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1 2010-02-04 Joel E. Denny <jdenny@ces.clemson.edu>
2
3 Update POTFILES.
4 * HACKING (Release Procedure): Add reminder about keeping
5 POTFILES files up-to-date.
6 * po/POTFILES.in (src/muscle-tab.c, src/scan-skel.l): Add.
7
8 2010-02-01 Joel E. Denny <jdenny@clemson.edu>
9
10 Code cleanup.
11 * tests/atlocal.in (abs_top_srcdir): Remove shell variable,
12 which is already defined in atconfig.
13
14 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
15
16 * cfg.mk (gnulib_dir): Assume gnulib is a subdirectory.
17
18 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
19
20 maint: automate PACKAGE_COPYRIGHT_YEAR update, and update it.
21 * HACKING (Release Procedure): Update notes on copyright years.
22 * Makefile.am (update-package-copyright-year): New target rule.
23 * build-aux/update-package-copyright-year: New file.
24 * cfg.mk (update-copyright): Add update-package-copyright-year
25 as a dependency.
26
27 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
28
29 * bootstrap: Import improvements from latest gnulib.
30
31 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
32
33 build: require Automake 1.11.1 to avoid a security flaw.
34 * HACKING (Release Procedure): Don't document Automake security
35 flaw here.
36 * configure.ac (AM_INIT_AUTOMAKE): Require 1.11.1, and explain
37 why here.
38
39 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
40
41 gnulib: update to latest.
42
43 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
44
45 ChangeLog (2006-09-15): add Odd Arild Olsen's role for push.c.
46
47 2010-01-15 Joel E. Denny <jdenny@clemson.edu>
48
49 Thank the developer of the initial push parser implementation.
50 This unfortunate oversight is several years old.
51 * THANKS (Odd Arild Olsen): Add.
52
53 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
54
55 Fix some comments concerning LR(0) versus LALR(1).
56
57 Stop equating LR(0) with nondeterminism and LALR(1) with
58 determinism. That is, if all states are consistent, then LR(0)
59 tables are deterministic. On the other hand, LALR(1) tables
60 might be nondeterministic before conflict resolution, and GLR
61 permits LALR(1) tables to remain nondeterministic.
62 * src/LR0.c, src/LR0.h: Here.
63 * src/lalr.c, src/lalr.h: Here.
64 * src/main.c (main): Here.
65 * src/state.c, src/state.h: Here.
66
67 * src/ielr.h (ielr): In preconditions, expect LR(0) not LALR(1)
68 parser tables.
69
70 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
71
72 maint: run "make update-copyright"
73
74 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
75
76 POSIX: complain if %prec's token was not defined.
77 * NEWS (2.5): Document.
78 * src/reader.c (grammar_rule_check): Convert warning to
79 complaint.
80 * tests/input.at (%prec's token must be defined): Update.
81
82 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
83
84 POSIX: warn if %prec's token was not defined.
85 Reported by Florian Krohm at
86 <http://lists.gnu.org/archive/html/bug-bison/2009-12/msg00005.html>.
87 * NEWS (2.4.2): Document.
88 * src/reader.c (grammar_rule_check): Implement.
89 (grammar_current_rule_prec_set): Add comments explaining that we
90 here assume a %prec identifier is a token, but we still manage
91 to support POSIX.
92 * tests/input.at (%prec's token must be defined): New test
93 group.
94
95 2009-12-31 Joel E. Denny <jdenny@clemson.edu>
96
97 * HACKING (Release Procedure): Recommend a secure automake.
98
99 2008-12-11 Akim Demaille <demaille@gostai.com>
100
101 Propagate i18n changes into glr.c.
102 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
103 building the error message format dynamically.
104 * data/lalr1.java: Formatting changes.
105
106 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
107
108 Port small part of master's 11707b2b so future ports are easier.
109 * data/lalr1.java (YYParser::yysyntax_error): Untabify.
110
111 2008-12-11 Akim Demaille <demaille@gostai.com>
112
113 Simplify the i18n of the error messages.
114 * data/lalr1.cc: Comment changes.
115
116 2008-11-11 Akim Demaille <demaille@gostai.com>
117
118 Prefer M4 to CPP.
119 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
120 YYERROR_VERBOSE.
121
122 2008-11-11 Akim Demaille <demaille@gostai.com>
123
124 Support i18n of the parse error messages.
125 * TODO (lalr1.cc/I18n): Remove.
126 * data/lalr1.cc (yysyntax_error_): Support the translation of the
127 error messages, as done in yacc.c.
128 Stay within the yy* pseudo namespace.
129
130 2009-12-22 Joel E. Denny <jdenny@clemson.edu>
131
132 Port small part of master's 8901f32e so future ports are easier.
133 * data/lalr1.cc (yy::parser::yysyntax_error_): Always add second
134 argument, but name it in the function definition only when
135 verbose error messages are enabled and it'll thus be used.
136 (yy::parser::parse): Update use of yysyntax_error_.
137
138 2009-12-29 Joel E. Denny <jdenny@clemson.edu>
139
140 portability: `<' and `>' are not always defined on addresses.
141 Specifically, don't sort objects by their memory addresses when
142 they're not allocated in the same array or other object. Though
143 I haven't found a test case where that fails on my platform, C
144 says the behavior is undefined.
145 * src/AnnotationList.c (AnnotationList__insertInto): Remove
146 FIXME. Use new id field of InadequacyList nodes rather than
147 their memory addresses when sorting.
148 (AnnotationList__compute_from_inadequacies): Add
149 inadequacy_list_node_count argument to pass to
150 InadequacyList__new_conflict.
151 * src/AnnotationList.h
152 (AnnotationList__compute_from_inadequacies): Update prototype
153 and documentation for new argument.
154 * src/InadequacyList.c (InadequacyList__new_conflict): Add
155 node_count argument and use it to assign a unique ID.
156 * src/InadequacyList.h (InadequacyListNodeCount): New typedef.
157 (InadequacyList): Add id field.
158 (InadequacyList__new_conflict): Update prototype and
159 documentation for new argument.
160 * src/ielr.c (ielr_compute_annotation_lists): Update
161 AnnotationList__compute_from_inadequacies invocation.
162
163 2009-12-20 Joel E. Denny <jdenny@clemson.edu>
164
165 Fix handling of yychar manipulation in user semantic actions.
166 The problem was that yacc.c didn't always update the yychar
167 translation afterwards. However, other skeletons appear to be
168 fine. glr.c appears to already translate yychar before every
169 use. lalr1.cc does not define yychar and does not document its
170 replacement, yyla, for users. It does provide yyclearin, but
171 that does not manipulate yyla and thus requires no translation
172 update. In lalr1.java, yychar is out of scope during semantic
173 actions.
174 * NEWS (2.5): Document.
175 * data/yacc.c (YYBACKUP): Don't bother translating yychar into
176 yytoken here.
177 (yyparse, yypush_parse): Instead, translate before every use of
178 yytoken, and add comments explaining this approach.
179 * tests/actions.at (Destroying lookahead assigned by semantic
180 action): New test group checking that translation happens before
181 lookahead destructor calls at parser return. Previously,
182 incorrect destructors were called.
183 * tests/conflicts.at (%error-verbose and consistent
184 errors): New test group checking that translation happens at
185 syntax error detection before the associated verbose error
186 message and the associated lookahead destructor calls. While
187 the destructor call is fixed by this patch, the verbose error
188 message is currently incorrect due to another bug (see
189 comments in test group), so this is an expected failure for now.
190
191 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
192
193 YYFAIL: warn about uses and remove from lalr1.java.
194 * NEWS (2.5): Document.
195 * data/lalr1.java (parser::YYStack::YYFAIL): Rename to YYERRLAB,
196 and make it private. Update all uses.
197 * src/scan-code.l (SC_RULE_ACTION): Implement warning.
198
199 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
200
201 YYFAIL: deprecate.
202 * NEWS (2.4.2): Document deprecation and the phase-out plan.
203 * data/lalr1.java (parser::YYStack::YYFAIL): Add comment about
204 deprecation.
205 * data/yacc.c (YYFAIL): Likewise, and suppress warnings about
206 YYFAIL from GCC cpp's -Wunused-macros.
207 * doc/bison.texinfo (Java Action Features): Remove YYFAIL
208 documentation.
209 (LocalWords): Remove YYFAIL.
210
211 2009-12-17 Joel E. Denny <jdenny@clemson.edu>
212
213 Code cleanup.
214 * src/symtab.c, src/symtab.h (symbol_class_get_string): Remove
215 function, which is no longer used.
216
217 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
218
219 Add gcc's -Wundef to test suite and fix another warning from it.
220 * NEWS (2.4.2): Update description of -Wundef fix.
221 * configure.ac (WARN_CXXFLAGS_TEST): New substitution.
222 (WARN_CFLAGS_TEST): New substitution.
223 * data/glr.c: Avoid warning about __STRICT_ANSI__.
224 * tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of
225 WARN_CFLAGS.
226 (NO_WERROR_CFLAGS): Likewise.
227 (CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS.
228
229 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
230
231 * data/yacc.c: Reformat m4 a little.
232
233 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
234
235 Document gcc -Wundef fix.
236 * NEWS (2.4.2): Here.
237 * THANKS (Jonathan Nieder): Add.
238
239 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
240
241 Simplify y.tab.c when location tracking is disabled.
242 * data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
243 tracking is not enabled. Instead, unconditionally define
244 YY_LOCATION_PRINT as a no-op for backward compatibility.
245
246 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
247
248 Avoid warnings from gcc -Wundef y.tab.c.
249 * data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are
250 defined before using them.
251 * data/lalr1.cc: Likewise.
252 * data/yacc.c: Likewise.
253
254 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
255
256 autoconf: update to latest for fix of M4 detection.
257 Reported by Eric Blake.
258 * submodules/autoconf: Update.
259
260 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
261
262 portability: use -DGNULIB_POSIXCHECK.
263 Reported by Eric Blake. See discussions at
264 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00008.html>
265 and
266 <http://lists.gnu.org/archive/html/bug-gnulib/2009-10/msg00108.html>.
267 * HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK.
268 * bootstrap.conf (gnulib_modules): Add all the printf modules
269 suggested by -DGNULIB_POSIXCHECK. Add realloc-posix as
270 suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c.
271 (excluded_files): Remove m4/printf-posix.m4.
272 * tests/atlocal.in (LIBS): As for LDADD in src/local.mk, add
273 lib/libbison.a so gnulib libraries can be linked.
274
275 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
276
277 Enable assertion output and --disable-assert for configure.
278 * bootstrap.conf (gnulib_modules): Add assert module.
279 * src/system.h (aver): Define as assert, and summarize the
280 discussion on this issue.
281
282 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
283
284 Expand GLR acronym in summary of Bison.
285 Based on discussion with Akim Demaille starting at
286 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00087.html>.
287 * doc/bison.texinfo (Introduction): Here.
288 * src/getargs.c (usage): Here.
289
290 2009-10-03 Alex Rozenman <rozenman@gmail.com>
291
292 Document named references.
293 * doc/bison.texinfo (Actions): Add new example and xref to
294 Using Named References node.
295 (Using Named References): New node.
296
297 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
298
299 cleanup.
300 * src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead
301 of char*.
302 (Sbitset__isEmpty): Use Sbitset instead of char*.
303 * src/Sbitset.h (Sbitset): Make it a pointer to unsigned char
304 instead of char. This helps to avoid casting errors.
305 (Sbitset__or): Use Sbitset instead of char*.
306
307 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
308
309 portability: don't assume 8-bit bytes.
310 That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff.
311 * src/Sbitset.h (Sbitset__nbytes): Here.
312 (Sbitset__byteAddress): Here.
313 (Sbitset__bit_mask): Here.
314 (Sbitset__last_byte_mask): Here.
315 (Sbitset__ones): Here.
316 (SBITSET__FOR_EACH): Here.
317
318 2009-10-11 Joel E. Denny <jdenny@clemson.edu>
319
320 portability: use va_start and va_end in the same function.
321 * src/complain.c (error_message): Move va_end from here...
322 (ERROR_MESSAGE): ... to here.
323
324 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
325
326 * data/bison.m4: Update comments for rename to muscle-tab.h.
327
328 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
329
330 Rename muscle_tab.* to muscle-tab.* for consistency with master.
331 * src/Makefile.am (bison_SOURCES): Update.
332 * src/getargs.c, src/ielr.c, src/lalr.c, src/main.c,
333 src/output.c, src/parse-gram.y, src/print.c, src/reader.c,
334 src/tables.c: Update include.
335 * src/muscle_tab.c, src/muscle_tab.h: Rename to...
336 * src/muscle-tab.c, src/muscle-tab.h: ... these and update
337 include.
338
339 2009-10-07 Joel E. Denny <jdenny@clemson.edu>
340
341 Minor code cleanup.
342 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
343 replace all uses with UNIQSTR_CONCAT.
344 * src/uniqstr.c (uniqstr_vsprintf): New function.
345 * src/uniqstr.h (uniqstr_vsprintf): Add prototype.
346 (UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
347 macros.
348
349 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
350
351 Minor code cleanup.
352 * src/parse-gram.y: Clean up sorting of declarations.
353 Use types to simplify %printer declarations where possible.
354 Provide %printer for BRACKETED_ID and symbol.prec.
355 * src/symtab.c: Whitespace change.
356
357 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
358
359 tests: skip tests of file names that platform does not support.
360 Reported by Michael Raskin at
361 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
362 * THANKS (Michael Raskin): Add.
363 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used
364 to fail at least for file names containing ":" or "\".
365
366 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
367
368 yysyntax_error: avoid duplicate lookahead collection.
369 Except when memory reallocation is required, this change
370 eliminates the need to invoke yysyntax_error twice and thus to
371 repeat the collection of lookaheads. It also prepares for
372 future extensions that will make those repetitions more
373 expensive and that will require additional memory management in
374 yysyntax_error. Finally, it fixes an obscure bug already
375 exercised in the test suite.
376 * data/yacc.c (yysyntax_error): Add arguments for message
377 buffer variables stored in the parser. Instead of size, return
378 status similar to yyparse status but indicating success of
379 message creation. Other than the actual reallocation of the
380 message buffer, import and clean up memory management code
381 from...
382 (yyparse, yypush_parse): ... here.
383 * tests/regression.at (%error-verbose overflow): No longer an
384 expected failure.
385
386 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
387
388 yysyntax_error: test memory management more.
389 * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
390 * tests/regression.at (%error-verbose and YYSTACK_USE_ALLOCA):
391 New test group.
392 (%error-verbose overflow): New test group that reveals an
393 obscure bug. Expected fail for now.
394
395 2008-12-11 Akim Demaille <demaille@gostai.com>
396
397 Pass the token type to yysyntax_error.
398 * data/yacc.c (yysyntax_error): Take the transated token instead
399 of the raw number.
400 Adjust callers.
401
402 2008-12-11 Akim Demaille <demaille@gostai.com>
403
404 Simplify the i18n of the error messages.
405 * data/yacc.c (yysyntax_error): Rewrite, using a switch instead
406 of building dynamically the format string.
407
408 2009-10-03 Joel E. Denny <jdenny@clemson.edu>
409
410 Remove dead code.
411 * src/symtab.c (symbol_pack): Here because every symbol's number
412 is always defined by this time.
413
414 2009-10-03 Alex Rozenman <rozenman@gmail.com>
415
416 Add additional space after periods in NEWS.
417 * NEWS (2.5): here.
418
419 2009-09-29 Joel E. Denny <jdenny@clemson.edu>
420
421 Use the correct conversion specifier for size_t.
422 Reported by Jim Meyering.
423 * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
424 because Sbitset__Index is size_t.
425 * src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
426
427 2009-09-27 Joel E. Denny <jdenny@clemson.edu>
428
429 tests: don't abuse AT_BISON_CHECK.
430 * tests/regression.at (parse-gram.y: LALR = IELR): Move
431 additional shell commands outside of AT_BISON_CHECK.
432
433 2009-09-26 Joel E. Denny <jdenny@clemson.edu>
434
435 tests: check that parse-gram.y's IELR and LALR are identical.
436 * tests/atlocal.in (abs_top_srcdir): New shell variable.
437 * tests/regression.at (parse-gram.y: LALR = IELR): New test
438 group.
439
440 2009-09-16 Akim Demaille <demaille@gostai.com>
441
442 doc: comment changes.
443 * doc/bison.texinfo: Comment changes.
444
445 2009-09-16 Akim Demaille <demaille@gostai.com>
446
447 doc: spell checking.
448 * doc/bison.texinfo: here.
449
450 2009-09-19 Alex Rozenman <rozenman@gmail.com>
451
452 Keep sub-messages aligned. Fix strings for translation.
453 * src/location.h (location_print): Add return value.
454 * src/location.c (location_print): Return number of printed
455 characters.
456 * src/complain.h (complain_at_indent, warn_at_indent): Prototype
457 new functions.
458 * src/complain.cpp (indent_ptr): New static variable.
459 (error_message, complain_at_indent, warn_at_indent): Implement
460 the alignment mechanism.
461 * src/scan-code.l (parse_ref, show_sub_messages): Fix strings
462 for translations. Use new alignment mechanism.
463 * tests/named-ref.at: Adjust test-cases.
464 * NEWS (2.5): Add an announcement about named references.
465
466 2009-09-13 Joel E. Denny <jdenny@clemson.edu>
467
468 tests: clean up push.at test group titles.
469 * tests/push.at: Remove "Push Parsing: " from test group titles
470 because these are already under the banner "Push Parsing Tests".
471
472 2009-09-12 Alex Rozenman <rozenman@gmail.com>
473
474 Provide an additional sub-message for clarity.
475 Add "symbol not found in production" error message when
476 an "invalid reference" is detected in named references
477 resolution.
478 * src/scan-code.l: Update "invalid reference" case.
479 * tests/named-ref.at: Adjust test-cases.
480
481 2009-09-10 Joel E. Denny <jdenny@clemson.edu>
482
483 Clean up yacc.c a little.
484 * data/yacc.c: Clean up M4 for readability, and make output
485 whitespace more consistent. For the main parse function
486 comment, instead of saying "yyparse or yypush_parse", say either
487 "yyparse" or "yypush_parse" depending on which it actually is.
488
489 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
490
491 Complain about unused %define variables and %code qualifiers.
492 * NEWS (2.5): Document.
493 * data/bison.m4 (b4_check_user_names): Complain instead of warn.
494 * doc/bison.texinfo (Decl Summary): Document complaint, and
495 improve %define documentation a little otherwise.
496 * tests/input.at (Reject unused %code qualifiers): Update.
497 (%define errors): Update.
498 (%define, --define, --force-define): Update.
499 (%define backward compatibility): Update.
500 (Unused %define api.pure): Update.
501 * tests/push.at (Push Parsing: Unsupported Skeletons): Update.
502
503 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
504
505 Use aver not assert.
506 * src/output.c: Don't include assert.h.
507 (output_skeleton): Use aver not assert.
508 * src/system.h (aver): In documentation of why, add links to
509 Paul Eggert's explanations in the mailing lists.
510
511 2009-09-05 Alex Rozenman <rozenman@gmail.com>
512
513 Use "Unresolved reference" error message when no symbols were found
514 in a symbolic reference resolution. Remove .expr and -expr from
515 the shown reference when the reference is unresolved.
516 * src/scan-code.l: Change the error message, adjust location columns,
517 rename variable "exact_mode" to "explicit_bracketing".
518 * tests/named-ref.at: Adjust existing tests and add a new one.
519
520 2009-09-03 Akim Demaille <demaille@gostai.com>
521
522 * NEWS (2.4.2): Add "Internationalization" item.
523
524 2009-09-03 Akim Demaille <demaille@gostai.com>
525
526 bootstrap: fix/improve find_tool.
527 * bootstrap (find_tool): Improve error messages.
528 Fix typo about find_tool_names.
529
530 2009-08-29 Joel E. Denny <jdenny@clemson.edu>
531
532 Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
533 See
534 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
535 * src/scan-code.h (code_props_rule_action_init): Rename
536 named_ref arg to name so it doesn't shadow named_ref type. This
537 makes it consistent with the function definition in scan-code.l
538 anyway.
539
540 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
541
542 %define: accept unquoted values.
543 * NEWS (2.5): Group all %define changes together, and document
544 this one. Remove quotes in IELR and canonical LR entry.
545 * doc/bison.texinfo: Remove quotes in most examples throughout.
546 (Decl Summary): Update %define documentation.
547 (Table of Symbols): Likewise.
548 * src/ielr.c (LrType): Update documentation.
549 * src/parse-gram.y (content.opt): Add production for ID.
550 * tests/calc.at: Remove quotes in most tests.
551 * tests/existing.at: Likewise.
552 * tests/input.at: Likewise.
553 * tests/local.at: Likewise.
554 * tests/push.at: Likewise.
555 * tests/reduce.at: Likewise.
556 * tests/torture.at: Likewise.
557
558 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
559
560 %define lr.type: make values lowercase IDs.
561 That is, "LALR" => "lalr", "IELR" => "ielr", and
562 "canonical LR" => "canonical-lr".
563 * NEWS (2.5): Update documentation.
564 * doc/bison.texinfo (Decl Summary): Likewise.
565 * src/ielr.c (ielr): Use new values.
566 * src/ielr.h (ielr): Update documentation.
567 * src/reader.c (prepare_percent_define_front_end_variables): Use
568 and validate new values.
569 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
570 grammars.
571 * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
572
573 2009-08-27 Eric Blake <ebb9@byu.net>
574
575 scan-gram: avoid portability trap with ctype usage.
576 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
577 Avoid compiler warning.
578
579 2009-08-27 Joel E. Denny <jdenny@clemson.edu>
580
581 tests: use perl for printing special sequences to files.
582 And skip tests if perl is not available. This is better than
583 playing tricks with shell portability. Suggested by Akim
584 Demaille.
585 * tests/input.at (Bad character literals): Use it here for
586 omitting final newlines.
587 (Bad escapes in literals): Use it here for special characters.
588
589 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
590
591 tests: show a use of %define lr.default-reductions "consistent"
592 * tests/conflicts.at (%nonassoc and eof): Extend to test that it
593 prevents the omission of expected tokens for %error-verbose.
594
595 2009-08-26 Akim Demaille <demaille@gostai.com>
596
597 tests: portability fix.
598 * tests/input.at (Bad escapes in literals): Don't expect "echo
599 '\0'" to output \ then 0.
600
601 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
602
603 Actually handle the yytable zero value correctly this time.
604 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Don't
605 mention zero values in the YYTABLE comments.
606 * data/glr.c (yytable_value_is_error): Don't check for zero
607 value.
608 * data/lalr1.cc (yy_table_value_is_error_): Likewise.
609 * data/yacc.c (yytable_value_is_error): Likewise.
610 * data/lalr1.java (yy_table_value_is_error_): Likewise.
611 (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
612 * src/tables.h: In header comments, explain why it's useless to
613 check for a zero value in yytable.
614
615 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
616
617 More fixes related to last two patches.
618 * data/c.m4 (b4_table_value_equals): Comment that YYID must be
619 defined.
620 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c: Fix
621 yytable comments: zero indicates syntax error not default
622 action.
623 * data/glr.c (yyis_pact_ninf): Rename to...
624 (yypact_value_is_default): ... this.
625 (yyisDefaultedState): Update for rename.
626 (yyis_table_ninf): Rename to...
627 (yytable_value_is_error): ... this, and check for value zero
628 besides just YYTABLE_NINF.
629 (yygetLRActions): Check for default value from yypact. It
630 appears that this check is always performed before this function
631 is invoked, and so adding the check here is probably redundant.
632 However, the code may evolve after this subtlety is forgotten.
633 Also, update for rename to yytable_value_is_error. Because that
634 macro now checks for zero, a different but equivalent branch of
635 the if-then-else here is evaluated.
636 (yyreportSyntaxError): Update for rename to
637 yytable_value_is_error. The zero condition was mishandled
638 before.
639 (yyrecoverSyntaxError): Update for renames. No behavioral
640 changes.
641 * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
642 New function.
643 (yy_table_value_is_error_): New function.
644 (parse): Use new functions where possible. No behavioral
645 changes.
646 (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
647 The zero condition was mishandled before.
648 * data/yacc.c (yyis_pact_ninf): Rename to...
649 (yypact_value_is_default): ... this.
650 (yyis_table_ninf): Rename to...
651 (yytable_value_is_error): ... this, and check for value zero
652 besides just YYTABLE_NINF.
653 (yysyntax_error): Update for rename to yytable_value_is_error.
654 The zero condition was mishandled before.
655 (yyparse): Update for renames. No behavioral changes.
656 * src/tables.h: Improve comments about yypact, yytable, etc.
657 more. Most importantly, say yytable value of zero means syntax
658 error not default action.
659
660 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
661
662 Fix %error-verbose for conflicts resolved by %nonassoc.
663 * NEWS (2.5): Document.
664 * data/glr.c (yyreportSyntaxError): Fix this by checking
665 yyis_table_ninf.
666 * data/yacc.c (yysyntax_error): Likewise.
667 * data/lalr1.cc (yysyntax_error_): Fix this by checking
668 yytable_ninf_.
669 * data/lalr1.java (yysyntax_error): Likewise.
670 * tests/conflicts.at (%nonassoc and eof): Update expected output
671 and remove FIXME.
672
673 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
674
675 Some code and documentation improvements.
676 * data/c.m4 (b4_table_value_equals): New macro to capture
677 some repeated code.
678 * data/glr.c (yyis_pact_ninf): Use it here.
679 (yyis_table_ninf): Likewise.
680 (yyreportSyntaxError): Improve internal comments.
681 * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
682 Use it everywhere possible.
683 (yyis_table_ninf): Likewise.
684 (yysyntax_error): Improve internal comments.
685 * data/lalr1.cc (yysyntax_error_): Likewise.
686 * data/lalr1.java (yysyntax_error): Likewise.
687 * src/tables.h: Improve comments about yypact, yytable, etc.
688
689 2009-08-21 Joel E. Denny <jdenny@clemson.edu>
690
691 Use locale when quoting.
692 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
693 quote rather than implementing quoting here.
694
695 2009-08-20 Eric Blake <ebb9@byu.net>
696
697 Make previous patch more robust.
698 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
699 argmatch.h.
700 (output_skeleton): Use it.
701 Suggested by Akim Demaille.
702
703 Import latest m4/m4.m4.
704 * submodules/autoconf: Update to autoconf 2.64.
705 * configure.ac (M4_GNU_OPTION): New define.
706 * src/output.c (output_skeleton): Use it to resolve FIXME.
707 * NEWS: Mention this.
708
709 2009-08-19 Joel E. Denny <jdenny@clemson.edu>
710
711 Fix complaints about escape sequences.
712 Discussed starting at
713 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
714 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
715 For a \0 and similar escape sequences meaning the null
716 character, report an invalid escape sequence instead of an
717 invalid null character because the latter does not actually
718 appear in the user's input.
719 In all escape sequence complaints, don't escape the initial
720 backslash, and don't quote when the sequence appears at the end
721 of the complaint line unless there's whitespace that quotearg
722 won't escape.
723 Consistently say "invalid" not "unrecognized".
724 Consistently prefer "empty character literal" over "extra
725 characters in character literal" warning for invalid escape
726 sequences; that is, consistently discard those sequences.
727 * tests/input.at (Bad escapes in literals): New.
728
729 2009-08-19 Akim Demaille <demaille@gostai.com>
730
731 doc: fixes.
732 * doc/bison.texinfo: Fix minor Texinfo errors.
733
734 2009-08-19 Akim Demaille <demaille@gostai.com>
735
736 doc: %initial-action to initialize yylloc.
737 Reported by Bill Allombert.
738 * doc/bison.texinfo: Set fill-column to 76.
739 (Location Type): Document the use of %initial-action to initialize
740 yylloc.
741
742 2009-08-18 Joel E. Denny <jdenny@clemson.edu>
743
744 maint: update for gnulib's recent update-copyright changes
745 * gnulib: Update.
746 * .x-update-copyright (COPYING): Add as it's no longer implied
747 when .x-update-copyright is present.
748 * cfg.mk (update-copyright-local): Remove, now ignored.
749 (update-copyright): Declare update-b4-copyright as a dependency.
750
751 2009-08-17 Akim Demaille <demaille@gostai.com>
752
753 build: require gettext 0.17.
754
755 Suggested by Bruno Haible.
756 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
757 * configure.ac: require gettext 0.17 to ensure compatibility with
758 gnulib.
759
760 2009-08-17 Akim Demaille <demaille@gostai.com>
761
762 build: lower gettext requirements.
763
764 Bison was uselessly requiring the formatstring macros from
765 gettext, which resulted in mo files not being installed on systems
766 that perfectly supported Bison mo files. Lower the requirement.
767 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
768
769 * configure.ac: Require need-ngettext instead of
770 need-formatstring-macros.
771 Reported by Martin Jabocs.
772 Suggested by Bruno Haible.
773 * INSTALL: Restructure.
774 (Internationalization): New.
775
776 2009-08-14 Joel E. Denny <jdenny@clemson.edu>
777
778 maint: fix use of copyright year intervals.
779 * gnulib: Update.
780 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
781 as now recommended in gnulib/NEWS.
782 * build-aux/update-b4-copyright: Fix.
783 * cfg.mk (update-copyright-env): Configure update-copyright.
784
785 2009-08-13 Joel E. Denny <jdenny@clemson.edu>
786
787 Make it easier to write deterministic tests.
788 Continues Akim's work from his 2009-06-10 commits.
789 * src/reader.c (check_and_convert_grammar): Don't add any
790 symbols after the first symbols_do invocation.
791 * src/symtab.c (symbols_sorted): New static global.
792 (user_token_number_redeclaration): Update comments.
793 (symbol_from_uniqstr): If a new symbol is being created, assert
794 that symbols_sorted hasn't been allocated yet.
795 (symbols_free): Free symbols_sorted.
796 (symbols_cmp, symbols_cmp_qsort): New functions.
797 (symbols_do): Sort symbol_table into symbols_sorted on first
798 invocation.
799 * tests/input.at (Numbered tokens): Recombine tests now that the
800 output should be deterministic across multiple numbers.
801
802 2009-08-12 Akim Demaille <demaille@gostai.com>
803
804 distcheck: fix.
805
806 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
807
808 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
809
810 * tests/Makefile.am (TESTSUITE_AT): Add named-refs.at.
811
812 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
813
814 Miscellaneous code readability improvements.
815
816 * src/reader.c (reader): Move %define front-end variable
817 defaults and checking into...
818 (prepare_percent_define_front_end_variables): ... this new
819 function.
820
821 * src/scan-gram.l (INITIAL): For consistency with string
822 literals, don't store open quote on character literal. It's
823 discarded before returning anyway.
824 (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
825 Make length test more readable, and make the character stored
826 for an empty literal more obvious while consistent with the
827 previous behavior.
828
829 * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
830 USER_NUMBER_HAS_STRING_ALIAS throughout.
831 * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
832 that is repeated in symtab.h. Improve argument names to make it
833 clear which side of the symbol-string alias pair is which.
834 (symbol_check_alias_consistency): Improve local variable names
835 for the same purpose.
836 * src/symtab.h (struct symbol): Make comments about aliases
837 clearer.
838 (symbol_make_alias): Improve comments and argument name.
839 * src/output.c (token_definitions_output): Update for rename to
840 USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
841
842 2009-08-08 Alex Rozenman <rozenman@gmail.com>
843
844 Convert "misleading reference" messages to warnings.
845 * src/scan-code.l: New function 'show_sub_messages', more
846 factoring.
847 * tests/named-ref.at: Adjust tests.
848
849 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
850
851 maint: run "make update-copyright"
852
853 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
854
855 maint: make update-b4-copyright easier to use
856 * build-aux/update-b4-copyright: In warnings, report line
857 numbers rather than character positions.
858 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
859 that update-copyright runs it.
860 * gnulib: Update.
861
862 2009-08-05 Joel E. Denny <jdenny@clemson.edu>
863
864 maint: clean up update-b4-copyright code
865 * build-aux/update-b4-copyright: Do not accept 2-digit
866 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
867 Don't accept a `[' in a b4_copyright argument.
868 Format code more consistently.
869 Don't assume b4*copyright never occurs.
870
871 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
872
873 maint: automate b4_copyright updates.
874 * Makefile.am (update-b4-copyright): New target rule.
875 * build-aux/Makefile.am (EXTRA_DIST): Add update-b4-copyright.
876 * build-aux/update-b4-copyright: New.
877 * data/yacc.c: Remove stray characters around b4_copyright
878 invocations.
879
880 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
881
882 maint: automate annual package-wide copyright-year update.
883 * .x-update-copyright: New.
884 * Makefile.am (EXTRA_DIST): Remove maint.mk.
885 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
886 update-copyright. Remove gnumakefile, which is implied by
887 maintainer-makefile.
888 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
889 * gnulib: Update.
890 * maint.mk: Remove, now copied from gnulib.
891 * examples/extexi: Add missing "(C)" in copyright statement so
892 update-copyright can recognize it.
893 * src/LR0.h: Likewise.
894 * src/print.h: Likewise.
895 * src/print_graph.h: Likewise.
896 * src/gram.c: Add missing comma in copyright statement.
897 * src/gram.h: Likewise.
898
899 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
900
901 Fix "make distcheck".
902 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
903 of just calc.stamp.
904
905 2009-08-01 Joel E. Denny <jdenny@clemson.edu>
906
907 Pacify "gcc -Wunused" for the input function from Flex.
908 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
909 and later.
910 * src/scan-code.l: Add "%option noinput", which I cannot find in
911 the Flex manual, but which Flex has supported since at least as
912 far back as 2.5.4. However, if any of our developers still use
913 Flex 2.5.4, they'll need to stop configuring with
914 --enable-gcc-warnings because "%option noinput" didn't work
915 correctly until Flex 2.5.6.
916 * src/scan-gram.l: Likewise.
917 * src/scan-skel.l: Likewise.
918
919 2009-07-31 Alex Rozenman <rozenman@gmail.com>
920
921 Fix --enable-gcc-warnings problems.
922 * src/reader.c: Adjust variable names.
923 * src/scan-code.l: Fix prototypes and adjust names.
924 * src/named-ref.c: Remove redundant "if".
925
926 2009-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
927
928 Fix a --enable-gcc-warnings problem.
929 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
930 variable.
931
932 2009-07-24 Alex Rozenman <rozenman@gmail.com>
933
934 Fix some memory leaks.
935 * src/named-ref.c: Add a pointer check (named_ref_free).
936 * src/scan-code.l: New function (variant_table_free). Called in
937 code_scanner_free.
938 * src/symlist.c: Call to named_ref_free (symbol_list_free).
939
940 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
941
942 Warn about character literals not of length one.
943 * NEWS (2.5): Document.
944 * src/scan-gram.l (INITIAL): Remove comment that we don't check
945 the length.
946 (SC_ESCAPED_CHARACTER): Warn if length is wrong.
947 * tests/input.at (Bad character literals): New test group.
948
949 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
950
951 * src/lalr.c (state_lookahead_tokens_count): Correct comment.
952
953 2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
954
955 Some M4 cleanup in the testsuite.
956 Suggested by Eric Blake at
957 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
958 * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
959 complicate the code by distinguishing between a missing value
960 and an empty string value for an optional argument. This fix is
961 allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
962 * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
963 (AT_TEST_TABLES_AND_PARSE): ... this now that the special
964 arguments are not needed because of the following changes.
965 Fix stale comments.
966 Bison developers should use GNU M4 and should not use
967 POSIXLY_CORRECT when building the test suite, so do not
968 complicate the code by avoiding $10 and above.
969 Do not quote an empty string value for an optional argument, and
970 do not distinguish between a missing value and an empty string
971 value.
972
973 2009-07-21 Joel E. Denny <jdenny@ces.clemson.edu>
974
975 * m4/m4.m4: Make it a sym link to submodules/autoconf/m4/m4.m4.
976
977 2009-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
978
979 Revert unnecessary column realignment in --help output.
980 Reported by Akim Demaille at
981 <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
982 * src/getargs.c (usage): Here.
983
984 2009-07-04 Alex Rozenman <rozenman@gmail.com>
985
986 Alphabetical order in src/Makefile.am.
987 * src/Makefile.am: Adjust.
988
989 2009-07-04 Alex Rozenman <rozenman@gmail.com>
990
991 Style changes and factoring.
992 * src/named-ref.h: Add comments.
993 * src/parse-gram.y: Readability and style changes.
994 * src/reader.c: Factoring: assign_named_ref function.
995 * src/scan-code.l: Factoring and style changes. Rename
996 parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
997 Use "unsigned" type for variant index. Improve readablity.
998 * src/scan-gram.l: Change error messages and add comments.
999 * src/symlist.h: symbol_list_null: New function decl.
1000 * src/symlist.c: symbol_list_null: Implement here.
1001 * tests/named-refs.at: Adjust for new error messages.
1002
1003 2009-06-29 Eric Blake <ebb9@byu.net>
1004
1005 scan-code: avoid compiler warnings
1006 * src/scan-code.l (parse_named_ref): Use correct specifiers.
1007
1008 2009-06-29 Akim Demaille <demaille@gostai.com>
1009
1010 build: avoid concurrent extraction of calc++.
1011 * examples/calc++/Makefile.am (calc.stamp): New.
1012 Depend on it to create the sources of calc++ so that concurrent
1013 builds don't launch several "extexi" in parallel.
1014 Not only this is inefficient, this also builds incorrect sources
1015 with several extractions mixed together.
1016
1017 2009-06-27 Alex Rozenman <rozenman@gmail.com>
1018
1019 Implement support for named symbol references.
1020 * src/parse-gram.y: Add new syntax (named_ref.opt).
1021 * src/reader.c: Store named refs in symbol lists.
1022 * src/reader.h: New argument for symbol_append and
1023 action_append functions.
1024 * src/scan-code.h: Add new field (named_ref) into
1025 code_props data structure. Keeps named ref of midrule
1026 actions.
1027 * src/scan-code.l: Support for named refs in semantic
1028 action code. New function 'parse_named_ref'.
1029 * src/scan-gram.l: Support bracketed id.
1030 * src/symlist.c: Store named refs in symbol lists.
1031 * src/symlist.h: New field in symbol list: named_ref.
1032 * src/named-ref.h: New file, a struct for named_ref.
1033 * src/named-ref.cp: New file, named_ref_new function.
1034 * src/local.mk: Add two new files.
1035 * tests/testsuite.at: Include new test group:
1036 * tests/named-refs.at: this new file.
1037
1038 2009-06-25 Akim Demaille <demaille@gostai.com>
1039
1040 hash: check insertion for memory exhaustion.
1041 * src/uniqstr.c (uniqstr_new): New.
1042
1043 2009-06-11 Akim Demaille <demaille@gostai.com>
1044
1045 style changes.
1046 * data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
1047 * src/print-xml.c: Style changes.
1048 * tests/conflicts.at: Comment changes.
1049
1050 2009-06-11 Akim Demaille <demaille@gostai.com>
1051
1052 xml: beware of user strings used to give a %prec to rules.
1053 * tests/conflicts.at (%prec with user strings): New.
1054 * src/gram.c (grammar_rules_print_xml): Escape the precedence for
1055 XML output.
1056
1057 2009-06-11 Akim Demaille <demaille@gostai.com>
1058
1059 hash: check insertion for memory exhaustion.
1060 * src/muscle-tab.c (muscle_insert, muscle_grow)
1061 * src/state.c (state_hash_insert): Check the return value of
1062 hash_insert.
1063
1064 2009-06-10 Akim Demaille <demaille@gostai.com>
1065
1066 deterministic test suite.
1067 Some consistency checks on symbols are performed after all the
1068 symbols were read, by an iteration over the symbol table. This
1069 traversal is nondeterministic, which can be a problem for test
1070 cases.
1071 Avoid this.
1072 Addresses another form of nondeterminism reported by Joel E. Denny.
1073 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1074
1075 * tests/input.at (Numbered tokens): Split the hexadecimal/decimal
1076 test in two.
1077 Use different file names for the three tests to make the
1078 maintenance easier.
1079
1080 2009-06-10 Akim Demaille <demaille@gostai.com>
1081
1082 deterministic user-token-number redeclaration errors.
1083 Address nondeterminism reported by Joel E. Denny.
1084 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1085
1086 * src/uniqstr.h: Comment changes.
1087 * src/location.h (boundary_cmp, location_cmp): New.
1088 * src/symtab.c (user_token_number_redeclaration): New.
1089 (symbol_translation): Use it.
1090 * tests/input.at (Numbered tokens): Adjust the expected output.
1091
1092 2009-05-25 Akim Demaille <demaille@gostai.com>
1093
1094 gnulib: update.
1095 * gnulib: Update to latest.
1096 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
1097 * m4/.gitignore: Regen.
1098 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
1099 Call xalloc_die on hash_insert failures.
1100 Requested by the new __warn_unused_result__ attribute of
1101 hash_insert.
1102
1103 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1104
1105 Convert multiple variable definition warnings to complaints.
1106 * NEWS (2.5): Add a new entry for that change.
1107 * doc/bison.texinfo (Decl Summary): Update %define entry.
1108 (Bison Options): Update -D/--define/-F/--force-define entry.
1109 * src/muscle_tab.c (muscle_percent_define_insert): Implement.
1110 * src/muscle_tab.h (muscle_percent_define_insert): Update
1111 comments.
1112 * tests/input.at (`%define errors'): Update.
1113 (`%define, --define, --force-define'): Update.
1114
1115 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1116
1117 -F/--force-define and relative %define/-D/--define priorities.
1118 * NEWS (2.5): Add documentation to -D/--define entry.
1119 * build-aux/cross-options.pl: Hard-code association of
1120 --force-define with %define.
1121 * doc/bison.texinfo (Decl Summary): In %define entry,
1122 cross-reference command-line options.
1123 (Bison Options): Add documentation to -D/--define entry.
1124 (Option Cross Key): Widen column for --force-define row.
1125 * src/getargs.c (usage): Document -F/--force-define. Realign
1126 options in output.
1127 (short_options, long_options, getargs): Parse -F/--force-define,
1128 and update muscle_percent_define_insert invocation.
1129 * src/muscle_tab.h (muscle_percent_define_how): New enum type.
1130 (muscle_percent_define_insert): Add argument with that type.
1131 * src/muscle_tab.c (muscle_percent_define_insert): Implement
1132 -F/--force-define behavior and priorities.
1133 * src/parse-gram.y (prologue_declaration): Update
1134 muscle_percent_define_insert invocations.
1135 * tests/input.at (`%define, --define'): Rename to...
1136 (`%define, --define, --force-define'): ... this and extend.
1137
1138 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1139
1140 Update some comments to make sense for -D.
1141 * data/bison.m4 (b4_check_user_names): In header comments, say
1142 "user occurrence" instead of "grammar occurrence".
1143 * src/muscle_tab.h (muscle_percent_define_insert): Likewise.
1144 (muscle_percent_code_grow): Likewise just for consistency.
1145
1146 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1147
1148 * data/c++.m4: Update copyright year.
1149
1150 2009-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
1151
1152 * data/c++.m4 (b4_namespace_close): Simplify slightly.
1153
1154 2009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
1155
1156 Handle a trailing `:' in a user-supplied C++ namespace better.
1157 * data/c++.m4 (b4_namespace_close): Don't let it be printed
1158 among the closing braces here. This fix might make the
1159 generated code easier to debug, but otherwise it should be
1160 insignificant because a trailing `:' is a C++ error already.
1161
1162 2009-05-19 Akim Demaille <demaille@gostai.com>
1163
1164 remove useless variable.
1165 * src/getargs.c (skeleton_arg): Remove now useless variable.
1166 Should help the compiler see that this printf-like call is sane.
1167
1168 2009-05-11 Akim Demaille <demaille@gostai.com>
1169
1170 doc: use C++ headers.
1171 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
1172 headers.
1173
1174 2009-05-05 Akim Demaille <demaille@gostai.com>
1175
1176 fix hexadecimal token number support.
1177 * src/scan-gram.l: Catch incorrect ids after hexadecimal numbers.
1178
1179 2009-05-05 Akim Demaille <demaille@gostai.com>
1180
1181 tests: check token numbers.
1182 * tests/input.at (Numbered tokens): New.
1183
1184 2009-05-04 Akim Demaille <demaille@gostai.com>
1185
1186 bison: catch bad symbol names.
1187 * src/scan-gram.l({int}{id}): Report as an invalid identifier.
1188 * tests/input.at: Adjust.
1189
1190 2009-05-04 Akim Demaille <demaille@gostai.com>
1191
1192 space changes.
1193 * src/scan-gram.l: Untabify to be robust to zealous editors.
1194
1195 2009-05-04 Akim Demaille <demaille@gostai.com>
1196
1197 identifiers: dashes are letters.
1198 Dashes can now start identifiers (symbols and directives).
1199
1200 * src/scan-gram.l ({letter}): Add dash.
1201 ({id}): Remove it.
1202 * tests/input.at (Symbols): Adjust.
1203 Remove stray comment.
1204 * tests/regression.at (Invalid inputs): Adjust error message.
1205 * doc/bison.texinfo (Symbols): Update.
1206
1207 2009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
1208
1209 Declare %code to be a permanent feature.
1210 * NEWS (2.4.2): Here.
1211 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
1212 experimental.
1213 (Decl Summary): Likewise.
1214
1215 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
1216
1217 Convert underscores to dashes in some %define variable names.
1218 For now, just api.push-pull and lr.keep-unreachable-states.
1219 Maintain old names for backward compatibility.
1220 * NEWS (2.5): Document.
1221 * data/c.m4 (b4_identification): Update comment.
1222 * data/yacc.c: Update access.
1223 * doc/bison.texinfo: Update.
1224 * etc/bench.pl.in (bench_grammar): Update use.
1225 * src/files.c (tr): Move to...
1226 * src/getargs.c, src/getargs.h (tr): ... here because I can't
1227 think of a better place to expose it. My logic is that, for all
1228 uses of tr so far, command-line arguments can be involved, and
1229 getargs.h is already included.
1230 * src/main.c (main): Update access.
1231 * src/muscle_tab.c (muscle_percent_define_insert): Convert old
1232 variable names to new variable names before assigning value.
1233 * src/reader.c (reader): Update setting default.
1234 * tests/calc.at: Update uses.
1235 * tests/conflicts.at (Unreachable States After Conflict
1236 Resolution): Update use.
1237 * tests/input.at (%define enum variables): Update use.
1238 (%define backward compatibility): New test group.
1239 * tests/push.at: Update uses.
1240 * tests/reduce.at: Update uses.
1241 * tests/torture.at: Update uses.
1242
1243 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
1244
1245 Set all front-end %define defaults in one place.
1246 * src/main.c (main): Move lr.keep_unreachable_states default...
1247 * src/reader.c (reader): ... to here.
1248
1249 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
1250
1251 Rename lr.default_reductions to lr.default-reductions.
1252 * NEWS (2.5): Here.
1253 * doc/bison.texinfo: Here.
1254 * src/lalr.c (initialize_LA): Here.
1255 * src/print.c (print_reductions): Here.
1256 * src/reader.c (reader): Here.
1257 * src/tables.c (action_row): Here.
1258 * tests/input.at (%define enum variables): Here.
1259 * tests/reduce.at (AT_TEST_LR_DEFAULT_REDUCTIONS): Here.
1260
1261 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
1262
1263 Pacify ./configure --enable-gcc-warnings.
1264 * tests/input.at (Symbols): Prototype yyerror and yylex.
1265
1266 2009-04-21 Akim Demaille <demaille@gostai.com>
1267
1268 tests: check the use of dashes and periods in symbols.
1269 * tests/input.at (Symbol): New test group.
1270
1271 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
1272
1273 Document how `%define "var" "value"' is not M4-friendly.
1274 * src/parse-gram.y (variable): In comments here.
1275
1276 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
1277
1278 Add copyright updates missed during previous cherry pick.
1279 * src/output.c: Here.
1280 * src/parse-gram.y: Here.
1281 * src/scan-gram.l: Here.
1282
1283 2009-04-20 Akim Demaille <demaille@gostai.com>
1284
1285 variables: accept dashes.
1286 * src/scan-gram.l ({id}): Also accept dashes after the initial
1287 letter.
1288 ({directive}): Use {id}.
1289 * src/parse-gram.y: Comment and formatting changes.
1290 * doc/bison.texinfo (Symbols): Adjust the lexical definitions of
1291 symbols.
1292 * src/complain.h, src/complain.c (yacc_at): New.
1293 * src/symtab.c (symbol_new): Use yacc_at to report inappropriate
1294 symbol names.
1295 * src/output.c (token_definitions_output): Do not #define token
1296 names with dashes.
1297
1298 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
1299
1300 Clean up recent patches a little.
1301 Reported by Akim Demaille.
1302 * doc/bison.texinfo (Understanding): Fix typos.
1303 * src/print.c (print_reductions): Don't use negated variable.
1304
1305 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
1306
1307 List accepted values for a %define enum variable with an invalid value.
1308 Suggested by Akim Demaille at
1309 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00082.html>.
1310 * data/bison.m4 (_b4_percent_define_check_values): Implement.
1311 * src/muscle_tab.c (muscle_percent_define_check_values): Implement.
1312 * tests/input.at (%define lr.default_reductions invalid values): Merge
1313 into...
1314 (%define enum variables): ... here, and update output.
1315
1316 2009-04-23 Joel E. Denny <jdenny@ces.clemson.edu>
1317
1318 Rename "default rule" to "default reduction".
1319 This includes changing variable names in code, changing
1320 comments, and renaming %define lr.default_rules to %define
1321 lr.default_reductions.
1322 * NEWS (2.5): Update IELR documentation.
1323 * data/glr.c, data/lalr1.cc, data/lalr1.java, data/yacc.c:
1324 Adjust YYDEFACT and yydefact_ documentation.
1325 * doc/bison.texinfo (Decl Summary): Adjust lr.default_reductions
1326 and lr.type documentation. Make some other wording
1327 improvements.
1328 (Glossary): Adjust cross-references and Default Reduction
1329 definition.
1330 * src/lalr.c (state_lookahead_tokens_count): Adjust code.
1331 Remove a confusing comment pointed out by Akim Demaille.
1332 (initialize_LA): Adjust code.
1333 * src/print-xml.c (print_reductions): Adjust code.
1334 * src/print.c (print_reductions): Adjust code.
1335 * src/reader.c (reader): Adjust code.
1336 * src/tables.c (action_row): Adjust code.
1337 (token_actions): Adjust code.
1338 * src/tables.h: Adjust YYDEFACT documentation.
1339 * tests/input.at (%define lr.default_rules invalid values):
1340 Rename test group to...
1341 (%define lr.default_reductions invalid values): ... this, and
1342 update grammar file and expected output.
1343 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): Rename to...
1344 (AT_TEST_LR_DEFAULT_REDUCTIONS): ... this, and update.
1345
1346 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1347
1348 Document %define lr.type and lr.default_rules.
1349 * NEWS (2.5): Add an entry.
1350 * src/getargs.c (usage): Mention IELR(1) and canonical LR(1)
1351 besides just LALR(1) and GLR(1).
1352 * doc/bison.texinfo (Introduction): Likewise.
1353 (Language and Grammar): Bison is no longer limited to LALR(1)
1354 restrictions.
1355 (GLR parsing): Say deterministic or LR(1) rather than LALR(1)
1356 when trying to distinguish from GLR. Talk about LR(1) grammars
1357 rather than LALR(1) grammars.
1358 (Decl Summary): In %define api.push_pull entry, say it applies
1359 to deterministic parsers in C rather than LALR(1) parsers in C.
1360 Add lr.default_rules entry.
1361 Add lr.type entry.
1362 (Mystery Conflicts): Bison is no longer limited to LALR(1)
1363 restrictions.
1364 (Generalized LR Parsing): Same changes as for the previous GLR
1365 section.
1366 (Memory Management): Say deterministic rather than LALR(1).
1367 (Understanding): Correct some bison output.
1368 Index discussion of "accepting state".
1369 Say deterministic rather than LALR(1).
1370 (Bison Options): In --yacc entry, say deterministic rather than
1371 LALR(1).
1372 In --report, --graph, and --xml entries, just don't mention
1373 LALR(1).
1374 (C++ Parsers): Say deterministic rather than LALR(1).
1375 (Table of Symbols): Likewise in YYSTACK_USE_ALLOCA entry.
1376 (Glossary): Add Accepting State, Consistent State, Default Rule,
1377 and IELR(1) definitions.
1378 In Generalized LR (GLR) definition, make same changes as in
1379 previous GLR sections.
1380 In LALR(1) definition, say Bison uses LALR(1) by default rather
1381 than implying Bison is limited to LALR(1).
1382 (LocalWords): Add IELR.
1383
1384 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1385
1386 Finish implementing %define lr.type.
1387 Its value can be "LALR", "IELR", or "canonical LR".
1388 * lib/timevar.def (TV_IELR_PHASE1): New var.
1389 (TV_IELR_PHASE2): New var.
1390 (TV_IELR_PHASE3): New var.
1391 (TV_IELR_PHASE4): New var.
1392 * src/Makefile.am (bison_SOURCES): Add AnnotationList.c,
1393 AnnotationList.h, InadequacyList.c, InadequacyList.h, Sbitset.c,
1394 Sbitset.h, ielr.h, and ielr.c.
1395 * src/getargs.h, src/getargs.c (enum trace, trace_args,
1396 trace_types): Add trace_ielr.
1397 * src/lalr.h, src/lalr.c (ngotos): Export it.
1398 (F): Rename to...
1399 (goto_follows): ... this, update all uses, and export it.
1400 (set_goto_map): Export it.
1401 (map_goto): Export it.
1402 (compute_lookahead_tokens): Don't free goto_follows yet. Now
1403 handled in ielr.
1404 (initialize_LA): Export it. Move lookback allocation to...
1405 (lalr): ... here because, for canonical LR, initialize_LA must
1406 be invoked but lookback and much of the rest of LALR isn't
1407 needed.
1408 * main.c (main): Instead of lalr, invoke ielr, which invokes
1409 lalr.
1410 * src/reader.c (reader): Default lr.type to "LALR".
1411 Default lr.default_rules to "accepting" if lr.type is "canonical
1412 LR". Leave the default as "all" otherwise.
1413 Check for a valid lr.type value.
1414 * src/state.h, src/state.c (struct state_list): Add state_list
1415 member.
1416 (state_new): Initialize state_list member to NULL.
1417 (state_new_isocore): New function, exported.
1418 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): New macro that
1419 exercises all values of lr.type.
1420 (GNU AWK Grammar): Rename test group to...
1421 (GNU AWK 3.1.0 Grammar): ... this, and extend to use
1422 AT_TEST_EXISTING_GRAMMAR.
1423 (GNU Cim Grammar): Extend to use AT_TEST_EXISTING_GRAMMAR.
1424 (GNU pic Grammar): Rename test group to...
1425 (GNU pic (Groff 1.18.1) Grammar): ... this, and extend to use
1426 AT_TEST_EXISTING_GRAMMAR.
1427 * tests/reduce.at (AT_TEST_LR_TYPE): New macro that exercises
1428 all values of lr.type.
1429 (Single State Split): New test groups using AT_TEST_LR_TYPE.
1430 (Lane Split): Likewise.
1431 (Complex Lane Split): Likewise.
1432 (Split During Added Lookahead Propagation): Likewise.
1433
1434 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
1435
1436 Add new files for IELR and canonical LR implementation.
1437 * src/AnnotationList.c: New.
1438 * src/AnnotationList.h: New.
1439 * src/InadequacyList.c: New.
1440 * src/InadequacyList.h: New.
1441 * src/Sbitset.c: New.
1442 * src/Sbitset.h: New.
1443 * src/ielr.c: New.
1444 * src/ielr.h: New.
1445
1446 2009-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
1447
1448 Implement %define lr.default_rules.
1449 Its value describes the states that are permitted to contain
1450 default rules: "all", "consistent", or "accepting".
1451 * src/reader.c (reader): Default lr.default_rules to "all".
1452 Check for a valid lr.default_rules value.
1453 * src/lalr.c (state_lookahead_tokens_count): If lr.default_rules
1454 is "accepting", then only mark the accepting state as
1455 consistent.
1456 (initialize_LA): Tell state_lookahead_tokens_count whether
1457 lr.default_rules is "accepting".
1458 * src/tables.c (action_row): If lr.default_rules is not "all",
1459 then disable default rules in inconsistent states.
1460 * src/print.c (print_reductions): Use this opportunity to
1461 perform some assertions about whether lr.default_rules was
1462 obeyed correctly.
1463 * tests/local.at (AT_TEST_TABLES_AND_PARSE): New macro that
1464 helps with checking the parser tables for a grammar.
1465 * tests/input.at (%define lr.default_rules invalid values): New
1466 test group.
1467 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): New macro using
1468 AT_TEST_TABLES_AND_PARSE.
1469 (`no %define lr.default_rules'): New test group generated by
1470 AT_TEST_LR_DEFAULT_RULES.
1471 (`%define lr.default_rules "all"'): Likewise.
1472 (`%define lr.default_rules "consistent"'): Likewise.
1473 (`%define lr.default_rules "accepting"'): Likewise.
1474
1475 2009-04-20 Akim Demaille <demaille@gostai.com>
1476
1477 Consistently refer to Yacc, not YACC.
1478 * src/getargs.c (usage, warnings_args): s/YACC/Yacc/.
1479
1480 2009-04-17 Joel E. Denny <jdenny@ces.clemson.edu>
1481
1482 Pacify make maintainer-check-posix.
1483 * tests/input.at (%define, --define): Move bison command-line
1484 options before grammar file name.
1485
1486 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
1487
1488 Document semicolon warnings.
1489 * NEWS (2.5): Here.
1490
1491 2008-12-08 Akim Demaille <demaille@gostai.com>
1492
1493 Fix portability issue in the test suite.
1494 * tests/local.at (AT_MATCHES_CHECK): New.
1495 Based on Perl instead of Sed. Sed has too many portability
1496 pitfalls, not ever Sed is GNU Sed.
1497 * tests/actions.at (Fix user actions without a trailing semicolon):
1498 Use it.
1499
1500 2008-12-07 Di-an Jan <dianj@freeshell.org>
1501
1502 Implement the FIXME that ends an user action with a semicolon
1503 if it seems necessary.
1504 * src/scan-code.l (flex rules section): Flag cpp directive from
1505 any `#' to the first unescaped end-of-line. Semicolon is not
1506 needed after `;', `{', '}', or cpp directives and is needed after
1507 any other token (whitespaces and comments have no effect).
1508 * tests/actions.at (Fix user actions without a trailing semicolon):
1509 New test.
1510 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
1511 to make user actions complete statements.
1512 Adjust column numbers in error messages.
1513 * tests/regression.at (Fix user actions without a trailing semicolon):
1514 Remove. Covered by new test.
1515
1516 2009-04-14 Akim Demaille <demaille@gostai.com>
1517
1518 doc: minor fixes.
1519 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
1520 (Table of Symbols): Remove duplicate entry for %debug.
1521
1522 2009-04-10 Eric Blake <ebb9@byu.net>
1523
1524 submodules: update to latest
1525 * submodules/autoconf: Use latest upstream Autoconf.
1526
1527 2009-04-06 Eric Blake <ebb9@byu.net>
1528
1529 Work around autoconf 2.63b bug in testsuite.
1530 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
1531 autoconf bug related to # in test.
1532
1533 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
1534
1535 * NEWS (2.5): Describe new -D/--define feature.
1536
1537 2008-11-10 Akim Demaille <demaille@gostai.com>
1538
1539 --trace=muscles
1540 * src/getargs.h, src/getargs.c (trace_muscle): New.
1541 (trace_types, trace_args): Support it.
1542 * src/output.c (output_skeleton): Use it.
1543
1544 2008-11-10 Akim Demaille <demaille@gostai.com>
1545
1546 muscles_output.
1547 * src/output.c (muscles_output): New, extracted from...
1548 (output_skeleton): here.
1549 Adjust.
1550
1551 2008-11-21 Akim Demaille <demaille@gostai.com>
1552
1553 Display the changes in cross-options.texi.
1554 * build-aux/cross-options.pl ($sep): New, to separate items.
1555 * doc/Makefile.am ($(srcdir)/cross-options.texi): Use diff to display
1556 the changes.
1557
1558 2008-11-20 Di-an Jan <dianj@freeshell.org>
1559
1560 Improves options in the manual.
1561 * doc/bison.texinfo (-g, -x): Add space before argument.
1562 (Option Cross Key): Implement FIXME: listing directives also.
1563 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
1564 (Short Option): Special case -d. Put arguments inside @option.
1565 (Bison Directive): Add column, automatically extracted from
1566 src/scan-gram.l (actual name passed as the first argument)
1567 with special case for %define.
1568 * doc/Makefile.am (doc/cross-options.texi): Pass src/scan-gram.l
1569 to build-aux/cross-options.pl.
1570 * src/getargs.c (usage): Document limitations of cross-options.pl.
1571 * src/scan-gram.l: Likewise.
1572
1573 2009-02-25 Akim Demaille <demaille@gostai.com>
1574
1575 Copyright years.
1576 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
1577
1578 2008-12-08 Akim Demaille <demaille@gostai.com>
1579
1580 Install autoconf as a submodule to get m4sugar.
1581 * .gitmodules: Add submodules/autoconf.
1582 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
1583 submodules/autoconf.
1584
1585 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
1586
1587 Simplify last patch slightly.
1588 * src/getargs.c (getargs): Here.
1589
1590 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
1591
1592 Fix last warning from --enable-gcc-warnings.
1593 * src/getargs.c (getargs): Don't assign const address to non-const
1594 pointer.
1595
1596 2008-11-17 Di-an Jan <dianj@freeshell.org>
1597
1598 Handle --enable-gcc-warnings.
1599 * src/getargs.c (command_line_location): Set parameters to void.
1600
1601 2008-11-11 Akim Demaille <demaille@gostai.com>
1602
1603 AT_FULL_COMPILE.
1604 * tests/actions.at, tests/regression.at: Use it.
1605
1606 2008-11-07 Akim Demaille <demaille@gostai.com>
1607
1608 Pass command line location to skeleton_arg and language_argmatch.
1609 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
1610 The location argument is now mandatory.
1611 Adjust all dependencies.
1612 (getargs): Use command_line_location.
1613
1614 2008-11-07 Akim Demaille <demaille@gostai.com>
1615
1616 -D, --define.
1617 * src/getargs.c (usage): Document -D.
1618 Fix help string for --locations.
1619 (command_line_location): New.
1620 (short_options, long_options, getargs): Support -D, --define.
1621 (getargs): Move -d support at the right place.
1622 * doc/bison.texinfo (Bison Options): Update.
1623 * tests/input.at (%define, --define): New.
1624
1625 2008-11-07 Akim Demaille <demaille@gostai.com>
1626
1627 Initialize the muscle table before parsing the command line.
1628 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
1629 (getargs): Define file_name.
1630 * src/main.c (main): Initialize muscle_tab before calling
1631 getargs.
1632 * src/muscle_tab.c (muscle_init): No longer define file_name, as
1633 its value is not available yet.
1634
1635 2008-11-09 Akim Demaille <demaille@gostai.com>
1636
1637 Require the generation of parse-gram.output.
1638 * src/Makefile.am (YACC): Pass --report=all.
1639
1640 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
1641
1642 * NEWS (2.5): New stub.
1643
1644 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
1645
1646 Fix options documentation.
1647 * build-aux/cross-options.pl: As in --help output, write optional
1648 arguments as [=ARG] not =[ARG].
1649 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
1650
1651 2008-11-07 Akim Demaille <demaille@gostai.com>
1652
1653 Fix --help.
1654 * src/getargs.c (usage): Fix help string for -W.
1655
1656 2008-11-07 Akim Demaille <demaille@gostai.com>
1657
1658 Handle more general types of option arguments.
1659 * build-aux/cross-options.pl: The argument ends at the first
1660 space, not the first non-symbol character.
1661 Use @var for each word appearing the argument description.
1662
1663 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
1664
1665 Remove spurious initial empty lines.
1666 * data/location.cc: End the @output lines with an @.
1667
1668 2008-11-04 Akim Demaille <demaille@gostai.com>
1669
1670 Remove spurious initial empty lines.
1671 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1672 * data/yacc.c: End the @output lines with an @.
1673
1674 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
1675
1676 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
1677 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
1678 requirements for a correct m4 are stricter.
1679 * m4/m4.m4: Replace with Autoconf 2.63's m4/m4.m4.
1680 * configure.ac: Update to use AC_PROG_GNU_M4.
1681 Reported by Eric Blake.
1682
1683 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1684
1685 Help with updating web manual.
1686 * HACKING: Incorporate instructions from gnulib/doc/README.
1687 * bootstrap.conf (gnulib_modules): Add gendocs.
1688
1689 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
1690
1691 Fix strange %define locations for default values.
1692 Reported by Akim Demaille at
1693 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
1694 and discussed again starting at
1695 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
1696 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
1697 because location information is bogus.
1698 Use angle brackets to delimit fake file name because square brackets
1699 look like underexpanded m4. Choose a better fake file name.
1700 Use negative line numbers.
1701 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
1702 * src/location.c (location_print): If line for a boundary is negative,
1703 only print that boundary's file name.
1704 * src/location.h: Document that.
1705 * tests/skeletons.at (%define Boolean variables: invalid skeleton
1706 defaults): Update output.
1707
1708 2008-11-07 Akim Demaille <demaille@gostai.com>
1709
1710 Locations without columns for command line arguments.
1711 * src/location.c (location_print): Don't display negative columns.
1712 * src/location.h: Document this.
1713
1714 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
1715
1716 Add reminder about uploading public key to keys.gnupg.net.
1717 * HACKING (Release Procedure): Here.
1718
1719 2009-03-31 Akim Demaille <demaille@gostai.com>
1720
1721 bootstrap: --help to stdout.
1722 * bootstrap (usage): Don't send --help to stderr.
1723 Use a here doc instead of a long string.
1724
1725 2009-03-31 Akim Demaille <demaille@gostai.com>
1726
1727 bootstrap: README-hacking no longer exists
1728 * bootstrap (checkout_only_file): Set to HACKING.
1729
1730 2009-03-26 Akim Demaille <demaille@gostai.com>
1731
1732 doc: merge HACKING and README-hacking.
1733 Two files is confusing.
1734 Reported by Alexandre Duret-Lutz.
1735
1736 * README-hacking: Merge into...
1737 * HACKING (Working from the repository): here.
1738
1739 2009-03-26 Akim Demaille <demaille@gostai.com>
1740
1741 doc: update README-hacking.
1742 * README-hacking: We now use git and git submodules.
1743 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
1744
1745 2009-03-26 Akim Demaille <demaille@gostai.com>
1746
1747 lalr1.cc: avoid GCC 4.3 warnings.
1748 GCC 4.3 now warns about "a || b && c" and asks for explicit
1749 parentheses.
1750 Reported by Alexandre Duret-Lutz.
1751 * data/location.cc: Update copyright years.
1752 (Position::operator==): Use parens to make precedence explicit.
1753 Compare lines and columns first, as they are more likely to be
1754 different, and they are faster to compare.
1755
1756 2009-03-26 Akim Demaille <demaille@gostai.com>
1757
1758 gnulib: update.
1759 * gnulib: Update to latest.
1760 * lib/Makefile.am (AM_CPPFLAGS): It is now defined by gnulib, so
1761 use +=.
1762
1763 2009-01-08 Akim Demaille <demaille@gostai.com>
1764
1765 Fix grep portability issues.
1766 Grep on Solaris does not support -q.
1767 Reported by Summum Bonum.
1768
1769 * NEWS: Add a stub for 2.4.2.
1770 * THANKS: Add Summum Bonum.
1771 * tests/atlocal.in (EGREP): New.
1772 (CC, CXX, XSLTPROC): Make it possible to override them via
1773 envvars.
1774 * tests/java.at: Use $EGREP instead of egrep.
1775 Use AT_CHECK's ignore instead of grep's -q.
1776
1777 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
1778
1779 Version 2.4.1.
1780 * NEWS: Set version and date.
1781 * lib/Makefile.am: Update copyright year.
1782 * tests/atlocal.in: Update copyright year.
1783
1784 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
1785
1786 Semicolon feature removal is not about future language support.
1787 * NEWS: The semicolon feature is no longer active for newer languages,
1788 so don't claim that it causes trouble for them.
1789
1790 2008-12-11 Joel E. Denny <jdenny@ces.clemson.edu>
1791
1792 * gnulib: Update submodule to HEAD.
1793
1794 2008-12-09 Akim Demaille <demaille@gostai.com>
1795
1796 Update data/README.
1797 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
1798
1799 2008-12-05 Eric Blake <ebb9@byu.net>
1800
1801 Build testsuite with newer autoconf.
1802 * tests/output.at (m4_expand): Don't override in newer autoconf,
1803 where the underlying implementation changed.
1804 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
1805 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
1806 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
1807 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
1808 since some of them contain unbalanced ')'.
1809
1810 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
1811
1812 * NEWS: Clarify a little.
1813
1814 2008-11-19 Joel E. Denny <jdenny@ces.clemson.edu>
1815
1816 * NEWS: Update for recent changes.
1817
1818 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
1819
1820 Fix unexpanded macros in GLR defines file.
1821 Reported by Csaba Raduly at
1822 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
1823 * THANKS (Csaba Raduly): Add.
1824 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
1825 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
1826 lexer in a separate module that includes the defines file.
1827 (AT_CHECK_CALC): Use AT_FULL_COMPILE and request compilation of lexer
1828 source.
1829 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
1830 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
1831 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
1832 (AT_DATA_SOURCE_PROLOGUE): New.
1833 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
1834 (AT_DATA_SOURCE): New.
1835 (AT_FULL_COMPILE): New, copied from master branch and extended to
1836 support an additional source file.
1837
1838 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
1839
1840 Don't let maintainer-*-check targets force a version update.
1841 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
1842 handled.
1843
1844 2008-11-17 Di-an Jan <dianj@freeshell.org>
1845
1846 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
1847 Align menus. Adjust word wrapping. Use node names for menu names.
1848 (Examples): Don't abbreviate node names.
1849 (LocalWords): Remove abbreviations.
1850 (Copying): Make description a sentence.
1851 (Java Action Features): Remove period to match the rest of menu.
1852
1853 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
1854
1855 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
1856 * configure.ac: Adjust usage.
1857 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1858 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1859 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
1860
1861 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1862
1863 Don't add a semicolon to actions for %skeleton or %language.
1864 It breaks Java test cases as reported by Akim Demaille.
1865 * src/scan-code.l: Implement.
1866
1867 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1868
1869 Clean up %skeleton and %language priority implementation.
1870 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
1871 remove static qualifier because others will soon need to see it.
1872 (language_prio): Likewise.
1873 (getargs): Use command_line_prio rather than 0.
1874 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
1875 enum fields.
1876 (skeleton_prio): Extern it.
1877 (language_prio): Extern it.
1878 * src/parse-gram.y: Use grammar_prio rather than 1.
1879
1880 2008-11-04 Akim Demaille <demaille@gostai.com>
1881
1882 * NEWS: Mention the trailing semicolon in action.
1883
1884 2008-11-04 Akim Demaille <demaille@gostai.com>
1885
1886 Reformat NEWS.
1887 * NEWS: Use more outline-mode markup.
1888 Suggested by Jim Meyering.
1889
1890 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
1891
1892 Fix user actions without a trailing semicolon.
1893 Reported by Sergei Steshenko at
1894 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
1895 * THANKS (Sergei Steshenko): Add.
1896 * src/scan-code.l (SC_RULE_ACTION): Fix it.
1897 * tests/regression.at (Fix user actions without a trailing semicolon):
1898 New test case.
1899
1900 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1901
1902 Initiate further development.
1903 * NEWS: Create an empty section for new entries.
1904 * gnulib: Update submodule to HEAD.
1905
1906 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1907
1908 * NEWS: Version 2.4.
1909
1910 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1911
1912 Prepare for next release.
1913 * NEWS: Briefly mention changes since 2.3b.
1914 * README: Say GNU m4 1.4.6, which we've been requiring in release
1915 announcements already, not 1.4.3, which breaks the build.
1916
1917 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1918
1919 Say %language is experimental.
1920 We're thinking of extending it's effect on output file naming. See the
1921 thread at
1922 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
1923 * NEWS: Say it's experimental.
1924 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
1925 recommend it over %skeleton for now.
1926 (Bison Options): Likewise.
1927 (C++ Bison Interface): Use %skeleton not %language.
1928 (Calc++ Parser): Use %skeleton not %language.
1929 * src/getargs.c (usage): Say it's experimental.
1930
1931 2008-11-01 Di-an Jan <dianj@freeshell.org>
1932 Paolo Bonzini <bonzini@gnu.org>
1933
1934 Support all Java parser class modifiers.
1935 * data/java.m4 (b4_percent_define_get3): New.
1936 (b4_final_if, b4_strictfp_if): New.
1937 * data/lalr1.java (final, strictfp, extends, implements): Support.
1938 * doc/bison.texinfo (final, strictfp, extends, implements): Add
1939 documentation.
1940 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
1941 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
1942 (AT_CHECK_JAVA_GREP): New.
1943 (Java parser class modifiers): New test.
1944 (Java parser class extends and implements): New test.
1945
1946 Model exception propagation better with throws and lex_throws.
1947 * data/java.m4 (b4_list2): New.
1948 (throws): Change default.
1949 * data/lalr1.java (yyaction): Add throws.
1950 (parse): Add lex_throws in addition to throws.
1951 * doc/bison.texinfo (throws, lex_throws): Add documentation.
1952 * tests/java.at (Java throws specifications): New test.
1953
1954 Improve documentation for Java parsers.
1955 * doc/bison.texinfo (Java Parsers): Add subsections.
1956 Don't quote first argument of %define.
1957 (Java Bison Interface): Document output files. Move documentation
1958 of parser class and merge into Java Parser Interface. Document
1959 features that error out. Document directives with no effect.
1960 Move note about Javadoc higher.
1961 (Java Semantic Values): Explicitly mention stype.
1962 Document that generic types cannot be used.
1963 (Java Location Values): Use @deftypeivar. Document constructors.
1964 Correct return value for toString.
1965 (Java Parser Interface): List undocumented constants/fields.
1966 Move documentation of fields added by %parse-param closer to list
1967 of members. Document that token names are added as fields.
1968 Document constructors accurately. Remove error method.
1969 (Java Scanner Interface): Move note on %pure-parser to Java Bison
1970 Interface. Describe %code lexer and yylex accutately.
1971 Remove documentation that does not match the code.
1972 (Java Action Features): New.
1973 (Java Differences): Add reference. Add item on semantic values.
1974 Add note about @{ ... @}. Clarify %% epilogue placement.
1975 (Java Declarations Summary): New.
1976
1977 Fix Java skeleton.
1978 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
1979 (b4_remove_comma): Quote test argument.
1980 (b4_identification): Remove "bison" field.
1981 * tests/java.at (Java parser class and package names): New test.
1982 (Java %parse-param and %lex-param): New test.
1983 (Java stype, position_class and location_class): New test.
1984
1985 2008-10-31 Di-an Jan <dianj@freeshell.org>
1986
1987 * data/lalr1.jave: Update copyright years.
1988 (YYParser): Correct name of "generated from" file in Javadoc:
1989 use b4_file_name instead of @ofile@.
1990 (Location constructor): Correct Javadoc parameter name.
1991 (yylloc): Add missing opening m4 quote after b4_location_if.
1992 This removes a stray [ in the Javadoc of Lexer.getStartPos.
1993 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
1994 (YYParser constructor): Correct Javadoc parameter name.
1995
1996 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
1997
1998 Always put auxiliary code files in the same dir as other output files.
1999 * src/files.c (compute_file_name_parts): When the user specifies
2000 --output but not --file-prefix, extract the directory prefix from the
2001 file prefix not from the grammar file name. This affects the location
2002 of files like location.hh generated by the C++ skeleton. The includes
2003 in the other output files require this fix.
2004 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
2005 for expected output files.
2006 (Output files): Add a test for the above.
2007
2008 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
2009
2010 * gnulib: Update submodule to HEAD.
2011
2012 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2013
2014 Update copyright year.
2015 * src/files.c: Here.
2016
2017 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
2018
2019 Don't overwrite the input file.
2020 * src/files.c (output_file_name_check): Fatal error if using input file
2021 for output.
2022 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
2023 argument.
2024 (Conflicting output files): Add test.
2025
2026 2008-10-28 Akim Demaille <demaille@gostai.com>
2027
2028 Space changes.
2029 * data/lalr1.cc: Formatting changes.
2030
2031 2008-10-28 Akim Demaille <demaille@gostai.com>
2032
2033 Don't define debugging functions when !YYDEBUG.
2034 * data/lalr1.cc (debug_stream, set_debug_stream)
2035 (debug_level_type, debug_level, set_debug_level): Don't
2036 declare them when YYDEBUG is not defined.
2037 The implementation are already YYDEBUG-aware.
2038
2039 2008-10-28 Akim Demaille <demaille@gostai.com>
2040
2041 Prefer "continue" for empty loop bodies.
2042 * etc/bench.pl.in: Use "continue" instead of {}.
2043
2044 2008-10-28 Akim Demaille <demaille@gostai.com>
2045
2046 Space and comments changes.
2047 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
2048 * data/c.m4, data/lalr1.cc: Space changes.
2049
2050 2008-10-28 Akim Demaille <demaille@gostai.com>
2051
2052 Make gnulib a submodule.
2053 * gnulib: New.
2054 * .gitmodules (gnulib): New.
2055
2056 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2057
2058 Fix yyerror_range for user-defined location type in C++. Reported by
2059 Georg Sauthoff at
2060 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
2061 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
2062 * THANKS (Georg Sauthoff): Add.
2063
2064 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2065
2066 Update several administrative files mainly to facilitate releasing.
2067 * HACKING (Administrivia): Make the git-merge-changelog notes more
2068 helpful.
2069 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
2070 (Release Procedure): Update for git and add numerous details that were
2071 previously missing.
2072 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
2073 * maint.mk (announcement): Don't list bison as a bootstrap tool so
2074 that announcements don't claim we bootstrapped with whatever bison
2075 happened to be in PATH. Add flex as a bootstrap tool.
2076 * Makefile.maint: Remove, previously replaced by maint.mk.
2077 * Makefile.cfg: Remove, and migrate settings to...
2078 * cfg.mk: ... here for the sake of `make announcement'.
2079 * bootstrap.conf (gnulib_modules): Add announce-gen.
2080 * README: Say GNU Bison instead of just Bison. Suggested by Karl
2081 Berry.
2082
2083 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
2084
2085 Small but important bugfixes for the Java skeleton.
2086 * data/lalr1.java (yyerror): Change Location to b4_location_type.
2087 (yy_symbol_print): Call toString on yyvaluep.
2088
2089 2008-08-29 Akim Demaille <demaille@gostai.com>
2090
2091 Clarify UPDATED use.
2092 * doc/bison.texinfo: It refers to the last edition of this file,
2093 not to the release date of Bison.
2094 Reported by Joel E. Denny.
2095
2096 2008-08-29 Akim Demaille <demaille@gostai.com>
2097
2098 * README: Update FAQ pointer.
2099 Reported by Joel E. Denny.
2100
2101 2008-08-27 Eric Blake <ebb9@byu.net>
2102
2103 Resync m4sugar from autoconf.
2104 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
2105 (m4_init): Adjust to latest m4.git changes.
2106 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
2107 effects.
2108 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
2109 (_m4_list_cmp): Reduce side effects.
2110
2111 2008-08-27 Akim Demaille <demaille@gostai.com>
2112
2113 Check yyerrok in calc.at.
2114 * tests/calc.at (calc.y): Use yyerrok on "( error )".
2115 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
2116 expected.
2117
2118 2008-08-27 Akim Demaille <demaille@gostai.com>
2119
2120 Support yyerrok in lalr1.cc.
2121 YYBACKUP is still to import back into lalr1.cc.
2122 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
2123
2124 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2125
2126 For maintainer-check*, don't recompile for a $(VERSION) update.
2127 * cfg.mk: New file.
2128 (_is-dist-target): Override the one in GNUmakefile.
2129 * Makefile.am (EXTRA_DIST): Add cfg.mk.
2130
2131 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2132
2133 Update for recent change to gnulib.
2134 * src/parse-gram.y: Don't include strverscmp.h. It comes from
2135 string.h now.
2136
2137 2008-08-15 Eric Blake <ebb9@byu.net>
2138
2139 Remaining m4sugar merge from autoconf.
2140 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
2141 * data/m4sugar/foreach.m4: New file, copied from autoconf.
2142 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
2143 * src/output.c (output_skeleton): Tell m4 how to find it.
2144
2145 Partial m4sugar merge from autoconf: m4_map.
2146 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
2147 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
2148 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
2149 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
2150 for empty list.
2151 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
2152 Likewise.
2153 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
2154 declares it.
2155
2156 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
2157
2158 Keep .version and PACKAGE_VERSION in sync.
2159 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
2160 dependency, and add comments justifying this in more detail. Discussed
2161 starting at
2162 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
2163
2164 2008-08-06 Eric Blake <ebb9@byu.net>
2165
2166 Partial m4sugar merge from autoconf: m4_shiftn.
2167 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
2168 (m4_shift2, m4_shift3): New macros.
2169 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
2170 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
2171 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
2172 * data/java.m4 (b4_remove_comma): Likewise.
2173
2174 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
2175 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
2176 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
2177 (m4_init): Consolidate wrapped text into single m4_wrap.
2178 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
2179 in wrapped text.
2180
2181 2008-08-05 Eric Blake <ebb9@byu.net>
2182
2183 Partial m4sugar merge from autoconf: builtins, version.m4.
2184 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
2185 (m4_prepend): Remove, as it is unused and inherently quadratic,
2186 whereas m4_append is linear in newer m4.
2187 (m4_mkstemp): New builtin.
2188 (m4_symbols): Make rename conditional.
2189 (m4_version_prereq): Ensure fatal error if used in bison, which
2190 intentionally lacks version.m4.
2191
2192 Fix comments in m4sugar.
2193 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
2194
2195 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2196
2197 Update for recent .gitignore fix in Gnulib.
2198 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
2199 anchored .gitignore entries.
2200
2201 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2202
2203 Set gnu or gnits strictness.
2204 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
2205 development and gnits strictness for releases. Based on Eric Blake's
2206 suggestion at
2207 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
2208
2209 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2210
2211 * NEWS: Clarify documentation of %language.
2212
2213 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2214
2215 Support usage of git-merge-changelog.
2216 * .gitattributes: New.
2217 * HACKING: Document usage of git-merge-changelog.
2218 * bootstrap: Install git-merge-changelog entries in .git/config
2219 if appropriate.
2220
2221 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2222
2223 Remove remaining dependence on CVS Id keyword.
2224 * ChangeLog: For the sake of people still using CVS, don't use dollars
2225 when mentioning Id.
2226 * data/xslt/bison.xsl: Remove Id from header comments, where it was
2227 unusual anyway.
2228 * data/xslt/xml2dot.xsl: Likewise.
2229 * data/xslt/xml2text.xsl: Likewise.
2230 * data/xslt/xml2xhtml.xsl: Likewise.
2231 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
2232 * doc/Makefile.am (neutralize): Remove, no longer needed.
2233 (.x.1): Don't use neutralize.
2234 (edit): Don't substitute for ID.
2235 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
2236
2237 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2238
2239 Fix dependence on computed configure variables.
2240 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
2241 $(top_srcdir)/configure.ac so that changes to computed variables, such
2242 as PACKAGE_VERSION, are seen.
2243 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
2244
2245 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
2246
2247 Update copyright dates for recent changes.
2248 * Makefile.am: Here.
2249 * src/Makefile.am: Here.
2250 * src/reduce.c: Here.
2251 * tests/reduce.at: Here.
2252
2253 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
2254
2255 Use git-version-gen for version names between releases.
2256 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
2257 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
2258 * .prev-version: New.
2259 * .version.in: Remove.
2260 * ChangeLog: Remove the Id previously used for capturing the CVS
2261 revision.
2262 * GNUmakefile: Remove, now copied from Gnulib.
2263 * Makefile.am: Add code suggested by comments in
2264 build-aux/git-version-gen.
2265 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
2266 .prev-version, and .version.
2267 * NEWS (2.3b+): Rename to...
2268 (?.?): ... this because we're dropping the "+" version naming scheme,
2269 but, in general, we still can't be sure of our next release name.
2270 * bootstrap: Add a quick hack to remove from .gitignore the
2271 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
2272 entry. This should really be fixed in gnulib instead.
2273 * bootstrap.conf (gnulib_modules): Add gnumakefile.
2274 * configure.ac (AC_INIT): Set version name by invoking
2275 build-aux/git-version-gen.
2276 (AC_CONFIG_FILES): Remove .version, now generated by
2277 build-aux/git-version-gen.
2278 * maint.mk: New, copied from coreutils.
2279 * doc/.cvsignore (bison.1): Add.
2280 * doc/.gitignore (/bison.1): Add.
2281 * doc/bison.1: Remove, generated.
2282 * src/.cvsignore (revision.c): Remove.
2283 * src/.gitignore (/revision.c): Remove.
2284 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
2285 (BUILT_SOURCES): Remove revision.c.
2286 (revision.c): Remove.
2287 * src/getargs.c (version): Don't print revision after the VERSION.
2288 * src/revision.h: Remove.
2289
2290 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
2291
2292 Fix untranslatable composition of sentences. Reported by Goran
2293 Uddeborg at
2294 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
2295 * THANKS (Goran Uddeborg): Add.
2296 * src/reduce.c (reduce_print): Report the number of nonterminals and
2297 rules useless in the grammar in separate sentences.
2298 * tests/reduce.at (Useless Rules): Update output.
2299 (Reduced Automaton): Likewise.
2300 (Underivable Rules): Likewise.
2301 (Empty Language): Likewise.
2302
2303 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2304
2305 Fix some .gitignore and .cvsignore problems.
2306 * bootstrap (insert_sorted_if_absent): Replace all uses with...
2307 (insert_vc_ignore): ... this new function, which prepends `/' to all
2308 .gitignore entries before passing them to insert_sorted_if_absent.
2309 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
2310 .cvsignore files are maintained even though Bison developers run
2311 bootstrap while using Git.
2312 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
2313 unneeded by Bison.
2314 (gnulib): Add.
2315 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
2316 unneeded. Reported by Eric Blake.
2317 * lib/.gitignore (/*~): Add.
2318 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
2319 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
2320 Blake.
2321 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
2322
2323 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2324
2325 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
2326 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
2327 * bootstrap.conf (gnulib_modules): Add unsetenv.
2328 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
2329 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
2330 (/setenv.m4): Add.
2331 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
2332 the first argument because it may become position-dependent, and unset
2333 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
2334 Add comments explaining these issues in more detail.
2335
2336 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
2337
2338 Add .gitignore everywhere based on .cvsignore.
2339 * .gitignore: New.
2340 * build-aux/.gitignore: New.
2341 * data/.gitignore: New.
2342 * doc/.gitignore: New.
2343 * etc/.gitignore: New.
2344 * examples/.gitignore: New.
2345 * examples/calc++/.gitignore: New.
2346 * lib/.gitignore: New.
2347 * m4/.gitignore: New.
2348 * po/.gitignore: New.
2349 * runtime-po/.gitignore: New.
2350 * src/.gitignore: New.
2351 * tests/.gitignore: New.
2352
2353 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2354
2355 * NEWS (2.3b+): New section, empty for now.
2356 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
2357
2358 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2359
2360 * NEWS (2.3b): Update release date since there has been a delay in
2361 getting the announcements and tarballs out.
2362
2363 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2364
2365 * NEWS: Version 2.3b.
2366 * configure.ac (AC_INIT): Likewise.
2367 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
2368
2369 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2370
2371 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
2372 been doing it for years.
2373 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
2374 (Release Procedure): Add FIXME about make alpha being unmaintained.
2375
2376 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
2377
2378 * data/yacc.c: Reformat m4 a little for readability.
2379 * src/lalr.c (build_relations): Correct comment.
2380
2381 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2382
2383 DJGPP specific issue.
2384 * djgpp/config.sed: Fixes required to run configure scripts generated
2385 by autoconf 2.62.
2386
2387 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2388
2389 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
2390 coordinator@translationproject.org.
2391
2392 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2393
2394 * THANKS: Add Eric Blake.
2395
2396 2008-04-23 Eric Blake <ebb9@byu.net>
2397
2398 Revert prior patch, by working around autoconf regression.
2399 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
2400 ("Output file name: ("): Uncomment test.
2401 ("Output file name: )"): Likewise.
2402 Based on an idea from Noah Misch.
2403
2404 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2405
2406 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2407 2.61. Reported by Juan Manuel Guerrero at
2408 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
2409 * tests/output.at ("Output file name: ("): Comment out test case for
2410 now.
2411 ("Output file name: )"): Likewise.
2412
2413 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2414
2415 * GNUmakefile: Update git-version-gen invocation so make dist
2416 succeeds.
2417
2418 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2419
2420 Update to the current gnulib CVS repository, and fix trigraph handling
2421 in Bison.
2422 * bootstrap: Update gnulib CVS repository URL.
2423 (symlink_to_dir): Encapsulate the code that guarantees the destination
2424 directory exists into...
2425 (check_dst_dir): ... this new function, and...
2426 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
2427 fail when copying files into lib/uniwidth/.
2428 * src/output.c (prepare_symbols): When writing yytname muscles, where
2429 symbol names will be encoded in C-string literals, tell quotearg to
2430 escape trigraphs. This used to be the default in gnulib.
2431 * tests/regression.at (Token definitions): Because of the change in
2432 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
2433 escapes trigraphs in symbol names. Thus, yytname no longer has
2434 trigraphs unnecessarily doubly escaped. Update test case output.
2435 Extend test case to be sure Bison's own error messages will no longer
2436 have trigraphs in symbol names unnecessarily escaped once.
2437
2438 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2439
2440 Fix make dist infinite loop reported by Juan Manuel Guerrero at
2441 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
2442 * .cvsignore: Add .version.
2443 * .version.in: New.
2444 * bootstrap.conf (gnulib_modules): Add git-version-gen.
2445 * configure.ac (AC_CONFIG_FILES): Add .version.
2446 * build-aux/.cvsignore: Add git-version-gen.
2447
2448 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
2449
2450 * NEWS (2.3a+): Mention that -g now takes an argument.
2451 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
2452 consistency. Update the -g and -x entries now that they take
2453 arguments. Use brackets to indicate optional arguments.
2454 * src/getargs.c (usage): Explain the relationship between arguments of
2455 long and short options more completely. Document --defines and -d
2456 separately since the former takes an argument but, for POSIX Yacc, the
2457 latter does not.
2458 (short_options): Let -W take an optional argument like --warnings.
2459 (getargs): Sort cases.
2460
2461 2008-02-28 Akim Demaille <demaille@gostai.com>
2462
2463 * doc/bison.texinfo: Fix a few typos.
2464
2465 2008-02-28 Akim Demaille <akim@epita.fr>
2466
2467 * doc/bison.texinfo (Bison Options): Document -W.
2468 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
2469
2470 2008-02-28 Akim Demaille <akim@epita.fr>
2471
2472 * src/getargs.c (short_options): Split and sort for readability.
2473 -g and -x take optional arguments, just like their long options.
2474 * build-aux/cross-options.pl: Use /x to make the regexp easier to
2475 understand.
2476 Fix the handling of $opt which resulted in all the argument to be
2477 considered as optional.
2478
2479 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
2480
2481 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
2482 say its interface is experimental.
2483 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2484 Java.
2485 (Bison Options): In the -L and --language entry, mention Java.
2486 (Java Bison Interface): Say the interface is experimental.
2487 * src/getargs.c (usage): Mention -L and --language.
2488
2489 * NEWS (2.3a+): Say the push parsing interface is experimental.
2490 * doc/bison.texinfo (Push Decl): Likewise.
2491 (Decl Summary): Likewise in the "%define api.push_pull" entry.
2492 (Push Parser Function): Likewise.
2493 (Pull Parser Function): Likewise.
2494 (Parser Create Function): Likewise.
2495 (Parser Delete Function): Likewise.
2496 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
2497 yypull_parse, and yypush_parse entries.
2498
2499 * NEWS (2.3a+): Mention XML support, and say the schema is
2500 experimental.
2501 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
2502 * src/getargs.c (usage): Say the XML schema is experimental.
2503
2504 * NEWS (2.3a+): Say option instead of flag.
2505
2506 2008-02-21 Wojciech Polak <polak@gnu.org>
2507
2508 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
2509 text.
2510
2511 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
2512
2513 Fix impure push parser compile error reported by Bob Rossi at
2514 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
2515 * data/yacc.c: Clean up whitespace in the output a little.
2516 (yypstate_allocated): Define for impure push parsers regardless of
2517 whether the pull interface is also requested.
2518 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
2519 check impure push parsers without the pull interface.
2520
2521 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
2522 yyerror takes arguments specified by %parse-param while yypstate_new
2523 does not.
2524 * doc/bison.texinfo (Parser Create Function): Document that
2525 yypstate_new returns 0 for multiple impure parser instances.
2526 * tests/push.at (Push Parsing: Multiple impure instances): Update
2527 expected stderr output.
2528
2529 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2530
2531 * runtime-po/POTFILES.in (push.c): Remove.
2532
2533 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2534
2535 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
2536 * data/push.c: Rename to...
2537 * data/yacc.c: ... this, overwriting it.
2538 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
2539 `%push-pull-parser' -> `%define api.push_pull "both"'.
2540 Remove old yacc.c tests, and update push.c tests to yacc.c.
2541
2542 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2543
2544 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
2545 `"%code top" blocks' instead of `%code "top" blocks'.
2546 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
2547 Clean up whitespace in the output a little.
2548
2549 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2550
2551 Fix documentation problems reported by Tim Josling at
2552 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
2553 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
2554 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
2555 integers. Explain the effect of literal string aliases on error
2556 messages. Copy token 0 documentation from the C++ skeleton
2557 documentation.
2558
2559 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2560
2561 Accept a token number in a %left, %right, or %nonassoc for POSIX
2562 conformance. Reported by Tim Josling at
2563 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
2564 * NEWS (2.3a+): Mention.
2565 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
2566 and code numbers are treated by precedence declarations.
2567 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
2568 of symbols.1.
2569 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
2570 of symbol.
2571 (symbol.prec): New, just like symbol but allows INT.
2572 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
2573 longer holds.
2574 * tests/regression.at (Token number in precedence declaration): New
2575 test case.
2576
2577 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2578
2579 DJGPP specific issues.
2580 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
2581 be changed. Copyright timestamp adjusted.
2582 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
2583 be changed. Copyright timestamp adjusted.
2584 * djgpp/config.site: Copyright timestamp adjusted.
2585 * djgpp/config_h.sed: Copyright timestamp adjusted.
2586 * djgpp/djunpack.bat: Copyright timestamp adjusted.
2587 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
2588 filename translation list.
2589 * djgpp/subpipe.c (init_subpipe): Check the environment variables
2590 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
2591 files shall be created. Before trying to use the temp dir where the
2592 environment variable points to check that the dir really exists. If
2593 not default to the cwd as temp dir. Copyright timestamp adjusted.
2594 * djgpp/subpipe.h: Copyright timestamp adjusted.
2595 * djgpp/testsuite.sed: Copyright timestamp adjusted.
2596
2597 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
2598
2599 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
2600
2601 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
2602
2603 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
2604 Problem reported by Claudio Saavedra in
2605 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
2606
2607 2008-01-05 Wojciech Polak <polak@gnu.org>
2608
2609 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
2610 document's title with the input grammar file name.
2611
2612 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
2613
2614 Automate regression testing of the XML/XSLT implementation. Discussed
2615 starting at
2616 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
2617 * configure.ac (XSLTPROC): New substitution.
2618 * Makefile.am (maintainer-xml-check): New phony target invoking...
2619 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
2620 invoking make maintainer-check with BISON_TEST_XML=1.
2621 * tests/atlocal.in (XSLTPROC): New.
2622 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
2623 not to report reachable memory when Bison is expected to have a
2624 non-zero exit status and (2) to compare XML/XSLT output with --graph
2625 and --report=all output for every working grammar when
2626 BISON_TEST_XML=1.
2627 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
2628 (AT_BISON_CHECK_XML): New.
2629 (AT_QUELL_VALGRIND): New.
2630 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
2631 (AT_CHECK): ... don't redefine this since this was the old way to
2632 quell Valgrind.
2633 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
2634 AT_BISON_CHECK invocations.
2635 * tests/c++.at: Likewise.
2636 * tests/calc.at: Likewise.
2637 * tests/conflicts.at: Likewise.
2638 * tests/cxx-type.at: Likewise.
2639 * tests/existing.at: Likewise.
2640 * tests/glr-regression.at: Likewise.
2641 * tests/headers.at: Likewise.
2642 * tests/input.at: Likewise.
2643 * tests/java.at: Likewise.
2644 * tests/output.at: Likewise.
2645 * tests/push.at: Likewise.
2646 * tests/reduce.at: Likewise.
2647 * tests/regression.at: Likewise.
2648 * tests/sets.at: Likewise.
2649 * tests/skeletons.at: Likewise.
2650 * tests/synclines.at: Likewise.
2651 * tests/torture.at: Likewise.
2652 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
2653 tends to hang xsltproc.
2654 (Big horizontal): Likewise.
2655
2656 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2657
2658 In XML output, remove redundant class attribute on symbol element.
2659 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
2660 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
2661 look up a symbol to determine whether it's a nonterminal or terminal.
2662 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
2663 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
2664
2665 Add prec/assoc information to XML output.
2666 * src/gram.c (grammar_rules_print_xml): For each rule that has a
2667 %prec, add a percent_prec attribute.
2668 * src/print-xml.c (print_grammar): For each terminal that has a
2669 precedence or associativity, add a prec or assoc attribute.
2670 (xml_indent): New.
2671 (xml_puts): Use xml_indent.
2672 (xml_printf): Use xml_indent.
2673 * src/print-xml.h (xml_indent): Prototype.
2674
2675 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
2676 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
2677
2678 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2679
2680 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
2681 (bison:ruleByNumber): ... this for clarity.
2682 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
2683 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
2684 (xsl:template match="reduction"): Update.
2685 (xsl:template match="item"): Update.
2686 (xsl:template match="reduction"): Update.
2687
2688 In the XML output, don't print the list of rules where symbols appear.
2689 Compute it in XSLT instead. Discussed at
2690 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
2691 * data/xslt/bison.xsl (bison:ruleByLhs): New.
2692 (bison:ruleByRhs): New.
2693 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
2694 bison:ruleByRhs.
2695 (xsl:template match="terminal/rule"): Remove.
2696 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2697 bison:ruleByRhs.
2698 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2699 Remove.
2700 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
2701 bison:ruleByRhs and mode="number-link" for rule template.
2702 (xsl:template match="terminal/rule"): Remove.
2703 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2704 bison:ruleByRhs and mode="number-link" for rule template.
2705 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2706 Rewrite as...
2707 (xsl:template match="rule" mode="number-link"): ... this.
2708 * src/print-xml.c (print_grammar): Don't print the list of rules.
2709
2710 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2711
2712 Don't let --report affect XML output; always print all information.
2713 Discussed at
2714 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
2715 * src/conflicts.c (log_resolution): Implement.
2716 * src/print-xml.c (print_core): Implement.
2717 (print_state): Implement.
2718 (print_xml): Implement.
2719
2720 * NEWS (2.3a+): Fix quotes.
2721 * src/parse-gram.y (prologue_declaration): For consistency with -v,
2722 don't let %verbose clear the list specified by --report.
2723
2724 2007-11-26 Akim Demaille <akim@epita.fr>
2725
2726 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
2727
2728 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
2729
2730 In the XML output, list useless and unused symbols and rules with the
2731 useful ones and add a "usefulness" attribute. Discussed starting at
2732 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
2733 * src/gram.c (grammar_rules_partial_print_xml): Remove.
2734 (grammar_rules_print_xml): Print all rules instead of just those
2735 useful in the grammar, and add a "usefulness" attribute.
2736 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
2737 * src/print-xml.c (print_rules_useless_in_parser): Remove.
2738 (print_grammar): Print all nonterminals instead of just useful ones,
2739 and add a "usefulness" attribute to nonterminals and terminals.
2740 (print_xml): Don't print a separate "reductions" or
2741 "rules-useless-in-parser" element.
2742 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
2743 (reduce_xml): Remove.
2744 (reduce_token_unused_in_grammar): New.
2745 (reduce_nonterminal_useless_in_grammar): New.
2746 * src/reduce.h (reduce_xml): Remove prototype.
2747 (reduce_token_unused_in_grammar): Add prototype.
2748 (reduce_nonterminal_useless_in_grammar): Add prototype.
2749 * data/xslt/xml2text.xsl: Update for XML changes.
2750 * data/xslt/xml2xhtml.xsl: Update for XML changes.
2751 * tests/reduce.at (Useless Terminals): Update output.
2752 (Useless Rules): Update output.
2753 (Reduced Automaton): Update output.
2754
2755 Say "Terminals unused in grammar" instead of "Unused terminals".
2756 * NEWS (2.3a+): Update.
2757 * doc/bison.texinfo (Understanding): Update example output.
2758 * src/reduce.c (reduce_output): Implement.
2759 * data/xslt/xml2text.xsl: Implement.
2760 * data/xslt/xml2xhtml.xsl: Implement.
2761
2762 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2763
2764 Accept --report-file=FILE to override the default `.output' filename.
2765 * NEWS (2.3a+): Mention.
2766 * doc/bison.texinfo (Bison Options): Add an entry.
2767 * src/files.c (compute_output_file_names): Don't override
2768 spec_verbose_file if already set.
2769 * src/getargs.c (usage): Document --report-file.
2770 (REPORT_FILE_OPTION): New anonymous enum member.
2771 (long_options): Add entry for it.
2772 (getargs): Add case for it setting spec_verbose_file.
2773
2774 * build-aux/cross-options.pl: Don't record a short option just because
2775 there's an arg.
2776 * doc/.cvsignore: Add yacc.1.
2777
2778 2007-11-14 Akim Demaille <akim@epita.fr>
2779
2780 * doc/yacc.1.in: New.
2781 * configure.ac, doc/Makefile.am: Adjust.
2782 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
2783 config.h symbol.
2784 Use AC_SUBST for assignments too.
2785 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
2786
2787 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2788
2789 * src/gram.c: Remove comments that duplicate comments in gram.h.
2790
2791 When reporting useless rules and nonterminals, say "useless in grammar"
2792 instead of "useless", and say "useless in parser" instead of "never
2793 reduced". Discussed starting at
2794 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
2795 * NEWS (2.3a+): Mention this change.
2796 * data/xslt/xml2text.xsl: Update output text and expected input XML
2797 element names to match changes below.
2798 * data/xslt/xml2xhtml.xsl: Likewise.
2799 (xsl:template match="bison-xml-report"): Add missing entry in Table of
2800 Contents: "Rules useless in parser due to conflicts".
2801 * doc/bison.texinfo (Decl Summary): Reword a little.
2802 (Understanding): Update example output for changes below.
2803 * src/gram.c: (rule_useful_p): Rename to...
2804 (rule_useful_in_grammar_p): ... this.
2805 (rule_useless_p): Rename to...
2806 (rule_useless_in_grammar_p): ... this.
2807 (rule_never_reduced_p): Rename to...
2808 (rule_useless_in_parser_p): ... this.
2809 (grammar_rules_print): Update for renames.
2810 (grammar_rules_print_xml): Update for renames.
2811 (grammar_rules_never_reduced_report): Rename to...
2812 (grammar_rules_useless_report): ... this since it is used for either
2813 kind of useless rule.
2814 * src/gram.h: Reword comments and update function names in prototypes.
2815 * src/main.c (main): Say "rule useless in parser due to conflicts".
2816 * src/print-xml.c (print_rules_never_reduced): Rename to...
2817 (print_rules_useless_in_parser): ... this, and rename output XML
2818 element "rules-never-reduced" to "rules-useless-in-parser".
2819 (print_xml): Update for rename.
2820 * src/print.c (print_results): Say "Rules useless in parser due to
2821 conflicts".
2822 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
2823 (nonterminals_reduce): Say "nonterminal useless in grammar".
2824 (reduce_output): Say "Nonterminals useless in grammar".
2825 Say "Rules useless in grammar".
2826 (reduce_xml): Rename output XML element "useless" to
2827 "useless-in-grammar".
2828 (reduce_print): Don't report the count of grammatically useless rules
2829 as "rules never reduced" just because %yacc is specified.
2830 In the correct report of this count, say nonterminal(s) and rule(s)
2831 "useless in grammar".
2832 * tests/conflicts.at (S/R in initial): Update expected output.
2833 (Defaulted Conflicted Reduction): Likewise.
2834 (Unreachable States After Conflict Resolution): Likewise.
2835 * tests/existing.at (GNU pic Grammar): Likewise.
2836 * tests/reduce.at (Useless Nonterminals): Likewise.
2837 (Useless Rules): Likewise.
2838 (Reduced Automaton): Likewise.
2839 (Underivable Rules): Likewise.
2840 (Empty Language): Likewise.
2841
2842 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2843
2844 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
2845 here document and before the EOF so that BSD's implementation of Bourne
2846 shell doesn't parse the delimiter as part of the here document.
2847 * doc/.cvsignore: Add cross-options.texi.
2848 * src/getargs.c (usage): Add a blank line after the warning categories.
2849
2850 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
2851
2852 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
2853
2854 2007-11-05 Akim Demaille <akim@epita.fr>
2855
2856 Remove Id: from bison.1.
2857 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
2858 (perl -0777 -pi -e 's/\.PP\nId): New.
2859 (.x.1): Use it to ignore the version control revision.
2860
2861 2007-11-05 Akim Demaille <demaille@gostai.com>
2862
2863 * build-aux/Makefile.am: Ship cross-options.pl.
2864 * doc/Makefile.am: Always refer to cross-options.texi with
2865 $(srcdir).
2866 (MAINTAINERCLEANFILES): Add it.
2867
2868 2007-11-04 Akim Demaille <demaille@gostai.com>
2869
2870 Generate the long/short option cross-table.
2871 * build-aux/cross-options.pl: New.
2872 * doc/Makefile.am (cross-options.texi): New.
2873 * doc/bison.texinfo: Use it.
2874
2875 2007-11-04 Akim Demaille <demaille@gostai.com>
2876
2877 Generate bison.1 using help2man.
2878 * doc/common.x, doc/bison.x: New.
2879 * doc/Makefile.am (bison.1, .x.1): New.
2880 The code is taken from autoconf-2.61/man/Makefile.am.
2881 * configure.ac: Look for help2man.
2882
2883 2007-11-04 Akim Demaille <demaille@gostai.com>
2884
2885 Complete --help.
2886 * src/getargs.c (usage): Document -W, make it clear that -d,
2887 -g and -x have optional arguments.
2888
2889 2007-11-04 Akim Demaille <demaille@gostai.com>
2890
2891 Find sha1sum when named gsha1sum.
2892 * bootstrap (find_tool): New.
2893 ($SHA1SUM): New.
2894
2895 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2896
2897 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
2898 at
2899 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
2900 * NEWS (2.3a+): Mention.
2901 * data/bison.m4 (b4_pure_if): Don't define it here.
2902 * data/c.m4 (b4_identification): Depend on individual skeletons to
2903 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
2904 values of the %define variables api.pure or api.push_pull. Define
2905 YYPURE, YYPUSH, and YYPULL accordingly.
2906 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
2907 glr.cc has already defined b4_pure_flag.
2908 * data/push.c: Define b4_pure_if based on `%define api.pure'.
2909 Remove YYPUSH and YYPULL since they're back in b4_identification again.
2910 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
2911 * doc/bison.texinfo (Pure Decl): Update.
2912 (Push Decl): Update.
2913 (Decl Summary): Add api.pure to %define entry.
2914 In %pure-parser entry, say it's deprecated and reference %define.
2915 (Pure Calling): Update.
2916 (Error Reporting): Update.
2917 (C++ Scanner Interface): Update.
2918 (How Can I Reset the Parser): Update.
2919 (Table of Symbols): In %pure-parser entry, say it's deprecated and
2920 reference %define.
2921 * src/getargs.c (pure_parser): Remove global variable.
2922 * src/getargs.h (pure_parser): Remove extern.
2923 * src/output.c (prepare): Don't define pure_flag muscle.
2924 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
2925 wrapper around `%define api.pure'.
2926 * tests/calc.at (Simple LALR Calculator): Update.
2927 (Simple GLR Calculator): Update.
2928 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
2929 Update.
2930 (GLR: Resolve ambiguity, pure, locations): Update.
2931 (GLR: Merge conflicting parses, pure, no locations): Update.
2932 (GLR: Merge conflicting parses, pure, locations): Update.
2933 * tests/glr-regression.at (Uninitialized location when reporting
2934 ambiguity): Update
2935 * tests/input.at (Unused %define api.pure): New test case.
2936 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
2937 AT_PURE_IF and AT_PURE_AND_LOC_IF.
2938 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
2939
2940 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2941
2942 %define push_pull -> %define api.push_pull. Discussed starting at
2943 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
2944 * data/push.c: Expect the new name.
2945 * data/yacc.c: Likewise.
2946 * doc/bison.texinfo (Push Decl): Update.
2947 (Decl Summary): Update %define entry.
2948 (Push Parser Function): Update.
2949 (Pull Parser Function): Update.
2950 (Parser Create Function): Update.
2951 (Parser Delete Function): Update.
2952 * tests/calc.at (Simple LALR Calculator): Update.
2953 * tests/input.at (%define enum variables): Update.
2954 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
2955 (Push Parsing: Multiple impure instances): Update.
2956 (Push Parsing: Unsupported Skeletons): Update.
2957 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
2958 (Exploding the Stack Size with Malloc): Update.
2959
2960 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
2961 other entries some.
2962
2963 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
2964
2965 For the XML output's terminal element, rename @number to @token-number,
2966 and add @symbol-number. In the nonterminal element, rename @number to
2967 @symbol-number. Discussed starting at
2968 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
2969 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
2970 renames.
2971 (xsl:template match="nonterminal"): Likewise.
2972 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
2973 (xsl:template match="nonterminal"): Likewise.
2974 * src/print-xml.c (print_grammar): Implement.
2975
2976 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2977
2978 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
2979 2007-10-11 change, the child elements here are items not rules.
2980 (xsl:template match="item"): New.
2981 (xsl:template match="rule"): Update for new reduced itemset.
2982 (xsl:template match="point"): Remove.
2983 (xsl:template match="empty"): For consistency with --graph, don't
2984 output "/* empty */".
2985 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
2986 line-wrap, don't pass a negative value as first-line-length since this
2987 won't work with the following changes.
2988 (xsl:template name="line-wrap"): Simplify slightly.
2989 (xsl:template name="ws-search"): Eliminate recursion.
2990 * src/print_graph.c (print_core): Don't print a reduction's lookahead
2991 set next to an item whose dot is not at the end of the RHS even if it
2992 happens to be associated with the same rule.
2993
2994 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
2995
2996 Add %define lr.keep_unreachable_states.
2997 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
2998 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
2999 * src/main.c (main): Implement it.
3000 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3001 Extend to test it, and fix a typo.
3002
3003 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3004
3005 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
3006 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
3007 the example .output text.
3008 * tests/regression.at (Extra lookahead sets in report): Improve wording
3009 of comments.
3010
3011 2007-10-17 Wojciech Polak <polak@gnu.org>
3012
3013 * src/print-xml.c (print_grammar): Renamed
3014 <terminal> and <nonterminal> attributes:
3015 "type" to "number" and "symbol" to "name".
3016 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
3017 Use new attribute names.
3018 (xsl:template match="nonterminal"): Likewise.
3019 * data/xslt/xml2xhtml.xsl: Likewise.
3020
3021 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
3022
3023 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
3024 (Option Cross Key): Likewise.
3025
3026 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
3027 next to an item whose dot is not at the end of the RHS even if it
3028 happens to be associated with the same rule.
3029 * src/print.c (print_core): Likewise.
3030 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
3031 (Resolved SR Conflicts): Update output.
3032 * tests/regression.at (Extra lookahead sets in report): New test case.
3033
3034 2007-10-11 Wojciech Polak <polak@gnu.org>
3035
3036 * src/print-xml.c (print_core): Remove item set
3037 redundancy.
3038 * data/xslt/bison.xsl (bison:ruleNumber): New key.
3039 Improve processing time. Suggested by Joel E. Denny.
3040 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
3041 Write xsl:param "required" attribute as comment.
3042 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
3043 (xsl:template match="rule"): Support new reduced itemset.
3044 (xsl:template match="point"): Remove.
3045 * data/xslt/xml2xhtml.xsl: Likewise.
3046
3047 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3048
3049 * src/getargs.c (version): Update copyright year.
3050
3051 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3052
3053 Make xml2dot.xsl and --graph produce the same output.
3054 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
3055 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
3056 escaped later.
3057 (xsl:template name="output-node"): Use the new escape template instead
3058 of the string-replace template directly.
3059 (xsl:template name="output-edge"): Likewise.
3060 (xsl:template name="escape"): New, escapes backslashes and newlines in
3061 addition to quotation marks.
3062 * src/graphviz.c (start_graph, output_node, output_edge): Add
3063 whitespace to output for legibility.
3064
3065 Make xml2text.xsl and --report produce the same output, and remove the
3066 XML "conflicts" element since a conflict summary is easily extracted
3067 from the automaton.
3068 * data/xslt/bison.xsl: New.
3069 (xsl:template match="state" mode="bison:count-conflicts): New.
3070 * data/xslt/xml2text.xsl: Import bison.xsl.
3071 (xsl:template match="bison-xml-report"): Instead of styling the
3072 "conflicts" element, style the "automaton" element with mode
3073 "conflicts". Unlike the former, the latter lists S/R and R/R
3074 conflicts for a state on the same line.
3075 (xsl:template match="conflicts"): Remove.
3076 (xsl:template match="conflict"): Remove.
3077 (xsl:template match="terminal"): Line-wrap the list of rules in which
3078 the terminal is used.
3079 (xsl:template match="nonterminal"): Likewise for nonterminals.
3080 (xsl:template match="automaton" mode="conflicts"): New.
3081 (xsl:template match="state" mode="conflicts"): New.
3082 (xsl:template name="line-wrap"): New.
3083 (xsl:template name="ws-search"): New.
3084 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
3085 (xsl:template match="bison-xml-report"): Instead of styling the
3086 "conflicts" element, style the "automaton" element with mode
3087 "conflicts."
3088 (xsl:template match="conflicts"): Remove.
3089 (xsl:template match="conflict"): Remove.
3090 (xsl:template match="automaton" mode="conflicts"): New.
3091 (xsl:template match="state" mode="conflicts): New.
3092 * src/conflicts.c (conflicts_output_xml): Remove.
3093 * src/conflicts.h (conflicts_output_xml): Remove prototype.
3094 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
3095 * src/print.c (print_grammar): Consistently wrap at the 66th column so
3096 the corresponding XSLT is easier. Also, never wrap between a word and
3097 the comma that follows it.
3098
3099 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3100
3101 Improve C++ namespace support. Discussed starting at
3102 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
3103 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
3104 b4_namespace_close): New macros that interpret the %define variable
3105 "namespace" so its value can contain "::" to indicate nested
3106 namespaces.
3107 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
3108 the above macros.
3109 * data/lalr1.cc (b4_namespace): Likewise.
3110 * data/location.cc (b4_namespace): Likewise.
3111 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
3112 inside a new table in the general %define entry. Document `%define
3113 namespace' there as well. Point the %name-prefix entry to it since it
3114 explains it more completely in the case of C++.
3115 (C++ Bison Interface): Mention `%define namespace' instead of
3116 %name-prefix.
3117 (Table of Symbols): Remove the `%define push_pull' entry. The %define
3118 entry suffices.
3119 * tests/c++.at (Relative namespace references): New test case.
3120 (Absolute namespace references): New test case.
3121 (Syntactically invalid namespace references): New test case.
3122 * tests/input.at (C++ namespace reference errors): New test case.
3123
3124 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3125
3126 Add syncline support and location accessor to internal %define
3127 interfaces.
3128 * data/bison.m4 (b4_percent_define_get_loc): New.
3129 (b4_percent_define_get_syncline): New.
3130 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
3131 (b4_percent_define_default): Record defining location as line 1 rather
3132 than 0 for the sake of synchronizing #line's, and define
3133 b4_percent_define_syncline(VARIABLE).
3134 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
3135 * src/muscle_tab.c (muscle_syncline_grow): New.
3136 (muscle_code_grow): Use muscle_syncline_grow.
3137 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
3138 define b4_percent_define_syncline(VARIABLE).
3139 (muscle_percent_define_get_loc): New.
3140 (muscle_percent_define_get_syncline): New.
3141 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
3142 remove some unused variables.
3143 (muscle_percent_define_default): Record defining location as line 1
3144 rather than 0 for the sake of synchronizing #line's, and define
3145 b4_percent_define_syncline(VARIABLE).
3146 (muscle_percent_define_check_values): Use
3147 muscle_percent_define_get_loc.
3148 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
3149 (muscle_percent_define_get_syncline): Prototype.
3150 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3151 defaults): Update output for location change.
3152 (Complaining during macro argument expansion): Extend to test
3153 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
3154
3155 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
3156
3157 Fix some error-reporting macro bugs.
3158 * data/bison.m4 (b4_cat): New.
3159 (b4_error, b4_error_at): Use b4_cat to send error directives directly
3160 to stdout so they don't become arguments to other macros. Update
3161 comments and add examples.
3162 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
3163 add examples.
3164 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
3165 after printing the error directive so that M4 doesn't report subsequent
3166 problems that are induced by this problem.
3167 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
3168 instead of just in them. Recognize @\n in both places. Both expand to
3169 the empty string. Needed by b4_cat.
3170 * tests/skeletons.at (Complaining during macro argument expansion):
3171 New test case.
3172 (Fatal errors make M4 exit immediately): New test case.
3173
3174 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
3175
3176 Implement --print-datadir.
3177 * src/getargs.c (usage): Mention.
3178 (PRINT_DATADIR_OPTION): New anonymous enum member.
3179 (long_options): Add entry for it.
3180 (getargs): Add case for it calling compute_pkgdatadir.
3181 * src/output.c (output_skeleton): Encapsulate data directory
3182 computation from here...
3183 (prepare): ... and from here...
3184 (compute_pkgdatadir): ... into this new function.
3185 * src/output.h (compute_pkgdatadir): Prototype.
3186
3187 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
3188
3189 * src/print-xml.c (escape_bufs): New static global variable
3190 replacing...
3191 (xml_escape_n): ... the static local variable buf here.
3192 (print_xml): Free memory for escape_bufs.
3193 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
3194
3195 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
3196
3197 Replace `%push-parser' and `%push-pull-parser' with
3198 `%define push_pull "push"' and `%define push_pull "both"'.
3199 `%define push_pull "pull"' is the default.
3200 * doc/bison.texinfo (Push Decl, Push Parser Function,
3201 Pull Parser Function, Parser Create Function, Parser Delete Function):
3202 Update declarations.
3203 (Decl Summary, Table of Symbols): Replace %push-parser and
3204 %push-pull-parser entries with a %define push_pull entry.
3205 * data/bison.m4 (b4_percent_define_check_values): New macro.
3206 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
3207 definitions...
3208 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
3209 definitions...
3210 * data/push.c: ... to here and compute them from the value of the
3211 %define variable push_pull.
3212 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
3213 parsing requests here...
3214 * data/yacc.c: ... hack this to switch to push.c any time
3215 b4_use_push_pull_flag or the %define variable push_pull is set. This
3216 will go away when we mv push.c yacc.c.
3217 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
3218 push parsing is not supported since unused %define variables are
3219 reported anyway.
3220 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
3221 * src/muscle_tab.h (muscle_percent_define_check_values): Update
3222 comments for consistency with b4_percent_define_check_values.
3223 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
3224 muscles.
3225 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
3226 Remove.
3227 (prologue_declaration): Remove %push-parser and %push-pull-parser
3228 rules.
3229 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
3230 * tests/calc.at: Update declarations.
3231 * tests/input.at (%define enum variables): New test case.
3232 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
3233 declaration.
3234 (Push Parsing: Multiple impure instances): Update declaration.
3235 (Push Parsing: Unsupported Skeletons): New test case.
3236 * tests/torture.at (Exploding the Stack Size with Alloca): Update
3237 declaration.
3238 (Exploding the Stack Size with Malloc): Update declaration.
3239
3240 2007-09-24 Wojciech Polak <polak@gnu.org>
3241
3242 Add XSLT transformations.
3243
3244 * data/xslt/xml2dot.xsl: Transform XML into DOT.
3245 * data/xslt/xml2text.xsl: Transform XML into plain text.
3246 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
3247 * data/Makefile.am (xsltdir): New variable.
3248 (dist_xslt_DATA): Add xslt/*.xsl files.
3249
3250 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
3251
3252 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
3253 Problem reported by Wojciech Polak.
3254 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
3255 (xml_printf): Undo change I made on 21 September; that is,
3256 indent 2 spaces, not 1.
3257
3258 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
3259
3260 Pacify ./configure --enable-gcc-warnings.
3261 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
3262 `char const *' instead of `char *'.
3263 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
3264 local variable `sep'.
3265
3266 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3267
3268 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
3269 elsewhere.
3270 * src/print-xml.c: Prefer "const" after types; that's more consistent.
3271 (xml_printf): Indent just 1 space for level.
3272 (e_char, xlate_char): Remove.
3273 (xml_escape_string): Rewrite to avoid undefined behavior (used
3274 storage that was freed from the stack).
3275 (xml_escape_n): Don't bother checking for subscript error.
3276
3277 2007-09-21 Wojciech Polak <polak@gnu.org>
3278
3279 Add Bison XML Automaton Report.
3280
3281 Add support for an -x option to generate an XML report.
3282 It is not documented yet.
3283 * src/print-xml.c: New file.
3284 * src/print-xml.h: Likewise.
3285 * lib/timevar.def (TV_XML): New var.
3286 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
3287 * src/conflicts.c: Include print-xml.h.
3288 (solved_conflicts_xml_obstack): New var.
3289 (log_resolution, conflicts_solve, conflicts_free):
3290 Add support for XML report.
3291 (conflicts_output_val): New function.
3292 * src/conflicts.h (conflicts_output_val): New decl.
3293 * src/files.c (spec_xml_file): New var.
3294 (compute_output_file_names, output_file_names_free): Add XML support.
3295 * src/files.h (spec_xml_file): New decl.
3296 * src/getargs.c (xml_flag): New var.
3297 (usage, short_options, long_options, getargs): Add XML support.
3298 * src/getargs.h (xml_flag): New decl.
3299 * src/gram.c: Include print-xml.h.
3300 (rule_lhs_print_xml, rule_rhs_print_xml):
3301 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
3302 New functions.
3303 * src/gram.h: Declare external ones.
3304 * src/main.c: Include print-xml.h.
3305 (main): Add XML support.
3306 * src/reduce.c: Include print-xml.h.
3307 (reduce_xml): New function.
3308 * src/reduce.h: Declare it.
3309 * src/state.c: Include print-xml.h.
3310 (state_new): Add XML support.
3311 (state_rule_lookahead_tokens_print_xml): New function.
3312 * src/state.h: Declare it.
3313 (struct state): New member solved_conflicts_xml.
3314 * src/symtab.c (symbol_class_get_string): New function.
3315 * src/symtab.h: Declare it.
3316
3317 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3318
3319 * GNUmakefile: Switch to coreutils's version.
3320 * bootstrap: Likewise.
3321 * Makefile.cfg: Adjust to new GNUmakefile.
3322 * README-hacking: Likewise.
3323
3324 Import from gnulib:
3325
3326 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
3327 Bruno Haible <bruno@clisp.org>
3328
3329 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
3330 and is a script that invokes bison. Tighten the code. Add comments.
3331
3332 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
3333
3334 Spell "boolean" as "Boolean". Reported by Akim Demaille.
3335 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
3336 * doc/bison.texinfo (Decl Summary): Fix.
3337 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
3338 * tests/input.at (Boolean %define variables): Update output.
3339 * tests/skeletons.at (%define boolean variables: invalid skeleton
3340 defaults): Rename to...
3341 (%define Boolean variables: invalid skeleton defaults): ... this and
3342 update output.
3343
3344 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
3345
3346 In impure push mode, don't allow more than one yypstate to be allocated
3347 since multiple impure parsers would corrupt yynerrs.
3348 * data/push.c (yypstate_allocated): New static global variable
3349 initialized to 0.
3350 (yypull_parse): If yypstate_new returns 0, don't report it as memory
3351 exhaustion if yypstate_allocated is 1, but still return 2.
3352 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
3353 already 1. Otherwise, set it to 1.
3354 (yypstate_delete): Set it to 0.
3355 * tests/push.at (Push Parsing: Multiple impure instances): New test
3356 case.
3357
3358 2007-08-17 Bob Rossi <bob@brasko.net>
3359
3360 * doc/bison.texinfo (Push Decl): Document the push parser.
3361 (Table of Symbols): Ditto.
3362 (Pure Decl): Ditto.
3363 (Decl Summary): Ditto.
3364 (Multiple Parsers, Push Parser Function, Pull Parser Function,
3365 Parser Create Function, Parser Delete Function):
3366 Add new push parser symbols.
3367 (Table of Symbols): Document push-parser, push-pull-parser,
3368 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
3369
3370 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
3371
3372 Update to GPLv3.
3373 * doc/gpl-3.0.texi: New file.
3374 * doc/gpl.texi: Remove.
3375 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
3376 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
3377 * README-hacking, TODO, bootstrap, bootstrap.conf:
3378 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
3379 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
3380 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
3381 * data/lalr1.cc, data/lalr1.java, data/location.cc:
3382 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
3383 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
3384 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
3385 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
3386 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
3387 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
3388 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
3389 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
3390 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
3391 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
3392 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
3393 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
3394 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
3395 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
3396 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
3397 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
3398 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
3399 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
3400 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
3401 * src/complain.c, src/complain.h, src/conflicts.c:
3402 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
3403 * src/files.h, src/flex-scanner.h, src/getargs.c:
3404 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
3405 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
3406 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
3407 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
3408 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
3409 * src/print.c, src/print.h, src/print_graph.c:
3410 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
3411 * src/reduce.h, src/relation.c, src/relation.h:
3412 * src/revision.h, src/scan-code.h, src/scan-code.l:
3413 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
3414 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
3415 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
3416 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
3417 * tests/Makefile.am, tests/actions.at, tests/c++.at:
3418 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
3419 * tests/existing.at, tests/glr-regression.at:
3420 * tests/headers.at, tests/input.at, tests/java.at:
3421 * tests/local.at, tests/output.at, tests/push.at:
3422 * tests/reduce.at, tests/regression.at, tests/sets.at:
3423 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
3424 * tests/torture.at:
3425 Update to GPLv3.
3426
3427 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3428
3429 Get rid of broken %no-parser, -n, and --no-parser implementation and
3430 documentation.
3431 * TODO: Don't mention them.
3432 * doc/bison.1: Likewise.
3433 * doc/bison.texinfo (Decl Summary): Likewise.
3434 (Bison Options): Likewise.
3435 (Option Cross Key): Likewise.
3436 * src/getargs.c (no_parser_flag): Remove global variable.
3437 (usage): Don't print description of -n and --no-parser.
3438 (long_options): Remove --no-parser entry here.
3439 (getargs): Remove -n case in the switch here.
3440 * src/getargs.h (no_parser_flag): Remove extern.
3441 * tests/regression.at (Web2c Actions): Remove comment that mentions
3442 --no-parser.
3443
3444 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3445
3446 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
3447 name user variables starting with `yy'. Just pass NULL instead of a
3448 dummy local &yylval to yypush_parse.
3449 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
3450 starting with `yy'.
3451
3452 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
3453
3454 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
3455 true since it's then always used regardless of whether yyoverflow is
3456 defined. Reported by Christian Burger at
3457 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
3458 * THANKS: Add Christian Burger.
3459
3460 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3461 node names: say "Decl Summary" not "Bison Declaration Summary".
3462
3463 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
3464
3465 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
3466 determine whether this function has already complained about an invalid
3467 value for a %define boolean variable, don't check whether Bison has
3468 ever examined the value. As written, the check was a tautology.
3469 Instead, record and check for this complaint using a separate muscle.
3470
3471 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3472
3473 Fix push parsing memory leak reported by Brandon Lucia at
3474 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
3475 * THANKS: Add Brandon Lucia.
3476 * data/push.c (yypstate_delete): Free the stack if it was reallocated
3477 but the parse never completed and thus freed it.
3478 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
3479 * tests/testsuite.at: Include push.at.
3480 * test/push.at: New.
3481 (Push Parsing: Memory Leak for Early Deletion): New test case.
3482
3483 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
3484
3485 Improve handling of multiple S/R conflicts in the same state and of S/R
3486 conflicts involving multiple reductions.
3487 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
3488 set for a state here or Bison will abort if it is reassigned on a
3489 later conflicted reduction in the same state.
3490 Similarly, don't finalize and assign the solved conflicts report here
3491 or it will be lost if it is reassigned on a later conflicted reduction
3492 in the same state.
3493 (set_conflicts): Instead, assign them both here after all S/R conflicts
3494 in the state have been fully examined.
3495 * src/print.c (shift_set): Rename to...
3496 (no_reduce_set): ... this.
3497 (print_reductions): Update for rename, and add %nonassoc error action
3498 tokens to no_reduce_set so that, when printing the first remaining
3499 reduction on an error action token, the reduction is enclosed in
3500 brackets.
3501 (print_results): Update for rename.
3502 * tests/conflicts.at (Solved conflicts report for multiple reductions
3503 in a state): New test case.
3504 (%nonassoc error actions for multiple reductions in a state): New test
3505 case.
3506
3507 * src/main.c (main): Don't depend on C99 features.
3508
3509 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3510
3511 * build-aux/.cvsignore: Add compile.
3512 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
3513 uniwidth.
3514
3515 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
3516
3517 * bootstrap (slurp): Create target directories that don't exist.
3518 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
3519
3520 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3521
3522 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
3523 than item number.
3524 * closure.c (closure): Likewise.
3525 * state.h (reductions): Comment sorting of rules.
3526 (state): Comment sorting of items.
3527
3528 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
3529
3530 Fix C++ test cases after recent Gnulib changes. Discussed starting at
3531 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
3532 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
3533 definition in order to avoid Gnulib headers since we don't use config.h
3534 here.
3535 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
3536 rather than AT_DATA so that config.h is included.
3537
3538 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
3539
3540 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
3541 instead of fprintf. Guard these functions with #if YYDEBUG instead of
3542 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
3543 and so that YYFPRINTF is guaranteed to be defined here.
3544
3545 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3546
3547 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
3548 with...
3549 (muscle_percent_define_check_values): ... this more helpful function.
3550 Again, it's not used yet, but it will be.
3551 * src/muscle_tab.h: Likewise.
3552
3553 Improve some comments in parser table construction.
3554 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
3555 (generate_states): Don't mention ruleset, which is internal to closure.
3556 * src/closure.c (closure): Explain sorting of core and itemset, which
3557 is required for this function to behave correctly.
3558 * src/closure.h (closure): Mention sorting.
3559
3560 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
3561
3562 * src/lalr.c (state_lookahead_tokens_count): For code readability,
3563 move the check for disabled transitions to an aver since conflict
3564 resolution hasn't happened yet.
3565
3566 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
3567 labels a state as inconsistent just because it has error transitions.
3568 The original form of this check appeared in revision 1.1 of lalr.c,
3569 which was committed on 1991-12-21. Now (at least), changing the
3570 consistency label on such a state appears to have no useful effect in
3571 any of the places it is examined, which I enumerate below. The key
3572 point to understanding each item in this enumeration is that a state
3573 with an error transition is labelled consistent in the first place only
3574 if it has no rules, so the check cannot matter for states that have
3575 rules. (1) Labelling a state as inconsistent will cause set_conflicts
3576 to try to identify its conflicts, and a state must have *rules* to have
3577 conflicts. (2) Labelling a state as inconsistent will affect how
3578 action_row sets the default *rule* for the state. (3) Labelling a
3579 state as inconsistent will cause build_relations to add lookback edges
3580 to *rules* in that state.
3581 * src/state.h (struct state): Word the comment for member consistent
3582 more carefully.
3583
3584 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3585
3586 Don't depend on C99 features.
3587 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
3588 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
3589 * src/reader.c (check_and_convert_grammar): Fix for-loop.
3590 * src/state.c (state_mark_reachable_states): Fix for-loop.
3591 (state_remove_unreachable_states): Fix for-loop.
3592
3593 Don't widen struct state with member reachable just to temporarily
3594 record reachability. Instead, use a local bitset.
3595 * src/state.h (struct state): Remove member.
3596 * src/state.c (state_new): Don't initialize it.
3597 (state_mark_reachable_states): Rename to...
3598 (state_record_reachable_states): ... this, and use bitset.
3599 (state_remove_unreachable_states): Use bitset.
3600
3601 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
3602
3603 * src/Makefile.am (yacc): Quote target action commands properly so
3604 that the yacc script isn't corrupt. Reported by Hans Aberg at
3605 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
3606
3607 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
3608 the case of pure parsers. Reported by Frans Englich at
3609 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
3610 * THANKS: Add Frans Englich.
3611
3612 * NEWS (2.3a+): In the %code entry, reference section `Bison
3613 Declaration Summary' from the manual now since the %code summary has
3614 moved there.
3615 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
3616 in the rules section must be terminated by semicolons.
3617
3618 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
3619
3620 Extend the front-end API for %define variables to more completely
3621 mirror the back-end. This will be useful in the future.
3622 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
3623 Update comments to mention the new front-end counterparts of these
3624 macros.
3625 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
3626 for muscle_string_decode and muscle_location_decode.
3627 (muscle_string_decode): New static function.
3628 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
3629 (muscle_percent_define_get, muscle_percent_define_ifdef): New
3630 functions.
3631 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
3632 muscle_percent_define_get to mimic the b4_percent_define_flag_if
3633 implementation more closely.
3634 (muscle_percent_define_invalid_value): New function.
3635 * src/muscle_tab.h (muscle_percent_define_get,
3636 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
3637 Prototype.
3638
3639 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3640
3641 * NEWS (2.3a+): Mention yesterday's state-removal change.
3642 (2.3a): Remove the %language entry, which was added after 2.3a.
3643 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
3644 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
3645 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
3646 tests/existing.at: Update copyright date.
3647
3648 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3649
3650 If conflict resolution makes states unreachable, remove those states,
3651 report rules that are then unused, and don't report conflicts in those
3652 states.
3653 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
3654 New global function.
3655 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
3656 function.
3657 * src/main.c (main): After conflict resolution, remove the unreachable
3658 states and update all data structures that reference states by number.
3659 * src/state.c (state_new): Initialize each state's reachable member to
3660 false.
3661 (state_mark_reachable_states): New static function.
3662 (state_remove_unreachable_states): New global function.
3663 * src/state.h (struct state): Add member bool reachable.
3664 (state_remove_unreachable_states): Prototype.
3665 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3666 New test case.
3667 * tests/existing.at (GNU pic Grammar): Update test case output now that
3668 an unused rule is discovered.
3669
3670 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3671
3672 Minor code cleanup in parser table construction.
3673 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
3674 (new_itemsets, save_reductions): Update for rename to nitemset.
3675 * src/closure.c (nritemset): Rename to...
3676 (nitemset): ... this since the "r" appears to meaningless and isn't
3677 used in the comments.
3678 (closure): Update for rename.
3679 * src/closure.h (nritemset): Update extern to...
3680 (nitemset): ... this.
3681 * src/lalr.c (LA): Fix a typo in comments.
3682 * src/print.c (print_core): Update for rename to nitemset.
3683 * src/print_graph.c (print_graph): Likewise.
3684 * src/state.h: Fix some typos in header comments.
3685
3686 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
3687
3688 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
3689 still sticks to ASCII. Sorry!
3690
3691 * README-hacking: New file, taken mostly from coreutils, with changes
3692 for Bison. Contains much of the contents of:
3693 * README-cvs: Remove.
3694 * bootstrap: Sync from gnulib.
3695 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
3696 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
3697
3698 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
3699
3700 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
3701 Setzer.
3702 (Java Differences): Fix some typos.
3703 * THANKS: Add Sebastian Setzer.
3704
3705 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
3706
3707 * data/java.m4 (b4_single_class_if): Remove.
3708 (b4_abstract_if): Look at "%define abstract".
3709 (b4_lexer_if): New.
3710 (b4_union_name): Rename...
3711 (b4_yystype): ... to this. Map to "%define stype".
3712 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
3713 b4_maybe_throws): Fix quoting.
3714 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
3715 * data/lalr1.java (Lexer interface): Always define.
3716 (Lexer interface within parser class): Remove.
3717 (YYLexer class): New, used when "%code lexer" is present.
3718 (constructor): When "%code lexer" is used, pass %lex-param
3719 to the lexer constructor.
3720 (yylex, yyparse): Remove %lex-param from method invocations
3721 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
3722
3723 * doc/bison.texinfo (Java Bison Interface): Mention "%define
3724 abstract". Rename "%define union_name" to "%define stype".
3725 Rename method names according to previous patch.
3726 (Java Scanner Interface): Describe "%code lexer" instead of
3727 "%pure-parser" and "%define single_class".
3728 (Java Differences): Mention "%code lexer".
3729
3730 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
3731 Include scanner here, using macros from tests/local.at.
3732 (AT_DATA_CALC_Y): Remove final argument.
3733 (_AT_CHECK_JAVA_CALC): Likewise.
3734 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
3735 of %locations and %error-verbose.
3736 (main): Test with and without %lex-param.
3737 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
3738 (AT_BISON_OPTION_POPDEFS): Pop it.
3739
3740 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3741
3742 DJGPP spefic issue. Inhibit the use of disallowed characters for
3743 file name genertion on Win98, WinXP, etc. These are |<>":?*\
3744 and concern testsuite case 46.
3745 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
3746 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
3747 * djgpp/config.bat: Inhibit the use of disallowed characters.
3748
3749 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
3750
3751 Miscellaneous %define and %code cleanup.
3752 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
3753 values are interpreted.
3754 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
3755 documentation a little more.
3756 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
3757 muscle_percent_define_insert, muscle_percent_code_grow): New
3758 functions/macros.
3759 * src/muscle_tab.h (muscle_percent_define_insert,
3760 muscle_percent_code_grow): Prototype.
3761 * src/parse-gram.y (prologue_declaration): Use
3762 muscle_percent_define_insert and muscle_percent_code_grow when parsing
3763 %define and %code directives.
3764
3765 Make it easy to share %define boolean variables between the front-end
3766 and back-end. Though not used yet, this will be useful in the future.
3767 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
3768 Bison uses of names rather than just skeleton uses of names.
3769 (b4_percent_define_get, b4_percent_define_ifdef): Rename
3770 b4_percent_define_skeleton_variables(VARIABLE) to
3771 b4_percent_define_bison_variables(VARIABLE).
3772 (b4_percent_code_get, b4_percent_code_ifdef): Rename
3773 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
3774 b4_percent_code_bison_qualifiers(QUALIFIER).
3775 (b4_check_user_names_wrap): Update for renames.
3776 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
3777 muscle_percent_define_default): New functions mimicking
3778 b4_percent_define_flag_if and b4_percent_define_default.
3779
3780 For %define variables, report locations for invalid values and
3781 redefinitions.
3782 * data/bison.m4 (b4_percent_define_flag_if): Read
3783 b4_percent_define_loc(VARIABLE) to report the location of an invalid
3784 value for VARIABLE.
3785 (b4_percent_define_default): Save a special location in
3786 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
3787 must later be reported as invalid.
3788 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
3789 functions.
3790 (muscle_percent_define_insert): Record the location of VARIABLE in
3791 muscle percent_define_loc(VARIABLE), and use it to report the previous
3792 location for a redefinition.
3793 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
3794 (muscle_percent_define_default): Update like b4_percent_define_default.
3795 (muscle_grow_user_name_list): Rename to...
3796 (muscle_user_name_list_grow): ... this for consistency and use
3797 muscle_location_grow.
3798 * src/muscle_tab.h (muscle_location_grow): Prototype.
3799 * tests/input.at (%define errors): Update expected output.
3800 * tests/skeletons.at (%define boolean variables: invalid skeleton
3801 defaults): New test case.
3802
3803 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
3804
3805 * src/print.c (lookahead_set, state_default_rule): Remove.
3806 (print_reductions): Replace state_default_rule invocation with
3807 equivalent use of yydefact, which was computed in token_actions in
3808 tables.c.
3809 (print_results): Don't allocate lookahead_set.
3810
3811 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
3812
3813 * data/lalr1.java: Prefix all private members with yy.
3814
3815 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
3816
3817 Use YYFPRINTF instead of fprintf where appropriate. Reported by
3818 Sebastien Fricker at
3819 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
3820 * THANKS: Add Sebastien Fricker.
3821 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
3822 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
3823 accept a variable number of arguments.
3824
3825 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3826
3827 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
3828
3829 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3830
3831 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
3832 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
3833 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
3834
3835 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
3836
3837 Undo my 2007-02-07 change, switching back to the c-strcase module
3838 introduced in the 2007-02-03 change. Bruno Haible reported that
3839 the 2007-02-07 change would be dangerous in Turkish if we add a
3840 language whose name contains "i", since "i" is not lowercase "I"
3841 in Turkish.
3842 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
3843 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
3844 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
3845 * m4/.cvsignore: Remove strcase.m4.
3846 * src/getargs.c: Revert 2007-02-07 change, as follows.
3847 Include c-strcase.h.
3848 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
3849
3850 2007-02-11 Bruno Haible <bruno@clisp.org>
3851
3852 Enable the Java related testsuite tests when the only Java compiler
3853 found is a gcj < 4.3. Discussed at
3854 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
3855 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
3856
3857 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
3858
3859 * data/Makefile.am: Update copyright date.
3860 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
3861 yypstate_new returns NULL.
3862 (yypstate_new): Return NULL if malloc does.
3863 * src/reader.c (packgram): Move translation of rule actions from the
3864 beginning of packgram to...
3865 (check_and_convert_grammar): ... here right before packgram is invoked
3866 so it's easier to write more complete comments, and remove redundant
3867 code.
3868
3869 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
3870
3871 As in semantic actions, make @$ in %initial-action, %destructor, and
3872 %printer imply %locations.
3873 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
3874 scanning @$.
3875 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
3876 (@$ in %initial-action implies %locations,
3877 @$ in %destructor implies %locations,
3878 @$ in %printer implies %locations): ... these new test cases.
3879
3880 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
3881
3882 Undo most of the 2007-02-03 change, switching to the strcase module
3883 now that gnulib strcase has been fixed.
3884 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
3885 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
3886 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
3887 * m4/.cvsignore: Add strcase.m4.
3888 * src/getargs.c: Revert 2007-02-03 change, as follows.
3889 Don't include c-strcase.h.
3890 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
3891 strcasecmp has "unspecified behavior" outside the POSIX locale,
3892 but it works fine in practice if at least one argument is ASCII,
3893 as is the case in Bison.
3894
3895 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
3896
3897 * tests/java.at: Skip tests if only one of javac/java is present.
3898 Reported by Joel E. Denny.
3899 * tests/atlocal.in: Adjust copyright years.
3900
3901 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
3902
3903 * data/lalr1.java (Stack): Work around old verifiers that disallow
3904 access to the private fields of an inner class, from the outer class.
3905 We can make Stack's fields public because user code doesn't have access
3906 to the instance of Stack used by parse(). Reported by Paul Eggert.
3907
3908 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
3909
3910 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
3911 the right spot for these files?
3912 * bootstrap.conf (gnulib_modules): Add c-strcase.
3913 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
3914 c-strncasecmp.c.
3915 * src/getargs.c: Include c-strcase.h.
3916 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
3917 to avoid unspecified behavior.
3918
3919 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
3920
3921 * doc/bison.texinfo (Decl Summary): Correct typo.
3922
3923 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
3924
3925 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
3926 Complain if the value does not match empty, "true" or "false".
3927 * data/c++.m4: Adjust default definitions of %define variables.
3928 * data/java.m4: Adjust default definitions of %define variables.
3929 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
3930 to above behavior.
3931 * tests/input.at (Boolean %define variables): Test new behavior.
3932
3933 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
3934
3935 * NEWS: Mention java.
3936 * TODO: Remove things that are done.
3937 * bootstrap.conf: Add javacomp-script and javaexec-script.
3938 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
3939
3940 * data/Makefile.am: Add new files.
3941 * data/java-skel.m4: New.
3942 * data/java.m4: New.
3943 * data/lalr1.java: New.
3944
3945 * doc/bison.texinfo: Put "A Complete C++ Example" under
3946 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
3947 under Other Languages.
3948
3949 * src/getargs.c (valid_languages): Add Java.
3950 * src/getargs.h (struct bison_language): Update size of string fields.
3951
3952 * tests/Makefile.am: Add java.at.
3953 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
3954 * tests/java.at: New.
3955 * tests/testsuite.at: Include it.
3956
3957 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
3958
3959 Clean up.
3960 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
3961 at_directive_argv arguments so these no longer have to be global
3962 variables. Also, update the implementation for the following changes.
3963 (fail_for_at_directive_too_many_args,
3964 fail_for_at_directive_too_few_args): Add at_directive_name argument.
3965 (at_directive_name): Remove as at_directive_argv[0] will be used for
3966 this now.
3967 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
3968 for the directive name.
3969 (at_directive_argc, at_directive_argv): Make these local within
3970 skel_lex instead of global.
3971 (INITIAL): Update directive start action for above changes.
3972 (SC_AT_DIRECTIVE_ARG): Rename to...
3973 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
3974 (SC_AT_DIRECTIVE_SKIP_WS): Update.
3975 (scan_skel): Move yylex_destroy to...
3976 (skel_scanner_free): ... here.
3977 * tests/skeletons.at (installed skeleton file name): Rename to...
3978 (installed skeleton file names): ... this.
3979
3980 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
3981
3982 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3983 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
3984 Summary" not "Directives".
3985 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
3986 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
3987 since the former is now the more complete one.
3988 (Prologue Alternatives): Likewise and do the same for %defines.
3989 (Table of Symbols): Add summary of %code, add summary of %define, and
3990 move full %code documentation to...
3991 (Decl Summary): ... here for consistency with other entries in these
3992 sections.
3993 Move %define entry in order to keep this list alphabetized.
3994 Reword %define entry a little to put less emphasis on the skeleton
3995 concept, which most users shouldn't have to think about.
3996
3997 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
3998
3999 Adjust to recent gnulib changes.
4000 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
4001 Add string.h, string_.h, unistd_.h, wchar_.h.
4002 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
4003 * src/system.h: Don't include <stpcpy.h>; this is now done by
4004 <string.h>.
4005
4006 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
4007
4008 Simplify implementation of unqualified %code, implement macros for
4009 uniform treatment of boolean %define flags. Document %define.
4010 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
4011 b4_percent_code_ifdef): New.
4012 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
4013 * data/c++.m4: Define default value for global_tokens_and_yystype.
4014 * data/glr.cc: Likewise.
4015 * data/location.cc: Use b4_percent_define_flag_if.
4016
4017 * doc/bison.texinfo (Decl Summary): Document %define.
4018
4019 * src/parse-gram.y (Unqualified %code): Change muscle name to
4020 b4_percent_code().
4021 (content.opt): Default to empty.
4022
4023 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4024
4025 Implement support for relative and absolute skeleton file names.
4026 Discussed starting at
4027 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
4028 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
4029 (Bison Options): Document in --skeleton entry.
4030 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
4031 full_skeleton can't necessarily hold all of pkgdatadir.
4032 If the specified skeleton file name contains a `/', don't prepend
4033 pkgdatadir.
4034 * src/parse-gram.y (prologue_declaration): If the specified skeleton
4035 file name contains a `/', prepend the grammar file directory.
4036 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
4037 * skeletons.at: New file.
4038 (relative skeleton file names): New test case.
4039 (installed skeleton file names): New test case.
4040 * tests/testsuite.at: Include skeletons.at.
4041
4042 * bootstrap: Update copyright to 2007.
4043
4044 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
4045
4046 * bootstrap: Remove occurrences of .#bootmp from the files.
4047
4048 2007-01-17 Akim Demaille <akim@epita.fr>
4049
4050 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
4051 nonterminals.
4052 Use per-type %printer.
4053
4054 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4055
4056 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
4057 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4058 djgpp/config.site, src/files.c, src/files.h, src/main.c,
4059 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
4060 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
4061 tests/glr-regression.at, tests/input.at, tests/local.at,
4062 tests/output.at, tests/torture.at: Update copyright to 2007.
4063
4064 2007-01-16 Akim Demaille <akim@epita.fr>
4065
4066 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
4067 error code.
4068 (Calc++ Scanner): Exit with failure if we can't open the input
4069 file.
4070 Accept "-" standing for stdin.
4071 (Calc++ Top Level): Print the result only if the parsing was
4072 successful.
4073
4074 2007-01-16 Akim Demaille <akim@epita.fr>
4075
4076 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
4077
4078 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
4079 and Joel E. Denny <jdenny@ces.clemson.edu>
4080
4081 Clean up %define and %code implementation in M4 some. Most
4082 importantly, rename all related macros to be in the b4_percent_define
4083 and b4_percent_code namespaces. Also, complete support for `.' in
4084 %define variable names and %code qualifiers.
4085 * data/bison.m4 (b4_check_user_names): Check for special
4086 "SKELETON-NAMESPACE(name)" macros instead of using two nested
4087 m4_foreach loops.
4088 (b4_get_percent_define, b4_get_percent_code): Rename to...
4089 (b4_percent_define_get, b4_percent_code_get): ... these.
4090 Extend documentation with examples.
4091 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
4092 b4_percent_define_skeleton_variables and
4093 b4_percent_code_skeleton_qualifiers.
4094 Expect any value for the %define variable `foo' to be stored in the
4095 macro named `b4_percent_define(foo)'; expect any %code blocks for the
4096 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
4097 expect any unqualified %code blocks to be stored in a macro named
4098 `b4_percent_code_unqualified'.
4099 Use m4_indir so that %define variable names and %code qualifiers can
4100 contain `.', which is allowed by the grammar parser.
4101 (b4_percent_define_default): New macro to set a default value for a
4102 %define variable.
4103 (m4_wrap): Update wrapped code, and fix some underquoting.
4104 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
4105 Expect grammar uses of %define variables and %code qualifiers to be
4106 defined in b4_percent_define_user_variables and
4107 b4_percent_code_user_qualifiers.
4108 * data/c++.m4: Use b4_percent_define_default rather than
4109 m4_define_default. Fix some underquoting. Skeleton usage of %define
4110 variable define_location_comparison now implies skeleton usage of
4111 %define variable filename_type.
4112 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4113 data/push.c, data/yacc.c: Update macro names.
4114 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
4115 muscle names.
4116
4117 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4118
4119 DJGPP specific issues.
4120
4121 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
4122 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
4123
4124 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4125
4126 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
4127 run parsers in all tests so that Valgrind is invoked during
4128 maintainer-check-valgrind.
4129 (Duplicate representation of merged trees): Free all semantic values.
4130 (Duplicated user destructor for lookahead): Likewise.
4131
4132 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4133
4134 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
4135 command-line prefix.
4136 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
4137 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
4138 miss Valgrind messages.
4139 (Exploding the Stack Size with Malloc): Likewise.
4140
4141 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4142
4143 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
4144 locals. Reported by Juan Manuel Guerrero at
4145 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
4146 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
4147 Fix some indentation also.
4148 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
4149 explaining this issue.
4150
4151 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
4152 and Joel E. Denny <jdenny@ces.clemson.edu>
4153
4154 Simplify union and prologue handling, and escape union and lex/parse
4155 params with digraphs.
4156 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
4157 values to the empty string since these are no longer guaranteed
4158 initialized by the front-end.
4159 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
4160 braces around b4_user_stype since this is no longer done by the
4161 front-end.
4162 * src/files.c, src/files.h (pre_prologue_obstack,
4163 post_prologue_obstack): Remove.
4164 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
4165 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
4166 with digraphs. This fixes lex params and parse params.
4167 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
4168 * src/output.c (prepare): Remove muscle insertion of the prologues.
4169 (output): Remove freeing of pre_prologue_obstack and
4170 post_prologue_obstack.
4171 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
4172 than prologue_augment for prologue parsing so you don't need prologue
4173 obstacks.
4174 (grammar_declaration): For %union RHS, use `braceless' instead of
4175 "{...}" so that braces are already stripped and code is escaped with
4176 digraphs.
4177 * src/reader.c (prologue_augment): Remove.
4178 (reader): Remove initialization of pre_prologue_obstack and
4179 post_prologue_obstack.
4180 * src/reader.h (prologue_augment): Remove.
4181
4182 * data/c.m4: Remove stray parenthesis.
4183
4184 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4185
4186 Remove quotes from variables names in %define directives and from
4187 qualifiers in %code directives, and restrict the characters that are
4188 allowed in them to M4-friendly ones. For %define, continue to support
4189 the quoted form as a deprecated feature. Discussed starting at
4190 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
4191 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
4192 %code.
4193 * doc/bison.texinfo (Prologue Alternatives): Update.
4194 (Decl Summary): In %defines entry, update mention of `%code requires'
4195 and `%code provides'.
4196 (C++ Location Values): Update %define uses.
4197 (Calc++ Parser Interface): Likewise.
4198 (Calc++ Parser): Likewise, and update `%code requires' uses.
4199 (Table of Symbols): Update %code documentation.
4200 * src/parse-gram.y (prologue_declaration): For %define variables, use
4201 `variable' instead of `STRING'.
4202 (grammar_declaration): For %code qualifiers, use `ID' instead of
4203 `STRING'.
4204 (variable): New nonterminal that takes an `ID' or a `STRING'.
4205 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
4206 and %define uses.
4207 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
4208 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
4209 (%define errors): Update %define uses.
4210
4211 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4212
4213 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
4214 instead of muscle_insert for %define values so that M4-special
4215 characters are replaced with digraphs.
4216 * tests/input.at (%define errors): Extend to check weird values.
4217
4218 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4219
4220 Instead of having skeletons declare all valid %define variables and
4221 %code qualifiers, provide macros that retrieve the associated values
4222 and build these lists automatically. Thus Bison will now warn when a
4223 variable or qualifier is not used by the skeleton in the current
4224 invocation regardless of whether it might sometimes be used by that
4225 skeleton in other invocations. Also, move all %define value macros to
4226 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
4227 form, which is replaced by %code.
4228 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
4229 (b4_check_user_names): ... this, and change the series of valid name
4230 arguments to a single list argument for names used in the skeleton
4231 similar to the existing list argument for names used in the grammar.
4232 Warn instead of complaining.
4233 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
4234 values and %code code, to format %code code properly, and to build
4235 lists of all %define variables and %code qualifiers used in the
4236 skeleton: b4_skeleton_percent_define_variables and
4237 b4_skeleton_percent_code_qualifiers.
4238 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
4239 Remove, and...
4240 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
4241 the skeleton names lists can finish building first. In place of
4242 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
4243 expect the lists b4_user_percent_define_variables and
4244 b4_user_percent_code_qualifiers.
4245 * data/c++.m4: Where setting default values for b4_parser_class_name,
4246 b4_location_type, b4_filename_type, b4_namespace, and
4247 b4_define_location_comparison, update their names to the
4248 b4_percent_define_ namespace.
4249 * data/glr.c: Don't use b4_check_percent_define_variables and
4250 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4251 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
4252 (b4_parser_class_name, b4_namespace): Define these using
4253 b4_get_percent_define for parser_class_name and namespace.
4254 * data/location.cc: Use b4_get_percent_define.
4255 * data/push.c: Don't use b4_check_percent_define_variables and
4256 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4257 * data/yacc.c: Likewise, and don't call m4_exit in
4258 b4_use_push_for_pull_if or m4_wrap code will never execute.
4259 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
4260 Rename to...
4261 (muscle_grow_user_name_list): ... this for consistency with the
4262 terminology used in bison.m4.
4263 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
4264 %define variable names, and rename muscle used_percent_define_variables
4265 to user_percent_define_variables.
4266 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
4267 user_percent_code_qualifiers.
4268 (content): Remove.
4269 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
4270 {CODE} form is no longer accepted.
4271 * tests/input.at (Reject bad %code qualifiers): Rename to...
4272 (Reject unused %code qualifiers): ... this, and update test output.
4273 (%define error): Update test output.
4274
4275 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
4276
4277 Check for unrecognized %define variables similar to checking for
4278 unrecognized %code qualifiers. Check for redefined %define variables.
4279 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
4280 generalizes...
4281 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
4282 (b4_check_percent_define_variables): New, also wraps it.
4283 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
4284 variables using b4_check_percent_define_variables.
4285 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
4286 all those exercised in the test suite and all those listed in the
4287 `Default values' section of c++.m4. Are there others?
4288 * data/push.c, data/yacc.c: Declare no valid %define variables.
4289 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
4290 similar to muscle_find, but it works even when the muscle stores a
4291 const value.
4292 (muscle_grow_used_name_list): New function for constructing the used
4293 name list muscles that b4_check_for_unrecognized_names requires.
4294 * src/parse-gram.y (prologue_declaration): Warn if a variable is
4295 %define'd more than once. Define the b4_used_percent_define_variables
4296 muscle with muscle_grow_used_name_list.
4297 (grammar_declaration): Abbreviate %code code with
4298 muscle_grow_used_name_list.
4299 * tests/input.at (%define errors): New.
4300
4301 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4302
4303 Provide warn_at, complain_at, and fatal_at function callbacks to the
4304 skeletons, and use this for %code qualifier complaints.
4305 * data/bison.m4 (b4_error_at): New, invoked by...
4306 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
4307 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
4308 @fatal_at(...@) directives.
4309 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
4310 qualifiers in b4_used_percent_code_qualifiers and to use
4311 b4_complain_at.
4312 * src/location.c, src/location.h (boundary_set_from_string): New global
4313 function.
4314 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
4315 function.
4316 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
4317 to b4_used_percent_code_qualifiers.
4318 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
4319 function.
4320 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
4321 (lineno): Rename to...
4322 (out_lineno): ... this so I don't misunderstand it again.
4323 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
4324 here; these newlines are in the input but not the output file.
4325 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
4326 (at_directive_perform): ... this new static function, and add handling
4327 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
4328 directives.
4329 * tests/input.at (Reject bad %code qualifiers): Update test output with
4330 locations and extend.
4331
4332 * tests/output.at (Output file name: [, Output file name: ]): Remove
4333 bogus comment about these tests failing.
4334
4335 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4336
4337 Clean up b4_check_percent_code_qualifiers a little.
4338 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
4339 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
4340 documentation and add examples.
4341 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
4342 qualifiers here.
4343
4344 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
4345
4346 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
4347 unreliable -- especially when they're hidden inside another macro.
4348 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
4349 data/c.m4: Remove m4_divert(-1).
4350 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4351 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
4352 m4_divert_push(0) and m4_divert_pop(0).
4353 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
4354 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
4355 pushed and popped by m4sugar, should be first on the stack.
4356
4357 Provide warn, complain, and fatal function callbacks to the skeletons.
4358 This provides more flexibility than m4_fatal, improves the error
4359 message format, and captures messages for translation. Discussed
4360 starting at
4361 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
4362 * data/bison.m4 (b4_error): New, invoked by...
4363 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
4364 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
4365 directives. Because these M4 macros might be called when the current
4366 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
4367 the previous removal of uses of m4_divert, which caused trouble.
4368 (b4_check_percent_code_qualifiers): Use b4_complain instead of
4369 m4_fatal to report unrecognized %code qualifiers.
4370 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
4371 push parser requests.
4372 * data/glr.c: Use b4_complain instead of m4_fatal to report
4373 non-deterministic push parser requests.
4374 Update @output usage to @output(...@) form.
4375 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
4376 report missing %defines. Update @output usage to @output(...@) form.
4377 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
4378 @output(...@) form.
4379 * src/main.c (main): Invoke skel_scanner_free.
4380 * src/scan-skel.h (skel_scanner_free): Prototype new function.
4381 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
4382 obstack_for_string from flex-scanner.h.
4383 (YY_DECL): Use to declare skel_lex static.
4384 (decode_at_digraphs): Remove; now handled in the new
4385 SC_AT_DIRECTIVE_ARG start condition.
4386 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
4387 functions.
4388 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
4389 at_directive_argv): New static globals.
4390 (INITIAL): Use fail_for_invalid_at.
4391 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
4392 recognize the start of a generalized `@directive(...@)' form and
4393 start...
4394 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
4395 directive args (using the new obstack_for_string), to decode the
4396 contained @ diagraphs, and to perform the directive. It recognizes
4397 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
4398 @output(...@).
4399 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
4400 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
4401 `@,'.
4402 (scan_skel): Initialize obstack_for_string on the first call.
4403 (skel_scanner_free): New function to free obstack_for_string.
4404 * tests/input.at (Reject bad %code qualifiers): Update test output.
4405
4406 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
4407
4408 Consolidate the 4 prologue alternative directives (%code, %requires,
4409 %provides, and %code-top) into a single %code directive with an
4410 optional qualifier field. Discussed at
4411 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
4412 * NEWS (2.3a+): Rewrite the existing entry for the prologue
4413 alternatives.
4414 * doc/bison.texinfo (Prologue Alternatives): Update.
4415 (Decl Summary): Update to %code "requires" and %code "provides".
4416 (Calc++ Parser): Update to %code "requires".
4417 (Table of Symbols): Remove entries for %requires, %provides, and
4418 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
4419 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
4420 are replaced by b4_percent_code_provides and b4_percent_code_requires,
4421 which are skeleton-specific.
4422 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
4423 declare what %code qualifiers it supports and to complain if any other
4424 qualifiers were used in the grammar.
4425 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
4426 and b4_user_code([b4_percent_code_provides]) in place of
4427 b4_user_requires and b4_user_provides.
4428 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
4429 Add b4_user_code([b4_percent_code_top]) and
4430 b4_user_code([b4_percent_code]).
4431 Invoke b4_check_percent_code_qualifiers.
4432 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4433 PERCENT_REQUIRES): Remove.
4434 (grammar_declaration): Remove RHS's for %code-top, %provides, and
4435 %requires. Rewrite the %code RHS as the unqualified form defining the
4436 muscle b4_percent_code. Add another RHS for the qualified %code form,
4437 which defines muscles of the form b4_percent_code_QUALIFIER and the
4438 b4_used_percent_code_qualifiers muscle.
4439 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4440 PERCENT_REQUIRES): Remove.
4441 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
4442 %code "requires" and %code "provides".
4443 * tests/input.at (Reject bad %code qualifiers): New.
4444
4445 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4446
4447 Use the new code_props interface for destructors and printers.
4448 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
4449 printer_location members, and change the type of the destructor and
4450 printer members to code_props.
4451 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
4452 symbol_printer_get, semantic_type_destructor_set,
4453 semantic_type_printer_set, default_tagged_destructor_set,
4454 default_tagless_destructor_set, default_tagged_printer_set,
4455 default_tagless_printer_set): Use code_props in arguments and return
4456 types in place of char const * and location.
4457 (symbol_destructor_location_get, symbol_printer_location_get): Remove
4458 since the locations are now contained in the return of
4459 symbol_destructor_get and symbol_printer_get.
4460 * src/output.c (symbol_destructors_output, symbol_printers_output):
4461 Replace with...
4462 (symbol_code_props_output): ... this to eliminate duplicate code.
4463 (output_skeleton): Update to use symbol_code_props_output.
4464 * src/reader.c (symbol_should_be_used): Update use of
4465 symbol_destructor_get.
4466 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4467 Update uses of the various _destructor_set and _printer_set functions.
4468 * src/symtab.c: (default_tagged_destructor_location,
4469 default_tagless_destructor_location, default_tagged_printer_location,
4470 default_tagless_printer_location): Remove since we...
4471 (default_tagged_destructor, default_tagless_destructor,
4472 default_tagged_printer, default_tagless_printer): ... change the type
4473 of these to code_props.
4474 (symbol_new, semantic_type_new, symbol_destructor_set,
4475 semantic_type_destructor_set, symbol_destructor_get,
4476 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
4477 symbol_check_alias_consistency, default_tagged_destructor_set,
4478 default_tagless_destructor_set, default_tagged_printer_set,
4479 default_tagless_printer_set): Update.
4480 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
4481 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
4482 code_props members.
4483 (symbol_print): Use SYMBOL_CODE_PRINT.
4484
4485 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4486
4487 Use the new code_props interface for rule actions.
4488 * src/symlist.h (symbol_list): Replace action, action_location, and
4489 used members with a code_props action_props member.
4490 * src/reader.c (symbol_should_be_used, grammar_rule_check,
4491 grammar_midrule_action, grammar_current_rule_merge_set,
4492 grammar_current_rule_symbol_append, packgram): Update.
4493 * src/scan-code.h (translate_rule_action): Remove, no longer used.
4494 * src/scan-code.l (handle_action_dollar): Update.
4495 (translate_rule_action): Remove, no longer used.
4496 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
4497
4498 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4499
4500 Use the new code_props interface in parse-gram.y.
4501 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
4502 Update all uses of translate_* functions to use the new code_props
4503 interface and to use gram_scanner_last_string_free and
4504 code_scanner_last_string_free where possible.
4505 (grammar_declaration): symbol_list_destructor_set and
4506 symbol_list_printer_set now perform the translation, so don't do it
4507 here. Use gram_scanner_last_string_free where possible.
4508 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
4509 translate_code): Remove, no longer used.
4510 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
4511 symbol_list_printer_set): Perform code translation here rather than
4512 depending on the caller to do so.
4513
4514 * src/symlist.h (struct symbol_list): Correct some documentation typos.
4515 * src/scan-gram.h (gram_last_string): Remove declaration.
4516 * src/scan-gram.l (last_string): Declare it static.
4517
4518 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4519
4520 Encapsulate code properties and related functionality for the various
4521 destructors, printers, and actions into a code_props structure and
4522 interface. This patch merely implements code_props in scan-code.h and
4523 scan-code.l. Future patches will rewrite other modules to use it.
4524 Discussed starting at
4525 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
4526 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
4527 consistently initialize const structs that have an empty location
4528 field.
4529 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
4530 to ensure consistency.
4531 * src/scan-code.h (code_props): New structure.
4532 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
4533 function, macro, and const global variable for initializing a
4534 code_props with no code.
4535 (code_props_plain_init, code_props_symbol_action_init,
4536 code_props_rule_action_init, code_props_translate_code): The rest of
4537 the new code_props functional interface. Among other things, the init
4538 functions set the code_props kind field so that
4539 code_props_translate_code will know whether to behave like
4540 translate_symbol_action, translate_rule_action, or translate_code.
4541 These old translate functions must remain until all other modules are
4542 updated to use the new code_props interface.
4543 (code_scanner_last_string_free): New function similar to
4544 gram_scanner_last_string_free.
4545 (code_scanner_free): Add documentation.
4546 * src/scan-code.l: Implement the new interface.
4547 (code_lex): Make it static, add a code_props* argument, and remove the
4548 rule argument.
4549 (last_string): New static global similar to the one in scan-gram.l.
4550 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
4551 instead of rule.
4552 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
4553 code_props since Bison may one day use this information for destructors
4554 and printers.
4555 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
4556 (handle_action_dollar): Use symbol_list_n_get and set used flag
4557 directly since symbol_list_n_used_set is removed.
4558 (translate_action): Add a code_props* argument and remove the rule,
4559 action, and location arguments. Pass the code_props* on to code_lex.
4560 (translate_rule_action, translate_symbol_action, translate_code):
4561 Rewrite as wrappers around the new code_props interface.
4562 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
4563 it would eventually need to break the encapsulation of code_props.
4564
4565 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4566
4567 * etc/.cvsignore: New.
4568
4569 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4570
4571 Add maintainer-push-check to run maintainer-check using push parsing in
4572 place of pull parsing where available.
4573 * Makefile.am (maintainer-push-check): New.
4574 * data/bison.m4 (b4_use_push_for_pull_if): New.
4575 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
4576 appropriately based on their existing values.
4577 (yypush_parse): Don't print push-parser-specific diagnostics if push
4578 parsing is being used in place of pull parsing.
4579 * data/yacc.c: If push parsing should replace pull parsing, redirect to
4580 push.c.
4581 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
4582 variable, and insert b4_use_push_for_pull_flag into muscles.
4583 * tests/Makefile.am (maintainer-push-check): New.
4584
4585 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4586
4587 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
4588 (whether successful or failed) so that yypush_parse can be invoked
4589 again to start a new parse using the same yypstate.
4590 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
4591 check multiple yypull_parse invocations on the same yypstate. For pull
4592 mode, extend to check multiple yyparse invocations.
4593 (Exploding the Stack Size with Alloca): Extend to try with
4594 %push-pull-parser.
4595 (Exploding the Stack Size with Malloc): Likewise.
4596
4597 * tests/calc.at (Simple LALR Calculator): Don't specify
4598 %skeleton "push.c" since %push-pull-parser implies that now.
4599 * tests/headers.at (export YYLTYPE): Don't check for the push
4600 declarations. Otherwise, this test case can't be used to see if push
4601 mode can truly emulate pull mode.
4602 * tests/input.at (Torturing the Scanner): Likewise.
4603 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
4604 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
4605 AT_YACC_IF, which now includes the case of push mode since %skeleton
4606 need not be used for push mode. This will be more intuitive once
4607 push.c is renamed to yacc.c.
4608
4609 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4610
4611 For push mode, convert yyparse from a macro to a function, invoke yylex
4612 instead of passing a yylexp argument to yypull_parse, and don't
4613 generate yypull_parse or yyparse unless %push-pull-parser is declared.
4614 Discussed starting at
4615 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
4616 * data/bison.m4 (b4_pull_if): New.
4617 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
4618 * data/push.c: Improve M4 quoting a little.
4619 (b4_generate_macro_args, b4_parenthesize): Remove.
4620 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
4621 any time a pull parser is requested.
4622 Don't #define this as a wrapper around yypull_parse. Instead, when
4623 both push and pull are requested, make it a function that does that
4624 same thing.
4625 (yypull_parse): If there's a b4_prefix, #define this to
4626 b4_prefix[pull_parse] when both push and pull are requested.
4627 Don't define this as a function unless both push and pull are
4628 requested.
4629 Remove the yylexp argument and hard-code yylex invocation instead.
4630 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
4631 %push-parser.
4632 * src/getargs.c (pull_parser): New global initialized to true.
4633 * getargs.h (pull_parser): extern it.
4634 * src/output.c (prepare): Insert pull_flag muscle.
4635 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
4636 (prologue_declaration): Set both push_parser and pull_parser = true for
4637 %push-pull-parser. Set push_parser = true and pull_parser = false for
4638 %push-parser.
4639 * src/scan-gram.l: Don't accept %push_parser as an alternative to
4640 %push-parser since there's no backward-compatibility concern here.
4641 Scan %push-pull-parser.
4642 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
4643 instead of %push-parser.
4644 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
4645 prototype it in the module that calls yyparse.
4646 * tests/input.at (Torturing the Scanner): Likewise.
4647 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
4648
4649 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
4650
4651 Update etc/bench.pl. Optimize push mode a little (the yyn change
4652 deserves most of the credit).
4653 * Makefile.am (SUBDIRS): Add etc subdirectory.
4654 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
4655 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
4656 yytoken, yyval, and yyloc declarations to...
4657 (yyparse or yypush_parse): ... here to improve performance. For
4658 yypush_parse invocations after the first, be sure to assign yyn its old
4659 value again.
4660 (yypstate_new): Don't bother initializing the yyresult field since the
4661 initial value isn't used.
4662 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
4663 remove the #define that, in push mode, set it to yyps->NAME.
4664 * etc/Makefile.am: New.
4665 * etc/bench.pl: Remove and build it instead from...
4666 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
4667 "tests/bison" from the build directory by default rather than just
4668 invoking "bison" from $PATH.
4669 (calc_grammar): Update push parser code: don't declare yylval globally,
4670 don't define yyparse_wrapper, and don't #define yyparse.
4671 (bench_grammar): Update to check all working combinations of yacc.c,
4672 push.c, impure, pure, pull, and push.
4673
4674 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4675
4676 For push mode, add pull wrappers around yypush_parse.
4677 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
4678 (yypull_parse): New function wrapping yypush_parse.
4679 (yyparse): New #define wrapping yypull_parse.
4680 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
4681 is declared.
4682 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
4683 prototype yylex in the module that calls yyparse, and don't prototype
4684 yyparse there. Otherwise, the yyparse expansion won't compile.
4685 * tests/input.at (Torturing the Scanner): Likewise.
4686
4687 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4688
4689 Enable push parsers to operate in impure mode. Thus, %push-parser no
4690 longer implies %pure-parser. The point of this change is to move
4691 towards being able to test the push parser code by running the entire
4692 test suite as if %push-parser had been declared.
4693 * data/push.c (yypush_parse): For impure mode, remove the
4694 yypushed_char, yypushed_val, and yypushed_loc arguments.
4695 Instead, declare these as local variables initialized to the global
4696 yychar, yylval, and yylloc.
4697 For the first yypush_parse invocation only, restore the initial values
4698 of these global variables when it's time to read a token since they
4699 have been overwritten.
4700 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
4701 %push-parser.
4702 * tests/calc.at (Simple LALR(1) Calculator): Always declare
4703 %pure-parser along with %push-parser since this test case was designed
4704 for pure push parsers.
4705 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
4706 (AT_YACC_OR_PUSH_IF): New.
4707 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
4708 add a note that it's still wrong for some cases (as it has been for a
4709 while).
4710 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
4711 %push-parser no longer implies %pure-parser.
4712
4713 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4714
4715 Remove some unnecessary differences between the pull parser code and
4716 the push parser code. This patch enables yynerrs in push mode.
4717 * data/push.c: Reformat M4 a little.
4718 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
4719 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
4720 because push mode is on. Instead, if pure mode is on, move yynerrs
4721 to...
4722 (b4_declare_parser_state_variables): ... here.
4723 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
4724 to yyps->NAME so it can be used in yypush_parse.
4725 (yypush_parse): Don't omit uses of yynerrs in push mode.
4726
4727 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4728
4729 Fix bug such that the first pushed token's value and location are
4730 sometimes overwritten (sometimes by %initial-action) before being used.
4731 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
4732 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
4733 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
4734 more closely mimic the pull parser logic.
4735 Don't copy the pushed token to yychar, yylval, and yylloc until it's
4736 time to read a token, which is after any initialization of yylval and
4737 yylloc.
4738 (gottoken): Rename label to...
4739 (yyread_pushed_token): ... for clarity and to avoid infringing on the
4740 user namespace.
4741
4742 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4743
4744 Rearrange initialization of the parser state variables so that the
4745 skeleton doesn't have to have a copy for pull mode and another for push
4746 mode. This patch also fixes at least a bug such that yylloc was not
4747 initialized (with b4_location_initial_line and
4748 b4_location_initial_column) upon calling yypush_parse. However, that
4749 initialization now overwrites the first token's location;
4750 %initial-action assigning @$ already did the same thing, and both bugs
4751 will be fixed in a later patch.
4752 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
4753 (b4_declare_parser_state_variables): Remove initialization of yytoken,
4754 yyss, yyvs, yyls, and yystacksize.
4755 (yypstate_new): Remove initialization of some yypstate fields: yystate,
4756 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
4757 yylsp.
4758 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
4759 yyps->NAME so it can be used in yypush_parse.
4760 (yyparse or yypush_parse): For yypush_parse, don't print the
4761 "Starting parse" diagnostic for invocations after the first.
4762 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
4763 yypush_parse, only do it for the first invocation.
4764 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
4765 initialization to occur in yypush_parse but only on the first
4766 invocation.
4767
4768 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4769
4770 * data/push.c: Add CPP guards around push parser declarations in both
4771 the header and the code file.
4772 In the code file, move the push parser declarations to the same place
4773 they appear in the header file.
4774 Clean up the M4 some, especially the inconsistent underquoting in
4775 some b4_c_function_def and b4_c_function_decl uses.
4776
4777 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4778
4779 Encapsulate the push parser state variables into an M4 macro so the
4780 push skeleton doesn't have to list them again for pull mode's yyparse.
4781 For push mode, remove yypush_parse's local equivalents of these
4782 variables to eliminate unnecessary copying between the two sets at
4783 run-time. This patch also fixes at least a bug related to multiple
4784 %initial-action invocations in push mode.
4785 * data/push.c (b4_declare_parser_variables): Rename to...
4786 (b4_declare_scanner_communication_variables): ... this for clarity and
4787 update both uses.
4788 (b4_declare_yyparse_variables): Remove and move its contents to the one
4789 spot where it was invoked.
4790 (b4_declare_parser_state_variables): New macro containing the parser
4791 state variables required by push mode.
4792 (struct yypstate): Replace all fields but yynew with
4793 b4_declare_parser_state_variables.
4794 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
4795 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
4796 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
4797 (yyparse or yypush_parse): For yyparse in pull mode, replace local
4798 parser state variable declarations with
4799 b4_declare_parser_state_variables.
4800 Don't initialize parser state variables when calling yypush_parse since
4801 yypstate_new already does that.
4802 Invoke the user's initial action only upon the first yypush_parse
4803 invocation.
4804 Remove all code that copies between the local parser state variables
4805 and the yypstate.
4806
4807 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4808
4809 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
4810 prevent a name collision in a future patch where these names will
4811 sometimes be #define'd.
4812 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
4813 since it no longer has the same name as the existing argument.
4814 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
4815
4816 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
4817 and Joel E. Denny <jdenny@ces.clemson.edu>
4818
4819 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
4820 that the argument is case-insensitive, and there's no `=' here.
4821 For the %skeleton entry, mention that %language is better.
4822 (Bison Options): Likewise for --language and --skeleton. Move the
4823 --skeleton entry so that the `Tuning the parser' section is sorted
4824 alphabetically on long options.
4825 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
4826 %language directive in detail here; cross-reference the %language
4827 documentation instead.
4828 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
4829 `%require "2.3b"' so that the example is always up-to-date.
4830 (Table of Symbols): Add entries for %language and %skeleton.
4831 * examples/extexi (normalize): Instead of replacing every %require
4832 argument with the current Bison version, just substitute for
4833 `@value{VERSION}'. This guarantees that we're testing what actually
4834 appears in the documentation.
4835 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
4836 rather than `@VERSION@'.
4837
4838 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4839
4840 * NEWS: Reword the %language news a bit, and put it earlier.
4841
4842 * src/getargs.c (skeleton_arg): Last arg is now location const *.
4843 Rewrite to simplify the logic.
4844 (language_argmatch): Likewise.
4845 (program_name): We now own this var.
4846 * src/getargs.h (struct bison_language): Use char[] rather than
4847 const char *.
4848
4849 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
4850 Java is supported.
4851 * src/complain.c (program_name): Remove decl; no longer needed.
4852 * src/main.c (program_name): Remove; now belongs to getargs.
4853
4854 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
4855
4856 * NEWS: Document %language.
4857
4858 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
4859
4860 * data/c-skel.m4, data/c++-skel.m4: New files.
4861 * data/glr.c: Complain on push parsers.
4862
4863 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
4864 over %skeleton.
4865 (Decl Summary): Document %language and %skeleton.
4866 (Command line): Document -L.
4867
4868 * examples/extexi: Rewrite %require directive.
4869 * examples/calc++/Makefile.am: Pass VERSION to extexi.
4870
4871 * src/files.c (compute_exts_from_gc): Look in language structure
4872 for .y extension.
4873 (compute_file_name_parts): Check whether .tab should be added.
4874 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
4875 (language, skeleton_arg, language_argmatch): New.
4876 (long_options): Add --language.
4877 (getargs): Use skeleton_arg, add -L/--language.
4878 * src/getargs.h: Include location.h.
4879 (struct bison_language, language, skeleton_arg, language_argmatch): New.
4880 * src/output.c (prepare): Pick default skeleton from struct language.
4881 Don't dispatch C skeletons here.
4882 * src/parse-gram.y (PERCENT_LANGUAGE): New.
4883 (prologue_declaration): Add "%language" rule, use skeleton_arg.
4884 * src/scan-gram.l ("%language"): New rule.
4885
4886 * tests/calc.at: Test %skeleton and %language.
4887 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
4888 (AT_GLR_IF): Look for %skeleton "glr.cc".
4889 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
4890 (AT_YACC_IF): Reject %language.
4891
4892 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4893
4894 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
4895 since it wasn't used; only the typedef name 'semantic_type' is needed.
4896 Also, omit trailing white space.
4897
4898 * bootstrap: Sync from coreutils.
4899 (gnulib_extra_files): Add build-aux/announce.gen.
4900 (slurp): Adjust .gitignore files like .cvsignore files.
4901 * build-aux/announce-gen: Remove from CVS, since bootstrap
4902 now creates this.
4903
4904 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
4905
4906 Make %push-parser imply %pure-parser. This fixes several bugs; see
4907 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
4908 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
4909 pure_parser = true.
4910 * data/push.c: Don't bother testing b4_push_if when deciding whether
4911 to expand b4_declare_parser_variables globally.
4912 (yypush_parse): Likewise in here.
4913
4914 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
4915 (yy_reduce_print): Reformat M4 for readability.
4916
4917 2006-12-15 Bob Rossi <bob@brasko.net>
4918 and Joel Denny <jdenny@ces.clemson.edu>
4919
4920 * data/push.c (yypstate): Add typedef, and update all uses of
4921 struct yypstate to just yypstate.
4922 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
4923
4924 2006-12-14 Bob Rossi <bob@brasko.net>
4925
4926 * data/push.c (yypush_parse): Declare prototype regardless of
4927 %locations option.
4928
4929 2006-12-14 Bob Rossi <bob@brasko.net>
4930
4931 * data/push.c (yyparse): Remove the prototype and the #define when in
4932 push-parser mode.
4933
4934 2006-12-13 Bob Rossi <bob@brasko.net>
4935
4936 * data/push.c (yypstate_init): Rename to...
4937 (yypstate_new): ... this and use b4_c_function_def.
4938 (yypstate_delete): New.
4939 (yypush_parse): Change parameters yynval and yynlloc to be const.
4940 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
4941 yypstate_delete functions.
4942
4943 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
4944
4945 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
4946 strange test case titles. Reported by Bob Rossi.
4947
4948 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
4949
4950 * TODO: Add pointer to Sylvain Schmitz's work on static detection
4951 of potential ambiguities in GLR grammers.
4952
4953 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
4954
4955 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
4956 `bison ', use m4_index instead of m4_substr since chopping up a string
4957 containing M4-special characters causes problems here.
4958
4959 Fix a couple of bugs related to special characters in user-specified
4960 file names, and make it easier for skeletons to compute output file
4961 names with the same file name prefix as Bison-computed output file
4962 names.
4963 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
4964 b4_parser_file_name and b4_spec_defines_file instead of
4965 @output_parser_name@ and @output_header_name@, which are now redundant.
4966 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
4967 b4_parser_file_name, b4_spec_defines_file, and the new
4968 @basename(FILENAME@) instead of @output_parser_name@ and
4969 @output_header_name@, which inappropriately escaped the file names as
4970 C string literals.
4971 * src/files.c (all_but_ext): Remove static qualifier.
4972 (compute_output_file_names): Move `free (all_but_ext)' to...
4973 (output_file_names_free): ... here since all_but_ext is needed later.
4974 * src/files.h (all_but_ext): Extern.
4975 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
4976 exactly what MUSCLE_INSERT_STRING used to do.
4977 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
4978 characters are escaped properly.
4979 * src/output.c (prepare): Define muscle file_name_all_but_ext as
4980 all_but_ext.
4981 For pkgdatadir muscle, maintain previous functionality by using
4982 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
4983 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
4984 digraphs would never be expanded. Hopefully no one has M4-special
4985 characters in his Bison installation path.
4986 * src/scan-skel.l: Don't parse @output_header_name@ and
4987 @output_parser_name@ anymore since they're now redundant.
4988 In @output, use decode_at_digraphs.
4989 Parse a new @basename command that invokes last_component.
4990 (decode_at_digraphs): New.
4991 (BASE_QPUTS): Remove unused.
4992 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
4993 (Output file name): New tests.
4994
4995 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
4996
4997 Warn about output files that are generated by the skeletons and that
4998 conflict with other output files.
4999 * data/glr.c: Don't generate the header file here when glr.cc does.
5000 * src/files.c (file_names, file_names_count): New static globals.
5001 (compute_output_file_names): Invoke output_file_name_check for files
5002 not generated by the skeletons and remove existing checks.
5003 (output_file_name_check): New function that warns about conflicting
5004 output file names.
5005 (output_file_names_free): Free file_names.
5006 * src/files.h (output_file_name_check): Declare.
5007 * src/scan-skel.l: Invoke output_file_name_check for files generated by
5008 the skeletons.
5009 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
5010 (Conflicting output files): New tests.
5011
5012 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5013
5014 * doc/bison.texinfo: Fix a couple of typos.
5015
5016 2006-12-08 Bob Rossi <bob@brasko.net>
5017
5018 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
5019 Rename to...
5020 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
5021 update all uses.
5022 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
5023 (yypush_parse): Rename yypvars argument to yyps and remove redundant
5024 local pv.
5025 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
5026 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
5027
5028 2006-12-07 Bob Rossi <bob@brasko.net>
5029 and Joel Denny <jdenny@ces.clemson.edu>
5030
5031 * data/push.c (yypvarsinit): Change return type from void* to struct
5032 yypvars*. No longer cast to void* on return.
5033 (struct yypvars): Remove yylen since it need not be remembered between
5034 yypushparse invocations.
5035 (yypushparse): Don't copy between yylen and pv->yylen.
5036
5037 2006-12-05 Bob Rossi <bob@brasko.net>
5038
5039 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
5040 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
5041 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
5042 (struct yypvars): Remove b4_declare_parser_variables.
5043 (yypvarsinit): Remove init code for removed variables.
5044 (global scope): Do not declare b4_declare_parser_variables if
5045 push or pure mode.
5046 (yypushparse): Add b4_declare_parser_variables.
5047 Init new local variables, and remove init code for removed
5048 yypvars variables.
5049 (yyparse): Delete.
5050 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
5051 and yyparse for other modes.
5052 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
5053 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
5054 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
5055 (AT_PURE_LEX_IF): True if pure or push parser.
5056
5057 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
5058
5059 Document Yacc prologue alternatives and default %destructor's and
5060 %printer's as experimental. Don't mention Java yet. Discussed at
5061 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
5062 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
5063 (2.3a): Annotate this entry to say the old forms of these features were
5064 also experimental.
5065 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
5066 Table of Symbols): Say they're experimental. Comment out any mention
5067 of Java (we'll want this back eventually).
5068
5069 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5070
5071 Support a file name argument to %defines. Deprecate `=' in
5072 %file-prefix, %name-prefix, and %output. Discussed at
5073 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
5074 * NEWS (2.3a+): Mention.
5075 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
5076 form of %defines, and remove `=' from entries for %file-prefix,
5077 %name-prefix, and %output.
5078 * src/parse-gram.y (prologue_declaration): Implement.
5079 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
5080 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
5081 all but one occurrence of %name-prefix.
5082 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
5083 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
5084 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
5085 occurrence of each of %file-prefix and %output. Add check for %defines
5086 with argument.
5087 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
5088 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
5089 Remove the `=' from %output.
5090
5091 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
5092
5093 Don't escape $ in test case titles since Autoconf 2.61 now does that
5094 correctly.
5095 * tests/actions.at (Default %printer and %destructor are not for error
5096 or $undefined): Here.
5097 (Default %printer and %destructor are not for $accept): Here.
5098 * tests/input.at (Invalid $n and @n): Here.
5099
5100 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
5101
5102 Rename <!> to <>. Discussed starting at
5103 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
5104 * NEWS (2.3a+): Update.
5105 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
5106 Update.
5107 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
5108 * src/scan-gram.l (INITIAL): Implement.
5109 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
5110 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
5111 comment.
5112 * tests/actions.at (Default tagless %printer and %destructor,
5113 Default tagged and per-type %printer and %destructor,
5114 Default %printer and %destructor are not for error or $undefined,
5115 Default %printer and %destructor are not for $accept,
5116 Default %printer and %destructor for mid-rule values): Update.
5117 * tests/input.at (Default %printer and %destructor redeclared,
5118 Unused values with default %destructor): Update.
5119
5120 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
5121
5122 Don't let %prec take a nonterminal.
5123 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
5124 token.
5125 * tests/input.at (%prec takes a token): New test checking that %prec
5126 won't take a nonterminal.
5127
5128 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5129
5130 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
5131 it was double-quoted.
5132 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
5133 grammar is maintained with Bison's highest standards.
5134 * src/getargs.c: Fix some typos in Doxygen comments.
5135
5136 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5137
5138 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
5139 later. Reported by Paul Eggert in
5140 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
5141 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
5142 * src/scan-code.l (translate_action): Don't bother invoking
5143 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
5144 (code_scanner_free): Instead of invoking
5145 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
5146 which frees more.
5147 * src/scan-gram.l (gram_scanner_free): Likewise.
5148 * src/scan-skel.l (scan_skel): Likewise.
5149
5150 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5151
5152 * src/files.c (tr): Change return type to void.
5153 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
5154 has been called previously for the same key.
5155 (muscle_find): Return storage instead of value so that
5156 --enable-gcc-warnings doesn't produce warnings that the return discards
5157 const. aver that the value and storage are the same since storage
5158 could potentially be NULL when value is not.
5159 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
5160 same as 0.
5161
5162 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5163
5164 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
5165 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
5166 us a slightly cleaner distribution, and also works.
5167 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
5168 gnulib changes.
5169
5170 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
5171 and Paul Eggert <eggert@cs.ucla.edu>
5172
5173 Don't let Bison leak memory except when it complains.
5174 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
5175 (spec_defines_file, dir_prefix): Now char *, not const char *,
5176 since they are freed.
5177 * src/files.c: Likewise.
5178 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
5179 Likewise.
5180 (tr): Now operates in-place. All uses changed.
5181 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
5182 values.
5183 (compute_file_name_parts, compute_output_file_names): Don't store
5184 read-only data in variables that will be freed.
5185 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
5186 src_extension, and header_extension.
5187 (output_file_names_free): New public function to free
5188 spec_verbose_file, spec_graph_file, spec_defines_file,
5189 parser_file_name, and dir_prefix.
5190 * src/getargs.c (getargs): Don't store read-only data in variables that
5191 will be freed.
5192 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
5193 (which previously existed but was unused), and quotearg_free.
5194 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
5195 * src/muscle_tab.c: Likewise.
5196 (muscle_entry): Make the value char const *,
5197 and add a new storage member that is char * and can be freed.
5198 (muscle_entry_free): New private function.
5199 (muscle_init): Use it instead of free.
5200 (muscle_insert, muscle_grow): Update and use new storage member.
5201 (muscle_code_grow): Free the string passed to muscle_grow
5202 since it's not needed anymore.
5203 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
5204 add a new `char *code' member.
5205 ("{...}"): Declare semantic type as code.
5206 * src/scan-code.h (translate_rule_action):
5207 (translate_symbol_action, translate_code, translate_action): Return
5208 `char const *' rather than `char *' since external code should not free
5209 these strings.
5210 * src/scan-code.l: Likewise.
5211 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
5212 which is "{...}" in the parser.
5213 * tests/Makefile.am (maintainer-check-valgrind): Set
5214 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
5215 Valgrind.
5216 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
5217 complain.
5218 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
5219 expecting a non-zero exit status sets --leak-check=summary and
5220 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
5221 this case, and we don't want to hear about it.
5222
5223 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5224
5225 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
5226 instead of from the template, to simplify configuration a bit.
5227 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
5228 and m4/wint_t.m4, as they are needed with the latest gnulib.
5229
5230 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5231
5232 Disable unset/unused mid-rule value warnings by default, and recognize
5233 --warnings=midrule-values to enable them. Discussed starting at
5234 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
5235 * NEWS (2.3a+): Mention.
5236 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
5237 warnings): Add entry for midrule-values subargument.
5238 * src/reader.c (symbol_should_be_used): Don't return true just because
5239 the value is a set/used mid-rule value unless
5240 --warnings=midrule-values was specified.
5241 * tests/input.at (Unused values, Unused values before symbol
5242 declarations): Run tests with and without --warnings=midrule-values.
5243
5244 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
5245 than LIST_FREE directly.
5246
5247 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5248
5249 Finish implementing --warnings=error, which should not be implied by
5250 --warnings=all (or by its synonyms -W and --warnings without
5251 subarguments).
5252 * src/complain.c (set_warning_issued): New function to report that
5253 warnings are being treated as errors and to record an error if so.
5254 Invoke...
5255 (warn_at, warn): ... here.
5256 * src/getargs.c (warnings_args, warnings_types): Reorder so that
5257 "error - warnings are errors" does not appear above "all - all of the
5258 above".
5259 (getargs): For -W and --warnings without subarguments, don't let
5260 FLAGS_ARGMATCH set warnings_error in warnings_flag.
5261 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
5262
5263 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5264
5265 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
5266 empty subargument list. For example: `bison --warnings= parser.y'.
5267
5268 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5269
5270 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
5271 the parser header file so that gcc doesn't warn.
5272
5273 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5274
5275 Split the default %destructor/%printer into two kinds: <*> and <!>.
5276 Discussed starting at
5277 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
5278 * NEWS (2.3a+): Mention.
5279 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
5280 previous change today related to mid-rules.
5281 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
5282 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
5283 (TYPE_TAG_ANY): Add as <*>.
5284 (TYPE_TAG_NONE): Add as <!>.
5285 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
5286 for <*> and <!>.
5287 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
5288 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
5289 * src/symlist.c (symbol_list_default_new): Split into tagged and
5290 tagless versions.
5291 (symbol_list_destructor_set, symbol_list_printer_set): Split
5292 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
5293 SYMLIST_DEFAULT_TAGLESS.
5294 * src/symlist.h: Update symbol_list_default*_new prototypes.
5295 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
5296 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
5297 * src/symtab.c (default_destructor, default_destructor_location,
5298 default_printer, default_printer_location): Split each into tagged and
5299 tagless versions.
5300 (symbol_destructor_get, symbol_destructor_location_get,
5301 symbol_printer_get, symbol_printer_location_get): Implement tagged
5302 default and tagless default cases.
5303 (default_destructor_set, default_printer_set): Split each into tagged
5304 and tagless versions.
5305 * src/symtab.h: Update prototypes.
5306 * tests/actions.at (Default %printer and %destructor): Rename to...
5307 (Default tagless %printer and %destructor): ... this, and extend.
5308 (Per-type %printer and %destructor): Rename to...
5309 (Default tagged and per-type %printer and %destructor): ... this, and
5310 extend.
5311 (Default %printer and %destructor for user-defined end token): Extend.
5312 (Default %printer and %destructor are not for error or $undefined):
5313 Update.
5314 (Default %printer and %destructor are not for $accept): Update.
5315 (Default %printer and %destructor for mid-rule values): Extend.
5316 * tests/input.at (Default %printer and %destructor redeclared): Extend.
5317 (Unused values with default %destructor): Extend.
5318
5319 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5320
5321 Don't apply the default %destructor/%printer to an unreferenced midrule
5322 value. Mentioned at
5323 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
5324 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
5325 like $@n instead of just @n so that the default %destructor/%printer
5326 logic doesn't see them as user-defined symbols.
5327 (symbol_is_dummy): Check for both forms of the name.
5328 * src/reader.c (packgram): Remove the `$' from each midrule symbol
5329 name for which the midrule value is referenced in any action.
5330 * tests/actions.at (Default %printer and %destructor for mid-rule
5331 values): New test.
5332 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
5333 for change to dummy symbol names.
5334
5335 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5336
5337 Warn about unset midrule $$ if the corresponding $n is used.
5338 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
5339 $n usage.
5340 (packgram): Before invoking grammar_rule_check on any rule, make sure
5341 all actions have already been scanned in order to set `used' flags.
5342 Otherwise, checking that a midrule's $$ is set will not always work
5343 properly because the midrule check must forward-reference the midrule's
5344 parent rule.
5345 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
5346 warning.
5347
5348 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5349
5350 More improvements to the documentation of the prologue alternatives:
5351 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
5352 Bison manual.
5353 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
5354 some text to clarify the relative importance of the new directives and
5355 to show how these directives may be viewed as code labels.
5356
5357 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
5358
5359 Similar to the recently removed %before-header, add %code-top as the
5360 alternative to the pre-prologue. Mentioned at
5361 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
5362 Also, let the prologue alternatives appear in the grammar section.
5363 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
5364 (prologue_declaration): Move the existing prologue alternatives to...
5365 (grammar_declaration): ... here and add %code-top.
5366 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
5367
5368 Clean up and extend documentation for the prologue alternatives.
5369 * NEWS (2.3a+): Describe prologue alternatives.
5370 * doc/bison.texinfo (Prologue): Move discussion of prologue
5371 alternatives to...
5372 (Prologue Alternatives): ... this new section, and extend it to discuss
5373 all 4 directives in detail.
5374 (Table of Symbols): Clean up discussion of prologue alternatives and
5375 add %code-top.
5376
5377 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5378
5379 DJGPP specific issues.
5380
5381 * djgpp/config.bat: config.hin has been moved to lib. Adjust
5382 config.bat accordingly.
5383 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
5384 * djgpp/config.site: Likewise.
5385
5386 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
5387
5388 Replace %*-header with %provides, %requires, %code. See discussion at
5389 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
5390
5391 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
5392 (b4_user_start_header): Remove.
5393 * data/glr.c: Use new macros instead of b4_*start_header
5394 and b4_*end_header.
5395 * data/glr.cc: Likewise.
5396 * data/lalr1.cc: Likewise.
5397 * data/push.c: Likewise.
5398 * data/yacc.c: Likewise.
5399
5400 * doc/bison.texinfo: Remove %before-header, rename
5401 %{start,end,after}-header to %requires, %provides, %code.
5402
5403 * src/parse-gram.y: Likewise (also rename token names accordingly).
5404 * src/scan-gram.l: Likewise.
5405 * tests/actions.at: Likewise.
5406
5407 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
5408
5409 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
5410 Problem reported by Joel E. Denny.
5411
5412 2006-10-14 Jim Meyering <jim@meyering.net>
5413
5414 (Sync from coreutils.)
5415 Work also when the working directory (with e.g. coreutils sources)
5416 is version controlled with git, rather than CVS.
5417 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
5418 rather than CVS.
5419 In messages and comments, say e.g., "checked-out sources",
5420 rather than "CVS sources".
5421 (version_controlled_file): New function. Work for git as well as
5422 for CVS. Don't use grep's -q option.
5423 (slurp): Call it here, in place of CVS-specific code.
5424
5425 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
5426
5427 Fix testsuite for ./configure --enable-gcc-warnings:
5428 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
5429 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
5430 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
5431 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
5432 * test/regression.at (Diagnostic that expects two alternatives):
5433 Likewise.
5434
5435 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5436
5437 * bootstrap.conf (gnulib_modules): Add config-h.
5438 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
5439 worry about HAVE_CONFIG_H.
5440 * lib/abitset.c: Likewise.
5441 * lib/bitset.c: Likewise.
5442 * lib/bitset_stats.c: Likewise.
5443 * lib/bitsetv-print.c: Likewise.
5444 * lib/bitsetv.c: Likewise.
5445 * lib/ebitset.c: Likewise.
5446 * lib/get-errno.c: Likewise.
5447 * lib/lbitset.c: Likewise.
5448 * lib/subpipe.c: Likewise.
5449 * lib/timevar.c: Likewise.
5450 * lib/vbitset.c: Likewise.
5451 * lib/bitset.c: Include "bitset.h" first, to test interface.
5452 * lib/bitset_stats.c: Include "bitset_stats.h" first.
5453 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
5454 * lib/bitsetv.c: Include "bitsetv.h" first.
5455 * lib/get-errno.c: Include "get-errno.h" first.
5456 * m4/.cvsignore: Add config-h.m4.
5457 * tests/actions.at (Default %printer and %destructor for ...):
5458 Adjust expected line numbers in output to reflect removal of #if
5459 HAVE_CONFIG_H lines.
5460 * tests/glr-regression.at (Missed %merge type warnings when ...):
5461 Likewise.
5462 * tests/regression.at (Braced code in declaration in rules section):
5463 Likewise.
5464 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
5465 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
5466 Include <config.h> unconditionally.
5467
5468 * bootstrap: Sync from coreutils, as follows:
5469
5470 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5471
5472 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
5473 variable was sometimes used without being initialized. This
5474 messed up the installation of the INSTALL file in some cases.
5475
5476 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5477
5478 * bootstrap (usage, main program, symlink_to_gnulib): Add option
5479 --copy. Inspired by a suggestion from Bruno Haible.
5480
5481 2006-10-03 Jim Meyering <jim@meyering.net>
5482
5483 * bootstrap: Undo last change to this file, since now gnulib-tool
5484 sticks with the automake default in generating dependencies.
5485
5486 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5487
5488 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
5489 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
5490
5491 * doc/bison.1: Add copyright notice.
5492
5493 * data/glr.c: Don't include <stdarg.h>; not used.
5494
5495 * NEWS: The -g and --graph options now output graphs in Graphviz
5496 DOT format, not VCG format.
5497 * doc/bison.1: Likewise.
5498 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
5499 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
5500 of this change in
5501 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
5502 * TODO: Remove Graphviz entry.
5503 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
5504 remove vcg.c, vcg.h, vcg_defaults.h.
5505 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
5506 * src/graphviz.c, src/graphviz.h: New files.
5507 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
5508 * src/files.h: Make comment more generic.
5509 * src/main.c (main): Likewise.
5510 * src/print_graph.h: Likewise.
5511 * src/getargs.c (usage): Make usage description more generic.
5512 * src/print_graph.c: Include graphviz.h rather than vcg.h.
5513 (static_graph, fgraph): Remove. All uses changed to pass
5514 arguments instead of sharing a static var.
5515 (print_core, print_actions, print_state, print_graph):
5516 Output graphviz format rather than VCG format.
5517 * tests/.cvsignore: Remove *.vcg; add *.dot.
5518 * tests/output.at: Expect *.dot files, not *.vcg files.
5519
5520 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
5521 accommodates the 2006-10-08 change.
5522
5523 2006-10-11 Bob Rossi <bob@brasko.net>
5524
5525 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
5526 (b4_yyssa, b4_yyerror_range): New macros.
5527 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
5528 (yypvarsinit): Remove init of removed fields.
5529 (yypushparse): Remove use of removed fields; use new macros instead.
5530
5531 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5532
5533 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
5534 in a push parser. Reindent slightly to match yacc.c better.
5535
5536 2006-10-11 Bob Rossi <bob@brasko.net>
5537
5538 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
5539 yymsg_alloc fields.
5540 (yypvarsinit, yypushparse): Remove init of removed fields.
5541 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
5542
5543 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5544
5545 * THANKS: Add Paolo Bonzini and Bob Rossi.
5546
5547 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
5548
5549 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
5550 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
5551 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
5552 b4_define_user_cde and uses): Remove.
5553 (b4_comment, b4_prefix, b4_sync_start): New.
5554 * data/bison.m4: New file, with most of the content removed from c.m4.
5555 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
5556 * src/output.c (output_skeleton): Pass bison.m4.
5557 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
5558 only if specified.
5559
5560 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
5561
5562 Fix test failure reported by Tom Lane in
5563 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
5564 and try to make such failures easier to catch in the future.
5565 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
5566 that's now the caller's responsibility.
5567 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
5568 Set yychar = YYEOF if it's negative.
5569 * tests/actions.at (yylex): Abort if asked to read past EOF.
5570 * tests/conflicts.at (yylex): Likewise.
5571 * tests/cxx-type.at (yylex): Likewise.
5572 * tests/glr-regression.at (yylex): Likewise.
5573 * tests/input.at (yylex): Likewise.
5574 * tests/regression.at (yylex): Likewise.
5575 * tests/torture.at (yylex): Likewise.
5576
5577 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
5578
5579 Fix problems with translating English-language diagnostics.
5580 * bootstrap: Fix bug introduced in recent bootstrap changes, with
5581 respect to bison-runtime pot generation. The YY_ stuff
5582 wasn't being captured.
5583 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
5584 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
5585 * runtime-po/POTFILES.in: Add data/push.c.
5586
5587 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
5588
5589 Merge bootstrap changes from coreutils.
5590
5591 2006-09-28 Jim Meyering <jim@meyering.net>
5592
5593 Automatically generated dependencies are important even
5594 when all of the sources in a directory come from gnulib.
5595 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
5596 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
5597
5598 2006-09-23 Jim Meyering <jim@meyering.net>
5599
5600 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
5601
5602 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5603
5604 * bootstrap: Add support for --force.
5605 (usage): New function. Describe usage less tersely.
5606 (CVS_only_file): New var.
5607
5608 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
5609
5610 * data/push.c (YYPUSH_MORE): Make it an enum instead.
5611 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
5612 Adjust white space and comments to match GNU style better.
5613
5614 2006-09-20 Bob Rossi <bob@brasko.net>
5615
5616 * data/push.c (yyresult_get): Remove function.
5617 (YYPUSH_MORE): Add #define.
5618 (yypushparse): Modify return value.
5619
5620 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5621
5622 * stamp-h.in: Remove; no longer needed.
5623 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
5624 Remove config.h, config.hin, intl (no longer created).
5625 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
5626 stamp-h1.
5627
5628 Sync bootstrap from coreutils, as follows:
5629
5630 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
5631
5632 * bootstrap (symlink_to_gnulib): New function.
5633 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
5634 to copies-of-gnulib.
5635 (cp_mark_as_generated, slurp, gnulib_files):
5636 Avoid making a copy if it's the same as the old version.
5637 (gnulib_files): Add support for this variable (used by Bison).
5638
5639 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5640
5641 * src/getargs.c (usage): Rework to use conventions similar to
5642 coreutils, to make translation a bit easier and the code a bit
5643 smaller. Problem reported by Tim Van Holder.
5644
5645 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
5646
5647 Use some of gnulib's new modules, taken from coreutils.
5648
5649 * bootstrap: Sync from coreutils, except add support for gnulib_files.
5650 * bootstrap.conf: New file.
5651 (gnulib_modules): Add configmake, inttypes, unistd.
5652 (XGETTEXT_OPTIONS): Add complain, complain_at,
5653 fatal, fatal_at, warn, warn_at, unexpected_end.
5654 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
5655 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
5656 (gl_EARLY): Add.
5657 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
5658 (gl_INIT): Add
5659 (GNULIB_AUTOCONF_SNIPPET): Remove.
5660 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
5661 the pickiest.
5662 * lib/.cvsignore: Add inttypes_.h.
5663 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
5664 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
5665 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
5666 no-longer-necessary initializations.
5667 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
5668 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
5669 use the unistd module.
5670 * src/system.h: Likewise.
5671 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
5672 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
5673 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
5674 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
5675 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
5676 * src/system.h: Include inttypes.h unconditionally, now that we
5677 use the inttypes module. Don't bother to include stdint.h, since
5678 inttypes.h now does that for us.
5679 (LOCALEDIR): Remove, now that we use the configmake module.
5680 * src/getargs.c: Include configmake.h.
5681 * src/main.c: Likewise.
5682 * src/output.c: Likewise.
5683 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
5684 not from $abs_top_builddir, since config.h moved.
5685
5686
5687 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
5688 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
5689
5690 * src/parse-gram.y (symbol_declaration): Don't put statements
5691 before declarations; it's not portable to C89.
5692 * src/scan-code.l (handle_action_at): Likewise.
5693
5694 * src/scan-code.l: Always initialize braces_level; the old code
5695 left it uninitialized and therefore had undefined behavior.
5696
5697 Don't attempt to redefine 'assert', since it runs afoul of
5698 systems where standard headers (mistakenly) include <assert.h>.
5699 Instead, define and use our own alternative, called 'aver'.
5700 * src/reader.c: Don't include assert.h, since we no longer
5701 use assert.
5702 * src/scan-code.l: Likewise.
5703 * src/system.h (assert): Remove, replacing with....
5704 (aver): New function, taking a bool arg. All uses changed.
5705 * src/tables.c (pack_vector): Ensure that aver arg is bool,
5706 not merely an integer.
5707
5708 2006-09-15 Bob Rossi <bob@brasko.net>
5709
5710 Add support for push parsing. Based on the original work of
5711 Odd Arild Olsen <oao@fibula.no>.
5712 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
5713 * data/c.m4 (YYPUSH): New.
5714 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
5715 * data/push.c: New file.
5716 * src/getargs.c (push_parser): New var.
5717 * src/getargs.h (push_parser): New declaration.
5718 * src/output.c (prepare): Add macro insertion of `push_flag'.
5719 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
5720 (prologue_declaration): Parse %push-parser.
5721 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
5722 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
5723 list of removed lines from the traces observed.
5724 (AT_CHECK_CALC_LALR): Added push parser tests.
5725
5726 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
5727
5728 * NEWS: Version 2.3a.
5729 * configure.ac (AC_INIT): Likewise.
5730
5731 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
5732 "#define YYSTYPE int" that caused "make maintainer-check" to fail
5733 due to header ordering dependencies. I don't know why the #define
5734 was there.
5735
5736 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
5737 runtime cost when YYDEBUG is not defined, and so that some tests
5738 that used to fail now work. Problem and initial suggestion by
5739 Paolo Bonzini.
5740 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
5741 * data/glr.cc (b4_parser_class_name):
5742 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
5743 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
5744 (yydebug_) [YYDEBUG]: New member.
5745 (yycdebug_): Now defined only if YYDEBUG.
5746 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
5747 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
5748 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
5749 if YYYDEBUG.
5750 (debug_stream, set_debug_stream, debug_level, set_debug_level):
5751 Define only if YYDEBUG.
5752 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
5753 set_debug_level.
5754 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
5755 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
5756 AT_CHECK_CALC_GLR_CC that are working now.
5757
5758 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
5759
5760 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
5761 We don't need them in glr.cc, and glr.c defines them.
5762 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
5763 assumes that defining it to anything is the same as defining
5764 it to 1. Problem reported by Paolo Bonzini.
5765
5766 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
5767
5768 * data/c.m4 (b4_null, b4_case): Define.
5769 * src/output.c (prepare_symbols): Use b4_null.
5770 (user_actions_output): Use b4_case.
5771
5772 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
5773
5774 * data/glr.c (b4_shared_declarations): Put start-header first,
5775 before any #includes that we generate, so that feature-test
5776 macros work. Problem reported by Michael Deutschmann in
5777 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
5778 * data/lalr1.cc: Likewise.
5779 * doc/bison.texinfo (Prologue): Document that feature-test macros
5780 should be defined before any Bison declarations.
5781 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
5782 that depend on location.hh after, not before, Bison decls, since
5783 we now include location.hh after the first user prologue.
5784
5785 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
5786 Sander Brandenburg in
5787 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
5788 Also, fix minor white space and comment issues.
5789 (Prologue): Mention that it's better to define feature-test macros
5790 before Bison declarations. Problem reported by Michael Deutschmann.
5791
5792 * README-cvs: Fix typo: "&" should be "&&". Problem reported
5793 by Jim Meyering.
5794 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
5795 This adjusts to recent gnulib changes.
5796
5797 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5798
5799 Finish implementation of per-type %destructor/%printer. Discussed
5800 starting at
5801 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
5802 and
5803 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
5804 * NEWS (2.3+): Add a description of this feature to the default
5805 %destructor/%printer description.
5806 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
5807 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5808 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
5809 list node contains a semantic type.
5810 * src/symtab.c, src/symtab.h: Extend with a table that associates
5811 semantic types with their %destructor's and %printer's.
5812 (semantic_type_from_uniqstr, semantic_type_get,
5813 semantic_type_destructor_set, semantic_type_printer_set): New functions
5814 composing the public interface of that table.
5815 (symbol_destructor_get, symbol_destructor_location_get,
5816 symbol_printer_get, symbol_printer_location_get): If there's no
5817 per-symbol %destructor/%printer, look up the per-type before trying
5818 the default.
5819 * tests/actions.at (Per-type %printer and %destructor): New test case.
5820 * tests/input.at (Default %printer and %destructor redeclared):
5821 Extend to check that multiple occurrences of %symbol-default in a
5822 single %destructor/%printer declaration is an error.
5823 (Per-type %printer and %destructor redeclared, Unused values with
5824 per-type %destructor): New test cases.
5825
5826 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5827
5828 Require default %destructor/%printer to be declared using
5829 %symbol-default instead of an empty symbol list, and start working on
5830 new per-type %destructor/%printer. Discussed at
5831 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
5832 * NEWS (2.3+): Add %symbol-default to example.
5833 * bison.texinfo (Freeing Discarded Symbols): Likewise.
5834 (Table of Symbols): Add entry for %symbol-default.
5835 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
5836 (generic_symlist, generic_symlist_item): New nonterminals for creating
5837 a list in which each item is a symbol, semantic type, or
5838 %symbol-default.
5839 (grammar_declaration): Use generic_symlist in %destructor and %printer
5840 declarations instead of symbols.1 or an empty list.
5841 (symbol_declaration, precedence_declaration, symbols.1): Update actions
5842 for changes to symbol_list.
5843 * src/reader.c: Update for changes to symbol_list.
5844 * src/scan-code.l: Likewise.
5845 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
5846 * src/symlist.c, src/symlist.h: Extend such that a list node may
5847 represent a semantic type or a %symbol-default in addition to just an
5848 ordinary symbol. Add switched functions for setting %destructor's and
5849 %printer's.
5850 * tests/actions.at, tests/input.at: Add %symbol-default to all default
5851 %destructor/%printer declarations.
5852
5853 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
5854
5855 Whether the default %destructor/%printer applies to a particular symbol
5856 isn't a question of whether the user *declares* that symbol (in %token,
5857 for example). It's a question of whether the user by any means
5858 *defines* the symbol at all (by simply using a char token, for
5859 example). $end is defined by Bison whereas any other token with token
5860 number 0 is defined by the user. The error token is always defined by
5861 Bison regardless of whether the user declares it with %token, but we
5862 may one day let the user define error as a nonterminal instead.
5863 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
5864 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
5865 the meaning of "user-defined".
5866 * tests/actions.at (Default %printer and %destructor for user-declared
5867 end token): Rename to...
5868 (Default %printer and %destructor for user-defined end token): ...
5869 this.
5870
5871 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
5872 computation of whether to apply the default, don't maintain a list of
5873 every Bison-defined symbol. Instead, just check for a first character
5874 of '$', which a user symbol cannot have, and check for the error token.
5875
5876 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
5877
5878 Don't apply the default %destructor or %printer to the error token,
5879 $undefined, or $accept. This change fits the general rule that the
5880 default %destructor and %printer are only for user-declared symbols,
5881 and it solves several difficulties that are described in the new test
5882 cases listed below.
5883 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
5884 * tests/actions.at (Default %printer and %destructor are not for error
5885 or $undefined, Default %printer and %destructor are not for $accept):
5886 New test cases.
5887
5888 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
5889
5890 Allow %start after the first rule.
5891 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
5892 when parsing the first rule.
5893 (check_and_convert_grammar): Search for it here after all grammar
5894 declarations have been parsed. Skip midrules, which have dummy LHS
5895 nonterminals.
5896 * src/symtab.c (symbol_is_dummy): New function.
5897 * src/symtab.h (symbol_is_dummy): Declare it.
5898 * tests/input.at (%start after first rule): New test.
5899
5900 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
5901
5902 Redo some of the previous commit: add back the ability to use
5903 non-aliased/undeclared string literals since it might be useful to
5904 those declaring %token-table.
5905 * src/reader.c (check_and_convert_grammar): Undo changes in previous
5906 commit: don't worry about complaints from symbols_pack.
5907 * src/symtab.c (symbol_new, symbol_class_set,
5908 symbol_check_alias_consistency): Undo changes in previous commit: count
5909 each string literal as a new symbol and token, assign it a symbol
5910 number, and don't complain about non-aliased string literals.
5911 (symbols_pack): Since symbol_make_alias still does not decrement symbol
5912 and token counts but does still set aliased tokens to the same number,
5913 symbol_pack_processor now leaves empty slots in the symbols array.
5914 Remove those slots.
5915 * tests/regression.at (Undeclared string literal): Remove test case
5916 added in previous commit since non-aliased string literals are allowed
5917 again.
5918 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
5919 remove unnecessary string literal declarations.
5920 * tests/sets.at (Firsts): Likewise.
5921
5922 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
5923
5924 Don't allow an undeclared string literal, but allow a string literal to
5925 be used before its declaration.
5926 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
5927 symbols_pack complained.
5928 * src/symtab.c (symbol_new): Don't count a string literal as a new
5929 symbol.
5930 (symbol_class_set): Don't count a string literal as a new token, and
5931 don't assign it a symbol number since symbol_make_alias does that.
5932 (symbol_make_alias): It's not necessary to decrement the symbol and
5933 token counts anymore. Don't assume that an alias declaration occurs
5934 before any uses of the identifier or string, and thus don't assert that
5935 one of them has the highest symbol number so far.
5936 (symbol_check_alias_consistency): Complain if there's a string literal
5937 that wasn't declared as an alias.
5938 (symbols_pack): Bail if symbol_check_alias_consistency failed since
5939 symbol_pack asserts that every token has been assigned a symbol number
5940 although undeclared string literals have not.
5941 * tests/regression.at (String alias declared after use, Undeclared
5942 string literal): New test cases.
5943 (Characters Escapes, Web2c Actions): Declare string literals as
5944 aliases.
5945 * tests/sets.at (Firsts): Likewise.
5946
5947 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
5948
5949 In the grammar scanner, STRING_FINISH unclosed constructs and return
5950 them to the parser in order to improve error messages.
5951 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
5952 SC_BRACED_CODE, SC_PROLOGUE): Implement.
5953 * tests/input.at (Unclosed constructs): New test case.
5954 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
5955 seen.
5956
5957 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
5958 unused global.
5959
5960 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
5961
5962 Handle string aliases for character tokens correctly.
5963 * src/symtab.c (symbol_user_token_number_set): If the token has an
5964 alias, check and set its alias's user token number instead of its own,
5965 which is set to indicate the alias. Previously, every occurrence of
5966 the character token in the grammar overwrote that alias indicator with
5967 the character code.
5968 * tests/input.at (String aliases for character tokens): New test.
5969
5970 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
5971
5972 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
5973
5974 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
5975
5976 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
5977 to prevent failures when building on older platforms.
5978 Check for autopoint failure.
5979 Set XGETTEXT_OPTIONS to values that check for C format strings,
5980 so that translators are warned about them (this also helps
5981 prevent core dumps).
5982
5983 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
5984 function, since it simplifies our code a bit.
5985
5986 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
5987 rather than -W, so we don't get bogus warnings about sign comparisons.
5988 Add -Wpointer-arith, since that warning is useful (it reports code
5989 that does not conform to C89 and that some compilers reject).
5990 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
5991 since it's no longer needed.
5992
5993 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
5994
5995 Clean up scanners a bit.
5996 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
5997 definitions so gcc won't warn when obstack_for_string is unused.
5998 * src/scan-code.l: config.h and system.h are already #include'd by
5999 scan-code-c.c, so get rid of them here.
6000 * src/scan-gram.l: Likewise.
6001 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
6002 definitions rather than duplicating the rest of it.
6003 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
6004
6005 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
6006
6007 Suppress signed/unsigned comparison warnings for yycheck.
6008 * data/c.m4 (b4_safest_int_type): New macro.
6009 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
6010 a signed int type, cast it to b4_safest_int_type first.
6011 * data/yacc.c: Likewise.
6012 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
6013 also overwritten.
6014
6015 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
6016
6017 * doc/bison.texinfo: Fix some typos.
6018
6019 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
6020
6021 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
6022 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
6023
6024 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
6025 the latest gnulib does this a different way.
6026 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
6027 translation was patched, so stop omitting it.
6028
6029 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6030
6031 Enable declaration of default %printer/%destructor. Make the parser
6032 use these for all user-declared grammar symbols for which the user does
6033 not declare a specific %printer/%destructor. Thus, the parser uses it
6034 for token 0 if the user declares it but not if Bison generates it as
6035 $end. Discussed starting at
6036 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
6037 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
6038 and
6039 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
6040 * NEWS (2.3+): Mention.
6041 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
6042 declare a %destructor for a mid-rule's semantic value. It's just
6043 impossible to declare one specific to it.
6044 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
6045 code. Describe default %destructor form.
6046 * src/parse-gram.y (grammar_declaration): Parse default
6047 %printer/%destructor declarations.
6048 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
6049 and symbol_destructor_location_get rather than accessing the destructor
6050 and destructor_location members of struct symbol.
6051 (symbol_printers_output): Likewise but for %printer's.
6052 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
6053 again.
6054 * src/symtab.c (default_destructor, default_destructor_location,
6055 default_printer, default_printer_location): New static global
6056 variables to record the default %destructor and %printer.
6057 (symbol_destructor_get, symbol_destructor_location_get,
6058 symbol_printer_get, symbol_printer_location_get): New functions to
6059 compute the appropriate %destructor and %printer for a symbol.
6060 (default_destructor_set, default_printer_set): New functions to set the
6061 default %destructor and %printer.
6062 * src/symtab.h: Prototype all those new functions.
6063 * tests/actions.at (Default %printer and %destructor): New test to
6064 check that the right %printer and %destructor are called, that they're
6065 not called for $end, and that $$ and @$ work correctly.
6066 (Default %printer and %destructor for user-declared end token): New
6067 test to check that the default %printer and %destructor are called for
6068 a user-declared end token.
6069 * tests/input.at (Default %printer and %destructor redeclared, Unused
6070 values with default %destructor): New tests to check related grammar
6071 warnings and errors.
6072
6073 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6074
6075 Clean up handling of %destructor for the end token (token 0).
6076 Discussed starting at
6077 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
6078 and
6079 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
6080
6081 Make the skeletons consistent in how they pop the end token and invoke
6082 its %destructor.
6083 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
6084 state, which has token number 0, since this would invoke the
6085 %destructor for the end token.
6086 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
6087 until after shifting the end token, or else it won't be popped.
6088 * data/yacc.c (yyparse): Likewise.
6089
6090 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
6091 it's the end token. Upon termination, destroy an unshifted lookahead
6092 even when it's the end token.
6093 * data/lalr1.cc (yy::parser::parse): Likewise.
6094 * data/yacc.c (yyparse): Likewise.
6095
6096 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
6097 value warnings for the end token when the user gives the end token a
6098 %destructor.
6099
6100 * tests/actions.at (Printers and Destructors): Test all the above.
6101
6102 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
6103
6104 Update to latest gnulib and gettext versions.
6105 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
6106 Add fopen-safer.
6107 (gnulib_files): Add m4/warning.m4. Don't worry about files
6108 overwritten by autopoint.
6109 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
6110 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
6111 rejects them.
6112 Don't use autoreconf; instead, invoke autopoint etc. by hand,
6113 so that we can remove the intl files at a better time.
6114 (intl_files_to_remove): Remove aclocal.m4, since it gets
6115 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
6116 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
6117 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
6118 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
6119 Remove datarootdir hack; no longer needed.
6120 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
6121 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
6122 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
6123 strdup.h.
6124 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
6125 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
6126
6127 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
6128
6129 * bootstrap: Adjust to today's change to gnulib-tool by invoking
6130 it with --assume-autoconf='latest-stable'.
6131
6132 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
6133
6134 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
6135 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
6136 YYSTYPE' and `{'.
6137 * src/muscle_tab.h (muscle_grow): Replace the header comments with
6138 those from muscle_tab.c since the old ones are misleading.
6139
6140 2006-07-13 Akim Demaille <akim@epita.fr>
6141
6142 Support %define "KEY" {VALUE}.
6143 * src/scan-code.h, src/scan-code.l (translate_action)
6144 (translate_rule_action, translate_symbol_action, translate_code):
6145 Return char *, not const char *.
6146 * src/parse-gram.y (declaration): Rename as...
6147 (prologue_declaration): this.
6148 (string_content): Remove this nonterminal, use STRING.
6149 (braceless, content, content.opt): New nonterminal.
6150 Use them.
6151 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
6152 as value.
6153 * src/scan-gram.l (getargs.h): Don't include it.
6154
6155 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
6156
6157 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
6158 rather than a for-loop that declares a local bool variable. This
6159 should work around a compatibility problem with a Cray x1e C++
6160 compiler reported by Hung Nguyen in
6161 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
6162 The for-loop was introduced in the 2004-11-17 change but I don't
6163 know why it was needed.
6164
6165 2006-07-12 Akim Demaille <akim@epita.fr>
6166
6167 * data/c.m4: Comment changes.
6168
6169 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
6170
6171 * src/complain.c (error_message, ERROR_MESSAGE): New.
6172 To factor...
6173 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
6174 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
6175
6176 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6177
6178 * NEWS: Instead of %union, you can define and use your own union type
6179 YYSTYPE if your grammar contains at least one <type> tag.
6180 Your YYSTYPE need not be a macro; it can be a typedef.
6181 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
6182 (Union Decl, Decl Summary): Document this.
6183 * data/glr.c (YYSTYPE): Implement this.
6184 * data/glr.cc (YYSTYPE): Likewise.
6185 * data/lalr1.cc (YYSTYPE): Likewise.
6186 * data/yacc.c (YYSTYPE): Likewise.
6187 * src/output.c (prepare): Output tag_seen_flag.
6188 * src/parse-gram.y (declaration, grammar_declaration):
6189 Use 'union_seen' rather than 'typed' to determine whether
6190 %union has been seen, since grammars can now be typed without
6191 %union.
6192 (symbol_declaration, type.opt, symbol_def):
6193 Keep track of whether a tag has been seen.
6194 * src/reader.c (union_seen, tag_seen): New vars.
6195 (typed): remove.
6196 * src/reader.h (union_seen, tag_seen, typed): Likewise.
6197 * src/scan-code.l (untyped_var_seen): New variable.
6198 (handle_action_dollar): Adjust to above changes.
6199 (handle_action_dollar, handle_action_at):
6200 Improve overflow checking for outlandish numbers.
6201 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
6202 avoid new diagnostics generated by above changes.
6203 * tests/regression.at (YYSTYPE typedef): Add test to check
6204 for type tags without %union.
6205
6206 * src/symlist.c (symbol_list_length): Return int, not unsigned
6207 int, since callers expect int. This may need to get revisited
6208 once we have proper integer overflow checking.
6209
6210 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
6211 object is now static.
6212
6213 * src/getargs.c (flags_argmatch): Return void, not int,
6214 to pacify ./configure --enable-gcc-warnings.
6215
6216 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
6217 since last_string is already defined to FLEX_PREFIX (last_string).
6218
6219 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6220
6221 Implement --warnings/-W.
6222 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
6223 replaced by...
6224 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
6225 Adjust callers.
6226 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
6227 (warnings_args, warnings_types): New.
6228 (getargs, short_options, long_options): Accept -W/--warnings.
6229 Sort the options by alphabetical order, upper case letter right
6230 before its lower case.
6231
6232 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
6233
6234 Change %merge result type clash warnings to errors. Discussed at
6235 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
6236 * src/reader.c (record_merge_function_type): Use complain_at.
6237 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6238 declared later): Update test case results.
6239
6240 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6241
6242 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
6243 to be in alphabetical order.
6244 (trace_args): Spelling fixes.
6245
6246 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6247
6248 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
6249 so they don't collide with user-defined macros.
6250 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
6251 this was never guaranteed, and now that we're using gnulib stdint,
6252 which defines int_fast16_t to long int, the problem is exposed.
6253
6254 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
6255
6256 * data/c.m4 (b4_basename): Simplify a bit, since we don't
6257 need the full POSIX semantics (and weren't implementing them
6258 anyway).
6259
6260 Adjust to Autoconf 2.60 and today's gnulib.
6261 * bootstrap (gnulib_modules): Add stdint.
6262 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
6263 no longer copies it.
6264 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
6265 since stdint needs the former and wcwidth (which is now required
6266 by mbswidth) needs the latter.
6267 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
6268 work around a compatibility glitch between gettext 0.14.6 and
6269 Autoconf 2.60.
6270 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
6271 Do not check for uintptr_t, since new stdint module does the right
6272 thing.
6273 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
6274 Add stdint.h, stdint_.h, wcwidth.h.
6275 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
6276 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
6277 stdint.m4, wchar_t.m4, wcwidth.m4.
6278 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
6279 usual order for ../lib/*.h files.
6280 (file_name_split): Use last_component, not base_name, to adjust
6281 to gnulib changes.
6282 * src/parse-gram.h: Include <strverscmp.h> in the usual order
6283 for ../lib/*.h files.
6284 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
6285 Define unconditionally, since we now assume the stdint module.
6286 * src/scan-skel.l: Include <dirname.h>.
6287 (BASE_QPUTS): Use last_component, not base_name.
6288 * src/system.h: Include <unlocked-io.h> in the usual order
6289 for ../lib/*.h files. Include <stdint.h> unconditionally,
6290 since we now use the stdint module.
6291 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
6292 HAVE_UINTPTR_T, since we now use the stdint module.
6293 (base_name): Remove decl, since files now include <dirname.h>
6294 to get the decl.
6295
6296 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6297
6298 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
6299 New, default to 1.
6300 * data/yacc.c, data/glr.c, data/location.cc: Use them.
6301 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
6302 default.
6303 * tests/calc.at: Adjust.
6304
6305 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6306
6307 * data/c.m4 (b4_basename): New.
6308 (b4_syncline): Also output the location of its invocation (from
6309 the skeleton).
6310 (b4_user_action, b4_define_user_action, b4_user_actions)
6311 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
6312 (b4_user_stype): New.
6313 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
6314
6315 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6316
6317 In the grammar file, the first column is 1 not 0 on the first line as
6318 on every other line.
6319 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
6320 * tests/input.at (Torturing the Scanner): Update output.
6321
6322 * src/scan-gram.l (scanner_cursor): Declare it static.
6323
6324 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6325
6326 In warnings, say "previous declaration" rather than "first
6327 declaration".
6328 * src/symtab.c (redeclaration): Do that here.
6329 * src/reader.c (record_merge_function_type): In the case of a result
6330 type clash, report the previous declaration rather than the very first
6331 one in the grammar file.
6332 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6333 declared later): Add a third declaration to check this behavior.
6334 * tests/input.at (Incompatible Aliases): Update output.
6335
6336 2006-06-27 Akim Demaille <akim@epita.fr>
6337
6338 * doc/Doxyfile.in: New.
6339 * doc/Makefile.am: Use it.
6340 * src/lalr.h, src/symtab.h: Initial doxygenation.
6341
6342 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6343
6344 Don't miss %merge result type warnings just because the LHS types are
6345 declared after the %merge. This continues the effort of the previous
6346 patch.
6347 * src/reader.c (get_merge_function): Don't set the merger type yet.
6348 (record_merge_function_type): New function for setting the merger type
6349 and checking for clashes.
6350 (grammar_current_rule_merge_set): Set the location of the %merge for
6351 the current rule.
6352 (packgram): Invoke record_merge_function_type for each rule now that
6353 all symbol type declarations have been parsed.
6354 * src/reader.h (merger_list.type_declaration_location): New member
6355 storing the location of the first %merge from which the type for this
6356 merging function was derived.
6357 * src/symlist.h (symbol_list.merger_declaration_location): New member
6358 storing the location of a rule's %merge, if any.
6359 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6360 declared later): New test to catch the error fixed by the above patch.
6361
6362 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6363
6364 Get action warnings (grammar_rule_check) right even when symbol
6365 declarations appear after the rules. Discussed at
6366 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
6367 and
6368 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
6369 Don't mistake the type of $$ in a midrule to be that of its parent
6370 rule's $$.
6371 * src/reader.c (grammar_current_rule_end): Don't invoke
6372 grammar_rule_check yet since not all symbol declarations may have been
6373 parsed yet.
6374 (grammar_midrule_action): Likewise.
6375 Don't record whether the midrule's $$ has been used yet since actions
6376 haven't been translated yet.
6377 Record the midrule's parent rule and its RHS index within the parent
6378 rule.
6379 (grammar_current_rule_action_append): Don't translate the action yet
6380 since not all symbol declarations may have been parsed yet and, thus,
6381 warnings about types for $$, $n, @$, and @n can't be reported yet.
6382 (packgram): Translate the action and invoke grammar_rule_check now that
6383 all symbol declarations have been parsed.
6384 * src/scan-code.l (handle_action_dollar): Now that this is invoked
6385 after parsing the entire grammar file, the symbol list here in the case
6386 of a midrule is actually the midrule's empty RHS, so reference its
6387 parent rule's RHS where necessary.
6388 On the other hand, now that you can already know it's a midrule, you
6389 aren't forced to think $$ has the same type as its parent rule's $$.
6390 (handle_action_at): In the case of a midrule, reference the parent rule
6391 where necessary.
6392 * src/symlist.c (symbol_list_new): Initialize new midrule-related
6393 members.
6394 (symbol_list_length): Now that this is invoked after all rules have
6395 been parsed, a NULL symbol (rather than a NULL symbol list node)
6396 terminates a rule. symbol_list_print already does this correctly.
6397 * src/symlist.h (symbol_list.midrule_parent_rule,
6398 symbol_list.midrule_parent_rhs_index): New members so that midrules can
6399 remember their relationships with their parents.
6400 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
6401 fixed by the above patch.
6402 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
6403 implementing...
6404 (Unused values): ... this old test case and...
6405 (Unused values before symbol declarations): ... this new test case.
6406 This one is the same as `Unused values' except that all symbol
6407 declarations appear after the rules in order to catch the rest of the
6408 errors fixed by the above patch.
6409
6410 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6411
6412 More cleanup.
6413 * src/reader.c (current_rule): Declare it static since it's no longer
6414 used outside this file.
6415 (grammar_current_rule_action_append): Remove redundant arguments from
6416 translate_rule_action invocation.
6417 * src/reader.h (current_rule): Remove this unused extern.
6418 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
6419 * src/scan-code.l (translate_rule_action): Likewise.
6420
6421 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
6422
6423 Clean up yesterday's patch.
6424 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
6425 to...
6426 * src/reader.c (grammar_current_rule_action_append): ... here for
6427 consistency with grammar_current_rule_symbol_append.
6428 * tests/regression.at (Braced code in declaration in rules section):
6429 Make yyerror and yylex static as usual.
6430
6431 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
6432
6433 Fix bug that mistakes braced code in a declaration in the rules section
6434 to be a rule action. Mentioned at
6435 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
6436 * src/scan-gram.l: Move midrule action detection from the start of the
6437 scanning of any braced code to...
6438 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
6439 action. For readability, use $2 and @2 rather than the equivalent
6440 global variables.
6441 * tests/regression.at (Braced code in declaration in rules section):
6442 New test to catch the error fixed by the above patch.
6443
6444 Work on code readability some.
6445 * src/scan-code.l (current_rule): Get rid of this misleading and
6446 redundant declaration: it's actually extern'ed in reader.h.
6447 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
6448 translate_action): Add a rule argument and use it instead of the global
6449 current_rule.
6450 (translate_rule_action): This already receives current_rule through an
6451 argument, so pass it on to translate_action instead of assigning
6452 current_rule to current_rule.
6453 (translate_symbol_action, translate_code): Pass rule = NULL to
6454 translate_action.
6455
6456 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
6457
6458 Rename %before-definitions to %start-header and %after-definitions to
6459 %end-header. Don't use these declarations to separate pre-prologue
6460 blocks from post-prologue blocks. Add new order-independent
6461 declarations %before-header and %after-header as alternatives to the
6462 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
6463 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
6464 * NEWS (2.3+): Update for these changes.
6465 * data/glr.c (b4_before_definitions): Update to...
6466 (b4_start_header): ... this.
6467 (b4_after_definitions): Update to...
6468 (b4_end_header): ... this.
6469 * data/glr.cc: Likewise.
6470 * data/lalr1.cc: Likewise.
6471 * data/yacc.c: Likewise.
6472 * doc/bison.texinfo (The prologue): Update names, and replace remaining
6473 prologue blocks with %*-header declarations.
6474 (Calc++ Parser): Likewise.
6475 (Decl Summary): Update names.
6476 (Table of Symbols): Update description.
6477 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
6478 (PERCENT_END_HEADER): ... this.
6479 (PERCENT_BEFORE_DEFINITIONS): Update to...
6480 (PERCENT_START_HEADER): ... this.
6481 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6482 (declaration): Update token names and m4 macro names.
6483 When parsing %end-header and %start-header, invoke translate_code
6484 before muscle_code_grow, and no longer set global booleans to remember
6485 whether these declarations have been seen.
6486 Parse new %after-header and %before-header.
6487 * src/reader.c (before_definitions, after_definitions): Remove.
6488 (prologue_augment): Accept a new bool argument to specify whether to
6489 augment the pre-prologue or post-prologue.
6490 * src/reader.h (before_definitions, after_definitions): Remove these
6491 extern's.
6492 (prologue_augment): Add new bool argument.
6493 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
6494 (PERCENT_END_HEADER): ... this.
6495 (PERCENT_BEFORE_DEFINITIONS): Update to...
6496 (PERCENT_START_HEADER): ... this.
6497 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6498 * tests/actions.at (Printers and Destructors): Update names.
6499
6500 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
6501
6502 Add comparison operators for C++ location classes. Discussed at
6503 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
6504 * data/c++.m4 (b4_define_location_comparison): New boolean %define
6505 declaration indicating whether filename_type has an operator==. If
6506 filename_type is `std::string', it defaults to `1', `0' otherwise.
6507 * data/location.cc: Iff b4_define_location_comparison is `1', add
6508 operator== and operator!= for class position and for class location.
6509
6510 Some minor fixes.
6511 * src/scan-action.l: Remove unused file.
6512 * src/symtab.c (symbol_printer_set): Use printer_location not
6513 destructor_location.
6514 * src/symtab.h (struct symbol): Replace incorrect source comment for
6515 printer members.
6516 * tests/input.at (Incompatible Aliases): Update output with correct
6517 printer location.
6518
6519 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
6520
6521 Don't put the pre-prologue in the header file. For the yacc.c code
6522 file and the glr.c header and code files, move the pre-prologue before
6523 the token definitions. Add new %before-definitions and
6524 %after-definitions to declare code that will go in both the header file
6525 and code file. Discussed at
6526 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
6527 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
6528 and
6529 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
6530 * NEWS (2.3+): Describe these changes.
6531 * data/glr.c (b4_pre_prologue): Move from within to before...
6532 (b4_shared_declarations): ... this.
6533 Add new b4_before_definitions before b4_token_enums.
6534 Add new b4_after_definitions at the end.
6535 * data/glr.cc (b4_pre_prologue): Replace with...
6536 (b4_before_definitions): ... this in the header file.
6537 (b4_after_definitions): New near the end of the header file.
6538 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
6539 code file right before including the header file.
6540 (b4_before_definitions): New in the previous position of
6541 b4_pre_prologue in the header file.
6542 (b4_after_definitions): New near the end of the header file.
6543 * data/yacc.c: Clean up some m4 quoting especially in the header file.
6544 (b4_token_enums_defines): In the code file, move to right before
6545 YYSTYPE for consistency with the header file.
6546 (b4_before_definitions): New right before b4_token_enums_defines in
6547 both the header and code file.
6548 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
6549 header and code file.
6550 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
6551 of prologues for %union dependencies.
6552 (Decl Summary): In %defines description, mention the effect of
6553 %before-definitions and %after-definitions on the header file.
6554 (Calc++ Parser): Forward declare driver in a %before-definitions rather
6555 than in the pre-prologue so that make check succeeds.
6556 (Table of Symbols): Add entries for %before-definitions and
6557 %after-definitions.
6558 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
6559 %before-definitions.
6560 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
6561 (declaration): Parse those declarations and append to
6562 b4_before_definitions and b4_after_definitions, respectively.
6563 * src/reader.c (before_definitions, after_definitions): New bools to
6564 track whether those declarations have been seen.
6565 (prologue_augment): Add to the post-prologue if %union,
6566 %before-definitions, or %after-definitions has been seen.
6567 * src/reader.h (before_definitions, after_definitions): New extern's.
6568 * src/scan-gram.l: Scan the new declarations.
6569 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
6570 prologue block in a %before-definitions or a %after-definitions based
6571 on whether the %union is declared.
6572 * tests/regression.at (Early token definitions with --yacc, Early token
6573 definitions without --yacc): Move tests for token definitions into the
6574 post-prologue since token names are no longer defined in the
6575 pre-prologue.
6576
6577 2006-06-20 Akim Demaille <akim@epita.fr>
6578
6579 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
6580 (symbol_get): Use it.
6581 * src/parse-gram.y: Use it.
6582
6583 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
6584
6585 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
6586 build succeeds when configured with --enable-gcc-warnings.
6587
6588 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
6589
6590 * src/parse-gram.y (char_name): New function.
6591 (CHAR, STRING, string_content): For %printer, properly escape.
6592 (ID): Prefer fputs to fprintf.
6593 (id): Reindent to be consistent with other rules.
6594 Properly quote char.
6595
6596 The Translation Project changed its way of publishing translations
6597 to maintainers. I haven't received any responses to my request
6598 for supporting the old way, or for documenting the new way. I
6599 have modified 'bootstrap' to use screen scraping
6600 (in this case, HTML scraping). This is unreliable and inelegant,
6601 but I don't see any better way. Yuck.
6602 * bootstrap (TP_URL, WGET_COMMAND): New vars.
6603 (get_translations): New function, which uses HTML scraping to
6604 deduce locations of latest translations.
6605 Use this function to grab both bison and bison-runtime .po files.
6606 Don't bother priming the pump for the runtime-po domain any more,
6607 as it's now translated better than bison is.
6608
6609 2006-06-19 Akim Demaille <akim@epita.fr>
6610
6611 * src/scan-gram.l: No longer "parse" things after `%union' until
6612 `{'. Rather, return a single "%union" token.
6613 No longer make symbols: return strings, and leave the conversion
6614 to symbols to the parser.
6615 (SC_PRE_CODE, token_type): Remove.
6616 * src/parse-gram.y (%union): New field `character'.
6617 Sort tokens.
6618 (CHAR): New token.
6619 (ID, ID_COLON): Now that the scanner no longer makes them
6620 identifiers, adjust all uses to invoke symbol_get.
6621 (id_colon): New, wraps the conversion from string to symbol.
6622 (%union): Accept a possible union_name.
6623 (symbol): Now can be a char.
6624 * data/c.m4 (b4_union_name): Leave a default value.
6625 * data/glr.c, data/yacc.c: Use it.
6626
6627 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
6628
6629 For associating token numbers with token names for "yacc.c", don't use
6630 #define statements unless `--yacc' is specified; always use enum
6631 yytokentype. Most important discussions start at:
6632 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
6633 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
6634 and
6635 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
6636 * NEWS (2.3+): Mention.
6637 * data/c.m4 (b4_yacc_if): New.
6638 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
6639 token #define's.
6640 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
6641 on token name definitions.
6642 * src/getargs.c (usage): Capitalize `Yacc' in English.
6643 * src/output.c (prepare): Define b4_yacc_flag.
6644 * tests/regression.at (Early token definitions): Test that tokens names
6645 are defined before the pre-prologue not just before the post-prologue.
6646 Remove this test case and copy to...
6647 (Early token definitions with --yacc): ... this to test #define's.
6648 (Early token definitions without --yacc): ... and this to test enums.
6649
6650 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
6651
6652 * NEWS: Reword the post-2.3 change to not be so optimistic about
6653 removing the old "look-ahead" spelling.
6654 Update previous look-ahead/lookahead change reports.
6655 * REFERENCES: look-ahead -> lookahead (since that's
6656 what he actually wrote).
6657 * doc/refcard.tex: look ahead -> lookahead,
6658 look-ahead -> lookahead
6659
6660 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
6661
6662 For consistency, use `lookahead' instead of `look-ahead' or
6663 `look_ahead'. Discussed starting at
6664 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
6665 and then at
6666 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
6667 * NEWS: For the next release, note the change to `--report'.
6668 * TODO, doc/bison.1: Update English.
6669 * doc/bison.texinfo: Update English.
6670 (Understanding Your Parser, Bison Options): Document as
6671 `--report=lookahead' rather than `--report=look-ahead'.
6672 * src/conflicts.c: Update English in comments.
6673 (lookahead_set): Rename from look_ahead_set.
6674 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
6675 (resolve_sr_conflict): Rename local look_ahead_tokens to
6676 lookahead_tokens, and update other uses.
6677 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
6678 count_rr_conflicts, conflicts_free): Update uses.
6679 * src/getargs.c (report_args): Move "lookahead" before alternate
6680 spellings.
6681 (report_types): Update uses.
6682 (usage): For `--report' usage description, state `lookahead' spelling
6683 rather than `look-ahead'.
6684 * src/getargs.h (report.report_lookahead_tokens): Rename from
6685 report_look_ahead_tokens.
6686 * src/lalr.c: Update English in comments.
6687 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
6688 (state_lookahead_tokens_count): Rename from
6689 state_look_ahead_tokens_count.
6690 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6691 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
6692 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6693 Update other uses.
6694 Update English in output.
6695 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
6696 * src/print.c: Update English in comments.
6697 (lookahead_set): Rename from look_ahead_set.
6698 (print_reduction): Rename argument lookahead_token from
6699 look_ahead_token.
6700 (print_core, state_default_rule, print_reductions, print_results):
6701 Update uses.
6702 * src/print_graph.c: Update English in comments.
6703 (print_core): Update uses.
6704 * src/state.c: Update English in comments.
6705 (reductions_new): Update uses.
6706 (state_rule_lookahead_tokens_print): Rename from
6707 state_rule_look_ahead_tokens_print, and update other uses.
6708 * src/state.h: Update English in comments.
6709 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
6710 (state_rule_lookahead_tokens_print): Rename from
6711 state_rule_look_ahead_tokens_print.
6712 * src/tables.c: Update English in comments.
6713 (conflict_row, action_row): Update uses.
6714 * tests/glr-regression.at
6715 (Incorrect lookahead during deterministic GLR,
6716 Incorrect lookahead during nondeterministic GLR): Rename
6717 print_look_ahead to print_lookahead.
6718 * tests/torture.at: Update English in comments.
6719 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
6720 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
6721 (Many lookahead tokens): Update uses.
6722 * data/glr.c: Update English in comments.
6723 * lalr1.cc: Likewise.
6724 * yacc.c: Likewise.
6725 * src/conflicts.h: Likewise.
6726 * src/lalr.h: Likewise.
6727 * src/main.c: Likewise.
6728 * src/output.c: Likewise.
6729 * src/parse-gram.c: Likewise.
6730 * src/tables.h: Likewise.
6731 * tests/calc.at: Likewise.
6732
6733 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
6734
6735 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
6736
6737 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
6738
6739 * TODO: Add request from Nelson H. F. Beebe to be able to install
6740 Bison without installing the yacc script.
6741
6742 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6743
6744 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
6745 and yytext if they're already #define'd.
6746 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
6747 * src/scan-code-c.c: ... here.
6748 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
6749 <config.h>.
6750
6751 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6752
6753 Get Bison to build again when configured with --enable-gcc-warnings.
6754 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
6755 missing #include's.
6756 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
6757 loc argument as it shadows a global.
6758 * src/scan-gram.l: Remove stray comma that prevents boundary_set
6759 invocation.
6760
6761 * src/.cvsignore: Add scan-code.c.
6762
6763 2006-06-07 Akim Demaille <akim@epita.fr>
6764
6765 * src/scan-gram.l: Move the "add a trailing ; to actions" code
6766 to...
6767 * src/scan-code.l: here.
6768 * tests/input.at (Torturing the Scanner): Fix another location
6769 error.
6770
6771 2006-06-07 Akim Demaille <akim@epita.fr>
6772
6773 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
6774
6775 2006-06-06 Akim Demaille <akim@epita.fr>
6776
6777 Extract the parsing of user actions from the grammar scanner.
6778 As a consequence, the relation between the grammar scanner and
6779 parser is much simpler. We can also split "composite tokens" back
6780 into simple tokens.
6781 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
6782 * src/scan-gram.l (add_column_width, adjust_location): Move to and
6783 rename as...
6784 * src/location.h, src/location.c (add_column_width)
6785 (location_compute): these.
6786 Fix the column count: the initial column is 0.
6787 (location_print): Be robust to ending column being 0.
6788 * src/location.h (boundary_set): New.
6789 * src/main.c: Adjust to scanner_free being renamed as
6790 gram_scanner_free.
6791 * src/output.c: Include scan-code.h.
6792 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
6793 Use boundary_set.
6794 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
6795 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
6796 which is now, again, a separate token.
6797 Adjust all dependencies.
6798 Whereever actions with $ and @ are used, use translate_code.
6799 (action): Remove this nonterminal which is now useless.
6800 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
6801 (grammar_current_rule_action_append): Use translate_code.
6802 (packgram): Bound check ruleno, itemno, and rule_length.
6803 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
6804 (last_string, last_braced_code_loc, max_left_semantic_context)
6805 (scanner_initialize, scanner_free, scanner_last_string_free)
6806 (gram_out, gram_lineno, YY_DECL_): Move to...
6807 * src/scan-gram.h: this new file.
6808 (YY_DECL): Rename as...
6809 (GRAM_DECL): this.
6810 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
6811 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6812 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6813 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6814 Move these declarations, and...
6815 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
6816 these to...
6817 * src/flex-scanner.h: this new file.
6818 * src/scan-gram.l (rule_length, rule_length_overflow)
6819 (increment_rule_length): Remove.
6820 (last_braced_code_loc): Rename as...
6821 (gram_last_braced_code_loc): this.
6822 Adjust to the changes of the parser.
6823 Move all the handling of $ and @ into...
6824 * src/scan-code.l: here.
6825 * src/scan-gram.l (handle_dollar, handle_at): Remove.
6826 (handle_action_dollar, handle_action_at): Move to...
6827 * src/scan-code.l: here.
6828 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
6829 scan-code.h, scan-code-c.c, scan-gram.h.
6830 (EXTRA_bison_SOURCES): Add scan-code.l.
6831 (BUILT_SOURCES): Add scan-code.c.
6832 (yacc): Be robust to white spaces.
6833
6834 * tests/conflicts.at, tests/input.at, tests/reduce.at,
6835 * tests/regression.at: Adjust the column numbers.
6836 * tests/regression.at: Adjust the error message.
6837
6838 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6839
6840 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6841 Use Akim's wording from
6842 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
6843
6844 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6845
6846 Between Bison releases, manually append `+' to the previous Bison
6847 release number, and use that as a signal to automatically print the
6848 ChangeLog's CVS Id keyword from --version. Discussed starting at
6849 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
6850 * ChangeLog: Add Id header.
6851 * configure.ac (AC_INIT): Append `+' to `2.3'.
6852 * src/.cvsignore: Add revision.c.
6853 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
6854 (BUILT_SOURCES): Add revision.c.
6855 (revision.c): New target rule. This file defines a new global variable
6856 named revision. It initializes it with either the Id from ChangeLog
6857 or, if VERSION doesn't contain `+', with the empty string.
6858 * src/getargs.c (version): Print the value of revision.
6859 * src/revision.h: Extern revision.
6860
6861 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
6862
6863 * NEWS: Version 2.3.
6864 * configure.ac (AC_INIT): Likewise.
6865
6866 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
6867
6868 * data/glr.c (YYRECOVERING): Define to be a function-like macro
6869 with no arguments, not as an object-like macro. This is for
6870 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
6871 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
6872 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
6873 Document this.
6874
6875 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
6876
6877 * src/getargs.c (usage): Back out yesterday's modification of the
6878 --help output so that we don't have to wait for translation before
6879 releasing 2.3.
6880
6881 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
6882
6883 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
6884 Problem reported by Akim Demaille.
6885
6886 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
6887
6888 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6889
6890 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
6891
6892 * data/yacc.c (yy_reduce_print): Omit trailing white space in
6893 generated source code. Problem reported by Frans Englich in
6894 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
6895
6896 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
6897
6898 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
6899 shell, not within 'make', so that 'make' by an ordinary builder
6900 (using GNU make) does not worry about configuring gzip. This also
6901 works around a bug reported independently by Keith Thompson and by
6902 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
6903 stderr rather than stdout, messing up the build logs.
6904
6905 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
6906
6907 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
6908 to make sure that YYID will never be unused. This fixes a 'make
6909 maintainer-check' failure caused by the recent changes to the 'Trivial
6910 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
6911 not used.
6912 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
6913
6914 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
6915
6916 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
6917 state before an empty RHS is always resolved here. Only the location
6918 of that state is guaranteed to be resolved, and that's enough. This
6919 fixes the remaining bug reported by Derek M. Jones in
6920 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
6921 * tests/glr-regression.at (Uninitialized location when reporting
6922 ambiguity): Test the above case.
6923 Also, the embedded comments in this test case claim it checks the case
6924 of an empty RHS that has inherited the initial location. However, the
6925 corresponding LHS was already resolved, so yyresolveLocations didn't
6926 actually have reason to modify it. Fix this by forcing
6927 nondeterministic operation at the beginning of the parse.
6928
6929 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
6930
6931 * data/c.m4 (b4_yy_symbol_print_generate):
6932 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
6933 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
6934 of the bugs reported today by Derek M Jones in
6935 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
6936 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
6937 defined to be a type name without parens or brackets.
6938 (Location Type): Similarly for YYLTYPE.
6939 * tests/regression.at (Trivial grammars): Put in a test for this
6940 bug that will be caught by 'make maintainer-check' (though not,
6941 alas, by 'make check' unless your compiler is picky).
6942
6943 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
6944
6945 * NEWS: Version 2.2.
6946 * configure.ac (AC_INIT): Likewise.
6947
6948 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
6949
6950 * data/glr.c (yyreportTree): Make room in yystates for the state
6951 preceding the RHS. This fixes the segmentation fault reported by Derek
6952 M. Jones in
6953 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
6954 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
6955 to the user. Reported for yyreportTree by Derek M. Jones later in the
6956 same thread.
6957 * THANKS: Add Derek M. Jones.
6958 Update my email address.
6959 Fix typo in Steve Murphy's name.
6960
6961 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
6962
6963 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
6964 checking against YYLAST that caused the parser to miss a potential
6965 alternative in its diagnostic.
6966 Problem reported by Maria Jose Moron Fernandez in
6967 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
6968 * data/lalr1.cc (yysyntax_error_): Likewise.
6969 * data/yacc.c (yysyntax_error): Likewise.
6970 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
6971 tokens, in case we run into an older C compiler.
6972 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
6973 Use them to check for the off-by-one error fixed above.
6974
6975 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
6976 YYSIZE_T, not size_t.
6977 * tests/regression.at (Trivial grammars): New test, to catch
6978 the error fixed by the above patch.
6979
6980 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6981
6982 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
6983 scheme.
6984 Reported by Steve Murphy.
6985
6986 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6987
6988 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
6989 * data/glr.cc: b4_location_flag is now b4_locations_flag.
6990
6991 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6992
6993 Implement --trace=m4.
6994 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
6995 * src/output.c (output_skeleton): When set, pass -dV to m4.
6996
6997 Factor the handling of flags in m4.
6998 * src/output.c (prepare): Rename the muscle names debug, defines,
6999 error_verbose to debug_flag, defines_flag, error_verbose_flag.
7000 * data/c.m4: Adjust.
7001 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
7002 Use b4_define_flag_if to define other b4_FLAG_if macros.
7003 (b4_location_if): As a consequence, rename as...
7004 (b4_locations_if): this, for consistency.
7005 Adjust all the skeletons.
7006
7007 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7008
7009 * etc/bench.pm: Shorten bench names.
7010
7011 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7012
7013 * src/output.h, src/output.c (error_verbose): Move to...
7014 * src/getargs.h, src/getargs.c: here.
7015 Sort the flags.
7016 Adjust dependencies.
7017
7018 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
7019
7020 * data/c.m4 (b4_copyright): Put the special exception for Bison
7021 skeletons here, so we don't have to put it in each skeleton. All
7022 uses changed. Suggested by Akim Demaille. Also, wrap the
7023 copyright notice, in case it is longer than 80 columns. Replace
7024 comma by newline after title.
7025
7026 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
7027
7028 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
7029 incompatibility, not a bug. Mention that it wasn't fixed as of
7030 flex 2.5.33.
7031
7032 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7033
7034 * examples/extexi: Enforce the precedence of concatenation over
7035 >>.
7036 Reported by Tommy Nordgren.
7037
7038 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7039
7040 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
7041 with the member "token".
7042 Reported by Martin Nylin.
7043
7044 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
7045
7046 * data/glr.c: Switch to Bison 2.2 special-exception language in
7047 the copyright notice. Use more-regular format for titles and
7048 copyright notices.
7049 * data/glr.cc: Likewise.
7050 * data/location.cc: Likewise.
7051 * data/yacc.cc: Likewise.
7052 * doc/bison.texinfo (Conditions): Document this.
7053 * NEWS: likewise. Upgrade version to 2.2.
7054
7055 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
7056
7057 * data/glr.cc: Remove dead code.
7058
7059 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
7060
7061 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
7062 that variable and the line breaks the bootstrap. Problem reported
7063 by Juan M. Guerrero.
7064
7065 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7066
7067 * doc/bison.texinfo (Multiple start-symbols): New.
7068
7069 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7070
7071 * etc/README, etc/bench.pl: New.
7072
7073 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
7074
7075 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
7076 rule.
7077 Reported by Mickael Labau.
7078 * tests/input.at (Torturing the Scanner): Test it.
7079
7080 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
7081
7082 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
7083 Problem reported by Bob Rossi.
7084
7085 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
7086
7087 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
7088 and didn't really work.
7089 For the index, use @ifnotinfo, not @iftex.
7090 Minor cleanups of spacing and terminology.
7091
7092 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7093
7094 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
7095 of AT_NAME_PREFIX when %name-prefix is not used.
7096
7097 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7098
7099 Apply --prefix to C++ skeletons too: they change the namespace.
7100 The test suite already exercize these cases.
7101 * data/c++.m4 (b4_namespace): New.
7102 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
7103 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
7104 * data/yacc.c, data/glr.c: Remove a useless `[]'.
7105 * doc/bison.texinfo: Document it.
7106 (Option Cross Key): Use @multitable in all formats. It looks
7107 nicer, even in TeX outputs.
7108 (Rules): Use the same code whatever the output type is.
7109 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
7110 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
7111 * tests/calc.at: Use it, instead of hard coding `yy'.
7112
7113 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7114
7115 * TODO: Remove dead items.
7116
7117 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7118
7119 * doc/FAQ: Remove, merged into...
7120 * doc/bison.texinfo (FAQ): this.
7121 * doc/Makefile.am (EXTRA_DIST): Adjust.
7122
7123 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7124
7125 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
7126 even if empty.
7127 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
7128 * doc/bison.texinfo (Calc++ Scanner): Use it.
7129
7130 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
7131
7132 Fix two nits reported by twlevo, plus one more that I discovered.
7133
7134 * src/assoc.h (assoc_to_string): Give a name to the arg, as
7135 this is the usual Bison style.
7136 * src/location.h (location_print): Likewise.
7137
7138 * src/reader.h (token_name): Likewise.
7139
7140 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
7141
7142 Fix some nits reported by twlevo.
7143 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
7144 and "POSIX". Use more-modern syntax for URLs. Mention C++
7145 and ask for Java. Don't hardwire OS version numbers. Add
7146 copyright notice.
7147 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
7148 * src/conflicts.c (solved_conflicts_obstack): Now static.
7149
7150 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
7151
7152 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
7153 page. Say "you can use it" not "you may use it" as on the web page;
7154 we're describing capabilities not granting permission.
7155
7156 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
7157
7158 * data/glr.c (yyresolveLocations): Rename local variables to avoid
7159 shadowing warnings. Use usual patter for iterating through RHS.
7160 * tests/glr-regression.at
7161 (Uninitialized location when reporting ambiguity):
7162 Modify yylex so that it uses its argument, rather than trying
7163 to rely on ARGSUSED (which doesn't work for gcc with warnings).
7164 const char -> char const.
7165
7166 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
7167 Don't use tabs inside commands; it messes up 'ps'.
7168 Problem reported by twlevo.
7169
7170 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
7171
7172 * tests/glr-regression.at (Uninitialized location when reporting
7173 ambiguity): New test case.
7174 * data/glr.c (yyresolveLocations): New function, which uses
7175 YYLLOC_DEFAULT.
7176 (yyresolveValue): Invoke yyresolveLocations before reporting an
7177 ambiguity.
7178 * doc/bison.texinfo (Default Action for Locations): Note
7179 YYLLOC_DEFAULT's usage for ambiguity locations.
7180 (GLR Semantic Actions): Cross-reference those notes.
7181
7182 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
7183
7184 * tests/glr-regression.at (Leaked semantic values when reporting
7185 ambiguity): Remove unnecessary union and type declarations.
7186 (Leaked lookahead after nondeterministic parse syntax error): New test
7187 case.
7188 * data/glr.c (yyparse): Check for zero stacks remaining before
7189 attempting to shift the lookahead so that you don't lose it.
7190
7191 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7192
7193 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
7194 * tests/glr-regression.at (Leaked semantic values when reporting
7195 ambiguity): New test case.
7196 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
7197 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
7198 now unnecessary yystackp parameter.
7199 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
7200 destructors can be called.
7201
7202 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
7203 in existing testcases.
7204
7205 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7206
7207 Don't leak semantic values for parent RHS when a user action cuts the
7208 parser, and clean up related code a bit.
7209 * tests/glr-regression.at (Leaked merged semantic value if user action
7210 cuts parse): Rename to...
7211 (Leaked semantic values if user action cuts parse): ... this. Add check
7212 for leaked parent RHS values.
7213 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
7214 between an unresolved state (non-empty chain of semantic options) and
7215 an incomplete one (signaled by an empty chain).
7216 (yyresolveStates): Document the interface. Move all manipulation of a
7217 successfully or unsuccessfully resolved yyGLRState to...
7218 (yyresolveValue): ... here so that yyresolveValue always leaves a
7219 yyGLRState with consistent data and thus is easier to understand.
7220 Remove the yyvalp and yylocp parameters since they are always just
7221 taken from the yys parameter. When reporting a discarded merged value
7222 in debugging output, note that it is incompletely merged. Document the
7223 interface.
7224 (yyresolveAction): If resolving any of the RHS states fails, destroy
7225 them all rather than leaking them. Thus, as long as user actions are
7226 written to clean up the RHS correctly, yyresolveAction always cleans up
7227 the RHS of a semantic option. Document the interface.
7228
7229 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
7230
7231 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
7232 led to a segmentation fault in GNU Pascal. Problem reported
7233 by Waldek Hebisch.
7234
7235 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
7236
7237 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
7238 mid-rule action inside a nonterminal symbol in order to declare a
7239 destructor for its semantic value.
7240
7241 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
7242
7243 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
7244 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
7245 __cplusplus && ! defined _STDLIB_H && !
7246 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
7247 defined free))]: Include <stdlib.h> rather than rolling our own
7248 declarations of malloc and free, to avoid problems with
7249 incompatible declarations (using 'throw') C++'s stdlib.h. This
7250 should fix Debian bug 340012
7251 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
7252 reported by Guillaume Melquiond.
7253
7254 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7255
7256 * NEWS: Clarify symbols versus types in unused-value warnings.
7257
7258 * configure.ac (AC_INIT): Bump version number.
7259
7260 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7261
7262 * NEWS: Version 2.1a.
7263 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
7264 since C99 requires this.
7265
7266 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
7267
7268 * m4/c-working.m4: New file.
7269 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
7270
7271 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
7272
7273 * Makefile.maint: Merge from coreutils.
7274
7275 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
7276
7277 More portability fixes for problems summarized by Nelson H. F. Beebe.
7278
7279 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
7280 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
7281 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
7282 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
7283 messes up because C++ code is compiled in 32-bit mode but linked
7284 in 64-bit mode.
7285
7286 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
7287
7288 More portability fixes for problems summarized by Nelson H. F. Beebe.
7289
7290 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
7291 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
7292
7293 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
7294 nodist_PROGRAMS, since we don't need to actually compile the
7295 example if we're just doing a plain 'make'. This avoids bothering
7296 the installer unnecessarily about problems due to weird C++
7297 compilers.
7298
7299 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
7300
7301 More portability fixes for problems summarized by Nelson H. F. Beebe.
7302
7303 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
7304 than #include "...", and compile with -I'.'. The old method was
7305 not portable, according to Posix and the C standard, and it does
7306 not work with Sun C 5.7, where previous #line directives affect
7307 the working directory used in later #include "..." directives.
7308
7309 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7310
7311 Various DJGGP specific issues in /djgpp
7312
7313 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
7314
7315 More portability fixes for problems summarized by Nelson H. F. Beebe.
7316
7317 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
7318 '#include <map>' works and that you can apply ++ to iterators.
7319
7320 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
7321
7322 Work around portability problems summarized by Nelson H. F. Beebe in
7323 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
7324
7325 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7326 that '#include <string>' works.
7327
7328 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
7329 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
7330 "warning: sorry: semantics of inline function static data `const
7331 unsigned char translate_table[262]' are wrong (you'll wind up with
7332 multiple copies)".
7333
7334 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
7335 or, xor to not_, and_, or_, and xor_, respectively. This works
7336 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
7337 random system header somewhere that includes the equivalent of
7338 <iso646.h>.
7339
7340 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
7341 -E" works; it apparently doesn't work with PathScale EKO Compiler
7342 Suite Version 2.0.
7343
7344 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
7345
7346 During deterministic GLR operation, user actions should be able to
7347 influence the parse by changing yychar. To make this easier to fix and
7348 to make glr.c easier to evolve in general, don't maintain yytoken in
7349 parallel with yychar; just compute yytoken when needed.
7350 * tests/glr-regression.at (Incorrect lookahead during deterministic
7351 GLR): Check that setting yychar in a user action has the intended
7352 effect.
7353 * data/glr.c (yyGLRStack): Remove yytokenp member.
7354 (yyclearin): Don't set *yytokenp.
7355 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
7356 yychar rather than *yytokenp to determine the current lookahead.
7357 Compute yytoken locally when needed.
7358 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
7359 point to.
7360
7361 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
7362 after `--report' documentation.
7363
7364 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
7365
7366 * src/parse-gram.y (grammar_declaration): Location of printer
7367 symbol is @1, not list->location. Bug reported by twlevo.
7368 * tests/input.at (Incompatible Aliases): Adjust to above change.
7369
7370 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
7371
7372 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
7373 all the test at once. This makes the output easier to read in the
7374 normal case.
7375
7376 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
7377 got from <http://bro-ids.org/download.html>. The bug is that
7378 when two actions appeared in succession, the second one was
7379 scanned before the first one was added to the grammar rule
7380 as a midrule action. Bison then output the incorrect warning
7381 "parse.y:905.17-906.36: warning: unused value: $3".
7382 * src/parse-gram.y (BRACED_CODE, action): These are no longer
7383 associated with a value.
7384 (rhs): Don't invoke grammar_current_rule_action_append.
7385 (action): Invoke it here instead.
7386 * src/reader.c (grammar_midrule_action): Now extern.
7387 (grammar_current_rule_action_append): Don't invoke
7388 grammar_midrule_action; that is now the scanner's job.
7389 * src/reader.h (last_string, last_braced_code_loc):
7390 (grammar_midrule_action): New decls.
7391 * src/scan-gram.l (last_string): Now extern, sigh.
7392 (last_braced_code_loc): New extern variable.
7393 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
7394 rule already has an action.
7395 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
7396 * tests/input.at (AT_CHECK_UNUSED_VALUES):
7397 Add some tests to check that the above changes fixed the bug.
7398
7399 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
7400
7401 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
7402 All used changed. Check whether the symbol has a destructor,
7403 not whether it is typed.
7404 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
7405 that the values are still reported as unused. All line numbers
7406 adjusted.
7407
7408 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
7409
7410 Work around a bug in bro 0.8, which underparenthesizes its
7411 definition of YYLLOC_DEFAULT.
7412 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
7413 their arguments.
7414 * data/lalr1.cc: Likewise.
7415 * data/yacc.cc: Likewise.
7416
7417 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
7418
7419 Work around a bug in Pike 7.0, and give the Pike folks a
7420 better way to override the usual int widths.
7421 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
7422 user can override the types.
7423 (short): #undef, to work around a bug in Pike 7.0.
7424 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
7425 (union yyalloc.yyss): Use yytype_int16 rather than short.
7426 All uses changed.
7427 (yysigned_char): Remove.
7428 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
7429 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
7430 * tests/regression.at (Web2c Actions): Adjust to above changes.
7431
7432 * src/reader.c (check_and_convert_grammar): New function.
7433 (reader): Close the input file even if something went wrong during
7434 parsing. Minor file descriptor leak reported by twlevo.
7435
7436 * src/assoc.c (assoc_to_string): Use a default: abort (); case
7437 to pacify gcc -Wswitch-default.
7438 * src/scan-gram.l (adjust_location): Use a default: break; case
7439 to pacify gcc -Wswitch-default.
7440 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
7441 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7442 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7443 Move these decls to scan-skel.l, since they don't need to be
7444 visible elsewhere.
7445 * src/scan-skel.l: Accept the above decls.
7446 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
7447 is used.
7448
7449 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
7450
7451 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
7452 since we don't want to insist on a version number at the start
7453 of the changelog every time.
7454 * Makefile.maint: Sync from coreutils a bit better.
7455 (sc_trailing_blank): Renamed from sc_trailing_space.
7456 All uses changed.
7457 (sc_no_if_have_config_h, sc_require_config_h):
7458 (sc_prohibit_assert_without_use): New rules.
7459 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
7460 (sc_dd_max_sym_length): Fix leading spaces in rule.
7461 (sc_system_h_headers): Prefix with @.
7462 (sc_useless_cpp_parens, m4-check): Output line numbers.
7463 (changelog-check): Allow version only in head.
7464 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
7465 satisfy new Makefile.maint rule.
7466 * data/glr.c: Likewise.
7467 * data/glr.cc: Likewise.
7468 * data/lalr1.cc: Likewise.
7469 * data/yacc.c: Likewise.
7470 * lib/ebitsetv.c: Likewise.
7471 * lib/lbitset.c: Likewise.
7472 * lib/subpipe.c: Likewise.
7473 * lib/timevar.c: Likewise.
7474 * src/system.h: Likewise.
7475 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
7476 * djgpp/Makefile.maint: Add copyright notice.
7477 * djgpp/README.in: Likewise.
7478 * djgpp/config.bat: Likewise.
7479 * djgpp/config.site: Likewise.
7480 * djgpp/config_h.sed: Likewise.
7481 * djgpp/djunpack.bat: Likewise.
7482 * djgpp/config.sed: Fix copyright notice to match standard format.
7483 * djgpp/subpipe.h: Likewise.
7484 * lib/bitsetv-print.c: Likewise.
7485 * lib/bitsetv.c: Likewise.
7486 * lib/subpipe.h: Likewise.
7487 * lib/timevar.c: Likewise.
7488 * lib/timevar.h: Likewise.
7489 * djgpp/subpipe.c: Use standard recipe for config.h.
7490 * lib/abitset.c: Likewise.
7491 * lib/bitset.c: Likewise.
7492 * lib/bitset_stats.c: Likewise.
7493 * lib/bitsetv-print.c: Likewise.
7494 * lib/bitsetv.c: Likewise.
7495 * lib/ebitsetv.c: Likewise.
7496 * lib/get-errno.c: Likewise.
7497 * lib/lbitset.c: Likewise.
7498 * lib/subpipe.c: Likewise.
7499 * lib/timevar.c: Likewise.
7500 * lib/vbitset.c: Likewise.
7501 * tests/local.at: Likewise.
7502 * src/scan-gram.l: Don't include verify.h, since system.h does
7503 that for us.
7504 * .x-sc_require_config_h: New file.
7505 * .x-sc_unmarked_diagnostics: New file.
7506
7507 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
7508
7509 Be a bit more systematic about using 'abort'.
7510 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
7511 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
7512 Put 'default: abort ();' before some other case, to satisfy older
7513 pedantic compilers.
7514 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7515 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
7516 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
7517 * src/conflicts.c (resolve_sr_conflict): Likewise.
7518 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
7519 (get_decision_str, get_orientation_str, get_node_alignment_str):
7520 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
7521 (get_linestyle_str, get_arrowstyle_str): Likewise.
7522 * src/conflicts.c (resolve_sr_conflict):
7523 Use a default case rather than one for the one remaining enum
7524 value, to catch invalid enum values as well.
7525 * src/lalr.c (set_goto_map, map_goto):
7526 Prefer "assert (FOO);" to "if (!FOO) abort ();".
7527 * src/nullable.c (nullable_compute, token_definitions_output):
7528 Likewise.
7529 * src/reader.c (packgram, reader): Likewise.
7530 * src/state.c (transitions_to, state_new, state_reduction_find):
7531 Likewise.
7532 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
7533 (symbol_pack): Likewise.
7534 * src/tables.c (conflict_row, pack_vector): Likewise.
7535 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
7536 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
7537 * src/system.h: Don't include <assert.h>.
7538 (assert): New macro.
7539
7540 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
7541 (Destructor Decl, Parser Function, Pure Calling):
7542 Describe rules for braces inside C code more carefully.
7543
7544 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
7545
7546 Fix some porting glitches found by Nelson H. F. Beebe.
7547 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
7548 compilers that don't understand that abort () does not return.
7549 * src/state.c (transitions_to): Likewise.
7550 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7551 that '#include <cstdlib>' works.
7552 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
7553 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
7554 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
7555 for the benefit of some pre-C99 compilers.
7556
7557 * bootstrap: Undo changes to gnulib files that autoreconf made.
7558
7559 Minor fixups to get 'make maintainer-check' to work.
7560 * configure.ac: Don't use -Wnested-externs, as it's incompatible
7561 with the new verify.h implementation.
7562 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
7563 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
7564 * data/yacc.c (YYUSE): Likewise.
7565 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
7566 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
7567 * src/parse-gram.y (declaration): Don't pass a string constant
7568 to a function that expects char *, since GCC might complain
7569 about the constant value.
7570 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
7571 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
7572 before #defining them.
7573 * tests/glr-regression.at
7574 (Incorrectly initialized location for empty right-hand side in GLR):
7575 In yyerror, use the msg arg.
7576 (Corrupted semantic options if user action cuts parse):
7577 (Incorrect lookahead during deterministic GLR):
7578 (Incorrect lookahead during nondeterministic GLR):
7579 Don't name a local var 'index'; it shadows string.h's 'index'.
7580
7581 2006-01-19 Akim Demaille <akim@epita.fr>
7582
7583 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
7584 location, not just parts of it.
7585
7586 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
7587
7588 * NEWS: Document the fact that multiple %unions are now allowed.
7589 * doc/bison.texinfo (Union Decl): Likewise.
7590 * TODO: This feature is now implemented, so remove it from
7591 the wishlist.
7592
7593 * Makefile.maint: Merge with coreutils Makefile.maint.
7594 (CVS_LIST): Use build-aux version if available.
7595 (VERSION_REGEXP): New macro.
7596 (syntax-check-rules): Add sc_no_if_have_config_h,
7597 sc_prohibit_assert_without_use, sc_require_config_h,
7598 sc_useless_cpp_parens.
7599 (sc_obsolete_symbols): Check for O_NDELAY.
7600 (sc_dd_max_sym_length): Track coreutils.
7601 (sc_unmarked_diagnostics): Look in all files, not just *.c.
7602 (sc_useless_cpp_parens): New rule.
7603 (news-date-check): Look for version or today's date.
7604 (changelog-check): Don't require version number near head.
7605 (copyright-check): Use current year instead of hardwiring 2005.
7606 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
7607 (announcement): Add --gpg-key-ID.
7608
7609 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
7610 with "file system".
7611
7612 Avoid undefined behavior that addressed just before the start of an
7613 array. Problem reported by twlevo.
7614 * src/reader.c (packgram): Prepend a new sentinel before ritem.
7615 * src/lalr.c (build_relations): Rely on new sentinel.
7616 * src/gram.c (gram_free): Adjust to new sentinel.
7617
7618 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
7619
7620 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
7621 yylookaheadNeeds. All uses updated.
7622 (yysplitStack): Rename local yynewLookaheadStatuses to
7623 yynewLookaheadNeeds.
7624 * data/glr-regression.at (Incorrect lookahead during nondeterministic
7625 GLR): In comments, change `lookahead status' to `lookahead need'.
7626
7627 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7628
7629 * data/glr.c (yysplitStack): A little stylistic rewrite.
7630
7631 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7632
7633 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
7634
7635 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
7636
7637 * doc/bison.texinfo: Fix some typos.
7638 (GLR Semantic Actions): New subsection discussing special
7639 considerations because GLR semantic actions might be deferred.
7640 (Actions): Mention look-ahead usage of yylval.
7641 (Actions and Locations): Mention look-ahead usage of yylloc.
7642 (Special Features for Use in Actions): Add YYEOF entry and mention it
7643 in the yychar entry.
7644 In the yychar entry, remove mention of the local yychar case (pure
7645 parser) since this is irrelevant information when writing semantic
7646 actions and since it's already discussed in `Table of Symbols' where
7647 yychar is otherwise described as an external variable.
7648 In the yychar entry, don't call it the `current' look-ahead since it
7649 isn't when semantic actions are deferred.
7650 In the yychar and yyclearin entries, add note about deferred semantic
7651 actions.
7652 Add yylloc and yylval entries discussing look-ahead usage.
7653 (Look-Ahead Tokens): When discussing yychar, don't call it the
7654 `current' look-ahead, and do mention yylval and yylloc.
7655 (Error Recovery): Cross-reference `Action Features' when mentioning
7656 yyclearin.
7657 (Table of Symbols): In the yychar entry, don't call it the `current'
7658 look-ahead.
7659 In the yylloc and yylval entries, mention look-ahead usage.
7660
7661 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7662
7663 * tests/glr-regression.at: Update copyright year to 2006.
7664
7665 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7666
7667 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
7668 use during nondeterministic operation to track which stacks have
7669 actually needed the current lookahead.
7670 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
7671 Allocate, deallocate, resize, and otherwise shuffle space for
7672 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
7673 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
7674 appropriately during nondeterministic operation.
7675 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
7676 members to store the current lookahead to be used by the deferred
7677 user action.
7678 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
7679 from which the RHS is taken. Set the lookahead members of the new
7680 yySemanticOption according to the lookahead status for stack yyk.
7681 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
7682 yyaddDeferredAction.
7683 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
7684 members of yySemanticOption before invoking yyuserAction, and then set
7685 them back to their current values afterward.
7686 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
7687 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
7688 * tests/glr-regression.at: Remove `.' from the ends of recent test case
7689 titles for consistency.
7690 (Leaked merged semantic value if user action cuts parse): In order to
7691 suppress lint warnings, use arguments in merge function, and assign
7692 char value < 128 in main.
7693 (Incorrect lookahead during deterministic GLR): New test case.
7694 (Incorrect lookahead during nondeterministic GLR): New test case.
7695
7696 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7697
7698 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
7699 !yyvaluep as signal that no semantic value is available to print.
7700 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
7701 to print a semantic value.
7702
7703 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7704
7705 * tests/glr-regression.at: For consistency with my newer test cases,
7706 don't thank myself.
7707
7708 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7709
7710 * data/glr.c (yyresolveValue): When merging semantic options, if at
7711 least one user action succeeds but a later one cuts the parse, then
7712 destroy the semantic value before returning rather than leaking it.
7713 (yyresolveStates): If a user action cuts the parse and thus
7714 yyresolveValue fails, ignore the (unset) semantic value rather than
7715 corrupting the yyGLRState, and empty the semantic options list since
7716 the user actions should have called all necessary destructors.
7717 Simplify code with YYCHK.
7718 * tests/glr-regression.at (Corrupted semantic options if user action
7719 cuts parse): New test case.
7720 (Undesirable destructors if user action cuts parse): New test case.
7721 Before applying any of this patch, this test case never actually failed
7722 for me... but only because the corrupted semantic options usually
7723 masked this bug.
7724 (Leaked merged semantic value if user action cuts parse): New test
7725 case.
7726
7727 2006-01-05 Akim Demaille <akim@epita.fr>
7728
7729 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
7730
7731 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
7732
7733 * data/c.m4 (b4_c_modern): New macro, with a new provision for
7734 _MSC_VER. Problem reported by Cenzato Marco.
7735 (b4_c_function_def): Use it.
7736 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
7737 b4_c_modern.
7738 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
7739 than rolling our own.
7740
7741 2006-01-04 Akim Demaille <akim@epita.fr>
7742
7743 Also warn about non-used mid-rule values.
7744 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
7745 member.
7746 (symbol_list_new): Adjust.
7747 * src/reader.c (symbol_typed_p): New.
7748 (grammar_rule_check): Use it.
7749 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
7750 Check its rule.
7751 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
7752 Use it.
7753 * tests/actions.at (Exotic Dollars): Adjust.
7754
7755 2006-01-04 Akim Demaille <akim@epita.fr>
7756
7757 * src/reader.c (grammar_midrule_action): If $$ is set in a
7758 mid-rule, move the `used' bit to its lhs.
7759 * tests/input.at (Unused values): New.
7760 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
7761
7762 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
7763
7764 * doc/bison.texinfo (Bison Options): Say more accurately what
7765 --yacc does.
7766 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
7767 about declarations in the grammar when in Yacc mode, as POSIX does
7768 not require a diagnostic when the grammar uses extensions.
7769
7770 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
7771
7772 Warn about dubious constructions like "%token T T".
7773 Reported by twlevo.
7774 * src/symtab.h (struct symbol.declared): New member.
7775 * src/symtab.c (symbol_new): Initialize it to false.
7776 (symbol_class_set): New arg DECLARING, specifying whether
7777 this is a declaration that we want to warn about, if there
7778 is more than one of them. All uses changed.
7779
7780 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
7781 Allow multiple %union directives, whose contents concatenate.
7782 * src/parse-gram.y (grammar_declaration): Likewise.
7783 Use muscle_code_grow, so that we don't need stype_line any more.
7784 All uses changed.
7785
7786 * src/muscle_tab.c (muscle_grow): Fix comment.
7787
7788 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
7789 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
7790 Update copyright year to 2006.
7791
7792 2006-01-03 Akim Demaille <akim@epita.fr>
7793
7794 Have glr.cc pass (some of) the calc.at tests.
7795 * data/glr.cc (b4_parse_param_orig): New.
7796 (b4_parse_param): Improve its definition, and bound it more
7797 clearly in the skeleton.
7798 (b4_epilogue): Append, instead of prepending, in order to keep
7799 #line consistency.
7800 Simplify the generation of auxiliary functions: locations and
7801 purity are mandated.
7802 (b4_global_tokens_and_yystype): Honor it.
7803 * data/location.cc (c++.m4): Don't include it.
7804 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
7805 and AT_SKEL_CC_IF.
7806 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
7807 AT_LALR1_CC_IF.
7808 Be sure to initialize the first position's filename.
7809 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
7810 mandated anyway.
7811 (AT_CHECK_CALC_GLR_CC): New.
7812 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
7813
7814 2006-01-02 Akim Demaille <akim@epita.fr>
7815
7816 * src/output.c (output_skeleton): Don't hard wire the inclusion of
7817 c.m4.
7818 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
7819 * data/glr.cc: Do not include stack.hh.
7820
7821 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7822
7823 * data/glr.c: Reformat whitespace with tabs.
7824 (b4_lpure_formals): Remove this unused m4 macro.
7825 * tests/cxx-type.at: Reformat whitespace with tabs.
7826 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
7827 since it's a member. Rename type to isNterm for clarity.
7828
7829 2005-12-29 Akim <akim@sulaco.local>
7830
7831 Let glr.cc catch up with symbol_value_print.
7832 * data/glr.cc (b4_yysymprint_generate): Replace by...
7833 (b4_yy_symbol_print_generate): this.
7834 (yy_symbol_print, yy_symbol_value_print): Declare them.
7835
7836 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
7837
7838 * src/location.h (boundary): Note that a line or column equal
7839 to INT_MAX indicates an overflow.
7840 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
7841 (rule_length_overflow, increment_rule_length, add_column_width):
7842 New functions.
7843 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
7844 (<SC_BRACED_CODE>"}"):
7845 Use increment_rule_length rather than incrementing it by hand.
7846 (adjust_location, handle_syncline): Diagnose overflow.
7847 (handle_action_dollar, handle_action_at):
7848 Fix bug with monstrosities like $-2147483648.
7849 Remove now-unnecessary checks.
7850 (scan_integer): Verify assumptions and remove now-unnecessary checks.
7851 (convert_ucn_to_byte): Verify assumptions.
7852 (handle_syncline): New arg LOC. All callers changed.
7853 Don't store through a value derived from char const * pointer.
7854
7855 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
7856 GCC warnings.
7857
7858 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
7859
7860 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
7861 Remove unnecessary forward static decls.
7862
7863 2005-12-27 Akim Demaille <akim@epita.fr>
7864
7865 * src/reader.c (grammar_current_rule_check): Also check that $$
7866 is used.
7867 Take the rule to check as argument, hence rename as...
7868 (grammar_rule_check): this.
7869 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
7870 Rename as...
7871 (grammar_rule_begin, grammar_rule_end): these, for consistency.
7872 (grammar_midrule_action, grammar_symbol_append): Now static.
7873 * tests/torture.at (input): Don't rely on the default action
7874 being always performed.
7875 * tests/calc.at: "Set" $$ even when the action is "cut" with
7876 YYERROR or other.
7877 * tests/actions.at (Exotic Dollars): Instead of using unused
7878 values, check that the warning is issued.
7879
7880 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
7881
7882 * NEWS: Improve wording for unused-value warnings.
7883
7884 2005-12-22 Akim Demaille <akim@epita.fr>
7885
7886 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
7887 (b4_yysymprint_generate): Rename as...
7888 (b4_yy_symbol_print_generate): this.
7889 Generate yy_symbol_print instead of yysymprint.
7890 Generate also yy_symbol_value_print, and use it.
7891
7892 2005-12-22 Akim Demaille <akim@epita.fr>
7893
7894 * NEWS: Warn about unused values.
7895 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
7896 a `used' member.
7897 (symbol_list_n_get, symbol_list_n_used_set): New.
7898 (symbol_list_n_type_name_get): Use symbol_list_n_get.
7899 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
7900 * src/reader.c (grammar_current_rule_check): Check that values are
7901 used.
7902 * src/symtab.c (symbol_print): Accept 0.
7903 * tests/existing.at: Remove the type information.
7904 Empty the actions.
7905 Remove useless actions (beware of mid-rule actions: perl -000
7906 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
7907 * tests/actions.at (Exotic Dollars): Use unused values.
7908 * tests/calc.at: Likewise.
7909 * tests/glr-regression.at (No users destructors if stack 0 deleted):
7910 Likewise.
7911
7912 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
7913 rule_useful_p.
7914
7915 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
7916
7917 Undo 2005-12-01 tentative license wording change. The wording is
7918 still being reviewed by the lawyers, and we don't want to wait for
7919 them before publishing a test release. For now, revert to the
7920 previous wording.
7921 * NEWS: Undo 2005-12-01 change.
7922 * data/glr.c: Revert to previous license wording.
7923 * data/glr.cc: Likewise.
7924 * data/lalr1.cc: Likewise.
7925 * data/location.cc: Likewise.
7926 * data/yacc.c: Likewise.
7927
7928 * NEWS: Reword %destructor vs YYABORT etc.
7929 * data/glr.c: Use American spacing, for consistency.
7930 * data/glr.cc: Likewise.
7931 * data/lalr1.cc: Likewise.
7932 * data/yacc.c: Likewise.
7933 * data/yacc.c: Reformat comments slightly.
7934 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
7935 for consistency. Fix some spelling errors and reword recently-included
7936 text slightly.
7937 * tests/cxx-type.at: Cast results of malloc, for C++.
7938
7939 2005-12-21 Joel E. Denny <address@hidden>
7940
7941 * tests/cxx-type.at: Construct a tree, count the parents of shared
7942 nodes, and free each node once and only once. Previously, the memory
7943 for semantic values was leaked instead.
7944
7945 2005-12-21 Joel E. Denny <address@hidden>
7946
7947 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
7948 (yylval, yylloc): If pure, #define to yystackp->yyval and
7949 yystackp->yyloc similar to yychar and yynerrs.
7950 (yyparse): If pure, remove local yylval and yylloc. Add local
7951 yystackp to accommodate pure definitions of yylval and yylloc.
7952 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
7953 yylvalp and yyllocp to &yylval and &yylloc.
7954 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
7955 namespace. Previously, nerrs and char were missing, but lval and lloc
7956 weren't necessary.
7957 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
7958 yylvalp and yyllocp parameters since, if pure, these are now always
7959 accessible through yystackp. If not pure, they are still accessible
7960 globally.
7961 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
7962 `if (YYID (N))' to pacify lint.
7963
7964 2005-12-21 Akim Demaille <akim@epita.fr>
7965
7966 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
7967 destroy the RHS symbols of a rule.
7968 * data/yacc.c (yylen): Initialize to 0.
7969 Keep its value to the number of items to possibly shift.
7970 In particular, a regular successful parse that ends on YYFINAL by
7971 a (internal) YYACCEPT must not have yylen != 0.
7972 (yyerrorlab, yyreturn): Pop the RHS.
7973 Reorder a bit to emphasize the `shifting' bits of code.
7974 (YYPOPSTACK): Now accept a number of items to pop.
7975 * data/lalr1.cc: Likewise.
7976 * data/glr.c: Formatting changes.
7977 Use goto instead of fall through.
7978 * doc/bison.texinfo (Destructor Decl): Complete.
7979
7980 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7981
7982 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
7983 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
7984 * djgpp/config.bat: Replace every occurence of the file name
7985 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
7986 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
7987 * djgpp/config.sed: Replace every occurence of the file name
7988 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
7989 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
7990 * djgpp/djunpack.bat: DJGPP specific file.
7991 * djgpp/fnchange.lst: DJGPP specific file.
7992 * djgpp/README.in: Add new information about how to unpack the bison
7993 source on MSDOS and other systems which have 8.3 file name restrictions
7994 using djunpack.bat and fnchange.lst.
7995
7996 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
7997
7998 * bootstrap (build_cvs_prefix): Remove; unused.
7999 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
8000 when getting gnulib.
8001
8002 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
8003
8004 * data/glr.c: Reorder typedef declarations for structs to match order
8005 of struct declarations.
8006 Rename yystack everywhere to yystackp except in yyparse where it's not
8007 a pointer.
8008 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
8009 consistency.
8010 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
8011 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
8012 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
8013 lint.
8014
8015 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
8016
8017 * tests/sets.at (Accept): Fix typos in regular expression used to
8018 sed out the final state number.
8019
8020 Work around portability problem on Solaris 10: flex-generated
8021 files include <stdio.h> before <config.h>, which messes up
8022 because the latter defines __EXTENSIONS__. Address the problem
8023 by creating two new little files that include <config.h> first,
8024 then include the flex-generated files. Rewrite everyone else
8025 to include <config.h> first, as well.
8026 * lib/timevar.c: Always include "config.h".
8027 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
8028 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
8029 (EXTRA_bison_SOURCES): New macro.
8030 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
8031 * src/system.h: Don't include config.h.
8032 * src/LR0.c: Include <config.h> first.
8033 * src/assoc.c: Likewise.
8034 * src/closure.c: Likewise.
8035 * src/complain.c: Likewise.
8036 * src/conflicts.c: Likewise.
8037 * src/derives.c: Likewise.
8038 * src/files.c: Likewise.
8039 * src/getargs.c: Likewise.
8040 * src/gram.c: Likewise.
8041 * src/lalr.c: Likewise.
8042 * src/location.c: Likewise.
8043 * src/main.c: Likewise.
8044 * src/muscle_tab.c: Likewise.
8045 * src/nullable.c: Likewise.
8046 * src/output.c: Likewise.
8047 * src/parse-gram.y: Likewise.
8048 * src/print.c: Likewise.
8049 * src/print_graph.c: Likewise.
8050 * src/reader.c: Likewise.
8051 * src/reduce.c: Likewise.
8052 * src/relation.c: Likewise.
8053 * src/state.c: Likewise.
8054 * src/symlist.c: Likewise.
8055 * src/symtab.c: Likewise.
8056 * src/tables.c: Likewise.
8057 * src/uniqstr.c: Likewise.
8058 * src/vcg.c: Likewise.
8059
8060 * src/parse-gram.y: Fix minor problems uncovered by lint.
8061 (current_lhs, current_lhs_location): Now static.
8062 (current_assoc): Remove unused variable.
8063
8064 Cleanups so that Bison-generated parsers have less lint.
8065 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
8066 Prepend /*ARGSUSED*/, for lint's sake.
8067 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
8068 definition if 'lint' is defined.
8069 (YYID): New macro (or function, if lint).
8070 All uses of /*CONSTCOND*/0 replaced by YYID(0).
8071 * data/yacc.c: Likewise.
8072 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
8073 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
8074 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
8075 is C++ only.
8076 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
8077 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
8078 Use YYID(0) rather than 0, for lint.
8079 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
8080 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
8081
8082 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
8083
8084 * tests/glr-regression.at
8085 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8086 Close memory leak reported by twlevo.
8087
8088 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
8089
8090 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
8091 all stacks.
8092 (yyparse): Iterate another stack in order to call user destructors.
8093 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8094 New test case.
8095 (Duplicated user destructor for lookahead): This test now is expected
8096 to succeed.
8097
8098 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
8099
8100 * NEWS: Document the following change.
8101 * data/yacc.c: Say "parser skeleton" rather than "file", since
8102 it's no longer just a file.
8103 * data/glr.c: Grant a special exception for C GLR parsers, that
8104 reads like the already-existing exception for C LALR(1) parsers.
8105 * data/glr.cc: Likewise.
8106 * data/lalr1.cc: Likewise.
8107 * data/location.cc: Likewise.
8108 * data/yacc.c: Reword the "written by" statement to clarify that
8109 it was the parser skeleton, not the entire output file.
8110 * data/glr.c: Written by Paul Hilfinger.
8111 * data/glr.cc: Written by Akim Demaille.
8112 * data/lalr1.cc: Likewise.
8113
8114 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
8115
8116 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
8117 Fix typos in previous change that broke 'make check'.
8118 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
8119 supported in C.
8120 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
8121 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
8122 We can revert this once things settle down.
8123
8124 * src/conflicts.c (conflicts_print): Don't print file name twice
8125 when %expect fails because there were no conflicts.
8126 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
8127 change.
8128 * tests/conflicts.at (%expect not enough, %expect too much):
8129 (%expect with reduce conflicts): Adjust to new behavior.
8130
8131 2005-11-18 Akim Demaille <akim@epita.fr>
8132
8133 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
8134 errors.
8135 * NEWS: Document this.
8136 * doc/bison.texinfo (Expect Decl): Likewise.
8137
8138 2005-11-16 Akim Demaille <akim@epita.fr>
8139
8140 Generalize the display of semantic values and locations in traces.
8141 * data/glr.c (yy_reduce_print): Fix indices (again).
8142 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
8143 literal integers.
8144 * data/lalr1.cc (yyreduce_print): Rename as...
8145 (yy_reduce_print): this.
8146 Display values and locations.
8147 * data/yacc.c (yy_reduce_print): Likewise.
8148 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
8149 (yysymprint): Move higher to be visible from yy_reduce_print).
8150 (yyparse): Adjust.
8151 * tests/calc.at: Adjust the expected length of the traces.
8152
8153 2005-11-14 Akim Demaille <akim@epita.fr>
8154
8155 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
8156 from 1 to N, while values and location start at 0.
8157 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
8158
8159 2005-11-14 Akim Demaille <akim@epita.fr>
8160
8161 * data/glr.c (yy_reduce_print): Fix the $ number.
8162
8163 2005-11-14 Akim Demaille <akim@epita.fr>
8164
8165 "Use" parse parameters.
8166 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
8167 * data/glr.c, data/glr.cc: Use them.
8168 * data/glr.c (YYUSE): Have a C++ definition that supports
8169 non-pointer types.
8170
8171 2005-11-14 Akim Demaille <akim@epita.fr>
8172
8173 * data/glr.c (yyexpandGLRStack): Declare only if defined.
8174
8175 2005-11-14 Akim Demaille <akim@epita.fr>
8176
8177 * data/glr.cc: New.
8178 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
8179
8180 2005-11-12 Akim Demaille <akim@epita.fr>
8181
8182 Let position and location be PODs.
8183 * data/location.cc (position::initialize, location::initialize): New.
8184 (position::position, location::location): Define only if
8185 b4_location_constructors is defined.
8186 * data/lalr1.cc (b4_location_constructors): Define it for backward
8187 compatibility.
8188 * doc/bison.texinfo (Initial Action Decl): Use initialize.
8189
8190 2005-11-12 Akim Demaille <akim@epita.fr>
8191
8192 * data/lalr1.cc: Move the body of the ctor and dtor into the
8193 parser file (instead of the header).
8194 Wrap the implementations in a "namespace yy".
8195
8196 2005-11-12 Akim Demaille <akim@epita.fr>
8197
8198 Have glr.c include its header file when created.
8199 * data/glr.c (b4_shared_declarations): New.
8200 Output them verbatim in the parser if !%defines, otherwise
8201 output then in the header file, and include it instead.
8202
8203 2005-11-11 Akim Demaille <akim@epita.fr>
8204
8205 * data/glr.c: Comment changes.
8206
8207 2005-11-11 Akim Demaille <akim@epita.fr>
8208
8209 When yydebug, report semantic and location values for reductions.
8210 * data/glr.c (yy_reduce_print): Report the semantic values and the
8211 locations.
8212 (YY_REDUCE_PRINT): Adjust.
8213 (yyglrReduce): Use them.
8214 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
8215 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
8216 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
8217 traces.
8218
8219 2005-11-10 Akim Demaille <akim@epita.fr>
8220
8221 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
8222 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
8223 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
8224
8225 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
8226
8227 * m4/cxx.m4, examples/Makefile.am: Don't build
8228 examples/calc++ if no C++ compiler is available. (trivial change)
8229
8230 2005-11-09 Akim Demaille <akim@epita.fr>
8231
8232 * src/scan-skel.l: Use a couple of asserts.
8233
8234 2005-11-03 Akim Demaille <akim@epita.fr>
8235
8236 In some (weird) cases, the final state number is incorrect.
8237 Reported by Alexandre Duret-Lutz.
8238 * src/LR0.c (state_list_append): Remove the computation of
8239 final_state.
8240 (save_reductions): Do it here.
8241 (get_state): Alpha conversion.
8242 (generate_states): Use a for loop.
8243 * src/gram.h (item_number_is_rule_number)
8244 (item_number_is_symbol_number): New.
8245 * src/state.c: Use assert.
8246 * src/system.h: Include assert.h.
8247 * tests/sets.at (Accept): New.
8248
8249 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8250
8251 * data/glr.c (yyfill): Adjust comment.
8252 (yyresolveAction): Initialize default location properly
8253 for empty right-hand sides.
8254 (yydoAction): Ditto.
8255 Add comment explaining apparently dead code.
8256 * tests/glr-regression.at
8257 (Incorrectly initialized location for empty right-hand side in GLR):
8258 New test.
8259
8260 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
8261
8262 * bootstrap (cleanup_gnulib): New function. Use it to clean up
8263 gnulib when interrupted. This fixes some race conditions and
8264 works around some portability problems (one noted by Paul
8265 Hilfinger).
8266
8267 2005-10-22 Akim <akim@epita.fr>
8268
8269 * Makefile.cfg: Adjust to config -> build-aux.
8270 Reported by twledo.
8271
8272 2005-10-21 Akim Demaille <akim@epita.fr>
8273
8274 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
8275 the %parse-params.
8276 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
8277 * data/yacc.c (b4_Pure_if): Rename as...
8278 (b4_yacc_pure_if): this.
8279 (YY_SYMBOL_PRINT, yyparse): Adjust.
8280 * doc/bison.texinfo: Formatting changes.
8281
8282 2005-10-21 Akim Demaille <akim@epita.fr>
8283
8284 Finish the transition config -> build-aux.
8285 * configure.ac, Makefile.am: Use build-aux.
8286 * config/prev-version, config/announce-gen, config/Makefile.am:
8287 Move to...
8288 * build-aux/prev-version, build-aux/announce-gen,
8289 * build-aux/Makefile.am: here.
8290
8291 2005-10-14 Akim Demaille <akim@epita.fr>
8292
8293 * examples/calc++/test: Use set -x only when VERBOSE.
8294
8295 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
8296
8297 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
8298 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
8299
8300 2005-10-13 Akim Demaille <akim@epita.fr>
8301
8302 * src/scan-skel.l: Output the base name parts of the parser and
8303 header file names.
8304 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
8305 additional checks.
8306 Use this to exercise C++ outputs in subdirs.
8307 Reported by Oleg Smolsky.
8308
8309 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
8310
8311 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
8312 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
8313 Problem reported by John P. Hartmann.
8314 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
8315 already defined it.
8316
8317 2005-10-12 Akim Demaille <akim@epita.fr>
8318
8319 * src/parse-gram.y (version_check): Exit 63 to please missing
8320 (stands for "version mismatch).
8321 * tests/input.at, doc/bison.texinfo: Adjust.
8322
8323 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
8324
8325 Work around portability problems with Visual Age C compiler
8326 (xlc and xlC_r) reported by John P. Hartmann.
8327 * data/location.cc (initial_column, initial_line): Remove.
8328 All uses replaced by 0 and 1.
8329 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
8330 that xlc complains about.
8331 * src/scan-skel.l (skel_wrap): Likewise.
8332 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
8333 as __STDC__.
8334 * data/yacc.c (YYMODERN_C): New macro, which also looks at
8335 __STDC_VERSION__. Use it everywhere instead of looking at
8336 __STDC__ and __cplusplus.
8337
8338 2005-10-10 Akim Demaille <akim@epita.fr>
8339
8340 * examples/calc++/test: Be quiet unless VERBOSE.
8341
8342 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
8343
8344 * data/c.m4 (yydestruct, yysymprint):
8345 Use YYUSE instead of casting to void.
8346 * data/glr.c (YYUSE): New macro.
8347 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8348 Use it instead of rolling our own.
8349 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8350 (YYCHK1):
8351 Use /*CONSTCOND*/ to suppress lint warnings.
8352 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8353 (YY_STACK_PRINT): Use 'false' not '0'.
8354 (YYUSE): New macro.
8355 (yysymprint_, yydestruct_): Use it instead of rolling our own.
8356 * data/yacc.c (YYUSE): New macro.
8357 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
8358 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
8359 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
8360
8361
8362 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
8363 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
8364
8365 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
8366
8367 Undo the parts of the unlocked-I/O change that substituted
8368 putc or puts for printf. This might hurt performance a bit,
8369 but some people prefer the printf style.
8370 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
8371 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
8372 All uses replaced by YYFPRINTF and YYDPRINTF.
8373 * data/yacc.c: Likewise.
8374 * lib/bitset.c (bitset_print): Likewise.
8375 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
8376 putc and puts.
8377 * lib/lbitset.c (debug_lbitset): Likewise.
8378 * src/closure.c (print_firsts, print_fderives): Likewise.
8379 * src/gram.c (grammar_dump): Likewise.
8380 * src/lalr.c (look_ahead_tokens_print): Likewise.
8381 * src/output.c (escaped_output): Likewise.
8382 (user_actions_output): Break apart two printfs.
8383 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
8384 * src/reduce.c (reduce_print): Likewise.
8385 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8386 * src/system.h: Include unlocked-io.h rathe than stdio.h.
8387
8388 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8389 Use assignments rather than casts-to-void to suppress
8390 unused-variable warnings. This pacifies 'lint'.
8391 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
8392 unused-variable warnings.
8393
8394 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8395
8396 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8397
8398 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
8399
8400 Use unlocked I/O for a minor performance improvement on hosts like
8401 GNU/Linux and Solaris that support unlocked I/O. The basic idea
8402 is to use the gnlib unlocked-io module, and to prefer putc and
8403 puts to printf when either will work (since the latter doesn't
8404 come in an unlocked flavor).
8405 * bootstrap (gnulib_modules): Add unlocked-io.
8406 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
8407 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
8408 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
8409 and similarly for puts and putc and printf.
8410 * data/yacc.c: Likewise.
8411 * lib/bitset.c (bitset_print): Likewise.
8412 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
8413 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
8414 to printf.
8415 * lib/lbitset.c (debug_lbitset): Likewise.
8416 * src/closure.c (print_firsts, print_fderives): Likewise.
8417 * src/gram.c (grammar_dump): Likewise.
8418 * src/lalr.c (look_ahead_tokens_print): Likewise.
8419 * src/output.c (escaped_output): Likewise.
8420 (user_actions_output): Coalesce two printfs.
8421 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
8422 * src/reduce.c (reduce_print): Likewise.
8423 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8424 * src/system.h: Include unlocked-io.h rather than stdio.h.
8425
8426 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
8427 this confuses xgettext.
8428
8429 2005-10-02 Akim Demaille <akim@epita.fr>
8430
8431 * bootstrap (gnulib_modules): Add strverscmp.
8432 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
8433 * m4/.cvsignore: Add strverscmp.m4.
8434 * src/parse-gram.y (%require): New token, new rule.
8435 (version_check): New.
8436 * src/scan-gram.l (%require): Adjust.
8437 * tests/input.at (AT_REQUIRE): New.
8438 Use it.
8439 * doc/bison.texinfo (Require Decl): New.
8440 (Calc++ Parser): Use %require.
8441
8442 2005-10-02 Akim Demaille <akim@epita.fr>
8443
8444 * data/location.cc: New.
8445
8446 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
8447 Akim Demaille <akim@epita.fr>
8448
8449 Make sure -odir/foo.cc creates dir/location.hh etc.
8450 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
8451 (spec_file_prefix, spec_verbose_file, spec_graph_file)
8452 (spec_defines_file): Now const.
8453 (dir_prefix): New.
8454 (short_base_name): Remove.
8455 * src/files.c: Adjust.
8456 (dirname.h): Include.
8457 (base_name): Don't prototype it.
8458 (finput): Remove, duplicates gram_in.
8459 (full_base_name, short_base_name): Replace by...
8460 (all_but_ext, all_but_tab_ext): these.
8461 (compute_base_names): Rename as...
8462 (compute_file_name_parts): this.
8463 Update to compute the new variables, including dir_prefix.
8464 Adjust dependencies.
8465 * src/output.c (prepare): Output them.
8466 * src/reader.c: Adjust to use gram_in, not finput.
8467 * src/scan-skel.l (@dir_prefix@): New.
8468
8469 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8470
8471 * lib/subpipe.c: New function end_of_output_subpipe() added
8472 to allow support for non-posix systems. This is a no-op function
8473 for posix systems.
8474
8475 * lib/subpipe.h: New function end_of_output_subpipe() added
8476 to allow support for non-posix systems. This is a no-op function
8477 for posix systems.
8478
8479 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
8480 handle the lack of pipe/fork functionality on non-posix systems.
8481
8482 * djgpp/Makefile.maint: DJGPP specific file.
8483
8484 * djgpp/README.in: DJGPP specific file.
8485
8486 * djgpp/config.bat: DJGPP specific configuration file.
8487
8488 * djgpp/config.sed: DJGPP specific configuration file.
8489
8490 * djgpp/config.site: DJGPP specific configuration file.
8491
8492 * djgpp/config_h.sed: DJGPP specific configuration file.
8493
8494 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
8495
8496 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
8497
8498 2005-10-02 Akim Demaille <akim@epita.fr>
8499
8500 * data/location.cc: New, extract from...
8501 * data/lalr1.cc: here.
8502 (location.hh): Include it after the user prologue, in case the
8503 filename type is defined by the user.
8504 Forward declation location and position before the pre-prologue.
8505 (yyresult_): Rename as...
8506 (yyresult): this, it's a local variable, not an attribute.
8507 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
8508
8509 2005-10-01 Akim Demaille <akim@epita.fr>
8510
8511 * examples/extexi: Restore the #line generation.
8512
8513 2005-09-30 Akim Demaille <akim@epita.fr>,
8514 Alexandre Duret-Lutz <adl@gnu.org>
8515
8516 Move the token type and YYSTYPE in the parser class.
8517 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
8518 (parser::token): New, from the moved free definition of tokens.
8519 (parser::semantic_value): Now a full definition instead of an
8520 indirection to YYSTYPE.
8521 (b4_post_prologue): No longer included in the header file, but
8522 in the implementation file.
8523 * doc/bison.texi (C+ Language Interface): Update.
8524 * src/parse-gram.y: Support unary %define.
8525 * tests/actions.at: Define global_tokens_and_yystype for backward
8526 compatibility until we update the tests.
8527 * tests/calc.at: Idem.
8528 (first_line, first_column, last_line, last_column): Define for lalr1.cc
8529 to simplify the code.
8530
8531 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
8532
8533 Port to SunOS 4.1.4, which lacks strtoul and strerror.
8534 Ah, the good old days! Problem reported by Peter Klein.
8535 * bootstrap (gnulib_modules): Add strerror, strtoul.
8536 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
8537 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
8538
8539 2005-09-29 Akim Demaille <akim@epita.fr>
8540
8541 * data/c.m4 (b4_error_verbose_if): New.
8542 * data/lalr1.cc: Use it.
8543 (YYERROR_VERBOSE_IF): Remove.
8544 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
8545 parser members, replaced by...
8546 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
8547 local variables.
8548 (yysyntax_error_): Takes the state number as argument.
8549 (yyreduce_print_): Use the argument yyrule, not the former
8550 attribute yyn_.
8551
8552 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
8553
8554 * bootstrap (gnulib_modules): Add verify.
8555 * lib/.cvsignore: Add verify.h.
8556 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
8557 * src/system.h (verify): Remove.
8558 Include verify.h instead.
8559 * src/tables.c (tables_generate): Use new API for 'verify'.
8560
8561 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
8562
8563 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
8564 local variables whose names begin with 'yy'.
8565 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
8566 Trivial changes from Joel E. Denny.
8567
8568 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
8569 it itself.
8570 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
8571 don't use alloca any more.
8572
8573 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
8574 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
8575 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
8576 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
8577 to match yacc.c, to test more hosts.
8578
8579 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
8580
8581 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
8582 doesn't affect behavior.
8583 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
8584 Solaris, AIX, MSC.
8585 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
8586 This works a bit better with glibc, if user code has already included
8587 stdlib.h.
8588 * doc/bison.texinfo (Bison Parser): Document that users can't
8589 arbitrarily use malloc and free for other purposes. Document
8590 that <alloca.h> and <malloc.h> might be included.
8591 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
8592 user must declare alloca.
8593
8594 * HACKING (release): Forwarn the Translation Project about
8595 stable releses.
8596
8597 2005-09-20 Akim Demaille <akim@epita.fr>
8598
8599 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
8600
8601 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
8602
8603 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
8604 (YYSTACK_ALLOC_MAXIMUM): Use it.
8605 (yysyntax_error): New function.
8606 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
8607 multiple syntax errors are reported, and alloca is being used.
8608 Instead, reallocate buffers twice as big each time, so that
8609 we waste at most half the allocated memory. Start with a small
8610 (128-byte) buffer that will suffice in most cases anyway.
8611 Use yysyntax_error to do most of the work.
8612
8613 * doc/bison.texinfo (Error Reporting, Table of Symbols):
8614 yynerrs is the number of errors reported, not the number of
8615 errors encountered.
8616
8617 * tests/glr-regression.at (Duplicated user destructor for lookahead):
8618 Mark it as expected to fail.
8619 Cast result of malloc; problem reported by twlevo@xs4all.nl.
8620 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
8621 Don't start user-code symbols with "yy", to avoid name space problems.
8622
8623 2005-09-19 Akim Demaille <akim@epita.fr>
8624
8625 Remove the traits, failed experiment.
8626 It never proved useful, and anyway because of the current
8627 definition, it was not possible to have several specialization of
8628 this traits, making it useless.
8629 * data/lalr1.cc (yy:traits): Remove.
8630 Inline its definitions in the parser class.
8631
8632 2005-09-19 Akim Demaille <akim@epita.fr>
8633
8634 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
8635 least Mac OSX with a /usr/local install of gettext.
8636
8637 2005-09-19 Akim Demaille <akim@epita.fr>
8638
8639 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
8640 and yytoken for similarity with the other skeletons.
8641
8642 2005-09-19 Akim Demaille <akim@epita.fr>
8643
8644 * NEWS, configure.ac: update version number to 2.1a.
8645
8646 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
8647
8648 * NEWS: Version 2.1.
8649
8650 * NEWS: Remove notice of yytname change, since it was never in an
8651 official release.
8652 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
8653 diagnostic.
8654 * src/output.c (prepare): Likewise.
8655 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
8656 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
8657 is not defined. This is an awful hack, but it's enough for now.
8658 All callers changed.
8659 * tests/glr-regression-at (make_value): Args are const pointers now,
8660 to avoid GCC warning.
8661 (Duplicated user destructor for lookahead): New test. Currently
8662 skipped. It fails on my host but I'm not sure it'll always fail.
8663
8664 2005-09-16 Akim Demaille <akim@epita.fr>
8665
8666 * src/symtab.h (struct symbol): Declare the printer and destructor
8667 as const, to avoid accidental calls to free.
8668 (symbol_destructor_set, symbol_printer_set): Adjust.
8669 * src/symtab.c: Adjust.
8670
8671 2005-09-16 Akim Demaille <akim@epita.fr>
8672
8673 * data/c.m4 (b4_token_enums): New.
8674 (b4_token_defines): Rename as...
8675 (b4_token_enums_defines): this.
8676 (b4_token_defines): New, output only the #defines.
8677 * data/yacc.c, data/glr.c: Adjust.
8678 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
8679 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
8680 as default values.
8681
8682 2005-09-16 Akim Demaille <akim@epita.fr>
8683
8684 * data/lalr1.cc (yylex_): Remove, inline its code.
8685 (yyreport_syntax_error_): Remove, replaced by...
8686 (yysyntax_error_): this which returns a string and leaves to the
8687 caller the call to the users' error function.
8688 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
8689 Move from members of the parser object...
8690 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
8691 to local variables of the parse function.
8692
8693 2005-09-16 Akim Demaille <akim@epita.fr>
8694
8695 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
8696 since it's in Bison's name space.
8697
8698 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
8699
8700 * data/glr.c (yyresolveValue): Add default case to pacify
8701 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
8702
8703 * NEWS: Document when yyparse started to return 2.
8704 * doc/bison.texinfo (Parser Function): Document when yyparse
8705 returns 2.
8706
8707 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
8708 (b4_filename_type): Renamed back from b4_file_name_type. All uses
8709 changed.
8710 (class position): file_name -> filename (reverting). All uses changed.
8711
8712 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
8713
8714 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
8715 do anything if $@ exists. This reverts part of the 2005-07-07
8716 patch.
8717
8718 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
8719
8720 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
8721 contains obsolete information and isn't worth distributing as a
8722 separate file anyway.
8723 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
8724 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
8725 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
8726 (yyparse): Abort if user code uses longjmp to throw an unexpected
8727 value.
8728
8729 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
8730
8731 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
8732 Suggested by twlevo@xs4all.nl.
8733
8734 * data/glr.c (YYCHK1): Do not assume YYE is in range.
8735 This avoids a diagnostic from gcc -Wswitch-enum.
8736 Problem reported by twlevo@xs4all.nl.
8737
8738 * doc/bison.texinfo: Don't use "filename", as per GNU coding
8739 standards. Use "file name" or "file" or "name", depending on
8740 the context.
8741 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
8742 not to hack/foo.tab.c.
8743 (Calc++ Top Level): 2nd arg of main is not const.
8744 * data/glr.c: b4_filename -> b4_file_name.
8745 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
8746 All uses changed.
8747 (class position): filename -> file_name. All uses changed.
8748 * data/yacc.c: b4_filename -> b4_file_name.
8749 * lib/bitset.h: filename -> file_name in local vars.
8750 * lib/bitset_stats.c: Likewise.
8751 * src/files.c: Likewise.
8752 * src/scan-skel.l ("@output ".*\n): Likewise.
8753 * src/files.c (file_name_split): Renamed from filename_split.
8754 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
8755
8756 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
8757
8758 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
8759 to accommodate latest gnulib.
8760
8761 * tests/glr-regression.at (Duplicate representation of merged trees):
8762 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
8763
8764 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
8765 needed.
8766
8767 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
8768
8769 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
8770 All uses changed. Invoke user destructor after an error during a
8771 split parse (trivial change from Joel E. Denny).
8772
8773 * tests/glr-regression.at
8774 (User destructor after an error during a split parse): New test case.
8775 Problem reported by Joel E. Denny in:
8776 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
8777
8778 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
8779
8780 * README-cvs: Give URLs for recommended tools.
8781 Mention Gzip version problem, and bootstrapping issues.
8782 Remove troubleshooting section, as it's somewhat obsolete.
8783
8784 * bootstrap (no_cache): New var, to accommodate different wget
8785 variants. Use it instead of '-C off'. Problem reported by
8786 twlevo@xs4all.nl.
8787
8788 * data/glr.c (yydestroyStackItem): New function.
8789 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
8790 debugging information. Problem reported by Joel E. Denny.
8791
8792 2005-08-25 Akim Demaille <akim@epita.fr>
8793
8794 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
8795
8796 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
8797
8798 * data/glr.c (yyrecoverSyntaxError, yyreturn):
8799 Don't invoke destructor on unresolved entries.
8800 * tests/glr-regression.at
8801 (User destructor for unresolved GLR semantic value): New test case.
8802 Problem reported by Joel E. Denny in:
8803 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
8804
8805 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
8806
8807 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
8808 Add strnlen.c.
8809 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
8810 lib-prefix.m4, po.m4.
8811
8812 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
8813 in yydestruct diagnostic, since it might not be an error.
8814 Problem reported by Joel Denny near end of
8815 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8816 * data/lalr1.cc (yyerturn): Likewise.
8817 * data/yacc.c (yyreturn): Likewise.
8818 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
8819
8820 * src/files.c: Remove obsolete FIXME comment.
8821
8822 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
8823 with the other templates, and to fix bogus run-on messages such
8824 as the one reported at the end of
8825 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8826 All callers changed to avoid the newline.
8827 (yyprocessOneStack): Output two lines rather than one, to accommodate
8828 the above change. This changes the debug output format slightly.
8829
8830 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
8831 reported by Joel E. Denny in
8832 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
8833 (trivial change).
8834 * tests/glr-regression.at (Duplicate representation of merged trees):
8835 New test, from Joel E. Denny in:
8836 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
8837 * THANKS: Add Joel E. Denny.
8838
8839 * configure.ac (AC_INIT): Bump to 2.0c.
8840
8841 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
8842
8843 * NEWS: Version 2.0b.
8844
8845 * Makefile.am (SUBDIRS): Put examples before tests, so that
8846 "make check" doesn't finish with "All 1 tests passed".
8847
8848 * tests/regression.at (Token definitions): Don't rely on
8849 AT_PARSER_CHECK for data that contains backslashes. It currently
8850 uses 'echo', and 'echo' isn't portable if its argument contains
8851 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
8852 that the byte '\0xff' is not printable in the C locale; it is,
8853 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
8854 not printable, so use '\0x81' to test.
8855
8856 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
8857 version of GCC, since the macro is used with non-GCC compilers.
8858
8859 Fix core dump reported by Pablo De Napoli in
8860 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
8861 * tests/regression.at (Invalid inputs with {}): New test.
8862 * src/parse-gram.y (token_name): Translate type before using
8863 it as an index.
8864
8865 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
8866 the user's name space. All uses changed to __attribute__
8867 ((__unused__)).
8868 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
8869 Add __attribute__ ((__noreturn__)).
8870
8871 * etc/clcommit: Remove. We weren't using it, and it failed
8872 "make maintainer-distcheck".
8873 * Makefile.maint: Merge from coreutils.
8874 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
8875 (syntax-check-rules): Change list of rules as described below.
8876 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
8877 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
8878 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
8879 (sc_trailing_space): New rules.
8880 (sc_xalloc_h_in_src): Remove.
8881 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
8882 (sc_space_tab, sc_error_exit_success, sc_changelog):
8883 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
8884 (makefile-check, po-check, author_mark_check):
8885 (makefile_path_separator_check, copyright-check):
8886 Use grep -n, to make it easier to find violations.
8887 Use CVS_LIST and CVS_LIST_EXCEPT.
8888 (header_regexp, h_re): Remove.
8889 (dd_c): New macro.
8890 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
8891 (my-distcheck): Use more-modern GCC flags.
8892 (signatures, %.asc): Remove.
8893 (rel-files, announcement): Remove signatures.
8894 Restore old updating code, even though we don't use it, so
8895 that we're the same as coreutils.
8896 (alpha, beta, major): Depend on news-date-check.
8897 Make the upload commands.
8898
8899 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
8900 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
8901 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
8902 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
8903 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
8904 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
8905 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
8906 * tests/sets.at: Likewise.
8907
8908 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
8909 we comment out the Autoconf version number.
8910 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
8911 it's error-prone and "make maintainer-distcheck" rejects it.
8912
8913 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
8914 Indent calls to "error" to pacify "make maintainer-distcheck",
8915 when the calls are not intended to be translated.
8916 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
8917
8918 * src/Makefile.am (DEFS): Use +=, to pacify
8919 "make maintainer-distcheck".
8920 (bison_SOURCES): Add scan-skel.h.
8921 (sc_tight_scope): New rule, from coreutils.
8922
8923 * src/files.c (src_extension, header_extension):
8924 Now static, not extern.
8925 * src/getargs.c (short_options): Likewise.
8926 * src/muscle_tab.c (muscle_table): Likewise.
8927 * src/parse-gram.y (current_class, current_type, current_prec):
8928 Likewise.
8929 * src/reader.c (grammar_end, previous_rule_end): Likewise.
8930 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
8931 * src/main.c (main): Cast bindtextdomain and textdomain calls to
8932 void, to avoid warning when NLS is disabled.
8933 * src/output.c: Include scan-skel.h.
8934 (scan_skel): Remove decl, since scan-skel.h does this.
8935 (output_skeleton):
8936 Indent calls to "error" to pacify "make maintainer-distcheck".
8937 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
8938 * src/reader.h (gram_end, gram_lineno): New decls to pacify
8939 "make maintainer-distcheck".
8940 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
8941 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
8942 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
8943 (skel_lex_destroy, scan_skel): Move these decls to...
8944 * src/scan-skel.h: New file.
8945 * src/uniqstr.c (uniqstr_assert):
8946 Indent calls to "error" to pacify "make maintainer-distcheck".
8947
8948 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
8949 not @VAR@.
8950
8951 * tests/torture.at: Revamp to avoid misuse of atoi that
8952 "make maintainer-distcheck" complained about.
8953
8954 * examples/extexi (message): Don't print a message more than once,
8955 and omit line-number decoration that makes Emacs compile think
8956 that informative messages are worth worrying about.
8957
8958 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
8959
8960 * configure.ac: Update version number.
8961
8962 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
8963 accidentally.
8964 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
8965 autogenerated by the maintainer.
8966 * examples/calc++/.cvsignore: Add *.yy.
8967
8968 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
8969 * lib/bitset_stats.c (bitset_stats_init): Likewise.
8970 * lib/bitsetv.c (bitsetv_alloc): Likewise.
8971
8972 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
8973
8974 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
8975 from maintainer-distcheck about casting the argument of 'free'.
8976
8977 * NEWS: Mention recent yytname changes.
8978 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
8979
8980 * bootstrap: For translations that have not yet been upgraded to
8981 the new runtime-po domain, prime the pump by extracting the
8982 relevant strings from the obsolete translations. This code can be
8983 removed once the bison-runtime domain has been translated by each
8984 team.
8985
8986 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
8987 now that token names are already quoted.
8988
8989 Fix problem reported by Anthony Heading.
8990 * data/glr.c (YYTOKEN_TABLE): New macro.
8991 (yytname): Define if YYTOKEN_TABLE.
8992 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
8993 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
8994 (YYERROR_VERBOSE): Define the same way the other skeletons do.
8995 * src/output.c (prepare_symbols): Output token_table_flag.
8996
8997 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
8998
8999 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
9000 again if the first call fails.
9001
9002 * data/glr.c (yytnamerr): New function.
9003 (yyreportSyntaxError): Use it to dequote most string literals.
9004 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
9005 with other skeletons. All uses changed.
9006 (yytnameerr_): New function.
9007 (yyreport_syntax_error): Use it to dequote most string literals.
9008 * data/yacc.c (yytnamerr): New function.
9009 (yyerrlab): Use it to decode most string literals.
9010 * doc/bison.texinfo (Decl Summary, Calling Convention):
9011 Clarify quoting convention of yytname.
9012 * src/output.c (prepare_symbols): Quote all names. This undoes
9013 the 2005-04-17 change, which is now accomplished (mostly) via
9014 changes in the parsers as described above.
9015 * tests/regression.at (Token definitions, Web2c Actions):
9016 Undo most 2005-04-17 change here, too.
9017
9018 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
9019
9020 Fix more problems reported by twlevo@xs4all.nl.
9021 * tests/cxx-type.at: Don't pipe output of ./types through sed to
9022 remove trailing spaces. This loses the exit status of ./types,
9023 and isn't needed since ./types shouldn't be emitting trailing
9024 spaces.
9025 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
9026 as the stack isn't valid in that case.
9027
9028 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9029 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9030 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9031 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
9032 is used.
9033 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
9034 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9035 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9036 Likewise.
9037
9038 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
9039 overly-picky compilers that reject 'char *foo = "bar";'.
9040
9041 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
9042 to FILE * parameter, not to stderr. This fixes a typo introduced
9043 in the 2005-07-12 change.
9044
9045 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
9046 warnings from GCC 4.
9047
9048 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
9049 (yyglrShiftDefer, yysplitStack):
9050 Remove unused parameters b4_pure_formals. All uses changed.
9051 (yyglrShift): Remove unused parameters b4_user_formals.
9052 All uses changed.
9053 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
9054
9055 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
9056
9057 Destructor cleanups and regularization among the three skeletons.
9058 * NEWS: Document the behavior changes.
9059 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
9060 stack before failing, as the cleanup code will do it for us now.
9061 * data/lalr1.cc (yyerrlab): Likewise.
9062 * data/glr.c (yyparse): Pop everything off the stack before
9063 freeing it, so that destructors get called properly.
9064 * data/lalr1.cc (yyreturn): Likewise.
9065 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
9066 This is more consistent.
9067 * doc/bison.texinfo (Destructor Decl): Mention more reasons
9068 why destructors might be called. 1.875 -> 2.1.
9069 (Destructor Decl, Decl Summary, Table of Symbols):
9070 Some English-language cleanups for %destructor.
9071 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9072 Add output line for destructor of start symbol.
9073 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
9074 because of that same extra output line.
9075
9076 * NEWS: Document minor wording changes in diagnostics of
9077 Bison-generated parsers.
9078 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
9079 Remove unused formals. All uses changed.
9080 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
9081 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
9082 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
9083 Rename yyoverflowab to yyexhaustedlab.
9084 When memory exhaustion occurs during syntax-error reporting,
9085 report it separately rather than in a single diagnostic; this
9086 eases translation.
9087 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
9088 (Memory Exhausted): Renamed from Parser Stack Overflow.
9089 Revamp wording slightly to prefer "memory exhaustion".
9090 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
9091
9092 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
9093
9094 Add i18n support to the GLR skeleton. Partially fix the C++
9095 skeleton; a C++ expert needs to finish this. Remove debugging
9096 msgids; there's little point to having them translated, since they
9097 can be understood only by someone who can read the
9098 (English-language) source code.
9099
9100 Generate runtime-po/bison-runtime.pot automatically, so that we
9101 don't have to worry about garbage getting in that file. We'll
9102 make sure after the next official release that old msgids don't
9103 get lost. See
9104 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
9105
9106 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
9107 Now auto-generated.
9108 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
9109 Fix typos in explanations of the runtime file.
9110 * bootstrap: Change gettext keyword from YYI18N to YY_.
9111 Use standard Makefile.in.in in runtime-po, since we'll arrange
9112 for backward-compatible bison-runtime.po files in a different way.
9113 * data/glr.c (YY_): New macro, from yacc.c.
9114 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
9115 Translate messages intended for users.
9116 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
9117 the wording in the other skeletons. We don't know that the memory
9118 is virtual.
9119 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
9120 Use same method that yacc.c uses.
9121 Don't translate debugging messages.
9122 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
9123 it doesn't work (yet), and requires C++ expertise to fix.
9124 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
9125 Move defn to a more logical place, to be consistent with other
9126 skeletons.
9127 Don't translate debugging messages.
9128 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
9129 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
9130 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
9131 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
9132
9133 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
9134 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
9135 void, not int.
9136 * tests/glr-regression.at (Badly Collapsed GLR States):
9137 Likewise.
9138 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9139 yylex should return 0 at EOF rather than aborting.
9140
9141 Improve tests for stack overflow in GLR parser.
9142 Problem reported by twlevo@xs4all.nl.
9143 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
9144 All uses removed.
9145 (yyStackOverflow): Just longjmp, but with value 2 so that caller
9146 can handle the problem.
9147 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
9148 (yyparse): New local variable yyresult to record the result.
9149 Use result of setjmp to set it, rather than storing itinto
9150 struct.
9151 (yyDone): Remove label.
9152 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
9153 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
9154 if YYABORT is used).
9155 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
9156 yyparse status; put status > 1 into diagnostic.
9157 Check that status==2 works.
9158 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
9159 Use exit status 3 for failure to open (which shouldn't happen).
9160
9161 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
9162
9163 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
9164 1 on syntax error; just let yyparse do its thing.
9165 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
9166 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
9167 (Exploding the Stack Size with Alloca):
9168 (Exploding the Stack Size with Malloc):
9169 Expect exit status 2, not 1, since the parser is supposed to blow
9170 its stack. Problem reported by twlevo@xs4all.nl.
9171
9172 * data/glr.c (yyparse): Don't assume that the initial calls
9173 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
9174 Print a stack-overflow message and fail instead.
9175 Initialize the line-number information before creating the stack,
9176 so that the stack-overflow message can report line zero safely.
9177
9178 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
9179
9180 Fix problems reported by twlevo@xs4all.nl.
9181 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
9182 (yyuserMerge): Provide a default case if b4_mergers is empty.
9183 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
9184 * tests/glr-regression.at
9185 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9186 Add casts to pacify C++ compilers.
9187 * tests/glr-regression.at (Improper merging of GLR delayed action
9188 sets): Declare yylex before using it.
9189 * tests/Makefile.am (maintainer-check-g++): Fix a stray
9190 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
9191 test for valgrind; valgrind is independent of g++.
9192 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
9193 for compatibility with POSIX 1003.1-2001 (if running coreutils).
9194 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
9195 Use a destructor, so that we can expand the stack. Change
9196 YYSTYPE to char * so that we can free it. Cast result of malloc.
9197
9198 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9199
9200 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
9201 a valgrind failure. Problem reported by twlevo@xs4all.nl.
9202
9203 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
9204
9205 * PACKAGING: New file, suggested by Bruno Haible and taken from
9206 similar wording in gettext's PACKAGING file.
9207 * NEWS: Mention PACKAGING.
9208 * Makefile.am (EXTRA_DIST): Add PACKAGING.
9209
9210 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
9211
9212 * NEWS: Document recent i18n improvements.
9213 * bootstrap: Get runtime translations into runtime-po.
9214 Create runtime-po files automatically, if possible.
9215 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
9216 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
9217 does not infringe on the user's name space.
9218 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
9219 * doc/bison.texinfo (Internationalization): Revamp the English
9220 and Texinfo syntax a bit, to try to make it clearer.
9221 (Bison Options, Option Cross Key): Mention --print-localedir.
9222 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
9223 YYENABLE_NLS. Quote a bit more.
9224 * runtime-po/.cvsignore: New file.
9225 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
9226 * runtime-po/Rules-quot: Remove; now created by bootstrap.
9227 * runtime-po/quot.sed: Likewise.
9228 * runtime-po/boldquot.sed: Likewise.
9229 * runtime-po/en@quot.header: Likewise.
9230 * runtime-po/en@boldquot.header: Likewise.
9231 * runtime-po/insert-header.sin: Likewise.
9232 * runtime-po/remove-potcdate.sin: Likewise.
9233 * runtime-po/Makevars: Likewise.
9234 * runtime-po/LINGUAS: Likewise.
9235 * runtime-po/de.po: Likewise; we will rely on the translation project
9236 to maintain this, so "bootstrap" should get it.
9237 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
9238 its value.
9239 * src/main.c (main): Bind the bison-runtime domain, too.
9240
9241 2005-07-12 Bruno Haible <bruno@clisp.org>
9242
9243 * data/yacc.c: Include <libintl.h> when NLS is enabled.
9244 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
9245 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
9246 * runtime-po: New directory.
9247 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
9248 $(DOMAIN).pot-update rule, so that old messages are never dropped.
9249 * runtime-po/Rules-quot: New file, copied from po/.
9250 * runtime-po/quot.sed: Likewise.
9251 * runtime-po/boldquot.sed: Likewise.
9252 * runtime-po/en@quot.header: Likewise.
9253 * runtime-po/en@boldquot.header: Likewise.
9254 * runtime-po/insert-header.sin: Likewise.
9255 * runtime-po/remove-potcdate.sin: Likewise.
9256 * runtime-po/Makevars: New file.
9257 * runtime-po/POTFILES.in: New file.
9258 * runtime-po/LINGUAS: New file.
9259 * runtime-po/bison-runtime.pot: New file.
9260 * runtime-po/de.po: New file.
9261 * m4/bison.m4: New file.
9262 * Makefile.am (SUBDIRS): Add runtime-po.
9263 (aclocaldir, aclocal_DATA): New variables.
9264 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
9265 Define aclocaldir.
9266 * src/getargs.c (usage): Document --print-localedir option.
9267 (PRINT_LOCALEDIR_OPTION): New enum item.
9268 (long_options): Add --print-localedir option.
9269 (getargs): Handle --print-localedir option.
9270 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
9271 (Internationalization): New section.
9272
9273 2005-07-12 Akim Demaille <akim@epita.fr>
9274
9275 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
9276 for consistency with the rest of the code.
9277 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
9278 Add separators.
9279
9280 2005-07-12 Akim Demaille <akim@epita.fr>
9281
9282 * src/parse-gram.y: Use %printer instead of YYPRINT.
9283
9284 2005-07-12 Akim Demaille <akim@epita.fr>
9285
9286 * src/symtab.h, src/symtab.c (symbol_print): New.
9287 * src/symlist.h, src/symlist.c (symbol_list_print): New.
9288 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
9289
9290 2005-07-12 Akim Demaille <akim@epita.fr>
9291
9292 * data/glr.c (b4_syncline): Fix (swap) the definitions of
9293 b4_at_dollar and b4_dollar_dollar.
9294
9295 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
9296
9297 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
9298 and Pennello's paper.
9299
9300 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
9301
9302 * data/yacc.c (yyparse): Undo previous patch. Instead,
9303 set yylsp[0] and yyvsp[0] only if the initial action
9304 sets yylloc and yylval, respectively.
9305
9306 * data/yacc.c (yyparse): In the initial action, set
9307 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
9308 This avoids the use of undefined variables if the initial
9309 action does not set yylloc and/or yylval.
9310
9311 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
9312
9313 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
9314 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
9315 Remove from CVS. These files are automatically generated.
9316 * examples/extexi: Clarify that this file is now part of Bison,
9317 not GNU M4, and that it works with any POSIX-compatible Awk.
9318 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
9319 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
9320 so that we also get calc++-parser.yy. Geneate it.
9321 Use $(AWK), not gawk, since any conforming Awk will do.
9322 Put comment before action, since older 'make' can't handle comment
9323 in action.
9324 $(BUILT_SOURCES): List all built sources, not just some of them.
9325 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
9326 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
9327 $($(calc_sources_generated)): Remove unnecessary test for existence
9328 of target. (This had a shell syntax error anyway; a stray "x".)
9329 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
9330 calc++-parser.yy.
9331 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
9332
9333 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
9334 implied by the other modules.
9335
9336 2005-07-06 Akim Demaille <akim@epita.fr>
9337
9338 Bind examples/calc++ to the package.
9339 * examples/calc++/Makefile: Remove, replaced by...
9340 * examples/calc++/Makefile.am: ... this new file.
9341 * examples/calc++/test: Remove input.
9342 * examples/calc++/compile: Remove.
9343 * examples/Makefile.am: New.
9344 * configure.ac, Makefile.am: Adjust.
9345 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
9346
9347 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
9348
9349 * data/glr.c (yyFail): Drastically simplify; since the format argument
9350 never had any % directives, we can simply pass it to yyerror.
9351 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
9352 be modified later, as that is the usual style in glr.c.
9353 Problems reported by Paul Hilfinger.
9354
9355 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
9356 and size overflow errors.
9357 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
9358 in case the user prolog sets feature-test macros like _GNU_SOURCE.
9359 (YYSIZEMAX): New macro.
9360 (yystpcpy): New function, taken from yacc.c.
9361 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
9362 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
9363 so that we don't have to maintain their signatures.
9364 (yyFail): Check for buffer overflow, by using vsnprintf rather
9365 than vsprintf. Allocate a bigger buffer if possible.
9366 Report an error if buffer allocation fails.
9367 (yyStackOverflow): New function.
9368 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
9369 the initialization was successful. It might fail if storage was
9370 exhausted.
9371 (yyexpandGLRStack): Add more checks for storage allocation failure.
9372 Use yyStackOverflow to report failures.
9373 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
9374 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
9375 Don't assume stack number fits in int.
9376 (yysplitStack): Check for storage allocation failure.
9377 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
9378 can print diagnostics on storage allocation failure. All callers
9379 changed.
9380 (yyresolveValue): Use yybool for boolean.
9381 (yyreportSyntaxError): Check for size-calculation overflow.
9382 This code is taken from yacc.c.
9383 (yyparse): Check for storage allocation errors when allocating
9384 the initial stack.
9385
9386 2005-07-05 Akim Demaille <akim@epita.fr>
9387
9388 Extract calc++ from the documentation.
9389 * doc/bison.texinfo (Calc++): Add the extraction marks.
9390 * examples/extexi: New, from the aborted GNU Programming 2E.
9391 Separate the different paragraph of a file with empty lines.
9392 * examples/Makefile: Use it to extract the whole calc++ example.
9393
9394 2005-06-24 Akim Demaille <akim@epita.fr>
9395
9396 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
9397 class typedefs.
9398
9399 2005-06-22 Akim Demaille <akim@epita.fr>
9400
9401 * doc/bison.texinfo (C++ Language Interface): First stab.
9402 (C++ Parsers): Remove.
9403
9404 2005-06-22 Akim Demaille <akim@epita.fr>
9405
9406 * data/lalr1.cc (yylex_): Honor %lex-param.
9407
9408 2005-06-22 Akim Demaille <akim@epita.fr>
9409
9410 Start a set of simple examples.
9411 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
9412 * examples/calc++/calc++-driver.hh,
9413 * examples/calc++/calc++-parser.yy,
9414 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
9415 * examples/calc++/compile, examples/calc++/test: New.
9416
9417 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
9418
9419 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
9420 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
9421 which stems from the 2005-05-27 patch.
9422
9423 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9424
9425 * data/glr.c: Modify treatment of unused parameters to permit use
9426 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
9427
9428 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
9429
9430 Fix infringement on user name space reported by Janos Zoltan Szabo.
9431 * data/yacc.c (yyparse): strlen -> yystrlen.
9432
9433 2005-05-30 Akim Demaille <akim@epita.fr>
9434
9435 * data/lalr1.cc (_): New.
9436 Translate the various messages.
9437
9438 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
9439
9440 Fix infringement on user name space reported by Bruno Haible.
9441 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
9442 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
9443 the user's name space.
9444 (alloca): Include <stdlib.h> to get it, if it's not built in.
9445 (YYMALLOC, YYFREE): Define only if needed.
9446 (malloc, free): Declare, but only if needed, as this infringes on
9447 the user name space.
9448
9449 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
9450
9451 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
9452 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
9453 with %d format.
9454 * lib/ebitset.c (min, max): Undef before defining.
9455 * lib/vbitset.c (min, max): Likewise.
9456 * lib/subpipe.c (create_subpipe): Save local variables in case
9457 vfork clobbers them.
9458
9459 2005-05-24 Bruno Haible <bruno@clisp.org>
9460
9461 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
9462 error message syntax used by gcc-4.0.
9463
9464 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
9465
9466 * README: Mention m4 1.4.3. Remove obsolete advice about
9467 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
9468
9469 * bootstrap: Remove workaround for problem I encountered with
9470 gettext 0.14.1; it seems to be fixed now.
9471
9472 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
9473
9474 * NEWS: Version 2.0a.
9475
9476 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
9477 the previous change.
9478
9479 Various maintainer cleanups.
9480 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
9481 conftest*, for benefit of CVS commands run at the same time as
9482 "configure". Add build-aux, since "bootstrap" now creates it and
9483 its subfiles.
9484 * Makefile.cfg (move_if_change): Remove.
9485 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
9486 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
9487 (po_repo, do-po-update, po-update, wget_files, get-targets):
9488 (config.guess-url_prefix, config.sub-url_prefix):
9489 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
9490 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
9491 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
9492 Remove.
9493 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
9494 this is now the recommended name.
9495 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
9496 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
9497 ylwrap. These files now go into build-aux.
9498 * config/move-if-change: Remove.
9499 * config/prev-version.txt: Bump from 1.75 to 2.0.
9500
9501 * bootstrap: Add stdio-safer, unistd-safer modules.
9502 Remove m4/glibc2.m4 (introduced by latest gnulib, but
9503 we don't need it).
9504 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
9505 fopen-safer.c, stdio-safer.h, unistd-safer.h.
9506 * lib/subpipe.c: Include "unistd-safer.h".
9507 (create_subpipe): Make sure all the newly-created
9508 file descriptors are > 2, so that diagnostics don't
9509 get sent down them (which might cause Bison to hang, in theory).
9510 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
9511 * src/files.c (xfopen): Use fopen_safer, not fopen.
9512
9513 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
9514 yesterday's yacc.c fix.
9515
9516 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
9517
9518 * data/glr.c, data/lalr1.cc: Update copyright date.
9519
9520 Fix a destructor bug reported by Wolfgang Spraul in
9521 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
9522 * data/yacc.c (yyabortlab): Don't call destructor, and
9523 don't set yychar to EMPTY.
9524 (yyoverflowlab): Don't call destructor.
9525 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
9526 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
9527 since we no longer output the message "discarding lookahead token
9528 end of input ()".
9529
9530 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9531
9532 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
9533 fix a small glitch in debugging output.
9534 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
9535 after YY_SYMBOL_PRINT where needed.
9536
9537 (struct yyGLRState): Add some comments.
9538 (struct yySemanticOption): Add some comments.
9539 (union yyGLRStackItem): Add comment.
9540
9541 (yymergeOptionSets): Correct this to properly perform the union,
9542 avoiding infinite reported by Michael Rosien.
9543 Update comment.
9544
9545 * tests/glr-regression.at: Add test for GLR merging error reported
9546 by M. Rosien.
9547
9548 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
9549
9550 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
9551 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
9552 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
9553 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
9554 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
9555 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
9556 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
9557 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
9558 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
9559 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
9560 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
9561 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
9562 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
9563 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
9564 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
9565 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
9566 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
9567 src/derives.h, src/files.c, src/files.h, src/getargs.c,
9568 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
9569 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
9570 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
9571 src/output.h, src/parse-gram.c, src/parse-gram.h,
9572 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
9573 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
9574 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
9575 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
9576 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
9577 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
9578 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
9579 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
9580 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
9581 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
9582 tests/reduce.at, tests/regression.at, tests/sets.at,
9583 tests/synclines.at, tests/testsuite.at, tests/torture.at:
9584 Update FSF postal mail address.
9585
9586 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
9587
9588 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
9589 Problem reported by Ralf Menzel.
9590
9591 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
9592
9593 * tests/actions.at: Test that stack overflow invokes destructors.
9594 From Marcus Holland-Moritz.
9595 * data/yacc.c (yyerrlab): Move the code that destroys the stack
9596 from here....
9597 (yyreturn): to here. That way, destructors are called properly
9598 even if the stack overflows, or the user calls YYACCEPT or
9599 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
9600 (yyoverflowlab): Destroy the lookahead.
9601
9602 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
9603
9604 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
9605
9606 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
9607
9608 * NEWS: Bison-generated C parsers no longer quote literal strings
9609 associated with tokens.
9610 * src/output.c (prepare_symbols): Don't escape strings,
9611 since users don't want to see C escapes.
9612 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
9613 in diagnostics.
9614 * tests/input.at (Torturing the Scanner): Likewise.
9615 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
9616
9617 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
9618
9619 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
9620 the data size is known to be too small and we can't increase it.
9621 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
9622
9623 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
9624
9625 * src/parse-gram.y: Include quotearg.h.
9626 (string_as_id): Quote $1 before using it as a key, since the
9627 lexer no longer quotes it for us.
9628 (string_content): Don't strip quotes, since lexer no longer
9629 quotes it for us.
9630 * src/scan-gram.l: Include quotearg.h.
9631 ("\""): Omit quote.
9632 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
9633 a key, since the rest of the lexer doesn't quote it.
9634 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
9635 * tests/regression.at (Token definitions): Check for backslashes
9636 in token strings.
9637
9638 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
9639 (YYSIZE_T): Define to unsigned long int when using an older compiler.
9640 (yyparse): Revamp code to generate long syntax error message, to
9641 make it easier to translate, and to avoid problems with arithmetic
9642 overflow. Change "virtual memory" to "memory" in diagnostic, since
9643 we don't know whether the memory is virtual.
9644
9645 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
9646
9647 * NEWS: Bison-generated C parsers now use the _ macro to
9648 translate strings.
9649 * data/yacc.c (_) [!defined _]: New macro.
9650 All English strings wrapped inside this macro.
9651 * doc/bison.texinfo (Bison Parser): Document _.
9652 * po/POTFILES.in: Include src/parse-gram.c, since it now
9653 includes translateable strings that parse-gram.y doesn't.
9654
9655 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
9656
9657 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
9658 reverting the 2004-10-11 change to this function.
9659 (symbol_check_alias_consistency): Don't call symbol_type_set
9660 if the type name is already correct.
9661 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
9662
9663 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
9664
9665 * tests/regression.at (Token definitions): Don't use a token named
9666 c, as that generates a "#define c ..." that runs afoul of buggy
9667 stdlib.h that uses the identifier c as a member of struct
9668 drand48_data. Problem reported by Horst Wente.
9669
9670 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
9671
9672 * bootstrap: Change translation URL from
9673 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
9674 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
9675 redirection glitches. Problem reported by twlevo@xs4all.nl.
9676
9677 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
9678
9679 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
9680 after operands; POSIX says this isn't portable for the c99 command.
9681
9682 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
9683
9684 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
9685 immediately if a data overrun has occurred; this may help us track
9686 down what may be a spurious failure on MacOS.
9687
9688 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
9689
9690 Respond to problems reported by twlevo@xs4all.nl.
9691
9692 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
9693
9694 * src/vcg.h: Comment fix.
9695 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
9696 (G_CMAX): Change to -1 instead of INT_MAX.
9697
9698 * data/yacc.c (yyparse): Omit spaces before #line.
9699
9700 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
9701
9702 * src/tables.c (state_number_to_vector_number): Put it inside an
9703 "#if 0", since it's not currently used. Problem reported by
9704 Roland McGrath.
9705
9706 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
9707
9708 * src/output.c (escaped_output): Renamed from
9709 escaped_file_name_output, since we now use it for symbol tags as
9710 well. All uses changed.
9711 (symbol_destructors_output, symbol_printers_output):
9712 Escape symbol tags too.
9713 Problem reported by Matyas Forstner in
9714 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
9715
9716 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
9717 not needed.
9718 * src/output.c (user_actions_output, token_definitions_output,
9719 symbol_destructors_output, symbol_printers_output): Likewise.
9720 * src/reader.c (prologue_augment): Likewise.
9721 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
9722
9723 * src/vcg.c (output_edge): Don't quote linestyle arg.
9724 Problem reported by twlevo@xs4all.nl.
9725
9726 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
9727
9728 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
9729 example, reported by Derek M Jones. Also, make the example even
9730 more outrageous, to better illustrate how bad the problem is.
9731
9732 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
9733
9734 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
9735 putsym. Typo reported by Sebastian Piping.
9736
9737 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
9738
9739 * doc/bison.texinfo (Language and Grammar): some -> same
9740 (Epilogue): int he -> in the
9741 Typos reported by Sebastian Piping via Justin Pence.
9742
9743 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
9744
9745 * tests/glr-regression.at (Improper handling of embedded actions
9746 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
9747 embedded actions and $-N in GLR parsers", work around an Autoconf bug
9748 with dollar signs in test names.
9749 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
9750 for a similar reason.
9751
9752 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
9753
9754 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
9755 wants to redefine G_VIEW.
9756
9757 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
9758
9759 * src/vcg.c (get_view_str): Remove case for normal_view.
9760 Problem reported by twlevo@xs4all.nl.
9761
9762 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
9763
9764 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
9765 Problem reported by twlevo@xs4all.nl.
9766
9767 * doc/bison.texinfo: Change @dircategory from "GNU programming
9768 tools" to "Software development". Requested by Richard Stallman
9769 via Karl Berry.
9770
9771 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
9772
9773 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
9774 Problem reported by twlevo@xs4all.nl.
9775
9776 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
9777
9778 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
9779 keyword; it's not needed with modern compilers, and it doesn't
9780 affect correctness with older compilers. Suggested by
9781 twlevo@xs4all.nl.
9782
9783 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
9784
9785 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
9786 gcc -Wswitch-default.
9787 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
9788 * data/yacc.c (yyparse): Likewise.
9789
9790 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
9791
9792 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
9793 already. Let config.h define any nonstandard values.
9794
9795 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
9796
9797 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
9798 for the benefit of slower hosts. Problem reported by
9799 Nelson H. F. Beebe.
9800
9801 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
9802
9803 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
9804 being defined and not used.
9805 * data/lalr1.cc (yyparse): Likewise.
9806 Use "if (false)" rather than "if (0)".
9807
9808 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
9809
9810 * TODO: Mention that we should allow NUL bytes in tokens.
9811
9812 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
9813
9814 * src/scan-skel.l (<<EOF>>): Don't close standard output.
9815 Problem reported by Hans Aberg.
9816
9817 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
9818
9819 * src/getargs.c (version): Happy new year; update overall
9820 program copyright date from 2004 to 2005.
9821
9822 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
9823 Problem reported by Hans Aberg.
9824 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
9825 (Output file names.): Add a test for the case when standard output
9826 is closed.
9827
9828 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
9829
9830 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
9831 to fix an oversight in the Bison 2.0 manual.
9832
9833 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
9834
9835 * NEWS: Version 2.0. Reformat the existing news items since
9836 1.875, so that related items are grouped together.
9837 * configure.ac (AC_INIT): Bump version to 2.0.
9838 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
9839
9840 * tests/torture.at (Exploding the Stack Size with Alloca): Set
9841 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
9842 otherwise, we're not testing alloca. Unfortunately there's no
9843 simple way to consult HAVE_ALLOCA here.
9844
9845 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
9846 for yymsg, too.
9847
9848 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
9849 hand. This avoids a warning about comparing int to size_t when
9850 GCC warnings are enabled.
9851
9852 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
9853
9854 * NEWS: Bison-generated parsers no longer default to using the
9855 alloca function (when available) to extend the parser stack, due
9856 to widespread problems in unchecked stack-overflow detection.
9857 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
9858 responsibility to set it to a positive value. This lets the user
9859 specify a value that is not a preprocessor constant.
9860 * data/yacc.c (YYMAXDEPTH): Likewise.
9861 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
9862 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
9863 to be a compile-time constant. However, explain the constraints on it.
9864 Also, explain the constraints on YYINITDEPTH.
9865 (Table of Symbols): Explain that alloca is no longer the default.
9866 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
9867 to 1.
9868
9869 * doc/bison.texinfo (Location Default Action): Mention that n must
9870 be zero when k is zero. Suggested by Frank Heckenbach.
9871
9872 2004-12-22 Akim Demaille <akim@epita.fr>
9873
9874 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
9875 (parser::state_type, parser::semantic_type, parser::location_type):
9876 Private, not public.
9877 (parser::parse): Return ints, not bool.
9878 Returning a bool introduces a problem: 0 corresponds to false, and
9879 it seems weird to return false on success. Returning true changes
9880 the conventions for yyparse.
9881 Alternatively we could return void and send an exception.
9882 There is no clear consensus (yet?).
9883 (state_stack, semantic_stack, location_stack): Rename as...
9884 (state_stack_type, semantic_stack_type, location_stack_type): these.
9885 Private, not public.
9886 * tests/c++.at: New.
9887 * tests/testsuite.at, tests/Makefile.am: Adjust.
9888
9889 2004-12-21 Akim Demaille <akim@epita.fr>
9890
9891 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
9892
9893 2004-12-21 Akim Demaille <akim@epita.fr>
9894
9895 Don't impose std::string for filenames.
9896
9897 * data/lalr1.cc (b4_filename_type): New.
9898 (position::filename): Use it.
9899 (parser.hh): Move the inclusion of stack.hh and location.hh below
9900 the user code, so that needed headers for the filename type can be
9901 included first.
9902 Forward declare them before the user code.
9903 * tests/Makefile.am (check-local, installcheck-local): Pass
9904 TESTSUITEFLAGS to the TESTSUITE.
9905
9906 2004-12-20 Akim Demaille <akim@epita.fr>
9907
9908 Use more STL like names: my_class instead of MyClass.
9909
9910 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
9911 (SemanticStack, SemanticType, StateStack, StateType)
9912 (TokenNumberType, Stack, Slice, Traits, Parser::location)
9913 (Parser::value): Rename as...
9914 (location_stack, location_type, rhs_number_type, semantic_stack)
9915 (semantic_type, state_stack, state_type, token_number_type, stack)
9916 (slice, traits, parser::yylloc, parser::yylval): these.
9917
9918 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
9919
9920 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
9921
9922 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
9923 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
9924
9925 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
9926
9927 Remove uses of 'short int' and 'unsigned short int'. This raises
9928 some arbitrary limits. It uses more memory but nowadays that's
9929 not much of an issue.
9930
9931 This change does not affect the generated parsers; that's a different
9932 task, as some users will want to conserve memory there.
9933
9934 Ideally we should use size_t to represent all object counts, and
9935 something like ptrdiff_t to represent signed differences of object
9936 counts; but that will require more code-cleanup than I have the
9937 time to do right now.
9938
9939 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
9940 Use size_t, not int or short int, to count objects.
9941 * src/closure.c (nritemset, closure): Likewise.
9942 * src/closure.h (nritemset, closure): Likewise.
9943 * src/nullable.c (nullable_compute): Likewise.
9944 * src/print.c (print_core): Likewise.
9945 * src/print_graph.c (print_core): Likewise.
9946 * src/state.c (state_compare, state_hash): Likewise.
9947 * src/state.h (struct state): Likewise.
9948 * src/tables.c (default_goto, goto_actions): Likewise.
9949
9950 * src/gram.h (rule_number, rule): Use int, not short int.
9951 * src/output.c (prepare_rules): Likewise.
9952 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
9953 errs, reductions): Likewise.
9954 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
9955 Likewise.
9956 * src/tables.c (vector_number, tally, action_number,
9957 ACTION_NUMBER_MINIMUM): Likewise.
9958 * src/output.c (muscle_insert_short_int_table): Remove.
9959
9960 2004-12-17 Akim Demaille <akim@epita.fr>
9961
9962 * data/lalr1.cc: Extensive Doxygenation.
9963 (error_): Rename as...
9964 (error): this, since it is visible to the user.
9965 Adjust callers.
9966 (Parser::message): Now an automatic variable from...
9967 (Parser::yyreport_syntax_error_): here.
9968 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
9969 Parser::error.
9970 * tests/input.at: Escape $.
9971
9972 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
9973
9974 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
9975 Parenthesize rhs to avoid obscure problems with mistakes like
9976 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
9977 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
9978 b4_rhs_location): Likewise.
9979 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
9980 b4_rhs_location): Likewise.
9981
9982 2004-12-16 Akim Demaille <akim@epita.fr>
9983
9984 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
9985 yacc.c: be sure to stay within yycheck_.
9986 * tests/actions.at: Re-enable C++ tests.
9987
9988 2004-12-16 Akim Demaille <akim@epita.fr>
9989
9990 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
9991 real.
9992
9993 2004-12-16 Akim Demaille <akim@epita.fr>
9994
9995 Use #define to handle the %name-prefix.
9996
9997 * data/glr.c, data/yacc.c: Comment changes.
9998 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
9999 so that one can refer to yylex in the parser file, and have it
10000 renamed, as is the case with other skeletons.
10001
10002 2004-12-16 Akim Demaille <akim@epita.fr>
10003
10004 Move lalr1.cc internals into yy*.
10005
10006 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
10007 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
10008 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
10009 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
10010 (empty_, final_, terror_, errcode_, ntokens_)
10011 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
10012 (looka_, ilooka_, error_range_, nerrs_):
10013 Rename as...
10014 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
10015 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
10016 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
10017 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
10018 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
10019 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
10020 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
10021 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
10022 these.
10023
10024 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
10025
10026 Fix some problems reported by twlevo at xs4all.
10027 * src/symtab.c (symbol_new): Report an error if the input grammar
10028 contains too many symbols. This is better than calling abort() later.
10029 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
10030 (struct node, struct graph):
10031 Rename member expand to stretch. All uses changed.
10032 (struct graph): Remove member layoutalgorithm. All uses removed.
10033 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
10034 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
10035 All uses changed.
10036 (N_STRETCH): Rename from N_EXPAND. All uses changed.
10037
10038 2004-12-15 Akim Demaille <akim@epita.fr>
10039
10040 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
10041 Add more Doxygen comments.
10042 (symprint_, stack_print_, reduce_print_, destruct_, pop)
10043 (report_syntax_error_, translate_): Rename as...
10044 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
10045 (yypop_, yyreport_syntax_error_, yytranslate_): this.
10046
10047 2004-12-15 Akim Demaille <akim@epita.fr>
10048
10049 * data/lalr1.cc (lex_): Rename as...
10050 (yylex_): this.
10051 Move the trace here.
10052 Take the %name-prefix into account.
10053 Reported by Alexandre Duret-Lutz.
10054
10055 2004-12-15 Akim Demaille <akim@epita.fr>
10056
10057 Simplify the C++ parser constructor.
10058
10059 * data/lalr1.cc (debug_): Rename as...
10060 (yydebug_): so that the parser's internals are always in the yy*
10061 pseudo namespace.
10062 Adjust uses.
10063 (b4_parse_param_decl): Remove the leading comma as it is now only
10064 called as unique argument list.
10065 (Parser::Parser): Remove the constructor accepting a location and
10066 an initial debugging level.
10067 Remove from the other ctor the argument for the debugging level.
10068 (debug_level_type, debug_level, set_debug_level): New.
10069
10070 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
10071 constructor calls.
10072
10073 2004-12-15 Akim Demaille <akim@epita.fr>
10074
10075 Remove b4_root related material: failure experiment
10076 (which goal was to allow to derive from a class).
10077
10078 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
10079 definitions and uses.
10080
10081 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
10082
10083 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
10084 not 2, since it's not portable to subtract 1 from the start of an
10085 array. The new item 0 is never set or used. All uses changed.
10086
10087 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
10088 the default definition of YYLLOC_DEFAULT. Problem reported
10089 by Frank Heckenbach.
10090
10091 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
10092
10093 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
10094 the normal case and one for the error case. Just use the
10095 first one uniformly. Problem reported by Frank Heckenbach.
10096 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
10097 use exactly the same macro in both places.
10098 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
10099 so that the normal-case YYRHSLOC works for the error case too.
10100 All uses changed.
10101 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
10102 (YYLLOC_DEFAULT): Use the same macro as glr.c.
10103 * doc/bison.texinfo (Location Default Action): Don't claim that
10104 we have an array of locations. Use the same macro for both glr
10105 and lalr parsers. Mention YYRHSLOC. Mention what happens when
10106 the index is 0.
10107
10108 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10109
10110 * HACKING: Update email addresses to send announcements to.
10111
10112 * configure.ac (AC_INIT): Bump version to 1.875f.
10113
10114 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10115
10116 * NEWS: Version 1.875e.
10117 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
10118
10119 * src/scan-skel.l: Include "complain.h", for "fatal".
10120
10121 * src/relation.h (relation_print, relation_digraph):
10122 Relation sizes are of type relation_node, not size_t (this is
10123 merely a doc fix, since the two types are equivalent).
10124 (relation_transpose): Relation sizes are of type relation_node,
10125 not int.
10126 * src/relation.c: Likewise.
10127 (top, infinity): Now of type relation_node, not int.
10128 (traverse, relation_transpose): Use relation_node, not int.
10129
10130 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
10131 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
10132 (yyparse): Remove unused local introduced in 2004-10-25 patch.
10133
10134 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
10135 specifying whether the test should be skipped. Use it tp
10136 specify that the [%defines %skeleton "lalr1.cc"] tests currently
10137 fail on some hosts, and should be skipped.
10138
10139 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
10140
10141 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
10142 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
10143 unless otherwise specified below.
10144
10145 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
10146 to allocate kernel_base, kernel_items, kernel_size, since
10147 they needn't be initialized to 0.
10148 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
10149 * src/closure.c (new_closure): Likewise, for itemset.
10150 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
10151 * src/lalr.c (set_goto_map): Likewise, for temp_map.
10152 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
10153 (build_relations): Likewise for edge, states1, includes.
10154 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
10155 * src/reader.c (packgram): Likewise, for ritem, rules.
10156 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
10157 * src/relation.c (relation_digraph): Likewise for VERTICES.
10158 (relation_transpose): Likewise for new_R, end_R.
10159 * src/symtab.c (symbols_token_translations_init): Likewise for
10160 token_translations.
10161 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
10162 (token_actions): Likewise for yydefact, actrow, conflrow,
10163 conflict_list.
10164 (save_column): Likewise for froms[symno], tos[symno].
10165 (goto_actions): Likewise for state_count.
10166 (pack_table): Likewise for base, pos, check.
10167 (tables_generate): Likewise for width.
10168
10169 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
10170 for initial core. Just have a separate core, so we needn't worry
10171 about whether kernel_size and kernel_base are initialized.
10172
10173 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
10174 kernel_size, kernel_items): Remove unnecessary initialization.
10175 * src/conflicts.c (conflicts): Likewise.
10176 * src/derives.c (derives): Likewise.
10177 * src/muscle_tablc (muscle_insert): Likewise.
10178 * src/relation.c (relation_digraph): Likewise.
10179 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
10180 conflrow, conflict_table, conflict_list, table, check):
10181 Likewise.
10182
10183 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
10184 This is because all callers pass unsigned int.
10185 * src/closure.h (new_closure): Likewise.
10186
10187 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
10188 (build_relations): Initialize includes[i] in all cases.
10189 * src/reader.c (packgram): Always initialize rules[ruleno].prec
10190 and rules[ruleno].precsym. Initialize members in order.
10191 * src/relation.c (relation_transpose): Always initialize new_R[i]
10192 and end_R[i].
10193 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
10194
10195 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
10196 conflict_list[0] was always 0, but now it isn't initialized.
10197
10198 * src/table.c (table_grow): When conflict_table grew, the grown
10199 area wasn't cleared. Fix this.
10200
10201 * lib/.cvsignore: Add strdup.c, strdup.h.
10202 * m4/.cvsignore: Add strdup.m4.
10203
10204 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
10205
10206 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
10207 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
10208 GOTO_NUMBER_MAXIMUM, since we occasionally compute
10209 ngotos + 1 without checking for overflow.
10210 (build_relations): Use END_NODE, not -1, to denote end of edges.
10211 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
10212 build_relations): Use goto_number, not int, for goto numbers.
10213 * src/tables.c (save_column, default_goto): Likewise.
10214
10215 2004-11-23 Akim Demaille <akim@epita.fr>
10216
10217 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
10218 of #defining from yystype.
10219 Don't typedef yystype, C++ does not need it.
10220 This lets it possible to forward declare it as union.
10221
10222 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
10223
10224 * bootstrap (gnulib_modules): Add extensions.
10225 Problem reported by Jim Meyering.
10226
10227 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
10228
10229 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
10230 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
10231 src/system.h, src/tables.c: XFREE -> free, to accommodate
10232 recent change to gnulib xalloc.h.
10233 Problem reported by Jim Meyering.
10234
10235 2004-11-17 Akim Demaille <akim@epita.fr>
10236
10237 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
10238
10239 2004-11-17 Akim Demaille <akim@epita.fr>,
10240 Alexandre Duret-Lutz <adl@gnu.org>
10241
10242 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
10243 changes.
10244 (YYCDEBUG): Adjust.
10245 Use it instead of cdebug_.
10246 (Parser::debug_stream, Parser::set_debug_stream): New.
10247 (Parser::symprint_): Define cdebug_ for temporary backward
10248 compatibility.
10249 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
10250 debug_stream ().
10251
10252 2004-11-17 Akim Demaille <akim@epita.fr>
10253
10254 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
10255 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
10256 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
10257 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10258
10259 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
10260
10261 * data/glr.c (yyloc_default): Remove; not used.
10262 Problem reported by Frank Heckenbach.
10263
10264 2004-10-25 Akim Demaille <akim@epita.fr>
10265
10266 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
10267 Introduce another definition to address simple location arrays.
10268 (yyGLRStack): New member: yyerror_range.
10269 (yyrecoverSyntaxError, yyparse): Update it.
10270 (yyrecoverSyntaxError): Use it when shifting the error token to
10271 have an accurate range, equivalent to the one computed by both
10272 yacc.c and lalr1.cc.
10273 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
10274 that column numbers start at column 0, as per GNU Coding
10275 Standards, the others tests, and the doc.
10276 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
10277 Adjust to the above change (first column is 0).
10278 And adjust the location of the "<error>", now covering the whole
10279 line.
10280
10281 2004-10-22 Akim Demaille <akim@epita.fr>
10282 and Paul Eggert <eggert@cs.ucla.edu>
10283
10284 Remove some arbitrary limits on goto numbers and relations.
10285 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
10286 initial values, since they're never used.
10287 (set_goto_map): ngotos is now unsigned, so test for overflow
10288 by seeing whether it wraps around to zero.
10289 * src/lalr.h (goto_number): Now size_t, not short int.
10290 (GOTO_NUMBER_MAXIMUM): Remove.
10291 * src/relation.c (relation_print, traverse, relation_transpose):
10292 Check for END_NODE rather than looking at sign.
10293 * src/relation.h (END_NODE): New macro.
10294 (relation_node): Now size_t, not short int.
10295
10296 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
10297
10298 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
10299 keyword, not an identifier. Problem reported by Baron Schwartz in
10300 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
10301
10302 2004-10-11 Akim Demaille <akim@epita.fr>
10303
10304 * src/symtab.c (symbol_check_alias_consistency): Also check
10305 type names, destructors, and printers.
10306 Reported by Alexandre Duret-Lutz.
10307 Recode the handling of associativity and precedence in terms
10308 of symbol_precedence_set.
10309 Accept no redeclaration at all, not even equal to the previous
10310 value.
10311 (redeclaration): New.
10312 Use it to factor redeclaration complaints.
10313 (symbol_make_alias): Don't set the type of the alias, let
10314 symbol_check_alias_consistency do it as for other features.
10315 * src/symtab.h (symbol): Add new member prec_location, and
10316 type_location.
10317 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
10318 * tests/input.at (Incompatible Aliases): New.
10319
10320 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
10321
10322 .cvsignore fixes to accommodate gnulib changes,
10323 and the practice of naming build directories "_build".
10324 * .cvsignore: Add "_*". Sort.
10325 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
10326 * m4/.cvsignore: Add "*_gl.m4".
10327
10328 2004-10-06 Akim Demaille <akim@epita.fr>
10329
10330 * src/parse-gram.y (add_param): Fix the truncation of trailing
10331 spaces.
10332
10333 2004-10-05 Akim Demaille <akim@epita.fr>
10334
10335 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
10336 whether the reducion was empty or not. This leaves room to
10337 improve the use of YYLLOC_DEFAULT in such a case.
10338 lalr1.cc is still experimental, so changing this is acceptable.
10339 And finally, there are probably not many users who changed the
10340 handling of locations in GLR, so changing is admissible too.
10341
10342 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
10343 empty reduction, set @$ to an empty location ending the previously
10344 stacked symbol.
10345 Adjust uses to make sure the code is triggered on empty
10346 reductions.
10347 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
10348 expected output: empty reductions have empty locations.
10349
10350 2004-09-29 Akim Demaille <akim@epita.fr>
10351
10352 * data/lalr1.cc: Move towards a more standard C++ coding style
10353 for templates: Class < T > -> Class<T>.
10354
10355 2004-09-29 Akim Demaille <akim@epita.fr>
10356
10357 * data/lalr1.cc: Reinstall the former ctor, for sake of
10358 compatibility, but warn it will be removed.
10359 Move towards a more standard C++ coding style (i.e., type *var ->
10360 type* var).
10361
10362 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
10363
10364 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
10365 since it's less likely to work if NULs are involved in the future.
10366
10367 2004-09-27 Akim Demaille <akim@epita.fr>
10368
10369 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
10370
10371 2004-09-27 Akim Demaille <akim@epita.fr>
10372
10373 * data/lalr1.cc (b4_parse_param_decl_1): New.
10374 (b4_parse_param_decl): Use it to have different names between attribute
10375 and argument names.
10376 (b4_cc_constructor_call): Likewise.
10377
10378 2004-09-24 Akim Demaille <akim@epita.fr>
10379
10380 * src/parse-gram.y (add_param): Strip the leading and trailing
10381 blanks from a formal argument declaration.
10382 (YY_LOCATION_PRINT): New.
10383
10384 2004-09-24 Akim Demaille <akim@epita.fr>
10385
10386 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
10387 after the location.
10388
10389 2004-09-24 Akim Demaille <akim@epita.fr>
10390
10391 * doc/bison.texinfo (Table of Symbols): Sort.
10392
10393 2004-09-21 Akim Demaille <akim@epita.fr>
10394
10395 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
10396 the useless parentheses.
10397 Suggested by Paul Eggert.
10398
10399 2004-09-20 Akim Demaille <akim@epita.fr>
10400
10401 Let the initial-action act on the look-ahead, and use it for the
10402 "initial push" (corresponding to an hypothetical beginning-of-file).
10403 And let lalr1.cc honor %initial-action.
10404
10405 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
10406 example.
10407 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
10408 (Parser::Parser): Remove the ctor that used to initialize it.
10409 (Parser::parse): Like in the other skeletons, issue the "starting
10410 parse" message before any action.
10411 Honor %initial-action.
10412 Initialize the stacks with the lookahead.
10413 * data/yacc.c: Let $$ and @$ in %initial-action designate the
10414 look-ahead.
10415 Push them in the stacks.
10416 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
10417
10418 2004-09-20 Akim Demaille <akim@epita.fr>
10419
10420 * doc/bison.texinfo (Initial Action Decl): New.
10421
10422 2004-09-20 Akim Demaille <akim@epita.fr>
10423
10424 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
10425 clearer criterion to define it.
10426 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
10427 When reducing on an empty RHS, use the latest stacked location as
10428 location.
10429 yylloc is not always available.
10430 * data/glr.c: Likewise.
10431 Also, honor initial-actions.
10432
10433 2004-09-20 Akim Demaille <akim@epita.fr>
10434
10435 * data/yacc.c (YY_LOCATION_PRINT): New.
10436 Define when we know YYLTYPE's structure, i.e., when the default
10437 YYLLOC_DEFAULT is used.
10438 * data/c.m4 (b4_yysymprint_generate): Use it.
10439 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
10440 value of the result.
10441 (error_start_): Replace with...
10442 (error_range_): this location array.
10443 This allows to replace code relying on the implementation of
10444 locations by portable code.
10445 * data/yacc.c (yylerrsp): Replace with...
10446 (yyerror_range): this.
10447 Every time a token is popped, update yyerror_range[0], to have an
10448 accurate location for the error token.
10449 * data/glr.c (YY_LOCATION_PRINT): New.
10450 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
10451 deference a pointer.
10452 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
10453 report the location in %printers.
10454
10455 * src/scan-skel.l: Instead of abort, report error messages to ease
10456 understanding skeleton scanning failures.
10457
10458 2004-09-16 Akim Demaille <akim@epita.fr>
10459
10460 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
10461 (iterator, const_iterator): these, to be more in the C++ spirit.
10462 Also, return reverse iterators so that when displaying the stack
10463 we display its bottom first.
10464 (Parser::stack_print_, Parser::reduce_print_): Match the messages
10465 from yacc.c.
10466 We should probably use vector here though.
10467
10468 2004-09-16 Akim Demaille <akim@epita.fr>
10469
10470 Have more complete shift traces.
10471
10472 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
10473 to report Shifts instead of ad hoc YYDPRINTF invocations,
10474 including for the error token.
10475 * data/lalr1.cc (symprint_): Output the location.
10476 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
10477 output the location within the %printer.
10478 Activate GLR tests, at least to make sure they compile properly.
10479 They still don't pass though.
10480 * tests/calc.at: Adjust expect verbose output, since now "Entering
10481 state..." is on a different line than the "Shifting" message.
10482
10483 2004-09-08 Akim Demaille <akim@epita.fr>
10484
10485 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
10486 Bison directive from the Bison file to the invocation of this
10487 macro, so that these directives are passed to
10488 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
10489 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
10490 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
10491 the extra Bison directives instead of the whole series.
10492 Change the grammar so that there are recoverable errors, and
10493 unrecoverable errors. Now we can have the parser give up before
10494 consuming the whole input. As a result we now can observe that
10495 the lookahead is freed when needed.
10496 Change the parser source to parse argv[1] instead of a hard coded
10497 string.
10498 Simplify yylex, and give a value and location to EOF.
10499 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
10500 passed directives already coded in the file.
10501 Add some tests to check the location of "error".
10502 For some tests, the C++ parser is correct, and not yacc.c.
10503 For other tests, they provide different, but unsatisfying, values,
10504 so keep the C++ value so that at least one parser is "correct"
10505 according to the test suite.
10506 (Actions after errors): Remove, this is subsumed by the
10507 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
10508
10509 2004-09-06 Akim Demaille <akim@epita.fr>
10510
10511 * data/lalr1.cc: Adjust the indentation of the labels.
10512 (Parser::pop): New.
10513 Use it.
10514
10515 2004-09-06 Akim Demaille <akim@epita.fr>
10516
10517 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
10518 argument, an informative message.
10519 Call YY_SYMBOL_PRINT.
10520 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
10521 * data/lalr1.cc (destruct_): Likewise.
10522 In addition, no longer depend on b4_yysymprint_generate and
10523 b4_yydestruct_generate to generate these functions, do it "by
10524 hand".
10525
10526 2004-09-03 Akim Demaille <akim@epita.fr>
10527
10528 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
10529 invoked, yydestruct the lookahead.
10530 * tests/calc.at (Calculator $1): Update the expected lengths of
10531 traces: there is an added line for the discarded lookahead.
10532 * doc/bison.texinfo (Destructor Decl): Some rewording.
10533 Define "discarded" symbols.
10534
10535 2004-09-02 Akim Demaille <akim@epita.fr>
10536
10537 * data/lalr1.cc (translate_, destruct_): No reason to be static.
10538
10539 2004-09-02 Akim Demaille <akim@epita.fr>
10540
10541 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
10542 (YYDSYMPRINTF): Rename as...
10543 (YY_SYMBOL_PRINT): this.
10544 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
10545 two.
10546 Use it instead of direct symprint_ calls.
10547 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
10548 one.
10549
10550 2004-09-02 Akim Demaille <akim@epita.fr>
10551
10552 * data/lalr1.cc (b4_yysymprint_generate): New.
10553 (symprint_): New member function, defined when YYDEBUG.
10554 Use it consistently instead of token/nterm debugging output by
10555 hand.
10556 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
10557 %printer calls to use cdebug_ when using lalr1.cc.
10558
10559 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
10560
10561 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
10562 with #ifdef YYDEBUG.
10563
10564 2004-08-26 Akim Demaille <akim@epita.fr>
10565
10566 * doc/bison.texinfo (Implementing Loops): Rename as...
10567 (Implementing Gotos/Loops): this.
10568
10569 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
10570
10571 Adjust to latest gnulib.
10572 * bootstrap (gnulib_modules): Add xalloc-die.
10573 Set LC_ALL=C so that file names sort consistently.
10574 Prefer the gnulib copies of gettext.m4, glibc21.m4,
10575 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
10576 uintmax_t.m4, ulonglong.m4.
10577 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
10578 po.m4 since we are now using _gl.m4 instead.
10579
10580 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
10581
10582 * src/scan-action.l: Remove. Scanning of semantic actions is
10583 handled in scan-gram.l.
10584
10585 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
10586
10587 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
10588
10589 * src/location.h (struct): The file member is a uniqstr.
10590 (equal_boundaries): Use UNIQSTR_EQ for comparison.
10591
10592 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
10593
10594 Fix bug with non-%union parsers that have printers or destructors,
10595 which led to a Bison core dump. Reported by Peter Fales in
10596 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
10597
10598 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
10599 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
10600 not to our own type.
10601 * src/output.c (symbol_destructors_output, symbol_printers_output):
10602 Don't assume %union.
10603 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
10604 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
10605 UNION-FLAG. All callers changed.
10606 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
10607 Use type char, not unsigned int, when declaring an array of char;
10608 this lets us remove a cast.
10609 (Printers and Destructors): Add non-%union test cases.
10610
10611 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10612
10613 * doc/bison.texinfo: Minor editorial changes, mostly to the new
10614 GLR writeups. E.g., avoid frenchspacing and the future tense,
10615 change "lookahead" to "look-ahead", and change "wrt" to "with
10616 respect to".
10617
10618 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10619
10620 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
10621 New sections, split off from the GLR Parsers section. Put the new
10622 Simple GLR Parser near the start of the GLR section, for clarity.
10623 Rewrite connective text.
10624
10625 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
10626
10627 * doc/bison.texinfo (Simple GLR Parsers): New section.
10628
10629 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10630
10631 * NEWS, TODO, doc/bison.texinfo:
10632 Use "look-ahead" instead of "lookahead", to be consistent.
10633 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
10634 while we're fixing "look-ahead".
10635 * src/conflicts.c (shift_set): Renamed from shiftset.
10636 (look_ahead_set): Renamed from lookaheadset.
10637 * src/print.c: Likewise.
10638 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
10639 name for "lookahead".
10640 (report_types, usage): Likewise.
10641 * src/getargs.h (report_look_ahead_tokens): Renamed from
10642 report_lookaheads.
10643 * src/lalr.c (compute_look_ahead_tokens): Renamed from
10644 compute_lookaheads.
10645 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
10646 (look_ahead_tokens_print): Renamed from lookaheads_print.
10647 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
10648 state_rule_lookaheads_print.
10649 * src/state.h: Likewise.
10650 (reductions.look_ahead_tokens): Renamed from lookaheads.
10651 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
10652 AT_DATA_LOOKAHEADS_GRAMMAR.
10653
10654 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
10655
10656 * README: Update location of patched M4 distribution.
10657
10658 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
10659
10660 Don't assume the C++ compiler takes the same arguments as the C compiler
10661 (trivial change).
10662 * configure.ac (O0CXXFLAGS): New var.
10663 * tests/atlocal.in (CXXFLAGS): Use it.
10664
10665 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
10666
10667 Fix some "make check" problems with C++ reported by
10668 Albert Chin-A-Young for Tru64 C++ in this thread:
10669 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
10670
10671 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
10672 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10673 Output to a .cc file for C++, not to a .c file.
10674 * tests/calc.at (AT_CHECK_CALC): Likewise.
10675 * tests/regression.at (AT_CHECK_DANCER): Likewise.
10676 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
10677
10678 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
10679
10680 * tests/calc.at, tests/actions.at: Workaround for SGI
10681 C++ compiler. (trivial change)
10682
10683 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
10684
10685 Spent a few hours checking out which prerequisite versions the
10686 current sources actually require. I went all the way back to
10687 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
10688 a seemingly endless set of combinations of versions more recent
10689 than that. The bottom line is that the current sources require
10690 fairly recent versions of the build tools, and it'll be some work
10691 to change this.
10692 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
10693 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
10694 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
10695 Add comments explaining why those particular versions are
10696 currently needed.
10697
10698 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
10699 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
10700 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
10701
10702 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
10703 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
10704
10705 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
10706
10707 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
10708 0.11.5. Suggested by Bruno Haible.
10709 * bootstrap: Remove gettext version checking.
10710
10711 * doc/bison.texinfo (Decl Summary): Also mention that %union
10712 can depend on prerequisite types. Problem reported by Tim
10713 Van Holder.
10714
10715 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
10716
10717 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
10718 * README-alpha: Don't tell people not to package this.
10719
10720 * bootstrap: Don't assume $(...) works; use `...` instead.
10721 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
10722 gettext better.
10723
10724 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
10725 put into the -d output file, and mention what to do if YYSTYPE is
10726 defined as a macro.
10727
10728 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
10729
10730 Undo change made earlier today: it caused autopoint to not bring
10731 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
10732 autopoint's.
10733
10734 * bootstrap: Check that gettext version matches what's in
10735 configure.ac. Warn users to ignore robots.txt ERROR 404.
10736 * bootstrap: Undo today's earlier change (logged below).
10737 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
10738
10739 The gettext version checking is causing more trouble than it's
10740 curing; remove it. Problem reported by Paul Hilfinger.
10741
10742 * bootstrap: Issue a warning that one can expect a message
10743 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
10744 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
10745
10746 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
10747
10748 Ensure that the C++ compiler used for testing actually works on a
10749 simple test program; if not, skip the C++-related tests. Problem
10750 reported by Vin Shelton in:
10751 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
10752
10753 * m4/cxx.m4: New file.
10754 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
10755 * tests/atlocal.in (BISON_CXX_WORKS): Add.
10756 * tests/local.at (AT_COMPILE_CXX): Use it.
10757
10758 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10759
10760 * data/glr.c (yylloc): Output this macro even if locations are not
10761 being generated, as the GLR parser needs it even in that case.
10762 Problem reported by Troy A. Johnson
10763 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
10764
10765 * configure.ac (AC_INIT): Update to 1.875e.
10766
10767 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10768
10769 * NEWS: Version 1.875d.
10770 * configure.ac (AC_INIT): Likewise.
10771 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
10772
10773 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
10774 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
10775 lalr1.cc runs afoul of the first, and the last two are no longer
10776 supported by GCC 3.4.0.
10777 * README: Mention GNU m4 1.4 or later; mention m4 patches.
10778 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
10779
10780 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
10781
10782 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
10783 unsigned int, for compatibility with latest gnulib hash module.
10784 * src/state.c (state_hash, state_hasher): Likewise.
10785 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
10786 * src/uniqstr.c (hash_uniqstr): Likewise.
10787
10788 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
10789
10790 * NEWS: Unescaped newlines are no longer allowed in char & strings.
10791
10792 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
10793 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
10794 character and string literals.
10795 (unexpected_end): New function.
10796 (unexpected_eof): Use it.
10797 (unexpected_newline): New function.
10798 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
10799 actions.
10800
10801 * NEWS: Document %expect-rr.
10802
10803 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
10804 Fix typo by replacing $1 with $option.
10805 Remove more 'intl'-related files.
10806 Don't DEFUN AM_INTL_SUBDIR twice.
10807
10808 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
10809 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
10810 strtoul.c.
10811 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
10812 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
10813 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
10814 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
10815 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
10816 * src/.cvsignore: Add *.output.
10817
10818 * src/parse-gram.y: Put copyright notice inside %{ %} so it
10819 gets copied to the output file.
10820
10821 2004-04-28 Paul Eggert <eggert@twinsun.com>
10822
10823 Get files from the gnulib and po repositories, instead of relying
10824 on them being in our CVS. Upgrade to latest versions of gnulib
10825 and Automake.
10826
10827 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
10828 * bootstrap: Bootstrap from gnulib and po repositories.
10829 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
10830 * README-cvs: Document these changes. Remove version numbers from
10831 mentions of build tools, since they change so often. Mention Flex.
10832
10833 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
10834 (gl_USE_SYSTEM_EXTENSIONS): Add.
10835 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
10836 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
10837 does this for us.
10838 (AC_ISC_POSIX): Remove; we no longer support this
10839 ancient OS, as it gets in the way of latest Autoconf & gnulib.
10840 (AC_HEADER_STDC): Remove: we now assume C89 or better.
10841 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
10842 Do not check for C89 headers, except for locale.h which is used
10843 by the Yacc library and must port to K&R hosts.
10844 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
10845 Do not check for C89 functions, except for setlocale which is
10846 used by the Yacc library.
10847 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
10848 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
10849 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
10850 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
10851 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
10852 AM_GNU_GETTEXT): Remove; now done by:
10853 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
10854 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
10855 for us.
10856
10857 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
10858 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
10859 Define to empty, as gnulib.mk will do the rest for us.
10860 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
10861 for us.
10862 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
10863 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
10864
10865 * src/files.c: Include gnulib's xstrndup.h.
10866
10867 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
10868 (REALLOC): Use xnrealloc, for likewise.
10869 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
10870 (strnlen, memrchr): Remove decls; functions no longer used.
10871 Include <stpcpy.h>.
10872
10873 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
10874 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
10875 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
10876 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
10877 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
10878 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
10879 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
10880 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
10881 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
10882 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
10883 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
10884 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
10885 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
10886 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
10887 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
10888 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
10889 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
10890 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
10891 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
10892 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
10893 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
10894 Remove, as these files are now generated automatically
10895 by bootstrap or automake.
10896
10897 * po/ChangeLog: Remove: all but one entry was a duplicate
10898 of this file, and I moved that 2000-11-02 entry here.
10899
10900 * config/.cvsignore: Add Makefile, depcomp, install-sh.
10901 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
10902 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
10903 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
10904 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
10905 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
10906 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
10907 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
10908 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
10909 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
10910 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
10911 xstrndup.h.
10912 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
10913 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
10914 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
10915 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
10916 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
10917 * src/.cvsignore: Remove *_.c.
10918
10919
10920 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
10921 support it. (The latest stable gzip doesn't.)
10922
10923 2004-04-27 Paul Eggert <eggert@twinsun.com>
10924
10925 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
10926 case, as stos_ is now used by destructors due to the 2004-02-09
10927 change.
10928
10929 Remove more K&R C support.
10930 * lib/libiberty.y (PARAMS): Remove. All uses removed.
10931 * lib/subpipe.c (errno): Remove decl.
10932 Include <stdlib.h> unconditionally.
10933 (EXIT_FAILURE): Remove macro.
10934 * src/complain.c (vfprintf, strerror): Remove.
10935 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
10936 unconditionally.
10937 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
10938 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
10939 (strchr, strspn, memchr): Remove decls.
10940 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
10941 unconditionally. Do not declare perror.
10942 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
10943 unconditionally.
10944
10945 * src/complain.c (_): Remove useless defn, as system.h defines this.
10946
10947 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
10948 with latest obstack.h.
10949 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
10950 to procedure types, as obstack.h now does that for us.
10951 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
10952
10953 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
10954 so that this include file can stand alone.
10955 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
10956 does this now. Include subpipe.h first after config.h, to
10957 test whether it can stand alone.
10958
10959 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
10960 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
10961 unused declaration.
10962
10963 * tests/synclines.at (%union synch line): Put a dummy member in
10964 the union, because empty unions aren't allowed in C. Caught
10965 by GCC 3.4.0.
10966
10967 2004-04-13 Jim Meyering <jim@meyering.net>
10968
10969 * src/conflicts.c (conflicts_print): Correct format string typo:
10970 use `%%' to produce literal `%'. (trivial change)
10971
10972 2004-03-30 Paul Eggert <eggert@twinsun.com>
10973
10974 * src/getargs.c (version): Update copyright year to 2004.
10975
10976 * data/c.m4 (b4_int_type): Use 'short int' rather than
10977 'short', and similarly for 'long', 'unsigned', etc.
10978 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
10979 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
10980 yy_yypstack, yydumpstack): Likewise.
10981 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
10982 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
10983 Likewise.
10984 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
10985 yy_stack_print, yyparse): Likewise.
10986 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
10987 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
10988 * lib/bitset.c (bitset_print): Likewise.
10989 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
10990 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
10991 * lib/bitsetv.c (bitsetv_dump): Likewise.
10992 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
10993 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
10994 Likewise.
10995 * src/LR0.c (allocate_itemsets): Likewise.
10996 * src/gram.h (rule_number, rule): Likewise.
10997 * src/lalr.h (goto_number): Likewise.
10998 * src/nullable.c (nullable_compute): Likewise.
10999 * src/output.c (prepare_rules): Likewise.
11000 * src/relation.c (relation_print, relation_digraph): Likewise.
11001 * src/relation.h (relation_node): Likewise.
11002 * src/state.h (state_number, transitions, errs, reductions,
11003 struct state): Likewise.
11004 * src/symtab.h (symbol_number, struct symbol): Likewise.
11005 * src/tables.c (vector_number, tally, action_number,
11006 default_goto, goto_actions): Likewise.
11007 * tests/existing.at (GNU Cim Grammar): Likewise.
11008 * tests/regression.at (Web2c Actions): Likewise.
11009
11010 * src/output.c (muscle_insert_short_int_table): Renamed from
11011 muscle_insert_short_table. All uses changed.
11012
11013 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11014
11015 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
11016 (declaration): Replace expected_conflicts with expected_sr_conflicts.
11017 Add %expect-rr rule.
11018
11019 * src/scan-gram.l: Recognize %expect-rr.
11020
11021 * src/conflicts.h (expected_sr_conflicts): Rename from
11022 expected_conflicts.
11023 (expected_rr_conflicts): Declare.
11024
11025 * src/conflicts.c (expected_sr_conflicts): Rename from
11026 expected_conflicts.
11027 (expected_rr_conflicts): Define.
11028 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
11029 for GLR parsers.
11030 Use expected_sr_conflicts in place of expected_conflicts.
11031 Warn if expected_rr_conflicts used in non-GLR parser.
11032
11033 * doc/bison.texinfo: Add documentation for %expect-rr.
11034
11035 2004-03-08 Paul Eggert <eggert@gnu.org>
11036
11037 Add support for hex token numbers. Suggested by Odd Arild Olsen in
11038 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
11039
11040 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
11041 in lalr1.cc.
11042 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
11043 * src/scan-gram.l (scan_integer): New function.
11044 ({int}): Use it.
11045 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
11046 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
11047 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
11048 Say "long int", not "long", for uniformity with GNU style.
11049
11050 2004-02-25 Paul Eggert <eggert@twinsun.com>
11051
11052 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
11053 compilers. This fixes a problem with Intel's C++ compiler being
11054 chatty, reported by Guido Trentalancia in
11055 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
11056
11057 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
11058
11059 Support %destructor and merge error locations in lalr1.cc.
11060
11061 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
11062 (Parser::stos_): Define unconditionally.
11063 (Parser::destruct_): New method. Generate its body with
11064 b4_yydestruct_generate.
11065 (Parser::error_start_): New attribute.
11066 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
11067 token which are discarded.
11068 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
11069 error_start_ when erroneous token are discarded.
11070 (Parser::parse) <yyerrlab1>: Compute the location of the error
11071 token so that it covers all the discarded tokens.
11072 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
11073 it can be called with `%skeleton "lalr1.cc"', and do that.
11074
11075 2004-02-02 Paul Eggert <eggert@twinsun.com>
11076
11077 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
11078 $(top_srcdir)/lib and ../lib. This fixes a bug reported
11079 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
11080 There's no need to mention top_builddir since Automake does that
11081 for us.
11082 (INCLUDES): Remove, as Automake says it's obsolescent.
11083 Contents migrated into AM_CPPFLAGS as described above.
11084 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
11085
11086 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11087
11088 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
11089 (yyreportSyntaxError): Handle case where lookahead token is
11090 YYEMPTY.
11091
11092 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11093
11094 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
11095 resulting parsers are compilable with C++.
11096
11097 2003-12-23 Paul Eggert <eggert@twinsun.com>
11098
11099 * config/depcomp, config/install-sh: Sync with Automake 1.8.
11100 * src/output.c (output_skeleton): Rename local var.
11101 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
11102 Bison tokens, as this runs afoul of the 2003-10-07 change that
11103 disallowed NUL bytes in character constants or string literals.
11104
11105 * tests/local.at: Require Autoconf 2.59's Autotest.
11106 * tests/testsuite.at: Don't include local.at, since we now assume
11107 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
11108 including it.
11109 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
11110 multiple inclusion warnings.
11111
11112 2003-12-02 Akim Demaille <akim@epita.fr>
11113
11114 * doc/bison.texinfo (How Can I Reset the Parser): More about start
11115 conditions.
11116 From Bruno Haible.
11117
11118 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
11119
11120 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
11121
11122 2003-10-07 Paul Eggert <eggert@twinsun.com>
11123
11124 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
11125 if testsuite doesn't exist.
11126
11127 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
11128 literals, unfortunately.
11129 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
11130 Complain about NUL bytes in character constants or string literals.
11131
11132 2003-10-05 Paul Eggert <eggert@twinsun.com>
11133
11134 * NEWS: Don't document %no-default-prec, as it's still
11135 too experimental.
11136 * doc/bison.texinfo: Document %no-default-prec only if
11137 the defaultprec flag is set. Normally it's not.
11138
11139 2003-10-04 Paul Eggert <eggert@twinsun.com>
11140
11141 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
11142 non-modifiable lvalue, instead of a modifiable one.
11143 * doc/bison.texinfo (Actions): Document that $$ can
11144 be assigned to. Do not claim that $$ and $N are
11145 array element references: user code should not rely on this.
11146
11147 2003-10-01 Paul Eggert <eggert@twinsun.com>
11148
11149 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
11150 (grammar_declaration): Use it.
11151 * src/scan-gram.l: New token %no-default-prec.
11152 * tests/conflicts.at: Revamp tests to use %no-default-prec.
11153 * NEWS, doc/bison.texinfo: Document the above.
11154
11155 2003-10-01 Akim Demaille <akim@epita.fr>
11156
11157 VCG no longer supports long_straight_phase.
11158
11159 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
11160 * src/print_graph.c (print_graph): Adjust.
11161
11162 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
11163 and Paul Eggert <eggert@twinsun.com>
11164
11165 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
11166 Table of Symbols): Document %default-prec.
11167 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
11168 (grammar_declaration): Set default_prec on %default-prec.
11169 * src/scan-gram.l (%default-prec): New token.
11170 * src/reader.h (default_prec): New flag.
11171 * src/reader.c: Likewise.
11172 (packgram): Handle it.
11173 * tests/conflicts.at (%default-prec without %prec,
11174 %default-prec with %prec, %default-prec 1): New tests.
11175
11176 2003-09-30 Paul Eggert <eggert@twinsun.com>
11177
11178 * tests/testsuite.at: Include local.at, not input.at, fixing
11179 a typo in the 2003-08-25 patch.
11180
11181 2003-08-27 Akim Demaille <akim@epita.fr>
11182
11183 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
11184 GCC warnings.
11185
11186 2003-08-26 Akim Demaille <akim@epita.fr>
11187
11188 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
11189 "<\#" to avoid magic from Gnus when posting parts of this script.
11190
11191 2003-08-26 Akim Demaille <akim@epita.fr>
11192
11193 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
11194 (Parser::parse): here.
11195 Adjust: nerrs and errstatus is now replaced by...
11196 (Parser::nerrs_, Parser::errstatus_): New.
11197
11198 2003-08-25 Akim Demaille <akim@epita.fr>
11199
11200 * config/announce-gen, Makefile.cfg: New.
11201 * Makefile.am: Adjust.
11202 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
11203 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
11204
11205 2003-08-25 Akim Demaille <akim@epita.fr>
11206
11207 When reducing initial empty rules, Bison parser read an initial
11208 location that is not defined. This results in garbage, and that
11209 affects Bison's own parser. Therefore we need (i) to extend Bison
11210 to support a means to initialize this location, and (ii) to use
11211 this CVS Bison to fix CVS Bison's parser.
11212
11213 * src/reader.h, reader.c (epilogue_augment): Remove, replace
11214 with...
11215 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
11216 * src/parse-gram.y: Adjust.
11217 (%initial-action): New.
11218 (%error-verbose): Since we require CVS Bison, there is no reason
11219 not to use it.
11220 * src/scan-gram.l: Adjust.
11221 * src/Makefile.am (YACC): New, to make sure we use our own parser.
11222 * data/yacc.c (yyparse): Use b4_initial_action.
11223
11224 2003-08-25 Akim Demaille <akim@epita.fr>
11225
11226 * doc/bison.texinfo: Don't promote stdout for error messages.
11227
11228 2003-08-25 Akim Demaille <akim@epita.fr>
11229
11230 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
11231 From Alexandre Duret-Lutz.
11232
11233 2003-08-25 Akim Demaille <akim@epita.fr>
11234
11235 Version 1.875c.
11236
11237 2003-08-25 Akim Demaille <akim@epita.fr>
11238
11239 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
11240 Use them.
11241
11242 2003-08-25 Akim Demaille <akim@epita.fr>
11243
11244 * data/lalr1.cc (Parser::reduce_print_): New.
11245 Use it.
11246
11247 2003-08-25 Akim Demaille <akim@epita.fr>
11248
11249 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
11250 error recovery loops. This patch is based on
11251 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
11252 Also, augment the similarity between lalr1.cc and yacc.c.
11253 Note: the locations of error recovery rules are not correct yet.
11254
11255 * data/lalr1.cc: Comment changes to augment the similarity between
11256 lalr1.cc and yacc.c.
11257 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
11258 (yyerrlab1): Remove, but where it used to be (now the bottom part of
11259 yyerrlab), when hitting EOF, pop the whole stack here instead of
11260 merely falling thru the default error handling mechanism.
11261 (yyerrorlab): New label, with the old contents of YYERROR,
11262 plus the following change: pop the stack of rhs corresponding
11263 to the production that invoked YYERROR. That is how Yacc
11264 behaves (required by POSIX).
11265 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
11266 fail.
11267
11268 2003-08-25 Akim Demaille <akim@epita.fr>
11269
11270 Tune local.at so that people can "autom4te -l autotest calc.at -o
11271 calc" for instance, to extract a sub test suite.
11272
11273 * tests/testsuite.at: Move the initialization, Autotest version
11274 requirement, and AT_TESTED invocation into...
11275 * tests/local.at: here.
11276 * tests/testsuite.at: Include it for compatibility with Autoconf
11277 2.57.
11278 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
11279 be ignore.
11280
11281 2003-08-04 Paul Eggert <eggert@twinsun.com>
11282
11283 Rework code slightly to avoid gcc -Wtraditional warnings.
11284 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
11285 The returned value is now stored in *YY0. All callers changed.
11286 * src/output.c (merge_output): Adjust to the above change.
11287
11288 2003-07-26 Paul Eggert <eggert@twinsun.com>
11289
11290 * data/glr.c (YYASSERT): New macro.
11291 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
11292 yyresolveStates, yyprocessOneStack):
11293 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
11294 Derived from a suggestion by Frank Heckenbach.
11295
11296 2003-07-25 Paul Eggert <eggert@twinsun.com>
11297
11298 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
11299 for portability to K&R C (after ansi2knr, presumably). See
11300 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
11301 by Frank Heckenbach, though I have omitted the structure-initialization
11302 part of his glr-knr.diff patch since I recall that the Portable
11303 C Compiler didn't require that change.
11304
11305 Let the user specify how to allocate and free memory.
11306 Derived from a suggestion by Frank Heckenbach in
11307 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
11308 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
11309 All uses of free, malloc, realloc changed to use these macros,
11310 and unnecessary casts removed.
11311 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
11312
11313 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
11314
11315 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
11316 use s.empty() rather than s == "" to test for empty string; see
11317 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
11318 (trivial change)
11319
11320 2003-06-25 Akim Demaille <akim@epita.fr>
11321
11322 * config/depcomp, config/install-sh: Update from masters.
11323
11324 2003-06-20 Paul Eggert <eggert@twinsun.com>
11325
11326 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
11327 and return properly parenthesized result.
11328 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
11329 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11330 Remove unnecessary parentheses from uses.
11331 * doc/bison.texinfo (Location Default Action): Describe the
11332 conventions for parentheses.
11333
11334 2003-06-19 Paul Eggert <eggert@twinsun.com>
11335
11336 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
11337 yyreportTree): Do not assume that size_t is the same width as int,
11338 when printing sizes. Print sizes using an unsigned format.
11339 Problem reported by Frank Heckenbach in
11340 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
11341
11342 Port to Forte Developer 7 C compiler.
11343 * data/glr.c (struct YYLTYPE): If locations are not being used,
11344 declare a single dummy member, as empty structs do not conform
11345 to the C standard.
11346 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
11347 the Forte Developer 7 C compiler complains that end-of-loop
11348 code is not reached.
11349
11350 2003-06-17 Paul Eggert <eggert@twinsun.com>
11351
11352 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
11353 avoid warnings from picky compilers about redefinition of PARAMS.
11354
11355 2003-06-17 Paul Eggert <eggert@twinsun.com>
11356
11357 Version 1.875b.
11358
11359 * NEWS: Document 1.875b.
11360
11361 * lib/bbitset.h: Do not include config.h; that's the includer's job.
11362 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
11363 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
11364 Don't use 'index' in comments, as it's a builtin fn on some hosts.
11365 * lib/bitset_stats.c: Include gettext.h unconditionally, as
11366 per recent gettext manual's suggestion.
11367 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
11368 Use prototypes, not old-style definitions.
11369 * lib/lbitset.c (lbitset_unused_clear): Likewise.
11370 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
11371 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
11372 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
11373 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
11374 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
11375 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
11376 vbitset_or_and_cmp, vbitset_copy): Likewise.
11377
11378 * lib/libiberty.h: Do not include config.h; that's the includer's job.
11379 Do not include <stdlib.h>.
11380 (PARAMS): Define unconditionally for C89.
11381 (ATTRIBUTE_NORETURN): Remove.
11382 (ATTRIBUTE_UNUSED): Define unconditionally.
11383
11384 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
11385 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
11386 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
11387 * lib/vbitset.c, lib/vbitset.h: New files.
11388 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11389 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
11390 from libbitset.
11391
11392 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
11393 `How Can I Reset @code{yyparse}', since texinfo does not allow
11394 arbitrary @ in node names.
11395
11396 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
11397 shouldn't be needed according to the gettext 0.12.1 documentation
11398 but which seem to be needed anyway: codeset.m4 glibc21.m4
11399 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
11400 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
11401 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
11402
11403 * lib/.cvsignore: Add stdbool.h.
11404 * m4/.cvsignore: Add nls.m4, po.m4.
11405
11406 Upgrade to CVS gnulib.
11407 * stdbool_.h: File renamed from stdbool.h.in.
11408 * configure.ac (AM_STDBOOL_H): Invoke this instead of
11409 AC_HEADER_STDBOOL.
11410 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
11411 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
11412 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
11413 (MOSTLYCLEANFILES): New var.
11414 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
11415 (stdbool.h): New rule.
11416 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
11417 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
11418 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
11419 m4/quote.m4: Upgrade to today's gnulib.
11420
11421 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
11422 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
11423 the tests right now.
11424 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
11425 yyerror are declared before use; C99 requires this.
11426
11427 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11428
11429 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
11430 first.
11431 (yyrecoverSyntaxError): Correct the logic for setting and testing
11432 yyerrState.
11433 Correct comment on handling EOF.
11434 Allow states with only a default reduction, rather than failing
11435 (I can't quite reconstruct why these were not allowed before).
11436
11437 Fixes to avoid problem that $-N rules in GLR parsers can cause
11438 buffer overruns, corrupting state.
11439
11440 * src/output.c (prepare_rules): Output max_left_semantic_context
11441 definition.
11442 * src/reader.h (max_left_semantic_context): New variable declaration.
11443 * src/scan-gram.l (max_left_semantic_context): Define.
11444 (handle_action_dollar): Update max_left_semantic_context.
11445 * data/glr.c (YYMAXLEFT): New definition.
11446 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
11447 (yyresolveAction): Ditto.
11448
11449 Fixes to problems with location handling in GLR parsers reported by
11450 Frank Heckenbach (2003/06/05).
11451
11452 * data/glr.c (YYLTYPE): Make trivial if locations not used.
11453 (YYRHSLOC): Add parentheses, and define only if locations used.
11454 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
11455 locations not used.
11456 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
11457 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
11458
11459 * tests/cxx-type.at: Exercise location information; update tests
11460 to differentiate output with and without locations.
11461 Remove forward declarations of yylex and yyerror---caused errors
11462 because default YYLTYPE not yet defined.
11463 Change semantic actions to compute strings, rather than printing
11464 them directly (to test proper passing of semantics values). Change
11465 output to prefix notation and update test data and expected results.
11466 (yylex): Track locations.
11467 (stmtMerge): Return value rather than printing, and include arguments
11468 in value.
11469
11470 2003-06-03 Paul Eggert <eggert@twinsun.com>
11471
11472 Avoid warnings generated by GCC 2.95.4 when Bison is
11473 configured with --enable-gcc-warnings.
11474 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
11475 yy::]b4_parser_class_name[::translate_,
11476 yy::Stack::operator[] (unsigned),
11477 yy::Stack::operator[] (unsigned) const,
11478 yy::Slice::operator[] (unsigned),
11479 yy::Slice::operator[] (unsigned) const):
11480 Rename local vars to avoid warnings.
11481 * tests/glr-regression.at (Improper handling of embedded actions
11482 and $-N in GLR parsers): Remove unused local variable from yylex.
11483 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
11484 (void) as arg when not pure, since we now assume C89 when building
11485 Bison. Pacify GCC by using parameter.
11486
11487 2003-06-02 Paul Eggert <eggert@twinsun.com>
11488
11489 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
11490 yy::Location::lines, yy::Location::columns): Rename arguments
11491 to avoid shadowing; this removes a warning generated by GCC 3.3.
11492
11493 2003-06-01 Paul Eggert <eggert@twinsun.com>
11494
11495 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
11496 to g++, as GCC 3.3 complains if you do it.
11497 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
11498 everything that WARNING_CFLAGS has, except omit warnings
11499 not suitable for C++.
11500 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
11501 * tests/atlocal.in (CXXFLAGS): New var.
11502 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
11503
11504 Fix a GLR parser bug I reported in February; see
11505 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
11506 The problem was that GLR parsers did not conform to the C standard,
11507 because actions like { $1 = $2 + $3; } expanded to expressions
11508 that invoked YYFILL in separate subexpressions, and YYFILL assigned
11509 to a local variable. The C standard says that expressions
11510 like (var = f ()) + (var = f ()) have undefined behavior.
11511 Another problem was that GCC sometimes issues warnings that
11512 yyfill and its parameters are unused.
11513
11514 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
11515 as possibly unused.
11516 (yyfill): New function.
11517 (YYFILL): Use it.
11518 (yyuserAction): Change type of yynormal to bool, so that it matches
11519 the new yyfill signature. Mark it as possibly unused.
11520
11521
11522 Follow up on a bug I reported in February, where a Bison-generated
11523 parser can loop. Provide a test case and a fix for yacc.c. I
11524 don't have a fix for lalr1.cc or for glr.c, unfortunately.
11525 The original bug report is in:
11526 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
11527
11528 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
11529 macro's size was becoming unwieldy.
11530 (yyerrlab): Do not discard an empty lookahead symbol, as this
11531 might destroy garbage.
11532 (yyerrorlab): New label, with the old contents of YYERROR,
11533 plus the following change: pop the stack of rhs corresponding
11534 to the production that invoked YYERROR. That is how Yacc
11535 behaves, and POSIX requires this behavior.
11536 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
11537 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
11538 Define 'alarm' to do nothing if unistd.h is not available.
11539 Add a new rule "exp: '-' error;" to test the above change to
11540 data/yacc.c. Use 'alarm' to abort any test taking longer than
11541 10 seconds, as it's probably looping.
11542 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
11543 Also, the new yacc.c generates two fewer diagnostics for an
11544 existing test.
11545
11546 2003-05-24 Paul Eggert <eggert@twinsun.com>
11547
11548 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
11549 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
11550 This fixes a problem reported by John Bowman when the Compaq/HP
11551 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
11552 -ansi -Wall -gall).
11553 * data/yacc.c (union yyalloc): Likewise.
11554 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
11555
11556 Switch from 'int' to 'bool' where that makes sense.
11557
11558 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
11559 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
11560 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
11561 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
11562 Return or accept bool, not int. All callers changed.
11563 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
11564 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
11565 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
11566 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
11567 bitset_or_and_cmp_): Likewise.
11568 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
11569 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
11570 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
11571 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
11572 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
11573 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
11574 bitset_stats_or_and_cmp): Likewise.
11575 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
11576 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
11577 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
11578 ebitset_xor_cmp): Likewise.
11579 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
11580 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
11581 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
11582 lbitset_xor_cmp): Likewise.
11583 * lib/bbitset.h: Include <stdbool.h>.
11584 (struct bitset_vtable): The following members now return bool, not
11585 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
11586 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
11587 or_and_cmp).
11588 * src/conflicts.c (count_rr_conflicts): Likewise.
11589 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
11590 All uses changed.
11591 * lib/ebitset.c (ebitset_obstack_init): Likewise.
11592 * lib/lbitset.c (lbitset_obstack_init): Likewise.
11593 * src/getargs.c (debug_flag, defines_flag, locations_flag,
11594 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11595 graph_flag): Likewise.
11596 * src/getargs.h (debug_flag, defines_flag, locations_flag,
11597 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11598 graph_flag): Likewise.
11599 * src/output.c (error_verbose): Likewise.
11600 * src/output.h (error_verbose): Likewise.
11601 * src/reader.c (start_flag, typed): Likewise.
11602 * src/reader.h (typed): Likewise.
11603 * src/getargs.c (LOCATIONS_OPTION): New constant.
11604 (long_options, getargs): Use it.
11605 * src/lalr.c (build_relations): Use bool, not int.
11606 * src/nullable.c (nullable_compute): Likewise.
11607 * src/print.c (print_reductions): Likewise.
11608 * src/tables.c (action_row, pack_vector): Likewise.
11609 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
11610 * src/output.c (prepare): Use it.
11611 * src/output.c (token_definitions_output,
11612 symbol_destructors_output, symbol_destructors_output): Use string,
11613 not boolean integer, to keep track of whether to output separator.
11614 * src/print_graph.c (print_core): Likewise.
11615 * src/state.c (state_rule_lookaheads_print): Likewise.
11616
11617 * config/install-sh: Sync from automake 1.7.5.
11618
11619 2003-05-14 Paul Eggert <eggert@twinsun.com>
11620
11621 * src/parse-gram.y (rules_or_grammar_declaration): Require a
11622 semicolon after a grammar declaration, in the interest of possible
11623 future changes to the Bison input language.
11624 Do not allow a stray semicolon at the start of the grammar.
11625 (rhses.1): Allow one or more semicolons after any rule, including
11626 just before "|" as required by POSIX.
11627 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
11628 grammar.
11629
11630 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
11631
11632 %parse-param support for lalr1.cc.
11633
11634 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
11635 b4_cc_constructor_calls, b4_cc_constructor_call,
11636 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
11637 definitions.
11638 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
11639 parse-param arguments.
11640 (yy::b4_parser_class_name): Declare instance variables to
11641 hold parse-param arguments.
11642 * tests/calc.at: s/value/semantic_value/ because value clashes
11643 with a member of yy::b4_parser_class_name. Adjust C++ code
11644 to handle %parse-param. Enable %parse-param test in C++.
11645
11646 2003-05-12 Paul Eggert <eggert@twinsun.com>
11647
11648 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
11649 English a bit. Fix fclose typo. Change "const char" to "char
11650 const", and use ANSI C rather than K&R for "main". Suggest
11651 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
11652 and suggest yy_switch_to_buffer.
11653
11654 2003-05-05 Paul Eggert <eggert@twinsun.com>
11655
11656 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
11657 C89. This avoids a diagnostic on compilers that define __STDC__
11658 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
11659 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11660
11661 2003-05-03 Paul Eggert <eggert@twinsun.com>
11662
11663 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
11664 Do not overrun array bounds.
11665 This should fix a bug reported today by Olatunji Oluwabukunmi in
11666 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
11667
11668 2003-04-29 Akim Demaille <akim@epita.fr>
11669
11670 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
11671 * src/getargs.c, src/getargs.h: here, as bool, not int.
11672 (nondeterministic_parser): New.
11673 * src/parse-gram.y, src/scan-gram.l: Support
11674 %nondeterministic-parser.
11675 * src/output.c (prepare): Use nondeterministic_parser instead
11676 of glr_parser where appropriate.
11677 * src/tables.c (conflict_row, action_row, save_row)
11678 (token_actions, token_actions, pack_vector): Ditto.
11679
11680 2003-04-29 Akim Demaille <akim@epita.fr>
11681
11682 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
11683
11684 2003-04-29 Akim Demaille <akim@epita.fr>
11685
11686 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
11687 with %pure-parser and %locations to exercise the patch from Yakov
11688 Markovitch below.
11689
11690 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
11691
11692 * data/yacc.c: (b4_lex_param): Corrected for the case where
11693 %lex-param is provided and %pure-parser isn't.
11694
11695 2003-04-27 Paul Eggert <eggert@twinsun.com>
11696
11697 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
11698 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
11699 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
11700 if it is not defined.
11701 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
11702
11703 2003-04-26 Paul Eggert <eggert@twinsun.com>
11704
11705 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
11706 Declare to be of type suitable for the ninf value itself, not of
11707 type suitable for the corresponding table, since the latter might
11708 be unsigned but the ninf value might be negative. This fixes a
11709 bug reported by Alexandre Duret-Lutz in
11710 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
11711
11712 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
11713 invokes it. We shouldn't invoke it twice because it will attempt
11714 to put error.o in the archive twice. This fixes a glitch reported
11715 by Martin Mokrejs in
11716 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11717
11718 2003-04-21 Paul Eggert <eggert@twinsun.com>
11719
11720 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
11721 to gnulib.
11722
11723 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
11724
11725 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
11726 Fix obvious typo that results in uncompilable GLR parsers
11727 when both %pure-parser and %locations are used. (trivial change)
11728
11729 2003-04-17 Paul Eggert <eggert@twinsun.com>
11730
11731 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
11732 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
11733 Do not insert the expected token via unput, as this runs afoul
11734 of a POSIX-compatibility bug in flex 2.5.31.
11735 All uses changed to BEGIN the parent state,
11736 since we no longer insert the expected token via unput.
11737 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
11738 that is no longer emitted after the above change.
11739
11740 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
11741 the first one. This change is from Paul Hilfinger, and it fixes
11742 regression reported by Werner Lemberg in
11743 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
11744
11745 (resolve_sr_conflict): Don't invoke state_errs_set
11746 unless one or more tokens have been explicitly made errors.
11747 Otherwise, the above change causes Bison to abort.
11748
11749 * tests/existing.at (GNU pic Grammar): New test case, taken from
11750 Lemberg's email.
11751
11752 2003-03-31 Akim Demaille <akim@epita.fr>
11753
11754 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
11755
11756 2003-03-31 Akim Demaille <akim@epita.fr>
11757
11758 * src/output.c (prepare_symbols): Avoid trailing spaces in the
11759 output.
11760
11761 2003-03-31 Akim Demaille <akim@epita.fr>
11762
11763 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
11764 From Paul Hilfinger.
11765
11766 2003-03-29 Akim Demaille <akim@epita.fr>
11767
11768 * m4/error.m4: Do not put under dynamic conditions some code which
11769 expansion is under static control.
11770
11771 2003-03-29 Akim Demaille <akim@epita.fr>
11772
11773 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
11774
11775 2003-03-29 Akim Demaille <akim@epita.fr>
11776
11777 * doc/bison.texinfo (Strings are Destroyed): New.
11778
11779 2003-03-13 Paul Eggert <eggert@twinsun.com>
11780
11781 * .cvsignore: Add configure.lineno.
11782 * src/.cvsignore: Add yacc.
11783 * tests/.cvsignore: Add testsuite.log.
11784 * doc/fdl.texi: Sync with latest FSF version.
11785
11786 2003-03-12 Paul Eggert <eggert@twinsun.com>
11787
11788 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
11789 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
11790 cursor, instead of leaving it undefined. This fixes a bug
11791 reported by Tim Van Holder in
11792 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
11793 * tests/input.at (Torturing the Scanner): Test the scanner on
11794 an empty input file, which was Tim Van Holder's test case.
11795
11796 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
11797 <sys/resource.h> can be included, include sys/time.h and
11798 sys/times.h first, if available. This works around the SunOS
11799 4.1.4 porting bug reported by Bruce Becker in
11800 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
11801
11802 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
11803 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
11804 AC_HEADER_SYS_WAIT.
11805
11806 Merge changes from gnulib. This was prompted because the CVS
11807 snapshot didn't build on Solaris 7 due to strnlen problems.
11808
11809 These changes need to be merged back into gnulib:
11810 * lib/hash.c: Include <stdbool.h> unconditionally.
11811 * m4/onceonly.m4 (m4_quote): New macro.
11812 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
11813 Quote AC_FOREACH variable-expansions properly.
11814 The 2003-01-03 obstack.h change also needs merging.
11815 {end of changes requiring merging}
11816
11817 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11818 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
11819 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
11820 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
11821 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
11822 New files, imported from gnulib.
11823 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
11824 above.
11825
11826 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
11827 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
11828 gnulib sources.
11829
11830 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
11831 Add.
11832 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
11833 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
11834 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
11835 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
11836 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
11837 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
11838 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
11839 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
11840 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
11841 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
11842 (jm_PREREQ_ARGMATCH): Remove.
11843 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
11844 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
11845
11846 * src/system.h: Include <stdbool.h> unconditionally.
11847
11848 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
11849 assuming at least C89 in the bitset code for some time now.
11850
11851 2003-03-03 Akim Demaille <akim@epita.fr>
11852
11853 * ro.po: New.
11854
11855 2003-03-02 Akim Demaille <akim@epita.fr>
11856
11857 * doc/bison.texinfo (Table of Symbols): Reactivate the
11858 documentation for %lex-param, and %parse-param.
11859
11860 2003-03-02 Akim Demaille <akim@epita.fr>
11861
11862 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
11863 generate verbose error messages.
11864 Use the number of tokens as an upper bound in yytname, as it
11865 cannot be a non terminal.
11866
11867 2003-03-02 Akim Demaille <akim@epita.fr>
11868
11869 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
11870 message.
11871
11872 2003-03-02 Akim Demaille <akim@epita.fr>
11873
11874 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
11875 Use them to exercise yycheck overrun.
11876 Based on Andrew Suffield's grammar.
11877
11878 2003-03-02 Akim Demaille <akim@epita.fr>
11879
11880 Create tests/local.at for Bison generic testing macros.
11881
11882 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
11883 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
11884 This new file.
11885 * tests/calc.at (AT_CHECK_CALC): Adjust.
11886 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
11887 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
11888 * tests/local.at: here.
11889 (AT_COMPILE_CXX): Tags the tests using it as c++.
11890 Ignore the test if CXX is not functional.
11891
11892 2003-03-01 Paul Eggert <eggert@twinsun.com>
11893
11894 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
11895 not loc->end, since loc->end might contain garbage and this leads
11896 to undefined behavior on some platforms.
11897 (id_loc, token_start): Use (IF_LINTed) initial values that do not
11898 depend on *loc, so that the reader doesn't give the the false
11899 impression that *loc is initialized.
11900 (<INITIAL>"%%"): Do not bother setting code_start, since its value
11901 does not survive the return.
11902
11903 2003-03-01 Akim Demaille <akim@epita.fr>
11904
11905 * src/scan-gram.l (code_start): Always initialize it when entering
11906 into yylex, as SC_EPILOGUE is activated *before* the corresponding
11907 yylex invocation. An alternative would be making it static, but
11908 then it starts with the second %%'s beginning, instead of its end.
11909
11910 2003-02-28 Paul Eggert <eggert@twinsun.com>
11911
11912 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
11913 around a UnixWare 7.1.1 porting bug reported by John Hughes in
11914 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
11915
11916 2003-02-26 Paul Eggert <eggert@twinsun.com>
11917
11918 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
11919 Remove Sequent/Pyramid discussion (nobody uses them any more).
11920 Merge VMS and MS-DOS discussion; these ports may well be dead
11921 but let's keep mentioning them for now. Put <> around email
11922 addresses. Add copyright notice.
11923
11924 2003-02-24 Paul Eggert <eggert@twinsun.com>
11925
11926 * data/glr.c (yy_reduce_print): yylineno -> yylno,
11927 to avoid collision with flex use of yylineno.
11928 Problem reported by Bruce Lilly in
11929 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
11930 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
11931 * data/yacc.c (yy_reduce_print): Likewise.
11932
11933 * config/depcomp: Sync with Automake 1.7.3.
11934
11935 2003-02-21 Akim Demaille <akim@epita.fr>
11936
11937 * data/lalr1.cc: Use temporary variables instead of casts to
11938 change integer types.
11939 Suggested by Paul Eggert.
11940
11941 2003-02-21 Akim Demaille <akim@epita.fr>
11942
11943 * doc/bison.texinfo: Use "location" consistently to refer to @n,
11944 to avoid confusions with lalr1.cc's notion of Position.
11945 Suggested by Paul Eggert.
11946
11947 2003-02-20 Akim Demaille <akim@epita.fr>
11948
11949 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
11950 before initial_columns.
11951 (location.hh): Use consistent variable names when defining the
11952 operator<<.
11953 Use "last" so that we subtract from Positions, not from unsigned.
11954
11955 2003-02-20 Akim Demaille <akim@epita.fr>
11956
11957 * data/lalr1.cc (position.hh): New subfile, including the extended
11958 and Doxygen'ed documentation of class Position.
11959 (location.hh): Use it.
11960 Document a` la Doxygen.
11961 With the help of Benoit Perrot.
11962
11963 2003-02-20 Akim Demaille <akim@epita.fr>
11964
11965 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
11966 AT_YACC_IF.
11967 Redefine AT_YYERROR_SEES_LOC_IF using it.
11968 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
11969 not defined.
11970 Don't use the location in yy::Parser::error_ and
11971 yy::Parser::print_ when not %locations.
11972 Activate more lalr1.cc tests.
11973
11974 2003-02-19 Akim Demaille <akim@epita.fr>
11975
11976 * data/lalr1.cc: When displaying a line number, be sure to make it
11977 an int.
11978
11979 2003-02-19 Akim Demaille <akim@epita.fr>
11980
11981 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
11982 Remove, useless.
11983 (YYABORT, YYACCEPT, YYERROR): New.
11984 * tests/calc.at: Renable the lalr1.cc test.
11985
11986 2003-02-19 Akim Demaille <akim@epita.fr>
11987
11988 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
11989 error recovery, mixing with/without pops and discarding of the
11990 lookahead.
11991 Exercise YYERROR.
11992 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
11993
11994 2003-02-17 Paul Eggert <eggert@twinsun.com>
11995
11996 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
11997 * tests/testsuite.at (AT_COMPILE): Use them.
11998 This fixes the testsuite problem reported by Robert Lentz in
11999 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
12000
12001 2003-02-12 Paul Eggert <eggert@twinsun.com>
12002
12003 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
12004 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
12005 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
12006 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
12007 Check for malloc failure, for consistency with yacc.c.
12008 (yytname_size): Remove, for consistency with yacc.c.
12009
12010 The bug still remains in data/lalr1.cc, as I didn't have time
12011 to fix it there.
12012
12013 2003-02-06 Akim Demaille <akim@epita.fr>
12014
12015 * configure.ac (GXX): Rename as...
12016 (CXX): this, to keep the original Autoconf semantics.
12017 Require 2.57.
12018 * data/lalr1.cc: Fix b4_copyright invocations.
12019 If YYDEBUG is not defined, don't depend upon name_ being defined.
12020 (location.hh): Include string and iostream.
12021 (Position::filename): New member.
12022 (Position::Position ()): New.
12023 (operator<< (Position)): New.
12024 (operator- (Position, int)): New.
12025 (Location::first, Location::last): Rename as...
12026 (Location::begin, Location::end): these, to mock the conventional
12027 iterator names.
12028 (operator<< (Location)): New.
12029 * tests/atlocal.in (CXX): New.
12030 * tests/testsuite.at (AT_COMPILE_CXX): New.
12031 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
12032 locations in a more synthetic way.
12033 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
12034 lalr1.cc is used.
12035 Adjust the C locations to match those from Emacs: first column is
12036 column 0.
12037 Change all the expected results.
12038 Conform to the GCS: simplify the locations when applicable.
12039 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
12040 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
12041 these CPP macros with the m4 macros new defined by...
12042 (AT_CHECK_PUSHDEFS): this, i.e.:
12043 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
12044 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
12045 New macros.
12046 (AT_CHECK_POPDEFS): Undefine them.
12047 (AT_CHECK_CALC_LALR1_CC): New.
12048 Use it for the first lalr1.cc test.
12049
12050 2003-02-04 Akim Demaille <akim@epita.fr>
12051
12052 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
12053 Location as is defined.
12054
12055 2003-02-04 Akim Demaille <akim@epita.fr>
12056
12057 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
12058 name_ being defined.
12059
12060 2003-02-03 Paul Eggert <eggert@twinsun.com>
12061
12062 * src/gram.h (start_symbol): Remove unused decl.
12063
12064 Use more-consistent naming conventions for local vars.
12065
12066 * src/derives.c (derives_compute): Change type of local var from
12067 int to rule_number.
12068 * src/gram.c (grammar_rules_partial_print): Likewise.
12069 * src/print.c (print_core): Likewise.
12070 * src/reduce.c (reduce_grammar_tables): Likewise.
12071
12072 * src/gram.c (grammar_dump): Change name of item_number *
12073 local var from r to rp.
12074 * src/nullable.c (nullable_compute): Likewise.
12075
12076 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
12077
12078 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
12079 for symbol or symbol_number var.
12080 * src/reader.c (grammar_start_symbol_set): Likewise.
12081 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
12082 Likewise.
12083 * src/state.c (transitions_to): Likewise.
12084 * src/state.h: Likewise.
12085 * src/tables.c (symbol_number_to_vector_number): Likewise.
12086
12087 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
12088 char * var.
12089
12090 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
12091 var.
12092
12093 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
12094 var.
12095
12096 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
12097 Use str, not s, for char * var. Use ch, not c, for character var.
12098 Use size for size var.
12099
12100 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
12101 char * var.
12102 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
12103 uniqstr var.
12104 * src/uniqstr.h: Likewise.
12105
12106 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12107 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12108 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
12109 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
12110 param to have same name as that of enum, so that we don't use
12111 "s" to stand for a non-state.
12112
12113 2003-02-02 Akim Demaille <akim@epita.fr>
12114
12115 * src/scan-skel.l: Scan more than one inert character per yylex
12116 invocation.
12117
12118 2003-02-01 Paul Eggert <eggert@twinsun.com>
12119
12120 Version 1.875a.
12121
12122 * po/LINGUAS: Add ms.
12123
12124 2003-01-30 Akim Demaille <akim@epita.fr>
12125
12126 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
12127
12128 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12129
12130 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
12131 of $1.
12132
12133 Changes in response to error report by S. Eken: GLR mode does not
12134 handle negative $ indices or $ indices in embedded rules correctly.
12135 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
12136
12137 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
12138 (b4_rhs_location): Ditto.
12139 (yyfill): New function to copy from stack tree into array
12140 incrementally.
12141 (yyuserAction): Modify to allow incremental move of semantic values
12142 to rhs array when in GLR mode.
12143 Define YYFILL to use in user-defined actions to fill semantic array
12144 as needed.
12145 Remove dummy use of yystack, as there is now a guaranteed use.
12146 (yydoAction): Modify to allow incremental move of semantic values
12147 to rhs array when in GLR mode.
12148 (yyresolveAction): Ditto.
12149 (yyglrShiftDefer): Update comment.
12150 (yyresolveStates): Use X == NULL for pointers, not !X.
12151 (yyglrReduce): Ditto.
12152 (yydoAction): Ditto
12153
12154 * tests/glr-regr1.at: Rename to ...
12155 * tests/glr-regression.at: Add new regression test for the problems
12156 described above (adapted from S. Eken).
12157 Update copyright notice.
12158 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
12159 * tests/Makefile.am: Ditto.
12160
12161 2003-01-28 Paul Eggert <eggert@twinsun.com>
12162
12163 * data/lalr1.cc: Do not use @output_header_name@ unless
12164 b4_defines_flag is set. This fixes two bugs reported by
12165 Tim Van Holder in
12166 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
12167 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
12168
12169 2003-01-21 Paul Eggert <eggert@twinsun.com>
12170
12171 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
12172 we don't need to worry about yyerrlab1 being reported as an
12173 "unused label" by non-GCC C compilers. The downside is that if
12174 locations are used then a couple of statements are duplicated each
12175 time YYERROR is invoked, but the upside is that the warnings
12176 should vanish.
12177 (yyerrlab1): Move code to YERROR.
12178 (yyerrlab2): Remove. Change uses back to yyerrlab1.
12179 This reverts some of the 2002-12-27 change.
12180
12181 2003-01-17 Paul Eggert <eggert@twinsun.com>
12182
12183 * src/output.c (symbol_printers_output): Fix typo that led
12184 to core dump. Problem reported by Antonio Rus in
12185 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
12186
12187 2003-01-13 Akim Demaille <akim@epita.fr>,
12188 Quoc Peyrot <chojin@lrde.epita.fr>,
12189 Robert Anisko <anisko_r@lrde.epita.fr>
12190
12191 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
12192 when the stacks contain one element, as the loop would otherwise
12193 free the last state, and then use the top state (the one we just
12194 popped). This means that the initial elements will not be freed
12195 explicitly, as is the case in yacc.c; it is not a problem, as
12196 these elements have fake values.
12197
12198 2003-01-11 Paul Eggert <eggert@twinsun.com>
12199
12200 * NEWS: %expect-violations are now just warnings, reverting
12201 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
12202 bootstrapping problem reported by Matthias Klose; see
12203 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
12204 * src/conflicts.c (conflicts_print): Likewise.
12205 * tests/conflicts.at (%expect not enough, %expect too much,
12206 %expect with reduce conflicts): Likewise.
12207 * doc/bison.texinfo (Expect Decl): Document this. Also mention
12208 that the warning is enabled if the number of conflicts changes
12209 (not necessarily increases).
12210
12211 * src/getargs.c (version): Update copyright year.
12212
12213 2003-01-09 Akim Demaille <akim@epita.fr>
12214
12215 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
12216
12217 2003-01-08 Paul Eggert <eggert@twinsun.com>
12218
12219 * Makefile.maint (WGETFLAGS):
12220 New macro, containing "-C off" to disable proxy caches.
12221 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
12222 (rel-check): Use $(WGET) instead of wget.
12223
12224 2003-01-06 Paul Eggert <eggert@twinsun.com>
12225
12226 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
12227 the GLR paper of Scott, Johnstone and Hussain.
12228
12229 2003-01-04 Paul Eggert <eggert@twinsun.com>
12230
12231 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
12232 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
12233 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
12234 (EXTRA_LIBRARIES): New var, for liby.a.
12235 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
12236 (EXTRA_SCRIPTS): New var, for yacc.
12237
12238 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
12239 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
12240 Problem reported by Nelson H. F. Beebe.
12241
12242 2003-01-03 Paul Eggert <eggert@twinsun.com>
12243
12244 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
12245 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
12246 when compiling Bison 1.875's `bitset bset = obstack_alloc
12247 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
12248
12249 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
12250 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
12251 grow to a huge size with typical invocation.
12252
12253 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
12254 Use the pattern recommended by Autoconf 2.57, except also protect
12255 against double-definition.
12256 * src/system.h: Likewise.
12257 Portability issues reported by Nelson H. F. Beebe.
12258
12259 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
12260 All uses changed. Provide a definition in both C and C++.
12261 (yytrue, yyfalse): Define even if defined (__cplusplus).
12262
12263 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
12264 Reported by Nelson H. F. Beebe.
12265
12266 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
12267
12268 2003-01-02 Paul Eggert <eggert@twinsun.com>
12269
12270 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
12271 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
12272 Bug reported by Nelson H. F. Beebe.
12273
12274 2003-01-01 Paul Eggert <eggert@twinsun.com>
12275
12276 * Version 1.875.
12277
12278 2002-12-30 Paul Eggert <eggert@twinsun.com>
12279
12280 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
12281 Moved here from...
12282 (<INITIAL>","): Here. This causes stray "," to be treated
12283 more uniformly.
12284
12285 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
12286 last brace in braced code when not in Yacc mode, for compatibility
12287 with Bison 1.35. This resurrects the 2001-12-15 patch to
12288 src/reader.c.
12289
12290 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
12291 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
12292
12293 2002-12-28 Paul Eggert <eggert@twinsun.com>
12294
12295 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
12296 that of SYM's type. This fixes Debian bug 168069, reported by
12297 Thomas Olsson.
12298
12299 2002-12-28 Paul Eggert <eggert@twinsun.com>
12300
12301 Version 1.75f.
12302
12303 Switch back to the Yacc style of conflict reports, undoing some
12304 of the 2002-07-30 change.
12305 * doc/bison.texinfo (Understanding): Use Yacc style for
12306 conflict reports. Also, use new way of locating rules.
12307 * src/conflicts.c (conflict_report):
12308 Renamed from conflict_report_yacc, removing the old
12309 'conflict_report'. Translate the entire conflict report at once,
12310 so that we don't assume that "," has the same interpretation in
12311 all languages.
12312 (conflicts_output): Use Yacc-style conflict report for each state,
12313 instead of our more-complicated style.
12314 (conflicts_print): Use Yacc-style conflict report, except print
12315 the input file name when not emulating Yacc.
12316 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
12317 Conflicted Reduction, %expect not enough, %expect too much,
12318 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
12319 * tests/existing.at (GNU Cim Grammar): Likewise.
12320 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
12321
12322 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
12323 fatal): Don't invoke fflush; it's not needed and it might even be
12324 harmful for stdout, as stdout might not be open.
12325 * src/reduce.c (reduce_print): Likewise.
12326
12327 2002-12-27 Paul Eggert <eggert@twinsun.com>
12328
12329 Fix a bug where error locations were not being recorded correctly.
12330 This problem was originally reported by Paul Hilfinger in
12331 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
12332
12333 * data/yacc.c (yyparse): New local var yylerrsp, to record the
12334 top of the location stack's error locations.
12335 (yyerrlab): Set it. When discarding a token, push its location
12336 onto yylerrsp so that we don't lose track of the error's end.
12337 (yyerrlab1): Now is only the target of YYERROR, so that we can
12338 properly record the location of the action that failed. For GCC
12339 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
12340 GCC warning about yyerrlab1 being unused if YYERROR is unused.
12341 (yyerrlab2): New label, which yyerrlab now falls through to.
12342 Compute the error's location by applying YYLLOC_DEFAULT to
12343 the locations of all the symbols that went into the error.
12344 * doc/bison.texinfo (Location Default Action): Mention that
12345 YYLLOC_DEFAULT is also invoked for syntax errors.
12346 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12347 Error locations include the locations of all the tokens that were
12348 discarded, not just the last token.
12349
12350 2002-12-26 Paul Eggert <eggert@twinsun.com>
12351
12352 * src/files.c: Include quote.h.
12353 (compute_output_file_names): Warn if we detect conflicting
12354 outputs to the same file. This should catch the misunderstanding
12355 exemplified by Debian Bug 165349, reported by Bruce Stephens..
12356
12357 * src/conflicts.c (conflicts_print): If the user specifies
12358 "%expect N", report an error if there are any reduce/reduce
12359 conflicts. This is what the manual says should happen.
12360 This fixes Debian bug 130890, reported by Anthony DeRobertis.
12361 * tests/conflicts.at (%expect with reduce conflicts): New test.
12362
12363 Don't use m4_include on relative file names, as it doesn't work as
12364 desired if there happens to be a file with that name under ".".
12365
12366 * m4sugar/version.m4: Remove; it was included but it wasn't used.
12367 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
12368 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
12369 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
12370 * src/output.c (output_skeleton): Use full path names when
12371 specifying a file to include; don't rely on include path, as
12372 it's unreliable when the working file contains a file with
12373 that name.
12374
12375 2002-12-25 Paul Eggert <eggert@twinsun.com>
12376
12377 Remove obsolete references to bison.simple and bison.hairy.
12378 Problem mentioned by Aubin Mahe in
12379 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
12380 * data/glr.c: Comment fix.
12381 * doc/bison.1: Remove references. Also, mention "yacc".
12382
12383 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
12384 with -g option.
12385
12386 * src/parse-gram.y (declaration): Use enum "report_states" rather
12387 than its numeric value 1.
12388
12389 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
12390 opening a new one. This fixes Debian bug 165349, reported by
12391 Bruce Stephens.
12392
12393 2002-12-24 Paul Eggert <eggert@twinsun.com>
12394
12395 Version 1.75e.
12396
12397 * Makefile.maint (cvs-update): Don't assume that the shell
12398 supports $(...), as Solaris sh doesn't.
12399
12400 * src/parse-gram.y (lloc_default): Remove test for empty
12401 nonterminals at the end, since it didn't change the result.
12402
12403 2002-12-24 Paul Eggert <eggert@twinsun.com>
12404
12405 If the user does not define YYSTYPE as a macro, Bison now declares it
12406 using typedef instead of defining it as a macro. POSIX requires this.
12407 For consistency, YYLTYPE is also declared instead of defined.
12408
12409 %union directives can now have a tag before the `{', e.g., the
12410 directive `%union foo {...}' now generates the C code
12411 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
12412 The default union tag is `YYSTYPE', for compatibility with Solaris 9
12413 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
12414 instead of `yyltype'.
12415
12416 `yystype' and `yyltype' are now obsolescent macros instead of being
12417 typedefs or tags; they are no longer documented and will be
12418 withdrawn in a future release.
12419
12420 * data/glr.c (b4_location_type): Remove.
12421 (YYSTYPE): Renamed from yystype.
12422 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
12423 (struct YYLTYPE): Renamed from struct yyltype.
12424 (YYLTYPE): Renamed from yyltype.
12425 (yyltype, yystype): New (and obsolescent) macros,
12426 for backward compatibility.
12427 * data/yacc.c: Likewise.
12428
12429 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
12430 does not specify a union tag. This is for compatibility with
12431 Solaris 9 yacc.
12432
12433 * src/parse-gram.y (add_param): 2nd arg is now char * not char
12434 const *, since it is now modified by stripping surrounding { }.
12435 (current_braced_code): Remove.
12436 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
12437 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
12438 trailing " {...}". Now of type <chars>.
12439 (grammar_declaration): Adjust to bundled tokens.
12440 (code_content): Remove; stripping is now done by add_param.
12441 (print_token_value): Print contents of bundled tokens.
12442 (token_name): New function.
12443
12444 * src/reader.h (braced_code, current_braced_code): Remove.
12445 (token_name): New decl.
12446
12447 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
12448 token_type, not braced_code code_kind. All uses changed.
12449 (SC_PRE_CODE): New state, for scanning after a keyword that
12450 has (or usually has) an immediately-following braced code.
12451 (token_type): New local var, to keep track of which token type
12452 to return when scanning braced code.
12453 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
12454 <INITIAL>"%parse-param", <INITIAL>"%printer",
12455 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
12456 instead of returning a token type immediately.
12457 (<INITIAL>"{"): Set token type.
12458 (<SC_BRACED_CODE>"}"): Use it.
12459 (handle_action_dollar, handle_action_at): Now returns bool
12460 indicating success. Fail if ! current_rule; this prevents a core dump.
12461 (handle_symbol_code_dollar, handle_symbol_code_at):
12462 Remove; merge body into caller.
12463 (handle_dollar, handle_at): Complain in invalid contexts.
12464
12465 * NEWS, doc/bison.texinfo: Document the above.
12466 * NEWS: Fix years and program names in copyright notice.
12467
12468 2002-12-17 Paul Eggert <eggert@twinsun.com>
12469
12470 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
12471 Reporting, Table of Symbols): Omit mentions of %lex-param and
12472 %parse-param from the documentation for now.
12473
12474 2002-12-15 Paul Eggert <eggert@twinsun.com>
12475
12476 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
12477 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
12478 lookahead symbol, and which sets yychar in parser actions) and it
12479 disagreed with the Bison documentation. Bug
12480 reported by Andrew Walrond.
12481
12482 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
12483 as the caller now does that.
12484 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
12485 (YYEMPTY): Parenthesize right hand side, since others use it.
12486 (yyparse): Don't assume that our generated code is the only code
12487 that sets yychar.
12488
12489 2002-12-13 Paul Eggert <eggert@twinsun.com>
12490
12491 Version 1.75d.
12492
12493 POSIX requires a "yacc" command.
12494 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
12495 (MOSTLYCLEANFILES): Add yacc.
12496 (yacc): New rule.
12497 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
12498 as an alias for bison y.
12499
12500 * po/LINGUAS: Add da.
12501
12502 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
12503 problem with latest <getopt.h>.
12504 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
12505
12506 * doc/fdl.texi: Upgrade to 1.2.
12507 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
12508 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
12509 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
12510 gnulib.
12511 * config/install-sh: Sync with autotools.
12512
12513 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
12514 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12515 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
12516 locations are requested.
12517 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
12518 locations are requested.
12519
12520 2002-12-12 Paul Eggert <eggert@twinsun.com>
12521
12522 Remove unportable casts and storage allocation tricks.
12523 While we're at it, remove almost all casts, since they
12524 usually aren't needed and are a sign of trouble.
12525
12526 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
12527
12528 * src/derives.c (derives_compute): Do not subtract NTOKENS from
12529 the pointer DSET returned by malloc; this isn't portable.
12530 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
12531 Similarly for DERIVES.
12532 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
12533 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
12534 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
12535
12536 * src/derives.c (derives_compute): Do not bother invoking
12537 int_of_rule_number, since rule numbers are integers.
12538
12539 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
12540 rather than XMALLOC (char, N).
12541
12542 * src/files.c (filename_split): Rewrite to avoid cast.
12543
12544 * src/gram.h (symbol_number_as_item_number,
12545 item_number_as_symbol_number, rule_number_as_item_number,
12546 item_number_as_rule_number):
12547 Now inline functions rather than macros, to avoid casts.
12548 * src/state.h (state_number_as_int): Likewise.
12549 * src/tables.c (state_number_to_vector_number,
12550 symbol_number_to_vector_number): Likewise.
12551
12552 * src/gram.h (int_of_rule_number): Remove; no longer used.
12553
12554 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
12555 since the resulting storage is always stored into.
12556
12557 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
12558 where it's needed.
12559
12560 * src/muscle_tab.c (muscle_m4_output):
12561 Now inline. Return bool, not int.
12562 * src/state.c (state_compare): Likewise.
12563 * src/symtab.c (symbol_check_defined,
12564 symbol_check_alias_consistency, symbol_pack, symbol_translation,
12565 hash_compare_symbol, hash_symbol):
12566 Likewise.
12567 * src/uniqstr.c (uniqstr_print): Likewise.
12568 * src/muscle_tab.c (muscle_m4_output_processor):
12569 New function, to avoid casts.
12570 * src/state.c (state_comparator, stage_hasher): Likewise.
12571 * src/symtab.c (symbol_check_defined_processor,
12572 symbol_check_alias_consistency_processor, symbol_pack_processor,
12573 symbol_translation_processor, hash_symbol_comparator,
12574 hash_symbol_hasher): Likewise.
12575 * src/uniqstr.c (uniqstr_print_processor): Likewise.
12576 * src/muscle_tab.c (muscles_m4_output):
12577 Use new functions instead of casting old functions unportably.
12578 * src/state.c (state_hash_new): Likewise.
12579 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
12580 symbols_token_translations_init):
12581 Likewise.
12582 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
12583
12584 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
12585 var instead of casting to long, to avoid casts.
12586 (prepare_states): Use MALLOC rather than alloca, so that we don't
12587 have to worry about alloca.
12588 * src/state.c (state_hash_lookup): Likewise.
12589
12590 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
12591 local var instead of casting to unsigned char, to avoid casts.
12592
12593 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
12594 STATE_ALLOC): Remove.
12595 (transitions_new, errs_new, reductions_new, state_new): Use malloc
12596 rather than calloc, and use offsetof to avoid allocating slightly
12597 too much storage.
12598 (state_new): Initialize all members.
12599
12600 * src/state.c (state_hash): Use unsigned accumulator, not signed.
12601
12602 * src/symtab.c (symbol_free): Remove; unused.
12603 (symbol_get): Remove cast in lhs of assignment.
12604 (symbols_do): Now static. Accept generic arguments, not
12605 hashing-related ones.
12606
12607 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
12608 (symbol_processor): Remove.
12609 (symbols_do): Remove decl; now static.
12610
12611 * src/system.h (alloca): Remove; decl no longer needed.
12612 (<stddef.h>): Include, for offsetof.
12613 (<inttypes.>, <stdint.h>): Include if available.
12614 (uintptr_t): New type, if system lacks it.
12615 (CALLOC, MALLOC, REALLOC): New macros.
12616 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
12617 new macros.
12618
12619 * src/tables.c (table_size): Now int, to pacify GCC.
12620 (table_grow, table_ninf_remap): Use signed table size.
12621 (save_row): Don't bother initializing locals when not needed.
12622 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
12623 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
12624
12625 * src/vcg.h: Correct misspellings.
12626
12627 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
12628
12629
12630 * src/getargs.c (getargs): Don't assume EOF == -1.
12631
12632 2002-12-09 Paul Eggert <eggert@twinsun.com>
12633
12634 Change identifier spellings to avoid collisions with names
12635 that are reserved by POSIX.
12636
12637 Don't use names ending in _t, since POSIX reserves them.
12638 For consistency, remove _e and _s endings -- they're weren't
12639 needed to remove ambiguity. All uses changed.
12640 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
12641 turn was just renamed from struniq_t.
12642 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
12643 which in turn was just renamed from struniq_processor_t.
12644 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
12645 in turn was renamed from hash_compare_struniq_t.
12646 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
12647 (state_list): Renamed from state_list_t.
12648 * src/assoc.h (assoc): Renamed from assoc_t.
12649 * src/conflicts.c (enum conflict_resolution): Renamed from
12650 enum conflict_resolution_e.
12651 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
12652 (rule_list): Renamed from rule_list_t.
12653 * src/getargs.h (enum trace): Renamed from enum trace_e.
12654 (enum report): Renamed from enum report_e.
12655 * src/gram.h (item_number): Renamed from item_number_t.
12656 (rule_number): Renamed from rule_number_t.
12657 (struct rule_s): Remove the "rule_s" part; not used.
12658 (rule): Renamed from rule_t.
12659 (rule_filter): Renamed from rule_filter_t.
12660 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
12661 (goto_list): Renamed from goto_list_t.
12662 * src/lalr.h (goto_number): Renamed from goto_number_t.
12663 * src/location.h (location): Renamed from location_t.
12664 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
12665 and moved here from:
12666 * src/muscle_tab.h (muscle_entry_t): here.
12667 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
12668 (rule_list): Renamed from rule_list_t.
12669 * src/print_graph.c (static_graph): Renamed from graph.
12670 * src/reader.h (braced_code): Renamed from braced_code_t.
12671 Remove brace_code_e tag.
12672 * src/relation.h (relation_node): Renamed from relation_node_t.
12673 (relation_nodes): Renamed from relation_nodes_t.
12674 (relation): Renamed from relation_t.
12675 * src/state.h (state_number): Renamed from state_number_t.
12676 (struct state): Renamed from struct state_s.
12677 (state): Renamed from state_t.
12678 (transitions): Renamed from transitions_t. Unused (and
12679 misspelled) transtion_s tag removed.
12680 (errs): Renamed from errs_t. Unused errs_s tag removed.
12681 (reductions): Renamed from reductions_t. Unused tag
12682 reductions_s removed.
12683 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
12684 (struct symbol_list): Renamed from struct symbol_list_s.
12685 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
12686 (struct symbol): Renamed from struct symbol_s.
12687 (symbol): Renamed from symbol_t.
12688 * src/tables.c (vector_number): Renamed from vector_number_t.
12689 (action_number): Renamed from action_t.
12690 * src/tables.h (base_number): Renamed from base_t.
12691 * src/vcg.h (enum color): Renamed from enum color_e.
12692 (enum textmode): Renamed from enum textmode_e.
12693 (enum shape): Renamed from enum shape_e.
12694 (struct colorentry): Renamed from struct colorentry_s.
12695 (struct classname): Renamed from struct classname_s.
12696 (struct infoname): Renamed from struct infoname_s.
12697 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
12698 (enum decision): Renamed from enum decision_e.
12699 (enum orientation): Renamed from enum orientation_e.
12700 (enum alignment): Renamed from enum alignment_e.
12701 (enum arrow_mode): Renamed from enum arrow_mode_e.
12702 (enum crossing_type): Renamed from enum crossing_type_e.
12703 (enum view): Renamed from enum view_e.
12704 (struct node): Renamed from struct node_s.
12705 (node): Renamed from node_t.
12706 (enum linestyle): Renamed from enum linestyle_e.
12707 (enum arrowstyle): Renamed from enum arrowstyle_e.
12708 (struct edge): Renamed from struct edge.
12709 (edge): Renamed from edge_t.
12710 (struct graph): Renamed from struct graph_s.
12711 (graph): Renamed from graph_t.
12712 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
12713 Rename value_t -> value.
12714 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
12715 value_t_as_yystype -> value_as_yystype.
12716
12717 Don't include <errno.h> in the mainstream code, since it
12718 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
12719 * lib/get-errno.c, lib/get-errno.h: New files.
12720 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
12721 get-errno.c.
12722 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
12723 * src/output.c (output_skeleton): Likewise.
12724 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
12725 instead of errno.
12726 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
12727 Likewise.
12728 (handle_action_dollar, handle_action_at): Likewise.
12729 * src/system.h: Do not include <errno.h>.
12730 (TAB_EXT): Renamed from EXT_TAB.
12731 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
12732
12733 Avoid str[a-z]*, since <string.h> reserves that name space.
12734 Change all instances of "struniq" in names to "uniqstr", and
12735 likewise for "STRUNIQ" and "UNIQSTR".
12736 * src/uniqstr.c: Renamed from src/struniq.c.
12737 * src/uniqstr.h: Renamed from src/struniq.h.
12738 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
12739 * src/files.c (strsuffix): Remove; unused.
12740 (concat2): Renamed from stringappend. Now static.
12741 * src/files.h (strsuffix, stringappend): Remove; unused.
12742 * src/parse-gram.y (<chars>): Renamed from <string>.
12743 (<uniqstr>): Renamed from <struniq>.
12744 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
12745 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
12746 (struct graph_s.expand): Renamed from struct graph_s.stretch.
12747 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
12748 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
12749 (N_EXPAND): Renamed from N_STRETCH.
12750
12751 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
12752 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
12753 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
12754 Remove; unused.
12755 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
12756 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
12757 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
12758 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
12759 (BASE_MAXIMUM): Renamed from BASE_MAX.
12760 (BASE_MINIMUM): Renamed from BASE_MIN.
12761 (ACTION_MAX): Remove; unused.
12762 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
12763 Unnecessary casts removed from above defines.
12764
12765
12766 Fix misspelling in names.
12767 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
12768 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
12769 G_NODE_ALIGNEMENT.
12770
12771
12772 * lib/timevar.c (timevar_report): Renamed from time_report,
12773 for consistency with other names.
12774 * lib/timevar.h (timevar_report): New decl.
12775 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
12776
12777
12778 Sort include-file uses.
12779
12780 Reorder all include files under src to be in the order "system.h".
12781 then the ../lib include files in angle brackets (alphabetized),
12782 then the . include files in double-quotes (alphabetized). Fix
12783 dependency breakages encountered in this process, as follows:
12784 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
12785 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
12786 * src/state.h: Include "symtab.h".
12787
12788 2002-12-08 Paul Eggert <eggert@twinsun.com>
12789
12790 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
12791 since this causes problems when __file__ contains character
12792 sequences like "@" that are treated specially by src/scan-skel.l.
12793 Instead, just use the file's basename. This fixes the bug
12794 reported by Martin Mokrejs in
12795 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
12796
12797 2002-12-06 Paul Eggert <eggert@twinsun.com>
12798
12799 Add support for rules that do not have trailing semicolons, as
12800 POSIX requires. Improve the quality of locations in Bison
12801 diagnostics.
12802
12803 * src/location.c: Include <quotearg.h>.
12804 (empty_location): Now const.
12805 (location_print): New function. Follow the recommendation of the
12806 GNU Coding Standards for locations that span file boundaries.
12807 * src/location.h: Do not include <quotearg.h>; no longer needed.
12808 (boundary): New type.
12809 (location_t): Use it. This allows locations to span file boundaries.
12810 All member uses changed: file -> start.file or end.file (as needed),
12811 first_line -> start.line, first_column -> start.column,
12812 last_line -> end.line, last_column -> end.column.
12813 (equal_boundaries): New function.
12814 (LOCATION_RESET, LOCATION_STEP): Remove.
12815 (LOCATION_PRINT): Remove. All callers changed to use location_print.
12816 (empty_location): Now const.
12817 (location_print): New decl.
12818 * src/parse-gram.y (lloc_default): New function, which handles
12819 empty locations more accurately.
12820 (YYLLOC_DEFAULT): Use it.
12821 (%token COLON): Remove.
12822 (%token ID_COLON): New token.
12823 (rules): Use it.
12824 (declarations, rules): Remove trailing semicolon.
12825 (declaration, rules_or_grammar_declaration):
12826 Allow empty (";") declaration.
12827 (symbol_def): Remove empty actions; no longer needed.
12828 (rules_or_grammar_declaration): Remove trailing semicolon.
12829 (semi_colon.opt): Remove.
12830 * src/reader.h: Include location.h.
12831 (scanner_cursor): New decl.
12832 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
12833 rolling our own.
12834 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
12835 of *loc.
12836 (STEP): Remove. No longer needed, now that adjust_location does
12837 the work. All uses removed.
12838 (scanner_cursor): New var.
12839 (adjust_location): Renamed from extend_location. It now sets
12840 *loc and adjusts the scanner cursor. All uses changed.
12841 Don't bother testing for CR.
12842 (handle_syncline): Remove location arg; now updates scanner cursor.
12843 All callers changed.
12844 (unexpected_end_of_file): Now accepts start boundary of token or
12845 comment, not location. All callers changed. Update scanner cursor,
12846 not the location.
12847 (SC_AFTER_IDENTIFIER): New state.
12848 (context_state): Renamed from c_context. All uses changed.
12849 (id_loc, code_start, token_start): New local vars.
12850 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
12851 processing of Yacc white space and equivalents here.
12852 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
12853 instead of returning ID immediately, since we need to search for
12854 a subsequent colon.
12855 (<INITIAL>"'", "\""): Save token_start.
12856 (<INITIAL>"%{", "{", "%%"): Save code_start.
12857 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
12858 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
12859 BEGIN context_state at end, not INITIAL.
12860 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
12861 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
12862 Return correct token start.
12863 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
12864 the start of a character, string or multiline comment is found.
12865 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
12866 Reduction): Adjust reported locations to match the more-precise
12867 results now expected.
12868 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
12869 * tests/reduce.at (Useless Rules, Reduced Automaton,
12870 Underivable Rules): Likewise.
12871 * tests/regression.at (Invalid inputs): No longer `expecting ";"
12872 or "|"' now that so many other tokens are allowed by the new grammar.
12873
12874 * src/complain.h (current_file): Remove duplicate decl;
12875 current_file is now owned by files.h.
12876 * src/complain.c, src/scan-gram.l: Include files.h.
12877
12878 2002-12-06 Paul Eggert <eggert@twinsun.com>
12879
12880 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
12881 promotes to int; it might be unsigned int.
12882 * data/yacc.c (yy_reduce_print): Likewise.
12883
12884 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
12885 be #defined in the prologue, not in the Bison declarations.
12886 This fixes Debian Bug 102878, reported by Shaul Karl.
12887
12888 2002-12-02 Paul Eggert <eggert@twinsun.com>
12889
12890 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
12891 * lib/strtoul.c: New file, from gnulib.
12892 This fixes a porting bug reported by Peter Klein in
12893 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
12894
12895 2002-11-30 Paul Eggert <eggert@twinsun.com>
12896
12897 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
12898 and put only a forward declaration in the prologue. This is for
12899 consistency with the other scanner helper functions.
12900
12901 Type clashes now generate warnings, not errors, since it
12902 appears that POSIX may allow some grammars with type clashes.
12903 * src/reader.c (grammar_current_rule_check): Warn about
12904 type clashes instead of complaining.
12905 * tests/input.at (Type Clashes): Expect warnings, not complaints.
12906
12907 Add Yacc library, since POSIX requires it.
12908 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
12909 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
12910 * lib/main.c, lib/yyerror.c: New files.
12911
12912 gram_error can be static; it need not be extern.
12913 * src/reader.h (gram_error): Remove decl.
12914 * src/parse-gram.y (gram_error): Now static. Add static decl.
12915 (print_token_value): Omit parameter names from forward decl,
12916 for consistency.
12917
12918 2002-11-29 Paul Eggert <eggert@twinsun.com>
12919
12920 * doc/bison.texinfo: Emphasize that yylex and yyerror must
12921 be declared before being used. E.g., one should typically
12922 declare them in the prologue. Use GNU coding style in examples.
12923 Put "const" consistently after the type it modifies. Mention
12924 that C99 supports "inline". Mention that yyerror traditionally
12925 returns "int".
12926
12927 %parse-param and %lex-param now take just one argument, the
12928 declaration; the argument name is deduced from the declaration.
12929
12930 * doc/bison.texinfo (Parser Function, Pure Calling, Error
12931 Reporting, Table of Symbols): Document this.
12932 * src/parse-gram.y (add_param): New function.
12933 (COMMA): Remove.
12934 (declaration): Implement new rule for %parse-param and %lex-param.
12935 * src/scan-gram.l: "," now elicits a warning, rather than being
12936 a token; this is more compatible with byacc.
12937 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
12938
12939 2002-11-27 Paul Eggert <eggert@twinsun.com>
12940
12941 Rename identifiers to avoid real and potential collisions.
12942
12943 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
12944 to avoid collision with lex macro described by Bruce Lilly in
12945 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12946 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
12947 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
12948 * src/parse-gram.y (print_token_value): Renamed from yyprint.
12949 All uses changed.
12950 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
12951 The name "yycontrol" violates the name space rules, and this stuff
12952 wasn't being used anyway.
12953 (input): Remove action; this stuff wasn't being used.
12954 (gram_error): Rename local variable yylloc -> loc.
12955 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
12956 (YY_DECL): Don't use "yy" at start of local variables.
12957 All uses changed, e.g., yylloc -> loc.
12958 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
12959 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
12960 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
12961 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
12962
12963 * src/parse-gram.y (gram_error): loc is now const *.
12964 * src/reader.h (gram_error): Likewise.
12965
12966 2002-11-24 Paul Eggert <eggert@twinsun.com>
12967
12968 Version 1.75c.
12969
12970 * tests/actions.at (Actions after errors): Use an output format
12971 more similar to that of the Printers and Destructors test.
12972 Test the position of the ';' token too.
12973 (Printers and Destructors): Likewise.
12974 (Printers and Destructors: %glr-parser): Remove for now, to avoid
12975 unnecessarily alarming people when the test fails.
12976
12977 * data/yacc.c (yyerrlab1): Move this label down, so that the
12978 parser does not discard the lookahead token if the user code
12979 invokes YYERROR. This change is required for POSIX conformance.
12980
12981 * lib/error.c: Sync with gnulib.
12982
12983 2002-11-22 Paul Eggert <eggert@twinsun.com>
12984
12985 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
12986 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
12987 * lib/xmalloc.c: Likewise.
12988
12989 2002-11-20 Paul Eggert <eggert@twinsun.com>
12990
12991 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
12992
12993 2002-11-20 Paul Eggert <eggert@twinsun.com>
12994
12995 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
12996 should use `if (! x) abort ();' rather than `assert (x);', and
12997 anyway it's one less thing to worry about configuring.
12998
12999 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
13000 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
13001 and replace all instances of assert with abort.
13002 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
13003 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
13004
13005 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
13006 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
13007 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
13008 hash_find_entry, hash_rehash, hash_insert): Likewise.
13009 * src/conflicts.c (resolve_sr_conflict): Likewise.
13010 * src/lalr.c (set_goto_map, map_goto): Likewise.
13011 * src/nullable.c (nullable_compute): Likewise.
13012 * src/output.c (prepare_rules, token_definitions_output): Likewise.
13013 * src/reader.c (packgram, reader): Likewise.
13014 * src/state.c (state_new, state_free, state_transitions_set,
13015 state_reduction_find): Likewise.
13016 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
13017 symbol_pack): Likewise.
13018 * src/tables.c (conflict_row, pack_vector): Likewise.
13019 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13020 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13021 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
13022 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
13023
13024 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
13025 (ARGMATCH_CONSTRAINT): New macro.
13026 (ARGMATCH_ASSERT): Use it.
13027
13028 * src/system.h (verify): New macro.
13029 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
13030 rather than assert.
13031 * src/tables.c (tables_generate): Likewise.
13032
13033 * src/struniq.c (struniq_assert): Now returns void, and aborts
13034 if the assertion is false.
13035 (struniq_assert_p): Remove.
13036 * src/struniq.h: Likewise.
13037
13038 2002-11-18 Paul Eggert <eggert@twinsun.com>
13039
13040 * data/glr.c (yygetLRActions): Replace `yyindex' with
13041 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
13042 This fixes the regression with Sun ONE Studio 7 cc that I reported in
13043 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
13044
13045 2002-11-18 Akim Demaille <akim@epita.fr>
13046
13047 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
13048 space.
13049 From Tim Van Holder.
13050
13051 2002-11-17 Paul Eggert <eggert@twinsun.com>
13052
13053 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
13054 to "SyntaxError" for consistency with my 2002-11-15 change.
13055
13056 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
13057 not define to {}, since this breaks the common use of `YYDPRINTF
13058 ((...));' if a single statement is desired (e.g. before `else').
13059 Work around GCC warnings by surrounding corresponding calls with
13060 {} if needed.
13061 (yyhasResolvedValue): Remove unused function.
13062 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
13063 loop body.
13064 (yyreportSyntaxError): Renamed from yyreportParseError.
13065 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
13066 All uses changed.
13067 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
13068 extern when possible. Remove unused initializations.
13069
13070 2002-11-16 Akim Demaille <akim@epita.fr>
13071
13072 Augment the similarity between GLR and LALR traces.
13073
13074 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
13075 (YY_REDUCE_PRINT): New.
13076 (yyparse): Use them.
13077 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
13078 YYDPRINT here.
13079 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
13080 state reached after the reduction/recovery, since...
13081 (yyparse, yyprocessOneStack): Report the state we are entering in.
13082
13083 2002-11-16 Akim Demaille <akim@epita.fr>
13084
13085 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
13086 Add support for --trace=skeleton.
13087 * src/scan-skel.l: %option debug.
13088 Scan strings of non-@ or \n instead of character by character.
13089 (scan_skel): Handle trace_skeleton.
13090 (QPUTS): New.
13091 (@output_parser_name@, @output_header_name@): ``Restore'' their
13092 support (used to be M4 macros).
13093 * data/yacc.c: Quote larger chunks, a la glr.c.
13094 * data/lalr1.cc: Likewise.
13095 The header guards are no longer available, so use some other
13096 string than `YYLSP_NEEDED'.
13097
13098 2002-11-16 Akim Demaille <akim@epita.fr>
13099
13100 Make the ``Printers and Destructors'' test more verbose, taking
13101 `yacc.c''s behavior as (possibly wrong) reference.
13102
13103 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
13104 instead of fprint on stdout.
13105 Set and report the last_line of the symbols.
13106 Consistently display values and locations.
13107
13108 2002-11-16 Paul Eggert <eggert@twinsun.com>
13109
13110 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
13111
13112 2002-11-15 Paul Eggert <eggert@twinsun.com>
13113
13114 * tests/actions.at (Actions after errors): New test case.
13115
13116 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
13117 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
13118 tests/action.at, tests/calc.at, tests/conflicts.at,
13119 tests/cxx-type.at, tests/regression.at:
13120 "parse error" -> "syntax error" for POSIX compatibility.
13121 "parsing stack overflow..." -> "parser stack overflow" so
13122 that code matches Bison documentation.
13123
13124 2002-11-15 Akim Demaille <akim@epita.fr>
13125
13126 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
13127 take two BRACED_CODE, not two string_content.
13128 Free the scanner's obstack when we are done.
13129 (code_content): New.
13130 * tests/calc.at: Adjust.
13131 * doc/bison.texinfo: Adjust.
13132 Also, make sure to include the `,' for these declarations.
13133
13134 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
13135
13136 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
13137 definition; avoids potential autoreconf problems.
13138
13139 2002-11-15 Akim Demaille <akim@epita.fr>
13140
13141 Always check the value returned by yyparse.
13142
13143 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
13144 returned by yyparse.
13145 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
13146 Adjust calls.
13147 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
13148 returned by yyparse.
13149
13150 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13151
13152 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
13153 on input.at test.
13154
13155 2002-11-14 Paul Eggert <eggert@twinsun.com>
13156
13157 * src/output.c (output_skeleton): Call xfopen instead of
13158 duplicating xfopen's body.
13159
13160 Fix bugs reported by Nelson H. F. Beebe in
13161 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
13162
13163 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
13164 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
13165 Group compiler. Instead, use "$CC -E bar.c". Include the .h
13166 file twice in the grammar, as an extra check.
13167
13168 * tests/input.at (Torturing the Scanner): Surround the
13169 backslash-newline tests with "#if 0", to make it less likely that
13170 we'll run into compiler bugs. Bring back solitary \ inside
13171 comment, but add a closing comment to work around HP C bug. Don't
13172 test backslash-newline in C character constant.
13173
13174 2002-11-14 Akim Demaille <akim@epita.fr>
13175
13176 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
13177 status of the compiler.
13178 Calling `exit 1' is no longer needed.
13179 Reported by Nelson H. F. Beebe.
13180
13181 2002-11-14 Akim Demaille <akim@epita.fr>
13182
13183 * tests/atlocal.in (CPPFLAGS): We have config.h.
13184 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
13185 New.
13186 * tests/actions.at, tests/calc.at, tests/conflicts.at,
13187 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
13188 * tests/regression.at, tests/torture.at: Use them for all the
13189 grammars that are to be compiled.
13190 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
13191 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
13192 * doc/bison.texinfo (GLR Parsers): Document `inline'.
13193
13194 2002-11-14 Akim Demaille <akim@epita.fr>
13195
13196 * doc/bison.texinfo: Various formatting changes (alignments in
13197 samples, additional @group/@end group, GCS in samples.
13198 Use @deffn instead of simple @table to define the directives,
13199 macros, variables etc.
13200
13201 2002-11-13 Paul Eggert <eggert@twinsun.com>
13202
13203 Fix some bugs reported by Albert Chin-A-Young in
13204 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
13205
13206 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
13207 -o c"; the HP C compiler chatters during compilation.
13208 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
13209 * tests/headers.at (export YYLTYPE): Likewise.
13210
13211 * tests/input.at (Torturing the Scanner): Remove lines containing
13212 solitary backslashes, as they tickle a bug in the HP C compiler.
13213
13214 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
13215 comments, since they're not portable. Use GNU coding style.
13216
13217 2002-11-13 Akim Demaille <akim@epita.fr>
13218
13219 * data/yacc.c: Leave bigger chunks of quoted text.
13220 (YYDSYMPRINTF): New.
13221 Use it to report symbol activities.
13222 * data/glr.c (YYDSYMPRINTF): New.
13223 Use it.
13224
13225 2002-11-12 Paul Eggert <eggert@twinsun.com>
13226
13227 Version 1.75b.
13228
13229 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
13230 (yyglrReduce): Return yyok, not 0.
13231 This should avoid the enumerated-type warnings reported
13232 by Nelson H. F. Beebe in
13233 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
13234
13235 * lib/bbitset.h (BITSET_INLINE): Remove.
13236 * lib/bitset.h [! BITSET_INLINE]: Remove.
13237 (bitset_set, bitset_reset, bitset_test): Rename local vars
13238 to avoid shadowing warnings by GCC.
13239
13240 * data/glr.c (inline): Remove #define. It's the user's
13241 responsibility to #define it away, just like 'const'.
13242 This fixes one of the bugs reported by Nelson H. F. Beebe in
13243 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
13244
13245 * Makefile.maint (po-check): Scan .l and .y files instead of the
13246 .c and the .h files that they generate. This fixes the bug
13247 reported by Tim Van Holder in:
13248 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
13249 Look for N_ as well as for _. Try to avoid matching #define for
13250 N_ and _.
13251 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
13252 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
13253 * src/scan-gram.l: Revamp regular expressions so that " and '
13254 do not confuse xgettext.
13255
13256 * src/struniq.h (struniq_new): Do not declare the return type
13257 to be 'const'; this violates the C standard.
13258 * src/struniq.c (struniq_new): Likewise.
13259
13260 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
13261
13262 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
13263 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
13264 linker.
13265
13266 2002-11-12 Akim Demaille <akim@epita.fr>
13267
13268 * Makefile.maint: Sync with Autoconf:
13269 (local_updates): New.
13270
13271 2002-11-12 Akim Demaille <akim@epita.fr>
13272
13273 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
13274
13275 2002-11-12 Akim Demaille <akim@epita.fr>
13276
13277 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
13278 locations.
13279
13280 2002-11-12 Akim Demaille <akim@epita.fr>
13281
13282 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
13283 not yyvalue.
13284
13285 2002-11-12 Akim Demaille <akim@epita.fr>
13286
13287 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
13288 Use it to test the GLR parser.
13289
13290 2002-11-12 Akim Demaille <akim@epita.fr>
13291
13292 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
13293 defines it.
13294 * data/glr.c (yystos): New.
13295 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
13296 (YYDSYMPRINT): New.
13297 (yyval): Don't define it, it is handled via M4.
13298 (yyrecoverParseError): Free verbosely the discarded symbols.
13299 * data/yacc.c (yysymprint): Remove, rather...
13300 (b4_yysymprint_generate): invoke.
13301 * data/c.m4 (b4_yysymprint_generate): New.
13302 Accept pointers as arguments, as opposed to the version from
13303 yacc.c.
13304 (b4_yydestruct_generate): Likewise.
13305 * tests/cations.at (Printers and Destructors): Use Bison directives
13306 instead of CPP macros.
13307 Don't rely on internal details.
13308
13309 2002-11-12 Akim Demaille <akim@epita.fr>
13310
13311 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
13312 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
13313 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
13314 it against YYEMPTY and so forth), work on yytoken (i.e., set
13315 it to YYEMPTY etc.).
13316 (yydestruct): Replace with a b4_yydestruct_generate invocation.
13317 (b4_symbol_actions): Remove.
13318 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
13319 for 0, end-of-input.
13320
13321 2002-11-12 Akim Demaille <akim@epita.fr>
13322
13323 * doc/bison.texinfo (Destructor Decl): New.
13324
13325 2002-11-12 Akim Demaille <akim@epita.fr>
13326
13327 * src/tables.c (tables_generate): Use free for pointers that
13328 cannot be NULL, not XFREE.
13329 (pack_vector): Use assert, not fatal, for bound violations.
13330 * src/state.c (state_new): Likewise.
13331 * src/reader.c (reader): Likewise.
13332 * src/lalr.c (set_goto_map): Likewise.
13333 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
13334 the file name.
13335
13336 2002-11-12 Akim Demaille <akim@epita.fr>
13337
13338 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
13339 Restore.
13340 * src/scan-gram.l (last_string): Is global to the file, not to
13341 yylex.
13342 * src/parse-gram.y (input): Don't append the epilogue here,
13343 (epilogue.opt): do it here, and free the scanner's obstack.
13344 * src/reader.c (epilogue_set): Rename as...
13345 (epilogue_augment): this.
13346 * data/c.m4 (b4_epilogue): Defaults to empty.
13347
13348 2002-11-12 Akim Demaille <akim@epita.fr>
13349
13350 * src/getargs.c (long_options): Remove duplicates.
13351 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
13352 Remove.
13353 * doc/bison.rnh: Remove.
13354 * doc/bison.texinfo (VMS Invocation): Remove.
13355
13356 2002-11-12 Akim Demaille <akim@epita.fr>
13357
13358 * src/struniq.h, src/struniq.c (struniq_t): Is const.
13359 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
13360
13361 Use struniq for symbols.
13362
13363 * src/symtab.h (symbol_t): The tag member is a struniq.
13364 (symbol_type_set): Adjust.
13365 * src/symtab.c (symbol_new): Takes a struniq.
13366 (symbol_free): Don't free the tag member.
13367 (hash_compare_symbol_t, hash_symbol_t): Rename as...
13368 (hash_compare_symbol, hash_symbol): these.
13369 Use the fact that tags as struniqs.
13370 (symbol_get): Use struniq_new.
13371 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
13372 Returns a strniq.
13373 * src/reader.h (merger_list, grammar_currentmerge_set): The name
13374 and type members are struniqs.
13375 * src/reader.c (get_merge_function)
13376 (grammar_current_rule_merge_set): Adjust.
13377 (TYPE, current_type): Are struniq.
13378
13379 Use struniq for file names.
13380
13381 * src/files.h, src/files.c (infile): Split into...
13382 (grammar_file, current_file): these.
13383 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
13384 * src/reduce.c (reduce_print): Likewise.
13385 * src/getargs.c (getargs): Likewise.
13386 * src/complain.h, src/complain.c: Likewise.
13387 * src/main.c (main): Call struniqs_new early enough to use it for
13388 file names.
13389 Don't free the input file name.
13390
13391 2002-11-12 Akim Demaille <akim@epita.fr>
13392
13393 * src/symtab.c (symbol_free): Remove dead deactivated code:
13394 type_name are properly removed.
13395 Don't use XFREE to free items that cannot be NULL.
13396 * src/struniq.h, src/struniq.c: New.
13397 * src/main.c (main): Initialize/free struniqs.
13398 * src/parse-gram.y (%union): Add astruniq member.
13399 (yyprint): Adjust.
13400 * src/scan-gram.l (<{tag}>): Return a struniq.
13401 Free the obstack bit that used to store it.
13402 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
13403
13404 2002-11-11 Paul Eggert <eggert@twinsun.com>
13405
13406 Revamp to fix many (but not all) of the C- and M4-related quoting
13407 problems. Among other things, this fixes the Bison bug reported
13408 by Jan Hubicka when processing the Bash grammar; see:
13409 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
13410
13411 Use new @ escapes consistently. Represent brackets with @{ and @}
13412 rather than @<:@ and @:>@, since this works a bit better with dumb
13413 editors like vi. Represent @ with @@, since @ is now consistently
13414 an escape. Use @oline@ and @ofile@ rather than __oline__ and
13415 __ofile__, to avoid unexpected expansions. Similarly, use @output
13416 rather than #output.
13417
13418 * data/c.m4 (b4_copyright): Omit file name from comment, since
13419 the file name could contain "*/".
13420 (b4_synclines_flag): Don't quote the 2nd argument; it should already
13421 be quoted. All uses changed.
13422
13423 * data/glr.c: Use new @ escapes consistently.
13424 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
13425 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
13426 Remove, since they couldn't handle arbitrary characters in file
13427 names.
13428 * data/lalr1.cc: Likewise.
13429 * data/yacc.c: Likewise.
13430
13431 * src/files.c (output_infix): Remove; all uses removed.
13432 * src/files.h: Likewise.
13433
13434 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
13435 mishandled funny characters in file names, and anyway it isn't
13436 needed any more.
13437 * data/yacc.c: Likewise.
13438 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
13439
13440 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
13441 * data/yacc.c: Likewise.
13442
13443 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
13444 strings now.
13445 (muscle_init): Quote filename as a C string.
13446 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
13447 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
13448 * src/output.c (escaped_file_name_output): New function.
13449 (prepare_symbols): Quote tokens for M4.
13450 (prepare): Don't insert output_infix, output_prefix,
13451 output_parser_name, output_header_name; this is now down by scan-skel.
13452 Insert skeleton as a C string.
13453
13454 * src/output.c (user_actions_output, symbol_destructors_output,
13455 symbol_printers_output): Quote filenames for C and M4.
13456 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13457
13458 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
13459 escapes other than \\ and \'; this simplifies the code.
13460 (<SC_STRING>): Likewise, for \\ and \".
13461 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
13462 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
13463 Use new escapes @{ and @} for [ and ].
13464
13465 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
13466 them with auto vars.
13467 Switch to new escape scheme, where @ is the escape character uniformly.
13468 Abort if a stray escape character is found. Avoid unbounded input
13469 buffer when parsing non-escaped text.
13470
13471 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
13472 __oline__, #output, $@, and @{ do not have unintended meanings.
13473
13474 2002-11-09 Paul Eggert <eggert@twinsun.com>
13475
13476 Fix the test failure due to GCC warnings described in
13477 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
13478 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
13479 evaluate to 0 if it's impossible for NINF to be in the respective
13480 table.
13481 (yygetLRActions, yyrecoverParseError): Use them.
13482
13483 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
13484 counted in the token inserted at end of file. Now takes
13485 location_t *, not location_t, so that the location can be
13486 adjusted. All uses changed.
13487
13488 * tests/regression.at (Invalid inputs): Adjust wording in
13489 diagnostic to match the new behavior.
13490
13491 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
13492 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
13493 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
13494 abort ();'. This reduces the runtime of the "Many lookaheads"
13495 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
13496 GCC 3.2.
13497
13498 2002-11-07 Paul Eggert <eggert@twinsun.com>
13499
13500 * src/parse-gram.y (CHARACTER): Remove unused token.
13501 All uses removed.
13502
13503 * src/scan-gram.l: Remove stack option. We no longer use the
13504 stack, since the stack was never deeper than 1; instead, use the
13505 new auto var c_context to record the stacked value.
13506
13507 Remove nounput option. At an unexpected end of file, we now unput
13508 the minimal input necessary to end cleanly; this simplifies the
13509 code.
13510
13511 Avoid unbounded token sizes where this is easy.
13512
13513 (unexpected_end_of_file): New function.
13514 Use it to systematize the error message on unexpected EOF.
13515 (last-string): Now auto, not static.
13516 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
13517 (scanner_last_string_free): Remove; not used.
13518 (percent_percent_count): Move decl to just before use.
13519 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
13520 not the (never otherwised-used) CHARACTER.
13521
13522 2002-11-07 Akim Demaille <akim@epita.fr>
13523
13524 Let yyerror always receive the msg as last argument, so that
13525 yyerror can be variadic.
13526
13527 * data/yacc.c (b4_yyerror_args): New.
13528 Use it when calling yyerror.
13529 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
13530 Use it when calling yyerror.
13531 * doc/bison.texinfo (Error Reporting): Adjust.
13532 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
13533 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
13534
13535 2002-11-06 Akim Demaille <akim@epita.fr>
13536
13537 #line should have quoted strings.
13538 Ideally, this should be done by m4_quotearg.
13539
13540 * src/scan-skel.l: Include quotearg.h.
13541 Quote __ofile__.
13542 * src/output.c (symbol_printers_output)
13543 (symbol_destructors_output): Quote the file name.
13544
13545 2002-11-06 Akim Demaille <akim@epita.fr>
13546
13547 * tests/regression.at (Invalid inputs): Adjust to the recent
13548 messages.
13549
13550 2002-11-06 Akim Demaille <akim@epita.fr>
13551
13552 Restore --no-lines.
13553 Reported by Jim Kent.
13554
13555 * data/c.m4 (b4_syncline): New.
13556 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
13557 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
13558 * src/output.c (user_actions_output): Likewise.
13559 (prepare): Define 'b4_synclines_flag'.
13560 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
13561
13562 2002-11-06 Akim Demaille <akim@epita.fr>
13563
13564 * src/main.c (main): Free `infile'.
13565 * src/scan-gram.l (handle_syncline): New.
13566 Recognize `#line'.
13567 * src/output.c (user_actions_output, symbol_destructors_output)
13568 (symbol_printers_output): Use the location's file name, not
13569 infile.
13570 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13571
13572 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13573
13574 * src/tables.c (matching_state): Don't allow states to match if
13575 either has GLR conflict entries.
13576
13577 2002-11-05 Paul Eggert <eggert@twinsun.com>
13578
13579 * src/scan-gram.l: Use more accurate diagnostics, e.g.
13580 "integer out of range" rather than "invalid value".
13581 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
13582 accordingly.
13583
13584 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
13585 Also, remove one static variable in the scanner.
13586
13587 * src/scan-gram.l (braces_level): Now auto, not static.
13588 Initialize to zero if the compiler is being picky.
13589 (INITIAL): Clear braces_level instead of incrementing it.
13590 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
13591 as POSIX 1003.1-2001 requires.
13592 * src/system.h (IF_LINT): New macro, taken from coreutils.
13593 * configure.ac: Define "lint" if --enable-gcc-warnings.
13594
13595 2002-11-05 Akim Demaille <akim@epita.fr>
13596
13597 * src/scan-gram.l: When it starts with `%', complain about the
13598 whole directive, not just that `invalid character: %'.
13599
13600 2002-11-04 Akim Demaille <akim@epita.fr>
13601
13602 * Makefile.maint: Update from Autoconf.
13603 (update, cvs-update, po-update, do-po-update): New.
13604
13605 2002-11-04 Akim Demaille <akim@epita.fr>
13606
13607 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
13608 and yyerror.
13609 Have yyerror `use' its arguments.
13610 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
13611 returns true when location & yacc & pure & parse-param.
13612 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
13613
13614 2002-11-04 Akim Demaille <akim@epita.fr>
13615
13616 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
13617 clashes.
13618 * src/scan-gram.l: Use [\'] instead of ['] to pacify
13619 font-lock-mode.
13620 Use complain_at.
13621 Use quote, not quote_n since LOCATION_PRINT no longer uses the
13622 slot 0.
13623
13624 2002-11-03 Paul Eggert <eggert@twinsun.com>
13625
13626 * src/reader.c (get_merge_function, grammar_current_rule_check):
13627 Use consistent diagnostics for reporting type name clashes.
13628 Quote the types with <>, for consistency with Yacc.
13629 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
13630
13631 2002-11-03 Akim Demaille <akim@epita.fr>
13632
13633 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
13634 New.
13635 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
13636 (b4_parse_param): Remove.
13637 Use b4_identification.
13638 Propagate b4_pure_args where needed to pass them to yyerror.
13639 * data/glr.m4 (b4_parse_param): Remove.
13640 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
13641 (b4_lpure_formals): New.
13642 Use b4_identification.
13643 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
13644 b4_user_formals and b4_user_args.
13645 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
13646 (yyreportAmbiguity): When using a pure parser, also need
13647 the location, and the parse-params.
13648 Adjust callers.
13649 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
13650 When using a pure parser, also need the parse-params.
13651 Adjust callers.
13652 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
13653 (%pure-parser + %parse-param) LALR and GLR parsers.
13654 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
13655 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
13656 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
13657 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
13658 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
13659 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
13660 * doc/bison.texinfo: Untabify the whole file.
13661 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
13662 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
13663 (Error Reporting): Adjust to these new directives.
13664 Document %error-verbose, deprecate YYERROR_VERBOSE.
13665
13666 2002-11-03 Akim Demaille <akim@epita.fr>
13667
13668 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
13669 AT_CHECK_CALC_GLR invocations to use % directives, instead of
13670 command line options.
13671 * tests/cxx-type.at: Formatting changes.
13672
13673 2002-11-03 Paul Eggert <eggert@twinsun.com>
13674
13675 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
13676 to count columns correctly, and to check for invalid inputs.
13677
13678 Use mbsnwidth to count columns correctly. Account for tabs, too.
13679 Include mbswidth.h.
13680 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
13681 (extend_location): New function.
13682 (YY_LINES): Remove.
13683
13684 Handle CRLF in C code rather than in Lex code.
13685 (YY_INPUT): New macro.
13686 (no_cr_read): New function.
13687
13688 Scan UCNs, even though we don't fully handle them yet.
13689 (convert_ucn_to_byte): New function.
13690
13691 Handle backslash-newline correctly in C code.
13692 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
13693 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
13694 all uses changed.
13695 (tag, splice): New EREs. Do not allow NUL or newline in tags.
13696 Use {splice} wherever C allows backslash-newline.
13697 YY_STEP after space, newline, vertical-tab.
13698 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
13699
13700 (letter, id): Don't assume ASCII; e.g., spell out a-z.
13701
13702 ({int}, handle_action_dollar, handle_action_at): Check for integer
13703 overflow.
13704
13705 (YY_STEP): Omit trailing semicolon, so that it's more like C.
13706
13707 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
13708 as well as \000. Check for UCHAR_MAX, not 255.
13709 Allow \x with an arbitrary positive number of digits, as in C.
13710 Check for overflow here.
13711 Allow \? and UCNs, for compatibility with C.
13712
13713 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
13714 with quote slot used by complain_at.
13715
13716 * tests/input.at: Add tests for backslash-newline, m4 quotes
13717 in symbols, long literals, and funny escapes in strings.
13718
13719 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
13720 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
13721 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
13722 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
13723 * m4/mbswidth.m4: New file, from GNU coreutils.
13724
13725 * doc/bison.texinfo (Grammar Outline): Document // comments.
13726 (Symbols): Document that trigraphs have no special meaning in Bison,
13727 nor is backslash-newline allowed.
13728 (Actions): Document that trigraphs have no special meaning.
13729
13730 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
13731 no longer used.
13732
13733 2002-11-02 Paul Eggert <eggert@twinsun.com>
13734
13735 * src/reader.c: Don't include quote.h; not needed.
13736 (get_merge_function): Reword warning to be consistent with
13737 type clash diagnostic in grammar_current_rule_check.
13738
13739 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
13740 bug in trigraph handling.
13741
13742 * src/output.c (prepare_symbols): When printing token names,
13743 escape "[" as "@<:@" and likewise for "]".
13744
13745 * src/system.h (errno): Remove declaration, as we are now
13746 assuming C89 or better, and C89 guarantees errno.
13747
13748 2002-10-30 Paul Eggert <eggert@twinsun.com>
13749
13750 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
13751 Check for close failures.
13752 * src/files.h (xfclose): Return void, not int, since it always
13753 returned zero.
13754 * src/files.c (xfclose): Likewise. Report I/O error if ferror
13755 indicates one.
13756 * src/output.c (output_skeleton): Use xfclose rather than fclose
13757 and ferror. xfclose now checks ferror.
13758
13759 * data/glr.c (YYLEFTMOST_STATE): Remove.
13760 (yyreportTree): Use a stack-based leftmost state. This avoids
13761 our continuing battles with bogus warnings about initializers.
13762
13763 2002-10-30 Akim Demaille <akim@epita.fr>
13764
13765 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
13766 #if.
13767
13768 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13769
13770 * tests/glr-regr1.at: New test for reported regressions.
13771 * tests/testsuite.at: Add glr-regr1.at test.
13772 * tests/Makefile.am: Add glr-regr1.at test.
13773
13774 2002-10-24 Paul Eggert <eggert@twinsun.com>
13775
13776 Version 1.75a.
13777
13778 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
13779 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
13780 we use malloc. Don't assume 'A' through 'Z' are contiguous.
13781 Don't assume strdup exists; POSIX says its an XSI extension.
13782 Check for buffer overflow on input.
13783
13784 2002-10-24 Akim Demaille <akim@epita.fr>
13785
13786 * src/output.c (output_skeleton): Don't disable M4sugar comments
13787 too soon: it results in comments being expanded.
13788 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
13789 first output.
13790
13791 2002-10-24 Akim Demaille <akim@epita.fr>
13792
13793 * data/yacc.c (m4_int_type): New.
13794 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
13795 char' as only yacc.c wants K&R portability.
13796 * data/glr.c (yysigned_char): Remove.
13797 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
13798 Reported by Quoc Peyrot.
13799
13800 2002-10-23 Paul Eggert <eggert@twinsun.com>
13801
13802 * src/main.c (main): With --trace=time, report times even if a
13803 non-fatal error occurs. Formerly, the times were reported in some
13804 such cases but not in others.
13805 * src/reader.c (reader): Just return if a complaint has been issued,
13806 instead of exiting, so that 'main' can report times.
13807
13808 2002-10-22 Akim Demaille <akim@epita.fr>
13809
13810 * src/system.h: Include sys/types.
13811 Reported by Bert Deknuydt.
13812
13813 2002-10-23 Paul Eggert <eggert@twinsun.com>
13814
13815 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
13816 Suggested by Art Haas.
13817
13818 2002-10-22 Paul Eggert <eggert@twinsun.com>
13819
13820 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
13821 decl; not needed any more.
13822 * src/main.c (main): Use return to exit, undoing yesterday's change.
13823 The last OS that we could find where this wouldn't work is
13824 SunOS 3.5, and that's too old to worry about now.
13825
13826 * data/glr.c (struct yyltype): Define members even when not
13827 doing locations. This is more consistent with yacc.c, and it
13828 works around the following bug reports:
13829 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
13830 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
13831
13832 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
13833 @acronym consistently. Standardize on "Yacc" instead of "YACC",
13834 "Algol" instead of "ALGOL". Give a bit more history about BNF.
13835
13836 2002-10-22 Akim Demaille <akim@epita.fr>
13837
13838 * data/README: New.
13839
13840 2002-10-21 Paul Eggert <eggert@twinsun.com>
13841
13842 Be consistent about 'bool'; the old code used an enum in one
13843 module and an int in another, and this violates the C standard.
13844 * m4/stdbool.m4: New file, from coreutils 4.5.3.
13845 * configure.ac (AC_HEADER_STDBOOL): Add.
13846 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
13847 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
13848 * src/symtab.c (hash_compare_symbol_t): Likewise.
13849 * src/system.h (bool, false, true): Use a definition consistent
13850 with ../lib/hash.c. All uses changed.
13851
13852 * src/complain.c (warning_issued): Renamed from warn_message_count,
13853 so that we needn't worry about integer overflow (!).
13854 Now of type bool. All uses changed.
13855 (complaint_issued): Renamed from complain_message_count; likewise.
13856
13857 * src/main.c (main): Use exit to exit with failure.
13858
13859 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
13860 rather than 1 and 0.
13861 * src/main.c (main): Likewise.
13862 * src/getargs.c (getargs): Likewise.
13863 * src/reader.c (reader): Likewise.
13864
13865 * src/getarg.c (getargs): Remove duplicate code for
13866 "Try `bison --help'".
13867
13868 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
13869 What was that "2" for?
13870
13871 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
13872 * src/getargs.c (usage): Likewise.
13873
13874 * src/getargs.c (getargs): When there are too few operands, report
13875 the last one. When there are too many, report the first extra
13876 one. This is how diffutils does it.
13877
13878 2002-10-20 Paul Eggert <eggert@twinsun.com>
13879
13880 Remove K&R vestiges.
13881 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
13882 * src/complain.c (VA_START): Remove. Assume prototypes.
13883 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
13884 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
13885 fatal): Assume prototypes.
13886 * src/complain.h: Assume prototypes.
13887 * src/system.h (PARAMS): Remove.
13888 Include <limits.h> unconditionally, since it's guaranteeed even
13889 for a freestanding C89 compiler.
13890 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
13891 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
13892
13893 2002-10-20 Akim Demaille <akim@epita.fr>
13894
13895 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
13896 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
13897 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
13898 (yyresolveStates, yyresolveAction, yyresolveStack)
13899 (yyprocessOneStack): Use them.
13900 (yy_reduce_print): New.
13901 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
13902
13903 2002-10-20 Akim Demaille <akim@epita.fr>
13904
13905 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
13906 arguments and output `void'.
13907 (b4_c_function): Rename as...
13908 (b4_c_function_def): this.
13909 (b4_c_function_decl, b4_c_ansi_function_def)
13910 (b4_c_ansi_function_decl): New.
13911 Change the interpretation of the arguments: before `int, foo', now
13912 `int foo, foo'.
13913 * data/yacc.c (yyparse): Prototype and define thanks to these.
13914 Adjust b4_c_function_def uses.
13915 * data/glr.c (yyparse): Likewise, but ANSI only.
13916
13917 2002-10-20 Akim Demaille <akim@epita.fr>
13918
13919 * src/output.c (prepare): Move the definition of `tokens_number',
13920 `nterms_number', `undef_token_number', `user_token_number_max'
13921 to...
13922 (prepare_tokens): Here.
13923 (prepare_tokens): Rename as...
13924 (prepare_symbols): this.
13925 (prepare): Move the definition of `rules_number' to...
13926 (prepare_rules): here.
13927 (prepare): Move the definition of `last', `final_state_number',
13928 `states_number' to...
13929 (prepare_states): here.
13930 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
13931
13932 2002-10-20 Akim Demaille <akim@epita.fr>
13933
13934 * src/tables.h, src/tables.c, src/output.c: Comment changes.
13935
13936 2002-10-20 Akim Demaille <akim@epita.fr>
13937
13938 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
13939 * data/c.m4: here.
13940
13941 2002-10-20 Akim Demaille <akim@epita.fr>
13942
13943 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
13944 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
13945 `pair'.
13946 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
13947 `name' to...
13948 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
13949 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
13950 These.
13951
13952 2002-10-19 Paul Eggert <eggert@twinsun.com>
13953
13954 Do not create a temporary file, as that involves security and
13955 cleanup headaches. Instead, use a pair of pipes.
13956 Derived from a suggestion by Florian Krohm.
13957 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
13958 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
13959 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
13960 (BISON_PREREQ_SUBPIPE): Add.
13961 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
13962 Add subpipe.h, subpipe.c.
13963 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
13964 * po/POTFILES.in: Add lib/subpipe.c.
13965 * src/output.c: Include "subpipe.h".
13966 (m4_invoke): Remove decl.
13967 (scan_skel): New decl.
13968 (output_skeleton): Use pipe rather than temporary file for m4 input.
13969 Check that m4sugar.m4 is readable, to avoid deadlock.
13970 Check for pipe I/O error.
13971 * src/scan-skel.l (readpipe): Remove decl.
13972 (scan_skel): New function, to be used in place of m4_invoke.
13973 Read from stream rather than file.
13974
13975 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
13976 float, as this generates a warning on Solaris 8 + GCC 3.2 with
13977 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
13978 this generates a more-accurate value anyway.
13979
13980 * lib/timevar.c (timervar_accumulate): Rename locals to
13981 avoid confusion with similarly-named more-global.
13982 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
13983
13984 * src/output.c (prepare): Use xstrdup to convert char const *
13985 to char *, to avoid GCC warning.
13986
13987 2002-10-19 Akim Demaille <akim@epita.fr>
13988
13989 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
13990 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
13991 Use them to have `calc.y' ready for %pure-parser.
13992 * data/yacc.c (YYLEX): Pass a yylex return type to
13993 b4_c_function_call.
13994
13995 2002-10-19 Akim Demaille <akim@epita.fr>
13996
13997 Prototype support of %lex-param and %parse-param.
13998
13999 * src/parse-gram.y: Add the definition of the %lex-param and
14000 %parse-param tokens, plus their rules.
14001 Drop the `_' version of %glr-parser.
14002 Add the "," token.
14003 * src/scan-gram.l (INITIAL): Scan them.
14004 * src/muscle_tab.c: Comment changes.
14005 (muscle_insert, muscle_find): Rename `pair' as `probe'.
14006 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
14007 (muscle_entry_s): The `value' member is no longer const.
14008 Adjust all dependencies.
14009 * src/muscle_tab.c (muscle_init): Adjust: use
14010 MUSCLE_INSERT_STRING.
14011 Initialize the obstack earlier.
14012 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
14013 (muscle_pair_list_grow): New.
14014 * data/c.m4 (b4_c_function_call, b4_c_args): New.
14015 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
14016 * tests/calc.at: Use %locations, not --locations.
14017 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
14018
14019 2002-10-19 Akim Demaille <akim@epita.fr>
14020
14021 * src/getargs.c (usage): Take status as argument and exit
14022 accordingly.
14023 Report the traditional `Try ... --help' message when status != 0.
14024 (usage, version): Don't take a FILE * as arg, it is pointless.
14025 (getargs): When there is an incorrect number of arguments, make it
14026 an error, and report it GNUlically thanks to `usage ()'.
14027
14028 2002-10-18 Paul Eggert <eggert@twinsun.com>
14029
14030 * data/glr.c (yyreportParseError): Don't assume that sprintf
14031 yields the length of the printed string, as this is not true
14032 on SunOS 4.1.4. Reported by Peter Klein.
14033
14034 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
14035 * tests/conflicts.at (%nonassoc and eof): Likewise.
14036 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
14037
14038 2002-10-17 Akim Demaille <akim@epita.fr>
14039
14040 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
14041 * src/getargs.c (trace_types, trace_args): Adjust.
14042 * src/reader.c (grammar_current_rule_prec_set)
14043 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
14044 Standardize error messages.
14045 And s/@prec/%prec/!
14046 (reader): Use trace_flag to enable scanner/parser debugging,
14047 instead of an adhoc scheme.
14048 * src/scan-gram.l: Remove trailing debugging code.
14049
14050 2002-10-16 Paul Eggert <eggert@twinsun.com>
14051
14052 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
14053 MUSCLE_TAB_H.
14054
14055 * NEWS: Officially drop support for building Bison with K&R C,
14056 since it didn't work anyway and it's not worth worrying about.
14057 * Makefile.maint (wget_files): Remove ansi2knr.c.
14058 (ansi2knr.c-url_prefix): Remove.
14059 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
14060 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14061 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14062
14063 2002-10-15 Paul Eggert <eggert@twinsun.com>
14064
14065 Stop using the "enum_" trick for K&R-style function definitions;
14066 it confused me, and I was the author! Instead, assume that people
14067 who want to use K&R C compilers (when using these modules in GCC,
14068 perhaps?) will run ansi2knr.
14069
14070 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
14071 All uses of "enum_" changed to "enum ".
14072 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14073 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14074
14075 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
14076 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
14077 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
14078 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
14079 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
14080 abitset_not, abitset_ones, abitset_or, abitset_or_and,
14081 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
14082 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
14083 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
14084 Use function prototypes; this removes the need for declaring
14085 static functions simply to provide their prototypes.
14086 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
14087 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
14088 bitset_count_, bitset_create, bitset_dump, bitset_first,
14089 bitset_free, bitset_init, bitset_last, bitset_next,
14090 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
14091 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
14092 bitset_print, bitset_release_memory, bitset_toggle_,
14093 bitset_type_choose, bitset_type_get, bitset_type_name_get,
14094 debug_bitset): Likewise.
14095 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
14096 * lib/bitset_stats.c (bitset_log_histogram_print,
14097 bitset_percent_histogram_print, bitset_stats_and,
14098 bitset_stats_and_cmp, bitset_stats_and_or,
14099 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
14100 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
14101 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
14102 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
14103 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
14104 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
14105 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
14106 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
14107 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
14108 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
14109 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
14110 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
14111 bitset_stats_zero): Likewise.
14112 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14113 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14114 bitsetv_dump, debug_bitsetv): Likewise.
14115 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
14116 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
14117 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
14118 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
14119 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
14120 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
14121 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
14122 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
14123 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
14124 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
14125 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
14126 Likewise.
14127 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
14128 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
14129 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
14130 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
14131 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
14132 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
14133 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
14134 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
14135 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
14136 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
14137 lbitset_xor_cmp, lbitset_zero): Likewise.
14138
14139 2002-10-14 Akim Demaille <akim@epita.fr>
14140
14141 Version 1.75.
14142
14143 2002-10-14 Akim Demaille <akim@epita.fr>
14144
14145 * tests/Makefile.am (maintainer-check-posix): New.
14146
14147 2002-10-14 Akim Demaille <akim@epita.fr>
14148
14149 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
14150 member.
14151
14152 2002-10-14 Akim Demaille <akim@epita.fr>
14153
14154 * src/tables.c (table_ninf_remap): base -> tab.
14155 Reported by Matt Rosing.
14156
14157 2002-10-14 Paul Eggert <eggert@twinsun.com>
14158
14159 * tests/action.at, tests/calc.at, tests/conflicts.at,
14160 tests/cxx-type.at, tests/headers.at, tests/input.at,
14161 tests/regression.at, tests/synclines.at, tests/torture.at:
14162 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
14163 so that the tests still work even if POSIXLY_CORRECT is set.
14164 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
14165
14166 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
14167 for portability to K&R hosts. Fix typo: signed char is guaranteed
14168 only to 127, not to 128.
14169 * data/glr.c (yysigned_char): New type.
14170 * data/yacc.c (yysigned_char): Likewise.
14171 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
14172
14173 2002-10-13 Paul Eggert <eggert@twinsun.com>
14174
14175 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
14176 true due to limited range of data type" warning from GCC.
14177
14178 * data/c.m4 (b4_token_defines): Protect against double-inclusion
14179 by wrapping enum yytokentype's definition inside #ifndef
14180 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
14181
14182 2002-10-13 Akim Demaille <akim@epita.fr>
14183
14184 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
14185 Un yy- yyrhs to avoid the name clash with the global YYRHS.
14186
14187 2002-10-13 Akim Demaille <akim@epita.fr>
14188
14189 * Makefile.maint: Update from Autoconf 2.54.
14190 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
14191
14192 2002-10-13 Akim Demaille <akim@epita.fr>
14193
14194 * src/print.c (print_state): Separate the list of solved conflicts
14195 from the other items.
14196 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
14197
14198 2002-10-13 Akim Demaille <akim@epita.fr>
14199
14200 Let nondeterministic skeletons be usable with deterministic
14201 tables.
14202
14203 With the patch, GAWK compiled by GCC without -O2 passes its test
14204 suite using a GLR parser driven by LALR tables. It fails with -O2
14205 because `struct stat' gives two different answers on my machine:
14206 88 (definition of an auto var) and later 96 (memset on this var).
14207 Hence the stack is badly corrumpted. The headers inclusion is to
14208 blame: if I move the awk.h inclusion before GLR's system header
14209 inclusion, the two struct stat have the same size.
14210
14211 * src/tables.c (pack_table): Always create conflict_table.
14212 (token_actions): Always create conflict_list.
14213 * data/glr.c (YYFLAG): Remove, unused.
14214
14215 2002-10-13 Akim Demaille <akim@epita.fr>
14216
14217 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
14218 (O0FLAGS): New.
14219 (VALGRIND, GXX): New.
14220 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
14221 * tests/bison.in: Run $PREBISON a pre-command.
14222 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
14223 (maintainer-check-g++): New.
14224 * Makefile.am (maintainer-check): New.
14225
14226 2002-10-13 Akim Demaille <akim@epita.fr>
14227
14228 * data/glr.c: Formatting changes.
14229 Tweak some trace messages to match yacc.c's.
14230
14231 2002-10-13 Akim Demaille <akim@epita.fr>
14232
14233 GLR parsers sometimes raise parse errors instead of performing the
14234 default reduction.
14235 Reported by Charles-Henry de Boysson.
14236
14237 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
14238 check the length of the traces when %glr.
14239 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
14240 GLR's traces.
14241 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
14242 Test GLR parsers.
14243 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
14244 (yyltype): Remove the yy prefix from the member names.
14245 (yytable): Complete its comment.
14246 (yygetLRActions): Map error action number from YYTABLE from
14247 YYTABLE_NINF to 0.
14248 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
14249 (which was a bug: it should have been YYTABEL_NINF, and yet it was
14250 not satisfying as we could compare an YYACTION computed from
14251 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
14252 only value for error actions.
14253 (yyreportParseError): In verbose parse error messages, don't issue
14254 `error' in the list of expected tokens.
14255 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
14256 next action to perform to match glr.c's decoding.
14257 (yytable): Complete its comment.
14258
14259 2002-10-13 Paul Eggert <eggert@twinsun.com>
14260
14261 Fix problem reported by Henrik Grubbstroem in
14262 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
14263 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
14264 because the Bison parser reads the second action before reducing
14265 the first one.
14266 * src/scan-gram.l (rule_length): New static var.
14267 Use it to keep track of the rule length in the scanner, since
14268 we can't expect the parser to be in lock-step sync with the scanner.
14269 (handle_action_dollar, handle_action_at): Use this var.
14270 * tests/actions.at (Exotic Dollars): Test for the problem.
14271
14272 2002-10-12 Paul Eggert <eggert@twinsun.com>
14273
14274 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
14275 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
14276 Include <sys/time.h> when checking for clock_t and struct tms.
14277 Use same include order as source.
14278 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
14279 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
14280
14281 * lib/timevar.c: Update copyright date and clarify comments.
14282 (get_time) [IN_GCC]: Keep the GCC version for reference.
14283
14284 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
14285 GCC version as of today, then merge Bison's changes.
14286 Change "GCC" to "Bison" in copyright notice. timevar.def's
14287 author is Akim, so change that too.
14288
14289 * src/reader.c (grammar_current_rule_check):
14290 Don't worry about the default action if $$ is untyped.
14291 Prevents bogus warnings reported by Jim Gifford in
14292 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
14293
14294 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
14295 * data/glr.c, data/lalr1.cc, data/yacc.c:
14296 Output token definitions before the first part of user declarations.
14297 Fixes compatibility problem reported by Jim Gifford for kbd in
14298 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
14299
14300 2002-10-11 Paul Eggert <eggert@twinsun.com>
14301
14302 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
14303 (yyparse): here. This undoes some of the 2002-07-25 change.
14304 Compatibility problem reported by Ralf S. Engelschall with
14305 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
14306
14307 2002-10-11 Akim Demaille <akim@epita.fr>
14308
14309 * tests/regression.at Characters Escapes): New.
14310 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
14311 characters.
14312 Reported by Jan Nieuwenhuizen.
14313
14314 2002-10-11 Akim Demaille <akim@epita.fr>
14315
14316 * po/id.po: New.
14317
14318 2002-10-10 Paul Eggert <eggert@twinsun.com>
14319
14320 Portability fixes for bitsets; this also avoids several GCC
14321 warnings.
14322
14323 * lib/abitset.c: Include <stddef.h>, for offsetof.
14324 * lib/lbitset.c: Likewise.
14325
14326 * lib/abitset.c (abitset_bytes): Return a size that is aligned
14327 properly for vectors of objects. Do not assume that adding a
14328 header size to a multiple of a word size yields a value that is
14329 properly aligned for the whole union.
14330 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14331
14332 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
14333 unique names for structures.
14334 * lib/ebitset.c (ebitset_bytes): Likewise.
14335 * lib/lbitset.c (lbitset_bytes): Likewise.
14336
14337 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
14338 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
14339 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
14340 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
14341 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
14342 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
14343 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
14344 to improve the type-checking that GCC can do.
14345 * lib/bitset.c (bitset_op4_cmp): Likewise.
14346 * lib/bitset_stats.c (bitset_stats_count,
14347 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
14348 bitset_stats_copy, bitset_stats_disjoint_p,
14349 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
14350 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
14351 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
14352 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
14353 bitset_stats_and_or_cmp, bitset_stats_andn_or,
14354 bitset_stats_andn_or_cmp, bitset_stats_or_and,
14355 bitset_stats_or_and_cmp): Likewise.
14356 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
14357 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
14358 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
14359 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
14360
14361 * lib/abitset.h: Include bitset.h, not bbitset.h.
14362 * lib/ebitset.h: Likewise.
14363 * lib/lbitset.h: Likewise.
14364
14365 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
14366 All instances of parameters of type enum bitset_opts are now of
14367 type enum_bitset_opts, to conform to the C Standard, and similarly
14368 for enum_bitset_type.
14369 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14370 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14371
14372 Do not use "struct bitset_struct" to mean different things in
14373 different modules. Not only is this confusing, it violates
14374 the C Standard, which requires that structure types in different
14375 modules must be compatible if one is to be passed to the other.
14376 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
14377 All instances of "struct bitset_struct *" replaced with "bitset".
14378 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
14379 (union bitset_union, struct abitset_struct, struct ebitset_struct,
14380 struct lbitset_struct, struct bitset_stats_struct): New types.
14381 All uses of struct bitset_struct changed to union bitset_union,
14382 etc.
14383 * lib/abitset.c (struct abitset_struct, abitset,
14384 struct bitset_struct): Remove.
14385 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
14386 struct bitset_struct): Remove.
14387 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
14388 bitset_struct): Remove.
14389 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
14390 Likewise.
14391
14392 Do not call a function of type T using a call that assumes the
14393 function is of a different type U. Standard C requires that a
14394 function must be called with a type that is compatible with its
14395 definition.
14396 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14397 New decls.
14398 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14399 New functions.
14400 * lib/ebitset.c (PFV): Remove.
14401 * lib/lbitset.c (PFV): Likewise.
14402 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
14403 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
14404 decls.
14405 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
14406 (ebitset_vtable): Use them.
14407 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
14408 lbitset_xor): New functions.
14409 (lbitset_vtable): Use them.
14410
14411 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
14412 Declare.
14413
14414 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
14415 GCC warning.
14416 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
14417 Use offsetof, for simplicity.
14418
14419 2002-10-06 Paul Eggert <eggert@twinsun.com>
14420
14421 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
14422 the same width as int. This reapplies a hunk of the 2002-08-12 patch
14423 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
14424 which was inadvertently undone by the 2002-09-30 patch.
14425 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
14426 the same width as int.
14427
14428 2002-10-04 Paul Eggert <eggert@twinsun.com>
14429
14430 Version 1.50.
14431
14432 * configure.ac (AC_INIT), NEWS: Increment version number.
14433
14434 * doc/bison.texinfo: Minor spelling, grammar, and white space
14435 fixes.
14436 (Symbols): Mention that any negative value returned from yylex
14437 signifies end-of-input. Warn about negative chars. Mention
14438 the portable Standard C character set.
14439
14440 The GNU coding standard says CFLAGS and YFLAGS are reserved
14441 for the installer to set.
14442 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
14443 * src/Makefile.am (AM_CFLAGS): Likewise.
14444 (AM_YFLAGS): Renamed from YFLAGS.
14445
14446 Fix some MAX and MIN problems.
14447 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
14448 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
14449 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
14450 * src/reader.c (reader): Use it.
14451
14452 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
14453 POSIX 1003.1-2001 has removed fgrep.
14454
14455 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14456
14457 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
14458 interpreted as signed.
14459 * lib/ebitset.c (ebitset_list): Fix bug.
14460
14461 2002-10-01 Paul Eggert <eggert@twinsun.com>
14462
14463 More fixes for 64-bit hosts and large bitsets.
14464
14465 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
14466 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
14467 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
14468 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
14469 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
14470 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
14471 bitset_count_): Likewise.
14472 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
14473 bitset_first, bitset_last): Likewise.
14474 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
14475 bitset_stats_list_reverse, bitset_stats_size,
14476 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
14477 Likewise.
14478 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14479 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14480 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14481 bitsetv_reflexive_transitive_closure): Likewise.
14482 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
14483 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
14484 Likewise.
14485 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
14486 Likewise.
14487
14488 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
14489 Use size_t, not unsigned int, to count bytes.
14490 * lib/abitset.h (abitset_bytes): Likewise.
14491 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
14492 Likewise.
14493 * lib/bitset.h (bitset_bytes): Likewise.
14494 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
14495 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
14496 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14497 * lib/ebitset.c (ebitset_bytes): Likewise.
14498 * lib/ebitset.h (ebitset_bytes): Likewise.
14499 * lib/lbitset.c (lbitset_bytes): Likewise.
14500 * lib/lbitset.h (lbitset_bytes): Likewise.
14501
14502 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
14503 abitset_subset_p, abitset_disjoint_p, abitset_and,
14504 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
14505 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
14506 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
14507 abitset_or_and, abitset_or_and_cmp):
14508 Use bitset_windex instead of unsigned int.
14509 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14510 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
14511 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
14512 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
14513 Likewise.
14514 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
14515
14516 * lib/bitset.c (bitset_print):
14517 Use proper printf formats for widths of integer types.
14518 * lib/bitset_stats.c (bitset_percent_histogram_print,
14519 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
14520 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14521 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14522 * lib/lbitset.c (lbitset_bytes): Likewise.
14523
14524 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
14525 BITSET_SIZE_MAX): New macros.
14526 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
14527 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
14528 to BITSET_WINDEX_MAX.
14529
14530 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
14531 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
14532 since we now return the bitset_bindex type (not int).
14533
14534 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
14535 when computing sizes.
14536 * lib/ebitset.c (ebitset_elts_grow): Likewise.
14537
14538 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
14539 and avoid cast to unsigned.
14540
14541 2002-09-30 Akim Demaille <akim@epita.fr>
14542
14543 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14544 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
14545 Updates from Michael Hayes.
14546
14547 2002-09-30 Art Haas <ahaas@neosoft.com>
14548
14549 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
14550 invocations.
14551 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
14552 defined.
14553
14554 2002-09-27 Akim Demaille <akim@epita.fr>
14555
14556 Version 1.49c.
14557
14558 2002-09-27 Akim Demaille <akim@epita.fr>
14559
14560 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
14561 (Because of AC_LIBSOURCE).
14562
14563 2002-09-27 Akim Demaille <akim@epita.fr>
14564
14565 Playing with Autoscan.
14566
14567 * configure.ac: Remove the old LIBOBJ tweaks.
14568 (AC_REPLACE_FUNCS): Add strrchr and strtol.
14569 * lib/strrchr.c: New.
14570 * lib/strtol.c: New, from the Coreutils 4.5.1.
14571
14572 2002-09-27 Akim Demaille <akim@epita.fr>
14573
14574 Playing with Autoscan.
14575
14576 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
14577 * lib/Makefile.am (libbison_a_SOURCES): No longer include
14578 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
14579 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
14580 Coreutils 4.5.1.
14581
14582 2002-09-24 Akim Demaille <akim@epita.fr>
14583
14584 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
14585 (Frequently Asked Questions, Parser Stack Overflow): New.
14586
14587 2002-09-13 Akim Demaille <akim@epita.fr>
14588
14589 Playing with autoscan.
14590
14591 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
14592 * src/files.c (skeleton_find): Remove, unused.
14593 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
14594 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
14595
14596 2002-09-13 Akim Demaille <akim@epita.fr>
14597
14598 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
14599 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
14600
14601 2002-09-13 Akim Demaille <akim@epita.fr>
14602
14603 * configure.ac: Require 2.54.
14604 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
14605 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
14606 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
14607 Remove, provided by Autoconf macros.
14608
14609 2002-09-12 Akim Demaille <akim@epita.fr>
14610
14611 * m4/prereq.m4: Update, from Coreutils 4.5.1.
14612
14613 2002-09-12 Akim Demaille <akim@epita.fr>
14614
14615 * m4/prereq.m4: Update, from Fileutils 4.1.5.
14616 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
14617 Reported by Martin Mokrejs.
14618
14619 2002-09-10 Akim Demaille <akim@epita.fr>
14620
14621 * src/parse-gram.y: Associate a human readable string to each
14622 token type.
14623 * tests/regression.at (Invalid inputs): Adjust.
14624
14625 2002-09-10 Gary V. Vaughan <gary@gnu.org>
14626
14627 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
14628 with an Autoconf-2.5x style configure.ac.
14629
14630 2002-09-06 Paul Eggert <eggert@twinsun.com>
14631
14632 * doc/bison.texinfo (Conditions): Make explicit that the GPL
14633 exception applies only to yacc.c. This is a modification of a
14634 patch originally suggested by Akim Demaille.
14635
14636 2002-09-06 Akim Demaille <akim@epita.fr>
14637
14638 * data/c.m4 (b4_copyright): Move the GPL exception comment from
14639 here to...
14640 * data/yacc.c: here.
14641
14642 * data/lalr1.cc (struct yyltype): Don't define it, since we use
14643 LocationType.
14644 (b4_ltype): Default to yy::Location from location.hh.
14645
14646 2002-09-04 Jim Meyering <jim@meyering.net>
14647
14648 * data/yacc.c: Guard the declaration of yytoknum also with
14649 `#ifdef YYPRINT', so it is declared only when used.
14650
14651 2002-09-04 Akim Demaille <akim@epita.fr>
14652
14653 * configure.in: Rename as...
14654 * configure.ac: this.
14655 Bump to 1.49c.
14656
14657 2002-09-04 Akim Demaille <akim@epita.fr>
14658
14659 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
14660 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
14661 translate maintainer only messages.
14662
14663 2002-08-12 Paul Eggert <eggert@twinsun.com>
14664
14665 Version 1.49b.
14666
14667 * Makefile.am (SUBDIRS): Remove intl.
14668 (DISTCLEANFILES): Remove.
14669 * NEWS: Mention that GNU M4 is now required. Clarify what is
14670 meant by "larger grammars". Mention the pt_BR translation.
14671 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
14672 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
14673 Bump version from 0.11.2 to 0.11.5.
14674 (BISON_PREREQ_STAGE): Remove.
14675 (AM_GNU_GETTEXT): Use external gettext.
14676 (AC_OUTPUT): Remove intl/Makefile.
14677
14678 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
14679
14680 * data/glr.c: Include string.h, for strlen.
14681 (yyreportParseError): Use size_t for yysize.
14682 (yy_yypstack): No longer nested inside yypstates, as nested
14683 functions are not portable. Do not assume size_t is the
14684 same width as int.
14685 (yypstates): Do not assume that ptrdiff_t is the same width
14686 as int, and similarly for yyposn and YYINDEX.
14687
14688 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
14689
14690 * lib/Makefile.am (INCLUDES): Do not include from the intl
14691 directory, which has been removed.
14692 * src/Makefile.am (INCLUDES): Likewise.
14693
14694 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
14695 (bitsets_sources, additional_bitsets_sources, timevars_sources):
14696 New vars.
14697
14698 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
14699 * tests/Makefile.am (EXTRA_DIST): Likewise.
14700
14701 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
14702 Do not assume that bitset_windex is the same width as unsigned.
14703
14704 * lib/abitset.c (abitset_unused_clear): Do not assume that
14705 bitset_word is the same width as int.
14706 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
14707 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
14708 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
14709 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
14710 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
14711
14712 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
14713 portability to one's complement hosts!).
14714 * lib/ebitset.c (ebitset_op1): Likewise.
14715 * lib/lbitset.c (lbitset_op1): Likewise.
14716
14717 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
14718 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
14719 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
14720 Sync with fileutils.
14721 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
14722 lib/gettext.h: Sync with diffutils.
14723
14724 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
14725 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
14726
14727 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
14728 PROTOTYPES to check for prototypes, and "defined __STDC__" to
14729 check for void *.
14730
14731 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
14732 size_t; the old version tried to do this but casted improperly.
14733 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
14734 (bitset_test): Now returns int, not unsigned long.
14735
14736 * lib/bitset_stats.c: Include "gettext.h".
14737 (_): New macro.
14738 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
14739 name locals "index", as it generates unnecessary warnings on some
14740 hosts that have an "index" function.
14741
14742 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
14743 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
14744 they need translation.
14745 * src/LR0.c (state_list_append, new_itemsets, get_state,
14746 append_states, generate_states): Likewise.
14747 * src/assoc.c (assoc_to_string): Likewise.
14748 * src/closure.c (print_closure, set_firsts, closure): Likewise.
14749 * src/gram.c (grammar_dump): Likewise.
14750 * src/injections.c (injections_compute): Likewise.
14751 * src/lalr.c (lookaheads_print): Likewise.
14752 * src/relation.c (relation_transpose): Likewise.
14753 * src/scan-gram.l: Likewise.
14754 * src/tables.c (table_grow, pack_vector): Likewise.
14755
14756 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
14757 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
14758 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
14759 * m4/mbstate_t.m4: Sync with fileutils.
14760 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
14761
14762 * po/LINGUAS: Add pt_BR.
14763 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
14764 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
14765 lib/timevar.c.
14766 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
14767 manual recommends.
14768 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
14769
14770 * src/complain.c (strerror_r): Remove decl; not needed.
14771 (strerror): Use same pattern as ../lib/error.c.
14772
14773 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
14774
14775 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
14776
14777 * src/main.c (main): Cast result of bindtextdomain and textdomain
14778 to void, to avoid a GCC warning when --disable-nls is in effect.
14779
14780 * src/scan-gram.l: Use strings rather than escapes when possible,
14781 to minimize the number of warnings from xgettext.
14782 (handle_action_dollar, handle_action_at): Don't use isdigit,
14783 as it mishandles negative chars and it may not work as expected
14784 outside the C locale.
14785
14786 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
14787 this is a GCC extension and is not portable to other compilers.
14788
14789 * src/system.h (alloca): Use same pattern as ../lib/error.c.
14790 Do not include <ctype.h>; no longer needed.
14791 Do not include <malloc.h>; no longer needed (and generates
14792 warnings on OpenBSD 3.0).
14793
14794 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
14795 it's not portable.
14796
14797 * tests/regression.at: Do not use 'cc -c input.c -o input';
14798 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
14799
14800 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
14801 exit status as failure, not just exit status 1. Sun C exits
14802 with status 2 sometimes.
14803
14804 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
14805 Use it for the two large tests.
14806
14807 2002-08-02 Akim Demaille <akim@epita.fr>
14808
14809 * src/conflicts.c (conflicts_output): Don't output rules never
14810 reduced here, since anyway that computation doesn't work.
14811 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
14812 (rule_useless_p, rule_never_reduced_p): New.
14813 (grammar_rules_partial_print): Use a filter instead of a range.
14814 Display the title only if needed.
14815 (grammar_rules_print): Adjust.
14816 (grammar_rules_never_reduced_report): New.
14817 * src/tables.c (action_row): Move the computation of rules never
14818 reduced to...
14819 (token_actions): here.
14820 * src/main.c (main): Make the parser before making the report, so
14821 that rules never reduced are computed.
14822 Call grammar_rules_never_reduced_report.
14823 * src/print.c (print_results): Report rules never reduced.
14824 * tests/conflicts.at, tests/reduce.at: Adjust.
14825
14826 2002-08-01 Akim Demaille <akim@epita.fr>
14827
14828 Instead of attaching lookaheads and duplicating the rules being
14829 reduced by a state, attach the lookaheads to the reductions.
14830
14831 * src/state.h (state_t): Remove the `lookaheads',
14832 `lookaheads_rule' member.
14833 (reductions_t): Add a `lookaheads' member.
14834 Use a regular array for the `rules'.
14835 * src/state.c (reductions_new): Initialize the lookaheads member
14836 to 0.
14837 (state_rule_lookaheads_print): Adjust.
14838 * src/state.h, src/state.c (state_reductions_find): New.
14839 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
14840 (count_rr_conflicts): Adjust.
14841 * src/lalr.c (LArule): Remove.
14842 (add_lookback_edge): Adjust.
14843 (state_lookaheads_count): New.
14844 (states_lookaheads_initialize): Merge into...
14845 (initialize_LA): this.
14846 (lalr_free): Adjust.
14847 * src/main.c (main): Don't free nullable and derives too early: it
14848 is used by --verbose.
14849 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
14850
14851 2002-08-01 Akim Demaille <akim@epita.fr>
14852
14853 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
14854 `rule_number_t**'.
14855 (set_derives, free_derives): Rename as...
14856 (derives_compute, derives_free): this.
14857 Adjust all dependencies.
14858 * src/nullable.c (set_nullable, free_nullable): Rename as...
14859 (nullable_compute, nullable_free): these.
14860 (rule_list_t): Store rule_t *, not rule_number_t.
14861 * src/state.c (state_rule_lookaheads_print): Directly compare rule
14862 pointers, instead of their numbers.
14863 * src/main.c (main): Call nullable_free, and derives_free earlier,
14864 as they were lo longer used.
14865
14866 2002-08-01 Akim Demaille <akim@epita.fr>
14867
14868 * lib/timevar.c (get_time): Include children time.
14869 * src/lalr.h (LA, LArule): Don't export them: used with the
14870 state_t.
14871 * src/lalr.c (LA, LArule): Static.
14872 * src/lalr.h, src/lalr.c (lalr_free): New.
14873 * src/main.c (main): Call it.
14874 * src/tables.c (pack_vector): Check whether loc is >= to the
14875 table_size, not >.
14876 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
14877 (tables_generate): do it, since that's also it which allocates
14878 them.
14879 Don't free LA and LArule, main does.
14880
14881 2002-07-31 Akim Demaille <akim@epita.fr>
14882
14883 Separate parser tables computation and output.
14884
14885 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
14886 (conflict_list, conflict_list_cnt, table, check, table_ninf)
14887 (yydefgoto, yydefact, high): Move to...
14888 * src/tables.h, src/tables.c: here.
14889 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
14890 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
14891 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
14892 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
14893 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
14894 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
14895 (action_row, save_row, token_actions, save_column, default_goto)
14896 (goto_actions, sort_actions, matching_state, pack_vector)
14897 (table_ninf_remap, pack_table, prepare_actions): Move to...
14898 * src/tables.c: here.
14899 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
14900 * src/output.c (token_actions, output_base, output_conflicts)
14901 (output_check): Merge into...
14902 (prepare_actions): this.
14903 (actions_output): Rename as...
14904 (user_actions_output): this.
14905 * src/main.c (main): Call tables_generate and tables_free.
14906
14907 2002-07-31 Akim Demaille <akim@epita.fr>
14908
14909 Steal GCC's --time-report support.
14910
14911 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
14912 stolen/adjusted from GCC.
14913 * m4/stage.m4: Remove time related checks.
14914 * m4/timevar.m4: New.
14915 * configure.in: Adjust.
14916 * src/system.h: Adjust to using timevar.h.
14917 * src/getargs.h, src/getargs.c: Support trace_time for
14918 --trace=time.
14919 * src/main.c (stage): Remove.
14920 (main): Replace `stage' invocations with timevar calls.
14921 * src/output.c: Insert pertinent timevar calls.
14922
14923 2002-07-31 Akim Demaille <akim@epita.fr>
14924
14925 Let --trace have arguments.
14926
14927 * src/getargs.h (enum trace_e): New.
14928 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
14929 (long_options, short_options): --trace/-T takes an optional
14930 argument.
14931 Change all the uses of trace_flag to reflect the new flags.
14932 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
14933
14934 Strengthen `stage' portability.
14935
14936 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
14937 * configure.in: Use it.
14938 Don't check for malloc.h and sys/times.h.
14939 * src/system.h: Include them when appropriate.
14940 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
14941 times and struct tms are available.
14942
14943 2002-07-30 Akim Demaille <akim@epita.fr>
14944
14945 In verbose parse error message, don't report `error' as an
14946 expected token.
14947 * tests/actions.at (Printers and Destructors): Adjust.
14948 * tests/calc.at (Calculator $1): Adjust.
14949 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
14950 error message, do not report the parser accepts the error token in
14951 that state.
14952
14953 2002-07-30 Akim Demaille <akim@epita.fr>
14954
14955 Normalize conflict related messages.
14956
14957 * src/complain.h, src/complain.c (warn, complain): New.
14958 * src/conflicts.c (conflicts_print): Use them.
14959 (conflict_report_yacc): New, extracted from...
14960 (conflicts_print): here.
14961 * tests/conflicts.at, tests/existing.at: Adjust.
14962
14963 2002-07-30 Akim Demaille <akim@epita.fr>
14964
14965 Report rules which are never reduced by the parser: those hidden
14966 by conflicts.
14967
14968 * src/LR0.c (save_reductions): Don't make the final state too
14969 different: save its reduction (accept) instead of having a state
14970 without any action (no shift or goto, no reduce).
14971 Note: the final state is now a ``regular'' state, i.e., the
14972 parsers now contain `reduce 0' as default reduction.
14973 Nevertheless, since they decide to `accept' when yystate =
14974 final_state, they still will not reduce rule 0.
14975 * src/print.c (print_actions, print_reduction): Adjust.
14976 * src/output.c (action_row): Track reduced rules.
14977 (token_actions): Report rules never reduced.
14978 * tests/conflicts.at, tests/regression.at: Adjust.
14979
14980 2002-07-30 Akim Demaille <akim@epita.fr>
14981
14982 `stage' was accidently included in a previous patch.
14983 Initiate its autoconfiscation.
14984
14985 * configure.in: Look for malloc.h and sys/times.h.
14986 * src/main.c (stage): Adjust.
14987 Report only when trace_flag.
14988
14989 2002-07-29 Akim Demaille <akim@epita.fr>
14990
14991 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
14992 state_number_t.
14993 (errs_t): symbol_t*, not symbol_number_t.
14994 (reductions_t): rule_t*, not rule_number_t.
14995 (FOR_EACH_SHIFT): New.
14996 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
14997 * src/print.c, src/print_graph.c: Adjust.
14998
14999 2002-07-29 Akim Demaille <akim@epita.fr>
15000
15001 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
15002
15003 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
15004 (endtoken, accept): these.
15005 * src/reader.c (reader): Set endtoken's default tag to "$end".
15006 Set undeftoken's tag to "$undefined" instead of "$undefined.".
15007 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
15008 Adjust.
15009
15010 2002-07-29 Akim Demaille <akim@epita.fr>
15011
15012 * src/reduce.c (reduce_grammar): When the language is empty,
15013 complain about the start symbol, not the axiom.
15014 Use its location.
15015 * tests/reduce.at (Empty Language): New.
15016
15017 2002-07-26 Akim Demaille <akim@epita.fr>
15018
15019 * src/reader.h, src/reader.c (gram_error): ... can't get
15020 yycontrol without making too strong assumptions on the parser
15021 itself.
15022 * src/output.c (prepare_tokens): Use the real 0th value of
15023 token_translations instead of `0'.
15024 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
15025 visible here.
15026 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
15027 for the time being: %locations ought to provide it to yyerror.
15028
15029 2002-07-25 Akim Demaille <akim@epita.fr>
15030
15031 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
15032 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
15033 * tests/regression.at (Web2c Actions): Adjust.
15034
15035 2002-07-25 Akim Demaille <akim@epita.fr>
15036
15037 Stop storing rules from 1 to nrules + 1.
15038
15039 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
15040 * src/nullable.c, src/output.c, src/print.c, src/reader.c
15041 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
15042 Iterate from 0 to nrules.
15043 Use rule_number_as_item_number and item_number_as_rule_number.
15044 Adjust to `derive' now containing possibly 0.
15045 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
15046 Handle the `- 1' part in rule numbers from/to item numbers.
15047 * src/conflicts.c (log_resolution): Fix the message which reversed
15048 shift and reduce.
15049 * src/output.c (action_row): Initialize default_rule to -1.
15050 (token_actions): Adjust.
15051 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
15052 expected output.
15053 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
15054
15055 2002-07-25 Akim Demaille <akim@epita.fr>
15056
15057 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
15058 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
15059 (b4_c_knr_arg_decl): New.
15060 * data/yacc.c: Use it to define yysymprint, yydestruct, and
15061 yyreport_parse_error.
15062
15063 2002-07-25 Akim Demaille <akim@epita.fr>
15064
15065 * data/yacc.c (yyreport_parse_error): New, extracted from...
15066 (yyparse): here.
15067 (yydestruct, yysymprint): Move above yyparse.
15068 Be K&R compliant.
15069
15070 2002-07-25 Akim Demaille <akim@epita.fr>
15071
15072 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
15073 replace...
15074 (b4_sint_type, b4_uint_type): these.
15075 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
15076 * tests/regression.at (Web2c Actions): Adjust.
15077
15078 2002-07-25 Akim Demaille <akim@epita.fr>
15079
15080 * src/gram.h (TIEM_NUMBER_MAX): New.
15081 (item_number_of_rule_number, rule_number_of_item_number): Rename
15082 as...
15083 (rule_number_as_item_number, item_number_as_rule_number): these.
15084 Adjust dependencies.
15085 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15086 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15087 (symbol_number_to_vector_number): New.
15088 (order): Of vector_number_t* type.
15089 (base_t, BASE_MAX, BASE_MIN): New.
15090 (froms, tos, width, pos, check): Of base_t type.
15091 (action_number_t, ACTION_MIN, ACTION_MAX): New.
15092 (actrow): Of action_number_t type.
15093 (conflrow): Of unsigned int type.
15094 (table_ninf, base_ninf): New.
15095 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
15096 (muscle_insert_int_table, muscle_insert_base_table)
15097 (muscle_insert_rule_number_table): New.
15098 (prepare_tokens): Output `toknum' as int_table.
15099 (action_row): Returns a rule_number_t.
15100 Use ACTION_MIN, not SHRT_MIN.
15101 (token_actions): yydefact is rule_number_t*.
15102 (table_ninf_remap): New.
15103 (pack_table): Use it for `base' and `table'.
15104 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
15105 replaced with...
15106 (YYPACT_NINF, YYTABLE_NINF): these.
15107 (yypact, yytable): Compute their types instead of hard-coded
15108 `short'.
15109 * tests/regression.at (Web2c Actions): Adjust.
15110
15111 2002-07-19 Akim Demaille <akim@epita.fr>
15112
15113 * src/scan-gram.l (id): Can start with an underscore.
15114
15115 2002-07-16 Akim Demaille <akim@epita.fr>
15116
15117 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
15118 Adjust all former `associativity' dependencies.
15119 * src/symtab.c (symbol_new): Default associativity is `undef', not
15120 `right'.
15121 (symbol_check_alias_consistence): Adjust.
15122
15123 2002-07-09 Akim Demaille <akim@epita.fr>
15124
15125 * doc/bison.texinfo: Properly set the ``header'' part.
15126 Use @dircategory ``GNU programming tools'' as per Texinfo's
15127 documentation.
15128 Use @copying.
15129
15130 2002-07-09 Akim Demaille <akim@epita.fr>
15131
15132 * lib/quotearg.h: Protect against multiple inclusions.
15133 * src/location.h (location_t): Add a `file' member.
15134 (LOCATION_RESET, LOCATION_PRINT): Adjust.
15135 * src/complain.c (warn_at, complain_at, fatal_at): Drop
15136 `error_one_per_line' support.
15137
15138 2002-07-09 Akim Demaille <akim@epita.fr>
15139
15140 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
15141 * src/reader.c (lineno): Remove.
15142 Adjust all dependencies.
15143 (get_merge_function): Take a location and use complain_at.
15144 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
15145 * tests/regression.at (Invalid inputs, Mixing %token styles):
15146 Adjust.
15147
15148 2002-07-09 Akim Demaille <akim@epita.fr>
15149
15150 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
15151 recovery rule, and forbid extensions when --yacc.
15152 (gram_error): Use complain_at.
15153 * src/reader.c (reader): Exit if there were parse errors.
15154
15155 2002-07-09 Akim Demaille <akim@epita.fr>
15156
15157 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
15158 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
15159 Reported by R Blake <blakers@mac.com>.
15160
15161 2002-07-09 Akim Demaille <akim@epita.fr>
15162
15163 * data/yacc.c: Output the copyright notive in the header.
15164
15165 2002-07-03 Akim Demaille <akim@epita.fr>
15166
15167 * src/output.c (froms, tos): Are state_number_t.
15168 (save_column): sp, sp1, and sp2 are state_number_t.
15169 (prepare): Rename `final' as `final_state_number', `nnts' as
15170 `nterms_number', `nrules' as `rules_number', `nstates' as
15171 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
15172 unused.
15173 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
15174 * data/lalr1.cc (nsym_): Remove, unused.
15175
15176 2002-07-03 Akim Demaille <akim@epita.fr>
15177
15178 * src/lalr.h, src/lalr.c (goto_number_t): New.
15179 * src/lalr.c (goto_list_t): New.
15180 Propagate them.
15181 * src/nullable.c (rule_list_t): New.
15182 Propagate.
15183 * src/types.h: Remove.
15184
15185 2002-07-03 Akim Demaille <akim@epita.fr>
15186
15187 * src/closure.c (print_fderives): Use rule_rhs_print.
15188 * src/derives.c (print_derives): Use rule_rhs_print.
15189 (rule_list_t): New, replaces `shorts'.
15190 (set_derives): Add comments.
15191 * tests/sets.at (Nullable, Firsts): Adjust.
15192
15193 2002-07-03 Akim Demaille <akim@epita.fr>
15194
15195 * src/output.c (prepare_actions): Free `tally' and `width'.
15196 (prepare_actions): Allocate and free `order'.
15197 * src/symtab.c (symbols_free): Free `symbols'.
15198 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
15199 * src/output.c (m4_invoke): Move to...
15200 * src/scan-skel.l: here.
15201 (<<EOF>>): Close yyout, and free its name.
15202
15203 2002-07-03 Akim Demaille <akim@epita.fr>
15204
15205 Fix some memory leaks, and fix a bug: state 0 was examined twice.
15206
15207 * src/LR0.c (new_state): Merge into...
15208 (state_list_append): this.
15209 (new_states): Merge into...
15210 (generate_states): here.
15211 (set_states): Don't ensure a proper `errs' state member here, do it...
15212 * src/conflicts.c (conflicts_solve): here.
15213 * src/state.h, src/state.c: Comment changes.
15214 (state_t): Rename member `shifts' as `transitions'.
15215 Adjust all dependencies.
15216 (errs_new): For consistency, also take the values as argument.
15217 (errs_dup): Remove.
15218 (state_errs_set): New.
15219 (state_reductions_set, state_transitions_set): Assert that no
15220 previous value was assigned.
15221 (state_free): New.
15222 (states_free): Use it.
15223 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
15224 temporary storage: use `errs' and `nerrs' as elsewhere.
15225 (set_conflicts): Allocate and free this `errs'.
15226
15227 2002-07-02 Akim Demaille <akim@epita.fr>
15228
15229 * lib/libiberty.h: New.
15230 * lib: Update the bitset implementation from upstream.
15231 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
15232 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
15233 * src/main.c: Adjust bitset stats calls.
15234
15235 2002-07-01 Paul Eggert <eggert@twinsun.com>
15236
15237 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
15238 char, so that negative chars don't collide with $.
15239
15240 2002-06-30 Akim Demaille <akim@epita.fr>
15241
15242 Have the GLR tests be `warning' checked, and fix the warnings.
15243
15244 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
15245 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
15246 (yyremoveDeletes): `yyi' and `yyj' are size_t.
15247 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
15248 (yyaddDeferredAction): static.
15249 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
15250 (yyreportParseError): yyprefix is const.
15251 yytokenp is used only when verbose.
15252 (yy__GNUC__): Replace with __GNUC__.
15253 (yypdumpstack): yyi is size_t.
15254 (yypreference): Un-yy local variables and arguments, to avoid
15255 clashes with `yyr1'. Anyway, we are not in the user name space.
15256 (yytname_size): be an int, as is compared with ints.
15257 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
15258 Use them.
15259 * tests/cxx-gram.at: Use quotation to protect $1.
15260 Use AT_COMPILE to enable warnings hunts.
15261 Prototype yylex and yyerror.
15262 `Use' argc.
15263 Include `string.h', not `strings.h'.
15264 Produce and prototype stmtMerge only when used.
15265 yylex takes a location.
15266
15267 2002-06-30 Akim Demaille <akim@epita.fr>
15268
15269 We spend a lot of time in quotearg, in particular when --verbose.
15270
15271 * src/symtab.c (symbol_get): Store a quoted version of the key.
15272 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
15273 Adjust all callers.
15274
15275 2002-06-30 Akim Demaille <akim@epita.fr>
15276
15277 * src/state.h (reductions_t): Rename member `nreds' as num.
15278 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
15279 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
15280
15281 2002-06-30 Akim Demaille <akim@epita.fr>
15282
15283 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
15284 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
15285 (shifts_to): Rename as...
15286 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
15287 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
15288 (TRANSITION_IS_DISABLED, transitions_to): these.
15289
15290 2002-06-30 Akim Demaille <akim@epita.fr>
15291
15292 * src/print.c (print_shifts, print_gotos): Merge into...
15293 (print_transitions): this.
15294 (print_transitions, print_errs, print_reductions): Align the
15295 lookaheads columns.
15296 (print_core, print_transitions, print_errs, print_state,
15297 print_grammar): Output empty lines separator before, not after.
15298 (state_default_rule_compute): Rename as...
15299 (state_default_rule): this.
15300 * tests/conflicts.at (Defaulted Conflicted Reduction),
15301 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
15302 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
15303
15304 2002-06-30 Akim Demaille <akim@epita.fr>
15305
15306 Display items as we display rules.
15307
15308 * src/gram.h, src/gram.c (rule_lhs_print): New.
15309 * src/gram.c (grammar_rules_partial_print): Use it.
15310 * src/print.c (print_core): Likewise.
15311 * tests/conflicts.at (Defaulted Conflicted Reduction),
15312 (Unresolved SR Conflicts): Adjust.
15313 (Unresolved SR Conflicts): Adjust and rename as...
15314 (Resolved SR Conflicts): this, as was meant.
15315 * tests/regression.at (Web2c Report): Adjust.
15316
15317 2002-06-30 Akim Demaille <akim@epita.fr>
15318
15319 * src/print.c (state_default_rule_compute): New, extracted from...
15320 (print_reductions): here.
15321 Pessimize, but clarify the code.
15322 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
15323
15324 2002-06-30 Akim Demaille <akim@epita.fr>
15325
15326 * src/output.c (action_row): Let default_rule be always a rule
15327 number.
15328
15329 2002-06-30 Akim Demaille <akim@epita.fr>
15330
15331 * src/closure.c (print_firsts, print_fderives, closure):
15332 Use BITSET_EXECUTE.
15333 * src/lalr.c (lookaheads_print): Likewise.
15334 * src/state.c (state_rule_lookaheads_print): Likewise.
15335 * src/print_graph.c (print_core): Likewise.
15336 * src/print.c (print_reductions): Likewise.
15337 * src/output.c (action_row): Likewise.
15338 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
15339
15340 2002-06-30 Akim Demaille <akim@epita.fr>
15341
15342 * src/print_graph.c: Use report_flag.
15343
15344 2002-06-30 Akim Demaille <akim@epita.fr>
15345
15346 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
15347 to...
15348 * src/relation.h, src/relation.c (traverse, relation_digraph)
15349 (relation_print, relation_transpose): New.
15350
15351 2002-06-30 Akim Demaille <akim@epita.fr>
15352
15353 * src/state.h, src/state.c (shifts_to): New.
15354 * src/lalr.c (build_relations): Use it.
15355
15356 2002-06-30 Akim Demaille <akim@epita.fr>
15357
15358 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
15359 (item_number_of_rule_number, rule_number_of_item_number): New.
15360 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
15361 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
15362 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
15363 Propagate their use.
15364 Much remains to be done, in particular wrt `shorts' from types.h.
15365
15366 2002-06-30 Akim Demaille <akim@epita.fr>
15367
15368 * src/symtab.c (symbol_new): Initialize the `printer' member.
15369
15370 2002-06-30 Akim Demaille <akim@epita.fr>
15371
15372 * src/LR0.c (save_reductions): Remove, replaced by...
15373 * src/state.h, src/state.c (state_reductions_set): New.
15374 (reductions, errs): Rename as...
15375 (reductions_t, errs_t): these.
15376 Adjust all dependencies.
15377
15378 2002-06-30 Akim Demaille <akim@epita.fr>
15379
15380 * src/LR0.c (state_list_t, state_list_append): New.
15381 (first_state, last_state): Now symbol_list_t.
15382 (this_state): Remove.
15383 (new_itemsets, append_states, save_reductions): Take a state_t as
15384 argument.
15385 (set_states, generate_states): Adjust.
15386 (save_shifts): Remove, replaced by...
15387 * src/state.h, src/state.c (state_shifts_set): New.
15388 (shifts): Rename as...
15389 (shifts_t): this.
15390 Adjust all dependencies.
15391 * src/state.h (state_t): Remove the `next' member.
15392
15393 2002-06-30 Akim Demaille <akim@epita.fr>
15394
15395 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
15396 escaped in slot 0.
15397
15398 2002-06-30 Akim Demaille <akim@epita.fr>
15399
15400 Use hash.h for the state hash table.
15401
15402 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
15403 (allocate_storage): Use state_hash_new.
15404 (free_storage): Use state_hash_free.
15405 (new_state, get_state): Adjust.
15406 * src/lalr.h, src/lalr.c (states): Move to...
15407 * src/states.h (state_t): Remove the `link' member, no longer
15408 used.
15409 * src/states.h, src/states.c: here.
15410 (state_hash_new, state_hash_free, state_hash_lookup)
15411 (state_hash_insert, states_free): New.
15412 * src/states.c (state_table, state_compare, state_hash): New.
15413 * src/output.c (output_actions): Do not free states now, since we
15414 still need to know the final_state number in `prepare', called
15415 afterwards. Do it...
15416 * src/main.c (main): here: call states_free after `output'.
15417
15418 2002-06-30 Akim Demaille <akim@epita.fr>
15419
15420 * src/state.h, src/state.c (state_new): New, extracted from...
15421 * src/LR0.c (new_state): here.
15422 * src/state.h (STATE_ALLOC): Move to...
15423 * src/state.c: here.
15424 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
15425 * src/state.h, src/state.c: here.
15426
15427 2002-06-30 Akim Demaille <akim@epita.fr>
15428
15429 * src/reader.c (gensym): Rename as...
15430 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
15431 (getsym): Rename as...
15432 (symbol_get): this.
15433
15434 2002-06-30 Akim Demaille <akim@epita.fr>
15435
15436 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
15437 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
15438 * src/output.c, src/print.c, src/print_graph.c: Propagate.
15439 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
15440
15441 2002-06-30 Akim Demaille <akim@epita.fr>
15442
15443 Make the test suite pass with warnings checked.
15444
15445 * tests/actions.at (Printers and Destructors): Improve.
15446 Avoid unsigned vs. signed issues.
15447 * tests/calc.at: Don't exercise the scanner here, do it...
15448 * tests/input.at (Torturing the Scanner): here.
15449
15450 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15451
15452 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
15453 reorganize first lines parallel to yacc.c.
15454
15455 2002-06-28 Akim Demaille <akim@epita.fr>
15456
15457 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
15458 (b4_token_enum, b4_token_defines): New, factored from...
15459 * data/lalr1.cc, data/yacc.c, glr.c: here.
15460
15461 2002-06-28 Akim Demaille <akim@epita.fr>
15462
15463 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
15464 unused variables.
15465 * src/output.c (merger_output): static.
15466
15467 2002-06-28 Akim Demaille <akim@epita.fr>
15468
15469 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
15470 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
15471 pacify GCC.
15472 * src/output.c (save_row): Initialize all the variables to pacify GCC.
15473
15474 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15475
15476 Accumulated changelog for new GLR parsing features.
15477
15478 * src/conflicts.c (count_total_conflicts): Change name to
15479 conflicts_total_count.
15480 * src/conflicts.h: Ditto.
15481 * src/output.c (token_actions): Use the new name.
15482 (output_conflicts): Change conflp => conflict_list_heads, and
15483 confl => conflict_list for better readability.
15484 * data/glr.c: Use the new names.
15485 * NEWS: Add self to GLR announcement.
15486
15487 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
15488
15489 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
15490 Akim Demaille.
15491
15492 * data/bison.glr: Change name to glr.c
15493 * data/glr.c: Renamed from bison.glr.
15494 * data/Makefile.am: Add glr.c
15495
15496 * src/getargs.c:
15497
15498 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
15499 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
15500
15501 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15502
15503 * data/bison.glr: Be sure to restore the
15504 current #line when returning to the skeleton contents after having
15505 exposed the input file's #line.
15506
15507 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15508
15509 * data/bison.glr: Bring up to date with changes to bison.simple.
15510
15511 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15512
15513 * data/bison.glr: Correct definitions that use b4_prefix.
15514 Various reformatting.
15515 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
15516 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
15517 yytokenp argument; now part of stack.
15518 (yychar): Define to behave as documented.
15519 (yyclearin): Ditto.
15520
15521 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15522
15523 * src/reader.h: Add declaration for free_merger_functions.
15524
15525 * src/reader.c (merge_functions): New variable.
15526 (get_merge_function): New function.
15527 (free_merger_functions): New function.
15528 (readgram): Check for %prec that is not followed by a symbol.
15529 Handle %dprec and %merge declarations.
15530 (packgram): Initialize dprec and merger fields in rules array.
15531
15532 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
15533 conflict_list_cnt, conflict_list_free): New variables.
15534 (table_grow): Also grow conflict_table.
15535 (prepare_rules): Output dprec and merger tables.
15536 (conflict_row): New function.
15537 (action_row): Output conflict lists for GLR parser. Don't use
15538 default reduction in conflicted states for GLR parser so that there
15539 are spaces for the conflict lists.
15540 (save_row): Also save conflict information.
15541 (token_actions): Allocate conflict list.
15542 (merger_output): New function.
15543 (pack_vector): Pack conflict table, too.
15544 (output_conflicts): New function to output yyconflp and yyconfl.
15545 (output_check): Allocate conflict_tos.
15546 (output_actions): Output conflict tables, also.
15547 (output_skeleton): Output b4_mergers definition.
15548 (prepare): Output b4_max_rhs_length definition.
15549 Use 'bison.glr' as default skeleton for GLR parsers.
15550
15551 * src/gram.c (glr_parser): New flag.
15552 (grammar_free): Call free_merger_functions.
15553
15554 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
15555 all pairs of conflicting reductions, rather than just all tokens
15556 causing conflicts. Needed to size conflict tables.
15557 (conflicts_output): Modify call to count_rr_conflicts for new
15558 interface.
15559 (conflicts_print): Ditto.
15560 (count_total_conflicts): New function.
15561
15562 * src/reader.h (merger_list): New type.
15563 (merge_functions): New variable.
15564
15565 * src/lex.h (tok_dprec, tok_merge): New token types.
15566
15567 * src/gram.h (rule_s): Add dprec and merger fields.
15568 (glr_parser): New flag.
15569
15570 * src/conflicts.h (count_total_conflicts): New function.
15571
15572 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
15573
15574 * doc/bison.texinfo (Generalized LR Parsing): New section.
15575 (GLR Parsers): New section.
15576 (Language and Grammar): Mention GLR parsing.
15577 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
15578 Correct typo ("tge" -> "the").
15579
15580 * data/bison.glr: New skeleton for GLR parsing.
15581
15582 * tests/cxx-gram.at: New tests for GLR parsing.
15583
15584 * tests/testsuite.at: Include cxx-gram.at.
15585
15586 * tests/Makefile.am: Add cxx-gram.at.
15587
15588 * src/parse-gram.y:
15589
15590 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
15591
15592 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
15593
15594 2002-06-27 Akim Demaille <akim@epita.fr>
15595
15596 * src/options.h, src/options.c: Remove.
15597 * src/getargs.c (short_options, long_options): New.
15598
15599 2002-06-27 Akim Demaille <akim@epita.fr>
15600
15601 * data/bison.simple, data/bison.c++: Rename as...
15602 * data/yacc.c, data/lalr1.cc: these.
15603 * doc/bison.texinfo (Environment Variables): Remove.
15604
15605 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
15606
15607 * src/getargs.c (report_argmatch): Initialize strtok().
15608
15609 2002-06-20 Akim Demaille <akim@epita.fr>
15610
15611 * data/bison.simple (b4_symbol_actions): New, replaces...
15612 (b4_symbol_destructor, b4_symbol_printer): these.
15613 (yysymprint): Be sure to call YYPRINT only for tokens, and using
15614 user token numbers.
15615
15616 2002-06-20 Akim Demaille <akim@epita.fr>
15617
15618 * data/bison.simple (yydestructor): Rename as...
15619 (yydestruct): this.
15620
15621 2002-06-20 Akim Demaille <akim@epita.fr>
15622
15623 * src/symtab.h, src/symtab.c (symbol_type_set)
15624 (symbol_destructor_set, symbol_precedence_set): The location is
15625 the last argument.
15626 Adjust all callers.
15627
15628 2002-06-20 Akim Demaille <akim@epita.fr>
15629
15630 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
15631 internals.
15632 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
15633 Takes a location.
15634 * src/symtab.h, src/symtab.c (symbol_class_set)
15635 (symbol_user_token_number_set): Likewise.
15636 Adjust all callers.
15637 Promote complain_at.
15638 * tests/input.at (Type Clashes): Adjust.
15639
15640 2002-06-20 Akim Demaille <akim@epita.fr>
15641
15642 * data/bison.simple (YYLEX): Fix the declaration when
15643 %pure-parser.
15644
15645 2002-06-20 Akim Demaille <akim@epita.fr>
15646
15647 * data/bison.simple (yysymprint): Don't print the token number,
15648 just its name.
15649 * tests/actions.at (Destructors): Rename as...
15650 (Printers and Destructors): this.
15651 Also exercise %printer.
15652
15653 2002-06-20 Akim Demaille <akim@epita.fr>
15654
15655 * data/bison.simple (YYDSYMPRINT): New.
15656 Use it to remove many of the #if YYDEBUG/if (yydebug).
15657
15658 2002-06-20 Akim Demaille <akim@epita.fr>
15659
15660 * src/symtab.h, src/symtab.c (symbol_t): printer and
15661 printer_location are new members.
15662 (symbol_printer_set): New.
15663 * src/parse-gram.y (PERCENT_PRINTER): New token.
15664 Handle its associated rule.
15665 * src/scan-gram.l: Adjust.
15666 (handle_destructor_at, handle_destructor_dollar): Rename as...
15667 (handle_symbol_code_at, handle_symbol_code_dollar): these.
15668 * src/output.c (symbol_printers_output): New.
15669 (output_skeleton): Call it.
15670 * data/bison.simple (yysymprint): New. Cannot be named yyprint
15671 since there are already many grammar files with a user `yyprint'.
15672 Replace the calls to YYPRINT to calls to yysymprint.
15673 * tests/calc.at: Adjust.
15674 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
15675 taking advantage of parser very internal details (stack size!).
15676
15677 2002-06-20 Akim Demaille <akim@epita.fr>
15678
15679 * src/scan-gram.l: Complete the scanner with the missing patterns
15680 to pacify Flex.
15681 Use `quote' and `symbol_tag_get' where appropriate.
15682
15683 2002-06-19 Akim Demaille <akim@epita.fr>
15684
15685 * tests/actions.at (Destructors): Augment to test locations.
15686 * data/bison.simple (yydestructor): Pass it the current location
15687 if locations are enabled.
15688 Prototype only when __STDC__ or C++.
15689 Change the argument names to move into the yy name space: there is
15690 user code here.
15691
15692 2002-06-19 Akim Demaille <akim@epita.fr>
15693
15694 * data/bison.simple (b4_pure_if): New.
15695 Use it instead of #ifdef YYPURE.
15696
15697 2002-06-19 Akim Demaille <akim@epita.fr>
15698
15699 * data/bison.simple (b4_location_if): New.
15700 Use it instead of #ifdef YYLSP_NEEDED.
15701
15702 2002-06-19 Akim Demaille <akim@epita.fr>
15703
15704 Prepare @$ in %destructor, but currently don't bind it in the
15705 skeleton, as %location use is not cleaned up yet.
15706
15707 * src/scan-gram.l (handle_dollar, handle_destructor_at)
15708 (handle_action_at): New.
15709 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
15710 a braced_code_t and a location as additional arguments.
15711 (handle_destructor_dollar): Instead of requiring `b4_eval', just
15712 unquote one when outputting `b4_dollar_dollar'.
15713 Adjust callers.
15714 * data/bison.simple (b4_eval): Remove.
15715 (b4_symbol_destructor): Adjust.
15716 * tests/input.at (Invalid @n): Adjust.
15717
15718 2002-06-19 Zack Weinberg <zack@codesourcery.com>
15719
15720 * doc/bison.texinfo: Document ability to have multiple
15721 prologue sections.
15722
15723 2002-06-18 Akim Demaille <akim@epita.fr>
15724
15725 * src/files.c (compute_base_names): When computing the output file
15726 names from the input file name, strip the directory part.
15727
15728 2002-06-18 Akim Demaille <akim@epita.fr>
15729
15730 * data/bison.simple.new: Comment changes.
15731 Reported by Andreas Schwab.
15732
15733 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
15734
15735 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
15736 there are no `label `yyoverflowlab' defined but not used' warnings
15737 when yyoverflow is defined.
15738
15739 2002-06-18 Akim Demaille <akim@epita.fr>
15740
15741 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
15742 new member.
15743 (symbol_destructor_set): Adjust.
15744 * src/output.c (symbol_destructors_output): Output the destructor
15745 locations.
15746 Output the symbol name.
15747 * data/bison.simple (b4_symbol_destructor): Adjust.
15748
15749 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
15750 and Akim Demaille <akim@epita.fr>
15751
15752 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
15753 what's left on the stack when the error recovery hits EOF.
15754 * tests/actions.at (Destructors): Complete to exercise this case.
15755
15756 2002-06-17 Akim Demaille <akim@epita.fr>
15757
15758 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
15759 arguments is really empty, not only equal to `[]'.
15760 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
15761 member.
15762 (symbol_destructor_set): New.
15763 * src/output.c (symbol_destructors_output): New.
15764 * src/reader.h (brace_code_t, current_braced_code): New.
15765 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
15766 (handle_dollar): Rename as...
15767 (handle_action_dollar): this.
15768 (handle_destructor_dollar): New.
15769 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
15770 (grammar_declaration): Use it.
15771 * data/bison.simple (yystos): Is always defined.
15772 (yydestructor): New.
15773 * tests/actions.at (Destructors): New.
15774 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
15775
15776 2002-06-17 Akim Demaille <akim@epita.fr>
15777
15778 * src/symlist.h, src/symlist.c (symbol_list_length): New.
15779 * src/scan-gram.l (handle_dollar, handle_at): Compute the
15780 rule_length only when needed.
15781 * src/output.c (actions_output, token_definitions_output): Output
15782 the full M4 block.
15783 * src/symtab.c: Don't access directly to the symbol tag, use
15784 symbol_tag_get.
15785 * src/parse-gram.y: Use symbol_list_free.
15786
15787 2002-06-17 Akim Demaille <akim@epita.fr>
15788
15789 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
15790 (symbol_list_prepend, get_type_name): Move to...
15791 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
15792 (symbol_list_prepend, symbol_list_n_type_name_get): here.
15793 Adjust all callers.
15794 (symbol_list_free): New.
15795 * src/scan-gram.l (handle_dollar): Takes a location.
15796 * tests/input.at (Invalid $n): Adjust.
15797
15798 2002-06-17 Akim Demaille <akim@epita.fr>
15799
15800 * src/reader.h, src/reader.c (symbol_list_new): Export it.
15801 (symbol_list_prepend): New.
15802 * src/parse-gram.y (%union): `list' is a new member.
15803 (symbols.1): New, replaces...
15804 (terms_to_prec.1, nterms_to_type.1): these.
15805 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
15806 Take a location as additional argument.
15807 Adjust all callers.
15808
15809 2002-06-15 Akim Demaille <akim@epita.fr>
15810
15811 * src/parse-gram.y: Move %token in the declaration section so that
15812 we don't depend upon CVS Bison.
15813
15814 2002-06-15 Akim Demaille <akim@epita.fr>
15815
15816 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
15817 * src/print.c (print_core): Use it.
15818
15819 2002-06-15 Akim Demaille <akim@epita.fr>
15820
15821 * src/conflicts.c (log_resolution): Accept the rule involved in
15822 the sr conflicts instead of the lookahead number that points to
15823 that rule.
15824 (flush_reduce): Accept the current lookahead vector as argument,
15825 instead of the index in LA.
15826 (resolve_sr_conflict): Accept the current number of lookahead
15827 bitset to consider for the STATE, instead of the index in LA.
15828 (set_conflicts): Adjust.
15829 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
15830
15831 2002-06-15 Akim Demaille <akim@epita.fr>
15832
15833 * src/state.h (state_t): Replace the `lookaheadsp' member, a
15834 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
15835 Adjust all dependencies.
15836 * src/lalr.c (initialize_lookaheads): Split into...
15837 (states_lookaheads_count, states_lookaheads_initialize): these.
15838 (lalr): Adjust.
15839
15840 2002-06-15 Akim Demaille <akim@epita.fr>
15841
15842 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
15843 out of...
15844 (grammar_rules_print): here.
15845 * src/reduce.c (reduce_output): Use it.
15846 * tests/reduce.at (Useless Rules, Reduced Automaton)
15847 (Underivable Rules): Adjust.
15848
15849 2002-06-15 Akim Demaille <akim@epita.fr>
15850
15851 Copy BYacc's nice way to report the grammar.
15852
15853 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
15854 New.
15855 Don't print the rules' location, it is confusing and useless.
15856 (rule_print): Use grammar_rhs_print.
15857 * src/print.c (print_grammar): Use grammar_rules_print.
15858
15859 2002-06-15 Akim Demaille <akim@epita.fr>
15860
15861 Complete and rationalize `useless thing' warnings.
15862
15863 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
15864 (symbol_tag_print): New.
15865 Use them everywhere in place of accessing directly the tag member.
15866 * src/gram.h, src/gram.c (rule_print): New.
15867 Use it where a rule used to be printed `by hand'.
15868 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
15869 (reduce_grammar_tables): Report the useless rules.
15870 (reduce_print): Useless things are a warning, not an error.
15871 Report it as such.
15872 * tests/reduce.at (Useless Nonterminals, Useless Rules):
15873 (Reduced Automaton, Underivable Rules): Adjust.
15874 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
15875 * tests/conflicts.at (Unresolved SR Conflicts)
15876 (Solved SR Conflicts): Adjust.
15877
15878 2002-06-15 Akim Demaille <akim@epita.fr>
15879
15880 Let symbols have a location.
15881
15882 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
15883 (getsym): Adjust.
15884 Adjust all callers.
15885 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
15886 Use location_t, not int.
15887 * src/symtab.c (symbol_check_defined): Take advantage of the
15888 location.
15889 * tests/regression.at (Invalid inputs): Adjust.
15890
15891 2002-06-15 Akim Demaille <akim@epita.fr>
15892
15893 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
15894 (input): Don't try to initialize yylloc here, do it in the
15895 scanner.
15896 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
15897 * src/gram.h (rule_t): Change line and action_line into location
15898 and action_location, of location_t type.
15899 Adjust all dependencies.
15900 * src/location.h, src/location.c (empty_location): New.
15901 * src/reader.h, src/reader.c (grammar_start_symbol_set)
15902 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
15903 (grammar_current_rule_symbol_append)
15904 (grammar_current_rule_action_append): Expect a location as argument.
15905 * src/reader.c (grammar_midrule_action): Adjust to attach an
15906 action's location as dummy symbol location.
15907 * src/symtab.h, src/symtab.c (startsymbol_location): New.
15908 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
15909 the line numbers.
15910
15911 2002-06-14 Akim Demaille <akim@epita.fr>
15912
15913 Grammar declarations may be found in the grammar section.
15914
15915 * src/parse-gram.y (rules_or_grammar_declaration): New.
15916 (declarations): Each declaration may end with a semicolon, not
15917 just...
15918 (grammar_declaration): `"%union"'.
15919 (grammar): Branch to rules_or_grammar_declaration.
15920
15921 2002-06-14 Akim Demaille <akim@epita.fr>
15922
15923 * src/main.c (main): Invoke scanner_free.
15924
15925 2002-06-14 Akim Demaille <akim@epita.fr>
15926
15927 * src/output.c (m4_invoke): Extracted from...
15928 (output_skeleton): here.
15929 Free tempfile.
15930
15931 2002-06-14 Akim Demaille <akim@epita.fr>
15932
15933 * src/parse-gram.y (directives, directive, gram)
15934 (grammar_directives, precedence_directives, precedence_directive):
15935 Rename as...
15936 (declarations, declaration, grammar, grammar_declaration)
15937 (precedence_declaration, precedence_declarator): these.
15938 (symbol_declaration): New.
15939
15940 2002-06-14 Akim Demaille <akim@epita.fr>
15941
15942 * src/files.c (action_obstack): Remove, unused.
15943 (output_obstack): Remove it, and all its dependencies, as it is no
15944 longer needed.
15945 * src/reader.c (epilogue_set): Build the epilogue in the
15946 muscle_obstack.
15947 * src/output.h, src/output.c (muscle_obstack): Move to...
15948 * src/muscle_tab.h, src/muscle_tab.h: here.
15949 (muscle_init): Initialize muscle_obstack.
15950 (muscle_free): New.
15951 * src/main.c (main): Call it.
15952
15953 2002-06-14 Akim Demaille <akim@epita.fr>
15954
15955 * src/location.h: New, extracted from...
15956 * src/reader.h: here.
15957 * src/Makefile.am (noinst_HEADERS): Merge into
15958 (bison_SOURCES): this.
15959 Add location.h.
15960 * src/parse-gram.y: Use location_t instead of Bison's.
15961 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
15962 Use location_t instead of ints.
15963
15964 2002-06-14 Akim Demaille <akim@epita.fr>
15965
15966 * data/bison.simple, data/bison.c++: Be sure to restore the
15967 current #line when returning to the skeleton contents after having
15968 exposed the input file's #line.
15969
15970 2002-06-12 Akim Demaille <akim@epita.fr>
15971
15972 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
15973 eager.
15974 * tests/actions.at (Exotic Dollars): New.
15975
15976 2002-06-12 Akim Demaille <akim@epita.fr>
15977
15978 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
15979 ['"/] too eagerly.
15980 * tests/input.at (Torturing the Scanner): New.
15981
15982 2002-06-11 Akim Demaille <akim@epita.fr>
15983
15984 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
15985 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
15986 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
15987 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
15988 * src/reader.c (reader): Use it.
15989
15990 2002-06-11 Akim Demaille <akim@epita.fr>
15991
15992 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
15993 Adjust all callers.
15994 (scanner_last_string_free): New.
15995
15996 2002-06-11 Akim Demaille <akim@epita.fr>
15997
15998 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
15999 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
16000 (last_string, YY_OBS_FREE): New.
16001 Use them when returning an ID.
16002
16003 2002-06-11 Akim Demaille <akim@epita.fr>
16004
16005 Have Bison grammars parsed by a Bison grammar.
16006
16007 * src/reader.c, src/reader.h (prologue_augment): New.
16008 * src/reader.c (copy_definition): Remove.
16009
16010 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
16011 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
16012 (grammar_current_rule_prec_set, grammar_current_rule_check)
16013 (grammar_current_rule_symbol_append)
16014 (grammar_current_rule_action_append): Export.
16015 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
16016 (symbol_list_action_append): Remove.
16017 Hook the routines from reader.
16018 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
16019 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
16020
16021 * src/reader.c (read_declarations): Remove, unused.
16022
16023 * src/parse-gram.y: Handle the epilogue.
16024 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
16025 (grammar_start_symbol_set): this.
16026 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
16027 * src/reader.c (readgram): Remove, unused.
16028 (reader): Adjust to insert eoftoken and axiom where appropriate.
16029
16030 * src/reader.c (copy_dollar): Replace with...
16031 * src/scan-gram.h (handle_dollar): this.
16032 * src/parse-gram.y: Remove `%thong'.
16033
16034 * src/reader.c (copy_at): Replace with...
16035 * src/scan-gram.h (handle_at): this.
16036
16037 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
16038 New.
16039
16040 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
16041 time being.
16042
16043 * src/reader.h, src/reader.c (grammar_rule_end): New.
16044
16045 * src/parse.y (current_type, current_class): New.
16046 Implement `%nterm', `%token' support.
16047 Merge `%term' into `%token'.
16048 (string_as_id): New.
16049 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
16050 type name.
16051
16052 * src/parse-gram.y: Be sure to handle properly the beginning of
16053 rules.
16054
16055 * src/parse-gram.y: Handle %type.
16056 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
16057
16058 * src/parse-gram.y: More directives support.
16059 * src/options.c: No longer handle source directives.
16060
16061 * src/parse-gram.y: Fix %output.
16062
16063 * src/parse-gram.y: Handle %union.
16064 Use the prologue locations.
16065 * src/reader.c (parse_union_decl): Remove.
16066
16067 * src/reader.h, src/reader.c (epilogue_set): New.
16068 * src/parse-gram.y: Use it.
16069
16070 * data/bison.simple, data/bison.c++: b4_stype is now either not
16071 defined, then default to int, or to the contents of %union,
16072 without `union' itself.
16073 Adjust.
16074 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
16075
16076 * src/output.c (actions_output): Don't output braces, as they are
16077 already handled by the scanner.
16078
16079 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
16080 characters to themselves.
16081
16082 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
16083 that the epilogue has a proper #line.
16084
16085 * src/parse-gram.y: Handle precedence/associativity.
16086
16087 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
16088 a terminal.
16089 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
16090 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
16091 at all to define terminals that cannot be emitted.
16092
16093 * src/scan-gram.l: Escape M4 characters.
16094
16095 * src/scan-gram.l: Working properly with escapes in user
16096 strings/characters.
16097
16098 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
16099 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
16100 grammar.
16101 Use more modest sizes, as for the time being the parser does not
16102 release memory, and therefore the process swallows a huge amount
16103 of memory.
16104
16105 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
16106 stricter %token grammar.
16107
16108 * src/symtab.h (associativity): Add `undef_assoc'.
16109 (symbol_precedence_set): Do nothing when passed an undef_assoc.
16110 * src/symtab.c (symbol_check_alias_consistence): Adjust.
16111
16112 * tests/regression.at (Invalid %directive): Remove, as it is now
16113 meaningless.
16114 (Invalid inputs): Adjust to the new error messages.
16115 (Token definitions): The new grammar doesn't allow too many
16116 eccentricities.
16117
16118 * src/lex.h, src/lex.c: Remove.
16119 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
16120 (copy_character, copy_string2, copy_string, copy_identifier)
16121 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
16122 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
16123 (parse_action): Remove.
16124 * po/POTFILES.in: Adjust.
16125
16126 2002-06-11 Akim Demaille <akim@epita.fr>
16127
16128 * src/reader.c (parse_action): Don't store directly into the
16129 rule's action member: return the action as a string.
16130 Don't require `rule_length' as an argument: compute it.
16131 (grammar_current_rule_symbol_append)
16132 (grammar_current_rule_action_append): New, eved out from
16133 (readgram): here.
16134 Remove `action_flag', `rulelength', unused now.
16135
16136 2002-06-11 Akim Demaille <akim@epita.fr>
16137
16138 * src/reader.c (grammar_current_rule_prec_set).
16139 (grammar_current_rule_check): New, eved out from...
16140 (readgram): here.
16141 Remove `xaction', `first_rhs': useless.
16142 * tests/input.at (Type clashes): New.
16143 * tests/existing.at (GNU Cim Grammar): Adjust.
16144
16145 2002-06-11 Akim Demaille <akim@epita.fr>
16146
16147 * src/reader.c (grammar_midrule_action): New, Eved out from
16148 (readgram): here.
16149
16150 2002-06-11 Akim Demaille <akim@epita.fr>
16151
16152 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
16153 New.
16154 (readgram): Use them as replacement of inlined code, crule and
16155 crule1.
16156
16157 2002-06-11 Akim Demaille <akim@epita.fr>
16158
16159 * src/reader.c (grammar_end, grammar_symbol_append): New.
16160 (readgram): Use them.
16161 Make the use of `p' as local as possible.
16162
16163 2002-06-10 Akim Demaille <akim@epita.fr>
16164
16165 GCJ's parser requires the tokens to be defined before the prologue.
16166
16167 * data/bison.simple: Output the token definition before the user's
16168 prologue.
16169 * tests/regression.at (Braces parsing, Duplicate string)
16170 (Mixing %token styles): Check the output from bison.
16171 (Early token definitions): New.
16172
16173 2002-06-10 Akim Demaille <akim@epita.fr>
16174
16175 * src/symtab.c (symbol_user_token_number_set): Don't complain when
16176 assigning twice the same user number to a token, so that we can
16177 use it in...
16178 * src/lex.c (lex): here.
16179 Also use `symbol_class_set' instead of hand written code.
16180 * src/reader.c (parse_assoc_decl): Likewise.
16181
16182 2002-06-10 Akim Demaille <akim@epita.fr>
16183
16184 * src/symtab.c, src/symtab.c (symbol_class_set)
16185 (symbol_user_token_number_set): New.
16186 * src/reader.c (parse_token_decl): Use them.
16187 Use a switch instead of ifs.
16188 Use a single argument.
16189
16190 2002-06-10 Akim Demaille <akim@epita.fr>
16191
16192 Remove `%thong' support as it is undocumented, unused, duplicates
16193 `%token's job, and creates useless e-mail traffic with people who
16194 want to know what it is, why it is undocumented, unused, and
16195 duplicates `%token's job.
16196
16197 * src/reader.c (parse_thong_decl): Remove.
16198 * src/options.c (option_table): Remove "thong".
16199 * src/lex.h (tok_thong): Remove.
16200
16201 2002-06-10 Akim Demaille <akim@epita.fr>
16202
16203 * src/symtab.c, src/symtab.c (symbol_type_set)
16204 (symbol_precedence_set): New.
16205 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
16206 (value_components_used): Remove, unused.
16207
16208 2002-06-09 Akim Demaille <akim@epita.fr>
16209
16210 Move symbols handling code out of the reader.
16211
16212 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
16213 (axiom): Move to...
16214 * src/symtab.h, src/symtab.c: here.
16215
16216 * src/gram.c (start_symbol): Remove: use startsymbol->number.
16217 * src/reader.c (startval): Rename as...
16218 * src/symtab.h, src/symtab.c (startsymbol): this.
16219 * src/reader.c: Adjust.
16220
16221 * src/reader.c (symbol_check_defined, symbol_make_alias)
16222 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16223 (token_translations_init)
16224 Move to...
16225 * src/symtab.c: here.
16226 * src/reader.c (packsymbols): Move to...
16227 * src/symtab.h, src/symtab.c (symbols_pack): here.
16228 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
16229 argument.
16230
16231 2002-06-03 Akim Demaille <akim@epita.fr>
16232
16233 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
16234 then statements.
16235
16236 2002-06-03 Akim Demaille <akim@epita.fr>
16237
16238 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
16239 structs with non literals.
16240 * src/scan-skel.l: never-interactive.
16241 * src/conflicts.c (enum conflict_resolution_e): No trailing
16242 comma.
16243 * src/getargs.c (usage): Split long literal strings.
16244 Reported by Hans Aberg.
16245
16246 2002-05-28 Akim Demaille <akim@epita.fr>
16247
16248 * data/bison.c++: Use C++ ostreams.
16249 (cdebug_): New member.
16250
16251 2002-05-28 Akim Demaille <akim@epita.fr>
16252
16253 * src/output.c (output_skeleton): Be sure to allocate enough room
16254 for `/' _and_ for `\0' in full_skeleton.
16255
16256 2002-05-28 Akim Demaille <akim@epita.fr>
16257
16258 * data/bison.c++: Catch up with bison.simple:
16259 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16260 and Paul Eggert <eggert@twinsun.com>: `error' handing.
16261 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
16262 and popping traces.
16263
16264 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16265
16266 * src/output.c (output_skeleton): Put an explicit path in front of
16267 the skeleton file name, rather than relying on the -I directory,
16268 to partially alleviate effects of having a skeleton file lying around
16269 in the current directory.
16270
16271 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16272
16273 * src/conflicts.c (log_resolution): Correct typo:
16274 obstack_printf should be obstack_fgrow1.
16275
16276 2002-05-26 Akim Demaille <akim@epita.fr>
16277
16278 * src/state.h (state_t): `solved_conflicts' is a new member.
16279 * src/LR0.c (new_state): Set it to 0.
16280 * src/conflicts.h, src/conflicts.c (print_conflicts)
16281 (free_conflicts, solve_conflicts): Rename as...
16282 (conflicts_print, conflicts_free, conflicts_solve): these.
16283 Adjust callers.
16284 * src/conflicts.c (enum conflict_resolution_e)
16285 (solved_conflicts_obstack): New, used by...
16286 (log_resolution): this.
16287 Adjust to attach the conflict resolution to each state.
16288 Complete the description with the precedence/associativity
16289 information.
16290 (resolve_sr_conflict): Adjust.
16291 * src/print.c (print_state): Output its solved_conflicts.
16292 * tests/conflicts.at (Unresolved SR Conflicts)
16293 (Solved SR Conflicts): Exercise --report=all.
16294
16295 2002-05-26 Akim Demaille <akim@epita.fr>
16296
16297 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16298 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
16299 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
16300 (token_number_t, item_number_as_token_number)
16301 (token_number_as_item_number, muscle_insert_token_number_table):
16302 Rename as...
16303 (symbol_number_t, item_number_as_symbol_number)
16304 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
16305 these, since it is more appropriate.
16306
16307 2002-05-26 Akim Demaille <akim@epita.fr>
16308
16309 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
16310 `Error:' lines.
16311 * data/bison.simple (yystos) [YYDEBUG]: New.
16312 (yyparse) [YYDEBUG]: Display the symbols which are popped during
16313 error recovery.
16314 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
16315
16316 2002-05-25 Akim Demaille <akim@epita.fr>
16317
16318 * doc/bison.texinfo (Debugging): Split into...
16319 (Tracing): this new section, its former contents, and...
16320 (Understanding): this new section.
16321 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
16322 by...
16323 (report_flag): this.
16324 Adjust all dependencies.
16325 (report_args, report_types, report_argmatch): New.
16326 (usage, getargs): Report/support -r, --report.
16327 * src/options.h
16328 (struct option_table_struct): Rename as..,
16329 (struct option_table_s): this.
16330 Rename the `set_flag' member to `flag' to match with getopt_long's
16331 struct.
16332 * src/options.c (option_table): Split verbose into an entry for
16333 %verbose, and another for --verbose.
16334 Support --report/-r, so remove -r from the obsolete --raw.
16335 * src/print.c: Attach full item sets and lookaheads reports to
16336 report_flag instead of trace_flag.
16337 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
16338
16339 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16340 and Paul Eggert <eggert@twinsun.com>
16341
16342 * data/bison.simple (yyparse): Correct error handling to conform to
16343 POSIX and yacc. Specifically, after syntax error is discovered,
16344 do not reduce further before shifting the error token.
16345 Clean up the code a bit by removing the labels yyerrdefault,
16346 yyerrhandle, yyerrpop.
16347 * NEWS: Document the above.
16348
16349 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16350
16351 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
16352 type; it isn't always big enough, since it doesn't necessarily
16353 include non-terminals.
16354 (yytranslate): Expand definition of yy_token_number_type, so that
16355 the latter can be removed.
16356 (yy_token_number_type): Remove, only one use.
16357 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
16358 don't use TokenNumberType as element type.
16359
16360 * tests/regression.at: Modify expected output to agree with change
16361 to yyr1 and yytranslate.
16362
16363 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
16364
16365 * src/reader.c (parse_action): Use copy_character instead of
16366 obstack_1grow.
16367
16368 2002-05-13 Akim Demaille <akim@epita.fr>
16369
16370 * tests/regression.at (Token definitions): Prototype yylex and
16371 yyerror.
16372
16373 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16374
16375 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
16376 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
16377 32-bit arithmetic.
16378 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
16379
16380 2002-05-07 Akim Demaille <akim@epita.fr>
16381
16382 * tests/synclines.at: Be sure to prototype yylex and yyerror to
16383 avoid GCC warnings.
16384
16385 2002-05-07 Akim Demaille <akim@epita.fr>
16386
16387 Kill GCC warnings.
16388
16389 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
16390 over the RHS of each rule.
16391 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
16392 * src/state.h (state_t): Member `nitems' is unsigned short.
16393 * src/LR0.c (get_state): Adjust.
16394 * src/reader.c (packgram): Likewise.
16395 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
16396 `Type'.
16397 (muscle_insert_int_table): Remove, unused.
16398 (prepare_rules): Remove `max'.
16399
16400 2002-05-06 Akim Demaille <akim@epita.fr>
16401
16402 * src/closure.c (print_firsts): Display of the symbol tags.
16403 (bitmatrix_print): Move to...
16404 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
16405 here.
16406 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
16407
16408 2002-05-06 Akim Demaille <akim@epita.fr>
16409
16410 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
16411 hash_do_for_each.
16412
16413 2002-05-06 Akim Demaille <akim@epita.fr>
16414
16415 * src/LR0.c (new_state, get_state): Instead of using the global
16416 `kernel_size' and `kernel_base', have two new arguments:
16417 `core_size' and `core'.
16418 Adjust callers.
16419
16420 2002-05-06 Akim Demaille <akim@epita.fr>
16421
16422 * src/reader.c (packgram): No longer end `ritem' with a 0
16423 sentinel: it is not used.
16424
16425 2002-05-05 Akim Demaille <akim@epita.fr>
16426
16427 New experimental feature: display the lookaheads in the report and
16428 graph.
16429
16430 * src/print (print_core): When --trace-flag, display the rules
16431 lookaheads.
16432 * src/print_graph.c (print_core): Likewise.
16433 Swap the arguments.
16434 Adjust caller.
16435
16436 2002-05-05 Akim Demaille <akim@epita.fr>
16437
16438 * tests/torture.at (Many lookaheads): New test.
16439
16440 2002-05-05 Akim Demaille <akim@epita.fr>
16441
16442 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
16443 (GENERATE_MUSCLE_INSERT_TABLE): this.
16444 (output_int_table, output_unsigned_int_table, output_short_table)
16445 (output_token_number_table, output_item_number_table): Replace with...
16446 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
16447 (muscle_insert_short_table, muscle_insert_token_number_table)
16448 (muscle_insert_item_number_table): these.
16449 Adjust all callers.
16450 (prepare_tokens): Don't free `translations', since...
16451 * src/reader.h, src/reader.c (grammar_free): do it.
16452 Move to...
16453 * src/gram.h, src/gram.c (grammar_free): here.
16454 * data/bison.simple, data/bison.c++: b4_token_number_max is now
16455 b4_translate_max.
16456
16457 2002-05-05 Akim Demaille <akim@epita.fr>
16458
16459 * src/output.c (output_unsigned_int_table): New.
16460 (prepare_rules): `i' is unsigned.
16461 `prhs', `rline', `r2' are unsigned int.
16462 Rename muscle `rhs_number_max' as `rhs_max'.
16463 Output muscles `prhs_max', `rline_max', and `r2_max'.
16464 Free rline and r1.
16465 * data/bison.simple, data/bison.c++: Adjust to use these muscles
16466 to compute types instead of constant types.
16467 * tests/regression.at (Web2c Actions): Adjust.
16468
16469 2002-05-04 Akim Demaille <akim@epita.fr>
16470
16471 * src/symtab.h (SALIAS, SUNDEF): Rename as...
16472 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
16473 Adjust dependencies.
16474 * src/output.c (token_definitions_output): Be sure not to output a
16475 `#define 'a'' when fed with `%token 'a' "a"'.
16476 * tests/regression.at (Token definitions): New.
16477
16478 2002-05-03 Paul Eggert <eggert@twinsun.com>
16479
16480 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
16481 for K&R C.
16482
16483 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
16484
16485 * Makefile.am (SUBDIRS): Remove intl.
16486 (EXTRA_DIST): Add config/config.rpath.
16487
16488 2002-05-03 Akim Demaille <akim@epita.fr>
16489
16490 * data/bison.simple (m4_if): Don't output empty enums.
16491 And actually, output valid enum definitions :(.
16492
16493 2002-05-03 Akim Demaille <akim@epita.fr>
16494
16495 * configure.bat: Remove, completely obsolete.
16496 * Makefile.am (EXTRA_DIST): Adjust.
16497 Don't distribute config.rpath...
16498 * config/Makefile.am (EXTRA_DIST): Do it.
16499
16500 2002-05-03 Akim Demaille <akim@epita.fr>
16501
16502 * configure.in (GETTEXT_VERSION): New.
16503 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
16504
16505 2002-05-03 Akim Demaille <akim@epita.fr>
16506
16507 * data/bison.simple (b4_token_enum): New.
16508 (b4_token_defines): Use it to output tokens both as #define and
16509 enums.
16510 Suggested by Paul Eggert.
16511 * src/output.c (token_definitions_output): Don't output spurious
16512 white spaces.
16513
16514 2002-05-03 Akim Demaille <akim@epita.fr>
16515
16516 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16517
16518 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
16519
16520 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
16521 Update the stack class, give a try to deque as the default container.
16522
16523 2002-05-02 Akim Demaille <akim@epita.fr>
16524
16525 * data/bison.simple (yyparse): Do not implement @$ = @1.
16526 (YYLLOC_DEFAULT): Adjust to do it.
16527 * doc/bison.texinfo (Location Default Action): Fix.
16528
16529 2002-05-02 Akim Demaille <akim@epita.fr>
16530
16531 * src/reader.c (parse_braces): Merge into...
16532 (parse_action): this.
16533
16534 2002-05-02 Akim Demaille <akim@epita.fr>
16535
16536 * configure.in (ALL_LINGUAS): Remove.
16537 * po/LINGUAS, hr.po: New.
16538
16539 2002-05-02 Akim Demaille <akim@epita.fr>
16540
16541 Remove the so called hairy (semantic) parsers.
16542
16543 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
16544 * src/gram.h, src/gram.c (semantic_parser): Remove.
16545 (rule_t): Remove the guard and guard_line members.
16546 * src/lex.h (token_t): remove tok_guard.
16547 * src/options.c (option_table): Remove %guard and %semantic_parser
16548 support.
16549 * src/output.c, src/output.h (guards_output): Remove.
16550 (prepare): Adjust.
16551 (token_definitions_output): Don't output the `T'
16552 tokens (???).
16553 (output_skeleton): Don't output the guards.
16554 * src/files.c, src/files.c (attrsfile): Remove.
16555 * src/reader.c (symbol_list): Remove the guard and guard_line
16556 members.
16557 Adjust dependencies.
16558 (parse_guard): Remove.
16559 * data/bison.hairy: Remove.
16560 * doc/bison.texinfo (Environment Variables): Remove occurrences of
16561 BISON_HAIRY.
16562
16563 2002-05-02 Akim Demaille <akim@epita.fr>
16564
16565 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
16566 (parse_guard): Rename the formal argument `stack_offset' as
16567 `rule_length', which is more readable.
16568 Adjust callers.
16569 (copy_at, copy_dollar): Instead of outputting the hard coded
16570 values of $$, $n and so forth, output invocation to b4_lhs_value,
16571 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
16572 Note: this patch partially drops `semantic-parser' support: it
16573 always does `rule_length - n', where semantic parsers ought to
16574 always use `-n'.
16575 * data/bison.simple, data/bison.c++ (b4_lhs_value)
16576 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
16577
16578 2002-05-02 Akim Demaille <akim@epita.fr>
16579
16580 * configure.in (AC_INIT): Bump to 1.49b.
16581 (AM_INIT_AUTOMAKE): Short invocation.
16582
16583 2002-05-02 Akim Demaille <akim@epita.fr>
16584
16585 Version 1.49a.
16586
16587 2002-05-01 Akim Demaille <akim@epita.fr>
16588
16589 * src/skeleton.h: Remove.
16590
16591 2002-05-01 Akim Demaille <akim@epita.fr>
16592
16593 * src/skeleton.h: Fix the #endif.
16594 Reported by Magnus Fromreide.
16595
16596 2002-04-26 Paul Eggert <eggert@twinsun.com>
16597
16598 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
16599 Define if we define YYSTYPE and YYLTYPE, respectively.
16600 (YYCOPY): Fix [] quoting problem in the non-GCC case.
16601
16602 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
16603
16604 * src/scan-skel.l: Postprocess quadrigraphs.
16605
16606 * src/reader.c (copy_character): New function, used to output
16607 single characters while replacing `[' and `]' with quadrigraphs, to
16608 avoid troubles with M4 quotes.
16609 (copy_comment): Output characters with copy_character.
16610 (read_additionnal_code): Likewise.
16611 (copy_string2): Likewise.
16612 (copy_definition): Likewise.
16613
16614 * tests/calc.at: Exercise M4 quoting.
16615
16616 2002-04-25 Akim Demaille <akim@epita.fr>
16617
16618 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
16619 between `!' and the command.
16620 Reported by Paul Eggert.
16621
16622 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
16623
16624 * tests/calc.at: Exercise prologue splitting.
16625
16626 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
16627 `b4_post_prologue' instead of `b4_prologue'.
16628
16629 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
16630 muscles.
16631 (output): Free pre_prologue_obstack and post_prologue_obstack.
16632 * src/files.h, src/files.c (attrs_obstack): Remove.
16633 (pre_prologue_obstack, post_prologue_obstack): New.
16634 * src/reader.c (copy_definition): Add a parameter to specify the
16635 obstack to fill, instead of using attrs_obstack unconditionally.
16636 (read_declarations): Pass pre_prologue_obstack to copy_definition if
16637 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
16638
16639 2002-04-23 Paul Eggert <eggert@twinsun.com>
16640
16641 * data/bison.simple: Remove unnecessary commentary and white
16642 space differences from 1_29-branch.
16643 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
16644
16645 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
16646 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
16647 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
16648 constructors or destructors.
16649
16650 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
16651
16652 2002-04-23 Akim Demaille <akim@epita.fr>
16653
16654 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
16655 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
16656 location with columns.
16657 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
16658 All reported by Paul Eggert.
16659
16660 2002-04-22 Akim Demaille <akim@epita.fr>
16661
16662 * src/reduce.c (dump_grammar): Move to...
16663 * src/gram.h, src/gram.c (grammar_dump): here.
16664 Be sure to separate long item numbers.
16665 Don't read the members of a rule's prec if its nil.
16666
16667 2002-04-22 Akim Demaille <akim@epita.fr>
16668
16669 * src/output.c (table_size, table_grow): New.
16670 (MAXTABLE): Remove, replace uses with table_size.
16671 (pack_vector): Instead of dying when the table is too big, grow it.
16672
16673 2002-04-22 Akim Demaille <akim@epita.fr>
16674
16675 * data/bison.simple (yyr1): Its type is that of a token number.
16676 * data/bison.c++ (r1_): Likewise.
16677 * tests/regression.at (Web2c Actions): Adjust.
16678
16679 2002-04-22 Akim Demaille <akim@epita.fr>
16680
16681 * src/reader.c (token_translations_init): 256 is now the default
16682 value for the error token, i.e., it will be assigned another
16683 number if the user assigned 256 to one of her tokens.
16684 (reader): Don't force 256 to error.
16685 * doc/bison.texinfo (Symbols): Adjust.
16686 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
16687 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
16688 etc. instead of 10, 20, 30 (which was used to `jump' over error
16689 (256) and undefined (2)).
16690
16691 2002-04-22 Akim Demaille <akim@epita.fr>
16692
16693 Propagate more token_number_t.
16694
16695 * src/gram.h (token_number_as_item_number)
16696 (item_number_as_token_number): New.
16697 * src/output.c (GENERATE_OUTPUT_TABLE): New.
16698 Use it to create output_item_number_table and
16699 output_token_number_table.
16700 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16701 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
16702 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
16703 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
16704
16705 2002-04-22 Akim Demaille <akim@epita.fr>
16706
16707 * src/output.h, src/output.c (get_lines_number): Remove.
16708
16709 2002-04-19 Akim Demaille <akim@epita.fr>
16710
16711 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
16712 as Lex/Flex'.
16713 (Debugging): More details about enabling the debugging features.
16714 (Table of Symbols): Describe $$, $n, @$, and @n.
16715 Suggested by Tim Josling.
16716
16717 2002-04-19 Akim Demaille <akim@epita.fr>
16718
16719 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
16720
16721 2002-04-10 Akim Demaille <akim@epita.fr>
16722
16723 * src/system.h: Rely on HAVE_LIMITS_H.
16724 Suggested by Paul Eggert.
16725
16726 2002-04-09 Akim Demaille <akim@epita.fr>
16727
16728 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
16729 full stderr, and strip it according to the bison options, instead
16730 of composing the error message from different bits.
16731 This makes it easier to check for several error messages.
16732 Adjust all the invocations.
16733 Add an invocation exercising the error token.
16734 Add an invocation demonstrating a stupid error message.
16735 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
16736 Adjust the tests.
16737 Error message are for stderr, not stdout.
16738
16739 2002-04-09 Akim Demaille <akim@epita.fr>
16740
16741 * src/gram.h, src/gram.c (error_token_number): Remove, use
16742 errtoken->number.
16743 * src/reader.c (reader): Don't specify the user token number (2)
16744 for $undefined, as it uselessly prevents using it.
16745 * src/gram.h (token_number_t): Move to...
16746 * src/symtab.h: here.
16747 (state_t.number): Is a token_number_t.
16748 * src/print.c, src/reader.c: Use undeftoken->number instead of
16749 hard coded 2.
16750 (Even though this 2 is not the same as above: the number of the
16751 undeftoken remains being 2, it is its user token number which
16752 might not be 2).
16753 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
16754 `user_token_number_max'.
16755 Output `undef_token_number'.
16756 * data/bison.simple, data/bison.c++: Use them.
16757 Be sure to map invalid yylex return values to
16758 `undef_token_number'. This saves us from gratuitous SEGV.
16759
16760 * tests/conflicts.at (Solved SR Conflicts)
16761 (Unresolved SR Conflicts): Adjust.
16762 * tests/regression.at (Web2c Actions): Adjust.
16763
16764 2002-04-08 Akim Demaille <akim@epita.fr>
16765
16766 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
16767 Adding #line.
16768 Remove the duplicate `typedefs'.
16769 (RhsNumberType): Fix the declaration and various other typos.
16770 Use __ofile__.
16771 * data/bison.simple: Use __ofile__.
16772 * src/scan-skel.l: Handle __ofile__.
16773
16774 2002-04-08 Akim Demaille <akim@epita.fr>
16775
16776 * src/gram.h (item_number_t): New, the type of item numbers in
16777 RITEM. Note that it must be able to code symbol numbers as
16778 positive number, and the negation of rule numbers as negative
16779 numbers.
16780 Adjust all dependencies (pretty many).
16781 * src/reduce.c (rule): Remove this `short *' pointer: use
16782 item_number_t.
16783 * src/system.h (MINSHORT, MAXSHORT): Remove.
16784 Include `limits.h'.
16785 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
16786 (shortcpy): Remove.
16787 (MAXTABLE): Move to...
16788 * src/output.c (MAXTABLE): here.
16789 (prepare_rules): Use output_int_table to output rhs.
16790 * data/bison.simple, data/bison.c++: Adjust.
16791 * tests/torture.at (Big triangle): Move the limit from 254 to
16792 500.
16793 * tests/regression.at (Web2c Actions): Ajust.
16794
16795 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
16796 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
16797 passes, but produces negative #line number, once fixed, GCC is
16798 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
16799 C), it passes.
16800 * src/state.h (state_h): Code input lines on ints, not shorts.
16801
16802 2002-04-08 Akim Demaille <akim@epita.fr>
16803
16804 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
16805 and then the grammar.
16806
16807 2002-04-08 Akim Demaille <akim@epita.fr>
16808
16809 * src/system.h: No longer using strndup.
16810
16811 2002-04-07 Akim Demaille <akim@epita.fr>
16812
16813 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
16814 * src/output.c (output_table_data): Return the longest number.
16815 (prepare_tokens): Output `token_number_max').
16816 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
16817 New.
16818 Use them to define yy_token_number_type/TokenNumberType.
16819 Use this type for yytranslate.
16820 * tests/torture.at (Big triangle): Push the limit from 124 to
16821 253.
16822 * tests/regression.at (Web2c Actions): Adjust.
16823
16824 2002-04-07 Akim Demaille <akim@epita.fr>
16825
16826 * tests/torture.at (Big triangle): New.
16827 (GNU AWK Grammar, GNU Cim Grammar): Move to...
16828 * tests/existing.at: here.
16829
16830 2002-04-07 Akim Demaille <akim@epita.fr>
16831
16832 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
16833 nritems.
16834 Adjust dependencies.
16835
16836 2002-04-07 Akim Demaille <akim@epita.fr>
16837
16838 * src/reader.c: Normalize increments to prefix form.
16839
16840 2002-04-07 Akim Demaille <akim@epita.fr>
16841
16842 * src/reader.c, symtab.c: Remove debugging code.
16843
16844 2002-04-07 Akim Demaille <akim@epita.fr>
16845
16846 Rename all the `bucket's as `symbol_t'.
16847
16848 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
16849 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
16850 * src/symtab.c, src/symtab.h (bucket): Rename as...
16851 (symbol_t): this.
16852 (symbol_list_new, bucket_check_defined, bucket_make_alias)
16853 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
16854 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
16855 (buckets_new, buckets_free, buckets_do): Rename as...
16856 (symbol_list_new, symbol_check_defined, symbol_make_alias)
16857 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16858 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
16859 (symbols_new, symbols_free, symbols_do): these.
16860
16861 2002-04-07 Akim Demaille <akim@epita.fr>
16862
16863 Use lib/hash for the symbol table.
16864
16865 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
16866 EOF.
16867 * src/lex.c (lex): Set the `number' member of new terminals.
16868 * src/reader.c (bucket_check_defined, bucket_make_alias)
16869 (bucket_check_alias_consistence, bucket_translation): New.
16870 (reader, grammar_free, readgram, token_translations_init)
16871 (packsymbols): Adjust.
16872 (reader): Number the predefined tokens.
16873 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
16874 for predefined tokens.
16875 * src/symtab.h (bucket): Remove all the hash table related
16876 members.
16877 * src/symtab.c (symtab): Replace by...
16878 (bucket_table): this.
16879 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
16880 (buckets_new, buckets_do): New.
16881
16882 2002-04-07 Akim Demaille <akim@epita.fr>
16883
16884 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
16885 (start_symbol, max_user_token_number, semantic_parser)
16886 (error_token_number): Initialize.
16887 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
16888 Initialize.
16889 (reader): Don't.
16890 (errtoken, eoftoken, undeftoken, axiom): Extern.
16891
16892 2002-04-07 Akim Demaille <akim@epita.fr>
16893
16894 * src/gram.h (rule_s): prec and precsym are now pointers
16895 to the bucket giving the priority/associativity.
16896 Member `associativity' removed: useless.
16897 * src/reduce.c, src/conflicts.c: Adjust.
16898
16899 2002-04-07 Akim Demaille <akim@epita.fr>
16900
16901 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
16902 Properly escape the symbols' TAG when outputting them.
16903
16904 2002-04-07 Akim Demaille <akim@epita.fr>
16905
16906 * src/lalr.h (LA): Is a bitsetv, not bitset*.
16907
16908 2002-04-07 Akim Demaille <akim@epita.fr>
16909
16910 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
16911 (LArule): this, which is an array to rule_t*.
16912 * src/print.c, src/conflicts.c: Adjust.
16913
16914 2002-04-07 Akim Demaille <akim@epita.fr>
16915
16916 * src/gram.h (rule_t): Rename `number' as `user_number'.
16917 `number' is a new member.
16918 Adjust dependencies.
16919 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
16920
16921 2002-04-07 Akim Demaille <akim@epita.fr>
16922
16923 As a result of the previous patch, it is no longer needed
16924 to reorder ritem itself.
16925
16926 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
16927
16928 2002-04-07 Akim Demaille <akim@epita.fr>
16929
16930 Be sure never to walk through RITEMS, but use only data related to
16931 the rules themselves. RITEMS should be banished.
16932
16933 * src/output.c (output_token_translations): Rename as...
16934 (prepare_tokens): this.
16935 In addition to `translate', prepare the muscles `tname' and
16936 `toknum', which were handled by...
16937 (output_rule_data): this.
16938 Remove, and move the remainder of its outputs into...
16939 (prepare_rules): this new routines, which also merges content from
16940 (output_gram): this.
16941 (prepare_rules): Be sure never to walk through RITEMS.
16942 (output_stos): Rename as...
16943 (prepare_stos): this.
16944 (output): Always invoke prepare_states, after all, just don't use it
16945 in the output if you don't need it.
16946
16947 2002-04-07 Akim Demaille <akim@epita.fr>
16948
16949 * src/LR0.c (new_state): Display `nstates' as the name of the
16950 newly created state.
16951 Adjust to initialize first_state and last_state if needed.
16952 Be sure to distinguish the initial from the final state.
16953 (new_states): Create the itemset of the initial state, and use
16954 new_state.
16955 * src/closure.c (closure): Now that the initial state has its
16956 items properly set, there is no need for a special case when
16957 creating `ruleset'.
16958
16959 As a result, now the rule 0, reducing to $axiom, is visible in the
16960 outputs. Adjust the test suite.
16961
16962 * tests/conflicts.at (Solved SR Conflicts)
16963 (Unresolved SR Conflicts): Adjust.
16964 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
16965 * tests/conflicts.at (S/R in initial): New.
16966
16967 2002-04-07 Akim Demaille <akim@epita.fr>
16968
16969 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
16970 the RHS of the rules.
16971 * src/output.c (output_gram): Likewise.
16972
16973 2002-04-07 Akim Demaille <akim@epita.fr>
16974
16975 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
16976 bucket.
16977 Adjust all dependencies.
16978 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
16979 `number' of the buckets too.
16980 * src/gram.h: Include `symtab.h'.
16981 (associativity): Move to...
16982 * src/symtab.h: here.
16983 No longer include `gram.h'.
16984
16985 2002-04-07 Akim Demaille <akim@epita.fr>
16986
16987 * src/gram.h, src/gram.c (rules_rhs_length): New.
16988 (ritem_longest_rhs): Use it.
16989 * src/gram.h (rule_t): `number' is a new member.
16990 * src/reader.c (packgram): Set it.
16991 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
16992 the end of `rules', and count them out of `nrules'.
16993 (reduce_output, dump_grammar): Adjust.
16994 * src/print.c (print_grammar): It is no longer needed to check for
16995 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
16996 * tests/reduce.at (Reduced Automaton): New test.
16997
16998 2002-04-07 Akim Demaille <akim@epita.fr>
16999
17000 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
17001 lacking `+ 1' to nrules, Bison reported as useless a token if it
17002 was used solely to set the precedence of the last rule...
17003
17004 2002-04-07 Akim Demaille <akim@epita.fr>
17005
17006 * data/bison.c++, data/bison.simple: Don't output the current file
17007 name in #line, to avoid useless diffs between two identical
17008 outputs under different names.
17009
17010 2002-04-07 Akim Demaille <akim@epita.fr>
17011
17012 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
17013 Normalize loops to using `< nrules + 1', not `<= nrules'.
17014
17015 2002-04-07 Akim Demaille <akim@epita.fr>
17016
17017 * TODO: Update.
17018
17019 2002-04-07 Akim Demaille <akim@epita.fr>
17020
17021 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
17022 bucket.value as bucket.number.
17023
17024 2002-04-07 Akim Demaille <akim@epita.fr>
17025
17026 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
17027 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17028 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
17029 RHS, instead of being an index in RITEMS.
17030
17031 2002-04-04 Paul Eggert <eggert@twinsun.com>
17032
17033 * doc/bison.texinfo: Update copyright date.
17034 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
17035 (Symbols): Warn about running Bison in one character set,
17036 but compiling and/or running in an incompatible one.
17037 Warn about character code 256, too.
17038
17039 2002-04-03 Paul Eggert <eggert@twinsun.com>
17040
17041 * src/bison.data (YYSTACK_ALLOC): Depend on whether
17042 YYERROR_VERBOSE is nonzero, not whether it is defined.
17043
17044 Merge changes from bison-1_29-branch.
17045
17046 2002-03-20 Paul Eggert <eggert@twinsun.com>
17047
17048 Merge fixes from Debian bison_1.34-1.diff.
17049
17050 * configure.in (AC_PREREQ): 2.53.
17051
17052 2002-03-20 Akim Demaille <akim@epita.fr>
17053
17054 * src/conflicts.c (log_resolution): Argument `resolution' is const.
17055
17056 2002-03-19 Paul Eggert <eggert@twinsun.com>
17057
17058 * src/bison.simple (YYCOPY): New macro.
17059 (YYSTACK_RELOCATE): Use it.
17060 Remove Type arg; no longer needed. All callers changed.
17061 (yymemcpy): Remove; no longer needed.
17062
17063 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
17064 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
17065
17066 2002-03-19 Akim Demaille <akim@epita.fr>
17067
17068 Test and fix the #line outputs.
17069
17070 * tests/atlocal.at (GCC): New.
17071 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
17072 (Prologue synch line, %union synch line, Postprologue synch line)
17073 (Action synch line, Epilogue synch line): New tests.
17074 * src/reader.c (parse_union_decl): Define the muscle stype_line.
17075 * data/bison.simple, data/bison.c++: Use it.
17076
17077 2002-03-19 Akim Demaille <akim@epita.fr>
17078
17079 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
17080 (Solved SR Conflicts, %expect not enough, %expect right)
17081 (%expect too much): Move to...
17082 * tests/conflicts.at: this new file.
17083
17084 2002-03-19 Akim Demaille <akim@epita.fr>
17085
17086 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17087 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
17088 that we can move to enums for instance.
17089 * src/output.c (token_definitions_output): Output a list of
17090 `token-name, token-number' instead of the #define.
17091 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
17092
17093 2002-03-14 Akim Demaille <akim@epita.fr>
17094
17095 Use Gettext 0.11.1.
17096
17097 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
17098
17099 * data/bison.c++: Make the user able to add members to the generated
17100 parser by subclassing.
17101
17102 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
17103
17104 * src/reader.c (read_additionnal_code): `c' should be an integer, not
17105 a character.
17106 Reported by Nicolas Tisserand and Nicolas Burrus.
17107
17108 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17109
17110 * src/reader.c: Warn about lacking semi-colons, do not complain.
17111
17112 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17113
17114 * data/bison.c++: Remove a debug line.
17115
17116 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17117
17118 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
17119 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
17120 provide a default implementation.
17121
17122 2002-03-04 Akim Demaille <akim@epita.fr>
17123
17124 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
17125 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
17126 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
17127 * tests/semantic.at (Parsing Guards): Similarly.
17128 * src/reader.at (readgram): Complain if the last rule is not ended
17129 with a semi-colon.
17130
17131 2002-03-04 Akim Demaille <akim@epita.fr>
17132
17133 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
17134 * src/closure.c: here.
17135 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
17136 RTC.
17137 * src/warshall.h, src/warshall.c: Remove.
17138 * tests/sets.at (Broken Closure): Adjust.
17139
17140 2002-03-04 Akim Demaille <akim@epita.fr>
17141
17142 * src/output.c (output_skeleton): tempdir is const.
17143 bytes_read is unused.
17144
17145 2002-03-04 Akim Demaille <akim@epita.fr>
17146
17147 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17148 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
17149 Update.
17150 From Michael Hayes.
17151
17152 2002-03-04 Akim Demaille <akim@epita.fr>
17153
17154 * src/closure.c (closure): `r' is unused.
17155
17156 2002-03-04 Akim Demaille <akim@epita.fr>
17157
17158 * tests/sets.at (Broken Closure): Add the ending `;'.
17159 * src/reader.at (readgram): Complain if a rule is not ended with a
17160 semi-colon.
17161
17162 2002-03-04 Akim Demaille <akim@epita.fr>
17163
17164 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
17165 (count_sr_conflicts): Use bitset_count.
17166 * src/reduce.c (inaccessable_symbols): Ditto.
17167 (bits_size): Remove.
17168 * src/warshall.h, src/warshall.c: Convert to bitsetv.
17169
17170 2002-03-04 Akim Demaille <akim@epita.fr>
17171
17172 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
17173 * src/reduce.c: Remove the `bitset_zero's following the
17174 `bitset_create's, as now it is performed by the latter.
17175
17176 2002-03-04 Akim Demaille <akim@epita.fr>
17177
17178 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
17179 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
17180 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
17181 latest sources from Michael.
17182
17183 2002-03-04 Akim Demaille <akim@epita.fr>
17184
17185 * src/output.c (output): Don't free the grammar.
17186 * src/reader.c (grammar_free): New.
17187 * src/main.c (main): Call it and don't free symtab here.
17188
17189 2002-03-04 Akim Demaille <akim@epita.fr>
17190
17191 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
17192 before returning.
17193 Reported by Benoit Perrot.
17194
17195 2002-03-04 Akim Demaille <akim@epita.fr>
17196
17197 Use bitset operations when possible, not loops over bits.
17198
17199 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
17200 bitset_or.
17201 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
17202 * src/reduce.c (useless_nonterminals): Formatting changes.
17203 * src/warshall.c (TC): Use bitset_or.
17204
17205 2002-03-04 Akim Demaille <akim@epita.fr>
17206
17207 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
17208 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
17209 Ditto.
17210
17211 2002-03-04 Akim Demaille <akim@epita.fr>
17212
17213 * src/lalr.c (F): Now a bitset*.
17214 Adjust all dependencies.
17215
17216 2002-03-04 Akim Demaille <akim@epita.fr>
17217
17218 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
17219 Adjust all dependencies.
17220
17221 2002-03-04 Akim Demaille <akim@epita.fr>
17222
17223 * src/L0.c, src/LR0.h (nstates): Be size_t.
17224 Adjust comparisons (signed vs unsigned).
17225 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
17226 bitset*.
17227 Adjust all dependencies.
17228
17229 2002-03-04 Akim Demaille <akim@epita.fr>
17230
17231 * src/closure.c (firsts): Now, also a bitset.
17232 Adjust all dependencies.
17233 (varsetsize): Remove, now unused.
17234 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
17235
17236 2002-03-04 Akim Demaille <akim@epita.fr>
17237
17238 * src/print.c: Convert to use bitset.h, not hand coded iterations
17239 over ints.
17240
17241 2002-03-04 Akim Demaille <akim@epita.fr>
17242
17243 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
17244
17245 2002-03-04 Akim Demaille <akim@epita.fr>
17246
17247 * src/closure.c (ruleset): Be a bitset.
17248 (rulesetsize): Remove.
17249
17250 2002-03-04 Akim Demaille <akim@epita.fr>
17251
17252 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17253 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
17254 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
17255 * src/closure.c (fderives): Be an array of bitsets.
17256
17257 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
17258
17259 * data/bison.c++: Merge the two generated headers. Insert a copyright
17260 notice in each output file.
17261
17262 2002-02-28 Akim Demaille <akim@epita.fr>
17263
17264 * data/bison.c++: Copy the prologue of bison.simple to fetch
17265 useful M4 definitions, such as b4_header_guard.
17266
17267 2002-02-25 Akim Demaille <akim@epita.fr>
17268
17269 * src/getargs.c (version): Give the name of the authors, and use a
17270 translator friendly scheme for the bgr
17271 copyright notice.
17272
17273 2002-02-25 Akim Demaille <akim@epita.fr>
17274
17275 * src/output.c (header_output): Remove, now handled completely via
17276 M4.
17277
17278 2002-02-25 Akim Demaille <akim@epita.fr>
17279
17280 * m4/m4.m4: New, from CVS Autoconf.
17281 * configure.in: Invoke it.
17282 * src/output.c (output_skeleton): Use its result instead of the
17283 hard coded name.
17284
17285 2002-02-25 Akim Demaille <akim@epita.fr>
17286
17287 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
17288 Fileutils 4.1.5.
17289 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
17290 * src/output.c (output_skeleton): Use mkstemp to create a real
17291 temporary file.
17292 Move the filling of `skeleton' and its muscle to...
17293 (prepare): here.
17294 (output): Move the definition of the prologue muscle to...
17295 (prepare): here.
17296 * src/system.h (DEFAULT_TMPDIR): New.
17297
17298 2002-02-14 Paul Eggert <eggert@twinsun.com>
17299
17300 Remove the support for C++ namespace cleanliness; it was
17301 causing more problems than it was curing, since it didn't work
17302 properly on some nonstandard C++ compilers. This can wait
17303 for a proper C++ parser.
17304
17305 * NEWS: Document this.
17306 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
17307 of C++, as it's treated like C now.
17308 * src/bison.simple (YYSTD): Remove.
17309 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
17310 Treat C++ just like Standard C instead of trying to support
17311 namespace cleanliness.
17312
17313 2002-02-14 Akim Demaille <akim@epita.fr>
17314
17315 * tests/regression.at (else): Adjust to Andreas' change.
17316
17317 2002-02-14 Akim Demaille <akim@epita.fr>
17318
17319 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
17320
17321 2002-02-13 Andreas Schwab <schwab@suse.de>
17322
17323 * src/output.c (output_rule_data): Don't output NULL, it might
17324 not be defined yet.
17325
17326 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
17327
17328 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
17329 (Copyright notice): Update.
17330
17331 2002-02-11 Akim Demaille <akim@epita.fr>
17332
17333 * tests/regression.at (%nonassoc and eof): Don't include
17334 nonportable headers.
17335
17336 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
17337
17338 * data/bison.c++: Correct error recovery. Make the user able to
17339 initialize the starting location.
17340
17341 2002-02-07 Akim Demaille <akim@epita.fr>
17342
17343 * tests/input.at: New.
17344
17345 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17346
17347 * data/bison.c++: Replace some direct m4 expansions by constants. Be
17348 more consistent when naming methods and variables. Put preprocessor
17349 directives around tables only needed for debugging.
17350
17351 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17352
17353 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
17354 C++ parsers.
17355 (yy::b4_name::parse): Use print_.
17356
17357 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17358
17359 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
17360
17361 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17362
17363 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
17364 C++ parsers.
17365 (yy::b4_name::parse): Build verbose error messages, and use error_.
17366
17367 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17368
17369 * data/bison.c++: Fix m4 quoting in comments.
17370
17371 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17372
17373 * data/bison.c++: Adjust the parser code. Fix some muscles that were
17374 not expanded by m4.
17375
17376 2002-02-05 Akim Demaille <akim@epita.fr>
17377
17378 * data/bison.c++: Adjust to the M4 back end.
17379 More is certainly needed.
17380
17381 2002-02-05 Akim Demaille <akim@epita.fr>
17382
17383 Give a try to M4 as a back end.
17384
17385 * lib/readpipe.c: New, from wdiff.
17386 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
17387 BISON_HAIRY.
17388 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
17389 specific values. Now it is m4 that performs the lookup.
17390 * src/parse-skel.y: Remove.
17391 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
17392 * src/output.c (actions_output, guards_output)
17393 (token_definitions_output): No longer keeps track of the output
17394 line number, hence remove the second argument.
17395 (guards_output): Check against the guard member of a rule, not the
17396 action member.
17397 Adjust callers.
17398 (output_skeleton): Don't look for the skeleton location, let m4 do
17399 that.
17400 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
17401 file will be used.
17402 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
17403 (prepare): Given that for the time being changesyntax is not
17404 usable in M4, rename the muscles using `-' to `_'.
17405 Define `defines_flag', `output_parser_name' and `output_header_name'.
17406 * src/output.h (actions_output, guards_output)
17407 (token_definitions_output): Adjust prototypes.
17408 * src/scan-skel.l: Instead of scanning the skeletons, it now
17409 processes the output of m4: `__oline__' and `#output'.
17410 * data/bison.simple: Adjust to be used by M4(sugar).
17411 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
17412 to date.
17413 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
17414 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
17415 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
17416 shamelessly stolen from CVS Autoconf.
17417
17418 2002-02-05 Akim Demaille <akim@epita.fr>
17419
17420 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
17421 * configure.in: Check for the declarations of free and malloc.
17422 * src/muscle_tab.c: Adjust.
17423
17424 2002-02-05 Akim Demaille <akim@epita.fr>
17425
17426 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
17427 which have no values.
17428
17429 2002-02-05 Akim Demaille <akim@epita.fr>
17430
17431 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
17432 * data/: here.
17433
17434 2002-01-29 Paul Eggert <eggert@twinsun.com>
17435
17436 * src/bison.simple (YYSIZE_T): Do not define merely because
17437 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
17438 On some platforms, <alloca.h> does not declare YYSTD (size_t).
17439
17440 2002-01-27 Akim Demaille <akim@epita.fr>
17441
17442 Fix `%nonassoc and eof'.
17443
17444 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
17445 which were not properly copied! Replace
17446 memcpy (res->errs, src->errs, src->nerrs);
17447 with
17448 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
17449 !!!
17450 * tests/regression.at (%nonassoc and eof): Adjust to newest
17451 Autotest: `.' is not in the PATH.
17452
17453 2002-01-27 Akim Demaille <akim@epita.fr>
17454
17455 * tests/sets.at (AT_EXTRACT_SETS): New.
17456 (Nullable): Use it.
17457 (Firsts): New.
17458
17459 2002-01-26 Akim Demaille <akim@epita.fr>
17460
17461 * tests/actions.at, tests/calc.at, tests/headers.at,
17462 * tests/torture.at: Adjust to the newest Autotest which no longer
17463 forces `.' in the PATH.
17464
17465 2002-01-25 Akim Demaille <akim@epita.fr>
17466
17467 * tests/regression.at (%nonassoc and eof): New.
17468 Suggested by Robert Anisko.
17469
17470 2002-01-24 Akim Demaille <akim@epita.fr>
17471
17472 Bison dumps core when trying to complain about broken input files.
17473 Reported by Cris van Pelt.
17474
17475 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
17476 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
17477 into...
17478 (Invalid inputs): Strengthen: exercise parse_percent_token.
17479
17480 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
17481
17482 * src/Makefile.am: Add bison.c++.
17483 * src/bison.c++: New skeleton.
17484
17485 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
17486
17487 * po/it.po: New.
17488
17489 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
17490
17491 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
17492
17493 2002-01-20 Marc Autret <marc@gnu.org>
17494
17495 * src/files.c (compute_output_file_names): Fix
17496
17497 2002-01-20 Marc Autret <marc@gnu.org>
17498
17499 * tests/output.at: New test.
17500 * src/files.c (compute_base_names): Don't map extensions when
17501 the YACC flag is set, use defaults.
17502 Reported by Evgeny Stambulchik.
17503
17504 2002-01-20 Marc Autret <marc@gnu.org>
17505
17506 * src/system.h: Need to define __attribute__ away for non-GCC
17507 compilers as well (i.e., the vendor C compiler).
17508 Suggested by Albert Chin-A-Young.
17509
17510 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
17511
17512 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
17513 canonical definition.
17514 * src/system.h: Use the canonical definition for PARAMS (avoids
17515 a conflict with the macro from lib/hash.h).
17516
17517 2002-01-11 Akim Demaille <akim@epita.fr>
17518
17519 * configure.in: Use AC_FUNC_STRNLEN.
17520 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
17521
17522 2002-01-09 Akim Demaille <akim@epita.fr>
17523
17524 * src/files.c, src/files.h (output_infix): New.
17525 (tab_extension): Remove.
17526 (compute_base_names): Compute the former, drop the latter.
17527 * src/output.c (prepare): Insert the muscles `output-infix', and
17528 `output-suffix'.
17529 * src/parse-skel.y (string, string.1): New.
17530 (section.header): Use it.
17531 (section.yacc): Remove.
17532 (prefix): Remove too.
17533 * src/scan-skel.l: Adjust.
17534 * src/bison.simple, src/bison.hairy: Adjust.
17535
17536 2002-01-09 Akim Demaille <akim@epita.fr>
17537
17538 * configure.in (WERROR_CFLAGS): Compute it.
17539 * src/Makefile.am (CFLAGS): Pass it.
17540 * tests/atlocal.in (CFLAGS): Idem.
17541 * src/files.c: Fix a few warnings.
17542 (get_extension_index): Remove, unused.
17543
17544 2002-01-08 Akim Demaille <akim@epita.fr>
17545
17546 * src/getargs.c (AS_FILE_NAME): New.
17547 (getargs): Use it to convert DOSish file names.
17548 * src/files.c (base_name): Rename as full_base_name to avoid
17549 clashes with `base_name ()'.
17550 (filename_split): New.
17551 (compute_base_names): N-th rewrite, using filename_split.
17552
17553 2002-01-08 Akim Demaille <akim@epita.fr>
17554
17555 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
17556 New, stolen from the Fileutils 4.1.
17557 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17558 * configure.in: Check for the presence of memrchr, and of its
17559 prototype.
17560
17561 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
17562
17563 * lib/hash.h (__P): Added definition for this macro.
17564 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
17565 BUILT_SOURCES, to ensure they are generated first.
17566 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
17567 %error-verbose to allow bootstrapping with bison 1.30x.
17568
17569 2002-01-06 Akim Demaille <akim@epita.fr>
17570
17571 * src/reader.c (parse_braces): Don't fetch the next char, the
17572 convention is to fetch on entry.
17573 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
17574 'switch' without a following semicolon.
17575 * tests/regression.at (braces parsing): New.
17576
17577 2002-01-06 Akim Demaille <akim@epita.fr>
17578
17579 Bison is dead wrong in its RR conflict reports.
17580
17581 * tests/torture.at (GNU Cim Grammar): New.
17582 * src/conflicts.c (count_rr_conflicts): Fix.
17583
17584 2002-01-06 Akim Demaille <akim@epita.fr>
17585
17586 Creating package.m4 from configure.ac causes too many problems.
17587
17588 * tests/Makefile.am (package.m4): Create it by hand,
17589 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
17590
17591 2002-01-06 Akim Demaille <akim@epita.fr>
17592
17593 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
17594 skeleton.h.
17595
17596 2002-01-04 Paul Eggert <eggert@twinsun.com>
17597
17598 * doc/bison.texinfo (Debugging):
17599 Remove YYSTDERR; it's no longer defined or used.
17600 Also, s/cstdio.h/cstdio/.
17601
17602 2002-01-03 Akim Demaille <akim@epita.fr>
17603
17604 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
17605
17606 2002-01-03 Akim Demaille <akim@epita.fr>
17607
17608 * src/parse-skel.y (process_skeleton): Don't bind the parser's
17609 tracing code to --trace, wait for a better --trace option, with
17610 args.
17611
17612 2002-01-03 Akim Demaille <akim@epita.fr>
17613
17614 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
17615 The ISO C++ standard is extremely clear about it: stderr is
17616 considered a macro, not a regular symbol (see table 94 `Header
17617 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
17618 Therefore std:: does not apply to it. It still does with fprintf.
17619 Also, s/cstdio.h/cstdio/.
17620
17621 2002-01-03 Akim Demaille <akim@epita.fr>
17622
17623 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
17624 for non system headers.
17625
17626 2002-01-02 Akim Demaille <akim@epita.fr>
17627
17628 Equip the skeleton chain with location tracking, runtime trace,
17629 pure parser and scanner.
17630
17631 * src/parse-skel.y: Request a pure parser, locations, and prefix
17632 renaming.
17633 (%union): Having several members with the same type does not help
17634 type mismatches, simplify.
17635 (YYPRINT, yyprint): New.
17636 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
17637 (skel_error): this.
17638 Handle locations.
17639 * src/scan-skel.l: Adjust to these changes.
17640 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
17641 (LOCATION_PRINT, skel_control_t): New.
17642
17643 2001-12-30 Akim Demaille <akim@epita.fr>
17644
17645 * src/parse-skel.y: Get rid of the shift/reduce conflict:
17646 replace `gb' with BLANKS.
17647 * src/scan-skel.l: Adjust.
17648
17649 2001-12-30 Akim Demaille <akim@epita.fr>
17650
17651 * src/system.h: We don't need nor want bcopy.
17652 Throw away MS-DOS crap: we don't need getpid.
17653 * configure.in: We don't need strndup. It was even causing
17654 problems: because Flex includes the headers *before* us,
17655 _GNU_SOURCE is not defined by config.h, and therefore strndup was
17656 not visible.
17657 * lib/xstrndup.c: New.
17658 * src/scan-skel.l: Use it.
17659 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
17660 * src/parse-skel.y: Use %directives instead of #defines.
17661
17662 2001-12-30 Akim Demaille <akim@epita.fr>
17663
17664 * src/skeleton.h: New.
17665 * src/output.c (output_parser, output_master_parser): Remove, dead
17666 code.
17667 * src/output.h (get_lines_number, actions_output, guards_output)
17668 (token_definitions_output): Prototype them.
17669 * src/parse-skel.y: Add the license notice.
17670 Include output.h and skeleton.h.
17671 (process_skeleton): Returns void, and takes a single parameter.
17672 * src/scan-skel.l: Add the license notice.
17673 Include skeleton.h.
17674 Don't use %option yylineno: it seems that then Flex imagines
17675 REJECT has been used, and therefore it won't reallocate its
17676 buffers (which makes no other sense to me than a bug). It results
17677 in warnings for `unused: yy_flex_realloc'.
17678
17679 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
17680
17681 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17682 (MUSCLE_INSERT_PREFIX): ...to there.
17683 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17684 (MUSCLE_INSERT_PREFIX): Move from here...
17685
17686 * src/bison.hairy: Add a section directive. Put braces around muscle
17687 names. This parser skeleton is still broken, but Bison should not
17688 choke on a bad muscle 'syntax'.
17689 * src/bison.simple: Add a section directive. Put braces around muscle
17690 names.
17691
17692 * src/files.h (strsuffix, stringappend): Add declarations.
17693 (tab_extension): Add declaration.
17694 (short_base_name): Add declaration.
17695
17696 * src/files.c (strsuffix, stringappend): No longer static. These
17697 functions are used in the skeleton parser.
17698 (tab_extension): New.
17699 (compute_base_names): Use the computations done in this function
17700 to guess if the generated parsers should have '.tab' in their
17701 names.
17702 (short_base_name): No longer static.
17703
17704 * src/output.c (output_skeleton): New.
17705 (output): Disable call to output_master_parser, and give a try to
17706 a new skeleton handling system.
17707 (guards_output, actions_output): No longer static.
17708 (token_definitions_output, get_lines_number): No longer static.
17709
17710 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
17711
17712 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
17713 parse-skel.y.
17714
17715 * src/parse-skel.y: New file.
17716 * src/scan-skel.l: New file.
17717
17718 2001-12-29 Akim Demaille <akim@epita.fr>
17719
17720 %name-prefix is broken.
17721
17722 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
17723 Adjust all dependencies.
17724 * tests/headers.at (export YYLTYPE): Strengthen this test: use
17725 %name-prefix.
17726
17727 Renaming yylval but not yylloc is not consistent. Now we do.
17728
17729 * src/bison.simple: Prefix yylloc if used.
17730 * doc/bison.texinfo (Decl Summary): Document that.
17731
17732 2001-12-29 Akim Demaille <akim@epita.fr>
17733
17734 * doc/bison.texinfo: Promote `%long-directive' over
17735 `%long_directive'.
17736 Remove all references to fixed-output-files, yacc is enough.
17737
17738 2001-12-29 Akim Demaille <akim@epita.fr>
17739
17740 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
17741 user prologue. These are defaults.
17742 * tests/actions.at (Mid-rule actions): Make sure the user can
17743 define YYDEBUG and YYERROR_VERBOSE.
17744
17745 2001-12-29 Akim Demaille <akim@epita.fr>
17746
17747 * src/output.c (header_output): Don't forget to export YYLTYPE and
17748 yylloc.
17749 * tests/headers.at (export YYLTYPE): New, make sure it does.
17750 * tests/regression.at (%union and --defines, Invalid CPP headers):
17751 Move to...
17752 * tests/headers.at: here.
17753
17754 2001-12-29 Akim Demaille <akim@epita.fr>
17755
17756 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
17757
17758 2001-12-29 Akim Demaille <akim@epita.fr>
17759
17760 * tests/actions.at (Mid-rule actions): Output on a single line
17761 instead of several.
17762
17763 2001-12-29 Akim Demaille <akim@epita.fr>
17764
17765 * doc/bison.texinfo: Formatting changes.
17766
17767 2001-12-29 Akim Demaille <akim@epita.fr>
17768
17769 Don't store the token defs in a muscle, just be ready to output it
17770 on command. Now possible via `symbols'. Fixes a memory leak.
17771
17772 * src/output.c (token_definitions_output): New.
17773 (output_parser, header_output): Use it.
17774 * src/reader.c (symbols_save): Remove.
17775
17776 2001-12-29 Akim Demaille <akim@epita.fr>
17777
17778 * src/bison.simple: Do not provide a default for YYSTYPE and
17779 YYLTYPE before the user's prologue. Otherwise it's hardly... a
17780 default.
17781
17782 2001-12-29 Akim Demaille <akim@epita.fr>
17783
17784 Mid-rule actions are simply... ignored!
17785
17786 * src/reader.c (readgram): Be sure to attach mid-rule actions to
17787 the empty-rule associated to the dummy symbol, not to the host
17788 rule.
17789 * tests/actions.at (Mid-rule actions): New.
17790
17791 2001-12-29 Akim Demaille <akim@epita.fr>
17792
17793 Memory leak.
17794
17795 * src/reader.c (reader): Free grammar.
17796
17797 2001-12-29 Akim Demaille <akim@epita.fr>
17798
17799 Memory leak.
17800
17801 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
17802 since it allocates it for each state, although only one is needed.
17803 (allocate_storage): Do it here.
17804
17805 2001-12-29 Akim Demaille <akim@epita.fr>
17806
17807 * src/options.h, src/options.c (create_long_option_table): Rename
17808 as...
17809 (long_option_table_new): this, with a clearer prototype.
17810 (percent_table): Remove, unused,
17811 * src/getargs.c (getargs): Adjust.
17812
17813 2001-12-29 Akim Demaille <akim@epita.fr>
17814
17815 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
17816 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
17817 as states.
17818
17819 2001-12-29 Akim Demaille <akim@epita.fr>
17820
17821 * src/lalr.c (build_relations): Rename `states' as `states1'.
17822 Sorry, I don't understand exactly what it is, no better name...
17823
17824 2001-12-29 Akim Demaille <akim@epita.fr>
17825
17826 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
17827 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
17828 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
17829 as rules.
17830
17831 2001-12-29 Akim Demaille <akim@epita.fr>
17832
17833 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
17834 ago.
17835
17836 2001-12-29 Akim Demaille <akim@epita.fr>
17837
17838 * src/reader.c, src/reader.h (user_toknums): Remove.
17839 Adjust all users to use symbols[i]->user_token_number.
17840
17841 2001-12-29 Akim Demaille <akim@epita.fr>
17842
17843 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
17844 Adjust all users to use symbols[i]->prec or ->assoc.
17845
17846 2001-12-29 Akim Demaille <akim@epita.fr>
17847
17848 * src/reader.c, src/reader.h (tags): Remove.
17849 Adjust all users to use symbols[i]->tag.
17850
17851 2001-12-29 Akim Demaille <akim@epita.fr>
17852
17853 * src/gram.h, src/gram.c (symbols): New, similar to state_table
17854 and rule_table.
17855 * src/reader.c (packsymbols): Fill this table.
17856 Drop sprec.
17857 * src/conflicts.c (resolve_sr_conflict): Adjust.
17858 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
17859 single table.
17860 Use symbols[i]->tag instead of tags[i].
17861
17862 2001-12-29 Akim Demaille <akim@epita.fr>
17863
17864 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
17865 In addition, put a comment in there, to replace...
17866 * tests/regression.at (%union and C comments): Remove.
17867
17868 2001-12-29 Akim Demaille <akim@epita.fr>
17869
17870 * tests/regression.at (Web2c Actions): Blindly move the actual
17871 output as expected output. The contents *seem* right to me, but I
17872 can't pretend reading perfectly parser tables... Nonetheless, all
17873 the other tests pass correctly, the table look OK, even though the
17874 presence of `$axiom' is to be noted: AFAICS it is useless (but
17875 harmless).
17876
17877 2001-12-29 Akim Demaille <akim@epita.fr>
17878
17879 * src/reader.c (readgram): Don't add the rule 0 if there were no
17880 rules read. In other words, add it _after_ having performed
17881 grammar sanity checks.
17882 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
17883
17884 2001-12-29 Akim Demaille <akim@epita.fr>
17885
17886 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
17887 visible, and some states have now a different number.
17888
17889 2001-12-29 Akim Demaille <akim@epita.fr>
17890
17891 * src/reader.c (readgram): Bind the initial rule's lineno to that
17892 of the first rule.
17893 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
17894 (Solved SR Conflicts): Adjust rule 0's line number.
17895
17896 2001-12-29 Akim Demaille <akim@epita.fr>
17897
17898 Fix the `GAWK Grammar' failure.
17899
17900 * src/LR0.c (final_state): Initialize to -1 so that we do compute
17901 the reductions of the first state which was mistakenly confused
17902 with the final state because precisely final_state was initialized
17903 to 0.
17904 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
17905 now noticed by Bison.
17906 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
17907 have a reduction on $default.
17908
17909 2001-12-29 Akim Demaille <akim@epita.fr>
17910
17911 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
17912 rule line numbers.
17913 * src/closure.c (print_closure): Likewise.
17914 * src/derives.c (print_derives): Likewise.
17915 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
17916 now.
17917
17918 2001-12-29 Akim Demaille <akim@epita.fr>
17919
17920 * src/lalr.c (lookaheads_print): New.
17921 (lalr): Call it when --trace-flag.
17922 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
17923 are dumped.
17924
17925 2001-12-29 Akim Demaille <akim@epita.fr>
17926
17927 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
17928 when walking through ritem, even via rule->rhs.
17929 * src/reduce.c (dump_grammar, useful_production, reduce_output)
17930 (useful_production, useless_nonterminals): Likewise.
17931 (reduce_grammar_tables): Likewise, plus update nritems.
17932 * src/nullable.c (set_nullable): Likewise.
17933 * src/lalr.c (build_relations): Likewise.
17934 * tests/sets.at (Nullable): Adjust.
17935 Fortunately, now, the $axiom is no longer nullable.
17936
17937 2001-12-29 Akim Demaille <akim@epita.fr>
17938
17939 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
17940 the 0-sentinel.
17941 * src/gram.c (ritem_longest_rhs): Likewise.
17942 * src/reduce.c (nonterminals_reduce): Likewise.
17943 * src/print_graph.c (print_graph): Likewise.
17944 * src/output.c (output_rule_data): Likewise.
17945 * src/nullable.c (set_nullable): Likewise.
17946
17947 2001-12-29 Akim Demaille <akim@epita.fr>
17948
17949 * src/output.c: Comment changes.
17950
17951 2001-12-27 Paul Eggert <eggert@twinsun.com>
17952
17953 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
17954 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
17955 Sparc, as they were causing more porting problems than the
17956 (minor) performance improvement was worth.
17957
17958 Also, catch up with 1.31's YYSTD.
17959
17960 2001-12-27 Akim Demaille <akim@epita.fr>
17961
17962 * src/output.c (output_gram): Rely on nritems, not the
17963 0-sentinel. See below.
17964 Use -1 as separator, not 0.
17965 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
17966 Rely on -1 as separator in yyrhs, instead of 0.
17967 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
17968 twice `Now at end of input', therefore there are two lines less to
17969 expect.
17970
17971 2001-12-27 Akim Demaille <akim@epita.fr>
17972
17973 * tests/regression.at (Unresolved SR Conflicts):
17974 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
17975 below.
17976
17977 2001-12-27 Akim Demaille <akim@epita.fr>
17978
17979 * src/LR0.c (new_state): Recognize the final state by the fact it
17980 is reached by eoftoken.
17981 (insert_start_shifting_state, insert_eof_shifting_state)
17982 (insert_accepting_state, augment_automaton): Remove, since now
17983 these states are automatically computed from the initial state.
17984 (generate_states): Adjust.
17985 * src/print.c: When reporting a rule number to the user, substract
17986 1, so that the axiom rule is rule 0, and the first user rule is 1.
17987 * src/reduce.c: Likewise.
17988 * src/print_graph.c (print_core): For the time being, just as for
17989 the report, depend upon --trace-flags to dump the full set of
17990 items.
17991 * src/reader.c (readgram): Once the grammar read, insert the rule
17992 0: `$axiom: START-SYMBOL $'.
17993 * tests/set.at: Adjust: rule 0 is now displayed, and since the
17994 number of the states has changed (the final state is no longer
17995 necessarily the last), catch up.
17996
17997 2001-12-27 Akim Demaille <akim@epita.fr>
17998
17999 Try to make the use of the eoftoken valid. Given that its value
18000 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
18001 is used instead of > 0 where appropriate, (ii), depend upon nritems
18002 instead of the 0-sentinel.
18003
18004 * src/gram.h, src/gram.c (nritems): New.
18005 Expected to be duplication of nitems, but for the time being...
18006 * src/reader.c (packgram): Assert nritems and nitems are equal.
18007 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
18008 * src/closure.c (print_closure, print_fderives): Likewise.
18009 * src/gram.c (ritem_print): Likewise.
18010 * src/print.c (print_core, print_grammar): Likewise.
18011 * src/print_graph.c: Likewise.
18012
18013 2001-12-27 Akim Demaille <akim@epita.fr>
18014
18015 * src/main.c (main): If there are complains after grammar
18016 reductions, then output the report anyway if requested, then die.
18017 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
18018 * src/reader.c (eoftoken): New.
18019 (parse_token_decl): If the token being defined has value `0', it
18020 is the eoftoken.
18021 (packsymbols): No longer hack `tags' to insert `$' by hand.
18022 Be sure to preserve the value of the eoftoken.
18023 (reader): Make sure eoftoken is defined.
18024 Initialize nsyms to 0: now eoftoken is created just like the others.
18025 * src/print.c (print_grammar): Don't special case the eof token.
18026 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
18027 lie anyway, albeit pleasant.
18028 * tests/calc.at: Exercise error messages with eoftoken.
18029 Change the grammar so that empty input is invalid.
18030 Adjust expectations.
18031 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
18032
18033 2001-12-27 Akim Demaille <akim@epita.fr>
18034
18035 * configure.in: Check the protos of strchr ans strspn.
18036 Replace strchr if needed.
18037 * src/system.h: Provide the protos of strchr, strspn and memchr if
18038 missing.
18039 * lib/strchr.c: New.
18040 * src/reader.c (symbols_save): Use strchr.
18041
18042 2001-12-27 Akim Demaille <akim@epita.fr>
18043
18044 * src/print.c, src/print_graph.c (escape): New.
18045 Use it to quote the TAGS outputs.
18046 * src/print_graph.c (print_state): Now errors are in red, and
18047 reductions in green.
18048 Prefer high to wide: output the state number on a line of its own.
18049
18050 2001-12-27 Akim Demaille <akim@epita.fr>
18051
18052 * src/state.h, src/state.c (reductions_new): New.
18053 * src/LR0.c (set_state_table): Let all the states have a
18054 `reductions', even if reduced to 0.
18055 (save_reductions): Adjust.
18056 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
18057 * src/print.c (print_reductions, print_actions): Adjust.
18058 * src/output.c (action_row): Adjust.
18059
18060 2001-12-27 Akim Demaille <akim@epita.fr>
18061
18062 * src/state.h, src/state.c (errs_new, errs_dup): New.
18063 * src/LR0.c (set_state_table): Let all the states have an errs,
18064 even if reduced to 0.
18065 * src/print.c (print_errs, print_reductions): Adjust.
18066 * src/output.c (output_actions, action_row): Adjust.
18067 * src/conflicts.c (resolve_sr_conflict): Adjust.
18068
18069 2001-12-27 Akim Demaille <akim@epita.fr>
18070
18071 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
18072
18073 2001-12-27 Akim Demaille <akim@epita.fr>
18074
18075 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
18076 * src/print.c: here.
18077 (lookaheadset, shiftset): New, used as additional storage by
18078 print_reductions.
18079 (print_results): Adjust.
18080 (print_shifts, print_gotos, print_errs): New, extracted from...
18081 (print_actions): here.
18082 * src/print_graph.c (print_actions): Remove dead code.
18083
18084 2001-12-27 Akim Demaille <akim@epita.fr>
18085
18086 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
18087 `$n' and `@n'.
18088
18089 2001-12-27 Akim Demaille <akim@epita.fr>
18090
18091 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
18092 (build_relations): Adjust.
18093
18094 2001-12-27 Akim Demaille <akim@epita.fr>
18095
18096 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
18097 duplication.
18098
18099 2001-12-27 Akim Demaille <akim@epita.fr>
18100
18101 * src/reader.c (packgram): Catch nitems overflows.
18102
18103 2001-12-27 Akim Demaille <akim@epita.fr>
18104
18105 * src/files.c, src/files.h (guard_obstack): Remove.
18106 * src/output.c (output): Adjust.
18107 * src/reader.c (parse_braces): New, factoring...
18108 (copy_action, copy_guard): these two which are renamed as...
18109 (parse_action, parse_guard): these.
18110 As a voluntary consequence, using braces around guards is now
18111 mandatory.
18112
18113 2001-12-27 Akim Demaille <akim@epita.fr>
18114
18115 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
18116 * src/reader.c (symbol_list): `guard' and `guard_line' are new
18117 members.
18118 (symbol_list_new): Adjust.
18119 (copy_action): action_line is the first line, not the last.
18120 (copy_guard): Just as for actions, store the `action' only, not
18121 the switch/case/break flesh.
18122 Don't parse the user action that might follow the guard, let...
18123 (readgram): do it, i.e., now, there can be an action after a
18124 guard.
18125 In other words the guard is just explicitly optional.
18126 (packgram): Adjust.
18127 * src/output.c (guards_output): New.
18128 (output_parser): Call it when needed.
18129 (output): Also free the guard and attrs obstacks.
18130 * src/files.c, src/files.h (obstack_save): Remove.
18131 (output_files): Remove.
18132 As a result, if one needs the former `.act' file, using an
18133 appropriate skeleton which requires actions and guards is now
18134 required.
18135 * src/main.c (main): Adjust.
18136 * tests/semantic.at: New.
18137 * tests/regression.at: Use `input.y' as input file name.
18138 Avoid 8+3 problems by requiring input.c when the test needs the
18139 parser.
18140
18141 2001-12-27 Akim Demaille <akim@epita.fr>
18142
18143 * src/reader.c (symbol_list_new): Be sure to initialize all the
18144 fields.
18145
18146 2001-12-27 Akim Demaille <akim@epita.fr>
18147
18148 All the hacks using a final pseudo state are now useless.
18149
18150 * src/LR0.c (set_state_table): state_table holds exactly nstates.
18151 * src/lalr.c (nLA): New.
18152 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
18153 instead of lookaheadsp from the pseudo state (nstate + 1).
18154
18155 2001-12-27 Akim Demaille <akim@epita.fr>
18156
18157 * src/output.c (action_row, token_actions): Use a state_t instead
18158 of a integer, and nlookaheads instead of the following state's
18159 lookaheadsp.
18160
18161 2001-12-27 Akim Demaille <akim@epita.fr>
18162
18163 * src/conflicts.c (log_resolution, flush_shift)
18164 (resolve_sr_conflict, set_conflicts, solve_conflicts)
18165 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
18166 (conflicts_print, print_reductions): Use a state_t instead of an
18167 integer when referring to a state.
18168 As much as possible, depend upon nlookaheads, instead of the
18169 `lookaheadsp' member of the following state (since lookaheads of
18170 successive states are successive, the difference between state n + 1
18171 and n served as the number of lookaheads for state n).
18172 * src/lalr.c (add_lookback_edge): Likewise.
18173 * src/print.c (print_core, print_actions, print_state)
18174 (print_results): Likewise.
18175 * src/print_graph.c (print_core, print_actions, print_state)
18176 (print_graph): Likewise.
18177 * src/conflicts.h: Adjust.
18178
18179 2001-12-27 Akim Demaille <akim@epita.fr>
18180
18181 * src/bison.hairy: Formatting/comment changes.
18182 ANSIfy.
18183 Remove `register' indications.
18184 Add plenty of `static'.
18185
18186 2001-12-27 Akim Demaille <akim@epita.fr>
18187
18188 * src/output.c (prepare): Drop the muscle `ntbase' which
18189 duplicates ntokens.
18190 * src/bison.simple: Formatting/comment changes.
18191 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
18192 is an undocumented synonym.
18193
18194 2001-12-22 Akim Demaille <akim@epita.fr>
18195
18196 * src/output.c (output_table_data): Change the prototype to use
18197 `int' for array ranges: some invocations do pass an int, not a
18198 short.
18199 Reported by Wayne Green.
18200
18201 2001-12-22 Akim Demaille <akim@epita.fr>
18202
18203 Some actions of web2c.y are improperly triggered.
18204 Reported by Mike Castle.
18205
18206 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
18207 * tests/regression.at (Web2c): Rename as...
18208 (Web2c Report): this.
18209 (Web2c Actions): New.
18210
18211 2001-12-22 Akim Demaille <akim@epita.fr>
18212
18213 Reductions in web2c.y are improperly reported.
18214 Reported by Mike Castle.
18215
18216 * src/conflicts.c (print_reductions): Fix.
18217 * tests/regression.at (Web2c): New.
18218
18219 2001-12-18 Akim Demaille <akim@epita.fr>
18220
18221 Some host fail on `assert (!"foo")', which expands to
18222 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
18223 Reported by Nelson Beebee.
18224
18225 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
18226 `#define it_succeeded 0' and `assert (it_succeeded)'.
18227
18228 2001-12-17 Marc Autret <autret_m@epita.fr>
18229
18230 * src/bison.simple: Don't hard code the skeleton line and filename.
18231 * src/output.c (output_parser): Rename 'line' as 'output_line'.
18232 New line counter 'skeleton_line' (skeleton-line muscle).
18233
18234 2001-12-17 Paul Eggert <eggert@twinsun.com>
18235
18236 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
18237 YYDEBUG must be defined to a nonzero value.
18238
18239 * src/bison.simple (yytname): Do not assume that the user defines
18240 YYDEBUG to a properly parenthesized expression.
18241
18242 2001-12-17 Akim Demaille <akim@epita.fr>
18243
18244 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
18245 nlookaheads is a new member.
18246 Adjust all users.
18247 * src/lalr.h (nlookaheads): Remove this orphan declaration.
18248 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
18249 state.
18250
18251 2001-12-17 Akim Demaille <akim@epita.fr>
18252
18253 * src/files.h, src/files.c (open_files, close_files): Remove.
18254 * src/main.c (main): Don't open/close files, nor invoke lex_free,
18255 let...
18256 * src/reader.c (reader): Do it.
18257
18258 2001-12-17 Akim Demaille <akim@epita.fr>
18259
18260 * src/conflicts.c (print_reductions): Formatting changes.
18261
18262 2001-12-17 Akim Demaille <akim@epita.fr>
18263
18264 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
18265 (flush_reduce): New.
18266 (resolve_sr_conflict): Adjust.
18267
18268 2001-12-17 Akim Demaille <akim@epita.fr>
18269
18270 * src/output.c (output_obstack): Be static and rename as...
18271 (format_obstack): this, to avoid any confusion with files.c's
18272 output_obstack.
18273 * src/reader.h (muscle_obstack): Move to...
18274 * src/output.h: here, since it's defined in output.c.
18275
18276 2001-12-17 Akim Demaille <akim@epita.fr>
18277
18278 * src/output.c (action_row, save_column, default_goto)
18279 (sort_actions, matching_state, pack_vector): Better variable
18280 locality.
18281
18282 2001-12-17 Akim Demaille <akim@epita.fr>
18283
18284 * src/output.c: Various formatting changes.
18285
18286 2001-12-17 Akim Demaille <akim@epita.fr>
18287
18288 * src/files.c (output_files): Free the output_obstack.
18289 * src/main.c (main): Call print and print_graph conditionally.
18290 * src/print.c (print): Work unconditionally.
18291 * src/print_graph.c (print_graph): Work unconditionally.
18292 * src/conflicts.c (log_resolution): Output only if verbose_flag.
18293
18294 2001-12-16 Marc Autret <autret_m@epita.fr>
18295
18296 * src/output.c (actions_output): Fix. When we use %no-lines,
18297 there is one less line per action.
18298
18299 2001-12-16 Marc Autret <autret_m@epita.fr>
18300
18301 * src/bison.simple: Remove a useless #line directive.
18302 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
18303 * src/output.c (get_lines_number): New.
18304 (output_parser): Adjust, now takes care about the lines of a
18305 output muscles.
18306 Fix line numbering.
18307 (actions_output): Computes the number of lines taken by actions.
18308 (output_master_parser): Insert new skeleton which is the name of
18309 the output parser file name.
18310
18311 2001-12-15 Marc Autret <autret_m@epita.fr>
18312
18313 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
18314
18315 2001-12-15 Marc Autret <autret_m@epita.fr>
18316
18317 * src/output.c (output_gram): Keep track of the hairy one.
18318
18319 2001-12-15 Akim Demaille <akim@epita.fr>
18320
18321 Make `make distcheck' work.
18322
18323 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
18324 system.h which uses libgettext.h.
18325
18326 2001-12-15 Akim Demaille <akim@epita.fr>
18327
18328 * src/nullable.c (set_nullable): Useless rules must be skipped,
18329 otherwise, since we range over their symbols, we might look at a
18330 nonterminal which no longer ``exists'', i.e., it is not counted in
18331 `nvars', hence we overflow our arrays.
18332
18333 2001-12-15 Akim Demaille <akim@epita.fr>
18334
18335 The header can also be produced directly, without any obstack!
18336 Yahoo!
18337
18338 * src/files.c, src/files.h (defines_obstack): Remove.
18339 (compute_header_macro): Global.
18340 (defines_obstack_save): Remove.
18341 * src/reader.c (parse_union_decl): No longer output to
18342 defines_obstack: its content can be found in the `stype' muscle
18343 anyway.
18344 (output_token_translations): Merge into...
18345 (symbols_output): this.
18346 Rename as...
18347 (symbols_save): this.
18348 (reader): Adjust.
18349 * src/output.c (header_output): New.
18350 (output): Call it.
18351
18352 2001-12-15 Akim Demaille <akim@epita.fr>
18353
18354 * src/reader.c (parse_union_decl): Instead of handling two obstack
18355 simultaneously, use one to define the `stype' muscle, and use the
18356 value of the latter to fill defines_obstack.
18357 (copy_comment): Remove.
18358 (copy_comment2): Work for a single obstack.
18359 Rename as...
18360 (copy_comment): this.
18361
18362 2001-12-15 Akim Demaille <akim@epita.fr>
18363
18364 * src/lex.c, src/lex.h (xgetc): No longer static.
18365 * src/reader.c (parse_union_decl): Revamp.
18366
18367 2001-12-15 Akim Demaille <akim@epita.fr>
18368
18369 Still making progress in separating Bison into (i) input, (ii)
18370 process, (iii) output: now we can directly output the parser file
18371 without using table_obstack at all.
18372
18373 * src/files.c, src/files.h (table_obstack): Bye bye.
18374 (parser_file_name): New.
18375 * src/files.c (compute_output_file_names): Compute it.
18376 * src/output.c (actions_output, output_parser)
18377 (output_master_parser): To a file instead of an obstack.
18378
18379 2001-12-15 Akim Demaille <akim@epita.fr>
18380
18381 Attach actions to rules, instead of pre-outputting them to
18382 actions_obstack.
18383
18384 * src/gram.h (rule_t): action and action_line are new members.
18385 * src/reader.c (symbol_list): Likewise.
18386 (copy_action): Save the actions within the rule.
18387 (packgram): Save them in rule_table.
18388 * src/output.c (actions_output): New.
18389 (output_parser): Use it on `%%actions'.
18390 (output_rule_data): Don't free rule_table.
18391 (output): Do it.
18392 (prepare): Don't save the `action' muscle.
18393 * src/bison.simple: s/%%action/%%actions/.
18394
18395 2001-12-15 Akim Demaille <akim@epita.fr>
18396
18397 * src/reader.c (copy_action): When --yacc, don't append a `;'
18398 to the user action: let it fail if lacking.
18399 Suggested by Arnold Robbins and Tom Tromey.
18400
18401 2001-12-14 Akim Demaille <akim@epita.fr>
18402
18403 * src/lex.c (literalchar): Simply return the char you decoded, non
18404 longer mess around with obstacks and int pointers.
18405 Adjust all callers.
18406
18407 2001-12-14 Akim Demaille <akim@epita.fr>
18408
18409 * src/lex.c (literalchar): Don't escape the special characters,
18410 just decode them, and keep them as char (before, eol was output as
18411 the 2 char string `\n' etc.).
18412 * src/output.c (output_rule_data): Use quotearg to output the
18413 token strings.
18414
18415 2001-12-13 Paul Eggert <eggert@twinsun.com>
18416
18417 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
18418 Do not infringe on the global user namespace when using C++.
18419 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
18420 All uses of `fprintf' and `stderr' changed.
18421
18422 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
18423
18424 2001-12-13 Akim Demaille <akim@epita.fr>
18425
18426 The computation of nullable is broken: it doesn't handle empty
18427 RHS's properly.
18428
18429 * tests/torture.at (GNU AWK Grammar): New.
18430 * tests/sets.at (Nullable): New.
18431 * src/nullable.c (set_nullable): Instead of blindly looping over
18432 `ritems', loop over the rules, and then over their rhs's.
18433
18434 Work around Autotest bugs.
18435
18436 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
18437 frame, because Autotest understand lines starting with a `+' as
18438 traces from the shell. Then, they are not processed properly.
18439 Admittedly an Autotest bug, but we don't have time to wait for
18440 Autotest to catch up.
18441 * tests/regression.at (Broken Closure): Adjust to the new table
18442 frames.
18443 Move to...
18444 * tests/sets.at: here.
18445
18446 2001-12-13 Akim Demaille <akim@epita.fr>
18447
18448 * src/closure.c (closure): Use nrules instead of playing tricks
18449 with BITS_PER_WORD.
18450
18451 2001-12-13 Akim Demaille <akim@epita.fr>
18452
18453 * src/print.c (print_actions): Output the handling of `$' as the
18454 traces do: shifting the token EOF. Before EOF was treated as a
18455 nonterminal.
18456 * tests/regression.at: Adjust some tests.
18457 * src/print_graph.c (print_core): Complete the set of items via
18458 closure. The next-to-final and final states are still unsatisfying,
18459 but that's to be addressed elsewhere.
18460 No longer output the rule numbers, but do output the state number.
18461 A single loop for the shifts + gotos is enough, but picked a
18462 distinct color for each.
18463 (print_graph): Initialize and finalize closure.
18464
18465 2001-12-13 Akim Demaille <akim@epita.fr>
18466
18467 * src/reader.c (readgram): Remove dead code, an strip useless
18468 braces.
18469 (get_type): Remove, unused.
18470
18471 2001-12-12 Akim Demaille <akim@epita.fr>
18472
18473 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
18474 on that of lib/error.c.
18475
18476 2001-12-12 Akim Demaille <akim@epita.fr>
18477
18478 Some hosts don't like `/' in includes.
18479
18480 * src/system.h: Include libgettext.h without qualifying the path.
18481 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
18482 $(top_srcdir).
18483
18484 2001-12-11 Marc Autret <autret_m@epita.fr>
18485
18486 * src/output.c (output_parser): Remove useless muscle.
18487
18488 2001-12-11 Marc Autret <autret_m@epita.fr>
18489
18490 * src/bison.simple: Remove #line just before %%epilogue. It
18491 is now handled in ...
18492 * src/reader.c (read_additionnal_code): Add the output of a
18493 #line for the epilogue.
18494
18495 2001-12-10 Marc Autret <autret_m@epita.fr>
18496
18497 * src/reader.c (copy_definition): Re-use CPP-outed code which
18498 replace precedent remove.
18499 * src/bison.simple: Remove #line before %%prologue because
18500 %%input-line is wrong at this time.
18501
18502 2001-12-10 Marc Autret <autret_m@epita.fr>
18503
18504 * src/reader.c (symbols_output): Clean up.
18505 * src/output.c (output_gram, output): Clean up.
18506
18507 2001-12-10 Akim Demaille <akim@epita.fr>
18508
18509 * src/lalr.c (initialize_lookaheads): New. Extracted from...
18510 * src/LR0.c (set_state_table): here.
18511 * src/lalr.c (lalr): Call it.
18512
18513 2001-12-10 Akim Demaille <akim@epita.fr>
18514
18515 * src/state.h (shifts): Remove the `number' member: shifts are
18516 attached to state, hence no longer need to be labelled with a
18517 state number.
18518
18519 2001-12-10 Akim Demaille <akim@epita.fr>
18520
18521 Now that states have a complete set of members, the linked list of
18522 shifts is useless: just fill directly the state's shifts member.
18523
18524 * src/state.h (shifts): Remove the `next' member.
18525 * src/LR0.c (first_state, last_state): Remove.
18526 Adjust the callers.
18527 (augment_automaton): Don't look for the shifts that must be added
18528 a shift on EOF: it is those of the state we looked for! But now,
18529 since shifts are attached, it is no longer needed to looking
18530 merely by its id: its number.
18531
18532 2001-12-10 Akim Demaille <akim@epita.fr>
18533
18534 * src/LR0.c (augment_automaton): Better variable locality.
18535 Remove an impossible branch: if there is a state corresponding to
18536 the start symbol being shifted, then there is shift for the start
18537 symbol from the initial state.
18538
18539 2001-12-10 Akim Demaille <akim@epita.fr>
18540
18541 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
18542 only when appropriate: when insert_start_shifting_state' is not
18543 invoked.
18544 * tests/regression.at (Rule Line Numbers): Adjust.
18545
18546 2001-12-10 Akim Demaille <akim@epita.fr>
18547
18548 * src/LR0.c (augment_automaton): Now that all states have shifts,
18549 merge the two cases addition shifts to the initial state.
18550
18551 2001-12-10 Akim Demaille <akim@epita.fr>
18552
18553 * src/lalr.c (set_state_table): Move to...
18554 * src/LR0.c: here.
18555 * src/lalr.c (lalr): Don't call it...
18556 * src/LR0.c (generate_states): do it.
18557 * src/LR0.h (first_state): Remove, only the table is used.
18558
18559 2001-12-10 Akim Demaille <akim@epita.fr>
18560
18561 * src/LR0.h (first_shift, first_reduction): Remove.
18562 * src/lalr.c: Don't use first_shift: find shifts through the
18563 states.
18564
18565 2001-12-10 Akim Demaille <akim@epita.fr>
18566
18567 * src/LR0.c: Attach shifts to states as soon as they are
18568 computed.
18569 * src/lalr.c (set_state_table): Instead of assigning shifts to
18570 state, just assert that the mapping was properly done.
18571
18572 2001-12-10 Akim Demaille <akim@epita.fr>
18573
18574 * src/LR0.c (insert_start_shift): Rename as...
18575 (insert_start_shifting_state): this.
18576 (insert_eof_shifting_state, insert_accepting_state): New.
18577 (augment_automaton): Adjust.
18578 Better locality of the variables.
18579 When looking if the start_symbol is shifted from the initial
18580 state, using `while (... symbol != start_symbol ...)' sounds
18581 better than `while (... symbol < start_symbol ...)': If fail
18582 to see how the order between symbols could be relevant!
18583
18584 2001-12-10 Akim Demaille <akim@epita.fr>
18585
18586 * src/getargs.h: Don't declare `spec_name_prefix' and
18587 `spec_file_prefix', declared by src/files.h.
18588 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
18589 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
18590 * src/output.c (prepare): Adjust.
18591 * src/reader.c (symbols_output): Likewise.
18592 * src/vmsgetargs.c: Vaguely adjust, but who cares?
18593
18594 2001-12-10 Akim Demaille <akim@epita.fr>
18595
18596 * src/muscle_tab.c (muscle_init): NULL is a better default than
18597 `"0"'.
18598
18599 2001-12-10 Akim Demaille <akim@epita.fr>
18600
18601 * src/reader.c (reader): Calling symbols_output once is enough.
18602
18603 2001-12-10 Akim Demaille <akim@epita.fr>
18604
18605 Now that states have a complete set of members, the linked list of
18606 reductions is useless: just fill directly the state's reductions
18607 member.
18608
18609 * src/state.h (struct reductions): Remove member `number' and
18610 `next'.
18611 * src/LR0.c (first_reduction, last_reduction): Remove.
18612 (save_reductions): Don't link the new reductions, store them in
18613 this_state.
18614 * src/lalr.c (set_state_table): No need to attach reductions to
18615 states, it's already done.
18616 * src/output.c (output_actions): No longer free the shifts, then
18617 the reductions, then the states: free all the states and their
18618 members.
18619
18620 2001-12-10 Akim Demaille <akim@epita.fr>
18621
18622 * src/options.c (OPTN, DRTV, BOTH): New.
18623 (option_table): Use them.
18624
18625 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
18626 the job of system.h.
18627 * src/options.c: Don't include stdio.h and xalloc.h for the same
18628 reasons.
18629
18630 2001-12-10 Akim Demaille <akim@epita.fr>
18631
18632 * src/output.c (output, prepare): Make sure the values of the
18633 muscles `action' and `prologue' are 0-terminated.
18634
18635 2001-12-10 Akim Demaille <akim@epita.fr>
18636
18637 Clean up GCC warnings.
18638
18639 * src/reader.c (copy_action): `buf' is not used.
18640 (parse_skel_decl): Be static.
18641 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
18642 * src/options.h (create_long_option_table): Have a real prototype.
18643 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
18644 (hash_delete_at): Return const void *.
18645 Adjust casts to preserve the const.
18646
18647 2001-12-10 Akim Demaille <akim@epita.fr>
18648
18649 * configure.in: Require 2.52g.
18650 M4 is not needed, but AUTOM4TE is.
18651 * m4/m4.m4: Remove.
18652 * tests/Makefile.am: Adjust.
18653
18654 2001-12-10 Akim Demaille <akim@epita.fr>
18655
18656 One structure for states is enough, even though theoretically
18657 there are LR(0) states and LALR(1) states.
18658
18659 * src/lalr.h (state_t): Remove.
18660 (state_table): Be state_t **, not state_t *.
18661 * src/state.h (core, CORE_ALLOC): Rename as...
18662 (state_t, STATE_ALLOC): this.
18663 Add the LALR(1) members: shifts, reductions, errs.
18664 * src/LR0.c (state_table): Rename as...
18665 (state_hash): this, to avoid name clashes with the global
18666 `state_table'.
18667 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
18668 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
18669
18670 2001-12-10 Akim Demaille <akim@epita.fr>
18671
18672 Bison dumps core on bash.y.
18673 Reported by Pascal Bart.
18674
18675 * src/warshall.c (bitmatrix_print): New.
18676 (TC): Use it.
18677 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
18678 j must be the outer loop.
18679 * tests/regression.at (Broken Closure): New.
18680
18681 2001-12-05 Akim Demaille <akim@epita.fr>
18682
18683 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
18684 its argument.
18685 Reported by Peter Hamorsky.
18686
18687 2001-12-05 Akim Demaille <akim@epita.fr>
18688
18689 * src/conflicts.c (err_table): Remove.
18690 (resolve_sr_conflict): Adjust.
18691 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
18692 Rename as...
18693 (state_t.reductions, state_t.shifts): this.
18694
18695 2001-12-05 Akim Demaille <akim@epita.fr>
18696
18697 * src/reduce.c (reduce_grammar_tables): No longer disable the
18698 removal of useless rules via CPP but via `if (0)', so that the
18699 compiler still check the code is valid.
18700 For instance, it should have noticed `rline' no longer exists: use
18701 the `line' member of rule_t.
18702 * src/gram.c (dummy, rline): Remove, unused.
18703
18704 2001-12-05 Akim Demaille <akim@epita.fr>
18705
18706 * src/output.c (pack_vector): Use assert, not berror.
18707 * src/main.c (berror): Remove, unused.
18708
18709 2001-12-05 Akim Demaille <akim@epita.fr>
18710
18711 New experimental feature: if --verbose --trace output all the
18712 items of a state, not only its kernel.
18713
18714 * src/print.c (print_core): If `trace_flag', then invoke closure
18715 before outputting the items of the state (print_core is no longer
18716 a correct name them).
18717 (print_results): Invoke new_closure/free_closure if needed.
18718
18719 2001-12-05 Akim Demaille <akim@epita.fr>
18720
18721 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
18722 * src/closure.c, src/closure.h (itemsetsize): Rename as...
18723 (nitemset): for consistency with the rest of the project.
18724
18725 2001-12-05 Akim Demaille <akim@epita.fr>
18726
18727 * src/closure.c (print_closure): Improve.
18728 (closure): Use it for printing input and output.
18729
18730 2001-12-05 Akim Demaille <akim@epita.fr>
18731
18732 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
18733 indexed by nonterminals.
18734
18735 2001-12-05 Akim Demaille <akim@epita.fr>
18736
18737 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
18738 what it was!).
18739 * src/warshall.h: Remove accidental duplication of the content.
18740
18741 2001-12-05 Akim Demaille <akim@epita.fr>
18742
18743 * src/closure.c (set_fderives): De-obfuscate.
18744
18745 2001-12-05 Akim Demaille <akim@epita.fr>
18746
18747 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
18748
18749 2001-12-05 Akim Demaille <akim@epita.fr>
18750
18751 * src/closure.c (set_firsts): De-obfuscate.
18752
18753 2001-12-05 Akim Demaille <akim@epita.fr>
18754
18755 * src/output.c (action_row): De-obfuscate
18756 using the good o' techniques: arrays not pointers, variable
18757 locality, BITISSET, RESETBIT etc.
18758
18759 2001-12-05 Akim Demaille <akim@epita.fr>
18760
18761 Pessimize the code to simplify it: from now on, all the states
18762 have a valid SHIFTS, which NSHIFTS is possibly 0.
18763
18764 * src/LR0.c (shifts_new): Be global and move to..
18765 * src/state.c, src/state.h: here.
18766 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
18767 * src/print_graph: Adjust.
18768
18769 2001-12-05 Akim Demaille <akim@epita.fr>
18770
18771 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
18772 * src/conflicts.c: Use it.
18773 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
18774 incorrectly ``simplified''.
18775
18776 2001-12-05 Akim Demaille <akim@epita.fr>
18777
18778 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
18779 using the good o' techniques: arrays not pointers, variable
18780 locality, BITISSET, RESETBIT etc.
18781
18782 2001-12-05 Akim Demaille <akim@epita.fr>
18783
18784 * src/state.h (SHIFT_SYMBOL): New.
18785 * src/conflicts.c: Use it to deobfuscate.
18786
18787 2001-12-05 Akim Demaille <akim@epita.fr>
18788
18789 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
18790 (print_reductions): De-obfuscate using the good o' techniques:
18791 arrays not pointers, variable locality, BITISSET.
18792
18793 2001-12-05 Akim Demaille <akim@epita.fr>
18794
18795 * src/conflicts.c (print_reductions): Arrays, not pointers.
18796 Use BITISSET.
18797
18798 2001-12-05 Akim Demaille <akim@epita.fr>
18799
18800 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18801
18802 2001-12-05 Akim Demaille <akim@epita.fr>
18803
18804 * src/conflicts.c (print_reductions): Improve variable locality.
18805
18806 2001-12-05 Akim Demaille <akim@epita.fr>
18807
18808 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18809
18810 2001-12-05 Akim Demaille <akim@epita.fr>
18811
18812 * src/conflicts.c (print_reductions): Improve variable locality.
18813
18814 2001-12-05 Akim Demaille <akim@epita.fr>
18815
18816 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
18817 * src/lalr.c: Use them.
18818
18819 2001-12-05 Akim Demaille <akim@epita.fr>
18820
18821 * src/LR0.c (augment_automaton): Formatting changes.
18822 Better variable locality.
18823
18824 2001-12-05 Akim Demaille <akim@epita.fr>
18825
18826 * src/lalr.c (matrix_print): New.
18827 (transpose): Use it.
18828 Use arrays instead of pointers.
18829
18830 2001-12-05 Akim Demaille <akim@epita.fr>
18831
18832 * src/lalr.c (maxrhs): Move to...
18833 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
18834 * src/lalr.c (build_relations): Adjust.
18835
18836 2001-12-05 Akim Demaille <akim@epita.fr>
18837
18838 * src/lalr.c (transpose): Free the memory allocated to the
18839 argument, as it is replaced by the results by the unique caller.
18840 (build_relations): Merely invoke transpose: it handles the memory
18841 deallocation.
18842 Improve variable locality.
18843 Avoid variables used as mere abbreviations.
18844 (compute_lookaheads): Use arrays instead of pointers.
18845
18846 2001-12-05 Akim Demaille <akim@epita.fr>
18847
18848 * src/lalr.c (initialize_F): Improve variable locality.
18849 Avoid variables used as mere abbreviations.
18850
18851 2001-12-05 Akim Demaille <akim@epita.fr>
18852
18853 * src/derives.c (print_derives): Display the ruleno.
18854 * src/lalr.c (initialize_F, transpose): Better variable locality
18855 to improve readability.
18856 Avoid variables used as mere abbreviations.
18857
18858 2001-12-05 Akim Demaille <akim@epita.fr>
18859
18860 * src/lalr.c (traverse): Use arrays instead of pointers.
18861
18862 2001-12-05 Akim Demaille <akim@epita.fr>
18863
18864 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
18865 the handling of squeue.
18866 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
18867
18868 2001-12-05 Akim Demaille <akim@epita.fr>
18869
18870 Because useless nonterminals are now kept alive (instead of being
18871 `destroyed'), we now sometimes examine them, and store information
18872 related to them. Hence we need to know their number, and adjust
18873 memory allocations.
18874
18875 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
18876 static.
18877 * src/LR0.c (allocate_itemsets): The memory allocated to
18878 `symbol_count' was used for two different purpose: once to count
18879 the number of occurrences of each symbol, and later reassigned to
18880 `shift_symbol', containing the symbol that can be shifted from a
18881 given state.
18882 Deobfuscate, i.e., allocate, use and free `symbol_count' here
18883 only, and...
18884 (new_itemsets): Allocate `shift_symbol' here.
18885 (allocate_itemsets): symbol_count includes useless nonterminals.
18886 Make room for them.
18887 (free_storage): Use `free', not `XFREE', for pointers that cannot
18888 be null.
18889
18890 2001-12-05 Akim Demaille <akim@epita.fr>
18891
18892 * src/nullable.c (set_nullable): Deobfuscate the handling of
18893 ritem.
18894 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
18895
18896 2001-12-05 Akim Demaille <akim@epita.fr>
18897
18898 * src/gram.c, src/gram.h (ritem_print): New.
18899 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
18900 (This useless function was defined only to work around VMS linkers
18901 that can't handle compilation units with variables only).
18902 * src/reduce.c (dump_grammar): Use it to trace the construction of
18903 ritem.
18904
18905 2001-12-04 Paul Eggert <eggert@twinsun.com>
18906
18907 * src/bison.simple (union yyalloc): Change member names
18908 to be the same as the stack names.
18909 (yyparse): yyptr is now union yyalloc *, not char *.
18910 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
18911 and may generate better code on some machines.
18912 (yystpcpy): Use prototype if __STDC__ is defined, not just
18913 if __cplusplus is defined.
18914
18915 2001-11-30 Akim Demaille <akim@epita.fr>
18916
18917 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
18918 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
18919 Gettext doesn't compile cleanly, and dies with -Werror.
18920 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
18921 Include WARNING_CFLAGS here.
18922 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
18923 before being defined.
18924
18925 2001-11-27 Paul Eggert <eggert@twinsun.com>
18926
18927 * lib/quotearg.h (quotearg_n, quotearg_n_style):
18928 First arg is int, not unsigned.
18929 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
18930 (SIZE_MAX, UINT_MAX): New macros.
18931 (quotearg_n_options): Abort if N is negative.
18932 Avoid overflow check on hosts where size_t is 64 bits and int
18933 is 32 bits, as overflow is impossible there.
18934 Fix off-by-one typo that caused unnecessary reallocation.
18935
18936 2001-11-29 Paul Eggert <eggert@twinsun.com>
18937
18938 Name space cleanup in generated parser.
18939
18940 * doc/bison.texinfo (Bison Parser): Discuss system headers
18941 and their effect on the user name space.
18942
18943 * src/bison.simple:
18944 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
18945 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
18946 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
18947
18948 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
18949 on user names when possible.
18950
18951 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
18952 Simplify test for whather <alloca.h> exists.
18953
18954 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
18955
18956 (<stdio.h>): Include if YYDEBUG.
18957
18958 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
18959 ! defined (yyoverflow) && ! defined (yymemcpy).
18960
18961 (yymemcpy, yyparse): Rename local variables as needed so that
18962 they all begin with 'yy'.
18963
18964 (yystrlen, yystpcpy): New functions.
18965
18966 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
18967 All uses changed.
18968
18969 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
18970 instead of relying on string.h functions. Use YYSTACK_ALLOC
18971 and YYSTACK_FREE instead of malloc and free.
18972
18973 2001-11-30 Akim Demaille <akim@epita.fr>
18974
18975 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
18976 before their first uses.
18977 (YYBISON, YYPURE): Move to the top of the output.
18978
18979 2001-11-30 Akim Demaille <akim@epita.fr>
18980
18981 * tests/reduce.at (Useless Nonterminals): Fix.
18982
18983 2001-11-30 Akim Demaille <akim@epita.fr>
18984
18985 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
18986 if body instead of `;' to pacify GCC's warnings.
18987
18988 2001-11-30 Akim Demaille <akim@epita.fr>
18989
18990 Instead of mapping the LHS of unused rules to -1, keep the LHS
18991 valid, but flag the rules as invalid.
18992
18993 * src/gram.h (rule_t): `useful' is a new member.
18994 * src/print.c (print_grammar): Adjust.
18995 * src/derives.c (set_derives): Likewise.
18996 * src/reader.c (packgram, reduce_output): Likewise.
18997 * src/reduce.c (reduce_grammar_tables): Likewise.
18998 * tests/reduce.at (Underivable Rules, Useless Rules): New.
18999
19000 2001-11-30 Akim Demaille <akim@epita.fr>
19001
19002 * src/reduce.c (reduce_output): Formatting changes.
19003 * src/print.c (print_results, print_grammar): Likewise.
19004 * tests/regression.at (Rule Line Numbers)
19005 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
19006
19007 2001-11-30 Akim Demaille <akim@epita.fr>
19008
19009 * src/reduce.c (nonterminals_reduce): Instead of throwing away
19010 useless nonterminals, move them at the end of the symbol arrays.
19011 (reduce_output): Adjust.
19012 * tests/reduce.at (Useless Nonterminals): Adjust.
19013
19014 2001-11-30 Akim Demaille <akim@epita.fr>
19015
19016 * src/reduce.c: Various comment/formatting changes.
19017 (nonterminals_reduce): New, extracted from...
19018 (reduce_grammar_tables): here.
19019 (reduce_grammar): Call nonterminals_reduce.
19020
19021 2001-11-29 Paul Eggert <eggert@twinsun.com>
19022
19023 * src/bison.simple (YYSTACK_REALLOC): Remove.
19024 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
19025 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
19026 New macros.
19027 (union yyalloc): New type.
19028 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
19029 an arbitrary restriction on hosts where size_t is wider than int.
19030
19031 (yyparse): Don't dump core if alloca or malloc fails; instead, report
19032 a parser stack overflow. Allocate just one block of memory for all
19033 three stacks, instead of allocating three blocks; this typically is
19034 faster and reduces fragmentation.
19035
19036 Do not limit the number of items in the stack to a value that fits
19037 in 'int', as this is an arbitrary limit on hosts with 64-bit
19038 size_t and 32-bit int.
19039
19040 2001-11-29 Marc Autret <autret_m@epita.fr>
19041
19042 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
19043 of defining YYERROR_VERBOSE.
19044 [AT_DATA]: $4 is now out of C declarations in the prologue.
19045
19046 2001-11-28 Marc Autret <autret_m@epita.fr>
19047
19048 * src/reader.c (parse_dquoted_param): New.
19049 (parse_skel_decl): Use it.
19050 * src/lex.h: Add its prototype.
19051 * src/lex.c (literalchar): Become not static.
19052
19053 2001-11-28 Marc Autret <autret_m@epita.fr>
19054
19055 * src/output.h: And put its extern declaration here.
19056 * src/output.c (error_verbose): Define here.
19057 (prepare): Echo name modification.
19058 * src/getargs.h: Clean its extern declaration.
19059 * src/getargs.c (error_verbose_flag): Remove.
19060 (getargs): Remove case 'e'.
19061 * src/options.c (option_table): 'error-verbose' is now seen as simple
19062 percent option.
19063 Include output.h.
19064
19065 * src/reader.c (read_declarations): Remove case tok_include.
19066 (parse_include_decl): Remove.
19067 * src/lex.h (token_t): Remove tok_include.
19068 * src/options.c (option_table): 'include' is now a simple command line
19069 option.
19070
19071 2001-11-28 Marc Autret <autret_m@epita.fr>
19072
19073 * src/bison.simple: Adjust muscle names.
19074 * src/muscle_tab.c (muscle_init): Also rename the muscles.
19075 * src/output.c (prepare): s/_/-/ for the muscles names.
19076 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
19077
19078 2001-11-28 Marc Autret <autret_m@epita.fr>
19079
19080 * src/bison.simple: Fix debug.
19081 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
19082
19083 2001-11-28 Akim Demaille <akim@epita.fr>
19084
19085 * src/LR0.c (shifts_new): New.
19086 (save_shifts, insert_start_shift, augment_automaton): Use it.
19087
19088 2001-11-28 Akim Demaille <akim@epita.fr>
19089
19090 * src/closure.c (closure): `b' and `ruleno' denote the same value:
19091 keep ruleno only.
19092
19093 2001-11-28 Akim Demaille <akim@epita.fr>
19094
19095 * src/closure.c (closure): Instead of looping over word in array
19096 then bits in words, loop over bits in array.
19097
19098 2001-11-28 Akim Demaille <akim@epita.fr>
19099
19100 * src/closure.c (closure): No longer optimize the special case
19101 where all the bits of `ruleset[r]' are set to 0, to make the code
19102 clearer.
19103
19104 2001-11-28 Akim Demaille <akim@epita.fr>
19105
19106 * src/closure.c (closure): `r' and `c' are new variables, used to
19107 de-obfuscate accesses to RULESET and CORE.
19108
19109 2001-11-28 Akim Demaille <akim@epita.fr>
19110
19111 * src/reduce.c (reduce_print): Use ngettext.
19112 (dump_grammar): Improve the trace accuracy.
19113
19114 2001-11-28 Akim Demaille <akim@epita.fr>
19115
19116 * src/reduce.c (dump_grammar): Don't translate trace messages.
19117
19118 2001-11-28 Akim Demaille <akim@epita.fr>
19119
19120 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
19121 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
19122 as all tags are free'ed afterwards.
19123 From Enrico Scholz.
19124
19125 2001-11-27 Paul Eggert <eggert@twinsun.com>
19126
19127 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
19128 use alloca when we didn't want to, and vice versa.
19129
19130 2001-11-27 Marc Autret <autret_m@epita.fr>
19131
19132 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
19133 initialization.
19134 * src/output.c (prepare): Remove its update.
19135
19136 2001-11-27 Marc Autret <autret_m@epita.fr>
19137
19138 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
19139 Use %error-verbose.
19140
19141 2001-11-27 Marc Autret <autret_m@epita.fr>
19142
19143 * src/bison.simple: Remove YYERROR_VERBOSE using.
19144 Use %%error_verbose.
19145 (yyparse): Likewise.
19146 * src/output.c (prepare): Give its final value.
19147 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
19148 * src/getargs.h: Add its extern declaration.
19149 * src/getargs.c (error_verbose_flag): New int.
19150 (getargs): Update to catch new case.
19151 * src/options.c (option_table): 'error-verbose' is a new option.
19152 (shortopts): Update.
19153
19154 2001-11-27 Akim Demaille <akim@epita.fr>
19155
19156 * src/system.h: Use intl/libgettext.h.
19157 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
19158
19159 2001-11-27 Akim Demaille <akim@epita.fr>
19160
19161 * tests/torture.at (Exploding the Stack Size with Malloc):
19162 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
19163
19164 2001-11-27 Akim Demaille <akim@epita.fr>
19165
19166 * src/files.c: Include error.h.
19167 Reported by Hans Aberg.
19168
19169 2001-11-26 Marc Autret <autret_m@epita.fr>
19170
19171 * src/reader.c (parse_include_decl): New, not yet implemented.
19172 (read_declarations): Add case tok_include.
19173 * src/getargs.h (include): Add its extern definition.
19174 * src/getargs.c (include): New const char *.
19175 (getargs): Add case '-I'.
19176 * src/options.c (option_table): Add include as command line and
19177 percent option.
19178 * src/lex.h (token_t): Add tok_include.
19179
19180 2001-11-26 Akim Demaille <akim@epita.fr>
19181
19182 * src/reader.c (readgram): Make sure rules for mid-rule actions
19183 have a lineno equal to that of their host rule.
19184 Reported by Hans Aberg.
19185 * tests/regression.at (Rule Line Numbers): New.
19186
19187 2001-11-26 Akim Demaille <akim@epita.fr>
19188
19189 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
19190 size_ts.
19191
19192 2001-11-26 Akim Demaille <akim@epita.fr>
19193
19194 * src/complain.c, src/complain.h (error): Remove, provided by
19195 lib/error.[ch].
19196
19197 2001-11-26 Akim Demaille <akim@epita.fr>
19198
19199 * src/reader.c (read_declarations): Don't abort on tok_illegal,
19200 issue an error message.
19201 * tests/regression.at (Invalid %directive): New.
19202 Reported by Hans Aberg.
19203
19204 2001-11-26 Akim Demaille <akim@epita.fr>
19205
19206 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
19207 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
19208
19209 2001-11-26 Akim Demaille <akim@epita.fr>
19210
19211 * src/conflicts.c (conflicts_print): Don't complain at all when
19212 there are no reduce/reduce conflicts, and as many shift/reduce
19213 conflicts as expected.
19214 * tests/regression.at (%expect right): Adjust.
19215
19216 2001-11-23 Akim Demaille <akim@epita.fr>
19217
19218 * lib/alloca.c: Update, from fileutils.
19219
19220 2001-11-23 Akim Demaille <akim@epita.fr>
19221
19222 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
19223
19224 2001-11-23 Akim Demaille <akim@epita.fr>
19225
19226 * src/system.h: Include alloca.h.
19227 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
19228
19229 2001-11-23 Akim Demaille <akim@epita.fr>
19230
19231 * src/print_graph.c (print_actions): Remove `rule', unused.
19232 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
19233 pacify GCC's signed < unsigned warnings.
19234 * src/closure.c (itemsetsize): Likewise.
19235 * src/reader.c (symbol_list_new): Static.
19236
19237 2001-11-23 Akim Demaille <akim@epita.fr>
19238
19239 Attaching lineno to buckets is stupid, since only one copy of each
19240 symbol is kept, only the line of the first occurrence is kept too.
19241
19242 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
19243 * src/reader.c (rline_allocated): Remove, unused.
19244 (symbol_list): Have a `line' member.
19245 (symbol_list_new): New.
19246 (readgram): Use it.
19247 * src/print.c (print_grammar): Output the rule line numbers.
19248 * tests/regression.at (Solved SR Conflicts)
19249 (Unresolved SR Conflicts): Adjust.
19250 Reported by Hans Aberg.
19251
19252 2001-11-22 Marc Autret <autret_m@epita.fr>
19253
19254 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
19255
19256 2001-11-22 Marc Autret <autret_m@epita.fr>
19257
19258 * src/muscle_tab.c (muscle_init): Remove initialization of
19259 skeleton muscle.
19260 * src/output.c (output_master_parser): Do it here.
19261
19262 2001-11-20 Akim Demaille <akim@epita.fr>
19263
19264 * po/sv.po: New.
19265 * configure.in (ALL_LINGUAS): Adjust.
19266 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
19267 longer contains strings to translate.
19268
19269 2001-11-19 Akim Demaille <akim@epita.fr>
19270
19271 * src/conflicts.c (conflicts_print): Add a missing \n.
19272
19273 2001-11-19 Akim Demaille <akim@epita.fr>
19274
19275 * src/nullable.c (nullable_print): New.
19276 (set_nullable): Call it when tracing.
19277 Better locality of variables.
19278
19279 2001-11-19 Akim Demaille <akim@epita.fr>
19280
19281 * src/print.c (print_actions): Better locality of variables.
19282
19283 2001-11-19 Akim Demaille <akim@epita.fr>
19284
19285 * src/derives.c (print_derives): Fix and enrich.
19286 * src/closure.c (print_fderives): Likewise.
19287
19288 2001-11-19 Akim Demaille <akim@epita.fr>
19289
19290 * src/closure.c (itemsetend): Remove, replaced with...
19291 (itemsetsize): new.
19292
19293 2001-11-19 Akim Demaille <akim@epita.fr>
19294
19295 * src/LR0.c (kernel_end): Remove, replaced with...
19296 (kernel_size): new.
19297
19298 2001-11-19 Akim Demaille <akim@epita.fr>
19299
19300 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
19301 to clarify.
19302
19303 2001-11-19 Akim Demaille <akim@epita.fr>
19304
19305 * src/closure.c (closure): Use arrays instead of pointers to clarify.
19306
19307 2001-11-19 Akim Demaille <akim@epita.fr>
19308
19309 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
19310 trace messages.
19311 * src/LR0.c: Likewise.
19312 (allocate_itemsets): Use arrays instead of pointers to clarify.
19313
19314 2001-11-19 Akim Demaille <akim@epita.fr>
19315
19316 * src/getargs.c (statistics_flag): Replace with...
19317 (trace_flag): New.
19318 (longopts): Accept --trace instead of --statistics.
19319 * src/getargs.h, src/options.c: Adjust.
19320 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
19321 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
19322
19323 2001-11-19 Akim Demaille <akim@epita.fr>
19324
19325 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
19326 pointers to clarify the code.
19327 (save_reductions, save_shifts): Factor common parts of alternatives.
19328
19329 2001-11-19 Akim Demaille <akim@epita.fr>
19330
19331 * src/LR0.c (new_state, get_state): Complete TRACE code.
19332 * src/closure.c: Include `reader.h' to get `tags', needed by the
19333 trace code.
19334 Rename the conditional DEBUG as TRACE.
19335 Output consistently TRACEs to stderr, not stdout.
19336 * src/derives.c: Likewise.
19337 * src/reduce.c: (inaccessable_symbols): Using if is better style
19338 than goto.
19339 Use `#if TRACE' instead of `#if 0' for tracing code.
19340
19341 2001-11-19 Akim Demaille <akim@epita.fr>
19342
19343 * src/system.h (LIST_FREE, shortcpy): New.
19344 * src/LR0.c: Use them.
19345 * src/output.c (free_itemsets, free_reductions, free_shifts):
19346 Remove, replaced by LIST_FREE.
19347
19348 2001-11-19 Akim Demaille <akim@epita.fr>
19349
19350 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
19351 (REDUCTIONS_ALLOC): New.
19352 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
19353 allocation.
19354
19355 2001-11-19 Akim Demaille <akim@epita.fr>
19356
19357 * src/LR0.c (new_state): Complete trace code.
19358 * src/nullable.c (set_nullable): Don't translate traces.
19359
19360 2001-11-19 Akim Demaille <akim@epita.fr>
19361
19362 * src/print_graph.c (print_core): Better locality of variables.
19363 * src/print.c (print_core): Likewise.
19364
19365 2001-11-19 Akim Demaille <akim@epita.fr>
19366
19367 * src/vcg.c: You do the output, so you are responsible of the
19368 handling of VCG syntax, in particular: use quotearg.
19369 * src/print_graph.c: Don't.
19370 (print_actions): Don't output the actions as part of the nodes,
19371 since that's the job of the edges.
19372 (print_state): Don't output by hand: fill the node description,
19373 and ask for its output.
19374
19375 2001-11-19 Akim Demaille <akim@epita.fr>
19376
19377 * src/bison.simple (yyparse): When verbosely reporting an error,
19378 no longer put additional quotes around token names.
19379 * tests/calc.at: Adjust.
19380
19381 2001-11-19 Akim Demaille <akim@epita.fr>
19382
19383 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
19384 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
19385 * src/output.c: Adjust.
19386
19387 2001-11-19 Akim Demaille <akim@epita.fr>
19388
19389 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
19390 (rule_t): this.
19391 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
19392
19393 2001-11-19 Akim Demaille <akim@epita.fr>
19394
19395 * src/gram.h (rule_t): New.
19396 (rule_table): New.
19397 (rrhs, rlhs): Remove, part of state_t.
19398 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
19399 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
19400 * src/reader.c, src/reduce.c: Adjust.
19401
19402 2001-11-19 Akim Demaille <akim@epita.fr>
19403
19404 * src/reader.c (symbols_output): New, extracted from...
19405 (packsymbols): Here.
19406 (reader): Call it.
19407
19408 2001-11-19 Akim Demaille <akim@epita.fr>
19409
19410 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
19411 (maxrhs): this new function.
19412
19413 2001-11-19 Akim Demaille <akim@epita.fr>
19414
19415 * src/lalr.c (F): New macro to access the variable F.
19416 Adjust.
19417
19418 2001-11-19 Akim Demaille <akim@epita.fr>
19419
19420 * src/lalr.h (LA): New macro to access the variable LA.
19421 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19422 * src/lalr.c: Adjust.
19423
19424 2001-11-19 Akim Demaille <akim@epita.fr>
19425
19426 * src/lalr.c (initialize_LA): Only initialize LA. Let...
19427 (set_state_table): handle the `lookaheads' members.
19428
19429 2001-11-19 Akim Demaille <akim@epita.fr>
19430
19431 * src/lalr.h (lookaheads): Removed array, whose contents is now
19432 a member of...
19433 (state_t): this structure.
19434 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19435 Adjust.
19436
19437 2001-11-19 Akim Demaille <akim@epita.fr>
19438
19439 * src/lalr.h (consistent): Removed array, whose contents is now
19440 a member of...
19441 (state_t): this structure.
19442 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19443 Adjust.
19444
19445 2001-11-19 Akim Demaille <akim@epita.fr>
19446
19447 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
19448 contents are now members of...
19449 (state_t): this structure.
19450 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19451 Adjust.
19452
19453 2001-11-19 Akim Demaille <akim@epita.fr>
19454
19455 * src/lalr.h (state_t): New.
19456 (state_table): Be a state_t * instead of a core **.
19457 (accessing_symbol): Remove, part of state_t.
19458 * src/lalr.c: Adjust.
19459 (set_accessing_symbol): Merge into...
19460 (set_state_table): this.
19461 * src/print_graph.c, src/conflicts.c: Adjust.
19462
19463 2001-11-14 Akim Demaille <akim@epita.fr>
19464
19465 * tests/calc.at, tests/output.at, tests/regression.at,
19466 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
19467 now the tests are run in private dirs, therefore AC_CLEANUP and
19468 family can be simplified to 0-ary.
19469 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
19470 use abs. path to find config.h.
19471 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
19472 stderr, there can be way too much random noise.
19473 Instead pass -Werror to GCC and rely on the exit status.
19474 Reported by Wolfram Wagner.
19475
19476 2001-11-14 Akim Demaille <akim@epita.fr>
19477
19478 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
19479 defined only if yyoverflow is defined, to avoid `warning: unused
19480 variable `yyvs1''.
19481 Reported by The Test Suite.
19482
19483 2001-11-14 Akim Demaille <akim@epita.fr>
19484
19485 * src/print.c: Include reduce.h.
19486 Reported by Hans Aberg.
19487
19488 2001-11-14 Akim Demaille <akim@epita.fr>
19489
19490 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
19491 Revert a previous patch: these are really const.
19492 * src/conflicts.c (conflict_report): Additional useless pair of
19493 braces to pacify GCC's warnings for `if () if () {} else {}'.
19494 * src/lex.c (parse_percent_token): Replace equal_offset with
19495 arg_offset.
19496 arg is const.
19497 Be sure to strdup `arg' when used, since there is no reason for
19498 token_buffer not to change.
19499
19500 2001-11-14 Akim Demaille <akim@epita.fr>
19501
19502 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
19503 definition.
19504 * src/main.c (main): Use them.
19505 Suggested by Hans Aberg.
19506
19507 2001-11-12 Akim Demaille <akim@epita.fr>
19508
19509 * src/system.h (ngettext): Now that we use ngettext, be sure to
19510 provide a default definition when NLS are not used.
19511
19512 2001-11-12 Akim Demaille <akim@epita.fr>
19513
19514 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
19515 Use @kbd to denote user input.
19516 (Language and Grammar): ANSIfy the example.
19517 Adjust its layout for info/notinfo.
19518 (Location Tracking Calc): Output error messages to stderr.
19519 Output locations in a more GNUtically correct way.
19520 Fix a couple of Englishos.
19521 Adjust @group/@end group pairs.
19522
19523 2001-11-12 Akim Demaille <akim@epita.fr>
19524
19525 %expect was not functioning at all.
19526
19527 * src/conflicts.c (expected_conflicts): Set to -1.
19528 (conflict_report): Use ngettext.
19529 (conflicts_print): Check %expect and make its violation an error.
19530 * doc/bison.texinfo (Expect Decl): Adjust.
19531 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
19532 * tests/regression.at (%expect not enough, %expect right)
19533 (%expect too much): New.
19534
19535 2001-11-12 Akim Demaille <akim@epita.fr>
19536
19537 * tests/regression.at (Conflicts): Rename as...
19538 (Unresolved SR Conflicts): this.
19539 (Solved SR Conflicts): New.
19540
19541 2001-11-12 Akim Demaille <akim@epita.fr>
19542
19543 * src/reduce.c (print_results): Rename as...
19544 (reduce_output): This.
19545 Output to OUT, passed as argument, instead of output_obstack.
19546 (dump_grammar): Likewise.
19547 (reduce_free): New.
19548 Also free V1.
19549 (reduce_grammar): No longer call reduce_output, since...
19550 * src/print.c (print_results): do it.
19551 * src/main.c (main): Call reduce_free;
19552
19553 2001-11-12 Akim Demaille <akim@epita.fr>
19554
19555 * src/conflicts.c (print_reductions): Accept OUT as argument.
19556 Output to it, not to output_obstack.
19557 * src/print.c (print_actions): Adjust.
19558
19559 2001-11-12 Akim Demaille <akim@epita.fr>
19560
19561 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
19562 the result instead of using...
19563 (src_total, rrc_total, src_count, rrc_count): Remove.
19564 (any_conflicts): Remove.
19565 (print_conflicts): Split into...
19566 (conflicts_print, conflicts_output): New.
19567 * src/conflicts.h: Adjust.
19568 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
19569 * src/print.c (print_grammar): Issue `\n' between two rules.
19570 * tests/regression.at (Conflicts): New.
19571 Reported by Tom Lane.
19572
19573 2001-11-12 Akim Demaille <akim@epita.fr>
19574
19575 * tests/regression.at (Invalid input): Remove, duplicate with
19576 ``Invalid input: 1''.
19577
19578 2001-11-12 Akim Demaille <akim@epita.fr>
19579
19580 * tests/torture.at (AT_DATA_STACK_TORTURE)
19581 (Exploding the Stack Size with Alloca)
19582 (Exploding the Stack Size with Malloc): New.
19583
19584 2001-11-12 Akim Demaille <akim@epita.fr>
19585
19586 * src/bison.simple (YYSTACK_REALLOC): New.
19587 (yyparse) [!yyoverflow]: Use it and free the old stack.
19588 Reported by Per Allansson.
19589
19590 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
19591
19592 * src/bison.simple: Define type yystype instead of YYSTYPE, and
19593 define CPP macro, which substitute YYSTYPE by yystype.
19594 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
19595 with yyltype/YYLTYPE. This allows inclusion of the generated
19596 header within the parser if the compiler, such as GGC, accepts
19597 multiple equivalent #defines.
19598 From Akim.
19599
19600 2001-11-05 Akim Demaille <akim@epita.fr>
19601
19602 * src/reader.c (symbols_output): New, extracted from...
19603 (packsymbols): here.
19604 (reader): Adjust.
19605
19606 2001-11-05 Akim Demaille <akim@epita.fr>
19607
19608 * src/lex.c (parse_percent_token): s/quotearg/quote/.
19609
19610 2001-11-05 Akim Demaille <akim@epita.fr>
19611
19612 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
19613 pattern.
19614
19615 2001-11-05 Akim Demaille <akim@epita.fr>
19616
19617 * src/options.h (struct option_table_struct): set_flags is void*.
19618 * src/options.c (longopts): Support `--output' and `%output'.
19619 (usage): Adjust.
19620 * src/lex.h (tok_setopt): Remove, replaced with...
19621 (tok_intopt, tok_stropt): these new guys.
19622 * src/lex.c (getopt.h): Not needed.
19623 (token_buffer, unlexed_token_buffer): Not const.
19624 (percent_table): Promote `-' over `_' in directive names.
19625 Active `%name-prefix', `file-prefix', and `output'.
19626 (parse_percent_token): Accept possible arguments to directives.
19627 Promote `-' over `_' in directive names.
19628
19629 2001-11-04 Akim Demaille <akim@epita.fr>
19630
19631 * doc/bison.texinfo (Decl Summary): Split the list into
19632 `directives for grammars' and `directives for bison'.
19633 Sort'em.
19634 Add description of `%name-prefix', `file-prefix', and `output'.
19635 Promote `-' over `_' in directive names.
19636 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
19637 Simplify the description of `--name-prefix'.
19638 Promote `-' over `_' in directive names.
19639 Promote `--output' over `--output-file'.
19640 Fix the description of `--defines'.
19641 * tests/output.at: Exercise %file-prefix and %output.
19642
19643 2001-11-02 Akim Demaille <akim@epita.fr>
19644
19645 * doc/refcard.tex: Update.
19646
19647 2001-11-02 Akim Demaille <akim@epita.fr>
19648
19649 * src/symtab.h (SUNDEF): New.
19650 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
19651 stand for `uninitialized', instead of 0.
19652 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
19653 * src/lex.c (lex): Adjust.
19654
19655 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
19656 Number it 0.
19657 Let yylex return it instead of a plain 0.
19658 Reported by Dick Streefland.
19659
19660 2001-11-02 Akim Demaille <akim@epita.fr>
19661
19662 * tests/regression.at (Mixing %token styles): New test.
19663
19664 2001-11-02 Akim Demaille <akim@epita.fr>
19665
19666 * src/reader.c (parse_thong_decl): Formatting changes.
19667 (token_translations_init): New, extracted from...
19668 (packsymbols): Here.
19669 Adjust.
19670
19671 2001-11-01 Akim Demaille <akim@epita.fr>
19672
19673 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
19674 Check that `9foo.y' produces correct cpp guards.
19675 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
19676 guards.
19677 Reported by Wwp.
19678
19679 2001-11-01 Akim Demaille <akim@epita.fr>
19680
19681 * tests/regression.at (Invalid input: 2): New.
19682 * src/lex.c (unlexed_token_buffer): New.
19683 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
19684 too.
19685 Reported by Wwp.
19686
19687 2001-11-01 Akim Demaille <akim@epita.fr>
19688
19689 * tests/calc.at: Catch up with 1.30.
19690 * configure.in: Bump to 1.49a.
19691 Adjust to newer Autotest.
19692
19693 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
19694
19695 * src/conflicts.c: Move global variables rrc_total and src_total ...
19696 (print_conflicts): here.
19697 * src/output.c (output): Free global variable user_toknums.
19698 * src/lex.c (token_obstack): Become static.
19699
19700 2001-10-18 Akim Demaille <akim@epita.fr>
19701
19702 * tests/atlocal.in (GCC): Add.
19703 * tests/calc.at: s/m4_match/m4_bmatch/.
19704 s/m4_patsubst/m4_bpatsubst/.
19705 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
19706 * configure.in: AC_SUBST(GCC).
19707
19708 2001-10-14 Marc Autret <autret_m@epita.fr>
19709
19710 * src/options.c (create_long_option_table): Fix.
19711
19712 2001-10-10 Akim Demaille <akim@epita.fr>
19713
19714 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
19715
19716 2001-10-04 Akim Demaille <akim@epita.fr>
19717
19718 * src/reader.c (parse_union_decl): Push the caracters in
19719 union_obstack, not attrs_obstack.
19720
19721 2001-10-04 Akim Demaille <akim@epita.fr>
19722
19723 Merge in the branch 1.29.
19724
19725 * src/reader.c (packsymbols): Use a temporary obstack for
19726 `%%tokendef', since output_stack is already used elsewhere.
19727
19728 2001-10-02 Akim Demaille <akim@epita.fr>
19729
19730 Bump 1.29d.
19731
19732 2001-10-02 Akim Demaille <akim@epita.fr>
19733
19734 Version 1.29c.
19735
19736 2001-10-02 Akim Demaille <akim@epita.fr>
19737
19738 * tests/regression.at (Invalid CPP headers): New.
19739 From Alexander Belopolsky.
19740 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
19741
19742 2001-10-02 Akim Demaille <akim@epita.fr>
19743
19744 * tests/regression.at (Invalid input): New.
19745 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
19746 Reported by Shura.
19747
19748 2001-10-02 Akim Demaille <akim@epita.fr>
19749
19750 * tests/calc.at: Now that --debug works, the tests must be adjusted.
19751
19752 2001-10-02 Akim Demaille <akim@epita.fr>
19753
19754 * src/output.c (output_parser): Assert `skeleton'.
19755 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
19756 systems.
19757 From Shura.
19758
19759 2001-10-01 Marc Autret <autret_m@epita.fr>
19760
19761 * src/lex.h: Echo modifications.
19762 * src/lex.c (unlex): Parameter is now token_t.
19763 From Hans Aberg.
19764
19765 2001-10-01 Marc Autret <autret_m@epita.fr>
19766
19767 * src/main.c: Include lex.h.
19768 From Hans Aberg.
19769
19770 2001-09-29 Akim Demaille <akim@epita.fr>
19771
19772 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
19773
19774 2001-09-28 Akim Demaille <akim@epita.fr>
19775
19776 * tests/testsuite.at: Update to newer Autotest.
19777 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
19778
19779 2001-09-27 Akim Demaille <akim@epita.fr>
19780
19781 Position independent wrapper.
19782
19783 * tests/bison: Remove.
19784 * tests/bison.in: New.
19785 * configure.in: Adjust.
19786
19787 2001-09-27 Paul Eggert <eggert@twinsun.com>
19788
19789 Port quotearg fixes from tar 1.13.24.
19790
19791 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
19792 tm to be declared.
19793 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
19794 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
19795
19796 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
19797 * m4/mbrtowc.m4: New file.
19798 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
19799 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
19800
19801 2001-09-27 Akim Demaille <akim@epita.fr>
19802
19803 Bump to 1.29c.
19804
19805 2001-09-27 Akim Demaille <akim@epita.fr>
19806
19807 Version 1.29b.
19808
19809 2001-09-25 Akim Demaille <akim@epita.fr>
19810
19811 * src/system.h: Include `xalloc.h'.
19812 Remove it from the C files.
19813 * src/files.c (output_files): Free the obstacks.
19814 * src/lex.c (init_lex): Rename as...
19815 (lex_init): this.
19816 (lex_free): New.
19817 * src/main.c (main): Use it.
19818
19819 2001-09-24 Marc Autret <autret_m@epita.fr>
19820
19821 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
19822 to output informations in fout (FILE*).
19823 (open_graph, close_graph): Likewise.
19824 (output_graph, output_edge, output_node): Likewise.
19825 * src/vcg.h: Update function prototypes.
19826 * src/print_graph.c (print_graph): Open output graph file.
19827 (print_actions): Adjust.
19828 * src/files.h: Remove extern declaration.
19829 * src/files.c: Remove graph_obstack declaration.
19830 (open_files): Remove graph_obstack initialization.
19831 (output_files): Remove graph_obstack saving.
19832
19833 2001-09-24 Marc Autret <autret_m@epita.fr>
19834
19835 * src/files.c (compute_output_file_names): Fix.
19836
19837 2001-09-24 Marc Autret <autret_m@epita.fr>,
19838 Akim Demaille <akim@epita.fr>
19839
19840 * src/reader.c (reader): Remove call to free_symtab ().
19841 * src/main.c (main): Call it here.
19842 Include symtab.h.
19843 * src/conflicts.c (initialize_conflicts): Rename as...
19844 (solve_conflicts): this.
19845 * src/print.c (print_core, print_actions, print_state)
19846 (print_grammar): Dump to a file instead a `output_obstack'.
19847 (print_results): Dump `output_obstack', and then proceed with the
19848 FILE *.
19849 * src/files.c (compute_output_file_names, close_files): New.
19850 (output_files): Adjust.
19851 * src/main.c (main): Adjust.
19852
19853 2001-09-23 Marc Autret <autret_m@epita.fr>
19854
19855 * src/files.c (compute_header_macro): Computes header macro name
19856 from spec_defines_file when given.
19857
19858 2001-09-23 Marc Autret <autret_m@epita.fr>
19859
19860 * src/files.c (output_files): Add default extensions.
19861
19862 2001-09-22 Akim Demaille <akim@epita.fr>
19863
19864 * src/conflicts.c (finalize_conflicts): Rename as...
19865 (free_conflicts): this.
19866
19867 2001-09-22 Akim Demaille <akim@epita.fr>
19868
19869 * src/gram.c (gram_free): Rename back as...
19870 (dummy): this.
19871 (output_token_translations): Free `token_translations'.
19872 * src/symtab.c (free_symtab): Free the tag field.
19873
19874 2001-09-22 Akim Demaille <akim@epita.fr>
19875
19876 Remove `translations' as it is always set to true.
19877
19878 * src/gram.h: Adjust.
19879 * src/reader.c (packsymbols, parse_token_decl): Adjust
19880 * src/print.c (print_grammar): Adjust.
19881 * src/output.c (output_token_translations): Adjust.
19882 * src/lex.c (lex): Adjust.
19883 * src/gram.c: Be sure the set pointers to NULL.
19884 (dummy): Rename as...
19885 (gram_free): this.
19886
19887 2001-09-22 Akim Demaille <akim@epita.fr>
19888
19889 * configure.in: Invoke AM_LIB_DMALLOC.
19890 * src/system.h: Use dmalloc.
19891 * src/LR0.c: Be sure to have pointers initialized to NULL.
19892 (allocate_itemsets): Allocate kernel_items only if needed.
19893
19894 2001-09-22 Akim Demaille <akim@epita.fr>
19895
19896 * configure.in: Bump to 1.29b.
19897 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
19898 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
19899 need xmalloc.c in calc.y.
19900 From Pascal Bart.
19901
19902 2001-09-21 Akim Demaille <akim@epita.fr>
19903
19904 Version 1.29a.
19905 * Makefile.maint, config/config.guess, config/config.sub,
19906 * config/missing: Update from masters.
19907 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
19908 upon package.m4.
19909 * configure.in (ALL_LINGUAS): Add `tr'.
19910
19911 2001-09-21 Akim Demaille <akim@epita.fr>
19912
19913 * tests/Makefile.am (package.m4): Move to...
19914 ($(srcdir)/$(TESTSUITE)): here.
19915
19916 2001-09-20 Akim Demaille <akim@epita.fr>
19917
19918 * src/complain.c: No longer try to be standalone: use system.h.
19919 Don't assume __STDC__ is defined to 1. Just test if it is defined.
19920 * src/complain.h: Likewise.
19921 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
19922 Remove the unused variable `n'.
19923 From Albert Chin-A-Young.
19924
19925 2001-09-18 Marc Autret <autret_m@epita.fr>
19926
19927 * doc/bison.1: Update.
19928 * doc/bison.texinfo (Bison Options): Update --defines and --graph
19929 descriptions.
19930 (Option Cross Key): Update.
19931 Add --graph.
19932
19933 2001-09-18 Marc Autret <autret_m@epita.fr>
19934
19935 * tests/regression.at: New test (comment in %union).
19936
19937 2001-09-18 Marc Autret <autret_m@epita.fr>
19938
19939 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
19940 do that.
19941 Reported by Keith Browne.
19942
19943 2001-09-18 Marc Autret <autret_m@epita.fr>
19944
19945 * tests/output.at: Add tests for --defines and --graph.
19946
19947 2001-09-18 Marc Autret <autret_m@epita.fr>
19948
19949 * tests/output.at: Removes tests of %{header,src}_extension features.
19950
19951 2001-09-18 Akim Demaille <akim@epita.fr>
19952
19953 * tests/Makefile.am (package.m4): New.
19954 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
19955 (_AT_CHECK_CALC_ERROR): Likewise.
19956 Factor the `, ' part of verbose error messages.
19957
19958 2001-09-18 Marc Autret <autret_m@epita.fr>
19959
19960 * src/getargs.c (longopts): Declare --defines and --graph as options
19961 with optional arguments.
19962 * src/files.h: Add extern declarations.
19963 * src/files.c (spec_graph_file, spec_defines_file): New.
19964 (output_files): Update.
19965 Remove CPP-outed code.
19966
19967 2001-09-18 Marc Autret <autret_m@epita.fr>
19968
19969 Turn off %{source,header}_extension feature.
19970
19971 * src/files.c (compute_exts_from_gf): Update.
19972 (compute_exts_from_src): Update.
19973 (output_files): CPP-out useless code.
19974 * src/files.h: Remove {header,source}_extension extern declarations.
19975 * src/reader.c (parse_dquoted_param): CPP-out.
19976 (parse_header_extension_decl): Remove.
19977 (parse_source_extension_decl): Remove.
19978 (read_declarations): Remove cases tok_{hdrext,srcext}.
19979 * src/lex.c (percent_table): Remove {header,source}_extension entries.
19980 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
19981
19982 2001-09-10 Akim Demaille <akim@epita.fr>
19983
19984 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
19985 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
19986 (AT_CHECK_OUTPUT): this.
19987 Merely check ls' exit status, its output is useless.
19988
19989 2001-09-10 Akim Demaille <akim@epita.fr>
19990
19991 * tests/calc.at: Use m4_match.
19992 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
19993
19994 2001-09-10 Marc Autret <autret_m@epita.fr>,
19995 Akim Demaille <akim@epita.fr>
19996
19997 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
19998 enum color_e.
19999 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
20000 to `normal'.
20001 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
20002 * src/lex.h: Adjust prototype.
20003 (token_t): Add `tok_undef'.
20004 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
20005 (parse_percent_token): Now returns token_t.
20006 Add default statement in switch.
20007 (lex): Separate `c' as an input variable, from the token_t result
20008 part.
20009 (unlexed): Is a token_t.
20010
20011 2001-09-10 Akim Demaille <akim@epita.fr>
20012
20013 * configure.in: Bump to 1.29a.
20014
20015 2001-09-07 Akim Demaille <akim@epita.fr>
20016
20017 Version 1.29.
20018
20019 2001-08-30 Akim Demaille <akim@epita.fr>
20020
20021 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
20022 * m4/atconfig.m4: Remove.
20023 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
20024 * tests/bison: New.
20025 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
20026 m4_if, m4_patsubst, and m4_regexp.
20027 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
20028 `input' file instead of echo.
20029
20030 2001-08-29 Akim Demaille <akim@epita.fr>
20031
20032 Bump to 1.28e.
20033
20034 2001-08-29 Akim Demaille <akim@epita.fr>
20035
20036 Version 1.28d.
20037
20038 2001-08-29 Paul Eggert <eggert@twinsun.com>
20039
20040 * src/bison.simple (yyparse): Don't take the address of an
20041 item before the start of an array, as that doesn't conform to
20042 the C Standard.
20043
20044 2001-08-29 Robert Anisko <anisko_r@epita.fr>
20045
20046 * doc/bison.texinfo (Location Tracking Calc): New node.
20047
20048 2001-08-29 Paul Eggert <eggert@twinsun.com>
20049
20050 * src/output.c (output): Do not define const, as this now
20051 causes more problems than it cures.
20052
20053 2001-08-29 Akim Demaille <akim@epita.fr>
20054
20055 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
20056 the nodes.
20057 Be sure to tag the `detailmenu'.
20058
20059 2001-08-29 Akim Demaille <akim@epita.fr>
20060
20061 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
20062 download in a tmp dir.
20063
20064 2001-08-28 Marc Autret <autret_m@epita.fr>
20065
20066 * config/depcomp: New file.
20067
20068 2001-08-28 Marc Autret <autret_m@epita.fr>
20069
20070 * doc/bison.1 (mandoc): Adjust.
20071 From Juan Manuel Guerrero.
20072
20073 2001-08-28 Marc Autret <autret_m@epita.fr>
20074
20075 * src/print_graph.c (print_state): Fix.
20076
20077 2001-08-27 Marc Autret <autret_m@epita.fr>
20078
20079 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
20080 char * members.
20081 Echo modifications to the functions prototypes.
20082 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
20083
20084 2001-08-27 Marc Autret <autret_m@epita.fr>
20085
20086 * src/vcg.c: Include `xalloc.h'.
20087 (add_colorentry): New.
20088 (add_classname): New.
20089 (add_infoname): New.
20090 * src/vcg.h: Add new prototypes.
20091
20092 2001-08-27 Akim Demaille <akim@epita.fr>
20093
20094 * Makefile.maint: Sync. again with CVS Autoconf.
20095
20096 2001-08-27 Akim Demaille <akim@epita.fr>
20097
20098 * Makefile.maint: Formatting changes.
20099 (po-update, cvs-update, update): New targets.
20100 (AMTAR): Remove.
20101
20102 2001-08-27 Akim Demaille <akim@epita.fr>
20103
20104 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20105 * Makefile.maint: Sync. with CVS Autoconf.
20106
20107 2001-08-27 Marc Autret <autret_m@epita.fr>
20108
20109 * src/vcg.h (struct infoname_s): New.
20110 (struct colorentry_s): New.
20111 (graph_s): New fields {vertical,horizontal}_order in structure.
20112 Add `infoname' field.
20113 Add `colorentry' field;
20114 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
20115 (G_HORIZONTAL_ORDER): New.
20116 (G_INFONAME): New.
20117 (G_COLORENTRY): New.
20118 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
20119 Add output of `infoname'.
20120 Add output of `colorentry'.
20121
20122 2001-08-27 Marc Autret <autret_m@epita.fr>
20123
20124 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
20125 This one shadowed a global parameter.
20126
20127 2001-08-24 Marc Autret <autret_m@epita.fr>
20128
20129 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
20130 instead of `unsigned'.
20131 (print_state): Do not call obstack_object_size () in obstack_grow ()
20132 to avoid macro variables shadowing.
20133
20134 2001-08-23 Marc Autret <autret_m@epita.fr>
20135
20136 * src/lex.c (percent_table): Typo: s/naem/name/.
20137 Add graph option.
20138 Normalize new options declarations.
20139
20140 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
20141
20142 * tests/suite.at: Exercise %header_extension and %source_extension.
20143
20144 2001-08-16 Marc Autret <autret_m@epita.fr>
20145
20146 * src/reader.c (parse_dquoted_param): New.
20147 (parse_header_extension_decl): Use it.
20148 (parse_source_extension_decl): Likewise.
20149
20150 2001-08-16 Marc Autret <autret_m@epita.fr>
20151
20152 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
20153 (get_xxxx_str): Use assert () instead of complain ().
20154 Remove return invokations in default cases.
20155 (get_decision_str): Modify default behaviour. Remove second argument.
20156 Echo modifications on calls.
20157 (output_graph): Fix.
20158
20159 2001-08-16 Marc Autret <autret_m@epita.fr>
20160
20161 * src/getargs.c (usage): Update with ``-g, --graph''.
20162
20163 2001-08-16 Marc Autret <autret_m@epita.fr>
20164
20165 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
20166 (Option Cross Key): Likewise.
20167 * doc/bison.1: Update.
20168
20169 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
20170
20171 * src/output.c (output_master_parser): Don't finish action_obstack.
20172 (output_parser): Don't care about the muscle action, here.
20173 (prepare): Copy the action_obstack in the action muscle.
20174 (output): Free action_obstack.
20175
20176 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20177
20178 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
20179 will contain `%union' declaration.
20180 (parse_union_decl): Delete #line directive output.
20181 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
20182 informations about %union.
20183 (parse_union_decl): Copy the union_obstack in the muscle stype.
20184 * src/bison.simple: Add new #line directive.
20185 Add typdef %%stype YYSTYPE.
20186
20187 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20188
20189 * src/bison.simple: Add new `#line' directive.
20190
20191 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
20192
20193 * src/bison.simple: New `#line' directive.
20194 * src/output.c (output_parser): Support new dynamic muscle input_line.
20195
20196 2001-09-22 Marc Autret <autret_m@epita.fr>
20197
20198 * src/output.c (output_master_parser): New.
20199 (output_parser): Be more re-entrant.
20200
20201 2001-09-21 Marc Autret <autret_m@epita.fr>
20202
20203 * src/reader.c (copy_definition, parse_union_decl): Update and use
20204 `linef' muscle.
20205 (copy_action): Likewise.
20206 Use obstack_1grow ().
20207 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
20208
20209 2001-09-21 Marc Autret <autret_m@epita.fr>
20210
20211 * src/options.c (option_table): Adjust.
20212 * src/lex.c (parse_percent_token): Fix.
20213
20214 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20215
20216 * src/options.c (symtab.h): Include it, need by lex.h.
20217
20218 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20219
20220 * src/lex.c (parse_percent_token): Change type of variable `tx', which
20221 is now an option_table_struct*.
20222 (option_strcmp): New function option_strcmp.
20223 (parse_percent_token): Call option_strcmp.
20224 * src/getargs.c (xalloc.h, options.h): Include it.
20225 (getargs): Call create_long_option_table.
20226 (getargs): Free longopts at the end of the function.
20227 (shortopts): Move in options.c.
20228 * src/options.c (create_long_option_table): New function. Convert
20229 information from option_table to option structure.
20230 * src/reader.c (options.h): Include it.
20231
20232 * src/Makefile.am: Adjust.
20233 * src/options.c (option_table): Create from longopts and percent_table.
20234 * src/getargs.c (longopts): Delete.
20235 * src/lex.c (struct percent_table_struct): Delete.
20236 (percent_table): Delete.
20237 (options.h): Include it.
20238 * src/options.c: Create.
20239 * src/options.h: Create.
20240 Declare enum opt_access_e.
20241 Define struct option_table_struct.
20242
20243 2001-09-20 Marc Autret <autret_m@epita.fr>
20244
20245 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
20246 sections of Bison.
20247
20248 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
20249
20250 * src/bison.simple: s/%%filename/%%skeleton.
20251 * src/muscle_tab.c (getargs.h): Include it.
20252 (muscle_init): Insert new muscle skeleton.
20253
20254 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
20255
20256 * src/output.c (output_parser): Delete unused variable actions_dumped.
20257
20258 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
20259
20260 * src/output.c (output): Delete call to reader_output_yylsp.
20261 * src/reader.c (reader): Likewise.
20262 * src/reader.h: Delete declaration of reader_output_yylsp.
20263
20264 2001-09-02 Marc Autret <autret_m@epita.fr>
20265
20266 * src/reader.c: Include muscle_tab.h.
20267 (parse_union_decl): Update.
20268 (parse_macro_decl): Rename parse_muscle_decl.
20269 Update to use renamed functions and variable.
20270 (read_declarations, copy_action, read_additionnal_code, : Updated
20271 with correct variables and functions names.
20272 (packsymbols, reader): Likewise.
20273
20274 * src/reader.h (muscle_obstack): Extern declaration update.
20275
20276 * src/output.c: Include muscle_tab.h
20277 In all functions using macro_insert, change by using muscle_insert ().
20278 (macro_obstack): Rename muscle_obstack.
20279 Echo modifications in the whole file.
20280 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
20281 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
20282 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
20283
20284 * src/muscle_tab.h: Update double inclusion macros.
20285 (macro_entry_s): Rename muscle_entry_s.
20286 Update prototypes.
20287
20288 * src/muscle_tab.c: Include muscle_tab.h.
20289 Rename macro_tabble to muscle_table.
20290 (mhash1, mhash2, mcmp): Use muscle_entry.
20291 (macro_init): Rename muscle_init. Update.
20292 (macro_insert): Rename muscle_insert. Update.
20293 (macro_find): Rename muscle_find. Update.
20294
20295 * src/main.c: Include muscle_tab.h.
20296 (main): Call muscle_init ().
20297 * src/Makefile.am (bison_SOURCES): Echo modifications.
20298
20299 2001-09-02 Marc Autret <autret_m@epita.fr>
20300
20301 Now the files macro_tab.[ch] are named muscle_tab.[ch].
20302
20303 * src/muscle_tab.c, src/muscle_tab.h: Add files.
20304
20305 2001-09-02 Marc Autret <autret_m@epita.fr>
20306
20307 * src/macrotab.c, src/macrotab.h: Remove.
20308
20309 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
20310
20311 * src/reader.c (copy_guard): Use muscle to specify the `#line'
20312 filename.
20313
20314 2001-09-01 Marc Autret <autret_m@epita.fr>
20315
20316 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
20317 to an explicit value to activate the feature. We do it here.
20318
20319 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20320
20321 * src/output.c (prepare): Delete the `filename' muscule insertion.
20322 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
20323 (parse_union_decl): Likewise.
20324 * src/macrotab.c (macro_init): Initialize filename by infile.
20325
20326 2001-08-31 Marc Autret <autret_m@epita.fr>
20327
20328 * src/bison.simple (YYLSP_NEEDED): New definition.
20329 * src/output.c (prepare): Add macro insertion of `locations_flag'
20330
20331 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20332
20333 * src/output.c (prepare): Delete insertion of previous muscles,
20334 and insert the `prefix' muscles.
20335 * src/macrotab.c (macro_init): Likewise.
20336 (macro_init): Initialization prefix directive by `yy'.
20337 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
20338 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
20339 yylval, yydebug, yyerror, yynerrs and yyparse.
20340 New directive `#define' to substitute yydebug, ... with option
20341 name_prefix.
20342
20343 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20344
20345 * src/main.c (main): Standardize.
20346 * src/output.c (output_table_data, output_parser): Likewise.
20347 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
20348
20349 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
20350
20351 * src/reader.c (read_additionnal_code): Rename %%user_code to
20352 %%epilogue.
20353 * src/output.c (output): Rename %%declarations to %%prologue.
20354 * src/bison.simple: Echo modifications.
20355
20356 2001-08-31 Marc Autret <autret_m@epita.fr>
20357
20358 * src/reader.c (readgram): CleanUp.
20359 (output_token_defines): Likewise.
20360 (packsymbols): Likewise.
20361 (reader): Likewise.
20362 * src/output.c (output): CPP-out useless code.
20363
20364 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20365
20366 * src/reader.c (reader): Delete obsolete call to function
20367 output_trailers and output_headers.
20368 * src/output.h: Remove obsolete functions prototypes of output_headers
20369 and output_trailers.
20370
20371 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
20372
20373 * src/main.c: Include macrotab.h.
20374 * src/macrotab.h (macro_entry_s): Constify fields.
20375 Adjust functions prototypes.
20376 * src/macrotab.c (macro_insert): Constify key and value.
20377 (macro_find): Constify key.
20378 (macro_insert): Include 'xalloc.h'
20379 (macro_insert): Use XMALLOC.
20380 (macro_find): Constify return value.
20381 * src/output.c (output_table_data): Rename table to table_data.
20382 (output_parser): Constify macro_key, macro_value.
20383
20384 2001-08-30 Marc Autret <autret_m@epita.fr>
20385
20386 * src/reader.c (parse_skel_decl): New.
20387 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
20388 * src/lex.h (token_t): New token `tok_skel'.
20389 * src/lex.c (percent_table): Add skeleton option entry.
20390 Standardize.
20391
20392 2001-08-29 Marc Autret <autret_m@epita.fr>
20393
20394 * src/bison.simple: Add %%user_code directive at the end.
20395 * src/reader.c (read_additionnal_code): New.
20396 (reader): Use it.
20397 * src/output.c (output_program): Remove.
20398 (output): Update.
20399
20400 2001-08-28 Marc Autret <autret_m@epita.fr>
20401
20402 * src/output.c (output_actions): Clean up.
20403 (output_gram): CPP-out useless code.
20404 * src/reader.c (reader): Clean up, CPP-out useless code.
20405
20406 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
20407
20408 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
20409 directive.
20410 * src/bison.simple: Add `%%definitions'.
20411
20412 2001-08-28 Marc Autret <autret_m@epita.fr>
20413
20414 * config/depcomp: New file.
20415
20416 2001-08-27 Paul Eggert <eggert@twinsun.com>
20417
20418 * src/bison.simple (yyparse): Don't take the address of an
20419 item before the start of an array, as that doesn't conform to
20420 the C Standard.
20421
20422 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20423
20424 * src/output.c (output): Remove the initialization of the macro
20425 obstack. It was done too late here.
20426
20427 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
20428 completely wrong.
20429 (reader): Initialize the macro obstack here, since we need it to grow
20430 '%define' directives.
20431
20432 * src/reader.h: Declare the macro obstack as extern.
20433
20434 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20435
20436 * src/output.c (output_parser): Fix. Store single '%' characters in
20437 the output obstack instead of throwing them away.
20438
20439 2001-08-27 Akim Demaille <akim@epita.fr>
20440
20441 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20442
20443 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20444
20445 * lib/Makefile.am: Adjust.
20446
20447 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20448
20449 * src/bison.simple: Update and add '%%' directives.
20450
20451 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20452
20453 * src/reader.c (reader): Remove calls to 'output_headers' and
20454 'output_trailers'. Remove some C output.
20455 (readgram): Disable a piece of code that was writing a default
20456 definition for 'YYSTYPE'.
20457 (reader_output_yylsp): Remove.
20458 (packsymbols): Output token defintions to a macro.
20459 (copy_definition): Disable C output.
20460
20461 * src/reader.c (parse_macro_decl): New function used to parse macro
20462 declarations.
20463 (copy_string2): Put the body of copy_string into this new function.
20464 Add a parameter to let the caller choose whether he wants to copy the
20465 string delimiters or not.
20466 (copy_string): Be a simple call to copy_string2 with the last argument
20467 bound to true.
20468 (read_declarations): Add case for macro definition.
20469 (copy_identifier): New.
20470 (parse_macro_decl): Read macro identifiers using copy_identifier
20471 rather than lex.
20472
20473 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20474
20475 * src/output.c (prepare): Add prefixed names.
20476 (output_parser): Output semantic actions.
20477 (output_parser): Fix bug on '%%line' directives.
20478
20479 * src/output.c (output_headers): Remove. The C code printed by this
20480 function should now be in the skeletons.
20481 (output_trailers): Remove.
20482 (output): Disable call to 'reader_output_yylsp'.
20483 (output_rule_data): Do not output tables to the table obstack.
20484
20485 * src/output.c: Remove some C dedicated output.
20486 Improve the use of macro and output obstacks.
20487 (output_defines): Remove.
20488
20489 * src/output.c (output_token_translations): Associate 'translate'
20490 table with a macro. No output to the table obstack.
20491 (output_gram): Same for 'rhs' and 'prhs'.
20492 (output_stos): Same for 'stos'.
20493 (output_rule_data): Same for 'r1' and 'r2'.
20494 (token_actions): Same for 'defact'.
20495 (goto_actions): Same for 'defgoto'.
20496 (output_base): Same for 'pact' and 'pgoto'.
20497 (output_table): Same for 'table'.
20498 (output_check): Same for 'check'.
20499
20500 * src/output.c (output_table_data): New function.
20501 (output_short_table): Remove.
20502 (output_short_or_char_table): Remove.
20503
20504 * src/output.c (output_parser): Replace most of the skeleton copy code
20505 with something new. Skeletons are now processed character by character
20506 rather than line by line, and Bison looks for '%%' macros. This is the
20507 first step in making Bison's output process (a lot) more flexible.
20508 (output_parser): Use the macro table.
20509
20510 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20511
20512 * src/main.c (main): Initialize the macro table.
20513
20514 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20515
20516 * src/lex.c (percent_table): Add tok_define.
20517 * src/lex.h: Add tok_define.
20518
20519 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20520
20521 * src/macrotab.c: New file.
20522 * src/macrotab.h: New file.
20523 * src/Makefile.am: Update.
20524
20525 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20526
20527 * lib/hash.c: New file.
20528 * lib/hash.h: New file.
20529 * lib/Makefile.am: Update.
20530
20531 2001-08-15 Akim Demaille <akim@epita.fr>
20532
20533 Version 1.28c.
20534
20535 2001-08-15 Marc Autret <autret_m@epita.fr>
20536
20537 * src/reader.c (readgram): Indent output macro YYSTYPE.
20538 (packsymbols): Likewise.
20539 (output_token_defines): Likewise.
20540 * src/files.c: Standardize.
20541 (compute_header_macro): New.
20542 (defines_obstack_save): New. Use compute_header_macro.
20543 (output_files): Update. Use defines_obstack_save.
20544
20545 2001-08-15 Akim Demaille <akim@epita.fr>
20546
20547 * doc/bison.texinfo (Table of Symbols): Document
20548 YYSTACK_USE_ALLOCA.
20549
20550 2001-08-15 Akim Demaille <akim@epita.fr>
20551
20552 * missing: Update from CVS Automake.
20553 * config/config.guess, config/config.sub, config/texinfo.tex:
20554 Update from gnu.org.
20555
20556 2001-08-15 Akim Demaille <akim@epita.fr>
20557
20558 * Makefile.maint: Sync with CVS Autoconf.
20559
20560 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
20561
20562 * doc/bison.texinfo: Include GNU Free Documentation License from
20563 `fdl.texi'.
20564 * doc/fdl.texi: Add to package.
20565
20566 2001-08-14 Marc Autret <autret_m@epita.fr>
20567
20568 Turn on %{source,header}_extension features.
20569
20570 * src/lex.c (percent_table): Un-CPP out header_extension and
20571 source_extension.
20572 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
20573 (compute_exts_from_src): Remove conditions. It restores priorities
20574 between options.
20575
20576 2001-08-14 Marc Autret <autret_m@epita.fr>
20577
20578 * src/files.c (compute_base_names): Add extensions computing when
20579 `--file-prefix' used.
20580 Standardize function calls.
20581
20582 2001-08-13 Marc Autret <autret_m@epita.fr>
20583
20584 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
20585 defining it (defined but null disables alloca).
20586
20587 2001-08-13 Marc Autret <autret_m@epita.fr>
20588
20589 * src/bison.simple (_yy_memcpy): CPP reformat.
20590
20591 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
20592
20593 * tests/atconfig.in (CPPFLAGS): Fix.
20594
20595 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
20596
20597 * doc/bison.texinfo: Include GNU General Public License from
20598 `gpl.texi'.
20599 * doc/gpl.texi: Add to package.
20600
20601 2001-08-10 Marc Autret <autret_m@epita.fr>
20602
20603 * src/print_graph.h: Fix.
20604 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
20605
20606 2001-08-10 Akim Demaille <akim@epita.fr>
20607
20608 * src/system.h: Provide default declarations for stpcpy, strndup,
20609 and strnlen.
20610
20611 2001-08-10 Robert Anisko <anisko_r@epita.fr>
20612
20613 * doc/bison.texinfo (Locations): Update @$ stuff.
20614
20615 2001-08-09 Robert Anisko <anisko_r@epita.fr>
20616
20617 * src/bison.simple (YYLLOC_DEFAULT): Update.
20618 (yyparse): Adjust.
20619
20620 2001-08-08 Marc Autret <autret_m@epita.fr>
20621
20622 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
20623 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
20624 Reported by Fabrice Bauzac.
20625
20626 2001-08-08 Marc Autret <autret_m@epita.fr>
20627
20628 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
20629 * src/vcg.c (output_node): Fix.
20630 * src/vcg.h: Cleanup.
20631 * src/print_graph.c: Add comments.
20632 (node_output_size): New global variable. Simplify the formatting of
20633 the VCG graph output.
20634 (print_actions): Unused code is now used. It notifies the final state
20635 and no action states in the VCG graph. It also give the reduce actions.
20636 The `shift and goto' edges are red and the `go to state' edges are
20637 blue.
20638 Get the current node name and node_obstack by argument.
20639 (node_obstack): New variable.
20640 (print_state): Manage node_obstack.
20641 (print_core): Use node_obstack given by argument.
20642 A node is not only computed here but in print_actions also.
20643 (print_graph): CPP out useless code instead of commenting it.
20644
20645 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
20646
20647 * tests/atconfig.in (CPPFLAGS): Fix.
20648
20649 2001-08-07 Akim Demaille <akim@epita.fr>
20650
20651 * src/print_graph.c (quote): New.
20652 (print_core): Use it.
20653
20654 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
20655
20656 * src/vcg.c (complain.h): Include it.
20657 Unepitaize `return' invocations.
20658 [NDEBUG] (main): Remove.
20659 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
20660 * src/files.c (open_files): Initialize graph_obstack.
20661 * src/print_graph.c (print_actions): CPP out useless code.
20662 (print_core): Don't output the last `\n' in labels.
20663 Use `quote'.
20664 * src/files.c (output_files): Output the VCG file.
20665 * src/main.c (main): Invoke print_graph ();
20666
20667 2001-08-06 Marc Autret <autret_m@epita.fr>
20668
20669 Automaton VCG graph output.
20670 Using option ``-g'' or long option ``--graph'', you can generate
20671 a gram_filename.vcg file containing a VCG description of the LALR (1)
20672 automaton of your grammar.
20673
20674 * src/main.c: Call to print_graph() function.
20675 * src/getargs.h: Update.
20676 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
20677 (graph_flag): New flag.
20678 (longopts): Update.
20679 (getargs): Add case `g'.
20680 * src/files.c (graph_obstack): New obstack struct.
20681 (open_files): Initialize new obstack.
20682 (output_files): Saves graph_obstack if required.
20683 * src/files.h (graph_obstack): New extern declaration.
20684 * src/Makefile.am: Add new source files.
20685
20686 2001-08-06 Marc Autret <autret_m@epita.fr>
20687
20688 * src/print_graph.c, src/print_graph.h (graph): New.
20689 * src/vcg.h: New file.
20690 * src/vcg.c: New file, VCG graph handling.
20691
20692 2001-08-06 Marc Autret <autret_m@epita.fr>
20693
20694 Add of %source_extension and %header_extension which specify
20695 the source or/and the header output file extension.
20696
20697 * src/files.c (compute_base_names): Remove initialisation of
20698 src_extension and header_extension.
20699 (compute_exts_from_gf): Update.
20700 (compute_exts_from_src): Update.
20701 (output_files): Update.
20702 * src/reader.c (parse_header_extension_decl): New.
20703 (parse_source_extension_decl): New.
20704 (read_declarations): New case statements for the new tokens.
20705 * src/lex.c (percent_table): Add entries for %source_extension
20706 and %header_extension.
20707 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
20708
20709 2001-08-06 Marc Autret <autret_m@epita.fr>
20710
20711 * configure.in: Bump to 1.28c.
20712 * doc/bison.texinfo: Texinfo thingies.
20713
20714 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
20715
20716 * tests/atconfig.in (CPPFLAGS): Add.
20717 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
20718
20719 2001-08-03 Akim Demaille <akim@epita.fr>
20720
20721 Version 1.28b.
20722
20723 2001-08-03 Akim Demaille <akim@epita.fr>
20724
20725 * tests/Makefile.am (check-local): Ship testsuite.
20726 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
20727 Include `string.h'.
20728
20729 2001-08-03 Akim Demaille <akim@epita.fr>
20730
20731 * configure.in: Try using -Wformat when compiling.
20732
20733 2001-08-03 Akim Demaille <akim@epita.fr>
20734
20735 * configure.in: Bump to 1.28b.
20736
20737 2001-08-03 Akim Demaille <akim@epita.fr>
20738
20739 * src/complain.c: Adjust strerror_r portability issues.
20740
20741 2001-08-03 Akim Demaille <akim@epita.fr>
20742
20743 Version 1.28a.
20744
20745 2001-08-03 Akim Demaille <akim@epita.fr>
20746
20747 * src/getargs.c, src/getarg.h (skeleton)): Constify.
20748 * src/lex.c (literalchar): Avoid name clashes on `buf'.
20749 * src/getargs.c: Include complain.h.
20750 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
20751 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
20752
20753 2001-08-03 Akim Demaille <akim@epita.fr>
20754
20755 * src/reader.c (readgram): Display hidden chars in error messages.
20756
20757 2001-08-03 Akim Demaille <akim@epita.fr>
20758
20759 Update to gettext 0.10.39.
20760
20761 2001-08-03 Akim Demaille <akim@epita.fr>
20762
20763 * lib/strspn.c: New.
20764
20765 2001-08-01 Marc Autret <autret_m@epita.fr>
20766
20767 * doc/bison.texinfo: Update.
20768 * doc/bison.1 (mandoc): Update.
20769 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
20770 * src/files.c: Support output files extensions computing.
20771 (src_extension): New static variable.
20772 (header_extension): New static variable.
20773 (tr): New function.
20774 (get_extension_index): New function, gets the index of an extension
20775 filename in a string.
20776 (compute_exts_from_gf): New function, computes extensions from the
20777 grammar file extension.
20778 (compute_exts_from_src): New functions, computes extensions from the
20779 C source file extension, file given by ``-o'' option.
20780 (compute_base_names): Update.
20781 (output_files): Update.
20782
20783 2001-08-01 Robert Anisko <anisko_r@epita.fr>
20784
20785 * doc/bison.texi: Document @$.
20786 (Locations): New section.
20787
20788 2001-07-18 Akim Demaille <akim@epita.fr>
20789
20790 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
20791 * config/prev-version.txt, config/move-if-change: New.
20792 * Makefile.am: Adjust.
20793
20794 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
20795
20796 * src/bison.simple (yyparse): Suppress warning `comparaison
20797 between signed and unsigned'.
20798
20799 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
20800
20801 * src/getargs.h (raw_flag): Remove.
20802 * src/getargs.c: Die on `-r'/`--raw'.
20803 * src/lex.c (parse_percent_token): Die on `%raw'.
20804 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
20805 * tests/calc.at: Suppress test with option `--raw'.
20806
20807 2001-07-14 Akim Demaille <akim@epita.fr>
20808
20809 * config/: New.
20810 * configure.in: Require Autoconf 2.50.
20811 Update to gettext 0.10.38.
20812
20813 2001-03-16 Akim Demaille <akim@epita.fr>
20814
20815 * doc/bison.texinfo: ANSIfy the examples.
20816
20817 2001-03-16 Akim Demaille <akim@epita.fr>
20818
20819 * getargs.c (skeleton): New variable.
20820 (longopts): --skeleton is a new option.
20821 (shortopts, getargs): -S is a new option.
20822 * getargs.h: Declare skeleton.
20823 * output.c (output_parser): Use it.
20824
20825 2001-03-16 Akim Demaille <akim@epita.fr>
20826
20827 * m4/strerror_r.m4: New.
20828 * m4/error.m4: Run AC_FUNC_STRERROR_R.
20829 * lib/error.h, lib/error.c: Update.
20830
20831 2001-03-16 Akim Demaille <akim@epita.fr>
20832
20833 * src/getargs.c (longopts): Clean up.
20834
20835 2001-02-21 Akim Demaille <akim@epita.fr>
20836
20837 * src/reader.c (gensym): `gensym_count' is your own.
20838 Use a static buf to create the symbol name, as token_buffer is no
20839 longer a buffer.
20840
20841 2001-02-08 Akim Demaille <akim@epita.fr>
20842
20843 * src/conflicts.c (conflict_report): Be sure not to append to res
20844 between two calls, which could happen if both first sprintf were
20845 skipped, but not the first cp += strlen.
20846
20847 2001-02-08 Akim Demaille <akim@epita.fr>
20848
20849 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
20850 New, from fileutils 4.0.37.
20851 * configure.in: Require Autoconf 2.49c. I took some time before
20852 making this decision. This is the only way out for portability
20853 issues in Bison, it would mean way too much duplicate effort to
20854 import in Bison features implemented in 2.49c since 2.13.
20855 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
20856
20857 2001-02-02 Akim Demaille <akim@epita.fr>
20858
20859 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
20860 * lib/xalloc.h, lib/xmalloc.c: Update.
20861
20862 2001-01-19 Akim Demaille <akim@epita.fr>
20863
20864 Get rid of the ad hoc handling of token_buffer in the scanner: use
20865 the obstacks.
20866
20867 * src/lex.c (token_obstack): New.
20868 (init_lex): Initialize it. No longer call...
20869 (grow_token_buffer): this. Remove it.
20870 Adjust all the places which used it to use the obstack.
20871
20872 2001-01-19 Akim Demaille <akim@epita.fr>
20873
20874 * src/lex.h: Rename all the tokens:
20875 s/\bENDFILE\b/tok_eof/g;
20876 s/\bIDENTIFIER\b/tok_identifier/g;
20877 etc.
20878 Let them be enums, not #define, to ease debugging.
20879 Adjust all the code.
20880
20881 2001-01-18 Akim Demaille <akim@epita.fr>
20882
20883 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
20884 * src/lex.c (maxtoken, grow_token_buffer): Static.
20885
20886 2001-01-18 Akim Demaille <akim@epita.fr>
20887
20888 Since we now use obstacks, more % directives can be enabled.
20889
20890 * src/lex.c (percent_table): Also accept `%yacc',
20891 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
20892 `%debug'.
20893 Handle the actions for `%semantic_parser' and `%pure_parser' here,
20894 instead of returning a token.
20895 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
20896 * src/reader.c (read_declarations): Adjust.
20897 * src/files.c (open_files): Don't call `compute_base_names', don't
20898 compute `attrsfile' since they depend upon data which might be
20899 *in* the input file now.
20900 (output_files): Do it here.
20901 * src/output.c (output_headers): Document the fact that this patch
20902 introduces a guaranteed SEGV for semantic parsers.
20903 * doc/bison.texinfo: Document them.
20904 * tests/suite.at: Exercise these %options.
20905
20906 2000-12-20 Akim Demaille <akim@epita.fr>
20907
20908 Also handle the output file (--verbose) with obstacks.
20909
20910 * files.c (foutput): Remove.
20911 (output_obstack): New.
20912 Adjust all dependencies.
20913 * src/conflicts.c: Return a string.
20914 * src/system.h (obstack_grow_string): Rename as...
20915 (obstack_sgrow): this. Be ready to work with non literals.
20916 (obstack_fgrow4): New.
20917
20918 2000-12-20 Akim Demaille <akim@epita.fr>
20919
20920 * src/files.c (open_files): Fix the computation of short_base_name
20921 in the case of `-o foo.tab.c'.
20922
20923 2000-12-20 Akim Demaille <akim@epita.fr>
20924
20925 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
20926 (copy_dollar): Now that everything uses obstacks, get rid of the
20927 FILE * parameters.
20928
20929 2000-12-20 Akim Demaille <akim@epita.fr>
20930
20931 * src/files.c (open_files): Actually the `.output' file is based
20932 on the short_base_name, not base_name.
20933 * tests/suite.at (Checking output file names): Adjust.
20934
20935 2000-12-20 Akim Demaille <akim@epita.fr>
20936
20937 * src/bison.s1: Remove, we now use directly...
20938 * src/bison.simple: this.
20939 * src/Makefile.am: Use pkgdata instead of data.
20940
20941 2000-12-20 Akim Demaille <akim@epita.fr>
20942
20943 * src/files.c (guard_obstack): New.
20944 (open_files): Initialize it.
20945 (output_files): Dump it...
20946 * src/files.h: Export it.
20947 * src/reader.c (copy_guard): Use it.
20948
20949 2000-12-19 Akim Demaille <akim@epita.fr>
20950
20951 * src/files.c (outfile, defsfile, actfile): Removed as global
20952 vars.
20953 (open_files): Don't compute them.
20954 (output_files): Adjust.
20955 (base_name, short_base_name): Be global.
20956 Adjust dependencies.
20957
20958 2000-12-19 Akim Demaille <akim@epita.fr>
20959
20960 * src/files.c (strsuffix): New.
20961 (stringappend): Be just like strcat but allocate.
20962 (base_names): Eve out from open_files.
20963 Try to simplify the rather hairy computation of base_name and
20964 short_base_name.
20965 (open_files): Use it.
20966 * tests/suite.at (Checking output file names): New test.
20967
20968 2000-12-19 Akim Demaille <akim@epita.fr>
20969
20970 * src/system.h (obstack_grow_literal_string): Rename as...
20971 (obstack_grow_string): this.
20972 * src/output.c (output_parser): Recognize `%% actions' instead of
20973 `$'.
20974 * src/bison.s1: s/$/%% actions/.
20975 * src/bison.hairy: Likewise.
20976
20977 2000-12-19 Akim Demaille <akim@epita.fr>
20978
20979 * src/output.c (output_parser): Compute the `#line' lines when
20980 there are.
20981 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
20982 Suggested by Hans Aberg.
20983
20984 2000-12-19 Akim Demaille <akim@epita.fr>
20985
20986 Let the handling of the skeleton files be local to the procedures
20987 that use it.
20988
20989 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
20990 longer static.
20991 (fparser, open_extra_files): Remove.
20992 (open_files, output_files): Don't take care of fparser.
20993 * src/files.h: Adjust.
20994 * src/output.c (output_parser): Open and close the file to the
20995 skeleton.
20996 * src/reader.c (read_declarations): When %semantic_parser, open
20997 fguard.
20998
20999 2000-12-19 Akim Demaille <akim@epita.fr>
21000
21001 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
21002 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
21003
21004 2000-12-19 Akim Demaille <akim@epita.fr>
21005
21006 * src/files.c (open_files): Yipee! We no longer need all the code
21007 looking for `/tmp' since we have no tmp file.
21008
21009 2000-12-19 Akim Demaille <akim@epita.fr>
21010
21011 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
21012 New macros.
21013 * src/files.c (open_files): Less dependency on MSDOS etc.
21014
21015 2000-12-14 Akim Demaille <akim@epita.fr>
21016
21017 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
21018 Provide a default definition.
21019 Use it when executing the default @ action.
21020 * src/reader.c (reader_output_yylsp): No longer include
21021 `timestamp' and `text' in the default YYLTYPE.
21022
21023 2000-12-12 Akim Demaille <akim@epita.fr>
21024
21025 * src/reader.c (copy_definition, parse_union_decl, copy_action)
21026 (copy_guard): Quote the file names.
21027 Reported by Laurent Mascherpa.
21028
21029 2000-12-12 Akim Demaille <akim@epita.fr>
21030
21031 * src/output.c (output_headers, output_program, output): Be sure
21032 to escape special characters when outputting filenames.
21033 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
21034 (output_headers): Don't depend on them, Use ACTSTR.
21035
21036 2000-11-17 Akim Demaille <akim@epita.fr>
21037
21038 * lib/obstack.h: Formatting changes.
21039 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
21040 prevents type checking.
21041 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
21042 cast the value to (void *): assigning a `foo *' to a `void *'
21043 variable is valid.
21044 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
21045 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
21046 append characters.
21047
21048 2000-11-17 Akim Demaille <akim@epita.fr>
21049
21050 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
21051 as...
21052 (suite.m4, regression.m4, calc.m4): these.
21053 * tests/atgeneral.m4: Update from CVS Autoconf.
21054
21055 2000-11-17 Akim Demaille <akim@epita.fr>
21056
21057 * tests/regression.m4 (%union and --defines): New test,
21058 demonstrating a current bug in the obstack implementation.
21059
21060 2000-11-17 Akim Demaille <akim@epita.fr>
21061
21062 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
21063 macros.
21064 Use them to declare the variables which are global or local to
21065 `yyparse'.
21066
21067 2000-11-17 Akim Demaille <akim@epita.fr>
21068
21069 * acconfig.h: Remove, no longer used.
21070
21071 2000-11-07 Akim Demaille <akim@epita.fr>
21072
21073 * src: s/Copyright (C)/Copyright/g.
21074
21075 2000-11-07 Akim Demaille <akim@epita.fr>
21076
21077 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
21078 defining.
21079 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
21080
21081 2000-11-07 Akim Demaille <akim@epita.fr>
21082
21083 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
21084 Merge in a single CPP if/else.
21085
21086 2000-11-07 Akim Demaille <akim@epita.fr>
21087
21088 * src/output.c (output): Remove useless variables.
21089 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
21090 argument `data' for consistency with the prototypes.
21091 Qualify it `const'.
21092 (obstack_copy, obstack_copy0): Rename the second argument as
21093 `address' for consistency. Qualify it `const'.
21094 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
21095 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
21096 `const' their input argument (`data' or `address').
21097 Adjust the corresponding macros to include `const' in casts.
21098
21099 2000-11-03 Akim Demaille <akim@epita.fr>
21100
21101 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
21102 s/PFILE1/BISON_HAIRY/.
21103 Adjust dependencies.
21104
21105 2000-11-03 Akim Demaille <akim@epita.fr>
21106
21107 For some reason, this was not applied.
21108
21109 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21110 `unlink': it's no longer used.
21111
21112 2000-11-03 Akim Demaille <akim@epita.fr>
21113
21114 * src/files.c (skeleton_find): New function, eved out of...
21115 (open_files, open_extra_files): here.
21116
21117 2000-11-03 Akim Demaille <akim@epita.fr>
21118
21119 Don't use `atexit'.
21120
21121 * src/files.c (obstack_save): New function.
21122 (done): Rename as...
21123 (output_files): this.
21124 Use `obstack_save'.
21125 * src/main.c (main): Don't use `atexit' to register `done', since
21126 it no longer has to remove tmp files, just call `output_files'
21127 when there are no errors.
21128
21129 2000-11-02 Akim Demaille <akim@epita.fr>
21130
21131 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21132 `unlink': it's no longer used.
21133 * src/files.h: Formatting changes.
21134
21135 2000-11-02 Akim Demaille <akim@epita.fr>
21136
21137 Remove the last uses of mktemp and unlink/delete.
21138
21139 * src/files.c (fdefines, ftable): Removed.
21140 (defines_ostack, table_obstack): New.
21141 Adjust dependencies of the former into uses of the latter.
21142 * src/output.c (output_short_or_char_table, output_short_table):
21143 Convert to using obstacks.
21144 * src/reader.c (copy_comment2): Accept one FILE * and two
21145 obstacks.
21146 (output_token_defines, reader_output_yylsp): Use obstacks.
21147 * src/system.h (obstack_fgrow3): New.
21148 * po/POTFILES.in: Adjust.
21149
21150 2000-11-01 Akim Demaille <akim@epita.fr>
21151
21152 Change each use of `fattrs' into a use of `attrs_obstack'.
21153
21154 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
21155 * src/files.c (fattrs): Remove.
21156 (attrs_obstack): New.
21157 Adjust all dependencies.
21158 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
21159
21160 2000-11-01 Akim Demaille <akim@epita.fr>
21161
21162 Introduce obstacks.
21163 Change each use of `faction' into a use of `action_obstack'.
21164
21165 * lib/obstack.h, lib/obstack.c: New files.
21166 * src/files.c (faction): Remove.
21167 (action_obstack): New.
21168 Adjust all dependencies.
21169
21170 2000-10-20 Akim Demaille <akim@epita.fr>
21171
21172 * lib/quote.h (PARAMS): New macro. Use it.
21173
21174 2000-10-16 Akim Demaille <akim@epita.fr>
21175
21176 * src/output.c (output_short_or_char_table): New function.
21177 (output_short_table, output_token_translations): Use it.
21178 (goto_actions): Use output_short_table.
21179
21180 2000-10-16 Akim Demaille <akim@epita.fr>
21181
21182 * src/symtab.c (bucket_new): New function.
21183 (getsym): Use it.
21184
21185 * src/output.c (output_short_table): New argument to display the
21186 comment associated with the table.
21187 Adjust dependencies.
21188 (output_gram): Use it.
21189 (output_rule_data): Nicer output layout for YYTNAME.
21190
21191 2000-10-16 Akim Demaille <akim@epita.fr>
21192
21193 * src/lex.c (read_typename): New function.
21194 (lex): Use it.
21195 * src/reader.c (copy_dollar): Likewise.
21196
21197 2000-10-16 Akim Demaille <akim@epita.fr>
21198
21199 * src/reader.c (copy_comment2): Expect the input stream to be on
21200 the `/' which is suspected to open a comment, instead of being
21201 called after `//' or `/*' was read.
21202 (copy_comment, copy_definition, parse_union_decl, copy_action)
21203 (copy_guard): Adjust.
21204
21205 2000-10-16 Akim Demaille <akim@epita.fr>
21206
21207 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
21208 `read_signed_integer'.
21209
21210 2000-10-16 Akim Demaille <akim@epita.fr>
21211
21212 * src/reader.c (copy_dollar): New function.
21213 (copy_guard, copy_action): Use it.
21214
21215 2000-10-16 Akim Demaille <akim@epita.fr>
21216
21217 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
21218 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
21219 New files, from Fileutils 4.0.27.
21220 * src/main.c (printable_version): Remove.
21221 * src/lex.c, src/reader.c: Use `quote'.
21222
21223 2000-10-04 Akim Demaille <akim@epita.fr>
21224
21225 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
21226
21227 2000-10-04 Akim Demaille <akim@epita.fr>
21228
21229 * doc/bison.texinfo: Various typos spotted by Neil Booth.
21230
21231 2000-10-04 Akim Demaille <akim@epita.fr>
21232
21233 When a literal string is used to define two different tokens,
21234 `bison -v' segfaults.
21235 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
21236
21237 * tests/regression.m4: New file.
21238 Include the core of the sample provided by Piotr Gackiewicz.
21239 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
21240 properly.
21241
21242 2000-10-04 Akim Demaille <akim@epita.fr>
21243
21244 * src/reader.c (parse_expect_decl): Keep `count' within the size
21245 of `buffer'.
21246 From Neil Booth.
21247
21248 2000-10-02 Paul Eggert <eggert@twinsun.com>
21249
21250 * bison.s1 (yyparse): Assign the default value
21251 unconditionally, to avoid a GCC warning and make the parser a
21252 tad smaller.
21253
21254 2000-10-02 Akim Demaille <akim@epita.fr>
21255
21256 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
21257 options.
21258
21259 2000-10-02 Akim Demaille <akim@epita.fr>
21260
21261 * src/derives.c, src/print.c, src/reduce.c: To ease the
21262 translation, move some `\n' out of the translated strings.
21263
21264 2000-10-02 Akim Demaille <akim@epita.fr>
21265
21266 The location tracking mechanism is precious for parse error
21267 messages. Nevertheless, it is enabled only when `@n' is used in
21268 the grammar, which is a different issue (you can use it in error
21269 message, but not in the grammar per se). Therefore, there should
21270 be another means to enable it.
21271
21272 * src/getargs.c (getargs): Support `--locations'.
21273 (usage): Report it.
21274 * src/getargs.h (locationsflag): Export it.
21275 * src/lex.c (percent_table): Support `%locations'.
21276 * src/reader.c (yylsp_needed): Remove this variable, now replaced
21277 with `locationsflag'.
21278 * doc/bison.texinfo: Document `--locations' and `%locations'.
21279 Sort the options.
21280 * tests/calc.m4: Test it.
21281
21282 For regularity of the names, replace each
21283 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
21284 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
21285 In addition replace each `flag' with `_flag'.
21286
21287 2000-10-02 Akim Demaille <akim@epita.fr>
21288
21289 Also test parse error messages, including with YYERROR_VERBOSE.
21290
21291 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
21292 associative).
21293 Use it to check the computations.
21294 Use it to check `nonassoc' is honored.
21295 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
21296 `--yyerror-verbose'.
21297 (_AT_CHECK_CALC): Adjust to this option.
21298 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
21299
21300 2000-10-02 Akim Demaille <akim@epita.fr>
21301
21302 Test also `--verbose', `--defines' and `--name-prefix'. Testing
21303 the latter demonstrates a flaw in the handling of non debugging
21304 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
21305 was used in order to simplify:
21306
21307 #if YYDEBUG
21308 if (yydebug)
21309 {
21310 ...
21311 }
21312 #endif
21313
21314 into
21315
21316 if (yydebug)
21317 {
21318 ...
21319 }
21320
21321 unfortunately this leads to a CPP conflict when
21322 `--name-prefix=foo' is used since it produces `#define yydebug
21323 foodebug'.
21324
21325 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
21326 (YYDPRINTF): New macro.
21327 Spread its use.
21328 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
21329 the bison options.
21330 Also test `--verbose', `--defines' and `--name-prefix'.
21331
21332 2000-10-02 Akim Demaille <akim@epita.fr>
21333
21334 Improve the readability of the produced parsers.
21335
21336 * src/bison.s1: Formatting changes.
21337 Improve the comment related to the `$' mark.
21338 (yydefault): Don't fall through to `yyresume': `goto' there.
21339 * src/output.c (output_parser): When the `$' is met, skip the end
21340 of its line.
21341 New variable, `number_of_dollar_signs', to check there's exactly
21342 one `$' in the parser skeleton.
21343
21344 2000-10-02 Akim Demaille <akim@epita.fr>
21345
21346 * lib/xstrdup.c: New file, from the fileutils.
21347 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
21348 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
21349 instead of strlen + xmalloc + strcpy.
21350 * src/symtab.c (copys): Remove, use xstrdup instead.
21351
21352 2000-10-02 Akim Demaille <akim@epita.fr>
21353
21354 * src/gram.h (associativity): New enum type which replaces the
21355 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
21356 `right_assoc', `left_assoc' and `non_assoc'.
21357 Adjust all dependencies.
21358 * src/reader.c: Formatting changes.
21359 (LTYPESTR): Don't define it, use it as a literal in
21360 `reader_output_yylsp'.
21361 * src/symtab.h (symbol_class): New enum type which replaces the
21362 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
21363 `sunknown', `stoken and `snterm'.
21364
21365 2000-10-02 Akim Demaille <akim@epita.fr>
21366
21367 * src/getargs.c (fixed_outfiles): Rename as...
21368 (yaccflag): for consistency and accuracy.
21369 Adjust dependencies.
21370
21371 2000-10-02 Akim Demaille <akim@epita.fr>
21372
21373 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
21374 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
21375 difficult and introduced a lot of core dump. It turns out that
21376 Bison used an implementation of `xmalloc' based on `calloc', and
21377 at various places it does depend upon the initialization to 0. I
21378 have not tried to isolate the pertinent places, and all the former
21379 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
21380 someone should address this issue.
21381
21382 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
21383 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
21384 files.
21385 Adjust dependencies.
21386 * src/warshall.h: New file.
21387 Propagate.
21388
21389 2000-10-02 Akim Demaille <akim@epita.fr>
21390
21391 Various anti-`extern in *.c' changes.
21392
21393 * src/system.h: Include `assert.h'.
21394
21395 2000-10-02 Akim Demaille <akim@epita.fr>
21396
21397 * src/state.h (nstates, final_state, first_state, first_shift)
21398 (first_reduction): Move their exportation from here...
21399 * src/LR0.h: to here.
21400 Adjust dependencies.
21401 * src/getargs.c (statisticsflag): New variable.
21402 Add support for `--statistics'.
21403 Adjust dependencies.
21404
21405 Remove a lot of now useless `extern' statements in most files.
21406
21407 2000-10-02 Akim Demaille <akim@epita.fr>
21408
21409 * src/LR0.h: New file.
21410 Propagate its use.
21411
21412 2000-10-02 Akim Demaille <akim@epita.fr>
21413
21414 * src/print.h: New file.
21415 Propagate its use.
21416 * src/print.c: Formatting and ordering changes.
21417 (verbose, terse): Replace with...
21418 (print_results): this new function.
21419 Adjust dependencies.
21420
21421 2000-10-02 Akim Demaille <akim@epita.fr>
21422
21423 * src/conflicts.c (conflict_report): New function.
21424 (conflict_log, verbose_conflict_log): Replace with...
21425 (print_conflicts): this function.
21426 Adjust dependencies.
21427 * src/conflicts.h: New file.
21428 Propagate its inclusion.
21429
21430 2000-10-02 Akim Demaille <akim@epita.fr>
21431
21432 * src/nullable.h: New file.
21433 Propagate its inclusion.
21434 * src/nullable.c: Formatting changes.
21435
21436 2000-10-02 Akim Demaille <akim@epita.fr>
21437
21438 * src/reduce.h: New file.
21439 Propagate its inclusion.
21440 * src/reduce.c: Topological sort and other formatting changes.
21441 (bool, TRUE, FALSE): Move their definition to...
21442 * src/system.h: here.
21443
21444 2000-10-02 Akim Demaille <akim@epita.fr>
21445
21446 * src/files.c: Formatting changes.
21447 (tryopen, tryclose, openfiles): Rename as...
21448 (xfopen, xfclose, open_files): this.
21449 (stringappend): static.
21450 * src/files.h: Complete the list of exported symbols.
21451 Propagate its use.
21452
21453 2000-10-02 Akim Demaille <akim@epita.fr>
21454
21455 * src/reader.h: New file.
21456 Propagate its use instead of tedious list of `extern' and
21457 prototypes.
21458 * src/reader.c: Formatting changes, topological sort,
21459 s/register//.
21460
21461 2000-10-02 Akim Demaille <akim@epita.fr>
21462
21463 * src/lex.h: Prototype `lex.c' exported functions.
21464 * src/reader.c: Adjust.
21465 * src/lex.c: Formatting changes.
21466 (safegetc): Rename as...
21467 (xgetc): this.
21468
21469 2000-10-02 Akim Demaille <akim@epita.fr>
21470
21471 * src/lalr.h: New file.
21472 Propagate its inclusion instead of prototypes and `extern'.
21473 * src/lalr.c: Formatting changes, topological sorting etc.
21474
21475 2000-10-02 Akim Demaille <akim@epita.fr>
21476
21477 * src/output.c (token_actions): Introduce a temporary array,
21478 YYDEFACT, that makes it possible for this function to use
21479 output_short_table.
21480
21481 2000-10-02 Akim Demaille <akim@epita.fr>
21482
21483 `user_toknums' is output as a `short[]' in `output.c', while it is
21484 defined as a `int[]' in `reader.c'. For consistency with the
21485 other output tables, `user_toknums' is now defined as a table of
21486 shorts.
21487
21488 * src/reader.c (user_toknums): Be a short table instead of an int
21489 table.
21490 Adjust dependencies.
21491
21492 Factor the short table outputs.
21493
21494 * src/output.c (output_short_table): New function.
21495 * src/output.c (output_gram, output_stos, output_rule_data)
21496 (output_base, output_table, output_check): Use it.
21497
21498 2000-10-02 Akim Demaille <akim@epita.fr>
21499
21500 * src/output.c (output): Topological sort of the functions, in
21501 order to get rid of the `static' prototypes.
21502 No longer use `register'.
21503 * src/output.h: New file.
21504 Propagate its inclusion in files explicitly prototyping functions
21505 from output.c.
21506
21507 2000-09-21 Akim Demaille <akim@epita.fr>
21508
21509 * src/atgeneral.m4: Update from Autoconf.
21510
21511 2000-09-21 Akim Demaille <akim@epita.fr>
21512
21513 * src/closure.h: New file.
21514 * src/closure.c: Formatting changes, topological sort over the
21515 functions, use of closure.h.
21516 (initialize_closure, finalize_closure): Rename as...
21517 (new_closure, free_closure): these. Adjust dependencies.
21518 * src/LR0.c: Formatting changes, topological sort, use of
21519 cloture.h.
21520 (initialize_states): Rename as...
21521 (new_states): this.
21522 * src/Makefile.am (noinst_HEADERS): Adjust.
21523
21524 2000-09-20 Akim Demaille <akim@epita.fr>
21525
21526 * src/acconfig.h: Don't protect config.h against multiple
21527 inclusion.
21528 Don't define PARAMS.
21529 * src/system.h: Define PARAMS.
21530 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
21531 purpose of config.h. system.h must not try to fix wrong
21532 definitions in config.h.
21533
21534 2000-09-20 Akim Demaille <akim@epita.fr>
21535
21536 * src/derives.h: New file.
21537 * src/main.c, src/derives.h: Use it.
21538 Formatting changes.
21539 * src/Makefile.am (noinst_HEADERS): Adjust.
21540
21541 2000-09-20 Akim Demaille <akim@epita.fr>
21542
21543 * tests/atgeneral.m4: Update from Autoconf.
21544 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
21545 (AT_CHECK_CALC): New macros.
21546 Use these macros to test bison with options `', `--raw',
21547 `--debug', `--yacc', `--yacc --debug'.
21548
21549 2000-09-19 Akim Demaille <akim@epita.fr>
21550
21551 * src/output.c: Formatting changes.
21552 * src/machine.h: Remove, leaving its contents in...
21553 * src/system.h: here.
21554 Include stdio.h.
21555 Adjust all dependencies on stdio.h and machine.h.
21556 * src/getargs.h: New file.
21557 Let all `extern' declarations about getargs.c be replaced with
21558 inclusion of `getargs.h'.
21559 * src/Makefile.am (noinst_HEADERS): Adjust.
21560
21561 * tests/calc.m4 (yyin): Be initialized in main, not on the global
21562 scope.
21563 (yyerror): Returns void, not int.
21564 * doc/bison.texinfo: Formatting changes.
21565
21566 2000-09-19 Akim Demaille <akim@epita.fr>
21567
21568 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
21569 portable.
21570
21571 2000-09-18 Akim Demaille <akim@epita.fr>
21572
21573 * configure.in: Append WARNING_CFLAGS to CFLAGS.
21574 * src/Makefile.am (INCLUDES): Don't.
21575 Be ready to fetch headers in lib/.
21576
21577 2000-09-18 Akim Demaille <akim@epita.fr>
21578
21579 * doc/bison.texinfo: Update the copyright.
21580 ANSIfy and GNUify the examples.
21581 Remove the old menu.
21582
21583 2000-09-18 Akim Demaille <akim@epita.fr>
21584
21585 First set of tests: use the `calc' example from the documentation.
21586
21587 * src/bison.s1 (yyparse): Condition the code using `yytname' which
21588 is defined only when YYDEBUG is.
21589 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
21590 * src/files.c (tryopen, tryclose): Formatting changes.
21591 Move to the top and be static.
21592 * src/reader.c (read_signed_integer): Likewise.
21593 * tests/calc.m4: New file.
21594 * Makefile.am, suite.m4: Adjust.
21595 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
21596
21597 2000-09-18 Akim Demaille <akim@epita.fr>
21598
21599 Add support for an Autotest test suite for Bison.
21600
21601 * m4/m4.m4, m4/atconfig.m4: New files.
21602 * m4/Makefile.am (EXTRA_DIST): Adjust.
21603 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
21604 files.
21605 * src/getargs.c: Display a more standard --version message.
21606 * src/reader.c (reader): Formatting changes.
21607 No longer depend upon VERSION_STRING.
21608 * configure.in: No longer use `dnl'.
21609 Set up the test suite and the new directory `tests/.
21610 (VERSION_STRING): Remove.
21611
21612 2000-04-14 Akim Demaille <akim@epita.fr>
21613
21614 * src/reader.c (copy_comment2): New function, same as former
21615 `copy_comment', but outputs into two FILE *.
21616 (copy_comment): Use it.
21617 (parse_union_decl): Use it.
21618 (get_type, parse_start_decl): Use the same `invalid' message.
21619 (parse_start_decl, parse_union_decl): Use the same `multiple'
21620 message.
21621 (parse_union_decl, copy_guard, copy_action): Use the same
21622 `unmatched' message.
21623 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
21624
21625 2000-03-31 Akim Demaille <akim@epita.fr>
21626
21627 * src/files.c (tryopen, tryclose): Move to the top.
21628 Be static.
21629
21630 2000-03-31 Akim Demaille <akim@epita.fr>
21631
21632 * src/main.c (main): Don't call `done', exit does it.
21633
21634 2000-03-31 Akim Demaille <akim@epita.fr>
21635
21636 * allocate.c: s/return (foo)/return foo/.
21637 * lalr.c: Likewise.
21638 * LR0.c: Likewise.
21639 * output.c: Likewise.
21640 * reader.c: Likewise.
21641 * symtab.c: Likewise.
21642 * vmsgetargs.c: Likewise.
21643
21644 2000-03-31 Akim Demaille <akim@epita.fr>
21645
21646 Clean up the error reporting functions.
21647
21648 * src/report.c: New file.
21649 * src/report.h: Likewise.
21650 * src/Makefile.am: Adjust.
21651 * m4/error.m4: New file.
21652 * m4/Makefile.am: Adjust.
21653 * configure.in (jm_PREREQ_ERROR): Call it.
21654 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
21655 Remove.
21656 (fatal, fatals): Remove. All callers use complain.c::fatal.
21657 (warn, warni, warns, warnss, warnss): Remove. All callers use
21658 complain.c::complain.
21659 (toomany): Remove, use fatal instead.
21660 * src/files.c (done): No argument, use complain_message_count.
21661 * src/main.c (main): Register `done' to `atexit'.
21662
21663 * src/getargs.c (usage): More `fputs', less `fprintf'.
21664
21665 2000-03-28 Akim Demaille <akim@epita.fr>
21666
21667 * lib/: New directory.
21668 * Makefile.am (SUBDIRS): Adjust.
21669 * configure.in: Adjust.
21670 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
21671 useless.
21672 * src/alloca.c: Moved to lib/.
21673 * src/getopt.c: Likewise.
21674 * src/getopt1.c: Likewise.
21675 * src/getopt.h: Likewise.
21676 * src/ansi2knr.c: Likewise.
21677 * src/ansi2knr.1: Likewise.
21678 * src/Makefile.am: Adjust.
21679 * lib/Makefile.am: New file.
21680
21681 2000-03-28 Akim Demaille <akim@epita.fr>
21682
21683 * src/getargs.c (usage): Refresh the help message.
21684
21685 2000-03-17 Akim Demaille <akim@epita.fr>
21686
21687 * src/getopt1.c: Updated from textutils 2.0e
21688 * src/getopt.c: Likewise.
21689 * src/getopt.h: Likewise.
21690
21691 2000-03-17 Akim Demaille <akim@epita.fr>
21692
21693 * src/Makefile.am (bison.simple): Fix the awk program: quote only
21694 the file name, not the whole `#line LINE FILE'.
21695
21696 2000-03-17 Akim Demaille <akim@epita.fr>
21697
21698 On syntax errors, report the token on which we choked.
21699
21700 * src/bison.s1 (yyparse): In the label yyerrlab, when
21701 YYERROR_VERBOSE, add yychar in msg.
21702
21703 2000-03-17 Akim Demaille <akim@epita.fr>
21704
21705 * src/reader.c (copy_at): New function.
21706 (copy_guard): Use it.
21707 (copy_action): Use it.
21708
21709 2000-03-17 Akim Demaille <akim@epita.fr>
21710
21711 Be kind to translators, save some useless translations.
21712
21713 * src/main.c (banner): New function.
21714 (fatal_banner): Use it.
21715 (warn_banner): Use it.
21716
21717 2000-03-17 Akim Demaille <akim@epita.fr>
21718
21719 * src/reader.c (copy_definition): Use copy_string and
21720 copy_comment. Removed now unused `match', `ended',
21721 `cplus_comment'.
21722 (copy_comment, copy_string): Moved, to be visible from
21723 copy_definition.
21724
21725 2000-03-17 Akim Demaille <akim@epita.fr>
21726
21727 * src/reader.c (copy_string): Declare `static inline'. No
21728 problems with inline, since it is checked by configure.
21729 (copy_comment): Likewise.
21730
21731 2000-03-17 Akim Demaille <akim@epita.fr>
21732
21733 * src/reader.c (packsymbols): Formatting changes.
21734
21735 2000-03-17 Akim Demaille <akim@epita.fr>
21736
21737 * src/reader.c (copy_comment): New function, factored out from:
21738 (copy_action): Use it. Removed now unused `match', `ended',
21739 `cplus_comment'.
21740 (copy_guard): Likewise.
21741
21742 2000-03-17 Akim Demaille <akim@epita.fr>
21743
21744 * src/reader.c (copy_string): New function, factored out from:
21745 (copy_action): Use it.
21746 (copy_guard): Likewise.
21747
21748 2000-03-17 Akim Demaille <akim@epita.fr>
21749
21750 Change the handling of @s so that they behave exactly like $s.
21751 There is now a pseudo variable @$ (readble and writable), location
21752 of the lhs of the rule (by default ranging from the location of
21753 the first symbol of the rhs, to the location of the last symbol,
21754 or, if the rhs is empty, YYLLOC).
21755
21756 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
21757 yyval.
21758 (yyparse): When providing a default semantic action, provide a
21759 default location action.
21760 (after the $): No longer change `*YYLSP', just stack YYLOC the
21761 same way you stack YYVAL.
21762 * src/reader.c (read_declarations): Use warns.
21763 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
21764 (copy_action, case '@'): Likewise.
21765 Use a standard error message, to save useless work from
21766 translators.
21767
21768 2000-03-17 Akim Demaille <akim@epita.fr>
21769
21770 * src/bison.s1: Formatting and cosmetics changes.
21771 * src/reader.c: Likewise.
21772 Update the Copyright notice.
21773
21774 2000-03-17 Akim Demaille <akim@epita.fr>
21775
21776 * src/bison.s1 (#line): All set to `#line' only, since the
21777 Makefile now handles them.
21778
21779 2000-03-16 Akim Demaille <akim@epita.fr>
21780
21781 * src/output.c (output_rule_data): Output the documentation of
21782 some of the tables.
21783 (Copyright notice): Update.
21784 Formatting changes.
21785
21786 2000-03-16 Akim Demaille <akim@epita.fr>
21787
21788 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
21789 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
21790 One `#if YYDEBUG' remains, since it uses variables which are
21791 defined only if `YYDEBUG != 0'.
21792
21793 2000-03-16 Akim Demaille <akim@epita.fr>
21794
21795 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
21796 and related variables so that the similarities are highlighted.
21797
21798 2000-03-16 Akim Demaille <akim@epita.fr>
21799
21800 * src/bison.s1: Properly indent CPP directives.
21801
21802 2000-03-16 Akim Demaille <akim@epita.fr>
21803
21804 * src/bison.s1: Properly indent the `alloca' CPP section.
21805
21806 2000-03-16 Akim Demaille <akim@epita.fr>
21807
21808 Do not hard code values of directories in `configure.in'.
21809 Update the `configure' tool chain.
21810
21811 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
21812 src/makefile.am.
21813 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
21814 (AC_OUTPUT): Add m4/Makefile.
21815 Bump to bison 1.28a, 1.29 has never been released.
21816 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
21817 handled via src/Makefile.am.
21818 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
21819 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
21820 autoheader.
21821 * Makefile.am (SUBDIRS): Add m4.
21822 (ACLOCAL_AM_FLAGS): New variable.
21823 (AUTOMAKE_OPTIONS): Add check-news.
21824 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
21825 the proper line number and file name.
21826 (DEFS): Propagate the location of bison library files and of the
21827 locale files.
21828 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
21829 builddir.
21830 * acinclude.m4: Remove, replaced by the directory m4.
21831 * m4/Makefile.am (EXTRA_DIST): New variable.
21832 * m4/gettext.m4: New file, from the fileutils.
21833 * m4/lcmessage.m4: Likewise
21834 * m4/progtest.m4: Likewise.
21835 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
21836
21837 2000-03-10 Akim Demaille <akim@epita.fr>
21838
21839 * src/closure.c:
21840 Formatting changes of various comments.
21841 Respect the GNU coding standards at various places.
21842 Don't use `_()' when no translation is needed.
21843
21844 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21845
21846 * src/files.c:
21847 OS/2 honors TMPDIR environment variable.
21848
21849 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21850
21851 * doc/bison.texinfo: Tweaked spelling and grammar.
21852 Updated ISBN.
21853 Removed reference to price of printed copy.
21854 Mention BISON_SIMPLE and BISON_HAIRY.
21855
21856 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21857
21858 * configure.in, NEWS:
21859 Bison 1.29 released.
21860
21861 1999-10-27 Jesse Thilo <jthilo@gnu.org>
21862
21863 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
21864 Added reference card.
21865
21866 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21867
21868 * po/ru.po: Added Russian translation.
21869
21870 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21871
21872 * configure.in: Added Russian translation.
21873
21874 1999-07-06 Jesse Thilo <jthilo@gnu.org>
21875
21876 * configure.in, NEWS, README:
21877 Released version 1.28.
21878
21879 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21880
21881 * src/system.h:
21882 Squashed redefinition warning on some systems.
21883
21884 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
21885 Have configure build version string instead of relying on ANSI string
21886 concatentation.
21887
21888 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21889
21890 * po/POTFILES.in: Got rid of version.c.
21891
21892 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21893
21894 * acconfig.h, configure.in:
21895 Have configure build version string instead of relying on ANSI string
21896 concatentation.
21897
21898 1999-06-08 Jesse Thilo <jthilo@gnu.org>
21899
21900 * doc/bison.1:
21901 Dropped mention of `+' for long-named options.
21902
21903 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21904
21905 * src/files.c: Added <unistd.h> for unlink().
21906
21907 * src/Makefile.am, src/system.h:
21908 I18n fixes.
21909
21910 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21911
21912 * README: Added a FAQ list.
21913
21914 * configure.in, acconfig.h:
21915 I18n fixes.
21916
21917 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21918
21919 * doc/FAQ, doc/Makefile.am:
21920 Added a FAQ list.
21921
21922 1999-05-19 Jesse Thilo <jthilo@gnu.org>
21923
21924 * src/alloc.h, src/symtab.h, src/version.c:
21925 Protected inclusion of "config.h" with HAVE_CONFIG_H.
21926
21927 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21928
21929 * src/.cvsignore, src/Makefile.am:
21930 Reorganized: sources in `src', documentation in `doc'.
21931
21932 * src/lex.c (literalchar):
21933 fixed the code for escaping double quotes (thanks
21934 Jonathan Czisny.)
21935
21936 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21937
21938 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
21939 Adjusted paths to reflect directory reorganization.
21940
21941 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21942
21943 * doc/.cvsignore, doc/Makefile.am:
21944 Reorganized: sources in `src', documentation in `doc'.
21945
21946 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21947
21948 * configure.in:
21949 Updated AC_INIT file to reflect directory reorganization.
21950
21951 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
21952 Reorganized: sources in `src', documentation in `doc'.
21953
21954 1999-04-13 Jesse Thilo <jthilo@gnu.org>
21955
21956 * src/allocate.c:
21957 Don't declare calloc() and realloc() if not necessary.
21958
21959 1999-04-13 Jesse Thilo <jthilo@gnu.org>
21960
21961 * configure.in, acconfig.h, acinclude.m4:
21962 Don't declare calloc() and realloc() if not necessary.
21963
21964 1999-03-23 Jesse Thilo <jthilo@gnu.org>
21965
21966 * po/.cvsignore: Added i18n support.
21967
21968 1999-03-23 Jesse Thilo <jthilo@gnu.org>
21969
21970 * acconfig.h, configure.in, Makefile.am:
21971 Added i18n support.
21972
21973 1999-03-22 Jesse Thilo <jthilo@gnu.org>
21974
21975 * src/bison.s1: Fixed #line numbers.
21976
21977 1999-03-15 Jesse Thilo <jthilo@gnu.org>
21978
21979 * po/es.po, po/fr.po, po/nl.po, po/de.po:
21980 Added PO files from Translation Project.
21981
21982 1999-03-03 Jesse Thilo <jthilo@gnu.org>
21983
21984 * Makefile.am:
21985 Added support for non-ANSI compilers (ansi2knr).
21986
21987 1999-02-16 Jesse Thilo <jthilo@gnu.org>
21988
21989 * configure.in: Bumped version number to 1.27.
21990
21991 * Makefile.am:
21992 Added `bison.simple' to list of files removed by `make distclean'.
21993
21994 1999-02-12 Jesse Thilo <jthilo@gnu.org>
21995
21996 * src/files.c, src/files.h:
21997 Defined locations of parser files in config.h instead of Makefile.
21998
21999 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22000
22001 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
22002 Defined locations of parser files in config.h instead of Makefile.
22003
22004 1999-02-09 Jesse Thilo <jthilo@gnu.org>
22005
22006 * Makefile.am:
22007 Removed inappropriate use of $< macro.
22008
22009 1999-02-05 Jesse Thilo <jthilo@gnu.org>
22010
22011 * po/Makefile.in.in, po/POTFILES.in:
22012 Add `po' directory skeleton.
22013
22014 1999-01-27 Jesse Thilo <jthilo@gnu.org>
22015
22016 * README: Document help-bison list.
22017
22018 * configure.in: Add check for mkstemp().
22019
22020 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22021
22022 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
22023 Hush a few compiler warnings.
22024
22025 * src/files.c:
22026 Add tryclose(), which verifies that fclose was successful.
22027 Hush a couple of compiler warnings.
22028
22029 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22030
22031 * Makefile.am, OChangeLog:
22032 ChangeLog is now automatically generated. Include the old version as
22033 OChangeLog.
22034
22035 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22036
22037 * 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:
22038 Update FSF address.
22039
22040 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22041
22042 * doc/bison.texinfo: Fix formatting glitch.
22043
22044 * doc/bison.texinfo: Update FSF address.
22045
22046 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22047
22048 * acconfig.h: Update FSF address.
22049
22050 1999-01-08 Jesse Thilo <jthilo@gnu.org>
22051
22052 * src/system.h:
22053 Don't define PACKAGE here, since config.h defines it.
22054
22055 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22056
22057 * src/reader.c: Update copyright date.
22058
22059 * src/main.c:
22060 Ditch sprintf to statically-sized buffers in fatal/warn functions in
22061 favor of output directly to stderr (avoids buffer overruns).
22062
22063 * src/reader.c: Some checks for premature EOF.
22064
22065 * 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:
22066 Use prototypes if the compiler understands them.
22067
22068 * src/files.c: Honor TMPDIR on Unix hosts.
22069 Use prototypes if the compiler understands them.
22070
22071 * src/reader.c:
22072 Fix a couple of buffer overrun bugs.
22073 Use prototypes if the compiler understands them.
22074
22075 * src/system.h: Include unistd.h and ctype.h.
22076 Use #ifdef instead of #if for NLS symbols.
22077
22078 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22079
22080 * doc/bison.texinfo:
22081 Delete comment "consider using @set for edition number, etc..." since
22082 we now are doing so.
22083
22084 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22085
22086 * configure.in:
22087 Use prototypes if the compiler understands them.
22088
22089 * NEWS: Document 1.26 highlights.
22090
22091 * Makefile.am: Require Automake 1.3 or later.
22092
22093 * acconfig.h:
22094 Use prototypes if the compiler understands them.
22095
22096 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22097
22098 * src/version.c:
22099 Use VERSION symbol from automake for version number.
22100
22101 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22102
22103 * acconfig.h, configure.in, version.cin:
22104 Use VERSION symbol from automake for version number.
22105
22106 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22107
22108 * Makefile.am:
22109 Distribute original version of simple parser (bison.s1), not built
22110 version (bison.simple).
22111
22112 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22113
22114 * doc/bison.texinfo: Add info dir entry.
22115
22116 * doc/bison.texinfo:
22117 Let automake put version number into documentation.
22118
22119 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22120
22121 * src/bison.cld, src/build.com, src/vmshlp.mar:
22122 Add non-RCS files from /gd/gnu/bison.
22123
22124 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22125
22126 * doc/bison.1:
22127 Document the BISON_HAIRY and BISON_SIMPLE variables.
22128
22129 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22130
22131 * src/version.c: Build version.c automatically.
22132
22133 * src/reader.c:
22134 Fix token numbering (used to start at 258, not 257).
22135
22136 * src/system.h: Include config.h.
22137
22138 * src/getargs.c: Update bug report address.
22139
22140 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
22141 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
22142
22143 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22144
22145 * Makefile.am:
22146 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22147
22148 * configure.in, version.cin:
22149 Build version.c automatically.
22150
22151 * AUTHORS: Add AUTHORS file.
22152
22153 * README: Update bug report address.
22154
22155 * bison.simple:
22156 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22157
22158 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
22159 Add automake stuff.
22160
22161 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22162
22163 * doc/bison.texinfo: Clean up some formatting.
22164
22165 1998-05-05 Richard Stallman <rms@gnu.org>
22166
22167 * doc/bison.texinfo:
22168 Explain better why to make a pure parser.
22169
22170 1998-01-05 Richard Stallman <rms@gnu.org>
22171
22172 * src/files.c (openfiles):
22173 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
22174 find a temporary directory, if possible. Do not unlink files while
22175 they are open.
22176
22177 1997-08-25 Richard Stallman <rms@gnu.org>
22178
22179 * src/reader.c (stack_offset;):
22180 Change some warni to warns.
22181
22182 * src/lex.c (literalchar): Use warns, not warni.
22183
22184 1997-06-28 Richard Stallman <rms@gnu.org>
22185
22186 * src/bison.s1: Add a Bison version comment.
22187
22188 * src/main.c (fatal, warn, berror):
22189 Use program_name.
22190
22191 1997-06-28 Richard Stallman <rms@gnu.org>
22192
22193 * Makefile.in (bison_version): New variable.
22194 (dist): Use that variable.
22195 (bison.s1): Substitute the Bison version into bison.simple.
22196
22197 * bison.simple: Add a Bison version comment.
22198
22199 1997-06-18 Richard Stallman <rms@gnu.org>
22200
22201 * src/main.c (fatal, warn, berror):
22202 Make error messages standard.
22203 (toomany): Improve error message text.
22204
22205 * 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:
22206 new.h renamed to alloc.h.
22207
22208 1997-06-18 Richard Stallman <rms@gnu.org>
22209
22210 * Makefile.in: new.h renamed to alloc.h.
22211
22212 1997-05-24 Richard Stallman <rms@gnu.org>
22213
22214 * src/lex.c (literalchar):
22215 Fix the code for escaping \, " and '.
22216
22217 (lex): Avoid trouble when there are many chars
22218 to discard in a char literal with just several chars in it.
22219
22220 1997-05-17 Richard Stallman <rms@gnu.org>
22221
22222 * src/bison.s1:
22223 Use malloc, if using alloca is troublesome.
22224 (YYSTACK_USE_ALLOCA): New flag macro.
22225 Define it for some systems and compilers.
22226 (YYSTACK_ALLOC): New macro.
22227 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22228 If it was malloc'd, free it.
22229
22230 1997-05-17 Richard Stallman <rms@gnu.org>
22231
22232 * bison.simple:
22233 Use malloc, if using alloca is troublesome.
22234 (YYSTACK_USE_ALLOCA): New flag macro.
22235 Define it for some systems and compilers.
22236 (YYSTACK_ALLOC): New macro.
22237 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22238 If it was malloc'd, free it.
22239
22240 1997-04-23 Richard Stallman <rms@gnu.org>
22241
22242 * src/bison.s1:
22243 (alloca) [__hpux]: Always define as __builtin_alloca.
22244
22245 1997-04-23 Richard Stallman <rms@gnu.org>
22246
22247 * bison.simple:
22248 (alloca) [__hpux]: Always define as __builtin_alloca.
22249
22250 1997-04-22 Richard Stallman <rms@gnu.org>
22251
22252 * src/bison.s1:
22253 [__hpux]: Include alloca.h (right for HPUX 10)
22254 instead of declaring alloca (right for HPUX 9).
22255
22256 * src/bison.s1 (__yy_memcpy):
22257 Declare arg `count' as unsigned int.
22258 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22259
22260 1997-04-22 Richard Stallman <rms@gnu.org>
22261
22262 * bison.simple:
22263 [__hpux]: Include alloca.h (right for HPUX 10)
22264 instead of declaring alloca (right for HPUX 9).
22265
22266 * bison.simple (__yy_memcpy):
22267 Declare arg `count' as unsigned int.
22268 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22269
22270 1997-01-03 Richard Stallman <rms@gnu.org>
22271
22272 * src/allocate.c: [__STDC__ or _MSC_VER]:
22273 Declare calloc and realloc to return void *.
22274
22275 1997-01-02 Richard Stallman <rms@gnu.org>
22276
22277 * src/system.h:
22278 [_MSC_VER]: Include stdlib.h and process.h.
22279 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
22280
22281 * src/main.c (main): Return FAILURE as a value.
22282 (printable_version): Declare arg as int, not char.
22283
22284 1997-01-02 Richard Stallman <rms@gnu.org>
22285
22286 * Makefile.in (dist):
22287 Explicitly check for symlinks, and copy them.
22288
22289 1996-12-19 Richard Stallman <rms@gnu.org>
22290
22291 * src/files.c:
22292 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
22293
22294 1996-12-18 Paul Eggert <eggert@gnu.org>
22295
22296 * src/bison.s1 (yyparse):
22297 If __GNUC__ and YYPARSE_PARAM are both defined,
22298 declare yyparse to have a void * argument.
22299
22300 1996-12-18 Paul Eggert <eggert@gnu.org>
22301
22302 * bison.simple (yyparse):
22303 If __GNUC__ and YYPARSE_PARAM are both defined,
22304 declare yyparse to have a void * argument.
22305
22306 1996-12-17 Richard Stallman <rms@gnu.org>
22307
22308 * src/reduce.c (nbits): Add some casts.
22309
22310 1996-08-12 Richard Stallman <rms@gnu.org>
22311
22312 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
22313
22314 1996-08-12 Richard Stallman <rms@gnu.org>
22315
22316 * bison.simple: Test _MSDOS as well as _MSDOS_.
22317
22318 1996-07-31 Richard Stallman <rms@gnu.org>
22319
22320 * src/bison.s1:
22321 [__sun && __i386]: Include alloca.h.
22322
22323 1996-07-31 Richard Stallman <rms@gnu.org>
22324
22325 * bison.simple:
22326 [__sun && __i386]: Include alloca.h.
22327
22328 1996-07-30 Richard Stallman <rms@gnu.org>
22329
22330 * src/bison.s1: Comment change.
22331
22332 * src/bison.s1: Test _MSDOS_, not MSDOS.
22333
22334 1996-07-30 Richard Stallman <rms@gnu.org>
22335
22336 * bison.simple: Comment change.
22337
22338 * bison.simple: Test _MSDOS_, not MSDOS.
22339
22340 1996-06-01 Richard Stallman <rms@gnu.org>
22341
22342 * 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:
22343 Insert `_' macro around many string constants.
22344
22345 * src/main.c:
22346 Insert `_' macro around many string constants.
22347
22348 (main): Call setlocale, bindtextdomain and textdomain.
22349
22350 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
22351 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
22352 [ENABLE_NLS]: Include libintl.h.
22353 [ENABLE_NLS] (gettext): Define.
22354 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
22355 (N_, PACKAGE, LOCALEDIR): New macros.
22356
22357 1996-06-01 Richard Stallman <rms@gnu.org>
22358
22359 * POTFILES.in: New file.
22360
22361 * Makefile.in (allocate.o):
22362 Define target explicitly.
22363
22364 * Makefile.in (CFLAGS): Set to @CFLAGS@.
22365 (LDFLAGS): Set to @LDFLAGS@.
22366 (configure): Run autoconf only if preceding `cd' succeeds.
22367 (bison.s1): Redirect output to temporary file then move the
22368 temporary to the target, rather than redirecting directly to bison.s1.
22369 (clean): Remove config.status and config.log.
22370 (distclean): Don't remove config.status here.
22371
22372 1996-05-12 Richard Stallman <rms@gnu.org>
22373
22374 * src/bison.s1:
22375 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22376
22377 1996-05-12 Richard Stallman <rms@gnu.org>
22378
22379 * bison.simple:
22380 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22381
22382 1996-05-11 Richard Stallman <rms@gnu.org>
22383
22384 * src/bison.s1 (__yy_memcpy):
22385 Really reorder the args, as was supposedly done on Feb 14 1995.
22386 (yyparse): Calls changed accordingly.
22387
22388 1996-05-11 Richard Stallman <rms@gnu.org>
22389
22390 * Makefile.in (dist): Don't use $(srcdir).
22391
22392 * bison.simple (__yy_memcpy):
22393 Really reorder the args, as was supposedly done on Feb 14 1995.
22394 (yyparse): Calls changed accordingly.
22395
22396 1996-01-27 Richard Stallman <rms@gnu.org>
22397
22398 * src/output.c (output_rule_data):
22399 Test YYERROR_VERBOSE in the conditional
22400 around the definition of ttyname.
22401
22402 1995-12-29 Richard Stallman <rms@gnu.org>
22403
22404 * src/bison.s1:
22405 Fix line numbers in #line commands.
22406
22407 1995-12-29 Richard Stallman <rms@gnu.org>
22408
22409 * bison.simple:
22410 Fix line numbers in #line commands.
22411
22412 1995-12-27 Richard Stallman <rms@gnu.org>
22413
22414 * src/bison.s1 (YYPARSE_PARAM_DECL):
22415 In C++, make it always null.
22416 (YYPARSE_PARAM_ARG): New macro.
22417 (yyparse): Use YYPARSE_PARAM_ARG.
22418
22419 1995-12-27 Richard Stallman <rms@gnu.org>
22420
22421 * bison.simple (YYPARSE_PARAM_DECL):
22422 In C++, make it always null.
22423 (YYPARSE_PARAM_ARG): New macro.
22424 (yyparse): Use YYPARSE_PARAM_ARG.
22425
22426 1995-11-29 Richard Stallman <rms@gnu.org>
22427
22428 * doc/bison.texinfo:
22429 Describe literal string tokens, %raw, %no_lines, %token_table.
22430
22431 1995-11-29 Daniel Hagerty <hag@gnu.org>
22432
22433 * doc/bison.texinfo: Fixed update date
22434
22435 1995-10-16 Richard Stallman <rms@gnu.org>
22436
22437 * src/version.c: Version 1.25.
22438
22439 1995-10-16 Richard Stallman <rms@gnu.org>
22440
22441 * NEWS: *** empty log message ***
22442
22443 1995-10-16 Richard Stallman <rms@gnu.org>
22444
22445 * doc/bison.1, doc/bison.rnh:
22446 Add new options.
22447
22448 1995-10-15 Richard Stallman <rms@gnu.org>
22449
22450 * src/vmsgetargs.c, src/getargs.c:
22451 Added -n, -k, and -raw switches.
22452 (noparserflag, toknumflag, rawtoknumflag): New variables.
22453
22454 * src/symtab.h (SALIAS):
22455 New #define for adding aliases to %token.
22456 (struct bucket): Added `alias' field.
22457
22458 * src/reduce.c (reduce_grammar):
22459 Revise error message.
22460 (print_notices): Remove final `.' from error message.
22461
22462 * src/reader.c (reader_output_yylsp):
22463 New function.
22464 (readgram): Use `#if 0' around code that accepted %command
22465 inside grammar rules: The documentation doesn't allow it,
22466 and it will fail since the %command processors scan for the next %.
22467 (parse_token_decl): Extended the %token
22468 declaration to allow a multi-character symbol as an alias.
22469 (parse_thong_decl): New function.
22470 (read_declarations): Added %thong declarations.
22471 (read_declarations): Handle NOOP to deal with allowing
22472 % declarations as another means to specify the flags.
22473 (readgram): Allow %prec prior to semantics embedded in a rule.
22474 (skip_to_char, read_declarations, copy_definition)
22475 (parse_token_decl, parse_start_decl, parse_type_decl)
22476 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
22477 (get_type_name, copy_guard, copy_action, readgram)
22478 (get_type, packsymbols): Revised most error messages.
22479 Changed `fatal' to `warnxxx' to avoid aborting for error.
22480 Revised and use multiple warnxxx functions to avoid using VARARGS1.
22481 (read_declarations): Improve the error message for
22482 an invalid character. Do not abort.
22483 (read_declarations, copy_guard, copy_action): Use
22484 printable_version to avoid unprintable characters in printed output.
22485 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
22486 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
22487 Allow the type of a non-terminal can be given
22488 more than once, as long as all specifications give the same type.
22489
22490 * src/output.c:
22491 (output_headers, output_trailers, output, output_gram)
22492 (output_rule_data): Implement noparserflag variable.
22493 Implement toknumflag variable.
22494 (output): Call reader_output_yylsp to output LTYPESTR.
22495
22496 * src/main.c (main):
22497 If reader sees an error, don't process the grammar.
22498 (fatals): Updated to not use VARARGS1.
22499 (printable_version, int_to_string, warn, warni, warns, warnss)
22500 (warnsss): New error reporting functions. Avoid abort for error.
22501
22502 * src/lex.h:
22503 Added THONG and NOOP for alias processing.
22504 Added SETOPT for the new code that allows setting options with %flags.
22505
22506 * src/lex.c:
22507 Include getopt.h. Add some extern decls.
22508 (safegetc): New function to deal with EOF gracefully.
22509 (literalchar); new function to deal with reading \ escapes.
22510 (lex): Use literalchar.
22511 (lex): Implemented "..." tokens.
22512 (literalchar, lex, parse_percent_token): Made tokenbuffer
22513 always contain the token. This includes growing the token
22514 buffer while reading an integer.
22515 (parse_percent_token): Replaced if-else statement with percent_table.
22516 (parse_percent_token): Added % declarations as another
22517 way to specify the flags -n, -l, and -r. Also added hooks for
22518 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
22519 major changes to files.c.
22520 (lex) Retain in the incoming stream a character following
22521 an incorrect '/'.
22522 (skip_white_space, lex): Revised most error messages
22523 and changed fatal to warn to avoid aborting.
22524 (percent_table): Added %thong declarations.
22525
22526 * src/gram.h: Comment changes.
22527
22528 * src/files.c (openfiles, open_extra_files, done):
22529 Add faction flag
22530 and actfile file. Handle noparserflag. Both for -n switch.
22531
22532 * src/conflicts.c (resolve_sr_conflict):
22533 Remove use of alloca.
22534
22535 1995-06-01 Jim Meyering <meyering@gnu.org>
22536
22537 * doc/bison.texinfo: *** empty log message ***
22538
22539 1995-05-06 Richard Stallman <rms@gnu.org>
22540
22541 * src/bison.s1: Comment change.
22542
22543 1995-05-06 Richard Stallman <rms@gnu.org>
22544
22545 * bison.simple: Comment change.
22546
22547 1995-05-03 Richard Stallman <rms@gnu.org>
22548
22549 * src/version.c: Version now 1.24.
22550
22551 * src/bison.s1: Change distribution terms.
22552
22553 * src/version.c: Version now 1.23.
22554
22555 1995-05-03 Richard Stallman <rms@gnu.org>
22556
22557 * doc/bison.texinfo:
22558 Rewrite "Conditions for Using Bison".
22559 Update version to 1.24.
22560
22561 1995-05-03 Richard Stallman <rms@gnu.org>
22562
22563 * bison.simple: Change distribution terms.
22564
22565 1995-02-23 Richard Stallman <rms@gnu.org>
22566
22567 * src/files.c: Test __VMS_POSIX as well as VMS.
22568
22569 1995-02-14 Jim Meyering <meyering@gnu.org>
22570
22571 * src/bison.s1 (__yy_memcpy):
22572 Renamed from __yy_bcopy to avoid
22573 confusion. Reverse FROM and TO arguments to be consistent with
22574 those of memcpy.
22575
22576 1995-02-14 Jim Meyering <meyering@gnu.org>
22577
22578 * bison.simple (__yy_memcpy):
22579 Renamed from __yy_bcopy to avoid
22580 confusion. Reverse FROM and TO arguments to be consistent with
22581 those of memcpy.
22582
22583 1994-11-10 David J. MacKenzie <djm@gnu.org>
22584
22585 * NEWS: reformat
22586
22587 * NEWS: New file.
22588
22589 * Makefile.in (DISTFILES): Include NEWS.
22590
22591 * Makefile.in (DISTFILES):
22592 Include install-sh, not install.sh.
22593
22594 * configure.in: Update to Autoconf v2 macro names.
22595
22596 1994-10-05 David J. MacKenzie <djm@gnu.org>
22597
22598 * Makefile.in: fix typo
22599
22600 * Makefile.in (prefix, exec_prefix):
22601 Let configure set them.
22602
22603 1994-09-28 David J. MacKenzie <djm@gnu.org>
22604
22605 * Makefile.in: Set datadir to $(prefix)/share.
22606
22607 1994-09-15 Richard Stallman <rms@gnu.org>
22608
22609 * src/bison.s1:
22610 Update copyright notice and GPL version.
22611
22612 1994-09-15 Richard Stallman <rms@gnu.org>
22613
22614 * bison.simple:
22615 Update copyright notice and GPL version.
22616
22617 1994-07-12 Richard Stallman <rms@gnu.org>
22618
22619 * src/reduce.c, src/reader.c:
22620 entered into RCS
22621
22622 1994-05-05 David J. MacKenzie <djm@gnu.org>
22623
22624 * Makefile.in: entered into RCS
22625
22626 1994-03-26 Richard Stallman <rms@gnu.org>
22627
22628 * src/bison.s1: entered into RCS
22629
22630 1994-03-26 Richard Stallman <rms@gnu.org>
22631
22632 * bison.simple: entered into RCS
22633
22634 1994-03-25 Richard Stallman <rms@gnu.org>
22635
22636 * src/main.c: entered into RCS
22637
22638 1994-03-24 Richard Stallman <rms@gnu.org>
22639
22640 * src/conflicts.c: entered into RCS
22641
22642 1994-01-02 Richard Stallman <rms@gnu.org>
22643
22644 * Makefile.in: *** empty log message ***
22645
22646 1993-11-21 Richard Stallman <rms@gnu.org>
22647
22648 * src/bison.s1: *** empty log message ***
22649
22650 1993-11-21 Richard Stallman <rms@gnu.org>
22651
22652 * doc/bison.texinfo: entered into RCS
22653
22654 * doc/bison.texinfo: *** empty log message ***
22655
22656 1993-11-21 Richard Stallman <rms@gnu.org>
22657
22658 * bison.simple: *** empty log message ***
22659
22660 1993-10-25 David J. MacKenzie <djm@gnu.org>
22661
22662 * doc/bison.texinfo: *** empty log message ***
22663
22664 1993-10-19 Richard Stallman <rms@gnu.org>
22665
22666 * src/bison.s1: *** empty log message ***
22667
22668 1993-10-19 Richard Stallman <rms@gnu.org>
22669
22670 * bison.simple: *** empty log message ***
22671
22672 1993-10-14 Richard Stallman <rms@gnu.org>
22673
22674 * src/bison.s1: *** empty log message ***
22675
22676 1993-10-14 Richard Stallman <rms@gnu.org>
22677
22678 * bison.simple: *** empty log message ***
22679
22680 1993-09-14 David J. MacKenzie <djm@gnu.org>
22681
22682 * doc/bison.texinfo: *** empty log message ***
22683
22684 1993-09-13 Noah Friedman <friedman@gnu.org>
22685
22686 * Makefile.in: *** empty log message ***
22687
22688 1993-09-10 Richard Stallman <rms@gnu.org>
22689
22690 * src/conflicts.c: *** empty log message ***
22691
22692 * src/system.h: entered into RCS
22693
22694 1993-09-10 Richard Stallman <rms@gnu.org>
22695
22696 * doc/bison.1: entered into RCS
22697
22698 1993-09-06 Noah Friedman <friedman@gnu.org>
22699
22700 * src/version.c: entered into RCS
22701
22702 1993-09-06 Noah Friedman <friedman@gnu.org>
22703
22704 * Makefile.in: *** empty log message ***
22705
22706 1993-07-30 David J. MacKenzie <djm@gnu.org>
22707
22708 * Makefile.in: *** empty log message ***
22709
22710 1993-07-24 Richard Stallman <rms@gnu.org>
22711
22712 * src/bison.s1: *** empty log message ***
22713
22714 1993-07-24 Richard Stallman <rms@gnu.org>
22715
22716 * bison.simple: *** empty log message ***
22717
22718 1993-07-08 David J. MacKenzie <djm@gnu.org>
22719
22720 * Makefile.in: *** empty log message ***
22721
22722 1993-07-04 Richard Stallman <rms@gnu.org>
22723
22724 * src/bison.s1: *** empty log message ***
22725
22726 1993-07-04 Richard Stallman <rms@gnu.org>
22727
22728 * bison.simple: *** empty log message ***
22729
22730 1993-06-26 David J. MacKenzie <djm@gnu.org>
22731
22732 * src/getargs.c: entered into RCS
22733
22734 1993-06-26 David J. MacKenzie <djm@gnu.org>
22735
22736 * doc/bison.texinfo: *** empty log message ***
22737
22738 * doc/bison.1: New file.
22739
22740 1993-06-25 Richard Stallman <rms@gnu.org>
22741
22742 * src/getargs.c: New file.
22743
22744 1993-06-16 Richard Stallman <rms@gnu.org>
22745
22746 * src/bison.s1: *** empty log message ***
22747
22748 1993-06-16 Richard Stallman <rms@gnu.org>
22749
22750 * bison.simple: *** empty log message ***
22751
22752 1993-06-03 Richard Stallman <rms@gnu.org>
22753
22754 * src/bison.s1: New file.
22755
22756 1993-06-03 Richard Stallman <rms@gnu.org>
22757
22758 * doc/bison.texinfo: *** empty log message ***
22759
22760 1993-06-03 Richard Stallman <rms@gnu.org>
22761
22762 * bison.simple: New file.
22763
22764 1993-05-19 Richard Stallman <rms@gnu.org>
22765
22766 * doc/bison.texinfo: New file.
22767
22768 1993-05-07 Noah Friedman <friedman@gnu.org>
22769
22770 * Makefile.in: *** empty log message ***
22771
22772 1993-04-28 Noah Friedman <friedman@gnu.org>
22773
22774 * src/reader.c: *** empty log message ***
22775
22776 1993-04-23 Noah Friedman <friedman@gnu.org>
22777
22778 * src/alloc.h: entered into RCS
22779
22780 1993-04-20 David J. MacKenzie <djm@gnu.org>
22781
22782 * src/version.c: *** empty log message ***
22783
22784 * src/files.c, src/allocate.c:
22785 entered into RCS
22786
22787 * src/reader.c: *** empty log message ***
22788
22789 * src/lex.c: entered into RCS
22790
22791 * src/conflicts.c: New file.
22792
22793 * src/symtab.c: entered into RCS
22794
22795 * src/alloc.h: New file.
22796
22797 * src/LR0.c: entered into RCS
22798
22799 1993-04-18 Noah Friedman <friedman@gnu.org>
22800
22801 * src/reader.c: New file.
22802
22803 * src/version.c: *** empty log message ***
22804
22805 1993-04-18 Noah Friedman <friedman@gnu.org>
22806
22807 * Makefile.in: *** empty log message ***
22808
22809 1993-04-17 Noah Friedman <friedman@gnu.org>
22810
22811 * Makefile.in: *** empty log message ***
22812
22813 1993-04-15 Richard Stallman <rms@gnu.org>
22814
22815 * src/main.c, src/files.c:
22816 New file.
22817
22818 1993-04-15 Noah Friedman <friedman@gnu.org>
22819
22820 * configure.in: entered into RCS
22821
22822 * configure.in: *** empty log message ***
22823
22824 * configure.in: New file.
22825
22826 1993-04-14 Richard Stallman <rms@gnu.org>
22827
22828 * Makefile.in: New file.
22829
22830 1993-04-13 Richard Stallman <rms@gnu.org>
22831
22832 * src/version.c: New file.
22833
22834 1993-03-25 Richard Stallman <rms@gnu.org>
22835
22836 * src/output.c: entered into RCS
22837
22838 1992-09-25 Richard Stallman <rms@gnu.org>
22839
22840 * configure.bat: entered into RCS
22841
22842 1992-06-22 Richard Stallman <rms@gnu.org>
22843
22844 * src/vmsgetargs.c: entered into RCS
22845
22846 1992-06-22 Richard Stallman <rms@gnu.org>
22847
22848 * doc/bison.rnh: entered into RCS
22849
22850 1992-04-20 David J. MacKenzie <djm@gnu.org>
22851
22852 * README: entered into RCS
22853
22854 1992-01-22 Richard Stallman <rms@gnu.org>
22855
22856 * src/machine.h: entered into RCS
22857
22858 1991-12-21 Richard Stallman <rms@gnu.org>
22859
22860 * src/lalr.c, src/closure.c:
22861 entered into RCS
22862
22863 1991-12-20 Richard Stallman <rms@gnu.org>
22864
22865 * src/state.h: entered into RCS
22866
22867 1991-12-18 Richard Stallman <rms@gnu.org>
22868
22869 * src/print.c, src/nullable.c, src/derives.c:
22870 entered into RCS
22871
22872 1991-11-03 David J. MacKenzie <djm@gnu.org>
22873
22874 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
22875 entered into RCS
22876
22877 1988-09-09 Richard Stallman <rms@gnu.org>
22878
22879 * src/bison.hairy: entered into RCS
22880
22881 1987-12-16 Richard Stallman <rms@gnu.org>
22882
22883 * REFERENCES: entered into RCS
22884
22885
22886 -----
22887
22888 Copyright (C) 1987-1988, 1991-2010 Free Software Foundation,
22889 Inc.
22890
22891 Copying and distribution of this file, with or without
22892 modification, are permitted provided the copyright notice and this
22893 notice are preserved.