the "%define api.push_pull" entry.
1093 (Push Parser Function): Likewise.
1094 (Pull Parser Function): Likewise.
1095 (Parser Create Function): Likewise.
1096 (Parser Delete Function): Likewise.
1097 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
1098 yypull_parse, and yypush_parse entries.
1099
1100 * NEWS (2.3a+): Mention XML support, and say the schema is
1101 experimental.
1102 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
1103 * src/getargs.c (usage): Say the XML schema is experimental.
1104
1105 * NEWS (2.3a+): Say option instead of flag.
1106
11072008-02-21 Wojciech Polak <polak@gnu.org>
1108
1109 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
1110 text.
1111
11122008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
1113
1114 Fix impure push parser compile error reported by Bob Rossi at
1115 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
1116 * data/yacc.c: Clean up whitespace in the output a little.
1117 (yypstate_allocated): Define for impure push parsers regardless of
1118 whether the pull interface is also requested.
1119 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
1120 check impure push parsers without the pull interface.
1121
1122 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
1123 yyerror takes arguments specified by %parse-param while yypstate_new
1124 does not.
1125 * doc/bison.texinfo (Parser Create Function): Document that
1126 yypstate_new returns 0 for multiple impure parser instances.
1127 * tests/push.at (Push Parsing: Multiple impure instances): Update
1128 expected stderr output.
1129
11302008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
1131
1132 * runtime-po/POTFILES.in (push.c): Remove.
1133
11342008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
1135
1136 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
1137 * data/push.c: Rename to...
1138 * data/yacc.c: ... this, overwriting it.
1139 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
1140 `%push-pull-parser' -> `%define api.push_pull "both"'.
1141 Remove old yacc.c tests, and update push.c tests to yacc.c.
1142
11432008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
1144
1145 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
1146 `"%code top" blocks' instead of `%code "top" blocks'.
1147 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
1148 Clean up whitespace in the output a little.
1149
11502008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
1151
1152 Fix documentation problems reported by Tim Josling at
1153 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
1154 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
1155 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
1156 integers. Explain the effect of literal string aliases on error
1157 messages. Copy token 0 documentation from the C++ skeleton
1158 documentation.
1159
11602008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
1161
1162 Accept a token number in a %left, %right, or %nonassoc for POSIX
1163 conformance. Reported by Tim Josling at
1164 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
1165 * NEWS (2.3a+): Mention.
1166 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
1167 and code numbers are treated by precedence declarations.
1168 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
1169 of symbols.1.
1170 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
1171 of symbol.
1172 (symbol.prec): New, just like symbol but allows INT.
1173 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
1174 longer holds.
1175 * tests/regression.at (Token number in precedence declaration): New
1176 test case.
1177
11782008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
1179
1180 DJGPP specific issues.
1181 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
1182 be changed. Copyright timestamp adjusted.
1183 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
1184 be changed. Copyright timestamp adjusted.
1185 * djgpp/config.site: Copyright timestamp adjusted.
1186 * djgpp/config_h.sed: Copyright timestamp adjusted.
1187 * djgpp/djunpack.bat: Copyright timestamp adjusted.
1188 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
1189 filename translation list.
1190 * djgpp/subpipe.c (init_subpipe): Check the environment variables
1191 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
1192 files shall be created. Before trying to use the temp dir where the
1193 environment variable points to check that the dir really exists. If
1194 not default to the cwd as temp dir. Copyright timestamp adjusted.
1195 * djgpp/subpipe.h: Copyright timestamp adjusted.
1196 * djgpp/testsuite.sed: Copyright timestamp adjusted.
1197
11982008-01-30 Paul Eggert <eggert@cs.ucla.edu>
1199
1200 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
1201
12022008-01-09 Paul Eggert <eggert@cs.ucla.edu>
1203
1204 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
1205 Problem reported by Claudio Saavedra in
1206 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
1207
12082008-01-05 Wojciech Polak <polak@gnu.org>
1209
1210 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
1211 document's title with the input grammar file name.
1212
12132007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
1214
1215 Automate regression testing of the XML/XSLT implementation. Discussed
1216 starting at
1217 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
1218 * configure.ac (XSLTPROC): New substitution.
1219 * Makefile.am (maintainer-xml-check): New phony target invoking...
1220 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
1221 invoking make maintainer-check with BISON_TEST_XML=1.
1222 * tests/atlocal.in (XSLTPROC): New.
1223 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
1224 not to report reachable memory when Bison is expected to have a
1225 non-zero exit status and (2) to compare XML/XSLT output with --graph
1226 and --report=all output for every working grammar when
1227 BISON_TEST_XML=1.
1228 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
1229 (AT_BISON_CHECK_XML): New.
1230 (AT_QUELL_VALGRIND): New.
1231 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
1232 (AT_CHECK): ... don't redefine this since this was the old way to
1233 quell Valgrind.
1234 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
1235 AT_BISON_CHECK invocations.
1236 * tests/c++.at: Likewise.
1237 * tests/calc.at: Likewise.
1238 * tests/conflicts.at: Likewise.
1239 * tests/cxx-type.at: Likewise.
1240 * tests/existing.at: Likewise.
1241 * tests/glr-regression.at: Likewise.
1242 * tests/headers.at: Likewise.
1243 * tests/input.at: Likewise.
1244 * tests/java.at: Likewise.
1245 * tests/output.at: Likewise.
1246 * tests/push.at: Likewise.
1247 * tests/reduce.at: Likewise.
1248 * tests/regression.at: Likewise.
1249 * tests/sets.at: Likewise.
1250 * tests/skeletons.at: Likewise.
1251 * tests/synclines.at: Likewise.
1252 * tests/torture.at: Likewise.
1253 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
1254 tends to hang xsltproc.
1255 (Big horizontal): Likewise.
1256
12572007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
1258
1259 In XML output, remove redundant class attribute on symbol element.
1260 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
1261 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
1262 look up a symbol to determine whether it's a nonterminal or terminal.
1263 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
1264 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
1265
1266 Add prec/assoc information to XML output.
1267 * src/gram.c (grammar_rules_print_xml): For each rule that has a
1268 %prec, add a percent_prec attribute.
1269 * src/print-xml.c (print_grammar): For each terminal that has a
1270 precedence or associativity, add a prec or assoc attribute.
1271 (xml_indent): New.
1272 (xml_puts): Use xml_indent.
1273 (xml_printf): Use xml_indent.
1274 * src/print-xml.h (xml_indent): Prototype.
1275
1276 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
1277 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
1278
12792007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
1280
1281 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
1282 (bison:ruleByNumber): ... this for clarity.
1283 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
1284 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
1285 (xsl:template match="reduction"): Update.
1286 (xsl:template match="item"): Update.
1287 (xsl:template match="reduction"): Update.
1288
1289 In the XML output, don't print the list of rules where symbols appear.
1290 Compute it in XSLT instead. Discussed at
1291 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
1292 * data/xslt/bison.xsl (bison:ruleByLhs): New.
1293 (bison:ruleByRhs): New.
1294 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
1295 bison:ruleByRhs.
1296 (xsl:template match="terminal/rule"): Remove.
1297 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
1298 bison:ruleByRhs.
1299 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
1300 Remove.
1301 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
1302 bison:ruleByRhs and mode="number-link" for rule template.
1303 (xsl:template match="terminal/rule"): Remove.
1304 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
1305 bison:ruleByRhs and mode="number-link" for rule template.
1306 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
1307 Rewrite as...
1308 (xsl:template match="rule" mode="number-link"): ... this.
1309 * src/print-xml.c (print_grammar): Don't print the list of rules.
1310
13112007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
1312
1313 Don't let --report affect XML output; always print all information.
1314 Discussed at
1315 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
1316 * src/conflicts.c (log_resolution): Implement.
1317 * src/print-xml.c (print_core): Implement.
1318 (print_state): Implement.
1319 (print_xml): Implement.
1320
1321 * NEWS (2.3a+): Fix quotes.
1322 * src/parse-gram.y (prologue_declaration): For consistency with -v,
1323 don't let %verbose clear the list specified by --report.
1324
13252007-11-26 Akim Demaille <akim@epita.fr>
1326
1327 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
1328
13292007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
1330
1331 In the XML output, list useless and unused symbols and rules with the
1332 useful ones and add a "usefulness" attribute. Discussed starting at
1333 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
1334 * src/gram.c (grammar_rules_partial_print_xml): Remove.
1335 (grammar_rules_print_xml): Print all rules instead of just those
1336 useful in the grammar, and add a "usefulness" attribute.
1337 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
1338 * src/print-xml.c (print_rules_useless_in_parser): Remove.
1339 (print_grammar): Print all nonterminals instead of just useful ones,
1340 and add a "usefulness" attribute to nonterminals and terminals.
1341 (print_xml): Don't print a separate "reductions" or
1342 "rules-useless-in-parser" element.
1343 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
1344 (reduce_xml): Remove.
1345 (reduce_token_unused_in_grammar): New.
1346 (reduce_nonterminal_useless_in_grammar): New.
1347 * src/reduce.h (reduce_xml): Remove prototype.
1348 (reduce_token_unused_in_grammar): Add prototype.
1349 (reduce_nonterminal_useless_in_grammar): Add prototype.
1350 * data/xslt/xml2text.xsl: Update for XML changes.
1351 * data/xslt/xml2xhtml.xsl: Update for XML changes.
1352 * tests/reduce.at (Useless Terminals): Update output.
1353 (Useless Rules): Update output.
1354 (Reduced Automaton): Update output.
1355
1356 Say "Terminals unused in grammar" instead of "Unused terminals".
1357 * NEWS (2.3a+): Update.
1358 * doc/bison.texinfo (Understanding): Update example output.
1359 * src/reduce.c (reduce_output): Implement.
1360 * data/xslt/xml2text.xsl: Implement.
1361 * data/xslt/xml2xhtml.xsl: Implement.
1362
13632007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
1364
1365 Accept --report-file=FILE to override the default `.output' filename.
1366 * NEWS (2.3a+): Mention.
1367 * doc/bison.texinfo (Bison Options): Add an entry.
1368 * src/files.c (compute_output_file_names): Don't override
1369 spec_verbose_file if already set.
1370 * src/getargs.c (usage): Document --report-file.
1371 (REPORT_FILE_OPTION): New anonymous enum member.
1372 (long_options): Add entry for it.
1373 (getargs): Add case for it setting spec_verbose_file.
1374
1375 * build-aux/cross-options.pl: Don't record a short option just because
1376 there's an arg.
1377 * doc/.cvsignore: Add yacc.1.
1378
13792007-11-14 Akim Demaille <akim@epita.fr>
1380
1381 * doc/yacc.1.in: New.
1382 * configure.ac, doc/Makefile.am: Adjust.
1383 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
1384 config.h symbol.
1385 Use AC_SUBST for assignments too.
1386 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
1387
13882007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
1389
1390 * src/gram.c: Remove comments that duplicate comments in gram.h.
1391
1392 When reporting useless rules and nonterminals, say "useless in grammar"
1393 instead of "useless", and say "useless in parser" instead of "never
1394 reduced". Discussed starting at
1395 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
1396 * NEWS (2.3a+): Mention this change.
1397 * data/xslt/xml2text.xsl: Update output text and expected input XML
1398 element names to match changes below.
1399 * data/xslt/xml2xhtml.xsl: Likewise.
1400 (xsl:template match="bison-xml-report"): Add missing entry in Table of
1401 Contents: "Rules useless in parser due to conflicts".
1402 * doc/bison.texinfo (Decl Summary): Reword a little.
1403 (Understanding): Update example output for changes below.
1404 * src/gram.c: (rule_useful_p): Rename to...
1405 (rule_useful_in_grammar_p): ... this.
1406 (rule_useless_p): Rename to...
1407 (rule_useless_in_grammar_p): ... this.
1408 (rule_never_reduced_p): Rename to...
1409 (rule_useless_in_parser_p): ... this.
1410 (grammar_rules_print): Update for renames.
1411 (grammar_rules_print_xml): Update for renames.
1412 (grammar_rules_never_reduced_report): Rename to...
1413 (grammar_rules_useless_report): ... this since it is used for either
1414 kind of useless rule.
1415 * src/gram.h: Reword comments and update function names in prototypes.
1416 * src/main.c (main): Say "rule useless in parser due to conflicts".
1417 * src/print-xml.c (print_rules_never_reduced): Rename to...
1418 (print_rules_useless_in_parser): ... this, and rename output XML
1419 element "rules-never-reduced" to "rules-useless-in-parser".
1420 (print_xml): Update for rename.
1421 * src/print.c (print_results): Say "Rules useless in parser due to
1422 conflicts".
1423 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
1424 (nonterminals_reduce): Say "nonterminal useless in grammar".
1425 (reduce_output): Say "Nonterminals useless in grammar".
1426 Say "Rules useless in grammar".
1427 (reduce_xml): Rename output XML element "useless" to
1428 "useless-in-grammar".
1429 (reduce_print): Don't report the count of grammatically useless rules
1430 as "rules never reduced" just because %yacc is specified.
1431 In the correct report of this count, say nonterminal(s) and rule(s)
1432 "useless in grammar".
1433 * tests/conflicts.at (S/R in initial): Update expected output.
1434 (Defaulted Conflicted Reduction): Likewise.
1435 (Unreachable States After Conflict Resolution): Likewise.
1436 * tests/existing.at (GNU pic Grammar): Likewise.
1437 * tests/reduce.at (Useless Nonterminals): Likewise.
1438 (Useless Rules): Likewise.
1439 (Reduced Automaton): Likewise.
1440 (Underivable Rules): Likewise.
1441 (Empty Language): Likewise.
1442
14432007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
1444
1445 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
1446 here document and before the EOF so that BSD's implementation of Bourne
1447 shell doesn't parse the delimiter as part of the here document.
1448 * doc/.cvsignore: Add cross-options.texi.
1449 * src/getargs.c (usage): Add a blank line after the warning categories.
1450
14512007-11-08 Paolo Bonzini <bonzini@gnu.org>
1452
1453 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
1454
14552007-11-05 Akim Demaille <akim@epita.fr>
1456
1457 Remove Id: from bison.1.
1458 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
1459 (perl -0777 -pi -e 's/\.PP\nId): New.
1460 (.x.1): Use it to ignore the version control revision.
1461
14622007-11-05 Akim Demaille <demaille@gostai.com>
1463
1464 * build-aux/Makefile.am: Ship cross-options.pl.
1465 * doc/Makefile.am: Always refer to cross-options.texi with
1466 $(srcdir).
1467 (MAINTAINERCLEANFILES): Add it.
1468
14692007-11-04 Akim Demaille <demaille@gostai.com>
1470
1471 Generate the long/short option cross-table.
1472 * build-aux/cross-options.pl: New.
1473 * doc/Makefile.am (cross-options.texi): New.
1474 * doc/bison.texinfo: Use it.
1475
14762007-11-04 Akim Demaille <demaille@gostai.com>
1477
1478 Generate bison.1 using help2man.
1479 * doc/common.x, doc/bison.x: New.
1480 * doc/Makefile.am (bison.1, .x.1): New.
1481 The code is taken from autoconf-2.61/man/Makefile.am.
1482 * configure.ac: Look for help2man.
1483
14842007-11-04 Akim Demaille <demaille@gostai.com>
1485
1486 Complete --help.
1487 * src/getargs.c (usage): Document -W, make it clear that -d,
1488 -g and -x have optional arguments.
1489
14902007-11-04 Akim Demaille <demaille@gostai.com>
1491
1492 Find sha1sum when named gsha1sum.
1493 * bootstrap (find_tool): New.
1494 ($SHA1SUM): New.
1495
14962007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
1497
1498 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
1499 at
1500 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
1501 * NEWS (2.3a+): Mention.
1502 * data/bison.m4 (b4_pure_if): Don't define it here.
1503 * data/c.m4 (b4_identification): Depend on individual skeletons to
1504 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
1505 values of the %define variables api.pure or api.push_pull. Define
1506 YYPURE, YYPUSH, and YYPULL accordingly.
1507 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
1508 glr.cc has already defined b4_pure_flag.
1509 * data/push.c: Define b4_pure_if based on `%define api.pure'.
1510 Remove YYPUSH and YYPULL since they're back in b4_identification again.
1511 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
1512 * doc/bison.texinfo (Pure Decl): Update.
1513 (Push Decl): Update.
1514 (Decl Summary): Add api.pure to %define entry.
1515 In %pure-parser entry, say it's deprecated and reference %define.
1516 (Pure Calling): Update.
1517 (Error Reporting): Update.
1518 (C++ Scanner Interface): Update.
1519 (How Can I Reset the Parser): Update.
1520 (Table of Symbols): In %pure-parser entry, say it's deprecated and
1521 reference %define.
1522 * src/getargs.c (pure_parser): Remove global variable.
1523 * src/getargs.h (pure_parser): Remove extern.
1524 * src/output.c (prepare): Don't define pure_flag muscle.
1525 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
1526 wrapper around `%define api.pure'.
1527 * tests/calc.at (Simple LALR Calculator): Update.
1528 (Simple GLR Calculator): Update.
1529 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
1530 Update.
1531 (GLR: Resolve ambiguity, pure, locations): Update.
1532 (GLR: Merge conflicting parses, pure, no locations): Update.
1533 (GLR: Merge conflicting parses, pure, locations): Update.
1534 * tests/glr-regression.at (Uninitialized location when reporting
1535 ambiguity): Update
1536 * tests/input.at (Unused %define api.pure): New test case.
1537 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
1538 AT_PURE_IF and AT_PURE_AND_LOC_IF.
1539 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
1540
15412007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
1542
1543 %define push_pull -> %define api.push_pull. Discussed starting at
1544 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
1545 * data/push.c: Expect the new name.
1546 * data/yacc.c: Likewise.
1547 * doc/bison.texinfo (Push Decl): Update.
1548 (Decl Summary): Update %define entry.
1549 (Push Parser Function): Update.
1550 (Pull Parser Function): Update.
1551 (Parser Create Function): Update.
1552 (Parser Delete Function): Update.
1553 * tests/calc.at (Simple LALR Calculator): Update.
1554 * tests/input.at (%define enum variables): Update.
1555 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
1556 (Push Parsing: Multiple impure instances): Update.
1557 (Push Parsing: Unsupported Skeletons): Update.
1558 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
1559 (Exploding the Stack Size with Malloc): Update.
1560
1561 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
1562 other entries some.
1563
15642007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
1565
1566 For the XML output's terminal element, rename @number to @token-number,
1567 and add @symbol-number. In the nonterminal element, rename @number to
1568 @symbol-number. Discussed starting at
1569 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
1570 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
1571 renames.
1572 (xsl:template match="nonterminal"): Likewise.
1573 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
1574 (xsl:template match="nonterminal"): Likewise.
1575 * src/print-xml.c (print_grammar): Implement.
1576
15772007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
1578
1579 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
1580 2007-10-11 change, the child elements here are items not rules.
1581 (xsl:template match="item"): New.
1582 (xsl:template match="rule"): Update for new reduced itemset.
1583 (xsl:template match="point"): Remove.
1584 (xsl:template match="empty"): For consistency with --graph, don't
1585 output "/* empty */".
1586 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
1587 line-wrap, don't pass a negative value as first-line-length since this
1588 won't work with the following changes.
1589 (xsl:template name="line-wrap"): Simplify slightly.
1590 (xsl:template name="ws-search"): Eliminate recursion.
1591 * src/print_graph.c (print_core): Don't print a reduction's lookahead
1592 set next to an item whose dot is not at the end of the RHS even if it
1593 happens to be associated with the same rule.
1594
15952007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
1596
1597 Add %define lr.keep_unreachable_states.
1598 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
1599 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
1600 * src/main.c (main): Implement it.
1601 * tests/conflicts.at (Unreachable States After Conflict Resolution):
1602 Extend to test it, and fix a typo.
1603
16042007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
1605
1606 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
1607 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
1608 the example .output text.
1609 * tests/regression.at (Extra lookahead sets in report): Improve wording
1610 of comments.
1611
16122007-10-17 Wojciech Polak <polak@gnu.org>
1613
1614 * src/print-xml.c (print_grammar): Renamed
1615 <terminal> and <nonterminal> attributes:
1616 "type" to "number" and "symbol" to "name".
1617 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
1618 Use new attribute names.
1619 (xsl:template match="nonterminal"): Likewise.
1620 * data/xslt/xml2xhtml.xsl: Likewise.
1621
16222007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
1623
1624 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
1625 (Option Cross Key): Likewise.
1626
1627 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
1628 next to an item whose dot is not at the end of the RHS even if it
1629 happens to be associated with the same rule.
1630 * src/print.c (print_core): Likewise.
1631 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
1632 (Resolved SR Conflicts): Update output.
1633 * tests/regression.at (Extra lookahead sets in report): New test case.
1634
16352007-10-11 Wojciech Polak <polak@gnu.org>
1636
1637 * src/print-xml.c (print_core): Remove item set
1638 redundancy.
1639 * data/xslt/bison.xsl (bison:ruleNumber): New key.
1640 Improve processing time. Suggested by Joel E. Denny.
1641 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
1642 Write xsl:param "required" attribute as comment.
1643 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
1644 (xsl:template match="rule"): Support new reduced itemset.
1645 (xsl:template match="point"): Remove.
1646 * data/xslt/xml2xhtml.xsl: Likewise.
1647
16482007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
1649
1650 * src/getargs.c (version): Update copyright year.
1651
16522007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
1653
1654 Make xml2dot.xsl and --graph produce the same output.
1655 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
1656 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
1657 escaped later.
1658 (xsl:template name="output-node"): Use the new escape template instead
1659 of the string-replace template directly.
1660 (xsl:template name="output-edge"): Likewise.
1661 (xsl:template name="escape"): New, escapes backslashes and newlines in
1662 addition to quotation marks.
1663 * src/graphviz.c (start_graph, output_node, output_edge): Add
1664 whitespace to output for legibility.
1665
1666 Make xml2text.xsl and --report produce the same output, and remove the
1667 XML "conflicts" element since a conflict summary is easily extracted
1668 from the automaton.
1669 * data/xslt/bison.xsl: New.
1670 (xsl:template match="state" mode="bison:count-conflicts): New.
1671 * data/xslt/xml2text.xsl: Import bison.xsl.
1672 (xsl:template match="bison-xml-report"): Instead of styling the
1673 "conflicts" element, style the "automaton" element with mode
1674 "conflicts". Unlike the former, the latter lists S/R and R/R
1675 conflicts for a state on the same line.
1676 (xsl:template match="conflicts"): Remove.
1677 (xsl:template match="conflict"): Remove.
1678 (xsl:template match="terminal"): Line-wrap the list of rules in which
1679 the terminal is used.
1680 (xsl:template match="nonterminal"): Likewise for nonterminals.
1681 (xsl:template match="automaton" mode="conflicts"): New.
1682 (xsl:template match="state" mode="conflicts"): New.
1683 (xsl:template name="line-wrap"): New.
1684 (xsl:template name="ws-search"): New.
1685 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
1686 (xsl:template match="bison-xml-report"): Instead of styling the
1687 "conflicts" element, style the "automaton" element with mode
1688 "conflicts."
1689 (xsl:template match="conflicts"): Remove.
1690 (xsl:template match="conflict"): Remove.
1691 (xsl:template match="automaton" mode="conflicts"): New.
1692 (xsl:template match="state" mode="conflicts): New.
1693 * src/conflicts.c (conflicts_output_xml): Remove.
1694 * src/conflicts.h (conflicts_output_xml): Remove prototype.
1695 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
1696 * src/print.c (print_grammar): Consistently wrap at the 66th column so
1697 the corresponding XSLT is easier. Also, never wrap between a word and
1698 the comma that follows it.
1699
17002007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
1701
1702 Improve C++ namespace support. Discussed starting at
1703 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
1704 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
1705 b4_namespace_close): New macros that interpret the %define variable
1706 "namespace" so its value can contain "::" to indicate nested
1707 namespaces.
1708 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
1709 the above macros.
1710 * data/lalr1.cc (b4_namespace): Likewise.
1711 * data/location.cc (b4_namespace): Likewise.
1712 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
1713 inside a new table in the general %define entry. Document `%define
1714 namespace' there as well. Point the %name-prefix entry to it since it
1715 explains it more completely in the case of C++.
1716 (C++ Bison Interface): Mention `%define namespace' instead of
1717 %name-prefix.
1718 (Table of Symbols): Remove the `%define push_pull' entry. The %define
1719 entry suffices.
1720 * tests/c++.at (Relative namespace references): New test case.
1721 (Absolute namespace references): New test case.
1722 (Syntactically invalid namespace references): New test case.
1723 * tests/input.at (C++ namespace reference errors): New test case.
1724
17252007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
1726
1727 Add syncline support and location accessor to internal %define
1728 interfaces.
1729 * data/bison.m4 (b4_percent_define_get_loc): New.
1730 (b4_percent_define_get_syncline): New.
1731 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
1732 (b4_percent_define_default): Record defining location as line 1 rather
1733 than 0 for the sake of synchronizing #line's, and define
1734 b4_percent_define_syncline(VARIABLE).
1735 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
1736 * src/muscle_tab.c (muscle_syncline_grow): New.
1737 (muscle_code_grow): Use muscle_syncline_grow.
1738 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
1739 define b4_percent_define_syncline(VARIABLE).
1740 (muscle_percent_define_get_loc): New.
1741 (muscle_percent_define_get_syncline): New.
1742 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
1743 remove some unused variables.
1744 (muscle_percent_define_default): Record defining location as line 1
1745 rather than 0 for the sake of synchronizing #line's, and define
1746 b4_percent_define_syncline(VARIABLE).
1747 (muscle_percent_define_check_values): Use
1748 muscle_percent_define_get_loc.
1749 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
1750 (muscle_percent_define_get_syncline): Prototype.
1751 * tests/skeletons.at (%define Boolean variables: invalid skeleton
1752 defaults): Update output for location change.
1753 (Complaining during macro argument expansion): Extend to test
1754 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
1755
17562007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
1757
1758 Fix some error-reporting macro bugs.
1759 * data/bison.m4 (b4_cat): New.
1760 (b4_error, b4_error_at): Use b4_cat to send error directives directly
1761 to stdout so they don't become arguments to other macros. Update
1762 comments and add examples.
1763 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
1764 add examples.
1765 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
1766 after printing the error directive so that M4 doesn't report subsequent
1767 problems that are induced by this problem.
1768 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
1769 instead of just in them. Recognize @\n in both places. Both expand to
1770 the empty string. Needed by b4_cat.
1771 * tests/skeletons.at (Complaining during macro argument expansion):
1772 New test case.
1773 (Fatal errors make M4 exit immediately): New test case.
1774
17752007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
1776
1777 Implement --print-datadir.
1778 * src/getargs.c (usage): Mention.
1779 (PRINT_DATADIR_OPTION): New anonymous enum member.
1780 (long_options): Add entry for it.
1781 (getargs): Add case for it calling compute_pkgdatadir.
1782 * src/output.c (output_skeleton): Encapsulate data directory
1783 computation from here...
1784 (prepare): ... and from here...
1785 (compute_pkgdatadir): ... into this new function.
1786 * src/output.h (compute_pkgdatadir): Prototype.
1787
17882007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
1789
1790 * src/print-xml.c (escape_bufs): New static global variable
1791 replacing...
1792 (xml_escape_n): ... the static local variable buf here.
1793 (print_xml): Free memory for escape_bufs.
1794 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
1795
17962007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
1797
1798 Replace `%push-parser' and `%push-pull-parser' with
1799 `%define push_pull "push"' and `%define push_pull "both"'.
1800 `%define push_pull "pull"' is the default.
1801 * doc/bison.texinfo (Push Decl, Push Parser Function,
1802 Pull Parser Function, Parser Create Function, Parser Delete Function):
1803 Update declarations.
1804 (Decl Summary, Table of Symbols): Replace %push-parser and
1805 %push-pull-parser entries with a %define push_pull entry.
1806 * data/bison.m4 (b4_percent_define_check_values): New macro.
1807 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
1808 definitions...
1809 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
1810 definitions...
1811 * data/push.c: ... to here and compute them from the value of the
1812 %define variable push_pull.
1813 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
1814 parsing requests here...
1815 * data/yacc.c: ... hack this to switch to push.c any time
1816 b4_use_push_pull_flag or the %define variable push_pull is set. This
1817 will go away when we mv push.c yacc.c.
1818 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
1819 push parsing is not supported since unused %define variables are
1820 reported anyway.
1821 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
1822 * src/muscle_tab.h (muscle_percent_define_check_values): Update
1823 comments for consistency with b4_percent_define_check_values.
1824 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
1825 muscles.
1826 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
1827 Remove.
1828 (prologue_declaration): Remove %push-parser and %push-pull-parser
1829 rules.
1830 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
1831 * tests/calc.at: Update declarations.
1832 * tests/input.at (%define enum variables): New test case.
1833 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
1834 declaration.
1835 (Push Parsing: Multiple impure instances): Update declaration.
1836 (Push Parsing: Unsupported Skeletons): New test case.
1837 * tests/torture.at (Exploding the Stack Size with Alloca): Update
1838 declaration.
1839 (Exploding the Stack Size with Malloc): Update declaration.
1840
18412007-09-24 Wojciech Polak <polak@gnu.org>
1842
1843 Add XSLT transformations.
1844
1845 * data/xslt/xml2dot.xsl: Transform XML into DOT.
1846 * data/xslt/xml2text.xsl: Transform XML into plain text.
1847 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
1848 * data/Makefile.am (xsltdir): New variable.
1849 (dist_xslt_DATA): Add xslt/*.xsl files.
1850
18512007-09-23 Paul Eggert <eggert@cs.ucla.edu>
1852
1853 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
1854 Problem reported by Wojciech Polak.
1855 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
1856 (xml_printf): Undo change I made on 21 September; that is,
1857 indent 2 spaces, not 1.
1858
18592007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
1860
1861 Pacify ./configure --enable-gcc-warnings.
1862 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
1863 `char const *' instead of `char *'.
1864 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
1865 local variable `sep'.
1866
18672007-09-21 Paul Eggert <eggert@cs.ucla.edu>
1868
1869 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
1870 elsewhere.
1871 * src/print-xml.c: Prefer "const" after types; that's more consistent.
1872 (xml_printf): Indent just 1 space for level.
1873 (e_char, xlate_char): Remove.
1874 (xml_escape_string): Rewrite to avoid undefined behavior (used
1875 storage that was freed from the stack).
1876 (xml_escape_n): Don't bother checking for subscript error.
1877
18782007-09-21 Wojciech Polak <polak@gnu.org>
1879
1880 Add Bison XML Automaton Report.
1881
1882 Add support for an -x option to generate an XML report.
1883 It is not documented yet.
1884 * src/print-xml.c: New file.
1885 * src/print-xml.h: Likewise.
1886 * lib/timevar.def (TV_XML): New var.
1887 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
1888 * src/conflicts.c: Include print-xml.h.
1889 (solved_conflicts_xml_obstack): New var.
1890 (log_resolution, conflicts_solve, conflicts_free):
1891 Add support for XML report.
1892 (conflicts_output_val): New function.
1893 * src/conflicts.h (conflicts_output_val): New decl.
1894 * src/files.c (spec_xml_file): New var.
1895 (compute_output_file_names, output_file_names_free): Add XML support.
1896 * src/files.h (spec_xml_file): New decl.
1897 * src/getargs.c (xml_flag): New var.
1898 (usage, short_options, long_options, getargs): Add XML support.
1899 * src/getargs.h (xml_flag): New decl.
1900 * src/gram.c: Include print-xml.h.
1901 (rule_lhs_print_xml, rule_rhs_print_xml):
1902 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
1903 New functions.
1904 * src/gram.h: Declare external ones.
1905 * src/main.c: Include print-xml.h.
1906 (main): Add XML support.
1907 * src/reduce.c: Include print-xml.h.
1908 (reduce_xml): New function.
1909 * src/reduce.h: Declare it.
1910 * src/state.c: Include print-xml.h.
1911 (state_new): Add XML support.
1912 (state_rule_lookahead_tokens_print_xml): New function.
1913 * src/state.h: Declare it.
1914 (struct state): New member solved_conflicts_xml.
1915 * src/symtab.c (symbol_class_get_string): New function.
1916 * src/symtab.h: Declare it.
1917
19182007-09-21 Paul Eggert <eggert@cs.ucla.edu>
1919
1920 * GNUmakefile: Switch to coreutils's version.
1921 * bootstrap: Likewise.
1922 * Makefile.cfg: Adjust to new GNUmakefile.
1923 * README-hacking: Likewise.
1924
1925 Import from gnulib:
1926
1927 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
1928 Bruno Haible <bruno@clisp.org>
1929
1930 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
1931 and is a script that invokes bison. Tighten the code. Add comments.
1932
19332007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
1934
1935 Spell "boolean" as "Boolean". Reported by Akim Demaille.
1936 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
1937 * doc/bison.texinfo (Decl Summary): Fix.
1938 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
1939 * tests/input.at (Boolean %define variables): Update output.
1940 * tests/skeletons.at (%define boolean variables: invalid skeleton
1941 defaults): Rename to...
1942 (%define Boolean variables: invalid skeleton defaults): ... this and
1943 update output.
1944
19452007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
1946
1947 In impure push mode, don't allow more than one yypstate to be allocated
1948 since multiple impure parsers would corrupt yynerrs.
1949 * data/push.c (yypstate_allocated): New static global variable
1950 initialized to 0.
1951 (yypull_parse): If yypstate_new returns 0, don't report it as memory
1952 exhaustion if yypstate_allocated is 1, but still return 2.
1953 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
1954 already 1. Otherwise, set it to 1.
1955 (yypstate_delete): Set it to 0.
1956 * tests/push.at (Push Parsing: Multiple impure instances): New test
1957 case.
1958
19592007-08-17 Bob Rossi <bob@brasko.net>
1960
1961 * doc/bison.texinfo (Push Decl): Document the push parser.
1962 (Table of Symbols): Ditto.
1963 (Pure Decl): Ditto.
1964 (Decl Summary): Ditto.
1965 (Multiple Parsers, Push Parser Function, Pull Parser Function,
1966 Parser Create Function, Parser Delete Function):
1967 Add new push parser symbols.
1968 (Table of Symbols): Document push-parser, push-pull-parser,
1969 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
1970
19712007-08-15 Paul Eggert <eggert@cs.ucla.edu>
1972
1973 Update to GPLv3.
1974 * doc/gpl-3.0.texi: New file.
1975 * doc/gpl.texi: Remove.
1976 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
1977 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
1978 * README-hacking, TODO, bootstrap, bootstrap.conf:
1979 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
1980 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
1981 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
1982 * data/lalr1.cc, data/lalr1.java, data/location.cc:
1983 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
1984 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
1985 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
1986 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
1987 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
1988 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
1989 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
1990 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
1991 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
1992 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
1993 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
1994 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
1995 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
1996 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
1997 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
1998 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
1999 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
2000 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
2001 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
2002 * src/complain.c, src/complain.h, src/conflicts.c:
2003 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
2004 * src/files.h, src/flex-scanner.h, src/getargs.c:
2005 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
2006 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
2007 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
2008 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
2009 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
2010 * src/print.c, src/print.h, src/print_graph.c:
2011 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
2012 * src/reduce.h, src/relation.c, src/relation.h:
2013 * src/revision.h, src/scan-code.h, src/scan-code.l:
2014 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
2015 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
2016 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
2017 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
2018 * tests/Makefile.am, tests/actions.at, tests/c++.at:
2019 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
2020 * tests/existing.at, tests/glr-regression.at:
2021 * tests/headers.at, tests/input.at, tests/java.at:
2022 * tests/local.at, tests/output.at, tests/push.at:
2023 * tests/reduce.at, tests/regression.at, tests/sets.at:
2024 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
2025 * tests/torture.at:
2026 Update to GPLv3.
2027
20282007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
2029
2030 Get rid of broken %no-parser, -n, and --no-parser implementation and
2031 documentation.
2032 * TODO: Don't mention them.
2033 * doc/bison.1: Likewise.
2034 * doc/bison.texinfo (Decl Summary): Likewise.
2035 (Bison Options): Likewise.
2036 (Option Cross Key): Likewise.
2037 * src/getargs.c (no_parser_flag): Remove global variable.
2038 (usage): Don't print description of -n and --no-parser.
2039 (long_options): Remove --no-parser entry here.
2040 (getargs): Remove -n case in the switch here.
2041 * src/getargs.h (no_parser_flag): Remove extern.
2042 * tests/regression.at (Web2c Actions): Remove comment that mentions
2043 --no-parser.
2044
20452007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
2046
2047 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
2048 name user variables starting with `yy'. Just pass NULL instead of a
2049 dummy local &yylval to yypush_parse.
2050 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
2051 starting with `yy'.
2052
20532007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
2054
2055 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
2056 true since it's then always used regardless of whether yyoverflow is
2057 defined. Reported by Christian Burger at
2058 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
2059 * THANKS: Add Christian Burger.
2060
2061 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
2062 node names: say "Decl Summary" not "Bison Declaration Summary".
2063
20642007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
2065
2066 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
2067 determine whether this function has already complained about an invalid
2068 value for a %define boolean variable, don't check whether Bison has
2069 ever examined the value. As written, the check was a tautology.
2070 Instead, record and check for this complaint using a separate muscle.
2071
20722007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2073
2074 Fix push parsing memory leak reported by Brandon Lucia at
2075 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
2076 * THANKS: Add Brandon Lucia.
2077 * data/push.c (yypstate_delete): Free the stack if it was reallocated
2078 but the parse never completed and thus freed it.
2079 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
2080 * tests/testsuite.at: Include push.at.
2081 * test/push.at: New.
2082 (Push Parsing: Memory Leak for Early Deletion): New test case.
2083
20842007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
2085
2086 Improve handling of multiple S/R conflicts in the same state and of S/R
2087 conflicts involving multiple reductions.
2088 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
2089 set for a state here or Bison will abort if it is reassigned on a
2090 later conflicted reduction in the same state.
2091 Similarly, don't finalize and assign the solved conflicts report here
2092 or it will be lost if it is reassigned on a later conflicted reduction
2093 in the same state.
2094 (set_conflicts): Instead, assign them both here after all S/R conflicts
2095 in the state have been fully examined.
2096 * src/print.c (shift_set): Rename to...
2097 (no_reduce_set): ... this.
2098 (print_reductions): Update for rename, and add %nonassoc error action
2099 tokens to no_reduce_set so that, when printing the first remaining
2100 reduction on an error action token, the reduction is enclosed in
2101 brackets.
2102 (print_results): Update for rename.
2103 * tests/conflicts.at (Solved conflicts report for multiple reductions
2104 in a state): New test case.
2105 (%nonassoc error actions for multiple reductions in a state): New test
2106 case.
2107
2108 * src/main.c (main): Don't depend on C99 features.
2109
21102007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
2111
2112 * build-aux/.cvsignore: Add compile.
2113 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
2114 uniwidth.
2115
21162007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
2117
2118 * bootstrap (slurp): Create target directories that don't exist.
2119 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
2120
21212007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
2122
2123 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
2124 than item number.
2125 * closure.c (closure): Likewise.
2126 * state.h (reductions): Comment sorting of rules.
2127 (state): Comment sorting of items.
2128
21292007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
2130
2131 Fix C++ test cases after recent Gnulib changes. Discussed starting at
2132 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
2133 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
2134 definition in order to avoid Gnulib headers since we don't use config.h
2135 here.
2136 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
2137 rather than AT_DATA so that config.h is included.
2138
21392007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
2140
2141 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
2142 instead of fprintf. Guard these functions with #if YYDEBUG instead of
2143 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
2144 and so that YYFPRINTF is guaranteed to be defined here.
2145
21462007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
2147
2148 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
2149 with...
2150 (muscle_percent_define_check_values): ... this more helpful function.
2151 Again, it's not used yet, but it will be.
2152 * src/muscle_tab.h: Likewise.
2153
2154 Improve some comments in parser table construction.
2155 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
2156 (generate_states): Don't mention ruleset, which is internal to closure.
2157 * src/closure.c (closure): Explain sorting of core and itemset, which
2158 is required for this function to behave correctly.
2159 * src/closure.h (closure): Mention sorting.
2160
21612007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
2162
2163 * src/lalr.c (state_lookahead_tokens_count): For code readability,
2164 move the check for disabled transitions to an aver since conflict
2165 resolution hasn't happened yet.
2166
2167 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
2168 labels a state as inconsistent just because it has error transitions.
2169 The original form of this check appeared in revision 1.1 of lalr.c,
2170 which was committed on 1991-12-21. Now (at least), changing the
2171 consistency label on such a state appears to have no useful effect in
2172 any of the places it is examined, which I enumerate below. The key
2173 point to understanding each item in this enumeration is that a state
2174 with an error transition is labelled consistent in the first place only
2175 if it has no rules, so the check cannot matter for states that have
2176 rules. (1) Labelling a state as inconsistent will cause set_conflicts
2177 to try to identify its conflicts, and a state must have *rules* to have
2178 conflicts. (2) Labelling a state as inconsistent will affect how
2179 action_row sets the default *rule* for the state. (3) Labelling a
2180 state as inconsistent will cause build_relations to add lookback edges
2181 to *rules* in that state.
2182 * src/state.h (struct state): Word the comment for member consistent
2183 more carefully.
2184
21852007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2186
2187 Don't depend on C99 features.
2188 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
2189 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
2190 * src/reader.c (check_and_convert_grammar): Fix for-loop.
2191 * src/state.c (state_mark_reachable_states): Fix for-loop.
2192 (state_remove_unreachable_states): Fix for-loop.
2193
2194 Don't widen struct state with member reachable just to temporarily
2195 record reachability. Instead, use a local bitset.
2196 * src/state.h (struct state): Remove member.
2197 * src/state.c (state_new): Don't initialize it.
2198 (state_mark_reachable_states): Rename to...
2199 (state_record_reachable_states): ... this, and use bitset.
2200 (state_remove_unreachable_states): Use bitset.
2201
22022007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
2203
2204 * src/Makefile.am (yacc): Quote target action commands properly so
2205 that the yacc script isn't corrupt. Reported by Hans Aberg at
2206 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
2207
2208 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
2209 the case of pure parsers. Reported by Frans Englich at
2210 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
2211 * THANKS: Add Frans Englich.
2212
2213 * NEWS (2.3a+): In the %code entry, reference section `Bison
2214 Declaration Summary' from the manual now since the %code summary has
2215 moved there.
2216 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
2217 in the rules section must be terminated by semicolons.
2218
22192007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
2220
2221 Extend the front-end API for %define variables to more completely
2222 mirror the back-end. This will be useful in the future.
2223 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
2224 Update comments to mention the new front-end counterparts of these
2225 macros.
2226 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
2227 for muscle_string_decode and muscle_location_decode.
2228 (muscle_string_decode): New static function.
2229 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
2230 (muscle_percent_define_get, muscle_percent_define_ifdef): New
2231 functions.
2232 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
2233 muscle_percent_define_get to mimic the b4_percent_define_flag_if
2234 implementation more closely.
2235 (muscle_percent_define_invalid_value): New function.
2236 * src/muscle_tab.h (muscle_percent_define_get,
2237 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
2238 Prototype.
2239
22402007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2241
2242 * NEWS (2.3a+): Mention yesterday's state-removal change.
2243 (2.3a): Remove the %language entry, which was added after 2.3a.
2244 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
2245 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
2246 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
2247 tests/existing.at: Update copyright date.
2248
22492007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2250
2251 If conflict resolution makes states unreachable, remove those states,
2252 report rules that are then unused, and don't report conflicts in those
2253 states.
2254 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
2255 New global function.
2256 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
2257 function.
2258 * src/main.c (main): After conflict resolution, remove the unreachable
2259 states and update all data structures that reference states by number.
2260 * src/state.c (state_new): Initialize each state's reachable member to
2261 false.
2262 (state_mark_reachable_states): New static function.
2263 (state_remove_unreachable_states): New global function.
2264 * src/state.h (struct state): Add member bool reachable.
2265 (state_remove_unreachable_states): Prototype.
2266 * tests/conflicts.at (Unreachable States After Conflict Resolution):
2267 New test case.
2268 * tests/existing.at (GNU pic Grammar): Update test case output now that
2269 an unused rule is discovered.
2270
22712007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2272
2273 Minor code cleanup in parser table construction.
2274 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
2275 (new_itemsets, save_reductions): Update for rename to nitemset.
2276 * src/closure.c (nritemset): Rename to...
2277 (nitemset): ... this since the "r" appears to meaningless and isn't
2278 used in the comments.
2279 (closure): Update for rename.
2280 * src/closure.h (nritemset): Update extern to...
2281 (nitemset): ... this.
2282 * src/lalr.c (LA): Fix a typo in comments.
2283 * src/print.c (print_core): Update for rename to nitemset.
2284 * src/print_graph.c (print_graph): Likewise.
2285 * src/state.h: Fix some typos in header comments.
2286
22872007-04-04 Paul Eggert <eggert@cs.ucla.edu>
2288
2289 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
2290 still sticks to ASCII. Sorry!
2291
2292 * README-hacking: New file, taken mostly from coreutils, with changes
2293 for Bison. Contains much of the contents of:
2294 * README-cvs: Remove.
2295 * bootstrap: Sync from gnulib.
2296 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
2297 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
2298
22992007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
2300
2301 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
2302 Setzer.
2303 (Java Differences): Fix some typos.
2304 * THANKS: Add Sebastian Setzer.
2305
23062007-03-07 Paolo Bonzini <bonzini@gnu.org>
2307
2308 * data/java.m4 (b4_single_class_if): Remove.
2309 (b4_abstract_if): Look at "%define abstract".
2310 (b4_lexer_if): New.
2311 (b4_union_name): Rename...
2312 (b4_yystype): ... to this. Map to "%define stype".
2313 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
2314 b4_maybe_throws): Fix quoting.
2315 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
2316 * data/lalr1.java (Lexer interface): Always define.
2317 (Lexer interface within parser class): Remove.
2318 (YYLexer class): New, used when "%code lexer" is present.
2319 (constructor): When "%code lexer" is used, pass %lex-param
2320 to the lexer constructor.
2321 (yylex, yyparse): Remove %lex-param from method invocations
2322 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
2323
2324 * doc/bison.texinfo (Java Bison Interface): Mention "%define
2325 abstract". Rename "%define union_name" to "%define stype".
2326 Rename method names according to previous patch.
2327 (Java Scanner Interface): Describe "%code lexer" instead of
2328 "%pure-parser" and "%define single_class".
2329 (Java Differences): Mention "%code lexer".
2330
2331 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
2332 Include scanner here, using macros from tests/local.at.
2333 (AT_DATA_CALC_Y): Remove final argument.
2334 (_AT_CHECK_JAVA_CALC): Likewise.
2335 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
2336 of %locations and %error-verbose.
2337 (main): Test with and without %lex-param.
2338 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
2339 (AT_BISON_OPTION_POPDEFS): Pop it.
2340
23412007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2342
2343 DJGPP spefic issue. Inhibit the use of disallowed characters for
2344 file name genertion on Win98, WinXP, etc. These are |<>":?*\
2345 and concern testsuite case 46.
2346 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
2347 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
2348 * djgpp/config.bat: Inhibit the use of disallowed characters.
2349
23502007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
2351
2352 Miscellaneous %define and %code cleanup.
2353 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
2354 values are interpreted.
2355 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
2356 documentation a little more.
2357 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
2358 muscle_percent_define_insert, muscle_percent_code_grow): New
2359 functions/macros.
2360 * src/muscle_tab.h (muscle_percent_define_insert,
2361 muscle_percent_code_grow): Prototype.
2362 * src/parse-gram.y (prologue_declaration): Use
2363 muscle_percent_define_insert and muscle_percent_code_grow when parsing
2364 %define and %code directives.
2365
2366 Make it easy to share %define boolean variables between the front-end
2367 and back-end. Though not used yet, this will be useful in the future.
2368 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
2369 Bison uses of names rather than just skeleton uses of names.
2370 (b4_percent_define_get, b4_percent_define_ifdef): Rename
2371 b4_percent_define_skeleton_variables(VARIABLE) to
2372 b4_percent_define_bison_variables(VARIABLE).
2373 (b4_percent_code_get, b4_percent_code_ifdef): Rename
2374 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
2375 b4_percent_code_bison_qualifiers(QUALIFIER).
2376 (b4_check_user_names_wrap): Update for renames.
2377 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
2378 muscle_percent_define_default): New functions mimicking
2379 b4_percent_define_flag_if and b4_percent_define_default.
2380
2381 For %define variables, report locations for invalid values and
2382 redefinitions.
2383 * data/bison.m4 (b4_percent_define_flag_if): Read
2384 b4_percent_define_loc(VARIABLE) to report the location of an invalid
2385 value for VARIABLE.
2386 (b4_percent_define_default): Save a special location in
2387 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
2388 must later be reported as invalid.
2389 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
2390 functions.
2391 (muscle_percent_define_insert): Record the location of VARIABLE in
2392 muscle percent_define_loc(VARIABLE), and use it to report the previous
2393 location for a redefinition.
2394 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
2395 (muscle_percent_define_default): Update like b4_percent_define_default.
2396 (muscle_grow_user_name_list): Rename to...
2397 (muscle_user_name_list_grow): ... this for consistency and use
2398 muscle_location_grow.
2399 * src/muscle_tab.h (muscle_location_grow): Prototype.
2400 * tests/input.at (%define errors): Update expected output.
2401 * tests/skeletons.at (%define boolean variables: invalid skeleton
2402 defaults): New test case.
2403
24042007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
2405
2406 * src/print.c (lookahead_set, state_default_rule): Remove.
2407 (print_reductions): Replace state_default_rule invocation with
2408 equivalent use of yydefact, which was computed in token_actions in
2409 tables.c.
2410 (print_results): Don't allocate lookahead_set.
2411
24122007-02-27 Paolo Bonzini <bonzini@gnu.org>
2413
2414 * data/lalr1.java: Prefix all private members with yy.
2415
24162007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
2417
2418 Use YYFPRINTF instead of fprintf where appropriate. Reported by
2419 Sebastien Fricker at
2420 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
2421 * THANKS: Add Sebastien Fricker.
2422 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
2423 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
2424 accept a variable number of arguments.
2425
24262007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2427
2428 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
2429
24302007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2431
2432 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
2433 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
2434 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
2435
24362007-02-11 Paul Eggert <eggert@cs.ucla.edu>
2437
2438 Undo my 2007-02-07 change, switching back to the c-strcase module
2439 introduced in the 2007-02-03 change. Bruno Haible reported that
2440 the 2007-02-07 change would be dangerous in Turkish if we add a
2441 language whose name contains "i", since "i" is not lowercase "I"
2442 in Turkish.
2443 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
2444 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
2445 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
2446 * m4/.cvsignore: Remove strcase.m4.
2447 * src/getargs.c: Revert 2007-02-07 change, as follows.
2448 Include c-strcase.h.
2449 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
2450
24512007-02-11 Bruno Haible <bruno@clisp.org>
2452
2453 Enable the Java related testsuite tests when the only Java compiler
2454 found is a gcj < 4.3. Discussed at
2455 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
2456 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
2457
24582007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
2459
2460 * data/Makefile.am: Update copyright date.
2461 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
2462 yypstate_new returns NULL.
2463 (yypstate_new): Return NULL if malloc does.
2464 * src/reader.c (packgram): Move translation of rule actions from the
2465 beginning of packgram to...
2466 (check_and_convert_grammar): ... here right before packgram is invoked
2467 so it's easier to write more complete comments, and remove redundant
2468 code.
2469
24702007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
2471
2472 As in semantic actions, make @$ in %initial-action, %destructor, and
2473 %printer imply %locations.
2474 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
2475 scanning @$.
2476 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
2477 (@$ in %initial-action implies %locations,
2478 @$ in %destructor implies %locations,
2479 @$ in %printer implies %locations): ... these new test cases.
2480
24812007-02-07 Paul Eggert <eggert@cs.ucla.edu>
2482
2483 Undo most of the 2007-02-03 change, switching to the strcase module
2484 now that gnulib strcase has been fixed.
2485 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
2486 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
2487 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
2488 * m4/.cvsignore: Add strcase.m4.
2489 * src/getargs.c: Revert 2007-02-03 change, as follows.
2490 Don't include c-strcase.h.
2491 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
2492 strcasecmp has "unspecified behavior" outside the POSIX locale,
2493 but it works fine in practice if at least one argument is ASCII,
2494 as is the case in Bison.
2495
24962007-02-07 Paolo Bonzini <bonzini@gnu.org>
2497
2498 * tests/java.at: Skip tests if only one of javac/java is present.
2499 Reported by Joel E. Denny.
2500 * tests/atlocal.in: Adjust copyright years.
2501
25022007-02-05 Paolo Bonzini <bonzini@gnu.org>
2503
2504 * data/lalr1.java (Stack): Work around old verifiers that disallow
2505 access to the private fields of an inner class, from the outer class.
2506 We can make Stack's fields public because user code doesn't have access
2507 to the instance of Stack used by parse(). Reported by Paul Eggert.
2508
25092007-02-03 Paul Eggert <eggert@cs.ucla.edu>
2510
2511 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
2512 the right spot for these files?
2513 * bootstrap.conf (gnulib_modules): Add c-strcase.
2514 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
2515 c-strncasecmp.c.
2516 * src/getargs.c: Include c-strcase.h.
2517 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
2518 to avoid unspecified behavior.
2519
25202007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
2521
2522 * doc/bison.texinfo (Decl Summary): Correct typo.
2523
25242007-01-30 Paolo Bonzini <bonzini@gnu.org>
2525
2526 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
2527 Complain if the value does not match empty, "true" or "false".
2528 * data/c++.m4: Adjust default definitions of %define variables.
2529 * data/java.m4: Adjust default definitions of %define variables.
2530 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
2531 to above behavior.
2532 * tests/input.at (Boolean %define variables): Test new behavior.
2533
25342007-01-29 Paolo Bonzini <bonzini@gnu.org>
2535
2536 * NEWS: Mention java.
2537 * TODO: Remove things that are done.
2538 * bootstrap.conf: Add javacomp-script and javaexec-script.
2539 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
2540
2541 * data/Makefile.am: Add new files.
2542 * data/java-skel.m4: New.
2543 * data/java.m4: New.
2544 * data/lalr1.java: New.
2545
2546 * doc/bison.texinfo: Put "A Complete C++ Example" under
2547 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
2548 under Other Languages.
2549
2550 * src/getargs.c (valid_languages): Add Java.
2551 * src/getargs.h (struct bison_language): Update size of string fields.
2552
2553 * tests/Makefile.am: Add java.at.
2554 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
2555 * tests/java.at: New.
2556 * tests/testsuite.at: Include it.
2557
25582007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
2559
2560 Clean up.
2561 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
2562 at_directive_argv arguments so these no longer have to be global
2563 variables. Also, update the implementation for the following changes.
2564 (fail_for_at_directive_too_many_args,
2565 fail_for_at_directive_too_few_args): Add at_directive_name argument.
2566 (at_directive_name): Remove as at_directive_argv[0] will be used for
2567 this now.
2568 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
2569 for the directive name.
2570 (at_directive_argc, at_directive_argv): Make these local within
2571 skel_lex instead of global.
2572 (INITIAL): Update directive start action for above changes.
2573 (SC_AT_DIRECTIVE_ARG): Rename to...
2574 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
2575 (SC_AT_DIRECTIVE_SKIP_WS): Update.
2576 (scan_skel): Move yylex_destroy to...
2577 (skel_scanner_free): ... here.
2578 * tests/skeletons.at (installed skeleton file name): Rename to...
2579 (installed skeleton file names): ... this.
2580
25812007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
2582
2583 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
2584 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
2585 Summary" not "Directives".
2586 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
2587 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
2588 since the former is now the more complete one.
2589 (Prologue Alternatives): Likewise and do the same for %defines.
2590 (Table of Symbols): Add summary of %code, add summary of %define, and
2591 move full %code documentation to...
2592 (Decl Summary): ... here for consistency with other entries in these
2593 sections.
2594 Move %define entry in order to keep this list alphabetized.
2595 Reword %define entry a little to put less emphasis on the skeleton
2596 concept, which most users shouldn't have to think about.
2597
25982007-01-26 Paul Eggert <eggert@cs.ucla.edu>
2599
2600 Adjust to recent gnulib changes.
2601 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
2602 Add string.h, string_.h, unistd_.h, wchar_.h.
2603 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
2604 * src/system.h: Don't include <stpcpy.h>; this is now done by
2605 <string.h>.
2606
26072007-01-23 Paolo Bonzini <bonzini@gnu.org>
2608
2609 Simplify implementation of unqualified %code, implement macros for
2610 uniform treatment of boolean %define flags. Document %define.
2611 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
2612 b4_percent_code_ifdef): New.
2613 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
2614 * data/c++.m4: Define default value for global_tokens_and_yystype.
2615 * data/glr.cc: Likewise.
2616 * data/location.cc: Use b4_percent_define_flag_if.
2617
2618 * doc/bison.texinfo (Decl Summary): Document %define.
2619
2620 * src/parse-gram.y (Unqualified %code): Change muscle name to
2621 b4_percent_code().
2622 (content.opt): Default to empty.
2623
26242007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
2625
2626 Implement support for relative and absolute skeleton file names.
2627 Discussed starting at
2628 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
2629 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
2630 (Bison Options): Document in --skeleton entry.
2631 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
2632 full_skeleton can't necessarily hold all of pkgdatadir.
2633 If the specified skeleton file name contains a `/', don't prepend
2634 pkgdatadir.
2635 * src/parse-gram.y (prologue_declaration): If the specified skeleton
2636 file name contains a `/', prepend the grammar file directory.
2637 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
2638 * skeletons.at: New file.
2639 (relative skeleton file names): New test case.
2640 (installed skeleton file names): New test case.
2641 * tests/testsuite.at: Include skeletons.at.
2642
2643 * bootstrap: Update copyright to 2007.
2644
26452007-01-17 Paolo Bonzini <bonzini@gnu.org>
2646
2647 * bootstrap: Remove occurrences of .#bootmp from the files.
2648
26492007-01-17 Akim Demaille <akim@epita.fr>
2650
2651 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
2652 nonterminals.
2653 Use per-type %printer.
2654
26552007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
2656
2657 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
2658 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
2659 djgpp/config.site, src/files.c, src/files.h, src/main.c,
2660 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
2661 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
2662 tests/glr-regression.at, tests/input.at, tests/local.at,
2663 tests/output.at, tests/torture.at: Update copyright to 2007.
2664
26652007-01-16 Akim Demaille <akim@epita.fr>
2666
2667 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
2668 error code.
2669 (Calc++ Scanner): Exit with failure if we can't open the input
2670 file.
2671 Accept "-" standing for stdin.
2672 (Calc++ Top Level): Print the result only if the parsing was
2673 successful.
2674
26752007-01-16 Akim Demaille <akim@epita.fr>
2676
2677 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
2678
26792007-01-15 Paolo Bonzini <bonzini@gnu.org>
2680 and Joel E. Denny <jdenny@ces.clemson.edu>
2681
2682 Clean up %define and %code implementation in M4 some. Most
2683 importantly, rename all related macros to be in the b4_percent_define
2684 and b4_percent_code namespaces. Also, complete support for `.' in
2685 %define variable names and %code qualifiers.
2686 * data/bison.m4 (b4_check_user_names): Check for special
2687 "SKELETON-NAMESPACE(name)" macros instead of using two nested
2688 m4_foreach loops.
2689 (b4_get_percent_define, b4_get_percent_code): Rename to...
2690 (b4_percent_define_get, b4_percent_code_get): ... these.
2691 Extend documentation with examples.
2692 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
2693 b4_percent_define_skeleton_variables and
2694 b4_percent_code_skeleton_qualifiers.
2695 Expect any value for the %define variable `foo' to be stored in the
2696 macro named `b4_percent_define(foo)'; expect any %code blocks for the
2697 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
2698 expect any unqualified %code blocks to be stored in a macro named
2699 `b4_percent_code_unqualified'.
2700 Use m4_indir so that %define variable names and %code qualifiers can
2701 contain `.', which is allowed by the grammar parser.
2702 (b4_percent_define_default): New macro to set a default value for a
2703 %define variable.
2704 (m4_wrap): Update wrapped code, and fix some underquoting.
2705 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
2706 Expect grammar uses of %define variables and %code qualifiers to be
2707 defined in b4_percent_define_user_variables and
2708 b4_percent_code_user_qualifiers.
2709 * data/c++.m4: Use b4_percent_define_default rather than
2710 m4_define_default. Fix some underquoting. Skeleton usage of %define
2711 variable define_location_comparison now implies skeleton usage of
2712 %define variable filename_type.
2713 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
2714 data/push.c, data/yacc.c: Update macro names.
2715 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
2716 muscle names.
2717
27182007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2719
2720 DJGPP specific issues.
2721
2722 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
2723 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
2724
27252007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
2726
2727 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
2728 run parsers in all tests so that Valgrind is invoked during
2729 maintainer-check-valgrind.
2730 (Duplicate representation of merged trees): Free all semantic values.
2731 (Duplicated user destructor for lookahead): Likewise.
2732
27332007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
2734
2735 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
2736 command-line prefix.
2737 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
2738 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
2739 miss Valgrind messages.
2740 (Exploding the Stack Size with Malloc): Likewise.
2741
27422007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
2743
2744 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
2745 locals. Reported by Juan Manuel Guerrero at
2746 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
2747 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
2748 Fix some indentation also.
2749 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
2750 explaining this issue.
2751
27522007-01-09 Paolo Bonzini <bonzini@gnu.org>
2753 and Joel E. Denny <jdenny@ces.clemson.edu>
2754
2755 Simplify union and prologue handling, and escape union and lex/parse
2756 params with digraphs.
2757 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
2758 values to the empty string since these are no longer guaranteed
2759 initialized by the front-end.
2760 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
2761 braces around b4_user_stype since this is no longer done by the
2762 front-end.
2763 * src/files.c, src/files.h (pre_prologue_obstack,
2764 post_prologue_obstack): Remove.
2765 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
2766 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
2767 with digraphs. This fixes lex params and parse params.
2768 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
2769 * src/output.c (prepare): Remove muscle insertion of the prologues.
2770 (output): Remove freeing of pre_prologue_obstack and
2771 post_prologue_obstack.
2772 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
2773 than prologue_augment for prologue parsing so you don't need prologue
2774 obstacks.
2775 (grammar_declaration): For %union RHS, use `braceless' instead of
2776 "{...}" so that braces are already stripped and code is escaped with
2777 digraphs.
2778 * src/reader.c (prologue_augment): Remove.
2779 (reader): Remove initialization of pre_prologue_obstack and
2780 post_prologue_obstack.
2781 * src/reader.h (prologue_augment): Remove.
2782
2783 * data/c.m4: Remove stray parenthesis.
2784
27852007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
2786
2787 Remove quotes from variables names in %define directives and from
2788 qualifiers in %code directives, and restrict the characters that are
2789 allowed in them to M4-friendly ones. For %define, continue to support
2790 the quoted form as a deprecated feature. Discussed starting at
2791 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
2792 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
2793 %code.
2794 * doc/bison.texinfo (Prologue Alternatives): Update.
2795 (Decl Summary): In %defines entry, update mention of `%code requires'
2796 and `%code provides'.
2797 (C++ Location Values): Update %define uses.
2798 (Calc++ Parser Interface): Likewise.
2799 (Calc++ Parser): Likewise, and update `%code requires' uses.
2800 (Table of Symbols): Update %code documentation.
2801 * src/parse-gram.y (prologue_declaration): For %define variables, use
2802 `variable' instead of `STRING'.
2803 (grammar_declaration): For %code qualifiers, use `ID' instead of
2804 `STRING'.
2805 (variable): New nonterminal that takes an `ID' or a `STRING'.
2806 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
2807 and %define uses.
2808 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
2809 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
2810 (%define errors): Update %define uses.
2811
28122007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
2813
2814 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
2815 instead of muscle_insert for %define values so that M4-special
2816 characters are replaced with digraphs.
2817 * tests/input.at (%define errors): Extend to check weird values.
2818
28192007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
2820
2821 Instead of having skeletons declare all valid %define variables and
2822 %code qualifiers, provide macros that retrieve the associated values
2823 and build these lists automatically. Thus Bison will now warn when a
2824 variable or qualifier is not used by the skeleton in the current
2825 invocation regardless of whether it might sometimes be used by that
2826 skeleton in other invocations. Also, move all %define value macros to
2827 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
2828 form, which is replaced by %code.
2829 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
2830 (b4_check_user_names): ... this, and change the series of valid name
2831 arguments to a single list argument for names used in the skeleton
2832 similar to the existing list argument for names used in the grammar.
2833 Warn instead of complaining.
2834 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
2835 values and %code code, to format %code code properly, and to build
2836 lists of all %define variables and %code qualifiers used in the
2837 skeleton: b4_skeleton_percent_define_variables and
2838 b4_skeleton_percent_code_qualifiers.
2839 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
2840 Remove, and...
2841 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
2842 the skeleton names lists can finish building first. In place of
2843 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
2844 expect the lists b4_user_percent_define_variables and
2845 b4_user_percent_code_qualifiers.
2846 * data/c++.m4: Where setting default values for b4_parser_class_name,
2847 b4_location_type, b4_filename_type, b4_namespace, and
2848 b4_define_location_comparison, update their names to the
2849 b4_percent_define_ namespace.
2850 * data/glr.c: Don't use b4_check_percent_define_variables and
2851 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
2852 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
2853 (b4_parser_class_name, b4_namespace): Define these using
2854 b4_get_percent_define for parser_class_name and namespace.
2855 * data/location.cc: Use b4_get_percent_define.
2856 * data/push.c: Don't use b4_check_percent_define_variables and
2857 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
2858 * data/yacc.c: Likewise, and don't call m4_exit in
2859 b4_use_push_for_pull_if or m4_wrap code will never execute.
2860 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
2861 Rename to...
2862 (muscle_grow_user_name_list): ... this for consistency with the
2863 terminology used in bison.m4.
2864 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
2865 %define variable names, and rename muscle used_percent_define_variables
2866 to user_percent_define_variables.
2867 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
2868 user_percent_code_qualifiers.
2869 (content): Remove.
2870 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
2871 {CODE} form is no longer accepted.
2872 * tests/input.at (Reject bad %code qualifiers): Rename to...
2873 (Reject unused %code qualifiers): ... this, and update test output.
2874 (%define error): Update test output.
2875
28762007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
2877
2878 Check for unrecognized %define variables similar to checking for
2879 unrecognized %code qualifiers. Check for redefined %define variables.
2880 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
2881 generalizes...
2882 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
2883 (b4_check_percent_define_variables): New, also wraps it.
2884 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
2885 variables using b4_check_percent_define_variables.
2886 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
2887 all those exercised in the test suite and all those listed in the
2888 `Default values' section of c++.m4. Are there others?
2889 * data/push.c, data/yacc.c: Declare no valid %define variables.
2890 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
2891 similar to muscle_find, but it works even when the muscle stores a
2892 const value.
2893 (muscle_grow_used_name_list): New function for constructing the used
2894 name list muscles that b4_check_for_unrecognized_names requires.
2895 * src/parse-gram.y (prologue_declaration): Warn if a variable is
2896 %define'd more than once. Define the b4_used_percent_define_variables
2897 muscle with muscle_grow_used_name_list.
2898 (grammar_declaration): Abbreviate %code code with
2899 muscle_grow_used_name_list.
2900 * tests/input.at (%define errors): New.
2901
29022007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
2903
2904 Provide warn_at, complain_at, and fatal_at function callbacks to the
2905 skeletons, and use this for %code qualifier complaints.
2906 * data/bison.m4 (b4_error_at): New, invoked by...
2907 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
2908 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
2909 @fatal_at(...@) directives.
2910 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
2911 qualifiers in b4_used_percent_code_qualifiers and to use
2912 b4_complain_at.
2913 * src/location.c, src/location.h (boundary_set_from_string): New global
2914 function.
2915 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
2916 function.
2917 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
2918 to b4_used_percent_code_qualifiers.
2919 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
2920 function.
2921 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
2922 (lineno): Rename to...
2923 (out_lineno): ... this so I don't misunderstand it again.
2924 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
2925 here; these newlines are in the input but not the output file.
2926 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
2927 (at_directive_perform): ... this new static function, and add handling
2928 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
2929 directives.
2930 * tests/input.at (Reject bad %code qualifiers): Update test output with
2931 locations and extend.
2932
2933 * tests/output.at (Output file name: [, Output file name: ]): Remove
2934 bogus comment about these tests failing.
2935
29362007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
2937
2938 Clean up b4_check_percent_code_qualifiers a little.
2939 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
2940 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
2941 documentation and add examples.
2942 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
2943 qualifiers here.
2944
29452007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
2946
2947 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
2948 unreliable -- especially when they're hidden inside another macro.
2949 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
2950 data/c.m4: Remove m4_divert(-1).
2951 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
2952 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
2953 m4_divert_push(0) and m4_divert_pop(0).
2954 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
2955 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
2956 pushed and popped by m4sugar, should be first on the stack.
2957
2958 Provide warn, complain, and fatal function callbacks to the skeletons.
2959 This provides more flexibility than m4_fatal, improves the error
2960 message format, and captures messages for translation. Discussed
2961 starting at
2962 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
2963 * data/bison.m4 (b4_error): New, invoked by...
2964 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
2965 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
2966 directives. Because these M4 macros might be called when the current
2967 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
2968 the previous removal of uses of m4_divert, which caused trouble.
2969 (b4_check_percent_code_qualifiers): Use b4_complain instead of
2970 m4_fatal to report unrecognized %code qualifiers.
2971 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
2972 push parser requests.
2973 * data/glr.c: Use b4_complain instead of m4_fatal to report
2974 non-deterministic push parser requests.
2975 Update @output usage to @output(...@) form.
2976 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
2977 report missing %defines. Update @output usage to @output(...@) form.
2978 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
2979 @output(...@) form.
2980 * src/main.c (main): Invoke skel_scanner_free.
2981 * src/scan-skel.h (skel_scanner_free): Prototype new function.
2982 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
2983 obstack_for_string from flex-scanner.h.
2984 (YY_DECL): Use to declare skel_lex static.
2985 (decode_at_digraphs): Remove; now handled in the new
2986 SC_AT_DIRECTIVE_ARG start condition.
2987 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
2988 functions.
2989 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
2990 at_directive_argv): New static globals.
2991 (INITIAL): Use fail_for_invalid_at.
2992 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
2993 recognize the start of a generalized `@directive(...@)' form and
2994 start...
2995 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
2996 directive args (using the new obstack_for_string), to decode the
2997 contained @ diagraphs, and to perform the directive. It recognizes
2998 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
2999 @output(...@).
3000 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
3001 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
3002 `@,'.
3003 (scan_skel): Initialize obstack_for_string on the first call.
3004 (skel_scanner_free): New function to free obstack_for_string.
3005 * tests/input.at (Reject bad %code qualifiers): Update test output.
3006
30072007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
3008
3009 Consolidate the 4 prologue alternative directives (%code, %requires,
3010 %provides, and %code-top) into a single %code directive with an
3011 optional qualifier field. Discussed at
3012 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
3013 * NEWS (2.3a+): Rewrite the existing entry for the prologue
3014 alternatives.
3015 * doc/bison.texinfo (Prologue Alternatives): Update.
3016 (Decl Summary): Update to %code "requires" and %code "provides".
3017 (Calc++ Parser): Update to %code "requires".
3018 (Table of Symbols): Remove entries for %requires, %provides, and
3019 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
3020 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
3021 are replaced by b4_percent_code_provides and b4_percent_code_requires,
3022 which are skeleton-specific.
3023 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
3024 declare what %code qualifiers it supports and to complain if any other
3025 qualifiers were used in the grammar.
3026 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
3027 and b4_user_code([b4_percent_code_provides]) in place of
3028 b4_user_requires and b4_user_provides.
3029 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
3030 Add b4_user_code([b4_percent_code_top]) and
3031 b4_user_code([b4_percent_code]).
3032 Invoke b4_check_percent_code_qualifiers.
3033 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
3034 PERCENT_REQUIRES): Remove.
3035 (grammar_declaration): Remove RHS's for %code-top, %provides, and
3036 %requires. Rewrite the %code RHS as the unqualified form defining the
3037 muscle b4_percent_code. Add another RHS for the qualified %code form,
3038 which defines muscles of the form b4_percent_code_QUALIFIER and the
3039 b4_used_percent_code_qualifiers muscle.
3040 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
3041 PERCENT_REQUIRES): Remove.
3042 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
3043 %code "requires" and %code "provides".
3044 * tests/input.at (Reject bad %code qualifiers): New.
3045
30462007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
3047
3048 Use the new code_props interface for destructors and printers.
3049 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
3050 printer_location members, and change the type of the destructor and
3051 printer members to code_props.
3052 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
3053 symbol_printer_get, semantic_type_destructor_set,
3054 semantic_type_printer_set, default_tagged_destructor_set,
3055 default_tagless_destructor_set, default_tagged_printer_set,
3056 default_tagless_printer_set): Use code_props in arguments and return
3057 types in place of char const * and location.
3058 (symbol_destructor_location_get, symbol_printer_location_get): Remove
3059 since the locations are now contained in the return of
3060 symbol_destructor_get and symbol_printer_get.
3061 * src/output.c (symbol_destructors_output, symbol_printers_output):
3062 Replace with...
3063 (symbol_code_props_output): ... this to eliminate duplicate code.
3064 (output_skeleton): Update to use symbol_code_props_output.
3065 * src/reader.c (symbol_should_be_used): Update use of
3066 symbol_destructor_get.
3067 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
3068 Update uses of the various _destructor_set and _printer_set functions.
3069 * src/symtab.c: (default_tagged_destructor_location,
3070 default_tagless_destructor_location, default_tagged_printer_location,
3071 default_tagless_printer_location): Remove since we...
3072 (default_tagged_destructor, default_tagless_destructor,
3073 default_tagged_printer, default_tagless_printer): ... change the type
3074 of these to code_props.
3075 (symbol_new, semantic_type_new, symbol_destructor_set,
3076 semantic_type_destructor_set, symbol_destructor_get,
3077 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
3078 symbol_check_alias_consistency, default_tagged_destructor_set,
3079 default_tagless_destructor_set, default_tagged_printer_set,
3080 default_tagless_printer_set): Update.
3081 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
3082 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
3083 code_props members.
3084 (symbol_print): Use SYMBOL_CODE_PRINT.
3085
30862007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
3087
3088 Use the new code_props interface for rule actions.
3089 * src/symlist.h (symbol_list): Replace action, action_location, and
3090 used members with a code_props action_props member.
3091 * src/reader.c (symbol_should_be_used, grammar_rule_check,
3092 grammar_midrule_action, grammar_current_rule_merge_set,
3093 grammar_current_rule_symbol_append, packgram): Update.
3094 * src/scan-code.h (translate_rule_action): Remove, no longer used.
3095 * src/scan-code.l (handle_action_dollar): Update.
3096 (translate_rule_action): Remove, no longer used.
3097 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
3098
30992007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
3100
3101 Use the new code_props interface in parse-gram.y.
3102 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
3103 Update all uses of translate_* functions to use the new code_props
3104 interface and to use gram_scanner_last_string_free and
3105 code_scanner_last_string_free where possible.
3106 (grammar_declaration): symbol_list_destructor_set and
3107 symbol_list_printer_set now perform the translation, so don't do it
3108 here. Use gram_scanner_last_string_free where possible.
3109 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
3110 translate_code): Remove, no longer used.
3111 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
3112 symbol_list_printer_set): Perform code translation here rather than
3113 depending on the caller to do so.
3114
3115 * src/symlist.h (struct symbol_list): Correct some documentation typos.
3116 * src/scan-gram.h (gram_last_string): Remove declaration.
3117 * src/scan-gram.l (last_string): Declare it static.
3118
31192007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
3120
3121 Encapsulate code properties and related functionality for the various
3122 destructors, printers, and actions into a code_props structure and
3123 interface. This patch merely implements code_props in scan-code.h and
3124 scan-code.l. Future patches will rewrite other modules to use it.
3125 Discussed starting at
3126 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
3127 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
3128 consistently initialize const structs that have an empty location
3129 field.
3130 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
3131 to ensure consistency.
3132 * src/scan-code.h (code_props): New structure.
3133 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
3134 function, macro, and const global variable for initializing a
3135 code_props with no code.
3136 (code_props_plain_init, code_props_symbol_action_init,
3137 code_props_rule_action_init, code_props_translate_code): The rest of
3138 the new code_props functional interface. Among other things, the init
3139 functions set the code_props kind field so that
3140 code_props_translate_code will know whether to behave like
3141 translate_symbol_action, translate_rule_action, or translate_code.
3142 These old translate functions must remain until all other modules are
3143 updated to use the new code_props interface.
3144 (code_scanner_last_string_free): New function similar to
3145 gram_scanner_last_string_free.
3146 (code_scanner_free): Add documentation.
3147 * src/scan-code.l: Implement the new interface.
3148 (code_lex): Make it static, add a code_props* argument, and remove the
3149 rule argument.
3150 (last_string): New static global similar to the one in scan-gram.l.
3151 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
3152 instead of rule.
3153 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
3154 code_props since Bison may one day use this information for destructors
3155 and printers.
3156 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
3157 (handle_action_dollar): Use symbol_list_n_get and set used flag
3158 directly since symbol_list_n_used_set is removed.
3159 (translate_action): Add a code_props* argument and remove the rule,
3160 action, and location arguments. Pass the code_props* on to code_lex.
3161 (translate_rule_action, translate_symbol_action, translate_code):
3162 Rewrite as wrappers around the new code_props interface.
3163 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
3164 it would eventually need to break the encapsulation of code_props.
3165
31662007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
3167
3168 * etc/.cvsignore: New.
3169
31702007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
3171
3172 Add maintainer-push-check to run maintainer-check using push parsing in
3173 place of pull parsing where available.
3174 * Makefile.am (maintainer-push-check): New.
3175 * data/bison.m4 (b4_use_push_for_pull_if): New.
3176 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
3177 appropriately based on their existing values.
3178 (yypush_parse): Don't print push-parser-specific diagnostics if push
3179 parsing is being used in place of pull parsing.
3180 * data/yacc.c: If push parsing should replace pull parsing, redirect to
3181 push.c.
3182 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
3183 variable, and insert b4_use_push_for_pull_flag into muscles.
3184 * tests/Makefile.am (maintainer-push-check): New.
3185
31862006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
3187
3188 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
3189 (whether successful or failed) so that yypush_parse can be invoked
3190 again to start a new parse using the same yypstate.
3191 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
3192 check multiple yypull_parse invocations on the same yypstate. For pull
3193 mode, extend to check multiple yyparse invocations.
3194 (Exploding the Stack Size with Alloca): Extend to try with
3195 %push-pull-parser.
3196 (Exploding the Stack Size with Malloc): Likewise.
3197
3198 * tests/calc.at (Simple LALR Calculator): Don't specify
3199 %skeleton "push.c" since %push-pull-parser implies that now.
3200 * tests/headers.at (export YYLTYPE): Don't check for the push
3201 declarations. Otherwise, this test case can't be used to see if push
3202 mode can truly emulate pull mode.
3203 * tests/input.at (Torturing the Scanner): Likewise.
3204 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
3205 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
3206 AT_YACC_IF, which now includes the case of push mode since %skeleton
3207 need not be used for push mode. This will be more intuitive once
3208 push.c is renamed to yacc.c.
3209
32102006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
3211
3212 For push mode, convert yyparse from a macro to a function, invoke yylex
3213 instead of passing a yylexp argument to yypull_parse, and don't
3214 generate yypull_parse or yyparse unless %push-pull-parser is declared.
3215 Discussed starting at
3216 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
3217 * data/bison.m4 (b4_pull_if): New.
3218 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
3219 * data/push.c: Improve M4 quoting a little.
3220 (b4_generate_macro_args, b4_parenthesize): Remove.
3221 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
3222 any time a pull parser is requested.
3223 Don't #define this as a wrapper around yypull_parse. Instead, when
3224 both push and pull are requested, make it a function that does that
3225 same thing.
3226 (yypull_parse): If there's a b4_prefix, #define this to
3227 b4_prefix[pull_parse] when both push and pull are requested.
3228 Don't define this as a function unless both push and pull are
3229 requested.
3230 Remove the yylexp argument and hard-code yylex invocation instead.
3231 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
3232 %push-parser.
3233 * src/getargs.c (pull_parser): New global initialized to true.
3234 * getargs.h (pull_parser): extern it.
3235 * src/output.c (prepare): Insert pull_flag muscle.
3236 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
3237 (prologue_declaration): Set both push_parser and pull_parser = true for
3238 %push-pull-parser. Set push_parser = true and pull_parser = false for
3239 %push-parser.
3240 * src/scan-gram.l: Don't accept %push_parser as an alternative to
3241 %push-parser since there's no backward-compatibility concern here.
3242 Scan %push-pull-parser.
3243 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
3244 instead of %push-parser.
3245 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
3246 prototype it in the module that calls yyparse.
3247 * tests/input.at (Torturing the Scanner): Likewise.
3248 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
3249
32502006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
3251
3252 Update etc/bench.pl. Optimize push mode a little (the yyn change
3253 deserves most of the credit).
3254 * Makefile.am (SUBDIRS): Add etc subdirectory.
3255 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
3256 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
3257 yytoken, yyval, and yyloc declarations to...
3258 (yyparse or yypush_parse): ... here to improve performance. For
3259 yypush_parse invocations after the first, be sure to assign yyn its old
3260 value again.
3261 (yypstate_new): Don't bother initializing the yyresult field since the
3262 initial value isn't used.
3263 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
3264 remove the #define that, in push mode, set it to yyps->NAME.
3265 * etc/Makefile.am: New.
3266 * etc/bench.pl: Remove and build it instead from...
3267 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
3268 "tests/bison" from the build directory by default rather than just
3269 invoking "bison" from $PATH.
3270 (calc_grammar): Update push parser code: don't declare yylval globally,
3271 don't define yyparse_wrapper, and don't #define yyparse.
3272 (bench_grammar): Update to check all working combinations of yacc.c,
3273 push.c, impure, pure, pull, and push.
3274
32752006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
3276
3277 For push mode, add pull wrappers around yypush_parse.
3278 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
3279 (yypull_parse): New function wrapping yypush_parse.
3280 (yyparse): New #define wrapping yypull_parse.
3281 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
3282 is declared.
3283 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
3284 prototype yylex in the module that calls yyparse, and don't prototype
3285 yyparse there. Otherwise, the yyparse expansion won't compile.
3286 * tests/input.at (Torturing the Scanner): Likewise.
3287
32882006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
3289
3290 Enable push parsers to operate in impure mode. Thus, %push-parser no
3291 longer implies %pure-parser. The point of this change is to move
3292 towards being able to test the push parser code by running the entire
3293 test suite as if %push-parser had been declared.
3294 * data/push.c (yypush_parse): For impure mode, remove the
3295 yypushed_char, yypushed_val, and yypushed_loc arguments.
3296 Instead, declare these as local variables initialized to the global
3297 yychar, yylval, and yylloc.
3298 For the first yypush_parse invocation only, restore the initial values
3299 of these global variables when it's time to read a token since they
3300 have been overwritten.
3301 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
3302 %push-parser.
3303 * tests/calc.at (Simple LALR(1) Calculator): Always declare
3304 %pure-parser along with %push-parser since this test case was designed
3305 for pure push parsers.
3306 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
3307 (AT_YACC_OR_PUSH_IF): New.
3308 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
3309 add a note that it's still wrong for some cases (as it has been for a
3310 while).
3311 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
3312 %push-parser no longer implies %pure-parser.
3313
33142006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
3315
3316 Remove some unnecessary differences between the pull parser code and
3317 the push parser code. This patch enables yynerrs in push mode.
3318 * data/push.c: Reformat M4 a little.
3319 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
3320 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
3321 because push mode is on. Instead, if pure mode is on, move yynerrs
3322 to...
3323 (b4_declare_parser_state_variables): ... here.
3324 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
3325 to yyps->NAME so it can be used in yypush_parse.
3326 (yypush_parse): Don't omit uses of yynerrs in push mode.
3327
33282006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
3329
3330 Fix bug such that the first pushed token's value and location are
3331 sometimes overwritten (sometimes by %initial-action) before being used.
3332 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
3333 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
3334 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
3335 more closely mimic the pull parser logic.
3336 Don't copy the pushed token to yychar, yylval, and yylloc until it's
3337 time to read a token, which is after any initialization of yylval and
3338 yylloc.
3339 (gottoken): Rename label to...
3340 (yyread_pushed_token): ... for clarity and to avoid infringing on the
3341 user namespace.
3342
33432006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
3344
3345 Rearrange initialization of the parser state variables so that the
3346 skeleton doesn't have to have a copy for pull mode and another for push
3347 mode. This patch also fixes at least a bug such that yylloc was not
3348 initialized (with b4_location_initial_line and
3349 b4_location_initial_column) upon calling yypush_parse. However, that
3350 initialization now overwrites the first token's location;
3351 %initial-action assigning @$ already did the same thing, and both bugs
3352 will be fixed in a later patch.
3353 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
3354 (b4_declare_parser_state_variables): Remove initialization of yytoken,
3355 yyss, yyvs, yyls, and yystacksize.
3356 (yypstate_new): Remove initialization of some yypstate fields: yystate,
3357 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
3358 yylsp.
3359 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
3360 yyps->NAME so it can be used in yypush_parse.
3361 (yyparse or yypush_parse): For yypush_parse, don't print the
3362 "Starting parse" diagnostic for invocations after the first.
3363 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
3364 yypush_parse, only do it for the first invocation.
3365 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
3366 initialization to occur in yypush_parse but only on the first
3367 invocation.
3368
33692006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
3370
3371 * data/push.c: Add CPP guards around push parser declarations in both
3372 the header and the code file.
3373 In the code file, move the push parser declarations to the same place
3374 they appear in the header file.
3375 Clean up the M4 some, especially the inconsistent underquoting in
3376 some b4_c_function_def and b4_c_function_decl uses.
3377
33782006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
3379
3380 Encapsulate the push parser state variables into an M4 macro so the
3381 push skeleton doesn't have to list them again for pull mode's yyparse.
3382 For push mode, remove yypush_parse's local equivalents of these
3383 variables to eliminate unnecessary copying between the two sets at
3384 run-time. This patch also fixes at least a bug related to multiple
3385 %initial-action invocations in push mode.
3386 * data/push.c (b4_declare_parser_variables): Rename to...
3387 (b4_declare_scanner_communication_variables): ... this for clarity and
3388 update both uses.
3389 (b4_declare_yyparse_variables): Remove and move its contents to the one
3390 spot where it was invoked.
3391 (b4_declare_parser_state_variables): New macro containing the parser
3392 state variables required by push mode.
3393 (struct yypstate): Replace all fields but yynew with
3394 b4_declare_parser_state_variables.
3395 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
3396 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
3397 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
3398 (yyparse or yypush_parse): For yyparse in pull mode, replace local
3399 parser state variable declarations with
3400 b4_declare_parser_state_variables.
3401 Don't initialize parser state variables when calling yypush_parse since
3402 yypstate_new already does that.
3403 Invoke the user's initial action only upon the first yypush_parse
3404 invocation.
3405 Remove all code that copies between the local parser state variables
3406 and the yypstate.
3407
34082006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
3409
3410 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
3411 prevent a name collision in a future patch where these names will
3412 sometimes be #define'd.
3413 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
3414 since it no longer has the same name as the existing argument.
3415 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
3416
34172006-12-19 Paolo Bonzini <bonzini@gnu.org>
3418 and Joel E. Denny <jdenny@ces.clemson.edu>
3419
3420 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
3421 that the argument is case-insensitive, and there's no `=' here.
3422 For the %skeleton entry, mention that %language is better.
3423 (Bison Options): Likewise for --language and --skeleton. Move the
3424 --skeleton entry so that the `Tuning the parser' section is sorted
3425 alphabetically on long options.
3426 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
3427 %language directive in detail here; cross-reference the %language
3428 documentation instead.
3429 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
3430 `%require "2.3b"' so that the example is always up-to-date.
3431 (Table of Symbols): Add entries for %language and %skeleton.
3432 * examples/extexi (normalize): Instead of replacing every %require
3433 argument with the current Bison version, just substitute for
3434 `@value{VERSION}'. This guarantees that we're testing what actually
3435 appears in the documentation.
3436 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
3437 rather than `@VERSION@'.
3438
34392006-12-18 Paul Eggert <eggert@cs.ucla.edu>
3440
3441 * NEWS: Reword the %language news a bit, and put it earlier.
3442
3443 * src/getargs.c (skeleton_arg): Last arg is now location const *.
3444 Rewrite to simplify the logic.
3445 (language_argmatch): Likewise.
3446 (program_name): We now own this var.
3447 * src/getargs.h (struct bison_language): Use char[] rather than
3448 const char *.
3449
3450 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
3451 Java is supported.
3452 * src/complain.c (program_name): Remove decl; no longer needed.
3453 * src/main.c (program_name): Remove; now belongs to getargs.
3454
34552006-12-18 Paolo Bonzini <bonzini@gnu.org>
3456
3457 * NEWS: Document %language.
3458
3459 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
3460
3461 * data/c-skel.m4, data/c++-skel.m4: New files.
3462 * data/glr.c: Complain on push parsers.
3463
3464 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
3465 over %skeleton.
3466 (Decl Summary): Document %language and %skeleton.
3467 (Command line): Document -L.
3468
3469 * examples/extexi: Rewrite %require directive.
3470 * examples/calc++/Makefile.am: Pass VERSION to extexi.
3471
3472 * src/files.c (compute_exts_from_gc): Look in language structure
3473 for .y extension.
3474 (compute_file_name_parts): Check whether .tab should be added.
3475 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
3476 (language, skeleton_arg, language_argmatch): New.
3477 (long_options): Add --language.
3478 (getargs): Use skeleton_arg, add -L/--language.
3479 * src/getargs.h: Include location.h.
3480 (struct bison_language, language, skeleton_arg, language_argmatch): New.
3481 * src/output.c (prepare): Pick default skeleton from struct language.
3482 Don't dispatch C skeletons here.
3483 * src/parse-gram.y (PERCENT_LANGUAGE): New.
3484 (prologue_declaration): Add "%language" rule, use skeleton_arg.
3485 * src/scan-gram.l ("%language"): New rule.
3486
3487 * tests/calc.at: Test %skeleton and %language.
3488 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
3489 (AT_GLR_IF): Look for %skeleton "glr.cc".
3490 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
3491 (AT_YACC_IF): Reject %language.
3492
34932006-12-18 Paul Eggert <eggert@cs.ucla.edu>
3494
3495 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
3496 since it wasn't used; only the typedef name 'semantic_type' is needed.
3497 Also, omit trailing white space.
3498
3499 * bootstrap: Sync from coreutils.
3500 (gnulib_extra_files): Add build-aux/announce.gen.
3501 (slurp): Adjust .gitignore files like .cvsignore files.
3502 * build-aux/announce-gen: Remove from CVS, since bootstrap
3503 now creates this.
3504
35052006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
3506
3507 Make %push-parser imply %pure-parser. This fixes several bugs; see
3508 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
3509 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
3510 pure_parser = true.
3511 * data/push.c: Don't bother testing b4_push_if when deciding whether
3512 to expand b4_declare_parser_variables globally.
3513 (yypush_parse): Likewise in here.
3514
3515 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
3516 (yy_reduce_print): Reformat M4 for readability.
3517
35182006-12-15 Bob Rossi <bob@brasko.net>
3519 and Joel Denny <jdenny@ces.clemson.edu>
3520
3521 * data/push.c (yypstate): Add typedef, and update all uses of
3522 struct yypstate to just yypstate.
3523 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
3524
35252006-12-14 Bob Rossi <bob@brasko.net>
3526
3527 * data/push.c (yypush_parse): Declare prototype regardless of
3528 %locations option.
3529
35302006-12-14 Bob Rossi <bob@brasko.net>
3531
3532 * data/push.c (yyparse): Remove the prototype and the #define when in
3533 push-parser mode.
3534
35352006-12-13 Bob Rossi <bob@brasko.net>
3536
3537 * data/push.c (yypstate_init): Rename to...
3538 (yypstate_new): ... this and use b4_c_function_def.
3539 (yypstate_delete): New.
3540 (yypush_parse): Change parameters yynval and yynlloc to be const.
3541 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
3542 yypstate_delete functions.
3543
35442006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
3545
3546 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
3547 strange test case titles. Reported by Bob Rossi.
3548
35492006-12-13 Paul Eggert <eggert@cs.ucla.edu>
3550
3551 * TODO: Add pointer to Sylvain Schmitz's work on static detection
3552 of potential ambiguities in GLR grammers.
3553
35542006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
3555
3556 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
3557 `bison ', use m4_index instead of m4_substr since chopping up a string
3558 containing M4-special characters causes problems here.
3559
3560 Fix a couple of bugs related to special characters in user-specified
3561 file names, and make it easier for skeletons to compute output file
3562 names with the same file name prefix as Bison-computed output file
3563 names.
3564 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
3565 b4_parser_file_name and b4_spec_defines_file instead of
3566 @output_parser_name@ and @output_header_name@, which are now redundant.
3567 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
3568 b4_parser_file_name, b4_spec_defines_file, and the new
3569 @basename(FILENAME@) instead of @output_parser_name@ and
3570 @output_header_name@, which inappropriately escaped the file names as
3571 C string literals.
3572 * src/files.c (all_but_ext): Remove static qualifier.
3573 (compute_output_file_names): Move `free (all_but_ext)' to...
3574 (output_file_names_free): ... here since all_but_ext is needed later.
3575 * src/files.h (all_but_ext): Extern.
3576 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
3577 exactly what MUSCLE_INSERT_STRING used to do.
3578 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
3579 characters are escaped properly.
3580 * src/output.c (prepare): Define muscle file_name_all_but_ext as
3581 all_but_ext.
3582 For pkgdatadir muscle, maintain previous functionality by using
3583 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
3584 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
3585 digraphs would never be expanded. Hopefully no one has M4-special
3586 characters in his Bison installation path.
3587 * src/scan-skel.l: Don't parse @output_header_name@ and
3588 @output_parser_name@ anymore since they're now redundant.
3589 In @output, use decode_at_digraphs.
3590 Parse a new @basename command that invokes last_component.
3591 (decode_at_digraphs): New.
3592 (BASE_QPUTS): Remove unused.
3593 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
3594 (Output file name): New tests.
3595
35962006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
3597
3598 Warn about output files that are generated by the skeletons and that
3599 conflict with other output files.
3600 * data/glr.c: Don't generate the header file here when glr.cc does.
3601 * src/files.c (file_names, file_names_count): New static globals.
3602 (compute_output_file_names): Invoke output_file_name_check for files
3603 not generated by the skeletons and remove existing checks.
3604 (output_file_name_check): New function that warns about conflicting
3605 output file names.
3606 (output_file_names_free): Free file_names.
3607 * src/files.h (output_file_name_check): Declare.
3608 * src/scan-skel.l: Invoke output_file_name_check for files generated by
3609 the skeletons.
3610 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
3611 (Conflicting output files): New tests.
3612
36132006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3614
3615 * doc/bison.texinfo: Fix a couple of typos.
3616
36172006-12-08 Bob Rossi <bob@brasko.net>
3618
3619 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
3620 Rename to...
3621 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
3622 update all uses.
3623 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
3624 (yypush_parse): Rename yypvars argument to yyps and remove redundant
3625 local pv.
3626 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
3627 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
3628
36292006-12-07 Bob Rossi <bob@brasko.net>
3630 and Joel Denny <jdenny@ces.clemson.edu>
3631
3632 * data/push.c (yypvarsinit): Change return type from void* to struct
3633 yypvars*. No longer cast to void* on return.
3634 (struct yypvars): Remove yylen since it need not be remembered between
3635 yypushparse invocations.
3636 (yypushparse): Don't copy between yylen and pv->yylen.
3637
36382006-12-05 Bob Rossi <bob@brasko.net>
3639
3640 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
3641 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
3642 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
3643 (struct yypvars): Remove b4_declare_parser_variables.
3644 (yypvarsinit): Remove init code for removed variables.
3645 (global scope): Do not declare b4_declare_parser_variables if
3646 push or pure mode.
3647 (yypushparse): Add b4_declare_parser_variables.
3648 Init new local variables, and remove init code for removed
3649 yypvars variables.
3650 (yyparse): Delete.
3651 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
3652 and yyparse for other modes.
3653 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
3654 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
3655 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
3656 (AT_PURE_LEX_IF): True if pure or push parser.
3657
36582006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
3659
3660 Document Yacc prologue alternatives and default %destructor's and
3661 %printer's as experimental. Don't mention Java yet. Discussed at
3662 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
3663 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
3664 (2.3a): Annotate this entry to say the old forms of these features were
3665 also experimental.
3666 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
3667 Table of Symbols): Say they're experimental. Comment out any mention
3668 of Java (we'll want this back eventually).
3669
36702006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
3671
3672 Support a file name argument to %defines. Deprecate `=' in
3673 %file-prefix, %name-prefix, and %output. Discussed at
3674 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
3675 * NEWS (2.3a+): Mention.
3676 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
3677 form of %defines, and remove `=' from entries for %file-prefix,
3678 %name-prefix, and %output.
3679 * src/parse-gram.y (prologue_declaration): Implement.
3680 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
3681 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
3682 all but one occurrence of %name-prefix.
3683 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
3684 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
3685 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
3686 occurrence of each of %file-prefix and %output. Add check for %defines
3687 with argument.
3688 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
3689 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
3690 Remove the `=' from %output.
3691
36922006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
3693
3694 Don't escape $ in test case titles since Autoconf 2.61 now does that
3695 correctly.
3696 * tests/actions.at (Default %printer and %destructor are not for error
3697 or $undefined): Here.
3698 (Default %printer and %destructor are not for $accept): Here.
3699 * tests/input.at (Invalid $n and @n): Here.
3700
37012006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
3702
3703 Rename <!> to <>. Discussed starting at
3704 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
3705 * NEWS (2.3a+): Update.
3706 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
3707 Update.
3708 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
3709 * src/scan-gram.l (INITIAL): Implement.
3710 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
3711 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
3712 comment.
3713 * tests/actions.at (Default tagless %printer and %destructor,
3714 Default tagged and per-type %printer and %destructor,
3715 Default %printer and %destructor are not for error or $undefined,
3716 Default %printer and %destructor are not for $accept,
3717 Default %printer and %destructor for mid-rule values): Update.
3718 * tests/input.at (Default %printer and %destructor redeclared,
3719 Unused values with default %destructor): Update.
3720
37212006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3722
3723 Don't let %prec take a nonterminal.
3724 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
3725 token.
3726 * tests/input.at (%prec takes a token): New test checking that %prec
3727 won't take a nonterminal.
3728
37292006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
3730
3731 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
3732 it was double-quoted.
3733 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
3734 grammar is maintained with Bison's highest standards.
3735 * src/getargs.c: Fix some typos in Doxygen comments.
3736
37372006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
3738
3739 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
3740 later. Reported by Paul Eggert in
3741 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
3742 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
3743 * src/scan-code.l (translate_action): Don't bother invoking
3744 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
3745 (code_scanner_free): Instead of invoking
3746 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
3747 which frees more.
3748 * src/scan-gram.l (gram_scanner_free): Likewise.
3749 * src/scan-skel.l (scan_skel): Likewise.
3750
37512006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
3752
3753 * src/files.c (tr): Change return type to void.
3754 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
3755 has been called previously for the same key.
3756 (muscle_find): Return storage instead of value so that
3757 --enable-gcc-warnings doesn't produce warnings that the return discards
3758 const. aver that the value and storage are the same since storage
3759 could potentially be NULL when value is not.
3760 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
3761 same as 0.
3762
37632006-11-08 Paul Eggert <eggert@cs.ucla.edu>
3764
3765 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
3766 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
3767 us a slightly cleaner distribution, and also works.
3768 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
3769 gnulib changes.
3770
37712006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
3772 and Paul Eggert <eggert@cs.ucla.edu>
3773
3774 Don't let Bison leak memory except when it complains.
3775 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
3776 (spec_defines_file, dir_prefix): Now char *, not const char *,
3777 since they are freed.
3778 * src/files.c: Likewise.
3779 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
3780 Likewise.
3781 (tr): Now operates in-place. All uses changed.
3782 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
3783 values.
3784 (compute_file_name_parts, compute_output_file_names): Don't store
3785 read-only data in variables that will be freed.
3786 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
3787 src_extension, and header_extension.
3788 (output_file_names_free): New public function to free
3789 spec_verbose_file, spec_graph_file, spec_defines_file,
3790 parser_file_name, and dir_prefix.
3791 * src/getargs.c (getargs): Don't store read-only data in variables that
3792 will be freed.
3793 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
3794 (which previously existed but was unused), and quotearg_free.
3795 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
3796 * src/muscle_tab.c: Likewise.
3797 (muscle_entry): Make the value char const *,
3798 and add a new storage member that is char * and can be freed.
3799 (muscle_entry_free): New private function.
3800 (muscle_init): Use it instead of free.
3801 (muscle_insert, muscle_grow): Update and use new storage member.
3802 (muscle_code_grow): Free the string passed to muscle_grow
3803 since it's not needed anymore.
3804 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
3805 add a new `char *code' member.
3806 ("{...}"): Declare semantic type as code.
3807 * src/scan-code.h (translate_rule_action):
3808 (translate_symbol_action, translate_code, translate_action): Return
3809 `char const *' rather than `char *' since external code should not free
3810 these strings.
3811 * src/scan-code.l: Likewise.
3812 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
3813 which is "{...}" in the parser.
3814 * tests/Makefile.am (maintainer-check-valgrind): Set
3815 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
3816 Valgrind.
3817 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
3818 complain.
3819 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
3820 expecting a non-zero exit status sets --leak-check=summary and
3821 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
3822 this case, and we don't want to hear about it.
3823
38242006-11-08 Paul Eggert <eggert@cs.ucla.edu>
3825
3826 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
3827 instead of from the template, to simplify configuration a bit.
3828 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
3829 and m4/wint_t.m4, as they are needed with the latest gnulib.
3830
38312006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
3832
3833 Disable unset/unused mid-rule value warnings by default, and recognize
3834 --warnings=midrule-values to enable them. Discussed starting at
3835 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
3836 * NEWS (2.3a+): Mention.
3837 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
3838 warnings): Add entry for midrule-values subargument.
3839 * src/reader.c (symbol_should_be_used): Don't return true just because
3840 the value is a set/used mid-rule value unless
3841 --warnings=midrule-values was specified.
3842 * tests/input.at (Unused values, Unused values before symbol
3843 declarations): Run tests with and without --warnings=midrule-values.
3844
3845 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
3846 than LIST_FREE directly.
3847
38482006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
3849
3850 Finish implementing --warnings=error, which should not be implied by
3851 --warnings=all (or by its synonyms -W and --warnings without
3852 subarguments).
3853 * src/complain.c (set_warning_issued): New function to report that
3854 warnings are being treated as errors and to record an error if so.
3855 Invoke...
3856 (warn_at, warn): ... here.
3857 * src/getargs.c (warnings_args, warnings_types): Reorder so that
3858 "error - warnings are errors" does not appear above "all - all of the
3859 above".
3860 (getargs): For -W and --warnings without subarguments, don't let
3861 FLAGS_ARGMATCH set warnings_error in warnings_flag.
3862 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
3863
38642006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
3865
3866 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
3867 empty subargument list. For example: `bison --warnings= parser.y'.
3868
38692006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3870
3871 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
3872 the parser header file so that gcc doesn't warn.
3873
38742006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3875
3876 Split the default %destructor/%printer into two kinds: <*> and <!>.
3877 Discussed starting at
3878 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
3879 * NEWS (2.3a+): Mention.
3880 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
3881 previous change today related to mid-rules.
3882 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
3883 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
3884 (TYPE_TAG_ANY): Add as <*>.
3885 (TYPE_TAG_NONE): Add as <!>.
3886 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
3887 for <*> and <!>.
3888 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
3889 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
3890 * src/symlist.c (symbol_list_default_new): Split into tagged and
3891 tagless versions.
3892 (symbol_list_destructor_set, symbol_list_printer_set): Split
3893 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
3894 SYMLIST_DEFAULT_TAGLESS.
3895 * src/symlist.h: Update symbol_list_default*_new prototypes.
3896 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
3897 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
3898 * src/symtab.c (default_destructor, default_destructor_location,
3899 default_printer, default_printer_location): Split each into tagged and
3900 tagless versions.
3901 (symbol_destructor_get, symbol_destructor_location_get,
3902 symbol_printer_get, symbol_printer_location_get): Implement tagged
3903 default and tagless default cases.
3904 (default_destructor_set, default_printer_set): Split each into tagged
3905 and tagless versions.
3906 * src/symtab.h: Update prototypes.
3907 * tests/actions.at (Default %printer and %destructor): Rename to...
3908 (Default tagless %printer and %destructor): ... this, and extend.
3909 (Per-type %printer and %destructor): Rename to...
3910 (Default tagged and per-type %printer and %destructor): ... this, and
3911 extend.
3912 (Default %printer and %destructor for user-defined end token): Extend.
3913 (Default %printer and %destructor are not for error or $undefined):
3914 Update.
3915 (Default %printer and %destructor are not for $accept): Update.
3916 (Default %printer and %destructor for mid-rule values): Extend.
3917 * tests/input.at (Default %printer and %destructor redeclared): Extend.
3918 (Unused values with default %destructor): Extend.
3919
39202006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3921
3922 Don't apply the default %destructor/%printer to an unreferenced midrule
3923 value. Mentioned at
3924 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
3925 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
3926 like $@n instead of just @n so that the default %destructor/%printer
3927 logic doesn't see them as user-defined symbols.
3928 (symbol_is_dummy): Check for both forms of the name.
3929 * src/reader.c (packgram): Remove the `$' from each midrule symbol
3930 name for which the midrule value is referenced in any action.
3931 * tests/actions.at (Default %printer and %destructor for mid-rule
3932 values): New test.
3933 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
3934 for change to dummy symbol names.
3935
39362006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
3937
3938 Warn about unset midrule $$ if the corresponding $n is used.
3939 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
3940 $n usage.
3941 (packgram): Before invoking grammar_rule_check on any rule, make sure
3942 all actions have already been scanned in order to set `used' flags.
3943 Otherwise, checking that a midrule's $$ is set will not always work
3944 properly because the midrule check must forward-reference the midrule's
3945 parent rule.
3946 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
3947 warning.
3948
39492006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
3950
3951 More improvements to the documentation of the prologue alternatives:
3952 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
3953 Bison manual.
3954 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
3955 some text to clarify the relative importance of the new directives and
3956 to show how these directives may be viewed as code labels.
3957
39582006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
3959
3960 Similar to the recently removed %before-header, add %code-top as the
3961 alternative to the pre-prologue. Mentioned at
3962 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
3963 Also, let the prologue alternatives appear in the grammar section.
3964 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
3965 (prologue_declaration): Move the existing prologue alternatives to...
3966 (grammar_declaration): ... here and add %code-top.
3967 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
3968
3969 Clean up and extend documentation for the prologue alternatives.
3970 * NEWS (2.3a+): Describe prologue alternatives.
3971 * doc/bison.texinfo (Prologue): Move discussion of prologue
3972 alternatives to...
3973 (Prologue Alternatives): ... this new section, and extend it to discuss
3974 all 4 directives in detail.
3975 (Table of Symbols): Clean up discussion of prologue alternatives and
3976 add %code-top.
3977
39782006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3979
3980 DJGPP specific issues.
3981
3982 * djgpp/config.bat: config.hin has been moved to lib. Adjust
3983 config.bat accordingly.
3984 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
3985 * djgpp/config.site: Likewise.
3986
39872006-10-16 Paolo Bonzini <bonzini@gnu.org>
3988
3989 Replace %*-header with %provides, %requires, %code. See discussion at
3990 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
3991
3992 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
3993 (b4_user_start_header): Remove.
3994 * data/glr.c: Use new macros instead of b4_*start_header
3995 and b4_*end_header.
3996 * data/glr.cc: Likewise.
3997 * data/lalr1.cc: Likewise.
3998 * data/push.c: Likewise.
3999 * data/yacc.c: Likewise.
4000
4001 * doc/bison.texinfo: Remove %before-header, rename
4002 %{start,end,after}-header to %requires, %provides, %code.
4003
4004 * src/parse-gram.y: Likewise (also rename token names accordingly).
4005 * src/scan-gram.l: Likewise.
4006 * tests/actions.at: Likewise.
4007
40082006-10-14 Paul Eggert <eggert@cs.ucla.edu>
4009
4010 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
4011 Problem reported by Joel E. Denny.
4012
40132006-10-14 Jim Meyering <jim@meyering.net>
4014
4015 (Sync from coreutils.)
4016 Work also when the working directory (with e.g. coreutils sources)
4017 is version controlled with git, rather than CVS.
4018 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
4019 rather than CVS.
4020 In messages and comments, say e.g., "checked-out sources",
4021 rather than "CVS sources".
4022 (version_controlled_file): New function. Work for git as well as
4023 for CVS. Don't use grep's -q option.
4024 (slurp): Call it here, in place of CVS-specific code.
4025
40262006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
4027
4028 Fix testsuite for ./configure --enable-gcc-warnings:
4029 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
4030 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
4031 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
4032 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
4033 * test/regression.at (Diagnostic that expects two alternatives):
4034 Likewise.
4035
40362006-10-12 Paul Eggert <eggert@cs.ucla.edu>
4037
4038 * bootstrap.conf (gnulib_modules): Add config-h.
4039 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
4040 worry about HAVE_CONFIG_H.
4041 * lib/abitset.c: Likewise.
4042 * lib/bitset.c: Likewise.
4043 * lib/bitset_stats.c: Likewise.
4044 * lib/bitsetv-print.c: Likewise.
4045 * lib/bitsetv.c: Likewise.
4046 * lib/ebitset.c: Likewise.
4047 * lib/get-errno.c: Likewise.
4048 * lib/lbitset.c: Likewise.
4049 * lib/subpipe.c: Likewise.
4050 * lib/timevar.c: Likewise.
4051 * lib/vbitset.c: Likewise.
4052 * lib/bitset.c: Include "bitset.h" first, to test interface.
4053 * lib/bitset_stats.c: Include "bitset_stats.h" first.
4054 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
4055 * lib/bitsetv.c: Include "bitsetv.h" first.
4056 * lib/get-errno.c: Include "get-errno.h" first.
4057 * m4/.cvsignore: Add config-h.m4.
4058 * tests/actions.at (Default %printer and %destructor for ...):
4059 Adjust expected line numbers in output to reflect removal of #if
4060 HAVE_CONFIG_H lines.
4061 * tests/glr-regression.at (Missed %merge type warnings when ...):
4062 Likewise.
4063 * tests/regression.at (Braced code in declaration in rules section):
4064 Likewise.
4065 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
4066 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
4067 Include <config.h> unconditionally.
4068
4069 * bootstrap: Sync from coreutils, as follows:
4070
4071 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
4072
4073 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
4074 variable was sometimes used without being initialized. This
4075 messed up the installation of the INSTALL file in some cases.
4076
4077 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
4078
4079 * bootstrap (usage, main program, symlink_to_gnulib): Add option
4080 --copy. Inspired by a suggestion from Bruno Haible.
4081
4082 2006-10-03 Jim Meyering <jim@meyering.net>
4083
4084 * bootstrap: Undo last change to this file, since now gnulib-tool
4085 sticks with the automake default in generating dependencies.
4086
40872006-10-12 Paul Eggert <eggert@cs.ucla.edu>
4088
4089 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
4090 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
4091
4092 * doc/bison.1: Add copyright notice.
4093
4094 * data/glr.c: Don't include <stdarg.h>; not used.
4095
4096 * NEWS: The -g and --graph options now output graphs in Graphviz
4097 DOT format, not VCG format.
4098 * doc/bison.1: Likewise.
4099 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
4100 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
4101 of this change in
4102 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
4103 * TODO: Remove Graphviz entry.
4104 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
4105 remove vcg.c, vcg.h, vcg_defaults.h.
4106 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
4107 * src/graphviz.c, src/graphviz.h: New files.
4108 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
4109 * src/files.h: Make comment more generic.
4110 * src/main.c (main): Likewise.
4111 * src/print_graph.h: Likewise.
4112 * src/getargs.c (usage): Make usage description more generic.
4113 * src/print_graph.c: Include graphviz.h rather than vcg.h.
4114 (static_graph, fgraph): Remove. All uses changed to pass
4115 arguments instead of sharing a static var.
4116 (print_core, print_actions, print_state, print_graph):
4117 Output graphviz format rather than VCG format.
4118 * tests/.cvsignore: Remove *.vcg; add *.dot.
4119 * tests/output.at: Expect *.dot files, not *.vcg files.
4120
4121 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
4122 accommodates the 2006-10-08 change.
4123
41242006-10-11 Bob Rossi <bob@brasko.net>
4125
4126 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
4127 (b4_yyssa, b4_yyerror_range): New macros.
4128 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
4129 (yypvarsinit): Remove init of removed fields.
4130 (yypushparse): Remove use of removed fields; use new macros instead.
4131
41322006-10-11 Paul Eggert <eggert@cs.ucla.edu>
4133
4134 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
4135 in a push parser. Reindent slightly to match yacc.c better.
4136
41372006-10-11 Bob Rossi <bob@brasko.net>
4138
4139 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
4140 yymsg_alloc fields.
4141 (yypvarsinit, yypushparse): Remove init of removed fields.
4142 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
4143
41442006-10-09 Paul Eggert <eggert@cs.ucla.edu>
4145
4146 * THANKS: Add Paolo Bonzini and Bob Rossi.
4147
41482006-10-08 Paolo Bonzini <bonzini@gnu.org>
4149
4150 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
4151 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
4152 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
4153 b4_define_user_cde and uses): Remove.
4154 (b4_comment, b4_prefix, b4_sync_start): New.
4155 * data/bison.m4: New file, with most of the content removed from c.m4.
4156 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
4157 * src/output.c (output_skeleton): Pass bison.m4.
4158 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
4159 only if specified.
4160
41612006-10-05 Paul Eggert <eggert@cs.ucla.edu>
4162
4163 Fix test failure reported by Tom Lane in
4164 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
4165 and try to make such failures easier to catch in the future.
4166 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
4167 that's now the caller's responsibility.
4168 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
4169 Set yychar = YYEOF if it's negative.
4170 * tests/actions.at (yylex): Abort if asked to read past EOF.
4171 * tests/conflicts.at (yylex): Likewise.
4172 * tests/cxx-type.at (yylex): Likewise.
4173 * tests/glr-regression.at (yylex): Likewise.
4174 * tests/input.at (yylex): Likewise.
4175 * tests/regression.at (yylex): Likewise.
4176 * tests/torture.at (yylex): Likewise.
4177
41782006-10-01 Paul Eggert <eggert@cs.ucla.edu>
4179
4180 Fix problems with translating English-language diagnostics.
4181 * bootstrap: Fix bug introduced in recent bootstrap changes, with
4182 respect to bison-runtime pot generation. The YY_ stuff
4183 wasn't being captured.
4184 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
4185 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
4186 * runtime-po/POTFILES.in: Add data/push.c.
4187
41882006-09-29 Paul Eggert <eggert@cs.ucla.edu>
4189
4190 Merge bootstrap changes from coreutils.
4191
4192 2006-09-28 Jim Meyering <jim@meyering.net>
4193
4194 Automatically generated dependencies are important even
4195 when all of the sources in a directory come from gnulib.
4196 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
4197 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
4198
4199 2006-09-23 Jim Meyering <jim@meyering.net>
4200
4201 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
4202
4203 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
4204
4205 * bootstrap: Add support for --force.
4206 (usage): New function. Describe usage less tersely.
4207 (CVS_only_file): New var.
4208
42092006-09-21 Paul Eggert <eggert@cs.ucla.edu>
4210
4211 * data/push.c (YYPUSH_MORE): Make it an enum instead.
4212 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
4213 Adjust white space and comments to match GNU style better.
4214
42152006-09-20 Bob Rossi <bob@brasko.net>
4216
4217 * data/push.c (yyresult_get): Remove function.
4218 (YYPUSH_MORE): Add #define.
4219 (yypushparse): Modify return value.
4220
42212006-09-20 Paul Eggert <eggert@cs.ucla.edu>
4222
4223 * stamp-h.in: Remove; no longer needed.
4224 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
4225 Remove config.h, config.hin, intl (no longer created).
4226 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
4227 stamp-h1.
4228
4229 Sync bootstrap from coreutils, as follows:
4230
4231 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
4232
4233 * bootstrap (symlink_to_gnulib): New function.
4234 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
4235 to copies-of-gnulib.
4236 (cp_mark_as_generated, slurp, gnulib_files):
4237 Avoid making a copy if it's the same as the old version.
4238 (gnulib_files): Add support for this variable (used by Bison).
4239
42402006-09-20 Paul Eggert <eggert@cs.ucla.edu>
4241
4242 * src/getargs.c (usage): Rework to use conventions similar to
4243 coreutils, to make translation a bit easier and the code a bit
4244 smaller. Problem reported by Tim Van Holder.
4245
42462006-09-15 Paul Eggert <eggert@cs.ucla.edu>
4247
4248 Use some of gnulib's new modules, taken from coreutils.
4249
4250 * bootstrap: Sync from coreutils, except add support for gnulib_files.
4251 * bootstrap.conf: New file.
4252 (gnulib_modules): Add configmake, inttypes, unistd.
4253 (XGETTEXT_OPTIONS): Add complain, complain_at,
4254 fatal, fatal_at, warn, warn_at, unexpected_end.
4255 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
4256 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
4257 (gl_EARLY): Add.
4258 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
4259 (gl_INIT): Add
4260 (GNULIB_AUTOCONF_SNIPPET): Remove.
4261 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
4262 the pickiest.
4263 * lib/.cvsignore: Add inttypes_.h.
4264 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
4265 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
4266 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
4267 no-longer-necessary initializations.
4268 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
4269 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
4270 use the unistd module.
4271 * src/system.h: Likewise.
4272 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
4273 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
4274 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
4275 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
4276 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
4277 * src/system.h: Include inttypes.h unconditionally, now that we
4278 use the inttypes module. Don't bother to include stdint.h, since
4279 inttypes.h now does that for us.
4280 (LOCALEDIR): Remove, now that we use the configmake module.
4281 * src/getargs.c: Include configmake.h.
4282 * src/main.c: Likewise.
4283 * src/output.c: Likewise.
4284 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
4285 not from $abs_top_builddir, since config.h moved.
4286
4287
4288 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
4289 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
4290
4291 * src/parse-gram.y (symbol_declaration): Don't put statements
4292 before declarations; it's not portable to C89.
4293 * src/scan-code.l (handle_action_at): Likewise.
4294
4295 * src/scan-code.l: Always initialize braces_level; the old code
4296 left it uninitialized and therefore had undefined behavior.
4297
4298 Don't attempt to redefine 'assert', since it runs afoul of
4299 systems where standard headers (mistakenly) include <assert.h>.
4300 Instead, define and use our own alternative, called 'aver'.
4301 * src/reader.c: Don't include assert.h, since we no longer
4302 use assert.
4303 * src/scan-code.l: Likewise.
4304 * src/system.h (assert): Remove, replacing with....
4305 (aver): New function, taking a bool arg. All uses changed.
4306 * src/tables.c (pack_vector): Ensure that aver arg is bool,
4307 not merely an integer.
4308
43092006-09-15 Bob Rossi <bob@brasko.net>
4310
4311 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
4312 * data/c.m4 (YYPUSH): New.
4313 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
4314 * src/getargs.c (push_parser): New var.
4315 * src/getargs.h (push_parser): New declaration.
4316 * src/output.c (prepare): Add macro insertion of `push_flag'.
4317 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
4318 (prologue_declaration): Parse %push-parser.
4319 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
4320 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
4321 list of removed lines from the traces observed.
4322 (AT_CHECK_CALC_LALR): Added push parser tests.
4323
43242006-09-13 Paul Eggert <eggert@cs.ucla.edu>
4325
4326 * NEWS: Version 2.3a.
4327 * configure.ac (AC_INIT): Likewise.
4328
4329 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
4330 "#define YYSTYPE int" that caused "make maintainer-check" to fail
4331 due to header ordering dependencies. I don't know why the #define
4332 was there.
4333
4334 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
4335 runtime cost when YYDEBUG is not defined, and so that some tests
4336 that used to fail now work. Problem and initial suggestion by
4337 Paolo Bonzini.
4338 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
4339 * data/glr.cc (b4_parser_class_name):
4340 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
4341 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
4342 (yydebug_) [YYDEBUG]: New member.
4343 (yycdebug_): Now defined only if YYDEBUG.
4344 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
4345 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
4346 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
4347 if YYYDEBUG.
4348 (debug_stream, set_debug_stream, debug_level, set_debug_level):
4349 Define only if YYDEBUG.
4350 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
4351 set_debug_level.
4352 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
4353 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
4354 AT_CHECK_CALC_GLR_CC that are working now.
4355
43562006-09-12 Paul Eggert <eggert@cs.ucla.edu>
4357
4358 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
4359 We don't need them in glr.cc, and glr.c defines them.
4360 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
4361 assumes that defining it to anything is the same as defining
4362 it to 1. Problem reported by Paolo Bonzini.
4363
43642006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
4365
4366 * data/c.m4 (b4_null, b4_case): Define.
4367 * src/output.c (prepare_symbols): Use b4_null.
4368 (user_actions_output): Use b4_case.
4369
43702006-09-11 Paul Eggert <eggert@cs.ucla.edu>
4371
4372 * data/glr.c (b4_shared_declarations): Put start-header first,
4373 before any #includes that we generate, so that feature-test
4374 macros work. Problem reported by Michael Deutschmann in
4375 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
4376 * data/lalr1.cc: Likewise.
4377 * doc/bison.texinfo (Prologue): Document that feature-test macros
4378 should be defined before any Bison declarations.
4379 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
4380 that depend on location.hh after, not before, Bison decls, since
4381 we now include location.hh after the first user prologue.
4382
4383 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
4384 Sander Brandenburg in
4385 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
4386 Also, fix minor white space and comment issues.
4387 (Prologue): Mention that it's better to define feature-test macros
4388 before Bison declarations. Problem reported by Michael Deutschmann.
4389
4390 * README-cvs: Fix typo: "&" should be "&&". Problem reported
4391 by Jim Meyering.
4392 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
4393 This adjusts to recent gnulib changes.
4394
43952006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
4396
4397 Finish implementation of per-type %destructor/%printer. Discussed
4398 starting at
4399 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
4400 and
4401 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
4402 * NEWS (2.3+): Add a description of this feature to the default
4403 %destructor/%printer description.
4404 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
4405 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4406 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
4407 list node contains a semantic type.
4408 * src/symtab.c, src/symtab.h: Extend with a table that associates
4409 semantic types with their %destructor's and %printer's.
4410 (semantic_type_from_uniqstr, semantic_type_get,
4411 semantic_type_destructor_set, semantic_type_printer_set): New functions
4412 composing the public interface of that table.
4413 (symbol_destructor_get, symbol_destructor_location_get,
4414 symbol_printer_get, symbol_printer_location_get): If there's no
4415 per-symbol %destructor/%printer, look up the per-type before trying
4416 the default.
4417 * tests/actions.at (Per-type %printer and %destructor): New test case.
4418 * tests/input.at (Default %printer and %destructor redeclared):
4419 Extend to check that multiple occurrences of %symbol-default in a
4420 single %destructor/%printer declaration is an error.
4421 (Per-type %printer and %destructor redeclared, Unused values with
4422 per-type %destructor): New test cases.
4423
44242006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
4425
4426 Require default %destructor/%printer to be declared using
4427 %symbol-default instead of an empty symbol list, and start working on
4428 new per-type %destructor/%printer. Discussed at
4429 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
4430 * NEWS (2.3+): Add %symbol-default to example.
4431 * bison.texinfo (Freeing Discarded Symbols): Likewise.
4432 (Table of Symbols): Add entry for %symbol-default.
4433 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
4434 (generic_symlist, generic_symlist_item): New nonterminals for creating
4435 a list in which each item is a symbol, semantic type, or
4436 %symbol-default.
4437 (grammar_declaration): Use generic_symlist in %destructor and %printer
4438 declarations instead of symbols.1 or an empty list.
4439 (symbol_declaration, precedence_declaration, symbols.1): Update actions
4440 for changes to symbol_list.
4441 * src/reader.c: Update for changes to symbol_list.
4442 * src/scan-code.l: Likewise.
4443 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
4444 * src/symlist.c, src/symlist.h: Extend such that a list node may
4445 represent a semantic type or a %symbol-default in addition to just an
4446 ordinary symbol. Add switched functions for setting %destructor's and
4447 %printer's.
4448 * tests/actions.at, tests/input.at: Add %symbol-default to all default
4449 %destructor/%printer declarations.
4450
44512006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
4452
4453 Whether the default %destructor/%printer applies to a particular symbol
4454 isn't a question of whether the user *declares* that symbol (in %token,
4455 for example). It's a question of whether the user by any means
4456 *defines* the symbol at all (by simply using a char token, for
4457 example). $end is defined by Bison whereas any other token with token
4458 number 0 is defined by the user. The error token is always defined by
4459 Bison regardless of whether the user declares it with %token, but we
4460 may one day let the user define error as a nonterminal instead.
4461 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
4462 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
4463 the meaning of "user-defined".
4464 * tests/actions.at (Default %printer and %destructor for user-declared
4465 end token): Rename to...
4466 (Default %printer and %destructor for user-defined end token): ...
4467 this.
4468
4469 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
4470 computation of whether to apply the default, don't maintain a list of
4471 every Bison-defined symbol. Instead, just check for a first character
4472 of '$', which a user symbol cannot have, and check for the error token.
4473
44742006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
4475
4476 Don't apply the default %destructor or %printer to the error token,
4477 $undefined, or $accept. This change fits the general rule that the
4478 default %destructor and %printer are only for user-declared symbols,
4479 and it solves several difficulties that are described in the new test
4480 cases listed below.
4481 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
4482 * tests/actions.at (Default %printer and %destructor are not for error
4483 or $undefined, Default %printer and %destructor are not for $accept):
4484 New test cases.
4485
44862006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
4487
4488 Allow %start after the first rule.
4489 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
4490 when parsing the first rule.
4491 (check_and_convert_grammar): Search for it here after all grammar
4492 declarations have been parsed. Skip midrules, which have dummy LHS
4493 nonterminals.
4494 * src/symtab.c (symbol_is_dummy): New function.
4495 * src/symtab.h (symbol_is_dummy): Declare it.
4496 * tests/input.at (%start after first rule): New test.
4497
44982006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
4499
4500 Redo some of the previous commit: add back the ability to use
4501 non-aliased/undeclared string literals since it might be useful to
4502 those declaring %token-table.
4503 * src/reader.c (check_and_convert_grammar): Undo changes in previous
4504 commit: don't worry about complaints from symbols_pack.
4505 * src/symtab.c (symbol_new, symbol_class_set,
4506 symbol_check_alias_consistency): Undo changes in previous commit: count
4507 each string literal as a new symbol and token, assign it a symbol
4508 number, and don't complain about non-aliased string literals.
4509 (symbols_pack): Since symbol_make_alias still does not decrement symbol
4510 and token counts but does still set aliased tokens to the same number,
4511 symbol_pack_processor now leaves empty slots in the symbols array.
4512 Remove those slots.
4513 * tests/regression.at (Undeclared string literal): Remove test case
4514 added in previous commit since non-aliased string literals are allowed
4515 again.
4516 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
4517 remove unnecessary string literal declarations.
4518 * tests/sets.at (Firsts): Likewise.
4519
45202006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
4521
4522 Don't allow an undeclared string literal, but allow a string literal to
4523 be used before its declaration.
4524 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
4525 symbols_pack complained.
4526 * src/symtab.c (symbol_new): Don't count a string literal as a new
4527 symbol.
4528 (symbol_class_set): Don't count a string literal as a new token, and
4529 don't assign it a symbol number since symbol_make_alias does that.
4530 (symbol_make_alias): It's not necessary to decrement the symbol and
4531 token counts anymore. Don't assume that an alias declaration occurs
4532 before any uses of the identifier or string, and thus don't assert that
4533 one of them has the highest symbol number so far.
4534 (symbol_check_alias_consistency): Complain if there's a string literal
4535 that wasn't declared as an alias.
4536 (symbols_pack): Bail if symbol_check_alias_consistency failed since
4537 symbol_pack asserts that every token has been assigned a symbol number
4538 although undeclared string literals have not.
4539 * tests/regression.at (String alias declared after use, Undeclared
4540 string literal): New test cases.
4541 (Characters Escapes, Web2c Actions): Declare string literals as
4542 aliases.
4543 * tests/sets.at (Firsts): Likewise.
4544
45452006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
4546
4547 In the grammar scanner, STRING_FINISH unclosed constructs and return
4548 them to the parser in order to improve error messages.
4549 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
4550 SC_BRACED_CODE, SC_PROLOGUE): Implement.
4551 * tests/input.at (Unclosed constructs): New test case.
4552 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
4553 seen.
4554
4555 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
4556 unused global.
4557
45582006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
4559
4560 Handle string aliases for character tokens correctly.
4561 * src/symtab.c (symbol_user_token_number_set): If the token has an
4562 alias, check and set its alias's user token number instead of its own,
4563 which is set to indicate the alias. Previously, every occurrence of
4564 the character token in the grammar overwrote that alias indicator with
4565 the character code.
4566 * tests/input.at (String aliases for character tokens): New test.
4567
45682006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
4569
4570 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
4571
45722006-08-11 Paul Eggert <eggert@cs.ucla.edu>
4573
4574 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
4575 to prevent failures when building on older platforms.
4576 Check for autopoint failure.
4577 Set XGETTEXT_OPTIONS to values that check for C format strings,
4578 so that translators are warned about them (this also helps
4579 prevent core dumps).
4580
4581 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
4582 function, since it simplifies our code a bit.
4583
4584 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
4585 rather than -W, so we don't get bogus warnings about sign comparisons.
4586 Add -Wpointer-arith, since that warning is useful (it reports code
4587 that does not conform to C89 and that some compilers reject).
4588 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
4589 since it's no longer needed.
4590
45912006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
4592
4593 Clean up scanners a bit.
4594 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
4595 definitions so gcc won't warn when obstack_for_string is unused.
4596 * src/scan-code.l: config.h and system.h are already #include'd by
4597 scan-code-c.c, so get rid of them here.
4598 * src/scan-gram.l: Likewise.
4599 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
4600 definitions rather than duplicating the rest of it.
4601 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
4602
46032006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
4604
4605 Suppress signed/unsigned comparison warnings for yycheck.
4606 * data/c.m4 (b4_safest_int_type): New macro.
4607 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
4608 a signed int type, cast it to b4_safest_int_type first.
4609 * data/yacc.c: Likewise.
4610 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
4611 also overwritten.
4612
46132006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
4614
4615 * doc/bison.texinfo: Fix some typos.
4616
46172006-08-02 Paul Eggert <eggert@cs.ucla.edu>
4618
4619 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
4620 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
4621
4622 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
4623 the latest gnulib does this a different way.
4624 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
4625 translation was patched, so stop omitting it.
4626
46272006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
4628
4629 Enable declaration of default %printer/%destructor. Make the parser
4630 use these for all user-declared grammar symbols for which the user does
4631 not declare a specific %printer/%destructor. Thus, the parser uses it
4632 for token 0 if the user declares it but not if Bison generates it as
4633 $end. Discussed starting at
4634 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
4635 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
4636 and
4637 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
4638 * NEWS (2.3+): Mention.
4639 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
4640 declare a %destructor for a mid-rule's semantic value. It's just
4641 impossible to declare one specific to it.
4642 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
4643 code. Describe default %destructor form.
4644 * src/parse-gram.y (grammar_declaration): Parse default
4645 %printer/%destructor declarations.
4646 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
4647 and symbol_destructor_location_get rather than accessing the destructor
4648 and destructor_location members of struct symbol.
4649 (symbol_printers_output): Likewise but for %printer's.
4650 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
4651 again.
4652 * src/symtab.c (default_destructor, default_destructor_location,
4653 default_printer, default_printer_location): New static global
4654 variables to record the default %destructor and %printer.
4655 (symbol_destructor_get, symbol_destructor_location_get,
4656 symbol_printer_get, symbol_printer_location_get): New functions to
4657 compute the appropriate %destructor and %printer for a symbol.
4658 (default_destructor_set, default_printer_set): New functions to set the
4659 default %destructor and %printer.
4660 * src/symtab.h: Prototype all those new functions.
4661 * tests/actions.at (Default %printer and %destructor): New test to
4662 check that the right %printer and %destructor are called, that they're
4663 not called for $end, and that $$ and @$ work correctly.
4664 (Default %printer and %destructor for user-declared end token): New
4665 test to check that the default %printer and %destructor are called for
4666 a user-declared end token.
4667 * tests/input.at (Default %printer and %destructor redeclared, Unused
4668 values with default %destructor): New tests to check related grammar
4669 warnings and errors.
4670
46712006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
4672
4673 Clean up handling of %destructor for the end token (token 0).
4674 Discussed starting at
4675 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
4676 and
4677 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
4678
4679 Make the skeletons consistent in how they pop the end token and invoke
4680 its %destructor.
4681 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
4682 state, which has token number 0, since this would invoke the
4683 %destructor for the end token.
4684 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
4685 until after shifting the end token, or else it won't be popped.
4686 * data/yacc.c (yyparse): Likewise.
4687
4688 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
4689 it's the end token. Upon termination, destroy an unshifted lookahead
4690 even when it's the end token.
4691 * data/lalr1.cc (yy::parser::parse): Likewise.
4692 * data/yacc.c (yyparse): Likewise.
4693
4694 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
4695 value warnings for the end token when the user gives the end token a
4696 %destructor.
4697
4698 * tests/actions.at (Printers and Destructors): Test all the above.
4699
47002006-07-24 Paul Eggert <eggert@cs.ucla.edu>
4701
4702 Update to latest gnulib and gettext versions.
4703 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
4704 Add fopen-safer.
4705 (gnulib_files): Add m4/warning.m4. Don't worry about files
4706 overwritten by autopoint.
4707 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
4708 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
4709 rejects them.
4710 Don't use autoreconf; instead, invoke autopoint etc. by hand,
4711 so that we can remove the intl files at a better time.
4712 (intl_files_to_remove): Remove aclocal.m4, since it gets
4713 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
4714 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
4715 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
4716 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
4717 Remove datarootdir hack; no longer needed.
4718 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
4719 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
4720 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
4721 strdup.h.
4722 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
4723 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
4724
47252006-07-20 Paul Eggert <eggert@cs.ucla.edu>
4726
4727 * bootstrap: Adjust to today's change to gnulib-tool by invoking
4728 it with --assume-autoconf='latest-stable'.
4729
47302006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
4731
4732 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
4733 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
4734 YYSTYPE' and `{'.
4735 * src/muscle_tab.h (muscle_grow): Replace the header comments with
4736 those from muscle_tab.c since the old ones are misleading.
4737
47382006-07-13 Akim Demaille <akim@epita.fr>
4739
4740 Support %define "KEY" {VALUE}.
4741 * src/scan-code.h, src/scan-code.l (translate_action)
4742 (translate_rule_action, translate_symbol_action, translate_code):
4743 Return char *, not const char *.
4744 * src/parse-gram.y (declaration): Rename as...
4745 (prologue_declaration): this.
4746 (string_content): Remove this nonterminal, use STRING.
4747 (braceless, content, content.opt): New nonterminal.
4748 Use them.
4749 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
4750 as value.
4751 * src/scan-gram.l (getargs.h): Don't include it.
4752
47532006-07-12 Paul Eggert <eggert@cs.ucla.edu>
4754
4755 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
4756 rather than a for-loop that declares a local bool variable. This
4757 should work around a compatibility problem with a Cray x1e C++
4758 compiler reported by Hung Nguyen in
4759 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
4760 The for-loop was introduced in the 2004-11-17 change but I don't
4761 know why it was needed.
4762
47632006-07-12 Akim Demaille <akim@epita.fr>
4764
4765 * data/c.m4: Comment changes.
4766
47672006-07-10 Akim Demaille <akim@lrde.epita.fr>
4768
4769 * src/complain.c (error_message, ERROR_MESSAGE): New.
4770 To factor...
4771 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
4772 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
4773
47742006-07-09 Paul Eggert <eggert@cs.ucla.edu>
4775
4776 * NEWS: Instead of %union, you can define and use your own union type
4777 YYSTYPE if your grammar contains at least one <type> tag.
4778 Your YYSTYPE need not be a macro; it can be a typedef.
4779 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
4780 (Union Decl, Decl Summary): Document this.
4781 * data/glr.c (YYSTYPE): Implement this.
4782 * data/glr.cc (YYSTYPE): Likewise.
4783 * data/lalr1.cc (YYSTYPE): Likewise.
4784 * data/yacc.c (YYSTYPE): Likewise.
4785 * src/output.c (prepare): Output tag_seen_flag.
4786 * src/parse-gram.y (declaration, grammar_declaration):
4787 Use 'union_seen' rather than 'typed' to determine whether
4788 %union has been seen, since grammars can now be typed without
4789 %union.
4790 (symbol_declaration, type.opt, symbol_def):
4791 Keep track of whether a tag has been seen.
4792 * src/reader.c (union_seen, tag_seen): New vars.
4793 (typed): remove.
4794 * src/reader.h (union_seen, tag_seen, typed): Likewise.
4795 * src/scan-code.l (untyped_var_seen): New variable.
4796 (handle_action_dollar): Adjust to above changes.
4797 (handle_action_dollar, handle_action_at):
4798 Improve overflow checking for outlandish numbers.
4799 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
4800 avoid new diagnostics generated by above changes.
4801 * tests/regression.at (YYSTYPE typedef): Add test to check
4802 for type tags without %union.
4803
4804 * src/symlist.c (symbol_list_length): Return int, not unsigned
4805 int, since callers expect int. This may need to get revisited
4806 once we have proper integer overflow checking.
4807
4808 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
4809 object is now static.
4810
4811 * src/getargs.c (flags_argmatch): Return void, not int,
4812 to pacify ./configure --enable-gcc-warnings.
4813
4814 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
4815 since last_string is already defined to FLEX_PREFIX (last_string).
4816
48172006-07-09 Akim Demaille <akim@lrde.epita.fr>
4818
4819 Implement --warnings/-W.
4820 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
4821 replaced by...
4822 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
4823 Adjust callers.
4824 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
4825 (warnings_args, warnings_types): New.
4826 (getargs, short_options, long_options): Accept -W/--warnings.
4827 Sort the options by alphabetical order, upper case letter right
4828 before its lower case.
4829
48302006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
4831
4832 Change %merge result type clash warnings to errors. Discussed at
4833 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
4834 * src/reader.c (record_merge_function_type): Use complain_at.
4835 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
4836 declared later): Update test case results.
4837
48382006-07-09 Akim Demaille <akim@lrde.epita.fr>
4839
4840 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
4841 to be in alphabetical order.
4842 (trace_args): Spelling fixes.
4843
48442006-07-09 Paul Eggert <eggert@cs.ucla.edu>
4845
4846 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
4847 so they don't collide with user-defined macros.
4848 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
4849 this was never guaranteed, and now that we're using gnulib stdint,
4850 which defines int_fast16_t to long int, the problem is exposed.
4851
48522006-07-08 Paul Eggert <eggert@cs.ucla.edu>
4853
4854 * data/c.m4 (b4_basename): Simplify a bit, since we don't
4855 need the full POSIX semantics (and weren't implementing them
4856 anyway).
4857
4858 Adjust to Autoconf 2.60 and today's gnulib.
4859 * bootstrap (gnulib_modules): Add stdint.
4860 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
4861 no longer copies it.
4862 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
4863 since stdint needs the former and wcwidth (which is now required
4864 by mbswidth) needs the latter.
4865 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
4866 work around a compatibility glitch between gettext 0.14.6 and
4867 Autoconf 2.60.
4868 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
4869 Do not check for uintptr_t, since new stdint module does the right
4870 thing.
4871 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
4872 Add stdint.h, stdint_.h, wcwidth.h.
4873 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
4874 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
4875 stdint.m4, wchar_t.m4, wcwidth.m4.
4876 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
4877 usual order for ../lib/*.h files.
4878 (file_name_split): Use last_component, not base_name, to adjust
4879 to gnulib changes.
4880 * src/parse-gram.h: Include <strverscmp.h> in the usual order
4881 for ../lib/*.h files.
4882 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
4883 Define unconditionally, since we now assume the stdint module.
4884 * src/scan-skel.l: Include <dirname.h>.
4885 (BASE_QPUTS): Use last_component, not base_name.
4886 * src/system.h: Include <unlocked-io.h> in the usual order
4887 for ../lib/*.h files. Include <stdint.h> unconditionally,
4888 since we now use the stdint module.
4889 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
4890 HAVE_UINTPTR_T, since we now use the stdint module.
4891 (base_name): Remove decl, since files now include <dirname.h>
4892 to get the decl.
4893
48942006-07-08 Akim Demaille <akim@lrde.epita.fr>
4895
4896 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
4897 New, default to 1.
4898 * data/yacc.c, data/glr.c, data/location.cc: Use them.
4899 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
4900 default.
4901 * tests/calc.at: Adjust.
4902
49032006-07-08 Akim Demaille <akim@lrde.epita.fr>
4904
4905 * data/c.m4 (b4_basename): New.
4906 (b4_syncline): Also output the location of its invocation (from
4907 the skeleton).
4908 (b4_user_action, b4_define_user_action, b4_user_actions)
4909 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
4910 (b4_user_stype): New.
4911 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
4912
49132006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
4914
4915 In the grammar file, the first column is 1 not 0 on the first line as
4916 on every other line.
4917 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
4918 * tests/input.at (Torturing the Scanner): Update output.
4919
4920 * src/scan-gram.l (scanner_cursor): Declare it static.
4921
49222006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
4923
4924 In warnings, say "previous declaration" rather than "first
4925 declaration".
4926 * src/symtab.c (redeclaration): Do that here.
4927 * src/reader.c (record_merge_function_type): In the case of a result
4928 type clash, report the previous declaration rather than the very first
4929 one in the grammar file.
4930 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
4931 declared later): Add a third declaration to check this behavior.
4932 * tests/input.at (Incompatible Aliases): Update output.
4933
49342006-06-27 Akim Demaille <akim@epita.fr>
4935
4936 * doc/Doxyfile.in: New.
4937 * doc/Makefile.am: Use it.
4938 * src/lalr.h, src/symtab.h: Initial doxygenation.
4939
49402006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
4941
4942 Don't miss %merge result type warnings just because the LHS types are
4943 declared after the %merge. This continues the effort of the previous
4944 patch.
4945 * src/reader.c (get_merge_function): Don't set the merger type yet.
4946 (record_merge_function_type): New function for setting the merger type
4947 and checking for clashes.
4948 (grammar_current_rule_merge_set): Set the location of the %merge for
4949 the current rule.
4950 (packgram): Invoke record_merge_function_type for each rule now that
4951 all symbol type declarations have been parsed.
4952 * src/reader.h (merger_list.type_declaration_location): New member
4953 storing the location of the first %merge from which the type for this
4954 merging function was derived.
4955 * src/symlist.h (symbol_list.merger_declaration_location): New member
4956 storing the location of a rule's %merge, if any.
4957 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
4958 declared later): New test to catch the error fixed by the above patch.
4959
49602006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
4961
4962 Get action warnings (grammar_rule_check) right even when symbol
4963 declarations appear after the rules. Discussed at
4964 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
4965 and
4966 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
4967 Don't mistake the type of $$ in a midrule to be that of its parent
4968 rule's $$.
4969 * src/reader.c (grammar_current_rule_end): Don't invoke
4970 grammar_rule_check yet since not all symbol declarations may have been
4971 parsed yet.
4972 (grammar_midrule_action): Likewise.
4973 Don't record whether the midrule's $$ has been used yet since actions
4974 haven't been translated yet.
4975 Record the midrule's parent rule and its RHS index within the parent
4976 rule.
4977 (grammar_current_rule_action_append): Don't translate the action yet
4978 since not all symbol declarations may have been parsed yet and, thus,
4979 warnings about types for $$, $n, @$, and @n can't be reported yet.
4980 (packgram): Translate the action and invoke grammar_rule_check now that
4981 all symbol declarations have been parsed.
4982 * src/scan-code.l (handle_action_dollar): Now that this is invoked
4983 after parsing the entire grammar file, the symbol list here in the case
4984 of a midrule is actually the midrule's empty RHS, so reference its
4985 parent rule's RHS where necessary.
4986 On the other hand, now that you can already know it's a midrule, you
4987 aren't forced to think $$ has the same type as its parent rule's $$.
4988 (handle_action_at): In the case of a midrule, reference the parent rule
4989 where necessary.
4990 * src/symlist.c (symbol_list_new): Initialize new midrule-related
4991 members.
4992 (symbol_list_length): Now that this is invoked after all rules have
4993 been parsed, a NULL symbol (rather than a NULL symbol list node)
4994 terminates a rule. symbol_list_print already does this correctly.
4995 * src/symlist.h (symbol_list.midrule_parent_rule,
4996 symbol_list.midrule_parent_rhs_index): New members so that midrules can
4997 remember their relationships with their parents.
4998 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
4999 fixed by the above patch.
5000 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
5001 implementing...
5002 (Unused values): ... this old test case and...
5003 (Unused values before symbol declarations): ... this new test case.
5004 This one is the same as `Unused values' except that all symbol
5005 declarations appear after the rules in order to catch the rest of the
5006 errors fixed by the above patch.
5007
50082006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
5009
5010 More cleanup.
5011 * src/reader.c (current_rule): Declare it static since it's no longer
5012 used outside this file.
5013 (grammar_current_rule_action_append): Remove redundant arguments from
5014 translate_rule_action invocation.
5015 * src/reader.h (current_rule): Remove this unused extern.
5016 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
5017 * src/scan-code.l (translate_rule_action): Likewise.
5018
50192006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
5020
5021 Clean up yesterday's patch.
5022 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
5023 to...
5024 * src/reader.c (grammar_current_rule_action_append): ... here for
5025 consistency with grammar_current_rule_symbol_append.
5026 * tests/regression.at (Braced code in declaration in rules section):
5027 Make yyerror and yylex static as usual.
5028
50292006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
5030
5031 Fix bug that mistakes braced code in a declaration in the rules section
5032 to be a rule action. Mentioned at
5033 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
5034 * src/scan-gram.l: Move midrule action detection from the start of the
5035 scanning of any braced code to...
5036 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
5037 action. For readability, use $2 and @2 rather than the equivalent
5038 global variables.
5039 * tests/regression.at (Braced code in declaration in rules section):
5040 New test to catch the error fixed by the above patch.
5041
5042 Work on code readability some.
5043 * src/scan-code.l (current_rule): Get rid of this misleading and
5044 redundant declaration: it's actually extern'ed in reader.h.
5045 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
5046 translate_action): Add a rule argument and use it instead of the global
5047 current_rule.
5048 (translate_rule_action): This already receives current_rule through an
5049 argument, so pass it on to translate_action instead of assigning
5050 current_rule to current_rule.
5051 (translate_symbol_action, translate_code): Pass rule = NULL to
5052 translate_action.
5053
50542006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
5055
5056 Rename %before-definitions to %start-header and %after-definitions to
5057 %end-header. Don't use these declarations to separate pre-prologue
5058 blocks from post-prologue blocks. Add new order-independent
5059 declarations %before-header and %after-header as alternatives to the
5060 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
5061 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
5062 * NEWS (2.3+): Update for these changes.
5063 * data/glr.c (b4_before_definitions): Update to...
5064 (b4_start_header): ... this.
5065 (b4_after_definitions): Update to...
5066 (b4_end_header): ... this.
5067 * data/glr.cc: Likewise.
5068 * data/lalr1.cc: Likewise.
5069 * data/yacc.c: Likewise.
5070 * doc/bison.texinfo (The prologue): Update names, and replace remaining
5071 prologue blocks with %*-header declarations.
5072 (Calc++ Parser): Likewise.
5073 (Decl Summary): Update names.
5074 (Table of Symbols): Update description.
5075 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
5076 (PERCENT_END_HEADER): ... this.
5077 (PERCENT_BEFORE_DEFINITIONS): Update to...
5078 (PERCENT_START_HEADER): ... this.
5079 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
5080 (declaration): Update token names and m4 macro names.
5081 When parsing %end-header and %start-header, invoke translate_code
5082 before muscle_code_grow, and no longer set global booleans to remember
5083 whether these declarations have been seen.
5084 Parse new %after-header and %before-header.
5085 * src/reader.c (before_definitions, after_definitions): Remove.
5086 (prologue_augment): Accept a new bool argument to specify whether to
5087 augment the pre-prologue or post-prologue.
5088 * src/reader.h (before_definitions, after_definitions): Remove these
5089 extern's.
5090 (prologue_augment): Add new bool argument.
5091 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
5092 (PERCENT_END_HEADER): ... this.
5093 (PERCENT_BEFORE_DEFINITIONS): Update to...
5094 (PERCENT_START_HEADER): ... this.
5095 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
5096 * tests/actions.at (Printers and Destructors): Update names.
5097
50982006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
5099
5100 Add comparison operators for C++ location classes. Discussed at
5101 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
5102 * data/c++.m4 (b4_define_location_comparison): New boolean %define
5103 declaration indicating whether filename_type has an operator==. If
5104 filename_type is `std::string', it defaults to `1', `0' otherwise.
5105 * data/location.cc: Iff b4_define_location_comparison is `1', add
5106 operator== and operator!= for class position and for class location.
5107
5108 Some minor fixes.
5109 * src/scan-action.l: Remove unused file.
5110 * src/symtab.c (symbol_printer_set): Use printer_location not
5111 destructor_location.
5112 * src/symtab.h (struct symbol): Replace incorrect source comment for
5113 printer members.
5114 * tests/input.at (Incompatible Aliases): Update output with correct
5115 printer location.
5116
51172006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
5118
5119 Don't put the pre-prologue in the header file. For the yacc.c code
5120 file and the glr.c header and code files, move the pre-prologue before
5121 the token definitions. Add new %before-definitions and
5122 %after-definitions to declare code that will go in both the header file
5123 and code file. Discussed at
5124 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
5125 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
5126 and
5127 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
5128 * NEWS (2.3+): Describe these changes.
5129 * data/glr.c (b4_pre_prologue): Move from within to before...
5130 (b4_shared_declarations): ... this.
5131 Add new b4_before_definitions before b4_token_enums.
5132 Add new b4_after_definitions at the end.
5133 * data/glr.cc (b4_pre_prologue): Replace with...
5134 (b4_before_definitions): ... this in the header file.
5135 (b4_after_definitions): New near the end of the header file.
5136 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
5137 code file right before including the header file.
5138 (b4_before_definitions): New in the previous position of
5139 b4_pre_prologue in the header file.
5140 (b4_after_definitions): New near the end of the header file.
5141 * data/yacc.c: Clean up some m4 quoting especially in the header file.
5142 (b4_token_enums_defines): In the code file, move to right before
5143 YYSTYPE for consistency with the header file.
5144 (b4_before_definitions): New right before b4_token_enums_defines in
5145 both the header and code file.
5146 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
5147 header and code file.
5148 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
5149 of prologues for %union dependencies.
5150 (Decl Summary): In %defines description, mention the effect of
5151 %before-definitions and %after-definitions on the header file.
5152 (Calc++ Parser): Forward declare driver in a %before-definitions rather
5153 than in the pre-prologue so that make check succeeds.
5154 (Table of Symbols): Add entries for %before-definitions and
5155 %after-definitions.
5156 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
5157 %before-definitions.
5158 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
5159 (declaration): Parse those declarations and append to
5160 b4_before_definitions and b4_after_definitions, respectively.
5161 * src/reader.c (before_definitions, after_definitions): New bools to
5162 track whether those declarations have been seen.
5163 (prologue_augment): Add to the post-prologue if %union,
5164 %before-definitions, or %after-definitions has been seen.
5165 * src/reader.h (before_definitions, after_definitions): New extern's.
5166 * src/scan-gram.l: Scan the new declarations.
5167 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
5168 prologue block in a %before-definitions or a %after-definitions based
5169 on whether the %union is declared.
5170 * tests/regression.at (Early token definitions with --yacc, Early token
5171 definitions without --yacc): Move tests for token definitions into the
5172 post-prologue since token names are no longer defined in the
5173 pre-prologue.
5174
51752006-06-20 Akim Demaille <akim@epita.fr>
5176
5177 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
5178 (symbol_get): Use it.
5179 * src/parse-gram.y: Use it.
5180
51812006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
5182
5183 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
5184 build succeeds when configured with --enable-gcc-warnings.
5185
51862006-06-19 Paul Eggert <eggert@cs.ucla.edu>
5187
5188 * src/parse-gram.y (char_name): New function.
5189 (CHAR, STRING, string_content): For %printer, properly escape.
5190 (ID): Prefer fputs to fprintf.
5191 (id): Reindent to be consistent with other rules.
5192 Properly quote char.
5193
5194 The Translation Project changed its way of publishing translations
5195 to maintainers. I haven't received any responses to my request
5196 for supporting the old way, or for documenting the new way. I
5197 have modified 'bootstrap' to use screen scraping
5198 (in this case, HTML scraping). This is unreliable and inelegant,
5199 but I don't see any better way. Yuck.
5200 * bootstrap (TP_URL, WGET_COMMAND): New vars.
5201 (get_translations): New function, which uses HTML scraping to
5202 deduce locations of latest translations.
5203 Use this function to grab both bison and bison-runtime .po files.
5204 Don't bother priming the pump for the runtime-po domain any more,
5205 as it's now translated better than bison is.
5206
52072006-06-19 Akim Demaille <akim@epita.fr>
5208
5209 * src/scan-gram.l: No longer "parse" things after `%union' until
5210 `{'. Rather, return a single "%union" token.
5211 No longer make symbols: return strings, and leave the conversion
5212 to symbols to the parser.
5213 (SC_PRE_CODE, token_type): Remove.
5214 * src/parse-gram.y (%union): New field `character'.
5215 Sort tokens.
5216 (CHAR): New token.
5217 (ID, ID_COLON): Now that the scanner no longer makes them
5218 identifiers, adjust all uses to invoke symbol_get.
5219 (id_colon): New, wraps the conversion from string to symbol.
5220 (%union): Accept a possible union_name.
5221 (symbol): Now can be a char.
5222 * data/c.m4 (b4_union_name): Leave a default value.
5223 * data/glr.c, data/yacc.c: Use it.
5224
52252006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
5226
5227 For associating token numbers with token names for "yacc.c", don't use
5228 #define statements unless `--yacc' is specified; always use enum
5229 yytokentype. Most important discussions start at:
5230 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
5231 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
5232 and
5233 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
5234 * NEWS (2.3+): Mention.
5235 * data/c.m4 (b4_yacc_if): New.
5236 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
5237 token #define's.
5238 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
5239 on token name definitions.
5240 * src/getargs.c (usage): Capitalize `Yacc' in English.
5241 * src/output.c (prepare): Define b4_yacc_flag.
5242 * tests/regression.at (Early token definitions): Test that tokens names
5243 are defined before the pre-prologue not just before the post-prologue.
5244 Remove this test case and copy to...
5245 (Early token definitions with --yacc): ... this to test #define's.
5246 (Early token definitions without --yacc): ... and this to test enums.
5247
52482006-06-11 Paul Eggert <eggert@cs.ucla.edu>
5249
5250 * NEWS: Reword the post-2.3 change to not be so optimistic about
5251 removing the old "look-ahead" spelling.
5252 Update previous look-ahead/lookahead change reports.
5253 * REFERENCES: look-ahead -> lookahead (since that's
5254 what he actually wrote).
5255 * doc/refcard.tex: look ahead -> lookahead,
5256 look-ahead -> lookahead
5257
52582006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
5259
5260 For consistency, use `lookahead' instead of `look-ahead' or
5261 `look_ahead'. Discussed starting at
5262 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
5263 and then at
5264 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
5265 * NEWS: For the next release, note the change to `--report'.
5266 * TODO, doc/bison.1: Update English.
5267 * doc/bison.texinfo: Update English.
5268 (Understanding Your Parser, Bison Options): Document as
5269 `--report=lookahead' rather than `--report=look-ahead'.
5270 * src/conflicts.c: Update English in comments.
5271 (lookahead_set): Rename from look_ahead_set.
5272 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
5273 (resolve_sr_conflict): Rename local look_ahead_tokens to
5274 lookahead_tokens, and update other uses.
5275 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
5276 count_rr_conflicts, conflicts_free): Update uses.
5277 * src/getargs.c (report_args): Move "lookahead" before alternate
5278 spellings.
5279 (report_types): Update uses.
5280 (usage): For `--report' usage description, state `lookahead' spelling
5281 rather than `look-ahead'.
5282 * src/getargs.h (report.report_lookahead_tokens): Rename from
5283 report_look_ahead_tokens.
5284 * src/lalr.c: Update English in comments.
5285 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
5286 (state_lookahead_tokens_count): Rename from
5287 state_look_ahead_tokens_count.
5288 Rename local n_look_ahead_tokens to n_lookahead_tokens.
5289 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
5290 Rename local n_look_ahead_tokens to n_lookahead_tokens.
5291 Update other uses.
5292 Update English in output.
5293 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
5294 * src/print.c: Update English in comments.
5295 (lookahead_set): Rename from look_ahead_set.
5296 (print_reduction): Rename argument lookahead_token from
5297 look_ahead_token.
5298 (print_core, state_default_rule, print_reductions, print_results):
5299 Update uses.
5300 * src/print_graph.c: Update English in comments.
5301 (print_core): Update uses.
5302 * src/state.c: Update English in comments.
5303 (reductions_new): Update uses.
5304 (state_rule_lookahead_tokens_print): Rename from
5305 state_rule_look_ahead_tokens_print, and update other uses.
5306 * src/state.h: Update English in comments.
5307 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
5308 (state_rule_lookahead_tokens_print): Rename from
5309 state_rule_look_ahead_tokens_print.
5310 * src/tables.c: Update English in comments.
5311 (conflict_row, action_row): Update uses.
5312 * tests/glr-regression.at
5313 (Incorrect lookahead during deterministic GLR,
5314 Incorrect lookahead during nondeterministic GLR): Rename
5315 print_look_ahead to print_lookahead.
5316 * tests/torture.at: Update English in comments.
5317 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
5318 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
5319 (Many lookahead tokens): Update uses.
5320 * data/glr.c: Update English in comments.
5321 * lalr1.cc: Likewise.
5322 * yacc.c: Likewise.
5323 * src/conflicts.h: Likewise.
5324 * src/lalr.h: Likewise.
5325 * src/main.c: Likewise.
5326 * src/output.c: Likewise.
5327 * src/parse-gram.c: Likewise.
5328 * src/tables.h: Likewise.
5329 * tests/calc.at: Likewise.
5330
53312006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
5332
5333 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
5334
53352006-06-07 Paul Eggert <eggert@cs.ucla.edu>
5336
5337 * TODO: Add request from Nelson H. F. Beebe to be able to install
5338 Bison without installing the yacc script.
5339
53402006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
5341
5342 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
5343 and yytext if they're already #define'd.
5344 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
5345 * src/scan-code-c.c: ... here.
5346 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
5347 <config.h>.
5348
53492006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
5350
5351 Get Bison to build again when configured with --enable-gcc-warnings.
5352 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
5353 missing #include's.
5354 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
5355 loc argument as it shadows a global.
5356 * src/scan-gram.l: Remove stray comma that prevents boundary_set
5357 invocation.
5358
5359 * src/.cvsignore: Add scan-code.c.
5360
53612006-06-07 Akim Demaille <akim@epita.fr>
5362
5363 * src/scan-gram.l: Move the "add a trailing ; to actions" code
5364 to...
5365 * src/scan-code.l: here.
5366 * tests/input.at (Torturing the Scanner): Fix another location
5367 error.
5368
53692006-06-07 Akim Demaille <akim@epita.fr>
5370
5371 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
5372
53732006-06-06 Akim Demaille <akim@epita.fr>
5374
5375 Extract the parsing of user actions from the grammar scanner.
5376 As a consequence, the relation between the grammar scanner and
5377 parser is much simpler. We can also split "composite tokens" back
5378 into simple tokens.
5379 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
5380 * src/scan-gram.l (add_column_width, adjust_location): Move to and
5381 rename as...
5382 * src/location.h, src/location.c (add_column_width)
5383 (location_compute): these.
5384 Fix the column count: the initial column is 0.
5385 (location_print): Be robust to ending column being 0.
5386 * src/location.h (boundary_set): New.
5387 * src/main.c: Adjust to scanner_free being renamed as
5388 gram_scanner_free.
5389 * src/output.c: Include scan-code.h.
5390 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
5391 Use boundary_set.
5392 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
5393 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
5394 which is now, again, a separate token.
5395 Adjust all dependencies.
5396 Whereever actions with $ and @ are used, use translate_code.
5397 (action): Remove this nonterminal which is now useless.
5398 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
5399 (grammar_current_rule_action_append): Use translate_code.
5400 (packgram): Bound check ruleno, itemno, and rule_length.
5401 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
5402 (last_string, last_braced_code_loc, max_left_semantic_context)
5403 (scanner_initialize, scanner_free, scanner_last_string_free)
5404 (gram_out, gram_lineno, YY_DECL_): Move to...
5405 * src/scan-gram.h: this new file.
5406 (YY_DECL): Rename as...
5407 (GRAM_DECL): this.
5408 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
5409 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
5410 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
5411 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
5412 Move these declarations, and...
5413 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
5414 these to...
5415 * src/flex-scanner.h: this new file.
5416 * src/scan-gram.l (rule_length, rule_length_overflow)
5417 (increment_rule_length): Remove.
5418 (last_braced_code_loc): Rename as...
5419 (gram_last_braced_code_loc): this.
5420 Adjust to the changes of the parser.
5421 Move all the handling of $ and @ into...
5422 * src/scan-code.l: here.
5423 * src/scan-gram.l (handle_dollar, handle_at): Remove.
5424 (handle_action_dollar, handle_action_at): Move to...
5425 * src/scan-code.l: here.
5426 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
5427 scan-code.h, scan-code-c.c, scan-gram.h.
5428 (EXTRA_bison_SOURCES): Add scan-code.l.
5429 (BUILT_SOURCES): Add scan-code.c.
5430 (yacc): Be robust to white spaces.
5431
5432 * tests/conflicts.at, tests/input.at, tests/reduce.at,
5433 * tests/regression.at: Adjust the column numbers.
5434 * tests/regression.at: Adjust the error message.
5435
54362006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
5437
5438 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
5439 Use Akim's wording from
5440 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
5441
54422006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
5443
5444 Between Bison releases, manually append `+' to the previous Bison
5445 release number, and use that as a signal to automatically print the
5446 ChangeLog's CVS Id keyword from --version. Discussed starting at
5447 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
5448 * ChangeLog: Add Id header.
5449 * configure.ac (AC_INIT): Append `+' to `2.3'.
5450 * src/.cvsignore: Add revision.c.
5451 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
5452 (BUILT_SOURCES): Add revision.c.
5453 (revision.c): New target rule. This file defines a new global variable
5454 named revision. It initializes it with either the Id from ChangeLog
5455 or, if VERSION doesn't contain `+', with the empty string.
5456 * src/getargs.c (version): Print the value of revision.
5457 * src/revision.h: Extern revision.
5458
54592006-06-05 Paul Eggert <eggert@cs.ucla.edu>
5460
5461 * NEWS: Version 2.3.
5462 * configure.ac (AC_INIT): Likewise.
5463
54642006-05-30 Paul Eggert <eggert@cs.ucla.edu>
5465
5466 * data/glr.c (YYRECOVERING): Define to be a function-like macro
5467 with no arguments, not as an object-like macro. This is for
5468 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
5469 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
5470 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
5471 Document this.
5472
54732006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
5474
5475 * src/getargs.c (usage): Back out yesterday's modification of the
5476 --help output so that we don't have to wait for translation before
5477 releasing 2.3.
5478
54792006-05-29 Paul Eggert <eggert@cs.ucla.edu>
5480
5481 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
5482 Problem reported by Akim Demaille.
5483
54842006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
5485
5486 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
5487
54882006-05-26 Paul Eggert <eggert@cs.ucla.edu>
5489
5490 * data/yacc.c (yy_reduce_print): Omit trailing white space in
5491 generated source code. Problem reported by Frans Englich in
5492 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
5493
54942006-05-22 Paul Eggert <eggert@cs.ucla.edu>
5495
5496 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
5497 shell, not within 'make', so that 'make' by an ordinary builder
5498 (using GNU make) does not worry about configuring gzip. This also
5499 works around a bug reported independently by Keith Thompson and by
5500 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
5501 stderr rather than stdout, messing up the build logs.
5502
55032006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
5504
5505 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
5506 to make sure that YYID will never be unused. This fixes a 'make
5507 maintainer-check' failure caused by the recent changes to the 'Trivial
5508 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
5509 not used.
5510 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
5511
55122006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
5513
5514 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
5515 state before an empty RHS is always resolved here. Only the location
5516 of that state is guaranteed to be resolved, and that's enough. This
5517 fixes the remaining bug reported by Derek M. Jones in
5518 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
5519 * tests/glr-regression.at (Uninitialized location when reporting
5520 ambiguity): Test the above case.
5521 Also, the embedded comments in this test case claim it checks the case
5522 of an empty RHS that has inherited the initial location. However, the
5523 corresponding LHS was already resolved, so yyresolveLocations didn't
5524 actually have reason to modify it. Fix this by forcing
5525 nondeterministic operation at the beginning of the parse.
5526
55272006-05-20 Paul Eggert <eggert@cs.ucla.edu>
5528
5529 * data/c.m4 (b4_yy_symbol_print_generate):
5530 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
5531 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
5532 of the bugs reported today by Derek M Jones in
5533 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
5534 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
5535 defined to be a type name without parens or brackets.
5536 (Location Type): Similarly for YYLTYPE.
5537 * tests/regression.at (Trivial grammars): Put in a test for this
5538 bug that will be caught by 'make maintainer-check' (though not,
5539 alas, by 'make check' unless your compiler is picky).
5540
55412006-05-19 Paul Eggert <eggert@cs.ucla.edu>
5542
5543 * NEWS: Version 2.2.
5544 * configure.ac (AC_INIT): Likewise.
5545
55462006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
5547
5548 * data/glr.c (yyreportTree): Make room in yystates for the state
5549 preceding the RHS. This fixes the segmentation fault reported by Derek
5550 M. Jones in
5551 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
5552 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
5553 to the user. Reported for yyreportTree by Derek M. Jones later in the
5554 same thread.
5555 * THANKS: Add Derek M. Jones.
5556 Update my email address.
5557 Fix typo in Steve Murphy's name.
5558
55592006-05-14 Paul Eggert <eggert@cs.ucla.edu>
5560
5561 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
5562 checking against YYLAST that caused the parser to miss a potential
5563 alternative in its diagnostic.
5564 Problem reported by Maria Jose Moron Fernandez in
5565 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
5566 * data/lalr1.cc (yysyntax_error_): Likewise.
5567 * data/yacc.c (yysyntax_error): Likewise.
5568 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
5569 tokens, in case we run into an older C compiler.
5570 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
5571 Use them to check for the off-by-one error fixed above.
5572
5573 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
5574 YYSIZE_T, not size_t.
5575 * tests/regression.at (Trivial grammars): New test, to catch
5576 the error fixed by the above patch.
5577
55782006-05-14 Akim Demaille <akim@lrde.epita.fr>
5579
5580 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
5581 scheme.
5582 Reported by Steve Murphy.
5583
55842006-05-14 Akim Demaille <akim@lrde.epita.fr>
5585
5586 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
5587 * data/glr.cc: b4_location_flag is now b4_locations_flag.
5588
55892006-05-14 Akim Demaille <akim@lrde.epita.fr>
5590
5591 Implement --trace=m4.
5592 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
5593 * src/output.c (output_skeleton): When set, pass -dV to m4.
5594
5595 Factor the handling of flags in m4.
5596 * src/output.c (prepare): Rename the muscle names debug, defines,
5597 error_verbose to debug_flag, defines_flag, error_verbose_flag.
5598 * data/c.m4: Adjust.
5599 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
5600 Use b4_define_flag_if to define other b4_FLAG_if macros.
5601 (b4_location_if): As a consequence, rename as...
5602 (b4_locations_if): this, for consistency.
5603 Adjust all the skeletons.
5604
56052006-05-14 Akim Demaille <akim@lrde.epita.fr>
5606
5607 * etc/bench.pm: Shorten bench names.
5608
56092006-05-14 Akim Demaille <akim@lrde.epita.fr>
5610
5611 * src/output.h, src/output.c (error_verbose): Move to...
5612 * src/getargs.h, src/getargs.c: here.
5613 Sort the flags.
5614 Adjust dependencies.
5615
56162006-05-13 Paul Eggert <eggert@cs.ucla.edu>
5617
5618 * data/c.m4 (b4_copyright): Put the special exception for Bison
5619 skeletons here, so we don't have to put it in each skeleton. All
5620 uses changed. Suggested by Akim Demaille. Also, wrap the
5621 copyright notice, in case it is longer than 80 columns. Replace
5622 comma by newline after title.
5623
56242006-05-11 Paul Eggert <eggert@cs.ucla.edu>
5625
5626 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
5627 incompatibility, not a bug. Mention that it wasn't fixed as of
5628 flex 2.5.33.
5629
56302006-05-11 Akim Demaille <akim@lrde.epita.fr>
5631
5632 * examples/extexi: Enforce the precedence of concatenation over
5633 >>.
5634 Reported by Tommy Nordgren.
5635
56362006-05-11 Akim Demaille <akim@lrde.epita.fr>
5637
5638 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
5639 with the member "token".
5640 Reported by Martin Nylin.
5641
56422006-05-08 Paul Eggert <eggert@cs.ucla.edu>
5643
5644 * data/glr.c: Switch to Bison 2.2 special-exception language in
5645 the copyright notice. Use more-regular format for titles and
5646 copyright notices.
5647 * data/glr.cc: Likewise.
5648 * data/location.cc: Likewise.
5649 * data/yacc.cc: Likewise.
5650 * doc/bison.texinfo (Conditions): Document this.
5651 * NEWS: likewise. Upgrade version to 2.2.
5652
56532006-04-27 Akim Demaille <akim@lrde.epita.fr>
5654
5655 * data/glr.cc: Remove dead code.
5656
56572006-04-25 Paul Eggert <eggert@cs.ucla.edu>
5658
5659 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
5660 that variable and the line breaks the bootstrap. Problem reported
5661 by Juan M. Guerrero.
5662
56632006-04-24 Akim Demaille <akim@lrde.epita.fr>
5664
5665 * doc/bison.texinfo (Multiple start-symbols): New.
5666
56672006-04-24 Akim Demaille <akim@lrde.epita.fr>
5668
5669 * etc/README, etc/bench.pl: New.
5670
56712006-04-03 Akim Demaille <akim@lrde.epita.fr>
5672
5673 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
5674 rule.
5675 Reported by Mickael Labau.
5676 * tests/input.at (Torturing the Scanner): Test it.
5677
56782006-03-16 Paul Eggert <eggert@cs.ucla.edu>
5679
5680 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
5681 Problem reported by Bob Rossi.
5682
56832006-03-13 Paul Eggert <eggert@cs.ucla.edu>
5684
5685 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
5686 and didn't really work.
5687 For the index, use @ifnotinfo, not @iftex.
5688 Minor cleanups of spacing and terminology.
5689
56902006-03-12 Akim Demaille <akim@lrde.epita.fr>
5691
5692 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
5693 of AT_NAME_PREFIX when %name-prefix is not used.
5694
56952006-03-12 Akim Demaille <akim@lrde.epita.fr>
5696
5697 Apply --prefix to C++ skeletons too: they change the namespace.
5698 The test suite already exercize these cases.
5699 * data/c++.m4 (b4_namespace): New.
5700 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
5701 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
5702 * data/yacc.c, data/glr.c: Remove a useless `[]'.
5703 * doc/bison.texinfo: Document it.
5704 (Option Cross Key): Use @multitable in all formats. It looks
5705 nicer, even in TeX outputs.
5706 (Rules): Use the same code whatever the output type is.
5707 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
5708 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
5709 * tests/calc.at: Use it, instead of hard coding `yy'.
5710
57112006-03-10 Akim Demaille <akim@lrde.epita.fr>
5712
5713 * TODO: Remove dead items.
5714
57152006-03-10 Akim Demaille <akim@lrde.epita.fr>
5716
5717 * doc/FAQ: Remove, merged into...
5718 * doc/bison.texinfo (FAQ): this.
5719 * doc/Makefile.am (EXTRA_DIST): Adjust.
5720
57212006-03-10 Akim Demaille <akim@lrde.epita.fr>
5722
5723 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
5724 even if empty.
5725 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
5726 * doc/bison.texinfo (Calc++ Scanner): Use it.
5727
57282006-03-09 Paul Eggert <eggert@cs.ucla.edu>
5729
5730 Fix two nits reported by twlevo, plus one more that I discovered.
5731
5732 * src/assoc.h (assoc_to_string): Give a name to the arg, as
5733 this is the usual Bison style.
5734 * src/location.h (location_print): Likewise.
5735
5736 * src/reader.h (token_name): Likewise.
5737
57382006-03-08 Paul Eggert <eggert@cs.ucla.edu>
5739
5740 Fix some nits reported by twlevo.
5741 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
5742 and "POSIX". Use more-modern syntax for URLs. Mention C++
5743 and ask for Java. Don't hardwire OS version numbers. Add
5744 copyright notice.
5745 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
5746 * src/conflicts.c (solved_conflicts_obstack): Now static.
5747
57482006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
5749
5750 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
5751 page. Say "you can use it" not "you may use it" as on the web page;
5752 we're describing capabilities not granting permission.
5753
57542006-03-06 Paul Eggert <eggert@cs.ucla.edu>
5755
5756 * data/glr.c (yyresolveLocations): Rename local variables to avoid
5757 shadowing warnings. Use usual patter for iterating through RHS.
5758 * tests/glr-regression.at
5759 (Uninitialized location when reporting ambiguity):
5760 Modify yylex so that it uses its argument, rather than trying
5761 to rely on ARGSUSED (which doesn't work for gcc with warnings).
5762 const char -> char const.
5763
5764 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
5765 Don't use tabs inside commands; it messes up 'ps'.
5766 Problem reported by twlevo.
5767
57682006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
5769
5770 * tests/glr-regression.at (Uninitialized location when reporting
5771 ambiguity): New test case.
5772 * data/glr.c (yyresolveLocations): New function, which uses
5773 YYLLOC_DEFAULT.
5774 (yyresolveValue): Invoke yyresolveLocations before reporting an
5775 ambiguity.
5776 * doc/bison.texinfo (Default Action for Locations): Note
5777 YYLLOC_DEFAULT's usage for ambiguity locations.
5778 (GLR Semantic Actions): Cross-reference those notes.
5779
57802006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
5781
5782 * tests/glr-regression.at (Leaked semantic values when reporting
5783 ambiguity): Remove unnecessary union and type declarations.
5784 (Leaked lookahead after nondeterministic parse syntax error): New test
5785 case.
5786 * data/glr.c (yyparse): Check for zero stacks remaining before
5787 attempting to shift the lookahead so that you don't lose it.
5788
57892006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
5790
5791 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
5792 * tests/glr-regression.at (Leaked semantic values when reporting
5793 ambiguity): New test case.
5794 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
5795 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
5796 now unnecessary yystackp parameter.
5797 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
5798 destructors can be called.
5799
5800 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
5801 in existing testcases.
5802
58032006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
5804
5805 Don't leak semantic values for parent RHS when a user action cuts the
5806 parser, and clean up related code a bit.
5807 * tests/glr-regression.at (Leaked merged semantic value if user action
5808 cuts parse): Rename to...
5809 (Leaked semantic values if user action cuts parse): ... this. Add check
5810 for leaked parent RHS values.
5811 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
5812 between an unresolved state (non-empty chain of semantic options) and
5813 an incomplete one (signaled by an empty chain).
5814 (yyresolveStates): Document the interface. Move all manipulation of a
5815 successfully or unsuccessfully resolved yyGLRState to...
5816 (yyresolveValue): ... here so that yyresolveValue always leaves a
5817 yyGLRState with consistent data and thus is easier to understand.
5818 Remove the yyvalp and yylocp parameters since they are always just
5819 taken from the yys parameter. When reporting a discarded merged value
5820 in debugging output, note that it is incompletely merged. Document the
5821 interface.
5822 (yyresolveAction): If resolving any of the RHS states fails, destroy
5823 them all rather than leaking them. Thus, as long as user actions are
5824 written to clean up the RHS correctly, yyresolveAction always cleans up
5825 the RHS of a semantic option. Document the interface.
5826
58272006-02-27 Paul Eggert <eggert@cs.ucla.edu>
5828
5829 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
5830 led to a segmentation fault in GNU Pascal. Problem reported
5831 by Waldek Hebisch.
5832
58332006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
5834
5835 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
5836 mid-rule action inside a nonterminal symbol in order to declare a
5837 destructor for its semantic value.
5838
58392006-02-16 Paul Eggert <eggert@cs.ucla.edu>
5840
5841 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
5842 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
5843 __cplusplus && ! defined _STDLIB_H && !
5844 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
5845 defined free))]: Include <stdlib.h> rather than rolling our own
5846 declarations of malloc and free, to avoid problems with
5847 incompatible declarations (using 'throw') C++'s stdlib.h. This
5848 should fix Debian bug 340012
5849 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
5850 reported by Guillaume Melquiond.
5851
58522006-02-13 Paul Eggert <eggert@cs.ucla.edu>
5853
5854 * NEWS: Clarify symbols versus types in unused-value warnings.
5855
5856 * configure.ac (AC_INIT): Bump version number.
5857
58582006-02-13 Paul Eggert <eggert@cs.ucla.edu>
5859
5860 * NEWS: Version 2.1a.
5861 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
5862 since C99 requires this.
5863
58642006-02-11 Paul Eggert <eggert@cs.ucla.edu>
5865
5866 * m4/c-working.m4: New file.
5867 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
5868
58692006-02-10 Paul Eggert <eggert@cs.ucla.edu>
5870
5871 * Makefile.maint: Merge from coreutils.
5872
58732006-02-09 Paul Eggert <eggert@cs.ucla.edu>
5874
5875 More portability fixes for problems summarized by Nelson H. F. Beebe.
5876
5877 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
5878 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
5879 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
5880 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
5881 messes up because C++ code is compiled in 32-bit mode but linked
5882 in 64-bit mode.
5883
58842006-02-08 Paul Eggert <eggert@cs.ucla.edu>
5885
5886 More portability fixes for problems summarized by Nelson H. F. Beebe.
5887
5888 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
5889 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
5890
5891 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
5892 nodist_PROGRAMS, since we don't need to actually compile the
5893 example if we're just doing a plain 'make'. This avoids bothering
5894 the installer unnecessarily about problems due to weird C++
5895 compilers.
5896
58972006-02-06 Paul Eggert <eggert@cs.ucla.edu>
5898
5899 More portability fixes for problems summarized by Nelson H. F. Beebe.
5900
5901 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
5902 than #include "...", and compile with -I'.'. The old method was
5903 not portable, according to Posix and the C standard, and it does
5904 not work with Sun C 5.7, where previous #line directives affect
5905 the working directory used in later #include "..." directives.
5906
59072006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5908
5909 Various DJGGP specific issues in /djgpp
5910
59112006-02-02 Paul Eggert <eggert@cs.ucla.edu>
5912
5913 More portability fixes for problems summarized by Nelson H. F. Beebe.
5914
5915 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
5916 '#include <map>' works and that you can apply ++ to iterators.
5917
59182006-02-01 Paul Eggert <eggert@cs.ucla.edu>
5919
5920 Work around portability problems summarized by Nelson H. F. Beebe in
5921 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
5922
5923 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
5924 that '#include <string>' works.
5925
5926 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
5927 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
5928 "warning: sorry: semantics of inline function static data `const
5929 unsigned char translate_table[262]' are wrong (you'll wind up with
5930 multiple copies)".
5931
5932 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
5933 or, xor to not_, and_, or_, and xor_, respectively. This works
5934 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
5935 random system header somewhere that includes the equivalent of
5936 <iso646.h>.
5937
5938 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
5939 -E" works; it apparently doesn't work with PathScale EKO Compiler
5940 Suite Version 2.0.
5941
59422006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
5943
5944 During deterministic GLR operation, user actions should be able to
5945 influence the parse by changing yychar. To make this easier to fix and
5946 to make glr.c easier to evolve in general, don't maintain yytoken in
5947 parallel with yychar; just compute yytoken when needed.
5948 * tests/glr-regression.at (Incorrect lookahead during deterministic
5949 GLR): Check that setting yychar in a user action has the intended
5950 effect.
5951 * data/glr.c (yyGLRStack): Remove yytokenp member.
5952 (yyclearin): Don't set *yytokenp.
5953 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
5954 yychar rather than *yytokenp to determine the current lookahead.
5955 Compute yytoken locally when needed.
5956 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
5957 point to.
5958
5959 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
5960 after `--report' documentation.
5961
59622006-01-30 Paul Eggert <eggert@cs.ucla.edu>
5963
5964 * src/parse-gram.y (grammar_declaration): Location of printer
5965 symbol is @1, not list->location. Bug reported by twlevo.
5966 * tests/input.at (Incompatible Aliases): Adjust to above change.
5967
59682006-01-29 Paul Eggert <eggert@cs.ucla.edu>
5969
5970 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
5971 all the test at once. This makes the output easier to read in the
5972 normal case.
5973
5974 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
5975 got from <http://bro-ids.org/download.html>. The bug is that
5976 when two actions appeared in succession, the second one was
5977 scanned before the first one was added to the grammar rule
5978 as a midrule action. Bison then output the incorrect warning
5979 "parse.y:905.17-906.36: warning: unused value: $3".
5980 * src/parse-gram.y (BRACED_CODE, action): These are no longer
5981 associated with a value.
5982 (rhs): Don't invoke grammar_current_rule_action_append.
5983 (action): Invoke it here instead.
5984 * src/reader.c (grammar_midrule_action): Now extern.
5985 (grammar_current_rule_action_append): Don't invoke
5986 grammar_midrule_action; that is now the scanner's job.
5987 * src/reader.h (last_string, last_braced_code_loc):
5988 (grammar_midrule_action): New decls.
5989 * src/scan-gram.l (last_string): Now extern, sigh.
5990 (last_braced_code_loc): New extern variable.
5991 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
5992 rule already has an action.
5993 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
5994 * tests/input.at (AT_CHECK_UNUSED_VALUES):
5995 Add some tests to check that the above changes fixed the bug.
5996
59972006-01-27 Paul Eggert <eggert@cs.ucla.edu>
5998
5999 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
6000 All used changed. Check whether the symbol has a destructor,
6001 not whether it is typed.
6002 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
6003 that the values are still reported as unused. All line numbers
6004 adjusted.
6005
60062006-01-23 Paul Eggert <eggert@cs.ucla.edu>
6007
6008 Work around a bug in bro 0.8, which underparenthesizes its
6009 definition of YYLLOC_DEFAULT.
6010 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
6011 their arguments.
6012 * data/lalr1.cc: Likewise.
6013 * data/yacc.cc: Likewise.
6014
60152006-01-22 Paul Eggert <eggert@cs.ucla.edu>
6016
6017 Work around a bug in Pike 7.0, and give the Pike folks a
6018 better way to override the usual int widths.
6019 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
6020 user can override the types.
6021 (short): #undef, to work around a bug in Pike 7.0.
6022 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
6023 (union yyalloc.yyss): Use yytype_int16 rather than short.
6024 All uses changed.
6025 (yysigned_char): Remove.
6026 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
6027 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
6028 * tests/regression.at (Web2c Actions): Adjust to above changes.
6029
6030 * src/reader.c (check_and_convert_grammar): New function.
6031 (reader): Close the input file even if something went wrong during
6032 parsing. Minor file descriptor leak reported by twlevo.
6033
6034 * src/assoc.c (assoc_to_string): Use a default: abort (); case
6035 to pacify gcc -Wswitch-default.
6036 * src/scan-gram.l (adjust_location): Use a default: break; case
6037 to pacify gcc -Wswitch-default.
6038 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
6039 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
6040 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
6041 Move these decls to scan-skel.l, since they don't need to be
6042 visible elsewhere.
6043 * src/scan-skel.l: Accept the above decls.
6044 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
6045 is used.
6046
60472006-01-21 Paul Eggert <eggert@cs.ucla.edu>
6048
6049 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
6050 since we don't want to insist on a version number at the start
6051 of the changelog every time.
6052 * Makefile.maint: Sync from coreutils a bit better.
6053 (sc_trailing_blank): Renamed from sc_trailing_space.
6054 All uses changed.
6055 (sc_no_if_have_config_h, sc_require_config_h):
6056 (sc_prohibit_assert_without_use): New rules.
6057 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
6058 (sc_dd_max_sym_length): Fix leading spaces in rule.
6059 (sc_system_h_headers): Prefix with @.
6060 (sc_useless_cpp_parens, m4-check): Output line numbers.
6061 (changelog-check): Allow version only in head.
6062 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
6063 satisfy new Makefile.maint rule.
6064 * data/glr.c: Likewise.
6065 * data/glr.cc: Likewise.
6066 * data/lalr1.cc: Likewise.
6067 * data/yacc.c: Likewise.
6068 * lib/ebitsetv.c: Likewise.
6069 * lib/lbitset.c: Likewise.
6070 * lib/subpipe.c: Likewise.
6071 * lib/timevar.c: Likewise.
6072 * src/system.h: Likewise.
6073 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
6074 * djgpp/Makefile.maint: Add copyright notice.
6075 * djgpp/README.in: Likewise.
6076 * djgpp/config.bat: Likewise.
6077 * djgpp/config.site: Likewise.
6078 * djgpp/config_h.sed: Likewise.
6079 * djgpp/djunpack.bat: Likewise.
6080 * djgpp/config.sed: Fix copyright notice to match standard format.
6081 * djgpp/subpipe.h: Likewise.
6082 * lib/bitsetv-print.c: Likewise.
6083 * lib/bitsetv.c: Likewise.
6084 * lib/subpipe.h: Likewise.
6085 * lib/timevar.c: Likewise.
6086 * lib/timevar.h: Likewise.
6087 * djgpp/subpipe.c: Use standard recipe for config.h.
6088 * lib/abitset.c: Likewise.
6089 * lib/bitset.c: Likewise.
6090 * lib/bitset_stats.c: Likewise.
6091 * lib/bitsetv-print.c: Likewise.
6092 * lib/bitsetv.c: Likewise.
6093 * lib/ebitsetv.c: Likewise.
6094 * lib/get-errno.c: Likewise.
6095 * lib/lbitset.c: Likewise.
6096 * lib/subpipe.c: Likewise.
6097 * lib/timevar.c: Likewise.
6098 * lib/vbitset.c: Likewise.
6099 * tests/local.at: Likewise.
6100 * src/scan-gram.l: Don't include verify.h, since system.h does
6101 that for us.
6102 * .x-sc_require_config_h: New file.
6103 * .x-sc_unmarked_diagnostics: New file.
6104
61052006-01-20 Paul Eggert <eggert@cs.ucla.edu>
6106
6107 Be a bit more systematic about using 'abort'.
6108 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
6109 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
6110 Put 'default: abort ();' before some other case, to satisfy older
6111 pedantic compilers.
6112 * lib/bitset_stats.c (bitset_stats_init): Likewise.
6113 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
6114 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
6115 * src/conflicts.c (resolve_sr_conflict): Likewise.
6116 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
6117 (get_decision_str, get_orientation_str, get_node_alignment_str):
6118 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
6119 (get_linestyle_str, get_arrowstyle_str): Likewise.
6120 * src/conflicts.c (resolve_sr_conflict):
6121 Use a default case rather than one for the one remaining enum
6122 value, to catch invalid enum values as well.
6123 * src/lalr.c (set_goto_map, map_goto):
6124 Prefer "assert (FOO);" to "if (!FOO) abort ();".
6125 * src/nullable.c (nullable_compute, token_definitions_output):
6126 Likewise.
6127 * src/reader.c (packgram, reader): Likewise.
6128 * src/state.c (transitions_to, state_new, state_reduction_find):
6129 Likewise.
6130 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
6131 (symbol_pack): Likewise.
6132 * src/tables.c (conflict_row, pack_vector): Likewise.
6133 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
6134 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
6135 * src/system.h: Don't include <assert.h>.
6136 (assert): New macro.
6137
6138 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
6139 (Destructor Decl, Parser Function, Pure Calling):
6140 Describe rules for braces inside C code more carefully.
6141
61422006-01-19 Paul Eggert <eggert@cs.ucla.edu>
6143
6144 Fix some porting glitches found by Nelson H. F. Beebe.
6145 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
6146 compilers that don't understand that abort () does not return.
6147 * src/state.c (transitions_to): Likewise.
6148 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
6149 that '#include <cstdlib>' works.
6150 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
6151 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
6152 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
6153 for the benefit of some pre-C99 compilers.
6154
6155 * bootstrap: Undo changes to gnulib files that autoreconf made.
6156
6157 Minor fixups to get 'make maintainer-check' to work.
6158 * configure.ac: Don't use -Wnested-externs, as it's incompatible
6159 with the new verify.h implementation.
6160 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
6161 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
6162 * data/yacc.c (YYUSE): Likewise.
6163 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
6164 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
6165 * src/parse-gram.y (declaration): Don't pass a string constant
6166 to a function that expects char *, since GCC might complain
6167 about the constant value.
6168 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
6169 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
6170 before #defining them.
6171 * tests/glr-regression.at
6172 (Incorrectly initialized location for empty right-hand side in GLR):
6173 In yyerror, use the msg arg.
6174 (Corrupted semantic options if user action cuts parse):
6175 (Incorrect lookahead during deterministic GLR):
6176 (Incorrect lookahead during nondeterministic GLR):
6177 Don't name a local var 'index'; it shadows string.h's 'index'.
6178
61792006-01-19 Akim Demaille <akim@epita.fr>
6180
6181 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
6182 location, not just parts of it.
6183
61842006-01-18 Paul Eggert <eggert@cs.ucla.edu>
6185
6186 * NEWS: Document the fact that multiple %unions are now allowed.
6187 * doc/bison.texinfo (Union Decl): Likewise.
6188 * TODO: This feature is now implemented, so remove it from
6189 the wishlist.
6190
6191 * Makefile.maint: Merge with coreutils Makefile.maint.
6192 (CVS_LIST): Use build-aux version if available.
6193 (VERSION_REGEXP): New macro.
6194 (syntax-check-rules): Add sc_no_if_have_config_h,
6195 sc_prohibit_assert_without_use, sc_require_config_h,
6196 sc_useless_cpp_parens.
6197 (sc_obsolete_symbols): Check for O_NDELAY.
6198 (sc_dd_max_sym_length): Track coreutils.
6199 (sc_unmarked_diagnostics): Look in all files, not just *.c.
6200 (sc_useless_cpp_parens): New rule.
6201 (news-date-check): Look for version or today's date.
6202 (changelog-check): Don't require version number near head.
6203 (copyright-check): Use current year instead of hardwiring 2005.
6204 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
6205 (announcement): Add --gpg-key-ID.
6206
6207 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
6208 with "file system".
6209
6210 Avoid undefined behavior that addressed just before the start of an
6211 array. Problem reported by twlevo.
6212 * src/reader.c (packgram): Prepend a new sentinel before ritem.
6213 * src/lalr.c (build_relations): Rely on new sentinel.
6214 * src/gram.c (gram_free): Adjust to new sentinel.
6215
62162006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
6217
6218 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
6219 yylookaheadNeeds. All uses updated.
6220 (yysplitStack): Rename local yynewLookaheadStatuses to
6221 yynewLookaheadNeeds.
6222 * data/glr-regression.at (Incorrect lookahead during nondeterministic
6223 GLR): In comments, change `lookahead status' to `lookahead need'.
6224
62252006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
6226
6227 * data/glr.c (yysplitStack): A little stylistic rewrite.
6228
62292006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
6230
6231 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
6232
62332006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
6234
6235 * doc/bison.texinfo: Fix some typos.
6236 (GLR Semantic Actions): New subsection discussing special
6237 considerations because GLR semantic actions might be deferred.
6238 (Actions): Mention look-ahead usage of yylval.
6239 (Actions and Locations): Mention look-ahead usage of yylloc.
6240 (Special Features for Use in Actions): Add YYEOF entry and mention it
6241 in the yychar entry.
6242 In the yychar entry, remove mention of the local yychar case (pure
6243 parser) since this is irrelevant information when writing semantic
6244 actions and since it's already discussed in `Table of Symbols' where
6245 yychar is otherwise described as an external variable.
6246 In the yychar entry, don't call it the `current' look-ahead since it
6247 isn't when semantic actions are deferred.
6248 In the yychar and yyclearin entries, add note about deferred semantic
6249 actions.
6250 Add yylloc and yylval entries discussing look-ahead usage.
6251 (Look-Ahead Tokens): When discussing yychar, don't call it the
6252 `current' look-ahead, and do mention yylval and yylloc.
6253 (Error Recovery): Cross-reference `Action Features' when mentioning
6254 yyclearin.
6255 (Table of Symbols): In the yychar entry, don't call it the `current'
6256 look-ahead.
6257 In the yylloc and yylval entries, mention look-ahead usage.
6258
62592006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
6260
6261 * tests/glr-regression.at: Update copyright year to 2006.
6262
62632006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
6264
6265 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
6266 use during nondeterministic operation to track which stacks have
6267 actually needed the current lookahead.
6268 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
6269 Allocate, deallocate, resize, and otherwise shuffle space for
6270 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
6271 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
6272 appropriately during nondeterministic operation.
6273 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
6274 members to store the current lookahead to be used by the deferred
6275 user action.
6276 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
6277 from which the RHS is taken. Set the lookahead members of the new
6278 yySemanticOption according to the lookahead status for stack yyk.
6279 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
6280 yyaddDeferredAction.
6281 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
6282 members of yySemanticOption before invoking yyuserAction, and then set
6283 them back to their current values afterward.
6284 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
6285 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
6286 * tests/glr-regression.at: Remove `.' from the ends of recent test case
6287 titles for consistency.
6288 (Leaked merged semantic value if user action cuts parse): In order to
6289 suppress lint warnings, use arguments in merge function, and assign
6290 char value < 128 in main.
6291 (Incorrect lookahead during deterministic GLR): New test case.
6292 (Incorrect lookahead during nondeterministic GLR): New test case.
6293
62942006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
6295
6296 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
6297 !yyvaluep as signal that no semantic value is available to print.
6298 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
6299 to print a semantic value.
6300
63012006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
6302
6303 * tests/glr-regression.at: For consistency with my newer test cases,
6304 don't thank myself.
6305
63062006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
6307
6308 * data/glr.c (yyresolveValue): When merging semantic options, if at
6309 least one user action succeeds but a later one cuts the parse, then
6310 destroy the semantic value before returning rather than leaking it.
6311 (yyresolveStates): If a user action cuts the parse and thus
6312 yyresolveValue fails, ignore the (unset) semantic value rather than
6313 corrupting the yyGLRState, and empty the semantic options list since
6314 the user actions should have called all necessary destructors.
6315 Simplify code with YYCHK.
6316 * tests/glr-regression.at (Corrupted semantic options if user action
6317 cuts parse): New test case.
6318 (Undesirable destructors if user action cuts parse): New test case.
6319 Before applying any of this patch, this test case never actually failed
6320 for me... but only because the corrupted semantic options usually
6321 masked this bug.
6322 (Leaked merged semantic value if user action cuts parse): New test
6323 case.
6324
63252006-01-05 Akim Demaille <akim@epita.fr>
6326
6327 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
6328
63292006-01-04 Paul Eggert <eggert@cs.ucla.edu>
6330
6331 * data/c.m4 (b4_c_modern): New macro, with a new provision for
6332 _MSC_VER. Problem reported by Cenzato Marco.
6333 (b4_c_function_def): Use it.
6334 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
6335 b4_c_modern.
6336 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
6337 than rolling our own.
6338
63392006-01-04 Akim Demaille <akim@epita.fr>
6340
6341 Also warn about non-used mid-rule values.
6342 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
6343 member.
6344 (symbol_list_new): Adjust.
6345 * src/reader.c (symbol_typed_p): New.
6346 (grammar_rule_check): Use it.
6347 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
6348 Check its rule.
6349 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
6350 Use it.
6351 * tests/actions.at (Exotic Dollars): Adjust.
6352
63532006-01-04 Akim Demaille <akim@epita.fr>
6354
6355 * src/reader.c (grammar_midrule_action): If $$ is set in a
6356 mid-rule, move the `used' bit to its lhs.
6357 * tests/input.at (Unused values): New.
6358 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
6359
63602006-01-03 Paul Eggert <eggert@cs.ucla.edu>
6361
6362 * doc/bison.texinfo (Bison Options): Say more accurately what
6363 --yacc does.
6364 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
6365 about declarations in the grammar when in Yacc mode, as POSIX does
6366 not require a diagnostic when the grammar uses extensions.
6367
6368 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
6369
6370 Warn about dubious constructions like "%token T T".
6371 Reported by twlevo.
6372 * src/symtab.h (struct symbol.declared): New member.
6373 * src/symtab.c (symbol_new): Initialize it to false.
6374 (symbol_class_set): New arg DECLARING, specifying whether
6375 this is a declaration that we want to warn about, if there
6376 is more than one of them. All uses changed.
6377
6378 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
6379 Allow multiple %union directives, whose contents concatenate.
6380 * src/parse-gram.y (grammar_declaration): Likewise.
6381 Use muscle_code_grow, so that we don't need stype_line any more.
6382 All uses changed.
6383
6384 * src/muscle_tab.c (muscle_grow): Fix comment.
6385
6386 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
6387 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
6388 Update copyright year to 2006.
6389
63902006-01-03 Akim Demaille <akim@epita.fr>
6391
6392 Have glr.cc pass (some of) the calc.at tests.
6393 * data/glr.cc (b4_parse_param_orig): New.
6394 (b4_parse_param): Improve its definition, and bound it more
6395 clearly in the skeleton.
6396 (b4_epilogue): Append, instead of prepending, in order to keep
6397 #line consistency.
6398 Simplify the generation of auxiliary functions: locations and
6399 purity are mandated.
6400 (b4_global_tokens_and_yystype): Honor it.
6401 * data/location.cc (c++.m4): Don't include it.
6402 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
6403 and AT_SKEL_CC_IF.
6404 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
6405 AT_LALR1_CC_IF.
6406 Be sure to initialize the first position's filename.
6407 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
6408 mandated anyway.
6409 (AT_CHECK_CALC_GLR_CC): New.
6410 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
6411
64122006-01-02 Akim Demaille <akim@epita.fr>
6413
6414 * src/output.c (output_skeleton): Don't hard wire the inclusion of
6415 c.m4.
6416 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
6417 * data/glr.cc: Do not include stack.hh.
6418
64192006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
6420
6421 * data/glr.c: Reformat whitespace with tabs.
6422 (b4_lpure_formals): Remove this unused m4 macro.
6423 * tests/cxx-type.at: Reformat whitespace with tabs.
6424 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
6425 since it's a member. Rename type to isNterm for clarity.
6426
64272005-12-29 Akim <akim@sulaco.local>
6428
6429 Let glr.cc catch up with symbol_value_print.
6430 * data/glr.cc (b4_yysymprint_generate): Replace by...
6431 (b4_yy_symbol_print_generate): this.
6432 (yy_symbol_print, yy_symbol_value_print): Declare them.
6433
64342005-12-28 Paul Eggert <eggert@cs.ucla.edu>
6435
6436 * src/location.h (boundary): Note that a line or column equal
6437 to INT_MAX indicates an overflow.
6438 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
6439 (rule_length_overflow, increment_rule_length, add_column_width):
6440 New functions.
6441 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
6442 (<SC_BRACED_CODE>"}"):
6443 Use increment_rule_length rather than incrementing it by hand.
6444 (adjust_location, handle_syncline): Diagnose overflow.
6445 (handle_action_dollar, handle_action_at):
6446 Fix bug with monstrosities like $-2147483648.
6447 Remove now-unnecessary checks.
6448 (scan_integer): Verify assumptions and remove now-unnecessary checks.
6449 (convert_ucn_to_byte): Verify assumptions.
6450 (handle_syncline): New arg LOC. All callers changed.
6451 Don't store through a value derived from char const * pointer.
6452
6453 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
6454 GCC warnings.
6455
64562005-12-27 Paul Eggert <eggert@cs.ucla.edu>
6457
6458 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
6459 Remove unnecessary forward static decls.
6460
64612005-12-27 Akim Demaille <akim@epita.fr>
6462
6463 * src/reader.c (grammar_current_rule_check): Also check that $$
6464 is used.
6465 Take the rule to check as argument, hence rename as...
6466 (grammar_rule_check): this.
6467 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
6468 Rename as...
6469 (grammar_rule_begin, grammar_rule_end): these, for consistency.
6470 (grammar_midrule_action, grammar_symbol_append): Now static.
6471 * tests/torture.at (input): Don't rely on the default action
6472 being always performed.
6473 * tests/calc.at: "Set" $$ even when the action is "cut" with
6474 YYERROR or other.
6475 * tests/actions.at (Exotic Dollars): Instead of using unused
6476 values, check that the warning is issued.
6477
64782005-12-22 Paul Eggert <eggert@cs.ucla.edu>
6479
6480 * NEWS: Improve wording for unused-value warnings.
6481
64822005-12-22 Akim Demaille <akim@epita.fr>
6483
6484 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
6485 (b4_yysymprint_generate): Rename as...
6486 (b4_yy_symbol_print_generate): this.
6487 Generate yy_symbol_print instead of yysymprint.
6488 Generate also yy_symbol_value_print, and use it.
6489
64902005-12-22 Akim Demaille <akim@epita.fr>
6491
6492 * NEWS: Warn about unused values.
6493 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
6494 a `used' member.
6495 (symbol_list_n_get, symbol_list_n_used_set): New.
6496 (symbol_list_n_type_name_get): Use symbol_list_n_get.
6497 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
6498 * src/reader.c (grammar_current_rule_check): Check that values are
6499 used.
6500 * src/symtab.c (symbol_print): Accept 0.
6501 * tests/existing.at: Remove the type information.
6502 Empty the actions.
6503 Remove useless actions (beware of mid-rule actions: perl -000
6504 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
6505 * tests/actions.at (Exotic Dollars): Use unused values.
6506 * tests/calc.at: Likewise.
6507 * tests/glr-regression.at (No users destructors if stack 0 deleted):
6508 Likewise.
6509
6510 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
6511 rule_useful_p.
6512
65132005-12-21 Paul Eggert <eggert@cs.ucla.edu>
6514
6515 Undo 2005-12-01 tentative license wording change. The wording is
6516 still being reviewed by the lawyers, and we don't want to wait for
6517 them before publishing a test release. For now, revert to the
6518 previous wording.
6519 * NEWS: Undo 2005-12-01 change.
6520 * data/glr.c: Revert to previous license wording.
6521 * data/glr.cc: Likewise.
6522 * data/lalr1.cc: Likewise.
6523 * data/location.cc: Likewise.
6524 * data/yacc.c: Likewise.
6525
6526 * NEWS: Reword %destructor vs YYABORT etc.
6527 * data/glr.c: Use American spacing, for consistency.
6528 * data/glr.cc: Likewise.
6529 * data/lalr1.cc: Likewise.
6530 * data/yacc.c: Likewise.
6531 * data/yacc.c: Reformat comments slightly.
6532 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
6533 for consistency. Fix some spelling errors and reword recently-included
6534 text slightly.
6535 * tests/cxx-type.at: Cast results of malloc, for C++.
6536
65372005-12-21 Joel E. Denny <address@hidden>
6538
6539 * tests/cxx-type.at: Construct a tree, count the parents of shared
6540 nodes, and free each node once and only once. Previously, the memory
6541 for semantic values was leaked instead.
6542
65432005-12-21 Joel E. Denny <address@hidden>
6544
6545 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
6546 (yylval, yylloc): If pure, #define to yystackp->yyval and
6547 yystackp->yyloc similar to yychar and yynerrs.
6548 (yyparse): If pure, remove local yylval and yylloc. Add local
6549 yystackp to accommodate pure definitions of yylval and yylloc.
6550 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
6551 yylvalp and yyllocp to &yylval and &yylloc.
6552 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
6553 namespace. Previously, nerrs and char were missing, but lval and lloc
6554 weren't necessary.
6555 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
6556 yylvalp and yyllocp parameters since, if pure, these are now always
6557 accessible through yystackp. If not pure, they are still accessible
6558 globally.
6559 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
6560 `if (YYID (N))' to pacify lint.
6561
65622005-12-21 Akim Demaille <akim@epita.fr>
6563
6564 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
6565 destroy the RHS symbols of a rule.
6566 * data/yacc.c (yylen): Initialize to 0.
6567 Keep its value to the number of items to possibly shift.
6568 In particular, a regular successful parse that ends on YYFINAL by
6569 a (internal) YYACCEPT must not have yylen != 0.
6570 (yyerrorlab, yyreturn): Pop the RHS.
6571 Reorder a bit to emphasize the `shifting' bits of code.
6572 (YYPOPSTACK): Now accept a number of items to pop.
6573 * data/lalr1.cc: Likewise.
6574 * data/glr.c: Formatting changes.
6575 Use goto instead of fall through.
6576 * doc/bison.texinfo (Destructor Decl): Complete.
6577
65782005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6579
6580 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
6581 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
6582 * djgpp/config.bat: Replace every occurence of the file name
6583 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
6584 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
6585 * djgpp/config.sed: Replace every occurence of the file name
6586 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
6587 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
6588 * djgpp/djunpack.bat: DJGPP specific file.
6589 * djgpp/fnchange.lst: DJGPP specific file.
6590 * djgpp/README.in: Add new information about how to unpack the bison
6591 source on MSDOS and other systems which have 8.3 file name restrictions
6592 using djunpack.bat and fnchange.lst.
6593
65942005-12-12 Paul Eggert <eggert@cs.ucla.edu>
6595
6596 * bootstrap (build_cvs_prefix): Remove; unused.
6597 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
6598 when getting gnulib.
6599
66002005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
6601
6602 * data/glr.c: Reorder typedef declarations for structs to match order
6603 of struct declarations.
6604 Rename yystack everywhere to yystackp except in yyparse where it's not
6605 a pointer.
6606 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
6607 consistency.
6608 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
6609 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
6610 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
6611 lint.
6612
66132005-12-09 Paul Eggert <eggert@cs.ucla.edu>
6614
6615 * tests/sets.at (Accept): Fix typos in regular expression used to
6616 sed out the final state number.
6617
6618 Work around portability problem on Solaris 10: flex-generated
6619 files include <stdio.h> before <config.h>, which messes up
6620 because the latter defines __EXTENSIONS__. Address the problem
6621 by creating two new little files that include <config.h> first,
6622 then include the flex-generated files. Rewrite everyone else
6623 to include <config.h> first, as well.
6624 * lib/timevar.c: Always include "config.h".
6625 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
6626 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
6627 (EXTRA_bison_SOURCES): New macro.
6628 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
6629 * src/system.h: Don't include config.h.
6630 * src/LR0.c: Include <config.h> first.
6631 * src/assoc.c: Likewise.
6632 * src/closure.c: Likewise.
6633 * src/complain.c: Likewise.
6634 * src/conflicts.c: Likewise.
6635 * src/derives.c: Likewise.
6636 * src/files.c: Likewise.
6637 * src/getargs.c: Likewise.
6638 * src/gram.c: Likewise.
6639 * src/lalr.c: Likewise.
6640 * src/location.c: Likewise.
6641 * src/main.c: Likewise.
6642 * src/muscle_tab.c: Likewise.
6643 * src/nullable.c: Likewise.
6644 * src/output.c: Likewise.
6645 * src/parse-gram.y: Likewise.
6646 * src/print.c: Likewise.
6647 * src/print_graph.c: Likewise.
6648 * src/reader.c: Likewise.
6649 * src/reduce.c: Likewise.
6650 * src/relation.c: Likewise.
6651 * src/state.c: Likewise.
6652 * src/symlist.c: Likewise.
6653 * src/symtab.c: Likewise.
6654 * src/tables.c: Likewise.
6655 * src/uniqstr.c: Likewise.
6656 * src/vcg.c: Likewise.
6657
6658 * src/parse-gram.y: Fix minor problems uncovered by lint.
6659 (current_lhs, current_lhs_location): Now static.
6660 (current_assoc): Remove unused variable.
6661
6662 Cleanups so that Bison-generated parsers have less lint.
6663 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
6664 Prepend /*ARGSUSED*/, for lint's sake.
6665 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
6666 definition if 'lint' is defined.
6667 (YYID): New macro (or function, if lint).
6668 All uses of /*CONSTCOND*/0 replaced by YYID(0).
6669 * data/yacc.c: Likewise.
6670 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
6671 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
6672 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
6673 is C++ only.
6674 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
6675 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
6676 Use YYID(0) rather than 0, for lint.
6677 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
6678 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
6679
66802005-12-07 Paul Eggert <eggert@cs.ucla.edu>
6681
6682 * tests/glr-regression.at
6683 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
6684 Close memory leak reported by twlevo.
6685
66862005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
6687
6688 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
6689 all stacks.
6690 (yyparse): Iterate another stack in order to call user destructors.
6691 * tests/glr-regression.at (No users destructors if stack 0 deleted):
6692 New test case.
6693 (Duplicated user destructor for lookahead): This test now is expected
6694 to succeed.
6695
66962005-12-01 Paul Eggert <eggert@cs.ucla.edu>
6697
6698 * NEWS: Document the following change.
6699 * data/yacc.c: Say "parser skeleton" rather than "file", since
6700 it's no longer just a file.
6701 * data/glr.c: Grant a special exception for C GLR parsers, that
6702 reads like the already-existing exception for C LALR(1) parsers.
6703 * data/glr.cc: Likewise.
6704 * data/lalr1.cc: Likewise.
6705 * data/location.cc: Likewise.
6706 * data/yacc.c: Reword the "written by" statement to clarify that
6707 it was the parser skeleton, not the entire output file.
6708 * data/glr.c: Written by Paul Hilfinger.
6709 * data/glr.cc: Written by Akim Demaille.
6710 * data/lalr1.cc: Likewise.
6711
67122005-11-18 Paul Eggert <eggert@cs.ucla.edu>
6713
6714 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
6715 Fix typos in previous change that broke 'make check'.
6716 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
6717 supported in C.
6718 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
6719 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
6720 We can revert this once things settle down.
6721
6722 * src/conflicts.c (conflicts_print): Don't print file name twice
6723 when %expect fails because there were no conflicts.
6724 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
6725 change.
6726 * tests/conflicts.at (%expect not enough, %expect too much):
6727 (%expect with reduce conflicts): Adjust to new behavior.
6728
67292005-11-18 Akim Demaille <akim@epita.fr>
6730
6731 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
6732 errors.
6733 * NEWS: Document this.
6734 * doc/bison.texinfo (Expect Decl): Likewise.
6735
67362005-11-16 Akim Demaille <akim@epita.fr>
6737
6738 Generalize the display of semantic values and locations in traces.
6739 * data/glr.c (yy_reduce_print): Fix indices (again).
6740 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
6741 literal integers.
6742 * data/lalr1.cc (yyreduce_print): Rename as...
6743 (yy_reduce_print): this.
6744 Display values and locations.
6745 * data/yacc.c (yy_reduce_print): Likewise.
6746 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
6747 (yysymprint): Move higher to be visible from yy_reduce_print).
6748 (yyparse): Adjust.
6749 * tests/calc.at: Adjust the expected length of the traces.
6750
67512005-11-14 Akim Demaille <akim@epita.fr>
6752
6753 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
6754 from 1 to N, while values and location start at 0.
6755 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
6756
67572005-11-14 Akim Demaille <akim@epita.fr>
6758
6759 * data/glr.c (yy_reduce_print): Fix the $ number.
6760
67612005-11-14 Akim Demaille <akim@epita.fr>
6762
6763 "Use" parse parameters.
6764 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
6765 * data/glr.c, data/glr.cc: Use them.
6766 * data/glr.c (YYUSE): Have a C++ definition that supports
6767 non-pointer types.
6768
67692005-11-14 Akim Demaille <akim@epita.fr>
6770
6771 * data/glr.c (yyexpandGLRStack): Declare only if defined.
6772
67732005-11-14 Akim Demaille <akim@epita.fr>
6774
6775 * data/glr.cc: New.
6776 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
6777
67782005-11-12 Akim Demaille <akim@epita.fr>
6779
6780 Let position and location be PODs.
6781 * data/location.cc (position::initialize, location::initialize): New.
6782 (position::position, location::location): Define only if
6783 b4_location_constructors is defined.
6784 * data/lalr1.cc (b4_location_constructors): Define it for backward
6785 compatibility.
6786 * doc/bison.texinfo (Initial Action Decl): Use initialize.
6787
67882005-11-12 Akim Demaille <akim@epita.fr>
6789
6790 * data/lalr1.cc: Move the body of the ctor and dtor into the
6791 parser file (instead of the header).
6792 Wrap the implementations in a "namespace yy".
6793
67942005-11-12 Akim Demaille <akim@epita.fr>
6795
6796 Have glr.c include its header file when created.
6797 * data/glr.c (b4_shared_declarations): New.
6798 Output them verbatim in the parser if !%defines, otherwise
6799 output then in the header file, and include it instead.
6800
68012005-11-11 Akim Demaille <akim@epita.fr>
6802
6803 * data/glr.c: Comment changes.
6804
68052005-11-11 Akim Demaille <akim@epita.fr>
6806
6807 When yydebug, report semantic and location values for reductions.
6808 * data/glr.c (yy_reduce_print): Report the semantic values and the
6809 locations.
6810 (YY_REDUCE_PRINT): Adjust.
6811 (yyglrReduce): Use them.
6812 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
6813 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
6814 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
6815 traces.
6816
68172005-11-10 Akim Demaille <akim@epita.fr>
6818
6819 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
6820 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
6821 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
6822
68232005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
6824
6825 * m4/cxx.m4, examples/Makefile.am: Don't build
6826 examples/calc++ if no C++ compiler is available. (trivial change)
6827
68282005-11-09 Akim Demaille <akim@epita.fr>
6829
6830 * src/scan-skel.l: Use a couple of asserts.
6831
68322005-11-03 Akim Demaille <akim@epita.fr>
6833
6834 In some (weird) cases, the final state number is incorrect.
6835 Reported by Alexandre Duret-Lutz.
6836 * src/LR0.c (state_list_append): Remove the computation of
6837 final_state.
6838 (save_reductions): Do it here.
6839 (get_state): Alpha conversion.
6840 (generate_states): Use a for loop.
6841 * src/gram.h (item_number_is_rule_number)
6842 (item_number_is_symbol_number): New.
6843 * src/state.c: Use assert.
6844 * src/system.h: Include assert.h.
6845 * tests/sets.at (Accept): New.
6846
68472005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
6848
6849 * data/glr.c (yyfill): Adjust comment.
6850 (yyresolveAction): Initialize default location properly
6851 for empty right-hand sides.
6852 (yydoAction): Ditto.
6853 Add comment explaining apparently dead code.
6854 * tests/glr-regression.at
6855 (Incorrectly initialized location for empty right-hand side in GLR):
6856 New test.
6857
68582005-10-30 Paul Eggert <eggert@cs.ucla.edu>
6859
6860 * bootstrap (cleanup_gnulib): New function. Use it to clean up
6861 gnulib when interrupted. This fixes some race conditions and
6862 works around some portability problems (one noted by Paul
6863 Hilfinger).
6864
68652005-10-22 Akim <akim@epita.fr>
6866
6867 * Makefile.cfg: Adjust to config -> build-aux.
6868 Reported by twledo.
6869
68702005-10-21 Akim Demaille <akim@epita.fr>
6871
6872 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
6873 the %parse-params.
6874 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
6875 * data/yacc.c (b4_Pure_if): Rename as...
6876 (b4_yacc_pure_if): this.
6877 (YY_SYMBOL_PRINT, yyparse): Adjust.
6878 * doc/bison.texinfo: Formatting changes.
6879
68802005-10-21 Akim Demaille <akim@epita.fr>
6881
6882 Finish the transition config -> build-aux.
6883 * configure.ac, Makefile.am: Use build-aux.
6884 * config/prev-version, config/announce-gen, config/Makefile.am:
6885 Move to...
6886 * build-aux/prev-version, build-aux/announce-gen,
6887 * build-aux/Makefile.am: here.
6888
68892005-10-14 Akim Demaille <akim@epita.fr>
6890
6891 * examples/calc++/test: Use set -x only when VERBOSE.
6892
68932005-10-13 Paul Eggert <eggert@cs.ucla.edu>
6894
6895 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
6896 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
6897
68982005-10-13 Akim Demaille <akim@epita.fr>
6899
6900 * src/scan-skel.l: Output the base name parts of the parser and
6901 header file names.
6902 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
6903 additional checks.
6904 Use this to exercise C++ outputs in subdirs.
6905 Reported by Oleg Smolsky.
6906
69072005-10-12 Paul Eggert <eggert@cs.ucla.edu>
6908
6909 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
6910 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
6911 Problem reported by John P. Hartmann.
6912 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
6913 already defined it.
6914
69152005-10-12 Akim Demaille <akim@epita.fr>
6916
6917 * src/parse-gram.y (version_check): Exit 63 to please missing
6918 (stands for "version mismatch).
6919 * tests/input.at, doc/bison.texinfo: Adjust.
6920
69212005-10-10 Paul Eggert <eggert@cs.ucla.edu>
6922
6923 Work around portability problems with Visual Age C compiler
6924 (xlc and xlC_r) reported by John P. Hartmann.
6925 * data/location.cc (initial_column, initial_line): Remove.
6926 All uses replaced by 0 and 1.
6927 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
6928 that xlc complains about.
6929 * src/scan-skel.l (skel_wrap): Likewise.
6930 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
6931 as __STDC__.
6932 * data/yacc.c (YYMODERN_C): New macro, which also looks at
6933 __STDC_VERSION__. Use it everywhere instead of looking at
6934 __STDC__ and __cplusplus.
6935
69362005-10-10 Akim Demaille <akim@epita.fr>
6937
6938 * examples/calc++/test: Be quiet unless VERBOSE.
6939
69402005-10-05 Paul Eggert <eggert@cs.ucla.edu>
6941
6942 * data/c.m4 (yydestruct, yysymprint):
6943 Use YYUSE instead of casting to void.
6944 * data/glr.c (YYUSE): New macro.
6945 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
6946 Use it instead of rolling our own.
6947 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
6948 (YYCHK1):
6949 Use /*CONSTCOND*/ to suppress lint warnings.
6950 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
6951 (YY_STACK_PRINT): Use 'false' not '0'.
6952 (YYUSE): New macro.
6953 (yysymprint_, yydestruct_): Use it instead of rolling our own.
6954 * data/yacc.c (YYUSE): New macro.
6955 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
6956 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
6957 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
6958
6959
6960 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
6961 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
6962
69632005-10-04 Paul Eggert <eggert@cs.ucla.edu>
6964
6965 Undo the parts of the unlocked-I/O change that substituted
6966 putc or puts for printf. This might hurt performance a bit,
6967 but some people prefer the printf style.
6968 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
6969 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
6970 All uses replaced by YYFPRINTF and YYDPRINTF.
6971 * data/yacc.c: Likewise.
6972 * lib/bitset.c (bitset_print): Likewise.
6973 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
6974 putc and puts.
6975 * lib/lbitset.c (debug_lbitset): Likewise.
6976 * src/closure.c (print_firsts, print_fderives): Likewise.
6977 * src/gram.c (grammar_dump): Likewise.
6978 * src/lalr.c (look_ahead_tokens_print): Likewise.
6979 * src/output.c (escaped_output): Likewise.
6980 (user_actions_output): Break apart two printfs.
6981 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
6982 * src/reduce.c (reduce_print): Likewise.
6983 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
6984 * src/system.h: Include unlocked-io.h rathe than stdio.h.
6985
6986 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
6987 Use assignments rather than casts-to-void to suppress
6988 unused-variable warnings. This pacifies 'lint'.
6989 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
6990 unused-variable warnings.
6991
69922005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6993
6994 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
6995
69962005-10-02 Paul Eggert <eggert@cs.ucla.edu>
6997
6998 Use unlocked I/O for a minor performance improvement on hosts like
6999 GNU/Linux and Solaris that support unlocked I/O. The basic idea
7000 is to use the gnlib unlocked-io module, and to prefer putc and
7001 puts to printf when either will work (since the latter doesn't
7002 come in an unlocked flavor).
7003 * bootstrap (gnulib_modules): Add unlocked-io.
7004 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
7005 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
7006 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
7007 and similarly for puts and putc and printf.
7008 * data/yacc.c: Likewise.
7009 * lib/bitset.c (bitset_print): Likewise.
7010 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
7011 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
7012 to printf.
7013 * lib/lbitset.c (debug_lbitset): Likewise.
7014 * src/closure.c (print_firsts, print_fderives): Likewise.
7015 * src/gram.c (grammar_dump): Likewise.
7016 * src/lalr.c (look_ahead_tokens_print): Likewise.
7017 * src/output.c (escaped_output): Likewise.
7018 (user_actions_output): Coalesce two printfs.
7019 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
7020 * src/reduce.c (reduce_print): Likewise.
7021 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
7022 * src/system.h: Include unlocked-io.h rather than stdio.h.
7023
7024 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
7025 this confuses xgettext.
7026
70272005-10-02 Akim Demaille <akim@epita.fr>
7028
7029 * bootstrap (gnulib_modules): Add strverscmp.
7030 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
7031 * m4/.cvsignore: Add strverscmp.m4.
7032 * src/parse-gram.y (%require): New token, new rule.
7033 (version_check): New.
7034 * src/scan-gram.l (%require): Adjust.
7035 * tests/input.at (AT_REQUIRE): New.
7036 Use it.
7037 * doc/bison.texinfo (Require Decl): New.
7038 (Calc++ Parser): Use %require.
7039
70402005-10-02 Akim Demaille <akim@epita.fr>
7041
7042 * data/location.cc: New.
7043
70442005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
7045 Akim Demaille <akim@epita.fr>
7046
7047 Make sure -odir/foo.cc creates dir/location.hh etc.
7048 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
7049 (spec_file_prefix, spec_verbose_file, spec_graph_file)
7050 (spec_defines_file): Now const.
7051 (dir_prefix): New.
7052 (short_base_name): Remove.
7053 * src/files.c: Adjust.
7054 (dirname.h): Include.
7055 (base_name): Don't prototype it.
7056 (finput): Remove, duplicates gram_in.
7057 (full_base_name, short_base_name): Replace by...
7058 (all_but_ext, all_but_tab_ext): these.
7059 (compute_base_names): Rename as...
7060 (compute_file_name_parts): this.
7061 Update to compute the new variables, including dir_prefix.
7062 Adjust dependencies.
7063 * src/output.c (prepare): Output them.
7064 * src/reader.c: Adjust to use gram_in, not finput.
7065 * src/scan-skel.l (@dir_prefix@): New.
7066
70672005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7068
7069 * lib/subpipe.c: New function end_of_output_subpipe() added
7070 to allow support for non-posix systems. This is a no-op function
7071 for posix systems.
7072
7073 * lib/subpipe.h: New function end_of_output_subpipe() added
7074 to allow support for non-posix systems. This is a no-op function
7075 for posix systems.
7076
7077 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
7078 handle the lack of pipe/fork functionality on non-posix systems.
7079
7080 * djgpp/Makefile.maint: DJGPP specific file.
7081
7082 * djgpp/README.in: DJGPP specific file.
7083
7084 * djgpp/config.bat: DJGPP specific configuration file.
7085
7086 * djgpp/config.sed: DJGPP specific configuration file.
7087
7088 * djgpp/config.site: DJGPP specific configuration file.
7089
7090 * djgpp/config_h.sed: DJGPP specific configuration file.
7091
7092 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
7093
7094 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
7095
70962005-10-02 Akim Demaille <akim@epita.fr>
7097
7098 * data/location.cc: New, extract from...
7099 * data/lalr1.cc: here.
7100 (location.hh): Include it after the user prologue, in case the
7101 filename type is defined by the user.
7102 Forward declation location and position before the pre-prologue.
7103 (yyresult_): Rename as...
7104 (yyresult): this, it's a local variable, not an attribute.
7105 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
7106
71072005-10-01 Akim Demaille <akim@epita.fr>
7108
7109 * examples/extexi: Restore the #line generation.
7110
71112005-09-30 Akim Demaille <akim@epita.fr>,
7112 Alexandre Duret-Lutz <adl@gnu.org>
7113
7114 Move the token type and YYSTYPE in the parser class.
7115 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
7116 (parser::token): New, from the moved free definition of tokens.
7117 (parser::semantic_value): Now a full definition instead of an
7118 indirection to YYSTYPE.
7119 (b4_post_prologue): No longer included in the header file, but
7120 in the implementation file.
7121 * doc/bison.texi (C+ Language Interface): Update.
7122 * src/parse-gram.y: Support unary %define.
7123 * tests/actions.at: Define global_tokens_and_yystype for backward
7124 compatibility until we update the tests.
7125 * tests/calc.at: Idem.
7126 (first_line, first_column, last_line, last_column): Define for lalr1.cc
7127 to simplify the code.
7128
71292005-09-29 Paul Eggert <eggert@cs.ucla.edu>
7130
7131 Port to SunOS 4.1.4, which lacks strtoul and strerror.
7132 Ah, the good old days! Problem reported by Peter Klein.
7133 * bootstrap (gnulib_modules): Add strerror, strtoul.
7134 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
7135 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
7136
71372005-09-29 Akim Demaille <akim@epita.fr>
7138
7139 * data/c.m4 (b4_error_verbose_if): New.
7140 * data/lalr1.cc: Use it.
7141 (YYERROR_VERBOSE_IF): Remove.
7142 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
7143 parser members, replaced by...
7144 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
7145 local variables.
7146 (yysyntax_error_): Takes the state number as argument.
7147 (yyreduce_print_): Use the argument yyrule, not the former
7148 attribute yyn_.
7149
71502005-09-26 Paul Eggert <eggert@cs.ucla.edu>
7151
7152 * bootstrap (gnulib_modules): Add verify.
7153 * lib/.cvsignore: Add verify.h.
7154 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
7155 * src/system.h (verify): Remove.
7156 Include verify.h instead.
7157 * src/tables.c (tables_generate): Use new API for 'verify'.
7158
71592005-09-21 Paul Eggert <eggert@cs.ucla.edu>
7160
7161 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
7162 local variables whose names begin with 'yy'.
7163 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
7164 Trivial changes from Joel E. Denny.
7165
7166 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
7167 it itself.
7168 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
7169 don't use alloca any more.
7170
7171 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
7172 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
7173 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
7174 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
7175 to match yacc.c, to test more hosts.
7176
71772005-09-20 Paul Eggert <eggert@cs.ucla.edu>
7178
7179 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
7180 doesn't affect behavior.
7181 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
7182 Solaris, AIX, MSC.
7183 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
7184 This works a bit better with glibc, if user code has already included
7185 stdlib.h.
7186 * doc/bison.texinfo (Bison Parser): Document that users can't
7187 arbitrarily use malloc and free for other purposes. Document
7188 that <alloca.h> and <malloc.h> might be included.
7189 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
7190 user must declare alloca.
7191
7192 * HACKING (release): Forwarn the Translation Project about
7193 stable releses.
7194
71952005-09-20 Akim Demaille <akim@epita.fr>
7196
7197 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
7198
71992005-09-19 Paul Eggert <eggert@cs.ucla.edu>
7200
7201 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
7202 (YYSTACK_ALLOC_MAXIMUM): Use it.
7203 (yysyntax_error): New function.
7204 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
7205 multiple syntax errors are reported, and alloca is being used.
7206 Instead, reallocate buffers twice as big each time, so that
7207 we waste at most half the allocated memory. Start with a small
7208 (128-byte) buffer that will suffice in most cases anyway.
7209 Use yysyntax_error to do most of the work.
7210
7211 * doc/bison.texinfo (Error Reporting, Table of Symbols):
7212 yynerrs is the number of errors reported, not the number of
7213 errors encountered.
7214
7215 * tests/glr-regression.at (Duplicated user destructor for lookahead):
7216 Mark it as expected to fail.
7217 Cast result of malloc; problem reported by twlevo@xs4all.nl.
7218 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
7219 Don't start user-code symbols with "yy", to avoid name space problems.
7220
72212005-09-19 Akim Demaille <akim@epita.fr>
7222
7223 Remove the traits, failed experiment.
7224 It never proved useful, and anyway because of the current
7225 definition, it was not possible to have several specialization of
7226 this traits, making it useless.
7227 * data/lalr1.cc (yy:traits): Remove.
7228 Inline its definitions in the parser class.
7229
72302005-09-19 Akim Demaille <akim@epita.fr>
7231
7232 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
7233 least Mac OSX with a /usr/local install of gettext.
7234
72352005-09-19 Akim Demaille <akim@epita.fr>
7236
7237 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
7238 and yytoken for similarity with the other skeletons.
7239
72402005-09-19 Akim Demaille <akim@epita.fr>
7241
7242 * NEWS, configure.ac: update version number to 2.1a.
7243
72442005-09-16 Paul Eggert <eggert@cs.ucla.edu>
7245
7246 * NEWS: Version 2.1.
7247
7248 * NEWS: Remove notice of yytname change, since it was never in an
7249 official release.
7250 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
7251 diagnostic.
7252 * src/output.c (prepare): Likewise.
7253 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
7254 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
7255 is not defined. This is an awful hack, but it's enough for now.
7256 All callers changed.
7257 * tests/glr-regression-at (make_value): Args are const pointers now,
7258 to avoid GCC warning.
7259 (Duplicated user destructor for lookahead): New test. Currently
7260 skipped. It fails on my host but I'm not sure it'll always fail.
7261
72622005-09-16 Akim Demaille <akim@epita.fr>
7263
7264 * src/symtab.h (struct symbol): Declare the printer and destructor
7265 as const, to avoid accidental calls to free.
7266 (symbol_destructor_set, symbol_printer_set): Adjust.
7267 * src/symtab.c: Adjust.
7268
72692005-09-16 Akim Demaille <akim@epita.fr>
7270
7271 * data/c.m4 (b4_token_enums): New.
7272 (b4_token_defines): Rename as...
7273 (b4_token_enums_defines): this.
7274 (b4_token_defines): New, output only the #defines.
7275 * data/yacc.c, data/glr.c: Adjust.
7276 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
7277 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
7278 as default values.
7279
72802005-09-16 Akim Demaille <akim@epita.fr>
7281
7282 * data/lalr1.cc (yylex_): Remove, inline its code.
7283 (yyreport_syntax_error_): Remove, replaced by...
7284 (yysyntax_error_): this which returns a string and leaves to the
7285 caller the call to the users' error function.
7286 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
7287 Move from members of the parser object...
7288 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
7289 to local variables of the parse function.
7290
72912005-09-16 Akim Demaille <akim@epita.fr>
7292
7293 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
7294 since it's in Bison's name space.
7295
72962005-09-15 Paul Eggert <eggert@cs.ucla.edu>
7297
7298 * data/glr.c (yyresolveValue): Add default case to pacify
7299 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
7300
7301 * NEWS: Document when yyparse started to return 2.
7302 * doc/bison.texinfo (Parser Function): Document when yyparse
7303 returns 2.
7304
7305 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
7306 (b4_filename_type): Renamed back from b4_file_name_type. All uses
7307 changed.
7308 (class position): file_name -> filename (reverting). All uses changed.
7309
73102005-09-14 Paul Eggert <eggert@cs.ucla.edu>
7311
7312 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
7313 do anything if $@ exists. This reverts part of the 2005-07-07
7314 patch.
7315
73162005-09-11 Paul Eggert <eggert@cs.ucla.edu>
7317
7318 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
7319 contains obsolete information and isn't worth distributing as a
7320 separate file anyway.
7321 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
7322 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
7323 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
7324 (yyparse): Abort if user code uses longjmp to throw an unexpected
7325 value.
7326
73272005-09-09 Paul Eggert <eggert@cs.ucla.edu>
7328
7329 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
7330 Suggested by twlevo@xs4all.nl.
7331
7332 * data/glr.c (YYCHK1): Do not assume YYE is in range.
7333 This avoids a diagnostic from gcc -Wswitch-enum.
7334 Problem reported by twlevo@xs4all.nl.
7335
7336 * doc/bison.texinfo: Don't use "filename", as per GNU coding
7337 standards. Use "file name" or "file" or "name", depending on
7338 the context.
7339 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
7340 not to hack/foo.tab.c.
7341 (Calc++ Top Level): 2nd arg of main is not const.
7342 * data/glr.c: b4_filename -> b4_file_name.
7343 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
7344 All uses changed.
7345 (class position): filename -> file_name. All uses changed.
7346 * data/yacc.c: b4_filename -> b4_file_name.
7347 * lib/bitset.h: filename -> file_name in local vars.
7348 * lib/bitset_stats.c: Likewise.
7349 * src/files.c: Likewise.
7350 * src/scan-skel.l ("@output ".*\n): Likewise.
7351 * src/files.c (file_name_split): Renamed from filename_split.
7352 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
7353
73542005-09-08 Paul Eggert <eggert@cs.ucla.edu>
7355
7356 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
7357 to accommodate latest gnulib.
7358
7359 * tests/glr-regression.at (Duplicate representation of merged trees):
7360 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
7361
7362 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
7363 needed.
7364
73652005-08-26 Paul Eggert <eggert@cs.ucla.edu>
7366
7367 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
7368 All uses changed. Invoke user destructor after an error during a
7369 split parse (trivial change from Joel E. Denny).
7370
7371 * tests/glr-regression.at
7372 (User destructor after an error during a split parse): New test case.
7373 Problem reported by Joel E. Denny in:
7374 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
7375
73762005-08-25 Paul Eggert <eggert@cs.ucla.edu>
7377
7378 * README-cvs: Give URLs for recommended tools.
7379 Mention Gzip version problem, and bootstrapping issues.
7380 Remove troubleshooting section, as it's somewhat obsolete.
7381
7382 * bootstrap (no_cache): New var, to accommodate different wget
7383 variants. Use it instead of '-C off'. Problem reported by
7384 twlevo@xs4all.nl.
7385
7386 * data/glr.c (yydestroyStackItem): New function.
7387 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
7388 debugging information. Problem reported by Joel E. Denny.
7389
73902005-08-25 Akim Demaille <akim@epita.fr>
7391
7392 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
7393
73942005-08-24 Paul Eggert <eggert@cs.ucla.edu>
7395
7396 * data/glr.c (yyrecoverSyntaxError, yyreturn):
7397 Don't invoke destructor on unresolved entries.
7398 * tests/glr-regression.at
7399 (User destructor for unresolved GLR semantic value): New test case.
7400 Problem reported by Joel E. Denny in:
7401 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
7402
74032005-08-21 Paul Eggert <eggert@cs.ucla.edu>
7404
7405 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
7406 Add strnlen.c.
7407 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
7408 lib-prefix.m4, po.m4.
7409
7410 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
7411 in yydestruct diagnostic, since it might not be an error.
7412 Problem reported by Joel Denny near end of
7413 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
7414 * data/lalr1.cc (yyerturn): Likewise.
7415 * data/yacc.c (yyreturn): Likewise.
7416 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
7417
7418 * src/files.c: Remove obsolete FIXME comment.
7419
7420 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
7421 with the other templates, and to fix bogus run-on messages such
7422 as the one reported at the end of
7423 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
7424 All callers changed to avoid the newline.
7425 (yyprocessOneStack): Output two lines rather than one, to accommodate
7426 the above change. This changes the debug output format slightly.
7427
7428 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
7429 reported by Joel E. Denny in
7430 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
7431 (trivial change).
7432 * tests/glr-regression.at (Duplicate representation of merged trees):
7433 New test, from Joel E. Denny in:
7434 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
7435 * THANKS: Add Joel E. Denny.
7436
7437 * configure.ac (AC_INIT): Bump to 2.0c.
7438
74392005-07-24 Paul Eggert <eggert@cs.ucla.edu>
7440
7441 * NEWS: Version 2.0b.
7442
7443 * Makefile.am (SUBDIRS): Put examples before tests, so that
7444 "make check" doesn't finish with "All 1 tests passed".
7445
7446 * tests/regression.at (Token definitions): Don't rely on
7447 AT_PARSER_CHECK for data that contains backslashes. It currently
7448 uses 'echo', and 'echo' isn't portable if its argument contains
7449 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
7450 that the byte '\0xff' is not printable in the C locale; it is,
7451 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
7452 not printable, so use '\0x81' to test.
7453
7454 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
7455 version of GCC, since the macro is used with non-GCC compilers.
7456
7457 Fix core dump reported by Pablo De Napoli in
7458 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
7459 * tests/regression.at (Invalid inputs with {}): New test.
7460 * src/parse-gram.y (token_name): Translate type before using
7461 it as an index.
7462
7463 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
7464 the user's name space. All uses changed to __attribute__
7465 ((__unused__)).
7466 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
7467 Add __attribute__ ((__noreturn__)).
7468
7469 * etc/clcommit: Remove. We weren't using it, and it failed
7470 "make maintainer-distcheck".
7471 * Makefile.maint: Merge from coreutils.
7472 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
7473 (syntax-check-rules): Change list of rules as described below.
7474 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
7475 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
7476 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
7477 (sc_trailing_space): New rules.
7478 (sc_xalloc_h_in_src): Remove.
7479 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
7480 (sc_space_tab, sc_error_exit_success, sc_changelog):
7481 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
7482 (makefile-check, po-check, author_mark_check):
7483 (makefile_path_separator_check, copyright-check):
7484 Use grep -n, to make it easier to find violations.
7485 Use CVS_LIST and CVS_LIST_EXCEPT.
7486 (header_regexp, h_re): Remove.
7487 (dd_c): New macro.
7488 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
7489 (my-distcheck): Use more-modern GCC flags.
7490 (signatures, %.asc): Remove.
7491 (rel-files, announcement): Remove signatures.
7492 Restore old updating code, even though we don't use it, so
7493 that we're the same as coreutils.
7494 (alpha, beta, major): Depend on news-date-check.
7495 Make the upload commands.
7496
7497 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
7498 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
7499 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
7500 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
7501 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
7502 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
7503 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
7504 * tests/sets.at: Likewise.
7505
7506 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
7507 we comment out the Autoconf version number.
7508 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
7509 it's error-prone and "make maintainer-distcheck" rejects it.
7510
7511 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
7512 Indent calls to "error" to pacify "make maintainer-distcheck",
7513 when the calls are not intended to be translated.
7514 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
7515
7516 * src/Makefile.am (DEFS): Use +=, to pacify
7517 "make maintainer-distcheck".
7518 (bison_SOURCES): Add scan-skel.h.
7519 (sc_tight_scope): New rule, from coreutils.
7520
7521 * src/files.c (src_extension, header_extension):
7522 Now static, not extern.
7523 * src/getargs.c (short_options): Likewise.
7524 * src/muscle_tab.c (muscle_table): Likewise.
7525 * src/parse-gram.y (current_class, current_type, current_prec):
7526 Likewise.
7527 * src/reader.c (grammar_end, previous_rule_end): Likewise.
7528 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
7529 * src/main.c (main): Cast bindtextdomain and textdomain calls to
7530 void, to avoid warning when NLS is disabled.
7531 * src/output.c: Include scan-skel.h.
7532 (scan_skel): Remove decl, since scan-skel.h does this.
7533 (output_skeleton):
7534 Indent calls to "error" to pacify "make maintainer-distcheck".
7535 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
7536 * src/reader.h (gram_end, gram_lineno): New decls to pacify
7537 "make maintainer-distcheck".
7538 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
7539 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
7540 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
7541 (skel_lex_destroy, scan_skel): Move these decls to...
7542 * src/scan-skel.h: New file.
7543 * src/uniqstr.c (uniqstr_assert):
7544 Indent calls to "error" to pacify "make maintainer-distcheck".
7545
7546 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
7547 not @VAR@.
7548
7549 * tests/torture.at: Revamp to avoid misuse of atoi that
7550 "make maintainer-distcheck" complained about.
7551
7552 * examples/extexi (message): Don't print a message more than once,
7553 and omit line-number decoration that makes Emacs compile think
7554 that informative messages are worth worrying about.
7555
75562005-07-22 Paul Eggert <eggert@cs.ucla.edu>
7557
7558 * configure.ac: Update version number.
7559
7560 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
7561 accidentally.
7562 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
7563 autogenerated by the maintainer.
7564 * examples/calc++/.cvsignore: Add *.yy.
7565
7566 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
7567 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7568 * lib/bitsetv.c (bitsetv_alloc): Likewise.
7569
7570 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
7571
7572 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
7573 from maintainer-distcheck about casting the argument of 'free'.
7574
7575 * NEWS: Mention recent yytname changes.
7576 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
7577
7578 * bootstrap: For translations that have not yet been upgraded to
7579 the new runtime-po domain, prime the pump by extracting the
7580 relevant strings from the obsolete translations. This code can be
7581 removed once the bison-runtime domain has been translated by each
7582 team.
7583
7584 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
7585 now that token names are already quoted.
7586
7587 Fix problem reported by Anthony Heading.
7588 * data/glr.c (YYTOKEN_TABLE): New macro.
7589 (yytname): Define if YYTOKEN_TABLE.
7590 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
7591 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
7592 (YYERROR_VERBOSE): Define the same way the other skeletons do.
7593 * src/output.c (prepare_symbols): Output token_table_flag.
7594
75952005-07-21 Paul Eggert <eggert@cs.ucla.edu>
7596
7597 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
7598 again if the first call fails.
7599
7600 * data/glr.c (yytnamerr): New function.
7601 (yyreportSyntaxError): Use it to dequote most string literals.
7602 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
7603 with other skeletons. All uses changed.
7604 (yytnameerr_): New function.
7605 (yyreport_syntax_error): Use it to dequote most string literals.
7606 * data/yacc.c (yytnamerr): New function.
7607 (yyerrlab): Use it to decode most string literals.
7608 * doc/bison.texinfo (Decl Summary, Calling Convention):
7609 Clarify quoting convention of yytname.
7610 * src/output.c (prepare_symbols): Quote all names. This undoes
7611 the 2005-04-17 change, which is now accomplished (mostly) via
7612 changes in the parsers as described above.
7613 * tests/regression.at (Token definitions, Web2c Actions):
7614 Undo most 2005-04-17 change here, too.
7615
76162005-07-20 Paul Eggert <eggert@cs.ucla.edu>
7617
7618 Fix more problems reported by twlevo@xs4all.nl.
7619 * tests/cxx-type.at: Don't pipe output of ./types through sed to
7620 remove trailing spaces. This loses the exit status of ./types,
7621 and isn't needed since ./types shouldn't be emitting trailing
7622 spaces.
7623 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
7624 as the stack isn't valid in that case.
7625
7626 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
7627 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
7628 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
7629 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
7630 is used.
7631 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
7632 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7633 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7634 Likewise.
7635
7636 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
7637 overly-picky compilers that reject 'char *foo = "bar";'.
7638
7639 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
7640 to FILE * parameter, not to stderr. This fixes a typo introduced
7641 in the 2005-07-12 change.
7642
7643 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
7644 warnings from GCC 4.
7645
7646 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
7647 (yyglrShiftDefer, yysplitStack):
7648 Remove unused parameters b4_pure_formals. All uses changed.
7649 (yyglrShift): Remove unused parameters b4_user_formals.
7650 All uses changed.
7651 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
7652
76532005-07-18 Paul Eggert <eggert@cs.ucla.edu>
7654
7655 Destructor cleanups and regularization among the three skeletons.
7656 * NEWS: Document the behavior changes.
7657 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
7658 stack before failing, as the cleanup code will do it for us now.
7659 * data/lalr1.cc (yyerrlab): Likewise.
7660 * data/glr.c (yyparse): Pop everything off the stack before
7661 freeing it, so that destructors get called properly.
7662 * data/lalr1.cc (yyreturn): Likewise.
7663 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
7664 This is more consistent.
7665 * doc/bison.texinfo (Destructor Decl): Mention more reasons
7666 why destructors might be called. 1.875 -> 2.1.
7667 (Destructor Decl, Decl Summary, Table of Symbols):
7668 Some English-language cleanups for %destructor.
7669 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
7670 Add output line for destructor of start symbol.
7671 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
7672 because of that same extra output line.
7673
7674 * NEWS: Document minor wording changes in diagnostics of
7675 Bison-generated parsers.
7676 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
7677 Remove unused formals. All uses changed.
7678 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
7679 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
7680 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
7681 Rename yyoverflowab to yyexhaustedlab.
7682 When memory exhaustion occurs during syntax-error reporting,
7683 report it separately rather than in a single diagnostic; this
7684 eases translation.
7685 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
7686 (Memory Exhausted): Renamed from Parser Stack Overflow.
7687 Revamp wording slightly to prefer "memory exhaustion".
7688 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
7689
7690 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
7691
7692 Add i18n support to the GLR skeleton. Partially fix the C++
7693 skeleton; a C++ expert needs to finish this. Remove debugging
7694 msgids; there's little point to having them translated, since they
7695 can be understood only by someone who can read the
7696 (English-language) source code.
7697
7698 Generate runtime-po/bison-runtime.pot automatically, so that we
7699 don't have to worry about garbage getting in that file. We'll
7700 make sure after the next official release that old msgids don't
7701 get lost. See
7702 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
7703
7704 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
7705 Now auto-generated.
7706 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
7707 Fix typos in explanations of the runtime file.
7708 * bootstrap: Change gettext keyword from YYI18N to YY_.
7709 Use standard Makefile.in.in in runtime-po, since we'll arrange
7710 for backward-compatible bison-runtime.po files in a different way.
7711 * data/glr.c (YY_): New macro, from yacc.c.
7712 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
7713 Translate messages intended for users.
7714 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
7715 the wording in the other skeletons. We don't know that the memory
7716 is virtual.
7717 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
7718 Use same method that yacc.c uses.
7719 Don't translate debugging messages.
7720 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
7721 it doesn't work (yet), and requires C++ expertise to fix.
7722 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
7723 Move defn to a more logical place, to be consistent with other
7724 skeletons.
7725 Don't translate debugging messages.
7726 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
7727 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
7728 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
7729 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
7730
7731 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
7732 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
7733 void, not int.
7734 * tests/glr-regression.at (Badly Collapsed GLR States):
7735 Likewise.
7736 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
7737 yylex should return 0 at EOF rather than aborting.
7738
7739 Improve tests for stack overflow in GLR parser.
7740 Problem reported by twlevo@xs4all.nl.
7741 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
7742 All uses removed.
7743 (yyStackOverflow): Just longjmp, but with value 2 so that caller
7744 can handle the problem.
7745 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
7746 (yyparse): New local variable yyresult to record the result.
7747 Use result of setjmp to set it, rather than storing itinto
7748 struct.
7749 (yyDone): Remove label.
7750 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
7751 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
7752 if YYABORT is used).
7753 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
7754 yyparse status; put status > 1 into diagnostic.
7755 Check that status==2 works.
7756 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
7757 Use exit status 3 for failure to open (which shouldn't happen).
7758
77592005-07-17 Paul Eggert <eggert@cs.ucla.edu>
7760
7761 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
7762 1 on syntax error; just let yyparse do its thing.
7763 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
7764 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
7765 (Exploding the Stack Size with Alloca):
7766 (Exploding the Stack Size with Malloc):
7767 Expect exit status 2, not 1, since the parser is supposed to blow
7768 its stack. Problem reported by twlevo@xs4all.nl.
7769
7770 * data/glr.c (yyparse): Don't assume that the initial calls
7771 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
7772 Print a stack-overflow message and fail instead.
7773 Initialize the line-number information before creating the stack,
7774 so that the stack-overflow message can report line zero safely.
7775
77762005-07-14 Paul Eggert <eggert@cs.ucla.edu>
7777
7778 Fix problems reported by twlevo@xs4all.nl.
7779 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
7780 (yyuserMerge): Provide a default case if b4_mergers is empty.
7781 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
7782 * tests/glr-regression.at
7783 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
7784 Add casts to pacify C++ compilers.
7785 * tests/glr-regression.at (Improper merging of GLR delayed action
7786 sets): Declare yylex before using it.
7787 * tests/Makefile.am (maintainer-check-g++): Fix a stray
7788 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
7789 test for valgrind; valgrind is independent of g++.
7790 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
7791 for compatibility with POSIX 1003.1-2001 (if running coreutils).
7792 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
7793 Use a destructor, so that we can expand the stack. Change
7794 YYSTYPE to char * so that we can free it. Cast result of malloc.
7795
77962005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
7797
7798 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
7799 a valgrind failure. Problem reported by twlevo@xs4all.nl.
7800
78012005-07-13 Paul Eggert <eggert@cs.ucla.edu>
7802
7803 * PACKAGING: New file, suggested by Bruno Haible and taken from
7804 similar wording in gettext's PACKAGING file.
7805 * NEWS: Mention PACKAGING.
7806 * Makefile.am (EXTRA_DIST): Add PACKAGING.
7807
78082005-07-12 Paul Eggert <eggert@cs.ucla.edu>
7809
7810 * NEWS: Document recent i18n improvements.
7811 * bootstrap: Get runtime translations into runtime-po.
7812 Create runtime-po files automatically, if possible.
7813 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
7814 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
7815 does not infringe on the user's name space.
7816 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
7817 * doc/bison.texinfo (Internationalization): Revamp the English
7818 and Texinfo syntax a bit, to try to make it clearer.
7819 (Bison Options, Option Cross Key): Mention --print-localedir.
7820 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
7821 YYENABLE_NLS. Quote a bit more.
7822 * runtime-po/.cvsignore: New file.
7823 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
7824 * runtime-po/Rules-quot: Remove; now created by bootstrap.
7825 * runtime-po/quot.sed: Likewise.
7826 * runtime-po/boldquot.sed: Likewise.
7827 * runtime-po/en@quot.header: Likewise.
7828 * runtime-po/en@boldquot.header: Likewise.
7829 * runtime-po/insert-header.sin: Likewise.
7830 * runtime-po/remove-potcdate.sin: Likewise.
7831 * runtime-po/Makevars: Likewise.
7832 * runtime-po/LINGUAS: Likewise.
7833 * runtime-po/de.po: Likewise; we will rely on the translation project
7834 to maintain this, so "bootstrap" should get it.
7835 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
7836 its value.
7837 * src/main.c (main): Bind the bison-runtime domain, too.
7838
78392005-07-12 Bruno Haible <bruno@clisp.org>
7840
7841 * data/yacc.c: Include <libintl.h> when NLS is enabled.
7842 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
7843 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
7844 * runtime-po: New directory.
7845 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
7846 $(DOMAIN).pot-update rule, so that old messages are never dropped.
7847 * runtime-po/Rules-quot: New file, copied from po/.
7848 * runtime-po/quot.sed: Likewise.
7849 * runtime-po/boldquot.sed: Likewise.
7850 * runtime-po/en@quot.header: Likewise.
7851 * runtime-po/en@boldquot.header: Likewise.
7852 * runtime-po/insert-header.sin: Likewise.
7853 * runtime-po/remove-potcdate.sin: Likewise.
7854 * runtime-po/Makevars: New file.
7855 * runtime-po/POTFILES.in: New file.
7856 * runtime-po/LINGUAS: New file.
7857 * runtime-po/bison-runtime.pot: New file.
7858 * runtime-po/de.po: New file.
7859 * m4/bison.m4: New file.
7860 * Makefile.am (SUBDIRS): Add runtime-po.
7861 (aclocaldir, aclocal_DATA): New variables.
7862 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
7863 Define aclocaldir.
7864 * src/getargs.c (usage): Document --print-localedir option.
7865 (PRINT_LOCALEDIR_OPTION): New enum item.
7866 (long_options): Add --print-localedir option.
7867 (getargs): Handle --print-localedir option.
7868 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
7869 (Internationalization): New section.
7870
78712005-07-12 Akim Demaille <akim@epita.fr>
7872
7873 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
7874 for consistency with the rest of the code.
7875 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
7876 Add separators.
7877
78782005-07-12 Akim Demaille <akim@epita.fr>
7879
7880 * src/parse-gram.y: Use %printer instead of YYPRINT.
7881
78822005-07-12 Akim Demaille <akim@epita.fr>
7883
7884 * src/symtab.h, src/symtab.c (symbol_print): New.
7885 * src/symlist.h, src/symlist.c (symbol_list_print): New.
7886 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
7887
78882005-07-12 Akim Demaille <akim@epita.fr>
7889
7890 * data/glr.c (b4_syncline): Fix (swap) the definitions of
7891 b4_at_dollar and b4_dollar_dollar.
7892
78932005-07-11 Paul Eggert <eggert@cs.ucla.edu>
7894
7895 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
7896 and Pennello's paper.
7897
78982005-07-09 Paul Eggert <eggert@cs.ucla.edu>
7899
7900 * data/yacc.c (yyparse): Undo previous patch. Instead,
7901 set yylsp[0] and yyvsp[0] only if the initial action
7902 sets yylloc and yylval, respectively.
7903
7904 * data/yacc.c (yyparse): In the initial action, set
7905 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
7906 This avoids the use of undefined variables if the initial
7907 action does not set yylloc and/or yylval.
7908
79092005-07-07 Paul Eggert <eggert@cs.ucla.edu>
7910
7911 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
7912 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
7913 Remove from CVS. These files are automatically generated.
7914 * examples/extexi: Clarify that this file is now part of Bison,
7915 not GNU M4, and that it works with any POSIX-compatible Awk.
7916 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
7917 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
7918 so that we also get calc++-parser.yy. Geneate it.
7919 Use $(AWK), not gawk, since any conforming Awk will do.
7920 Put comment before action, since older 'make' can't handle comment
7921 in action.
7922 $(BUILT_SOURCES): List all built sources, not just some of them.
7923 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
7924 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
7925 $($(calc_sources_generated)): Remove unnecessary test for existence
7926 of target. (This had a shell syntax error anyway; a stray "x".)
7927 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
7928 calc++-parser.yy.
7929 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
7930
7931 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
7932 implied by the other modules.
7933
79342005-07-06 Akim Demaille <akim@epita.fr>
7935
7936 Bind examples/calc++ to the package.
7937 * examples/calc++/Makefile: Remove, replaced by...
7938 * examples/calc++/Makefile.am: ... this new file.
7939 * examples/calc++/test: Remove input.
7940 * examples/calc++/compile: Remove.
7941 * examples/Makefile.am: New.
7942 * configure.ac, Makefile.am: Adjust.
7943 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
7944
79452005-07-05 Paul Eggert <eggert@cs.ucla.edu>
7946
7947 * data/glr.c (yyFail): Drastically simplify; since the format argument
7948 never had any % directives, we can simply pass it to yyerror.
7949 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
7950 be modified later, as that is the usual style in glr.c.
7951 Problems reported by Paul Hilfinger.
7952
7953 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
7954 and size overflow errors.
7955 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
7956 in case the user prolog sets feature-test macros like _GNU_SOURCE.
7957 (YYSIZEMAX): New macro.
7958 (yystpcpy): New function, taken from yacc.c.
7959 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
7960 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
7961 so that we don't have to maintain their signatures.
7962 (yyFail): Check for buffer overflow, by using vsnprintf rather
7963 than vsprintf. Allocate a bigger buffer if possible.
7964 Report an error if buffer allocation fails.
7965 (yyStackOverflow): New function.
7966 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
7967 the initialization was successful. It might fail if storage was
7968 exhausted.
7969 (yyexpandGLRStack): Add more checks for storage allocation failure.
7970 Use yyStackOverflow to report failures.
7971 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
7972 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
7973 Don't assume stack number fits in int.
7974 (yysplitStack): Check for storage allocation failure.
7975 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
7976 can print diagnostics on storage allocation failure. All callers
7977 changed.
7978 (yyresolveValue): Use yybool for boolean.
7979 (yyreportSyntaxError): Check for size-calculation overflow.
7980 This code is taken from yacc.c.
7981 (yyparse): Check for storage allocation errors when allocating
7982 the initial stack.
7983
79842005-07-05 Akim Demaille <akim@epita.fr>
7985
7986 Extract calc++ from the documentation.
7987 * doc/bison.texinfo (Calc++): Add the extraction marks.
7988 * examples/extexi: New, from the aborted GNU Programming 2E.
7989 Separate the different paragraph of a file with empty lines.
7990 * examples/Makefile: Use it to extract the whole calc++ example.
7991
79922005-06-24 Akim Demaille <akim@epita.fr>
7993
7994 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
7995 class typedefs.
7996
79972005-06-22 Akim Demaille <akim@epita.fr>
7998
7999 * doc/bison.texinfo (C++ Language Interface): First stab.
8000 (C++ Parsers): Remove.
8001
80022005-06-22 Akim Demaille <akim@epita.fr>
8003
8004 * data/lalr1.cc (yylex_): Honor %lex-param.
8005
80062005-06-22 Akim Demaille <akim@epita.fr>
8007
8008 Start a set of simple examples.
8009 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
8010 * examples/calc++/calc++-driver.hh,
8011 * examples/calc++/calc++-parser.yy,
8012 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
8013 * examples/calc++/compile, examples/calc++/test: New.
8014
80152005-06-09 Paul Eggert <eggert@cs.ucla.edu>
8016
8017 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
8018 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
8019 which stems from the 2005-05-27 patch.
8020
80212005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8022
8023 * data/glr.c: Modify treatment of unused parameters to permit use
8024 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
8025
80262005-05-30 Paul Eggert <eggert@cs.ucla.edu>
8027
8028 Fix infringement on user name space reported by Janos Zoltan Szabo.
8029 * data/yacc.c (yyparse): strlen -> yystrlen.
8030
80312005-05-30 Akim Demaille <akim@epita.fr>
8032
8033 * data/lalr1.cc (_): New.
8034 Translate the various messages.
8035
80362005-05-27 Paul Eggert <eggert@cs.ucla.edu>
8037
8038 Fix infringement on user name space reported by Bruno Haible.
8039 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
8040 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
8041 the user's name space.
8042 (alloca): Include <stdlib.h> to get it, if it's not built in.
8043 (YYMALLOC, YYFREE): Define only if needed.
8044 (malloc, free): Declare, but only if needed, as this infringes on
8045 the user name space.
8046
80472005-05-25 Paul Eggert <eggert@cs.ucla.edu>
8048
8049 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
8050 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
8051 with %d format.
8052 * lib/ebitset.c (min, max): Undef before defining.
8053 * lib/vbitset.c (min, max): Likewise.
8054 * lib/subpipe.c (create_subpipe): Save local variables in case
8055 vfork clobbers them.
8056
80572005-05-24 Bruno Haible <bruno@clisp.org>
8058
8059 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
8060 error message syntax used by gcc-4.0.
8061
80622005-05-23 Paul Eggert <eggert@cs.ucla.edu>
8063
8064 * README: Mention m4 1.4.3. Remove obsolete advice about
8065 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
8066
8067 * bootstrap: Remove workaround for problem I encountered with
8068 gettext 0.14.1; it seems to be fixed now.
8069
80702005-05-22 Paul Eggert <eggert@cs.ucla.edu>
8071
8072 * NEWS: Version 2.0a.
8073
8074 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
8075 the previous change.
8076
8077 Various maintainer cleanups.
8078 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
8079 conftest*, for benefit of CVS commands run at the same time as
8080 "configure". Add build-aux, since "bootstrap" now creates it and
8081 its subfiles.
8082 * Makefile.cfg (move_if_change): Remove.
8083 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
8084 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
8085 (po_repo, do-po-update, po-update, wget_files, get-targets):
8086 (config.guess-url_prefix, config.sub-url_prefix):
8087 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
8088 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
8089 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
8090 Remove.
8091 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
8092 this is now the recommended name.
8093 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
8094 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
8095 ylwrap. These files now go into build-aux.
8096 * config/move-if-change: Remove.
8097 * config/prev-version.txt: Bump from 1.75 to 2.0.
8098
8099 * bootstrap: Add stdio-safer, unistd-safer modules.
8100 Remove m4/glibc2.m4 (introduced by latest gnulib, but
8101 we don't need it).
8102 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
8103 fopen-safer.c, stdio-safer.h, unistd-safer.h.
8104 * lib/subpipe.c: Include "unistd-safer.h".
8105 (create_subpipe): Make sure all the newly-created
8106 file descriptors are > 2, so that diagnostics don't
8107 get sent down them (which might cause Bison to hang, in theory).
8108 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
8109 * src/files.c (xfopen): Use fopen_safer, not fopen.
8110
8111 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
8112 yesterday's yacc.c fix.
8113
81142005-05-21 Paul Eggert <eggert@cs.ucla.edu>
8115
8116 * data/glr.c, data/lalr1.cc: Update copyright date.
8117
8118 Fix a destructor bug reported by Wolfgang Spraul in
8119 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
8120 * data/yacc.c (yyabortlab): Don't call destructor, and
8121 don't set yychar to EMPTY.
8122 (yyoverflowlab): Don't call destructor.
8123 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
8124 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
8125 since we no longer output the message "discarding lookahead token
8126 end of input ()".
8127
81282005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
8129
8130 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
8131 fix a small glitch in debugging output.
8132 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
8133 after YY_SYMBOL_PRINT where needed.
8134
8135 (struct yyGLRState): Add some comments.
8136 (struct yySemanticOption): Add some comments.
8137 (union yyGLRStackItem): Add comment.
8138
8139 (yymergeOptionSets): Correct this to properly perform the union,
8140 avoiding infinite reported by Michael Rosien.
8141 Update comment.
8142
8143 * tests/glr-regression.at: Add test for GLR merging error reported
8144 by M. Rosien.
8145
81462005-05-13 Paul Eggert <eggert@cs.ucla.edu>
8147
8148 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
8149 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
8150 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
8151 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
8152 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
8153 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
8154 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
8155 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
8156 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
8157 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
8158 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
8159 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
8160 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
8161 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
8162 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
8163 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
8164 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
8165 src/derives.h, src/files.c, src/files.h, src/getargs.c,
8166 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
8167 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
8168 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
8169 src/output.h, src/parse-gram.c, src/parse-gram.h,
8170 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
8171 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
8172 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
8173 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
8174 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
8175 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
8176 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
8177 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
8178 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
8179 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
8180 tests/reduce.at, tests/regression.at, tests/sets.at,
8181 tests/synclines.at, tests/testsuite.at, tests/torture.at:
8182 Update FSF postal mail address.
8183
81842005-05-11 Paul Eggert <eggert@cs.ucla.edu>
8185
8186 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
8187 Problem reported by Ralf Menzel.
8188
81892005-05-01 Paul Eggert <eggert@cs.ucla.edu>
8190
8191 * tests/actions.at: Test that stack overflow invokes destructors.
8192 From Marcus Holland-Moritz.
8193 * data/yacc.c (yyerrlab): Move the code that destroys the stack
8194 from here....
8195 (yyreturn): to here. That way, destructors are called properly
8196 even if the stack overflows, or the user calls YYACCEPT or
8197 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
8198 (yyoverflowlab): Destroy the lookahead.
8199
82002005-04-24 Paul Eggert <eggert@cs.ucla.edu>
8201
8202 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
8203
82042005-04-17 Paul Eggert <eggert@cs.ucla.edu>
8205
8206 * NEWS: Bison-generated C parsers no longer quote literal strings
8207 associated with tokens.
8208 * src/output.c (prepare_symbols): Don't escape strings,
8209 since users don't want to see C escapes.
8210 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
8211 in diagnostics.
8212 * tests/input.at (Torturing the Scanner): Likewise.
8213 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
8214
82152005-04-16 Paul Eggert <eggert@cs.ucla.edu>
8216
8217 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
8218 the data size is known to be too small and we can't increase it.
8219 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
8220
82212005-04-15 Paul Eggert <eggert@cs.ucla.edu>
8222
8223 * src/parse-gram.y: Include quotearg.h.
8224 (string_as_id): Quote $1 before using it as a key, since the
8225 lexer no longer quotes it for us.
8226 (string_content): Don't strip quotes, since lexer no longer
8227 quotes it for us.
8228 * src/scan-gram.l: Include quotearg.h.
8229 ("\""): Omit quote.
8230 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
8231 a key, since the rest of the lexer doesn't quote it.
8232 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
8233 * tests/regression.at (Token definitions): Check for backslashes
8234 in token strings.
8235
8236 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
8237 (YYSIZE_T): Define to unsigned long int when using an older compiler.
8238 (yyparse): Revamp code to generate long syntax error message, to
8239 make it easier to translate, and to avoid problems with arithmetic
8240 overflow. Change "virtual memory" to "memory" in diagnostic, since
8241 we don't know whether the memory is virtual.
8242
82432005-04-13 Paul Eggert <eggert@cs.ucla.edu>
8244
8245 * NEWS: Bison-generated C parsers now use the _ macro to
8246 translate strings.
8247 * data/yacc.c (_) [!defined _]: New macro.
8248 All English strings wrapped inside this macro.
8249 * doc/bison.texinfo (Bison Parser): Document _.
8250 * po/POTFILES.in: Include src/parse-gram.c, since it now
8251 includes translateable strings that parse-gram.y doesn't.
8252
82532005-04-12 Paul Eggert <eggert@cs.ucla.edu>
8254
8255 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
8256 reverting the 2004-10-11 change to this function.
8257 (symbol_check_alias_consistency): Don't call symbol_type_set
8258 if the type name is already correct.
8259 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
8260
82612005-03-25 Paul Eggert <eggert@cs.ucla.edu>
8262
8263 * tests/regression.at (Token definitions): Don't use a token named
8264 c, as that generates a "#define c ..." that runs afoul of buggy
8265 stdlib.h that uses the identifier c as a member of struct
8266 drand48_data. Problem reported by Horst Wente.
8267
82682005-03-21 Paul Eggert <eggert@cs.ucla.edu>
8269
8270 * bootstrap: Change translation URL from
8271 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
8272 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
8273 redirection glitches. Problem reported by twlevo@xs4all.nl.
8274
82752005-03-20 Paul Eggert <eggert@cs.ucla.edu>
8276
8277 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
8278 after operands; POSIX says this isn't portable for the c99 command.
8279
82802005-03-18 Paul Eggert <eggert@cs.ucla.edu>
8281
8282 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
8283 immediately if a data overrun has occurred; this may help us track
8284 down what may be a spurious failure on MacOS.
8285
82862005-03-17 Paul Eggert <eggert@cs.ucla.edu>
8287
8288 Respond to problems reported by twlevo@xs4all.nl.
8289
8290 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
8291
8292 * src/vcg.h: Comment fix.
8293 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
8294 (G_CMAX): Change to -1 instead of INT_MAX.
8295
8296 * data/yacc.c (yyparse): Omit spaces before #line.
8297
82982005-03-15 Paul Eggert <eggert@cs.ucla.edu>
8299
8300 * src/tables.c (state_number_to_vector_number): Put it inside an
8301 "#if 0", since it's not currently used. Problem reported by
8302 Roland McGrath.
8303
83042005-03-06 Paul Eggert <eggert@cs.ucla.edu>
8305
8306 * src/output.c (escaped_output): Renamed from
8307 escaped_file_name_output, since we now use it for symbol tags as
8308 well. All uses changed.
8309 (symbol_destructors_output, symbol_printers_output):
8310 Escape symbol tags too.
8311 Problem reported by Matyas Forstner in
8312 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
8313
8314 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
8315 not needed.
8316 * src/output.c (user_actions_output, token_definitions_output,
8317 symbol_destructors_output, symbol_printers_output): Likewise.
8318 * src/reader.c (prologue_augment): Likewise.
8319 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
8320
8321 * src/vcg.c (output_edge): Don't quote linestyle arg.
8322 Problem reported by twlevo@xs4all.nl.
8323
83242005-02-28 Paul Eggert <eggert@cs.ucla.edu>
8325
8326 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
8327 example, reported by Derek M Jones. Also, make the example even
8328 more outrageous, to better illustrate how bad the problem is.
8329
83302005-02-24 Paul Eggert <eggert@cs.ucla.edu>
8331
8332 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
8333 putsym. Typo reported by Sebastian Piping.
8334
83352005-02-23 Paul Eggert <eggert@cs.ucla.edu>
8336
8337 * doc/bison.texinfo (Language and Grammar): some -> same
8338 (Epilogue): int he -> in the
8339 Typos reported by Sebastian Piping via Justin Pence.
8340
83412005-02-07 Paul Eggert <eggert@cs.ucla.edu>
8342
8343 * tests/glr-regression.at (Improper handling of embedded actions
8344 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
8345 embedded actions and $-N in GLR parsers", work around an Autoconf bug
8346 with dollar signs in test names.
8347 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
8348 for a similar reason.
8349
83502005-01-28 Paul Eggert <eggert@cs.ucla.edu>
8351
8352 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
8353 wants to redefine G_VIEW.
8354
83552005-01-27 Paul Eggert <eggert@cs.ucla.edu>
8356
8357 * src/vcg.c (get_view_str): Remove case for normal_view.
8358 Problem reported by twlevo@xs4all.nl.
8359
83602005-01-24 Paul Eggert <eggert@cs.ucla.edu>
8361
8362 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
8363 Problem reported by twlevo@xs4all.nl.
8364
8365 * doc/bison.texinfo: Change @dircategory from "GNU programming
8366 tools" to "Software development". Requested by Richard Stallman
8367 via Karl Berry.
8368
83692005-01-23 Paul Eggert <eggert@cs.ucla.edu>
8370
8371 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
8372 Problem reported by twlevo@xs4all.nl.
8373
83742005-01-21 Paul Eggert <eggert@cs.ucla.edu>
8375
8376 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
8377 keyword; it's not needed with modern compilers, and it doesn't
8378 affect correctness with older compilers. Suggested by
8379 twlevo@xs4all.nl.
8380
83812005-01-17 Paul Eggert <eggert@cs.ucla.edu>
8382
8383 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
8384 gcc -Wswitch-default.
8385 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
8386 * data/yacc.c (yyparse): Likewise.
8387
83882005-01-12 Paul Eggert <eggert@cs.ucla.edu>
8389
8390 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
8391 already. Let config.h define any nonstandard values.
8392
83932005-01-10 Paul Eggert <eggert@cs.ucla.edu>
8394
8395 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
8396 for the benefit of slower hosts. Problem reported by
8397 Nelson H. F. Beebe.
8398
83992005-01-07 Paul Eggert <eggert@cs.ucla.edu>
8400
8401 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
8402 being defined and not used.
8403 * data/lalr1.cc (yyparse): Likewise.
8404 Use "if (false)" rather than "if (0)".
8405
84062005-01-05 Paul Eggert <eggert@cs.ucla.edu>
8407
8408 * TODO: Mention that we should allow NUL bytes in tokens.
8409
84102005-01-02 Paul Eggert <eggert@cs.ucla.edu>
8411
8412 * src/scan-skel.l (<<EOF>>): Don't close standard output.
8413 Problem reported by Hans Aberg.
8414
84152005-01-01 Paul Eggert <eggert@cs.ucla.edu>
8416
8417 * src/getargs.c (version): Happy new year; update overall
8418 program copyright date from 2004 to 2005.
8419
8420 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
8421 Problem reported by Hans Aberg.
8422 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
8423 (Output file names.): Add a test for the case when standard output
8424 is closed.
8425
84262004-12-26 Paul Eggert <eggert@cs.ucla.edu>
8427
8428 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
8429 to fix an oversight in the Bison 2.0 manual.
8430
84312004-12-25 Paul Eggert <eggert@cs.ucla.edu>
8432
8433 * NEWS: Version 2.0. Reformat the existing news items since
8434 1.875, so that related items are grouped together.
8435 * configure.ac (AC_INIT): Bump version to 2.0.
8436 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
8437
8438 * tests/torture.at (Exploding the Stack Size with Alloca): Set
8439 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
8440 otherwise, we're not testing alloca. Unfortunately there's no
8441 simple way to consult HAVE_ALLOCA here.
8442
8443 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
8444 for yymsg, too.
8445
8446 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
8447 hand. This avoids a warning about comparing int to size_t when
8448 GCC warnings are enabled.
8449
84502004-12-22 Paul Eggert <eggert@cs.ucla.edu>
8451
8452 * NEWS: Bison-generated parsers no longer default to using the
8453 alloca function (when available) to extend the parser stack, due
8454 to widespread problems in unchecked stack-overflow detection.
8455 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
8456 responsibility to set it to a positive value. This lets the user
8457 specify a value that is not a preprocessor constant.
8458 * data/yacc.c (YYMAXDEPTH): Likewise.
8459 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
8460 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
8461 to be a compile-time constant. However, explain the constraints on it.
8462 Also, explain the constraints on YYINITDEPTH.
8463 (Table of Symbols): Explain that alloca is no longer the default.
8464 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
8465 to 1.
8466
8467 * doc/bison.texinfo (Location Default Action): Mention that n must
8468 be zero when k is zero. Suggested by Frank Heckenbach.
8469
84702004-12-22 Akim Demaille <akim@epita.fr>
8471
8472 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
8473 (parser::state_type, parser::semantic_type, parser::location_type):
8474 Private, not public.
8475 (parser::parse): Return ints, not bool.
8476 Returning a bool introduces a problem: 0 corresponds to false, and
8477 it seems weird to return false on success. Returning true changes
8478 the conventions for yyparse.
8479 Alternatively we could return void and send an exception.
8480 There is no clear consensus (yet?).
8481 (state_stack, semantic_stack, location_stack): Rename as...
8482 (state_stack_type, semantic_stack_type, location_stack_type): these.
8483 Private, not public.
8484 * tests/c++.at: New.
8485 * tests/testsuite.at, tests/Makefile.am: Adjust.
8486
84872004-12-21 Akim Demaille <akim@epita.fr>
8488
8489 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
8490
84912004-12-21 Akim Demaille <akim@epita.fr>
8492
8493 Don't impose std::string for filenames.
8494
8495 * data/lalr1.cc (b4_filename_type): New.
8496 (position::filename): Use it.
8497 (parser.hh): Move the inclusion of stack.hh and location.hh below
8498 the user code, so that needed headers for the filename type can be
8499 included first.
8500 Forward declare them before the user code.
8501 * tests/Makefile.am (check-local, installcheck-local): Pass
8502 TESTSUITEFLAGS to the TESTSUITE.
8503
85042004-12-20 Akim Demaille <akim@epita.fr>
8505
8506 Use more STL like names: my_class instead of MyClass.
8507
8508 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
8509 (SemanticStack, SemanticType, StateStack, StateType)
8510 (TokenNumberType, Stack, Slice, Traits, Parser::location)
8511 (Parser::value): Rename as...
8512 (location_stack, location_type, rhs_number_type, semantic_stack)
8513 (semantic_type, state_stack, state_type, token_number_type, stack)
8514 (slice, traits, parser::yylloc, parser::yylval): these.
8515
8516 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
8517
85182004-12-19 Paul Eggert <eggert@cs.ucla.edu>
8519
8520 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
8521 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
8522
85232004-12-17 Paul Eggert <eggert@cs.ucla.edu>
8524
8525 Remove uses of 'short int' and 'unsigned short int'. This raises
8526 some arbitrary limits. It uses more memory but nowadays that's
8527 not much of an issue.
8528
8529 This change does not affect the generated parsers; that's a different
8530 task, as some users will want to conserve memory there.
8531
8532 Ideally we should use size_t to represent all object counts, and
8533 something like ptrdiff_t to represent signed differences of object
8534 counts; but that will require more code-cleanup than I have the
8535 time to do right now.
8536
8537 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
8538 Use size_t, not int or short int, to count objects.
8539 * src/closure.c (nritemset, closure): Likewise.
8540 * src/closure.h (nritemset, closure): Likewise.
8541 * src/nullable.c (nullable_compute): Likewise.
8542 * src/print.c (print_core): Likewise.
8543 * src/print_graph.c (print_core): Likewise.
8544 * src/state.c (state_compare, state_hash): Likewise.
8545 * src/state.h (struct state): Likewise.
8546 * src/tables.c (default_goto, goto_actions): Likewise.
8547
8548 * src/gram.h (rule_number, rule): Use int, not short int.
8549 * src/output.c (prepare_rules): Likewise.
8550 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
8551 errs, reductions): Likewise.
8552 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
8553 Likewise.
8554 * src/tables.c (vector_number, tally, action_number,
8555 ACTION_NUMBER_MINIMUM): Likewise.
8556 * src/output.c (muscle_insert_short_int_table): Remove.
8557
85582004-12-17 Akim Demaille <akim@epita.fr>
8559
8560 * data/lalr1.cc: Extensive Doxygenation.
8561 (error_): Rename as...
8562 (error): this, since it is visible to the user.
8563 Adjust callers.
8564 (Parser::message): Now an automatic variable from...
8565 (Parser::yyreport_syntax_error_): here.
8566 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
8567 Parser::error.
8568 * tests/input.at: Escape $.
8569
85702004-12-16 Paul Eggert <eggert@cs.ucla.edu>
8571
8572 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
8573 Parenthesize rhs to avoid obscure problems with mistakes like
8574 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
8575 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
8576 b4_rhs_location): Likewise.
8577 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
8578 b4_rhs_location): Likewise.
8579
85802004-12-16 Akim Demaille <akim@epita.fr>
8581
8582 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
8583 yacc.c: be sure to stay within yycheck_.
8584 * tests/actions.at: Re-enable C++ tests.
8585
85862004-12-16 Akim Demaille <akim@epita.fr>
8587
8588 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
8589 real.
8590
85912004-12-16 Akim Demaille <akim@epita.fr>
8592
8593 Use #define to handle the %name-prefix.
8594
8595 * data/glr.c, data/yacc.c: Comment changes.
8596 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
8597 so that one can refer to yylex in the parser file, and have it
8598 renamed, as is the case with other skeletons.
8599
86002004-12-16 Akim Demaille <akim@epita.fr>
8601
8602 Move lalr1.cc internals into yy*.
8603
8604 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
8605 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
8606 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
8607 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
8608 (empty_, final_, terror_, errcode_, ntokens_)
8609 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
8610 (looka_, ilooka_, error_range_, nerrs_):
8611 Rename as...
8612 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
8613 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
8614 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
8615 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
8616 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
8617 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
8618 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
8619 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
8620 these.
8621
86222004-12-15 Paul Eggert <eggert@cs.ucla.edu>
8623
8624 Fix some problems reported by twlevo at xs4all.
8625 * src/symtab.c (symbol_new): Report an error if the input grammar
8626 contains too many symbols. This is better than calling abort() later.
8627 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
8628 (struct node, struct graph):
8629 Rename member expand to stretch. All uses changed.
8630 (struct graph): Remove member layoutalgorithm. All uses removed.
8631 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
8632 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
8633 All uses changed.
8634 (N_STRETCH): Rename from N_EXPAND. All uses changed.
8635
86362004-12-15 Akim Demaille <akim@epita.fr>
8637
8638 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
8639 Add more Doxygen comments.
8640 (symprint_, stack_print_, reduce_print_, destruct_, pop)
8641 (report_syntax_error_, translate_): Rename as...
8642 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
8643 (yypop_, yyreport_syntax_error_, yytranslate_): this.
8644
86452004-12-15 Akim Demaille <akim@epita.fr>
8646
8647 * data/lalr1.cc (lex_): Rename as...
8648 (yylex_): this.
8649 Move the trace here.
8650 Take the %name-prefix into account.
8651 Reported by Alexandre Duret-Lutz.
8652
86532004-12-15 Akim Demaille <akim@epita.fr>
8654
8655 Simplify the C++ parser constructor.
8656
8657 * data/lalr1.cc (debug_): Rename as...
8658 (yydebug_): so that the parser's internals are always in the yy*
8659 pseudo namespace.
8660 Adjust uses.
8661 (b4_parse_param_decl): Remove the leading comma as it is now only
8662 called as unique argument list.
8663 (Parser::Parser): Remove the constructor accepting a location and
8664 an initial debugging level.
8665 Remove from the other ctor the argument for the debugging level.
8666 (debug_level_type, debug_level, set_debug_level): New.
8667
8668 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
8669 constructor calls.
8670
86712004-12-15 Akim Demaille <akim@epita.fr>
8672
8673 Remove b4_root related material: failure experiment
8674 (which goal was to allow to derive from a class).
8675
8676 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
8677 definitions and uses.
8678
86792004-12-14 Paul Eggert <eggert@cs.ucla.edu>
8680
8681 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
8682 not 2, since it's not portable to subtract 1 from the start of an
8683 array. The new item 0 is never set or used. All uses changed.
8684
8685 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
8686 the default definition of YYLLOC_DEFAULT. Problem reported
8687 by Frank Heckenbach.
8688
86892004-12-12 Paul Eggert <eggert@cs.ucla.edu>
8690
8691 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
8692 the normal case and one for the error case. Just use the
8693 first one uniformly. Problem reported by Frank Heckenbach.
8694 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
8695 use exactly the same macro in both places.
8696 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
8697 so that the normal-case YYRHSLOC works for the error case too.
8698 All uses changed.
8699 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
8700 (YYLLOC_DEFAULT): Use the same macro as glr.c.
8701 * doc/bison.texinfo (Location Default Action): Don't claim that
8702 we have an array of locations. Use the same macro for both glr
8703 and lalr parsers. Mention YYRHSLOC. Mention what happens when
8704 the index is 0.
8705
87062004-12-10 Paul Eggert <eggert@cs.ucla.edu>
8707
8708 * HACKING: Update email addresses to send announcements to.
8709
8710 * configure.ac (AC_INIT): Bump version to 1.875f.
8711
87122004-12-10 Paul Eggert <eggert@cs.ucla.edu>
8713
8714 * NEWS: Version 1.875e.
8715 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
8716
8717 * src/scan-skel.l: Include "complain.h", for "fatal".
8718
8719 * src/relation.h (relation_print, relation_digraph):
8720 Relation sizes are of type relation_node, not size_t (this is
8721 merely a doc fix, since the two types are equivalent).
8722 (relation_transpose): Relation sizes are of type relation_node,
8723 not int.
8724 * src/relation.c: Likewise.
8725 (top, infinity): Now of type relation_node, not int.
8726 (traverse, relation_transpose): Use relation_node, not int.
8727
8728 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
8729 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
8730 (yyparse): Remove unused local introduced in 2004-10-25 patch.
8731
8732 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
8733 specifying whether the test should be skipped. Use it tp
8734 specify that the [%defines %skeleton "lalr1.cc"] tests currently
8735 fail on some hosts, and should be skipped.
8736
87372004-12-08 Paul Eggert <eggert@cs.ucla.edu>
8738
8739 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
8740 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
8741 unless otherwise specified below.
8742
8743 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
8744 to allocate kernel_base, kernel_items, kernel_size, since
8745 they needn't be initialized to 0.
8746 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
8747 * src/closure.c (new_closure): Likewise, for itemset.
8748 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
8749 * src/lalr.c (set_goto_map): Likewise, for temp_map.
8750 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
8751 (build_relations): Likewise for edge, states1, includes.
8752 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
8753 * src/reader.c (packgram): Likewise, for ritem, rules.
8754 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
8755 * src/relation.c (relation_digraph): Likewise for VERTICES.
8756 (relation_transpose): Likewise for new_R, end_R.
8757 * src/symtab.c (symbols_token_translations_init): Likewise for
8758 token_translations.
8759 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
8760 (token_actions): Likewise for yydefact, actrow, conflrow,
8761 conflict_list.
8762 (save_column): Likewise for froms[symno], tos[symno].
8763 (goto_actions): Likewise for state_count.
8764 (pack_table): Likewise for base, pos, check.
8765 (tables_generate): Likewise for width.
8766
8767 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
8768 for initial core. Just have a separate core, so we needn't worry
8769 about whether kernel_size and kernel_base are initialized.
8770
8771 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
8772 kernel_size, kernel_items): Remove unnecessary initialization.
8773 * src/conflicts.c (conflicts): Likewise.
8774 * src/derives.c (derives): Likewise.
8775 * src/muscle_tablc (muscle_insert): Likewise.
8776 * src/relation.c (relation_digraph): Likewise.
8777 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
8778 conflrow, conflict_table, conflict_list, table, check):
8779 Likewise.
8780
8781 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
8782 This is because all callers pass unsigned int.
8783 * src/closure.h (new_closure): Likewise.
8784
8785 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
8786 (build_relations): Initialize includes[i] in all cases.
8787 * src/reader.c (packgram): Always initialize rules[ruleno].prec
8788 and rules[ruleno].precsym. Initialize members in order.
8789 * src/relation.c (relation_transpose): Always initialize new_R[i]
8790 and end_R[i].
8791 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
8792
8793 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
8794 conflict_list[0] was always 0, but now it isn't initialized.
8795
8796 * src/table.c (table_grow): When conflict_table grew, the grown
8797 area wasn't cleared. Fix this.
8798
8799 * lib/.cvsignore: Add strdup.c, strdup.h.
8800 * m4/.cvsignore: Add strdup.m4.
8801
88022004-12-07 Paul Eggert <eggert@cs.ucla.edu>
8803
8804 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
8805 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
8806 GOTO_NUMBER_MAXIMUM, since we occasionally compute
8807 ngotos + 1 without checking for overflow.
8808 (build_relations): Use END_NODE, not -1, to denote end of edges.
8809 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
8810 build_relations): Use goto_number, not int, for goto numbers.
8811 * src/tables.c (save_column, default_goto): Likewise.
8812
88132004-11-23 Akim Demaille <akim@epita.fr>
8814
8815 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
8816 of #defining from yystype.
8817 Don't typedef yystype, C++ does not need it.
8818 This lets it possible to forward declare it as union.
8819
88202004-11-23 Paul Eggert <eggert@cs.ucla.edu>
8821
8822 * bootstrap (gnulib_modules): Add extensions.
8823 Problem reported by Jim Meyering.
8824
88252004-11-22 Paul Eggert <eggert@cs.ucla.edu>
8826
8827 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
8828 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
8829 src/system.h, src/tables.c: XFREE -> free, to accommodate
8830 recent change to gnulib xalloc.h.
8831 Problem reported by Jim Meyering.
8832
88332004-11-17 Akim Demaille <akim@epita.fr>
8834
8835 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
8836
88372004-11-17 Akim Demaille <akim@epita.fr>,
8838 Alexandre Duret-Lutz <adl@gnu.org>
8839
8840 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
8841 changes.
8842 (YYCDEBUG): Adjust.
8843 Use it instead of cdebug_.
8844 (Parser::debug_stream, Parser::set_debug_stream): New.
8845 (Parser::symprint_): Define cdebug_ for temporary backward
8846 compatibility.
8847 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
8848 debug_stream ().
8849
88502004-11-17 Akim Demaille <akim@epita.fr>
8851
8852 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
8853 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
8854 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
8855 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
8856
88572004-10-27 Paul Eggert <eggert@cs.ucla.edu>
8858
8859 * data/glr.c (yyloc_default): Remove; not used.
8860 Problem reported by Frank Heckenbach.
8861
88622004-10-25 Akim Demaille <akim@epita.fr>
8863
8864 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
8865 Introduce another definition to address simple location arrays.
8866 (yyGLRStack): New member: yyerror_range.
8867 (yyrecoverSyntaxError, yyparse): Update it.
8868 (yyrecoverSyntaxError): Use it when shifting the error token to
8869 have an accurate range, equivalent to the one computed by both
8870 yacc.c and lalr1.cc.
8871 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
8872 that column numbers start at column 0, as per GNU Coding
8873 Standards, the others tests, and the doc.
8874 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
8875 Adjust to the above change (first column is 0).
8876 And adjust the location of the "<error>", now covering the whole
8877 line.
8878
88792004-10-22 Akim Demaille <akim@epita.fr>
8880 and Paul Eggert <eggert@cs.ucla.edu>
8881
8882 Remove some arbitrary limits on goto numbers and relations.
8883 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
8884 initial values, since they're never used.
8885 (set_goto_map): ngotos is now unsigned, so test for overflow
8886 by seeing whether it wraps around to zero.
8887 * src/lalr.h (goto_number): Now size_t, not short int.
8888 (GOTO_NUMBER_MAXIMUM): Remove.
8889 * src/relation.c (relation_print, traverse, relation_transpose):
8890 Check for END_NODE rather than looking at sign.
8891 * src/relation.h (END_NODE): New macro.
8892 (relation_node): Now size_t, not short int.
8893
88942004-10-22 Paul Eggert <eggert@cs.ucla.edu>
8895
8896 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
8897 keyword, not an identifier. Problem reported by Baron Schwartz in
8898 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
8899
89002004-10-11 Akim Demaille <akim@epita.fr>
8901
8902 * src/symtab.c (symbol_check_alias_consistency): Also check
8903 type names, destructors, and printers.
8904 Reported by Alexandre Duret-Lutz.
8905 Recode the handling of associativity and precedence in terms
8906 of symbol_precedence_set.
8907 Accept no redeclaration at all, not even equal to the previous
8908 value.
8909 (redeclaration): New.
8910 Use it to factor redeclaration complaints.
8911 (symbol_make_alias): Don't set the type of the alias, let
8912 symbol_check_alias_consistency do it as for other features.
8913 * src/symtab.h (symbol): Add new member prec_location, and
8914 type_location.
8915 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
8916 * tests/input.at (Incompatible Aliases): New.
8917
89182004-10-09 Paul Eggert <eggert@cs.ucla.edu>
8919
8920 .cvsignore fixes to accommodate gnulib changes,
8921 and the practice of naming build directories "_build".
8922 * .cvsignore: Add "_*". Sort.
8923 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
8924 * m4/.cvsignore: Add "*_gl.m4".
8925
89262004-10-06 Akim Demaille <akim@epita.fr>
8927
8928 * src/parse-gram.y (add_param): Fix the truncation of trailing
8929 spaces.
8930
89312004-10-05 Akim Demaille <akim@epita.fr>
8932
8933 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
8934 whether the reducion was empty or not. This leaves room to
8935 improve the use of YYLLOC_DEFAULT in such a case.
8936 lalr1.cc is still experimental, so changing this is acceptable.
8937 And finally, there are probably not many users who changed the
8938 handling of locations in GLR, so changing is admissible too.
8939
8940 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
8941 empty reduction, set @$ to an empty location ending the previously
8942 stacked symbol.
8943 Adjust uses to make sure the code is triggered on empty
8944 reductions.
8945 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
8946 expected output: empty reductions have empty locations.
8947
89482004-09-29 Akim Demaille <akim@epita.fr>
8949
8950 * data/lalr1.cc: Move towards a more standard C++ coding style
8951 for templates: Class < T > -> Class<T>.
8952
89532004-09-29 Akim Demaille <akim@epita.fr>
8954
8955 * data/lalr1.cc: Reinstall the former ctor, for sake of
8956 compatibility, but warn it will be removed.
8957 Move towards a more standard C++ coding style (i.e., type *var ->
8958 type* var).
8959
89602004-09-27 Paul Eggert <eggert@cs.ucla.edu>
8961
8962 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
8963 since it's less likely to work if NULs are involved in the future.
8964
89652004-09-27 Akim Demaille <akim@epita.fr>
8966
8967 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
8968
89692004-09-27 Akim Demaille <akim@epita.fr>
8970
8971 * data/lalr1.cc (b4_parse_param_decl_1): New.
8972 (b4_parse_param_decl): Use it to have different names between attribute
8973 and argument names.
8974 (b4_cc_constructor_call): Likewise.
8975
89762004-09-24 Akim Demaille <akim@epita.fr>
8977
8978 * src/parse-gram.y (add_param): Strip the leading and trailing
8979 blanks from a formal argument declaration.
8980 (YY_LOCATION_PRINT): New.
8981
89822004-09-24 Akim Demaille <akim@epita.fr>
8983
8984 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
8985 after the location.
8986
89872004-09-24 Akim Demaille <akim@epita.fr>
8988
8989 * doc/bison.texinfo (Table of Symbols): Sort.
8990
89912004-09-21 Akim Demaille <akim@epita.fr>
8992
8993 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
8994 the useless parentheses.
8995 Suggested by Paul Eggert.
8996
89972004-09-20 Akim Demaille <akim@epita.fr>
8998
8999 Let the initial-action act on the look-ahead, and use it for the
9000 "initial push" (corresponding to an hypothetical beginning-of-file).
9001 And let lalr1.cc honor %initial-action.
9002
9003 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
9004 example.
9005 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
9006 (Parser::Parser): Remove the ctor that used to initialize it.
9007 (Parser::parse): Like in the other skeletons, issue the "starting
9008 parse" message before any action.
9009 Honor %initial-action.
9010 Initialize the stacks with the lookahead.
9011 * data/yacc.c: Let $$ and @$ in %initial-action designate the
9012 look-ahead.
9013 Push them in the stacks.
9014 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
9015
90162004-09-20 Akim Demaille <akim@epita.fr>
9017
9018 * doc/bison.texinfo (Initial Action Decl): New.
9019
90202004-09-20 Akim Demaille <akim@epita.fr>
9021
9022 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
9023 clearer criterion to define it.
9024 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
9025 When reducing on an empty RHS, use the latest stacked location as
9026 location.
9027 yylloc is not always available.
9028 * data/glr.c: Likewise.
9029 Also, honor initial-actions.
9030
90312004-09-20 Akim Demaille <akim@epita.fr>
9032
9033 * data/yacc.c (YY_LOCATION_PRINT): New.
9034 Define when we know YYLTYPE's structure, i.e., when the default
9035 YYLLOC_DEFAULT is used.
9036 * data/c.m4 (b4_yysymprint_generate): Use it.
9037 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
9038 value of the result.
9039 (error_start_): Replace with...
9040 (error_range_): this location array.
9041 This allows to replace code relying on the implementation of
9042 locations by portable code.
9043 * data/yacc.c (yylerrsp): Replace with...
9044 (yyerror_range): this.
9045 Every time a token is popped, update yyerror_range[0], to have an
9046 accurate location for the error token.
9047 * data/glr.c (YY_LOCATION_PRINT): New.
9048 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
9049 deference a pointer.
9050 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
9051 report the location in %printers.
9052
9053 * src/scan-skel.l: Instead of abort, report error messages to ease
9054 understanding skeleton scanning failures.
9055
90562004-09-16 Akim Demaille <akim@epita.fr>
9057
9058 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
9059 (iterator, const_iterator): these, to be more in the C++ spirit.
9060 Also, return reverse iterators so that when displaying the stack
9061 we display its bottom first.
9062 (Parser::stack_print_, Parser::reduce_print_): Match the messages
9063 from yacc.c.
9064 We should probably use vector here though.
9065
90662004-09-16 Akim Demaille <akim@epita.fr>
9067
9068 Have more complete shift traces.
9069
9070 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
9071 to report Shifts instead of ad hoc YYDPRINTF invocations,
9072 including for the error token.
9073 * data/lalr1.cc (symprint_): Output the location.
9074 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
9075 output the location within the %printer.
9076 Activate GLR tests, at least to make sure they compile properly.
9077 They still don't pass though.
9078 * tests/calc.at: Adjust expect verbose output, since now "Entering
9079 state..." is on a different line than the "Shifting" message.
9080
90812004-09-08 Akim Demaille <akim@epita.fr>
9082
9083 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
9084 Bison directive from the Bison file to the invocation of this
9085 macro, so that these directives are passed to
9086 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
9087 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
9088 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
9089 the extra Bison directives instead of the whole series.
9090 Change the grammar so that there are recoverable errors, and
9091 unrecoverable errors. Now we can have the parser give up before
9092 consuming the whole input. As a result we now can observe that
9093 the lookahead is freed when needed.
9094 Change the parser source to parse argv[1] instead of a hard coded
9095 string.
9096 Simplify yylex, and give a value and location to EOF.
9097 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
9098 passed directives already coded in the file.
9099 Add some tests to check the location of "error".
9100 For some tests, the C++ parser is correct, and not yacc.c.
9101 For other tests, they provide different, but unsatisfying, values,
9102 so keep the C++ value so that at least one parser is "correct"
9103 according to the test suite.
9104 (Actions after errors): Remove, this is subsumed by the
9105 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
9106
91072004-09-06 Akim Demaille <akim@epita.fr>
9108
9109 * data/lalr1.cc: Adjust the indentation of the labels.
9110 (Parser::pop): New.
9111 Use it.
9112
91132004-09-06 Akim Demaille <akim@epita.fr>
9114
9115 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
9116 argument, an informative message.
9117 Call YY_SYMBOL_PRINT.
9118 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
9119 * data/lalr1.cc (destruct_): Likewise.
9120 In addition, no longer depend on b4_yysymprint_generate and
9121 b4_yydestruct_generate to generate these functions, do it "by
9122 hand".
9123
91242004-09-03 Akim Demaille <akim@epita.fr>
9125
9126 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
9127 invoked, yydestruct the lookahead.
9128 * tests/calc.at (Calculator $1): Update the expected lengths of
9129 traces: there is an added line for the discarded lookahead.
9130 * doc/bison.texinfo (Destructor Decl): Some rewording.
9131 Define "discarded" symbols.
9132
91332004-09-02 Akim Demaille <akim@epita.fr>
9134
9135 * data/lalr1.cc (translate_, destruct_): No reason to be static.
9136
91372004-09-02 Akim Demaille <akim@epita.fr>
9138
9139 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
9140 (YYDSYMPRINTF): Rename as...
9141 (YY_SYMBOL_PRINT): this.
9142 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
9143 two.
9144 Use it instead of direct symprint_ calls.
9145 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
9146 one.
9147
91482004-09-02 Akim Demaille <akim@epita.fr>
9149
9150 * data/lalr1.cc (b4_yysymprint_generate): New.
9151 (symprint_): New member function, defined when YYDEBUG.
9152 Use it consistently instead of token/nterm debugging output by
9153 hand.
9154 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
9155 %printer calls to use cdebug_ when using lalr1.cc.
9156
91572004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
9158
9159 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
9160 with #ifdef YYDEBUG.
9161
91622004-08-26 Akim Demaille <akim@epita.fr>
9163
9164 * doc/bison.texinfo (Implementing Loops): Rename as...
9165 (Implementing Gotos/Loops): this.
9166
91672004-08-13 Paul Eggert <eggert@cs.ucla.edu>
9168
9169 Adjust to latest gnulib.
9170 * bootstrap (gnulib_modules): Add xalloc-die.
9171 Set LC_ALL=C so that file names sort consistently.
9172 Prefer the gnulib copies of gettext.m4, glibc21.m4,
9173 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
9174 uintmax_t.m4, ulonglong.m4.
9175 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
9176 po.m4 since we are now using _gl.m4 instead.
9177
91782004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
9179
9180 * src/scan-action.l: Remove. Scanning of semantic actions is
9181 handled in scan-gram.l.
9182
91832004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
9184
9185 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
9186
9187 * src/location.h (struct): The file member is a uniqstr.
9188 (equal_boundaries): Use UNIQSTR_EQ for comparison.
9189
91902004-07-22 Paul Eggert <eggert@cs.ucla.edu>
9191
9192 Fix bug with non-%union parsers that have printers or destructors,
9193 which led to a Bison core dump. Reported by Peter Fales in
9194 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
9195
9196 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
9197 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
9198 not to our own type.
9199 * src/output.c (symbol_destructors_output, symbol_printers_output):
9200 Don't assume %union.
9201 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
9202 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
9203 UNION-FLAG. All callers changed.
9204 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
9205 Use type char, not unsigned int, when declaring an array of char;
9206 this lets us remove a cast.
9207 (Printers and Destructors): Add non-%union test cases.
9208
92092004-06-21 Paul Eggert <eggert@cs.ucla.edu>
9210
9211 * doc/bison.texinfo: Minor editorial changes, mostly to the new
9212 GLR writeups. E.g., avoid frenchspacing and the future tense,
9213 change "lookahead" to "look-ahead", and change "wrt" to "with
9214 respect to".
9215
92162004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9217
9218 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
9219 New sections, split off from the GLR Parsers section. Put the new
9220 Simple GLR Parser near the start of the GLR section, for clarity.
9221 Rewrite connective text.
9222
92232004-06-21 Frank Heckenbach <frank@g-n-u.de>
9224
9225 * doc/bison.texinfo (Simple GLR Parsers): New section.
9226
92272004-06-21 Paul Eggert <eggert@cs.ucla.edu>
9228
9229 * NEWS, TODO, doc/bison.texinfo:
9230 Use "look-ahead" instead of "lookahead", to be consistent.
9231 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
9232 while we're fixing "look-ahead".
9233 * src/conflicts.c (shift_set): Renamed from shiftset.
9234 (look_ahead_set): Renamed from lookaheadset.
9235 * src/print.c: Likewise.
9236 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
9237 name for "lookahead".
9238 (report_types, usage): Likewise.
9239 * src/getargs.h (report_look_ahead_tokens): Renamed from
9240 report_lookaheads.
9241 * src/lalr.c (compute_look_ahead_tokens): Renamed from
9242 compute_lookaheads.
9243 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
9244 (look_ahead_tokens_print): Renamed from lookaheads_print.
9245 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
9246 state_rule_lookaheads_print.
9247 * src/state.h: Likewise.
9248 (reductions.look_ahead_tokens): Renamed from lookaheads.
9249 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
9250 AT_DATA_LOOKAHEADS_GRAMMAR.
9251
92522004-06-03 Paul Eggert <eggert@cs.ucla.edu>
9253
9254 * README: Update location of patched M4 distribution.
9255
92562004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
9257
9258 Don't assume the C++ compiler takes the same arguments as the C compiler
9259 (trivial change).
9260 * configure.ac (O0CXXFLAGS): New var.
9261 * tests/atlocal.in (CXXFLAGS): Use it.
9262
92632004-05-29 Paul Eggert <eggert@cs.ucla.edu>
9264
9265 Fix some "make check" problems with C++ reported by
9266 Albert Chin-A-Young for Tru64 C++ in this thread:
9267 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
9268
9269 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
9270 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9271 Output to a .cc file for C++, not to a .c file.
9272 * tests/calc.at (AT_CHECK_CALC): Likewise.
9273 * tests/regression.at (AT_CHECK_DANCER): Likewise.
9274 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
9275
92762004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
9277
9278 * tests/calc.at, tests/actions.at: Workaround for SGI
9279 C++ compiler. (trivial change)
9280
92812004-05-27 Paul Eggert <eggert@cs.ucla.edu>
9282
9283 Spent a few hours checking out which prerequisite versions the
9284 current sources actually require. I went all the way back to
9285 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
9286 a seemingly endless set of combinations of versions more recent
9287 than that. The bottom line is that the current sources require
9288 fairly recent versions of the build tools, and it'll be some work
9289 to change this.
9290 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
9291 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
9292 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
9293 Add comments explaining why those particular versions are
9294 currently needed.
9295
9296 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
9297 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
9298 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
9299
9300 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
9301 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
9302
93032004-05-26 Paul Eggert <eggert@cs.ucla.edu>
9304
9305 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
9306 0.11.5. Suggested by Bruno Haible.
9307 * bootstrap: Remove gettext version checking.
9308
9309 * doc/bison.texinfo (Decl Summary): Also mention that %union
9310 can depend on prerequisite types. Problem reported by Tim
9311 Van Holder.
9312
93132004-05-25 Paul Eggert <eggert@cs.ucla.edu>
9314
9315 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
9316 * README-alpha: Don't tell people not to package this.
9317
9318 * bootstrap: Don't assume $(...) works; use `...` instead.
9319 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
9320 gettext better.
9321
9322 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
9323 put into the -d output file, and mention what to do if YYSTYPE is
9324 defined as a macro.
9325
93262004-05-24 Paul Eggert <eggert@cs.ucla.edu>
9327
9328 Undo change made earlier today: it caused autopoint to not bring
9329 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
9330 autopoint's.
9331
9332 * bootstrap: Check that gettext version matches what's in
9333 configure.ac. Warn users to ignore robots.txt ERROR 404.
9334 * bootstrap: Undo today's earlier change (logged below).
9335 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
9336
9337 The gettext version checking is causing more trouble than it's
9338 curing; remove it. Problem reported by Paul Hilfinger.
9339
9340 * bootstrap: Issue a warning that one can expect a message
9341 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
9342 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
9343
93442004-05-23 Paul Eggert <eggert@cs.ucla.edu>
9345
9346 Ensure that the C++ compiler used for testing actually works on a
9347 simple test program; if not, skip the C++-related tests. Problem
9348 reported by Vin Shelton in:
9349 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
9350
9351 * m4/cxx.m4: New file.
9352 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
9353 * tests/atlocal.in (BISON_CXX_WORKS): Add.
9354 * tests/local.at (AT_COMPILE_CXX): Use it.
9355
93562004-05-21 Paul Eggert <eggert@cs.ucla.edu>
9357
9358 * data/glr.c (yylloc): Output this macro even if locations are not
9359 being generated, as the GLR parser needs it even in that case.
9360 Problem reported by Troy A. Johnson
9361 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
9362
9363 * configure.ac (AC_INIT): Update to 1.875e.
9364
93652004-05-21 Paul Eggert <eggert@cs.ucla.edu>
9366
9367 * NEWS: Version 1.875d.
9368 * configure.ac (AC_INIT): Likewise.
9369 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
9370
9371 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
9372 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
9373 lalr1.cc runs afoul of the first, and the last two are no longer
9374 supported by GCC 3.4.0.
9375 * README: Mention GNU m4 1.4 or later; mention m4 patches.
9376 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
9377
93782004-05-06 Paul Eggert <eggert@cs.ucla.edu>
9379
9380 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
9381 unsigned int, for compatibility with latest gnulib hash module.
9382 * src/state.c (state_hash, state_hasher): Likewise.
9383 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
9384 * src/uniqstr.c (hash_uniqstr): Likewise.
9385
93862004-05-03 Paul Eggert <eggert@cs.ucla.edu>
9387
9388 * NEWS: Unescaped newlines are no longer allowed in char & strings.
9389
9390 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
9391 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
9392 character and string literals.
9393 (unexpected_end): New function.
9394 (unexpected_eof): Use it.
9395 (unexpected_newline): New function.
9396 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
9397 actions.
9398
9399 * NEWS: Document %expect-rr.
9400
9401 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
9402 Fix typo by replacing $1 with $option.
9403 Remove more 'intl'-related files.
9404 Don't DEFUN AM_INTL_SUBDIR twice.
9405
9406 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
9407 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
9408 strtoul.c.
9409 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
9410 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
9411 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
9412 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
9413 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
9414 * src/.cvsignore: Add *.output.
9415
9416 * src/parse-gram.y: Put copyright notice inside %{ %} so it
9417 gets copied to the output file.
9418
94192004-04-28 Paul Eggert <eggert@twinsun.com>
9420
9421 Get files from the gnulib and po repositories, instead of relying
9422 on them being in our CVS. Upgrade to latest versions of gnulib
9423 and Automake.
9424
9425 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
9426 * bootstrap: Bootstrap from gnulib and po repositories.
9427 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
9428 * README-cvs: Document these changes. Remove version numbers from
9429 mentions of build tools, since they change so often. Mention Flex.
9430
9431 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
9432 (gl_USE_SYSTEM_EXTENSIONS): Add.
9433 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
9434 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
9435 does this for us.
9436 (AC_ISC_POSIX): Remove; we no longer support this
9437 ancient OS, as it gets in the way of latest Autoconf & gnulib.
9438 (AC_HEADER_STDC): Remove: we now assume C89 or better.
9439 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
9440 Do not check for C89 headers, except for locale.h which is used
9441 by the Yacc library and must port to K&R hosts.
9442 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
9443 Do not check for C89 functions, except for setlocale which is
9444 used by the Yacc library.
9445 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
9446 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
9447 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
9448 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
9449 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
9450 AM_GNU_GETTEXT): Remove; now done by:
9451 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
9452 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
9453 for us.
9454
9455 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
9456 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
9457 Define to empty, as gnulib.mk will do the rest for us.
9458 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
9459 for us.
9460 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
9461 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
9462
9463 * src/files.c: Include gnulib's xstrndup.h.
9464
9465 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
9466 (REALLOC): Use xnrealloc, for likewise.
9467 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
9468 (strnlen, memrchr): Remove decls; functions no longer used.
9469 Include <stpcpy.h>.
9470
9471 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
9472 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
9473 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
9474 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
9475 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
9476 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
9477 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
9478 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
9479 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
9480 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
9481 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
9482 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
9483 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
9484 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
9485 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
9486 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
9487 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
9488 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
9489 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
9490 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
9491 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
9492 Remove, as these files are now generated automatically
9493 by bootstrap or automake.
9494
9495 * po/ChangeLog: Remove: all but one entry was a duplicate
9496 of this file, and I moved that 2000-11-02 entry here.
9497
9498 * config/.cvsignore: Add Makefile, depcomp, install-sh.
9499 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
9500 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
9501 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
9502 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
9503 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
9504 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
9505 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
9506 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
9507 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
9508 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
9509 xstrndup.h.
9510 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
9511 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
9512 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
9513 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
9514 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
9515 * src/.cvsignore: Remove *_.c.
9516
9517
9518 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
9519 support it. (The latest stable gzip doesn't.)
9520
95212004-04-27 Paul Eggert <eggert@twinsun.com>
9522
9523 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
9524 case, as stos_ is now used by destructors due to the 2004-02-09
9525 change.
9526
9527 Remove more K&R C support.
9528 * lib/libiberty.y (PARAMS): Remove. All uses removed.
9529 * lib/subpipe.c (errno): Remove decl.
9530 Include <stdlib.h> unconditionally.
9531 (EXIT_FAILURE): Remove macro.
9532 * src/complain.c (vfprintf, strerror): Remove.
9533 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
9534 unconditionally.
9535 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
9536 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
9537 (strchr, strspn, memchr): Remove decls.
9538 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
9539 unconditionally. Do not declare perror.
9540 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
9541 unconditionally.
9542
9543 * src/complain.c (_): Remove useless defn, as system.h defines this.
9544
9545 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
9546 with latest obstack.h.
9547 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
9548 to procedure types, as obstack.h now does that for us.
9549 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
9550
9551 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
9552 so that this include file can stand alone.
9553 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
9554 does this now. Include subpipe.h first after config.h, to
9555 test whether it can stand alone.
9556
9557 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
9558 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
9559 unused declaration.
9560
9561 * tests/synclines.at (%union synch line): Put a dummy member in
9562 the union, because empty unions aren't allowed in C. Caught
9563 by GCC 3.4.0.
9564
95652004-04-13 Jim Meyering <jim@meyering.net>
9566
9567 * src/conflicts.c (conflicts_print): Correct format string typo:
9568 use `%%' to produce literal `%'. (trivial change)
9569
95702004-03-30 Paul Eggert <eggert@twinsun.com>
9571
9572 * src/getargs.c (version): Update copyright year to 2004.
9573
9574 * data/c.m4 (b4_int_type): Use 'short int' rather than
9575 'short', and similarly for 'long', 'unsigned', etc.
9576 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
9577 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
9578 yy_yypstack, yydumpstack): Likewise.
9579 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
9580 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
9581 Likewise.
9582 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
9583 yy_stack_print, yyparse): Likewise.
9584 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
9585 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
9586 * lib/bitset.c (bitset_print): Likewise.
9587 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
9588 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
9589 * lib/bitsetv.c (bitsetv_dump): Likewise.
9590 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
9591 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
9592 Likewise.
9593 * src/LR0.c (allocate_itemsets): Likewise.
9594 * src/gram.h (rule_number, rule): Likewise.
9595 * src/lalr.h (goto_number): Likewise.
9596 * src/nullable.c (nullable_compute): Likewise.
9597 * src/output.c (prepare_rules): Likewise.
9598 * src/relation.c (relation_print, relation_digraph): Likewise.
9599 * src/relation.h (relation_node): Likewise.
9600 * src/state.h (state_number, transitions, errs, reductions,
9601 struct state): Likewise.
9602 * src/symtab.h (symbol_number, struct symbol): Likewise.
9603 * src/tables.c (vector_number, tally, action_number,
9604 default_goto, goto_actions): Likewise.
9605 * tests/existing.at (GNU Cim Grammar): Likewise.
9606 * tests/regression.at (Web2c Actions): Likewise.
9607
9608 * src/output.c (muscle_insert_short_int_table): Renamed from
9609 muscle_insert_short_table. All uses changed.
9610
96112004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9612
9613 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
9614 (declaration): Replace expected_conflicts with expected_sr_conflicts.
9615 Add %expect-rr rule.
9616
9617 * src/scan-gram.l: Recognize %expect-rr.
9618
9619 * src/conflicts.h (expected_sr_conflicts): Rename from
9620 expected_conflicts.
9621 (expected_rr_conflicts): Declare.
9622
9623 * src/conflicts.c (expected_sr_conflicts): Rename from
9624 expected_conflicts.
9625 (expected_rr_conflicts): Define.
9626 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
9627 for GLR parsers.
9628 Use expected_sr_conflicts in place of expected_conflicts.
9629 Warn if expected_rr_conflicts used in non-GLR parser.
9630
9631 * doc/bison.texinfo: Add documentation for %expect-rr.
9632
96332004-03-08 Paul Eggert <eggert@gnu.org>
9634
9635 Add support for hex token numbers. Suggested by Odd Arild Olsen in
9636 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
9637
9638 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
9639 in lalr1.cc.
9640 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
9641 * src/scan-gram.l (scan_integer): New function.
9642 ({int}): Use it.
9643 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
9644 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
9645 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
9646 Say "long int", not "long", for uniformity with GNU style.
9647
96482004-02-25 Paul Eggert <eggert@twinsun.com>
9649
9650 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
9651 compilers. This fixes a problem with Intel's C++ compiler being
9652 chatty, reported by Guido Trentalancia in
9653 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
9654
96552004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
9656
9657 Support %destructor and merge error locations in lalr1.cc.
9658
9659 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
9660 (Parser::stos_): Define unconditionally.
9661 (Parser::destruct_): New method. Generate its body with
9662 b4_yydestruct_generate.
9663 (Parser::error_start_): New attribute.
9664 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
9665 token which are discarded.
9666 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
9667 error_start_ when erroneous token are discarded.
9668 (Parser::parse) <yyerrlab1>: Compute the location of the error
9669 token so that it covers all the discarded tokens.
9670 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
9671 it can be called with `%skeleton "lalr1.cc"', and do that.
9672
96732004-02-02 Paul Eggert <eggert@twinsun.com>
9674
9675 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
9676 $(top_srcdir)/lib and ../lib. This fixes a bug reported
9677 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
9678 There's no need to mention top_builddir since Automake does that
9679 for us.
9680 (INCLUDES): Remove, as Automake says it's obsolescent.
9681 Contents migrated into AM_CPPFLAGS as described above.
9682 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
9683
96842004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9685
9686 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
9687 (yyreportSyntaxError): Handle case where lookahead token is
9688 YYEMPTY.
9689
96902004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
9691
9692 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
9693 resulting parsers are compilable with C++.
9694
96952003-12-23 Paul Eggert <eggert@twinsun.com>
9696
9697 * config/depcomp, config/install-sh: Sync with Automake 1.8.
9698 * src/output.c (output_skeleton): Rename local var.
9699 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
9700 Bison tokens, as this runs afoul of the 2003-10-07 change that
9701 disallowed NUL bytes in character constants or string literals.
9702
9703 * tests/local.at: Require Autoconf 2.59's Autotest.
9704 * tests/testsuite.at: Don't include local.at, since we now assume
9705 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
9706 including it.
9707 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
9708 multiple inclusion warnings.
9709
97102003-12-02 Akim Demaille <akim@epita.fr>
9711
9712 * doc/bison.texinfo (How Can I Reset the Parser): More about start
9713 conditions.
9714 From Bruno Haible.
9715
97162003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
9717
9718 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
9719
97202003-10-07 Paul Eggert <eggert@twinsun.com>
9721
9722 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
9723 if testsuite doesn't exist.
9724
9725 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
9726 literals, unfortunately.
9727 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
9728 Complain about NUL bytes in character constants or string literals.
9729
97302003-10-05 Paul Eggert <eggert@twinsun.com>
9731
9732 * NEWS: Don't document %no-default-prec, as it's still
9733 too experimental.
9734 * doc/bison.texinfo: Document %no-default-prec only if
9735 the defaultprec flag is set. Normally it's not.
9736
97372003-10-04 Paul Eggert <eggert@twinsun.com>
9738
9739 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
9740 non-modifiable lvalue, instead of a modifiable one.
9741 * doc/bison.texinfo (Actions): Document that $$ can
9742 be assigned to. Do not claim that $$ and $N are
9743 array element references: user code should not rely on this.
9744
97452003-10-01 Paul Eggert <eggert@twinsun.com>
9746
9747 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
9748 (grammar_declaration): Use it.
9749 * src/scan-gram.l: New token %no-default-prec.
9750 * tests/conflicts.at: Revamp tests to use %no-default-prec.
9751 * NEWS, doc/bison.texinfo: Document the above.
9752
97532003-10-01 Akim Demaille <akim@epita.fr>
9754
9755 VCG no longer supports long_straight_phase.
9756
9757 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
9758 * src/print_graph.c (print_graph): Adjust.
9759
97602003-09-30 Frank Heckenbach <frank@g-n-u.de>
9761 and Paul Eggert <eggert@twinsun.com>
9762
9763 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
9764 Table of Symbols): Document %default-prec.
9765 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
9766 (grammar_declaration): Set default_prec on %default-prec.
9767 * src/scan-gram.l (%default-prec): New token.
9768 * src/reader.h (default_prec): New flag.
9769 * src/reader.c: Likewise.
9770 (packgram): Handle it.
9771 * tests/conflicts.at (%default-prec without %prec,
9772 %default-prec with %prec, %default-prec 1): New tests.
9773
97742003-09-30 Paul Eggert <eggert@twinsun.com>
9775
9776 * tests/testsuite.at: Include local.at, not input.at, fixing
9777 a typo in the 2003-08-25 patch.
9778
97792003-08-27 Akim Demaille <akim@epita.fr>
9780
9781 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
9782 GCC warnings.
9783
97842003-08-26 Akim Demaille <akim@epita.fr>
9785
9786 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
9787 "<\#" to avoid magic from Gnus when posting parts of this script.
9788
97892003-08-26 Akim Demaille <akim@epita.fr>
9790
9791 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
9792 (Parser::parse): here.
9793 Adjust: nerrs and errstatus is now replaced by...
9794 (Parser::nerrs_, Parser::errstatus_): New.
9795
97962003-08-25 Akim Demaille <akim@epita.fr>
9797
9798 * config/announce-gen, Makefile.cfg: New.
9799 * Makefile.am: Adjust.
9800 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
9801 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
9802
98032003-08-25 Akim Demaille <akim@epita.fr>
9804
9805 When reducing initial empty rules, Bison parser read an initial
9806 location that is not defined. This results in garbage, and that
9807 affects Bison's own parser. Therefore we need (i) to extend Bison
9808 to support a means to initialize this location, and (ii) to use
9809 this CVS Bison to fix CVS Bison's parser.
9810
9811 * src/reader.h, reader.c (epilogue_augment): Remove, replace
9812 with...
9813 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
9814 * src/parse-gram.y: Adjust.
9815 (%initial-action): New.
9816 (%error-verbose): Since we require CVS Bison, there is no reason
9817 not to use it.
9818 * src/scan-gram.l: Adjust.
9819 * src/Makefile.am (YACC): New, to make sure we use our own parser.
9820 * data/yacc.c (yyparse): Use b4_initial_action.
9821
98222003-08-25 Akim Demaille <akim@epita.fr>
9823
9824 * doc/bison.texinfo: Don't promote stdout for error messages.
9825
98262003-08-25 Akim Demaille <akim@epita.fr>
9827
9828 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
9829 From Alexandre Duret-Lutz.
9830
98312003-08-25 Akim Demaille <akim@epita.fr>
9832
9833 Version 1.875c.
9834
98352003-08-25 Akim Demaille <akim@epita.fr>
9836
9837 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
9838 Use them.
9839
98402003-08-25 Akim Demaille <akim@epita.fr>
9841
9842 * data/lalr1.cc (Parser::reduce_print_): New.
9843 Use it.
9844
98452003-08-25 Akim Demaille <akim@epita.fr>
9846
9847 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
9848 error recovery loops. This patch is based on
9849 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
9850 Also, augment the similarity between lalr1.cc and yacc.c.
9851 Note: the locations of error recovery rules are not correct yet.
9852
9853 * data/lalr1.cc: Comment changes to augment the similarity between
9854 lalr1.cc and yacc.c.
9855 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
9856 (yyerrlab1): Remove, but where it used to be (now the bottom part of
9857 yyerrlab), when hitting EOF, pop the whole stack here instead of
9858 merely falling thru the default error handling mechanism.
9859 (yyerrorlab): New label, with the old contents of YYERROR,
9860 plus the following change: pop the stack of rhs corresponding
9861 to the production that invoked YYERROR. That is how Yacc
9862 behaves (required by POSIX).
9863 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
9864 fail.
9865
98662003-08-25 Akim Demaille <akim@epita.fr>
9867
9868 Tune local.at so that people can "autom4te -l autotest calc.at -o
9869 calc" for instance, to extract a sub test suite.
9870
9871 * tests/testsuite.at: Move the initialization, Autotest version
9872 requirement, and AT_TESTED invocation into...
9873 * tests/local.at: here.
9874 * tests/testsuite.at: Include it for compatibility with Autoconf
9875 2.57.
9876 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
9877 be ignore.
9878
98792003-08-04 Paul Eggert <eggert@twinsun.com>
9880
9881 Rework code slightly to avoid gcc -Wtraditional warnings.
9882 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
9883 The returned value is now stored in *YY0. All callers changed.
9884 * src/output.c (merge_output): Adjust to the above change.
9885
98862003-07-26 Paul Eggert <eggert@twinsun.com>
9887
9888 * data/glr.c (YYASSERT): New macro.
9889 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
9890 yyresolveStates, yyprocessOneStack):
9891 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
9892 Derived from a suggestion by Frank Heckenbach.
9893
98942003-07-25 Paul Eggert <eggert@twinsun.com>
9895
9896 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
9897 for portability to K&R C (after ansi2knr, presumably). See
9898 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
9899 by Frank Heckenbach, though I have omitted the structure-initialization
9900 part of his glr-knr.diff patch since I recall that the Portable
9901 C Compiler didn't require that change.
9902
9903 Let the user specify how to allocate and free memory.
9904 Derived from a suggestion by Frank Heckenbach in
9905 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
9906 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
9907 All uses of free, malloc, realloc changed to use these macros,
9908 and unnecessary casts removed.
9909 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
9910
99112003-07-06 Matthias Mann <MatthiasMann@gmx.de>
9912
9913 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
9914 use s.empty() rather than s == "" to test for empty string; see
9915 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
9916 (trivial change)
9917
99182003-06-25 Akim Demaille <akim@epita.fr>
9919
9920 * config/depcomp, config/install-sh: Update from masters.
9921
99222003-06-20 Paul Eggert <eggert@twinsun.com>
9923
9924 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
9925 and return properly parenthesized result.
9926 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
9927 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
9928 Remove unnecessary parentheses from uses.
9929 * doc/bison.texinfo (Location Default Action): Describe the
9930 conventions for parentheses.
9931
99322003-06-19 Paul Eggert <eggert@twinsun.com>
9933
9934 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
9935 yyreportTree): Do not assume that size_t is the same width as int,
9936 when printing sizes. Print sizes using an unsigned format.
9937 Problem reported by Frank Heckenbach in
9938 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
9939
9940 Port to Forte Developer 7 C compiler.
9941 * data/glr.c (struct YYLTYPE): If locations are not being used,
9942 declare a single dummy member, as empty structs do not conform
9943 to the C standard.
9944 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
9945 the Forte Developer 7 C compiler complains that end-of-loop
9946 code is not reached.
9947
99482003-06-17 Paul Eggert <eggert@twinsun.com>
9949
9950 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
9951 avoid warnings from picky compilers about redefinition of PARAMS.
9952
99532003-06-17 Paul Eggert <eggert@twinsun.com>
9954
9955 Version 1.875b.
9956
9957 * NEWS: Document 1.875b.
9958
9959 * lib/bbitset.h: Do not include config.h; that's the includer's job.
9960 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
9961 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
9962 Don't use 'index' in comments, as it's a builtin fn on some hosts.
9963 * lib/bitset_stats.c: Include gettext.h unconditionally, as
9964 per recent gettext manual's suggestion.
9965 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
9966 Use prototypes, not old-style definitions.
9967 * lib/lbitset.c (lbitset_unused_clear): Likewise.
9968 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
9969 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
9970 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
9971 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
9972 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
9973 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
9974 vbitset_or_and_cmp, vbitset_copy): Likewise.
9975
9976 * lib/libiberty.h: Do not include config.h; that's the includer's job.
9977 Do not include <stdlib.h>.
9978 (PARAMS): Define unconditionally for C89.
9979 (ATTRIBUTE_NORETURN): Remove.
9980 (ATTRIBUTE_UNUSED): Define unconditionally.
9981
9982 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
9983 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
9984 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
9985 * lib/vbitset.c, lib/vbitset.h: New files.
9986 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
9987 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
9988 from libbitset.
9989
9990 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
9991 `How Can I Reset @code{yyparse}', since texinfo does not allow
9992 arbitrary @ in node names.
9993
9994 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
9995 shouldn't be needed according to the gettext 0.12.1 documentation
9996 but which seem to be needed anyway: codeset.m4 glibc21.m4
9997 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
9998 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
9999 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
10000
10001 * lib/.cvsignore: Add stdbool.h.
10002 * m4/.cvsignore: Add nls.m4, po.m4.
10003
10004 Upgrade to CVS gnulib.
10005 * stdbool_.h: File renamed from stdbool.h.in.
10006 * configure.ac (AM_STDBOOL_H): Invoke this instead of
10007 AC_HEADER_STDBOOL.
10008 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
10009 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
10010 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
10011 (MOSTLYCLEANFILES): New var.
10012 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
10013 (stdbool.h): New rule.
10014 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
10015 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
10016 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
10017 m4/quote.m4: Upgrade to today's gnulib.
10018
10019 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
10020 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
10021 the tests right now.
10022 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
10023 yyerror are declared before use; C99 requires this.
10024
100252003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10026
10027 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
10028 first.
10029 (yyrecoverSyntaxError): Correct the logic for setting and testing
10030 yyerrState.
10031 Correct comment on handling EOF.
10032 Allow states with only a default reduction, rather than failing
10033 (I can't quite reconstruct why these were not allowed before).
10034
10035 Fixes to avoid problem that $-N rules in GLR parsers can cause
10036 buffer overruns, corrupting state.
10037
10038 * src/output.c (prepare_rules): Output max_left_semantic_context
10039 definition.
10040 * src/reader.h (max_left_semantic_context): New variable declaration.
10041 * src/scan-gram.l (max_left_semantic_context): Define.
10042 (handle_action_dollar): Update max_left_semantic_context.
10043 * data/glr.c (YYMAXLEFT): New definition.
10044 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
10045 (yyresolveAction): Ditto.
10046
10047 Fixes to problems with location handling in GLR parsers reported by
10048 Frank Heckenbach (2003/06/05).
10049
10050 * data/glr.c (YYLTYPE): Make trivial if locations not used.
10051 (YYRHSLOC): Add parentheses, and define only if locations used.
10052 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
10053 locations not used.
10054 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
10055 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
10056
10057 * tests/cxx-type.at: Exercise location information; update tests
10058 to differentiate output with and without locations.
10059 Remove forward declarations of yylex and yyerror---caused errors
10060 because default YYLTYPE not yet defined.
10061 Change semantic actions to compute strings, rather than printing
10062 them directly (to test proper passing of semantics values). Change
10063 output to prefix notation and update test data and expected results.
10064 (yylex): Track locations.
10065 (stmtMerge): Return value rather than printing, and include arguments
10066 in value.
10067
100682003-06-03 Paul Eggert <eggert@twinsun.com>
10069
10070 Avoid warnings generated by GCC 2.95.4 when Bison is
10071 configured with --enable-gcc-warnings.
10072 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
10073 yy::]b4_parser_class_name[::translate_,
10074 yy::Stack::operator[] (unsigned),
10075 yy::Stack::operator[] (unsigned) const,
10076 yy::Slice::operator[] (unsigned),
10077 yy::Slice::operator[] (unsigned) const):
10078 Rename local vars to avoid warnings.
10079 * tests/glr-regression.at (Improper handling of embedded actions
10080 and $-N in GLR parsers): Remove unused local variable from yylex.
10081 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
10082 (void) as arg when not pure, since we now assume C89 when building
10083 Bison. Pacify GCC by using parameter.
10084
100852003-06-02 Paul Eggert <eggert@twinsun.com>
10086
10087 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
10088 yy::Location::lines, yy::Location::columns): Rename arguments
10089 to avoid shadowing; this removes a warning generated by GCC 3.3.
10090
100912003-06-01 Paul Eggert <eggert@twinsun.com>
10092
10093 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
10094 to g++, as GCC 3.3 complains if you do it.
10095 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
10096 everything that WARNING_CFLAGS has, except omit warnings
10097 not suitable for C++.
10098 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
10099 * tests/atlocal.in (CXXFLAGS): New var.
10100 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
10101
10102 Fix a GLR parser bug I reported in February; see
10103 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
10104 The problem was that GLR parsers did not conform to the C standard,
10105 because actions like { $1 = $2 + $3; } expanded to expressions
10106 that invoked YYFILL in separate subexpressions, and YYFILL assigned
10107 to a local variable. The C standard says that expressions
10108 like (var = f ()) + (var = f ()) have undefined behavior.
10109 Another problem was that GCC sometimes issues warnings that
10110 yyfill and its parameters are unused.
10111
10112 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
10113 as possibly unused.
10114 (yyfill): New function.
10115 (YYFILL): Use it.
10116 (yyuserAction): Change type of yynormal to bool, so that it matches
10117 the new yyfill signature. Mark it as possibly unused.
10118
10119
10120 Follow up on a bug I reported in February, where a Bison-generated
10121 parser can loop. Provide a test case and a fix for yacc.c. I
10122 don't have a fix for lalr1.cc or for glr.c, unfortunately.
10123 The original bug report is in:
10124 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
10125
10126 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
10127 macro's size was becoming unwieldy.
10128 (yyerrlab): Do not discard an empty lookahead symbol, as this
10129 might destroy garbage.
10130 (yyerrorlab): New label, with the old contents of YYERROR,
10131 plus the following change: pop the stack of rhs corresponding
10132 to the production that invoked YYERROR. That is how Yacc
10133 behaves, and POSIX requires this behavior.
10134 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
10135 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
10136 Define 'alarm' to do nothing if unistd.h is not available.
10137 Add a new rule "exp: '-' error;" to test the above change to
10138 data/yacc.c. Use 'alarm' to abort any test taking longer than
10139 10 seconds, as it's probably looping.
10140 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
10141 Also, the new yacc.c generates two fewer diagnostics for an
10142 existing test.
10143
101442003-05-24 Paul Eggert <eggert@twinsun.com>
10145
10146 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
10147 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
10148 This fixes a problem reported by John Bowman when the Compaq/HP
10149 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
10150 -ansi -Wall -gall).
10151 * data/yacc.c (union yyalloc): Likewise.
10152 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
10153
10154 Switch from 'int' to 'bool' where that makes sense.
10155
10156 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
10157 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
10158 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
10159 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
10160 Return or accept bool, not int. All callers changed.
10161 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
10162 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
10163 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
10164 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
10165 bitset_or_and_cmp_): Likewise.
10166 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
10167 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
10168 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
10169 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
10170 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
10171 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
10172 bitset_stats_or_and_cmp): Likewise.
10173 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
10174 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
10175 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
10176 ebitset_xor_cmp): Likewise.
10177 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
10178 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
10179 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
10180 lbitset_xor_cmp): Likewise.
10181 * lib/bbitset.h: Include <stdbool.h>.
10182 (struct bitset_vtable): The following members now return bool, not
10183 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
10184 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
10185 or_and_cmp).
10186 * src/conflicts.c (count_rr_conflicts): Likewise.
10187 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
10188 All uses changed.
10189 * lib/ebitset.c (ebitset_obstack_init): Likewise.
10190 * lib/lbitset.c (lbitset_obstack_init): Likewise.
10191 * src/getargs.c (debug_flag, defines_flag, locations_flag,
10192 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
10193 graph_flag): Likewise.
10194 * src/getargs.h (debug_flag, defines_flag, locations_flag,
10195 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
10196 graph_flag): Likewise.
10197 * src/output.c (error_verbose): Likewise.
10198 * src/output.h (error_verbose): Likewise.
10199 * src/reader.c (start_flag, typed): Likewise.
10200 * src/reader.h (typed): Likewise.
10201 * src/getargs.c (LOCATIONS_OPTION): New constant.
10202 (long_options, getargs): Use it.
10203 * src/lalr.c (build_relations): Use bool, not int.
10204 * src/nullable.c (nullable_compute): Likewise.
10205 * src/print.c (print_reductions): Likewise.
10206 * src/tables.c (action_row, pack_vector): Likewise.
10207 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
10208 * src/output.c (prepare): Use it.
10209 * src/output.c (token_definitions_output,
10210 symbol_destructors_output, symbol_destructors_output): Use string,
10211 not boolean integer, to keep track of whether to output separator.
10212 * src/print_graph.c (print_core): Likewise.
10213 * src/state.c (state_rule_lookaheads_print): Likewise.
10214
10215 * config/install-sh: Sync from automake 1.7.5.
10216
102172003-05-14 Paul Eggert <eggert@twinsun.com>
10218
10219 * src/parse-gram.y (rules_or_grammar_declaration): Require a
10220 semicolon after a grammar declaration, in the interest of possible
10221 future changes to the Bison input language.
10222 Do not allow a stray semicolon at the start of the grammar.
10223 (rhses.1): Allow one or more semicolons after any rule, including
10224 just before "|" as required by POSIX.
10225 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
10226 grammar.
10227
102282003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
10229
10230 %parse-param support for lalr1.cc.
10231
10232 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
10233 b4_cc_constructor_calls, b4_cc_constructor_call,
10234 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
10235 definitions.
10236 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
10237 parse-param arguments.
10238 (yy::b4_parser_class_name): Declare instance variables to
10239 hold parse-param arguments.
10240 * tests/calc.at: s/value/semantic_value/ because value clashes
10241 with a member of yy::b4_parser_class_name. Adjust C++ code
10242 to handle %parse-param. Enable %parse-param test in C++.
10243
102442003-05-12 Paul Eggert <eggert@twinsun.com>
10245
10246 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
10247 English a bit. Fix fclose typo. Change "const char" to "char
10248 const", and use ANSI C rather than K&R for "main". Suggest
10249 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
10250 and suggest yy_switch_to_buffer.
10251
102522003-05-05 Paul Eggert <eggert@twinsun.com>
10253
10254 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
10255 C89. This avoids a diagnostic on compilers that define __STDC__
10256 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
10257 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
10258
102592003-05-03 Paul Eggert <eggert@twinsun.com>
10260
10261 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
10262 Do not overrun array bounds.
10263 This should fix a bug reported today by Olatunji Oluwabukunmi in
10264 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
10265
102662003-04-29 Akim Demaille <akim@epita.fr>
10267
10268 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
10269 * src/getargs.c, src/getargs.h: here, as bool, not int.
10270 (nondeterministic_parser): New.
10271 * src/parse-gram.y, src/scan-gram.l: Support
10272 %nondeterministic-parser.
10273 * src/output.c (prepare): Use nondeterministic_parser instead
10274 of glr_parser where appropriate.
10275 * src/tables.c (conflict_row, action_row, save_row)
10276 (token_actions, token_actions, pack_vector): Ditto.
10277
102782003-04-29 Akim Demaille <akim@epita.fr>
10279
10280 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
10281
102822003-04-29 Akim Demaille <akim@epita.fr>
10283
10284 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
10285 with %pure-parser and %locations to exercise the patch from Yakov
10286 Markovitch below.
10287
102882003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
10289
10290 * data/yacc.c: (b4_lex_param): Corrected for the case where
10291 %lex-param is provided and %pure-parser isn't.
10292
102932003-04-27 Paul Eggert <eggert@twinsun.com>
10294
10295 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
10296 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
10297 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
10298 if it is not defined.
10299 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
10300
103012003-04-26 Paul Eggert <eggert@twinsun.com>
10302
10303 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
10304 Declare to be of type suitable for the ninf value itself, not of
10305 type suitable for the corresponding table, since the latter might
10306 be unsigned but the ninf value might be negative. This fixes a
10307 bug reported by Alexandre Duret-Lutz in
10308 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
10309
10310 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
10311 invokes it. We shouldn't invoke it twice because it will attempt
10312 to put error.o in the archive twice. This fixes a glitch reported
10313 by Martin Mokrejs in
10314 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
10315
103162003-04-21 Paul Eggert <eggert@twinsun.com>
10317
10318 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
10319 to gnulib.
10320
103212003-04-21 Yakov Markovitch <Markovitch@iso.ru>
10322
10323 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
10324 Fix obvious typo that results in uncompilable GLR parsers
10325 when both %pure-parser and %locations are used. (trivial change)
10326
103272003-04-17 Paul Eggert <eggert@twinsun.com>
10328
10329 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
10330 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
10331 Do not insert the expected token via unput, as this runs afoul
10332 of a POSIX-compatibility bug in flex 2.5.31.
10333 All uses changed to BEGIN the parent state,
10334 since we no longer insert the expected token via unput.
10335 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
10336 that is no longer emitted after the above change.
10337
10338 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
10339 the first one. This change is from Paul Hilfinger, and it fixes
10340 regression reported by Werner Lemberg in
10341 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
10342
10343 (resolve_sr_conflict): Don't invoke state_errs_set
10344 unless one or more tokens have been explicitly made errors.
10345 Otherwise, the above change causes Bison to abort.
10346
10347 * tests/existing.at (GNU pic Grammar): New test case, taken from
10348 Lemberg's email.
10349
103502003-03-31 Akim Demaille <akim@epita.fr>
10351
10352 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
10353
103542003-03-31 Akim Demaille <akim@epita.fr>
10355
10356 * src/output.c (prepare_symbols): Avoid trailing spaces in the
10357 output.
10358
103592003-03-31 Akim Demaille <akim@epita.fr>
10360
10361 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
10362 From Paul Hilfinger.
10363
103642003-03-29 Akim Demaille <akim@epita.fr>
10365
10366 * m4/error.m4: Do not put under dynamic conditions some code which
10367 expansion is under static control.
10368
103692003-03-29 Akim Demaille <akim@epita.fr>
10370
10371 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
10372
103732003-03-29 Akim Demaille <akim@epita.fr>
10374
10375 * doc/bison.texinfo (Strings are Destroyed): New.
10376
103772003-03-13 Paul Eggert <eggert@twinsun.com>
10378
10379 * .cvsignore: Add configure.lineno.
10380 * src/.cvsignore: Add yacc.
10381 * tests/.cvsignore: Add testsuite.log.
10382 * doc/fdl.texi: Sync with latest FSF version.
10383
103842003-03-12 Paul Eggert <eggert@twinsun.com>
10385
10386 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
10387 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
10388 cursor, instead of leaving it undefined. This fixes a bug
10389 reported by Tim Van Holder in
10390 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
10391 * tests/input.at (Torturing the Scanner): Test the scanner on
10392 an empty input file, which was Tim Van Holder's test case.
10393
10394 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
10395 <sys/resource.h> can be included, include sys/time.h and
10396 sys/times.h first, if available. This works around the SunOS
10397 4.1.4 porting bug reported by Bruce Becker in
10398 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
10399
10400 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
10401 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
10402 AC_HEADER_SYS_WAIT.
10403
10404 Merge changes from gnulib. This was prompted because the CVS
10405 snapshot didn't build on Solaris 7 due to strnlen problems.
10406
10407 These changes need to be merged back into gnulib:
10408 * lib/hash.c: Include <stdbool.h> unconditionally.
10409 * m4/onceonly.m4 (m4_quote): New macro.
10410 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
10411 Quote AC_FOREACH variable-expansions properly.
10412 The 2003-01-03 obstack.h change also needs merging.
10413 {end of changes requiring merging}
10414
10415 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
10416 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
10417 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
10418 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
10419 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
10420 New files, imported from gnulib.
10421 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
10422 above.
10423
10424 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
10425 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
10426 gnulib sources.
10427
10428 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
10429 Add.
10430 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
10431 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
10432 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
10433 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
10434 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
10435 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
10436 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
10437 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
10438 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
10439 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
10440 (jm_PREREQ_ARGMATCH): Remove.
10441 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
10442 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
10443
10444 * src/system.h: Include <stdbool.h> unconditionally.
10445
10446 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
10447 assuming at least C89 in the bitset code for some time now.
10448
104492003-03-03 Akim Demaille <akim@epita.fr>
10450
10451 * ro.po: New.
10452
104532003-03-02 Akim Demaille <akim@epita.fr>
10454
10455 * doc/bison.texinfo (Table of Symbols): Reactivate the
10456 documentation for %lex-param, and %parse-param.
10457
104582003-03-02 Akim Demaille <akim@epita.fr>
10459
10460 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
10461 generate verbose error messages.
10462 Use the number of tokens as an upper bound in yytname, as it
10463 cannot be a non terminal.
10464
104652003-03-02 Akim Demaille <akim@epita.fr>
10466
10467 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
10468 message.
10469
104702003-03-02 Akim Demaille <akim@epita.fr>
10471
10472 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
10473 Use them to exercise yycheck overrun.
10474 Based on Andrew Suffield's grammar.
10475
104762003-03-02 Akim Demaille <akim@epita.fr>
10477
10478 Create tests/local.at for Bison generic testing macros.
10479
10480 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
10481 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
10482 This new file.
10483 * tests/calc.at (AT_CHECK_CALC): Adjust.
10484 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
10485 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
10486 * tests/local.at: here.
10487 (AT_COMPILE_CXX): Tags the tests using it as c++.
10488 Ignore the test if CXX is not functional.
10489
104902003-03-01 Paul Eggert <eggert@twinsun.com>
10491
10492 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
10493 not loc->end, since loc->end might contain garbage and this leads
10494 to undefined behavior on some platforms.
10495 (id_loc, token_start): Use (IF_LINTed) initial values that do not
10496 depend on *loc, so that the reader doesn't give the the false
10497 impression that *loc is initialized.
10498 (<INITIAL>"%%"): Do not bother setting code_start, since its value
10499 does not survive the return.
10500
105012003-03-01 Akim Demaille <akim@epita.fr>
10502
10503 * src/scan-gram.l (code_start): Always initialize it when entering
10504 into yylex, as SC_EPILOGUE is activated *before* the corresponding
10505 yylex invocation. An alternative would be making it static, but
10506 then it starts with the second %%'s beginning, instead of its end.
10507
105082003-02-28 Paul Eggert <eggert@twinsun.com>
10509
10510 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
10511 around a UnixWare 7.1.1 porting bug reported by John Hughes in
10512 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
10513
105142003-02-26 Paul Eggert <eggert@twinsun.com>
10515
10516 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
10517 Remove Sequent/Pyramid discussion (nobody uses them any more).
10518 Merge VMS and MS-DOS discussion; these ports may well be dead
10519 but let's keep mentioning them for now. Put <> around email
10520 addresses. Add copyright notice.
10521
105222003-02-24 Paul Eggert <eggert@twinsun.com>
10523
10524 * data/glr.c (yy_reduce_print): yylineno -> yylno,
10525 to avoid collision with flex use of yylineno.
10526 Problem reported by Bruce Lilly in
10527 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
10528 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
10529 * data/yacc.c (yy_reduce_print): Likewise.
10530
10531 * config/depcomp: Sync with Automake 1.7.3.
10532
105332003-02-21 Akim Demaille <akim@epita.fr>
10534
10535 * data/lalr1.cc: Use temporary variables instead of casts to
10536 change integer types.
10537 Suggested by Paul Eggert.
10538
105392003-02-21 Akim Demaille <akim@epita.fr>
10540
10541 * doc/bison.texinfo: Use "location" consistently to refer to @n,
10542 to avoid confusions with lalr1.cc's notion of Position.
10543 Suggested by Paul Eggert.
10544
105452003-02-20 Akim Demaille <akim@epita.fr>
10546
10547 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
10548 before initial_columns.
10549 (location.hh): Use consistent variable names when defining the
10550 operator<<.
10551 Use "last" so that we subtract from Positions, not from unsigned.
10552
105532003-02-20 Akim Demaille <akim@epita.fr>
10554
10555 * data/lalr1.cc (position.hh): New subfile, including the extended
10556 and Doxygen'ed documentation of class Position.
10557 (location.hh): Use it.
10558 Document a` la Doxygen.
10559 With the help of Benoit Perrot.
10560
105612003-02-20 Akim Demaille <akim@epita.fr>
10562
10563 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
10564 AT_YACC_IF.
10565 Redefine AT_YYERROR_SEES_LOC_IF using it.
10566 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
10567 not defined.
10568 Don't use the location in yy::Parser::error_ and
10569 yy::Parser::print_ when not %locations.
10570 Activate more lalr1.cc tests.
10571
105722003-02-19 Akim Demaille <akim@epita.fr>
10573
10574 * data/lalr1.cc: When displaying a line number, be sure to make it
10575 an int.
10576
105772003-02-19 Akim Demaille <akim@epita.fr>
10578
10579 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
10580 Remove, useless.
10581 (YYABORT, YYACCEPT, YYERROR): New.
10582 * tests/calc.at: Renable the lalr1.cc test.
10583
105842003-02-19 Akim Demaille <akim@epita.fr>
10585
10586 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
10587 error recovery, mixing with/without pops and discarding of the
10588 lookahead.
10589 Exercise YYERROR.
10590 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
10591
105922003-02-17 Paul Eggert <eggert@twinsun.com>
10593
10594 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
10595 * tests/testsuite.at (AT_COMPILE): Use them.
10596 This fixes the testsuite problem reported by Robert Lentz in
10597 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
10598
105992003-02-12 Paul Eggert <eggert@twinsun.com>
10600
10601 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
10602 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
10603 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
10604 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
10605 Check for malloc failure, for consistency with yacc.c.
10606 (yytname_size): Remove, for consistency with yacc.c.
10607
10608 The bug still remains in data/lalr1.cc, as I didn't have time
10609 to fix it there.
10610
106112003-02-06 Akim Demaille <akim@epita.fr>
10612
10613 * configure.ac (GXX): Rename as...
10614 (CXX): this, to keep the original Autoconf semantics.
10615 Require 2.57.
10616 * data/lalr1.cc: Fix b4_copyright invocations.
10617 If YYDEBUG is not defined, don't depend upon name_ being defined.
10618 (location.hh): Include string and iostream.
10619 (Position::filename): New member.
10620 (Position::Position ()): New.
10621 (operator<< (Position)): New.
10622 (operator- (Position, int)): New.
10623 (Location::first, Location::last): Rename as...
10624 (Location::begin, Location::end): these, to mock the conventional
10625 iterator names.
10626 (operator<< (Location)): New.
10627 * tests/atlocal.in (CXX): New.
10628 * tests/testsuite.at (AT_COMPILE_CXX): New.
10629 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
10630 locations in a more synthetic way.
10631 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
10632 lalr1.cc is used.
10633 Adjust the C locations to match those from Emacs: first column is
10634 column 0.
10635 Change all the expected results.
10636 Conform to the GCS: simplify the locations when applicable.
10637 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
10638 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
10639 these CPP macros with the m4 macros new defined by...
10640 (AT_CHECK_PUSHDEFS): this, i.e.:
10641 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
10642 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
10643 New macros.
10644 (AT_CHECK_POPDEFS): Undefine them.
10645 (AT_CHECK_CALC_LALR1_CC): New.
10646 Use it for the first lalr1.cc test.
10647
106482003-02-04 Akim Demaille <akim@epita.fr>
10649
10650 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
10651 Location as is defined.
10652
106532003-02-04 Akim Demaille <akim@epita.fr>
10654
10655 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
10656 name_ being defined.
10657
106582003-02-03 Paul Eggert <eggert@twinsun.com>
10659
10660 * src/gram.h (start_symbol): Remove unused decl.
10661
10662 Use more-consistent naming conventions for local vars.
10663
10664 * src/derives.c (derives_compute): Change type of local var from
10665 int to rule_number.
10666 * src/gram.c (grammar_rules_partial_print): Likewise.
10667 * src/print.c (print_core): Likewise.
10668 * src/reduce.c (reduce_grammar_tables): Likewise.
10669
10670 * src/gram.c (grammar_dump): Change name of item_number *
10671 local var from r to rp.
10672 * src/nullable.c (nullable_compute): Likewise.
10673
10674 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
10675
10676 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
10677 for symbol or symbol_number var.
10678 * src/reader.c (grammar_start_symbol_set): Likewise.
10679 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
10680 Likewise.
10681 * src/state.c (transitions_to): Likewise.
10682 * src/state.h: Likewise.
10683 * src/tables.c (symbol_number_to_vector_number): Likewise.
10684
10685 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
10686 char * var.
10687
10688 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
10689 var.
10690
10691 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
10692 var.
10693
10694 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
10695 Use str, not s, for char * var. Use ch, not c, for character var.
10696 Use size for size var.
10697
10698 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
10699 char * var.
10700 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
10701 uniqstr var.
10702 * src/uniqstr.h: Likewise.
10703
10704 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
10705 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
10706 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
10707 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
10708 param to have same name as that of enum, so that we don't use
10709 "s" to stand for a non-state.
10710
107112003-02-02 Akim Demaille <akim@epita.fr>
10712
10713 * src/scan-skel.l: Scan more than one inert character per yylex
10714 invocation.
10715
107162003-02-01 Paul Eggert <eggert@twinsun.com>
10717
10718 Version 1.875a.
10719
10720 * po/LINGUAS: Add ms.
10721
107222003-01-30 Akim Demaille <akim@epita.fr>
10723
10724 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
10725
107262003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10727
10728 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
10729 of $1.
10730
10731 Changes in response to error report by S. Eken: GLR mode does not
10732 handle negative $ indices or $ indices in embedded rules correctly.
10733 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
10734
10735 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
10736 (b4_rhs_location): Ditto.
10737 (yyfill): New function to copy from stack tree into array
10738 incrementally.
10739 (yyuserAction): Modify to allow incremental move of semantic values
10740 to rhs array when in GLR mode.
10741 Define YYFILL to use in user-defined actions to fill semantic array
10742 as needed.
10743 Remove dummy use of yystack, as there is now a guaranteed use.
10744 (yydoAction): Modify to allow incremental move of semantic values
10745 to rhs array when in GLR mode.
10746 (yyresolveAction): Ditto.
10747 (yyglrShiftDefer): Update comment.
10748 (yyresolveStates): Use X == NULL for pointers, not !X.
10749 (yyglrReduce): Ditto.
10750 (yydoAction): Ditto
10751
10752 * tests/glr-regr1.at: Rename to ...
10753 * tests/glr-regression.at: Add new regression test for the problems
10754 described above (adapted from S. Eken).
10755 Update copyright notice.
10756 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
10757 * tests/Makefile.am: Ditto.
10758
107592003-01-28 Paul Eggert <eggert@twinsun.com>
10760
10761 * data/lalr1.cc: Do not use @output_header_name@ unless
10762 b4_defines_flag is set. This fixes two bugs reported by
10763 Tim Van Holder in
10764 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
10765 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
10766
107672003-01-21 Paul Eggert <eggert@twinsun.com>
10768
10769 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
10770 we don't need to worry about yyerrlab1 being reported as an
10771 "unused label" by non-GCC C compilers. The downside is that if
10772 locations are used then a couple of statements are duplicated each
10773 time YYERROR is invoked, but the upside is that the warnings
10774 should vanish.
10775 (yyerrlab1): Move code to YERROR.
10776 (yyerrlab2): Remove. Change uses back to yyerrlab1.
10777 This reverts some of the 2002-12-27 change.
10778
107792003-01-17 Paul Eggert <eggert@twinsun.com>
10780
10781 * src/output.c (symbol_printers_output): Fix typo that led
10782 to core dump. Problem reported by Antonio Rus in
10783 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
10784
107852003-01-13 Akim Demaille <akim@epita.fr>,
10786 Quoc Peyrot <chojin@lrde.epita.fr>,
10787 Robert Anisko <anisko_r@lrde.epita.fr>
10788
10789 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
10790 when the stacks contain one element, as the loop would otherwise
10791 free the last state, and then use the top state (the one we just
10792 popped). This means that the initial elements will not be freed
10793 explicitly, as is the case in yacc.c; it is not a problem, as
10794 these elements have fake values.
10795
107962003-01-11 Paul Eggert <eggert@twinsun.com>
10797
10798 * NEWS: %expect-violations are now just warnings, reverting
10799 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
10800 bootstrapping problem reported by Matthias Klose; see
10801 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
10802 * src/conflicts.c (conflicts_print): Likewise.
10803 * tests/conflicts.at (%expect not enough, %expect too much,
10804 %expect with reduce conflicts): Likewise.
10805 * doc/bison.texinfo (Expect Decl): Document this. Also mention
10806 that the warning is enabled if the number of conflicts changes
10807 (not necessarily increases).
10808
10809 * src/getargs.c (version): Update copyright year.
10810
108112003-01-09 Akim Demaille <akim@epita.fr>
10812
10813 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
10814
108152003-01-08 Paul Eggert <eggert@twinsun.com>
10816
10817 * Makefile.maint (WGETFLAGS):
10818 New macro, containing "-C off" to disable proxy caches.
10819 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
10820 (rel-check): Use $(WGET) instead of wget.
10821
108222003-01-06 Paul Eggert <eggert@twinsun.com>
10823
10824 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
10825 the GLR paper of Scott, Johnstone and Hussain.
10826
108272003-01-04 Paul Eggert <eggert@twinsun.com>
10828
10829 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
10830 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
10831 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
10832 (EXTRA_LIBRARIES): New var, for liby.a.
10833 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
10834 (EXTRA_SCRIPTS): New var, for yacc.
10835
10836 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
10837 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
10838 Problem reported by Nelson H. F. Beebe.
10839
108402003-01-03 Paul Eggert <eggert@twinsun.com>
10841
10842 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
10843 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
10844 when compiling Bison 1.875's `bitset bset = obstack_alloc
10845 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
10846
10847 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
10848 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
10849 grow to a huge size with typical invocation.
10850
10851 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
10852 Use the pattern recommended by Autoconf 2.57, except also protect
10853 against double-definition.
10854 * src/system.h: Likewise.
10855 Portability issues reported by Nelson H. F. Beebe.
10856
10857 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
10858 All uses changed. Provide a definition in both C and C++.
10859 (yytrue, yyfalse): Define even if defined (__cplusplus).
10860
10861 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
10862 Reported by Nelson H. F. Beebe.
10863
10864 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
10865
108662003-01-02 Paul Eggert <eggert@twinsun.com>
10867
10868 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
10869 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
10870 Bug reported by Nelson H. F. Beebe.
10871
108722003-01-01 Paul Eggert <eggert@twinsun.com>
10873
10874 * Version 1.875.
10875
108762002-12-30 Paul Eggert <eggert@twinsun.com>
10877
10878 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
10879 Moved here from...
10880 (<INITIAL>","): Here. This causes stray "," to be treated
10881 more uniformly.
10882
10883 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
10884 last brace in braced code when not in Yacc mode, for compatibility
10885 with Bison 1.35. This resurrects the 2001-12-15 patch to
10886 src/reader.c.
10887
10888 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
10889 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
10890
108912002-12-28 Paul Eggert <eggert@twinsun.com>
10892
10893 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
10894 that of SYM's type. This fixes Debian bug 168069, reported by
10895 Thomas Olsson.
10896
108972002-12-28 Paul Eggert <eggert@twinsun.com>
10898
10899 Version 1.75f.
10900
10901 Switch back to the Yacc style of conflict reports, undoing some
10902 of the 2002-07-30 change.
10903 * doc/bison.texinfo (Understanding): Use Yacc style for
10904 conflict reports. Also, use new way of locating rules.
10905 * src/conflicts.c (conflict_report):
10906 Renamed from conflict_report_yacc, removing the old
10907 'conflict_report'. Translate the entire conflict report at once,
10908 so that we don't assume that "," has the same interpretation in
10909 all languages.
10910 (conflicts_output): Use Yacc-style conflict report for each state,
10911 instead of our more-complicated style.
10912 (conflicts_print): Use Yacc-style conflict report, except print
10913 the input file name when not emulating Yacc.
10914 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
10915 Conflicted Reduction, %expect not enough, %expect too much,
10916 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
10917 * tests/existing.at (GNU Cim Grammar): Likewise.
10918 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
10919
10920 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
10921 fatal): Don't invoke fflush; it's not needed and it might even be
10922 harmful for stdout, as stdout might not be open.
10923 * src/reduce.c (reduce_print): Likewise.
10924
109252002-12-27 Paul Eggert <eggert@twinsun.com>
10926
10927 Fix a bug where error locations were not being recorded correctly.
10928 This problem was originally reported by Paul Hilfinger in
10929 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
10930
10931 * data/yacc.c (yyparse): New local var yylerrsp, to record the
10932 top of the location stack's error locations.
10933 (yyerrlab): Set it. When discarding a token, push its location
10934 onto yylerrsp so that we don't lose track of the error's end.
10935 (yyerrlab1): Now is only the target of YYERROR, so that we can
10936 properly record the location of the action that failed. For GCC
10937 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
10938 GCC warning about yyerrlab1 being unused if YYERROR is unused.
10939 (yyerrlab2): New label, which yyerrlab now falls through to.
10940 Compute the error's location by applying YYLLOC_DEFAULT to
10941 the locations of all the symbols that went into the error.
10942 * doc/bison.texinfo (Location Default Action): Mention that
10943 YYLLOC_DEFAULT is also invoked for syntax errors.
10944 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10945 Error locations include the locations of all the tokens that were
10946 discarded, not just the last token.
10947
109482002-12-26 Paul Eggert <eggert@twinsun.com>
10949
10950 * src/files.c: Include quote.h.
10951 (compute_output_file_names): Warn if we detect conflicting
10952 outputs to the same file. This should catch the misunderstanding
10953 exemplified by Debian Bug 165349, reported by Bruce Stephens..
10954
10955 * src/conflicts.c (conflicts_print): If the user specifies
10956 "%expect N", report an error if there are any reduce/reduce
10957 conflicts. This is what the manual says should happen.
10958 This fixes Debian bug 130890, reported by Anthony DeRobertis.
10959 * tests/conflicts.at (%expect with reduce conflicts): New test.
10960
10961 Don't use m4_include on relative file names, as it doesn't work as
10962 desired if there happens to be a file with that name under ".".
10963
10964 * m4sugar/version.m4: Remove; it was included but it wasn't used.
10965 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
10966 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
10967 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
10968 * src/output.c (output_skeleton): Use full path names when
10969 specifying a file to include; don't rely on include path, as
10970 it's unreliable when the working file contains a file with
10971 that name.
10972
109732002-12-25 Paul Eggert <eggert@twinsun.com>
10974
10975 Remove obsolete references to bison.simple and bison.hairy.
10976 Problem mentioned by Aubin Mahe in
10977 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
10978 * data/glr.c: Comment fix.
10979 * doc/bison.1: Remove references. Also, mention "yacc".
10980
10981 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
10982 with -g option.
10983
10984 * src/parse-gram.y (declaration): Use enum "report_states" rather
10985 than its numeric value 1.
10986
10987 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
10988 opening a new one. This fixes Debian bug 165349, reported by
10989 Bruce Stephens.
10990
109912002-12-24 Paul Eggert <eggert@twinsun.com>
10992
10993 Version 1.75e.
10994
10995 * Makefile.maint (cvs-update): Don't assume that the shell
10996 supports $(...), as Solaris sh doesn't.
10997
10998 * src/parse-gram.y (lloc_default): Remove test for empty
10999 nonterminals at the end, since it didn't change the result.
11000
110012002-12-24 Paul Eggert <eggert@twinsun.com>
11002
11003 If the user does not define YYSTYPE as a macro, Bison now declares it
11004 using typedef instead of defining it as a macro. POSIX requires this.
11005 For consistency, YYLTYPE is also declared instead of defined.
11006
11007 %union directives can now have a tag before the `{', e.g., the
11008 directive `%union foo {...}' now generates the C code
11009 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
11010 The default union tag is `YYSTYPE', for compatibility with Solaris 9
11011 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
11012 instead of `yyltype'.
11013
11014 `yystype' and `yyltype' are now obsolescent macros instead of being
11015 typedefs or tags; they are no longer documented and will be
11016 withdrawn in a future release.
11017
11018 * data/glr.c (b4_location_type): Remove.
11019 (YYSTYPE): Renamed from yystype.
11020 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
11021 (struct YYLTYPE): Renamed from struct yyltype.
11022 (YYLTYPE): Renamed from yyltype.
11023 (yyltype, yystype): New (and obsolescent) macros,
11024 for backward compatibility.
11025 * data/yacc.c: Likewise.
11026
11027 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
11028 does not specify a union tag. This is for compatibility with
11029 Solaris 9 yacc.
11030
11031 * src/parse-gram.y (add_param): 2nd arg is now char * not char
11032 const *, since it is now modified by stripping surrounding { }.
11033 (current_braced_code): Remove.
11034 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
11035 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
11036 trailing " {...}". Now of type <chars>.
11037 (grammar_declaration): Adjust to bundled tokens.
11038 (code_content): Remove; stripping is now done by add_param.
11039 (print_token_value): Print contents of bundled tokens.
11040 (token_name): New function.
11041
11042 * src/reader.h (braced_code, current_braced_code): Remove.
11043 (token_name): New decl.
11044
11045 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
11046 token_type, not braced_code code_kind. All uses changed.
11047 (SC_PRE_CODE): New state, for scanning after a keyword that
11048 has (or usually has) an immediately-following braced code.
11049 (token_type): New local var, to keep track of which token type
11050 to return when scanning braced code.
11051 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
11052 <INITIAL>"%parse-param", <INITIAL>"%printer",
11053 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
11054 instead of returning a token type immediately.
11055 (<INITIAL>"{"): Set token type.
11056 (<SC_BRACED_CODE>"}"): Use it.
11057 (handle_action_dollar, handle_action_at): Now returns bool
11058 indicating success. Fail if ! current_rule; this prevents a core dump.
11059 (handle_symbol_code_dollar, handle_symbol_code_at):
11060 Remove; merge body into caller.
11061 (handle_dollar, handle_at): Complain in invalid contexts.
11062
11063 * NEWS, doc/bison.texinfo: Document the above.
11064 * NEWS: Fix years and program names in copyright notice.
11065
110662002-12-17 Paul Eggert <eggert@twinsun.com>
11067
11068 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
11069 Reporting, Table of Symbols): Omit mentions of %lex-param and
11070 %parse-param from the documentation for now.
11071
110722002-12-15 Paul Eggert <eggert@twinsun.com>
11073
11074 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
11075 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
11076 lookahead symbol, and which sets yychar in parser actions) and it
11077 disagreed with the Bison documentation. Bug
11078 reported by Andrew Walrond.
11079
11080 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
11081 as the caller now does that.
11082 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
11083 (YYEMPTY): Parenthesize right hand side, since others use it.
11084 (yyparse): Don't assume that our generated code is the only code
11085 that sets yychar.
11086
110872002-12-13 Paul Eggert <eggert@twinsun.com>
11088
11089 Version 1.75d.
11090
11091 POSIX requires a "yacc" command.
11092 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
11093 (MOSTLYCLEANFILES): Add yacc.
11094 (yacc): New rule.
11095 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
11096 as an alias for bison y.
11097
11098 * po/LINGUAS: Add da.
11099
11100 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
11101 problem with latest <getopt.h>.
11102 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
11103
11104 * doc/fdl.texi: Upgrade to 1.2.
11105 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
11106 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
11107 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
11108 gnulib.
11109 * config/install-sh: Sync with autotools.
11110
11111 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
11112 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
11113 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
11114 locations are requested.
11115 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
11116 locations are requested.
11117
111182002-12-12 Paul Eggert <eggert@twinsun.com>
11119
11120 Remove unportable casts and storage allocation tricks.
11121 While we're at it, remove almost all casts, since they
11122 usually aren't needed and are a sign of trouble.
11123
11124 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
11125
11126 * src/derives.c (derives_compute): Do not subtract NTOKENS from
11127 the pointer DSET returned by malloc; this isn't portable.
11128 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
11129 Similarly for DERIVES.
11130 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
11131 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
11132 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
11133
11134 * src/derives.c (derives_compute): Do not bother invoking
11135 int_of_rule_number, since rule numbers are integers.
11136
11137 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
11138 rather than XMALLOC (char, N).
11139
11140 * src/files.c (filename_split): Rewrite to avoid cast.
11141
11142 * src/gram.h (symbol_number_as_item_number,
11143 item_number_as_symbol_number, rule_number_as_item_number,
11144 item_number_as_rule_number):
11145 Now inline functions rather than macros, to avoid casts.
11146 * src/state.h (state_number_as_int): Likewise.
11147 * src/tables.c (state_number_to_vector_number,
11148 symbol_number_to_vector_number): Likewise.
11149
11150 * src/gram.h (int_of_rule_number): Remove; no longer used.
11151
11152 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
11153 since the resulting storage is always stored into.
11154
11155 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
11156 where it's needed.
11157
11158 * src/muscle_tab.c (muscle_m4_output):
11159 Now inline. Return bool, not int.
11160 * src/state.c (state_compare): Likewise.
11161 * src/symtab.c (symbol_check_defined,
11162 symbol_check_alias_consistency, symbol_pack, symbol_translation,
11163 hash_compare_symbol, hash_symbol):
11164 Likewise.
11165 * src/uniqstr.c (uniqstr_print): Likewise.
11166 * src/muscle_tab.c (muscle_m4_output_processor):
11167 New function, to avoid casts.
11168 * src/state.c (state_comparator, stage_hasher): Likewise.
11169 * src/symtab.c (symbol_check_defined_processor,
11170 symbol_check_alias_consistency_processor, symbol_pack_processor,
11171 symbol_translation_processor, hash_symbol_comparator,
11172 hash_symbol_hasher): Likewise.
11173 * src/uniqstr.c (uniqstr_print_processor): Likewise.
11174 * src/muscle_tab.c (muscles_m4_output):
11175 Use new functions instead of casting old functions unportably.
11176 * src/state.c (state_hash_new): Likewise.
11177 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
11178 symbols_token_translations_init):
11179 Likewise.
11180 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
11181
11182 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
11183 var instead of casting to long, to avoid casts.
11184 (prepare_states): Use MALLOC rather than alloca, so that we don't
11185 have to worry about alloca.
11186 * src/state.c (state_hash_lookup): Likewise.
11187
11188 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
11189 local var instead of casting to unsigned char, to avoid casts.
11190
11191 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
11192 STATE_ALLOC): Remove.
11193 (transitions_new, errs_new, reductions_new, state_new): Use malloc
11194 rather than calloc, and use offsetof to avoid allocating slightly
11195 too much storage.
11196 (state_new): Initialize all members.
11197
11198 * src/state.c (state_hash): Use unsigned accumulator, not signed.
11199
11200 * src/symtab.c (symbol_free): Remove; unused.
11201 (symbol_get): Remove cast in lhs of assignment.
11202 (symbols_do): Now static. Accept generic arguments, not
11203 hashing-related ones.
11204
11205 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
11206 (symbol_processor): Remove.
11207 (symbols_do): Remove decl; now static.
11208
11209 * src/system.h (alloca): Remove; decl no longer needed.
11210 (<stddef.h>): Include, for offsetof.
11211 (<inttypes.>, <stdint.h>): Include if available.
11212 (uintptr_t): New type, if system lacks it.
11213 (CALLOC, MALLOC, REALLOC): New macros.
11214 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
11215 new macros.
11216
11217 * src/tables.c (table_size): Now int, to pacify GCC.
11218 (table_grow, table_ninf_remap): Use signed table size.
11219 (save_row): Don't bother initializing locals when not needed.
11220 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
11221 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
11222
11223 * src/vcg.h: Correct misspellings.
11224
11225 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
11226
11227
11228 * src/getargs.c (getargs): Don't assume EOF == -1.
11229
112302002-12-09 Paul Eggert <eggert@twinsun.com>
11231
11232 Change identifier spellings to avoid collisions with names
11233 that are reserved by POSIX.
11234
11235 Don't use names ending in _t, since POSIX reserves them.
11236 For consistency, remove _e and _s endings -- they're weren't
11237 needed to remove ambiguity. All uses changed.
11238 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
11239 turn was just renamed from struniq_t.
11240 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
11241 which in turn was just renamed from struniq_processor_t.
11242 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
11243 in turn was renamed from hash_compare_struniq_t.
11244 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
11245 (state_list): Renamed from state_list_t.
11246 * src/assoc.h (assoc): Renamed from assoc_t.
11247 * src/conflicts.c (enum conflict_resolution): Renamed from
11248 enum conflict_resolution_e.
11249 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
11250 (rule_list): Renamed from rule_list_t.
11251 * src/getargs.h (enum trace): Renamed from enum trace_e.
11252 (enum report): Renamed from enum report_e.
11253 * src/gram.h (item_number): Renamed from item_number_t.
11254 (rule_number): Renamed from rule_number_t.
11255 (struct rule_s): Remove the "rule_s" part; not used.
11256 (rule): Renamed from rule_t.
11257 (rule_filter): Renamed from rule_filter_t.
11258 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
11259 (goto_list): Renamed from goto_list_t.
11260 * src/lalr.h (goto_number): Renamed from goto_number_t.
11261 * src/location.h (location): Renamed from location_t.
11262 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
11263 and moved here from:
11264 * src/muscle_tab.h (muscle_entry_t): here.
11265 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
11266 (rule_list): Renamed from rule_list_t.
11267 * src/print_graph.c (static_graph): Renamed from graph.
11268 * src/reader.h (braced_code): Renamed from braced_code_t.
11269 Remove brace_code_e tag.
11270 * src/relation.h (relation_node): Renamed from relation_node_t.
11271 (relation_nodes): Renamed from relation_nodes_t.
11272 (relation): Renamed from relation_t.
11273 * src/state.h (state_number): Renamed from state_number_t.
11274 (struct state): Renamed from struct state_s.
11275 (state): Renamed from state_t.
11276 (transitions): Renamed from transitions_t. Unused (and
11277 misspelled) transtion_s tag removed.
11278 (errs): Renamed from errs_t. Unused errs_s tag removed.
11279 (reductions): Renamed from reductions_t. Unused tag
11280 reductions_s removed.
11281 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
11282 (struct symbol_list): Renamed from struct symbol_list_s.
11283 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
11284 (struct symbol): Renamed from struct symbol_s.
11285 (symbol): Renamed from symbol_t.
11286 * src/tables.c (vector_number): Renamed from vector_number_t.
11287 (action_number): Renamed from action_t.
11288 * src/tables.h (base_number): Renamed from base_t.
11289 * src/vcg.h (enum color): Renamed from enum color_e.
11290 (enum textmode): Renamed from enum textmode_e.
11291 (enum shape): Renamed from enum shape_e.
11292 (struct colorentry): Renamed from struct colorentry_s.
11293 (struct classname): Renamed from struct classname_s.
11294 (struct infoname): Renamed from struct infoname_s.
11295 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
11296 (enum decision): Renamed from enum decision_e.
11297 (enum orientation): Renamed from enum orientation_e.
11298 (enum alignment): Renamed from enum alignment_e.
11299 (enum arrow_mode): Renamed from enum arrow_mode_e.
11300 (enum crossing_type): Renamed from enum crossing_type_e.
11301 (enum view): Renamed from enum view_e.
11302 (struct node): Renamed from struct node_s.
11303 (node): Renamed from node_t.
11304 (enum linestyle): Renamed from enum linestyle_e.
11305 (enum arrowstyle): Renamed from enum arrowstyle_e.
11306 (struct edge): Renamed from struct edge.
11307 (edge): Renamed from edge_t.
11308 (struct graph): Renamed from struct graph_s.
11309 (graph): Renamed from graph_t.
11310 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
11311 Rename value_t -> value.
11312 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
11313 value_t_as_yystype -> value_as_yystype.
11314
11315 Don't include <errno.h> in the mainstream code, since it
11316 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
11317 * lib/get-errno.c, lib/get-errno.h: New files.
11318 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
11319 get-errno.c.
11320 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
11321 * src/output.c (output_skeleton): Likewise.
11322 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
11323 instead of errno.
11324 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
11325 Likewise.
11326 (handle_action_dollar, handle_action_at): Likewise.
11327 * src/system.h: Do not include <errno.h>.
11328 (TAB_EXT): Renamed from EXT_TAB.
11329 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
11330
11331 Avoid str[a-z]*, since <string.h> reserves that name space.
11332 Change all instances of "struniq" in names to "uniqstr", and
11333 likewise for "STRUNIQ" and "UNIQSTR".
11334 * src/uniqstr.c: Renamed from src/struniq.c.
11335 * src/uniqstr.h: Renamed from src/struniq.h.
11336 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
11337 * src/files.c (strsuffix): Remove; unused.
11338 (concat2): Renamed from stringappend. Now static.
11339 * src/files.h (strsuffix, stringappend): Remove; unused.
11340 * src/parse-gram.y (<chars>): Renamed from <string>.
11341 (<uniqstr>): Renamed from <struniq>.
11342 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
11343 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
11344 (struct graph_s.expand): Renamed from struct graph_s.stretch.
11345 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
11346 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
11347 (N_EXPAND): Renamed from N_STRETCH.
11348
11349 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
11350 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
11351 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
11352 Remove; unused.
11353 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
11354 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
11355 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
11356 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
11357 (BASE_MAXIMUM): Renamed from BASE_MAX.
11358 (BASE_MINIMUM): Renamed from BASE_MIN.
11359 (ACTION_MAX): Remove; unused.
11360 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
11361 Unnecessary casts removed from above defines.
11362
11363
11364 Fix misspelling in names.
11365 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
11366 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
11367 G_NODE_ALIGNEMENT.
11368
11369
11370 * lib/timevar.c (timevar_report): Renamed from time_report,
11371 for consistency with other names.
11372 * lib/timevar.h (timevar_report): New decl.
11373 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
11374
11375
11376 Sort include-file uses.
11377
11378 Reorder all include files under src to be in the order "system.h".
11379 then the ../lib include files in angle brackets (alphabetized),
11380 then the . include files in double-quotes (alphabetized). Fix
11381 dependency breakages encountered in this process, as follows:
11382 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
11383 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
11384 * src/state.h: Include "symtab.h".
11385
113862002-12-08 Paul Eggert <eggert@twinsun.com>
11387
11388 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
11389 since this causes problems when __file__ contains character
11390 sequences like "@" that are treated specially by src/scan-skel.l.
11391 Instead, just use the file's basename. This fixes the bug
11392 reported by Martin Mokrejs in
11393 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
11394
113952002-12-06 Paul Eggert <eggert@twinsun.com>
11396
11397 Add support for rules that do not have trailing semicolons, as
11398 POSIX requires. Improve the quality of locations in Bison
11399 diagnostics.
11400
11401 * src/location.c: Include <quotearg.h>.
11402 (empty_location): Now const.
11403 (location_print): New function. Follow the recommendation of the
11404 GNU Coding Standards for locations that span file boundaries.
11405 * src/location.h: Do not include <quotearg.h>; no longer needed.
11406 (boundary): New type.
11407 (location_t): Use it. This allows locations to span file boundaries.
11408 All member uses changed: file -> start.file or end.file (as needed),
11409 first_line -> start.line, first_column -> start.column,
11410 last_line -> end.line, last_column -> end.column.
11411 (equal_boundaries): New function.
11412 (LOCATION_RESET, LOCATION_STEP): Remove.
11413 (LOCATION_PRINT): Remove. All callers changed to use location_print.
11414 (empty_location): Now const.
11415 (location_print): New decl.
11416 * src/parse-gram.y (lloc_default): New function, which handles
11417 empty locations more accurately.
11418 (YYLLOC_DEFAULT): Use it.
11419 (%token COLON): Remove.
11420 (%token ID_COLON): New token.
11421 (rules): Use it.
11422 (declarations, rules): Remove trailing semicolon.
11423 (declaration, rules_or_grammar_declaration):
11424 Allow empty (";") declaration.
11425 (symbol_def): Remove empty actions; no longer needed.
11426 (rules_or_grammar_declaration): Remove trailing semicolon.
11427 (semi_colon.opt): Remove.
11428 * src/reader.h: Include location.h.
11429 (scanner_cursor): New decl.
11430 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
11431 rolling our own.
11432 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
11433 of *loc.
11434 (STEP): Remove. No longer needed, now that adjust_location does
11435 the work. All uses removed.
11436 (scanner_cursor): New var.
11437 (adjust_location): Renamed from extend_location. It now sets
11438 *loc and adjusts the scanner cursor. All uses changed.
11439 Don't bother testing for CR.
11440 (handle_syncline): Remove location arg; now updates scanner cursor.
11441 All callers changed.
11442 (unexpected_end_of_file): Now accepts start boundary of token or
11443 comment, not location. All callers changed. Update scanner cursor,
11444 not the location.
11445 (SC_AFTER_IDENTIFIER): New state.
11446 (context_state): Renamed from c_context. All uses changed.
11447 (id_loc, code_start, token_start): New local vars.
11448 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
11449 processing of Yacc white space and equivalents here.
11450 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
11451 instead of returning ID immediately, since we need to search for
11452 a subsequent colon.
11453 (<INITIAL>"'", "\""): Save token_start.
11454 (<INITIAL>"%{", "{", "%%"): Save code_start.
11455 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
11456 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
11457 BEGIN context_state at end, not INITIAL.
11458 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
11459 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
11460 Return correct token start.
11461 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
11462 the start of a character, string or multiline comment is found.
11463 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
11464 Reduction): Adjust reported locations to match the more-precise
11465 results now expected.
11466 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
11467 * tests/reduce.at (Useless Rules, Reduced Automaton,
11468 Underivable Rules): Likewise.
11469 * tests/regression.at (Invalid inputs): No longer `expecting ";"
11470 or "|"' now that so many other tokens are allowed by the new grammar.
11471
11472 * src/complain.h (current_file): Remove duplicate decl;
11473 current_file is now owned by files.h.
11474 * src/complain.c, src/scan-gram.l: Include files.h.
11475
114762002-12-06 Paul Eggert <eggert@twinsun.com>
11477
11478 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
11479 promotes to int; it might be unsigned int.
11480 * data/yacc.c (yy_reduce_print): Likewise.
11481
11482 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
11483 be #defined in the prologue, not in the Bison declarations.
11484 This fixes Debian Bug 102878, reported by Shaul Karl.
11485
114862002-12-02 Paul Eggert <eggert@twinsun.com>
11487
11488 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
11489 * lib/strtoul.c: New file, from gnulib.
11490 This fixes a porting bug reported by Peter Klein in
11491 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
11492
114932002-11-30 Paul Eggert <eggert@twinsun.com>
11494
11495 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
11496 and put only a forward declaration in the prologue. This is for
11497 consistency with the other scanner helper functions.
11498
11499 Type clashes now generate warnings, not errors, since it
11500 appears that POSIX may allow some grammars with type clashes.
11501 * src/reader.c (grammar_current_rule_check): Warn about
11502 type clashes instead of complaining.
11503 * tests/input.at (Type Clashes): Expect warnings, not complaints.
11504
11505 Add Yacc library, since POSIX requires it.
11506 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
11507 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
11508 * lib/main.c, lib/yyerror.c: New files.
11509
11510 gram_error can be static; it need not be extern.
11511 * src/reader.h (gram_error): Remove decl.
11512 * src/parse-gram.y (gram_error): Now static. Add static decl.
11513 (print_token_value): Omit parameter names from forward decl,
11514 for consistency.
11515
115162002-11-29 Paul Eggert <eggert@twinsun.com>
11517
11518 * doc/bison.texinfo: Emphasize that yylex and yyerror must
11519 be declared before being used. E.g., one should typically
11520 declare them in the prologue. Use GNU coding style in examples.
11521 Put "const" consistently after the type it modifies. Mention
11522 that C99 supports "inline". Mention that yyerror traditionally
11523 returns "int".
11524
11525 %parse-param and %lex-param now take just one argument, the
11526 declaration; the argument name is deduced from the declaration.
11527
11528 * doc/bison.texinfo (Parser Function, Pure Calling, Error
11529 Reporting, Table of Symbols): Document this.
11530 * src/parse-gram.y (add_param): New function.
11531 (COMMA): Remove.
11532 (declaration): Implement new rule for %parse-param and %lex-param.
11533 * src/scan-gram.l: "," now elicits a warning, rather than being
11534 a token; this is more compatible with byacc.
11535 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
11536
115372002-11-27 Paul Eggert <eggert@twinsun.com>
11538
11539 Rename identifiers to avoid real and potential collisions.
11540
11541 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
11542 to avoid collision with lex macro described by Bruce Lilly in
11543 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
11544 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
11545 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
11546 * src/parse-gram.y (print_token_value): Renamed from yyprint.
11547 All uses changed.
11548 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
11549 The name "yycontrol" violates the name space rules, and this stuff
11550 wasn't being used anyway.
11551 (input): Remove action; this stuff wasn't being used.
11552 (gram_error): Rename local variable yylloc -> loc.
11553 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
11554 (YY_DECL): Don't use "yy" at start of local variables.
11555 All uses changed, e.g., yylloc -> loc.
11556 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
11557 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
11558 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
11559 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
11560
11561 * src/parse-gram.y (gram_error): loc is now const *.
11562 * src/reader.h (gram_error): Likewise.
11563
115642002-11-24 Paul Eggert <eggert@twinsun.com>
11565
11566 Version 1.75c.
11567
11568 * tests/actions.at (Actions after errors): Use an output format
11569 more similar to that of the Printers and Destructors test.
11570 Test the position of the ';' token too.
11571 (Printers and Destructors): Likewise.
11572 (Printers and Destructors: %glr-parser): Remove for now, to avoid
11573 unnecessarily alarming people when the test fails.
11574
11575 * data/yacc.c (yyerrlab1): Move this label down, so that the
11576 parser does not discard the lookahead token if the user code
11577 invokes YYERROR. This change is required for POSIX conformance.
11578
11579 * lib/error.c: Sync with gnulib.
11580
115812002-11-22 Paul Eggert <eggert@twinsun.com>
11582
11583 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
11584 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
11585 * lib/xmalloc.c: Likewise.
11586
115872002-11-20 Paul Eggert <eggert@twinsun.com>
11588
11589 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
11590
115912002-11-20 Paul Eggert <eggert@twinsun.com>
11592
11593 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
11594 should use `if (! x) abort ();' rather than `assert (x);', and
11595 anyway it's one less thing to worry about configuring.
11596
11597 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
11598 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
11599 and replace all instances of assert with abort.
11600 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
11601 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
11602
11603 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
11604 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
11605 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
11606 hash_find_entry, hash_rehash, hash_insert): Likewise.
11607 * src/conflicts.c (resolve_sr_conflict): Likewise.
11608 * src/lalr.c (set_goto_map, map_goto): Likewise.
11609 * src/nullable.c (nullable_compute): Likewise.
11610 * src/output.c (prepare_rules, token_definitions_output): Likewise.
11611 * src/reader.c (packgram, reader): Likewise.
11612 * src/state.c (state_new, state_free, state_transitions_set,
11613 state_reduction_find): Likewise.
11614 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
11615 symbol_pack): Likewise.
11616 * src/tables.c (conflict_row, pack_vector): Likewise.
11617 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
11618 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
11619 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
11620 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
11621
11622 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
11623 (ARGMATCH_CONSTRAINT): New macro.
11624 (ARGMATCH_ASSERT): Use it.
11625
11626 * src/system.h (verify): New macro.
11627 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
11628 rather than assert.
11629 * src/tables.c (tables_generate): Likewise.
11630
11631 * src/struniq.c (struniq_assert): Now returns void, and aborts
11632 if the assertion is false.
11633 (struniq_assert_p): Remove.
11634 * src/struniq.h: Likewise.
11635
116362002-11-18 Paul Eggert <eggert@twinsun.com>
11637
11638 * data/glr.c (yygetLRActions): Replace `yyindex' with
11639 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
11640 This fixes the regression with Sun ONE Studio 7 cc that I reported in
11641 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
11642
116432002-11-18 Akim Demaille <akim@epita.fr>
11644
11645 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
11646 space.
11647 From Tim Van Holder.
11648
116492002-11-17 Paul Eggert <eggert@twinsun.com>
11650
11651 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
11652 to "SyntaxError" for consistency with my 2002-11-15 change.
11653
11654 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
11655 not define to {}, since this breaks the common use of `YYDPRINTF
11656 ((...));' if a single statement is desired (e.g. before `else').
11657 Work around GCC warnings by surrounding corresponding calls with
11658 {} if needed.
11659 (yyhasResolvedValue): Remove unused function.
11660 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
11661 loop body.
11662 (yyreportSyntaxError): Renamed from yyreportParseError.
11663 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
11664 All uses changed.
11665 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
11666 extern when possible. Remove unused initializations.
11667
116682002-11-16 Akim Demaille <akim@epita.fr>
11669
11670 Augment the similarity between GLR and LALR traces.
11671
11672 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
11673 (YY_REDUCE_PRINT): New.
11674 (yyparse): Use them.
11675 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
11676 YYDPRINT here.
11677 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
11678 state reached after the reduction/recovery, since...
11679 (yyparse, yyprocessOneStack): Report the state we are entering in.
11680
116812002-11-16 Akim Demaille <akim@epita.fr>
11682
11683 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
11684 Add support for --trace=skeleton.
11685 * src/scan-skel.l: %option debug.
11686 Scan strings of non-@ or \n instead of character by character.
11687 (scan_skel): Handle trace_skeleton.
11688 (QPUTS): New.
11689 (@output_parser_name@, @output_header_name@): ``Restore'' their
11690 support (used to be M4 macros).
11691 * data/yacc.c: Quote larger chunks, a la glr.c.
11692 * data/lalr1.cc: Likewise.
11693 The header guards are no longer available, so use some other
11694 string than `YYLSP_NEEDED'.
11695
116962002-11-16 Akim Demaille <akim@epita.fr>
11697
11698 Make the ``Printers and Destructors'' test more verbose, taking
11699 `yacc.c''s behavior as (possibly wrong) reference.
11700
11701 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
11702 instead of fprint on stdout.
11703 Set and report the last_line of the symbols.
11704 Consistently display values and locations.
11705
117062002-11-16 Paul Eggert <eggert@twinsun.com>
11707
11708 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
11709
117102002-11-15 Paul Eggert <eggert@twinsun.com>
11711
11712 * tests/actions.at (Actions after errors): New test case.
11713
11714 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
11715 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
11716 tests/action.at, tests/calc.at, tests/conflicts.at,
11717 tests/cxx-type.at, tests/regression.at:
11718 "parse error" -> "syntax error" for POSIX compatibility.
11719 "parsing stack overflow..." -> "parser stack overflow" so
11720 that code matches Bison documentation.
11721
117222002-11-15 Akim Demaille <akim@epita.fr>
11723
11724 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
11725 take two BRACED_CODE, not two string_content.
11726 Free the scanner's obstack when we are done.
11727 (code_content): New.
11728 * tests/calc.at: Adjust.
11729 * doc/bison.texinfo: Adjust.
11730 Also, make sure to include the `,' for these declarations.
11731
117322002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
11733
11734 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
11735 definition; avoids potential autoreconf problems.
11736
117372002-11-15 Akim Demaille <akim@epita.fr>
11738
11739 Always check the value returned by yyparse.
11740
11741 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
11742 returned by yyparse.
11743 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
11744 Adjust calls.
11745 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
11746 returned by yyparse.
11747
117482002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11749
11750 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
11751 on input.at test.
11752
117532002-11-14 Paul Eggert <eggert@twinsun.com>
11754
11755 * src/output.c (output_skeleton): Call xfopen instead of
11756 duplicating xfopen's body.
11757
11758 Fix bugs reported by Nelson H. F. Beebe in
11759 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
11760
11761 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
11762 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
11763 Group compiler. Instead, use "$CC -E bar.c". Include the .h
11764 file twice in the grammar, as an extra check.
11765
11766 * tests/input.at (Torturing the Scanner): Surround the
11767 backslash-newline tests with "#if 0", to make it less likely that
11768 we'll run into compiler bugs. Bring back solitary \ inside
11769 comment, but add a closing comment to work around HP C bug. Don't
11770 test backslash-newline in C character constant.
11771
117722002-11-14 Akim Demaille <akim@epita.fr>
11773
11774 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
11775 status of the compiler.
11776 Calling `exit 1' is no longer needed.
11777 Reported by Nelson H. F. Beebe.
11778
117792002-11-14 Akim Demaille <akim@epita.fr>
11780
11781 * tests/atlocal.in (CPPFLAGS): We have config.h.
11782 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
11783 New.
11784 * tests/actions.at, tests/calc.at, tests/conflicts.at,
11785 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
11786 * tests/regression.at, tests/torture.at: Use them for all the
11787 grammars that are to be compiled.
11788 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
11789 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
11790 * doc/bison.texinfo (GLR Parsers): Document `inline'.
11791
117922002-11-14 Akim Demaille <akim@epita.fr>
11793
11794 * doc/bison.texinfo: Various formatting changes (alignments in
11795 samples, additional @group/@end group, GCS in samples.
11796 Use @deffn instead of simple @table to define the directives,
11797 macros, variables etc.
11798
117992002-11-13 Paul Eggert <eggert@twinsun.com>
11800
11801 Fix some bugs reported by Albert Chin-A-Young in
11802 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
11803
11804 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
11805 -o c"; the HP C compiler chatters during compilation.
11806 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
11807 * tests/headers.at (export YYLTYPE): Likewise.
11808
11809 * tests/input.at (Torturing the Scanner): Remove lines containing
11810 solitary backslashes, as they tickle a bug in the HP C compiler.
11811
11812 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
11813 comments, since they're not portable. Use GNU coding style.
11814
118152002-11-13 Akim Demaille <akim@epita.fr>
11816
11817 * data/yacc.c: Leave bigger chunks of quoted text.
11818 (YYDSYMPRINTF): New.
11819 Use it to report symbol activities.
11820 * data/glr.c (YYDSYMPRINTF): New.
11821 Use it.
11822
118232002-11-12 Paul Eggert <eggert@twinsun.com>
11824
11825 Version 1.75b.
11826
11827 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
11828 (yyglrReduce): Return yyok, not 0.
11829 This should avoid the enumerated-type warnings reported
11830 by Nelson H. F. Beebe in
11831 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
11832
11833 * lib/bbitset.h (BITSET_INLINE): Remove.
11834 * lib/bitset.h [! BITSET_INLINE]: Remove.
11835 (bitset_set, bitset_reset, bitset_test): Rename local vars
11836 to avoid shadowing warnings by GCC.
11837
11838 * data/glr.c (inline): Remove #define. It's the user's
11839 responsibility to #define it away, just like 'const'.
11840 This fixes one of the bugs reported by Nelson H. F. Beebe in
11841 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
11842
11843 * Makefile.maint (po-check): Scan .l and .y files instead of the
11844 .c and the .h files that they generate. This fixes the bug
11845 reported by Tim Van Holder in:
11846 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
11847 Look for N_ as well as for _. Try to avoid matching #define for
11848 N_ and _.
11849 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
11850 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
11851 * src/scan-gram.l: Revamp regular expressions so that " and '
11852 do not confuse xgettext.
11853
11854 * src/struniq.h (struniq_new): Do not declare the return type
11855 to be 'const'; this violates the C standard.
11856 * src/struniq.c (struniq_new): Likewise.
11857
118582002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
11859
11860 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
11861 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
11862 linker.
11863
118642002-11-12 Akim Demaille <akim@epita.fr>
11865
11866 * Makefile.maint: Sync with Autoconf:
11867 (local_updates): New.
11868
118692002-11-12 Akim Demaille <akim@epita.fr>
11870
11871 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
11872
118732002-11-12 Akim Demaille <akim@epita.fr>
11874
11875 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
11876 locations.
11877
118782002-11-12 Akim Demaille <akim@epita.fr>
11879
11880 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
11881 not yyvalue.
11882
118832002-11-12 Akim Demaille <akim@epita.fr>
11884
11885 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
11886 Use it to test the GLR parser.
11887
118882002-11-12 Akim Demaille <akim@epita.fr>
11889
11890 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
11891 defines it.
11892 * data/glr.c (yystos): New.
11893 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
11894 (YYDSYMPRINT): New.
11895 (yyval): Don't define it, it is handled via M4.
11896 (yyrecoverParseError): Free verbosely the discarded symbols.
11897 * data/yacc.c (yysymprint): Remove, rather...
11898 (b4_yysymprint_generate): invoke.
11899 * data/c.m4 (b4_yysymprint_generate): New.
11900 Accept pointers as arguments, as opposed to the version from
11901 yacc.c.
11902 (b4_yydestruct_generate): Likewise.
11903 * tests/cations.at (Printers and Destructors): Use Bison directives
11904 instead of CPP macros.
11905 Don't rely on internal details.
11906
119072002-11-12 Akim Demaille <akim@epita.fr>
11908
11909 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
11910 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
11911 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
11912 it against YYEMPTY and so forth), work on yytoken (i.e., set
11913 it to YYEMPTY etc.).
11914 (yydestruct): Replace with a b4_yydestruct_generate invocation.
11915 (b4_symbol_actions): Remove.
11916 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
11917 for 0, end-of-input.
11918
119192002-11-12 Akim Demaille <akim@epita.fr>
11920
11921 * doc/bison.texinfo (Destructor Decl): New.
11922
119232002-11-12 Akim Demaille <akim@epita.fr>
11924
11925 * src/tables.c (tables_generate): Use free for pointers that
11926 cannot be NULL, not XFREE.
11927 (pack_vector): Use assert, not fatal, for bound violations.
11928 * src/state.c (state_new): Likewise.
11929 * src/reader.c (reader): Likewise.
11930 * src/lalr.c (set_goto_map): Likewise.
11931 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
11932 the file name.
11933
119342002-11-12 Akim Demaille <akim@epita.fr>
11935
11936 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
11937 Restore.
11938 * src/scan-gram.l (last_string): Is global to the file, not to
11939 yylex.
11940 * src/parse-gram.y (input): Don't append the epilogue here,
11941 (epilogue.opt): do it here, and free the scanner's obstack.
11942 * src/reader.c (epilogue_set): Rename as...
11943 (epilogue_augment): this.
11944 * data/c.m4 (b4_epilogue): Defaults to empty.
11945
119462002-11-12 Akim Demaille <akim@epita.fr>
11947
11948 * src/getargs.c (long_options): Remove duplicates.
11949 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
11950 Remove.
11951 * doc/bison.rnh: Remove.
11952 * doc/bison.texinfo (VMS Invocation): Remove.
11953
119542002-11-12 Akim Demaille <akim@epita.fr>
11955
11956 * src/struniq.h, src/struniq.c (struniq_t): Is const.
11957 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
11958
11959 Use struniq for symbols.
11960
11961 * src/symtab.h (symbol_t): The tag member is a struniq.
11962 (symbol_type_set): Adjust.
11963 * src/symtab.c (symbol_new): Takes a struniq.
11964 (symbol_free): Don't free the tag member.
11965 (hash_compare_symbol_t, hash_symbol_t): Rename as...
11966 (hash_compare_symbol, hash_symbol): these.
11967 Use the fact that tags as struniqs.
11968 (symbol_get): Use struniq_new.
11969 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
11970 Returns a strniq.
11971 * src/reader.h (merger_list, grammar_currentmerge_set): The name
11972 and type members are struniqs.
11973 * src/reader.c (get_merge_function)
11974 (grammar_current_rule_merge_set): Adjust.
11975 (TYPE, current_type): Are struniq.
11976
11977 Use struniq for file names.
11978
11979 * src/files.h, src/files.c (infile): Split into...
11980 (grammar_file, current_file): these.
11981 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
11982 * src/reduce.c (reduce_print): Likewise.
11983 * src/getargs.c (getargs): Likewise.
11984 * src/complain.h, src/complain.c: Likewise.
11985 * src/main.c (main): Call struniqs_new early enough to use it for
11986 file names.
11987 Don't free the input file name.
11988
119892002-11-12 Akim Demaille <akim@epita.fr>
11990
11991 * src/symtab.c (symbol_free): Remove dead deactivated code:
11992 type_name are properly removed.
11993 Don't use XFREE to free items that cannot be NULL.
11994 * src/struniq.h, src/struniq.c: New.
11995 * src/main.c (main): Initialize/free struniqs.
11996 * src/parse-gram.y (%union): Add astruniq member.
11997 (yyprint): Adjust.
11998 * src/scan-gram.l (<{tag}>): Return a struniq.
11999 Free the obstack bit that used to store it.
12000 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
12001
120022002-11-11 Paul Eggert <eggert@twinsun.com>
12003
12004 Revamp to fix many (but not all) of the C- and M4-related quoting
12005 problems. Among other things, this fixes the Bison bug reported
12006 by Jan Hubicka when processing the Bash grammar; see:
12007 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
12008
12009 Use new @ escapes consistently. Represent brackets with @{ and @}
12010 rather than @<:@ and @:>@, since this works a bit better with dumb
12011 editors like vi. Represent @ with @@, since @ is now consistently
12012 an escape. Use @oline@ and @ofile@ rather than __oline__ and
12013 __ofile__, to avoid unexpected expansions. Similarly, use @output
12014 rather than #output.
12015
12016 * data/c.m4 (b4_copyright): Omit file name from comment, since
12017 the file name could contain "*/".
12018 (b4_synclines_flag): Don't quote the 2nd argument; it should already
12019 be quoted. All uses changed.
12020
12021 * data/glr.c: Use new @ escapes consistently.
12022 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
12023 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
12024 Remove, since they couldn't handle arbitrary characters in file
12025 names.
12026 * data/lalr1.cc: Likewise.
12027 * data/yacc.c: Likewise.
12028
12029 * src/files.c (output_infix): Remove; all uses removed.
12030 * src/files.h: Likewise.
12031
12032 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
12033 mishandled funny characters in file names, and anyway it isn't
12034 needed any more.
12035 * data/yacc.c: Likewise.
12036 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
12037
12038 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
12039 * data/yacc.c: Likewise.
12040
12041 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
12042 strings now.
12043 (muscle_init): Quote filename as a C string.
12044 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
12045 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
12046 * src/output.c (escaped_file_name_output): New function.
12047 (prepare_symbols): Quote tokens for M4.
12048 (prepare): Don't insert output_infix, output_prefix,
12049 output_parser_name, output_header_name; this is now down by scan-skel.
12050 Insert skeleton as a C string.
12051
12052 * src/output.c (user_actions_output, symbol_destructors_output,
12053 symbol_printers_output): Quote filenames for C and M4.
12054 * src/reader.c (prologue_augment, epilogue_set): Likewise.
12055
12056 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
12057 escapes other than \\ and \'; this simplifies the code.
12058 (<SC_STRING>): Likewise, for \\ and \".
12059 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
12060 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
12061 Use new escapes @{ and @} for [ and ].
12062
12063 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
12064 them with auto vars.
12065 Switch to new escape scheme, where @ is the escape character uniformly.
12066 Abort if a stray escape character is found. Avoid unbounded input
12067 buffer when parsing non-escaped text.
12068
12069 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
12070 __oline__, #output, $@, and @{ do not have unintended meanings.
12071
120722002-11-09 Paul Eggert <eggert@twinsun.com>
12073
12074 Fix the test failure due to GCC warnings described in
12075 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
12076 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
12077 evaluate to 0 if it's impossible for NINF to be in the respective
12078 table.
12079 (yygetLRActions, yyrecoverParseError): Use them.
12080
12081 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
12082 counted in the token inserted at end of file. Now takes
12083 location_t *, not location_t, so that the location can be
12084 adjusted. All uses changed.
12085
12086 * tests/regression.at (Invalid inputs): Adjust wording in
12087 diagnostic to match the new behavior.
12088
12089 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
12090 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
12091 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
12092 abort ();'. This reduces the runtime of the "Many lookaheads"
12093 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
12094 GCC 3.2.
12095
120962002-11-07 Paul Eggert <eggert@twinsun.com>
12097
12098 * src/parse-gram.y (CHARACTER): Remove unused token.
12099 All uses removed.
12100
12101 * src/scan-gram.l: Remove stack option. We no longer use the
12102 stack, since the stack was never deeper than 1; instead, use the
12103 new auto var c_context to record the stacked value.
12104
12105 Remove nounput option. At an unexpected end of file, we now unput
12106 the minimal input necessary to end cleanly; this simplifies the
12107 code.
12108
12109 Avoid unbounded token sizes where this is easy.
12110
12111 (unexpected_end_of_file): New function.
12112 Use it to systematize the error message on unexpected EOF.
12113 (last-string): Now auto, not static.
12114 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
12115 (scanner_last_string_free): Remove; not used.
12116 (percent_percent_count): Move decl to just before use.
12117 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
12118 not the (never otherwised-used) CHARACTER.
12119
121202002-11-07 Akim Demaille <akim@epita.fr>
12121
12122 Let yyerror always receive the msg as last argument, so that
12123 yyerror can be variadic.
12124
12125 * data/yacc.c (b4_yyerror_args): New.
12126 Use it when calling yyerror.
12127 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
12128 Use it when calling yyerror.
12129 * doc/bison.texinfo (Error Reporting): Adjust.
12130 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
12131 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
12132
121332002-11-06 Akim Demaille <akim@epita.fr>
12134
12135 #line should have quoted strings.
12136 Ideally, this should be done by m4_quotearg.
12137
12138 * src/scan-skel.l: Include quotearg.h.
12139 Quote __ofile__.
12140 * src/output.c (symbol_printers_output)
12141 (symbol_destructors_output): Quote the file name.
12142
121432002-11-06 Akim Demaille <akim@epita.fr>
12144
12145 * tests/regression.at (Invalid inputs): Adjust to the recent
12146 messages.
12147
121482002-11-06 Akim Demaille <akim@epita.fr>
12149
12150 Restore --no-lines.
12151 Reported by Jim Kent.
12152
12153 * data/c.m4 (b4_syncline): New.
12154 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
12155 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
12156 * src/output.c (user_actions_output): Likewise.
12157 (prepare): Define 'b4_synclines_flag'.
12158 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
12159
121602002-11-06 Akim Demaille <akim@epita.fr>
12161
12162 * src/main.c (main): Free `infile'.
12163 * src/scan-gram.l (handle_syncline): New.
12164 Recognize `#line'.
12165 * src/output.c (user_actions_output, symbol_destructors_output)
12166 (symbol_printers_output): Use the location's file name, not
12167 infile.
12168 * src/reader.c (prologue_augment, epilogue_set): Likewise.
12169
121702002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12171
12172 * src/tables.c (matching_state): Don't allow states to match if
12173 either has GLR conflict entries.
12174
121752002-11-05 Paul Eggert <eggert@twinsun.com>
12176
12177 * src/scan-gram.l: Use more accurate diagnostics, e.g.
12178 "integer out of range" rather than "invalid value".
12179 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
12180 accordingly.
12181
12182 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
12183 Also, remove one static variable in the scanner.
12184
12185 * src/scan-gram.l (braces_level): Now auto, not static.
12186 Initialize to zero if the compiler is being picky.
12187 (INITIAL): Clear braces_level instead of incrementing it.
12188 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
12189 as POSIX 1003.1-2001 requires.
12190 * src/system.h (IF_LINT): New macro, taken from coreutils.
12191 * configure.ac: Define "lint" if --enable-gcc-warnings.
12192
121932002-11-05 Akim Demaille <akim@epita.fr>
12194
12195 * src/scan-gram.l: When it starts with `%', complain about the
12196 whole directive, not just that `invalid character: %'.
12197
121982002-11-04 Akim Demaille <akim@epita.fr>
12199
12200 * Makefile.maint: Update from Autoconf.
12201 (update, cvs-update, po-update, do-po-update): New.
12202
122032002-11-04 Akim Demaille <akim@epita.fr>
12204
12205 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
12206 and yyerror.
12207 Have yyerror `use' its arguments.
12208 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
12209 returns true when location & yacc & pure & parse-param.
12210 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
12211
122122002-11-04 Akim Demaille <akim@epita.fr>
12213
12214 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
12215 clashes.
12216 * src/scan-gram.l: Use [\'] instead of ['] to pacify
12217 font-lock-mode.
12218 Use complain_at.
12219 Use quote, not quote_n since LOCATION_PRINT no longer uses the
12220 slot 0.
12221
122222002-11-03 Paul Eggert <eggert@twinsun.com>
12223
12224 * src/reader.c (get_merge_function, grammar_current_rule_check):
12225 Use consistent diagnostics for reporting type name clashes.
12226 Quote the types with <>, for consistency with Yacc.
12227 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
12228
122292002-11-03 Akim Demaille <akim@epita.fr>
12230
12231 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
12232 New.
12233 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
12234 (b4_parse_param): Remove.
12235 Use b4_identification.
12236 Propagate b4_pure_args where needed to pass them to yyerror.
12237 * data/glr.m4 (b4_parse_param): Remove.
12238 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
12239 (b4_lpure_formals): New.
12240 Use b4_identification.
12241 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
12242 b4_user_formals and b4_user_args.
12243 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
12244 (yyreportAmbiguity): When using a pure parser, also need
12245 the location, and the parse-params.
12246 Adjust callers.
12247 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
12248 When using a pure parser, also need the parse-params.
12249 Adjust callers.
12250 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
12251 (%pure-parser + %parse-param) LALR and GLR parsers.
12252 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
12253 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
12254 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
12255 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
12256 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
12257 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
12258 * doc/bison.texinfo: Untabify the whole file.
12259 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
12260 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
12261 (Error Reporting): Adjust to these new directives.
12262 Document %error-verbose, deprecate YYERROR_VERBOSE.
12263
122642002-11-03 Akim Demaille <akim@epita.fr>
12265
12266 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
12267 AT_CHECK_CALC_GLR invocations to use % directives, instead of
12268 command line options.
12269 * tests/cxx-type.at: Formatting changes.
12270
122712002-11-03 Paul Eggert <eggert@twinsun.com>
12272
12273 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
12274 to count columns correctly, and to check for invalid inputs.
12275
12276 Use mbsnwidth to count columns correctly. Account for tabs, too.
12277 Include mbswidth.h.
12278 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
12279 (extend_location): New function.
12280 (YY_LINES): Remove.
12281
12282 Handle CRLF in C code rather than in Lex code.
12283 (YY_INPUT): New macro.
12284 (no_cr_read): New function.
12285
12286 Scan UCNs, even though we don't fully handle them yet.
12287 (convert_ucn_to_byte): New function.
12288
12289 Handle backslash-newline correctly in C code.
12290 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
12291 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
12292 all uses changed.
12293 (tag, splice): New EREs. Do not allow NUL or newline in tags.
12294 Use {splice} wherever C allows backslash-newline.
12295 YY_STEP after space, newline, vertical-tab.
12296 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
12297
12298 (letter, id): Don't assume ASCII; e.g., spell out a-z.
12299
12300 ({int}, handle_action_dollar, handle_action_at): Check for integer
12301 overflow.
12302
12303 (YY_STEP): Omit trailing semicolon, so that it's more like C.
12304
12305 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
12306 as well as \000. Check for UCHAR_MAX, not 255.
12307 Allow \x with an arbitrary positive number of digits, as in C.
12308 Check for overflow here.
12309 Allow \? and UCNs, for compatibility with C.
12310
12311 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
12312 with quote slot used by complain_at.
12313
12314 * tests/input.at: Add tests for backslash-newline, m4 quotes
12315 in symbols, long literals, and funny escapes in strings.
12316
12317 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
12318 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
12319 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
12320 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
12321 * m4/mbswidth.m4: New file, from GNU coreutils.
12322
12323 * doc/bison.texinfo (Grammar Outline): Document // comments.
12324 (Symbols): Document that trigraphs have no special meaning in Bison,
12325 nor is backslash-newline allowed.
12326 (Actions): Document that trigraphs have no special meaning.
12327
12328 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
12329 no longer used.
12330
123312002-11-02 Paul Eggert <eggert@twinsun.com>
12332
12333 * src/reader.c: Don't include quote.h; not needed.
12334 (get_merge_function): Reword warning to be consistent with
12335 type clash diagnostic in grammar_current_rule_check.
12336
12337 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
12338 bug in trigraph handling.
12339
12340 * src/output.c (prepare_symbols): When printing token names,
12341 escape "[" as "@<:@" and likewise for "]".
12342
12343 * src/system.h (errno): Remove declaration, as we are now
12344 assuming C89 or better, and C89 guarantees errno.
12345
123462002-10-30 Paul Eggert <eggert@twinsun.com>
12347
12348 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
12349 Check for close failures.
12350 * src/files.h (xfclose): Return void, not int, since it always
12351 returned zero.
12352 * src/files.c (xfclose): Likewise. Report I/O error if ferror
12353 indicates one.
12354 * src/output.c (output_skeleton): Use xfclose rather than fclose
12355 and ferror. xfclose now checks ferror.
12356
12357 * data/glr.c (YYLEFTMOST_STATE): Remove.
12358 (yyreportTree): Use a stack-based leftmost state. This avoids
12359 our continuing battles with bogus warnings about initializers.
12360
123612002-10-30 Akim Demaille <akim@epita.fr>
12362
12363 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
12364 #if.
12365
123662002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12367
12368 * tests/glr-regr1.at: New test for reported regressions.
12369 * tests/testsuite.at: Add glr-regr1.at test.
12370 * tests/Makefile.am: Add glr-regr1.at test.
12371
123722002-10-24 Paul Eggert <eggert@twinsun.com>
12373
12374 Version 1.75a.
12375
12376 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
12377 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
12378 we use malloc. Don't assume 'A' through 'Z' are contiguous.
12379 Don't assume strdup exists; POSIX says its an XSI extension.
12380 Check for buffer overflow on input.
12381
123822002-10-24 Akim Demaille <akim@epita.fr>
12383
12384 * src/output.c (output_skeleton): Don't disable M4sugar comments
12385 too soon: it results in comments being expanded.
12386 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
12387 first output.
12388
123892002-10-24 Akim Demaille <akim@epita.fr>
12390
12391 * data/yacc.c (m4_int_type): New.
12392 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
12393 char' as only yacc.c wants K&R portability.
12394 * data/glr.c (yysigned_char): Remove.
12395 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
12396 Reported by Quoc Peyrot.
12397
123982002-10-23 Paul Eggert <eggert@twinsun.com>
12399
12400 * src/main.c (main): With --trace=time, report times even if a
12401 non-fatal error occurs. Formerly, the times were reported in some
12402 such cases but not in others.
12403 * src/reader.c (reader): Just return if a complaint has been issued,
12404 instead of exiting, so that 'main' can report times.
12405
124062002-10-22 Akim Demaille <akim@epita.fr>
12407
12408 * src/system.h: Include sys/types.
12409 Reported by Bert Deknuydt.
12410
124112002-10-23 Paul Eggert <eggert@twinsun.com>
12412
12413 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
12414 Suggested by Art Haas.
12415
124162002-10-22 Paul Eggert <eggert@twinsun.com>
12417
12418 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
12419 decl; not needed any more.
12420 * src/main.c (main): Use return to exit, undoing yesterday's change.
12421 The last OS that we could find where this wouldn't work is
12422 SunOS 3.5, and that's too old to worry about now.
12423
12424 * data/glr.c (struct yyltype): Define members even when not
12425 doing locations. This is more consistent with yacc.c, and it
12426 works around the following bug reports:
12427 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
12428 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
12429
12430 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
12431 @acronym consistently. Standardize on "Yacc" instead of "YACC",
12432 "Algol" instead of "ALGOL". Give a bit more history about BNF.
12433
124342002-10-22 Akim Demaille <akim@epita.fr>
12435
12436 * data/README: New.
12437
124382002-10-21 Paul Eggert <eggert@twinsun.com>
12439
12440 Be consistent about 'bool'; the old code used an enum in one
12441 module and an int in another, and this violates the C standard.
12442 * m4/stdbool.m4: New file, from coreutils 4.5.3.
12443 * configure.ac (AC_HEADER_STDBOOL): Add.
12444 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
12445 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
12446 * src/symtab.c (hash_compare_symbol_t): Likewise.
12447 * src/system.h (bool, false, true): Use a definition consistent
12448 with ../lib/hash.c. All uses changed.
12449
12450 * src/complain.c (warning_issued): Renamed from warn_message_count,
12451 so that we needn't worry about integer overflow (!).
12452 Now of type bool. All uses changed.
12453 (complaint_issued): Renamed from complain_message_count; likewise.
12454
12455 * src/main.c (main): Use exit to exit with failure.
12456
12457 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
12458 rather than 1 and 0.
12459 * src/main.c (main): Likewise.
12460 * src/getargs.c (getargs): Likewise.
12461 * src/reader.c (reader): Likewise.
12462
12463 * src/getarg.c (getargs): Remove duplicate code for
12464 "Try `bison --help'".
12465
12466 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
12467 What was that "2" for?
12468
12469 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
12470 * src/getargs.c (usage): Likewise.
12471
12472 * src/getargs.c (getargs): When there are too few operands, report
12473 the last one. When there are too many, report the first extra
12474 one. This is how diffutils does it.
12475
124762002-10-20 Paul Eggert <eggert@twinsun.com>
12477
12478 Remove K&R vestiges.
12479 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
12480 * src/complain.c (VA_START): Remove. Assume prototypes.
12481 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
12482 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
12483 fatal): Assume prototypes.
12484 * src/complain.h: Assume prototypes.
12485 * src/system.h (PARAMS): Remove.
12486 Include <limits.h> unconditionally, since it's guaranteeed even
12487 for a freestanding C89 compiler.
12488 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
12489 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
12490
124912002-10-20 Akim Demaille <akim@epita.fr>
12492
12493 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
12494 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
12495 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
12496 (yyresolveStates, yyresolveAction, yyresolveStack)
12497 (yyprocessOneStack): Use them.
12498 (yy_reduce_print): New.
12499 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
12500
125012002-10-20 Akim Demaille <akim@epita.fr>
12502
12503 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
12504 arguments and output `void'.
12505 (b4_c_function): Rename as...
12506 (b4_c_function_def): this.
12507 (b4_c_function_decl, b4_c_ansi_function_def)
12508 (b4_c_ansi_function_decl): New.
12509 Change the interpretation of the arguments: before `int, foo', now
12510 `int foo, foo'.
12511 * data/yacc.c (yyparse): Prototype and define thanks to these.
12512 Adjust b4_c_function_def uses.
12513 * data/glr.c (yyparse): Likewise, but ANSI only.
12514
125152002-10-20 Akim Demaille <akim@epita.fr>
12516
12517 * src/output.c (prepare): Move the definition of `tokens_number',
12518 `nterms_number', `undef_token_number', `user_token_number_max'
12519 to...
12520 (prepare_tokens): Here.
12521 (prepare_tokens): Rename as...
12522 (prepare_symbols): this.
12523 (prepare): Move the definition of `rules_number' to...
12524 (prepare_rules): here.
12525 (prepare): Move the definition of `last', `final_state_number',
12526 `states_number' to...
12527 (prepare_states): here.
12528 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
12529
125302002-10-20 Akim Demaille <akim@epita.fr>
12531
12532 * src/tables.h, src/tables.c, src/output.c: Comment changes.
12533
125342002-10-20 Akim Demaille <akim@epita.fr>
12535
12536 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
12537 * data/c.m4: here.
12538
125392002-10-20 Akim Demaille <akim@epita.fr>
12540
12541 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
12542 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
12543 `pair'.
12544 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
12545 `name' to...
12546 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
12547 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
12548 These.
12549
125502002-10-19 Paul Eggert <eggert@twinsun.com>
12551
12552 Do not create a temporary file, as that involves security and
12553 cleanup headaches. Instead, use a pair of pipes.
12554 Derived from a suggestion by Florian Krohm.
12555 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
12556 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
12557 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
12558 (BISON_PREREQ_SUBPIPE): Add.
12559 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
12560 Add subpipe.h, subpipe.c.
12561 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
12562 * po/POTFILES.in: Add lib/subpipe.c.
12563 * src/output.c: Include "subpipe.h".
12564 (m4_invoke): Remove decl.
12565 (scan_skel): New decl.
12566 (output_skeleton): Use pipe rather than temporary file for m4 input.
12567 Check that m4sugar.m4 is readable, to avoid deadlock.
12568 Check for pipe I/O error.
12569 * src/scan-skel.l (readpipe): Remove decl.
12570 (scan_skel): New function, to be used in place of m4_invoke.
12571 Read from stream rather than file.
12572
12573 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
12574 float, as this generates a warning on Solaris 8 + GCC 3.2 with
12575 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
12576 this generates a more-accurate value anyway.
12577
12578 * lib/timevar.c (timervar_accumulate): Rename locals to
12579 avoid confusion with similarly-named more-global.
12580 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
12581
12582 * src/output.c (prepare): Use xstrdup to convert char const *
12583 to char *, to avoid GCC warning.
12584
125852002-10-19 Akim Demaille <akim@epita.fr>
12586
12587 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
12588 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
12589 Use them to have `calc.y' ready for %pure-parser.
12590 * data/yacc.c (YYLEX): Pass a yylex return type to
12591 b4_c_function_call.
12592
125932002-10-19 Akim Demaille <akim@epita.fr>
12594
12595 Prototype support of %lex-param and %parse-param.
12596
12597 * src/parse-gram.y: Add the definition of the %lex-param and
12598 %parse-param tokens, plus their rules.
12599 Drop the `_' version of %glr-parser.
12600 Add the "," token.
12601 * src/scan-gram.l (INITIAL): Scan them.
12602 * src/muscle_tab.c: Comment changes.
12603 (muscle_insert, muscle_find): Rename `pair' as `probe'.
12604 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
12605 (muscle_entry_s): The `value' member is no longer const.
12606 Adjust all dependencies.
12607 * src/muscle_tab.c (muscle_init): Adjust: use
12608 MUSCLE_INSERT_STRING.
12609 Initialize the obstack earlier.
12610 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
12611 (muscle_pair_list_grow): New.
12612 * data/c.m4 (b4_c_function_call, b4_c_args): New.
12613 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
12614 * tests/calc.at: Use %locations, not --locations.
12615 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
12616
126172002-10-19 Akim Demaille <akim@epita.fr>
12618
12619 * src/getargs.c (usage): Take status as argument and exit
12620 accordingly.
12621 Report the traditional `Try ... --help' message when status != 0.
12622 (usage, version): Don't take a FILE * as arg, it is pointless.
12623 (getargs): When there is an incorrect number of arguments, make it
12624 an error, and report it GNUlically thanks to `usage ()'.
12625
126262002-10-18 Paul Eggert <eggert@twinsun.com>
12627
12628 * data/glr.c (yyreportParseError): Don't assume that sprintf
12629 yields the length of the printed string, as this is not true
12630 on SunOS 4.1.4. Reported by Peter Klein.
12631
12632 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
12633 * tests/conflicts.at (%nonassoc and eof): Likewise.
12634 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
12635
126362002-10-17 Akim Demaille <akim@epita.fr>
12637
12638 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
12639 * src/getargs.c (trace_types, trace_args): Adjust.
12640 * src/reader.c (grammar_current_rule_prec_set)
12641 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
12642 Standardize error messages.
12643 And s/@prec/%prec/!
12644 (reader): Use trace_flag to enable scanner/parser debugging,
12645 instead of an adhoc scheme.
12646 * src/scan-gram.l: Remove trailing debugging code.
12647
126482002-10-16 Paul Eggert <eggert@twinsun.com>
12649
12650 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
12651 MUSCLE_TAB_H.
12652
12653 * NEWS: Officially drop support for building Bison with K&R C,
12654 since it didn't work anyway and it's not worth worrying about.
12655 * Makefile.maint (wget_files): Remove ansi2knr.c.
12656 (ansi2knr.c-url_prefix): Remove.
12657 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
12658 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
12659 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
12660
126612002-10-15 Paul Eggert <eggert@twinsun.com>
12662
12663 Stop using the "enum_" trick for K&R-style function definitions;
12664 it confused me, and I was the author! Instead, assume that people
12665 who want to use K&R C compilers (when using these modules in GCC,
12666 perhaps?) will run ansi2knr.
12667
12668 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
12669 All uses of "enum_" changed to "enum ".
12670 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
12671 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
12672
12673 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
12674 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
12675 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
12676 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
12677 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
12678 abitset_not, abitset_ones, abitset_or, abitset_or_and,
12679 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
12680 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
12681 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
12682 Use function prototypes; this removes the need for declaring
12683 static functions simply to provide their prototypes.
12684 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
12685 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
12686 bitset_count_, bitset_create, bitset_dump, bitset_first,
12687 bitset_free, bitset_init, bitset_last, bitset_next,
12688 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
12689 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
12690 bitset_print, bitset_release_memory, bitset_toggle_,
12691 bitset_type_choose, bitset_type_get, bitset_type_name_get,
12692 debug_bitset): Likewise.
12693 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
12694 * lib/bitset_stats.c (bitset_log_histogram_print,
12695 bitset_percent_histogram_print, bitset_stats_and,
12696 bitset_stats_and_cmp, bitset_stats_and_or,
12697 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
12698 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
12699 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
12700 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
12701 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
12702 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
12703 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
12704 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
12705 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
12706 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
12707 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
12708 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
12709 bitset_stats_zero): Likewise.
12710 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
12711 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
12712 bitsetv_dump, debug_bitsetv): Likewise.
12713 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
12714 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
12715 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
12716 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
12717 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
12718 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
12719 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
12720 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
12721 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
12722 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
12723 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
12724 Likewise.
12725 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
12726 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
12727 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
12728 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
12729 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
12730 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
12731 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
12732 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
12733 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
12734 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
12735 lbitset_xor_cmp, lbitset_zero): Likewise.
12736
127372002-10-14 Akim Demaille <akim@epita.fr>
12738
12739 Version 1.75.
12740
127412002-10-14 Akim Demaille <akim@epita.fr>
12742
12743 * tests/Makefile.am (maintainer-check-posix): New.
12744
127452002-10-14 Akim Demaille <akim@epita.fr>
12746
12747 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
12748 member.
12749
127502002-10-14 Akim Demaille <akim@epita.fr>
12751
12752 * src/tables.c (table_ninf_remap): base -> tab.
12753 Reported by Matt Rosing.
12754
127552002-10-14 Paul Eggert <eggert@twinsun.com>
12756
12757 * tests/action.at, tests/calc.at, tests/conflicts.at,
12758 tests/cxx-type.at, tests/headers.at, tests/input.at,
12759 tests/regression.at, tests/synclines.at, tests/torture.at:
12760 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
12761 so that the tests still work even if POSIXLY_CORRECT is set.
12762 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
12763
12764 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
12765 for portability to K&R hosts. Fix typo: signed char is guaranteed
12766 only to 127, not to 128.
12767 * data/glr.c (yysigned_char): New type.
12768 * data/yacc.c (yysigned_char): Likewise.
12769 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
12770
127712002-10-13 Paul Eggert <eggert@twinsun.com>
12772
12773 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
12774 true due to limited range of data type" warning from GCC.
12775
12776 * data/c.m4 (b4_token_defines): Protect against double-inclusion
12777 by wrapping enum yytokentype's definition inside #ifndef
12778 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
12779
127802002-10-13 Akim Demaille <akim@epita.fr>
12781
12782 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
12783 Un yy- yyrhs to avoid the name clash with the global YYRHS.
12784
127852002-10-13 Akim Demaille <akim@epita.fr>
12786
12787 * Makefile.maint: Update from Autoconf 2.54.
12788 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
12789
127902002-10-13 Akim Demaille <akim@epita.fr>
12791
12792 * src/print.c (print_state): Separate the list of solved conflicts
12793 from the other items.
12794 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
12795
127962002-10-13 Akim Demaille <akim@epita.fr>
12797
12798 Let nondeterministic skeletons be usable with deterministic
12799 tables.
12800
12801 With the patch, GAWK compiled by GCC without -O2 passes its test
12802 suite using a GLR parser driven by LALR tables. It fails with -O2
12803 because `struct stat' gives two different answers on my machine:
12804 88 (definition of an auto var) and later 96 (memset on this var).
12805 Hence the stack is badly corrumpted. The headers inclusion is to
12806 blame: if I move the awk.h inclusion before GLR's system header
12807 inclusion, the two struct stat have the same size.
12808
12809 * src/tables.c (pack_table): Always create conflict_table.
12810 (token_actions): Always create conflict_list.
12811 * data/glr.c (YYFLAG): Remove, unused.
12812
128132002-10-13 Akim Demaille <akim@epita.fr>
12814
12815 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
12816 (O0FLAGS): New.
12817 (VALGRIND, GXX): New.
12818 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
12819 * tests/bison.in: Run $PREBISON a pre-command.
12820 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
12821 (maintainer-check-g++): New.
12822 * Makefile.am (maintainer-check): New.
12823
128242002-10-13 Akim Demaille <akim@epita.fr>
12825
12826 * data/glr.c: Formatting changes.
12827 Tweak some trace messages to match yacc.c's.
12828
128292002-10-13 Akim Demaille <akim@epita.fr>
12830
12831 GLR parsers sometimes raise parse errors instead of performing the
12832 default reduction.
12833 Reported by Charles-Henry de Boysson.
12834
12835 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
12836 check the length of the traces when %glr.
12837 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
12838 GLR's traces.
12839 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
12840 Test GLR parsers.
12841 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
12842 (yyltype): Remove the yy prefix from the member names.
12843 (yytable): Complete its comment.
12844 (yygetLRActions): Map error action number from YYTABLE from
12845 YYTABLE_NINF to 0.
12846 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
12847 (which was a bug: it should have been YYTABEL_NINF, and yet it was
12848 not satisfying as we could compare an YYACTION computed from
12849 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
12850 only value for error actions.
12851 (yyreportParseError): In verbose parse error messages, don't issue
12852 `error' in the list of expected tokens.
12853 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
12854 next action to perform to match glr.c's decoding.
12855 (yytable): Complete its comment.
12856
128572002-10-13 Paul Eggert <eggert@twinsun.com>
12858
12859 Fix problem reported by Henrik Grubbstroem in
12860 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
12861 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
12862 because the Bison parser reads the second action before reducing
12863 the first one.
12864 * src/scan-gram.l (rule_length): New static var.
12865 Use it to keep track of the rule length in the scanner, since
12866 we can't expect the parser to be in lock-step sync with the scanner.
12867 (handle_action_dollar, handle_action_at): Use this var.
12868 * tests/actions.at (Exotic Dollars): Test for the problem.
12869
128702002-10-12 Paul Eggert <eggert@twinsun.com>
12871
12872 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
12873 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
12874 Include <sys/time.h> when checking for clock_t and struct tms.
12875 Use same include order as source.
12876 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
12877 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
12878
12879 * lib/timevar.c: Update copyright date and clarify comments.
12880 (get_time) [IN_GCC]: Keep the GCC version for reference.
12881
12882 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
12883 GCC version as of today, then merge Bison's changes.
12884 Change "GCC" to "Bison" in copyright notice. timevar.def's
12885 author is Akim, so change that too.
12886
12887 * src/reader.c (grammar_current_rule_check):
12888 Don't worry about the default action if $$ is untyped.
12889 Prevents bogus warnings reported by Jim Gifford in
12890 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
12891
12892 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
12893 * data/glr.c, data/lalr1.cc, data/yacc.c:
12894 Output token definitions before the first part of user declarations.
12895 Fixes compatibility problem reported by Jim Gifford for kbd in
12896 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
12897
128982002-10-11 Paul Eggert <eggert@twinsun.com>
12899
12900 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
12901 (yyparse): here. This undoes some of the 2002-07-25 change.
12902 Compatibility problem reported by Ralf S. Engelschall with
12903 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
12904
129052002-10-11 Akim Demaille <akim@epita.fr>
12906
12907 * tests/regression.at Characters Escapes): New.
12908 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
12909 characters.
12910 Reported by Jan Nieuwenhuizen.
12911
129122002-10-11 Akim Demaille <akim@epita.fr>
12913
12914 * po/id.po: New.
12915
129162002-10-10 Paul Eggert <eggert@twinsun.com>
12917
12918 Portability fixes for bitsets; this also avoids several GCC
12919 warnings.
12920
12921 * lib/abitset.c: Include <stddef.h>, for offsetof.
12922 * lib/lbitset.c: Likewise.
12923
12924 * lib/abitset.c (abitset_bytes): Return a size that is aligned
12925 properly for vectors of objects. Do not assume that adding a
12926 header size to a multiple of a word size yields a value that is
12927 properly aligned for the whole union.
12928 * lib/bitsetv.c (bitsetv_alloc): Likewise.
12929
12930 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
12931 unique names for structures.
12932 * lib/ebitset.c (ebitset_bytes): Likewise.
12933 * lib/lbitset.c (lbitset_bytes): Likewise.
12934
12935 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
12936 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
12937 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
12938 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
12939 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
12940 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
12941 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
12942 to improve the type-checking that GCC can do.
12943 * lib/bitset.c (bitset_op4_cmp): Likewise.
12944 * lib/bitset_stats.c (bitset_stats_count,
12945 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
12946 bitset_stats_copy, bitset_stats_disjoint_p,
12947 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
12948 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
12949 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
12950 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
12951 bitset_stats_and_or_cmp, bitset_stats_andn_or,
12952 bitset_stats_andn_or_cmp, bitset_stats_or_and,
12953 bitset_stats_or_and_cmp): Likewise.
12954 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
12955 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
12956 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
12957 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
12958
12959 * lib/abitset.h: Include bitset.h, not bbitset.h.
12960 * lib/ebitset.h: Likewise.
12961 * lib/lbitset.h: Likewise.
12962
12963 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
12964 All instances of parameters of type enum bitset_opts are now of
12965 type enum_bitset_opts, to conform to the C Standard, and similarly
12966 for enum_bitset_type.
12967 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
12968 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
12969
12970 Do not use "struct bitset_struct" to mean different things in
12971 different modules. Not only is this confusing, it violates
12972 the C Standard, which requires that structure types in different
12973 modules must be compatible if one is to be passed to the other.
12974 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
12975 All instances of "struct bitset_struct *" replaced with "bitset".
12976 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
12977 (union bitset_union, struct abitset_struct, struct ebitset_struct,
12978 struct lbitset_struct, struct bitset_stats_struct): New types.
12979 All uses of struct bitset_struct changed to union bitset_union,
12980 etc.
12981 * lib/abitset.c (struct abitset_struct, abitset,
12982 struct bitset_struct): Remove.
12983 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
12984 struct bitset_struct): Remove.
12985 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
12986 bitset_struct): Remove.
12987 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
12988 Likewise.
12989
12990 Do not call a function of type T using a call that assumes the
12991 function is of a different type U. Standard C requires that a
12992 function must be called with a type that is compatible with its
12993 definition.
12994 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
12995 New decls.
12996 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
12997 New functions.
12998 * lib/ebitset.c (PFV): Remove.
12999 * lib/lbitset.c (PFV): Likewise.
13000 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
13001 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
13002 decls.
13003 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
13004 (ebitset_vtable): Use them.
13005 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
13006 lbitset_xor): New functions.
13007 (lbitset_vtable): Use them.
13008
13009 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
13010 Declare.
13011
13012 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
13013 GCC warning.
13014 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
13015 Use offsetof, for simplicity.
13016
130172002-10-06 Paul Eggert <eggert@twinsun.com>
13018
13019 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
13020 the same width as int. This reapplies a hunk of the 2002-08-12 patch
13021 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
13022 which was inadvertently undone by the 2002-09-30 patch.
13023 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
13024 the same width as int.
13025
130262002-10-04 Paul Eggert <eggert@twinsun.com>
13027
13028 Version 1.50.
13029
13030 * configure.ac (AC_INIT), NEWS: Increment version number.
13031
13032 * doc/bison.texinfo: Minor spelling, grammar, and white space
13033 fixes.
13034 (Symbols): Mention that any negative value returned from yylex
13035 signifies end-of-input. Warn about negative chars. Mention
13036 the portable Standard C character set.
13037
13038 The GNU coding standard says CFLAGS and YFLAGS are reserved
13039 for the installer to set.
13040 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
13041 * src/Makefile.am (AM_CFLAGS): Likewise.
13042 (AM_YFLAGS): Renamed from YFLAGS.
13043
13044 Fix some MAX and MIN problems.
13045 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
13046 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
13047 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
13048 * src/reader.c (reader): Use it.
13049
13050 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
13051 POSIX 1003.1-2001 has removed fgrep.
13052
130532002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13054
13055 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
13056 interpreted as signed.
13057 * lib/ebitset.c (ebitset_list): Fix bug.
13058
130592002-10-01 Paul Eggert <eggert@twinsun.com>
13060
13061 More fixes for 64-bit hosts and large bitsets.
13062
13063 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
13064 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
13065 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
13066 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
13067 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
13068 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
13069 bitset_count_): Likewise.
13070 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
13071 bitset_first, bitset_last): Likewise.
13072 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
13073 bitset_stats_list_reverse, bitset_stats_size,
13074 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
13075 Likewise.
13076 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
13077 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
13078 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
13079 bitsetv_reflexive_transitive_closure): Likewise.
13080 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
13081 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
13082 Likewise.
13083 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
13084 Likewise.
13085
13086 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
13087 Use size_t, not unsigned int, to count bytes.
13088 * lib/abitset.h (abitset_bytes): Likewise.
13089 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
13090 Likewise.
13091 * lib/bitset.h (bitset_bytes): Likewise.
13092 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
13093 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
13094 * lib/bitsetv.c (bitsetv_alloc): Likewise.
13095 * lib/ebitset.c (ebitset_bytes): Likewise.
13096 * lib/ebitset.h (ebitset_bytes): Likewise.
13097 * lib/lbitset.c (lbitset_bytes): Likewise.
13098 * lib/lbitset.h (lbitset_bytes): Likewise.
13099
13100 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
13101 abitset_subset_p, abitset_disjoint_p, abitset_and,
13102 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
13103 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
13104 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
13105 abitset_or_and, abitset_or_and_cmp):
13106 Use bitset_windex instead of unsigned int.
13107 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
13108 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
13109 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
13110 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
13111 Likewise.
13112 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
13113
13114 * lib/bitset.c (bitset_print):
13115 Use proper printf formats for widths of integer types.
13116 * lib/bitset_stats.c (bitset_percent_histogram_print,
13117 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
13118 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
13119 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
13120 * lib/lbitset.c (lbitset_bytes): Likewise.
13121
13122 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
13123 BITSET_SIZE_MAX): New macros.
13124 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
13125 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
13126 to BITSET_WINDEX_MAX.
13127
13128 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
13129 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
13130 since we now return the bitset_bindex type (not int).
13131
13132 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
13133 when computing sizes.
13134 * lib/ebitset.c (ebitset_elts_grow): Likewise.
13135
13136 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
13137 and avoid cast to unsigned.
13138
131392002-09-30 Akim Demaille <akim@epita.fr>
13140
13141 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
13142 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
13143 Updates from Michael Hayes.
13144
131452002-09-30 Art Haas <ahaas@neosoft.com>
13146
13147 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
13148 invocations.
13149 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
13150 defined.
13151
131522002-09-27 Akim Demaille <akim@epita.fr>
13153
13154 Version 1.49c.
13155
131562002-09-27 Akim Demaille <akim@epita.fr>
13157
13158 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
13159 (Because of AC_LIBSOURCE).
13160
131612002-09-27 Akim Demaille <akim@epita.fr>
13162
13163 Playing with Autoscan.
13164
13165 * configure.ac: Remove the old LIBOBJ tweaks.
13166 (AC_REPLACE_FUNCS): Add strrchr and strtol.
13167 * lib/strrchr.c: New.
13168 * lib/strtol.c: New, from the Coreutils 4.5.1.
13169
131702002-09-27 Akim Demaille <akim@epita.fr>
13171
13172 Playing with Autoscan.
13173
13174 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
13175 * lib/Makefile.am (libbison_a_SOURCES): No longer include
13176 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
13177 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
13178 Coreutils 4.5.1.
13179
131802002-09-24 Akim Demaille <akim@epita.fr>
13181
13182 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
13183 (Frequently Asked Questions, Parser Stack Overflow): New.
13184
131852002-09-13 Akim Demaille <akim@epita.fr>
13186
13187 Playing with autoscan.
13188
13189 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
13190 * src/files.c (skeleton_find): Remove, unused.
13191 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
13192 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
13193
131942002-09-13 Akim Demaille <akim@epita.fr>
13195
13196 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
13197 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
13198
131992002-09-13 Akim Demaille <akim@epita.fr>
13200
13201 * configure.ac: Require 2.54.
13202 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
13203 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
13204 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
13205 Remove, provided by Autoconf macros.
13206
132072002-09-12 Akim Demaille <akim@epita.fr>
13208
13209 * m4/prereq.m4: Update, from Coreutils 4.5.1.
13210
132112002-09-12 Akim Demaille <akim@epita.fr>
13212
13213 * m4/prereq.m4: Update, from Fileutils 4.1.5.
13214 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
13215 Reported by Martin Mokrejs.
13216
132172002-09-10 Akim Demaille <akim@epita.fr>
13218
13219 * src/parse-gram.y: Associate a human readable string to each
13220 token type.
13221 * tests/regression.at (Invalid inputs): Adjust.
13222
132232002-09-10 Gary V. Vaughan <gary@gnu.org>
13224
13225 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
13226 with an Autoconf-2.5x style configure.ac.
13227
132282002-09-06 Paul Eggert <eggert@twinsun.com>
13229
13230 * doc/bison.texinfo (Conditions): Make explicit that the GPL
13231 exception applies only to yacc.c. This is a modification of a
13232 patch originally suggested by Akim Demaille.
13233
132342002-09-06 Akim Demaille <akim@epita.fr>
13235
13236 * data/c.m4 (b4_copyright): Move the GPL exception comment from
13237 here to...
13238 * data/yacc.c: here.
13239
13240 * data/lalr1.cc (struct yyltype): Don't define it, since we use
13241 LocationType.
13242 (b4_ltype): Default to yy::Location from location.hh.
13243
132442002-09-04 Jim Meyering <jim@meyering.net>
13245
13246 * data/yacc.c: Guard the declaration of yytoknum also with
13247 `#ifdef YYPRINT', so it is declared only when used.
13248
132492002-09-04 Akim Demaille <akim@epita.fr>
13250
13251 * configure.in: Rename as...
13252 * configure.ac: this.
13253 Bump to 1.49c.
13254
132552002-09-04 Akim Demaille <akim@epita.fr>
13256
13257 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
13258 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
13259 translate maintainer only messages.
13260
132612002-08-12 Paul Eggert <eggert@twinsun.com>
13262
13263 Version 1.49b.
13264
13265 * Makefile.am (SUBDIRS): Remove intl.
13266 (DISTCLEANFILES): Remove.
13267 * NEWS: Mention that GNU M4 is now required. Clarify what is
13268 meant by "larger grammars". Mention the pt_BR translation.
13269 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
13270 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
13271 Bump version from 0.11.2 to 0.11.5.
13272 (BISON_PREREQ_STAGE): Remove.
13273 (AM_GNU_GETTEXT): Use external gettext.
13274 (AC_OUTPUT): Remove intl/Makefile.
13275
13276 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
13277
13278 * data/glr.c: Include string.h, for strlen.
13279 (yyreportParseError): Use size_t for yysize.
13280 (yy_yypstack): No longer nested inside yypstates, as nested
13281 functions are not portable. Do not assume size_t is the
13282 same width as int.
13283 (yypstates): Do not assume that ptrdiff_t is the same width
13284 as int, and similarly for yyposn and YYINDEX.
13285
13286 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
13287
13288 * lib/Makefile.am (INCLUDES): Do not include from the intl
13289 directory, which has been removed.
13290 * src/Makefile.am (INCLUDES): Likewise.
13291
13292 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
13293 (bitsets_sources, additional_bitsets_sources, timevars_sources):
13294 New vars.
13295
13296 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
13297 * tests/Makefile.am (EXTRA_DIST): Likewise.
13298
13299 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
13300 Do not assume that bitset_windex is the same width as unsigned.
13301
13302 * lib/abitset.c (abitset_unused_clear): Do not assume that
13303 bitset_word is the same width as int.
13304 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
13305 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
13306 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
13307 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
13308 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
13309
13310 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
13311 portability to one's complement hosts!).
13312 * lib/ebitset.c (ebitset_op1): Likewise.
13313 * lib/lbitset.c (lbitset_op1): Likewise.
13314
13315 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
13316 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
13317 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
13318 Sync with fileutils.
13319 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
13320 lib/gettext.h: Sync with diffutils.
13321
13322 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
13323 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
13324
13325 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
13326 PROTOTYPES to check for prototypes, and "defined __STDC__" to
13327 check for void *.
13328
13329 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
13330 size_t; the old version tried to do this but casted improperly.
13331 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
13332 (bitset_test): Now returns int, not unsigned long.
13333
13334 * lib/bitset_stats.c: Include "gettext.h".
13335 (_): New macro.
13336 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
13337 name locals "index", as it generates unnecessary warnings on some
13338 hosts that have an "index" function.
13339
13340 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
13341 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
13342 they need translation.
13343 * src/LR0.c (state_list_append, new_itemsets, get_state,
13344 append_states, generate_states): Likewise.
13345 * src/assoc.c (assoc_to_string): Likewise.
13346 * src/closure.c (print_closure, set_firsts, closure): Likewise.
13347 * src/gram.c (grammar_dump): Likewise.
13348 * src/injections.c (injections_compute): Likewise.
13349 * src/lalr.c (lookaheads_print): Likewise.
13350 * src/relation.c (relation_transpose): Likewise.
13351 * src/scan-gram.l: Likewise.
13352 * src/tables.c (table_grow, pack_vector): Likewise.
13353
13354 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
13355 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
13356 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
13357 * m4/mbstate_t.m4: Sync with fileutils.
13358 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
13359
13360 * po/LINGUAS: Add pt_BR.
13361 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
13362 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
13363 lib/timevar.c.
13364 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
13365 manual recommends.
13366 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
13367
13368 * src/complain.c (strerror_r): Remove decl; not needed.
13369 (strerror): Use same pattern as ../lib/error.c.
13370
13371 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
13372
13373 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
13374
13375 * src/main.c (main): Cast result of bindtextdomain and textdomain
13376 to void, to avoid a GCC warning when --disable-nls is in effect.
13377
13378 * src/scan-gram.l: Use strings rather than escapes when possible,
13379 to minimize the number of warnings from xgettext.
13380 (handle_action_dollar, handle_action_at): Don't use isdigit,
13381 as it mishandles negative chars and it may not work as expected
13382 outside the C locale.
13383
13384 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
13385 this is a GCC extension and is not portable to other compilers.
13386
13387 * src/system.h (alloca): Use same pattern as ../lib/error.c.
13388 Do not include <ctype.h>; no longer needed.
13389 Do not include <malloc.h>; no longer needed (and generates
13390 warnings on OpenBSD 3.0).
13391
13392 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
13393 it's not portable.
13394
13395 * tests/regression.at: Do not use 'cc -c input.c -o input';
13396 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
13397
13398 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
13399 exit status as failure, not just exit status 1. Sun C exits
13400 with status 2 sometimes.
13401
13402 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
13403 Use it for the two large tests.
13404
134052002-08-02 Akim Demaille <akim@epita.fr>
13406
13407 * src/conflicts.c (conflicts_output): Don't output rules never
13408 reduced here, since anyway that computation doesn't work.
13409 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
13410 (rule_useless_p, rule_never_reduced_p): New.
13411 (grammar_rules_partial_print): Use a filter instead of a range.
13412 Display the title only if needed.
13413 (grammar_rules_print): Adjust.
13414 (grammar_rules_never_reduced_report): New.
13415 * src/tables.c (action_row): Move the computation of rules never
13416 reduced to...
13417 (token_actions): here.
13418 * src/main.c (main): Make the parser before making the report, so
13419 that rules never reduced are computed.
13420 Call grammar_rules_never_reduced_report.
13421 * src/print.c (print_results): Report rules never reduced.
13422 * tests/conflicts.at, tests/reduce.at: Adjust.
13423
134242002-08-01 Akim Demaille <akim@epita.fr>
13425
13426 Instead of attaching lookaheads and duplicating the rules being
13427 reduced by a state, attach the lookaheads to the reductions.
13428
13429 * src/state.h (state_t): Remove the `lookaheads',
13430 `lookaheads_rule' member.
13431 (reductions_t): Add a `lookaheads' member.
13432 Use a regular array for the `rules'.
13433 * src/state.c (reductions_new): Initialize the lookaheads member
13434 to 0.
13435 (state_rule_lookaheads_print): Adjust.
13436 * src/state.h, src/state.c (state_reductions_find): New.
13437 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
13438 (count_rr_conflicts): Adjust.
13439 * src/lalr.c (LArule): Remove.
13440 (add_lookback_edge): Adjust.
13441 (state_lookaheads_count): New.
13442 (states_lookaheads_initialize): Merge into...
13443 (initialize_LA): this.
13444 (lalr_free): Adjust.
13445 * src/main.c (main): Don't free nullable and derives too early: it
13446 is used by --verbose.
13447 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
13448
134492002-08-01 Akim Demaille <akim@epita.fr>
13450
13451 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
13452 `rule_number_t**'.
13453 (set_derives, free_derives): Rename as...
13454 (derives_compute, derives_free): this.
13455 Adjust all dependencies.
13456 * src/nullable.c (set_nullable, free_nullable): Rename as...
13457 (nullable_compute, nullable_free): these.
13458 (rule_list_t): Store rule_t *, not rule_number_t.
13459 * src/state.c (state_rule_lookaheads_print): Directly compare rule
13460 pointers, instead of their numbers.
13461 * src/main.c (main): Call nullable_free, and derives_free earlier,
13462 as they were lo longer used.
13463
134642002-08-01 Akim Demaille <akim@epita.fr>
13465
13466 * lib/timevar.c (get_time): Include children time.
13467 * src/lalr.h (LA, LArule): Don't export them: used with the
13468 state_t.
13469 * src/lalr.c (LA, LArule): Static.
13470 * src/lalr.h, src/lalr.c (lalr_free): New.
13471 * src/main.c (main): Call it.
13472 * src/tables.c (pack_vector): Check whether loc is >= to the
13473 table_size, not >.
13474 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
13475 (tables_generate): do it, since that's also it which allocates
13476 them.
13477 Don't free LA and LArule, main does.
13478
134792002-07-31 Akim Demaille <akim@epita.fr>
13480
13481 Separate parser tables computation and output.
13482
13483 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
13484 (conflict_list, conflict_list_cnt, table, check, table_ninf)
13485 (yydefgoto, yydefact, high): Move to...
13486 * src/tables.h, src/tables.c: here.
13487 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
13488 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
13489 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
13490 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
13491 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
13492 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
13493 (action_row, save_row, token_actions, save_column, default_goto)
13494 (goto_actions, sort_actions, matching_state, pack_vector)
13495 (table_ninf_remap, pack_table, prepare_actions): Move to...
13496 * src/tables.c: here.
13497 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
13498 * src/output.c (token_actions, output_base, output_conflicts)
13499 (output_check): Merge into...
13500 (prepare_actions): this.
13501 (actions_output): Rename as...
13502 (user_actions_output): this.
13503 * src/main.c (main): Call tables_generate and tables_free.
13504
135052002-07-31 Akim Demaille <akim@epita.fr>
13506
13507 Steal GCC's --time-report support.
13508
13509 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
13510 stolen/adjusted from GCC.
13511 * m4/stage.m4: Remove time related checks.
13512 * m4/timevar.m4: New.
13513 * configure.in: Adjust.
13514 * src/system.h: Adjust to using timevar.h.
13515 * src/getargs.h, src/getargs.c: Support trace_time for
13516 --trace=time.
13517 * src/main.c (stage): Remove.
13518 (main): Replace `stage' invocations with timevar calls.
13519 * src/output.c: Insert pertinent timevar calls.
13520
135212002-07-31 Akim Demaille <akim@epita.fr>
13522
13523 Let --trace have arguments.
13524
13525 * src/getargs.h (enum trace_e): New.
13526 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
13527 (long_options, short_options): --trace/-T takes an optional
13528 argument.
13529 Change all the uses of trace_flag to reflect the new flags.
13530 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
13531
13532 Strengthen `stage' portability.
13533
13534 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
13535 * configure.in: Use it.
13536 Don't check for malloc.h and sys/times.h.
13537 * src/system.h: Include them when appropriate.
13538 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
13539 times and struct tms are available.
13540
135412002-07-30 Akim Demaille <akim@epita.fr>
13542
13543 In verbose parse error message, don't report `error' as an
13544 expected token.
13545 * tests/actions.at (Printers and Destructors): Adjust.
13546 * tests/calc.at (Calculator $1): Adjust.
13547 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
13548 error message, do not report the parser accepts the error token in
13549 that state.
13550
135512002-07-30 Akim Demaille <akim@epita.fr>
13552
13553 Normalize conflict related messages.
13554
13555 * src/complain.h, src/complain.c (warn, complain): New.
13556 * src/conflicts.c (conflicts_print): Use them.
13557 (conflict_report_yacc): New, extracted from...
13558 (conflicts_print): here.
13559 * tests/conflicts.at, tests/existing.at: Adjust.
13560
135612002-07-30 Akim Demaille <akim@epita.fr>
13562
13563 Report rules which are never reduced by the parser: those hidden
13564 by conflicts.
13565
13566 * src/LR0.c (save_reductions): Don't make the final state too
13567 different: save its reduction (accept) instead of having a state
13568 without any action (no shift or goto, no reduce).
13569 Note: the final state is now a ``regular'' state, i.e., the
13570 parsers now contain `reduce 0' as default reduction.
13571 Nevertheless, since they decide to `accept' when yystate =
13572 final_state, they still will not reduce rule 0.
13573 * src/print.c (print_actions, print_reduction): Adjust.
13574 * src/output.c (action_row): Track reduced rules.
13575 (token_actions): Report rules never reduced.
13576 * tests/conflicts.at, tests/regression.at: Adjust.
13577
135782002-07-30 Akim Demaille <akim@epita.fr>
13579
13580 `stage' was accidently included in a previous patch.
13581 Initiate its autoconfiscation.
13582
13583 * configure.in: Look for malloc.h and sys/times.h.
13584 * src/main.c (stage): Adjust.
13585 Report only when trace_flag.
13586
135872002-07-29 Akim Demaille <akim@epita.fr>
13588
13589 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
13590 state_number_t.
13591 (errs_t): symbol_t*, not symbol_number_t.
13592 (reductions_t): rule_t*, not rule_number_t.
13593 (FOR_EACH_SHIFT): New.
13594 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
13595 * src/print.c, src/print_graph.c: Adjust.
13596
135972002-07-29 Akim Demaille <akim@epita.fr>
13598
13599 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
13600
13601 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
13602 (endtoken, accept): these.
13603 * src/reader.c (reader): Set endtoken's default tag to "$end".
13604 Set undeftoken's tag to "$undefined" instead of "$undefined.".
13605 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
13606 Adjust.
13607
136082002-07-29 Akim Demaille <akim@epita.fr>
13609
13610 * src/reduce.c (reduce_grammar): When the language is empty,
13611 complain about the start symbol, not the axiom.
13612 Use its location.
13613 * tests/reduce.at (Empty Language): New.
13614
136152002-07-26 Akim Demaille <akim@epita.fr>
13616
13617 * src/reader.h, src/reader.c (gram_error): ... can't get
13618 yycontrol without making too strong assumptions on the parser
13619 itself.
13620 * src/output.c (prepare_tokens): Use the real 0th value of
13621 token_translations instead of `0'.
13622 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
13623 visible here.
13624 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
13625 for the time being: %locations ought to provide it to yyerror.
13626
136272002-07-25 Akim Demaille <akim@epita.fr>
13628
13629 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
13630 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
13631 * tests/regression.at (Web2c Actions): Adjust.
13632
136332002-07-25 Akim Demaille <akim@epita.fr>
13634
13635 Stop storing rules from 1 to nrules + 1.
13636
13637 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
13638 * src/nullable.c, src/output.c, src/print.c, src/reader.c
13639 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
13640 Iterate from 0 to nrules.
13641 Use rule_number_as_item_number and item_number_as_rule_number.
13642 Adjust to `derive' now containing possibly 0.
13643 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
13644 Handle the `- 1' part in rule numbers from/to item numbers.
13645 * src/conflicts.c (log_resolution): Fix the message which reversed
13646 shift and reduce.
13647 * src/output.c (action_row): Initialize default_rule to -1.
13648 (token_actions): Adjust.
13649 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
13650 expected output.
13651 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
13652
136532002-07-25 Akim Demaille <akim@epita.fr>
13654
13655 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
13656 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
13657 (b4_c_knr_arg_decl): New.
13658 * data/yacc.c: Use it to define yysymprint, yydestruct, and
13659 yyreport_parse_error.
13660
136612002-07-25 Akim Demaille <akim@epita.fr>
13662
13663 * data/yacc.c (yyreport_parse_error): New, extracted from...
13664 (yyparse): here.
13665 (yydestruct, yysymprint): Move above yyparse.
13666 Be K&R compliant.
13667
136682002-07-25 Akim Demaille <akim@epita.fr>
13669
13670 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
13671 replace...
13672 (b4_sint_type, b4_uint_type): these.
13673 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
13674 * tests/regression.at (Web2c Actions): Adjust.
13675
136762002-07-25 Akim Demaille <akim@epita.fr>
13677
13678 * src/gram.h (TIEM_NUMBER_MAX): New.
13679 (item_number_of_rule_number, rule_number_of_item_number): Rename
13680 as...
13681 (rule_number_as_item_number, item_number_as_rule_number): these.
13682 Adjust dependencies.
13683 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
13684 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
13685 (symbol_number_to_vector_number): New.
13686 (order): Of vector_number_t* type.
13687 (base_t, BASE_MAX, BASE_MIN): New.
13688 (froms, tos, width, pos, check): Of base_t type.
13689 (action_number_t, ACTION_MIN, ACTION_MAX): New.
13690 (actrow): Of action_number_t type.
13691 (conflrow): Of unsigned int type.
13692 (table_ninf, base_ninf): New.
13693 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
13694 (muscle_insert_int_table, muscle_insert_base_table)
13695 (muscle_insert_rule_number_table): New.
13696 (prepare_tokens): Output `toknum' as int_table.
13697 (action_row): Returns a rule_number_t.
13698 Use ACTION_MIN, not SHRT_MIN.
13699 (token_actions): yydefact is rule_number_t*.
13700 (table_ninf_remap): New.
13701 (pack_table): Use it for `base' and `table'.
13702 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
13703 replaced with...
13704 (YYPACT_NINF, YYTABLE_NINF): these.
13705 (yypact, yytable): Compute their types instead of hard-coded
13706 `short'.
13707 * tests/regression.at (Web2c Actions): Adjust.
13708
137092002-07-19 Akim Demaille <akim@epita.fr>
13710
13711 * src/scan-gram.l (id): Can start with an underscore.
13712
137132002-07-16 Akim Demaille <akim@epita.fr>
13714
13715 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
13716 Adjust all former `associativity' dependencies.
13717 * src/symtab.c (symbol_new): Default associativity is `undef', not
13718 `right'.
13719 (symbol_check_alias_consistence): Adjust.
13720
137212002-07-09 Akim Demaille <akim@epita.fr>
13722
13723 * doc/bison.texinfo: Properly set the ``header'' part.
13724 Use @dircategory ``GNU programming tools'' as per Texinfo's
13725 documentation.
13726 Use @copying.
13727
137282002-07-09 Akim Demaille <akim@epita.fr>
13729
13730 * lib/quotearg.h: Protect against multiple inclusions.
13731 * src/location.h (location_t): Add a `file' member.
13732 (LOCATION_RESET, LOCATION_PRINT): Adjust.
13733 * src/complain.c (warn_at, complain_at, fatal_at): Drop
13734 `error_one_per_line' support.
13735
137362002-07-09 Akim Demaille <akim@epita.fr>
13737
13738 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
13739 * src/reader.c (lineno): Remove.
13740 Adjust all dependencies.
13741 (get_merge_function): Take a location and use complain_at.
13742 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
13743 * tests/regression.at (Invalid inputs, Mixing %token styles):
13744 Adjust.
13745
137462002-07-09 Akim Demaille <akim@epita.fr>
13747
13748 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
13749 recovery rule, and forbid extensions when --yacc.
13750 (gram_error): Use complain_at.
13751 * src/reader.c (reader): Exit if there were parse errors.
13752
137532002-07-09 Akim Demaille <akim@epita.fr>
13754
13755 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
13756 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
13757 Reported by R Blake <blakers@mac.com>.
13758
137592002-07-09 Akim Demaille <akim@epita.fr>
13760
13761 * data/yacc.c: Output the copyright notive in the header.
13762
137632002-07-03 Akim Demaille <akim@epita.fr>
13764
13765 * src/output.c (froms, tos): Are state_number_t.
13766 (save_column): sp, sp1, and sp2 are state_number_t.
13767 (prepare): Rename `final' as `final_state_number', `nnts' as
13768 `nterms_number', `nrules' as `rules_number', `nstates' as
13769 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
13770 unused.
13771 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
13772 * data/lalr1.cc (nsym_): Remove, unused.
13773
137742002-07-03 Akim Demaille <akim@epita.fr>
13775
13776 * src/lalr.h, src/lalr.c (goto_number_t): New.
13777 * src/lalr.c (goto_list_t): New.
13778 Propagate them.
13779 * src/nullable.c (rule_list_t): New.
13780 Propagate.
13781 * src/types.h: Remove.
13782
137832002-07-03 Akim Demaille <akim@epita.fr>
13784
13785 * src/closure.c (print_fderives): Use rule_rhs_print.
13786 * src/derives.c (print_derives): Use rule_rhs_print.
13787 (rule_list_t): New, replaces `shorts'.
13788 (set_derives): Add comments.
13789 * tests/sets.at (Nullable, Firsts): Adjust.
13790
137912002-07-03 Akim Demaille <akim@epita.fr>
13792
13793 * src/output.c (prepare_actions): Free `tally' and `width'.
13794 (prepare_actions): Allocate and free `order'.
13795 * src/symtab.c (symbols_free): Free `symbols'.
13796 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
13797 * src/output.c (m4_invoke): Move to...
13798 * src/scan-skel.l: here.
13799 (<<EOF>>): Close yyout, and free its name.
13800
138012002-07-03 Akim Demaille <akim@epita.fr>
13802
13803 Fix some memory leaks, and fix a bug: state 0 was examined twice.
13804
13805 * src/LR0.c (new_state): Merge into...
13806 (state_list_append): this.
13807 (new_states): Merge into...
13808 (generate_states): here.
13809 (set_states): Don't ensure a proper `errs' state member here, do it...
13810 * src/conflicts.c (conflicts_solve): here.
13811 * src/state.h, src/state.c: Comment changes.
13812 (state_t): Rename member `shifts' as `transitions'.
13813 Adjust all dependencies.
13814 (errs_new): For consistency, also take the values as argument.
13815 (errs_dup): Remove.
13816 (state_errs_set): New.
13817 (state_reductions_set, state_transitions_set): Assert that no
13818 previous value was assigned.
13819 (state_free): New.
13820 (states_free): Use it.
13821 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
13822 temporary storage: use `errs' and `nerrs' as elsewhere.
13823 (set_conflicts): Allocate and free this `errs'.
13824
138252002-07-02 Akim Demaille <akim@epita.fr>
13826
13827 * lib/libiberty.h: New.
13828 * lib: Update the bitset implementation from upstream.
13829 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
13830 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
13831 * src/main.c: Adjust bitset stats calls.
13832
138332002-07-01 Paul Eggert <eggert@twinsun.com>
13834
13835 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
13836 char, so that negative chars don't collide with $.
13837
138382002-06-30 Akim Demaille <akim@epita.fr>
13839
13840 Have the GLR tests be `warning' checked, and fix the warnings.
13841
13842 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
13843 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
13844 (yyremoveDeletes): `yyi' and `yyj' are size_t.
13845 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
13846 (yyaddDeferredAction): static.
13847 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
13848 (yyreportParseError): yyprefix is const.
13849 yytokenp is used only when verbose.
13850 (yy__GNUC__): Replace with __GNUC__.
13851 (yypdumpstack): yyi is size_t.
13852 (yypreference): Un-yy local variables and arguments, to avoid
13853 clashes with `yyr1'. Anyway, we are not in the user name space.
13854 (yytname_size): be an int, as is compared with ints.
13855 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
13856 Use them.
13857 * tests/cxx-gram.at: Use quotation to protect $1.
13858 Use AT_COMPILE to enable warnings hunts.
13859 Prototype yylex and yyerror.
13860 `Use' argc.
13861 Include `string.h', not `strings.h'.
13862 Produce and prototype stmtMerge only when used.
13863 yylex takes a location.
13864
138652002-06-30 Akim Demaille <akim@epita.fr>
13866
13867 We spend a lot of time in quotearg, in particular when --verbose.
13868
13869 * src/symtab.c (symbol_get): Store a quoted version of the key.
13870 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
13871 Adjust all callers.
13872
138732002-06-30 Akim Demaille <akim@epita.fr>
13874
13875 * src/state.h (reductions_t): Rename member `nreds' as num.
13876 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
13877 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
13878
138792002-06-30 Akim Demaille <akim@epita.fr>
13880
13881 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
13882 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
13883 (shifts_to): Rename as...
13884 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
13885 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
13886 (TRANSITION_IS_DISABLED, transitions_to): these.
13887
138882002-06-30 Akim Demaille <akim@epita.fr>
13889
13890 * src/print.c (print_shifts, print_gotos): Merge into...
13891 (print_transitions): this.
13892 (print_transitions, print_errs, print_reductions): Align the
13893 lookaheads columns.
13894 (print_core, print_transitions, print_errs, print_state,
13895 print_grammar): Output empty lines separator before, not after.
13896 (state_default_rule_compute): Rename as...
13897 (state_default_rule): this.
13898 * tests/conflicts.at (Defaulted Conflicted Reduction),
13899 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
13900 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
13901
139022002-06-30 Akim Demaille <akim@epita.fr>
13903
13904 Display items as we display rules.
13905
13906 * src/gram.h, src/gram.c (rule_lhs_print): New.
13907 * src/gram.c (grammar_rules_partial_print): Use it.
13908 * src/print.c (print_core): Likewise.
13909 * tests/conflicts.at (Defaulted Conflicted Reduction),
13910 (Unresolved SR Conflicts): Adjust.
13911 (Unresolved SR Conflicts): Adjust and rename as...
13912 (Resolved SR Conflicts): this, as was meant.
13913 * tests/regression.at (Web2c Report): Adjust.
13914
139152002-06-30 Akim Demaille <akim@epita.fr>
13916
13917 * src/print.c (state_default_rule_compute): New, extracted from...
13918 (print_reductions): here.
13919 Pessimize, but clarify the code.
13920 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
13921
139222002-06-30 Akim Demaille <akim@epita.fr>
13923
13924 * src/output.c (action_row): Let default_rule be always a rule
13925 number.
13926
139272002-06-30 Akim Demaille <akim@epita.fr>
13928
13929 * src/closure.c (print_firsts, print_fderives, closure):
13930 Use BITSET_EXECUTE.
13931 * src/lalr.c (lookaheads_print): Likewise.
13932 * src/state.c (state_rule_lookaheads_print): Likewise.
13933 * src/print_graph.c (print_core): Likewise.
13934 * src/print.c (print_reductions): Likewise.
13935 * src/output.c (action_row): Likewise.
13936 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
13937
139382002-06-30 Akim Demaille <akim@epita.fr>
13939
13940 * src/print_graph.c: Use report_flag.
13941
139422002-06-30 Akim Demaille <akim@epita.fr>
13943
13944 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
13945 to...
13946 * src/relation.h, src/relation.c (traverse, relation_digraph)
13947 (relation_print, relation_transpose): New.
13948
139492002-06-30 Akim Demaille <akim@epita.fr>
13950
13951 * src/state.h, src/state.c (shifts_to): New.
13952 * src/lalr.c (build_relations): Use it.
13953
139542002-06-30 Akim Demaille <akim@epita.fr>
13955
13956 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
13957 (item_number_of_rule_number, rule_number_of_item_number): New.
13958 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
13959 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
13960 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
13961 Propagate their use.
13962 Much remains to be done, in particular wrt `shorts' from types.h.
13963
139642002-06-30 Akim Demaille <akim@epita.fr>
13965
13966 * src/symtab.c (symbol_new): Initialize the `printer' member.
13967
139682002-06-30 Akim Demaille <akim@epita.fr>
13969
13970 * src/LR0.c (save_reductions): Remove, replaced by...
13971 * src/state.h, src/state.c (state_reductions_set): New.
13972 (reductions, errs): Rename as...
13973 (reductions_t, errs_t): these.
13974 Adjust all dependencies.
13975
139762002-06-30 Akim Demaille <akim@epita.fr>
13977
13978 * src/LR0.c (state_list_t, state_list_append): New.
13979 (first_state, last_state): Now symbol_list_t.
13980 (this_state): Remove.
13981 (new_itemsets, append_states, save_reductions): Take a state_t as
13982 argument.
13983 (set_states, generate_states): Adjust.
13984 (save_shifts): Remove, replaced by...
13985 * src/state.h, src/state.c (state_shifts_set): New.
13986 (shifts): Rename as...
13987 (shifts_t): this.
13988 Adjust all dependencies.
13989 * src/state.h (state_t): Remove the `next' member.
13990
139912002-06-30 Akim Demaille <akim@epita.fr>
13992
13993 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
13994 escaped in slot 0.
13995
139962002-06-30 Akim Demaille <akim@epita.fr>
13997
13998 Use hash.h for the state hash table.
13999
14000 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
14001 (allocate_storage): Use state_hash_new.
14002 (free_storage): Use state_hash_free.
14003 (new_state, get_state): Adjust.
14004 * src/lalr.h, src/lalr.c (states): Move to...
14005 * src/states.h (state_t): Remove the `link' member, no longer
14006 used.
14007 * src/states.h, src/states.c: here.
14008 (state_hash_new, state_hash_free, state_hash_lookup)
14009 (state_hash_insert, states_free): New.
14010 * src/states.c (state_table, state_compare, state_hash): New.
14011 * src/output.c (output_actions): Do not free states now, since we
14012 still need to know the final_state number in `prepare', called
14013 afterwards. Do it...
14014 * src/main.c (main): here: call states_free after `output'.
14015
140162002-06-30 Akim Demaille <akim@epita.fr>
14017
14018 * src/state.h, src/state.c (state_new): New, extracted from...
14019 * src/LR0.c (new_state): here.
14020 * src/state.h (STATE_ALLOC): Move to...
14021 * src/state.c: here.
14022 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
14023 * src/state.h, src/state.c: here.
14024
140252002-06-30 Akim Demaille <akim@epita.fr>
14026
14027 * src/reader.c (gensym): Rename as...
14028 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
14029 (getsym): Rename as...
14030 (symbol_get): this.
14031
140322002-06-30 Akim Demaille <akim@epita.fr>
14033
14034 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
14035 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
14036 * src/output.c, src/print.c, src/print_graph.c: Propagate.
14037 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
14038
140392002-06-30 Akim Demaille <akim@epita.fr>
14040
14041 Make the test suite pass with warnings checked.
14042
14043 * tests/actions.at (Printers and Destructors): Improve.
14044 Avoid unsigned vs. signed issues.
14045 * tests/calc.at: Don't exercise the scanner here, do it...
14046 * tests/input.at (Torturing the Scanner): here.
14047
140482002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14049
14050 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
14051 reorganize first lines parallel to yacc.c.
14052
140532002-06-28 Akim Demaille <akim@epita.fr>
14054
14055 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
14056 (b4_token_enum, b4_token_defines): New, factored from...
14057 * data/lalr1.cc, data/yacc.c, glr.c: here.
14058
140592002-06-28 Akim Demaille <akim@epita.fr>
14060
14061 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
14062 unused variables.
14063 * src/output.c (merger_output): static.
14064
140652002-06-28 Akim Demaille <akim@epita.fr>
14066
14067 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
14068 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
14069 pacify GCC.
14070 * src/output.c (save_row): Initialize all the variables to pacify GCC.
14071
140722002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14073
14074 Accumulated changelog for new GLR parsing features.
14075
14076 * src/conflicts.c (count_total_conflicts): Change name to
14077 conflicts_total_count.
14078 * src/conflicts.h: Ditto.
14079 * src/output.c (token_actions): Use the new name.
14080 (output_conflicts): Change conflp => conflict_list_heads, and
14081 confl => conflict_list for better readability.
14082 * data/glr.c: Use the new names.
14083 * NEWS: Add self to GLR announcement.
14084
14085 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
14086
14087 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
14088 Akim Demaille.
14089
14090 * data/bison.glr: Change name to glr.c
14091 * data/glr.c: Renamed from bison.glr.
14092 * data/Makefile.am: Add glr.c
14093
14094 * src/getargs.c:
14095
14096 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
14097 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
14098
14099 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14100
14101 * data/bison.glr: Be sure to restore the
14102 current #line when returning to the skeleton contents after having
14103 exposed the input file's #line.
14104
14105 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14106
14107 * data/bison.glr: Bring up to date with changes to bison.simple.
14108
14109 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14110
14111 * data/bison.glr: Correct definitions that use b4_prefix.
14112 Various reformatting.
14113 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
14114 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
14115 yytokenp argument; now part of stack.
14116 (yychar): Define to behave as documented.
14117 (yyclearin): Ditto.
14118
14119 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14120
14121 * src/reader.h: Add declaration for free_merger_functions.
14122
14123 * src/reader.c (merge_functions): New variable.
14124 (get_merge_function): New function.
14125 (free_merger_functions): New function.
14126 (readgram): Check for %prec that is not followed by a symbol.
14127 Handle %dprec and %merge declarations.
14128 (packgram): Initialize dprec and merger fields in rules array.
14129
14130 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
14131 conflict_list_cnt, conflict_list_free): New variables.
14132 (table_grow): Also grow conflict_table.
14133 (prepare_rules): Output dprec and merger tables.
14134 (conflict_row): New function.
14135 (action_row): Output conflict lists for GLR parser. Don't use
14136 default reduction in conflicted states for GLR parser so that there
14137 are spaces for the conflict lists.
14138 (save_row): Also save conflict information.
14139 (token_actions): Allocate conflict list.
14140 (merger_output): New function.
14141 (pack_vector): Pack conflict table, too.
14142 (output_conflicts): New function to output yyconflp and yyconfl.
14143 (output_check): Allocate conflict_tos.
14144 (output_actions): Output conflict tables, also.
14145 (output_skeleton): Output b4_mergers definition.
14146 (prepare): Output b4_max_rhs_length definition.
14147 Use 'bison.glr' as default skeleton for GLR parsers.
14148
14149 * src/gram.c (glr_parser): New flag.
14150 (grammar_free): Call free_merger_functions.
14151
14152 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
14153 all pairs of conflicting reductions, rather than just all tokens
14154 causing conflicts. Needed to size conflict tables.
14155 (conflicts_output): Modify call to count_rr_conflicts for new
14156 interface.
14157 (conflicts_print): Ditto.
14158 (count_total_conflicts): New function.
14159
14160 * src/reader.h (merger_list): New type.
14161 (merge_functions): New variable.
14162
14163 * src/lex.h (tok_dprec, tok_merge): New token types.
14164
14165 * src/gram.h (rule_s): Add dprec and merger fields.
14166 (glr_parser): New flag.
14167
14168 * src/conflicts.h (count_total_conflicts): New function.
14169
14170 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
14171
14172 * doc/bison.texinfo (Generalized LR Parsing): New section.
14173 (GLR Parsers): New section.
14174 (Language and Grammar): Mention GLR parsing.
14175 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
14176 Correct typo ("tge" -> "the").
14177
14178 * data/bison.glr: New skeleton for GLR parsing.
14179
14180 * tests/cxx-gram.at: New tests for GLR parsing.
14181
14182 * tests/testsuite.at: Include cxx-gram.at.
14183
14184 * tests/Makefile.am: Add cxx-gram.at.
14185
14186 * src/parse-gram.y:
14187
14188 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
14189
14190 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
14191
141922002-06-27 Akim Demaille <akim@epita.fr>
14193
14194 * src/options.h, src/options.c: Remove.
14195 * src/getargs.c (short_options, long_options): New.
14196
141972002-06-27 Akim Demaille <akim@epita.fr>
14198
14199 * data/bison.simple, data/bison.c++: Rename as...
14200 * data/yacc.c, data/lalr1.cc: these.
14201 * doc/bison.texinfo (Environment Variables): Remove.
14202
142032002-06-25 Raja R Harinath <harinath@cs.umn.edu>
14204
14205 * src/getargs.c (report_argmatch): Initialize strtok().
14206
142072002-06-20 Akim Demaille <akim@epita.fr>
14208
14209 * data/bison.simple (b4_symbol_actions): New, replaces...
14210 (b4_symbol_destructor, b4_symbol_printer): these.
14211 (yysymprint): Be sure to call YYPRINT only for tokens, and using
14212 user token numbers.
14213
142142002-06-20 Akim Demaille <akim@epita.fr>
14215
14216 * data/bison.simple (yydestructor): Rename as...
14217 (yydestruct): this.
14218
142192002-06-20 Akim Demaille <akim@epita.fr>
14220
14221 * src/symtab.h, src/symtab.c (symbol_type_set)
14222 (symbol_destructor_set, symbol_precedence_set): The location is
14223 the last argument.
14224 Adjust all callers.
14225
142262002-06-20 Akim Demaille <akim@epita.fr>
14227
14228 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
14229 internals.
14230 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
14231 Takes a location.
14232 * src/symtab.h, src/symtab.c (symbol_class_set)
14233 (symbol_user_token_number_set): Likewise.
14234 Adjust all callers.
14235 Promote complain_at.
14236 * tests/input.at (Type Clashes): Adjust.
14237
142382002-06-20 Akim Demaille <akim@epita.fr>
14239
14240 * data/bison.simple (YYLEX): Fix the declaration when
14241 %pure-parser.
14242
142432002-06-20 Akim Demaille <akim@epita.fr>
14244
14245 * data/bison.simple (yysymprint): Don't print the token number,
14246 just its name.
14247 * tests/actions.at (Destructors): Rename as...
14248 (Printers and Destructors): this.
14249 Also exercise %printer.
14250
142512002-06-20 Akim Demaille <akim@epita.fr>
14252
14253 * data/bison.simple (YYDSYMPRINT): New.
14254 Use it to remove many of the #if YYDEBUG/if (yydebug).
14255
142562002-06-20 Akim Demaille <akim@epita.fr>
14257
14258 * src/symtab.h, src/symtab.c (symbol_t): printer and
14259 printer_location are new members.
14260 (symbol_printer_set): New.
14261 * src/parse-gram.y (PERCENT_PRINTER): New token.
14262 Handle its associated rule.
14263 * src/scan-gram.l: Adjust.
14264 (handle_destructor_at, handle_destructor_dollar): Rename as...
14265 (handle_symbol_code_at, handle_symbol_code_dollar): these.
14266 * src/output.c (symbol_printers_output): New.
14267 (output_skeleton): Call it.
14268 * data/bison.simple (yysymprint): New. Cannot be named yyprint
14269 since there are already many grammar files with a user `yyprint'.
14270 Replace the calls to YYPRINT to calls to yysymprint.
14271 * tests/calc.at: Adjust.
14272 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
14273 taking advantage of parser very internal details (stack size!).
14274
142752002-06-20 Akim Demaille <akim@epita.fr>
14276
14277 * src/scan-gram.l: Complete the scanner with the missing patterns
14278 to pacify Flex.
14279 Use `quote' and `symbol_tag_get' where appropriate.
14280
142812002-06-19 Akim Demaille <akim@epita.fr>
14282
14283 * tests/actions.at (Destructors): Augment to test locations.
14284 * data/bison.simple (yydestructor): Pass it the current location
14285 if locations are enabled.
14286 Prototype only when __STDC__ or C++.
14287 Change the argument names to move into the yy name space: there is
14288 user code here.
14289
142902002-06-19 Akim Demaille <akim@epita.fr>
14291
14292 * data/bison.simple (b4_pure_if): New.
14293 Use it instead of #ifdef YYPURE.
14294
142952002-06-19 Akim Demaille <akim@epita.fr>
14296
14297 * data/bison.simple (b4_location_if): New.
14298 Use it instead of #ifdef YYLSP_NEEDED.
14299
143002002-06-19 Akim Demaille <akim@epita.fr>
14301
14302 Prepare @$ in %destructor, but currently don't bind it in the
14303 skeleton, as %location use is not cleaned up yet.
14304
14305 * src/scan-gram.l (handle_dollar, handle_destructor_at)
14306 (handle_action_at): New.
14307 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
14308 a braced_code_t and a location as additional arguments.
14309 (handle_destructor_dollar): Instead of requiring `b4_eval', just
14310 unquote one when outputting `b4_dollar_dollar'.
14311 Adjust callers.
14312 * data/bison.simple (b4_eval): Remove.
14313 (b4_symbol_destructor): Adjust.
14314 * tests/input.at (Invalid @n): Adjust.
14315
143162002-06-19 Zack Weinberg <zack@codesourcery.com>
14317
14318 * doc/bison.texinfo: Document ability to have multiple
14319 prologue sections.
14320
143212002-06-18 Akim Demaille <akim@epita.fr>
14322
14323 * src/files.c (compute_base_names): When computing the output file
14324 names from the input file name, strip the directory part.
14325
143262002-06-18 Akim Demaille <akim@epita.fr>
14327
14328 * data/bison.simple.new: Comment changes.
14329 Reported by Andreas Schwab.
14330
143312002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
14332
14333 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
14334 there are no `label `yyoverflowlab' defined but not used' warnings
14335 when yyoverflow is defined.
14336
143372002-06-18 Akim Demaille <akim@epita.fr>
14338
14339 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
14340 new member.
14341 (symbol_destructor_set): Adjust.
14342 * src/output.c (symbol_destructors_output): Output the destructor
14343 locations.
14344 Output the symbol name.
14345 * data/bison.simple (b4_symbol_destructor): Adjust.
14346
143472002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
14348 and Akim Demaille <akim@epita.fr>
14349
14350 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
14351 what's left on the stack when the error recovery hits EOF.
14352 * tests/actions.at (Destructors): Complete to exercise this case.
14353
143542002-06-17 Akim Demaille <akim@epita.fr>
14355
14356 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
14357 arguments is really empty, not only equal to `[]'.
14358 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
14359 member.
14360 (symbol_destructor_set): New.
14361 * src/output.c (symbol_destructors_output): New.
14362 * src/reader.h (brace_code_t, current_braced_code): New.
14363 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
14364 (handle_dollar): Rename as...
14365 (handle_action_dollar): this.
14366 (handle_destructor_dollar): New.
14367 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
14368 (grammar_declaration): Use it.
14369 * data/bison.simple (yystos): Is always defined.
14370 (yydestructor): New.
14371 * tests/actions.at (Destructors): New.
14372 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
14373
143742002-06-17 Akim Demaille <akim@epita.fr>
14375
14376 * src/symlist.h, src/symlist.c (symbol_list_length): New.
14377 * src/scan-gram.l (handle_dollar, handle_at): Compute the
14378 rule_length only when needed.
14379 * src/output.c (actions_output, token_definitions_output): Output
14380 the full M4 block.
14381 * src/symtab.c: Don't access directly to the symbol tag, use
14382 symbol_tag_get.
14383 * src/parse-gram.y: Use symbol_list_free.
14384
143852002-06-17 Akim Demaille <akim@epita.fr>
14386
14387 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
14388 (symbol_list_prepend, get_type_name): Move to...
14389 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
14390 (symbol_list_prepend, symbol_list_n_type_name_get): here.
14391 Adjust all callers.
14392 (symbol_list_free): New.
14393 * src/scan-gram.l (handle_dollar): Takes a location.
14394 * tests/input.at (Invalid $n): Adjust.
14395
143962002-06-17 Akim Demaille <akim@epita.fr>
14397
14398 * src/reader.h, src/reader.c (symbol_list_new): Export it.
14399 (symbol_list_prepend): New.
14400 * src/parse-gram.y (%union): `list' is a new member.
14401 (symbols.1): New, replaces...
14402 (terms_to_prec.1, nterms_to_type.1): these.
14403 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
14404 Take a location as additional argument.
14405 Adjust all callers.
14406
144072002-06-15 Akim Demaille <akim@epita.fr>
14408
14409 * src/parse-gram.y: Move %token in the declaration section so that
14410 we don't depend upon CVS Bison.
14411
144122002-06-15 Akim Demaille <akim@epita.fr>
14413
14414 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
14415 * src/print.c (print_core): Use it.
14416
144172002-06-15 Akim Demaille <akim@epita.fr>
14418
14419 * src/conflicts.c (log_resolution): Accept the rule involved in
14420 the sr conflicts instead of the lookahead number that points to
14421 that rule.
14422 (flush_reduce): Accept the current lookahead vector as argument,
14423 instead of the index in LA.
14424 (resolve_sr_conflict): Accept the current number of lookahead
14425 bitset to consider for the STATE, instead of the index in LA.
14426 (set_conflicts): Adjust.
14427 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
14428
144292002-06-15 Akim Demaille <akim@epita.fr>
14430
14431 * src/state.h (state_t): Replace the `lookaheadsp' member, a
14432 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
14433 Adjust all dependencies.
14434 * src/lalr.c (initialize_lookaheads): Split into...
14435 (states_lookaheads_count, states_lookaheads_initialize): these.
14436 (lalr): Adjust.
14437
144382002-06-15 Akim Demaille <akim@epita.fr>
14439
14440 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
14441 out of...
14442 (grammar_rules_print): here.
14443 * src/reduce.c (reduce_output): Use it.
14444 * tests/reduce.at (Useless Rules, Reduced Automaton)
14445 (Underivable Rules): Adjust.
14446
144472002-06-15 Akim Demaille <akim@epita.fr>
14448
14449 Copy BYacc's nice way to report the grammar.
14450
14451 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
14452 New.
14453 Don't print the rules' location, it is confusing and useless.
14454 (rule_print): Use grammar_rhs_print.
14455 * src/print.c (print_grammar): Use grammar_rules_print.
14456
144572002-06-15 Akim Demaille <akim@epita.fr>
14458
14459 Complete and rationalize `useless thing' warnings.
14460
14461 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
14462 (symbol_tag_print): New.
14463 Use them everywhere in place of accessing directly the tag member.
14464 * src/gram.h, src/gram.c (rule_print): New.
14465 Use it where a rule used to be printed `by hand'.
14466 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
14467 (reduce_grammar_tables): Report the useless rules.
14468 (reduce_print): Useless things are a warning, not an error.
14469 Report it as such.
14470 * tests/reduce.at (Useless Nonterminals, Useless Rules):
14471 (Reduced Automaton, Underivable Rules): Adjust.
14472 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
14473 * tests/conflicts.at (Unresolved SR Conflicts)
14474 (Solved SR Conflicts): Adjust.
14475
144762002-06-15 Akim Demaille <akim@epita.fr>
14477
14478 Let symbols have a location.
14479
14480 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
14481 (getsym): Adjust.
14482 Adjust all callers.
14483 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
14484 Use location_t, not int.
14485 * src/symtab.c (symbol_check_defined): Take advantage of the
14486 location.
14487 * tests/regression.at (Invalid inputs): Adjust.
14488
144892002-06-15 Akim Demaille <akim@epita.fr>
14490
14491 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
14492 (input): Don't try to initialize yylloc here, do it in the
14493 scanner.
14494 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
14495 * src/gram.h (rule_t): Change line and action_line into location
14496 and action_location, of location_t type.
14497 Adjust all dependencies.
14498 * src/location.h, src/location.c (empty_location): New.
14499 * src/reader.h, src/reader.c (grammar_start_symbol_set)
14500 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
14501 (grammar_current_rule_symbol_append)
14502 (grammar_current_rule_action_append): Expect a location as argument.
14503 * src/reader.c (grammar_midrule_action): Adjust to attach an
14504 action's location as dummy symbol location.
14505 * src/symtab.h, src/symtab.c (startsymbol_location): New.
14506 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
14507 the line numbers.
14508
145092002-06-14 Akim Demaille <akim@epita.fr>
14510
14511 Grammar declarations may be found in the grammar section.
14512
14513 * src/parse-gram.y (rules_or_grammar_declaration): New.
14514 (declarations): Each declaration may end with a semicolon, not
14515 just...
14516 (grammar_declaration): `"%union"'.
14517 (grammar): Branch to rules_or_grammar_declaration.
14518
145192002-06-14 Akim Demaille <akim@epita.fr>
14520
14521 * src/main.c (main): Invoke scanner_free.
14522
145232002-06-14 Akim Demaille <akim@epita.fr>
14524
14525 * src/output.c (m4_invoke): Extracted from...
14526 (output_skeleton): here.
14527 Free tempfile.
14528
145292002-06-14 Akim Demaille <akim@epita.fr>
14530
14531 * src/parse-gram.y (directives, directive, gram)
14532 (grammar_directives, precedence_directives, precedence_directive):
14533 Rename as...
14534 (declarations, declaration, grammar, grammar_declaration)
14535 (precedence_declaration, precedence_declarator): these.
14536 (symbol_declaration): New.
14537
145382002-06-14 Akim Demaille <akim@epita.fr>
14539
14540 * src/files.c (action_obstack): Remove, unused.
14541 (output_obstack): Remove it, and all its dependencies, as it is no
14542 longer needed.
14543 * src/reader.c (epilogue_set): Build the epilogue in the
14544 muscle_obstack.
14545 * src/output.h, src/output.c (muscle_obstack): Move to...
14546 * src/muscle_tab.h, src/muscle_tab.h: here.
14547 (muscle_init): Initialize muscle_obstack.
14548 (muscle_free): New.
14549 * src/main.c (main): Call it.
14550
145512002-06-14 Akim Demaille <akim@epita.fr>
14552
14553 * src/location.h: New, extracted from...
14554 * src/reader.h: here.
14555 * src/Makefile.am (noinst_HEADERS): Merge into
14556 (bison_SOURCES): this.
14557 Add location.h.
14558 * src/parse-gram.y: Use location_t instead of Bison's.
14559 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
14560 Use location_t instead of ints.
14561
145622002-06-14 Akim Demaille <akim@epita.fr>
14563
14564 * data/bison.simple, data/bison.c++: Be sure to restore the
14565 current #line when returning to the skeleton contents after having
14566 exposed the input file's #line.
14567
145682002-06-12 Akim Demaille <akim@epita.fr>
14569
14570 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
14571 eager.
14572 * tests/actions.at (Exotic Dollars): New.
14573
145742002-06-12 Akim Demaille <akim@epita.fr>
14575
14576 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
14577 ['"/] too eagerly.
14578 * tests/input.at (Torturing the Scanner): New.
14579
145802002-06-11 Akim Demaille <akim@epita.fr>
14581
14582 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
14583 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
14584 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
14585 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
14586 * src/reader.c (reader): Use it.
14587
145882002-06-11 Akim Demaille <akim@epita.fr>
14589
14590 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
14591 Adjust all callers.
14592 (scanner_last_string_free): New.
14593
145942002-06-11 Akim Demaille <akim@epita.fr>
14595
14596 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
14597 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
14598 (last_string, YY_OBS_FREE): New.
14599 Use them when returning an ID.
14600
146012002-06-11 Akim Demaille <akim@epita.fr>
14602
14603 Have Bison grammars parsed by a Bison grammar.
14604
14605 * src/reader.c, src/reader.h (prologue_augment): New.
14606 * src/reader.c (copy_definition): Remove.
14607
14608 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
14609 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
14610 (grammar_current_rule_prec_set, grammar_current_rule_check)
14611 (grammar_current_rule_symbol_append)
14612 (grammar_current_rule_action_append): Export.
14613 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
14614 (symbol_list_action_append): Remove.
14615 Hook the routines from reader.
14616 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
14617 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
14618
14619 * src/reader.c (read_declarations): Remove, unused.
14620
14621 * src/parse-gram.y: Handle the epilogue.
14622 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
14623 (grammar_start_symbol_set): this.
14624 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
14625 * src/reader.c (readgram): Remove, unused.
14626 (reader): Adjust to insert eoftoken and axiom where appropriate.
14627
14628 * src/reader.c (copy_dollar): Replace with...
14629 * src/scan-gram.h (handle_dollar): this.
14630 * src/parse-gram.y: Remove `%thong'.
14631
14632 * src/reader.c (copy_at): Replace with...
14633 * src/scan-gram.h (handle_at): this.
14634
14635 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
14636 New.
14637
14638 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
14639 time being.
14640
14641 * src/reader.h, src/reader.c (grammar_rule_end): New.
14642
14643 * src/parse.y (current_type, current_class): New.
14644 Implement `%nterm', `%token' support.
14645 Merge `%term' into `%token'.
14646 (string_as_id): New.
14647 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
14648 type name.
14649
14650 * src/parse-gram.y: Be sure to handle properly the beginning of
14651 rules.
14652
14653 * src/parse-gram.y: Handle %type.
14654 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
14655
14656 * src/parse-gram.y: More directives support.
14657 * src/options.c: No longer handle source directives.
14658
14659 * src/parse-gram.y: Fix %output.
14660
14661 * src/parse-gram.y: Handle %union.
14662 Use the prologue locations.
14663 * src/reader.c (parse_union_decl): Remove.
14664
14665 * src/reader.h, src/reader.c (epilogue_set): New.
14666 * src/parse-gram.y: Use it.
14667
14668 * data/bison.simple, data/bison.c++: b4_stype is now either not
14669 defined, then default to int, or to the contents of %union,
14670 without `union' itself.
14671 Adjust.
14672 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
14673
14674 * src/output.c (actions_output): Don't output braces, as they are
14675 already handled by the scanner.
14676
14677 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
14678 characters to themselves.
14679
14680 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
14681 that the epilogue has a proper #line.
14682
14683 * src/parse-gram.y: Handle precedence/associativity.
14684
14685 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
14686 a terminal.
14687 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
14688 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
14689 at all to define terminals that cannot be emitted.
14690
14691 * src/scan-gram.l: Escape M4 characters.
14692
14693 * src/scan-gram.l: Working properly with escapes in user
14694 strings/characters.
14695
14696 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
14697 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
14698 grammar.
14699 Use more modest sizes, as for the time being the parser does not
14700 release memory, and therefore the process swallows a huge amount
14701 of memory.
14702
14703 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
14704 stricter %token grammar.
14705
14706 * src/symtab.h (associativity): Add `undef_assoc'.
14707 (symbol_precedence_set): Do nothing when passed an undef_assoc.
14708 * src/symtab.c (symbol_check_alias_consistence): Adjust.
14709
14710 * tests/regression.at (Invalid %directive): Remove, as it is now
14711 meaningless.
14712 (Invalid inputs): Adjust to the new error messages.
14713 (Token definitions): The new grammar doesn't allow too many
14714 eccentricities.
14715
14716 * src/lex.h, src/lex.c: Remove.
14717 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
14718 (copy_character, copy_string2, copy_string, copy_identifier)
14719 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
14720 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
14721 (parse_action): Remove.
14722 * po/POTFILES.in: Adjust.
14723
147242002-06-11 Akim Demaille <akim@epita.fr>
14725
14726 * src/reader.c (parse_action): Don't store directly into the
14727 rule's action member: return the action as a string.
14728 Don't require `rule_length' as an argument: compute it.
14729 (grammar_current_rule_symbol_append)
14730 (grammar_current_rule_action_append): New, eved out from
14731 (readgram): here.
14732 Remove `action_flag', `rulelength', unused now.
14733
147342002-06-11 Akim Demaille <akim@epita.fr>
14735
14736 * src/reader.c (grammar_current_rule_prec_set).
14737 (grammar_current_rule_check): New, eved out from...
14738 (readgram): here.
14739 Remove `xaction', `first_rhs': useless.
14740 * tests/input.at (Type clashes): New.
14741 * tests/existing.at (GNU Cim Grammar): Adjust.
14742
147432002-06-11 Akim Demaille <akim@epita.fr>
14744
14745 * src/reader.c (grammar_midrule_action): New, Eved out from
14746 (readgram): here.
14747
147482002-06-11 Akim Demaille <akim@epita.fr>
14749
14750 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
14751 New.
14752 (readgram): Use them as replacement of inlined code, crule and
14753 crule1.
14754
147552002-06-11 Akim Demaille <akim@epita.fr>
14756
14757 * src/reader.c (grammar_end, grammar_symbol_append): New.
14758 (readgram): Use them.
14759 Make the use of `p' as local as possible.
14760
147612002-06-10 Akim Demaille <akim@epita.fr>
14762
14763 GCJ's parser requires the tokens to be defined before the prologue.
14764
14765 * data/bison.simple: Output the token definition before the user's
14766 prologue.
14767 * tests/regression.at (Braces parsing, Duplicate string)
14768 (Mixing %token styles): Check the output from bison.
14769 (Early token definitions): New.
14770
147712002-06-10 Akim Demaille <akim@epita.fr>
14772
14773 * src/symtab.c (symbol_user_token_number_set): Don't complain when
14774 assigning twice the same user number to a token, so that we can
14775 use it in...
14776 * src/lex.c (lex): here.
14777 Also use `symbol_class_set' instead of hand written code.
14778 * src/reader.c (parse_assoc_decl): Likewise.
14779
147802002-06-10 Akim Demaille <akim@epita.fr>
14781
14782 * src/symtab.c, src/symtab.c (symbol_class_set)
14783 (symbol_user_token_number_set): New.
14784 * src/reader.c (parse_token_decl): Use them.
14785 Use a switch instead of ifs.
14786 Use a single argument.
14787
147882002-06-10 Akim Demaille <akim@epita.fr>
14789
14790 Remove `%thong' support as it is undocumented, unused, duplicates
14791 `%token's job, and creates useless e-mail traffic with people who
14792 want to know what it is, why it is undocumented, unused, and
14793 duplicates `%token's job.
14794
14795 * src/reader.c (parse_thong_decl): Remove.
14796 * src/options.c (option_table): Remove "thong".
14797 * src/lex.h (tok_thong): Remove.
14798
147992002-06-10 Akim Demaille <akim@epita.fr>
14800
14801 * src/symtab.c, src/symtab.c (symbol_type_set)
14802 (symbol_precedence_set): New.
14803 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
14804 (value_components_used): Remove, unused.
14805
148062002-06-09 Akim Demaille <akim@epita.fr>
14807
14808 Move symbols handling code out of the reader.
14809
14810 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
14811 (axiom): Move to...
14812 * src/symtab.h, src/symtab.c: here.
14813
14814 * src/gram.c (start_symbol): Remove: use startsymbol->number.
14815 * src/reader.c (startval): Rename as...
14816 * src/symtab.h, src/symtab.c (startsymbol): this.
14817 * src/reader.c: Adjust.
14818
14819 * src/reader.c (symbol_check_defined, symbol_make_alias)
14820 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
14821 (token_translations_init)
14822 Move to...
14823 * src/symtab.c: here.
14824 * src/reader.c (packsymbols): Move to...
14825 * src/symtab.h, src/symtab.c (symbols_pack): here.
14826 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
14827 argument.
14828
148292002-06-03 Akim Demaille <akim@epita.fr>
14830
14831 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
14832 then statements.
14833
148342002-06-03 Akim Demaille <akim@epita.fr>
14835
14836 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
14837 structs with non literals.
14838 * src/scan-skel.l: never-interactive.
14839 * src/conflicts.c (enum conflict_resolution_e): No trailing
14840 comma.
14841 * src/getargs.c (usage): Split long literal strings.
14842 Reported by Hans Aberg.
14843
148442002-05-28 Akim Demaille <akim@epita.fr>
14845
14846 * data/bison.c++: Use C++ ostreams.
14847 (cdebug_): New member.
14848
148492002-05-28 Akim Demaille <akim@epita.fr>
14850
14851 * src/output.c (output_skeleton): Be sure to allocate enough room
14852 for `/' _and_ for `\0' in full_skeleton.
14853
148542002-05-28 Akim Demaille <akim@epita.fr>
14855
14856 * data/bison.c++: Catch up with bison.simple:
14857 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14858 and Paul Eggert <eggert@twinsun.com>: `error' handing.
14859 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
14860 and popping traces.
14861
148622002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14863
14864 * src/output.c (output_skeleton): Put an explicit path in front of
14865 the skeleton file name, rather than relying on the -I directory,
14866 to partially alleviate effects of having a skeleton file lying around
14867 in the current directory.
14868
148692002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14870
14871 * src/conflicts.c (log_resolution): Correct typo:
14872 obstack_printf should be obstack_fgrow1.
14873
148742002-05-26 Akim Demaille <akim@epita.fr>
14875
14876 * src/state.h (state_t): `solved_conflicts' is a new member.
14877 * src/LR0.c (new_state): Set it to 0.
14878 * src/conflicts.h, src/conflicts.c (print_conflicts)
14879 (free_conflicts, solve_conflicts): Rename as...
14880 (conflicts_print, conflicts_free, conflicts_solve): these.
14881 Adjust callers.
14882 * src/conflicts.c (enum conflict_resolution_e)
14883 (solved_conflicts_obstack): New, used by...
14884 (log_resolution): this.
14885 Adjust to attach the conflict resolution to each state.
14886 Complete the description with the precedence/associativity
14887 information.
14888 (resolve_sr_conflict): Adjust.
14889 * src/print.c (print_state): Output its solved_conflicts.
14890 * tests/conflicts.at (Unresolved SR Conflicts)
14891 (Solved SR Conflicts): Exercise --report=all.
14892
148932002-05-26 Akim Demaille <akim@epita.fr>
14894
14895 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
14896 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
14897 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
14898 (token_number_t, item_number_as_token_number)
14899 (token_number_as_item_number, muscle_insert_token_number_table):
14900 Rename as...
14901 (symbol_number_t, item_number_as_symbol_number)
14902 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
14903 these, since it is more appropriate.
14904
149052002-05-26 Akim Demaille <akim@epita.fr>
14906
14907 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
14908 `Error:' lines.
14909 * data/bison.simple (yystos) [YYDEBUG]: New.
14910 (yyparse) [YYDEBUG]: Display the symbols which are popped during
14911 error recovery.
14912 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
14913
149142002-05-25 Akim Demaille <akim@epita.fr>
14915
14916 * doc/bison.texinfo (Debugging): Split into...
14917 (Tracing): this new section, its former contents, and...
14918 (Understanding): this new section.
14919 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
14920 by...
14921 (report_flag): this.
14922 Adjust all dependencies.
14923 (report_args, report_types, report_argmatch): New.
14924 (usage, getargs): Report/support -r, --report.
14925 * src/options.h
14926 (struct option_table_struct): Rename as..,
14927 (struct option_table_s): this.
14928 Rename the `set_flag' member to `flag' to match with getopt_long's
14929 struct.
14930 * src/options.c (option_table): Split verbose into an entry for
14931 %verbose, and another for --verbose.
14932 Support --report/-r, so remove -r from the obsolete --raw.
14933 * src/print.c: Attach full item sets and lookaheads reports to
14934 report_flag instead of trace_flag.
14935 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
14936
149372002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14938 and Paul Eggert <eggert@twinsun.com>
14939
14940 * data/bison.simple (yyparse): Correct error handling to conform to
14941 POSIX and yacc. Specifically, after syntax error is discovered,
14942 do not reduce further before shifting the error token.
14943 Clean up the code a bit by removing the labels yyerrdefault,
14944 yyerrhandle, yyerrpop.
14945 * NEWS: Document the above.
14946
149472002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14948
14949 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
14950 type; it isn't always big enough, since it doesn't necessarily
14951 include non-terminals.
14952 (yytranslate): Expand definition of yy_token_number_type, so that
14953 the latter can be removed.
14954 (yy_token_number_type): Remove, only one use.
14955 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
14956 don't use TokenNumberType as element type.
14957
14958 * tests/regression.at: Modify expected output to agree with change
14959 to yyr1 and yytranslate.
14960
149612002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
14962
14963 * src/reader.c (parse_action): Use copy_character instead of
14964 obstack_1grow.
14965
149662002-05-13 Akim Demaille <akim@epita.fr>
14967
14968 * tests/regression.at (Token definitions): Prototype yylex and
14969 yyerror.
14970
149712002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14972
14973 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
14974 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
14975 32-bit arithmetic.
14976 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
14977
149782002-05-07 Akim Demaille <akim@epita.fr>
14979
14980 * tests/synclines.at: Be sure to prototype yylex and yyerror to
14981 avoid GCC warnings.
14982
149832002-05-07 Akim Demaille <akim@epita.fr>
14984
14985 Kill GCC warnings.
14986
14987 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
14988 over the RHS of each rule.
14989 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
14990 * src/state.h (state_t): Member `nitems' is unsigned short.
14991 * src/LR0.c (get_state): Adjust.
14992 * src/reader.c (packgram): Likewise.
14993 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
14994 `Type'.
14995 (muscle_insert_int_table): Remove, unused.
14996 (prepare_rules): Remove `max'.
14997
149982002-05-06 Akim Demaille <akim@epita.fr>
14999
15000 * src/closure.c (print_firsts): Display of the symbol tags.
15001 (bitmatrix_print): Move to...
15002 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
15003 here.
15004 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
15005
150062002-05-06 Akim Demaille <akim@epita.fr>
15007
15008 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
15009 hash_do_for_each.
15010
150112002-05-06 Akim Demaille <akim@epita.fr>
15012
15013 * src/LR0.c (new_state, get_state): Instead of using the global
15014 `kernel_size' and `kernel_base', have two new arguments:
15015 `core_size' and `core'.
15016 Adjust callers.
15017
150182002-05-06 Akim Demaille <akim@epita.fr>
15019
15020 * src/reader.c (packgram): No longer end `ritem' with a 0
15021 sentinel: it is not used.
15022
150232002-05-05 Akim Demaille <akim@epita.fr>
15024
15025 New experimental feature: display the lookaheads in the report and
15026 graph.
15027
15028 * src/print (print_core): When --trace-flag, display the rules
15029 lookaheads.
15030 * src/print_graph.c (print_core): Likewise.
15031 Swap the arguments.
15032 Adjust caller.
15033
150342002-05-05 Akim Demaille <akim@epita.fr>
15035
15036 * tests/torture.at (Many lookaheads): New test.
15037
150382002-05-05 Akim Demaille <akim@epita.fr>
15039
15040 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
15041 (GENERATE_MUSCLE_INSERT_TABLE): this.
15042 (output_int_table, output_unsigned_int_table, output_short_table)
15043 (output_token_number_table, output_item_number_table): Replace with...
15044 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
15045 (muscle_insert_short_table, muscle_insert_token_number_table)
15046 (muscle_insert_item_number_table): these.
15047 Adjust all callers.
15048 (prepare_tokens): Don't free `translations', since...
15049 * src/reader.h, src/reader.c (grammar_free): do it.
15050 Move to...
15051 * src/gram.h, src/gram.c (grammar_free): here.
15052 * data/bison.simple, data/bison.c++: b4_token_number_max is now
15053 b4_translate_max.
15054
150552002-05-05 Akim Demaille <akim@epita.fr>
15056
15057 * src/output.c (output_unsigned_int_table): New.
15058 (prepare_rules): `i' is unsigned.
15059 `prhs', `rline', `r2' are unsigned int.
15060 Rename muscle `rhs_number_max' as `rhs_max'.
15061 Output muscles `prhs_max', `rline_max', and `r2_max'.
15062 Free rline and r1.
15063 * data/bison.simple, data/bison.c++: Adjust to use these muscles
15064 to compute types instead of constant types.
15065 * tests/regression.at (Web2c Actions): Adjust.
15066
150672002-05-04 Akim Demaille <akim@epita.fr>
15068
15069 * src/symtab.h (SALIAS, SUNDEF): Rename as...
15070 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
15071 Adjust dependencies.
15072 * src/output.c (token_definitions_output): Be sure not to output a
15073 `#define 'a'' when fed with `%token 'a' "a"'.
15074 * tests/regression.at (Token definitions): New.
15075
150762002-05-03 Paul Eggert <eggert@twinsun.com>
15077
15078 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
15079 for K&R C.
15080
150812002-05-03 gettextize <bug-gnu-gettext@gnu.org>
15082
15083 * Makefile.am (SUBDIRS): Remove intl.
15084 (EXTRA_DIST): Add config/config.rpath.
15085
150862002-05-03 Akim Demaille <akim@epita.fr>
15087
15088 * data/bison.simple (m4_if): Don't output empty enums.
15089 And actually, output valid enum definitions :(.
15090
150912002-05-03 Akim Demaille <akim@epita.fr>
15092
15093 * configure.bat: Remove, completely obsolete.
15094 * Makefile.am (EXTRA_DIST): Adjust.
15095 Don't distribute config.rpath...
15096 * config/Makefile.am (EXTRA_DIST): Do it.
15097
150982002-05-03 Akim Demaille <akim@epita.fr>
15099
15100 * configure.in (GETTEXT_VERSION): New.
15101 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
15102
151032002-05-03 Akim Demaille <akim@epita.fr>
15104
15105 * data/bison.simple (b4_token_enum): New.
15106 (b4_token_defines): Use it to output tokens both as #define and
15107 enums.
15108 Suggested by Paul Eggert.
15109 * src/output.c (token_definitions_output): Don't output spurious
15110 white spaces.
15111
151122002-05-03 Akim Demaille <akim@epita.fr>
15113
15114 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
15115
151162002-05-02 Robert Anisko <robert@lrde.epita.fr>
15117
15118 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
15119 Update the stack class, give a try to deque as the default container.
15120
151212002-05-02 Akim Demaille <akim@epita.fr>
15122
15123 * data/bison.simple (yyparse): Do not implement @$ = @1.
15124 (YYLLOC_DEFAULT): Adjust to do it.
15125 * doc/bison.texinfo (Location Default Action): Fix.
15126
151272002-05-02 Akim Demaille <akim@epita.fr>
15128
15129 * src/reader.c (parse_braces): Merge into...
15130 (parse_action): this.
15131
151322002-05-02 Akim Demaille <akim@epita.fr>
15133
15134 * configure.in (ALL_LINGUAS): Remove.
15135 * po/LINGUAS, hr.po: New.
15136
151372002-05-02 Akim Demaille <akim@epita.fr>
15138
15139 Remove the so called hairy (semantic) parsers.
15140
15141 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
15142 * src/gram.h, src/gram.c (semantic_parser): Remove.
15143 (rule_t): Remove the guard and guard_line members.
15144 * src/lex.h (token_t): remove tok_guard.
15145 * src/options.c (option_table): Remove %guard and %semantic_parser
15146 support.
15147 * src/output.c, src/output.h (guards_output): Remove.
15148 (prepare): Adjust.
15149 (token_definitions_output): Don't output the `T'
15150 tokens (???).
15151 (output_skeleton): Don't output the guards.
15152 * src/files.c, src/files.c (attrsfile): Remove.
15153 * src/reader.c (symbol_list): Remove the guard and guard_line
15154 members.
15155 Adjust dependencies.
15156 (parse_guard): Remove.
15157 * data/bison.hairy: Remove.
15158 * doc/bison.texinfo (Environment Variables): Remove occurrences of
15159 BISON_HAIRY.
15160
151612002-05-02 Akim Demaille <akim@epita.fr>
15162
15163 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
15164 (parse_guard): Rename the formal argument `stack_offset' as
15165 `rule_length', which is more readable.
15166 Adjust callers.
15167 (copy_at, copy_dollar): Instead of outputting the hard coded
15168 values of $$, $n and so forth, output invocation to b4_lhs_value,
15169 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
15170 Note: this patch partially drops `semantic-parser' support: it
15171 always does `rule_length - n', where semantic parsers ought to
15172 always use `-n'.
15173 * data/bison.simple, data/bison.c++ (b4_lhs_value)
15174 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
15175
151762002-05-02 Akim Demaille <akim@epita.fr>
15177
15178 * configure.in (AC_INIT): Bump to 1.49b.
15179 (AM_INIT_AUTOMAKE): Short invocation.
15180
151812002-05-02 Akim Demaille <akim@epita.fr>
15182
15183 Version 1.49a.
15184
151852002-05-01 Akim Demaille <akim@epita.fr>
15186
15187 * src/skeleton.h: Remove.
15188
151892002-05-01 Akim Demaille <akim@epita.fr>
15190
15191 * src/skeleton.h: Fix the #endif.
15192 Reported by Magnus Fromreide.
15193
151942002-04-26 Paul Eggert <eggert@twinsun.com>
15195
15196 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
15197 Define if we define YYSTYPE and YYLTYPE, respectively.
15198 (YYCOPY): Fix [] quoting problem in the non-GCC case.
15199
152002002-04-25 Robert Anisko <robert@lrde.epita.fr>
15201
15202 * src/scan-skel.l: Postprocess quadrigraphs.
15203
15204 * src/reader.c (copy_character): New function, used to output
15205 single characters while replacing `[' and `]' with quadrigraphs, to
15206 avoid troubles with M4 quotes.
15207 (copy_comment): Output characters with copy_character.
15208 (read_additionnal_code): Likewise.
15209 (copy_string2): Likewise.
15210 (copy_definition): Likewise.
15211
15212 * tests/calc.at: Exercise M4 quoting.
15213
152142002-04-25 Akim Demaille <akim@epita.fr>
15215
15216 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
15217 between `!' and the command.
15218 Reported by Paul Eggert.
15219
152202002-04-24 Robert Anisko <robert@lrde.epita.fr>
15221
15222 * tests/calc.at: Exercise prologue splitting.
15223
15224 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
15225 `b4_post_prologue' instead of `b4_prologue'.
15226
15227 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
15228 muscles.
15229 (output): Free pre_prologue_obstack and post_prologue_obstack.
15230 * src/files.h, src/files.c (attrs_obstack): Remove.
15231 (pre_prologue_obstack, post_prologue_obstack): New.
15232 * src/reader.c (copy_definition): Add a parameter to specify the
15233 obstack to fill, instead of using attrs_obstack unconditionally.
15234 (read_declarations): Pass pre_prologue_obstack to copy_definition if
15235 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
15236
152372002-04-23 Paul Eggert <eggert@twinsun.com>
15238
15239 * data/bison.simple: Remove unnecessary commentary and white
15240 space differences from 1_29-branch.
15241 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
15242
15243 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
15244 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
15245 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
15246 constructors or destructors.
15247
15248 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
15249
152502002-04-23 Akim Demaille <akim@epita.fr>
15251
15252 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
15253 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
15254 location with columns.
15255 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
15256 All reported by Paul Eggert.
15257
152582002-04-22 Akim Demaille <akim@epita.fr>
15259
15260 * src/reduce.c (dump_grammar): Move to...
15261 * src/gram.h, src/gram.c (grammar_dump): here.
15262 Be sure to separate long item numbers.
15263 Don't read the members of a rule's prec if its nil.
15264
152652002-04-22 Akim Demaille <akim@epita.fr>
15266
15267 * src/output.c (table_size, table_grow): New.
15268 (MAXTABLE): Remove, replace uses with table_size.
15269 (pack_vector): Instead of dying when the table is too big, grow it.
15270
152712002-04-22 Akim Demaille <akim@epita.fr>
15272
15273 * data/bison.simple (yyr1): Its type is that of a token number.
15274 * data/bison.c++ (r1_): Likewise.
15275 * tests/regression.at (Web2c Actions): Adjust.
15276
152772002-04-22 Akim Demaille <akim@epita.fr>
15278
15279 * src/reader.c (token_translations_init): 256 is now the default
15280 value for the error token, i.e., it will be assigned another
15281 number if the user assigned 256 to one of her tokens.
15282 (reader): Don't force 256 to error.
15283 * doc/bison.texinfo (Symbols): Adjust.
15284 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
15285 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
15286 etc. instead of 10, 20, 30 (which was used to `jump' over error
15287 (256) and undefined (2)).
15288
152892002-04-22 Akim Demaille <akim@epita.fr>
15290
15291 Propagate more token_number_t.
15292
15293 * src/gram.h (token_number_as_item_number)
15294 (item_number_as_token_number): New.
15295 * src/output.c (GENERATE_OUTPUT_TABLE): New.
15296 Use it to create output_item_number_table and
15297 output_token_number_table.
15298 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
15299 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
15300 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
15301 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
15302
153032002-04-22 Akim Demaille <akim@epita.fr>
15304
15305 * src/output.h, src/output.c (get_lines_number): Remove.
15306
153072002-04-19 Akim Demaille <akim@epita.fr>
15308
15309 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
15310 as Lex/Flex'.
15311 (Debugging): More details about enabling the debugging features.
15312 (Table of Symbols): Describe $$, $n, @$, and @n.
15313 Suggested by Tim Josling.
15314
153152002-04-19 Akim Demaille <akim@epita.fr>
15316
15317 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
15318
153192002-04-10 Akim Demaille <akim@epita.fr>
15320
15321 * src/system.h: Rely on HAVE_LIMITS_H.
15322 Suggested by Paul Eggert.
15323
153242002-04-09 Akim Demaille <akim@epita.fr>
15325
15326 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
15327 full stderr, and strip it according to the bison options, instead
15328 of composing the error message from different bits.
15329 This makes it easier to check for several error messages.
15330 Adjust all the invocations.
15331 Add an invocation exercising the error token.
15332 Add an invocation demonstrating a stupid error message.
15333 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
15334 Adjust the tests.
15335 Error message are for stderr, not stdout.
15336
153372002-04-09 Akim Demaille <akim@epita.fr>
15338
15339 * src/gram.h, src/gram.c (error_token_number): Remove, use
15340 errtoken->number.
15341 * src/reader.c (reader): Don't specify the user token number (2)
15342 for $undefined, as it uselessly prevents using it.
15343 * src/gram.h (token_number_t): Move to...
15344 * src/symtab.h: here.
15345 (state_t.number): Is a token_number_t.
15346 * src/print.c, src/reader.c: Use undeftoken->number instead of
15347 hard coded 2.
15348 (Even though this 2 is not the same as above: the number of the
15349 undeftoken remains being 2, it is its user token number which
15350 might not be 2).
15351 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
15352 `user_token_number_max'.
15353 Output `undef_token_number'.
15354 * data/bison.simple, data/bison.c++: Use them.
15355 Be sure to map invalid yylex return values to
15356 `undef_token_number'. This saves us from gratuitous SEGV.
15357
15358 * tests/conflicts.at (Solved SR Conflicts)
15359 (Unresolved SR Conflicts): Adjust.
15360 * tests/regression.at (Web2c Actions): Adjust.
15361
153622002-04-08 Akim Demaille <akim@epita.fr>
15363
15364 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
15365 Adding #line.
15366 Remove the duplicate `typedefs'.
15367 (RhsNumberType): Fix the declaration and various other typos.
15368 Use __ofile__.
15369 * data/bison.simple: Use __ofile__.
15370 * src/scan-skel.l: Handle __ofile__.
15371
153722002-04-08 Akim Demaille <akim@epita.fr>
15373
15374 * src/gram.h (item_number_t): New, the type of item numbers in
15375 RITEM. Note that it must be able to code symbol numbers as
15376 positive number, and the negation of rule numbers as negative
15377 numbers.
15378 Adjust all dependencies (pretty many).
15379 * src/reduce.c (rule): Remove this `short *' pointer: use
15380 item_number_t.
15381 * src/system.h (MINSHORT, MAXSHORT): Remove.
15382 Include `limits.h'.
15383 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
15384 (shortcpy): Remove.
15385 (MAXTABLE): Move to...
15386 * src/output.c (MAXTABLE): here.
15387 (prepare_rules): Use output_int_table to output rhs.
15388 * data/bison.simple, data/bison.c++: Adjust.
15389 * tests/torture.at (Big triangle): Move the limit from 254 to
15390 500.
15391 * tests/regression.at (Web2c Actions): Ajust.
15392
15393 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
15394 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
15395 passes, but produces negative #line number, once fixed, GCC is
15396 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
15397 C), it passes.
15398 * src/state.h (state_h): Code input lines on ints, not shorts.
15399
154002002-04-08 Akim Demaille <akim@epita.fr>
15401
15402 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
15403 and then the grammar.
15404
154052002-04-08 Akim Demaille <akim@epita.fr>
15406
15407 * src/system.h: No longer using strndup.
15408
154092002-04-07 Akim Demaille <akim@epita.fr>
15410
15411 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
15412 * src/output.c (output_table_data): Return the longest number.
15413 (prepare_tokens): Output `token_number_max').
15414 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
15415 New.
15416 Use them to define yy_token_number_type/TokenNumberType.
15417 Use this type for yytranslate.
15418 * tests/torture.at (Big triangle): Push the limit from 124 to
15419 253.
15420 * tests/regression.at (Web2c Actions): Adjust.
15421
154222002-04-07 Akim Demaille <akim@epita.fr>
15423
15424 * tests/torture.at (Big triangle): New.
15425 (GNU AWK Grammar, GNU Cim Grammar): Move to...
15426 * tests/existing.at: here.
15427
154282002-04-07 Akim Demaille <akim@epita.fr>
15429
15430 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
15431 nritems.
15432 Adjust dependencies.
15433
154342002-04-07 Akim Demaille <akim@epita.fr>
15435
15436 * src/reader.c: Normalize increments to prefix form.
15437
154382002-04-07 Akim Demaille <akim@epita.fr>
15439
15440 * src/reader.c, symtab.c: Remove debugging code.
15441
154422002-04-07 Akim Demaille <akim@epita.fr>
15443
15444 Rename all the `bucket's as `symbol_t'.
15445
15446 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
15447 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
15448 * src/symtab.c, src/symtab.h (bucket): Rename as...
15449 (symbol_t): this.
15450 (symbol_list_new, bucket_check_defined, bucket_make_alias)
15451 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
15452 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
15453 (buckets_new, buckets_free, buckets_do): Rename as...
15454 (symbol_list_new, symbol_check_defined, symbol_make_alias)
15455 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
15456 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
15457 (symbols_new, symbols_free, symbols_do): these.
15458
154592002-04-07 Akim Demaille <akim@epita.fr>
15460
15461 Use lib/hash for the symbol table.
15462
15463 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
15464 EOF.
15465 * src/lex.c (lex): Set the `number' member of new terminals.
15466 * src/reader.c (bucket_check_defined, bucket_make_alias)
15467 (bucket_check_alias_consistence, bucket_translation): New.
15468 (reader, grammar_free, readgram, token_translations_init)
15469 (packsymbols): Adjust.
15470 (reader): Number the predefined tokens.
15471 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
15472 for predefined tokens.
15473 * src/symtab.h (bucket): Remove all the hash table related
15474 members.
15475 * src/symtab.c (symtab): Replace by...
15476 (bucket_table): this.
15477 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
15478 (buckets_new, buckets_do): New.
15479
154802002-04-07 Akim Demaille <akim@epita.fr>
15481
15482 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
15483 (start_symbol, max_user_token_number, semantic_parser)
15484 (error_token_number): Initialize.
15485 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
15486 Initialize.
15487 (reader): Don't.
15488 (errtoken, eoftoken, undeftoken, axiom): Extern.
15489
154902002-04-07 Akim Demaille <akim@epita.fr>
15491
15492 * src/gram.h (rule_s): prec and precsym are now pointers
15493 to the bucket giving the priority/associativity.
15494 Member `associativity' removed: useless.
15495 * src/reduce.c, src/conflicts.c: Adjust.
15496
154972002-04-07 Akim Demaille <akim@epita.fr>
15498
15499 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
15500 Properly escape the symbols' TAG when outputting them.
15501
155022002-04-07 Akim Demaille <akim@epita.fr>
15503
15504 * src/lalr.h (LA): Is a bitsetv, not bitset*.
15505
155062002-04-07 Akim Demaille <akim@epita.fr>
15507
15508 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
15509 (LArule): this, which is an array to rule_t*.
15510 * src/print.c, src/conflicts.c: Adjust.
15511
155122002-04-07 Akim Demaille <akim@epita.fr>
15513
15514 * src/gram.h (rule_t): Rename `number' as `user_number'.
15515 `number' is a new member.
15516 Adjust dependencies.
15517 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
15518
155192002-04-07 Akim Demaille <akim@epita.fr>
15520
15521 As a result of the previous patch, it is no longer needed
15522 to reorder ritem itself.
15523
15524 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
15525
155262002-04-07 Akim Demaille <akim@epita.fr>
15527
15528 Be sure never to walk through RITEMS, but use only data related to
15529 the rules themselves. RITEMS should be banished.
15530
15531 * src/output.c (output_token_translations): Rename as...
15532 (prepare_tokens): this.
15533 In addition to `translate', prepare the muscles `tname' and
15534 `toknum', which were handled by...
15535 (output_rule_data): this.
15536 Remove, and move the remainder of its outputs into...
15537 (prepare_rules): this new routines, which also merges content from
15538 (output_gram): this.
15539 (prepare_rules): Be sure never to walk through RITEMS.
15540 (output_stos): Rename as...
15541 (prepare_stos): this.
15542 (output): Always invoke prepare_states, after all, just don't use it
15543 in the output if you don't need it.
15544
155452002-04-07 Akim Demaille <akim@epita.fr>
15546
15547 * src/LR0.c (new_state): Display `nstates' as the name of the
15548 newly created state.
15549 Adjust to initialize first_state and last_state if needed.
15550 Be sure to distinguish the initial from the final state.
15551 (new_states): Create the itemset of the initial state, and use
15552 new_state.
15553 * src/closure.c (closure): Now that the initial state has its
15554 items properly set, there is no need for a special case when
15555 creating `ruleset'.
15556
15557 As a result, now the rule 0, reducing to $axiom, is visible in the
15558 outputs. Adjust the test suite.
15559
15560 * tests/conflicts.at (Solved SR Conflicts)
15561 (Unresolved SR Conflicts): Adjust.
15562 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
15563 * tests/conflicts.at (S/R in initial): New.
15564
155652002-04-07 Akim Demaille <akim@epita.fr>
15566
15567 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
15568 the RHS of the rules.
15569 * src/output.c (output_gram): Likewise.
15570
155712002-04-07 Akim Demaille <akim@epita.fr>
15572
15573 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
15574 bucket.
15575 Adjust all dependencies.
15576 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
15577 `number' of the buckets too.
15578 * src/gram.h: Include `symtab.h'.
15579 (associativity): Move to...
15580 * src/symtab.h: here.
15581 No longer include `gram.h'.
15582
155832002-04-07 Akim Demaille <akim@epita.fr>
15584
15585 * src/gram.h, src/gram.c (rules_rhs_length): New.
15586 (ritem_longest_rhs): Use it.
15587 * src/gram.h (rule_t): `number' is a new member.
15588 * src/reader.c (packgram): Set it.
15589 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
15590 the end of `rules', and count them out of `nrules'.
15591 (reduce_output, dump_grammar): Adjust.
15592 * src/print.c (print_grammar): It is no longer needed to check for
15593 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
15594 * tests/reduce.at (Reduced Automaton): New test.
15595
155962002-04-07 Akim Demaille <akim@epita.fr>
15597
15598 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
15599 lacking `+ 1' to nrules, Bison reported as useless a token if it
15600 was used solely to set the precedence of the last rule...
15601
156022002-04-07 Akim Demaille <akim@epita.fr>
15603
15604 * data/bison.c++, data/bison.simple: Don't output the current file
15605 name in #line, to avoid useless diffs between two identical
15606 outputs under different names.
15607
156082002-04-07 Akim Demaille <akim@epita.fr>
15609
15610 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
15611 Normalize loops to using `< nrules + 1', not `<= nrules'.
15612
156132002-04-07 Akim Demaille <akim@epita.fr>
15614
15615 * TODO: Update.
15616
156172002-04-07 Akim Demaille <akim@epita.fr>
15618
15619 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
15620 bucket.value as bucket.number.
15621
156222002-04-07 Akim Demaille <akim@epita.fr>
15623
15624 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
15625 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
15626 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
15627 RHS, instead of being an index in RITEMS.
15628
156292002-04-04 Paul Eggert <eggert@twinsun.com>
15630
15631 * doc/bison.texinfo: Update copyright date.
15632 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
15633 (Symbols): Warn about running Bison in one character set,
15634 but compiling and/or running in an incompatible one.
15635 Warn about character code 256, too.
15636
156372002-04-03 Paul Eggert <eggert@twinsun.com>
15638
15639 * src/bison.data (YYSTACK_ALLOC): Depend on whether
15640 YYERROR_VERBOSE is nonzero, not whether it is defined.
15641
15642 Merge changes from bison-1_29-branch.
15643
156442002-03-20 Paul Eggert <eggert@twinsun.com>
15645
15646 Merge fixes from Debian bison_1.34-1.diff.
15647
15648 * configure.in (AC_PREREQ): 2.53.
15649
156502002-03-20 Akim Demaille <akim@epita.fr>
15651
15652 * src/conflicts.c (log_resolution): Argument `resolution' is const.
15653
156542002-03-19 Paul Eggert <eggert@twinsun.com>
15655
15656 * src/bison.simple (YYCOPY): New macro.
15657 (YYSTACK_RELOCATE): Use it.
15658 Remove Type arg; no longer needed. All callers changed.
15659 (yymemcpy): Remove; no longer needed.
15660
15661 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
15662 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
15663
156642002-03-19 Akim Demaille <akim@epita.fr>
15665
15666 Test and fix the #line outputs.
15667
15668 * tests/atlocal.at (GCC): New.
15669 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
15670 (Prologue synch line, %union synch line, Postprologue synch line)
15671 (Action synch line, Epilogue synch line): New tests.
15672 * src/reader.c (parse_union_decl): Define the muscle stype_line.
15673 * data/bison.simple, data/bison.c++: Use it.
15674
156752002-03-19 Akim Demaille <akim@epita.fr>
15676
15677 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
15678 (Solved SR Conflicts, %expect not enough, %expect right)
15679 (%expect too much): Move to...
15680 * tests/conflicts.at: this new file.
15681
156822002-03-19 Akim Demaille <akim@epita.fr>
15683
15684 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
15685 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
15686 that we can move to enums for instance.
15687 * src/output.c (token_definitions_output): Output a list of
15688 `token-name, token-number' instead of the #define.
15689 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
15690
156912002-03-14 Akim Demaille <akim@epita.fr>
15692
15693 Use Gettext 0.11.1.
15694
156952002-03-09 Robert Anisko <robert@lrde.epita.fr>
15696
15697 * data/bison.c++: Make the user able to add members to the generated
15698 parser by subclassing.
15699
157002002-03-05 Robert Anisko <robert@lrde.epita.fr>
15701
15702 * src/reader.c (read_additionnal_code): `c' should be an integer, not
15703 a character.
15704 Reported by Nicolas Tisserand and Nicolas Burrus.
15705
157062002-03-04 Robert Anisko <robert@lrde.epita.fr>
15707
15708 * src/reader.c: Warn about lacking semi-colons, do not complain.
15709
157102002-03-04 Robert Anisko <robert@lrde.epita.fr>
15711
15712 * data/bison.c++: Remove a debug line.
15713
157142002-03-04 Robert Anisko <robert@lrde.epita.fr>
15715
15716 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
15717 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
15718 provide a default implementation.
15719
157202002-03-04 Akim Demaille <akim@epita.fr>
15721
15722 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
15723 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
15724 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
15725 * tests/semantic.at (Parsing Guards): Similarly.
15726 * src/reader.at (readgram): Complain if the last rule is not ended
15727 with a semi-colon.
15728
157292002-03-04 Akim Demaille <akim@epita.fr>
15730
15731 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
15732 * src/closure.c: here.
15733 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
15734 RTC.
15735 * src/warshall.h, src/warshall.c: Remove.
15736 * tests/sets.at (Broken Closure): Adjust.
15737
157382002-03-04 Akim Demaille <akim@epita.fr>
15739
15740 * src/output.c (output_skeleton): tempdir is const.
15741 bytes_read is unused.
15742
157432002-03-04 Akim Demaille <akim@epita.fr>
15744
15745 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
15746 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
15747 Update.
15748 From Michael Hayes.
15749
157502002-03-04 Akim Demaille <akim@epita.fr>
15751
15752 * src/closure.c (closure): `r' is unused.
15753
157542002-03-04 Akim Demaille <akim@epita.fr>
15755
15756 * tests/sets.at (Broken Closure): Add the ending `;'.
15757 * src/reader.at (readgram): Complain if a rule is not ended with a
15758 semi-colon.
15759
157602002-03-04 Akim Demaille <akim@epita.fr>
15761
15762 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
15763 (count_sr_conflicts): Use bitset_count.
15764 * src/reduce.c (inaccessable_symbols): Ditto.
15765 (bits_size): Remove.
15766 * src/warshall.h, src/warshall.c: Convert to bitsetv.
15767
157682002-03-04 Akim Demaille <akim@epita.fr>
15769
15770 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
15771 * src/reduce.c: Remove the `bitset_zero's following the
15772 `bitset_create's, as now it is performed by the latter.
15773
157742002-03-04 Akim Demaille <akim@epita.fr>
15775
15776 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
15777 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
15778 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
15779 latest sources from Michael.
15780
157812002-03-04 Akim Demaille <akim@epita.fr>
15782
15783 * src/output.c (output): Don't free the grammar.
15784 * src/reader.c (grammar_free): New.
15785 * src/main.c (main): Call it and don't free symtab here.
15786
157872002-03-04 Akim Demaille <akim@epita.fr>
15788
15789 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
15790 before returning.
15791 Reported by Benoit Perrot.
15792
157932002-03-04 Akim Demaille <akim@epita.fr>
15794
15795 Use bitset operations when possible, not loops over bits.
15796
15797 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
15798 bitset_or.
15799 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
15800 * src/reduce.c (useless_nonterminals): Formatting changes.
15801 * src/warshall.c (TC): Use bitset_or.
15802
158032002-03-04 Akim Demaille <akim@epita.fr>
15804
15805 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
15806 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
15807 Ditto.
15808
158092002-03-04 Akim Demaille <akim@epita.fr>
15810
15811 * src/lalr.c (F): Now a bitset*.
15812 Adjust all dependencies.
15813
158142002-03-04 Akim Demaille <akim@epita.fr>
15815
15816 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
15817 Adjust all dependencies.
15818
158192002-03-04 Akim Demaille <akim@epita.fr>
15820
15821 * src/L0.c, src/LR0.h (nstates): Be size_t.
15822 Adjust comparisons (signed vs unsigned).
15823 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
15824 bitset*.
15825 Adjust all dependencies.
15826
158272002-03-04 Akim Demaille <akim@epita.fr>
15828
15829 * src/closure.c (firsts): Now, also a bitset.
15830 Adjust all dependencies.
15831 (varsetsize): Remove, now unused.
15832 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
15833
158342002-03-04 Akim Demaille <akim@epita.fr>
15835
15836 * src/print.c: Convert to use bitset.h, not hand coded iterations
15837 over ints.
15838
158392002-03-04 Akim Demaille <akim@epita.fr>
15840
15841 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
15842
158432002-03-04 Akim Demaille <akim@epita.fr>
15844
15845 * src/closure.c (ruleset): Be a bitset.
15846 (rulesetsize): Remove.
15847
158482002-03-04 Akim Demaille <akim@epita.fr>
15849
15850 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
15851 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
15852 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
15853 * src/closure.c (fderives): Be an array of bitsets.
15854
158552002-02-28 Robert Anisko <robert@lrde.epita.fr>
15856
15857 * data/bison.c++: Merge the two generated headers. Insert a copyright
15858 notice in each output file.
15859
158602002-02-28 Akim Demaille <akim@epita.fr>
15861
15862 * data/bison.c++: Copy the prologue of bison.simple to fetch
15863 useful M4 definitions, such as b4_header_guard.
15864
158652002-02-25 Akim Demaille <akim@epita.fr>
15866
15867 * src/getargs.c (version): Give the name of the authors, and use a
15868 translator friendly scheme for the bgr
15869 copyright notice.
15870
158712002-02-25 Akim Demaille <akim@epita.fr>
15872
15873 * src/output.c (header_output): Remove, now handled completely via
15874 M4.
15875
158762002-02-25 Akim Demaille <akim@epita.fr>
15877
15878 * m4/m4.m4: New, from CVS Autoconf.
15879 * configure.in: Invoke it.
15880 * src/output.c (output_skeleton): Use its result instead of the
15881 hard coded name.
15882
158832002-02-25 Akim Demaille <akim@epita.fr>
15884
15885 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
15886 Fileutils 4.1.5.
15887 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
15888 * src/output.c (output_skeleton): Use mkstemp to create a real
15889 temporary file.
15890 Move the filling of `skeleton' and its muscle to...
15891 (prepare): here.
15892 (output): Move the definition of the prologue muscle to...
15893 (prepare): here.
15894 * src/system.h (DEFAULT_TMPDIR): New.
15895
158962002-02-14 Paul Eggert <eggert@twinsun.com>
15897
15898 Remove the support for C++ namespace cleanliness; it was
15899 causing more problems than it was curing, since it didn't work
15900 properly on some nonstandard C++ compilers. This can wait
15901 for a proper C++ parser.
15902
15903 * NEWS: Document this.
15904 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
15905 of C++, as it's treated like C now.
15906 * src/bison.simple (YYSTD): Remove.
15907 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
15908 Treat C++ just like Standard C instead of trying to support
15909 namespace cleanliness.
15910
159112002-02-14 Akim Demaille <akim@epita.fr>
15912
15913 * tests/regression.at (else): Adjust to Andreas' change.
15914
159152002-02-14 Akim Demaille <akim@epita.fr>
15916
15917 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
15918
159192002-02-13 Andreas Schwab <schwab@suse.de>
15920
15921 * src/output.c (output_rule_data): Don't output NULL, it might
15922 not be defined yet.
15923
159242002-02-11 Robert Anisko <robert@lrde.epita.fr>
15925
15926 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
15927 (Copyright notice): Update.
15928
159292002-02-11 Akim Demaille <akim@epita.fr>
15930
15931 * tests/regression.at (%nonassoc and eof): Don't include
15932 nonportable headers.
15933
159342002-02-08 Robert Anisko <robert@lrde.epita.fr>
15935
15936 * data/bison.c++: Correct error recovery. Make the user able to
15937 initialize the starting location.
15938
159392002-02-07 Akim Demaille <akim@epita.fr>
15940
15941 * tests/input.at: New.
15942
159432002-02-07 Robert Anisko <robert@lrde.epita.fr>
15944
15945 * data/bison.c++: Replace some direct m4 expansions by constants. Be
15946 more consistent when naming methods and variables. Put preprocessor
15947 directives around tables only needed for debugging.
15948
159492002-02-07 Robert Anisko <robert@lrde.epita.fr>
15950
15951 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
15952 C++ parsers.
15953 (yy::b4_name::parse): Use print_.
15954
159552002-02-07 Robert Anisko <robert@lrde.epita.fr>
15956
15957 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
15958
159592002-02-07 Robert Anisko <robert@lrde.epita.fr>
15960
15961 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
15962 C++ parsers.
15963 (yy::b4_name::parse): Build verbose error messages, and use error_.
15964
159652002-02-06 Robert Anisko <robert@lrde.epita.fr>
15966
15967 * data/bison.c++: Fix m4 quoting in comments.
15968
159692002-02-06 Robert Anisko <robert@lrde.epita.fr>
15970
15971 * data/bison.c++: Adjust the parser code. Fix some muscles that were
15972 not expanded by m4.
15973
159742002-02-05 Akim Demaille <akim@epita.fr>
15975
15976 * data/bison.c++: Adjust to the M4 back end.
15977 More is certainly needed.
15978
159792002-02-05 Akim Demaille <akim@epita.fr>
15980
15981 Give a try to M4 as a back end.
15982
15983 * lib/readpipe.c: New, from wdiff.
15984 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
15985 BISON_HAIRY.
15986 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
15987 specific values. Now it is m4 that performs the lookup.
15988 * src/parse-skel.y: Remove.
15989 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
15990 * src/output.c (actions_output, guards_output)
15991 (token_definitions_output): No longer keeps track of the output
15992 line number, hence remove the second argument.
15993 (guards_output): Check against the guard member of a rule, not the
15994 action member.
15995 Adjust callers.
15996 (output_skeleton): Don't look for the skeleton location, let m4 do
15997 that.
15998 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
15999 file will be used.
16000 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
16001 (prepare): Given that for the time being changesyntax is not
16002 usable in M4, rename the muscles using `-' to `_'.
16003 Define `defines_flag', `output_parser_name' and `output_header_name'.
16004 * src/output.h (actions_output, guards_output)
16005 (token_definitions_output): Adjust prototypes.
16006 * src/scan-skel.l: Instead of scanning the skeletons, it now
16007 processes the output of m4: `__oline__' and `#output'.
16008 * data/bison.simple: Adjust to be used by M4(sugar).
16009 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
16010 to date.
16011 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
16012 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
16013 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
16014 shamelessly stolen from CVS Autoconf.
16015
160162002-02-05 Akim Demaille <akim@epita.fr>
16017
16018 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
16019 * configure.in: Check for the declarations of free and malloc.
16020 * src/muscle_tab.c: Adjust.
16021
160222002-02-05 Akim Demaille <akim@epita.fr>
16023
16024 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
16025 which have no values.
16026
160272002-02-05 Akim Demaille <akim@epita.fr>
16028
16029 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
16030 * data/: here.
16031
160322002-01-29 Paul Eggert <eggert@twinsun.com>
16033
16034 * src/bison.simple (YYSIZE_T): Do not define merely because
16035 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
16036 On some platforms, <alloca.h> does not declare YYSTD (size_t).
16037
160382002-01-27 Akim Demaille <akim@epita.fr>
16039
16040 Fix `%nonassoc and eof'.
16041
16042 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
16043 which were not properly copied! Replace
16044 memcpy (res->errs, src->errs, src->nerrs);
16045 with
16046 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
16047 !!!
16048 * tests/regression.at (%nonassoc and eof): Adjust to newest
16049 Autotest: `.' is not in the PATH.
16050
160512002-01-27 Akim Demaille <akim@epita.fr>
16052
16053 * tests/sets.at (AT_EXTRACT_SETS): New.
16054 (Nullable): Use it.
16055 (Firsts): New.
16056
160572002-01-26 Akim Demaille <akim@epita.fr>
16058
16059 * tests/actions.at, tests/calc.at, tests/headers.at,
16060 * tests/torture.at: Adjust to the newest Autotest which no longer
16061 forces `.' in the PATH.
16062
160632002-01-25 Akim Demaille <akim@epita.fr>
16064
16065 * tests/regression.at (%nonassoc and eof): New.
16066 Suggested by Robert Anisko.
16067
160682002-01-24 Akim Demaille <akim@epita.fr>
16069
16070 Bison dumps core when trying to complain about broken input files.
16071 Reported by Cris van Pelt.
16072
16073 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
16074 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
16075 into...
16076 (Invalid inputs): Strengthen: exercise parse_percent_token.
16077
160782002-01-24 Robert Anisko <robert.anisko@epita.fr>
16079
16080 * src/Makefile.am: Add bison.c++.
16081 * src/bison.c++: New skeleton.
16082
160832002-01-21 Paolo Bonzini <bonzini@gnu.org>
16084
16085 * po/it.po: New.
16086
160872002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
16088
16089 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
16090
160912002-01-20 Marc Autret <marc@gnu.org>
16092
16093 * src/files.c (compute_output_file_names): Fix
16094
160952002-01-20 Marc Autret <marc@gnu.org>
16096
16097 * tests/output.at: New test.
16098 * src/files.c (compute_base_names): Don't map extensions when
16099 the YACC flag is set, use defaults.
16100 Reported by Evgeny Stambulchik.
16101
161022002-01-20 Marc Autret <marc@gnu.org>
16103
16104 * src/system.h: Need to define __attribute__ away for non-GCC
16105 compilers as well (i.e., the vendor C compiler).
16106 Suggested by Albert Chin-A-Young.
16107
161082002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
16109
16110 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
16111 canonical definition.
16112 * src/system.h: Use the canonical definition for PARAMS (avoids
16113 a conflict with the macro from lib/hash.h).
16114
161152002-01-11 Akim Demaille <akim@epita.fr>
16116
16117 * configure.in: Use AC_FUNC_STRNLEN.
16118 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
16119
161202002-01-09 Akim Demaille <akim@epita.fr>
16121
16122 * src/files.c, src/files.h (output_infix): New.
16123 (tab_extension): Remove.
16124 (compute_base_names): Compute the former, drop the latter.
16125 * src/output.c (prepare): Insert the muscles `output-infix', and
16126 `output-suffix'.
16127 * src/parse-skel.y (string, string.1): New.
16128 (section.header): Use it.
16129 (section.yacc): Remove.
16130 (prefix): Remove too.
16131 * src/scan-skel.l: Adjust.
16132 * src/bison.simple, src/bison.hairy: Adjust.
16133
161342002-01-09 Akim Demaille <akim@epita.fr>
16135
16136 * configure.in (WERROR_CFLAGS): Compute it.
16137 * src/Makefile.am (CFLAGS): Pass it.
16138 * tests/atlocal.in (CFLAGS): Idem.
16139 * src/files.c: Fix a few warnings.
16140 (get_extension_index): Remove, unused.
16141
161422002-01-08 Akim Demaille <akim@epita.fr>
16143
16144 * src/getargs.c (AS_FILE_NAME): New.
16145 (getargs): Use it to convert DOSish file names.
16146 * src/files.c (base_name): Rename as full_base_name to avoid
16147 clashes with `base_name ()'.
16148 (filename_split): New.
16149 (compute_base_names): N-th rewrite, using filename_split.
16150
161512002-01-08 Akim Demaille <akim@epita.fr>
16152
16153 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
16154 New, stolen from the Fileutils 4.1.
16155 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
16156 * configure.in: Check for the presence of memrchr, and of its
16157 prototype.
16158
161592002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
16160
16161 * lib/hash.h (__P): Added definition for this macro.
16162 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
16163 BUILT_SOURCES, to ensure they are generated first.
16164 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
16165 %error-verbose to allow bootstrapping with bison 1.30x.
16166
161672002-01-06 Akim Demaille <akim@epita.fr>
16168
16169 * src/reader.c (parse_braces): Don't fetch the next char, the
16170 convention is to fetch on entry.
16171 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
16172 'switch' without a following semicolon.
16173 * tests/regression.at (braces parsing): New.
16174
161752002-01-06 Akim Demaille <akim@epita.fr>
16176
16177 Bison is dead wrong in its RR conflict reports.
16178
16179 * tests/torture.at (GNU Cim Grammar): New.
16180 * src/conflicts.c (count_rr_conflicts): Fix.
16181
161822002-01-06 Akim Demaille <akim@epita.fr>
16183
16184 Creating package.m4 from configure.ac causes too many problems.
16185
16186 * tests/Makefile.am (package.m4): Create it by hand,
16187 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
16188
161892002-01-06 Akim Demaille <akim@epita.fr>
16190
16191 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
16192 skeleton.h.
16193
161942002-01-04 Paul Eggert <eggert@twinsun.com>
16195
16196 * doc/bison.texinfo (Debugging):
16197 Remove YYSTDERR; it's no longer defined or used.
16198 Also, s/cstdio.h/cstdio/.
16199
162002002-01-03 Akim Demaille <akim@epita.fr>
16201
16202 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
16203
162042002-01-03 Akim Demaille <akim@epita.fr>
16205
16206 * src/parse-skel.y (process_skeleton): Don't bind the parser's
16207 tracing code to --trace, wait for a better --trace option, with
16208 args.
16209
162102002-01-03 Akim Demaille <akim@epita.fr>
16211
16212 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
16213 The ISO C++ standard is extremely clear about it: stderr is
16214 considered a macro, not a regular symbol (see table 94 `Header
16215 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
16216 Therefore std:: does not apply to it. It still does with fprintf.
16217 Also, s/cstdio.h/cstdio/.
16218
162192002-01-03 Akim Demaille <akim@epita.fr>
16220
16221 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
16222 for non system headers.
16223
162242002-01-02 Akim Demaille <akim@epita.fr>
16225
16226 Equip the skeleton chain with location tracking, runtime trace,
16227 pure parser and scanner.
16228
16229 * src/parse-skel.y: Request a pure parser, locations, and prefix
16230 renaming.
16231 (%union): Having several members with the same type does not help
16232 type mismatches, simplify.
16233 (YYPRINT, yyprint): New.
16234 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
16235 (skel_error): this.
16236 Handle locations.
16237 * src/scan-skel.l: Adjust to these changes.
16238 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
16239 (LOCATION_PRINT, skel_control_t): New.
16240
162412001-12-30 Akim Demaille <akim@epita.fr>
16242
16243 * src/parse-skel.y: Get rid of the shift/reduce conflict:
16244 replace `gb' with BLANKS.
16245 * src/scan-skel.l: Adjust.
16246
162472001-12-30 Akim Demaille <akim@epita.fr>
16248
16249 * src/system.h: We don't need nor want bcopy.
16250 Throw away MS-DOS crap: we don't need getpid.
16251 * configure.in: We don't need strndup. It was even causing
16252 problems: because Flex includes the headers *before* us,
16253 _GNU_SOURCE is not defined by config.h, and therefore strndup was
16254 not visible.
16255 * lib/xstrndup.c: New.
16256 * src/scan-skel.l: Use it.
16257 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
16258 * src/parse-skel.y: Use %directives instead of #defines.
16259
162602001-12-30 Akim Demaille <akim@epita.fr>
16261
16262 * src/skeleton.h: New.
16263 * src/output.c (output_parser, output_master_parser): Remove, dead
16264 code.
16265 * src/output.h (get_lines_number, actions_output, guards_output)
16266 (token_definitions_output): Prototype them.
16267 * src/parse-skel.y: Add the license notice.
16268 Include output.h and skeleton.h.
16269 (process_skeleton): Returns void, and takes a single parameter.
16270 * src/scan-skel.l: Add the license notice.
16271 Include skeleton.h.
16272 Don't use %option yylineno: it seems that then Flex imagines
16273 REJECT has been used, and therefore it won't reallocate its
16274 buffers (which makes no other sense to me than a bug). It results
16275 in warnings for `unused: yy_flex_realloc'.
16276
162772001-12-30 Robert Anisko <robert.anisko@epita.fr>
16278
16279 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
16280 (MUSCLE_INSERT_PREFIX): ...to there.
16281 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
16282 (MUSCLE_INSERT_PREFIX): Move from here...
16283
16284 * src/bison.hairy: Add a section directive. Put braces around muscle
16285 names. This parser skeleton is still broken, but Bison should not
16286 choke on a bad muscle 'syntax'.
16287 * src/bison.simple: Add a section directive. Put braces around muscle
16288 names.
16289
16290 * src/files.h (strsuffix, stringappend): Add declarations.
16291 (tab_extension): Add declaration.
16292 (short_base_name): Add declaration.
16293
16294 * src/files.c (strsuffix, stringappend): No longer static. These
16295 functions are used in the skeleton parser.
16296 (tab_extension): New.
16297 (compute_base_names): Use the computations done in this function
16298 to guess if the generated parsers should have '.tab' in their
16299 names.
16300 (short_base_name): No longer static.
16301
16302 * src/output.c (output_skeleton): New.
16303 (output): Disable call to output_master_parser, and give a try to
16304 a new skeleton handling system.
16305 (guards_output, actions_output): No longer static.
16306 (token_definitions_output, get_lines_number): No longer static.
16307
16308 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
16309
16310 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
16311 parse-skel.y.
16312
16313 * src/parse-skel.y: New file.
16314 * src/scan-skel.l: New file.
16315
163162001-12-29 Akim Demaille <akim@epita.fr>
16317
16318 %name-prefix is broken.
16319
16320 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
16321 Adjust all dependencies.
16322 * tests/headers.at (export YYLTYPE): Strengthen this test: use
16323 %name-prefix.
16324
16325 Renaming yylval but not yylloc is not consistent. Now we do.
16326
16327 * src/bison.simple: Prefix yylloc if used.
16328 * doc/bison.texinfo (Decl Summary): Document that.
16329
163302001-12-29 Akim Demaille <akim@epita.fr>
16331
16332 * doc/bison.texinfo: Promote `%long-directive' over
16333 `%long_directive'.
16334 Remove all references to fixed-output-files, yacc is enough.
16335
163362001-12-29 Akim Demaille <akim@epita.fr>
16337
16338 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
16339 user prologue. These are defaults.
16340 * tests/actions.at (Mid-rule actions): Make sure the user can
16341 define YYDEBUG and YYERROR_VERBOSE.
16342
163432001-12-29 Akim Demaille <akim@epita.fr>
16344
16345 * src/output.c (header_output): Don't forget to export YYLTYPE and
16346 yylloc.
16347 * tests/headers.at (export YYLTYPE): New, make sure it does.
16348 * tests/regression.at (%union and --defines, Invalid CPP headers):
16349 Move to...
16350 * tests/headers.at: here.
16351
163522001-12-29 Akim Demaille <akim@epita.fr>
16353
16354 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
16355
163562001-12-29 Akim Demaille <akim@epita.fr>
16357
16358 * tests/actions.at (Mid-rule actions): Output on a single line
16359 instead of several.
16360
163612001-12-29 Akim Demaille <akim@epita.fr>
16362
16363 * doc/bison.texinfo: Formatting changes.
16364
163652001-12-29 Akim Demaille <akim@epita.fr>
16366
16367 Don't store the token defs in a muscle, just be ready to output it
16368 on command. Now possible via `symbols'. Fixes a memory leak.
16369
16370 * src/output.c (token_definitions_output): New.
16371 (output_parser, header_output): Use it.
16372 * src/reader.c (symbols_save): Remove.
16373
163742001-12-29 Akim Demaille <akim@epita.fr>
16375
16376 * src/bison.simple: Do not provide a default for YYSTYPE and
16377 YYLTYPE before the user's prologue. Otherwise it's hardly... a
16378 default.
16379
163802001-12-29 Akim Demaille <akim@epita.fr>
16381
16382 Mid-rule actions are simply... ignored!
16383
16384 * src/reader.c (readgram): Be sure to attach mid-rule actions to
16385 the empty-rule associated to the dummy symbol, not to the host
16386 rule.
16387 * tests/actions.at (Mid-rule actions): New.
16388
163892001-12-29 Akim Demaille <akim@epita.fr>
16390
16391 Memory leak.
16392
16393 * src/reader.c (reader): Free grammar.
16394
163952001-12-29 Akim Demaille <akim@epita.fr>
16396
16397 Memory leak.
16398
16399 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
16400 since it allocates it for each state, although only one is needed.
16401 (allocate_storage): Do it here.
16402
164032001-12-29 Akim Demaille <akim@epita.fr>
16404
16405 * src/options.h, src/options.c (create_long_option_table): Rename
16406 as...
16407 (long_option_table_new): this, with a clearer prototype.
16408 (percent_table): Remove, unused,
16409 * src/getargs.c (getargs): Adjust.
16410
164112001-12-29 Akim Demaille <akim@epita.fr>
16412
16413 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
16414 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
16415 as states.
16416
164172001-12-29 Akim Demaille <akim@epita.fr>
16418
16419 * src/lalr.c (build_relations): Rename `states' as `states1'.
16420 Sorry, I don't understand exactly what it is, no better name...
16421
164222001-12-29 Akim Demaille <akim@epita.fr>
16423
16424 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
16425 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
16426 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
16427 as rules.
16428
164292001-12-29 Akim Demaille <akim@epita.fr>
16430
16431 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
16432 ago.
16433
164342001-12-29 Akim Demaille <akim@epita.fr>
16435
16436 * src/reader.c, src/reader.h (user_toknums): Remove.
16437 Adjust all users to use symbols[i]->user_token_number.
16438
164392001-12-29 Akim Demaille <akim@epita.fr>
16440
16441 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
16442 Adjust all users to use symbols[i]->prec or ->assoc.
16443
164442001-12-29 Akim Demaille <akim@epita.fr>
16445
16446 * src/reader.c, src/reader.h (tags): Remove.
16447 Adjust all users to use symbols[i]->tag.
16448
164492001-12-29 Akim Demaille <akim@epita.fr>
16450
16451 * src/gram.h, src/gram.c (symbols): New, similar to state_table
16452 and rule_table.
16453 * src/reader.c (packsymbols): Fill this table.
16454 Drop sprec.
16455 * src/conflicts.c (resolve_sr_conflict): Adjust.
16456 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
16457 single table.
16458 Use symbols[i]->tag instead of tags[i].
16459
164602001-12-29 Akim Demaille <akim@epita.fr>
16461
16462 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
16463 In addition, put a comment in there, to replace...
16464 * tests/regression.at (%union and C comments): Remove.
16465
164662001-12-29 Akim Demaille <akim@epita.fr>
16467
16468 * tests/regression.at (Web2c Actions): Blindly move the actual
16469 output as expected output. The contents *seem* right to me, but I
16470 can't pretend reading perfectly parser tables... Nonetheless, all
16471 the other tests pass correctly, the table look OK, even though the
16472 presence of `$axiom' is to be noted: AFAICS it is useless (but
16473 harmless).
16474
164752001-12-29 Akim Demaille <akim@epita.fr>
16476
16477 * src/reader.c (readgram): Don't add the rule 0 if there were no
16478 rules read. In other words, add it _after_ having performed
16479 grammar sanity checks.
16480 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
16481
164822001-12-29 Akim Demaille <akim@epita.fr>
16483
16484 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
16485 visible, and some states have now a different number.
16486
164872001-12-29 Akim Demaille <akim@epita.fr>
16488
16489 * src/reader.c (readgram): Bind the initial rule's lineno to that
16490 of the first rule.
16491 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
16492 (Solved SR Conflicts): Adjust rule 0's line number.
16493
164942001-12-29 Akim Demaille <akim@epita.fr>
16495
16496 Fix the `GAWK Grammar' failure.
16497
16498 * src/LR0.c (final_state): Initialize to -1 so that we do compute
16499 the reductions of the first state which was mistakenly confused
16500 with the final state because precisely final_state was initialized
16501 to 0.
16502 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
16503 now noticed by Bison.
16504 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
16505 have a reduction on $default.
16506
165072001-12-29 Akim Demaille <akim@epita.fr>
16508
16509 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
16510 rule line numbers.
16511 * src/closure.c (print_closure): Likewise.
16512 * src/derives.c (print_derives): Likewise.
16513 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
16514 now.
16515
165162001-12-29 Akim Demaille <akim@epita.fr>
16517
16518 * src/lalr.c (lookaheads_print): New.
16519 (lalr): Call it when --trace-flag.
16520 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
16521 are dumped.
16522
165232001-12-29 Akim Demaille <akim@epita.fr>
16524
16525 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
16526 when walking through ritem, even via rule->rhs.
16527 * src/reduce.c (dump_grammar, useful_production, reduce_output)
16528 (useful_production, useless_nonterminals): Likewise.
16529 (reduce_grammar_tables): Likewise, plus update nritems.
16530 * src/nullable.c (set_nullable): Likewise.
16531 * src/lalr.c (build_relations): Likewise.
16532 * tests/sets.at (Nullable): Adjust.
16533 Fortunately, now, the $axiom is no longer nullable.
16534
165352001-12-29 Akim Demaille <akim@epita.fr>
16536
16537 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
16538 the 0-sentinel.
16539 * src/gram.c (ritem_longest_rhs): Likewise.
16540 * src/reduce.c (nonterminals_reduce): Likewise.
16541 * src/print_graph.c (print_graph): Likewise.
16542 * src/output.c (output_rule_data): Likewise.
16543 * src/nullable.c (set_nullable): Likewise.
16544
165452001-12-29 Akim Demaille <akim@epita.fr>
16546
16547 * src/output.c: Comment changes.
16548
165492001-12-27 Paul Eggert <eggert@twinsun.com>
16550
16551 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
16552 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
16553 Sparc, as they were causing more porting problems than the
16554 (minor) performance improvement was worth.
16555
16556 Also, catch up with 1.31's YYSTD.
16557
165582001-12-27 Akim Demaille <akim@epita.fr>
16559
16560 * src/output.c (output_gram): Rely on nritems, not the
16561 0-sentinel. See below.
16562 Use -1 as separator, not 0.
16563 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
16564 Rely on -1 as separator in yyrhs, instead of 0.
16565 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
16566 twice `Now at end of input', therefore there are two lines less to
16567 expect.
16568
165692001-12-27 Akim Demaille <akim@epita.fr>
16570
16571 * tests/regression.at (Unresolved SR Conflicts):
16572 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
16573 below.
16574
165752001-12-27 Akim Demaille <akim@epita.fr>
16576
16577 * src/LR0.c (new_state): Recognize the final state by the fact it
16578 is reached by eoftoken.
16579 (insert_start_shifting_state, insert_eof_shifting_state)
16580 (insert_accepting_state, augment_automaton): Remove, since now
16581 these states are automatically computed from the initial state.
16582 (generate_states): Adjust.
16583 * src/print.c: When reporting a rule number to the user, substract
16584 1, so that the axiom rule is rule 0, and the first user rule is 1.
16585 * src/reduce.c: Likewise.
16586 * src/print_graph.c (print_core): For the time being, just as for
16587 the report, depend upon --trace-flags to dump the full set of
16588 items.
16589 * src/reader.c (readgram): Once the grammar read, insert the rule
16590 0: `$axiom: START-SYMBOL $'.
16591 * tests/set.at: Adjust: rule 0 is now displayed, and since the
16592 number of the states has changed (the final state is no longer
16593 necessarily the last), catch up.
16594
165952001-12-27 Akim Demaille <akim@epita.fr>
16596
16597 Try to make the use of the eoftoken valid. Given that its value
16598 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
16599 is used instead of > 0 where appropriate, (ii), depend upon nritems
16600 instead of the 0-sentinel.
16601
16602 * src/gram.h, src/gram.c (nritems): New.
16603 Expected to be duplication of nitems, but for the time being...
16604 * src/reader.c (packgram): Assert nritems and nitems are equal.
16605 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
16606 * src/closure.c (print_closure, print_fderives): Likewise.
16607 * src/gram.c (ritem_print): Likewise.
16608 * src/print.c (print_core, print_grammar): Likewise.
16609 * src/print_graph.c: Likewise.
16610
166112001-12-27 Akim Demaille <akim@epita.fr>
16612
16613 * src/main.c (main): If there are complains after grammar
16614 reductions, then output the report anyway if requested, then die.
16615 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
16616 * src/reader.c (eoftoken): New.
16617 (parse_token_decl): If the token being defined has value `0', it
16618 is the eoftoken.
16619 (packsymbols): No longer hack `tags' to insert `$' by hand.
16620 Be sure to preserve the value of the eoftoken.
16621 (reader): Make sure eoftoken is defined.
16622 Initialize nsyms to 0: now eoftoken is created just like the others.
16623 * src/print.c (print_grammar): Don't special case the eof token.
16624 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
16625 lie anyway, albeit pleasant.
16626 * tests/calc.at: Exercise error messages with eoftoken.
16627 Change the grammar so that empty input is invalid.
16628 Adjust expectations.
16629 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
16630
166312001-12-27 Akim Demaille <akim@epita.fr>
16632
16633 * configure.in: Check the protos of strchr ans strspn.
16634 Replace strchr if needed.
16635 * src/system.h: Provide the protos of strchr, strspn and memchr if
16636 missing.
16637 * lib/strchr.c: New.
16638 * src/reader.c (symbols_save): Use strchr.
16639
166402001-12-27 Akim Demaille <akim@epita.fr>
16641
16642 * src/print.c, src/print_graph.c (escape): New.
16643 Use it to quote the TAGS outputs.
16644 * src/print_graph.c (print_state): Now errors are in red, and
16645 reductions in green.
16646 Prefer high to wide: output the state number on a line of its own.
16647
166482001-12-27 Akim Demaille <akim@epita.fr>
16649
16650 * src/state.h, src/state.c (reductions_new): New.
16651 * src/LR0.c (set_state_table): Let all the states have a
16652 `reductions', even if reduced to 0.
16653 (save_reductions): Adjust.
16654 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
16655 * src/print.c (print_reductions, print_actions): Adjust.
16656 * src/output.c (action_row): Adjust.
16657
166582001-12-27 Akim Demaille <akim@epita.fr>
16659
16660 * src/state.h, src/state.c (errs_new, errs_dup): New.
16661 * src/LR0.c (set_state_table): Let all the states have an errs,
16662 even if reduced to 0.
16663 * src/print.c (print_errs, print_reductions): Adjust.
16664 * src/output.c (output_actions, action_row): Adjust.
16665 * src/conflicts.c (resolve_sr_conflict): Adjust.
16666
166672001-12-27 Akim Demaille <akim@epita.fr>
16668
16669 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
16670
166712001-12-27 Akim Demaille <akim@epita.fr>
16672
16673 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
16674 * src/print.c: here.
16675 (lookaheadset, shiftset): New, used as additional storage by
16676 print_reductions.
16677 (print_results): Adjust.
16678 (print_shifts, print_gotos, print_errs): New, extracted from...
16679 (print_actions): here.
16680 * src/print_graph.c (print_actions): Remove dead code.
16681
166822001-12-27 Akim Demaille <akim@epita.fr>
16683
16684 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
16685 `$n' and `@n'.
16686
166872001-12-27 Akim Demaille <akim@epita.fr>
16688
16689 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
16690 (build_relations): Adjust.
16691
166922001-12-27 Akim Demaille <akim@epita.fr>
16693
16694 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
16695 duplication.
16696
166972001-12-27 Akim Demaille <akim@epita.fr>
16698
16699 * src/reader.c (packgram): Catch nitems overflows.
16700
167012001-12-27 Akim Demaille <akim@epita.fr>
16702
16703 * src/files.c, src/files.h (guard_obstack): Remove.
16704 * src/output.c (output): Adjust.
16705 * src/reader.c (parse_braces): New, factoring...
16706 (copy_action, copy_guard): these two which are renamed as...
16707 (parse_action, parse_guard): these.
16708 As a voluntary consequence, using braces around guards is now
16709 mandatory.
16710
167112001-12-27 Akim Demaille <akim@epita.fr>
16712
16713 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
16714 * src/reader.c (symbol_list): `guard' and `guard_line' are new
16715 members.
16716 (symbol_list_new): Adjust.
16717 (copy_action): action_line is the first line, not the last.
16718 (copy_guard): Just as for actions, store the `action' only, not
16719 the switch/case/break flesh.
16720 Don't parse the user action that might follow the guard, let...
16721 (readgram): do it, i.e., now, there can be an action after a
16722 guard.
16723 In other words the guard is just explicitly optional.
16724 (packgram): Adjust.
16725 * src/output.c (guards_output): New.
16726 (output_parser): Call it when needed.
16727 (output): Also free the guard and attrs obstacks.
16728 * src/files.c, src/files.h (obstack_save): Remove.
16729 (output_files): Remove.
16730 As a result, if one needs the former `.act' file, using an
16731 appropriate skeleton which requires actions and guards is now
16732 required.
16733 * src/main.c (main): Adjust.
16734 * tests/semantic.at: New.
16735 * tests/regression.at: Use `input.y' as input file name.
16736 Avoid 8+3 problems by requiring input.c when the test needs the
16737 parser.
16738
167392001-12-27 Akim Demaille <akim@epita.fr>
16740
16741 * src/reader.c (symbol_list_new): Be sure to initialize all the
16742 fields.
16743
167442001-12-27 Akim Demaille <akim@epita.fr>
16745
16746 All the hacks using a final pseudo state are now useless.
16747
16748 * src/LR0.c (set_state_table): state_table holds exactly nstates.
16749 * src/lalr.c (nLA): New.
16750 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
16751 instead of lookaheadsp from the pseudo state (nstate + 1).
16752
167532001-12-27 Akim Demaille <akim@epita.fr>
16754
16755 * src/output.c (action_row, token_actions): Use a state_t instead
16756 of a integer, and nlookaheads instead of the following state's
16757 lookaheadsp.
16758
167592001-12-27 Akim Demaille <akim@epita.fr>
16760
16761 * src/conflicts.c (log_resolution, flush_shift)
16762 (resolve_sr_conflict, set_conflicts, solve_conflicts)
16763 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
16764 (conflicts_print, print_reductions): Use a state_t instead of an
16765 integer when referring to a state.
16766 As much as possible, depend upon nlookaheads, instead of the
16767 `lookaheadsp' member of the following state (since lookaheads of
16768 successive states are successive, the difference between state n + 1
16769 and n served as the number of lookaheads for state n).
16770 * src/lalr.c (add_lookback_edge): Likewise.
16771 * src/print.c (print_core, print_actions, print_state)
16772 (print_results): Likewise.
16773 * src/print_graph.c (print_core, print_actions, print_state)
16774 (print_graph): Likewise.
16775 * src/conflicts.h: Adjust.
16776
167772001-12-27 Akim Demaille <akim@epita.fr>
16778
16779 * src/bison.hairy: Formatting/comment changes.
16780 ANSIfy.
16781 Remove `register' indications.
16782 Add plenty of `static'.
16783
167842001-12-27 Akim Demaille <akim@epita.fr>
16785
16786 * src/output.c (prepare): Drop the muscle `ntbase' which
16787 duplicates ntokens.
16788 * src/bison.simple: Formatting/comment changes.
16789 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
16790 is an undocumented synonym.
16791
167922001-12-22 Akim Demaille <akim@epita.fr>
16793
16794 * src/output.c (output_table_data): Change the prototype to use
16795 `int' for array ranges: some invocations do pass an int, not a
16796 short.
16797 Reported by Wayne Green.
16798
167992001-12-22 Akim Demaille <akim@epita.fr>
16800
16801 Some actions of web2c.y are improperly triggered.
16802 Reported by Mike Castle.
16803
16804 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
16805 * tests/regression.at (Web2c): Rename as...
16806 (Web2c Report): this.
16807 (Web2c Actions): New.
16808
168092001-12-22 Akim Demaille <akim@epita.fr>
16810
16811 Reductions in web2c.y are improperly reported.
16812 Reported by Mike Castle.
16813
16814 * src/conflicts.c (print_reductions): Fix.
16815 * tests/regression.at (Web2c): New.
16816
168172001-12-18 Akim Demaille <akim@epita.fr>
16818
16819 Some host fail on `assert (!"foo")', which expands to
16820 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
16821 Reported by Nelson Beebee.
16822
16823 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
16824 `#define it_succeeded 0' and `assert (it_succeeded)'.
16825
168262001-12-17 Marc Autret <autret_m@epita.fr>
16827
16828 * src/bison.simple: Don't hard code the skeleton line and filename.
16829 * src/output.c (output_parser): Rename 'line' as 'output_line'.
16830 New line counter 'skeleton_line' (skeleton-line muscle).
16831
168322001-12-17 Paul Eggert <eggert@twinsun.com>
16833
16834 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
16835 YYDEBUG must be defined to a nonzero value.
16836
16837 * src/bison.simple (yytname): Do not assume that the user defines
16838 YYDEBUG to a properly parenthesized expression.
16839
168402001-12-17 Akim Demaille <akim@epita.fr>
16841
16842 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
16843 nlookaheads is a new member.
16844 Adjust all users.
16845 * src/lalr.h (nlookaheads): Remove this orphan declaration.
16846 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
16847 state.
16848
168492001-12-17 Akim Demaille <akim@epita.fr>
16850
16851 * src/files.h, src/files.c (open_files, close_files): Remove.
16852 * src/main.c (main): Don't open/close files, nor invoke lex_free,
16853 let...
16854 * src/reader.c (reader): Do it.
16855
168562001-12-17 Akim Demaille <akim@epita.fr>
16857
16858 * src/conflicts.c (print_reductions): Formatting changes.
16859
168602001-12-17 Akim Demaille <akim@epita.fr>
16861
16862 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
16863 (flush_reduce): New.
16864 (resolve_sr_conflict): Adjust.
16865
168662001-12-17 Akim Demaille <akim@epita.fr>
16867
16868 * src/output.c (output_obstack): Be static and rename as...
16869 (format_obstack): this, to avoid any confusion with files.c's
16870 output_obstack.
16871 * src/reader.h (muscle_obstack): Move to...
16872 * src/output.h: here, since it's defined in output.c.
16873
168742001-12-17 Akim Demaille <akim@epita.fr>
16875
16876 * src/output.c (action_row, save_column, default_goto)
16877 (sort_actions, matching_state, pack_vector): Better variable
16878 locality.
16879
168802001-12-17 Akim Demaille <akim@epita.fr>
16881
16882 * src/output.c: Various formatting changes.
16883
168842001-12-17 Akim Demaille <akim@epita.fr>
16885
16886 * src/files.c (output_files): Free the output_obstack.
16887 * src/main.c (main): Call print and print_graph conditionally.
16888 * src/print.c (print): Work unconditionally.
16889 * src/print_graph.c (print_graph): Work unconditionally.
16890 * src/conflicts.c (log_resolution): Output only if verbose_flag.
16891
168922001-12-16 Marc Autret <autret_m@epita.fr>
16893
16894 * src/output.c (actions_output): Fix. When we use %no-lines,
16895 there is one less line per action.
16896
168972001-12-16 Marc Autret <autret_m@epita.fr>
16898
16899 * src/bison.simple: Remove a useless #line directive.
16900 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
16901 * src/output.c (get_lines_number): New.
16902 (output_parser): Adjust, now takes care about the lines of a
16903 output muscles.
16904 Fix line numbering.
16905 (actions_output): Computes the number of lines taken by actions.
16906 (output_master_parser): Insert new skeleton which is the name of
16907 the output parser file name.
16908
169092001-12-15 Marc Autret <autret_m@epita.fr>
16910
16911 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
16912
169132001-12-15 Marc Autret <autret_m@epita.fr>
16914
16915 * src/output.c (output_gram): Keep track of the hairy one.
16916
169172001-12-15 Akim Demaille <akim@epita.fr>
16918
16919 Make `make distcheck' work.
16920
16921 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
16922 system.h which uses libgettext.h.
16923
169242001-12-15 Akim Demaille <akim@epita.fr>
16925
16926 * src/nullable.c (set_nullable): Useless rules must be skipped,
16927 otherwise, since we range over their symbols, we might look at a
16928 nonterminal which no longer ``exists'', i.e., it is not counted in
16929 `nvars', hence we overflow our arrays.
16930
169312001-12-15 Akim Demaille <akim@epita.fr>
16932
16933 The header can also be produced directly, without any obstack!
16934 Yahoo!
16935
16936 * src/files.c, src/files.h (defines_obstack): Remove.
16937 (compute_header_macro): Global.
16938 (defines_obstack_save): Remove.
16939 * src/reader.c (parse_union_decl): No longer output to
16940 defines_obstack: its content can be found in the `stype' muscle
16941 anyway.
16942 (output_token_translations): Merge into...
16943 (symbols_output): this.
16944 Rename as...
16945 (symbols_save): this.
16946 (reader): Adjust.
16947 * src/output.c (header_output): New.
16948 (output): Call it.
16949
169502001-12-15 Akim Demaille <akim@epita.fr>
16951
16952 * src/reader.c (parse_union_decl): Instead of handling two obstack
16953 simultaneously, use one to define the `stype' muscle, and use the
16954 value of the latter to fill defines_obstack.
16955 (copy_comment): Remove.
16956 (copy_comment2): Work for a single obstack.
16957 Rename as...
16958 (copy_comment): this.
16959
169602001-12-15 Akim Demaille <akim@epita.fr>
16961
16962 * src/lex.c, src/lex.h (xgetc): No longer static.
16963 * src/reader.c (parse_union_decl): Revamp.
16964
169652001-12-15 Akim Demaille <akim@epita.fr>
16966
16967 Still making progress in separating Bison into (i) input, (ii)
16968 process, (iii) output: now we can directly output the parser file
16969 without using table_obstack at all.
16970
16971 * src/files.c, src/files.h (table_obstack): Bye bye.
16972 (parser_file_name): New.
16973 * src/files.c (compute_output_file_names): Compute it.
16974 * src/output.c (actions_output, output_parser)
16975 (output_master_parser): To a file instead of an obstack.
16976
169772001-12-15 Akim Demaille <akim@epita.fr>
16978
16979 Attach actions to rules, instead of pre-outputting them to
16980 actions_obstack.
16981
16982 * src/gram.h (rule_t): action and action_line are new members.
16983 * src/reader.c (symbol_list): Likewise.
16984 (copy_action): Save the actions within the rule.
16985 (packgram): Save them in rule_table.
16986 * src/output.c (actions_output): New.
16987 (output_parser): Use it on `%%actions'.
16988 (output_rule_data): Don't free rule_table.
16989 (output): Do it.
16990 (prepare): Don't save the `action' muscle.
16991 * src/bison.simple: s/%%action/%%actions/.
16992
169932001-12-15 Akim Demaille <akim@epita.fr>
16994
16995 * src/reader.c (copy_action): When --yacc, don't append a `;'
16996 to the user action: let it fail if lacking.
16997 Suggested by Arnold Robbins and Tom Tromey.
16998
169992001-12-14 Akim Demaille <akim@epita.fr>
17000
17001 * src/lex.c (literalchar): Simply return the char you decoded, non
17002 longer mess around with obstacks and int pointers.
17003 Adjust all callers.
17004
170052001-12-14 Akim Demaille <akim@epita.fr>
17006
17007 * src/lex.c (literalchar): Don't escape the special characters,
17008 just decode them, and keep them as char (before, eol was output as
17009 the 2 char string `\n' etc.).
17010 * src/output.c (output_rule_data): Use quotearg to output the
17011 token strings.
17012
170132001-12-13 Paul Eggert <eggert@twinsun.com>
17014
17015 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
17016 Do not infringe on the global user namespace when using C++.
17017 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
17018 All uses of `fprintf' and `stderr' changed.
17019
17020 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
17021
170222001-12-13 Akim Demaille <akim@epita.fr>
17023
17024 The computation of nullable is broken: it doesn't handle empty
17025 RHS's properly.
17026
17027 * tests/torture.at (GNU AWK Grammar): New.
17028 * tests/sets.at (Nullable): New.
17029 * src/nullable.c (set_nullable): Instead of blindly looping over
17030 `ritems', loop over the rules, and then over their rhs's.
17031
17032 Work around Autotest bugs.
17033
17034 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
17035 frame, because Autotest understand lines starting with a `+' as
17036 traces from the shell. Then, they are not processed properly.
17037 Admittedly an Autotest bug, but we don't have time to wait for
17038 Autotest to catch up.
17039 * tests/regression.at (Broken Closure): Adjust to the new table
17040 frames.
17041 Move to...
17042 * tests/sets.at: here.
17043
170442001-12-13 Akim Demaille <akim@epita.fr>
17045
17046 * src/closure.c (closure): Use nrules instead of playing tricks
17047 with BITS_PER_WORD.
17048
170492001-12-13 Akim Demaille <akim@epita.fr>
17050
17051 * src/print.c (print_actions): Output the handling of `$' as the
17052 traces do: shifting the token EOF. Before EOF was treated as a
17053 nonterminal.
17054 * tests/regression.at: Adjust some tests.
17055 * src/print_graph.c (print_core): Complete the set of items via
17056 closure. The next-to-final and final states are still unsatisfying,
17057 but that's to be addressed elsewhere.
17058 No longer output the rule numbers, but do output the state number.
17059 A single loop for the shifts + gotos is enough, but picked a
17060 distinct color for each.
17061 (print_graph): Initialize and finalize closure.
17062
170632001-12-13 Akim Demaille <akim@epita.fr>
17064
17065 * src/reader.c (readgram): Remove dead code, an strip useless
17066 braces.
17067 (get_type): Remove, unused.
17068
170692001-12-12 Akim Demaille <akim@epita.fr>
17070
17071 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
17072 on that of lib/error.c.
17073
170742001-12-12 Akim Demaille <akim@epita.fr>
17075
17076 Some hosts don't like `/' in includes.
17077
17078 * src/system.h: Include libgettext.h without qualifying the path.
17079 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
17080 $(top_srcdir).
17081
170822001-12-11 Marc Autret <autret_m@epita.fr>
17083
17084 * src/output.c (output_parser): Remove useless muscle.
17085
170862001-12-11 Marc Autret <autret_m@epita.fr>
17087
17088 * src/bison.simple: Remove #line just before %%epilogue. It
17089 is now handled in ...
17090 * src/reader.c (read_additionnal_code): Add the output of a
17091 #line for the epilogue.
17092
170932001-12-10 Marc Autret <autret_m@epita.fr>
17094
17095 * src/reader.c (copy_definition): Re-use CPP-outed code which
17096 replace precedent remove.
17097 * src/bison.simple: Remove #line before %%prologue because
17098 %%input-line is wrong at this time.
17099
171002001-12-10 Marc Autret <autret_m@epita.fr>
17101
17102 * src/reader.c (symbols_output): Clean up.
17103 * src/output.c (output_gram, output): Clean up.
17104
171052001-12-10 Akim Demaille <akim@epita.fr>
17106
17107 * src/lalr.c (initialize_lookaheads): New. Extracted from...
17108 * src/LR0.c (set_state_table): here.
17109 * src/lalr.c (lalr): Call it.
17110
171112001-12-10 Akim Demaille <akim@epita.fr>
17112
17113 * src/state.h (shifts): Remove the `number' member: shifts are
17114 attached to state, hence no longer need to be labelled with a
17115 state number.
17116
171172001-12-10 Akim Demaille <akim@epita.fr>
17118
17119 Now that states have a complete set of members, the linked list of
17120 shifts is useless: just fill directly the state's shifts member.
17121
17122 * src/state.h (shifts): Remove the `next' member.
17123 * src/LR0.c (first_state, last_state): Remove.
17124 Adjust the callers.
17125 (augment_automaton): Don't look for the shifts that must be added
17126 a shift on EOF: it is those of the state we looked for! But now,
17127 since shifts are attached, it is no longer needed to looking
17128 merely by its id: its number.
17129
171302001-12-10 Akim Demaille <akim@epita.fr>
17131
17132 * src/LR0.c (augment_automaton): Better variable locality.
17133 Remove an impossible branch: if there is a state corresponding to
17134 the start symbol being shifted, then there is shift for the start
17135 symbol from the initial state.
17136
171372001-12-10 Akim Demaille <akim@epita.fr>
17138
17139 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
17140 only when appropriate: when insert_start_shifting_state' is not
17141 invoked.
17142 * tests/regression.at (Rule Line Numbers): Adjust.
17143
171442001-12-10 Akim Demaille <akim@epita.fr>
17145
17146 * src/LR0.c (augment_automaton): Now that all states have shifts,
17147 merge the two cases addition shifts to the initial state.
17148
171492001-12-10 Akim Demaille <akim@epita.fr>
17150
17151 * src/lalr.c (set_state_table): Move to...
17152 * src/LR0.c: here.
17153 * src/lalr.c (lalr): Don't call it...
17154 * src/LR0.c (generate_states): do it.
17155 * src/LR0.h (first_state): Remove, only the table is used.
17156
171572001-12-10 Akim Demaille <akim@epita.fr>
17158
17159 * src/LR0.h (first_shift, first_reduction): Remove.
17160 * src/lalr.c: Don't use first_shift: find shifts through the
17161 states.
17162
171632001-12-10 Akim Demaille <akim@epita.fr>
17164
17165 * src/LR0.c: Attach shifts to states as soon as they are
17166 computed.
17167 * src/lalr.c (set_state_table): Instead of assigning shifts to
17168 state, just assert that the mapping was properly done.
17169
171702001-12-10 Akim Demaille <akim@epita.fr>
17171
17172 * src/LR0.c (insert_start_shift): Rename as...
17173 (insert_start_shifting_state): this.
17174 (insert_eof_shifting_state, insert_accepting_state): New.
17175 (augment_automaton): Adjust.
17176 Better locality of the variables.
17177 When looking if the start_symbol is shifted from the initial
17178 state, using `while (... symbol != start_symbol ...)' sounds
17179 better than `while (... symbol < start_symbol ...)': If fail
17180 to see how the order between symbols could be relevant!
17181
171822001-12-10 Akim Demaille <akim@epita.fr>
17183
17184 * src/getargs.h: Don't declare `spec_name_prefix' and
17185 `spec_file_prefix', declared by src/files.h.
17186 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
17187 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
17188 * src/output.c (prepare): Adjust.
17189 * src/reader.c (symbols_output): Likewise.
17190 * src/vmsgetargs.c: Vaguely adjust, but who cares?
17191
171922001-12-10 Akim Demaille <akim@epita.fr>
17193
17194 * src/muscle_tab.c (muscle_init): NULL is a better default than
17195 `"0"'.
17196
171972001-12-10 Akim Demaille <akim@epita.fr>
17198
17199 * src/reader.c (reader): Calling symbols_output once is enough.
17200
172012001-12-10 Akim Demaille <akim@epita.fr>
17202
17203 Now that states have a complete set of members, the linked list of
17204 reductions is useless: just fill directly the state's reductions
17205 member.
17206
17207 * src/state.h (struct reductions): Remove member `number' and
17208 `next'.
17209 * src/LR0.c (first_reduction, last_reduction): Remove.
17210 (save_reductions): Don't link the new reductions, store them in
17211 this_state.
17212 * src/lalr.c (set_state_table): No need to attach reductions to
17213 states, it's already done.
17214 * src/output.c (output_actions): No longer free the shifts, then
17215 the reductions, then the states: free all the states and their
17216 members.
17217
172182001-12-10 Akim Demaille <akim@epita.fr>
17219
17220 * src/options.c (OPTN, DRTV, BOTH): New.
17221 (option_table): Use them.
17222
17223 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
17224 the job of system.h.
17225 * src/options.c: Don't include stdio.h and xalloc.h for the same
17226 reasons.
17227
172282001-12-10 Akim Demaille <akim@epita.fr>
17229
17230 * src/output.c (output, prepare): Make sure the values of the
17231 muscles `action' and `prologue' are 0-terminated.
17232
172332001-12-10 Akim Demaille <akim@epita.fr>
17234
17235 Clean up GCC warnings.
17236
17237 * src/reader.c (copy_action): `buf' is not used.
17238 (parse_skel_decl): Be static.
17239 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
17240 * src/options.h (create_long_option_table): Have a real prototype.
17241 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
17242 (hash_delete_at): Return const void *.
17243 Adjust casts to preserve the const.
17244
172452001-12-10 Akim Demaille <akim@epita.fr>
17246
17247 * configure.in: Require 2.52g.
17248 M4 is not needed, but AUTOM4TE is.
17249 * m4/m4.m4: Remove.
17250 * tests/Makefile.am: Adjust.
17251
172522001-12-10 Akim Demaille <akim@epita.fr>
17253
17254 One structure for states is enough, even though theoretically
17255 there are LR(0) states and LALR(1) states.
17256
17257 * src/lalr.h (state_t): Remove.
17258 (state_table): Be state_t **, not state_t *.
17259 * src/state.h (core, CORE_ALLOC): Rename as...
17260 (state_t, STATE_ALLOC): this.
17261 Add the LALR(1) members: shifts, reductions, errs.
17262 * src/LR0.c (state_table): Rename as...
17263 (state_hash): this, to avoid name clashes with the global
17264 `state_table'.
17265 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
17266 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
17267
172682001-12-10 Akim Demaille <akim@epita.fr>
17269
17270 Bison dumps core on bash.y.
17271 Reported by Pascal Bart.
17272
17273 * src/warshall.c (bitmatrix_print): New.
17274 (TC): Use it.
17275 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
17276 j must be the outer loop.
17277 * tests/regression.at (Broken Closure): New.
17278
172792001-12-05 Akim Demaille <akim@epita.fr>
17280
17281 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
17282 its argument.
17283 Reported by Peter Hamorsky.
17284
172852001-12-05 Akim Demaille <akim@epita.fr>
17286
17287 * src/conflicts.c (err_table): Remove.
17288 (resolve_sr_conflict): Adjust.
17289 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
17290 Rename as...
17291 (state_t.reductions, state_t.shifts): this.
17292
172932001-12-05 Akim Demaille <akim@epita.fr>
17294
17295 * src/reduce.c (reduce_grammar_tables): No longer disable the
17296 removal of useless rules via CPP but via `if (0)', so that the
17297 compiler still check the code is valid.
17298 For instance, it should have noticed `rline' no longer exists: use
17299 the `line' member of rule_t.
17300 * src/gram.c (dummy, rline): Remove, unused.
17301
173022001-12-05 Akim Demaille <akim@epita.fr>
17303
17304 * src/output.c (pack_vector): Use assert, not berror.
17305 * src/main.c (berror): Remove, unused.
17306
173072001-12-05 Akim Demaille <akim@epita.fr>
17308
17309 New experimental feature: if --verbose --trace output all the
17310 items of a state, not only its kernel.
17311
17312 * src/print.c (print_core): If `trace_flag', then invoke closure
17313 before outputting the items of the state (print_core is no longer
17314 a correct name them).
17315 (print_results): Invoke new_closure/free_closure if needed.
17316
173172001-12-05 Akim Demaille <akim@epita.fr>
17318
17319 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
17320 * src/closure.c, src/closure.h (itemsetsize): Rename as...
17321 (nitemset): for consistency with the rest of the project.
17322
173232001-12-05 Akim Demaille <akim@epita.fr>
17324
17325 * src/closure.c (print_closure): Improve.
17326 (closure): Use it for printing input and output.
17327
173282001-12-05 Akim Demaille <akim@epita.fr>
17329
17330 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
17331 indexed by nonterminals.
17332
173332001-12-05 Akim Demaille <akim@epita.fr>
17334
17335 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
17336 what it was!).
17337 * src/warshall.h: Remove accidental duplication of the content.
17338
173392001-12-05 Akim Demaille <akim@epita.fr>
17340
17341 * src/closure.c (set_fderives): De-obfuscate.
17342
173432001-12-05 Akim Demaille <akim@epita.fr>
17344
17345 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
17346
173472001-12-05 Akim Demaille <akim@epita.fr>
17348
17349 * src/closure.c (set_firsts): De-obfuscate.
17350
173512001-12-05 Akim Demaille <akim@epita.fr>
17352
17353 * src/output.c (action_row): De-obfuscate
17354 using the good o' techniques: arrays not pointers, variable
17355 locality, BITISSET, RESETBIT etc.
17356
173572001-12-05 Akim Demaille <akim@epita.fr>
17358
17359 Pessimize the code to simplify it: from now on, all the states
17360 have a valid SHIFTS, which NSHIFTS is possibly 0.
17361
17362 * src/LR0.c (shifts_new): Be global and move to..
17363 * src/state.c, src/state.h: here.
17364 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
17365 * src/print_graph: Adjust.
17366
173672001-12-05 Akim Demaille <akim@epita.fr>
17368
17369 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
17370 * src/conflicts.c: Use it.
17371 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
17372 incorrectly ``simplified''.
17373
173742001-12-05 Akim Demaille <akim@epita.fr>
17375
17376 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
17377 using the good o' techniques: arrays not pointers, variable
17378 locality, BITISSET, RESETBIT etc.
17379
173802001-12-05 Akim Demaille <akim@epita.fr>
17381
17382 * src/state.h (SHIFT_SYMBOL): New.
17383 * src/conflicts.c: Use it to deobfuscate.
17384
173852001-12-05 Akim Demaille <akim@epita.fr>
17386
17387 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
17388 (print_reductions): De-obfuscate using the good o' techniques:
17389 arrays not pointers, variable locality, BITISSET.
17390
173912001-12-05 Akim Demaille <akim@epita.fr>
17392
17393 * src/conflicts.c (print_reductions): Arrays, not pointers.
17394 Use BITISSET.
17395
173962001-12-05 Akim Demaille <akim@epita.fr>
17397
17398 * src/conflicts.c (print_reductions): Pessimize, but clarify.
17399
174002001-12-05 Akim Demaille <akim@epita.fr>
17401
17402 * src/conflicts.c (print_reductions): Improve variable locality.
17403
174042001-12-05 Akim Demaille <akim@epita.fr>
17405
17406 * src/conflicts.c (print_reductions): Pessimize, but clarify.
17407
174082001-12-05 Akim Demaille <akim@epita.fr>
17409
17410 * src/conflicts.c (print_reductions): Improve variable locality.
17411
174122001-12-05 Akim Demaille <akim@epita.fr>
17413
17414 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
17415 * src/lalr.c: Use them.
17416
174172001-12-05 Akim Demaille <akim@epita.fr>
17418
17419 * src/LR0.c (augment_automaton): Formatting changes.
17420 Better variable locality.
17421
174222001-12-05 Akim Demaille <akim@epita.fr>
17423
17424 * src/lalr.c (matrix_print): New.
17425 (transpose): Use it.
17426 Use arrays instead of pointers.
17427
174282001-12-05 Akim Demaille <akim@epita.fr>
17429
17430 * src/lalr.c (maxrhs): Move to...
17431 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
17432 * src/lalr.c (build_relations): Adjust.
17433
174342001-12-05 Akim Demaille <akim@epita.fr>
17435
17436 * src/lalr.c (transpose): Free the memory allocated to the
17437 argument, as it is replaced by the results by the unique caller.
17438 (build_relations): Merely invoke transpose: it handles the memory
17439 deallocation.
17440 Improve variable locality.
17441 Avoid variables used as mere abbreviations.
17442 (compute_lookaheads): Use arrays instead of pointers.
17443
174442001-12-05 Akim Demaille <akim@epita.fr>
17445
17446 * src/lalr.c (initialize_F): Improve variable locality.
17447 Avoid variables used as mere abbreviations.
17448
174492001-12-05 Akim Demaille <akim@epita.fr>
17450
17451 * src/derives.c (print_derives): Display the ruleno.
17452 * src/lalr.c (initialize_F, transpose): Better variable locality
17453 to improve readability.
17454 Avoid variables used as mere abbreviations.
17455
174562001-12-05 Akim Demaille <akim@epita.fr>
17457
17458 * src/lalr.c (traverse): Use arrays instead of pointers.
17459
174602001-12-05 Akim Demaille <akim@epita.fr>
17461
17462 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
17463 the handling of squeue.
17464 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
17465
174662001-12-05 Akim Demaille <akim@epita.fr>
17467
17468 Because useless nonterminals are now kept alive (instead of being
17469 `destroyed'), we now sometimes examine them, and store information
17470 related to them. Hence we need to know their number, and adjust
17471 memory allocations.
17472
17473 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
17474 static.
17475 * src/LR0.c (allocate_itemsets): The memory allocated to
17476 `symbol_count' was used for two different purpose: once to count
17477 the number of occurrences of each symbol, and later reassigned to
17478 `shift_symbol', containing the symbol that can be shifted from a
17479 given state.
17480 Deobfuscate, i.e., allocate, use and free `symbol_count' here
17481 only, and...
17482 (new_itemsets): Allocate `shift_symbol' here.
17483 (allocate_itemsets): symbol_count includes useless nonterminals.
17484 Make room for them.
17485 (free_storage): Use `free', not `XFREE', for pointers that cannot
17486 be null.
17487
174882001-12-05 Akim Demaille <akim@epita.fr>
17489
17490 * src/nullable.c (set_nullable): Deobfuscate the handling of
17491 ritem.
17492 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
17493
174942001-12-05 Akim Demaille <akim@epita.fr>
17495
17496 * src/gram.c, src/gram.h (ritem_print): New.
17497 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
17498 (This useless function was defined only to work around VMS linkers
17499 that can't handle compilation units with variables only).
17500 * src/reduce.c (dump_grammar): Use it to trace the construction of
17501 ritem.
17502
175032001-12-04 Paul Eggert <eggert@twinsun.com>
17504
17505 * src/bison.simple (union yyalloc): Change member names
17506 to be the same as the stack names.
17507 (yyparse): yyptr is now union yyalloc *, not char *.
17508 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
17509 and may generate better code on some machines.
17510 (yystpcpy): Use prototype if __STDC__ is defined, not just
17511 if __cplusplus is defined.
17512
175132001-11-30 Akim Demaille <akim@epita.fr>
17514
17515 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
17516 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
17517 Gettext doesn't compile cleanly, and dies with -Werror.
17518 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
17519 Include WARNING_CFLAGS here.
17520 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
17521 before being defined.
17522
175232001-11-27 Paul Eggert <eggert@twinsun.com>
17524
17525 * lib/quotearg.h (quotearg_n, quotearg_n_style):
17526 First arg is int, not unsigned.
17527 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
17528 (SIZE_MAX, UINT_MAX): New macros.
17529 (quotearg_n_options): Abort if N is negative.
17530 Avoid overflow check on hosts where size_t is 64 bits and int
17531 is 32 bits, as overflow is impossible there.
17532 Fix off-by-one typo that caused unnecessary reallocation.
17533
175342001-11-29 Paul Eggert <eggert@twinsun.com>
17535
17536 Name space cleanup in generated parser.
17537
17538 * doc/bison.texinfo (Bison Parser): Discuss system headers
17539 and their effect on the user name space.
17540
17541 * src/bison.simple:
17542 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
17543 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
17544 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
17545
17546 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
17547 on user names when possible.
17548
17549 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
17550 Simplify test for whather <alloca.h> exists.
17551
17552 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
17553
17554 (<stdio.h>): Include if YYDEBUG.
17555
17556 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
17557 ! defined (yyoverflow) && ! defined (yymemcpy).
17558
17559 (yymemcpy, yyparse): Rename local variables as needed so that
17560 they all begin with 'yy'.
17561
17562 (yystrlen, yystpcpy): New functions.
17563
17564 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
17565 All uses changed.
17566
17567 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
17568 instead of relying on string.h functions. Use YYSTACK_ALLOC
17569 and YYSTACK_FREE instead of malloc and free.
17570
175712001-11-30 Akim Demaille <akim@epita.fr>
17572
17573 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
17574 before their first uses.
17575 (YYBISON, YYPURE): Move to the top of the output.
17576
175772001-11-30 Akim Demaille <akim@epita.fr>
17578
17579 * tests/reduce.at (Useless Nonterminals): Fix.
17580
175812001-11-30 Akim Demaille <akim@epita.fr>
17582
17583 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
17584 if body instead of `;' to pacify GCC's warnings.
17585
175862001-11-30 Akim Demaille <akim@epita.fr>
17587
17588 Instead of mapping the LHS of unused rules to -1, keep the LHS
17589 valid, but flag the rules as invalid.
17590
17591 * src/gram.h (rule_t): `useful' is a new member.
17592 * src/print.c (print_grammar): Adjust.
17593 * src/derives.c (set_derives): Likewise.
17594 * src/reader.c (packgram, reduce_output): Likewise.
17595 * src/reduce.c (reduce_grammar_tables): Likewise.
17596 * tests/reduce.at (Underivable Rules, Useless Rules): New.
17597
175982001-11-30 Akim Demaille <akim@epita.fr>
17599
17600 * src/reduce.c (reduce_output): Formatting changes.
17601 * src/print.c (print_results, print_grammar): Likewise.
17602 * tests/regression.at (Rule Line Numbers)
17603 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
17604
176052001-11-30 Akim Demaille <akim@epita.fr>
17606
17607 * src/reduce.c (nonterminals_reduce): Instead of throwing away
17608 useless nonterminals, move them at the end of the symbol arrays.
17609 (reduce_output): Adjust.
17610 * tests/reduce.at (Useless Nonterminals): Adjust.
17611
176122001-11-30 Akim Demaille <akim@epita.fr>
17613
17614 * src/reduce.c: Various comment/formatting changes.
17615 (nonterminals_reduce): New, extracted from...
17616 (reduce_grammar_tables): here.
17617 (reduce_grammar): Call nonterminals_reduce.
17618
176192001-11-29 Paul Eggert <eggert@twinsun.com>
17620
17621 * src/bison.simple (YYSTACK_REALLOC): Remove.
17622 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
17623 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
17624 New macros.
17625 (union yyalloc): New type.
17626 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
17627 an arbitrary restriction on hosts where size_t is wider than int.
17628
17629 (yyparse): Don't dump core if alloca or malloc fails; instead, report
17630 a parser stack overflow. Allocate just one block of memory for all
17631 three stacks, instead of allocating three blocks; this typically is
17632 faster and reduces fragmentation.
17633
17634 Do not limit the number of items in the stack to a value that fits
17635 in 'int', as this is an arbitrary limit on hosts with 64-bit
17636 size_t and 32-bit int.
17637
176382001-11-29 Marc Autret <autret_m@epita.fr>
17639
17640 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
17641 of defining YYERROR_VERBOSE.
17642 [AT_DATA]: $4 is now out of C declarations in the prologue.
17643
176442001-11-28 Marc Autret <autret_m@epita.fr>
17645
17646 * src/reader.c (parse_dquoted_param): New.
17647 (parse_skel_decl): Use it.
17648 * src/lex.h: Add its prototype.
17649 * src/lex.c (literalchar): Become not static.
17650
176512001-11-28 Marc Autret <autret_m@epita.fr>
17652
17653 * src/output.h: And put its extern declaration here.
17654 * src/output.c (error_verbose): Define here.
17655 (prepare): Echo name modification.
17656 * src/getargs.h: Clean its extern declaration.
17657 * src/getargs.c (error_verbose_flag): Remove.
17658 (getargs): Remove case 'e'.
17659 * src/options.c (option_table): 'error-verbose' is now seen as simple
17660 percent option.
17661 Include output.h.
17662
17663 * src/reader.c (read_declarations): Remove case tok_include.
17664 (parse_include_decl): Remove.
17665 * src/lex.h (token_t): Remove tok_include.
17666 * src/options.c (option_table): 'include' is now a simple command line
17667 option.
17668
176692001-11-28 Marc Autret <autret_m@epita.fr>
17670
17671 * src/bison.simple: Adjust muscle names.
17672 * src/muscle_tab.c (muscle_init): Also rename the muscles.
17673 * src/output.c (prepare): s/_/-/ for the muscles names.
17674 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
17675
176762001-11-28 Marc Autret <autret_m@epita.fr>
17677
17678 * src/bison.simple: Fix debug.
17679 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
17680
176812001-11-28 Akim Demaille <akim@epita.fr>
17682
17683 * src/LR0.c (shifts_new): New.
17684 (save_shifts, insert_start_shift, augment_automaton): Use it.
17685
176862001-11-28 Akim Demaille <akim@epita.fr>
17687
17688 * src/closure.c (closure): `b' and `ruleno' denote the same value:
17689 keep ruleno only.
17690
176912001-11-28 Akim Demaille <akim@epita.fr>
17692
17693 * src/closure.c (closure): Instead of looping over word in array
17694 then bits in words, loop over bits in array.
17695
176962001-11-28 Akim Demaille <akim@epita.fr>
17697
17698 * src/closure.c (closure): No longer optimize the special case
17699 where all the bits of `ruleset[r]' are set to 0, to make the code
17700 clearer.
17701
177022001-11-28 Akim Demaille <akim@epita.fr>
17703
17704 * src/closure.c (closure): `r' and `c' are new variables, used to
17705 de-obfuscate accesses to RULESET and CORE.
17706
177072001-11-28 Akim Demaille <akim@epita.fr>
17708
17709 * src/reduce.c (reduce_print): Use ngettext.
17710 (dump_grammar): Improve the trace accuracy.
17711
177122001-11-28 Akim Demaille <akim@epita.fr>
17713
17714 * src/reduce.c (dump_grammar): Don't translate trace messages.
17715
177162001-11-28 Akim Demaille <akim@epita.fr>
17717
17718 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
17719 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
17720 as all tags are free'ed afterwards.
17721 From Enrico Scholz.
17722
177232001-11-27 Paul Eggert <eggert@twinsun.com>
17724
17725 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
17726 use alloca when we didn't want to, and vice versa.
17727
177282001-11-27 Marc Autret <autret_m@epita.fr>
17729
17730 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
17731 initialization.
17732 * src/output.c (prepare): Remove its update.
17733
177342001-11-27 Marc Autret <autret_m@epita.fr>
17735
17736 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
17737 Use %error-verbose.
17738
177392001-11-27 Marc Autret <autret_m@epita.fr>
17740
17741 * src/bison.simple: Remove YYERROR_VERBOSE using.
17742 Use %%error_verbose.
17743 (yyparse): Likewise.
17744 * src/output.c (prepare): Give its final value.
17745 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
17746 * src/getargs.h: Add its extern declaration.
17747 * src/getargs.c (error_verbose_flag): New int.
17748 (getargs): Update to catch new case.
17749 * src/options.c (option_table): 'error-verbose' is a new option.
17750 (shortopts): Update.
17751
177522001-11-27 Akim Demaille <akim@epita.fr>
17753
17754 * src/system.h: Use intl/libgettext.h.
17755 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
17756
177572001-11-27 Akim Demaille <akim@epita.fr>
17758
17759 * tests/torture.at (Exploding the Stack Size with Malloc):
17760 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
17761
177622001-11-27 Akim Demaille <akim@epita.fr>
17763
17764 * src/files.c: Include error.h.
17765 Reported by Hans Aberg.
17766
177672001-11-26 Marc Autret <autret_m@epita.fr>
17768
17769 * src/reader.c (parse_include_decl): New, not yet implemented.
17770 (read_declarations): Add case tok_include.
17771 * src/getargs.h (include): Add its extern definition.
17772 * src/getargs.c (include): New const char *.
17773 (getargs): Add case '-I'.
17774 * src/options.c (option_table): Add include as command line and
17775 percent option.
17776 * src/lex.h (token_t): Add tok_include.
17777
177782001-11-26 Akim Demaille <akim@epita.fr>
17779
17780 * src/reader.c (readgram): Make sure rules for mid-rule actions
17781 have a lineno equal to that of their host rule.
17782 Reported by Hans Aberg.
17783 * tests/regression.at (Rule Line Numbers): New.
17784
177852001-11-26 Akim Demaille <akim@epita.fr>
17786
17787 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
17788 size_ts.
17789
177902001-11-26 Akim Demaille <akim@epita.fr>
17791
17792 * src/complain.c, src/complain.h (error): Remove, provided by
17793 lib/error.[ch].
17794
177952001-11-26 Akim Demaille <akim@epita.fr>
17796
17797 * src/reader.c (read_declarations): Don't abort on tok_illegal,
17798 issue an error message.
17799 * tests/regression.at (Invalid %directive): New.
17800 Reported by Hans Aberg.
17801
178022001-11-26 Akim Demaille <akim@epita.fr>
17803
17804 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
17805 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17806
178072001-11-26 Akim Demaille <akim@epita.fr>
17808
17809 * src/conflicts.c (conflicts_print): Don't complain at all when
17810 there are no reduce/reduce conflicts, and as many shift/reduce
17811 conflicts as expected.
17812 * tests/regression.at (%expect right): Adjust.
17813
178142001-11-23 Akim Demaille <akim@epita.fr>
17815
17816 * lib/alloca.c: Update, from fileutils.
17817
178182001-11-23 Akim Demaille <akim@epita.fr>
17819
17820 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
17821
178222001-11-23 Akim Demaille <akim@epita.fr>
17823
17824 * src/system.h: Include alloca.h.
17825 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
17826
178272001-11-23 Akim Demaille <akim@epita.fr>
17828
17829 * src/print_graph.c (print_actions): Remove `rule', unused.
17830 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
17831 pacify GCC's signed < unsigned warnings.
17832 * src/closure.c (itemsetsize): Likewise.
17833 * src/reader.c (symbol_list_new): Static.
17834
178352001-11-23 Akim Demaille <akim@epita.fr>
17836
17837 Attaching lineno to buckets is stupid, since only one copy of each
17838 symbol is kept, only the line of the first occurrence is kept too.
17839
17840 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
17841 * src/reader.c (rline_allocated): Remove, unused.
17842 (symbol_list): Have a `line' member.
17843 (symbol_list_new): New.
17844 (readgram): Use it.
17845 * src/print.c (print_grammar): Output the rule line numbers.
17846 * tests/regression.at (Solved SR Conflicts)
17847 (Unresolved SR Conflicts): Adjust.
17848 Reported by Hans Aberg.
17849
178502001-11-22 Marc Autret <autret_m@epita.fr>
17851
17852 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
17853
178542001-11-22 Marc Autret <autret_m@epita.fr>
17855
17856 * src/muscle_tab.c (muscle_init): Remove initialization of
17857 skeleton muscle.
17858 * src/output.c (output_master_parser): Do it here.
17859
178602001-11-20 Akim Demaille <akim@epita.fr>
17861
17862 * po/sv.po: New.
17863 * configure.in (ALL_LINGUAS): Adjust.
17864 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
17865 longer contains strings to translate.
17866
178672001-11-19 Akim Demaille <akim@epita.fr>
17868
17869 * src/conflicts.c (conflicts_print): Add a missing \n.
17870
178712001-11-19 Akim Demaille <akim@epita.fr>
17872
17873 * src/nullable.c (nullable_print): New.
17874 (set_nullable): Call it when tracing.
17875 Better locality of variables.
17876
178772001-11-19 Akim Demaille <akim@epita.fr>
17878
17879 * src/print.c (print_actions): Better locality of variables.
17880
178812001-11-19 Akim Demaille <akim@epita.fr>
17882
17883 * src/derives.c (print_derives): Fix and enrich.
17884 * src/closure.c (print_fderives): Likewise.
17885
178862001-11-19 Akim Demaille <akim@epita.fr>
17887
17888 * src/closure.c (itemsetend): Remove, replaced with...
17889 (itemsetsize): new.
17890
178912001-11-19 Akim Demaille <akim@epita.fr>
17892
17893 * src/LR0.c (kernel_end): Remove, replaced with...
17894 (kernel_size): new.
17895
178962001-11-19 Akim Demaille <akim@epita.fr>
17897
17898 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
17899 to clarify.
17900
179012001-11-19 Akim Demaille <akim@epita.fr>
17902
17903 * src/closure.c (closure): Use arrays instead of pointers to clarify.
17904
179052001-11-19 Akim Demaille <akim@epita.fr>
17906
17907 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
17908 trace messages.
17909 * src/LR0.c: Likewise.
17910 (allocate_itemsets): Use arrays instead of pointers to clarify.
17911
179122001-11-19 Akim Demaille <akim@epita.fr>
17913
17914 * src/getargs.c (statistics_flag): Replace with...
17915 (trace_flag): New.
17916 (longopts): Accept --trace instead of --statistics.
17917 * src/getargs.h, src/options.c: Adjust.
17918 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
17919 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
17920
179212001-11-19 Akim Demaille <akim@epita.fr>
17922
17923 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
17924 pointers to clarify the code.
17925 (save_reductions, save_shifts): Factor common parts of alternatives.
17926
179272001-11-19 Akim Demaille <akim@epita.fr>
17928
17929 * src/LR0.c (new_state, get_state): Complete TRACE code.
17930 * src/closure.c: Include `reader.h' to get `tags', needed by the
17931 trace code.
17932 Rename the conditional DEBUG as TRACE.
17933 Output consistently TRACEs to stderr, not stdout.
17934 * src/derives.c: Likewise.
17935 * src/reduce.c: (inaccessable_symbols): Using if is better style
17936 than goto.
17937 Use `#if TRACE' instead of `#if 0' for tracing code.
17938
179392001-11-19 Akim Demaille <akim@epita.fr>
17940
17941 * src/system.h (LIST_FREE, shortcpy): New.
17942 * src/LR0.c: Use them.
17943 * src/output.c (free_itemsets, free_reductions, free_shifts):
17944 Remove, replaced by LIST_FREE.
17945
179462001-11-19 Akim Demaille <akim@epita.fr>
17947
17948 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
17949 (REDUCTIONS_ALLOC): New.
17950 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
17951 allocation.
17952
179532001-11-19 Akim Demaille <akim@epita.fr>
17954
17955 * src/LR0.c (new_state): Complete trace code.
17956 * src/nullable.c (set_nullable): Don't translate traces.
17957
179582001-11-19 Akim Demaille <akim@epita.fr>
17959
17960 * src/print_graph.c (print_core): Better locality of variables.
17961 * src/print.c (print_core): Likewise.
17962
179632001-11-19 Akim Demaille <akim@epita.fr>
17964
17965 * src/vcg.c: You do the output, so you are responsible of the
17966 handling of VCG syntax, in particular: use quotearg.
17967 * src/print_graph.c: Don't.
17968 (print_actions): Don't output the actions as part of the nodes,
17969 since that's the job of the edges.
17970 (print_state): Don't output by hand: fill the node description,
17971 and ask for its output.
17972
179732001-11-19 Akim Demaille <akim@epita.fr>
17974
17975 * src/bison.simple (yyparse): When verbosely reporting an error,
17976 no longer put additional quotes around token names.
17977 * tests/calc.at: Adjust.
17978
179792001-11-19 Akim Demaille <akim@epita.fr>
17980
17981 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
17982 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
17983 * src/output.c: Adjust.
17984
179852001-11-19 Akim Demaille <akim@epita.fr>
17986
17987 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
17988 (rule_t): this.
17989 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
17990
179912001-11-19 Akim Demaille <akim@epita.fr>
17992
17993 * src/gram.h (rule_t): New.
17994 (rule_table): New.
17995 (rrhs, rlhs): Remove, part of state_t.
17996 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
17997 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
17998 * src/reader.c, src/reduce.c: Adjust.
17999
180002001-11-19 Akim Demaille <akim@epita.fr>
18001
18002 * src/reader.c (symbols_output): New, extracted from...
18003 (packsymbols): Here.
18004 (reader): Call it.
18005
180062001-11-19 Akim Demaille <akim@epita.fr>
18007
18008 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
18009 (maxrhs): this new function.
18010
180112001-11-19 Akim Demaille <akim@epita.fr>
18012
18013 * src/lalr.c (F): New macro to access the variable F.
18014 Adjust.
18015
180162001-11-19 Akim Demaille <akim@epita.fr>
18017
18018 * src/lalr.h (LA): New macro to access the variable LA.
18019 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
18020 * src/lalr.c: Adjust.
18021
180222001-11-19 Akim Demaille <akim@epita.fr>
18023
18024 * src/lalr.c (initialize_LA): Only initialize LA. Let...
18025 (set_state_table): handle the `lookaheads' members.
18026
180272001-11-19 Akim Demaille <akim@epita.fr>
18028
18029 * src/lalr.h (lookaheads): Removed array, whose contents is now
18030 a member of...
18031 (state_t): this structure.
18032 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
18033 Adjust.
18034
180352001-11-19 Akim Demaille <akim@epita.fr>
18036
18037 * src/lalr.h (consistent): Removed array, whose contents is now
18038 a member of...
18039 (state_t): this structure.
18040 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
18041 Adjust.
18042
180432001-11-19 Akim Demaille <akim@epita.fr>
18044
18045 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
18046 contents are now members of...
18047 (state_t): this structure.
18048 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
18049 Adjust.
18050
180512001-11-19 Akim Demaille <akim@epita.fr>
18052
18053 * src/lalr.h (state_t): New.
18054 (state_table): Be a state_t * instead of a core **.
18055 (accessing_symbol): Remove, part of state_t.
18056 * src/lalr.c: Adjust.
18057 (set_accessing_symbol): Merge into...
18058 (set_state_table): this.
18059 * src/print_graph.c, src/conflicts.c: Adjust.
18060
180612001-11-14 Akim Demaille <akim@epita.fr>
18062
18063 * tests/calc.at, tests/output.at, tests/regression.at,
18064 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
18065 now the tests are run in private dirs, therefore AC_CLEANUP and
18066 family can be simplified to 0-ary.
18067 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
18068 use abs. path to find config.h.
18069 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
18070 stderr, there can be way too much random noise.
18071 Instead pass -Werror to GCC and rely on the exit status.
18072 Reported by Wolfram Wagner.
18073
180742001-11-14 Akim Demaille <akim@epita.fr>
18075
18076 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
18077 defined only if yyoverflow is defined, to avoid `warning: unused
18078 variable `yyvs1''.
18079 Reported by The Test Suite.
18080
180812001-11-14 Akim Demaille <akim@epita.fr>
18082
18083 * src/print.c: Include reduce.h.
18084 Reported by Hans Aberg.
18085
180862001-11-14 Akim Demaille <akim@epita.fr>
18087
18088 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
18089 Revert a previous patch: these are really const.
18090 * src/conflicts.c (conflict_report): Additional useless pair of
18091 braces to pacify GCC's warnings for `if () if () {} else {}'.
18092 * src/lex.c (parse_percent_token): Replace equal_offset with
18093 arg_offset.
18094 arg is const.
18095 Be sure to strdup `arg' when used, since there is no reason for
18096 token_buffer not to change.
18097
180982001-11-14 Akim Demaille <akim@epita.fr>
18099
18100 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
18101 definition.
18102 * src/main.c (main): Use them.
18103 Suggested by Hans Aberg.
18104
181052001-11-12 Akim Demaille <akim@epita.fr>
18106
18107 * src/system.h (ngettext): Now that we use ngettext, be sure to
18108 provide a default definition when NLS are not used.
18109
181102001-11-12 Akim Demaille <akim@epita.fr>
18111
18112 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
18113 Use @kbd to denote user input.
18114 (Language and Grammar): ANSIfy the example.
18115 Adjust its layout for info/notinfo.
18116 (Location Tracking Calc): Output error messages to stderr.
18117 Output locations in a more GNUtically correct way.
18118 Fix a couple of Englishos.
18119 Adjust @group/@end group pairs.
18120
181212001-11-12 Akim Demaille <akim@epita.fr>
18122
18123 %expect was not functioning at all.
18124
18125 * src/conflicts.c (expected_conflicts): Set to -1.
18126 (conflict_report): Use ngettext.
18127 (conflicts_print): Check %expect and make its violation an error.
18128 * doc/bison.texinfo (Expect Decl): Adjust.
18129 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
18130 * tests/regression.at (%expect not enough, %expect right)
18131 (%expect too much): New.
18132
181332001-11-12 Akim Demaille <akim@epita.fr>
18134
18135 * tests/regression.at (Conflicts): Rename as...
18136 (Unresolved SR Conflicts): this.
18137 (Solved SR Conflicts): New.
18138
181392001-11-12 Akim Demaille <akim@epita.fr>
18140
18141 * src/reduce.c (print_results): Rename as...
18142 (reduce_output): This.
18143 Output to OUT, passed as argument, instead of output_obstack.
18144 (dump_grammar): Likewise.
18145 (reduce_free): New.
18146 Also free V1.
18147 (reduce_grammar): No longer call reduce_output, since...
18148 * src/print.c (print_results): do it.
18149 * src/main.c (main): Call reduce_free;
18150
181512001-11-12 Akim Demaille <akim@epita.fr>
18152
18153 * src/conflicts.c (print_reductions): Accept OUT as argument.
18154 Output to it, not to output_obstack.
18155 * src/print.c (print_actions): Adjust.
18156
181572001-11-12 Akim Demaille <akim@epita.fr>
18158
18159 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
18160 the result instead of using...
18161 (src_total, rrc_total, src_count, rrc_count): Remove.
18162 (any_conflicts): Remove.
18163 (print_conflicts): Split into...
18164 (conflicts_print, conflicts_output): New.
18165 * src/conflicts.h: Adjust.
18166 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
18167 * src/print.c (print_grammar): Issue `\n' between two rules.
18168 * tests/regression.at (Conflicts): New.
18169 Reported by Tom Lane.
18170
181712001-11-12 Akim Demaille <akim@epita.fr>
18172
18173 * tests/regression.at (Invalid input): Remove, duplicate with
18174 ``Invalid input: 1''.
18175
181762001-11-12 Akim Demaille <akim@epita.fr>
18177
18178 * tests/torture.at (AT_DATA_STACK_TORTURE)
18179 (Exploding the Stack Size with Alloca)
18180 (Exploding the Stack Size with Malloc): New.
18181
181822001-11-12 Akim Demaille <akim@epita.fr>
18183
18184 * src/bison.simple (YYSTACK_REALLOC): New.
18185 (yyparse) [!yyoverflow]: Use it and free the old stack.
18186 Reported by Per Allansson.
18187
181882001-11-12 Pascal Bart <pascal.bart@epita.fr>
18189
18190 * src/bison.simple: Define type yystype instead of YYSTYPE, and
18191 define CPP macro, which substitute YYSTYPE by yystype.
18192 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
18193 with yyltype/YYLTYPE. This allows inclusion of the generated
18194 header within the parser if the compiler, such as GGC, accepts
18195 multiple equivalent #defines.
18196 From Akim.
18197
181982001-11-05 Akim Demaille <akim@epita.fr>
18199
18200 * src/reader.c (symbols_output): New, extracted from...
18201 (packsymbols): here.
18202 (reader): Adjust.
18203
182042001-11-05 Akim Demaille <akim@epita.fr>
18205
18206 * src/lex.c (parse_percent_token): s/quotearg/quote/.
18207
182082001-11-05 Akim Demaille <akim@epita.fr>
18209
18210 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
18211 pattern.
18212
182132001-11-05 Akim Demaille <akim@epita.fr>
18214
18215 * src/options.h (struct option_table_struct): set_flags is void*.
18216 * src/options.c (longopts): Support `--output' and `%output'.
18217 (usage): Adjust.
18218 * src/lex.h (tok_setopt): Remove, replaced with...
18219 (tok_intopt, tok_stropt): these new guys.
18220 * src/lex.c (getopt.h): Not needed.
18221 (token_buffer, unlexed_token_buffer): Not const.
18222 (percent_table): Promote `-' over `_' in directive names.
18223 Active `%name-prefix', `file-prefix', and `output'.
18224 (parse_percent_token): Accept possible arguments to directives.
18225 Promote `-' over `_' in directive names.
18226
182272001-11-04 Akim Demaille <akim@epita.fr>
18228
18229 * doc/bison.texinfo (Decl Summary): Split the list into
18230 `directives for grammars' and `directives for bison'.
18231 Sort'em.
18232 Add description of `%name-prefix', `file-prefix', and `output'.
18233 Promote `-' over `_' in directive names.
18234 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
18235 Simplify the description of `--name-prefix'.
18236 Promote `-' over `_' in directive names.
18237 Promote `--output' over `--output-file'.
18238 Fix the description of `--defines'.
18239 * tests/output.at: Exercise %file-prefix and %output.
18240
182412001-11-02 Akim Demaille <akim@epita.fr>
18242
18243 * doc/refcard.tex: Update.
18244
182452001-11-02 Akim Demaille <akim@epita.fr>
18246
18247 * src/symtab.h (SUNDEF): New.
18248 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
18249 stand for `uninitialized', instead of 0.
18250 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
18251 * src/lex.c (lex): Adjust.
18252
18253 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
18254 Number it 0.
18255 Let yylex return it instead of a plain 0.
18256 Reported by Dick Streefland.
18257
182582001-11-02 Akim Demaille <akim@epita.fr>
18259
18260 * tests/regression.at (Mixing %token styles): New test.
18261
182622001-11-02 Akim Demaille <akim@epita.fr>
18263
18264 * src/reader.c (parse_thong_decl): Formatting changes.
18265 (token_translations_init): New, extracted from...
18266 (packsymbols): Here.
18267 Adjust.
18268
182692001-11-01 Akim Demaille <akim@epita.fr>
18270
18271 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
18272 Check that `9foo.y' produces correct cpp guards.
18273 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
18274 guards.
18275 Reported by Wwp.
18276
182772001-11-01 Akim Demaille <akim@epita.fr>
18278
18279 * tests/regression.at (Invalid input: 2): New.
18280 * src/lex.c (unlexed_token_buffer): New.
18281 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
18282 too.
18283 Reported by Wwp.
18284
182852001-11-01 Akim Demaille <akim@epita.fr>
18286
18287 * tests/calc.at: Catch up with 1.30.
18288 * configure.in: Bump to 1.49a.
18289 Adjust to newer Autotest.
18290
182912001-10-19 Pascal Bart <pascal.bart@epita.fr>
18292
18293 * src/conflicts.c: Move global variables rrc_total and src_total ...
18294 (print_conflicts): here.
18295 * src/output.c (output): Free global variable user_toknums.
18296 * src/lex.c (token_obstack): Become static.
18297
182982001-10-18 Akim Demaille <akim@epita.fr>
18299
18300 * tests/atlocal.in (GCC): Add.
18301 * tests/calc.at: s/m4_match/m4_bmatch/.
18302 s/m4_patsubst/m4_bpatsubst/.
18303 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
18304 * configure.in: AC_SUBST(GCC).
18305
183062001-10-14 Marc Autret <autret_m@epita.fr>
18307
18308 * src/options.c (create_long_option_table): Fix.
18309
183102001-10-10 Akim Demaille <akim@epita.fr>
18311
18312 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
18313
183142001-10-04 Akim Demaille <akim@epita.fr>
18315
18316 * src/reader.c (parse_union_decl): Push the caracters in
18317 union_obstack, not attrs_obstack.
18318
183192001-10-04 Akim Demaille <akim@epita.fr>
18320
18321 Merge in the branch 1.29.
18322
18323 * src/reader.c (packsymbols): Use a temporary obstack for
18324 `%%tokendef', since output_stack is already used elsewhere.
18325
18326 2001-10-02 Akim Demaille <akim@epita.fr>
18327
18328 Bump 1.29d.
18329
18330 2001-10-02 Akim Demaille <akim@epita.fr>
18331
18332 Version 1.29c.
18333
18334 2001-10-02 Akim Demaille <akim@epita.fr>
18335
18336 * tests/regression.at (Invalid CPP headers): New.
18337 From Alexander Belopolsky.
18338 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
18339
18340 2001-10-02 Akim Demaille <akim@epita.fr>
18341
18342 * tests/regression.at (Invalid input): New.
18343 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
18344 Reported by Shura.
18345
18346 2001-10-02 Akim Demaille <akim@epita.fr>
18347
18348 * tests/calc.at: Now that --debug works, the tests must be adjusted.
18349
18350 2001-10-02 Akim Demaille <akim@epita.fr>
18351
18352 * src/output.c (output_parser): Assert `skeleton'.
18353 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
18354 systems.
18355 From Shura.
18356
18357 2001-10-01 Marc Autret <autret_m@epita.fr>
18358
18359 * src/lex.h: Echo modifications.
18360 * src/lex.c (unlex): Parameter is now token_t.
18361 From Hans Aberg.
18362
18363 2001-10-01 Marc Autret <autret_m@epita.fr>
18364
18365 * src/main.c: Include lex.h.
18366 From Hans Aberg.
18367
18368 2001-09-29 Akim Demaille <akim@epita.fr>
18369
18370 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
18371
18372 2001-09-28 Akim Demaille <akim@epita.fr>
18373
18374 * tests/testsuite.at: Update to newer Autotest.
18375 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
18376
18377 2001-09-27 Akim Demaille <akim@epita.fr>
18378
18379 Position independent wrapper.
18380
18381 * tests/bison: Remove.
18382 * tests/bison.in: New.
18383 * configure.in: Adjust.
18384
18385 2001-09-27 Paul Eggert <eggert@twinsun.com>
18386
18387 Port quotearg fixes from tar 1.13.24.
18388
18389 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
18390 tm to be declared.
18391 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
18392 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
18393
18394 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
18395 * m4/mbrtowc.m4: New file.
18396 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
18397 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
18398
18399 2001-09-27 Akim Demaille <akim@epita.fr>
18400
18401 Bump to 1.29c.
18402
18403 2001-09-27 Akim Demaille <akim@epita.fr>
18404
18405 Version 1.29b.
18406
18407 2001-09-25 Akim Demaille <akim@epita.fr>
18408
18409 * src/system.h: Include `xalloc.h'.
18410 Remove it from the C files.
18411 * src/files.c (output_files): Free the obstacks.
18412 * src/lex.c (init_lex): Rename as...
18413 (lex_init): this.
18414 (lex_free): New.
18415 * src/main.c (main): Use it.
18416
18417 2001-09-24 Marc Autret <autret_m@epita.fr>
18418
18419 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
18420 to output informations in fout (FILE*).
18421 (open_graph, close_graph): Likewise.
18422 (output_graph, output_edge, output_node): Likewise.
18423 * src/vcg.h: Update function prototypes.
18424 * src/print_graph.c (print_graph): Open output graph file.
18425 (print_actions): Adjust.
18426 * src/files.h: Remove extern declaration.
18427 * src/files.c: Remove graph_obstack declaration.
18428 (open_files): Remove graph_obstack initialization.
18429 (output_files): Remove graph_obstack saving.
18430
18431 2001-09-24 Marc Autret <autret_m@epita.fr>
18432
18433 * src/files.c (compute_output_file_names): Fix.
18434
18435 2001-09-24 Marc Autret <autret_m@epita.fr>,
18436 Akim Demaille <akim@epita.fr>
18437
18438 * src/reader.c (reader): Remove call to free_symtab ().
18439 * src/main.c (main): Call it here.
18440 Include symtab.h.
18441 * src/conflicts.c (initialize_conflicts): Rename as...
18442 (solve_conflicts): this.
18443 * src/print.c (print_core, print_actions, print_state)
18444 (print_grammar): Dump to a file instead a `output_obstack'.
18445 (print_results): Dump `output_obstack', and then proceed with the
18446 FILE *.
18447 * src/files.c (compute_output_file_names, close_files): New.
18448 (output_files): Adjust.
18449 * src/main.c (main): Adjust.
18450
18451 2001-09-23 Marc Autret <autret_m@epita.fr>
18452
18453 * src/files.c (compute_header_macro): Computes header macro name
18454 from spec_defines_file when given.
18455
18456 2001-09-23 Marc Autret <autret_m@epita.fr>
18457
18458 * src/files.c (output_files): Add default extensions.
18459
18460 2001-09-22 Akim Demaille <akim@epita.fr>
18461
18462 * src/conflicts.c (finalize_conflicts): Rename as...
18463 (free_conflicts): this.
18464
18465 2001-09-22 Akim Demaille <akim@epita.fr>
18466
18467 * src/gram.c (gram_free): Rename back as...
18468 (dummy): this.
18469 (output_token_translations): Free `token_translations'.
18470 * src/symtab.c (free_symtab): Free the tag field.
18471
18472 2001-09-22 Akim Demaille <akim@epita.fr>
18473
18474 Remove `translations' as it is always set to true.
18475
18476 * src/gram.h: Adjust.
18477 * src/reader.c (packsymbols, parse_token_decl): Adjust
18478 * src/print.c (print_grammar): Adjust.
18479 * src/output.c (output_token_translations): Adjust.
18480 * src/lex.c (lex): Adjust.
18481 * src/gram.c: Be sure the set pointers to NULL.
18482 (dummy): Rename as...
18483 (gram_free): this.
18484
18485 2001-09-22 Akim Demaille <akim@epita.fr>
18486
18487 * configure.in: Invoke AM_LIB_DMALLOC.
18488 * src/system.h: Use dmalloc.
18489 * src/LR0.c: Be sure to have pointers initialized to NULL.
18490 (allocate_itemsets): Allocate kernel_items only if needed.
18491
18492 2001-09-22 Akim Demaille <akim@epita.fr>
18493
18494 * configure.in: Bump to 1.29b.
18495 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
18496 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
18497 need xmalloc.c in calc.y.
18498 From Pascal Bart.
18499
18500 2001-09-21 Akim Demaille <akim@epita.fr>
18501
18502 Version 1.29a.
18503 * Makefile.maint, config/config.guess, config/config.sub,
18504 * config/missing: Update from masters.
18505 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
18506 upon package.m4.
18507 * configure.in (ALL_LINGUAS): Add `tr'.
18508
18509 2001-09-21 Akim Demaille <akim@epita.fr>
18510
18511 * tests/Makefile.am (package.m4): Move to...
18512 ($(srcdir)/$(TESTSUITE)): here.
18513
18514 2001-09-20 Akim Demaille <akim@epita.fr>
18515
18516 * src/complain.c: No longer try to be standalone: use system.h.
18517 Don't assume __STDC__ is defined to 1. Just test if it is defined.
18518 * src/complain.h: Likewise.
18519 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
18520 Remove the unused variable `n'.
18521 From Albert Chin-A-Young.
18522
18523 2001-09-18 Marc Autret <autret_m@epita.fr>
18524
18525 * doc/bison.1: Update.
18526 * doc/bison.texinfo (Bison Options): Update --defines and --graph
18527 descriptions.
18528 (Option Cross Key): Update.
18529 Add --graph.
18530
18531 2001-09-18 Marc Autret <autret_m@epita.fr>
18532
18533 * tests/regression.at: New test (comment in %union).
18534
18535 2001-09-18 Marc Autret <autret_m@epita.fr>
18536
18537 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
18538 do that.
18539 Reported by Keith Browne.
18540
18541 2001-09-18 Marc Autret <autret_m@epita.fr>
18542
18543 * tests/output.at: Add tests for --defines and --graph.
18544
18545 2001-09-18 Marc Autret <autret_m@epita.fr>
18546
18547 * tests/output.at: Removes tests of %{header,src}_extension features.
18548
18549 2001-09-18 Akim Demaille <akim@epita.fr>
18550
18551 * tests/Makefile.am (package.m4): New.
18552 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
18553 (_AT_CHECK_CALC_ERROR): Likewise.
18554 Factor the `, ' part of verbose error messages.
18555
18556 2001-09-18 Marc Autret <autret_m@epita.fr>
18557
18558 * src/getargs.c (longopts): Declare --defines and --graph as options
18559 with optional arguments.
18560 * src/files.h: Add extern declarations.
18561 * src/files.c (spec_graph_file, spec_defines_file): New.
18562 (output_files): Update.
18563 Remove CPP-outed code.
18564
18565 2001-09-18 Marc Autret <autret_m@epita.fr>
18566
18567 Turn off %{source,header}_extension feature.
18568
18569 * src/files.c (compute_exts_from_gf): Update.
18570 (compute_exts_from_src): Update.
18571 (output_files): CPP-out useless code.
18572 * src/files.h: Remove {header,source}_extension extern declarations.
18573 * src/reader.c (parse_dquoted_param): CPP-out.
18574 (parse_header_extension_decl): Remove.
18575 (parse_source_extension_decl): Remove.
18576 (read_declarations): Remove cases tok_{hdrext,srcext}.
18577 * src/lex.c (percent_table): Remove {header,source}_extension entries.
18578 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
18579
18580 2001-09-10 Akim Demaille <akim@epita.fr>
18581
18582 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
18583 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
18584 (AT_CHECK_OUTPUT): this.
18585 Merely check ls' exit status, its output is useless.
18586
18587 2001-09-10 Akim Demaille <akim@epita.fr>
18588
18589 * tests/calc.at: Use m4_match.
18590 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
18591
18592 2001-09-10 Marc Autret <autret_m@epita.fr>,
18593 Akim Demaille <akim@epita.fr>
18594
18595 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
18596 enum color_e.
18597 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
18598 to `normal'.
18599 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
18600 * src/lex.h: Adjust prototype.
18601 (token_t): Add `tok_undef'.
18602 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
18603 (parse_percent_token): Now returns token_t.
18604 Add default statement in switch.
18605 (lex): Separate `c' as an input variable, from the token_t result
18606 part.
18607 (unlexed): Is a token_t.
18608
18609 2001-09-10 Akim Demaille <akim@epita.fr>
18610
18611 * configure.in: Bump to 1.29a.
18612
18613 2001-09-07 Akim Demaille <akim@epita.fr>
18614
18615 Version 1.29.
18616
18617 2001-08-30 Akim Demaille <akim@epita.fr>
18618
18619 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
18620 * m4/atconfig.m4: Remove.
18621 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
18622 * tests/bison: New.
18623 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
18624 m4_if, m4_patsubst, and m4_regexp.
18625 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
18626 `input' file instead of echo.
18627
18628 2001-08-29 Akim Demaille <akim@epita.fr>
18629
18630 Bump to 1.28e.
18631
18632 2001-08-29 Akim Demaille <akim@epita.fr>
18633
18634 Version 1.28d.
18635
18636 2001-08-29 Paul Eggert <eggert@twinsun.com>
18637
18638 * src/bison.simple (yyparse): Don't take the address of an
18639 item before the start of an array, as that doesn't conform to
18640 the C Standard.
18641
18642 2001-08-29 Robert Anisko <anisko_r@epita.fr>
18643
18644 * doc/bison.texinfo (Location Tracking Calc): New node.
18645
18646 2001-08-29 Paul Eggert <eggert@twinsun.com>
18647
18648 * src/output.c (output): Do not define const, as this now
18649 causes more problems than it cures.
18650
18651 2001-08-29 Akim Demaille <akim@epita.fr>
18652
18653 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
18654 the nodes.
18655 Be sure to tag the `detailmenu'.
18656
18657 2001-08-29 Akim Demaille <akim@epita.fr>
18658
18659 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
18660 download in a tmp dir.
18661
18662 2001-08-28 Marc Autret <autret_m@epita.fr>
18663
18664 * config/depcomp: New file.
18665
18666 2001-08-28 Marc Autret <autret_m@epita.fr>
18667
18668 * doc/bison.1 (mandoc): Adjust.
18669 From Juan Manuel Guerrero.
18670
18671 2001-08-28 Marc Autret <autret_m@epita.fr>
18672
18673 * src/print_graph.c (print_state): Fix.
18674
18675 2001-08-27 Marc Autret <autret_m@epita.fr>
18676
18677 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
18678 char * members.
18679 Echo modifications to the functions prototypes.
18680 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
18681
18682 2001-08-27 Marc Autret <autret_m@epita.fr>
18683
18684 * src/vcg.c: Include `xalloc.h'.
18685 (add_colorentry): New.
18686 (add_classname): New.
18687 (add_infoname): New.
18688 * src/vcg.h: Add new prototypes.
18689
18690 2001-08-27 Akim Demaille <akim@epita.fr>
18691
18692 * Makefile.maint: Sync. again with CVS Autoconf.
18693
18694 2001-08-27 Akim Demaille <akim@epita.fr>
18695
18696 * Makefile.maint: Formatting changes.
18697 (po-update, cvs-update, update): New targets.
18698 (AMTAR): Remove.
18699
18700 2001-08-27 Akim Demaille <akim@epita.fr>
18701
18702 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
18703 * Makefile.maint: Sync. with CVS Autoconf.
18704
18705 2001-08-27 Marc Autret <autret_m@epita.fr>
18706
18707 * src/vcg.h (struct infoname_s): New.
18708 (struct colorentry_s): New.
18709 (graph_s): New fields {vertical,horizontal}_order in structure.
18710 Add `infoname' field.
18711 Add `colorentry' field;
18712 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
18713 (G_HORIZONTAL_ORDER): New.
18714 (G_INFONAME): New.
18715 (G_COLORENTRY): New.
18716 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
18717 Add output of `infoname'.
18718 Add output of `colorentry'.
18719
18720 2001-08-27 Marc Autret <autret_m@epita.fr>
18721
18722 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
18723 This one shadowed a global parameter.
18724
18725 2001-08-24 Marc Autret <autret_m@epita.fr>
18726
18727 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
18728 instead of `unsigned'.
18729 (print_state): Do not call obstack_object_size () in obstack_grow ()
18730 to avoid macro variables shadowing.
18731
18732 2001-08-23 Marc Autret <autret_m@epita.fr>
18733
18734 * src/lex.c (percent_table): Typo: s/naem/name/.
18735 Add graph option.
18736 Normalize new options declarations.
18737
18738 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
18739
18740 * tests/suite.at: Exercise %header_extension and %source_extension.
18741
18742 2001-08-16 Marc Autret <autret_m@epita.fr>
18743
18744 * src/reader.c (parse_dquoted_param): New.
18745 (parse_header_extension_decl): Use it.
18746 (parse_source_extension_decl): Likewise.
18747
18748 2001-08-16 Marc Autret <autret_m@epita.fr>
18749
18750 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
18751 (get_xxxx_str): Use assert () instead of complain ().
18752 Remove return invokations in default cases.
18753 (get_decision_str): Modify default behaviour. Remove second argument.
18754 Echo modifications on calls.
18755 (output_graph): Fix.
18756
18757 2001-08-16 Marc Autret <autret_m@epita.fr>
18758
18759 * src/getargs.c (usage): Update with ``-g, --graph''.
18760
18761 2001-08-16 Marc Autret <autret_m@epita.fr>
18762
18763 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
18764 (Option Cross Key): Likewise.
18765 * doc/bison.1: Update.
18766
187672001-09-25 Pascal Bart <pascal.bart@epita.fr>
18768
18769 * src/output.c (output_master_parser): Don't finish action_obstack.
18770 (output_parser): Don't care about the muscle action, here.
18771 (prepare): Copy the action_obstack in the action muscle.
18772 (output): Free action_obstack.
18773
187742001-09-23 Pascal Bart <pascal.bart@epita.fr>
18775
18776 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
18777 will contain `%union' declaration.
18778 (parse_union_decl): Delete #line directive output.
18779 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
18780 informations about %union.
18781 (parse_union_decl): Copy the union_obstack in the muscle stype.
18782 * src/bison.simple: Add new #line directive.
18783 Add typdef %%stype YYSTYPE.
18784
187852001-09-23 Pascal Bart <pascal.bart@epita.fr>
18786
18787 * src/bison.simple: Add new `#line' directive.
18788
187892001-09-22 Pascal Bart <pascal.bart@epita.fr>
18790
18791 * src/bison.simple: New `#line' directive.
18792 * src/output.c (output_parser): Support new dynamic muscle input_line.
18793
187942001-09-22 Marc Autret <autret_m@epita.fr>
18795
18796 * src/output.c (output_master_parser): New.
18797 (output_parser): Be more re-entrant.
18798
187992001-09-21 Marc Autret <autret_m@epita.fr>
18800
18801 * src/reader.c (copy_definition, parse_union_decl): Update and use
18802 `linef' muscle.
18803 (copy_action): Likewise.
18804 Use obstack_1grow ().
18805 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
18806
188072001-09-21 Marc Autret <autret_m@epita.fr>
18808
18809 * src/options.c (option_table): Adjust.
18810 * src/lex.c (parse_percent_token): Fix.
18811
188122001-09-20 Pascal Bart <pascal.bart@epita.fr>
18813
18814 * src/options.c (symtab.h): Include it, need by lex.h.
18815
188162001-09-20 Pascal Bart <pascal.bart@epita.fr>
18817
18818 * src/lex.c (parse_percent_token): Change type of variable `tx', which
18819 is now an option_table_struct*.
18820 (option_strcmp): New function option_strcmp.
18821 (parse_percent_token): Call option_strcmp.
18822 * src/getargs.c (xalloc.h, options.h): Include it.
18823 (getargs): Call create_long_option_table.
18824 (getargs): Free longopts at the end of the function.
18825 (shortopts): Move in options.c.
18826 * src/options.c (create_long_option_table): New function. Convert
18827 information from option_table to option structure.
18828 * src/reader.c (options.h): Include it.
18829
18830 * src/Makefile.am: Adjust.
18831 * src/options.c (option_table): Create from longopts and percent_table.
18832 * src/getargs.c (longopts): Delete.
18833 * src/lex.c (struct percent_table_struct): Delete.
18834 (percent_table): Delete.
18835 (options.h): Include it.
18836 * src/options.c: Create.
18837 * src/options.h: Create.
18838 Declare enum opt_access_e.
18839 Define struct option_table_struct.
18840
188412001-09-20 Marc Autret <autret_m@epita.fr>
18842
18843 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
18844 sections of Bison.
18845
188462001-09-19 Pascal Bart <pascal.bart@epita.fr>
18847
18848 * src/bison.simple: s/%%filename/%%skeleton.
18849 * src/muscle_tab.c (getargs.h): Include it.
18850 (muscle_init): Insert new muscle skeleton.
18851
188522001-09-18 Pascal Bart <pascal.bart@epita.fr>
18853
18854 * src/output.c (output_parser): Delete unused variable actions_dumped.
18855
188562001-09-07 Pascal Bart <pascal.bart@epita.fr>
18857
18858 * src/output.c (output): Delete call to reader_output_yylsp.
18859 * src/reader.c (reader): Likewise.
18860 * src/reader.h: Delete declaration of reader_output_yylsp.
18861
188622001-09-02 Marc Autret <autret_m@epita.fr>
18863
18864 * src/reader.c: Include muscle_tab.h.
18865 (parse_union_decl): Update.
18866 (parse_macro_decl): Rename parse_muscle_decl.
18867 Update to use renamed functions and variable.
18868 (read_declarations, copy_action, read_additionnal_code, : Updated
18869 with correct variables and functions names.
18870 (packsymbols, reader): Likewise.
18871
18872 * src/reader.h (muscle_obstack): Extern declaration update.
18873
18874 * src/output.c: Include muscle_tab.h
18875 In all functions using macro_insert, change by using muscle_insert ().
18876 (macro_obstack): Rename muscle_obstack.
18877 Echo modifications in the whole file.
18878 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
18879 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
18880 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
18881
18882 * src/muscle_tab.h: Update double inclusion macros.
18883 (macro_entry_s): Rename muscle_entry_s.
18884 Update prototypes.
18885
18886 * src/muscle_tab.c: Include muscle_tab.h.
18887 Rename macro_tabble to muscle_table.
18888 (mhash1, mhash2, mcmp): Use muscle_entry.
18889 (macro_init): Rename muscle_init. Update.
18890 (macro_insert): Rename muscle_insert. Update.
18891 (macro_find): Rename muscle_find. Update.
18892
18893 * src/main.c: Include muscle_tab.h.
18894 (main): Call muscle_init ().
18895 * src/Makefile.am (bison_SOURCES): Echo modifications.
18896
188972001-09-02 Marc Autret <autret_m@epita.fr>
18898
18899 Now the files macro_tab.[ch] are named muscle_tab.[ch].
18900
18901 * src/muscle_tab.c, src/muscle_tab.h: Add files.
18902
189032001-09-02 Marc Autret <autret_m@epita.fr>
18904
18905 * src/macrotab.c, src/macrotab.h: Remove.
18906
189072001-09-01 Pascal Bart <pascal.bart@epita.fr>
18908
18909 * src/reader.c (copy_guard): Use muscle to specify the `#line'
18910 filename.
18911
189122001-09-01 Marc Autret <autret_m@epita.fr>
18913
18914 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
18915 to an explicit value to activate the feature. We do it here.
18916
189172001-08-31 Pascal Bart <pascal.bart@epita.fr>
18918
18919 * src/output.c (prepare): Delete the `filename' muscule insertion.
18920 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
18921 (parse_union_decl): Likewise.
18922 * src/macrotab.c (macro_init): Initialize filename by infile.
18923
189242001-08-31 Marc Autret <autret_m@epita.fr>
18925
18926 * src/bison.simple (YYLSP_NEEDED): New definition.
18927 * src/output.c (prepare): Add macro insertion of `locations_flag'
18928
189292001-08-31 Pascal Bart <pascal.bart@epita.fr>
18930
18931 * src/output.c (prepare): Delete insertion of previous muscles,
18932 and insert the `prefix' muscles.
18933 * src/macrotab.c (macro_init): Likewise.
18934 (macro_init): Initialization prefix directive by `yy'.
18935 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
18936 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
18937 yylval, yydebug, yyerror, yynerrs and yyparse.
18938 New directive `#define' to substitute yydebug, ... with option
18939 name_prefix.
18940
189412001-08-31 Pascal Bart <pascal.bart@epita.fr>
18942
18943 * src/main.c (main): Standardize.
18944 * src/output.c (output_table_data, output_parser): Likewise.
18945 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
18946
189472001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
18948
18949 * src/reader.c (read_additionnal_code): Rename %%user_code to
18950 %%epilogue.
18951 * src/output.c (output): Rename %%declarations to %%prologue.
18952 * src/bison.simple: Echo modifications.
18953
189542001-08-31 Marc Autret <autret_m@epita.fr>
18955
18956 * src/reader.c (readgram): CleanUp.
18957 (output_token_defines): Likewise.
18958 (packsymbols): Likewise.
18959 (reader): Likewise.
18960 * src/output.c (output): CPP-out useless code.
18961
189622001-08-31 Pascal Bart <pascal.bart@epita.fr>
18963
18964 * src/reader.c (reader): Delete obsolete call to function
18965 output_trailers and output_headers.
18966 * src/output.h: Remove obsolete functions prototypes of output_headers
18967 and output_trailers.
18968
189692001-08-30 Pascal Bart <pascal.bart@epita.fr>
18970
18971 * src/main.c: Include macrotab.h.
18972 * src/macrotab.h (macro_entry_s): Constify fields.
18973 Adjust functions prototypes.
18974 * src/macrotab.c (macro_insert): Constify key and value.
18975 (macro_find): Constify key.
18976 (macro_insert): Include 'xalloc.h'
18977 (macro_insert): Use XMALLOC.
18978 (macro_find): Constify return value.
18979 * src/output.c (output_table_data): Rename table to table_data.
18980 (output_parser): Constify macro_key, macro_value.
18981
189822001-08-30 Marc Autret <autret_m@epita.fr>
18983
18984 * src/reader.c (parse_skel_decl): New.
18985 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
18986 * src/lex.h (token_t): New token `tok_skel'.
18987 * src/lex.c (percent_table): Add skeleton option entry.
18988 Standardize.
18989
189902001-08-29 Marc Autret <autret_m@epita.fr>
18991
18992 * src/bison.simple: Add %%user_code directive at the end.
18993 * src/reader.c (read_additionnal_code): New.
18994 (reader): Use it.
18995 * src/output.c (output_program): Remove.
18996 (output): Update.
18997
189982001-08-28 Marc Autret <autret_m@epita.fr>
18999
19000 * src/output.c (output_actions): Clean up.
19001 (output_gram): CPP-out useless code.
19002 * src/reader.c (reader): Clean up, CPP-out useless code.
19003
190042001-08-28 Pascal Bart <pascal.bart@epita.fr>
19005
19006 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
19007 directive.
19008 * src/bison.simple: Add `%%definitions'.
19009
190102001-08-28 Marc Autret <autret_m@epita.fr>
19011
19012 * config/depcomp: New file.
19013
190142001-08-27 Paul Eggert <eggert@twinsun.com>
19015
19016 * src/bison.simple (yyparse): Don't take the address of an
19017 item before the start of an array, as that doesn't conform to
19018 the C Standard.
19019
190202001-08-27 Robert Anisko <robert.anisko@epita.fr>
19021
19022 * src/output.c (output): Remove the initialization of the macro
19023 obstack. It was done too late here.
19024
19025 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
19026 completely wrong.
19027 (reader): Initialize the macro obstack here, since we need it to grow
19028 '%define' directives.
19029
19030 * src/reader.h: Declare the macro obstack as extern.
19031
190322001-08-27 Robert Anisko <robert.anisko@epita.fr>
19033
19034 * src/output.c (output_parser): Fix. Store single '%' characters in
19035 the output obstack instead of throwing them away.
19036
190372001-08-27 Akim Demaille <akim@epita.fr>
19038
19039 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
19040
190412001-08-25 Robert Anisko <robert.anisko@epita.fr>
19042
19043 * lib/Makefile.am: Adjust.
19044
190452001-08-25 Robert Anisko <robert.anisko@epita.fr>
19046
19047 * src/bison.simple: Update and add '%%' directives.
19048
190492001-08-25 Robert Anisko <robert.anisko@epita.fr>
19050
19051 * src/reader.c (reader): Remove calls to 'output_headers' and
19052 'output_trailers'. Remove some C output.
19053 (readgram): Disable a piece of code that was writing a default
19054 definition for 'YYSTYPE'.
19055 (reader_output_yylsp): Remove.
19056 (packsymbols): Output token defintions to a macro.
19057 (copy_definition): Disable C output.
19058
19059 * src/reader.c (parse_macro_decl): New function used to parse macro
19060 declarations.
19061 (copy_string2): Put the body of copy_string into this new function.
19062 Add a parameter to let the caller choose whether he wants to copy the
19063 string delimiters or not.
19064 (copy_string): Be a simple call to copy_string2 with the last argument
19065 bound to true.
19066 (read_declarations): Add case for macro definition.
19067 (copy_identifier): New.
19068 (parse_macro_decl): Read macro identifiers using copy_identifier
19069 rather than lex.
19070
190712001-08-25 Robert Anisko <robert.anisko@epita.fr>
19072
19073 * src/output.c (prepare): Add prefixed names.
19074 (output_parser): Output semantic actions.
19075 (output_parser): Fix bug on '%%line' directives.
19076
19077 * src/output.c (output_headers): Remove. The C code printed by this
19078 function should now be in the skeletons.
19079 (output_trailers): Remove.
19080 (output): Disable call to 'reader_output_yylsp'.
19081 (output_rule_data): Do not output tables to the table obstack.
19082
19083 * src/output.c: Remove some C dedicated output.
19084 Improve the use of macro and output obstacks.
19085 (output_defines): Remove.
19086
19087 * src/output.c (output_token_translations): Associate 'translate'
19088 table with a macro. No output to the table obstack.
19089 (output_gram): Same for 'rhs' and 'prhs'.
19090 (output_stos): Same for 'stos'.
19091 (output_rule_data): Same for 'r1' and 'r2'.
19092 (token_actions): Same for 'defact'.
19093 (goto_actions): Same for 'defgoto'.
19094 (output_base): Same for 'pact' and 'pgoto'.
19095 (output_table): Same for 'table'.
19096 (output_check): Same for 'check'.
19097
19098 * src/output.c (output_table_data): New function.
19099 (output_short_table): Remove.
19100 (output_short_or_char_table): Remove.
19101
19102 * src/output.c (output_parser): Replace most of the skeleton copy code
19103 with something new. Skeletons are now processed character by character
19104 rather than line by line, and Bison looks for '%%' macros. This is the
19105 first step in making Bison's output process (a lot) more flexible.
19106 (output_parser): Use the macro table.
19107
191082001-08-25 Robert Anisko <robert.anisko@epita.fr>
19109
19110 * src/main.c (main): Initialize the macro table.
19111
191122001-08-25 Robert Anisko <robert.anisko@epita.fr>
19113
19114 * src/lex.c (percent_table): Add tok_define.
19115 * src/lex.h: Add tok_define.
19116
191172001-08-25 Robert Anisko <robert.anisko@epita.fr>
19118
19119 * src/macrotab.c: New file.
19120 * src/macrotab.h: New file.
19121 * src/Makefile.am: Update.
19122
191232001-08-25 Robert Anisko <robert.anisko@epita.fr>
19124
19125 * lib/hash.c: New file.
19126 * lib/hash.h: New file.
19127 * lib/Makefile.am: Update.
19128
191292001-08-15 Akim Demaille <akim@epita.fr>
19130
19131 Version 1.28c.
19132
191332001-08-15 Marc Autret <autret_m@epita.fr>
19134
19135 * src/reader.c (readgram): Indent output macro YYSTYPE.
19136 (packsymbols): Likewise.
19137 (output_token_defines): Likewise.
19138 * src/files.c: Standardize.
19139 (compute_header_macro): New.
19140 (defines_obstack_save): New. Use compute_header_macro.
19141 (output_files): Update. Use defines_obstack_save.
19142
191432001-08-15 Akim Demaille <akim@epita.fr>
19144
19145 * doc/bison.texinfo (Table of Symbols): Document
19146 YYSTACK_USE_ALLOCA.
19147
191482001-08-15 Akim Demaille <akim@epita.fr>
19149
19150 * missing: Update from CVS Automake.
19151 * config/config.guess, config/config.sub, config/texinfo.tex:
19152 Update from gnu.org.
19153
191542001-08-15 Akim Demaille <akim@epita.fr>
19155
19156 * Makefile.maint: Sync with CVS Autoconf.
19157
191582001-08-14 Pascal Bart <pascal.bart@epita.fr>
19159
19160 * doc/bison.texinfo: Include GNU Free Documentation License from
19161 `fdl.texi'.
19162 * doc/fdl.texi: Add to package.
19163
191642001-08-14 Marc Autret <autret_m@epita.fr>
19165
19166 Turn on %{source,header}_extension features.
19167
19168 * src/lex.c (percent_table): Un-CPP out header_extension and
19169 source_extension.
19170 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
19171 (compute_exts_from_src): Remove conditions. It restores priorities
19172 between options.
19173
191742001-08-14 Marc Autret <autret_m@epita.fr>
19175
19176 * src/files.c (compute_base_names): Add extensions computing when
19177 `--file-prefix' used.
19178 Standardize function calls.
19179
191802001-08-13 Marc Autret <autret_m@epita.fr>
19181
19182 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
19183 defining it (defined but null disables alloca).
19184
191852001-08-13 Marc Autret <autret_m@epita.fr>
19186
19187 * src/bison.simple (_yy_memcpy): CPP reformat.
19188
191892001-08-13 Pascal Bart <pascal.bart@epita.fr>
19190
19191 * tests/atconfig.in (CPPFLAGS): Fix.
19192
191932001-08-10 Pascal Bart <pascal.bart@epita.fr>
19194
19195 * doc/bison.texinfo: Include GNU General Public License from
19196 `gpl.texi'.
19197 * doc/gpl.texi: Add to package.
19198
191992001-08-10 Marc Autret <autret_m@epita.fr>
19200
19201 * src/print_graph.h: Fix.
19202 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
19203
192042001-08-10 Akim Demaille <akim@epita.fr>
19205
19206 * src/system.h: Provide default declarations for stpcpy, strndup,
19207 and strnlen.
19208
192092001-08-10 Robert Anisko <anisko_r@epita.fr>
19210
19211 * doc/bison.texinfo (Locations): Update @$ stuff.
19212
192132001-08-09 Robert Anisko <anisko_r@epita.fr>
19214
19215 * src/bison.simple (YYLLOC_DEFAULT): Update.
19216 (yyparse): Adjust.
19217
192182001-08-08 Marc Autret <autret_m@epita.fr>
19219
19220 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
19221 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
19222 Reported by Fabrice Bauzac.
19223
192242001-08-08 Marc Autret <autret_m@epita.fr>
19225
19226 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
19227 * src/vcg.c (output_node): Fix.
19228 * src/vcg.h: Cleanup.
19229 * src/print_graph.c: Add comments.
19230 (node_output_size): New global variable. Simplify the formatting of
19231 the VCG graph output.
19232 (print_actions): Unused code is now used. It notifies the final state
19233 and no action states in the VCG graph. It also give the reduce actions.
19234 The `shift and goto' edges are red and the `go to state' edges are
19235 blue.
19236 Get the current node name and node_obstack by argument.
19237 (node_obstack): New variable.
19238 (print_state): Manage node_obstack.
19239 (print_core): Use node_obstack given by argument.
19240 A node is not only computed here but in print_actions also.
19241 (print_graph): CPP out useless code instead of commenting it.
19242
192432001-08-07 Pascal Bart <pascal.bart@epita.fr>
19244
19245 * tests/atconfig.in (CPPFLAGS): Fix.
19246
192472001-08-07 Akim Demaille <akim@epita.fr>
19248
19249 * src/print_graph.c (quote): New.
19250 (print_core): Use it.
19251
192522001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
19253
19254 * src/vcg.c (complain.h): Include it.
19255 Unepitaize `return' invocations.
19256 [NDEBUG] (main): Remove.
19257 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
19258 * src/files.c (open_files): Initialize graph_obstack.
19259 * src/print_graph.c (print_actions): CPP out useless code.
19260 (print_core): Don't output the last `\n' in labels.
19261 Use `quote'.
19262 * src/files.c (output_files): Output the VCG file.
19263 * src/main.c (main): Invoke print_graph ();
19264
192652001-08-06 Marc Autret <autret_m@epita.fr>
19266
19267 Automaton VCG graph output.
19268 Using option ``-g'' or long option ``--graph'', you can generate
19269 a gram_filename.vcg file containing a VCG description of the LALR (1)
19270 automaton of your grammar.
19271
19272 * src/main.c: Call to print_graph() function.
19273 * src/getargs.h: Update.
19274 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
19275 (graph_flag): New flag.
19276 (longopts): Update.
19277 (getargs): Add case `g'.
19278 * src/files.c (graph_obstack): New obstack struct.
19279 (open_files): Initialize new obstack.
19280 (output_files): Saves graph_obstack if required.
19281 * src/files.h (graph_obstack): New extern declaration.
19282 * src/Makefile.am: Add new source files.
19283
192842001-08-06 Marc Autret <autret_m@epita.fr>
19285
19286 * src/print_graph.c, src/print_graph.h (graph): New.
19287 * src/vcg.h: New file.
19288 * src/vcg.c: New file, VCG graph handling.
19289
192902001-08-06 Marc Autret <autret_m@epita.fr>
19291
19292 Add of %source_extension and %header_extension which specify
19293 the source or/and the header output file extension.
19294
19295 * src/files.c (compute_base_names): Remove initialisation of
19296 src_extension and header_extension.
19297 (compute_exts_from_gf): Update.
19298 (compute_exts_from_src): Update.
19299 (output_files): Update.
19300 * src/reader.c (parse_header_extension_decl): New.
19301 (parse_source_extension_decl): New.
19302 (read_declarations): New case statements for the new tokens.
19303 * src/lex.c (percent_table): Add entries for %source_extension
19304 and %header_extension.
19305 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
19306
193072001-08-06 Marc Autret <autret_m@epita.fr>
19308
19309 * configure.in: Bump to 1.28c.
19310 * doc/bison.texinfo: Texinfo thingies.
19311
193122001-08-04 Pascal Bart <pascal.bart@epita.fr>
19313
19314 * tests/atconfig.in (CPPFLAGS): Add.
19315 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
19316
193172001-08-03 Akim Demaille <akim@epita.fr>
19318
19319 Version 1.28b.
19320
193212001-08-03 Akim Demaille <akim@epita.fr>
19322
19323 * tests/Makefile.am (check-local): Ship testsuite.
19324 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
19325 Include `string.h'.
19326
193272001-08-03 Akim Demaille <akim@epita.fr>
19328
19329 * configure.in: Try using -Wformat when compiling.
19330
193312001-08-03 Akim Demaille <akim@epita.fr>
19332
19333 * configure.in: Bump to 1.28b.
19334
193352001-08-03 Akim Demaille <akim@epita.fr>
19336
19337 * src/complain.c: Adjust strerror_r portability issues.
19338
193392001-08-03 Akim Demaille <akim@epita.fr>
19340
19341 Version 1.28a.
19342
193432001-08-03 Akim Demaille <akim@epita.fr>
19344
19345 * src/getargs.c, src/getarg.h (skeleton)): Constify.
19346 * src/lex.c (literalchar): Avoid name clashes on `buf'.
19347 * src/getargs.c: Include complain.h.
19348 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
19349 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
19350
193512001-08-03 Akim Demaille <akim@epita.fr>
19352
19353 * src/reader.c (readgram): Display hidden chars in error messages.
19354
193552001-08-03 Akim Demaille <akim@epita.fr>
19356
19357 Update to gettext 0.10.39.
19358
193592001-08-03 Akim Demaille <akim@epita.fr>
19360
19361 * lib/strspn.c: New.
19362
193632001-08-01 Marc Autret <autret_m@epita.fr>
19364
19365 * doc/bison.texinfo: Update.
19366 * doc/bison.1 (mandoc): Update.
19367 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
19368 * src/files.c: Support output files extensions computing.
19369 (src_extension): New static variable.
19370 (header_extension): New static variable.
19371 (tr): New function.
19372 (get_extension_index): New function, gets the index of an extension
19373 filename in a string.
19374 (compute_exts_from_gf): New function, computes extensions from the
19375 grammar file extension.
19376 (compute_exts_from_src): New functions, computes extensions from the
19377 C source file extension, file given by ``-o'' option.
19378 (compute_base_names): Update.
19379 (output_files): Update.
19380
193812001-08-01 Robert Anisko <anisko_r@epita.fr>
19382
19383 * doc/bison.texi: Document @$.
19384 (Locations): New section.
19385
193862001-07-18 Akim Demaille <akim@epita.fr>
19387
19388 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
19389 * config/prev-version.txt, config/move-if-change: New.
19390 * Makefile.am: Adjust.
19391
193922001-07-08 Pascal Bart <pascal.bart@epita.fr>
19393
19394 * src/bison.simple (yyparse): Suppress warning `comparaison
19395 between signed and unsigned'.
19396
193972001-07-05 Pascal Bart <pascal.bart@epita.fr>
19398
19399 * src/getargs.h (raw_flag): Remove.
19400 * src/getargs.c: Die on `-r'/`--raw'.
19401 * src/lex.c (parse_percent_token): Die on `%raw'.
19402 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
19403 * tests/calc.at: Suppress test with option `--raw'.
19404
194052001-07-14 Akim Demaille <akim@epita.fr>
19406
19407 * config/: New.
19408 * configure.in: Require Autoconf 2.50.
19409 Update to gettext 0.10.38.
19410
194112001-03-16 Akim Demaille <akim@epita.fr>
19412
19413 * doc/bison.texinfo: ANSIfy the examples.
19414
194152001-03-16 Akim Demaille <akim@epita.fr>
19416
19417 * getargs.c (skeleton): New variable.
19418 (longopts): --skeleton is a new option.
19419 (shortopts, getargs): -S is a new option.
19420 * getargs.h: Declare skeleton.
19421 * output.c (output_parser): Use it.
19422
194232001-03-16 Akim Demaille <akim@epita.fr>
19424
19425 * m4/strerror_r.m4: New.
19426 * m4/error.m4: Run AC_FUNC_STRERROR_R.
19427 * lib/error.h, lib/error.c: Update.
19428
194292001-03-16 Akim Demaille <akim@epita.fr>
19430
19431 * src/getargs.c (longopts): Clean up.
19432
194332001-02-21 Akim Demaille <akim@epita.fr>
19434
19435 * src/reader.c (gensym): `gensym_count' is your own.
19436 Use a static buf to create the symbol name, as token_buffer is no
19437 longer a buffer.
19438
194392001-02-08 Akim Demaille <akim@epita.fr>
19440
19441 * src/conflicts.c (conflict_report): Be sure not to append to res
19442 between two calls, which could happen if both first sprintf were
19443 skipped, but not the first cp += strlen.
19444
194452001-02-08 Akim Demaille <akim@epita.fr>
19446
19447 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
19448 New, from fileutils 4.0.37.
19449 * configure.in: Require Autoconf 2.49c. I took some time before
19450 making this decision. This is the only way out for portability
19451 issues in Bison, it would mean way too much duplicate effort to
19452 import in Bison features implemented in 2.49c since 2.13.
19453 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
19454
194552001-02-02 Akim Demaille <akim@epita.fr>
19456
19457 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
19458 * lib/xalloc.h, lib/xmalloc.c: Update.
19459
194602001-01-19 Akim Demaille <akim@epita.fr>
19461
19462 Get rid of the ad hoc handling of token_buffer in the scanner: use
19463 the obstacks.
19464
19465 * src/lex.c (token_obstack): New.
19466 (init_lex): Initialize it. No longer call...
19467 (grow_token_buffer): this. Remove it.
19468 Adjust all the places which used it to use the obstack.
19469
194702001-01-19 Akim Demaille <akim@epita.fr>
19471
19472 * src/lex.h: Rename all the tokens:
19473 s/\bENDFILE\b/tok_eof/g;
19474 s/\bIDENTIFIER\b/tok_identifier/g;
19475 etc.
19476 Let them be enums, not #define, to ease debugging.
19477 Adjust all the code.
19478
194792001-01-18 Akim Demaille <akim@epita.fr>
19480
19481 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
19482 * src/lex.c (maxtoken, grow_token_buffer): Static.
19483
194842001-01-18 Akim Demaille <akim@epita.fr>
19485
19486 Since we now use obstacks, more % directives can be enabled.
19487
19488 * src/lex.c (percent_table): Also accept `%yacc',
19489 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
19490 `%debug'.
19491 Handle the actions for `%semantic_parser' and `%pure_parser' here,
19492 instead of returning a token.
19493 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
19494 * src/reader.c (read_declarations): Adjust.
19495 * src/files.c (open_files): Don't call `compute_base_names', don't
19496 compute `attrsfile' since they depend upon data which might be
19497 *in* the input file now.
19498 (output_files): Do it here.
19499 * src/output.c (output_headers): Document the fact that this patch
19500 introduces a guaranteed SEGV for semantic parsers.
19501 * doc/bison.texinfo: Document them.
19502 * tests/suite.at: Exercise these %options.
19503
195042000-12-20 Akim Demaille <akim@epita.fr>
19505
19506 Also handle the output file (--verbose) with obstacks.
19507
19508 * files.c (foutput): Remove.
19509 (output_obstack): New.
19510 Adjust all dependencies.
19511 * src/conflicts.c: Return a string.
19512 * src/system.h (obstack_grow_string): Rename as...
19513 (obstack_sgrow): this. Be ready to work with non literals.
19514 (obstack_fgrow4): New.
19515
195162000-12-20 Akim Demaille <akim@epita.fr>
19517
19518 * src/files.c (open_files): Fix the computation of short_base_name
19519 in the case of `-o foo.tab.c'.
19520
195212000-12-20 Akim Demaille <akim@epita.fr>
19522
19523 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
19524 (copy_dollar): Now that everything uses obstacks, get rid of the
19525 FILE * parameters.
19526
195272000-12-20 Akim Demaille <akim@epita.fr>
19528
19529 * src/files.c (open_files): Actually the `.output' file is based
19530 on the short_base_name, not base_name.
19531 * tests/suite.at (Checking output file names): Adjust.
19532
195332000-12-20 Akim Demaille <akim@epita.fr>
19534
19535 * src/bison.s1: Remove, we now use directly...
19536 * src/bison.simple: this.
19537 * src/Makefile.am: Use pkgdata instead of data.
19538
195392000-12-20 Akim Demaille <akim@epita.fr>
19540
19541 * src/files.c (guard_obstack): New.
19542 (open_files): Initialize it.
19543 (output_files): Dump it...
19544 * src/files.h: Export it.
19545 * src/reader.c (copy_guard): Use it.
19546
195472000-12-19 Akim Demaille <akim@epita.fr>
19548
19549 * src/files.c (outfile, defsfile, actfile): Removed as global
19550 vars.
19551 (open_files): Don't compute them.
19552 (output_files): Adjust.
19553 (base_name, short_base_name): Be global.
19554 Adjust dependencies.
19555
195562000-12-19 Akim Demaille <akim@epita.fr>
19557
19558 * src/files.c (strsuffix): New.
19559 (stringappend): Be just like strcat but allocate.
19560 (base_names): Eve out from open_files.
19561 Try to simplify the rather hairy computation of base_name and
19562 short_base_name.
19563 (open_files): Use it.
19564 * tests/suite.at (Checking output file names): New test.
19565
195662000-12-19 Akim Demaille <akim@epita.fr>
19567
19568 * src/system.h (obstack_grow_literal_string): Rename as...
19569 (obstack_grow_string): this.
19570 * src/output.c (output_parser): Recognize `%% actions' instead of
19571 `$'.
19572 * src/bison.s1: s/$/%% actions/.
19573 * src/bison.hairy: Likewise.
19574
195752000-12-19 Akim Demaille <akim@epita.fr>
19576
19577 * src/output.c (output_parser): Compute the `#line' lines when
19578 there are.
19579 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
19580 Suggested by Hans Aberg.
19581
195822000-12-19 Akim Demaille <akim@epita.fr>
19583
19584 Let the handling of the skeleton files be local to the procedures
19585 that use it.
19586
19587 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
19588 longer static.
19589 (fparser, open_extra_files): Remove.
19590 (open_files, output_files): Don't take care of fparser.
19591 * src/files.h: Adjust.
19592 * src/output.c (output_parser): Open and close the file to the
19593 skeleton.
19594 * src/reader.c (read_declarations): When %semantic_parser, open
19595 fguard.
19596
195972000-12-19 Akim Demaille <akim@epita.fr>
19598
19599 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
19600 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
19601
196022000-12-19 Akim Demaille <akim@epita.fr>
19603
19604 * src/files.c (open_files): Yipee! We no longer need all the code
19605 looking for `/tmp' since we have no tmp file.
19606
196072000-12-19 Akim Demaille <akim@epita.fr>
19608
19609 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
19610 New macros.
19611 * src/files.c (open_files): Less dependency on MSDOS etc.
19612
196132000-12-14 Akim Demaille <akim@epita.fr>
19614
19615 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
19616 Provide a default definition.
19617 Use it when executing the default @ action.
19618 * src/reader.c (reader_output_yylsp): No longer include
19619 `timestamp' and `text' in the default YYLTYPE.
19620
196212000-12-12 Akim Demaille <akim@epita.fr>
19622
19623 * src/reader.c (copy_definition, parse_union_decl, copy_action)
19624 (copy_guard): Quote the file names.
19625 Reported by Laurent Mascherpa.
19626
196272000-12-12 Akim Demaille <akim@epita.fr>
19628
19629 * src/output.c (output_headers, output_program, output): Be sure
19630 to escape special characters when outputting filenames.
19631 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
19632 (output_headers): Don't depend on them, Use ACTSTR.
19633
196342000-11-17 Akim Demaille <akim@epita.fr>
19635
19636 * lib/obstack.h: Formatting changes.
19637 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
19638 prevents type checking.
19639 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
19640 cast the value to (void *): assigning a `foo *' to a `void *'
19641 variable is valid.
19642 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
19643 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
19644 append characters.
19645
196462000-11-17 Akim Demaille <akim@epita.fr>
19647
19648 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
19649 as...
19650 (suite.m4, regression.m4, calc.m4): these.
19651 * tests/atgeneral.m4: Update from CVS Autoconf.
19652
196532000-11-17 Akim Demaille <akim@epita.fr>
19654
19655 * tests/regression.m4 (%union and --defines): New test,
19656 demonstrating a current bug in the obstack implementation.
19657
196582000-11-17 Akim Demaille <akim@epita.fr>
19659
19660 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
19661 macros.
19662 Use them to declare the variables which are global or local to
19663 `yyparse'.
19664
196652000-11-17 Akim Demaille <akim@epita.fr>
19666
19667 * acconfig.h: Remove, no longer used.
19668
196692000-11-07 Akim Demaille <akim@epita.fr>
19670
19671 * src: s/Copyright (C)/Copyright/g.
19672
196732000-11-07 Akim Demaille <akim@epita.fr>
19674
19675 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
19676 defining.
19677 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
19678
196792000-11-07 Akim Demaille <akim@epita.fr>
19680
19681 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
19682 Merge in a single CPP if/else.
19683
196842000-11-07 Akim Demaille <akim@epita.fr>
19685
19686 * src/output.c (output): Remove useless variables.
19687 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
19688 argument `data' for consistency with the prototypes.
19689 Qualify it `const'.
19690 (obstack_copy, obstack_copy0): Rename the second argument as
19691 `address' for consistency. Qualify it `const'.
19692 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
19693 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
19694 `const' their input argument (`data' or `address').
19695 Adjust the corresponding macros to include `const' in casts.
19696
196972000-11-03 Akim Demaille <akim@epita.fr>
19698
19699 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
19700 s/PFILE1/BISON_HAIRY/.
19701 Adjust dependencies.
19702
197032000-11-03 Akim Demaille <akim@epita.fr>
19704
19705 For some reason, this was not applied.
19706
19707 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
19708 `unlink': it's no longer used.
19709
197102000-11-03 Akim Demaille <akim@epita.fr>
19711
19712 * src/files.c (skeleton_find): New function, eved out of...
19713 (open_files, open_extra_files): here.
19714
197152000-11-03 Akim Demaille <akim@epita.fr>
19716
19717 Don't use `atexit'.
19718
19719 * src/files.c (obstack_save): New function.
19720 (done): Rename as...
19721 (output_files): this.
19722 Use `obstack_save'.
19723 * src/main.c (main): Don't use `atexit' to register `done', since
19724 it no longer has to remove tmp files, just call `output_files'
19725 when there are no errors.
19726
197272000-11-02 Akim Demaille <akim@epita.fr>
19728
19729 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
19730 `unlink': it's no longer used.
19731 * src/files.h: Formatting changes.
19732
197332000-11-02 Akim Demaille <akim@epita.fr>
19734
19735 Remove the last uses of mktemp and unlink/delete.
19736
19737 * src/files.c (fdefines, ftable): Removed.
19738 (defines_ostack, table_obstack): New.
19739 Adjust dependencies of the former into uses of the latter.
19740 * src/output.c (output_short_or_char_table, output_short_table):
19741 Convert to using obstacks.
19742 * src/reader.c (copy_comment2): Accept one FILE * and two
19743 obstacks.
19744 (output_token_defines, reader_output_yylsp): Use obstacks.
19745 * src/system.h (obstack_fgrow3): New.
19746 * po/POTFILES.in: Adjust.
19747
197482000-11-01 Akim Demaille <akim@epita.fr>
19749
19750 Change each use of `fattrs' into a use of `attrs_obstack'.
19751
19752 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
19753 * src/files.c (fattrs): Remove.
19754 (attrs_obstack): New.
19755 Adjust all dependencies.
19756 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
19757
197582000-11-01 Akim Demaille <akim@epita.fr>
19759
19760 Introduce obstacks.
19761 Change each use of `faction' into a use of `action_obstack'.
19762
19763 * lib/obstack.h, lib/obstack.c: New files.
19764 * src/files.c (faction): Remove.
19765 (action_obstack): New.
19766 Adjust all dependencies.
19767
197682000-10-20 Akim Demaille <akim@epita.fr>
19769
19770 * lib/quote.h (PARAMS): New macro. Use it.
19771
197722000-10-16 Akim Demaille <akim@epita.fr>
19773
19774 * src/output.c (output_short_or_char_table): New function.
19775 (output_short_table, output_token_translations): Use it.
19776 (goto_actions): Use output_short_table.
19777
197782000-10-16 Akim Demaille <akim@epita.fr>
19779
19780 * src/symtab.c (bucket_new): New function.
19781 (getsym): Use it.
19782
19783 * src/output.c (output_short_table): New argument to display the
19784 comment associated with the table.
19785 Adjust dependencies.
19786 (output_gram): Use it.
19787 (output_rule_data): Nicer output layout for YYTNAME.
19788
197892000-10-16 Akim Demaille <akim@epita.fr>
19790
19791 * src/lex.c (read_typename): New function.
19792 (lex): Use it.
19793 * src/reader.c (copy_dollar): Likewise.
19794
197952000-10-16 Akim Demaille <akim@epita.fr>
19796
19797 * src/reader.c (copy_comment2): Expect the input stream to be on
19798 the `/' which is suspected to open a comment, instead of being
19799 called after `//' or `/*' was read.
19800 (copy_comment, copy_definition, parse_union_decl, copy_action)
19801 (copy_guard): Adjust.
19802
198032000-10-16 Akim Demaille <akim@epita.fr>
19804
19805 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
19806 `read_signed_integer'.
19807
198082000-10-16 Akim Demaille <akim@epita.fr>
19809
19810 * src/reader.c (copy_dollar): New function.
19811 (copy_guard, copy_action): Use it.
19812
198132000-10-16 Akim Demaille <akim@epita.fr>
19814
19815 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
19816 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
19817 New files, from Fileutils 4.0.27.
19818 * src/main.c (printable_version): Remove.
19819 * src/lex.c, src/reader.c: Use `quote'.
19820
198212000-10-04 Akim Demaille <akim@epita.fr>
19822
19823 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
19824
198252000-10-04 Akim Demaille <akim@epita.fr>
19826
19827 * doc/bison.texinfo: Various typos spotted by Neil Booth.
19828
198292000-10-04 Akim Demaille <akim@epita.fr>
19830
19831 When a literal string is used to define two different tokens,
19832 `bison -v' segfaults.
19833 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
19834
19835 * tests/regression.m4: New file.
19836 Include the core of the sample provided by Piotr Gackiewicz.
19837 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
19838 properly.
19839
198402000-10-04 Akim Demaille <akim@epita.fr>
19841
19842 * src/reader.c (parse_expect_decl): Keep `count' within the size
19843 of `buffer'.
19844 From Neil Booth.
19845
198462000-10-02 Paul Eggert <eggert@twinsun.com>
19847
19848 * bison.s1 (yyparse): Assign the default value
19849 unconditionally, to avoid a GCC warning and make the parser a
19850 tad smaller.
19851
198522000-10-02 Akim Demaille <akim@epita.fr>
19853
19854 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
19855 options.
19856
198572000-10-02 Akim Demaille <akim@epita.fr>
19858
19859 * src/derives.c, src/print.c, src/reduce.c: To ease the
19860 translation, move some `\n' out of the translated strings.
19861
198622000-10-02 Akim Demaille <akim@epita.fr>
19863
19864 The location tracking mechanism is precious for parse error
19865 messages. Nevertheless, it is enabled only when `@n' is used in
19866 the grammar, which is a different issue (you can use it in error
19867 message, but not in the grammar per se). Therefore, there should
19868 be another means to enable it.
19869
19870 * src/getargs.c (getargs): Support `--locations'.
19871 (usage): Report it.
19872 * src/getargs.h (locationsflag): Export it.
19873 * src/lex.c (percent_table): Support `%locations'.
19874 * src/reader.c (yylsp_needed): Remove this variable, now replaced
19875 with `locationsflag'.
19876 * doc/bison.texinfo: Document `--locations' and `%locations'.
19877 Sort the options.
19878 * tests/calc.m4: Test it.
19879
19880 For regularity of the names, replace each
19881 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
19882 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
19883 In addition replace each `flag' with `_flag'.
19884
198852000-10-02 Akim Demaille <akim@epita.fr>
19886
19887 Also test parse error messages, including with YYERROR_VERBOSE.
19888
19889 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
19890 associative).
19891 Use it to check the computations.
19892 Use it to check `nonassoc' is honored.
19893 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
19894 `--yyerror-verbose'.
19895 (_AT_CHECK_CALC): Adjust to this option.
19896 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
19897
198982000-10-02 Akim Demaille <akim@epita.fr>
19899
19900 Test also `--verbose', `--defines' and `--name-prefix'. Testing
19901 the latter demonstrates a flaw in the handling of non debugging
19902 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
19903 was used in order to simplify:
19904
19905 #if YYDEBUG
19906 if (yydebug)
19907 {
19908 ...
19909 }
19910 #endif
19911
19912 into
19913
19914 if (yydebug)
19915 {
19916 ...
19917 }
19918
19919 unfortunately this leads to a CPP conflict when
19920 `--name-prefix=foo' is used since it produces `#define yydebug
19921 foodebug'.
19922
19923 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
19924 (YYDPRINTF): New macro.
19925 Spread its use.
19926 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
19927 the bison options.
19928 Also test `--verbose', `--defines' and `--name-prefix'.
19929
199302000-10-02 Akim Demaille <akim@epita.fr>
19931
19932 Improve the readability of the produced parsers.
19933
19934 * src/bison.s1: Formatting changes.
19935 Improve the comment related to the `$' mark.
19936 (yydefault): Don't fall through to `yyresume': `goto' there.
19937 * src/output.c (output_parser): When the `$' is met, skip the end
19938 of its line.
19939 New variable, `number_of_dollar_signs', to check there's exactly
19940 one `$' in the parser skeleton.
19941
199422000-10-02 Akim Demaille <akim@epita.fr>
19943
19944 * lib/xstrdup.c: New file, from the fileutils.
19945 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
19946 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
19947 instead of strlen + xmalloc + strcpy.
19948 * src/symtab.c (copys): Remove, use xstrdup instead.
19949
199502000-10-02 Akim Demaille <akim@epita.fr>
19951
19952 * src/gram.h (associativity): New enum type which replaces the
19953 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
19954 `right_assoc', `left_assoc' and `non_assoc'.
19955 Adjust all dependencies.
19956 * src/reader.c: Formatting changes.
19957 (LTYPESTR): Don't define it, use it as a literal in
19958 `reader_output_yylsp'.
19959 * src/symtab.h (symbol_class): New enum type which replaces the
19960 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
19961 `sunknown', `stoken and `snterm'.
19962
199632000-10-02 Akim Demaille <akim@epita.fr>
19964
19965 * src/getargs.c (fixed_outfiles): Rename as...
19966 (yaccflag): for consistency and accuracy.
19967 Adjust dependencies.
19968
199692000-10-02 Akim Demaille <akim@epita.fr>
19970
19971 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
19972 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
19973 difficult and introduced a lot of core dump. It turns out that
19974 Bison used an implementation of `xmalloc' based on `calloc', and
19975 at various places it does depend upon the initialization to 0. I
19976 have not tried to isolate the pertinent places, and all the former
19977 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
19978 someone should address this issue.
19979
19980 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
19981 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
19982 files.
19983 Adjust dependencies.
19984 * src/warshall.h: New file.
19985 Propagate.
19986
199872000-10-02 Akim Demaille <akim@epita.fr>
19988
19989 Various anti-`extern in *.c' changes.
19990
19991 * src/system.h: Include `assert.h'.
19992
199932000-10-02 Akim Demaille <akim@epita.fr>
19994
19995 * src/state.h (nstates, final_state, first_state, first_shift)
19996 (first_reduction): Move their exportation from here...
19997 * src/LR0.h: to here.
19998 Adjust dependencies.
19999 * src/getargs.c (statisticsflag): New variable.
20000 Add support for `--statistics'.
20001 Adjust dependencies.
20002
20003 Remove a lot of now useless `extern' statements in most files.
20004
200052000-10-02 Akim Demaille <akim@epita.fr>
20006
20007 * src/LR0.h: New file.
20008 Propagate its use.
20009
200102000-10-02 Akim Demaille <akim@epita.fr>
20011
20012 * src/print.h: New file.
20013 Propagate its use.
20014 * src/print.c: Formatting and ordering changes.
20015 (verbose, terse): Replace with...
20016 (print_results): this new function.
20017 Adjust dependencies.
20018
200192000-10-02 Akim Demaille <akim@epita.fr>
20020
20021 * src/conflicts.c (conflict_report): New function.
20022 (conflict_log, verbose_conflict_log): Replace with...
20023 (print_conflicts): this function.
20024 Adjust dependencies.
20025 * src/conflicts.h: New file.
20026 Propagate its inclusion.
20027
200282000-10-02 Akim Demaille <akim@epita.fr>
20029
20030 * src/nullable.h: New file.
20031 Propagate its inclusion.
20032 * src/nullable.c: Formatting changes.
20033
200342000-10-02 Akim Demaille <akim@epita.fr>
20035
20036 * src/reduce.h: New file.
20037 Propagate its inclusion.
20038 * src/reduce.c: Topological sort and other formatting changes.
20039 (bool, TRUE, FALSE): Move their definition to...
20040 * src/system.h: here.
20041
200422000-10-02 Akim Demaille <akim@epita.fr>
20043
20044 * src/files.c: Formatting changes.
20045 (tryopen, tryclose, openfiles): Rename as...
20046 (xfopen, xfclose, open_files): this.
20047 (stringappend): static.
20048 * src/files.h: Complete the list of exported symbols.
20049 Propagate its use.
20050
200512000-10-02 Akim Demaille <akim@epita.fr>
20052
20053 * src/reader.h: New file.
20054 Propagate its use instead of tedious list of `extern' and
20055 prototypes.
20056 * src/reader.c: Formatting changes, topological sort,
20057 s/register//.
20058
200592000-10-02 Akim Demaille <akim@epita.fr>
20060
20061 * src/lex.h: Prototype `lex.c' exported functions.
20062 * src/reader.c: Adjust.
20063 * src/lex.c: Formatting changes.
20064 (safegetc): Rename as...
20065 (xgetc): this.
20066
200672000-10-02 Akim Demaille <akim@epita.fr>
20068
20069 * src/lalr.h: New file.
20070 Propagate its inclusion instead of prototypes and `extern'.
20071 * src/lalr.c: Formatting changes, topological sorting etc.
20072
200732000-10-02 Akim Demaille <akim@epita.fr>
20074
20075 * src/output.c (token_actions): Introduce a temporary array,
20076 YYDEFACT, that makes it possible for this function to use
20077 output_short_table.
20078
200792000-10-02 Akim Demaille <akim@epita.fr>
20080
20081 `user_toknums' is output as a `short[]' in `output.c', while it is
20082 defined as a `int[]' in `reader.c'. For consistency with the
20083 other output tables, `user_toknums' is now defined as a table of
20084 shorts.
20085
20086 * src/reader.c (user_toknums): Be a short table instead of an int
20087 table.
20088 Adjust dependencies.
20089
20090 Factor the short table outputs.
20091
20092 * src/output.c (output_short_table): New function.
20093 * src/output.c (output_gram, output_stos, output_rule_data)
20094 (output_base, output_table, output_check): Use it.
20095
200962000-10-02 Akim Demaille <akim@epita.fr>
20097
20098 * src/output.c (output): Topological sort of the functions, in
20099 order to get rid of the `static' prototypes.
20100 No longer use `register'.
20101 * src/output.h: New file.
20102 Propagate its inclusion in files explicitly prototyping functions
20103 from output.c.
20104
201052000-09-21 Akim Demaille <akim@epita.fr>
20106
20107 * src/atgeneral.m4: Update from Autoconf.
20108
201092000-09-21 Akim Demaille <akim@epita.fr>
20110
20111 * src/closure.h: New file.
20112 * src/closure.c: Formatting changes, topological sort over the
20113 functions, use of closure.h.
20114 (initialize_closure, finalize_closure): Rename as...
20115 (new_closure, free_closure): these. Adjust dependencies.
20116 * src/LR0.c: Formatting changes, topological sort, use of
20117 cloture.h.
20118 (initialize_states): Rename as...
20119 (new_states): this.
20120 * src/Makefile.am (noinst_HEADERS): Adjust.
20121
201222000-09-20 Akim Demaille <akim@epita.fr>
20123
20124 * src/acconfig.h: Don't protect config.h against multiple
20125 inclusion.
20126 Don't define PARAMS.
20127 * src/system.h: Define PARAMS.
20128 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
20129 purpose of config.h. system.h must not try to fix wrong
20130 definitions in config.h.
20131
201322000-09-20 Akim Demaille <akim@epita.fr>
20133
20134 * src/derives.h: New file.
20135 * src/main.c, src/derives.h: Use it.
20136 Formatting changes.
20137 * src/Makefile.am (noinst_HEADERS): Adjust.
20138
201392000-09-20 Akim Demaille <akim@epita.fr>
20140
20141 * tests/atgeneral.m4: Update from Autoconf.
20142 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
20143 (AT_CHECK_CALC): New macros.
20144 Use these macros to test bison with options `', `--raw',
20145 `--debug', `--yacc', `--yacc --debug'.
20146
201472000-09-19 Akim Demaille <akim@epita.fr>
20148
20149 * src/output.c: Formatting changes.
20150 * src/machine.h: Remove, leaving its contents in...
20151 * src/system.h: here.
20152 Include stdio.h.
20153 Adjust all dependencies on stdio.h and machine.h.
20154 * src/getargs.h: New file.
20155 Let all `extern' declarations about getargs.c be replaced with
20156 inclusion of `getargs.h'.
20157 * src/Makefile.am (noinst_HEADERS): Adjust.
20158
20159 * tests/calc.m4 (yyin): Be initialized in main, not on the global
20160 scope.
20161 (yyerror): Returns void, not int.
20162 * doc/bison.texinfo: Formatting changes.
20163
201642000-09-19 Akim Demaille <akim@epita.fr>
20165
20166 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
20167 portable.
20168
201692000-09-18 Akim Demaille <akim@epita.fr>
20170
20171 * configure.in: Append WARNING_CFLAGS to CFLAGS.
20172 * src/Makefile.am (INCLUDES): Don't.
20173 Be ready to fetch headers in lib/.
20174
201752000-09-18 Akim Demaille <akim@epita.fr>
20176
20177 * doc/bison.texinfo: Update the copyright.
20178 ANSIfy and GNUify the examples.
20179 Remove the old menu.
20180
201812000-09-18 Akim Demaille <akim@epita.fr>
20182
20183 First set of tests: use the `calc' example from the documentation.
20184
20185 * src/bison.s1 (yyparse): Condition the code using `yytname' which
20186 is defined only when YYDEBUG is.
20187 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
20188 * src/files.c (tryopen, tryclose): Formatting changes.
20189 Move to the top and be static.
20190 * src/reader.c (read_signed_integer): Likewise.
20191 * tests/calc.m4: New file.
20192 * Makefile.am, suite.m4: Adjust.
20193 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
20194
201952000-09-18 Akim Demaille <akim@epita.fr>
20196
20197 Add support for an Autotest test suite for Bison.
20198
20199 * m4/m4.m4, m4/atconfig.m4: New files.
20200 * m4/Makefile.am (EXTRA_DIST): Adjust.
20201 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
20202 files.
20203 * src/getargs.c: Display a more standard --version message.
20204 * src/reader.c (reader): Formatting changes.
20205 No longer depend upon VERSION_STRING.
20206 * configure.in: No longer use `dnl'.
20207 Set up the test suite and the new directory `tests/.
20208 (VERSION_STRING): Remove.
20209
202102000-04-14 Akim Demaille <akim@epita.fr>
20211
20212 * src/reader.c (copy_comment2): New function, same as former
20213 `copy_comment', but outputs into two FILE *.
20214 (copy_comment): Use it.
20215 (parse_union_decl): Use it.
20216 (get_type, parse_start_decl): Use the same `invalid' message.
20217 (parse_start_decl, parse_union_decl): Use the same `multiple'
20218 message.
20219 (parse_union_decl, copy_guard, copy_action): Use the same
20220 `unmatched' message.
20221 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
20222
202232000-03-31 Akim Demaille <akim@epita.fr>
20224
20225 * src/files.c (tryopen, tryclose): Move to the top.
20226 Be static.
20227
202282000-03-31 Akim Demaille <akim@epita.fr>
20229
20230 * src/main.c (main): Don't call `done', exit does it.
20231
202322000-03-31 Akim Demaille <akim@epita.fr>
20233
20234 * allocate.c: s/return (foo)/return foo/.
20235 * lalr.c: Likewise.
20236 * LR0.c: Likewise.
20237 * output.c: Likewise.
20238 * reader.c: Likewise.
20239 * symtab.c: Likewise.
20240 * vmsgetargs.c: Likewise.
20241
202422000-03-31 Akim Demaille <akim@epita.fr>
20243
20244 Clean up the error reporting functions.
20245
20246 * src/report.c: New file.
20247 * src/report.h: Likewise.
20248 * src/Makefile.am: Adjust.
20249 * m4/error.m4: New file.
20250 * m4/Makefile.am: Adjust.
20251 * configure.in (jm_PREREQ_ERROR): Call it.
20252 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
20253 Remove.
20254 (fatal, fatals): Remove. All callers use complain.c::fatal.
20255 (warn, warni, warns, warnss, warnss): Remove. All callers use
20256 complain.c::complain.
20257 (toomany): Remove, use fatal instead.
20258 * src/files.c (done): No argument, use complain_message_count.
20259 * src/main.c (main): Register `done' to `atexit'.
20260
20261 * src/getargs.c (usage): More `fputs', less `fprintf'.
20262
202632000-03-28 Akim Demaille <akim@epita.fr>
20264
20265 * lib/: New directory.
20266 * Makefile.am (SUBDIRS): Adjust.
20267 * configure.in: Adjust.
20268 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
20269 useless.
20270 * src/alloca.c: Moved to lib/.
20271 * src/getopt.c: Likewise.
20272 * src/getopt1.c: Likewise.
20273 * src/getopt.h: Likewise.
20274 * src/ansi2knr.c: Likewise.
20275 * src/ansi2knr.1: Likewise.
20276 * src/Makefile.am: Adjust.
20277 * lib/Makefile.am: New file.
20278
202792000-03-28 Akim Demaille <akim@epita.fr>
20280
20281 * src/getargs.c (usage): Refresh the help message.
20282
202832000-03-17 Akim Demaille <akim@epita.fr>
20284
20285 * src/getopt1.c: Updated from textutils 2.0e
20286 * src/getopt.c: Likewise.
20287 * src/getopt.h: Likewise.
20288
202892000-03-17 Akim Demaille <akim@epita.fr>
20290
20291 * src/Makefile.am (bison.simple): Fix the awk program: quote only
20292 the file name, not the whole `#line LINE FILE'.
20293
202942000-03-17 Akim Demaille <akim@epita.fr>
20295
20296 On syntax errors, report the token on which we choked.
20297
20298 * src/bison.s1 (yyparse): In the label yyerrlab, when
20299 YYERROR_VERBOSE, add yychar in msg.
20300
203012000-03-17 Akim Demaille <akim@epita.fr>
20302
20303 * src/reader.c (copy_at): New function.
20304 (copy_guard): Use it.
20305 (copy_action): Use it.
20306
203072000-03-17 Akim Demaille <akim@epita.fr>
20308
20309 Be kind to translators, save some useless translations.
20310
20311 * src/main.c (banner): New function.
20312 (fatal_banner): Use it.
20313 (warn_banner): Use it.
20314
203152000-03-17 Akim Demaille <akim@epita.fr>
20316
20317 * src/reader.c (copy_definition): Use copy_string and
20318 copy_comment. Removed now unused `match', `ended',
20319 `cplus_comment'.
20320 (copy_comment, copy_string): Moved, to be visible from
20321 copy_definition.
20322
203232000-03-17 Akim Demaille <akim@epita.fr>
20324
20325 * src/reader.c (copy_string): Declare `static inline'. No
20326 problems with inline, since it is checked by configure.
20327 (copy_comment): Likewise.
20328
203292000-03-17 Akim Demaille <akim@epita.fr>
20330
20331 * src/reader.c (packsymbols): Formatting changes.
20332
203332000-03-17 Akim Demaille <akim@epita.fr>
20334
20335 * src/reader.c (copy_comment): New function, factored out from:
20336 (copy_action): Use it. Removed now unused `match', `ended',
20337 `cplus_comment'.
20338 (copy_guard): Likewise.
20339
203402000-03-17 Akim Demaille <akim@epita.fr>
20341
20342 * src/reader.c (copy_string): New function, factored out from:
20343 (copy_action): Use it.
20344 (copy_guard): Likewise.
20345
203462000-03-17 Akim Demaille <akim@epita.fr>
20347
20348 Change the handling of @s so that they behave exactly like $s.
20349 There is now a pseudo variable @$ (readble and writable), location
20350 of the lhs of the rule (by default ranging from the location of
20351 the first symbol of the rhs, to the location of the last symbol,
20352 or, if the rhs is empty, YYLLOC).
20353
20354 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
20355 yyval.
20356 (yyparse): When providing a default semantic action, provide a
20357 default location action.
20358 (after the $): No longer change `*YYLSP', just stack YYLOC the
20359 same way you stack YYVAL.
20360 * src/reader.c (read_declarations): Use warns.
20361 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
20362 (copy_action, case '@'): Likewise.
20363 Use a standard error message, to save useless work from
20364 translators.
20365
203662000-03-17 Akim Demaille <akim@epita.fr>
20367
20368 * src/bison.s1: Formatting and cosmetics changes.
20369 * src/reader.c: Likewise.
20370 Update the Copyright notice.
20371
203722000-03-17 Akim Demaille <akim@epita.fr>
20373
20374 * src/bison.s1 (#line): All set to `#line' only, since the
20375 Makefile now handles them.
20376
203772000-03-16 Akim Demaille <akim@epita.fr>
20378
20379 * src/output.c (output_rule_data): Output the documentation of
20380 some of the tables.
20381 (Copyright notice): Update.
20382 Formatting changes.
20383
203842000-03-16 Akim Demaille <akim@epita.fr>
20385
20386 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
20387 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
20388 One `#if YYDEBUG' remains, since it uses variables which are
20389 defined only if `YYDEBUG != 0'.
20390
203912000-03-16 Akim Demaille <akim@epita.fr>
20392
20393 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
20394 and related variables so that the similarities are highlighted.
20395
203962000-03-16 Akim Demaille <akim@epita.fr>
20397
20398 * src/bison.s1: Properly indent CPP directives.
20399
204002000-03-16 Akim Demaille <akim@epita.fr>
20401
20402 * src/bison.s1: Properly indent the `alloca' CPP section.
20403
204042000-03-16 Akim Demaille <akim@epita.fr>
20405
20406 Do not hard code values of directories in `configure.in'.
20407 Update the `configure' tool chain.
20408
20409 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
20410 src/makefile.am.
20411 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
20412 (AC_OUTPUT): Add m4/Makefile.
20413 Bump to bison 1.28a, 1.29 has never been released.
20414 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
20415 handled via src/Makefile.am.
20416 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
20417 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
20418 autoheader.
20419 * Makefile.am (SUBDIRS): Add m4.
20420 (ACLOCAL_AM_FLAGS): New variable.
20421 (AUTOMAKE_OPTIONS): Add check-news.
20422 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
20423 the proper line number and file name.
20424 (DEFS): Propagate the location of bison library files and of the
20425 locale files.
20426 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
20427 builddir.
20428 * acinclude.m4: Remove, replaced by the directory m4.
20429 * m4/Makefile.am (EXTRA_DIST): New variable.
20430 * m4/gettext.m4: New file, from the fileutils.
20431 * m4/lcmessage.m4: Likewise
20432 * m4/progtest.m4: Likewise.
20433 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
20434
204352000-03-10 Akim Demaille <akim@epita.fr>
20436
20437 * src/closure.c:
20438 Formatting changes of various comments.
20439 Respect the GNU coding standards at various places.
20440 Don't use `_()' when no translation is needed.
20441
204421999-12-13 Jesse Thilo <jthilo@gnu.org>
20443
20444 * src/files.c:
20445 OS/2 honors TMPDIR environment variable.
20446
204471999-12-13 Jesse Thilo <jthilo@gnu.org>
20448
20449 * doc/bison.texinfo: Tweaked spelling and grammar.
20450 Updated ISBN.
20451 Removed reference to price of printed copy.
20452 Mention BISON_SIMPLE and BISON_HAIRY.
20453
204541999-12-13 Jesse Thilo <jthilo@gnu.org>
20455
20456 * configure.in, NEWS:
20457 Bison 1.29 released.
20458
204591999-10-27 Jesse Thilo <jthilo@gnu.org>
20460
20461 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
20462 Added reference card.
20463
204641999-07-26 Jesse Thilo <jthilo@gnu.org>
20465
20466 * po/ru.po: Added Russian translation.
20467
204681999-07-26 Jesse Thilo <jthilo@gnu.org>
20469
20470 * configure.in: Added Russian translation.
20471
204721999-07-06 Jesse Thilo <jthilo@gnu.org>
20473
20474 * configure.in, NEWS, README:
20475 Released version 1.28.
20476
204771999-06-14 Jesse Thilo <jthilo@gnu.org>
20478
20479 * src/system.h:
20480 Squashed redefinition warning on some systems.
20481
20482 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
20483 Have configure build version string instead of relying on ANSI string
20484 concatentation.
20485
204861999-06-14 Jesse Thilo <jthilo@gnu.org>
20487
20488 * po/POTFILES.in: Got rid of version.c.
20489
204901999-06-14 Jesse Thilo <jthilo@gnu.org>
20491
20492 * acconfig.h, configure.in:
20493 Have configure build version string instead of relying on ANSI string
20494 concatentation.
20495
204961999-06-08 Jesse Thilo <jthilo@gnu.org>
20497
20498 * doc/bison.1:
20499 Dropped mention of `+' for long-named options.
20500
205011999-05-30 Jesse Thilo <jthilo@gnu.org>
20502
20503 * src/files.c: Added <unistd.h> for unlink().
20504
20505 * src/Makefile.am, src/system.h:
20506 I18n fixes.
20507
205081999-05-30 Jesse Thilo <jthilo@gnu.org>
20509
20510 * README: Added a FAQ list.
20511
20512 * configure.in, acconfig.h:
20513 I18n fixes.
20514
205151999-05-30 Jesse Thilo <jthilo@gnu.org>
20516
20517 * doc/FAQ, doc/Makefile.am:
20518 Added a FAQ list.
20519
205201999-05-19 Jesse Thilo <jthilo@gnu.org>
20521
20522 * src/alloc.h, src/symtab.h, src/version.c:
20523 Protected inclusion of "config.h" with HAVE_CONFIG_H.
20524
205251999-04-18 Jesse Thilo <jthilo@gnu.org>
20526
20527 * src/.cvsignore, src/Makefile.am:
20528 Reorganized: sources in `src', documentation in `doc'.
20529
20530 * src/lex.c (literalchar):
20531 fixed the code for escaping double quotes (thanks
20532 Jonathan Czisny.)
20533
205341999-04-18 Jesse Thilo <jthilo@gnu.org>
20535
20536 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
20537 Adjusted paths to reflect directory reorganization.
20538
205391999-04-18 Jesse Thilo <jthilo@gnu.org>
20540
20541 * doc/.cvsignore, doc/Makefile.am:
20542 Reorganized: sources in `src', documentation in `doc'.
20543
205441999-04-18 Jesse Thilo <jthilo@gnu.org>
20545
20546 * configure.in:
20547 Updated AC_INIT file to reflect directory reorganization.
20548
20549 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
20550 Reorganized: sources in `src', documentation in `doc'.
20551
205521999-04-13 Jesse Thilo <jthilo@gnu.org>
20553
20554 * src/allocate.c:
20555 Don't declare calloc() and realloc() if not necessary.
20556
205571999-04-13 Jesse Thilo <jthilo@gnu.org>
20558
20559 * configure.in, acconfig.h, acinclude.m4:
20560 Don't declare calloc() and realloc() if not necessary.
20561
205621999-03-23 Jesse Thilo <jthilo@gnu.org>
20563
20564 * po/.cvsignore: Added i18n support.
20565
205661999-03-23 Jesse Thilo <jthilo@gnu.org>
20567
20568 * acconfig.h, configure.in, Makefile.am:
20569 Added i18n support.
20570
205711999-03-22 Jesse Thilo <jthilo@gnu.org>
20572
20573 * src/bison.s1: Fixed #line numbers.
20574
205751999-03-15 Jesse Thilo <jthilo@gnu.org>
20576
20577 * po/es.po, po/fr.po, po/nl.po, po/de.po:
20578 Added PO files from Translation Project.
20579
205801999-03-03 Jesse Thilo <jthilo@gnu.org>
20581
20582 * Makefile.am:
20583 Added support for non-ANSI compilers (ansi2knr).
20584
205851999-02-16 Jesse Thilo <jthilo@gnu.org>
20586
20587 * configure.in: Bumped version number to 1.27.
20588
20589 * Makefile.am:
20590 Added `bison.simple' to list of files removed by `make distclean'.
20591
205921999-02-12 Jesse Thilo <jthilo@gnu.org>
20593
20594 * src/files.c, src/files.h:
20595 Defined locations of parser files in config.h instead of Makefile.
20596
205971999-02-12 Jesse Thilo <jthilo@gnu.org>
20598
20599 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
20600 Defined locations of parser files in config.h instead of Makefile.
20601
206021999-02-09 Jesse Thilo <jthilo@gnu.org>
20603
20604 * Makefile.am:
20605 Removed inappropriate use of $< macro.
20606
206071999-02-05 Jesse Thilo <jthilo@gnu.org>
20608
20609 * po/Makefile.in.in, po/POTFILES.in:
20610 Add `po' directory skeleton.
20611
206121999-01-27 Jesse Thilo <jthilo@gnu.org>
20613
20614 * README: Document help-bison list.
20615
20616 * configure.in: Add check for mkstemp().
20617
206181999-01-20 Jesse Thilo <jthilo@gnu.org>
20619
20620 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
20621 Hush a few compiler warnings.
20622
20623 * src/files.c:
20624 Add tryclose(), which verifies that fclose was successful.
20625 Hush a couple of compiler warnings.
20626
206271999-01-20 Jesse Thilo <jthilo@gnu.org>
20628
20629 * Makefile.am, OChangeLog:
20630 ChangeLog is now automatically generated. Include the old version as
20631 OChangeLog.
20632
206331999-01-14 Jesse Thilo <jthilo@gnu.org>
20634
20635 * 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:
20636 Update FSF address.
20637
206381999-01-14 Jesse Thilo <jthilo@gnu.org>
20639
20640 * doc/bison.texinfo: Fix formatting glitch.
20641
20642 * doc/bison.texinfo: Update FSF address.
20643
206441999-01-14 Jesse Thilo <jthilo@gnu.org>
20645
20646 * acconfig.h: Update FSF address.
20647
206481999-01-08 Jesse Thilo <jthilo@gnu.org>
20649
20650 * src/system.h:
20651 Don't define PACKAGE here, since config.h defines it.
20652
206531998-12-30 Jesse Thilo <jthilo@gnu.org>
20654
20655 * src/reader.c: Update copyright date.
20656
20657 * src/main.c:
20658 Ditch sprintf to statically-sized buffers in fatal/warn functions in
20659 favor of output directly to stderr (avoids buffer overruns).
20660
20661 * src/reader.c: Some checks for premature EOF.
20662
20663 * 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:
20664 Use prototypes if the compiler understands them.
20665
20666 * src/files.c: Honor TMPDIR on Unix hosts.
20667 Use prototypes if the compiler understands them.
20668
20669 * src/reader.c:
20670 Fix a couple of buffer overrun bugs.
20671 Use prototypes if the compiler understands them.
20672
20673 * src/system.h: Include unistd.h and ctype.h.
20674 Use #ifdef instead of #if for NLS symbols.
20675
206761998-12-30 Jesse Thilo <jthilo@gnu.org>
20677
20678 * doc/bison.texinfo:
20679 Delete comment "consider using @set for edition number, etc..." since
20680 we now are doing so.
20681
206821998-12-30 Jesse Thilo <jthilo@gnu.org>
20683
20684 * configure.in:
20685 Use prototypes if the compiler understands them.
20686
20687 * NEWS: Document 1.26 highlights.
20688
20689 * Makefile.am: Require Automake 1.3 or later.
20690
20691 * acconfig.h:
20692 Use prototypes if the compiler understands them.
20693
206941998-12-29 Jesse Thilo <jthilo@gnu.org>
20695
20696 * src/version.c:
20697 Use VERSION symbol from automake for version number.
20698
206991998-12-29 Jesse Thilo <jthilo@gnu.org>
20700
20701 * acconfig.h, configure.in, version.cin:
20702 Use VERSION symbol from automake for version number.
20703
207041998-11-28 Jesse Thilo <jthilo@gnu.org>
20705
20706 * Makefile.am:
20707 Distribute original version of simple parser (bison.s1), not built
20708 version (bison.simple).
20709
207101998-11-28 Jesse Thilo <jthilo@gnu.org>
20711
20712 * doc/bison.texinfo: Add info dir entry.
20713
20714 * doc/bison.texinfo:
20715 Let automake put version number into documentation.
20716
207171998-11-26 Jesse Thilo <jthilo@gnu.org>
20718
20719 * src/bison.cld, src/build.com, src/vmshlp.mar:
20720 Add non-RCS files from /gd/gnu/bison.
20721
207221998-11-26 Jesse Thilo <jthilo@gnu.org>
20723
20724 * doc/bison.1:
20725 Document the BISON_HAIRY and BISON_SIMPLE variables.
20726
207271998-11-25 Jesse Thilo <jthilo@gnu.org>
20728
20729 * src/version.c: Build version.c automatically.
20730
20731 * src/reader.c:
20732 Fix token numbering (used to start at 258, not 257).
20733
20734 * src/system.h: Include config.h.
20735
20736 * src/getargs.c: Update bug report address.
20737
20738 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
20739 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
20740
207411998-11-25 Jesse Thilo <jthilo@gnu.org>
20742
20743 * Makefile.am:
20744 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
20745
20746 * configure.in, version.cin:
20747 Build version.c automatically.
20748
20749 * AUTHORS: Add AUTHORS file.
20750
20751 * README: Update bug report address.
20752
20753 * bison.simple:
20754 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
20755
20756 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
20757 Add automake stuff.
20758
207591998-11-25 Jesse Thilo <jthilo@gnu.org>
20760
20761 * doc/bison.texinfo: Clean up some formatting.
20762
207631998-05-05 Richard Stallman <rms@gnu.org>
20764
20765 * doc/bison.texinfo:
20766 Explain better why to make a pure parser.
20767
207681998-01-05 Richard Stallman <rms@gnu.org>
20769
20770 * src/files.c (openfiles):
20771 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
20772 find a temporary directory, if possible. Do not unlink files while
20773 they are open.
20774
207751997-08-25 Richard Stallman <rms@gnu.org>
20776
20777 * src/reader.c (stack_offset;):
20778 Change some warni to warns.
20779
20780 * src/lex.c (literalchar): Use warns, not warni.
20781
207821997-06-28 Richard Stallman <rms@gnu.org>
20783
20784 * src/bison.s1: Add a Bison version comment.
20785
20786 * src/main.c (fatal, warn, berror):
20787 Use program_name.
20788
207891997-06-28 Richard Stallman <rms@gnu.org>
20790
20791 * Makefile.in (bison_version): New variable.
20792 (dist): Use that variable.
20793 (bison.s1): Substitute the Bison version into bison.simple.
20794
20795 * bison.simple: Add a Bison version comment.
20796
207971997-06-18 Richard Stallman <rms@gnu.org>
20798
20799 * src/main.c (fatal, warn, berror):
20800 Make error messages standard.
20801 (toomany): Improve error message text.
20802
20803 * 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:
20804 new.h renamed to alloc.h.
20805
208061997-06-18 Richard Stallman <rms@gnu.org>
20807
20808 * Makefile.in: new.h renamed to alloc.h.
20809
208101997-05-24 Richard Stallman <rms@gnu.org>
20811
20812 * src/lex.c (literalchar):
20813 Fix the code for escaping \, " and '.
20814
20815 (lex): Avoid trouble when there are many chars
20816 to discard in a char literal with just several chars in it.
20817
208181997-05-17 Richard Stallman <rms@gnu.org>
20819
20820 * src/bison.s1:
20821 Use malloc, if using alloca is troublesome.
20822 (YYSTACK_USE_ALLOCA): New flag macro.
20823 Define it for some systems and compilers.
20824 (YYSTACK_ALLOC): New macro.
20825 (yyparse): Use YYSTACK_ALLOC to allocate stack.
20826 If it was malloc'd, free it.
20827
208281997-05-17 Richard Stallman <rms@gnu.org>
20829
20830 * bison.simple:
20831 Use malloc, if using alloca is troublesome.
20832 (YYSTACK_USE_ALLOCA): New flag macro.
20833 Define it for some systems and compilers.
20834 (YYSTACK_ALLOC): New macro.
20835 (yyparse): Use YYSTACK_ALLOC to allocate stack.
20836 If it was malloc'd, free it.
20837
208381997-04-23 Richard Stallman <rms@gnu.org>
20839
20840 * src/bison.s1:
20841 (alloca) [__hpux]: Always define as __builtin_alloca.
20842
208431997-04-23 Richard Stallman <rms@gnu.org>
20844
20845 * bison.simple:
20846 (alloca) [__hpux]: Always define as __builtin_alloca.
20847
208481997-04-22 Richard Stallman <rms@gnu.org>
20849
20850 * src/bison.s1:
20851 [__hpux]: Include alloca.h (right for HPUX 10)
20852 instead of declaring alloca (right for HPUX 9).
20853
20854 * src/bison.s1 (__yy_memcpy):
20855 Declare arg `count' as unsigned int.
20856 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
20857
208581997-04-22 Richard Stallman <rms@gnu.org>
20859
20860 * bison.simple:
20861 [__hpux]: Include alloca.h (right for HPUX 10)
20862 instead of declaring alloca (right for HPUX 9).
20863
20864 * bison.simple (__yy_memcpy):
20865 Declare arg `count' as unsigned int.
20866 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
20867
208681997-01-03 Richard Stallman <rms@gnu.org>
20869
20870 * src/allocate.c: [__STDC__ or _MSC_VER]:
20871 Declare calloc and realloc to return void *.
20872
208731997-01-02 Richard Stallman <rms@gnu.org>
20874
20875 * src/system.h:
20876 [_MSC_VER]: Include stdlib.h and process.h.
20877 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
20878
20879 * src/main.c (main): Return FAILURE as a value.
20880 (printable_version): Declare arg as int, not char.
20881
208821997-01-02 Richard Stallman <rms@gnu.org>
20883
20884 * Makefile.in (dist):
20885 Explicitly check for symlinks, and copy them.
20886
208871996-12-19 Richard Stallman <rms@gnu.org>
20888
20889 * src/files.c:
20890 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
20891
208921996-12-18 Paul Eggert <eggert@gnu.org>
20893
20894 * src/bison.s1 (yyparse):
20895 If __GNUC__ and YYPARSE_PARAM are both defined,
20896 declare yyparse to have a void * argument.
20897
208981996-12-18 Paul Eggert <eggert@gnu.org>
20899
20900 * bison.simple (yyparse):
20901 If __GNUC__ and YYPARSE_PARAM are both defined,
20902 declare yyparse to have a void * argument.
20903
209041996-12-17 Richard Stallman <rms@gnu.org>
20905
20906 * src/reduce.c (nbits): Add some casts.
20907
209081996-08-12 Richard Stallman <rms@gnu.org>
20909
20910 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
20911
209121996-08-12 Richard Stallman <rms@gnu.org>
20913
20914 * bison.simple: Test _MSDOS as well as _MSDOS_.
20915
209161996-07-31 Richard Stallman <rms@gnu.org>
20917
20918 * src/bison.s1:
20919 [__sun && __i386]: Include alloca.h.
20920
209211996-07-31 Richard Stallman <rms@gnu.org>
20922
20923 * bison.simple:
20924 [__sun && __i386]: Include alloca.h.
20925
209261996-07-30 Richard Stallman <rms@gnu.org>
20927
20928 * src/bison.s1: Comment change.
20929
20930 * src/bison.s1: Test _MSDOS_, not MSDOS.
20931
209321996-07-30 Richard Stallman <rms@gnu.org>
20933
20934 * bison.simple: Comment change.
20935
20936 * bison.simple: Test _MSDOS_, not MSDOS.
20937
209381996-06-01 Richard Stallman <rms@gnu.org>
20939
20940 * 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:
20941 Insert `_' macro around many string constants.
20942
20943 * src/main.c:
20944 Insert `_' macro around many string constants.
20945
20946 (main): Call setlocale, bindtextdomain and textdomain.
20947
20948 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
20949 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
20950 [ENABLE_NLS]: Include libintl.h.
20951 [ENABLE_NLS] (gettext): Define.
20952 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
20953 (N_, PACKAGE, LOCALEDIR): New macros.
20954
209551996-06-01 Richard Stallman <rms@gnu.org>
20956
20957 * POTFILES.in: New file.
20958
20959 * Makefile.in (allocate.o):
20960 Define target explicitly.
20961
20962 * Makefile.in (CFLAGS): Set to @CFLAGS@.
20963 (LDFLAGS): Set to @LDFLAGS@.
20964 (configure): Run autoconf only if preceding `cd' succeeds.
20965 (bison.s1): Redirect output to temporary file then move the
20966 temporary to the target, rather than redirecting directly to bison.s1.
20967 (clean): Remove config.status and config.log.
20968 (distclean): Don't remove config.status here.
20969
209701996-05-12 Richard Stallman <rms@gnu.org>
20971
20972 * src/bison.s1:
20973 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
20974
209751996-05-12 Richard Stallman <rms@gnu.org>
20976
20977 * bison.simple:
20978 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
20979
209801996-05-11 Richard Stallman <rms@gnu.org>
20981
20982 * src/bison.s1 (__yy_memcpy):
20983 Really reorder the args, as was supposedly done on Feb 14 1995.
20984 (yyparse): Calls changed accordingly.
20985
209861996-05-11 Richard Stallman <rms@gnu.org>
20987
20988 * Makefile.in (dist): Don't use $(srcdir).
20989
20990 * bison.simple (__yy_memcpy):
20991 Really reorder the args, as was supposedly done on Feb 14 1995.
20992 (yyparse): Calls changed accordingly.
20993
209941996-01-27 Richard Stallman <rms@gnu.org>
20995
20996 * src/output.c (output_rule_data):
20997 Test YYERROR_VERBOSE in the conditional
20998 around the definition of ttyname.
20999
210001995-12-29 Richard Stallman <rms@gnu.org>
21001
21002 * src/bison.s1:
21003 Fix line numbers in #line commands.
21004
210051995-12-29 Richard Stallman <rms@gnu.org>
21006
21007 * bison.simple:
21008 Fix line numbers in #line commands.
21009
210101995-12-27 Richard Stallman <rms@gnu.org>
21011
21012 * src/bison.s1 (YYPARSE_PARAM_DECL):
21013 In C++, make it always null.
21014 (YYPARSE_PARAM_ARG): New macro.
21015 (yyparse): Use YYPARSE_PARAM_ARG.
21016
210171995-12-27 Richard Stallman <rms@gnu.org>
21018
21019 * bison.simple (YYPARSE_PARAM_DECL):
21020 In C++, make it always null.
21021 (YYPARSE_PARAM_ARG): New macro.
21022 (yyparse): Use YYPARSE_PARAM_ARG.
21023
210241995-11-29 Richard Stallman <rms@gnu.org>
21025
21026 * doc/bison.texinfo:
21027 Describe literal string tokens, %raw, %no_lines, %token_table.
21028
210291995-11-29 Daniel Hagerty <hag@gnu.org>
21030
21031 * doc/bison.texinfo: Fixed update date
21032
210331995-10-16 Richard Stallman <rms@gnu.org>
21034
21035 * src/version.c: Version 1.25.
21036
210371995-10-16 Richard Stallman <rms@gnu.org>
21038
21039 * NEWS: *** empty log message ***
21040
210411995-10-16 Richard Stallman <rms@gnu.org>
21042
21043 * doc/bison.1, doc/bison.rnh:
21044 Add new options.
21045
210461995-10-15 Richard Stallman <rms@gnu.org>
21047
21048 * src/vmsgetargs.c, src/getargs.c:
21049 Added -n, -k, and -raw switches.
21050 (noparserflag, toknumflag, rawtoknumflag): New variables.
21051
21052 * src/symtab.h (SALIAS):
21053 New #define for adding aliases to %token.
21054 (struct bucket): Added `alias' field.
21055
21056 * src/reduce.c (reduce_grammar):
21057 Revise error message.
21058 (print_notices): Remove final `.' from error message.
21059
21060 * src/reader.c (reader_output_yylsp):
21061 New function.
21062 (readgram): Use `#if 0' around code that accepted %command
21063 inside grammar rules: The documentation doesn't allow it,
21064 and it will fail since the %command processors scan for the next %.
21065 (parse_token_decl): Extended the %token
21066 declaration to allow a multi-character symbol as an alias.
21067 (parse_thong_decl): New function.
21068 (read_declarations): Added %thong declarations.
21069 (read_declarations): Handle NOOP to deal with allowing
21070 % declarations as another means to specify the flags.
21071 (readgram): Allow %prec prior to semantics embedded in a rule.
21072 (skip_to_char, read_declarations, copy_definition)
21073 (parse_token_decl, parse_start_decl, parse_type_decl)
21074 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
21075 (get_type_name, copy_guard, copy_action, readgram)
21076 (get_type, packsymbols): Revised most error messages.
21077 Changed `fatal' to `warnxxx' to avoid aborting for error.
21078 Revised and use multiple warnxxx functions to avoid using VARARGS1.
21079 (read_declarations): Improve the error message for
21080 an invalid character. Do not abort.
21081 (read_declarations, copy_guard, copy_action): Use
21082 printable_version to avoid unprintable characters in printed output.
21083 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
21084 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
21085 Allow the type of a non-terminal can be given
21086 more than once, as long as all specifications give the same type.
21087
21088 * src/output.c:
21089 (output_headers, output_trailers, output, output_gram)
21090 (output_rule_data): Implement noparserflag variable.
21091 Implement toknumflag variable.
21092 (output): Call reader_output_yylsp to output LTYPESTR.
21093
21094 * src/main.c (main):
21095 If reader sees an error, don't process the grammar.
21096 (fatals): Updated to not use VARARGS1.
21097 (printable_version, int_to_string, warn, warni, warns, warnss)
21098 (warnsss): New error reporting functions. Avoid abort for error.
21099
21100 * src/lex.h:
21101 Added THONG and NOOP for alias processing.
21102 Added SETOPT for the new code that allows setting options with %flags.
21103
21104 * src/lex.c:
21105 Include getopt.h. Add some extern decls.
21106 (safegetc): New function to deal with EOF gracefully.
21107 (literalchar); new function to deal with reading \ escapes.
21108 (lex): Use literalchar.
21109 (lex): Implemented "..." tokens.
21110 (literalchar, lex, parse_percent_token): Made tokenbuffer
21111 always contain the token. This includes growing the token
21112 buffer while reading an integer.
21113 (parse_percent_token): Replaced if-else statement with percent_table.
21114 (parse_percent_token): Added % declarations as another
21115 way to specify the flags -n, -l, and -r. Also added hooks for
21116 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
21117 major changes to files.c.
21118 (lex) Retain in the incoming stream a character following
21119 an incorrect '/'.
21120 (skip_white_space, lex): Revised most error messages
21121 and changed fatal to warn to avoid aborting.
21122 (percent_table): Added %thong declarations.
21123
21124 * src/gram.h: Comment changes.
21125
21126 * src/files.c (openfiles, open_extra_files, done):
21127 Add faction flag
21128 and actfile file. Handle noparserflag. Both for -n switch.
21129
21130 * src/conflicts.c (resolve_sr_conflict):
21131 Remove use of alloca.
21132
211331995-06-01 Jim Meyering <meyering@gnu.org>
21134
21135 * doc/bison.texinfo: *** empty log message ***
21136
211371995-05-06 Richard Stallman <rms@gnu.org>
21138
21139 * src/bison.s1: Comment change.
21140
211411995-05-06 Richard Stallman <rms@gnu.org>
21142
21143 * bison.simple: Comment change.
21144
211451995-05-03 Richard Stallman <rms@gnu.org>
21146
21147 * src/version.c: Version now 1.24.
21148
21149 * src/bison.s1: Change distribution terms.
21150
21151 * src/version.c: Version now 1.23.
21152
211531995-05-03 Richard Stallman <rms@gnu.org>
21154
21155 * doc/bison.texinfo:
21156 Rewrite "Conditions for Using Bison".
21157 Update version to 1.24.
21158
211591995-05-03 Richard Stallman <rms@gnu.org>
21160
21161 * bison.simple: Change distribution terms.
21162
211631995-02-23 Richard Stallman <rms@gnu.org>
21164
21165 * src/files.c: Test __VMS_POSIX as well as VMS.
21166
211671995-02-14 Jim Meyering <meyering@gnu.org>
21168
21169 * src/bison.s1 (__yy_memcpy):
21170 Renamed from __yy_bcopy to avoid
21171 confusion. Reverse FROM and TO arguments to be consistent with
21172 those of memcpy.
21173
211741995-02-14 Jim Meyering <meyering@gnu.org>
21175
21176 * bison.simple (__yy_memcpy):
21177 Renamed from __yy_bcopy to avoid
21178 confusion. Reverse FROM and TO arguments to be consistent with
21179 those of memcpy.
21180
211811994-11-10 David J. MacKenzie <djm@gnu.org>
21182
21183 * NEWS: reformat
21184
21185 * NEWS: New file.
21186
21187 * Makefile.in (DISTFILES): Include NEWS.
21188
21189 * Makefile.in (DISTFILES):
21190 Include install-sh, not install.sh.
21191
21192 * configure.in: Update to Autoconf v2 macro names.
21193
211941994-10-05 David J. MacKenzie <djm@gnu.org>
21195
21196 * Makefile.in: fix typo
21197
21198 * Makefile.in (prefix, exec_prefix):
21199 Let configure set them.
21200
212011994-09-28 David J. MacKenzie <djm@gnu.org>
21202
21203 * Makefile.in: Set datadir to $(prefix)/share.
21204
212051994-09-15 Richard Stallman <rms@gnu.org>
21206
21207 * src/bison.s1:
21208 Update copyright notice and GPL version.
21209
212101994-09-15 Richard Stallman <rms@gnu.org>
21211
21212 * bison.simple:
21213 Update copyright notice and GPL version.
21214
212151994-07-12 Richard Stallman <rms@gnu.org>
21216
21217 * src/reduce.c, src/reader.c:
21218 entered into RCS
21219
212201994-05-05 David J. MacKenzie <djm@gnu.org>
21221
21222 * Makefile.in: entered into RCS
21223
212241994-03-26 Richard Stallman <rms@gnu.org>
21225
21226 * src/bison.s1: entered into RCS
21227
212281994-03-26 Richard Stallman <rms@gnu.org>
21229
21230 * bison.simple: entered into RCS
21231
212321994-03-25 Richard Stallman <rms@gnu.org>
21233
21234 * src/main.c: entered into RCS
21235
212361994-03-24 Richard Stallman <rms@gnu.org>
21237
21238 * src/conflicts.c: entered into RCS
21239
212401994-01-02 Richard Stallman <rms@gnu.org>
21241
21242 * Makefile.in: *** empty log message ***
21243
212441993-11-21 Richard Stallman <rms@gnu.org>
21245
21246 * src/bison.s1: *** empty log message ***
21247
212481993-11-21 Richard Stallman <rms@gnu.org>
21249
21250 * doc/bison.texinfo: entered into RCS
21251
21252 * doc/bison.texinfo: *** empty log message ***
21253
212541993-11-21 Richard Stallman <rms@gnu.org>
21255
21256 * bison.simple: *** empty log message ***
21257
212581993-10-25 David J. MacKenzie <djm@gnu.org>
21259
21260 * doc/bison.texinfo: *** empty log message ***
21261
212621993-10-19 Richard Stallman <rms@gnu.org>
21263
21264 * src/bison.s1: *** empty log message ***
21265
212661993-10-19 Richard Stallman <rms@gnu.org>
21267
21268 * bison.simple: *** empty log message ***
21269
212701993-10-14 Richard Stallman <rms@gnu.org>
21271
21272 * src/bison.s1: *** empty log message ***
21273
212741993-10-14 Richard Stallman <rms@gnu.org>
21275
21276 * bison.simple: *** empty log message ***
21277
212781993-09-14 David J. MacKenzie <djm@gnu.org>
21279
21280 * doc/bison.texinfo: *** empty log message ***
21281
212821993-09-13 Noah Friedman <friedman@gnu.org>
21283
21284 * Makefile.in: *** empty log message ***
21285
212861993-09-10 Richard Stallman <rms@gnu.org>
21287
21288 * src/conflicts.c: *** empty log message ***
21289
21290 * src/system.h: entered into RCS
21291
212921993-09-10 Richard Stallman <rms@gnu.org>
21293
21294 * doc/bison.1: entered into RCS
21295
212961993-09-06 Noah Friedman <friedman@gnu.org>
21297
21298 * src/version.c: entered into RCS
21299
213001993-09-06 Noah Friedman <friedman@gnu.org>
21301
21302 * Makefile.in: *** empty log message ***
21303
213041993-07-30 David J. MacKenzie <djm@gnu.org>
21305
21306 * Makefile.in: *** empty log message ***
21307
213081993-07-24 Richard Stallman <rms@gnu.org>
21309
21310 * src/bison.s1: *** empty log message ***
21311
213121993-07-24 Richard Stallman <rms@gnu.org>
21313
21314 * bison.simple: *** empty log message ***
21315
213161993-07-08 David J. MacKenzie <djm@gnu.org>
21317
21318 * Makefile.in: *** empty log message ***
21319
213201993-07-04 Richard Stallman <rms@gnu.org>
21321
21322 * src/bison.s1: *** empty log message ***
21323
213241993-07-04 Richard Stallman <rms@gnu.org>
21325
21326 * bison.simple: *** empty log message ***
21327
213281993-06-26 David J. MacKenzie <djm@gnu.org>
21329
21330 * src/getargs.c: entered into RCS
21331
213321993-06-26 David J. MacKenzie <djm@gnu.org>
21333
21334 * doc/bison.texinfo: *** empty log message ***
21335
21336 * doc/bison.1: New file.
21337
213381993-06-25 Richard Stallman <rms@gnu.org>
21339
21340 * src/getargs.c: New file.
21341
213421993-06-16 Richard Stallman <rms@gnu.org>
21343
21344 * src/bison.s1: *** empty log message ***
21345
213461993-06-16 Richard Stallman <rms@gnu.org>
21347
21348 * bison.simple: *** empty log message ***
21349
213501993-06-03 Richard Stallman <rms@gnu.org>
21351
21352 * src/bison.s1: New file.
21353
213541993-06-03 Richard Stallman <rms@gnu.org>
21355
21356 * doc/bison.texinfo: *** empty log message ***
21357
213581993-06-03 Richard Stallman <rms@gnu.org>
21359
21360 * bison.simple: New file.
21361
213621993-05-19 Richard Stallman <rms@gnu.org>
21363
21364 * doc/bison.texinfo: New file.
21365
213661993-05-07 Noah Friedman <friedman@gnu.org>
21367
21368 * Makefile.in: *** empty log message ***
21369
213701993-04-28 Noah Friedman <friedman@gnu.org>
21371
21372 * src/reader.c: *** empty log message ***
21373
213741993-04-23 Noah Friedman <friedman@gnu.org>
21375
21376 * src/alloc.h: entered into RCS
21377
213781993-04-20 David J. MacKenzie <djm@gnu.org>
21379
21380 * src/version.c: *** empty log message ***
21381
21382 * src/files.c, src/allocate.c:
21383 entered into RCS
21384
21385 * src/reader.c: *** empty log message ***
21386
21387 * src/lex.c: entered into RCS
21388
21389 * src/conflicts.c: New file.
21390
21391 * src/symtab.c: entered into RCS
21392
21393 * src/alloc.h: New file.
21394
21395 * src/LR0.c: entered into RCS
21396
213971993-04-18 Noah Friedman <friedman@gnu.org>
21398
21399 * src/reader.c: New file.
21400
21401 * src/version.c: *** empty log message ***
21402
214031993-04-18 Noah Friedman <friedman@gnu.org>
21404
21405 * Makefile.in: *** empty log message ***
21406
214071993-04-17 Noah Friedman <friedman@gnu.org>
21408
21409 * Makefile.in: *** empty log message ***
21410
214111993-04-15 Richard Stallman <rms@gnu.org>
21412
21413 * src/main.c, src/files.c:
21414 New file.
21415
214161993-04-15 Noah Friedman <friedman@gnu.org>
21417
21418 * configure.in: entered into RCS
21419
21420 * configure.in: *** empty log message ***
21421
21422 * configure.in: New file.
21423
214241993-04-14 Richard Stallman <rms@gnu.org>
21425
21426 * Makefile.in: New file.
21427
214281993-04-13 Richard Stallman <rms@gnu.org>
21429
21430 * src/version.c: New file.
21431
214321993-03-25 Richard Stallman <rms@gnu.org>
21433
21434 * src/output.c: entered into RCS
21435
214361992-09-25 Richard Stallman <rms@gnu.org>
21437
21438 * configure.bat: entered into RCS
21439
214401992-06-22 Richard Stallman <rms@gnu.org>
21441
21442 * src/vmsgetargs.c: entered into RCS
21443
214441992-06-22 Richard Stallman <rms@gnu.org>
21445
21446 * doc/bison.rnh: entered into RCS
21447
214481992-04-20 David J. MacKenzie <djm@gnu.org>
21449
21450 * README: entered into RCS
21451
214521992-01-22 Richard Stallman <rms@gnu.org>
21453
21454 * src/machine.h: entered into RCS
21455
214561991-12-21 Richard Stallman <rms@gnu.org>
21457
21458 * src/lalr.c, src/closure.c:
21459 entered into RCS
21460
214611991-12-20 Richard Stallman <rms@gnu.org>
21462
21463 * src/state.h: entered into RCS
21464
214651991-12-18 Richard Stallman <rms@gnu.org>
21466
21467 * src/print.c, src/nullable.c, src/derives.c:
21468 entered into RCS
21469
214701991-11-03 David J. MacKenzie <djm@gnu.org>
21471
21472 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
21473 entered into RCS
21474
214751988-09-09 Richard Stallman <rms@gnu.org>
21476
21477 * src/bison.hairy: entered into RCS
21478
214791987-12-16 Richard Stallman <rms@gnu.org>
21480
21481 * REFERENCES: entered into RCS
21482
21483
21484 -----
21485
21486 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
21487 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
21488 2007, 2008, 2009 Free Software Foundation, Inc.
21489
21490 Copying and distribution of this file, with or without
21491 modification, are permitted provided the copyright notice and this
21492 notice are preserved.