1 2010-08-05 Joel E. Denny <joeldenny@joeldenny.org>
4 * NEWS (2.4.3): Set date.
6 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
8 maint: add gettext version to release announcements.
9 Suggested by Paul Hilfinger at
10 <http://lists.gnu.org/archive/html/bison-patches/2010-07/msg00019.html>
11 <http://lists.gnu.org/archive/html/bison-patches/2010-08/msg00002.html>.
12 * cfg.mk (bootstrap-tools): Add gettext.
14 2010-08-04 Joel E. Denny <joeldenny@joeldenny.org>
16 doc: fix -W and %expect documentation some.
17 * NEWS (2.4.3): Mention that there are documentation fixes.
18 * doc/bison.texinfo (Expect Decl): Make it clear that %expect
19 turns conflicts into errors not warnings.
20 (Shift/Reduce): Likewise.
21 (Bison Options): Don't mention -Wsyntax. It doesn't exist.
23 2010-08-01 Joel E. Denny <joeldenny@joeldenny.org>
25 -Werror: fix for rules useless in parser after conflicts.
26 * NEWS (2.4.3): Document fix.
27 * src/complain.c (error_message): Extend to handle incomplete
28 error messages so warn and warn_at can be used in more cases.
29 * src/gram.c (grammar_rules_useless_report): Use warn_at so that
30 -Werror is always obeyed.
31 * src/reduce.c (reduce_print): Use warn so that the "warnings
32 being treated as errors" message is printed consistently before
33 the first warning message. This makes testing easier.
34 * tests/local.at (AT_BISON_WERROR_MSG): New macro.
35 (AT_BISON_CHECK_NO_XML): Extend to check -Werror and
36 --warnings=error when warnings appear in bison's stderr.
38 2010-07-29 Joel E. Denny <joeldenny@joeldenny.org>
40 maint: enable gnits only at stable releases.
41 * configure.ac (AM_INIT_AUTOMAKE): Underscore or dash in a
42 version string should disable gnits. Explain in comments.
44 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
47 * po/POTFILES.in: Add src/graphviz.c.
49 2010-07-28 Joel E. Denny <joeldenny@joeldenny.org>
52 * po/POTFILES.in: Add remaining gnulib files that have
55 2010-07-25 Joel E. Denny <joeldenny@joeldenny.org>
57 build: fix our adjustments for gnulib files in lib.
58 * configure.ac: For prepending lib/ to the values of config
59 variables, fix detection of empty values. Also, due to recent
60 gnulib changes, add LIBUNISTRING_UNITYPES_H and
61 LIBUNISTRING_UNIWIDTH_H to the list of those variables.
63 2010-07-25 Joel E. Denny <joeldenny@joeldenny.org>
65 maint: use announce-gen's new --mail-headers.
66 * HACKING (Announce): Update instructions.
67 * cfg.mk (announcement_Cc_): Define.
68 * configure.ac (AM_GNU_GETTEXT_VERSION): Update to 0.18 as
69 required by latest gnulib.
70 * gnulib: Update to latest.
72 2010-07-24 Joel E. Denny <joeldenny@joeldenny.org>
74 tests: handle Valgrind that complains about >&-.
75 * tests/output.at (AT_CHECK_OUTPUT): Extend to accept pre-tests.
76 (Output files: -dv >&-): Skip test group if running
77 maintainer-check-valgrind.
79 2010-07-23 Paul Hilfinger <hilfingr@EECS.Berkeley.EDU>
81 * NEWS: Describe new semantic-predicate feature.
82 * data/c.m4 (b4_predicate_case): New definition.
83 * data/java.m4 (b4_predicate_case): New definition.
84 * data/glr.c (yyimmediate): Add definition.
85 (yydoAction): Remove comment, now obsolete.
86 Do YY_REDUCE_PRINT here.
87 (yyglrReduce): Alter comment to indicate that semantic values
89 Remove YY_REDUCE_PRINT from here; done in yydoAction.
90 (yyprocessOneStack): Pass immediate flag.
91 Delete stacks rejected by predicates in newly split-off parsers.
92 Change handling of yyerr so that only current stack gets deleted
93 when semantic predicate fails.
94 (yyfillin): Don't crash if a semantic value is unresolved (as may
95 happen in predicate rules).
96 Copy lr state as well in debugging mode.
97 Update comment on setting of yysval to include yyloc as well.
98 (yy_reduce_print): Add yynormal argument. Perform fillin properly.
99 Report unresolved RHS values.
100 (yyimmediate): New table.
101 * src/gram.h (struct rule): Add is_predicate field.
102 * src/output.c (user_actions_output): Use b4_predicate_case for
104 (prepare_symbols): Output yyimmediate.
105 * src/scan-gram.l: Add %? token, SC_PREDICATE state.
106 * src/scan-code.l (code_props_rule_action_init): Add is_predicate
108 * src/scan-code.h (struct code_props): Add is_predicate field.
109 (code_props_rule_action_init): New interface.
110 * src/parse-gram.y (%?{...}): New token.
111 (rhs): Add %?{...} rule.
112 * src/parse-gram.c: Regenerate.
113 * src/parse-gram.h: Regenerate.
114 * src/reader.c (grammar_current_rule_action_append): Add
116 (grammar_midrule_action): Use new interface for
117 code_props_rule_action_init.
118 (grammar_current_rule_action_append): Ditto.
119 (packgram): Transfer is_predicate value.
120 * src/reader.h (grammar_current_rule_action_append): New interface.
121 * doc/bison.texinfo: Document semantic predicates (%?).
123 * data/glr.c (yylhsNonterm, yyisDefaultedState,yyDefaultAction)
124 (yygetLRActions,yynewGLRStackItem,yyaddDeferredAction,yyinitStateSet)
125 (yyinitGLRStack,yyexpandGLRStack,yyupdateSplit,yymarkStackDeleted)
126 (yyundeleteLastStack,yyglrShift,yyglrShiftDefer,yydoAction,yyglrReduce)
127 (yyidenticalOptions,yymergeOptionSets,yyresolveStates,yyresolveAction)
128 (yyresolveLocations,yyresolveValue,yyreducePrint): Update parameter
129 names in comments and mention all parameters.
130 (struct yyGLRState): Fix description of yyposn field.
131 (yyresolveLocations): Correct comment so as not to imply action when
134 2010-06-17 Paul Eggert <eggert@cs.ucla.edu>
136 Update from GFDL GFDL 1.2 to 1.3.
137 * doc/bison.texinfo: Update GFDL version number.
138 * doc/fdl.texi: Update to version 1.3, taken from:
139 http://www.gnu.org/licenses/fdl.texi
141 Do not use date ranges in copyright notices.
142 See http://www.gnu.org/prep/maintain/maintain.html#Copyright-Notices
144 * HACKING, Makefile.am, NEWS, PACKAGING, README, README-alpha:
145 * TODO, bootstrap, bootstrap.conf:
146 * build-aux/update-b4-copyright, cfg.mk, configure.ac:
147 * data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4:
148 * data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc:
149 * data/java-skel.m4, data/java.m4, data/lalr1.cc:
150 * data/lalr1.java, data/local.mk, data/location.cc:
151 * data/stack.hh, data/variant.hh, data/xslt/bison.xsl:
152 * data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl:
153 * data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint:
154 * djgpp/README.in, djgpp/config.bat, djgpp/config.sed:
155 * djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat:
156 * djgpp/local.mk, djgpp/subpipe.c, djgpp/subpipe.h:
157 * djgpp/testsuite.sed, doc/bison.texinfo, doc/local.mk:
158 * doc/refcard.tex, etc/README, etc/bench.pl.in, etc/local.mk:
159 * examples/calc++/Makefile.am, examples/extexi:
160 * examples/local.mk, lib/abitset.c, lib/abitset.h:
161 * lib/bbitset.h, lib/bitset.c, lib/bitset.h:
162 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
163 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
164 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
165 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
166 * lib/libiberty.h, lib/local.mk, lib/main.c, lib/timevar.c:
167 * lib/timevar.def, lib/timevar.h, lib/vbitset.c:
168 * lib/vbitset.h, lib/yyerror.c, m4/bison-i18n.m4:
169 * m4/c-working.m4, m4/cxx.m4, m4/subpipe.m4, m4/timevar.m4:
170 * src/AnnotationList.c, src/AnnotationList.h:
171 * src/InadequacyList.c, src/InadequacyList.h, src/LR0.c:
172 * src/LR0.h, src/Sbitset.c, src/Sbitset.h, src/assoc.c:
173 * src/assoc.h, src/closure.c, src/closure.h, src/complain.c:
174 * src/complain.h, src/conflicts.c, src/conflicts.h:
175 * src/derives.c, src/derives.h, src/files.c, src/files.h:
176 * src/flex-scanner.h, src/getargs.c, src/getargs.h:
177 * src/gram.c, src/gram.h, src/graphviz.c, src/ielr.c:
178 * src/ielr.h, src/lalr.c, src/lalr.h, src/local.mk:
179 * src/location.c, src/location.h, src/main.c:
180 * src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c:
181 * src/named-ref.h, src/nullable.c, src/nullable.h:
182 * src/output.c, src/output.h, src/parse-gram.y:
183 * src/print-xml.c, src/print-xml.h, src/print.c, src/print.h:
184 * src/print_graph.c, src/print_graph.h, src/reader.c:
185 * src/reader.h, src/reduce.c, src/reduce.h, src/relation.c:
186 * src/relation.h, src/scan-code.h, src/scan-code.l:
187 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
188 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
189 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
190 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
191 * tests/actions.at, tests/atlocal.in, tests/c++.at:
192 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
193 * tests/existing.at, tests/glr-regression.at:
194 * tests/headers.at, tests/input.at, tests/java.at:
195 * tests/local.at, tests/local.mk, tests/named-refs.at:
196 * tests/output.at, tests/push.at, tests/reduce.at:
197 * tests/regression.at, tests/sets.at, tests/skeletons.at:
198 * tests/synclines.at, tests/testsuite.at, tests/torture.at:
199 Don't use date ranges in copyright notices.
201 2010-05-11 Akim Demaille <demaille@gostai.com>
203 lalrl1.cc: give a chance to user defined YYLLOC_DEFAULT.
204 * data/lalr1.cc (YYLLOC_DEFAULT): Move its definition from the
205 header file to the implementation file, after the user %code
207 * NEWS (2.5): Document this.
209 2010-05-11 Akim Demaille <demaille@gostai.com>
212 * doc/bison.texinfo (Local Variables): Move this after the
213 LocalWords, since the latter are looked for in the whole document,
214 while the former are looked for only at its end.
215 Require american spell checking.
217 2010-05-10 Akim Demaille <demaille@gostai.com>
219 doc: fix lalr1.cc documentation.
220 * doc/bison.texinfo (C++ Scanner Interface): Fix yylex signature.
221 (C++ Bison Interface): Fix lalr1.cc skeleton name.
222 (C++ Parser Interface): Fix semantic_type and location_type names.
223 Document yy::parser::token.
224 Reported by Jerry Quinn.
226 2010-05-10 Akim Demaille <demaille@gostai.com>
229 * data/lalr1.cc (YYRHSLOC): New.
230 (YYLLOC_DEFAULT): Use it.
231 * data/glr.cc: If location_type was user defined, do not include
232 location.hh, and do not produce location.hh and position.hh.
233 * tests/calc.at (YYLLOC_DEFAULT): Use YYRHSLOC.
234 Check that glr.cc supports user defined location_type.
235 * NEWS: Document this.
237 2010-05-07 Akim Demaille <demaille@gostai.com>
240 * tests/synclines.at: here.
242 2010-05-04 Akim Demaille <demaille@gostai.com>
244 tests: enhance AT_SYNCLINES_COMPILE.
245 * tests/synclines.at (AT_SYNCLINES_COMPILE): More distcc patterns.
246 (AT_TEST_SYNCLINE): Remove GCC 4.5 protection which is already
247 taken care of in AT_SYNCLINES_COMPILE.
249 2010-05-04 Akim Demaille <demaille@gostai.com>
251 lalr1.cc: don't generate location.hh when location_type is defined
252 * data/bison.m4 (b4_percent_define_get): Accept a default value.
253 * data/c++.m4: Do not provide a default value for the %define
254 variable location_type, rather, use b4_percent_define_get with a
255 default argument where its value is needed.
256 * data/lalr1.cc: Do not load location.cc (which outputs both
257 location.hh and position.hh) if the user defined location_type.
258 Do not include location.hh either.
260 2010-05-04 Akim Demaille <demaille@gostai.com>
262 lalr1.cc: minor refactoring.
263 * data/lalr1.cc: Don't issue empty namespaces.
265 2010-05-04 Akim Demaille <demaille@gostai.com>
268 Currently, there is no check that %printer ... <foo> (nor
269 %destructor) is about an existing <foo> type. This C++ test had
270 it wrong (<::std::string> vs. <std::string>).
272 * tests/c++.at (AT_CHECK_VARIANTS): In list.yy, redefine the
273 pretty-printing of lists into something better for parser traces.
274 Update the expected output.
275 Fix correspondance between %type/%token and %printer.
277 2010-05-04 Akim Demaille <demaille@gostai.com>
279 lalr1.cc: location_type: make sure we don't depend on loc.(begin|end).
280 * tests/calc.at (Span): Instead of begin/end, as in the built-in
281 location class, use first and last.
282 Define YYLLOC_DEFAULT to adjust to these changes.
283 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Adjust to the
284 location_type changes.
286 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
288 tests: fix maintainer-xml-check.
289 * data/xslt/xml2dot.xsl (xsl:template match="bison-xml-report"):
290 Update output to include comments now produced by --graph.
291 (xsl:template match="automaton"): As for --graph, name the
292 digraph after the grammar file.
293 * src/print-xml.c (escape_bufs): Enlarge array.
294 (print_xml): Add bug-report and url attributes to
295 bison-xml-report element.
297 2010-05-01 Joel E. Denny <joeldenny@joeldenny.org>
299 In DOT output, convert from "/*" comments to "//" comments.
300 This handles the possibility that a "*/" might appear in
301 variable portions of those comments at some point in the future.
302 * src/graphviz.c (start_graph): Implement.
304 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
306 Document that undefined %prec identifier warnings will remain.
307 * NEWS (2.4.3): Here.
310 2010-04-30 Joel E. Denny <joeldenny@joeldenny.org>
312 Revert 2009-12-30 change for undefined %prec token complaints.
313 That is, keep them as warnings because that should be sufficient
314 to satisfy POSIX without creating backward compatibility issues.
315 Suggested by Richard Stallman at
316 <http://lists.gnu.org/archive/html/bison-patches/2010-03/msg00033.html>.
317 * NEWS (2.5): Remove mention of complaint.
318 * src/reader.c (grammar_rule_check): Convert complaint back to
320 * tests/input.at (%prec's token must be defined): Update.
322 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
324 build: don't require src/bison during bootstrap.
325 Suggested by Eric Blake at
326 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00003.html>.
327 * bootstrap.conf (bootstrap_epilogue): New function to make sure
328 src/parse-gram.[ch] are stamped later than src/parse-gram.y.
330 2010-04-25 Joel E. Denny <joeldenny@joeldenny.org>
332 i18n: fix untranslatable string.
333 Reported by Goran Uddeborg at
334 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00000.html>.
335 * src/muscle-tab.c (muscle_percent_define_insert): Here.
337 2010-04-13 Akim Demaille <demaille@gostai.com>
339 tests: calc: minor refactoring.
340 * tests/calc.at (_AT_DATA_CALC_Y): Simplify yylex.
342 2010-04-13 Akim Demaille <demaille@gostai.com>
344 tests: calc: simplify location management.
345 * tests/local.at (AT_LOC_PUSHDEF, AT_LOC_POPDEF): New.
346 (_AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS): Use them to
347 define the appropriate AT_LOC accessors.
348 * tests/calc.at: Use AT_LOC accessors.
350 2010-04-13 Akim Demaille <demaille@gostai.com>
353 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS):
354 Define AT_LOCATION_TYPE_IF.
355 (_AT_BISON_OPTION_POPDEFS): Undefine AT_LOCATION_TYPE_IF.
356 * tests/calc.at (_AT_DATA_CALC_Y): When %define location_type is
357 used, provide a user location type and use it.
358 (Simple LALR1 C++ Calculator): Add a test case for location_type.
360 2010-04-13 Akim Demaille <demaille@gostai.com>
362 tests: check fclose's return value.
363 * tests/calc.at (_AT_DATA_CALC_Y): Check fclose's return status.
365 2010-04-13 Akim Demaille <demaille@gostai.com>
367 tests: don't depend on the actual location type.
368 * tests/calc.at: Use yy::parser::location_type rather than
369 yy::location, since the former is always right, and might point to
370 another type than the latter.
372 2010-04-13 Akim Demaille <demaille@gostai.com>
375 * tests/calc.at: Formatting changes.
377 2010-04-13 Akim Demaille <demaille@gostai.com>
379 lalr1.cc: remove useless forward declaration.
380 * data/lalr1.cc: Include location.hh before stack.hh.
381 Remove the useless forward declarations of position and location.
382 Reported by Chris Morley.
383 * data/glr.cc: Likewise.
385 2010-04-11 Joel E. Denny <joeldenny@joeldenny.org>
387 * NEWS (2.4.3): Mention fix for Sun Studio C++.
389 2010-04-10 Joel E. Denny <joeldenny@joeldenny.org>
391 tests: fix for newer Sun Studio C++.
392 Reported by Dagobert Michelsen at
393 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00023.html>.
394 * THANKS (Dagobert Michelsen): Add.
395 * configure.ac (AC_PREREQ): Set to 2.64 so we get the latest
396 Autoconf macro for handling the restrict keyword.
397 * gnulib: Update to latest, which no longer overrides that macro
400 2010-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
402 portability: fix pointer arithmetic to conform to C standard.
403 Reported by Tys Lefering at
404 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00035.html>.
405 This fix is already implemented in glr.c and does not apply to
407 * data/lalr1.cc (yy::parser::parse): Increase size of
408 yyerror_range and adjust subscripting so you don't have to
409 subtract one from the beginning of the array.
410 * data/yacc.c (b4_declare_parser_state_variables,
411 yyparse, yypush_parse): Likewise.
413 2010-04-05 Akim Demaille <demaille@gostai.com>
415 remove useless include.
416 * src/graphviz.h: Don't include stdbool.h.
418 2010-04-05 Akim Demaille <demaille@gostai.com>
420 graph: sign the output file.
421 * src/graphviz.c (start_graph): Issue comments about Bison.
422 Suggested by Tys Lefering.
424 2010-03-31 Joel E. Denny <jdenny@ces.clemson.edu>
426 portability: fix test suite for GCC 4.5's new #error message.
427 Reported by Tys Lefering at
428 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00030.html>.
429 * NEWS (2.4.3): Mention.
430 * tests/synclines.at (AT_TEST_SYNCLINE): Implement.
432 2010-03-30 Akim Demaille <demaille@gostai.com>
435 * src/graphviz.h: Add missing license notice.
438 2010-03-25 Akim Demaille <demaille@gostai.com>
440 tests: fix 250: parse.error=verbose overflow.
441 * tests/regression.at (parse.error=verbose overflow): Avoid the
442 double inclusion of stdlib.h as it triggers hard errors.
444 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
446 portability: fix for BSD make.
447 Reported by Johan van Selst at
448 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00016.html>.
449 * tests/local.mk ($(TESTSUITE)): Qualify package.m4 in
450 this dependency list as in package.m4's target rule.
452 2010-03-23 Joel E. Denny <jdenny@ces.clemson.edu>
454 portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.
455 Reported by Johan van Selst at
456 <http://lists.gnu.org/archive/html/bug-bison/2010-03/msg00014.html>.
458 * THANKS (Johan van Selst): Add.
459 * etc/prefix-gnulib-mk (prefix): Adjust regex for makefile
460 targets so that gnulib's new c++defs.h is matched.
461 * gnulib: Update to latest.
463 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
465 maint: update for changes to gnulib's announce-gen.
466 * HACKING (Announce): RELEASE_TYPE=major must now be written
469 2010-03-20 Joel E. Denny <jdenny@ces.clemson.edu>
472 * NEWS (2.4.2): Set version and date. For the recent test suite
473 portability fixes, don't be so optimistic about their success
474 given the lack of feedback on the affected platforms.
476 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
478 tests: fix maintainer-xml-check for recent changes.
479 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Use
480 AT_BISON_CHECK_NO_XML rather than AT_BISON_CHECK because an
481 output file whose name conflicts with a previous output file
482 is now never generated.
484 2010-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
486 portability: fix several issues with M4 subprocess.
488 M4's output pipe was not being drained upon fatal errors during
489 scan_skel. As a result, broken-pipe messages from M4 were seen
490 on at least AIX, HP-UX, Solaris, and RHEL4, and this caused a
491 failure in the test suite. The problem was that, on platforms
492 where the default disposition for SIGPIPE is ignore instead of
493 terminate, M4 sometimes saw fwrite fail with errno=EPIPE and
494 then reported it. However, there's some sort of race condition,
495 because the new test group occasionally succeeded.
496 Reported by Albert Chin at
497 <http://lists.gnu.org/archive/html/bug-bison/2010-02/msg00004.html>.
499 There were also problems with the test suite livelocking on
500 Tru64 5.1b. Reported by Didier Godefroy at
501 <http://lists.gnu.org/archive/html/bug-bison/2009-05/msg00005.html>.
502 Switching to create_pipe_bidi suggested by Akim Demaille.
504 To attempt to solve both of these problems, switch to gnulib's
505 create_pipe_bidi and register M4 process as a slave. Along the
506 way, clean up file name conflict handling, which was affected by
507 the broken-pipe problem before the switch.
508 * NEWS (2.4.2): Document.
509 * THANKS (Didier Godefroy): Add.
510 * bootstrap.conf (gnulib_modules): Add pipe.
511 * gnulib: Update to latest to make sure we have all the latest
513 * lib/local.mk (lib_libbison_a_SOURCES): Remove subpipe.h and
515 * po/POTFILES.in (lib/subpipe.c): Remove.
516 * src/files.c (compute_output_file_names): Update invocations
517 of output_file_name_check.
518 (output_file_name_check): In the case that the grammar file
519 would be overwritten, use complain instead of fatal, but replace
520 the output file name with /dev/null. Use the /dev/null solution
521 for the case of two conflicting output files as well because it
522 seems safer in case Bison one day tries to open both files at
524 * src/files.h (output_file_name_check): Update prototype.
525 * src/output.c (output_skeleton): Use create_pipe_bidi and
526 wait_subprocess. Assert that scan_skel completely drains the
528 * src/scan-skel.l (at_directive_perform): Update
529 output_file_name_check invocation.
530 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): Check that the
531 grammar file actually isn't overwritten.
532 (Conflicting output files: -o foo.y): Update expected output.
533 * tests/skeletons.at (Fatal errors but M4 continues producing
534 output): New test group.
536 2010-02-04 Joel E. Denny <jdenny@ces.clemson.edu>
539 * HACKING (Release Procedure): Add reminder about keeping
540 POTFILES files up-to-date.
541 * po/POTFILES.in (src/muscle-tab.c, src/scan-skel.l): Add.
543 2010-02-01 Joel E. Denny <jdenny@clemson.edu>
546 * tests/atlocal.in (abs_top_srcdir): Remove shell variable,
547 which is already defined in atconfig.
549 2010-01-22 Joel E. Denny <jdenny@clemson.edu>
551 tests: fix missing include caught by g++ 4.4.1.
552 Reported by Tys Lefering.
553 * HACKING (Release checks): Add note about trying a recent GCC.
554 * tests/regression.at (_AT_DATA_DANCER_Y): For C++, include
556 (_AT_DATA_EXPECT2_Y): Likewise.
558 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
560 * cfg.mk (gnulib_dir): Assume gnulib is a subdirectory.
562 2010-01-21 Joel E. Denny <jdenny@clemson.edu>
564 maint: automate PACKAGE_COPYRIGHT_YEAR update, and update it.
565 * HACKING (Release Procedure): Update notes on copyright years.
566 * Makefile.am (update-package-copyright-year): New target rule.
567 * build-aux/update-package-copyright-year: New file.
568 * cfg.mk (update-copyright): Add update-package-copyright-year
571 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
573 * bootstrap: Import improvements from latest gnulib.
575 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
577 build: require Automake 1.11.1 to avoid a security flaw.
578 * HACKING (Release Procedure): Don't document Automake security
580 * configure.ac (AM_INIT_AUTOMAKE): Require 1.11.1, and explain
583 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
585 gnulib: update to latest.
587 2010-01-19 Joel E. Denny <jdenny@clemson.edu>
589 ChangeLog (2006-09-15): add Odd Arild Olsen's role for push.c.
591 2010-01-15 Joel E. Denny <jdenny@clemson.edu>
593 Thank the developer of the initial push parser implementation.
594 This unfortunate oversight is several years old.
595 * THANKS (Odd Arild Olsen): Add.
597 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
599 Fix some comments concerning LR(0) versus LALR(1).
601 Stop equating LR(0) with nondeterminism and LALR(1) with
602 determinism. That is, if all states are consistent, then LR(0)
603 tables are deterministic. On the other hand, LALR(1) tables
604 might be nondeterministic before conflict resolution, and GLR
605 permits LALR(1) tables to remain nondeterministic.
606 * src/LR0.c, src/LR0.h: Here.
607 * src/lalr.c, src/lalr.h: Here.
608 * src/main.c (main): Here.
609 * src/state.c, src/state.h: Here.
611 * src/ielr.h (ielr): In preconditions, expect LR(0) not LALR(1)
614 2010-01-04 Joel E. Denny <jdenny@clemson.edu>
616 maint: run "make update-copyright"
618 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
620 POSIX: complain if %prec's token was not defined.
621 * NEWS (2.5): Document.
622 * src/reader.c (grammar_rule_check): Convert warning to
624 * tests/input.at (%prec's token must be defined): Update.
626 2009-12-30 Joel E. Denny <jdenny@clemson.edu>
628 POSIX: warn if %prec's token was not defined.
629 Reported by Florian Krohm at
630 <http://lists.gnu.org/archive/html/bug-bison/2009-12/msg00005.html>.
631 * NEWS (2.4.2): Document.
632 * src/reader.c (grammar_rule_check): Implement.
633 (grammar_current_rule_prec_set): Add comments explaining that we
634 here assume a %prec identifier is a token, but we still manage
636 * tests/input.at (%prec's token must be defined): New test
639 2009-12-31 Joel E. Denny <jdenny@clemson.edu>
641 * HACKING (Release Procedure): Recommend a secure automake.
643 2009-12-29 Joel E. Denny <jdenny@clemson.edu>
645 portability: `<' and `>' are not always defined on addresses.
646 Specifically, don't sort objects by their memory addresses when
647 they're not allocated in the same array or other object. Though
648 I haven't found a test case where that fails on my platform, C
649 says the behavior is undefined.
650 * src/AnnotationList.c (AnnotationList__insertInto): Remove
651 FIXME. Use new id field of InadequacyList nodes rather than
652 their memory addresses when sorting.
653 (AnnotationList__compute_from_inadequacies): Add
654 inadequacy_list_node_count argument to pass to
655 InadequacyList__new_conflict.
656 * src/AnnotationList.h
657 (AnnotationList__compute_from_inadequacies): Update prototype
658 and documentation for new argument.
659 * src/InadequacyList.c (InadequacyList__new_conflict): Add
660 node_count argument and use it to assign a unique ID.
661 * src/InadequacyList.h (InadequacyListNodeCount): New typedef.
662 (InadequacyList): Add id field.
663 (InadequacyList__new_conflict): Update prototype and
664 documentation for new argument.
665 * src/ielr.c (ielr_compute_annotation_lists): Update
666 AnnotationList__compute_from_inadequacies invocation.
668 2009-12-20 Joel E. Denny <jdenny@clemson.edu>
670 Fix handling of yychar manipulation in user semantic actions.
671 The problem was that yacc.c didn't always update the yychar
672 translation afterwards. However, other skeletons appear to be
673 fine. glr.c appears to already translate yychar before every
674 use. lalr1.cc does not define yychar and does not document its
675 replacement, yyla, for users. It does provide yyclearin, but
676 that does not manipulate yyla and thus requires no translation
677 update. In lalr1.java, yychar is out of scope during semantic
679 * NEWS (2.5): Document.
680 * data/yacc.c (YYBACKUP): Don't bother translating yychar into
682 (yyparse, yypush_parse): Instead, translate before every use of
683 yytoken, and add comments explaining this approach.
684 * tests/actions.at (Destroying lookahead assigned by semantic
685 action): New test group checking that translation happens before
686 lookahead destructor calls at parser return. Previously,
687 incorrect destructors were called.
688 * tests/conflicts.at (parse.error=verbose and consistent
689 errors): New test group checking that translation happens at
690 syntax error detection before the associated verbose error
691 message and the associated lookahead destructor calls. While
692 the destructor call is fixed by this patch, the verbose error
693 message is currently incorrect due to another bug (see
694 comments in test group), so this is an expected failure for now.
696 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
698 YYFAIL: warn about uses and remove from lalr1.java.
699 * NEWS (2.5): Document.
700 * data/lalr1.java (parser::YYStack::YYFAIL): Rename to YYERRLAB,
701 and make it private. Update all uses.
702 * src/scan-code.l (SC_RULE_ACTION): Implement warning.
704 2009-12-21 Joel E. Denny <jdenny@clemson.edu>
707 * NEWS (2.4.2): Document deprecation and the phase-out plan.
708 * data/lalr1.java (parser::YYStack::YYFAIL): Add comment about
710 * data/yacc.c (YYFAIL): Likewise, and suppress warnings about
711 YYFAIL from GCC cpp's -Wunused-macros.
712 * doc/bison.texinfo (Java Action Features): Remove YYFAIL
714 (LocalWords): Remove YYFAIL.
716 2009-12-20 Joel E. Denny <jdenny@clemson.edu>
719 * tests/c++.at (Syntax error discarding no lookahead): Don't
720 ignore stderr. Instead, eliminate remaining warnings.
722 2009-12-18 Joel E. Denny <jdenny@clemson.edu>
724 lalr1.cc: don't discard non-existent lookahead on syntax error.
725 * data/lalr1.cc (parser::parse): Check yyempty first.
726 * tests/c++.at (Syntax error discarding no lookahead): New test
729 2009-12-17 Joel E. Denny <jdenny@clemson.edu>
732 * src/symtab.c, src/symtab.h (symbol_class_get_string): Remove
733 function, which is no longer used.
735 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
737 Add gcc's -Wundef to test suite and fix another warning from it.
738 * NEWS (2.4.2): Update description of -Wundef fix.
739 * configure.ac (WARN_CXXFLAGS_TEST): New substitution.
740 (WARN_CFLAGS_TEST): New substitution.
741 * data/glr.c: Avoid warning about __STRICT_ANSI__.
742 * tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of
744 (NO_WERROR_CFLAGS): Likewise.
745 (CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS.
747 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
749 * data/yacc.c: Reformat m4 a little.
751 2009-12-16 Joel E. Denny <jdenny@clemson.edu>
753 Document gcc -Wundef fix.
754 * NEWS (2.4.2): Here.
755 * THANKS (Jonathan Nieder): Add.
757 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
759 Simplify y.tab.c when location tracking is disabled.
760 * data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location
761 tracking is not enabled. Instead, unconditionally define
762 YY_LOCATION_PRINT as a no-op for backward compatibility.
764 2009-12-15 Jonathan Nieder <jrnieder@gmail.com> (tiny change)
766 Avoid warnings from gcc -Wundef y.tab.c.
767 * data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are
768 defined before using them.
769 * data/lalr1.cc: Likewise.
770 * data/yacc.c: Likewise.
772 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
774 autoconf: update to latest for fix of M4 detection.
775 Reported by Eric Blake.
776 * submodules/autoconf: Update.
778 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
780 portability: use -DGNULIB_POSIXCHECK.
781 Reported by Eric Blake. See discussions at
782 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00008.html>
784 <http://lists.gnu.org/archive/html/bug-gnulib/2009-10/msg00108.html>.
785 * HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK.
786 * bootstrap.conf (gnulib_modules): Add all the printf modules
787 suggested by -DGNULIB_POSIXCHECK. Add realloc-posix as
788 suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c.
789 (excluded_files): Remove m4/printf-posix.m4.
790 * tests/atlocal.in (LIBS): As for LDADD in src/local.mk, add
791 lib/libbison.a so gnulib libraries can be linked.
793 2009-12-15 Joel E. Denny <jdenny@clemson.edu>
795 gnulib: update for fix of fprintf-posix, which we'll use soon.
796 * etc/prefix-gnulib-mk (prefix): Adjust regex for make file
797 targets so that gnulib's new arg-nonnull.h and link-warning.h
801 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
803 Enable assertion output and --disable-assert for configure.
804 * bootstrap.conf (gnulib_modules): Add assert module.
805 * src/system.h (aver): Define as assert, and summarize the
806 discussion on this issue.
808 2009-12-14 Joel E. Denny <jdenny@clemson.edu>
810 Expand GLR acronym in summary of Bison.
811 Based on discussion with Akim Demaille starting at
812 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00087.html>.
813 * doc/bison.texinfo (Introduction): Here.
814 * src/getargs.c (usage): Here.
816 2009-10-03 Alex Rozenman <rozenman@gmail.com>
818 Document named references.
819 * doc/bison.texinfo (Actions): Add new example and xref to
820 Using Named References node.
821 (Using Named References): New node.
823 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
826 * src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead
828 (Sbitset__isEmpty): Use Sbitset instead of char*.
829 * src/Sbitset.h (Sbitset): Make it a pointer to unsigned char
830 instead of char. This helps to avoid casting errors.
831 (Sbitset__or): Use Sbitset instead of char*.
833 2009-10-16 Joel E. Denny <jdenny@clemson.edu>
835 portability: don't assume 8-bit bytes.
836 That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff.
837 * src/Sbitset.h (Sbitset__nbytes): Here.
838 (Sbitset__byteAddress): Here.
839 (Sbitset__bit_mask): Here.
840 (Sbitset__last_byte_mask): Here.
841 (Sbitset__ones): Here.
842 (SBITSET__FOR_EACH): Here.
844 2009-10-11 Joel E. Denny <jdenny@clemson.edu>
846 portability: use va_start and va_end in the same function.
847 * src/complain.c (error_message): Move va_end from here...
848 (ERROR_MESSAGE): ... to here.
850 2009-10-08 Joel E. Denny <jdenny@clemson.edu>
852 * data/bison.m4: Update comments for rename to muscle-tab.h.
854 2009-10-07 Joel E. Denny <jdenny@clemson.edu>
857 * src/muscle-tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and
858 replace all uses with UNIQSTR_CONCAT.
859 * src/uniqstr.c (uniqstr_vsprintf): New function.
860 * src/uniqstr.h (uniqstr_vsprintf): Add prototype.
861 (UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New
864 2009-10-06 Joel E. Denny <jdenny@clemson.edu>
866 * TODO (Complaint submessage indentation): New.
868 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
871 * src/parse-gram.y: Clean up sorting of declarations.
872 Use types to simplify %printer declarations where possible.
873 Provide %printer for BRACKETED_ID and symbol.prec.
874 * src/symtab.c: Whitespace change.
876 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
878 tests: skip tests of file names that platform does not support.
879 Reported by Michael Raskin at
880 <http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
881 * THANKS (Michael Raskin): Add.
882 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used
883 to fail at least for file names containing ":" or "\".
885 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
887 yysyntax_error: avoid duplicate lookahead collection.
888 Except when memory reallocation is required, this change
889 eliminates the need to invoke yysyntax_error twice and thus to
890 repeat the collection of lookaheads. It also prepares for
891 future extensions that will make those repetitions more
892 expensive and that will require additional memory management in
893 yysyntax_error. Finally, it fixes an obscure bug already
894 exercised in the test suite.
895 * data/yacc.c (yysyntax_error): Add arguments for message
896 buffer variables stored in the parser. Instead of size, return
897 status similar to yyparse status but indicating success of
898 message creation. Other than the actual reallocation of the
899 message buffer, import and clean up memory management code
901 (yyparse, yypush_parse): ... here.
902 * tests/regression.at (parse.error=verbose overflow): No longer
905 2009-09-23 Joel E. Denny <jdenny@clemson.edu>
907 yysyntax_error: test memory management more.
908 * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro.
909 * tests/regression.at (parse.error=verbose and
910 YYSTACK_USE_ALLOCA): New test group.
911 (parse.error=verbose overflow): New test group that reveals an
912 obscure bug. Expected fail for now.
914 2009-10-04 Joel E. Denny <jdenny@clemson.edu>
916 benchmarks: use %debug consistently among grammars.
917 * etc/bench.pl.in (generate_grammar_triangular): Do not activate
918 %debug by default. It can affect the timings even if yydebug=0.
919 (generate_grammar_calc): For consistency with other grammars,
920 use YYDEBUG environment variable to set yydebug.
922 2009-10-03 Joel E. Denny <jdenny@clemson.edu>
925 * src/symtab.c (symbol_pack): Here because every symbol's number
926 is always defined by this time.
928 2009-10-03 Alex Rozenman <rozenman@gmail.com>
930 Add additional space after periods in NEWS.
933 2009-09-29 Joel E. Denny <jdenny@clemson.edu>
935 Use the correct conversion specifier for size_t.
936 Reported by Jim Meyering.
937 * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu"
938 because Sbitset__Index is size_t.
939 * src/Sbitset.c (Sbitset__fprint): Use it instead of %d.
941 2009-09-27 Joel E. Denny <jdenny@clemson.edu>
943 tests: don't abuse AT_BISON_CHECK.
944 * tests/regression.at (parse-gram.y: LALR = IELR): Move
945 additional shell commands outside of AT_BISON_CHECK.
947 2009-09-26 Joel E. Denny <jdenny@clemson.edu>
949 tests: check that parse-gram.y's IELR and LALR are identical.
950 * tests/atlocal.in (abs_top_srcdir): New shell variable.
951 * tests/regression.at (parse-gram.y: LALR = IELR): New test
954 2009-09-19 Alex Rozenman <rozenman@gmail.com>
956 Keep sub-messages aligned. Fix strings for translation.
957 * src/location.h (location_print): Add return value.
958 * src/location.c (location_print): Return number of printed
960 * src/complain.h (complain_at_indent, warn_at_indent): Prototype
962 * src/complain.cpp (indent_ptr): New static variable.
963 (error_message, complain_at_indent, warn_at_indent): Implement
964 the alignment mechanism.
965 * src/scan-code.l (parse_ref, show_sub_messages): Fix strings
966 for translations. Use new alignment mechanism.
967 * tests/named-ref.at: Adjust test-cases.
968 * NEWS (2.5): Add an announcement about named references.
970 2009-09-17 Akim Demaille <demaille@gostai.com>
973 * doc/bison.texinfo: here.
974 Reported by Alex Rozenman.
976 2009-09-16 Akim Demaille <demaille@gostai.com>
978 doc: lalr1.cc and variants.
979 * doc/bison.texinfo (Decl Summary): Document the "lex_symbol" and
980 "variant" %define variables.
981 (C++ Semantic Values): Split into...
982 (C++ Unions, C++ Variants): these.
984 (C++ Parser Interface): Fix type names.
985 Document parser::syntax_error.
986 Document the fact that locations are not mandatory.
987 (C++ Scanner Interface): Split into...
988 (Split Symbols, Complete Symbols): these.
990 (Calc++ Parsing Driver): Use variants.
993 (Calc++ Parser): Declare all the tokens, no
994 longer accept raw characters.
996 Adjust types and printers.
998 (Calc++ Scanner): Use make_<SYMBOL> functions.
999 Use strerror in error message.
1001 2009-09-16 Akim Demaille <demaille@gostai.com>
1003 doc: spell checking.
1004 * doc/bison.texinfo: here.
1006 2009-09-16 Akim Demaille <demaille@gostai.com>
1008 doc: comment changes.
1009 * doc/bison.texinfo: Comment changes.
1011 2009-09-16 Akim Demaille <demaille@gostai.com>
1013 lalr1.cc: factor the yytranslate_ invocation in make_SYMBOLS.
1014 * data/c++.m4, data/lalr1.cc (parser::symbol_type): Change the
1015 constructor to take a token_type instead of the (internal) symbol
1018 * data/variant.hh (b4_symbol_constructor_define_): Therefore,
1019 don't call yytranslate_ here.
1021 2009-09-16 Akim Demaille <demaille@gostai.com>
1024 * TODO (Figures): New.
1026 2009-09-13 Joel E. Denny <jdenny@clemson.edu>
1028 tests: clean up push.at test group titles.
1029 * tests/push.at: Remove "Push Parsing: " from test group titles
1030 because these are already under the banner "Push Parsing Tests".
1032 2009-09-12 Alex Rozenman <rozenman@gmail.com>
1034 Provide an additional sub-message for clarity.
1035 Add "symbol not found in production" error message when
1036 an "invalid reference" is detected in named references
1038 * src/scan-code.l: Update "invalid reference" case.
1039 * tests/named-ref.at: Adjust test-cases.
1041 2009-09-10 Joel E. Denny <jdenny@clemson.edu>
1043 Clean up yacc.c a little.
1044 * data/yacc.c: Clean up M4 for readability, and make output
1045 whitespace more consistent. For the main parse function
1046 comment, instead of saying "yyparse or yypush_parse", say either
1047 "yyparse" or "yypush_parse" depending on which it actually is.
1049 2009-09-10 Joel E. Denny <jdenny@clemson.edu>
1051 Fix --enable-gcc-warnings.
1052 * src/parse-gram.y (%printer <param>): Handle param_none.
1054 2009-09-09 Akim Demaille <demaille@gostai.com>
1056 lalr1.cc: syntax_error as exceptions.
1057 It is common to use sort of factories in the user actions. These
1058 factories may check some "syntactic" constraints that are not
1059 enforced by the grammar itself. This is possible using YYERROR
1060 within the action itself. Provide the user with a means to throw
1061 a syntax_error exception.
1063 * data/c++.m4 (b4_public_types_declare, b4_public_types_define):
1064 Declare and define yy::parser::syntax_error.
1065 * data/lalr1.cc: Include stdexcept.
1066 (yy::parser::parse): Wrap the user action within a try/catch.
1067 * data/glr.cc: Include stdexcept.
1069 2009-09-09 Akim Demaille <demaille@gostai.com>
1071 lalr1.cc: add missing "inline".
1072 * data/c++.m4 (b4_public_types_define): Add missing inline to
1073 implementations provided in headers.
1075 2009-09-09 Akim Demaille <demaille@gostai.com>
1077 %param: documentation.
1078 * NEWS (2.6): Document %param, %lex-param, and %parse-param
1080 * doc/bison.texinfo: Document that %lex-param and %parse-param
1082 Changes some examples to demonstrate it.
1083 (Calc++ Parser): Use %param.
1085 2009-09-09 Akim Demaille <demaille@gostai.com>
1089 2009-09-09 Akim Demaille <demaille@gostai.com>
1092 * src/parse-gram.y (add_param): Scope changes.
1094 2009-09-09 Akim Demaille <demaille@gostai.com>
1096 %parse: support several arguments.
1097 * src/parse-gram.y (current_param): New.
1098 (param_type): Add param_none.
1099 (params): New nonterminal.
1102 2009-09-09 Akim Demaille <demaille@gostai.com>
1106 2009-09-09 Akim Demaille <demaille@gostai.com>
1109 Provide a means to factor lex-param and parse-param common
1112 * src/parse-gram.y (param_type): New.
1113 Define a %printer for it.
1114 (add_param): Use it.
1115 (%parse-param, %lex-param): Merge into...
1116 (%parse): this new token.
1117 Adjust the grammar to use it.
1118 * src/scan-gram.l (RETURN_VALUE): New.
1119 (RETURN_PERCENT_FLAG): Use it.
1120 (RETURN_PERCENT_PARAM): New.
1121 Use it to support %parse-param, %lex-param and %param.
1123 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1125 Use aver not assert.
1126 * src/output.c: Don't include assert.h.
1127 (output_skeleton): Use aver not assert.
1128 * src/system.h (aver): In documentation of why, add links to
1129 Paul Eggert's explanations in the mailing lists.
1131 2009-09-05 Alex Rozenman <rozenman@gmail.com>
1133 Use "Unresolved reference" error message when no symbols were found
1134 in a symbolic reference resolution. Remove .expr and -expr from
1135 the shown reference when the reference is unresolved.
1136 * src/scan-code.l: Change the error message, adjust location columns,
1137 rename variable "exact_mode" to "explicit_bracketing".
1138 * tests/named-ref.at: Adjust existing tests and add a new one.
1140 2009-09-04 Akim Demaille <demaille@gostai.com>
1142 Adjust synclines in src/parse-gram.[ch].
1143 * tests/bison.in: Do some magic (including working around issues
1144 with ylwrap) when this wrapper is used to compile
1147 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1149 Complain about unused %define variables and %code qualifiers.
1150 * NEWS (2.5): Document.
1151 * data/bison.m4 (b4_check_user_names): Complain instead of warn.
1152 * doc/bison.texinfo (Decl Summary): Document complaint, and
1153 improve %define documentation a little otherwise.
1154 * tests/input.at (Reject unused %code qualifiers): Update.
1155 (%define errors): Update.
1156 (%define, --define, --force-define): Update.
1157 (%define backward compatibility): Update.
1158 (Unused %define api.pure): Update.
1159 * tests/push.at (Push Parsing: Unsupported Skeletons): Update.
1161 2009-09-03 Joel E. Denny <jdenny@clemson.edu>
1163 Don't suppress warnings about unused parse.error.
1164 * data/bison.m4 (b4_error_verbose_flag): Don't examine value of
1165 %define variable parse.error unless b4_error_verbose_flag is
1166 actually expanded in a skeleton.
1168 2009-09-03 Akim Demaille <demaille@gostai.com>
1170 * NEWS (2.4.2): Add "Internationalization" item.
1172 2009-09-03 Akim Demaille <demaille@gostai.com>
1174 bootstrap: fix/improve find_tool.
1175 * bootstrap (find_tool): Improve error messages.
1176 Fix typo about find_tool_names.
1178 2009-08-29 Joel E. Denny <jdenny@clemson.edu>
1180 Fix gcc 3.4.4 shadowing warning reported by Eric Blake.
1182 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00093.html>.
1183 * src/scan-code.h (code_props_rule_action_init): Rename
1184 named_ref arg to name so it doesn't shadow named_ref type. This
1185 makes it consistent with the function definition in scan-code.l
1188 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1190 %define: accept unquoted values.
1191 * NEWS (2.5): Group all %define changes together, and document
1192 this one. Remove quotes in IELR and canonical LR entry.
1193 * doc/bison.texinfo: Remove quotes in most examples throughout.
1194 (Decl Summary): Update %define documentation.
1195 (Table of Symbols): Likewise.
1196 * src/ielr.c (LrType): Update documentation.
1197 * src/parse-gram.y (content.opt): Add production for ID.
1198 * tests/actions.at: Remove quotes in most tests.
1199 * tests/calc.at: Likewise.
1200 * tests/existing.at: Likewise.
1201 * tests/input.at: Likewise.
1202 * tests/local.at: Likewise.
1203 * tests/push.at: Likewise.
1204 * tests/reduce.at: Likewise.
1205 * tests/torture.at: Likewise.
1207 2009-08-28 Joel E. Denny <jdenny@clemson.edu>
1209 %define lr.type: make values lowercase IDs.
1210 That is, "LALR" => "lalr", "IELR" => "ielr", and
1211 "canonical LR" => "canonical-lr".
1212 * NEWS (2.5): Update documentation.
1213 * doc/bison.texinfo (Decl Summary): Likewise.
1214 * src/ielr.c (ielr): Use new values.
1215 * src/ielr.h (ielr): Update documentation.
1216 * src/reader.c (prepare_percent_define_front_end_variables): Use
1217 and validate new values.
1218 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): Update test
1220 * tests/reduce.at (AT_TEST_LR_TYPE): Likewise.
1222 2009-08-27 Eric Blake <ebb9@byu.net>
1224 scan-gram: avoid portability trap with ctype usage.
1225 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
1226 Avoid compiler warning.
1228 2009-08-27 Joel E. Denny <jdenny@clemson.edu>
1230 tests: use perl for printing special sequences to files.
1231 And skip tests if perl is not available. This is better than
1232 playing tricks with shell portability. Suggested by Akim
1234 * tests/input.at (Bad character literals): Use it here for
1235 omitting final newlines.
1236 (Bad escapes in literals): Use it here for special characters.
1238 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
1240 tests: show a use of %define lr.default-reductions "consistent"
1241 * tests/conflicts.at (%nonassoc and eof): Extend to test that it
1242 prevents the omission of expected tokens for %error-verbose.
1244 2009-08-26 Akim Demaille <demaille@gostai.com>
1246 tests: portability fix.
1247 * tests/input.at (Bad escapes in literals): Don't expect "echo
1248 '\0'" to output \ then 0.
1250 2009-08-26 Joel E. Denny <jdenny@clemson.edu>
1252 Actually handle the yytable zero value correctly this time.
1253 * data/bison.m4 (b4_integral_parser_tables_map): Don't mention
1254 zero values in the YYTABLE comments.
1255 * data/glr.c (yytable_value_is_error): Don't check for zero
1257 * data/lalr1.cc (yy_table_value_is_error_): Likewise.
1258 * data/yacc.c (yytable_value_is_error): Likewise.
1259 * data/lalr1.java (yy_table_value_is_error_): Likewise.
1260 (yysyntax_error): Fix typo in code: use yytable_ not yycheck_.
1261 * src/tables.h: In header comments, explain why it's useless to
1262 check for a zero value in yytable.
1264 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1266 More fixes related to last two patches.
1267 * data/bison.m4 (b4_integral_parser_tables_map): Fix YYTABLE
1268 comments: zero indicates syntax error not default action.
1269 * data/c.m4 (b4_table_value_equals): Comment that YYID must be
1271 * data/glr.c (yyis_pact_ninf): Rename to...
1272 (yypact_value_is_default): ... this.
1273 (yyisDefaultedState): Update for rename.
1274 (yyis_table_ninf): Rename to...
1275 (yytable_value_is_error): ... this, and check for value zero
1276 besides just YYTABLE_NINF.
1277 (yygetLRActions): Check for default value from yypact. It
1278 appears that this check is always performed before this function
1279 is invoked, and so adding the check here is probably redundant.
1280 However, the code may evolve after this subtlety is forgotten.
1281 Also, update for rename to yytable_value_is_error. Because that
1282 macro now checks for zero, a different but equivalent branch of
1283 the if-then-else here is evaluated.
1284 (yyreportSyntaxError): Update for rename to
1285 yytable_value_is_error. The zero condition was mishandled
1287 (yyrecoverSyntaxError): Update for renames. No behavioral
1289 * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_):
1291 (yy_table_value_is_error_): New function.
1292 (parse): Use new functions where possible. No behavioral
1294 (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_.
1295 The zero condition was mishandled before.
1296 * data/yacc.c (yyis_pact_ninf): Rename to...
1297 (yypact_value_is_default): ... this.
1298 (yyis_table_ninf): Rename to...
1299 (yytable_value_is_error): ... this, and check for value zero
1300 besides just YYTABLE_NINF.
1301 (yysyntax_error): Update for rename to yytable_value_is_error.
1302 The zero condition was mishandled before.
1303 (yyparse): Update for renames. No behavioral changes.
1304 * src/tables.h: Improve comments about yypact, yytable, etc.
1305 more. Most importantly, say yytable value of zero means syntax
1306 error not default action.
1308 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1310 Fix %error-verbose for conflicts resolved by %nonassoc.
1311 * NEWS (2.5): Document.
1312 * data/glr.c (yyreportSyntaxError): Fix this by checking
1314 * data/yacc.c (yysyntax_error): Likewise.
1315 * data/lalr1.cc (yysyntax_error_): Fix this by checking
1317 * data/lalr1.java (yysyntax_error): Likewise.
1318 * tests/conflicts.at (%nonassoc and eof): Update expected output
1321 2009-08-25 Joel E. Denny <jdenny@clemson.edu>
1323 Some code and documentation improvements.
1324 * data/c.m4 (b4_table_value_equals): New macro to capture
1326 * data/glr.c (yyis_pact_ninf): Use it here.
1327 (yyis_table_ninf): Likewise.
1328 (yyreportSyntaxError): Improve internal comments.
1329 * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c.
1330 Use it everywhere possible.
1331 (yyis_table_ninf): Likewise.
1332 (yysyntax_error): Improve internal comments.
1333 * data/lalr1.cc (yysyntax_error_): Likewise.
1334 * data/lalr1.java (yysyntax_error): Likewise.
1335 * src/tables.h: Improve comments about yypact, yytable, etc.
1337 2009-08-21 Joel E. Denny <jdenny@clemson.edu>
1339 Use locale when quoting.
1340 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use
1341 quote rather than implementing quoting here.
1343 2009-08-20 Eric Blake <ebb9@byu.net>
1345 Make previous patch more robust.
1346 * src/output.c (ARRAY_CARDINALITY): New macro, copied from
1348 (output_skeleton): Use it.
1349 Suggested by Akim Demaille.
1351 Import latest m4/m4.m4.
1352 * submodules/autoconf: Update to autoconf 2.64.
1353 * configure.ac (M4_GNU_OPTION): New define.
1354 * src/output.c (output_skeleton): Use it to resolve FIXME.
1355 * NEWS: Mention this.
1357 2009-08-19 Joel E. Denny <jdenny@clemson.edu>
1359 Fix complaints about escape sequences.
1360 Discussed starting at
1361 <http://lists.gnu.org/archive/html/bison-patches/2009-08/msg00036.html>.
1362 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER):
1363 For a \0 and similar escape sequences meaning the null
1364 character, report an invalid escape sequence instead of an
1365 invalid null character because the latter does not actually
1366 appear in the user's input.
1367 In all escape sequence complaints, don't escape the initial
1368 backslash, and don't quote when the sequence appears at the end
1369 of the complaint line unless there's whitespace that quotearg
1371 Consistently say "invalid" not "unrecognized".
1372 Consistently prefer "empty character literal" over "extra
1373 characters in character literal" warning for invalid escape
1374 sequences; that is, consistently discard those sequences.
1375 * tests/input.at (Bad escapes in literals): New.
1377 2009-08-19 Akim Demaille <demaille@gostai.com>
1380 * doc/bison.texinfo: Fix minor Texinfo errors.
1382 2009-08-19 Akim Demaille <demaille@gostai.com>
1384 tests: distcc compliance.
1385 * tests/synclines.at (AT_SYNCLINES_COMPILE): Discard distcc's
1386 error messages from the output.
1388 2009-08-19 Akim Demaille <demaille@gostai.com>
1390 variables: simplify the upgrade of namespace into api.namespace.
1392 This patch simplifies "variables: rename namespace as
1393 api.namespace", commit 67501061076ba46355cfd9f9361c7eed861b389c.
1394 Suggested by Joel E. Denny in
1395 http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00006.html
1397 * src/muscle-tab.c (muscle_percent_variable_update): New.
1398 (muscle_percent_define_insert): Use it in replacement of the
1399 previous tr invocation.
1400 Remove variable_tr, no longer needed.
1401 * data/bison.m4 (b4_percent_define_copy_, b4_percent_define_copy):
1403 * data/c++.m4: No longer handle namespace -> api.namespace.
1404 * tests/input.at (%define backward compatibility): Check that
1405 namespace is treated as api.namespace.
1407 2009-08-19 Akim Demaille <demaille@gostai.com>
1409 doc: %initial-action to initialize yylloc.
1410 Reported by Bill Allombert.
1411 * doc/bison.texinfo: Set fill-column to 76.
1412 (Location Type): Document the use of %initial-action to initialize
1415 2009-08-19 Akim Demaille <demaille@gostai.com>
1417 lalr1.cc: use state_type.
1418 * data/lalr1.cc (yysyntax_error_): Use state_type.
1419 Move argument names into yy*.
1421 2009-08-19 Akim Demaille <demaille@gostai.com>
1423 lalr1.cc: get rid of yyparse's yystate.
1424 yystate and yystack_[0].state are equal, keep only the latter.
1425 The former was also used as a temporary variable to compute the
1426 post-reduction state. Move this computation into an auxiliary
1429 * data/glr.c (yyLRgotoState): Fuse variable definition and first
1431 * data/lalr1.cc (yy_lr_goto_state_): New.
1433 Replace remaining uses of yystate by yystate_[0].state.
1436 2009-08-19 Akim Demaille <demaille@gostai.com>
1438 lalr1.cc: destroy $$ when YYERROR is called.
1439 * data/lalr1.cc (yyreduce): Compute the resulting state before
1440 running the user action so that yylhs is a valid symbol.
1441 (yyerrorlab): Since yylhs is complete (it knows its type), we can
1442 simply call yy_destroy_ to destroy $$ on YYERROR invocations.
1443 * tests/c++.at (AT_CHECK_VARIANTS): Test YYERROR with variants.
1445 2009-08-18 Joel E. Denny <jdenny@clemson.edu>
1447 maint: update for gnulib's recent update-copyright changes
1449 * .x-update-copyright (COPYING): Add as it's no longer implied
1450 when .x-update-copyright is present.
1451 * cfg.mk (update-copyright-local): Remove, now ignored.
1452 (update-copyright): Declare update-b4-copyright as a dependency.
1454 2009-08-17 Akim Demaille <demaille@gostai.com>
1456 build: require gettext 0.17.
1458 Suggested by Bruno Haible.
1459 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html
1460 * configure.ac: require gettext 0.17 to ensure compatibility with
1463 2009-08-17 Akim Demaille <demaille@gostai.com>
1465 build: lower gettext requirements.
1467 Bison was uselessly requiring the formatstring macros from
1468 gettext, which resulted in mo files not being installed on systems
1469 that perfectly supported Bison mo files. Lower the requirement.
1470 http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html
1472 * configure.ac: Require need-ngettext instead of
1473 need-formatstring-macros.
1474 Reported by Martin Jabocs.
1475 Suggested by Bruno Haible.
1476 * INSTALL: Restructure.
1477 (Internationalization): New.
1479 2009-08-14 Joel E. Denny <jdenny@clemson.edu>
1481 maint: fix use of copyright year intervals.
1483 * bootstrap.conf (gnulib_modules): Update getopt to getopt-gnu
1484 as now recommended in gnulib/NEWS.
1485 * build-aux/update-b4-copyright: Fix.
1486 * cfg.mk (update-copyright-env): Configure update-copyright.
1488 2009-08-13 Joel E. Denny <jdenny@clemson.edu>
1490 Make it easier to write deterministic tests.
1491 Continues Akim's work from his 2009-06-10 commits.
1492 * src/reader.c (check_and_convert_grammar): Don't add any
1493 symbols after the first symbols_do invocation.
1494 * src/symtab.c (symbols_sorted): New static global.
1495 (user_token_number_redeclaration): Update comments.
1496 (symbol_from_uniqstr): If a new symbol is being created, assert
1497 that symbols_sorted hasn't been allocated yet.
1498 (symbols_free): Free symbols_sorted.
1499 (symbols_cmp, symbols_cmp_qsort): New functions.
1500 (symbols_do): Sort symbol_table into symbols_sorted on first
1502 * tests/input.at (Numbered tokens): Recombine tests now that the
1503 output should be deterministic across multiple numbers.
1505 2009-08-12 Akim Demaille <demaille@gostai.com>
1507 tests: GCC 4.5 compliance.
1508 * tests/synclines.at (AT_SYNCLINES_COMPILE): Adjust to GCC 4.5's
1509 messages about #error.
1511 2009-08-12 Akim Demaille <demaille@gostai.com>
1513 build: fix the generation of the documentation.
1514 Some of our targets use "bison --help", but they can't depend on
1515 "bison" itself (to avoid additional requirements on the user), so
1516 they used to call "make src/bison" in the commands. Then
1517 concurrent builds may fail: one make might be aiming one of its
1518 jobs at compiling src/bison, and another job at generating the man
1519 page. If the latter is faster than the former, then we have two
1520 makes that concurrently try to compile src/bison.
1522 This might also be a more convincing explanation for the failure
1523 described in the patch "build: fix paths".
1525 * Makefile.am (SUFFIXES): Initialize.
1526 * build-aux/move-if-change: New, symlink to gnulib's.
1527 * build-aux/local.mk: Ship it.
1528 * doc/common.x: Remove, merged into...
1529 * doc/bison.x: here.
1530 * doc/local.mk (doc/bison.help): New.
1531 ($(CROSS_OPTIONS_TEXI)): Depend on it.
1533 (.x.1): Replace with...
1534 (doc/bison.1): this explicit, simpler, target.
1535 (common_dep): Remove, inlined where appropriate.
1536 (SUFFIXES, PREPATH): Remove, unused.
1538 2009-08-12 Akim Demaille <demaille@gostai.com>
1540 gnulib: improve prefixing.
1541 * configure.ac (gl_PREFIXED_LIBOBJS): Don't rename it, rather,
1542 change the value of...
1544 Adjust more variables.
1545 * etc/prefix-gnulib-mk (prefix_assignment): Don't rename
1547 (prefix): Also transform rules whose targets have slashes.
1548 Use $prefix liberally.
1549 Map @MKDIR_P@ to $(MKDIR_P).
1550 Prefix directories that are mkdir'd.
1552 2009-08-12 Akim Demaille <demaille@gostai.com>
1555 When using $(top_builddir) inconsistently, Make (including GNU
1556 Make) is sometimes confused. As a result it may want to build
1557 lib/libbison.la and $(top_builddir)/lib/libbison.la (the same
1558 file, different names) concurrently, which, amusingly enough,
1561 ranlib lib/libbison.a
1562 ranlib lib/libbison.a
1563 make[2]: *** [lib/libbison.a] Segmentation fault
1567 * doc/local.mk, src/local.mk: Do not use $(top_builddir) when not
1570 2009-08-12 Akim Demaille <demaille@gostai.com>
1574 * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp.
1576 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
1578 * tests/local.mk (TESTSUITE_AT): Add named-refs.at.
1580 2009-08-10 Joel E. Denny <jdenny@clemson.edu>
1582 Miscellaneous code readability improvements.
1584 * src/reader.c (reader): Move %define front-end variable
1585 defaults and checking into...
1586 (prepare_percent_define_front_end_variables): ... this new
1589 * src/scan-gram.l (INITIAL): For consistency with string
1590 literals, don't store open quote on character literal. It's
1591 discarded before returning anyway.
1592 (SC_ESCAPED_CHARACTER): Similarly, don't store close quote.
1593 Make length test more readable, and make the character stored
1594 for an empty literal more obvious while consistent with the
1597 * src/symtab.c, src/symtab.h: Rename USER_NUMBER_ALIAS to
1598 USER_NUMBER_HAS_STRING_ALIAS throughout.
1599 * src/symtab.c (symbol_make_alias): Remove comment from symtab.c
1600 that is repeated in symtab.h. Improve argument names to make it
1601 clear which side of the symbol-string alias pair is which.
1602 (symbol_check_alias_consistency): Improve local variable names
1603 for the same purpose.
1604 * src/symtab.h (struct symbol): Make comments about aliases
1606 (symbol_make_alias): Improve comments and argument name.
1607 * src/output.c (token_definitions_output): Update for rename to
1608 USER_NUMBER_HAS_STRING_ALIAS and improve comments about aliases.
1610 2009-08-08 Alex Rozenman <rozenman@gmail.com>
1612 Convert "misleading reference" messages to warnings.
1613 * src/scan-code.l: New function 'show_sub_messages', more
1615 * tests/named-ref.at: Adjust tests.
1617 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
1619 maint: run "make update-copyright"
1621 2009-08-06 Joel E. Denny <jdenny@clemson.edu>
1623 maint: make update-b4-copyright easier to use
1624 * build-aux/update-b4-copyright: In warnings, report line
1625 numbers rather than character positions.
1626 * cfg.mk (update-copyright-local): Set to update-b4-copyright so
1627 that update-copyright runs it.
1630 2009-08-05 Joel E. Denny <jdenny@clemson.edu>
1632 maint: clean up update-b4-copyright code
1633 * build-aux/update-b4-copyright: Do not accept 2-digit
1634 UPDATE_COPYRIGHT_YEAR, which was not handled correctly.
1635 Don't accept a `[' in a b4_copyright argument.
1636 Format code more consistently.
1637 Don't assume b4*copyright never occurs.
1639 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1641 maint: automate b4_copyright updates.
1642 * Makefile.am (update-b4-copyright): New target rule.
1643 * build-aux/local.mk (EXTRA_DIST): Add update-b4-copyright.
1644 * build-aux/update-b4-copyright: New.
1645 * data/yacc.c: Remove stray characters around b4_copyright
1648 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1650 maint: automate annual package-wide copyright-year update.
1651 * .x-update-copyright: New.
1652 * Makefile.am (EXTRA_DIST): Remove maint.mk.
1653 * bootstrap.conf (gnulib_modules): Add maintainer-makefile and
1654 update-copyright. Remove gnumakefile, which is implied by
1655 maintainer-makefile.
1656 * cfg.mk (bootstrap-tools): Copy from old maint.mk.
1658 * maint.mk: Remove, now copied from gnulib.
1659 * examples/extexi: Add missing "(C)" in copyright statement so
1660 update-copyright can recognize it.
1661 * src/LR0.h: Likewise.
1662 * src/print.h: Likewise.
1663 * src/print_graph.h: Likewise.
1664 * src/gram.c: Add missing comma in copyright statement.
1665 * src/gram.h: Likewise.
1667 2009-08-04 Joel E. Denny <jdenny@clemson.edu>
1669 Fix "make distcheck".
1670 * examples/calc++/Makefile.am: Say $(srcdir)/calc.stamp instead
1673 2009-08-01 Joel E. Denny <jdenny@clemson.edu>
1675 Pacify "gcc -Wunused" for the input function from Flex.
1676 Reported by Alex Rozenman. This warning shows up with gcc-4.3.0
1678 * src/scan-code.l: Add "%option noinput", which I cannot find in
1679 the Flex manual, but which Flex has supported since at least as
1680 far back as 2.5.4. However, if any of our developers still use
1681 Flex 2.5.4, they'll need to stop configuring with
1682 --enable-gcc-warnings because "%option noinput" didn't work
1683 correctly until Flex 2.5.6.
1684 * src/scan-gram.l: Likewise.
1685 * src/scan-skel.l: Likewise.
1687 2009-07-31 Alex Rozenman <rozenman@gmail.com>
1689 Fix --enable-gcc-warnings problems.
1690 * src/reader.c: Adjust variable names.
1691 * src/scan-code.l: Fix prototypes and adjust names.
1692 * src/named-ref.c: Remove redundant "if".
1694 2009-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
1696 Fix a --enable-gcc-warnings problem.
1697 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Actually use length
1700 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
1702 Warn about character literals not of length one.
1703 * NEWS (2.5): Document.
1704 * src/scan-gram.l (INITIAL): Remove comment that we don't check
1706 (SC_ESCAPED_CHARACTER): Warn if length is wrong.
1707 * tests/input.at (Bad character literals): New test group.
1709 2009-07-24 Alex Rozenman <rozenman@gmail.com>
1711 Fix some memory leaks.
1712 * src/named-ref.c: Add a pointer check (named_ref_free).
1713 * src/scan-code.l: New function (variant_table_free). Called in
1715 * src/symlist.c: Call to named_ref_free (symbol_list_free).
1717 2009-07-24 Joel E. Denny <jdenny@ces.clemson.edu>
1719 * src/lalr.c (state_lookahead_tokens_count): Correct comment.
1721 2009-07-22 Joel E. Denny <jdenny@ces.clemson.edu>
1723 Some M4 cleanup in the testsuite.
1724 Suggested by Eric Blake at
1725 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00083.html>.
1726 * tests/existing.at (_AT_TEST_EXISTING_GRAMMAR): Do not
1727 complicate the code by distinguishing between a missing value
1728 and an empty string value for an optional argument. This fix is
1729 allowed by the similar fix in AT_TEST_TABLES_AND_PARSE below.
1730 * tests/local.at (_AT_TEST_TABLES_AND_PARSE): Merge into...
1731 (AT_TEST_TABLES_AND_PARSE): ... this now that the special
1732 arguments are not needed because of the following changes.
1734 Bison developers should use GNU M4 and should not use
1735 POSIXLY_CORRECT when building the test suite, so do not
1736 complicate the code by avoiding $10 and above.
1737 Do not quote an empty string value for an optional argument, and
1738 do not distinguish between a missing value and an empty string
1741 2009-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
1743 Revert unnecessary column realignment in --help output.
1744 Reported by Akim Demaille at
1745 <http://lists.gnu.org/archive/html/bison-patches/2009-06/msg00010.html>.
1746 * src/getargs.c (usage): Here.
1748 2009-07-04 Alex Rozenman <rozenman@gmail.com>
1750 Alphabetical order in src/local.mk.
1751 * src/local.mk: Adjust.
1753 2009-07-04 Alex Rozenman <rozenman@gmail.com>
1755 Style changes and factoring.
1756 * src/named-ref.h: Add comments.
1757 * src/parse-gram.y: Readability and style changes.
1758 * src/reader.c: Factoring: assign_named_ref function.
1759 * src/scan-code.l: Factoring and style changes. Rename
1760 parse_named_ref to parse_ref. Use "c-ctype.h" from gnulib.
1761 Use "unsigned" type for variant index. Improve readablity.
1762 * src/scan-gram.l: Change error messages and add comments.
1763 * src/symlist.h: symbol_list_null: New function decl.
1764 * src/symlist.c: symbol_list_null: Implement here.
1765 * tests/named-refs.at: Adjust for new error messages.
1767 2009-06-29 Eric Blake <ebb9@byu.net>
1769 scan-code: avoid compiler warnings
1770 * src/scan-code.l (parse_named_ref): Use correct specifiers.
1772 2009-06-29 Akim Demaille <demaille@gostai.com>
1774 build: avoid concurrent extraction of calc++.
1775 * examples/calc++/Makefile.am (calc.stamp): New.
1776 Depend on it to create the sources of calc++ so that concurrent
1777 builds don't launch several "extexi" in parallel.
1778 Not only this is inefficient, this also builds incorrect sources
1779 with several extractions mixed together.
1781 2009-06-29 Akim Demaille <demaille@gostai.com>
1784 * data/bison.m4: Move code related to specific variables after the
1785 definition of the variable-maintaining macros so that we don't
1786 "invoke" b4_percent_define_check_values before it is defined.
1788 2009-06-29 Akim Demaille <demaille@gostai.com>
1790 variables: parse.error
1792 Implement, document, and test the replacement of %error-verbose
1793 by %define parse.error "verbose".
1794 * data/bison.m4 (b4_error_verbose_if): Reimplement to track the
1795 values of the parse.error variable.
1796 Make "simple" its default value.
1797 Check the valid values.
1798 * src/parse-gram.y: Use %define parse.error.
1799 (PERCENT_ERROR_VERBOSE): New token.
1801 * src/scan-gram.l: Support %error-verbose.
1803 * doc/bison.texinfo (Decl Summary): Replace the documentation of
1804 %define error-verbose by that of %define parse.error.
1805 * NEWS: Document it.
1807 * tests/actions.at, tests/calc.at: Use parse.error instead of
1810 2009-06-27 Alex Rozenman <rozenman@gmail.com>
1812 Implement support for named symbol references.
1813 * src/parse-gram.y: Add new syntax (named_ref.opt).
1814 * src/reader.c: Store named refs in symbol lists.
1815 * src/reader.h: New argument for symbol_append and
1816 action_append functions.
1817 * src/scan-code.h: Add new field (named_ref) into
1818 code_props data structure. Keeps named ref of midrule
1820 * src/scan-code.l: Support for named refs in semantic
1821 action code. New function 'parse_named_ref'.
1822 * src/scan-gram.l: Support bracketed id.
1823 * src/symlist.c: Store named refs in symbol lists.
1824 * src/symlist.h: New field in symbol list: named_ref.
1825 * src/named-ref.h: New file, a struct for named_ref.
1826 * src/named-ref.cp: New file, named_ref_new function.
1827 * src/local.mk: Add two new files.
1828 * tests/testsuite.at: Include new test group:
1829 * tests/named-refs.at: this new file.
1831 2009-06-25 Akim Demaille <demaille@gostai.com>
1833 hash: check insertion for memory exhaustion.
1834 * src/uniqstr.c (uniqstr_new): New.
1836 2009-06-24 Akim Demaille <demaille@gostai.com>
1838 variables: rename namespace as api.namespace.
1840 http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00033.html
1842 * data/bison.m4 (b4_percent_define_copy_, b4_percent_define_copy):
1844 (b4_percent_define_use): New.
1845 Use it where applicable.
1846 * data/c++.m4: Replace uses of the variable "namespace" by
1848 Default the latter to the former.
1849 * doc/bison.texinfo (Decl Summary): Document "namespace" as
1851 Document api.namespace.
1852 Use @samp to document %define uses, keep @code for identifiers.
1854 * tests/c++.at, tests/input.at: Test api.namespace instead of
1855 namespace. (The tests passed with namespace.)
1857 2009-06-11 Akim Demaille <demaille@gostai.com>
1860 * data/xslt/xml2dot.xsl, data/xslt/xml2xhtml.xsl: Space changes.
1861 * src/print-xml.c: Style changes.
1862 * tests/conflicts.at: Comment changes.
1864 2009-06-11 Akim Demaille <demaille@gostai.com>
1866 xml: beware of user strings used to give a %prec to rules.
1867 * tests/conflicts.at (%prec with user strings): New.
1868 * src/gram.c (grammar_rules_print_xml): Escape the precedence for
1871 2009-06-11 Akim Demaille <demaille@gostai.com>
1873 hash: check insertion for memory exhaustion.
1874 * src/muscle-tab.c (muscle_insert, muscle_grow)
1875 * src/state.c (state_hash_insert): Check the return value of
1878 2009-06-11 Akim Demaille <demaille@gostai.com>
1880 tests: honor TESTSUITEFLAGS in every check target.
1881 * tests/local.mk (RUN_TESTSUITE): New.
1882 (check-local, installcheck-local, maintainer-check-g++)
1883 (maintainer-check-posix, maintainer-check-valgrind): Use it.
1885 2009-06-10 Akim Demaille <demaille@gostai.com>
1887 deterministic test suite.
1888 Some consistency checks on symbols are performed after all the
1889 symbols were read, by an iteration over the symbol table. This
1890 traversal is nondeterministic, which can be a problem for test
1893 Addresses another form of nondeterminism reported by Joel E. Denny.
1894 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1896 * tests/input.at (Numbered tokens): Split the hexadecimal/decimal
1898 Use different file names for the three tests to make the
1901 2009-06-10 Akim Demaille <demaille@gostai.com>
1904 * gnulib: Update to latest.
1905 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore,
1906 * m4/.gitignore: Regen.
1907 * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr):
1908 Call xalloc_die on hash_insert failures.
1909 Requested by the new __warn_unused_result__ attribute of
1912 2009-06-10 Akim Demaille <demaille@gostai.com>
1914 deterministic user-token-number redeclaration errors.
1915 Address nondeterminism reported by Joel E. Denny.
1916 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00023.html
1918 * src/uniqstr.h: Comment changes.
1919 * src/location.h (boundary_cmp, location_cmp): New.
1920 * src/symtab.c (user_token_number_redeclaration): New.
1921 (symbol_translation): Use it.
1922 * tests/input.at (Numbered tokens): Adjust the expected output.
1924 2009-05-25 Akim Demaille <demaille@gostai.com>
1926 build: avoid ignored errors.
1927 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Don't generate ignored
1928 errors, they pollute the output.
1930 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1932 Convert multiple variable definition warnings to complaints.
1933 * NEWS (2.5): Add a new entry for that change.
1934 * doc/bison.texinfo (Decl Summary): Update %define entry.
1935 (Bison Options): Update -D/--define/-F/--force-define entry.
1936 * src/muscle-tab.c (muscle_percent_define_insert): Implement.
1937 * src/muscle-tab.h (muscle_percent_define_insert): Update
1939 * tests/input.at (`%define errors'): Update.
1940 (`%define, --define, --force-define'): Update.
1942 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1944 -F/--force-define and relative %define/-D/--define priorities.
1945 * NEWS (2.5): Add documentation to -D/--define entry.
1946 * build-aux/cross-options.pl: Hard-code association of
1947 --force-define with %define.
1948 * doc/bison.texinfo (Decl Summary): In %define entry,
1949 cross-reference command-line options.
1950 (Bison Options): Add documentation to -D/--define entry.
1951 (Option Cross Key): Widen column for --force-define row.
1952 * src/getargs.c (usage): Document -F/--force-define. Realign
1954 (short_options, long_options, getargs): Parse -F/--force-define,
1955 and update muscle_percent_define_insert invocations.
1956 * src/muscle-tab.h (muscle_percent_define_how): New enum type.
1957 (muscle_percent_define_insert): Add argument with that type.
1958 * src/muscle-tab.c (muscle_percent_define_insert): Implement
1959 -F/--force-define behavior and priorities.
1960 (muscle_percent_define_ensure): Update
1961 muscle_percent_define_insert invocation.
1962 * src/parse-gram.y (prologue_declaration): Update
1963 muscle_percent_define_insert invocations.
1964 * tests/input.at (`%define, --define'): Rename to...
1965 (`%define, --define, --force-define'): ... this and extend.
1967 2009-05-22 Joel E. Denny <jdenny@ces.clemson.edu>
1969 Update some comments to make sense for -D.
1970 * data/bison.m4 (b4_check_user_names): In header comments, say
1971 "user occurrence" instead of "grammar occurrence".
1972 * src/muscle-tab.h (muscle_percent_define_insert): Likewise.
1973 (muscle_percent_code_grow): Likewise just for consistency.
1975 2009-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
1977 * data/c++.m4 (b4_namespace_close): Simplify slightly.
1979 2009-05-19 Joel E. Denny <jdenny@ces.clemson.edu>
1981 Handle a trailing `:' in a user-supplied C++ namespace better.
1982 * data/c++.m4 (b4_namespace_close): Don't let it be printed
1983 among the closing braces here. This fix might make the
1984 generated code easier to debug, but otherwise it should be
1985 insignificant because a trailing `:' is a C++ error already.
1987 2009-05-19 Akim Demaille <demaille@gostai.com>
1989 remove useless variable.
1990 * src/getargs.c (skeleton_arg): Remove now useless variable.
1991 Should help the compiler see that this printf-like call is sane.
1993 2009-05-15 Akim Demaille <demaille@gostai.com>
1995 Rename token.prefix as api.tokens.prefix.
1997 http://lists.gnu.org/archive/html/bison-patches/2009-05/msg00024.html.
1999 * NEWS, data/bison.m4, data/c.m4, data/java.m4, doc/bison.texinfo,
2000 * tests/c++.at, tests/calc.at, tests/java.at, tests/local.at
2001 (token.prefix): Rename as...
2002 (api.tokens.prefix): this.
2004 2009-05-11 Akim Demaille <demaille@gostai.com>
2006 doc: use C++ headers.
2007 * doc/bison.texinfo (Calc++ Scanner): Prefer C++ headers to C
2010 2009-05-11 Akim Demaille <demaille@gostai.com>
2013 * doc/bison.simple (Decl Summary): Document token.prefix.
2014 (Calc++ Parser): Various fixes.
2017 Introduce a macro TOKEN to shorten the code and make it more
2019 (Calc++ Scanner): Adjust.
2020 * NEWS (Variable token.prefix): New.
2022 2009-05-04 Akim Demaille <demaille@gostai.com>
2024 bison: catch bad symbol names.
2025 * src/scan-gram.l({int}{id}): Report as an invalid identifier.
2026 * tests/input.at: Adjust.
2028 2009-05-04 Akim Demaille <demaille@gostai.com>
2030 identifiers: dashes are letters.
2031 Dashes can now start identifiers (symbols and directives).
2033 * src/scan-gram.l ({letter}): Add dash.
2035 * tests/input.at (Symbols): Adjust.
2036 Remove stray comment.
2037 * tests/regression.at (Invalid inputs): Adjust error message.
2038 * doc/bison.texinfo (Symbols): Update.
2040 2009-05-01 Joel E. Denny <jdenny@ces.clemson.edu>
2042 Declare %code to be a permanent feature.
2043 * NEWS (2.4.2): Here.
2044 * doc/bison.texinfo (Prologue Alternatives): Don't say it's
2046 (Decl Summary): Likewise.
2048 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2050 Convert underscores to dashes in some %define variable names.
2051 For now, just api.push-pull and lr.keep-unreachable-states.
2052 Maintain old names for backward compatibility.
2053 * NEWS (2.5): Document.
2054 * data/c.m4 (b4_identification): Update comment.
2055 * data/yacc.c: Update access.
2056 * doc/bison.texinfo: Update.
2057 * etc/bench.pl.in (bench_push_parser): Update use.
2058 * src/files.c (tr): Move to...
2059 * src/getargs.c, src/getargs.h (tr): ... here because I can't
2060 think of a better place to expose it. My logic is that, for all
2061 uses of tr so far, command-line arguments can be involved, and
2062 getargs.h is already included.
2063 * src/main.c (main): Update access.
2064 * src/muscle_tab.c (muscle_percent_define_insert): Convert old
2065 variable names to new variable names before assigning value.
2066 * src/reader.c (reader): Update setting default.
2067 * tests/calc.at: Update uses.
2068 * tests/conflicts.at (Unreachable States After Conflict
2069 Resolution): Update use.
2070 * tests/input.at (%define enum variables): Update use.
2071 (%define backward compatibility): New test group.
2072 * tests/push.at: Update uses.
2073 * tests/reduce.at: Update uses.
2074 * tests/torture.at: Update uses.
2076 2009-04-30 Joel E. Denny <jdenny@ces.clemson.edu>
2078 Set all front-end %define defaults in one place.
2079 * src/main.c (main): Move lr.keep_unreachable_states default...
2080 * src/reader.c (reader): ... to here.
2082 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2084 Rename lr.default_reductions to lr.default-reductions.
2086 * doc/bison.texinfo: Here.
2087 * src/lalr.c (initialize_LA): Here.
2088 * src/print.c (print_reductions): Here.
2089 * src/reader.c (reader): Here.
2090 * src/tables.c (action_row): Here.
2091 * tests/input.at (%define enum variables): Here.
2092 * tests/reduce.at (AT_TEST_LR_DEFAULT_REDUCTIONS): Here.
2094 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2096 Pacify ./configure --enable-gcc-warnings.
2097 * tests/input.at (Symbols): Prototype yyerror and yylex.
2099 2009-04-29 Joel E. Denny <jdenny@ces.clemson.edu>
2101 Document how `%define "var" "value"' is not M4-friendly.
2102 * src/parse-gram.y (variable): In comments here.
2104 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2106 Clean up recent patches a little.
2107 Reported by Akim Demaille.
2108 * doc/bison.texinfo (Understanding): Fix typos.
2109 * src/print.c (print_reductions): Don't use negated variable.
2111 2009-04-24 Joel E. Denny <jdenny@ces.clemson.edu>
2113 List accepted values for a %define enum variable with an invalid value.
2114 Suggested by Akim Demaille at
2115 <http://lists.gnu.org/archive/html/bison-patches/2009-04/msg00082.html>.
2116 * data/bison.m4 (_b4_percent_define_check_values): Implement.
2117 * src/muscle-tab.c (muscle_percent_define_check_values): Implement.
2118 * tests/input.at (%define lr.default_reductions invalid values): Merge
2120 (%define enum variables): ... here, and update output.
2122 2009-04-23 Joel E. Denny <jdenny@ces.clemson.edu>
2124 Rename "default rule" to "default reduction".
2125 This includes changing variable names in code, changing
2126 comments, and renaming %define lr.default_rules to %define
2127 lr.default_reductions.
2128 * NEWS (2.5): Update IELR documentation.
2129 * data/bison.m4 (b4_integral_parser_tables_map): Adjust YYDEFACT
2131 * data/glr.c, data/lalr1.java: Sync copyright dates.
2132 * doc/bison.texinfo (Decl Summary): Adjust lr.default_reductions
2133 and lr.type documentation. Make some other wording
2135 (Glossary): Adjust cross-references and Default Reduction
2137 * src/lalr.c (state_lookahead_tokens_count): Adjust code.
2138 Remove a confusing comment pointed out by Akim Demaille.
2139 (initialize_LA): Adjust code.
2140 * src/print-xml.c (print_reductions): Adjust code.
2141 * src/print.c (print_reductions): Adjust code.
2142 * src/reader.c (reader): Adjust code.
2143 * src/tables.c (action_row): Adjust code.
2144 (token_actions): Adjust code.
2145 * src/tables.h: Adjust YYDEFACT documentation.
2146 * tests/input.at (%define lr.default_rules invalid values):
2147 Rename test group to...
2148 (%define lr.default_reductions invalid values): ... this, and
2149 update grammar file and expected output.
2150 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): Rename to...
2151 (AT_TEST_LR_DEFAULT_REDUCTIONS): ... this, and update.
2153 2009-04-21 Akim Demaille <demaille@gostai.com>
2155 tests: check the use of dashes and periods in symbols.
2156 * tests/input.at (Symbol): New test group.
2158 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2160 Document %define lr.type and lr.default_rules.
2161 * NEWS (2.5): Add an entry.
2162 * src/getargs.c (usage): Mention IELR(1) and canonical LR(1)
2163 besides just LALR(1) and GLR(1).
2164 * doc/bison.texinfo (Introduction): Likewise.
2165 (Language and Grammar): Bison is no longer limited to LALR(1)
2167 (GLR parsing): Say deterministic or LR(1) rather than LALR(1)
2168 when trying to distinguish from GLR. Talk about LR(1) grammars
2169 rather than LALR(1) grammars.
2170 (Decl Summary): In %define api.push_pull entry, say it applies
2171 to deterministic parsers in C rather than LALR(1) parsers in C.
2172 Add lr.default_rules entry.
2174 (Mystery Conflicts): Bison is no longer limited to LALR(1)
2176 (Generalized LR Parsing): Same changes as for the previous GLR
2178 (Memory Management): Say deterministic rather than LALR(1).
2179 (Understanding): Correct some bison output.
2180 Index discussion of "accepting state".
2181 Say deterministic rather than LALR(1).
2182 (Bison Options): In --yacc entry, say deterministic rather than
2184 In --report, --graph, and --xml entries, just don't mention
2186 (C++ Parsers): Say deterministic rather than LALR(1).
2187 (Table of Symbols): Likewise in YYSTACK_USE_ALLOCA entry.
2188 (Glossary): Add Accepting State, Consistent State, Default Rule,
2189 and IELR(1) definitions.
2190 In Generalized LR (GLR) definition, make same changes as in
2191 previous GLR sections.
2192 In LALR(1) definition, say Bison uses LALR(1) by default rather
2193 than implying Bison is limited to LALR(1).
2194 (LocalWords): Add IELR.
2196 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2198 Finish implementing %define lr.type.
2199 Its value can be "LALR", "IELR", or "canonical LR".
2200 * lib/timevar.def (TV_IELR_PHASE1): New var.
2201 (TV_IELR_PHASE2): New var.
2202 (TV_IELR_PHASE3): New var.
2203 (TV_IELR_PHASE4): New var.
2204 * src/Makefile.am (bison_SOURCES): Add AnnotationList.c,
2205 AnnotationList.h, InadequacyList.c, InadequacyList.h, Sbitset.c,
2206 Sbitset.h, ielr.h, and ielr.c.
2207 * src/getargs.h, src/getargs.c (enum trace, trace_args,
2208 trace_types): Add trace_ielr.
2209 * src/lalr.h, src/lalr.c (ngotos): Export it.
2211 (goto_follows): ... this, update all uses, and export it.
2212 (set_goto_map): Export it.
2213 (map_goto): Export it.
2214 (compute_lookahead_tokens): Don't free goto_follows yet. Now
2216 (initialize_LA): Export it. Move lookback allocation to...
2217 (lalr): ... here because, for canonical LR, initialize_LA must
2218 be invoked but lookback and much of the rest of LALR isn't
2220 * main.c (main): Instead of lalr, invoke ielr, which invokes
2222 * src/reader.c (reader): Default lr.type to "LALR".
2223 Default lr.default_rules to "accepting" if lr.type is "canonical
2224 LR". Leave the default as "all" otherwise.
2225 Check for a valid lr.type value.
2226 * src/state.h, src/state.c (struct state_list): Add state_list
2228 (state_new): Initialize state_list member to NULL.
2229 (state_new_isocore): New function, exported.
2230 * tests/existing.at (AT_TEST_EXISTING_GRAMMAR): New macro that
2231 exercises all values of lr.type.
2232 (GNU AWK Grammar): Rename test group to...
2233 (GNU AWK 3.1.0 Grammar): ... this, and extend to use
2234 AT_TEST_EXISTING_GRAMMAR.
2235 (GNU Cim Grammar): Extend to use AT_TEST_EXISTING_GRAMMAR.
2236 (GNU pic Grammar): Rename test group to...
2237 (GNU pic (Groff 1.18.1) Grammar): ... this, and extend to use
2238 AT_TEST_EXISTING_GRAMMAR.
2239 * tests/reduce.at (AT_TEST_LR_TYPE): New macro that exercises
2240 all values of lr.type.
2241 (Single State Split): New test groups using AT_TEST_LR_TYPE.
2242 (Lane Split): Likewise.
2243 (Complex Lane Split): Likewise.
2244 (Split During Added Lookahead Propagation): Likewise.
2246 2009-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2248 Add new files for IELR and canonical LR implementation.
2249 * src/AnnotationList.c: New.
2250 * src/AnnotationList.h: New.
2251 * src/InadequacyList.c: New.
2252 * src/InadequacyList.h: New.
2253 * src/Sbitset.c: New.
2254 * src/Sbitset.h: New.
2258 2009-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2260 Implement %define lr.default_rules.
2261 Its value describes the states that are permitted to contain
2262 default rules: "all", "consistent", or "accepting".
2263 * src/reader.c (reader): Default lr.default_rules to "all".
2264 Check for a valid lr.default_rules value.
2265 * src/lalr.c (state_lookahead_tokens_count): If lr.default_rules
2266 is "accepting", then only mark the accepting state as
2268 (initialize_LA): Tell state_lookahead_tokens_count whether
2269 lr.default_rules is "accepting".
2270 * src/tables.c (action_row): If lr.default_rules is not "all",
2271 then disable default rules in inconsistent states.
2272 * src/print.c (print_reductions): Use this opportunity to
2273 perform some assertions about whether lr.default_rules was
2275 * tests/local.at (AT_TEST_TABLES_AND_PARSE): New macro that
2276 helps with checking the parser tables for a grammar.
2277 * tests/input.at (%define lr.default_rules invalid values): New
2279 * tests/reduce.at (AT_TEST_LR_DEFAULT_RULES): New macro using
2280 AT_TEST_TABLES_AND_PARSE.
2281 (`no %define lr.default_rules'): New test group generated by
2282 AT_TEST_LR_DEFAULT_RULES.
2283 (`%define lr.default_rules "all"'): Likewise.
2284 (`%define lr.default_rules "consistent"'): Likewise.
2285 (`%define lr.default_rules "accepting"'): Likewise.
2287 2009-04-20 Akim Demaille <demaille@gostai.com>
2291 2009-04-20 Akim Demaille <demaille@gostai.com>
2294 * src/output.c (token_definitions_output): Use symbol_id_get
2295 instead of duplicating its logic.
2296 * TODO (YYERRCODE): Extend.
2298 2009-04-20 Akim Demaille <demaille@gostai.com>
2300 variables: prefer error-verbose to error_verbose.
2301 * data/bison.m4 (b4_error_verbose_if): Based on error-verbose
2302 instead of error_verbose.
2303 * src/scan-gram.l (%error-verbose): Map to the error-verbose
2305 * doc/bison.texinfo: Promote %define error-verbose instead of
2307 * tests/actions.at: Prefer %define error-verbose to %error-verbose.
2309 2009-04-15 Akim Demaille <demaille@gostai.com>
2311 variables: accept dashes.
2312 * data/bison.m4 (b4_percent_define_if_define_): Also map dashes to
2314 * src/scan-gram.l ({id}): Also accept dashes after the initial
2316 ({directive}): Use {id}.
2317 * src/parse-gram.y: Comment and formatting changes.
2318 * doc/bison.texinfo (Symbols): Adjust the lexical definitions of
2320 * src/complain.h, src/complain.c (yacc_at): New.
2321 * src/symtab.c (symbol_new): Use yacc_at to report inappropriate
2323 * src/output.c (token_definitions_output): Do not #define token
2326 2009-04-20 Akim Demaille <demaille@gostai.com>
2328 Consistently refer to Yacc, not YACC.
2329 * src/getargs.c (usage, warnings_args): s/YACC/Yacc/.
2331 2009-04-17 Joel E. Denny <jdenny@ces.clemson.edu>
2333 Pacify make maintainer-check-posix.
2334 * tests/input.at (%define, --define): Move bison command-line
2335 options before grammar file name.
2337 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2339 Document semicolon warnings.
2342 2009-04-14 Akim Demaille <demaille@gostai.com>
2344 variables: use `parse.assert' instead of `assert'.
2345 * TODO (assert): Remove.
2346 * data/bison.m4 (b4_assert_if): Replace with...
2347 (b4_parse_assert_if): this.
2348 * data/lalr1.cc, data/variant.hh, tests/c++.at: Adjust.
2349 * doc/bison.texinfo (Decl Summary): Document parse.assert.
2351 2009-04-14 Akim Demaille <demaille@gostai.com>
2353 variables: use `parse.trace' instead of `debug'.
2354 * src/getargs.c (getargs): Map -t to %define trace.parse.
2355 * src/scan-gram.l (%debug): Map to %define trace.parse.
2356 * data/bison.m4 (b4_percent_define_if_define): Map `.' in variable
2357 names to `_' in macro names.
2358 (b4_debug_if): Replace with...
2359 (b4_parse_trace_if): this.
2360 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
2361 * data/yacc.c: Adjust.
2362 * doc/bison.texinfo (Decl Summary): Document %debug as obsoleted.
2363 Use @code to label the variable list.
2364 Document the variable parse.trace.
2365 (Tracing): Promote the parse.trace variable.
2366 * TODO: %printer is not documented.
2368 2009-04-14 Akim Demaille <demaille@gostai.com>
2371 * doc/bison.texinfo (Decl Summary): Fix entry about %debug.
2372 (Table of Symbols): Remove duplicate entry for %debug.
2374 2009-04-10 Eric Blake <ebb9@byu.net>
2376 submodules: update to latest
2377 * submodules/autoconf: Use latest upstream Autoconf.
2379 2009-04-06 Eric Blake <ebb9@byu.net>
2381 Work around autoconf 2.63b bug in testsuite.
2382 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Avoid tripping
2383 autoconf bug related to # in test.
2385 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2387 * NEWS (2.5): New section. Describe new -D/--define feature.
2389 2009-04-06 Akim Demaille <demaille@gostai.com>
2392 * src/parse-gram.h, src/parse-gram.c: Regen.
2394 2009-04-06 Akim Demaille <demaille@gostai.com>
2396 rename muscle_tab.* as muscle-tab.* for consistency.
2397 * src/muscle_tab.h, src/muscle_tab.c: Rename as...
2398 * src/muscle-tab.h, src/muscle-tab.c: these.
2399 * src/getargs.c, src/local.mk, src/main.c, src/output.c,
2400 * src/parse-gram.y, src/reader.c, src/scan-code.l: Adjust.
2402 2009-04-06 Akim Demaille <demaille@gostai.com>
2404 Makefile: introduce $(BISON).
2405 * src/local.mk (BISON): New.
2408 2009-04-06 Akim Demaille <demaille@gostai.com>
2410 parser: handle %locations as %define locations.
2411 * src/getargs.h, src/getargs.c (locations_flag): Remove.
2412 * src/getargs.c, src/scan-code.l: Use muscle_percent_define_ensure
2413 to set "locations" to true.
2414 * src/output.c (prepare): Don't output "locations".
2415 * src/scan-gram.l (%locations): Handle it as a %<flag>.
2416 * src/parse-gram.y: It's no longer a token.
2418 * data/bison.m4 (b4_locations_if): Define it with
2419 b4_percent_define_if_define.
2420 * data/c.m4, data/glr.cc: Adjust.
2422 2009-04-06 Akim Demaille <demaille@gostai.com>
2425 * src/parse-gram.c: Regen.
2427 2009-04-06 Akim Demaille <demaille@gostai.com>
2429 muscle: factor the handling of obsolete of obsolete directives.
2430 Suggested by Joel E. Denny.
2432 * src/muscle_tab.h, src/muscle_tab.c (muscle_percent_define_ensure):
2433 New, extracted from...
2434 * src/parse-gram.y (prologue_declaration: pure-parser): here.
2436 (prologue_declaration: "%<flag>"): Use
2437 muscle_percent_define_ensure.
2438 (%error-verbose, %pure-parser): No longer tokens.
2439 * src/scan-gram.l (pure-parser): Return as a %<flag>.
2441 2009-04-06 Joel E. Denny <jdenny@ces.clemson.edu>
2443 Fix options documentation.
2444 * build-aux/cross-options.pl: As in --help output, write optional
2445 arguments as [=ARG] not =[ARG].
2446 * doc/bison.texinfo (Bison Options): Add -W/--warnings argument.
2448 2009-04-04 Joel E. Denny <jdenny@ces.clemson.edu>
2450 Replace BISON_PROG_GNU_M4 with Autoconf's AC_PROG_GNU_M4.
2451 If the first m4 in $PATH is wrong, it keeps looking. Moreover, its
2452 requirements for a correct m4 are stricter.
2453 * m4/m4.m4: Make it a symbolic link to submodules/autoconf/m4/m4.m4.
2454 * configure.ac: Update to use AC_PROG_GNU_M4.
2455 Reported by Eric Blake.
2457 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
2459 Help with updating web manual.
2460 * HACKING: Incorporate instructions from gnulib/doc/README.
2461 * bootstrap.conf (gnulib_modules): Add gendocs.
2463 2009-04-03 Akim Demaille <demaille@gostai.com>
2466 * src/parse-gram.h, src/parse-gram.c: Regen.
2468 2009-04-03 Akim Demaille <demaille@gostai.com>
2470 Factor %FLAG at scan level.
2471 * src/parse-gram.y (PERCENT_DEBUG, PERCENT_ERROR_VERBOSE): Token
2472 definitions and associated rules, replaced by....
2473 (PERCENT_FLAG): this new token type, and rule.
2474 * src/scan-gram.l (RETURN_PERCENT_FLAG): New.
2475 Use it for %debug and %error-verbose.
2477 2009-04-03 Akim Demaille <demaille@gostai.com>
2480 * src/parse-gram.h, src/parse-gram.c: Regen.
2482 2009-04-03 Akim Demaille <demaille@gostai.com>
2484 Treat %debug as %define debug.
2485 * data/bison.m4 (b4_debug_if): New.
2486 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c,
2487 * data/lalr1.java: Use it instead of b4_debug_flag.
2488 * src/getargs.h, src/getargs.c (debug_flag): Remove.
2489 * src/output.c (prepare): Don't output it.
2490 * src/parse-gram.y: Treat %debug as %define debug.
2492 2009-04-03 Akim Demaille <demaille@gostai.com>
2494 Treat %error-verbose as %define error_verbose.
2495 This allows to pass -Derror_verbose on the command line. Better
2496 yet, it allows to pass -Derror_verbose=$(ERROR_VERBOSE), with
2497 ERROR_VERBOSE being defined as false or true.
2498 * data/bison.m4 (b4_percent_define_if_define): Instead of relying
2499 on b4_percent_define_ifdef, for does not check the defined value,
2500 but only whether the symbol is defined, rely on
2501 b4_percent_define_flag_if, so that a value of "false" is processed
2503 If not defined, define the flag to "false".
2504 (b4_error_verbose_if): New.
2505 * data/glr.c, data/lalr1.cc, data/yacc.c: Use it instead of
2506 b4_error_verbose_flag.
2507 * src/getargs.h, src/getargs.c (error_verbose_flag): Remove.
2508 * src/output.c (prepare): Don't output it.
2509 * src/parse-gram.y (%error-verbose): Treat as %define error_verbose.
2511 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
2513 Fix strange %define locations for default values.
2514 Reported by Akim Demaille at
2515 <http://lists.gnu.org/archive/html/bug-bison/2007-12/msg00001.html>
2516 and discussed again starting at
2517 <http://lists.gnu.org/archive/html/bison-patches/2008-11/msg00102.html>.
2518 * data/bison.m4 (b4_percent_define_default): Leave syncline blank
2519 because location information is bogus.
2520 Use angle brackets to delimit fake file name because square brackets
2521 look like underexpanded m4. Choose a better fake file name.
2522 Use negative line numbers.
2523 * src/muscle_tab.c (muscle_percent_define_default): Likewise.
2524 * src/location.c (location_print): If line for a boundary is negative,
2525 only print that boundary's file name.
2526 * src/location.h: Document that.
2527 * tests/skeletons.at (%define Boolean variables: invalid skeleton
2528 defaults): Update output.
2530 2009-04-03 Joel E. Denny <jdenny@ces.clemson.edu>
2532 Pacify ./configure --enable-gcc-warnings.
2533 * Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS) because many files
2534 in lib won't compile with it.
2535 * src/local.mk (src_bison_CFLAGS): Use $(WERROR_CFLAGS) here only.
2537 2009-03-31 Akim Demaille <demaille@gostai.com>
2539 bootstrap: --help to stdout.
2540 * bootstrap (usage): Don't send --help to stderr.
2541 Use a here doc instead of a long string.
2543 2009-03-31 Akim Demaille <demaille@gostai.com>
2545 bootstrap: README-hacking no longer exists
2546 * bootstrap (checkout_only_file): Set to HACKING.
2548 2009-03-26 Akim Demaille <demaille@gostai.com>
2550 doc: merge HACKING and README-hacking.
2551 Two files is confusing.
2552 Reported by Alexandre Duret-Lutz.
2554 * README-hacking: Merge into...
2555 * HACKING (Working from the repository): here.
2557 2009-03-26 Akim Demaille <demaille@gostai.com>
2559 doc: update README-hacking.
2560 * README-hacking: We now use git and git submodules.
2561 Reported by Ralf Wildenhues and Alexandre Duret-Lutz.
2563 2009-03-26 Akim Demaille <demaille@gostai.com>
2565 lalr1.cc: avoid GCC 4.3 warnings.
2566 GCC 4.3 now warns about "a || b && c" and asks for explicit
2568 Reported by Alexandre Duret-Lutz.
2569 * data/location.cc: Update copyright years.
2570 (Position::operator==): Use parens to make precedence explicit.
2571 Compare lines and columns first, as they are more likely to be
2572 different, and they are faster to compare.
2574 2009-03-26 Akim Demaille <demaille@gostai.com>
2577 * gnulib: Update to latest.
2578 * src/local.mk (AM_CFLAGS): Move to...
2579 * Makefile.am: here.
2580 * etc/prefix-gnulib-mk (prefix_assignment): Also transform
2583 2009-03-02 Akim Demaille <demaille@gostai.com>
2587 2009-03-02 Akim Demaille <demaille@gostai.com>
2589 Share b4_yytranslate_define.
2590 * data/lalr1.cc (b4_yytranslate_define): Move to...
2591 * data/c++.m4: here.
2593 2009-03-02 Akim Demaille <demaille@gostai.com>
2595 Use locations in the variant example.
2596 Yes, this obfuscates the point of this example, variants only.
2597 But glr.cc cannot work (yet?) without locations. This change
2598 makes it easier to use this example with glr.cc.
2600 * examples/variant.yy (assert): %define it.
2601 (locations): Request them.
2602 (yylex): Bind the location to the stage.
2604 2009-03-02 Akim Demaille <demaille@gostai.com>
2606 Dub make_TOKEN as a public type interface.
2607 * data/c++.m4 (b4_symbol_constructor_declare)
2608 (b4_symbol_constructor_define): New empty stubs.
2609 (b4_public_types_declare, b4_public_types_define): Use them.
2610 * data/lalr1.cc (b4_symbol_constructor_declare)
2611 (b4_symbol_constructor_declare_)
2612 (b4_symbol_constructor_define_, b4_symbol_constructor_define):
2614 * data/variant.hh: here.
2615 Remove the "b4_variant_if" parts, as variant.hh is loaded only if
2617 * data/lalr1.cc: No longer invoke b4_symbol_constructor_define and
2618 b4_symbol_constructor_declare, as it is now done by
2619 b4_public_types_define and b4_public_types_declare.
2621 2009-03-02 Akim Demaille <demaille@gostai.com>
2623 Coding style changes.
2624 * data/lalr1.cc (b4_symbol_constructor_declaration_)
2625 (b4_symbol_constructor_declarations)
2626 (b4_symbol_constructor_definition_)
2627 (b4_symbol_constructor_definitions)
2628 (b4_yytranslate_definition): Rename as...
2629 (b4_symbol_constructor_declare_)
2630 (b4_symbol_constructor_declare)
2631 (b4_symbol_constructor_define_)
2632 (b4_symbol_constructor_define)
2633 (b4_yytranslate_define): these.
2634 * data/variant.hh (b4_variant_definition): Rename as...
2635 (b4_variant_define): this.
2637 2009-03-02 Akim Demaille <demaille@gostai.com>
2639 Factor b4_assert_if, b4_lex_symbol_if, and b4_variant_if.
2640 * data/bison.m4 (b4_percent_define_if_define): New.
2641 * data/c++.m4 (b4_variant_if): Move to...
2642 * data/bison.m4: Here, using b4_percent_define_if_define.
2643 * data/lalr1.cc (b4_assert_if, b4_lex_symbol_if): Move to...
2644 * data/bison.m4: Here, using b4_percent_define_if_define.
2646 2009-03-02 Akim Demaille <demaille@gostai.com>
2648 Dub symbol_type_base as a public type.
2649 * data/c++.m4 (b4_public_types_declare): Now define
2650 symbol_type_base and symbol_type.
2651 (b4_public_types_define): New.
2652 In both cases, the definitions are taken verbatim from lalr1.cc.
2653 * data/lalr1.cc: Adjust.
2655 2009-03-02 Akim Demaille <demaille@gostai.com>
2657 b4_public_types_declare.
2658 * data/c++.m4 (b4_public_types_declare): New.
2659 * data/glr.cc, data/lalr1.cc: Use it.
2661 2009-03-02 Akim Demaille <demaille@gostai.com>
2663 b4_semantic_type_declare.
2664 * data/c++.m4 (b4_semantic_type_declare): New.
2665 Factors and generalizes what was in glr.cc and lalr1.cc.
2666 * data/variant.hh (b4_semantic_type_declare): Redefine it for
2668 * data/lalr1.cc, data/glr.cc: Use it.
2670 2009-02-26 Akim Demaille <demaille@gostai.com>
2673 * gnulib: Upgrade from master.
2674 * lib/.cvsignore, lib/.gitignore, m4/.cvsignore, m4/.gitignore:
2677 2009-02-25 Akim Demaille <demaille@gostai.com>
2679 Remove useless arguments.
2680 * data/glr.c (yy_reduce_print): $$ and @$ are not used and not
2683 2009-02-25 Akim Demaille <demaille@gostai.com>
2686 * data/lalr1.cc: here.
2688 2009-02-25 Akim Demaille <demaille@gostai.com>
2690 Fix glr.cc's debug level handling.
2691 * data/glr.cc (yydebug_): Remove, as it is actually yydebug from
2692 glr.c which is used.
2693 (debug_level, set_debug_level): Adjust.
2695 2009-02-25 Akim Demaille <demaille@gostai.com>
2698 * data/glr.c: Add 2007 and 2008 here, consistenly with the comments.
2700 2009-02-25 Akim Demaille <demaille@gostai.com>
2703 * etc/bench.pl.in (generate_grammar_list): Consitently use
2704 location_type, not yy::location.
2706 2009-02-25 Akim Demaille <demaille@gostai.com>
2709 * data/lalr1.cc: here.
2711 2009-02-19 Akim Demaille <demaille@gostai.com>
2713 Make yyparser::error public.
2714 * data/lalr1.cc: here.
2715 There is no good reason to keep it private (and it is convenient
2716 to use it from the scanner for instance). It is already public in
2719 2009-02-19 Akim Demaille <demaille@gostai.com>
2722 * data/glr.cc: here.
2724 2009-02-19 Akim Demaille <demaille@gostai.com>
2726 Remove trailing blanks.
2727 The epilogue has its own ending \n, no need to add another.
2729 * data/glr.c, data/lalr1.java, data/yacc.c: dnl when outputing the
2731 * data/glr.cc: dnl when extending the epilogue.
2732 Remove stray "private:".
2734 2009-02-19 Akim Demaille <demaille@gostai.com>
2737 * data/c.m4 (b4_c_function_decl): Here.
2739 2009-02-19 Akim Demaille <demaille@gostai.com>
2742 * data/lalr1.cc: here.
2744 2009-02-19 Akim Demaille <demaille@gostai.com>
2747 * data/variant.hh: New, extracted from...
2748 * data/lalr1.cc: here.
2750 * data/local.mk: Adjust.
2752 2009-02-19 Akim Demaille <demaille@gostai.com>
2754 Extract stack.hh from lalr1.cc.
2755 * data/stack.hh: New.
2756 * data/lalr1.cc: Extract from here.
2757 * data/local.mk: Adjust.
2759 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
2761 Add reminder about uploading public key to keys.gnupg.net.
2762 * HACKING (Release Procedure): Here.
2764 2009-01-28 Akim Demaille <demaille@gostai.com>
2766 * NEWS: Update information about 2.4.1 and 2.4.2.
2768 2008-11-04 Akim Demaille <demaille@gostai.com>
2771 * NEWS: Use more outline-mode markup.
2772 Suggested by Jim Meyering.
2774 2009-01-08 Akim Demaille <demaille@gostai.com>
2776 Fix grep portability issues.
2777 Grep on Solaris does not support -q.
2778 Reported by Summum Bonum.
2780 * NEWS: Add a stub for 2.4.2.
2781 * THANKS: Add Summum Bonum.
2782 * tests/atlocal.in (EGREP): New.
2783 (CC, CXX, XSLTPROC): Make it possible to override them via
2785 * tests/java.at: Use $EGREP instead of egrep.
2786 Use AT_CHECK's ignore instead of grep's -q.
2788 2008-12-11 Akim Demaille <demaille@gostai.com>
2790 Pass the token type to yysyntax_error.
2791 * data/yacc.c (yysyntax_error): Take the transated token instead
2796 2008-12-11 Akim Demaille <demaille@gostai.com>
2799 * data/glr.c: Formatting changes.
2801 2008-12-11 Akim Demaille <demaille@gostai.com>
2803 Propagate i18n changes into glr.c.
2805 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
2806 building the error message format dynamically.
2807 * data/lalr1.java: Formatting changes.
2809 2008-12-11 Akim Demaille <demaille@gostai.com>
2812 * tests/local.mk: Replace "cd && testsuite" by "testsuite -C".
2813 Solves problems when top_srcdir is an absolute path.
2814 Suggested by Eric Blake.
2815 * configure.ac: Require Autoconf 2.62.
2817 2008-12-11 Akim Demaille <demaille@gostai.com>
2819 Simplify the i18n of the error messages.
2820 * data/lalr1.cc: Comment changes.
2821 * data/yacc.c (yysyntax_error): Rewrite, using a switch as in
2822 lalr1.cc instead of building dynamically the format string.
2824 2008-12-08 Akim Demaille <demaille@gostai.com>
2826 Fix portability issue in the test suite.
2827 * tests/local.at (AT_MATCHES_CHECK): New.
2828 Based on Perl instead of Sed. Sed has too many portability
2829 pitfalls, not ever Sed is GNU Sed.
2830 * tests/actions.at (Fix user actions without a trailing semicolon):
2833 2008-12-08 Akim Demaille <demaille@gostai.com>
2836 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
2838 2008-12-08 Akim Demaille <demaille@gostai.com>
2840 Install autoconf as a submodule to get m4sugar.
2841 * .gitmodules: Add submodules/autoconf.
2842 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
2843 submodules/autoconf.
2845 2008-12-08 Akim Demaille <demaille@gostai.com>
2847 Test token.prefix in all the skeletons.
2848 * data/java.m4 (b4_token_enum): Use the token.prefix.
2849 * tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN_PREFIX.
2850 * tests/calc.at (_AT_DATA_CALC_Y): Use it.
2851 Add checks for yacc.c, glr.c, lalr1.cc and glr.cc.
2852 * tests/java.at: Comment changes.
2853 (AT_CHECK_JAVA_MINIMAL): Define the END token.
2854 (Java parser class and package names): Add token.prefix check.
2856 2008-12-08 Akim Demaille <demaille@gostai.com>
2858 Fix regeneration of atconfig.
2859 * tests/local.mk (tests/atconfig): The rule was incorrect, but
2860 remove it: now that there is no tests/Makefile.am, the top-level
2861 Makefile properly updates atconfig when needed.
2863 2008-12-07 Di-an Jan <dianj@freeshell.org>
2865 Implement the FIXME that ends an user action with a semicolon
2866 if it seems necessary.
2867 * src/scan-code.l (flex rules section): Flag cpp directive from
2868 any `#' to the first unescaped end-of-line. Semicolon is not
2869 needed after `;', `{', '}', or cpp directives and is needed after
2870 any other token (whitespaces and comments have no effect).
2871 * tests/actions.at (Fix user actions without a trailing semicolon):
2873 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
2874 to make user actions complete statements.
2875 Adjust column numbers in error messages.
2876 * tests/regression.at (Fix user actions without a trailing semicolon):
2877 Remove. Covered by new test.
2879 2008-12-07 Akim Demaille <demaille@gostai.com>
2882 * gnulib: Update from master.
2884 2008-12-05 Eric Blake <ebb9@byu.net>
2886 Avoid compiler warning.
2887 * src/output.c (muscle_insert_item_number_table): Delete unused
2890 2008-12-02 Eric Blake <ebb9@byu.net>
2892 Build testsuite with newer autoconf.
2893 * tests/output.at (m4_expand): Don't override in newer autoconf,
2894 where the underlying implementation changed.
2895 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
2896 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
2897 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
2898 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
2899 since some of them contain unbalanced ')'.
2901 2008-12-01 Akim Demaille <demaille@gostai.com>
2903 Use b4_symbol for printers and destructors everywhere.
2904 * data/bison.m4 (b4_symbol_action_location): New.
2905 * data/c.m4 (b4_symbol_actions): Remove.
2906 Adjust all callers to use by b4_symbol_foreach and the corresponding
2907 b4_symbol_printer/destructor macro.
2908 * data/glr.cc: Adjust.
2909 * data/lalr1.java: Adjust the %destructor sanity check.
2910 * src/output.c (symbol_code_props_output): Remove, we no longer
2911 need the b4_symbol_printers/destructors tables.
2913 2008-12-01 Akim Demaille <demaille@gostai.com>
2915 Use b4_symbol_case_.
2916 * data/lalr1.cc, data/bison.m4 (b4_symbol_action): Use
2919 2008-12-01 Akim Demaille <demaille@gostai.com>
2921 Move b4_symbol based macro to bison.m4.
2922 * data/lalr1.cc (b4_symbol_, b4_symbol, b4_symbol_if)
2923 (b4_symbol_action, b4_symbol_destructor, b4_symbol_printer)
2924 (b4_symbol_case_, b4_symbol_foreach, b4_type_action_)
2925 (b4_type_foreach): Move to...
2926 * data/bison.m4: Here.
2927 * data/lalr1.cc (b4_symbol_action): Specialize for C++: use
2928 b4_symbol_value_template instead of b4_symbol_value.
2930 2008-12-01 Akim Demaille <demaille@gostai.com>
2932 b4_symbol/type_foreach.
2933 * data/lalr1.cc (b4_symbol_foreach, b4_type_foreach): New.
2936 2008-12-01 Akim Demaille <demaille@gostai.com>
2938 Use the symbol properties to output the printer/destructor for lalr1.cc.
2939 Instead of defining complex list of tuples to define various
2940 properties of the symbols, we now prefer to define symbols as
2941 "structs" in m4: using the symbol key (its number), and the
2942 property name, b4_symbol gives it value. Use this to handle
2943 destructors and printers.
2945 * src/output.c (CODE_PROP): New.
2946 (prepare_symbol_definitions): Use it to define the printer and
2947 destructor related attributes of the symbols.
2948 * data/lalr1.cc (b4_symbol_actions): Rename as...
2949 (b4_symbol_action): this.
2950 Use b4_symbol instead of 6 arguments.
2951 (b4_symbol_printer, b4_symbol_destructor): New.
2952 Use them instead of b4_symbol_actions.
2954 2008-12-01 Akim Demaille <demaille@gostai.com>
2956 Avoid capturing variables too easily.
2957 * src/muscle_tab.h (MUSCLE_INSERT_BOOL, MUSCLE_OBSTACK_SGROW): Use
2958 v__ and p__ instead of v and p.
2960 2008-12-01 Akim Demaille <demaille@gostai.com>
2962 Remove spurious empty line before syncline.
2963 * data/bison.m4 (b4_syncline): Don't output an empty line before
2966 2008-11-26 Akim Demaille <demaille@gostai.com>
2968 Convert lib/Makefile.am into lib/local.mk.
2969 The real problem is rather gnulib.mk, which itself is extracted
2970 from a Makefile.am that gnulib expects to the "recursive". The
2971 tool prefix-gnulib-mk converts such a gnulib.mk to be
2972 non-recursive. Also, some AC_SUBST variables need to be adjusted.
2974 * etc/prefix-gnulib-mk: New.
2975 * bootstrap (slurp): Use it to convert further gnulib.mk.
2976 No longer try to avoid re-creation of lib/gnulib.mk as the changes
2978 * lib/Makefile.am: Rename as...
2979 * lib/local.mk: this.
2980 Adjust to be prefixed.
2981 * Makefile.am, configure.ac: Adjust.
2982 * src/local.mk (AM_CPPFLAGS): Extend it, don't define it.
2984 2008-11-26 Akim Demaille <demaille@gostai.com>
2987 * tests/local.mk (TESTSUITE_FLAGS, AUTOTEST_FLAGS): Rename as...
2988 (TESTSUITEFLAGS, AUTOTESTFLAGS): these to compy with the GCS.
2989 Reported by Eric Blake.
2991 2008-11-26 Akim Demaille <demaille@gostai.com>
2993 Use b4_parser_tables_define in glr.cc.
2994 * data/glr.c: Use b4_parser_tables_define instead of defining the
2995 (deterministic integral) tables by hand.
2997 2008-11-26 Akim Demaille <demaille@gostai.com>
2999 Use b4_parser_tables_define in Java.
3000 * data/java.m4 (b4_typed_parser_table): Rename as...
3001 (b4_typed_parser_table_define): this, for consistency.
3002 Accept a comment as $4.
3004 (b4_integral_parser_table): Rename as...
3005 (b4_integral_parser_table_define): this.
3006 * data/lalr1.java: Adjust all uses.
3007 Use b4_parser_tables_define instead of generation by hand.
3009 2008-11-26 Akim Demaille <demaille@gostai.com>
3011 Prepare the convergence bw C style and Java table generation.
3012 * data/bison.m4 (b4_tables_map, b4_tables_declare)
3013 (b4_tables_define): Rename as...
3014 (b4_integral_parser_tables_map, b4_parser_tables_declare)
3015 (b4_parser_tables_define): these.
3016 * data/c.m4 (b4_table_define): Rename as...
3017 (b4_integral_parser_table_define): this.
3018 * data/lalr1.cc: Adjust.
3019 (b4_table_define, b4_table_declare): Rename as...
3020 (b4_integral_parser_table_define)
3021 (b4_integral_parser_table_declare): these.
3022 (yyrline_): Move the comment where it is actually used.
3023 * data/yacc.c: Adjust.
3024 (yyrline): Use b4_integral_parser_table_define.
3026 2008-11-26 Akim Demaille <demaille@gostai.com>
3029 * src/parse-gram.h, src/parse-gram.c: Regen.
3031 2008-11-26 Akim Demaille <demaille@gostai.com>
3033 Factor the generation of the (integral) tables bw yacc.c and lalr1.cc.
3034 * data/lalr1.cc (b4_tables_map): Move to...
3035 * data/bison.m4: here.
3036 Update the comment for yytable during the flight.
3037 (b4_tables_declare, b4_tables_define): New.
3038 * data/lalr1.cc: Use them.
3039 * data/c.m4 (b4_table_define): New.
3040 * data/yacc.c: Use b4_tables_define instead of output the tables
3042 * tests/regression.at (Web2c Actions): Adjust the expected output,
3043 the order of the tables changed.
3045 2008-11-26 Akim Demaille <demaille@gostai.com>
3047 Get rid of (yy)rhs and (yy)prhs.
3048 These tables are no longer needed in the parsers, and they don't seem to
3049 be useful. They are not documented either.
3051 * src/output.c (prepare_rules): Get rid of rhs and prhs.
3052 Adjust the computation of (yy)r2.
3054 2008-11-26 Akim Demaille <demaille@gostai.com>
3056 Rule length is unsigned.
3057 * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
3059 2008-11-26 Akim Demaille <demaille@gostai.com>
3061 Get rid of lalr1-split.cc.
3062 It was no longer maintainer.
3064 * data/lalr1-split.cc: Remove.
3065 * etc/bench.pl.in (bench_fusion_parser): Remove.
3068 2008-11-26 Akim Demaille <demaille@gostai.com>
3070 Use yy* consistently.
3071 * data/glr.c: Now that yyrhs no longer exists as a global
3072 variable, rename local "rhs" variables into "yyrhs" for
3075 2008-11-25 Akim Demaille <demaille@gostai.com>
3077 Get rid of yyrhs and yyprhs in glr.c.
3078 * data/glr.c (yyrhs, yyprhs): Remove.
3079 Instead, use the state stack and yystos.
3081 2008-11-25 Akim Demaille <demaille@gostai.com>
3084 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): If glr, declare it
3085 as an Autotest keyword.
3087 2008-11-25 Akim Demaille <demaille@gostai.com>
3089 Prefer TESTSUITE_FLAGS.
3090 TESTSUITEFLAGS is barely readable.
3092 * tests/local.mk (TESTSUITE_FLAGS): Default to $(TESTSUITEFLAGS)
3093 for backward compatibility.
3094 Use the former instead of the latter.
3096 2008-11-25 Akim Demaille <demaille@gostai.com>
3098 Get rid of yyrhs and yyprhs in larl1.java.
3099 * data/lalr1.java (yyrhs_, yyprhs_): Remove.
3100 (yy_reduce_print): Rather, use yystos_ and the state stack.
3102 2008-11-25 Akim Demaille <demaille@gostai.com>
3106 2008-11-25 Akim Demaille <demaille@gostai.com>
3108 Get rid of yyrhs and yyprhs in yacc.c.
3109 They were used to get the symbol types, given a rule number, when
3110 displaying the top of the stack before a reduction. But the
3111 symbol type is available from the state stack. This has two be
3112 benefits: two tables less in the parser (making it smaller), and a
3113 more consistent use of the three stacks which will help to fuse
3116 * data/yacc.c (yyprhs, yyrhs): Remove.
3117 (YY_REDUCE_PRINT): Pass yyssp to yy_reduce_print.
3118 (yy_reduce_print): Take yyssp as argument.
3119 Use it, together with yystos, to get the symbol type.
3120 * tests/regression.at (Web2c Report): Remove these tables from the
3123 2008-11-25 Akim Demaille <demaille@gostai.com>
3126 The point is to factor the generation of the tables across skeletons.
3127 This is language dependant.
3129 * data/c.m4 (b4_comment_): New.
3130 Should be usable to define how to generate tables independently of
3132 (b4_c_comment): New.
3133 (b4_comment): Bounce to b4_c_comment.
3134 Now support $2 = [PREFIX] for indentation.
3135 * data/lalr1.cc (b4_table_declare): Don't output a comment if
3136 there is no comment.
3137 Indent it properly when there is one.
3138 Output the ending semicolon.
3139 (b4_table_define): Space changes.
3140 Output the ending semicolon.
3141 (b4_tables_map): New.
3142 Use it twice instead of declaring and defining the (integral)
3145 2008-11-25 Akim Demaille <demaille@gostai.com>
3148 * data/lalr1.cc (b4_table_declare): New.
3149 Use it to declare the tables defined with b4_table_define.
3150 (b4_table_define): Declare a third arg to match b4_table_declare
3152 Move all the comments around invocations of b4_table_define into
3153 the invocations itselves.
3154 Move things around to have the order for declarations and
3157 2008-11-25 Akim Demaille <demaille@gostai.com>
3160 * data/lalr1.java: here.
3162 2008-11-25 Akim Demaille <demaille@gostai.com>
3164 b4_args is more general than only C++.
3165 * data/lalr1.cc (b4_args, _b4_args): Move to...
3166 * data/bison.m4: here.
3168 2008-11-21 Di-an Jan <dianj@freeshell.org>
3170 Implement no-XXX arguments for --warnings, --report, --trace.
3171 * src/getargs.c (flags_argmatch): Handles no-XXX.
3172 Fix typo in doxygen comment.
3174 2008-11-21 Akim Demaille <demaille@gostai.com>
3176 Display the changes in cross-options.texi.
3177 * build-aux/cross-options.pl ($sep): New, to separate items.
3178 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
3181 2008-11-20 Di-an Jan <dianj@freeshell.org>
3183 Improves options in the manual.
3184 * doc/bison.texinfo (-g, -x): Add space before argument.
3185 (Option Cross Key): Implement FIXME: listing directives also.
3186 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
3187 (Short Option): Special case -d. Put arguments inside @option.
3188 (Bison Directive): Add column, automatically extracted from
3189 src/scan-gram.l (actual name passed as the first argument)
3190 with special case for %define.
3191 * doc/local.mk (doc/cross-options.texi): Pass src/scan-gram.l
3192 to build-aux/cross-options.pl.
3193 * src/getargs.c (usage): Document limitations of cross-options.pl.
3194 * src/scan-gram.l: Likewise.
3196 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
3198 Fix unexpanded macros in GLR defines file.
3199 Reported by Csaba Raduly at
3200 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
3201 * THANKS (Csaba Raduly): Add.
3202 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
3203 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
3204 lexer in a separate module that includes the defines file.
3205 (AT_CHECK_CALC): From AT_FULL_COMPILE, request compilation of lexer
3207 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
3208 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
3209 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
3210 (AT_DATA_SOURCE_PROLOGUE): New.
3211 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
3212 (AT_DATA_SOURCE): New.
3213 (AT_FULL_COMPILE): Extend to support an additional source file.
3215 2008-11-18 Akim Demaille <demaille@gostai.com>
3218 * TODO: More short term issues.
3220 2008-11-18 Akim Demaille <demaille@gostai.com>
3223 * src/parse-gram.h, src/parse-gram.c: Regen.
3225 2008-11-18 Akim Demaille <demaille@gostai.com>
3227 Use b4_subtract where possible.
3228 * data/lalr1.cc (b4_subtract): Move to...
3229 * data/bison.m4: here.
3230 * data/glr.c (b4_rhs_data): Use it.
3231 * data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
3233 2008-11-18 Akim Demaille <demaille@gostai.com>
3235 Remove incorrect mode specification.
3236 * data/glr.cc: Don't pretend it's C code.
3238 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3240 Simplify last patch slightly.
3241 * src/getargs.c (getargs): Here.
3243 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3245 Fix last warning from --enable-gcc-warnings.
3246 * src/getargs.c (getargs): Don't assign const address to non-const
3249 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3251 Don't let maintainer-*-check targets force a version update.
3252 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
3255 2008-11-17 Di-an Jan <dianj@freeshell.org>
3257 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
3258 Align menus. Adjust word wrapping. Use node names for menu names.
3259 (Examples): Don't abbreviate node names.
3260 (LocalWords): Remove abbreviations.
3261 (Copying): Make description a sentence.
3262 (Java Action Features): Remove period to match the rest of menu.
3264 2008-11-17 Di-an Jan <dianj@freeshell.org>
3266 Handles several --enable-gcc-warnings.
3267 * src/getargs.c (command_line_location): Set parameters to void.
3268 * src/output.c (symbol_type_name_cmp): Make static.
3269 (symbols_by_type_name): Set parameters to void.
3270 (symbol_definitions_output): Remove unused parameter. Rename as...
3271 (prepare_symbol_definitions): this.
3272 (muscles_output): Move symbol_definitions_output to...
3273 (output): here as prepare_symbol_definitions.
3274 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
3275 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
3277 2008-11-17 Di-an Jan <dianj@freeshell.org>
3279 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
3280 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
3282 2008-11-16 Akim Demaille <demaille@gostai.com>
3284 Add missing $(EXEEXT).
3285 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
3286 "src/bison$(EXEEXT)".
3287 Reported by Di-an Jan.
3289 2008-11-15 Akim Demaille <demaille@gostai.com>
3293 2008-11-15 Akim Demaille <demaille@gostai.com>
3296 * tests/input.at: here.
3298 2008-11-15 Akim Demaille <demaille@gostai.com>
3300 Remove duplicate header inclusion.
3303 2008-11-15 Akim Demaille <demaille@gostai.com>
3305 * src/parse-gram.h, src/parse-gram.c: Regen.
3307 2008-11-15 Akim Demaille <demaille@gostai.com>
3309 Support parametric types.
3311 There are two issues to handle: first scanning nested angle
3312 bracket pairs to support types such as std::pair< std::string,
3313 std::list<std::string> > >.
3315 Another issue is to address idiosyncracies of C++: do not glue two
3316 closing angle brackets together (otherwise it's operator>>), and
3317 avoid sticking blindly a TYPE to the opening <, as it can result
3318 in '<:' which is a digraph for '['.
3320 * src/scan-gram.l (brace_level): Rename as...
3323 Implement support for complex tags.
3326 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
3327 (b4_symbol_variant): Leave space around types as parameters.
3328 * examples/variant.yy: Use nested template types and leading ::.
3329 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
3331 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
3332 * tests/c++.at: Test parametric types.
3334 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
3337 This is not sufficient, but we test at least that the make_SYMBOL
3338 interface is not affected by token.prefix. A more general test
3339 will be implemented when the support of token.prefix is generalized
3342 * tests/c++.at: One more variant test, using token.prefix.
3344 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
3346 Test the make_TOKEN interface.
3347 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
3348 Factor the common code in yylex.
3349 Use it to test "%define lex_symbol".
3351 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
3355 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
3357 Simplify code for variants bench marks.
3358 * etc/bench.pl.in (&generate_grammar_list): Define and use
3360 Factor the common code in yylex.
3362 2008-11-15 Akim Demaille <demaille@gostai.com>
3364 Better error message.
3365 * bootstrap (find_tool): Fix the error message.
3367 2008-11-15 Akim Demaille <demaille@gostai.com>
3369 Update variant.yy to newest interface.
3370 * examples/variant.yy: Define lex_symbol.
3373 2008-11-15 Akim Demaille <demaille@gostai.com>
3375 Don't use locations in variant.yy.
3376 * examples/variant.yy: Adjust to not using locations.
3378 2008-11-15 Akim Demaille <demaille@gostai.com>
3381 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
3382 comments for the license.
3384 2008-11-15 Akim Demaille <demaille@gostai.com>
3386 Remove tests/Makefile.am.
3387 * tests/Makefile.am: Rename as...
3388 * tests/local.mk: this.
3389 * Makefile.am, configure.ac: Adjust.
3390 * Makefile.am (DISTCLEANFILES): Define.
3391 (maintainer-check, maintainer-xml-check, maintainer-push-check):
3392 Remove, we no longer need to bounce to the real targets.
3394 2008-11-15 Akim Demaille <demaille@gostai.com>
3398 2008-11-15 Akim Demaille <demaille@gostai.com>
3401 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
3402 * djgpp/local.mk: this new file.
3404 2008-11-15 Akim Demaille <demaille@gostai.com>
3406 Remove doc/Makefile.am.
3407 * doc/Makefile.am: Rename as...
3408 * doc/local.mk: this.
3410 * Makefile.am, configure.ac: Adjust.
3411 * Makefile.am (MOSTLYCLEANFILES): New.
3412 * src/local.mk: Adjust.
3414 2008-11-15 Akim Demaille <demaille@gostai.com>
3416 Move sc_tight_scope into maint.mk.
3417 It does not work, and I don't know how it was supposed to work: it
3418 seems to be looking for sources in the build tree. I just moved
3419 it at a better place, fixing it is still required.
3421 * src/local.mk (echo): Remove.
3422 (sc_tight_scope): Move to...
3425 2008-11-15 Akim Demaille <demaille@gostai.com>
3428 * src/parse-gram.h, src/parse-gram.h: Regen.
3430 2008-11-15 Akim Demaille <demaille@gostai.com>
3432 Remove src/Makefile.am.
3433 * src/Makefile.am: Rename as...
3434 * src/local.mk: this.
3435 Prefix all the paths with src/.
3436 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
3437 (AM_CPPFLAGS): Find find in builddir/src.
3438 (YACC): Move the flags into...
3440 * maint.mk (sc_tight_scope): Disable.
3441 It used to bounce to the version in src/Makefile.am which is now
3442 part of this very Makefile.
3443 * Makefile.am, configure.ac: Adjust.
3444 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
3445 include "..." to find files "here": we are no longer in src/, so
3446 qualify the includes with src/.
3447 * doc/Makefile.am (PREPATH): No longer include the top_builddir
3449 (.x.1): Adjust to be able to create src/foo from the top level
3450 Makefile, instead of going bounce to src/Makefile the creation of
3453 2008-11-15 Akim Demaille <demaille@gostai.com>
3455 Remove useless variable.
3456 * doc/Makefile.am (srcsrcdir): Remove.
3458 2008-11-15 Akim Demaille <demaille@gostai.com>
3460 Remove data/Makefile.am.
3461 * data/Makefile.am: Rename as...
3462 * data/local.mk: this.
3464 * Makefile.am, configure.ac: Adjust.
3466 2008-11-15 Akim Demaille <demaille@gostai.com>
3468 Remove etc/Makefile.am.
3469 * etc/Makefile.am: Rename as...
3470 * etc/local.mk: this.
3472 * Makefile.am, configure.ac: Adjust.
3474 2008-11-15 Akim Demaille <demaille@gostai.com>
3476 Remove examples/local.mk.
3477 examples/calc++/Makefile.am might be interesting to keep as is, since
3478 it is an example in itself.
3480 * examples/Makefile.am: Rename as...
3481 * examples/local.mk: this.
3483 * Makefile.am, configure.ac: Adjust.
3485 2008-11-15 Akim Demaille <demaille@gostai.com>
3487 Remove build-aux/Makefile.am.
3488 Recursive Makefiles are really way too slow, let's get rid of some of
3491 * build-aux/Makefile.am: Rename as...
3492 * build-aux/local.mk: this.
3494 * Makefile.am, configure.ac: Adjust.
3496 2008-11-15 Akim Demaille <demaille@gostai.com>
3498 Provide convenience constructors for locations and positions.
3499 * data/location.cc (position::position): Accept file, line and
3500 column as arguments with default values.
3501 Always qualify initial line and column literals as unsigned.
3502 (location::location): Provide convenience constructors.
3504 2008-11-15 Akim Demaille <demaille@gostai.com>
3506 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
3508 Using template buys us nothing, and makes it uselessly complex to
3509 construct a symbol. Besides, it could not be generalized to other
3510 languages, while make_FOO would work in C/Java etc.
3512 * data/lalr1.cc (b4_symbol_): New.
3513 (b4_symbol): Use it.
3514 (b4_symbol_constructor_declaration_)
3515 (b4_symbol_constructor_definition_): Instead of generating
3516 specializations of an overloaded template function, just generate
3517 several functions whose names are forged from the token names
3518 without the token.prefix.
3519 (b4_symbol_constructor_declarations): Generate them for all the
3520 symbols, not just by class of symbol type, now that instead of
3521 specializing a function template by the token, we generate a
3522 function named after the token.
3523 (b4_symbol_constructor_specialization_)
3524 (b4_symbol_constructor_specializations): Remove.
3525 * etc/bench.pl.in: Adjust to this new API.
3527 2008-11-13 Akim Demaille <demaille@gostai.com>
3529 %define token.prefix.
3530 Provide a means to add a prefix to the name of the tokens as
3531 output in the generated files. Because of name clashes, it is
3532 good to have such a prefix such as TOK_ that protects from names
3533 such as EOF, FILE etc. But it clutters the grammar itself.
3535 * data/bison.m4 (token.prefix): Empty by default.
3536 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
3537 * data/lalr1.cc (b4_symbol): Ditto.
3539 2008-11-13 Akim Demaille <demaille@gostai.com>
3541 Compute at M4 time some of the subtractions.
3542 * data/lalr1.cc (b4_subtract): New.
3543 (b4_rhs_data): Use it.
3545 2008-11-13 Akim Demaille <demaille@gostai.com>
3548 This allows the user to get the type of a token returned by yylex.
3550 * data/lalr1.cc (symbol::token): New.
3551 (yytoknum_): Define when %define lex_symbol, independently of
3553 (yytoken_number_): Move into...
3554 (symbol::token): here, since that's the only use.
3555 The other one is YYPRINT which was not officially supported
3556 by lalr1.cc, and anyway it did not work since YYPRINT uses this
3557 array under a different name (yytoknum).
3559 2008-11-13 Akim Demaille <demaille@gostai.com>
3562 * TODO (YYERRCODE): Mention the case of $undef.
3564 2008-11-13 Akim Demaille <demaille@gostai.com>
3567 * TODO (YYPRINT): New.
3569 2008-11-13 Akim Demaille <demaille@gostai.com>
3572 * data/lalr1.cc, data/yacc.c: Fix the description of the
3573 yytranslate and yytoknum tables.
3575 2008-11-13 Akim Demaille <demaille@gostai.com>
3577 Define make_symbol in the header.
3578 To reach good performances these functions should be inlined (yet
3579 this is to measure precisely). To this end they must be available
3582 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
3583 location_type with the class name.
3584 Since will now be output in the header, declare "inline".
3585 No longer use b4_symbol_constructor_specializations, but
3586 b4_symbol_constructor_definitions in the header.
3587 Don't call it in the *.cc file.
3589 2008-11-13 Akim Demaille <demaille@gostai.com>
3591 Define yytranslate in the header for lex_symbol.
3592 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
3593 into the header file when using %define lex_symbol.
3594 (yytranslate_): Declare inline.
3596 2008-11-13 Akim Demaille <demaille@gostai.com>
3598 Define the constructors of symbol_type in
3599 b4_symbol_constructor_definitions.
3600 The constructors are called by the make_symbol functions, which a
3601 forthcoming patch will move elsewhere. Hence the interest of
3602 putting them together.
3604 The stack_symbol_type does not need to be moved, it is used only
3607 * data/lalr1.cc: Move symbol_type and symbol_base_type
3608 constructors into...
3609 (b4_symbol_constructor_definitions): here.
3612 2008-11-13 Akim Demaille <demaille@gostai.com>
3614 Make it easier to move the definition of yytranslate_.
3615 Forthcoming changes will make it possible to use yytranslate_
3616 from outside the parser implementation file.
3618 * data/lalr1.cc (b4_yytranslate_definition): New.
3621 2008-11-13 Akim Demaille <demaille@gostai.com>
3623 Remove useless class specification.
3624 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
3625 to refer to the class name to use a type defined by the class for
3626 arguments of member functions.
3628 2008-11-13 Akim Demaille <demaille@gostai.com>
3630 Finer input type for yytranslate.
3631 This patch is debatable: the tradition expects yylex to return an int
3632 which happens to correspond to token_number (which is an enum). This
3633 allows for instance to return characters (such as '*' etc.). But this
3634 goes against the stronger typing I am trying to have with the new
3635 lex interface which return a symbol_type. So in this case, feed
3636 yytranslate_ with a token_type.
3638 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
3639 expect a token_type.
3641 2008-11-13 Akim Demaille <demaille@gostai.com>
3643 Honor lex-params in %define lex_symbol mode.
3644 * data/lalr1.cc: Use b4_lex_param.
3646 2008-11-13 Akim Demaille <demaille@gostai.com>
3649 * src/output.c (symbol_definitions_output): Rename symbol
3650 attributes type_name and has_type_name as type and has_type.
3651 * data/lalr1.cc: Adjust uses.
3653 2008-11-13 Akim Demaille <demaille@gostai.com>
3655 Use b4_type_names for the union type.
3656 The union used to compute the size of the variant used to iterate
3657 over the type of all the symbols, with a lot of redundancy. Now
3658 iterate over the lists of symbols having the same type-name.
3660 * data/lalr1.cc (b4_char_sizeof_): New.
3661 (b4_char_sizeof): Use it.
3662 Adjust to be called with a list of numbers instead of a single
3664 Adjust its caller for new-line issues.
3666 2008-11-13 Akim Demaille <demaille@gostai.com>
3668 Define the "identifier" of a symbol.
3669 Symbols may have several string representations, for instance if
3670 they have an alias. What I call its "id" is a string that can be
3671 used as an identifier. May not exist.
3673 Currently the symbols which have the "tag_is_id" flag set are
3674 those that don't have an alias. Look harder for the id.
3676 * src/output.c (is_identifier): Move to...
3677 * src/symtab.c (is_identifier): here.
3678 * src/symtab.h, src/symtab.c (symbol_id_get): New.
3679 * src/output.c (symbol_definitions_output): Use it to define "id"
3681 Remove the definition of "tag_is_id".
3682 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
3683 "tag_is_id" were used to produce code.
3684 We still use "tag" for documentation.
3686 2008-11-11 Akim Demaille <demaille@gostai.com>
3688 Locations are no longer required by lalr1.cc.
3689 * data/lalr1.cc (_b4_args, b4_args): New.
3690 Adjust all uses of locations to make them optional.
3691 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
3692 (AT_CHECK_NAMESPACE): Check the use of locations.
3693 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
3694 without locations with lalr1.cc.
3696 * tests/output.at: Check lalr1.cc with and without location
3698 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
3699 Don't use locations.
3701 2008-11-11 Akim Demaille <demaille@gostai.com>
3704 * tests/local.at (AT_FULL_COMPILE): New.
3705 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
3707 2008-11-11 Akim Demaille <demaille@gostai.com>
3709 Support parens in calc++.
3710 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
3711 * examples/calc++/test (run): Check the expected output.
3715 2008-11-11 Akim Demaille <demaille@gostai.com>
3717 Simplify lalr1.cc since %defines is mandatory.
3718 * data/lalr1.cc: Remove useless calls to b4_defines_if.
3720 2008-11-11 Akim Demaille <demaille@gostai.com>
3723 * TODO (yysyntax_error): New item.
3725 2008-11-11 Akim Demaille <demaille@gostai.com>
3728 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
3731 2008-11-11 Akim Demaille <demaille@gostai.com>
3733 Support i18n of the parse error messages.
3734 * TODO (lalr1.cc/I18n): Remove.
3735 * data/lalr1.cc (yysyntax_error_): Support the translation of the
3736 error messages, as done in yacc.c.
3737 Stay within the yy* pseudo namespace.
3739 2008-11-11 Akim Demaille <demaille@gostai.com>
3742 * TODO (single stack, yysyntax_error): New.
3744 2008-11-11 Akim Demaille <demaille@gostai.com>
3746 Make it possible to return a symbol_type from yylex.
3747 * data/lalr1.cc (b4_lex_symbol_if): New.
3748 (parse): When lex_symbol is defined, expected yylex to return the
3750 * etc/bench.pl.in (generate_grammar_list): Extend to support this
3752 (bench_variant_parser): Exercise it.
3754 2008-11-11 Akim Demaille <demaille@gostai.com>
3756 Remove useless bench case.
3757 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
3760 2008-11-11 Akim Demaille <demaille@gostai.com>
3762 Improve display of directives.
3763 * etc/bench.pl.in (parse_term): Don't add useless eol.
3765 2008-11-11 Akim Demaille <demaille@gostai.com>
3767 Use string_cast in the bench.
3768 * etc/bench.pl.in (generate_grammar_list): Define and use
3771 2008-11-11 Akim Demaille <demaille@gostai.com>
3773 Replace yychar with a Boolean.
3774 * data/lalr1.cc (parse::yychar): Replace by...
3775 (parse::yyempty): this.
3777 2008-11-11 Akim Demaille <demaille@gostai.com>
3782 2008-11-11 Akim Demaille <demaille@gostai.com>
3784 Let yytranslate handle the eof case.
3785 * data/lalr1.cc (yytranslate_): Handle the EOF case.
3787 No longer expect yychar to be equal to yyeof_, rather, test the
3788 lookahead's (translated) kind.
3790 2008-11-11 Akim Demaille <demaille@gostai.com>
3792 yychar cannot be empty in yyerrlab.
3793 * TODO (yychar == yyempty_): New.
3794 * data/lalr1.cc: Remove the handling of this case.
3795 This eases forthcoming changes related to yychar and yytranslate.
3797 2008-11-11 Akim Demaille <demaille@gostai.com>
3799 Bench: syntactic sugar for %define/#define.
3800 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
3801 (&bench_push_parser, bench_variant_parser): Use this feature.
3805 2008-11-11 Akim Demaille <demaille@gostai.com>
3807 Less memory pressure on the "list" bench.
3808 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
3809 the values, to limit memory pressure.
3811 2008-11-11 Akim Demaille <demaille@gostai.com>
3813 Introduce make_symbol.
3814 make_symbol provides a means to construct a full symbol (kind,
3815 value, location) in a single shot. It is meant to be a Symbol
3816 constructor, parameterized by the symbol kind so that overloading
3817 would prevent incorrect kind/value pairs. Unfortunately
3818 parameterized constructors do not work well in C++ (unless the
3819 parameter also appears as an argument, which is not acceptable),
3820 hence the use of a function instead of a constructor.
3822 * data/lalr1.cc (b4_symbol_constructor_declaration_)
3823 (b4_symbol_constructor_declarations)
3824 (b4_symbol_constructor_specialization_)
3825 (b4_symbol_constructor_specializations)
3826 (b4_symbol_constructor_definition_)
3827 (b4_symbol_constructor_definitions): New.
3828 Use them where appropriate to generate declaration, declaration of
3829 the specializations, and implementations of the templated
3830 overloaded function "make_symbol".
3831 (variant::variant): Always define a default ctor.
3832 Also provide a copy ctor.
3833 (symbol_base_type, symbol_type): New ctor overloads for value-less
3835 (symbol_type): Now public, so that functions such as yylex can use
3838 2008-11-11 Akim Demaille <demaille@gostai.com>
3840 Inform m4 whether a tag is a valid id.
3841 * src/output.c (is_identifier): New.
3842 (symbol_definitions_output): Use it to define tag_is_id.
3843 But maybe this should be done at m4 level?
3845 2008-11-11 Akim Demaille <demaille@gostai.com>
3847 Test 214 was failing: it greps with a pattern containing [ ]*
3848 which obviously meant to catch spaces and tabs, but contained only
3849 spaces. Tabulations in sources are a nuisance, so to simplify the
3850 matter, get rid of all the tabulations in the Java sources. The
3851 other skeletons will be treated equally later.
3853 * data/java.m4, data/lalr1.java: Untabify.
3854 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
3855 tabulations are no longer generated.
3857 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
3859 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
3860 * configure.ac: Adjust usage.
3861 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
3862 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
3863 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
3865 2008-11-10 Di-an Jan <dianj@freeshell.org>
3867 Workaround Java's ``code too large'' problem for parser tables
3868 in most cases, by using one function per initialization.
3869 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
3870 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
3871 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
3872 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
3873 (yytname_): Use b4_typed_parser_table.
3874 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
3875 ``code too large'' error.
3877 2008-11-10 Di-an Jan <dianj@freeshell.org>
3879 * NEWS: Document them.
3881 General Java skeleton improvements.
3882 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
3883 using gcj < 4.3 in the testsuite, according to comments in
3884 gnulib/m4/javacomp.m4.
3885 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
3886 location_type, position_type): Remove extraneous brackets from
3887 b4_percent_define_default.
3888 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
3889 m4_define and m4_define_default.
3890 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
3891 which marks the end of user code with appropriate syncline, like all
3892 the other skeletons.
3893 (b4_user_post_prologue): Add. Don't silently drop.
3895 (parse): Inline yylex.
3896 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
3897 (%{...%}): Fix typo of %code imports.
3898 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
3900 Support annotations on parser class with %define annotations.
3901 * data/lalr1.java (annotations): Add to parser class modifier.
3902 * doc/bison.texinfo (Java Parser Interface): Document
3903 %define annotations.
3904 (Java Declarations Summary): Document %define annotations.
3905 * tests/java.at (Java parser class modifiers): Test annotations.
3907 Do not generate code for %error-verbose unless requested.
3908 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
3909 Make private. Make conditional on %error-verbose.
3910 (getErrorVerbose, setErrorVerbose): New.
3911 (yytnamerr_): Make conditional on %error-verbose.
3912 (yysyntax_error): Make some code conditional on %error-verbose.
3913 * doc/bison.texinfo (Java Bison Interface): Remove the parts
3914 about %error-verbose having no effect.
3915 (getErrorVerbose, setErrorVerbose): Document.
3917 Move constants for token names to Lexer interface.
3918 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
3919 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
3920 (parse): Qualify EOF to Lexer.EOF.
3921 * doc/bison.texinfo (Java Parser Interface): Move documentation of
3922 EOF and token names to Java Lexer Interface.
3923 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
3925 Make yyerror public.
3926 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
3927 (yyerror): Change to public. Add Javadoc comments. Use longer
3928 parameter names. Make the body rather than the declarator
3929 conditional on %locations.
3930 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
3932 Allow user to add code to the constructor with %code init.
3933 * data/java.m4 (b4_init_throws): New, for %define init_throws.
3934 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
3935 Add %code init to the front of the constructor body.
3936 * doc/bison.texinfo (YYParser.YYParser): Document %code init
3937 and %define init_throws.
3938 (Java Declarations Summary): Document %code init and
3939 %define init_throws.
3940 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
3941 (Java constructor init and init_throws): Add tests.
3943 2008-11-10 Akim Demaille <demaille@gostai.com>
3946 * TODO (-D): is implemented.
3947 (associativity): Same precedence must have the same associativity.
3948 For instance, how can a * b / c be parsed if * is %left and / is
3950 (YYERRORCODE, YYFAIL, YYBACKUP): New.
3952 2008-11-10 Akim Demaille <demaille@gostai.com>
3956 2008-11-10 Akim Demaille <demaille@gostai.com>
3958 More information about the symbols.
3959 * src/output.c (type_names_output): Document all the symbols,
3960 including those that don't have a type-name.
3961 (symbol_definitions_output): Define "is_token" and
3963 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
3964 type-name, now that they are defined too in b4_type_names.
3966 2008-11-10 Akim Demaille <demaille@gostai.com>
3970 2008-11-10 Akim Demaille <demaille@gostai.com>
3972 Make parser::yytranslate static.
3973 Small speedup (1%) on the list grammar. And makes yytranslate_
3974 available in non member functions.
3976 * data/lalr1.cc (yytranslate_): Does not need to be a instance
3979 2008-11-10 Akim Demaille <demaille@gostai.com>
3981 Avoid trailing spaces.
3982 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
3983 * data/lalr1.cc: Don't indent before rule and symbol actions, as
3984 they can be empty, and anyway this incorrectly indents the first
3987 2008-11-10 Akim Demaille <demaille@gostai.com>
3991 2008-11-10 Akim Demaille <demaille@gostai.com>
3993 Use "enum" for integral constants.
3994 This is just nicer to read, I observed no speedup.
3996 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
3997 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
3998 (yyuser_token_number_max_, yyundef_token_): Move into...
3999 (yytranslate_): here.
4001 2008-11-10 Akim Demaille <demaille@gostai.com>
4003 Shortcuts in bench directives.
4004 * etc/bench.pl.in (parse_dirs): New.
4006 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
4007 Create the benches in "benches/".
4009 2008-11-10 Akim Demaille <demaille@gostai.com>
4012 * data/lalr1.cc: here.
4014 2008-11-10 Akim Demaille <demaille@gostai.com>
4016 Adjust verbose message to using emacs.
4017 * etc/bench.pl.in: Inform compilation-mode when we change the
4019 (generate_grammar_list): Recognize %define "variant" in addition
4022 2008-11-10 Akim Demaille <demaille@gostai.com>
4024 Classify symbols by type-name.
4025 * src/uniqstr.h (UNIQSTR_CMP): New.
4026 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
4027 (type_names_output): New.
4028 (muscles_output): Use it.
4029 * data/lalr1.cc (b4_symbol_action_): Remove.
4030 (b4_symbol_case_, b4_type_action_): New.
4031 Adjust uses of b4_symbol_action_ to use b4_type_action_.
4033 2008-11-10 Akim Demaille <demaille@gostai.com>
4035 Change the handling of the symbols in the skeletons.
4036 Before we were using tables which lines were the symbols and which
4037 columns were things like number, tag, type-name etc. It is was
4038 difficult to extend: each time a column was added, all the numbers had
4039 to be updated (you asked for colon $2, not for "tag"). Also, it was
4040 hard to filter these tables when only a subset of the symbols (say the
4041 tokens, or the nterms, or the tokens that have and external number
4042 *and* a type-name) was of interest.
4044 Now instead of monolithic tables, we define one macro per cell. For
4045 instance "b4_symbol(0, tag)" is a macro name which contents is
4046 self-decriptive. The macro "b4_symbol" provides easier access to
4049 * src/output.c (type_names_output): Remove.
4050 (symbol_numbers_output, symbol_definitions_output): New.
4051 (muscles_output): Call them.
4052 (prepare_symbols): Define b4_symbols_number.
4054 2008-11-10 Akim Demaille <demaille@gostai.com>
4057 * src/getargs.h, src/getargs.c (trace_muscle): New.
4058 (trace_types, trace_args): Support it.
4059 * src/output.c (output_skeleton): Use it.
4061 2008-11-10 Akim Demaille <demaille@gostai.com>
4064 * src/output.c (muscles_output): New, extracted from...
4065 (output_skeleton): here.
4068 2008-11-10 Akim Demaille <demaille@gostai.com>
4072 2008-11-10 Akim Demaille <demaille@gostai.com>
4074 Update the variant example.
4075 * examples/variant.yy: Formatting changes.
4078 2008-11-10 Akim Demaille <demaille@gostai.com>
4080 Support constructor with an argument.
4081 This improves the "list" bench by 2%.
4083 * data/lalr1.cc (variant::build): Add an overloaded version with
4085 * tests/c++.at (AT_CHECK_VARIANT): Check it.
4087 2008-11-10 Akim Demaille <demaille@gostai.com>
4090 * tests/c++.at (AT_CHECK_VARIANTS): New.
4091 Use it with and without %define assert.
4093 2008-11-10 Akim Demaille <demaille@gostai.com>
4095 Add %precedence support.
4096 Unfortunately it is not possible to reuse the %prec directive. This
4097 is because to please POSIX, we do not require to end the rules with a
4098 semicolon. As a result,
4102 is ambiguous: either a rule which precedence is that of baz, or a rule,
4103 and then a declaration of the precedence of the token baz.
4105 * doc/bison.texinfo: Document %precedence.
4106 (Precedence Only): New.
4107 * src/assoc.h, src/assoc.c (precedence_assoc): New.
4108 * src/conflicts.c (resolve_sr_conflict): Support it.
4109 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
4111 * tests/calc.at: Use %precedence for NEG.
4112 * tests/conflicts.at (%precedence does not suffice)
4113 (%precedence suffices): New tests.
4115 2008-11-09 Akim Demaille <demaille@gostai.com>
4117 Make benches in a sub dirs.
4118 * etc/bench.pl.in ($dir): New.
4120 Check the use of constructors with an argument.
4121 (bench_variant_parser): Fix.
4123 2008-11-09 Akim Demaille <demaille@gostai.com>
4127 2008-11-09 Akim Demaille <demaille@gostai.com>
4131 2008-11-09 Akim Demaille <demaille@gostai.com>
4133 Require the generation of parse-gram.output.
4134 * src/Makefile.am (YACC): Pass --report=all.
4136 2008-11-09 Akim Demaille <demaille@gostai.com>
4140 2008-11-09 Akim Demaille <demaille@gostai.com>
4143 * TODO: Remove obsolete items.
4146 2008-11-09 Akim Demaille <demaille@gostai.com>
4149 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
4150 (@token, $grammar, $bench): New.
4151 (generate_grammar_variant): Rename as...
4152 (generate_grammar_list): this.
4153 (generate_grammar): Adjust.
4154 (bench_grammar): Rename as...
4156 Use it in the various bench-marking routines.
4157 (-b, -g): New options.
4159 2008-11-09 Akim Demaille <demaille@gostai.com>
4161 Use a static hierarchy for symbols in the C++ parser.
4162 * data/lalr1.cc (symbol_base_type, symbol_type)
4163 (stack_symbol_type): Make it a static hierarchy.
4164 Adjust dependencies.
4166 2008-11-09 Akim Demaille <demaille@gostai.com>
4168 bench.pl -d, --directive.
4169 * etc/bench.pl.in (@directive): New.
4170 (&bench_grammar): Use it.
4171 (&bench_list_grammar): New, to provide access to the "variant"
4174 (getopts): Support -d, --directive.
4176 2008-11-09 Akim Demaille <demaille@gostai.com>
4178 Use inline for small operations.
4179 * data/lalr1.cc (symbol_base_type, symbol_type)
4180 (stack_symbol_type): Declare constructor and other operations as
4182 (yy_destroy_): Inline.
4184 2008-11-09 Akim Demaille <demaille@gostai.com>
4186 Introduce a hierarchy for symbols.
4187 * data/lalr1.cc (symbol_base_type, symbol_type): New.
4188 (data_type): Rename as...
4189 (stack_symbol_type): this.
4190 Derive from symbol_base_type.
4191 (yy_symbol_value_print_): Merge into...
4192 (yy_symbol_print_): this.
4195 (yydestruct_): Rename as...
4196 (yy_destroy_): this.
4197 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
4198 (parser::parse): yyla is now of symbol_type.
4199 Use its type member instead of yytoken.
4201 2008-11-09 Akim Demaille <demaille@gostai.com>
4203 Rename data_type and stack_symbol_type.
4204 * data/lalr1.cc (data_type): Rename as...
4205 (stack_symbol_type): this.
4207 2008-11-09 Akim Demaille <demaille@gostai.com>
4209 Handle semantic value and location together.
4210 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
4211 yydata.value and yydata.location.
4212 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
4213 (YY_SYMBOL_PRINT): Now take semantic value and location as a
4216 (yydestruct_): New overload for a stack symbol.
4218 2008-11-09 Akim Demaille <demaille@gostai.com>
4220 Push a complete symbol, not connected parts.
4221 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
4222 state, value and location.
4225 2008-11-09 Akim Demaille <demaille@gostai.com>
4227 Agregate yylval and yylloc.
4228 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
4229 (parser::yyla): this.
4231 2008-11-09 Akim Demaille <demaille@gostai.com>
4233 Rely on the state stack to display reduction traces.
4234 To display rhs symbols before a reduction, we used information
4235 about the rule reduced, which required the tables yyrhs and
4236 yyprhs. Now use rely only on the state stack to get the same
4239 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
4241 (parser::yyrhs_, parser::yyprhs_): Remove.
4242 (parser::yy_reduce_print_): Use the state stack.
4244 2008-11-09 Akim Demaille <demaille@gostai.com>
4246 Fuse yyval and yyloc into yylhs.
4247 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
4249 (parse): Replace yyval and yyloc with yylhs.value and
4251 After a user action, compute yylhs.state earlier.
4252 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
4255 2008-11-09 Di-an Jan <dianj@freeshell.org>
4257 Remove unused variable.
4258 * src/output.c (type_names_output): Remove unused variable sep.
4260 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
4262 Change tests/output.at quoting.
4263 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
4264 expanding arguments.
4266 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
4268 Don't add a semicolon to actions for %skeleton or %language.
4269 It breaks Java test cases as reported by Akim Demaille.
4270 * src/scan-code.l: Implement.
4272 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
4274 Clean up %skeleton and %language priority implementation.
4275 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
4276 remove static qualifier because others will soon need to see it.
4277 (language_prio): Likewise.
4278 (getargs): Use command_line_prio rather than 0.
4279 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
4281 (skeleton_prio): Extern it.
4282 (language_prio): Extern it.
4283 * src/parse-gram.y: Use grammar_prio rather than 1.
4285 2008-11-07 Akim Demaille <demaille@gostai.com>
4287 Moving push traces into yypush_.
4288 * data/lalr1.cc (yypush_): Now takes a optional trace message.
4291 2008-11-07 Akim Demaille <demaille@gostai.com>
4293 The single-stack C++ parser is now the standard one.
4294 * data/lalr1.cc: Rename as...
4295 * data/lalr1-split.cc: this.
4296 * data/lalr1-fusion.cc: Rename as...
4297 * data/lalr1.cc: this.
4298 * etc/bench.pl.in: Adjust.
4300 2008-11-07 Akim Demaille <demaille@gostai.com>
4302 Avoid empty-if warnings.
4303 Reported by Quentin Hocquet.
4305 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
4306 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
4308 2008-11-07 Akim Demaille <demaille@gostai.com>
4310 Pass command line location to skeleton_arg and language_argmatch.
4311 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
4312 The location argument is now mandatory.
4313 Adjust all dependencies.
4314 (getargs): Use command_line_location.
4316 2008-11-07 Akim Demaille <demaille@gostai.com>
4319 * src/getargs.c (usage): Document -D.
4320 Fix help string for --locations.
4321 (command_line_location): New.
4322 (short_options, long_options, getargs): Support -D, --define.
4323 (getargs): Move -d support at the right place.
4324 * doc/bison.texinfo (Bison Options): Update.
4325 * tests/input.at (%define, --define): New.
4327 2008-11-07 Akim Demaille <demaille@gostai.com>
4329 Initialize the muscle table before parsing the command line.
4330 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
4331 (getargs): Define file_name.
4332 * src/main.c (main): Initialize muscle_tab before calling
4334 * src/muscle_tab.c (muscle_init): No longer define file_name, as
4335 its value is not available yet.
4337 2008-11-07 Akim Demaille <demaille@gostai.com>
4339 Locations without columns for command line arguments.
4340 * src/location.c (location_print): Don't display negative columns.
4341 * src/location.h: Document this.
4343 2008-11-07 Akim Demaille <demaille@gostai.com>
4346 * src/getargs.c (usage): Fix help string for -W.
4348 2008-11-07 Akim Demaille <demaille@gostai.com>
4350 Handle more general types of option arguments.
4351 * build-aux/cross-options.pl: The argument ends at the first
4352 space, not the first non-symbol character.
4353 Use @var for each word appearing the argument description.
4355 2008-11-07 Akim Demaille <demaille@gostai.com>
4357 Destroy the variants that remain on the stack in case of error.
4358 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
4360 Display the value only if yymsg is nonnull.
4361 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
4363 2008-11-07 Akim Demaille <demaille@gostai.com>
4365 Add "%define assert" to variants.
4366 This is used to help the user catch cases where some value gets
4367 ovewritten by a new one. This should not happen, as this will
4370 Unfortunately this uncovered a bug in the C++ parser itself: the
4371 lookahead value was not destroyed between two calls to yylex. For
4372 instance if the previous lookahead was a std::string, and then an int,
4373 then the value of the std::string was correctly taken (i.e., the
4374 lookahead was now an empty string), but std::string structure itself
4377 This is now done in variant::build(other&) (which is used to take the
4378 value of the lookahead): other is not only stolen from its value, it
4379 is also destroyed. This incurs a new performance penalty of a few
4380 percent, and union becomes faster again.
4382 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
4383 (b4_variant_if): New.
4384 (variant::built): New.
4385 Use it whereever the status of the variant changes.
4386 * etc/bench.pl.in: Check the penalty of %define assert.
4388 2008-11-07 Akim Demaille <demaille@gostai.com>
4390 Use "%define variant" in bench.pl.
4391 * etc/bench.pl.in: No longer use the pseudo directive %variants,
4392 just use %define variants.
4394 2008-11-07 Akim Demaille <demaille@gostai.com>
4397 * src/parse-gram.h, src/parse-gram.c: Regen.
4399 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
4401 Fix user actions without a trailing semicolon.
4402 Reported by Sergei Steshenko at
4403 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
4404 * THANKS (Sergei Steshenko): Add.
4405 * src/scan-code.l (SC_RULE_ACTION): Fix it.
4406 * tests/regression.at (Fix user actions without a trailing semicolon):
4409 2008-11-04 Akim Demaille <demaille@gostai.com>
4411 Use b4_copyright_years.
4412 * data/yacc.c (b4_copyright_years): New.
4413 Fix its value according to the comments in the file.
4414 Use it and undefine it.
4416 2008-11-04 Akim Demaille <demaille@gostai.com>
4419 * data/lalr1-fusion.cc, src/parse-gram.y: here.
4421 2008-11-04 Akim Demaille <demaille@gostai.com>
4424 * data/lalr1-fusion.cc: here.
4426 2008-11-04 Akim Demaille <demaille@gostai.com>
4428 Use strict on bench.pl.
4429 * etc/bench.pl.in (&run, &generate_grammar): New.
4430 Rename the grammar generating functions for consistency.
4431 Change the interface so that the list of benches to run is passed
4432 as (optionless) arguments.
4433 (&compile): Use &run.
4435 2008-11-04 Akim Demaille <demaille@gostai.com>
4437 Remove spurious initial empty lines.
4438 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
4439 * data/yacc.c: End the @output lines with an @.
4441 2008-11-04 Akim Demaille <demaille@gostai.com>
4443 Improve the display of sizes.
4444 * etc/bench.p.in: Higher precision.
4445 Sort by decreasing size.
4447 2008-11-04 Akim Demaille <demaille@gostai.com>
4449 Don't memcpy C++ structures.
4450 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
4452 (variant::build): New overload for
4453 copy-construction-that-destroys.
4454 (variant::swap): New.
4455 (parser::yypush_): Use it in variant mode.
4457 2008-11-04 Akim Demaille <demaille@gostai.com>
4459 Better defaults for bench.pl.
4460 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
4462 Adjust &verbose uses.
4465 2008-11-04 Akim Demaille <demaille@gostai.com>
4467 Make variant.yy more complex.
4468 std::list cannot be copied via memcpy, they are more demanding than
4469 std::string. Use one std::list to strengthen the test.
4471 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
4473 Create a list of strings, instead of a single large string.
4475 2008-11-04 Akim Demaille <demaille@gostai.com>
4478 * etc/bench.pl.in (--bench, $bench): New.
4480 2008-11-04 Akim Demaille <demaille@gostai.com>
4483 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
4484 Define it after as().
4486 2008-11-04 Akim Demaille <demaille@gostai.com>
4489 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
4491 2008-11-04 Akim Demaille <demaille@gostai.com>
4493 Issue missing synclines after user actions.
4494 * data/c.m4 (b4_case): Issue synclines on the output file.
4496 2008-11-04 Akim Demaille <demaille@gostai.com>
4498 Remove trailing empty line.
4499 * data/lalr1-fusion.cc: Don't add an empty line after the user's
4502 2008-11-04 Akim Demaille <demaille@gostai.com>
4504 Fix output of copyright years.
4505 * data/bison.m4 (b4_copyright): Fix the indentation of the
4506 copyright year paragraph.
4507 Use b4_copyright_years when no years are given.
4508 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
4509 (b4_copyright_years): New.
4512 2008-11-04 Akim Demaille <demaille@gostai.com>
4514 Avoid the spurious initial empty line.
4515 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
4516 the end of @output request to suppress the empty line that
4519 2008-11-04 Akim Demaille <demaille@gostai.com>
4521 Remove parser::rhs_number_type.
4522 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
4523 (yyrhs_): Use b4_table_define.
4525 2008-11-04 Akim Demaille <demaille@gostai.com>
4528 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
4530 2008-11-04 Akim Demaille <demaille@gostai.com>
4532 Factor the declaration of the integer tables.
4533 * data/lalr1-fusion.cc (b4_table_define): New.
4536 2008-11-03 Akim Demaille <demaille@gostai.com>
4538 Fix indentation of tables in lalr1.cc
4539 * data/lalr1-fusion.cc: Fix the indentation.
4541 2008-11-03 Akim Demaille <demaille@gostai.com>
4543 Destroy the lhs symbols after reduction.
4544 * data/lalr1-fusion.cc (parse): After the user action, when in
4545 variant mode, destroy the lhs symbols.
4547 2008-11-03 Akim Demaille <demaille@gostai.com>
4549 Simplify yysyntax_error_ use.
4550 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
4551 type, but make it unnamed in the declaration when it is not used.
4553 2008-11-03 Akim Demaille <demaille@gostai.com>
4555 Let yy::variant::build return an lvalue.
4556 * data/lalr1-fusion.cc (variant::build): Return a reference to the
4559 2008-11-03 Akim Demaille <demaille@gostai.com>
4561 Define yy::variant only when needed.
4562 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
4565 2008-11-03 Akim Demaille <demaille@gostai.com>
4567 Bench the three-stack lalr1.cc.
4568 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
4571 2008-11-03 Akim Demaille <demaille@gostai.com>
4573 Fail on parse error in calc++.
4574 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
4576 * examples/calc++/test ($me, $number, $exit, run): New.
4577 Use them to propagate errors to the exit status.
4579 2008-11-03 Akim Demaille <demaille@gostai.com>
4581 Don't specify the skeleton twice in the example.
4582 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
4583 file does what is needed.
4585 2008-11-03 Akim Demaille <demaille@gostai.com>
4587 bench: Improve output.
4588 * etc/bench.pl.in (bench_grammar): Tune the printf format.
4590 2008-11-03 Akim Demaille <demaille@gostai.com>
4592 bench: check impact of %debug on variants.
4593 * etc/bench.pl.in (variant_grammar): Fix the computation of
4595 Generate a grammar file that can work with or without %debug.
4596 Do use the @directive.
4597 (bench_variant_parser): Check impact of %debug.
4598 (@directives): Rename all the occurrences to...
4599 (@directive): this, for consistency.
4601 2008-11-03 Akim Demaille <demaille@gostai.com>
4603 bench: report the size too.
4604 * etc/bench.pl.in ($iterations): Defaults to -3.
4605 (&bench_grammar): Require hireswallclock.
4606 Compute and display the size of the result.
4609 2008-11-03 Akim Demaille <demaille@gostai.com>
4611 bench: More use of the verbosity level.
4612 * etc/bench.pl.in ($verbose, &verbose): New.
4614 More POD documentation.
4616 2008-11-03 Akim Demaille <demaille@gostai.com>
4618 bench.pl: a command line interface
4619 * etc/bench.pl.in: More doc.
4620 Some fixes in the documentation.
4621 ($cflags, $iterations, &help, &getopt): New.
4623 (&variant_grammar): Let the number of stages be 10 times what is
4626 2008-11-03 Akim Demaille <demaille@gostai.com>
4628 Bench the use of Boost.Variants.
4629 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
4631 (&compile): Be ready to compile C++ parsers.
4632 (&bench_push_parser): Move debug information to the outermost
4634 * THANKS: Add Michiel De Wilde.
4636 2008-11-03 Akim Demaille <demaille@gostai.com>
4638 bench.pl: Pass directives as a list instead of as a string.
4639 * etc/bench.pl.in (&directives): New.
4640 (&triangular_grammar, &calc_grammar): Use it to format the Bison
4642 (&triangular_grammar): Do use the directives (were ignored).
4643 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
4646 2008-11-03 Akim Demaille <demaille@gostai.com>
4648 Improve genericity of bench.pl.
4649 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
4651 (&bench_push_parser): New.
4654 2008-11-03 Akim Demaille <demaille@gostai.com>
4656 Add documentation to bench.pl.
4657 * etc/bench.pl.in: Comment changes.
4659 2008-11-03 Akim Demaille <demaille@gostai.com>
4661 Fuse the three stacks into a single one.
4663 In order to make it easy to perform benchmarks to ensure that
4664 there are no performance loss, lalr1.cc is forked into
4665 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
4668 Meanwhile, to make sure that lalr1-fusion.cc is correctly
4669 exercized by the test suite, the user must install a symbolic link
4670 from lalr1.cc to it.
4672 Instead of having three stacks (state, value, location), use a
4673 stack of triples. This considerably simplifies the code (and it
4674 will be easier not to require locations as currently does the C++
4675 parser), and also gives a 10% speedup according to
4676 etc/bench (probably mainly since memory allocation is done once
4677 instead of three times).
4679 Another motivation is to make it easier to destruct properly
4680 semantic values: now that they are bound to their state (hence
4681 symbol type) it will be easier to call the appropriate destructor.
4683 These changes should probably benefit the C parser too.
4685 * data/lalr1.cc: Copy as...
4686 * data/lalr1-fusion.cc: this new file.
4687 (b4_rhs_value, b4_rhs_location): New definitions overriding those
4689 (state_stack_type, semantic_stack_type, location_stack_type)
4690 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
4691 (data_type, stack_type, yystack_): New.
4692 (YYLLOC_DEFAULT, yypush_): Adjust.
4693 (yyerror_range): Now based on data_type, not location_type.
4695 2008-11-03 Akim Demaille <demaille@gostai.com>
4697 Push the state, value, and location at the same time.
4698 This is needed to prepare a forthcoming patch that fuses the three
4701 * data/lalr1.cc (parser::yypush_): New.
4702 (parser::yynewstate): Change the semantics: instead of arriving to
4703 this label when value and location have been pushed, but yystate
4704 is to be pushed on the state stack, now the three of them must
4705 have been pushed before. yystate still must be the new state.
4706 This allows to use yypush_ everywhere instead of individual
4707 handling of the stacks.
4709 2008-11-03 Akim Demaille <demaille@gostai.com>
4711 Prefer references to pointers.
4712 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
4713 definition to use references instead of pointers.
4714 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
4715 Take the value and location as references.
4718 2008-11-03 Akim Demaille <demaille@gostai.com>
4720 stack::size instead of stack::height.
4721 * data/lalr1.cc (stack::height): Rename as...
4722 (stack::size): this.
4723 Fix the output type.
4726 2008-11-03 Akim Demaille <demaille@gostai.com>
4728 Use variants to support objects as semantic values.
4729 This patch was inspired by work by Michiel De Wilde. But he used
4730 Boost variants which (i) requires Boost on the user side, (ii) is
4731 slow, and (iii) has useless overhead (the parser knows the type of
4732 the semantic value there is no reason to duplicate this
4733 information as Boost.Variants do).
4735 This implementation reserves a buffer large enough to store the
4736 largest objects. yy::variant implements this buffer. It was
4737 implemented with Quentin Hocquet.
4739 * src/output.c (type_names_output): New.
4740 (output_skeleton): Invoke it.
4741 * data/c++.m4 (b4_variant_if): New.
4742 (b4_symbol_value): If needed, provide a definition for variants.
4743 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
4744 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
4745 (b4_char_sizeof, yy::variant): New.
4746 (parser::parse): If variants are requested, define
4747 parser::union_type, parser::variant, change the definition of
4748 semantic_type, construct $$ before running the user action instead
4749 of performing a default $$ = $1.
4750 * examples/variant.yy: New.
4751 Based on an example by Michiel De Wilde.
4753 2008-11-03 Akim Demaille <demaille@gostai.com>
4755 Parameterize the extraction of semantic values.
4756 To make future changes easier, no longer rely on ".TYPE" being the
4757 way to get a semantic value.
4759 * data/c.m4 (b4_symbol_value): New.
4761 * data/c++.m4, data/yacc.c: Use it.
4762 * data/glr.c: Use b4_symbol_value.
4766 2008-11-03 Akim Demaille <demaille@gostai.com>
4768 Prepare easier M4 changes.
4769 * data/lalr1.cc: Use escaped [] instead of literals to prepare
4772 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
4774 Initiate further development.
4775 * NEWS: Create an empty section for new entries.
4776 * gnulib: Update submodule to HEAD.
4778 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
4780 * NEWS: Version 2.4.
4782 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
4784 Prepare for next release.
4785 * NEWS: Briefly mention changes since 2.3b.
4786 * README: Say GNU m4 1.4.6, which we've been requiring in release
4787 announcements already, not 1.4.3, which breaks the build.
4789 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
4791 Say %language is experimental.
4792 We're thinking of extending it's effect on output file naming. See the
4794 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
4795 * NEWS: Say it's experimental.
4796 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
4797 recommend it over %skeleton for now.
4798 (Bison Options): Likewise.
4799 (C++ Bison Interface): Use %skeleton not %language.
4800 (Calc++ Parser): Use %skeleton not %language.
4801 * src/getargs.c (usage): Say it's experimental.
4803 2008-11-01 Di-an Jan <dianj@freeshell.org>
4804 Paolo Bonzini <bonzini@gnu.org>
4806 Support all Java parser class modifiers.
4807 * data/java.m4 (b4_percent_define_get3): New.
4808 (b4_final_if, b4_strictfp_if): New.
4809 * data/lalr1.java (final, strictfp, extends, implements): Support.
4810 * doc/bison.texinfo (final, strictfp, extends, implements): Add
4812 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
4813 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
4814 (AT_CHECK_JAVA_GREP): New.
4815 (Java parser class modifiers): New test.
4816 (Java parser class extends and implements): New test.
4818 Model exception propagation better with throws and lex_throws.
4819 * data/java.m4 (b4_list2): New.
4820 (throws): Change default.
4821 * data/lalr1.java (yyaction): Add throws.
4822 (parse): Add lex_throws in addition to throws.
4823 * doc/bison.texinfo (throws, lex_throws): Add documentation.
4824 * tests/java.at (Java throws specifications): New test.
4826 Improve documentation for Java parsers.
4827 * doc/bison.texinfo (Java Parsers): Add subsections.
4828 Don't quote first argument of %define.
4829 (Java Bison Interface): Document output files. Move documentation
4830 of parser class and merge into Java Parser Interface. Document
4831 features that error out. Document directives with no effect.
4832 Move note about Javadoc higher.
4833 (Java Semantic Values): Explicitly mention stype.
4834 Document that generic types cannot be used.
4835 (Java Location Values): Use @deftypeivar. Document constructors.
4836 Correct return value for toString.
4837 (Java Parser Interface): List undocumented constants/fields.
4838 Move documentation of fields added by %parse-param closer to list
4839 of members. Document that token names are added as fields.
4840 Document constructors accurately. Remove error method.
4841 (Java Scanner Interface): Move note on %pure-parser to Java Bison
4842 Interface. Describe %code lexer and yylex accutately.
4843 Remove documentation that does not match the code.
4844 (Java Action Features): New.
4845 (Java Differences): Add reference. Add item on semantic values.
4846 Add note about @{ ... @}. Clarify %% epilogue placement.
4847 (Java Declarations Summary): New.
4850 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
4851 (b4_remove_comma): Quote test argument.
4852 (b4_identification): Remove "bison" field.
4853 * tests/java.at (Java parser class and package names): New test.
4854 (Java %parse-param and %lex-param): New test.
4855 (Java stype, position_class and location_class): New test.
4857 2008-10-31 Di-an Jan <dianj@freeshell.org>
4859 * data/lalr1.jave: Update copyright years.
4860 (YYParser): Correct name of "generated from" file in Javadoc:
4861 use b4_file_name instead of @ofile@.
4862 (Location constructor): Correct Javadoc parameter name.
4863 (yylloc): Add missing opening m4 quote after b4_location_if.
4864 This removes a stray [ in the Javadoc of Lexer.getStartPos.
4865 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
4866 (YYParser constructor): Correct Javadoc parameter name.
4868 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
4870 Always put auxiliary code files in the same dir as other output files.
4871 * src/files.c (compute_file_name_parts): When the user specifies
4872 --output but not --file-prefix, extract the directory prefix from the
4873 file prefix not from the grammar file name. This affects the location
4874 of files like location.hh generated by the C++ skeleton. The includes
4875 in the other output files require this fix.
4876 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
4877 for expected output files.
4878 (Output files): Add a test for the above.
4880 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
4882 * gnulib: Update submodule to HEAD.
4884 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
4886 Update copyright year.
4887 * src/files.c: Here.
4889 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
4891 Don't overwrite the input file.
4892 * src/files.c (output_file_name_check): Fatal error if using input file
4894 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
4896 (Conflicting output files): Add test.
4898 2008-10-28 Akim Demaille <demaille@gostai.com>
4901 * data/lalr1.cc: Formatting changes.
4903 2008-10-28 Akim Demaille <demaille@gostai.com>
4905 Don't define debugging functions when !YYDEBUG.
4906 * data/lalr1.cc (debug_stream, set_debug_stream)
4907 (debug_level_type, debug_level, set_debug_level): Don't
4908 declare them when YYDEBUG is not defined.
4909 The implementation are already YYDEBUG-aware.
4911 2008-10-28 Akim Demaille <demaille@gostai.com>
4913 Prefer "continue" for empty loop bodies.
4914 * etc/bench.pl.in: Use "continue" instead of {}.
4916 2008-10-28 Akim Demaille <demaille@gostai.com>
4918 Space and comments changes.
4919 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
4920 * data/c.m4, data/lalr1.cc: Space changes.
4922 2008-10-28 Akim Demaille <demaille@gostai.com>
4924 Make gnulib a submodule.
4926 * .gitmodules (gnulib): New.
4928 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
4930 Fix yyerror_range for user-defined location type in C++. Reported by
4932 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
4933 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
4934 * THANKS (Georg Sauthoff): Add.
4936 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
4938 Update several administrative files mainly to facilitate releasing.
4939 * HACKING (Administrivia): Make the git-merge-changelog notes more
4941 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
4942 (Release Procedure): Update for git and add numerous details that were
4944 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
4945 * maint.mk (announcement): Don't list bison as a bootstrap tool so
4946 that announcements don't claim we bootstrapped with whatever bison
4947 happened to be in PATH. Add flex as a bootstrap tool.
4948 * Makefile.maint: Remove, previously replaced by maint.mk.
4949 * Makefile.cfg: Remove, and migrate settings to...
4950 * cfg.mk: ... here for the sake of `make announcement'.
4951 * bootstrap.conf (gnulib_modules): Add announce-gen.
4952 * README: Say GNU Bison instead of just Bison. Suggested by Karl
4955 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
4957 Small but important bugfixes for the Java skeleton.
4958 * data/lalr1.java (yyerror): Change Location to b4_location_type.
4959 (yy_symbol_print): Call toString on yyvaluep.
4961 2008-08-29 Akim Demaille <demaille@gostai.com>
4963 Clarify UPDATED use.
4964 * doc/bison.texinfo: It refers to the last edition of this file,
4965 not to the release date of Bison.
4966 Reported by Joel E. Denny.
4968 2008-08-29 Akim Demaille <demaille@gostai.com>
4970 * README: Update FAQ pointer.
4971 Reported by Joel E. Denny.
4973 2008-08-27 Eric Blake <ebb9@byu.net>
4975 Resync m4sugar from autoconf.
4976 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
4977 (m4_init): Adjust to latest m4.git changes.
4978 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
4980 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
4981 (_m4_list_cmp): Reduce side effects.
4983 2008-08-27 Akim Demaille <demaille@gostai.com>
4985 Check yyerrok in calc.at.
4986 * tests/calc.at (calc.y): Use yyerrok on "( error )".
4987 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
4990 2008-08-27 Akim Demaille <demaille@gostai.com>
4992 Support yyerrok in lalr1.cc.
4993 YYBACKUP is still to import back into lalr1.cc.
4994 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
4996 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
4998 For maintainer-check*, don't recompile for a $(VERSION) update.
5000 (_is-dist-target): Override the one in GNUmakefile.
5001 * Makefile.am (EXTRA_DIST): Add cfg.mk.
5003 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
5005 Update for recent change to gnulib.
5006 * src/parse-gram.y: Don't include strverscmp.h. It comes from
5009 2008-08-15 Eric Blake <ebb9@byu.net>
5011 Remaining m4sugar merge from autoconf.
5012 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
5013 * data/m4sugar/foreach.m4: New file, copied from autoconf.
5014 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
5015 * src/output.c (output_skeleton): Tell m4 how to find it.
5017 Partial m4sugar merge from autoconf: m4_map.
5018 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
5019 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
5020 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
5021 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
5023 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
5025 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
5028 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
5030 Keep .version and PACKAGE_VERSION in sync.
5031 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
5032 dependency, and add comments justifying this in more detail. Discussed
5034 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
5036 2008-08-06 Eric Blake <ebb9@byu.net>
5038 Partial m4sugar merge from autoconf: m4_shiftn.
5039 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
5040 (m4_shift2, m4_shift3): New macros.
5041 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
5042 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
5043 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
5044 * data/java.m4 (b4_remove_comma): Likewise.
5046 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
5047 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
5048 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
5049 (m4_init): Consolidate wrapped text into single m4_wrap.
5050 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
5053 2008-08-05 Eric Blake <ebb9@byu.net>
5055 Partial m4sugar merge from autoconf: builtins, version.m4.
5056 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
5057 (m4_prepend): Remove, as it is unused and inherently quadratic,
5058 whereas m4_append is linear in newer m4.
5059 (m4_mkstemp): New builtin.
5060 (m4_symbols): Make rename conditional.
5061 (m4_version_prereq): Ensure fatal error if used in bison, which
5062 intentionally lacks version.m4.
5064 Fix comments in m4sugar.
5065 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
5067 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
5069 Update for recent .gitignore fix in Gnulib.
5070 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
5071 anchored .gitignore entries.
5073 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
5075 Set gnu or gnits strictness.
5076 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
5077 development and gnits strictness for releases. Based on Eric Blake's
5079 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
5081 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
5083 * NEWS: Clarify documentation of %language.
5085 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
5087 Support usage of git-merge-changelog.
5088 * .gitattributes: New.
5089 * HACKING: Document usage of git-merge-changelog.
5090 * bootstrap: Install git-merge-changelog entries in .git/config
5093 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
5095 Remove remaining dependence on CVS Id keyword.
5096 * ChangeLog: For the sake of people still using CVS, don't use dollars
5098 * data/xslt/bison.xsl: Remove Id from header comments, where it was
5100 * data/xslt/xml2dot.xsl: Likewise.
5101 * data/xslt/xml2text.xsl: Likewise.
5102 * data/xslt/xml2xhtml.xsl: Likewise.
5103 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
5104 * doc/Makefile.am (neutralize): Remove, no longer needed.
5105 (.x.1): Don't use neutralize.
5106 (edit): Don't substitute for ID.
5107 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
5109 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
5111 Fix dependence on computed configure variables.
5112 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
5113 $(top_srcdir)/configure.ac so that changes to computed variables, such
5114 as PACKAGE_VERSION, are seen.
5115 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
5117 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
5119 Update copyright dates for recent changes.
5120 * Makefile.am: Here.
5121 * src/Makefile.am: Here.
5122 * src/reduce.c: Here.
5123 * tests/reduce.at: Here.
5125 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
5127 Use git-version-gen for version names between releases.
5128 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
5129 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
5130 * .prev-version: New.
5131 * .version.in: Remove.
5132 * ChangeLog: Remove the Id previously used for capturing the CVS
5134 * GNUmakefile: Remove, now copied from Gnulib.
5135 * Makefile.am: Add code suggested by comments in
5136 build-aux/git-version-gen.
5137 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
5138 .prev-version, and .version.
5139 * NEWS (2.3b+): Rename to...
5140 (?.?): ... this because we're dropping the "+" version naming scheme,
5141 but, in general, we still can't be sure of our next release name.
5142 * bootstrap: Add a quick hack to remove from .gitignore the
5143 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
5144 entry. This should really be fixed in gnulib instead.
5145 * bootstrap.conf (gnulib_modules): Add gnumakefile.
5146 * configure.ac (AC_INIT): Set version name by invoking
5147 build-aux/git-version-gen.
5148 (AC_CONFIG_FILES): Remove .version, now generated by
5149 build-aux/git-version-gen.
5150 * maint.mk: New, copied from coreutils.
5151 * doc/.cvsignore (bison.1): Add.
5152 * doc/.gitignore (/bison.1): Add.
5153 * doc/bison.1: Remove, generated.
5154 * src/.cvsignore (revision.c): Remove.
5155 * src/.gitignore (/revision.c): Remove.
5156 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
5157 (BUILT_SOURCES): Remove revision.c.
5158 (revision.c): Remove.
5159 * src/getargs.c (version): Don't print revision after the VERSION.
5160 * src/revision.h: Remove.
5162 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
5164 Fix untranslatable composition of sentences. Reported by Goran
5166 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
5167 * THANKS (Goran Uddeborg): Add.
5168 * src/reduce.c (reduce_print): Report the number of nonterminals and
5169 rules useless in the grammar in separate sentences.
5170 * tests/reduce.at (Useless Rules): Update output.
5171 (Reduced Automaton): Likewise.
5172 (Underivable Rules): Likewise.
5173 (Empty Language): Likewise.
5175 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
5177 Fix some .gitignore and .cvsignore problems.
5178 * bootstrap (insert_sorted_if_absent): Replace all uses with...
5179 (insert_vc_ignore): ... this new function, which prepends `/' to all
5180 .gitignore entries before passing them to insert_sorted_if_absent.
5181 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
5182 .cvsignore files are maintained even though Bison developers run
5183 bootstrap while using Git.
5184 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
5187 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
5188 unneeded. Reported by Eric Blake.
5189 * lib/.gitignore (/*~): Add.
5190 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
5191 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
5193 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
5195 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
5197 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
5198 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
5199 * bootstrap.conf (gnulib_modules): Add unsetenv.
5200 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
5201 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
5203 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
5204 the first argument because it may become position-dependent, and unset
5205 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
5206 Add comments explaining these issues in more detail.
5208 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
5210 Add .gitignore everywhere based on .cvsignore.
5212 * build-aux/.gitignore: New.
5213 * data/.gitignore: New.
5214 * doc/.gitignore: New.
5215 * etc/.gitignore: New.
5216 * examples/.gitignore: New.
5217 * examples/calc++/.gitignore: New.
5218 * lib/.gitignore: New.
5219 * m4/.gitignore: New.
5220 * po/.gitignore: New.
5221 * runtime-po/.gitignore: New.
5222 * src/.gitignore: New.
5223 * tests/.gitignore: New.
5225 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
5227 * NEWS (2.3b+): New section, empty for now.
5228 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
5230 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
5232 * NEWS (2.3b): Update release date since there has been a delay in
5233 getting the announcements and tarballs out.
5235 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
5237 * NEWS: Version 2.3b.
5238 * configure.ac (AC_INIT): Likewise.
5239 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
5241 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
5243 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
5244 been doing it for years.
5245 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
5246 (Release Procedure): Add FIXME about make alpha being unmaintained.
5248 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
5250 * data/yacc.c: Reformat m4 a little for readability.
5251 * src/lalr.c (build_relations): Correct comment.
5253 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5255 DJGPP specific issue.
5256 * djgpp/config.sed: Fixes required to run configure scripts generated
5259 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
5261 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
5262 coordinator@translationproject.org.
5264 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
5266 * THANKS: Add Eric Blake.
5268 2008-04-23 Eric Blake <ebb9@byu.net>
5270 Revert prior patch, by working around autoconf regression.
5271 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
5272 ("Output file name: ("): Uncomment test.
5273 ("Output file name: )"): Likewise.
5274 Based on an idea from Noah Misch.
5276 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
5278 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
5279 2.61. Reported by Juan Manuel Guerrero at
5280 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
5281 * tests/output.at ("Output file name: ("): Comment out test case for
5283 ("Output file name: )"): Likewise.
5285 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
5287 * GNUmakefile: Update git-version-gen invocation so make dist
5290 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
5292 Update to the current gnulib CVS repository, and fix trigraph handling
5294 * bootstrap: Update gnulib CVS repository URL.
5295 (symlink_to_dir): Encapsulate the code that guarantees the destination
5296 directory exists into...
5297 (check_dst_dir): ... this new function, and...
5298 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
5299 fail when copying files into lib/uniwidth/.
5300 * src/output.c (prepare_symbols): When writing yytname muscles, where
5301 symbol names will be encoded in C-string literals, tell quotearg to
5302 escape trigraphs. This used to be the default in gnulib.
5303 * tests/regression.at (Token definitions): Because of the change in
5304 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
5305 escapes trigraphs in symbol names. Thus, yytname no longer has
5306 trigraphs unnecessarily doubly escaped. Update test case output.
5307 Extend test case to be sure Bison's own error messages will no longer
5308 have trigraphs in symbol names unnecessarily escaped once.
5310 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
5312 Fix make dist infinite loop reported by Juan Manuel Guerrero at
5313 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
5314 * .cvsignore: Add .version.
5316 * bootstrap.conf (gnulib_modules): Add git-version-gen.
5317 * configure.ac (AC_CONFIG_FILES): Add .version.
5318 * build-aux/.cvsignore: Add git-version-gen.
5320 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
5322 * NEWS (2.3a+): Mention that -g now takes an argument.
5323 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
5324 consistency. Update the -g and -x entries now that they take
5325 arguments. Use brackets to indicate optional arguments.
5326 * src/getargs.c (usage): Explain the relationship between arguments of
5327 long and short options more completely. Document --defines and -d
5328 separately since the former takes an argument but, for POSIX Yacc, the
5330 (short_options): Let -W take an optional argument like --warnings.
5331 (getargs): Sort cases.
5333 2008-02-28 Akim Demaille <demaille@gostai.com>
5335 * doc/bison.texinfo: Fix a few typos.
5337 2008-02-28 Akim Demaille <akim@epita.fr>
5339 * doc/bison.texinfo (Bison Options): Document -W.
5340 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
5342 2008-02-28 Akim Demaille <akim@epita.fr>
5344 * src/getargs.c (short_options): Split and sort for readability.
5345 -g and -x take optional arguments, just like their long options.
5346 * build-aux/cross-options.pl: Use /x to make the regexp easier to
5348 Fix the handling of $opt which resulted in all the argument to be
5349 considered as optional.
5351 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
5353 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
5354 say its interface is experimental.
5355 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
5357 (Bison Options): In the -L and --language entry, mention Java.
5358 (Java Bison Interface): Say the interface is experimental.
5359 * src/getargs.c (usage): Mention -L and --language.
5361 * NEWS (2.3a+): Say the push parsing interface is experimental.
5362 * doc/bison.texinfo (Push Decl): Likewise.
5363 (Decl Summary): Likewise in the "%define api.push_pull" entry.
5364 (Push Parser Function): Likewise.
5365 (Pull Parser Function): Likewise.
5366 (Parser Create Function): Likewise.
5367 (Parser Delete Function): Likewise.
5368 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
5369 yypull_parse, and yypush_parse entries.
5371 * NEWS (2.3a+): Mention XML support, and say the schema is
5373 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
5374 * src/getargs.c (usage): Say the XML schema is experimental.
5376 * NEWS (2.3a+): Say option instead of flag.
5378 2008-02-21 Wojciech Polak <polak@gnu.org>
5380 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
5383 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
5385 Fix impure push parser compile error reported by Bob Rossi at
5386 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
5387 * data/yacc.c: Clean up whitespace in the output a little.
5388 (yypstate_allocated): Define for impure push parsers regardless of
5389 whether the pull interface is also requested.
5390 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
5391 check impure push parsers without the pull interface.
5393 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
5394 yyerror takes arguments specified by %parse-param while yypstate_new
5396 * doc/bison.texinfo (Parser Create Function): Document that
5397 yypstate_new returns 0 for multiple impure parser instances.
5398 * tests/push.at (Push Parsing: Multiple impure instances): Update
5399 expected stderr output.
5401 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
5403 * runtime-po/POTFILES.in (push.c): Remove.
5405 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
5407 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
5408 * data/push.c: Rename to...
5409 * data/yacc.c: ... this, overwriting it.
5410 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
5411 `%push-pull-parser' -> `%define api.push_pull "both"'.
5412 Remove old yacc.c tests, and update push.c tests to yacc.c.
5414 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
5416 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
5417 `"%code top" blocks' instead of `%code "top" blocks'.
5418 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
5419 Clean up whitespace in the output a little.
5421 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
5423 Fix documentation problems reported by Tim Josling at
5424 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
5425 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
5426 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
5427 integers. Explain the effect of literal string aliases on error
5428 messages. Copy token 0 documentation from the C++ skeleton
5431 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
5433 Accept a token number in a %left, %right, or %nonassoc for POSIX
5434 conformance. Reported by Tim Josling at
5435 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
5436 * NEWS (2.3a+): Mention.
5437 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
5438 and code numbers are treated by precedence declarations.
5439 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
5441 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
5443 (symbol.prec): New, just like symbol but allows INT.
5444 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
5446 * tests/regression.at (Token number in precedence declaration): New
5449 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5451 DJGPP specific issues.
5452 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
5453 be changed. Copyright timestamp adjusted.
5454 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
5455 be changed. Copyright timestamp adjusted.
5456 * djgpp/config.site: Copyright timestamp adjusted.
5457 * djgpp/config_h.sed: Copyright timestamp adjusted.
5458 * djgpp/djunpack.bat: Copyright timestamp adjusted.
5459 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
5460 filename translation list.
5461 * djgpp/subpipe.c (init_subpipe): Check the environment variables
5462 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
5463 files shall be created. Before trying to use the temp dir where the
5464 environment variable points to check that the dir really exists. If
5465 not default to the cwd as temp dir. Copyright timestamp adjusted.
5466 * djgpp/subpipe.h: Copyright timestamp adjusted.
5467 * djgpp/testsuite.sed: Copyright timestamp adjusted.
5469 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
5471 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
5473 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
5475 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
5476 Problem reported by Claudio Saavedra in
5477 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
5479 2008-01-05 Wojciech Polak <polak@gnu.org>
5481 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
5482 document's title with the input grammar file name.
5484 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
5486 Automate regression testing of the XML/XSLT implementation. Discussed
5488 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
5489 * configure.ac (XSLTPROC): New substitution.
5490 * Makefile.am (maintainer-xml-check): New phony target invoking...
5491 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
5492 invoking make maintainer-check with BISON_TEST_XML=1.
5493 * tests/atlocal.in (XSLTPROC): New.
5494 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
5495 not to report reachable memory when Bison is expected to have a
5496 non-zero exit status and (2) to compare XML/XSLT output with --graph
5497 and --report=all output for every working grammar when
5499 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
5500 (AT_BISON_CHECK_XML): New.
5501 (AT_QUELL_VALGRIND): New.
5502 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
5503 (AT_CHECK): ... don't redefine this since this was the old way to
5505 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
5506 AT_BISON_CHECK invocations.
5507 * tests/c++.at: Likewise.
5508 * tests/calc.at: Likewise.
5509 * tests/conflicts.at: Likewise.
5510 * tests/cxx-type.at: Likewise.
5511 * tests/existing.at: Likewise.
5512 * tests/glr-regression.at: Likewise.
5513 * tests/headers.at: Likewise.
5514 * tests/input.at: Likewise.
5515 * tests/java.at: Likewise.
5516 * tests/output.at: Likewise.
5517 * tests/push.at: Likewise.
5518 * tests/reduce.at: Likewise.
5519 * tests/regression.at: Likewise.
5520 * tests/sets.at: Likewise.
5521 * tests/skeletons.at: Likewise.
5522 * tests/synclines.at: Likewise.
5523 * tests/torture.at: Likewise.
5524 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
5525 tends to hang xsltproc.
5526 (Big horizontal): Likewise.
5528 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
5530 In XML output, remove redundant class attribute on symbol element.
5531 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
5532 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
5533 look up a symbol to determine whether it's a nonterminal or terminal.
5534 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
5535 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
5537 Add prec/assoc information to XML output.
5538 * src/gram.c (grammar_rules_print_xml): For each rule that has a
5539 %prec, add a percent_prec attribute.
5540 * src/print-xml.c (print_grammar): For each terminal that has a
5541 precedence or associativity, add a prec or assoc attribute.
5543 (xml_puts): Use xml_indent.
5544 (xml_printf): Use xml_indent.
5545 * src/print-xml.h (xml_indent): Prototype.
5547 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
5548 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
5550 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
5552 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
5553 (bison:ruleByNumber): ... this for clarity.
5554 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
5555 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
5556 (xsl:template match="reduction"): Update.
5557 (xsl:template match="item"): Update.
5558 (xsl:template match="reduction"): Update.
5560 In the XML output, don't print the list of rules where symbols appear.
5561 Compute it in XSLT instead. Discussed at
5562 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
5563 * data/xslt/bison.xsl (bison:ruleByLhs): New.
5564 (bison:ruleByRhs): New.
5565 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
5567 (xsl:template match="terminal/rule"): Remove.
5568 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
5570 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
5572 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
5573 bison:ruleByRhs and mode="number-link" for rule template.
5574 (xsl:template match="terminal/rule"): Remove.
5575 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
5576 bison:ruleByRhs and mode="number-link" for rule template.
5577 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
5579 (xsl:template match="rule" mode="number-link"): ... this.
5580 * src/print-xml.c (print_grammar): Don't print the list of rules.
5582 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5584 Don't let --report affect XML output; always print all information.
5586 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
5587 * src/conflicts.c (log_resolution): Implement.
5588 * src/print-xml.c (print_core): Implement.
5589 (print_state): Implement.
5590 (print_xml): Implement.
5592 * NEWS (2.3a+): Fix quotes.
5593 * src/parse-gram.y (prologue_declaration): For consistency with -v,
5594 don't let %verbose clear the list specified by --report.
5596 2007-11-26 Akim Demaille <akim@epita.fr>
5598 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
5600 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
5602 In the XML output, list useless and unused symbols and rules with the
5603 useful ones and add a "usefulness" attribute. Discussed starting at
5604 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
5605 * src/gram.c (grammar_rules_partial_print_xml): Remove.
5606 (grammar_rules_print_xml): Print all rules instead of just those
5607 useful in the grammar, and add a "usefulness" attribute.
5608 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
5609 * src/print-xml.c (print_rules_useless_in_parser): Remove.
5610 (print_grammar): Print all nonterminals instead of just useful ones,
5611 and add a "usefulness" attribute to nonterminals and terminals.
5612 (print_xml): Don't print a separate "reductions" or
5613 "rules-useless-in-parser" element.
5614 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
5615 (reduce_xml): Remove.
5616 (reduce_token_unused_in_grammar): New.
5617 (reduce_nonterminal_useless_in_grammar): New.
5618 * src/reduce.h (reduce_xml): Remove prototype.
5619 (reduce_token_unused_in_grammar): Add prototype.
5620 (reduce_nonterminal_useless_in_grammar): Add prototype.
5621 * data/xslt/xml2text.xsl: Update for XML changes.
5622 * data/xslt/xml2xhtml.xsl: Update for XML changes.
5623 * tests/reduce.at (Useless Terminals): Update output.
5624 (Useless Rules): Update output.
5625 (Reduced Automaton): Update output.
5627 Say "Terminals unused in grammar" instead of "Unused terminals".
5628 * NEWS (2.3a+): Update.
5629 * doc/bison.texinfo (Understanding): Update example output.
5630 * src/reduce.c (reduce_output): Implement.
5631 * data/xslt/xml2text.xsl: Implement.
5632 * data/xslt/xml2xhtml.xsl: Implement.
5634 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
5636 Accept --report-file=FILE to override the default `.output' filename.
5637 * NEWS (2.3a+): Mention.
5638 * doc/bison.texinfo (Bison Options): Add an entry.
5639 * src/files.c (compute_output_file_names): Don't override
5640 spec_verbose_file if already set.
5641 * src/getargs.c (usage): Document --report-file.
5642 (REPORT_FILE_OPTION): New anonymous enum member.
5643 (long_options): Add entry for it.
5644 (getargs): Add case for it setting spec_verbose_file.
5646 * build-aux/cross-options.pl: Don't record a short option just because
5648 * doc/.cvsignore: Add yacc.1.
5650 2007-11-14 Akim Demaille <akim@epita.fr>
5652 * doc/yacc.1.in: New.
5653 * configure.ac, doc/Makefile.am: Adjust.
5654 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
5656 Use AC_SUBST for assignments too.
5657 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
5659 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5661 * src/gram.c: Remove comments that duplicate comments in gram.h.
5663 When reporting useless rules and nonterminals, say "useless in grammar"
5664 instead of "useless", and say "useless in parser" instead of "never
5665 reduced". Discussed starting at
5666 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
5667 * NEWS (2.3a+): Mention this change.
5668 * data/xslt/xml2text.xsl: Update output text and expected input XML
5669 element names to match changes below.
5670 * data/xslt/xml2xhtml.xsl: Likewise.
5671 (xsl:template match="bison-xml-report"): Add missing entry in Table of
5672 Contents: "Rules useless in parser due to conflicts".
5673 * doc/bison.texinfo (Decl Summary): Reword a little.
5674 (Understanding): Update example output for changes below.
5675 * src/gram.c: (rule_useful_p): Rename to...
5676 (rule_useful_in_grammar_p): ... this.
5677 (rule_useless_p): Rename to...
5678 (rule_useless_in_grammar_p): ... this.
5679 (rule_never_reduced_p): Rename to...
5680 (rule_useless_in_parser_p): ... this.
5681 (grammar_rules_print): Update for renames.
5682 (grammar_rules_print_xml): Update for renames.
5683 (grammar_rules_never_reduced_report): Rename to...
5684 (grammar_rules_useless_report): ... this since it is used for either
5685 kind of useless rule.
5686 * src/gram.h: Reword comments and update function names in prototypes.
5687 * src/main.c (main): Say "rule useless in parser due to conflicts".
5688 * src/print-xml.c (print_rules_never_reduced): Rename to...
5689 (print_rules_useless_in_parser): ... this, and rename output XML
5690 element "rules-never-reduced" to "rules-useless-in-parser".
5691 (print_xml): Update for rename.
5692 * src/print.c (print_results): Say "Rules useless in parser due to
5694 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
5695 (nonterminals_reduce): Say "nonterminal useless in grammar".
5696 (reduce_output): Say "Nonterminals useless in grammar".
5697 Say "Rules useless in grammar".
5698 (reduce_xml): Rename output XML element "useless" to
5699 "useless-in-grammar".
5700 (reduce_print): Don't report the count of grammatically useless rules
5701 as "rules never reduced" just because %yacc is specified.
5702 In the correct report of this count, say nonterminal(s) and rule(s)
5703 "useless in grammar".
5704 * tests/conflicts.at (S/R in initial): Update expected output.
5705 (Defaulted Conflicted Reduction): Likewise.
5706 (Unreachable States After Conflict Resolution): Likewise.
5707 * tests/existing.at (GNU pic Grammar): Likewise.
5708 * tests/reduce.at (Useless Nonterminals): Likewise.
5709 (Useless Rules): Likewise.
5710 (Reduced Automaton): Likewise.
5711 (Underivable Rules): Likewise.
5712 (Empty Language): Likewise.
5714 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5716 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
5717 here document and before the EOF so that BSD's implementation of Bourne
5718 shell doesn't parse the delimiter as part of the here document.
5719 * doc/.cvsignore: Add cross-options.texi.
5720 * src/getargs.c (usage): Add a blank line after the warning categories.
5722 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
5724 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
5726 2007-11-05 Akim Demaille <akim@epita.fr>
5728 Remove Id: from bison.1.
5729 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
5730 (perl -0777 -pi -e 's/\.PP\nId): New.
5731 (.x.1): Use it to ignore the version control revision.
5733 2007-11-05 Akim Demaille <demaille@gostai.com>
5735 * build-aux/Makefile.am: Ship cross-options.pl.
5736 * doc/Makefile.am: Always refer to cross-options.texi with
5738 (MAINTAINERCLEANFILES): Add it.
5740 2007-11-04 Akim Demaille <demaille@gostai.com>
5742 Generate the long/short option cross-table.
5743 * build-aux/cross-options.pl: New.
5744 * doc/Makefile.am (cross-options.texi): New.
5745 * doc/bison.texinfo: Use it.
5747 2007-11-04 Akim Demaille <demaille@gostai.com>
5749 Generate bison.1 using help2man.
5750 * doc/common.x, doc/bison.x: New.
5751 * doc/Makefile.am (bison.1, .x.1): New.
5752 The code is taken from autoconf-2.61/man/Makefile.am.
5753 * configure.ac: Look for help2man.
5755 2007-11-04 Akim Demaille <demaille@gostai.com>
5758 * src/getargs.c (usage): Document -W, make it clear that -d,
5759 -g and -x have optional arguments.
5761 2007-11-04 Akim Demaille <demaille@gostai.com>
5763 Find sha1sum when named gsha1sum.
5764 * bootstrap (find_tool): New.
5767 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
5769 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
5771 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
5772 * NEWS (2.3a+): Mention.
5773 * data/bison.m4 (b4_pure_if): Don't define it here.
5774 * data/c.m4 (b4_identification): Depend on individual skeletons to
5775 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
5776 values of the %define variables api.pure or api.push_pull. Define
5777 YYPURE, YYPUSH, and YYPULL accordingly.
5778 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
5779 glr.cc has already defined b4_pure_flag.
5780 * data/push.c: Define b4_pure_if based on `%define api.pure'.
5781 Remove YYPUSH and YYPULL since they're back in b4_identification again.
5782 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
5783 * doc/bison.texinfo (Pure Decl): Update.
5784 (Push Decl): Update.
5785 (Decl Summary): Add api.pure to %define entry.
5786 In %pure-parser entry, say it's deprecated and reference %define.
5787 (Pure Calling): Update.
5788 (Error Reporting): Update.
5789 (C++ Scanner Interface): Update.
5790 (How Can I Reset the Parser): Update.
5791 (Table of Symbols): In %pure-parser entry, say it's deprecated and
5793 * src/getargs.c (pure_parser): Remove global variable.
5794 * src/getargs.h (pure_parser): Remove extern.
5795 * src/output.c (prepare): Don't define pure_flag muscle.
5796 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
5797 wrapper around `%define api.pure'.
5798 * tests/calc.at (Simple LALR Calculator): Update.
5799 (Simple GLR Calculator): Update.
5800 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
5802 (GLR: Resolve ambiguity, pure, locations): Update.
5803 (GLR: Merge conflicting parses, pure, no locations): Update.
5804 (GLR: Merge conflicting parses, pure, locations): Update.
5805 * tests/glr-regression.at (Uninitialized location when reporting
5807 * tests/input.at (Unused %define api.pure): New test case.
5808 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
5809 AT_PURE_IF and AT_PURE_AND_LOC_IF.
5810 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
5812 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
5814 %define push_pull -> %define api.push_pull. Discussed starting at
5815 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
5816 * data/push.c: Expect the new name.
5817 * data/yacc.c: Likewise.
5818 * doc/bison.texinfo (Push Decl): Update.
5819 (Decl Summary): Update %define entry.
5820 (Push Parser Function): Update.
5821 (Pull Parser Function): Update.
5822 (Parser Create Function): Update.
5823 (Parser Delete Function): Update.
5824 * tests/calc.at (Simple LALR Calculator): Update.
5825 * tests/input.at (%define enum variables): Update.
5826 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
5827 (Push Parsing: Multiple impure instances): Update.
5828 (Push Parsing: Unsupported Skeletons): Update.
5829 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
5830 (Exploding the Stack Size with Malloc): Update.
5832 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
5835 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
5837 For the XML output's terminal element, rename @number to @token-number,
5838 and add @symbol-number. In the nonterminal element, rename @number to
5839 @symbol-number. Discussed starting at
5840 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
5841 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
5843 (xsl:template match="nonterminal"): Likewise.
5844 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
5845 (xsl:template match="nonterminal"): Likewise.
5846 * src/print-xml.c (print_grammar): Implement.
5848 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5850 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
5851 2007-10-11 change, the child elements here are items not rules.
5852 (xsl:template match="item"): New.
5853 (xsl:template match="rule"): Update for new reduced itemset.
5854 (xsl:template match="point"): Remove.
5855 (xsl:template match="empty"): For consistency with --graph, don't
5856 output "/* empty */".
5857 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
5858 line-wrap, don't pass a negative value as first-line-length since this
5859 won't work with the following changes.
5860 (xsl:template name="line-wrap"): Simplify slightly.
5861 (xsl:template name="ws-search"): Eliminate recursion.
5862 * src/print_graph.c (print_core): Don't print a reduction's lookahead
5863 set next to an item whose dot is not at the end of the RHS even if it
5864 happens to be associated with the same rule.
5866 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
5868 Add %define lr.keep_unreachable_states.
5869 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
5870 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
5871 * src/main.c (main): Implement it.
5872 * tests/conflicts.at (Unreachable States After Conflict Resolution):
5873 Extend to test it, and fix a typo.
5875 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
5877 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
5878 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
5879 the example .output text.
5880 * tests/regression.at (Extra lookahead sets in report): Improve wording
5883 2007-10-17 Wojciech Polak <polak@gnu.org>
5885 * src/print-xml.c (print_grammar): Renamed
5886 <terminal> and <nonterminal> attributes:
5887 "type" to "number" and "symbol" to "name".
5888 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
5889 Use new attribute names.
5890 (xsl:template match="nonterminal"): Likewise.
5891 * data/xslt/xml2xhtml.xsl: Likewise.
5893 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
5895 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
5896 (Option Cross Key): Likewise.
5898 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
5899 next to an item whose dot is not at the end of the RHS even if it
5900 happens to be associated with the same rule.
5901 * src/print.c (print_core): Likewise.
5902 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
5903 (Resolved SR Conflicts): Update output.
5904 * tests/regression.at (Extra lookahead sets in report): New test case.
5906 2007-10-11 Wojciech Polak <polak@gnu.org>
5908 * src/print-xml.c (print_core): Remove item set
5910 * data/xslt/bison.xsl (bison:ruleNumber): New key.
5911 Improve processing time. Suggested by Joel E. Denny.
5912 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
5913 Write xsl:param "required" attribute as comment.
5914 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
5915 (xsl:template match="rule"): Support new reduced itemset.
5916 (xsl:template match="point"): Remove.
5917 * data/xslt/xml2xhtml.xsl: Likewise.
5919 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
5921 * src/getargs.c (version): Update copyright year.
5923 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
5925 Make xml2dot.xsl and --graph produce the same output.
5926 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
5927 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
5929 (xsl:template name="output-node"): Use the new escape template instead
5930 of the string-replace template directly.
5931 (xsl:template name="output-edge"): Likewise.
5932 (xsl:template name="escape"): New, escapes backslashes and newlines in
5933 addition to quotation marks.
5934 * src/graphviz.c (start_graph, output_node, output_edge): Add
5935 whitespace to output for legibility.
5937 Make xml2text.xsl and --report produce the same output, and remove the
5938 XML "conflicts" element since a conflict summary is easily extracted
5940 * data/xslt/bison.xsl: New.
5941 (xsl:template match="state" mode="bison:count-conflicts): New.
5942 * data/xslt/xml2text.xsl: Import bison.xsl.
5943 (xsl:template match="bison-xml-report"): Instead of styling the
5944 "conflicts" element, style the "automaton" element with mode
5945 "conflicts". Unlike the former, the latter lists S/R and R/R
5946 conflicts for a state on the same line.
5947 (xsl:template match="conflicts"): Remove.
5948 (xsl:template match="conflict"): Remove.
5949 (xsl:template match="terminal"): Line-wrap the list of rules in which
5950 the terminal is used.
5951 (xsl:template match="nonterminal"): Likewise for nonterminals.
5952 (xsl:template match="automaton" mode="conflicts"): New.
5953 (xsl:template match="state" mode="conflicts"): New.
5954 (xsl:template name="line-wrap"): New.
5955 (xsl:template name="ws-search"): New.
5956 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
5957 (xsl:template match="bison-xml-report"): Instead of styling the
5958 "conflicts" element, style the "automaton" element with mode
5960 (xsl:template match="conflicts"): Remove.
5961 (xsl:template match="conflict"): Remove.
5962 (xsl:template match="automaton" mode="conflicts"): New.
5963 (xsl:template match="state" mode="conflicts): New.
5964 * src/conflicts.c (conflicts_output_xml): Remove.
5965 * src/conflicts.h (conflicts_output_xml): Remove prototype.
5966 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
5967 * src/print.c (print_grammar): Consistently wrap at the 66th column so
5968 the corresponding XSLT is easier. Also, never wrap between a word and
5969 the comma that follows it.
5971 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
5973 Improve C++ namespace support. Discussed starting at
5974 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
5975 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
5976 b4_namespace_close): New macros that interpret the %define variable
5977 "namespace" so its value can contain "::" to indicate nested
5979 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
5981 * data/lalr1.cc (b4_namespace): Likewise.
5982 * data/location.cc (b4_namespace): Likewise.
5983 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
5984 inside a new table in the general %define entry. Document `%define
5985 namespace' there as well. Point the %name-prefix entry to it since it
5986 explains it more completely in the case of C++.
5987 (C++ Bison Interface): Mention `%define namespace' instead of
5989 (Table of Symbols): Remove the `%define push_pull' entry. The %define
5991 * tests/c++.at (Relative namespace references): New test case.
5992 (Absolute namespace references): New test case.
5993 (Syntactically invalid namespace references): New test case.
5994 * tests/input.at (C++ namespace reference errors): New test case.
5996 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
5998 Add syncline support and location accessor to internal %define
6000 * data/bison.m4 (b4_percent_define_get_loc): New.
6001 (b4_percent_define_get_syncline): New.
6002 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
6003 (b4_percent_define_default): Record defining location as line 1 rather
6004 than 0 for the sake of synchronizing #line's, and define
6005 b4_percent_define_syncline(VARIABLE).
6006 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
6007 * src/muscle_tab.c (muscle_syncline_grow): New.
6008 (muscle_code_grow): Use muscle_syncline_grow.
6009 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
6010 define b4_percent_define_syncline(VARIABLE).
6011 (muscle_percent_define_get_loc): New.
6012 (muscle_percent_define_get_syncline): New.
6013 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
6014 remove some unused variables.
6015 (muscle_percent_define_default): Record defining location as line 1
6016 rather than 0 for the sake of synchronizing #line's, and define
6017 b4_percent_define_syncline(VARIABLE).
6018 (muscle_percent_define_check_values): Use
6019 muscle_percent_define_get_loc.
6020 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
6021 (muscle_percent_define_get_syncline): Prototype.
6022 * tests/skeletons.at (%define Boolean variables: invalid skeleton
6023 defaults): Update output for location change.
6024 (Complaining during macro argument expansion): Extend to test
6025 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
6027 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
6029 Fix some error-reporting macro bugs.
6030 * data/bison.m4 (b4_cat): New.
6031 (b4_error, b4_error_at): Use b4_cat to send error directives directly
6032 to stdout so they don't become arguments to other macros. Update
6033 comments and add examples.
6034 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
6036 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
6037 after printing the error directive so that M4 doesn't report subsequent
6038 problems that are induced by this problem.
6039 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
6040 instead of just in them. Recognize @\n in both places. Both expand to
6041 the empty string. Needed by b4_cat.
6042 * tests/skeletons.at (Complaining during macro argument expansion):
6044 (Fatal errors make M4 exit immediately): New test case.
6046 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
6048 Implement --print-datadir.
6049 * src/getargs.c (usage): Mention.
6050 (PRINT_DATADIR_OPTION): New anonymous enum member.
6051 (long_options): Add entry for it.
6052 (getargs): Add case for it calling compute_pkgdatadir.
6053 * src/output.c (output_skeleton): Encapsulate data directory
6054 computation from here...
6055 (prepare): ... and from here...
6056 (compute_pkgdatadir): ... into this new function.
6057 * src/output.h (compute_pkgdatadir): Prototype.
6059 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
6061 * src/print-xml.c (escape_bufs): New static global variable
6063 (xml_escape_n): ... the static local variable buf here.
6064 (print_xml): Free memory for escape_bufs.
6065 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
6067 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
6069 Replace `%push-parser' and `%push-pull-parser' with
6070 `%define push_pull "push"' and `%define push_pull "both"'.
6071 `%define push_pull "pull"' is the default.
6072 * doc/bison.texinfo (Push Decl, Push Parser Function,
6073 Pull Parser Function, Parser Create Function, Parser Delete Function):
6074 Update declarations.
6075 (Decl Summary, Table of Symbols): Replace %push-parser and
6076 %push-pull-parser entries with a %define push_pull entry.
6077 * data/bison.m4 (b4_percent_define_check_values): New macro.
6078 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
6080 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
6082 * data/push.c: ... to here and compute them from the value of the
6083 %define variable push_pull.
6084 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
6085 parsing requests here...
6086 * data/yacc.c: ... hack this to switch to push.c any time
6087 b4_use_push_pull_flag or the %define variable push_pull is set. This
6088 will go away when we mv push.c yacc.c.
6089 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
6090 push parsing is not supported since unused %define variables are
6092 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
6093 * src/muscle_tab.h (muscle_percent_define_check_values): Update
6094 comments for consistency with b4_percent_define_check_values.
6095 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
6097 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
6099 (prologue_declaration): Remove %push-parser and %push-pull-parser
6101 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
6102 * tests/calc.at: Update declarations.
6103 * tests/input.at (%define enum variables): New test case.
6104 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
6106 (Push Parsing: Multiple impure instances): Update declaration.
6107 (Push Parsing: Unsupported Skeletons): New test case.
6108 * tests/torture.at (Exploding the Stack Size with Alloca): Update
6110 (Exploding the Stack Size with Malloc): Update declaration.
6112 2007-09-24 Wojciech Polak <polak@gnu.org>
6114 Add XSLT transformations.
6116 * data/xslt/xml2dot.xsl: Transform XML into DOT.
6117 * data/xslt/xml2text.xsl: Transform XML into plain text.
6118 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
6119 * data/Makefile.am (xsltdir): New variable.
6120 (dist_xslt_DATA): Add xslt/*.xsl files.
6122 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
6124 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
6125 Problem reported by Wojciech Polak.
6126 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
6127 (xml_printf): Undo change I made on 21 September; that is,
6128 indent 2 spaces, not 1.
6130 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
6132 Pacify ./configure --enable-gcc-warnings.
6133 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
6134 `char const *' instead of `char *'.
6135 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
6136 local variable `sep'.
6138 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
6140 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
6142 * src/print-xml.c: Prefer "const" after types; that's more consistent.
6143 (xml_printf): Indent just 1 space for level.
6144 (e_char, xlate_char): Remove.
6145 (xml_escape_string): Rewrite to avoid undefined behavior (used
6146 storage that was freed from the stack).
6147 (xml_escape_n): Don't bother checking for subscript error.
6149 2007-09-21 Wojciech Polak <polak@gnu.org>
6151 Add Bison XML Automaton Report.
6153 Add support for an -x option to generate an XML report.
6154 It is not documented yet.
6155 * src/print-xml.c: New file.
6156 * src/print-xml.h: Likewise.
6157 * lib/timevar.def (TV_XML): New var.
6158 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
6159 * src/conflicts.c: Include print-xml.h.
6160 (solved_conflicts_xml_obstack): New var.
6161 (log_resolution, conflicts_solve, conflicts_free):
6162 Add support for XML report.
6163 (conflicts_output_val): New function.
6164 * src/conflicts.h (conflicts_output_val): New decl.
6165 * src/files.c (spec_xml_file): New var.
6166 (compute_output_file_names, output_file_names_free): Add XML support.
6167 * src/files.h (spec_xml_file): New decl.
6168 * src/getargs.c (xml_flag): New var.
6169 (usage, short_options, long_options, getargs): Add XML support.
6170 * src/getargs.h (xml_flag): New decl.
6171 * src/gram.c: Include print-xml.h.
6172 (rule_lhs_print_xml, rule_rhs_print_xml):
6173 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
6175 * src/gram.h: Declare external ones.
6176 * src/main.c: Include print-xml.h.
6177 (main): Add XML support.
6178 * src/reduce.c: Include print-xml.h.
6179 (reduce_xml): New function.
6180 * src/reduce.h: Declare it.
6181 * src/state.c: Include print-xml.h.
6182 (state_new): Add XML support.
6183 (state_rule_lookahead_tokens_print_xml): New function.
6184 * src/state.h: Declare it.
6185 (struct state): New member solved_conflicts_xml.
6186 * src/symtab.c (symbol_class_get_string): New function.
6187 * src/symtab.h: Declare it.
6189 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
6191 * GNUmakefile: Switch to coreutils's version.
6192 * bootstrap: Likewise.
6193 * Makefile.cfg: Adjust to new GNUmakefile.
6194 * README-hacking: Likewise.
6198 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
6199 Bruno Haible <bruno@clisp.org>
6201 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
6202 and is a script that invokes bison. Tighten the code. Add comments.
6204 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
6206 Spell "boolean" as "Boolean". Reported by Akim Demaille.
6207 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
6208 * doc/bison.texinfo (Decl Summary): Fix.
6209 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
6210 * tests/input.at (Boolean %define variables): Update output.
6211 * tests/skeletons.at (%define boolean variables: invalid skeleton
6212 defaults): Rename to...
6213 (%define Boolean variables: invalid skeleton defaults): ... this and
6216 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
6218 In impure push mode, don't allow more than one yypstate to be allocated
6219 since multiple impure parsers would corrupt yynerrs.
6220 * data/push.c (yypstate_allocated): New static global variable
6222 (yypull_parse): If yypstate_new returns 0, don't report it as memory
6223 exhaustion if yypstate_allocated is 1, but still return 2.
6224 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
6225 already 1. Otherwise, set it to 1.
6226 (yypstate_delete): Set it to 0.
6227 * tests/push.at (Push Parsing: Multiple impure instances): New test
6230 2007-08-17 Bob Rossi <bob@brasko.net>
6232 * doc/bison.texinfo (Push Decl): Document the push parser.
6233 (Table of Symbols): Ditto.
6235 (Decl Summary): Ditto.
6236 (Multiple Parsers, Push Parser Function, Pull Parser Function,
6237 Parser Create Function, Parser Delete Function):
6238 Add new push parser symbols.
6239 (Table of Symbols): Document push-parser, push-pull-parser,
6240 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
6242 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
6245 * doc/gpl-3.0.texi: New file.
6246 * doc/gpl.texi: Remove.
6247 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
6248 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
6249 * README-hacking, TODO, bootstrap, bootstrap.conf:
6250 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
6251 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
6252 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
6253 * data/lalr1.cc, data/lalr1.java, data/location.cc:
6254 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
6255 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
6256 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
6257 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
6258 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
6259 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
6260 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
6261 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
6262 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
6263 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
6264 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
6265 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
6266 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
6267 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
6268 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
6269 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
6270 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
6271 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
6272 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
6273 * src/complain.c, src/complain.h, src/conflicts.c:
6274 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
6275 * src/files.h, src/flex-scanner.h, src/getargs.c:
6276 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
6277 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
6278 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
6279 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
6280 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
6281 * src/print.c, src/print.h, src/print_graph.c:
6282 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
6283 * src/reduce.h, src/relation.c, src/relation.h:
6284 * src/revision.h, src/scan-code.h, src/scan-code.l:
6285 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
6286 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
6287 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
6288 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
6289 * tests/Makefile.am, tests/actions.at, tests/c++.at:
6290 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
6291 * tests/existing.at, tests/glr-regression.at:
6292 * tests/headers.at, tests/input.at, tests/java.at:
6293 * tests/local.at, tests/output.at, tests/push.at:
6294 * tests/reduce.at, tests/regression.at, tests/sets.at:
6295 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
6299 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
6301 Get rid of broken %no-parser, -n, and --no-parser implementation and
6303 * TODO: Don't mention them.
6304 * doc/bison.1: Likewise.
6305 * doc/bison.texinfo (Decl Summary): Likewise.
6306 (Bison Options): Likewise.
6307 (Option Cross Key): Likewise.
6308 * src/getargs.c (no_parser_flag): Remove global variable.
6309 (usage): Don't print description of -n and --no-parser.
6310 (long_options): Remove --no-parser entry here.
6311 (getargs): Remove -n case in the switch here.
6312 * src/getargs.h (no_parser_flag): Remove extern.
6313 * tests/regression.at (Web2c Actions): Remove comment that mentions
6316 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
6318 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
6319 name user variables starting with `yy'. Just pass NULL instead of a
6320 dummy local &yylval to yypush_parse.
6321 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
6324 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
6326 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
6327 true since it's then always used regardless of whether yyoverflow is
6328 defined. Reported by Christian Burger at
6329 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
6330 * THANKS: Add Christian Burger.
6332 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
6333 node names: say "Decl Summary" not "Bison Declaration Summary".
6335 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
6337 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
6338 determine whether this function has already complained about an invalid
6339 value for a %define boolean variable, don't check whether Bison has
6340 ever examined the value. As written, the check was a tautology.
6341 Instead, record and check for this complaint using a separate muscle.
6343 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
6345 Fix push parsing memory leak reported by Brandon Lucia at
6346 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
6347 * THANKS: Add Brandon Lucia.
6348 * data/push.c (yypstate_delete): Free the stack if it was reallocated
6349 but the parse never completed and thus freed it.
6350 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
6351 * tests/testsuite.at: Include push.at.
6352 * test/push.at: New.
6353 (Push Parsing: Memory Leak for Early Deletion): New test case.
6355 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
6357 Improve handling of multiple S/R conflicts in the same state and of S/R
6358 conflicts involving multiple reductions.
6359 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
6360 set for a state here or Bison will abort if it is reassigned on a
6361 later conflicted reduction in the same state.
6362 Similarly, don't finalize and assign the solved conflicts report here
6363 or it will be lost if it is reassigned on a later conflicted reduction
6365 (set_conflicts): Instead, assign them both here after all S/R conflicts
6366 in the state have been fully examined.
6367 * src/print.c (shift_set): Rename to...
6368 (no_reduce_set): ... this.
6369 (print_reductions): Update for rename, and add %nonassoc error action
6370 tokens to no_reduce_set so that, when printing the first remaining
6371 reduction on an error action token, the reduction is enclosed in
6373 (print_results): Update for rename.
6374 * tests/conflicts.at (Solved conflicts report for multiple reductions
6375 in a state): New test case.
6376 (%nonassoc error actions for multiple reductions in a state): New test
6379 * src/main.c (main): Don't depend on C99 features.
6381 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
6383 * build-aux/.cvsignore: Add compile.
6384 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
6387 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
6389 * bootstrap (slurp): Create target directories that don't exist.
6390 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
6392 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
6394 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
6396 * closure.c (closure): Likewise.
6397 * state.h (reductions): Comment sorting of rules.
6398 (state): Comment sorting of items.
6400 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
6402 Fix C++ test cases after recent Gnulib changes. Discussed starting at
6403 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
6404 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
6405 definition in order to avoid Gnulib headers since we don't use config.h
6407 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
6408 rather than AT_DATA so that config.h is included.
6410 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
6412 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
6413 instead of fprintf. Guard these functions with #if YYDEBUG instead of
6414 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
6415 and so that YYFPRINTF is guaranteed to be defined here.
6417 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
6419 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
6421 (muscle_percent_define_check_values): ... this more helpful function.
6422 Again, it's not used yet, but it will be.
6423 * src/muscle_tab.h: Likewise.
6425 Improve some comments in parser table construction.
6426 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
6427 (generate_states): Don't mention ruleset, which is internal to closure.
6428 * src/closure.c (closure): Explain sorting of core and itemset, which
6429 is required for this function to behave correctly.
6430 * src/closure.h (closure): Mention sorting.
6432 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
6434 * src/lalr.c (state_lookahead_tokens_count): For code readability,
6435 move the check for disabled transitions to an aver since conflict
6436 resolution hasn't happened yet.
6438 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
6439 labels a state as inconsistent just because it has error transitions.
6440 The original form of this check appeared in revision 1.1 of lalr.c,
6441 which was committed on 1991-12-21. Now (at least), changing the
6442 consistency label on such a state appears to have no useful effect in
6443 any of the places it is examined, which I enumerate below. The key
6444 point to understanding each item in this enumeration is that a state
6445 with an error transition is labelled consistent in the first place only
6446 if it has no rules, so the check cannot matter for states that have
6447 rules. (1) Labelling a state as inconsistent will cause set_conflicts
6448 to try to identify its conflicts, and a state must have *rules* to have
6449 conflicts. (2) Labelling a state as inconsistent will affect how
6450 action_row sets the default *rule* for the state. (3) Labelling a
6451 state as inconsistent will cause build_relations to add lookback edges
6452 to *rules* in that state.
6453 * src/state.h (struct state): Word the comment for member consistent
6456 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
6458 Don't depend on C99 features.
6459 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
6460 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
6461 * src/reader.c (check_and_convert_grammar): Fix for-loop.
6462 * src/state.c (state_mark_reachable_states): Fix for-loop.
6463 (state_remove_unreachable_states): Fix for-loop.
6465 Don't widen struct state with member reachable just to temporarily
6466 record reachability. Instead, use a local bitset.
6467 * src/state.h (struct state): Remove member.
6468 * src/state.c (state_new): Don't initialize it.
6469 (state_mark_reachable_states): Rename to...
6470 (state_record_reachable_states): ... this, and use bitset.
6471 (state_remove_unreachable_states): Use bitset.
6473 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
6475 * src/Makefile.am (yacc): Quote target action commands properly so
6476 that the yacc script isn't corrupt. Reported by Hans Aberg at
6477 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
6479 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
6480 the case of pure parsers. Reported by Frans Englich at
6481 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
6482 * THANKS: Add Frans Englich.
6484 * NEWS (2.3a+): In the %code entry, reference section `Bison
6485 Declaration Summary' from the manual now since the %code summary has
6487 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
6488 in the rules section must be terminated by semicolons.
6490 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
6492 Extend the front-end API for %define variables to more completely
6493 mirror the back-end. This will be useful in the future.
6494 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
6495 Update comments to mention the new front-end counterparts of these
6497 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
6498 for muscle_string_decode and muscle_location_decode.
6499 (muscle_string_decode): New static function.
6500 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
6501 (muscle_percent_define_get, muscle_percent_define_ifdef): New
6503 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
6504 muscle_percent_define_get to mimic the b4_percent_define_flag_if
6505 implementation more closely.
6506 (muscle_percent_define_invalid_value): New function.
6507 * src/muscle_tab.h (muscle_percent_define_get,
6508 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
6511 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
6513 * NEWS (2.3a+): Mention yesterday's state-removal change.
6514 (2.3a): Remove the %language entry, which was added after 2.3a.
6515 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
6516 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
6517 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
6518 tests/existing.at: Update copyright date.
6520 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
6522 If conflict resolution makes states unreachable, remove those states,
6523 report rules that are then unused, and don't report conflicts in those
6525 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
6526 New global function.
6527 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
6529 * src/main.c (main): After conflict resolution, remove the unreachable
6530 states and update all data structures that reference states by number.
6531 * src/state.c (state_new): Initialize each state's reachable member to
6533 (state_mark_reachable_states): New static function.
6534 (state_remove_unreachable_states): New global function.
6535 * src/state.h (struct state): Add member bool reachable.
6536 (state_remove_unreachable_states): Prototype.
6537 * tests/conflicts.at (Unreachable States After Conflict Resolution):
6539 * tests/existing.at (GNU pic Grammar): Update test case output now that
6540 an unused rule is discovered.
6542 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
6544 Minor code cleanup in parser table construction.
6545 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
6546 (new_itemsets, save_reductions): Update for rename to nitemset.
6547 * src/closure.c (nritemset): Rename to...
6548 (nitemset): ... this since the "r" appears to meaningless and isn't
6549 used in the comments.
6550 (closure): Update for rename.
6551 * src/closure.h (nritemset): Update extern to...
6552 (nitemset): ... this.
6553 * src/lalr.c (LA): Fix a typo in comments.
6554 * src/print.c (print_core): Update for rename to nitemset.
6555 * src/print_graph.c (print_graph): Likewise.
6556 * src/state.h: Fix some typos in header comments.
6558 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
6560 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
6561 still sticks to ASCII. Sorry!
6563 * README-hacking: New file, taken mostly from coreutils, with changes
6564 for Bison. Contains much of the contents of:
6565 * README-cvs: Remove.
6566 * bootstrap: Sync from gnulib.
6567 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
6568 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
6570 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
6572 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
6574 (Java Differences): Fix some typos.
6575 * THANKS: Add Sebastian Setzer.
6577 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
6579 * data/java.m4 (b4_single_class_if): Remove.
6580 (b4_abstract_if): Look at "%define abstract".
6582 (b4_union_name): Rename...
6583 (b4_yystype): ... to this. Map to "%define stype".
6584 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
6585 b4_maybe_throws): Fix quoting.
6586 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
6587 * data/lalr1.java (Lexer interface): Always define.
6588 (Lexer interface within parser class): Remove.
6589 (YYLexer class): New, used when "%code lexer" is present.
6590 (constructor): When "%code lexer" is used, pass %lex-param
6591 to the lexer constructor.
6592 (yylex, yyparse): Remove %lex-param from method invocations
6593 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
6595 * doc/bison.texinfo (Java Bison Interface): Mention "%define
6596 abstract". Rename "%define union_name" to "%define stype".
6597 Rename method names according to previous patch.
6598 (Java Scanner Interface): Describe "%code lexer" instead of
6599 "%pure-parser" and "%define single_class".
6600 (Java Differences): Mention "%code lexer".
6602 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
6603 Include scanner here, using macros from tests/local.at.
6604 (AT_DATA_CALC_Y): Remove final argument.
6605 (_AT_CHECK_JAVA_CALC): Likewise.
6606 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
6607 of %locations and %error-verbose.
6608 (main): Test with and without %lex-param.
6609 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
6610 (AT_BISON_OPTION_POPDEFS): Pop it.
6612 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6614 DJGPP spefic issue. Inhibit the use of disallowed characters for
6615 file name genertion on Win98, WinXP, etc. These are |<>":?*\
6616 and concern testsuite case 46.
6617 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
6618 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
6619 * djgpp/config.bat: Inhibit the use of disallowed characters.
6621 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
6623 Miscellaneous %define and %code cleanup.
6624 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
6625 values are interpreted.
6626 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
6627 documentation a little more.
6628 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
6629 muscle_percent_define_insert, muscle_percent_code_grow): New
6631 * src/muscle_tab.h (muscle_percent_define_insert,
6632 muscle_percent_code_grow): Prototype.
6633 * src/parse-gram.y (prologue_declaration): Use
6634 muscle_percent_define_insert and muscle_percent_code_grow when parsing
6635 %define and %code directives.
6637 Make it easy to share %define boolean variables between the front-end
6638 and back-end. Though not used yet, this will be useful in the future.
6639 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
6640 Bison uses of names rather than just skeleton uses of names.
6641 (b4_percent_define_get, b4_percent_define_ifdef): Rename
6642 b4_percent_define_skeleton_variables(VARIABLE) to
6643 b4_percent_define_bison_variables(VARIABLE).
6644 (b4_percent_code_get, b4_percent_code_ifdef): Rename
6645 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
6646 b4_percent_code_bison_qualifiers(QUALIFIER).
6647 (b4_check_user_names_wrap): Update for renames.
6648 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
6649 muscle_percent_define_default): New functions mimicking
6650 b4_percent_define_flag_if and b4_percent_define_default.
6652 For %define variables, report locations for invalid values and
6654 * data/bison.m4 (b4_percent_define_flag_if): Read
6655 b4_percent_define_loc(VARIABLE) to report the location of an invalid
6657 (b4_percent_define_default): Save a special location in
6658 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
6659 must later be reported as invalid.
6660 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
6662 (muscle_percent_define_insert): Record the location of VARIABLE in
6663 muscle percent_define_loc(VARIABLE), and use it to report the previous
6664 location for a redefinition.
6665 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
6666 (muscle_percent_define_default): Update like b4_percent_define_default.
6667 (muscle_grow_user_name_list): Rename to...
6668 (muscle_user_name_list_grow): ... this for consistency and use
6669 muscle_location_grow.
6670 * src/muscle_tab.h (muscle_location_grow): Prototype.
6671 * tests/input.at (%define errors): Update expected output.
6672 * tests/skeletons.at (%define boolean variables: invalid skeleton
6673 defaults): New test case.
6675 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
6677 * src/print.c (lookahead_set, state_default_rule): Remove.
6678 (print_reductions): Replace state_default_rule invocation with
6679 equivalent use of yydefact, which was computed in token_actions in
6681 (print_results): Don't allocate lookahead_set.
6683 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
6685 * data/lalr1.java: Prefix all private members with yy.
6687 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
6689 Use YYFPRINTF instead of fprintf where appropriate. Reported by
6690 Sebastien Fricker at
6691 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
6692 * THANKS: Add Sebastien Fricker.
6693 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
6694 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
6695 accept a variable number of arguments.
6697 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
6699 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
6701 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6703 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
6704 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
6705 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
6707 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
6709 Undo my 2007-02-07 change, switching back to the c-strcase module
6710 introduced in the 2007-02-03 change. Bruno Haible reported that
6711 the 2007-02-07 change would be dangerous in Turkish if we add a
6712 language whose name contains "i", since "i" is not lowercase "I"
6714 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
6715 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
6716 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
6717 * m4/.cvsignore: Remove strcase.m4.
6718 * src/getargs.c: Revert 2007-02-07 change, as follows.
6719 Include c-strcase.h.
6720 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
6722 2007-02-11 Bruno Haible <bruno@clisp.org>
6724 Enable the Java related testsuite tests when the only Java compiler
6725 found is a gcj < 4.3. Discussed at
6726 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
6727 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
6729 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
6731 * data/Makefile.am: Update copyright date.
6732 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
6733 yypstate_new returns NULL.
6734 (yypstate_new): Return NULL if malloc does.
6735 * src/reader.c (packgram): Move translation of rule actions from the
6736 beginning of packgram to...
6737 (check_and_convert_grammar): ... here right before packgram is invoked
6738 so it's easier to write more complete comments, and remove redundant
6741 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
6743 As in semantic actions, make @$ in %initial-action, %destructor, and
6744 %printer imply %locations.
6745 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
6747 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
6748 (@$ in %initial-action implies %locations,
6749 @$ in %destructor implies %locations,
6750 @$ in %printer implies %locations): ... these new test cases.
6752 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
6754 Undo most of the 2007-02-03 change, switching to the strcase module
6755 now that gnulib strcase has been fixed.
6756 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
6757 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
6758 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
6759 * m4/.cvsignore: Add strcase.m4.
6760 * src/getargs.c: Revert 2007-02-03 change, as follows.
6761 Don't include c-strcase.h.
6762 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
6763 strcasecmp has "unspecified behavior" outside the POSIX locale,
6764 but it works fine in practice if at least one argument is ASCII,
6765 as is the case in Bison.
6767 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
6769 * tests/java.at: Skip tests if only one of javac/java is present.
6770 Reported by Joel E. Denny.
6771 * tests/atlocal.in: Adjust copyright years.
6773 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
6775 * data/lalr1.java (Stack): Work around old verifiers that disallow
6776 access to the private fields of an inner class, from the outer class.
6777 We can make Stack's fields public because user code doesn't have access
6778 to the instance of Stack used by parse(). Reported by Paul Eggert.
6780 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
6782 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
6783 the right spot for these files?
6784 * bootstrap.conf (gnulib_modules): Add c-strcase.
6785 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
6787 * src/getargs.c: Include c-strcase.h.
6788 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
6789 to avoid unspecified behavior.
6791 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
6793 * doc/bison.texinfo (Decl Summary): Correct typo.
6795 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
6797 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
6798 Complain if the value does not match empty, "true" or "false".
6799 * data/c++.m4: Adjust default definitions of %define variables.
6800 * data/java.m4: Adjust default definitions of %define variables.
6801 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
6803 * tests/input.at (Boolean %define variables): Test new behavior.
6805 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
6807 * NEWS: Mention java.
6808 * TODO: Remove things that are done.
6809 * bootstrap.conf: Add javacomp-script and javaexec-script.
6810 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
6812 * data/Makefile.am: Add new files.
6813 * data/java-skel.m4: New.
6814 * data/java.m4: New.
6815 * data/lalr1.java: New.
6817 * doc/bison.texinfo: Put "A Complete C++ Example" under
6818 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
6819 under Other Languages.
6821 * src/getargs.c (valid_languages): Add Java.
6822 * src/getargs.h (struct bison_language): Update size of string fields.
6824 * tests/Makefile.am: Add java.at.
6825 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
6826 * tests/java.at: New.
6827 * tests/testsuite.at: Include it.
6829 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
6832 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
6833 at_directive_argv arguments so these no longer have to be global
6834 variables. Also, update the implementation for the following changes.
6835 (fail_for_at_directive_too_many_args,
6836 fail_for_at_directive_too_few_args): Add at_directive_name argument.
6837 (at_directive_name): Remove as at_directive_argv[0] will be used for
6839 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
6840 for the directive name.
6841 (at_directive_argc, at_directive_argv): Make these local within
6842 skel_lex instead of global.
6843 (INITIAL): Update directive start action for above changes.
6844 (SC_AT_DIRECTIVE_ARG): Rename to...
6845 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
6846 (SC_AT_DIRECTIVE_SKIP_WS): Update.
6847 (scan_skel): Move yylex_destroy to...
6848 (skel_scanner_free): ... here.
6849 * tests/skeletons.at (installed skeleton file name): Rename to...
6850 (installed skeleton file names): ... this.
6852 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
6854 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
6855 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
6856 Summary" not "Directives".
6857 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
6858 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
6859 since the former is now the more complete one.
6860 (Prologue Alternatives): Likewise and do the same for %defines.
6861 (Table of Symbols): Add summary of %code, add summary of %define, and
6862 move full %code documentation to...
6863 (Decl Summary): ... here for consistency with other entries in these
6865 Move %define entry in order to keep this list alphabetized.
6866 Reword %define entry a little to put less emphasis on the skeleton
6867 concept, which most users shouldn't have to think about.
6869 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
6871 Adjust to recent gnulib changes.
6872 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
6873 Add string.h, string_.h, unistd_.h, wchar_.h.
6874 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
6875 * src/system.h: Don't include <stpcpy.h>; this is now done by
6878 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
6880 Simplify implementation of unqualified %code, implement macros for
6881 uniform treatment of boolean %define flags. Document %define.
6882 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
6883 b4_percent_code_ifdef): New.
6884 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
6885 * data/c++.m4: Define default value for global_tokens_and_yystype.
6886 * data/glr.cc: Likewise.
6887 * data/location.cc: Use b4_percent_define_flag_if.
6889 * doc/bison.texinfo (Decl Summary): Document %define.
6891 * src/parse-gram.y (Unqualified %code): Change muscle name to
6893 (content.opt): Default to empty.
6895 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
6897 Implement support for relative and absolute skeleton file names.
6898 Discussed starting at
6899 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
6900 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
6901 (Bison Options): Document in --skeleton entry.
6902 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
6903 full_skeleton can't necessarily hold all of pkgdatadir.
6904 If the specified skeleton file name contains a `/', don't prepend
6906 * src/parse-gram.y (prologue_declaration): If the specified skeleton
6907 file name contains a `/', prepend the grammar file directory.
6908 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
6909 * skeletons.at: New file.
6910 (relative skeleton file names): New test case.
6911 (installed skeleton file names): New test case.
6912 * tests/testsuite.at: Include skeletons.at.
6914 * bootstrap: Update copyright to 2007.
6916 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
6918 * bootstrap: Remove occurrences of .#bootmp from the files.
6920 2007-01-17 Akim Demaille <akim@epita.fr>
6922 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
6924 Use per-type %printer.
6926 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
6928 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
6929 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
6930 djgpp/config.site, src/files.c, src/files.h, src/main.c,
6931 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
6932 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
6933 tests/glr-regression.at, tests/input.at, tests/local.at,
6934 tests/output.at, tests/torture.at: Update copyright to 2007.
6936 2007-01-16 Akim Demaille <akim@epita.fr>
6938 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
6940 (Calc++ Scanner): Exit with failure if we can't open the input
6942 Accept "-" standing for stdin.
6943 (Calc++ Top Level): Print the result only if the parsing was
6946 2007-01-16 Akim Demaille <akim@epita.fr>
6948 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
6950 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
6951 and Joel E. Denny <jdenny@ces.clemson.edu>
6953 Clean up %define and %code implementation in M4 some. Most
6954 importantly, rename all related macros to be in the b4_percent_define
6955 and b4_percent_code namespaces. Also, complete support for `.' in
6956 %define variable names and %code qualifiers.
6957 * data/bison.m4 (b4_check_user_names): Check for special
6958 "SKELETON-NAMESPACE(name)" macros instead of using two nested
6960 (b4_get_percent_define, b4_get_percent_code): Rename to...
6961 (b4_percent_define_get, b4_percent_code_get): ... these.
6962 Extend documentation with examples.
6963 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
6964 b4_percent_define_skeleton_variables and
6965 b4_percent_code_skeleton_qualifiers.
6966 Expect any value for the %define variable `foo' to be stored in the
6967 macro named `b4_percent_define(foo)'; expect any %code blocks for the
6968 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
6969 expect any unqualified %code blocks to be stored in a macro named
6970 `b4_percent_code_unqualified'.
6971 Use m4_indir so that %define variable names and %code qualifiers can
6972 contain `.', which is allowed by the grammar parser.
6973 (b4_percent_define_default): New macro to set a default value for a
6975 (m4_wrap): Update wrapped code, and fix some underquoting.
6976 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
6977 Expect grammar uses of %define variables and %code qualifiers to be
6978 defined in b4_percent_define_user_variables and
6979 b4_percent_code_user_qualifiers.
6980 * data/c++.m4: Use b4_percent_define_default rather than
6981 m4_define_default. Fix some underquoting. Skeleton usage of %define
6982 variable define_location_comparison now implies skeleton usage of
6983 %define variable filename_type.
6984 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
6985 data/push.c, data/yacc.c: Update macro names.
6986 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
6989 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6991 DJGPP specific issues.
6993 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
6994 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
6996 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
6998 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
6999 run parsers in all tests so that Valgrind is invoked during
7000 maintainer-check-valgrind.
7001 (Duplicate representation of merged trees): Free all semantic values.
7002 (Duplicated user destructor for lookahead): Likewise.
7004 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
7006 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
7007 command-line prefix.
7008 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
7009 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
7010 miss Valgrind messages.
7011 (Exploding the Stack Size with Malloc): Likewise.
7013 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
7015 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
7016 locals. Reported by Juan Manuel Guerrero at
7017 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
7018 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
7019 Fix some indentation also.
7020 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
7021 explaining this issue.
7023 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
7024 and Joel E. Denny <jdenny@ces.clemson.edu>
7026 Simplify union and prologue handling, and escape union and lex/parse
7027 params with digraphs.
7028 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
7029 values to the empty string since these are no longer guaranteed
7030 initialized by the front-end.
7031 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
7032 braces around b4_user_stype since this is no longer done by the
7034 * src/files.c, src/files.h (pre_prologue_obstack,
7035 post_prologue_obstack): Remove.
7036 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
7037 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
7038 with digraphs. This fixes lex params and parse params.
7039 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
7040 * src/output.c (prepare): Remove muscle insertion of the prologues.
7041 (output): Remove freeing of pre_prologue_obstack and
7042 post_prologue_obstack.
7043 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
7044 than prologue_augment for prologue parsing so you don't need prologue
7046 (grammar_declaration): For %union RHS, use `braceless' instead of
7047 "{...}" so that braces are already stripped and code is escaped with
7049 * src/reader.c (prologue_augment): Remove.
7050 (reader): Remove initialization of pre_prologue_obstack and
7051 post_prologue_obstack.
7052 * src/reader.h (prologue_augment): Remove.
7054 * data/c.m4: Remove stray parenthesis.
7056 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7058 Remove quotes from variables names in %define directives and from
7059 qualifiers in %code directives, and restrict the characters that are
7060 allowed in them to M4-friendly ones. For %define, continue to support
7061 the quoted form as a deprecated feature. Discussed starting at
7062 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
7063 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
7065 * doc/bison.texinfo (Prologue Alternatives): Update.
7066 (Decl Summary): In %defines entry, update mention of `%code requires'
7067 and `%code provides'.
7068 (C++ Location Values): Update %define uses.
7069 (Calc++ Parser Interface): Likewise.
7070 (Calc++ Parser): Likewise, and update `%code requires' uses.
7071 (Table of Symbols): Update %code documentation.
7072 * src/parse-gram.y (prologue_declaration): For %define variables, use
7073 `variable' instead of `STRING'.
7074 (grammar_declaration): For %code qualifiers, use `ID' instead of
7076 (variable): New nonterminal that takes an `ID' or a `STRING'.
7077 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
7079 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
7080 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
7081 (%define errors): Update %define uses.
7083 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7085 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
7086 instead of muscle_insert for %define values so that M4-special
7087 characters are replaced with digraphs.
7088 * tests/input.at (%define errors): Extend to check weird values.
7090 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7092 Instead of having skeletons declare all valid %define variables and
7093 %code qualifiers, provide macros that retrieve the associated values
7094 and build these lists automatically. Thus Bison will now warn when a
7095 variable or qualifier is not used by the skeleton in the current
7096 invocation regardless of whether it might sometimes be used by that
7097 skeleton in other invocations. Also, move all %define value macros to
7098 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
7099 form, which is replaced by %code.
7100 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
7101 (b4_check_user_names): ... this, and change the series of valid name
7102 arguments to a single list argument for names used in the skeleton
7103 similar to the existing list argument for names used in the grammar.
7104 Warn instead of complaining.
7105 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
7106 values and %code code, to format %code code properly, and to build
7107 lists of all %define variables and %code qualifiers used in the
7108 skeleton: b4_skeleton_percent_define_variables and
7109 b4_skeleton_percent_code_qualifiers.
7110 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
7112 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
7113 the skeleton names lists can finish building first. In place of
7114 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
7115 expect the lists b4_user_percent_define_variables and
7116 b4_user_percent_code_qualifiers.
7117 * data/c++.m4: Where setting default values for b4_parser_class_name,
7118 b4_location_type, b4_filename_type, b4_namespace, and
7119 b4_define_location_comparison, update their names to the
7120 b4_percent_define_ namespace.
7121 * data/glr.c: Don't use b4_check_percent_define_variables and
7122 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
7123 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
7124 (b4_parser_class_name, b4_namespace): Define these using
7125 b4_get_percent_define for parser_class_name and namespace.
7126 * data/location.cc: Use b4_get_percent_define.
7127 * data/push.c: Don't use b4_check_percent_define_variables and
7128 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
7129 * data/yacc.c: Likewise, and don't call m4_exit in
7130 b4_use_push_for_pull_if or m4_wrap code will never execute.
7131 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
7133 (muscle_grow_user_name_list): ... this for consistency with the
7134 terminology used in bison.m4.
7135 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
7136 %define variable names, and rename muscle used_percent_define_variables
7137 to user_percent_define_variables.
7138 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
7139 user_percent_code_qualifiers.
7141 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
7142 {CODE} form is no longer accepted.
7143 * tests/input.at (Reject bad %code qualifiers): Rename to...
7144 (Reject unused %code qualifiers): ... this, and update test output.
7145 (%define error): Update test output.
7147 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
7149 Check for unrecognized %define variables similar to checking for
7150 unrecognized %code qualifiers. Check for redefined %define variables.
7151 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
7153 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
7154 (b4_check_percent_define_variables): New, also wraps it.
7155 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
7156 variables using b4_check_percent_define_variables.
7157 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
7158 all those exercised in the test suite and all those listed in the
7159 `Default values' section of c++.m4. Are there others?
7160 * data/push.c, data/yacc.c: Declare no valid %define variables.
7161 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
7162 similar to muscle_find, but it works even when the muscle stores a
7164 (muscle_grow_used_name_list): New function for constructing the used
7165 name list muscles that b4_check_for_unrecognized_names requires.
7166 * src/parse-gram.y (prologue_declaration): Warn if a variable is
7167 %define'd more than once. Define the b4_used_percent_define_variables
7168 muscle with muscle_grow_used_name_list.
7169 (grammar_declaration): Abbreviate %code code with
7170 muscle_grow_used_name_list.
7171 * tests/input.at (%define errors): New.
7173 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7175 Provide warn_at, complain_at, and fatal_at function callbacks to the
7176 skeletons, and use this for %code qualifier complaints.
7177 * data/bison.m4 (b4_error_at): New, invoked by...
7178 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
7179 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
7180 @fatal_at(...@) directives.
7181 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
7182 qualifiers in b4_used_percent_code_qualifiers and to use
7184 * src/location.c, src/location.h (boundary_set_from_string): New global
7186 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
7188 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
7189 to b4_used_percent_code_qualifiers.
7190 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
7192 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
7193 (lineno): Rename to...
7194 (out_lineno): ... this so I don't misunderstand it again.
7195 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
7196 here; these newlines are in the input but not the output file.
7197 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
7198 (at_directive_perform): ... this new static function, and add handling
7199 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
7201 * tests/input.at (Reject bad %code qualifiers): Update test output with
7202 locations and extend.
7204 * tests/output.at (Output file name: [, Output file name: ]): Remove
7205 bogus comment about these tests failing.
7207 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7209 Clean up b4_check_percent_code_qualifiers a little.
7210 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
7211 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
7212 documentation and add examples.
7213 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
7216 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7218 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
7219 unreliable -- especially when they're hidden inside another macro.
7220 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
7221 data/c.m4: Remove m4_divert(-1).
7222 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
7223 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
7224 m4_divert_push(0) and m4_divert_pop(0).
7225 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
7226 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
7227 pushed and popped by m4sugar, should be first on the stack.
7229 Provide warn, complain, and fatal function callbacks to the skeletons.
7230 This provides more flexibility than m4_fatal, improves the error
7231 message format, and captures messages for translation. Discussed
7233 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
7234 * data/bison.m4 (b4_error): New, invoked by...
7235 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
7236 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
7237 directives. Because these M4 macros might be called when the current
7238 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
7239 the previous removal of uses of m4_divert, which caused trouble.
7240 (b4_check_percent_code_qualifiers): Use b4_complain instead of
7241 m4_fatal to report unrecognized %code qualifiers.
7242 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
7243 push parser requests.
7244 * data/glr.c: Use b4_complain instead of m4_fatal to report
7245 non-deterministic push parser requests.
7246 Update @output usage to @output(...@) form.
7247 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
7248 report missing %defines. Update @output usage to @output(...@) form.
7249 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
7251 * src/main.c (main): Invoke skel_scanner_free.
7252 * src/scan-skel.h (skel_scanner_free): Prototype new function.
7253 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
7254 obstack_for_string from flex-scanner.h.
7255 (YY_DECL): Use to declare skel_lex static.
7256 (decode_at_digraphs): Remove; now handled in the new
7257 SC_AT_DIRECTIVE_ARG start condition.
7258 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
7260 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
7261 at_directive_argv): New static globals.
7262 (INITIAL): Use fail_for_invalid_at.
7263 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
7264 recognize the start of a generalized `@directive(...@)' form and
7266 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
7267 directive args (using the new obstack_for_string), to decode the
7268 contained @ diagraphs, and to perform the directive. It recognizes
7269 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
7271 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
7272 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
7274 (scan_skel): Initialize obstack_for_string on the first call.
7275 (skel_scanner_free): New function to free obstack_for_string.
7276 * tests/input.at (Reject bad %code qualifiers): Update test output.
7278 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
7280 Consolidate the 4 prologue alternative directives (%code, %requires,
7281 %provides, and %code-top) into a single %code directive with an
7282 optional qualifier field. Discussed at
7283 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
7284 * NEWS (2.3a+): Rewrite the existing entry for the prologue
7286 * doc/bison.texinfo (Prologue Alternatives): Update.
7287 (Decl Summary): Update to %code "requires" and %code "provides".
7288 (Calc++ Parser): Update to %code "requires".
7289 (Table of Symbols): Remove entries for %requires, %provides, and
7290 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
7291 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
7292 are replaced by b4_percent_code_provides and b4_percent_code_requires,
7293 which are skeleton-specific.
7294 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
7295 declare what %code qualifiers it supports and to complain if any other
7296 qualifiers were used in the grammar.
7297 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
7298 and b4_user_code([b4_percent_code_provides]) in place of
7299 b4_user_requires and b4_user_provides.
7300 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
7301 Add b4_user_code([b4_percent_code_top]) and
7302 b4_user_code([b4_percent_code]).
7303 Invoke b4_check_percent_code_qualifiers.
7304 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
7305 PERCENT_REQUIRES): Remove.
7306 (grammar_declaration): Remove RHS's for %code-top, %provides, and
7307 %requires. Rewrite the %code RHS as the unqualified form defining the
7308 muscle b4_percent_code. Add another RHS for the qualified %code form,
7309 which defines muscles of the form b4_percent_code_QUALIFIER and the
7310 b4_used_percent_code_qualifiers muscle.
7311 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
7312 PERCENT_REQUIRES): Remove.
7313 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
7314 %code "requires" and %code "provides".
7315 * tests/input.at (Reject bad %code qualifiers): New.
7317 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
7319 Use the new code_props interface for destructors and printers.
7320 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
7321 printer_location members, and change the type of the destructor and
7322 printer members to code_props.
7323 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
7324 symbol_printer_get, semantic_type_destructor_set,
7325 semantic_type_printer_set, default_tagged_destructor_set,
7326 default_tagless_destructor_set, default_tagged_printer_set,
7327 default_tagless_printer_set): Use code_props in arguments and return
7328 types in place of char const * and location.
7329 (symbol_destructor_location_get, symbol_printer_location_get): Remove
7330 since the locations are now contained in the return of
7331 symbol_destructor_get and symbol_printer_get.
7332 * src/output.c (symbol_destructors_output, symbol_printers_output):
7334 (symbol_code_props_output): ... this to eliminate duplicate code.
7335 (output_skeleton): Update to use symbol_code_props_output.
7336 * src/reader.c (symbol_should_be_used): Update use of
7337 symbol_destructor_get.
7338 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
7339 Update uses of the various _destructor_set and _printer_set functions.
7340 * src/symtab.c: (default_tagged_destructor_location,
7341 default_tagless_destructor_location, default_tagged_printer_location,
7342 default_tagless_printer_location): Remove since we...
7343 (default_tagged_destructor, default_tagless_destructor,
7344 default_tagged_printer, default_tagless_printer): ... change the type
7345 of these to code_props.
7346 (symbol_new, semantic_type_new, symbol_destructor_set,
7347 semantic_type_destructor_set, symbol_destructor_get,
7348 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
7349 symbol_check_alias_consistency, default_tagged_destructor_set,
7350 default_tagless_destructor_set, default_tagged_printer_set,
7351 default_tagless_printer_set): Update.
7352 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
7353 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
7355 (symbol_print): Use SYMBOL_CODE_PRINT.
7357 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
7359 Use the new code_props interface for rule actions.
7360 * src/symlist.h (symbol_list): Replace action, action_location, and
7361 used members with a code_props action_props member.
7362 * src/reader.c (symbol_should_be_used, grammar_rule_check,
7363 grammar_midrule_action, grammar_current_rule_merge_set,
7364 grammar_current_rule_symbol_append, packgram): Update.
7365 * src/scan-code.h (translate_rule_action): Remove, no longer used.
7366 * src/scan-code.l (handle_action_dollar): Update.
7367 (translate_rule_action): Remove, no longer used.
7368 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
7370 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7372 Use the new code_props interface in parse-gram.y.
7373 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
7374 Update all uses of translate_* functions to use the new code_props
7375 interface and to use gram_scanner_last_string_free and
7376 code_scanner_last_string_free where possible.
7377 (grammar_declaration): symbol_list_destructor_set and
7378 symbol_list_printer_set now perform the translation, so don't do it
7379 here. Use gram_scanner_last_string_free where possible.
7380 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
7381 translate_code): Remove, no longer used.
7382 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
7383 symbol_list_printer_set): Perform code translation here rather than
7384 depending on the caller to do so.
7386 * src/symlist.h (struct symbol_list): Correct some documentation typos.
7387 * src/scan-gram.h (gram_last_string): Remove declaration.
7388 * src/scan-gram.l (last_string): Declare it static.
7390 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7392 Encapsulate code properties and related functionality for the various
7393 destructors, printers, and actions into a code_props structure and
7394 interface. This patch merely implements code_props in scan-code.h and
7395 scan-code.l. Future patches will rewrite other modules to use it.
7396 Discussed starting at
7397 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
7398 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
7399 consistently initialize const structs that have an empty location
7401 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
7402 to ensure consistency.
7403 * src/scan-code.h (code_props): New structure.
7404 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
7405 function, macro, and const global variable for initializing a
7406 code_props with no code.
7407 (code_props_plain_init, code_props_symbol_action_init,
7408 code_props_rule_action_init, code_props_translate_code): The rest of
7409 the new code_props functional interface. Among other things, the init
7410 functions set the code_props kind field so that
7411 code_props_translate_code will know whether to behave like
7412 translate_symbol_action, translate_rule_action, or translate_code.
7413 These old translate functions must remain until all other modules are
7414 updated to use the new code_props interface.
7415 (code_scanner_last_string_free): New function similar to
7416 gram_scanner_last_string_free.
7417 (code_scanner_free): Add documentation.
7418 * src/scan-code.l: Implement the new interface.
7419 (code_lex): Make it static, add a code_props* argument, and remove the
7421 (last_string): New static global similar to the one in scan-gram.l.
7422 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
7424 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
7425 code_props since Bison may one day use this information for destructors
7427 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
7428 (handle_action_dollar): Use symbol_list_n_get and set used flag
7429 directly since symbol_list_n_used_set is removed.
7430 (translate_action): Add a code_props* argument and remove the rule,
7431 action, and location arguments. Pass the code_props* on to code_lex.
7432 (translate_rule_action, translate_symbol_action, translate_code):
7433 Rewrite as wrappers around the new code_props interface.
7434 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
7435 it would eventually need to break the encapsulation of code_props.
7437 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
7439 * etc/.cvsignore: New.
7441 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
7443 Add maintainer-push-check to run maintainer-check using push parsing in
7444 place of pull parsing where available.
7445 * Makefile.am (maintainer-push-check): New.
7446 * data/bison.m4 (b4_use_push_for_pull_if): New.
7447 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
7448 appropriately based on their existing values.
7449 (yypush_parse): Don't print push-parser-specific diagnostics if push
7450 parsing is being used in place of pull parsing.
7451 * data/yacc.c: If push parsing should replace pull parsing, redirect to
7453 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
7454 variable, and insert b4_use_push_for_pull_flag into muscles.
7455 * tests/Makefile.am (maintainer-push-check): New.
7457 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
7459 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
7460 (whether successful or failed) so that yypush_parse can be invoked
7461 again to start a new parse using the same yypstate.
7462 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
7463 check multiple yypull_parse invocations on the same yypstate. For pull
7464 mode, extend to check multiple yyparse invocations.
7465 (Exploding the Stack Size with Alloca): Extend to try with
7467 (Exploding the Stack Size with Malloc): Likewise.
7469 * tests/calc.at (Simple LALR Calculator): Don't specify
7470 %skeleton "push.c" since %push-pull-parser implies that now.
7471 * tests/headers.at (export YYLTYPE): Don't check for the push
7472 declarations. Otherwise, this test case can't be used to see if push
7473 mode can truly emulate pull mode.
7474 * tests/input.at (Torturing the Scanner): Likewise.
7475 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
7476 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
7477 AT_YACC_IF, which now includes the case of push mode since %skeleton
7478 need not be used for push mode. This will be more intuitive once
7479 push.c is renamed to yacc.c.
7481 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
7483 For push mode, convert yyparse from a macro to a function, invoke yylex
7484 instead of passing a yylexp argument to yypull_parse, and don't
7485 generate yypull_parse or yyparse unless %push-pull-parser is declared.
7486 Discussed starting at
7487 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
7488 * data/bison.m4 (b4_pull_if): New.
7489 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
7490 * data/push.c: Improve M4 quoting a little.
7491 (b4_generate_macro_args, b4_parenthesize): Remove.
7492 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
7493 any time a pull parser is requested.
7494 Don't #define this as a wrapper around yypull_parse. Instead, when
7495 both push and pull are requested, make it a function that does that
7497 (yypull_parse): If there's a b4_prefix, #define this to
7498 b4_prefix[pull_parse] when both push and pull are requested.
7499 Don't define this as a function unless both push and pull are
7501 Remove the yylexp argument and hard-code yylex invocation instead.
7502 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
7504 * src/getargs.c (pull_parser): New global initialized to true.
7505 * getargs.h (pull_parser): extern it.
7506 * src/output.c (prepare): Insert pull_flag muscle.
7507 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
7508 (prologue_declaration): Set both push_parser and pull_parser = true for
7509 %push-pull-parser. Set push_parser = true and pull_parser = false for
7511 * src/scan-gram.l: Don't accept %push_parser as an alternative to
7512 %push-parser since there's no backward-compatibility concern here.
7513 Scan %push-pull-parser.
7514 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
7515 instead of %push-parser.
7516 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
7517 prototype it in the module that calls yyparse.
7518 * tests/input.at (Torturing the Scanner): Likewise.
7519 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
7521 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
7523 Update etc/bench.pl. Optimize push mode a little (the yyn change
7524 deserves most of the credit).
7525 * Makefile.am (SUBDIRS): Add etc subdirectory.
7526 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
7527 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
7528 yytoken, yyval, and yyloc declarations to...
7529 (yyparse or yypush_parse): ... here to improve performance. For
7530 yypush_parse invocations after the first, be sure to assign yyn its old
7532 (yypstate_new): Don't bother initializing the yyresult field since the
7533 initial value isn't used.
7534 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
7535 remove the #define that, in push mode, set it to yyps->NAME.
7536 * etc/Makefile.am: New.
7537 * etc/bench.pl: Remove and build it instead from...
7538 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
7539 "tests/bison" from the build directory by default rather than just
7540 invoking "bison" from $PATH.
7541 (calc_grammar): Update push parser code: don't declare yylval globally,
7542 don't define yyparse_wrapper, and don't #define yyparse.
7543 (bench_grammar): Update to check all working combinations of yacc.c,
7544 push.c, impure, pure, pull, and push.
7546 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
7548 For push mode, add pull wrappers around yypush_parse.
7549 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
7550 (yypull_parse): New function wrapping yypush_parse.
7551 (yyparse): New #define wrapping yypull_parse.
7552 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
7554 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
7555 prototype yylex in the module that calls yyparse, and don't prototype
7556 yyparse there. Otherwise, the yyparse expansion won't compile.
7557 * tests/input.at (Torturing the Scanner): Likewise.
7559 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
7561 Enable push parsers to operate in impure mode. Thus, %push-parser no
7562 longer implies %pure-parser. The point of this change is to move
7563 towards being able to test the push parser code by running the entire
7564 test suite as if %push-parser had been declared.
7565 * data/push.c (yypush_parse): For impure mode, remove the
7566 yypushed_char, yypushed_val, and yypushed_loc arguments.
7567 Instead, declare these as local variables initialized to the global
7568 yychar, yylval, and yylloc.
7569 For the first yypush_parse invocation only, restore the initial values
7570 of these global variables when it's time to read a token since they
7571 have been overwritten.
7572 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
7574 * tests/calc.at (Simple LALR(1) Calculator): Always declare
7575 %pure-parser along with %push-parser since this test case was designed
7576 for pure push parsers.
7577 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
7578 (AT_YACC_OR_PUSH_IF): New.
7579 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
7580 add a note that it's still wrong for some cases (as it has been for a
7582 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
7583 %push-parser no longer implies %pure-parser.
7585 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
7587 Remove some unnecessary differences between the pull parser code and
7588 the push parser code. This patch enables yynerrs in push mode.
7589 * data/push.c: Reformat M4 a little.
7590 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
7591 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
7592 because push mode is on. Instead, if pure mode is on, move yynerrs
7594 (b4_declare_parser_state_variables): ... here.
7595 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
7596 to yyps->NAME so it can be used in yypush_parse.
7597 (yypush_parse): Don't omit uses of yynerrs in push mode.
7599 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
7601 Fix bug such that the first pushed token's value and location are
7602 sometimes overwritten (sometimes by %initial-action) before being used.
7603 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
7604 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
7605 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
7606 more closely mimic the pull parser logic.
7607 Don't copy the pushed token to yychar, yylval, and yylloc until it's
7608 time to read a token, which is after any initialization of yylval and
7610 (gottoken): Rename label to...
7611 (yyread_pushed_token): ... for clarity and to avoid infringing on the
7614 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
7616 Rearrange initialization of the parser state variables so that the
7617 skeleton doesn't have to have a copy for pull mode and another for push
7618 mode. This patch also fixes at least a bug such that yylloc was not
7619 initialized (with b4_location_initial_line and
7620 b4_location_initial_column) upon calling yypush_parse. However, that
7621 initialization now overwrites the first token's location;
7622 %initial-action assigning @$ already did the same thing, and both bugs
7623 will be fixed in a later patch.
7624 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
7625 (b4_declare_parser_state_variables): Remove initialization of yytoken,
7626 yyss, yyvs, yyls, and yystacksize.
7627 (yypstate_new): Remove initialization of some yypstate fields: yystate,
7628 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
7630 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
7631 yyps->NAME so it can be used in yypush_parse.
7632 (yyparse or yypush_parse): For yypush_parse, don't print the
7633 "Starting parse" diagnostic for invocations after the first.
7634 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
7635 yypush_parse, only do it for the first invocation.
7636 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
7637 initialization to occur in yypush_parse but only on the first
7640 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
7642 * data/push.c: Add CPP guards around push parser declarations in both
7643 the header and the code file.
7644 In the code file, move the push parser declarations to the same place
7645 they appear in the header file.
7646 Clean up the M4 some, especially the inconsistent underquoting in
7647 some b4_c_function_def and b4_c_function_decl uses.
7649 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
7651 Encapsulate the push parser state variables into an M4 macro so the
7652 push skeleton doesn't have to list them again for pull mode's yyparse.
7653 For push mode, remove yypush_parse's local equivalents of these
7654 variables to eliminate unnecessary copying between the two sets at
7655 run-time. This patch also fixes at least a bug related to multiple
7656 %initial-action invocations in push mode.
7657 * data/push.c (b4_declare_parser_variables): Rename to...
7658 (b4_declare_scanner_communication_variables): ... this for clarity and
7660 (b4_declare_yyparse_variables): Remove and move its contents to the one
7661 spot where it was invoked.
7662 (b4_declare_parser_state_variables): New macro containing the parser
7663 state variables required by push mode.
7664 (struct yypstate): Replace all fields but yynew with
7665 b4_declare_parser_state_variables.
7666 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
7667 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
7668 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
7669 (yyparse or yypush_parse): For yyparse in pull mode, replace local
7670 parser state variable declarations with
7671 b4_declare_parser_state_variables.
7672 Don't initialize parser state variables when calling yypush_parse since
7673 yypstate_new already does that.
7674 Invoke the user's initial action only upon the first yypush_parse
7676 Remove all code that copies between the local parser state variables
7679 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
7681 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
7682 prevent a name collision in a future patch where these names will
7683 sometimes be #define'd.
7684 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
7685 since it no longer has the same name as the existing argument.
7686 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
7688 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
7689 and Joel E. Denny <jdenny@ces.clemson.edu>
7691 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
7692 that the argument is case-insensitive, and there's no `=' here.
7693 For the %skeleton entry, mention that %language is better.
7694 (Bison Options): Likewise for --language and --skeleton. Move the
7695 --skeleton entry so that the `Tuning the parser' section is sorted
7696 alphabetically on long options.
7697 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
7698 %language directive in detail here; cross-reference the %language
7699 documentation instead.
7700 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
7701 `%require "2.3b"' so that the example is always up-to-date.
7702 (Table of Symbols): Add entries for %language and %skeleton.
7703 * examples/extexi (normalize): Instead of replacing every %require
7704 argument with the current Bison version, just substitute for
7705 `@value{VERSION}'. This guarantees that we're testing what actually
7706 appears in the documentation.
7707 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
7708 rather than `@VERSION@'.
7710 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
7712 * NEWS: Reword the %language news a bit, and put it earlier.
7714 * src/getargs.c (skeleton_arg): Last arg is now location const *.
7715 Rewrite to simplify the logic.
7716 (language_argmatch): Likewise.
7717 (program_name): We now own this var.
7718 * src/getargs.h (struct bison_language): Use char[] rather than
7721 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
7723 * src/complain.c (program_name): Remove decl; no longer needed.
7724 * src/main.c (program_name): Remove; now belongs to getargs.
7726 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
7728 * NEWS: Document %language.
7730 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
7732 * data/c-skel.m4, data/c++-skel.m4: New files.
7733 * data/glr.c: Complain on push parsers.
7735 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
7737 (Decl Summary): Document %language and %skeleton.
7738 (Command line): Document -L.
7740 * examples/extexi: Rewrite %require directive.
7741 * examples/calc++/Makefile.am: Pass VERSION to extexi.
7743 * src/files.c (compute_exts_from_gc): Look in language structure
7745 (compute_file_name_parts): Check whether .tab should be added.
7746 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
7747 (language, skeleton_arg, language_argmatch): New.
7748 (long_options): Add --language.
7749 (getargs): Use skeleton_arg, add -L/--language.
7750 * src/getargs.h: Include location.h.
7751 (struct bison_language, language, skeleton_arg, language_argmatch): New.
7752 * src/output.c (prepare): Pick default skeleton from struct language.
7753 Don't dispatch C skeletons here.
7754 * src/parse-gram.y (PERCENT_LANGUAGE): New.
7755 (prologue_declaration): Add "%language" rule, use skeleton_arg.
7756 * src/scan-gram.l ("%language"): New rule.
7758 * tests/calc.at: Test %skeleton and %language.
7759 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
7760 (AT_GLR_IF): Look for %skeleton "glr.cc".
7761 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
7762 (AT_YACC_IF): Reject %language.
7764 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
7766 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
7767 since it wasn't used; only the typedef name 'semantic_type' is needed.
7768 Also, omit trailing white space.
7770 * bootstrap: Sync from coreutils.
7771 (gnulib_extra_files): Add build-aux/announce.gen.
7772 (slurp): Adjust .gitignore files like .cvsignore files.
7773 * build-aux/announce-gen: Remove from CVS, since bootstrap
7776 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
7778 Make %push-parser imply %pure-parser. This fixes several bugs; see
7779 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
7780 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
7782 * data/push.c: Don't bother testing b4_push_if when deciding whether
7783 to expand b4_declare_parser_variables globally.
7784 (yypush_parse): Likewise in here.
7786 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
7787 (yy_reduce_print): Reformat M4 for readability.
7789 2006-12-15 Bob Rossi <bob@brasko.net>
7790 and Joel Denny <jdenny@ces.clemson.edu>
7792 * data/push.c (yypstate): Add typedef, and update all uses of
7793 struct yypstate to just yypstate.
7794 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
7796 2006-12-14 Bob Rossi <bob@brasko.net>
7798 * data/push.c (yypush_parse): Declare prototype regardless of
7801 2006-12-14 Bob Rossi <bob@brasko.net>
7803 * data/push.c (yyparse): Remove the prototype and the #define when in
7806 2006-12-13 Bob Rossi <bob@brasko.net>
7808 * data/push.c (yypstate_init): Rename to...
7809 (yypstate_new): ... this and use b4_c_function_def.
7810 (yypstate_delete): New.
7811 (yypush_parse): Change parameters yynval and yynlloc to be const.
7812 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
7813 yypstate_delete functions.
7815 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
7817 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
7818 strange test case titles. Reported by Bob Rossi.
7820 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
7822 * TODO: Add pointer to Sylvain Schmitz's work on static detection
7823 of potential ambiguities in GLR grammers.
7825 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
7827 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
7828 `bison ', use m4_index instead of m4_substr since chopping up a string
7829 containing M4-special characters causes problems here.
7831 Fix a couple of bugs related to special characters in user-specified
7832 file names, and make it easier for skeletons to compute output file
7833 names with the same file name prefix as Bison-computed output file
7835 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
7836 b4_parser_file_name and b4_spec_defines_file instead of
7837 @output_parser_name@ and @output_header_name@, which are now redundant.
7838 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
7839 b4_parser_file_name, b4_spec_defines_file, and the new
7840 @basename(FILENAME@) instead of @output_parser_name@ and
7841 @output_header_name@, which inappropriately escaped the file names as
7843 * src/files.c (all_but_ext): Remove static qualifier.
7844 (compute_output_file_names): Move `free (all_but_ext)' to...
7845 (output_file_names_free): ... here since all_but_ext is needed later.
7846 * src/files.h (all_but_ext): Extern.
7847 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
7848 exactly what MUSCLE_INSERT_STRING used to do.
7849 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
7850 characters are escaped properly.
7851 * src/output.c (prepare): Define muscle file_name_all_but_ext as
7853 For pkgdatadir muscle, maintain previous functionality by using
7854 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
7855 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
7856 digraphs would never be expanded. Hopefully no one has M4-special
7857 characters in his Bison installation path.
7858 * src/scan-skel.l: Don't parse @output_header_name@ and
7859 @output_parser_name@ anymore since they're now redundant.
7860 In @output, use decode_at_digraphs.
7861 Parse a new @basename command that invokes last_component.
7862 (decode_at_digraphs): New.
7863 (BASE_QPUTS): Remove unused.
7864 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
7865 (Output file name): New tests.
7867 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
7869 Warn about output files that are generated by the skeletons and that
7870 conflict with other output files.
7871 * data/glr.c: Don't generate the header file here when glr.cc does.
7872 * src/files.c (file_names, file_names_count): New static globals.
7873 (compute_output_file_names): Invoke output_file_name_check for files
7874 not generated by the skeletons and remove existing checks.
7875 (output_file_name_check): New function that warns about conflicting
7877 (output_file_names_free): Free file_names.
7878 * src/files.h (output_file_name_check): Declare.
7879 * src/scan-skel.l: Invoke output_file_name_check for files generated by
7881 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
7882 (Conflicting output files): New tests.
7884 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7886 * doc/bison.texinfo: Fix a couple of typos.
7888 2006-12-08 Bob Rossi <bob@brasko.net>
7890 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
7892 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
7894 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
7895 (yypush_parse): Rename yypvars argument to yyps and remove redundant
7897 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
7898 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
7900 2006-12-07 Bob Rossi <bob@brasko.net>
7901 and Joel Denny <jdenny@ces.clemson.edu>
7903 * data/push.c (yypvarsinit): Change return type from void* to struct
7904 yypvars*. No longer cast to void* on return.
7905 (struct yypvars): Remove yylen since it need not be remembered between
7906 yypushparse invocations.
7907 (yypushparse): Don't copy between yylen and pv->yylen.
7909 2006-12-05 Bob Rossi <bob@brasko.net>
7911 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
7912 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
7913 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
7914 (struct yypvars): Remove b4_declare_parser_variables.
7915 (yypvarsinit): Remove init code for removed variables.
7916 (global scope): Do not declare b4_declare_parser_variables if
7918 (yypushparse): Add b4_declare_parser_variables.
7919 Init new local variables, and remove init code for removed
7922 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
7923 and yyparse for other modes.
7924 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
7925 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
7926 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
7927 (AT_PURE_LEX_IF): True if pure or push parser.
7929 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
7931 Document Yacc prologue alternatives and default %destructor's and
7932 %printer's as experimental. Don't mention Java yet. Discussed at
7933 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
7934 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
7935 (2.3a): Annotate this entry to say the old forms of these features were
7937 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
7938 Table of Symbols): Say they're experimental. Comment out any mention
7939 of Java (we'll want this back eventually).
7941 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
7943 Support a file name argument to %defines. Deprecate `=' in
7944 %file-prefix, %name-prefix, and %output. Discussed at
7945 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
7946 * NEWS (2.3a+): Mention.
7947 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
7948 form of %defines, and remove `=' from entries for %file-prefix,
7949 %name-prefix, and %output.
7950 * src/parse-gram.y (prologue_declaration): Implement.
7951 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
7952 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
7953 all but one occurrence of %name-prefix.
7954 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
7955 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
7956 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
7957 occurrence of each of %file-prefix and %output. Add check for %defines
7959 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
7960 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
7961 Remove the `=' from %output.
7963 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
7965 Don't escape $ in test case titles since Autoconf 2.61 now does that
7967 * tests/actions.at (Default %printer and %destructor are not for error
7968 or $undefined): Here.
7969 (Default %printer and %destructor are not for $accept): Here.
7970 * tests/input.at (Invalid $n and @n): Here.
7972 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
7974 Rename <!> to <>. Discussed starting at
7975 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
7976 * NEWS (2.3a+): Update.
7977 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
7979 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
7980 * src/scan-gram.l (INITIAL): Implement.
7981 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
7982 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
7984 * tests/actions.at (Default tagless %printer and %destructor,
7985 Default tagged and per-type %printer and %destructor,
7986 Default %printer and %destructor are not for error or $undefined,
7987 Default %printer and %destructor are not for $accept,
7988 Default %printer and %destructor for mid-rule values): Update.
7989 * tests/input.at (Default %printer and %destructor redeclared,
7990 Unused values with default %destructor): Update.
7992 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
7994 Don't let %prec take a nonterminal.
7995 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
7997 * tests/input.at (%prec takes a token): New test checking that %prec
7998 won't take a nonterminal.
8000 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
8002 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
8003 it was double-quoted.
8004 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
8005 grammar is maintained with Bison's highest standards.
8006 * src/getargs.c: Fix some typos in Doxygen comments.
8008 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
8010 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
8011 later. Reported by Paul Eggert in
8012 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
8013 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
8014 * src/scan-code.l (translate_action): Don't bother invoking
8015 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
8016 (code_scanner_free): Instead of invoking
8017 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
8019 * src/scan-gram.l (gram_scanner_free): Likewise.
8020 * src/scan-skel.l (scan_skel): Likewise.
8022 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
8024 * src/files.c (tr): Change return type to void.
8025 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
8026 has been called previously for the same key.
8027 (muscle_find): Return storage instead of value so that
8028 --enable-gcc-warnings doesn't produce warnings that the return discards
8029 const. aver that the value and storage are the same since storage
8030 could potentially be NULL when value is not.
8031 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
8034 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
8036 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
8037 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
8038 us a slightly cleaner distribution, and also works.
8039 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
8042 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
8043 and Paul Eggert <eggert@cs.ucla.edu>
8045 Don't let Bison leak memory except when it complains.
8046 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
8047 (spec_defines_file, dir_prefix): Now char *, not const char *,
8048 since they are freed.
8049 * src/files.c: Likewise.
8050 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
8052 (tr): Now operates in-place. All uses changed.
8053 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
8055 (compute_file_name_parts, compute_output_file_names): Don't store
8056 read-only data in variables that will be freed.
8057 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
8058 src_extension, and header_extension.
8059 (output_file_names_free): New public function to free
8060 spec_verbose_file, spec_graph_file, spec_defines_file,
8061 parser_file_name, and dir_prefix.
8062 * src/getargs.c (getargs): Don't store read-only data in variables that
8064 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
8065 (which previously existed but was unused), and quotearg_free.
8066 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
8067 * src/muscle_tab.c: Likewise.
8068 (muscle_entry): Make the value char const *,
8069 and add a new storage member that is char * and can be freed.
8070 (muscle_entry_free): New private function.
8071 (muscle_init): Use it instead of free.
8072 (muscle_insert, muscle_grow): Update and use new storage member.
8073 (muscle_code_grow): Free the string passed to muscle_grow
8074 since it's not needed anymore.
8075 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
8076 add a new `char *code' member.
8077 ("{...}"): Declare semantic type as code.
8078 * src/scan-code.h (translate_rule_action):
8079 (translate_symbol_action, translate_code, translate_action): Return
8080 `char const *' rather than `char *' since external code should not free
8082 * src/scan-code.l: Likewise.
8083 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
8084 which is "{...}" in the parser.
8085 * tests/Makefile.am (maintainer-check-valgrind): Set
8086 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
8088 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
8090 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
8091 expecting a non-zero exit status sets --leak-check=summary and
8092 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
8093 this case, and we don't want to hear about it.
8095 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
8097 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
8098 instead of from the template, to simplify configuration a bit.
8099 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
8100 and m4/wint_t.m4, as they are needed with the latest gnulib.
8102 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
8104 Disable unset/unused mid-rule value warnings by default, and recognize
8105 --warnings=midrule-values to enable them. Discussed starting at
8106 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
8107 * NEWS (2.3a+): Mention.
8108 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
8109 warnings): Add entry for midrule-values subargument.
8110 * src/reader.c (symbol_should_be_used): Don't return true just because
8111 the value is a set/used mid-rule value unless
8112 --warnings=midrule-values was specified.
8113 * tests/input.at (Unused values, Unused values before symbol
8114 declarations): Run tests with and without --warnings=midrule-values.
8116 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
8117 than LIST_FREE directly.
8119 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
8121 Finish implementing --warnings=error, which should not be implied by
8122 --warnings=all (or by its synonyms -W and --warnings without
8124 * src/complain.c (set_warning_issued): New function to report that
8125 warnings are being treated as errors and to record an error if so.
8127 (warn_at, warn): ... here.
8128 * src/getargs.c (warnings_args, warnings_types): Reorder so that
8129 "error - warnings are errors" does not appear above "all - all of the
8131 (getargs): For -W and --warnings without subarguments, don't let
8132 FLAGS_ARGMATCH set warnings_error in warnings_flag.
8133 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
8135 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
8137 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
8138 empty subargument list. For example: `bison --warnings= parser.y'.
8140 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
8142 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
8143 the parser header file so that gcc doesn't warn.
8145 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
8147 Split the default %destructor/%printer into two kinds: <*> and <!>.
8148 Discussed starting at
8149 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
8150 * NEWS (2.3a+): Mention.
8151 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
8152 previous change today related to mid-rules.
8153 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
8154 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
8155 (TYPE_TAG_ANY): Add as <*>.
8156 (TYPE_TAG_NONE): Add as <!>.
8157 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
8159 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
8160 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
8161 * src/symlist.c (symbol_list_default_new): Split into tagged and
8163 (symbol_list_destructor_set, symbol_list_printer_set): Split
8164 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
8165 SYMLIST_DEFAULT_TAGLESS.
8166 * src/symlist.h: Update symbol_list_default*_new prototypes.
8167 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
8168 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
8169 * src/symtab.c (default_destructor, default_destructor_location,
8170 default_printer, default_printer_location): Split each into tagged and
8172 (symbol_destructor_get, symbol_destructor_location_get,
8173 symbol_printer_get, symbol_printer_location_get): Implement tagged
8174 default and tagless default cases.
8175 (default_destructor_set, default_printer_set): Split each into tagged
8176 and tagless versions.
8177 * src/symtab.h: Update prototypes.
8178 * tests/actions.at (Default %printer and %destructor): Rename to...
8179 (Default tagless %printer and %destructor): ... this, and extend.
8180 (Per-type %printer and %destructor): Rename to...
8181 (Default tagged and per-type %printer and %destructor): ... this, and
8183 (Default %printer and %destructor for user-defined end token): Extend.
8184 (Default %printer and %destructor are not for error or $undefined):
8186 (Default %printer and %destructor are not for $accept): Update.
8187 (Default %printer and %destructor for mid-rule values): Extend.
8188 * tests/input.at (Default %printer and %destructor redeclared): Extend.
8189 (Unused values with default %destructor): Extend.
8191 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
8193 Don't apply the default %destructor/%printer to an unreferenced midrule
8195 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
8196 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
8197 like $@n instead of just @n so that the default %destructor/%printer
8198 logic doesn't see them as user-defined symbols.
8199 (symbol_is_dummy): Check for both forms of the name.
8200 * src/reader.c (packgram): Remove the `$' from each midrule symbol
8201 name for which the midrule value is referenced in any action.
8202 * tests/actions.at (Default %printer and %destructor for mid-rule
8204 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
8205 for change to dummy symbol names.
8207 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
8209 Warn about unset midrule $$ if the corresponding $n is used.
8210 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
8212 (packgram): Before invoking grammar_rule_check on any rule, make sure
8213 all actions have already been scanned in order to set `used' flags.
8214 Otherwise, checking that a midrule's $$ is set will not always work
8215 properly because the midrule check must forward-reference the midrule's
8217 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
8220 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
8222 More improvements to the documentation of the prologue alternatives:
8223 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
8225 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
8226 some text to clarify the relative importance of the new directives and
8227 to show how these directives may be viewed as code labels.
8229 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
8231 Similar to the recently removed %before-header, add %code-top as the
8232 alternative to the pre-prologue. Mentioned at
8233 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
8234 Also, let the prologue alternatives appear in the grammar section.
8235 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
8236 (prologue_declaration): Move the existing prologue alternatives to...
8237 (grammar_declaration): ... here and add %code-top.
8238 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
8240 Clean up and extend documentation for the prologue alternatives.
8241 * NEWS (2.3a+): Describe prologue alternatives.
8242 * doc/bison.texinfo (Prologue): Move discussion of prologue
8244 (Prologue Alternatives): ... this new section, and extend it to discuss
8245 all 4 directives in detail.
8246 (Table of Symbols): Clean up discussion of prologue alternatives and
8249 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8251 DJGPP specific issues.
8253 * djgpp/config.bat: config.hin has been moved to lib. Adjust
8254 config.bat accordingly.
8255 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
8256 * djgpp/config.site: Likewise.
8258 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
8260 Replace %*-header with %provides, %requires, %code. See discussion at
8261 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
8263 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
8264 (b4_user_start_header): Remove.
8265 * data/glr.c: Use new macros instead of b4_*start_header
8267 * data/glr.cc: Likewise.
8268 * data/lalr1.cc: Likewise.
8269 * data/push.c: Likewise.
8270 * data/yacc.c: Likewise.
8272 * doc/bison.texinfo: Remove %before-header, rename
8273 %{start,end,after}-header to %requires, %provides, %code.
8275 * src/parse-gram.y: Likewise (also rename token names accordingly).
8276 * src/scan-gram.l: Likewise.
8277 * tests/actions.at: Likewise.
8279 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
8281 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
8282 Problem reported by Joel E. Denny.
8284 2006-10-14 Jim Meyering <jim@meyering.net>
8286 (Sync from coreutils.)
8287 Work also when the working directory (with e.g. coreutils sources)
8288 is version controlled with git, rather than CVS.
8289 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
8291 In messages and comments, say e.g., "checked-out sources",
8292 rather than "CVS sources".
8293 (version_controlled_file): New function. Work for git as well as
8294 for CVS. Don't use grep's -q option.
8295 (slurp): Call it here, in place of CVS-specific code.
8297 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
8299 Fix testsuite for ./configure --enable-gcc-warnings:
8300 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
8301 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
8302 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
8303 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
8304 * test/regression.at (Diagnostic that expects two alternatives):
8307 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
8309 * bootstrap.conf (gnulib_modules): Add config-h.
8310 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
8311 worry about HAVE_CONFIG_H.
8312 * lib/abitset.c: Likewise.
8313 * lib/bitset.c: Likewise.
8314 * lib/bitset_stats.c: Likewise.
8315 * lib/bitsetv-print.c: Likewise.
8316 * lib/bitsetv.c: Likewise.
8317 * lib/ebitset.c: Likewise.
8318 * lib/get-errno.c: Likewise.
8319 * lib/lbitset.c: Likewise.
8320 * lib/subpipe.c: Likewise.
8321 * lib/timevar.c: Likewise.
8322 * lib/vbitset.c: Likewise.
8323 * lib/bitset.c: Include "bitset.h" first, to test interface.
8324 * lib/bitset_stats.c: Include "bitset_stats.h" first.
8325 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
8326 * lib/bitsetv.c: Include "bitsetv.h" first.
8327 * lib/get-errno.c: Include "get-errno.h" first.
8328 * m4/.cvsignore: Add config-h.m4.
8329 * tests/actions.at (Default %printer and %destructor for ...):
8330 Adjust expected line numbers in output to reflect removal of #if
8331 HAVE_CONFIG_H lines.
8332 * tests/glr-regression.at (Missed %merge type warnings when ...):
8334 * tests/regression.at (Braced code in declaration in rules section):
8336 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
8337 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
8338 Include <config.h> unconditionally.
8340 * bootstrap: Sync from coreutils, as follows:
8342 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
8344 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
8345 variable was sometimes used without being initialized. This
8346 messed up the installation of the INSTALL file in some cases.
8348 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
8350 * bootstrap (usage, main program, symlink_to_gnulib): Add option
8351 --copy. Inspired by a suggestion from Bruno Haible.
8353 2006-10-03 Jim Meyering <jim@meyering.net>
8355 * bootstrap: Undo last change to this file, since now gnulib-tool
8356 sticks with the automake default in generating dependencies.
8358 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
8360 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
8361 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
8363 * doc/bison.1: Add copyright notice.
8365 * data/glr.c: Don't include <stdarg.h>; not used.
8367 * NEWS: The -g and --graph options now output graphs in Graphviz
8368 DOT format, not VCG format.
8369 * doc/bison.1: Likewise.
8370 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
8371 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
8373 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
8374 * TODO: Remove Graphviz entry.
8375 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
8376 remove vcg.c, vcg.h, vcg_defaults.h.
8377 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
8378 * src/graphviz.c, src/graphviz.h: New files.
8379 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
8380 * src/files.h: Make comment more generic.
8381 * src/main.c (main): Likewise.
8382 * src/print_graph.h: Likewise.
8383 * src/getargs.c (usage): Make usage description more generic.
8384 * src/print_graph.c: Include graphviz.h rather than vcg.h.
8385 (static_graph, fgraph): Remove. All uses changed to pass
8386 arguments instead of sharing a static var.
8387 (print_core, print_actions, print_state, print_graph):
8388 Output graphviz format rather than VCG format.
8389 * tests/.cvsignore: Remove *.vcg; add *.dot.
8390 * tests/output.at: Expect *.dot files, not *.vcg files.
8392 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
8393 accommodates the 2006-10-08 change.
8395 2006-10-11 Bob Rossi <bob@brasko.net>
8397 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
8398 (b4_yyssa, b4_yyerror_range): New macros.
8399 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
8400 (yypvarsinit): Remove init of removed fields.
8401 (yypushparse): Remove use of removed fields; use new macros instead.
8403 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
8405 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
8406 in a push parser. Reindent slightly to match yacc.c better.
8408 2006-10-11 Bob Rossi <bob@brasko.net>
8410 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
8412 (yypvarsinit, yypushparse): Remove init of removed fields.
8413 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
8415 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
8417 * THANKS: Add Paolo Bonzini and Bob Rossi.
8419 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
8421 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
8422 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
8423 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
8424 b4_define_user_cde and uses): Remove.
8425 (b4_comment, b4_prefix, b4_sync_start): New.
8426 * data/bison.m4: New file, with most of the content removed from c.m4.
8427 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
8428 * src/output.c (output_skeleton): Pass bison.m4.
8429 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
8432 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
8434 Fix test failure reported by Tom Lane in
8435 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
8436 and try to make such failures easier to catch in the future.
8437 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
8438 that's now the caller's responsibility.
8439 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
8440 Set yychar = YYEOF if it's negative.
8441 * tests/actions.at (yylex): Abort if asked to read past EOF.
8442 * tests/conflicts.at (yylex): Likewise.
8443 * tests/cxx-type.at (yylex): Likewise.
8444 * tests/glr-regression.at (yylex): Likewise.
8445 * tests/input.at (yylex): Likewise.
8446 * tests/regression.at (yylex): Likewise.
8447 * tests/torture.at (yylex): Likewise.
8449 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
8451 Fix problems with translating English-language diagnostics.
8452 * bootstrap: Fix bug introduced in recent bootstrap changes, with
8453 respect to bison-runtime pot generation. The YY_ stuff
8454 wasn't being captured.
8455 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
8456 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
8457 * runtime-po/POTFILES.in: Add data/push.c.
8459 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
8461 Merge bootstrap changes from coreutils.
8463 2006-09-28 Jim Meyering <jim@meyering.net>
8465 Automatically generated dependencies are important even
8466 when all of the sources in a directory come from gnulib.
8467 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
8468 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
8470 2006-09-23 Jim Meyering <jim@meyering.net>
8472 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
8474 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
8476 * bootstrap: Add support for --force.
8477 (usage): New function. Describe usage less tersely.
8478 (CVS_only_file): New var.
8480 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
8482 * data/push.c (YYPUSH_MORE): Make it an enum instead.
8483 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
8484 Adjust white space and comments to match GNU style better.
8486 2006-09-20 Bob Rossi <bob@brasko.net>
8488 * data/push.c (yyresult_get): Remove function.
8489 (YYPUSH_MORE): Add #define.
8490 (yypushparse): Modify return value.
8492 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
8494 * stamp-h.in: Remove; no longer needed.
8495 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
8496 Remove config.h, config.hin, intl (no longer created).
8497 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
8500 Sync bootstrap from coreutils, as follows:
8502 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
8504 * bootstrap (symlink_to_gnulib): New function.
8505 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
8506 to copies-of-gnulib.
8507 (cp_mark_as_generated, slurp, gnulib_files):
8508 Avoid making a copy if it's the same as the old version.
8509 (gnulib_files): Add support for this variable (used by Bison).
8511 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
8513 * src/getargs.c (usage): Rework to use conventions similar to
8514 coreutils, to make translation a bit easier and the code a bit
8515 smaller. Problem reported by Tim Van Holder.
8517 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
8519 Use some of gnulib's new modules, taken from coreutils.
8521 * bootstrap: Sync from coreutils, except add support for gnulib_files.
8522 * bootstrap.conf: New file.
8523 (gnulib_modules): Add configmake, inttypes, unistd.
8524 (XGETTEXT_OPTIONS): Add complain, complain_at,
8525 fatal, fatal_at, warn, warn_at, unexpected_end.
8526 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
8527 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
8529 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
8531 (GNULIB_AUTOCONF_SNIPPET): Remove.
8532 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
8534 * lib/.cvsignore: Add inttypes_.h.
8535 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
8536 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
8537 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
8538 no-longer-necessary initializations.
8539 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
8540 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
8541 use the unistd module.
8542 * src/system.h: Likewise.
8543 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
8544 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
8545 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
8546 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
8547 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
8548 * src/system.h: Include inttypes.h unconditionally, now that we
8549 use the inttypes module. Don't bother to include stdint.h, since
8550 inttypes.h now does that for us.
8551 (LOCALEDIR): Remove, now that we use the configmake module.
8552 * src/getargs.c: Include configmake.h.
8553 * src/main.c: Likewise.
8554 * src/output.c: Likewise.
8555 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
8556 not from $abs_top_builddir, since config.h moved.
8559 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
8560 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
8562 * src/parse-gram.y (symbol_declaration): Don't put statements
8563 before declarations; it's not portable to C89.
8564 * src/scan-code.l (handle_action_at): Likewise.
8566 * src/scan-code.l: Always initialize braces_level; the old code
8567 left it uninitialized and therefore had undefined behavior.
8569 Don't attempt to redefine 'assert', since it runs afoul of
8570 systems where standard headers (mistakenly) include <assert.h>.
8571 Instead, define and use our own alternative, called 'aver'.
8572 * src/reader.c: Don't include assert.h, since we no longer
8574 * src/scan-code.l: Likewise.
8575 * src/system.h (assert): Remove, replacing with....
8576 (aver): New function, taking a bool arg. All uses changed.
8577 * src/tables.c (pack_vector): Ensure that aver arg is bool,
8578 not merely an integer.
8580 2006-09-15 Bob Rossi <bob@brasko.net>
8582 Add support for push parsing. Based on the original work of
8583 Odd Arild Olsen <oao@fibula.no>.
8584 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
8585 * data/c.m4 (YYPUSH): New.
8586 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
8587 * data/push.c: New file.
8588 * src/getargs.c (push_parser): New var.
8589 * src/getargs.h (push_parser): New declaration.
8590 * src/output.c (prepare): Add macro insertion of `push_flag'.
8591 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
8592 (prologue_declaration): Parse %push-parser.
8593 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
8594 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
8595 list of removed lines from the traces observed.
8596 (AT_CHECK_CALC_LALR): Added push parser tests.
8598 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
8600 * NEWS: Version 2.3a.
8601 * configure.ac (AC_INIT): Likewise.
8603 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
8604 "#define YYSTYPE int" that caused "make maintainer-check" to fail
8605 due to header ordering dependencies. I don't know why the #define
8608 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
8609 runtime cost when YYDEBUG is not defined, and so that some tests
8610 that used to fail now work. Problem and initial suggestion by
8612 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
8613 * data/glr.cc (b4_parser_class_name):
8614 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
8615 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
8616 (yydebug_) [YYDEBUG]: New member.
8617 (yycdebug_): Now defined only if YYDEBUG.
8618 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
8619 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
8620 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
8622 (debug_stream, set_debug_stream, debug_level, set_debug_level):
8623 Define only if YYDEBUG.
8624 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
8626 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
8627 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
8628 AT_CHECK_CALC_GLR_CC that are working now.
8630 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
8632 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
8633 We don't need them in glr.cc, and glr.c defines them.
8634 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
8635 assumes that defining it to anything is the same as defining
8636 it to 1. Problem reported by Paolo Bonzini.
8638 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
8640 * data/c.m4 (b4_null, b4_case): Define.
8641 * src/output.c (prepare_symbols): Use b4_null.
8642 (user_actions_output): Use b4_case.
8644 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
8646 * data/glr.c (b4_shared_declarations): Put start-header first,
8647 before any #includes that we generate, so that feature-test
8648 macros work. Problem reported by Michael Deutschmann in
8649 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
8650 * data/lalr1.cc: Likewise.
8651 * doc/bison.texinfo (Prologue): Document that feature-test macros
8652 should be defined before any Bison declarations.
8653 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
8654 that depend on location.hh after, not before, Bison decls, since
8655 we now include location.hh after the first user prologue.
8657 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
8658 Sander Brandenburg in
8659 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
8660 Also, fix minor white space and comment issues.
8661 (Prologue): Mention that it's better to define feature-test macros
8662 before Bison declarations. Problem reported by Michael Deutschmann.
8664 * README-cvs: Fix typo: "&" should be "&&". Problem reported
8666 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
8667 This adjusts to recent gnulib changes.
8669 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
8671 Finish implementation of per-type %destructor/%printer. Discussed
8673 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
8675 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
8676 * NEWS (2.3+): Add a description of this feature to the default
8677 %destructor/%printer description.
8678 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
8679 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
8680 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
8681 list node contains a semantic type.
8682 * src/symtab.c, src/symtab.h: Extend with a table that associates
8683 semantic types with their %destructor's and %printer's.
8684 (semantic_type_from_uniqstr, semantic_type_get,
8685 semantic_type_destructor_set, semantic_type_printer_set): New functions
8686 composing the public interface of that table.
8687 (symbol_destructor_get, symbol_destructor_location_get,
8688 symbol_printer_get, symbol_printer_location_get): If there's no
8689 per-symbol %destructor/%printer, look up the per-type before trying
8691 * tests/actions.at (Per-type %printer and %destructor): New test case.
8692 * tests/input.at (Default %printer and %destructor redeclared):
8693 Extend to check that multiple occurrences of %symbol-default in a
8694 single %destructor/%printer declaration is an error.
8695 (Per-type %printer and %destructor redeclared, Unused values with
8696 per-type %destructor): New test cases.
8698 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
8700 Require default %destructor/%printer to be declared using
8701 %symbol-default instead of an empty symbol list, and start working on
8702 new per-type %destructor/%printer. Discussed at
8703 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
8704 * NEWS (2.3+): Add %symbol-default to example.
8705 * bison.texinfo (Freeing Discarded Symbols): Likewise.
8706 (Table of Symbols): Add entry for %symbol-default.
8707 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
8708 (generic_symlist, generic_symlist_item): New nonterminals for creating
8709 a list in which each item is a symbol, semantic type, or
8711 (grammar_declaration): Use generic_symlist in %destructor and %printer
8712 declarations instead of symbols.1 or an empty list.
8713 (symbol_declaration, precedence_declaration, symbols.1): Update actions
8714 for changes to symbol_list.
8715 * src/reader.c: Update for changes to symbol_list.
8716 * src/scan-code.l: Likewise.
8717 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
8718 * src/symlist.c, src/symlist.h: Extend such that a list node may
8719 represent a semantic type or a %symbol-default in addition to just an
8720 ordinary symbol. Add switched functions for setting %destructor's and
8722 * tests/actions.at, tests/input.at: Add %symbol-default to all default
8723 %destructor/%printer declarations.
8725 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
8727 Whether the default %destructor/%printer applies to a particular symbol
8728 isn't a question of whether the user *declares* that symbol (in %token,
8729 for example). It's a question of whether the user by any means
8730 *defines* the symbol at all (by simply using a char token, for
8731 example). $end is defined by Bison whereas any other token with token
8732 number 0 is defined by the user. The error token is always defined by
8733 Bison regardless of whether the user declares it with %token, but we
8734 may one day let the user define error as a nonterminal instead.
8735 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
8736 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
8737 the meaning of "user-defined".
8738 * tests/actions.at (Default %printer and %destructor for user-declared
8739 end token): Rename to...
8740 (Default %printer and %destructor for user-defined end token): ...
8743 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
8744 computation of whether to apply the default, don't maintain a list of
8745 every Bison-defined symbol. Instead, just check for a first character
8746 of '$', which a user symbol cannot have, and check for the error token.
8748 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
8750 Don't apply the default %destructor or %printer to the error token,
8751 $undefined, or $accept. This change fits the general rule that the
8752 default %destructor and %printer are only for user-declared symbols,
8753 and it solves several difficulties that are described in the new test
8755 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
8756 * tests/actions.at (Default %printer and %destructor are not for error
8757 or $undefined, Default %printer and %destructor are not for $accept):
8760 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
8762 Allow %start after the first rule.
8763 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
8764 when parsing the first rule.
8765 (check_and_convert_grammar): Search for it here after all grammar
8766 declarations have been parsed. Skip midrules, which have dummy LHS
8768 * src/symtab.c (symbol_is_dummy): New function.
8769 * src/symtab.h (symbol_is_dummy): Declare it.
8770 * tests/input.at (%start after first rule): New test.
8772 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
8774 Redo some of the previous commit: add back the ability to use
8775 non-aliased/undeclared string literals since it might be useful to
8776 those declaring %token-table.
8777 * src/reader.c (check_and_convert_grammar): Undo changes in previous
8778 commit: don't worry about complaints from symbols_pack.
8779 * src/symtab.c (symbol_new, symbol_class_set,
8780 symbol_check_alias_consistency): Undo changes in previous commit: count
8781 each string literal as a new symbol and token, assign it a symbol
8782 number, and don't complain about non-aliased string literals.
8783 (symbols_pack): Since symbol_make_alias still does not decrement symbol
8784 and token counts but does still set aliased tokens to the same number,
8785 symbol_pack_processor now leaves empty slots in the symbols array.
8787 * tests/regression.at (Undeclared string literal): Remove test case
8788 added in previous commit since non-aliased string literals are allowed
8790 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
8791 remove unnecessary string literal declarations.
8792 * tests/sets.at (Firsts): Likewise.
8794 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
8796 Don't allow an undeclared string literal, but allow a string literal to
8797 be used before its declaration.
8798 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
8799 symbols_pack complained.
8800 * src/symtab.c (symbol_new): Don't count a string literal as a new
8802 (symbol_class_set): Don't count a string literal as a new token, and
8803 don't assign it a symbol number since symbol_make_alias does that.
8804 (symbol_make_alias): It's not necessary to decrement the symbol and
8805 token counts anymore. Don't assume that an alias declaration occurs
8806 before any uses of the identifier or string, and thus don't assert that
8807 one of them has the highest symbol number so far.
8808 (symbol_check_alias_consistency): Complain if there's a string literal
8809 that wasn't declared as an alias.
8810 (symbols_pack): Bail if symbol_check_alias_consistency failed since
8811 symbol_pack asserts that every token has been assigned a symbol number
8812 although undeclared string literals have not.
8813 * tests/regression.at (String alias declared after use, Undeclared
8814 string literal): New test cases.
8815 (Characters Escapes, Web2c Actions): Declare string literals as
8817 * tests/sets.at (Firsts): Likewise.
8819 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
8821 In the grammar scanner, STRING_FINISH unclosed constructs and return
8822 them to the parser in order to improve error messages.
8823 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
8824 SC_BRACED_CODE, SC_PROLOGUE): Implement.
8825 * tests/input.at (Unclosed constructs): New test case.
8826 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
8829 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
8832 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
8834 Handle string aliases for character tokens correctly.
8835 * src/symtab.c (symbol_user_token_number_set): If the token has an
8836 alias, check and set its alias's user token number instead of its own,
8837 which is set to indicate the alias. Previously, every occurrence of
8838 the character token in the grammar overwrote that alias indicator with
8840 * tests/input.at (String aliases for character tokens): New test.
8842 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
8844 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
8846 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
8848 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
8849 to prevent failures when building on older platforms.
8850 Check for autopoint failure.
8851 Set XGETTEXT_OPTIONS to values that check for C format strings,
8852 so that translators are warned about them (this also helps
8853 prevent core dumps).
8855 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
8856 function, since it simplifies our code a bit.
8858 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
8859 rather than -W, so we don't get bogus warnings about sign comparisons.
8860 Add -Wpointer-arith, since that warning is useful (it reports code
8861 that does not conform to C89 and that some compilers reject).
8862 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
8863 since it's no longer needed.
8865 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
8867 Clean up scanners a bit.
8868 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
8869 definitions so gcc won't warn when obstack_for_string is unused.
8870 * src/scan-code.l: config.h and system.h are already #include'd by
8871 scan-code-c.c, so get rid of them here.
8872 * src/scan-gram.l: Likewise.
8873 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
8874 definitions rather than duplicating the rest of it.
8875 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
8877 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
8879 Suppress signed/unsigned comparison warnings for yycheck.
8880 * data/c.m4 (b4_safest_int_type): New macro.
8881 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
8882 a signed int type, cast it to b4_safest_int_type first.
8883 * data/yacc.c: Likewise.
8884 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
8887 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
8889 * doc/bison.texinfo: Fix some typos.
8891 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
8893 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
8894 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
8896 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
8897 the latest gnulib does this a different way.
8898 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
8899 translation was patched, so stop omitting it.
8901 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
8903 Enable declaration of default %printer/%destructor. Make the parser
8904 use these for all user-declared grammar symbols for which the user does
8905 not declare a specific %printer/%destructor. Thus, the parser uses it
8906 for token 0 if the user declares it but not if Bison generates it as
8907 $end. Discussed starting at
8908 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
8909 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
8911 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
8912 * NEWS (2.3+): Mention.
8913 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
8914 declare a %destructor for a mid-rule's semantic value. It's just
8915 impossible to declare one specific to it.
8916 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
8917 code. Describe default %destructor form.
8918 * src/parse-gram.y (grammar_declaration): Parse default
8919 %printer/%destructor declarations.
8920 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
8921 and symbol_destructor_location_get rather than accessing the destructor
8922 and destructor_location members of struct symbol.
8923 (symbol_printers_output): Likewise but for %printer's.
8924 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
8926 * src/symtab.c (default_destructor, default_destructor_location,
8927 default_printer, default_printer_location): New static global
8928 variables to record the default %destructor and %printer.
8929 (symbol_destructor_get, symbol_destructor_location_get,
8930 symbol_printer_get, symbol_printer_location_get): New functions to
8931 compute the appropriate %destructor and %printer for a symbol.
8932 (default_destructor_set, default_printer_set): New functions to set the
8933 default %destructor and %printer.
8934 * src/symtab.h: Prototype all those new functions.
8935 * tests/actions.at (Default %printer and %destructor): New test to
8936 check that the right %printer and %destructor are called, that they're
8937 not called for $end, and that $$ and @$ work correctly.
8938 (Default %printer and %destructor for user-declared end token): New
8939 test to check that the default %printer and %destructor are called for
8940 a user-declared end token.
8941 * tests/input.at (Default %printer and %destructor redeclared, Unused
8942 values with default %destructor): New tests to check related grammar
8943 warnings and errors.
8945 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
8947 Clean up handling of %destructor for the end token (token 0).
8948 Discussed starting at
8949 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
8951 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
8953 Make the skeletons consistent in how they pop the end token and invoke
8955 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
8956 state, which has token number 0, since this would invoke the
8957 %destructor for the end token.
8958 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
8959 until after shifting the end token, or else it won't be popped.
8960 * data/yacc.c (yyparse): Likewise.
8962 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
8963 it's the end token. Upon termination, destroy an unshifted lookahead
8964 even when it's the end token.
8965 * data/lalr1.cc (yy::parser::parse): Likewise.
8966 * data/yacc.c (yyparse): Likewise.
8968 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
8969 value warnings for the end token when the user gives the end token a
8972 * tests/actions.at (Printers and Destructors): Test all the above.
8974 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
8976 Update to latest gnulib and gettext versions.
8977 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
8979 (gnulib_files): Add m4/warning.m4. Don't worry about files
8980 overwritten by autopoint.
8981 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
8982 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
8984 Don't use autoreconf; instead, invoke autopoint etc. by hand,
8985 so that we can remove the intl files at a better time.
8986 (intl_files_to_remove): Remove aclocal.m4, since it gets
8987 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
8988 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
8989 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
8990 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
8991 Remove datarootdir hack; no longer needed.
8992 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
8993 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
8994 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
8996 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
8997 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
8999 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
9001 * bootstrap: Adjust to today's change to gnulib-tool by invoking
9002 it with --assume-autoconf='latest-stable'.
9004 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
9006 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
9007 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
9009 * src/muscle_tab.h (muscle_grow): Replace the header comments with
9010 those from muscle_tab.c since the old ones are misleading.
9012 2006-07-13 Akim Demaille <akim@epita.fr>
9014 Support %define "KEY" {VALUE}.
9015 * src/scan-code.h, src/scan-code.l (translate_action)
9016 (translate_rule_action, translate_symbol_action, translate_code):
9017 Return char *, not const char *.
9018 * src/parse-gram.y (declaration): Rename as...
9019 (prologue_declaration): this.
9020 (string_content): Remove this nonterminal, use STRING.
9021 (braceless, content, content.opt): New nonterminal.
9023 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
9025 * src/scan-gram.l (getargs.h): Don't include it.
9027 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
9029 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
9030 rather than a for-loop that declares a local bool variable. This
9031 should work around a compatibility problem with a Cray x1e C++
9032 compiler reported by Hung Nguyen in
9033 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
9034 The for-loop was introduced in the 2004-11-17 change but I don't
9035 know why it was needed.
9037 2006-07-12 Akim Demaille <akim@epita.fr>
9039 * data/c.m4: Comment changes.
9041 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
9043 * src/complain.c (error_message, ERROR_MESSAGE): New.
9045 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
9046 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
9048 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
9050 * NEWS: Instead of %union, you can define and use your own union type
9051 YYSTYPE if your grammar contains at least one <type> tag.
9052 Your YYSTYPE need not be a macro; it can be a typedef.
9053 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
9054 (Union Decl, Decl Summary): Document this.
9055 * data/glr.c (YYSTYPE): Implement this.
9056 * data/glr.cc (YYSTYPE): Likewise.
9057 * data/lalr1.cc (YYSTYPE): Likewise.
9058 * data/yacc.c (YYSTYPE): Likewise.
9059 * src/output.c (prepare): Output tag_seen_flag.
9060 * src/parse-gram.y (declaration, grammar_declaration):
9061 Use 'union_seen' rather than 'typed' to determine whether
9062 %union has been seen, since grammars can now be typed without
9064 (symbol_declaration, type.opt, symbol_def):
9065 Keep track of whether a tag has been seen.
9066 * src/reader.c (union_seen, tag_seen): New vars.
9068 * src/reader.h (union_seen, tag_seen, typed): Likewise.
9069 * src/scan-code.l (untyped_var_seen): New variable.
9070 (handle_action_dollar): Adjust to above changes.
9071 (handle_action_dollar, handle_action_at):
9072 Improve overflow checking for outlandish numbers.
9073 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
9074 avoid new diagnostics generated by above changes.
9075 * tests/regression.at (YYSTYPE typedef): Add test to check
9076 for type tags without %union.
9078 * src/symlist.c (symbol_list_length): Return int, not unsigned
9079 int, since callers expect int. This may need to get revisited
9080 once we have proper integer overflow checking.
9082 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
9083 object is now static.
9085 * src/getargs.c (flags_argmatch): Return void, not int,
9086 to pacify ./configure --enable-gcc-warnings.
9088 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
9089 since last_string is already defined to FLEX_PREFIX (last_string).
9091 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
9093 Implement --warnings/-W.
9094 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
9096 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
9098 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
9099 (warnings_args, warnings_types): New.
9100 (getargs, short_options, long_options): Accept -W/--warnings.
9101 Sort the options by alphabetical order, upper case letter right
9102 before its lower case.
9104 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
9106 Change %merge result type clash warnings to errors. Discussed at
9107 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
9108 * src/reader.c (record_merge_function_type): Use complain_at.
9109 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
9110 declared later): Update test case results.
9112 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
9114 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
9115 to be in alphabetical order.
9116 (trace_args): Spelling fixes.
9118 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
9120 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
9121 so they don't collide with user-defined macros.
9122 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
9123 this was never guaranteed, and now that we're using gnulib stdint,
9124 which defines int_fast16_t to long int, the problem is exposed.
9126 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
9128 * data/c.m4 (b4_basename): Simplify a bit, since we don't
9129 need the full POSIX semantics (and weren't implementing them
9132 Adjust to Autoconf 2.60 and today's gnulib.
9133 * bootstrap (gnulib_modules): Add stdint.
9134 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
9135 no longer copies it.
9136 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
9137 since stdint needs the former and wcwidth (which is now required
9138 by mbswidth) needs the latter.
9139 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
9140 work around a compatibility glitch between gettext 0.14.6 and
9142 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
9143 Do not check for uintptr_t, since new stdint module does the right
9145 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
9146 Add stdint.h, stdint_.h, wcwidth.h.
9147 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
9148 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
9149 stdint.m4, wchar_t.m4, wcwidth.m4.
9150 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
9151 usual order for ../lib/*.h files.
9152 (file_name_split): Use last_component, not base_name, to adjust
9154 * src/parse-gram.h: Include <strverscmp.h> in the usual order
9155 for ../lib/*.h files.
9156 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
9157 Define unconditionally, since we now assume the stdint module.
9158 * src/scan-skel.l: Include <dirname.h>.
9159 (BASE_QPUTS): Use last_component, not base_name.
9160 * src/system.h: Include <unlocked-io.h> in the usual order
9161 for ../lib/*.h files. Include <stdint.h> unconditionally,
9162 since we now use the stdint module.
9163 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
9164 HAVE_UINTPTR_T, since we now use the stdint module.
9165 (base_name): Remove decl, since files now include <dirname.h>
9168 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
9170 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
9172 * data/yacc.c, data/glr.c, data/location.cc: Use them.
9173 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
9175 * tests/calc.at: Adjust.
9177 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
9179 * data/c.m4 (b4_basename): New.
9180 (b4_syncline): Also output the location of its invocation (from
9182 (b4_user_action, b4_define_user_action, b4_user_actions)
9183 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
9184 (b4_user_stype): New.
9185 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
9187 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
9189 In the grammar file, the first column is 1 not 0 on the first line as
9190 on every other line.
9191 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
9192 * tests/input.at (Torturing the Scanner): Update output.
9194 * src/scan-gram.l (scanner_cursor): Declare it static.
9196 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
9198 In warnings, say "previous declaration" rather than "first
9200 * src/symtab.c (redeclaration): Do that here.
9201 * src/reader.c (record_merge_function_type): In the case of a result
9202 type clash, report the previous declaration rather than the very first
9203 one in the grammar file.
9204 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
9205 declared later): Add a third declaration to check this behavior.
9206 * tests/input.at (Incompatible Aliases): Update output.
9208 2006-06-27 Akim Demaille <akim@epita.fr>
9210 * doc/Doxyfile.in: New.
9211 * doc/Makefile.am: Use it.
9212 * src/lalr.h, src/symtab.h: Initial doxygenation.
9214 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
9216 Don't miss %merge result type warnings just because the LHS types are
9217 declared after the %merge. This continues the effort of the previous
9219 * src/reader.c (get_merge_function): Don't set the merger type yet.
9220 (record_merge_function_type): New function for setting the merger type
9221 and checking for clashes.
9222 (grammar_current_rule_merge_set): Set the location of the %merge for
9224 (packgram): Invoke record_merge_function_type for each rule now that
9225 all symbol type declarations have been parsed.
9226 * src/reader.h (merger_list.type_declaration_location): New member
9227 storing the location of the first %merge from which the type for this
9228 merging function was derived.
9229 * src/symlist.h (symbol_list.merger_declaration_location): New member
9230 storing the location of a rule's %merge, if any.
9231 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
9232 declared later): New test to catch the error fixed by the above patch.
9234 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
9236 Get action warnings (grammar_rule_check) right even when symbol
9237 declarations appear after the rules. Discussed at
9238 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
9240 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
9241 Don't mistake the type of $$ in a midrule to be that of its parent
9243 * src/reader.c (grammar_current_rule_end): Don't invoke
9244 grammar_rule_check yet since not all symbol declarations may have been
9246 (grammar_midrule_action): Likewise.
9247 Don't record whether the midrule's $$ has been used yet since actions
9248 haven't been translated yet.
9249 Record the midrule's parent rule and its RHS index within the parent
9251 (grammar_current_rule_action_append): Don't translate the action yet
9252 since not all symbol declarations may have been parsed yet and, thus,
9253 warnings about types for $$, $n, @$, and @n can't be reported yet.
9254 (packgram): Translate the action and invoke grammar_rule_check now that
9255 all symbol declarations have been parsed.
9256 * src/scan-code.l (handle_action_dollar): Now that this is invoked
9257 after parsing the entire grammar file, the symbol list here in the case
9258 of a midrule is actually the midrule's empty RHS, so reference its
9259 parent rule's RHS where necessary.
9260 On the other hand, now that you can already know it's a midrule, you
9261 aren't forced to think $$ has the same type as its parent rule's $$.
9262 (handle_action_at): In the case of a midrule, reference the parent rule
9264 * src/symlist.c (symbol_list_new): Initialize new midrule-related
9266 (symbol_list_length): Now that this is invoked after all rules have
9267 been parsed, a NULL symbol (rather than a NULL symbol list node)
9268 terminates a rule. symbol_list_print already does this correctly.
9269 * src/symlist.h (symbol_list.midrule_parent_rule,
9270 symbol_list.midrule_parent_rhs_index): New members so that midrules can
9271 remember their relationships with their parents.
9272 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
9273 fixed by the above patch.
9274 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
9276 (Unused values): ... this old test case and...
9277 (Unused values before symbol declarations): ... this new test case.
9278 This one is the same as `Unused values' except that all symbol
9279 declarations appear after the rules in order to catch the rest of the
9280 errors fixed by the above patch.
9282 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
9285 * src/reader.c (current_rule): Declare it static since it's no longer
9286 used outside this file.
9287 (grammar_current_rule_action_append): Remove redundant arguments from
9288 translate_rule_action invocation.
9289 * src/reader.h (current_rule): Remove this unused extern.
9290 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
9291 * src/scan-code.l (translate_rule_action): Likewise.
9293 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
9295 Clean up yesterday's patch.
9296 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
9298 * src/reader.c (grammar_current_rule_action_append): ... here for
9299 consistency with grammar_current_rule_symbol_append.
9300 * tests/regression.at (Braced code in declaration in rules section):
9301 Make yyerror and yylex static as usual.
9303 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
9305 Fix bug that mistakes braced code in a declaration in the rules section
9306 to be a rule action. Mentioned at
9307 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
9308 * src/scan-gram.l: Move midrule action detection from the start of the
9309 scanning of any braced code to...
9310 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
9311 action. For readability, use $2 and @2 rather than the equivalent
9313 * tests/regression.at (Braced code in declaration in rules section):
9314 New test to catch the error fixed by the above patch.
9316 Work on code readability some.
9317 * src/scan-code.l (current_rule): Get rid of this misleading and
9318 redundant declaration: it's actually extern'ed in reader.h.
9319 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
9320 translate_action): Add a rule argument and use it instead of the global
9322 (translate_rule_action): This already receives current_rule through an
9323 argument, so pass it on to translate_action instead of assigning
9324 current_rule to current_rule.
9325 (translate_symbol_action, translate_code): Pass rule = NULL to
9328 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
9330 Rename %before-definitions to %start-header and %after-definitions to
9331 %end-header. Don't use these declarations to separate pre-prologue
9332 blocks from post-prologue blocks. Add new order-independent
9333 declarations %before-header and %after-header as alternatives to the
9334 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
9335 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
9336 * NEWS (2.3+): Update for these changes.
9337 * data/glr.c (b4_before_definitions): Update to...
9338 (b4_start_header): ... this.
9339 (b4_after_definitions): Update to...
9340 (b4_end_header): ... this.
9341 * data/glr.cc: Likewise.
9342 * data/lalr1.cc: Likewise.
9343 * data/yacc.c: Likewise.
9344 * doc/bison.texinfo (The prologue): Update names, and replace remaining
9345 prologue blocks with %*-header declarations.
9346 (Calc++ Parser): Likewise.
9347 (Decl Summary): Update names.
9348 (Table of Symbols): Update description.
9349 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
9350 (PERCENT_END_HEADER): ... this.
9351 (PERCENT_BEFORE_DEFINITIONS): Update to...
9352 (PERCENT_START_HEADER): ... this.
9353 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
9354 (declaration): Update token names and m4 macro names.
9355 When parsing %end-header and %start-header, invoke translate_code
9356 before muscle_code_grow, and no longer set global booleans to remember
9357 whether these declarations have been seen.
9358 Parse new %after-header and %before-header.
9359 * src/reader.c (before_definitions, after_definitions): Remove.
9360 (prologue_augment): Accept a new bool argument to specify whether to
9361 augment the pre-prologue or post-prologue.
9362 * src/reader.h (before_definitions, after_definitions): Remove these
9364 (prologue_augment): Add new bool argument.
9365 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
9366 (PERCENT_END_HEADER): ... this.
9367 (PERCENT_BEFORE_DEFINITIONS): Update to...
9368 (PERCENT_START_HEADER): ... this.
9369 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
9370 * tests/actions.at (Printers and Destructors): Update names.
9372 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
9374 Add comparison operators for C++ location classes. Discussed at
9375 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
9376 * data/c++.m4 (b4_define_location_comparison): New boolean %define
9377 declaration indicating whether filename_type has an operator==. If
9378 filename_type is `std::string', it defaults to `1', `0' otherwise.
9379 * data/location.cc: Iff b4_define_location_comparison is `1', add
9380 operator== and operator!= for class position and for class location.
9383 * src/scan-action.l: Remove unused file.
9384 * src/symtab.c (symbol_printer_set): Use printer_location not
9385 destructor_location.
9386 * src/symtab.h (struct symbol): Replace incorrect source comment for
9388 * tests/input.at (Incompatible Aliases): Update output with correct
9391 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
9393 Don't put the pre-prologue in the header file. For the yacc.c code
9394 file and the glr.c header and code files, move the pre-prologue before
9395 the token definitions. Add new %before-definitions and
9396 %after-definitions to declare code that will go in both the header file
9397 and code file. Discussed at
9398 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
9399 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
9401 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
9402 * NEWS (2.3+): Describe these changes.
9403 * data/glr.c (b4_pre_prologue): Move from within to before...
9404 (b4_shared_declarations): ... this.
9405 Add new b4_before_definitions before b4_token_enums.
9406 Add new b4_after_definitions at the end.
9407 * data/glr.cc (b4_pre_prologue): Replace with...
9408 (b4_before_definitions): ... this in the header file.
9409 (b4_after_definitions): New near the end of the header file.
9410 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
9411 code file right before including the header file.
9412 (b4_before_definitions): New in the previous position of
9413 b4_pre_prologue in the header file.
9414 (b4_after_definitions): New near the end of the header file.
9415 * data/yacc.c: Clean up some m4 quoting especially in the header file.
9416 (b4_token_enums_defines): In the code file, move to right before
9417 YYSTYPE for consistency with the header file.
9418 (b4_before_definitions): New right before b4_token_enums_defines in
9419 both the header and code file.
9420 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
9421 header and code file.
9422 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
9423 of prologues for %union dependencies.
9424 (Decl Summary): In %defines description, mention the effect of
9425 %before-definitions and %after-definitions on the header file.
9426 (Calc++ Parser): Forward declare driver in a %before-definitions rather
9427 than in the pre-prologue so that make check succeeds.
9428 (Table of Symbols): Add entries for %before-definitions and
9430 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
9431 %before-definitions.
9432 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
9433 (declaration): Parse those declarations and append to
9434 b4_before_definitions and b4_after_definitions, respectively.
9435 * src/reader.c (before_definitions, after_definitions): New bools to
9436 track whether those declarations have been seen.
9437 (prologue_augment): Add to the post-prologue if %union,
9438 %before-definitions, or %after-definitions has been seen.
9439 * src/reader.h (before_definitions, after_definitions): New extern's.
9440 * src/scan-gram.l: Scan the new declarations.
9441 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
9442 prologue block in a %before-definitions or a %after-definitions based
9443 on whether the %union is declared.
9444 * tests/regression.at (Early token definitions with --yacc, Early token
9445 definitions without --yacc): Move tests for token definitions into the
9446 post-prologue since token names are no longer defined in the
9449 2006-06-20 Akim Demaille <akim@epita.fr>
9451 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
9452 (symbol_get): Use it.
9453 * src/parse-gram.y: Use it.
9455 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
9457 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
9458 build succeeds when configured with --enable-gcc-warnings.
9460 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
9462 * src/parse-gram.y (char_name): New function.
9463 (CHAR, STRING, string_content): For %printer, properly escape.
9464 (ID): Prefer fputs to fprintf.
9465 (id): Reindent to be consistent with other rules.
9466 Properly quote char.
9468 The Translation Project changed its way of publishing translations
9469 to maintainers. I haven't received any responses to my request
9470 for supporting the old way, or for documenting the new way. I
9471 have modified 'bootstrap' to use screen scraping
9472 (in this case, HTML scraping). This is unreliable and inelegant,
9473 but I don't see any better way. Yuck.
9474 * bootstrap (TP_URL, WGET_COMMAND): New vars.
9475 (get_translations): New function, which uses HTML scraping to
9476 deduce locations of latest translations.
9477 Use this function to grab both bison and bison-runtime .po files.
9478 Don't bother priming the pump for the runtime-po domain any more,
9479 as it's now translated better than bison is.
9481 2006-06-19 Akim Demaille <akim@epita.fr>
9483 * src/scan-gram.l: No longer "parse" things after `%union' until
9484 `{'. Rather, return a single "%union" token.
9485 No longer make symbols: return strings, and leave the conversion
9486 to symbols to the parser.
9487 (SC_PRE_CODE, token_type): Remove.
9488 * src/parse-gram.y (%union): New field `character'.
9491 (ID, ID_COLON): Now that the scanner no longer makes them
9492 identifiers, adjust all uses to invoke symbol_get.
9493 (id_colon): New, wraps the conversion from string to symbol.
9494 (%union): Accept a possible union_name.
9495 (symbol): Now can be a char.
9496 * data/c.m4 (b4_union_name): Leave a default value.
9497 * data/glr.c, data/yacc.c: Use it.
9499 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
9501 For associating token numbers with token names for "yacc.c", don't use
9502 #define statements unless `--yacc' is specified; always use enum
9503 yytokentype. Most important discussions start at:
9504 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
9505 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
9507 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
9508 * NEWS (2.3+): Mention.
9509 * data/c.m4 (b4_yacc_if): New.
9510 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
9512 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
9513 on token name definitions.
9514 * src/getargs.c (usage): Capitalize `Yacc' in English.
9515 * src/output.c (prepare): Define b4_yacc_flag.
9516 * tests/regression.at (Early token definitions): Test that tokens names
9517 are defined before the pre-prologue not just before the post-prologue.
9518 Remove this test case and copy to...
9519 (Early token definitions with --yacc): ... this to test #define's.
9520 (Early token definitions without --yacc): ... and this to test enums.
9522 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
9524 * NEWS: Reword the post-2.3 change to not be so optimistic about
9525 removing the old "look-ahead" spelling.
9526 Update previous look-ahead/lookahead change reports.
9527 * REFERENCES: look-ahead -> lookahead (since that's
9528 what he actually wrote).
9529 * doc/refcard.tex: look ahead -> lookahead,
9530 look-ahead -> lookahead
9532 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
9534 For consistency, use `lookahead' instead of `look-ahead' or
9535 `look_ahead'. Discussed starting at
9536 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
9538 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
9539 * NEWS: For the next release, note the change to `--report'.
9540 * TODO, doc/bison.1: Update English.
9541 * doc/bison.texinfo: Update English.
9542 (Understanding Your Parser, Bison Options): Document as
9543 `--report=lookahead' rather than `--report=look-ahead'.
9544 * src/conflicts.c: Update English in comments.
9545 (lookahead_set): Rename from look_ahead_set.
9546 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
9547 (resolve_sr_conflict): Rename local look_ahead_tokens to
9548 lookahead_tokens, and update other uses.
9549 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
9550 count_rr_conflicts, conflicts_free): Update uses.
9551 * src/getargs.c (report_args): Move "lookahead" before alternate
9553 (report_types): Update uses.
9554 (usage): For `--report' usage description, state `lookahead' spelling
9555 rather than `look-ahead'.
9556 * src/getargs.h (report.report_lookahead_tokens): Rename from
9557 report_look_ahead_tokens.
9558 * src/lalr.c: Update English in comments.
9559 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
9560 (state_lookahead_tokens_count): Rename from
9561 state_look_ahead_tokens_count.
9562 Rename local n_look_ahead_tokens to n_lookahead_tokens.
9563 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
9564 Rename local n_look_ahead_tokens to n_lookahead_tokens.
9566 Update English in output.
9567 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
9568 * src/print.c: Update English in comments.
9569 (lookahead_set): Rename from look_ahead_set.
9570 (print_reduction): Rename argument lookahead_token from
9572 (print_core, state_default_rule, print_reductions, print_results):
9574 * src/print_graph.c: Update English in comments.
9575 (print_core): Update uses.
9576 * src/state.c: Update English in comments.
9577 (reductions_new): Update uses.
9578 (state_rule_lookahead_tokens_print): Rename from
9579 state_rule_look_ahead_tokens_print, and update other uses.
9580 * src/state.h: Update English in comments.
9581 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
9582 (state_rule_lookahead_tokens_print): Rename from
9583 state_rule_look_ahead_tokens_print.
9584 * src/tables.c: Update English in comments.
9585 (conflict_row, action_row): Update uses.
9586 * tests/glr-regression.at
9587 (Incorrect lookahead during deterministic GLR,
9588 Incorrect lookahead during nondeterministic GLR): Rename
9589 print_look_ahead to print_lookahead.
9590 * tests/torture.at: Update English in comments.
9591 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
9592 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
9593 (Many lookahead tokens): Update uses.
9594 * data/glr.c: Update English in comments.
9595 * lalr1.cc: Likewise.
9597 * src/conflicts.h: Likewise.
9598 * src/lalr.h: Likewise.
9599 * src/main.c: Likewise.
9600 * src/output.c: Likewise.
9601 * src/parse-gram.c: Likewise.
9602 * src/tables.h: Likewise.
9603 * tests/calc.at: Likewise.
9605 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
9607 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
9609 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
9611 * TODO: Add request from Nelson H. F. Beebe to be able to install
9612 Bison without installing the yacc script.
9614 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
9616 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
9617 and yytext if they're already #define'd.
9618 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
9619 * src/scan-code-c.c: ... here.
9620 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
9623 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
9625 Get Bison to build again when configured with --enable-gcc-warnings.
9626 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
9628 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
9629 loc argument as it shadows a global.
9630 * src/scan-gram.l: Remove stray comma that prevents boundary_set
9633 * src/.cvsignore: Add scan-code.c.
9635 2006-06-07 Akim Demaille <akim@epita.fr>
9637 * src/scan-gram.l: Move the "add a trailing ; to actions" code
9639 * src/scan-code.l: here.
9640 * tests/input.at (Torturing the Scanner): Fix another location
9643 2006-06-07 Akim Demaille <akim@epita.fr>
9645 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
9647 2006-06-06 Akim Demaille <akim@epita.fr>
9649 Extract the parsing of user actions from the grammar scanner.
9650 As a consequence, the relation between the grammar scanner and
9651 parser is much simpler. We can also split "composite tokens" back
9653 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
9654 * src/scan-gram.l (add_column_width, adjust_location): Move to and
9656 * src/location.h, src/location.c (add_column_width)
9657 (location_compute): these.
9658 Fix the column count: the initial column is 0.
9659 (location_print): Be robust to ending column being 0.
9660 * src/location.h (boundary_set): New.
9661 * src/main.c: Adjust to scanner_free being renamed as
9663 * src/output.c: Include scan-code.h.
9664 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
9666 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
9667 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
9668 which is now, again, a separate token.
9669 Adjust all dependencies.
9670 Whereever actions with $ and @ are used, use translate_code.
9671 (action): Remove this nonterminal which is now useless.
9672 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
9673 (grammar_current_rule_action_append): Use translate_code.
9674 (packgram): Bound check ruleno, itemno, and rule_length.
9675 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
9676 (last_string, last_braced_code_loc, max_left_semantic_context)
9677 (scanner_initialize, scanner_free, scanner_last_string_free)
9678 (gram_out, gram_lineno, YY_DECL_): Move to...
9679 * src/scan-gram.h: this new file.
9680 (YY_DECL): Rename as...
9682 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
9683 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9684 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9685 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9686 Move these declarations, and...
9687 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
9689 * src/flex-scanner.h: this new file.
9690 * src/scan-gram.l (rule_length, rule_length_overflow)
9691 (increment_rule_length): Remove.
9692 (last_braced_code_loc): Rename as...
9693 (gram_last_braced_code_loc): this.
9694 Adjust to the changes of the parser.
9695 Move all the handling of $ and @ into...
9696 * src/scan-code.l: here.
9697 * src/scan-gram.l (handle_dollar, handle_at): Remove.
9698 (handle_action_dollar, handle_action_at): Move to...
9699 * src/scan-code.l: here.
9700 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
9701 scan-code.h, scan-code-c.c, scan-gram.h.
9702 (EXTRA_bison_SOURCES): Add scan-code.l.
9703 (BUILT_SOURCES): Add scan-code.c.
9704 (yacc): Be robust to white spaces.
9706 * tests/conflicts.at, tests/input.at, tests/reduce.at,
9707 * tests/regression.at: Adjust the column numbers.
9708 * tests/regression.at: Adjust the error message.
9710 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
9712 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
9713 Use Akim's wording from
9714 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
9716 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
9718 Between Bison releases, manually append `+' to the previous Bison
9719 release number, and use that as a signal to automatically print the
9720 ChangeLog's CVS Id keyword from --version. Discussed starting at
9721 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
9722 * ChangeLog: Add Id header.
9723 * configure.ac (AC_INIT): Append `+' to `2.3'.
9724 * src/.cvsignore: Add revision.c.
9725 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
9726 (BUILT_SOURCES): Add revision.c.
9727 (revision.c): New target rule. This file defines a new global variable
9728 named revision. It initializes it with either the Id from ChangeLog
9729 or, if VERSION doesn't contain `+', with the empty string.
9730 * src/getargs.c (version): Print the value of revision.
9731 * src/revision.h: Extern revision.
9733 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
9735 * NEWS: Version 2.3.
9736 * configure.ac (AC_INIT): Likewise.
9738 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
9740 * data/glr.c (YYRECOVERING): Define to be a function-like macro
9741 with no arguments, not as an object-like macro. This is for
9742 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
9743 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
9744 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
9747 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
9749 * src/getargs.c (usage): Back out yesterday's modification of the
9750 --help output so that we don't have to wait for translation before
9753 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
9755 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
9756 Problem reported by Akim Demaille.
9758 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
9760 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
9762 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
9764 * data/yacc.c (yy_reduce_print): Omit trailing white space in
9765 generated source code. Problem reported by Frans Englich in
9766 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
9768 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
9770 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
9771 shell, not within 'make', so that 'make' by an ordinary builder
9772 (using GNU make) does not worry about configuring gzip. This also
9773 works around a bug reported independently by Keith Thompson and by
9774 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
9775 stderr rather than stdout, messing up the build logs.
9777 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
9779 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
9780 to make sure that YYID will never be unused. This fixes a 'make
9781 maintainer-check' failure caused by the recent changes to the 'Trivial
9782 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
9784 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
9786 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
9788 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
9789 state before an empty RHS is always resolved here. Only the location
9790 of that state is guaranteed to be resolved, and that's enough. This
9791 fixes the remaining bug reported by Derek M. Jones in
9792 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
9793 * tests/glr-regression.at (Uninitialized location when reporting
9794 ambiguity): Test the above case.
9795 Also, the embedded comments in this test case claim it checks the case
9796 of an empty RHS that has inherited the initial location. However, the
9797 corresponding LHS was already resolved, so yyresolveLocations didn't
9798 actually have reason to modify it. Fix this by forcing
9799 nondeterministic operation at the beginning of the parse.
9801 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
9803 * data/c.m4 (b4_yy_symbol_print_generate):
9804 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
9805 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
9806 of the bugs reported today by Derek M Jones in
9807 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
9808 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
9809 defined to be a type name without parens or brackets.
9810 (Location Type): Similarly for YYLTYPE.
9811 * tests/regression.at (Trivial grammars): Put in a test for this
9812 bug that will be caught by 'make maintainer-check' (though not,
9813 alas, by 'make check' unless your compiler is picky).
9815 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
9817 * NEWS: Version 2.2.
9818 * configure.ac (AC_INIT): Likewise.
9820 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
9822 * data/glr.c (yyreportTree): Make room in yystates for the state
9823 preceding the RHS. This fixes the segmentation fault reported by Derek
9825 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
9826 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
9827 to the user. Reported for yyreportTree by Derek M. Jones later in the
9829 * THANKS: Add Derek M. Jones.
9830 Update my email address.
9831 Fix typo in Steve Murphy's name.
9833 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
9835 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
9836 checking against YYLAST that caused the parser to miss a potential
9837 alternative in its diagnostic.
9838 Problem reported by Maria Jose Moron Fernandez in
9839 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
9840 * data/lalr1.cc (yysyntax_error_): Likewise.
9841 * data/yacc.c (yysyntax_error): Likewise.
9842 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
9843 tokens, in case we run into an older C compiler.
9844 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
9845 Use them to check for the off-by-one error fixed above.
9847 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
9848 YYSIZE_T, not size_t.
9849 * tests/regression.at (Trivial grammars): New test, to catch
9850 the error fixed by the above patch.
9852 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
9854 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
9856 Reported by Steve Murphy.
9858 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
9860 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
9861 * data/glr.cc: b4_location_flag is now b4_locations_flag.
9863 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
9865 Implement --trace=m4.
9866 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
9867 * src/output.c (output_skeleton): When set, pass -dV to m4.
9869 Factor the handling of flags in m4.
9870 * src/output.c (prepare): Rename the muscle names debug, defines,
9871 error_verbose to debug_flag, defines_flag, error_verbose_flag.
9872 * data/c.m4: Adjust.
9873 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
9874 Use b4_define_flag_if to define other b4_FLAG_if macros.
9875 (b4_location_if): As a consequence, rename as...
9876 (b4_locations_if): this, for consistency.
9877 Adjust all the skeletons.
9879 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
9881 * etc/bench.pm: Shorten bench names.
9883 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
9885 * src/output.h, src/output.c (error_verbose): Move to...
9886 * src/getargs.h, src/getargs.c: here.
9888 Adjust dependencies.
9890 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
9892 * data/c.m4 (b4_copyright): Put the special exception for Bison
9893 skeletons here, so we don't have to put it in each skeleton. All
9894 uses changed. Suggested by Akim Demaille. Also, wrap the
9895 copyright notice, in case it is longer than 80 columns. Replace
9896 comma by newline after title.
9898 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
9900 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
9901 incompatibility, not a bug. Mention that it wasn't fixed as of
9904 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
9906 * examples/extexi: Enforce the precedence of concatenation over
9908 Reported by Tommy Nordgren.
9910 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
9912 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
9913 with the member "token".
9914 Reported by Martin Nylin.
9916 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
9918 * data/glr.c: Switch to Bison 2.2 special-exception language in
9919 the copyright notice. Use more-regular format for titles and
9921 * data/glr.cc: Likewise.
9922 * data/location.cc: Likewise.
9923 * data/yacc.cc: Likewise.
9924 * doc/bison.texinfo (Conditions): Document this.
9925 * NEWS: likewise. Upgrade version to 2.2.
9927 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
9929 * data/glr.cc: Remove dead code.
9931 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
9933 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
9934 that variable and the line breaks the bootstrap. Problem reported
9935 by Juan M. Guerrero.
9937 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
9939 * doc/bison.texinfo (Multiple start-symbols): New.
9941 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
9943 * etc/README, etc/bench.pl: New.
9945 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
9947 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
9949 Reported by Mickael Labau.
9950 * tests/input.at (Torturing the Scanner): Test it.
9952 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
9954 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
9955 Problem reported by Bob Rossi.
9957 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
9959 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
9960 and didn't really work.
9961 For the index, use @ifnotinfo, not @iftex.
9962 Minor cleanups of spacing and terminology.
9964 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
9966 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
9967 of AT_NAME_PREFIX when %name-prefix is not used.
9969 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
9971 Apply --prefix to C++ skeletons too: they change the namespace.
9972 The test suite already exercize these cases.
9973 * data/c++.m4 (b4_namespace): New.
9974 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
9975 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
9976 * data/yacc.c, data/glr.c: Remove a useless `[]'.
9977 * doc/bison.texinfo: Document it.
9978 (Option Cross Key): Use @multitable in all formats. It looks
9979 nicer, even in TeX outputs.
9980 (Rules): Use the same code whatever the output type is.
9981 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
9982 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
9983 * tests/calc.at: Use it, instead of hard coding `yy'.
9985 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
9987 * TODO: Remove dead items.
9989 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
9991 * doc/FAQ: Remove, merged into...
9992 * doc/bison.texinfo (FAQ): this.
9993 * doc/Makefile.am (EXTRA_DIST): Adjust.
9995 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
9997 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
9999 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
10000 * doc/bison.texinfo (Calc++ Scanner): Use it.
10002 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
10004 Fix two nits reported by twlevo, plus one more that I discovered.
10006 * src/assoc.h (assoc_to_string): Give a name to the arg, as
10007 this is the usual Bison style.
10008 * src/location.h (location_print): Likewise.
10010 * src/reader.h (token_name): Likewise.
10012 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
10014 Fix some nits reported by twlevo.
10015 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
10016 and "POSIX". Use more-modern syntax for URLs. Mention C++
10017 and ask for Java. Don't hardwire OS version numbers. Add
10019 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
10020 * src/conflicts.c (solved_conflicts_obstack): Now static.
10022 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
10024 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
10025 page. Say "you can use it" not "you may use it" as on the web page;
10026 we're describing capabilities not granting permission.
10028 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
10030 * data/glr.c (yyresolveLocations): Rename local variables to avoid
10031 shadowing warnings. Use usual patter for iterating through RHS.
10032 * tests/glr-regression.at
10033 (Uninitialized location when reporting ambiguity):
10034 Modify yylex so that it uses its argument, rather than trying
10035 to rely on ARGSUSED (which doesn't work for gcc with warnings).
10036 const char -> char const.
10038 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
10039 Don't use tabs inside commands; it messes up 'ps'.
10040 Problem reported by twlevo.
10042 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
10044 * tests/glr-regression.at (Uninitialized location when reporting
10045 ambiguity): New test case.
10046 * data/glr.c (yyresolveLocations): New function, which uses
10048 (yyresolveValue): Invoke yyresolveLocations before reporting an
10050 * doc/bison.texinfo (Default Action for Locations): Note
10051 YYLLOC_DEFAULT's usage for ambiguity locations.
10052 (GLR Semantic Actions): Cross-reference those notes.
10054 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
10056 * tests/glr-regression.at (Leaked semantic values when reporting
10057 ambiguity): Remove unnecessary union and type declarations.
10058 (Leaked lookahead after nondeterministic parse syntax error): New test
10060 * data/glr.c (yyparse): Check for zero stacks remaining before
10061 attempting to shift the lookahead so that you don't lose it.
10063 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
10065 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
10066 * tests/glr-regression.at (Leaked semantic values when reporting
10067 ambiguity): New test case.
10068 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
10069 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
10070 now unnecessary yystackp parameter.
10071 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
10072 destructors can be called.
10074 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
10075 in existing testcases.
10077 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
10079 Don't leak semantic values for parent RHS when a user action cuts the
10080 parser, and clean up related code a bit.
10081 * tests/glr-regression.at (Leaked merged semantic value if user action
10082 cuts parse): Rename to...
10083 (Leaked semantic values if user action cuts parse): ... this. Add check
10084 for leaked parent RHS values.
10085 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
10086 between an unresolved state (non-empty chain of semantic options) and
10087 an incomplete one (signaled by an empty chain).
10088 (yyresolveStates): Document the interface. Move all manipulation of a
10089 successfully or unsuccessfully resolved yyGLRState to...
10090 (yyresolveValue): ... here so that yyresolveValue always leaves a
10091 yyGLRState with consistent data and thus is easier to understand.
10092 Remove the yyvalp and yylocp parameters since they are always just
10093 taken from the yys parameter. When reporting a discarded merged value
10094 in debugging output, note that it is incompletely merged. Document the
10096 (yyresolveAction): If resolving any of the RHS states fails, destroy
10097 them all rather than leaking them. Thus, as long as user actions are
10098 written to clean up the RHS correctly, yyresolveAction always cleans up
10099 the RHS of a semantic option. Document the interface.
10101 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
10103 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
10104 led to a segmentation fault in GNU Pascal. Problem reported
10107 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
10109 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
10110 mid-rule action inside a nonterminal symbol in order to declare a
10111 destructor for its semantic value.
10113 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
10115 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
10116 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
10117 __cplusplus && ! defined _STDLIB_H && !
10118 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
10119 defined free))]: Include <stdlib.h> rather than rolling our own
10120 declarations of malloc and free, to avoid problems with
10121 incompatible declarations (using 'throw') C++'s stdlib.h. This
10122 should fix Debian bug 340012
10123 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
10124 reported by Guillaume Melquiond.
10126 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
10128 * NEWS: Clarify symbols versus types in unused-value warnings.
10130 * configure.ac (AC_INIT): Bump version number.
10132 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
10134 * NEWS: Version 2.1a.
10135 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
10136 since C99 requires this.
10138 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
10140 * m4/c-working.m4: New file.
10141 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
10143 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
10145 * Makefile.maint: Merge from coreutils.
10147 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
10149 More portability fixes for problems summarized by Nelson H. F. Beebe.
10151 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
10152 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
10153 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
10154 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
10155 messes up because C++ code is compiled in 32-bit mode but linked
10158 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
10160 More portability fixes for problems summarized by Nelson H. F. Beebe.
10162 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
10163 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
10165 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
10166 nodist_PROGRAMS, since we don't need to actually compile the
10167 example if we're just doing a plain 'make'. This avoids bothering
10168 the installer unnecessarily about problems due to weird C++
10171 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
10173 More portability fixes for problems summarized by Nelson H. F. Beebe.
10175 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
10176 than #include "...", and compile with -I'.'. The old method was
10177 not portable, according to Posix and the C standard, and it does
10178 not work with Sun C 5.7, where previous #line directives affect
10179 the working directory used in later #include "..." directives.
10181 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
10183 Various DJGGP specific issues in /djgpp
10185 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
10187 More portability fixes for problems summarized by Nelson H. F. Beebe.
10189 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
10190 '#include <map>' works and that you can apply ++ to iterators.
10192 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
10194 Work around portability problems summarized by Nelson H. F. Beebe in
10195 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
10197 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
10198 that '#include <string>' works.
10200 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
10201 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
10202 "warning: sorry: semantics of inline function static data `const
10203 unsigned char translate_table[262]' are wrong (you'll wind up with
10206 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
10207 or, xor to not_, and_, or_, and xor_, respectively. This works
10208 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
10209 random system header somewhere that includes the equivalent of
10212 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
10213 -E" works; it apparently doesn't work with PathScale EKO Compiler
10216 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
10218 During deterministic GLR operation, user actions should be able to
10219 influence the parse by changing yychar. To make this easier to fix and
10220 to make glr.c easier to evolve in general, don't maintain yytoken in
10221 parallel with yychar; just compute yytoken when needed.
10222 * tests/glr-regression.at (Incorrect lookahead during deterministic
10223 GLR): Check that setting yychar in a user action has the intended
10225 * data/glr.c (yyGLRStack): Remove yytokenp member.
10226 (yyclearin): Don't set *yytokenp.
10227 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
10228 yychar rather than *yytokenp to determine the current lookahead.
10229 Compute yytoken locally when needed.
10230 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
10233 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
10234 after `--report' documentation.
10236 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
10238 * src/parse-gram.y (grammar_declaration): Location of printer
10239 symbol is @1, not list->location. Bug reported by twlevo.
10240 * tests/input.at (Incompatible Aliases): Adjust to above change.
10242 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
10244 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
10245 all the test at once. This makes the output easier to read in the
10248 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
10249 got from <http://bro-ids.org/download.html>. The bug is that
10250 when two actions appeared in succession, the second one was
10251 scanned before the first one was added to the grammar rule
10252 as a midrule action. Bison then output the incorrect warning
10253 "parse.y:905.17-906.36: warning: unused value: $3".
10254 * src/parse-gram.y (BRACED_CODE, action): These are no longer
10255 associated with a value.
10256 (rhs): Don't invoke grammar_current_rule_action_append.
10257 (action): Invoke it here instead.
10258 * src/reader.c (grammar_midrule_action): Now extern.
10259 (grammar_current_rule_action_append): Don't invoke
10260 grammar_midrule_action; that is now the scanner's job.
10261 * src/reader.h (last_string, last_braced_code_loc):
10262 (grammar_midrule_action): New decls.
10263 * src/scan-gram.l (last_string): Now extern, sigh.
10264 (last_braced_code_loc): New extern variable.
10265 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
10266 rule already has an action.
10267 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
10268 * tests/input.at (AT_CHECK_UNUSED_VALUES):
10269 Add some tests to check that the above changes fixed the bug.
10271 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
10273 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
10274 All used changed. Check whether the symbol has a destructor,
10275 not whether it is typed.
10276 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
10277 that the values are still reported as unused. All line numbers
10280 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
10282 Work around a bug in bro 0.8, which underparenthesizes its
10283 definition of YYLLOC_DEFAULT.
10284 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
10286 * data/lalr1.cc: Likewise.
10287 * data/yacc.cc: Likewise.
10289 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
10291 Work around a bug in Pike 7.0, and give the Pike folks a
10292 better way to override the usual int widths.
10293 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
10294 user can override the types.
10295 (short): #undef, to work around a bug in Pike 7.0.
10296 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
10297 (union yyalloc.yyss): Use yytype_int16 rather than short.
10299 (yysigned_char): Remove.
10300 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
10301 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
10302 * tests/regression.at (Web2c Actions): Adjust to above changes.
10304 * src/reader.c (check_and_convert_grammar): New function.
10305 (reader): Close the input file even if something went wrong during
10306 parsing. Minor file descriptor leak reported by twlevo.
10308 * src/assoc.c (assoc_to_string): Use a default: abort (); case
10309 to pacify gcc -Wswitch-default.
10310 * src/scan-gram.l (adjust_location): Use a default: break; case
10311 to pacify gcc -Wswitch-default.
10312 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
10313 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
10314 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
10315 Move these decls to scan-skel.l, since they don't need to be
10317 * src/scan-skel.l: Accept the above decls.
10318 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
10321 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
10323 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
10324 since we don't want to insist on a version number at the start
10325 of the changelog every time.
10326 * Makefile.maint: Sync from coreutils a bit better.
10327 (sc_trailing_blank): Renamed from sc_trailing_space.
10329 (sc_no_if_have_config_h, sc_require_config_h):
10330 (sc_prohibit_assert_without_use): New rules.
10331 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
10332 (sc_dd_max_sym_length): Fix leading spaces in rule.
10333 (sc_system_h_headers): Prefix with @.
10334 (sc_useless_cpp_parens, m4-check): Output line numbers.
10335 (changelog-check): Allow version only in head.
10336 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
10337 satisfy new Makefile.maint rule.
10338 * data/glr.c: Likewise.
10339 * data/glr.cc: Likewise.
10340 * data/lalr1.cc: Likewise.
10341 * data/yacc.c: Likewise.
10342 * lib/ebitsetv.c: Likewise.
10343 * lib/lbitset.c: Likewise.
10344 * lib/subpipe.c: Likewise.
10345 * lib/timevar.c: Likewise.
10346 * src/system.h: Likewise.
10347 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
10348 * djgpp/Makefile.maint: Add copyright notice.
10349 * djgpp/README.in: Likewise.
10350 * djgpp/config.bat: Likewise.
10351 * djgpp/config.site: Likewise.
10352 * djgpp/config_h.sed: Likewise.
10353 * djgpp/djunpack.bat: Likewise.
10354 * djgpp/config.sed: Fix copyright notice to match standard format.
10355 * djgpp/subpipe.h: Likewise.
10356 * lib/bitsetv-print.c: Likewise.
10357 * lib/bitsetv.c: Likewise.
10358 * lib/subpipe.h: Likewise.
10359 * lib/timevar.c: Likewise.
10360 * lib/timevar.h: Likewise.
10361 * djgpp/subpipe.c: Use standard recipe for config.h.
10362 * lib/abitset.c: Likewise.
10363 * lib/bitset.c: Likewise.
10364 * lib/bitset_stats.c: Likewise.
10365 * lib/bitsetv-print.c: Likewise.
10366 * lib/bitsetv.c: Likewise.
10367 * lib/ebitsetv.c: Likewise.
10368 * lib/get-errno.c: Likewise.
10369 * lib/lbitset.c: Likewise.
10370 * lib/subpipe.c: Likewise.
10371 * lib/timevar.c: Likewise.
10372 * lib/vbitset.c: Likewise.
10373 * tests/local.at: Likewise.
10374 * src/scan-gram.l: Don't include verify.h, since system.h does
10376 * .x-sc_require_config_h: New file.
10377 * .x-sc_unmarked_diagnostics: New file.
10379 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
10381 Be a bit more systematic about using 'abort'.
10382 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
10383 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
10384 Put 'default: abort ();' before some other case, to satisfy older
10385 pedantic compilers.
10386 * lib/bitset_stats.c (bitset_stats_init): Likewise.
10387 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
10388 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
10389 * src/conflicts.c (resolve_sr_conflict): Likewise.
10390 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
10391 (get_decision_str, get_orientation_str, get_node_alignment_str):
10392 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
10393 (get_linestyle_str, get_arrowstyle_str): Likewise.
10394 * src/conflicts.c (resolve_sr_conflict):
10395 Use a default case rather than one for the one remaining enum
10396 value, to catch invalid enum values as well.
10397 * src/lalr.c (set_goto_map, map_goto):
10398 Prefer "assert (FOO);" to "if (!FOO) abort ();".
10399 * src/nullable.c (nullable_compute, token_definitions_output):
10401 * src/reader.c (packgram, reader): Likewise.
10402 * src/state.c (transitions_to, state_new, state_reduction_find):
10404 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
10405 (symbol_pack): Likewise.
10406 * src/tables.c (conflict_row, pack_vector): Likewise.
10407 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
10408 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
10409 * src/system.h: Don't include <assert.h>.
10410 (assert): New macro.
10412 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
10413 (Destructor Decl, Parser Function, Pure Calling):
10414 Describe rules for braces inside C code more carefully.
10416 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
10418 Fix some porting glitches found by Nelson H. F. Beebe.
10419 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
10420 compilers that don't understand that abort () does not return.
10421 * src/state.c (transitions_to): Likewise.
10422 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
10423 that '#include <cstdlib>' works.
10424 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
10425 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
10426 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
10427 for the benefit of some pre-C99 compilers.
10429 * bootstrap: Undo changes to gnulib files that autoreconf made.
10431 Minor fixups to get 'make maintainer-check' to work.
10432 * configure.ac: Don't use -Wnested-externs, as it's incompatible
10433 with the new verify.h implementation.
10434 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
10435 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
10436 * data/yacc.c (YYUSE): Likewise.
10437 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
10438 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
10439 * src/parse-gram.y (declaration): Don't pass a string constant
10440 to a function that expects char *, since GCC might complain
10441 about the constant value.
10442 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
10443 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
10444 before #defining them.
10445 * tests/glr-regression.at
10446 (Incorrectly initialized location for empty right-hand side in GLR):
10447 In yyerror, use the msg arg.
10448 (Corrupted semantic options if user action cuts parse):
10449 (Incorrect lookahead during deterministic GLR):
10450 (Incorrect lookahead during nondeterministic GLR):
10451 Don't name a local var 'index'; it shadows string.h's 'index'.
10453 2006-01-19 Akim Demaille <akim@epita.fr>
10455 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
10456 location, not just parts of it.
10458 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
10460 * NEWS: Document the fact that multiple %unions are now allowed.
10461 * doc/bison.texinfo (Union Decl): Likewise.
10462 * TODO: This feature is now implemented, so remove it from
10465 * Makefile.maint: Merge with coreutils Makefile.maint.
10466 (CVS_LIST): Use build-aux version if available.
10467 (VERSION_REGEXP): New macro.
10468 (syntax-check-rules): Add sc_no_if_have_config_h,
10469 sc_prohibit_assert_without_use, sc_require_config_h,
10470 sc_useless_cpp_parens.
10471 (sc_obsolete_symbols): Check for O_NDELAY.
10472 (sc_dd_max_sym_length): Track coreutils.
10473 (sc_unmarked_diagnostics): Look in all files, not just *.c.
10474 (sc_useless_cpp_parens): New rule.
10475 (news-date-check): Look for version or today's date.
10476 (changelog-check): Don't require version number near head.
10477 (copyright-check): Use current year instead of hardwiring 2005.
10478 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
10479 (announcement): Add --gpg-key-ID.
10481 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
10482 with "file system".
10484 Avoid undefined behavior that addressed just before the start of an
10485 array. Problem reported by twlevo.
10486 * src/reader.c (packgram): Prepend a new sentinel before ritem.
10487 * src/lalr.c (build_relations): Rely on new sentinel.
10488 * src/gram.c (gram_free): Adjust to new sentinel.
10490 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
10492 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
10493 yylookaheadNeeds. All uses updated.
10494 (yysplitStack): Rename local yynewLookaheadStatuses to
10495 yynewLookaheadNeeds.
10496 * data/glr-regression.at (Incorrect lookahead during nondeterministic
10497 GLR): In comments, change `lookahead status' to `lookahead need'.
10499 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
10501 * data/glr.c (yysplitStack): A little stylistic rewrite.
10503 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
10505 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
10507 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
10509 * doc/bison.texinfo: Fix some typos.
10510 (GLR Semantic Actions): New subsection discussing special
10511 considerations because GLR semantic actions might be deferred.
10512 (Actions): Mention look-ahead usage of yylval.
10513 (Actions and Locations): Mention look-ahead usage of yylloc.
10514 (Special Features for Use in Actions): Add YYEOF entry and mention it
10515 in the yychar entry.
10516 In the yychar entry, remove mention of the local yychar case (pure
10517 parser) since this is irrelevant information when writing semantic
10518 actions and since it's already discussed in `Table of Symbols' where
10519 yychar is otherwise described as an external variable.
10520 In the yychar entry, don't call it the `current' look-ahead since it
10521 isn't when semantic actions are deferred.
10522 In the yychar and yyclearin entries, add note about deferred semantic
10524 Add yylloc and yylval entries discussing look-ahead usage.
10525 (Look-Ahead Tokens): When discussing yychar, don't call it the
10526 `current' look-ahead, and do mention yylval and yylloc.
10527 (Error Recovery): Cross-reference `Action Features' when mentioning
10529 (Table of Symbols): In the yychar entry, don't call it the `current'
10531 In the yylloc and yylval entries, mention look-ahead usage.
10533 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
10535 * tests/glr-regression.at: Update copyright year to 2006.
10537 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
10539 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
10540 use during nondeterministic operation to track which stacks have
10541 actually needed the current lookahead.
10542 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
10543 Allocate, deallocate, resize, and otherwise shuffle space for
10544 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
10545 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
10546 appropriately during nondeterministic operation.
10547 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
10548 members to store the current lookahead to be used by the deferred
10550 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
10551 from which the RHS is taken. Set the lookahead members of the new
10552 yySemanticOption according to the lookahead status for stack yyk.
10553 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
10554 yyaddDeferredAction.
10555 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
10556 members of yySemanticOption before invoking yyuserAction, and then set
10557 them back to their current values afterward.
10558 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
10559 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
10560 * tests/glr-regression.at: Remove `.' from the ends of recent test case
10561 titles for consistency.
10562 (Leaked merged semantic value if user action cuts parse): In order to
10563 suppress lint warnings, use arguments in merge function, and assign
10564 char value < 128 in main.
10565 (Incorrect lookahead during deterministic GLR): New test case.
10566 (Incorrect lookahead during nondeterministic GLR): New test case.
10568 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
10570 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
10571 !yyvaluep as signal that no semantic value is available to print.
10572 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
10573 to print a semantic value.
10575 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
10577 * tests/glr-regression.at: For consistency with my newer test cases,
10578 don't thank myself.
10580 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
10582 * data/glr.c (yyresolveValue): When merging semantic options, if at
10583 least one user action succeeds but a later one cuts the parse, then
10584 destroy the semantic value before returning rather than leaking it.
10585 (yyresolveStates): If a user action cuts the parse and thus
10586 yyresolveValue fails, ignore the (unset) semantic value rather than
10587 corrupting the yyGLRState, and empty the semantic options list since
10588 the user actions should have called all necessary destructors.
10589 Simplify code with YYCHK.
10590 * tests/glr-regression.at (Corrupted semantic options if user action
10591 cuts parse): New test case.
10592 (Undesirable destructors if user action cuts parse): New test case.
10593 Before applying any of this patch, this test case never actually failed
10594 for me... but only because the corrupted semantic options usually
10596 (Leaked merged semantic value if user action cuts parse): New test
10599 2006-01-05 Akim Demaille <akim@epita.fr>
10601 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
10603 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
10605 * data/c.m4 (b4_c_modern): New macro, with a new provision for
10606 _MSC_VER. Problem reported by Cenzato Marco.
10607 (b4_c_function_def): Use it.
10608 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
10610 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
10611 than rolling our own.
10613 2006-01-04 Akim Demaille <akim@epita.fr>
10615 Also warn about non-used mid-rule values.
10616 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
10618 (symbol_list_new): Adjust.
10619 * src/reader.c (symbol_typed_p): New.
10620 (grammar_rule_check): Use it.
10621 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
10623 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
10625 * tests/actions.at (Exotic Dollars): Adjust.
10627 2006-01-04 Akim Demaille <akim@epita.fr>
10629 * src/reader.c (grammar_midrule_action): If $$ is set in a
10630 mid-rule, move the `used' bit to its lhs.
10631 * tests/input.at (Unused values): New.
10632 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
10634 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
10636 * doc/bison.texinfo (Bison Options): Say more accurately what
10638 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
10639 about declarations in the grammar when in Yacc mode, as POSIX does
10640 not require a diagnostic when the grammar uses extensions.
10642 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
10644 Warn about dubious constructions like "%token T T".
10645 Reported by twlevo.
10646 * src/symtab.h (struct symbol.declared): New member.
10647 * src/symtab.c (symbol_new): Initialize it to false.
10648 (symbol_class_set): New arg DECLARING, specifying whether
10649 this is a declaration that we want to warn about, if there
10650 is more than one of them. All uses changed.
10652 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
10653 Allow multiple %union directives, whose contents concatenate.
10654 * src/parse-gram.y (grammar_declaration): Likewise.
10655 Use muscle_code_grow, so that we don't need stype_line any more.
10658 * src/muscle_tab.c (muscle_grow): Fix comment.
10660 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
10661 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
10662 Update copyright year to 2006.
10664 2006-01-03 Akim Demaille <akim@epita.fr>
10666 Have glr.cc pass (some of) the calc.at tests.
10667 * data/glr.cc (b4_parse_param_orig): New.
10668 (b4_parse_param): Improve its definition, and bound it more
10669 clearly in the skeleton.
10670 (b4_epilogue): Append, instead of prepending, in order to keep
10672 Simplify the generation of auxiliary functions: locations and
10673 purity are mandated.
10674 (b4_global_tokens_and_yystype): Honor it.
10675 * data/location.cc (c++.m4): Don't include it.
10676 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
10678 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
10680 Be sure to initialize the first position's filename.
10681 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
10683 (AT_CHECK_CALC_GLR_CC): New.
10684 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
10686 2006-01-02 Akim Demaille <akim@epita.fr>
10688 * src/output.c (output_skeleton): Don't hard wire the inclusion of
10690 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
10691 * data/glr.cc: Do not include stack.hh.
10693 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
10695 * data/glr.c: Reformat whitespace with tabs.
10696 (b4_lpure_formals): Remove this unused m4 macro.
10697 * tests/cxx-type.at: Reformat whitespace with tabs.
10698 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
10699 since it's a member. Rename type to isNterm for clarity.
10701 2005-12-29 Akim <akim@sulaco.local>
10703 Let glr.cc catch up with symbol_value_print.
10704 * data/glr.cc (b4_yysymprint_generate): Replace by...
10705 (b4_yy_symbol_print_generate): this.
10706 (yy_symbol_print, yy_symbol_value_print): Declare them.
10708 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
10710 * src/location.h (boundary): Note that a line or column equal
10711 to INT_MAX indicates an overflow.
10712 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
10713 (rule_length_overflow, increment_rule_length, add_column_width):
10715 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
10716 (<SC_BRACED_CODE>"}"):
10717 Use increment_rule_length rather than incrementing it by hand.
10718 (adjust_location, handle_syncline): Diagnose overflow.
10719 (handle_action_dollar, handle_action_at):
10720 Fix bug with monstrosities like $-2147483648.
10721 Remove now-unnecessary checks.
10722 (scan_integer): Verify assumptions and remove now-unnecessary checks.
10723 (convert_ucn_to_byte): Verify assumptions.
10724 (handle_syncline): New arg LOC. All callers changed.
10725 Don't store through a value derived from char const * pointer.
10727 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
10730 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
10732 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
10733 Remove unnecessary forward static decls.
10735 2005-12-27 Akim Demaille <akim@epita.fr>
10737 * src/reader.c (grammar_current_rule_check): Also check that $$
10739 Take the rule to check as argument, hence rename as...
10740 (grammar_rule_check): this.
10741 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
10743 (grammar_rule_begin, grammar_rule_end): these, for consistency.
10744 (grammar_midrule_action, grammar_symbol_append): Now static.
10745 * tests/torture.at (input): Don't rely on the default action
10746 being always performed.
10747 * tests/calc.at: "Set" $$ even when the action is "cut" with
10749 * tests/actions.at (Exotic Dollars): Instead of using unused
10750 values, check that the warning is issued.
10752 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
10754 * NEWS: Improve wording for unused-value warnings.
10756 2005-12-22 Akim Demaille <akim@epita.fr>
10758 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
10759 (b4_yysymprint_generate): Rename as...
10760 (b4_yy_symbol_print_generate): this.
10761 Generate yy_symbol_print instead of yysymprint.
10762 Generate also yy_symbol_value_print, and use it.
10764 2005-12-22 Akim Demaille <akim@epita.fr>
10766 * NEWS: Warn about unused values.
10767 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
10769 (symbol_list_n_get, symbol_list_n_used_set): New.
10770 (symbol_list_n_type_name_get): Use symbol_list_n_get.
10771 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
10772 * src/reader.c (grammar_current_rule_check): Check that values are
10774 * src/symtab.c (symbol_print): Accept 0.
10775 * tests/existing.at: Remove the type information.
10777 Remove useless actions (beware of mid-rule actions: perl -000
10778 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
10779 * tests/actions.at (Exotic Dollars): Use unused values.
10780 * tests/calc.at: Likewise.
10781 * tests/glr-regression.at (No users destructors if stack 0 deleted):
10784 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
10787 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
10789 Undo 2005-12-01 tentative license wording change. The wording is
10790 still being reviewed by the lawyers, and we don't want to wait for
10791 them before publishing a test release. For now, revert to the
10793 * NEWS: Undo 2005-12-01 change.
10794 * data/glr.c: Revert to previous license wording.
10795 * data/glr.cc: Likewise.
10796 * data/lalr1.cc: Likewise.
10797 * data/location.cc: Likewise.
10798 * data/yacc.c: Likewise.
10800 * NEWS: Reword %destructor vs YYABORT etc.
10801 * data/glr.c: Use American spacing, for consistency.
10802 * data/glr.cc: Likewise.
10803 * data/lalr1.cc: Likewise.
10804 * data/yacc.c: Likewise.
10805 * data/yacc.c: Reformat comments slightly.
10806 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
10807 for consistency. Fix some spelling errors and reword recently-included
10809 * tests/cxx-type.at: Cast results of malloc, for C++.
10811 2005-12-21 Joel E. Denny <address@hidden>
10813 * tests/cxx-type.at: Construct a tree, count the parents of shared
10814 nodes, and free each node once and only once. Previously, the memory
10815 for semantic values was leaked instead.
10817 2005-12-21 Joel E. Denny <address@hidden>
10819 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
10820 (yylval, yylloc): If pure, #define to yystackp->yyval and
10821 yystackp->yyloc similar to yychar and yynerrs.
10822 (yyparse): If pure, remove local yylval and yylloc. Add local
10823 yystackp to accommodate pure definitions of yylval and yylloc.
10824 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
10825 yylvalp and yyllocp to &yylval and &yylloc.
10826 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
10827 namespace. Previously, nerrs and char were missing, but lval and lloc
10829 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
10830 yylvalp and yyllocp parameters since, if pure, these are now always
10831 accessible through yystackp. If not pure, they are still accessible
10833 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
10834 `if (YYID (N))' to pacify lint.
10836 2005-12-21 Akim Demaille <akim@epita.fr>
10838 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
10839 destroy the RHS symbols of a rule.
10840 * data/yacc.c (yylen): Initialize to 0.
10841 Keep its value to the number of items to possibly shift.
10842 In particular, a regular successful parse that ends on YYFINAL by
10843 a (internal) YYACCEPT must not have yylen != 0.
10844 (yyerrorlab, yyreturn): Pop the RHS.
10845 Reorder a bit to emphasize the `shifting' bits of code.
10846 (YYPOPSTACK): Now accept a number of items to pop.
10847 * data/lalr1.cc: Likewise.
10848 * data/glr.c: Formatting changes.
10849 Use goto instead of fall through.
10850 * doc/bison.texinfo (Destructor Decl): Complete.
10852 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
10854 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
10855 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
10856 * djgpp/config.bat: Replace every occurence of the file name
10857 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
10858 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
10859 * djgpp/config.sed: Replace every occurence of the file name
10860 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
10861 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
10862 * djgpp/djunpack.bat: DJGPP specific file.
10863 * djgpp/fnchange.lst: DJGPP specific file.
10864 * djgpp/README.in: Add new information about how to unpack the bison
10865 source on MSDOS and other systems which have 8.3 file name restrictions
10866 using djunpack.bat and fnchange.lst.
10868 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
10870 * bootstrap (build_cvs_prefix): Remove; unused.
10871 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
10872 when getting gnulib.
10874 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
10876 * data/glr.c: Reorder typedef declarations for structs to match order
10877 of struct declarations.
10878 Rename yystack everywhere to yystackp except in yyparse where it's not
10880 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
10882 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
10883 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
10884 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
10887 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
10889 * tests/sets.at (Accept): Fix typos in regular expression used to
10890 sed out the final state number.
10892 Work around portability problem on Solaris 10: flex-generated
10893 files include <stdio.h> before <config.h>, which messes up
10894 because the latter defines __EXTENSIONS__. Address the problem
10895 by creating two new little files that include <config.h> first,
10896 then include the flex-generated files. Rewrite everyone else
10897 to include <config.h> first, as well.
10898 * lib/timevar.c: Always include "config.h".
10899 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
10900 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
10901 (EXTRA_bison_SOURCES): New macro.
10902 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
10903 * src/system.h: Don't include config.h.
10904 * src/LR0.c: Include <config.h> first.
10905 * src/assoc.c: Likewise.
10906 * src/closure.c: Likewise.
10907 * src/complain.c: Likewise.
10908 * src/conflicts.c: Likewise.
10909 * src/derives.c: Likewise.
10910 * src/files.c: Likewise.
10911 * src/getargs.c: Likewise.
10912 * src/gram.c: Likewise.
10913 * src/lalr.c: Likewise.
10914 * src/location.c: Likewise.
10915 * src/main.c: Likewise.
10916 * src/muscle_tab.c: Likewise.
10917 * src/nullable.c: Likewise.
10918 * src/output.c: Likewise.
10919 * src/parse-gram.y: Likewise.
10920 * src/print.c: Likewise.
10921 * src/print_graph.c: Likewise.
10922 * src/reader.c: Likewise.
10923 * src/reduce.c: Likewise.
10924 * src/relation.c: Likewise.
10925 * src/state.c: Likewise.
10926 * src/symlist.c: Likewise.
10927 * src/symtab.c: Likewise.
10928 * src/tables.c: Likewise.
10929 * src/uniqstr.c: Likewise.
10930 * src/vcg.c: Likewise.
10932 * src/parse-gram.y: Fix minor problems uncovered by lint.
10933 (current_lhs, current_lhs_location): Now static.
10934 (current_assoc): Remove unused variable.
10936 Cleanups so that Bison-generated parsers have less lint.
10937 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
10938 Prepend /*ARGSUSED*/, for lint's sake.
10939 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
10940 definition if 'lint' is defined.
10941 (YYID): New macro (or function, if lint).
10942 All uses of /*CONSTCOND*/0 replaced by YYID(0).
10943 * data/yacc.c: Likewise.
10944 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
10945 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
10946 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
10948 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
10949 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
10950 Use YYID(0) rather than 0, for lint.
10951 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
10952 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
10954 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
10956 * tests/glr-regression.at
10957 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
10958 Close memory leak reported by twlevo.
10960 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
10962 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
10964 (yyparse): Iterate another stack in order to call user destructors.
10965 * tests/glr-regression.at (No users destructors if stack 0 deleted):
10967 (Duplicated user destructor for lookahead): This test now is expected
10970 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
10972 * NEWS: Document the following change.
10973 * data/yacc.c: Say "parser skeleton" rather than "file", since
10974 it's no longer just a file.
10975 * data/glr.c: Grant a special exception for C GLR parsers, that
10976 reads like the already-existing exception for C LALR(1) parsers.
10977 * data/glr.cc: Likewise.
10978 * data/lalr1.cc: Likewise.
10979 * data/location.cc: Likewise.
10980 * data/yacc.c: Reword the "written by" statement to clarify that
10981 it was the parser skeleton, not the entire output file.
10982 * data/glr.c: Written by Paul Hilfinger.
10983 * data/glr.cc: Written by Akim Demaille.
10984 * data/lalr1.cc: Likewise.
10986 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
10988 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
10989 Fix typos in previous change that broke 'make check'.
10990 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
10992 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
10993 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
10994 We can revert this once things settle down.
10996 * src/conflicts.c (conflicts_print): Don't print file name twice
10997 when %expect fails because there were no conflicts.
10998 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
11000 * tests/conflicts.at (%expect not enough, %expect too much):
11001 (%expect with reduce conflicts): Adjust to new behavior.
11003 2005-11-18 Akim Demaille <akim@epita.fr>
11005 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
11007 * NEWS: Document this.
11008 * doc/bison.texinfo (Expect Decl): Likewise.
11010 2005-11-16 Akim Demaille <akim@epita.fr>
11012 Generalize the display of semantic values and locations in traces.
11013 * data/glr.c (yy_reduce_print): Fix indices (again).
11014 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
11016 * data/lalr1.cc (yyreduce_print): Rename as...
11017 (yy_reduce_print): this.
11018 Display values and locations.
11019 * data/yacc.c (yy_reduce_print): Likewise.
11020 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
11021 (yysymprint): Move higher to be visible from yy_reduce_print).
11023 * tests/calc.at: Adjust the expected length of the traces.
11025 2005-11-14 Akim Demaille <akim@epita.fr>
11027 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
11028 from 1 to N, while values and location start at 0.
11029 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
11031 2005-11-14 Akim Demaille <akim@epita.fr>
11033 * data/glr.c (yy_reduce_print): Fix the $ number.
11035 2005-11-14 Akim Demaille <akim@epita.fr>
11037 "Use" parse parameters.
11038 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
11039 * data/glr.c, data/glr.cc: Use them.
11040 * data/glr.c (YYUSE): Have a C++ definition that supports
11043 2005-11-14 Akim Demaille <akim@epita.fr>
11045 * data/glr.c (yyexpandGLRStack): Declare only if defined.
11047 2005-11-14 Akim Demaille <akim@epita.fr>
11049 * data/glr.cc: New.
11050 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
11052 2005-11-12 Akim Demaille <akim@epita.fr>
11054 Let position and location be PODs.
11055 * data/location.cc (position::initialize, location::initialize): New.
11056 (position::position, location::location): Define only if
11057 b4_location_constructors is defined.
11058 * data/lalr1.cc (b4_location_constructors): Define it for backward
11060 * doc/bison.texinfo (Initial Action Decl): Use initialize.
11062 2005-11-12 Akim Demaille <akim@epita.fr>
11064 * data/lalr1.cc: Move the body of the ctor and dtor into the
11065 parser file (instead of the header).
11066 Wrap the implementations in a "namespace yy".
11068 2005-11-12 Akim Demaille <akim@epita.fr>
11070 Have glr.c include its header file when created.
11071 * data/glr.c (b4_shared_declarations): New.
11072 Output them verbatim in the parser if !%defines, otherwise
11073 output then in the header file, and include it instead.
11075 2005-11-11 Akim Demaille <akim@epita.fr>
11077 * data/glr.c: Comment changes.
11079 2005-11-11 Akim Demaille <akim@epita.fr>
11081 When yydebug, report semantic and location values for reductions.
11082 * data/glr.c (yy_reduce_print): Report the semantic values and the
11084 (YY_REDUCE_PRINT): Adjust.
11085 (yyglrReduce): Use them.
11086 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
11087 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
11088 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
11091 2005-11-10 Akim Demaille <akim@epita.fr>
11093 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
11094 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
11095 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
11097 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
11099 * m4/cxx.m4, examples/Makefile.am: Don't build
11100 examples/calc++ if no C++ compiler is available. (trivial change)
11102 2005-11-09 Akim Demaille <akim@epita.fr>
11104 * src/scan-skel.l: Use a couple of asserts.
11106 2005-11-03 Akim Demaille <akim@epita.fr>
11108 In some (weird) cases, the final state number is incorrect.
11109 Reported by Alexandre Duret-Lutz.
11110 * src/LR0.c (state_list_append): Remove the computation of
11112 (save_reductions): Do it here.
11113 (get_state): Alpha conversion.
11114 (generate_states): Use a for loop.
11115 * src/gram.h (item_number_is_rule_number)
11116 (item_number_is_symbol_number): New.
11117 * src/state.c: Use assert.
11118 * src/system.h: Include assert.h.
11119 * tests/sets.at (Accept): New.
11121 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11123 * data/glr.c (yyfill): Adjust comment.
11124 (yyresolveAction): Initialize default location properly
11125 for empty right-hand sides.
11126 (yydoAction): Ditto.
11127 Add comment explaining apparently dead code.
11128 * tests/glr-regression.at
11129 (Incorrectly initialized location for empty right-hand side in GLR):
11132 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
11134 * bootstrap (cleanup_gnulib): New function. Use it to clean up
11135 gnulib when interrupted. This fixes some race conditions and
11136 works around some portability problems (one noted by Paul
11139 2005-10-22 Akim <akim@epita.fr>
11141 * Makefile.cfg: Adjust to config -> build-aux.
11142 Reported by twledo.
11144 2005-10-21 Akim Demaille <akim@epita.fr>
11146 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
11148 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
11149 * data/yacc.c (b4_Pure_if): Rename as...
11150 (b4_yacc_pure_if): this.
11151 (YY_SYMBOL_PRINT, yyparse): Adjust.
11152 * doc/bison.texinfo: Formatting changes.
11154 2005-10-21 Akim Demaille <akim@epita.fr>
11156 Finish the transition config -> build-aux.
11157 * configure.ac, Makefile.am: Use build-aux.
11158 * config/prev-version, config/announce-gen, config/Makefile.am:
11160 * build-aux/prev-version, build-aux/announce-gen,
11161 * build-aux/Makefile.am: here.
11163 2005-10-14 Akim Demaille <akim@epita.fr>
11165 * examples/calc++/test: Use set -x only when VERBOSE.
11167 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
11169 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
11170 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
11172 2005-10-13 Akim Demaille <akim@epita.fr>
11174 * src/scan-skel.l: Output the base name parts of the parser and
11176 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
11178 Use this to exercise C++ outputs in subdirs.
11179 Reported by Oleg Smolsky.
11181 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
11183 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
11184 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
11185 Problem reported by John P. Hartmann.
11186 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
11187 already defined it.
11189 2005-10-12 Akim Demaille <akim@epita.fr>
11191 * src/parse-gram.y (version_check): Exit 63 to please missing
11192 (stands for "version mismatch).
11193 * tests/input.at, doc/bison.texinfo: Adjust.
11195 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
11197 Work around portability problems with Visual Age C compiler
11198 (xlc and xlC_r) reported by John P. Hartmann.
11199 * data/location.cc (initial_column, initial_line): Remove.
11200 All uses replaced by 0 and 1.
11201 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
11202 that xlc complains about.
11203 * src/scan-skel.l (skel_wrap): Likewise.
11204 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
11206 * data/yacc.c (YYMODERN_C): New macro, which also looks at
11207 __STDC_VERSION__. Use it everywhere instead of looking at
11208 __STDC__ and __cplusplus.
11210 2005-10-10 Akim Demaille <akim@epita.fr>
11212 * examples/calc++/test: Be quiet unless VERBOSE.
11214 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
11216 * data/c.m4 (yydestruct, yysymprint):
11217 Use YYUSE instead of casting to void.
11218 * data/glr.c (YYUSE): New macro.
11219 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
11220 Use it instead of rolling our own.
11221 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
11223 Use /*CONSTCOND*/ to suppress lint warnings.
11224 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
11225 (YY_STACK_PRINT): Use 'false' not '0'.
11226 (YYUSE): New macro.
11227 (yysymprint_, yydestruct_): Use it instead of rolling our own.
11228 * data/yacc.c (YYUSE): New macro.
11229 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
11230 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
11231 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
11234 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
11235 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
11237 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
11239 Undo the parts of the unlocked-I/O change that substituted
11240 putc or puts for printf. This might hurt performance a bit,
11241 but some people prefer the printf style.
11242 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
11243 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
11244 All uses replaced by YYFPRINTF and YYDPRINTF.
11245 * data/yacc.c: Likewise.
11246 * lib/bitset.c (bitset_print): Likewise.
11247 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
11249 * lib/lbitset.c (debug_lbitset): Likewise.
11250 * src/closure.c (print_firsts, print_fderives): Likewise.
11251 * src/gram.c (grammar_dump): Likewise.
11252 * src/lalr.c (look_ahead_tokens_print): Likewise.
11253 * src/output.c (escaped_output): Likewise.
11254 (user_actions_output): Break apart two printfs.
11255 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
11256 * src/reduce.c (reduce_print): Likewise.
11257 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
11258 * src/system.h: Include unlocked-io.h rathe than stdio.h.
11260 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
11261 Use assignments rather than casts-to-void to suppress
11262 unused-variable warnings. This pacifies 'lint'.
11263 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
11264 unused-variable warnings.
11266 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
11268 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
11270 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
11272 Use unlocked I/O for a minor performance improvement on hosts like
11273 GNU/Linux and Solaris that support unlocked I/O. The basic idea
11274 is to use the gnlib unlocked-io module, and to prefer putc and
11275 puts to printf when either will work (since the latter doesn't
11276 come in an unlocked flavor).
11277 * bootstrap (gnulib_modules): Add unlocked-io.
11278 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
11279 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
11280 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
11281 and similarly for puts and putc and printf.
11282 * data/yacc.c: Likewise.
11283 * lib/bitset.c (bitset_print): Likewise.
11284 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
11285 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
11287 * lib/lbitset.c (debug_lbitset): Likewise.
11288 * src/closure.c (print_firsts, print_fderives): Likewise.
11289 * src/gram.c (grammar_dump): Likewise.
11290 * src/lalr.c (look_ahead_tokens_print): Likewise.
11291 * src/output.c (escaped_output): Likewise.
11292 (user_actions_output): Coalesce two printfs.
11293 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
11294 * src/reduce.c (reduce_print): Likewise.
11295 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
11296 * src/system.h: Include unlocked-io.h rather than stdio.h.
11298 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
11299 this confuses xgettext.
11301 2005-10-02 Akim Demaille <akim@epita.fr>
11303 * bootstrap (gnulib_modules): Add strverscmp.
11304 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
11305 * m4/.cvsignore: Add strverscmp.m4.
11306 * src/parse-gram.y (%require): New token, new rule.
11307 (version_check): New.
11308 * src/scan-gram.l (%require): Adjust.
11309 * tests/input.at (AT_REQUIRE): New.
11311 * doc/bison.texinfo (Require Decl): New.
11312 (Calc++ Parser): Use %require.
11314 2005-10-02 Akim Demaille <akim@epita.fr>
11316 * data/location.cc: New.
11318 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
11319 Akim Demaille <akim@epita.fr>
11321 Make sure -odir/foo.cc creates dir/location.hh etc.
11322 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
11323 (spec_file_prefix, spec_verbose_file, spec_graph_file)
11324 (spec_defines_file): Now const.
11326 (short_base_name): Remove.
11327 * src/files.c: Adjust.
11328 (dirname.h): Include.
11329 (base_name): Don't prototype it.
11330 (finput): Remove, duplicates gram_in.
11331 (full_base_name, short_base_name): Replace by...
11332 (all_but_ext, all_but_tab_ext): these.
11333 (compute_base_names): Rename as...
11334 (compute_file_name_parts): this.
11335 Update to compute the new variables, including dir_prefix.
11336 Adjust dependencies.
11337 * src/output.c (prepare): Output them.
11338 * src/reader.c: Adjust to use gram_in, not finput.
11339 * src/scan-skel.l (@dir_prefix@): New.
11341 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
11343 * lib/subpipe.c: New function end_of_output_subpipe() added
11344 to allow support for non-posix systems. This is a no-op function
11347 * lib/subpipe.h: New function end_of_output_subpipe() added
11348 to allow support for non-posix systems. This is a no-op function
11351 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
11352 handle the lack of pipe/fork functionality on non-posix systems.
11354 * djgpp/Makefile.maint: DJGPP specific file.
11356 * djgpp/README.in: DJGPP specific file.
11358 * djgpp/config.bat: DJGPP specific configuration file.
11360 * djgpp/config.sed: DJGPP specific configuration file.
11362 * djgpp/config.site: DJGPP specific configuration file.
11364 * djgpp/config_h.sed: DJGPP specific configuration file.
11366 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
11368 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
11370 2005-10-02 Akim Demaille <akim@epita.fr>
11372 * data/location.cc: New, extract from...
11373 * data/lalr1.cc: here.
11374 (location.hh): Include it after the user prologue, in case the
11375 filename type is defined by the user.
11376 Forward declation location and position before the pre-prologue.
11377 (yyresult_): Rename as...
11378 (yyresult): this, it's a local variable, not an attribute.
11379 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
11381 2005-10-01 Akim Demaille <akim@epita.fr>
11383 * examples/extexi: Restore the #line generation.
11385 2005-09-30 Akim Demaille <akim@epita.fr>,
11386 Alexandre Duret-Lutz <adl@gnu.org>
11388 Move the token type and YYSTYPE in the parser class.
11389 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
11390 (parser::token): New, from the moved free definition of tokens.
11391 (parser::semantic_value): Now a full definition instead of an
11392 indirection to YYSTYPE.
11393 (b4_post_prologue): No longer included in the header file, but
11394 in the implementation file.
11395 * doc/bison.texi (C+ Language Interface): Update.
11396 * src/parse-gram.y: Support unary %define.
11397 * tests/actions.at: Define global_tokens_and_yystype for backward
11398 compatibility until we update the tests.
11399 * tests/calc.at: Idem.
11400 (first_line, first_column, last_line, last_column): Define for lalr1.cc
11401 to simplify the code.
11403 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
11405 Port to SunOS 4.1.4, which lacks strtoul and strerror.
11406 Ah, the good old days! Problem reported by Peter Klein.
11407 * bootstrap (gnulib_modules): Add strerror, strtoul.
11408 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
11409 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
11411 2005-09-29 Akim Demaille <akim@epita.fr>
11413 * data/c.m4 (b4_error_verbose_if): New.
11414 * data/lalr1.cc: Use it.
11415 (YYERROR_VERBOSE_IF): Remove.
11416 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
11417 parser members, replaced by...
11418 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
11420 (yysyntax_error_): Takes the state number as argument.
11421 (yyreduce_print_): Use the argument yyrule, not the former
11424 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
11426 * bootstrap (gnulib_modules): Add verify.
11427 * lib/.cvsignore: Add verify.h.
11428 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
11429 * src/system.h (verify): Remove.
11430 Include verify.h instead.
11431 * src/tables.c (tables_generate): Use new API for 'verify'.
11433 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
11435 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
11436 local variables whose names begin with 'yy'.
11437 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
11438 Trivial changes from Joel E. Denny.
11440 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
11442 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
11443 don't use alloca any more.
11445 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
11446 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
11447 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
11448 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
11449 to match yacc.c, to test more hosts.
11451 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
11453 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
11454 doesn't affect behavior.
11455 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
11457 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
11458 This works a bit better with glibc, if user code has already included
11460 * doc/bison.texinfo (Bison Parser): Document that users can't
11461 arbitrarily use malloc and free for other purposes. Document
11462 that <alloca.h> and <malloc.h> might be included.
11463 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
11464 user must declare alloca.
11466 * HACKING (release): Forwarn the Translation Project about
11469 2005-09-20 Akim Demaille <akim@epita.fr>
11471 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
11473 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
11475 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
11476 (YYSTACK_ALLOC_MAXIMUM): Use it.
11477 (yysyntax_error): New function.
11478 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
11479 multiple syntax errors are reported, and alloca is being used.
11480 Instead, reallocate buffers twice as big each time, so that
11481 we waste at most half the allocated memory. Start with a small
11482 (128-byte) buffer that will suffice in most cases anyway.
11483 Use yysyntax_error to do most of the work.
11485 * doc/bison.texinfo (Error Reporting, Table of Symbols):
11486 yynerrs is the number of errors reported, not the number of
11487 errors encountered.
11489 * tests/glr-regression.at (Duplicated user destructor for lookahead):
11490 Mark it as expected to fail.
11491 Cast result of malloc; problem reported by twlevo@xs4all.nl.
11492 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
11493 Don't start user-code symbols with "yy", to avoid name space problems.
11495 2005-09-19 Akim Demaille <akim@epita.fr>
11497 Remove the traits, failed experiment.
11498 It never proved useful, and anyway because of the current
11499 definition, it was not possible to have several specialization of
11500 this traits, making it useless.
11501 * data/lalr1.cc (yy:traits): Remove.
11502 Inline its definitions in the parser class.
11504 2005-09-19 Akim Demaille <akim@epita.fr>
11506 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
11507 least Mac OSX with a /usr/local install of gettext.
11509 2005-09-19 Akim Demaille <akim@epita.fr>
11511 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
11512 and yytoken for similarity with the other skeletons.
11514 2005-09-19 Akim Demaille <akim@epita.fr>
11516 * NEWS, configure.ac: update version number to 2.1a.
11518 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
11520 * NEWS: Version 2.1.
11522 * NEWS: Remove notice of yytname change, since it was never in an
11524 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
11526 * src/output.c (prepare): Likewise.
11527 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
11528 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
11529 is not defined. This is an awful hack, but it's enough for now.
11530 All callers changed.
11531 * tests/glr-regression-at (make_value): Args are const pointers now,
11532 to avoid GCC warning.
11533 (Duplicated user destructor for lookahead): New test. Currently
11534 skipped. It fails on my host but I'm not sure it'll always fail.
11536 2005-09-16 Akim Demaille <akim@epita.fr>
11538 * src/symtab.h (struct symbol): Declare the printer and destructor
11539 as const, to avoid accidental calls to free.
11540 (symbol_destructor_set, symbol_printer_set): Adjust.
11541 * src/symtab.c: Adjust.
11543 2005-09-16 Akim Demaille <akim@epita.fr>
11545 * data/c.m4 (b4_token_enums): New.
11546 (b4_token_defines): Rename as...
11547 (b4_token_enums_defines): this.
11548 (b4_token_defines): New, output only the #defines.
11549 * data/yacc.c, data/glr.c: Adjust.
11550 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
11551 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
11554 2005-09-16 Akim Demaille <akim@epita.fr>
11556 * data/lalr1.cc (yylex_): Remove, inline its code.
11557 (yyreport_syntax_error_): Remove, replaced by...
11558 (yysyntax_error_): this which returns a string and leaves to the
11559 caller the call to the users' error function.
11560 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
11561 Move from members of the parser object...
11562 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
11563 to local variables of the parse function.
11565 2005-09-16 Akim Demaille <akim@epita.fr>
11567 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
11568 since it's in Bison's name space.
11570 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
11572 * data/glr.c (yyresolveValue): Add default case to pacify
11573 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
11575 * NEWS: Document when yyparse started to return 2.
11576 * doc/bison.texinfo (Parser Function): Document when yyparse
11579 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
11580 (b4_filename_type): Renamed back from b4_file_name_type. All uses
11582 (class position): file_name -> filename (reverting). All uses changed.
11584 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
11586 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
11587 do anything if $@ exists. This reverts part of the 2005-07-07
11590 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
11592 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
11593 contains obsolete information and isn't worth distributing as a
11594 separate file anyway.
11595 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
11596 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
11597 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
11598 (yyparse): Abort if user code uses longjmp to throw an unexpected
11601 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
11603 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
11604 Suggested by twlevo@xs4all.nl.
11606 * data/glr.c (YYCHK1): Do not assume YYE is in range.
11607 This avoids a diagnostic from gcc -Wswitch-enum.
11608 Problem reported by twlevo@xs4all.nl.
11610 * doc/bison.texinfo: Don't use "filename", as per GNU coding
11611 standards. Use "file name" or "file" or "name", depending on
11613 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
11614 not to hack/foo.tab.c.
11615 (Calc++ Top Level): 2nd arg of main is not const.
11616 * data/glr.c: b4_filename -> b4_file_name.
11617 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
11619 (class position): filename -> file_name. All uses changed.
11620 * data/yacc.c: b4_filename -> b4_file_name.
11621 * lib/bitset.h: filename -> file_name in local vars.
11622 * lib/bitset_stats.c: Likewise.
11623 * src/files.c: Likewise.
11624 * src/scan-skel.l ("@output ".*\n): Likewise.
11625 * src/files.c (file_name_split): Renamed from filename_split.
11626 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
11628 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
11630 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
11631 to accommodate latest gnulib.
11633 * tests/glr-regression.at (Duplicate representation of merged trees):
11634 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
11636 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
11639 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
11641 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
11642 All uses changed. Invoke user destructor after an error during a
11643 split parse (trivial change from Joel E. Denny).
11645 * tests/glr-regression.at
11646 (User destructor after an error during a split parse): New test case.
11647 Problem reported by Joel E. Denny in:
11648 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
11650 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
11652 * README-cvs: Give URLs for recommended tools.
11653 Mention Gzip version problem, and bootstrapping issues.
11654 Remove troubleshooting section, as it's somewhat obsolete.
11656 * bootstrap (no_cache): New var, to accommodate different wget
11657 variants. Use it instead of '-C off'. Problem reported by
11660 * data/glr.c (yydestroyStackItem): New function.
11661 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
11662 debugging information. Problem reported by Joel E. Denny.
11664 2005-08-25 Akim Demaille <akim@epita.fr>
11666 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
11668 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
11670 * data/glr.c (yyrecoverSyntaxError, yyreturn):
11671 Don't invoke destructor on unresolved entries.
11672 * tests/glr-regression.at
11673 (User destructor for unresolved GLR semantic value): New test case.
11674 Problem reported by Joel E. Denny in:
11675 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
11677 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
11679 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
11681 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
11682 lib-prefix.m4, po.m4.
11684 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
11685 in yydestruct diagnostic, since it might not be an error.
11686 Problem reported by Joel Denny near end of
11687 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
11688 * data/lalr1.cc (yyerturn): Likewise.
11689 * data/yacc.c (yyreturn): Likewise.
11690 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
11692 * src/files.c: Remove obsolete FIXME comment.
11694 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
11695 with the other templates, and to fix bogus run-on messages such
11696 as the one reported at the end of
11697 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
11698 All callers changed to avoid the newline.
11699 (yyprocessOneStack): Output two lines rather than one, to accommodate
11700 the above change. This changes the debug output format slightly.
11702 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
11703 reported by Joel E. Denny in
11704 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
11706 * tests/glr-regression.at (Duplicate representation of merged trees):
11707 New test, from Joel E. Denny in:
11708 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
11709 * THANKS: Add Joel E. Denny.
11711 * configure.ac (AC_INIT): Bump to 2.0c.
11713 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
11715 * NEWS: Version 2.0b.
11717 * Makefile.am (SUBDIRS): Put examples before tests, so that
11718 "make check" doesn't finish with "All 1 tests passed".
11720 * tests/regression.at (Token definitions): Don't rely on
11721 AT_PARSER_CHECK for data that contains backslashes. It currently
11722 uses 'echo', and 'echo' isn't portable if its argument contains
11723 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
11724 that the byte '\0xff' is not printable in the C locale; it is,
11725 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
11726 not printable, so use '\0x81' to test.
11728 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
11729 version of GCC, since the macro is used with non-GCC compilers.
11731 Fix core dump reported by Pablo De Napoli in
11732 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
11733 * tests/regression.at (Invalid inputs with {}): New test.
11734 * src/parse-gram.y (token_name): Translate type before using
11737 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
11738 the user's name space. All uses changed to __attribute__
11740 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
11741 Add __attribute__ ((__noreturn__)).
11743 * etc/clcommit: Remove. We weren't using it, and it failed
11744 "make maintainer-distcheck".
11745 * Makefile.maint: Merge from coreutils.
11746 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
11747 (syntax-check-rules): Change list of rules as described below.
11748 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
11749 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
11750 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
11751 (sc_trailing_space): New rules.
11752 (sc_xalloc_h_in_src): Remove.
11753 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
11754 (sc_space_tab, sc_error_exit_success, sc_changelog):
11755 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
11756 (makefile-check, po-check, author_mark_check):
11757 (makefile_path_separator_check, copyright-check):
11758 Use grep -n, to make it easier to find violations.
11759 Use CVS_LIST and CVS_LIST_EXCEPT.
11760 (header_regexp, h_re): Remove.
11762 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
11763 (my-distcheck): Use more-modern GCC flags.
11764 (signatures, %.asc): Remove.
11765 (rel-files, announcement): Remove signatures.
11766 Restore old updating code, even though we don't use it, so
11767 that we're the same as coreutils.
11768 (alpha, beta, major): Depend on news-date-check.
11769 Make the upload commands.
11771 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
11772 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
11773 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
11774 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
11775 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
11776 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
11777 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
11778 * tests/sets.at: Likewise.
11780 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
11781 we comment out the Autoconf version number.
11782 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
11783 it's error-prone and "make maintainer-distcheck" rejects it.
11785 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
11786 Indent calls to "error" to pacify "make maintainer-distcheck",
11787 when the calls are not intended to be translated.
11788 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
11790 * src/Makefile.am (DEFS): Use +=, to pacify
11791 "make maintainer-distcheck".
11792 (bison_SOURCES): Add scan-skel.h.
11793 (sc_tight_scope): New rule, from coreutils.
11795 * src/files.c (src_extension, header_extension):
11796 Now static, not extern.
11797 * src/getargs.c (short_options): Likewise.
11798 * src/muscle_tab.c (muscle_table): Likewise.
11799 * src/parse-gram.y (current_class, current_type, current_prec):
11801 * src/reader.c (grammar_end, previous_rule_end): Likewise.
11802 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
11803 * src/main.c (main): Cast bindtextdomain and textdomain calls to
11804 void, to avoid warning when NLS is disabled.
11805 * src/output.c: Include scan-skel.h.
11806 (scan_skel): Remove decl, since scan-skel.h does this.
11808 Indent calls to "error" to pacify "make maintainer-distcheck".
11809 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
11810 * src/reader.h (gram_end, gram_lineno): New decls to pacify
11811 "make maintainer-distcheck".
11812 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
11813 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
11814 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
11815 (skel_lex_destroy, scan_skel): Move these decls to...
11816 * src/scan-skel.h: New file.
11817 * src/uniqstr.c (uniqstr_assert):
11818 Indent calls to "error" to pacify "make maintainer-distcheck".
11820 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
11823 * tests/torture.at: Revamp to avoid misuse of atoi that
11824 "make maintainer-distcheck" complained about.
11826 * examples/extexi (message): Don't print a message more than once,
11827 and omit line-number decoration that makes Emacs compile think
11828 that informative messages are worth worrying about.
11830 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
11832 * configure.ac: Update version number.
11834 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
11836 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
11837 autogenerated by the maintainer.
11838 * examples/calc++/.cvsignore: Add *.yy.
11840 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
11841 * lib/bitset_stats.c (bitset_stats_init): Likewise.
11842 * lib/bitsetv.c (bitsetv_alloc): Likewise.
11844 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
11846 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
11847 from maintainer-distcheck about casting the argument of 'free'.
11849 * NEWS: Mention recent yytname changes.
11850 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
11852 * bootstrap: For translations that have not yet been upgraded to
11853 the new runtime-po domain, prime the pump by extracting the
11854 relevant strings from the obsolete translations. This code can be
11855 removed once the bison-runtime domain has been translated by each
11858 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
11859 now that token names are already quoted.
11861 Fix problem reported by Anthony Heading.
11862 * data/glr.c (YYTOKEN_TABLE): New macro.
11863 (yytname): Define if YYTOKEN_TABLE.
11864 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
11865 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
11866 (YYERROR_VERBOSE): Define the same way the other skeletons do.
11867 * src/output.c (prepare_symbols): Output token_table_flag.
11869 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
11871 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
11872 again if the first call fails.
11874 * data/glr.c (yytnamerr): New function.
11875 (yyreportSyntaxError): Use it to dequote most string literals.
11876 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
11877 with other skeletons. All uses changed.
11878 (yytnameerr_): New function.
11879 (yyreport_syntax_error): Use it to dequote most string literals.
11880 * data/yacc.c (yytnamerr): New function.
11881 (yyerrlab): Use it to decode most string literals.
11882 * doc/bison.texinfo (Decl Summary, Calling Convention):
11883 Clarify quoting convention of yytname.
11884 * src/output.c (prepare_symbols): Quote all names. This undoes
11885 the 2005-04-17 change, which is now accomplished (mostly) via
11886 changes in the parsers as described above.
11887 * tests/regression.at (Token definitions, Web2c Actions):
11888 Undo most 2005-04-17 change here, too.
11890 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
11892 Fix more problems reported by twlevo@xs4all.nl.
11893 * tests/cxx-type.at: Don't pipe output of ./types through sed to
11894 remove trailing spaces. This loses the exit status of ./types,
11895 and isn't needed since ./types shouldn't be emitting trailing
11897 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
11898 as the stack isn't valid in that case.
11900 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
11901 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
11902 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
11903 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
11905 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
11906 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
11907 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
11910 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
11911 overly-picky compilers that reject 'char *foo = "bar";'.
11913 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
11914 to FILE * parameter, not to stderr. This fixes a typo introduced
11915 in the 2005-07-12 change.
11917 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
11918 warnings from GCC 4.
11920 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
11921 (yyglrShiftDefer, yysplitStack):
11922 Remove unused parameters b4_pure_formals. All uses changed.
11923 (yyglrShift): Remove unused parameters b4_user_formals.
11925 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
11927 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
11929 Destructor cleanups and regularization among the three skeletons.
11930 * NEWS: Document the behavior changes.
11931 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
11932 stack before failing, as the cleanup code will do it for us now.
11933 * data/lalr1.cc (yyerrlab): Likewise.
11934 * data/glr.c (yyparse): Pop everything off the stack before
11935 freeing it, so that destructors get called properly.
11936 * data/lalr1.cc (yyreturn): Likewise.
11937 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
11938 This is more consistent.
11939 * doc/bison.texinfo (Destructor Decl): Mention more reasons
11940 why destructors might be called. 1.875 -> 2.1.
11941 (Destructor Decl, Decl Summary, Table of Symbols):
11942 Some English-language cleanups for %destructor.
11943 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
11944 Add output line for destructor of start symbol.
11945 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
11946 because of that same extra output line.
11948 * NEWS: Document minor wording changes in diagnostics of
11949 Bison-generated parsers.
11950 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
11951 Remove unused formals. All uses changed.
11952 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
11953 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
11954 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
11955 Rename yyoverflowab to yyexhaustedlab.
11956 When memory exhaustion occurs during syntax-error reporting,
11957 report it separately rather than in a single diagnostic; this
11959 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
11960 (Memory Exhausted): Renamed from Parser Stack Overflow.
11961 Revamp wording slightly to prefer "memory exhaustion".
11962 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
11964 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
11966 Add i18n support to the GLR skeleton. Partially fix the C++
11967 skeleton; a C++ expert needs to finish this. Remove debugging
11968 msgids; there's little point to having them translated, since they
11969 can be understood only by someone who can read the
11970 (English-language) source code.
11972 Generate runtime-po/bison-runtime.pot automatically, so that we
11973 don't have to worry about garbage getting in that file. We'll
11974 make sure after the next official release that old msgids don't
11976 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
11978 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
11979 Now auto-generated.
11980 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
11981 Fix typos in explanations of the runtime file.
11982 * bootstrap: Change gettext keyword from YYI18N to YY_.
11983 Use standard Makefile.in.in in runtime-po, since we'll arrange
11984 for backward-compatible bison-runtime.po files in a different way.
11985 * data/glr.c (YY_): New macro, from yacc.c.
11986 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
11987 Translate messages intended for users.
11988 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
11989 the wording in the other skeletons. We don't know that the memory
11991 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
11992 Use same method that yacc.c uses.
11993 Don't translate debugging messages.
11994 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
11995 it doesn't work (yet), and requires C++ expertise to fix.
11996 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
11997 Move defn to a more logical place, to be consistent with other
11999 Don't translate debugging messages.
12000 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
12001 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
12002 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
12003 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
12005 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
12006 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
12008 * tests/glr-regression.at (Badly Collapsed GLR States):
12010 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
12011 yylex should return 0 at EOF rather than aborting.
12013 Improve tests for stack overflow in GLR parser.
12014 Problem reported by twlevo@xs4all.nl.
12015 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
12017 (yyStackOverflow): Just longjmp, but with value 2 so that caller
12018 can handle the problem.
12019 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
12020 (yyparse): New local variable yyresult to record the result.
12021 Use result of setjmp to set it, rather than storing itinto
12023 (yyDone): Remove label.
12024 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
12025 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
12026 if YYABORT is used).
12027 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
12028 yyparse status; put status > 1 into diagnostic.
12029 Check that status==2 works.
12030 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
12031 Use exit status 3 for failure to open (which shouldn't happen).
12033 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
12035 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
12036 1 on syntax error; just let yyparse do its thing.
12037 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
12038 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
12039 (Exploding the Stack Size with Alloca):
12040 (Exploding the Stack Size with Malloc):
12041 Expect exit status 2, not 1, since the parser is supposed to blow
12042 its stack. Problem reported by twlevo@xs4all.nl.
12044 * data/glr.c (yyparse): Don't assume that the initial calls
12045 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
12046 Print a stack-overflow message and fail instead.
12047 Initialize the line-number information before creating the stack,
12048 so that the stack-overflow message can report line zero safely.
12050 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
12052 Fix problems reported by twlevo@xs4all.nl.
12053 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
12054 (yyuserMerge): Provide a default case if b4_mergers is empty.
12055 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
12056 * tests/glr-regression.at
12057 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
12058 Add casts to pacify C++ compilers.
12059 * tests/glr-regression.at (Improper merging of GLR delayed action
12060 sets): Declare yylex before using it.
12061 * tests/Makefile.am (maintainer-check-g++): Fix a stray
12062 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
12063 test for valgrind; valgrind is independent of g++.
12064 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
12065 for compatibility with POSIX 1003.1-2001 (if running coreutils).
12066 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
12067 Use a destructor, so that we can expand the stack. Change
12068 YYSTYPE to char * so that we can free it. Cast result of malloc.
12070 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12072 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
12073 a valgrind failure. Problem reported by twlevo@xs4all.nl.
12075 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
12077 * PACKAGING: New file, suggested by Bruno Haible and taken from
12078 similar wording in gettext's PACKAGING file.
12079 * NEWS: Mention PACKAGING.
12080 * Makefile.am (EXTRA_DIST): Add PACKAGING.
12082 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
12084 * NEWS: Document recent i18n improvements.
12085 * bootstrap: Get runtime translations into runtime-po.
12086 Create runtime-po files automatically, if possible.
12087 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
12088 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
12089 does not infringe on the user's name space.
12090 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
12091 * doc/bison.texinfo (Internationalization): Revamp the English
12092 and Texinfo syntax a bit, to try to make it clearer.
12093 (Bison Options, Option Cross Key): Mention --print-localedir.
12094 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
12095 YYENABLE_NLS. Quote a bit more.
12096 * runtime-po/.cvsignore: New file.
12097 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
12098 * runtime-po/Rules-quot: Remove; now created by bootstrap.
12099 * runtime-po/quot.sed: Likewise.
12100 * runtime-po/boldquot.sed: Likewise.
12101 * runtime-po/en@quot.header: Likewise.
12102 * runtime-po/en@boldquot.header: Likewise.
12103 * runtime-po/insert-header.sin: Likewise.
12104 * runtime-po/remove-potcdate.sin: Likewise.
12105 * runtime-po/Makevars: Likewise.
12106 * runtime-po/LINGUAS: Likewise.
12107 * runtime-po/de.po: Likewise; we will rely on the translation project
12108 to maintain this, so "bootstrap" should get it.
12109 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
12111 * src/main.c (main): Bind the bison-runtime domain, too.
12113 2005-07-12 Bruno Haible <bruno@clisp.org>
12115 * data/yacc.c: Include <libintl.h> when NLS is enabled.
12116 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
12117 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
12118 * runtime-po: New directory.
12119 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
12120 $(DOMAIN).pot-update rule, so that old messages are never dropped.
12121 * runtime-po/Rules-quot: New file, copied from po/.
12122 * runtime-po/quot.sed: Likewise.
12123 * runtime-po/boldquot.sed: Likewise.
12124 * runtime-po/en@quot.header: Likewise.
12125 * runtime-po/en@boldquot.header: Likewise.
12126 * runtime-po/insert-header.sin: Likewise.
12127 * runtime-po/remove-potcdate.sin: Likewise.
12128 * runtime-po/Makevars: New file.
12129 * runtime-po/POTFILES.in: New file.
12130 * runtime-po/LINGUAS: New file.
12131 * runtime-po/bison-runtime.pot: New file.
12132 * runtime-po/de.po: New file.
12133 * m4/bison.m4: New file.
12134 * Makefile.am (SUBDIRS): Add runtime-po.
12135 (aclocaldir, aclocal_DATA): New variables.
12136 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
12138 * src/getargs.c (usage): Document --print-localedir option.
12139 (PRINT_LOCALEDIR_OPTION): New enum item.
12140 (long_options): Add --print-localedir option.
12141 (getargs): Handle --print-localedir option.
12142 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
12143 (Internationalization): New section.
12145 2005-07-12 Akim Demaille <akim@epita.fr>
12147 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
12148 for consistency with the rest of the code.
12149 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
12152 2005-07-12 Akim Demaille <akim@epita.fr>
12154 * src/parse-gram.y: Use %printer instead of YYPRINT.
12156 2005-07-12 Akim Demaille <akim@epita.fr>
12158 * src/symtab.h, src/symtab.c (symbol_print): New.
12159 * src/symlist.h, src/symlist.c (symbol_list_print): New.
12160 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
12162 2005-07-12 Akim Demaille <akim@epita.fr>
12164 * data/glr.c (b4_syncline): Fix (swap) the definitions of
12165 b4_at_dollar and b4_dollar_dollar.
12167 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
12169 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
12170 and Pennello's paper.
12172 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
12174 * data/yacc.c (yyparse): Undo previous patch. Instead,
12175 set yylsp[0] and yyvsp[0] only if the initial action
12176 sets yylloc and yylval, respectively.
12178 * data/yacc.c (yyparse): In the initial action, set
12179 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
12180 This avoids the use of undefined variables if the initial
12181 action does not set yylloc and/or yylval.
12183 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
12185 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
12186 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
12187 Remove from CVS. These files are automatically generated.
12188 * examples/extexi: Clarify that this file is now part of Bison,
12189 not GNU M4, and that it works with any POSIX-compatible Awk.
12190 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
12191 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
12192 so that we also get calc++-parser.yy. Geneate it.
12193 Use $(AWK), not gawk, since any conforming Awk will do.
12194 Put comment before action, since older 'make' can't handle comment
12196 $(BUILT_SOURCES): List all built sources, not just some of them.
12197 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
12198 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
12199 $($(calc_sources_generated)): Remove unnecessary test for existence
12200 of target. (This had a shell syntax error anyway; a stray "x".)
12201 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
12203 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
12205 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
12206 implied by the other modules.
12208 2005-07-06 Akim Demaille <akim@epita.fr>
12210 Bind examples/calc++ to the package.
12211 * examples/calc++/Makefile: Remove, replaced by...
12212 * examples/calc++/Makefile.am: ... this new file.
12213 * examples/calc++/test: Remove input.
12214 * examples/calc++/compile: Remove.
12215 * examples/Makefile.am: New.
12216 * configure.ac, Makefile.am: Adjust.
12217 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
12219 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
12221 * data/glr.c (yyFail): Drastically simplify; since the format argument
12222 never had any % directives, we can simply pass it to yyerror.
12223 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
12224 be modified later, as that is the usual style in glr.c.
12225 Problems reported by Paul Hilfinger.
12227 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
12228 and size overflow errors.
12229 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
12230 in case the user prolog sets feature-test macros like _GNU_SOURCE.
12231 (YYSIZEMAX): New macro.
12232 (yystpcpy): New function, taken from yacc.c.
12233 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
12234 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
12235 so that we don't have to maintain their signatures.
12236 (yyFail): Check for buffer overflow, by using vsnprintf rather
12237 than vsprintf. Allocate a bigger buffer if possible.
12238 Report an error if buffer allocation fails.
12239 (yyStackOverflow): New function.
12240 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
12241 the initialization was successful. It might fail if storage was
12243 (yyexpandGLRStack): Add more checks for storage allocation failure.
12244 Use yyStackOverflow to report failures.
12245 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
12246 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
12247 Don't assume stack number fits in int.
12248 (yysplitStack): Check for storage allocation failure.
12249 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
12250 can print diagnostics on storage allocation failure. All callers
12252 (yyresolveValue): Use yybool for boolean.
12253 (yyreportSyntaxError): Check for size-calculation overflow.
12254 This code is taken from yacc.c.
12255 (yyparse): Check for storage allocation errors when allocating
12258 2005-07-05 Akim Demaille <akim@epita.fr>
12260 Extract calc++ from the documentation.
12261 * doc/bison.texinfo (Calc++): Add the extraction marks.
12262 * examples/extexi: New, from the aborted GNU Programming 2E.
12263 Separate the different paragraph of a file with empty lines.
12264 * examples/Makefile: Use it to extract the whole calc++ example.
12266 2005-06-24 Akim Demaille <akim@epita.fr>
12268 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
12271 2005-06-22 Akim Demaille <akim@epita.fr>
12273 * doc/bison.texinfo (C++ Language Interface): First stab.
12274 (C++ Parsers): Remove.
12276 2005-06-22 Akim Demaille <akim@epita.fr>
12278 * data/lalr1.cc (yylex_): Honor %lex-param.
12280 2005-06-22 Akim Demaille <akim@epita.fr>
12282 Start a set of simple examples.
12283 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
12284 * examples/calc++/calc++-driver.hh,
12285 * examples/calc++/calc++-parser.yy,
12286 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
12287 * examples/calc++/compile, examples/calc++/test: New.
12289 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
12291 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
12292 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
12293 which stems from the 2005-05-27 patch.
12295 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
12297 * data/glr.c: Modify treatment of unused parameters to permit use
12298 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
12300 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
12302 Fix infringement on user name space reported by Janos Zoltan Szabo.
12303 * data/yacc.c (yyparse): strlen -> yystrlen.
12305 2005-05-30 Akim Demaille <akim@epita.fr>
12307 * data/lalr1.cc (_): New.
12308 Translate the various messages.
12310 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
12312 Fix infringement on user name space reported by Bruno Haible.
12313 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
12314 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
12315 the user's name space.
12316 (alloca): Include <stdlib.h> to get it, if it's not built in.
12317 (YYMALLOC, YYFREE): Define only if needed.
12318 (malloc, free): Declare, but only if needed, as this infringes on
12319 the user name space.
12321 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
12323 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
12324 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
12326 * lib/ebitset.c (min, max): Undef before defining.
12327 * lib/vbitset.c (min, max): Likewise.
12328 * lib/subpipe.c (create_subpipe): Save local variables in case
12329 vfork clobbers them.
12331 2005-05-24 Bruno Haible <bruno@clisp.org>
12333 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
12334 error message syntax used by gcc-4.0.
12336 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
12338 * README: Mention m4 1.4.3. Remove obsolete advice about
12339 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
12341 * bootstrap: Remove workaround for problem I encountered with
12342 gettext 0.14.1; it seems to be fixed now.
12344 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
12346 * NEWS: Version 2.0a.
12348 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
12349 the previous change.
12351 Various maintainer cleanups.
12352 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
12353 conftest*, for benefit of CVS commands run at the same time as
12354 "configure". Add build-aux, since "bootstrap" now creates it and
12356 * Makefile.cfg (move_if_change): Remove.
12357 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
12358 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
12359 (po_repo, do-po-update, po-update, wget_files, get-targets):
12360 (config.guess-url_prefix, config.sub-url_prefix):
12361 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
12362 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
12363 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
12365 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
12366 this is now the recommended name.
12367 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
12368 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
12369 ylwrap. These files now go into build-aux.
12370 * config/move-if-change: Remove.
12371 * config/prev-version.txt: Bump from 1.75 to 2.0.
12373 * bootstrap: Add stdio-safer, unistd-safer modules.
12374 Remove m4/glibc2.m4 (introduced by latest gnulib, but
12376 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
12377 fopen-safer.c, stdio-safer.h, unistd-safer.h.
12378 * lib/subpipe.c: Include "unistd-safer.h".
12379 (create_subpipe): Make sure all the newly-created
12380 file descriptors are > 2, so that diagnostics don't
12381 get sent down them (which might cause Bison to hang, in theory).
12382 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
12383 * src/files.c (xfopen): Use fopen_safer, not fopen.
12385 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
12386 yesterday's yacc.c fix.
12388 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
12390 * data/glr.c, data/lalr1.cc: Update copyright date.
12392 Fix a destructor bug reported by Wolfgang Spraul in
12393 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
12394 * data/yacc.c (yyabortlab): Don't call destructor, and
12395 don't set yychar to EMPTY.
12396 (yyoverflowlab): Don't call destructor.
12397 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
12398 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
12399 since we no longer output the message "discarding lookahead token
12402 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
12404 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
12405 fix a small glitch in debugging output.
12406 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
12407 after YY_SYMBOL_PRINT where needed.
12409 (struct yyGLRState): Add some comments.
12410 (struct yySemanticOption): Add some comments.
12411 (union yyGLRStackItem): Add comment.
12413 (yymergeOptionSets): Correct this to properly perform the union,
12414 avoiding infinite reported by Michael Rosien.
12417 * tests/glr-regression.at: Add test for GLR merging error reported
12420 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
12422 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
12423 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
12424 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
12425 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
12426 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
12427 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
12428 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
12429 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
12430 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
12431 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
12432 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
12433 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
12434 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
12435 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
12436 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
12437 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
12438 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
12439 src/derives.h, src/files.c, src/files.h, src/getargs.c,
12440 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
12441 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
12442 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
12443 src/output.h, src/parse-gram.c, src/parse-gram.h,
12444 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
12445 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
12446 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
12447 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
12448 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
12449 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
12450 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
12451 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
12452 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
12453 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
12454 tests/reduce.at, tests/regression.at, tests/sets.at,
12455 tests/synclines.at, tests/testsuite.at, tests/torture.at:
12456 Update FSF postal mail address.
12458 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
12460 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
12461 Problem reported by Ralf Menzel.
12463 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
12465 * tests/actions.at: Test that stack overflow invokes destructors.
12466 From Marcus Holland-Moritz.
12467 * data/yacc.c (yyerrlab): Move the code that destroys the stack
12469 (yyreturn): to here. That way, destructors are called properly
12470 even if the stack overflows, or the user calls YYACCEPT or
12471 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
12472 (yyoverflowlab): Destroy the lookahead.
12474 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
12476 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
12478 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
12480 * NEWS: Bison-generated C parsers no longer quote literal strings
12481 associated with tokens.
12482 * src/output.c (prepare_symbols): Don't escape strings,
12483 since users don't want to see C escapes.
12484 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
12486 * tests/input.at (Torturing the Scanner): Likewise.
12487 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
12489 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
12491 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
12492 the data size is known to be too small and we can't increase it.
12493 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
12495 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
12497 * src/parse-gram.y: Include quotearg.h.
12498 (string_as_id): Quote $1 before using it as a key, since the
12499 lexer no longer quotes it for us.
12500 (string_content): Don't strip quotes, since lexer no longer
12502 * src/scan-gram.l: Include quotearg.h.
12503 ("\""): Omit quote.
12504 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
12505 a key, since the rest of the lexer doesn't quote it.
12506 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
12507 * tests/regression.at (Token definitions): Check for backslashes
12510 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
12511 (YYSIZE_T): Define to unsigned long int when using an older compiler.
12512 (yyparse): Revamp code to generate long syntax error message, to
12513 make it easier to translate, and to avoid problems with arithmetic
12514 overflow. Change "virtual memory" to "memory" in diagnostic, since
12515 we don't know whether the memory is virtual.
12517 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
12519 * NEWS: Bison-generated C parsers now use the _ macro to
12521 * data/yacc.c (_) [!defined _]: New macro.
12522 All English strings wrapped inside this macro.
12523 * doc/bison.texinfo (Bison Parser): Document _.
12524 * po/POTFILES.in: Include src/parse-gram.c, since it now
12525 includes translateable strings that parse-gram.y doesn't.
12527 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
12529 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
12530 reverting the 2004-10-11 change to this function.
12531 (symbol_check_alias_consistency): Don't call symbol_type_set
12532 if the type name is already correct.
12533 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
12535 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
12537 * tests/regression.at (Token definitions): Don't use a token named
12538 c, as that generates a "#define c ..." that runs afoul of buggy
12539 stdlib.h that uses the identifier c as a member of struct
12540 drand48_data. Problem reported by Horst Wente.
12542 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
12544 * bootstrap: Change translation URL from
12545 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
12546 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
12547 redirection glitches. Problem reported by twlevo@xs4all.nl.
12549 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
12551 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
12552 after operands; POSIX says this isn't portable for the c99 command.
12554 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
12556 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
12557 immediately if a data overrun has occurred; this may help us track
12558 down what may be a spurious failure on MacOS.
12560 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
12562 Respond to problems reported by twlevo@xs4all.nl.
12564 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
12566 * src/vcg.h: Comment fix.
12567 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
12568 (G_CMAX): Change to -1 instead of INT_MAX.
12570 * data/yacc.c (yyparse): Omit spaces before #line.
12572 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
12574 * src/tables.c (state_number_to_vector_number): Put it inside an
12575 "#if 0", since it's not currently used. Problem reported by
12578 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
12580 * src/output.c (escaped_output): Renamed from
12581 escaped_file_name_output, since we now use it for symbol tags as
12582 well. All uses changed.
12583 (symbol_destructors_output, symbol_printers_output):
12584 Escape symbol tags too.
12585 Problem reported by Matyas Forstner in
12586 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
12588 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
12590 * src/output.c (user_actions_output, token_definitions_output,
12591 symbol_destructors_output, symbol_printers_output): Likewise.
12592 * src/reader.c (prologue_augment): Likewise.
12593 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
12595 * src/vcg.c (output_edge): Don't quote linestyle arg.
12596 Problem reported by twlevo@xs4all.nl.
12598 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
12600 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
12601 example, reported by Derek M Jones. Also, make the example even
12602 more outrageous, to better illustrate how bad the problem is.
12604 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
12606 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
12607 putsym. Typo reported by Sebastian Piping.
12609 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
12611 * doc/bison.texinfo (Language and Grammar): some -> same
12612 (Epilogue): int he -> in the
12613 Typos reported by Sebastian Piping via Justin Pence.
12615 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
12617 * tests/glr-regression.at (Improper handling of embedded actions
12618 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
12619 embedded actions and $-N in GLR parsers", work around an Autoconf bug
12620 with dollar signs in test names.
12621 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
12622 for a similar reason.
12624 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
12626 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
12627 wants to redefine G_VIEW.
12629 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
12631 * src/vcg.c (get_view_str): Remove case for normal_view.
12632 Problem reported by twlevo@xs4all.nl.
12634 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
12636 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
12637 Problem reported by twlevo@xs4all.nl.
12639 * doc/bison.texinfo: Change @dircategory from "GNU programming
12640 tools" to "Software development". Requested by Richard Stallman
12643 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
12645 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
12646 Problem reported by twlevo@xs4all.nl.
12648 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
12650 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
12651 keyword; it's not needed with modern compilers, and it doesn't
12652 affect correctness with older compilers. Suggested by
12655 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
12657 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
12658 gcc -Wswitch-default.
12659 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
12660 * data/yacc.c (yyparse): Likewise.
12662 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
12664 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
12665 already. Let config.h define any nonstandard values.
12667 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
12669 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
12670 for the benefit of slower hosts. Problem reported by
12671 Nelson H. F. Beebe.
12673 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
12675 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
12676 being defined and not used.
12677 * data/lalr1.cc (yyparse): Likewise.
12678 Use "if (false)" rather than "if (0)".
12680 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
12682 * TODO: Mention that we should allow NUL bytes in tokens.
12684 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
12686 * src/scan-skel.l (<<EOF>>): Don't close standard output.
12687 Problem reported by Hans Aberg.
12689 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
12691 * src/getargs.c (version): Happy new year; update overall
12692 program copyright date from 2004 to 2005.
12694 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
12695 Problem reported by Hans Aberg.
12696 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
12697 (Output file names.): Add a test for the case when standard output
12700 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
12702 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
12703 to fix an oversight in the Bison 2.0 manual.
12705 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
12707 * NEWS: Version 2.0. Reformat the existing news items since
12708 1.875, so that related items are grouped together.
12709 * configure.ac (AC_INIT): Bump version to 2.0.
12710 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
12712 * tests/torture.at (Exploding the Stack Size with Alloca): Set
12713 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
12714 otherwise, we're not testing alloca. Unfortunately there's no
12715 simple way to consult HAVE_ALLOCA here.
12717 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
12720 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
12721 hand. This avoids a warning about comparing int to size_t when
12722 GCC warnings are enabled.
12724 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
12726 * NEWS: Bison-generated parsers no longer default to using the
12727 alloca function (when available) to extend the parser stack, due
12728 to widespread problems in unchecked stack-overflow detection.
12729 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
12730 responsibility to set it to a positive value. This lets the user
12731 specify a value that is not a preprocessor constant.
12732 * data/yacc.c (YYMAXDEPTH): Likewise.
12733 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
12734 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
12735 to be a compile-time constant. However, explain the constraints on it.
12736 Also, explain the constraints on YYINITDEPTH.
12737 (Table of Symbols): Explain that alloca is no longer the default.
12738 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
12741 * doc/bison.texinfo (Location Default Action): Mention that n must
12742 be zero when k is zero. Suggested by Frank Heckenbach.
12744 2004-12-22 Akim Demaille <akim@epita.fr>
12746 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
12747 (parser::state_type, parser::semantic_type, parser::location_type):
12748 Private, not public.
12749 (parser::parse): Return ints, not bool.
12750 Returning a bool introduces a problem: 0 corresponds to false, and
12751 it seems weird to return false on success. Returning true changes
12752 the conventions for yyparse.
12753 Alternatively we could return void and send an exception.
12754 There is no clear consensus (yet?).
12755 (state_stack, semantic_stack, location_stack): Rename as...
12756 (state_stack_type, semantic_stack_type, location_stack_type): these.
12757 Private, not public.
12758 * tests/c++.at: New.
12759 * tests/testsuite.at, tests/Makefile.am: Adjust.
12761 2004-12-21 Akim Demaille <akim@epita.fr>
12763 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
12765 2004-12-21 Akim Demaille <akim@epita.fr>
12767 Don't impose std::string for filenames.
12769 * data/lalr1.cc (b4_filename_type): New.
12770 (position::filename): Use it.
12771 (parser.hh): Move the inclusion of stack.hh and location.hh below
12772 the user code, so that needed headers for the filename type can be
12774 Forward declare them before the user code.
12775 * tests/Makefile.am (check-local, installcheck-local): Pass
12776 TESTSUITEFLAGS to the TESTSUITE.
12778 2004-12-20 Akim Demaille <akim@epita.fr>
12780 Use more STL like names: my_class instead of MyClass.
12782 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
12783 (SemanticStack, SemanticType, StateStack, StateType)
12784 (TokenNumberType, Stack, Slice, Traits, Parser::location)
12785 (Parser::value): Rename as...
12786 (location_stack, location_type, rhs_number_type, semantic_stack)
12787 (semantic_type, state_stack, state_type, token_number_type, stack)
12788 (slice, traits, parser::yylloc, parser::yylval): these.
12790 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
12792 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
12794 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
12795 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
12797 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
12799 Remove uses of 'short int' and 'unsigned short int'. This raises
12800 some arbitrary limits. It uses more memory but nowadays that's
12801 not much of an issue.
12803 This change does not affect the generated parsers; that's a different
12804 task, as some users will want to conserve memory there.
12806 Ideally we should use size_t to represent all object counts, and
12807 something like ptrdiff_t to represent signed differences of object
12808 counts; but that will require more code-cleanup than I have the
12809 time to do right now.
12811 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
12812 Use size_t, not int or short int, to count objects.
12813 * src/closure.c (nritemset, closure): Likewise.
12814 * src/closure.h (nritemset, closure): Likewise.
12815 * src/nullable.c (nullable_compute): Likewise.
12816 * src/print.c (print_core): Likewise.
12817 * src/print_graph.c (print_core): Likewise.
12818 * src/state.c (state_compare, state_hash): Likewise.
12819 * src/state.h (struct state): Likewise.
12820 * src/tables.c (default_goto, goto_actions): Likewise.
12822 * src/gram.h (rule_number, rule): Use int, not short int.
12823 * src/output.c (prepare_rules): Likewise.
12824 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
12825 errs, reductions): Likewise.
12826 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
12828 * src/tables.c (vector_number, tally, action_number,
12829 ACTION_NUMBER_MINIMUM): Likewise.
12830 * src/output.c (muscle_insert_short_int_table): Remove.
12832 2004-12-17 Akim Demaille <akim@epita.fr>
12834 * data/lalr1.cc: Extensive Doxygenation.
12835 (error_): Rename as...
12836 (error): this, since it is visible to the user.
12838 (Parser::message): Now an automatic variable from...
12839 (Parser::yyreport_syntax_error_): here.
12840 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
12842 * tests/input.at: Escape $.
12844 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
12846 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
12847 Parenthesize rhs to avoid obscure problems with mistakes like
12848 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
12849 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
12850 b4_rhs_location): Likewise.
12851 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
12852 b4_rhs_location): Likewise.
12854 2004-12-16 Akim Demaille <akim@epita.fr>
12856 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
12857 yacc.c: be sure to stay within yycheck_.
12858 * tests/actions.at: Re-enable C++ tests.
12860 2004-12-16 Akim Demaille <akim@epita.fr>
12862 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
12865 2004-12-16 Akim Demaille <akim@epita.fr>
12867 Use #define to handle the %name-prefix.
12869 * data/glr.c, data/yacc.c: Comment changes.
12870 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
12871 so that one can refer to yylex in the parser file, and have it
12872 renamed, as is the case with other skeletons.
12874 2004-12-16 Akim Demaille <akim@epita.fr>
12876 Move lalr1.cc internals into yy*.
12878 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
12879 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
12880 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
12881 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
12882 (empty_, final_, terror_, errcode_, ntokens_)
12883 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
12884 (looka_, ilooka_, error_range_, nerrs_):
12886 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
12887 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
12888 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
12889 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
12890 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
12891 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
12892 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
12893 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
12896 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
12898 Fix some problems reported by twlevo at xs4all.
12899 * src/symtab.c (symbol_new): Report an error if the input grammar
12900 contains too many symbols. This is better than calling abort() later.
12901 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
12902 (struct node, struct graph):
12903 Rename member expand to stretch. All uses changed.
12904 (struct graph): Remove member layoutalgorithm. All uses removed.
12905 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
12906 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
12908 (N_STRETCH): Rename from N_EXPAND. All uses changed.
12910 2004-12-15 Akim Demaille <akim@epita.fr>
12912 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
12913 Add more Doxygen comments.
12914 (symprint_, stack_print_, reduce_print_, destruct_, pop)
12915 (report_syntax_error_, translate_): Rename as...
12916 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
12917 (yypop_, yyreport_syntax_error_, yytranslate_): this.
12919 2004-12-15 Akim Demaille <akim@epita.fr>
12921 * data/lalr1.cc (lex_): Rename as...
12923 Move the trace here.
12924 Take the %name-prefix into account.
12925 Reported by Alexandre Duret-Lutz.
12927 2004-12-15 Akim Demaille <akim@epita.fr>
12929 Simplify the C++ parser constructor.
12931 * data/lalr1.cc (debug_): Rename as...
12932 (yydebug_): so that the parser's internals are always in the yy*
12935 (b4_parse_param_decl): Remove the leading comma as it is now only
12936 called as unique argument list.
12937 (Parser::Parser): Remove the constructor accepting a location and
12938 an initial debugging level.
12939 Remove from the other ctor the argument for the debugging level.
12940 (debug_level_type, debug_level, set_debug_level): New.
12942 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
12945 2004-12-15 Akim Demaille <akim@epita.fr>
12947 Remove b4_root related material: failure experiment
12948 (which goal was to allow to derive from a class).
12950 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
12951 definitions and uses.
12953 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
12955 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
12956 not 2, since it's not portable to subtract 1 from the start of an
12957 array. The new item 0 is never set or used. All uses changed.
12959 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
12960 the default definition of YYLLOC_DEFAULT. Problem reported
12961 by Frank Heckenbach.
12963 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
12965 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
12966 the normal case and one for the error case. Just use the
12967 first one uniformly. Problem reported by Frank Heckenbach.
12968 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
12969 use exactly the same macro in both places.
12970 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
12971 so that the normal-case YYRHSLOC works for the error case too.
12973 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
12974 (YYLLOC_DEFAULT): Use the same macro as glr.c.
12975 * doc/bison.texinfo (Location Default Action): Don't claim that
12976 we have an array of locations. Use the same macro for both glr
12977 and lalr parsers. Mention YYRHSLOC. Mention what happens when
12980 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
12982 * HACKING: Update email addresses to send announcements to.
12984 * configure.ac (AC_INIT): Bump version to 1.875f.
12986 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
12988 * NEWS: Version 1.875e.
12989 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
12991 * src/scan-skel.l: Include "complain.h", for "fatal".
12993 * src/relation.h (relation_print, relation_digraph):
12994 Relation sizes are of type relation_node, not size_t (this is
12995 merely a doc fix, since the two types are equivalent).
12996 (relation_transpose): Relation sizes are of type relation_node,
12998 * src/relation.c: Likewise.
12999 (top, infinity): Now of type relation_node, not int.
13000 (traverse, relation_transpose): Use relation_node, not int.
13002 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
13003 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
13004 (yyparse): Remove unused local introduced in 2004-10-25 patch.
13006 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
13007 specifying whether the test should be skipped. Use it tp
13008 specify that the [%defines %skeleton "lalr1.cc"] tests currently
13009 fail on some hosts, and should be skipped.
13011 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
13013 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
13014 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
13015 unless otherwise specified below.
13017 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
13018 to allocate kernel_base, kernel_items, kernel_size, since
13019 they needn't be initialized to 0.
13020 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
13021 * src/closure.c (new_closure): Likewise, for itemset.
13022 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
13023 * src/lalr.c (set_goto_map): Likewise, for temp_map.
13024 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
13025 (build_relations): Likewise for edge, states1, includes.
13026 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
13027 * src/reader.c (packgram): Likewise, for ritem, rules.
13028 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
13029 * src/relation.c (relation_digraph): Likewise for VERTICES.
13030 (relation_transpose): Likewise for new_R, end_R.
13031 * src/symtab.c (symbols_token_translations_init): Likewise for
13032 token_translations.
13033 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
13034 (token_actions): Likewise for yydefact, actrow, conflrow,
13036 (save_column): Likewise for froms[symno], tos[symno].
13037 (goto_actions): Likewise for state_count.
13038 (pack_table): Likewise for base, pos, check.
13039 (tables_generate): Likewise for width.
13041 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
13042 for initial core. Just have a separate core, so we needn't worry
13043 about whether kernel_size and kernel_base are initialized.
13045 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
13046 kernel_size, kernel_items): Remove unnecessary initialization.
13047 * src/conflicts.c (conflicts): Likewise.
13048 * src/derives.c (derives): Likewise.
13049 * src/muscle_tablc (muscle_insert): Likewise.
13050 * src/relation.c (relation_digraph): Likewise.
13051 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
13052 conflrow, conflict_table, conflict_list, table, check):
13055 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
13056 This is because all callers pass unsigned int.
13057 * src/closure.h (new_closure): Likewise.
13059 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
13060 (build_relations): Initialize includes[i] in all cases.
13061 * src/reader.c (packgram): Always initialize rules[ruleno].prec
13062 and rules[ruleno].precsym. Initialize members in order.
13063 * src/relation.c (relation_transpose): Always initialize new_R[i]
13065 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
13067 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
13068 conflict_list[0] was always 0, but now it isn't initialized.
13070 * src/table.c (table_grow): When conflict_table grew, the grown
13071 area wasn't cleared. Fix this.
13073 * lib/.cvsignore: Add strdup.c, strdup.h.
13074 * m4/.cvsignore: Add strdup.m4.
13076 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
13078 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
13079 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
13080 GOTO_NUMBER_MAXIMUM, since we occasionally compute
13081 ngotos + 1 without checking for overflow.
13082 (build_relations): Use END_NODE, not -1, to denote end of edges.
13083 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
13084 build_relations): Use goto_number, not int, for goto numbers.
13085 * src/tables.c (save_column, default_goto): Likewise.
13087 2004-11-23 Akim Demaille <akim@epita.fr>
13089 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
13090 of #defining from yystype.
13091 Don't typedef yystype, C++ does not need it.
13092 This lets it possible to forward declare it as union.
13094 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
13096 * bootstrap (gnulib_modules): Add extensions.
13097 Problem reported by Jim Meyering.
13099 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
13101 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
13102 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
13103 src/system.h, src/tables.c: XFREE -> free, to accommodate
13104 recent change to gnulib xalloc.h.
13105 Problem reported by Jim Meyering.
13107 2004-11-17 Akim Demaille <akim@epita.fr>
13109 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
13111 2004-11-17 Akim Demaille <akim@epita.fr>,
13112 Alexandre Duret-Lutz <adl@gnu.org>
13114 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
13116 (YYCDEBUG): Adjust.
13117 Use it instead of cdebug_.
13118 (Parser::debug_stream, Parser::set_debug_stream): New.
13119 (Parser::symprint_): Define cdebug_ for temporary backward
13121 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
13124 2004-11-17 Akim Demaille <akim@epita.fr>
13126 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
13127 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
13128 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
13129 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
13131 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
13133 * data/glr.c (yyloc_default): Remove; not used.
13134 Problem reported by Frank Heckenbach.
13136 2004-10-25 Akim Demaille <akim@epita.fr>
13138 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
13139 Introduce another definition to address simple location arrays.
13140 (yyGLRStack): New member: yyerror_range.
13141 (yyrecoverSyntaxError, yyparse): Update it.
13142 (yyrecoverSyntaxError): Use it when shifting the error token to
13143 have an accurate range, equivalent to the one computed by both
13144 yacc.c and lalr1.cc.
13145 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
13146 that column numbers start at column 0, as per GNU Coding
13147 Standards, the others tests, and the doc.
13148 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
13149 Adjust to the above change (first column is 0).
13150 And adjust the location of the "<error>", now covering the whole
13153 2004-10-22 Akim Demaille <akim@epita.fr>
13154 and Paul Eggert <eggert@cs.ucla.edu>
13156 Remove some arbitrary limits on goto numbers and relations.
13157 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
13158 initial values, since they're never used.
13159 (set_goto_map): ngotos is now unsigned, so test for overflow
13160 by seeing whether it wraps around to zero.
13161 * src/lalr.h (goto_number): Now size_t, not short int.
13162 (GOTO_NUMBER_MAXIMUM): Remove.
13163 * src/relation.c (relation_print, traverse, relation_transpose):
13164 Check for END_NODE rather than looking at sign.
13165 * src/relation.h (END_NODE): New macro.
13166 (relation_node): Now size_t, not short int.
13168 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
13170 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
13171 keyword, not an identifier. Problem reported by Baron Schwartz in
13172 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
13174 2004-10-11 Akim Demaille <akim@epita.fr>
13176 * src/symtab.c (symbol_check_alias_consistency): Also check
13177 type names, destructors, and printers.
13178 Reported by Alexandre Duret-Lutz.
13179 Recode the handling of associativity and precedence in terms
13180 of symbol_precedence_set.
13181 Accept no redeclaration at all, not even equal to the previous
13183 (redeclaration): New.
13184 Use it to factor redeclaration complaints.
13185 (symbol_make_alias): Don't set the type of the alias, let
13186 symbol_check_alias_consistency do it as for other features.
13187 * src/symtab.h (symbol): Add new member prec_location, and
13189 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
13190 * tests/input.at (Incompatible Aliases): New.
13192 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
13194 .cvsignore fixes to accommodate gnulib changes,
13195 and the practice of naming build directories "_build".
13196 * .cvsignore: Add "_*". Sort.
13197 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
13198 * m4/.cvsignore: Add "*_gl.m4".
13200 2004-10-06 Akim Demaille <akim@epita.fr>
13202 * src/parse-gram.y (add_param): Fix the truncation of trailing
13205 2004-10-05 Akim Demaille <akim@epita.fr>
13207 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
13208 whether the reducion was empty or not. This leaves room to
13209 improve the use of YYLLOC_DEFAULT in such a case.
13210 lalr1.cc is still experimental, so changing this is acceptable.
13211 And finally, there are probably not many users who changed the
13212 handling of locations in GLR, so changing is admissible too.
13214 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
13215 empty reduction, set @$ to an empty location ending the previously
13217 Adjust uses to make sure the code is triggered on empty
13219 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
13220 expected output: empty reductions have empty locations.
13222 2004-09-29 Akim Demaille <akim@epita.fr>
13224 * data/lalr1.cc: Move towards a more standard C++ coding style
13225 for templates: Class < T > -> Class<T>.
13227 2004-09-29 Akim Demaille <akim@epita.fr>
13229 * data/lalr1.cc: Reinstall the former ctor, for sake of
13230 compatibility, but warn it will be removed.
13231 Move towards a more standard C++ coding style (i.e., type *var ->
13234 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
13236 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
13237 since it's less likely to work if NULs are involved in the future.
13239 2004-09-27 Akim Demaille <akim@epita.fr>
13241 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
13243 2004-09-27 Akim Demaille <akim@epita.fr>
13245 * data/lalr1.cc (b4_parse_param_decl_1): New.
13246 (b4_parse_param_decl): Use it to have different names between attribute
13247 and argument names.
13248 (b4_cc_constructor_call): Likewise.
13250 2004-09-24 Akim Demaille <akim@epita.fr>
13252 * src/parse-gram.y (add_param): Strip the leading and trailing
13253 blanks from a formal argument declaration.
13254 (YY_LOCATION_PRINT): New.
13256 2004-09-24 Akim Demaille <akim@epita.fr>
13258 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
13259 after the location.
13261 2004-09-24 Akim Demaille <akim@epita.fr>
13263 * doc/bison.texinfo (Table of Symbols): Sort.
13265 2004-09-21 Akim Demaille <akim@epita.fr>
13267 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
13268 the useless parentheses.
13269 Suggested by Paul Eggert.
13271 2004-09-20 Akim Demaille <akim@epita.fr>
13273 Let the initial-action act on the look-ahead, and use it for the
13274 "initial push" (corresponding to an hypothetical beginning-of-file).
13275 And let lalr1.cc honor %initial-action.
13277 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
13279 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
13280 (Parser::Parser): Remove the ctor that used to initialize it.
13281 (Parser::parse): Like in the other skeletons, issue the "starting
13282 parse" message before any action.
13283 Honor %initial-action.
13284 Initialize the stacks with the lookahead.
13285 * data/yacc.c: Let $$ and @$ in %initial-action designate the
13287 Push them in the stacks.
13288 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
13290 2004-09-20 Akim Demaille <akim@epita.fr>
13292 * doc/bison.texinfo (Initial Action Decl): New.
13294 2004-09-20 Akim Demaille <akim@epita.fr>
13296 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
13297 clearer criterion to define it.
13298 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
13299 When reducing on an empty RHS, use the latest stacked location as
13301 yylloc is not always available.
13302 * data/glr.c: Likewise.
13303 Also, honor initial-actions.
13305 2004-09-20 Akim Demaille <akim@epita.fr>
13307 * data/yacc.c (YY_LOCATION_PRINT): New.
13308 Define when we know YYLTYPE's structure, i.e., when the default
13309 YYLLOC_DEFAULT is used.
13310 * data/c.m4 (b4_yysymprint_generate): Use it.
13311 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
13312 value of the result.
13313 (error_start_): Replace with...
13314 (error_range_): this location array.
13315 This allows to replace code relying on the implementation of
13316 locations by portable code.
13317 * data/yacc.c (yylerrsp): Replace with...
13318 (yyerror_range): this.
13319 Every time a token is popped, update yyerror_range[0], to have an
13320 accurate location for the error token.
13321 * data/glr.c (YY_LOCATION_PRINT): New.
13322 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
13323 deference a pointer.
13324 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
13325 report the location in %printers.
13327 * src/scan-skel.l: Instead of abort, report error messages to ease
13328 understanding skeleton scanning failures.
13330 2004-09-16 Akim Demaille <akim@epita.fr>
13332 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
13333 (iterator, const_iterator): these, to be more in the C++ spirit.
13334 Also, return reverse iterators so that when displaying the stack
13335 we display its bottom first.
13336 (Parser::stack_print_, Parser::reduce_print_): Match the messages
13338 We should probably use vector here though.
13340 2004-09-16 Akim Demaille <akim@epita.fr>
13342 Have more complete shift traces.
13344 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
13345 to report Shifts instead of ad hoc YYDPRINTF invocations,
13346 including for the error token.
13347 * data/lalr1.cc (symprint_): Output the location.
13348 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
13349 output the location within the %printer.
13350 Activate GLR tests, at least to make sure they compile properly.
13351 They still don't pass though.
13352 * tests/calc.at: Adjust expect verbose output, since now "Entering
13353 state..." is on a different line than the "Shifting" message.
13355 2004-09-08 Akim Demaille <akim@epita.fr>
13357 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
13358 Bison directive from the Bison file to the invocation of this
13359 macro, so that these directives are passed to
13360 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
13361 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
13362 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
13363 the extra Bison directives instead of the whole series.
13364 Change the grammar so that there are recoverable errors, and
13365 unrecoverable errors. Now we can have the parser give up before
13366 consuming the whole input. As a result we now can observe that
13367 the lookahead is freed when needed.
13368 Change the parser source to parse argv[1] instead of a hard coded
13370 Simplify yylex, and give a value and location to EOF.
13371 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
13372 passed directives already coded in the file.
13373 Add some tests to check the location of "error".
13374 For some tests, the C++ parser is correct, and not yacc.c.
13375 For other tests, they provide different, but unsatisfying, values,
13376 so keep the C++ value so that at least one parser is "correct"
13377 according to the test suite.
13378 (Actions after errors): Remove, this is subsumed by the
13379 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
13381 2004-09-06 Akim Demaille <akim@epita.fr>
13383 * data/lalr1.cc: Adjust the indentation of the labels.
13384 (Parser::pop): New.
13387 2004-09-06 Akim Demaille <akim@epita.fr>
13389 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
13390 argument, an informative message.
13391 Call YY_SYMBOL_PRINT.
13392 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
13393 * data/lalr1.cc (destruct_): Likewise.
13394 In addition, no longer depend on b4_yysymprint_generate and
13395 b4_yydestruct_generate to generate these functions, do it "by
13398 2004-09-03 Akim Demaille <akim@epita.fr>
13400 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
13401 invoked, yydestruct the lookahead.
13402 * tests/calc.at (Calculator $1): Update the expected lengths of
13403 traces: there is an added line for the discarded lookahead.
13404 * doc/bison.texinfo (Destructor Decl): Some rewording.
13405 Define "discarded" symbols.
13407 2004-09-02 Akim Demaille <akim@epita.fr>
13409 * data/lalr1.cc (translate_, destruct_): No reason to be static.
13411 2004-09-02 Akim Demaille <akim@epita.fr>
13413 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
13414 (YYDSYMPRINTF): Rename as...
13415 (YY_SYMBOL_PRINT): this.
13416 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
13418 Use it instead of direct symprint_ calls.
13419 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
13422 2004-09-02 Akim Demaille <akim@epita.fr>
13424 * data/lalr1.cc (b4_yysymprint_generate): New.
13425 (symprint_): New member function, defined when YYDEBUG.
13426 Use it consistently instead of token/nterm debugging output by
13428 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
13429 %printer calls to use cdebug_ when using lalr1.cc.
13431 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
13433 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
13434 with #ifdef YYDEBUG.
13436 2004-08-26 Akim Demaille <akim@epita.fr>
13438 * doc/bison.texinfo (Implementing Loops): Rename as...
13439 (Implementing Gotos/Loops): this.
13441 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
13443 Adjust to latest gnulib.
13444 * bootstrap (gnulib_modules): Add xalloc-die.
13445 Set LC_ALL=C so that file names sort consistently.
13446 Prefer the gnulib copies of gettext.m4, glibc21.m4,
13447 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
13448 uintmax_t.m4, ulonglong.m4.
13449 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
13450 po.m4 since we are now using _gl.m4 instead.
13452 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
13454 * src/scan-action.l: Remove. Scanning of semantic actions is
13455 handled in scan-gram.l.
13457 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
13459 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
13461 * src/location.h (struct): The file member is a uniqstr.
13462 (equal_boundaries): Use UNIQSTR_EQ for comparison.
13464 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
13466 Fix bug with non-%union parsers that have printers or destructors,
13467 which led to a Bison core dump. Reported by Peter Fales in
13468 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
13470 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
13471 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
13472 not to our own type.
13473 * src/output.c (symbol_destructors_output, symbol_printers_output):
13474 Don't assume %union.
13475 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
13476 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
13477 UNION-FLAG. All callers changed.
13478 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
13479 Use type char, not unsigned int, when declaring an array of char;
13480 this lets us remove a cast.
13481 (Printers and Destructors): Add non-%union test cases.
13483 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
13485 * doc/bison.texinfo: Minor editorial changes, mostly to the new
13486 GLR writeups. E.g., avoid frenchspacing and the future tense,
13487 change "lookahead" to "look-ahead", and change "wrt" to "with
13490 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
13492 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
13493 New sections, split off from the GLR Parsers section. Put the new
13494 Simple GLR Parser near the start of the GLR section, for clarity.
13495 Rewrite connective text.
13497 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
13499 * doc/bison.texinfo (Simple GLR Parsers): New section.
13501 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
13503 * NEWS, TODO, doc/bison.texinfo:
13504 Use "look-ahead" instead of "lookahead", to be consistent.
13505 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
13506 while we're fixing "look-ahead".
13507 * src/conflicts.c (shift_set): Renamed from shiftset.
13508 (look_ahead_set): Renamed from lookaheadset.
13509 * src/print.c: Likewise.
13510 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
13511 name for "lookahead".
13512 (report_types, usage): Likewise.
13513 * src/getargs.h (report_look_ahead_tokens): Renamed from
13515 * src/lalr.c (compute_look_ahead_tokens): Renamed from
13516 compute_lookaheads.
13517 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
13518 (look_ahead_tokens_print): Renamed from lookaheads_print.
13519 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
13520 state_rule_lookaheads_print.
13521 * src/state.h: Likewise.
13522 (reductions.look_ahead_tokens): Renamed from lookaheads.
13523 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
13524 AT_DATA_LOOKAHEADS_GRAMMAR.
13526 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
13528 * README: Update location of patched M4 distribution.
13530 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
13532 Don't assume the C++ compiler takes the same arguments as the C compiler
13534 * configure.ac (O0CXXFLAGS): New var.
13535 * tests/atlocal.in (CXXFLAGS): Use it.
13537 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
13539 Fix some "make check" problems with C++ reported by
13540 Albert Chin-A-Young for Tru64 C++ in this thread:
13541 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
13543 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
13544 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
13545 Output to a .cc file for C++, not to a .c file.
13546 * tests/calc.at (AT_CHECK_CALC): Likewise.
13547 * tests/regression.at (AT_CHECK_DANCER): Likewise.
13548 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
13550 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
13552 * tests/calc.at, tests/actions.at: Workaround for SGI
13553 C++ compiler. (trivial change)
13555 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
13557 Spent a few hours checking out which prerequisite versions the
13558 current sources actually require. I went all the way back to
13559 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
13560 a seemingly endless set of combinations of versions more recent
13561 than that. The bottom line is that the current sources require
13562 fairly recent versions of the build tools, and it'll be some work
13564 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
13565 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
13566 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
13567 Add comments explaining why those particular versions are
13570 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
13571 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
13572 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
13574 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
13575 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
13577 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
13579 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
13580 0.11.5. Suggested by Bruno Haible.
13581 * bootstrap: Remove gettext version checking.
13583 * doc/bison.texinfo (Decl Summary): Also mention that %union
13584 can depend on prerequisite types. Problem reported by Tim
13587 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
13589 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
13590 * README-alpha: Don't tell people not to package this.
13592 * bootstrap: Don't assume $(...) works; use `...` instead.
13593 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
13596 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
13597 put into the -d output file, and mention what to do if YYSTYPE is
13598 defined as a macro.
13600 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
13602 Undo change made earlier today: it caused autopoint to not bring
13603 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
13606 * bootstrap: Check that gettext version matches what's in
13607 configure.ac. Warn users to ignore robots.txt ERROR 404.
13608 * bootstrap: Undo today's earlier change (logged below).
13609 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
13611 The gettext version checking is causing more trouble than it's
13612 curing; remove it. Problem reported by Paul Hilfinger.
13614 * bootstrap: Issue a warning that one can expect a message
13615 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
13616 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
13618 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
13620 Ensure that the C++ compiler used for testing actually works on a
13621 simple test program; if not, skip the C++-related tests. Problem
13622 reported by Vin Shelton in:
13623 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
13625 * m4/cxx.m4: New file.
13626 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
13627 * tests/atlocal.in (BISON_CXX_WORKS): Add.
13628 * tests/local.at (AT_COMPILE_CXX): Use it.
13630 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
13632 * data/glr.c (yylloc): Output this macro even if locations are not
13633 being generated, as the GLR parser needs it even in that case.
13634 Problem reported by Troy A. Johnson
13635 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
13637 * configure.ac (AC_INIT): Update to 1.875e.
13639 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
13641 * NEWS: Version 1.875d.
13642 * configure.ac (AC_INIT): Likewise.
13643 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
13645 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
13646 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
13647 lalr1.cc runs afoul of the first, and the last two are no longer
13648 supported by GCC 3.4.0.
13649 * README: Mention GNU m4 1.4 or later; mention m4 patches.
13650 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
13652 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
13654 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
13655 unsigned int, for compatibility with latest gnulib hash module.
13656 * src/state.c (state_hash, state_hasher): Likewise.
13657 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
13658 * src/uniqstr.c (hash_uniqstr): Likewise.
13660 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
13662 * NEWS: Unescaped newlines are no longer allowed in char & strings.
13664 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
13665 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
13666 character and string literals.
13667 (unexpected_end): New function.
13668 (unexpected_eof): Use it.
13669 (unexpected_newline): New function.
13670 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
13673 * NEWS: Document %expect-rr.
13675 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
13676 Fix typo by replacing $1 with $option.
13677 Remove more 'intl'-related files.
13678 Don't DEFUN AM_INTL_SUBDIR twice.
13680 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
13681 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
13683 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
13684 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
13685 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
13686 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
13687 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
13688 * src/.cvsignore: Add *.output.
13690 * src/parse-gram.y: Put copyright notice inside %{ %} so it
13691 gets copied to the output file.
13693 2004-04-28 Paul Eggert <eggert@twinsun.com>
13695 Get files from the gnulib and po repositories, instead of relying
13696 on them being in our CVS. Upgrade to latest versions of gnulib
13699 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
13700 * bootstrap: Bootstrap from gnulib and po repositories.
13701 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
13702 * README-cvs: Document these changes. Remove version numbers from
13703 mentions of build tools, since they change so often. Mention Flex.
13705 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
13706 (gl_USE_SYSTEM_EXTENSIONS): Add.
13707 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
13708 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
13710 (AC_ISC_POSIX): Remove; we no longer support this
13711 ancient OS, as it gets in the way of latest Autoconf & gnulib.
13712 (AC_HEADER_STDC): Remove: we now assume C89 or better.
13713 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
13714 Do not check for C89 headers, except for locale.h which is used
13715 by the Yacc library and must port to K&R hosts.
13716 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
13717 Do not check for C89 functions, except for setlocale which is
13718 used by the Yacc library.
13719 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
13720 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
13721 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
13722 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
13723 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
13724 AM_GNU_GETTEXT): Remove; now done by:
13725 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
13726 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
13729 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
13730 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
13731 Define to empty, as gnulib.mk will do the rest for us.
13732 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
13734 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
13735 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
13737 * src/files.c: Include gnulib's xstrndup.h.
13739 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
13740 (REALLOC): Use xnrealloc, for likewise.
13741 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
13742 (strnlen, memrchr): Remove decls; functions no longer used.
13743 Include <stpcpy.h>.
13745 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
13746 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
13747 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
13748 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
13749 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
13750 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
13751 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
13752 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
13753 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
13754 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
13755 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
13756 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
13757 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
13758 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
13759 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
13760 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
13761 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
13762 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
13763 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
13764 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
13765 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
13766 Remove, as these files are now generated automatically
13767 by bootstrap or automake.
13769 * po/ChangeLog: Remove: all but one entry was a duplicate
13770 of this file, and I moved that 2000-11-02 entry here.
13772 * config/.cvsignore: Add Makefile, depcomp, install-sh.
13773 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
13774 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
13775 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
13776 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
13777 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
13778 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
13779 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
13780 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
13781 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
13782 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
13784 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
13785 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
13786 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
13787 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
13788 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
13789 * src/.cvsignore: Remove *_.c.
13792 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
13793 support it. (The latest stable gzip doesn't.)
13795 2004-04-27 Paul Eggert <eggert@twinsun.com>
13797 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
13798 case, as stos_ is now used by destructors due to the 2004-02-09
13801 Remove more K&R C support.
13802 * lib/libiberty.y (PARAMS): Remove. All uses removed.
13803 * lib/subpipe.c (errno): Remove decl.
13804 Include <stdlib.h> unconditionally.
13805 (EXIT_FAILURE): Remove macro.
13806 * src/complain.c (vfprintf, strerror): Remove.
13807 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
13809 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
13810 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
13811 (strchr, strspn, memchr): Remove decls.
13812 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
13813 unconditionally. Do not declare perror.
13814 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
13817 * src/complain.c (_): Remove useless defn, as system.h defines this.
13819 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
13820 with latest obstack.h.
13821 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
13822 to procedure types, as obstack.h now does that for us.
13823 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
13825 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
13826 so that this include file can stand alone.
13827 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
13828 does this now. Include subpipe.h first after config.h, to
13829 test whether it can stand alone.
13831 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
13832 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
13833 unused declaration.
13835 * tests/synclines.at (%union synch line): Put a dummy member in
13836 the union, because empty unions aren't allowed in C. Caught
13839 2004-04-13 Jim Meyering <jim@meyering.net>
13841 * src/conflicts.c (conflicts_print): Correct format string typo:
13842 use `%%' to produce literal `%'. (trivial change)
13844 2004-03-30 Paul Eggert <eggert@twinsun.com>
13846 * src/getargs.c (version): Update copyright year to 2004.
13848 * data/c.m4 (b4_int_type): Use 'short int' rather than
13849 'short', and similarly for 'long', 'unsigned', etc.
13850 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
13851 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
13852 yy_yypstack, yydumpstack): Likewise.
13853 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
13854 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
13856 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
13857 yy_stack_print, yyparse): Likewise.
13858 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
13859 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
13860 * lib/bitset.c (bitset_print): Likewise.
13861 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
13862 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
13863 * lib/bitsetv.c (bitsetv_dump): Likewise.
13864 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
13865 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
13867 * src/LR0.c (allocate_itemsets): Likewise.
13868 * src/gram.h (rule_number, rule): Likewise.
13869 * src/lalr.h (goto_number): Likewise.
13870 * src/nullable.c (nullable_compute): Likewise.
13871 * src/output.c (prepare_rules): Likewise.
13872 * src/relation.c (relation_print, relation_digraph): Likewise.
13873 * src/relation.h (relation_node): Likewise.
13874 * src/state.h (state_number, transitions, errs, reductions,
13875 struct state): Likewise.
13876 * src/symtab.h (symbol_number, struct symbol): Likewise.
13877 * src/tables.c (vector_number, tally, action_number,
13878 default_goto, goto_actions): Likewise.
13879 * tests/existing.at (GNU Cim Grammar): Likewise.
13880 * tests/regression.at (Web2c Actions): Likewise.
13882 * src/output.c (muscle_insert_short_int_table): Renamed from
13883 muscle_insert_short_table. All uses changed.
13885 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
13887 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
13888 (declaration): Replace expected_conflicts with expected_sr_conflicts.
13889 Add %expect-rr rule.
13891 * src/scan-gram.l: Recognize %expect-rr.
13893 * src/conflicts.h (expected_sr_conflicts): Rename from
13894 expected_conflicts.
13895 (expected_rr_conflicts): Declare.
13897 * src/conflicts.c (expected_sr_conflicts): Rename from
13898 expected_conflicts.
13899 (expected_rr_conflicts): Define.
13900 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
13902 Use expected_sr_conflicts in place of expected_conflicts.
13903 Warn if expected_rr_conflicts used in non-GLR parser.
13905 * doc/bison.texinfo: Add documentation for %expect-rr.
13907 2004-03-08 Paul Eggert <eggert@gnu.org>
13909 Add support for hex token numbers. Suggested by Odd Arild Olsen in
13910 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
13912 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
13914 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
13915 * src/scan-gram.l (scan_integer): New function.
13917 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
13918 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
13919 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
13920 Say "long int", not "long", for uniformity with GNU style.
13922 2004-02-25 Paul Eggert <eggert@twinsun.com>
13924 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
13925 compilers. This fixes a problem with Intel's C++ compiler being
13926 chatty, reported by Guido Trentalancia in
13927 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
13929 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
13931 Support %destructor and merge error locations in lalr1.cc.
13933 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
13934 (Parser::stos_): Define unconditionally.
13935 (Parser::destruct_): New method. Generate its body with
13936 b4_yydestruct_generate.
13937 (Parser::error_start_): New attribute.
13938 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
13939 token which are discarded.
13940 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
13941 error_start_ when erroneous token are discarded.
13942 (Parser::parse) <yyerrlab1>: Compute the location of the error
13943 token so that it covers all the discarded tokens.
13944 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
13945 it can be called with `%skeleton "lalr1.cc"', and do that.
13947 2004-02-02 Paul Eggert <eggert@twinsun.com>
13949 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
13950 $(top_srcdir)/lib and ../lib. This fixes a bug reported
13951 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
13952 There's no need to mention top_builddir since Automake does that
13954 (INCLUDES): Remove, as Automake says it's obsolescent.
13955 Contents migrated into AM_CPPFLAGS as described above.
13956 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
13958 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
13960 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
13961 (yyreportSyntaxError): Handle case where lookahead token is
13964 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13966 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
13967 resulting parsers are compilable with C++.
13969 2003-12-23 Paul Eggert <eggert@twinsun.com>
13971 * config/depcomp, config/install-sh: Sync with Automake 1.8.
13972 * src/output.c (output_skeleton): Rename local var.
13973 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
13974 Bison tokens, as this runs afoul of the 2003-10-07 change that
13975 disallowed NUL bytes in character constants or string literals.
13977 * tests/local.at: Require Autoconf 2.59's Autotest.
13978 * tests/testsuite.at: Don't include local.at, since we now assume
13979 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
13981 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
13982 multiple inclusion warnings.
13984 2003-12-02 Akim Demaille <akim@epita.fr>
13986 * doc/bison.texinfo (How Can I Reset the Parser): More about start
13990 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
13992 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
13994 2003-10-07 Paul Eggert <eggert@twinsun.com>
13996 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
13997 if testsuite doesn't exist.
13999 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
14000 literals, unfortunately.
14001 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
14002 Complain about NUL bytes in character constants or string literals.
14004 2003-10-05 Paul Eggert <eggert@twinsun.com>
14006 * NEWS: Don't document %no-default-prec, as it's still
14008 * doc/bison.texinfo: Document %no-default-prec only if
14009 the defaultprec flag is set. Normally it's not.
14011 2003-10-04 Paul Eggert <eggert@twinsun.com>
14013 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
14014 non-modifiable lvalue, instead of a modifiable one.
14015 * doc/bison.texinfo (Actions): Document that $$ can
14016 be assigned to. Do not claim that $$ and $N are
14017 array element references: user code should not rely on this.
14019 2003-10-01 Paul Eggert <eggert@twinsun.com>
14021 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
14022 (grammar_declaration): Use it.
14023 * src/scan-gram.l: New token %no-default-prec.
14024 * tests/conflicts.at: Revamp tests to use %no-default-prec.
14025 * NEWS, doc/bison.texinfo: Document the above.
14027 2003-10-01 Akim Demaille <akim@epita.fr>
14029 VCG no longer supports long_straight_phase.
14031 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
14032 * src/print_graph.c (print_graph): Adjust.
14034 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
14035 and Paul Eggert <eggert@twinsun.com>
14037 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
14038 Table of Symbols): Document %default-prec.
14039 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
14040 (grammar_declaration): Set default_prec on %default-prec.
14041 * src/scan-gram.l (%default-prec): New token.
14042 * src/reader.h (default_prec): New flag.
14043 * src/reader.c: Likewise.
14044 (packgram): Handle it.
14045 * tests/conflicts.at (%default-prec without %prec,
14046 %default-prec with %prec, %default-prec 1): New tests.
14048 2003-09-30 Paul Eggert <eggert@twinsun.com>
14050 * tests/testsuite.at: Include local.at, not input.at, fixing
14051 a typo in the 2003-08-25 patch.
14053 2003-08-27 Akim Demaille <akim@epita.fr>
14055 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
14058 2003-08-26 Akim Demaille <akim@epita.fr>
14060 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
14061 "<\#" to avoid magic from Gnus when posting parts of this script.
14063 2003-08-26 Akim Demaille <akim@epita.fr>
14065 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
14066 (Parser::parse): here.
14067 Adjust: nerrs and errstatus is now replaced by...
14068 (Parser::nerrs_, Parser::errstatus_): New.
14070 2003-08-25 Akim Demaille <akim@epita.fr>
14072 * config/announce-gen, Makefile.cfg: New.
14073 * Makefile.am: Adjust.
14074 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
14075 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
14077 2003-08-25 Akim Demaille <akim@epita.fr>
14079 When reducing initial empty rules, Bison parser read an initial
14080 location that is not defined. This results in garbage, and that
14081 affects Bison's own parser. Therefore we need (i) to extend Bison
14082 to support a means to initialize this location, and (ii) to use
14083 this CVS Bison to fix CVS Bison's parser.
14085 * src/reader.h, reader.c (epilogue_augment): Remove, replace
14087 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
14088 * src/parse-gram.y: Adjust.
14089 (%initial-action): New.
14090 (%error-verbose): Since we require CVS Bison, there is no reason
14092 * src/scan-gram.l: Adjust.
14093 * src/Makefile.am (YACC): New, to make sure we use our own parser.
14094 * data/yacc.c (yyparse): Use b4_initial_action.
14096 2003-08-25 Akim Demaille <akim@epita.fr>
14098 * doc/bison.texinfo: Don't promote stdout for error messages.
14100 2003-08-25 Akim Demaille <akim@epita.fr>
14102 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
14103 From Alexandre Duret-Lutz.
14105 2003-08-25 Akim Demaille <akim@epita.fr>
14109 2003-08-25 Akim Demaille <akim@epita.fr>
14111 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
14114 2003-08-25 Akim Demaille <akim@epita.fr>
14116 * data/lalr1.cc (Parser::reduce_print_): New.
14119 2003-08-25 Akim Demaille <akim@epita.fr>
14121 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
14122 error recovery loops. This patch is based on
14123 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
14124 Also, augment the similarity between lalr1.cc and yacc.c.
14125 Note: the locations of error recovery rules are not correct yet.
14127 * data/lalr1.cc: Comment changes to augment the similarity between
14128 lalr1.cc and yacc.c.
14129 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
14130 (yyerrlab1): Remove, but where it used to be (now the bottom part of
14131 yyerrlab), when hitting EOF, pop the whole stack here instead of
14132 merely falling thru the default error handling mechanism.
14133 (yyerrorlab): New label, with the old contents of YYERROR,
14134 plus the following change: pop the stack of rhs corresponding
14135 to the production that invoked YYERROR. That is how Yacc
14136 behaves (required by POSIX).
14137 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
14140 2003-08-25 Akim Demaille <akim@epita.fr>
14142 Tune local.at so that people can "autom4te -l autotest calc.at -o
14143 calc" for instance, to extract a sub test suite.
14145 * tests/testsuite.at: Move the initialization, Autotest version
14146 requirement, and AT_TESTED invocation into...
14147 * tests/local.at: here.
14148 * tests/testsuite.at: Include it for compatibility with Autoconf
14150 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
14153 2003-08-04 Paul Eggert <eggert@twinsun.com>
14155 Rework code slightly to avoid gcc -Wtraditional warnings.
14156 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
14157 The returned value is now stored in *YY0. All callers changed.
14158 * src/output.c (merge_output): Adjust to the above change.
14160 2003-07-26 Paul Eggert <eggert@twinsun.com>
14162 * data/glr.c (YYASSERT): New macro.
14163 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
14164 yyresolveStates, yyprocessOneStack):
14165 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
14166 Derived from a suggestion by Frank Heckenbach.
14168 2003-07-25 Paul Eggert <eggert@twinsun.com>
14170 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
14171 for portability to K&R C (after ansi2knr, presumably). See
14172 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
14173 by Frank Heckenbach, though I have omitted the structure-initialization
14174 part of his glr-knr.diff patch since I recall that the Portable
14175 C Compiler didn't require that change.
14177 Let the user specify how to allocate and free memory.
14178 Derived from a suggestion by Frank Heckenbach in
14179 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
14180 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
14181 All uses of free, malloc, realloc changed to use these macros,
14182 and unnecessary casts removed.
14183 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
14185 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
14187 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
14188 use s.empty() rather than s == "" to test for empty string; see
14189 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
14192 2003-06-25 Akim Demaille <akim@epita.fr>
14194 * config/depcomp, config/install-sh: Update from masters.
14196 2003-06-20 Paul Eggert <eggert@twinsun.com>
14198 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
14199 and return properly parenthesized result.
14200 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
14201 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
14202 Remove unnecessary parentheses from uses.
14203 * doc/bison.texinfo (Location Default Action): Describe the
14204 conventions for parentheses.
14206 2003-06-19 Paul Eggert <eggert@twinsun.com>
14208 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
14209 yyreportTree): Do not assume that size_t is the same width as int,
14210 when printing sizes. Print sizes using an unsigned format.
14211 Problem reported by Frank Heckenbach in
14212 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
14214 Port to Forte Developer 7 C compiler.
14215 * data/glr.c (struct YYLTYPE): If locations are not being used,
14216 declare a single dummy member, as empty structs do not conform
14218 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
14219 the Forte Developer 7 C compiler complains that end-of-loop
14220 code is not reached.
14222 2003-06-17 Paul Eggert <eggert@twinsun.com>
14224 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
14225 avoid warnings from picky compilers about redefinition of PARAMS.
14227 2003-06-17 Paul Eggert <eggert@twinsun.com>
14231 * NEWS: Document 1.875b.
14233 * lib/bbitset.h: Do not include config.h; that's the includer's job.
14234 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
14235 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
14236 Don't use 'index' in comments, as it's a builtin fn on some hosts.
14237 * lib/bitset_stats.c: Include gettext.h unconditionally, as
14238 per recent gettext manual's suggestion.
14239 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
14240 Use prototypes, not old-style definitions.
14241 * lib/lbitset.c (lbitset_unused_clear): Likewise.
14242 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
14243 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
14244 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
14245 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
14246 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
14247 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
14248 vbitset_or_and_cmp, vbitset_copy): Likewise.
14250 * lib/libiberty.h: Do not include config.h; that's the includer's job.
14251 Do not include <stdlib.h>.
14252 (PARAMS): Define unconditionally for C89.
14253 (ATTRIBUTE_NORETURN): Remove.
14254 (ATTRIBUTE_UNUSED): Define unconditionally.
14256 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
14257 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
14258 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
14259 * lib/vbitset.c, lib/vbitset.h: New files.
14260 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14261 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
14264 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
14265 `How Can I Reset @code{yyparse}', since texinfo does not allow
14266 arbitrary @ in node names.
14268 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
14269 shouldn't be needed according to the gettext 0.12.1 documentation
14270 but which seem to be needed anyway: codeset.m4 glibc21.m4
14271 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
14272 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
14273 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
14275 * lib/.cvsignore: Add stdbool.h.
14276 * m4/.cvsignore: Add nls.m4, po.m4.
14278 Upgrade to CVS gnulib.
14279 * stdbool_.h: File renamed from stdbool.h.in.
14280 * configure.ac (AM_STDBOOL_H): Invoke this instead of
14282 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
14283 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
14284 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
14285 (MOSTLYCLEANFILES): New var.
14286 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
14287 (stdbool.h): New rule.
14288 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
14289 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
14290 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
14291 m4/quote.m4: Upgrade to today's gnulib.
14293 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
14294 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
14295 the tests right now.
14296 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
14297 yyerror are declared before use; C99 requires this.
14299 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
14301 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
14303 (yyrecoverSyntaxError): Correct the logic for setting and testing
14305 Correct comment on handling EOF.
14306 Allow states with only a default reduction, rather than failing
14307 (I can't quite reconstruct why these were not allowed before).
14309 Fixes to avoid problem that $-N rules in GLR parsers can cause
14310 buffer overruns, corrupting state.
14312 * src/output.c (prepare_rules): Output max_left_semantic_context
14314 * src/reader.h (max_left_semantic_context): New variable declaration.
14315 * src/scan-gram.l (max_left_semantic_context): Define.
14316 (handle_action_dollar): Update max_left_semantic_context.
14317 * data/glr.c (YYMAXLEFT): New definition.
14318 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
14319 (yyresolveAction): Ditto.
14321 Fixes to problems with location handling in GLR parsers reported by
14322 Frank Heckenbach (2003/06/05).
14324 * data/glr.c (YYLTYPE): Make trivial if locations not used.
14325 (YYRHSLOC): Add parentheses, and define only if locations used.
14326 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
14327 locations not used.
14328 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
14329 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
14331 * tests/cxx-type.at: Exercise location information; update tests
14332 to differentiate output with and without locations.
14333 Remove forward declarations of yylex and yyerror---caused errors
14334 because default YYLTYPE not yet defined.
14335 Change semantic actions to compute strings, rather than printing
14336 them directly (to test proper passing of semantics values). Change
14337 output to prefix notation and update test data and expected results.
14338 (yylex): Track locations.
14339 (stmtMerge): Return value rather than printing, and include arguments
14342 2003-06-03 Paul Eggert <eggert@twinsun.com>
14344 Avoid warnings generated by GCC 2.95.4 when Bison is
14345 configured with --enable-gcc-warnings.
14346 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
14347 yy::]b4_parser_class_name[::translate_,
14348 yy::Stack::operator[] (unsigned),
14349 yy::Stack::operator[] (unsigned) const,
14350 yy::Slice::operator[] (unsigned),
14351 yy::Slice::operator[] (unsigned) const):
14352 Rename local vars to avoid warnings.
14353 * tests/glr-regression.at (Improper handling of embedded actions
14354 and $-N in GLR parsers): Remove unused local variable from yylex.
14355 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
14356 (void) as arg when not pure, since we now assume C89 when building
14357 Bison. Pacify GCC by using parameter.
14359 2003-06-02 Paul Eggert <eggert@twinsun.com>
14361 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
14362 yy::Location::lines, yy::Location::columns): Rename arguments
14363 to avoid shadowing; this removes a warning generated by GCC 3.3.
14365 2003-06-01 Paul Eggert <eggert@twinsun.com>
14367 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
14368 to g++, as GCC 3.3 complains if you do it.
14369 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
14370 everything that WARNING_CFLAGS has, except omit warnings
14371 not suitable for C++.
14372 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
14373 * tests/atlocal.in (CXXFLAGS): New var.
14374 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
14376 Fix a GLR parser bug I reported in February; see
14377 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
14378 The problem was that GLR parsers did not conform to the C standard,
14379 because actions like { $1 = $2 + $3; } expanded to expressions
14380 that invoked YYFILL in separate subexpressions, and YYFILL assigned
14381 to a local variable. The C standard says that expressions
14382 like (var = f ()) + (var = f ()) have undefined behavior.
14383 Another problem was that GCC sometimes issues warnings that
14384 yyfill and its parameters are unused.
14386 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
14387 as possibly unused.
14388 (yyfill): New function.
14390 (yyuserAction): Change type of yynormal to bool, so that it matches
14391 the new yyfill signature. Mark it as possibly unused.
14394 Follow up on a bug I reported in February, where a Bison-generated
14395 parser can loop. Provide a test case and a fix for yacc.c. I
14396 don't have a fix for lalr1.cc or for glr.c, unfortunately.
14397 The original bug report is in:
14398 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
14400 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
14401 macro's size was becoming unwieldy.
14402 (yyerrlab): Do not discard an empty lookahead symbol, as this
14403 might destroy garbage.
14404 (yyerrorlab): New label, with the old contents of YYERROR,
14405 plus the following change: pop the stack of rhs corresponding
14406 to the production that invoked YYERROR. That is how Yacc
14407 behaves, and POSIX requires this behavior.
14408 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
14409 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
14410 Define 'alarm' to do nothing if unistd.h is not available.
14411 Add a new rule "exp: '-' error;" to test the above change to
14412 data/yacc.c. Use 'alarm' to abort any test taking longer than
14413 10 seconds, as it's probably looping.
14414 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
14415 Also, the new yacc.c generates two fewer diagnostics for an
14418 2003-05-24 Paul Eggert <eggert@twinsun.com>
14420 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
14421 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
14422 This fixes a problem reported by John Bowman when the Compaq/HP
14423 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
14424 -ansi -Wall -gall).
14425 * data/yacc.c (union yyalloc): Likewise.
14426 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
14428 Switch from 'int' to 'bool' where that makes sense.
14430 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
14431 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
14432 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
14433 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
14434 Return or accept bool, not int. All callers changed.
14435 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
14436 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
14437 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
14438 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
14439 bitset_or_and_cmp_): Likewise.
14440 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
14441 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
14442 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
14443 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
14444 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
14445 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
14446 bitset_stats_or_and_cmp): Likewise.
14447 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
14448 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
14449 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
14450 ebitset_xor_cmp): Likewise.
14451 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
14452 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
14453 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
14454 lbitset_xor_cmp): Likewise.
14455 * lib/bbitset.h: Include <stdbool.h>.
14456 (struct bitset_vtable): The following members now return bool, not
14457 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
14458 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
14460 * src/conflicts.c (count_rr_conflicts): Likewise.
14461 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
14463 * lib/ebitset.c (ebitset_obstack_init): Likewise.
14464 * lib/lbitset.c (lbitset_obstack_init): Likewise.
14465 * src/getargs.c (debug_flag, defines_flag, locations_flag,
14466 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
14467 graph_flag): Likewise.
14468 * src/getargs.h (debug_flag, defines_flag, locations_flag,
14469 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
14470 graph_flag): Likewise.
14471 * src/output.c (error_verbose): Likewise.
14472 * src/output.h (error_verbose): Likewise.
14473 * src/reader.c (start_flag, typed): Likewise.
14474 * src/reader.h (typed): Likewise.
14475 * src/getargs.c (LOCATIONS_OPTION): New constant.
14476 (long_options, getargs): Use it.
14477 * src/lalr.c (build_relations): Use bool, not int.
14478 * src/nullable.c (nullable_compute): Likewise.
14479 * src/print.c (print_reductions): Likewise.
14480 * src/tables.c (action_row, pack_vector): Likewise.
14481 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
14482 * src/output.c (prepare): Use it.
14483 * src/output.c (token_definitions_output,
14484 symbol_destructors_output, symbol_destructors_output): Use string,
14485 not boolean integer, to keep track of whether to output separator.
14486 * src/print_graph.c (print_core): Likewise.
14487 * src/state.c (state_rule_lookaheads_print): Likewise.
14489 * config/install-sh: Sync from automake 1.7.5.
14491 2003-05-14 Paul Eggert <eggert@twinsun.com>
14493 * src/parse-gram.y (rules_or_grammar_declaration): Require a
14494 semicolon after a grammar declaration, in the interest of possible
14495 future changes to the Bison input language.
14496 Do not allow a stray semicolon at the start of the grammar.
14497 (rhses.1): Allow one or more semicolons after any rule, including
14498 just before "|" as required by POSIX.
14499 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
14502 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
14504 %parse-param support for lalr1.cc.
14506 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
14507 b4_cc_constructor_calls, b4_cc_constructor_call,
14508 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
14510 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
14511 parse-param arguments.
14512 (yy::b4_parser_class_name): Declare instance variables to
14513 hold parse-param arguments.
14514 * tests/calc.at: s/value/semantic_value/ because value clashes
14515 with a member of yy::b4_parser_class_name. Adjust C++ code
14516 to handle %parse-param. Enable %parse-param test in C++.
14518 2003-05-12 Paul Eggert <eggert@twinsun.com>
14520 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
14521 English a bit. Fix fclose typo. Change "const char" to "char
14522 const", and use ANSI C rather than K&R for "main". Suggest
14523 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
14524 and suggest yy_switch_to_buffer.
14526 2003-05-05 Paul Eggert <eggert@twinsun.com>
14528 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
14529 C89. This avoids a diagnostic on compilers that define __STDC__
14530 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
14531 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
14533 2003-05-03 Paul Eggert <eggert@twinsun.com>
14535 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
14536 Do not overrun array bounds.
14537 This should fix a bug reported today by Olatunji Oluwabukunmi in
14538 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
14540 2003-04-29 Akim Demaille <akim@epita.fr>
14542 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
14543 * src/getargs.c, src/getargs.h: here, as bool, not int.
14544 (nondeterministic_parser): New.
14545 * src/parse-gram.y, src/scan-gram.l: Support
14546 %nondeterministic-parser.
14547 * src/output.c (prepare): Use nondeterministic_parser instead
14548 of glr_parser where appropriate.
14549 * src/tables.c (conflict_row, action_row, save_row)
14550 (token_actions, token_actions, pack_vector): Ditto.
14552 2003-04-29 Akim Demaille <akim@epita.fr>
14554 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
14556 2003-04-29 Akim Demaille <akim@epita.fr>
14558 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
14559 with %pure-parser and %locations to exercise the patch from Yakov
14562 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
14564 * data/yacc.c: (b4_lex_param): Corrected for the case where
14565 %lex-param is provided and %pure-parser isn't.
14567 2003-04-27 Paul Eggert <eggert@twinsun.com>
14569 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
14570 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
14571 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
14572 if it is not defined.
14573 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
14575 2003-04-26 Paul Eggert <eggert@twinsun.com>
14577 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
14578 Declare to be of type suitable for the ninf value itself, not of
14579 type suitable for the corresponding table, since the latter might
14580 be unsigned but the ninf value might be negative. This fixes a
14581 bug reported by Alexandre Duret-Lutz in
14582 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
14584 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
14585 invokes it. We shouldn't invoke it twice because it will attempt
14586 to put error.o in the archive twice. This fixes a glitch reported
14587 by Martin Mokrejs in
14588 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
14590 2003-04-21 Paul Eggert <eggert@twinsun.com>
14592 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
14595 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
14597 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
14598 Fix obvious typo that results in uncompilable GLR parsers
14599 when both %pure-parser and %locations are used. (trivial change)
14601 2003-04-17 Paul Eggert <eggert@twinsun.com>
14603 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
14604 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
14605 Do not insert the expected token via unput, as this runs afoul
14606 of a POSIX-compatibility bug in flex 2.5.31.
14607 All uses changed to BEGIN the parent state,
14608 since we no longer insert the expected token via unput.
14609 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
14610 that is no longer emitted after the above change.
14612 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
14613 the first one. This change is from Paul Hilfinger, and it fixes
14614 regression reported by Werner Lemberg in
14615 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
14617 (resolve_sr_conflict): Don't invoke state_errs_set
14618 unless one or more tokens have been explicitly made errors.
14619 Otherwise, the above change causes Bison to abort.
14621 * tests/existing.at (GNU pic Grammar): New test case, taken from
14624 2003-03-31 Akim Demaille <akim@epita.fr>
14626 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
14628 2003-03-31 Akim Demaille <akim@epita.fr>
14630 * src/output.c (prepare_symbols): Avoid trailing spaces in the
14633 2003-03-31 Akim Demaille <akim@epita.fr>
14635 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
14636 From Paul Hilfinger.
14638 2003-03-29 Akim Demaille <akim@epita.fr>
14640 * m4/error.m4: Do not put under dynamic conditions some code which
14641 expansion is under static control.
14643 2003-03-29 Akim Demaille <akim@epita.fr>
14645 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
14647 2003-03-29 Akim Demaille <akim@epita.fr>
14649 * doc/bison.texinfo (Strings are Destroyed): New.
14651 2003-03-13 Paul Eggert <eggert@twinsun.com>
14653 * .cvsignore: Add configure.lineno.
14654 * src/.cvsignore: Add yacc.
14655 * tests/.cvsignore: Add testsuite.log.
14656 * doc/fdl.texi: Sync with latest FSF version.
14658 2003-03-12 Paul Eggert <eggert@twinsun.com>
14660 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
14661 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
14662 cursor, instead of leaving it undefined. This fixes a bug
14663 reported by Tim Van Holder in
14664 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
14665 * tests/input.at (Torturing the Scanner): Test the scanner on
14666 an empty input file, which was Tim Van Holder's test case.
14668 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
14669 <sys/resource.h> can be included, include sys/time.h and
14670 sys/times.h first, if available. This works around the SunOS
14671 4.1.4 porting bug reported by Bruce Becker in
14672 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
14674 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
14675 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
14676 AC_HEADER_SYS_WAIT.
14678 Merge changes from gnulib. This was prompted because the CVS
14679 snapshot didn't build on Solaris 7 due to strnlen problems.
14681 These changes need to be merged back into gnulib:
14682 * lib/hash.c: Include <stdbool.h> unconditionally.
14683 * m4/onceonly.m4 (m4_quote): New macro.
14684 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
14685 Quote AC_FOREACH variable-expansions properly.
14686 The 2003-01-03 obstack.h change also needs merging.
14687 {end of changes requiring merging}
14689 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
14690 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
14691 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
14692 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
14693 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
14694 New files, imported from gnulib.
14695 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
14698 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
14699 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
14702 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
14704 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
14705 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
14706 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
14707 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
14708 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
14709 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
14710 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
14711 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
14712 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
14713 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
14714 (jm_PREREQ_ARGMATCH): Remove.
14715 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
14716 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
14718 * src/system.h: Include <stdbool.h> unconditionally.
14720 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
14721 assuming at least C89 in the bitset code for some time now.
14723 2003-03-03 Akim Demaille <akim@epita.fr>
14727 2003-03-02 Akim Demaille <akim@epita.fr>
14729 * doc/bison.texinfo (Table of Symbols): Reactivate the
14730 documentation for %lex-param, and %parse-param.
14732 2003-03-02 Akim Demaille <akim@epita.fr>
14734 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
14735 generate verbose error messages.
14736 Use the number of tokens as an upper bound in yytname, as it
14737 cannot be a non terminal.
14739 2003-03-02 Akim Demaille <akim@epita.fr>
14741 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
14744 2003-03-02 Akim Demaille <akim@epita.fr>
14746 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
14747 Use them to exercise yycheck overrun.
14748 Based on Andrew Suffield's grammar.
14750 2003-03-02 Akim Demaille <akim@epita.fr>
14752 Create tests/local.at for Bison generic testing macros.
14754 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
14755 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
14757 * tests/calc.at (AT_CHECK_CALC): Adjust.
14758 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
14759 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
14760 * tests/local.at: here.
14761 (AT_COMPILE_CXX): Tags the tests using it as c++.
14762 Ignore the test if CXX is not functional.
14764 2003-03-01 Paul Eggert <eggert@twinsun.com>
14766 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
14767 not loc->end, since loc->end might contain garbage and this leads
14768 to undefined behavior on some platforms.
14769 (id_loc, token_start): Use (IF_LINTed) initial values that do not
14770 depend on *loc, so that the reader doesn't give the the false
14771 impression that *loc is initialized.
14772 (<INITIAL>"%%"): Do not bother setting code_start, since its value
14773 does not survive the return.
14775 2003-03-01 Akim Demaille <akim@epita.fr>
14777 * src/scan-gram.l (code_start): Always initialize it when entering
14778 into yylex, as SC_EPILOGUE is activated *before* the corresponding
14779 yylex invocation. An alternative would be making it static, but
14780 then it starts with the second %%'s beginning, instead of its end.
14782 2003-02-28 Paul Eggert <eggert@twinsun.com>
14784 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
14785 around a UnixWare 7.1.1 porting bug reported by John Hughes in
14786 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
14788 2003-02-26 Paul Eggert <eggert@twinsun.com>
14790 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
14791 Remove Sequent/Pyramid discussion (nobody uses them any more).
14792 Merge VMS and MS-DOS discussion; these ports may well be dead
14793 but let's keep mentioning them for now. Put <> around email
14794 addresses. Add copyright notice.
14796 2003-02-24 Paul Eggert <eggert@twinsun.com>
14798 * data/glr.c (yy_reduce_print): yylineno -> yylno,
14799 to avoid collision with flex use of yylineno.
14800 Problem reported by Bruce Lilly in
14801 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
14802 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
14803 * data/yacc.c (yy_reduce_print): Likewise.
14805 * config/depcomp: Sync with Automake 1.7.3.
14807 2003-02-21 Akim Demaille <akim@epita.fr>
14809 * data/lalr1.cc: Use temporary variables instead of casts to
14810 change integer types.
14811 Suggested by Paul Eggert.
14813 2003-02-21 Akim Demaille <akim@epita.fr>
14815 * doc/bison.texinfo: Use "location" consistently to refer to @n,
14816 to avoid confusions with lalr1.cc's notion of Position.
14817 Suggested by Paul Eggert.
14819 2003-02-20 Akim Demaille <akim@epita.fr>
14821 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
14822 before initial_columns.
14823 (location.hh): Use consistent variable names when defining the
14825 Use "last" so that we subtract from Positions, not from unsigned.
14827 2003-02-20 Akim Demaille <akim@epita.fr>
14829 * data/lalr1.cc (position.hh): New subfile, including the extended
14830 and Doxygen'ed documentation of class Position.
14831 (location.hh): Use it.
14832 Document a` la Doxygen.
14833 With the help of Benoit Perrot.
14835 2003-02-20 Akim Demaille <akim@epita.fr>
14837 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
14839 Redefine AT_YYERROR_SEES_LOC_IF using it.
14840 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
14842 Don't use the location in yy::Parser::error_ and
14843 yy::Parser::print_ when not %locations.
14844 Activate more lalr1.cc tests.
14846 2003-02-19 Akim Demaille <akim@epita.fr>
14848 * data/lalr1.cc: When displaying a line number, be sure to make it
14851 2003-02-19 Akim Demaille <akim@epita.fr>
14853 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
14855 (YYABORT, YYACCEPT, YYERROR): New.
14856 * tests/calc.at: Renable the lalr1.cc test.
14858 2003-02-19 Akim Demaille <akim@epita.fr>
14860 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
14861 error recovery, mixing with/without pops and discarding of the
14864 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
14866 2003-02-17 Paul Eggert <eggert@twinsun.com>
14868 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
14869 * tests/testsuite.at (AT_COMPILE): Use them.
14870 This fixes the testsuite problem reported by Robert Lentz in
14871 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
14873 2003-02-12 Paul Eggert <eggert@twinsun.com>
14875 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
14876 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
14877 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
14878 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
14879 Check for malloc failure, for consistency with yacc.c.
14880 (yytname_size): Remove, for consistency with yacc.c.
14882 The bug still remains in data/lalr1.cc, as I didn't have time
14885 2003-02-06 Akim Demaille <akim@epita.fr>
14887 * configure.ac (GXX): Rename as...
14888 (CXX): this, to keep the original Autoconf semantics.
14890 * data/lalr1.cc: Fix b4_copyright invocations.
14891 If YYDEBUG is not defined, don't depend upon name_ being defined.
14892 (location.hh): Include string and iostream.
14893 (Position::filename): New member.
14894 (Position::Position ()): New.
14895 (operator<< (Position)): New.
14896 (operator- (Position, int)): New.
14897 (Location::first, Location::last): Rename as...
14898 (Location::begin, Location::end): these, to mock the conventional
14900 (operator<< (Location)): New.
14901 * tests/atlocal.in (CXX): New.
14902 * tests/testsuite.at (AT_COMPILE_CXX): New.
14903 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
14904 locations in a more synthetic way.
14905 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
14907 Adjust the C locations to match those from Emacs: first column is
14909 Change all the expected results.
14910 Conform to the GCS: simplify the locations when applicable.
14911 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
14912 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
14913 these CPP macros with the m4 macros new defined by...
14914 (AT_CHECK_PUSHDEFS): this, i.e.:
14915 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
14916 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
14918 (AT_CHECK_POPDEFS): Undefine them.
14919 (AT_CHECK_CALC_LALR1_CC): New.
14920 Use it for the first lalr1.cc test.
14922 2003-02-04 Akim Demaille <akim@epita.fr>
14924 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
14925 Location as is defined.
14927 2003-02-04 Akim Demaille <akim@epita.fr>
14929 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
14930 name_ being defined.
14932 2003-02-03 Paul Eggert <eggert@twinsun.com>
14934 * src/gram.h (start_symbol): Remove unused decl.
14936 Use more-consistent naming conventions for local vars.
14938 * src/derives.c (derives_compute): Change type of local var from
14939 int to rule_number.
14940 * src/gram.c (grammar_rules_partial_print): Likewise.
14941 * src/print.c (print_core): Likewise.
14942 * src/reduce.c (reduce_grammar_tables): Likewise.
14944 * src/gram.c (grammar_dump): Change name of item_number *
14945 local var from r to rp.
14946 * src/nullable.c (nullable_compute): Likewise.
14948 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
14950 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
14951 for symbol or symbol_number var.
14952 * src/reader.c (grammar_start_symbol_set): Likewise.
14953 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
14955 * src/state.c (transitions_to): Likewise.
14956 * src/state.h: Likewise.
14957 * src/tables.c (symbol_number_to_vector_number): Likewise.
14959 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
14962 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
14965 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
14968 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
14969 Use str, not s, for char * var. Use ch, not c, for character var.
14970 Use size for size var.
14972 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
14974 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
14976 * src/uniqstr.h: Likewise.
14978 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
14979 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
14980 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
14981 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
14982 param to have same name as that of enum, so that we don't use
14983 "s" to stand for a non-state.
14985 2003-02-02 Akim Demaille <akim@epita.fr>
14987 * src/scan-skel.l: Scan more than one inert character per yylex
14990 2003-02-01 Paul Eggert <eggert@twinsun.com>
14994 * po/LINGUAS: Add ms.
14996 2003-01-30 Akim Demaille <akim@epita.fr>
14998 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
15000 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15002 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
15005 Changes in response to error report by S. Eken: GLR mode does not
15006 handle negative $ indices or $ indices in embedded rules correctly.
15007 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
15009 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
15010 (b4_rhs_location): Ditto.
15011 (yyfill): New function to copy from stack tree into array
15013 (yyuserAction): Modify to allow incremental move of semantic values
15014 to rhs array when in GLR mode.
15015 Define YYFILL to use in user-defined actions to fill semantic array
15017 Remove dummy use of yystack, as there is now a guaranteed use.
15018 (yydoAction): Modify to allow incremental move of semantic values
15019 to rhs array when in GLR mode.
15020 (yyresolveAction): Ditto.
15021 (yyglrShiftDefer): Update comment.
15022 (yyresolveStates): Use X == NULL for pointers, not !X.
15023 (yyglrReduce): Ditto.
15024 (yydoAction): Ditto
15026 * tests/glr-regr1.at: Rename to ...
15027 * tests/glr-regression.at: Add new regression test for the problems
15028 described above (adapted from S. Eken).
15029 Update copyright notice.
15030 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
15031 * tests/Makefile.am: Ditto.
15033 2003-01-28 Paul Eggert <eggert@twinsun.com>
15035 * data/lalr1.cc: Do not use @output_header_name@ unless
15036 b4_defines_flag is set. This fixes two bugs reported by
15038 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
15039 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
15041 2003-01-21 Paul Eggert <eggert@twinsun.com>
15043 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
15044 we don't need to worry about yyerrlab1 being reported as an
15045 "unused label" by non-GCC C compilers. The downside is that if
15046 locations are used then a couple of statements are duplicated each
15047 time YYERROR is invoked, but the upside is that the warnings
15049 (yyerrlab1): Move code to YERROR.
15050 (yyerrlab2): Remove. Change uses back to yyerrlab1.
15051 This reverts some of the 2002-12-27 change.
15053 2003-01-17 Paul Eggert <eggert@twinsun.com>
15055 * src/output.c (symbol_printers_output): Fix typo that led
15056 to core dump. Problem reported by Antonio Rus in
15057 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
15059 2003-01-13 Akim Demaille <akim@epita.fr>,
15060 Quoc Peyrot <chojin@lrde.epita.fr>,
15061 Robert Anisko <anisko_r@lrde.epita.fr>
15063 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
15064 when the stacks contain one element, as the loop would otherwise
15065 free the last state, and then use the top state (the one we just
15066 popped). This means that the initial elements will not be freed
15067 explicitly, as is the case in yacc.c; it is not a problem, as
15068 these elements have fake values.
15070 2003-01-11 Paul Eggert <eggert@twinsun.com>
15072 * NEWS: %expect-violations are now just warnings, reverting
15073 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
15074 bootstrapping problem reported by Matthias Klose; see
15075 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
15076 * src/conflicts.c (conflicts_print): Likewise.
15077 * tests/conflicts.at (%expect not enough, %expect too much,
15078 %expect with reduce conflicts): Likewise.
15079 * doc/bison.texinfo (Expect Decl): Document this. Also mention
15080 that the warning is enabled if the number of conflicts changes
15081 (not necessarily increases).
15083 * src/getargs.c (version): Update copyright year.
15085 2003-01-09 Akim Demaille <akim@epita.fr>
15087 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
15089 2003-01-08 Paul Eggert <eggert@twinsun.com>
15091 * Makefile.maint (WGETFLAGS):
15092 New macro, containing "-C off" to disable proxy caches.
15093 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
15094 (rel-check): Use $(WGET) instead of wget.
15096 2003-01-06 Paul Eggert <eggert@twinsun.com>
15098 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
15099 the GLR paper of Scott, Johnstone and Hussain.
15101 2003-01-04 Paul Eggert <eggert@twinsun.com>
15103 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
15104 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
15105 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
15106 (EXTRA_LIBRARIES): New var, for liby.a.
15107 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
15108 (EXTRA_SCRIPTS): New var, for yacc.
15110 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
15111 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
15112 Problem reported by Nelson H. F. Beebe.
15114 2003-01-03 Paul Eggert <eggert@twinsun.com>
15116 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
15117 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
15118 when compiling Bison 1.875's `bitset bset = obstack_alloc
15119 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
15121 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
15122 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
15123 grow to a huge size with typical invocation.
15125 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
15126 Use the pattern recommended by Autoconf 2.57, except also protect
15127 against double-definition.
15128 * src/system.h: Likewise.
15129 Portability issues reported by Nelson H. F. Beebe.
15131 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
15132 All uses changed. Provide a definition in both C and C++.
15133 (yytrue, yyfalse): Define even if defined (__cplusplus).
15135 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
15136 Reported by Nelson H. F. Beebe.
15138 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
15140 2003-01-02 Paul Eggert <eggert@twinsun.com>
15142 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
15143 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
15144 Bug reported by Nelson H. F. Beebe.
15146 2003-01-01 Paul Eggert <eggert@twinsun.com>
15150 2002-12-30 Paul Eggert <eggert@twinsun.com>
15152 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
15154 (<INITIAL>","): Here. This causes stray "," to be treated
15157 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
15158 last brace in braced code when not in Yacc mode, for compatibility
15159 with Bison 1.35. This resurrects the 2001-12-15 patch to
15162 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
15163 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
15165 2002-12-28 Paul Eggert <eggert@twinsun.com>
15167 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
15168 that of SYM's type. This fixes Debian bug 168069, reported by
15171 2002-12-28 Paul Eggert <eggert@twinsun.com>
15175 Switch back to the Yacc style of conflict reports, undoing some
15176 of the 2002-07-30 change.
15177 * doc/bison.texinfo (Understanding): Use Yacc style for
15178 conflict reports. Also, use new way of locating rules.
15179 * src/conflicts.c (conflict_report):
15180 Renamed from conflict_report_yacc, removing the old
15181 'conflict_report'. Translate the entire conflict report at once,
15182 so that we don't assume that "," has the same interpretation in
15184 (conflicts_output): Use Yacc-style conflict report for each state,
15185 instead of our more-complicated style.
15186 (conflicts_print): Use Yacc-style conflict report, except print
15187 the input file name when not emulating Yacc.
15188 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
15189 Conflicted Reduction, %expect not enough, %expect too much,
15190 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
15191 * tests/existing.at (GNU Cim Grammar): Likewise.
15192 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
15194 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
15195 fatal): Don't invoke fflush; it's not needed and it might even be
15196 harmful for stdout, as stdout might not be open.
15197 * src/reduce.c (reduce_print): Likewise.
15199 2002-12-27 Paul Eggert <eggert@twinsun.com>
15201 Fix a bug where error locations were not being recorded correctly.
15202 This problem was originally reported by Paul Hilfinger in
15203 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
15205 * data/yacc.c (yyparse): New local var yylerrsp, to record the
15206 top of the location stack's error locations.
15207 (yyerrlab): Set it. When discarding a token, push its location
15208 onto yylerrsp so that we don't lose track of the error's end.
15209 (yyerrlab1): Now is only the target of YYERROR, so that we can
15210 properly record the location of the action that failed. For GCC
15211 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
15212 GCC warning about yyerrlab1 being unused if YYERROR is unused.
15213 (yyerrlab2): New label, which yyerrlab now falls through to.
15214 Compute the error's location by applying YYLLOC_DEFAULT to
15215 the locations of all the symbols that went into the error.
15216 * doc/bison.texinfo (Location Default Action): Mention that
15217 YYLLOC_DEFAULT is also invoked for syntax errors.
15218 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
15219 Error locations include the locations of all the tokens that were
15220 discarded, not just the last token.
15222 2002-12-26 Paul Eggert <eggert@twinsun.com>
15224 * src/files.c: Include quote.h.
15225 (compute_output_file_names): Warn if we detect conflicting
15226 outputs to the same file. This should catch the misunderstanding
15227 exemplified by Debian Bug 165349, reported by Bruce Stephens..
15229 * src/conflicts.c (conflicts_print): If the user specifies
15230 "%expect N", report an error if there are any reduce/reduce
15231 conflicts. This is what the manual says should happen.
15232 This fixes Debian bug 130890, reported by Anthony DeRobertis.
15233 * tests/conflicts.at (%expect with reduce conflicts): New test.
15235 Don't use m4_include on relative file names, as it doesn't work as
15236 desired if there happens to be a file with that name under ".".
15238 * m4sugar/version.m4: Remove; it was included but it wasn't used.
15239 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
15240 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
15241 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
15242 * src/output.c (output_skeleton): Use full path names when
15243 specifying a file to include; don't rely on include path, as
15244 it's unreliable when the working file contains a file with
15247 2002-12-25 Paul Eggert <eggert@twinsun.com>
15249 Remove obsolete references to bison.simple and bison.hairy.
15250 Problem mentioned by Aubin Mahe in
15251 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
15252 * data/glr.c: Comment fix.
15253 * doc/bison.1: Remove references. Also, mention "yacc".
15255 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
15258 * src/parse-gram.y (declaration): Use enum "report_states" rather
15259 than its numeric value 1.
15261 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
15262 opening a new one. This fixes Debian bug 165349, reported by
15265 2002-12-24 Paul Eggert <eggert@twinsun.com>
15269 * Makefile.maint (cvs-update): Don't assume that the shell
15270 supports $(...), as Solaris sh doesn't.
15272 * src/parse-gram.y (lloc_default): Remove test for empty
15273 nonterminals at the end, since it didn't change the result.
15275 2002-12-24 Paul Eggert <eggert@twinsun.com>
15277 If the user does not define YYSTYPE as a macro, Bison now declares it
15278 using typedef instead of defining it as a macro. POSIX requires this.
15279 For consistency, YYLTYPE is also declared instead of defined.
15281 %union directives can now have a tag before the `{', e.g., the
15282 directive `%union foo {...}' now generates the C code
15283 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
15284 The default union tag is `YYSTYPE', for compatibility with Solaris 9
15285 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
15286 instead of `yyltype'.
15288 `yystype' and `yyltype' are now obsolescent macros instead of being
15289 typedefs or tags; they are no longer documented and will be
15290 withdrawn in a future release.
15292 * data/glr.c (b4_location_type): Remove.
15293 (YYSTYPE): Renamed from yystype.
15294 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
15295 (struct YYLTYPE): Renamed from struct yyltype.
15296 (YYLTYPE): Renamed from yyltype.
15297 (yyltype, yystype): New (and obsolescent) macros,
15298 for backward compatibility.
15299 * data/yacc.c: Likewise.
15301 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
15302 does not specify a union tag. This is for compatibility with
15305 * src/parse-gram.y (add_param): 2nd arg is now char * not char
15306 const *, since it is now modified by stripping surrounding { }.
15307 (current_braced_code): Remove.
15308 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
15309 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
15310 trailing " {...}". Now of type <chars>.
15311 (grammar_declaration): Adjust to bundled tokens.
15312 (code_content): Remove; stripping is now done by add_param.
15313 (print_token_value): Print contents of bundled tokens.
15314 (token_name): New function.
15316 * src/reader.h (braced_code, current_braced_code): Remove.
15317 (token_name): New decl.
15319 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
15320 token_type, not braced_code code_kind. All uses changed.
15321 (SC_PRE_CODE): New state, for scanning after a keyword that
15322 has (or usually has) an immediately-following braced code.
15323 (token_type): New local var, to keep track of which token type
15324 to return when scanning braced code.
15325 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
15326 <INITIAL>"%parse-param", <INITIAL>"%printer",
15327 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
15328 instead of returning a token type immediately.
15329 (<INITIAL>"{"): Set token type.
15330 (<SC_BRACED_CODE>"}"): Use it.
15331 (handle_action_dollar, handle_action_at): Now returns bool
15332 indicating success. Fail if ! current_rule; this prevents a core dump.
15333 (handle_symbol_code_dollar, handle_symbol_code_at):
15334 Remove; merge body into caller.
15335 (handle_dollar, handle_at): Complain in invalid contexts.
15337 * NEWS, doc/bison.texinfo: Document the above.
15338 * NEWS: Fix years and program names in copyright notice.
15340 2002-12-17 Paul Eggert <eggert@twinsun.com>
15342 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
15343 Reporting, Table of Symbols): Omit mentions of %lex-param and
15344 %parse-param from the documentation for now.
15346 2002-12-15 Paul Eggert <eggert@twinsun.com>
15348 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
15349 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
15350 lookahead symbol, and which sets yychar in parser actions) and it
15351 disagreed with the Bison documentation. Bug
15352 reported by Andrew Walrond.
15354 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
15355 as the caller now does that.
15356 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
15357 (YYEMPTY): Parenthesize right hand side, since others use it.
15358 (yyparse): Don't assume that our generated code is the only code
15361 2002-12-13 Paul Eggert <eggert@twinsun.com>
15365 POSIX requires a "yacc" command.
15366 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
15367 (MOSTLYCLEANFILES): Add yacc.
15369 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
15370 as an alias for bison y.
15372 * po/LINGUAS: Add da.
15374 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
15375 problem with latest <getopt.h>.
15376 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
15378 * doc/fdl.texi: Upgrade to 1.2.
15379 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
15380 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
15381 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
15383 * config/install-sh: Sync with autotools.
15385 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
15386 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
15387 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
15388 locations are requested.
15389 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
15390 locations are requested.
15392 2002-12-12 Paul Eggert <eggert@twinsun.com>
15394 Remove unportable casts and storage allocation tricks.
15395 While we're at it, remove almost all casts, since they
15396 usually aren't needed and are a sign of trouble.
15398 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
15400 * src/derives.c (derives_compute): Do not subtract NTOKENS from
15401 the pointer DSET returned by malloc; this isn't portable.
15402 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
15403 Similarly for DERIVES.
15404 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
15405 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
15406 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
15408 * src/derives.c (derives_compute): Do not bother invoking
15409 int_of_rule_number, since rule numbers are integers.
15411 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
15412 rather than XMALLOC (char, N).
15414 * src/files.c (filename_split): Rewrite to avoid cast.
15416 * src/gram.h (symbol_number_as_item_number,
15417 item_number_as_symbol_number, rule_number_as_item_number,
15418 item_number_as_rule_number):
15419 Now inline functions rather than macros, to avoid casts.
15420 * src/state.h (state_number_as_int): Likewise.
15421 * src/tables.c (state_number_to_vector_number,
15422 symbol_number_to_vector_number): Likewise.
15424 * src/gram.h (int_of_rule_number): Remove; no longer used.
15426 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
15427 since the resulting storage is always stored into.
15429 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
15432 * src/muscle_tab.c (muscle_m4_output):
15433 Now inline. Return bool, not int.
15434 * src/state.c (state_compare): Likewise.
15435 * src/symtab.c (symbol_check_defined,
15436 symbol_check_alias_consistency, symbol_pack, symbol_translation,
15437 hash_compare_symbol, hash_symbol):
15439 * src/uniqstr.c (uniqstr_print): Likewise.
15440 * src/muscle_tab.c (muscle_m4_output_processor):
15441 New function, to avoid casts.
15442 * src/state.c (state_comparator, stage_hasher): Likewise.
15443 * src/symtab.c (symbol_check_defined_processor,
15444 symbol_check_alias_consistency_processor, symbol_pack_processor,
15445 symbol_translation_processor, hash_symbol_comparator,
15446 hash_symbol_hasher): Likewise.
15447 * src/uniqstr.c (uniqstr_print_processor): Likewise.
15448 * src/muscle_tab.c (muscles_m4_output):
15449 Use new functions instead of casting old functions unportably.
15450 * src/state.c (state_hash_new): Likewise.
15451 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
15452 symbols_token_translations_init):
15454 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
15456 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
15457 var instead of casting to long, to avoid casts.
15458 (prepare_states): Use MALLOC rather than alloca, so that we don't
15459 have to worry about alloca.
15460 * src/state.c (state_hash_lookup): Likewise.
15462 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
15463 local var instead of casting to unsigned char, to avoid casts.
15465 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
15466 STATE_ALLOC): Remove.
15467 (transitions_new, errs_new, reductions_new, state_new): Use malloc
15468 rather than calloc, and use offsetof to avoid allocating slightly
15470 (state_new): Initialize all members.
15472 * src/state.c (state_hash): Use unsigned accumulator, not signed.
15474 * src/symtab.c (symbol_free): Remove; unused.
15475 (symbol_get): Remove cast in lhs of assignment.
15476 (symbols_do): Now static. Accept generic arguments, not
15477 hashing-related ones.
15479 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
15480 (symbol_processor): Remove.
15481 (symbols_do): Remove decl; now static.
15483 * src/system.h (alloca): Remove; decl no longer needed.
15484 (<stddef.h>): Include, for offsetof.
15485 (<inttypes.>, <stdint.h>): Include if available.
15486 (uintptr_t): New type, if system lacks it.
15487 (CALLOC, MALLOC, REALLOC): New macros.
15488 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
15491 * src/tables.c (table_size): Now int, to pacify GCC.
15492 (table_grow, table_ninf_remap): Use signed table size.
15493 (save_row): Don't bother initializing locals when not needed.
15494 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
15495 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
15497 * src/vcg.h: Correct misspellings.
15499 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
15502 * src/getargs.c (getargs): Don't assume EOF == -1.
15504 2002-12-09 Paul Eggert <eggert@twinsun.com>
15506 Change identifier spellings to avoid collisions with names
15507 that are reserved by POSIX.
15509 Don't use names ending in _t, since POSIX reserves them.
15510 For consistency, remove _e and _s endings -- they're weren't
15511 needed to remove ambiguity. All uses changed.
15512 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
15513 turn was just renamed from struniq_t.
15514 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
15515 which in turn was just renamed from struniq_processor_t.
15516 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
15517 in turn was renamed from hash_compare_struniq_t.
15518 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
15519 (state_list): Renamed from state_list_t.
15520 * src/assoc.h (assoc): Renamed from assoc_t.
15521 * src/conflicts.c (enum conflict_resolution): Renamed from
15522 enum conflict_resolution_e.
15523 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
15524 (rule_list): Renamed from rule_list_t.
15525 * src/getargs.h (enum trace): Renamed from enum trace_e.
15526 (enum report): Renamed from enum report_e.
15527 * src/gram.h (item_number): Renamed from item_number_t.
15528 (rule_number): Renamed from rule_number_t.
15529 (struct rule_s): Remove the "rule_s" part; not used.
15530 (rule): Renamed from rule_t.
15531 (rule_filter): Renamed from rule_filter_t.
15532 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
15533 (goto_list): Renamed from goto_list_t.
15534 * src/lalr.h (goto_number): Renamed from goto_number_t.
15535 * src/location.h (location): Renamed from location_t.
15536 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
15537 and moved here from:
15538 * src/muscle_tab.h (muscle_entry_t): here.
15539 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
15540 (rule_list): Renamed from rule_list_t.
15541 * src/print_graph.c (static_graph): Renamed from graph.
15542 * src/reader.h (braced_code): Renamed from braced_code_t.
15543 Remove brace_code_e tag.
15544 * src/relation.h (relation_node): Renamed from relation_node_t.
15545 (relation_nodes): Renamed from relation_nodes_t.
15546 (relation): Renamed from relation_t.
15547 * src/state.h (state_number): Renamed from state_number_t.
15548 (struct state): Renamed from struct state_s.
15549 (state): Renamed from state_t.
15550 (transitions): Renamed from transitions_t. Unused (and
15551 misspelled) transtion_s tag removed.
15552 (errs): Renamed from errs_t. Unused errs_s tag removed.
15553 (reductions): Renamed from reductions_t. Unused tag
15554 reductions_s removed.
15555 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
15556 (struct symbol_list): Renamed from struct symbol_list_s.
15557 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
15558 (struct symbol): Renamed from struct symbol_s.
15559 (symbol): Renamed from symbol_t.
15560 * src/tables.c (vector_number): Renamed from vector_number_t.
15561 (action_number): Renamed from action_t.
15562 * src/tables.h (base_number): Renamed from base_t.
15563 * src/vcg.h (enum color): Renamed from enum color_e.
15564 (enum textmode): Renamed from enum textmode_e.
15565 (enum shape): Renamed from enum shape_e.
15566 (struct colorentry): Renamed from struct colorentry_s.
15567 (struct classname): Renamed from struct classname_s.
15568 (struct infoname): Renamed from struct infoname_s.
15569 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
15570 (enum decision): Renamed from enum decision_e.
15571 (enum orientation): Renamed from enum orientation_e.
15572 (enum alignment): Renamed from enum alignment_e.
15573 (enum arrow_mode): Renamed from enum arrow_mode_e.
15574 (enum crossing_type): Renamed from enum crossing_type_e.
15575 (enum view): Renamed from enum view_e.
15576 (struct node): Renamed from struct node_s.
15577 (node): Renamed from node_t.
15578 (enum linestyle): Renamed from enum linestyle_e.
15579 (enum arrowstyle): Renamed from enum arrowstyle_e.
15580 (struct edge): Renamed from struct edge.
15581 (edge): Renamed from edge_t.
15582 (struct graph): Renamed from struct graph_s.
15583 (graph): Renamed from graph_t.
15584 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
15585 Rename value_t -> value.
15586 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
15587 value_t_as_yystype -> value_as_yystype.
15589 Don't include <errno.h> in the mainstream code, since it
15590 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
15591 * lib/get-errno.c, lib/get-errno.h: New files.
15592 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
15594 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
15595 * src/output.c (output_skeleton): Likewise.
15596 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
15598 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
15600 (handle_action_dollar, handle_action_at): Likewise.
15601 * src/system.h: Do not include <errno.h>.
15602 (TAB_EXT): Renamed from EXT_TAB.
15603 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
15605 Avoid str[a-z]*, since <string.h> reserves that name space.
15606 Change all instances of "struniq" in names to "uniqstr", and
15607 likewise for "STRUNIQ" and "UNIQSTR".
15608 * src/uniqstr.c: Renamed from src/struniq.c.
15609 * src/uniqstr.h: Renamed from src/struniq.h.
15610 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
15611 * src/files.c (strsuffix): Remove; unused.
15612 (concat2): Renamed from stringappend. Now static.
15613 * src/files.h (strsuffix, stringappend): Remove; unused.
15614 * src/parse-gram.y (<chars>): Renamed from <string>.
15615 (<uniqstr>): Renamed from <struniq>.
15616 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
15617 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
15618 (struct graph_s.expand): Renamed from struct graph_s.stretch.
15619 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
15620 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
15621 (N_EXPAND): Renamed from N_STRETCH.
15623 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
15624 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
15625 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
15627 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
15628 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
15629 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
15630 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
15631 (BASE_MAXIMUM): Renamed from BASE_MAX.
15632 (BASE_MINIMUM): Renamed from BASE_MIN.
15633 (ACTION_MAX): Remove; unused.
15634 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
15635 Unnecessary casts removed from above defines.
15638 Fix misspelling in names.
15639 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
15640 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
15644 * lib/timevar.c (timevar_report): Renamed from time_report,
15645 for consistency with other names.
15646 * lib/timevar.h (timevar_report): New decl.
15647 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
15650 Sort include-file uses.
15652 Reorder all include files under src to be in the order "system.h".
15653 then the ../lib include files in angle brackets (alphabetized),
15654 then the . include files in double-quotes (alphabetized). Fix
15655 dependency breakages encountered in this process, as follows:
15656 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
15657 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
15658 * src/state.h: Include "symtab.h".
15660 2002-12-08 Paul Eggert <eggert@twinsun.com>
15662 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
15663 since this causes problems when __file__ contains character
15664 sequences like "@" that are treated specially by src/scan-skel.l.
15665 Instead, just use the file's basename. This fixes the bug
15666 reported by Martin Mokrejs in
15667 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
15669 2002-12-06 Paul Eggert <eggert@twinsun.com>
15671 Add support for rules that do not have trailing semicolons, as
15672 POSIX requires. Improve the quality of locations in Bison
15675 * src/location.c: Include <quotearg.h>.
15676 (empty_location): Now const.
15677 (location_print): New function. Follow the recommendation of the
15678 GNU Coding Standards for locations that span file boundaries.
15679 * src/location.h: Do not include <quotearg.h>; no longer needed.
15680 (boundary): New type.
15681 (location_t): Use it. This allows locations to span file boundaries.
15682 All member uses changed: file -> start.file or end.file (as needed),
15683 first_line -> start.line, first_column -> start.column,
15684 last_line -> end.line, last_column -> end.column.
15685 (equal_boundaries): New function.
15686 (LOCATION_RESET, LOCATION_STEP): Remove.
15687 (LOCATION_PRINT): Remove. All callers changed to use location_print.
15688 (empty_location): Now const.
15689 (location_print): New decl.
15690 * src/parse-gram.y (lloc_default): New function, which handles
15691 empty locations more accurately.
15692 (YYLLOC_DEFAULT): Use it.
15693 (%token COLON): Remove.
15694 (%token ID_COLON): New token.
15696 (declarations, rules): Remove trailing semicolon.
15697 (declaration, rules_or_grammar_declaration):
15698 Allow empty (";") declaration.
15699 (symbol_def): Remove empty actions; no longer needed.
15700 (rules_or_grammar_declaration): Remove trailing semicolon.
15701 (semi_colon.opt): Remove.
15702 * src/reader.h: Include location.h.
15703 (scanner_cursor): New decl.
15704 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
15706 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
15708 (STEP): Remove. No longer needed, now that adjust_location does
15709 the work. All uses removed.
15710 (scanner_cursor): New var.
15711 (adjust_location): Renamed from extend_location. It now sets
15712 *loc and adjusts the scanner cursor. All uses changed.
15713 Don't bother testing for CR.
15714 (handle_syncline): Remove location arg; now updates scanner cursor.
15715 All callers changed.
15716 (unexpected_end_of_file): Now accepts start boundary of token or
15717 comment, not location. All callers changed. Update scanner cursor,
15719 (SC_AFTER_IDENTIFIER): New state.
15720 (context_state): Renamed from c_context. All uses changed.
15721 (id_loc, code_start, token_start): New local vars.
15722 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
15723 processing of Yacc white space and equivalents here.
15724 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
15725 instead of returning ID immediately, since we need to search for
15726 a subsequent colon.
15727 (<INITIAL>"'", "\""): Save token_start.
15728 (<INITIAL>"%{", "{", "%%"): Save code_start.
15729 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
15730 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
15731 BEGIN context_state at end, not INITIAL.
15732 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
15733 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
15734 Return correct token start.
15735 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
15736 the start of a character, string or multiline comment is found.
15737 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
15738 Reduction): Adjust reported locations to match the more-precise
15739 results now expected.
15740 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
15741 * tests/reduce.at (Useless Rules, Reduced Automaton,
15742 Underivable Rules): Likewise.
15743 * tests/regression.at (Invalid inputs): No longer `expecting ";"
15744 or "|"' now that so many other tokens are allowed by the new grammar.
15746 * src/complain.h (current_file): Remove duplicate decl;
15747 current_file is now owned by files.h.
15748 * src/complain.c, src/scan-gram.l: Include files.h.
15750 2002-12-06 Paul Eggert <eggert@twinsun.com>
15752 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
15753 promotes to int; it might be unsigned int.
15754 * data/yacc.c (yy_reduce_print): Likewise.
15756 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
15757 be #defined in the prologue, not in the Bison declarations.
15758 This fixes Debian Bug 102878, reported by Shaul Karl.
15760 2002-12-02 Paul Eggert <eggert@twinsun.com>
15762 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
15763 * lib/strtoul.c: New file, from gnulib.
15764 This fixes a porting bug reported by Peter Klein in
15765 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
15767 2002-11-30 Paul Eggert <eggert@twinsun.com>
15769 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
15770 and put only a forward declaration in the prologue. This is for
15771 consistency with the other scanner helper functions.
15773 Type clashes now generate warnings, not errors, since it
15774 appears that POSIX may allow some grammars with type clashes.
15775 * src/reader.c (grammar_current_rule_check): Warn about
15776 type clashes instead of complaining.
15777 * tests/input.at (Type Clashes): Expect warnings, not complaints.
15779 Add Yacc library, since POSIX requires it.
15780 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
15781 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
15782 * lib/main.c, lib/yyerror.c: New files.
15784 gram_error can be static; it need not be extern.
15785 * src/reader.h (gram_error): Remove decl.
15786 * src/parse-gram.y (gram_error): Now static. Add static decl.
15787 (print_token_value): Omit parameter names from forward decl,
15790 2002-11-29 Paul Eggert <eggert@twinsun.com>
15792 * doc/bison.texinfo: Emphasize that yylex and yyerror must
15793 be declared before being used. E.g., one should typically
15794 declare them in the prologue. Use GNU coding style in examples.
15795 Put "const" consistently after the type it modifies. Mention
15796 that C99 supports "inline". Mention that yyerror traditionally
15799 %parse-param and %lex-param now take just one argument, the
15800 declaration; the argument name is deduced from the declaration.
15802 * doc/bison.texinfo (Parser Function, Pure Calling, Error
15803 Reporting, Table of Symbols): Document this.
15804 * src/parse-gram.y (add_param): New function.
15806 (declaration): Implement new rule for %parse-param and %lex-param.
15807 * src/scan-gram.l: "," now elicits a warning, rather than being
15808 a token; this is more compatible with byacc.
15809 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
15811 2002-11-27 Paul Eggert <eggert@twinsun.com>
15813 Rename identifiers to avoid real and potential collisions.
15815 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
15816 to avoid collision with lex macro described by Bruce Lilly in
15817 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
15818 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
15819 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
15820 * src/parse-gram.y (print_token_value): Renamed from yyprint.
15822 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
15823 The name "yycontrol" violates the name space rules, and this stuff
15824 wasn't being used anyway.
15825 (input): Remove action; this stuff wasn't being used.
15826 (gram_error): Rename local variable yylloc -> loc.
15827 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
15828 (YY_DECL): Don't use "yy" at start of local variables.
15829 All uses changed, e.g., yylloc -> loc.
15830 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
15831 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
15832 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
15833 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
15835 * src/parse-gram.y (gram_error): loc is now const *.
15836 * src/reader.h (gram_error): Likewise.
15838 2002-11-24 Paul Eggert <eggert@twinsun.com>
15842 * tests/actions.at (Actions after errors): Use an output format
15843 more similar to that of the Printers and Destructors test.
15844 Test the position of the ';' token too.
15845 (Printers and Destructors): Likewise.
15846 (Printers and Destructors: %glr-parser): Remove for now, to avoid
15847 unnecessarily alarming people when the test fails.
15849 * data/yacc.c (yyerrlab1): Move this label down, so that the
15850 parser does not discard the lookahead token if the user code
15851 invokes YYERROR. This change is required for POSIX conformance.
15853 * lib/error.c: Sync with gnulib.
15855 2002-11-22 Paul Eggert <eggert@twinsun.com>
15857 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
15858 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
15859 * lib/xmalloc.c: Likewise.
15861 2002-11-20 Paul Eggert <eggert@twinsun.com>
15863 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
15865 2002-11-20 Paul Eggert <eggert@twinsun.com>
15867 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
15868 should use `if (! x) abort ();' rather than `assert (x);', and
15869 anyway it's one less thing to worry about configuring.
15871 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
15872 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
15873 and replace all instances of assert with abort.
15874 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
15875 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
15877 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
15878 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
15879 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
15880 hash_find_entry, hash_rehash, hash_insert): Likewise.
15881 * src/conflicts.c (resolve_sr_conflict): Likewise.
15882 * src/lalr.c (set_goto_map, map_goto): Likewise.
15883 * src/nullable.c (nullable_compute): Likewise.
15884 * src/output.c (prepare_rules, token_definitions_output): Likewise.
15885 * src/reader.c (packgram, reader): Likewise.
15886 * src/state.c (state_new, state_free, state_transitions_set,
15887 state_reduction_find): Likewise.
15888 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
15889 symbol_pack): Likewise.
15890 * src/tables.c (conflict_row, pack_vector): Likewise.
15891 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
15892 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
15893 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
15894 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
15896 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
15897 (ARGMATCH_CONSTRAINT): New macro.
15898 (ARGMATCH_ASSERT): Use it.
15900 * src/system.h (verify): New macro.
15901 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
15902 rather than assert.
15903 * src/tables.c (tables_generate): Likewise.
15905 * src/struniq.c (struniq_assert): Now returns void, and aborts
15906 if the assertion is false.
15907 (struniq_assert_p): Remove.
15908 * src/struniq.h: Likewise.
15910 2002-11-18 Paul Eggert <eggert@twinsun.com>
15912 * data/glr.c (yygetLRActions): Replace `yyindex' with
15913 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
15914 This fixes the regression with Sun ONE Studio 7 cc that I reported in
15915 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
15917 2002-11-18 Akim Demaille <akim@epita.fr>
15919 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
15921 From Tim Van Holder.
15923 2002-11-17 Paul Eggert <eggert@twinsun.com>
15925 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
15926 to "SyntaxError" for consistency with my 2002-11-15 change.
15928 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
15929 not define to {}, since this breaks the common use of `YYDPRINTF
15930 ((...));' if a single statement is desired (e.g. before `else').
15931 Work around GCC warnings by surrounding corresponding calls with
15933 (yyhasResolvedValue): Remove unused function.
15934 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
15936 (yyreportSyntaxError): Renamed from yyreportParseError.
15937 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
15939 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
15940 extern when possible. Remove unused initializations.
15942 2002-11-16 Akim Demaille <akim@epita.fr>
15944 Augment the similarity between GLR and LALR traces.
15946 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
15947 (YY_REDUCE_PRINT): New.
15948 (yyparse): Use them.
15949 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
15951 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
15952 state reached after the reduction/recovery, since...
15953 (yyparse, yyprocessOneStack): Report the state we are entering in.
15955 2002-11-16 Akim Demaille <akim@epita.fr>
15957 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
15958 Add support for --trace=skeleton.
15959 * src/scan-skel.l: %option debug.
15960 Scan strings of non-@ or \n instead of character by character.
15961 (scan_skel): Handle trace_skeleton.
15963 (@output_parser_name@, @output_header_name@): ``Restore'' their
15964 support (used to be M4 macros).
15965 * data/yacc.c: Quote larger chunks, a la glr.c.
15966 * data/lalr1.cc: Likewise.
15967 The header guards are no longer available, so use some other
15968 string than `YYLSP_NEEDED'.
15970 2002-11-16 Akim Demaille <akim@epita.fr>
15972 Make the ``Printers and Destructors'' test more verbose, taking
15973 `yacc.c''s behavior as (possibly wrong) reference.
15975 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
15976 instead of fprint on stdout.
15977 Set and report the last_line of the symbols.
15978 Consistently display values and locations.
15980 2002-11-16 Paul Eggert <eggert@twinsun.com>
15982 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
15984 2002-11-15 Paul Eggert <eggert@twinsun.com>
15986 * tests/actions.at (Actions after errors): New test case.
15988 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
15989 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
15990 tests/action.at, tests/calc.at, tests/conflicts.at,
15991 tests/cxx-type.at, tests/regression.at:
15992 "parse error" -> "syntax error" for POSIX compatibility.
15993 "parsing stack overflow..." -> "parser stack overflow" so
15994 that code matches Bison documentation.
15996 2002-11-15 Akim Demaille <akim@epita.fr>
15998 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
15999 take two BRACED_CODE, not two string_content.
16000 Free the scanner's obstack when we are done.
16001 (code_content): New.
16002 * tests/calc.at: Adjust.
16003 * doc/bison.texinfo: Adjust.
16004 Also, make sure to include the `,' for these declarations.
16006 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
16008 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
16009 definition; avoids potential autoreconf problems.
16011 2002-11-15 Akim Demaille <akim@epita.fr>
16013 Always check the value returned by yyparse.
16015 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
16016 returned by yyparse.
16017 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
16019 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
16020 returned by yyparse.
16022 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16024 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
16027 2002-11-14 Paul Eggert <eggert@twinsun.com>
16029 * src/output.c (output_skeleton): Call xfopen instead of
16030 duplicating xfopen's body.
16032 Fix bugs reported by Nelson H. F. Beebe in
16033 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
16035 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
16036 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
16037 Group compiler. Instead, use "$CC -E bar.c". Include the .h
16038 file twice in the grammar, as an extra check.
16040 * tests/input.at (Torturing the Scanner): Surround the
16041 backslash-newline tests with "#if 0", to make it less likely that
16042 we'll run into compiler bugs. Bring back solitary \ inside
16043 comment, but add a closing comment to work around HP C bug. Don't
16044 test backslash-newline in C character constant.
16046 2002-11-14 Akim Demaille <akim@epita.fr>
16048 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
16049 status of the compiler.
16050 Calling `exit 1' is no longer needed.
16051 Reported by Nelson H. F. Beebe.
16053 2002-11-14 Akim Demaille <akim@epita.fr>
16055 * tests/atlocal.in (CPPFLAGS): We have config.h.
16056 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
16058 * tests/actions.at, tests/calc.at, tests/conflicts.at,
16059 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
16060 * tests/regression.at, tests/torture.at: Use them for all the
16061 grammars that are to be compiled.
16062 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
16063 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
16064 * doc/bison.texinfo (GLR Parsers): Document `inline'.
16066 2002-11-14 Akim Demaille <akim@epita.fr>
16068 * doc/bison.texinfo: Various formatting changes (alignments in
16069 samples, additional @group/@end group, GCS in samples.
16070 Use @deffn instead of simple @table to define the directives,
16071 macros, variables etc.
16073 2002-11-13 Paul Eggert <eggert@twinsun.com>
16075 Fix some bugs reported by Albert Chin-A-Young in
16076 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
16078 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
16079 -o c"; the HP C compiler chatters during compilation.
16080 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
16081 * tests/headers.at (export YYLTYPE): Likewise.
16083 * tests/input.at (Torturing the Scanner): Remove lines containing
16084 solitary backslashes, as they tickle a bug in the HP C compiler.
16086 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
16087 comments, since they're not portable. Use GNU coding style.
16089 2002-11-13 Akim Demaille <akim@epita.fr>
16091 * data/yacc.c: Leave bigger chunks of quoted text.
16092 (YYDSYMPRINTF): New.
16093 Use it to report symbol activities.
16094 * data/glr.c (YYDSYMPRINTF): New.
16097 2002-11-12 Paul Eggert <eggert@twinsun.com>
16101 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
16102 (yyglrReduce): Return yyok, not 0.
16103 This should avoid the enumerated-type warnings reported
16104 by Nelson H. F. Beebe in
16105 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
16107 * lib/bbitset.h (BITSET_INLINE): Remove.
16108 * lib/bitset.h [! BITSET_INLINE]: Remove.
16109 (bitset_set, bitset_reset, bitset_test): Rename local vars
16110 to avoid shadowing warnings by GCC.
16112 * data/glr.c (inline): Remove #define. It's the user's
16113 responsibility to #define it away, just like 'const'.
16114 This fixes one of the bugs reported by Nelson H. F. Beebe in
16115 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
16117 * Makefile.maint (po-check): Scan .l and .y files instead of the
16118 .c and the .h files that they generate. This fixes the bug
16119 reported by Tim Van Holder in:
16120 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
16121 Look for N_ as well as for _. Try to avoid matching #define for
16123 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
16124 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
16125 * src/scan-gram.l: Revamp regular expressions so that " and '
16126 do not confuse xgettext.
16128 * src/struniq.h (struniq_new): Do not declare the return type
16129 to be 'const'; this violates the C standard.
16130 * src/struniq.c (struniq_new): Likewise.
16132 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
16134 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
16135 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
16138 2002-11-12 Akim Demaille <akim@epita.fr>
16140 * Makefile.maint: Sync with Autoconf:
16141 (local_updates): New.
16143 2002-11-12 Akim Demaille <akim@epita.fr>
16145 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
16147 2002-11-12 Akim Demaille <akim@epita.fr>
16149 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
16152 2002-11-12 Akim Demaille <akim@epita.fr>
16154 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
16157 2002-11-12 Akim Demaille <akim@epita.fr>
16159 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
16160 Use it to test the GLR parser.
16162 2002-11-12 Akim Demaille <akim@epita.fr>
16164 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
16166 * data/glr.c (yystos): New.
16167 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
16168 (YYDSYMPRINT): New.
16169 (yyval): Don't define it, it is handled via M4.
16170 (yyrecoverParseError): Free verbosely the discarded symbols.
16171 * data/yacc.c (yysymprint): Remove, rather...
16172 (b4_yysymprint_generate): invoke.
16173 * data/c.m4 (b4_yysymprint_generate): New.
16174 Accept pointers as arguments, as opposed to the version from
16176 (b4_yydestruct_generate): Likewise.
16177 * tests/cations.at (Printers and Destructors): Use Bison directives
16178 instead of CPP macros.
16179 Don't rely on internal details.
16181 2002-11-12 Akim Demaille <akim@epita.fr>
16183 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
16184 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
16185 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
16186 it against YYEMPTY and so forth), work on yytoken (i.e., set
16187 it to YYEMPTY etc.).
16188 (yydestruct): Replace with a b4_yydestruct_generate invocation.
16189 (b4_symbol_actions): Remove.
16190 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
16191 for 0, end-of-input.
16193 2002-11-12 Akim Demaille <akim@epita.fr>
16195 * doc/bison.texinfo (Destructor Decl): New.
16197 2002-11-12 Akim Demaille <akim@epita.fr>
16199 * src/tables.c (tables_generate): Use free for pointers that
16200 cannot be NULL, not XFREE.
16201 (pack_vector): Use assert, not fatal, for bound violations.
16202 * src/state.c (state_new): Likewise.
16203 * src/reader.c (reader): Likewise.
16204 * src/lalr.c (set_goto_map): Likewise.
16205 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
16208 2002-11-12 Akim Demaille <akim@epita.fr>
16210 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
16212 * src/scan-gram.l (last_string): Is global to the file, not to
16214 * src/parse-gram.y (input): Don't append the epilogue here,
16215 (epilogue.opt): do it here, and free the scanner's obstack.
16216 * src/reader.c (epilogue_set): Rename as...
16217 (epilogue_augment): this.
16218 * data/c.m4 (b4_epilogue): Defaults to empty.
16220 2002-11-12 Akim Demaille <akim@epita.fr>
16222 * src/getargs.c (long_options): Remove duplicates.
16223 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
16225 * doc/bison.rnh: Remove.
16226 * doc/bison.texinfo (VMS Invocation): Remove.
16228 2002-11-12 Akim Demaille <akim@epita.fr>
16230 * src/struniq.h, src/struniq.c (struniq_t): Is const.
16231 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
16233 Use struniq for symbols.
16235 * src/symtab.h (symbol_t): The tag member is a struniq.
16236 (symbol_type_set): Adjust.
16237 * src/symtab.c (symbol_new): Takes a struniq.
16238 (symbol_free): Don't free the tag member.
16239 (hash_compare_symbol_t, hash_symbol_t): Rename as...
16240 (hash_compare_symbol, hash_symbol): these.
16241 Use the fact that tags as struniqs.
16242 (symbol_get): Use struniq_new.
16243 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
16245 * src/reader.h (merger_list, grammar_currentmerge_set): The name
16246 and type members are struniqs.
16247 * src/reader.c (get_merge_function)
16248 (grammar_current_rule_merge_set): Adjust.
16249 (TYPE, current_type): Are struniq.
16251 Use struniq for file names.
16253 * src/files.h, src/files.c (infile): Split into...
16254 (grammar_file, current_file): these.
16255 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
16256 * src/reduce.c (reduce_print): Likewise.
16257 * src/getargs.c (getargs): Likewise.
16258 * src/complain.h, src/complain.c: Likewise.
16259 * src/main.c (main): Call struniqs_new early enough to use it for
16261 Don't free the input file name.
16263 2002-11-12 Akim Demaille <akim@epita.fr>
16265 * src/symtab.c (symbol_free): Remove dead deactivated code:
16266 type_name are properly removed.
16267 Don't use XFREE to free items that cannot be NULL.
16268 * src/struniq.h, src/struniq.c: New.
16269 * src/main.c (main): Initialize/free struniqs.
16270 * src/parse-gram.y (%union): Add astruniq member.
16272 * src/scan-gram.l (<{tag}>): Return a struniq.
16273 Free the obstack bit that used to store it.
16274 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
16276 2002-11-11 Paul Eggert <eggert@twinsun.com>
16278 Revamp to fix many (but not all) of the C- and M4-related quoting
16279 problems. Among other things, this fixes the Bison bug reported
16280 by Jan Hubicka when processing the Bash grammar; see:
16281 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
16283 Use new @ escapes consistently. Represent brackets with @{ and @}
16284 rather than @<:@ and @:>@, since this works a bit better with dumb
16285 editors like vi. Represent @ with @@, since @ is now consistently
16286 an escape. Use @oline@ and @ofile@ rather than __oline__ and
16287 __ofile__, to avoid unexpected expansions. Similarly, use @output
16288 rather than #output.
16290 * data/c.m4 (b4_copyright): Omit file name from comment, since
16291 the file name could contain "*/".
16292 (b4_synclines_flag): Don't quote the 2nd argument; it should already
16293 be quoted. All uses changed.
16295 * data/glr.c: Use new @ escapes consistently.
16296 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
16297 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
16298 Remove, since they couldn't handle arbitrary characters in file
16300 * data/lalr1.cc: Likewise.
16301 * data/yacc.c: Likewise.
16303 * src/files.c (output_infix): Remove; all uses removed.
16304 * src/files.h: Likewise.
16306 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
16307 mishandled funny characters in file names, and anyway it isn't
16309 * data/yacc.c: Likewise.
16310 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
16312 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
16313 * data/yacc.c: Likewise.
16315 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
16317 (muscle_init): Quote filename as a C string.
16318 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
16319 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
16320 * src/output.c (escaped_file_name_output): New function.
16321 (prepare_symbols): Quote tokens for M4.
16322 (prepare): Don't insert output_infix, output_prefix,
16323 output_parser_name, output_header_name; this is now down by scan-skel.
16324 Insert skeleton as a C string.
16326 * src/output.c (user_actions_output, symbol_destructors_output,
16327 symbol_printers_output): Quote filenames for C and M4.
16328 * src/reader.c (prologue_augment, epilogue_set): Likewise.
16330 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
16331 escapes other than \\ and \'; this simplifies the code.
16332 (<SC_STRING>): Likewise, for \\ and \".
16333 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
16334 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
16335 Use new escapes @{ and @} for [ and ].
16337 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
16338 them with auto vars.
16339 Switch to new escape scheme, where @ is the escape character uniformly.
16340 Abort if a stray escape character is found. Avoid unbounded input
16341 buffer when parsing non-escaped text.
16343 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
16344 __oline__, #output, $@, and @{ do not have unintended meanings.
16346 2002-11-09 Paul Eggert <eggert@twinsun.com>
16348 Fix the test failure due to GCC warnings described in
16349 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
16350 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
16351 evaluate to 0 if it's impossible for NINF to be in the respective
16353 (yygetLRActions, yyrecoverParseError): Use them.
16355 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
16356 counted in the token inserted at end of file. Now takes
16357 location_t *, not location_t, so that the location can be
16358 adjusted. All uses changed.
16360 * tests/regression.at (Invalid inputs): Adjust wording in
16361 diagnostic to match the new behavior.
16363 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
16364 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
16365 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
16366 abort ();'. This reduces the runtime of the "Many lookaheads"
16367 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
16370 2002-11-07 Paul Eggert <eggert@twinsun.com>
16372 * src/parse-gram.y (CHARACTER): Remove unused token.
16375 * src/scan-gram.l: Remove stack option. We no longer use the
16376 stack, since the stack was never deeper than 1; instead, use the
16377 new auto var c_context to record the stacked value.
16379 Remove nounput option. At an unexpected end of file, we now unput
16380 the minimal input necessary to end cleanly; this simplifies the
16383 Avoid unbounded token sizes where this is easy.
16385 (unexpected_end_of_file): New function.
16386 Use it to systematize the error message on unexpected EOF.
16387 (last-string): Now auto, not static.
16388 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
16389 (scanner_last_string_free): Remove; not used.
16390 (percent_percent_count): Move decl to just before use.
16391 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
16392 not the (never otherwised-used) CHARACTER.
16394 2002-11-07 Akim Demaille <akim@epita.fr>
16396 Let yyerror always receive the msg as last argument, so that
16397 yyerror can be variadic.
16399 * data/yacc.c (b4_yyerror_args): New.
16400 Use it when calling yyerror.
16401 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
16402 Use it when calling yyerror.
16403 * doc/bison.texinfo (Error Reporting): Adjust.
16404 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
16405 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
16407 2002-11-06 Akim Demaille <akim@epita.fr>
16409 #line should have quoted strings.
16410 Ideally, this should be done by m4_quotearg.
16412 * src/scan-skel.l: Include quotearg.h.
16414 * src/output.c (symbol_printers_output)
16415 (symbol_destructors_output): Quote the file name.
16417 2002-11-06 Akim Demaille <akim@epita.fr>
16419 * tests/regression.at (Invalid inputs): Adjust to the recent
16422 2002-11-06 Akim Demaille <akim@epita.fr>
16424 Restore --no-lines.
16425 Reported by Jim Kent.
16427 * data/c.m4 (b4_syncline): New.
16428 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
16429 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
16430 * src/output.c (user_actions_output): Likewise.
16431 (prepare): Define 'b4_synclines_flag'.
16432 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
16434 2002-11-06 Akim Demaille <akim@epita.fr>
16436 * src/main.c (main): Free `infile'.
16437 * src/scan-gram.l (handle_syncline): New.
16439 * src/output.c (user_actions_output, symbol_destructors_output)
16440 (symbol_printers_output): Use the location's file name, not
16442 * src/reader.c (prologue_augment, epilogue_set): Likewise.
16444 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16446 * src/tables.c (matching_state): Don't allow states to match if
16447 either has GLR conflict entries.
16449 2002-11-05 Paul Eggert <eggert@twinsun.com>
16451 * src/scan-gram.l: Use more accurate diagnostics, e.g.
16452 "integer out of range" rather than "invalid value".
16453 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
16456 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
16457 Also, remove one static variable in the scanner.
16459 * src/scan-gram.l (braces_level): Now auto, not static.
16460 Initialize to zero if the compiler is being picky.
16461 (INITIAL): Clear braces_level instead of incrementing it.
16462 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
16463 as POSIX 1003.1-2001 requires.
16464 * src/system.h (IF_LINT): New macro, taken from coreutils.
16465 * configure.ac: Define "lint" if --enable-gcc-warnings.
16467 2002-11-05 Akim Demaille <akim@epita.fr>
16469 * src/scan-gram.l: When it starts with `%', complain about the
16470 whole directive, not just that `invalid character: %'.
16472 2002-11-04 Akim Demaille <akim@epita.fr>
16474 * Makefile.maint: Update from Autoconf.
16475 (update, cvs-update, po-update, do-po-update): New.
16477 2002-11-04 Akim Demaille <akim@epita.fr>
16479 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
16481 Have yyerror `use' its arguments.
16482 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
16483 returns true when location & yacc & pure & parse-param.
16484 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
16486 2002-11-04 Akim Demaille <akim@epita.fr>
16488 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
16490 * src/scan-gram.l: Use [\'] instead of ['] to pacify
16493 Use quote, not quote_n since LOCATION_PRINT no longer uses the
16496 2002-11-03 Paul Eggert <eggert@twinsun.com>
16498 * src/reader.c (get_merge_function, grammar_current_rule_check):
16499 Use consistent diagnostics for reporting type name clashes.
16500 Quote the types with <>, for consistency with Yacc.
16501 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
16503 2002-11-03 Akim Demaille <akim@epita.fr>
16505 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
16507 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
16508 (b4_parse_param): Remove.
16509 Use b4_identification.
16510 Propagate b4_pure_args where needed to pass them to yyerror.
16511 * data/glr.m4 (b4_parse_param): Remove.
16512 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
16513 (b4_lpure_formals): New.
16514 Use b4_identification.
16515 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
16516 b4_user_formals and b4_user_args.
16517 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
16518 (yyreportAmbiguity): When using a pure parser, also need
16519 the location, and the parse-params.
16521 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
16522 When using a pure parser, also need the parse-params.
16524 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
16525 (%pure-parser + %parse-param) LALR and GLR parsers.
16526 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
16527 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
16528 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
16529 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
16530 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
16531 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
16532 * doc/bison.texinfo: Untabify the whole file.
16533 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
16534 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
16535 (Error Reporting): Adjust to these new directives.
16536 Document %error-verbose, deprecate YYERROR_VERBOSE.
16538 2002-11-03 Akim Demaille <akim@epita.fr>
16540 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
16541 AT_CHECK_CALC_GLR invocations to use % directives, instead of
16542 command line options.
16543 * tests/cxx-type.at: Formatting changes.
16545 2002-11-03 Paul Eggert <eggert@twinsun.com>
16547 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
16548 to count columns correctly, and to check for invalid inputs.
16550 Use mbsnwidth to count columns correctly. Account for tabs, too.
16551 Include mbswidth.h.
16552 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
16553 (extend_location): New function.
16554 (YY_LINES): Remove.
16556 Handle CRLF in C code rather than in Lex code.
16557 (YY_INPUT): New macro.
16558 (no_cr_read): New function.
16560 Scan UCNs, even though we don't fully handle them yet.
16561 (convert_ucn_to_byte): New function.
16563 Handle backslash-newline correctly in C code.
16564 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
16565 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
16567 (tag, splice): New EREs. Do not allow NUL or newline in tags.
16568 Use {splice} wherever C allows backslash-newline.
16569 YY_STEP after space, newline, vertical-tab.
16570 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
16572 (letter, id): Don't assume ASCII; e.g., spell out a-z.
16574 ({int}, handle_action_dollar, handle_action_at): Check for integer
16577 (YY_STEP): Omit trailing semicolon, so that it's more like C.
16579 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
16580 as well as \000. Check for UCHAR_MAX, not 255.
16581 Allow \x with an arbitrary positive number of digits, as in C.
16582 Check for overflow here.
16583 Allow \? and UCNs, for compatibility with C.
16585 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
16586 with quote slot used by complain_at.
16588 * tests/input.at: Add tests for backslash-newline, m4 quotes
16589 in symbols, long literals, and funny escapes in strings.
16591 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
16592 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
16593 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
16594 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
16595 * m4/mbswidth.m4: New file, from GNU coreutils.
16597 * doc/bison.texinfo (Grammar Outline): Document // comments.
16598 (Symbols): Document that trigraphs have no special meaning in Bison,
16599 nor is backslash-newline allowed.
16600 (Actions): Document that trigraphs have no special meaning.
16602 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
16605 2002-11-02 Paul Eggert <eggert@twinsun.com>
16607 * src/reader.c: Don't include quote.h; not needed.
16608 (get_merge_function): Reword warning to be consistent with
16609 type clash diagnostic in grammar_current_rule_check.
16611 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
16612 bug in trigraph handling.
16614 * src/output.c (prepare_symbols): When printing token names,
16615 escape "[" as "@<:@" and likewise for "]".
16617 * src/system.h (errno): Remove declaration, as we are now
16618 assuming C89 or better, and C89 guarantees errno.
16620 2002-10-30 Paul Eggert <eggert@twinsun.com>
16622 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
16623 Check for close failures.
16624 * src/files.h (xfclose): Return void, not int, since it always
16626 * src/files.c (xfclose): Likewise. Report I/O error if ferror
16628 * src/output.c (output_skeleton): Use xfclose rather than fclose
16629 and ferror. xfclose now checks ferror.
16631 * data/glr.c (YYLEFTMOST_STATE): Remove.
16632 (yyreportTree): Use a stack-based leftmost state. This avoids
16633 our continuing battles with bogus warnings about initializers.
16635 2002-10-30 Akim Demaille <akim@epita.fr>
16637 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
16640 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16642 * tests/glr-regr1.at: New test for reported regressions.
16643 * tests/testsuite.at: Add glr-regr1.at test.
16644 * tests/Makefile.am: Add glr-regr1.at test.
16646 2002-10-24 Paul Eggert <eggert@twinsun.com>
16650 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
16651 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
16652 we use malloc. Don't assume 'A' through 'Z' are contiguous.
16653 Don't assume strdup exists; POSIX says its an XSI extension.
16654 Check for buffer overflow on input.
16656 2002-10-24 Akim Demaille <akim@epita.fr>
16658 * src/output.c (output_skeleton): Don't disable M4sugar comments
16659 too soon: it results in comments being expanded.
16660 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
16663 2002-10-24 Akim Demaille <akim@epita.fr>
16665 * data/yacc.c (m4_int_type): New.
16666 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
16667 char' as only yacc.c wants K&R portability.
16668 * data/glr.c (yysigned_char): Remove.
16669 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
16670 Reported by Quoc Peyrot.
16672 2002-10-23 Paul Eggert <eggert@twinsun.com>
16674 * src/main.c (main): With --trace=time, report times even if a
16675 non-fatal error occurs. Formerly, the times were reported in some
16676 such cases but not in others.
16677 * src/reader.c (reader): Just return if a complaint has been issued,
16678 instead of exiting, so that 'main' can report times.
16680 2002-10-22 Akim Demaille <akim@epita.fr>
16682 * src/system.h: Include sys/types.
16683 Reported by Bert Deknuydt.
16685 2002-10-23 Paul Eggert <eggert@twinsun.com>
16687 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
16688 Suggested by Art Haas.
16690 2002-10-22 Paul Eggert <eggert@twinsun.com>
16692 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
16693 decl; not needed any more.
16694 * src/main.c (main): Use return to exit, undoing yesterday's change.
16695 The last OS that we could find where this wouldn't work is
16696 SunOS 3.5, and that's too old to worry about now.
16698 * data/glr.c (struct yyltype): Define members even when not
16699 doing locations. This is more consistent with yacc.c, and it
16700 works around the following bug reports:
16701 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
16702 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
16704 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
16705 @acronym consistently. Standardize on "Yacc" instead of "YACC",
16706 "Algol" instead of "ALGOL". Give a bit more history about BNF.
16708 2002-10-22 Akim Demaille <akim@epita.fr>
16710 * data/README: New.
16712 2002-10-21 Paul Eggert <eggert@twinsun.com>
16714 Be consistent about 'bool'; the old code used an enum in one
16715 module and an int in another, and this violates the C standard.
16716 * m4/stdbool.m4: New file, from coreutils 4.5.3.
16717 * configure.ac (AC_HEADER_STDBOOL): Add.
16718 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
16719 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
16720 * src/symtab.c (hash_compare_symbol_t): Likewise.
16721 * src/system.h (bool, false, true): Use a definition consistent
16722 with ../lib/hash.c. All uses changed.
16724 * src/complain.c (warning_issued): Renamed from warn_message_count,
16725 so that we needn't worry about integer overflow (!).
16726 Now of type bool. All uses changed.
16727 (complaint_issued): Renamed from complain_message_count; likewise.
16729 * src/main.c (main): Use exit to exit with failure.
16731 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
16732 rather than 1 and 0.
16733 * src/main.c (main): Likewise.
16734 * src/getargs.c (getargs): Likewise.
16735 * src/reader.c (reader): Likewise.
16737 * src/getarg.c (getargs): Remove duplicate code for
16738 "Try `bison --help'".
16740 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
16741 What was that "2" for?
16743 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
16744 * src/getargs.c (usage): Likewise.
16746 * src/getargs.c (getargs): When there are too few operands, report
16747 the last one. When there are too many, report the first extra
16748 one. This is how diffutils does it.
16750 2002-10-20 Paul Eggert <eggert@twinsun.com>
16752 Remove K&R vestiges.
16753 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
16754 * src/complain.c (VA_START): Remove. Assume prototypes.
16755 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
16756 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
16757 fatal): Assume prototypes.
16758 * src/complain.h: Assume prototypes.
16759 * src/system.h (PARAMS): Remove.
16760 Include <limits.h> unconditionally, since it's guaranteeed even
16761 for a freestanding C89 compiler.
16762 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
16763 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
16765 2002-10-20 Akim Demaille <akim@epita.fr>
16767 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
16768 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
16769 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
16770 (yyresolveStates, yyresolveAction, yyresolveStack)
16771 (yyprocessOneStack): Use them.
16772 (yy_reduce_print): New.
16773 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
16775 2002-10-20 Akim Demaille <akim@epita.fr>
16777 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
16778 arguments and output `void'.
16779 (b4_c_function): Rename as...
16780 (b4_c_function_def): this.
16781 (b4_c_function_decl, b4_c_ansi_function_def)
16782 (b4_c_ansi_function_decl): New.
16783 Change the interpretation of the arguments: before `int, foo', now
16785 * data/yacc.c (yyparse): Prototype and define thanks to these.
16786 Adjust b4_c_function_def uses.
16787 * data/glr.c (yyparse): Likewise, but ANSI only.
16789 2002-10-20 Akim Demaille <akim@epita.fr>
16791 * src/output.c (prepare): Move the definition of `tokens_number',
16792 `nterms_number', `undef_token_number', `user_token_number_max'
16794 (prepare_tokens): Here.
16795 (prepare_tokens): Rename as...
16796 (prepare_symbols): this.
16797 (prepare): Move the definition of `rules_number' to...
16798 (prepare_rules): here.
16799 (prepare): Move the definition of `last', `final_state_number',
16800 `states_number' to...
16801 (prepare_states): here.
16802 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
16804 2002-10-20 Akim Demaille <akim@epita.fr>
16806 * src/tables.h, src/tables.c, src/output.c: Comment changes.
16808 2002-10-20 Akim Demaille <akim@epita.fr>
16810 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
16813 2002-10-20 Akim Demaille <akim@epita.fr>
16815 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
16816 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
16818 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
16820 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
16821 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
16824 2002-10-19 Paul Eggert <eggert@twinsun.com>
16826 Do not create a temporary file, as that involves security and
16827 cleanup headaches. Instead, use a pair of pipes.
16828 Derived from a suggestion by Florian Krohm.
16829 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
16830 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
16831 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
16832 (BISON_PREREQ_SUBPIPE): Add.
16833 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
16834 Add subpipe.h, subpipe.c.
16835 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
16836 * po/POTFILES.in: Add lib/subpipe.c.
16837 * src/output.c: Include "subpipe.h".
16838 (m4_invoke): Remove decl.
16839 (scan_skel): New decl.
16840 (output_skeleton): Use pipe rather than temporary file for m4 input.
16841 Check that m4sugar.m4 is readable, to avoid deadlock.
16842 Check for pipe I/O error.
16843 * src/scan-skel.l (readpipe): Remove decl.
16844 (scan_skel): New function, to be used in place of m4_invoke.
16845 Read from stream rather than file.
16847 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
16848 float, as this generates a warning on Solaris 8 + GCC 3.2 with
16849 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
16850 this generates a more-accurate value anyway.
16852 * lib/timevar.c (timervar_accumulate): Rename locals to
16853 avoid confusion with similarly-named more-global.
16854 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
16856 * src/output.c (prepare): Use xstrdup to convert char const *
16857 to char *, to avoid GCC warning.
16859 2002-10-19 Akim Demaille <akim@epita.fr>
16861 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
16862 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
16863 Use them to have `calc.y' ready for %pure-parser.
16864 * data/yacc.c (YYLEX): Pass a yylex return type to
16865 b4_c_function_call.
16867 2002-10-19 Akim Demaille <akim@epita.fr>
16869 Prototype support of %lex-param and %parse-param.
16871 * src/parse-gram.y: Add the definition of the %lex-param and
16872 %parse-param tokens, plus their rules.
16873 Drop the `_' version of %glr-parser.
16875 * src/scan-gram.l (INITIAL): Scan them.
16876 * src/muscle_tab.c: Comment changes.
16877 (muscle_insert, muscle_find): Rename `pair' as `probe'.
16878 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
16879 (muscle_entry_s): The `value' member is no longer const.
16880 Adjust all dependencies.
16881 * src/muscle_tab.c (muscle_init): Adjust: use
16882 MUSCLE_INSERT_STRING.
16883 Initialize the obstack earlier.
16884 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
16885 (muscle_pair_list_grow): New.
16886 * data/c.m4 (b4_c_function_call, b4_c_args): New.
16887 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
16888 * tests/calc.at: Use %locations, not --locations.
16889 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
16891 2002-10-19 Akim Demaille <akim@epita.fr>
16893 * src/getargs.c (usage): Take status as argument and exit
16895 Report the traditional `Try ... --help' message when status != 0.
16896 (usage, version): Don't take a FILE * as arg, it is pointless.
16897 (getargs): When there is an incorrect number of arguments, make it
16898 an error, and report it GNUlically thanks to `usage ()'.
16900 2002-10-18 Paul Eggert <eggert@twinsun.com>
16902 * data/glr.c (yyreportParseError): Don't assume that sprintf
16903 yields the length of the printed string, as this is not true
16904 on SunOS 4.1.4. Reported by Peter Klein.
16906 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
16907 * tests/conflicts.at (%nonassoc and eof): Likewise.
16908 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
16910 2002-10-17 Akim Demaille <akim@epita.fr>
16912 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
16913 * src/getargs.c (trace_types, trace_args): Adjust.
16914 * src/reader.c (grammar_current_rule_prec_set)
16915 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
16916 Standardize error messages.
16917 And s/@prec/%prec/!
16918 (reader): Use trace_flag to enable scanner/parser debugging,
16919 instead of an adhoc scheme.
16920 * src/scan-gram.l: Remove trailing debugging code.
16922 2002-10-16 Paul Eggert <eggert@twinsun.com>
16924 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
16927 * NEWS: Officially drop support for building Bison with K&R C,
16928 since it didn't work anyway and it's not worth worrying about.
16929 * Makefile.maint (wget_files): Remove ansi2knr.c.
16930 (ansi2knr.c-url_prefix): Remove.
16931 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
16932 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
16933 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
16935 2002-10-15 Paul Eggert <eggert@twinsun.com>
16937 Stop using the "enum_" trick for K&R-style function definitions;
16938 it confused me, and I was the author! Instead, assume that people
16939 who want to use K&R C compilers (when using these modules in GCC,
16940 perhaps?) will run ansi2knr.
16942 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
16943 All uses of "enum_" changed to "enum ".
16944 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
16945 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
16947 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
16948 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
16949 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
16950 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
16951 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
16952 abitset_not, abitset_ones, abitset_or, abitset_or_and,
16953 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
16954 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
16955 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
16956 Use function prototypes; this removes the need for declaring
16957 static functions simply to provide their prototypes.
16958 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
16959 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
16960 bitset_count_, bitset_create, bitset_dump, bitset_first,
16961 bitset_free, bitset_init, bitset_last, bitset_next,
16962 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
16963 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
16964 bitset_print, bitset_release_memory, bitset_toggle_,
16965 bitset_type_choose, bitset_type_get, bitset_type_name_get,
16966 debug_bitset): Likewise.
16967 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
16968 * lib/bitset_stats.c (bitset_log_histogram_print,
16969 bitset_percent_histogram_print, bitset_stats_and,
16970 bitset_stats_and_cmp, bitset_stats_and_or,
16971 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
16972 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
16973 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
16974 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
16975 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
16976 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
16977 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
16978 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
16979 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
16980 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
16981 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
16982 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
16983 bitset_stats_zero): Likewise.
16984 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
16985 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
16986 bitsetv_dump, debug_bitsetv): Likewise.
16987 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
16988 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
16989 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
16990 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
16991 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
16992 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
16993 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
16994 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
16995 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
16996 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
16997 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
16999 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
17000 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
17001 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
17002 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
17003 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
17004 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
17005 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
17006 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
17007 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
17008 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
17009 lbitset_xor_cmp, lbitset_zero): Likewise.
17011 2002-10-14 Akim Demaille <akim@epita.fr>
17015 2002-10-14 Akim Demaille <akim@epita.fr>
17017 * tests/Makefile.am (maintainer-check-posix): New.
17019 2002-10-14 Akim Demaille <akim@epita.fr>
17021 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
17024 2002-10-14 Akim Demaille <akim@epita.fr>
17026 * src/tables.c (table_ninf_remap): base -> tab.
17027 Reported by Matt Rosing.
17029 2002-10-14 Paul Eggert <eggert@twinsun.com>
17031 * tests/action.at, tests/calc.at, tests/conflicts.at,
17032 tests/cxx-type.at, tests/headers.at, tests/input.at,
17033 tests/regression.at, tests/synclines.at, tests/torture.at:
17034 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
17035 so that the tests still work even if POSIXLY_CORRECT is set.
17036 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
17038 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
17039 for portability to K&R hosts. Fix typo: signed char is guaranteed
17040 only to 127, not to 128.
17041 * data/glr.c (yysigned_char): New type.
17042 * data/yacc.c (yysigned_char): Likewise.
17043 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
17045 2002-10-13 Paul Eggert <eggert@twinsun.com>
17047 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
17048 true due to limited range of data type" warning from GCC.
17050 * data/c.m4 (b4_token_defines): Protect against double-inclusion
17051 by wrapping enum yytokentype's definition inside #ifndef
17052 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
17054 2002-10-13 Akim Demaille <akim@epita.fr>
17056 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
17057 Un yy- yyrhs to avoid the name clash with the global YYRHS.
17059 2002-10-13 Akim Demaille <akim@epita.fr>
17061 * Makefile.maint: Update from Autoconf 2.54.
17062 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
17064 2002-10-13 Akim Demaille <akim@epita.fr>
17066 * src/print.c (print_state): Separate the list of solved conflicts
17067 from the other items.
17068 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
17070 2002-10-13 Akim Demaille <akim@epita.fr>
17072 Let nondeterministic skeletons be usable with deterministic
17075 With the patch, GAWK compiled by GCC without -O2 passes its test
17076 suite using a GLR parser driven by LALR tables. It fails with -O2
17077 because `struct stat' gives two different answers on my machine:
17078 88 (definition of an auto var) and later 96 (memset on this var).
17079 Hence the stack is badly corrumpted. The headers inclusion is to
17080 blame: if I move the awk.h inclusion before GLR's system header
17081 inclusion, the two struct stat have the same size.
17083 * src/tables.c (pack_table): Always create conflict_table.
17084 (token_actions): Always create conflict_list.
17085 * data/glr.c (YYFLAG): Remove, unused.
17087 2002-10-13 Akim Demaille <akim@epita.fr>
17089 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
17091 (VALGRIND, GXX): New.
17092 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
17093 * tests/bison.in: Run $PREBISON a pre-command.
17094 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
17095 (maintainer-check-g++): New.
17096 * Makefile.am (maintainer-check): New.
17098 2002-10-13 Akim Demaille <akim@epita.fr>
17100 * data/glr.c: Formatting changes.
17101 Tweak some trace messages to match yacc.c's.
17103 2002-10-13 Akim Demaille <akim@epita.fr>
17105 GLR parsers sometimes raise parse errors instead of performing the
17107 Reported by Charles-Henry de Boysson.
17109 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
17110 check the length of the traces when %glr.
17111 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
17113 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
17115 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
17116 (yyltype): Remove the yy prefix from the member names.
17117 (yytable): Complete its comment.
17118 (yygetLRActions): Map error action number from YYTABLE from
17120 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
17121 (which was a bug: it should have been YYTABEL_NINF, and yet it was
17122 not satisfying as we could compare an YYACTION computed from
17123 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
17124 only value for error actions.
17125 (yyreportParseError): In verbose parse error messages, don't issue
17126 `error' in the list of expected tokens.
17127 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
17128 next action to perform to match glr.c's decoding.
17129 (yytable): Complete its comment.
17131 2002-10-13 Paul Eggert <eggert@twinsun.com>
17133 Fix problem reported by Henrik Grubbstroem in
17134 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
17135 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
17136 because the Bison parser reads the second action before reducing
17138 * src/scan-gram.l (rule_length): New static var.
17139 Use it to keep track of the rule length in the scanner, since
17140 we can't expect the parser to be in lock-step sync with the scanner.
17141 (handle_action_dollar, handle_action_at): Use this var.
17142 * tests/actions.at (Exotic Dollars): Test for the problem.
17144 2002-10-12 Paul Eggert <eggert@twinsun.com>
17146 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
17147 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
17148 Include <sys/time.h> when checking for clock_t and struct tms.
17149 Use same include order as source.
17150 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
17151 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
17153 * lib/timevar.c: Update copyright date and clarify comments.
17154 (get_time) [IN_GCC]: Keep the GCC version for reference.
17156 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
17157 GCC version as of today, then merge Bison's changes.
17158 Change "GCC" to "Bison" in copyright notice. timevar.def's
17159 author is Akim, so change that too.
17161 * src/reader.c (grammar_current_rule_check):
17162 Don't worry about the default action if $$ is untyped.
17163 Prevents bogus warnings reported by Jim Gifford in
17164 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
17166 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
17167 * data/glr.c, data/lalr1.cc, data/yacc.c:
17168 Output token definitions before the first part of user declarations.
17169 Fixes compatibility problem reported by Jim Gifford for kbd in
17170 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
17172 2002-10-11 Paul Eggert <eggert@twinsun.com>
17174 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
17175 (yyparse): here. This undoes some of the 2002-07-25 change.
17176 Compatibility problem reported by Ralf S. Engelschall with
17177 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
17179 2002-10-11 Akim Demaille <akim@epita.fr>
17181 * tests/regression.at Characters Escapes): New.
17182 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
17184 Reported by Jan Nieuwenhuizen.
17186 2002-10-11 Akim Demaille <akim@epita.fr>
17190 2002-10-10 Paul Eggert <eggert@twinsun.com>
17192 Portability fixes for bitsets; this also avoids several GCC
17195 * lib/abitset.c: Include <stddef.h>, for offsetof.
17196 * lib/lbitset.c: Likewise.
17198 * lib/abitset.c (abitset_bytes): Return a size that is aligned
17199 properly for vectors of objects. Do not assume that adding a
17200 header size to a multiple of a word size yields a value that is
17201 properly aligned for the whole union.
17202 * lib/bitsetv.c (bitsetv_alloc): Likewise.
17204 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
17205 unique names for structures.
17206 * lib/ebitset.c (ebitset_bytes): Likewise.
17207 * lib/lbitset.c (lbitset_bytes): Likewise.
17209 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
17210 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
17211 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
17212 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
17213 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
17214 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
17215 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
17216 to improve the type-checking that GCC can do.
17217 * lib/bitset.c (bitset_op4_cmp): Likewise.
17218 * lib/bitset_stats.c (bitset_stats_count,
17219 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
17220 bitset_stats_copy, bitset_stats_disjoint_p,
17221 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
17222 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
17223 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
17224 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
17225 bitset_stats_and_or_cmp, bitset_stats_andn_or,
17226 bitset_stats_andn_or_cmp, bitset_stats_or_and,
17227 bitset_stats_or_and_cmp): Likewise.
17228 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
17229 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
17230 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
17231 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
17233 * lib/abitset.h: Include bitset.h, not bbitset.h.
17234 * lib/ebitset.h: Likewise.
17235 * lib/lbitset.h: Likewise.
17237 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
17238 All instances of parameters of type enum bitset_opts are now of
17239 type enum_bitset_opts, to conform to the C Standard, and similarly
17240 for enum_bitset_type.
17241 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
17242 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
17244 Do not use "struct bitset_struct" to mean different things in
17245 different modules. Not only is this confusing, it violates
17246 the C Standard, which requires that structure types in different
17247 modules must be compatible if one is to be passed to the other.
17248 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
17249 All instances of "struct bitset_struct *" replaced with "bitset".
17250 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
17251 (union bitset_union, struct abitset_struct, struct ebitset_struct,
17252 struct lbitset_struct, struct bitset_stats_struct): New types.
17253 All uses of struct bitset_struct changed to union bitset_union,
17255 * lib/abitset.c (struct abitset_struct, abitset,
17256 struct bitset_struct): Remove.
17257 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
17258 struct bitset_struct): Remove.
17259 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
17260 bitset_struct): Remove.
17261 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
17264 Do not call a function of type T using a call that assumes the
17265 function is of a different type U. Standard C requires that a
17266 function must be called with a type that is compatible with its
17268 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
17270 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
17272 * lib/ebitset.c (PFV): Remove.
17273 * lib/lbitset.c (PFV): Likewise.
17274 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
17275 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
17277 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
17278 (ebitset_vtable): Use them.
17279 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
17280 lbitset_xor): New functions.
17281 (lbitset_vtable): Use them.
17283 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
17286 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
17288 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
17289 Use offsetof, for simplicity.
17291 2002-10-06 Paul Eggert <eggert@twinsun.com>
17293 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
17294 the same width as int. This reapplies a hunk of the 2002-08-12 patch
17295 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
17296 which was inadvertently undone by the 2002-09-30 patch.
17297 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
17298 the same width as int.
17300 2002-10-04 Paul Eggert <eggert@twinsun.com>
17304 * configure.ac (AC_INIT), NEWS: Increment version number.
17306 * doc/bison.texinfo: Minor spelling, grammar, and white space
17308 (Symbols): Mention that any negative value returned from yylex
17309 signifies end-of-input. Warn about negative chars. Mention
17310 the portable Standard C character set.
17312 The GNU coding standard says CFLAGS and YFLAGS are reserved
17313 for the installer to set.
17314 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
17315 * src/Makefile.am (AM_CFLAGS): Likewise.
17316 (AM_YFLAGS): Renamed from YFLAGS.
17318 Fix some MAX and MIN problems.
17319 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
17320 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
17321 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
17322 * src/reader.c (reader): Use it.
17324 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
17325 POSIX 1003.1-2001 has removed fgrep.
17327 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17329 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
17330 interpreted as signed.
17331 * lib/ebitset.c (ebitset_list): Fix bug.
17333 2002-10-01 Paul Eggert <eggert@twinsun.com>
17335 More fixes for 64-bit hosts and large bitsets.
17337 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
17338 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
17339 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
17340 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
17341 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
17342 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
17343 bitset_count_): Likewise.
17344 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
17345 bitset_first, bitset_last): Likewise.
17346 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
17347 bitset_stats_list_reverse, bitset_stats_size,
17348 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
17350 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
17351 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
17352 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
17353 bitsetv_reflexive_transitive_closure): Likewise.
17354 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
17355 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
17357 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
17360 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
17361 Use size_t, not unsigned int, to count bytes.
17362 * lib/abitset.h (abitset_bytes): Likewise.
17363 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
17365 * lib/bitset.h (bitset_bytes): Likewise.
17366 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
17367 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
17368 * lib/bitsetv.c (bitsetv_alloc): Likewise.
17369 * lib/ebitset.c (ebitset_bytes): Likewise.
17370 * lib/ebitset.h (ebitset_bytes): Likewise.
17371 * lib/lbitset.c (lbitset_bytes): Likewise.
17372 * lib/lbitset.h (lbitset_bytes): Likewise.
17374 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
17375 abitset_subset_p, abitset_disjoint_p, abitset_and,
17376 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
17377 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
17378 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
17379 abitset_or_and, abitset_or_and_cmp):
17380 Use bitset_windex instead of unsigned int.
17381 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
17382 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
17383 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
17384 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
17386 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
17388 * lib/bitset.c (bitset_print):
17389 Use proper printf formats for widths of integer types.
17390 * lib/bitset_stats.c (bitset_percent_histogram_print,
17391 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
17392 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
17393 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
17394 * lib/lbitset.c (lbitset_bytes): Likewise.
17396 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
17397 BITSET_SIZE_MAX): New macros.
17398 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
17399 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
17400 to BITSET_WINDEX_MAX.
17402 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
17403 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
17404 since we now return the bitset_bindex type (not int).
17406 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
17407 when computing sizes.
17408 * lib/ebitset.c (ebitset_elts_grow): Likewise.
17410 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
17411 and avoid cast to unsigned.
17413 2002-09-30 Akim Demaille <akim@epita.fr>
17415 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
17416 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
17417 Updates from Michael Hayes.
17419 2002-09-30 Art Haas <ahaas@neosoft.com>
17421 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
17423 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
17426 2002-09-27 Akim Demaille <akim@epita.fr>
17430 2002-09-27 Akim Demaille <akim@epita.fr>
17432 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
17433 (Because of AC_LIBSOURCE).
17435 2002-09-27 Akim Demaille <akim@epita.fr>
17437 Playing with Autoscan.
17439 * configure.ac: Remove the old LIBOBJ tweaks.
17440 (AC_REPLACE_FUNCS): Add strrchr and strtol.
17441 * lib/strrchr.c: New.
17442 * lib/strtol.c: New, from the Coreutils 4.5.1.
17444 2002-09-27 Akim Demaille <akim@epita.fr>
17446 Playing with Autoscan.
17448 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
17449 * lib/Makefile.am (libbison_a_SOURCES): No longer include
17450 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
17451 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
17454 2002-09-24 Akim Demaille <akim@epita.fr>
17456 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
17457 (Frequently Asked Questions, Parser Stack Overflow): New.
17459 2002-09-13 Akim Demaille <akim@epita.fr>
17461 Playing with autoscan.
17463 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
17464 * src/files.c (skeleton_find): Remove, unused.
17465 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
17466 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
17468 2002-09-13 Akim Demaille <akim@epita.fr>
17470 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
17471 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
17473 2002-09-13 Akim Demaille <akim@epita.fr>
17475 * configure.ac: Require 2.54.
17476 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
17477 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
17478 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
17479 Remove, provided by Autoconf macros.
17481 2002-09-12 Akim Demaille <akim@epita.fr>
17483 * m4/prereq.m4: Update, from Coreutils 4.5.1.
17485 2002-09-12 Akim Demaille <akim@epita.fr>
17487 * m4/prereq.m4: Update, from Fileutils 4.1.5.
17488 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
17489 Reported by Martin Mokrejs.
17491 2002-09-10 Akim Demaille <akim@epita.fr>
17493 * src/parse-gram.y: Associate a human readable string to each
17495 * tests/regression.at (Invalid inputs): Adjust.
17497 2002-09-10 Gary V. Vaughan <gary@gnu.org>
17499 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
17500 with an Autoconf-2.5x style configure.ac.
17502 2002-09-06 Paul Eggert <eggert@twinsun.com>
17504 * doc/bison.texinfo (Conditions): Make explicit that the GPL
17505 exception applies only to yacc.c. This is a modification of a
17506 patch originally suggested by Akim Demaille.
17508 2002-09-06 Akim Demaille <akim@epita.fr>
17510 * data/c.m4 (b4_copyright): Move the GPL exception comment from
17512 * data/yacc.c: here.
17514 * data/lalr1.cc (struct yyltype): Don't define it, since we use
17516 (b4_ltype): Default to yy::Location from location.hh.
17518 2002-09-04 Jim Meyering <jim@meyering.net>
17520 * data/yacc.c: Guard the declaration of yytoknum also with
17521 `#ifdef YYPRINT', so it is declared only when used.
17523 2002-09-04 Akim Demaille <akim@epita.fr>
17525 * configure.in: Rename as...
17526 * configure.ac: this.
17529 2002-09-04 Akim Demaille <akim@epita.fr>
17531 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
17532 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
17533 translate maintainer only messages.
17535 2002-08-12 Paul Eggert <eggert@twinsun.com>
17539 * Makefile.am (SUBDIRS): Remove intl.
17540 (DISTCLEANFILES): Remove.
17541 * NEWS: Mention that GNU M4 is now required. Clarify what is
17542 meant by "larger grammars". Mention the pt_BR translation.
17543 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
17544 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
17545 Bump version from 0.11.2 to 0.11.5.
17546 (BISON_PREREQ_STAGE): Remove.
17547 (AM_GNU_GETTEXT): Use external gettext.
17548 (AC_OUTPUT): Remove intl/Makefile.
17550 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
17552 * data/glr.c: Include string.h, for strlen.
17553 (yyreportParseError): Use size_t for yysize.
17554 (yy_yypstack): No longer nested inside yypstates, as nested
17555 functions are not portable. Do not assume size_t is the
17557 (yypstates): Do not assume that ptrdiff_t is the same width
17558 as int, and similarly for yyposn and YYINDEX.
17560 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
17562 * lib/Makefile.am (INCLUDES): Do not include from the intl
17563 directory, which has been removed.
17564 * src/Makefile.am (INCLUDES): Likewise.
17566 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
17567 (bitsets_sources, additional_bitsets_sources, timevars_sources):
17570 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
17571 * tests/Makefile.am (EXTRA_DIST): Likewise.
17573 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
17574 Do not assume that bitset_windex is the same width as unsigned.
17576 * lib/abitset.c (abitset_unused_clear): Do not assume that
17577 bitset_word is the same width as int.
17578 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
17579 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
17580 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
17581 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
17582 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
17584 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
17585 portability to one's complement hosts!).
17586 * lib/ebitset.c (ebitset_op1): Likewise.
17587 * lib/lbitset.c (lbitset_op1): Likewise.
17589 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
17590 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
17591 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
17592 Sync with fileutils.
17593 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
17594 lib/gettext.h: Sync with diffutils.
17596 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
17597 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
17599 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
17600 PROTOTYPES to check for prototypes, and "defined __STDC__" to
17603 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
17604 size_t; the old version tried to do this but casted improperly.
17605 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
17606 (bitset_test): Now returns int, not unsigned long.
17608 * lib/bitset_stats.c: Include "gettext.h".
17610 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
17611 name locals "index", as it generates unnecessary warnings on some
17612 hosts that have an "index" function.
17614 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
17615 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
17616 they need translation.
17617 * src/LR0.c (state_list_append, new_itemsets, get_state,
17618 append_states, generate_states): Likewise.
17619 * src/assoc.c (assoc_to_string): Likewise.
17620 * src/closure.c (print_closure, set_firsts, closure): Likewise.
17621 * src/gram.c (grammar_dump): Likewise.
17622 * src/injections.c (injections_compute): Likewise.
17623 * src/lalr.c (lookaheads_print): Likewise.
17624 * src/relation.c (relation_transpose): Likewise.
17625 * src/scan-gram.l: Likewise.
17626 * src/tables.c (table_grow, pack_vector): Likewise.
17628 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
17629 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
17630 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
17631 * m4/mbstate_t.m4: Sync with fileutils.
17632 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
17634 * po/LINGUAS: Add pt_BR.
17635 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
17636 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
17638 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
17640 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
17642 * src/complain.c (strerror_r): Remove decl; not needed.
17643 (strerror): Use same pattern as ../lib/error.c.
17645 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
17647 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
17649 * src/main.c (main): Cast result of bindtextdomain and textdomain
17650 to void, to avoid a GCC warning when --disable-nls is in effect.
17652 * src/scan-gram.l: Use strings rather than escapes when possible,
17653 to minimize the number of warnings from xgettext.
17654 (handle_action_dollar, handle_action_at): Don't use isdigit,
17655 as it mishandles negative chars and it may not work as expected
17656 outside the C locale.
17658 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
17659 this is a GCC extension and is not portable to other compilers.
17661 * src/system.h (alloca): Use same pattern as ../lib/error.c.
17662 Do not include <ctype.h>; no longer needed.
17663 Do not include <malloc.h>; no longer needed (and generates
17664 warnings on OpenBSD 3.0).
17666 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
17669 * tests/regression.at: Do not use 'cc -c input.c -o input';
17670 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
17672 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
17673 exit status as failure, not just exit status 1. Sun C exits
17674 with status 2 sometimes.
17676 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
17677 Use it for the two large tests.
17679 2002-08-02 Akim Demaille <akim@epita.fr>
17681 * src/conflicts.c (conflicts_output): Don't output rules never
17682 reduced here, since anyway that computation doesn't work.
17683 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
17684 (rule_useless_p, rule_never_reduced_p): New.
17685 (grammar_rules_partial_print): Use a filter instead of a range.
17686 Display the title only if needed.
17687 (grammar_rules_print): Adjust.
17688 (grammar_rules_never_reduced_report): New.
17689 * src/tables.c (action_row): Move the computation of rules never
17691 (token_actions): here.
17692 * src/main.c (main): Make the parser before making the report, so
17693 that rules never reduced are computed.
17694 Call grammar_rules_never_reduced_report.
17695 * src/print.c (print_results): Report rules never reduced.
17696 * tests/conflicts.at, tests/reduce.at: Adjust.
17698 2002-08-01 Akim Demaille <akim@epita.fr>
17700 Instead of attaching lookaheads and duplicating the rules being
17701 reduced by a state, attach the lookaheads to the reductions.
17703 * src/state.h (state_t): Remove the `lookaheads',
17704 `lookaheads_rule' member.
17705 (reductions_t): Add a `lookaheads' member.
17706 Use a regular array for the `rules'.
17707 * src/state.c (reductions_new): Initialize the lookaheads member
17709 (state_rule_lookaheads_print): Adjust.
17710 * src/state.h, src/state.c (state_reductions_find): New.
17711 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
17712 (count_rr_conflicts): Adjust.
17713 * src/lalr.c (LArule): Remove.
17714 (add_lookback_edge): Adjust.
17715 (state_lookaheads_count): New.
17716 (states_lookaheads_initialize): Merge into...
17717 (initialize_LA): this.
17718 (lalr_free): Adjust.
17719 * src/main.c (main): Don't free nullable and derives too early: it
17720 is used by --verbose.
17721 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
17723 2002-08-01 Akim Demaille <akim@epita.fr>
17725 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
17727 (set_derives, free_derives): Rename as...
17728 (derives_compute, derives_free): this.
17729 Adjust all dependencies.
17730 * src/nullable.c (set_nullable, free_nullable): Rename as...
17731 (nullable_compute, nullable_free): these.
17732 (rule_list_t): Store rule_t *, not rule_number_t.
17733 * src/state.c (state_rule_lookaheads_print): Directly compare rule
17734 pointers, instead of their numbers.
17735 * src/main.c (main): Call nullable_free, and derives_free earlier,
17736 as they were lo longer used.
17738 2002-08-01 Akim Demaille <akim@epita.fr>
17740 * lib/timevar.c (get_time): Include children time.
17741 * src/lalr.h (LA, LArule): Don't export them: used with the
17743 * src/lalr.c (LA, LArule): Static.
17744 * src/lalr.h, src/lalr.c (lalr_free): New.
17745 * src/main.c (main): Call it.
17746 * src/tables.c (pack_vector): Check whether loc is >= to the
17748 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
17749 (tables_generate): do it, since that's also it which allocates
17751 Don't free LA and LArule, main does.
17753 2002-07-31 Akim Demaille <akim@epita.fr>
17755 Separate parser tables computation and output.
17757 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
17758 (conflict_list, conflict_list_cnt, table, check, table_ninf)
17759 (yydefgoto, yydefact, high): Move to...
17760 * src/tables.h, src/tables.c: here.
17761 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
17762 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
17763 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
17764 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
17765 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
17766 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
17767 (action_row, save_row, token_actions, save_column, default_goto)
17768 (goto_actions, sort_actions, matching_state, pack_vector)
17769 (table_ninf_remap, pack_table, prepare_actions): Move to...
17770 * src/tables.c: here.
17771 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
17772 * src/output.c (token_actions, output_base, output_conflicts)
17773 (output_check): Merge into...
17774 (prepare_actions): this.
17775 (actions_output): Rename as...
17776 (user_actions_output): this.
17777 * src/main.c (main): Call tables_generate and tables_free.
17779 2002-07-31 Akim Demaille <akim@epita.fr>
17781 Steal GCC's --time-report support.
17783 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
17784 stolen/adjusted from GCC.
17785 * m4/stage.m4: Remove time related checks.
17786 * m4/timevar.m4: New.
17787 * configure.in: Adjust.
17788 * src/system.h: Adjust to using timevar.h.
17789 * src/getargs.h, src/getargs.c: Support trace_time for
17791 * src/main.c (stage): Remove.
17792 (main): Replace `stage' invocations with timevar calls.
17793 * src/output.c: Insert pertinent timevar calls.
17795 2002-07-31 Akim Demaille <akim@epita.fr>
17797 Let --trace have arguments.
17799 * src/getargs.h (enum trace_e): New.
17800 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
17801 (long_options, short_options): --trace/-T takes an optional
17803 Change all the uses of trace_flag to reflect the new flags.
17804 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
17806 Strengthen `stage' portability.
17808 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
17809 * configure.in: Use it.
17810 Don't check for malloc.h and sys/times.h.
17811 * src/system.h: Include them when appropriate.
17812 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
17813 times and struct tms are available.
17815 2002-07-30 Akim Demaille <akim@epita.fr>
17817 In verbose parse error message, don't report `error' as an
17819 * tests/actions.at (Printers and Destructors): Adjust.
17820 * tests/calc.at (Calculator $1): Adjust.
17821 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
17822 error message, do not report the parser accepts the error token in
17825 2002-07-30 Akim Demaille <akim@epita.fr>
17827 Normalize conflict related messages.
17829 * src/complain.h, src/complain.c (warn, complain): New.
17830 * src/conflicts.c (conflicts_print): Use them.
17831 (conflict_report_yacc): New, extracted from...
17832 (conflicts_print): here.
17833 * tests/conflicts.at, tests/existing.at: Adjust.
17835 2002-07-30 Akim Demaille <akim@epita.fr>
17837 Report rules which are never reduced by the parser: those hidden
17840 * src/LR0.c (save_reductions): Don't make the final state too
17841 different: save its reduction (accept) instead of having a state
17842 without any action (no shift or goto, no reduce).
17843 Note: the final state is now a ``regular'' state, i.e., the
17844 parsers now contain `reduce 0' as default reduction.
17845 Nevertheless, since they decide to `accept' when yystate =
17846 final_state, they still will not reduce rule 0.
17847 * src/print.c (print_actions, print_reduction): Adjust.
17848 * src/output.c (action_row): Track reduced rules.
17849 (token_actions): Report rules never reduced.
17850 * tests/conflicts.at, tests/regression.at: Adjust.
17852 2002-07-30 Akim Demaille <akim@epita.fr>
17854 `stage' was accidently included in a previous patch.
17855 Initiate its autoconfiscation.
17857 * configure.in: Look for malloc.h and sys/times.h.
17858 * src/main.c (stage): Adjust.
17859 Report only when trace_flag.
17861 2002-07-29 Akim Demaille <akim@epita.fr>
17863 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
17865 (errs_t): symbol_t*, not symbol_number_t.
17866 (reductions_t): rule_t*, not rule_number_t.
17867 (FOR_EACH_SHIFT): New.
17868 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
17869 * src/print.c, src/print_graph.c: Adjust.
17871 2002-07-29 Akim Demaille <akim@epita.fr>
17873 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
17875 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
17876 (endtoken, accept): these.
17877 * src/reader.c (reader): Set endtoken's default tag to "$end".
17878 Set undeftoken's tag to "$undefined" instead of "$undefined.".
17879 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
17882 2002-07-29 Akim Demaille <akim@epita.fr>
17884 * src/reduce.c (reduce_grammar): When the language is empty,
17885 complain about the start symbol, not the axiom.
17887 * tests/reduce.at (Empty Language): New.
17889 2002-07-26 Akim Demaille <akim@epita.fr>
17891 * src/reader.h, src/reader.c (gram_error): ... can't get
17892 yycontrol without making too strong assumptions on the parser
17894 * src/output.c (prepare_tokens): Use the real 0th value of
17895 token_translations instead of `0'.
17896 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
17898 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
17899 for the time being: %locations ought to provide it to yyerror.
17901 2002-07-25 Akim Demaille <akim@epita.fr>
17903 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
17904 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
17905 * tests/regression.at (Web2c Actions): Adjust.
17907 2002-07-25 Akim Demaille <akim@epita.fr>
17909 Stop storing rules from 1 to nrules + 1.
17911 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
17912 * src/nullable.c, src/output.c, src/print.c, src/reader.c
17913 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
17914 Iterate from 0 to nrules.
17915 Use rule_number_as_item_number and item_number_as_rule_number.
17916 Adjust to `derive' now containing possibly 0.
17917 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
17918 Handle the `- 1' part in rule numbers from/to item numbers.
17919 * src/conflicts.c (log_resolution): Fix the message which reversed
17921 * src/output.c (action_row): Initialize default_rule to -1.
17922 (token_actions): Adjust.
17923 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
17925 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
17927 2002-07-25 Akim Demaille <akim@epita.fr>
17929 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
17930 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
17931 (b4_c_knr_arg_decl): New.
17932 * data/yacc.c: Use it to define yysymprint, yydestruct, and
17933 yyreport_parse_error.
17935 2002-07-25 Akim Demaille <akim@epita.fr>
17937 * data/yacc.c (yyreport_parse_error): New, extracted from...
17939 (yydestruct, yysymprint): Move above yyparse.
17942 2002-07-25 Akim Demaille <akim@epita.fr>
17944 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
17946 (b4_sint_type, b4_uint_type): these.
17947 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
17948 * tests/regression.at (Web2c Actions): Adjust.
17950 2002-07-25 Akim Demaille <akim@epita.fr>
17952 * src/gram.h (TIEM_NUMBER_MAX): New.
17953 (item_number_of_rule_number, rule_number_of_item_number): Rename
17955 (rule_number_as_item_number, item_number_as_rule_number): these.
17956 Adjust dependencies.
17957 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
17958 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
17959 (symbol_number_to_vector_number): New.
17960 (order): Of vector_number_t* type.
17961 (base_t, BASE_MAX, BASE_MIN): New.
17962 (froms, tos, width, pos, check): Of base_t type.
17963 (action_number_t, ACTION_MIN, ACTION_MAX): New.
17964 (actrow): Of action_number_t type.
17965 (conflrow): Of unsigned int type.
17966 (table_ninf, base_ninf): New.
17967 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
17968 (muscle_insert_int_table, muscle_insert_base_table)
17969 (muscle_insert_rule_number_table): New.
17970 (prepare_tokens): Output `toknum' as int_table.
17971 (action_row): Returns a rule_number_t.
17972 Use ACTION_MIN, not SHRT_MIN.
17973 (token_actions): yydefact is rule_number_t*.
17974 (table_ninf_remap): New.
17975 (pack_table): Use it for `base' and `table'.
17976 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
17978 (YYPACT_NINF, YYTABLE_NINF): these.
17979 (yypact, yytable): Compute their types instead of hard-coded
17981 * tests/regression.at (Web2c Actions): Adjust.
17983 2002-07-19 Akim Demaille <akim@epita.fr>
17985 * src/scan-gram.l (id): Can start with an underscore.
17987 2002-07-16 Akim Demaille <akim@epita.fr>
17989 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
17990 Adjust all former `associativity' dependencies.
17991 * src/symtab.c (symbol_new): Default associativity is `undef', not
17993 (symbol_check_alias_consistence): Adjust.
17995 2002-07-09 Akim Demaille <akim@epita.fr>
17997 * doc/bison.texinfo: Properly set the ``header'' part.
17998 Use @dircategory ``GNU programming tools'' as per Texinfo's
18002 2002-07-09 Akim Demaille <akim@epita.fr>
18004 * lib/quotearg.h: Protect against multiple inclusions.
18005 * src/location.h (location_t): Add a `file' member.
18006 (LOCATION_RESET, LOCATION_PRINT): Adjust.
18007 * src/complain.c (warn_at, complain_at, fatal_at): Drop
18008 `error_one_per_line' support.
18010 2002-07-09 Akim Demaille <akim@epita.fr>
18012 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
18013 * src/reader.c (lineno): Remove.
18014 Adjust all dependencies.
18015 (get_merge_function): Take a location and use complain_at.
18016 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
18017 * tests/regression.at (Invalid inputs, Mixing %token styles):
18020 2002-07-09 Akim Demaille <akim@epita.fr>
18022 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
18023 recovery rule, and forbid extensions when --yacc.
18024 (gram_error): Use complain_at.
18025 * src/reader.c (reader): Exit if there were parse errors.
18027 2002-07-09 Akim Demaille <akim@epita.fr>
18029 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
18030 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
18031 Reported by R Blake <blakers@mac.com>.
18033 2002-07-09 Akim Demaille <akim@epita.fr>
18035 * data/yacc.c: Output the copyright notive in the header.
18037 2002-07-03 Akim Demaille <akim@epita.fr>
18039 * src/output.c (froms, tos): Are state_number_t.
18040 (save_column): sp, sp1, and sp2 are state_number_t.
18041 (prepare): Rename `final' as `final_state_number', `nnts' as
18042 `nterms_number', `nrules' as `rules_number', `nstates' as
18043 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
18045 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
18046 * data/lalr1.cc (nsym_): Remove, unused.
18048 2002-07-03 Akim Demaille <akim@epita.fr>
18050 * src/lalr.h, src/lalr.c (goto_number_t): New.
18051 * src/lalr.c (goto_list_t): New.
18053 * src/nullable.c (rule_list_t): New.
18055 * src/types.h: Remove.
18057 2002-07-03 Akim Demaille <akim@epita.fr>
18059 * src/closure.c (print_fderives): Use rule_rhs_print.
18060 * src/derives.c (print_derives): Use rule_rhs_print.
18061 (rule_list_t): New, replaces `shorts'.
18062 (set_derives): Add comments.
18063 * tests/sets.at (Nullable, Firsts): Adjust.
18065 2002-07-03 Akim Demaille <akim@epita.fr>
18067 * src/output.c (prepare_actions): Free `tally' and `width'.
18068 (prepare_actions): Allocate and free `order'.
18069 * src/symtab.c (symbols_free): Free `symbols'.
18070 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
18071 * src/output.c (m4_invoke): Move to...
18072 * src/scan-skel.l: here.
18073 (<<EOF>>): Close yyout, and free its name.
18075 2002-07-03 Akim Demaille <akim@epita.fr>
18077 Fix some memory leaks, and fix a bug: state 0 was examined twice.
18079 * src/LR0.c (new_state): Merge into...
18080 (state_list_append): this.
18081 (new_states): Merge into...
18082 (generate_states): here.
18083 (set_states): Don't ensure a proper `errs' state member here, do it...
18084 * src/conflicts.c (conflicts_solve): here.
18085 * src/state.h, src/state.c: Comment changes.
18086 (state_t): Rename member `shifts' as `transitions'.
18087 Adjust all dependencies.
18088 (errs_new): For consistency, also take the values as argument.
18089 (errs_dup): Remove.
18090 (state_errs_set): New.
18091 (state_reductions_set, state_transitions_set): Assert that no
18092 previous value was assigned.
18094 (states_free): Use it.
18095 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
18096 temporary storage: use `errs' and `nerrs' as elsewhere.
18097 (set_conflicts): Allocate and free this `errs'.
18099 2002-07-02 Akim Demaille <akim@epita.fr>
18101 * lib/libiberty.h: New.
18102 * lib: Update the bitset implementation from upstream.
18103 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
18104 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
18105 * src/main.c: Adjust bitset stats calls.
18107 2002-07-01 Paul Eggert <eggert@twinsun.com>
18109 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
18110 char, so that negative chars don't collide with $.
18112 2002-06-30 Akim Demaille <akim@epita.fr>
18114 Have the GLR tests be `warning' checked, and fix the warnings.
18116 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
18117 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
18118 (yyremoveDeletes): `yyi' and `yyj' are size_t.
18119 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
18120 (yyaddDeferredAction): static.
18121 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
18122 (yyreportParseError): yyprefix is const.
18123 yytokenp is used only when verbose.
18124 (yy__GNUC__): Replace with __GNUC__.
18125 (yypdumpstack): yyi is size_t.
18126 (yypreference): Un-yy local variables and arguments, to avoid
18127 clashes with `yyr1'. Anyway, we are not in the user name space.
18128 (yytname_size): be an int, as is compared with ints.
18129 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
18131 * tests/cxx-gram.at: Use quotation to protect $1.
18132 Use AT_COMPILE to enable warnings hunts.
18133 Prototype yylex and yyerror.
18135 Include `string.h', not `strings.h'.
18136 Produce and prototype stmtMerge only when used.
18137 yylex takes a location.
18139 2002-06-30 Akim Demaille <akim@epita.fr>
18141 We spend a lot of time in quotearg, in particular when --verbose.
18143 * src/symtab.c (symbol_get): Store a quoted version of the key.
18144 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
18145 Adjust all callers.
18147 2002-06-30 Akim Demaille <akim@epita.fr>
18149 * src/state.h (reductions_t): Rename member `nreds' as num.
18150 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
18151 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
18153 2002-06-30 Akim Demaille <akim@epita.fr>
18155 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
18156 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
18157 (shifts_to): Rename as...
18158 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
18159 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
18160 (TRANSITION_IS_DISABLED, transitions_to): these.
18162 2002-06-30 Akim Demaille <akim@epita.fr>
18164 * src/print.c (print_shifts, print_gotos): Merge into...
18165 (print_transitions): this.
18166 (print_transitions, print_errs, print_reductions): Align the
18167 lookaheads columns.
18168 (print_core, print_transitions, print_errs, print_state,
18169 print_grammar): Output empty lines separator before, not after.
18170 (state_default_rule_compute): Rename as...
18171 (state_default_rule): this.
18172 * tests/conflicts.at (Defaulted Conflicted Reduction),
18173 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
18174 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
18176 2002-06-30 Akim Demaille <akim@epita.fr>
18178 Display items as we display rules.
18180 * src/gram.h, src/gram.c (rule_lhs_print): New.
18181 * src/gram.c (grammar_rules_partial_print): Use it.
18182 * src/print.c (print_core): Likewise.
18183 * tests/conflicts.at (Defaulted Conflicted Reduction),
18184 (Unresolved SR Conflicts): Adjust.
18185 (Unresolved SR Conflicts): Adjust and rename as...
18186 (Resolved SR Conflicts): this, as was meant.
18187 * tests/regression.at (Web2c Report): Adjust.
18189 2002-06-30 Akim Demaille <akim@epita.fr>
18191 * src/print.c (state_default_rule_compute): New, extracted from...
18192 (print_reductions): here.
18193 Pessimize, but clarify the code.
18194 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
18196 2002-06-30 Akim Demaille <akim@epita.fr>
18198 * src/output.c (action_row): Let default_rule be always a rule
18201 2002-06-30 Akim Demaille <akim@epita.fr>
18203 * src/closure.c (print_firsts, print_fderives, closure):
18204 Use BITSET_EXECUTE.
18205 * src/lalr.c (lookaheads_print): Likewise.
18206 * src/state.c (state_rule_lookaheads_print): Likewise.
18207 * src/print_graph.c (print_core): Likewise.
18208 * src/print.c (print_reductions): Likewise.
18209 * src/output.c (action_row): Likewise.
18210 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
18212 2002-06-30 Akim Demaille <akim@epita.fr>
18214 * src/print_graph.c: Use report_flag.
18216 2002-06-30 Akim Demaille <akim@epita.fr>
18218 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
18220 * src/relation.h, src/relation.c (traverse, relation_digraph)
18221 (relation_print, relation_transpose): New.
18223 2002-06-30 Akim Demaille <akim@epita.fr>
18225 * src/state.h, src/state.c (shifts_to): New.
18226 * src/lalr.c (build_relations): Use it.
18228 2002-06-30 Akim Demaille <akim@epita.fr>
18230 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
18231 (item_number_of_rule_number, rule_number_of_item_number): New.
18232 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
18233 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
18234 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
18235 Propagate their use.
18236 Much remains to be done, in particular wrt `shorts' from types.h.
18238 2002-06-30 Akim Demaille <akim@epita.fr>
18240 * src/symtab.c (symbol_new): Initialize the `printer' member.
18242 2002-06-30 Akim Demaille <akim@epita.fr>
18244 * src/LR0.c (save_reductions): Remove, replaced by...
18245 * src/state.h, src/state.c (state_reductions_set): New.
18246 (reductions, errs): Rename as...
18247 (reductions_t, errs_t): these.
18248 Adjust all dependencies.
18250 2002-06-30 Akim Demaille <akim@epita.fr>
18252 * src/LR0.c (state_list_t, state_list_append): New.
18253 (first_state, last_state): Now symbol_list_t.
18254 (this_state): Remove.
18255 (new_itemsets, append_states, save_reductions): Take a state_t as
18257 (set_states, generate_states): Adjust.
18258 (save_shifts): Remove, replaced by...
18259 * src/state.h, src/state.c (state_shifts_set): New.
18260 (shifts): Rename as...
18262 Adjust all dependencies.
18263 * src/state.h (state_t): Remove the `next' member.
18265 2002-06-30 Akim Demaille <akim@epita.fr>
18267 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
18270 2002-06-30 Akim Demaille <akim@epita.fr>
18272 Use hash.h for the state hash table.
18274 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
18275 (allocate_storage): Use state_hash_new.
18276 (free_storage): Use state_hash_free.
18277 (new_state, get_state): Adjust.
18278 * src/lalr.h, src/lalr.c (states): Move to...
18279 * src/states.h (state_t): Remove the `link' member, no longer
18281 * src/states.h, src/states.c: here.
18282 (state_hash_new, state_hash_free, state_hash_lookup)
18283 (state_hash_insert, states_free): New.
18284 * src/states.c (state_table, state_compare, state_hash): New.
18285 * src/output.c (output_actions): Do not free states now, since we
18286 still need to know the final_state number in `prepare', called
18287 afterwards. Do it...
18288 * src/main.c (main): here: call states_free after `output'.
18290 2002-06-30 Akim Demaille <akim@epita.fr>
18292 * src/state.h, src/state.c (state_new): New, extracted from...
18293 * src/LR0.c (new_state): here.
18294 * src/state.h (STATE_ALLOC): Move to...
18295 * src/state.c: here.
18296 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
18297 * src/state.h, src/state.c: here.
18299 2002-06-30 Akim Demaille <akim@epita.fr>
18301 * src/reader.c (gensym): Rename as...
18302 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
18303 (getsym): Rename as...
18304 (symbol_get): this.
18306 2002-06-30 Akim Demaille <akim@epita.fr>
18308 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
18309 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
18310 * src/output.c, src/print.c, src/print_graph.c: Propagate.
18311 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
18313 2002-06-30 Akim Demaille <akim@epita.fr>
18315 Make the test suite pass with warnings checked.
18317 * tests/actions.at (Printers and Destructors): Improve.
18318 Avoid unsigned vs. signed issues.
18319 * tests/calc.at: Don't exercise the scanner here, do it...
18320 * tests/input.at (Torturing the Scanner): here.
18322 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18324 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
18325 reorganize first lines parallel to yacc.c.
18327 2002-06-28 Akim Demaille <akim@epita.fr>
18329 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
18330 (b4_token_enum, b4_token_defines): New, factored from...
18331 * data/lalr1.cc, data/yacc.c, glr.c: here.
18333 2002-06-28 Akim Demaille <akim@epita.fr>
18335 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
18337 * src/output.c (merger_output): static.
18339 2002-06-28 Akim Demaille <akim@epita.fr>
18341 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
18342 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
18344 * src/output.c (save_row): Initialize all the variables to pacify GCC.
18346 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18348 Accumulated changelog for new GLR parsing features.
18350 * src/conflicts.c (count_total_conflicts): Change name to
18351 conflicts_total_count.
18352 * src/conflicts.h: Ditto.
18353 * src/output.c (token_actions): Use the new name.
18354 (output_conflicts): Change conflp => conflict_list_heads, and
18355 confl => conflict_list for better readability.
18356 * data/glr.c: Use the new names.
18357 * NEWS: Add self to GLR announcement.
18359 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
18361 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
18364 * data/bison.glr: Change name to glr.c
18365 * data/glr.c: Renamed from bison.glr.
18366 * data/Makefile.am: Add glr.c
18370 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
18371 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
18373 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18375 * data/bison.glr: Be sure to restore the
18376 current #line when returning to the skeleton contents after having
18377 exposed the input file's #line.
18379 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18381 * data/bison.glr: Bring up to date with changes to bison.simple.
18383 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18385 * data/bison.glr: Correct definitions that use b4_prefix.
18386 Various reformatting.
18387 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
18388 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
18389 yytokenp argument; now part of stack.
18390 (yychar): Define to behave as documented.
18391 (yyclearin): Ditto.
18393 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
18395 * src/reader.h: Add declaration for free_merger_functions.
18397 * src/reader.c (merge_functions): New variable.
18398 (get_merge_function): New function.
18399 (free_merger_functions): New function.
18400 (readgram): Check for %prec that is not followed by a symbol.
18401 Handle %dprec and %merge declarations.
18402 (packgram): Initialize dprec and merger fields in rules array.
18404 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
18405 conflict_list_cnt, conflict_list_free): New variables.
18406 (table_grow): Also grow conflict_table.
18407 (prepare_rules): Output dprec and merger tables.
18408 (conflict_row): New function.
18409 (action_row): Output conflict lists for GLR parser. Don't use
18410 default reduction in conflicted states for GLR parser so that there
18411 are spaces for the conflict lists.
18412 (save_row): Also save conflict information.
18413 (token_actions): Allocate conflict list.
18414 (merger_output): New function.
18415 (pack_vector): Pack conflict table, too.
18416 (output_conflicts): New function to output yyconflp and yyconfl.
18417 (output_check): Allocate conflict_tos.
18418 (output_actions): Output conflict tables, also.
18419 (output_skeleton): Output b4_mergers definition.
18420 (prepare): Output b4_max_rhs_length definition.
18421 Use 'bison.glr' as default skeleton for GLR parsers.
18423 * src/gram.c (glr_parser): New flag.
18424 (grammar_free): Call free_merger_functions.
18426 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
18427 all pairs of conflicting reductions, rather than just all tokens
18428 causing conflicts. Needed to size conflict tables.
18429 (conflicts_output): Modify call to count_rr_conflicts for new
18431 (conflicts_print): Ditto.
18432 (count_total_conflicts): New function.
18434 * src/reader.h (merger_list): New type.
18435 (merge_functions): New variable.
18437 * src/lex.h (tok_dprec, tok_merge): New token types.
18439 * src/gram.h (rule_s): Add dprec and merger fields.
18440 (glr_parser): New flag.
18442 * src/conflicts.h (count_total_conflicts): New function.
18444 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
18446 * doc/bison.texinfo (Generalized LR Parsing): New section.
18447 (GLR Parsers): New section.
18448 (Language and Grammar): Mention GLR parsing.
18449 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
18450 Correct typo ("tge" -> "the").
18452 * data/bison.glr: New skeleton for GLR parsing.
18454 * tests/cxx-gram.at: New tests for GLR parsing.
18456 * tests/testsuite.at: Include cxx-gram.at.
18458 * tests/Makefile.am: Add cxx-gram.at.
18460 * src/parse-gram.y:
18462 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
18464 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
18466 2002-06-27 Akim Demaille <akim@epita.fr>
18468 * src/options.h, src/options.c: Remove.
18469 * src/getargs.c (short_options, long_options): New.
18471 2002-06-27 Akim Demaille <akim@epita.fr>
18473 * data/bison.simple, data/bison.c++: Rename as...
18474 * data/yacc.c, data/lalr1.cc: these.
18475 * doc/bison.texinfo (Environment Variables): Remove.
18477 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
18479 * src/getargs.c (report_argmatch): Initialize strtok().
18481 2002-06-20 Akim Demaille <akim@epita.fr>
18483 * data/bison.simple (b4_symbol_actions): New, replaces...
18484 (b4_symbol_destructor, b4_symbol_printer): these.
18485 (yysymprint): Be sure to call YYPRINT only for tokens, and using
18486 user token numbers.
18488 2002-06-20 Akim Demaille <akim@epita.fr>
18490 * data/bison.simple (yydestructor): Rename as...
18491 (yydestruct): this.
18493 2002-06-20 Akim Demaille <akim@epita.fr>
18495 * src/symtab.h, src/symtab.c (symbol_type_set)
18496 (symbol_destructor_set, symbol_precedence_set): The location is
18498 Adjust all callers.
18500 2002-06-20 Akim Demaille <akim@epita.fr>
18502 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
18504 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
18506 * src/symtab.h, src/symtab.c (symbol_class_set)
18507 (symbol_user_token_number_set): Likewise.
18508 Adjust all callers.
18509 Promote complain_at.
18510 * tests/input.at (Type Clashes): Adjust.
18512 2002-06-20 Akim Demaille <akim@epita.fr>
18514 * data/bison.simple (YYLEX): Fix the declaration when
18517 2002-06-20 Akim Demaille <akim@epita.fr>
18519 * data/bison.simple (yysymprint): Don't print the token number,
18521 * tests/actions.at (Destructors): Rename as...
18522 (Printers and Destructors): this.
18523 Also exercise %printer.
18525 2002-06-20 Akim Demaille <akim@epita.fr>
18527 * data/bison.simple (YYDSYMPRINT): New.
18528 Use it to remove many of the #if YYDEBUG/if (yydebug).
18530 2002-06-20 Akim Demaille <akim@epita.fr>
18532 * src/symtab.h, src/symtab.c (symbol_t): printer and
18533 printer_location are new members.
18534 (symbol_printer_set): New.
18535 * src/parse-gram.y (PERCENT_PRINTER): New token.
18536 Handle its associated rule.
18537 * src/scan-gram.l: Adjust.
18538 (handle_destructor_at, handle_destructor_dollar): Rename as...
18539 (handle_symbol_code_at, handle_symbol_code_dollar): these.
18540 * src/output.c (symbol_printers_output): New.
18541 (output_skeleton): Call it.
18542 * data/bison.simple (yysymprint): New. Cannot be named yyprint
18543 since there are already many grammar files with a user `yyprint'.
18544 Replace the calls to YYPRINT to calls to yysymprint.
18545 * tests/calc.at: Adjust.
18546 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
18547 taking advantage of parser very internal details (stack size!).
18549 2002-06-20 Akim Demaille <akim@epita.fr>
18551 * src/scan-gram.l: Complete the scanner with the missing patterns
18553 Use `quote' and `symbol_tag_get' where appropriate.
18555 2002-06-19 Akim Demaille <akim@epita.fr>
18557 * tests/actions.at (Destructors): Augment to test locations.
18558 * data/bison.simple (yydestructor): Pass it the current location
18559 if locations are enabled.
18560 Prototype only when __STDC__ or C++.
18561 Change the argument names to move into the yy name space: there is
18564 2002-06-19 Akim Demaille <akim@epita.fr>
18566 * data/bison.simple (b4_pure_if): New.
18567 Use it instead of #ifdef YYPURE.
18569 2002-06-19 Akim Demaille <akim@epita.fr>
18571 * data/bison.simple (b4_location_if): New.
18572 Use it instead of #ifdef YYLSP_NEEDED.
18574 2002-06-19 Akim Demaille <akim@epita.fr>
18576 Prepare @$ in %destructor, but currently don't bind it in the
18577 skeleton, as %location use is not cleaned up yet.
18579 * src/scan-gram.l (handle_dollar, handle_destructor_at)
18580 (handle_action_at): New.
18581 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
18582 a braced_code_t and a location as additional arguments.
18583 (handle_destructor_dollar): Instead of requiring `b4_eval', just
18584 unquote one when outputting `b4_dollar_dollar'.
18586 * data/bison.simple (b4_eval): Remove.
18587 (b4_symbol_destructor): Adjust.
18588 * tests/input.at (Invalid @n): Adjust.
18590 2002-06-19 Zack Weinberg <zack@codesourcery.com>
18592 * doc/bison.texinfo: Document ability to have multiple
18595 2002-06-18 Akim Demaille <akim@epita.fr>
18597 * src/files.c (compute_base_names): When computing the output file
18598 names from the input file name, strip the directory part.
18600 2002-06-18 Akim Demaille <akim@epita.fr>
18602 * data/bison.simple.new: Comment changes.
18603 Reported by Andreas Schwab.
18605 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
18607 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
18608 there are no `label `yyoverflowlab' defined but not used' warnings
18609 when yyoverflow is defined.
18611 2002-06-18 Akim Demaille <akim@epita.fr>
18613 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
18615 (symbol_destructor_set): Adjust.
18616 * src/output.c (symbol_destructors_output): Output the destructor
18618 Output the symbol name.
18619 * data/bison.simple (b4_symbol_destructor): Adjust.
18621 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
18622 and Akim Demaille <akim@epita.fr>
18624 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
18625 what's left on the stack when the error recovery hits EOF.
18626 * tests/actions.at (Destructors): Complete to exercise this case.
18628 2002-06-17 Akim Demaille <akim@epita.fr>
18630 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
18631 arguments is really empty, not only equal to `[]'.
18632 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
18634 (symbol_destructor_set): New.
18635 * src/output.c (symbol_destructors_output): New.
18636 * src/reader.h (brace_code_t, current_braced_code): New.
18637 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
18638 (handle_dollar): Rename as...
18639 (handle_action_dollar): this.
18640 (handle_destructor_dollar): New.
18641 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
18642 (grammar_declaration): Use it.
18643 * data/bison.simple (yystos): Is always defined.
18644 (yydestructor): New.
18645 * tests/actions.at (Destructors): New.
18646 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
18648 2002-06-17 Akim Demaille <akim@epita.fr>
18650 * src/symlist.h, src/symlist.c (symbol_list_length): New.
18651 * src/scan-gram.l (handle_dollar, handle_at): Compute the
18652 rule_length only when needed.
18653 * src/output.c (actions_output, token_definitions_output): Output
18655 * src/symtab.c: Don't access directly to the symbol tag, use
18657 * src/parse-gram.y: Use symbol_list_free.
18659 2002-06-17 Akim Demaille <akim@epita.fr>
18661 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
18662 (symbol_list_prepend, get_type_name): Move to...
18663 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
18664 (symbol_list_prepend, symbol_list_n_type_name_get): here.
18665 Adjust all callers.
18666 (symbol_list_free): New.
18667 * src/scan-gram.l (handle_dollar): Takes a location.
18668 * tests/input.at (Invalid $n): Adjust.
18670 2002-06-17 Akim Demaille <akim@epita.fr>
18672 * src/reader.h, src/reader.c (symbol_list_new): Export it.
18673 (symbol_list_prepend): New.
18674 * src/parse-gram.y (%union): `list' is a new member.
18675 (symbols.1): New, replaces...
18676 (terms_to_prec.1, nterms_to_type.1): these.
18677 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
18678 Take a location as additional argument.
18679 Adjust all callers.
18681 2002-06-15 Akim Demaille <akim@epita.fr>
18683 * src/parse-gram.y: Move %token in the declaration section so that
18684 we don't depend upon CVS Bison.
18686 2002-06-15 Akim Demaille <akim@epita.fr>
18688 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
18689 * src/print.c (print_core): Use it.
18691 2002-06-15 Akim Demaille <akim@epita.fr>
18693 * src/conflicts.c (log_resolution): Accept the rule involved in
18694 the sr conflicts instead of the lookahead number that points to
18696 (flush_reduce): Accept the current lookahead vector as argument,
18697 instead of the index in LA.
18698 (resolve_sr_conflict): Accept the current number of lookahead
18699 bitset to consider for the STATE, instead of the index in LA.
18700 (set_conflicts): Adjust.
18701 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
18703 2002-06-15 Akim Demaille <akim@epita.fr>
18705 * src/state.h (state_t): Replace the `lookaheadsp' member, a
18706 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
18707 Adjust all dependencies.
18708 * src/lalr.c (initialize_lookaheads): Split into...
18709 (states_lookaheads_count, states_lookaheads_initialize): these.
18712 2002-06-15 Akim Demaille <akim@epita.fr>
18714 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
18716 (grammar_rules_print): here.
18717 * src/reduce.c (reduce_output): Use it.
18718 * tests/reduce.at (Useless Rules, Reduced Automaton)
18719 (Underivable Rules): Adjust.
18721 2002-06-15 Akim Demaille <akim@epita.fr>
18723 Copy BYacc's nice way to report the grammar.
18725 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
18727 Don't print the rules' location, it is confusing and useless.
18728 (rule_print): Use grammar_rhs_print.
18729 * src/print.c (print_grammar): Use grammar_rules_print.
18731 2002-06-15 Akim Demaille <akim@epita.fr>
18733 Complete and rationalize `useless thing' warnings.
18735 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
18736 (symbol_tag_print): New.
18737 Use them everywhere in place of accessing directly the tag member.
18738 * src/gram.h, src/gram.c (rule_print): New.
18739 Use it where a rule used to be printed `by hand'.
18740 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
18741 (reduce_grammar_tables): Report the useless rules.
18742 (reduce_print): Useless things are a warning, not an error.
18744 * tests/reduce.at (Useless Nonterminals, Useless Rules):
18745 (Reduced Automaton, Underivable Rules): Adjust.
18746 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
18747 * tests/conflicts.at (Unresolved SR Conflicts)
18748 (Solved SR Conflicts): Adjust.
18750 2002-06-15 Akim Demaille <akim@epita.fr>
18752 Let symbols have a location.
18754 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
18756 Adjust all callers.
18757 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
18758 Use location_t, not int.
18759 * src/symtab.c (symbol_check_defined): Take advantage of the
18761 * tests/regression.at (Invalid inputs): Adjust.
18763 2002-06-15 Akim Demaille <akim@epita.fr>
18765 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
18766 (input): Don't try to initialize yylloc here, do it in the
18768 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
18769 * src/gram.h (rule_t): Change line and action_line into location
18770 and action_location, of location_t type.
18771 Adjust all dependencies.
18772 * src/location.h, src/location.c (empty_location): New.
18773 * src/reader.h, src/reader.c (grammar_start_symbol_set)
18774 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
18775 (grammar_current_rule_symbol_append)
18776 (grammar_current_rule_action_append): Expect a location as argument.
18777 * src/reader.c (grammar_midrule_action): Adjust to attach an
18778 action's location as dummy symbol location.
18779 * src/symtab.h, src/symtab.c (startsymbol_location): New.
18780 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
18783 2002-06-14 Akim Demaille <akim@epita.fr>
18785 Grammar declarations may be found in the grammar section.
18787 * src/parse-gram.y (rules_or_grammar_declaration): New.
18788 (declarations): Each declaration may end with a semicolon, not
18790 (grammar_declaration): `"%union"'.
18791 (grammar): Branch to rules_or_grammar_declaration.
18793 2002-06-14 Akim Demaille <akim@epita.fr>
18795 * src/main.c (main): Invoke scanner_free.
18797 2002-06-14 Akim Demaille <akim@epita.fr>
18799 * src/output.c (m4_invoke): Extracted from...
18800 (output_skeleton): here.
18803 2002-06-14 Akim Demaille <akim@epita.fr>
18805 * src/parse-gram.y (directives, directive, gram)
18806 (grammar_directives, precedence_directives, precedence_directive):
18808 (declarations, declaration, grammar, grammar_declaration)
18809 (precedence_declaration, precedence_declarator): these.
18810 (symbol_declaration): New.
18812 2002-06-14 Akim Demaille <akim@epita.fr>
18814 * src/files.c (action_obstack): Remove, unused.
18815 (output_obstack): Remove it, and all its dependencies, as it is no
18817 * src/reader.c (epilogue_set): Build the epilogue in the
18819 * src/output.h, src/output.c (muscle_obstack): Move to...
18820 * src/muscle_tab.h, src/muscle_tab.h: here.
18821 (muscle_init): Initialize muscle_obstack.
18822 (muscle_free): New.
18823 * src/main.c (main): Call it.
18825 2002-06-14 Akim Demaille <akim@epita.fr>
18827 * src/location.h: New, extracted from...
18828 * src/reader.h: here.
18829 * src/Makefile.am (noinst_HEADERS): Merge into
18830 (bison_SOURCES): this.
18832 * src/parse-gram.y: Use location_t instead of Bison's.
18833 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
18834 Use location_t instead of ints.
18836 2002-06-14 Akim Demaille <akim@epita.fr>
18838 * data/bison.simple, data/bison.c++: Be sure to restore the
18839 current #line when returning to the skeleton contents after having
18840 exposed the input file's #line.
18842 2002-06-12 Akim Demaille <akim@epita.fr>
18844 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
18846 * tests/actions.at (Exotic Dollars): New.
18848 2002-06-12 Akim Demaille <akim@epita.fr>
18850 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
18852 * tests/input.at (Torturing the Scanner): New.
18854 2002-06-11 Akim Demaille <akim@epita.fr>
18856 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
18857 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
18858 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
18859 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
18860 * src/reader.c (reader): Use it.
18862 2002-06-11 Akim Demaille <akim@epita.fr>
18864 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
18865 Adjust all callers.
18866 (scanner_last_string_free): New.
18868 2002-06-11 Akim Demaille <akim@epita.fr>
18870 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
18871 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
18872 (last_string, YY_OBS_FREE): New.
18873 Use them when returning an ID.
18875 2002-06-11 Akim Demaille <akim@epita.fr>
18877 Have Bison grammars parsed by a Bison grammar.
18879 * src/reader.c, src/reader.h (prologue_augment): New.
18880 * src/reader.c (copy_definition): Remove.
18882 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
18883 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
18884 (grammar_current_rule_prec_set, grammar_current_rule_check)
18885 (grammar_current_rule_symbol_append)
18886 (grammar_current_rule_action_append): Export.
18887 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
18888 (symbol_list_action_append): Remove.
18889 Hook the routines from reader.
18890 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
18891 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
18893 * src/reader.c (read_declarations): Remove, unused.
18895 * src/parse-gram.y: Handle the epilogue.
18896 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
18897 (grammar_start_symbol_set): this.
18898 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
18899 * src/reader.c (readgram): Remove, unused.
18900 (reader): Adjust to insert eoftoken and axiom where appropriate.
18902 * src/reader.c (copy_dollar): Replace with...
18903 * src/scan-gram.h (handle_dollar): this.
18904 * src/parse-gram.y: Remove `%thong'.
18906 * src/reader.c (copy_at): Replace with...
18907 * src/scan-gram.h (handle_at): this.
18909 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
18912 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
18915 * src/reader.h, src/reader.c (grammar_rule_end): New.
18917 * src/parse.y (current_type, current_class): New.
18918 Implement `%nterm', `%token' support.
18919 Merge `%term' into `%token'.
18920 (string_as_id): New.
18921 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
18924 * src/parse-gram.y: Be sure to handle properly the beginning of
18927 * src/parse-gram.y: Handle %type.
18928 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
18930 * src/parse-gram.y: More directives support.
18931 * src/options.c: No longer handle source directives.
18933 * src/parse-gram.y: Fix %output.
18935 * src/parse-gram.y: Handle %union.
18936 Use the prologue locations.
18937 * src/reader.c (parse_union_decl): Remove.
18939 * src/reader.h, src/reader.c (epilogue_set): New.
18940 * src/parse-gram.y: Use it.
18942 * data/bison.simple, data/bison.c++: b4_stype is now either not
18943 defined, then default to int, or to the contents of %union,
18944 without `union' itself.
18946 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
18948 * src/output.c (actions_output): Don't output braces, as they are
18949 already handled by the scanner.
18951 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
18952 characters to themselves.
18954 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
18955 that the epilogue has a proper #line.
18957 * src/parse-gram.y: Handle precedence/associativity.
18959 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
18961 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
18962 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
18963 at all to define terminals that cannot be emitted.
18965 * src/scan-gram.l: Escape M4 characters.
18967 * src/scan-gram.l: Working properly with escapes in user
18968 strings/characters.
18970 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
18971 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
18973 Use more modest sizes, as for the time being the parser does not
18974 release memory, and therefore the process swallows a huge amount
18977 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
18978 stricter %token grammar.
18980 * src/symtab.h (associativity): Add `undef_assoc'.
18981 (symbol_precedence_set): Do nothing when passed an undef_assoc.
18982 * src/symtab.c (symbol_check_alias_consistence): Adjust.
18984 * tests/regression.at (Invalid %directive): Remove, as it is now
18986 (Invalid inputs): Adjust to the new error messages.
18987 (Token definitions): The new grammar doesn't allow too many
18990 * src/lex.h, src/lex.c: Remove.
18991 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
18992 (copy_character, copy_string2, copy_string, copy_identifier)
18993 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
18994 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
18995 (parse_action): Remove.
18996 * po/POTFILES.in: Adjust.
18998 2002-06-11 Akim Demaille <akim@epita.fr>
19000 * src/reader.c (parse_action): Don't store directly into the
19001 rule's action member: return the action as a string.
19002 Don't require `rule_length' as an argument: compute it.
19003 (grammar_current_rule_symbol_append)
19004 (grammar_current_rule_action_append): New, eved out from
19006 Remove `action_flag', `rulelength', unused now.
19008 2002-06-11 Akim Demaille <akim@epita.fr>
19010 * src/reader.c (grammar_current_rule_prec_set).
19011 (grammar_current_rule_check): New, eved out from...
19013 Remove `xaction', `first_rhs': useless.
19014 * tests/input.at (Type clashes): New.
19015 * tests/existing.at (GNU Cim Grammar): Adjust.
19017 2002-06-11 Akim Demaille <akim@epita.fr>
19019 * src/reader.c (grammar_midrule_action): New, Eved out from
19022 2002-06-11 Akim Demaille <akim@epita.fr>
19024 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
19026 (readgram): Use them as replacement of inlined code, crule and
19029 2002-06-11 Akim Demaille <akim@epita.fr>
19031 * src/reader.c (grammar_end, grammar_symbol_append): New.
19032 (readgram): Use them.
19033 Make the use of `p' as local as possible.
19035 2002-06-10 Akim Demaille <akim@epita.fr>
19037 GCJ's parser requires the tokens to be defined before the prologue.
19039 * data/bison.simple: Output the token definition before the user's
19041 * tests/regression.at (Braces parsing, Duplicate string)
19042 (Mixing %token styles): Check the output from bison.
19043 (Early token definitions): New.
19045 2002-06-10 Akim Demaille <akim@epita.fr>
19047 * src/symtab.c (symbol_user_token_number_set): Don't complain when
19048 assigning twice the same user number to a token, so that we can
19050 * src/lex.c (lex): here.
19051 Also use `symbol_class_set' instead of hand written code.
19052 * src/reader.c (parse_assoc_decl): Likewise.
19054 2002-06-10 Akim Demaille <akim@epita.fr>
19056 * src/symtab.c, src/symtab.c (symbol_class_set)
19057 (symbol_user_token_number_set): New.
19058 * src/reader.c (parse_token_decl): Use them.
19059 Use a switch instead of ifs.
19060 Use a single argument.
19062 2002-06-10 Akim Demaille <akim@epita.fr>
19064 Remove `%thong' support as it is undocumented, unused, duplicates
19065 `%token's job, and creates useless e-mail traffic with people who
19066 want to know what it is, why it is undocumented, unused, and
19067 duplicates `%token's job.
19069 * src/reader.c (parse_thong_decl): Remove.
19070 * src/options.c (option_table): Remove "thong".
19071 * src/lex.h (tok_thong): Remove.
19073 2002-06-10 Akim Demaille <akim@epita.fr>
19075 * src/symtab.c, src/symtab.c (symbol_type_set)
19076 (symbol_precedence_set): New.
19077 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
19078 (value_components_used): Remove, unused.
19080 2002-06-09 Akim Demaille <akim@epita.fr>
19082 Move symbols handling code out of the reader.
19084 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
19085 (axiom): Move to...
19086 * src/symtab.h, src/symtab.c: here.
19088 * src/gram.c (start_symbol): Remove: use startsymbol->number.
19089 * src/reader.c (startval): Rename as...
19090 * src/symtab.h, src/symtab.c (startsymbol): this.
19091 * src/reader.c: Adjust.
19093 * src/reader.c (symbol_check_defined, symbol_make_alias)
19094 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
19095 (token_translations_init)
19097 * src/symtab.c: here.
19098 * src/reader.c (packsymbols): Move to...
19099 * src/symtab.h, src/symtab.c (symbols_pack): here.
19100 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
19103 2002-06-03 Akim Demaille <akim@epita.fr>
19105 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
19108 2002-06-03 Akim Demaille <akim@epita.fr>
19110 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
19111 structs with non literals.
19112 * src/scan-skel.l: never-interactive.
19113 * src/conflicts.c (enum conflict_resolution_e): No trailing
19115 * src/getargs.c (usage): Split long literal strings.
19116 Reported by Hans Aberg.
19118 2002-05-28 Akim Demaille <akim@epita.fr>
19120 * data/bison.c++: Use C++ ostreams.
19121 (cdebug_): New member.
19123 2002-05-28 Akim Demaille <akim@epita.fr>
19125 * src/output.c (output_skeleton): Be sure to allocate enough room
19126 for `/' _and_ for `\0' in full_skeleton.
19128 2002-05-28 Akim Demaille <akim@epita.fr>
19130 * data/bison.c++: Catch up with bison.simple:
19131 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19132 and Paul Eggert <eggert@twinsun.com>: `error' handing.
19133 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
19134 and popping traces.
19136 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19138 * src/output.c (output_skeleton): Put an explicit path in front of
19139 the skeleton file name, rather than relying on the -I directory,
19140 to partially alleviate effects of having a skeleton file lying around
19141 in the current directory.
19143 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19145 * src/conflicts.c (log_resolution): Correct typo:
19146 obstack_printf should be obstack_fgrow1.
19148 2002-05-26 Akim Demaille <akim@epita.fr>
19150 * src/state.h (state_t): `solved_conflicts' is a new member.
19151 * src/LR0.c (new_state): Set it to 0.
19152 * src/conflicts.h, src/conflicts.c (print_conflicts)
19153 (free_conflicts, solve_conflicts): Rename as...
19154 (conflicts_print, conflicts_free, conflicts_solve): these.
19156 * src/conflicts.c (enum conflict_resolution_e)
19157 (solved_conflicts_obstack): New, used by...
19158 (log_resolution): this.
19159 Adjust to attach the conflict resolution to each state.
19160 Complete the description with the precedence/associativity
19162 (resolve_sr_conflict): Adjust.
19163 * src/print.c (print_state): Output its solved_conflicts.
19164 * tests/conflicts.at (Unresolved SR Conflicts)
19165 (Solved SR Conflicts): Exercise --report=all.
19167 2002-05-26 Akim Demaille <akim@epita.fr>
19169 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
19170 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
19171 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
19172 (token_number_t, item_number_as_token_number)
19173 (token_number_as_item_number, muscle_insert_token_number_table):
19175 (symbol_number_t, item_number_as_symbol_number)
19176 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
19177 these, since it is more appropriate.
19179 2002-05-26 Akim Demaille <akim@epita.fr>
19181 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
19183 * data/bison.simple (yystos) [YYDEBUG]: New.
19184 (yyparse) [YYDEBUG]: Display the symbols which are popped during
19186 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
19188 2002-05-25 Akim Demaille <akim@epita.fr>
19190 * doc/bison.texinfo (Debugging): Split into...
19191 (Tracing): this new section, its former contents, and...
19192 (Understanding): this new section.
19193 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
19195 (report_flag): this.
19196 Adjust all dependencies.
19197 (report_args, report_types, report_argmatch): New.
19198 (usage, getargs): Report/support -r, --report.
19200 (struct option_table_struct): Rename as..,
19201 (struct option_table_s): this.
19202 Rename the `set_flag' member to `flag' to match with getopt_long's
19204 * src/options.c (option_table): Split verbose into an entry for
19205 %verbose, and another for --verbose.
19206 Support --report/-r, so remove -r from the obsolete --raw.
19207 * src/print.c: Attach full item sets and lookaheads reports to
19208 report_flag instead of trace_flag.
19209 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
19211 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19212 and Paul Eggert <eggert@twinsun.com>
19214 * data/bison.simple (yyparse): Correct error handling to conform to
19215 POSIX and yacc. Specifically, after syntax error is discovered,
19216 do not reduce further before shifting the error token.
19217 Clean up the code a bit by removing the labels yyerrdefault,
19218 yyerrhandle, yyerrpop.
19219 * NEWS: Document the above.
19221 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19223 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
19224 type; it isn't always big enough, since it doesn't necessarily
19225 include non-terminals.
19226 (yytranslate): Expand definition of yy_token_number_type, so that
19227 the latter can be removed.
19228 (yy_token_number_type): Remove, only one use.
19229 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
19230 don't use TokenNumberType as element type.
19232 * tests/regression.at: Modify expected output to agree with change
19233 to yyr1 and yytranslate.
19235 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
19237 * src/reader.c (parse_action): Use copy_character instead of
19240 2002-05-13 Akim Demaille <akim@epita.fr>
19242 * tests/regression.at (Token definitions): Prototype yylex and
19245 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
19247 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
19248 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
19250 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
19252 2002-05-07 Akim Demaille <akim@epita.fr>
19254 * tests/synclines.at: Be sure to prototype yylex and yyerror to
19255 avoid GCC warnings.
19257 2002-05-07 Akim Demaille <akim@epita.fr>
19261 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
19262 over the RHS of each rule.
19263 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
19264 * src/state.h (state_t): Member `nitems' is unsigned short.
19265 * src/LR0.c (get_state): Adjust.
19266 * src/reader.c (packgram): Likewise.
19267 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
19269 (muscle_insert_int_table): Remove, unused.
19270 (prepare_rules): Remove `max'.
19272 2002-05-06 Akim Demaille <akim@epita.fr>
19274 * src/closure.c (print_firsts): Display of the symbol tags.
19275 (bitmatrix_print): Move to...
19276 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
19278 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
19280 2002-05-06 Akim Demaille <akim@epita.fr>
19282 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
19285 2002-05-06 Akim Demaille <akim@epita.fr>
19287 * src/LR0.c (new_state, get_state): Instead of using the global
19288 `kernel_size' and `kernel_base', have two new arguments:
19289 `core_size' and `core'.
19292 2002-05-06 Akim Demaille <akim@epita.fr>
19294 * src/reader.c (packgram): No longer end `ritem' with a 0
19295 sentinel: it is not used.
19297 2002-05-05 Akim Demaille <akim@epita.fr>
19299 New experimental feature: display the lookaheads in the report and
19302 * src/print (print_core): When --trace-flag, display the rules
19304 * src/print_graph.c (print_core): Likewise.
19305 Swap the arguments.
19308 2002-05-05 Akim Demaille <akim@epita.fr>
19310 * tests/torture.at (Many lookaheads): New test.
19312 2002-05-05 Akim Demaille <akim@epita.fr>
19314 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
19315 (GENERATE_MUSCLE_INSERT_TABLE): this.
19316 (output_int_table, output_unsigned_int_table, output_short_table)
19317 (output_token_number_table, output_item_number_table): Replace with...
19318 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
19319 (muscle_insert_short_table, muscle_insert_token_number_table)
19320 (muscle_insert_item_number_table): these.
19321 Adjust all callers.
19322 (prepare_tokens): Don't free `translations', since...
19323 * src/reader.h, src/reader.c (grammar_free): do it.
19325 * src/gram.h, src/gram.c (grammar_free): here.
19326 * data/bison.simple, data/bison.c++: b4_token_number_max is now
19329 2002-05-05 Akim Demaille <akim@epita.fr>
19331 * src/output.c (output_unsigned_int_table): New.
19332 (prepare_rules): `i' is unsigned.
19333 `prhs', `rline', `r2' are unsigned int.
19334 Rename muscle `rhs_number_max' as `rhs_max'.
19335 Output muscles `prhs_max', `rline_max', and `r2_max'.
19337 * data/bison.simple, data/bison.c++: Adjust to use these muscles
19338 to compute types instead of constant types.
19339 * tests/regression.at (Web2c Actions): Adjust.
19341 2002-05-04 Akim Demaille <akim@epita.fr>
19343 * src/symtab.h (SALIAS, SUNDEF): Rename as...
19344 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
19345 Adjust dependencies.
19346 * src/output.c (token_definitions_output): Be sure not to output a
19347 `#define 'a'' when fed with `%token 'a' "a"'.
19348 * tests/regression.at (Token definitions): New.
19350 2002-05-03 Paul Eggert <eggert@twinsun.com>
19352 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
19355 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
19357 * Makefile.am (SUBDIRS): Remove intl.
19358 (EXTRA_DIST): Add config/config.rpath.
19360 2002-05-03 Akim Demaille <akim@epita.fr>
19362 * data/bison.simple (m4_if): Don't output empty enums.
19363 And actually, output valid enum definitions :(.
19365 2002-05-03 Akim Demaille <akim@epita.fr>
19367 * configure.bat: Remove, completely obsolete.
19368 * Makefile.am (EXTRA_DIST): Adjust.
19369 Don't distribute config.rpath...
19370 * config/Makefile.am (EXTRA_DIST): Do it.
19372 2002-05-03 Akim Demaille <akim@epita.fr>
19374 * configure.in (GETTEXT_VERSION): New.
19375 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
19377 2002-05-03 Akim Demaille <akim@epita.fr>
19379 * data/bison.simple (b4_token_enum): New.
19380 (b4_token_defines): Use it to output tokens both as #define and
19382 Suggested by Paul Eggert.
19383 * src/output.c (token_definitions_output): Don't output spurious
19386 2002-05-03 Akim Demaille <akim@epita.fr>
19388 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
19390 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
19392 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
19393 Update the stack class, give a try to deque as the default container.
19395 2002-05-02 Akim Demaille <akim@epita.fr>
19397 * data/bison.simple (yyparse): Do not implement @$ = @1.
19398 (YYLLOC_DEFAULT): Adjust to do it.
19399 * doc/bison.texinfo (Location Default Action): Fix.
19401 2002-05-02 Akim Demaille <akim@epita.fr>
19403 * src/reader.c (parse_braces): Merge into...
19404 (parse_action): this.
19406 2002-05-02 Akim Demaille <akim@epita.fr>
19408 * configure.in (ALL_LINGUAS): Remove.
19409 * po/LINGUAS, hr.po: New.
19411 2002-05-02 Akim Demaille <akim@epita.fr>
19413 Remove the so called hairy (semantic) parsers.
19415 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
19416 * src/gram.h, src/gram.c (semantic_parser): Remove.
19417 (rule_t): Remove the guard and guard_line members.
19418 * src/lex.h (token_t): remove tok_guard.
19419 * src/options.c (option_table): Remove %guard and %semantic_parser
19421 * src/output.c, src/output.h (guards_output): Remove.
19423 (token_definitions_output): Don't output the `T'
19425 (output_skeleton): Don't output the guards.
19426 * src/files.c, src/files.c (attrsfile): Remove.
19427 * src/reader.c (symbol_list): Remove the guard and guard_line
19429 Adjust dependencies.
19430 (parse_guard): Remove.
19431 * data/bison.hairy: Remove.
19432 * doc/bison.texinfo (Environment Variables): Remove occurrences of
19435 2002-05-02 Akim Demaille <akim@epita.fr>
19437 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
19438 (parse_guard): Rename the formal argument `stack_offset' as
19439 `rule_length', which is more readable.
19441 (copy_at, copy_dollar): Instead of outputting the hard coded
19442 values of $$, $n and so forth, output invocation to b4_lhs_value,
19443 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
19444 Note: this patch partially drops `semantic-parser' support: it
19445 always does `rule_length - n', where semantic parsers ought to
19447 * data/bison.simple, data/bison.c++ (b4_lhs_value)
19448 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
19450 2002-05-02 Akim Demaille <akim@epita.fr>
19452 * configure.in (AC_INIT): Bump to 1.49b.
19453 (AM_INIT_AUTOMAKE): Short invocation.
19455 2002-05-02 Akim Demaille <akim@epita.fr>
19459 2002-05-01 Akim Demaille <akim@epita.fr>
19461 * src/skeleton.h: Remove.
19463 2002-05-01 Akim Demaille <akim@epita.fr>
19465 * src/skeleton.h: Fix the #endif.
19466 Reported by Magnus Fromreide.
19468 2002-04-26 Paul Eggert <eggert@twinsun.com>
19470 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
19471 Define if we define YYSTYPE and YYLTYPE, respectively.
19472 (YYCOPY): Fix [] quoting problem in the non-GCC case.
19474 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
19476 * src/scan-skel.l: Postprocess quadrigraphs.
19478 * src/reader.c (copy_character): New function, used to output
19479 single characters while replacing `[' and `]' with quadrigraphs, to
19480 avoid troubles with M4 quotes.
19481 (copy_comment): Output characters with copy_character.
19482 (read_additionnal_code): Likewise.
19483 (copy_string2): Likewise.
19484 (copy_definition): Likewise.
19486 * tests/calc.at: Exercise M4 quoting.
19488 2002-04-25 Akim Demaille <akim@epita.fr>
19490 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
19491 between `!' and the command.
19492 Reported by Paul Eggert.
19494 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
19496 * tests/calc.at: Exercise prologue splitting.
19498 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
19499 `b4_post_prologue' instead of `b4_prologue'.
19501 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
19503 (output): Free pre_prologue_obstack and post_prologue_obstack.
19504 * src/files.h, src/files.c (attrs_obstack): Remove.
19505 (pre_prologue_obstack, post_prologue_obstack): New.
19506 * src/reader.c (copy_definition): Add a parameter to specify the
19507 obstack to fill, instead of using attrs_obstack unconditionally.
19508 (read_declarations): Pass pre_prologue_obstack to copy_definition if
19509 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
19511 2002-04-23 Paul Eggert <eggert@twinsun.com>
19513 * data/bison.simple: Remove unnecessary commentary and white
19514 space differences from 1_29-branch.
19515 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
19517 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
19518 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
19519 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
19520 constructors or destructors.
19522 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
19524 2002-04-23 Akim Demaille <akim@epita.fr>
19526 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
19527 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
19528 location with columns.
19529 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
19530 All reported by Paul Eggert.
19532 2002-04-22 Akim Demaille <akim@epita.fr>
19534 * src/reduce.c (dump_grammar): Move to...
19535 * src/gram.h, src/gram.c (grammar_dump): here.
19536 Be sure to separate long item numbers.
19537 Don't read the members of a rule's prec if its nil.
19539 2002-04-22 Akim Demaille <akim@epita.fr>
19541 * src/output.c (table_size, table_grow): New.
19542 (MAXTABLE): Remove, replace uses with table_size.
19543 (pack_vector): Instead of dying when the table is too big, grow it.
19545 2002-04-22 Akim Demaille <akim@epita.fr>
19547 * data/bison.simple (yyr1): Its type is that of a token number.
19548 * data/bison.c++ (r1_): Likewise.
19549 * tests/regression.at (Web2c Actions): Adjust.
19551 2002-04-22 Akim Demaille <akim@epita.fr>
19553 * src/reader.c (token_translations_init): 256 is now the default
19554 value for the error token, i.e., it will be assigned another
19555 number if the user assigned 256 to one of her tokens.
19556 (reader): Don't force 256 to error.
19557 * doc/bison.texinfo (Symbols): Adjust.
19558 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
19559 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
19560 etc. instead of 10, 20, 30 (which was used to `jump' over error
19561 (256) and undefined (2)).
19563 2002-04-22 Akim Demaille <akim@epita.fr>
19565 Propagate more token_number_t.
19567 * src/gram.h (token_number_as_item_number)
19568 (item_number_as_token_number): New.
19569 * src/output.c (GENERATE_OUTPUT_TABLE): New.
19570 Use it to create output_item_number_table and
19571 output_token_number_table.
19572 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
19573 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
19574 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
19575 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
19577 2002-04-22 Akim Demaille <akim@epita.fr>
19579 * src/output.h, src/output.c (get_lines_number): Remove.
19581 2002-04-19 Akim Demaille <akim@epita.fr>
19583 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
19585 (Debugging): More details about enabling the debugging features.
19586 (Table of Symbols): Describe $$, $n, @$, and @n.
19587 Suggested by Tim Josling.
19589 2002-04-19 Akim Demaille <akim@epita.fr>
19591 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
19593 2002-04-10 Akim Demaille <akim@epita.fr>
19595 * src/system.h: Rely on HAVE_LIMITS_H.
19596 Suggested by Paul Eggert.
19598 2002-04-09 Akim Demaille <akim@epita.fr>
19600 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
19601 full stderr, and strip it according to the bison options, instead
19602 of composing the error message from different bits.
19603 This makes it easier to check for several error messages.
19604 Adjust all the invocations.
19605 Add an invocation exercising the error token.
19606 Add an invocation demonstrating a stupid error message.
19607 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
19609 Error message are for stderr, not stdout.
19611 2002-04-09 Akim Demaille <akim@epita.fr>
19613 * src/gram.h, src/gram.c (error_token_number): Remove, use
19615 * src/reader.c (reader): Don't specify the user token number (2)
19616 for $undefined, as it uselessly prevents using it.
19617 * src/gram.h (token_number_t): Move to...
19618 * src/symtab.h: here.
19619 (state_t.number): Is a token_number_t.
19620 * src/print.c, src/reader.c: Use undeftoken->number instead of
19622 (Even though this 2 is not the same as above: the number of the
19623 undeftoken remains being 2, it is its user token number which
19625 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
19626 `user_token_number_max'.
19627 Output `undef_token_number'.
19628 * data/bison.simple, data/bison.c++: Use them.
19629 Be sure to map invalid yylex return values to
19630 `undef_token_number'. This saves us from gratuitous SEGV.
19632 * tests/conflicts.at (Solved SR Conflicts)
19633 (Unresolved SR Conflicts): Adjust.
19634 * tests/regression.at (Web2c Actions): Adjust.
19636 2002-04-08 Akim Demaille <akim@epita.fr>
19638 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
19640 Remove the duplicate `typedefs'.
19641 (RhsNumberType): Fix the declaration and various other typos.
19643 * data/bison.simple: Use __ofile__.
19644 * src/scan-skel.l: Handle __ofile__.
19646 2002-04-08 Akim Demaille <akim@epita.fr>
19648 * src/gram.h (item_number_t): New, the type of item numbers in
19649 RITEM. Note that it must be able to code symbol numbers as
19650 positive number, and the negation of rule numbers as negative
19652 Adjust all dependencies (pretty many).
19653 * src/reduce.c (rule): Remove this `short *' pointer: use
19655 * src/system.h (MINSHORT, MAXSHORT): Remove.
19656 Include `limits.h'.
19657 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
19658 (shortcpy): Remove.
19659 (MAXTABLE): Move to...
19660 * src/output.c (MAXTABLE): here.
19661 (prepare_rules): Use output_int_table to output rhs.
19662 * data/bison.simple, data/bison.c++: Adjust.
19663 * tests/torture.at (Big triangle): Move the limit from 254 to
19665 * tests/regression.at (Web2c Actions): Ajust.
19667 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
19668 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
19669 passes, but produces negative #line number, once fixed, GCC is
19670 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
19672 * src/state.h (state_h): Code input lines on ints, not shorts.
19674 2002-04-08 Akim Demaille <akim@epita.fr>
19676 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
19677 and then the grammar.
19679 2002-04-08 Akim Demaille <akim@epita.fr>
19681 * src/system.h: No longer using strndup.
19683 2002-04-07 Akim Demaille <akim@epita.fr>
19685 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
19686 * src/output.c (output_table_data): Return the longest number.
19687 (prepare_tokens): Output `token_number_max').
19688 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
19690 Use them to define yy_token_number_type/TokenNumberType.
19691 Use this type for yytranslate.
19692 * tests/torture.at (Big triangle): Push the limit from 124 to
19694 * tests/regression.at (Web2c Actions): Adjust.
19696 2002-04-07 Akim Demaille <akim@epita.fr>
19698 * tests/torture.at (Big triangle): New.
19699 (GNU AWK Grammar, GNU Cim Grammar): Move to...
19700 * tests/existing.at: here.
19702 2002-04-07 Akim Demaille <akim@epita.fr>
19704 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
19706 Adjust dependencies.
19708 2002-04-07 Akim Demaille <akim@epita.fr>
19710 * src/reader.c: Normalize increments to prefix form.
19712 2002-04-07 Akim Demaille <akim@epita.fr>
19714 * src/reader.c, symtab.c: Remove debugging code.
19716 2002-04-07 Akim Demaille <akim@epita.fr>
19718 Rename all the `bucket's as `symbol_t'.
19720 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
19721 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
19722 * src/symtab.c, src/symtab.h (bucket): Rename as...
19724 (symbol_list_new, bucket_check_defined, bucket_make_alias)
19725 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
19726 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
19727 (buckets_new, buckets_free, buckets_do): Rename as...
19728 (symbol_list_new, symbol_check_defined, symbol_make_alias)
19729 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
19730 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
19731 (symbols_new, symbols_free, symbols_do): these.
19733 2002-04-07 Akim Demaille <akim@epita.fr>
19735 Use lib/hash for the symbol table.
19737 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
19739 * src/lex.c (lex): Set the `number' member of new terminals.
19740 * src/reader.c (bucket_check_defined, bucket_make_alias)
19741 (bucket_check_alias_consistence, bucket_translation): New.
19742 (reader, grammar_free, readgram, token_translations_init)
19743 (packsymbols): Adjust.
19744 (reader): Number the predefined tokens.
19745 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
19746 for predefined tokens.
19747 * src/symtab.h (bucket): Remove all the hash table related
19749 * src/symtab.c (symtab): Replace by...
19750 (bucket_table): this.
19751 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
19752 (buckets_new, buckets_do): New.
19754 2002-04-07 Akim Demaille <akim@epita.fr>
19756 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
19757 (start_symbol, max_user_token_number, semantic_parser)
19758 (error_token_number): Initialize.
19759 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
19762 (errtoken, eoftoken, undeftoken, axiom): Extern.
19764 2002-04-07 Akim Demaille <akim@epita.fr>
19766 * src/gram.h (rule_s): prec and precsym are now pointers
19767 to the bucket giving the priority/associativity.
19768 Member `associativity' removed: useless.
19769 * src/reduce.c, src/conflicts.c: Adjust.
19771 2002-04-07 Akim Demaille <akim@epita.fr>
19773 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
19774 Properly escape the symbols' TAG when outputting them.
19776 2002-04-07 Akim Demaille <akim@epita.fr>
19778 * src/lalr.h (LA): Is a bitsetv, not bitset*.
19780 2002-04-07 Akim Demaille <akim@epita.fr>
19782 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
19783 (LArule): this, which is an array to rule_t*.
19784 * src/print.c, src/conflicts.c: Adjust.
19786 2002-04-07 Akim Demaille <akim@epita.fr>
19788 * src/gram.h (rule_t): Rename `number' as `user_number'.
19789 `number' is a new member.
19790 Adjust dependencies.
19791 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
19793 2002-04-07 Akim Demaille <akim@epita.fr>
19795 As a result of the previous patch, it is no longer needed
19796 to reorder ritem itself.
19798 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
19800 2002-04-07 Akim Demaille <akim@epita.fr>
19802 Be sure never to walk through RITEMS, but use only data related to
19803 the rules themselves. RITEMS should be banished.
19805 * src/output.c (output_token_translations): Rename as...
19806 (prepare_tokens): this.
19807 In addition to `translate', prepare the muscles `tname' and
19808 `toknum', which were handled by...
19809 (output_rule_data): this.
19810 Remove, and move the remainder of its outputs into...
19811 (prepare_rules): this new routines, which also merges content from
19812 (output_gram): this.
19813 (prepare_rules): Be sure never to walk through RITEMS.
19814 (output_stos): Rename as...
19815 (prepare_stos): this.
19816 (output): Always invoke prepare_states, after all, just don't use it
19817 in the output if you don't need it.
19819 2002-04-07 Akim Demaille <akim@epita.fr>
19821 * src/LR0.c (new_state): Display `nstates' as the name of the
19822 newly created state.
19823 Adjust to initialize first_state and last_state if needed.
19824 Be sure to distinguish the initial from the final state.
19825 (new_states): Create the itemset of the initial state, and use
19827 * src/closure.c (closure): Now that the initial state has its
19828 items properly set, there is no need for a special case when
19829 creating `ruleset'.
19831 As a result, now the rule 0, reducing to $axiom, is visible in the
19832 outputs. Adjust the test suite.
19834 * tests/conflicts.at (Solved SR Conflicts)
19835 (Unresolved SR Conflicts): Adjust.
19836 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
19837 * tests/conflicts.at (S/R in initial): New.
19839 2002-04-07 Akim Demaille <akim@epita.fr>
19841 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
19842 the RHS of the rules.
19843 * src/output.c (output_gram): Likewise.
19845 2002-04-07 Akim Demaille <akim@epita.fr>
19847 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
19849 Adjust all dependencies.
19850 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
19851 `number' of the buckets too.
19852 * src/gram.h: Include `symtab.h'.
19853 (associativity): Move to...
19854 * src/symtab.h: here.
19855 No longer include `gram.h'.
19857 2002-04-07 Akim Demaille <akim@epita.fr>
19859 * src/gram.h, src/gram.c (rules_rhs_length): New.
19860 (ritem_longest_rhs): Use it.
19861 * src/gram.h (rule_t): `number' is a new member.
19862 * src/reader.c (packgram): Set it.
19863 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
19864 the end of `rules', and count them out of `nrules'.
19865 (reduce_output, dump_grammar): Adjust.
19866 * src/print.c (print_grammar): It is no longer needed to check for
19867 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
19868 * tests/reduce.at (Reduced Automaton): New test.
19870 2002-04-07 Akim Demaille <akim@epita.fr>
19872 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
19873 lacking `+ 1' to nrules, Bison reported as useless a token if it
19874 was used solely to set the precedence of the last rule...
19876 2002-04-07 Akim Demaille <akim@epita.fr>
19878 * data/bison.c++, data/bison.simple: Don't output the current file
19879 name in #line, to avoid useless diffs between two identical
19880 outputs under different names.
19882 2002-04-07 Akim Demaille <akim@epita.fr>
19884 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
19885 Normalize loops to using `< nrules + 1', not `<= nrules'.
19887 2002-04-07 Akim Demaille <akim@epita.fr>
19891 2002-04-07 Akim Demaille <akim@epita.fr>
19893 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
19894 bucket.value as bucket.number.
19896 2002-04-07 Akim Demaille <akim@epita.fr>
19898 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
19899 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
19900 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
19901 RHS, instead of being an index in RITEMS.
19903 2002-04-04 Paul Eggert <eggert@twinsun.com>
19905 * doc/bison.texinfo: Update copyright date.
19906 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
19907 (Symbols): Warn about running Bison in one character set,
19908 but compiling and/or running in an incompatible one.
19909 Warn about character code 256, too.
19911 2002-04-03 Paul Eggert <eggert@twinsun.com>
19913 * src/bison.data (YYSTACK_ALLOC): Depend on whether
19914 YYERROR_VERBOSE is nonzero, not whether it is defined.
19916 Merge changes from bison-1_29-branch.
19918 2002-03-20 Paul Eggert <eggert@twinsun.com>
19920 Merge fixes from Debian bison_1.34-1.diff.
19922 * configure.in (AC_PREREQ): 2.53.
19924 2002-03-20 Akim Demaille <akim@epita.fr>
19926 * src/conflicts.c (log_resolution): Argument `resolution' is const.
19928 2002-03-19 Paul Eggert <eggert@twinsun.com>
19930 * src/bison.simple (YYCOPY): New macro.
19931 (YYSTACK_RELOCATE): Use it.
19932 Remove Type arg; no longer needed. All callers changed.
19933 (yymemcpy): Remove; no longer needed.
19935 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
19936 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
19938 2002-03-19 Akim Demaille <akim@epita.fr>
19940 Test and fix the #line outputs.
19942 * tests/atlocal.at (GCC): New.
19943 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
19944 (Prologue synch line, %union synch line, Postprologue synch line)
19945 (Action synch line, Epilogue synch line): New tests.
19946 * src/reader.c (parse_union_decl): Define the muscle stype_line.
19947 * data/bison.simple, data/bison.c++: Use it.
19949 2002-03-19 Akim Demaille <akim@epita.fr>
19951 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
19952 (Solved SR Conflicts, %expect not enough, %expect right)
19953 (%expect too much): Move to...
19954 * tests/conflicts.at: this new file.
19956 2002-03-19 Akim Demaille <akim@epita.fr>
19958 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
19959 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
19960 that we can move to enums for instance.
19961 * src/output.c (token_definitions_output): Output a list of
19962 `token-name, token-number' instead of the #define.
19963 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
19965 2002-03-14 Akim Demaille <akim@epita.fr>
19967 Use Gettext 0.11.1.
19969 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
19971 * data/bison.c++: Make the user able to add members to the generated
19972 parser by subclassing.
19974 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
19976 * src/reader.c (read_additionnal_code): `c' should be an integer, not
19978 Reported by Nicolas Tisserand and Nicolas Burrus.
19980 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
19982 * src/reader.c: Warn about lacking semi-colons, do not complain.
19984 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
19986 * data/bison.c++: Remove a debug line.
19988 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
19990 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
19991 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
19992 provide a default implementation.
19994 2002-03-04 Akim Demaille <akim@epita.fr>
19996 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
19997 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
19998 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
19999 * tests/semantic.at (Parsing Guards): Similarly.
20000 * src/reader.at (readgram): Complain if the last rule is not ended
20003 2002-03-04 Akim Demaille <akim@epita.fr>
20005 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
20006 * src/closure.c: here.
20007 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
20009 * src/warshall.h, src/warshall.c: Remove.
20010 * tests/sets.at (Broken Closure): Adjust.
20012 2002-03-04 Akim Demaille <akim@epita.fr>
20014 * src/output.c (output_skeleton): tempdir is const.
20015 bytes_read is unused.
20017 2002-03-04 Akim Demaille <akim@epita.fr>
20019 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
20020 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
20022 From Michael Hayes.
20024 2002-03-04 Akim Demaille <akim@epita.fr>
20026 * src/closure.c (closure): `r' is unused.
20028 2002-03-04 Akim Demaille <akim@epita.fr>
20030 * tests/sets.at (Broken Closure): Add the ending `;'.
20031 * src/reader.at (readgram): Complain if a rule is not ended with a
20034 2002-03-04 Akim Demaille <akim@epita.fr>
20036 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
20037 (count_sr_conflicts): Use bitset_count.
20038 * src/reduce.c (inaccessable_symbols): Ditto.
20039 (bits_size): Remove.
20040 * src/warshall.h, src/warshall.c: Convert to bitsetv.
20042 2002-03-04 Akim Demaille <akim@epita.fr>
20044 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
20045 * src/reduce.c: Remove the `bitset_zero's following the
20046 `bitset_create's, as now it is performed by the latter.
20048 2002-03-04 Akim Demaille <akim@epita.fr>
20050 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
20051 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
20052 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
20053 latest sources from Michael.
20055 2002-03-04 Akim Demaille <akim@epita.fr>
20057 * src/output.c (output): Don't free the grammar.
20058 * src/reader.c (grammar_free): New.
20059 * src/main.c (main): Call it and don't free symtab here.
20061 2002-03-04 Akim Demaille <akim@epita.fr>
20063 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
20065 Reported by Benoit Perrot.
20067 2002-03-04 Akim Demaille <akim@epita.fr>
20069 Use bitset operations when possible, not loops over bits.
20071 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
20073 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
20074 * src/reduce.c (useless_nonterminals): Formatting changes.
20075 * src/warshall.c (TC): Use bitset_or.
20077 2002-03-04 Akim Demaille <akim@epita.fr>
20079 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
20080 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
20083 2002-03-04 Akim Demaille <akim@epita.fr>
20085 * src/lalr.c (F): Now a bitset*.
20086 Adjust all dependencies.
20088 2002-03-04 Akim Demaille <akim@epita.fr>
20090 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
20091 Adjust all dependencies.
20093 2002-03-04 Akim Demaille <akim@epita.fr>
20095 * src/L0.c, src/LR0.h (nstates): Be size_t.
20096 Adjust comparisons (signed vs unsigned).
20097 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
20099 Adjust all dependencies.
20101 2002-03-04 Akim Demaille <akim@epita.fr>
20103 * src/closure.c (firsts): Now, also a bitset.
20104 Adjust all dependencies.
20105 (varsetsize): Remove, now unused.
20106 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
20108 2002-03-04 Akim Demaille <akim@epita.fr>
20110 * src/print.c: Convert to use bitset.h, not hand coded iterations
20113 2002-03-04 Akim Demaille <akim@epita.fr>
20115 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
20117 2002-03-04 Akim Demaille <akim@epita.fr>
20119 * src/closure.c (ruleset): Be a bitset.
20120 (rulesetsize): Remove.
20122 2002-03-04 Akim Demaille <akim@epita.fr>
20124 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
20125 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
20126 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
20127 * src/closure.c (fderives): Be an array of bitsets.
20129 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
20131 * data/bison.c++: Merge the two generated headers. Insert a copyright
20132 notice in each output file.
20134 2002-02-28 Akim Demaille <akim@epita.fr>
20136 * data/bison.c++: Copy the prologue of bison.simple to fetch
20137 useful M4 definitions, such as b4_header_guard.
20139 2002-02-25 Akim Demaille <akim@epita.fr>
20141 * src/getargs.c (version): Give the name of the authors, and use a
20142 translator friendly scheme for the bgr
20145 2002-02-25 Akim Demaille <akim@epita.fr>
20147 * src/output.c (header_output): Remove, now handled completely via
20150 2002-02-25 Akim Demaille <akim@epita.fr>
20152 * m4/m4.m4: New, from CVS Autoconf.
20153 * configure.in: Invoke it.
20154 * src/output.c (output_skeleton): Use its result instead of the
20157 2002-02-25 Akim Demaille <akim@epita.fr>
20159 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
20161 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
20162 * src/output.c (output_skeleton): Use mkstemp to create a real
20164 Move the filling of `skeleton' and its muscle to...
20166 (output): Move the definition of the prologue muscle to...
20168 * src/system.h (DEFAULT_TMPDIR): New.
20170 2002-02-14 Paul Eggert <eggert@twinsun.com>
20172 Remove the support for C++ namespace cleanliness; it was
20173 causing more problems than it was curing, since it didn't work
20174 properly on some nonstandard C++ compilers. This can wait
20175 for a proper C++ parser.
20177 * NEWS: Document this.
20178 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
20179 of C++, as it's treated like C now.
20180 * src/bison.simple (YYSTD): Remove.
20181 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
20182 Treat C++ just like Standard C instead of trying to support
20183 namespace cleanliness.
20185 2002-02-14 Akim Demaille <akim@epita.fr>
20187 * tests/regression.at (else): Adjust to Andreas' change.
20189 2002-02-14 Akim Demaille <akim@epita.fr>
20191 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
20193 2002-02-13 Andreas Schwab <schwab@suse.de>
20195 * src/output.c (output_rule_data): Don't output NULL, it might
20196 not be defined yet.
20198 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
20200 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
20201 (Copyright notice): Update.
20203 2002-02-11 Akim Demaille <akim@epita.fr>
20205 * tests/regression.at (%nonassoc and eof): Don't include
20206 nonportable headers.
20208 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
20210 * data/bison.c++: Correct error recovery. Make the user able to
20211 initialize the starting location.
20213 2002-02-07 Akim Demaille <akim@epita.fr>
20215 * tests/input.at: New.
20217 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
20219 * data/bison.c++: Replace some direct m4 expansions by constants. Be
20220 more consistent when naming methods and variables. Put preprocessor
20221 directives around tables only needed for debugging.
20223 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
20225 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
20227 (yy::b4_name::parse): Use print_.
20229 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
20231 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
20233 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
20235 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
20237 (yy::b4_name::parse): Build verbose error messages, and use error_.
20239 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
20241 * data/bison.c++: Fix m4 quoting in comments.
20243 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
20245 * data/bison.c++: Adjust the parser code. Fix some muscles that were
20246 not expanded by m4.
20248 2002-02-05 Akim Demaille <akim@epita.fr>
20250 * data/bison.c++: Adjust to the M4 back end.
20251 More is certainly needed.
20253 2002-02-05 Akim Demaille <akim@epita.fr>
20255 Give a try to M4 as a back end.
20257 * lib/readpipe.c: New, from wdiff.
20258 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
20260 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
20261 specific values. Now it is m4 that performs the lookup.
20262 * src/parse-skel.y: Remove.
20263 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
20264 * src/output.c (actions_output, guards_output)
20265 (token_definitions_output): No longer keeps track of the output
20266 line number, hence remove the second argument.
20267 (guards_output): Check against the guard member of a rule, not the
20270 (output_skeleton): Don't look for the skeleton location, let m4 do
20272 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
20274 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
20275 (prepare): Given that for the time being changesyntax is not
20276 usable in M4, rename the muscles using `-' to `_'.
20277 Define `defines_flag', `output_parser_name' and `output_header_name'.
20278 * src/output.h (actions_output, guards_output)
20279 (token_definitions_output): Adjust prototypes.
20280 * src/scan-skel.l: Instead of scanning the skeletons, it now
20281 processes the output of m4: `__oline__' and `#output'.
20282 * data/bison.simple: Adjust to be used by M4(sugar).
20283 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
20285 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
20286 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
20287 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
20288 shamelessly stolen from CVS Autoconf.
20290 2002-02-05 Akim Demaille <akim@epita.fr>
20292 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
20293 * configure.in: Check for the declarations of free and malloc.
20294 * src/muscle_tab.c: Adjust.
20296 2002-02-05 Akim Demaille <akim@epita.fr>
20298 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
20299 which have no values.
20301 2002-02-05 Akim Demaille <akim@epita.fr>
20303 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
20306 2002-01-29 Paul Eggert <eggert@twinsun.com>
20308 * src/bison.simple (YYSIZE_T): Do not define merely because
20309 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
20310 On some platforms, <alloca.h> does not declare YYSTD (size_t).
20312 2002-01-27 Akim Demaille <akim@epita.fr>
20314 Fix `%nonassoc and eof'.
20316 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
20317 which were not properly copied! Replace
20318 memcpy (res->errs, src->errs, src->nerrs);
20320 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
20322 * tests/regression.at (%nonassoc and eof): Adjust to newest
20323 Autotest: `.' is not in the PATH.
20325 2002-01-27 Akim Demaille <akim@epita.fr>
20327 * tests/sets.at (AT_EXTRACT_SETS): New.
20328 (Nullable): Use it.
20331 2002-01-26 Akim Demaille <akim@epita.fr>
20333 * tests/actions.at, tests/calc.at, tests/headers.at,
20334 * tests/torture.at: Adjust to the newest Autotest which no longer
20335 forces `.' in the PATH.
20337 2002-01-25 Akim Demaille <akim@epita.fr>
20339 * tests/regression.at (%nonassoc and eof): New.
20340 Suggested by Robert Anisko.
20342 2002-01-24 Akim Demaille <akim@epita.fr>
20344 Bison dumps core when trying to complain about broken input files.
20345 Reported by Cris van Pelt.
20347 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
20348 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
20350 (Invalid inputs): Strengthen: exercise parse_percent_token.
20352 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
20354 * src/Makefile.am: Add bison.c++.
20355 * src/bison.c++: New skeleton.
20357 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
20361 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
20363 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
20365 2002-01-20 Marc Autret <marc@gnu.org>
20367 * src/files.c (compute_output_file_names): Fix
20369 2002-01-20 Marc Autret <marc@gnu.org>
20371 * tests/output.at: New test.
20372 * src/files.c (compute_base_names): Don't map extensions when
20373 the YACC flag is set, use defaults.
20374 Reported by Evgeny Stambulchik.
20376 2002-01-20 Marc Autret <marc@gnu.org>
20378 * src/system.h: Need to define __attribute__ away for non-GCC
20379 compilers as well (i.e., the vendor C compiler).
20380 Suggested by Albert Chin-A-Young.
20382 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
20384 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
20385 canonical definition.
20386 * src/system.h: Use the canonical definition for PARAMS (avoids
20387 a conflict with the macro from lib/hash.h).
20389 2002-01-11 Akim Demaille <akim@epita.fr>
20391 * configure.in: Use AC_FUNC_STRNLEN.
20392 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
20394 2002-01-09 Akim Demaille <akim@epita.fr>
20396 * src/files.c, src/files.h (output_infix): New.
20397 (tab_extension): Remove.
20398 (compute_base_names): Compute the former, drop the latter.
20399 * src/output.c (prepare): Insert the muscles `output-infix', and
20401 * src/parse-skel.y (string, string.1): New.
20402 (section.header): Use it.
20403 (section.yacc): Remove.
20404 (prefix): Remove too.
20405 * src/scan-skel.l: Adjust.
20406 * src/bison.simple, src/bison.hairy: Adjust.
20408 2002-01-09 Akim Demaille <akim@epita.fr>
20410 * configure.in (WERROR_CFLAGS): Compute it.
20411 * src/Makefile.am (CFLAGS): Pass it.
20412 * tests/atlocal.in (CFLAGS): Idem.
20413 * src/files.c: Fix a few warnings.
20414 (get_extension_index): Remove, unused.
20416 2002-01-08 Akim Demaille <akim@epita.fr>
20418 * src/getargs.c (AS_FILE_NAME): New.
20419 (getargs): Use it to convert DOSish file names.
20420 * src/files.c (base_name): Rename as full_base_name to avoid
20421 clashes with `base_name ()'.
20422 (filename_split): New.
20423 (compute_base_names): N-th rewrite, using filename_split.
20425 2002-01-08 Akim Demaille <akim@epita.fr>
20427 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
20428 New, stolen from the Fileutils 4.1.
20429 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
20430 * configure.in: Check for the presence of memrchr, and of its
20433 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
20435 * lib/hash.h (__P): Added definition for this macro.
20436 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
20437 BUILT_SOURCES, to ensure they are generated first.
20438 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
20439 %error-verbose to allow bootstrapping with bison 1.30x.
20441 2002-01-06 Akim Demaille <akim@epita.fr>
20443 * src/reader.c (parse_braces): Don't fetch the next char, the
20444 convention is to fetch on entry.
20445 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
20446 'switch' without a following semicolon.
20447 * tests/regression.at (braces parsing): New.
20449 2002-01-06 Akim Demaille <akim@epita.fr>
20451 Bison is dead wrong in its RR conflict reports.
20453 * tests/torture.at (GNU Cim Grammar): New.
20454 * src/conflicts.c (count_rr_conflicts): Fix.
20456 2002-01-06 Akim Demaille <akim@epita.fr>
20458 Creating package.m4 from configure.ac causes too many problems.
20460 * tests/Makefile.am (package.m4): Create it by hand,
20461 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
20463 2002-01-06 Akim Demaille <akim@epita.fr>
20465 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
20468 2002-01-04 Paul Eggert <eggert@twinsun.com>
20470 * doc/bison.texinfo (Debugging):
20471 Remove YYSTDERR; it's no longer defined or used.
20472 Also, s/cstdio.h/cstdio/.
20474 2002-01-03 Akim Demaille <akim@epita.fr>
20476 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
20478 2002-01-03 Akim Demaille <akim@epita.fr>
20480 * src/parse-skel.y (process_skeleton): Don't bind the parser's
20481 tracing code to --trace, wait for a better --trace option, with
20484 2002-01-03 Akim Demaille <akim@epita.fr>
20486 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
20487 The ISO C++ standard is extremely clear about it: stderr is
20488 considered a macro, not a regular symbol (see table 94 `Header
20489 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
20490 Therefore std:: does not apply to it. It still does with fprintf.
20491 Also, s/cstdio.h/cstdio/.
20493 2002-01-03 Akim Demaille <akim@epita.fr>
20495 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
20496 for non system headers.
20498 2002-01-02 Akim Demaille <akim@epita.fr>
20500 Equip the skeleton chain with location tracking, runtime trace,
20501 pure parser and scanner.
20503 * src/parse-skel.y: Request a pure parser, locations, and prefix
20505 (%union): Having several members with the same type does not help
20506 type mismatches, simplify.
20507 (YYPRINT, yyprint): New.
20508 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
20509 (skel_error): this.
20511 * src/scan-skel.l: Adjust to these changes.
20512 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
20513 (LOCATION_PRINT, skel_control_t): New.
20515 2001-12-30 Akim Demaille <akim@epita.fr>
20517 * src/parse-skel.y: Get rid of the shift/reduce conflict:
20518 replace `gb' with BLANKS.
20519 * src/scan-skel.l: Adjust.
20521 2001-12-30 Akim Demaille <akim@epita.fr>
20523 * src/system.h: We don't need nor want bcopy.
20524 Throw away MS-DOS crap: we don't need getpid.
20525 * configure.in: We don't need strndup. It was even causing
20526 problems: because Flex includes the headers *before* us,
20527 _GNU_SOURCE is not defined by config.h, and therefore strndup was
20529 * lib/xstrndup.c: New.
20530 * src/scan-skel.l: Use it.
20531 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
20532 * src/parse-skel.y: Use %directives instead of #defines.
20534 2001-12-30 Akim Demaille <akim@epita.fr>
20536 * src/skeleton.h: New.
20537 * src/output.c (output_parser, output_master_parser): Remove, dead
20539 * src/output.h (get_lines_number, actions_output, guards_output)
20540 (token_definitions_output): Prototype them.
20541 * src/parse-skel.y: Add the license notice.
20542 Include output.h and skeleton.h.
20543 (process_skeleton): Returns void, and takes a single parameter.
20544 * src/scan-skel.l: Add the license notice.
20545 Include skeleton.h.
20546 Don't use %option yylineno: it seems that then Flex imagines
20547 REJECT has been used, and therefore it won't reallocate its
20548 buffers (which makes no other sense to me than a bug). It results
20549 in warnings for `unused: yy_flex_realloc'.
20551 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
20553 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
20554 (MUSCLE_INSERT_PREFIX): ...to there.
20555 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
20556 (MUSCLE_INSERT_PREFIX): Move from here...
20558 * src/bison.hairy: Add a section directive. Put braces around muscle
20559 names. This parser skeleton is still broken, but Bison should not
20560 choke on a bad muscle 'syntax'.
20561 * src/bison.simple: Add a section directive. Put braces around muscle
20564 * src/files.h (strsuffix, stringappend): Add declarations.
20565 (tab_extension): Add declaration.
20566 (short_base_name): Add declaration.
20568 * src/files.c (strsuffix, stringappend): No longer static. These
20569 functions are used in the skeleton parser.
20570 (tab_extension): New.
20571 (compute_base_names): Use the computations done in this function
20572 to guess if the generated parsers should have '.tab' in their
20574 (short_base_name): No longer static.
20576 * src/output.c (output_skeleton): New.
20577 (output): Disable call to output_master_parser, and give a try to
20578 a new skeleton handling system.
20579 (guards_output, actions_output): No longer static.
20580 (token_definitions_output, get_lines_number): No longer static.
20582 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
20584 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
20587 * src/parse-skel.y: New file.
20588 * src/scan-skel.l: New file.
20590 2001-12-29 Akim Demaille <akim@epita.fr>
20592 %name-prefix is broken.
20594 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
20595 Adjust all dependencies.
20596 * tests/headers.at (export YYLTYPE): Strengthen this test: use
20599 Renaming yylval but not yylloc is not consistent. Now we do.
20601 * src/bison.simple: Prefix yylloc if used.
20602 * doc/bison.texinfo (Decl Summary): Document that.
20604 2001-12-29 Akim Demaille <akim@epita.fr>
20606 * doc/bison.texinfo: Promote `%long-directive' over
20608 Remove all references to fixed-output-files, yacc is enough.
20610 2001-12-29 Akim Demaille <akim@epita.fr>
20612 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
20613 user prologue. These are defaults.
20614 * tests/actions.at (Mid-rule actions): Make sure the user can
20615 define YYDEBUG and YYERROR_VERBOSE.
20617 2001-12-29 Akim Demaille <akim@epita.fr>
20619 * src/output.c (header_output): Don't forget to export YYLTYPE and
20621 * tests/headers.at (export YYLTYPE): New, make sure it does.
20622 * tests/regression.at (%union and --defines, Invalid CPP headers):
20624 * tests/headers.at: here.
20626 2001-12-29 Akim Demaille <akim@epita.fr>
20628 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
20630 2001-12-29 Akim Demaille <akim@epita.fr>
20632 * tests/actions.at (Mid-rule actions): Output on a single line
20633 instead of several.
20635 2001-12-29 Akim Demaille <akim@epita.fr>
20637 * doc/bison.texinfo: Formatting changes.
20639 2001-12-29 Akim Demaille <akim@epita.fr>
20641 Don't store the token defs in a muscle, just be ready to output it
20642 on command. Now possible via `symbols'. Fixes a memory leak.
20644 * src/output.c (token_definitions_output): New.
20645 (output_parser, header_output): Use it.
20646 * src/reader.c (symbols_save): Remove.
20648 2001-12-29 Akim Demaille <akim@epita.fr>
20650 * src/bison.simple: Do not provide a default for YYSTYPE and
20651 YYLTYPE before the user's prologue. Otherwise it's hardly... a
20654 2001-12-29 Akim Demaille <akim@epita.fr>
20656 Mid-rule actions are simply... ignored!
20658 * src/reader.c (readgram): Be sure to attach mid-rule actions to
20659 the empty-rule associated to the dummy symbol, not to the host
20661 * tests/actions.at (Mid-rule actions): New.
20663 2001-12-29 Akim Demaille <akim@epita.fr>
20667 * src/reader.c (reader): Free grammar.
20669 2001-12-29 Akim Demaille <akim@epita.fr>
20673 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
20674 since it allocates it for each state, although only one is needed.
20675 (allocate_storage): Do it here.
20677 2001-12-29 Akim Demaille <akim@epita.fr>
20679 * src/options.h, src/options.c (create_long_option_table): Rename
20681 (long_option_table_new): this, with a clearer prototype.
20682 (percent_table): Remove, unused,
20683 * src/getargs.c (getargs): Adjust.
20685 2001-12-29 Akim Demaille <akim@epita.fr>
20687 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
20688 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
20691 2001-12-29 Akim Demaille <akim@epita.fr>
20693 * src/lalr.c (build_relations): Rename `states' as `states1'.
20694 Sorry, I don't understand exactly what it is, no better name...
20696 2001-12-29 Akim Demaille <akim@epita.fr>
20698 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
20699 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
20700 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
20703 2001-12-29 Akim Demaille <akim@epita.fr>
20705 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
20708 2001-12-29 Akim Demaille <akim@epita.fr>
20710 * src/reader.c, src/reader.h (user_toknums): Remove.
20711 Adjust all users to use symbols[i]->user_token_number.
20713 2001-12-29 Akim Demaille <akim@epita.fr>
20715 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
20716 Adjust all users to use symbols[i]->prec or ->assoc.
20718 2001-12-29 Akim Demaille <akim@epita.fr>
20720 * src/reader.c, src/reader.h (tags): Remove.
20721 Adjust all users to use symbols[i]->tag.
20723 2001-12-29 Akim Demaille <akim@epita.fr>
20725 * src/gram.h, src/gram.c (symbols): New, similar to state_table
20727 * src/reader.c (packsymbols): Fill this table.
20729 * src/conflicts.c (resolve_sr_conflict): Adjust.
20730 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
20732 Use symbols[i]->tag instead of tags[i].
20734 2001-12-29 Akim Demaille <akim@epita.fr>
20736 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
20737 In addition, put a comment in there, to replace...
20738 * tests/regression.at (%union and C comments): Remove.
20740 2001-12-29 Akim Demaille <akim@epita.fr>
20742 * tests/regression.at (Web2c Actions): Blindly move the actual
20743 output as expected output. The contents *seem* right to me, but I
20744 can't pretend reading perfectly parser tables... Nonetheless, all
20745 the other tests pass correctly, the table look OK, even though the
20746 presence of `$axiom' is to be noted: AFAICS it is useless (but
20749 2001-12-29 Akim Demaille <akim@epita.fr>
20751 * src/reader.c (readgram): Don't add the rule 0 if there were no
20752 rules read. In other words, add it _after_ having performed
20753 grammar sanity checks.
20754 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
20756 2001-12-29 Akim Demaille <akim@epita.fr>
20758 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
20759 visible, and some states have now a different number.
20761 2001-12-29 Akim Demaille <akim@epita.fr>
20763 * src/reader.c (readgram): Bind the initial rule's lineno to that
20765 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
20766 (Solved SR Conflicts): Adjust rule 0's line number.
20768 2001-12-29 Akim Demaille <akim@epita.fr>
20770 Fix the `GAWK Grammar' failure.
20772 * src/LR0.c (final_state): Initialize to -1 so that we do compute
20773 the reductions of the first state which was mistakenly confused
20774 with the final state because precisely final_state was initialized
20776 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
20777 now noticed by Bison.
20778 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
20779 have a reduction on $default.
20781 2001-12-29 Akim Demaille <akim@epita.fr>
20783 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
20785 * src/closure.c (print_closure): Likewise.
20786 * src/derives.c (print_derives): Likewise.
20787 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
20790 2001-12-29 Akim Demaille <akim@epita.fr>
20792 * src/lalr.c (lookaheads_print): New.
20793 (lalr): Call it when --trace-flag.
20794 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
20797 2001-12-29 Akim Demaille <akim@epita.fr>
20799 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
20800 when walking through ritem, even via rule->rhs.
20801 * src/reduce.c (dump_grammar, useful_production, reduce_output)
20802 (useful_production, useless_nonterminals): Likewise.
20803 (reduce_grammar_tables): Likewise, plus update nritems.
20804 * src/nullable.c (set_nullable): Likewise.
20805 * src/lalr.c (build_relations): Likewise.
20806 * tests/sets.at (Nullable): Adjust.
20807 Fortunately, now, the $axiom is no longer nullable.
20809 2001-12-29 Akim Demaille <akim@epita.fr>
20811 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
20813 * src/gram.c (ritem_longest_rhs): Likewise.
20814 * src/reduce.c (nonterminals_reduce): Likewise.
20815 * src/print_graph.c (print_graph): Likewise.
20816 * src/output.c (output_rule_data): Likewise.
20817 * src/nullable.c (set_nullable): Likewise.
20819 2001-12-29 Akim Demaille <akim@epita.fr>
20821 * src/output.c: Comment changes.
20823 2001-12-27 Paul Eggert <eggert@twinsun.com>
20825 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
20826 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
20827 Sparc, as they were causing more porting problems than the
20828 (minor) performance improvement was worth.
20830 Also, catch up with 1.31's YYSTD.
20832 2001-12-27 Akim Demaille <akim@epita.fr>
20834 * src/output.c (output_gram): Rely on nritems, not the
20835 0-sentinel. See below.
20836 Use -1 as separator, not 0.
20837 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
20838 Rely on -1 as separator in yyrhs, instead of 0.
20839 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
20840 twice `Now at end of input', therefore there are two lines less to
20843 2001-12-27 Akim Demaille <akim@epita.fr>
20845 * tests/regression.at (Unresolved SR Conflicts):
20846 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
20849 2001-12-27 Akim Demaille <akim@epita.fr>
20851 * src/LR0.c (new_state): Recognize the final state by the fact it
20852 is reached by eoftoken.
20853 (insert_start_shifting_state, insert_eof_shifting_state)
20854 (insert_accepting_state, augment_automaton): Remove, since now
20855 these states are automatically computed from the initial state.
20856 (generate_states): Adjust.
20857 * src/print.c: When reporting a rule number to the user, substract
20858 1, so that the axiom rule is rule 0, and the first user rule is 1.
20859 * src/reduce.c: Likewise.
20860 * src/print_graph.c (print_core): For the time being, just as for
20861 the report, depend upon --trace-flags to dump the full set of
20863 * src/reader.c (readgram): Once the grammar read, insert the rule
20864 0: `$axiom: START-SYMBOL $'.
20865 * tests/set.at: Adjust: rule 0 is now displayed, and since the
20866 number of the states has changed (the final state is no longer
20867 necessarily the last), catch up.
20869 2001-12-27 Akim Demaille <akim@epita.fr>
20871 Try to make the use of the eoftoken valid. Given that its value
20872 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
20873 is used instead of > 0 where appropriate, (ii), depend upon nritems
20874 instead of the 0-sentinel.
20876 * src/gram.h, src/gram.c (nritems): New.
20877 Expected to be duplication of nitems, but for the time being...
20878 * src/reader.c (packgram): Assert nritems and nitems are equal.
20879 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
20880 * src/closure.c (print_closure, print_fderives): Likewise.
20881 * src/gram.c (ritem_print): Likewise.
20882 * src/print.c (print_core, print_grammar): Likewise.
20883 * src/print_graph.c: Likewise.
20885 2001-12-27 Akim Demaille <akim@epita.fr>
20887 * src/main.c (main): If there are complains after grammar
20888 reductions, then output the report anyway if requested, then die.
20889 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
20890 * src/reader.c (eoftoken): New.
20891 (parse_token_decl): If the token being defined has value `0', it
20893 (packsymbols): No longer hack `tags' to insert `$' by hand.
20894 Be sure to preserve the value of the eoftoken.
20895 (reader): Make sure eoftoken is defined.
20896 Initialize nsyms to 0: now eoftoken is created just like the others.
20897 * src/print.c (print_grammar): Don't special case the eof token.
20898 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
20899 lie anyway, albeit pleasant.
20900 * tests/calc.at: Exercise error messages with eoftoken.
20901 Change the grammar so that empty input is invalid.
20902 Adjust expectations.
20903 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
20905 2001-12-27 Akim Demaille <akim@epita.fr>
20907 * configure.in: Check the protos of strchr ans strspn.
20908 Replace strchr if needed.
20909 * src/system.h: Provide the protos of strchr, strspn and memchr if
20911 * lib/strchr.c: New.
20912 * src/reader.c (symbols_save): Use strchr.
20914 2001-12-27 Akim Demaille <akim@epita.fr>
20916 * src/print.c, src/print_graph.c (escape): New.
20917 Use it to quote the TAGS outputs.
20918 * src/print_graph.c (print_state): Now errors are in red, and
20919 reductions in green.
20920 Prefer high to wide: output the state number on a line of its own.
20922 2001-12-27 Akim Demaille <akim@epita.fr>
20924 * src/state.h, src/state.c (reductions_new): New.
20925 * src/LR0.c (set_state_table): Let all the states have a
20926 `reductions', even if reduced to 0.
20927 (save_reductions): Adjust.
20928 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
20929 * src/print.c (print_reductions, print_actions): Adjust.
20930 * src/output.c (action_row): Adjust.
20932 2001-12-27 Akim Demaille <akim@epita.fr>
20934 * src/state.h, src/state.c (errs_new, errs_dup): New.
20935 * src/LR0.c (set_state_table): Let all the states have an errs,
20936 even if reduced to 0.
20937 * src/print.c (print_errs, print_reductions): Adjust.
20938 * src/output.c (output_actions, action_row): Adjust.
20939 * src/conflicts.c (resolve_sr_conflict): Adjust.
20941 2001-12-27 Akim Demaille <akim@epita.fr>
20943 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
20945 2001-12-27 Akim Demaille <akim@epita.fr>
20947 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
20948 * src/print.c: here.
20949 (lookaheadset, shiftset): New, used as additional storage by
20951 (print_results): Adjust.
20952 (print_shifts, print_gotos, print_errs): New, extracted from...
20953 (print_actions): here.
20954 * src/print_graph.c (print_actions): Remove dead code.
20956 2001-12-27 Akim Demaille <akim@epita.fr>
20958 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
20961 2001-12-27 Akim Demaille <akim@epita.fr>
20963 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
20964 (build_relations): Adjust.
20966 2001-12-27 Akim Demaille <akim@epita.fr>
20968 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
20971 2001-12-27 Akim Demaille <akim@epita.fr>
20973 * src/reader.c (packgram): Catch nitems overflows.
20975 2001-12-27 Akim Demaille <akim@epita.fr>
20977 * src/files.c, src/files.h (guard_obstack): Remove.
20978 * src/output.c (output): Adjust.
20979 * src/reader.c (parse_braces): New, factoring...
20980 (copy_action, copy_guard): these two which are renamed as...
20981 (parse_action, parse_guard): these.
20982 As a voluntary consequence, using braces around guards is now
20985 2001-12-27 Akim Demaille <akim@epita.fr>
20987 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
20988 * src/reader.c (symbol_list): `guard' and `guard_line' are new
20990 (symbol_list_new): Adjust.
20991 (copy_action): action_line is the first line, not the last.
20992 (copy_guard): Just as for actions, store the `action' only, not
20993 the switch/case/break flesh.
20994 Don't parse the user action that might follow the guard, let...
20995 (readgram): do it, i.e., now, there can be an action after a
20997 In other words the guard is just explicitly optional.
20998 (packgram): Adjust.
20999 * src/output.c (guards_output): New.
21000 (output_parser): Call it when needed.
21001 (output): Also free the guard and attrs obstacks.
21002 * src/files.c, src/files.h (obstack_save): Remove.
21003 (output_files): Remove.
21004 As a result, if one needs the former `.act' file, using an
21005 appropriate skeleton which requires actions and guards is now
21007 * src/main.c (main): Adjust.
21008 * tests/semantic.at: New.
21009 * tests/regression.at: Use `input.y' as input file name.
21010 Avoid 8+3 problems by requiring input.c when the test needs the
21013 2001-12-27 Akim Demaille <akim@epita.fr>
21015 * src/reader.c (symbol_list_new): Be sure to initialize all the
21018 2001-12-27 Akim Demaille <akim@epita.fr>
21020 All the hacks using a final pseudo state are now useless.
21022 * src/LR0.c (set_state_table): state_table holds exactly nstates.
21023 * src/lalr.c (nLA): New.
21024 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
21025 instead of lookaheadsp from the pseudo state (nstate + 1).
21027 2001-12-27 Akim Demaille <akim@epita.fr>
21029 * src/output.c (action_row, token_actions): Use a state_t instead
21030 of a integer, and nlookaheads instead of the following state's
21033 2001-12-27 Akim Demaille <akim@epita.fr>
21035 * src/conflicts.c (log_resolution, flush_shift)
21036 (resolve_sr_conflict, set_conflicts, solve_conflicts)
21037 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
21038 (conflicts_print, print_reductions): Use a state_t instead of an
21039 integer when referring to a state.
21040 As much as possible, depend upon nlookaheads, instead of the
21041 `lookaheadsp' member of the following state (since lookaheads of
21042 successive states are successive, the difference between state n + 1
21043 and n served as the number of lookaheads for state n).
21044 * src/lalr.c (add_lookback_edge): Likewise.
21045 * src/print.c (print_core, print_actions, print_state)
21046 (print_results): Likewise.
21047 * src/print_graph.c (print_core, print_actions, print_state)
21048 (print_graph): Likewise.
21049 * src/conflicts.h: Adjust.
21051 2001-12-27 Akim Demaille <akim@epita.fr>
21053 * src/bison.hairy: Formatting/comment changes.
21055 Remove `register' indications.
21056 Add plenty of `static'.
21058 2001-12-27 Akim Demaille <akim@epita.fr>
21060 * src/output.c (prepare): Drop the muscle `ntbase' which
21061 duplicates ntokens.
21062 * src/bison.simple: Formatting/comment changes.
21063 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
21064 is an undocumented synonym.
21066 2001-12-22 Akim Demaille <akim@epita.fr>
21068 * src/output.c (output_table_data): Change the prototype to use
21069 `int' for array ranges: some invocations do pass an int, not a
21071 Reported by Wayne Green.
21073 2001-12-22 Akim Demaille <akim@epita.fr>
21075 Some actions of web2c.y are improperly triggered.
21076 Reported by Mike Castle.
21078 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
21079 * tests/regression.at (Web2c): Rename as...
21080 (Web2c Report): this.
21081 (Web2c Actions): New.
21083 2001-12-22 Akim Demaille <akim@epita.fr>
21085 Reductions in web2c.y are improperly reported.
21086 Reported by Mike Castle.
21088 * src/conflicts.c (print_reductions): Fix.
21089 * tests/regression.at (Web2c): New.
21091 2001-12-18 Akim Demaille <akim@epita.fr>
21093 Some host fail on `assert (!"foo")', which expands to
21094 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
21095 Reported by Nelson Beebee.
21097 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
21098 `#define it_succeeded 0' and `assert (it_succeeded)'.
21100 2001-12-17 Marc Autret <autret_m@epita.fr>
21102 * src/bison.simple: Don't hard code the skeleton line and filename.
21103 * src/output.c (output_parser): Rename 'line' as 'output_line'.
21104 New line counter 'skeleton_line' (skeleton-line muscle).
21106 2001-12-17 Paul Eggert <eggert@twinsun.com>
21108 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
21109 YYDEBUG must be defined to a nonzero value.
21111 * src/bison.simple (yytname): Do not assume that the user defines
21112 YYDEBUG to a properly parenthesized expression.
21114 2001-12-17 Akim Demaille <akim@epita.fr>
21116 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
21117 nlookaheads is a new member.
21119 * src/lalr.h (nlookaheads): Remove this orphan declaration.
21120 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
21123 2001-12-17 Akim Demaille <akim@epita.fr>
21125 * src/files.h, src/files.c (open_files, close_files): Remove.
21126 * src/main.c (main): Don't open/close files, nor invoke lex_free,
21128 * src/reader.c (reader): Do it.
21130 2001-12-17 Akim Demaille <akim@epita.fr>
21132 * src/conflicts.c (print_reductions): Formatting changes.
21134 2001-12-17 Akim Demaille <akim@epita.fr>
21136 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
21137 (flush_reduce): New.
21138 (resolve_sr_conflict): Adjust.
21140 2001-12-17 Akim Demaille <akim@epita.fr>
21142 * src/output.c (output_obstack): Be static and rename as...
21143 (format_obstack): this, to avoid any confusion with files.c's
21145 * src/reader.h (muscle_obstack): Move to...
21146 * src/output.h: here, since it's defined in output.c.
21148 2001-12-17 Akim Demaille <akim@epita.fr>
21150 * src/output.c (action_row, save_column, default_goto)
21151 (sort_actions, matching_state, pack_vector): Better variable
21154 2001-12-17 Akim Demaille <akim@epita.fr>
21156 * src/output.c: Various formatting changes.
21158 2001-12-17 Akim Demaille <akim@epita.fr>
21160 * src/files.c (output_files): Free the output_obstack.
21161 * src/main.c (main): Call print and print_graph conditionally.
21162 * src/print.c (print): Work unconditionally.
21163 * src/print_graph.c (print_graph): Work unconditionally.
21164 * src/conflicts.c (log_resolution): Output only if verbose_flag.
21166 2001-12-16 Marc Autret <autret_m@epita.fr>
21168 * src/output.c (actions_output): Fix. When we use %no-lines,
21169 there is one less line per action.
21171 2001-12-16 Marc Autret <autret_m@epita.fr>
21173 * src/bison.simple: Remove a useless #line directive.
21174 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
21175 * src/output.c (get_lines_number): New.
21176 (output_parser): Adjust, now takes care about the lines of a
21178 Fix line numbering.
21179 (actions_output): Computes the number of lines taken by actions.
21180 (output_master_parser): Insert new skeleton which is the name of
21181 the output parser file name.
21183 2001-12-15 Marc Autret <autret_m@epita.fr>
21185 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
21187 2001-12-15 Marc Autret <autret_m@epita.fr>
21189 * src/output.c (output_gram): Keep track of the hairy one.
21191 2001-12-15 Akim Demaille <akim@epita.fr>
21193 Make `make distcheck' work.
21195 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
21196 system.h which uses libgettext.h.
21198 2001-12-15 Akim Demaille <akim@epita.fr>
21200 * src/nullable.c (set_nullable): Useless rules must be skipped,
21201 otherwise, since we range over their symbols, we might look at a
21202 nonterminal which no longer ``exists'', i.e., it is not counted in
21203 `nvars', hence we overflow our arrays.
21205 2001-12-15 Akim Demaille <akim@epita.fr>
21207 The header can also be produced directly, without any obstack!
21210 * src/files.c, src/files.h (defines_obstack): Remove.
21211 (compute_header_macro): Global.
21212 (defines_obstack_save): Remove.
21213 * src/reader.c (parse_union_decl): No longer output to
21214 defines_obstack: its content can be found in the `stype' muscle
21216 (output_token_translations): Merge into...
21217 (symbols_output): this.
21219 (symbols_save): this.
21221 * src/output.c (header_output): New.
21224 2001-12-15 Akim Demaille <akim@epita.fr>
21226 * src/reader.c (parse_union_decl): Instead of handling two obstack
21227 simultaneously, use one to define the `stype' muscle, and use the
21228 value of the latter to fill defines_obstack.
21229 (copy_comment): Remove.
21230 (copy_comment2): Work for a single obstack.
21232 (copy_comment): this.
21234 2001-12-15 Akim Demaille <akim@epita.fr>
21236 * src/lex.c, src/lex.h (xgetc): No longer static.
21237 * src/reader.c (parse_union_decl): Revamp.
21239 2001-12-15 Akim Demaille <akim@epita.fr>
21241 Still making progress in separating Bison into (i) input, (ii)
21242 process, (iii) output: now we can directly output the parser file
21243 without using table_obstack at all.
21245 * src/files.c, src/files.h (table_obstack): Bye bye.
21246 (parser_file_name): New.
21247 * src/files.c (compute_output_file_names): Compute it.
21248 * src/output.c (actions_output, output_parser)
21249 (output_master_parser): To a file instead of an obstack.
21251 2001-12-15 Akim Demaille <akim@epita.fr>
21253 Attach actions to rules, instead of pre-outputting them to
21256 * src/gram.h (rule_t): action and action_line are new members.
21257 * src/reader.c (symbol_list): Likewise.
21258 (copy_action): Save the actions within the rule.
21259 (packgram): Save them in rule_table.
21260 * src/output.c (actions_output): New.
21261 (output_parser): Use it on `%%actions'.
21262 (output_rule_data): Don't free rule_table.
21264 (prepare): Don't save the `action' muscle.
21265 * src/bison.simple: s/%%action/%%actions/.
21267 2001-12-15 Akim Demaille <akim@epita.fr>
21269 * src/reader.c (copy_action): When --yacc, don't append a `;'
21270 to the user action: let it fail if lacking.
21271 Suggested by Arnold Robbins and Tom Tromey.
21273 2001-12-14 Akim Demaille <akim@epita.fr>
21275 * src/lex.c (literalchar): Simply return the char you decoded, non
21276 longer mess around with obstacks and int pointers.
21277 Adjust all callers.
21279 2001-12-14 Akim Demaille <akim@epita.fr>
21281 * src/lex.c (literalchar): Don't escape the special characters,
21282 just decode them, and keep them as char (before, eol was output as
21283 the 2 char string `\n' etc.).
21284 * src/output.c (output_rule_data): Use quotearg to output the
21287 2001-12-13 Paul Eggert <eggert@twinsun.com>
21289 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
21290 Do not infringe on the global user namespace when using C++.
21291 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
21292 All uses of `fprintf' and `stderr' changed.
21294 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
21296 2001-12-13 Akim Demaille <akim@epita.fr>
21298 The computation of nullable is broken: it doesn't handle empty
21301 * tests/torture.at (GNU AWK Grammar): New.
21302 * tests/sets.at (Nullable): New.
21303 * src/nullable.c (set_nullable): Instead of blindly looping over
21304 `ritems', loop over the rules, and then over their rhs's.
21306 Work around Autotest bugs.
21308 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
21309 frame, because Autotest understand lines starting with a `+' as
21310 traces from the shell. Then, they are not processed properly.
21311 Admittedly an Autotest bug, but we don't have time to wait for
21312 Autotest to catch up.
21313 * tests/regression.at (Broken Closure): Adjust to the new table
21316 * tests/sets.at: here.
21318 2001-12-13 Akim Demaille <akim@epita.fr>
21320 * src/closure.c (closure): Use nrules instead of playing tricks
21321 with BITS_PER_WORD.
21323 2001-12-13 Akim Demaille <akim@epita.fr>
21325 * src/print.c (print_actions): Output the handling of `$' as the
21326 traces do: shifting the token EOF. Before EOF was treated as a
21328 * tests/regression.at: Adjust some tests.
21329 * src/print_graph.c (print_core): Complete the set of items via
21330 closure. The next-to-final and final states are still unsatisfying,
21331 but that's to be addressed elsewhere.
21332 No longer output the rule numbers, but do output the state number.
21333 A single loop for the shifts + gotos is enough, but picked a
21334 distinct color for each.
21335 (print_graph): Initialize and finalize closure.
21337 2001-12-13 Akim Demaille <akim@epita.fr>
21339 * src/reader.c (readgram): Remove dead code, an strip useless
21341 (get_type): Remove, unused.
21343 2001-12-12 Akim Demaille <akim@epita.fr>
21345 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
21346 on that of lib/error.c.
21348 2001-12-12 Akim Demaille <akim@epita.fr>
21350 Some hosts don't like `/' in includes.
21352 * src/system.h: Include libgettext.h without qualifying the path.
21353 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
21356 2001-12-11 Marc Autret <autret_m@epita.fr>
21358 * src/output.c (output_parser): Remove useless muscle.
21360 2001-12-11 Marc Autret <autret_m@epita.fr>
21362 * src/bison.simple: Remove #line just before %%epilogue. It
21363 is now handled in ...
21364 * src/reader.c (read_additionnal_code): Add the output of a
21365 #line for the epilogue.
21367 2001-12-10 Marc Autret <autret_m@epita.fr>
21369 * src/reader.c (copy_definition): Re-use CPP-outed code which
21370 replace precedent remove.
21371 * src/bison.simple: Remove #line before %%prologue because
21372 %%input-line is wrong at this time.
21374 2001-12-10 Marc Autret <autret_m@epita.fr>
21376 * src/reader.c (symbols_output): Clean up.
21377 * src/output.c (output_gram, output): Clean up.
21379 2001-12-10 Akim Demaille <akim@epita.fr>
21381 * src/lalr.c (initialize_lookaheads): New. Extracted from...
21382 * src/LR0.c (set_state_table): here.
21383 * src/lalr.c (lalr): Call it.
21385 2001-12-10 Akim Demaille <akim@epita.fr>
21387 * src/state.h (shifts): Remove the `number' member: shifts are
21388 attached to state, hence no longer need to be labelled with a
21391 2001-12-10 Akim Demaille <akim@epita.fr>
21393 Now that states have a complete set of members, the linked list of
21394 shifts is useless: just fill directly the state's shifts member.
21396 * src/state.h (shifts): Remove the `next' member.
21397 * src/LR0.c (first_state, last_state): Remove.
21398 Adjust the callers.
21399 (augment_automaton): Don't look for the shifts that must be added
21400 a shift on EOF: it is those of the state we looked for! But now,
21401 since shifts are attached, it is no longer needed to looking
21402 merely by its id: its number.
21404 2001-12-10 Akim Demaille <akim@epita.fr>
21406 * src/LR0.c (augment_automaton): Better variable locality.
21407 Remove an impossible branch: if there is a state corresponding to
21408 the start symbol being shifted, then there is shift for the start
21409 symbol from the initial state.
21411 2001-12-10 Akim Demaille <akim@epita.fr>
21413 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
21414 only when appropriate: when insert_start_shifting_state' is not
21416 * tests/regression.at (Rule Line Numbers): Adjust.
21418 2001-12-10 Akim Demaille <akim@epita.fr>
21420 * src/LR0.c (augment_automaton): Now that all states have shifts,
21421 merge the two cases addition shifts to the initial state.
21423 2001-12-10 Akim Demaille <akim@epita.fr>
21425 * src/lalr.c (set_state_table): Move to...
21427 * src/lalr.c (lalr): Don't call it...
21428 * src/LR0.c (generate_states): do it.
21429 * src/LR0.h (first_state): Remove, only the table is used.
21431 2001-12-10 Akim Demaille <akim@epita.fr>
21433 * src/LR0.h (first_shift, first_reduction): Remove.
21434 * src/lalr.c: Don't use first_shift: find shifts through the
21437 2001-12-10 Akim Demaille <akim@epita.fr>
21439 * src/LR0.c: Attach shifts to states as soon as they are
21441 * src/lalr.c (set_state_table): Instead of assigning shifts to
21442 state, just assert that the mapping was properly done.
21444 2001-12-10 Akim Demaille <akim@epita.fr>
21446 * src/LR0.c (insert_start_shift): Rename as...
21447 (insert_start_shifting_state): this.
21448 (insert_eof_shifting_state, insert_accepting_state): New.
21449 (augment_automaton): Adjust.
21450 Better locality of the variables.
21451 When looking if the start_symbol is shifted from the initial
21452 state, using `while (... symbol != start_symbol ...)' sounds
21453 better than `while (... symbol < start_symbol ...)': If fail
21454 to see how the order between symbols could be relevant!
21456 2001-12-10 Akim Demaille <akim@epita.fr>
21458 * src/getargs.h: Don't declare `spec_name_prefix' and
21459 `spec_file_prefix', declared by src/files.h.
21460 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
21461 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
21462 * src/output.c (prepare): Adjust.
21463 * src/reader.c (symbols_output): Likewise.
21464 * src/vmsgetargs.c: Vaguely adjust, but who cares?
21466 2001-12-10 Akim Demaille <akim@epita.fr>
21468 * src/muscle_tab.c (muscle_init): NULL is a better default than
21471 2001-12-10 Akim Demaille <akim@epita.fr>
21473 * src/reader.c (reader): Calling symbols_output once is enough.
21475 2001-12-10 Akim Demaille <akim@epita.fr>
21477 Now that states have a complete set of members, the linked list of
21478 reductions is useless: just fill directly the state's reductions
21481 * src/state.h (struct reductions): Remove member `number' and
21483 * src/LR0.c (first_reduction, last_reduction): Remove.
21484 (save_reductions): Don't link the new reductions, store them in
21486 * src/lalr.c (set_state_table): No need to attach reductions to
21487 states, it's already done.
21488 * src/output.c (output_actions): No longer free the shifts, then
21489 the reductions, then the states: free all the states and their
21492 2001-12-10 Akim Demaille <akim@epita.fr>
21494 * src/options.c (OPTN, DRTV, BOTH): New.
21495 (option_table): Use them.
21497 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
21498 the job of system.h.
21499 * src/options.c: Don't include stdio.h and xalloc.h for the same
21502 2001-12-10 Akim Demaille <akim@epita.fr>
21504 * src/output.c (output, prepare): Make sure the values of the
21505 muscles `action' and `prologue' are 0-terminated.
21507 2001-12-10 Akim Demaille <akim@epita.fr>
21509 Clean up GCC warnings.
21511 * src/reader.c (copy_action): `buf' is not used.
21512 (parse_skel_decl): Be static.
21513 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
21514 * src/options.h (create_long_option_table): Have a real prototype.
21515 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
21516 (hash_delete_at): Return const void *.
21517 Adjust casts to preserve the const.
21519 2001-12-10 Akim Demaille <akim@epita.fr>
21521 * configure.in: Require 2.52g.
21522 M4 is not needed, but AUTOM4TE is.
21523 * m4/m4.m4: Remove.
21524 * tests/Makefile.am: Adjust.
21526 2001-12-10 Akim Demaille <akim@epita.fr>
21528 One structure for states is enough, even though theoretically
21529 there are LR(0) states and LALR(1) states.
21531 * src/lalr.h (state_t): Remove.
21532 (state_table): Be state_t **, not state_t *.
21533 * src/state.h (core, CORE_ALLOC): Rename as...
21534 (state_t, STATE_ALLOC): this.
21535 Add the LALR(1) members: shifts, reductions, errs.
21536 * src/LR0.c (state_table): Rename as...
21537 (state_hash): this, to avoid name clashes with the global
21539 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
21540 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
21542 2001-12-10 Akim Demaille <akim@epita.fr>
21544 Bison dumps core on bash.y.
21545 Reported by Pascal Bart.
21547 * src/warshall.c (bitmatrix_print): New.
21549 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
21550 j must be the outer loop.
21551 * tests/regression.at (Broken Closure): New.
21553 2001-12-05 Akim Demaille <akim@epita.fr>
21555 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
21557 Reported by Peter Hamorsky.
21559 2001-12-05 Akim Demaille <akim@epita.fr>
21561 * src/conflicts.c (err_table): Remove.
21562 (resolve_sr_conflict): Adjust.
21563 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
21565 (state_t.reductions, state_t.shifts): this.
21567 2001-12-05 Akim Demaille <akim@epita.fr>
21569 * src/reduce.c (reduce_grammar_tables): No longer disable the
21570 removal of useless rules via CPP but via `if (0)', so that the
21571 compiler still check the code is valid.
21572 For instance, it should have noticed `rline' no longer exists: use
21573 the `line' member of rule_t.
21574 * src/gram.c (dummy, rline): Remove, unused.
21576 2001-12-05 Akim Demaille <akim@epita.fr>
21578 * src/output.c (pack_vector): Use assert, not berror.
21579 * src/main.c (berror): Remove, unused.
21581 2001-12-05 Akim Demaille <akim@epita.fr>
21583 New experimental feature: if --verbose --trace output all the
21584 items of a state, not only its kernel.
21586 * src/print.c (print_core): If `trace_flag', then invoke closure
21587 before outputting the items of the state (print_core is no longer
21588 a correct name them).
21589 (print_results): Invoke new_closure/free_closure if needed.
21591 2001-12-05 Akim Demaille <akim@epita.fr>
21593 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
21594 * src/closure.c, src/closure.h (itemsetsize): Rename as...
21595 (nitemset): for consistency with the rest of the project.
21597 2001-12-05 Akim Demaille <akim@epita.fr>
21599 * src/closure.c (print_closure): Improve.
21600 (closure): Use it for printing input and output.
21602 2001-12-05 Akim Demaille <akim@epita.fr>
21604 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
21605 indexed by nonterminals.
21607 2001-12-05 Akim Demaille <akim@epita.fr>
21609 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
21611 * src/warshall.h: Remove accidental duplication of the content.
21613 2001-12-05 Akim Demaille <akim@epita.fr>
21615 * src/closure.c (set_fderives): De-obfuscate.
21617 2001-12-05 Akim Demaille <akim@epita.fr>
21619 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
21621 2001-12-05 Akim Demaille <akim@epita.fr>
21623 * src/closure.c (set_firsts): De-obfuscate.
21625 2001-12-05 Akim Demaille <akim@epita.fr>
21627 * src/output.c (action_row): De-obfuscate
21628 using the good o' techniques: arrays not pointers, variable
21629 locality, BITISSET, RESETBIT etc.
21631 2001-12-05 Akim Demaille <akim@epita.fr>
21633 Pessimize the code to simplify it: from now on, all the states
21634 have a valid SHIFTS, which NSHIFTS is possibly 0.
21636 * src/LR0.c (shifts_new): Be global and move to..
21637 * src/state.c, src/state.h: here.
21638 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
21639 * src/print_graph: Adjust.
21641 2001-12-05 Akim Demaille <akim@epita.fr>
21643 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
21644 * src/conflicts.c: Use it.
21645 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
21646 incorrectly ``simplified''.
21648 2001-12-05 Akim Demaille <akim@epita.fr>
21650 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
21651 using the good o' techniques: arrays not pointers, variable
21652 locality, BITISSET, RESETBIT etc.
21654 2001-12-05 Akim Demaille <akim@epita.fr>
21656 * src/state.h (SHIFT_SYMBOL): New.
21657 * src/conflicts.c: Use it to deobfuscate.
21659 2001-12-05 Akim Demaille <akim@epita.fr>
21661 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
21662 (print_reductions): De-obfuscate using the good o' techniques:
21663 arrays not pointers, variable locality, BITISSET.
21665 2001-12-05 Akim Demaille <akim@epita.fr>
21667 * src/conflicts.c (print_reductions): Arrays, not pointers.
21670 2001-12-05 Akim Demaille <akim@epita.fr>
21672 * src/conflicts.c (print_reductions): Pessimize, but clarify.
21674 2001-12-05 Akim Demaille <akim@epita.fr>
21676 * src/conflicts.c (print_reductions): Improve variable locality.
21678 2001-12-05 Akim Demaille <akim@epita.fr>
21680 * src/conflicts.c (print_reductions): Pessimize, but clarify.
21682 2001-12-05 Akim Demaille <akim@epita.fr>
21684 * src/conflicts.c (print_reductions): Improve variable locality.
21686 2001-12-05 Akim Demaille <akim@epita.fr>
21688 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
21689 * src/lalr.c: Use them.
21691 2001-12-05 Akim Demaille <akim@epita.fr>
21693 * src/LR0.c (augment_automaton): Formatting changes.
21694 Better variable locality.
21696 2001-12-05 Akim Demaille <akim@epita.fr>
21698 * src/lalr.c (matrix_print): New.
21699 (transpose): Use it.
21700 Use arrays instead of pointers.
21702 2001-12-05 Akim Demaille <akim@epita.fr>
21704 * src/lalr.c (maxrhs): Move to...
21705 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
21706 * src/lalr.c (build_relations): Adjust.
21708 2001-12-05 Akim Demaille <akim@epita.fr>
21710 * src/lalr.c (transpose): Free the memory allocated to the
21711 argument, as it is replaced by the results by the unique caller.
21712 (build_relations): Merely invoke transpose: it handles the memory
21714 Improve variable locality.
21715 Avoid variables used as mere abbreviations.
21716 (compute_lookaheads): Use arrays instead of pointers.
21718 2001-12-05 Akim Demaille <akim@epita.fr>
21720 * src/lalr.c (initialize_F): Improve variable locality.
21721 Avoid variables used as mere abbreviations.
21723 2001-12-05 Akim Demaille <akim@epita.fr>
21725 * src/derives.c (print_derives): Display the ruleno.
21726 * src/lalr.c (initialize_F, transpose): Better variable locality
21727 to improve readability.
21728 Avoid variables used as mere abbreviations.
21730 2001-12-05 Akim Demaille <akim@epita.fr>
21732 * src/lalr.c (traverse): Use arrays instead of pointers.
21734 2001-12-05 Akim Demaille <akim@epita.fr>
21736 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
21737 the handling of squeue.
21738 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
21740 2001-12-05 Akim Demaille <akim@epita.fr>
21742 Because useless nonterminals are now kept alive (instead of being
21743 `destroyed'), we now sometimes examine them, and store information
21744 related to them. Hence we need to know their number, and adjust
21745 memory allocations.
21747 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
21749 * src/LR0.c (allocate_itemsets): The memory allocated to
21750 `symbol_count' was used for two different purpose: once to count
21751 the number of occurrences of each symbol, and later reassigned to
21752 `shift_symbol', containing the symbol that can be shifted from a
21754 Deobfuscate, i.e., allocate, use and free `symbol_count' here
21756 (new_itemsets): Allocate `shift_symbol' here.
21757 (allocate_itemsets): symbol_count includes useless nonterminals.
21758 Make room for them.
21759 (free_storage): Use `free', not `XFREE', for pointers that cannot
21762 2001-12-05 Akim Demaille <akim@epita.fr>
21764 * src/nullable.c (set_nullable): Deobfuscate the handling of
21766 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
21768 2001-12-05 Akim Demaille <akim@epita.fr>
21770 * src/gram.c, src/gram.h (ritem_print): New.
21771 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
21772 (This useless function was defined only to work around VMS linkers
21773 that can't handle compilation units with variables only).
21774 * src/reduce.c (dump_grammar): Use it to trace the construction of
21777 2001-12-04 Paul Eggert <eggert@twinsun.com>
21779 * src/bison.simple (union yyalloc): Change member names
21780 to be the same as the stack names.
21781 (yyparse): yyptr is now union yyalloc *, not char *.
21782 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
21783 and may generate better code on some machines.
21784 (yystpcpy): Use prototype if __STDC__ is defined, not just
21785 if __cplusplus is defined.
21787 2001-11-30 Akim Demaille <akim@epita.fr>
21789 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
21790 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
21791 Gettext doesn't compile cleanly, and dies with -Werror.
21792 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
21793 Include WARNING_CFLAGS here.
21794 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
21795 before being defined.
21797 2001-11-27 Paul Eggert <eggert@twinsun.com>
21799 * lib/quotearg.h (quotearg_n, quotearg_n_style):
21800 First arg is int, not unsigned.
21801 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
21802 (SIZE_MAX, UINT_MAX): New macros.
21803 (quotearg_n_options): Abort if N is negative.
21804 Avoid overflow check on hosts where size_t is 64 bits and int
21805 is 32 bits, as overflow is impossible there.
21806 Fix off-by-one typo that caused unnecessary reallocation.
21808 2001-11-29 Paul Eggert <eggert@twinsun.com>
21810 Name space cleanup in generated parser.
21812 * doc/bison.texinfo (Bison Parser): Discuss system headers
21813 and their effect on the user name space.
21815 * src/bison.simple:
21816 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
21817 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
21818 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
21820 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
21821 on user names when possible.
21823 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
21824 Simplify test for whather <alloca.h> exists.
21826 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
21828 (<stdio.h>): Include if YYDEBUG.
21830 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
21831 ! defined (yyoverflow) && ! defined (yymemcpy).
21833 (yymemcpy, yyparse): Rename local variables as needed so that
21834 they all begin with 'yy'.
21836 (yystrlen, yystpcpy): New functions.
21838 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
21841 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
21842 instead of relying on string.h functions. Use YYSTACK_ALLOC
21843 and YYSTACK_FREE instead of malloc and free.
21845 2001-11-30 Akim Demaille <akim@epita.fr>
21847 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
21848 before their first uses.
21849 (YYBISON, YYPURE): Move to the top of the output.
21851 2001-11-30 Akim Demaille <akim@epita.fr>
21853 * tests/reduce.at (Useless Nonterminals): Fix.
21855 2001-11-30 Akim Demaille <akim@epita.fr>
21857 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
21858 if body instead of `;' to pacify GCC's warnings.
21860 2001-11-30 Akim Demaille <akim@epita.fr>
21862 Instead of mapping the LHS of unused rules to -1, keep the LHS
21863 valid, but flag the rules as invalid.
21865 * src/gram.h (rule_t): `useful' is a new member.
21866 * src/print.c (print_grammar): Adjust.
21867 * src/derives.c (set_derives): Likewise.
21868 * src/reader.c (packgram, reduce_output): Likewise.
21869 * src/reduce.c (reduce_grammar_tables): Likewise.
21870 * tests/reduce.at (Underivable Rules, Useless Rules): New.
21872 2001-11-30 Akim Demaille <akim@epita.fr>
21874 * src/reduce.c (reduce_output): Formatting changes.
21875 * src/print.c (print_results, print_grammar): Likewise.
21876 * tests/regression.at (Rule Line Numbers)
21877 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
21879 2001-11-30 Akim Demaille <akim@epita.fr>
21881 * src/reduce.c (nonterminals_reduce): Instead of throwing away
21882 useless nonterminals, move them at the end of the symbol arrays.
21883 (reduce_output): Adjust.
21884 * tests/reduce.at (Useless Nonterminals): Adjust.
21886 2001-11-30 Akim Demaille <akim@epita.fr>
21888 * src/reduce.c: Various comment/formatting changes.
21889 (nonterminals_reduce): New, extracted from...
21890 (reduce_grammar_tables): here.
21891 (reduce_grammar): Call nonterminals_reduce.
21893 2001-11-29 Paul Eggert <eggert@twinsun.com>
21895 * src/bison.simple (YYSTACK_REALLOC): Remove.
21896 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
21897 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
21899 (union yyalloc): New type.
21900 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
21901 an arbitrary restriction on hosts where size_t is wider than int.
21903 (yyparse): Don't dump core if alloca or malloc fails; instead, report
21904 a parser stack overflow. Allocate just one block of memory for all
21905 three stacks, instead of allocating three blocks; this typically is
21906 faster and reduces fragmentation.
21908 Do not limit the number of items in the stack to a value that fits
21909 in 'int', as this is an arbitrary limit on hosts with 64-bit
21910 size_t and 32-bit int.
21912 2001-11-29 Marc Autret <autret_m@epita.fr>
21914 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
21915 of defining YYERROR_VERBOSE.
21916 [AT_DATA]: $4 is now out of C declarations in the prologue.
21918 2001-11-28 Marc Autret <autret_m@epita.fr>
21920 * src/reader.c (parse_dquoted_param): New.
21921 (parse_skel_decl): Use it.
21922 * src/lex.h: Add its prototype.
21923 * src/lex.c (literalchar): Become not static.
21925 2001-11-28 Marc Autret <autret_m@epita.fr>
21927 * src/output.h: And put its extern declaration here.
21928 * src/output.c (error_verbose): Define here.
21929 (prepare): Echo name modification.
21930 * src/getargs.h: Clean its extern declaration.
21931 * src/getargs.c (error_verbose_flag): Remove.
21932 (getargs): Remove case 'e'.
21933 * src/options.c (option_table): 'error-verbose' is now seen as simple
21937 * src/reader.c (read_declarations): Remove case tok_include.
21938 (parse_include_decl): Remove.
21939 * src/lex.h (token_t): Remove tok_include.
21940 * src/options.c (option_table): 'include' is now a simple command line
21943 2001-11-28 Marc Autret <autret_m@epita.fr>
21945 * src/bison.simple: Adjust muscle names.
21946 * src/muscle_tab.c (muscle_init): Also rename the muscles.
21947 * src/output.c (prepare): s/_/-/ for the muscles names.
21948 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
21950 2001-11-28 Marc Autret <autret_m@epita.fr>
21952 * src/bison.simple: Fix debug.
21953 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
21955 2001-11-28 Akim Demaille <akim@epita.fr>
21957 * src/LR0.c (shifts_new): New.
21958 (save_shifts, insert_start_shift, augment_automaton): Use it.
21960 2001-11-28 Akim Demaille <akim@epita.fr>
21962 * src/closure.c (closure): `b' and `ruleno' denote the same value:
21965 2001-11-28 Akim Demaille <akim@epita.fr>
21967 * src/closure.c (closure): Instead of looping over word in array
21968 then bits in words, loop over bits in array.
21970 2001-11-28 Akim Demaille <akim@epita.fr>
21972 * src/closure.c (closure): No longer optimize the special case
21973 where all the bits of `ruleset[r]' are set to 0, to make the code
21976 2001-11-28 Akim Demaille <akim@epita.fr>
21978 * src/closure.c (closure): `r' and `c' are new variables, used to
21979 de-obfuscate accesses to RULESET and CORE.
21981 2001-11-28 Akim Demaille <akim@epita.fr>
21983 * src/reduce.c (reduce_print): Use ngettext.
21984 (dump_grammar): Improve the trace accuracy.
21986 2001-11-28 Akim Demaille <akim@epita.fr>
21988 * src/reduce.c (dump_grammar): Don't translate trace messages.
21990 2001-11-28 Akim Demaille <akim@epita.fr>
21992 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
21993 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
21994 as all tags are free'ed afterwards.
21995 From Enrico Scholz.
21997 2001-11-27 Paul Eggert <eggert@twinsun.com>
21999 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
22000 use alloca when we didn't want to, and vice versa.
22002 2001-11-27 Marc Autret <autret_m@epita.fr>
22004 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
22006 * src/output.c (prepare): Remove its update.
22008 2001-11-27 Marc Autret <autret_m@epita.fr>
22010 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
22011 Use %error-verbose.
22013 2001-11-27 Marc Autret <autret_m@epita.fr>
22015 * src/bison.simple: Remove YYERROR_VERBOSE using.
22016 Use %%error_verbose.
22017 (yyparse): Likewise.
22018 * src/output.c (prepare): Give its final value.
22019 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
22020 * src/getargs.h: Add its extern declaration.
22021 * src/getargs.c (error_verbose_flag): New int.
22022 (getargs): Update to catch new case.
22023 * src/options.c (option_table): 'error-verbose' is a new option.
22024 (shortopts): Update.
22026 2001-11-27 Akim Demaille <akim@epita.fr>
22028 * src/system.h: Use intl/libgettext.h.
22029 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
22031 2001-11-27 Akim Demaille <akim@epita.fr>
22033 * tests/torture.at (Exploding the Stack Size with Malloc):
22034 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
22036 2001-11-27 Akim Demaille <akim@epita.fr>
22038 * src/files.c: Include error.h.
22039 Reported by Hans Aberg.
22041 2001-11-26 Marc Autret <autret_m@epita.fr>
22043 * src/reader.c (parse_include_decl): New, not yet implemented.
22044 (read_declarations): Add case tok_include.
22045 * src/getargs.h (include): Add its extern definition.
22046 * src/getargs.c (include): New const char *.
22047 (getargs): Add case '-I'.
22048 * src/options.c (option_table): Add include as command line and
22050 * src/lex.h (token_t): Add tok_include.
22052 2001-11-26 Akim Demaille <akim@epita.fr>
22054 * src/reader.c (readgram): Make sure rules for mid-rule actions
22055 have a lineno equal to that of their host rule.
22056 Reported by Hans Aberg.
22057 * tests/regression.at (Rule Line Numbers): New.
22059 2001-11-26 Akim Demaille <akim@epita.fr>
22061 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
22064 2001-11-26 Akim Demaille <akim@epita.fr>
22066 * src/complain.c, src/complain.h (error): Remove, provided by
22069 2001-11-26 Akim Demaille <akim@epita.fr>
22071 * src/reader.c (read_declarations): Don't abort on tok_illegal,
22072 issue an error message.
22073 * tests/regression.at (Invalid %directive): New.
22074 Reported by Hans Aberg.
22076 2001-11-26 Akim Demaille <akim@epita.fr>
22078 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
22079 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
22081 2001-11-26 Akim Demaille <akim@epita.fr>
22083 * src/conflicts.c (conflicts_print): Don't complain at all when
22084 there are no reduce/reduce conflicts, and as many shift/reduce
22085 conflicts as expected.
22086 * tests/regression.at (%expect right): Adjust.
22088 2001-11-23 Akim Demaille <akim@epita.fr>
22090 * lib/alloca.c: Update, from fileutils.
22092 2001-11-23 Akim Demaille <akim@epita.fr>
22094 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
22096 2001-11-23 Akim Demaille <akim@epita.fr>
22098 * src/system.h: Include alloca.h.
22099 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
22101 2001-11-23 Akim Demaille <akim@epita.fr>
22103 * src/print_graph.c (print_actions): Remove `rule', unused.
22104 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
22105 pacify GCC's signed < unsigned warnings.
22106 * src/closure.c (itemsetsize): Likewise.
22107 * src/reader.c (symbol_list_new): Static.
22109 2001-11-23 Akim Demaille <akim@epita.fr>
22111 Attaching lineno to buckets is stupid, since only one copy of each
22112 symbol is kept, only the line of the first occurrence is kept too.
22114 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
22115 * src/reader.c (rline_allocated): Remove, unused.
22116 (symbol_list): Have a `line' member.
22117 (symbol_list_new): New.
22118 (readgram): Use it.
22119 * src/print.c (print_grammar): Output the rule line numbers.
22120 * tests/regression.at (Solved SR Conflicts)
22121 (Unresolved SR Conflicts): Adjust.
22122 Reported by Hans Aberg.
22124 2001-11-22 Marc Autret <autret_m@epita.fr>
22126 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
22128 2001-11-22 Marc Autret <autret_m@epita.fr>
22130 * src/muscle_tab.c (muscle_init): Remove initialization of
22132 * src/output.c (output_master_parser): Do it here.
22134 2001-11-20 Akim Demaille <akim@epita.fr>
22137 * configure.in (ALL_LINGUAS): Adjust.
22138 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
22139 longer contains strings to translate.
22141 2001-11-19 Akim Demaille <akim@epita.fr>
22143 * src/conflicts.c (conflicts_print): Add a missing \n.
22145 2001-11-19 Akim Demaille <akim@epita.fr>
22147 * src/nullable.c (nullable_print): New.
22148 (set_nullable): Call it when tracing.
22149 Better locality of variables.
22151 2001-11-19 Akim Demaille <akim@epita.fr>
22153 * src/print.c (print_actions): Better locality of variables.
22155 2001-11-19 Akim Demaille <akim@epita.fr>
22157 * src/derives.c (print_derives): Fix and enrich.
22158 * src/closure.c (print_fderives): Likewise.
22160 2001-11-19 Akim Demaille <akim@epita.fr>
22162 * src/closure.c (itemsetend): Remove, replaced with...
22163 (itemsetsize): new.
22165 2001-11-19 Akim Demaille <akim@epita.fr>
22167 * src/LR0.c (kernel_end): Remove, replaced with...
22168 (kernel_size): new.
22170 2001-11-19 Akim Demaille <akim@epita.fr>
22172 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
22175 2001-11-19 Akim Demaille <akim@epita.fr>
22177 * src/closure.c (closure): Use arrays instead of pointers to clarify.
22179 2001-11-19 Akim Demaille <akim@epita.fr>
22181 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
22183 * src/LR0.c: Likewise.
22184 (allocate_itemsets): Use arrays instead of pointers to clarify.
22186 2001-11-19 Akim Demaille <akim@epita.fr>
22188 * src/getargs.c (statistics_flag): Replace with...
22190 (longopts): Accept --trace instead of --statistics.
22191 * src/getargs.h, src/options.c: Adjust.
22192 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
22193 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
22195 2001-11-19 Akim Demaille <akim@epita.fr>
22197 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
22198 pointers to clarify the code.
22199 (save_reductions, save_shifts): Factor common parts of alternatives.
22201 2001-11-19 Akim Demaille <akim@epita.fr>
22203 * src/LR0.c (new_state, get_state): Complete TRACE code.
22204 * src/closure.c: Include `reader.h' to get `tags', needed by the
22206 Rename the conditional DEBUG as TRACE.
22207 Output consistently TRACEs to stderr, not stdout.
22208 * src/derives.c: Likewise.
22209 * src/reduce.c: (inaccessable_symbols): Using if is better style
22211 Use `#if TRACE' instead of `#if 0' for tracing code.
22213 2001-11-19 Akim Demaille <akim@epita.fr>
22215 * src/system.h (LIST_FREE, shortcpy): New.
22216 * src/LR0.c: Use them.
22217 * src/output.c (free_itemsets, free_reductions, free_shifts):
22218 Remove, replaced by LIST_FREE.
22220 2001-11-19 Akim Demaille <akim@epita.fr>
22222 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
22223 (REDUCTIONS_ALLOC): New.
22224 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
22227 2001-11-19 Akim Demaille <akim@epita.fr>
22229 * src/LR0.c (new_state): Complete trace code.
22230 * src/nullable.c (set_nullable): Don't translate traces.
22232 2001-11-19 Akim Demaille <akim@epita.fr>
22234 * src/print_graph.c (print_core): Better locality of variables.
22235 * src/print.c (print_core): Likewise.
22237 2001-11-19 Akim Demaille <akim@epita.fr>
22239 * src/vcg.c: You do the output, so you are responsible of the
22240 handling of VCG syntax, in particular: use quotearg.
22241 * src/print_graph.c: Don't.
22242 (print_actions): Don't output the actions as part of the nodes,
22243 since that's the job of the edges.
22244 (print_state): Don't output by hand: fill the node description,
22245 and ask for its output.
22247 2001-11-19 Akim Demaille <akim@epita.fr>
22249 * src/bison.simple (yyparse): When verbosely reporting an error,
22250 no longer put additional quotes around token names.
22251 * tests/calc.at: Adjust.
22253 2001-11-19 Akim Demaille <akim@epita.fr>
22255 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
22256 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
22257 * src/output.c: Adjust.
22259 2001-11-19 Akim Demaille <akim@epita.fr>
22261 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
22263 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
22265 2001-11-19 Akim Demaille <akim@epita.fr>
22267 * src/gram.h (rule_t): New.
22269 (rrhs, rlhs): Remove, part of state_t.
22270 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
22271 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
22272 * src/reader.c, src/reduce.c: Adjust.
22274 2001-11-19 Akim Demaille <akim@epita.fr>
22276 * src/reader.c (symbols_output): New, extracted from...
22277 (packsymbols): Here.
22280 2001-11-19 Akim Demaille <akim@epita.fr>
22282 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
22283 (maxrhs): this new function.
22285 2001-11-19 Akim Demaille <akim@epita.fr>
22287 * src/lalr.c (F): New macro to access the variable F.
22290 2001-11-19 Akim Demaille <akim@epita.fr>
22292 * src/lalr.h (LA): New macro to access the variable LA.
22293 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
22294 * src/lalr.c: Adjust.
22296 2001-11-19 Akim Demaille <akim@epita.fr>
22298 * src/lalr.c (initialize_LA): Only initialize LA. Let...
22299 (set_state_table): handle the `lookaheads' members.
22301 2001-11-19 Akim Demaille <akim@epita.fr>
22303 * src/lalr.h (lookaheads): Removed array, whose contents is now
22305 (state_t): this structure.
22306 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
22309 2001-11-19 Akim Demaille <akim@epita.fr>
22311 * src/lalr.h (consistent): Removed array, whose contents is now
22313 (state_t): this structure.
22314 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
22317 2001-11-19 Akim Demaille <akim@epita.fr>
22319 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
22320 contents are now members of...
22321 (state_t): this structure.
22322 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
22325 2001-11-19 Akim Demaille <akim@epita.fr>
22327 * src/lalr.h (state_t): New.
22328 (state_table): Be a state_t * instead of a core **.
22329 (accessing_symbol): Remove, part of state_t.
22330 * src/lalr.c: Adjust.
22331 (set_accessing_symbol): Merge into...
22332 (set_state_table): this.
22333 * src/print_graph.c, src/conflicts.c: Adjust.
22335 2001-11-14 Akim Demaille <akim@epita.fr>
22337 * tests/calc.at, tests/output.at, tests/regression.at,
22338 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
22339 now the tests are run in private dirs, therefore AC_CLEANUP and
22340 family can be simplified to 0-ary.
22341 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
22342 use abs. path to find config.h.
22343 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
22344 stderr, there can be way too much random noise.
22345 Instead pass -Werror to GCC and rely on the exit status.
22346 Reported by Wolfram Wagner.
22348 2001-11-14 Akim Demaille <akim@epita.fr>
22350 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
22351 defined only if yyoverflow is defined, to avoid `warning: unused
22353 Reported by The Test Suite.
22355 2001-11-14 Akim Demaille <akim@epita.fr>
22357 * src/print.c: Include reduce.h.
22358 Reported by Hans Aberg.
22360 2001-11-14 Akim Demaille <akim@epita.fr>
22362 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
22363 Revert a previous patch: these are really const.
22364 * src/conflicts.c (conflict_report): Additional useless pair of
22365 braces to pacify GCC's warnings for `if () if () {} else {}'.
22366 * src/lex.c (parse_percent_token): Replace equal_offset with
22369 Be sure to strdup `arg' when used, since there is no reason for
22370 token_buffer not to change.
22372 2001-11-14 Akim Demaille <akim@epita.fr>
22374 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
22376 * src/main.c (main): Use them.
22377 Suggested by Hans Aberg.
22379 2001-11-12 Akim Demaille <akim@epita.fr>
22381 * src/system.h (ngettext): Now that we use ngettext, be sure to
22382 provide a default definition when NLS are not used.
22384 2001-11-12 Akim Demaille <akim@epita.fr>
22386 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
22387 Use @kbd to denote user input.
22388 (Language and Grammar): ANSIfy the example.
22389 Adjust its layout for info/notinfo.
22390 (Location Tracking Calc): Output error messages to stderr.
22391 Output locations in a more GNUtically correct way.
22392 Fix a couple of Englishos.
22393 Adjust @group/@end group pairs.
22395 2001-11-12 Akim Demaille <akim@epita.fr>
22397 %expect was not functioning at all.
22399 * src/conflicts.c (expected_conflicts): Set to -1.
22400 (conflict_report): Use ngettext.
22401 (conflicts_print): Check %expect and make its violation an error.
22402 * doc/bison.texinfo (Expect Decl): Adjust.
22403 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
22404 * tests/regression.at (%expect not enough, %expect right)
22405 (%expect too much): New.
22407 2001-11-12 Akim Demaille <akim@epita.fr>
22409 * tests/regression.at (Conflicts): Rename as...
22410 (Unresolved SR Conflicts): this.
22411 (Solved SR Conflicts): New.
22413 2001-11-12 Akim Demaille <akim@epita.fr>
22415 * src/reduce.c (print_results): Rename as...
22416 (reduce_output): This.
22417 Output to OUT, passed as argument, instead of output_obstack.
22418 (dump_grammar): Likewise.
22419 (reduce_free): New.
22421 (reduce_grammar): No longer call reduce_output, since...
22422 * src/print.c (print_results): do it.
22423 * src/main.c (main): Call reduce_free;
22425 2001-11-12 Akim Demaille <akim@epita.fr>
22427 * src/conflicts.c (print_reductions): Accept OUT as argument.
22428 Output to it, not to output_obstack.
22429 * src/print.c (print_actions): Adjust.
22431 2001-11-12 Akim Demaille <akim@epita.fr>
22433 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
22434 the result instead of using...
22435 (src_total, rrc_total, src_count, rrc_count): Remove.
22436 (any_conflicts): Remove.
22437 (print_conflicts): Split into...
22438 (conflicts_print, conflicts_output): New.
22439 * src/conflicts.h: Adjust.
22440 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
22441 * src/print.c (print_grammar): Issue `\n' between two rules.
22442 * tests/regression.at (Conflicts): New.
22443 Reported by Tom Lane.
22445 2001-11-12 Akim Demaille <akim@epita.fr>
22447 * tests/regression.at (Invalid input): Remove, duplicate with
22448 ``Invalid input: 1''.
22450 2001-11-12 Akim Demaille <akim@epita.fr>
22452 * tests/torture.at (AT_DATA_STACK_TORTURE)
22453 (Exploding the Stack Size with Alloca)
22454 (Exploding the Stack Size with Malloc): New.
22456 2001-11-12 Akim Demaille <akim@epita.fr>
22458 * src/bison.simple (YYSTACK_REALLOC): New.
22459 (yyparse) [!yyoverflow]: Use it and free the old stack.
22460 Reported by Per Allansson.
22462 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
22464 * src/bison.simple: Define type yystype instead of YYSTYPE, and
22465 define CPP macro, which substitute YYSTYPE by yystype.
22466 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
22467 with yyltype/YYLTYPE. This allows inclusion of the generated
22468 header within the parser if the compiler, such as GGC, accepts
22469 multiple equivalent #defines.
22472 2001-11-05 Akim Demaille <akim@epita.fr>
22474 * src/reader.c (symbols_output): New, extracted from...
22475 (packsymbols): here.
22478 2001-11-05 Akim Demaille <akim@epita.fr>
22480 * src/lex.c (parse_percent_token): s/quotearg/quote/.
22482 2001-11-05 Akim Demaille <akim@epita.fr>
22484 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
22487 2001-11-05 Akim Demaille <akim@epita.fr>
22489 * src/options.h (struct option_table_struct): set_flags is void*.
22490 * src/options.c (longopts): Support `--output' and `%output'.
22492 * src/lex.h (tok_setopt): Remove, replaced with...
22493 (tok_intopt, tok_stropt): these new guys.
22494 * src/lex.c (getopt.h): Not needed.
22495 (token_buffer, unlexed_token_buffer): Not const.
22496 (percent_table): Promote `-' over `_' in directive names.
22497 Active `%name-prefix', `file-prefix', and `output'.
22498 (parse_percent_token): Accept possible arguments to directives.
22499 Promote `-' over `_' in directive names.
22501 2001-11-04 Akim Demaille <akim@epita.fr>
22503 * doc/bison.texinfo (Decl Summary): Split the list into
22504 `directives for grammars' and `directives for bison'.
22506 Add description of `%name-prefix', `file-prefix', and `output'.
22507 Promote `-' over `_' in directive names.
22508 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
22509 Simplify the description of `--name-prefix'.
22510 Promote `-' over `_' in directive names.
22511 Promote `--output' over `--output-file'.
22512 Fix the description of `--defines'.
22513 * tests/output.at: Exercise %file-prefix and %output.
22515 2001-11-02 Akim Demaille <akim@epita.fr>
22517 * doc/refcard.tex: Update.
22519 2001-11-02 Akim Demaille <akim@epita.fr>
22521 * src/symtab.h (SUNDEF): New.
22522 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
22523 stand for `uninitialized', instead of 0.
22524 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
22525 * src/lex.c (lex): Adjust.
22527 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
22529 Let yylex return it instead of a plain 0.
22530 Reported by Dick Streefland.
22532 2001-11-02 Akim Demaille <akim@epita.fr>
22534 * tests/regression.at (Mixing %token styles): New test.
22536 2001-11-02 Akim Demaille <akim@epita.fr>
22538 * src/reader.c (parse_thong_decl): Formatting changes.
22539 (token_translations_init): New, extracted from...
22540 (packsymbols): Here.
22543 2001-11-01 Akim Demaille <akim@epita.fr>
22545 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
22546 Check that `9foo.y' produces correct cpp guards.
22547 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
22551 2001-11-01 Akim Demaille <akim@epita.fr>
22553 * tests/regression.at (Invalid input: 2): New.
22554 * src/lex.c (unlexed_token_buffer): New.
22555 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
22559 2001-11-01 Akim Demaille <akim@epita.fr>
22561 * tests/calc.at: Catch up with 1.30.
22562 * configure.in: Bump to 1.49a.
22563 Adjust to newer Autotest.
22565 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
22567 * src/conflicts.c: Move global variables rrc_total and src_total ...
22568 (print_conflicts): here.
22569 * src/output.c (output): Free global variable user_toknums.
22570 * src/lex.c (token_obstack): Become static.
22572 2001-10-18 Akim Demaille <akim@epita.fr>
22574 * tests/atlocal.in (GCC): Add.
22575 * tests/calc.at: s/m4_match/m4_bmatch/.
22576 s/m4_patsubst/m4_bpatsubst/.
22577 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
22578 * configure.in: AC_SUBST(GCC).
22580 2001-10-14 Marc Autret <autret_m@epita.fr>
22582 * src/options.c (create_long_option_table): Fix.
22584 2001-10-10 Akim Demaille <akim@epita.fr>
22586 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
22588 2001-10-04 Akim Demaille <akim@epita.fr>
22590 * src/reader.c (parse_union_decl): Push the caracters in
22591 union_obstack, not attrs_obstack.
22593 2001-10-04 Akim Demaille <akim@epita.fr>
22595 Merge in the branch 1.29.
22597 * src/reader.c (packsymbols): Use a temporary obstack for
22598 `%%tokendef', since output_stack is already used elsewhere.
22600 2001-10-02 Akim Demaille <akim@epita.fr>
22604 2001-10-02 Akim Demaille <akim@epita.fr>
22608 2001-10-02 Akim Demaille <akim@epita.fr>
22610 * tests/regression.at (Invalid CPP headers): New.
22611 From Alexander Belopolsky.
22612 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
22614 2001-10-02 Akim Demaille <akim@epita.fr>
22616 * tests/regression.at (Invalid input): New.
22617 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
22620 2001-10-02 Akim Demaille <akim@epita.fr>
22622 * tests/calc.at: Now that --debug works, the tests must be adjusted.
22624 2001-10-02 Akim Demaille <akim@epita.fr>
22626 * src/output.c (output_parser): Assert `skeleton'.
22627 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
22631 2001-10-01 Marc Autret <autret_m@epita.fr>
22633 * src/lex.h: Echo modifications.
22634 * src/lex.c (unlex): Parameter is now token_t.
22637 2001-10-01 Marc Autret <autret_m@epita.fr>
22639 * src/main.c: Include lex.h.
22642 2001-09-29 Akim Demaille <akim@epita.fr>
22644 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
22646 2001-09-28 Akim Demaille <akim@epita.fr>
22648 * tests/testsuite.at: Update to newer Autotest.
22649 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
22651 2001-09-27 Akim Demaille <akim@epita.fr>
22653 Position independent wrapper.
22655 * tests/bison: Remove.
22656 * tests/bison.in: New.
22657 * configure.in: Adjust.
22659 2001-09-27 Paul Eggert <eggert@twinsun.com>
22661 Port quotearg fixes from tar 1.13.24.
22663 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
22665 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
22666 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
22668 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
22669 * m4/mbrtowc.m4: New file.
22670 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
22671 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
22673 2001-09-27 Akim Demaille <akim@epita.fr>
22677 2001-09-27 Akim Demaille <akim@epita.fr>
22681 2001-09-25 Akim Demaille <akim@epita.fr>
22683 * src/system.h: Include `xalloc.h'.
22684 Remove it from the C files.
22685 * src/files.c (output_files): Free the obstacks.
22686 * src/lex.c (init_lex): Rename as...
22689 * src/main.c (main): Use it.
22691 2001-09-24 Marc Autret <autret_m@epita.fr>
22693 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
22694 to output informations in fout (FILE*).
22695 (open_graph, close_graph): Likewise.
22696 (output_graph, output_edge, output_node): Likewise.
22697 * src/vcg.h: Update function prototypes.
22698 * src/print_graph.c (print_graph): Open output graph file.
22699 (print_actions): Adjust.
22700 * src/files.h: Remove extern declaration.
22701 * src/files.c: Remove graph_obstack declaration.
22702 (open_files): Remove graph_obstack initialization.
22703 (output_files): Remove graph_obstack saving.
22705 2001-09-24 Marc Autret <autret_m@epita.fr>
22707 * src/files.c (compute_output_file_names): Fix.
22709 2001-09-24 Marc Autret <autret_m@epita.fr>,
22710 Akim Demaille <akim@epita.fr>
22712 * src/reader.c (reader): Remove call to free_symtab ().
22713 * src/main.c (main): Call it here.
22715 * src/conflicts.c (initialize_conflicts): Rename as...
22716 (solve_conflicts): this.
22717 * src/print.c (print_core, print_actions, print_state)
22718 (print_grammar): Dump to a file instead a `output_obstack'.
22719 (print_results): Dump `output_obstack', and then proceed with the
22721 * src/files.c (compute_output_file_names, close_files): New.
22722 (output_files): Adjust.
22723 * src/main.c (main): Adjust.
22725 2001-09-23 Marc Autret <autret_m@epita.fr>
22727 * src/files.c (compute_header_macro): Computes header macro name
22728 from spec_defines_file when given.
22730 2001-09-23 Marc Autret <autret_m@epita.fr>
22732 * src/files.c (output_files): Add default extensions.
22734 2001-09-22 Akim Demaille <akim@epita.fr>
22736 * src/conflicts.c (finalize_conflicts): Rename as...
22737 (free_conflicts): this.
22739 2001-09-22 Akim Demaille <akim@epita.fr>
22741 * src/gram.c (gram_free): Rename back as...
22743 (output_token_translations): Free `token_translations'.
22744 * src/symtab.c (free_symtab): Free the tag field.
22746 2001-09-22 Akim Demaille <akim@epita.fr>
22748 Remove `translations' as it is always set to true.
22750 * src/gram.h: Adjust.
22751 * src/reader.c (packsymbols, parse_token_decl): Adjust
22752 * src/print.c (print_grammar): Adjust.
22753 * src/output.c (output_token_translations): Adjust.
22754 * src/lex.c (lex): Adjust.
22755 * src/gram.c: Be sure the set pointers to NULL.
22756 (dummy): Rename as...
22759 2001-09-22 Akim Demaille <akim@epita.fr>
22761 * configure.in: Invoke AM_LIB_DMALLOC.
22762 * src/system.h: Use dmalloc.
22763 * src/LR0.c: Be sure to have pointers initialized to NULL.
22764 (allocate_itemsets): Allocate kernel_items only if needed.
22766 2001-09-22 Akim Demaille <akim@epita.fr>
22768 * configure.in: Bump to 1.29b.
22769 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
22770 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
22771 need xmalloc.c in calc.y.
22774 2001-09-21 Akim Demaille <akim@epita.fr>
22777 * Makefile.maint, config/config.guess, config/config.sub,
22778 * config/missing: Update from masters.
22779 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
22781 * configure.in (ALL_LINGUAS): Add `tr'.
22783 2001-09-21 Akim Demaille <akim@epita.fr>
22785 * tests/Makefile.am (package.m4): Move to...
22786 ($(srcdir)/$(TESTSUITE)): here.
22788 2001-09-20 Akim Demaille <akim@epita.fr>
22790 * src/complain.c: No longer try to be standalone: use system.h.
22791 Don't assume __STDC__ is defined to 1. Just test if it is defined.
22792 * src/complain.h: Likewise.
22793 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
22794 Remove the unused variable `n'.
22795 From Albert Chin-A-Young.
22797 2001-09-18 Marc Autret <autret_m@epita.fr>
22799 * doc/bison.1: Update.
22800 * doc/bison.texinfo (Bison Options): Update --defines and --graph
22802 (Option Cross Key): Update.
22805 2001-09-18 Marc Autret <autret_m@epita.fr>
22807 * tests/regression.at: New test (comment in %union).
22809 2001-09-18 Marc Autret <autret_m@epita.fr>
22811 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
22813 Reported by Keith Browne.
22815 2001-09-18 Marc Autret <autret_m@epita.fr>
22817 * tests/output.at: Add tests for --defines and --graph.
22819 2001-09-18 Marc Autret <autret_m@epita.fr>
22821 * tests/output.at: Removes tests of %{header,src}_extension features.
22823 2001-09-18 Akim Demaille <akim@epita.fr>
22825 * tests/Makefile.am (package.m4): New.
22826 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
22827 (_AT_CHECK_CALC_ERROR): Likewise.
22828 Factor the `, ' part of verbose error messages.
22830 2001-09-18 Marc Autret <autret_m@epita.fr>
22832 * src/getargs.c (longopts): Declare --defines and --graph as options
22833 with optional arguments.
22834 * src/files.h: Add extern declarations.
22835 * src/files.c (spec_graph_file, spec_defines_file): New.
22836 (output_files): Update.
22837 Remove CPP-outed code.
22839 2001-09-18 Marc Autret <autret_m@epita.fr>
22841 Turn off %{source,header}_extension feature.
22843 * src/files.c (compute_exts_from_gf): Update.
22844 (compute_exts_from_src): Update.
22845 (output_files): CPP-out useless code.
22846 * src/files.h: Remove {header,source}_extension extern declarations.
22847 * src/reader.c (parse_dquoted_param): CPP-out.
22848 (parse_header_extension_decl): Remove.
22849 (parse_source_extension_decl): Remove.
22850 (read_declarations): Remove cases tok_{hdrext,srcext}.
22851 * src/lex.c (percent_table): Remove {header,source}_extension entries.
22852 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
22854 2001-09-10 Akim Demaille <akim@epita.fr>
22856 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
22857 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
22858 (AT_CHECK_OUTPUT): this.
22859 Merely check ls' exit status, its output is useless.
22861 2001-09-10 Akim Demaille <akim@epita.fr>
22863 * tests/calc.at: Use m4_match.
22864 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
22866 2001-09-10 Marc Autret <autret_m@epita.fr>,
22867 Akim Demaille <akim@epita.fr>
22869 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
22871 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
22873 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
22874 * src/lex.h: Adjust prototype.
22875 (token_t): Add `tok_undef'.
22876 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
22877 (parse_percent_token): Now returns token_t.
22878 Add default statement in switch.
22879 (lex): Separate `c' as an input variable, from the token_t result
22881 (unlexed): Is a token_t.
22883 2001-09-10 Akim Demaille <akim@epita.fr>
22885 * configure.in: Bump to 1.29a.
22887 2001-09-07 Akim Demaille <akim@epita.fr>
22891 2001-08-30 Akim Demaille <akim@epita.fr>
22893 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
22894 * m4/atconfig.m4: Remove.
22895 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
22896 * tests/bison: New.
22897 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
22898 m4_if, m4_patsubst, and m4_regexp.
22899 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
22900 `input' file instead of echo.
22902 2001-08-29 Akim Demaille <akim@epita.fr>
22906 2001-08-29 Akim Demaille <akim@epita.fr>
22910 2001-08-29 Paul Eggert <eggert@twinsun.com>
22912 * src/bison.simple (yyparse): Don't take the address of an
22913 item before the start of an array, as that doesn't conform to
22916 2001-08-29 Robert Anisko <anisko_r@epita.fr>
22918 * doc/bison.texinfo (Location Tracking Calc): New node.
22920 2001-08-29 Paul Eggert <eggert@twinsun.com>
22922 * src/output.c (output): Do not define const, as this now
22923 causes more problems than it cures.
22925 2001-08-29 Akim Demaille <akim@epita.fr>
22927 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
22929 Be sure to tag the `detailmenu'.
22931 2001-08-29 Akim Demaille <akim@epita.fr>
22933 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
22934 download in a tmp dir.
22936 2001-08-28 Marc Autret <autret_m@epita.fr>
22938 * config/depcomp: New file.
22940 2001-08-28 Marc Autret <autret_m@epita.fr>
22942 * doc/bison.1 (mandoc): Adjust.
22943 From Juan Manuel Guerrero.
22945 2001-08-28 Marc Autret <autret_m@epita.fr>
22947 * src/print_graph.c (print_state): Fix.
22949 2001-08-27 Marc Autret <autret_m@epita.fr>
22951 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
22953 Echo modifications to the functions prototypes.
22954 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
22956 2001-08-27 Marc Autret <autret_m@epita.fr>
22958 * src/vcg.c: Include `xalloc.h'.
22959 (add_colorentry): New.
22960 (add_classname): New.
22961 (add_infoname): New.
22962 * src/vcg.h: Add new prototypes.
22964 2001-08-27 Akim Demaille <akim@epita.fr>
22966 * Makefile.maint: Sync. again with CVS Autoconf.
22968 2001-08-27 Akim Demaille <akim@epita.fr>
22970 * Makefile.maint: Formatting changes.
22971 (po-update, cvs-update, update): New targets.
22974 2001-08-27 Akim Demaille <akim@epita.fr>
22976 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
22977 * Makefile.maint: Sync. with CVS Autoconf.
22979 2001-08-27 Marc Autret <autret_m@epita.fr>
22981 * src/vcg.h (struct infoname_s): New.
22982 (struct colorentry_s): New.
22983 (graph_s): New fields {vertical,horizontal}_order in structure.
22984 Add `infoname' field.
22985 Add `colorentry' field;
22986 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
22987 (G_HORIZONTAL_ORDER): New.
22989 (G_COLORENTRY): New.
22990 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
22991 Add output of `infoname'.
22992 Add output of `colorentry'.
22994 2001-08-27 Marc Autret <autret_m@epita.fr>
22996 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
22997 This one shadowed a global parameter.
22999 2001-08-24 Marc Autret <autret_m@epita.fr>
23001 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
23002 instead of `unsigned'.
23003 (print_state): Do not call obstack_object_size () in obstack_grow ()
23004 to avoid macro variables shadowing.
23006 2001-08-23 Marc Autret <autret_m@epita.fr>
23008 * src/lex.c (percent_table): Typo: s/naem/name/.
23010 Normalize new options declarations.
23012 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
23014 * tests/suite.at: Exercise %header_extension and %source_extension.
23016 2001-08-16 Marc Autret <autret_m@epita.fr>
23018 * src/reader.c (parse_dquoted_param): New.
23019 (parse_header_extension_decl): Use it.
23020 (parse_source_extension_decl): Likewise.
23022 2001-08-16 Marc Autret <autret_m@epita.fr>
23024 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
23025 (get_xxxx_str): Use assert () instead of complain ().
23026 Remove return invokations in default cases.
23027 (get_decision_str): Modify default behaviour. Remove second argument.
23028 Echo modifications on calls.
23029 (output_graph): Fix.
23031 2001-08-16 Marc Autret <autret_m@epita.fr>
23033 * src/getargs.c (usage): Update with ``-g, --graph''.
23035 2001-08-16 Marc Autret <autret_m@epita.fr>
23037 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
23038 (Option Cross Key): Likewise.
23039 * doc/bison.1: Update.
23041 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
23043 * src/output.c (output_master_parser): Don't finish action_obstack.
23044 (output_parser): Don't care about the muscle action, here.
23045 (prepare): Copy the action_obstack in the action muscle.
23046 (output): Free action_obstack.
23048 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
23050 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
23051 will contain `%union' declaration.
23052 (parse_union_decl): Delete #line directive output.
23053 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
23054 informations about %union.
23055 (parse_union_decl): Copy the union_obstack in the muscle stype.
23056 * src/bison.simple: Add new #line directive.
23057 Add typdef %%stype YYSTYPE.
23059 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
23061 * src/bison.simple: Add new `#line' directive.
23063 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
23065 * src/bison.simple: New `#line' directive.
23066 * src/output.c (output_parser): Support new dynamic muscle input_line.
23068 2001-09-22 Marc Autret <autret_m@epita.fr>
23070 * src/output.c (output_master_parser): New.
23071 (output_parser): Be more re-entrant.
23073 2001-09-21 Marc Autret <autret_m@epita.fr>
23075 * src/reader.c (copy_definition, parse_union_decl): Update and use
23077 (copy_action): Likewise.
23078 Use obstack_1grow ().
23079 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
23081 2001-09-21 Marc Autret <autret_m@epita.fr>
23083 * src/options.c (option_table): Adjust.
23084 * src/lex.c (parse_percent_token): Fix.
23086 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
23088 * src/options.c (symtab.h): Include it, need by lex.h.
23090 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
23092 * src/lex.c (parse_percent_token): Change type of variable `tx', which
23093 is now an option_table_struct*.
23094 (option_strcmp): New function option_strcmp.
23095 (parse_percent_token): Call option_strcmp.
23096 * src/getargs.c (xalloc.h, options.h): Include it.
23097 (getargs): Call create_long_option_table.
23098 (getargs): Free longopts at the end of the function.
23099 (shortopts): Move in options.c.
23100 * src/options.c (create_long_option_table): New function. Convert
23101 information from option_table to option structure.
23102 * src/reader.c (options.h): Include it.
23104 * src/Makefile.am: Adjust.
23105 * src/options.c (option_table): Create from longopts and percent_table.
23106 * src/getargs.c (longopts): Delete.
23107 * src/lex.c (struct percent_table_struct): Delete.
23108 (percent_table): Delete.
23109 (options.h): Include it.
23110 * src/options.c: Create.
23111 * src/options.h: Create.
23112 Declare enum opt_access_e.
23113 Define struct option_table_struct.
23115 2001-09-20 Marc Autret <autret_m@epita.fr>
23117 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
23120 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
23122 * src/bison.simple: s/%%filename/%%skeleton.
23123 * src/muscle_tab.c (getargs.h): Include it.
23124 (muscle_init): Insert new muscle skeleton.
23126 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
23128 * src/output.c (output_parser): Delete unused variable actions_dumped.
23130 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
23132 * src/output.c (output): Delete call to reader_output_yylsp.
23133 * src/reader.c (reader): Likewise.
23134 * src/reader.h: Delete declaration of reader_output_yylsp.
23136 2001-09-02 Marc Autret <autret_m@epita.fr>
23138 * src/reader.c: Include muscle_tab.h.
23139 (parse_union_decl): Update.
23140 (parse_macro_decl): Rename parse_muscle_decl.
23141 Update to use renamed functions and variable.
23142 (read_declarations, copy_action, read_additionnal_code, : Updated
23143 with correct variables and functions names.
23144 (packsymbols, reader): Likewise.
23146 * src/reader.h (muscle_obstack): Extern declaration update.
23148 * src/output.c: Include muscle_tab.h
23149 In all functions using macro_insert, change by using muscle_insert ().
23150 (macro_obstack): Rename muscle_obstack.
23151 Echo modifications in the whole file.
23152 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
23153 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
23154 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
23156 * src/muscle_tab.h: Update double inclusion macros.
23157 (macro_entry_s): Rename muscle_entry_s.
23160 * src/muscle_tab.c: Include muscle_tab.h.
23161 Rename macro_tabble to muscle_table.
23162 (mhash1, mhash2, mcmp): Use muscle_entry.
23163 (macro_init): Rename muscle_init. Update.
23164 (macro_insert): Rename muscle_insert. Update.
23165 (macro_find): Rename muscle_find. Update.
23167 * src/main.c: Include muscle_tab.h.
23168 (main): Call muscle_init ().
23169 * src/Makefile.am (bison_SOURCES): Echo modifications.
23171 2001-09-02 Marc Autret <autret_m@epita.fr>
23173 Now the files macro_tab.[ch] are named muscle_tab.[ch].
23175 * src/muscle_tab.c, src/muscle_tab.h: Add files.
23177 2001-09-02 Marc Autret <autret_m@epita.fr>
23179 * src/macrotab.c, src/macrotab.h: Remove.
23181 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
23183 * src/reader.c (copy_guard): Use muscle to specify the `#line'
23186 2001-09-01 Marc Autret <autret_m@epita.fr>
23188 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
23189 to an explicit value to activate the feature. We do it here.
23191 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
23193 * src/output.c (prepare): Delete the `filename' muscule insertion.
23194 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
23195 (parse_union_decl): Likewise.
23196 * src/macrotab.c (macro_init): Initialize filename by infile.
23198 2001-08-31 Marc Autret <autret_m@epita.fr>
23200 * src/bison.simple (YYLSP_NEEDED): New definition.
23201 * src/output.c (prepare): Add macro insertion of `locations_flag'
23203 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
23205 * src/output.c (prepare): Delete insertion of previous muscles,
23206 and insert the `prefix' muscles.
23207 * src/macrotab.c (macro_init): Likewise.
23208 (macro_init): Initialization prefix directive by `yy'.
23209 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
23210 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
23211 yylval, yydebug, yyerror, yynerrs and yyparse.
23212 New directive `#define' to substitute yydebug, ... with option
23215 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
23217 * src/main.c (main): Standardize.
23218 * src/output.c (output_table_data, output_parser): Likewise.
23219 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
23221 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
23223 * src/reader.c (read_additionnal_code): Rename %%user_code to
23225 * src/output.c (output): Rename %%declarations to %%prologue.
23226 * src/bison.simple: Echo modifications.
23228 2001-08-31 Marc Autret <autret_m@epita.fr>
23230 * src/reader.c (readgram): CleanUp.
23231 (output_token_defines): Likewise.
23232 (packsymbols): Likewise.
23233 (reader): Likewise.
23234 * src/output.c (output): CPP-out useless code.
23236 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
23238 * src/reader.c (reader): Delete obsolete call to function
23239 output_trailers and output_headers.
23240 * src/output.h: Remove obsolete functions prototypes of output_headers
23241 and output_trailers.
23243 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
23245 * src/main.c: Include macrotab.h.
23246 * src/macrotab.h (macro_entry_s): Constify fields.
23247 Adjust functions prototypes.
23248 * src/macrotab.c (macro_insert): Constify key and value.
23249 (macro_find): Constify key.
23250 (macro_insert): Include 'xalloc.h'
23251 (macro_insert): Use XMALLOC.
23252 (macro_find): Constify return value.
23253 * src/output.c (output_table_data): Rename table to table_data.
23254 (output_parser): Constify macro_key, macro_value.
23256 2001-08-30 Marc Autret <autret_m@epita.fr>
23258 * src/reader.c (parse_skel_decl): New.
23259 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
23260 * src/lex.h (token_t): New token `tok_skel'.
23261 * src/lex.c (percent_table): Add skeleton option entry.
23264 2001-08-29 Marc Autret <autret_m@epita.fr>
23266 * src/bison.simple: Add %%user_code directive at the end.
23267 * src/reader.c (read_additionnal_code): New.
23269 * src/output.c (output_program): Remove.
23272 2001-08-28 Marc Autret <autret_m@epita.fr>
23274 * src/output.c (output_actions): Clean up.
23275 (output_gram): CPP-out useless code.
23276 * src/reader.c (reader): Clean up, CPP-out useless code.
23278 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
23280 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
23282 * src/bison.simple: Add `%%definitions'.
23284 2001-08-28 Marc Autret <autret_m@epita.fr>
23286 * config/depcomp: New file.
23288 2001-08-27 Paul Eggert <eggert@twinsun.com>
23290 * src/bison.simple (yyparse): Don't take the address of an
23291 item before the start of an array, as that doesn't conform to
23294 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
23296 * src/output.c (output): Remove the initialization of the macro
23297 obstack. It was done too late here.
23299 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
23301 (reader): Initialize the macro obstack here, since we need it to grow
23302 '%define' directives.
23304 * src/reader.h: Declare the macro obstack as extern.
23306 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
23308 * src/output.c (output_parser): Fix. Store single '%' characters in
23309 the output obstack instead of throwing them away.
23311 2001-08-27 Akim Demaille <akim@epita.fr>
23313 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
23315 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23317 * lib/Makefile.am: Adjust.
23319 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23321 * src/bison.simple: Update and add '%%' directives.
23323 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23325 * src/reader.c (reader): Remove calls to 'output_headers' and
23326 'output_trailers'. Remove some C output.
23327 (readgram): Disable a piece of code that was writing a default
23328 definition for 'YYSTYPE'.
23329 (reader_output_yylsp): Remove.
23330 (packsymbols): Output token defintions to a macro.
23331 (copy_definition): Disable C output.
23333 * src/reader.c (parse_macro_decl): New function used to parse macro
23335 (copy_string2): Put the body of copy_string into this new function.
23336 Add a parameter to let the caller choose whether he wants to copy the
23337 string delimiters or not.
23338 (copy_string): Be a simple call to copy_string2 with the last argument
23340 (read_declarations): Add case for macro definition.
23341 (copy_identifier): New.
23342 (parse_macro_decl): Read macro identifiers using copy_identifier
23345 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23347 * src/output.c (prepare): Add prefixed names.
23348 (output_parser): Output semantic actions.
23349 (output_parser): Fix bug on '%%line' directives.
23351 * src/output.c (output_headers): Remove. The C code printed by this
23352 function should now be in the skeletons.
23353 (output_trailers): Remove.
23354 (output): Disable call to 'reader_output_yylsp'.
23355 (output_rule_data): Do not output tables to the table obstack.
23357 * src/output.c: Remove some C dedicated output.
23358 Improve the use of macro and output obstacks.
23359 (output_defines): Remove.
23361 * src/output.c (output_token_translations): Associate 'translate'
23362 table with a macro. No output to the table obstack.
23363 (output_gram): Same for 'rhs' and 'prhs'.
23364 (output_stos): Same for 'stos'.
23365 (output_rule_data): Same for 'r1' and 'r2'.
23366 (token_actions): Same for 'defact'.
23367 (goto_actions): Same for 'defgoto'.
23368 (output_base): Same for 'pact' and 'pgoto'.
23369 (output_table): Same for 'table'.
23370 (output_check): Same for 'check'.
23372 * src/output.c (output_table_data): New function.
23373 (output_short_table): Remove.
23374 (output_short_or_char_table): Remove.
23376 * src/output.c (output_parser): Replace most of the skeleton copy code
23377 with something new. Skeletons are now processed character by character
23378 rather than line by line, and Bison looks for '%%' macros. This is the
23379 first step in making Bison's output process (a lot) more flexible.
23380 (output_parser): Use the macro table.
23382 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23384 * src/main.c (main): Initialize the macro table.
23386 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23388 * src/lex.c (percent_table): Add tok_define.
23389 * src/lex.h: Add tok_define.
23391 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23393 * src/macrotab.c: New file.
23394 * src/macrotab.h: New file.
23395 * src/Makefile.am: Update.
23397 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
23399 * lib/hash.c: New file.
23400 * lib/hash.h: New file.
23401 * lib/Makefile.am: Update.
23403 2001-08-15 Akim Demaille <akim@epita.fr>
23407 2001-08-15 Marc Autret <autret_m@epita.fr>
23409 * src/reader.c (readgram): Indent output macro YYSTYPE.
23410 (packsymbols): Likewise.
23411 (output_token_defines): Likewise.
23412 * src/files.c: Standardize.
23413 (compute_header_macro): New.
23414 (defines_obstack_save): New. Use compute_header_macro.
23415 (output_files): Update. Use defines_obstack_save.
23417 2001-08-15 Akim Demaille <akim@epita.fr>
23419 * doc/bison.texinfo (Table of Symbols): Document
23420 YYSTACK_USE_ALLOCA.
23422 2001-08-15 Akim Demaille <akim@epita.fr>
23424 * missing: Update from CVS Automake.
23425 * config/config.guess, config/config.sub, config/texinfo.tex:
23426 Update from gnu.org.
23428 2001-08-15 Akim Demaille <akim@epita.fr>
23430 * Makefile.maint: Sync with CVS Autoconf.
23432 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
23434 * doc/bison.texinfo: Include GNU Free Documentation License from
23436 * doc/fdl.texi: Add to package.
23438 2001-08-14 Marc Autret <autret_m@epita.fr>
23440 Turn on %{source,header}_extension features.
23442 * src/lex.c (percent_table): Un-CPP out header_extension and
23444 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
23445 (compute_exts_from_src): Remove conditions. It restores priorities
23448 2001-08-14 Marc Autret <autret_m@epita.fr>
23450 * src/files.c (compute_base_names): Add extensions computing when
23451 `--file-prefix' used.
23452 Standardize function calls.
23454 2001-08-13 Marc Autret <autret_m@epita.fr>
23456 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
23457 defining it (defined but null disables alloca).
23459 2001-08-13 Marc Autret <autret_m@epita.fr>
23461 * src/bison.simple (_yy_memcpy): CPP reformat.
23463 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
23465 * tests/atconfig.in (CPPFLAGS): Fix.
23467 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
23469 * doc/bison.texinfo: Include GNU General Public License from
23471 * doc/gpl.texi: Add to package.
23473 2001-08-10 Marc Autret <autret_m@epita.fr>
23475 * src/print_graph.h: Fix.
23476 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
23478 2001-08-10 Akim Demaille <akim@epita.fr>
23480 * src/system.h: Provide default declarations for stpcpy, strndup,
23483 2001-08-10 Robert Anisko <anisko_r@epita.fr>
23485 * doc/bison.texinfo (Locations): Update @$ stuff.
23487 2001-08-09 Robert Anisko <anisko_r@epita.fr>
23489 * src/bison.simple (YYLLOC_DEFAULT): Update.
23492 2001-08-08 Marc Autret <autret_m@epita.fr>
23494 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
23495 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
23496 Reported by Fabrice Bauzac.
23498 2001-08-08 Marc Autret <autret_m@epita.fr>
23500 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
23501 * src/vcg.c (output_node): Fix.
23502 * src/vcg.h: Cleanup.
23503 * src/print_graph.c: Add comments.
23504 (node_output_size): New global variable. Simplify the formatting of
23505 the VCG graph output.
23506 (print_actions): Unused code is now used. It notifies the final state
23507 and no action states in the VCG graph. It also give the reduce actions.
23508 The `shift and goto' edges are red and the `go to state' edges are
23510 Get the current node name and node_obstack by argument.
23511 (node_obstack): New variable.
23512 (print_state): Manage node_obstack.
23513 (print_core): Use node_obstack given by argument.
23514 A node is not only computed here but in print_actions also.
23515 (print_graph): CPP out useless code instead of commenting it.
23517 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
23519 * tests/atconfig.in (CPPFLAGS): Fix.
23521 2001-08-07 Akim Demaille <akim@epita.fr>
23523 * src/print_graph.c (quote): New.
23524 (print_core): Use it.
23526 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
23528 * src/vcg.c (complain.h): Include it.
23529 Unepitaize `return' invocations.
23530 [NDEBUG] (main): Remove.
23531 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
23532 * src/files.c (open_files): Initialize graph_obstack.
23533 * src/print_graph.c (print_actions): CPP out useless code.
23534 (print_core): Don't output the last `\n' in labels.
23536 * src/files.c (output_files): Output the VCG file.
23537 * src/main.c (main): Invoke print_graph ();
23539 2001-08-06 Marc Autret <autret_m@epita.fr>
23541 Automaton VCG graph output.
23542 Using option ``-g'' or long option ``--graph'', you can generate
23543 a gram_filename.vcg file containing a VCG description of the LALR (1)
23544 automaton of your grammar.
23546 * src/main.c: Call to print_graph() function.
23547 * src/getargs.h: Update.
23548 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
23549 (graph_flag): New flag.
23550 (longopts): Update.
23551 (getargs): Add case `g'.
23552 * src/files.c (graph_obstack): New obstack struct.
23553 (open_files): Initialize new obstack.
23554 (output_files): Saves graph_obstack if required.
23555 * src/files.h (graph_obstack): New extern declaration.
23556 * src/Makefile.am: Add new source files.
23558 2001-08-06 Marc Autret <autret_m@epita.fr>
23560 * src/print_graph.c, src/print_graph.h (graph): New.
23561 * src/vcg.h: New file.
23562 * src/vcg.c: New file, VCG graph handling.
23564 2001-08-06 Marc Autret <autret_m@epita.fr>
23566 Add of %source_extension and %header_extension which specify
23567 the source or/and the header output file extension.
23569 * src/files.c (compute_base_names): Remove initialisation of
23570 src_extension and header_extension.
23571 (compute_exts_from_gf): Update.
23572 (compute_exts_from_src): Update.
23573 (output_files): Update.
23574 * src/reader.c (parse_header_extension_decl): New.
23575 (parse_source_extension_decl): New.
23576 (read_declarations): New case statements for the new tokens.
23577 * src/lex.c (percent_table): Add entries for %source_extension
23578 and %header_extension.
23579 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
23581 2001-08-06 Marc Autret <autret_m@epita.fr>
23583 * configure.in: Bump to 1.28c.
23584 * doc/bison.texinfo: Texinfo thingies.
23586 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
23588 * tests/atconfig.in (CPPFLAGS): Add.
23589 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
23591 2001-08-03 Akim Demaille <akim@epita.fr>
23595 2001-08-03 Akim Demaille <akim@epita.fr>
23597 * tests/Makefile.am (check-local): Ship testsuite.
23598 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
23599 Include `string.h'.
23601 2001-08-03 Akim Demaille <akim@epita.fr>
23603 * configure.in: Try using -Wformat when compiling.
23605 2001-08-03 Akim Demaille <akim@epita.fr>
23607 * configure.in: Bump to 1.28b.
23609 2001-08-03 Akim Demaille <akim@epita.fr>
23611 * src/complain.c: Adjust strerror_r portability issues.
23613 2001-08-03 Akim Demaille <akim@epita.fr>
23617 2001-08-03 Akim Demaille <akim@epita.fr>
23619 * src/getargs.c, src/getarg.h (skeleton)): Constify.
23620 * src/lex.c (literalchar): Avoid name clashes on `buf'.
23621 * src/getargs.c: Include complain.h.
23622 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
23623 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
23625 2001-08-03 Akim Demaille <akim@epita.fr>
23627 * src/reader.c (readgram): Display hidden chars in error messages.
23629 2001-08-03 Akim Demaille <akim@epita.fr>
23631 Update to gettext 0.10.39.
23633 2001-08-03 Akim Demaille <akim@epita.fr>
23635 * lib/strspn.c: New.
23637 2001-08-01 Marc Autret <autret_m@epita.fr>
23639 * doc/bison.texinfo: Update.
23640 * doc/bison.1 (mandoc): Update.
23641 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
23642 * src/files.c: Support output files extensions computing.
23643 (src_extension): New static variable.
23644 (header_extension): New static variable.
23645 (tr): New function.
23646 (get_extension_index): New function, gets the index of an extension
23647 filename in a string.
23648 (compute_exts_from_gf): New function, computes extensions from the
23649 grammar file extension.
23650 (compute_exts_from_src): New functions, computes extensions from the
23651 C source file extension, file given by ``-o'' option.
23652 (compute_base_names): Update.
23653 (output_files): Update.
23655 2001-08-01 Robert Anisko <anisko_r@epita.fr>
23657 * doc/bison.texi: Document @$.
23658 (Locations): New section.
23660 2001-07-18 Akim Demaille <akim@epita.fr>
23662 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
23663 * config/prev-version.txt, config/move-if-change: New.
23664 * Makefile.am: Adjust.
23666 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
23668 * src/bison.simple (yyparse): Suppress warning `comparaison
23669 between signed and unsigned'.
23671 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
23673 * src/getargs.h (raw_flag): Remove.
23674 * src/getargs.c: Die on `-r'/`--raw'.
23675 * src/lex.c (parse_percent_token): Die on `%raw'.
23676 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
23677 * tests/calc.at: Suppress test with option `--raw'.
23679 2001-07-14 Akim Demaille <akim@epita.fr>
23682 * configure.in: Require Autoconf 2.50.
23683 Update to gettext 0.10.38.
23685 2001-03-16 Akim Demaille <akim@epita.fr>
23687 * doc/bison.texinfo: ANSIfy the examples.
23689 2001-03-16 Akim Demaille <akim@epita.fr>
23691 * getargs.c (skeleton): New variable.
23692 (longopts): --skeleton is a new option.
23693 (shortopts, getargs): -S is a new option.
23694 * getargs.h: Declare skeleton.
23695 * output.c (output_parser): Use it.
23697 2001-03-16 Akim Demaille <akim@epita.fr>
23699 * m4/strerror_r.m4: New.
23700 * m4/error.m4: Run AC_FUNC_STRERROR_R.
23701 * lib/error.h, lib/error.c: Update.
23703 2001-03-16 Akim Demaille <akim@epita.fr>
23705 * src/getargs.c (longopts): Clean up.
23707 2001-02-21 Akim Demaille <akim@epita.fr>
23709 * src/reader.c (gensym): `gensym_count' is your own.
23710 Use a static buf to create the symbol name, as token_buffer is no
23713 2001-02-08 Akim Demaille <akim@epita.fr>
23715 * src/conflicts.c (conflict_report): Be sure not to append to res
23716 between two calls, which could happen if both first sprintf were
23717 skipped, but not the first cp += strlen.
23719 2001-02-08 Akim Demaille <akim@epita.fr>
23721 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
23722 New, from fileutils 4.0.37.
23723 * configure.in: Require Autoconf 2.49c. I took some time before
23724 making this decision. This is the only way out for portability
23725 issues in Bison, it would mean way too much duplicate effort to
23726 import in Bison features implemented in 2.49c since 2.13.
23727 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
23729 2001-02-02 Akim Demaille <akim@epita.fr>
23731 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
23732 * lib/xalloc.h, lib/xmalloc.c: Update.
23734 2001-01-19 Akim Demaille <akim@epita.fr>
23736 Get rid of the ad hoc handling of token_buffer in the scanner: use
23739 * src/lex.c (token_obstack): New.
23740 (init_lex): Initialize it. No longer call...
23741 (grow_token_buffer): this. Remove it.
23742 Adjust all the places which used it to use the obstack.
23744 2001-01-19 Akim Demaille <akim@epita.fr>
23746 * src/lex.h: Rename all the tokens:
23747 s/\bENDFILE\b/tok_eof/g;
23748 s/\bIDENTIFIER\b/tok_identifier/g;
23750 Let them be enums, not #define, to ease debugging.
23751 Adjust all the code.
23753 2001-01-18 Akim Demaille <akim@epita.fr>
23755 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
23756 * src/lex.c (maxtoken, grow_token_buffer): Static.
23758 2001-01-18 Akim Demaille <akim@epita.fr>
23760 Since we now use obstacks, more % directives can be enabled.
23762 * src/lex.c (percent_table): Also accept `%yacc',
23763 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
23765 Handle the actions for `%semantic_parser' and `%pure_parser' here,
23766 instead of returning a token.
23767 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
23768 * src/reader.c (read_declarations): Adjust.
23769 * src/files.c (open_files): Don't call `compute_base_names', don't
23770 compute `attrsfile' since they depend upon data which might be
23771 *in* the input file now.
23772 (output_files): Do it here.
23773 * src/output.c (output_headers): Document the fact that this patch
23774 introduces a guaranteed SEGV for semantic parsers.
23775 * doc/bison.texinfo: Document them.
23776 * tests/suite.at: Exercise these %options.
23778 2000-12-20 Akim Demaille <akim@epita.fr>
23780 Also handle the output file (--verbose) with obstacks.
23782 * files.c (foutput): Remove.
23783 (output_obstack): New.
23784 Adjust all dependencies.
23785 * src/conflicts.c: Return a string.
23786 * src/system.h (obstack_grow_string): Rename as...
23787 (obstack_sgrow): this. Be ready to work with non literals.
23788 (obstack_fgrow4): New.
23790 2000-12-20 Akim Demaille <akim@epita.fr>
23792 * src/files.c (open_files): Fix the computation of short_base_name
23793 in the case of `-o foo.tab.c'.
23795 2000-12-20 Akim Demaille <akim@epita.fr>
23797 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
23798 (copy_dollar): Now that everything uses obstacks, get rid of the
23801 2000-12-20 Akim Demaille <akim@epita.fr>
23803 * src/files.c (open_files): Actually the `.output' file is based
23804 on the short_base_name, not base_name.
23805 * tests/suite.at (Checking output file names): Adjust.
23807 2000-12-20 Akim Demaille <akim@epita.fr>
23809 * src/bison.s1: Remove, we now use directly...
23810 * src/bison.simple: this.
23811 * src/Makefile.am: Use pkgdata instead of data.
23813 2000-12-20 Akim Demaille <akim@epita.fr>
23815 * src/files.c (guard_obstack): New.
23816 (open_files): Initialize it.
23817 (output_files): Dump it...
23818 * src/files.h: Export it.
23819 * src/reader.c (copy_guard): Use it.
23821 2000-12-19 Akim Demaille <akim@epita.fr>
23823 * src/files.c (outfile, defsfile, actfile): Removed as global
23825 (open_files): Don't compute them.
23826 (output_files): Adjust.
23827 (base_name, short_base_name): Be global.
23828 Adjust dependencies.
23830 2000-12-19 Akim Demaille <akim@epita.fr>
23832 * src/files.c (strsuffix): New.
23833 (stringappend): Be just like strcat but allocate.
23834 (base_names): Eve out from open_files.
23835 Try to simplify the rather hairy computation of base_name and
23837 (open_files): Use it.
23838 * tests/suite.at (Checking output file names): New test.
23840 2000-12-19 Akim Demaille <akim@epita.fr>
23842 * src/system.h (obstack_grow_literal_string): Rename as...
23843 (obstack_grow_string): this.
23844 * src/output.c (output_parser): Recognize `%% actions' instead of
23846 * src/bison.s1: s/$/%% actions/.
23847 * src/bison.hairy: Likewise.
23849 2000-12-19 Akim Demaille <akim@epita.fr>
23851 * src/output.c (output_parser): Compute the `#line' lines when
23853 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
23854 Suggested by Hans Aberg.
23856 2000-12-19 Akim Demaille <akim@epita.fr>
23858 Let the handling of the skeleton files be local to the procedures
23861 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
23863 (fparser, open_extra_files): Remove.
23864 (open_files, output_files): Don't take care of fparser.
23865 * src/files.h: Adjust.
23866 * src/output.c (output_parser): Open and close the file to the
23868 * src/reader.c (read_declarations): When %semantic_parser, open
23871 2000-12-19 Akim Demaille <akim@epita.fr>
23873 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
23874 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
23876 2000-12-19 Akim Demaille <akim@epita.fr>
23878 * src/files.c (open_files): Yipee! We no longer need all the code
23879 looking for `/tmp' since we have no tmp file.
23881 2000-12-19 Akim Demaille <akim@epita.fr>
23883 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
23885 * src/files.c (open_files): Less dependency on MSDOS etc.
23887 2000-12-14 Akim Demaille <akim@epita.fr>
23889 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
23890 Provide a default definition.
23891 Use it when executing the default @ action.
23892 * src/reader.c (reader_output_yylsp): No longer include
23893 `timestamp' and `text' in the default YYLTYPE.
23895 2000-12-12 Akim Demaille <akim@epita.fr>
23897 * src/reader.c (copy_definition, parse_union_decl, copy_action)
23898 (copy_guard): Quote the file names.
23899 Reported by Laurent Mascherpa.
23901 2000-12-12 Akim Demaille <akim@epita.fr>
23903 * src/output.c (output_headers, output_program, output): Be sure
23904 to escape special characters when outputting filenames.
23905 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
23906 (output_headers): Don't depend on them, Use ACTSTR.
23908 2000-11-17 Akim Demaille <akim@epita.fr>
23910 * lib/obstack.h: Formatting changes.
23911 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
23912 prevents type checking.
23913 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
23914 cast the value to (void *): assigning a `foo *' to a `void *'
23916 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
23917 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
23920 2000-11-17 Akim Demaille <akim@epita.fr>
23922 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
23924 (suite.m4, regression.m4, calc.m4): these.
23925 * tests/atgeneral.m4: Update from CVS Autoconf.
23927 2000-11-17 Akim Demaille <akim@epita.fr>
23929 * tests/regression.m4 (%union and --defines): New test,
23930 demonstrating a current bug in the obstack implementation.
23932 2000-11-17 Akim Demaille <akim@epita.fr>
23934 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
23936 Use them to declare the variables which are global or local to
23939 2000-11-17 Akim Demaille <akim@epita.fr>
23941 * acconfig.h: Remove, no longer used.
23943 2000-11-07 Akim Demaille <akim@epita.fr>
23945 * src: s/Copyright (C)/Copyright/g.
23947 2000-11-07 Akim Demaille <akim@epita.fr>
23949 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
23951 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
23953 2000-11-07 Akim Demaille <akim@epita.fr>
23955 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
23956 Merge in a single CPP if/else.
23958 2000-11-07 Akim Demaille <akim@epita.fr>
23960 * src/output.c (output): Remove useless variables.
23961 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
23962 argument `data' for consistency with the prototypes.
23963 Qualify it `const'.
23964 (obstack_copy, obstack_copy0): Rename the second argument as
23965 `address' for consistency. Qualify it `const'.
23966 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
23967 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
23968 `const' their input argument (`data' or `address').
23969 Adjust the corresponding macros to include `const' in casts.
23971 2000-11-03 Akim Demaille <akim@epita.fr>
23973 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
23974 s/PFILE1/BISON_HAIRY/.
23975 Adjust dependencies.
23977 2000-11-03 Akim Demaille <akim@epita.fr>
23979 For some reason, this was not applied.
23981 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
23982 `unlink': it's no longer used.
23984 2000-11-03 Akim Demaille <akim@epita.fr>
23986 * src/files.c (skeleton_find): New function, eved out of...
23987 (open_files, open_extra_files): here.
23989 2000-11-03 Akim Demaille <akim@epita.fr>
23991 Don't use `atexit'.
23993 * src/files.c (obstack_save): New function.
23994 (done): Rename as...
23995 (output_files): this.
23996 Use `obstack_save'.
23997 * src/main.c (main): Don't use `atexit' to register `done', since
23998 it no longer has to remove tmp files, just call `output_files'
23999 when there are no errors.
24001 2000-11-02 Akim Demaille <akim@epita.fr>
24003 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
24004 `unlink': it's no longer used.
24005 * src/files.h: Formatting changes.
24007 2000-11-02 Akim Demaille <akim@epita.fr>
24009 Remove the last uses of mktemp and unlink/delete.
24011 * src/files.c (fdefines, ftable): Removed.
24012 (defines_ostack, table_obstack): New.
24013 Adjust dependencies of the former into uses of the latter.
24014 * src/output.c (output_short_or_char_table, output_short_table):
24015 Convert to using obstacks.
24016 * src/reader.c (copy_comment2): Accept one FILE * and two
24018 (output_token_defines, reader_output_yylsp): Use obstacks.
24019 * src/system.h (obstack_fgrow3): New.
24020 * po/POTFILES.in: Adjust.
24022 2000-11-01 Akim Demaille <akim@epita.fr>
24024 Change each use of `fattrs' into a use of `attrs_obstack'.
24026 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
24027 * src/files.c (fattrs): Remove.
24028 (attrs_obstack): New.
24029 Adjust all dependencies.
24030 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
24032 2000-11-01 Akim Demaille <akim@epita.fr>
24034 Introduce obstacks.
24035 Change each use of `faction' into a use of `action_obstack'.
24037 * lib/obstack.h, lib/obstack.c: New files.
24038 * src/files.c (faction): Remove.
24039 (action_obstack): New.
24040 Adjust all dependencies.
24042 2000-10-20 Akim Demaille <akim@epita.fr>
24044 * lib/quote.h (PARAMS): New macro. Use it.
24046 2000-10-16 Akim Demaille <akim@epita.fr>
24048 * src/output.c (output_short_or_char_table): New function.
24049 (output_short_table, output_token_translations): Use it.
24050 (goto_actions): Use output_short_table.
24052 2000-10-16 Akim Demaille <akim@epita.fr>
24054 * src/symtab.c (bucket_new): New function.
24057 * src/output.c (output_short_table): New argument to display the
24058 comment associated with the table.
24059 Adjust dependencies.
24060 (output_gram): Use it.
24061 (output_rule_data): Nicer output layout for YYTNAME.
24063 2000-10-16 Akim Demaille <akim@epita.fr>
24065 * src/lex.c (read_typename): New function.
24067 * src/reader.c (copy_dollar): Likewise.
24069 2000-10-16 Akim Demaille <akim@epita.fr>
24071 * src/reader.c (copy_comment2): Expect the input stream to be on
24072 the `/' which is suspected to open a comment, instead of being
24073 called after `//' or `/*' was read.
24074 (copy_comment, copy_definition, parse_union_decl, copy_action)
24075 (copy_guard): Adjust.
24077 2000-10-16 Akim Demaille <akim@epita.fr>
24079 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
24080 `read_signed_integer'.
24082 2000-10-16 Akim Demaille <akim@epita.fr>
24084 * src/reader.c (copy_dollar): New function.
24085 (copy_guard, copy_action): Use it.
24087 2000-10-16 Akim Demaille <akim@epita.fr>
24089 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
24090 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
24091 New files, from Fileutils 4.0.27.
24092 * src/main.c (printable_version): Remove.
24093 * src/lex.c, src/reader.c: Use `quote'.
24095 2000-10-04 Akim Demaille <akim@epita.fr>
24097 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
24099 2000-10-04 Akim Demaille <akim@epita.fr>
24101 * doc/bison.texinfo: Various typos spotted by Neil Booth.
24103 2000-10-04 Akim Demaille <akim@epita.fr>
24105 When a literal string is used to define two different tokens,
24106 `bison -v' segfaults.
24107 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
24109 * tests/regression.m4: New file.
24110 Include the core of the sample provided by Piotr Gackiewicz.
24111 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
24114 2000-10-04 Akim Demaille <akim@epita.fr>
24116 * src/reader.c (parse_expect_decl): Keep `count' within the size
24120 2000-10-02 Paul Eggert <eggert@twinsun.com>
24122 * bison.s1 (yyparse): Assign the default value
24123 unconditionally, to avoid a GCC warning and make the parser a
24126 2000-10-02 Akim Demaille <akim@epita.fr>
24128 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
24131 2000-10-02 Akim Demaille <akim@epita.fr>
24133 * src/derives.c, src/print.c, src/reduce.c: To ease the
24134 translation, move some `\n' out of the translated strings.
24136 2000-10-02 Akim Demaille <akim@epita.fr>
24138 The location tracking mechanism is precious for parse error
24139 messages. Nevertheless, it is enabled only when `@n' is used in
24140 the grammar, which is a different issue (you can use it in error
24141 message, but not in the grammar per se). Therefore, there should
24142 be another means to enable it.
24144 * src/getargs.c (getargs): Support `--locations'.
24145 (usage): Report it.
24146 * src/getargs.h (locationsflag): Export it.
24147 * src/lex.c (percent_table): Support `%locations'.
24148 * src/reader.c (yylsp_needed): Remove this variable, now replaced
24149 with `locationsflag'.
24150 * doc/bison.texinfo: Document `--locations' and `%locations'.
24152 * tests/calc.m4: Test it.
24154 For regularity of the names, replace each
24155 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
24156 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
24157 In addition replace each `flag' with `_flag'.
24159 2000-10-02 Akim Demaille <akim@epita.fr>
24161 Also test parse error messages, including with YYERROR_VERBOSE.
24163 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
24165 Use it to check the computations.
24166 Use it to check `nonassoc' is honored.
24167 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
24168 `--yyerror-verbose'.
24169 (_AT_CHECK_CALC): Adjust to this option.
24170 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
24172 2000-10-02 Akim Demaille <akim@epita.fr>
24174 Test also `--verbose', `--defines' and `--name-prefix'. Testing
24175 the latter demonstrates a flaw in the handling of non debugging
24176 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
24177 was used in order to simplify:
24193 unfortunately this leads to a CPP conflict when
24194 `--name-prefix=foo' is used since it produces `#define yydebug
24197 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
24198 (YYDPRINTF): New macro.
24200 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
24202 Also test `--verbose', `--defines' and `--name-prefix'.
24204 2000-10-02 Akim Demaille <akim@epita.fr>
24206 Improve the readability of the produced parsers.
24208 * src/bison.s1: Formatting changes.
24209 Improve the comment related to the `$' mark.
24210 (yydefault): Don't fall through to `yyresume': `goto' there.
24211 * src/output.c (output_parser): When the `$' is met, skip the end
24213 New variable, `number_of_dollar_signs', to check there's exactly
24214 one `$' in the parser skeleton.
24216 2000-10-02 Akim Demaille <akim@epita.fr>
24218 * lib/xstrdup.c: New file, from the fileutils.
24219 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
24220 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
24221 instead of strlen + xmalloc + strcpy.
24222 * src/symtab.c (copys): Remove, use xstrdup instead.
24224 2000-10-02 Akim Demaille <akim@epita.fr>
24226 * src/gram.h (associativity): New enum type which replaces the
24227 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
24228 `right_assoc', `left_assoc' and `non_assoc'.
24229 Adjust all dependencies.
24230 * src/reader.c: Formatting changes.
24231 (LTYPESTR): Don't define it, use it as a literal in
24232 `reader_output_yylsp'.
24233 * src/symtab.h (symbol_class): New enum type which replaces the
24234 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
24235 `sunknown', `stoken and `snterm'.
24237 2000-10-02 Akim Demaille <akim@epita.fr>
24239 * src/getargs.c (fixed_outfiles): Rename as...
24240 (yaccflag): for consistency and accuracy.
24241 Adjust dependencies.
24243 2000-10-02 Akim Demaille <akim@epita.fr>
24245 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
24246 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
24247 difficult and introduced a lot of core dump. It turns out that
24248 Bison used an implementation of `xmalloc' based on `calloc', and
24249 at various places it does depend upon the initialization to 0. I
24250 have not tried to isolate the pertinent places, and all the former
24251 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
24252 someone should address this issue.
24254 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
24255 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
24257 Adjust dependencies.
24258 * src/warshall.h: New file.
24261 2000-10-02 Akim Demaille <akim@epita.fr>
24263 Various anti-`extern in *.c' changes.
24265 * src/system.h: Include `assert.h'.
24267 2000-10-02 Akim Demaille <akim@epita.fr>
24269 * src/state.h (nstates, final_state, first_state, first_shift)
24270 (first_reduction): Move their exportation from here...
24271 * src/LR0.h: to here.
24272 Adjust dependencies.
24273 * src/getargs.c (statisticsflag): New variable.
24274 Add support for `--statistics'.
24275 Adjust dependencies.
24277 Remove a lot of now useless `extern' statements in most files.
24279 2000-10-02 Akim Demaille <akim@epita.fr>
24281 * src/LR0.h: New file.
24284 2000-10-02 Akim Demaille <akim@epita.fr>
24286 * src/print.h: New file.
24288 * src/print.c: Formatting and ordering changes.
24289 (verbose, terse): Replace with...
24290 (print_results): this new function.
24291 Adjust dependencies.
24293 2000-10-02 Akim Demaille <akim@epita.fr>
24295 * src/conflicts.c (conflict_report): New function.
24296 (conflict_log, verbose_conflict_log): Replace with...
24297 (print_conflicts): this function.
24298 Adjust dependencies.
24299 * src/conflicts.h: New file.
24300 Propagate its inclusion.
24302 2000-10-02 Akim Demaille <akim@epita.fr>
24304 * src/nullable.h: New file.
24305 Propagate its inclusion.
24306 * src/nullable.c: Formatting changes.
24308 2000-10-02 Akim Demaille <akim@epita.fr>
24310 * src/reduce.h: New file.
24311 Propagate its inclusion.
24312 * src/reduce.c: Topological sort and other formatting changes.
24313 (bool, TRUE, FALSE): Move their definition to...
24314 * src/system.h: here.
24316 2000-10-02 Akim Demaille <akim@epita.fr>
24318 * src/files.c: Formatting changes.
24319 (tryopen, tryclose, openfiles): Rename as...
24320 (xfopen, xfclose, open_files): this.
24321 (stringappend): static.
24322 * src/files.h: Complete the list of exported symbols.
24325 2000-10-02 Akim Demaille <akim@epita.fr>
24327 * src/reader.h: New file.
24328 Propagate its use instead of tedious list of `extern' and
24330 * src/reader.c: Formatting changes, topological sort,
24333 2000-10-02 Akim Demaille <akim@epita.fr>
24335 * src/lex.h: Prototype `lex.c' exported functions.
24336 * src/reader.c: Adjust.
24337 * src/lex.c: Formatting changes.
24338 (safegetc): Rename as...
24341 2000-10-02 Akim Demaille <akim@epita.fr>
24343 * src/lalr.h: New file.
24344 Propagate its inclusion instead of prototypes and `extern'.
24345 * src/lalr.c: Formatting changes, topological sorting etc.
24347 2000-10-02 Akim Demaille <akim@epita.fr>
24349 * src/output.c (token_actions): Introduce a temporary array,
24350 YYDEFACT, that makes it possible for this function to use
24351 output_short_table.
24353 2000-10-02 Akim Demaille <akim@epita.fr>
24355 `user_toknums' is output as a `short[]' in `output.c', while it is
24356 defined as a `int[]' in `reader.c'. For consistency with the
24357 other output tables, `user_toknums' is now defined as a table of
24360 * src/reader.c (user_toknums): Be a short table instead of an int
24362 Adjust dependencies.
24364 Factor the short table outputs.
24366 * src/output.c (output_short_table): New function.
24367 * src/output.c (output_gram, output_stos, output_rule_data)
24368 (output_base, output_table, output_check): Use it.
24370 2000-10-02 Akim Demaille <akim@epita.fr>
24372 * src/output.c (output): Topological sort of the functions, in
24373 order to get rid of the `static' prototypes.
24374 No longer use `register'.
24375 * src/output.h: New file.
24376 Propagate its inclusion in files explicitly prototyping functions
24379 2000-09-21 Akim Demaille <akim@epita.fr>
24381 * src/atgeneral.m4: Update from Autoconf.
24383 2000-09-21 Akim Demaille <akim@epita.fr>
24385 * src/closure.h: New file.
24386 * src/closure.c: Formatting changes, topological sort over the
24387 functions, use of closure.h.
24388 (initialize_closure, finalize_closure): Rename as...
24389 (new_closure, free_closure): these. Adjust dependencies.
24390 * src/LR0.c: Formatting changes, topological sort, use of
24392 (initialize_states): Rename as...
24393 (new_states): this.
24394 * src/Makefile.am (noinst_HEADERS): Adjust.
24396 2000-09-20 Akim Demaille <akim@epita.fr>
24398 * src/acconfig.h: Don't protect config.h against multiple
24400 Don't define PARAMS.
24401 * src/system.h: Define PARAMS.
24402 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
24403 purpose of config.h. system.h must not try to fix wrong
24404 definitions in config.h.
24406 2000-09-20 Akim Demaille <akim@epita.fr>
24408 * src/derives.h: New file.
24409 * src/main.c, src/derives.h: Use it.
24410 Formatting changes.
24411 * src/Makefile.am (noinst_HEADERS): Adjust.
24413 2000-09-20 Akim Demaille <akim@epita.fr>
24415 * tests/atgeneral.m4: Update from Autoconf.
24416 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
24417 (AT_CHECK_CALC): New macros.
24418 Use these macros to test bison with options `', `--raw',
24419 `--debug', `--yacc', `--yacc --debug'.
24421 2000-09-19 Akim Demaille <akim@epita.fr>
24423 * src/output.c: Formatting changes.
24424 * src/machine.h: Remove, leaving its contents in...
24425 * src/system.h: here.
24427 Adjust all dependencies on stdio.h and machine.h.
24428 * src/getargs.h: New file.
24429 Let all `extern' declarations about getargs.c be replaced with
24430 inclusion of `getargs.h'.
24431 * src/Makefile.am (noinst_HEADERS): Adjust.
24433 * tests/calc.m4 (yyin): Be initialized in main, not on the global
24435 (yyerror): Returns void, not int.
24436 * doc/bison.texinfo: Formatting changes.
24438 2000-09-19 Akim Demaille <akim@epita.fr>
24440 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
24443 2000-09-18 Akim Demaille <akim@epita.fr>
24445 * configure.in: Append WARNING_CFLAGS to CFLAGS.
24446 * src/Makefile.am (INCLUDES): Don't.
24447 Be ready to fetch headers in lib/.
24449 2000-09-18 Akim Demaille <akim@epita.fr>
24451 * doc/bison.texinfo: Update the copyright.
24452 ANSIfy and GNUify the examples.
24453 Remove the old menu.
24455 2000-09-18 Akim Demaille <akim@epita.fr>
24457 First set of tests: use the `calc' example from the documentation.
24459 * src/bison.s1 (yyparse): Condition the code using `yytname' which
24460 is defined only when YYDEBUG is.
24461 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
24462 * src/files.c (tryopen, tryclose): Formatting changes.
24463 Move to the top and be static.
24464 * src/reader.c (read_signed_integer): Likewise.
24465 * tests/calc.m4: New file.
24466 * Makefile.am, suite.m4: Adjust.
24467 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
24469 2000-09-18 Akim Demaille <akim@epita.fr>
24471 Add support for an Autotest test suite for Bison.
24473 * m4/m4.m4, m4/atconfig.m4: New files.
24474 * m4/Makefile.am (EXTRA_DIST): Adjust.
24475 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
24477 * src/getargs.c: Display a more standard --version message.
24478 * src/reader.c (reader): Formatting changes.
24479 No longer depend upon VERSION_STRING.
24480 * configure.in: No longer use `dnl'.
24481 Set up the test suite and the new directory `tests/.
24482 (VERSION_STRING): Remove.
24484 2000-04-14 Akim Demaille <akim@epita.fr>
24486 * src/reader.c (copy_comment2): New function, same as former
24487 `copy_comment', but outputs into two FILE *.
24488 (copy_comment): Use it.
24489 (parse_union_decl): Use it.
24490 (get_type, parse_start_decl): Use the same `invalid' message.
24491 (parse_start_decl, parse_union_decl): Use the same `multiple'
24493 (parse_union_decl, copy_guard, copy_action): Use the same
24494 `unmatched' message.
24495 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
24497 2000-03-31 Akim Demaille <akim@epita.fr>
24499 * src/files.c (tryopen, tryclose): Move to the top.
24502 2000-03-31 Akim Demaille <akim@epita.fr>
24504 * src/main.c (main): Don't call `done', exit does it.
24506 2000-03-31 Akim Demaille <akim@epita.fr>
24508 * allocate.c: s/return (foo)/return foo/.
24509 * lalr.c: Likewise.
24511 * output.c: Likewise.
24512 * reader.c: Likewise.
24513 * symtab.c: Likewise.
24514 * vmsgetargs.c: Likewise.
24516 2000-03-31 Akim Demaille <akim@epita.fr>
24518 Clean up the error reporting functions.
24520 * src/report.c: New file.
24521 * src/report.h: Likewise.
24522 * src/Makefile.am: Adjust.
24523 * m4/error.m4: New file.
24524 * m4/Makefile.am: Adjust.
24525 * configure.in (jm_PREREQ_ERROR): Call it.
24526 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
24528 (fatal, fatals): Remove. All callers use complain.c::fatal.
24529 (warn, warni, warns, warnss, warnss): Remove. All callers use
24530 complain.c::complain.
24531 (toomany): Remove, use fatal instead.
24532 * src/files.c (done): No argument, use complain_message_count.
24533 * src/main.c (main): Register `done' to `atexit'.
24535 * src/getargs.c (usage): More `fputs', less `fprintf'.
24537 2000-03-28 Akim Demaille <akim@epita.fr>
24539 * lib/: New directory.
24540 * Makefile.am (SUBDIRS): Adjust.
24541 * configure.in: Adjust.
24542 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
24544 * src/alloca.c: Moved to lib/.
24545 * src/getopt.c: Likewise.
24546 * src/getopt1.c: Likewise.
24547 * src/getopt.h: Likewise.
24548 * src/ansi2knr.c: Likewise.
24549 * src/ansi2knr.1: Likewise.
24550 * src/Makefile.am: Adjust.
24551 * lib/Makefile.am: New file.
24553 2000-03-28 Akim Demaille <akim@epita.fr>
24555 * src/getargs.c (usage): Refresh the help message.
24557 2000-03-17 Akim Demaille <akim@epita.fr>
24559 * src/getopt1.c: Updated from textutils 2.0e
24560 * src/getopt.c: Likewise.
24561 * src/getopt.h: Likewise.
24563 2000-03-17 Akim Demaille <akim@epita.fr>
24565 * src/Makefile.am (bison.simple): Fix the awk program: quote only
24566 the file name, not the whole `#line LINE FILE'.
24568 2000-03-17 Akim Demaille <akim@epita.fr>
24570 On syntax errors, report the token on which we choked.
24572 * src/bison.s1 (yyparse): In the label yyerrlab, when
24573 YYERROR_VERBOSE, add yychar in msg.
24575 2000-03-17 Akim Demaille <akim@epita.fr>
24577 * src/reader.c (copy_at): New function.
24578 (copy_guard): Use it.
24579 (copy_action): Use it.
24581 2000-03-17 Akim Demaille <akim@epita.fr>
24583 Be kind to translators, save some useless translations.
24585 * src/main.c (banner): New function.
24586 (fatal_banner): Use it.
24587 (warn_banner): Use it.
24589 2000-03-17 Akim Demaille <akim@epita.fr>
24591 * src/reader.c (copy_definition): Use copy_string and
24592 copy_comment. Removed now unused `match', `ended',
24594 (copy_comment, copy_string): Moved, to be visible from
24597 2000-03-17 Akim Demaille <akim@epita.fr>
24599 * src/reader.c (copy_string): Declare `static inline'. No
24600 problems with inline, since it is checked by configure.
24601 (copy_comment): Likewise.
24603 2000-03-17 Akim Demaille <akim@epita.fr>
24605 * src/reader.c (packsymbols): Formatting changes.
24607 2000-03-17 Akim Demaille <akim@epita.fr>
24609 * src/reader.c (copy_comment): New function, factored out from:
24610 (copy_action): Use it. Removed now unused `match', `ended',
24612 (copy_guard): Likewise.
24614 2000-03-17 Akim Demaille <akim@epita.fr>
24616 * src/reader.c (copy_string): New function, factored out from:
24617 (copy_action): Use it.
24618 (copy_guard): Likewise.
24620 2000-03-17 Akim Demaille <akim@epita.fr>
24622 Change the handling of @s so that they behave exactly like $s.
24623 There is now a pseudo variable @$ (readble and writable), location
24624 of the lhs of the rule (by default ranging from the location of
24625 the first symbol of the rhs, to the location of the last symbol,
24626 or, if the rhs is empty, YYLLOC).
24628 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
24630 (yyparse): When providing a default semantic action, provide a
24631 default location action.
24632 (after the $): No longer change `*YYLSP', just stack YYLOC the
24633 same way you stack YYVAL.
24634 * src/reader.c (read_declarations): Use warns.
24635 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
24636 (copy_action, case '@'): Likewise.
24637 Use a standard error message, to save useless work from
24640 2000-03-17 Akim Demaille <akim@epita.fr>
24642 * src/bison.s1: Formatting and cosmetics changes.
24643 * src/reader.c: Likewise.
24644 Update the Copyright notice.
24646 2000-03-17 Akim Demaille <akim@epita.fr>
24648 * src/bison.s1 (#line): All set to `#line' only, since the
24649 Makefile now handles them.
24651 2000-03-16 Akim Demaille <akim@epita.fr>
24653 * src/output.c (output_rule_data): Output the documentation of
24654 some of the tables.
24655 (Copyright notice): Update.
24656 Formatting changes.
24658 2000-03-16 Akim Demaille <akim@epita.fr>
24660 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
24661 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
24662 One `#if YYDEBUG' remains, since it uses variables which are
24663 defined only if `YYDEBUG != 0'.
24665 2000-03-16 Akim Demaille <akim@epita.fr>
24667 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
24668 and related variables so that the similarities are highlighted.
24670 2000-03-16 Akim Demaille <akim@epita.fr>
24672 * src/bison.s1: Properly indent CPP directives.
24674 2000-03-16 Akim Demaille <akim@epita.fr>
24676 * src/bison.s1: Properly indent the `alloca' CPP section.
24678 2000-03-16 Akim Demaille <akim@epita.fr>
24680 Do not hard code values of directories in `configure.in'.
24681 Update the `configure' tool chain.
24683 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
24685 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
24686 (AC_OUTPUT): Add m4/Makefile.
24687 Bump to bison 1.28a, 1.29 has never been released.
24688 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
24689 handled via src/Makefile.am.
24690 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
24691 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
24693 * Makefile.am (SUBDIRS): Add m4.
24694 (ACLOCAL_AM_FLAGS): New variable.
24695 (AUTOMAKE_OPTIONS): Add check-news.
24696 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
24697 the proper line number and file name.
24698 (DEFS): Propagate the location of bison library files and of the
24700 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
24702 * acinclude.m4: Remove, replaced by the directory m4.
24703 * m4/Makefile.am (EXTRA_DIST): New variable.
24704 * m4/gettext.m4: New file, from the fileutils.
24705 * m4/lcmessage.m4: Likewise
24706 * m4/progtest.m4: Likewise.
24707 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
24709 2000-03-10 Akim Demaille <akim@epita.fr>
24712 Formatting changes of various comments.
24713 Respect the GNU coding standards at various places.
24714 Don't use `_()' when no translation is needed.
24716 1999-12-13 Jesse Thilo <jthilo@gnu.org>
24719 OS/2 honors TMPDIR environment variable.
24721 1999-12-13 Jesse Thilo <jthilo@gnu.org>
24723 * doc/bison.texinfo: Tweaked spelling and grammar.
24725 Removed reference to price of printed copy.
24726 Mention BISON_SIMPLE and BISON_HAIRY.
24728 1999-12-13 Jesse Thilo <jthilo@gnu.org>
24730 * configure.in, NEWS:
24731 Bison 1.29 released.
24733 1999-10-27 Jesse Thilo <jthilo@gnu.org>
24735 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
24736 Added reference card.
24738 1999-07-26 Jesse Thilo <jthilo@gnu.org>
24740 * po/ru.po: Added Russian translation.
24742 1999-07-26 Jesse Thilo <jthilo@gnu.org>
24744 * configure.in: Added Russian translation.
24746 1999-07-06 Jesse Thilo <jthilo@gnu.org>
24748 * configure.in, NEWS, README:
24749 Released version 1.28.
24751 1999-06-14 Jesse Thilo <jthilo@gnu.org>
24754 Squashed redefinition warning on some systems.
24756 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
24757 Have configure build version string instead of relying on ANSI string
24760 1999-06-14 Jesse Thilo <jthilo@gnu.org>
24762 * po/POTFILES.in: Got rid of version.c.
24764 1999-06-14 Jesse Thilo <jthilo@gnu.org>
24766 * acconfig.h, configure.in:
24767 Have configure build version string instead of relying on ANSI string
24770 1999-06-08 Jesse Thilo <jthilo@gnu.org>
24773 Dropped mention of `+' for long-named options.
24775 1999-05-30 Jesse Thilo <jthilo@gnu.org>
24777 * src/files.c: Added <unistd.h> for unlink().
24779 * src/Makefile.am, src/system.h:
24782 1999-05-30 Jesse Thilo <jthilo@gnu.org>
24784 * README: Added a FAQ list.
24786 * configure.in, acconfig.h:
24789 1999-05-30 Jesse Thilo <jthilo@gnu.org>
24791 * doc/FAQ, doc/Makefile.am:
24794 1999-05-19 Jesse Thilo <jthilo@gnu.org>
24796 * src/alloc.h, src/symtab.h, src/version.c:
24797 Protected inclusion of "config.h" with HAVE_CONFIG_H.
24799 1999-04-18 Jesse Thilo <jthilo@gnu.org>
24801 * src/.cvsignore, src/Makefile.am:
24802 Reorganized: sources in `src', documentation in `doc'.
24804 * src/lex.c (literalchar):
24805 fixed the code for escaping double quotes (thanks
24808 1999-04-18 Jesse Thilo <jthilo@gnu.org>
24810 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
24811 Adjusted paths to reflect directory reorganization.
24813 1999-04-18 Jesse Thilo <jthilo@gnu.org>
24815 * doc/.cvsignore, doc/Makefile.am:
24816 Reorganized: sources in `src', documentation in `doc'.
24818 1999-04-18 Jesse Thilo <jthilo@gnu.org>
24821 Updated AC_INIT file to reflect directory reorganization.
24823 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
24824 Reorganized: sources in `src', documentation in `doc'.
24826 1999-04-13 Jesse Thilo <jthilo@gnu.org>
24829 Don't declare calloc() and realloc() if not necessary.
24831 1999-04-13 Jesse Thilo <jthilo@gnu.org>
24833 * configure.in, acconfig.h, acinclude.m4:
24834 Don't declare calloc() and realloc() if not necessary.
24836 1999-03-23 Jesse Thilo <jthilo@gnu.org>
24838 * po/.cvsignore: Added i18n support.
24840 1999-03-23 Jesse Thilo <jthilo@gnu.org>
24842 * acconfig.h, configure.in, Makefile.am:
24843 Added i18n support.
24845 1999-03-22 Jesse Thilo <jthilo@gnu.org>
24847 * src/bison.s1: Fixed #line numbers.
24849 1999-03-15 Jesse Thilo <jthilo@gnu.org>
24851 * po/es.po, po/fr.po, po/nl.po, po/de.po:
24852 Added PO files from Translation Project.
24854 1999-03-03 Jesse Thilo <jthilo@gnu.org>
24857 Added support for non-ANSI compilers (ansi2knr).
24859 1999-02-16 Jesse Thilo <jthilo@gnu.org>
24861 * configure.in: Bumped version number to 1.27.
24864 Added `bison.simple' to list of files removed by `make distclean'.
24866 1999-02-12 Jesse Thilo <jthilo@gnu.org>
24868 * src/files.c, src/files.h:
24869 Defined locations of parser files in config.h instead of Makefile.
24871 1999-02-12 Jesse Thilo <jthilo@gnu.org>
24873 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
24874 Defined locations of parser files in config.h instead of Makefile.
24876 1999-02-09 Jesse Thilo <jthilo@gnu.org>
24879 Removed inappropriate use of $< macro.
24881 1999-02-05 Jesse Thilo <jthilo@gnu.org>
24883 * po/Makefile.in.in, po/POTFILES.in:
24884 Add `po' directory skeleton.
24886 1999-01-27 Jesse Thilo <jthilo@gnu.org>
24888 * README: Document help-bison list.
24890 * configure.in: Add check for mkstemp().
24892 1999-01-20 Jesse Thilo <jthilo@gnu.org>
24894 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
24895 Hush a few compiler warnings.
24898 Add tryclose(), which verifies that fclose was successful.
24899 Hush a couple of compiler warnings.
24901 1999-01-20 Jesse Thilo <jthilo@gnu.org>
24903 * Makefile.am, OChangeLog:
24904 ChangeLog is now automatically generated. Include the old version as
24907 1999-01-14 Jesse Thilo <jthilo@gnu.org>
24909 * 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:
24910 Update FSF address.
24912 1999-01-14 Jesse Thilo <jthilo@gnu.org>
24914 * doc/bison.texinfo: Fix formatting glitch.
24916 * doc/bison.texinfo: Update FSF address.
24918 1999-01-14 Jesse Thilo <jthilo@gnu.org>
24920 * acconfig.h: Update FSF address.
24922 1999-01-08 Jesse Thilo <jthilo@gnu.org>
24925 Don't define PACKAGE here, since config.h defines it.
24927 1998-12-30 Jesse Thilo <jthilo@gnu.org>
24929 * src/reader.c: Update copyright date.
24932 Ditch sprintf to statically-sized buffers in fatal/warn functions in
24933 favor of output directly to stderr (avoids buffer overruns).
24935 * src/reader.c: Some checks for premature EOF.
24937 * 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:
24938 Use prototypes if the compiler understands them.
24940 * src/files.c: Honor TMPDIR on Unix hosts.
24941 Use prototypes if the compiler understands them.
24944 Fix a couple of buffer overrun bugs.
24945 Use prototypes if the compiler understands them.
24947 * src/system.h: Include unistd.h and ctype.h.
24948 Use #ifdef instead of #if for NLS symbols.
24950 1998-12-30 Jesse Thilo <jthilo@gnu.org>
24952 * doc/bison.texinfo:
24953 Delete comment "consider using @set for edition number, etc..." since
24954 we now are doing so.
24956 1998-12-30 Jesse Thilo <jthilo@gnu.org>
24959 Use prototypes if the compiler understands them.
24961 * NEWS: Document 1.26 highlights.
24963 * Makefile.am: Require Automake 1.3 or later.
24966 Use prototypes if the compiler understands them.
24968 1998-12-29 Jesse Thilo <jthilo@gnu.org>
24971 Use VERSION symbol from automake for version number.
24973 1998-12-29 Jesse Thilo <jthilo@gnu.org>
24975 * acconfig.h, configure.in, version.cin:
24976 Use VERSION symbol from automake for version number.
24978 1998-11-28 Jesse Thilo <jthilo@gnu.org>
24981 Distribute original version of simple parser (bison.s1), not built
24982 version (bison.simple).
24984 1998-11-28 Jesse Thilo <jthilo@gnu.org>
24986 * doc/bison.texinfo: Add info dir entry.
24988 * doc/bison.texinfo:
24989 Let automake put version number into documentation.
24991 1998-11-26 Jesse Thilo <jthilo@gnu.org>
24993 * src/bison.cld, src/build.com, src/vmshlp.mar:
24994 Add non-RCS files from /gd/gnu/bison.
24996 1998-11-26 Jesse Thilo <jthilo@gnu.org>
24999 Document the BISON_HAIRY and BISON_SIMPLE variables.
25001 1998-11-25 Jesse Thilo <jthilo@gnu.org>
25003 * src/version.c: Build version.c automatically.
25006 Fix token numbering (used to start at 258, not 257).
25008 * src/system.h: Include config.h.
25010 * src/getargs.c: Update bug report address.
25012 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
25013 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
25015 1998-11-25 Jesse Thilo <jthilo@gnu.org>
25018 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
25020 * configure.in, version.cin:
25021 Build version.c automatically.
25023 * AUTHORS: Add AUTHORS file.
25025 * README: Update bug report address.
25028 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
25030 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
25031 Add automake stuff.
25033 1998-11-25 Jesse Thilo <jthilo@gnu.org>
25035 * doc/bison.texinfo: Clean up some formatting.
25037 1998-05-05 Richard Stallman <rms@gnu.org>
25039 * doc/bison.texinfo:
25040 Explain better why to make a pure parser.
25042 1998-01-05 Richard Stallman <rms@gnu.org>
25044 * src/files.c (openfiles):
25045 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
25046 find a temporary directory, if possible. Do not unlink files while
25049 1997-08-25 Richard Stallman <rms@gnu.org>
25051 * src/reader.c (stack_offset;):
25052 Change some warni to warns.
25054 * src/lex.c (literalchar): Use warns, not warni.
25056 1997-06-28 Richard Stallman <rms@gnu.org>
25058 * src/bison.s1: Add a Bison version comment.
25060 * src/main.c (fatal, warn, berror):
25063 1997-06-28 Richard Stallman <rms@gnu.org>
25065 * Makefile.in (bison_version): New variable.
25066 (dist): Use that variable.
25067 (bison.s1): Substitute the Bison version into bison.simple.
25069 * bison.simple: Add a Bison version comment.
25071 1997-06-18 Richard Stallman <rms@gnu.org>
25073 * src/main.c (fatal, warn, berror):
25074 Make error messages standard.
25075 (toomany): Improve error message text.
25077 * 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:
25078 new.h renamed to alloc.h.
25080 1997-06-18 Richard Stallman <rms@gnu.org>
25082 * Makefile.in: new.h renamed to alloc.h.
25084 1997-05-24 Richard Stallman <rms@gnu.org>
25086 * src/lex.c (literalchar):
25087 Fix the code for escaping \, " and '.
25089 (lex): Avoid trouble when there are many chars
25090 to discard in a char literal with just several chars in it.
25092 1997-05-17 Richard Stallman <rms@gnu.org>
25095 Use malloc, if using alloca is troublesome.
25096 (YYSTACK_USE_ALLOCA): New flag macro.
25097 Define it for some systems and compilers.
25098 (YYSTACK_ALLOC): New macro.
25099 (yyparse): Use YYSTACK_ALLOC to allocate stack.
25100 If it was malloc'd, free it.
25102 1997-05-17 Richard Stallman <rms@gnu.org>
25105 Use malloc, if using alloca is troublesome.
25106 (YYSTACK_USE_ALLOCA): New flag macro.
25107 Define it for some systems and compilers.
25108 (YYSTACK_ALLOC): New macro.
25109 (yyparse): Use YYSTACK_ALLOC to allocate stack.
25110 If it was malloc'd, free it.
25112 1997-04-23 Richard Stallman <rms@gnu.org>
25115 (alloca) [__hpux]: Always define as __builtin_alloca.
25117 1997-04-23 Richard Stallman <rms@gnu.org>
25120 (alloca) [__hpux]: Always define as __builtin_alloca.
25122 1997-04-22 Richard Stallman <rms@gnu.org>
25125 [__hpux]: Include alloca.h (right for HPUX 10)
25126 instead of declaring alloca (right for HPUX 9).
25128 * src/bison.s1 (__yy_memcpy):
25129 Declare arg `count' as unsigned int.
25130 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
25132 1997-04-22 Richard Stallman <rms@gnu.org>
25135 [__hpux]: Include alloca.h (right for HPUX 10)
25136 instead of declaring alloca (right for HPUX 9).
25138 * bison.simple (__yy_memcpy):
25139 Declare arg `count' as unsigned int.
25140 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
25142 1997-01-03 Richard Stallman <rms@gnu.org>
25144 * src/allocate.c: [__STDC__ or _MSC_VER]:
25145 Declare calloc and realloc to return void *.
25147 1997-01-02 Richard Stallman <rms@gnu.org>
25150 [_MSC_VER]: Include stdlib.h and process.h.
25151 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
25153 * src/main.c (main): Return FAILURE as a value.
25154 (printable_version): Declare arg as int, not char.
25156 1997-01-02 Richard Stallman <rms@gnu.org>
25158 * Makefile.in (dist):
25159 Explicitly check for symlinks, and copy them.
25161 1996-12-19 Richard Stallman <rms@gnu.org>
25164 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
25166 1996-12-18 Paul Eggert <eggert@gnu.org>
25168 * src/bison.s1 (yyparse):
25169 If __GNUC__ and YYPARSE_PARAM are both defined,
25170 declare yyparse to have a void * argument.
25172 1996-12-18 Paul Eggert <eggert@gnu.org>
25174 * bison.simple (yyparse):
25175 If __GNUC__ and YYPARSE_PARAM are both defined,
25176 declare yyparse to have a void * argument.
25178 1996-12-17 Richard Stallman <rms@gnu.org>
25180 * src/reduce.c (nbits): Add some casts.
25182 1996-08-12 Richard Stallman <rms@gnu.org>
25184 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
25186 1996-08-12 Richard Stallman <rms@gnu.org>
25188 * bison.simple: Test _MSDOS as well as _MSDOS_.
25190 1996-07-31 Richard Stallman <rms@gnu.org>
25193 [__sun && __i386]: Include alloca.h.
25195 1996-07-31 Richard Stallman <rms@gnu.org>
25198 [__sun && __i386]: Include alloca.h.
25200 1996-07-30 Richard Stallman <rms@gnu.org>
25202 * src/bison.s1: Comment change.
25204 * src/bison.s1: Test _MSDOS_, not MSDOS.
25206 1996-07-30 Richard Stallman <rms@gnu.org>
25208 * bison.simple: Comment change.
25210 * bison.simple: Test _MSDOS_, not MSDOS.
25212 1996-06-01 Richard Stallman <rms@gnu.org>
25214 * 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:
25215 Insert `_' macro around many string constants.
25218 Insert `_' macro around many string constants.
25220 (main): Call setlocale, bindtextdomain and textdomain.
25222 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
25223 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
25224 [ENABLE_NLS]: Include libintl.h.
25225 [ENABLE_NLS] (gettext): Define.
25226 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
25227 (N_, PACKAGE, LOCALEDIR): New macros.
25229 1996-06-01 Richard Stallman <rms@gnu.org>
25231 * POTFILES.in: New file.
25233 * Makefile.in (allocate.o):
25234 Define target explicitly.
25236 * Makefile.in (CFLAGS): Set to @CFLAGS@.
25237 (LDFLAGS): Set to @LDFLAGS@.
25238 (configure): Run autoconf only if preceding `cd' succeeds.
25239 (bison.s1): Redirect output to temporary file then move the
25240 temporary to the target, rather than redirecting directly to bison.s1.
25241 (clean): Remove config.status and config.log.
25242 (distclean): Don't remove config.status here.
25244 1996-05-12 Richard Stallman <rms@gnu.org>
25247 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
25249 1996-05-12 Richard Stallman <rms@gnu.org>
25252 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
25254 1996-05-11 Richard Stallman <rms@gnu.org>
25256 * src/bison.s1 (__yy_memcpy):
25257 Really reorder the args, as was supposedly done on Feb 14 1995.
25258 (yyparse): Calls changed accordingly.
25260 1996-05-11 Richard Stallman <rms@gnu.org>
25262 * Makefile.in (dist): Don't use $(srcdir).
25264 * bison.simple (__yy_memcpy):
25265 Really reorder the args, as was supposedly done on Feb 14 1995.
25266 (yyparse): Calls changed accordingly.
25268 1996-01-27 Richard Stallman <rms@gnu.org>
25270 * src/output.c (output_rule_data):
25271 Test YYERROR_VERBOSE in the conditional
25272 around the definition of ttyname.
25274 1995-12-29 Richard Stallman <rms@gnu.org>
25277 Fix line numbers in #line commands.
25279 1995-12-29 Richard Stallman <rms@gnu.org>
25282 Fix line numbers in #line commands.
25284 1995-12-27 Richard Stallman <rms@gnu.org>
25286 * src/bison.s1 (YYPARSE_PARAM_DECL):
25287 In C++, make it always null.
25288 (YYPARSE_PARAM_ARG): New macro.
25289 (yyparse): Use YYPARSE_PARAM_ARG.
25291 1995-12-27 Richard Stallman <rms@gnu.org>
25293 * bison.simple (YYPARSE_PARAM_DECL):
25294 In C++, make it always null.
25295 (YYPARSE_PARAM_ARG): New macro.
25296 (yyparse): Use YYPARSE_PARAM_ARG.
25298 1995-11-29 Richard Stallman <rms@gnu.org>
25300 * doc/bison.texinfo:
25301 Describe literal string tokens, %raw, %no_lines, %token_table.
25303 1995-11-29 Daniel Hagerty <hag@gnu.org>
25305 * doc/bison.texinfo: Fixed update date
25307 1995-10-16 Richard Stallman <rms@gnu.org>
25309 * src/version.c: Version 1.25.
25311 1995-10-16 Richard Stallman <rms@gnu.org>
25313 * NEWS: *** empty log message ***
25315 1995-10-16 Richard Stallman <rms@gnu.org>
25317 * doc/bison.1, doc/bison.rnh:
25320 1995-10-15 Richard Stallman <rms@gnu.org>
25322 * src/vmsgetargs.c, src/getargs.c:
25323 Added -n, -k, and -raw switches.
25324 (noparserflag, toknumflag, rawtoknumflag): New variables.
25326 * src/symtab.h (SALIAS):
25327 New #define for adding aliases to %token.
25328 (struct bucket): Added `alias' field.
25330 * src/reduce.c (reduce_grammar):
25331 Revise error message.
25332 (print_notices): Remove final `.' from error message.
25334 * src/reader.c (reader_output_yylsp):
25336 (readgram): Use `#if 0' around code that accepted %command
25337 inside grammar rules: The documentation doesn't allow it,
25338 and it will fail since the %command processors scan for the next %.
25339 (parse_token_decl): Extended the %token
25340 declaration to allow a multi-character symbol as an alias.
25341 (parse_thong_decl): New function.
25342 (read_declarations): Added %thong declarations.
25343 (read_declarations): Handle NOOP to deal with allowing
25344 % declarations as another means to specify the flags.
25345 (readgram): Allow %prec prior to semantics embedded in a rule.
25346 (skip_to_char, read_declarations, copy_definition)
25347 (parse_token_decl, parse_start_decl, parse_type_decl)
25348 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
25349 (get_type_name, copy_guard, copy_action, readgram)
25350 (get_type, packsymbols): Revised most error messages.
25351 Changed `fatal' to `warnxxx' to avoid aborting for error.
25352 Revised and use multiple warnxxx functions to avoid using VARARGS1.
25353 (read_declarations): Improve the error message for
25354 an invalid character. Do not abort.
25355 (read_declarations, copy_guard, copy_action): Use
25356 printable_version to avoid unprintable characters in printed output.
25357 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
25358 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
25359 Allow the type of a non-terminal can be given
25360 more than once, as long as all specifications give the same type.
25363 (output_headers, output_trailers, output, output_gram)
25364 (output_rule_data): Implement noparserflag variable.
25365 Implement toknumflag variable.
25366 (output): Call reader_output_yylsp to output LTYPESTR.
25368 * src/main.c (main):
25369 If reader sees an error, don't process the grammar.
25370 (fatals): Updated to not use VARARGS1.
25371 (printable_version, int_to_string, warn, warni, warns, warnss)
25372 (warnsss): New error reporting functions. Avoid abort for error.
25375 Added THONG and NOOP for alias processing.
25376 Added SETOPT for the new code that allows setting options with %flags.
25379 Include getopt.h. Add some extern decls.
25380 (safegetc): New function to deal with EOF gracefully.
25381 (literalchar); new function to deal with reading \ escapes.
25382 (lex): Use literalchar.
25383 (lex): Implemented "..." tokens.
25384 (literalchar, lex, parse_percent_token): Made tokenbuffer
25385 always contain the token. This includes growing the token
25386 buffer while reading an integer.
25387 (parse_percent_token): Replaced if-else statement with percent_table.
25388 (parse_percent_token): Added % declarations as another
25389 way to specify the flags -n, -l, and -r. Also added hooks for
25390 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
25391 major changes to files.c.
25392 (lex) Retain in the incoming stream a character following
25394 (skip_white_space, lex): Revised most error messages
25395 and changed fatal to warn to avoid aborting.
25396 (percent_table): Added %thong declarations.
25398 * src/gram.h: Comment changes.
25400 * src/files.c (openfiles, open_extra_files, done):
25402 and actfile file. Handle noparserflag. Both for -n switch.
25404 * src/conflicts.c (resolve_sr_conflict):
25405 Remove use of alloca.
25407 1995-06-01 Jim Meyering <meyering@gnu.org>
25409 * doc/bison.texinfo: *** empty log message ***
25411 1995-05-06 Richard Stallman <rms@gnu.org>
25413 * src/bison.s1: Comment change.
25415 1995-05-06 Richard Stallman <rms@gnu.org>
25417 * bison.simple: Comment change.
25419 1995-05-03 Richard Stallman <rms@gnu.org>
25421 * src/version.c: Version now 1.24.
25423 * src/bison.s1: Change distribution terms.
25425 * src/version.c: Version now 1.23.
25427 1995-05-03 Richard Stallman <rms@gnu.org>
25429 * doc/bison.texinfo:
25430 Rewrite "Conditions for Using Bison".
25431 Update version to 1.24.
25433 1995-05-03 Richard Stallman <rms@gnu.org>
25435 * bison.simple: Change distribution terms.
25437 1995-02-23 Richard Stallman <rms@gnu.org>
25439 * src/files.c: Test __VMS_POSIX as well as VMS.
25441 1995-02-14 Jim Meyering <meyering@gnu.org>
25443 * src/bison.s1 (__yy_memcpy):
25444 Renamed from __yy_bcopy to avoid
25445 confusion. Reverse FROM and TO arguments to be consistent with
25448 1995-02-14 Jim Meyering <meyering@gnu.org>
25450 * bison.simple (__yy_memcpy):
25451 Renamed from __yy_bcopy to avoid
25452 confusion. Reverse FROM and TO arguments to be consistent with
25455 1994-11-10 David J. MacKenzie <djm@gnu.org>
25461 * Makefile.in (DISTFILES): Include NEWS.
25463 * Makefile.in (DISTFILES):
25464 Include install-sh, not install.sh.
25466 * configure.in: Update to Autoconf v2 macro names.
25468 1994-10-05 David J. MacKenzie <djm@gnu.org>
25470 * Makefile.in: fix typo
25472 * Makefile.in (prefix, exec_prefix):
25473 Let configure set them.
25475 1994-09-28 David J. MacKenzie <djm@gnu.org>
25477 * Makefile.in: Set datadir to $(prefix)/share.
25479 1994-09-15 Richard Stallman <rms@gnu.org>
25482 Update copyright notice and GPL version.
25484 1994-09-15 Richard Stallman <rms@gnu.org>
25487 Update copyright notice and GPL version.
25489 1994-07-12 Richard Stallman <rms@gnu.org>
25491 * src/reduce.c, src/reader.c:
25494 1994-05-05 David J. MacKenzie <djm@gnu.org>
25496 * Makefile.in: entered into RCS
25498 1994-03-26 Richard Stallman <rms@gnu.org>
25500 * src/bison.s1: entered into RCS
25502 1994-03-26 Richard Stallman <rms@gnu.org>
25504 * bison.simple: entered into RCS
25506 1994-03-25 Richard Stallman <rms@gnu.org>
25508 * src/main.c: entered into RCS
25510 1994-03-24 Richard Stallman <rms@gnu.org>
25512 * src/conflicts.c: entered into RCS
25514 1994-01-02 Richard Stallman <rms@gnu.org>
25516 * Makefile.in: *** empty log message ***
25518 1993-11-21 Richard Stallman <rms@gnu.org>
25520 * src/bison.s1: *** empty log message ***
25522 1993-11-21 Richard Stallman <rms@gnu.org>
25524 * doc/bison.texinfo: entered into RCS
25526 * doc/bison.texinfo: *** empty log message ***
25528 1993-11-21 Richard Stallman <rms@gnu.org>
25530 * bison.simple: *** empty log message ***
25532 1993-10-25 David J. MacKenzie <djm@gnu.org>
25534 * doc/bison.texinfo: *** empty log message ***
25536 1993-10-19 Richard Stallman <rms@gnu.org>
25538 * src/bison.s1: *** empty log message ***
25540 1993-10-19 Richard Stallman <rms@gnu.org>
25542 * bison.simple: *** empty log message ***
25544 1993-10-14 Richard Stallman <rms@gnu.org>
25546 * src/bison.s1: *** empty log message ***
25548 1993-10-14 Richard Stallman <rms@gnu.org>
25550 * bison.simple: *** empty log message ***
25552 1993-09-14 David J. MacKenzie <djm@gnu.org>
25554 * doc/bison.texinfo: *** empty log message ***
25556 1993-09-13 Noah Friedman <friedman@gnu.org>
25558 * Makefile.in: *** empty log message ***
25560 1993-09-10 Richard Stallman <rms@gnu.org>
25562 * src/conflicts.c: *** empty log message ***
25564 * src/system.h: entered into RCS
25566 1993-09-10 Richard Stallman <rms@gnu.org>
25568 * doc/bison.1: entered into RCS
25570 1993-09-06 Noah Friedman <friedman@gnu.org>
25572 * src/version.c: entered into RCS
25574 1993-09-06 Noah Friedman <friedman@gnu.org>
25576 * Makefile.in: *** empty log message ***
25578 1993-07-30 David J. MacKenzie <djm@gnu.org>
25580 * Makefile.in: *** empty log message ***
25582 1993-07-24 Richard Stallman <rms@gnu.org>
25584 * src/bison.s1: *** empty log message ***
25586 1993-07-24 Richard Stallman <rms@gnu.org>
25588 * bison.simple: *** empty log message ***
25590 1993-07-08 David J. MacKenzie <djm@gnu.org>
25592 * Makefile.in: *** empty log message ***
25594 1993-07-04 Richard Stallman <rms@gnu.org>
25596 * src/bison.s1: *** empty log message ***
25598 1993-07-04 Richard Stallman <rms@gnu.org>
25600 * bison.simple: *** empty log message ***
25602 1993-06-26 David J. MacKenzie <djm@gnu.org>
25604 * src/getargs.c: entered into RCS
25606 1993-06-26 David J. MacKenzie <djm@gnu.org>
25608 * doc/bison.texinfo: *** empty log message ***
25610 * doc/bison.1: New file.
25612 1993-06-25 Richard Stallman <rms@gnu.org>
25614 * src/getargs.c: New file.
25616 1993-06-16 Richard Stallman <rms@gnu.org>
25618 * src/bison.s1: *** empty log message ***
25620 1993-06-16 Richard Stallman <rms@gnu.org>
25622 * bison.simple: *** empty log message ***
25624 1993-06-03 Richard Stallman <rms@gnu.org>
25626 * src/bison.s1: New file.
25628 1993-06-03 Richard Stallman <rms@gnu.org>
25630 * doc/bison.texinfo: *** empty log message ***
25632 1993-06-03 Richard Stallman <rms@gnu.org>
25634 * bison.simple: New file.
25636 1993-05-19 Richard Stallman <rms@gnu.org>
25638 * doc/bison.texinfo: New file.
25640 1993-05-07 Noah Friedman <friedman@gnu.org>
25642 * Makefile.in: *** empty log message ***
25644 1993-04-28 Noah Friedman <friedman@gnu.org>
25646 * src/reader.c: *** empty log message ***
25648 1993-04-23 Noah Friedman <friedman@gnu.org>
25650 * src/alloc.h: entered into RCS
25652 1993-04-20 David J. MacKenzie <djm@gnu.org>
25654 * src/version.c: *** empty log message ***
25656 * src/files.c, src/allocate.c:
25659 * src/reader.c: *** empty log message ***
25661 * src/lex.c: entered into RCS
25663 * src/conflicts.c: New file.
25665 * src/symtab.c: entered into RCS
25667 * src/alloc.h: New file.
25669 * src/LR0.c: entered into RCS
25671 1993-04-18 Noah Friedman <friedman@gnu.org>
25673 * src/reader.c: New file.
25675 * src/version.c: *** empty log message ***
25677 1993-04-18 Noah Friedman <friedman@gnu.org>
25679 * Makefile.in: *** empty log message ***
25681 1993-04-17 Noah Friedman <friedman@gnu.org>
25683 * Makefile.in: *** empty log message ***
25685 1993-04-15 Richard Stallman <rms@gnu.org>
25687 * src/main.c, src/files.c:
25690 1993-04-15 Noah Friedman <friedman@gnu.org>
25692 * configure.in: entered into RCS
25694 * configure.in: *** empty log message ***
25696 * configure.in: New file.
25698 1993-04-14 Richard Stallman <rms@gnu.org>
25700 * Makefile.in: New file.
25702 1993-04-13 Richard Stallman <rms@gnu.org>
25704 * src/version.c: New file.
25706 1993-03-25 Richard Stallman <rms@gnu.org>
25708 * src/output.c: entered into RCS
25710 1992-09-25 Richard Stallman <rms@gnu.org>
25712 * configure.bat: entered into RCS
25714 1992-06-22 Richard Stallman <rms@gnu.org>
25716 * src/vmsgetargs.c: entered into RCS
25718 1992-06-22 Richard Stallman <rms@gnu.org>
25720 * doc/bison.rnh: entered into RCS
25722 1992-04-20 David J. MacKenzie <djm@gnu.org>
25724 * README: entered into RCS
25726 1992-01-22 Richard Stallman <rms@gnu.org>
25728 * src/machine.h: entered into RCS
25730 1991-12-21 Richard Stallman <rms@gnu.org>
25732 * src/lalr.c, src/closure.c:
25735 1991-12-20 Richard Stallman <rms@gnu.org>
25737 * src/state.h: entered into RCS
25739 1991-12-18 Richard Stallman <rms@gnu.org>
25741 * src/print.c, src/nullable.c, src/derives.c:
25744 1991-11-03 David J. MacKenzie <djm@gnu.org>
25746 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
25749 1988-09-09 Richard Stallman <rms@gnu.org>
25751 * src/bison.hairy: entered into RCS
25753 1987-12-16 Richard Stallman <rms@gnu.org>
25755 * REFERENCES: entered into RCS
25760 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
25761 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
25762 2008, 2009, 2010 Free Software Foundation, Inc.
25764 Copying and distribution of this file, with or without
25765 modification, are permitted provided the copyright notice and this
25766 notice are preserved.
projects / bison.git / blob