1 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
3 Simplify last patch slightly.
4 * src/getargs.c (getargs): Here.
6 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
8 Fix last warning from --enable-gcc-warnings.
9 * src/getargs.c (getargs): Don't assign const address to non-const
12 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
14 Don't let maintainer-*-check targets force a version update.
15 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
18 2008-11-17 Di-an Jan <dianj@freeshell.org>
20 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
21 Align menus. Adjust word wrapping. Use node names for menu names.
22 (Examples): Don't abbreviate node names.
23 (LocalWords): Remove abbreviations.
24 (Copying): Make description a sentence.
25 (Java Action Features): Remove period to match the rest of menu.
27 2008-11-17 Di-an Jan <dianj@freeshell.org>
29 Handles several --enable-gcc-warnings.
30 * src/getargs.c (command_line_location): Set parameters to void.
31 * src/output.c (symbol_type_name_cmp): Make static.
32 (symbols_by_type_name): Set parameters to void.
33 (symbol_definitions_output): Remove unused parameter. Rename as...
34 (prepare_symbol_definitions): this.
35 (muscles_output): Move symbol_definitions_output to...
36 (output): here as prepare_symbol_definitions.
37 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
38 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
40 2008-11-17 Di-an Jan <dianj@freeshell.org>
42 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
43 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
45 2008-11-16 Akim Demaille <demaille@gostai.com>
47 Add missing $(EXEEXT).
48 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
50 Reported by Di-an Jan.
52 2008-11-15 Akim Demaille <demaille@gostai.com>
56 2008-11-15 Akim Demaille <demaille@gostai.com>
59 * tests/input.at: here.
61 2008-11-15 Akim Demaille <demaille@gostai.com>
63 Remove duplicate header inclusion.
66 2008-11-15 Akim Demaille <demaille@gostai.com>
68 * src/parse-gram.h, src/parse-gram.c: Regen.
70 2008-11-15 Akim Demaille <demaille@gostai.com>
72 Support parametric types.
74 There are two issues to handle: first scanning nested angle
75 bracket pairs to support types such as std::pair< std::string,
76 std::list<std::string> > >.
78 Another issue is to address idiosyncracies of C++: do not glue two
79 closing angle brackets together (otherwise it's operator>>), and
80 avoid sticking blindly a TYPE to the opening <, as it can result
81 in '<:' which is a digraph for '['.
83 * src/scan-gram.l (brace_level): Rename as...
86 Implement support for complex tags.
89 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
90 (b4_symbol_variant): Leave space around types as parameters.
91 * examples/variant.yy: Use nested template types and leading ::.
92 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
94 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
95 * tests/c++.at: Test parametric types.
97 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
100 This is not sufficient, but we test at least that the make_SYMBOL
101 interface is not affected by token.prefix. A more general test
102 will be implemented when the support of token.prefix is generalized
105 * tests/c++.at: One more variant test, using token.prefix.
107 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
109 Test the make_TOKEN interface.
110 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
111 Factor the common code in yylex.
112 Use it to test "%define lex_symbol".
114 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
118 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
120 Simplify code for variants bench marks.
121 * etc/bench.pl.in (&generate_grammar_list): Define and use
123 Factor the common code in yylex.
125 2008-11-15 Akim Demaille <demaille@gostai.com>
127 Better error message.
128 * bootstrap (find_tool): Fix the error message.
130 2008-11-15 Akim Demaille <demaille@gostai.com>
132 Update variant.yy to newest interface.
133 * examples/variant.yy: Define lex_symbol.
136 2008-11-15 Akim Demaille <demaille@gostai.com>
138 Don't use locations in variant.yy.
139 * examples/variant.yy: Adjust to not using locations.
141 2008-11-15 Akim Demaille <demaille@gostai.com>
144 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
145 comments for the license.
147 2008-11-15 Akim Demaille <demaille@gostai.com>
149 Remove tests/Makefile.am.
150 * tests/Makefile.am: Rename as...
151 * tests/local.mk: this.
152 * Makefile.am, configure.ac: Adjust.
153 * Makefile.am (DISTCLEANFILES): Define.
154 (maintainer-check, maintainer-xml-check, maintainer-push-check):
155 Remove, we no longer need to bounce to the real targets.
157 2008-11-15 Akim Demaille <demaille@gostai.com>
161 2008-11-15 Akim Demaille <demaille@gostai.com>
164 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
165 * djgpp/local.mk: this new file.
167 2008-11-15 Akim Demaille <demaille@gostai.com>
169 Remove doc/Makefile.am.
170 * doc/Makefile.am: Rename as...
171 * doc/local.mk: this.
173 * Makefile.am, configure.ac: Adjust.
174 * Makefile.am (MOSTLYCLEANFILES): New.
175 * src/local.mk: Adjust.
177 2008-11-15 Akim Demaille <demaille@gostai.com>
179 Move sc_tight_scope into maint.mk.
180 It does not work, and I don't know how it was supposed to work: it
181 seems to be looking for sources in the build tree. I just moved
182 it at a better place, fixing it is still required.
184 * src/local.mk (echo): Remove.
185 (sc_tight_scope): Move to...
188 2008-11-15 Akim Demaille <demaille@gostai.com>
191 * src/parse-gram.h, src/parse-gram.h: Regen.
193 2008-11-15 Akim Demaille <demaille@gostai.com>
195 Remove src/Makefile.am.
196 * src/Makefile.am: Rename as...
197 * src/local.mk: this.
198 Prefix all the paths with src/.
199 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
200 (AM_CPPFLAGS): Find find in builddir/src.
201 (YACC): Move the flags into...
203 * maint.mk (sc_tight_scope): Disable.
204 It used to bounce to the version in src/Makefile.am which is now
205 part of this very Makefile.
206 * Makefile.am, configure.ac: Adjust.
207 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
208 include "..." to find files "here": we are no longer in src/, so
209 qualify the includes with src/.
210 * doc/Makefile.am (PREPATH): No longer include the top_builddir
212 (.x.1): Adjust to be able to create src/foo from the top level
213 Makefile, instead of going bounce to src/Makefile the creation of
216 2008-11-15 Akim Demaille <demaille@gostai.com>
218 Remove useless variable.
219 * doc/Makefile.am (srcsrcdir): Remove.
221 2008-11-15 Akim Demaille <demaille@gostai.com>
223 Remove data/Makefile.am.
224 * data/Makefile.am: Rename as...
225 * data/local.mk: this.
227 * Makefile.am, configure.ac: Adjust.
229 2008-11-15 Akim Demaille <demaille@gostai.com>
231 Remove etc/Makefile.am.
232 * etc/Makefile.am: Rename as...
233 * etc/local.mk: this.
235 * Makefile.am, configure.ac: Adjust.
237 2008-11-15 Akim Demaille <demaille@gostai.com>
239 Remove examples/local.mk.
240 examples/calc++/Makefile.am might be interesting to keep as is, since
241 it is an example in itself.
243 * examples/Makefile.am: Rename as...
244 * examples/local.mk: this.
246 * Makefile.am, configure.ac: Adjust.
248 2008-11-15 Akim Demaille <demaille@gostai.com>
250 Remove build-aux/Makefile.am.
251 Recursive Makefiles are really way too slow, let's get rid of some of
254 * build-aux/Makefile.am: Rename as...
255 * build-aux/local.mk: this.
257 * Makefile.am, configure.ac: Adjust.
259 2008-11-15 Akim Demaille <demaille@gostai.com>
261 Provide convenience constructors for locations and positions.
262 * data/location.cc (position::position): Accept file, line and
263 column as arguments with default values.
264 Always qualify initial line and column literals as unsigned.
265 (location::location): Provide convenience constructors.
267 2008-11-15 Akim Demaille <demaille@gostai.com>
269 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
271 Using template buys us nothing, and makes it uselessly complex to
272 construct a symbol. Besides, it could not be generalized to other
273 languages, while make_FOO would work in C/Java etc.
275 * data/lalr1.cc (b4_symbol_): New.
277 (b4_symbol_constructor_declaration_)
278 (b4_symbol_constructor_definition_): Instead of generating
279 specializations of an overloaded template function, just generate
280 several functions whose names are forged from the token names
281 without the token.prefix.
282 (b4_symbol_constructor_declarations): Generate them for all the
283 symbols, not just by class of symbol type, now that instead of
284 specializing a function template by the token, we generate a
285 function named after the token.
286 (b4_symbol_constructor_specialization_)
287 (b4_symbol_constructor_specializations): Remove.
288 * etc/bench.pl.in: Adjust to this new API.
290 2008-11-13 Akim Demaille <demaille@gostai.com>
292 %define token.prefix.
293 Provide a means to add a prefix to the name of the tokens as
294 output in the generated files. Because of name clashes, it is
295 good to have such a prefix such as TOK_ that protects from names
296 such as EOF, FILE etc. But it clutters the grammar itself.
298 * data/bison.m4 (token.prefix): Empty by default.
299 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
300 * data/lalr1.cc (b4_symbol): Ditto.
302 2008-11-13 Akim Demaille <demaille@gostai.com>
304 Compute at M4 time some of the subtractions.
305 * data/lalr1.cc (b4_subtract): New.
306 (b4_rhs_data): Use it.
308 2008-11-13 Akim Demaille <demaille@gostai.com>
311 This allows the user to get the type of a token returned by yylex.
313 * data/lalr1.cc (symbol::token): New.
314 (yytoknum_): Define when %define lex_symbol, independently of
316 (yytoken_number_): Move into...
317 (symbol::token): here, since that's the only use.
318 The other one is YYPRINT which was not officially supported
319 by lalr1.cc, and anyway it did not work since YYPRINT uses this
320 array under a different name (yytoknum).
322 2008-11-13 Akim Demaille <demaille@gostai.com>
325 * TODO (YYERRCODE): Mention the case of $undef.
327 2008-11-13 Akim Demaille <demaille@gostai.com>
330 * TODO (YYPRINT): New.
332 2008-11-13 Akim Demaille <demaille@gostai.com>
335 * data/lalr1.cc, data/yacc.c: Fix the description of the
336 yytranslate and yytoknum tables.
338 2008-11-13 Akim Demaille <demaille@gostai.com>
340 Define make_symbol in the header.
341 To reach good performances these functions should be inlined (yet
342 this is to measure precisely). To this end they must be available
345 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
346 location_type with the class name.
347 Since will now be output in the header, declare "inline".
348 No longer use b4_symbol_constructor_specializations, but
349 b4_symbol_constructor_definitions in the header.
350 Don't call it in the *.cc file.
352 2008-11-13 Akim Demaille <demaille@gostai.com>
354 Define yytranslate in the header for lex_symbol.
355 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
356 into the header file when using %define lex_symbol.
357 (yytranslate_): Declare inline.
359 2008-11-13 Akim Demaille <demaille@gostai.com>
361 Define the constructors of symbol_type in
362 b4_symbol_constructor_definitions.
363 The constructors are called by the make_symbol functions, which a
364 forthcoming patch will move elsewhere. Hence the interest of
365 putting them together.
367 The stack_symbol_type does not need to be moved, it is used only
370 * data/lalr1.cc: Move symbol_type and symbol_base_type
372 (b4_symbol_constructor_definitions): here.
375 2008-11-13 Akim Demaille <demaille@gostai.com>
377 Make it easier to move the definition of yytranslate_.
378 Forthcoming changes will make it possible to use yytranslate_
379 from outside the parser implementation file.
381 * data/lalr1.cc (b4_yytranslate_definition): New.
384 2008-11-13 Akim Demaille <demaille@gostai.com>
386 Remove useless class specification.
387 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
388 to refer to the class name to use a type defined by the class for
389 arguments of member functions.
391 2008-11-13 Akim Demaille <demaille@gostai.com>
393 Finer input type for yytranslate.
394 This patch is debatable: the tradition expects yylex to return an int
395 which happens to correspond to token_number (which is an enum). This
396 allows for instance to return characters (such as '*' etc.). But this
397 goes against the stronger typing I am trying to have with the new
398 lex interface which return a symbol_type. So in this case, feed
399 yytranslate_ with a token_type.
401 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
404 2008-11-13 Akim Demaille <demaille@gostai.com>
406 Honor lex-params in %define lex_symbol mode.
407 * data/lalr1.cc: Use b4_lex_param.
409 2008-11-13 Akim Demaille <demaille@gostai.com>
412 * src/output.c (symbol_definitions_output): Rename symbol
413 attributes type_name and has_type_name as type and has_type.
414 * data/lalr1.cc: Adjust uses.
416 2008-11-13 Akim Demaille <demaille@gostai.com>
418 Use b4_type_names for the union type.
419 The union used to compute the size of the variant used to iterate
420 over the type of all the symbols, with a lot of redundancy. Now
421 iterate over the lists of symbols having the same type-name.
423 * data/lalr1.cc (b4_char_sizeof_): New.
424 (b4_char_sizeof): Use it.
425 Adjust to be called with a list of numbers instead of a single
427 Adjust its caller for new-line issues.
429 2008-11-13 Akim Demaille <demaille@gostai.com>
431 Define the "identifier" of a symbol.
432 Symbols may have several string representations, for instance if
433 they have an alias. What I call its "id" is a string that can be
434 used as an identifier. May not exist.
436 Currently the symbols which have the "tag_is_id" flag set are
437 those that don't have an alias. Look harder for the id.
439 * src/output.c (is_identifier): Move to...
440 * src/symtab.c (is_identifier): here.
441 * src/symtab.h, src/symtab.c (symbol_id_get): New.
442 * src/output.c (symbol_definitions_output): Use it to define "id"
444 Remove the definition of "tag_is_id".
445 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
446 "tag_is_id" were used to produce code.
447 We still use "tag" for documentation.
449 2008-11-11 Akim Demaille <demaille@gostai.com>
451 Locations are no longer required by lalr1.cc.
452 * data/lalr1.cc (_b4_args, b4_args): New.
453 Adjust all uses of locations to make them optional.
454 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
455 (AT_CHECK_NAMESPACE): Check the use of locations.
456 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
457 without locations with lalr1.cc.
459 * tests/output.at: Check lalr1.cc with and without location
461 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
464 2008-11-11 Akim Demaille <demaille@gostai.com>
467 * tests/local.at (AT_FULL_COMPILE): New.
468 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
470 2008-11-11 Akim Demaille <demaille@gostai.com>
472 Support parens in calc++.
473 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
474 * examples/calc++/test (run): Check the expected output.
478 2008-11-11 Akim Demaille <demaille@gostai.com>
480 Simplify lalr1.cc since %defines is mandatory.
481 * data/lalr1.cc: Remove useless calls to b4_defines_if.
483 2008-11-11 Akim Demaille <demaille@gostai.com>
486 * TODO (yysyntax_error): New item.
488 2008-11-11 Akim Demaille <demaille@gostai.com>
491 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
494 2008-11-11 Akim Demaille <demaille@gostai.com>
496 Support i18n of the parse error messages.
497 * TODO (lalr1.cc/I18n): Remove.
498 * data/lalr1.cc (yysyntax_error_): Support the translation of the
499 error messages, as done in yacc.c.
500 Stay within the yy* pseudo namespace.
502 2008-11-11 Akim Demaille <demaille@gostai.com>
505 * TODO (single stack, yysyntax_error): New.
507 2008-11-11 Akim Demaille <demaille@gostai.com>
509 Make it possible to return a symbol_type from yylex.
510 * data/lalr1.cc (b4_lex_symbol_if): New.
511 (parse): When lex_symbol is defined, expected yylex to return the
513 * etc/bench.pl.in (generate_grammar_list): Extend to support this
515 (bench_variant_parser): Exercise it.
517 2008-11-11 Akim Demaille <demaille@gostai.com>
519 Remove useless bench case.
520 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
523 2008-11-11 Akim Demaille <demaille@gostai.com>
525 Improve display of directives.
526 * etc/bench.pl.in (parse_term): Don't add useless eol.
528 2008-11-11 Akim Demaille <demaille@gostai.com>
530 Use string_cast in the bench.
531 * etc/bench.pl.in (generate_grammar_list): Define and use
534 2008-11-11 Akim Demaille <demaille@gostai.com>
536 Replace yychar with a Boolean.
537 * data/lalr1.cc (parse::yychar): Replace by...
538 (parse::yyempty): this.
540 2008-11-11 Akim Demaille <demaille@gostai.com>
545 2008-11-11 Akim Demaille <demaille@gostai.com>
547 Let yytranslate handle the eof case.
548 * data/lalr1.cc (yytranslate_): Handle the EOF case.
550 No longer expect yychar to be equal to yyeof_, rather, test the
551 lookahead's (translated) kind.
553 2008-11-11 Akim Demaille <demaille@gostai.com>
555 yychar cannot be empty in yyerrlab.
556 * TODO (yychar == yyempty_): New.
557 * data/lalr1.cc: Remove the handling of this case.
558 This eases forthcoming changes related to yychar and yytranslate.
560 2008-11-11 Akim Demaille <demaille@gostai.com>
562 Bench: syntactic sugar for %define/#define.
563 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
564 (&bench_push_parser, bench_variant_parser): Use this feature.
568 2008-11-11 Akim Demaille <demaille@gostai.com>
570 Less memory pressure on the "list" bench.
571 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
572 the values, to limit memory pressure.
574 2008-11-11 Akim Demaille <demaille@gostai.com>
576 Introduce make_symbol.
577 make_symbol provides a means to construct a full symbol (kind,
578 value, location) in a single shot. It is meant to be a Symbol
579 constructor, parameterized by the symbol kind so that overloading
580 would prevent incorrect kind/value pairs. Unfortunately
581 parameterized constructors do not work well in C++ (unless the
582 parameter also appears as an argument, which is not acceptable),
583 hence the use of a function instead of a constructor.
585 * data/lalr1.cc (b4_symbol_constructor_declaration_)
586 (b4_symbol_constructor_declarations)
587 (b4_symbol_constructor_specialization_)
588 (b4_symbol_constructor_specializations)
589 (b4_symbol_constructor_definition_)
590 (b4_symbol_constructor_definitions): New.
591 Use them where appropriate to generate declaration, declaration of
592 the specializations, and implementations of the templated
593 overloaded function "make_symbol".
594 (variant::variant): Always define a default ctor.
595 Also provide a copy ctor.
596 (symbol_base_type, symbol_type): New ctor overloads for value-less
598 (symbol_type): Now public, so that functions such as yylex can use
601 2008-11-11 Akim Demaille <demaille@gostai.com>
603 Inform m4 whether a tag is a valid id.
604 * src/output.c (is_identifier): New.
605 (symbol_definitions_output): Use it to define tag_is_id.
606 But maybe this should be done at m4 level?
608 2008-11-11 Akim Demaille <demaille@gostai.com>
610 Test 214 was failing: it greps with a pattern containing [ ]*
611 which obviously meant to catch spaces and tabs, but contained only
612 spaces. Tabulations in sources are a nuisance, so to simplify the
613 matter, get rid of all the tabulations in the Java sources. The
614 other skeletons will be treated equally later.
616 * data/java.m4, data/lalr1.java: Untabify.
617 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
618 tabulations are no longer generated.
620 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
622 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
623 * configure.ac: Adjust usage.
624 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
625 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
626 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
628 2008-11-10 Di-an Jan <dianj@freeshell.org>
630 Workaround Java's ``code too large'' problem for parser tables
631 in most cases, by using one function per initialization.
632 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
633 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
634 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
635 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
636 (yytname_): Use b4_typed_parser_table.
637 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
638 ``code too large'' error.
640 2008-11-10 Di-an Jan <dianj@freeshell.org>
642 * NEWS: Document them.
644 General Java skeleton improvements.
645 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
646 using gcj < 4.3 in the testsuite, according to comments in
647 gnulib/m4/javacomp.m4.
648 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
649 location_type, position_type): Remove extraneous brackets from
650 b4_percent_define_default.
651 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
652 m4_define and m4_define_default.
653 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
654 which marks the end of user code with appropriate syncline, like all
656 (b4_user_post_prologue): Add. Don't silently drop.
658 (parse): Inline yylex.
659 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
660 (%{...%}): Fix typo of %code imports.
661 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
663 Support annotations on parser class with %define annotations.
664 * data/lalr1.java (annotations): Add to parser class modifier.
665 * doc/bison.texinfo (Java Parser Interface): Document
667 (Java Declarations Summary): Document %define annotations.
668 * tests/java.at (Java parser class modifiers): Test annotations.
670 Do not generate code for %error-verbose unless requested.
671 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
672 Make private. Make conditional on %error-verbose.
673 (getErrorVerbose, setErrorVerbose): New.
674 (yytnamerr_): Make conditional on %error-verbose.
675 (yysyntax_error): Make some code conditional on %error-verbose.
676 * doc/bison.texinfo (Java Bison Interface): Remove the parts
677 about %error-verbose having no effect.
678 (getErrorVerbose, setErrorVerbose): Document.
680 Move constants for token names to Lexer interface.
681 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
682 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
683 (parse): Qualify EOF to Lexer.EOF.
684 * doc/bison.texinfo (Java Parser Interface): Move documentation of
685 EOF and token names to Java Lexer Interface.
686 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
689 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
690 (yyerror): Change to public. Add Javadoc comments. Use longer
691 parameter names. Make the body rather than the declarator
692 conditional on %locations.
693 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
695 Allow user to add code to the constructor with %code init.
696 * data/java.m4 (b4_init_throws): New, for %define init_throws.
697 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
698 Add %code init to the front of the constructor body.
699 * doc/bison.texinfo (YYParser.YYParser): Document %code init
700 and %define init_throws.
701 (Java Declarations Summary): Document %code init and
703 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
704 (Java constructor init and init_throws): Add tests.
706 2008-11-10 Akim Demaille <demaille@gostai.com>
709 * TODO (-D): is implemented.
710 (associativity): Same precedence must have the same associativity.
711 For instance, how can a * b / c be parsed if * is %left and / is
713 (YYERRORCODE, YYFAIL, YYBACKUP): New.
715 2008-11-10 Akim Demaille <demaille@gostai.com>
719 2008-11-10 Akim Demaille <demaille@gostai.com>
721 More information about the symbols.
722 * src/output.c (type_names_output): Document all the symbols,
723 including those that don't have a type-name.
724 (symbol_definitions_output): Define "is_token" and
726 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
727 type-name, now that they are defined too in b4_type_names.
729 2008-11-10 Akim Demaille <demaille@gostai.com>
733 2008-11-10 Akim Demaille <demaille@gostai.com>
735 Make parser::yytranslate static.
736 Small speedup (1%) on the list grammar. And makes yytranslate_
737 available in non member functions.
739 * data/lalr1.cc (yytranslate_): Does not need to be a instance
742 2008-11-10 Akim Demaille <demaille@gostai.com>
744 Avoid trailing spaces.
745 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
746 * data/lalr1.cc: Don't indent before rule and symbol actions, as
747 they can be empty, and anyway this incorrectly indents the first
750 2008-11-10 Akim Demaille <demaille@gostai.com>
754 2008-11-10 Akim Demaille <demaille@gostai.com>
756 Use "enum" for integral constants.
757 This is just nicer to read, I observed no speedup.
759 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
760 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
761 (yyuser_token_number_max_, yyundef_token_): Move into...
762 (yytranslate_): here.
764 2008-11-10 Akim Demaille <demaille@gostai.com>
766 Shortcuts in bench directives.
767 * etc/bench.pl.in (parse_dirs): New.
769 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
770 Create the benches in "benches/".
772 2008-11-10 Akim Demaille <demaille@gostai.com>
775 * data/lalr1.cc: here.
777 2008-11-10 Akim Demaille <demaille@gostai.com>
779 Adjust verbose message to using emacs.
780 * etc/bench.pl.in: Inform compilation-mode when we change the
782 (generate_grammar_list): Recognize %define "variant" in addition
785 2008-11-10 Akim Demaille <demaille@gostai.com>
787 Classify symbols by type-name.
788 * src/uniqstr.h (UNIQSTR_CMP): New.
789 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
790 (type_names_output): New.
791 (muscles_output): Use it.
792 * data/lalr1.cc (b4_symbol_action_): Remove.
793 (b4_symbol_case_, b4_type_action_): New.
794 Adjust uses of b4_symbol_action_ to use b4_type_action_.
796 2008-11-10 Akim Demaille <demaille@gostai.com>
798 Change the handling of the symbols in the skeletons.
799 Before we were using tables which lines were the symbols and which
800 columns were things like number, tag, type-name etc. It is was
801 difficult to extend: each time a column was added, all the numbers had
802 to be updated (you asked for colon $2, not for "tag"). Also, it was
803 hard to filter these tables when only a subset of the symbols (say the
804 tokens, or the nterms, or the tokens that have and external number
805 *and* a type-name) was of interest.
807 Now instead of monolithic tables, we define one macro per cell. For
808 instance "b4_symbol(0, tag)" is a macro name which contents is
809 self-decriptive. The macro "b4_symbol" provides easier access to
812 * src/output.c (type_names_output): Remove.
813 (symbol_numbers_output, symbol_definitions_output): New.
814 (muscles_output): Call them.
815 (prepare_symbols): Define b4_symbols_number.
817 2008-11-10 Akim Demaille <demaille@gostai.com>
820 * src/getargs.h, src/getargs.c (trace_muscle): New.
821 (trace_types, trace_args): Support it.
822 * src/output.c (output_skeleton): Use it.
824 2008-11-10 Akim Demaille <demaille@gostai.com>
827 * src/output.c (muscles_output): New, extracted from...
828 (output_skeleton): here.
831 2008-11-10 Akim Demaille <demaille@gostai.com>
835 2008-11-10 Akim Demaille <demaille@gostai.com>
837 Update the variant example.
838 * examples/variant.yy: Formatting changes.
841 2008-11-10 Akim Demaille <demaille@gostai.com>
843 Support constructor with an argument.
844 This improves the "list" bench by 2%.
846 * data/lalr1.cc (variant::build): Add an overloaded version with
848 * tests/c++.at (AT_CHECK_VARIANT): Check it.
850 2008-11-10 Akim Demaille <demaille@gostai.com>
853 * tests/c++.at (AT_CHECK_VARIANTS): New.
854 Use it with and without %define assert.
856 2008-11-10 Akim Demaille <demaille@gostai.com>
858 Add %precedence support.
859 Unfortunately it is not possible to reuse the %prec directive. This
860 is because to please POSIX, we do not require to end the rules with a
861 semicolon. As a result,
865 is ambiguous: either a rule which precedence is that of baz, or a rule,
866 and then a declaration of the precedence of the token baz.
868 * doc/bison.texinfo: Document %precedence.
869 (Precedence Only): New.
870 * src/assoc.h, src/assoc.c (precedence_assoc): New.
871 * src/conflicts.c (resolve_sr_conflict): Support it.
872 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
874 * tests/calc.at: Use %precedence for NEG.
875 * tests/conflicts.at (%precedence does not suffice)
876 (%precedence suffices): New tests.
878 2008-11-09 Akim Demaille <demaille@gostai.com>
880 Make benches in a sub dirs.
881 * etc/bench.pl.in ($dir): New.
883 Check the use of constructors with an argument.
884 (bench_variant_parser): Fix.
886 2008-11-09 Akim Demaille <demaille@gostai.com>
890 2008-11-09 Akim Demaille <demaille@gostai.com>
894 2008-11-09 Akim Demaille <demaille@gostai.com>
896 Require the generation of parse-gram.output.
897 * src/Makefile.am (YACC): Pass --report=all.
899 2008-11-09 Akim Demaille <demaille@gostai.com>
903 2008-11-09 Akim Demaille <demaille@gostai.com>
906 * TODO: Remove obsolete items.
909 2008-11-09 Akim Demaille <demaille@gostai.com>
912 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
913 (@token, $grammar, $bench): New.
914 (generate_grammar_variant): Rename as...
915 (generate_grammar_list): this.
916 (generate_grammar): Adjust.
917 (bench_grammar): Rename as...
919 Use it in the various bench-marking routines.
920 (-b, -g): New options.
922 2008-11-09 Akim Demaille <demaille@gostai.com>
924 Use a static hierarchy for symbols in the C++ parser.
925 * data/lalr1.cc (symbol_base_type, symbol_type)
926 (stack_symbol_type): Make it a static hierarchy.
929 2008-11-09 Akim Demaille <demaille@gostai.com>
931 bench.pl -d, --directive.
932 * etc/bench.pl.in (@directive): New.
933 (&bench_grammar): Use it.
934 (&bench_list_grammar): New, to provide access to the "variant"
937 (getopts): Support -d, --directive.
939 2008-11-09 Akim Demaille <demaille@gostai.com>
941 Use inline for small operations.
942 * data/lalr1.cc (symbol_base_type, symbol_type)
943 (stack_symbol_type): Declare constructor and other operations as
945 (yy_destroy_): Inline.
947 2008-11-09 Akim Demaille <demaille@gostai.com>
949 Introduce a hierarchy for symbols.
950 * data/lalr1.cc (symbol_base_type, symbol_type): New.
951 (data_type): Rename as...
952 (stack_symbol_type): this.
953 Derive from symbol_base_type.
954 (yy_symbol_value_print_): Merge into...
955 (yy_symbol_print_): this.
958 (yydestruct_): Rename as...
960 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
961 (parser::parse): yyla is now of symbol_type.
962 Use its type member instead of yytoken.
964 2008-11-09 Akim Demaille <demaille@gostai.com>
966 Rename data_type and stack_symbol_type.
967 * data/lalr1.cc (data_type): Rename as...
968 (stack_symbol_type): this.
970 2008-11-09 Akim Demaille <demaille@gostai.com>
972 Handle semantic value and location together.
973 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
974 yydata.value and yydata.location.
975 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
976 (YY_SYMBOL_PRINT): Now take semantic value and location as a
979 (yydestruct_): New overload for a stack symbol.
981 2008-11-09 Akim Demaille <demaille@gostai.com>
983 Push a complete symbol, not connected parts.
984 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
985 state, value and location.
988 2008-11-09 Akim Demaille <demaille@gostai.com>
990 Agregate yylval and yylloc.
991 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
992 (parser::yyla): this.
994 2008-11-09 Akim Demaille <demaille@gostai.com>
996 Rely on the state stack to display reduction traces.
997 To display rhs symbols before a reduction, we used information
998 about the rule reduced, which required the tables yyrhs and
999 yyprhs. Now use rely only on the state stack to get the same
1002 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
1004 (parser::yyrhs_, parser::yyprhs_): Remove.
1005 (parser::yy_reduce_print_): Use the state stack.
1007 2008-11-09 Akim Demaille <demaille@gostai.com>
1009 Fuse yyval and yyloc into yylhs.
1010 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
1012 (parse): Replace yyval and yyloc with yylhs.value and
1014 After a user action, compute yylhs.state earlier.
1015 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
1018 2008-11-09 Di-an Jan <dianj@freeshell.org>
1020 Remove unused variable.
1021 * src/output.c (type_names_output): Remove unused variable sep.
1023 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
1025 Change tests/output.at quoting.
1026 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
1027 expanding arguments.
1029 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1031 Don't add a semicolon to actions for %skeleton or %language.
1032 It breaks Java test cases as reported by Akim Demaille.
1033 * src/scan-code.l: Implement.
1035 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1037 Clean up %skeleton and %language priority implementation.
1038 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
1039 remove static qualifier because others will soon need to see it.
1040 (language_prio): Likewise.
1041 (getargs): Use command_line_prio rather than 0.
1042 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
1044 (skeleton_prio): Extern it.
1045 (language_prio): Extern it.
1046 * src/parse-gram.y: Use grammar_prio rather than 1.
1048 2008-11-07 Akim Demaille <demaille@gostai.com>
1050 Moving push traces into yypush_.
1051 * data/lalr1.cc (yypush_): Now takes a optional trace message.
1054 2008-11-07 Akim Demaille <demaille@gostai.com>
1056 The single-stack C++ parser is now the standard one.
1057 * data/lalr1.cc: Rename as...
1058 * data/lalr1-split.cc: this.
1059 * data/lalr1-fusion.cc: Rename as...
1060 * data/lalr1.cc: this.
1061 * etc/bench.pl.in: Adjust.
1063 2008-11-07 Akim Demaille <demaille@gostai.com>
1065 Avoid empty-if warnings.
1066 Reported by Quentin Hocquet.
1068 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
1069 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
1071 2008-11-07 Akim Demaille <demaille@gostai.com>
1073 Pass command line location to skeleton_arg and language_argmatch.
1074 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
1075 The location argument is now mandatory.
1076 Adjust all dependencies.
1077 (getargs): Use command_line_location.
1079 2008-11-07 Akim Demaille <demaille@gostai.com>
1082 * src/getargs.c (usage): Document -D.
1083 Fix help string for --locations.
1084 (command_line_location): New.
1085 (short_options, long_options, getargs): Support -D, --define.
1086 (getargs): Move -d support at the right place.
1087 * doc/bison.texinfo (Bison Options): Update.
1088 * tests/input.at (%define, --define): New.
1090 2008-11-07 Akim Demaille <demaille@gostai.com>
1092 Initialize the muscle table before parsing the command line.
1093 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
1094 (getargs): Define file_name.
1095 * src/main.c (main): Initialize muscle_tab before calling
1097 * src/muscle_tab.c (muscle_init): No longer define file_name, as
1098 its value is not available yet.
1100 2008-11-07 Akim Demaille <demaille@gostai.com>
1102 Locations without columns for command line arguments.
1103 * src/location.c (location_print): Don't display negative columns.
1104 * src/location.h: Document this.
1106 2008-11-07 Akim Demaille <demaille@gostai.com>
1109 * src/getargs.c (usage): Fix help string for -W.
1111 2008-11-07 Akim Demaille <demaille@gostai.com>
1113 Handle more general types of option arguments.
1114 * build-aux/cross-options.pl: The argument ends at the first
1115 space, not the first non-symbol character.
1116 Use @var for each word appearing the argument description.
1118 2008-11-07 Akim Demaille <demaille@gostai.com>
1120 Destroy the variants that remain on the stack in case of error.
1121 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
1123 Display the value only if yymsg is nonnull.
1124 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
1126 2008-11-07 Akim Demaille <demaille@gostai.com>
1128 Add "%define assert" to variants.
1129 This is used to help the user catch cases where some value gets
1130 ovewritten by a new one. This should not happen, as this will
1133 Unfortunately this uncovered a bug in the C++ parser itself: the
1134 lookahead value was not destroyed between two calls to yylex. For
1135 instance if the previous lookahead was a std::string, and then an int,
1136 then the value of the std::string was correctly taken (i.e., the
1137 lookahead was now an empty string), but std::string structure itself
1140 This is now done in variant::build(other&) (which is used to take the
1141 value of the lookahead): other is not only stolen from its value, it
1142 is also destroyed. This incurs a new performance penalty of a few
1143 percent, and union becomes faster again.
1145 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
1146 (b4_variant_if): New.
1147 (variant::built): New.
1148 Use it whereever the status of the variant changes.
1149 * etc/bench.pl.in: Check the penalty of %define assert.
1151 2008-11-07 Akim Demaille <demaille@gostai.com>
1153 Use "%define variant" in bench.pl.
1154 * etc/bench.pl.in: No longer use the pseudo directive %variants,
1155 just use %define variants.
1157 2008-11-07 Akim Demaille <demaille@gostai.com>
1160 * src/parse-gram.h, src/parse-gram.c: Regen.
1162 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
1164 Fix user actions without a trailing semicolon.
1165 Reported by Sergei Steshenko at
1166 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
1167 * THANKS (Sergei Steshenko): Add.
1168 * src/scan-code.l (SC_RULE_ACTION): Fix it.
1169 * tests/regression.at (Fix user actions without a trailing semicolon):
1172 2008-11-04 Akim Demaille <demaille@gostai.com>
1174 Use b4_copyright_years.
1175 * data/yacc.c (b4_copyright_years): New.
1176 Fix its value according to the comments in the file.
1177 Use it and undefine it.
1179 2008-11-04 Akim Demaille <demaille@gostai.com>
1182 * data/lalr1-fusion.cc, src/parse-gram.y: here.
1184 2008-11-04 Akim Demaille <demaille@gostai.com>
1187 * data/lalr1-fusion.cc: here.
1189 2008-11-04 Akim Demaille <demaille@gostai.com>
1191 Use strict on bench.pl.
1192 * etc/bench.pl.in (&run, &generate_grammar): New.
1193 Rename the grammar generating functions for consistency.
1194 Change the interface so that the list of benches to run is passed
1195 as (optionless) arguments.
1196 (&compile): Use &run.
1198 2008-11-04 Akim Demaille <demaille@gostai.com>
1200 Remove spurious initial empty lines.
1201 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1202 * data/yacc.c: End the @output lines with an @.
1204 2008-11-04 Akim Demaille <demaille@gostai.com>
1206 Improve the display of sizes.
1207 * etc/bench.p.in: Higher precision.
1208 Sort by decreasing size.
1210 2008-11-04 Akim Demaille <demaille@gostai.com>
1212 Don't memcpy C++ structures.
1213 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
1215 (variant::build): New overload for
1216 copy-construction-that-destroys.
1217 (variant::swap): New.
1218 (parser::yypush_): Use it in variant mode.
1220 2008-11-04 Akim Demaille <demaille@gostai.com>
1222 Better defaults for bench.pl.
1223 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
1225 Adjust &verbose uses.
1228 2008-11-04 Akim Demaille <demaille@gostai.com>
1230 Make variant.yy more complex.
1231 std::list cannot be copied via memcpy, they are more demanding than
1232 std::string. Use one std::list to strengthen the test.
1234 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
1236 Create a list of strings, instead of a single large string.
1238 2008-11-04 Akim Demaille <demaille@gostai.com>
1241 * etc/bench.pl.in (--bench, $bench): New.
1243 2008-11-04 Akim Demaille <demaille@gostai.com>
1246 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
1247 Define it after as().
1249 2008-11-04 Akim Demaille <demaille@gostai.com>
1252 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
1254 2008-11-04 Akim Demaille <demaille@gostai.com>
1256 Issue missing synclines after user actions.
1257 * data/c.m4 (b4_case): Issue synclines on the output file.
1259 2008-11-04 Akim Demaille <demaille@gostai.com>
1261 Remove trailing empty line.
1262 * data/lalr1-fusion.cc: Don't add an empty line after the user's
1265 2008-11-04 Akim Demaille <demaille@gostai.com>
1267 Fix output of copyright years.
1268 * data/bison.m4 (b4_copyright): Fix the indentation of the
1269 copyright year paragraph.
1270 Use b4_copyright_years when no years are given.
1271 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
1272 (b4_copyright_years): New.
1275 2008-11-04 Akim Demaille <demaille@gostai.com>
1277 Avoid the spurious initial empty line.
1278 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
1279 the end of @output request to suppress the empty line that
1282 2008-11-04 Akim Demaille <demaille@gostai.com>
1284 Remove parser::rhs_number_type.
1285 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
1286 (yyrhs_): Use b4_table_define.
1288 2008-11-04 Akim Demaille <demaille@gostai.com>
1291 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
1293 2008-11-04 Akim Demaille <demaille@gostai.com>
1295 Factor the declaration of the integer tables.
1296 * data/lalr1-fusion.cc (b4_table_define): New.
1299 2008-11-03 Akim Demaille <demaille@gostai.com>
1301 Fix indentation of tables in lalr1.cc
1302 * data/lalr1-fusion.cc: Fix the indentation.
1304 2008-11-03 Akim Demaille <demaille@gostai.com>
1306 Destroy the lhs symbols after reduction.
1307 * data/lalr1-fusion.cc (parse): After the user action, when in
1308 variant mode, destroy the lhs symbols.
1310 2008-11-03 Akim Demaille <demaille@gostai.com>
1312 Simplify yysyntax_error_ use.
1313 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
1314 type, but make it unnamed in the declaration when it is not used.
1316 2008-11-03 Akim Demaille <demaille@gostai.com>
1318 Let yy::variant::build return an lvalue.
1319 * data/lalr1-fusion.cc (variant::build): Return a reference to the
1322 2008-11-03 Akim Demaille <demaille@gostai.com>
1324 Define yy::variant only when needed.
1325 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
1328 2008-11-03 Akim Demaille <demaille@gostai.com>
1330 Bench the three-stack lalr1.cc.
1331 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
1334 2008-11-03 Akim Demaille <demaille@gostai.com>
1336 Fail on parse error in calc++.
1337 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
1339 * examples/calc++/test ($me, $number, $exit, run): New.
1340 Use them to propagate errors to the exit status.
1342 2008-11-03 Akim Demaille <demaille@gostai.com>
1344 Don't specify the skeleton twice in the example.
1345 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
1346 file does what is needed.
1348 2008-11-03 Akim Demaille <demaille@gostai.com>
1350 bench: Improve output.
1351 * etc/bench.pl.in (bench_grammar): Tune the printf format.
1353 2008-11-03 Akim Demaille <demaille@gostai.com>
1355 bench: check impact of %debug on variants.
1356 * etc/bench.pl.in (variant_grammar): Fix the computation of
1358 Generate a grammar file that can work with or without %debug.
1359 Do use the @directive.
1360 (bench_variant_parser): Check impact of %debug.
1361 (@directives): Rename all the occurrences to...
1362 (@directive): this, for consistency.
1364 2008-11-03 Akim Demaille <demaille@gostai.com>
1366 bench: report the size too.
1367 * etc/bench.pl.in ($iterations): Defaults to -3.
1368 (&bench_grammar): Require hireswallclock.
1369 Compute and display the size of the result.
1372 2008-11-03 Akim Demaille <demaille@gostai.com>
1374 bench: More use of the verbosity level.
1375 * etc/bench.pl.in ($verbose, &verbose): New.
1377 More POD documentation.
1379 2008-11-03 Akim Demaille <demaille@gostai.com>
1381 bench.pl: a command line interface
1382 * etc/bench.pl.in: More doc.
1383 Some fixes in the documentation.
1384 ($cflags, $iterations, &help, &getopt): New.
1386 (&variant_grammar): Let the number of stages be 10 times what is
1389 2008-11-03 Akim Demaille <demaille@gostai.com>
1391 Bench the use of Boost.Variants.
1392 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
1394 (&compile): Be ready to compile C++ parsers.
1395 (&bench_push_parser): Move debug information to the outermost
1397 * THANKS: Add Michiel De Wilde.
1399 2008-11-03 Akim Demaille <demaille@gostai.com>
1401 bench.pl: Pass directives as a list instead of as a string.
1402 * etc/bench.pl.in (&directives): New.
1403 (&triangular_grammar, &calc_grammar): Use it to format the Bison
1405 (&triangular_grammar): Do use the directives (were ignored).
1406 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
1409 2008-11-03 Akim Demaille <demaille@gostai.com>
1411 Improve genericity of bench.pl.
1412 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
1414 (&bench_push_parser): New.
1417 2008-11-03 Akim Demaille <demaille@gostai.com>
1419 Add documentation to bench.pl.
1420 * etc/bench.pl.in: Comment changes.
1422 2008-11-03 Akim Demaille <demaille@gostai.com>
1424 Fuse the three stacks into a single one.
1426 In order to make it easy to perform benchmarks to ensure that
1427 there are no performance loss, lalr1.cc is forked into
1428 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
1431 Meanwhile, to make sure that lalr1-fusion.cc is correctly
1432 exercized by the test suite, the user must install a symbolic link
1433 from lalr1.cc to it.
1435 Instead of having three stacks (state, value, location), use a
1436 stack of triples. This considerably simplifies the code (and it
1437 will be easier not to require locations as currently does the C++
1438 parser), and also gives a 10% speedup according to
1439 etc/bench (probably mainly since memory allocation is done once
1440 instead of three times).
1442 Another motivation is to make it easier to destruct properly
1443 semantic values: now that they are bound to their state (hence
1444 symbol type) it will be easier to call the appropriate destructor.
1446 These changes should probably benefit the C parser too.
1448 * data/lalr1.cc: Copy as...
1449 * data/lalr1-fusion.cc: this new file.
1450 (b4_rhs_value, b4_rhs_location): New definitions overriding those
1452 (state_stack_type, semantic_stack_type, location_stack_type)
1453 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
1454 (data_type, stack_type, yystack_): New.
1455 (YYLLOC_DEFAULT, yypush_): Adjust.
1456 (yyerror_range): Now based on data_type, not location_type.
1458 2008-11-03 Akim Demaille <demaille@gostai.com>
1460 Push the state, value, and location at the same time.
1461 This is needed to prepare a forthcoming patch that fuses the three
1464 * data/lalr1.cc (parser::yypush_): New.
1465 (parser::yynewstate): Change the semantics: instead of arriving to
1466 this label when value and location have been pushed, but yystate
1467 is to be pushed on the state stack, now the three of them must
1468 have been pushed before. yystate still must be the new state.
1469 This allows to use yypush_ everywhere instead of individual
1470 handling of the stacks.
1472 2008-11-03 Akim Demaille <demaille@gostai.com>
1474 Prefer references to pointers.
1475 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
1476 definition to use references instead of pointers.
1477 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
1478 Take the value and location as references.
1481 2008-11-03 Akim Demaille <demaille@gostai.com>
1483 stack::size instead of stack::height.
1484 * data/lalr1.cc (stack::height): Rename as...
1485 (stack::size): this.
1486 Fix the output type.
1489 2008-11-03 Akim Demaille <demaille@gostai.com>
1491 Use variants to support objects as semantic values.
1492 This patch was inspired by work by Michiel De Wilde. But he used
1493 Boost variants which (i) requires Boost on the user side, (ii) is
1494 slow, and (iii) has useless overhead (the parser knows the type of
1495 the semantic value there is no reason to duplicate this
1496 information as Boost.Variants do).
1498 This implementation reserves a buffer large enough to store the
1499 largest objects. yy::variant implements this buffer. It was
1500 implemented with Quentin Hocquet.
1502 * src/output.c (type_names_output): New.
1503 (output_skeleton): Invoke it.
1504 * data/c++.m4 (b4_variant_if): New.
1505 (b4_symbol_value): If needed, provide a definition for variants.
1506 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
1507 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
1508 (b4_char_sizeof, yy::variant): New.
1509 (parser::parse): If variants are requested, define
1510 parser::union_type, parser::variant, change the definition of
1511 semantic_type, construct $$ before running the user action instead
1512 of performing a default $$ = $1.
1513 * examples/variant.yy: New.
1514 Based on an example by Michiel De Wilde.
1516 2008-11-03 Akim Demaille <demaille@gostai.com>
1518 Parameterize the extraction of semantic values.
1519 To make future changes easier, no longer rely on ".TYPE" being the
1520 way to get a semantic value.
1522 * data/c.m4 (b4_symbol_value): New.
1524 * data/c++.m4, data/yacc.c: Use it.
1525 * data/glr.c: Use b4_symbol_value.
1529 2008-11-03 Akim Demaille <demaille@gostai.com>
1531 Prepare easier M4 changes.
1532 * data/lalr1.cc: Use escaped [] instead of literals to prepare
1535 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1537 Initiate further development.
1538 * NEWS: Create an empty section for new entries.
1539 * gnulib: Update submodule to HEAD.
1541 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1543 * NEWS: Version 2.4.
1545 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1547 Prepare for next release.
1548 * NEWS: Briefly mention changes since 2.3b.
1549 * README: Say GNU m4 1.4.6, which we've been requiring in release
1550 announcements already, not 1.4.3, which breaks the build.
1552 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
1554 Say %language is experimental.
1555 We're thinking of extending it's effect on output file naming. See the
1557 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
1558 * NEWS: Say it's experimental.
1559 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
1560 recommend it over %skeleton for now.
1561 (Bison Options): Likewise.
1562 (C++ Bison Interface): Use %skeleton not %language.
1563 (Calc++ Parser): Use %skeleton not %language.
1564 * src/getargs.c (usage): Say it's experimental.
1566 2008-11-01 Di-an Jan <dianj@freeshell.org>
1567 Paolo Bonzini <bonzini@gnu.org>
1569 Support all Java parser class modifiers.
1570 * data/java.m4 (b4_percent_define_get3): New.
1571 (b4_final_if, b4_strictfp_if): New.
1572 * data/lalr1.java (final, strictfp, extends, implements): Support.
1573 * doc/bison.texinfo (final, strictfp, extends, implements): Add
1575 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
1576 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
1577 (AT_CHECK_JAVA_GREP): New.
1578 (Java parser class modifiers): New test.
1579 (Java parser class extends and implements): New test.
1581 Model exception propagation better with throws and lex_throws.
1582 * data/java.m4 (b4_list2): New.
1583 (throws): Change default.
1584 * data/lalr1.java (yyaction): Add throws.
1585 (parse): Add lex_throws in addition to throws.
1586 * doc/bison.texinfo (throws, lex_throws): Add documentation.
1587 * tests/java.at (Java throws specifications): New test.
1589 Improve documentation for Java parsers.
1590 * doc/bison.texinfo (Java Parsers): Add subsections.
1591 Don't quote first argument of %define.
1592 (Java Bison Interface): Document output files. Move documentation
1593 of parser class and merge into Java Parser Interface. Document
1594 features that error out. Document directives with no effect.
1595 Move note about Javadoc higher.
1596 (Java Semantic Values): Explicitly mention stype.
1597 Document that generic types cannot be used.
1598 (Java Location Values): Use @deftypeivar. Document constructors.
1599 Correct return value for toString.
1600 (Java Parser Interface): List undocumented constants/fields.
1601 Move documentation of fields added by %parse-param closer to list
1602 of members. Document that token names are added as fields.
1603 Document constructors accurately. Remove error method.
1604 (Java Scanner Interface): Move note on %pure-parser to Java Bison
1605 Interface. Describe %code lexer and yylex accutately.
1606 Remove documentation that does not match the code.
1607 (Java Action Features): New.
1608 (Java Differences): Add reference. Add item on semantic values.
1609 Add note about @{ ... @}. Clarify %% epilogue placement.
1610 (Java Declarations Summary): New.
1613 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
1614 (b4_remove_comma): Quote test argument.
1615 (b4_identification): Remove "bison" field.
1616 * tests/java.at (Java parser class and package names): New test.
1617 (Java %parse-param and %lex-param): New test.
1618 (Java stype, position_class and location_class): New test.
1620 2008-10-31 Di-an Jan <dianj@freeshell.org>
1622 * data/lalr1.jave: Update copyright years.
1623 (YYParser): Correct name of "generated from" file in Javadoc:
1624 use b4_file_name instead of @ofile@.
1625 (Location constructor): Correct Javadoc parameter name.
1626 (yylloc): Add missing opening m4 quote after b4_location_if.
1627 This removes a stray [ in the Javadoc of Lexer.getStartPos.
1628 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
1629 (YYParser constructor): Correct Javadoc parameter name.
1631 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
1633 Always put auxiliary code files in the same dir as other output files.
1634 * src/files.c (compute_file_name_parts): When the user specifies
1635 --output but not --file-prefix, extract the directory prefix from the
1636 file prefix not from the grammar file name. This affects the location
1637 of files like location.hh generated by the C++ skeleton. The includes
1638 in the other output files require this fix.
1639 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
1640 for expected output files.
1641 (Output files): Add a test for the above.
1643 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
1645 * gnulib: Update submodule to HEAD.
1647 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
1649 Update copyright year.
1650 * src/files.c: Here.
1652 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
1654 Don't overwrite the input file.
1655 * src/files.c (output_file_name_check): Fatal error if using input file
1657 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
1659 (Conflicting output files): Add test.
1661 2008-10-28 Akim Demaille <demaille@gostai.com>
1664 * data/lalr1.cc: Formatting changes.
1666 2008-10-28 Akim Demaille <demaille@gostai.com>
1668 Don't define debugging functions when !YYDEBUG.
1669 * data/lalr1.cc (debug_stream, set_debug_stream)
1670 (debug_level_type, debug_level, set_debug_level): Don't
1671 declare them when YYDEBUG is not defined.
1672 The implementation are already YYDEBUG-aware.
1674 2008-10-28 Akim Demaille <demaille@gostai.com>
1676 Prefer "continue" for empty loop bodies.
1677 * etc/bench.pl.in: Use "continue" instead of {}.
1679 2008-10-28 Akim Demaille <demaille@gostai.com>
1681 Space and comments changes.
1682 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
1683 * data/c.m4, data/lalr1.cc: Space changes.
1685 2008-10-28 Akim Demaille <demaille@gostai.com>
1687 Make gnulib a submodule.
1689 * .gitmodules (gnulib): New.
1691 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
1693 Fix yyerror_range for user-defined location type in C++. Reported by
1695 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
1696 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
1697 * THANKS (Georg Sauthoff): Add.
1699 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
1701 Update several administrative files mainly to facilitate releasing.
1702 * HACKING (Administrivia): Make the git-merge-changelog notes more
1704 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
1705 (Release Procedure): Update for git and add numerous details that were
1707 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
1708 * maint.mk (announcement): Don't list bison as a bootstrap tool so
1709 that announcements don't claim we bootstrapped with whatever bison
1710 happened to be in PATH. Add flex as a bootstrap tool.
1711 * Makefile.maint: Remove, previously replaced by maint.mk.
1712 * Makefile.cfg: Remove, and migrate settings to...
1713 * cfg.mk: ... here for the sake of `make announcement'.
1714 * bootstrap.conf (gnulib_modules): Add announce-gen.
1715 * README: Say GNU Bison instead of just Bison. Suggested by Karl
1718 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
1720 Small but important bugfixes for the Java skeleton.
1721 * data/lalr1.java (yyerror): Change Location to b4_location_type.
1722 (yy_symbol_print): Call toString on yyvaluep.
1724 2008-08-29 Akim Demaille <demaille@gostai.com>
1726 Clarify UPDATED use.
1727 * doc/bison.texinfo: It refers to the last edition of this file,
1728 not to the release date of Bison.
1729 Reported by Joel E. Denny.
1731 2008-08-29 Akim Demaille <demaille@gostai.com>
1733 * README: Update FAQ pointer.
1734 Reported by Joel E. Denny.
1736 2008-08-27 Eric Blake <ebb9@byu.net>
1738 Resync m4sugar from autoconf.
1739 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
1740 (m4_init): Adjust to latest m4.git changes.
1741 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
1743 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
1744 (_m4_list_cmp): Reduce side effects.
1746 2008-08-27 Akim Demaille <demaille@gostai.com>
1748 Check yyerrok in calc.at.
1749 * tests/calc.at (calc.y): Use yyerrok on "( error )".
1750 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
1753 2008-08-27 Akim Demaille <demaille@gostai.com>
1755 Support yyerrok in lalr1.cc.
1756 YYBACKUP is still to import back into lalr1.cc.
1757 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
1759 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
1761 For maintainer-check*, don't recompile for a $(VERSION) update.
1763 (_is-dist-target): Override the one in GNUmakefile.
1764 * Makefile.am (EXTRA_DIST): Add cfg.mk.
1766 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
1768 Update for recent change to gnulib.
1769 * src/parse-gram.y: Don't include strverscmp.h. It comes from
1772 2008-08-15 Eric Blake <ebb9@byu.net>
1774 Remaining m4sugar merge from autoconf.
1775 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
1776 * data/m4sugar/foreach.m4: New file, copied from autoconf.
1777 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
1778 * src/output.c (output_skeleton): Tell m4 how to find it.
1780 Partial m4sugar merge from autoconf: m4_map.
1781 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
1782 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
1783 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
1784 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
1786 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
1788 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
1791 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
1793 Keep .version and PACKAGE_VERSION in sync.
1794 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
1795 dependency, and add comments justifying this in more detail. Discussed
1797 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
1799 2008-08-06 Eric Blake <ebb9@byu.net>
1801 Partial m4sugar merge from autoconf: m4_shiftn.
1802 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
1803 (m4_shift2, m4_shift3): New macros.
1804 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
1805 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
1806 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
1807 * data/java.m4 (b4_remove_comma): Likewise.
1809 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
1810 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
1811 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
1812 (m4_init): Consolidate wrapped text into single m4_wrap.
1813 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
1816 2008-08-05 Eric Blake <ebb9@byu.net>
1818 Partial m4sugar merge from autoconf: builtins, version.m4.
1819 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
1820 (m4_prepend): Remove, as it is unused and inherently quadratic,
1821 whereas m4_append is linear in newer m4.
1822 (m4_mkstemp): New builtin.
1823 (m4_symbols): Make rename conditional.
1824 (m4_version_prereq): Ensure fatal error if used in bison, which
1825 intentionally lacks version.m4.
1827 Fix comments in m4sugar.
1828 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
1830 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
1832 Update for recent .gitignore fix in Gnulib.
1833 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
1834 anchored .gitignore entries.
1836 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
1838 Set gnu or gnits strictness.
1839 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
1840 development and gnits strictness for releases. Based on Eric Blake's
1842 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
1844 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
1846 * NEWS: Clarify documentation of %language.
1848 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
1850 Support usage of git-merge-changelog.
1851 * .gitattributes: New.
1852 * HACKING: Document usage of git-merge-changelog.
1853 * bootstrap: Install git-merge-changelog entries in .git/config
1856 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
1858 Remove remaining dependence on CVS Id keyword.
1859 * ChangeLog: For the sake of people still using CVS, don't use dollars
1861 * data/xslt/bison.xsl: Remove Id from header comments, where it was
1863 * data/xslt/xml2dot.xsl: Likewise.
1864 * data/xslt/xml2text.xsl: Likewise.
1865 * data/xslt/xml2xhtml.xsl: Likewise.
1866 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
1867 * doc/Makefile.am (neutralize): Remove, no longer needed.
1868 (.x.1): Don't use neutralize.
1869 (edit): Don't substitute for ID.
1870 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
1872 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
1874 Fix dependence on computed configure variables.
1875 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
1876 $(top_srcdir)/configure.ac so that changes to computed variables, such
1877 as PACKAGE_VERSION, are seen.
1878 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
1880 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
1882 Update copyright dates for recent changes.
1883 * Makefile.am: Here.
1884 * src/Makefile.am: Here.
1885 * src/reduce.c: Here.
1886 * tests/reduce.at: Here.
1888 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
1890 Use git-version-gen for version names between releases.
1891 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
1892 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
1893 * .prev-version: New.
1894 * .version.in: Remove.
1895 * ChangeLog: Remove the Id previously used for capturing the CVS
1897 * GNUmakefile: Remove, now copied from Gnulib.
1898 * Makefile.am: Add code suggested by comments in
1899 build-aux/git-version-gen.
1900 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
1901 .prev-version, and .version.
1902 * NEWS (2.3b+): Rename to...
1903 (?.?): ... this because we're dropping the "+" version naming scheme,
1904 but, in general, we still can't be sure of our next release name.
1905 * bootstrap: Add a quick hack to remove from .gitignore the
1906 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
1907 entry. This should really be fixed in gnulib instead.
1908 * bootstrap.conf (gnulib_modules): Add gnumakefile.
1909 * configure.ac (AC_INIT): Set version name by invoking
1910 build-aux/git-version-gen.
1911 (AC_CONFIG_FILES): Remove .version, now generated by
1912 build-aux/git-version-gen.
1913 * maint.mk: New, copied from coreutils.
1914 * doc/.cvsignore (bison.1): Add.
1915 * doc/.gitignore (/bison.1): Add.
1916 * doc/bison.1: Remove, generated.
1917 * src/.cvsignore (revision.c): Remove.
1918 * src/.gitignore (/revision.c): Remove.
1919 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
1920 (BUILT_SOURCES): Remove revision.c.
1921 (revision.c): Remove.
1922 * src/getargs.c (version): Don't print revision after the VERSION.
1923 * src/revision.h: Remove.
1925 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
1927 Fix untranslatable composition of sentences. Reported by Goran
1929 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
1930 * THANKS (Goran Uddeborg): Add.
1931 * src/reduce.c (reduce_print): Report the number of nonterminals and
1932 rules useless in the grammar in separate sentences.
1933 * tests/reduce.at (Useless Rules): Update output.
1934 (Reduced Automaton): Likewise.
1935 (Underivable Rules): Likewise.
1936 (Empty Language): Likewise.
1938 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
1940 Fix some .gitignore and .cvsignore problems.
1941 * bootstrap (insert_sorted_if_absent): Replace all uses with...
1942 (insert_vc_ignore): ... this new function, which prepends `/' to all
1943 .gitignore entries before passing them to insert_sorted_if_absent.
1944 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
1945 .cvsignore files are maintained even though Bison developers run
1946 bootstrap while using Git.
1947 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
1950 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
1951 unneeded. Reported by Eric Blake.
1952 * lib/.gitignore (/*~): Add.
1953 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
1954 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
1956 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
1958 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
1960 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
1961 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
1962 * bootstrap.conf (gnulib_modules): Add unsetenv.
1963 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
1964 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
1966 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
1967 the first argument because it may become position-dependent, and unset
1968 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
1969 Add comments explaining these issues in more detail.
1971 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
1973 Add .gitignore everywhere based on .cvsignore.
1975 * build-aux/.gitignore: New.
1976 * data/.gitignore: New.
1977 * doc/.gitignore: New.
1978 * etc/.gitignore: New.
1979 * examples/.gitignore: New.
1980 * examples/calc++/.gitignore: New.
1981 * lib/.gitignore: New.
1982 * m4/.gitignore: New.
1983 * po/.gitignore: New.
1984 * runtime-po/.gitignore: New.
1985 * src/.gitignore: New.
1986 * tests/.gitignore: New.
1988 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
1990 * NEWS (2.3b+): New section, empty for now.
1991 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
1993 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
1995 * NEWS (2.3b): Update release date since there has been a delay in
1996 getting the announcements and tarballs out.
1998 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2000 * NEWS: Version 2.3b.
2001 * configure.ac (AC_INIT): Likewise.
2002 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
2004 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2006 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
2007 been doing it for years.
2008 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
2009 (Release Procedure): Add FIXME about make alpha being unmaintained.
2011 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
2013 * data/yacc.c: Reformat m4 a little for readability.
2014 * src/lalr.c (build_relations): Correct comment.
2016 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2018 DJGPP specific issue.
2019 * djgpp/config.sed: Fixes required to run configure scripts generated
2022 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2024 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
2025 coordinator@translationproject.org.
2027 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2029 * THANKS: Add Eric Blake.
2031 2008-04-23 Eric Blake <ebb9@byu.net>
2033 Revert prior patch, by working around autoconf regression.
2034 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
2035 ("Output file name: ("): Uncomment test.
2036 ("Output file name: )"): Likewise.
2037 Based on an idea from Noah Misch.
2039 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2041 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2042 2.61. Reported by Juan Manuel Guerrero at
2043 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
2044 * tests/output.at ("Output file name: ("): Comment out test case for
2046 ("Output file name: )"): Likewise.
2048 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2050 * GNUmakefile: Update git-version-gen invocation so make dist
2053 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2055 Update to the current gnulib CVS repository, and fix trigraph handling
2057 * bootstrap: Update gnulib CVS repository URL.
2058 (symlink_to_dir): Encapsulate the code that guarantees the destination
2059 directory exists into...
2060 (check_dst_dir): ... this new function, and...
2061 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
2062 fail when copying files into lib/uniwidth/.
2063 * src/output.c (prepare_symbols): When writing yytname muscles, where
2064 symbol names will be encoded in C-string literals, tell quotearg to
2065 escape trigraphs. This used to be the default in gnulib.
2066 * tests/regression.at (Token definitions): Because of the change in
2067 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
2068 escapes trigraphs in symbol names. Thus, yytname no longer has
2069 trigraphs unnecessarily doubly escaped. Update test case output.
2070 Extend test case to be sure Bison's own error messages will no longer
2071 have trigraphs in symbol names unnecessarily escaped once.
2073 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2075 Fix make dist infinite loop reported by Juan Manuel Guerrero at
2076 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
2077 * .cvsignore: Add .version.
2079 * bootstrap.conf (gnulib_modules): Add git-version-gen.
2080 * configure.ac (AC_CONFIG_FILES): Add .version.
2081 * build-aux/.cvsignore: Add git-version-gen.
2083 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
2085 * NEWS (2.3a+): Mention that -g now takes an argument.
2086 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
2087 consistency. Update the -g and -x entries now that they take
2088 arguments. Use brackets to indicate optional arguments.
2089 * src/getargs.c (usage): Explain the relationship between arguments of
2090 long and short options more completely. Document --defines and -d
2091 separately since the former takes an argument but, for POSIX Yacc, the
2093 (short_options): Let -W take an optional argument like --warnings.
2094 (getargs): Sort cases.
2096 2008-02-28 Akim Demaille <demaille@gostai.com>
2098 * doc/bison.texinfo: Fix a few typos.
2100 2008-02-28 Akim Demaille <akim@epita.fr>
2102 * doc/bison.texinfo (Bison Options): Document -W.
2103 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
2105 2008-02-28 Akim Demaille <akim@epita.fr>
2107 * src/getargs.c (short_options): Split and sort for readability.
2108 -g and -x take optional arguments, just like their long options.
2109 * build-aux/cross-options.pl: Use /x to make the regexp easier to
2111 Fix the handling of $opt which resulted in all the argument to be
2112 considered as optional.
2114 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
2116 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
2117 say its interface is experimental.
2118 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2120 (Bison Options): In the -L and --language entry, mention Java.
2121 (Java Bison Interface): Say the interface is experimental.
2122 * src/getargs.c (usage): Mention -L and --language.
2124 * NEWS (2.3a+): Say the push parsing interface is experimental.
2125 * doc/bison.texinfo (Push Decl): Likewise.
2126 (Decl Summary): Likewise in the "%define api.push_pull" entry.
2127 (Push Parser Function): Likewise.
2128 (Pull Parser Function): Likewise.
2129 (Parser Create Function): Likewise.
2130 (Parser Delete Function): Likewise.
2131 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
2132 yypull_parse, and yypush_parse entries.
2134 * NEWS (2.3a+): Mention XML support, and say the schema is
2136 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
2137 * src/getargs.c (usage): Say the XML schema is experimental.
2139 * NEWS (2.3a+): Say option instead of flag.
2141 2008-02-21 Wojciech Polak <polak@gnu.org>
2143 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
2146 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
2148 Fix impure push parser compile error reported by Bob Rossi at
2149 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
2150 * data/yacc.c: Clean up whitespace in the output a little.
2151 (yypstate_allocated): Define for impure push parsers regardless of
2152 whether the pull interface is also requested.
2153 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
2154 check impure push parsers without the pull interface.
2156 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
2157 yyerror takes arguments specified by %parse-param while yypstate_new
2159 * doc/bison.texinfo (Parser Create Function): Document that
2160 yypstate_new returns 0 for multiple impure parser instances.
2161 * tests/push.at (Push Parsing: Multiple impure instances): Update
2162 expected stderr output.
2164 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2166 * runtime-po/POTFILES.in (push.c): Remove.
2168 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2170 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
2171 * data/push.c: Rename to...
2172 * data/yacc.c: ... this, overwriting it.
2173 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
2174 `%push-pull-parser' -> `%define api.push_pull "both"'.
2175 Remove old yacc.c tests, and update push.c tests to yacc.c.
2177 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2179 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
2180 `"%code top" blocks' instead of `%code "top" blocks'.
2181 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
2182 Clean up whitespace in the output a little.
2184 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2186 Fix documentation problems reported by Tim Josling at
2187 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
2188 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
2189 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
2190 integers. Explain the effect of literal string aliases on error
2191 messages. Copy token 0 documentation from the C++ skeleton
2194 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2196 Accept a token number in a %left, %right, or %nonassoc for POSIX
2197 conformance. Reported by Tim Josling at
2198 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
2199 * NEWS (2.3a+): Mention.
2200 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
2201 and code numbers are treated by precedence declarations.
2202 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
2204 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
2206 (symbol.prec): New, just like symbol but allows INT.
2207 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
2209 * tests/regression.at (Token number in precedence declaration): New
2212 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2214 DJGPP specific issues.
2215 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
2216 be changed. Copyright timestamp adjusted.
2217 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
2218 be changed. Copyright timestamp adjusted.
2219 * djgpp/config.site: Copyright timestamp adjusted.
2220 * djgpp/config_h.sed: Copyright timestamp adjusted.
2221 * djgpp/djunpack.bat: Copyright timestamp adjusted.
2222 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
2223 filename translation list.
2224 * djgpp/subpipe.c (init_subpipe): Check the environment variables
2225 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
2226 files shall be created. Before trying to use the temp dir where the
2227 environment variable points to check that the dir really exists. If
2228 not default to the cwd as temp dir. Copyright timestamp adjusted.
2229 * djgpp/subpipe.h: Copyright timestamp adjusted.
2230 * djgpp/testsuite.sed: Copyright timestamp adjusted.
2232 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
2234 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
2236 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
2238 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
2239 Problem reported by Claudio Saavedra in
2240 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
2242 2008-01-05 Wojciech Polak <polak@gnu.org>
2244 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
2245 document's title with the input grammar file name.
2247 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
2249 Automate regression testing of the XML/XSLT implementation. Discussed
2251 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
2252 * configure.ac (XSLTPROC): New substitution.
2253 * Makefile.am (maintainer-xml-check): New phony target invoking...
2254 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
2255 invoking make maintainer-check with BISON_TEST_XML=1.
2256 * tests/atlocal.in (XSLTPROC): New.
2257 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
2258 not to report reachable memory when Bison is expected to have a
2259 non-zero exit status and (2) to compare XML/XSLT output with --graph
2260 and --report=all output for every working grammar when
2262 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
2263 (AT_BISON_CHECK_XML): New.
2264 (AT_QUELL_VALGRIND): New.
2265 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
2266 (AT_CHECK): ... don't redefine this since this was the old way to
2268 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
2269 AT_BISON_CHECK invocations.
2270 * tests/c++.at: Likewise.
2271 * tests/calc.at: Likewise.
2272 * tests/conflicts.at: Likewise.
2273 * tests/cxx-type.at: Likewise.
2274 * tests/existing.at: Likewise.
2275 * tests/glr-regression.at: Likewise.
2276 * tests/headers.at: Likewise.
2277 * tests/input.at: Likewise.
2278 * tests/java.at: Likewise.
2279 * tests/output.at: Likewise.
2280 * tests/push.at: Likewise.
2281 * tests/reduce.at: Likewise.
2282 * tests/regression.at: Likewise.
2283 * tests/sets.at: Likewise.
2284 * tests/skeletons.at: Likewise.
2285 * tests/synclines.at: Likewise.
2286 * tests/torture.at: Likewise.
2287 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
2288 tends to hang xsltproc.
2289 (Big horizontal): Likewise.
2291 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2293 In XML output, remove redundant class attribute on symbol element.
2294 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
2295 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
2296 look up a symbol to determine whether it's a nonterminal or terminal.
2297 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
2298 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
2300 Add prec/assoc information to XML output.
2301 * src/gram.c (grammar_rules_print_xml): For each rule that has a
2302 %prec, add a percent_prec attribute.
2303 * src/print-xml.c (print_grammar): For each terminal that has a
2304 precedence or associativity, add a prec or assoc attribute.
2306 (xml_puts): Use xml_indent.
2307 (xml_printf): Use xml_indent.
2308 * src/print-xml.h (xml_indent): Prototype.
2310 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
2311 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
2313 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2315 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
2316 (bison:ruleByNumber): ... this for clarity.
2317 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
2318 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
2319 (xsl:template match="reduction"): Update.
2320 (xsl:template match="item"): Update.
2321 (xsl:template match="reduction"): Update.
2323 In the XML output, don't print the list of rules where symbols appear.
2324 Compute it in XSLT instead. Discussed at
2325 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
2326 * data/xslt/bison.xsl (bison:ruleByLhs): New.
2327 (bison:ruleByRhs): New.
2328 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
2330 (xsl:template match="terminal/rule"): Remove.
2331 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2333 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2335 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
2336 bison:ruleByRhs and mode="number-link" for rule template.
2337 (xsl:template match="terminal/rule"): Remove.
2338 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2339 bison:ruleByRhs and mode="number-link" for rule template.
2340 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2342 (xsl:template match="rule" mode="number-link"): ... this.
2343 * src/print-xml.c (print_grammar): Don't print the list of rules.
2345 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2347 Don't let --report affect XML output; always print all information.
2349 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
2350 * src/conflicts.c (log_resolution): Implement.
2351 * src/print-xml.c (print_core): Implement.
2352 (print_state): Implement.
2353 (print_xml): Implement.
2355 * NEWS (2.3a+): Fix quotes.
2356 * src/parse-gram.y (prologue_declaration): For consistency with -v,
2357 don't let %verbose clear the list specified by --report.
2359 2007-11-26 Akim Demaille <akim@epita.fr>
2361 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
2363 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
2365 In the XML output, list useless and unused symbols and rules with the
2366 useful ones and add a "usefulness" attribute. Discussed starting at
2367 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
2368 * src/gram.c (grammar_rules_partial_print_xml): Remove.
2369 (grammar_rules_print_xml): Print all rules instead of just those
2370 useful in the grammar, and add a "usefulness" attribute.
2371 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
2372 * src/print-xml.c (print_rules_useless_in_parser): Remove.
2373 (print_grammar): Print all nonterminals instead of just useful ones,
2374 and add a "usefulness" attribute to nonterminals and terminals.
2375 (print_xml): Don't print a separate "reductions" or
2376 "rules-useless-in-parser" element.
2377 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
2378 (reduce_xml): Remove.
2379 (reduce_token_unused_in_grammar): New.
2380 (reduce_nonterminal_useless_in_grammar): New.
2381 * src/reduce.h (reduce_xml): Remove prototype.
2382 (reduce_token_unused_in_grammar): Add prototype.
2383 (reduce_nonterminal_useless_in_grammar): Add prototype.
2384 * data/xslt/xml2text.xsl: Update for XML changes.
2385 * data/xslt/xml2xhtml.xsl: Update for XML changes.
2386 * tests/reduce.at (Useless Terminals): Update output.
2387 (Useless Rules): Update output.
2388 (Reduced Automaton): Update output.
2390 Say "Terminals unused in grammar" instead of "Unused terminals".
2391 * NEWS (2.3a+): Update.
2392 * doc/bison.texinfo (Understanding): Update example output.
2393 * src/reduce.c (reduce_output): Implement.
2394 * data/xslt/xml2text.xsl: Implement.
2395 * data/xslt/xml2xhtml.xsl: Implement.
2397 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2399 Accept --report-file=FILE to override the default `.output' filename.
2400 * NEWS (2.3a+): Mention.
2401 * doc/bison.texinfo (Bison Options): Add an entry.
2402 * src/files.c (compute_output_file_names): Don't override
2403 spec_verbose_file if already set.
2404 * src/getargs.c (usage): Document --report-file.
2405 (REPORT_FILE_OPTION): New anonymous enum member.
2406 (long_options): Add entry for it.
2407 (getargs): Add case for it setting spec_verbose_file.
2409 * build-aux/cross-options.pl: Don't record a short option just because
2411 * doc/.cvsignore: Add yacc.1.
2413 2007-11-14 Akim Demaille <akim@epita.fr>
2415 * doc/yacc.1.in: New.
2416 * configure.ac, doc/Makefile.am: Adjust.
2417 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
2419 Use AC_SUBST for assignments too.
2420 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
2422 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2424 * src/gram.c: Remove comments that duplicate comments in gram.h.
2426 When reporting useless rules and nonterminals, say "useless in grammar"
2427 instead of "useless", and say "useless in parser" instead of "never
2428 reduced". Discussed starting at
2429 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
2430 * NEWS (2.3a+): Mention this change.
2431 * data/xslt/xml2text.xsl: Update output text and expected input XML
2432 element names to match changes below.
2433 * data/xslt/xml2xhtml.xsl: Likewise.
2434 (xsl:template match="bison-xml-report"): Add missing entry in Table of
2435 Contents: "Rules useless in parser due to conflicts".
2436 * doc/bison.texinfo (Decl Summary): Reword a little.
2437 (Understanding): Update example output for changes below.
2438 * src/gram.c: (rule_useful_p): Rename to...
2439 (rule_useful_in_grammar_p): ... this.
2440 (rule_useless_p): Rename to...
2441 (rule_useless_in_grammar_p): ... this.
2442 (rule_never_reduced_p): Rename to...
2443 (rule_useless_in_parser_p): ... this.
2444 (grammar_rules_print): Update for renames.
2445 (grammar_rules_print_xml): Update for renames.
2446 (grammar_rules_never_reduced_report): Rename to...
2447 (grammar_rules_useless_report): ... this since it is used for either
2448 kind of useless rule.
2449 * src/gram.h: Reword comments and update function names in prototypes.
2450 * src/main.c (main): Say "rule useless in parser due to conflicts".
2451 * src/print-xml.c (print_rules_never_reduced): Rename to...
2452 (print_rules_useless_in_parser): ... this, and rename output XML
2453 element "rules-never-reduced" to "rules-useless-in-parser".
2454 (print_xml): Update for rename.
2455 * src/print.c (print_results): Say "Rules useless in parser due to
2457 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
2458 (nonterminals_reduce): Say "nonterminal useless in grammar".
2459 (reduce_output): Say "Nonterminals useless in grammar".
2460 Say "Rules useless in grammar".
2461 (reduce_xml): Rename output XML element "useless" to
2462 "useless-in-grammar".
2463 (reduce_print): Don't report the count of grammatically useless rules
2464 as "rules never reduced" just because %yacc is specified.
2465 In the correct report of this count, say nonterminal(s) and rule(s)
2466 "useless in grammar".
2467 * tests/conflicts.at (S/R in initial): Update expected output.
2468 (Defaulted Conflicted Reduction): Likewise.
2469 (Unreachable States After Conflict Resolution): Likewise.
2470 * tests/existing.at (GNU pic Grammar): Likewise.
2471 * tests/reduce.at (Useless Nonterminals): Likewise.
2472 (Useless Rules): Likewise.
2473 (Reduced Automaton): Likewise.
2474 (Underivable Rules): Likewise.
2475 (Empty Language): Likewise.
2477 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2479 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
2480 here document and before the EOF so that BSD's implementation of Bourne
2481 shell doesn't parse the delimiter as part of the here document.
2482 * doc/.cvsignore: Add cross-options.texi.
2483 * src/getargs.c (usage): Add a blank line after the warning categories.
2485 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
2487 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
2489 2007-11-05 Akim Demaille <akim@epita.fr>
2491 Remove Id: from bison.1.
2492 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
2493 (perl -0777 -pi -e 's/\.PP\nId): New.
2494 (.x.1): Use it to ignore the version control revision.
2496 2007-11-05 Akim Demaille <demaille@gostai.com>
2498 * build-aux/Makefile.am: Ship cross-options.pl.
2499 * doc/Makefile.am: Always refer to cross-options.texi with
2501 (MAINTAINERCLEANFILES): Add it.
2503 2007-11-04 Akim Demaille <demaille@gostai.com>
2505 Generate the long/short option cross-table.
2506 * build-aux/cross-options.pl: New.
2507 * doc/Makefile.am (cross-options.texi): New.
2508 * doc/bison.texinfo: Use it.
2510 2007-11-04 Akim Demaille <demaille@gostai.com>
2512 Generate bison.1 using help2man.
2513 * doc/common.x, doc/bison.x: New.
2514 * doc/Makefile.am (bison.1, .x.1): New.
2515 The code is taken from autoconf-2.61/man/Makefile.am.
2516 * configure.ac: Look for help2man.
2518 2007-11-04 Akim Demaille <demaille@gostai.com>
2521 * src/getargs.c (usage): Document -W, make it clear that -d,
2522 -g and -x have optional arguments.
2524 2007-11-04 Akim Demaille <demaille@gostai.com>
2526 Find sha1sum when named gsha1sum.
2527 * bootstrap (find_tool): New.
2530 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2532 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
2534 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
2535 * NEWS (2.3a+): Mention.
2536 * data/bison.m4 (b4_pure_if): Don't define it here.
2537 * data/c.m4 (b4_identification): Depend on individual skeletons to
2538 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
2539 values of the %define variables api.pure or api.push_pull. Define
2540 YYPURE, YYPUSH, and YYPULL accordingly.
2541 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
2542 glr.cc has already defined b4_pure_flag.
2543 * data/push.c: Define b4_pure_if based on `%define api.pure'.
2544 Remove YYPUSH and YYPULL since they're back in b4_identification again.
2545 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
2546 * doc/bison.texinfo (Pure Decl): Update.
2547 (Push Decl): Update.
2548 (Decl Summary): Add api.pure to %define entry.
2549 In %pure-parser entry, say it's deprecated and reference %define.
2550 (Pure Calling): Update.
2551 (Error Reporting): Update.
2552 (C++ Scanner Interface): Update.
2553 (How Can I Reset the Parser): Update.
2554 (Table of Symbols): In %pure-parser entry, say it's deprecated and
2556 * src/getargs.c (pure_parser): Remove global variable.
2557 * src/getargs.h (pure_parser): Remove extern.
2558 * src/output.c (prepare): Don't define pure_flag muscle.
2559 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
2560 wrapper around `%define api.pure'.
2561 * tests/calc.at (Simple LALR Calculator): Update.
2562 (Simple GLR Calculator): Update.
2563 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
2565 (GLR: Resolve ambiguity, pure, locations): Update.
2566 (GLR: Merge conflicting parses, pure, no locations): Update.
2567 (GLR: Merge conflicting parses, pure, locations): Update.
2568 * tests/glr-regression.at (Uninitialized location when reporting
2570 * tests/input.at (Unused %define api.pure): New test case.
2571 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
2572 AT_PURE_IF and AT_PURE_AND_LOC_IF.
2573 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
2575 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2577 %define push_pull -> %define api.push_pull. Discussed starting at
2578 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
2579 * data/push.c: Expect the new name.
2580 * data/yacc.c: Likewise.
2581 * doc/bison.texinfo (Push Decl): Update.
2582 (Decl Summary): Update %define entry.
2583 (Push Parser Function): Update.
2584 (Pull Parser Function): Update.
2585 (Parser Create Function): Update.
2586 (Parser Delete Function): Update.
2587 * tests/calc.at (Simple LALR Calculator): Update.
2588 * tests/input.at (%define enum variables): Update.
2589 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
2590 (Push Parsing: Multiple impure instances): Update.
2591 (Push Parsing: Unsupported Skeletons): Update.
2592 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
2593 (Exploding the Stack Size with Malloc): Update.
2595 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
2598 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
2600 For the XML output's terminal element, rename @number to @token-number,
2601 and add @symbol-number. In the nonterminal element, rename @number to
2602 @symbol-number. Discussed starting at
2603 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
2604 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
2606 (xsl:template match="nonterminal"): Likewise.
2607 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
2608 (xsl:template match="nonterminal"): Likewise.
2609 * src/print-xml.c (print_grammar): Implement.
2611 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2613 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
2614 2007-10-11 change, the child elements here are items not rules.
2615 (xsl:template match="item"): New.
2616 (xsl:template match="rule"): Update for new reduced itemset.
2617 (xsl:template match="point"): Remove.
2618 (xsl:template match="empty"): For consistency with --graph, don't
2619 output "/* empty */".
2620 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
2621 line-wrap, don't pass a negative value as first-line-length since this
2622 won't work with the following changes.
2623 (xsl:template name="line-wrap"): Simplify slightly.
2624 (xsl:template name="ws-search"): Eliminate recursion.
2625 * src/print_graph.c (print_core): Don't print a reduction's lookahead
2626 set next to an item whose dot is not at the end of the RHS even if it
2627 happens to be associated with the same rule.
2629 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
2631 Add %define lr.keep_unreachable_states.
2632 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
2633 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
2634 * src/main.c (main): Implement it.
2635 * tests/conflicts.at (Unreachable States After Conflict Resolution):
2636 Extend to test it, and fix a typo.
2638 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
2640 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
2641 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
2642 the example .output text.
2643 * tests/regression.at (Extra lookahead sets in report): Improve wording
2646 2007-10-17 Wojciech Polak <polak@gnu.org>
2648 * src/print-xml.c (print_grammar): Renamed
2649 <terminal> and <nonterminal> attributes:
2650 "type" to "number" and "symbol" to "name".
2651 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
2652 Use new attribute names.
2653 (xsl:template match="nonterminal"): Likewise.
2654 * data/xslt/xml2xhtml.xsl: Likewise.
2656 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
2658 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
2659 (Option Cross Key): Likewise.
2661 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
2662 next to an item whose dot is not at the end of the RHS even if it
2663 happens to be associated with the same rule.
2664 * src/print.c (print_core): Likewise.
2665 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
2666 (Resolved SR Conflicts): Update output.
2667 * tests/regression.at (Extra lookahead sets in report): New test case.
2669 2007-10-11 Wojciech Polak <polak@gnu.org>
2671 * src/print-xml.c (print_core): Remove item set
2673 * data/xslt/bison.xsl (bison:ruleNumber): New key.
2674 Improve processing time. Suggested by Joel E. Denny.
2675 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
2676 Write xsl:param "required" attribute as comment.
2677 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
2678 (xsl:template match="rule"): Support new reduced itemset.
2679 (xsl:template match="point"): Remove.
2680 * data/xslt/xml2xhtml.xsl: Likewise.
2682 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
2684 * src/getargs.c (version): Update copyright year.
2686 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
2688 Make xml2dot.xsl and --graph produce the same output.
2689 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
2690 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
2692 (xsl:template name="output-node"): Use the new escape template instead
2693 of the string-replace template directly.
2694 (xsl:template name="output-edge"): Likewise.
2695 (xsl:template name="escape"): New, escapes backslashes and newlines in
2696 addition to quotation marks.
2697 * src/graphviz.c (start_graph, output_node, output_edge): Add
2698 whitespace to output for legibility.
2700 Make xml2text.xsl and --report produce the same output, and remove the
2701 XML "conflicts" element since a conflict summary is easily extracted
2703 * data/xslt/bison.xsl: New.
2704 (xsl:template match="state" mode="bison:count-conflicts): New.
2705 * data/xslt/xml2text.xsl: Import bison.xsl.
2706 (xsl:template match="bison-xml-report"): Instead of styling the
2707 "conflicts" element, style the "automaton" element with mode
2708 "conflicts". Unlike the former, the latter lists S/R and R/R
2709 conflicts for a state on the same line.
2710 (xsl:template match="conflicts"): Remove.
2711 (xsl:template match="conflict"): Remove.
2712 (xsl:template match="terminal"): Line-wrap the list of rules in which
2713 the terminal is used.
2714 (xsl:template match="nonterminal"): Likewise for nonterminals.
2715 (xsl:template match="automaton" mode="conflicts"): New.
2716 (xsl:template match="state" mode="conflicts"): New.
2717 (xsl:template name="line-wrap"): New.
2718 (xsl:template name="ws-search"): New.
2719 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
2720 (xsl:template match="bison-xml-report"): Instead of styling the
2721 "conflicts" element, style the "automaton" element with mode
2723 (xsl:template match="conflicts"): Remove.
2724 (xsl:template match="conflict"): Remove.
2725 (xsl:template match="automaton" mode="conflicts"): New.
2726 (xsl:template match="state" mode="conflicts): New.
2727 * src/conflicts.c (conflicts_output_xml): Remove.
2728 * src/conflicts.h (conflicts_output_xml): Remove prototype.
2729 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
2730 * src/print.c (print_grammar): Consistently wrap at the 66th column so
2731 the corresponding XSLT is easier. Also, never wrap between a word and
2732 the comma that follows it.
2734 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
2736 Improve C++ namespace support. Discussed starting at
2737 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
2738 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
2739 b4_namespace_close): New macros that interpret the %define variable
2740 "namespace" so its value can contain "::" to indicate nested
2742 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
2744 * data/lalr1.cc (b4_namespace): Likewise.
2745 * data/location.cc (b4_namespace): Likewise.
2746 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
2747 inside a new table in the general %define entry. Document `%define
2748 namespace' there as well. Point the %name-prefix entry to it since it
2749 explains it more completely in the case of C++.
2750 (C++ Bison Interface): Mention `%define namespace' instead of
2752 (Table of Symbols): Remove the `%define push_pull' entry. The %define
2754 * tests/c++.at (Relative namespace references): New test case.
2755 (Absolute namespace references): New test case.
2756 (Syntactically invalid namespace references): New test case.
2757 * tests/input.at (C++ namespace reference errors): New test case.
2759 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
2761 Add syncline support and location accessor to internal %define
2763 * data/bison.m4 (b4_percent_define_get_loc): New.
2764 (b4_percent_define_get_syncline): New.
2765 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
2766 (b4_percent_define_default): Record defining location as line 1 rather
2767 than 0 for the sake of synchronizing #line's, and define
2768 b4_percent_define_syncline(VARIABLE).
2769 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
2770 * src/muscle_tab.c (muscle_syncline_grow): New.
2771 (muscle_code_grow): Use muscle_syncline_grow.
2772 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
2773 define b4_percent_define_syncline(VARIABLE).
2774 (muscle_percent_define_get_loc): New.
2775 (muscle_percent_define_get_syncline): New.
2776 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
2777 remove some unused variables.
2778 (muscle_percent_define_default): Record defining location as line 1
2779 rather than 0 for the sake of synchronizing #line's, and define
2780 b4_percent_define_syncline(VARIABLE).
2781 (muscle_percent_define_check_values): Use
2782 muscle_percent_define_get_loc.
2783 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
2784 (muscle_percent_define_get_syncline): Prototype.
2785 * tests/skeletons.at (%define Boolean variables: invalid skeleton
2786 defaults): Update output for location change.
2787 (Complaining during macro argument expansion): Extend to test
2788 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
2790 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
2792 Fix some error-reporting macro bugs.
2793 * data/bison.m4 (b4_cat): New.
2794 (b4_error, b4_error_at): Use b4_cat to send error directives directly
2795 to stdout so they don't become arguments to other macros. Update
2796 comments and add examples.
2797 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
2799 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
2800 after printing the error directive so that M4 doesn't report subsequent
2801 problems that are induced by this problem.
2802 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
2803 instead of just in them. Recognize @\n in both places. Both expand to
2804 the empty string. Needed by b4_cat.
2805 * tests/skeletons.at (Complaining during macro argument expansion):
2807 (Fatal errors make M4 exit immediately): New test case.
2809 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
2811 Implement --print-datadir.
2812 * src/getargs.c (usage): Mention.
2813 (PRINT_DATADIR_OPTION): New anonymous enum member.
2814 (long_options): Add entry for it.
2815 (getargs): Add case for it calling compute_pkgdatadir.
2816 * src/output.c (output_skeleton): Encapsulate data directory
2817 computation from here...
2818 (prepare): ... and from here...
2819 (compute_pkgdatadir): ... into this new function.
2820 * src/output.h (compute_pkgdatadir): Prototype.
2822 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
2824 * src/print-xml.c (escape_bufs): New static global variable
2826 (xml_escape_n): ... the static local variable buf here.
2827 (print_xml): Free memory for escape_bufs.
2828 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
2830 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
2832 Replace `%push-parser' and `%push-pull-parser' with
2833 `%define push_pull "push"' and `%define push_pull "both"'.
2834 `%define push_pull "pull"' is the default.
2835 * doc/bison.texinfo (Push Decl, Push Parser Function,
2836 Pull Parser Function, Parser Create Function, Parser Delete Function):
2837 Update declarations.
2838 (Decl Summary, Table of Symbols): Replace %push-parser and
2839 %push-pull-parser entries with a %define push_pull entry.
2840 * data/bison.m4 (b4_percent_define_check_values): New macro.
2841 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
2843 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
2845 * data/push.c: ... to here and compute them from the value of the
2846 %define variable push_pull.
2847 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
2848 parsing requests here...
2849 * data/yacc.c: ... hack this to switch to push.c any time
2850 b4_use_push_pull_flag or the %define variable push_pull is set. This
2851 will go away when we mv push.c yacc.c.
2852 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
2853 push parsing is not supported since unused %define variables are
2855 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
2856 * src/muscle_tab.h (muscle_percent_define_check_values): Update
2857 comments for consistency with b4_percent_define_check_values.
2858 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
2860 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
2862 (prologue_declaration): Remove %push-parser and %push-pull-parser
2864 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
2865 * tests/calc.at: Update declarations.
2866 * tests/input.at (%define enum variables): New test case.
2867 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
2869 (Push Parsing: Multiple impure instances): Update declaration.
2870 (Push Parsing: Unsupported Skeletons): New test case.
2871 * tests/torture.at (Exploding the Stack Size with Alloca): Update
2873 (Exploding the Stack Size with Malloc): Update declaration.
2875 2007-09-24 Wojciech Polak <polak@gnu.org>
2877 Add XSLT transformations.
2879 * data/xslt/xml2dot.xsl: Transform XML into DOT.
2880 * data/xslt/xml2text.xsl: Transform XML into plain text.
2881 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
2882 * data/Makefile.am (xsltdir): New variable.
2883 (dist_xslt_DATA): Add xslt/*.xsl files.
2885 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
2887 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
2888 Problem reported by Wojciech Polak.
2889 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
2890 (xml_printf): Undo change I made on 21 September; that is,
2891 indent 2 spaces, not 1.
2893 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
2895 Pacify ./configure --enable-gcc-warnings.
2896 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
2897 `char const *' instead of `char *'.
2898 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
2899 local variable `sep'.
2901 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
2903 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
2905 * src/print-xml.c: Prefer "const" after types; that's more consistent.
2906 (xml_printf): Indent just 1 space for level.
2907 (e_char, xlate_char): Remove.
2908 (xml_escape_string): Rewrite to avoid undefined behavior (used
2909 storage that was freed from the stack).
2910 (xml_escape_n): Don't bother checking for subscript error.
2912 2007-09-21 Wojciech Polak <polak@gnu.org>
2914 Add Bison XML Automaton Report.
2916 Add support for an -x option to generate an XML report.
2917 It is not documented yet.
2918 * src/print-xml.c: New file.
2919 * src/print-xml.h: Likewise.
2920 * lib/timevar.def (TV_XML): New var.
2921 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
2922 * src/conflicts.c: Include print-xml.h.
2923 (solved_conflicts_xml_obstack): New var.
2924 (log_resolution, conflicts_solve, conflicts_free):
2925 Add support for XML report.
2926 (conflicts_output_val): New function.
2927 * src/conflicts.h (conflicts_output_val): New decl.
2928 * src/files.c (spec_xml_file): New var.
2929 (compute_output_file_names, output_file_names_free): Add XML support.
2930 * src/files.h (spec_xml_file): New decl.
2931 * src/getargs.c (xml_flag): New var.
2932 (usage, short_options, long_options, getargs): Add XML support.
2933 * src/getargs.h (xml_flag): New decl.
2934 * src/gram.c: Include print-xml.h.
2935 (rule_lhs_print_xml, rule_rhs_print_xml):
2936 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
2938 * src/gram.h: Declare external ones.
2939 * src/main.c: Include print-xml.h.
2940 (main): Add XML support.
2941 * src/reduce.c: Include print-xml.h.
2942 (reduce_xml): New function.
2943 * src/reduce.h: Declare it.
2944 * src/state.c: Include print-xml.h.
2945 (state_new): Add XML support.
2946 (state_rule_lookahead_tokens_print_xml): New function.
2947 * src/state.h: Declare it.
2948 (struct state): New member solved_conflicts_xml.
2949 * src/symtab.c (symbol_class_get_string): New function.
2950 * src/symtab.h: Declare it.
2952 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
2954 * GNUmakefile: Switch to coreutils's version.
2955 * bootstrap: Likewise.
2956 * Makefile.cfg: Adjust to new GNUmakefile.
2957 * README-hacking: Likewise.
2961 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
2962 Bruno Haible <bruno@clisp.org>
2964 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
2965 and is a script that invokes bison. Tighten the code. Add comments.
2967 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
2969 Spell "boolean" as "Boolean". Reported by Akim Demaille.
2970 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
2971 * doc/bison.texinfo (Decl Summary): Fix.
2972 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
2973 * tests/input.at (Boolean %define variables): Update output.
2974 * tests/skeletons.at (%define boolean variables: invalid skeleton
2975 defaults): Rename to...
2976 (%define Boolean variables: invalid skeleton defaults): ... this and
2979 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
2981 In impure push mode, don't allow more than one yypstate to be allocated
2982 since multiple impure parsers would corrupt yynerrs.
2983 * data/push.c (yypstate_allocated): New static global variable
2985 (yypull_parse): If yypstate_new returns 0, don't report it as memory
2986 exhaustion if yypstate_allocated is 1, but still return 2.
2987 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
2988 already 1. Otherwise, set it to 1.
2989 (yypstate_delete): Set it to 0.
2990 * tests/push.at (Push Parsing: Multiple impure instances): New test
2993 2007-08-17 Bob Rossi <bob@brasko.net>
2995 * doc/bison.texinfo (Push Decl): Document the push parser.
2996 (Table of Symbols): Ditto.
2998 (Decl Summary): Ditto.
2999 (Multiple Parsers, Push Parser Function, Pull Parser Function,
3000 Parser Create Function, Parser Delete Function):
3001 Add new push parser symbols.
3002 (Table of Symbols): Document push-parser, push-pull-parser,
3003 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
3005 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
3008 * doc/gpl-3.0.texi: New file.
3009 * doc/gpl.texi: Remove.
3010 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
3011 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
3012 * README-hacking, TODO, bootstrap, bootstrap.conf:
3013 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
3014 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
3015 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
3016 * data/lalr1.cc, data/lalr1.java, data/location.cc:
3017 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
3018 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
3019 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
3020 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
3021 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
3022 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
3023 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
3024 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
3025 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
3026 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
3027 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
3028 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
3029 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
3030 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
3031 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
3032 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
3033 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
3034 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
3035 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
3036 * src/complain.c, src/complain.h, src/conflicts.c:
3037 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
3038 * src/files.h, src/flex-scanner.h, src/getargs.c:
3039 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
3040 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
3041 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
3042 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
3043 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
3044 * src/print.c, src/print.h, src/print_graph.c:
3045 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
3046 * src/reduce.h, src/relation.c, src/relation.h:
3047 * src/revision.h, src/scan-code.h, src/scan-code.l:
3048 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
3049 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
3050 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
3051 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
3052 * tests/Makefile.am, tests/actions.at, tests/c++.at:
3053 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
3054 * tests/existing.at, tests/glr-regression.at:
3055 * tests/headers.at, tests/input.at, tests/java.at:
3056 * tests/local.at, tests/output.at, tests/push.at:
3057 * tests/reduce.at, tests/regression.at, tests/sets.at:
3058 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
3062 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3064 Get rid of broken %no-parser, -n, and --no-parser implementation and
3066 * TODO: Don't mention them.
3067 * doc/bison.1: Likewise.
3068 * doc/bison.texinfo (Decl Summary): Likewise.
3069 (Bison Options): Likewise.
3070 (Option Cross Key): Likewise.
3071 * src/getargs.c (no_parser_flag): Remove global variable.
3072 (usage): Don't print description of -n and --no-parser.
3073 (long_options): Remove --no-parser entry here.
3074 (getargs): Remove -n case in the switch here.
3075 * src/getargs.h (no_parser_flag): Remove extern.
3076 * tests/regression.at (Web2c Actions): Remove comment that mentions
3079 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3081 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
3082 name user variables starting with `yy'. Just pass NULL instead of a
3083 dummy local &yylval to yypush_parse.
3084 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
3087 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
3089 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
3090 true since it's then always used regardless of whether yyoverflow is
3091 defined. Reported by Christian Burger at
3092 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
3093 * THANKS: Add Christian Burger.
3095 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3096 node names: say "Decl Summary" not "Bison Declaration Summary".
3098 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
3100 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
3101 determine whether this function has already complained about an invalid
3102 value for a %define boolean variable, don't check whether Bison has
3103 ever examined the value. As written, the check was a tautology.
3104 Instead, record and check for this complaint using a separate muscle.
3106 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3108 Fix push parsing memory leak reported by Brandon Lucia at
3109 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
3110 * THANKS: Add Brandon Lucia.
3111 * data/push.c (yypstate_delete): Free the stack if it was reallocated
3112 but the parse never completed and thus freed it.
3113 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
3114 * tests/testsuite.at: Include push.at.
3115 * test/push.at: New.
3116 (Push Parsing: Memory Leak for Early Deletion): New test case.
3118 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
3120 Improve handling of multiple S/R conflicts in the same state and of S/R
3121 conflicts involving multiple reductions.
3122 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
3123 set for a state here or Bison will abort if it is reassigned on a
3124 later conflicted reduction in the same state.
3125 Similarly, don't finalize and assign the solved conflicts report here
3126 or it will be lost if it is reassigned on a later conflicted reduction
3128 (set_conflicts): Instead, assign them both here after all S/R conflicts
3129 in the state have been fully examined.
3130 * src/print.c (shift_set): Rename to...
3131 (no_reduce_set): ... this.
3132 (print_reductions): Update for rename, and add %nonassoc error action
3133 tokens to no_reduce_set so that, when printing the first remaining
3134 reduction on an error action token, the reduction is enclosed in
3136 (print_results): Update for rename.
3137 * tests/conflicts.at (Solved conflicts report for multiple reductions
3138 in a state): New test case.
3139 (%nonassoc error actions for multiple reductions in a state): New test
3142 * src/main.c (main): Don't depend on C99 features.
3144 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3146 * build-aux/.cvsignore: Add compile.
3147 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
3150 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
3152 * bootstrap (slurp): Create target directories that don't exist.
3153 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
3155 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3157 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
3159 * closure.c (closure): Likewise.
3160 * state.h (reductions): Comment sorting of rules.
3161 (state): Comment sorting of items.
3163 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
3165 Fix C++ test cases after recent Gnulib changes. Discussed starting at
3166 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
3167 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
3168 definition in order to avoid Gnulib headers since we don't use config.h
3170 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
3171 rather than AT_DATA so that config.h is included.
3173 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
3175 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
3176 instead of fprintf. Guard these functions with #if YYDEBUG instead of
3177 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
3178 and so that YYFPRINTF is guaranteed to be defined here.
3180 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3182 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
3184 (muscle_percent_define_check_values): ... this more helpful function.
3185 Again, it's not used yet, but it will be.
3186 * src/muscle_tab.h: Likewise.
3188 Improve some comments in parser table construction.
3189 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
3190 (generate_states): Don't mention ruleset, which is internal to closure.
3191 * src/closure.c (closure): Explain sorting of core and itemset, which
3192 is required for this function to behave correctly.
3193 * src/closure.h (closure): Mention sorting.
3195 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
3197 * src/lalr.c (state_lookahead_tokens_count): For code readability,
3198 move the check for disabled transitions to an aver since conflict
3199 resolution hasn't happened yet.
3201 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
3202 labels a state as inconsistent just because it has error transitions.
3203 The original form of this check appeared in revision 1.1 of lalr.c,
3204 which was committed on 1991-12-21. Now (at least), changing the
3205 consistency label on such a state appears to have no useful effect in
3206 any of the places it is examined, which I enumerate below. The key
3207 point to understanding each item in this enumeration is that a state
3208 with an error transition is labelled consistent in the first place only
3209 if it has no rules, so the check cannot matter for states that have
3210 rules. (1) Labelling a state as inconsistent will cause set_conflicts
3211 to try to identify its conflicts, and a state must have *rules* to have
3212 conflicts. (2) Labelling a state as inconsistent will affect how
3213 action_row sets the default *rule* for the state. (3) Labelling a
3214 state as inconsistent will cause build_relations to add lookback edges
3215 to *rules* in that state.
3216 * src/state.h (struct state): Word the comment for member consistent
3219 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3221 Don't depend on C99 features.
3222 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
3223 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
3224 * src/reader.c (check_and_convert_grammar): Fix for-loop.
3225 * src/state.c (state_mark_reachable_states): Fix for-loop.
3226 (state_remove_unreachable_states): Fix for-loop.
3228 Don't widen struct state with member reachable just to temporarily
3229 record reachability. Instead, use a local bitset.
3230 * src/state.h (struct state): Remove member.
3231 * src/state.c (state_new): Don't initialize it.
3232 (state_mark_reachable_states): Rename to...
3233 (state_record_reachable_states): ... this, and use bitset.
3234 (state_remove_unreachable_states): Use bitset.
3236 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
3238 * src/Makefile.am (yacc): Quote target action commands properly so
3239 that the yacc script isn't corrupt. Reported by Hans Aberg at
3240 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
3242 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
3243 the case of pure parsers. Reported by Frans Englich at
3244 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
3245 * THANKS: Add Frans Englich.
3247 * NEWS (2.3a+): In the %code entry, reference section `Bison
3248 Declaration Summary' from the manual now since the %code summary has
3250 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
3251 in the rules section must be terminated by semicolons.
3253 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
3255 Extend the front-end API for %define variables to more completely
3256 mirror the back-end. This will be useful in the future.
3257 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
3258 Update comments to mention the new front-end counterparts of these
3260 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
3261 for muscle_string_decode and muscle_location_decode.
3262 (muscle_string_decode): New static function.
3263 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
3264 (muscle_percent_define_get, muscle_percent_define_ifdef): New
3266 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
3267 muscle_percent_define_get to mimic the b4_percent_define_flag_if
3268 implementation more closely.
3269 (muscle_percent_define_invalid_value): New function.
3270 * src/muscle_tab.h (muscle_percent_define_get,
3271 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
3274 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3276 * NEWS (2.3a+): Mention yesterday's state-removal change.
3277 (2.3a): Remove the %language entry, which was added after 2.3a.
3278 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
3279 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
3280 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
3281 tests/existing.at: Update copyright date.
3283 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3285 If conflict resolution makes states unreachable, remove those states,
3286 report rules that are then unused, and don't report conflicts in those
3288 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
3289 New global function.
3290 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
3292 * src/main.c (main): After conflict resolution, remove the unreachable
3293 states and update all data structures that reference states by number.
3294 * src/state.c (state_new): Initialize each state's reachable member to
3296 (state_mark_reachable_states): New static function.
3297 (state_remove_unreachable_states): New global function.
3298 * src/state.h (struct state): Add member bool reachable.
3299 (state_remove_unreachable_states): Prototype.
3300 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3302 * tests/existing.at (GNU pic Grammar): Update test case output now that
3303 an unused rule is discovered.
3305 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3307 Minor code cleanup in parser table construction.
3308 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
3309 (new_itemsets, save_reductions): Update for rename to nitemset.
3310 * src/closure.c (nritemset): Rename to...
3311 (nitemset): ... this since the "r" appears to meaningless and isn't
3312 used in the comments.
3313 (closure): Update for rename.
3314 * src/closure.h (nritemset): Update extern to...
3315 (nitemset): ... this.
3316 * src/lalr.c (LA): Fix a typo in comments.
3317 * src/print.c (print_core): Update for rename to nitemset.
3318 * src/print_graph.c (print_graph): Likewise.
3319 * src/state.h: Fix some typos in header comments.
3321 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
3323 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
3324 still sticks to ASCII. Sorry!
3326 * README-hacking: New file, taken mostly from coreutils, with changes
3327 for Bison. Contains much of the contents of:
3328 * README-cvs: Remove.
3329 * bootstrap: Sync from gnulib.
3330 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
3331 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
3333 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
3335 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
3337 (Java Differences): Fix some typos.
3338 * THANKS: Add Sebastian Setzer.
3340 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
3342 * data/java.m4 (b4_single_class_if): Remove.
3343 (b4_abstract_if): Look at "%define abstract".
3345 (b4_union_name): Rename...
3346 (b4_yystype): ... to this. Map to "%define stype".
3347 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
3348 b4_maybe_throws): Fix quoting.
3349 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
3350 * data/lalr1.java (Lexer interface): Always define.
3351 (Lexer interface within parser class): Remove.
3352 (YYLexer class): New, used when "%code lexer" is present.
3353 (constructor): When "%code lexer" is used, pass %lex-param
3354 to the lexer constructor.
3355 (yylex, yyparse): Remove %lex-param from method invocations
3356 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
3358 * doc/bison.texinfo (Java Bison Interface): Mention "%define
3359 abstract". Rename "%define union_name" to "%define stype".
3360 Rename method names according to previous patch.
3361 (Java Scanner Interface): Describe "%code lexer" instead of
3362 "%pure-parser" and "%define single_class".
3363 (Java Differences): Mention "%code lexer".
3365 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
3366 Include scanner here, using macros from tests/local.at.
3367 (AT_DATA_CALC_Y): Remove final argument.
3368 (_AT_CHECK_JAVA_CALC): Likewise.
3369 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
3370 of %locations and %error-verbose.
3371 (main): Test with and without %lex-param.
3372 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
3373 (AT_BISON_OPTION_POPDEFS): Pop it.
3375 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3377 DJGPP spefic issue. Inhibit the use of disallowed characters for
3378 file name genertion on Win98, WinXP, etc. These are |<>":?*\
3379 and concern testsuite case 46.
3380 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
3381 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
3382 * djgpp/config.bat: Inhibit the use of disallowed characters.
3384 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
3386 Miscellaneous %define and %code cleanup.
3387 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
3388 values are interpreted.
3389 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
3390 documentation a little more.
3391 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
3392 muscle_percent_define_insert, muscle_percent_code_grow): New
3394 * src/muscle_tab.h (muscle_percent_define_insert,
3395 muscle_percent_code_grow): Prototype.
3396 * src/parse-gram.y (prologue_declaration): Use
3397 muscle_percent_define_insert and muscle_percent_code_grow when parsing
3398 %define and %code directives.
3400 Make it easy to share %define boolean variables between the front-end
3401 and back-end. Though not used yet, this will be useful in the future.
3402 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
3403 Bison uses of names rather than just skeleton uses of names.
3404 (b4_percent_define_get, b4_percent_define_ifdef): Rename
3405 b4_percent_define_skeleton_variables(VARIABLE) to
3406 b4_percent_define_bison_variables(VARIABLE).
3407 (b4_percent_code_get, b4_percent_code_ifdef): Rename
3408 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
3409 b4_percent_code_bison_qualifiers(QUALIFIER).
3410 (b4_check_user_names_wrap): Update for renames.
3411 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
3412 muscle_percent_define_default): New functions mimicking
3413 b4_percent_define_flag_if and b4_percent_define_default.
3415 For %define variables, report locations for invalid values and
3417 * data/bison.m4 (b4_percent_define_flag_if): Read
3418 b4_percent_define_loc(VARIABLE) to report the location of an invalid
3420 (b4_percent_define_default): Save a special location in
3421 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
3422 must later be reported as invalid.
3423 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
3425 (muscle_percent_define_insert): Record the location of VARIABLE in
3426 muscle percent_define_loc(VARIABLE), and use it to report the previous
3427 location for a redefinition.
3428 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
3429 (muscle_percent_define_default): Update like b4_percent_define_default.
3430 (muscle_grow_user_name_list): Rename to...
3431 (muscle_user_name_list_grow): ... this for consistency and use
3432 muscle_location_grow.
3433 * src/muscle_tab.h (muscle_location_grow): Prototype.
3434 * tests/input.at (%define errors): Update expected output.
3435 * tests/skeletons.at (%define boolean variables: invalid skeleton
3436 defaults): New test case.
3438 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
3440 * src/print.c (lookahead_set, state_default_rule): Remove.
3441 (print_reductions): Replace state_default_rule invocation with
3442 equivalent use of yydefact, which was computed in token_actions in
3444 (print_results): Don't allocate lookahead_set.
3446 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
3448 * data/lalr1.java: Prefix all private members with yy.
3450 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
3452 Use YYFPRINTF instead of fprintf where appropriate. Reported by
3453 Sebastien Fricker at
3454 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
3455 * THANKS: Add Sebastien Fricker.
3456 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
3457 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
3458 accept a variable number of arguments.
3460 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3462 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
3464 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3466 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
3467 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
3468 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
3470 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
3472 Undo my 2007-02-07 change, switching back to the c-strcase module
3473 introduced in the 2007-02-03 change. Bruno Haible reported that
3474 the 2007-02-07 change would be dangerous in Turkish if we add a
3475 language whose name contains "i", since "i" is not lowercase "I"
3477 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
3478 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
3479 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
3480 * m4/.cvsignore: Remove strcase.m4.
3481 * src/getargs.c: Revert 2007-02-07 change, as follows.
3482 Include c-strcase.h.
3483 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
3485 2007-02-11 Bruno Haible <bruno@clisp.org>
3487 Enable the Java related testsuite tests when the only Java compiler
3488 found is a gcj < 4.3. Discussed at
3489 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
3490 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
3492 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
3494 * data/Makefile.am: Update copyright date.
3495 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
3496 yypstate_new returns NULL.
3497 (yypstate_new): Return NULL if malloc does.
3498 * src/reader.c (packgram): Move translation of rule actions from the
3499 beginning of packgram to...
3500 (check_and_convert_grammar): ... here right before packgram is invoked
3501 so it's easier to write more complete comments, and remove redundant
3504 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
3506 As in semantic actions, make @$ in %initial-action, %destructor, and
3507 %printer imply %locations.
3508 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
3510 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
3511 (@$ in %initial-action implies %locations,
3512 @$ in %destructor implies %locations,
3513 @$ in %printer implies %locations): ... these new test cases.
3515 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
3517 Undo most of the 2007-02-03 change, switching to the strcase module
3518 now that gnulib strcase has been fixed.
3519 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
3520 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
3521 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
3522 * m4/.cvsignore: Add strcase.m4.
3523 * src/getargs.c: Revert 2007-02-03 change, as follows.
3524 Don't include c-strcase.h.
3525 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
3526 strcasecmp has "unspecified behavior" outside the POSIX locale,
3527 but it works fine in practice if at least one argument is ASCII,
3528 as is the case in Bison.
3530 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
3532 * tests/java.at: Skip tests if only one of javac/java is present.
3533 Reported by Joel E. Denny.
3534 * tests/atlocal.in: Adjust copyright years.
3536 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
3538 * data/lalr1.java (Stack): Work around old verifiers that disallow
3539 access to the private fields of an inner class, from the outer class.
3540 We can make Stack's fields public because user code doesn't have access
3541 to the instance of Stack used by parse(). Reported by Paul Eggert.
3543 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
3545 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
3546 the right spot for these files?
3547 * bootstrap.conf (gnulib_modules): Add c-strcase.
3548 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
3550 * src/getargs.c: Include c-strcase.h.
3551 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
3552 to avoid unspecified behavior.
3554 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
3556 * doc/bison.texinfo (Decl Summary): Correct typo.
3558 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
3560 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
3561 Complain if the value does not match empty, "true" or "false".
3562 * data/c++.m4: Adjust default definitions of %define variables.
3563 * data/java.m4: Adjust default definitions of %define variables.
3564 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
3566 * tests/input.at (Boolean %define variables): Test new behavior.
3568 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
3570 * NEWS: Mention java.
3571 * TODO: Remove things that are done.
3572 * bootstrap.conf: Add javacomp-script and javaexec-script.
3573 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
3575 * data/Makefile.am: Add new files.
3576 * data/java-skel.m4: New.
3577 * data/java.m4: New.
3578 * data/lalr1.java: New.
3580 * doc/bison.texinfo: Put "A Complete C++ Example" under
3581 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
3582 under Other Languages.
3584 * src/getargs.c (valid_languages): Add Java.
3585 * src/getargs.h (struct bison_language): Update size of string fields.
3587 * tests/Makefile.am: Add java.at.
3588 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
3589 * tests/java.at: New.
3590 * tests/testsuite.at: Include it.
3592 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
3595 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
3596 at_directive_argv arguments so these no longer have to be global
3597 variables. Also, update the implementation for the following changes.
3598 (fail_for_at_directive_too_many_args,
3599 fail_for_at_directive_too_few_args): Add at_directive_name argument.
3600 (at_directive_name): Remove as at_directive_argv[0] will be used for
3602 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
3603 for the directive name.
3604 (at_directive_argc, at_directive_argv): Make these local within
3605 skel_lex instead of global.
3606 (INITIAL): Update directive start action for above changes.
3607 (SC_AT_DIRECTIVE_ARG): Rename to...
3608 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
3609 (SC_AT_DIRECTIVE_SKIP_WS): Update.
3610 (scan_skel): Move yylex_destroy to...
3611 (skel_scanner_free): ... here.
3612 * tests/skeletons.at (installed skeleton file name): Rename to...
3613 (installed skeleton file names): ... this.
3615 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
3617 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3618 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
3619 Summary" not "Directives".
3620 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
3621 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
3622 since the former is now the more complete one.
3623 (Prologue Alternatives): Likewise and do the same for %defines.
3624 (Table of Symbols): Add summary of %code, add summary of %define, and
3625 move full %code documentation to...
3626 (Decl Summary): ... here for consistency with other entries in these
3628 Move %define entry in order to keep this list alphabetized.
3629 Reword %define entry a little to put less emphasis on the skeleton
3630 concept, which most users shouldn't have to think about.
3632 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
3634 Adjust to recent gnulib changes.
3635 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
3636 Add string.h, string_.h, unistd_.h, wchar_.h.
3637 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
3638 * src/system.h: Don't include <stpcpy.h>; this is now done by
3641 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
3643 Simplify implementation of unqualified %code, implement macros for
3644 uniform treatment of boolean %define flags. Document %define.
3645 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
3646 b4_percent_code_ifdef): New.
3647 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
3648 * data/c++.m4: Define default value for global_tokens_and_yystype.
3649 * data/glr.cc: Likewise.
3650 * data/location.cc: Use b4_percent_define_flag_if.
3652 * doc/bison.texinfo (Decl Summary): Document %define.
3654 * src/parse-gram.y (Unqualified %code): Change muscle name to
3656 (content.opt): Default to empty.
3658 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
3660 Implement support for relative and absolute skeleton file names.
3661 Discussed starting at
3662 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
3663 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
3664 (Bison Options): Document in --skeleton entry.
3665 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
3666 full_skeleton can't necessarily hold all of pkgdatadir.
3667 If the specified skeleton file name contains a `/', don't prepend
3669 * src/parse-gram.y (prologue_declaration): If the specified skeleton
3670 file name contains a `/', prepend the grammar file directory.
3671 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
3672 * skeletons.at: New file.
3673 (relative skeleton file names): New test case.
3674 (installed skeleton file names): New test case.
3675 * tests/testsuite.at: Include skeletons.at.
3677 * bootstrap: Update copyright to 2007.
3679 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
3681 * bootstrap: Remove occurrences of .#bootmp from the files.
3683 2007-01-17 Akim Demaille <akim@epita.fr>
3685 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
3687 Use per-type %printer.
3689 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
3691 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
3692 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
3693 djgpp/config.site, src/files.c, src/files.h, src/main.c,
3694 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
3695 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
3696 tests/glr-regression.at, tests/input.at, tests/local.at,
3697 tests/output.at, tests/torture.at: Update copyright to 2007.
3699 2007-01-16 Akim Demaille <akim@epita.fr>
3701 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
3703 (Calc++ Scanner): Exit with failure if we can't open the input
3705 Accept "-" standing for stdin.
3706 (Calc++ Top Level): Print the result only if the parsing was
3709 2007-01-16 Akim Demaille <akim@epita.fr>
3711 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
3713 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
3714 and Joel E. Denny <jdenny@ces.clemson.edu>
3716 Clean up %define and %code implementation in M4 some. Most
3717 importantly, rename all related macros to be in the b4_percent_define
3718 and b4_percent_code namespaces. Also, complete support for `.' in
3719 %define variable names and %code qualifiers.
3720 * data/bison.m4 (b4_check_user_names): Check for special
3721 "SKELETON-NAMESPACE(name)" macros instead of using two nested
3723 (b4_get_percent_define, b4_get_percent_code): Rename to...
3724 (b4_percent_define_get, b4_percent_code_get): ... these.
3725 Extend documentation with examples.
3726 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
3727 b4_percent_define_skeleton_variables and
3728 b4_percent_code_skeleton_qualifiers.
3729 Expect any value for the %define variable `foo' to be stored in the
3730 macro named `b4_percent_define(foo)'; expect any %code blocks for the
3731 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
3732 expect any unqualified %code blocks to be stored in a macro named
3733 `b4_percent_code_unqualified'.
3734 Use m4_indir so that %define variable names and %code qualifiers can
3735 contain `.', which is allowed by the grammar parser.
3736 (b4_percent_define_default): New macro to set a default value for a
3738 (m4_wrap): Update wrapped code, and fix some underquoting.
3739 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
3740 Expect grammar uses of %define variables and %code qualifiers to be
3741 defined in b4_percent_define_user_variables and
3742 b4_percent_code_user_qualifiers.
3743 * data/c++.m4: Use b4_percent_define_default rather than
3744 m4_define_default. Fix some underquoting. Skeleton usage of %define
3745 variable define_location_comparison now implies skeleton usage of
3746 %define variable filename_type.
3747 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
3748 data/push.c, data/yacc.c: Update macro names.
3749 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
3752 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3754 DJGPP specific issues.
3756 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
3757 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
3759 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
3761 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
3762 run parsers in all tests so that Valgrind is invoked during
3763 maintainer-check-valgrind.
3764 (Duplicate representation of merged trees): Free all semantic values.
3765 (Duplicated user destructor for lookahead): Likewise.
3767 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
3769 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
3770 command-line prefix.
3771 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
3772 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
3773 miss Valgrind messages.
3774 (Exploding the Stack Size with Malloc): Likewise.
3776 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
3778 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
3779 locals. Reported by Juan Manuel Guerrero at
3780 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
3781 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
3782 Fix some indentation also.
3783 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
3784 explaining this issue.
3786 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
3787 and Joel E. Denny <jdenny@ces.clemson.edu>
3789 Simplify union and prologue handling, and escape union and lex/parse
3790 params with digraphs.
3791 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
3792 values to the empty string since these are no longer guaranteed
3793 initialized by the front-end.
3794 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
3795 braces around b4_user_stype since this is no longer done by the
3797 * src/files.c, src/files.h (pre_prologue_obstack,
3798 post_prologue_obstack): Remove.
3799 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
3800 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
3801 with digraphs. This fixes lex params and parse params.
3802 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
3803 * src/output.c (prepare): Remove muscle insertion of the prologues.
3804 (output): Remove freeing of pre_prologue_obstack and
3805 post_prologue_obstack.
3806 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
3807 than prologue_augment for prologue parsing so you don't need prologue
3809 (grammar_declaration): For %union RHS, use `braceless' instead of
3810 "{...}" so that braces are already stripped and code is escaped with
3812 * src/reader.c (prologue_augment): Remove.
3813 (reader): Remove initialization of pre_prologue_obstack and
3814 post_prologue_obstack.
3815 * src/reader.h (prologue_augment): Remove.
3817 * data/c.m4: Remove stray parenthesis.
3819 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
3821 Remove quotes from variables names in %define directives and from
3822 qualifiers in %code directives, and restrict the characters that are
3823 allowed in them to M4-friendly ones. For %define, continue to support
3824 the quoted form as a deprecated feature. Discussed starting at
3825 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
3826 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
3828 * doc/bison.texinfo (Prologue Alternatives): Update.
3829 (Decl Summary): In %defines entry, update mention of `%code requires'
3830 and `%code provides'.
3831 (C++ Location Values): Update %define uses.
3832 (Calc++ Parser Interface): Likewise.
3833 (Calc++ Parser): Likewise, and update `%code requires' uses.
3834 (Table of Symbols): Update %code documentation.
3835 * src/parse-gram.y (prologue_declaration): For %define variables, use
3836 `variable' instead of `STRING'.
3837 (grammar_declaration): For %code qualifiers, use `ID' instead of
3839 (variable): New nonterminal that takes an `ID' or a `STRING'.
3840 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
3842 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
3843 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
3844 (%define errors): Update %define uses.
3846 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
3848 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
3849 instead of muscle_insert for %define values so that M4-special
3850 characters are replaced with digraphs.
3851 * tests/input.at (%define errors): Extend to check weird values.
3853 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
3855 Instead of having skeletons declare all valid %define variables and
3856 %code qualifiers, provide macros that retrieve the associated values
3857 and build these lists automatically. Thus Bison will now warn when a
3858 variable or qualifier is not used by the skeleton in the current
3859 invocation regardless of whether it might sometimes be used by that
3860 skeleton in other invocations. Also, move all %define value macros to
3861 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
3862 form, which is replaced by %code.
3863 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
3864 (b4_check_user_names): ... this, and change the series of valid name
3865 arguments to a single list argument for names used in the skeleton
3866 similar to the existing list argument for names used in the grammar.
3867 Warn instead of complaining.
3868 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
3869 values and %code code, to format %code code properly, and to build
3870 lists of all %define variables and %code qualifiers used in the
3871 skeleton: b4_skeleton_percent_define_variables and
3872 b4_skeleton_percent_code_qualifiers.
3873 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
3875 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
3876 the skeleton names lists can finish building first. In place of
3877 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
3878 expect the lists b4_user_percent_define_variables and
3879 b4_user_percent_code_qualifiers.
3880 * data/c++.m4: Where setting default values for b4_parser_class_name,
3881 b4_location_type, b4_filename_type, b4_namespace, and
3882 b4_define_location_comparison, update their names to the
3883 b4_percent_define_ namespace.
3884 * data/glr.c: Don't use b4_check_percent_define_variables and
3885 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
3886 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
3887 (b4_parser_class_name, b4_namespace): Define these using
3888 b4_get_percent_define for parser_class_name and namespace.
3889 * data/location.cc: Use b4_get_percent_define.
3890 * data/push.c: Don't use b4_check_percent_define_variables and
3891 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
3892 * data/yacc.c: Likewise, and don't call m4_exit in
3893 b4_use_push_for_pull_if or m4_wrap code will never execute.
3894 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
3896 (muscle_grow_user_name_list): ... this for consistency with the
3897 terminology used in bison.m4.
3898 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
3899 %define variable names, and rename muscle used_percent_define_variables
3900 to user_percent_define_variables.
3901 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
3902 user_percent_code_qualifiers.
3904 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
3905 {CODE} form is no longer accepted.
3906 * tests/input.at (Reject bad %code qualifiers): Rename to...
3907 (Reject unused %code qualifiers): ... this, and update test output.
3908 (%define error): Update test output.
3910 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
3912 Check for unrecognized %define variables similar to checking for
3913 unrecognized %code qualifiers. Check for redefined %define variables.
3914 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
3916 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
3917 (b4_check_percent_define_variables): New, also wraps it.
3918 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
3919 variables using b4_check_percent_define_variables.
3920 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
3921 all those exercised in the test suite and all those listed in the
3922 `Default values' section of c++.m4. Are there others?
3923 * data/push.c, data/yacc.c: Declare no valid %define variables.
3924 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
3925 similar to muscle_find, but it works even when the muscle stores a
3927 (muscle_grow_used_name_list): New function for constructing the used
3928 name list muscles that b4_check_for_unrecognized_names requires.
3929 * src/parse-gram.y (prologue_declaration): Warn if a variable is
3930 %define'd more than once. Define the b4_used_percent_define_variables
3931 muscle with muscle_grow_used_name_list.
3932 (grammar_declaration): Abbreviate %code code with
3933 muscle_grow_used_name_list.
3934 * tests/input.at (%define errors): New.
3936 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
3938 Provide warn_at, complain_at, and fatal_at function callbacks to the
3939 skeletons, and use this for %code qualifier complaints.
3940 * data/bison.m4 (b4_error_at): New, invoked by...
3941 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
3942 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
3943 @fatal_at(...@) directives.
3944 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
3945 qualifiers in b4_used_percent_code_qualifiers and to use
3947 * src/location.c, src/location.h (boundary_set_from_string): New global
3949 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
3951 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
3952 to b4_used_percent_code_qualifiers.
3953 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
3955 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
3956 (lineno): Rename to...
3957 (out_lineno): ... this so I don't misunderstand it again.
3958 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
3959 here; these newlines are in the input but not the output file.
3960 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
3961 (at_directive_perform): ... this new static function, and add handling
3962 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
3964 * tests/input.at (Reject bad %code qualifiers): Update test output with
3965 locations and extend.
3967 * tests/output.at (Output file name: [, Output file name: ]): Remove
3968 bogus comment about these tests failing.
3970 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
3972 Clean up b4_check_percent_code_qualifiers a little.
3973 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
3974 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
3975 documentation and add examples.
3976 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
3979 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
3981 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
3982 unreliable -- especially when they're hidden inside another macro.
3983 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
3984 data/c.m4: Remove m4_divert(-1).
3985 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
3986 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
3987 m4_divert_push(0) and m4_divert_pop(0).
3988 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
3989 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
3990 pushed and popped by m4sugar, should be first on the stack.
3992 Provide warn, complain, and fatal function callbacks to the skeletons.
3993 This provides more flexibility than m4_fatal, improves the error
3994 message format, and captures messages for translation. Discussed
3996 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
3997 * data/bison.m4 (b4_error): New, invoked by...
3998 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
3999 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
4000 directives. Because these M4 macros might be called when the current
4001 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
4002 the previous removal of uses of m4_divert, which caused trouble.
4003 (b4_check_percent_code_qualifiers): Use b4_complain instead of
4004 m4_fatal to report unrecognized %code qualifiers.
4005 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
4006 push parser requests.
4007 * data/glr.c: Use b4_complain instead of m4_fatal to report
4008 non-deterministic push parser requests.
4009 Update @output usage to @output(...@) form.
4010 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
4011 report missing %defines. Update @output usage to @output(...@) form.
4012 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
4014 * src/main.c (main): Invoke skel_scanner_free.
4015 * src/scan-skel.h (skel_scanner_free): Prototype new function.
4016 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
4017 obstack_for_string from flex-scanner.h.
4018 (YY_DECL): Use to declare skel_lex static.
4019 (decode_at_digraphs): Remove; now handled in the new
4020 SC_AT_DIRECTIVE_ARG start condition.
4021 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
4023 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
4024 at_directive_argv): New static globals.
4025 (INITIAL): Use fail_for_invalid_at.
4026 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
4027 recognize the start of a generalized `@directive(...@)' form and
4029 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
4030 directive args (using the new obstack_for_string), to decode the
4031 contained @ diagraphs, and to perform the directive. It recognizes
4032 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
4034 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
4035 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
4037 (scan_skel): Initialize obstack_for_string on the first call.
4038 (skel_scanner_free): New function to free obstack_for_string.
4039 * tests/input.at (Reject bad %code qualifiers): Update test output.
4041 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
4043 Consolidate the 4 prologue alternative directives (%code, %requires,
4044 %provides, and %code-top) into a single %code directive with an
4045 optional qualifier field. Discussed at
4046 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
4047 * NEWS (2.3a+): Rewrite the existing entry for the prologue
4049 * doc/bison.texinfo (Prologue Alternatives): Update.
4050 (Decl Summary): Update to %code "requires" and %code "provides".
4051 (Calc++ Parser): Update to %code "requires".
4052 (Table of Symbols): Remove entries for %requires, %provides, and
4053 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
4054 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
4055 are replaced by b4_percent_code_provides and b4_percent_code_requires,
4056 which are skeleton-specific.
4057 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
4058 declare what %code qualifiers it supports and to complain if any other
4059 qualifiers were used in the grammar.
4060 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
4061 and b4_user_code([b4_percent_code_provides]) in place of
4062 b4_user_requires and b4_user_provides.
4063 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
4064 Add b4_user_code([b4_percent_code_top]) and
4065 b4_user_code([b4_percent_code]).
4066 Invoke b4_check_percent_code_qualifiers.
4067 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4068 PERCENT_REQUIRES): Remove.
4069 (grammar_declaration): Remove RHS's for %code-top, %provides, and
4070 %requires. Rewrite the %code RHS as the unqualified form defining the
4071 muscle b4_percent_code. Add another RHS for the qualified %code form,
4072 which defines muscles of the form b4_percent_code_QUALIFIER and the
4073 b4_used_percent_code_qualifiers muscle.
4074 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4075 PERCENT_REQUIRES): Remove.
4076 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
4077 %code "requires" and %code "provides".
4078 * tests/input.at (Reject bad %code qualifiers): New.
4080 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4082 Use the new code_props interface for destructors and printers.
4083 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
4084 printer_location members, and change the type of the destructor and
4085 printer members to code_props.
4086 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
4087 symbol_printer_get, semantic_type_destructor_set,
4088 semantic_type_printer_set, default_tagged_destructor_set,
4089 default_tagless_destructor_set, default_tagged_printer_set,
4090 default_tagless_printer_set): Use code_props in arguments and return
4091 types in place of char const * and location.
4092 (symbol_destructor_location_get, symbol_printer_location_get): Remove
4093 since the locations are now contained in the return of
4094 symbol_destructor_get and symbol_printer_get.
4095 * src/output.c (symbol_destructors_output, symbol_printers_output):
4097 (symbol_code_props_output): ... this to eliminate duplicate code.
4098 (output_skeleton): Update to use symbol_code_props_output.
4099 * src/reader.c (symbol_should_be_used): Update use of
4100 symbol_destructor_get.
4101 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4102 Update uses of the various _destructor_set and _printer_set functions.
4103 * src/symtab.c: (default_tagged_destructor_location,
4104 default_tagless_destructor_location, default_tagged_printer_location,
4105 default_tagless_printer_location): Remove since we...
4106 (default_tagged_destructor, default_tagless_destructor,
4107 default_tagged_printer, default_tagless_printer): ... change the type
4108 of these to code_props.
4109 (symbol_new, semantic_type_new, symbol_destructor_set,
4110 semantic_type_destructor_set, symbol_destructor_get,
4111 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
4112 symbol_check_alias_consistency, default_tagged_destructor_set,
4113 default_tagless_destructor_set, default_tagged_printer_set,
4114 default_tagless_printer_set): Update.
4115 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
4116 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
4118 (symbol_print): Use SYMBOL_CODE_PRINT.
4120 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4122 Use the new code_props interface for rule actions.
4123 * src/symlist.h (symbol_list): Replace action, action_location, and
4124 used members with a code_props action_props member.
4125 * src/reader.c (symbol_should_be_used, grammar_rule_check,
4126 grammar_midrule_action, grammar_current_rule_merge_set,
4127 grammar_current_rule_symbol_append, packgram): Update.
4128 * src/scan-code.h (translate_rule_action): Remove, no longer used.
4129 * src/scan-code.l (handle_action_dollar): Update.
4130 (translate_rule_action): Remove, no longer used.
4131 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
4133 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4135 Use the new code_props interface in parse-gram.y.
4136 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
4137 Update all uses of translate_* functions to use the new code_props
4138 interface and to use gram_scanner_last_string_free and
4139 code_scanner_last_string_free where possible.
4140 (grammar_declaration): symbol_list_destructor_set and
4141 symbol_list_printer_set now perform the translation, so don't do it
4142 here. Use gram_scanner_last_string_free where possible.
4143 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
4144 translate_code): Remove, no longer used.
4145 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
4146 symbol_list_printer_set): Perform code translation here rather than
4147 depending on the caller to do so.
4149 * src/symlist.h (struct symbol_list): Correct some documentation typos.
4150 * src/scan-gram.h (gram_last_string): Remove declaration.
4151 * src/scan-gram.l (last_string): Declare it static.
4153 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4155 Encapsulate code properties and related functionality for the various
4156 destructors, printers, and actions into a code_props structure and
4157 interface. This patch merely implements code_props in scan-code.h and
4158 scan-code.l. Future patches will rewrite other modules to use it.
4159 Discussed starting at
4160 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
4161 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
4162 consistently initialize const structs that have an empty location
4164 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
4165 to ensure consistency.
4166 * src/scan-code.h (code_props): New structure.
4167 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
4168 function, macro, and const global variable for initializing a
4169 code_props with no code.
4170 (code_props_plain_init, code_props_symbol_action_init,
4171 code_props_rule_action_init, code_props_translate_code): The rest of
4172 the new code_props functional interface. Among other things, the init
4173 functions set the code_props kind field so that
4174 code_props_translate_code will know whether to behave like
4175 translate_symbol_action, translate_rule_action, or translate_code.
4176 These old translate functions must remain until all other modules are
4177 updated to use the new code_props interface.
4178 (code_scanner_last_string_free): New function similar to
4179 gram_scanner_last_string_free.
4180 (code_scanner_free): Add documentation.
4181 * src/scan-code.l: Implement the new interface.
4182 (code_lex): Make it static, add a code_props* argument, and remove the
4184 (last_string): New static global similar to the one in scan-gram.l.
4185 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
4187 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
4188 code_props since Bison may one day use this information for destructors
4190 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
4191 (handle_action_dollar): Use symbol_list_n_get and set used flag
4192 directly since symbol_list_n_used_set is removed.
4193 (translate_action): Add a code_props* argument and remove the rule,
4194 action, and location arguments. Pass the code_props* on to code_lex.
4195 (translate_rule_action, translate_symbol_action, translate_code):
4196 Rewrite as wrappers around the new code_props interface.
4197 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
4198 it would eventually need to break the encapsulation of code_props.
4200 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4202 * etc/.cvsignore: New.
4204 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4206 Add maintainer-push-check to run maintainer-check using push parsing in
4207 place of pull parsing where available.
4208 * Makefile.am (maintainer-push-check): New.
4209 * data/bison.m4 (b4_use_push_for_pull_if): New.
4210 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
4211 appropriately based on their existing values.
4212 (yypush_parse): Don't print push-parser-specific diagnostics if push
4213 parsing is being used in place of pull parsing.
4214 * data/yacc.c: If push parsing should replace pull parsing, redirect to
4216 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
4217 variable, and insert b4_use_push_for_pull_flag into muscles.
4218 * tests/Makefile.am (maintainer-push-check): New.
4220 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4222 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
4223 (whether successful or failed) so that yypush_parse can be invoked
4224 again to start a new parse using the same yypstate.
4225 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
4226 check multiple yypull_parse invocations on the same yypstate. For pull
4227 mode, extend to check multiple yyparse invocations.
4228 (Exploding the Stack Size with Alloca): Extend to try with
4230 (Exploding the Stack Size with Malloc): Likewise.
4232 * tests/calc.at (Simple LALR Calculator): Don't specify
4233 %skeleton "push.c" since %push-pull-parser implies that now.
4234 * tests/headers.at (export YYLTYPE): Don't check for the push
4235 declarations. Otherwise, this test case can't be used to see if push
4236 mode can truly emulate pull mode.
4237 * tests/input.at (Torturing the Scanner): Likewise.
4238 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
4239 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
4240 AT_YACC_IF, which now includes the case of push mode since %skeleton
4241 need not be used for push mode. This will be more intuitive once
4242 push.c is renamed to yacc.c.
4244 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4246 For push mode, convert yyparse from a macro to a function, invoke yylex
4247 instead of passing a yylexp argument to yypull_parse, and don't
4248 generate yypull_parse or yyparse unless %push-pull-parser is declared.
4249 Discussed starting at
4250 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
4251 * data/bison.m4 (b4_pull_if): New.
4252 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
4253 * data/push.c: Improve M4 quoting a little.
4254 (b4_generate_macro_args, b4_parenthesize): Remove.
4255 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
4256 any time a pull parser is requested.
4257 Don't #define this as a wrapper around yypull_parse. Instead, when
4258 both push and pull are requested, make it a function that does that
4260 (yypull_parse): If there's a b4_prefix, #define this to
4261 b4_prefix[pull_parse] when both push and pull are requested.
4262 Don't define this as a function unless both push and pull are
4264 Remove the yylexp argument and hard-code yylex invocation instead.
4265 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
4267 * src/getargs.c (pull_parser): New global initialized to true.
4268 * getargs.h (pull_parser): extern it.
4269 * src/output.c (prepare): Insert pull_flag muscle.
4270 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
4271 (prologue_declaration): Set both push_parser and pull_parser = true for
4272 %push-pull-parser. Set push_parser = true and pull_parser = false for
4274 * src/scan-gram.l: Don't accept %push_parser as an alternative to
4275 %push-parser since there's no backward-compatibility concern here.
4276 Scan %push-pull-parser.
4277 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
4278 instead of %push-parser.
4279 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
4280 prototype it in the module that calls yyparse.
4281 * tests/input.at (Torturing the Scanner): Likewise.
4282 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
4284 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
4286 Update etc/bench.pl. Optimize push mode a little (the yyn change
4287 deserves most of the credit).
4288 * Makefile.am (SUBDIRS): Add etc subdirectory.
4289 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
4290 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
4291 yytoken, yyval, and yyloc declarations to...
4292 (yyparse or yypush_parse): ... here to improve performance. For
4293 yypush_parse invocations after the first, be sure to assign yyn its old
4295 (yypstate_new): Don't bother initializing the yyresult field since the
4296 initial value isn't used.
4297 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
4298 remove the #define that, in push mode, set it to yyps->NAME.
4299 * etc/Makefile.am: New.
4300 * etc/bench.pl: Remove and build it instead from...
4301 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
4302 "tests/bison" from the build directory by default rather than just
4303 invoking "bison" from $PATH.
4304 (calc_grammar): Update push parser code: don't declare yylval globally,
4305 don't define yyparse_wrapper, and don't #define yyparse.
4306 (bench_grammar): Update to check all working combinations of yacc.c,
4307 push.c, impure, pure, pull, and push.
4309 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4311 For push mode, add pull wrappers around yypush_parse.
4312 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
4313 (yypull_parse): New function wrapping yypush_parse.
4314 (yyparse): New #define wrapping yypull_parse.
4315 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
4317 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
4318 prototype yylex in the module that calls yyparse, and don't prototype
4319 yyparse there. Otherwise, the yyparse expansion won't compile.
4320 * tests/input.at (Torturing the Scanner): Likewise.
4322 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4324 Enable push parsers to operate in impure mode. Thus, %push-parser no
4325 longer implies %pure-parser. The point of this change is to move
4326 towards being able to test the push parser code by running the entire
4327 test suite as if %push-parser had been declared.
4328 * data/push.c (yypush_parse): For impure mode, remove the
4329 yypushed_char, yypushed_val, and yypushed_loc arguments.
4330 Instead, declare these as local variables initialized to the global
4331 yychar, yylval, and yylloc.
4332 For the first yypush_parse invocation only, restore the initial values
4333 of these global variables when it's time to read a token since they
4334 have been overwritten.
4335 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
4337 * tests/calc.at (Simple LALR(1) Calculator): Always declare
4338 %pure-parser along with %push-parser since this test case was designed
4339 for pure push parsers.
4340 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
4341 (AT_YACC_OR_PUSH_IF): New.
4342 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
4343 add a note that it's still wrong for some cases (as it has been for a
4345 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
4346 %push-parser no longer implies %pure-parser.
4348 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4350 Remove some unnecessary differences between the pull parser code and
4351 the push parser code. This patch enables yynerrs in push mode.
4352 * data/push.c: Reformat M4 a little.
4353 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
4354 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
4355 because push mode is on. Instead, if pure mode is on, move yynerrs
4357 (b4_declare_parser_state_variables): ... here.
4358 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
4359 to yyps->NAME so it can be used in yypush_parse.
4360 (yypush_parse): Don't omit uses of yynerrs in push mode.
4362 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4364 Fix bug such that the first pushed token's value and location are
4365 sometimes overwritten (sometimes by %initial-action) before being used.
4366 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
4367 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
4368 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
4369 more closely mimic the pull parser logic.
4370 Don't copy the pushed token to yychar, yylval, and yylloc until it's
4371 time to read a token, which is after any initialization of yylval and
4373 (gottoken): Rename label to...
4374 (yyread_pushed_token): ... for clarity and to avoid infringing on the
4377 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4379 Rearrange initialization of the parser state variables so that the
4380 skeleton doesn't have to have a copy for pull mode and another for push
4381 mode. This patch also fixes at least a bug such that yylloc was not
4382 initialized (with b4_location_initial_line and
4383 b4_location_initial_column) upon calling yypush_parse. However, that
4384 initialization now overwrites the first token's location;
4385 %initial-action assigning @$ already did the same thing, and both bugs
4386 will be fixed in a later patch.
4387 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
4388 (b4_declare_parser_state_variables): Remove initialization of yytoken,
4389 yyss, yyvs, yyls, and yystacksize.
4390 (yypstate_new): Remove initialization of some yypstate fields: yystate,
4391 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
4393 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
4394 yyps->NAME so it can be used in yypush_parse.
4395 (yyparse or yypush_parse): For yypush_parse, don't print the
4396 "Starting parse" diagnostic for invocations after the first.
4397 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
4398 yypush_parse, only do it for the first invocation.
4399 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
4400 initialization to occur in yypush_parse but only on the first
4403 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4405 * data/push.c: Add CPP guards around push parser declarations in both
4406 the header and the code file.
4407 In the code file, move the push parser declarations to the same place
4408 they appear in the header file.
4409 Clean up the M4 some, especially the inconsistent underquoting in
4410 some b4_c_function_def and b4_c_function_decl uses.
4412 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4414 Encapsulate the push parser state variables into an M4 macro so the
4415 push skeleton doesn't have to list them again for pull mode's yyparse.
4416 For push mode, remove yypush_parse's local equivalents of these
4417 variables to eliminate unnecessary copying between the two sets at
4418 run-time. This patch also fixes at least a bug related to multiple
4419 %initial-action invocations in push mode.
4420 * data/push.c (b4_declare_parser_variables): Rename to...
4421 (b4_declare_scanner_communication_variables): ... this for clarity and
4423 (b4_declare_yyparse_variables): Remove and move its contents to the one
4424 spot where it was invoked.
4425 (b4_declare_parser_state_variables): New macro containing the parser
4426 state variables required by push mode.
4427 (struct yypstate): Replace all fields but yynew with
4428 b4_declare_parser_state_variables.
4429 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
4430 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
4431 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
4432 (yyparse or yypush_parse): For yyparse in pull mode, replace local
4433 parser state variable declarations with
4434 b4_declare_parser_state_variables.
4435 Don't initialize parser state variables when calling yypush_parse since
4436 yypstate_new already does that.
4437 Invoke the user's initial action only upon the first yypush_parse
4439 Remove all code that copies between the local parser state variables
4442 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4444 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
4445 prevent a name collision in a future patch where these names will
4446 sometimes be #define'd.
4447 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
4448 since it no longer has the same name as the existing argument.
4449 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
4451 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
4452 and Joel E. Denny <jdenny@ces.clemson.edu>
4454 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
4455 that the argument is case-insensitive, and there's no `=' here.
4456 For the %skeleton entry, mention that %language is better.
4457 (Bison Options): Likewise for --language and --skeleton. Move the
4458 --skeleton entry so that the `Tuning the parser' section is sorted
4459 alphabetically on long options.
4460 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
4461 %language directive in detail here; cross-reference the %language
4462 documentation instead.
4463 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
4464 `%require "2.3b"' so that the example is always up-to-date.
4465 (Table of Symbols): Add entries for %language and %skeleton.
4466 * examples/extexi (normalize): Instead of replacing every %require
4467 argument with the current Bison version, just substitute for
4468 `@value{VERSION}'. This guarantees that we're testing what actually
4469 appears in the documentation.
4470 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
4471 rather than `@VERSION@'.
4473 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4475 * NEWS: Reword the %language news a bit, and put it earlier.
4477 * src/getargs.c (skeleton_arg): Last arg is now location const *.
4478 Rewrite to simplify the logic.
4479 (language_argmatch): Likewise.
4480 (program_name): We now own this var.
4481 * src/getargs.h (struct bison_language): Use char[] rather than
4484 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
4486 * src/complain.c (program_name): Remove decl; no longer needed.
4487 * src/main.c (program_name): Remove; now belongs to getargs.
4489 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
4491 * NEWS: Document %language.
4493 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
4495 * data/c-skel.m4, data/c++-skel.m4: New files.
4496 * data/glr.c: Complain on push parsers.
4498 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
4500 (Decl Summary): Document %language and %skeleton.
4501 (Command line): Document -L.
4503 * examples/extexi: Rewrite %require directive.
4504 * examples/calc++/Makefile.am: Pass VERSION to extexi.
4506 * src/files.c (compute_exts_from_gc): Look in language structure
4508 (compute_file_name_parts): Check whether .tab should be added.
4509 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
4510 (language, skeleton_arg, language_argmatch): New.
4511 (long_options): Add --language.
4512 (getargs): Use skeleton_arg, add -L/--language.
4513 * src/getargs.h: Include location.h.
4514 (struct bison_language, language, skeleton_arg, language_argmatch): New.
4515 * src/output.c (prepare): Pick default skeleton from struct language.
4516 Don't dispatch C skeletons here.
4517 * src/parse-gram.y (PERCENT_LANGUAGE): New.
4518 (prologue_declaration): Add "%language" rule, use skeleton_arg.
4519 * src/scan-gram.l ("%language"): New rule.
4521 * tests/calc.at: Test %skeleton and %language.
4522 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
4523 (AT_GLR_IF): Look for %skeleton "glr.cc".
4524 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
4525 (AT_YACC_IF): Reject %language.
4527 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4529 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
4530 since it wasn't used; only the typedef name 'semantic_type' is needed.
4531 Also, omit trailing white space.
4533 * bootstrap: Sync from coreutils.
4534 (gnulib_extra_files): Add build-aux/announce.gen.
4535 (slurp): Adjust .gitignore files like .cvsignore files.
4536 * build-aux/announce-gen: Remove from CVS, since bootstrap
4539 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
4541 Make %push-parser imply %pure-parser. This fixes several bugs; see
4542 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
4543 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
4545 * data/push.c: Don't bother testing b4_push_if when deciding whether
4546 to expand b4_declare_parser_variables globally.
4547 (yypush_parse): Likewise in here.
4549 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
4550 (yy_reduce_print): Reformat M4 for readability.
4552 2006-12-15 Bob Rossi <bob@brasko.net>
4553 and Joel Denny <jdenny@ces.clemson.edu>
4555 * data/push.c (yypstate): Add typedef, and update all uses of
4556 struct yypstate to just yypstate.
4557 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
4559 2006-12-14 Bob Rossi <bob@brasko.net>
4561 * data/push.c (yypush_parse): Declare prototype regardless of
4564 2006-12-14 Bob Rossi <bob@brasko.net>
4566 * data/push.c (yyparse): Remove the prototype and the #define when in
4569 2006-12-13 Bob Rossi <bob@brasko.net>
4571 * data/push.c (yypstate_init): Rename to...
4572 (yypstate_new): ... this and use b4_c_function_def.
4573 (yypstate_delete): New.
4574 (yypush_parse): Change parameters yynval and yynlloc to be const.
4575 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
4576 yypstate_delete functions.
4578 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
4580 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
4581 strange test case titles. Reported by Bob Rossi.
4583 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
4585 * TODO: Add pointer to Sylvain Schmitz's work on static detection
4586 of potential ambiguities in GLR grammers.
4588 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
4590 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
4591 `bison ', use m4_index instead of m4_substr since chopping up a string
4592 containing M4-special characters causes problems here.
4594 Fix a couple of bugs related to special characters in user-specified
4595 file names, and make it easier for skeletons to compute output file
4596 names with the same file name prefix as Bison-computed output file
4598 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
4599 b4_parser_file_name and b4_spec_defines_file instead of
4600 @output_parser_name@ and @output_header_name@, which are now redundant.
4601 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
4602 b4_parser_file_name, b4_spec_defines_file, and the new
4603 @basename(FILENAME@) instead of @output_parser_name@ and
4604 @output_header_name@, which inappropriately escaped the file names as
4606 * src/files.c (all_but_ext): Remove static qualifier.
4607 (compute_output_file_names): Move `free (all_but_ext)' to...
4608 (output_file_names_free): ... here since all_but_ext is needed later.
4609 * src/files.h (all_but_ext): Extern.
4610 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
4611 exactly what MUSCLE_INSERT_STRING used to do.
4612 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
4613 characters are escaped properly.
4614 * src/output.c (prepare): Define muscle file_name_all_but_ext as
4616 For pkgdatadir muscle, maintain previous functionality by using
4617 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
4618 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
4619 digraphs would never be expanded. Hopefully no one has M4-special
4620 characters in his Bison installation path.
4621 * src/scan-skel.l: Don't parse @output_header_name@ and
4622 @output_parser_name@ anymore since they're now redundant.
4623 In @output, use decode_at_digraphs.
4624 Parse a new @basename command that invokes last_component.
4625 (decode_at_digraphs): New.
4626 (BASE_QPUTS): Remove unused.
4627 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
4628 (Output file name): New tests.
4630 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
4632 Warn about output files that are generated by the skeletons and that
4633 conflict with other output files.
4634 * data/glr.c: Don't generate the header file here when glr.cc does.
4635 * src/files.c (file_names, file_names_count): New static globals.
4636 (compute_output_file_names): Invoke output_file_name_check for files
4637 not generated by the skeletons and remove existing checks.
4638 (output_file_name_check): New function that warns about conflicting
4640 (output_file_names_free): Free file_names.
4641 * src/files.h (output_file_name_check): Declare.
4642 * src/scan-skel.l: Invoke output_file_name_check for files generated by
4644 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
4645 (Conflicting output files): New tests.
4647 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4649 * doc/bison.texinfo: Fix a couple of typos.
4651 2006-12-08 Bob Rossi <bob@brasko.net>
4653 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
4655 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
4657 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
4658 (yypush_parse): Rename yypvars argument to yyps and remove redundant
4660 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
4661 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
4663 2006-12-07 Bob Rossi <bob@brasko.net>
4664 and Joel Denny <jdenny@ces.clemson.edu>
4666 * data/push.c (yypvarsinit): Change return type from void* to struct
4667 yypvars*. No longer cast to void* on return.
4668 (struct yypvars): Remove yylen since it need not be remembered between
4669 yypushparse invocations.
4670 (yypushparse): Don't copy between yylen and pv->yylen.
4672 2006-12-05 Bob Rossi <bob@brasko.net>
4674 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
4675 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
4676 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
4677 (struct yypvars): Remove b4_declare_parser_variables.
4678 (yypvarsinit): Remove init code for removed variables.
4679 (global scope): Do not declare b4_declare_parser_variables if
4681 (yypushparse): Add b4_declare_parser_variables.
4682 Init new local variables, and remove init code for removed
4685 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
4686 and yyparse for other modes.
4687 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
4688 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
4689 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
4690 (AT_PURE_LEX_IF): True if pure or push parser.
4692 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
4694 Document Yacc prologue alternatives and default %destructor's and
4695 %printer's as experimental. Don't mention Java yet. Discussed at
4696 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
4697 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
4698 (2.3a): Annotate this entry to say the old forms of these features were
4700 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
4701 Table of Symbols): Say they're experimental. Comment out any mention
4702 of Java (we'll want this back eventually).
4704 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
4706 Support a file name argument to %defines. Deprecate `=' in
4707 %file-prefix, %name-prefix, and %output. Discussed at
4708 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
4709 * NEWS (2.3a+): Mention.
4710 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
4711 form of %defines, and remove `=' from entries for %file-prefix,
4712 %name-prefix, and %output.
4713 * src/parse-gram.y (prologue_declaration): Implement.
4714 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
4715 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
4716 all but one occurrence of %name-prefix.
4717 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
4718 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
4719 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
4720 occurrence of each of %file-prefix and %output. Add check for %defines
4722 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
4723 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
4724 Remove the `=' from %output.
4726 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
4728 Don't escape $ in test case titles since Autoconf 2.61 now does that
4730 * tests/actions.at (Default %printer and %destructor are not for error
4731 or $undefined): Here.
4732 (Default %printer and %destructor are not for $accept): Here.
4733 * tests/input.at (Invalid $n and @n): Here.
4735 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
4737 Rename <!> to <>. Discussed starting at
4738 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
4739 * NEWS (2.3a+): Update.
4740 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
4742 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
4743 * src/scan-gram.l (INITIAL): Implement.
4744 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
4745 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
4747 * tests/actions.at (Default tagless %printer and %destructor,
4748 Default tagged and per-type %printer and %destructor,
4749 Default %printer and %destructor are not for error or $undefined,
4750 Default %printer and %destructor are not for $accept,
4751 Default %printer and %destructor for mid-rule values): Update.
4752 * tests/input.at (Default %printer and %destructor redeclared,
4753 Unused values with default %destructor): Update.
4755 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
4757 Don't let %prec take a nonterminal.
4758 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
4760 * tests/input.at (%prec takes a token): New test checking that %prec
4761 won't take a nonterminal.
4763 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
4765 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
4766 it was double-quoted.
4767 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
4768 grammar is maintained with Bison's highest standards.
4769 * src/getargs.c: Fix some typos in Doxygen comments.
4771 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
4773 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
4774 later. Reported by Paul Eggert in
4775 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
4776 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
4777 * src/scan-code.l (translate_action): Don't bother invoking
4778 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
4779 (code_scanner_free): Instead of invoking
4780 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
4782 * src/scan-gram.l (gram_scanner_free): Likewise.
4783 * src/scan-skel.l (scan_skel): Likewise.
4785 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
4787 * src/files.c (tr): Change return type to void.
4788 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
4789 has been called previously for the same key.
4790 (muscle_find): Return storage instead of value so that
4791 --enable-gcc-warnings doesn't produce warnings that the return discards
4792 const. aver that the value and storage are the same since storage
4793 could potentially be NULL when value is not.
4794 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
4797 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
4799 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
4800 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
4801 us a slightly cleaner distribution, and also works.
4802 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
4805 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
4806 and Paul Eggert <eggert@cs.ucla.edu>
4808 Don't let Bison leak memory except when it complains.
4809 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
4810 (spec_defines_file, dir_prefix): Now char *, not const char *,
4811 since they are freed.
4812 * src/files.c: Likewise.
4813 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
4815 (tr): Now operates in-place. All uses changed.
4816 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
4818 (compute_file_name_parts, compute_output_file_names): Don't store
4819 read-only data in variables that will be freed.
4820 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
4821 src_extension, and header_extension.
4822 (output_file_names_free): New public function to free
4823 spec_verbose_file, spec_graph_file, spec_defines_file,
4824 parser_file_name, and dir_prefix.
4825 * src/getargs.c (getargs): Don't store read-only data in variables that
4827 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
4828 (which previously existed but was unused), and quotearg_free.
4829 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
4830 * src/muscle_tab.c: Likewise.
4831 (muscle_entry): Make the value char const *,
4832 and add a new storage member that is char * and can be freed.
4833 (muscle_entry_free): New private function.
4834 (muscle_init): Use it instead of free.
4835 (muscle_insert, muscle_grow): Update and use new storage member.
4836 (muscle_code_grow): Free the string passed to muscle_grow
4837 since it's not needed anymore.
4838 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
4839 add a new `char *code' member.
4840 ("{...}"): Declare semantic type as code.
4841 * src/scan-code.h (translate_rule_action):
4842 (translate_symbol_action, translate_code, translate_action): Return
4843 `char const *' rather than `char *' since external code should not free
4845 * src/scan-code.l: Likewise.
4846 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
4847 which is "{...}" in the parser.
4848 * tests/Makefile.am (maintainer-check-valgrind): Set
4849 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
4851 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
4853 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
4854 expecting a non-zero exit status sets --leak-check=summary and
4855 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
4856 this case, and we don't want to hear about it.
4858 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
4860 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
4861 instead of from the template, to simplify configuration a bit.
4862 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
4863 and m4/wint_t.m4, as they are needed with the latest gnulib.
4865 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
4867 Disable unset/unused mid-rule value warnings by default, and recognize
4868 --warnings=midrule-values to enable them. Discussed starting at
4869 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
4870 * NEWS (2.3a+): Mention.
4871 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
4872 warnings): Add entry for midrule-values subargument.
4873 * src/reader.c (symbol_should_be_used): Don't return true just because
4874 the value is a set/used mid-rule value unless
4875 --warnings=midrule-values was specified.
4876 * tests/input.at (Unused values, Unused values before symbol
4877 declarations): Run tests with and without --warnings=midrule-values.
4879 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
4880 than LIST_FREE directly.
4882 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
4884 Finish implementing --warnings=error, which should not be implied by
4885 --warnings=all (or by its synonyms -W and --warnings without
4887 * src/complain.c (set_warning_issued): New function to report that
4888 warnings are being treated as errors and to record an error if so.
4890 (warn_at, warn): ... here.
4891 * src/getargs.c (warnings_args, warnings_types): Reorder so that
4892 "error - warnings are errors" does not appear above "all - all of the
4894 (getargs): For -W and --warnings without subarguments, don't let
4895 FLAGS_ARGMATCH set warnings_error in warnings_flag.
4896 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
4898 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
4900 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
4901 empty subargument list. For example: `bison --warnings= parser.y'.
4903 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
4905 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
4906 the parser header file so that gcc doesn't warn.
4908 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
4910 Split the default %destructor/%printer into two kinds: <*> and <!>.
4911 Discussed starting at
4912 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
4913 * NEWS (2.3a+): Mention.
4914 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
4915 previous change today related to mid-rules.
4916 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
4917 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
4918 (TYPE_TAG_ANY): Add as <*>.
4919 (TYPE_TAG_NONE): Add as <!>.
4920 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
4922 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
4923 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
4924 * src/symlist.c (symbol_list_default_new): Split into tagged and
4926 (symbol_list_destructor_set, symbol_list_printer_set): Split
4927 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
4928 SYMLIST_DEFAULT_TAGLESS.
4929 * src/symlist.h: Update symbol_list_default*_new prototypes.
4930 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
4931 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
4932 * src/symtab.c (default_destructor, default_destructor_location,
4933 default_printer, default_printer_location): Split each into tagged and
4935 (symbol_destructor_get, symbol_destructor_location_get,
4936 symbol_printer_get, symbol_printer_location_get): Implement tagged
4937 default and tagless default cases.
4938 (default_destructor_set, default_printer_set): Split each into tagged
4939 and tagless versions.
4940 * src/symtab.h: Update prototypes.
4941 * tests/actions.at (Default %printer and %destructor): Rename to...
4942 (Default tagless %printer and %destructor): ... this, and extend.
4943 (Per-type %printer and %destructor): Rename to...
4944 (Default tagged and per-type %printer and %destructor): ... this, and
4946 (Default %printer and %destructor for user-defined end token): Extend.
4947 (Default %printer and %destructor are not for error or $undefined):
4949 (Default %printer and %destructor are not for $accept): Update.
4950 (Default %printer and %destructor for mid-rule values): Extend.
4951 * tests/input.at (Default %printer and %destructor redeclared): Extend.
4952 (Unused values with default %destructor): Extend.
4954 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
4956 Don't apply the default %destructor/%printer to an unreferenced midrule
4958 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
4959 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
4960 like $@n instead of just @n so that the default %destructor/%printer
4961 logic doesn't see them as user-defined symbols.
4962 (symbol_is_dummy): Check for both forms of the name.
4963 * src/reader.c (packgram): Remove the `$' from each midrule symbol
4964 name for which the midrule value is referenced in any action.
4965 * tests/actions.at (Default %printer and %destructor for mid-rule
4967 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
4968 for change to dummy symbol names.
4970 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
4972 Warn about unset midrule $$ if the corresponding $n is used.
4973 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
4975 (packgram): Before invoking grammar_rule_check on any rule, make sure
4976 all actions have already been scanned in order to set `used' flags.
4977 Otherwise, checking that a midrule's $$ is set will not always work
4978 properly because the midrule check must forward-reference the midrule's
4980 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
4983 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
4985 More improvements to the documentation of the prologue alternatives:
4986 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
4988 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
4989 some text to clarify the relative importance of the new directives and
4990 to show how these directives may be viewed as code labels.
4992 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
4994 Similar to the recently removed %before-header, add %code-top as the
4995 alternative to the pre-prologue. Mentioned at
4996 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
4997 Also, let the prologue alternatives appear in the grammar section.
4998 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
4999 (prologue_declaration): Move the existing prologue alternatives to...
5000 (grammar_declaration): ... here and add %code-top.
5001 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
5003 Clean up and extend documentation for the prologue alternatives.
5004 * NEWS (2.3a+): Describe prologue alternatives.
5005 * doc/bison.texinfo (Prologue): Move discussion of prologue
5007 (Prologue Alternatives): ... this new section, and extend it to discuss
5008 all 4 directives in detail.
5009 (Table of Symbols): Clean up discussion of prologue alternatives and
5012 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5014 DJGPP specific issues.
5016 * djgpp/config.bat: config.hin has been moved to lib. Adjust
5017 config.bat accordingly.
5018 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
5019 * djgpp/config.site: Likewise.
5021 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
5023 Replace %*-header with %provides, %requires, %code. See discussion at
5024 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
5026 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
5027 (b4_user_start_header): Remove.
5028 * data/glr.c: Use new macros instead of b4_*start_header
5030 * data/glr.cc: Likewise.
5031 * data/lalr1.cc: Likewise.
5032 * data/push.c: Likewise.
5033 * data/yacc.c: Likewise.
5035 * doc/bison.texinfo: Remove %before-header, rename
5036 %{start,end,after}-header to %requires, %provides, %code.
5038 * src/parse-gram.y: Likewise (also rename token names accordingly).
5039 * src/scan-gram.l: Likewise.
5040 * tests/actions.at: Likewise.
5042 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
5044 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
5045 Problem reported by Joel E. Denny.
5047 2006-10-14 Jim Meyering <jim@meyering.net>
5049 (Sync from coreutils.)
5050 Work also when the working directory (with e.g. coreutils sources)
5051 is version controlled with git, rather than CVS.
5052 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
5054 In messages and comments, say e.g., "checked-out sources",
5055 rather than "CVS sources".
5056 (version_controlled_file): New function. Work for git as well as
5057 for CVS. Don't use grep's -q option.
5058 (slurp): Call it here, in place of CVS-specific code.
5060 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
5062 Fix testsuite for ./configure --enable-gcc-warnings:
5063 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
5064 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
5065 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
5066 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
5067 * test/regression.at (Diagnostic that expects two alternatives):
5070 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5072 * bootstrap.conf (gnulib_modules): Add config-h.
5073 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
5074 worry about HAVE_CONFIG_H.
5075 * lib/abitset.c: Likewise.
5076 * lib/bitset.c: Likewise.
5077 * lib/bitset_stats.c: Likewise.
5078 * lib/bitsetv-print.c: Likewise.
5079 * lib/bitsetv.c: Likewise.
5080 * lib/ebitset.c: Likewise.
5081 * lib/get-errno.c: Likewise.
5082 * lib/lbitset.c: Likewise.
5083 * lib/subpipe.c: Likewise.
5084 * lib/timevar.c: Likewise.
5085 * lib/vbitset.c: Likewise.
5086 * lib/bitset.c: Include "bitset.h" first, to test interface.
5087 * lib/bitset_stats.c: Include "bitset_stats.h" first.
5088 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
5089 * lib/bitsetv.c: Include "bitsetv.h" first.
5090 * lib/get-errno.c: Include "get-errno.h" first.
5091 * m4/.cvsignore: Add config-h.m4.
5092 * tests/actions.at (Default %printer and %destructor for ...):
5093 Adjust expected line numbers in output to reflect removal of #if
5094 HAVE_CONFIG_H lines.
5095 * tests/glr-regression.at (Missed %merge type warnings when ...):
5097 * tests/regression.at (Braced code in declaration in rules section):
5099 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
5100 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
5101 Include <config.h> unconditionally.
5103 * bootstrap: Sync from coreutils, as follows:
5105 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5107 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
5108 variable was sometimes used without being initialized. This
5109 messed up the installation of the INSTALL file in some cases.
5111 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5113 * bootstrap (usage, main program, symlink_to_gnulib): Add option
5114 --copy. Inspired by a suggestion from Bruno Haible.
5116 2006-10-03 Jim Meyering <jim@meyering.net>
5118 * bootstrap: Undo last change to this file, since now gnulib-tool
5119 sticks with the automake default in generating dependencies.
5121 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5123 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
5124 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
5126 * doc/bison.1: Add copyright notice.
5128 * data/glr.c: Don't include <stdarg.h>; not used.
5130 * NEWS: The -g and --graph options now output graphs in Graphviz
5131 DOT format, not VCG format.
5132 * doc/bison.1: Likewise.
5133 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
5134 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
5136 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
5137 * TODO: Remove Graphviz entry.
5138 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
5139 remove vcg.c, vcg.h, vcg_defaults.h.
5140 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
5141 * src/graphviz.c, src/graphviz.h: New files.
5142 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
5143 * src/files.h: Make comment more generic.
5144 * src/main.c (main): Likewise.
5145 * src/print_graph.h: Likewise.
5146 * src/getargs.c (usage): Make usage description more generic.
5147 * src/print_graph.c: Include graphviz.h rather than vcg.h.
5148 (static_graph, fgraph): Remove. All uses changed to pass
5149 arguments instead of sharing a static var.
5150 (print_core, print_actions, print_state, print_graph):
5151 Output graphviz format rather than VCG format.
5152 * tests/.cvsignore: Remove *.vcg; add *.dot.
5153 * tests/output.at: Expect *.dot files, not *.vcg files.
5155 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
5156 accommodates the 2006-10-08 change.
5158 2006-10-11 Bob Rossi <bob@brasko.net>
5160 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
5161 (b4_yyssa, b4_yyerror_range): New macros.
5162 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
5163 (yypvarsinit): Remove init of removed fields.
5164 (yypushparse): Remove use of removed fields; use new macros instead.
5166 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5168 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
5169 in a push parser. Reindent slightly to match yacc.c better.
5171 2006-10-11 Bob Rossi <bob@brasko.net>
5173 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
5175 (yypvarsinit, yypushparse): Remove init of removed fields.
5176 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
5178 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5180 * THANKS: Add Paolo Bonzini and Bob Rossi.
5182 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
5184 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
5185 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
5186 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
5187 b4_define_user_cde and uses): Remove.
5188 (b4_comment, b4_prefix, b4_sync_start): New.
5189 * data/bison.m4: New file, with most of the content removed from c.m4.
5190 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
5191 * src/output.c (output_skeleton): Pass bison.m4.
5192 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
5195 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
5197 Fix test failure reported by Tom Lane in
5198 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
5199 and try to make such failures easier to catch in the future.
5200 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
5201 that's now the caller's responsibility.
5202 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
5203 Set yychar = YYEOF if it's negative.
5204 * tests/actions.at (yylex): Abort if asked to read past EOF.
5205 * tests/conflicts.at (yylex): Likewise.
5206 * tests/cxx-type.at (yylex): Likewise.
5207 * tests/glr-regression.at (yylex): Likewise.
5208 * tests/input.at (yylex): Likewise.
5209 * tests/regression.at (yylex): Likewise.
5210 * tests/torture.at (yylex): Likewise.
5212 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
5214 Fix problems with translating English-language diagnostics.
5215 * bootstrap: Fix bug introduced in recent bootstrap changes, with
5216 respect to bison-runtime pot generation. The YY_ stuff
5217 wasn't being captured.
5218 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
5219 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
5220 * runtime-po/POTFILES.in: Add data/push.c.
5222 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
5224 Merge bootstrap changes from coreutils.
5226 2006-09-28 Jim Meyering <jim@meyering.net>
5228 Automatically generated dependencies are important even
5229 when all of the sources in a directory come from gnulib.
5230 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
5231 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
5233 2006-09-23 Jim Meyering <jim@meyering.net>
5235 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
5237 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5239 * bootstrap: Add support for --force.
5240 (usage): New function. Describe usage less tersely.
5241 (CVS_only_file): New var.
5243 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
5245 * data/push.c (YYPUSH_MORE): Make it an enum instead.
5246 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
5247 Adjust white space and comments to match GNU style better.
5249 2006-09-20 Bob Rossi <bob@brasko.net>
5251 * data/push.c (yyresult_get): Remove function.
5252 (YYPUSH_MORE): Add #define.
5253 (yypushparse): Modify return value.
5255 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5257 * stamp-h.in: Remove; no longer needed.
5258 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
5259 Remove config.h, config.hin, intl (no longer created).
5260 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
5263 Sync bootstrap from coreutils, as follows:
5265 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
5267 * bootstrap (symlink_to_gnulib): New function.
5268 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
5269 to copies-of-gnulib.
5270 (cp_mark_as_generated, slurp, gnulib_files):
5271 Avoid making a copy if it's the same as the old version.
5272 (gnulib_files): Add support for this variable (used by Bison).
5274 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5276 * src/getargs.c (usage): Rework to use conventions similar to
5277 coreutils, to make translation a bit easier and the code a bit
5278 smaller. Problem reported by Tim Van Holder.
5280 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
5282 Use some of gnulib's new modules, taken from coreutils.
5284 * bootstrap: Sync from coreutils, except add support for gnulib_files.
5285 * bootstrap.conf: New file.
5286 (gnulib_modules): Add configmake, inttypes, unistd.
5287 (XGETTEXT_OPTIONS): Add complain, complain_at,
5288 fatal, fatal_at, warn, warn_at, unexpected_end.
5289 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
5290 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
5292 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
5294 (GNULIB_AUTOCONF_SNIPPET): Remove.
5295 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
5297 * lib/.cvsignore: Add inttypes_.h.
5298 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
5299 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
5300 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
5301 no-longer-necessary initializations.
5302 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
5303 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
5304 use the unistd module.
5305 * src/system.h: Likewise.
5306 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
5307 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
5308 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
5309 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
5310 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
5311 * src/system.h: Include inttypes.h unconditionally, now that we
5312 use the inttypes module. Don't bother to include stdint.h, since
5313 inttypes.h now does that for us.
5314 (LOCALEDIR): Remove, now that we use the configmake module.
5315 * src/getargs.c: Include configmake.h.
5316 * src/main.c: Likewise.
5317 * src/output.c: Likewise.
5318 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
5319 not from $abs_top_builddir, since config.h moved.
5322 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
5323 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
5325 * src/parse-gram.y (symbol_declaration): Don't put statements
5326 before declarations; it's not portable to C89.
5327 * src/scan-code.l (handle_action_at): Likewise.
5329 * src/scan-code.l: Always initialize braces_level; the old code
5330 left it uninitialized and therefore had undefined behavior.
5332 Don't attempt to redefine 'assert', since it runs afoul of
5333 systems where standard headers (mistakenly) include <assert.h>.
5334 Instead, define and use our own alternative, called 'aver'.
5335 * src/reader.c: Don't include assert.h, since we no longer
5337 * src/scan-code.l: Likewise.
5338 * src/system.h (assert): Remove, replacing with....
5339 (aver): New function, taking a bool arg. All uses changed.
5340 * src/tables.c (pack_vector): Ensure that aver arg is bool,
5341 not merely an integer.
5343 2006-09-15 Bob Rossi <bob@brasko.net>
5345 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
5346 * data/c.m4 (YYPUSH): New.
5347 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
5348 * src/getargs.c (push_parser): New var.
5349 * src/getargs.h (push_parser): New declaration.
5350 * src/output.c (prepare): Add macro insertion of `push_flag'.
5351 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
5352 (prologue_declaration): Parse %push-parser.
5353 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
5354 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
5355 list of removed lines from the traces observed.
5356 (AT_CHECK_CALC_LALR): Added push parser tests.
5358 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
5360 * NEWS: Version 2.3a.
5361 * configure.ac (AC_INIT): Likewise.
5363 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
5364 "#define YYSTYPE int" that caused "make maintainer-check" to fail
5365 due to header ordering dependencies. I don't know why the #define
5368 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
5369 runtime cost when YYDEBUG is not defined, and so that some tests
5370 that used to fail now work. Problem and initial suggestion by
5372 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
5373 * data/glr.cc (b4_parser_class_name):
5374 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
5375 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
5376 (yydebug_) [YYDEBUG]: New member.
5377 (yycdebug_): Now defined only if YYDEBUG.
5378 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
5379 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
5380 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
5382 (debug_stream, set_debug_stream, debug_level, set_debug_level):
5383 Define only if YYDEBUG.
5384 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
5386 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
5387 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
5388 AT_CHECK_CALC_GLR_CC that are working now.
5390 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
5392 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
5393 We don't need them in glr.cc, and glr.c defines them.
5394 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
5395 assumes that defining it to anything is the same as defining
5396 it to 1. Problem reported by Paolo Bonzini.
5398 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
5400 * data/c.m4 (b4_null, b4_case): Define.
5401 * src/output.c (prepare_symbols): Use b4_null.
5402 (user_actions_output): Use b4_case.
5404 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
5406 * data/glr.c (b4_shared_declarations): Put start-header first,
5407 before any #includes that we generate, so that feature-test
5408 macros work. Problem reported by Michael Deutschmann in
5409 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
5410 * data/lalr1.cc: Likewise.
5411 * doc/bison.texinfo (Prologue): Document that feature-test macros
5412 should be defined before any Bison declarations.
5413 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
5414 that depend on location.hh after, not before, Bison decls, since
5415 we now include location.hh after the first user prologue.
5417 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
5418 Sander Brandenburg in
5419 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
5420 Also, fix minor white space and comment issues.
5421 (Prologue): Mention that it's better to define feature-test macros
5422 before Bison declarations. Problem reported by Michael Deutschmann.
5424 * README-cvs: Fix typo: "&" should be "&&". Problem reported
5426 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
5427 This adjusts to recent gnulib changes.
5429 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5431 Finish implementation of per-type %destructor/%printer. Discussed
5433 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
5435 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
5436 * NEWS (2.3+): Add a description of this feature to the default
5437 %destructor/%printer description.
5438 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
5439 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5440 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
5441 list node contains a semantic type.
5442 * src/symtab.c, src/symtab.h: Extend with a table that associates
5443 semantic types with their %destructor's and %printer's.
5444 (semantic_type_from_uniqstr, semantic_type_get,
5445 semantic_type_destructor_set, semantic_type_printer_set): New functions
5446 composing the public interface of that table.
5447 (symbol_destructor_get, symbol_destructor_location_get,
5448 symbol_printer_get, symbol_printer_location_get): If there's no
5449 per-symbol %destructor/%printer, look up the per-type before trying
5451 * tests/actions.at (Per-type %printer and %destructor): New test case.
5452 * tests/input.at (Default %printer and %destructor redeclared):
5453 Extend to check that multiple occurrences of %symbol-default in a
5454 single %destructor/%printer declaration is an error.
5455 (Per-type %printer and %destructor redeclared, Unused values with
5456 per-type %destructor): New test cases.
5458 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5460 Require default %destructor/%printer to be declared using
5461 %symbol-default instead of an empty symbol list, and start working on
5462 new per-type %destructor/%printer. Discussed at
5463 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
5464 * NEWS (2.3+): Add %symbol-default to example.
5465 * bison.texinfo (Freeing Discarded Symbols): Likewise.
5466 (Table of Symbols): Add entry for %symbol-default.
5467 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
5468 (generic_symlist, generic_symlist_item): New nonterminals for creating
5469 a list in which each item is a symbol, semantic type, or
5471 (grammar_declaration): Use generic_symlist in %destructor and %printer
5472 declarations instead of symbols.1 or an empty list.
5473 (symbol_declaration, precedence_declaration, symbols.1): Update actions
5474 for changes to symbol_list.
5475 * src/reader.c: Update for changes to symbol_list.
5476 * src/scan-code.l: Likewise.
5477 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
5478 * src/symlist.c, src/symlist.h: Extend such that a list node may
5479 represent a semantic type or a %symbol-default in addition to just an
5480 ordinary symbol. Add switched functions for setting %destructor's and
5482 * tests/actions.at, tests/input.at: Add %symbol-default to all default
5483 %destructor/%printer declarations.
5485 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
5487 Whether the default %destructor/%printer applies to a particular symbol
5488 isn't a question of whether the user *declares* that symbol (in %token,
5489 for example). It's a question of whether the user by any means
5490 *defines* the symbol at all (by simply using a char token, for
5491 example). $end is defined by Bison whereas any other token with token
5492 number 0 is defined by the user. The error token is always defined by
5493 Bison regardless of whether the user declares it with %token, but we
5494 may one day let the user define error as a nonterminal instead.
5495 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
5496 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
5497 the meaning of "user-defined".
5498 * tests/actions.at (Default %printer and %destructor for user-declared
5499 end token): Rename to...
5500 (Default %printer and %destructor for user-defined end token): ...
5503 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
5504 computation of whether to apply the default, don't maintain a list of
5505 every Bison-defined symbol. Instead, just check for a first character
5506 of '$', which a user symbol cannot have, and check for the error token.
5508 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
5510 Don't apply the default %destructor or %printer to the error token,
5511 $undefined, or $accept. This change fits the general rule that the
5512 default %destructor and %printer are only for user-declared symbols,
5513 and it solves several difficulties that are described in the new test
5515 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
5516 * tests/actions.at (Default %printer and %destructor are not for error
5517 or $undefined, Default %printer and %destructor are not for $accept):
5520 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
5522 Allow %start after the first rule.
5523 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
5524 when parsing the first rule.
5525 (check_and_convert_grammar): Search for it here after all grammar
5526 declarations have been parsed. Skip midrules, which have dummy LHS
5528 * src/symtab.c (symbol_is_dummy): New function.
5529 * src/symtab.h (symbol_is_dummy): Declare it.
5530 * tests/input.at (%start after first rule): New test.
5532 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
5534 Redo some of the previous commit: add back the ability to use
5535 non-aliased/undeclared string literals since it might be useful to
5536 those declaring %token-table.
5537 * src/reader.c (check_and_convert_grammar): Undo changes in previous
5538 commit: don't worry about complaints from symbols_pack.
5539 * src/symtab.c (symbol_new, symbol_class_set,
5540 symbol_check_alias_consistency): Undo changes in previous commit: count
5541 each string literal as a new symbol and token, assign it a symbol
5542 number, and don't complain about non-aliased string literals.
5543 (symbols_pack): Since symbol_make_alias still does not decrement symbol
5544 and token counts but does still set aliased tokens to the same number,
5545 symbol_pack_processor now leaves empty slots in the symbols array.
5547 * tests/regression.at (Undeclared string literal): Remove test case
5548 added in previous commit since non-aliased string literals are allowed
5550 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
5551 remove unnecessary string literal declarations.
5552 * tests/sets.at (Firsts): Likewise.
5554 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
5556 Don't allow an undeclared string literal, but allow a string literal to
5557 be used before its declaration.
5558 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
5559 symbols_pack complained.
5560 * src/symtab.c (symbol_new): Don't count a string literal as a new
5562 (symbol_class_set): Don't count a string literal as a new token, and
5563 don't assign it a symbol number since symbol_make_alias does that.
5564 (symbol_make_alias): It's not necessary to decrement the symbol and
5565 token counts anymore. Don't assume that an alias declaration occurs
5566 before any uses of the identifier or string, and thus don't assert that
5567 one of them has the highest symbol number so far.
5568 (symbol_check_alias_consistency): Complain if there's a string literal
5569 that wasn't declared as an alias.
5570 (symbols_pack): Bail if symbol_check_alias_consistency failed since
5571 symbol_pack asserts that every token has been assigned a symbol number
5572 although undeclared string literals have not.
5573 * tests/regression.at (String alias declared after use, Undeclared
5574 string literal): New test cases.
5575 (Characters Escapes, Web2c Actions): Declare string literals as
5577 * tests/sets.at (Firsts): Likewise.
5579 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
5581 In the grammar scanner, STRING_FINISH unclosed constructs and return
5582 them to the parser in order to improve error messages.
5583 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
5584 SC_BRACED_CODE, SC_PROLOGUE): Implement.
5585 * tests/input.at (Unclosed constructs): New test case.
5586 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
5589 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
5592 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
5594 Handle string aliases for character tokens correctly.
5595 * src/symtab.c (symbol_user_token_number_set): If the token has an
5596 alias, check and set its alias's user token number instead of its own,
5597 which is set to indicate the alias. Previously, every occurrence of
5598 the character token in the grammar overwrote that alias indicator with
5600 * tests/input.at (String aliases for character tokens): New test.
5602 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
5604 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
5606 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
5608 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
5609 to prevent failures when building on older platforms.
5610 Check for autopoint failure.
5611 Set XGETTEXT_OPTIONS to values that check for C format strings,
5612 so that translators are warned about them (this also helps
5613 prevent core dumps).
5615 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
5616 function, since it simplifies our code a bit.
5618 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
5619 rather than -W, so we don't get bogus warnings about sign comparisons.
5620 Add -Wpointer-arith, since that warning is useful (it reports code
5621 that does not conform to C89 and that some compilers reject).
5622 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
5623 since it's no longer needed.
5625 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
5627 Clean up scanners a bit.
5628 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
5629 definitions so gcc won't warn when obstack_for_string is unused.
5630 * src/scan-code.l: config.h and system.h are already #include'd by
5631 scan-code-c.c, so get rid of them here.
5632 * src/scan-gram.l: Likewise.
5633 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
5634 definitions rather than duplicating the rest of it.
5635 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
5637 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
5639 Suppress signed/unsigned comparison warnings for yycheck.
5640 * data/c.m4 (b4_safest_int_type): New macro.
5641 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
5642 a signed int type, cast it to b4_safest_int_type first.
5643 * data/yacc.c: Likewise.
5644 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
5647 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
5649 * doc/bison.texinfo: Fix some typos.
5651 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
5653 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
5654 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
5656 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
5657 the latest gnulib does this a different way.
5658 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
5659 translation was patched, so stop omitting it.
5661 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
5663 Enable declaration of default %printer/%destructor. Make the parser
5664 use these for all user-declared grammar symbols for which the user does
5665 not declare a specific %printer/%destructor. Thus, the parser uses it
5666 for token 0 if the user declares it but not if Bison generates it as
5667 $end. Discussed starting at
5668 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
5669 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
5671 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
5672 * NEWS (2.3+): Mention.
5673 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
5674 declare a %destructor for a mid-rule's semantic value. It's just
5675 impossible to declare one specific to it.
5676 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
5677 code. Describe default %destructor form.
5678 * src/parse-gram.y (grammar_declaration): Parse default
5679 %printer/%destructor declarations.
5680 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
5681 and symbol_destructor_location_get rather than accessing the destructor
5682 and destructor_location members of struct symbol.
5683 (symbol_printers_output): Likewise but for %printer's.
5684 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
5686 * src/symtab.c (default_destructor, default_destructor_location,
5687 default_printer, default_printer_location): New static global
5688 variables to record the default %destructor and %printer.
5689 (symbol_destructor_get, symbol_destructor_location_get,
5690 symbol_printer_get, symbol_printer_location_get): New functions to
5691 compute the appropriate %destructor and %printer for a symbol.
5692 (default_destructor_set, default_printer_set): New functions to set the
5693 default %destructor and %printer.
5694 * src/symtab.h: Prototype all those new functions.
5695 * tests/actions.at (Default %printer and %destructor): New test to
5696 check that the right %printer and %destructor are called, that they're
5697 not called for $end, and that $$ and @$ work correctly.
5698 (Default %printer and %destructor for user-declared end token): New
5699 test to check that the default %printer and %destructor are called for
5700 a user-declared end token.
5701 * tests/input.at (Default %printer and %destructor redeclared, Unused
5702 values with default %destructor): New tests to check related grammar
5703 warnings and errors.
5705 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
5707 Clean up handling of %destructor for the end token (token 0).
5708 Discussed starting at
5709 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
5711 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
5713 Make the skeletons consistent in how they pop the end token and invoke
5715 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
5716 state, which has token number 0, since this would invoke the
5717 %destructor for the end token.
5718 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
5719 until after shifting the end token, or else it won't be popped.
5720 * data/yacc.c (yyparse): Likewise.
5722 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
5723 it's the end token. Upon termination, destroy an unshifted lookahead
5724 even when it's the end token.
5725 * data/lalr1.cc (yy::parser::parse): Likewise.
5726 * data/yacc.c (yyparse): Likewise.
5728 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
5729 value warnings for the end token when the user gives the end token a
5732 * tests/actions.at (Printers and Destructors): Test all the above.
5734 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
5736 Update to latest gnulib and gettext versions.
5737 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
5739 (gnulib_files): Add m4/warning.m4. Don't worry about files
5740 overwritten by autopoint.
5741 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
5742 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
5744 Don't use autoreconf; instead, invoke autopoint etc. by hand,
5745 so that we can remove the intl files at a better time.
5746 (intl_files_to_remove): Remove aclocal.m4, since it gets
5747 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
5748 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
5749 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
5750 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
5751 Remove datarootdir hack; no longer needed.
5752 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
5753 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
5754 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
5756 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
5757 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
5759 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
5761 * bootstrap: Adjust to today's change to gnulib-tool by invoking
5762 it with --assume-autoconf='latest-stable'.
5764 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
5766 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
5767 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
5769 * src/muscle_tab.h (muscle_grow): Replace the header comments with
5770 those from muscle_tab.c since the old ones are misleading.
5772 2006-07-13 Akim Demaille <akim@epita.fr>
5774 Support %define "KEY" {VALUE}.
5775 * src/scan-code.h, src/scan-code.l (translate_action)
5776 (translate_rule_action, translate_symbol_action, translate_code):
5777 Return char *, not const char *.
5778 * src/parse-gram.y (declaration): Rename as...
5779 (prologue_declaration): this.
5780 (string_content): Remove this nonterminal, use STRING.
5781 (braceless, content, content.opt): New nonterminal.
5783 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
5785 * src/scan-gram.l (getargs.h): Don't include it.
5787 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
5789 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
5790 rather than a for-loop that declares a local bool variable. This
5791 should work around a compatibility problem with a Cray x1e C++
5792 compiler reported by Hung Nguyen in
5793 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
5794 The for-loop was introduced in the 2004-11-17 change but I don't
5795 know why it was needed.
5797 2006-07-12 Akim Demaille <akim@epita.fr>
5799 * data/c.m4: Comment changes.
5801 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
5803 * src/complain.c (error_message, ERROR_MESSAGE): New.
5805 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
5806 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
5808 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
5810 * NEWS: Instead of %union, you can define and use your own union type
5811 YYSTYPE if your grammar contains at least one <type> tag.
5812 Your YYSTYPE need not be a macro; it can be a typedef.
5813 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
5814 (Union Decl, Decl Summary): Document this.
5815 * data/glr.c (YYSTYPE): Implement this.
5816 * data/glr.cc (YYSTYPE): Likewise.
5817 * data/lalr1.cc (YYSTYPE): Likewise.
5818 * data/yacc.c (YYSTYPE): Likewise.
5819 * src/output.c (prepare): Output tag_seen_flag.
5820 * src/parse-gram.y (declaration, grammar_declaration):
5821 Use 'union_seen' rather than 'typed' to determine whether
5822 %union has been seen, since grammars can now be typed without
5824 (symbol_declaration, type.opt, symbol_def):
5825 Keep track of whether a tag has been seen.
5826 * src/reader.c (union_seen, tag_seen): New vars.
5828 * src/reader.h (union_seen, tag_seen, typed): Likewise.
5829 * src/scan-code.l (untyped_var_seen): New variable.
5830 (handle_action_dollar): Adjust to above changes.
5831 (handle_action_dollar, handle_action_at):
5832 Improve overflow checking for outlandish numbers.
5833 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
5834 avoid new diagnostics generated by above changes.
5835 * tests/regression.at (YYSTYPE typedef): Add test to check
5836 for type tags without %union.
5838 * src/symlist.c (symbol_list_length): Return int, not unsigned
5839 int, since callers expect int. This may need to get revisited
5840 once we have proper integer overflow checking.
5842 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
5843 object is now static.
5845 * src/getargs.c (flags_argmatch): Return void, not int,
5846 to pacify ./configure --enable-gcc-warnings.
5848 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
5849 since last_string is already defined to FLEX_PREFIX (last_string).
5851 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
5853 Implement --warnings/-W.
5854 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
5856 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
5858 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
5859 (warnings_args, warnings_types): New.
5860 (getargs, short_options, long_options): Accept -W/--warnings.
5861 Sort the options by alphabetical order, upper case letter right
5862 before its lower case.
5864 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
5866 Change %merge result type clash warnings to errors. Discussed at
5867 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
5868 * src/reader.c (record_merge_function_type): Use complain_at.
5869 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
5870 declared later): Update test case results.
5872 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
5874 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
5875 to be in alphabetical order.
5876 (trace_args): Spelling fixes.
5878 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
5880 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
5881 so they don't collide with user-defined macros.
5882 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
5883 this was never guaranteed, and now that we're using gnulib stdint,
5884 which defines int_fast16_t to long int, the problem is exposed.
5886 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
5888 * data/c.m4 (b4_basename): Simplify a bit, since we don't
5889 need the full POSIX semantics (and weren't implementing them
5892 Adjust to Autoconf 2.60 and today's gnulib.
5893 * bootstrap (gnulib_modules): Add stdint.
5894 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
5895 no longer copies it.
5896 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
5897 since stdint needs the former and wcwidth (which is now required
5898 by mbswidth) needs the latter.
5899 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
5900 work around a compatibility glitch between gettext 0.14.6 and
5902 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
5903 Do not check for uintptr_t, since new stdint module does the right
5905 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
5906 Add stdint.h, stdint_.h, wcwidth.h.
5907 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
5908 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
5909 stdint.m4, wchar_t.m4, wcwidth.m4.
5910 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
5911 usual order for ../lib/*.h files.
5912 (file_name_split): Use last_component, not base_name, to adjust
5914 * src/parse-gram.h: Include <strverscmp.h> in the usual order
5915 for ../lib/*.h files.
5916 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
5917 Define unconditionally, since we now assume the stdint module.
5918 * src/scan-skel.l: Include <dirname.h>.
5919 (BASE_QPUTS): Use last_component, not base_name.
5920 * src/system.h: Include <unlocked-io.h> in the usual order
5921 for ../lib/*.h files. Include <stdint.h> unconditionally,
5922 since we now use the stdint module.
5923 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
5924 HAVE_UINTPTR_T, since we now use the stdint module.
5925 (base_name): Remove decl, since files now include <dirname.h>
5928 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
5930 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
5932 * data/yacc.c, data/glr.c, data/location.cc: Use them.
5933 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
5935 * tests/calc.at: Adjust.
5937 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
5939 * data/c.m4 (b4_basename): New.
5940 (b4_syncline): Also output the location of its invocation (from
5942 (b4_user_action, b4_define_user_action, b4_user_actions)
5943 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
5944 (b4_user_stype): New.
5945 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
5947 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
5949 In the grammar file, the first column is 1 not 0 on the first line as
5950 on every other line.
5951 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
5952 * tests/input.at (Torturing the Scanner): Update output.
5954 * src/scan-gram.l (scanner_cursor): Declare it static.
5956 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
5958 In warnings, say "previous declaration" rather than "first
5960 * src/symtab.c (redeclaration): Do that here.
5961 * src/reader.c (record_merge_function_type): In the case of a result
5962 type clash, report the previous declaration rather than the very first
5963 one in the grammar file.
5964 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
5965 declared later): Add a third declaration to check this behavior.
5966 * tests/input.at (Incompatible Aliases): Update output.
5968 2006-06-27 Akim Demaille <akim@epita.fr>
5970 * doc/Doxyfile.in: New.
5971 * doc/Makefile.am: Use it.
5972 * src/lalr.h, src/symtab.h: Initial doxygenation.
5974 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
5976 Don't miss %merge result type warnings just because the LHS types are
5977 declared after the %merge. This continues the effort of the previous
5979 * src/reader.c (get_merge_function): Don't set the merger type yet.
5980 (record_merge_function_type): New function for setting the merger type
5981 and checking for clashes.
5982 (grammar_current_rule_merge_set): Set the location of the %merge for
5984 (packgram): Invoke record_merge_function_type for each rule now that
5985 all symbol type declarations have been parsed.
5986 * src/reader.h (merger_list.type_declaration_location): New member
5987 storing the location of the first %merge from which the type for this
5988 merging function was derived.
5989 * src/symlist.h (symbol_list.merger_declaration_location): New member
5990 storing the location of a rule's %merge, if any.
5991 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
5992 declared later): New test to catch the error fixed by the above patch.
5994 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
5996 Get action warnings (grammar_rule_check) right even when symbol
5997 declarations appear after the rules. Discussed at
5998 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
6000 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
6001 Don't mistake the type of $$ in a midrule to be that of its parent
6003 * src/reader.c (grammar_current_rule_end): Don't invoke
6004 grammar_rule_check yet since not all symbol declarations may have been
6006 (grammar_midrule_action): Likewise.
6007 Don't record whether the midrule's $$ has been used yet since actions
6008 haven't been translated yet.
6009 Record the midrule's parent rule and its RHS index within the parent
6011 (grammar_current_rule_action_append): Don't translate the action yet
6012 since not all symbol declarations may have been parsed yet and, thus,
6013 warnings about types for $$, $n, @$, and @n can't be reported yet.
6014 (packgram): Translate the action and invoke grammar_rule_check now that
6015 all symbol declarations have been parsed.
6016 * src/scan-code.l (handle_action_dollar): Now that this is invoked
6017 after parsing the entire grammar file, the symbol list here in the case
6018 of a midrule is actually the midrule's empty RHS, so reference its
6019 parent rule's RHS where necessary.
6020 On the other hand, now that you can already know it's a midrule, you
6021 aren't forced to think $$ has the same type as its parent rule's $$.
6022 (handle_action_at): In the case of a midrule, reference the parent rule
6024 * src/symlist.c (symbol_list_new): Initialize new midrule-related
6026 (symbol_list_length): Now that this is invoked after all rules have
6027 been parsed, a NULL symbol (rather than a NULL symbol list node)
6028 terminates a rule. symbol_list_print already does this correctly.
6029 * src/symlist.h (symbol_list.midrule_parent_rule,
6030 symbol_list.midrule_parent_rhs_index): New members so that midrules can
6031 remember their relationships with their parents.
6032 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
6033 fixed by the above patch.
6034 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
6036 (Unused values): ... this old test case and...
6037 (Unused values before symbol declarations): ... this new test case.
6038 This one is the same as `Unused values' except that all symbol
6039 declarations appear after the rules in order to catch the rest of the
6040 errors fixed by the above patch.
6042 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6045 * src/reader.c (current_rule): Declare it static since it's no longer
6046 used outside this file.
6047 (grammar_current_rule_action_append): Remove redundant arguments from
6048 translate_rule_action invocation.
6049 * src/reader.h (current_rule): Remove this unused extern.
6050 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
6051 * src/scan-code.l (translate_rule_action): Likewise.
6053 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
6055 Clean up yesterday's patch.
6056 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
6058 * src/reader.c (grammar_current_rule_action_append): ... here for
6059 consistency with grammar_current_rule_symbol_append.
6060 * tests/regression.at (Braced code in declaration in rules section):
6061 Make yyerror and yylex static as usual.
6063 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
6065 Fix bug that mistakes braced code in a declaration in the rules section
6066 to be a rule action. Mentioned at
6067 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
6068 * src/scan-gram.l: Move midrule action detection from the start of the
6069 scanning of any braced code to...
6070 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
6071 action. For readability, use $2 and @2 rather than the equivalent
6073 * tests/regression.at (Braced code in declaration in rules section):
6074 New test to catch the error fixed by the above patch.
6076 Work on code readability some.
6077 * src/scan-code.l (current_rule): Get rid of this misleading and
6078 redundant declaration: it's actually extern'ed in reader.h.
6079 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
6080 translate_action): Add a rule argument and use it instead of the global
6082 (translate_rule_action): This already receives current_rule through an
6083 argument, so pass it on to translate_action instead of assigning
6084 current_rule to current_rule.
6085 (translate_symbol_action, translate_code): Pass rule = NULL to
6088 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
6090 Rename %before-definitions to %start-header and %after-definitions to
6091 %end-header. Don't use these declarations to separate pre-prologue
6092 blocks from post-prologue blocks. Add new order-independent
6093 declarations %before-header and %after-header as alternatives to the
6094 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
6095 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
6096 * NEWS (2.3+): Update for these changes.
6097 * data/glr.c (b4_before_definitions): Update to...
6098 (b4_start_header): ... this.
6099 (b4_after_definitions): Update to...
6100 (b4_end_header): ... this.
6101 * data/glr.cc: Likewise.
6102 * data/lalr1.cc: Likewise.
6103 * data/yacc.c: Likewise.
6104 * doc/bison.texinfo (The prologue): Update names, and replace remaining
6105 prologue blocks with %*-header declarations.
6106 (Calc++ Parser): Likewise.
6107 (Decl Summary): Update names.
6108 (Table of Symbols): Update description.
6109 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
6110 (PERCENT_END_HEADER): ... this.
6111 (PERCENT_BEFORE_DEFINITIONS): Update to...
6112 (PERCENT_START_HEADER): ... this.
6113 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6114 (declaration): Update token names and m4 macro names.
6115 When parsing %end-header and %start-header, invoke translate_code
6116 before muscle_code_grow, and no longer set global booleans to remember
6117 whether these declarations have been seen.
6118 Parse new %after-header and %before-header.
6119 * src/reader.c (before_definitions, after_definitions): Remove.
6120 (prologue_augment): Accept a new bool argument to specify whether to
6121 augment the pre-prologue or post-prologue.
6122 * src/reader.h (before_definitions, after_definitions): Remove these
6124 (prologue_augment): Add new bool argument.
6125 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
6126 (PERCENT_END_HEADER): ... this.
6127 (PERCENT_BEFORE_DEFINITIONS): Update to...
6128 (PERCENT_START_HEADER): ... this.
6129 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6130 * tests/actions.at (Printers and Destructors): Update names.
6132 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
6134 Add comparison operators for C++ location classes. Discussed at
6135 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
6136 * data/c++.m4 (b4_define_location_comparison): New boolean %define
6137 declaration indicating whether filename_type has an operator==. If
6138 filename_type is `std::string', it defaults to `1', `0' otherwise.
6139 * data/location.cc: Iff b4_define_location_comparison is `1', add
6140 operator== and operator!= for class position and for class location.
6143 * src/scan-action.l: Remove unused file.
6144 * src/symtab.c (symbol_printer_set): Use printer_location not
6145 destructor_location.
6146 * src/symtab.h (struct symbol): Replace incorrect source comment for
6148 * tests/input.at (Incompatible Aliases): Update output with correct
6151 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
6153 Don't put the pre-prologue in the header file. For the yacc.c code
6154 file and the glr.c header and code files, move the pre-prologue before
6155 the token definitions. Add new %before-definitions and
6156 %after-definitions to declare code that will go in both the header file
6157 and code file. Discussed at
6158 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
6159 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
6161 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
6162 * NEWS (2.3+): Describe these changes.
6163 * data/glr.c (b4_pre_prologue): Move from within to before...
6164 (b4_shared_declarations): ... this.
6165 Add new b4_before_definitions before b4_token_enums.
6166 Add new b4_after_definitions at the end.
6167 * data/glr.cc (b4_pre_prologue): Replace with...
6168 (b4_before_definitions): ... this in the header file.
6169 (b4_after_definitions): New near the end of the header file.
6170 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
6171 code file right before including the header file.
6172 (b4_before_definitions): New in the previous position of
6173 b4_pre_prologue in the header file.
6174 (b4_after_definitions): New near the end of the header file.
6175 * data/yacc.c: Clean up some m4 quoting especially in the header file.
6176 (b4_token_enums_defines): In the code file, move to right before
6177 YYSTYPE for consistency with the header file.
6178 (b4_before_definitions): New right before b4_token_enums_defines in
6179 both the header and code file.
6180 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
6181 header and code file.
6182 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
6183 of prologues for %union dependencies.
6184 (Decl Summary): In %defines description, mention the effect of
6185 %before-definitions and %after-definitions on the header file.
6186 (Calc++ Parser): Forward declare driver in a %before-definitions rather
6187 than in the pre-prologue so that make check succeeds.
6188 (Table of Symbols): Add entries for %before-definitions and
6190 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
6191 %before-definitions.
6192 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
6193 (declaration): Parse those declarations and append to
6194 b4_before_definitions and b4_after_definitions, respectively.
6195 * src/reader.c (before_definitions, after_definitions): New bools to
6196 track whether those declarations have been seen.
6197 (prologue_augment): Add to the post-prologue if %union,
6198 %before-definitions, or %after-definitions has been seen.
6199 * src/reader.h (before_definitions, after_definitions): New extern's.
6200 * src/scan-gram.l: Scan the new declarations.
6201 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
6202 prologue block in a %before-definitions or a %after-definitions based
6203 on whether the %union is declared.
6204 * tests/regression.at (Early token definitions with --yacc, Early token
6205 definitions without --yacc): Move tests for token definitions into the
6206 post-prologue since token names are no longer defined in the
6209 2006-06-20 Akim Demaille <akim@epita.fr>
6211 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
6212 (symbol_get): Use it.
6213 * src/parse-gram.y: Use it.
6215 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
6217 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
6218 build succeeds when configured with --enable-gcc-warnings.
6220 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
6222 * src/parse-gram.y (char_name): New function.
6223 (CHAR, STRING, string_content): For %printer, properly escape.
6224 (ID): Prefer fputs to fprintf.
6225 (id): Reindent to be consistent with other rules.
6226 Properly quote char.
6228 The Translation Project changed its way of publishing translations
6229 to maintainers. I haven't received any responses to my request
6230 for supporting the old way, or for documenting the new way. I
6231 have modified 'bootstrap' to use screen scraping
6232 (in this case, HTML scraping). This is unreliable and inelegant,
6233 but I don't see any better way. Yuck.
6234 * bootstrap (TP_URL, WGET_COMMAND): New vars.
6235 (get_translations): New function, which uses HTML scraping to
6236 deduce locations of latest translations.
6237 Use this function to grab both bison and bison-runtime .po files.
6238 Don't bother priming the pump for the runtime-po domain any more,
6239 as it's now translated better than bison is.
6241 2006-06-19 Akim Demaille <akim@epita.fr>
6243 * src/scan-gram.l: No longer "parse" things after `%union' until
6244 `{'. Rather, return a single "%union" token.
6245 No longer make symbols: return strings, and leave the conversion
6246 to symbols to the parser.
6247 (SC_PRE_CODE, token_type): Remove.
6248 * src/parse-gram.y (%union): New field `character'.
6251 (ID, ID_COLON): Now that the scanner no longer makes them
6252 identifiers, adjust all uses to invoke symbol_get.
6253 (id_colon): New, wraps the conversion from string to symbol.
6254 (%union): Accept a possible union_name.
6255 (symbol): Now can be a char.
6256 * data/c.m4 (b4_union_name): Leave a default value.
6257 * data/glr.c, data/yacc.c: Use it.
6259 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
6261 For associating token numbers with token names for "yacc.c", don't use
6262 #define statements unless `--yacc' is specified; always use enum
6263 yytokentype. Most important discussions start at:
6264 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
6265 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
6267 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
6268 * NEWS (2.3+): Mention.
6269 * data/c.m4 (b4_yacc_if): New.
6270 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
6272 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
6273 on token name definitions.
6274 * src/getargs.c (usage): Capitalize `Yacc' in English.
6275 * src/output.c (prepare): Define b4_yacc_flag.
6276 * tests/regression.at (Early token definitions): Test that tokens names
6277 are defined before the pre-prologue not just before the post-prologue.
6278 Remove this test case and copy to...
6279 (Early token definitions with --yacc): ... this to test #define's.
6280 (Early token definitions without --yacc): ... and this to test enums.
6282 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
6284 * NEWS: Reword the post-2.3 change to not be so optimistic about
6285 removing the old "look-ahead" spelling.
6286 Update previous look-ahead/lookahead change reports.
6287 * REFERENCES: look-ahead -> lookahead (since that's
6288 what he actually wrote).
6289 * doc/refcard.tex: look ahead -> lookahead,
6290 look-ahead -> lookahead
6292 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
6294 For consistency, use `lookahead' instead of `look-ahead' or
6295 `look_ahead'. Discussed starting at
6296 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
6298 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
6299 * NEWS: For the next release, note the change to `--report'.
6300 * TODO, doc/bison.1: Update English.
6301 * doc/bison.texinfo: Update English.
6302 (Understanding Your Parser, Bison Options): Document as
6303 `--report=lookahead' rather than `--report=look-ahead'.
6304 * src/conflicts.c: Update English in comments.
6305 (lookahead_set): Rename from look_ahead_set.
6306 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
6307 (resolve_sr_conflict): Rename local look_ahead_tokens to
6308 lookahead_tokens, and update other uses.
6309 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
6310 count_rr_conflicts, conflicts_free): Update uses.
6311 * src/getargs.c (report_args): Move "lookahead" before alternate
6313 (report_types): Update uses.
6314 (usage): For `--report' usage description, state `lookahead' spelling
6315 rather than `look-ahead'.
6316 * src/getargs.h (report.report_lookahead_tokens): Rename from
6317 report_look_ahead_tokens.
6318 * src/lalr.c: Update English in comments.
6319 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
6320 (state_lookahead_tokens_count): Rename from
6321 state_look_ahead_tokens_count.
6322 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6323 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
6324 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6326 Update English in output.
6327 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
6328 * src/print.c: Update English in comments.
6329 (lookahead_set): Rename from look_ahead_set.
6330 (print_reduction): Rename argument lookahead_token from
6332 (print_core, state_default_rule, print_reductions, print_results):
6334 * src/print_graph.c: Update English in comments.
6335 (print_core): Update uses.
6336 * src/state.c: Update English in comments.
6337 (reductions_new): Update uses.
6338 (state_rule_lookahead_tokens_print): Rename from
6339 state_rule_look_ahead_tokens_print, and update other uses.
6340 * src/state.h: Update English in comments.
6341 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
6342 (state_rule_lookahead_tokens_print): Rename from
6343 state_rule_look_ahead_tokens_print.
6344 * src/tables.c: Update English in comments.
6345 (conflict_row, action_row): Update uses.
6346 * tests/glr-regression.at
6347 (Incorrect lookahead during deterministic GLR,
6348 Incorrect lookahead during nondeterministic GLR): Rename
6349 print_look_ahead to print_lookahead.
6350 * tests/torture.at: Update English in comments.
6351 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
6352 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
6353 (Many lookahead tokens): Update uses.
6354 * data/glr.c: Update English in comments.
6355 * lalr1.cc: Likewise.
6357 * src/conflicts.h: Likewise.
6358 * src/lalr.h: Likewise.
6359 * src/main.c: Likewise.
6360 * src/output.c: Likewise.
6361 * src/parse-gram.c: Likewise.
6362 * src/tables.h: Likewise.
6363 * tests/calc.at: Likewise.
6365 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
6367 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
6369 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
6371 * TODO: Add request from Nelson H. F. Beebe to be able to install
6372 Bison without installing the yacc script.
6374 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6376 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
6377 and yytext if they're already #define'd.
6378 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
6379 * src/scan-code-c.c: ... here.
6380 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
6383 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6385 Get Bison to build again when configured with --enable-gcc-warnings.
6386 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
6388 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
6389 loc argument as it shadows a global.
6390 * src/scan-gram.l: Remove stray comma that prevents boundary_set
6393 * src/.cvsignore: Add scan-code.c.
6395 2006-06-07 Akim Demaille <akim@epita.fr>
6397 * src/scan-gram.l: Move the "add a trailing ; to actions" code
6399 * src/scan-code.l: here.
6400 * tests/input.at (Torturing the Scanner): Fix another location
6403 2006-06-07 Akim Demaille <akim@epita.fr>
6405 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
6407 2006-06-06 Akim Demaille <akim@epita.fr>
6409 Extract the parsing of user actions from the grammar scanner.
6410 As a consequence, the relation between the grammar scanner and
6411 parser is much simpler. We can also split "composite tokens" back
6413 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
6414 * src/scan-gram.l (add_column_width, adjust_location): Move to and
6416 * src/location.h, src/location.c (add_column_width)
6417 (location_compute): these.
6418 Fix the column count: the initial column is 0.
6419 (location_print): Be robust to ending column being 0.
6420 * src/location.h (boundary_set): New.
6421 * src/main.c: Adjust to scanner_free being renamed as
6423 * src/output.c: Include scan-code.h.
6424 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
6426 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
6427 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
6428 which is now, again, a separate token.
6429 Adjust all dependencies.
6430 Whereever actions with $ and @ are used, use translate_code.
6431 (action): Remove this nonterminal which is now useless.
6432 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
6433 (grammar_current_rule_action_append): Use translate_code.
6434 (packgram): Bound check ruleno, itemno, and rule_length.
6435 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
6436 (last_string, last_braced_code_loc, max_left_semantic_context)
6437 (scanner_initialize, scanner_free, scanner_last_string_free)
6438 (gram_out, gram_lineno, YY_DECL_): Move to...
6439 * src/scan-gram.h: this new file.
6440 (YY_DECL): Rename as...
6442 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
6443 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6444 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6445 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6446 Move these declarations, and...
6447 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
6449 * src/flex-scanner.h: this new file.
6450 * src/scan-gram.l (rule_length, rule_length_overflow)
6451 (increment_rule_length): Remove.
6452 (last_braced_code_loc): Rename as...
6453 (gram_last_braced_code_loc): this.
6454 Adjust to the changes of the parser.
6455 Move all the handling of $ and @ into...
6456 * src/scan-code.l: here.
6457 * src/scan-gram.l (handle_dollar, handle_at): Remove.
6458 (handle_action_dollar, handle_action_at): Move to...
6459 * src/scan-code.l: here.
6460 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
6461 scan-code.h, scan-code-c.c, scan-gram.h.
6462 (EXTRA_bison_SOURCES): Add scan-code.l.
6463 (BUILT_SOURCES): Add scan-code.c.
6464 (yacc): Be robust to white spaces.
6466 * tests/conflicts.at, tests/input.at, tests/reduce.at,
6467 * tests/regression.at: Adjust the column numbers.
6468 * tests/regression.at: Adjust the error message.
6470 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6472 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6473 Use Akim's wording from
6474 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
6476 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6478 Between Bison releases, manually append `+' to the previous Bison
6479 release number, and use that as a signal to automatically print the
6480 ChangeLog's CVS Id keyword from --version. Discussed starting at
6481 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
6482 * ChangeLog: Add Id header.
6483 * configure.ac (AC_INIT): Append `+' to `2.3'.
6484 * src/.cvsignore: Add revision.c.
6485 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
6486 (BUILT_SOURCES): Add revision.c.
6487 (revision.c): New target rule. This file defines a new global variable
6488 named revision. It initializes it with either the Id from ChangeLog
6489 or, if VERSION doesn't contain `+', with the empty string.
6490 * src/getargs.c (version): Print the value of revision.
6491 * src/revision.h: Extern revision.
6493 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
6495 * NEWS: Version 2.3.
6496 * configure.ac (AC_INIT): Likewise.
6498 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
6500 * data/glr.c (YYRECOVERING): Define to be a function-like macro
6501 with no arguments, not as an object-like macro. This is for
6502 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
6503 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
6504 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
6507 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
6509 * src/getargs.c (usage): Back out yesterday's modification of the
6510 --help output so that we don't have to wait for translation before
6513 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
6515 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
6516 Problem reported by Akim Demaille.
6518 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
6520 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6522 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
6524 * data/yacc.c (yy_reduce_print): Omit trailing white space in
6525 generated source code. Problem reported by Frans Englich in
6526 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
6528 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
6530 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
6531 shell, not within 'make', so that 'make' by an ordinary builder
6532 (using GNU make) does not worry about configuring gzip. This also
6533 works around a bug reported independently by Keith Thompson and by
6534 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
6535 stderr rather than stdout, messing up the build logs.
6537 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
6539 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
6540 to make sure that YYID will never be unused. This fixes a 'make
6541 maintainer-check' failure caused by the recent changes to the 'Trivial
6542 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
6544 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
6546 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
6548 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
6549 state before an empty RHS is always resolved here. Only the location
6550 of that state is guaranteed to be resolved, and that's enough. This
6551 fixes the remaining bug reported by Derek M. Jones in
6552 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
6553 * tests/glr-regression.at (Uninitialized location when reporting
6554 ambiguity): Test the above case.
6555 Also, the embedded comments in this test case claim it checks the case
6556 of an empty RHS that has inherited the initial location. However, the
6557 corresponding LHS was already resolved, so yyresolveLocations didn't
6558 actually have reason to modify it. Fix this by forcing
6559 nondeterministic operation at the beginning of the parse.
6561 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
6563 * data/c.m4 (b4_yy_symbol_print_generate):
6564 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
6565 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
6566 of the bugs reported today by Derek M Jones in
6567 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
6568 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
6569 defined to be a type name without parens or brackets.
6570 (Location Type): Similarly for YYLTYPE.
6571 * tests/regression.at (Trivial grammars): Put in a test for this
6572 bug that will be caught by 'make maintainer-check' (though not,
6573 alas, by 'make check' unless your compiler is picky).
6575 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
6577 * NEWS: Version 2.2.
6578 * configure.ac (AC_INIT): Likewise.
6580 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
6582 * data/glr.c (yyreportTree): Make room in yystates for the state
6583 preceding the RHS. This fixes the segmentation fault reported by Derek
6585 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
6586 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
6587 to the user. Reported for yyreportTree by Derek M. Jones later in the
6589 * THANKS: Add Derek M. Jones.
6590 Update my email address.
6591 Fix typo in Steve Murphy's name.
6593 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
6595 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
6596 checking against YYLAST that caused the parser to miss a potential
6597 alternative in its diagnostic.
6598 Problem reported by Maria Jose Moron Fernandez in
6599 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
6600 * data/lalr1.cc (yysyntax_error_): Likewise.
6601 * data/yacc.c (yysyntax_error): Likewise.
6602 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
6603 tokens, in case we run into an older C compiler.
6604 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
6605 Use them to check for the off-by-one error fixed above.
6607 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
6608 YYSIZE_T, not size_t.
6609 * tests/regression.at (Trivial grammars): New test, to catch
6610 the error fixed by the above patch.
6612 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6614 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
6616 Reported by Steve Murphy.
6618 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6620 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
6621 * data/glr.cc: b4_location_flag is now b4_locations_flag.
6623 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6625 Implement --trace=m4.
6626 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
6627 * src/output.c (output_skeleton): When set, pass -dV to m4.
6629 Factor the handling of flags in m4.
6630 * src/output.c (prepare): Rename the muscle names debug, defines,
6631 error_verbose to debug_flag, defines_flag, error_verbose_flag.
6632 * data/c.m4: Adjust.
6633 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
6634 Use b4_define_flag_if to define other b4_FLAG_if macros.
6635 (b4_location_if): As a consequence, rename as...
6636 (b4_locations_if): this, for consistency.
6637 Adjust all the skeletons.
6639 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6641 * etc/bench.pm: Shorten bench names.
6643 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
6645 * src/output.h, src/output.c (error_verbose): Move to...
6646 * src/getargs.h, src/getargs.c: here.
6648 Adjust dependencies.
6650 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
6652 * data/c.m4 (b4_copyright): Put the special exception for Bison
6653 skeletons here, so we don't have to put it in each skeleton. All
6654 uses changed. Suggested by Akim Demaille. Also, wrap the
6655 copyright notice, in case it is longer than 80 columns. Replace
6656 comma by newline after title.
6658 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
6660 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
6661 incompatibility, not a bug. Mention that it wasn't fixed as of
6664 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
6666 * examples/extexi: Enforce the precedence of concatenation over
6668 Reported by Tommy Nordgren.
6670 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
6672 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
6673 with the member "token".
6674 Reported by Martin Nylin.
6676 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
6678 * data/glr.c: Switch to Bison 2.2 special-exception language in
6679 the copyright notice. Use more-regular format for titles and
6681 * data/glr.cc: Likewise.
6682 * data/location.cc: Likewise.
6683 * data/yacc.cc: Likewise.
6684 * doc/bison.texinfo (Conditions): Document this.
6685 * NEWS: likewise. Upgrade version to 2.2.
6687 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
6689 * data/glr.cc: Remove dead code.
6691 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
6693 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
6694 that variable and the line breaks the bootstrap. Problem reported
6695 by Juan M. Guerrero.
6697 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
6699 * doc/bison.texinfo (Multiple start-symbols): New.
6701 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
6703 * etc/README, etc/bench.pl: New.
6705 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
6707 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
6709 Reported by Mickael Labau.
6710 * tests/input.at (Torturing the Scanner): Test it.
6712 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
6714 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
6715 Problem reported by Bob Rossi.
6717 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
6719 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
6720 and didn't really work.
6721 For the index, use @ifnotinfo, not @iftex.
6722 Minor cleanups of spacing and terminology.
6724 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
6726 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
6727 of AT_NAME_PREFIX when %name-prefix is not used.
6729 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
6731 Apply --prefix to C++ skeletons too: they change the namespace.
6732 The test suite already exercize these cases.
6733 * data/c++.m4 (b4_namespace): New.
6734 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
6735 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
6736 * data/yacc.c, data/glr.c: Remove a useless `[]'.
6737 * doc/bison.texinfo: Document it.
6738 (Option Cross Key): Use @multitable in all formats. It looks
6739 nicer, even in TeX outputs.
6740 (Rules): Use the same code whatever the output type is.
6741 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
6742 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
6743 * tests/calc.at: Use it, instead of hard coding `yy'.
6745 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
6747 * TODO: Remove dead items.
6749 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
6751 * doc/FAQ: Remove, merged into...
6752 * doc/bison.texinfo (FAQ): this.
6753 * doc/Makefile.am (EXTRA_DIST): Adjust.
6755 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
6757 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
6759 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
6760 * doc/bison.texinfo (Calc++ Scanner): Use it.
6762 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
6764 Fix two nits reported by twlevo, plus one more that I discovered.
6766 * src/assoc.h (assoc_to_string): Give a name to the arg, as
6767 this is the usual Bison style.
6768 * src/location.h (location_print): Likewise.
6770 * src/reader.h (token_name): Likewise.
6772 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
6774 Fix some nits reported by twlevo.
6775 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
6776 and "POSIX". Use more-modern syntax for URLs. Mention C++
6777 and ask for Java. Don't hardwire OS version numbers. Add
6779 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
6780 * src/conflicts.c (solved_conflicts_obstack): Now static.
6782 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
6784 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
6785 page. Say "you can use it" not "you may use it" as on the web page;
6786 we're describing capabilities not granting permission.
6788 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
6790 * data/glr.c (yyresolveLocations): Rename local variables to avoid
6791 shadowing warnings. Use usual patter for iterating through RHS.
6792 * tests/glr-regression.at
6793 (Uninitialized location when reporting ambiguity):
6794 Modify yylex so that it uses its argument, rather than trying
6795 to rely on ARGSUSED (which doesn't work for gcc with warnings).
6796 const char -> char const.
6798 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
6799 Don't use tabs inside commands; it messes up 'ps'.
6800 Problem reported by twlevo.
6802 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
6804 * tests/glr-regression.at (Uninitialized location when reporting
6805 ambiguity): New test case.
6806 * data/glr.c (yyresolveLocations): New function, which uses
6808 (yyresolveValue): Invoke yyresolveLocations before reporting an
6810 * doc/bison.texinfo (Default Action for Locations): Note
6811 YYLLOC_DEFAULT's usage for ambiguity locations.
6812 (GLR Semantic Actions): Cross-reference those notes.
6814 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
6816 * tests/glr-regression.at (Leaked semantic values when reporting
6817 ambiguity): Remove unnecessary union and type declarations.
6818 (Leaked lookahead after nondeterministic parse syntax error): New test
6820 * data/glr.c (yyparse): Check for zero stacks remaining before
6821 attempting to shift the lookahead so that you don't lose it.
6823 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
6825 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
6826 * tests/glr-regression.at (Leaked semantic values when reporting
6827 ambiguity): New test case.
6828 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
6829 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
6830 now unnecessary yystackp parameter.
6831 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
6832 destructors can be called.
6834 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
6835 in existing testcases.
6837 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
6839 Don't leak semantic values for parent RHS when a user action cuts the
6840 parser, and clean up related code a bit.
6841 * tests/glr-regression.at (Leaked merged semantic value if user action
6842 cuts parse): Rename to...
6843 (Leaked semantic values if user action cuts parse): ... this. Add check
6844 for leaked parent RHS values.
6845 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
6846 between an unresolved state (non-empty chain of semantic options) and
6847 an incomplete one (signaled by an empty chain).
6848 (yyresolveStates): Document the interface. Move all manipulation of a
6849 successfully or unsuccessfully resolved yyGLRState to...
6850 (yyresolveValue): ... here so that yyresolveValue always leaves a
6851 yyGLRState with consistent data and thus is easier to understand.
6852 Remove the yyvalp and yylocp parameters since they are always just
6853 taken from the yys parameter. When reporting a discarded merged value
6854 in debugging output, note that it is incompletely merged. Document the
6856 (yyresolveAction): If resolving any of the RHS states fails, destroy
6857 them all rather than leaking them. Thus, as long as user actions are
6858 written to clean up the RHS correctly, yyresolveAction always cleans up
6859 the RHS of a semantic option. Document the interface.
6861 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
6863 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
6864 led to a segmentation fault in GNU Pascal. Problem reported
6867 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
6869 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
6870 mid-rule action inside a nonterminal symbol in order to declare a
6871 destructor for its semantic value.
6873 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
6875 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
6876 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
6877 __cplusplus && ! defined _STDLIB_H && !
6878 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
6879 defined free))]: Include <stdlib.h> rather than rolling our own
6880 declarations of malloc and free, to avoid problems with
6881 incompatible declarations (using 'throw') C++'s stdlib.h. This
6882 should fix Debian bug 340012
6883 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
6884 reported by Guillaume Melquiond.
6886 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
6888 * NEWS: Clarify symbols versus types in unused-value warnings.
6890 * configure.ac (AC_INIT): Bump version number.
6892 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
6894 * NEWS: Version 2.1a.
6895 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
6896 since C99 requires this.
6898 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
6900 * m4/c-working.m4: New file.
6901 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
6903 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
6905 * Makefile.maint: Merge from coreutils.
6907 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
6909 More portability fixes for problems summarized by Nelson H. F. Beebe.
6911 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
6912 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
6913 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
6914 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
6915 messes up because C++ code is compiled in 32-bit mode but linked
6918 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
6920 More portability fixes for problems summarized by Nelson H. F. Beebe.
6922 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
6923 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
6925 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
6926 nodist_PROGRAMS, since we don't need to actually compile the
6927 example if we're just doing a plain 'make'. This avoids bothering
6928 the installer unnecessarily about problems due to weird C++
6931 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
6933 More portability fixes for problems summarized by Nelson H. F. Beebe.
6935 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
6936 than #include "...", and compile with -I'.'. The old method was
6937 not portable, according to Posix and the C standard, and it does
6938 not work with Sun C 5.7, where previous #line directives affect
6939 the working directory used in later #include "..." directives.
6941 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
6943 Various DJGGP specific issues in /djgpp
6945 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
6947 More portability fixes for problems summarized by Nelson H. F. Beebe.
6949 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
6950 '#include <map>' works and that you can apply ++ to iterators.
6952 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
6954 Work around portability problems summarized by Nelson H. F. Beebe in
6955 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
6957 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
6958 that '#include <string>' works.
6960 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
6961 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
6962 "warning: sorry: semantics of inline function static data `const
6963 unsigned char translate_table[262]' are wrong (you'll wind up with
6966 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
6967 or, xor to not_, and_, or_, and xor_, respectively. This works
6968 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
6969 random system header somewhere that includes the equivalent of
6972 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
6973 -E" works; it apparently doesn't work with PathScale EKO Compiler
6976 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
6978 During deterministic GLR operation, user actions should be able to
6979 influence the parse by changing yychar. To make this easier to fix and
6980 to make glr.c easier to evolve in general, don't maintain yytoken in
6981 parallel with yychar; just compute yytoken when needed.
6982 * tests/glr-regression.at (Incorrect lookahead during deterministic
6983 GLR): Check that setting yychar in a user action has the intended
6985 * data/glr.c (yyGLRStack): Remove yytokenp member.
6986 (yyclearin): Don't set *yytokenp.
6987 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
6988 yychar rather than *yytokenp to determine the current lookahead.
6989 Compute yytoken locally when needed.
6990 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
6993 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
6994 after `--report' documentation.
6996 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
6998 * src/parse-gram.y (grammar_declaration): Location of printer
6999 symbol is @1, not list->location. Bug reported by twlevo.
7000 * tests/input.at (Incompatible Aliases): Adjust to above change.
7002 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
7004 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
7005 all the test at once. This makes the output easier to read in the
7008 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
7009 got from <http://bro-ids.org/download.html>. The bug is that
7010 when two actions appeared in succession, the second one was
7011 scanned before the first one was added to the grammar rule
7012 as a midrule action. Bison then output the incorrect warning
7013 "parse.y:905.17-906.36: warning: unused value: $3".
7014 * src/parse-gram.y (BRACED_CODE, action): These are no longer
7015 associated with a value.
7016 (rhs): Don't invoke grammar_current_rule_action_append.
7017 (action): Invoke it here instead.
7018 * src/reader.c (grammar_midrule_action): Now extern.
7019 (grammar_current_rule_action_append): Don't invoke
7020 grammar_midrule_action; that is now the scanner's job.
7021 * src/reader.h (last_string, last_braced_code_loc):
7022 (grammar_midrule_action): New decls.
7023 * src/scan-gram.l (last_string): Now extern, sigh.
7024 (last_braced_code_loc): New extern variable.
7025 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
7026 rule already has an action.
7027 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
7028 * tests/input.at (AT_CHECK_UNUSED_VALUES):
7029 Add some tests to check that the above changes fixed the bug.
7031 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
7033 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
7034 All used changed. Check whether the symbol has a destructor,
7035 not whether it is typed.
7036 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
7037 that the values are still reported as unused. All line numbers
7040 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
7042 Work around a bug in bro 0.8, which underparenthesizes its
7043 definition of YYLLOC_DEFAULT.
7044 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
7046 * data/lalr1.cc: Likewise.
7047 * data/yacc.cc: Likewise.
7049 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
7051 Work around a bug in Pike 7.0, and give the Pike folks a
7052 better way to override the usual int widths.
7053 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
7054 user can override the types.
7055 (short): #undef, to work around a bug in Pike 7.0.
7056 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
7057 (union yyalloc.yyss): Use yytype_int16 rather than short.
7059 (yysigned_char): Remove.
7060 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
7061 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
7062 * tests/regression.at (Web2c Actions): Adjust to above changes.
7064 * src/reader.c (check_and_convert_grammar): New function.
7065 (reader): Close the input file even if something went wrong during
7066 parsing. Minor file descriptor leak reported by twlevo.
7068 * src/assoc.c (assoc_to_string): Use a default: abort (); case
7069 to pacify gcc -Wswitch-default.
7070 * src/scan-gram.l (adjust_location): Use a default: break; case
7071 to pacify gcc -Wswitch-default.
7072 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
7073 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7074 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7075 Move these decls to scan-skel.l, since they don't need to be
7077 * src/scan-skel.l: Accept the above decls.
7078 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
7081 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
7083 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
7084 since we don't want to insist on a version number at the start
7085 of the changelog every time.
7086 * Makefile.maint: Sync from coreutils a bit better.
7087 (sc_trailing_blank): Renamed from sc_trailing_space.
7089 (sc_no_if_have_config_h, sc_require_config_h):
7090 (sc_prohibit_assert_without_use): New rules.
7091 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
7092 (sc_dd_max_sym_length): Fix leading spaces in rule.
7093 (sc_system_h_headers): Prefix with @.
7094 (sc_useless_cpp_parens, m4-check): Output line numbers.
7095 (changelog-check): Allow version only in head.
7096 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
7097 satisfy new Makefile.maint rule.
7098 * data/glr.c: Likewise.
7099 * data/glr.cc: Likewise.
7100 * data/lalr1.cc: Likewise.
7101 * data/yacc.c: Likewise.
7102 * lib/ebitsetv.c: Likewise.
7103 * lib/lbitset.c: Likewise.
7104 * lib/subpipe.c: Likewise.
7105 * lib/timevar.c: Likewise.
7106 * src/system.h: Likewise.
7107 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
7108 * djgpp/Makefile.maint: Add copyright notice.
7109 * djgpp/README.in: Likewise.
7110 * djgpp/config.bat: Likewise.
7111 * djgpp/config.site: Likewise.
7112 * djgpp/config_h.sed: Likewise.
7113 * djgpp/djunpack.bat: Likewise.
7114 * djgpp/config.sed: Fix copyright notice to match standard format.
7115 * djgpp/subpipe.h: Likewise.
7116 * lib/bitsetv-print.c: Likewise.
7117 * lib/bitsetv.c: Likewise.
7118 * lib/subpipe.h: Likewise.
7119 * lib/timevar.c: Likewise.
7120 * lib/timevar.h: Likewise.
7121 * djgpp/subpipe.c: Use standard recipe for config.h.
7122 * lib/abitset.c: Likewise.
7123 * lib/bitset.c: Likewise.
7124 * lib/bitset_stats.c: Likewise.
7125 * lib/bitsetv-print.c: Likewise.
7126 * lib/bitsetv.c: Likewise.
7127 * lib/ebitsetv.c: Likewise.
7128 * lib/get-errno.c: Likewise.
7129 * lib/lbitset.c: Likewise.
7130 * lib/subpipe.c: Likewise.
7131 * lib/timevar.c: Likewise.
7132 * lib/vbitset.c: Likewise.
7133 * tests/local.at: Likewise.
7134 * src/scan-gram.l: Don't include verify.h, since system.h does
7136 * .x-sc_require_config_h: New file.
7137 * .x-sc_unmarked_diagnostics: New file.
7139 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
7141 Be a bit more systematic about using 'abort'.
7142 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
7143 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
7144 Put 'default: abort ();' before some other case, to satisfy older
7146 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7147 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
7148 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
7149 * src/conflicts.c (resolve_sr_conflict): Likewise.
7150 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
7151 (get_decision_str, get_orientation_str, get_node_alignment_str):
7152 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
7153 (get_linestyle_str, get_arrowstyle_str): Likewise.
7154 * src/conflicts.c (resolve_sr_conflict):
7155 Use a default case rather than one for the one remaining enum
7156 value, to catch invalid enum values as well.
7157 * src/lalr.c (set_goto_map, map_goto):
7158 Prefer "assert (FOO);" to "if (!FOO) abort ();".
7159 * src/nullable.c (nullable_compute, token_definitions_output):
7161 * src/reader.c (packgram, reader): Likewise.
7162 * src/state.c (transitions_to, state_new, state_reduction_find):
7164 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
7165 (symbol_pack): Likewise.
7166 * src/tables.c (conflict_row, pack_vector): Likewise.
7167 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
7168 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
7169 * src/system.h: Don't include <assert.h>.
7170 (assert): New macro.
7172 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
7173 (Destructor Decl, Parser Function, Pure Calling):
7174 Describe rules for braces inside C code more carefully.
7176 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
7178 Fix some porting glitches found by Nelson H. F. Beebe.
7179 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
7180 compilers that don't understand that abort () does not return.
7181 * src/state.c (transitions_to): Likewise.
7182 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7183 that '#include <cstdlib>' works.
7184 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
7185 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
7186 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
7187 for the benefit of some pre-C99 compilers.
7189 * bootstrap: Undo changes to gnulib files that autoreconf made.
7191 Minor fixups to get 'make maintainer-check' to work.
7192 * configure.ac: Don't use -Wnested-externs, as it's incompatible
7193 with the new verify.h implementation.
7194 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
7195 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
7196 * data/yacc.c (YYUSE): Likewise.
7197 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
7198 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
7199 * src/parse-gram.y (declaration): Don't pass a string constant
7200 to a function that expects char *, since GCC might complain
7201 about the constant value.
7202 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
7203 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
7204 before #defining them.
7205 * tests/glr-regression.at
7206 (Incorrectly initialized location for empty right-hand side in GLR):
7207 In yyerror, use the msg arg.
7208 (Corrupted semantic options if user action cuts parse):
7209 (Incorrect lookahead during deterministic GLR):
7210 (Incorrect lookahead during nondeterministic GLR):
7211 Don't name a local var 'index'; it shadows string.h's 'index'.
7213 2006-01-19 Akim Demaille <akim@epita.fr>
7215 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
7216 location, not just parts of it.
7218 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
7220 * NEWS: Document the fact that multiple %unions are now allowed.
7221 * doc/bison.texinfo (Union Decl): Likewise.
7222 * TODO: This feature is now implemented, so remove it from
7225 * Makefile.maint: Merge with coreutils Makefile.maint.
7226 (CVS_LIST): Use build-aux version if available.
7227 (VERSION_REGEXP): New macro.
7228 (syntax-check-rules): Add sc_no_if_have_config_h,
7229 sc_prohibit_assert_without_use, sc_require_config_h,
7230 sc_useless_cpp_parens.
7231 (sc_obsolete_symbols): Check for O_NDELAY.
7232 (sc_dd_max_sym_length): Track coreutils.
7233 (sc_unmarked_diagnostics): Look in all files, not just *.c.
7234 (sc_useless_cpp_parens): New rule.
7235 (news-date-check): Look for version or today's date.
7236 (changelog-check): Don't require version number near head.
7237 (copyright-check): Use current year instead of hardwiring 2005.
7238 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
7239 (announcement): Add --gpg-key-ID.
7241 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
7244 Avoid undefined behavior that addressed just before the start of an
7245 array. Problem reported by twlevo.
7246 * src/reader.c (packgram): Prepend a new sentinel before ritem.
7247 * src/lalr.c (build_relations): Rely on new sentinel.
7248 * src/gram.c (gram_free): Adjust to new sentinel.
7250 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
7252 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
7253 yylookaheadNeeds. All uses updated.
7254 (yysplitStack): Rename local yynewLookaheadStatuses to
7255 yynewLookaheadNeeds.
7256 * data/glr-regression.at (Incorrect lookahead during nondeterministic
7257 GLR): In comments, change `lookahead status' to `lookahead need'.
7259 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7261 * data/glr.c (yysplitStack): A little stylistic rewrite.
7263 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7265 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
7267 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
7269 * doc/bison.texinfo: Fix some typos.
7270 (GLR Semantic Actions): New subsection discussing special
7271 considerations because GLR semantic actions might be deferred.
7272 (Actions): Mention look-ahead usage of yylval.
7273 (Actions and Locations): Mention look-ahead usage of yylloc.
7274 (Special Features for Use in Actions): Add YYEOF entry and mention it
7275 in the yychar entry.
7276 In the yychar entry, remove mention of the local yychar case (pure
7277 parser) since this is irrelevant information when writing semantic
7278 actions and since it's already discussed in `Table of Symbols' where
7279 yychar is otherwise described as an external variable.
7280 In the yychar entry, don't call it the `current' look-ahead since it
7281 isn't when semantic actions are deferred.
7282 In the yychar and yyclearin entries, add note about deferred semantic
7284 Add yylloc and yylval entries discussing look-ahead usage.
7285 (Look-Ahead Tokens): When discussing yychar, don't call it the
7286 `current' look-ahead, and do mention yylval and yylloc.
7287 (Error Recovery): Cross-reference `Action Features' when mentioning
7289 (Table of Symbols): In the yychar entry, don't call it the `current'
7291 In the yylloc and yylval entries, mention look-ahead usage.
7293 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7295 * tests/glr-regression.at: Update copyright year to 2006.
7297 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7299 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
7300 use during nondeterministic operation to track which stacks have
7301 actually needed the current lookahead.
7302 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
7303 Allocate, deallocate, resize, and otherwise shuffle space for
7304 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
7305 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
7306 appropriately during nondeterministic operation.
7307 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
7308 members to store the current lookahead to be used by the deferred
7310 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
7311 from which the RHS is taken. Set the lookahead members of the new
7312 yySemanticOption according to the lookahead status for stack yyk.
7313 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
7314 yyaddDeferredAction.
7315 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
7316 members of yySemanticOption before invoking yyuserAction, and then set
7317 them back to their current values afterward.
7318 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
7319 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
7320 * tests/glr-regression.at: Remove `.' from the ends of recent test case
7321 titles for consistency.
7322 (Leaked merged semantic value if user action cuts parse): In order to
7323 suppress lint warnings, use arguments in merge function, and assign
7324 char value < 128 in main.
7325 (Incorrect lookahead during deterministic GLR): New test case.
7326 (Incorrect lookahead during nondeterministic GLR): New test case.
7328 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7330 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
7331 !yyvaluep as signal that no semantic value is available to print.
7332 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
7333 to print a semantic value.
7335 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7337 * tests/glr-regression.at: For consistency with my newer test cases,
7340 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7342 * data/glr.c (yyresolveValue): When merging semantic options, if at
7343 least one user action succeeds but a later one cuts the parse, then
7344 destroy the semantic value before returning rather than leaking it.
7345 (yyresolveStates): If a user action cuts the parse and thus
7346 yyresolveValue fails, ignore the (unset) semantic value rather than
7347 corrupting the yyGLRState, and empty the semantic options list since
7348 the user actions should have called all necessary destructors.
7349 Simplify code with YYCHK.
7350 * tests/glr-regression.at (Corrupted semantic options if user action
7351 cuts parse): New test case.
7352 (Undesirable destructors if user action cuts parse): New test case.
7353 Before applying any of this patch, this test case never actually failed
7354 for me... but only because the corrupted semantic options usually
7356 (Leaked merged semantic value if user action cuts parse): New test
7359 2006-01-05 Akim Demaille <akim@epita.fr>
7361 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
7363 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
7365 * data/c.m4 (b4_c_modern): New macro, with a new provision for
7366 _MSC_VER. Problem reported by Cenzato Marco.
7367 (b4_c_function_def): Use it.
7368 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
7370 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
7371 than rolling our own.
7373 2006-01-04 Akim Demaille <akim@epita.fr>
7375 Also warn about non-used mid-rule values.
7376 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
7378 (symbol_list_new): Adjust.
7379 * src/reader.c (symbol_typed_p): New.
7380 (grammar_rule_check): Use it.
7381 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
7383 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
7385 * tests/actions.at (Exotic Dollars): Adjust.
7387 2006-01-04 Akim Demaille <akim@epita.fr>
7389 * src/reader.c (grammar_midrule_action): If $$ is set in a
7390 mid-rule, move the `used' bit to its lhs.
7391 * tests/input.at (Unused values): New.
7392 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
7394 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
7396 * doc/bison.texinfo (Bison Options): Say more accurately what
7398 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
7399 about declarations in the grammar when in Yacc mode, as POSIX does
7400 not require a diagnostic when the grammar uses extensions.
7402 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
7404 Warn about dubious constructions like "%token T T".
7406 * src/symtab.h (struct symbol.declared): New member.
7407 * src/symtab.c (symbol_new): Initialize it to false.
7408 (symbol_class_set): New arg DECLARING, specifying whether
7409 this is a declaration that we want to warn about, if there
7410 is more than one of them. All uses changed.
7412 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
7413 Allow multiple %union directives, whose contents concatenate.
7414 * src/parse-gram.y (grammar_declaration): Likewise.
7415 Use muscle_code_grow, so that we don't need stype_line any more.
7418 * src/muscle_tab.c (muscle_grow): Fix comment.
7420 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
7421 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
7422 Update copyright year to 2006.
7424 2006-01-03 Akim Demaille <akim@epita.fr>
7426 Have glr.cc pass (some of) the calc.at tests.
7427 * data/glr.cc (b4_parse_param_orig): New.
7428 (b4_parse_param): Improve its definition, and bound it more
7429 clearly in the skeleton.
7430 (b4_epilogue): Append, instead of prepending, in order to keep
7432 Simplify the generation of auxiliary functions: locations and
7433 purity are mandated.
7434 (b4_global_tokens_and_yystype): Honor it.
7435 * data/location.cc (c++.m4): Don't include it.
7436 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
7438 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
7440 Be sure to initialize the first position's filename.
7441 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
7443 (AT_CHECK_CALC_GLR_CC): New.
7444 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
7446 2006-01-02 Akim Demaille <akim@epita.fr>
7448 * src/output.c (output_skeleton): Don't hard wire the inclusion of
7450 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
7451 * data/glr.cc: Do not include stack.hh.
7453 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7455 * data/glr.c: Reformat whitespace with tabs.
7456 (b4_lpure_formals): Remove this unused m4 macro.
7457 * tests/cxx-type.at: Reformat whitespace with tabs.
7458 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
7459 since it's a member. Rename type to isNterm for clarity.
7461 2005-12-29 Akim <akim@sulaco.local>
7463 Let glr.cc catch up with symbol_value_print.
7464 * data/glr.cc (b4_yysymprint_generate): Replace by...
7465 (b4_yy_symbol_print_generate): this.
7466 (yy_symbol_print, yy_symbol_value_print): Declare them.
7468 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
7470 * src/location.h (boundary): Note that a line or column equal
7471 to INT_MAX indicates an overflow.
7472 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
7473 (rule_length_overflow, increment_rule_length, add_column_width):
7475 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
7476 (<SC_BRACED_CODE>"}"):
7477 Use increment_rule_length rather than incrementing it by hand.
7478 (adjust_location, handle_syncline): Diagnose overflow.
7479 (handle_action_dollar, handle_action_at):
7480 Fix bug with monstrosities like $-2147483648.
7481 Remove now-unnecessary checks.
7482 (scan_integer): Verify assumptions and remove now-unnecessary checks.
7483 (convert_ucn_to_byte): Verify assumptions.
7484 (handle_syncline): New arg LOC. All callers changed.
7485 Don't store through a value derived from char const * pointer.
7487 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
7490 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
7492 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
7493 Remove unnecessary forward static decls.
7495 2005-12-27 Akim Demaille <akim@epita.fr>
7497 * src/reader.c (grammar_current_rule_check): Also check that $$
7499 Take the rule to check as argument, hence rename as...
7500 (grammar_rule_check): this.
7501 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
7503 (grammar_rule_begin, grammar_rule_end): these, for consistency.
7504 (grammar_midrule_action, grammar_symbol_append): Now static.
7505 * tests/torture.at (input): Don't rely on the default action
7506 being always performed.
7507 * tests/calc.at: "Set" $$ even when the action is "cut" with
7509 * tests/actions.at (Exotic Dollars): Instead of using unused
7510 values, check that the warning is issued.
7512 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
7514 * NEWS: Improve wording for unused-value warnings.
7516 2005-12-22 Akim Demaille <akim@epita.fr>
7518 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
7519 (b4_yysymprint_generate): Rename as...
7520 (b4_yy_symbol_print_generate): this.
7521 Generate yy_symbol_print instead of yysymprint.
7522 Generate also yy_symbol_value_print, and use it.
7524 2005-12-22 Akim Demaille <akim@epita.fr>
7526 * NEWS: Warn about unused values.
7527 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
7529 (symbol_list_n_get, symbol_list_n_used_set): New.
7530 (symbol_list_n_type_name_get): Use symbol_list_n_get.
7531 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
7532 * src/reader.c (grammar_current_rule_check): Check that values are
7534 * src/symtab.c (symbol_print): Accept 0.
7535 * tests/existing.at: Remove the type information.
7537 Remove useless actions (beware of mid-rule actions: perl -000
7538 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
7539 * tests/actions.at (Exotic Dollars): Use unused values.
7540 * tests/calc.at: Likewise.
7541 * tests/glr-regression.at (No users destructors if stack 0 deleted):
7544 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
7547 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
7549 Undo 2005-12-01 tentative license wording change. The wording is
7550 still being reviewed by the lawyers, and we don't want to wait for
7551 them before publishing a test release. For now, revert to the
7553 * NEWS: Undo 2005-12-01 change.
7554 * data/glr.c: Revert to previous license wording.
7555 * data/glr.cc: Likewise.
7556 * data/lalr1.cc: Likewise.
7557 * data/location.cc: Likewise.
7558 * data/yacc.c: Likewise.
7560 * NEWS: Reword %destructor vs YYABORT etc.
7561 * data/glr.c: Use American spacing, for consistency.
7562 * data/glr.cc: Likewise.
7563 * data/lalr1.cc: Likewise.
7564 * data/yacc.c: Likewise.
7565 * data/yacc.c: Reformat comments slightly.
7566 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
7567 for consistency. Fix some spelling errors and reword recently-included
7569 * tests/cxx-type.at: Cast results of malloc, for C++.
7571 2005-12-21 Joel E. Denny <address@hidden>
7573 * tests/cxx-type.at: Construct a tree, count the parents of shared
7574 nodes, and free each node once and only once. Previously, the memory
7575 for semantic values was leaked instead.
7577 2005-12-21 Joel E. Denny <address@hidden>
7579 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
7580 (yylval, yylloc): If pure, #define to yystackp->yyval and
7581 yystackp->yyloc similar to yychar and yynerrs.
7582 (yyparse): If pure, remove local yylval and yylloc. Add local
7583 yystackp to accommodate pure definitions of yylval and yylloc.
7584 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
7585 yylvalp and yyllocp to &yylval and &yylloc.
7586 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
7587 namespace. Previously, nerrs and char were missing, but lval and lloc
7589 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
7590 yylvalp and yyllocp parameters since, if pure, these are now always
7591 accessible through yystackp. If not pure, they are still accessible
7593 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
7594 `if (YYID (N))' to pacify lint.
7596 2005-12-21 Akim Demaille <akim@epita.fr>
7598 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
7599 destroy the RHS symbols of a rule.
7600 * data/yacc.c (yylen): Initialize to 0.
7601 Keep its value to the number of items to possibly shift.
7602 In particular, a regular successful parse that ends on YYFINAL by
7603 a (internal) YYACCEPT must not have yylen != 0.
7604 (yyerrorlab, yyreturn): Pop the RHS.
7605 Reorder a bit to emphasize the `shifting' bits of code.
7606 (YYPOPSTACK): Now accept a number of items to pop.
7607 * data/lalr1.cc: Likewise.
7608 * data/glr.c: Formatting changes.
7609 Use goto instead of fall through.
7610 * doc/bison.texinfo (Destructor Decl): Complete.
7612 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7614 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
7615 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
7616 * djgpp/config.bat: Replace every occurence of the file name
7617 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
7618 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
7619 * djgpp/config.sed: Replace every occurence of the file name
7620 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
7621 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
7622 * djgpp/djunpack.bat: DJGPP specific file.
7623 * djgpp/fnchange.lst: DJGPP specific file.
7624 * djgpp/README.in: Add new information about how to unpack the bison
7625 source on MSDOS and other systems which have 8.3 file name restrictions
7626 using djunpack.bat and fnchange.lst.
7628 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
7630 * bootstrap (build_cvs_prefix): Remove; unused.
7631 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
7632 when getting gnulib.
7634 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
7636 * data/glr.c: Reorder typedef declarations for structs to match order
7637 of struct declarations.
7638 Rename yystack everywhere to yystackp except in yyparse where it's not
7640 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
7642 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
7643 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
7644 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
7647 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
7649 * tests/sets.at (Accept): Fix typos in regular expression used to
7650 sed out the final state number.
7652 Work around portability problem on Solaris 10: flex-generated
7653 files include <stdio.h> before <config.h>, which messes up
7654 because the latter defines __EXTENSIONS__. Address the problem
7655 by creating two new little files that include <config.h> first,
7656 then include the flex-generated files. Rewrite everyone else
7657 to include <config.h> first, as well.
7658 * lib/timevar.c: Always include "config.h".
7659 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
7660 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
7661 (EXTRA_bison_SOURCES): New macro.
7662 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
7663 * src/system.h: Don't include config.h.
7664 * src/LR0.c: Include <config.h> first.
7665 * src/assoc.c: Likewise.
7666 * src/closure.c: Likewise.
7667 * src/complain.c: Likewise.
7668 * src/conflicts.c: Likewise.
7669 * src/derives.c: Likewise.
7670 * src/files.c: Likewise.
7671 * src/getargs.c: Likewise.
7672 * src/gram.c: Likewise.
7673 * src/lalr.c: Likewise.
7674 * src/location.c: Likewise.
7675 * src/main.c: Likewise.
7676 * src/muscle_tab.c: Likewise.
7677 * src/nullable.c: Likewise.
7678 * src/output.c: Likewise.
7679 * src/parse-gram.y: Likewise.
7680 * src/print.c: Likewise.
7681 * src/print_graph.c: Likewise.
7682 * src/reader.c: Likewise.
7683 * src/reduce.c: Likewise.
7684 * src/relation.c: Likewise.
7685 * src/state.c: Likewise.
7686 * src/symlist.c: Likewise.
7687 * src/symtab.c: Likewise.
7688 * src/tables.c: Likewise.
7689 * src/uniqstr.c: Likewise.
7690 * src/vcg.c: Likewise.
7692 * src/parse-gram.y: Fix minor problems uncovered by lint.
7693 (current_lhs, current_lhs_location): Now static.
7694 (current_assoc): Remove unused variable.
7696 Cleanups so that Bison-generated parsers have less lint.
7697 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
7698 Prepend /*ARGSUSED*/, for lint's sake.
7699 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
7700 definition if 'lint' is defined.
7701 (YYID): New macro (or function, if lint).
7702 All uses of /*CONSTCOND*/0 replaced by YYID(0).
7703 * data/yacc.c: Likewise.
7704 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
7705 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
7706 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
7708 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
7709 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
7710 Use YYID(0) rather than 0, for lint.
7711 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
7712 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
7714 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
7716 * tests/glr-regression.at
7717 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
7718 Close memory leak reported by twlevo.
7720 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
7722 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
7724 (yyparse): Iterate another stack in order to call user destructors.
7725 * tests/glr-regression.at (No users destructors if stack 0 deleted):
7727 (Duplicated user destructor for lookahead): This test now is expected
7730 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
7732 * NEWS: Document the following change.
7733 * data/yacc.c: Say "parser skeleton" rather than "file", since
7734 it's no longer just a file.
7735 * data/glr.c: Grant a special exception for C GLR parsers, that
7736 reads like the already-existing exception for C LALR(1) parsers.
7737 * data/glr.cc: Likewise.
7738 * data/lalr1.cc: Likewise.
7739 * data/location.cc: Likewise.
7740 * data/yacc.c: Reword the "written by" statement to clarify that
7741 it was the parser skeleton, not the entire output file.
7742 * data/glr.c: Written by Paul Hilfinger.
7743 * data/glr.cc: Written by Akim Demaille.
7744 * data/lalr1.cc: Likewise.
7746 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
7748 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
7749 Fix typos in previous change that broke 'make check'.
7750 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
7752 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
7753 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
7754 We can revert this once things settle down.
7756 * src/conflicts.c (conflicts_print): Don't print file name twice
7757 when %expect fails because there were no conflicts.
7758 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
7760 * tests/conflicts.at (%expect not enough, %expect too much):
7761 (%expect with reduce conflicts): Adjust to new behavior.
7763 2005-11-18 Akim Demaille <akim@epita.fr>
7765 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
7767 * NEWS: Document this.
7768 * doc/bison.texinfo (Expect Decl): Likewise.
7770 2005-11-16 Akim Demaille <akim@epita.fr>
7772 Generalize the display of semantic values and locations in traces.
7773 * data/glr.c (yy_reduce_print): Fix indices (again).
7774 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
7776 * data/lalr1.cc (yyreduce_print): Rename as...
7777 (yy_reduce_print): this.
7778 Display values and locations.
7779 * data/yacc.c (yy_reduce_print): Likewise.
7780 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
7781 (yysymprint): Move higher to be visible from yy_reduce_print).
7783 * tests/calc.at: Adjust the expected length of the traces.
7785 2005-11-14 Akim Demaille <akim@epita.fr>
7787 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
7788 from 1 to N, while values and location start at 0.
7789 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
7791 2005-11-14 Akim Demaille <akim@epita.fr>
7793 * data/glr.c (yy_reduce_print): Fix the $ number.
7795 2005-11-14 Akim Demaille <akim@epita.fr>
7797 "Use" parse parameters.
7798 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
7799 * data/glr.c, data/glr.cc: Use them.
7800 * data/glr.c (YYUSE): Have a C++ definition that supports
7803 2005-11-14 Akim Demaille <akim@epita.fr>
7805 * data/glr.c (yyexpandGLRStack): Declare only if defined.
7807 2005-11-14 Akim Demaille <akim@epita.fr>
7810 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
7812 2005-11-12 Akim Demaille <akim@epita.fr>
7814 Let position and location be PODs.
7815 * data/location.cc (position::initialize, location::initialize): New.
7816 (position::position, location::location): Define only if
7817 b4_location_constructors is defined.
7818 * data/lalr1.cc (b4_location_constructors): Define it for backward
7820 * doc/bison.texinfo (Initial Action Decl): Use initialize.
7822 2005-11-12 Akim Demaille <akim@epita.fr>
7824 * data/lalr1.cc: Move the body of the ctor and dtor into the
7825 parser file (instead of the header).
7826 Wrap the implementations in a "namespace yy".
7828 2005-11-12 Akim Demaille <akim@epita.fr>
7830 Have glr.c include its header file when created.
7831 * data/glr.c (b4_shared_declarations): New.
7832 Output them verbatim in the parser if !%defines, otherwise
7833 output then in the header file, and include it instead.
7835 2005-11-11 Akim Demaille <akim@epita.fr>
7837 * data/glr.c: Comment changes.
7839 2005-11-11 Akim Demaille <akim@epita.fr>
7841 When yydebug, report semantic and location values for reductions.
7842 * data/glr.c (yy_reduce_print): Report the semantic values and the
7844 (YY_REDUCE_PRINT): Adjust.
7845 (yyglrReduce): Use them.
7846 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
7847 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
7848 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
7851 2005-11-10 Akim Demaille <akim@epita.fr>
7853 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
7854 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
7855 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
7857 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
7859 * m4/cxx.m4, examples/Makefile.am: Don't build
7860 examples/calc++ if no C++ compiler is available. (trivial change)
7862 2005-11-09 Akim Demaille <akim@epita.fr>
7864 * src/scan-skel.l: Use a couple of asserts.
7866 2005-11-03 Akim Demaille <akim@epita.fr>
7868 In some (weird) cases, the final state number is incorrect.
7869 Reported by Alexandre Duret-Lutz.
7870 * src/LR0.c (state_list_append): Remove the computation of
7872 (save_reductions): Do it here.
7873 (get_state): Alpha conversion.
7874 (generate_states): Use a for loop.
7875 * src/gram.h (item_number_is_rule_number)
7876 (item_number_is_symbol_number): New.
7877 * src/state.c: Use assert.
7878 * src/system.h: Include assert.h.
7879 * tests/sets.at (Accept): New.
7881 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7883 * data/glr.c (yyfill): Adjust comment.
7884 (yyresolveAction): Initialize default location properly
7885 for empty right-hand sides.
7886 (yydoAction): Ditto.
7887 Add comment explaining apparently dead code.
7888 * tests/glr-regression.at
7889 (Incorrectly initialized location for empty right-hand side in GLR):
7892 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
7894 * bootstrap (cleanup_gnulib): New function. Use it to clean up
7895 gnulib when interrupted. This fixes some race conditions and
7896 works around some portability problems (one noted by Paul
7899 2005-10-22 Akim <akim@epita.fr>
7901 * Makefile.cfg: Adjust to config -> build-aux.
7904 2005-10-21 Akim Demaille <akim@epita.fr>
7906 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
7908 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
7909 * data/yacc.c (b4_Pure_if): Rename as...
7910 (b4_yacc_pure_if): this.
7911 (YY_SYMBOL_PRINT, yyparse): Adjust.
7912 * doc/bison.texinfo: Formatting changes.
7914 2005-10-21 Akim Demaille <akim@epita.fr>
7916 Finish the transition config -> build-aux.
7917 * configure.ac, Makefile.am: Use build-aux.
7918 * config/prev-version, config/announce-gen, config/Makefile.am:
7920 * build-aux/prev-version, build-aux/announce-gen,
7921 * build-aux/Makefile.am: here.
7923 2005-10-14 Akim Demaille <akim@epita.fr>
7925 * examples/calc++/test: Use set -x only when VERBOSE.
7927 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
7929 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
7930 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
7932 2005-10-13 Akim Demaille <akim@epita.fr>
7934 * src/scan-skel.l: Output the base name parts of the parser and
7936 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
7938 Use this to exercise C++ outputs in subdirs.
7939 Reported by Oleg Smolsky.
7941 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
7943 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
7944 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
7945 Problem reported by John P. Hartmann.
7946 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
7949 2005-10-12 Akim Demaille <akim@epita.fr>
7951 * src/parse-gram.y (version_check): Exit 63 to please missing
7952 (stands for "version mismatch).
7953 * tests/input.at, doc/bison.texinfo: Adjust.
7955 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
7957 Work around portability problems with Visual Age C compiler
7958 (xlc and xlC_r) reported by John P. Hartmann.
7959 * data/location.cc (initial_column, initial_line): Remove.
7960 All uses replaced by 0 and 1.
7961 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
7962 that xlc complains about.
7963 * src/scan-skel.l (skel_wrap): Likewise.
7964 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
7966 * data/yacc.c (YYMODERN_C): New macro, which also looks at
7967 __STDC_VERSION__. Use it everywhere instead of looking at
7968 __STDC__ and __cplusplus.
7970 2005-10-10 Akim Demaille <akim@epita.fr>
7972 * examples/calc++/test: Be quiet unless VERBOSE.
7974 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
7976 * data/c.m4 (yydestruct, yysymprint):
7977 Use YYUSE instead of casting to void.
7978 * data/glr.c (YYUSE): New macro.
7979 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
7980 Use it instead of rolling our own.
7981 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
7983 Use /*CONSTCOND*/ to suppress lint warnings.
7984 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
7985 (YY_STACK_PRINT): Use 'false' not '0'.
7987 (yysymprint_, yydestruct_): Use it instead of rolling our own.
7988 * data/yacc.c (YYUSE): New macro.
7989 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
7990 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
7991 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
7994 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
7995 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
7997 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
7999 Undo the parts of the unlocked-I/O change that substituted
8000 putc or puts for printf. This might hurt performance a bit,
8001 but some people prefer the printf style.
8002 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
8003 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
8004 All uses replaced by YYFPRINTF and YYDPRINTF.
8005 * data/yacc.c: Likewise.
8006 * lib/bitset.c (bitset_print): Likewise.
8007 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
8009 * lib/lbitset.c (debug_lbitset): Likewise.
8010 * src/closure.c (print_firsts, print_fderives): Likewise.
8011 * src/gram.c (grammar_dump): Likewise.
8012 * src/lalr.c (look_ahead_tokens_print): Likewise.
8013 * src/output.c (escaped_output): Likewise.
8014 (user_actions_output): Break apart two printfs.
8015 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
8016 * src/reduce.c (reduce_print): Likewise.
8017 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8018 * src/system.h: Include unlocked-io.h rathe than stdio.h.
8020 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8021 Use assignments rather than casts-to-void to suppress
8022 unused-variable warnings. This pacifies 'lint'.
8023 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
8024 unused-variable warnings.
8026 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8028 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8030 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
8032 Use unlocked I/O for a minor performance improvement on hosts like
8033 GNU/Linux and Solaris that support unlocked I/O. The basic idea
8034 is to use the gnlib unlocked-io module, and to prefer putc and
8035 puts to printf when either will work (since the latter doesn't
8036 come in an unlocked flavor).
8037 * bootstrap (gnulib_modules): Add unlocked-io.
8038 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
8039 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
8040 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
8041 and similarly for puts and putc and printf.
8042 * data/yacc.c: Likewise.
8043 * lib/bitset.c (bitset_print): Likewise.
8044 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
8045 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
8047 * lib/lbitset.c (debug_lbitset): Likewise.
8048 * src/closure.c (print_firsts, print_fderives): Likewise.
8049 * src/gram.c (grammar_dump): Likewise.
8050 * src/lalr.c (look_ahead_tokens_print): Likewise.
8051 * src/output.c (escaped_output): Likewise.
8052 (user_actions_output): Coalesce two printfs.
8053 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
8054 * src/reduce.c (reduce_print): Likewise.
8055 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8056 * src/system.h: Include unlocked-io.h rather than stdio.h.
8058 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
8059 this confuses xgettext.
8061 2005-10-02 Akim Demaille <akim@epita.fr>
8063 * bootstrap (gnulib_modules): Add strverscmp.
8064 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
8065 * m4/.cvsignore: Add strverscmp.m4.
8066 * src/parse-gram.y (%require): New token, new rule.
8067 (version_check): New.
8068 * src/scan-gram.l (%require): Adjust.
8069 * tests/input.at (AT_REQUIRE): New.
8071 * doc/bison.texinfo (Require Decl): New.
8072 (Calc++ Parser): Use %require.
8074 2005-10-02 Akim Demaille <akim@epita.fr>
8076 * data/location.cc: New.
8078 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
8079 Akim Demaille <akim@epita.fr>
8081 Make sure -odir/foo.cc creates dir/location.hh etc.
8082 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
8083 (spec_file_prefix, spec_verbose_file, spec_graph_file)
8084 (spec_defines_file): Now const.
8086 (short_base_name): Remove.
8087 * src/files.c: Adjust.
8088 (dirname.h): Include.
8089 (base_name): Don't prototype it.
8090 (finput): Remove, duplicates gram_in.
8091 (full_base_name, short_base_name): Replace by...
8092 (all_but_ext, all_but_tab_ext): these.
8093 (compute_base_names): Rename as...
8094 (compute_file_name_parts): this.
8095 Update to compute the new variables, including dir_prefix.
8096 Adjust dependencies.
8097 * src/output.c (prepare): Output them.
8098 * src/reader.c: Adjust to use gram_in, not finput.
8099 * src/scan-skel.l (@dir_prefix@): New.
8101 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8103 * lib/subpipe.c: New function end_of_output_subpipe() added
8104 to allow support for non-posix systems. This is a no-op function
8107 * lib/subpipe.h: New function end_of_output_subpipe() added
8108 to allow support for non-posix systems. This is a no-op function
8111 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
8112 handle the lack of pipe/fork functionality on non-posix systems.
8114 * djgpp/Makefile.maint: DJGPP specific file.
8116 * djgpp/README.in: DJGPP specific file.
8118 * djgpp/config.bat: DJGPP specific configuration file.
8120 * djgpp/config.sed: DJGPP specific configuration file.
8122 * djgpp/config.site: DJGPP specific configuration file.
8124 * djgpp/config_h.sed: DJGPP specific configuration file.
8126 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
8128 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
8130 2005-10-02 Akim Demaille <akim@epita.fr>
8132 * data/location.cc: New, extract from...
8133 * data/lalr1.cc: here.
8134 (location.hh): Include it after the user prologue, in case the
8135 filename type is defined by the user.
8136 Forward declation location and position before the pre-prologue.
8137 (yyresult_): Rename as...
8138 (yyresult): this, it's a local variable, not an attribute.
8139 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
8141 2005-10-01 Akim Demaille <akim@epita.fr>
8143 * examples/extexi: Restore the #line generation.
8145 2005-09-30 Akim Demaille <akim@epita.fr>,
8146 Alexandre Duret-Lutz <adl@gnu.org>
8148 Move the token type and YYSTYPE in the parser class.
8149 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
8150 (parser::token): New, from the moved free definition of tokens.
8151 (parser::semantic_value): Now a full definition instead of an
8152 indirection to YYSTYPE.
8153 (b4_post_prologue): No longer included in the header file, but
8154 in the implementation file.
8155 * doc/bison.texi (C+ Language Interface): Update.
8156 * src/parse-gram.y: Support unary %define.
8157 * tests/actions.at: Define global_tokens_and_yystype for backward
8158 compatibility until we update the tests.
8159 * tests/calc.at: Idem.
8160 (first_line, first_column, last_line, last_column): Define for lalr1.cc
8161 to simplify the code.
8163 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
8165 Port to SunOS 4.1.4, which lacks strtoul and strerror.
8166 Ah, the good old days! Problem reported by Peter Klein.
8167 * bootstrap (gnulib_modules): Add strerror, strtoul.
8168 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
8169 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
8171 2005-09-29 Akim Demaille <akim@epita.fr>
8173 * data/c.m4 (b4_error_verbose_if): New.
8174 * data/lalr1.cc: Use it.
8175 (YYERROR_VERBOSE_IF): Remove.
8176 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
8177 parser members, replaced by...
8178 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
8180 (yysyntax_error_): Takes the state number as argument.
8181 (yyreduce_print_): Use the argument yyrule, not the former
8184 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
8186 * bootstrap (gnulib_modules): Add verify.
8187 * lib/.cvsignore: Add verify.h.
8188 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
8189 * src/system.h (verify): Remove.
8190 Include verify.h instead.
8191 * src/tables.c (tables_generate): Use new API for 'verify'.
8193 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
8195 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
8196 local variables whose names begin with 'yy'.
8197 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
8198 Trivial changes from Joel E. Denny.
8200 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
8202 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
8203 don't use alloca any more.
8205 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
8206 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
8207 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
8208 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
8209 to match yacc.c, to test more hosts.
8211 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
8213 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
8214 doesn't affect behavior.
8215 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
8217 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
8218 This works a bit better with glibc, if user code has already included
8220 * doc/bison.texinfo (Bison Parser): Document that users can't
8221 arbitrarily use malloc and free for other purposes. Document
8222 that <alloca.h> and <malloc.h> might be included.
8223 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
8224 user must declare alloca.
8226 * HACKING (release): Forwarn the Translation Project about
8229 2005-09-20 Akim Demaille <akim@epita.fr>
8231 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
8233 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
8235 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
8236 (YYSTACK_ALLOC_MAXIMUM): Use it.
8237 (yysyntax_error): New function.
8238 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
8239 multiple syntax errors are reported, and alloca is being used.
8240 Instead, reallocate buffers twice as big each time, so that
8241 we waste at most half the allocated memory. Start with a small
8242 (128-byte) buffer that will suffice in most cases anyway.
8243 Use yysyntax_error to do most of the work.
8245 * doc/bison.texinfo (Error Reporting, Table of Symbols):
8246 yynerrs is the number of errors reported, not the number of
8249 * tests/glr-regression.at (Duplicated user destructor for lookahead):
8250 Mark it as expected to fail.
8251 Cast result of malloc; problem reported by twlevo@xs4all.nl.
8252 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
8253 Don't start user-code symbols with "yy", to avoid name space problems.
8255 2005-09-19 Akim Demaille <akim@epita.fr>
8257 Remove the traits, failed experiment.
8258 It never proved useful, and anyway because of the current
8259 definition, it was not possible to have several specialization of
8260 this traits, making it useless.
8261 * data/lalr1.cc (yy:traits): Remove.
8262 Inline its definitions in the parser class.
8264 2005-09-19 Akim Demaille <akim@epita.fr>
8266 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
8267 least Mac OSX with a /usr/local install of gettext.
8269 2005-09-19 Akim Demaille <akim@epita.fr>
8271 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
8272 and yytoken for similarity with the other skeletons.
8274 2005-09-19 Akim Demaille <akim@epita.fr>
8276 * NEWS, configure.ac: update version number to 2.1a.
8278 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
8280 * NEWS: Version 2.1.
8282 * NEWS: Remove notice of yytname change, since it was never in an
8284 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
8286 * src/output.c (prepare): Likewise.
8287 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
8288 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
8289 is not defined. This is an awful hack, but it's enough for now.
8290 All callers changed.
8291 * tests/glr-regression-at (make_value): Args are const pointers now,
8292 to avoid GCC warning.
8293 (Duplicated user destructor for lookahead): New test. Currently
8294 skipped. It fails on my host but I'm not sure it'll always fail.
8296 2005-09-16 Akim Demaille <akim@epita.fr>
8298 * src/symtab.h (struct symbol): Declare the printer and destructor
8299 as const, to avoid accidental calls to free.
8300 (symbol_destructor_set, symbol_printer_set): Adjust.
8301 * src/symtab.c: Adjust.
8303 2005-09-16 Akim Demaille <akim@epita.fr>
8305 * data/c.m4 (b4_token_enums): New.
8306 (b4_token_defines): Rename as...
8307 (b4_token_enums_defines): this.
8308 (b4_token_defines): New, output only the #defines.
8309 * data/yacc.c, data/glr.c: Adjust.
8310 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
8311 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
8314 2005-09-16 Akim Demaille <akim@epita.fr>
8316 * data/lalr1.cc (yylex_): Remove, inline its code.
8317 (yyreport_syntax_error_): Remove, replaced by...
8318 (yysyntax_error_): this which returns a string and leaves to the
8319 caller the call to the users' error function.
8320 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
8321 Move from members of the parser object...
8322 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
8323 to local variables of the parse function.
8325 2005-09-16 Akim Demaille <akim@epita.fr>
8327 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
8328 since it's in Bison's name space.
8330 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
8332 * data/glr.c (yyresolveValue): Add default case to pacify
8333 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
8335 * NEWS: Document when yyparse started to return 2.
8336 * doc/bison.texinfo (Parser Function): Document when yyparse
8339 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
8340 (b4_filename_type): Renamed back from b4_file_name_type. All uses
8342 (class position): file_name -> filename (reverting). All uses changed.
8344 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
8346 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
8347 do anything if $@ exists. This reverts part of the 2005-07-07
8350 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
8352 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
8353 contains obsolete information and isn't worth distributing as a
8354 separate file anyway.
8355 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
8356 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
8357 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
8358 (yyparse): Abort if user code uses longjmp to throw an unexpected
8361 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
8363 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
8364 Suggested by twlevo@xs4all.nl.
8366 * data/glr.c (YYCHK1): Do not assume YYE is in range.
8367 This avoids a diagnostic from gcc -Wswitch-enum.
8368 Problem reported by twlevo@xs4all.nl.
8370 * doc/bison.texinfo: Don't use "filename", as per GNU coding
8371 standards. Use "file name" or "file" or "name", depending on
8373 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
8374 not to hack/foo.tab.c.
8375 (Calc++ Top Level): 2nd arg of main is not const.
8376 * data/glr.c: b4_filename -> b4_file_name.
8377 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
8379 (class position): filename -> file_name. All uses changed.
8380 * data/yacc.c: b4_filename -> b4_file_name.
8381 * lib/bitset.h: filename -> file_name in local vars.
8382 * lib/bitset_stats.c: Likewise.
8383 * src/files.c: Likewise.
8384 * src/scan-skel.l ("@output ".*\n): Likewise.
8385 * src/files.c (file_name_split): Renamed from filename_split.
8386 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
8388 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
8390 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
8391 to accommodate latest gnulib.
8393 * tests/glr-regression.at (Duplicate representation of merged trees):
8394 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
8396 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
8399 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
8401 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
8402 All uses changed. Invoke user destructor after an error during a
8403 split parse (trivial change from Joel E. Denny).
8405 * tests/glr-regression.at
8406 (User destructor after an error during a split parse): New test case.
8407 Problem reported by Joel E. Denny in:
8408 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
8410 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
8412 * README-cvs: Give URLs for recommended tools.
8413 Mention Gzip version problem, and bootstrapping issues.
8414 Remove troubleshooting section, as it's somewhat obsolete.
8416 * bootstrap (no_cache): New var, to accommodate different wget
8417 variants. Use it instead of '-C off'. Problem reported by
8420 * data/glr.c (yydestroyStackItem): New function.
8421 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
8422 debugging information. Problem reported by Joel E. Denny.
8424 2005-08-25 Akim Demaille <akim@epita.fr>
8426 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
8428 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
8430 * data/glr.c (yyrecoverSyntaxError, yyreturn):
8431 Don't invoke destructor on unresolved entries.
8432 * tests/glr-regression.at
8433 (User destructor for unresolved GLR semantic value): New test case.
8434 Problem reported by Joel E. Denny in:
8435 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
8437 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
8439 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
8441 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
8442 lib-prefix.m4, po.m4.
8444 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
8445 in yydestruct diagnostic, since it might not be an error.
8446 Problem reported by Joel Denny near end of
8447 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8448 * data/lalr1.cc (yyerturn): Likewise.
8449 * data/yacc.c (yyreturn): Likewise.
8450 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
8452 * src/files.c: Remove obsolete FIXME comment.
8454 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
8455 with the other templates, and to fix bogus run-on messages such
8456 as the one reported at the end of
8457 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8458 All callers changed to avoid the newline.
8459 (yyprocessOneStack): Output two lines rather than one, to accommodate
8460 the above change. This changes the debug output format slightly.
8462 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
8463 reported by Joel E. Denny in
8464 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
8466 * tests/glr-regression.at (Duplicate representation of merged trees):
8467 New test, from Joel E. Denny in:
8468 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
8469 * THANKS: Add Joel E. Denny.
8471 * configure.ac (AC_INIT): Bump to 2.0c.
8473 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
8475 * NEWS: Version 2.0b.
8477 * Makefile.am (SUBDIRS): Put examples before tests, so that
8478 "make check" doesn't finish with "All 1 tests passed".
8480 * tests/regression.at (Token definitions): Don't rely on
8481 AT_PARSER_CHECK for data that contains backslashes. It currently
8482 uses 'echo', and 'echo' isn't portable if its argument contains
8483 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
8484 that the byte '\0xff' is not printable in the C locale; it is,
8485 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
8486 not printable, so use '\0x81' to test.
8488 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
8489 version of GCC, since the macro is used with non-GCC compilers.
8491 Fix core dump reported by Pablo De Napoli in
8492 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
8493 * tests/regression.at (Invalid inputs with {}): New test.
8494 * src/parse-gram.y (token_name): Translate type before using
8497 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
8498 the user's name space. All uses changed to __attribute__
8500 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
8501 Add __attribute__ ((__noreturn__)).
8503 * etc/clcommit: Remove. We weren't using it, and it failed
8504 "make maintainer-distcheck".
8505 * Makefile.maint: Merge from coreutils.
8506 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
8507 (syntax-check-rules): Change list of rules as described below.
8508 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
8509 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
8510 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
8511 (sc_trailing_space): New rules.
8512 (sc_xalloc_h_in_src): Remove.
8513 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
8514 (sc_space_tab, sc_error_exit_success, sc_changelog):
8515 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
8516 (makefile-check, po-check, author_mark_check):
8517 (makefile_path_separator_check, copyright-check):
8518 Use grep -n, to make it easier to find violations.
8519 Use CVS_LIST and CVS_LIST_EXCEPT.
8520 (header_regexp, h_re): Remove.
8522 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
8523 (my-distcheck): Use more-modern GCC flags.
8524 (signatures, %.asc): Remove.
8525 (rel-files, announcement): Remove signatures.
8526 Restore old updating code, even though we don't use it, so
8527 that we're the same as coreutils.
8528 (alpha, beta, major): Depend on news-date-check.
8529 Make the upload commands.
8531 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
8532 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
8533 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
8534 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
8535 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
8536 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
8537 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
8538 * tests/sets.at: Likewise.
8540 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
8541 we comment out the Autoconf version number.
8542 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
8543 it's error-prone and "make maintainer-distcheck" rejects it.
8545 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
8546 Indent calls to "error" to pacify "make maintainer-distcheck",
8547 when the calls are not intended to be translated.
8548 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
8550 * src/Makefile.am (DEFS): Use +=, to pacify
8551 "make maintainer-distcheck".
8552 (bison_SOURCES): Add scan-skel.h.
8553 (sc_tight_scope): New rule, from coreutils.
8555 * src/files.c (src_extension, header_extension):
8556 Now static, not extern.
8557 * src/getargs.c (short_options): Likewise.
8558 * src/muscle_tab.c (muscle_table): Likewise.
8559 * src/parse-gram.y (current_class, current_type, current_prec):
8561 * src/reader.c (grammar_end, previous_rule_end): Likewise.
8562 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
8563 * src/main.c (main): Cast bindtextdomain and textdomain calls to
8564 void, to avoid warning when NLS is disabled.
8565 * src/output.c: Include scan-skel.h.
8566 (scan_skel): Remove decl, since scan-skel.h does this.
8568 Indent calls to "error" to pacify "make maintainer-distcheck".
8569 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
8570 * src/reader.h (gram_end, gram_lineno): New decls to pacify
8571 "make maintainer-distcheck".
8572 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
8573 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
8574 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
8575 (skel_lex_destroy, scan_skel): Move these decls to...
8576 * src/scan-skel.h: New file.
8577 * src/uniqstr.c (uniqstr_assert):
8578 Indent calls to "error" to pacify "make maintainer-distcheck".
8580 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
8583 * tests/torture.at: Revamp to avoid misuse of atoi that
8584 "make maintainer-distcheck" complained about.
8586 * examples/extexi (message): Don't print a message more than once,
8587 and omit line-number decoration that makes Emacs compile think
8588 that informative messages are worth worrying about.
8590 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
8592 * configure.ac: Update version number.
8594 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
8596 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
8597 autogenerated by the maintainer.
8598 * examples/calc++/.cvsignore: Add *.yy.
8600 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
8601 * lib/bitset_stats.c (bitset_stats_init): Likewise.
8602 * lib/bitsetv.c (bitsetv_alloc): Likewise.
8604 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
8606 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
8607 from maintainer-distcheck about casting the argument of 'free'.
8609 * NEWS: Mention recent yytname changes.
8610 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
8612 * bootstrap: For translations that have not yet been upgraded to
8613 the new runtime-po domain, prime the pump by extracting the
8614 relevant strings from the obsolete translations. This code can be
8615 removed once the bison-runtime domain has been translated by each
8618 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
8619 now that token names are already quoted.
8621 Fix problem reported by Anthony Heading.
8622 * data/glr.c (YYTOKEN_TABLE): New macro.
8623 (yytname): Define if YYTOKEN_TABLE.
8624 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
8625 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
8626 (YYERROR_VERBOSE): Define the same way the other skeletons do.
8627 * src/output.c (prepare_symbols): Output token_table_flag.
8629 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
8631 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
8632 again if the first call fails.
8634 * data/glr.c (yytnamerr): New function.
8635 (yyreportSyntaxError): Use it to dequote most string literals.
8636 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
8637 with other skeletons. All uses changed.
8638 (yytnameerr_): New function.
8639 (yyreport_syntax_error): Use it to dequote most string literals.
8640 * data/yacc.c (yytnamerr): New function.
8641 (yyerrlab): Use it to decode most string literals.
8642 * doc/bison.texinfo (Decl Summary, Calling Convention):
8643 Clarify quoting convention of yytname.
8644 * src/output.c (prepare_symbols): Quote all names. This undoes
8645 the 2005-04-17 change, which is now accomplished (mostly) via
8646 changes in the parsers as described above.
8647 * tests/regression.at (Token definitions, Web2c Actions):
8648 Undo most 2005-04-17 change here, too.
8650 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
8652 Fix more problems reported by twlevo@xs4all.nl.
8653 * tests/cxx-type.at: Don't pipe output of ./types through sed to
8654 remove trailing spaces. This loses the exit status of ./types,
8655 and isn't needed since ./types shouldn't be emitting trailing
8657 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
8658 as the stack isn't valid in that case.
8660 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
8661 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
8662 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
8663 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
8665 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
8666 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
8667 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
8670 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
8671 overly-picky compilers that reject 'char *foo = "bar";'.
8673 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
8674 to FILE * parameter, not to stderr. This fixes a typo introduced
8675 in the 2005-07-12 change.
8677 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
8678 warnings from GCC 4.
8680 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
8681 (yyglrShiftDefer, yysplitStack):
8682 Remove unused parameters b4_pure_formals. All uses changed.
8683 (yyglrShift): Remove unused parameters b4_user_formals.
8685 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
8687 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
8689 Destructor cleanups and regularization among the three skeletons.
8690 * NEWS: Document the behavior changes.
8691 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
8692 stack before failing, as the cleanup code will do it for us now.
8693 * data/lalr1.cc (yyerrlab): Likewise.
8694 * data/glr.c (yyparse): Pop everything off the stack before
8695 freeing it, so that destructors get called properly.
8696 * data/lalr1.cc (yyreturn): Likewise.
8697 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
8698 This is more consistent.
8699 * doc/bison.texinfo (Destructor Decl): Mention more reasons
8700 why destructors might be called. 1.875 -> 2.1.
8701 (Destructor Decl, Decl Summary, Table of Symbols):
8702 Some English-language cleanups for %destructor.
8703 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
8704 Add output line for destructor of start symbol.
8705 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
8706 because of that same extra output line.
8708 * NEWS: Document minor wording changes in diagnostics of
8709 Bison-generated parsers.
8710 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
8711 Remove unused formals. All uses changed.
8712 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
8713 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
8714 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
8715 Rename yyoverflowab to yyexhaustedlab.
8716 When memory exhaustion occurs during syntax-error reporting,
8717 report it separately rather than in a single diagnostic; this
8719 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
8720 (Memory Exhausted): Renamed from Parser Stack Overflow.
8721 Revamp wording slightly to prefer "memory exhaustion".
8722 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
8724 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
8726 Add i18n support to the GLR skeleton. Partially fix the C++
8727 skeleton; a C++ expert needs to finish this. Remove debugging
8728 msgids; there's little point to having them translated, since they
8729 can be understood only by someone who can read the
8730 (English-language) source code.
8732 Generate runtime-po/bison-runtime.pot automatically, so that we
8733 don't have to worry about garbage getting in that file. We'll
8734 make sure after the next official release that old msgids don't
8736 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
8738 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
8740 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
8741 Fix typos in explanations of the runtime file.
8742 * bootstrap: Change gettext keyword from YYI18N to YY_.
8743 Use standard Makefile.in.in in runtime-po, since we'll arrange
8744 for backward-compatible bison-runtime.po files in a different way.
8745 * data/glr.c (YY_): New macro, from yacc.c.
8746 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
8747 Translate messages intended for users.
8748 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
8749 the wording in the other skeletons. We don't know that the memory
8751 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
8752 Use same method that yacc.c uses.
8753 Don't translate debugging messages.
8754 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
8755 it doesn't work (yet), and requires C++ expertise to fix.
8756 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
8757 Move defn to a more logical place, to be consistent with other
8759 Don't translate debugging messages.
8760 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
8761 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
8762 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
8763 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
8765 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
8766 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
8768 * tests/glr-regression.at (Badly Collapsed GLR States):
8770 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8771 yylex should return 0 at EOF rather than aborting.
8773 Improve tests for stack overflow in GLR parser.
8774 Problem reported by twlevo@xs4all.nl.
8775 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
8777 (yyStackOverflow): Just longjmp, but with value 2 so that caller
8778 can handle the problem.
8779 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
8780 (yyparse): New local variable yyresult to record the result.
8781 Use result of setjmp to set it, rather than storing itinto
8783 (yyDone): Remove label.
8784 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
8785 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
8786 if YYABORT is used).
8787 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
8788 yyparse status; put status > 1 into diagnostic.
8789 Check that status==2 works.
8790 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
8791 Use exit status 3 for failure to open (which shouldn't happen).
8793 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
8795 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
8796 1 on syntax error; just let yyparse do its thing.
8797 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
8798 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
8799 (Exploding the Stack Size with Alloca):
8800 (Exploding the Stack Size with Malloc):
8801 Expect exit status 2, not 1, since the parser is supposed to blow
8802 its stack. Problem reported by twlevo@xs4all.nl.
8804 * data/glr.c (yyparse): Don't assume that the initial calls
8805 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
8806 Print a stack-overflow message and fail instead.
8807 Initialize the line-number information before creating the stack,
8808 so that the stack-overflow message can report line zero safely.
8810 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
8812 Fix problems reported by twlevo@xs4all.nl.
8813 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
8814 (yyuserMerge): Provide a default case if b4_mergers is empty.
8815 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
8816 * tests/glr-regression.at
8817 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8818 Add casts to pacify C++ compilers.
8819 * tests/glr-regression.at (Improper merging of GLR delayed action
8820 sets): Declare yylex before using it.
8821 * tests/Makefile.am (maintainer-check-g++): Fix a stray
8822 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
8823 test for valgrind; valgrind is independent of g++.
8824 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
8825 for compatibility with POSIX 1003.1-2001 (if running coreutils).
8826 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
8827 Use a destructor, so that we can expand the stack. Change
8828 YYSTYPE to char * so that we can free it. Cast result of malloc.
8830 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
8832 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
8833 a valgrind failure. Problem reported by twlevo@xs4all.nl.
8835 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
8837 * PACKAGING: New file, suggested by Bruno Haible and taken from
8838 similar wording in gettext's PACKAGING file.
8839 * NEWS: Mention PACKAGING.
8840 * Makefile.am (EXTRA_DIST): Add PACKAGING.
8842 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
8844 * NEWS: Document recent i18n improvements.
8845 * bootstrap: Get runtime translations into runtime-po.
8846 Create runtime-po files automatically, if possible.
8847 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
8848 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
8849 does not infringe on the user's name space.
8850 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
8851 * doc/bison.texinfo (Internationalization): Revamp the English
8852 and Texinfo syntax a bit, to try to make it clearer.
8853 (Bison Options, Option Cross Key): Mention --print-localedir.
8854 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
8855 YYENABLE_NLS. Quote a bit more.
8856 * runtime-po/.cvsignore: New file.
8857 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
8858 * runtime-po/Rules-quot: Remove; now created by bootstrap.
8859 * runtime-po/quot.sed: Likewise.
8860 * runtime-po/boldquot.sed: Likewise.
8861 * runtime-po/en@quot.header: Likewise.
8862 * runtime-po/en@boldquot.header: Likewise.
8863 * runtime-po/insert-header.sin: Likewise.
8864 * runtime-po/remove-potcdate.sin: Likewise.
8865 * runtime-po/Makevars: Likewise.
8866 * runtime-po/LINGUAS: Likewise.
8867 * runtime-po/de.po: Likewise; we will rely on the translation project
8868 to maintain this, so "bootstrap" should get it.
8869 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
8871 * src/main.c (main): Bind the bison-runtime domain, too.
8873 2005-07-12 Bruno Haible <bruno@clisp.org>
8875 * data/yacc.c: Include <libintl.h> when NLS is enabled.
8876 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
8877 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
8878 * runtime-po: New directory.
8879 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
8880 $(DOMAIN).pot-update rule, so that old messages are never dropped.
8881 * runtime-po/Rules-quot: New file, copied from po/.
8882 * runtime-po/quot.sed: Likewise.
8883 * runtime-po/boldquot.sed: Likewise.
8884 * runtime-po/en@quot.header: Likewise.
8885 * runtime-po/en@boldquot.header: Likewise.
8886 * runtime-po/insert-header.sin: Likewise.
8887 * runtime-po/remove-potcdate.sin: Likewise.
8888 * runtime-po/Makevars: New file.
8889 * runtime-po/POTFILES.in: New file.
8890 * runtime-po/LINGUAS: New file.
8891 * runtime-po/bison-runtime.pot: New file.
8892 * runtime-po/de.po: New file.
8893 * m4/bison.m4: New file.
8894 * Makefile.am (SUBDIRS): Add runtime-po.
8895 (aclocaldir, aclocal_DATA): New variables.
8896 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
8898 * src/getargs.c (usage): Document --print-localedir option.
8899 (PRINT_LOCALEDIR_OPTION): New enum item.
8900 (long_options): Add --print-localedir option.
8901 (getargs): Handle --print-localedir option.
8902 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
8903 (Internationalization): New section.
8905 2005-07-12 Akim Demaille <akim@epita.fr>
8907 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
8908 for consistency with the rest of the code.
8909 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
8912 2005-07-12 Akim Demaille <akim@epita.fr>
8914 * src/parse-gram.y: Use %printer instead of YYPRINT.
8916 2005-07-12 Akim Demaille <akim@epita.fr>
8918 * src/symtab.h, src/symtab.c (symbol_print): New.
8919 * src/symlist.h, src/symlist.c (symbol_list_print): New.
8920 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
8922 2005-07-12 Akim Demaille <akim@epita.fr>
8924 * data/glr.c (b4_syncline): Fix (swap) the definitions of
8925 b4_at_dollar and b4_dollar_dollar.
8927 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
8929 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
8930 and Pennello's paper.
8932 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
8934 * data/yacc.c (yyparse): Undo previous patch. Instead,
8935 set yylsp[0] and yyvsp[0] only if the initial action
8936 sets yylloc and yylval, respectively.
8938 * data/yacc.c (yyparse): In the initial action, set
8939 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
8940 This avoids the use of undefined variables if the initial
8941 action does not set yylloc and/or yylval.
8943 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
8945 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
8946 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
8947 Remove from CVS. These files are automatically generated.
8948 * examples/extexi: Clarify that this file is now part of Bison,
8949 not GNU M4, and that it works with any POSIX-compatible Awk.
8950 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
8951 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
8952 so that we also get calc++-parser.yy. Geneate it.
8953 Use $(AWK), not gawk, since any conforming Awk will do.
8954 Put comment before action, since older 'make' can't handle comment
8956 $(BUILT_SOURCES): List all built sources, not just some of them.
8957 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
8958 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
8959 $($(calc_sources_generated)): Remove unnecessary test for existence
8960 of target. (This had a shell syntax error anyway; a stray "x".)
8961 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
8963 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
8965 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
8966 implied by the other modules.
8968 2005-07-06 Akim Demaille <akim@epita.fr>
8970 Bind examples/calc++ to the package.
8971 * examples/calc++/Makefile: Remove, replaced by...
8972 * examples/calc++/Makefile.am: ... this new file.
8973 * examples/calc++/test: Remove input.
8974 * examples/calc++/compile: Remove.
8975 * examples/Makefile.am: New.
8976 * configure.ac, Makefile.am: Adjust.
8977 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
8979 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
8981 * data/glr.c (yyFail): Drastically simplify; since the format argument
8982 never had any % directives, we can simply pass it to yyerror.
8983 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
8984 be modified later, as that is the usual style in glr.c.
8985 Problems reported by Paul Hilfinger.
8987 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
8988 and size overflow errors.
8989 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
8990 in case the user prolog sets feature-test macros like _GNU_SOURCE.
8991 (YYSIZEMAX): New macro.
8992 (yystpcpy): New function, taken from yacc.c.
8993 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
8994 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
8995 so that we don't have to maintain their signatures.
8996 (yyFail): Check for buffer overflow, by using vsnprintf rather
8997 than vsprintf. Allocate a bigger buffer if possible.
8998 Report an error if buffer allocation fails.
8999 (yyStackOverflow): New function.
9000 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
9001 the initialization was successful. It might fail if storage was
9003 (yyexpandGLRStack): Add more checks for storage allocation failure.
9004 Use yyStackOverflow to report failures.
9005 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
9006 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
9007 Don't assume stack number fits in int.
9008 (yysplitStack): Check for storage allocation failure.
9009 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
9010 can print diagnostics on storage allocation failure. All callers
9012 (yyresolveValue): Use yybool for boolean.
9013 (yyreportSyntaxError): Check for size-calculation overflow.
9014 This code is taken from yacc.c.
9015 (yyparse): Check for storage allocation errors when allocating
9018 2005-07-05 Akim Demaille <akim@epita.fr>
9020 Extract calc++ from the documentation.
9021 * doc/bison.texinfo (Calc++): Add the extraction marks.
9022 * examples/extexi: New, from the aborted GNU Programming 2E.
9023 Separate the different paragraph of a file with empty lines.
9024 * examples/Makefile: Use it to extract the whole calc++ example.
9026 2005-06-24 Akim Demaille <akim@epita.fr>
9028 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
9031 2005-06-22 Akim Demaille <akim@epita.fr>
9033 * doc/bison.texinfo (C++ Language Interface): First stab.
9034 (C++ Parsers): Remove.
9036 2005-06-22 Akim Demaille <akim@epita.fr>
9038 * data/lalr1.cc (yylex_): Honor %lex-param.
9040 2005-06-22 Akim Demaille <akim@epita.fr>
9042 Start a set of simple examples.
9043 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
9044 * examples/calc++/calc++-driver.hh,
9045 * examples/calc++/calc++-parser.yy,
9046 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
9047 * examples/calc++/compile, examples/calc++/test: New.
9049 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
9051 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
9052 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
9053 which stems from the 2005-05-27 patch.
9055 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9057 * data/glr.c: Modify treatment of unused parameters to permit use
9058 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
9060 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
9062 Fix infringement on user name space reported by Janos Zoltan Szabo.
9063 * data/yacc.c (yyparse): strlen -> yystrlen.
9065 2005-05-30 Akim Demaille <akim@epita.fr>
9067 * data/lalr1.cc (_): New.
9068 Translate the various messages.
9070 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
9072 Fix infringement on user name space reported by Bruno Haible.
9073 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
9074 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
9075 the user's name space.
9076 (alloca): Include <stdlib.h> to get it, if it's not built in.
9077 (YYMALLOC, YYFREE): Define only if needed.
9078 (malloc, free): Declare, but only if needed, as this infringes on
9079 the user name space.
9081 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
9083 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
9084 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
9086 * lib/ebitset.c (min, max): Undef before defining.
9087 * lib/vbitset.c (min, max): Likewise.
9088 * lib/subpipe.c (create_subpipe): Save local variables in case
9089 vfork clobbers them.
9091 2005-05-24 Bruno Haible <bruno@clisp.org>
9093 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
9094 error message syntax used by gcc-4.0.
9096 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
9098 * README: Mention m4 1.4.3. Remove obsolete advice about
9099 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
9101 * bootstrap: Remove workaround for problem I encountered with
9102 gettext 0.14.1; it seems to be fixed now.
9104 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
9106 * NEWS: Version 2.0a.
9108 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
9109 the previous change.
9111 Various maintainer cleanups.
9112 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
9113 conftest*, for benefit of CVS commands run at the same time as
9114 "configure". Add build-aux, since "bootstrap" now creates it and
9116 * Makefile.cfg (move_if_change): Remove.
9117 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
9118 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
9119 (po_repo, do-po-update, po-update, wget_files, get-targets):
9120 (config.guess-url_prefix, config.sub-url_prefix):
9121 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
9122 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
9123 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
9125 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
9126 this is now the recommended name.
9127 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
9128 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
9129 ylwrap. These files now go into build-aux.
9130 * config/move-if-change: Remove.
9131 * config/prev-version.txt: Bump from 1.75 to 2.0.
9133 * bootstrap: Add stdio-safer, unistd-safer modules.
9134 Remove m4/glibc2.m4 (introduced by latest gnulib, but
9136 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
9137 fopen-safer.c, stdio-safer.h, unistd-safer.h.
9138 * lib/subpipe.c: Include "unistd-safer.h".
9139 (create_subpipe): Make sure all the newly-created
9140 file descriptors are > 2, so that diagnostics don't
9141 get sent down them (which might cause Bison to hang, in theory).
9142 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
9143 * src/files.c (xfopen): Use fopen_safer, not fopen.
9145 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
9146 yesterday's yacc.c fix.
9148 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
9150 * data/glr.c, data/lalr1.cc: Update copyright date.
9152 Fix a destructor bug reported by Wolfgang Spraul in
9153 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
9154 * data/yacc.c (yyabortlab): Don't call destructor, and
9155 don't set yychar to EMPTY.
9156 (yyoverflowlab): Don't call destructor.
9157 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
9158 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
9159 since we no longer output the message "discarding lookahead token
9162 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9164 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
9165 fix a small glitch in debugging output.
9166 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
9167 after YY_SYMBOL_PRINT where needed.
9169 (struct yyGLRState): Add some comments.
9170 (struct yySemanticOption): Add some comments.
9171 (union yyGLRStackItem): Add comment.
9173 (yymergeOptionSets): Correct this to properly perform the union,
9174 avoiding infinite reported by Michael Rosien.
9177 * tests/glr-regression.at: Add test for GLR merging error reported
9180 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
9182 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
9183 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
9184 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
9185 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
9186 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
9187 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
9188 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
9189 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
9190 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
9191 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
9192 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
9193 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
9194 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
9195 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
9196 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
9197 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
9198 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
9199 src/derives.h, src/files.c, src/files.h, src/getargs.c,
9200 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
9201 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
9202 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
9203 src/output.h, src/parse-gram.c, src/parse-gram.h,
9204 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
9205 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
9206 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
9207 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
9208 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
9209 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
9210 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
9211 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
9212 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
9213 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
9214 tests/reduce.at, tests/regression.at, tests/sets.at,
9215 tests/synclines.at, tests/testsuite.at, tests/torture.at:
9216 Update FSF postal mail address.
9218 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
9220 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
9221 Problem reported by Ralf Menzel.
9223 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
9225 * tests/actions.at: Test that stack overflow invokes destructors.
9226 From Marcus Holland-Moritz.
9227 * data/yacc.c (yyerrlab): Move the code that destroys the stack
9229 (yyreturn): to here. That way, destructors are called properly
9230 even if the stack overflows, or the user calls YYACCEPT or
9231 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
9232 (yyoverflowlab): Destroy the lookahead.
9234 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
9236 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
9238 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
9240 * NEWS: Bison-generated C parsers no longer quote literal strings
9241 associated with tokens.
9242 * src/output.c (prepare_symbols): Don't escape strings,
9243 since users don't want to see C escapes.
9244 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
9246 * tests/input.at (Torturing the Scanner): Likewise.
9247 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
9249 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
9251 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
9252 the data size is known to be too small and we can't increase it.
9253 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
9255 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
9257 * src/parse-gram.y: Include quotearg.h.
9258 (string_as_id): Quote $1 before using it as a key, since the
9259 lexer no longer quotes it for us.
9260 (string_content): Don't strip quotes, since lexer no longer
9262 * src/scan-gram.l: Include quotearg.h.
9264 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
9265 a key, since the rest of the lexer doesn't quote it.
9266 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
9267 * tests/regression.at (Token definitions): Check for backslashes
9270 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
9271 (YYSIZE_T): Define to unsigned long int when using an older compiler.
9272 (yyparse): Revamp code to generate long syntax error message, to
9273 make it easier to translate, and to avoid problems with arithmetic
9274 overflow. Change "virtual memory" to "memory" in diagnostic, since
9275 we don't know whether the memory is virtual.
9277 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
9279 * NEWS: Bison-generated C parsers now use the _ macro to
9281 * data/yacc.c (_) [!defined _]: New macro.
9282 All English strings wrapped inside this macro.
9283 * doc/bison.texinfo (Bison Parser): Document _.
9284 * po/POTFILES.in: Include src/parse-gram.c, since it now
9285 includes translateable strings that parse-gram.y doesn't.
9287 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
9289 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
9290 reverting the 2004-10-11 change to this function.
9291 (symbol_check_alias_consistency): Don't call symbol_type_set
9292 if the type name is already correct.
9293 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
9295 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
9297 * tests/regression.at (Token definitions): Don't use a token named
9298 c, as that generates a "#define c ..." that runs afoul of buggy
9299 stdlib.h that uses the identifier c as a member of struct
9300 drand48_data. Problem reported by Horst Wente.
9302 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
9304 * bootstrap: Change translation URL from
9305 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
9306 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
9307 redirection glitches. Problem reported by twlevo@xs4all.nl.
9309 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
9311 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
9312 after operands; POSIX says this isn't portable for the c99 command.
9314 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
9316 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
9317 immediately if a data overrun has occurred; this may help us track
9318 down what may be a spurious failure on MacOS.
9320 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
9322 Respond to problems reported by twlevo@xs4all.nl.
9324 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
9326 * src/vcg.h: Comment fix.
9327 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
9328 (G_CMAX): Change to -1 instead of INT_MAX.
9330 * data/yacc.c (yyparse): Omit spaces before #line.
9332 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
9334 * src/tables.c (state_number_to_vector_number): Put it inside an
9335 "#if 0", since it's not currently used. Problem reported by
9338 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
9340 * src/output.c (escaped_output): Renamed from
9341 escaped_file_name_output, since we now use it for symbol tags as
9342 well. All uses changed.
9343 (symbol_destructors_output, symbol_printers_output):
9344 Escape symbol tags too.
9345 Problem reported by Matyas Forstner in
9346 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
9348 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
9350 * src/output.c (user_actions_output, token_definitions_output,
9351 symbol_destructors_output, symbol_printers_output): Likewise.
9352 * src/reader.c (prologue_augment): Likewise.
9353 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
9355 * src/vcg.c (output_edge): Don't quote linestyle arg.
9356 Problem reported by twlevo@xs4all.nl.
9358 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
9360 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
9361 example, reported by Derek M Jones. Also, make the example even
9362 more outrageous, to better illustrate how bad the problem is.
9364 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
9366 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
9367 putsym. Typo reported by Sebastian Piping.
9369 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
9371 * doc/bison.texinfo (Language and Grammar): some -> same
9372 (Epilogue): int he -> in the
9373 Typos reported by Sebastian Piping via Justin Pence.
9375 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
9377 * tests/glr-regression.at (Improper handling of embedded actions
9378 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
9379 embedded actions and $-N in GLR parsers", work around an Autoconf bug
9380 with dollar signs in test names.
9381 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
9382 for a similar reason.
9384 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
9386 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
9387 wants to redefine G_VIEW.
9389 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
9391 * src/vcg.c (get_view_str): Remove case for normal_view.
9392 Problem reported by twlevo@xs4all.nl.
9394 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
9396 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
9397 Problem reported by twlevo@xs4all.nl.
9399 * doc/bison.texinfo: Change @dircategory from "GNU programming
9400 tools" to "Software development". Requested by Richard Stallman
9403 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
9405 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
9406 Problem reported by twlevo@xs4all.nl.
9408 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
9410 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
9411 keyword; it's not needed with modern compilers, and it doesn't
9412 affect correctness with older compilers. Suggested by
9415 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
9417 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
9418 gcc -Wswitch-default.
9419 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
9420 * data/yacc.c (yyparse): Likewise.
9422 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
9424 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
9425 already. Let config.h define any nonstandard values.
9427 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
9429 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
9430 for the benefit of slower hosts. Problem reported by
9433 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
9435 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
9436 being defined and not used.
9437 * data/lalr1.cc (yyparse): Likewise.
9438 Use "if (false)" rather than "if (0)".
9440 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
9442 * TODO: Mention that we should allow NUL bytes in tokens.
9444 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
9446 * src/scan-skel.l (<<EOF>>): Don't close standard output.
9447 Problem reported by Hans Aberg.
9449 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
9451 * src/getargs.c (version): Happy new year; update overall
9452 program copyright date from 2004 to 2005.
9454 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
9455 Problem reported by Hans Aberg.
9456 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
9457 (Output file names.): Add a test for the case when standard output
9460 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
9462 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
9463 to fix an oversight in the Bison 2.0 manual.
9465 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
9467 * NEWS: Version 2.0. Reformat the existing news items since
9468 1.875, so that related items are grouped together.
9469 * configure.ac (AC_INIT): Bump version to 2.0.
9470 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
9472 * tests/torture.at (Exploding the Stack Size with Alloca): Set
9473 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
9474 otherwise, we're not testing alloca. Unfortunately there's no
9475 simple way to consult HAVE_ALLOCA here.
9477 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
9480 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
9481 hand. This avoids a warning about comparing int to size_t when
9482 GCC warnings are enabled.
9484 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
9486 * NEWS: Bison-generated parsers no longer default to using the
9487 alloca function (when available) to extend the parser stack, due
9488 to widespread problems in unchecked stack-overflow detection.
9489 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
9490 responsibility to set it to a positive value. This lets the user
9491 specify a value that is not a preprocessor constant.
9492 * data/yacc.c (YYMAXDEPTH): Likewise.
9493 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
9494 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
9495 to be a compile-time constant. However, explain the constraints on it.
9496 Also, explain the constraints on YYINITDEPTH.
9497 (Table of Symbols): Explain that alloca is no longer the default.
9498 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
9501 * doc/bison.texinfo (Location Default Action): Mention that n must
9502 be zero when k is zero. Suggested by Frank Heckenbach.
9504 2004-12-22 Akim Demaille <akim@epita.fr>
9506 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
9507 (parser::state_type, parser::semantic_type, parser::location_type):
9508 Private, not public.
9509 (parser::parse): Return ints, not bool.
9510 Returning a bool introduces a problem: 0 corresponds to false, and
9511 it seems weird to return false on success. Returning true changes
9512 the conventions for yyparse.
9513 Alternatively we could return void and send an exception.
9514 There is no clear consensus (yet?).
9515 (state_stack, semantic_stack, location_stack): Rename as...
9516 (state_stack_type, semantic_stack_type, location_stack_type): these.
9517 Private, not public.
9518 * tests/c++.at: New.
9519 * tests/testsuite.at, tests/Makefile.am: Adjust.
9521 2004-12-21 Akim Demaille <akim@epita.fr>
9523 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
9525 2004-12-21 Akim Demaille <akim@epita.fr>
9527 Don't impose std::string for filenames.
9529 * data/lalr1.cc (b4_filename_type): New.
9530 (position::filename): Use it.
9531 (parser.hh): Move the inclusion of stack.hh and location.hh below
9532 the user code, so that needed headers for the filename type can be
9534 Forward declare them before the user code.
9535 * tests/Makefile.am (check-local, installcheck-local): Pass
9536 TESTSUITEFLAGS to the TESTSUITE.
9538 2004-12-20 Akim Demaille <akim@epita.fr>
9540 Use more STL like names: my_class instead of MyClass.
9542 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
9543 (SemanticStack, SemanticType, StateStack, StateType)
9544 (TokenNumberType, Stack, Slice, Traits, Parser::location)
9545 (Parser::value): Rename as...
9546 (location_stack, location_type, rhs_number_type, semantic_stack)
9547 (semantic_type, state_stack, state_type, token_number_type, stack)
9548 (slice, traits, parser::yylloc, parser::yylval): these.
9550 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
9552 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
9554 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
9555 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
9557 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
9559 Remove uses of 'short int' and 'unsigned short int'. This raises
9560 some arbitrary limits. It uses more memory but nowadays that's
9561 not much of an issue.
9563 This change does not affect the generated parsers; that's a different
9564 task, as some users will want to conserve memory there.
9566 Ideally we should use size_t to represent all object counts, and
9567 something like ptrdiff_t to represent signed differences of object
9568 counts; but that will require more code-cleanup than I have the
9569 time to do right now.
9571 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
9572 Use size_t, not int or short int, to count objects.
9573 * src/closure.c (nritemset, closure): Likewise.
9574 * src/closure.h (nritemset, closure): Likewise.
9575 * src/nullable.c (nullable_compute): Likewise.
9576 * src/print.c (print_core): Likewise.
9577 * src/print_graph.c (print_core): Likewise.
9578 * src/state.c (state_compare, state_hash): Likewise.
9579 * src/state.h (struct state): Likewise.
9580 * src/tables.c (default_goto, goto_actions): Likewise.
9582 * src/gram.h (rule_number, rule): Use int, not short int.
9583 * src/output.c (prepare_rules): Likewise.
9584 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
9585 errs, reductions): Likewise.
9586 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
9588 * src/tables.c (vector_number, tally, action_number,
9589 ACTION_NUMBER_MINIMUM): Likewise.
9590 * src/output.c (muscle_insert_short_int_table): Remove.
9592 2004-12-17 Akim Demaille <akim@epita.fr>
9594 * data/lalr1.cc: Extensive Doxygenation.
9595 (error_): Rename as...
9596 (error): this, since it is visible to the user.
9598 (Parser::message): Now an automatic variable from...
9599 (Parser::yyreport_syntax_error_): here.
9600 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
9602 * tests/input.at: Escape $.
9604 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
9606 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
9607 Parenthesize rhs to avoid obscure problems with mistakes like
9608 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
9609 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
9610 b4_rhs_location): Likewise.
9611 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
9612 b4_rhs_location): Likewise.
9614 2004-12-16 Akim Demaille <akim@epita.fr>
9616 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
9617 yacc.c: be sure to stay within yycheck_.
9618 * tests/actions.at: Re-enable C++ tests.
9620 2004-12-16 Akim Demaille <akim@epita.fr>
9622 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
9625 2004-12-16 Akim Demaille <akim@epita.fr>
9627 Use #define to handle the %name-prefix.
9629 * data/glr.c, data/yacc.c: Comment changes.
9630 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
9631 so that one can refer to yylex in the parser file, and have it
9632 renamed, as is the case with other skeletons.
9634 2004-12-16 Akim Demaille <akim@epita.fr>
9636 Move lalr1.cc internals into yy*.
9638 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
9639 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
9640 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
9641 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
9642 (empty_, final_, terror_, errcode_, ntokens_)
9643 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
9644 (looka_, ilooka_, error_range_, nerrs_):
9646 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
9647 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
9648 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
9649 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
9650 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
9651 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
9652 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
9653 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
9656 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
9658 Fix some problems reported by twlevo at xs4all.
9659 * src/symtab.c (symbol_new): Report an error if the input grammar
9660 contains too many symbols. This is better than calling abort() later.
9661 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
9662 (struct node, struct graph):
9663 Rename member expand to stretch. All uses changed.
9664 (struct graph): Remove member layoutalgorithm. All uses removed.
9665 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
9666 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
9668 (N_STRETCH): Rename from N_EXPAND. All uses changed.
9670 2004-12-15 Akim Demaille <akim@epita.fr>
9672 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
9673 Add more Doxygen comments.
9674 (symprint_, stack_print_, reduce_print_, destruct_, pop)
9675 (report_syntax_error_, translate_): Rename as...
9676 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
9677 (yypop_, yyreport_syntax_error_, yytranslate_): this.
9679 2004-12-15 Akim Demaille <akim@epita.fr>
9681 * data/lalr1.cc (lex_): Rename as...
9683 Move the trace here.
9684 Take the %name-prefix into account.
9685 Reported by Alexandre Duret-Lutz.
9687 2004-12-15 Akim Demaille <akim@epita.fr>
9689 Simplify the C++ parser constructor.
9691 * data/lalr1.cc (debug_): Rename as...
9692 (yydebug_): so that the parser's internals are always in the yy*
9695 (b4_parse_param_decl): Remove the leading comma as it is now only
9696 called as unique argument list.
9697 (Parser::Parser): Remove the constructor accepting a location and
9698 an initial debugging level.
9699 Remove from the other ctor the argument for the debugging level.
9700 (debug_level_type, debug_level, set_debug_level): New.
9702 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
9705 2004-12-15 Akim Demaille <akim@epita.fr>
9707 Remove b4_root related material: failure experiment
9708 (which goal was to allow to derive from a class).
9710 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
9711 definitions and uses.
9713 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
9715 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
9716 not 2, since it's not portable to subtract 1 from the start of an
9717 array. The new item 0 is never set or used. All uses changed.
9719 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
9720 the default definition of YYLLOC_DEFAULT. Problem reported
9721 by Frank Heckenbach.
9723 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
9725 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
9726 the normal case and one for the error case. Just use the
9727 first one uniformly. Problem reported by Frank Heckenbach.
9728 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
9729 use exactly the same macro in both places.
9730 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
9731 so that the normal-case YYRHSLOC works for the error case too.
9733 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
9734 (YYLLOC_DEFAULT): Use the same macro as glr.c.
9735 * doc/bison.texinfo (Location Default Action): Don't claim that
9736 we have an array of locations. Use the same macro for both glr
9737 and lalr parsers. Mention YYRHSLOC. Mention what happens when
9740 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
9742 * HACKING: Update email addresses to send announcements to.
9744 * configure.ac (AC_INIT): Bump version to 1.875f.
9746 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
9748 * NEWS: Version 1.875e.
9749 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
9751 * src/scan-skel.l: Include "complain.h", for "fatal".
9753 * src/relation.h (relation_print, relation_digraph):
9754 Relation sizes are of type relation_node, not size_t (this is
9755 merely a doc fix, since the two types are equivalent).
9756 (relation_transpose): Relation sizes are of type relation_node,
9758 * src/relation.c: Likewise.
9759 (top, infinity): Now of type relation_node, not int.
9760 (traverse, relation_transpose): Use relation_node, not int.
9762 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
9763 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
9764 (yyparse): Remove unused local introduced in 2004-10-25 patch.
9766 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
9767 specifying whether the test should be skipped. Use it tp
9768 specify that the [%defines %skeleton "lalr1.cc"] tests currently
9769 fail on some hosts, and should be skipped.
9771 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
9773 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
9774 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
9775 unless otherwise specified below.
9777 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
9778 to allocate kernel_base, kernel_items, kernel_size, since
9779 they needn't be initialized to 0.
9780 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
9781 * src/closure.c (new_closure): Likewise, for itemset.
9782 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
9783 * src/lalr.c (set_goto_map): Likewise, for temp_map.
9784 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
9785 (build_relations): Likewise for edge, states1, includes.
9786 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
9787 * src/reader.c (packgram): Likewise, for ritem, rules.
9788 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
9789 * src/relation.c (relation_digraph): Likewise for VERTICES.
9790 (relation_transpose): Likewise for new_R, end_R.
9791 * src/symtab.c (symbols_token_translations_init): Likewise for
9793 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
9794 (token_actions): Likewise for yydefact, actrow, conflrow,
9796 (save_column): Likewise for froms[symno], tos[symno].
9797 (goto_actions): Likewise for state_count.
9798 (pack_table): Likewise for base, pos, check.
9799 (tables_generate): Likewise for width.
9801 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
9802 for initial core. Just have a separate core, so we needn't worry
9803 about whether kernel_size and kernel_base are initialized.
9805 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
9806 kernel_size, kernel_items): Remove unnecessary initialization.
9807 * src/conflicts.c (conflicts): Likewise.
9808 * src/derives.c (derives): Likewise.
9809 * src/muscle_tablc (muscle_insert): Likewise.
9810 * src/relation.c (relation_digraph): Likewise.
9811 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
9812 conflrow, conflict_table, conflict_list, table, check):
9815 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
9816 This is because all callers pass unsigned int.
9817 * src/closure.h (new_closure): Likewise.
9819 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
9820 (build_relations): Initialize includes[i] in all cases.
9821 * src/reader.c (packgram): Always initialize rules[ruleno].prec
9822 and rules[ruleno].precsym. Initialize members in order.
9823 * src/relation.c (relation_transpose): Always initialize new_R[i]
9825 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
9827 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
9828 conflict_list[0] was always 0, but now it isn't initialized.
9830 * src/table.c (table_grow): When conflict_table grew, the grown
9831 area wasn't cleared. Fix this.
9833 * lib/.cvsignore: Add strdup.c, strdup.h.
9834 * m4/.cvsignore: Add strdup.m4.
9836 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
9838 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
9839 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
9840 GOTO_NUMBER_MAXIMUM, since we occasionally compute
9841 ngotos + 1 without checking for overflow.
9842 (build_relations): Use END_NODE, not -1, to denote end of edges.
9843 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
9844 build_relations): Use goto_number, not int, for goto numbers.
9845 * src/tables.c (save_column, default_goto): Likewise.
9847 2004-11-23 Akim Demaille <akim@epita.fr>
9849 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
9850 of #defining from yystype.
9851 Don't typedef yystype, C++ does not need it.
9852 This lets it possible to forward declare it as union.
9854 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
9856 * bootstrap (gnulib_modules): Add extensions.
9857 Problem reported by Jim Meyering.
9859 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
9861 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
9862 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
9863 src/system.h, src/tables.c: XFREE -> free, to accommodate
9864 recent change to gnulib xalloc.h.
9865 Problem reported by Jim Meyering.
9867 2004-11-17 Akim Demaille <akim@epita.fr>
9869 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
9871 2004-11-17 Akim Demaille <akim@epita.fr>,
9872 Alexandre Duret-Lutz <adl@gnu.org>
9874 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
9877 Use it instead of cdebug_.
9878 (Parser::debug_stream, Parser::set_debug_stream): New.
9879 (Parser::symprint_): Define cdebug_ for temporary backward
9881 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
9884 2004-11-17 Akim Demaille <akim@epita.fr>
9886 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
9887 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
9888 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
9889 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
9891 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
9893 * data/glr.c (yyloc_default): Remove; not used.
9894 Problem reported by Frank Heckenbach.
9896 2004-10-25 Akim Demaille <akim@epita.fr>
9898 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
9899 Introduce another definition to address simple location arrays.
9900 (yyGLRStack): New member: yyerror_range.
9901 (yyrecoverSyntaxError, yyparse): Update it.
9902 (yyrecoverSyntaxError): Use it when shifting the error token to
9903 have an accurate range, equivalent to the one computed by both
9904 yacc.c and lalr1.cc.
9905 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
9906 that column numbers start at column 0, as per GNU Coding
9907 Standards, the others tests, and the doc.
9908 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
9909 Adjust to the above change (first column is 0).
9910 And adjust the location of the "<error>", now covering the whole
9913 2004-10-22 Akim Demaille <akim@epita.fr>
9914 and Paul Eggert <eggert@cs.ucla.edu>
9916 Remove some arbitrary limits on goto numbers and relations.
9917 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
9918 initial values, since they're never used.
9919 (set_goto_map): ngotos is now unsigned, so test for overflow
9920 by seeing whether it wraps around to zero.
9921 * src/lalr.h (goto_number): Now size_t, not short int.
9922 (GOTO_NUMBER_MAXIMUM): Remove.
9923 * src/relation.c (relation_print, traverse, relation_transpose):
9924 Check for END_NODE rather than looking at sign.
9925 * src/relation.h (END_NODE): New macro.
9926 (relation_node): Now size_t, not short int.
9928 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
9930 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
9931 keyword, not an identifier. Problem reported by Baron Schwartz in
9932 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
9934 2004-10-11 Akim Demaille <akim@epita.fr>
9936 * src/symtab.c (symbol_check_alias_consistency): Also check
9937 type names, destructors, and printers.
9938 Reported by Alexandre Duret-Lutz.
9939 Recode the handling of associativity and precedence in terms
9940 of symbol_precedence_set.
9941 Accept no redeclaration at all, not even equal to the previous
9943 (redeclaration): New.
9944 Use it to factor redeclaration complaints.
9945 (symbol_make_alias): Don't set the type of the alias, let
9946 symbol_check_alias_consistency do it as for other features.
9947 * src/symtab.h (symbol): Add new member prec_location, and
9949 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
9950 * tests/input.at (Incompatible Aliases): New.
9952 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
9954 .cvsignore fixes to accommodate gnulib changes,
9955 and the practice of naming build directories "_build".
9956 * .cvsignore: Add "_*". Sort.
9957 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
9958 * m4/.cvsignore: Add "*_gl.m4".
9960 2004-10-06 Akim Demaille <akim@epita.fr>
9962 * src/parse-gram.y (add_param): Fix the truncation of trailing
9965 2004-10-05 Akim Demaille <akim@epita.fr>
9967 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
9968 whether the reducion was empty or not. This leaves room to
9969 improve the use of YYLLOC_DEFAULT in such a case.
9970 lalr1.cc is still experimental, so changing this is acceptable.
9971 And finally, there are probably not many users who changed the
9972 handling of locations in GLR, so changing is admissible too.
9974 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
9975 empty reduction, set @$ to an empty location ending the previously
9977 Adjust uses to make sure the code is triggered on empty
9979 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
9980 expected output: empty reductions have empty locations.
9982 2004-09-29 Akim Demaille <akim@epita.fr>
9984 * data/lalr1.cc: Move towards a more standard C++ coding style
9985 for templates: Class < T > -> Class<T>.
9987 2004-09-29 Akim Demaille <akim@epita.fr>
9989 * data/lalr1.cc: Reinstall the former ctor, for sake of
9990 compatibility, but warn it will be removed.
9991 Move towards a more standard C++ coding style (i.e., type *var ->
9994 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
9996 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
9997 since it's less likely to work if NULs are involved in the future.
9999 2004-09-27 Akim Demaille <akim@epita.fr>
10001 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
10003 2004-09-27 Akim Demaille <akim@epita.fr>
10005 * data/lalr1.cc (b4_parse_param_decl_1): New.
10006 (b4_parse_param_decl): Use it to have different names between attribute
10007 and argument names.
10008 (b4_cc_constructor_call): Likewise.
10010 2004-09-24 Akim Demaille <akim@epita.fr>
10012 * src/parse-gram.y (add_param): Strip the leading and trailing
10013 blanks from a formal argument declaration.
10014 (YY_LOCATION_PRINT): New.
10016 2004-09-24 Akim Demaille <akim@epita.fr>
10018 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
10019 after the location.
10021 2004-09-24 Akim Demaille <akim@epita.fr>
10023 * doc/bison.texinfo (Table of Symbols): Sort.
10025 2004-09-21 Akim Demaille <akim@epita.fr>
10027 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
10028 the useless parentheses.
10029 Suggested by Paul Eggert.
10031 2004-09-20 Akim Demaille <akim@epita.fr>
10033 Let the initial-action act on the look-ahead, and use it for the
10034 "initial push" (corresponding to an hypothetical beginning-of-file).
10035 And let lalr1.cc honor %initial-action.
10037 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
10039 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
10040 (Parser::Parser): Remove the ctor that used to initialize it.
10041 (Parser::parse): Like in the other skeletons, issue the "starting
10042 parse" message before any action.
10043 Honor %initial-action.
10044 Initialize the stacks with the lookahead.
10045 * data/yacc.c: Let $$ and @$ in %initial-action designate the
10047 Push them in the stacks.
10048 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
10050 2004-09-20 Akim Demaille <akim@epita.fr>
10052 * doc/bison.texinfo (Initial Action Decl): New.
10054 2004-09-20 Akim Demaille <akim@epita.fr>
10056 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
10057 clearer criterion to define it.
10058 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
10059 When reducing on an empty RHS, use the latest stacked location as
10061 yylloc is not always available.
10062 * data/glr.c: Likewise.
10063 Also, honor initial-actions.
10065 2004-09-20 Akim Demaille <akim@epita.fr>
10067 * data/yacc.c (YY_LOCATION_PRINT): New.
10068 Define when we know YYLTYPE's structure, i.e., when the default
10069 YYLLOC_DEFAULT is used.
10070 * data/c.m4 (b4_yysymprint_generate): Use it.
10071 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
10072 value of the result.
10073 (error_start_): Replace with...
10074 (error_range_): this location array.
10075 This allows to replace code relying on the implementation of
10076 locations by portable code.
10077 * data/yacc.c (yylerrsp): Replace with...
10078 (yyerror_range): this.
10079 Every time a token is popped, update yyerror_range[0], to have an
10080 accurate location for the error token.
10081 * data/glr.c (YY_LOCATION_PRINT): New.
10082 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
10083 deference a pointer.
10084 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
10085 report the location in %printers.
10087 * src/scan-skel.l: Instead of abort, report error messages to ease
10088 understanding skeleton scanning failures.
10090 2004-09-16 Akim Demaille <akim@epita.fr>
10092 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
10093 (iterator, const_iterator): these, to be more in the C++ spirit.
10094 Also, return reverse iterators so that when displaying the stack
10095 we display its bottom first.
10096 (Parser::stack_print_, Parser::reduce_print_): Match the messages
10098 We should probably use vector here though.
10100 2004-09-16 Akim Demaille <akim@epita.fr>
10102 Have more complete shift traces.
10104 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
10105 to report Shifts instead of ad hoc YYDPRINTF invocations,
10106 including for the error token.
10107 * data/lalr1.cc (symprint_): Output the location.
10108 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
10109 output the location within the %printer.
10110 Activate GLR tests, at least to make sure they compile properly.
10111 They still don't pass though.
10112 * tests/calc.at: Adjust expect verbose output, since now "Entering
10113 state..." is on a different line than the "Shifting" message.
10115 2004-09-08 Akim Demaille <akim@epita.fr>
10117 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
10118 Bison directive from the Bison file to the invocation of this
10119 macro, so that these directives are passed to
10120 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
10121 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
10122 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
10123 the extra Bison directives instead of the whole series.
10124 Change the grammar so that there are recoverable errors, and
10125 unrecoverable errors. Now we can have the parser give up before
10126 consuming the whole input. As a result we now can observe that
10127 the lookahead is freed when needed.
10128 Change the parser source to parse argv[1] instead of a hard coded
10130 Simplify yylex, and give a value and location to EOF.
10131 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
10132 passed directives already coded in the file.
10133 Add some tests to check the location of "error".
10134 For some tests, the C++ parser is correct, and not yacc.c.
10135 For other tests, they provide different, but unsatisfying, values,
10136 so keep the C++ value so that at least one parser is "correct"
10137 according to the test suite.
10138 (Actions after errors): Remove, this is subsumed by the
10139 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
10141 2004-09-06 Akim Demaille <akim@epita.fr>
10143 * data/lalr1.cc: Adjust the indentation of the labels.
10144 (Parser::pop): New.
10147 2004-09-06 Akim Demaille <akim@epita.fr>
10149 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
10150 argument, an informative message.
10151 Call YY_SYMBOL_PRINT.
10152 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
10153 * data/lalr1.cc (destruct_): Likewise.
10154 In addition, no longer depend on b4_yysymprint_generate and
10155 b4_yydestruct_generate to generate these functions, do it "by
10158 2004-09-03 Akim Demaille <akim@epita.fr>
10160 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
10161 invoked, yydestruct the lookahead.
10162 * tests/calc.at (Calculator $1): Update the expected lengths of
10163 traces: there is an added line for the discarded lookahead.
10164 * doc/bison.texinfo (Destructor Decl): Some rewording.
10165 Define "discarded" symbols.
10167 2004-09-02 Akim Demaille <akim@epita.fr>
10169 * data/lalr1.cc (translate_, destruct_): No reason to be static.
10171 2004-09-02 Akim Demaille <akim@epita.fr>
10173 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
10174 (YYDSYMPRINTF): Rename as...
10175 (YY_SYMBOL_PRINT): this.
10176 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
10178 Use it instead of direct symprint_ calls.
10179 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
10182 2004-09-02 Akim Demaille <akim@epita.fr>
10184 * data/lalr1.cc (b4_yysymprint_generate): New.
10185 (symprint_): New member function, defined when YYDEBUG.
10186 Use it consistently instead of token/nterm debugging output by
10188 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
10189 %printer calls to use cdebug_ when using lalr1.cc.
10191 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
10193 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
10194 with #ifdef YYDEBUG.
10196 2004-08-26 Akim Demaille <akim@epita.fr>
10198 * doc/bison.texinfo (Implementing Loops): Rename as...
10199 (Implementing Gotos/Loops): this.
10201 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
10203 Adjust to latest gnulib.
10204 * bootstrap (gnulib_modules): Add xalloc-die.
10205 Set LC_ALL=C so that file names sort consistently.
10206 Prefer the gnulib copies of gettext.m4, glibc21.m4,
10207 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
10208 uintmax_t.m4, ulonglong.m4.
10209 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
10210 po.m4 since we are now using _gl.m4 instead.
10212 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
10214 * src/scan-action.l: Remove. Scanning of semantic actions is
10215 handled in scan-gram.l.
10217 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
10219 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
10221 * src/location.h (struct): The file member is a uniqstr.
10222 (equal_boundaries): Use UNIQSTR_EQ for comparison.
10224 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
10226 Fix bug with non-%union parsers that have printers or destructors,
10227 which led to a Bison core dump. Reported by Peter Fales in
10228 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
10230 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
10231 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
10232 not to our own type.
10233 * src/output.c (symbol_destructors_output, symbol_printers_output):
10234 Don't assume %union.
10235 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
10236 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
10237 UNION-FLAG. All callers changed.
10238 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
10239 Use type char, not unsigned int, when declaring an array of char;
10240 this lets us remove a cast.
10241 (Printers and Destructors): Add non-%union test cases.
10243 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10245 * doc/bison.texinfo: Minor editorial changes, mostly to the new
10246 GLR writeups. E.g., avoid frenchspacing and the future tense,
10247 change "lookahead" to "look-ahead", and change "wrt" to "with
10250 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10252 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
10253 New sections, split off from the GLR Parsers section. Put the new
10254 Simple GLR Parser near the start of the GLR section, for clarity.
10255 Rewrite connective text.
10257 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
10259 * doc/bison.texinfo (Simple GLR Parsers): New section.
10261 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10263 * NEWS, TODO, doc/bison.texinfo:
10264 Use "look-ahead" instead of "lookahead", to be consistent.
10265 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
10266 while we're fixing "look-ahead".
10267 * src/conflicts.c (shift_set): Renamed from shiftset.
10268 (look_ahead_set): Renamed from lookaheadset.
10269 * src/print.c: Likewise.
10270 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
10271 name for "lookahead".
10272 (report_types, usage): Likewise.
10273 * src/getargs.h (report_look_ahead_tokens): Renamed from
10275 * src/lalr.c (compute_look_ahead_tokens): Renamed from
10276 compute_lookaheads.
10277 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
10278 (look_ahead_tokens_print): Renamed from lookaheads_print.
10279 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
10280 state_rule_lookaheads_print.
10281 * src/state.h: Likewise.
10282 (reductions.look_ahead_tokens): Renamed from lookaheads.
10283 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
10284 AT_DATA_LOOKAHEADS_GRAMMAR.
10286 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
10288 * README: Update location of patched M4 distribution.
10290 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
10292 Don't assume the C++ compiler takes the same arguments as the C compiler
10294 * configure.ac (O0CXXFLAGS): New var.
10295 * tests/atlocal.in (CXXFLAGS): Use it.
10297 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
10299 Fix some "make check" problems with C++ reported by
10300 Albert Chin-A-Young for Tru64 C++ in this thread:
10301 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
10303 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
10304 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10305 Output to a .cc file for C++, not to a .c file.
10306 * tests/calc.at (AT_CHECK_CALC): Likewise.
10307 * tests/regression.at (AT_CHECK_DANCER): Likewise.
10308 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
10310 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
10312 * tests/calc.at, tests/actions.at: Workaround for SGI
10313 C++ compiler. (trivial change)
10315 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
10317 Spent a few hours checking out which prerequisite versions the
10318 current sources actually require. I went all the way back to
10319 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
10320 a seemingly endless set of combinations of versions more recent
10321 than that. The bottom line is that the current sources require
10322 fairly recent versions of the build tools, and it'll be some work
10324 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
10325 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
10326 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
10327 Add comments explaining why those particular versions are
10330 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
10331 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
10332 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
10334 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
10335 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
10337 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
10339 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
10340 0.11.5. Suggested by Bruno Haible.
10341 * bootstrap: Remove gettext version checking.
10343 * doc/bison.texinfo (Decl Summary): Also mention that %union
10344 can depend on prerequisite types. Problem reported by Tim
10347 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
10349 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
10350 * README-alpha: Don't tell people not to package this.
10352 * bootstrap: Don't assume $(...) works; use `...` instead.
10353 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
10356 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
10357 put into the -d output file, and mention what to do if YYSTYPE is
10358 defined as a macro.
10360 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
10362 Undo change made earlier today: it caused autopoint to not bring
10363 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
10366 * bootstrap: Check that gettext version matches what's in
10367 configure.ac. Warn users to ignore robots.txt ERROR 404.
10368 * bootstrap: Undo today's earlier change (logged below).
10369 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
10371 The gettext version checking is causing more trouble than it's
10372 curing; remove it. Problem reported by Paul Hilfinger.
10374 * bootstrap: Issue a warning that one can expect a message
10375 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
10376 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
10378 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
10380 Ensure that the C++ compiler used for testing actually works on a
10381 simple test program; if not, skip the C++-related tests. Problem
10382 reported by Vin Shelton in:
10383 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
10385 * m4/cxx.m4: New file.
10386 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
10387 * tests/atlocal.in (BISON_CXX_WORKS): Add.
10388 * tests/local.at (AT_COMPILE_CXX): Use it.
10390 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10392 * data/glr.c (yylloc): Output this macro even if locations are not
10393 being generated, as the GLR parser needs it even in that case.
10394 Problem reported by Troy A. Johnson
10395 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
10397 * configure.ac (AC_INIT): Update to 1.875e.
10399 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10401 * NEWS: Version 1.875d.
10402 * configure.ac (AC_INIT): Likewise.
10403 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
10405 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
10406 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
10407 lalr1.cc runs afoul of the first, and the last two are no longer
10408 supported by GCC 3.4.0.
10409 * README: Mention GNU m4 1.4 or later; mention m4 patches.
10410 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
10412 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
10414 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
10415 unsigned int, for compatibility with latest gnulib hash module.
10416 * src/state.c (state_hash, state_hasher): Likewise.
10417 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
10418 * src/uniqstr.c (hash_uniqstr): Likewise.
10420 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
10422 * NEWS: Unescaped newlines are no longer allowed in char & strings.
10424 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
10425 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
10426 character and string literals.
10427 (unexpected_end): New function.
10428 (unexpected_eof): Use it.
10429 (unexpected_newline): New function.
10430 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
10433 * NEWS: Document %expect-rr.
10435 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
10436 Fix typo by replacing $1 with $option.
10437 Remove more 'intl'-related files.
10438 Don't DEFUN AM_INTL_SUBDIR twice.
10440 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
10441 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
10443 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
10444 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
10445 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
10446 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
10447 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
10448 * src/.cvsignore: Add *.output.
10450 * src/parse-gram.y: Put copyright notice inside %{ %} so it
10451 gets copied to the output file.
10453 2004-04-28 Paul Eggert <eggert@twinsun.com>
10455 Get files from the gnulib and po repositories, instead of relying
10456 on them being in our CVS. Upgrade to latest versions of gnulib
10459 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
10460 * bootstrap: Bootstrap from gnulib and po repositories.
10461 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
10462 * README-cvs: Document these changes. Remove version numbers from
10463 mentions of build tools, since they change so often. Mention Flex.
10465 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
10466 (gl_USE_SYSTEM_EXTENSIONS): Add.
10467 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
10468 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
10470 (AC_ISC_POSIX): Remove; we no longer support this
10471 ancient OS, as it gets in the way of latest Autoconf & gnulib.
10472 (AC_HEADER_STDC): Remove: we now assume C89 or better.
10473 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
10474 Do not check for C89 headers, except for locale.h which is used
10475 by the Yacc library and must port to K&R hosts.
10476 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
10477 Do not check for C89 functions, except for setlocale which is
10478 used by the Yacc library.
10479 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
10480 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
10481 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
10482 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
10483 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
10484 AM_GNU_GETTEXT): Remove; now done by:
10485 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
10486 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
10489 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
10490 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
10491 Define to empty, as gnulib.mk will do the rest for us.
10492 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
10494 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
10495 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
10497 * src/files.c: Include gnulib's xstrndup.h.
10499 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
10500 (REALLOC): Use xnrealloc, for likewise.
10501 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
10502 (strnlen, memrchr): Remove decls; functions no longer used.
10503 Include <stpcpy.h>.
10505 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
10506 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
10507 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
10508 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
10509 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
10510 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
10511 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
10512 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
10513 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
10514 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
10515 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
10516 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
10517 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
10518 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
10519 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
10520 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
10521 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
10522 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
10523 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
10524 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
10525 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
10526 Remove, as these files are now generated automatically
10527 by bootstrap or automake.
10529 * po/ChangeLog: Remove: all but one entry was a duplicate
10530 of this file, and I moved that 2000-11-02 entry here.
10532 * config/.cvsignore: Add Makefile, depcomp, install-sh.
10533 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
10534 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
10535 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
10536 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
10537 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
10538 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
10539 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
10540 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
10541 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
10542 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
10544 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
10545 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
10546 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
10547 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
10548 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
10549 * src/.cvsignore: Remove *_.c.
10552 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
10553 support it. (The latest stable gzip doesn't.)
10555 2004-04-27 Paul Eggert <eggert@twinsun.com>
10557 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
10558 case, as stos_ is now used by destructors due to the 2004-02-09
10561 Remove more K&R C support.
10562 * lib/libiberty.y (PARAMS): Remove. All uses removed.
10563 * lib/subpipe.c (errno): Remove decl.
10564 Include <stdlib.h> unconditionally.
10565 (EXIT_FAILURE): Remove macro.
10566 * src/complain.c (vfprintf, strerror): Remove.
10567 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
10569 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
10570 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
10571 (strchr, strspn, memchr): Remove decls.
10572 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
10573 unconditionally. Do not declare perror.
10574 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
10577 * src/complain.c (_): Remove useless defn, as system.h defines this.
10579 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
10580 with latest obstack.h.
10581 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
10582 to procedure types, as obstack.h now does that for us.
10583 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
10585 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
10586 so that this include file can stand alone.
10587 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
10588 does this now. Include subpipe.h first after config.h, to
10589 test whether it can stand alone.
10591 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
10592 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
10593 unused declaration.
10595 * tests/synclines.at (%union synch line): Put a dummy member in
10596 the union, because empty unions aren't allowed in C. Caught
10599 2004-04-13 Jim Meyering <jim@meyering.net>
10601 * src/conflicts.c (conflicts_print): Correct format string typo:
10602 use `%%' to produce literal `%'. (trivial change)
10604 2004-03-30 Paul Eggert <eggert@twinsun.com>
10606 * src/getargs.c (version): Update copyright year to 2004.
10608 * data/c.m4 (b4_int_type): Use 'short int' rather than
10609 'short', and similarly for 'long', 'unsigned', etc.
10610 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
10611 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
10612 yy_yypstack, yydumpstack): Likewise.
10613 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
10614 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
10616 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
10617 yy_stack_print, yyparse): Likewise.
10618 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
10619 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
10620 * lib/bitset.c (bitset_print): Likewise.
10621 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
10622 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
10623 * lib/bitsetv.c (bitsetv_dump): Likewise.
10624 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
10625 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
10627 * src/LR0.c (allocate_itemsets): Likewise.
10628 * src/gram.h (rule_number, rule): Likewise.
10629 * src/lalr.h (goto_number): Likewise.
10630 * src/nullable.c (nullable_compute): Likewise.
10631 * src/output.c (prepare_rules): Likewise.
10632 * src/relation.c (relation_print, relation_digraph): Likewise.
10633 * src/relation.h (relation_node): Likewise.
10634 * src/state.h (state_number, transitions, errs, reductions,
10635 struct state): Likewise.
10636 * src/symtab.h (symbol_number, struct symbol): Likewise.
10637 * src/tables.c (vector_number, tally, action_number,
10638 default_goto, goto_actions): Likewise.
10639 * tests/existing.at (GNU Cim Grammar): Likewise.
10640 * tests/regression.at (Web2c Actions): Likewise.
10642 * src/output.c (muscle_insert_short_int_table): Renamed from
10643 muscle_insert_short_table. All uses changed.
10645 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
10647 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
10648 (declaration): Replace expected_conflicts with expected_sr_conflicts.
10649 Add %expect-rr rule.
10651 * src/scan-gram.l: Recognize %expect-rr.
10653 * src/conflicts.h (expected_sr_conflicts): Rename from
10654 expected_conflicts.
10655 (expected_rr_conflicts): Declare.
10657 * src/conflicts.c (expected_sr_conflicts): Rename from
10658 expected_conflicts.
10659 (expected_rr_conflicts): Define.
10660 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
10662 Use expected_sr_conflicts in place of expected_conflicts.
10663 Warn if expected_rr_conflicts used in non-GLR parser.
10665 * doc/bison.texinfo: Add documentation for %expect-rr.
10667 2004-03-08 Paul Eggert <eggert@gnu.org>
10669 Add support for hex token numbers. Suggested by Odd Arild Olsen in
10670 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
10672 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
10674 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
10675 * src/scan-gram.l (scan_integer): New function.
10677 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
10678 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
10679 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
10680 Say "long int", not "long", for uniformity with GNU style.
10682 2004-02-25 Paul Eggert <eggert@twinsun.com>
10684 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
10685 compilers. This fixes a problem with Intel's C++ compiler being
10686 chatty, reported by Guido Trentalancia in
10687 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
10689 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
10691 Support %destructor and merge error locations in lalr1.cc.
10693 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
10694 (Parser::stos_): Define unconditionally.
10695 (Parser::destruct_): New method. Generate its body with
10696 b4_yydestruct_generate.
10697 (Parser::error_start_): New attribute.
10698 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
10699 token which are discarded.
10700 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
10701 error_start_ when erroneous token are discarded.
10702 (Parser::parse) <yyerrlab1>: Compute the location of the error
10703 token so that it covers all the discarded tokens.
10704 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
10705 it can be called with `%skeleton "lalr1.cc"', and do that.
10707 2004-02-02 Paul Eggert <eggert@twinsun.com>
10709 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
10710 $(top_srcdir)/lib and ../lib. This fixes a bug reported
10711 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
10712 There's no need to mention top_builddir since Automake does that
10714 (INCLUDES): Remove, as Automake says it's obsolescent.
10715 Contents migrated into AM_CPPFLAGS as described above.
10716 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
10718 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10720 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
10721 (yyreportSyntaxError): Handle case where lookahead token is
10724 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10726 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
10727 resulting parsers are compilable with C++.
10729 2003-12-23 Paul Eggert <eggert@twinsun.com>
10731 * config/depcomp, config/install-sh: Sync with Automake 1.8.
10732 * src/output.c (output_skeleton): Rename local var.
10733 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
10734 Bison tokens, as this runs afoul of the 2003-10-07 change that
10735 disallowed NUL bytes in character constants or string literals.
10737 * tests/local.at: Require Autoconf 2.59's Autotest.
10738 * tests/testsuite.at: Don't include local.at, since we now assume
10739 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
10741 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
10742 multiple inclusion warnings.
10744 2003-12-02 Akim Demaille <akim@epita.fr>
10746 * doc/bison.texinfo (How Can I Reset the Parser): More about start
10750 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
10752 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
10754 2003-10-07 Paul Eggert <eggert@twinsun.com>
10756 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
10757 if testsuite doesn't exist.
10759 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
10760 literals, unfortunately.
10761 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
10762 Complain about NUL bytes in character constants or string literals.
10764 2003-10-05 Paul Eggert <eggert@twinsun.com>
10766 * NEWS: Don't document %no-default-prec, as it's still
10768 * doc/bison.texinfo: Document %no-default-prec only if
10769 the defaultprec flag is set. Normally it's not.
10771 2003-10-04 Paul Eggert <eggert@twinsun.com>
10773 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
10774 non-modifiable lvalue, instead of a modifiable one.
10775 * doc/bison.texinfo (Actions): Document that $$ can
10776 be assigned to. Do not claim that $$ and $N are
10777 array element references: user code should not rely on this.
10779 2003-10-01 Paul Eggert <eggert@twinsun.com>
10781 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
10782 (grammar_declaration): Use it.
10783 * src/scan-gram.l: New token %no-default-prec.
10784 * tests/conflicts.at: Revamp tests to use %no-default-prec.
10785 * NEWS, doc/bison.texinfo: Document the above.
10787 2003-10-01 Akim Demaille <akim@epita.fr>
10789 VCG no longer supports long_straight_phase.
10791 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
10792 * src/print_graph.c (print_graph): Adjust.
10794 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
10795 and Paul Eggert <eggert@twinsun.com>
10797 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
10798 Table of Symbols): Document %default-prec.
10799 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
10800 (grammar_declaration): Set default_prec on %default-prec.
10801 * src/scan-gram.l (%default-prec): New token.
10802 * src/reader.h (default_prec): New flag.
10803 * src/reader.c: Likewise.
10804 (packgram): Handle it.
10805 * tests/conflicts.at (%default-prec without %prec,
10806 %default-prec with %prec, %default-prec 1): New tests.
10808 2003-09-30 Paul Eggert <eggert@twinsun.com>
10810 * tests/testsuite.at: Include local.at, not input.at, fixing
10811 a typo in the 2003-08-25 patch.
10813 2003-08-27 Akim Demaille <akim@epita.fr>
10815 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
10818 2003-08-26 Akim Demaille <akim@epita.fr>
10820 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
10821 "<\#" to avoid magic from Gnus when posting parts of this script.
10823 2003-08-26 Akim Demaille <akim@epita.fr>
10825 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
10826 (Parser::parse): here.
10827 Adjust: nerrs and errstatus is now replaced by...
10828 (Parser::nerrs_, Parser::errstatus_): New.
10830 2003-08-25 Akim Demaille <akim@epita.fr>
10832 * config/announce-gen, Makefile.cfg: New.
10833 * Makefile.am: Adjust.
10834 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
10835 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
10837 2003-08-25 Akim Demaille <akim@epita.fr>
10839 When reducing initial empty rules, Bison parser read an initial
10840 location that is not defined. This results in garbage, and that
10841 affects Bison's own parser. Therefore we need (i) to extend Bison
10842 to support a means to initialize this location, and (ii) to use
10843 this CVS Bison to fix CVS Bison's parser.
10845 * src/reader.h, reader.c (epilogue_augment): Remove, replace
10847 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
10848 * src/parse-gram.y: Adjust.
10849 (%initial-action): New.
10850 (%error-verbose): Since we require CVS Bison, there is no reason
10852 * src/scan-gram.l: Adjust.
10853 * src/Makefile.am (YACC): New, to make sure we use our own parser.
10854 * data/yacc.c (yyparse): Use b4_initial_action.
10856 2003-08-25 Akim Demaille <akim@epita.fr>
10858 * doc/bison.texinfo: Don't promote stdout for error messages.
10860 2003-08-25 Akim Demaille <akim@epita.fr>
10862 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
10863 From Alexandre Duret-Lutz.
10865 2003-08-25 Akim Demaille <akim@epita.fr>
10869 2003-08-25 Akim Demaille <akim@epita.fr>
10871 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
10874 2003-08-25 Akim Demaille <akim@epita.fr>
10876 * data/lalr1.cc (Parser::reduce_print_): New.
10879 2003-08-25 Akim Demaille <akim@epita.fr>
10881 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
10882 error recovery loops. This patch is based on
10883 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
10884 Also, augment the similarity between lalr1.cc and yacc.c.
10885 Note: the locations of error recovery rules are not correct yet.
10887 * data/lalr1.cc: Comment changes to augment the similarity between
10888 lalr1.cc and yacc.c.
10889 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
10890 (yyerrlab1): Remove, but where it used to be (now the bottom part of
10891 yyerrlab), when hitting EOF, pop the whole stack here instead of
10892 merely falling thru the default error handling mechanism.
10893 (yyerrorlab): New label, with the old contents of YYERROR,
10894 plus the following change: pop the stack of rhs corresponding
10895 to the production that invoked YYERROR. That is how Yacc
10896 behaves (required by POSIX).
10897 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
10900 2003-08-25 Akim Demaille <akim@epita.fr>
10902 Tune local.at so that people can "autom4te -l autotest calc.at -o
10903 calc" for instance, to extract a sub test suite.
10905 * tests/testsuite.at: Move the initialization, Autotest version
10906 requirement, and AT_TESTED invocation into...
10907 * tests/local.at: here.
10908 * tests/testsuite.at: Include it for compatibility with Autoconf
10910 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
10913 2003-08-04 Paul Eggert <eggert@twinsun.com>
10915 Rework code slightly to avoid gcc -Wtraditional warnings.
10916 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
10917 The returned value is now stored in *YY0. All callers changed.
10918 * src/output.c (merge_output): Adjust to the above change.
10920 2003-07-26 Paul Eggert <eggert@twinsun.com>
10922 * data/glr.c (YYASSERT): New macro.
10923 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
10924 yyresolveStates, yyprocessOneStack):
10925 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
10926 Derived from a suggestion by Frank Heckenbach.
10928 2003-07-25 Paul Eggert <eggert@twinsun.com>
10930 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
10931 for portability to K&R C (after ansi2knr, presumably). See
10932 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
10933 by Frank Heckenbach, though I have omitted the structure-initialization
10934 part of his glr-knr.diff patch since I recall that the Portable
10935 C Compiler didn't require that change.
10937 Let the user specify how to allocate and free memory.
10938 Derived from a suggestion by Frank Heckenbach in
10939 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
10940 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
10941 All uses of free, malloc, realloc changed to use these macros,
10942 and unnecessary casts removed.
10943 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
10945 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
10947 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
10948 use s.empty() rather than s == "" to test for empty string; see
10949 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
10952 2003-06-25 Akim Demaille <akim@epita.fr>
10954 * config/depcomp, config/install-sh: Update from masters.
10956 2003-06-20 Paul Eggert <eggert@twinsun.com>
10958 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
10959 and return properly parenthesized result.
10960 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
10961 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
10962 Remove unnecessary parentheses from uses.
10963 * doc/bison.texinfo (Location Default Action): Describe the
10964 conventions for parentheses.
10966 2003-06-19 Paul Eggert <eggert@twinsun.com>
10968 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
10969 yyreportTree): Do not assume that size_t is the same width as int,
10970 when printing sizes. Print sizes using an unsigned format.
10971 Problem reported by Frank Heckenbach in
10972 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
10974 Port to Forte Developer 7 C compiler.
10975 * data/glr.c (struct YYLTYPE): If locations are not being used,
10976 declare a single dummy member, as empty structs do not conform
10978 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
10979 the Forte Developer 7 C compiler complains that end-of-loop
10980 code is not reached.
10982 2003-06-17 Paul Eggert <eggert@twinsun.com>
10984 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
10985 avoid warnings from picky compilers about redefinition of PARAMS.
10987 2003-06-17 Paul Eggert <eggert@twinsun.com>
10991 * NEWS: Document 1.875b.
10993 * lib/bbitset.h: Do not include config.h; that's the includer's job.
10994 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
10995 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
10996 Don't use 'index' in comments, as it's a builtin fn on some hosts.
10997 * lib/bitset_stats.c: Include gettext.h unconditionally, as
10998 per recent gettext manual's suggestion.
10999 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
11000 Use prototypes, not old-style definitions.
11001 * lib/lbitset.c (lbitset_unused_clear): Likewise.
11002 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
11003 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
11004 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
11005 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
11006 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
11007 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
11008 vbitset_or_and_cmp, vbitset_copy): Likewise.
11010 * lib/libiberty.h: Do not include config.h; that's the includer's job.
11011 Do not include <stdlib.h>.
11012 (PARAMS): Define unconditionally for C89.
11013 (ATTRIBUTE_NORETURN): Remove.
11014 (ATTRIBUTE_UNUSED): Define unconditionally.
11016 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
11017 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
11018 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
11019 * lib/vbitset.c, lib/vbitset.h: New files.
11020 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11021 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
11024 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
11025 `How Can I Reset @code{yyparse}', since texinfo does not allow
11026 arbitrary @ in node names.
11028 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
11029 shouldn't be needed according to the gettext 0.12.1 documentation
11030 but which seem to be needed anyway: codeset.m4 glibc21.m4
11031 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
11032 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
11033 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
11035 * lib/.cvsignore: Add stdbool.h.
11036 * m4/.cvsignore: Add nls.m4, po.m4.
11038 Upgrade to CVS gnulib.
11039 * stdbool_.h: File renamed from stdbool.h.in.
11040 * configure.ac (AM_STDBOOL_H): Invoke this instead of
11042 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
11043 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
11044 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
11045 (MOSTLYCLEANFILES): New var.
11046 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
11047 (stdbool.h): New rule.
11048 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
11049 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
11050 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
11051 m4/quote.m4: Upgrade to today's gnulib.
11053 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
11054 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
11055 the tests right now.
11056 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
11057 yyerror are declared before use; C99 requires this.
11059 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11061 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
11063 (yyrecoverSyntaxError): Correct the logic for setting and testing
11065 Correct comment on handling EOF.
11066 Allow states with only a default reduction, rather than failing
11067 (I can't quite reconstruct why these were not allowed before).
11069 Fixes to avoid problem that $-N rules in GLR parsers can cause
11070 buffer overruns, corrupting state.
11072 * src/output.c (prepare_rules): Output max_left_semantic_context
11074 * src/reader.h (max_left_semantic_context): New variable declaration.
11075 * src/scan-gram.l (max_left_semantic_context): Define.
11076 (handle_action_dollar): Update max_left_semantic_context.
11077 * data/glr.c (YYMAXLEFT): New definition.
11078 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
11079 (yyresolveAction): Ditto.
11081 Fixes to problems with location handling in GLR parsers reported by
11082 Frank Heckenbach (2003/06/05).
11084 * data/glr.c (YYLTYPE): Make trivial if locations not used.
11085 (YYRHSLOC): Add parentheses, and define only if locations used.
11086 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
11087 locations not used.
11088 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
11089 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
11091 * tests/cxx-type.at: Exercise location information; update tests
11092 to differentiate output with and without locations.
11093 Remove forward declarations of yylex and yyerror---caused errors
11094 because default YYLTYPE not yet defined.
11095 Change semantic actions to compute strings, rather than printing
11096 them directly (to test proper passing of semantics values). Change
11097 output to prefix notation and update test data and expected results.
11098 (yylex): Track locations.
11099 (stmtMerge): Return value rather than printing, and include arguments
11102 2003-06-03 Paul Eggert <eggert@twinsun.com>
11104 Avoid warnings generated by GCC 2.95.4 when Bison is
11105 configured with --enable-gcc-warnings.
11106 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
11107 yy::]b4_parser_class_name[::translate_,
11108 yy::Stack::operator[] (unsigned),
11109 yy::Stack::operator[] (unsigned) const,
11110 yy::Slice::operator[] (unsigned),
11111 yy::Slice::operator[] (unsigned) const):
11112 Rename local vars to avoid warnings.
11113 * tests/glr-regression.at (Improper handling of embedded actions
11114 and $-N in GLR parsers): Remove unused local variable from yylex.
11115 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
11116 (void) as arg when not pure, since we now assume C89 when building
11117 Bison. Pacify GCC by using parameter.
11119 2003-06-02 Paul Eggert <eggert@twinsun.com>
11121 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
11122 yy::Location::lines, yy::Location::columns): Rename arguments
11123 to avoid shadowing; this removes a warning generated by GCC 3.3.
11125 2003-06-01 Paul Eggert <eggert@twinsun.com>
11127 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
11128 to g++, as GCC 3.3 complains if you do it.
11129 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
11130 everything that WARNING_CFLAGS has, except omit warnings
11131 not suitable for C++.
11132 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
11133 * tests/atlocal.in (CXXFLAGS): New var.
11134 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
11136 Fix a GLR parser bug I reported in February; see
11137 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
11138 The problem was that GLR parsers did not conform to the C standard,
11139 because actions like { $1 = $2 + $3; } expanded to expressions
11140 that invoked YYFILL in separate subexpressions, and YYFILL assigned
11141 to a local variable. The C standard says that expressions
11142 like (var = f ()) + (var = f ()) have undefined behavior.
11143 Another problem was that GCC sometimes issues warnings that
11144 yyfill and its parameters are unused.
11146 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
11147 as possibly unused.
11148 (yyfill): New function.
11150 (yyuserAction): Change type of yynormal to bool, so that it matches
11151 the new yyfill signature. Mark it as possibly unused.
11154 Follow up on a bug I reported in February, where a Bison-generated
11155 parser can loop. Provide a test case and a fix for yacc.c. I
11156 don't have a fix for lalr1.cc or for glr.c, unfortunately.
11157 The original bug report is in:
11158 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
11160 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
11161 macro's size was becoming unwieldy.
11162 (yyerrlab): Do not discard an empty lookahead symbol, as this
11163 might destroy garbage.
11164 (yyerrorlab): New label, with the old contents of YYERROR,
11165 plus the following change: pop the stack of rhs corresponding
11166 to the production that invoked YYERROR. That is how Yacc
11167 behaves, and POSIX requires this behavior.
11168 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
11169 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
11170 Define 'alarm' to do nothing if unistd.h is not available.
11171 Add a new rule "exp: '-' error;" to test the above change to
11172 data/yacc.c. Use 'alarm' to abort any test taking longer than
11173 10 seconds, as it's probably looping.
11174 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
11175 Also, the new yacc.c generates two fewer diagnostics for an
11178 2003-05-24 Paul Eggert <eggert@twinsun.com>
11180 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
11181 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
11182 This fixes a problem reported by John Bowman when the Compaq/HP
11183 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
11184 -ansi -Wall -gall).
11185 * data/yacc.c (union yyalloc): Likewise.
11186 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
11188 Switch from 'int' to 'bool' where that makes sense.
11190 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
11191 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
11192 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
11193 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
11194 Return or accept bool, not int. All callers changed.
11195 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
11196 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
11197 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
11198 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
11199 bitset_or_and_cmp_): Likewise.
11200 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
11201 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
11202 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
11203 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
11204 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
11205 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
11206 bitset_stats_or_and_cmp): Likewise.
11207 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
11208 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
11209 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
11210 ebitset_xor_cmp): Likewise.
11211 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
11212 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
11213 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
11214 lbitset_xor_cmp): Likewise.
11215 * lib/bbitset.h: Include <stdbool.h>.
11216 (struct bitset_vtable): The following members now return bool, not
11217 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
11218 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
11220 * src/conflicts.c (count_rr_conflicts): Likewise.
11221 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
11223 * lib/ebitset.c (ebitset_obstack_init): Likewise.
11224 * lib/lbitset.c (lbitset_obstack_init): Likewise.
11225 * src/getargs.c (debug_flag, defines_flag, locations_flag,
11226 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11227 graph_flag): Likewise.
11228 * src/getargs.h (debug_flag, defines_flag, locations_flag,
11229 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11230 graph_flag): Likewise.
11231 * src/output.c (error_verbose): Likewise.
11232 * src/output.h (error_verbose): Likewise.
11233 * src/reader.c (start_flag, typed): Likewise.
11234 * src/reader.h (typed): Likewise.
11235 * src/getargs.c (LOCATIONS_OPTION): New constant.
11236 (long_options, getargs): Use it.
11237 * src/lalr.c (build_relations): Use bool, not int.
11238 * src/nullable.c (nullable_compute): Likewise.
11239 * src/print.c (print_reductions): Likewise.
11240 * src/tables.c (action_row, pack_vector): Likewise.
11241 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
11242 * src/output.c (prepare): Use it.
11243 * src/output.c (token_definitions_output,
11244 symbol_destructors_output, symbol_destructors_output): Use string,
11245 not boolean integer, to keep track of whether to output separator.
11246 * src/print_graph.c (print_core): Likewise.
11247 * src/state.c (state_rule_lookaheads_print): Likewise.
11249 * config/install-sh: Sync from automake 1.7.5.
11251 2003-05-14 Paul Eggert <eggert@twinsun.com>
11253 * src/parse-gram.y (rules_or_grammar_declaration): Require a
11254 semicolon after a grammar declaration, in the interest of possible
11255 future changes to the Bison input language.
11256 Do not allow a stray semicolon at the start of the grammar.
11257 (rhses.1): Allow one or more semicolons after any rule, including
11258 just before "|" as required by POSIX.
11259 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
11262 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
11264 %parse-param support for lalr1.cc.
11266 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
11267 b4_cc_constructor_calls, b4_cc_constructor_call,
11268 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
11270 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
11271 parse-param arguments.
11272 (yy::b4_parser_class_name): Declare instance variables to
11273 hold parse-param arguments.
11274 * tests/calc.at: s/value/semantic_value/ because value clashes
11275 with a member of yy::b4_parser_class_name. Adjust C++ code
11276 to handle %parse-param. Enable %parse-param test in C++.
11278 2003-05-12 Paul Eggert <eggert@twinsun.com>
11280 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
11281 English a bit. Fix fclose typo. Change "const char" to "char
11282 const", and use ANSI C rather than K&R for "main". Suggest
11283 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
11284 and suggest yy_switch_to_buffer.
11286 2003-05-05 Paul Eggert <eggert@twinsun.com>
11288 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
11289 C89. This avoids a diagnostic on compilers that define __STDC__
11290 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
11291 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11293 2003-05-03 Paul Eggert <eggert@twinsun.com>
11295 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
11296 Do not overrun array bounds.
11297 This should fix a bug reported today by Olatunji Oluwabukunmi in
11298 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
11300 2003-04-29 Akim Demaille <akim@epita.fr>
11302 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
11303 * src/getargs.c, src/getargs.h: here, as bool, not int.
11304 (nondeterministic_parser): New.
11305 * src/parse-gram.y, src/scan-gram.l: Support
11306 %nondeterministic-parser.
11307 * src/output.c (prepare): Use nondeterministic_parser instead
11308 of glr_parser where appropriate.
11309 * src/tables.c (conflict_row, action_row, save_row)
11310 (token_actions, token_actions, pack_vector): Ditto.
11312 2003-04-29 Akim Demaille <akim@epita.fr>
11314 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
11316 2003-04-29 Akim Demaille <akim@epita.fr>
11318 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
11319 with %pure-parser and %locations to exercise the patch from Yakov
11322 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
11324 * data/yacc.c: (b4_lex_param): Corrected for the case where
11325 %lex-param is provided and %pure-parser isn't.
11327 2003-04-27 Paul Eggert <eggert@twinsun.com>
11329 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
11330 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
11331 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
11332 if it is not defined.
11333 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
11335 2003-04-26 Paul Eggert <eggert@twinsun.com>
11337 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
11338 Declare to be of type suitable for the ninf value itself, not of
11339 type suitable for the corresponding table, since the latter might
11340 be unsigned but the ninf value might be negative. This fixes a
11341 bug reported by Alexandre Duret-Lutz in
11342 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
11344 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
11345 invokes it. We shouldn't invoke it twice because it will attempt
11346 to put error.o in the archive twice. This fixes a glitch reported
11347 by Martin Mokrejs in
11348 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11350 2003-04-21 Paul Eggert <eggert@twinsun.com>
11352 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
11355 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
11357 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
11358 Fix obvious typo that results in uncompilable GLR parsers
11359 when both %pure-parser and %locations are used. (trivial change)
11361 2003-04-17 Paul Eggert <eggert@twinsun.com>
11363 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
11364 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
11365 Do not insert the expected token via unput, as this runs afoul
11366 of a POSIX-compatibility bug in flex 2.5.31.
11367 All uses changed to BEGIN the parent state,
11368 since we no longer insert the expected token via unput.
11369 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
11370 that is no longer emitted after the above change.
11372 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
11373 the first one. This change is from Paul Hilfinger, and it fixes
11374 regression reported by Werner Lemberg in
11375 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
11377 (resolve_sr_conflict): Don't invoke state_errs_set
11378 unless one or more tokens have been explicitly made errors.
11379 Otherwise, the above change causes Bison to abort.
11381 * tests/existing.at (GNU pic Grammar): New test case, taken from
11384 2003-03-31 Akim Demaille <akim@epita.fr>
11386 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
11388 2003-03-31 Akim Demaille <akim@epita.fr>
11390 * src/output.c (prepare_symbols): Avoid trailing spaces in the
11393 2003-03-31 Akim Demaille <akim@epita.fr>
11395 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
11396 From Paul Hilfinger.
11398 2003-03-29 Akim Demaille <akim@epita.fr>
11400 * m4/error.m4: Do not put under dynamic conditions some code which
11401 expansion is under static control.
11403 2003-03-29 Akim Demaille <akim@epita.fr>
11405 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
11407 2003-03-29 Akim Demaille <akim@epita.fr>
11409 * doc/bison.texinfo (Strings are Destroyed): New.
11411 2003-03-13 Paul Eggert <eggert@twinsun.com>
11413 * .cvsignore: Add configure.lineno.
11414 * src/.cvsignore: Add yacc.
11415 * tests/.cvsignore: Add testsuite.log.
11416 * doc/fdl.texi: Sync with latest FSF version.
11418 2003-03-12 Paul Eggert <eggert@twinsun.com>
11420 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
11421 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
11422 cursor, instead of leaving it undefined. This fixes a bug
11423 reported by Tim Van Holder in
11424 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
11425 * tests/input.at (Torturing the Scanner): Test the scanner on
11426 an empty input file, which was Tim Van Holder's test case.
11428 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
11429 <sys/resource.h> can be included, include sys/time.h and
11430 sys/times.h first, if available. This works around the SunOS
11431 4.1.4 porting bug reported by Bruce Becker in
11432 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
11434 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
11435 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
11436 AC_HEADER_SYS_WAIT.
11438 Merge changes from gnulib. This was prompted because the CVS
11439 snapshot didn't build on Solaris 7 due to strnlen problems.
11441 These changes need to be merged back into gnulib:
11442 * lib/hash.c: Include <stdbool.h> unconditionally.
11443 * m4/onceonly.m4 (m4_quote): New macro.
11444 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
11445 Quote AC_FOREACH variable-expansions properly.
11446 The 2003-01-03 obstack.h change also needs merging.
11447 {end of changes requiring merging}
11449 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11450 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
11451 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
11452 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
11453 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
11454 New files, imported from gnulib.
11455 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
11458 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
11459 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
11462 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
11464 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
11465 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
11466 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
11467 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
11468 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
11469 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
11470 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
11471 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
11472 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
11473 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
11474 (jm_PREREQ_ARGMATCH): Remove.
11475 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
11476 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
11478 * src/system.h: Include <stdbool.h> unconditionally.
11480 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
11481 assuming at least C89 in the bitset code for some time now.
11483 2003-03-03 Akim Demaille <akim@epita.fr>
11487 2003-03-02 Akim Demaille <akim@epita.fr>
11489 * doc/bison.texinfo (Table of Symbols): Reactivate the
11490 documentation for %lex-param, and %parse-param.
11492 2003-03-02 Akim Demaille <akim@epita.fr>
11494 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
11495 generate verbose error messages.
11496 Use the number of tokens as an upper bound in yytname, as it
11497 cannot be a non terminal.
11499 2003-03-02 Akim Demaille <akim@epita.fr>
11501 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
11504 2003-03-02 Akim Demaille <akim@epita.fr>
11506 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
11507 Use them to exercise yycheck overrun.
11508 Based on Andrew Suffield's grammar.
11510 2003-03-02 Akim Demaille <akim@epita.fr>
11512 Create tests/local.at for Bison generic testing macros.
11514 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
11515 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
11517 * tests/calc.at (AT_CHECK_CALC): Adjust.
11518 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
11519 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
11520 * tests/local.at: here.
11521 (AT_COMPILE_CXX): Tags the tests using it as c++.
11522 Ignore the test if CXX is not functional.
11524 2003-03-01 Paul Eggert <eggert@twinsun.com>
11526 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
11527 not loc->end, since loc->end might contain garbage and this leads
11528 to undefined behavior on some platforms.
11529 (id_loc, token_start): Use (IF_LINTed) initial values that do not
11530 depend on *loc, so that the reader doesn't give the the false
11531 impression that *loc is initialized.
11532 (<INITIAL>"%%"): Do not bother setting code_start, since its value
11533 does not survive the return.
11535 2003-03-01 Akim Demaille <akim@epita.fr>
11537 * src/scan-gram.l (code_start): Always initialize it when entering
11538 into yylex, as SC_EPILOGUE is activated *before* the corresponding
11539 yylex invocation. An alternative would be making it static, but
11540 then it starts with the second %%'s beginning, instead of its end.
11542 2003-02-28 Paul Eggert <eggert@twinsun.com>
11544 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
11545 around a UnixWare 7.1.1 porting bug reported by John Hughes in
11546 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
11548 2003-02-26 Paul Eggert <eggert@twinsun.com>
11550 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
11551 Remove Sequent/Pyramid discussion (nobody uses them any more).
11552 Merge VMS and MS-DOS discussion; these ports may well be dead
11553 but let's keep mentioning them for now. Put <> around email
11554 addresses. Add copyright notice.
11556 2003-02-24 Paul Eggert <eggert@twinsun.com>
11558 * data/glr.c (yy_reduce_print): yylineno -> yylno,
11559 to avoid collision with flex use of yylineno.
11560 Problem reported by Bruce Lilly in
11561 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
11562 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
11563 * data/yacc.c (yy_reduce_print): Likewise.
11565 * config/depcomp: Sync with Automake 1.7.3.
11567 2003-02-21 Akim Demaille <akim@epita.fr>
11569 * data/lalr1.cc: Use temporary variables instead of casts to
11570 change integer types.
11571 Suggested by Paul Eggert.
11573 2003-02-21 Akim Demaille <akim@epita.fr>
11575 * doc/bison.texinfo: Use "location" consistently to refer to @n,
11576 to avoid confusions with lalr1.cc's notion of Position.
11577 Suggested by Paul Eggert.
11579 2003-02-20 Akim Demaille <akim@epita.fr>
11581 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
11582 before initial_columns.
11583 (location.hh): Use consistent variable names when defining the
11585 Use "last" so that we subtract from Positions, not from unsigned.
11587 2003-02-20 Akim Demaille <akim@epita.fr>
11589 * data/lalr1.cc (position.hh): New subfile, including the extended
11590 and Doxygen'ed documentation of class Position.
11591 (location.hh): Use it.
11592 Document a` la Doxygen.
11593 With the help of Benoit Perrot.
11595 2003-02-20 Akim Demaille <akim@epita.fr>
11597 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
11599 Redefine AT_YYERROR_SEES_LOC_IF using it.
11600 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
11602 Don't use the location in yy::Parser::error_ and
11603 yy::Parser::print_ when not %locations.
11604 Activate more lalr1.cc tests.
11606 2003-02-19 Akim Demaille <akim@epita.fr>
11608 * data/lalr1.cc: When displaying a line number, be sure to make it
11611 2003-02-19 Akim Demaille <akim@epita.fr>
11613 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
11615 (YYABORT, YYACCEPT, YYERROR): New.
11616 * tests/calc.at: Renable the lalr1.cc test.
11618 2003-02-19 Akim Demaille <akim@epita.fr>
11620 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
11621 error recovery, mixing with/without pops and discarding of the
11624 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
11626 2003-02-17 Paul Eggert <eggert@twinsun.com>
11628 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
11629 * tests/testsuite.at (AT_COMPILE): Use them.
11630 This fixes the testsuite problem reported by Robert Lentz in
11631 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
11633 2003-02-12 Paul Eggert <eggert@twinsun.com>
11635 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
11636 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
11637 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
11638 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
11639 Check for malloc failure, for consistency with yacc.c.
11640 (yytname_size): Remove, for consistency with yacc.c.
11642 The bug still remains in data/lalr1.cc, as I didn't have time
11645 2003-02-06 Akim Demaille <akim@epita.fr>
11647 * configure.ac (GXX): Rename as...
11648 (CXX): this, to keep the original Autoconf semantics.
11650 * data/lalr1.cc: Fix b4_copyright invocations.
11651 If YYDEBUG is not defined, don't depend upon name_ being defined.
11652 (location.hh): Include string and iostream.
11653 (Position::filename): New member.
11654 (Position::Position ()): New.
11655 (operator<< (Position)): New.
11656 (operator- (Position, int)): New.
11657 (Location::first, Location::last): Rename as...
11658 (Location::begin, Location::end): these, to mock the conventional
11660 (operator<< (Location)): New.
11661 * tests/atlocal.in (CXX): New.
11662 * tests/testsuite.at (AT_COMPILE_CXX): New.
11663 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
11664 locations in a more synthetic way.
11665 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
11667 Adjust the C locations to match those from Emacs: first column is
11669 Change all the expected results.
11670 Conform to the GCS: simplify the locations when applicable.
11671 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
11672 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
11673 these CPP macros with the m4 macros new defined by...
11674 (AT_CHECK_PUSHDEFS): this, i.e.:
11675 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
11676 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
11678 (AT_CHECK_POPDEFS): Undefine them.
11679 (AT_CHECK_CALC_LALR1_CC): New.
11680 Use it for the first lalr1.cc test.
11682 2003-02-04 Akim Demaille <akim@epita.fr>
11684 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
11685 Location as is defined.
11687 2003-02-04 Akim Demaille <akim@epita.fr>
11689 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
11690 name_ being defined.
11692 2003-02-03 Paul Eggert <eggert@twinsun.com>
11694 * src/gram.h (start_symbol): Remove unused decl.
11696 Use more-consistent naming conventions for local vars.
11698 * src/derives.c (derives_compute): Change type of local var from
11699 int to rule_number.
11700 * src/gram.c (grammar_rules_partial_print): Likewise.
11701 * src/print.c (print_core): Likewise.
11702 * src/reduce.c (reduce_grammar_tables): Likewise.
11704 * src/gram.c (grammar_dump): Change name of item_number *
11705 local var from r to rp.
11706 * src/nullable.c (nullable_compute): Likewise.
11708 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
11710 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
11711 for symbol or symbol_number var.
11712 * src/reader.c (grammar_start_symbol_set): Likewise.
11713 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
11715 * src/state.c (transitions_to): Likewise.
11716 * src/state.h: Likewise.
11717 * src/tables.c (symbol_number_to_vector_number): Likewise.
11719 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
11722 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
11725 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
11728 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
11729 Use str, not s, for char * var. Use ch, not c, for character var.
11730 Use size for size var.
11732 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
11734 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
11736 * src/uniqstr.h: Likewise.
11738 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
11739 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
11740 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
11741 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
11742 param to have same name as that of enum, so that we don't use
11743 "s" to stand for a non-state.
11745 2003-02-02 Akim Demaille <akim@epita.fr>
11747 * src/scan-skel.l: Scan more than one inert character per yylex
11750 2003-02-01 Paul Eggert <eggert@twinsun.com>
11754 * po/LINGUAS: Add ms.
11756 2003-01-30 Akim Demaille <akim@epita.fr>
11758 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
11760 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11762 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
11765 Changes in response to error report by S. Eken: GLR mode does not
11766 handle negative $ indices or $ indices in embedded rules correctly.
11767 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
11769 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
11770 (b4_rhs_location): Ditto.
11771 (yyfill): New function to copy from stack tree into array
11773 (yyuserAction): Modify to allow incremental move of semantic values
11774 to rhs array when in GLR mode.
11775 Define YYFILL to use in user-defined actions to fill semantic array
11777 Remove dummy use of yystack, as there is now a guaranteed use.
11778 (yydoAction): Modify to allow incremental move of semantic values
11779 to rhs array when in GLR mode.
11780 (yyresolveAction): Ditto.
11781 (yyglrShiftDefer): Update comment.
11782 (yyresolveStates): Use X == NULL for pointers, not !X.
11783 (yyglrReduce): Ditto.
11784 (yydoAction): Ditto
11786 * tests/glr-regr1.at: Rename to ...
11787 * tests/glr-regression.at: Add new regression test for the problems
11788 described above (adapted from S. Eken).
11789 Update copyright notice.
11790 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
11791 * tests/Makefile.am: Ditto.
11793 2003-01-28 Paul Eggert <eggert@twinsun.com>
11795 * data/lalr1.cc: Do not use @output_header_name@ unless
11796 b4_defines_flag is set. This fixes two bugs reported by
11798 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
11799 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
11801 2003-01-21 Paul Eggert <eggert@twinsun.com>
11803 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
11804 we don't need to worry about yyerrlab1 being reported as an
11805 "unused label" by non-GCC C compilers. The downside is that if
11806 locations are used then a couple of statements are duplicated each
11807 time YYERROR is invoked, but the upside is that the warnings
11809 (yyerrlab1): Move code to YERROR.
11810 (yyerrlab2): Remove. Change uses back to yyerrlab1.
11811 This reverts some of the 2002-12-27 change.
11813 2003-01-17 Paul Eggert <eggert@twinsun.com>
11815 * src/output.c (symbol_printers_output): Fix typo that led
11816 to core dump. Problem reported by Antonio Rus in
11817 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
11819 2003-01-13 Akim Demaille <akim@epita.fr>,
11820 Quoc Peyrot <chojin@lrde.epita.fr>,
11821 Robert Anisko <anisko_r@lrde.epita.fr>
11823 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
11824 when the stacks contain one element, as the loop would otherwise
11825 free the last state, and then use the top state (the one we just
11826 popped). This means that the initial elements will not be freed
11827 explicitly, as is the case in yacc.c; it is not a problem, as
11828 these elements have fake values.
11830 2003-01-11 Paul Eggert <eggert@twinsun.com>
11832 * NEWS: %expect-violations are now just warnings, reverting
11833 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
11834 bootstrapping problem reported by Matthias Klose; see
11835 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
11836 * src/conflicts.c (conflicts_print): Likewise.
11837 * tests/conflicts.at (%expect not enough, %expect too much,
11838 %expect with reduce conflicts): Likewise.
11839 * doc/bison.texinfo (Expect Decl): Document this. Also mention
11840 that the warning is enabled if the number of conflicts changes
11841 (not necessarily increases).
11843 * src/getargs.c (version): Update copyright year.
11845 2003-01-09 Akim Demaille <akim@epita.fr>
11847 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
11849 2003-01-08 Paul Eggert <eggert@twinsun.com>
11851 * Makefile.maint (WGETFLAGS):
11852 New macro, containing "-C off" to disable proxy caches.
11853 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
11854 (rel-check): Use $(WGET) instead of wget.
11856 2003-01-06 Paul Eggert <eggert@twinsun.com>
11858 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
11859 the GLR paper of Scott, Johnstone and Hussain.
11861 2003-01-04 Paul Eggert <eggert@twinsun.com>
11863 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
11864 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
11865 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
11866 (EXTRA_LIBRARIES): New var, for liby.a.
11867 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
11868 (EXTRA_SCRIPTS): New var, for yacc.
11870 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
11871 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
11872 Problem reported by Nelson H. F. Beebe.
11874 2003-01-03 Paul Eggert <eggert@twinsun.com>
11876 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
11877 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
11878 when compiling Bison 1.875's `bitset bset = obstack_alloc
11879 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
11881 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
11882 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
11883 grow to a huge size with typical invocation.
11885 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
11886 Use the pattern recommended by Autoconf 2.57, except also protect
11887 against double-definition.
11888 * src/system.h: Likewise.
11889 Portability issues reported by Nelson H. F. Beebe.
11891 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
11892 All uses changed. Provide a definition in both C and C++.
11893 (yytrue, yyfalse): Define even if defined (__cplusplus).
11895 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
11896 Reported by Nelson H. F. Beebe.
11898 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
11900 2003-01-02 Paul Eggert <eggert@twinsun.com>
11902 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
11903 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
11904 Bug reported by Nelson H. F. Beebe.
11906 2003-01-01 Paul Eggert <eggert@twinsun.com>
11910 2002-12-30 Paul Eggert <eggert@twinsun.com>
11912 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
11914 (<INITIAL>","): Here. This causes stray "," to be treated
11917 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
11918 last brace in braced code when not in Yacc mode, for compatibility
11919 with Bison 1.35. This resurrects the 2001-12-15 patch to
11922 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
11923 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
11925 2002-12-28 Paul Eggert <eggert@twinsun.com>
11927 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
11928 that of SYM's type. This fixes Debian bug 168069, reported by
11931 2002-12-28 Paul Eggert <eggert@twinsun.com>
11935 Switch back to the Yacc style of conflict reports, undoing some
11936 of the 2002-07-30 change.
11937 * doc/bison.texinfo (Understanding): Use Yacc style for
11938 conflict reports. Also, use new way of locating rules.
11939 * src/conflicts.c (conflict_report):
11940 Renamed from conflict_report_yacc, removing the old
11941 'conflict_report'. Translate the entire conflict report at once,
11942 so that we don't assume that "," has the same interpretation in
11944 (conflicts_output): Use Yacc-style conflict report for each state,
11945 instead of our more-complicated style.
11946 (conflicts_print): Use Yacc-style conflict report, except print
11947 the input file name when not emulating Yacc.
11948 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
11949 Conflicted Reduction, %expect not enough, %expect too much,
11950 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
11951 * tests/existing.at (GNU Cim Grammar): Likewise.
11952 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
11954 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
11955 fatal): Don't invoke fflush; it's not needed and it might even be
11956 harmful for stdout, as stdout might not be open.
11957 * src/reduce.c (reduce_print): Likewise.
11959 2002-12-27 Paul Eggert <eggert@twinsun.com>
11961 Fix a bug where error locations were not being recorded correctly.
11962 This problem was originally reported by Paul Hilfinger in
11963 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
11965 * data/yacc.c (yyparse): New local var yylerrsp, to record the
11966 top of the location stack's error locations.
11967 (yyerrlab): Set it. When discarding a token, push its location
11968 onto yylerrsp so that we don't lose track of the error's end.
11969 (yyerrlab1): Now is only the target of YYERROR, so that we can
11970 properly record the location of the action that failed. For GCC
11971 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
11972 GCC warning about yyerrlab1 being unused if YYERROR is unused.
11973 (yyerrlab2): New label, which yyerrlab now falls through to.
11974 Compute the error's location by applying YYLLOC_DEFAULT to
11975 the locations of all the symbols that went into the error.
11976 * doc/bison.texinfo (Location Default Action): Mention that
11977 YYLLOC_DEFAULT is also invoked for syntax errors.
11978 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
11979 Error locations include the locations of all the tokens that were
11980 discarded, not just the last token.
11982 2002-12-26 Paul Eggert <eggert@twinsun.com>
11984 * src/files.c: Include quote.h.
11985 (compute_output_file_names): Warn if we detect conflicting
11986 outputs to the same file. This should catch the misunderstanding
11987 exemplified by Debian Bug 165349, reported by Bruce Stephens..
11989 * src/conflicts.c (conflicts_print): If the user specifies
11990 "%expect N", report an error if there are any reduce/reduce
11991 conflicts. This is what the manual says should happen.
11992 This fixes Debian bug 130890, reported by Anthony DeRobertis.
11993 * tests/conflicts.at (%expect with reduce conflicts): New test.
11995 Don't use m4_include on relative file names, as it doesn't work as
11996 desired if there happens to be a file with that name under ".".
11998 * m4sugar/version.m4: Remove; it was included but it wasn't used.
11999 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
12000 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
12001 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
12002 * src/output.c (output_skeleton): Use full path names when
12003 specifying a file to include; don't rely on include path, as
12004 it's unreliable when the working file contains a file with
12007 2002-12-25 Paul Eggert <eggert@twinsun.com>
12009 Remove obsolete references to bison.simple and bison.hairy.
12010 Problem mentioned by Aubin Mahe in
12011 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
12012 * data/glr.c: Comment fix.
12013 * doc/bison.1: Remove references. Also, mention "yacc".
12015 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
12018 * src/parse-gram.y (declaration): Use enum "report_states" rather
12019 than its numeric value 1.
12021 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
12022 opening a new one. This fixes Debian bug 165349, reported by
12025 2002-12-24 Paul Eggert <eggert@twinsun.com>
12029 * Makefile.maint (cvs-update): Don't assume that the shell
12030 supports $(...), as Solaris sh doesn't.
12032 * src/parse-gram.y (lloc_default): Remove test for empty
12033 nonterminals at the end, since it didn't change the result.
12035 2002-12-24 Paul Eggert <eggert@twinsun.com>
12037 If the user does not define YYSTYPE as a macro, Bison now declares it
12038 using typedef instead of defining it as a macro. POSIX requires this.
12039 For consistency, YYLTYPE is also declared instead of defined.
12041 %union directives can now have a tag before the `{', e.g., the
12042 directive `%union foo {...}' now generates the C code
12043 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
12044 The default union tag is `YYSTYPE', for compatibility with Solaris 9
12045 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
12046 instead of `yyltype'.
12048 `yystype' and `yyltype' are now obsolescent macros instead of being
12049 typedefs or tags; they are no longer documented and will be
12050 withdrawn in a future release.
12052 * data/glr.c (b4_location_type): Remove.
12053 (YYSTYPE): Renamed from yystype.
12054 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
12055 (struct YYLTYPE): Renamed from struct yyltype.
12056 (YYLTYPE): Renamed from yyltype.
12057 (yyltype, yystype): New (and obsolescent) macros,
12058 for backward compatibility.
12059 * data/yacc.c: Likewise.
12061 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
12062 does not specify a union tag. This is for compatibility with
12065 * src/parse-gram.y (add_param): 2nd arg is now char * not char
12066 const *, since it is now modified by stripping surrounding { }.
12067 (current_braced_code): Remove.
12068 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
12069 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
12070 trailing " {...}". Now of type <chars>.
12071 (grammar_declaration): Adjust to bundled tokens.
12072 (code_content): Remove; stripping is now done by add_param.
12073 (print_token_value): Print contents of bundled tokens.
12074 (token_name): New function.
12076 * src/reader.h (braced_code, current_braced_code): Remove.
12077 (token_name): New decl.
12079 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
12080 token_type, not braced_code code_kind. All uses changed.
12081 (SC_PRE_CODE): New state, for scanning after a keyword that
12082 has (or usually has) an immediately-following braced code.
12083 (token_type): New local var, to keep track of which token type
12084 to return when scanning braced code.
12085 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
12086 <INITIAL>"%parse-param", <INITIAL>"%printer",
12087 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
12088 instead of returning a token type immediately.
12089 (<INITIAL>"{"): Set token type.
12090 (<SC_BRACED_CODE>"}"): Use it.
12091 (handle_action_dollar, handle_action_at): Now returns bool
12092 indicating success. Fail if ! current_rule; this prevents a core dump.
12093 (handle_symbol_code_dollar, handle_symbol_code_at):
12094 Remove; merge body into caller.
12095 (handle_dollar, handle_at): Complain in invalid contexts.
12097 * NEWS, doc/bison.texinfo: Document the above.
12098 * NEWS: Fix years and program names in copyright notice.
12100 2002-12-17 Paul Eggert <eggert@twinsun.com>
12102 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
12103 Reporting, Table of Symbols): Omit mentions of %lex-param and
12104 %parse-param from the documentation for now.
12106 2002-12-15 Paul Eggert <eggert@twinsun.com>
12108 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
12109 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
12110 lookahead symbol, and which sets yychar in parser actions) and it
12111 disagreed with the Bison documentation. Bug
12112 reported by Andrew Walrond.
12114 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
12115 as the caller now does that.
12116 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
12117 (YYEMPTY): Parenthesize right hand side, since others use it.
12118 (yyparse): Don't assume that our generated code is the only code
12121 2002-12-13 Paul Eggert <eggert@twinsun.com>
12125 POSIX requires a "yacc" command.
12126 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
12127 (MOSTLYCLEANFILES): Add yacc.
12129 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
12130 as an alias for bison y.
12132 * po/LINGUAS: Add da.
12134 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
12135 problem with latest <getopt.h>.
12136 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
12138 * doc/fdl.texi: Upgrade to 1.2.
12139 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
12140 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
12141 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
12143 * config/install-sh: Sync with autotools.
12145 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
12146 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12147 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
12148 locations are requested.
12149 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
12150 locations are requested.
12152 2002-12-12 Paul Eggert <eggert@twinsun.com>
12154 Remove unportable casts and storage allocation tricks.
12155 While we're at it, remove almost all casts, since they
12156 usually aren't needed and are a sign of trouble.
12158 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
12160 * src/derives.c (derives_compute): Do not subtract NTOKENS from
12161 the pointer DSET returned by malloc; this isn't portable.
12162 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
12163 Similarly for DERIVES.
12164 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
12165 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
12166 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
12168 * src/derives.c (derives_compute): Do not bother invoking
12169 int_of_rule_number, since rule numbers are integers.
12171 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
12172 rather than XMALLOC (char, N).
12174 * src/files.c (filename_split): Rewrite to avoid cast.
12176 * src/gram.h (symbol_number_as_item_number,
12177 item_number_as_symbol_number, rule_number_as_item_number,
12178 item_number_as_rule_number):
12179 Now inline functions rather than macros, to avoid casts.
12180 * src/state.h (state_number_as_int): Likewise.
12181 * src/tables.c (state_number_to_vector_number,
12182 symbol_number_to_vector_number): Likewise.
12184 * src/gram.h (int_of_rule_number): Remove; no longer used.
12186 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
12187 since the resulting storage is always stored into.
12189 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
12192 * src/muscle_tab.c (muscle_m4_output):
12193 Now inline. Return bool, not int.
12194 * src/state.c (state_compare): Likewise.
12195 * src/symtab.c (symbol_check_defined,
12196 symbol_check_alias_consistency, symbol_pack, symbol_translation,
12197 hash_compare_symbol, hash_symbol):
12199 * src/uniqstr.c (uniqstr_print): Likewise.
12200 * src/muscle_tab.c (muscle_m4_output_processor):
12201 New function, to avoid casts.
12202 * src/state.c (state_comparator, stage_hasher): Likewise.
12203 * src/symtab.c (symbol_check_defined_processor,
12204 symbol_check_alias_consistency_processor, symbol_pack_processor,
12205 symbol_translation_processor, hash_symbol_comparator,
12206 hash_symbol_hasher): Likewise.
12207 * src/uniqstr.c (uniqstr_print_processor): Likewise.
12208 * src/muscle_tab.c (muscles_m4_output):
12209 Use new functions instead of casting old functions unportably.
12210 * src/state.c (state_hash_new): Likewise.
12211 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
12212 symbols_token_translations_init):
12214 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
12216 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
12217 var instead of casting to long, to avoid casts.
12218 (prepare_states): Use MALLOC rather than alloca, so that we don't
12219 have to worry about alloca.
12220 * src/state.c (state_hash_lookup): Likewise.
12222 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
12223 local var instead of casting to unsigned char, to avoid casts.
12225 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
12226 STATE_ALLOC): Remove.
12227 (transitions_new, errs_new, reductions_new, state_new): Use malloc
12228 rather than calloc, and use offsetof to avoid allocating slightly
12230 (state_new): Initialize all members.
12232 * src/state.c (state_hash): Use unsigned accumulator, not signed.
12234 * src/symtab.c (symbol_free): Remove; unused.
12235 (symbol_get): Remove cast in lhs of assignment.
12236 (symbols_do): Now static. Accept generic arguments, not
12237 hashing-related ones.
12239 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
12240 (symbol_processor): Remove.
12241 (symbols_do): Remove decl; now static.
12243 * src/system.h (alloca): Remove; decl no longer needed.
12244 (<stddef.h>): Include, for offsetof.
12245 (<inttypes.>, <stdint.h>): Include if available.
12246 (uintptr_t): New type, if system lacks it.
12247 (CALLOC, MALLOC, REALLOC): New macros.
12248 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
12251 * src/tables.c (table_size): Now int, to pacify GCC.
12252 (table_grow, table_ninf_remap): Use signed table size.
12253 (save_row): Don't bother initializing locals when not needed.
12254 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
12255 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
12257 * src/vcg.h: Correct misspellings.
12259 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
12262 * src/getargs.c (getargs): Don't assume EOF == -1.
12264 2002-12-09 Paul Eggert <eggert@twinsun.com>
12266 Change identifier spellings to avoid collisions with names
12267 that are reserved by POSIX.
12269 Don't use names ending in _t, since POSIX reserves them.
12270 For consistency, remove _e and _s endings -- they're weren't
12271 needed to remove ambiguity. All uses changed.
12272 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
12273 turn was just renamed from struniq_t.
12274 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
12275 which in turn was just renamed from struniq_processor_t.
12276 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
12277 in turn was renamed from hash_compare_struniq_t.
12278 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
12279 (state_list): Renamed from state_list_t.
12280 * src/assoc.h (assoc): Renamed from assoc_t.
12281 * src/conflicts.c (enum conflict_resolution): Renamed from
12282 enum conflict_resolution_e.
12283 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
12284 (rule_list): Renamed from rule_list_t.
12285 * src/getargs.h (enum trace): Renamed from enum trace_e.
12286 (enum report): Renamed from enum report_e.
12287 * src/gram.h (item_number): Renamed from item_number_t.
12288 (rule_number): Renamed from rule_number_t.
12289 (struct rule_s): Remove the "rule_s" part; not used.
12290 (rule): Renamed from rule_t.
12291 (rule_filter): Renamed from rule_filter_t.
12292 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
12293 (goto_list): Renamed from goto_list_t.
12294 * src/lalr.h (goto_number): Renamed from goto_number_t.
12295 * src/location.h (location): Renamed from location_t.
12296 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
12297 and moved here from:
12298 * src/muscle_tab.h (muscle_entry_t): here.
12299 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
12300 (rule_list): Renamed from rule_list_t.
12301 * src/print_graph.c (static_graph): Renamed from graph.
12302 * src/reader.h (braced_code): Renamed from braced_code_t.
12303 Remove brace_code_e tag.
12304 * src/relation.h (relation_node): Renamed from relation_node_t.
12305 (relation_nodes): Renamed from relation_nodes_t.
12306 (relation): Renamed from relation_t.
12307 * src/state.h (state_number): Renamed from state_number_t.
12308 (struct state): Renamed from struct state_s.
12309 (state): Renamed from state_t.
12310 (transitions): Renamed from transitions_t. Unused (and
12311 misspelled) transtion_s tag removed.
12312 (errs): Renamed from errs_t. Unused errs_s tag removed.
12313 (reductions): Renamed from reductions_t. Unused tag
12314 reductions_s removed.
12315 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
12316 (struct symbol_list): Renamed from struct symbol_list_s.
12317 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
12318 (struct symbol): Renamed from struct symbol_s.
12319 (symbol): Renamed from symbol_t.
12320 * src/tables.c (vector_number): Renamed from vector_number_t.
12321 (action_number): Renamed from action_t.
12322 * src/tables.h (base_number): Renamed from base_t.
12323 * src/vcg.h (enum color): Renamed from enum color_e.
12324 (enum textmode): Renamed from enum textmode_e.
12325 (enum shape): Renamed from enum shape_e.
12326 (struct colorentry): Renamed from struct colorentry_s.
12327 (struct classname): Renamed from struct classname_s.
12328 (struct infoname): Renamed from struct infoname_s.
12329 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
12330 (enum decision): Renamed from enum decision_e.
12331 (enum orientation): Renamed from enum orientation_e.
12332 (enum alignment): Renamed from enum alignment_e.
12333 (enum arrow_mode): Renamed from enum arrow_mode_e.
12334 (enum crossing_type): Renamed from enum crossing_type_e.
12335 (enum view): Renamed from enum view_e.
12336 (struct node): Renamed from struct node_s.
12337 (node): Renamed from node_t.
12338 (enum linestyle): Renamed from enum linestyle_e.
12339 (enum arrowstyle): Renamed from enum arrowstyle_e.
12340 (struct edge): Renamed from struct edge.
12341 (edge): Renamed from edge_t.
12342 (struct graph): Renamed from struct graph_s.
12343 (graph): Renamed from graph_t.
12344 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
12345 Rename value_t -> value.
12346 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
12347 value_t_as_yystype -> value_as_yystype.
12349 Don't include <errno.h> in the mainstream code, since it
12350 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
12351 * lib/get-errno.c, lib/get-errno.h: New files.
12352 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
12354 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
12355 * src/output.c (output_skeleton): Likewise.
12356 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
12358 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
12360 (handle_action_dollar, handle_action_at): Likewise.
12361 * src/system.h: Do not include <errno.h>.
12362 (TAB_EXT): Renamed from EXT_TAB.
12363 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
12365 Avoid str[a-z]*, since <string.h> reserves that name space.
12366 Change all instances of "struniq" in names to "uniqstr", and
12367 likewise for "STRUNIQ" and "UNIQSTR".
12368 * src/uniqstr.c: Renamed from src/struniq.c.
12369 * src/uniqstr.h: Renamed from src/struniq.h.
12370 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
12371 * src/files.c (strsuffix): Remove; unused.
12372 (concat2): Renamed from stringappend. Now static.
12373 * src/files.h (strsuffix, stringappend): Remove; unused.
12374 * src/parse-gram.y (<chars>): Renamed from <string>.
12375 (<uniqstr>): Renamed from <struniq>.
12376 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
12377 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
12378 (struct graph_s.expand): Renamed from struct graph_s.stretch.
12379 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
12380 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
12381 (N_EXPAND): Renamed from N_STRETCH.
12383 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
12384 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
12385 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
12387 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
12388 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
12389 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
12390 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
12391 (BASE_MAXIMUM): Renamed from BASE_MAX.
12392 (BASE_MINIMUM): Renamed from BASE_MIN.
12393 (ACTION_MAX): Remove; unused.
12394 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
12395 Unnecessary casts removed from above defines.
12398 Fix misspelling in names.
12399 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
12400 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
12404 * lib/timevar.c (timevar_report): Renamed from time_report,
12405 for consistency with other names.
12406 * lib/timevar.h (timevar_report): New decl.
12407 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
12410 Sort include-file uses.
12412 Reorder all include files under src to be in the order "system.h".
12413 then the ../lib include files in angle brackets (alphabetized),
12414 then the . include files in double-quotes (alphabetized). Fix
12415 dependency breakages encountered in this process, as follows:
12416 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
12417 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
12418 * src/state.h: Include "symtab.h".
12420 2002-12-08 Paul Eggert <eggert@twinsun.com>
12422 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
12423 since this causes problems when __file__ contains character
12424 sequences like "@" that are treated specially by src/scan-skel.l.
12425 Instead, just use the file's basename. This fixes the bug
12426 reported by Martin Mokrejs in
12427 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
12429 2002-12-06 Paul Eggert <eggert@twinsun.com>
12431 Add support for rules that do not have trailing semicolons, as
12432 POSIX requires. Improve the quality of locations in Bison
12435 * src/location.c: Include <quotearg.h>.
12436 (empty_location): Now const.
12437 (location_print): New function. Follow the recommendation of the
12438 GNU Coding Standards for locations that span file boundaries.
12439 * src/location.h: Do not include <quotearg.h>; no longer needed.
12440 (boundary): New type.
12441 (location_t): Use it. This allows locations to span file boundaries.
12442 All member uses changed: file -> start.file or end.file (as needed),
12443 first_line -> start.line, first_column -> start.column,
12444 last_line -> end.line, last_column -> end.column.
12445 (equal_boundaries): New function.
12446 (LOCATION_RESET, LOCATION_STEP): Remove.
12447 (LOCATION_PRINT): Remove. All callers changed to use location_print.
12448 (empty_location): Now const.
12449 (location_print): New decl.
12450 * src/parse-gram.y (lloc_default): New function, which handles
12451 empty locations more accurately.
12452 (YYLLOC_DEFAULT): Use it.
12453 (%token COLON): Remove.
12454 (%token ID_COLON): New token.
12456 (declarations, rules): Remove trailing semicolon.
12457 (declaration, rules_or_grammar_declaration):
12458 Allow empty (";") declaration.
12459 (symbol_def): Remove empty actions; no longer needed.
12460 (rules_or_grammar_declaration): Remove trailing semicolon.
12461 (semi_colon.opt): Remove.
12462 * src/reader.h: Include location.h.
12463 (scanner_cursor): New decl.
12464 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
12466 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
12468 (STEP): Remove. No longer needed, now that adjust_location does
12469 the work. All uses removed.
12470 (scanner_cursor): New var.
12471 (adjust_location): Renamed from extend_location. It now sets
12472 *loc and adjusts the scanner cursor. All uses changed.
12473 Don't bother testing for CR.
12474 (handle_syncline): Remove location arg; now updates scanner cursor.
12475 All callers changed.
12476 (unexpected_end_of_file): Now accepts start boundary of token or
12477 comment, not location. All callers changed. Update scanner cursor,
12479 (SC_AFTER_IDENTIFIER): New state.
12480 (context_state): Renamed from c_context. All uses changed.
12481 (id_loc, code_start, token_start): New local vars.
12482 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
12483 processing of Yacc white space and equivalents here.
12484 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
12485 instead of returning ID immediately, since we need to search for
12486 a subsequent colon.
12487 (<INITIAL>"'", "\""): Save token_start.
12488 (<INITIAL>"%{", "{", "%%"): Save code_start.
12489 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
12490 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
12491 BEGIN context_state at end, not INITIAL.
12492 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
12493 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
12494 Return correct token start.
12495 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
12496 the start of a character, string or multiline comment is found.
12497 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
12498 Reduction): Adjust reported locations to match the more-precise
12499 results now expected.
12500 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
12501 * tests/reduce.at (Useless Rules, Reduced Automaton,
12502 Underivable Rules): Likewise.
12503 * tests/regression.at (Invalid inputs): No longer `expecting ";"
12504 or "|"' now that so many other tokens are allowed by the new grammar.
12506 * src/complain.h (current_file): Remove duplicate decl;
12507 current_file is now owned by files.h.
12508 * src/complain.c, src/scan-gram.l: Include files.h.
12510 2002-12-06 Paul Eggert <eggert@twinsun.com>
12512 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
12513 promotes to int; it might be unsigned int.
12514 * data/yacc.c (yy_reduce_print): Likewise.
12516 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
12517 be #defined in the prologue, not in the Bison declarations.
12518 This fixes Debian Bug 102878, reported by Shaul Karl.
12520 2002-12-02 Paul Eggert <eggert@twinsun.com>
12522 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
12523 * lib/strtoul.c: New file, from gnulib.
12524 This fixes a porting bug reported by Peter Klein in
12525 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
12527 2002-11-30 Paul Eggert <eggert@twinsun.com>
12529 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
12530 and put only a forward declaration in the prologue. This is for
12531 consistency with the other scanner helper functions.
12533 Type clashes now generate warnings, not errors, since it
12534 appears that POSIX may allow some grammars with type clashes.
12535 * src/reader.c (grammar_current_rule_check): Warn about
12536 type clashes instead of complaining.
12537 * tests/input.at (Type Clashes): Expect warnings, not complaints.
12539 Add Yacc library, since POSIX requires it.
12540 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
12541 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
12542 * lib/main.c, lib/yyerror.c: New files.
12544 gram_error can be static; it need not be extern.
12545 * src/reader.h (gram_error): Remove decl.
12546 * src/parse-gram.y (gram_error): Now static. Add static decl.
12547 (print_token_value): Omit parameter names from forward decl,
12550 2002-11-29 Paul Eggert <eggert@twinsun.com>
12552 * doc/bison.texinfo: Emphasize that yylex and yyerror must
12553 be declared before being used. E.g., one should typically
12554 declare them in the prologue. Use GNU coding style in examples.
12555 Put "const" consistently after the type it modifies. Mention
12556 that C99 supports "inline". Mention that yyerror traditionally
12559 %parse-param and %lex-param now take just one argument, the
12560 declaration; the argument name is deduced from the declaration.
12562 * doc/bison.texinfo (Parser Function, Pure Calling, Error
12563 Reporting, Table of Symbols): Document this.
12564 * src/parse-gram.y (add_param): New function.
12566 (declaration): Implement new rule for %parse-param and %lex-param.
12567 * src/scan-gram.l: "," now elicits a warning, rather than being
12568 a token; this is more compatible with byacc.
12569 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
12571 2002-11-27 Paul Eggert <eggert@twinsun.com>
12573 Rename identifiers to avoid real and potential collisions.
12575 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
12576 to avoid collision with lex macro described by Bruce Lilly in
12577 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12578 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
12579 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
12580 * src/parse-gram.y (print_token_value): Renamed from yyprint.
12582 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
12583 The name "yycontrol" violates the name space rules, and this stuff
12584 wasn't being used anyway.
12585 (input): Remove action; this stuff wasn't being used.
12586 (gram_error): Rename local variable yylloc -> loc.
12587 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
12588 (YY_DECL): Don't use "yy" at start of local variables.
12589 All uses changed, e.g., yylloc -> loc.
12590 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
12591 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
12592 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
12593 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
12595 * src/parse-gram.y (gram_error): loc is now const *.
12596 * src/reader.h (gram_error): Likewise.
12598 2002-11-24 Paul Eggert <eggert@twinsun.com>
12602 * tests/actions.at (Actions after errors): Use an output format
12603 more similar to that of the Printers and Destructors test.
12604 Test the position of the ';' token too.
12605 (Printers and Destructors): Likewise.
12606 (Printers and Destructors: %glr-parser): Remove for now, to avoid
12607 unnecessarily alarming people when the test fails.
12609 * data/yacc.c (yyerrlab1): Move this label down, so that the
12610 parser does not discard the lookahead token if the user code
12611 invokes YYERROR. This change is required for POSIX conformance.
12613 * lib/error.c: Sync with gnulib.
12615 2002-11-22 Paul Eggert <eggert@twinsun.com>
12617 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
12618 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
12619 * lib/xmalloc.c: Likewise.
12621 2002-11-20 Paul Eggert <eggert@twinsun.com>
12623 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
12625 2002-11-20 Paul Eggert <eggert@twinsun.com>
12627 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
12628 should use `if (! x) abort ();' rather than `assert (x);', and
12629 anyway it's one less thing to worry about configuring.
12631 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
12632 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
12633 and replace all instances of assert with abort.
12634 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
12635 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
12637 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
12638 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
12639 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
12640 hash_find_entry, hash_rehash, hash_insert): Likewise.
12641 * src/conflicts.c (resolve_sr_conflict): Likewise.
12642 * src/lalr.c (set_goto_map, map_goto): Likewise.
12643 * src/nullable.c (nullable_compute): Likewise.
12644 * src/output.c (prepare_rules, token_definitions_output): Likewise.
12645 * src/reader.c (packgram, reader): Likewise.
12646 * src/state.c (state_new, state_free, state_transitions_set,
12647 state_reduction_find): Likewise.
12648 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
12649 symbol_pack): Likewise.
12650 * src/tables.c (conflict_row, pack_vector): Likewise.
12651 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12652 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12653 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
12654 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
12656 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
12657 (ARGMATCH_CONSTRAINT): New macro.
12658 (ARGMATCH_ASSERT): Use it.
12660 * src/system.h (verify): New macro.
12661 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
12662 rather than assert.
12663 * src/tables.c (tables_generate): Likewise.
12665 * src/struniq.c (struniq_assert): Now returns void, and aborts
12666 if the assertion is false.
12667 (struniq_assert_p): Remove.
12668 * src/struniq.h: Likewise.
12670 2002-11-18 Paul Eggert <eggert@twinsun.com>
12672 * data/glr.c (yygetLRActions): Replace `yyindex' with
12673 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
12674 This fixes the regression with Sun ONE Studio 7 cc that I reported in
12675 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
12677 2002-11-18 Akim Demaille <akim@epita.fr>
12679 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
12681 From Tim Van Holder.
12683 2002-11-17 Paul Eggert <eggert@twinsun.com>
12685 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
12686 to "SyntaxError" for consistency with my 2002-11-15 change.
12688 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
12689 not define to {}, since this breaks the common use of `YYDPRINTF
12690 ((...));' if a single statement is desired (e.g. before `else').
12691 Work around GCC warnings by surrounding corresponding calls with
12693 (yyhasResolvedValue): Remove unused function.
12694 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
12696 (yyreportSyntaxError): Renamed from yyreportParseError.
12697 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
12699 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
12700 extern when possible. Remove unused initializations.
12702 2002-11-16 Akim Demaille <akim@epita.fr>
12704 Augment the similarity between GLR and LALR traces.
12706 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
12707 (YY_REDUCE_PRINT): New.
12708 (yyparse): Use them.
12709 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
12711 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
12712 state reached after the reduction/recovery, since...
12713 (yyparse, yyprocessOneStack): Report the state we are entering in.
12715 2002-11-16 Akim Demaille <akim@epita.fr>
12717 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
12718 Add support for --trace=skeleton.
12719 * src/scan-skel.l: %option debug.
12720 Scan strings of non-@ or \n instead of character by character.
12721 (scan_skel): Handle trace_skeleton.
12723 (@output_parser_name@, @output_header_name@): ``Restore'' their
12724 support (used to be M4 macros).
12725 * data/yacc.c: Quote larger chunks, a la glr.c.
12726 * data/lalr1.cc: Likewise.
12727 The header guards are no longer available, so use some other
12728 string than `YYLSP_NEEDED'.
12730 2002-11-16 Akim Demaille <akim@epita.fr>
12732 Make the ``Printers and Destructors'' test more verbose, taking
12733 `yacc.c''s behavior as (possibly wrong) reference.
12735 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
12736 instead of fprint on stdout.
12737 Set and report the last_line of the symbols.
12738 Consistently display values and locations.
12740 2002-11-16 Paul Eggert <eggert@twinsun.com>
12742 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
12744 2002-11-15 Paul Eggert <eggert@twinsun.com>
12746 * tests/actions.at (Actions after errors): New test case.
12748 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
12749 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
12750 tests/action.at, tests/calc.at, tests/conflicts.at,
12751 tests/cxx-type.at, tests/regression.at:
12752 "parse error" -> "syntax error" for POSIX compatibility.
12753 "parsing stack overflow..." -> "parser stack overflow" so
12754 that code matches Bison documentation.
12756 2002-11-15 Akim Demaille <akim@epita.fr>
12758 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
12759 take two BRACED_CODE, not two string_content.
12760 Free the scanner's obstack when we are done.
12761 (code_content): New.
12762 * tests/calc.at: Adjust.
12763 * doc/bison.texinfo: Adjust.
12764 Also, make sure to include the `,' for these declarations.
12766 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
12768 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
12769 definition; avoids potential autoreconf problems.
12771 2002-11-15 Akim Demaille <akim@epita.fr>
12773 Always check the value returned by yyparse.
12775 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
12776 returned by yyparse.
12777 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
12779 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
12780 returned by yyparse.
12782 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12784 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
12787 2002-11-14 Paul Eggert <eggert@twinsun.com>
12789 * src/output.c (output_skeleton): Call xfopen instead of
12790 duplicating xfopen's body.
12792 Fix bugs reported by Nelson H. F. Beebe in
12793 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
12795 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
12796 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
12797 Group compiler. Instead, use "$CC -E bar.c". Include the .h
12798 file twice in the grammar, as an extra check.
12800 * tests/input.at (Torturing the Scanner): Surround the
12801 backslash-newline tests with "#if 0", to make it less likely that
12802 we'll run into compiler bugs. Bring back solitary \ inside
12803 comment, but add a closing comment to work around HP C bug. Don't
12804 test backslash-newline in C character constant.
12806 2002-11-14 Akim Demaille <akim@epita.fr>
12808 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
12809 status of the compiler.
12810 Calling `exit 1' is no longer needed.
12811 Reported by Nelson H. F. Beebe.
12813 2002-11-14 Akim Demaille <akim@epita.fr>
12815 * tests/atlocal.in (CPPFLAGS): We have config.h.
12816 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
12818 * tests/actions.at, tests/calc.at, tests/conflicts.at,
12819 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
12820 * tests/regression.at, tests/torture.at: Use them for all the
12821 grammars that are to be compiled.
12822 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
12823 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
12824 * doc/bison.texinfo (GLR Parsers): Document `inline'.
12826 2002-11-14 Akim Demaille <akim@epita.fr>
12828 * doc/bison.texinfo: Various formatting changes (alignments in
12829 samples, additional @group/@end group, GCS in samples.
12830 Use @deffn instead of simple @table to define the directives,
12831 macros, variables etc.
12833 2002-11-13 Paul Eggert <eggert@twinsun.com>
12835 Fix some bugs reported by Albert Chin-A-Young in
12836 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
12838 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
12839 -o c"; the HP C compiler chatters during compilation.
12840 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
12841 * tests/headers.at (export YYLTYPE): Likewise.
12843 * tests/input.at (Torturing the Scanner): Remove lines containing
12844 solitary backslashes, as they tickle a bug in the HP C compiler.
12846 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
12847 comments, since they're not portable. Use GNU coding style.
12849 2002-11-13 Akim Demaille <akim@epita.fr>
12851 * data/yacc.c: Leave bigger chunks of quoted text.
12852 (YYDSYMPRINTF): New.
12853 Use it to report symbol activities.
12854 * data/glr.c (YYDSYMPRINTF): New.
12857 2002-11-12 Paul Eggert <eggert@twinsun.com>
12861 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
12862 (yyglrReduce): Return yyok, not 0.
12863 This should avoid the enumerated-type warnings reported
12864 by Nelson H. F. Beebe in
12865 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
12867 * lib/bbitset.h (BITSET_INLINE): Remove.
12868 * lib/bitset.h [! BITSET_INLINE]: Remove.
12869 (bitset_set, bitset_reset, bitset_test): Rename local vars
12870 to avoid shadowing warnings by GCC.
12872 * data/glr.c (inline): Remove #define. It's the user's
12873 responsibility to #define it away, just like 'const'.
12874 This fixes one of the bugs reported by Nelson H. F. Beebe in
12875 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
12877 * Makefile.maint (po-check): Scan .l and .y files instead of the
12878 .c and the .h files that they generate. This fixes the bug
12879 reported by Tim Van Holder in:
12880 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
12881 Look for N_ as well as for _. Try to avoid matching #define for
12883 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
12884 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
12885 * src/scan-gram.l: Revamp regular expressions so that " and '
12886 do not confuse xgettext.
12888 * src/struniq.h (struniq_new): Do not declare the return type
12889 to be 'const'; this violates the C standard.
12890 * src/struniq.c (struniq_new): Likewise.
12892 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
12894 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
12895 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
12898 2002-11-12 Akim Demaille <akim@epita.fr>
12900 * Makefile.maint: Sync with Autoconf:
12901 (local_updates): New.
12903 2002-11-12 Akim Demaille <akim@epita.fr>
12905 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
12907 2002-11-12 Akim Demaille <akim@epita.fr>
12909 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
12912 2002-11-12 Akim Demaille <akim@epita.fr>
12914 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
12917 2002-11-12 Akim Demaille <akim@epita.fr>
12919 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
12920 Use it to test the GLR parser.
12922 2002-11-12 Akim Demaille <akim@epita.fr>
12924 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
12926 * data/glr.c (yystos): New.
12927 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
12928 (YYDSYMPRINT): New.
12929 (yyval): Don't define it, it is handled via M4.
12930 (yyrecoverParseError): Free verbosely the discarded symbols.
12931 * data/yacc.c (yysymprint): Remove, rather...
12932 (b4_yysymprint_generate): invoke.
12933 * data/c.m4 (b4_yysymprint_generate): New.
12934 Accept pointers as arguments, as opposed to the version from
12936 (b4_yydestruct_generate): Likewise.
12937 * tests/cations.at (Printers and Destructors): Use Bison directives
12938 instead of CPP macros.
12939 Don't rely on internal details.
12941 2002-11-12 Akim Demaille <akim@epita.fr>
12943 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
12944 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
12945 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
12946 it against YYEMPTY and so forth), work on yytoken (i.e., set
12947 it to YYEMPTY etc.).
12948 (yydestruct): Replace with a b4_yydestruct_generate invocation.
12949 (b4_symbol_actions): Remove.
12950 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
12951 for 0, end-of-input.
12953 2002-11-12 Akim Demaille <akim@epita.fr>
12955 * doc/bison.texinfo (Destructor Decl): New.
12957 2002-11-12 Akim Demaille <akim@epita.fr>
12959 * src/tables.c (tables_generate): Use free for pointers that
12960 cannot be NULL, not XFREE.
12961 (pack_vector): Use assert, not fatal, for bound violations.
12962 * src/state.c (state_new): Likewise.
12963 * src/reader.c (reader): Likewise.
12964 * src/lalr.c (set_goto_map): Likewise.
12965 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
12968 2002-11-12 Akim Demaille <akim@epita.fr>
12970 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
12972 * src/scan-gram.l (last_string): Is global to the file, not to
12974 * src/parse-gram.y (input): Don't append the epilogue here,
12975 (epilogue.opt): do it here, and free the scanner's obstack.
12976 * src/reader.c (epilogue_set): Rename as...
12977 (epilogue_augment): this.
12978 * data/c.m4 (b4_epilogue): Defaults to empty.
12980 2002-11-12 Akim Demaille <akim@epita.fr>
12982 * src/getargs.c (long_options): Remove duplicates.
12983 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
12985 * doc/bison.rnh: Remove.
12986 * doc/bison.texinfo (VMS Invocation): Remove.
12988 2002-11-12 Akim Demaille <akim@epita.fr>
12990 * src/struniq.h, src/struniq.c (struniq_t): Is const.
12991 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
12993 Use struniq for symbols.
12995 * src/symtab.h (symbol_t): The tag member is a struniq.
12996 (symbol_type_set): Adjust.
12997 * src/symtab.c (symbol_new): Takes a struniq.
12998 (symbol_free): Don't free the tag member.
12999 (hash_compare_symbol_t, hash_symbol_t): Rename as...
13000 (hash_compare_symbol, hash_symbol): these.
13001 Use the fact that tags as struniqs.
13002 (symbol_get): Use struniq_new.
13003 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
13005 * src/reader.h (merger_list, grammar_currentmerge_set): The name
13006 and type members are struniqs.
13007 * src/reader.c (get_merge_function)
13008 (grammar_current_rule_merge_set): Adjust.
13009 (TYPE, current_type): Are struniq.
13011 Use struniq for file names.
13013 * src/files.h, src/files.c (infile): Split into...
13014 (grammar_file, current_file): these.
13015 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
13016 * src/reduce.c (reduce_print): Likewise.
13017 * src/getargs.c (getargs): Likewise.
13018 * src/complain.h, src/complain.c: Likewise.
13019 * src/main.c (main): Call struniqs_new early enough to use it for
13021 Don't free the input file name.
13023 2002-11-12 Akim Demaille <akim@epita.fr>
13025 * src/symtab.c (symbol_free): Remove dead deactivated code:
13026 type_name are properly removed.
13027 Don't use XFREE to free items that cannot be NULL.
13028 * src/struniq.h, src/struniq.c: New.
13029 * src/main.c (main): Initialize/free struniqs.
13030 * src/parse-gram.y (%union): Add astruniq member.
13032 * src/scan-gram.l (<{tag}>): Return a struniq.
13033 Free the obstack bit that used to store it.
13034 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
13036 2002-11-11 Paul Eggert <eggert@twinsun.com>
13038 Revamp to fix many (but not all) of the C- and M4-related quoting
13039 problems. Among other things, this fixes the Bison bug reported
13040 by Jan Hubicka when processing the Bash grammar; see:
13041 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
13043 Use new @ escapes consistently. Represent brackets with @{ and @}
13044 rather than @<:@ and @:>@, since this works a bit better with dumb
13045 editors like vi. Represent @ with @@, since @ is now consistently
13046 an escape. Use @oline@ and @ofile@ rather than __oline__ and
13047 __ofile__, to avoid unexpected expansions. Similarly, use @output
13048 rather than #output.
13050 * data/c.m4 (b4_copyright): Omit file name from comment, since
13051 the file name could contain "*/".
13052 (b4_synclines_flag): Don't quote the 2nd argument; it should already
13053 be quoted. All uses changed.
13055 * data/glr.c: Use new @ escapes consistently.
13056 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
13057 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
13058 Remove, since they couldn't handle arbitrary characters in file
13060 * data/lalr1.cc: Likewise.
13061 * data/yacc.c: Likewise.
13063 * src/files.c (output_infix): Remove; all uses removed.
13064 * src/files.h: Likewise.
13066 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
13067 mishandled funny characters in file names, and anyway it isn't
13069 * data/yacc.c: Likewise.
13070 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
13072 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
13073 * data/yacc.c: Likewise.
13075 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
13077 (muscle_init): Quote filename as a C string.
13078 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
13079 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
13080 * src/output.c (escaped_file_name_output): New function.
13081 (prepare_symbols): Quote tokens for M4.
13082 (prepare): Don't insert output_infix, output_prefix,
13083 output_parser_name, output_header_name; this is now down by scan-skel.
13084 Insert skeleton as a C string.
13086 * src/output.c (user_actions_output, symbol_destructors_output,
13087 symbol_printers_output): Quote filenames for C and M4.
13088 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13090 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
13091 escapes other than \\ and \'; this simplifies the code.
13092 (<SC_STRING>): Likewise, for \\ and \".
13093 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
13094 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
13095 Use new escapes @{ and @} for [ and ].
13097 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
13098 them with auto vars.
13099 Switch to new escape scheme, where @ is the escape character uniformly.
13100 Abort if a stray escape character is found. Avoid unbounded input
13101 buffer when parsing non-escaped text.
13103 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
13104 __oline__, #output, $@, and @{ do not have unintended meanings.
13106 2002-11-09 Paul Eggert <eggert@twinsun.com>
13108 Fix the test failure due to GCC warnings described in
13109 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
13110 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
13111 evaluate to 0 if it's impossible for NINF to be in the respective
13113 (yygetLRActions, yyrecoverParseError): Use them.
13115 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
13116 counted in the token inserted at end of file. Now takes
13117 location_t *, not location_t, so that the location can be
13118 adjusted. All uses changed.
13120 * tests/regression.at (Invalid inputs): Adjust wording in
13121 diagnostic to match the new behavior.
13123 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
13124 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
13125 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
13126 abort ();'. This reduces the runtime of the "Many lookaheads"
13127 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
13130 2002-11-07 Paul Eggert <eggert@twinsun.com>
13132 * src/parse-gram.y (CHARACTER): Remove unused token.
13135 * src/scan-gram.l: Remove stack option. We no longer use the
13136 stack, since the stack was never deeper than 1; instead, use the
13137 new auto var c_context to record the stacked value.
13139 Remove nounput option. At an unexpected end of file, we now unput
13140 the minimal input necessary to end cleanly; this simplifies the
13143 Avoid unbounded token sizes where this is easy.
13145 (unexpected_end_of_file): New function.
13146 Use it to systematize the error message on unexpected EOF.
13147 (last-string): Now auto, not static.
13148 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
13149 (scanner_last_string_free): Remove; not used.
13150 (percent_percent_count): Move decl to just before use.
13151 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
13152 not the (never otherwised-used) CHARACTER.
13154 2002-11-07 Akim Demaille <akim@epita.fr>
13156 Let yyerror always receive the msg as last argument, so that
13157 yyerror can be variadic.
13159 * data/yacc.c (b4_yyerror_args): New.
13160 Use it when calling yyerror.
13161 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
13162 Use it when calling yyerror.
13163 * doc/bison.texinfo (Error Reporting): Adjust.
13164 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
13165 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
13167 2002-11-06 Akim Demaille <akim@epita.fr>
13169 #line should have quoted strings.
13170 Ideally, this should be done by m4_quotearg.
13172 * src/scan-skel.l: Include quotearg.h.
13174 * src/output.c (symbol_printers_output)
13175 (symbol_destructors_output): Quote the file name.
13177 2002-11-06 Akim Demaille <akim@epita.fr>
13179 * tests/regression.at (Invalid inputs): Adjust to the recent
13182 2002-11-06 Akim Demaille <akim@epita.fr>
13184 Restore --no-lines.
13185 Reported by Jim Kent.
13187 * data/c.m4 (b4_syncline): New.
13188 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
13189 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
13190 * src/output.c (user_actions_output): Likewise.
13191 (prepare): Define 'b4_synclines_flag'.
13192 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
13194 2002-11-06 Akim Demaille <akim@epita.fr>
13196 * src/main.c (main): Free `infile'.
13197 * src/scan-gram.l (handle_syncline): New.
13199 * src/output.c (user_actions_output, symbol_destructors_output)
13200 (symbol_printers_output): Use the location's file name, not
13202 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13204 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13206 * src/tables.c (matching_state): Don't allow states to match if
13207 either has GLR conflict entries.
13209 2002-11-05 Paul Eggert <eggert@twinsun.com>
13211 * src/scan-gram.l: Use more accurate diagnostics, e.g.
13212 "integer out of range" rather than "invalid value".
13213 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
13216 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
13217 Also, remove one static variable in the scanner.
13219 * src/scan-gram.l (braces_level): Now auto, not static.
13220 Initialize to zero if the compiler is being picky.
13221 (INITIAL): Clear braces_level instead of incrementing it.
13222 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
13223 as POSIX 1003.1-2001 requires.
13224 * src/system.h (IF_LINT): New macro, taken from coreutils.
13225 * configure.ac: Define "lint" if --enable-gcc-warnings.
13227 2002-11-05 Akim Demaille <akim@epita.fr>
13229 * src/scan-gram.l: When it starts with `%', complain about the
13230 whole directive, not just that `invalid character: %'.
13232 2002-11-04 Akim Demaille <akim@epita.fr>
13234 * Makefile.maint: Update from Autoconf.
13235 (update, cvs-update, po-update, do-po-update): New.
13237 2002-11-04 Akim Demaille <akim@epita.fr>
13239 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
13241 Have yyerror `use' its arguments.
13242 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
13243 returns true when location & yacc & pure & parse-param.
13244 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
13246 2002-11-04 Akim Demaille <akim@epita.fr>
13248 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
13250 * src/scan-gram.l: Use [\'] instead of ['] to pacify
13253 Use quote, not quote_n since LOCATION_PRINT no longer uses the
13256 2002-11-03 Paul Eggert <eggert@twinsun.com>
13258 * src/reader.c (get_merge_function, grammar_current_rule_check):
13259 Use consistent diagnostics for reporting type name clashes.
13260 Quote the types with <>, for consistency with Yacc.
13261 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
13263 2002-11-03 Akim Demaille <akim@epita.fr>
13265 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
13267 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
13268 (b4_parse_param): Remove.
13269 Use b4_identification.
13270 Propagate b4_pure_args where needed to pass them to yyerror.
13271 * data/glr.m4 (b4_parse_param): Remove.
13272 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
13273 (b4_lpure_formals): New.
13274 Use b4_identification.
13275 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
13276 b4_user_formals and b4_user_args.
13277 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
13278 (yyreportAmbiguity): When using a pure parser, also need
13279 the location, and the parse-params.
13281 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
13282 When using a pure parser, also need the parse-params.
13284 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
13285 (%pure-parser + %parse-param) LALR and GLR parsers.
13286 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
13287 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
13288 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
13289 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
13290 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
13291 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
13292 * doc/bison.texinfo: Untabify the whole file.
13293 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
13294 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
13295 (Error Reporting): Adjust to these new directives.
13296 Document %error-verbose, deprecate YYERROR_VERBOSE.
13298 2002-11-03 Akim Demaille <akim@epita.fr>
13300 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
13301 AT_CHECK_CALC_GLR invocations to use % directives, instead of
13302 command line options.
13303 * tests/cxx-type.at: Formatting changes.
13305 2002-11-03 Paul Eggert <eggert@twinsun.com>
13307 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
13308 to count columns correctly, and to check for invalid inputs.
13310 Use mbsnwidth to count columns correctly. Account for tabs, too.
13311 Include mbswidth.h.
13312 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
13313 (extend_location): New function.
13314 (YY_LINES): Remove.
13316 Handle CRLF in C code rather than in Lex code.
13317 (YY_INPUT): New macro.
13318 (no_cr_read): New function.
13320 Scan UCNs, even though we don't fully handle them yet.
13321 (convert_ucn_to_byte): New function.
13323 Handle backslash-newline correctly in C code.
13324 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
13325 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
13327 (tag, splice): New EREs. Do not allow NUL or newline in tags.
13328 Use {splice} wherever C allows backslash-newline.
13329 YY_STEP after space, newline, vertical-tab.
13330 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
13332 (letter, id): Don't assume ASCII; e.g., spell out a-z.
13334 ({int}, handle_action_dollar, handle_action_at): Check for integer
13337 (YY_STEP): Omit trailing semicolon, so that it's more like C.
13339 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
13340 as well as \000. Check for UCHAR_MAX, not 255.
13341 Allow \x with an arbitrary positive number of digits, as in C.
13342 Check for overflow here.
13343 Allow \? and UCNs, for compatibility with C.
13345 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
13346 with quote slot used by complain_at.
13348 * tests/input.at: Add tests for backslash-newline, m4 quotes
13349 in symbols, long literals, and funny escapes in strings.
13351 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
13352 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
13353 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
13354 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
13355 * m4/mbswidth.m4: New file, from GNU coreutils.
13357 * doc/bison.texinfo (Grammar Outline): Document // comments.
13358 (Symbols): Document that trigraphs have no special meaning in Bison,
13359 nor is backslash-newline allowed.
13360 (Actions): Document that trigraphs have no special meaning.
13362 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
13365 2002-11-02 Paul Eggert <eggert@twinsun.com>
13367 * src/reader.c: Don't include quote.h; not needed.
13368 (get_merge_function): Reword warning to be consistent with
13369 type clash diagnostic in grammar_current_rule_check.
13371 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
13372 bug in trigraph handling.
13374 * src/output.c (prepare_symbols): When printing token names,
13375 escape "[" as "@<:@" and likewise for "]".
13377 * src/system.h (errno): Remove declaration, as we are now
13378 assuming C89 or better, and C89 guarantees errno.
13380 2002-10-30 Paul Eggert <eggert@twinsun.com>
13382 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
13383 Check for close failures.
13384 * src/files.h (xfclose): Return void, not int, since it always
13386 * src/files.c (xfclose): Likewise. Report I/O error if ferror
13388 * src/output.c (output_skeleton): Use xfclose rather than fclose
13389 and ferror. xfclose now checks ferror.
13391 * data/glr.c (YYLEFTMOST_STATE): Remove.
13392 (yyreportTree): Use a stack-based leftmost state. This avoids
13393 our continuing battles with bogus warnings about initializers.
13395 2002-10-30 Akim Demaille <akim@epita.fr>
13397 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
13400 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13402 * tests/glr-regr1.at: New test for reported regressions.
13403 * tests/testsuite.at: Add glr-regr1.at test.
13404 * tests/Makefile.am: Add glr-regr1.at test.
13406 2002-10-24 Paul Eggert <eggert@twinsun.com>
13410 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
13411 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
13412 we use malloc. Don't assume 'A' through 'Z' are contiguous.
13413 Don't assume strdup exists; POSIX says its an XSI extension.
13414 Check for buffer overflow on input.
13416 2002-10-24 Akim Demaille <akim@epita.fr>
13418 * src/output.c (output_skeleton): Don't disable M4sugar comments
13419 too soon: it results in comments being expanded.
13420 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
13423 2002-10-24 Akim Demaille <akim@epita.fr>
13425 * data/yacc.c (m4_int_type): New.
13426 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
13427 char' as only yacc.c wants K&R portability.
13428 * data/glr.c (yysigned_char): Remove.
13429 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
13430 Reported by Quoc Peyrot.
13432 2002-10-23 Paul Eggert <eggert@twinsun.com>
13434 * src/main.c (main): With --trace=time, report times even if a
13435 non-fatal error occurs. Formerly, the times were reported in some
13436 such cases but not in others.
13437 * src/reader.c (reader): Just return if a complaint has been issued,
13438 instead of exiting, so that 'main' can report times.
13440 2002-10-22 Akim Demaille <akim@epita.fr>
13442 * src/system.h: Include sys/types.
13443 Reported by Bert Deknuydt.
13445 2002-10-23 Paul Eggert <eggert@twinsun.com>
13447 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
13448 Suggested by Art Haas.
13450 2002-10-22 Paul Eggert <eggert@twinsun.com>
13452 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
13453 decl; not needed any more.
13454 * src/main.c (main): Use return to exit, undoing yesterday's change.
13455 The last OS that we could find where this wouldn't work is
13456 SunOS 3.5, and that's too old to worry about now.
13458 * data/glr.c (struct yyltype): Define members even when not
13459 doing locations. This is more consistent with yacc.c, and it
13460 works around the following bug reports:
13461 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
13462 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
13464 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
13465 @acronym consistently. Standardize on "Yacc" instead of "YACC",
13466 "Algol" instead of "ALGOL". Give a bit more history about BNF.
13468 2002-10-22 Akim Demaille <akim@epita.fr>
13470 * data/README: New.
13472 2002-10-21 Paul Eggert <eggert@twinsun.com>
13474 Be consistent about 'bool'; the old code used an enum in one
13475 module and an int in another, and this violates the C standard.
13476 * m4/stdbool.m4: New file, from coreutils 4.5.3.
13477 * configure.ac (AC_HEADER_STDBOOL): Add.
13478 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
13479 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
13480 * src/symtab.c (hash_compare_symbol_t): Likewise.
13481 * src/system.h (bool, false, true): Use a definition consistent
13482 with ../lib/hash.c. All uses changed.
13484 * src/complain.c (warning_issued): Renamed from warn_message_count,
13485 so that we needn't worry about integer overflow (!).
13486 Now of type bool. All uses changed.
13487 (complaint_issued): Renamed from complain_message_count; likewise.
13489 * src/main.c (main): Use exit to exit with failure.
13491 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
13492 rather than 1 and 0.
13493 * src/main.c (main): Likewise.
13494 * src/getargs.c (getargs): Likewise.
13495 * src/reader.c (reader): Likewise.
13497 * src/getarg.c (getargs): Remove duplicate code for
13498 "Try `bison --help'".
13500 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
13501 What was that "2" for?
13503 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
13504 * src/getargs.c (usage): Likewise.
13506 * src/getargs.c (getargs): When there are too few operands, report
13507 the last one. When there are too many, report the first extra
13508 one. This is how diffutils does it.
13510 2002-10-20 Paul Eggert <eggert@twinsun.com>
13512 Remove K&R vestiges.
13513 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
13514 * src/complain.c (VA_START): Remove. Assume prototypes.
13515 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
13516 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
13517 fatal): Assume prototypes.
13518 * src/complain.h: Assume prototypes.
13519 * src/system.h (PARAMS): Remove.
13520 Include <limits.h> unconditionally, since it's guaranteeed even
13521 for a freestanding C89 compiler.
13522 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
13523 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
13525 2002-10-20 Akim Demaille <akim@epita.fr>
13527 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
13528 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
13529 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
13530 (yyresolveStates, yyresolveAction, yyresolveStack)
13531 (yyprocessOneStack): Use them.
13532 (yy_reduce_print): New.
13533 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
13535 2002-10-20 Akim Demaille <akim@epita.fr>
13537 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
13538 arguments and output `void'.
13539 (b4_c_function): Rename as...
13540 (b4_c_function_def): this.
13541 (b4_c_function_decl, b4_c_ansi_function_def)
13542 (b4_c_ansi_function_decl): New.
13543 Change the interpretation of the arguments: before `int, foo', now
13545 * data/yacc.c (yyparse): Prototype and define thanks to these.
13546 Adjust b4_c_function_def uses.
13547 * data/glr.c (yyparse): Likewise, but ANSI only.
13549 2002-10-20 Akim Demaille <akim@epita.fr>
13551 * src/output.c (prepare): Move the definition of `tokens_number',
13552 `nterms_number', `undef_token_number', `user_token_number_max'
13554 (prepare_tokens): Here.
13555 (prepare_tokens): Rename as...
13556 (prepare_symbols): this.
13557 (prepare): Move the definition of `rules_number' to...
13558 (prepare_rules): here.
13559 (prepare): Move the definition of `last', `final_state_number',
13560 `states_number' to...
13561 (prepare_states): here.
13562 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
13564 2002-10-20 Akim Demaille <akim@epita.fr>
13566 * src/tables.h, src/tables.c, src/output.c: Comment changes.
13568 2002-10-20 Akim Demaille <akim@epita.fr>
13570 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
13573 2002-10-20 Akim Demaille <akim@epita.fr>
13575 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
13576 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
13578 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
13580 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
13581 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
13584 2002-10-19 Paul Eggert <eggert@twinsun.com>
13586 Do not create a temporary file, as that involves security and
13587 cleanup headaches. Instead, use a pair of pipes.
13588 Derived from a suggestion by Florian Krohm.
13589 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
13590 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
13591 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
13592 (BISON_PREREQ_SUBPIPE): Add.
13593 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
13594 Add subpipe.h, subpipe.c.
13595 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
13596 * po/POTFILES.in: Add lib/subpipe.c.
13597 * src/output.c: Include "subpipe.h".
13598 (m4_invoke): Remove decl.
13599 (scan_skel): New decl.
13600 (output_skeleton): Use pipe rather than temporary file for m4 input.
13601 Check that m4sugar.m4 is readable, to avoid deadlock.
13602 Check for pipe I/O error.
13603 * src/scan-skel.l (readpipe): Remove decl.
13604 (scan_skel): New function, to be used in place of m4_invoke.
13605 Read from stream rather than file.
13607 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
13608 float, as this generates a warning on Solaris 8 + GCC 3.2 with
13609 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
13610 this generates a more-accurate value anyway.
13612 * lib/timevar.c (timervar_accumulate): Rename locals to
13613 avoid confusion with similarly-named more-global.
13614 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
13616 * src/output.c (prepare): Use xstrdup to convert char const *
13617 to char *, to avoid GCC warning.
13619 2002-10-19 Akim Demaille <akim@epita.fr>
13621 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
13622 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
13623 Use them to have `calc.y' ready for %pure-parser.
13624 * data/yacc.c (YYLEX): Pass a yylex return type to
13625 b4_c_function_call.
13627 2002-10-19 Akim Demaille <akim@epita.fr>
13629 Prototype support of %lex-param and %parse-param.
13631 * src/parse-gram.y: Add the definition of the %lex-param and
13632 %parse-param tokens, plus their rules.
13633 Drop the `_' version of %glr-parser.
13635 * src/scan-gram.l (INITIAL): Scan them.
13636 * src/muscle_tab.c: Comment changes.
13637 (muscle_insert, muscle_find): Rename `pair' as `probe'.
13638 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
13639 (muscle_entry_s): The `value' member is no longer const.
13640 Adjust all dependencies.
13641 * src/muscle_tab.c (muscle_init): Adjust: use
13642 MUSCLE_INSERT_STRING.
13643 Initialize the obstack earlier.
13644 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
13645 (muscle_pair_list_grow): New.
13646 * data/c.m4 (b4_c_function_call, b4_c_args): New.
13647 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
13648 * tests/calc.at: Use %locations, not --locations.
13649 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
13651 2002-10-19 Akim Demaille <akim@epita.fr>
13653 * src/getargs.c (usage): Take status as argument and exit
13655 Report the traditional `Try ... --help' message when status != 0.
13656 (usage, version): Don't take a FILE * as arg, it is pointless.
13657 (getargs): When there is an incorrect number of arguments, make it
13658 an error, and report it GNUlically thanks to `usage ()'.
13660 2002-10-18 Paul Eggert <eggert@twinsun.com>
13662 * data/glr.c (yyreportParseError): Don't assume that sprintf
13663 yields the length of the printed string, as this is not true
13664 on SunOS 4.1.4. Reported by Peter Klein.
13666 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
13667 * tests/conflicts.at (%nonassoc and eof): Likewise.
13668 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
13670 2002-10-17 Akim Demaille <akim@epita.fr>
13672 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
13673 * src/getargs.c (trace_types, trace_args): Adjust.
13674 * src/reader.c (grammar_current_rule_prec_set)
13675 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
13676 Standardize error messages.
13677 And s/@prec/%prec/!
13678 (reader): Use trace_flag to enable scanner/parser debugging,
13679 instead of an adhoc scheme.
13680 * src/scan-gram.l: Remove trailing debugging code.
13682 2002-10-16 Paul Eggert <eggert@twinsun.com>
13684 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
13687 * NEWS: Officially drop support for building Bison with K&R C,
13688 since it didn't work anyway and it's not worth worrying about.
13689 * Makefile.maint (wget_files): Remove ansi2knr.c.
13690 (ansi2knr.c-url_prefix): Remove.
13691 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
13692 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
13693 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
13695 2002-10-15 Paul Eggert <eggert@twinsun.com>
13697 Stop using the "enum_" trick for K&R-style function definitions;
13698 it confused me, and I was the author! Instead, assume that people
13699 who want to use K&R C compilers (when using these modules in GCC,
13700 perhaps?) will run ansi2knr.
13702 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
13703 All uses of "enum_" changed to "enum ".
13704 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
13705 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
13707 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
13708 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
13709 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
13710 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
13711 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
13712 abitset_not, abitset_ones, abitset_or, abitset_or_and,
13713 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
13714 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
13715 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
13716 Use function prototypes; this removes the need for declaring
13717 static functions simply to provide their prototypes.
13718 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
13719 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
13720 bitset_count_, bitset_create, bitset_dump, bitset_first,
13721 bitset_free, bitset_init, bitset_last, bitset_next,
13722 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
13723 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
13724 bitset_print, bitset_release_memory, bitset_toggle_,
13725 bitset_type_choose, bitset_type_get, bitset_type_name_get,
13726 debug_bitset): Likewise.
13727 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
13728 * lib/bitset_stats.c (bitset_log_histogram_print,
13729 bitset_percent_histogram_print, bitset_stats_and,
13730 bitset_stats_and_cmp, bitset_stats_and_or,
13731 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
13732 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
13733 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
13734 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
13735 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
13736 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
13737 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
13738 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
13739 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
13740 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
13741 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
13742 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
13743 bitset_stats_zero): Likewise.
13744 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
13745 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
13746 bitsetv_dump, debug_bitsetv): Likewise.
13747 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
13748 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
13749 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
13750 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
13751 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
13752 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
13753 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
13754 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
13755 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
13756 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
13757 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
13759 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
13760 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
13761 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
13762 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
13763 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
13764 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
13765 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
13766 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
13767 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
13768 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
13769 lbitset_xor_cmp, lbitset_zero): Likewise.
13771 2002-10-14 Akim Demaille <akim@epita.fr>
13775 2002-10-14 Akim Demaille <akim@epita.fr>
13777 * tests/Makefile.am (maintainer-check-posix): New.
13779 2002-10-14 Akim Demaille <akim@epita.fr>
13781 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
13784 2002-10-14 Akim Demaille <akim@epita.fr>
13786 * src/tables.c (table_ninf_remap): base -> tab.
13787 Reported by Matt Rosing.
13789 2002-10-14 Paul Eggert <eggert@twinsun.com>
13791 * tests/action.at, tests/calc.at, tests/conflicts.at,
13792 tests/cxx-type.at, tests/headers.at, tests/input.at,
13793 tests/regression.at, tests/synclines.at, tests/torture.at:
13794 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
13795 so that the tests still work even if POSIXLY_CORRECT is set.
13796 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
13798 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
13799 for portability to K&R hosts. Fix typo: signed char is guaranteed
13800 only to 127, not to 128.
13801 * data/glr.c (yysigned_char): New type.
13802 * data/yacc.c (yysigned_char): Likewise.
13803 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
13805 2002-10-13 Paul Eggert <eggert@twinsun.com>
13807 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
13808 true due to limited range of data type" warning from GCC.
13810 * data/c.m4 (b4_token_defines): Protect against double-inclusion
13811 by wrapping enum yytokentype's definition inside #ifndef
13812 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
13814 2002-10-13 Akim Demaille <akim@epita.fr>
13816 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
13817 Un yy- yyrhs to avoid the name clash with the global YYRHS.
13819 2002-10-13 Akim Demaille <akim@epita.fr>
13821 * Makefile.maint: Update from Autoconf 2.54.
13822 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
13824 2002-10-13 Akim Demaille <akim@epita.fr>
13826 * src/print.c (print_state): Separate the list of solved conflicts
13827 from the other items.
13828 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
13830 2002-10-13 Akim Demaille <akim@epita.fr>
13832 Let nondeterministic skeletons be usable with deterministic
13835 With the patch, GAWK compiled by GCC without -O2 passes its test
13836 suite using a GLR parser driven by LALR tables. It fails with -O2
13837 because `struct stat' gives two different answers on my machine:
13838 88 (definition of an auto var) and later 96 (memset on this var).
13839 Hence the stack is badly corrumpted. The headers inclusion is to
13840 blame: if I move the awk.h inclusion before GLR's system header
13841 inclusion, the two struct stat have the same size.
13843 * src/tables.c (pack_table): Always create conflict_table.
13844 (token_actions): Always create conflict_list.
13845 * data/glr.c (YYFLAG): Remove, unused.
13847 2002-10-13 Akim Demaille <akim@epita.fr>
13849 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
13851 (VALGRIND, GXX): New.
13852 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
13853 * tests/bison.in: Run $PREBISON a pre-command.
13854 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
13855 (maintainer-check-g++): New.
13856 * Makefile.am (maintainer-check): New.
13858 2002-10-13 Akim Demaille <akim@epita.fr>
13860 * data/glr.c: Formatting changes.
13861 Tweak some trace messages to match yacc.c's.
13863 2002-10-13 Akim Demaille <akim@epita.fr>
13865 GLR parsers sometimes raise parse errors instead of performing the
13867 Reported by Charles-Henry de Boysson.
13869 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
13870 check the length of the traces when %glr.
13871 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
13873 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
13875 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
13876 (yyltype): Remove the yy prefix from the member names.
13877 (yytable): Complete its comment.
13878 (yygetLRActions): Map error action number from YYTABLE from
13880 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
13881 (which was a bug: it should have been YYTABEL_NINF, and yet it was
13882 not satisfying as we could compare an YYACTION computed from
13883 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
13884 only value for error actions.
13885 (yyreportParseError): In verbose parse error messages, don't issue
13886 `error' in the list of expected tokens.
13887 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
13888 next action to perform to match glr.c's decoding.
13889 (yytable): Complete its comment.
13891 2002-10-13 Paul Eggert <eggert@twinsun.com>
13893 Fix problem reported by Henrik Grubbstroem in
13894 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
13895 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
13896 because the Bison parser reads the second action before reducing
13898 * src/scan-gram.l (rule_length): New static var.
13899 Use it to keep track of the rule length in the scanner, since
13900 we can't expect the parser to be in lock-step sync with the scanner.
13901 (handle_action_dollar, handle_action_at): Use this var.
13902 * tests/actions.at (Exotic Dollars): Test for the problem.
13904 2002-10-12 Paul Eggert <eggert@twinsun.com>
13906 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
13907 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
13908 Include <sys/time.h> when checking for clock_t and struct tms.
13909 Use same include order as source.
13910 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
13911 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
13913 * lib/timevar.c: Update copyright date and clarify comments.
13914 (get_time) [IN_GCC]: Keep the GCC version for reference.
13916 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
13917 GCC version as of today, then merge Bison's changes.
13918 Change "GCC" to "Bison" in copyright notice. timevar.def's
13919 author is Akim, so change that too.
13921 * src/reader.c (grammar_current_rule_check):
13922 Don't worry about the default action if $$ is untyped.
13923 Prevents bogus warnings reported by Jim Gifford in
13924 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
13926 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
13927 * data/glr.c, data/lalr1.cc, data/yacc.c:
13928 Output token definitions before the first part of user declarations.
13929 Fixes compatibility problem reported by Jim Gifford for kbd in
13930 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
13932 2002-10-11 Paul Eggert <eggert@twinsun.com>
13934 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
13935 (yyparse): here. This undoes some of the 2002-07-25 change.
13936 Compatibility problem reported by Ralf S. Engelschall with
13937 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
13939 2002-10-11 Akim Demaille <akim@epita.fr>
13941 * tests/regression.at Characters Escapes): New.
13942 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
13944 Reported by Jan Nieuwenhuizen.
13946 2002-10-11 Akim Demaille <akim@epita.fr>
13950 2002-10-10 Paul Eggert <eggert@twinsun.com>
13952 Portability fixes for bitsets; this also avoids several GCC
13955 * lib/abitset.c: Include <stddef.h>, for offsetof.
13956 * lib/lbitset.c: Likewise.
13958 * lib/abitset.c (abitset_bytes): Return a size that is aligned
13959 properly for vectors of objects. Do not assume that adding a
13960 header size to a multiple of a word size yields a value that is
13961 properly aligned for the whole union.
13962 * lib/bitsetv.c (bitsetv_alloc): Likewise.
13964 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
13965 unique names for structures.
13966 * lib/ebitset.c (ebitset_bytes): Likewise.
13967 * lib/lbitset.c (lbitset_bytes): Likewise.
13969 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
13970 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
13971 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
13972 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
13973 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
13974 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
13975 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
13976 to improve the type-checking that GCC can do.
13977 * lib/bitset.c (bitset_op4_cmp): Likewise.
13978 * lib/bitset_stats.c (bitset_stats_count,
13979 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
13980 bitset_stats_copy, bitset_stats_disjoint_p,
13981 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
13982 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
13983 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
13984 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
13985 bitset_stats_and_or_cmp, bitset_stats_andn_or,
13986 bitset_stats_andn_or_cmp, bitset_stats_or_and,
13987 bitset_stats_or_and_cmp): Likewise.
13988 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
13989 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
13990 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
13991 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
13993 * lib/abitset.h: Include bitset.h, not bbitset.h.
13994 * lib/ebitset.h: Likewise.
13995 * lib/lbitset.h: Likewise.
13997 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
13998 All instances of parameters of type enum bitset_opts are now of
13999 type enum_bitset_opts, to conform to the C Standard, and similarly
14000 for enum_bitset_type.
14001 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14002 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14004 Do not use "struct bitset_struct" to mean different things in
14005 different modules. Not only is this confusing, it violates
14006 the C Standard, which requires that structure types in different
14007 modules must be compatible if one is to be passed to the other.
14008 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
14009 All instances of "struct bitset_struct *" replaced with "bitset".
14010 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
14011 (union bitset_union, struct abitset_struct, struct ebitset_struct,
14012 struct lbitset_struct, struct bitset_stats_struct): New types.
14013 All uses of struct bitset_struct changed to union bitset_union,
14015 * lib/abitset.c (struct abitset_struct, abitset,
14016 struct bitset_struct): Remove.
14017 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
14018 struct bitset_struct): Remove.
14019 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
14020 bitset_struct): Remove.
14021 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
14024 Do not call a function of type T using a call that assumes the
14025 function is of a different type U. Standard C requires that a
14026 function must be called with a type that is compatible with its
14028 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14030 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14032 * lib/ebitset.c (PFV): Remove.
14033 * lib/lbitset.c (PFV): Likewise.
14034 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
14035 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
14037 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
14038 (ebitset_vtable): Use them.
14039 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
14040 lbitset_xor): New functions.
14041 (lbitset_vtable): Use them.
14043 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
14046 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
14048 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
14049 Use offsetof, for simplicity.
14051 2002-10-06 Paul Eggert <eggert@twinsun.com>
14053 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
14054 the same width as int. This reapplies a hunk of the 2002-08-12 patch
14055 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
14056 which was inadvertently undone by the 2002-09-30 patch.
14057 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
14058 the same width as int.
14060 2002-10-04 Paul Eggert <eggert@twinsun.com>
14064 * configure.ac (AC_INIT), NEWS: Increment version number.
14066 * doc/bison.texinfo: Minor spelling, grammar, and white space
14068 (Symbols): Mention that any negative value returned from yylex
14069 signifies end-of-input. Warn about negative chars. Mention
14070 the portable Standard C character set.
14072 The GNU coding standard says CFLAGS and YFLAGS are reserved
14073 for the installer to set.
14074 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
14075 * src/Makefile.am (AM_CFLAGS): Likewise.
14076 (AM_YFLAGS): Renamed from YFLAGS.
14078 Fix some MAX and MIN problems.
14079 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
14080 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
14081 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
14082 * src/reader.c (reader): Use it.
14084 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
14085 POSIX 1003.1-2001 has removed fgrep.
14087 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14089 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
14090 interpreted as signed.
14091 * lib/ebitset.c (ebitset_list): Fix bug.
14093 2002-10-01 Paul Eggert <eggert@twinsun.com>
14095 More fixes for 64-bit hosts and large bitsets.
14097 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
14098 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
14099 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
14100 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
14101 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
14102 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
14103 bitset_count_): Likewise.
14104 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
14105 bitset_first, bitset_last): Likewise.
14106 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
14107 bitset_stats_list_reverse, bitset_stats_size,
14108 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
14110 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14111 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14112 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14113 bitsetv_reflexive_transitive_closure): Likewise.
14114 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
14115 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
14117 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
14120 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
14121 Use size_t, not unsigned int, to count bytes.
14122 * lib/abitset.h (abitset_bytes): Likewise.
14123 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
14125 * lib/bitset.h (bitset_bytes): Likewise.
14126 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
14127 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
14128 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14129 * lib/ebitset.c (ebitset_bytes): Likewise.
14130 * lib/ebitset.h (ebitset_bytes): Likewise.
14131 * lib/lbitset.c (lbitset_bytes): Likewise.
14132 * lib/lbitset.h (lbitset_bytes): Likewise.
14134 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
14135 abitset_subset_p, abitset_disjoint_p, abitset_and,
14136 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
14137 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
14138 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
14139 abitset_or_and, abitset_or_and_cmp):
14140 Use bitset_windex instead of unsigned int.
14141 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14142 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
14143 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
14144 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
14146 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
14148 * lib/bitset.c (bitset_print):
14149 Use proper printf formats for widths of integer types.
14150 * lib/bitset_stats.c (bitset_percent_histogram_print,
14151 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
14152 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14153 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14154 * lib/lbitset.c (lbitset_bytes): Likewise.
14156 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
14157 BITSET_SIZE_MAX): New macros.
14158 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
14159 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
14160 to BITSET_WINDEX_MAX.
14162 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
14163 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
14164 since we now return the bitset_bindex type (not int).
14166 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
14167 when computing sizes.
14168 * lib/ebitset.c (ebitset_elts_grow): Likewise.
14170 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
14171 and avoid cast to unsigned.
14173 2002-09-30 Akim Demaille <akim@epita.fr>
14175 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14176 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
14177 Updates from Michael Hayes.
14179 2002-09-30 Art Haas <ahaas@neosoft.com>
14181 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
14183 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
14186 2002-09-27 Akim Demaille <akim@epita.fr>
14190 2002-09-27 Akim Demaille <akim@epita.fr>
14192 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
14193 (Because of AC_LIBSOURCE).
14195 2002-09-27 Akim Demaille <akim@epita.fr>
14197 Playing with Autoscan.
14199 * configure.ac: Remove the old LIBOBJ tweaks.
14200 (AC_REPLACE_FUNCS): Add strrchr and strtol.
14201 * lib/strrchr.c: New.
14202 * lib/strtol.c: New, from the Coreutils 4.5.1.
14204 2002-09-27 Akim Demaille <akim@epita.fr>
14206 Playing with Autoscan.
14208 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
14209 * lib/Makefile.am (libbison_a_SOURCES): No longer include
14210 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
14211 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
14214 2002-09-24 Akim Demaille <akim@epita.fr>
14216 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
14217 (Frequently Asked Questions, Parser Stack Overflow): New.
14219 2002-09-13 Akim Demaille <akim@epita.fr>
14221 Playing with autoscan.
14223 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
14224 * src/files.c (skeleton_find): Remove, unused.
14225 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
14226 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
14228 2002-09-13 Akim Demaille <akim@epita.fr>
14230 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
14231 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
14233 2002-09-13 Akim Demaille <akim@epita.fr>
14235 * configure.ac: Require 2.54.
14236 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
14237 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
14238 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
14239 Remove, provided by Autoconf macros.
14241 2002-09-12 Akim Demaille <akim@epita.fr>
14243 * m4/prereq.m4: Update, from Coreutils 4.5.1.
14245 2002-09-12 Akim Demaille <akim@epita.fr>
14247 * m4/prereq.m4: Update, from Fileutils 4.1.5.
14248 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
14249 Reported by Martin Mokrejs.
14251 2002-09-10 Akim Demaille <akim@epita.fr>
14253 * src/parse-gram.y: Associate a human readable string to each
14255 * tests/regression.at (Invalid inputs): Adjust.
14257 2002-09-10 Gary V. Vaughan <gary@gnu.org>
14259 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
14260 with an Autoconf-2.5x style configure.ac.
14262 2002-09-06 Paul Eggert <eggert@twinsun.com>
14264 * doc/bison.texinfo (Conditions): Make explicit that the GPL
14265 exception applies only to yacc.c. This is a modification of a
14266 patch originally suggested by Akim Demaille.
14268 2002-09-06 Akim Demaille <akim@epita.fr>
14270 * data/c.m4 (b4_copyright): Move the GPL exception comment from
14272 * data/yacc.c: here.
14274 * data/lalr1.cc (struct yyltype): Don't define it, since we use
14276 (b4_ltype): Default to yy::Location from location.hh.
14278 2002-09-04 Jim Meyering <jim@meyering.net>
14280 * data/yacc.c: Guard the declaration of yytoknum also with
14281 `#ifdef YYPRINT', so it is declared only when used.
14283 2002-09-04 Akim Demaille <akim@epita.fr>
14285 * configure.in: Rename as...
14286 * configure.ac: this.
14289 2002-09-04 Akim Demaille <akim@epita.fr>
14291 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
14292 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
14293 translate maintainer only messages.
14295 2002-08-12 Paul Eggert <eggert@twinsun.com>
14299 * Makefile.am (SUBDIRS): Remove intl.
14300 (DISTCLEANFILES): Remove.
14301 * NEWS: Mention that GNU M4 is now required. Clarify what is
14302 meant by "larger grammars". Mention the pt_BR translation.
14303 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
14304 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
14305 Bump version from 0.11.2 to 0.11.5.
14306 (BISON_PREREQ_STAGE): Remove.
14307 (AM_GNU_GETTEXT): Use external gettext.
14308 (AC_OUTPUT): Remove intl/Makefile.
14310 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
14312 * data/glr.c: Include string.h, for strlen.
14313 (yyreportParseError): Use size_t for yysize.
14314 (yy_yypstack): No longer nested inside yypstates, as nested
14315 functions are not portable. Do not assume size_t is the
14317 (yypstates): Do not assume that ptrdiff_t is the same width
14318 as int, and similarly for yyposn and YYINDEX.
14320 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
14322 * lib/Makefile.am (INCLUDES): Do not include from the intl
14323 directory, which has been removed.
14324 * src/Makefile.am (INCLUDES): Likewise.
14326 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
14327 (bitsets_sources, additional_bitsets_sources, timevars_sources):
14330 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
14331 * tests/Makefile.am (EXTRA_DIST): Likewise.
14333 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
14334 Do not assume that bitset_windex is the same width as unsigned.
14336 * lib/abitset.c (abitset_unused_clear): Do not assume that
14337 bitset_word is the same width as int.
14338 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
14339 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
14340 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
14341 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
14342 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
14344 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
14345 portability to one's complement hosts!).
14346 * lib/ebitset.c (ebitset_op1): Likewise.
14347 * lib/lbitset.c (lbitset_op1): Likewise.
14349 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
14350 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
14351 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
14352 Sync with fileutils.
14353 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
14354 lib/gettext.h: Sync with diffutils.
14356 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
14357 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
14359 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
14360 PROTOTYPES to check for prototypes, and "defined __STDC__" to
14363 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
14364 size_t; the old version tried to do this but casted improperly.
14365 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
14366 (bitset_test): Now returns int, not unsigned long.
14368 * lib/bitset_stats.c: Include "gettext.h".
14370 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
14371 name locals "index", as it generates unnecessary warnings on some
14372 hosts that have an "index" function.
14374 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
14375 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
14376 they need translation.
14377 * src/LR0.c (state_list_append, new_itemsets, get_state,
14378 append_states, generate_states): Likewise.
14379 * src/assoc.c (assoc_to_string): Likewise.
14380 * src/closure.c (print_closure, set_firsts, closure): Likewise.
14381 * src/gram.c (grammar_dump): Likewise.
14382 * src/injections.c (injections_compute): Likewise.
14383 * src/lalr.c (lookaheads_print): Likewise.
14384 * src/relation.c (relation_transpose): Likewise.
14385 * src/scan-gram.l: Likewise.
14386 * src/tables.c (table_grow, pack_vector): Likewise.
14388 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
14389 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
14390 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
14391 * m4/mbstate_t.m4: Sync with fileutils.
14392 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
14394 * po/LINGUAS: Add pt_BR.
14395 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
14396 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
14398 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
14400 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
14402 * src/complain.c (strerror_r): Remove decl; not needed.
14403 (strerror): Use same pattern as ../lib/error.c.
14405 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
14407 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
14409 * src/main.c (main): Cast result of bindtextdomain and textdomain
14410 to void, to avoid a GCC warning when --disable-nls is in effect.
14412 * src/scan-gram.l: Use strings rather than escapes when possible,
14413 to minimize the number of warnings from xgettext.
14414 (handle_action_dollar, handle_action_at): Don't use isdigit,
14415 as it mishandles negative chars and it may not work as expected
14416 outside the C locale.
14418 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
14419 this is a GCC extension and is not portable to other compilers.
14421 * src/system.h (alloca): Use same pattern as ../lib/error.c.
14422 Do not include <ctype.h>; no longer needed.
14423 Do not include <malloc.h>; no longer needed (and generates
14424 warnings on OpenBSD 3.0).
14426 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
14429 * tests/regression.at: Do not use 'cc -c input.c -o input';
14430 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
14432 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
14433 exit status as failure, not just exit status 1. Sun C exits
14434 with status 2 sometimes.
14436 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
14437 Use it for the two large tests.
14439 2002-08-02 Akim Demaille <akim@epita.fr>
14441 * src/conflicts.c (conflicts_output): Don't output rules never
14442 reduced here, since anyway that computation doesn't work.
14443 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
14444 (rule_useless_p, rule_never_reduced_p): New.
14445 (grammar_rules_partial_print): Use a filter instead of a range.
14446 Display the title only if needed.
14447 (grammar_rules_print): Adjust.
14448 (grammar_rules_never_reduced_report): New.
14449 * src/tables.c (action_row): Move the computation of rules never
14451 (token_actions): here.
14452 * src/main.c (main): Make the parser before making the report, so
14453 that rules never reduced are computed.
14454 Call grammar_rules_never_reduced_report.
14455 * src/print.c (print_results): Report rules never reduced.
14456 * tests/conflicts.at, tests/reduce.at: Adjust.
14458 2002-08-01 Akim Demaille <akim@epita.fr>
14460 Instead of attaching lookaheads and duplicating the rules being
14461 reduced by a state, attach the lookaheads to the reductions.
14463 * src/state.h (state_t): Remove the `lookaheads',
14464 `lookaheads_rule' member.
14465 (reductions_t): Add a `lookaheads' member.
14466 Use a regular array for the `rules'.
14467 * src/state.c (reductions_new): Initialize the lookaheads member
14469 (state_rule_lookaheads_print): Adjust.
14470 * src/state.h, src/state.c (state_reductions_find): New.
14471 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
14472 (count_rr_conflicts): Adjust.
14473 * src/lalr.c (LArule): Remove.
14474 (add_lookback_edge): Adjust.
14475 (state_lookaheads_count): New.
14476 (states_lookaheads_initialize): Merge into...
14477 (initialize_LA): this.
14478 (lalr_free): Adjust.
14479 * src/main.c (main): Don't free nullable and derives too early: it
14480 is used by --verbose.
14481 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
14483 2002-08-01 Akim Demaille <akim@epita.fr>
14485 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
14487 (set_derives, free_derives): Rename as...
14488 (derives_compute, derives_free): this.
14489 Adjust all dependencies.
14490 * src/nullable.c (set_nullable, free_nullable): Rename as...
14491 (nullable_compute, nullable_free): these.
14492 (rule_list_t): Store rule_t *, not rule_number_t.
14493 * src/state.c (state_rule_lookaheads_print): Directly compare rule
14494 pointers, instead of their numbers.
14495 * src/main.c (main): Call nullable_free, and derives_free earlier,
14496 as they were lo longer used.
14498 2002-08-01 Akim Demaille <akim@epita.fr>
14500 * lib/timevar.c (get_time): Include children time.
14501 * src/lalr.h (LA, LArule): Don't export them: used with the
14503 * src/lalr.c (LA, LArule): Static.
14504 * src/lalr.h, src/lalr.c (lalr_free): New.
14505 * src/main.c (main): Call it.
14506 * src/tables.c (pack_vector): Check whether loc is >= to the
14508 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
14509 (tables_generate): do it, since that's also it which allocates
14511 Don't free LA and LArule, main does.
14513 2002-07-31 Akim Demaille <akim@epita.fr>
14515 Separate parser tables computation and output.
14517 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
14518 (conflict_list, conflict_list_cnt, table, check, table_ninf)
14519 (yydefgoto, yydefact, high): Move to...
14520 * src/tables.h, src/tables.c: here.
14521 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
14522 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
14523 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
14524 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
14525 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
14526 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
14527 (action_row, save_row, token_actions, save_column, default_goto)
14528 (goto_actions, sort_actions, matching_state, pack_vector)
14529 (table_ninf_remap, pack_table, prepare_actions): Move to...
14530 * src/tables.c: here.
14531 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
14532 * src/output.c (token_actions, output_base, output_conflicts)
14533 (output_check): Merge into...
14534 (prepare_actions): this.
14535 (actions_output): Rename as...
14536 (user_actions_output): this.
14537 * src/main.c (main): Call tables_generate and tables_free.
14539 2002-07-31 Akim Demaille <akim@epita.fr>
14541 Steal GCC's --time-report support.
14543 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
14544 stolen/adjusted from GCC.
14545 * m4/stage.m4: Remove time related checks.
14546 * m4/timevar.m4: New.
14547 * configure.in: Adjust.
14548 * src/system.h: Adjust to using timevar.h.
14549 * src/getargs.h, src/getargs.c: Support trace_time for
14551 * src/main.c (stage): Remove.
14552 (main): Replace `stage' invocations with timevar calls.
14553 * src/output.c: Insert pertinent timevar calls.
14555 2002-07-31 Akim Demaille <akim@epita.fr>
14557 Let --trace have arguments.
14559 * src/getargs.h (enum trace_e): New.
14560 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
14561 (long_options, short_options): --trace/-T takes an optional
14563 Change all the uses of trace_flag to reflect the new flags.
14564 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
14566 Strengthen `stage' portability.
14568 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
14569 * configure.in: Use it.
14570 Don't check for malloc.h and sys/times.h.
14571 * src/system.h: Include them when appropriate.
14572 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
14573 times and struct tms are available.
14575 2002-07-30 Akim Demaille <akim@epita.fr>
14577 In verbose parse error message, don't report `error' as an
14579 * tests/actions.at (Printers and Destructors): Adjust.
14580 * tests/calc.at (Calculator $1): Adjust.
14581 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
14582 error message, do not report the parser accepts the error token in
14585 2002-07-30 Akim Demaille <akim@epita.fr>
14587 Normalize conflict related messages.
14589 * src/complain.h, src/complain.c (warn, complain): New.
14590 * src/conflicts.c (conflicts_print): Use them.
14591 (conflict_report_yacc): New, extracted from...
14592 (conflicts_print): here.
14593 * tests/conflicts.at, tests/existing.at: Adjust.
14595 2002-07-30 Akim Demaille <akim@epita.fr>
14597 Report rules which are never reduced by the parser: those hidden
14600 * src/LR0.c (save_reductions): Don't make the final state too
14601 different: save its reduction (accept) instead of having a state
14602 without any action (no shift or goto, no reduce).
14603 Note: the final state is now a ``regular'' state, i.e., the
14604 parsers now contain `reduce 0' as default reduction.
14605 Nevertheless, since they decide to `accept' when yystate =
14606 final_state, they still will not reduce rule 0.
14607 * src/print.c (print_actions, print_reduction): Adjust.
14608 * src/output.c (action_row): Track reduced rules.
14609 (token_actions): Report rules never reduced.
14610 * tests/conflicts.at, tests/regression.at: Adjust.
14612 2002-07-30 Akim Demaille <akim@epita.fr>
14614 `stage' was accidently included in a previous patch.
14615 Initiate its autoconfiscation.
14617 * configure.in: Look for malloc.h and sys/times.h.
14618 * src/main.c (stage): Adjust.
14619 Report only when trace_flag.
14621 2002-07-29 Akim Demaille <akim@epita.fr>
14623 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
14625 (errs_t): symbol_t*, not symbol_number_t.
14626 (reductions_t): rule_t*, not rule_number_t.
14627 (FOR_EACH_SHIFT): New.
14628 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
14629 * src/print.c, src/print_graph.c: Adjust.
14631 2002-07-29 Akim Demaille <akim@epita.fr>
14633 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
14635 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
14636 (endtoken, accept): these.
14637 * src/reader.c (reader): Set endtoken's default tag to "$end".
14638 Set undeftoken's tag to "$undefined" instead of "$undefined.".
14639 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
14642 2002-07-29 Akim Demaille <akim@epita.fr>
14644 * src/reduce.c (reduce_grammar): When the language is empty,
14645 complain about the start symbol, not the axiom.
14647 * tests/reduce.at (Empty Language): New.
14649 2002-07-26 Akim Demaille <akim@epita.fr>
14651 * src/reader.h, src/reader.c (gram_error): ... can't get
14652 yycontrol without making too strong assumptions on the parser
14654 * src/output.c (prepare_tokens): Use the real 0th value of
14655 token_translations instead of `0'.
14656 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
14658 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
14659 for the time being: %locations ought to provide it to yyerror.
14661 2002-07-25 Akim Demaille <akim@epita.fr>
14663 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
14664 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
14665 * tests/regression.at (Web2c Actions): Adjust.
14667 2002-07-25 Akim Demaille <akim@epita.fr>
14669 Stop storing rules from 1 to nrules + 1.
14671 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
14672 * src/nullable.c, src/output.c, src/print.c, src/reader.c
14673 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
14674 Iterate from 0 to nrules.
14675 Use rule_number_as_item_number and item_number_as_rule_number.
14676 Adjust to `derive' now containing possibly 0.
14677 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
14678 Handle the `- 1' part in rule numbers from/to item numbers.
14679 * src/conflicts.c (log_resolution): Fix the message which reversed
14681 * src/output.c (action_row): Initialize default_rule to -1.
14682 (token_actions): Adjust.
14683 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
14685 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
14687 2002-07-25 Akim Demaille <akim@epita.fr>
14689 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
14690 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
14691 (b4_c_knr_arg_decl): New.
14692 * data/yacc.c: Use it to define yysymprint, yydestruct, and
14693 yyreport_parse_error.
14695 2002-07-25 Akim Demaille <akim@epita.fr>
14697 * data/yacc.c (yyreport_parse_error): New, extracted from...
14699 (yydestruct, yysymprint): Move above yyparse.
14702 2002-07-25 Akim Demaille <akim@epita.fr>
14704 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
14706 (b4_sint_type, b4_uint_type): these.
14707 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
14708 * tests/regression.at (Web2c Actions): Adjust.
14710 2002-07-25 Akim Demaille <akim@epita.fr>
14712 * src/gram.h (TIEM_NUMBER_MAX): New.
14713 (item_number_of_rule_number, rule_number_of_item_number): Rename
14715 (rule_number_as_item_number, item_number_as_rule_number): these.
14716 Adjust dependencies.
14717 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
14718 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
14719 (symbol_number_to_vector_number): New.
14720 (order): Of vector_number_t* type.
14721 (base_t, BASE_MAX, BASE_MIN): New.
14722 (froms, tos, width, pos, check): Of base_t type.
14723 (action_number_t, ACTION_MIN, ACTION_MAX): New.
14724 (actrow): Of action_number_t type.
14725 (conflrow): Of unsigned int type.
14726 (table_ninf, base_ninf): New.
14727 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
14728 (muscle_insert_int_table, muscle_insert_base_table)
14729 (muscle_insert_rule_number_table): New.
14730 (prepare_tokens): Output `toknum' as int_table.
14731 (action_row): Returns a rule_number_t.
14732 Use ACTION_MIN, not SHRT_MIN.
14733 (token_actions): yydefact is rule_number_t*.
14734 (table_ninf_remap): New.
14735 (pack_table): Use it for `base' and `table'.
14736 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
14738 (YYPACT_NINF, YYTABLE_NINF): these.
14739 (yypact, yytable): Compute their types instead of hard-coded
14741 * tests/regression.at (Web2c Actions): Adjust.
14743 2002-07-19 Akim Demaille <akim@epita.fr>
14745 * src/scan-gram.l (id): Can start with an underscore.
14747 2002-07-16 Akim Demaille <akim@epita.fr>
14749 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
14750 Adjust all former `associativity' dependencies.
14751 * src/symtab.c (symbol_new): Default associativity is `undef', not
14753 (symbol_check_alias_consistence): Adjust.
14755 2002-07-09 Akim Demaille <akim@epita.fr>
14757 * doc/bison.texinfo: Properly set the ``header'' part.
14758 Use @dircategory ``GNU programming tools'' as per Texinfo's
14762 2002-07-09 Akim Demaille <akim@epita.fr>
14764 * lib/quotearg.h: Protect against multiple inclusions.
14765 * src/location.h (location_t): Add a `file' member.
14766 (LOCATION_RESET, LOCATION_PRINT): Adjust.
14767 * src/complain.c (warn_at, complain_at, fatal_at): Drop
14768 `error_one_per_line' support.
14770 2002-07-09 Akim Demaille <akim@epita.fr>
14772 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
14773 * src/reader.c (lineno): Remove.
14774 Adjust all dependencies.
14775 (get_merge_function): Take a location and use complain_at.
14776 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
14777 * tests/regression.at (Invalid inputs, Mixing %token styles):
14780 2002-07-09 Akim Demaille <akim@epita.fr>
14782 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
14783 recovery rule, and forbid extensions when --yacc.
14784 (gram_error): Use complain_at.
14785 * src/reader.c (reader): Exit if there were parse errors.
14787 2002-07-09 Akim Demaille <akim@epita.fr>
14789 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
14790 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
14791 Reported by R Blake <blakers@mac.com>.
14793 2002-07-09 Akim Demaille <akim@epita.fr>
14795 * data/yacc.c: Output the copyright notive in the header.
14797 2002-07-03 Akim Demaille <akim@epita.fr>
14799 * src/output.c (froms, tos): Are state_number_t.
14800 (save_column): sp, sp1, and sp2 are state_number_t.
14801 (prepare): Rename `final' as `final_state_number', `nnts' as
14802 `nterms_number', `nrules' as `rules_number', `nstates' as
14803 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
14805 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
14806 * data/lalr1.cc (nsym_): Remove, unused.
14808 2002-07-03 Akim Demaille <akim@epita.fr>
14810 * src/lalr.h, src/lalr.c (goto_number_t): New.
14811 * src/lalr.c (goto_list_t): New.
14813 * src/nullable.c (rule_list_t): New.
14815 * src/types.h: Remove.
14817 2002-07-03 Akim Demaille <akim@epita.fr>
14819 * src/closure.c (print_fderives): Use rule_rhs_print.
14820 * src/derives.c (print_derives): Use rule_rhs_print.
14821 (rule_list_t): New, replaces `shorts'.
14822 (set_derives): Add comments.
14823 * tests/sets.at (Nullable, Firsts): Adjust.
14825 2002-07-03 Akim Demaille <akim@epita.fr>
14827 * src/output.c (prepare_actions): Free `tally' and `width'.
14828 (prepare_actions): Allocate and free `order'.
14829 * src/symtab.c (symbols_free): Free `symbols'.
14830 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
14831 * src/output.c (m4_invoke): Move to...
14832 * src/scan-skel.l: here.
14833 (<<EOF>>): Close yyout, and free its name.
14835 2002-07-03 Akim Demaille <akim@epita.fr>
14837 Fix some memory leaks, and fix a bug: state 0 was examined twice.
14839 * src/LR0.c (new_state): Merge into...
14840 (state_list_append): this.
14841 (new_states): Merge into...
14842 (generate_states): here.
14843 (set_states): Don't ensure a proper `errs' state member here, do it...
14844 * src/conflicts.c (conflicts_solve): here.
14845 * src/state.h, src/state.c: Comment changes.
14846 (state_t): Rename member `shifts' as `transitions'.
14847 Adjust all dependencies.
14848 (errs_new): For consistency, also take the values as argument.
14849 (errs_dup): Remove.
14850 (state_errs_set): New.
14851 (state_reductions_set, state_transitions_set): Assert that no
14852 previous value was assigned.
14854 (states_free): Use it.
14855 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
14856 temporary storage: use `errs' and `nerrs' as elsewhere.
14857 (set_conflicts): Allocate and free this `errs'.
14859 2002-07-02 Akim Demaille <akim@epita.fr>
14861 * lib/libiberty.h: New.
14862 * lib: Update the bitset implementation from upstream.
14863 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
14864 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
14865 * src/main.c: Adjust bitset stats calls.
14867 2002-07-01 Paul Eggert <eggert@twinsun.com>
14869 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
14870 char, so that negative chars don't collide with $.
14872 2002-06-30 Akim Demaille <akim@epita.fr>
14874 Have the GLR tests be `warning' checked, and fix the warnings.
14876 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
14877 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
14878 (yyremoveDeletes): `yyi' and `yyj' are size_t.
14879 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
14880 (yyaddDeferredAction): static.
14881 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
14882 (yyreportParseError): yyprefix is const.
14883 yytokenp is used only when verbose.
14884 (yy__GNUC__): Replace with __GNUC__.
14885 (yypdumpstack): yyi is size_t.
14886 (yypreference): Un-yy local variables and arguments, to avoid
14887 clashes with `yyr1'. Anyway, we are not in the user name space.
14888 (yytname_size): be an int, as is compared with ints.
14889 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
14891 * tests/cxx-gram.at: Use quotation to protect $1.
14892 Use AT_COMPILE to enable warnings hunts.
14893 Prototype yylex and yyerror.
14895 Include `string.h', not `strings.h'.
14896 Produce and prototype stmtMerge only when used.
14897 yylex takes a location.
14899 2002-06-30 Akim Demaille <akim@epita.fr>
14901 We spend a lot of time in quotearg, in particular when --verbose.
14903 * src/symtab.c (symbol_get): Store a quoted version of the key.
14904 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
14905 Adjust all callers.
14907 2002-06-30 Akim Demaille <akim@epita.fr>
14909 * src/state.h (reductions_t): Rename member `nreds' as num.
14910 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
14911 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
14913 2002-06-30 Akim Demaille <akim@epita.fr>
14915 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
14916 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
14917 (shifts_to): Rename as...
14918 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
14919 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
14920 (TRANSITION_IS_DISABLED, transitions_to): these.
14922 2002-06-30 Akim Demaille <akim@epita.fr>
14924 * src/print.c (print_shifts, print_gotos): Merge into...
14925 (print_transitions): this.
14926 (print_transitions, print_errs, print_reductions): Align the
14927 lookaheads columns.
14928 (print_core, print_transitions, print_errs, print_state,
14929 print_grammar): Output empty lines separator before, not after.
14930 (state_default_rule_compute): Rename as...
14931 (state_default_rule): this.
14932 * tests/conflicts.at (Defaulted Conflicted Reduction),
14933 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
14934 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
14936 2002-06-30 Akim Demaille <akim@epita.fr>
14938 Display items as we display rules.
14940 * src/gram.h, src/gram.c (rule_lhs_print): New.
14941 * src/gram.c (grammar_rules_partial_print): Use it.
14942 * src/print.c (print_core): Likewise.
14943 * tests/conflicts.at (Defaulted Conflicted Reduction),
14944 (Unresolved SR Conflicts): Adjust.
14945 (Unresolved SR Conflicts): Adjust and rename as...
14946 (Resolved SR Conflicts): this, as was meant.
14947 * tests/regression.at (Web2c Report): Adjust.
14949 2002-06-30 Akim Demaille <akim@epita.fr>
14951 * src/print.c (state_default_rule_compute): New, extracted from...
14952 (print_reductions): here.
14953 Pessimize, but clarify the code.
14954 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
14956 2002-06-30 Akim Demaille <akim@epita.fr>
14958 * src/output.c (action_row): Let default_rule be always a rule
14961 2002-06-30 Akim Demaille <akim@epita.fr>
14963 * src/closure.c (print_firsts, print_fderives, closure):
14964 Use BITSET_EXECUTE.
14965 * src/lalr.c (lookaheads_print): Likewise.
14966 * src/state.c (state_rule_lookaheads_print): Likewise.
14967 * src/print_graph.c (print_core): Likewise.
14968 * src/print.c (print_reductions): Likewise.
14969 * src/output.c (action_row): Likewise.
14970 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
14972 2002-06-30 Akim Demaille <akim@epita.fr>
14974 * src/print_graph.c: Use report_flag.
14976 2002-06-30 Akim Demaille <akim@epita.fr>
14978 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
14980 * src/relation.h, src/relation.c (traverse, relation_digraph)
14981 (relation_print, relation_transpose): New.
14983 2002-06-30 Akim Demaille <akim@epita.fr>
14985 * src/state.h, src/state.c (shifts_to): New.
14986 * src/lalr.c (build_relations): Use it.
14988 2002-06-30 Akim Demaille <akim@epita.fr>
14990 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
14991 (item_number_of_rule_number, rule_number_of_item_number): New.
14992 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
14993 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
14994 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
14995 Propagate their use.
14996 Much remains to be done, in particular wrt `shorts' from types.h.
14998 2002-06-30 Akim Demaille <akim@epita.fr>
15000 * src/symtab.c (symbol_new): Initialize the `printer' member.
15002 2002-06-30 Akim Demaille <akim@epita.fr>
15004 * src/LR0.c (save_reductions): Remove, replaced by...
15005 * src/state.h, src/state.c (state_reductions_set): New.
15006 (reductions, errs): Rename as...
15007 (reductions_t, errs_t): these.
15008 Adjust all dependencies.
15010 2002-06-30 Akim Demaille <akim@epita.fr>
15012 * src/LR0.c (state_list_t, state_list_append): New.
15013 (first_state, last_state): Now symbol_list_t.
15014 (this_state): Remove.
15015 (new_itemsets, append_states, save_reductions): Take a state_t as
15017 (set_states, generate_states): Adjust.
15018 (save_shifts): Remove, replaced by...
15019 * src/state.h, src/state.c (state_shifts_set): New.
15020 (shifts): Rename as...
15022 Adjust all dependencies.
15023 * src/state.h (state_t): Remove the `next' member.
15025 2002-06-30 Akim Demaille <akim@epita.fr>
15027 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
15030 2002-06-30 Akim Demaille <akim@epita.fr>
15032 Use hash.h for the state hash table.
15034 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
15035 (allocate_storage): Use state_hash_new.
15036 (free_storage): Use state_hash_free.
15037 (new_state, get_state): Adjust.
15038 * src/lalr.h, src/lalr.c (states): Move to...
15039 * src/states.h (state_t): Remove the `link' member, no longer
15041 * src/states.h, src/states.c: here.
15042 (state_hash_new, state_hash_free, state_hash_lookup)
15043 (state_hash_insert, states_free): New.
15044 * src/states.c (state_table, state_compare, state_hash): New.
15045 * src/output.c (output_actions): Do not free states now, since we
15046 still need to know the final_state number in `prepare', called
15047 afterwards. Do it...
15048 * src/main.c (main): here: call states_free after `output'.
15050 2002-06-30 Akim Demaille <akim@epita.fr>
15052 * src/state.h, src/state.c (state_new): New, extracted from...
15053 * src/LR0.c (new_state): here.
15054 * src/state.h (STATE_ALLOC): Move to...
15055 * src/state.c: here.
15056 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
15057 * src/state.h, src/state.c: here.
15059 2002-06-30 Akim Demaille <akim@epita.fr>
15061 * src/reader.c (gensym): Rename as...
15062 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
15063 (getsym): Rename as...
15064 (symbol_get): this.
15066 2002-06-30 Akim Demaille <akim@epita.fr>
15068 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
15069 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
15070 * src/output.c, src/print.c, src/print_graph.c: Propagate.
15071 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
15073 2002-06-30 Akim Demaille <akim@epita.fr>
15075 Make the test suite pass with warnings checked.
15077 * tests/actions.at (Printers and Destructors): Improve.
15078 Avoid unsigned vs. signed issues.
15079 * tests/calc.at: Don't exercise the scanner here, do it...
15080 * tests/input.at (Torturing the Scanner): here.
15082 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15084 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
15085 reorganize first lines parallel to yacc.c.
15087 2002-06-28 Akim Demaille <akim@epita.fr>
15089 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
15090 (b4_token_enum, b4_token_defines): New, factored from...
15091 * data/lalr1.cc, data/yacc.c, glr.c: here.
15093 2002-06-28 Akim Demaille <akim@epita.fr>
15095 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
15097 * src/output.c (merger_output): static.
15099 2002-06-28 Akim Demaille <akim@epita.fr>
15101 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
15102 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
15104 * src/output.c (save_row): Initialize all the variables to pacify GCC.
15106 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15108 Accumulated changelog for new GLR parsing features.
15110 * src/conflicts.c (count_total_conflicts): Change name to
15111 conflicts_total_count.
15112 * src/conflicts.h: Ditto.
15113 * src/output.c (token_actions): Use the new name.
15114 (output_conflicts): Change conflp => conflict_list_heads, and
15115 confl => conflict_list for better readability.
15116 * data/glr.c: Use the new names.
15117 * NEWS: Add self to GLR announcement.
15119 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
15121 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
15124 * data/bison.glr: Change name to glr.c
15125 * data/glr.c: Renamed from bison.glr.
15126 * data/Makefile.am: Add glr.c
15130 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
15131 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
15133 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15135 * data/bison.glr: Be sure to restore the
15136 current #line when returning to the skeleton contents after having
15137 exposed the input file's #line.
15139 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15141 * data/bison.glr: Bring up to date with changes to bison.simple.
15143 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15145 * data/bison.glr: Correct definitions that use b4_prefix.
15146 Various reformatting.
15147 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
15148 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
15149 yytokenp argument; now part of stack.
15150 (yychar): Define to behave as documented.
15151 (yyclearin): Ditto.
15153 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15155 * src/reader.h: Add declaration for free_merger_functions.
15157 * src/reader.c (merge_functions): New variable.
15158 (get_merge_function): New function.
15159 (free_merger_functions): New function.
15160 (readgram): Check for %prec that is not followed by a symbol.
15161 Handle %dprec and %merge declarations.
15162 (packgram): Initialize dprec and merger fields in rules array.
15164 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
15165 conflict_list_cnt, conflict_list_free): New variables.
15166 (table_grow): Also grow conflict_table.
15167 (prepare_rules): Output dprec and merger tables.
15168 (conflict_row): New function.
15169 (action_row): Output conflict lists for GLR parser. Don't use
15170 default reduction in conflicted states for GLR parser so that there
15171 are spaces for the conflict lists.
15172 (save_row): Also save conflict information.
15173 (token_actions): Allocate conflict list.
15174 (merger_output): New function.
15175 (pack_vector): Pack conflict table, too.
15176 (output_conflicts): New function to output yyconflp and yyconfl.
15177 (output_check): Allocate conflict_tos.
15178 (output_actions): Output conflict tables, also.
15179 (output_skeleton): Output b4_mergers definition.
15180 (prepare): Output b4_max_rhs_length definition.
15181 Use 'bison.glr' as default skeleton for GLR parsers.
15183 * src/gram.c (glr_parser): New flag.
15184 (grammar_free): Call free_merger_functions.
15186 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
15187 all pairs of conflicting reductions, rather than just all tokens
15188 causing conflicts. Needed to size conflict tables.
15189 (conflicts_output): Modify call to count_rr_conflicts for new
15191 (conflicts_print): Ditto.
15192 (count_total_conflicts): New function.
15194 * src/reader.h (merger_list): New type.
15195 (merge_functions): New variable.
15197 * src/lex.h (tok_dprec, tok_merge): New token types.
15199 * src/gram.h (rule_s): Add dprec and merger fields.
15200 (glr_parser): New flag.
15202 * src/conflicts.h (count_total_conflicts): New function.
15204 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
15206 * doc/bison.texinfo (Generalized LR Parsing): New section.
15207 (GLR Parsers): New section.
15208 (Language and Grammar): Mention GLR parsing.
15209 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
15210 Correct typo ("tge" -> "the").
15212 * data/bison.glr: New skeleton for GLR parsing.
15214 * tests/cxx-gram.at: New tests for GLR parsing.
15216 * tests/testsuite.at: Include cxx-gram.at.
15218 * tests/Makefile.am: Add cxx-gram.at.
15220 * src/parse-gram.y:
15222 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
15224 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
15226 2002-06-27 Akim Demaille <akim@epita.fr>
15228 * src/options.h, src/options.c: Remove.
15229 * src/getargs.c (short_options, long_options): New.
15231 2002-06-27 Akim Demaille <akim@epita.fr>
15233 * data/bison.simple, data/bison.c++: Rename as...
15234 * data/yacc.c, data/lalr1.cc: these.
15235 * doc/bison.texinfo (Environment Variables): Remove.
15237 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
15239 * src/getargs.c (report_argmatch): Initialize strtok().
15241 2002-06-20 Akim Demaille <akim@epita.fr>
15243 * data/bison.simple (b4_symbol_actions): New, replaces...
15244 (b4_symbol_destructor, b4_symbol_printer): these.
15245 (yysymprint): Be sure to call YYPRINT only for tokens, and using
15246 user token numbers.
15248 2002-06-20 Akim Demaille <akim@epita.fr>
15250 * data/bison.simple (yydestructor): Rename as...
15251 (yydestruct): this.
15253 2002-06-20 Akim Demaille <akim@epita.fr>
15255 * src/symtab.h, src/symtab.c (symbol_type_set)
15256 (symbol_destructor_set, symbol_precedence_set): The location is
15258 Adjust all callers.
15260 2002-06-20 Akim Demaille <akim@epita.fr>
15262 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
15264 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
15266 * src/symtab.h, src/symtab.c (symbol_class_set)
15267 (symbol_user_token_number_set): Likewise.
15268 Adjust all callers.
15269 Promote complain_at.
15270 * tests/input.at (Type Clashes): Adjust.
15272 2002-06-20 Akim Demaille <akim@epita.fr>
15274 * data/bison.simple (YYLEX): Fix the declaration when
15277 2002-06-20 Akim Demaille <akim@epita.fr>
15279 * data/bison.simple (yysymprint): Don't print the token number,
15281 * tests/actions.at (Destructors): Rename as...
15282 (Printers and Destructors): this.
15283 Also exercise %printer.
15285 2002-06-20 Akim Demaille <akim@epita.fr>
15287 * data/bison.simple (YYDSYMPRINT): New.
15288 Use it to remove many of the #if YYDEBUG/if (yydebug).
15290 2002-06-20 Akim Demaille <akim@epita.fr>
15292 * src/symtab.h, src/symtab.c (symbol_t): printer and
15293 printer_location are new members.
15294 (symbol_printer_set): New.
15295 * src/parse-gram.y (PERCENT_PRINTER): New token.
15296 Handle its associated rule.
15297 * src/scan-gram.l: Adjust.
15298 (handle_destructor_at, handle_destructor_dollar): Rename as...
15299 (handle_symbol_code_at, handle_symbol_code_dollar): these.
15300 * src/output.c (symbol_printers_output): New.
15301 (output_skeleton): Call it.
15302 * data/bison.simple (yysymprint): New. Cannot be named yyprint
15303 since there are already many grammar files with a user `yyprint'.
15304 Replace the calls to YYPRINT to calls to yysymprint.
15305 * tests/calc.at: Adjust.
15306 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
15307 taking advantage of parser very internal details (stack size!).
15309 2002-06-20 Akim Demaille <akim@epita.fr>
15311 * src/scan-gram.l: Complete the scanner with the missing patterns
15313 Use `quote' and `symbol_tag_get' where appropriate.
15315 2002-06-19 Akim Demaille <akim@epita.fr>
15317 * tests/actions.at (Destructors): Augment to test locations.
15318 * data/bison.simple (yydestructor): Pass it the current location
15319 if locations are enabled.
15320 Prototype only when __STDC__ or C++.
15321 Change the argument names to move into the yy name space: there is
15324 2002-06-19 Akim Demaille <akim@epita.fr>
15326 * data/bison.simple (b4_pure_if): New.
15327 Use it instead of #ifdef YYPURE.
15329 2002-06-19 Akim Demaille <akim@epita.fr>
15331 * data/bison.simple (b4_location_if): New.
15332 Use it instead of #ifdef YYLSP_NEEDED.
15334 2002-06-19 Akim Demaille <akim@epita.fr>
15336 Prepare @$ in %destructor, but currently don't bind it in the
15337 skeleton, as %location use is not cleaned up yet.
15339 * src/scan-gram.l (handle_dollar, handle_destructor_at)
15340 (handle_action_at): New.
15341 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
15342 a braced_code_t and a location as additional arguments.
15343 (handle_destructor_dollar): Instead of requiring `b4_eval', just
15344 unquote one when outputting `b4_dollar_dollar'.
15346 * data/bison.simple (b4_eval): Remove.
15347 (b4_symbol_destructor): Adjust.
15348 * tests/input.at (Invalid @n): Adjust.
15350 2002-06-19 Zack Weinberg <zack@codesourcery.com>
15352 * doc/bison.texinfo: Document ability to have multiple
15355 2002-06-18 Akim Demaille <akim@epita.fr>
15357 * src/files.c (compute_base_names): When computing the output file
15358 names from the input file name, strip the directory part.
15360 2002-06-18 Akim Demaille <akim@epita.fr>
15362 * data/bison.simple.new: Comment changes.
15363 Reported by Andreas Schwab.
15365 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
15367 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
15368 there are no `label `yyoverflowlab' defined but not used' warnings
15369 when yyoverflow is defined.
15371 2002-06-18 Akim Demaille <akim@epita.fr>
15373 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
15375 (symbol_destructor_set): Adjust.
15376 * src/output.c (symbol_destructors_output): Output the destructor
15378 Output the symbol name.
15379 * data/bison.simple (b4_symbol_destructor): Adjust.
15381 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
15382 and Akim Demaille <akim@epita.fr>
15384 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
15385 what's left on the stack when the error recovery hits EOF.
15386 * tests/actions.at (Destructors): Complete to exercise this case.
15388 2002-06-17 Akim Demaille <akim@epita.fr>
15390 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
15391 arguments is really empty, not only equal to `[]'.
15392 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
15394 (symbol_destructor_set): New.
15395 * src/output.c (symbol_destructors_output): New.
15396 * src/reader.h (brace_code_t, current_braced_code): New.
15397 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
15398 (handle_dollar): Rename as...
15399 (handle_action_dollar): this.
15400 (handle_destructor_dollar): New.
15401 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
15402 (grammar_declaration): Use it.
15403 * data/bison.simple (yystos): Is always defined.
15404 (yydestructor): New.
15405 * tests/actions.at (Destructors): New.
15406 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
15408 2002-06-17 Akim Demaille <akim@epita.fr>
15410 * src/symlist.h, src/symlist.c (symbol_list_length): New.
15411 * src/scan-gram.l (handle_dollar, handle_at): Compute the
15412 rule_length only when needed.
15413 * src/output.c (actions_output, token_definitions_output): Output
15415 * src/symtab.c: Don't access directly to the symbol tag, use
15417 * src/parse-gram.y: Use symbol_list_free.
15419 2002-06-17 Akim Demaille <akim@epita.fr>
15421 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
15422 (symbol_list_prepend, get_type_name): Move to...
15423 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
15424 (symbol_list_prepend, symbol_list_n_type_name_get): here.
15425 Adjust all callers.
15426 (symbol_list_free): New.
15427 * src/scan-gram.l (handle_dollar): Takes a location.
15428 * tests/input.at (Invalid $n): Adjust.
15430 2002-06-17 Akim Demaille <akim@epita.fr>
15432 * src/reader.h, src/reader.c (symbol_list_new): Export it.
15433 (symbol_list_prepend): New.
15434 * src/parse-gram.y (%union): `list' is a new member.
15435 (symbols.1): New, replaces...
15436 (terms_to_prec.1, nterms_to_type.1): these.
15437 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
15438 Take a location as additional argument.
15439 Adjust all callers.
15441 2002-06-15 Akim Demaille <akim@epita.fr>
15443 * src/parse-gram.y: Move %token in the declaration section so that
15444 we don't depend upon CVS Bison.
15446 2002-06-15 Akim Demaille <akim@epita.fr>
15448 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
15449 * src/print.c (print_core): Use it.
15451 2002-06-15 Akim Demaille <akim@epita.fr>
15453 * src/conflicts.c (log_resolution): Accept the rule involved in
15454 the sr conflicts instead of the lookahead number that points to
15456 (flush_reduce): Accept the current lookahead vector as argument,
15457 instead of the index in LA.
15458 (resolve_sr_conflict): Accept the current number of lookahead
15459 bitset to consider for the STATE, instead of the index in LA.
15460 (set_conflicts): Adjust.
15461 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
15463 2002-06-15 Akim Demaille <akim@epita.fr>
15465 * src/state.h (state_t): Replace the `lookaheadsp' member, a
15466 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
15467 Adjust all dependencies.
15468 * src/lalr.c (initialize_lookaheads): Split into...
15469 (states_lookaheads_count, states_lookaheads_initialize): these.
15472 2002-06-15 Akim Demaille <akim@epita.fr>
15474 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
15476 (grammar_rules_print): here.
15477 * src/reduce.c (reduce_output): Use it.
15478 * tests/reduce.at (Useless Rules, Reduced Automaton)
15479 (Underivable Rules): Adjust.
15481 2002-06-15 Akim Demaille <akim@epita.fr>
15483 Copy BYacc's nice way to report the grammar.
15485 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
15487 Don't print the rules' location, it is confusing and useless.
15488 (rule_print): Use grammar_rhs_print.
15489 * src/print.c (print_grammar): Use grammar_rules_print.
15491 2002-06-15 Akim Demaille <akim@epita.fr>
15493 Complete and rationalize `useless thing' warnings.
15495 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
15496 (symbol_tag_print): New.
15497 Use them everywhere in place of accessing directly the tag member.
15498 * src/gram.h, src/gram.c (rule_print): New.
15499 Use it where a rule used to be printed `by hand'.
15500 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
15501 (reduce_grammar_tables): Report the useless rules.
15502 (reduce_print): Useless things are a warning, not an error.
15504 * tests/reduce.at (Useless Nonterminals, Useless Rules):
15505 (Reduced Automaton, Underivable Rules): Adjust.
15506 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
15507 * tests/conflicts.at (Unresolved SR Conflicts)
15508 (Solved SR Conflicts): Adjust.
15510 2002-06-15 Akim Demaille <akim@epita.fr>
15512 Let symbols have a location.
15514 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
15516 Adjust all callers.
15517 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
15518 Use location_t, not int.
15519 * src/symtab.c (symbol_check_defined): Take advantage of the
15521 * tests/regression.at (Invalid inputs): Adjust.
15523 2002-06-15 Akim Demaille <akim@epita.fr>
15525 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
15526 (input): Don't try to initialize yylloc here, do it in the
15528 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
15529 * src/gram.h (rule_t): Change line and action_line into location
15530 and action_location, of location_t type.
15531 Adjust all dependencies.
15532 * src/location.h, src/location.c (empty_location): New.
15533 * src/reader.h, src/reader.c (grammar_start_symbol_set)
15534 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
15535 (grammar_current_rule_symbol_append)
15536 (grammar_current_rule_action_append): Expect a location as argument.
15537 * src/reader.c (grammar_midrule_action): Adjust to attach an
15538 action's location as dummy symbol location.
15539 * src/symtab.h, src/symtab.c (startsymbol_location): New.
15540 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
15543 2002-06-14 Akim Demaille <akim@epita.fr>
15545 Grammar declarations may be found in the grammar section.
15547 * src/parse-gram.y (rules_or_grammar_declaration): New.
15548 (declarations): Each declaration may end with a semicolon, not
15550 (grammar_declaration): `"%union"'.
15551 (grammar): Branch to rules_or_grammar_declaration.
15553 2002-06-14 Akim Demaille <akim@epita.fr>
15555 * src/main.c (main): Invoke scanner_free.
15557 2002-06-14 Akim Demaille <akim@epita.fr>
15559 * src/output.c (m4_invoke): Extracted from...
15560 (output_skeleton): here.
15563 2002-06-14 Akim Demaille <akim@epita.fr>
15565 * src/parse-gram.y (directives, directive, gram)
15566 (grammar_directives, precedence_directives, precedence_directive):
15568 (declarations, declaration, grammar, grammar_declaration)
15569 (precedence_declaration, precedence_declarator): these.
15570 (symbol_declaration): New.
15572 2002-06-14 Akim Demaille <akim@epita.fr>
15574 * src/files.c (action_obstack): Remove, unused.
15575 (output_obstack): Remove it, and all its dependencies, as it is no
15577 * src/reader.c (epilogue_set): Build the epilogue in the
15579 * src/output.h, src/output.c (muscle_obstack): Move to...
15580 * src/muscle_tab.h, src/muscle_tab.h: here.
15581 (muscle_init): Initialize muscle_obstack.
15582 (muscle_free): New.
15583 * src/main.c (main): Call it.
15585 2002-06-14 Akim Demaille <akim@epita.fr>
15587 * src/location.h: New, extracted from...
15588 * src/reader.h: here.
15589 * src/Makefile.am (noinst_HEADERS): Merge into
15590 (bison_SOURCES): this.
15592 * src/parse-gram.y: Use location_t instead of Bison's.
15593 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
15594 Use location_t instead of ints.
15596 2002-06-14 Akim Demaille <akim@epita.fr>
15598 * data/bison.simple, data/bison.c++: Be sure to restore the
15599 current #line when returning to the skeleton contents after having
15600 exposed the input file's #line.
15602 2002-06-12 Akim Demaille <akim@epita.fr>
15604 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
15606 * tests/actions.at (Exotic Dollars): New.
15608 2002-06-12 Akim Demaille <akim@epita.fr>
15610 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
15612 * tests/input.at (Torturing the Scanner): New.
15614 2002-06-11 Akim Demaille <akim@epita.fr>
15616 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
15617 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
15618 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
15619 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
15620 * src/reader.c (reader): Use it.
15622 2002-06-11 Akim Demaille <akim@epita.fr>
15624 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
15625 Adjust all callers.
15626 (scanner_last_string_free): New.
15628 2002-06-11 Akim Demaille <akim@epita.fr>
15630 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
15631 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
15632 (last_string, YY_OBS_FREE): New.
15633 Use them when returning an ID.
15635 2002-06-11 Akim Demaille <akim@epita.fr>
15637 Have Bison grammars parsed by a Bison grammar.
15639 * src/reader.c, src/reader.h (prologue_augment): New.
15640 * src/reader.c (copy_definition): Remove.
15642 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
15643 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
15644 (grammar_current_rule_prec_set, grammar_current_rule_check)
15645 (grammar_current_rule_symbol_append)
15646 (grammar_current_rule_action_append): Export.
15647 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
15648 (symbol_list_action_append): Remove.
15649 Hook the routines from reader.
15650 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
15651 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
15653 * src/reader.c (read_declarations): Remove, unused.
15655 * src/parse-gram.y: Handle the epilogue.
15656 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
15657 (grammar_start_symbol_set): this.
15658 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
15659 * src/reader.c (readgram): Remove, unused.
15660 (reader): Adjust to insert eoftoken and axiom where appropriate.
15662 * src/reader.c (copy_dollar): Replace with...
15663 * src/scan-gram.h (handle_dollar): this.
15664 * src/parse-gram.y: Remove `%thong'.
15666 * src/reader.c (copy_at): Replace with...
15667 * src/scan-gram.h (handle_at): this.
15669 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
15672 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
15675 * src/reader.h, src/reader.c (grammar_rule_end): New.
15677 * src/parse.y (current_type, current_class): New.
15678 Implement `%nterm', `%token' support.
15679 Merge `%term' into `%token'.
15680 (string_as_id): New.
15681 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
15684 * src/parse-gram.y: Be sure to handle properly the beginning of
15687 * src/parse-gram.y: Handle %type.
15688 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
15690 * src/parse-gram.y: More directives support.
15691 * src/options.c: No longer handle source directives.
15693 * src/parse-gram.y: Fix %output.
15695 * src/parse-gram.y: Handle %union.
15696 Use the prologue locations.
15697 * src/reader.c (parse_union_decl): Remove.
15699 * src/reader.h, src/reader.c (epilogue_set): New.
15700 * src/parse-gram.y: Use it.
15702 * data/bison.simple, data/bison.c++: b4_stype is now either not
15703 defined, then default to int, or to the contents of %union,
15704 without `union' itself.
15706 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
15708 * src/output.c (actions_output): Don't output braces, as they are
15709 already handled by the scanner.
15711 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
15712 characters to themselves.
15714 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
15715 that the epilogue has a proper #line.
15717 * src/parse-gram.y: Handle precedence/associativity.
15719 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
15721 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
15722 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
15723 at all to define terminals that cannot be emitted.
15725 * src/scan-gram.l: Escape M4 characters.
15727 * src/scan-gram.l: Working properly with escapes in user
15728 strings/characters.
15730 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
15731 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
15733 Use more modest sizes, as for the time being the parser does not
15734 release memory, and therefore the process swallows a huge amount
15737 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
15738 stricter %token grammar.
15740 * src/symtab.h (associativity): Add `undef_assoc'.
15741 (symbol_precedence_set): Do nothing when passed an undef_assoc.
15742 * src/symtab.c (symbol_check_alias_consistence): Adjust.
15744 * tests/regression.at (Invalid %directive): Remove, as it is now
15746 (Invalid inputs): Adjust to the new error messages.
15747 (Token definitions): The new grammar doesn't allow too many
15750 * src/lex.h, src/lex.c: Remove.
15751 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
15752 (copy_character, copy_string2, copy_string, copy_identifier)
15753 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
15754 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
15755 (parse_action): Remove.
15756 * po/POTFILES.in: Adjust.
15758 2002-06-11 Akim Demaille <akim@epita.fr>
15760 * src/reader.c (parse_action): Don't store directly into the
15761 rule's action member: return the action as a string.
15762 Don't require `rule_length' as an argument: compute it.
15763 (grammar_current_rule_symbol_append)
15764 (grammar_current_rule_action_append): New, eved out from
15766 Remove `action_flag', `rulelength', unused now.
15768 2002-06-11 Akim Demaille <akim@epita.fr>
15770 * src/reader.c (grammar_current_rule_prec_set).
15771 (grammar_current_rule_check): New, eved out from...
15773 Remove `xaction', `first_rhs': useless.
15774 * tests/input.at (Type clashes): New.
15775 * tests/existing.at (GNU Cim Grammar): Adjust.
15777 2002-06-11 Akim Demaille <akim@epita.fr>
15779 * src/reader.c (grammar_midrule_action): New, Eved out from
15782 2002-06-11 Akim Demaille <akim@epita.fr>
15784 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
15786 (readgram): Use them as replacement of inlined code, crule and
15789 2002-06-11 Akim Demaille <akim@epita.fr>
15791 * src/reader.c (grammar_end, grammar_symbol_append): New.
15792 (readgram): Use them.
15793 Make the use of `p' as local as possible.
15795 2002-06-10 Akim Demaille <akim@epita.fr>
15797 GCJ's parser requires the tokens to be defined before the prologue.
15799 * data/bison.simple: Output the token definition before the user's
15801 * tests/regression.at (Braces parsing, Duplicate string)
15802 (Mixing %token styles): Check the output from bison.
15803 (Early token definitions): New.
15805 2002-06-10 Akim Demaille <akim@epita.fr>
15807 * src/symtab.c (symbol_user_token_number_set): Don't complain when
15808 assigning twice the same user number to a token, so that we can
15810 * src/lex.c (lex): here.
15811 Also use `symbol_class_set' instead of hand written code.
15812 * src/reader.c (parse_assoc_decl): Likewise.
15814 2002-06-10 Akim Demaille <akim@epita.fr>
15816 * src/symtab.c, src/symtab.c (symbol_class_set)
15817 (symbol_user_token_number_set): New.
15818 * src/reader.c (parse_token_decl): Use them.
15819 Use a switch instead of ifs.
15820 Use a single argument.
15822 2002-06-10 Akim Demaille <akim@epita.fr>
15824 Remove `%thong' support as it is undocumented, unused, duplicates
15825 `%token's job, and creates useless e-mail traffic with people who
15826 want to know what it is, why it is undocumented, unused, and
15827 duplicates `%token's job.
15829 * src/reader.c (parse_thong_decl): Remove.
15830 * src/options.c (option_table): Remove "thong".
15831 * src/lex.h (tok_thong): Remove.
15833 2002-06-10 Akim Demaille <akim@epita.fr>
15835 * src/symtab.c, src/symtab.c (symbol_type_set)
15836 (symbol_precedence_set): New.
15837 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
15838 (value_components_used): Remove, unused.
15840 2002-06-09 Akim Demaille <akim@epita.fr>
15842 Move symbols handling code out of the reader.
15844 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
15845 (axiom): Move to...
15846 * src/symtab.h, src/symtab.c: here.
15848 * src/gram.c (start_symbol): Remove: use startsymbol->number.
15849 * src/reader.c (startval): Rename as...
15850 * src/symtab.h, src/symtab.c (startsymbol): this.
15851 * src/reader.c: Adjust.
15853 * src/reader.c (symbol_check_defined, symbol_make_alias)
15854 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
15855 (token_translations_init)
15857 * src/symtab.c: here.
15858 * src/reader.c (packsymbols): Move to...
15859 * src/symtab.h, src/symtab.c (symbols_pack): here.
15860 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
15863 2002-06-03 Akim Demaille <akim@epita.fr>
15865 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
15868 2002-06-03 Akim Demaille <akim@epita.fr>
15870 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
15871 structs with non literals.
15872 * src/scan-skel.l: never-interactive.
15873 * src/conflicts.c (enum conflict_resolution_e): No trailing
15875 * src/getargs.c (usage): Split long literal strings.
15876 Reported by Hans Aberg.
15878 2002-05-28 Akim Demaille <akim@epita.fr>
15880 * data/bison.c++: Use C++ ostreams.
15881 (cdebug_): New member.
15883 2002-05-28 Akim Demaille <akim@epita.fr>
15885 * src/output.c (output_skeleton): Be sure to allocate enough room
15886 for `/' _and_ for `\0' in full_skeleton.
15888 2002-05-28 Akim Demaille <akim@epita.fr>
15890 * data/bison.c++: Catch up with bison.simple:
15891 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15892 and Paul Eggert <eggert@twinsun.com>: `error' handing.
15893 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
15894 and popping traces.
15896 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15898 * src/output.c (output_skeleton): Put an explicit path in front of
15899 the skeleton file name, rather than relying on the -I directory,
15900 to partially alleviate effects of having a skeleton file lying around
15901 in the current directory.
15903 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15905 * src/conflicts.c (log_resolution): Correct typo:
15906 obstack_printf should be obstack_fgrow1.
15908 2002-05-26 Akim Demaille <akim@epita.fr>
15910 * src/state.h (state_t): `solved_conflicts' is a new member.
15911 * src/LR0.c (new_state): Set it to 0.
15912 * src/conflicts.h, src/conflicts.c (print_conflicts)
15913 (free_conflicts, solve_conflicts): Rename as...
15914 (conflicts_print, conflicts_free, conflicts_solve): these.
15916 * src/conflicts.c (enum conflict_resolution_e)
15917 (solved_conflicts_obstack): New, used by...
15918 (log_resolution): this.
15919 Adjust to attach the conflict resolution to each state.
15920 Complete the description with the precedence/associativity
15922 (resolve_sr_conflict): Adjust.
15923 * src/print.c (print_state): Output its solved_conflicts.
15924 * tests/conflicts.at (Unresolved SR Conflicts)
15925 (Solved SR Conflicts): Exercise --report=all.
15927 2002-05-26 Akim Demaille <akim@epita.fr>
15929 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
15930 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
15931 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
15932 (token_number_t, item_number_as_token_number)
15933 (token_number_as_item_number, muscle_insert_token_number_table):
15935 (symbol_number_t, item_number_as_symbol_number)
15936 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
15937 these, since it is more appropriate.
15939 2002-05-26 Akim Demaille <akim@epita.fr>
15941 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
15943 * data/bison.simple (yystos) [YYDEBUG]: New.
15944 (yyparse) [YYDEBUG]: Display the symbols which are popped during
15946 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
15948 2002-05-25 Akim Demaille <akim@epita.fr>
15950 * doc/bison.texinfo (Debugging): Split into...
15951 (Tracing): this new section, its former contents, and...
15952 (Understanding): this new section.
15953 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
15955 (report_flag): this.
15956 Adjust all dependencies.
15957 (report_args, report_types, report_argmatch): New.
15958 (usage, getargs): Report/support -r, --report.
15960 (struct option_table_struct): Rename as..,
15961 (struct option_table_s): this.
15962 Rename the `set_flag' member to `flag' to match with getopt_long's
15964 * src/options.c (option_table): Split verbose into an entry for
15965 %verbose, and another for --verbose.
15966 Support --report/-r, so remove -r from the obsolete --raw.
15967 * src/print.c: Attach full item sets and lookaheads reports to
15968 report_flag instead of trace_flag.
15969 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
15971 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15972 and Paul Eggert <eggert@twinsun.com>
15974 * data/bison.simple (yyparse): Correct error handling to conform to
15975 POSIX and yacc. Specifically, after syntax error is discovered,
15976 do not reduce further before shifting the error token.
15977 Clean up the code a bit by removing the labels yyerrdefault,
15978 yyerrhandle, yyerrpop.
15979 * NEWS: Document the above.
15981 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15983 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
15984 type; it isn't always big enough, since it doesn't necessarily
15985 include non-terminals.
15986 (yytranslate): Expand definition of yy_token_number_type, so that
15987 the latter can be removed.
15988 (yy_token_number_type): Remove, only one use.
15989 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
15990 don't use TokenNumberType as element type.
15992 * tests/regression.at: Modify expected output to agree with change
15993 to yyr1 and yytranslate.
15995 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
15997 * src/reader.c (parse_action): Use copy_character instead of
16000 2002-05-13 Akim Demaille <akim@epita.fr>
16002 * tests/regression.at (Token definitions): Prototype yylex and
16005 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16007 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
16008 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
16010 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
16012 2002-05-07 Akim Demaille <akim@epita.fr>
16014 * tests/synclines.at: Be sure to prototype yylex and yyerror to
16015 avoid GCC warnings.
16017 2002-05-07 Akim Demaille <akim@epita.fr>
16021 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
16022 over the RHS of each rule.
16023 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
16024 * src/state.h (state_t): Member `nitems' is unsigned short.
16025 * src/LR0.c (get_state): Adjust.
16026 * src/reader.c (packgram): Likewise.
16027 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
16029 (muscle_insert_int_table): Remove, unused.
16030 (prepare_rules): Remove `max'.
16032 2002-05-06 Akim Demaille <akim@epita.fr>
16034 * src/closure.c (print_firsts): Display of the symbol tags.
16035 (bitmatrix_print): Move to...
16036 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
16038 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
16040 2002-05-06 Akim Demaille <akim@epita.fr>
16042 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
16045 2002-05-06 Akim Demaille <akim@epita.fr>
16047 * src/LR0.c (new_state, get_state): Instead of using the global
16048 `kernel_size' and `kernel_base', have two new arguments:
16049 `core_size' and `core'.
16052 2002-05-06 Akim Demaille <akim@epita.fr>
16054 * src/reader.c (packgram): No longer end `ritem' with a 0
16055 sentinel: it is not used.
16057 2002-05-05 Akim Demaille <akim@epita.fr>
16059 New experimental feature: display the lookaheads in the report and
16062 * src/print (print_core): When --trace-flag, display the rules
16064 * src/print_graph.c (print_core): Likewise.
16065 Swap the arguments.
16068 2002-05-05 Akim Demaille <akim@epita.fr>
16070 * tests/torture.at (Many lookaheads): New test.
16072 2002-05-05 Akim Demaille <akim@epita.fr>
16074 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
16075 (GENERATE_MUSCLE_INSERT_TABLE): this.
16076 (output_int_table, output_unsigned_int_table, output_short_table)
16077 (output_token_number_table, output_item_number_table): Replace with...
16078 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
16079 (muscle_insert_short_table, muscle_insert_token_number_table)
16080 (muscle_insert_item_number_table): these.
16081 Adjust all callers.
16082 (prepare_tokens): Don't free `translations', since...
16083 * src/reader.h, src/reader.c (grammar_free): do it.
16085 * src/gram.h, src/gram.c (grammar_free): here.
16086 * data/bison.simple, data/bison.c++: b4_token_number_max is now
16089 2002-05-05 Akim Demaille <akim@epita.fr>
16091 * src/output.c (output_unsigned_int_table): New.
16092 (prepare_rules): `i' is unsigned.
16093 `prhs', `rline', `r2' are unsigned int.
16094 Rename muscle `rhs_number_max' as `rhs_max'.
16095 Output muscles `prhs_max', `rline_max', and `r2_max'.
16097 * data/bison.simple, data/bison.c++: Adjust to use these muscles
16098 to compute types instead of constant types.
16099 * tests/regression.at (Web2c Actions): Adjust.
16101 2002-05-04 Akim Demaille <akim@epita.fr>
16103 * src/symtab.h (SALIAS, SUNDEF): Rename as...
16104 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
16105 Adjust dependencies.
16106 * src/output.c (token_definitions_output): Be sure not to output a
16107 `#define 'a'' when fed with `%token 'a' "a"'.
16108 * tests/regression.at (Token definitions): New.
16110 2002-05-03 Paul Eggert <eggert@twinsun.com>
16112 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
16115 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
16117 * Makefile.am (SUBDIRS): Remove intl.
16118 (EXTRA_DIST): Add config/config.rpath.
16120 2002-05-03 Akim Demaille <akim@epita.fr>
16122 * data/bison.simple (m4_if): Don't output empty enums.
16123 And actually, output valid enum definitions :(.
16125 2002-05-03 Akim Demaille <akim@epita.fr>
16127 * configure.bat: Remove, completely obsolete.
16128 * Makefile.am (EXTRA_DIST): Adjust.
16129 Don't distribute config.rpath...
16130 * config/Makefile.am (EXTRA_DIST): Do it.
16132 2002-05-03 Akim Demaille <akim@epita.fr>
16134 * configure.in (GETTEXT_VERSION): New.
16135 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
16137 2002-05-03 Akim Demaille <akim@epita.fr>
16139 * data/bison.simple (b4_token_enum): New.
16140 (b4_token_defines): Use it to output tokens both as #define and
16142 Suggested by Paul Eggert.
16143 * src/output.c (token_definitions_output): Don't output spurious
16146 2002-05-03 Akim Demaille <akim@epita.fr>
16148 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16150 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
16152 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
16153 Update the stack class, give a try to deque as the default container.
16155 2002-05-02 Akim Demaille <akim@epita.fr>
16157 * data/bison.simple (yyparse): Do not implement @$ = @1.
16158 (YYLLOC_DEFAULT): Adjust to do it.
16159 * doc/bison.texinfo (Location Default Action): Fix.
16161 2002-05-02 Akim Demaille <akim@epita.fr>
16163 * src/reader.c (parse_braces): Merge into...
16164 (parse_action): this.
16166 2002-05-02 Akim Demaille <akim@epita.fr>
16168 * configure.in (ALL_LINGUAS): Remove.
16169 * po/LINGUAS, hr.po: New.
16171 2002-05-02 Akim Demaille <akim@epita.fr>
16173 Remove the so called hairy (semantic) parsers.
16175 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
16176 * src/gram.h, src/gram.c (semantic_parser): Remove.
16177 (rule_t): Remove the guard and guard_line members.
16178 * src/lex.h (token_t): remove tok_guard.
16179 * src/options.c (option_table): Remove %guard and %semantic_parser
16181 * src/output.c, src/output.h (guards_output): Remove.
16183 (token_definitions_output): Don't output the `T'
16185 (output_skeleton): Don't output the guards.
16186 * src/files.c, src/files.c (attrsfile): Remove.
16187 * src/reader.c (symbol_list): Remove the guard and guard_line
16189 Adjust dependencies.
16190 (parse_guard): Remove.
16191 * data/bison.hairy: Remove.
16192 * doc/bison.texinfo (Environment Variables): Remove occurrences of
16195 2002-05-02 Akim Demaille <akim@epita.fr>
16197 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
16198 (parse_guard): Rename the formal argument `stack_offset' as
16199 `rule_length', which is more readable.
16201 (copy_at, copy_dollar): Instead of outputting the hard coded
16202 values of $$, $n and so forth, output invocation to b4_lhs_value,
16203 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
16204 Note: this patch partially drops `semantic-parser' support: it
16205 always does `rule_length - n', where semantic parsers ought to
16207 * data/bison.simple, data/bison.c++ (b4_lhs_value)
16208 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
16210 2002-05-02 Akim Demaille <akim@epita.fr>
16212 * configure.in (AC_INIT): Bump to 1.49b.
16213 (AM_INIT_AUTOMAKE): Short invocation.
16215 2002-05-02 Akim Demaille <akim@epita.fr>
16219 2002-05-01 Akim Demaille <akim@epita.fr>
16221 * src/skeleton.h: Remove.
16223 2002-05-01 Akim Demaille <akim@epita.fr>
16225 * src/skeleton.h: Fix the #endif.
16226 Reported by Magnus Fromreide.
16228 2002-04-26 Paul Eggert <eggert@twinsun.com>
16230 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
16231 Define if we define YYSTYPE and YYLTYPE, respectively.
16232 (YYCOPY): Fix [] quoting problem in the non-GCC case.
16234 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
16236 * src/scan-skel.l: Postprocess quadrigraphs.
16238 * src/reader.c (copy_character): New function, used to output
16239 single characters while replacing `[' and `]' with quadrigraphs, to
16240 avoid troubles with M4 quotes.
16241 (copy_comment): Output characters with copy_character.
16242 (read_additionnal_code): Likewise.
16243 (copy_string2): Likewise.
16244 (copy_definition): Likewise.
16246 * tests/calc.at: Exercise M4 quoting.
16248 2002-04-25 Akim Demaille <akim@epita.fr>
16250 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
16251 between `!' and the command.
16252 Reported by Paul Eggert.
16254 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
16256 * tests/calc.at: Exercise prologue splitting.
16258 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
16259 `b4_post_prologue' instead of `b4_prologue'.
16261 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
16263 (output): Free pre_prologue_obstack and post_prologue_obstack.
16264 * src/files.h, src/files.c (attrs_obstack): Remove.
16265 (pre_prologue_obstack, post_prologue_obstack): New.
16266 * src/reader.c (copy_definition): Add a parameter to specify the
16267 obstack to fill, instead of using attrs_obstack unconditionally.
16268 (read_declarations): Pass pre_prologue_obstack to copy_definition if
16269 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
16271 2002-04-23 Paul Eggert <eggert@twinsun.com>
16273 * data/bison.simple: Remove unnecessary commentary and white
16274 space differences from 1_29-branch.
16275 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
16277 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
16278 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
16279 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
16280 constructors or destructors.
16282 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
16284 2002-04-23 Akim Demaille <akim@epita.fr>
16286 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
16287 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
16288 location with columns.
16289 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
16290 All reported by Paul Eggert.
16292 2002-04-22 Akim Demaille <akim@epita.fr>
16294 * src/reduce.c (dump_grammar): Move to...
16295 * src/gram.h, src/gram.c (grammar_dump): here.
16296 Be sure to separate long item numbers.
16297 Don't read the members of a rule's prec if its nil.
16299 2002-04-22 Akim Demaille <akim@epita.fr>
16301 * src/output.c (table_size, table_grow): New.
16302 (MAXTABLE): Remove, replace uses with table_size.
16303 (pack_vector): Instead of dying when the table is too big, grow it.
16305 2002-04-22 Akim Demaille <akim@epita.fr>
16307 * data/bison.simple (yyr1): Its type is that of a token number.
16308 * data/bison.c++ (r1_): Likewise.
16309 * tests/regression.at (Web2c Actions): Adjust.
16311 2002-04-22 Akim Demaille <akim@epita.fr>
16313 * src/reader.c (token_translations_init): 256 is now the default
16314 value for the error token, i.e., it will be assigned another
16315 number if the user assigned 256 to one of her tokens.
16316 (reader): Don't force 256 to error.
16317 * doc/bison.texinfo (Symbols): Adjust.
16318 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
16319 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
16320 etc. instead of 10, 20, 30 (which was used to `jump' over error
16321 (256) and undefined (2)).
16323 2002-04-22 Akim Demaille <akim@epita.fr>
16325 Propagate more token_number_t.
16327 * src/gram.h (token_number_as_item_number)
16328 (item_number_as_token_number): New.
16329 * src/output.c (GENERATE_OUTPUT_TABLE): New.
16330 Use it to create output_item_number_table and
16331 output_token_number_table.
16332 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16333 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
16334 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
16335 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
16337 2002-04-22 Akim Demaille <akim@epita.fr>
16339 * src/output.h, src/output.c (get_lines_number): Remove.
16341 2002-04-19 Akim Demaille <akim@epita.fr>
16343 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
16345 (Debugging): More details about enabling the debugging features.
16346 (Table of Symbols): Describe $$, $n, @$, and @n.
16347 Suggested by Tim Josling.
16349 2002-04-19 Akim Demaille <akim@epita.fr>
16351 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
16353 2002-04-10 Akim Demaille <akim@epita.fr>
16355 * src/system.h: Rely on HAVE_LIMITS_H.
16356 Suggested by Paul Eggert.
16358 2002-04-09 Akim Demaille <akim@epita.fr>
16360 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
16361 full stderr, and strip it according to the bison options, instead
16362 of composing the error message from different bits.
16363 This makes it easier to check for several error messages.
16364 Adjust all the invocations.
16365 Add an invocation exercising the error token.
16366 Add an invocation demonstrating a stupid error message.
16367 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
16369 Error message are for stderr, not stdout.
16371 2002-04-09 Akim Demaille <akim@epita.fr>
16373 * src/gram.h, src/gram.c (error_token_number): Remove, use
16375 * src/reader.c (reader): Don't specify the user token number (2)
16376 for $undefined, as it uselessly prevents using it.
16377 * src/gram.h (token_number_t): Move to...
16378 * src/symtab.h: here.
16379 (state_t.number): Is a token_number_t.
16380 * src/print.c, src/reader.c: Use undeftoken->number instead of
16382 (Even though this 2 is not the same as above: the number of the
16383 undeftoken remains being 2, it is its user token number which
16385 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
16386 `user_token_number_max'.
16387 Output `undef_token_number'.
16388 * data/bison.simple, data/bison.c++: Use them.
16389 Be sure to map invalid yylex return values to
16390 `undef_token_number'. This saves us from gratuitous SEGV.
16392 * tests/conflicts.at (Solved SR Conflicts)
16393 (Unresolved SR Conflicts): Adjust.
16394 * tests/regression.at (Web2c Actions): Adjust.
16396 2002-04-08 Akim Demaille <akim@epita.fr>
16398 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
16400 Remove the duplicate `typedefs'.
16401 (RhsNumberType): Fix the declaration and various other typos.
16403 * data/bison.simple: Use __ofile__.
16404 * src/scan-skel.l: Handle __ofile__.
16406 2002-04-08 Akim Demaille <akim@epita.fr>
16408 * src/gram.h (item_number_t): New, the type of item numbers in
16409 RITEM. Note that it must be able to code symbol numbers as
16410 positive number, and the negation of rule numbers as negative
16412 Adjust all dependencies (pretty many).
16413 * src/reduce.c (rule): Remove this `short *' pointer: use
16415 * src/system.h (MINSHORT, MAXSHORT): Remove.
16416 Include `limits.h'.
16417 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
16418 (shortcpy): Remove.
16419 (MAXTABLE): Move to...
16420 * src/output.c (MAXTABLE): here.
16421 (prepare_rules): Use output_int_table to output rhs.
16422 * data/bison.simple, data/bison.c++: Adjust.
16423 * tests/torture.at (Big triangle): Move the limit from 254 to
16425 * tests/regression.at (Web2c Actions): Ajust.
16427 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
16428 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
16429 passes, but produces negative #line number, once fixed, GCC is
16430 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
16432 * src/state.h (state_h): Code input lines on ints, not shorts.
16434 2002-04-08 Akim Demaille <akim@epita.fr>
16436 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
16437 and then the grammar.
16439 2002-04-08 Akim Demaille <akim@epita.fr>
16441 * src/system.h: No longer using strndup.
16443 2002-04-07 Akim Demaille <akim@epita.fr>
16445 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
16446 * src/output.c (output_table_data): Return the longest number.
16447 (prepare_tokens): Output `token_number_max').
16448 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
16450 Use them to define yy_token_number_type/TokenNumberType.
16451 Use this type for yytranslate.
16452 * tests/torture.at (Big triangle): Push the limit from 124 to
16454 * tests/regression.at (Web2c Actions): Adjust.
16456 2002-04-07 Akim Demaille <akim@epita.fr>
16458 * tests/torture.at (Big triangle): New.
16459 (GNU AWK Grammar, GNU Cim Grammar): Move to...
16460 * tests/existing.at: here.
16462 2002-04-07 Akim Demaille <akim@epita.fr>
16464 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
16466 Adjust dependencies.
16468 2002-04-07 Akim Demaille <akim@epita.fr>
16470 * src/reader.c: Normalize increments to prefix form.
16472 2002-04-07 Akim Demaille <akim@epita.fr>
16474 * src/reader.c, symtab.c: Remove debugging code.
16476 2002-04-07 Akim Demaille <akim@epita.fr>
16478 Rename all the `bucket's as `symbol_t'.
16480 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
16481 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
16482 * src/symtab.c, src/symtab.h (bucket): Rename as...
16484 (symbol_list_new, bucket_check_defined, bucket_make_alias)
16485 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
16486 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
16487 (buckets_new, buckets_free, buckets_do): Rename as...
16488 (symbol_list_new, symbol_check_defined, symbol_make_alias)
16489 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16490 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
16491 (symbols_new, symbols_free, symbols_do): these.
16493 2002-04-07 Akim Demaille <akim@epita.fr>
16495 Use lib/hash for the symbol table.
16497 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
16499 * src/lex.c (lex): Set the `number' member of new terminals.
16500 * src/reader.c (bucket_check_defined, bucket_make_alias)
16501 (bucket_check_alias_consistence, bucket_translation): New.
16502 (reader, grammar_free, readgram, token_translations_init)
16503 (packsymbols): Adjust.
16504 (reader): Number the predefined tokens.
16505 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
16506 for predefined tokens.
16507 * src/symtab.h (bucket): Remove all the hash table related
16509 * src/symtab.c (symtab): Replace by...
16510 (bucket_table): this.
16511 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
16512 (buckets_new, buckets_do): New.
16514 2002-04-07 Akim Demaille <akim@epita.fr>
16516 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
16517 (start_symbol, max_user_token_number, semantic_parser)
16518 (error_token_number): Initialize.
16519 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
16522 (errtoken, eoftoken, undeftoken, axiom): Extern.
16524 2002-04-07 Akim Demaille <akim@epita.fr>
16526 * src/gram.h (rule_s): prec and precsym are now pointers
16527 to the bucket giving the priority/associativity.
16528 Member `associativity' removed: useless.
16529 * src/reduce.c, src/conflicts.c: Adjust.
16531 2002-04-07 Akim Demaille <akim@epita.fr>
16533 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
16534 Properly escape the symbols' TAG when outputting them.
16536 2002-04-07 Akim Demaille <akim@epita.fr>
16538 * src/lalr.h (LA): Is a bitsetv, not bitset*.
16540 2002-04-07 Akim Demaille <akim@epita.fr>
16542 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
16543 (LArule): this, which is an array to rule_t*.
16544 * src/print.c, src/conflicts.c: Adjust.
16546 2002-04-07 Akim Demaille <akim@epita.fr>
16548 * src/gram.h (rule_t): Rename `number' as `user_number'.
16549 `number' is a new member.
16550 Adjust dependencies.
16551 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
16553 2002-04-07 Akim Demaille <akim@epita.fr>
16555 As a result of the previous patch, it is no longer needed
16556 to reorder ritem itself.
16558 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
16560 2002-04-07 Akim Demaille <akim@epita.fr>
16562 Be sure never to walk through RITEMS, but use only data related to
16563 the rules themselves. RITEMS should be banished.
16565 * src/output.c (output_token_translations): Rename as...
16566 (prepare_tokens): this.
16567 In addition to `translate', prepare the muscles `tname' and
16568 `toknum', which were handled by...
16569 (output_rule_data): this.
16570 Remove, and move the remainder of its outputs into...
16571 (prepare_rules): this new routines, which also merges content from
16572 (output_gram): this.
16573 (prepare_rules): Be sure never to walk through RITEMS.
16574 (output_stos): Rename as...
16575 (prepare_stos): this.
16576 (output): Always invoke prepare_states, after all, just don't use it
16577 in the output if you don't need it.
16579 2002-04-07 Akim Demaille <akim@epita.fr>
16581 * src/LR0.c (new_state): Display `nstates' as the name of the
16582 newly created state.
16583 Adjust to initialize first_state and last_state if needed.
16584 Be sure to distinguish the initial from the final state.
16585 (new_states): Create the itemset of the initial state, and use
16587 * src/closure.c (closure): Now that the initial state has its
16588 items properly set, there is no need for a special case when
16589 creating `ruleset'.
16591 As a result, now the rule 0, reducing to $axiom, is visible in the
16592 outputs. Adjust the test suite.
16594 * tests/conflicts.at (Solved SR Conflicts)
16595 (Unresolved SR Conflicts): Adjust.
16596 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
16597 * tests/conflicts.at (S/R in initial): New.
16599 2002-04-07 Akim Demaille <akim@epita.fr>
16601 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
16602 the RHS of the rules.
16603 * src/output.c (output_gram): Likewise.
16605 2002-04-07 Akim Demaille <akim@epita.fr>
16607 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
16609 Adjust all dependencies.
16610 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
16611 `number' of the buckets too.
16612 * src/gram.h: Include `symtab.h'.
16613 (associativity): Move to...
16614 * src/symtab.h: here.
16615 No longer include `gram.h'.
16617 2002-04-07 Akim Demaille <akim@epita.fr>
16619 * src/gram.h, src/gram.c (rules_rhs_length): New.
16620 (ritem_longest_rhs): Use it.
16621 * src/gram.h (rule_t): `number' is a new member.
16622 * src/reader.c (packgram): Set it.
16623 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
16624 the end of `rules', and count them out of `nrules'.
16625 (reduce_output, dump_grammar): Adjust.
16626 * src/print.c (print_grammar): It is no longer needed to check for
16627 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
16628 * tests/reduce.at (Reduced Automaton): New test.
16630 2002-04-07 Akim Demaille <akim@epita.fr>
16632 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
16633 lacking `+ 1' to nrules, Bison reported as useless a token if it
16634 was used solely to set the precedence of the last rule...
16636 2002-04-07 Akim Demaille <akim@epita.fr>
16638 * data/bison.c++, data/bison.simple: Don't output the current file
16639 name in #line, to avoid useless diffs between two identical
16640 outputs under different names.
16642 2002-04-07 Akim Demaille <akim@epita.fr>
16644 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
16645 Normalize loops to using `< nrules + 1', not `<= nrules'.
16647 2002-04-07 Akim Demaille <akim@epita.fr>
16651 2002-04-07 Akim Demaille <akim@epita.fr>
16653 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
16654 bucket.value as bucket.number.
16656 2002-04-07 Akim Demaille <akim@epita.fr>
16658 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
16659 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
16660 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
16661 RHS, instead of being an index in RITEMS.
16663 2002-04-04 Paul Eggert <eggert@twinsun.com>
16665 * doc/bison.texinfo: Update copyright date.
16666 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
16667 (Symbols): Warn about running Bison in one character set,
16668 but compiling and/or running in an incompatible one.
16669 Warn about character code 256, too.
16671 2002-04-03 Paul Eggert <eggert@twinsun.com>
16673 * src/bison.data (YYSTACK_ALLOC): Depend on whether
16674 YYERROR_VERBOSE is nonzero, not whether it is defined.
16676 Merge changes from bison-1_29-branch.
16678 2002-03-20 Paul Eggert <eggert@twinsun.com>
16680 Merge fixes from Debian bison_1.34-1.diff.
16682 * configure.in (AC_PREREQ): 2.53.
16684 2002-03-20 Akim Demaille <akim@epita.fr>
16686 * src/conflicts.c (log_resolution): Argument `resolution' is const.
16688 2002-03-19 Paul Eggert <eggert@twinsun.com>
16690 * src/bison.simple (YYCOPY): New macro.
16691 (YYSTACK_RELOCATE): Use it.
16692 Remove Type arg; no longer needed. All callers changed.
16693 (yymemcpy): Remove; no longer needed.
16695 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
16696 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
16698 2002-03-19 Akim Demaille <akim@epita.fr>
16700 Test and fix the #line outputs.
16702 * tests/atlocal.at (GCC): New.
16703 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
16704 (Prologue synch line, %union synch line, Postprologue synch line)
16705 (Action synch line, Epilogue synch line): New tests.
16706 * src/reader.c (parse_union_decl): Define the muscle stype_line.
16707 * data/bison.simple, data/bison.c++: Use it.
16709 2002-03-19 Akim Demaille <akim@epita.fr>
16711 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
16712 (Solved SR Conflicts, %expect not enough, %expect right)
16713 (%expect too much): Move to...
16714 * tests/conflicts.at: this new file.
16716 2002-03-19 Akim Demaille <akim@epita.fr>
16718 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16719 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
16720 that we can move to enums for instance.
16721 * src/output.c (token_definitions_output): Output a list of
16722 `token-name, token-number' instead of the #define.
16723 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
16725 2002-03-14 Akim Demaille <akim@epita.fr>
16727 Use Gettext 0.11.1.
16729 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
16731 * data/bison.c++: Make the user able to add members to the generated
16732 parser by subclassing.
16734 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
16736 * src/reader.c (read_additionnal_code): `c' should be an integer, not
16738 Reported by Nicolas Tisserand and Nicolas Burrus.
16740 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
16742 * src/reader.c: Warn about lacking semi-colons, do not complain.
16744 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
16746 * data/bison.c++: Remove a debug line.
16748 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
16750 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
16751 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
16752 provide a default implementation.
16754 2002-03-04 Akim Demaille <akim@epita.fr>
16756 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
16757 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
16758 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
16759 * tests/semantic.at (Parsing Guards): Similarly.
16760 * src/reader.at (readgram): Complain if the last rule is not ended
16763 2002-03-04 Akim Demaille <akim@epita.fr>
16765 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
16766 * src/closure.c: here.
16767 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
16769 * src/warshall.h, src/warshall.c: Remove.
16770 * tests/sets.at (Broken Closure): Adjust.
16772 2002-03-04 Akim Demaille <akim@epita.fr>
16774 * src/output.c (output_skeleton): tempdir is const.
16775 bytes_read is unused.
16777 2002-03-04 Akim Demaille <akim@epita.fr>
16779 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
16780 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
16782 From Michael Hayes.
16784 2002-03-04 Akim Demaille <akim@epita.fr>
16786 * src/closure.c (closure): `r' is unused.
16788 2002-03-04 Akim Demaille <akim@epita.fr>
16790 * tests/sets.at (Broken Closure): Add the ending `;'.
16791 * src/reader.at (readgram): Complain if a rule is not ended with a
16794 2002-03-04 Akim Demaille <akim@epita.fr>
16796 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
16797 (count_sr_conflicts): Use bitset_count.
16798 * src/reduce.c (inaccessable_symbols): Ditto.
16799 (bits_size): Remove.
16800 * src/warshall.h, src/warshall.c: Convert to bitsetv.
16802 2002-03-04 Akim Demaille <akim@epita.fr>
16804 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
16805 * src/reduce.c: Remove the `bitset_zero's following the
16806 `bitset_create's, as now it is performed by the latter.
16808 2002-03-04 Akim Demaille <akim@epita.fr>
16810 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
16811 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
16812 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
16813 latest sources from Michael.
16815 2002-03-04 Akim Demaille <akim@epita.fr>
16817 * src/output.c (output): Don't free the grammar.
16818 * src/reader.c (grammar_free): New.
16819 * src/main.c (main): Call it and don't free symtab here.
16821 2002-03-04 Akim Demaille <akim@epita.fr>
16823 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
16825 Reported by Benoit Perrot.
16827 2002-03-04 Akim Demaille <akim@epita.fr>
16829 Use bitset operations when possible, not loops over bits.
16831 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
16833 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
16834 * src/reduce.c (useless_nonterminals): Formatting changes.
16835 * src/warshall.c (TC): Use bitset_or.
16837 2002-03-04 Akim Demaille <akim@epita.fr>
16839 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
16840 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
16843 2002-03-04 Akim Demaille <akim@epita.fr>
16845 * src/lalr.c (F): Now a bitset*.
16846 Adjust all dependencies.
16848 2002-03-04 Akim Demaille <akim@epita.fr>
16850 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
16851 Adjust all dependencies.
16853 2002-03-04 Akim Demaille <akim@epita.fr>
16855 * src/L0.c, src/LR0.h (nstates): Be size_t.
16856 Adjust comparisons (signed vs unsigned).
16857 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
16859 Adjust all dependencies.
16861 2002-03-04 Akim Demaille <akim@epita.fr>
16863 * src/closure.c (firsts): Now, also a bitset.
16864 Adjust all dependencies.
16865 (varsetsize): Remove, now unused.
16866 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
16868 2002-03-04 Akim Demaille <akim@epita.fr>
16870 * src/print.c: Convert to use bitset.h, not hand coded iterations
16873 2002-03-04 Akim Demaille <akim@epita.fr>
16875 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
16877 2002-03-04 Akim Demaille <akim@epita.fr>
16879 * src/closure.c (ruleset): Be a bitset.
16880 (rulesetsize): Remove.
16882 2002-03-04 Akim Demaille <akim@epita.fr>
16884 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
16885 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
16886 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
16887 * src/closure.c (fderives): Be an array of bitsets.
16889 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
16891 * data/bison.c++: Merge the two generated headers. Insert a copyright
16892 notice in each output file.
16894 2002-02-28 Akim Demaille <akim@epita.fr>
16896 * data/bison.c++: Copy the prologue of bison.simple to fetch
16897 useful M4 definitions, such as b4_header_guard.
16899 2002-02-25 Akim Demaille <akim@epita.fr>
16901 * src/getargs.c (version): Give the name of the authors, and use a
16902 translator friendly scheme for the bgr
16905 2002-02-25 Akim Demaille <akim@epita.fr>
16907 * src/output.c (header_output): Remove, now handled completely via
16910 2002-02-25 Akim Demaille <akim@epita.fr>
16912 * m4/m4.m4: New, from CVS Autoconf.
16913 * configure.in: Invoke it.
16914 * src/output.c (output_skeleton): Use its result instead of the
16917 2002-02-25 Akim Demaille <akim@epita.fr>
16919 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
16921 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
16922 * src/output.c (output_skeleton): Use mkstemp to create a real
16924 Move the filling of `skeleton' and its muscle to...
16926 (output): Move the definition of the prologue muscle to...
16928 * src/system.h (DEFAULT_TMPDIR): New.
16930 2002-02-14 Paul Eggert <eggert@twinsun.com>
16932 Remove the support for C++ namespace cleanliness; it was
16933 causing more problems than it was curing, since it didn't work
16934 properly on some nonstandard C++ compilers. This can wait
16935 for a proper C++ parser.
16937 * NEWS: Document this.
16938 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
16939 of C++, as it's treated like C now.
16940 * src/bison.simple (YYSTD): Remove.
16941 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
16942 Treat C++ just like Standard C instead of trying to support
16943 namespace cleanliness.
16945 2002-02-14 Akim Demaille <akim@epita.fr>
16947 * tests/regression.at (else): Adjust to Andreas' change.
16949 2002-02-14 Akim Demaille <akim@epita.fr>
16951 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
16953 2002-02-13 Andreas Schwab <schwab@suse.de>
16955 * src/output.c (output_rule_data): Don't output NULL, it might
16956 not be defined yet.
16958 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
16960 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
16961 (Copyright notice): Update.
16963 2002-02-11 Akim Demaille <akim@epita.fr>
16965 * tests/regression.at (%nonassoc and eof): Don't include
16966 nonportable headers.
16968 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
16970 * data/bison.c++: Correct error recovery. Make the user able to
16971 initialize the starting location.
16973 2002-02-07 Akim Demaille <akim@epita.fr>
16975 * tests/input.at: New.
16977 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
16979 * data/bison.c++: Replace some direct m4 expansions by constants. Be
16980 more consistent when naming methods and variables. Put preprocessor
16981 directives around tables only needed for debugging.
16983 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
16985 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
16987 (yy::b4_name::parse): Use print_.
16989 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
16991 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
16993 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
16995 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
16997 (yy::b4_name::parse): Build verbose error messages, and use error_.
16999 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17001 * data/bison.c++: Fix m4 quoting in comments.
17003 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17005 * data/bison.c++: Adjust the parser code. Fix some muscles that were
17006 not expanded by m4.
17008 2002-02-05 Akim Demaille <akim@epita.fr>
17010 * data/bison.c++: Adjust to the M4 back end.
17011 More is certainly needed.
17013 2002-02-05 Akim Demaille <akim@epita.fr>
17015 Give a try to M4 as a back end.
17017 * lib/readpipe.c: New, from wdiff.
17018 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
17020 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
17021 specific values. Now it is m4 that performs the lookup.
17022 * src/parse-skel.y: Remove.
17023 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
17024 * src/output.c (actions_output, guards_output)
17025 (token_definitions_output): No longer keeps track of the output
17026 line number, hence remove the second argument.
17027 (guards_output): Check against the guard member of a rule, not the
17030 (output_skeleton): Don't look for the skeleton location, let m4 do
17032 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
17034 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
17035 (prepare): Given that for the time being changesyntax is not
17036 usable in M4, rename the muscles using `-' to `_'.
17037 Define `defines_flag', `output_parser_name' and `output_header_name'.
17038 * src/output.h (actions_output, guards_output)
17039 (token_definitions_output): Adjust prototypes.
17040 * src/scan-skel.l: Instead of scanning the skeletons, it now
17041 processes the output of m4: `__oline__' and `#output'.
17042 * data/bison.simple: Adjust to be used by M4(sugar).
17043 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
17045 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
17046 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
17047 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
17048 shamelessly stolen from CVS Autoconf.
17050 2002-02-05 Akim Demaille <akim@epita.fr>
17052 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
17053 * configure.in: Check for the declarations of free and malloc.
17054 * src/muscle_tab.c: Adjust.
17056 2002-02-05 Akim Demaille <akim@epita.fr>
17058 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
17059 which have no values.
17061 2002-02-05 Akim Demaille <akim@epita.fr>
17063 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
17066 2002-01-29 Paul Eggert <eggert@twinsun.com>
17068 * src/bison.simple (YYSIZE_T): Do not define merely because
17069 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
17070 On some platforms, <alloca.h> does not declare YYSTD (size_t).
17072 2002-01-27 Akim Demaille <akim@epita.fr>
17074 Fix `%nonassoc and eof'.
17076 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
17077 which were not properly copied! Replace
17078 memcpy (res->errs, src->errs, src->nerrs);
17080 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
17082 * tests/regression.at (%nonassoc and eof): Adjust to newest
17083 Autotest: `.' is not in the PATH.
17085 2002-01-27 Akim Demaille <akim@epita.fr>
17087 * tests/sets.at (AT_EXTRACT_SETS): New.
17088 (Nullable): Use it.
17091 2002-01-26 Akim Demaille <akim@epita.fr>
17093 * tests/actions.at, tests/calc.at, tests/headers.at,
17094 * tests/torture.at: Adjust to the newest Autotest which no longer
17095 forces `.' in the PATH.
17097 2002-01-25 Akim Demaille <akim@epita.fr>
17099 * tests/regression.at (%nonassoc and eof): New.
17100 Suggested by Robert Anisko.
17102 2002-01-24 Akim Demaille <akim@epita.fr>
17104 Bison dumps core when trying to complain about broken input files.
17105 Reported by Cris van Pelt.
17107 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
17108 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
17110 (Invalid inputs): Strengthen: exercise parse_percent_token.
17112 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
17114 * src/Makefile.am: Add bison.c++.
17115 * src/bison.c++: New skeleton.
17117 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
17121 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
17123 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
17125 2002-01-20 Marc Autret <marc@gnu.org>
17127 * src/files.c (compute_output_file_names): Fix
17129 2002-01-20 Marc Autret <marc@gnu.org>
17131 * tests/output.at: New test.
17132 * src/files.c (compute_base_names): Don't map extensions when
17133 the YACC flag is set, use defaults.
17134 Reported by Evgeny Stambulchik.
17136 2002-01-20 Marc Autret <marc@gnu.org>
17138 * src/system.h: Need to define __attribute__ away for non-GCC
17139 compilers as well (i.e., the vendor C compiler).
17140 Suggested by Albert Chin-A-Young.
17142 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
17144 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
17145 canonical definition.
17146 * src/system.h: Use the canonical definition for PARAMS (avoids
17147 a conflict with the macro from lib/hash.h).
17149 2002-01-11 Akim Demaille <akim@epita.fr>
17151 * configure.in: Use AC_FUNC_STRNLEN.
17152 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
17154 2002-01-09 Akim Demaille <akim@epita.fr>
17156 * src/files.c, src/files.h (output_infix): New.
17157 (tab_extension): Remove.
17158 (compute_base_names): Compute the former, drop the latter.
17159 * src/output.c (prepare): Insert the muscles `output-infix', and
17161 * src/parse-skel.y (string, string.1): New.
17162 (section.header): Use it.
17163 (section.yacc): Remove.
17164 (prefix): Remove too.
17165 * src/scan-skel.l: Adjust.
17166 * src/bison.simple, src/bison.hairy: Adjust.
17168 2002-01-09 Akim Demaille <akim@epita.fr>
17170 * configure.in (WERROR_CFLAGS): Compute it.
17171 * src/Makefile.am (CFLAGS): Pass it.
17172 * tests/atlocal.in (CFLAGS): Idem.
17173 * src/files.c: Fix a few warnings.
17174 (get_extension_index): Remove, unused.
17176 2002-01-08 Akim Demaille <akim@epita.fr>
17178 * src/getargs.c (AS_FILE_NAME): New.
17179 (getargs): Use it to convert DOSish file names.
17180 * src/files.c (base_name): Rename as full_base_name to avoid
17181 clashes with `base_name ()'.
17182 (filename_split): New.
17183 (compute_base_names): N-th rewrite, using filename_split.
17185 2002-01-08 Akim Demaille <akim@epita.fr>
17187 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
17188 New, stolen from the Fileutils 4.1.
17189 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17190 * configure.in: Check for the presence of memrchr, and of its
17193 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
17195 * lib/hash.h (__P): Added definition for this macro.
17196 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
17197 BUILT_SOURCES, to ensure they are generated first.
17198 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
17199 %error-verbose to allow bootstrapping with bison 1.30x.
17201 2002-01-06 Akim Demaille <akim@epita.fr>
17203 * src/reader.c (parse_braces): Don't fetch the next char, the
17204 convention is to fetch on entry.
17205 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
17206 'switch' without a following semicolon.
17207 * tests/regression.at (braces parsing): New.
17209 2002-01-06 Akim Demaille <akim@epita.fr>
17211 Bison is dead wrong in its RR conflict reports.
17213 * tests/torture.at (GNU Cim Grammar): New.
17214 * src/conflicts.c (count_rr_conflicts): Fix.
17216 2002-01-06 Akim Demaille <akim@epita.fr>
17218 Creating package.m4 from configure.ac causes too many problems.
17220 * tests/Makefile.am (package.m4): Create it by hand,
17221 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
17223 2002-01-06 Akim Demaille <akim@epita.fr>
17225 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
17228 2002-01-04 Paul Eggert <eggert@twinsun.com>
17230 * doc/bison.texinfo (Debugging):
17231 Remove YYSTDERR; it's no longer defined or used.
17232 Also, s/cstdio.h/cstdio/.
17234 2002-01-03 Akim Demaille <akim@epita.fr>
17236 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
17238 2002-01-03 Akim Demaille <akim@epita.fr>
17240 * src/parse-skel.y (process_skeleton): Don't bind the parser's
17241 tracing code to --trace, wait for a better --trace option, with
17244 2002-01-03 Akim Demaille <akim@epita.fr>
17246 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
17247 The ISO C++ standard is extremely clear about it: stderr is
17248 considered a macro, not a regular symbol (see table 94 `Header
17249 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
17250 Therefore std:: does not apply to it. It still does with fprintf.
17251 Also, s/cstdio.h/cstdio/.
17253 2002-01-03 Akim Demaille <akim@epita.fr>
17255 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
17256 for non system headers.
17258 2002-01-02 Akim Demaille <akim@epita.fr>
17260 Equip the skeleton chain with location tracking, runtime trace,
17261 pure parser and scanner.
17263 * src/parse-skel.y: Request a pure parser, locations, and prefix
17265 (%union): Having several members with the same type does not help
17266 type mismatches, simplify.
17267 (YYPRINT, yyprint): New.
17268 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
17269 (skel_error): this.
17271 * src/scan-skel.l: Adjust to these changes.
17272 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
17273 (LOCATION_PRINT, skel_control_t): New.
17275 2001-12-30 Akim Demaille <akim@epita.fr>
17277 * src/parse-skel.y: Get rid of the shift/reduce conflict:
17278 replace `gb' with BLANKS.
17279 * src/scan-skel.l: Adjust.
17281 2001-12-30 Akim Demaille <akim@epita.fr>
17283 * src/system.h: We don't need nor want bcopy.
17284 Throw away MS-DOS crap: we don't need getpid.
17285 * configure.in: We don't need strndup. It was even causing
17286 problems: because Flex includes the headers *before* us,
17287 _GNU_SOURCE is not defined by config.h, and therefore strndup was
17289 * lib/xstrndup.c: New.
17290 * src/scan-skel.l: Use it.
17291 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
17292 * src/parse-skel.y: Use %directives instead of #defines.
17294 2001-12-30 Akim Demaille <akim@epita.fr>
17296 * src/skeleton.h: New.
17297 * src/output.c (output_parser, output_master_parser): Remove, dead
17299 * src/output.h (get_lines_number, actions_output, guards_output)
17300 (token_definitions_output): Prototype them.
17301 * src/parse-skel.y: Add the license notice.
17302 Include output.h and skeleton.h.
17303 (process_skeleton): Returns void, and takes a single parameter.
17304 * src/scan-skel.l: Add the license notice.
17305 Include skeleton.h.
17306 Don't use %option yylineno: it seems that then Flex imagines
17307 REJECT has been used, and therefore it won't reallocate its
17308 buffers (which makes no other sense to me than a bug). It results
17309 in warnings for `unused: yy_flex_realloc'.
17311 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
17313 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17314 (MUSCLE_INSERT_PREFIX): ...to there.
17315 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17316 (MUSCLE_INSERT_PREFIX): Move from here...
17318 * src/bison.hairy: Add a section directive. Put braces around muscle
17319 names. This parser skeleton is still broken, but Bison should not
17320 choke on a bad muscle 'syntax'.
17321 * src/bison.simple: Add a section directive. Put braces around muscle
17324 * src/files.h (strsuffix, stringappend): Add declarations.
17325 (tab_extension): Add declaration.
17326 (short_base_name): Add declaration.
17328 * src/files.c (strsuffix, stringappend): No longer static. These
17329 functions are used in the skeleton parser.
17330 (tab_extension): New.
17331 (compute_base_names): Use the computations done in this function
17332 to guess if the generated parsers should have '.tab' in their
17334 (short_base_name): No longer static.
17336 * src/output.c (output_skeleton): New.
17337 (output): Disable call to output_master_parser, and give a try to
17338 a new skeleton handling system.
17339 (guards_output, actions_output): No longer static.
17340 (token_definitions_output, get_lines_number): No longer static.
17342 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
17344 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
17347 * src/parse-skel.y: New file.
17348 * src/scan-skel.l: New file.
17350 2001-12-29 Akim Demaille <akim@epita.fr>
17352 %name-prefix is broken.
17354 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
17355 Adjust all dependencies.
17356 * tests/headers.at (export YYLTYPE): Strengthen this test: use
17359 Renaming yylval but not yylloc is not consistent. Now we do.
17361 * src/bison.simple: Prefix yylloc if used.
17362 * doc/bison.texinfo (Decl Summary): Document that.
17364 2001-12-29 Akim Demaille <akim@epita.fr>
17366 * doc/bison.texinfo: Promote `%long-directive' over
17368 Remove all references to fixed-output-files, yacc is enough.
17370 2001-12-29 Akim Demaille <akim@epita.fr>
17372 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
17373 user prologue. These are defaults.
17374 * tests/actions.at (Mid-rule actions): Make sure the user can
17375 define YYDEBUG and YYERROR_VERBOSE.
17377 2001-12-29 Akim Demaille <akim@epita.fr>
17379 * src/output.c (header_output): Don't forget to export YYLTYPE and
17381 * tests/headers.at (export YYLTYPE): New, make sure it does.
17382 * tests/regression.at (%union and --defines, Invalid CPP headers):
17384 * tests/headers.at: here.
17386 2001-12-29 Akim Demaille <akim@epita.fr>
17388 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
17390 2001-12-29 Akim Demaille <akim@epita.fr>
17392 * tests/actions.at (Mid-rule actions): Output on a single line
17393 instead of several.
17395 2001-12-29 Akim Demaille <akim@epita.fr>
17397 * doc/bison.texinfo: Formatting changes.
17399 2001-12-29 Akim Demaille <akim@epita.fr>
17401 Don't store the token defs in a muscle, just be ready to output it
17402 on command. Now possible via `symbols'. Fixes a memory leak.
17404 * src/output.c (token_definitions_output): New.
17405 (output_parser, header_output): Use it.
17406 * src/reader.c (symbols_save): Remove.
17408 2001-12-29 Akim Demaille <akim@epita.fr>
17410 * src/bison.simple: Do not provide a default for YYSTYPE and
17411 YYLTYPE before the user's prologue. Otherwise it's hardly... a
17414 2001-12-29 Akim Demaille <akim@epita.fr>
17416 Mid-rule actions are simply... ignored!
17418 * src/reader.c (readgram): Be sure to attach mid-rule actions to
17419 the empty-rule associated to the dummy symbol, not to the host
17421 * tests/actions.at (Mid-rule actions): New.
17423 2001-12-29 Akim Demaille <akim@epita.fr>
17427 * src/reader.c (reader): Free grammar.
17429 2001-12-29 Akim Demaille <akim@epita.fr>
17433 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
17434 since it allocates it for each state, although only one is needed.
17435 (allocate_storage): Do it here.
17437 2001-12-29 Akim Demaille <akim@epita.fr>
17439 * src/options.h, src/options.c (create_long_option_table): Rename
17441 (long_option_table_new): this, with a clearer prototype.
17442 (percent_table): Remove, unused,
17443 * src/getargs.c (getargs): Adjust.
17445 2001-12-29 Akim Demaille <akim@epita.fr>
17447 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
17448 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
17451 2001-12-29 Akim Demaille <akim@epita.fr>
17453 * src/lalr.c (build_relations): Rename `states' as `states1'.
17454 Sorry, I don't understand exactly what it is, no better name...
17456 2001-12-29 Akim Demaille <akim@epita.fr>
17458 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
17459 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
17460 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
17463 2001-12-29 Akim Demaille <akim@epita.fr>
17465 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
17468 2001-12-29 Akim Demaille <akim@epita.fr>
17470 * src/reader.c, src/reader.h (user_toknums): Remove.
17471 Adjust all users to use symbols[i]->user_token_number.
17473 2001-12-29 Akim Demaille <akim@epita.fr>
17475 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
17476 Adjust all users to use symbols[i]->prec or ->assoc.
17478 2001-12-29 Akim Demaille <akim@epita.fr>
17480 * src/reader.c, src/reader.h (tags): Remove.
17481 Adjust all users to use symbols[i]->tag.
17483 2001-12-29 Akim Demaille <akim@epita.fr>
17485 * src/gram.h, src/gram.c (symbols): New, similar to state_table
17487 * src/reader.c (packsymbols): Fill this table.
17489 * src/conflicts.c (resolve_sr_conflict): Adjust.
17490 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
17492 Use symbols[i]->tag instead of tags[i].
17494 2001-12-29 Akim Demaille <akim@epita.fr>
17496 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
17497 In addition, put a comment in there, to replace...
17498 * tests/regression.at (%union and C comments): Remove.
17500 2001-12-29 Akim Demaille <akim@epita.fr>
17502 * tests/regression.at (Web2c Actions): Blindly move the actual
17503 output as expected output. The contents *seem* right to me, but I
17504 can't pretend reading perfectly parser tables... Nonetheless, all
17505 the other tests pass correctly, the table look OK, even though the
17506 presence of `$axiom' is to be noted: AFAICS it is useless (but
17509 2001-12-29 Akim Demaille <akim@epita.fr>
17511 * src/reader.c (readgram): Don't add the rule 0 if there were no
17512 rules read. In other words, add it _after_ having performed
17513 grammar sanity checks.
17514 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
17516 2001-12-29 Akim Demaille <akim@epita.fr>
17518 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
17519 visible, and some states have now a different number.
17521 2001-12-29 Akim Demaille <akim@epita.fr>
17523 * src/reader.c (readgram): Bind the initial rule's lineno to that
17525 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
17526 (Solved SR Conflicts): Adjust rule 0's line number.
17528 2001-12-29 Akim Demaille <akim@epita.fr>
17530 Fix the `GAWK Grammar' failure.
17532 * src/LR0.c (final_state): Initialize to -1 so that we do compute
17533 the reductions of the first state which was mistakenly confused
17534 with the final state because precisely final_state was initialized
17536 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
17537 now noticed by Bison.
17538 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
17539 have a reduction on $default.
17541 2001-12-29 Akim Demaille <akim@epita.fr>
17543 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
17545 * src/closure.c (print_closure): Likewise.
17546 * src/derives.c (print_derives): Likewise.
17547 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
17550 2001-12-29 Akim Demaille <akim@epita.fr>
17552 * src/lalr.c (lookaheads_print): New.
17553 (lalr): Call it when --trace-flag.
17554 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
17557 2001-12-29 Akim Demaille <akim@epita.fr>
17559 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
17560 when walking through ritem, even via rule->rhs.
17561 * src/reduce.c (dump_grammar, useful_production, reduce_output)
17562 (useful_production, useless_nonterminals): Likewise.
17563 (reduce_grammar_tables): Likewise, plus update nritems.
17564 * src/nullable.c (set_nullable): Likewise.
17565 * src/lalr.c (build_relations): Likewise.
17566 * tests/sets.at (Nullable): Adjust.
17567 Fortunately, now, the $axiom is no longer nullable.
17569 2001-12-29 Akim Demaille <akim@epita.fr>
17571 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
17573 * src/gram.c (ritem_longest_rhs): Likewise.
17574 * src/reduce.c (nonterminals_reduce): Likewise.
17575 * src/print_graph.c (print_graph): Likewise.
17576 * src/output.c (output_rule_data): Likewise.
17577 * src/nullable.c (set_nullable): Likewise.
17579 2001-12-29 Akim Demaille <akim@epita.fr>
17581 * src/output.c: Comment changes.
17583 2001-12-27 Paul Eggert <eggert@twinsun.com>
17585 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
17586 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
17587 Sparc, as they were causing more porting problems than the
17588 (minor) performance improvement was worth.
17590 Also, catch up with 1.31's YYSTD.
17592 2001-12-27 Akim Demaille <akim@epita.fr>
17594 * src/output.c (output_gram): Rely on nritems, not the
17595 0-sentinel. See below.
17596 Use -1 as separator, not 0.
17597 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
17598 Rely on -1 as separator in yyrhs, instead of 0.
17599 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
17600 twice `Now at end of input', therefore there are two lines less to
17603 2001-12-27 Akim Demaille <akim@epita.fr>
17605 * tests/regression.at (Unresolved SR Conflicts):
17606 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
17609 2001-12-27 Akim Demaille <akim@epita.fr>
17611 * src/LR0.c (new_state): Recognize the final state by the fact it
17612 is reached by eoftoken.
17613 (insert_start_shifting_state, insert_eof_shifting_state)
17614 (insert_accepting_state, augment_automaton): Remove, since now
17615 these states are automatically computed from the initial state.
17616 (generate_states): Adjust.
17617 * src/print.c: When reporting a rule number to the user, substract
17618 1, so that the axiom rule is rule 0, and the first user rule is 1.
17619 * src/reduce.c: Likewise.
17620 * src/print_graph.c (print_core): For the time being, just as for
17621 the report, depend upon --trace-flags to dump the full set of
17623 * src/reader.c (readgram): Once the grammar read, insert the rule
17624 0: `$axiom: START-SYMBOL $'.
17625 * tests/set.at: Adjust: rule 0 is now displayed, and since the
17626 number of the states has changed (the final state is no longer
17627 necessarily the last), catch up.
17629 2001-12-27 Akim Demaille <akim@epita.fr>
17631 Try to make the use of the eoftoken valid. Given that its value
17632 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
17633 is used instead of > 0 where appropriate, (ii), depend upon nritems
17634 instead of the 0-sentinel.
17636 * src/gram.h, src/gram.c (nritems): New.
17637 Expected to be duplication of nitems, but for the time being...
17638 * src/reader.c (packgram): Assert nritems and nitems are equal.
17639 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
17640 * src/closure.c (print_closure, print_fderives): Likewise.
17641 * src/gram.c (ritem_print): Likewise.
17642 * src/print.c (print_core, print_grammar): Likewise.
17643 * src/print_graph.c: Likewise.
17645 2001-12-27 Akim Demaille <akim@epita.fr>
17647 * src/main.c (main): If there are complains after grammar
17648 reductions, then output the report anyway if requested, then die.
17649 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
17650 * src/reader.c (eoftoken): New.
17651 (parse_token_decl): If the token being defined has value `0', it
17653 (packsymbols): No longer hack `tags' to insert `$' by hand.
17654 Be sure to preserve the value of the eoftoken.
17655 (reader): Make sure eoftoken is defined.
17656 Initialize nsyms to 0: now eoftoken is created just like the others.
17657 * src/print.c (print_grammar): Don't special case the eof token.
17658 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
17659 lie anyway, albeit pleasant.
17660 * tests/calc.at: Exercise error messages with eoftoken.
17661 Change the grammar so that empty input is invalid.
17662 Adjust expectations.
17663 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
17665 2001-12-27 Akim Demaille <akim@epita.fr>
17667 * configure.in: Check the protos of strchr ans strspn.
17668 Replace strchr if needed.
17669 * src/system.h: Provide the protos of strchr, strspn and memchr if
17671 * lib/strchr.c: New.
17672 * src/reader.c (symbols_save): Use strchr.
17674 2001-12-27 Akim Demaille <akim@epita.fr>
17676 * src/print.c, src/print_graph.c (escape): New.
17677 Use it to quote the TAGS outputs.
17678 * src/print_graph.c (print_state): Now errors are in red, and
17679 reductions in green.
17680 Prefer high to wide: output the state number on a line of its own.
17682 2001-12-27 Akim Demaille <akim@epita.fr>
17684 * src/state.h, src/state.c (reductions_new): New.
17685 * src/LR0.c (set_state_table): Let all the states have a
17686 `reductions', even if reduced to 0.
17687 (save_reductions): Adjust.
17688 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
17689 * src/print.c (print_reductions, print_actions): Adjust.
17690 * src/output.c (action_row): Adjust.
17692 2001-12-27 Akim Demaille <akim@epita.fr>
17694 * src/state.h, src/state.c (errs_new, errs_dup): New.
17695 * src/LR0.c (set_state_table): Let all the states have an errs,
17696 even if reduced to 0.
17697 * src/print.c (print_errs, print_reductions): Adjust.
17698 * src/output.c (output_actions, action_row): Adjust.
17699 * src/conflicts.c (resolve_sr_conflict): Adjust.
17701 2001-12-27 Akim Demaille <akim@epita.fr>
17703 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
17705 2001-12-27 Akim Demaille <akim@epita.fr>
17707 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
17708 * src/print.c: here.
17709 (lookaheadset, shiftset): New, used as additional storage by
17711 (print_results): Adjust.
17712 (print_shifts, print_gotos, print_errs): New, extracted from...
17713 (print_actions): here.
17714 * src/print_graph.c (print_actions): Remove dead code.
17716 2001-12-27 Akim Demaille <akim@epita.fr>
17718 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
17721 2001-12-27 Akim Demaille <akim@epita.fr>
17723 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
17724 (build_relations): Adjust.
17726 2001-12-27 Akim Demaille <akim@epita.fr>
17728 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
17731 2001-12-27 Akim Demaille <akim@epita.fr>
17733 * src/reader.c (packgram): Catch nitems overflows.
17735 2001-12-27 Akim Demaille <akim@epita.fr>
17737 * src/files.c, src/files.h (guard_obstack): Remove.
17738 * src/output.c (output): Adjust.
17739 * src/reader.c (parse_braces): New, factoring...
17740 (copy_action, copy_guard): these two which are renamed as...
17741 (parse_action, parse_guard): these.
17742 As a voluntary consequence, using braces around guards is now
17745 2001-12-27 Akim Demaille <akim@epita.fr>
17747 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
17748 * src/reader.c (symbol_list): `guard' and `guard_line' are new
17750 (symbol_list_new): Adjust.
17751 (copy_action): action_line is the first line, not the last.
17752 (copy_guard): Just as for actions, store the `action' only, not
17753 the switch/case/break flesh.
17754 Don't parse the user action that might follow the guard, let...
17755 (readgram): do it, i.e., now, there can be an action after a
17757 In other words the guard is just explicitly optional.
17758 (packgram): Adjust.
17759 * src/output.c (guards_output): New.
17760 (output_parser): Call it when needed.
17761 (output): Also free the guard and attrs obstacks.
17762 * src/files.c, src/files.h (obstack_save): Remove.
17763 (output_files): Remove.
17764 As a result, if one needs the former `.act' file, using an
17765 appropriate skeleton which requires actions and guards is now
17767 * src/main.c (main): Adjust.
17768 * tests/semantic.at: New.
17769 * tests/regression.at: Use `input.y' as input file name.
17770 Avoid 8+3 problems by requiring input.c when the test needs the
17773 2001-12-27 Akim Demaille <akim@epita.fr>
17775 * src/reader.c (symbol_list_new): Be sure to initialize all the
17778 2001-12-27 Akim Demaille <akim@epita.fr>
17780 All the hacks using a final pseudo state are now useless.
17782 * src/LR0.c (set_state_table): state_table holds exactly nstates.
17783 * src/lalr.c (nLA): New.
17784 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
17785 instead of lookaheadsp from the pseudo state (nstate + 1).
17787 2001-12-27 Akim Demaille <akim@epita.fr>
17789 * src/output.c (action_row, token_actions): Use a state_t instead
17790 of a integer, and nlookaheads instead of the following state's
17793 2001-12-27 Akim Demaille <akim@epita.fr>
17795 * src/conflicts.c (log_resolution, flush_shift)
17796 (resolve_sr_conflict, set_conflicts, solve_conflicts)
17797 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
17798 (conflicts_print, print_reductions): Use a state_t instead of an
17799 integer when referring to a state.
17800 As much as possible, depend upon nlookaheads, instead of the
17801 `lookaheadsp' member of the following state (since lookaheads of
17802 successive states are successive, the difference between state n + 1
17803 and n served as the number of lookaheads for state n).
17804 * src/lalr.c (add_lookback_edge): Likewise.
17805 * src/print.c (print_core, print_actions, print_state)
17806 (print_results): Likewise.
17807 * src/print_graph.c (print_core, print_actions, print_state)
17808 (print_graph): Likewise.
17809 * src/conflicts.h: Adjust.
17811 2001-12-27 Akim Demaille <akim@epita.fr>
17813 * src/bison.hairy: Formatting/comment changes.
17815 Remove `register' indications.
17816 Add plenty of `static'.
17818 2001-12-27 Akim Demaille <akim@epita.fr>
17820 * src/output.c (prepare): Drop the muscle `ntbase' which
17821 duplicates ntokens.
17822 * src/bison.simple: Formatting/comment changes.
17823 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
17824 is an undocumented synonym.
17826 2001-12-22 Akim Demaille <akim@epita.fr>
17828 * src/output.c (output_table_data): Change the prototype to use
17829 `int' for array ranges: some invocations do pass an int, not a
17831 Reported by Wayne Green.
17833 2001-12-22 Akim Demaille <akim@epita.fr>
17835 Some actions of web2c.y are improperly triggered.
17836 Reported by Mike Castle.
17838 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
17839 * tests/regression.at (Web2c): Rename as...
17840 (Web2c Report): this.
17841 (Web2c Actions): New.
17843 2001-12-22 Akim Demaille <akim@epita.fr>
17845 Reductions in web2c.y are improperly reported.
17846 Reported by Mike Castle.
17848 * src/conflicts.c (print_reductions): Fix.
17849 * tests/regression.at (Web2c): New.
17851 2001-12-18 Akim Demaille <akim@epita.fr>
17853 Some host fail on `assert (!"foo")', which expands to
17854 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
17855 Reported by Nelson Beebee.
17857 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
17858 `#define it_succeeded 0' and `assert (it_succeeded)'.
17860 2001-12-17 Marc Autret <autret_m@epita.fr>
17862 * src/bison.simple: Don't hard code the skeleton line and filename.
17863 * src/output.c (output_parser): Rename 'line' as 'output_line'.
17864 New line counter 'skeleton_line' (skeleton-line muscle).
17866 2001-12-17 Paul Eggert <eggert@twinsun.com>
17868 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
17869 YYDEBUG must be defined to a nonzero value.
17871 * src/bison.simple (yytname): Do not assume that the user defines
17872 YYDEBUG to a properly parenthesized expression.
17874 2001-12-17 Akim Demaille <akim@epita.fr>
17876 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
17877 nlookaheads is a new member.
17879 * src/lalr.h (nlookaheads): Remove this orphan declaration.
17880 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
17883 2001-12-17 Akim Demaille <akim@epita.fr>
17885 * src/files.h, src/files.c (open_files, close_files): Remove.
17886 * src/main.c (main): Don't open/close files, nor invoke lex_free,
17888 * src/reader.c (reader): Do it.
17890 2001-12-17 Akim Demaille <akim@epita.fr>
17892 * src/conflicts.c (print_reductions): Formatting changes.
17894 2001-12-17 Akim Demaille <akim@epita.fr>
17896 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
17897 (flush_reduce): New.
17898 (resolve_sr_conflict): Adjust.
17900 2001-12-17 Akim Demaille <akim@epita.fr>
17902 * src/output.c (output_obstack): Be static and rename as...
17903 (format_obstack): this, to avoid any confusion with files.c's
17905 * src/reader.h (muscle_obstack): Move to...
17906 * src/output.h: here, since it's defined in output.c.
17908 2001-12-17 Akim Demaille <akim@epita.fr>
17910 * src/output.c (action_row, save_column, default_goto)
17911 (sort_actions, matching_state, pack_vector): Better variable
17914 2001-12-17 Akim Demaille <akim@epita.fr>
17916 * src/output.c: Various formatting changes.
17918 2001-12-17 Akim Demaille <akim@epita.fr>
17920 * src/files.c (output_files): Free the output_obstack.
17921 * src/main.c (main): Call print and print_graph conditionally.
17922 * src/print.c (print): Work unconditionally.
17923 * src/print_graph.c (print_graph): Work unconditionally.
17924 * src/conflicts.c (log_resolution): Output only if verbose_flag.
17926 2001-12-16 Marc Autret <autret_m@epita.fr>
17928 * src/output.c (actions_output): Fix. When we use %no-lines,
17929 there is one less line per action.
17931 2001-12-16 Marc Autret <autret_m@epita.fr>
17933 * src/bison.simple: Remove a useless #line directive.
17934 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
17935 * src/output.c (get_lines_number): New.
17936 (output_parser): Adjust, now takes care about the lines of a
17938 Fix line numbering.
17939 (actions_output): Computes the number of lines taken by actions.
17940 (output_master_parser): Insert new skeleton which is the name of
17941 the output parser file name.
17943 2001-12-15 Marc Autret <autret_m@epita.fr>
17945 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
17947 2001-12-15 Marc Autret <autret_m@epita.fr>
17949 * src/output.c (output_gram): Keep track of the hairy one.
17951 2001-12-15 Akim Demaille <akim@epita.fr>
17953 Make `make distcheck' work.
17955 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
17956 system.h which uses libgettext.h.
17958 2001-12-15 Akim Demaille <akim@epita.fr>
17960 * src/nullable.c (set_nullable): Useless rules must be skipped,
17961 otherwise, since we range over their symbols, we might look at a
17962 nonterminal which no longer ``exists'', i.e., it is not counted in
17963 `nvars', hence we overflow our arrays.
17965 2001-12-15 Akim Demaille <akim@epita.fr>
17967 The header can also be produced directly, without any obstack!
17970 * src/files.c, src/files.h (defines_obstack): Remove.
17971 (compute_header_macro): Global.
17972 (defines_obstack_save): Remove.
17973 * src/reader.c (parse_union_decl): No longer output to
17974 defines_obstack: its content can be found in the `stype' muscle
17976 (output_token_translations): Merge into...
17977 (symbols_output): this.
17979 (symbols_save): this.
17981 * src/output.c (header_output): New.
17984 2001-12-15 Akim Demaille <akim@epita.fr>
17986 * src/reader.c (parse_union_decl): Instead of handling two obstack
17987 simultaneously, use one to define the `stype' muscle, and use the
17988 value of the latter to fill defines_obstack.
17989 (copy_comment): Remove.
17990 (copy_comment2): Work for a single obstack.
17992 (copy_comment): this.
17994 2001-12-15 Akim Demaille <akim@epita.fr>
17996 * src/lex.c, src/lex.h (xgetc): No longer static.
17997 * src/reader.c (parse_union_decl): Revamp.
17999 2001-12-15 Akim Demaille <akim@epita.fr>
18001 Still making progress in separating Bison into (i) input, (ii)
18002 process, (iii) output: now we can directly output the parser file
18003 without using table_obstack at all.
18005 * src/files.c, src/files.h (table_obstack): Bye bye.
18006 (parser_file_name): New.
18007 * src/files.c (compute_output_file_names): Compute it.
18008 * src/output.c (actions_output, output_parser)
18009 (output_master_parser): To a file instead of an obstack.
18011 2001-12-15 Akim Demaille <akim@epita.fr>
18013 Attach actions to rules, instead of pre-outputting them to
18016 * src/gram.h (rule_t): action and action_line are new members.
18017 * src/reader.c (symbol_list): Likewise.
18018 (copy_action): Save the actions within the rule.
18019 (packgram): Save them in rule_table.
18020 * src/output.c (actions_output): New.
18021 (output_parser): Use it on `%%actions'.
18022 (output_rule_data): Don't free rule_table.
18024 (prepare): Don't save the `action' muscle.
18025 * src/bison.simple: s/%%action/%%actions/.
18027 2001-12-15 Akim Demaille <akim@epita.fr>
18029 * src/reader.c (copy_action): When --yacc, don't append a `;'
18030 to the user action: let it fail if lacking.
18031 Suggested by Arnold Robbins and Tom Tromey.
18033 2001-12-14 Akim Demaille <akim@epita.fr>
18035 * src/lex.c (literalchar): Simply return the char you decoded, non
18036 longer mess around with obstacks and int pointers.
18037 Adjust all callers.
18039 2001-12-14 Akim Demaille <akim@epita.fr>
18041 * src/lex.c (literalchar): Don't escape the special characters,
18042 just decode them, and keep them as char (before, eol was output as
18043 the 2 char string `\n' etc.).
18044 * src/output.c (output_rule_data): Use quotearg to output the
18047 2001-12-13 Paul Eggert <eggert@twinsun.com>
18049 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
18050 Do not infringe on the global user namespace when using C++.
18051 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
18052 All uses of `fprintf' and `stderr' changed.
18054 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
18056 2001-12-13 Akim Demaille <akim@epita.fr>
18058 The computation of nullable is broken: it doesn't handle empty
18061 * tests/torture.at (GNU AWK Grammar): New.
18062 * tests/sets.at (Nullable): New.
18063 * src/nullable.c (set_nullable): Instead of blindly looping over
18064 `ritems', loop over the rules, and then over their rhs's.
18066 Work around Autotest bugs.
18068 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
18069 frame, because Autotest understand lines starting with a `+' as
18070 traces from the shell. Then, they are not processed properly.
18071 Admittedly an Autotest bug, but we don't have time to wait for
18072 Autotest to catch up.
18073 * tests/regression.at (Broken Closure): Adjust to the new table
18076 * tests/sets.at: here.
18078 2001-12-13 Akim Demaille <akim@epita.fr>
18080 * src/closure.c (closure): Use nrules instead of playing tricks
18081 with BITS_PER_WORD.
18083 2001-12-13 Akim Demaille <akim@epita.fr>
18085 * src/print.c (print_actions): Output the handling of `$' as the
18086 traces do: shifting the token EOF. Before EOF was treated as a
18088 * tests/regression.at: Adjust some tests.
18089 * src/print_graph.c (print_core): Complete the set of items via
18090 closure. The next-to-final and final states are still unsatisfying,
18091 but that's to be addressed elsewhere.
18092 No longer output the rule numbers, but do output the state number.
18093 A single loop for the shifts + gotos is enough, but picked a
18094 distinct color for each.
18095 (print_graph): Initialize and finalize closure.
18097 2001-12-13 Akim Demaille <akim@epita.fr>
18099 * src/reader.c (readgram): Remove dead code, an strip useless
18101 (get_type): Remove, unused.
18103 2001-12-12 Akim Demaille <akim@epita.fr>
18105 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
18106 on that of lib/error.c.
18108 2001-12-12 Akim Demaille <akim@epita.fr>
18110 Some hosts don't like `/' in includes.
18112 * src/system.h: Include libgettext.h without qualifying the path.
18113 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
18116 2001-12-11 Marc Autret <autret_m@epita.fr>
18118 * src/output.c (output_parser): Remove useless muscle.
18120 2001-12-11 Marc Autret <autret_m@epita.fr>
18122 * src/bison.simple: Remove #line just before %%epilogue. It
18123 is now handled in ...
18124 * src/reader.c (read_additionnal_code): Add the output of a
18125 #line for the epilogue.
18127 2001-12-10 Marc Autret <autret_m@epita.fr>
18129 * src/reader.c (copy_definition): Re-use CPP-outed code which
18130 replace precedent remove.
18131 * src/bison.simple: Remove #line before %%prologue because
18132 %%input-line is wrong at this time.
18134 2001-12-10 Marc Autret <autret_m@epita.fr>
18136 * src/reader.c (symbols_output): Clean up.
18137 * src/output.c (output_gram, output): Clean up.
18139 2001-12-10 Akim Demaille <akim@epita.fr>
18141 * src/lalr.c (initialize_lookaheads): New. Extracted from...
18142 * src/LR0.c (set_state_table): here.
18143 * src/lalr.c (lalr): Call it.
18145 2001-12-10 Akim Demaille <akim@epita.fr>
18147 * src/state.h (shifts): Remove the `number' member: shifts are
18148 attached to state, hence no longer need to be labelled with a
18151 2001-12-10 Akim Demaille <akim@epita.fr>
18153 Now that states have a complete set of members, the linked list of
18154 shifts is useless: just fill directly the state's shifts member.
18156 * src/state.h (shifts): Remove the `next' member.
18157 * src/LR0.c (first_state, last_state): Remove.
18158 Adjust the callers.
18159 (augment_automaton): Don't look for the shifts that must be added
18160 a shift on EOF: it is those of the state we looked for! But now,
18161 since shifts are attached, it is no longer needed to looking
18162 merely by its id: its number.
18164 2001-12-10 Akim Demaille <akim@epita.fr>
18166 * src/LR0.c (augment_automaton): Better variable locality.
18167 Remove an impossible branch: if there is a state corresponding to
18168 the start symbol being shifted, then there is shift for the start
18169 symbol from the initial state.
18171 2001-12-10 Akim Demaille <akim@epita.fr>
18173 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
18174 only when appropriate: when insert_start_shifting_state' is not
18176 * tests/regression.at (Rule Line Numbers): Adjust.
18178 2001-12-10 Akim Demaille <akim@epita.fr>
18180 * src/LR0.c (augment_automaton): Now that all states have shifts,
18181 merge the two cases addition shifts to the initial state.
18183 2001-12-10 Akim Demaille <akim@epita.fr>
18185 * src/lalr.c (set_state_table): Move to...
18187 * src/lalr.c (lalr): Don't call it...
18188 * src/LR0.c (generate_states): do it.
18189 * src/LR0.h (first_state): Remove, only the table is used.
18191 2001-12-10 Akim Demaille <akim@epita.fr>
18193 * src/LR0.h (first_shift, first_reduction): Remove.
18194 * src/lalr.c: Don't use first_shift: find shifts through the
18197 2001-12-10 Akim Demaille <akim@epita.fr>
18199 * src/LR0.c: Attach shifts to states as soon as they are
18201 * src/lalr.c (set_state_table): Instead of assigning shifts to
18202 state, just assert that the mapping was properly done.
18204 2001-12-10 Akim Demaille <akim@epita.fr>
18206 * src/LR0.c (insert_start_shift): Rename as...
18207 (insert_start_shifting_state): this.
18208 (insert_eof_shifting_state, insert_accepting_state): New.
18209 (augment_automaton): Adjust.
18210 Better locality of the variables.
18211 When looking if the start_symbol is shifted from the initial
18212 state, using `while (... symbol != start_symbol ...)' sounds
18213 better than `while (... symbol < start_symbol ...)': If fail
18214 to see how the order between symbols could be relevant!
18216 2001-12-10 Akim Demaille <akim@epita.fr>
18218 * src/getargs.h: Don't declare `spec_name_prefix' and
18219 `spec_file_prefix', declared by src/files.h.
18220 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
18221 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
18222 * src/output.c (prepare): Adjust.
18223 * src/reader.c (symbols_output): Likewise.
18224 * src/vmsgetargs.c: Vaguely adjust, but who cares?
18226 2001-12-10 Akim Demaille <akim@epita.fr>
18228 * src/muscle_tab.c (muscle_init): NULL is a better default than
18231 2001-12-10 Akim Demaille <akim@epita.fr>
18233 * src/reader.c (reader): Calling symbols_output once is enough.
18235 2001-12-10 Akim Demaille <akim@epita.fr>
18237 Now that states have a complete set of members, the linked list of
18238 reductions is useless: just fill directly the state's reductions
18241 * src/state.h (struct reductions): Remove member `number' and
18243 * src/LR0.c (first_reduction, last_reduction): Remove.
18244 (save_reductions): Don't link the new reductions, store them in
18246 * src/lalr.c (set_state_table): No need to attach reductions to
18247 states, it's already done.
18248 * src/output.c (output_actions): No longer free the shifts, then
18249 the reductions, then the states: free all the states and their
18252 2001-12-10 Akim Demaille <akim@epita.fr>
18254 * src/options.c (OPTN, DRTV, BOTH): New.
18255 (option_table): Use them.
18257 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
18258 the job of system.h.
18259 * src/options.c: Don't include stdio.h and xalloc.h for the same
18262 2001-12-10 Akim Demaille <akim@epita.fr>
18264 * src/output.c (output, prepare): Make sure the values of the
18265 muscles `action' and `prologue' are 0-terminated.
18267 2001-12-10 Akim Demaille <akim@epita.fr>
18269 Clean up GCC warnings.
18271 * src/reader.c (copy_action): `buf' is not used.
18272 (parse_skel_decl): Be static.
18273 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
18274 * src/options.h (create_long_option_table): Have a real prototype.
18275 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
18276 (hash_delete_at): Return const void *.
18277 Adjust casts to preserve the const.
18279 2001-12-10 Akim Demaille <akim@epita.fr>
18281 * configure.in: Require 2.52g.
18282 M4 is not needed, but AUTOM4TE is.
18283 * m4/m4.m4: Remove.
18284 * tests/Makefile.am: Adjust.
18286 2001-12-10 Akim Demaille <akim@epita.fr>
18288 One structure for states is enough, even though theoretically
18289 there are LR(0) states and LALR(1) states.
18291 * src/lalr.h (state_t): Remove.
18292 (state_table): Be state_t **, not state_t *.
18293 * src/state.h (core, CORE_ALLOC): Rename as...
18294 (state_t, STATE_ALLOC): this.
18295 Add the LALR(1) members: shifts, reductions, errs.
18296 * src/LR0.c (state_table): Rename as...
18297 (state_hash): this, to avoid name clashes with the global
18299 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
18300 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
18302 2001-12-10 Akim Demaille <akim@epita.fr>
18304 Bison dumps core on bash.y.
18305 Reported by Pascal Bart.
18307 * src/warshall.c (bitmatrix_print): New.
18309 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
18310 j must be the outer loop.
18311 * tests/regression.at (Broken Closure): New.
18313 2001-12-05 Akim Demaille <akim@epita.fr>
18315 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
18317 Reported by Peter Hamorsky.
18319 2001-12-05 Akim Demaille <akim@epita.fr>
18321 * src/conflicts.c (err_table): Remove.
18322 (resolve_sr_conflict): Adjust.
18323 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
18325 (state_t.reductions, state_t.shifts): this.
18327 2001-12-05 Akim Demaille <akim@epita.fr>
18329 * src/reduce.c (reduce_grammar_tables): No longer disable the
18330 removal of useless rules via CPP but via `if (0)', so that the
18331 compiler still check the code is valid.
18332 For instance, it should have noticed `rline' no longer exists: use
18333 the `line' member of rule_t.
18334 * src/gram.c (dummy, rline): Remove, unused.
18336 2001-12-05 Akim Demaille <akim@epita.fr>
18338 * src/output.c (pack_vector): Use assert, not berror.
18339 * src/main.c (berror): Remove, unused.
18341 2001-12-05 Akim Demaille <akim@epita.fr>
18343 New experimental feature: if --verbose --trace output all the
18344 items of a state, not only its kernel.
18346 * src/print.c (print_core): If `trace_flag', then invoke closure
18347 before outputting the items of the state (print_core is no longer
18348 a correct name them).
18349 (print_results): Invoke new_closure/free_closure if needed.
18351 2001-12-05 Akim Demaille <akim@epita.fr>
18353 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
18354 * src/closure.c, src/closure.h (itemsetsize): Rename as...
18355 (nitemset): for consistency with the rest of the project.
18357 2001-12-05 Akim Demaille <akim@epita.fr>
18359 * src/closure.c (print_closure): Improve.
18360 (closure): Use it for printing input and output.
18362 2001-12-05 Akim Demaille <akim@epita.fr>
18364 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
18365 indexed by nonterminals.
18367 2001-12-05 Akim Demaille <akim@epita.fr>
18369 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
18371 * src/warshall.h: Remove accidental duplication of the content.
18373 2001-12-05 Akim Demaille <akim@epita.fr>
18375 * src/closure.c (set_fderives): De-obfuscate.
18377 2001-12-05 Akim Demaille <akim@epita.fr>
18379 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
18381 2001-12-05 Akim Demaille <akim@epita.fr>
18383 * src/closure.c (set_firsts): De-obfuscate.
18385 2001-12-05 Akim Demaille <akim@epita.fr>
18387 * src/output.c (action_row): De-obfuscate
18388 using the good o' techniques: arrays not pointers, variable
18389 locality, BITISSET, RESETBIT etc.
18391 2001-12-05 Akim Demaille <akim@epita.fr>
18393 Pessimize the code to simplify it: from now on, all the states
18394 have a valid SHIFTS, which NSHIFTS is possibly 0.
18396 * src/LR0.c (shifts_new): Be global and move to..
18397 * src/state.c, src/state.h: here.
18398 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
18399 * src/print_graph: Adjust.
18401 2001-12-05 Akim Demaille <akim@epita.fr>
18403 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
18404 * src/conflicts.c: Use it.
18405 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
18406 incorrectly ``simplified''.
18408 2001-12-05 Akim Demaille <akim@epita.fr>
18410 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
18411 using the good o' techniques: arrays not pointers, variable
18412 locality, BITISSET, RESETBIT etc.
18414 2001-12-05 Akim Demaille <akim@epita.fr>
18416 * src/state.h (SHIFT_SYMBOL): New.
18417 * src/conflicts.c: Use it to deobfuscate.
18419 2001-12-05 Akim Demaille <akim@epita.fr>
18421 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
18422 (print_reductions): De-obfuscate using the good o' techniques:
18423 arrays not pointers, variable locality, BITISSET.
18425 2001-12-05 Akim Demaille <akim@epita.fr>
18427 * src/conflicts.c (print_reductions): Arrays, not pointers.
18430 2001-12-05 Akim Demaille <akim@epita.fr>
18432 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18434 2001-12-05 Akim Demaille <akim@epita.fr>
18436 * src/conflicts.c (print_reductions): Improve variable locality.
18438 2001-12-05 Akim Demaille <akim@epita.fr>
18440 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18442 2001-12-05 Akim Demaille <akim@epita.fr>
18444 * src/conflicts.c (print_reductions): Improve variable locality.
18446 2001-12-05 Akim Demaille <akim@epita.fr>
18448 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
18449 * src/lalr.c: Use them.
18451 2001-12-05 Akim Demaille <akim@epita.fr>
18453 * src/LR0.c (augment_automaton): Formatting changes.
18454 Better variable locality.
18456 2001-12-05 Akim Demaille <akim@epita.fr>
18458 * src/lalr.c (matrix_print): New.
18459 (transpose): Use it.
18460 Use arrays instead of pointers.
18462 2001-12-05 Akim Demaille <akim@epita.fr>
18464 * src/lalr.c (maxrhs): Move to...
18465 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
18466 * src/lalr.c (build_relations): Adjust.
18468 2001-12-05 Akim Demaille <akim@epita.fr>
18470 * src/lalr.c (transpose): Free the memory allocated to the
18471 argument, as it is replaced by the results by the unique caller.
18472 (build_relations): Merely invoke transpose: it handles the memory
18474 Improve variable locality.
18475 Avoid variables used as mere abbreviations.
18476 (compute_lookaheads): Use arrays instead of pointers.
18478 2001-12-05 Akim Demaille <akim@epita.fr>
18480 * src/lalr.c (initialize_F): Improve variable locality.
18481 Avoid variables used as mere abbreviations.
18483 2001-12-05 Akim Demaille <akim@epita.fr>
18485 * src/derives.c (print_derives): Display the ruleno.
18486 * src/lalr.c (initialize_F, transpose): Better variable locality
18487 to improve readability.
18488 Avoid variables used as mere abbreviations.
18490 2001-12-05 Akim Demaille <akim@epita.fr>
18492 * src/lalr.c (traverse): Use arrays instead of pointers.
18494 2001-12-05 Akim Demaille <akim@epita.fr>
18496 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
18497 the handling of squeue.
18498 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
18500 2001-12-05 Akim Demaille <akim@epita.fr>
18502 Because useless nonterminals are now kept alive (instead of being
18503 `destroyed'), we now sometimes examine them, and store information
18504 related to them. Hence we need to know their number, and adjust
18505 memory allocations.
18507 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
18509 * src/LR0.c (allocate_itemsets): The memory allocated to
18510 `symbol_count' was used for two different purpose: once to count
18511 the number of occurrences of each symbol, and later reassigned to
18512 `shift_symbol', containing the symbol that can be shifted from a
18514 Deobfuscate, i.e., allocate, use and free `symbol_count' here
18516 (new_itemsets): Allocate `shift_symbol' here.
18517 (allocate_itemsets): symbol_count includes useless nonterminals.
18518 Make room for them.
18519 (free_storage): Use `free', not `XFREE', for pointers that cannot
18522 2001-12-05 Akim Demaille <akim@epita.fr>
18524 * src/nullable.c (set_nullable): Deobfuscate the handling of
18526 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
18528 2001-12-05 Akim Demaille <akim@epita.fr>
18530 * src/gram.c, src/gram.h (ritem_print): New.
18531 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
18532 (This useless function was defined only to work around VMS linkers
18533 that can't handle compilation units with variables only).
18534 * src/reduce.c (dump_grammar): Use it to trace the construction of
18537 2001-12-04 Paul Eggert <eggert@twinsun.com>
18539 * src/bison.simple (union yyalloc): Change member names
18540 to be the same as the stack names.
18541 (yyparse): yyptr is now union yyalloc *, not char *.
18542 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
18543 and may generate better code on some machines.
18544 (yystpcpy): Use prototype if __STDC__ is defined, not just
18545 if __cplusplus is defined.
18547 2001-11-30 Akim Demaille <akim@epita.fr>
18549 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
18550 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
18551 Gettext doesn't compile cleanly, and dies with -Werror.
18552 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
18553 Include WARNING_CFLAGS here.
18554 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
18555 before being defined.
18557 2001-11-27 Paul Eggert <eggert@twinsun.com>
18559 * lib/quotearg.h (quotearg_n, quotearg_n_style):
18560 First arg is int, not unsigned.
18561 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
18562 (SIZE_MAX, UINT_MAX): New macros.
18563 (quotearg_n_options): Abort if N is negative.
18564 Avoid overflow check on hosts where size_t is 64 bits and int
18565 is 32 bits, as overflow is impossible there.
18566 Fix off-by-one typo that caused unnecessary reallocation.
18568 2001-11-29 Paul Eggert <eggert@twinsun.com>
18570 Name space cleanup in generated parser.
18572 * doc/bison.texinfo (Bison Parser): Discuss system headers
18573 and their effect on the user name space.
18575 * src/bison.simple:
18576 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
18577 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
18578 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
18580 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
18581 on user names when possible.
18583 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
18584 Simplify test for whather <alloca.h> exists.
18586 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
18588 (<stdio.h>): Include if YYDEBUG.
18590 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
18591 ! defined (yyoverflow) && ! defined (yymemcpy).
18593 (yymemcpy, yyparse): Rename local variables as needed so that
18594 they all begin with 'yy'.
18596 (yystrlen, yystpcpy): New functions.
18598 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
18601 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
18602 instead of relying on string.h functions. Use YYSTACK_ALLOC
18603 and YYSTACK_FREE instead of malloc and free.
18605 2001-11-30 Akim Demaille <akim@epita.fr>
18607 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
18608 before their first uses.
18609 (YYBISON, YYPURE): Move to the top of the output.
18611 2001-11-30 Akim Demaille <akim@epita.fr>
18613 * tests/reduce.at (Useless Nonterminals): Fix.
18615 2001-11-30 Akim Demaille <akim@epita.fr>
18617 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
18618 if body instead of `;' to pacify GCC's warnings.
18620 2001-11-30 Akim Demaille <akim@epita.fr>
18622 Instead of mapping the LHS of unused rules to -1, keep the LHS
18623 valid, but flag the rules as invalid.
18625 * src/gram.h (rule_t): `useful' is a new member.
18626 * src/print.c (print_grammar): Adjust.
18627 * src/derives.c (set_derives): Likewise.
18628 * src/reader.c (packgram, reduce_output): Likewise.
18629 * src/reduce.c (reduce_grammar_tables): Likewise.
18630 * tests/reduce.at (Underivable Rules, Useless Rules): New.
18632 2001-11-30 Akim Demaille <akim@epita.fr>
18634 * src/reduce.c (reduce_output): Formatting changes.
18635 * src/print.c (print_results, print_grammar): Likewise.
18636 * tests/regression.at (Rule Line Numbers)
18637 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
18639 2001-11-30 Akim Demaille <akim@epita.fr>
18641 * src/reduce.c (nonterminals_reduce): Instead of throwing away
18642 useless nonterminals, move them at the end of the symbol arrays.
18643 (reduce_output): Adjust.
18644 * tests/reduce.at (Useless Nonterminals): Adjust.
18646 2001-11-30 Akim Demaille <akim@epita.fr>
18648 * src/reduce.c: Various comment/formatting changes.
18649 (nonterminals_reduce): New, extracted from...
18650 (reduce_grammar_tables): here.
18651 (reduce_grammar): Call nonterminals_reduce.
18653 2001-11-29 Paul Eggert <eggert@twinsun.com>
18655 * src/bison.simple (YYSTACK_REALLOC): Remove.
18656 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
18657 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
18659 (union yyalloc): New type.
18660 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
18661 an arbitrary restriction on hosts where size_t is wider than int.
18663 (yyparse): Don't dump core if alloca or malloc fails; instead, report
18664 a parser stack overflow. Allocate just one block of memory for all
18665 three stacks, instead of allocating three blocks; this typically is
18666 faster and reduces fragmentation.
18668 Do not limit the number of items in the stack to a value that fits
18669 in 'int', as this is an arbitrary limit on hosts with 64-bit
18670 size_t and 32-bit int.
18672 2001-11-29 Marc Autret <autret_m@epita.fr>
18674 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
18675 of defining YYERROR_VERBOSE.
18676 [AT_DATA]: $4 is now out of C declarations in the prologue.
18678 2001-11-28 Marc Autret <autret_m@epita.fr>
18680 * src/reader.c (parse_dquoted_param): New.
18681 (parse_skel_decl): Use it.
18682 * src/lex.h: Add its prototype.
18683 * src/lex.c (literalchar): Become not static.
18685 2001-11-28 Marc Autret <autret_m@epita.fr>
18687 * src/output.h: And put its extern declaration here.
18688 * src/output.c (error_verbose): Define here.
18689 (prepare): Echo name modification.
18690 * src/getargs.h: Clean its extern declaration.
18691 * src/getargs.c (error_verbose_flag): Remove.
18692 (getargs): Remove case 'e'.
18693 * src/options.c (option_table): 'error-verbose' is now seen as simple
18697 * src/reader.c (read_declarations): Remove case tok_include.
18698 (parse_include_decl): Remove.
18699 * src/lex.h (token_t): Remove tok_include.
18700 * src/options.c (option_table): 'include' is now a simple command line
18703 2001-11-28 Marc Autret <autret_m@epita.fr>
18705 * src/bison.simple: Adjust muscle names.
18706 * src/muscle_tab.c (muscle_init): Also rename the muscles.
18707 * src/output.c (prepare): s/_/-/ for the muscles names.
18708 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
18710 2001-11-28 Marc Autret <autret_m@epita.fr>
18712 * src/bison.simple: Fix debug.
18713 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
18715 2001-11-28 Akim Demaille <akim@epita.fr>
18717 * src/LR0.c (shifts_new): New.
18718 (save_shifts, insert_start_shift, augment_automaton): Use it.
18720 2001-11-28 Akim Demaille <akim@epita.fr>
18722 * src/closure.c (closure): `b' and `ruleno' denote the same value:
18725 2001-11-28 Akim Demaille <akim@epita.fr>
18727 * src/closure.c (closure): Instead of looping over word in array
18728 then bits in words, loop over bits in array.
18730 2001-11-28 Akim Demaille <akim@epita.fr>
18732 * src/closure.c (closure): No longer optimize the special case
18733 where all the bits of `ruleset[r]' are set to 0, to make the code
18736 2001-11-28 Akim Demaille <akim@epita.fr>
18738 * src/closure.c (closure): `r' and `c' are new variables, used to
18739 de-obfuscate accesses to RULESET and CORE.
18741 2001-11-28 Akim Demaille <akim@epita.fr>
18743 * src/reduce.c (reduce_print): Use ngettext.
18744 (dump_grammar): Improve the trace accuracy.
18746 2001-11-28 Akim Demaille <akim@epita.fr>
18748 * src/reduce.c (dump_grammar): Don't translate trace messages.
18750 2001-11-28 Akim Demaille <akim@epita.fr>
18752 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
18753 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
18754 as all tags are free'ed afterwards.
18755 From Enrico Scholz.
18757 2001-11-27 Paul Eggert <eggert@twinsun.com>
18759 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
18760 use alloca when we didn't want to, and vice versa.
18762 2001-11-27 Marc Autret <autret_m@epita.fr>
18764 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
18766 * src/output.c (prepare): Remove its update.
18768 2001-11-27 Marc Autret <autret_m@epita.fr>
18770 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
18771 Use %error-verbose.
18773 2001-11-27 Marc Autret <autret_m@epita.fr>
18775 * src/bison.simple: Remove YYERROR_VERBOSE using.
18776 Use %%error_verbose.
18777 (yyparse): Likewise.
18778 * src/output.c (prepare): Give its final value.
18779 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
18780 * src/getargs.h: Add its extern declaration.
18781 * src/getargs.c (error_verbose_flag): New int.
18782 (getargs): Update to catch new case.
18783 * src/options.c (option_table): 'error-verbose' is a new option.
18784 (shortopts): Update.
18786 2001-11-27 Akim Demaille <akim@epita.fr>
18788 * src/system.h: Use intl/libgettext.h.
18789 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
18791 2001-11-27 Akim Demaille <akim@epita.fr>
18793 * tests/torture.at (Exploding the Stack Size with Malloc):
18794 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
18796 2001-11-27 Akim Demaille <akim@epita.fr>
18798 * src/files.c: Include error.h.
18799 Reported by Hans Aberg.
18801 2001-11-26 Marc Autret <autret_m@epita.fr>
18803 * src/reader.c (parse_include_decl): New, not yet implemented.
18804 (read_declarations): Add case tok_include.
18805 * src/getargs.h (include): Add its extern definition.
18806 * src/getargs.c (include): New const char *.
18807 (getargs): Add case '-I'.
18808 * src/options.c (option_table): Add include as command line and
18810 * src/lex.h (token_t): Add tok_include.
18812 2001-11-26 Akim Demaille <akim@epita.fr>
18814 * src/reader.c (readgram): Make sure rules for mid-rule actions
18815 have a lineno equal to that of their host rule.
18816 Reported by Hans Aberg.
18817 * tests/regression.at (Rule Line Numbers): New.
18819 2001-11-26 Akim Demaille <akim@epita.fr>
18821 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
18824 2001-11-26 Akim Demaille <akim@epita.fr>
18826 * src/complain.c, src/complain.h (error): Remove, provided by
18829 2001-11-26 Akim Demaille <akim@epita.fr>
18831 * src/reader.c (read_declarations): Don't abort on tok_illegal,
18832 issue an error message.
18833 * tests/regression.at (Invalid %directive): New.
18834 Reported by Hans Aberg.
18836 2001-11-26 Akim Demaille <akim@epita.fr>
18838 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
18839 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
18841 2001-11-26 Akim Demaille <akim@epita.fr>
18843 * src/conflicts.c (conflicts_print): Don't complain at all when
18844 there are no reduce/reduce conflicts, and as many shift/reduce
18845 conflicts as expected.
18846 * tests/regression.at (%expect right): Adjust.
18848 2001-11-23 Akim Demaille <akim@epita.fr>
18850 * lib/alloca.c: Update, from fileutils.
18852 2001-11-23 Akim Demaille <akim@epita.fr>
18854 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
18856 2001-11-23 Akim Demaille <akim@epita.fr>
18858 * src/system.h: Include alloca.h.
18859 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
18861 2001-11-23 Akim Demaille <akim@epita.fr>
18863 * src/print_graph.c (print_actions): Remove `rule', unused.
18864 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
18865 pacify GCC's signed < unsigned warnings.
18866 * src/closure.c (itemsetsize): Likewise.
18867 * src/reader.c (symbol_list_new): Static.
18869 2001-11-23 Akim Demaille <akim@epita.fr>
18871 Attaching lineno to buckets is stupid, since only one copy of each
18872 symbol is kept, only the line of the first occurrence is kept too.
18874 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
18875 * src/reader.c (rline_allocated): Remove, unused.
18876 (symbol_list): Have a `line' member.
18877 (symbol_list_new): New.
18878 (readgram): Use it.
18879 * src/print.c (print_grammar): Output the rule line numbers.
18880 * tests/regression.at (Solved SR Conflicts)
18881 (Unresolved SR Conflicts): Adjust.
18882 Reported by Hans Aberg.
18884 2001-11-22 Marc Autret <autret_m@epita.fr>
18886 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
18888 2001-11-22 Marc Autret <autret_m@epita.fr>
18890 * src/muscle_tab.c (muscle_init): Remove initialization of
18892 * src/output.c (output_master_parser): Do it here.
18894 2001-11-20 Akim Demaille <akim@epita.fr>
18897 * configure.in (ALL_LINGUAS): Adjust.
18898 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
18899 longer contains strings to translate.
18901 2001-11-19 Akim Demaille <akim@epita.fr>
18903 * src/conflicts.c (conflicts_print): Add a missing \n.
18905 2001-11-19 Akim Demaille <akim@epita.fr>
18907 * src/nullable.c (nullable_print): New.
18908 (set_nullable): Call it when tracing.
18909 Better locality of variables.
18911 2001-11-19 Akim Demaille <akim@epita.fr>
18913 * src/print.c (print_actions): Better locality of variables.
18915 2001-11-19 Akim Demaille <akim@epita.fr>
18917 * src/derives.c (print_derives): Fix and enrich.
18918 * src/closure.c (print_fderives): Likewise.
18920 2001-11-19 Akim Demaille <akim@epita.fr>
18922 * src/closure.c (itemsetend): Remove, replaced with...
18923 (itemsetsize): new.
18925 2001-11-19 Akim Demaille <akim@epita.fr>
18927 * src/LR0.c (kernel_end): Remove, replaced with...
18928 (kernel_size): new.
18930 2001-11-19 Akim Demaille <akim@epita.fr>
18932 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
18935 2001-11-19 Akim Demaille <akim@epita.fr>
18937 * src/closure.c (closure): Use arrays instead of pointers to clarify.
18939 2001-11-19 Akim Demaille <akim@epita.fr>
18941 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
18943 * src/LR0.c: Likewise.
18944 (allocate_itemsets): Use arrays instead of pointers to clarify.
18946 2001-11-19 Akim Demaille <akim@epita.fr>
18948 * src/getargs.c (statistics_flag): Replace with...
18950 (longopts): Accept --trace instead of --statistics.
18951 * src/getargs.h, src/options.c: Adjust.
18952 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
18953 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
18955 2001-11-19 Akim Demaille <akim@epita.fr>
18957 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
18958 pointers to clarify the code.
18959 (save_reductions, save_shifts): Factor common parts of alternatives.
18961 2001-11-19 Akim Demaille <akim@epita.fr>
18963 * src/LR0.c (new_state, get_state): Complete TRACE code.
18964 * src/closure.c: Include `reader.h' to get `tags', needed by the
18966 Rename the conditional DEBUG as TRACE.
18967 Output consistently TRACEs to stderr, not stdout.
18968 * src/derives.c: Likewise.
18969 * src/reduce.c: (inaccessable_symbols): Using if is better style
18971 Use `#if TRACE' instead of `#if 0' for tracing code.
18973 2001-11-19 Akim Demaille <akim@epita.fr>
18975 * src/system.h (LIST_FREE, shortcpy): New.
18976 * src/LR0.c: Use them.
18977 * src/output.c (free_itemsets, free_reductions, free_shifts):
18978 Remove, replaced by LIST_FREE.
18980 2001-11-19 Akim Demaille <akim@epita.fr>
18982 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
18983 (REDUCTIONS_ALLOC): New.
18984 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
18987 2001-11-19 Akim Demaille <akim@epita.fr>
18989 * src/LR0.c (new_state): Complete trace code.
18990 * src/nullable.c (set_nullable): Don't translate traces.
18992 2001-11-19 Akim Demaille <akim@epita.fr>
18994 * src/print_graph.c (print_core): Better locality of variables.
18995 * src/print.c (print_core): Likewise.
18997 2001-11-19 Akim Demaille <akim@epita.fr>
18999 * src/vcg.c: You do the output, so you are responsible of the
19000 handling of VCG syntax, in particular: use quotearg.
19001 * src/print_graph.c: Don't.
19002 (print_actions): Don't output the actions as part of the nodes,
19003 since that's the job of the edges.
19004 (print_state): Don't output by hand: fill the node description,
19005 and ask for its output.
19007 2001-11-19 Akim Demaille <akim@epita.fr>
19009 * src/bison.simple (yyparse): When verbosely reporting an error,
19010 no longer put additional quotes around token names.
19011 * tests/calc.at: Adjust.
19013 2001-11-19 Akim Demaille <akim@epita.fr>
19015 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
19016 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
19017 * src/output.c: Adjust.
19019 2001-11-19 Akim Demaille <akim@epita.fr>
19021 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
19023 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
19025 2001-11-19 Akim Demaille <akim@epita.fr>
19027 * src/gram.h (rule_t): New.
19029 (rrhs, rlhs): Remove, part of state_t.
19030 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
19031 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
19032 * src/reader.c, src/reduce.c: Adjust.
19034 2001-11-19 Akim Demaille <akim@epita.fr>
19036 * src/reader.c (symbols_output): New, extracted from...
19037 (packsymbols): Here.
19040 2001-11-19 Akim Demaille <akim@epita.fr>
19042 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
19043 (maxrhs): this new function.
19045 2001-11-19 Akim Demaille <akim@epita.fr>
19047 * src/lalr.c (F): New macro to access the variable F.
19050 2001-11-19 Akim Demaille <akim@epita.fr>
19052 * src/lalr.h (LA): New macro to access the variable LA.
19053 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19054 * src/lalr.c: Adjust.
19056 2001-11-19 Akim Demaille <akim@epita.fr>
19058 * src/lalr.c (initialize_LA): Only initialize LA. Let...
19059 (set_state_table): handle the `lookaheads' members.
19061 2001-11-19 Akim Demaille <akim@epita.fr>
19063 * src/lalr.h (lookaheads): Removed array, whose contents is now
19065 (state_t): this structure.
19066 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19069 2001-11-19 Akim Demaille <akim@epita.fr>
19071 * src/lalr.h (consistent): Removed array, whose contents is now
19073 (state_t): this structure.
19074 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19077 2001-11-19 Akim Demaille <akim@epita.fr>
19079 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
19080 contents are now members of...
19081 (state_t): this structure.
19082 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19085 2001-11-19 Akim Demaille <akim@epita.fr>
19087 * src/lalr.h (state_t): New.
19088 (state_table): Be a state_t * instead of a core **.
19089 (accessing_symbol): Remove, part of state_t.
19090 * src/lalr.c: Adjust.
19091 (set_accessing_symbol): Merge into...
19092 (set_state_table): this.
19093 * src/print_graph.c, src/conflicts.c: Adjust.
19095 2001-11-14 Akim Demaille <akim@epita.fr>
19097 * tests/calc.at, tests/output.at, tests/regression.at,
19098 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
19099 now the tests are run in private dirs, therefore AC_CLEANUP and
19100 family can be simplified to 0-ary.
19101 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
19102 use abs. path to find config.h.
19103 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
19104 stderr, there can be way too much random noise.
19105 Instead pass -Werror to GCC and rely on the exit status.
19106 Reported by Wolfram Wagner.
19108 2001-11-14 Akim Demaille <akim@epita.fr>
19110 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
19111 defined only if yyoverflow is defined, to avoid `warning: unused
19113 Reported by The Test Suite.
19115 2001-11-14 Akim Demaille <akim@epita.fr>
19117 * src/print.c: Include reduce.h.
19118 Reported by Hans Aberg.
19120 2001-11-14 Akim Demaille <akim@epita.fr>
19122 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
19123 Revert a previous patch: these are really const.
19124 * src/conflicts.c (conflict_report): Additional useless pair of
19125 braces to pacify GCC's warnings for `if () if () {} else {}'.
19126 * src/lex.c (parse_percent_token): Replace equal_offset with
19129 Be sure to strdup `arg' when used, since there is no reason for
19130 token_buffer not to change.
19132 2001-11-14 Akim Demaille <akim@epita.fr>
19134 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
19136 * src/main.c (main): Use them.
19137 Suggested by Hans Aberg.
19139 2001-11-12 Akim Demaille <akim@epita.fr>
19141 * src/system.h (ngettext): Now that we use ngettext, be sure to
19142 provide a default definition when NLS are not used.
19144 2001-11-12 Akim Demaille <akim@epita.fr>
19146 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
19147 Use @kbd to denote user input.
19148 (Language and Grammar): ANSIfy the example.
19149 Adjust its layout for info/notinfo.
19150 (Location Tracking Calc): Output error messages to stderr.
19151 Output locations in a more GNUtically correct way.
19152 Fix a couple of Englishos.
19153 Adjust @group/@end group pairs.
19155 2001-11-12 Akim Demaille <akim@epita.fr>
19157 %expect was not functioning at all.
19159 * src/conflicts.c (expected_conflicts): Set to -1.
19160 (conflict_report): Use ngettext.
19161 (conflicts_print): Check %expect and make its violation an error.
19162 * doc/bison.texinfo (Expect Decl): Adjust.
19163 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
19164 * tests/regression.at (%expect not enough, %expect right)
19165 (%expect too much): New.
19167 2001-11-12 Akim Demaille <akim@epita.fr>
19169 * tests/regression.at (Conflicts): Rename as...
19170 (Unresolved SR Conflicts): this.
19171 (Solved SR Conflicts): New.
19173 2001-11-12 Akim Demaille <akim@epita.fr>
19175 * src/reduce.c (print_results): Rename as...
19176 (reduce_output): This.
19177 Output to OUT, passed as argument, instead of output_obstack.
19178 (dump_grammar): Likewise.
19179 (reduce_free): New.
19181 (reduce_grammar): No longer call reduce_output, since...
19182 * src/print.c (print_results): do it.
19183 * src/main.c (main): Call reduce_free;
19185 2001-11-12 Akim Demaille <akim@epita.fr>
19187 * src/conflicts.c (print_reductions): Accept OUT as argument.
19188 Output to it, not to output_obstack.
19189 * src/print.c (print_actions): Adjust.
19191 2001-11-12 Akim Demaille <akim@epita.fr>
19193 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
19194 the result instead of using...
19195 (src_total, rrc_total, src_count, rrc_count): Remove.
19196 (any_conflicts): Remove.
19197 (print_conflicts): Split into...
19198 (conflicts_print, conflicts_output): New.
19199 * src/conflicts.h: Adjust.
19200 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
19201 * src/print.c (print_grammar): Issue `\n' between two rules.
19202 * tests/regression.at (Conflicts): New.
19203 Reported by Tom Lane.
19205 2001-11-12 Akim Demaille <akim@epita.fr>
19207 * tests/regression.at (Invalid input): Remove, duplicate with
19208 ``Invalid input: 1''.
19210 2001-11-12 Akim Demaille <akim@epita.fr>
19212 * tests/torture.at (AT_DATA_STACK_TORTURE)
19213 (Exploding the Stack Size with Alloca)
19214 (Exploding the Stack Size with Malloc): New.
19216 2001-11-12 Akim Demaille <akim@epita.fr>
19218 * src/bison.simple (YYSTACK_REALLOC): New.
19219 (yyparse) [!yyoverflow]: Use it and free the old stack.
19220 Reported by Per Allansson.
19222 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
19224 * src/bison.simple: Define type yystype instead of YYSTYPE, and
19225 define CPP macro, which substitute YYSTYPE by yystype.
19226 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
19227 with yyltype/YYLTYPE. This allows inclusion of the generated
19228 header within the parser if the compiler, such as GGC, accepts
19229 multiple equivalent #defines.
19232 2001-11-05 Akim Demaille <akim@epita.fr>
19234 * src/reader.c (symbols_output): New, extracted from...
19235 (packsymbols): here.
19238 2001-11-05 Akim Demaille <akim@epita.fr>
19240 * src/lex.c (parse_percent_token): s/quotearg/quote/.
19242 2001-11-05 Akim Demaille <akim@epita.fr>
19244 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
19247 2001-11-05 Akim Demaille <akim@epita.fr>
19249 * src/options.h (struct option_table_struct): set_flags is void*.
19250 * src/options.c (longopts): Support `--output' and `%output'.
19252 * src/lex.h (tok_setopt): Remove, replaced with...
19253 (tok_intopt, tok_stropt): these new guys.
19254 * src/lex.c (getopt.h): Not needed.
19255 (token_buffer, unlexed_token_buffer): Not const.
19256 (percent_table): Promote `-' over `_' in directive names.
19257 Active `%name-prefix', `file-prefix', and `output'.
19258 (parse_percent_token): Accept possible arguments to directives.
19259 Promote `-' over `_' in directive names.
19261 2001-11-04 Akim Demaille <akim@epita.fr>
19263 * doc/bison.texinfo (Decl Summary): Split the list into
19264 `directives for grammars' and `directives for bison'.
19266 Add description of `%name-prefix', `file-prefix', and `output'.
19267 Promote `-' over `_' in directive names.
19268 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
19269 Simplify the description of `--name-prefix'.
19270 Promote `-' over `_' in directive names.
19271 Promote `--output' over `--output-file'.
19272 Fix the description of `--defines'.
19273 * tests/output.at: Exercise %file-prefix and %output.
19275 2001-11-02 Akim Demaille <akim@epita.fr>
19277 * doc/refcard.tex: Update.
19279 2001-11-02 Akim Demaille <akim@epita.fr>
19281 * src/symtab.h (SUNDEF): New.
19282 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
19283 stand for `uninitialized', instead of 0.
19284 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
19285 * src/lex.c (lex): Adjust.
19287 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
19289 Let yylex return it instead of a plain 0.
19290 Reported by Dick Streefland.
19292 2001-11-02 Akim Demaille <akim@epita.fr>
19294 * tests/regression.at (Mixing %token styles): New test.
19296 2001-11-02 Akim Demaille <akim@epita.fr>
19298 * src/reader.c (parse_thong_decl): Formatting changes.
19299 (token_translations_init): New, extracted from...
19300 (packsymbols): Here.
19303 2001-11-01 Akim Demaille <akim@epita.fr>
19305 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
19306 Check that `9foo.y' produces correct cpp guards.
19307 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
19311 2001-11-01 Akim Demaille <akim@epita.fr>
19313 * tests/regression.at (Invalid input: 2): New.
19314 * src/lex.c (unlexed_token_buffer): New.
19315 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
19319 2001-11-01 Akim Demaille <akim@epita.fr>
19321 * tests/calc.at: Catch up with 1.30.
19322 * configure.in: Bump to 1.49a.
19323 Adjust to newer Autotest.
19325 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
19327 * src/conflicts.c: Move global variables rrc_total and src_total ...
19328 (print_conflicts): here.
19329 * src/output.c (output): Free global variable user_toknums.
19330 * src/lex.c (token_obstack): Become static.
19332 2001-10-18 Akim Demaille <akim@epita.fr>
19334 * tests/atlocal.in (GCC): Add.
19335 * tests/calc.at: s/m4_match/m4_bmatch/.
19336 s/m4_patsubst/m4_bpatsubst/.
19337 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
19338 * configure.in: AC_SUBST(GCC).
19340 2001-10-14 Marc Autret <autret_m@epita.fr>
19342 * src/options.c (create_long_option_table): Fix.
19344 2001-10-10 Akim Demaille <akim@epita.fr>
19346 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
19348 2001-10-04 Akim Demaille <akim@epita.fr>
19350 * src/reader.c (parse_union_decl): Push the caracters in
19351 union_obstack, not attrs_obstack.
19353 2001-10-04 Akim Demaille <akim@epita.fr>
19355 Merge in the branch 1.29.
19357 * src/reader.c (packsymbols): Use a temporary obstack for
19358 `%%tokendef', since output_stack is already used elsewhere.
19360 2001-10-02 Akim Demaille <akim@epita.fr>
19364 2001-10-02 Akim Demaille <akim@epita.fr>
19368 2001-10-02 Akim Demaille <akim@epita.fr>
19370 * tests/regression.at (Invalid CPP headers): New.
19371 From Alexander Belopolsky.
19372 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
19374 2001-10-02 Akim Demaille <akim@epita.fr>
19376 * tests/regression.at (Invalid input): New.
19377 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
19380 2001-10-02 Akim Demaille <akim@epita.fr>
19382 * tests/calc.at: Now that --debug works, the tests must be adjusted.
19384 2001-10-02 Akim Demaille <akim@epita.fr>
19386 * src/output.c (output_parser): Assert `skeleton'.
19387 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
19391 2001-10-01 Marc Autret <autret_m@epita.fr>
19393 * src/lex.h: Echo modifications.
19394 * src/lex.c (unlex): Parameter is now token_t.
19397 2001-10-01 Marc Autret <autret_m@epita.fr>
19399 * src/main.c: Include lex.h.
19402 2001-09-29 Akim Demaille <akim@epita.fr>
19404 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
19406 2001-09-28 Akim Demaille <akim@epita.fr>
19408 * tests/testsuite.at: Update to newer Autotest.
19409 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
19411 2001-09-27 Akim Demaille <akim@epita.fr>
19413 Position independent wrapper.
19415 * tests/bison: Remove.
19416 * tests/bison.in: New.
19417 * configure.in: Adjust.
19419 2001-09-27 Paul Eggert <eggert@twinsun.com>
19421 Port quotearg fixes from tar 1.13.24.
19423 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
19425 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
19426 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
19428 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
19429 * m4/mbrtowc.m4: New file.
19430 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
19431 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
19433 2001-09-27 Akim Demaille <akim@epita.fr>
19437 2001-09-27 Akim Demaille <akim@epita.fr>
19441 2001-09-25 Akim Demaille <akim@epita.fr>
19443 * src/system.h: Include `xalloc.h'.
19444 Remove it from the C files.
19445 * src/files.c (output_files): Free the obstacks.
19446 * src/lex.c (init_lex): Rename as...
19449 * src/main.c (main): Use it.
19451 2001-09-24 Marc Autret <autret_m@epita.fr>
19453 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
19454 to output informations in fout (FILE*).
19455 (open_graph, close_graph): Likewise.
19456 (output_graph, output_edge, output_node): Likewise.
19457 * src/vcg.h: Update function prototypes.
19458 * src/print_graph.c (print_graph): Open output graph file.
19459 (print_actions): Adjust.
19460 * src/files.h: Remove extern declaration.
19461 * src/files.c: Remove graph_obstack declaration.
19462 (open_files): Remove graph_obstack initialization.
19463 (output_files): Remove graph_obstack saving.
19465 2001-09-24 Marc Autret <autret_m@epita.fr>
19467 * src/files.c (compute_output_file_names): Fix.
19469 2001-09-24 Marc Autret <autret_m@epita.fr>,
19470 Akim Demaille <akim@epita.fr>
19472 * src/reader.c (reader): Remove call to free_symtab ().
19473 * src/main.c (main): Call it here.
19475 * src/conflicts.c (initialize_conflicts): Rename as...
19476 (solve_conflicts): this.
19477 * src/print.c (print_core, print_actions, print_state)
19478 (print_grammar): Dump to a file instead a `output_obstack'.
19479 (print_results): Dump `output_obstack', and then proceed with the
19481 * src/files.c (compute_output_file_names, close_files): New.
19482 (output_files): Adjust.
19483 * src/main.c (main): Adjust.
19485 2001-09-23 Marc Autret <autret_m@epita.fr>
19487 * src/files.c (compute_header_macro): Computes header macro name
19488 from spec_defines_file when given.
19490 2001-09-23 Marc Autret <autret_m@epita.fr>
19492 * src/files.c (output_files): Add default extensions.
19494 2001-09-22 Akim Demaille <akim@epita.fr>
19496 * src/conflicts.c (finalize_conflicts): Rename as...
19497 (free_conflicts): this.
19499 2001-09-22 Akim Demaille <akim@epita.fr>
19501 * src/gram.c (gram_free): Rename back as...
19503 (output_token_translations): Free `token_translations'.
19504 * src/symtab.c (free_symtab): Free the tag field.
19506 2001-09-22 Akim Demaille <akim@epita.fr>
19508 Remove `translations' as it is always set to true.
19510 * src/gram.h: Adjust.
19511 * src/reader.c (packsymbols, parse_token_decl): Adjust
19512 * src/print.c (print_grammar): Adjust.
19513 * src/output.c (output_token_translations): Adjust.
19514 * src/lex.c (lex): Adjust.
19515 * src/gram.c: Be sure the set pointers to NULL.
19516 (dummy): Rename as...
19519 2001-09-22 Akim Demaille <akim@epita.fr>
19521 * configure.in: Invoke AM_LIB_DMALLOC.
19522 * src/system.h: Use dmalloc.
19523 * src/LR0.c: Be sure to have pointers initialized to NULL.
19524 (allocate_itemsets): Allocate kernel_items only if needed.
19526 2001-09-22 Akim Demaille <akim@epita.fr>
19528 * configure.in: Bump to 1.29b.
19529 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
19530 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
19531 need xmalloc.c in calc.y.
19534 2001-09-21 Akim Demaille <akim@epita.fr>
19537 * Makefile.maint, config/config.guess, config/config.sub,
19538 * config/missing: Update from masters.
19539 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
19541 * configure.in (ALL_LINGUAS): Add `tr'.
19543 2001-09-21 Akim Demaille <akim@epita.fr>
19545 * tests/Makefile.am (package.m4): Move to...
19546 ($(srcdir)/$(TESTSUITE)): here.
19548 2001-09-20 Akim Demaille <akim@epita.fr>
19550 * src/complain.c: No longer try to be standalone: use system.h.
19551 Don't assume __STDC__ is defined to 1. Just test if it is defined.
19552 * src/complain.h: Likewise.
19553 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
19554 Remove the unused variable `n'.
19555 From Albert Chin-A-Young.
19557 2001-09-18 Marc Autret <autret_m@epita.fr>
19559 * doc/bison.1: Update.
19560 * doc/bison.texinfo (Bison Options): Update --defines and --graph
19562 (Option Cross Key): Update.
19565 2001-09-18 Marc Autret <autret_m@epita.fr>
19567 * tests/regression.at: New test (comment in %union).
19569 2001-09-18 Marc Autret <autret_m@epita.fr>
19571 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
19573 Reported by Keith Browne.
19575 2001-09-18 Marc Autret <autret_m@epita.fr>
19577 * tests/output.at: Add tests for --defines and --graph.
19579 2001-09-18 Marc Autret <autret_m@epita.fr>
19581 * tests/output.at: Removes tests of %{header,src}_extension features.
19583 2001-09-18 Akim Demaille <akim@epita.fr>
19585 * tests/Makefile.am (package.m4): New.
19586 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
19587 (_AT_CHECK_CALC_ERROR): Likewise.
19588 Factor the `, ' part of verbose error messages.
19590 2001-09-18 Marc Autret <autret_m@epita.fr>
19592 * src/getargs.c (longopts): Declare --defines and --graph as options
19593 with optional arguments.
19594 * src/files.h: Add extern declarations.
19595 * src/files.c (spec_graph_file, spec_defines_file): New.
19596 (output_files): Update.
19597 Remove CPP-outed code.
19599 2001-09-18 Marc Autret <autret_m@epita.fr>
19601 Turn off %{source,header}_extension feature.
19603 * src/files.c (compute_exts_from_gf): Update.
19604 (compute_exts_from_src): Update.
19605 (output_files): CPP-out useless code.
19606 * src/files.h: Remove {header,source}_extension extern declarations.
19607 * src/reader.c (parse_dquoted_param): CPP-out.
19608 (parse_header_extension_decl): Remove.
19609 (parse_source_extension_decl): Remove.
19610 (read_declarations): Remove cases tok_{hdrext,srcext}.
19611 * src/lex.c (percent_table): Remove {header,source}_extension entries.
19612 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
19614 2001-09-10 Akim Demaille <akim@epita.fr>
19616 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
19617 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
19618 (AT_CHECK_OUTPUT): this.
19619 Merely check ls' exit status, its output is useless.
19621 2001-09-10 Akim Demaille <akim@epita.fr>
19623 * tests/calc.at: Use m4_match.
19624 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
19626 2001-09-10 Marc Autret <autret_m@epita.fr>,
19627 Akim Demaille <akim@epita.fr>
19629 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
19631 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
19633 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
19634 * src/lex.h: Adjust prototype.
19635 (token_t): Add `tok_undef'.
19636 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
19637 (parse_percent_token): Now returns token_t.
19638 Add default statement in switch.
19639 (lex): Separate `c' as an input variable, from the token_t result
19641 (unlexed): Is a token_t.
19643 2001-09-10 Akim Demaille <akim@epita.fr>
19645 * configure.in: Bump to 1.29a.
19647 2001-09-07 Akim Demaille <akim@epita.fr>
19651 2001-08-30 Akim Demaille <akim@epita.fr>
19653 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
19654 * m4/atconfig.m4: Remove.
19655 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
19656 * tests/bison: New.
19657 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
19658 m4_if, m4_patsubst, and m4_regexp.
19659 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
19660 `input' file instead of echo.
19662 2001-08-29 Akim Demaille <akim@epita.fr>
19666 2001-08-29 Akim Demaille <akim@epita.fr>
19670 2001-08-29 Paul Eggert <eggert@twinsun.com>
19672 * src/bison.simple (yyparse): Don't take the address of an
19673 item before the start of an array, as that doesn't conform to
19676 2001-08-29 Robert Anisko <anisko_r@epita.fr>
19678 * doc/bison.texinfo (Location Tracking Calc): New node.
19680 2001-08-29 Paul Eggert <eggert@twinsun.com>
19682 * src/output.c (output): Do not define const, as this now
19683 causes more problems than it cures.
19685 2001-08-29 Akim Demaille <akim@epita.fr>
19687 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
19689 Be sure to tag the `detailmenu'.
19691 2001-08-29 Akim Demaille <akim@epita.fr>
19693 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
19694 download in a tmp dir.
19696 2001-08-28 Marc Autret <autret_m@epita.fr>
19698 * config/depcomp: New file.
19700 2001-08-28 Marc Autret <autret_m@epita.fr>
19702 * doc/bison.1 (mandoc): Adjust.
19703 From Juan Manuel Guerrero.
19705 2001-08-28 Marc Autret <autret_m@epita.fr>
19707 * src/print_graph.c (print_state): Fix.
19709 2001-08-27 Marc Autret <autret_m@epita.fr>
19711 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
19713 Echo modifications to the functions prototypes.
19714 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
19716 2001-08-27 Marc Autret <autret_m@epita.fr>
19718 * src/vcg.c: Include `xalloc.h'.
19719 (add_colorentry): New.
19720 (add_classname): New.
19721 (add_infoname): New.
19722 * src/vcg.h: Add new prototypes.
19724 2001-08-27 Akim Demaille <akim@epita.fr>
19726 * Makefile.maint: Sync. again with CVS Autoconf.
19728 2001-08-27 Akim Demaille <akim@epita.fr>
19730 * Makefile.maint: Formatting changes.
19731 (po-update, cvs-update, update): New targets.
19734 2001-08-27 Akim Demaille <akim@epita.fr>
19736 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
19737 * Makefile.maint: Sync. with CVS Autoconf.
19739 2001-08-27 Marc Autret <autret_m@epita.fr>
19741 * src/vcg.h (struct infoname_s): New.
19742 (struct colorentry_s): New.
19743 (graph_s): New fields {vertical,horizontal}_order in structure.
19744 Add `infoname' field.
19745 Add `colorentry' field;
19746 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
19747 (G_HORIZONTAL_ORDER): New.
19749 (G_COLORENTRY): New.
19750 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
19751 Add output of `infoname'.
19752 Add output of `colorentry'.
19754 2001-08-27 Marc Autret <autret_m@epita.fr>
19756 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
19757 This one shadowed a global parameter.
19759 2001-08-24 Marc Autret <autret_m@epita.fr>
19761 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
19762 instead of `unsigned'.
19763 (print_state): Do not call obstack_object_size () in obstack_grow ()
19764 to avoid macro variables shadowing.
19766 2001-08-23 Marc Autret <autret_m@epita.fr>
19768 * src/lex.c (percent_table): Typo: s/naem/name/.
19770 Normalize new options declarations.
19772 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
19774 * tests/suite.at: Exercise %header_extension and %source_extension.
19776 2001-08-16 Marc Autret <autret_m@epita.fr>
19778 * src/reader.c (parse_dquoted_param): New.
19779 (parse_header_extension_decl): Use it.
19780 (parse_source_extension_decl): Likewise.
19782 2001-08-16 Marc Autret <autret_m@epita.fr>
19784 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
19785 (get_xxxx_str): Use assert () instead of complain ().
19786 Remove return invokations in default cases.
19787 (get_decision_str): Modify default behaviour. Remove second argument.
19788 Echo modifications on calls.
19789 (output_graph): Fix.
19791 2001-08-16 Marc Autret <autret_m@epita.fr>
19793 * src/getargs.c (usage): Update with ``-g, --graph''.
19795 2001-08-16 Marc Autret <autret_m@epita.fr>
19797 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
19798 (Option Cross Key): Likewise.
19799 * doc/bison.1: Update.
19801 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
19803 * src/output.c (output_master_parser): Don't finish action_obstack.
19804 (output_parser): Don't care about the muscle action, here.
19805 (prepare): Copy the action_obstack in the action muscle.
19806 (output): Free action_obstack.
19808 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
19810 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
19811 will contain `%union' declaration.
19812 (parse_union_decl): Delete #line directive output.
19813 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
19814 informations about %union.
19815 (parse_union_decl): Copy the union_obstack in the muscle stype.
19816 * src/bison.simple: Add new #line directive.
19817 Add typdef %%stype YYSTYPE.
19819 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
19821 * src/bison.simple: Add new `#line' directive.
19823 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
19825 * src/bison.simple: New `#line' directive.
19826 * src/output.c (output_parser): Support new dynamic muscle input_line.
19828 2001-09-22 Marc Autret <autret_m@epita.fr>
19830 * src/output.c (output_master_parser): New.
19831 (output_parser): Be more re-entrant.
19833 2001-09-21 Marc Autret <autret_m@epita.fr>
19835 * src/reader.c (copy_definition, parse_union_decl): Update and use
19837 (copy_action): Likewise.
19838 Use obstack_1grow ().
19839 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
19841 2001-09-21 Marc Autret <autret_m@epita.fr>
19843 * src/options.c (option_table): Adjust.
19844 * src/lex.c (parse_percent_token): Fix.
19846 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
19848 * src/options.c (symtab.h): Include it, need by lex.h.
19850 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
19852 * src/lex.c (parse_percent_token): Change type of variable `tx', which
19853 is now an option_table_struct*.
19854 (option_strcmp): New function option_strcmp.
19855 (parse_percent_token): Call option_strcmp.
19856 * src/getargs.c (xalloc.h, options.h): Include it.
19857 (getargs): Call create_long_option_table.
19858 (getargs): Free longopts at the end of the function.
19859 (shortopts): Move in options.c.
19860 * src/options.c (create_long_option_table): New function. Convert
19861 information from option_table to option structure.
19862 * src/reader.c (options.h): Include it.
19864 * src/Makefile.am: Adjust.
19865 * src/options.c (option_table): Create from longopts and percent_table.
19866 * src/getargs.c (longopts): Delete.
19867 * src/lex.c (struct percent_table_struct): Delete.
19868 (percent_table): Delete.
19869 (options.h): Include it.
19870 * src/options.c: Create.
19871 * src/options.h: Create.
19872 Declare enum opt_access_e.
19873 Define struct option_table_struct.
19875 2001-09-20 Marc Autret <autret_m@epita.fr>
19877 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
19880 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
19882 * src/bison.simple: s/%%filename/%%skeleton.
19883 * src/muscle_tab.c (getargs.h): Include it.
19884 (muscle_init): Insert new muscle skeleton.
19886 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
19888 * src/output.c (output_parser): Delete unused variable actions_dumped.
19890 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
19892 * src/output.c (output): Delete call to reader_output_yylsp.
19893 * src/reader.c (reader): Likewise.
19894 * src/reader.h: Delete declaration of reader_output_yylsp.
19896 2001-09-02 Marc Autret <autret_m@epita.fr>
19898 * src/reader.c: Include muscle_tab.h.
19899 (parse_union_decl): Update.
19900 (parse_macro_decl): Rename parse_muscle_decl.
19901 Update to use renamed functions and variable.
19902 (read_declarations, copy_action, read_additionnal_code, : Updated
19903 with correct variables and functions names.
19904 (packsymbols, reader): Likewise.
19906 * src/reader.h (muscle_obstack): Extern declaration update.
19908 * src/output.c: Include muscle_tab.h
19909 In all functions using macro_insert, change by using muscle_insert ().
19910 (macro_obstack): Rename muscle_obstack.
19911 Echo modifications in the whole file.
19912 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
19913 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
19914 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
19916 * src/muscle_tab.h: Update double inclusion macros.
19917 (macro_entry_s): Rename muscle_entry_s.
19920 * src/muscle_tab.c: Include muscle_tab.h.
19921 Rename macro_tabble to muscle_table.
19922 (mhash1, mhash2, mcmp): Use muscle_entry.
19923 (macro_init): Rename muscle_init. Update.
19924 (macro_insert): Rename muscle_insert. Update.
19925 (macro_find): Rename muscle_find. Update.
19927 * src/main.c: Include muscle_tab.h.
19928 (main): Call muscle_init ().
19929 * src/Makefile.am (bison_SOURCES): Echo modifications.
19931 2001-09-02 Marc Autret <autret_m@epita.fr>
19933 Now the files macro_tab.[ch] are named muscle_tab.[ch].
19935 * src/muscle_tab.c, src/muscle_tab.h: Add files.
19937 2001-09-02 Marc Autret <autret_m@epita.fr>
19939 * src/macrotab.c, src/macrotab.h: Remove.
19941 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
19943 * src/reader.c (copy_guard): Use muscle to specify the `#line'
19946 2001-09-01 Marc Autret <autret_m@epita.fr>
19948 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
19949 to an explicit value to activate the feature. We do it here.
19951 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
19953 * src/output.c (prepare): Delete the `filename' muscule insertion.
19954 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
19955 (parse_union_decl): Likewise.
19956 * src/macrotab.c (macro_init): Initialize filename by infile.
19958 2001-08-31 Marc Autret <autret_m@epita.fr>
19960 * src/bison.simple (YYLSP_NEEDED): New definition.
19961 * src/output.c (prepare): Add macro insertion of `locations_flag'
19963 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
19965 * src/output.c (prepare): Delete insertion of previous muscles,
19966 and insert the `prefix' muscles.
19967 * src/macrotab.c (macro_init): Likewise.
19968 (macro_init): Initialization prefix directive by `yy'.
19969 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
19970 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
19971 yylval, yydebug, yyerror, yynerrs and yyparse.
19972 New directive `#define' to substitute yydebug, ... with option
19975 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
19977 * src/main.c (main): Standardize.
19978 * src/output.c (output_table_data, output_parser): Likewise.
19979 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
19981 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
19983 * src/reader.c (read_additionnal_code): Rename %%user_code to
19985 * src/output.c (output): Rename %%declarations to %%prologue.
19986 * src/bison.simple: Echo modifications.
19988 2001-08-31 Marc Autret <autret_m@epita.fr>
19990 * src/reader.c (readgram): CleanUp.
19991 (output_token_defines): Likewise.
19992 (packsymbols): Likewise.
19993 (reader): Likewise.
19994 * src/output.c (output): CPP-out useless code.
19996 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
19998 * src/reader.c (reader): Delete obsolete call to function
19999 output_trailers and output_headers.
20000 * src/output.h: Remove obsolete functions prototypes of output_headers
20001 and output_trailers.
20003 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
20005 * src/main.c: Include macrotab.h.
20006 * src/macrotab.h (macro_entry_s): Constify fields.
20007 Adjust functions prototypes.
20008 * src/macrotab.c (macro_insert): Constify key and value.
20009 (macro_find): Constify key.
20010 (macro_insert): Include 'xalloc.h'
20011 (macro_insert): Use XMALLOC.
20012 (macro_find): Constify return value.
20013 * src/output.c (output_table_data): Rename table to table_data.
20014 (output_parser): Constify macro_key, macro_value.
20016 2001-08-30 Marc Autret <autret_m@epita.fr>
20018 * src/reader.c (parse_skel_decl): New.
20019 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
20020 * src/lex.h (token_t): New token `tok_skel'.
20021 * src/lex.c (percent_table): Add skeleton option entry.
20024 2001-08-29 Marc Autret <autret_m@epita.fr>
20026 * src/bison.simple: Add %%user_code directive at the end.
20027 * src/reader.c (read_additionnal_code): New.
20029 * src/output.c (output_program): Remove.
20032 2001-08-28 Marc Autret <autret_m@epita.fr>
20034 * src/output.c (output_actions): Clean up.
20035 (output_gram): CPP-out useless code.
20036 * src/reader.c (reader): Clean up, CPP-out useless code.
20038 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
20040 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
20042 * src/bison.simple: Add `%%definitions'.
20044 2001-08-28 Marc Autret <autret_m@epita.fr>
20046 * config/depcomp: New file.
20048 2001-08-27 Paul Eggert <eggert@twinsun.com>
20050 * src/bison.simple (yyparse): Don't take the address of an
20051 item before the start of an array, as that doesn't conform to
20054 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20056 * src/output.c (output): Remove the initialization of the macro
20057 obstack. It was done too late here.
20059 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
20061 (reader): Initialize the macro obstack here, since we need it to grow
20062 '%define' directives.
20064 * src/reader.h: Declare the macro obstack as extern.
20066 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20068 * src/output.c (output_parser): Fix. Store single '%' characters in
20069 the output obstack instead of throwing them away.
20071 2001-08-27 Akim Demaille <akim@epita.fr>
20073 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20075 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20077 * lib/Makefile.am: Adjust.
20079 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20081 * src/bison.simple: Update and add '%%' directives.
20083 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20085 * src/reader.c (reader): Remove calls to 'output_headers' and
20086 'output_trailers'. Remove some C output.
20087 (readgram): Disable a piece of code that was writing a default
20088 definition for 'YYSTYPE'.
20089 (reader_output_yylsp): Remove.
20090 (packsymbols): Output token defintions to a macro.
20091 (copy_definition): Disable C output.
20093 * src/reader.c (parse_macro_decl): New function used to parse macro
20095 (copy_string2): Put the body of copy_string into this new function.
20096 Add a parameter to let the caller choose whether he wants to copy the
20097 string delimiters or not.
20098 (copy_string): Be a simple call to copy_string2 with the last argument
20100 (read_declarations): Add case for macro definition.
20101 (copy_identifier): New.
20102 (parse_macro_decl): Read macro identifiers using copy_identifier
20105 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20107 * src/output.c (prepare): Add prefixed names.
20108 (output_parser): Output semantic actions.
20109 (output_parser): Fix bug on '%%line' directives.
20111 * src/output.c (output_headers): Remove. The C code printed by this
20112 function should now be in the skeletons.
20113 (output_trailers): Remove.
20114 (output): Disable call to 'reader_output_yylsp'.
20115 (output_rule_data): Do not output tables to the table obstack.
20117 * src/output.c: Remove some C dedicated output.
20118 Improve the use of macro and output obstacks.
20119 (output_defines): Remove.
20121 * src/output.c (output_token_translations): Associate 'translate'
20122 table with a macro. No output to the table obstack.
20123 (output_gram): Same for 'rhs' and 'prhs'.
20124 (output_stos): Same for 'stos'.
20125 (output_rule_data): Same for 'r1' and 'r2'.
20126 (token_actions): Same for 'defact'.
20127 (goto_actions): Same for 'defgoto'.
20128 (output_base): Same for 'pact' and 'pgoto'.
20129 (output_table): Same for 'table'.
20130 (output_check): Same for 'check'.
20132 * src/output.c (output_table_data): New function.
20133 (output_short_table): Remove.
20134 (output_short_or_char_table): Remove.
20136 * src/output.c (output_parser): Replace most of the skeleton copy code
20137 with something new. Skeletons are now processed character by character
20138 rather than line by line, and Bison looks for '%%' macros. This is the
20139 first step in making Bison's output process (a lot) more flexible.
20140 (output_parser): Use the macro table.
20142 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20144 * src/main.c (main): Initialize the macro table.
20146 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20148 * src/lex.c (percent_table): Add tok_define.
20149 * src/lex.h: Add tok_define.
20151 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20153 * src/macrotab.c: New file.
20154 * src/macrotab.h: New file.
20155 * src/Makefile.am: Update.
20157 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20159 * lib/hash.c: New file.
20160 * lib/hash.h: New file.
20161 * lib/Makefile.am: Update.
20163 2001-08-15 Akim Demaille <akim@epita.fr>
20167 2001-08-15 Marc Autret <autret_m@epita.fr>
20169 * src/reader.c (readgram): Indent output macro YYSTYPE.
20170 (packsymbols): Likewise.
20171 (output_token_defines): Likewise.
20172 * src/files.c: Standardize.
20173 (compute_header_macro): New.
20174 (defines_obstack_save): New. Use compute_header_macro.
20175 (output_files): Update. Use defines_obstack_save.
20177 2001-08-15 Akim Demaille <akim@epita.fr>
20179 * doc/bison.texinfo (Table of Symbols): Document
20180 YYSTACK_USE_ALLOCA.
20182 2001-08-15 Akim Demaille <akim@epita.fr>
20184 * missing: Update from CVS Automake.
20185 * config/config.guess, config/config.sub, config/texinfo.tex:
20186 Update from gnu.org.
20188 2001-08-15 Akim Demaille <akim@epita.fr>
20190 * Makefile.maint: Sync with CVS Autoconf.
20192 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
20194 * doc/bison.texinfo: Include GNU Free Documentation License from
20196 * doc/fdl.texi: Add to package.
20198 2001-08-14 Marc Autret <autret_m@epita.fr>
20200 Turn on %{source,header}_extension features.
20202 * src/lex.c (percent_table): Un-CPP out header_extension and
20204 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
20205 (compute_exts_from_src): Remove conditions. It restores priorities
20208 2001-08-14 Marc Autret <autret_m@epita.fr>
20210 * src/files.c (compute_base_names): Add extensions computing when
20211 `--file-prefix' used.
20212 Standardize function calls.
20214 2001-08-13 Marc Autret <autret_m@epita.fr>
20216 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
20217 defining it (defined but null disables alloca).
20219 2001-08-13 Marc Autret <autret_m@epita.fr>
20221 * src/bison.simple (_yy_memcpy): CPP reformat.
20223 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
20225 * tests/atconfig.in (CPPFLAGS): Fix.
20227 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
20229 * doc/bison.texinfo: Include GNU General Public License from
20231 * doc/gpl.texi: Add to package.
20233 2001-08-10 Marc Autret <autret_m@epita.fr>
20235 * src/print_graph.h: Fix.
20236 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
20238 2001-08-10 Akim Demaille <akim@epita.fr>
20240 * src/system.h: Provide default declarations for stpcpy, strndup,
20243 2001-08-10 Robert Anisko <anisko_r@epita.fr>
20245 * doc/bison.texinfo (Locations): Update @$ stuff.
20247 2001-08-09 Robert Anisko <anisko_r@epita.fr>
20249 * src/bison.simple (YYLLOC_DEFAULT): Update.
20252 2001-08-08 Marc Autret <autret_m@epita.fr>
20254 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
20255 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
20256 Reported by Fabrice Bauzac.
20258 2001-08-08 Marc Autret <autret_m@epita.fr>
20260 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
20261 * src/vcg.c (output_node): Fix.
20262 * src/vcg.h: Cleanup.
20263 * src/print_graph.c: Add comments.
20264 (node_output_size): New global variable. Simplify the formatting of
20265 the VCG graph output.
20266 (print_actions): Unused code is now used. It notifies the final state
20267 and no action states in the VCG graph. It also give the reduce actions.
20268 The `shift and goto' edges are red and the `go to state' edges are
20270 Get the current node name and node_obstack by argument.
20271 (node_obstack): New variable.
20272 (print_state): Manage node_obstack.
20273 (print_core): Use node_obstack given by argument.
20274 A node is not only computed here but in print_actions also.
20275 (print_graph): CPP out useless code instead of commenting it.
20277 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
20279 * tests/atconfig.in (CPPFLAGS): Fix.
20281 2001-08-07 Akim Demaille <akim@epita.fr>
20283 * src/print_graph.c (quote): New.
20284 (print_core): Use it.
20286 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
20288 * src/vcg.c (complain.h): Include it.
20289 Unepitaize `return' invocations.
20290 [NDEBUG] (main): Remove.
20291 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
20292 * src/files.c (open_files): Initialize graph_obstack.
20293 * src/print_graph.c (print_actions): CPP out useless code.
20294 (print_core): Don't output the last `\n' in labels.
20296 * src/files.c (output_files): Output the VCG file.
20297 * src/main.c (main): Invoke print_graph ();
20299 2001-08-06 Marc Autret <autret_m@epita.fr>
20301 Automaton VCG graph output.
20302 Using option ``-g'' or long option ``--graph'', you can generate
20303 a gram_filename.vcg file containing a VCG description of the LALR (1)
20304 automaton of your grammar.
20306 * src/main.c: Call to print_graph() function.
20307 * src/getargs.h: Update.
20308 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
20309 (graph_flag): New flag.
20310 (longopts): Update.
20311 (getargs): Add case `g'.
20312 * src/files.c (graph_obstack): New obstack struct.
20313 (open_files): Initialize new obstack.
20314 (output_files): Saves graph_obstack if required.
20315 * src/files.h (graph_obstack): New extern declaration.
20316 * src/Makefile.am: Add new source files.
20318 2001-08-06 Marc Autret <autret_m@epita.fr>
20320 * src/print_graph.c, src/print_graph.h (graph): New.
20321 * src/vcg.h: New file.
20322 * src/vcg.c: New file, VCG graph handling.
20324 2001-08-06 Marc Autret <autret_m@epita.fr>
20326 Add of %source_extension and %header_extension which specify
20327 the source or/and the header output file extension.
20329 * src/files.c (compute_base_names): Remove initialisation of
20330 src_extension and header_extension.
20331 (compute_exts_from_gf): Update.
20332 (compute_exts_from_src): Update.
20333 (output_files): Update.
20334 * src/reader.c (parse_header_extension_decl): New.
20335 (parse_source_extension_decl): New.
20336 (read_declarations): New case statements for the new tokens.
20337 * src/lex.c (percent_table): Add entries for %source_extension
20338 and %header_extension.
20339 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
20341 2001-08-06 Marc Autret <autret_m@epita.fr>
20343 * configure.in: Bump to 1.28c.
20344 * doc/bison.texinfo: Texinfo thingies.
20346 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
20348 * tests/atconfig.in (CPPFLAGS): Add.
20349 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
20351 2001-08-03 Akim Demaille <akim@epita.fr>
20355 2001-08-03 Akim Demaille <akim@epita.fr>
20357 * tests/Makefile.am (check-local): Ship testsuite.
20358 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
20359 Include `string.h'.
20361 2001-08-03 Akim Demaille <akim@epita.fr>
20363 * configure.in: Try using -Wformat when compiling.
20365 2001-08-03 Akim Demaille <akim@epita.fr>
20367 * configure.in: Bump to 1.28b.
20369 2001-08-03 Akim Demaille <akim@epita.fr>
20371 * src/complain.c: Adjust strerror_r portability issues.
20373 2001-08-03 Akim Demaille <akim@epita.fr>
20377 2001-08-03 Akim Demaille <akim@epita.fr>
20379 * src/getargs.c, src/getarg.h (skeleton)): Constify.
20380 * src/lex.c (literalchar): Avoid name clashes on `buf'.
20381 * src/getargs.c: Include complain.h.
20382 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
20383 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
20385 2001-08-03 Akim Demaille <akim@epita.fr>
20387 * src/reader.c (readgram): Display hidden chars in error messages.
20389 2001-08-03 Akim Demaille <akim@epita.fr>
20391 Update to gettext 0.10.39.
20393 2001-08-03 Akim Demaille <akim@epita.fr>
20395 * lib/strspn.c: New.
20397 2001-08-01 Marc Autret <autret_m@epita.fr>
20399 * doc/bison.texinfo: Update.
20400 * doc/bison.1 (mandoc): Update.
20401 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
20402 * src/files.c: Support output files extensions computing.
20403 (src_extension): New static variable.
20404 (header_extension): New static variable.
20405 (tr): New function.
20406 (get_extension_index): New function, gets the index of an extension
20407 filename in a string.
20408 (compute_exts_from_gf): New function, computes extensions from the
20409 grammar file extension.
20410 (compute_exts_from_src): New functions, computes extensions from the
20411 C source file extension, file given by ``-o'' option.
20412 (compute_base_names): Update.
20413 (output_files): Update.
20415 2001-08-01 Robert Anisko <anisko_r@epita.fr>
20417 * doc/bison.texi: Document @$.
20418 (Locations): New section.
20420 2001-07-18 Akim Demaille <akim@epita.fr>
20422 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
20423 * config/prev-version.txt, config/move-if-change: New.
20424 * Makefile.am: Adjust.
20426 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
20428 * src/bison.simple (yyparse): Suppress warning `comparaison
20429 between signed and unsigned'.
20431 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
20433 * src/getargs.h (raw_flag): Remove.
20434 * src/getargs.c: Die on `-r'/`--raw'.
20435 * src/lex.c (parse_percent_token): Die on `%raw'.
20436 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
20437 * tests/calc.at: Suppress test with option `--raw'.
20439 2001-07-14 Akim Demaille <akim@epita.fr>
20442 * configure.in: Require Autoconf 2.50.
20443 Update to gettext 0.10.38.
20445 2001-03-16 Akim Demaille <akim@epita.fr>
20447 * doc/bison.texinfo: ANSIfy the examples.
20449 2001-03-16 Akim Demaille <akim@epita.fr>
20451 * getargs.c (skeleton): New variable.
20452 (longopts): --skeleton is a new option.
20453 (shortopts, getargs): -S is a new option.
20454 * getargs.h: Declare skeleton.
20455 * output.c (output_parser): Use it.
20457 2001-03-16 Akim Demaille <akim@epita.fr>
20459 * m4/strerror_r.m4: New.
20460 * m4/error.m4: Run AC_FUNC_STRERROR_R.
20461 * lib/error.h, lib/error.c: Update.
20463 2001-03-16 Akim Demaille <akim@epita.fr>
20465 * src/getargs.c (longopts): Clean up.
20467 2001-02-21 Akim Demaille <akim@epita.fr>
20469 * src/reader.c (gensym): `gensym_count' is your own.
20470 Use a static buf to create the symbol name, as token_buffer is no
20473 2001-02-08 Akim Demaille <akim@epita.fr>
20475 * src/conflicts.c (conflict_report): Be sure not to append to res
20476 between two calls, which could happen if both first sprintf were
20477 skipped, but not the first cp += strlen.
20479 2001-02-08 Akim Demaille <akim@epita.fr>
20481 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
20482 New, from fileutils 4.0.37.
20483 * configure.in: Require Autoconf 2.49c. I took some time before
20484 making this decision. This is the only way out for portability
20485 issues in Bison, it would mean way too much duplicate effort to
20486 import in Bison features implemented in 2.49c since 2.13.
20487 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
20489 2001-02-02 Akim Demaille <akim@epita.fr>
20491 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
20492 * lib/xalloc.h, lib/xmalloc.c: Update.
20494 2001-01-19 Akim Demaille <akim@epita.fr>
20496 Get rid of the ad hoc handling of token_buffer in the scanner: use
20499 * src/lex.c (token_obstack): New.
20500 (init_lex): Initialize it. No longer call...
20501 (grow_token_buffer): this. Remove it.
20502 Adjust all the places which used it to use the obstack.
20504 2001-01-19 Akim Demaille <akim@epita.fr>
20506 * src/lex.h: Rename all the tokens:
20507 s/\bENDFILE\b/tok_eof/g;
20508 s/\bIDENTIFIER\b/tok_identifier/g;
20510 Let them be enums, not #define, to ease debugging.
20511 Adjust all the code.
20513 2001-01-18 Akim Demaille <akim@epita.fr>
20515 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
20516 * src/lex.c (maxtoken, grow_token_buffer): Static.
20518 2001-01-18 Akim Demaille <akim@epita.fr>
20520 Since we now use obstacks, more % directives can be enabled.
20522 * src/lex.c (percent_table): Also accept `%yacc',
20523 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
20525 Handle the actions for `%semantic_parser' and `%pure_parser' here,
20526 instead of returning a token.
20527 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
20528 * src/reader.c (read_declarations): Adjust.
20529 * src/files.c (open_files): Don't call `compute_base_names', don't
20530 compute `attrsfile' since they depend upon data which might be
20531 *in* the input file now.
20532 (output_files): Do it here.
20533 * src/output.c (output_headers): Document the fact that this patch
20534 introduces a guaranteed SEGV for semantic parsers.
20535 * doc/bison.texinfo: Document them.
20536 * tests/suite.at: Exercise these %options.
20538 2000-12-20 Akim Demaille <akim@epita.fr>
20540 Also handle the output file (--verbose) with obstacks.
20542 * files.c (foutput): Remove.
20543 (output_obstack): New.
20544 Adjust all dependencies.
20545 * src/conflicts.c: Return a string.
20546 * src/system.h (obstack_grow_string): Rename as...
20547 (obstack_sgrow): this. Be ready to work with non literals.
20548 (obstack_fgrow4): New.
20550 2000-12-20 Akim Demaille <akim@epita.fr>
20552 * src/files.c (open_files): Fix the computation of short_base_name
20553 in the case of `-o foo.tab.c'.
20555 2000-12-20 Akim Demaille <akim@epita.fr>
20557 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
20558 (copy_dollar): Now that everything uses obstacks, get rid of the
20561 2000-12-20 Akim Demaille <akim@epita.fr>
20563 * src/files.c (open_files): Actually the `.output' file is based
20564 on the short_base_name, not base_name.
20565 * tests/suite.at (Checking output file names): Adjust.
20567 2000-12-20 Akim Demaille <akim@epita.fr>
20569 * src/bison.s1: Remove, we now use directly...
20570 * src/bison.simple: this.
20571 * src/Makefile.am: Use pkgdata instead of data.
20573 2000-12-20 Akim Demaille <akim@epita.fr>
20575 * src/files.c (guard_obstack): New.
20576 (open_files): Initialize it.
20577 (output_files): Dump it...
20578 * src/files.h: Export it.
20579 * src/reader.c (copy_guard): Use it.
20581 2000-12-19 Akim Demaille <akim@epita.fr>
20583 * src/files.c (outfile, defsfile, actfile): Removed as global
20585 (open_files): Don't compute them.
20586 (output_files): Adjust.
20587 (base_name, short_base_name): Be global.
20588 Adjust dependencies.
20590 2000-12-19 Akim Demaille <akim@epita.fr>
20592 * src/files.c (strsuffix): New.
20593 (stringappend): Be just like strcat but allocate.
20594 (base_names): Eve out from open_files.
20595 Try to simplify the rather hairy computation of base_name and
20597 (open_files): Use it.
20598 * tests/suite.at (Checking output file names): New test.
20600 2000-12-19 Akim Demaille <akim@epita.fr>
20602 * src/system.h (obstack_grow_literal_string): Rename as...
20603 (obstack_grow_string): this.
20604 * src/output.c (output_parser): Recognize `%% actions' instead of
20606 * src/bison.s1: s/$/%% actions/.
20607 * src/bison.hairy: Likewise.
20609 2000-12-19 Akim Demaille <akim@epita.fr>
20611 * src/output.c (output_parser): Compute the `#line' lines when
20613 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
20614 Suggested by Hans Aberg.
20616 2000-12-19 Akim Demaille <akim@epita.fr>
20618 Let the handling of the skeleton files be local to the procedures
20621 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
20623 (fparser, open_extra_files): Remove.
20624 (open_files, output_files): Don't take care of fparser.
20625 * src/files.h: Adjust.
20626 * src/output.c (output_parser): Open and close the file to the
20628 * src/reader.c (read_declarations): When %semantic_parser, open
20631 2000-12-19 Akim Demaille <akim@epita.fr>
20633 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
20634 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
20636 2000-12-19 Akim Demaille <akim@epita.fr>
20638 * src/files.c (open_files): Yipee! We no longer need all the code
20639 looking for `/tmp' since we have no tmp file.
20641 2000-12-19 Akim Demaille <akim@epita.fr>
20643 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
20645 * src/files.c (open_files): Less dependency on MSDOS etc.
20647 2000-12-14 Akim Demaille <akim@epita.fr>
20649 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
20650 Provide a default definition.
20651 Use it when executing the default @ action.
20652 * src/reader.c (reader_output_yylsp): No longer include
20653 `timestamp' and `text' in the default YYLTYPE.
20655 2000-12-12 Akim Demaille <akim@epita.fr>
20657 * src/reader.c (copy_definition, parse_union_decl, copy_action)
20658 (copy_guard): Quote the file names.
20659 Reported by Laurent Mascherpa.
20661 2000-12-12 Akim Demaille <akim@epita.fr>
20663 * src/output.c (output_headers, output_program, output): Be sure
20664 to escape special characters when outputting filenames.
20665 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
20666 (output_headers): Don't depend on them, Use ACTSTR.
20668 2000-11-17 Akim Demaille <akim@epita.fr>
20670 * lib/obstack.h: Formatting changes.
20671 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
20672 prevents type checking.
20673 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
20674 cast the value to (void *): assigning a `foo *' to a `void *'
20676 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
20677 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
20680 2000-11-17 Akim Demaille <akim@epita.fr>
20682 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
20684 (suite.m4, regression.m4, calc.m4): these.
20685 * tests/atgeneral.m4: Update from CVS Autoconf.
20687 2000-11-17 Akim Demaille <akim@epita.fr>
20689 * tests/regression.m4 (%union and --defines): New test,
20690 demonstrating a current bug in the obstack implementation.
20692 2000-11-17 Akim Demaille <akim@epita.fr>
20694 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
20696 Use them to declare the variables which are global or local to
20699 2000-11-17 Akim Demaille <akim@epita.fr>
20701 * acconfig.h: Remove, no longer used.
20703 2000-11-07 Akim Demaille <akim@epita.fr>
20705 * src: s/Copyright (C)/Copyright/g.
20707 2000-11-07 Akim Demaille <akim@epita.fr>
20709 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
20711 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
20713 2000-11-07 Akim Demaille <akim@epita.fr>
20715 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
20716 Merge in a single CPP if/else.
20718 2000-11-07 Akim Demaille <akim@epita.fr>
20720 * src/output.c (output): Remove useless variables.
20721 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
20722 argument `data' for consistency with the prototypes.
20723 Qualify it `const'.
20724 (obstack_copy, obstack_copy0): Rename the second argument as
20725 `address' for consistency. Qualify it `const'.
20726 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
20727 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
20728 `const' their input argument (`data' or `address').
20729 Adjust the corresponding macros to include `const' in casts.
20731 2000-11-03 Akim Demaille <akim@epita.fr>
20733 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
20734 s/PFILE1/BISON_HAIRY/.
20735 Adjust dependencies.
20737 2000-11-03 Akim Demaille <akim@epita.fr>
20739 For some reason, this was not applied.
20741 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
20742 `unlink': it's no longer used.
20744 2000-11-03 Akim Demaille <akim@epita.fr>
20746 * src/files.c (skeleton_find): New function, eved out of...
20747 (open_files, open_extra_files): here.
20749 2000-11-03 Akim Demaille <akim@epita.fr>
20751 Don't use `atexit'.
20753 * src/files.c (obstack_save): New function.
20754 (done): Rename as...
20755 (output_files): this.
20756 Use `obstack_save'.
20757 * src/main.c (main): Don't use `atexit' to register `done', since
20758 it no longer has to remove tmp files, just call `output_files'
20759 when there are no errors.
20761 2000-11-02 Akim Demaille <akim@epita.fr>
20763 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
20764 `unlink': it's no longer used.
20765 * src/files.h: Formatting changes.
20767 2000-11-02 Akim Demaille <akim@epita.fr>
20769 Remove the last uses of mktemp and unlink/delete.
20771 * src/files.c (fdefines, ftable): Removed.
20772 (defines_ostack, table_obstack): New.
20773 Adjust dependencies of the former into uses of the latter.
20774 * src/output.c (output_short_or_char_table, output_short_table):
20775 Convert to using obstacks.
20776 * src/reader.c (copy_comment2): Accept one FILE * and two
20778 (output_token_defines, reader_output_yylsp): Use obstacks.
20779 * src/system.h (obstack_fgrow3): New.
20780 * po/POTFILES.in: Adjust.
20782 2000-11-01 Akim Demaille <akim@epita.fr>
20784 Change each use of `fattrs' into a use of `attrs_obstack'.
20786 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
20787 * src/files.c (fattrs): Remove.
20788 (attrs_obstack): New.
20789 Adjust all dependencies.
20790 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
20792 2000-11-01 Akim Demaille <akim@epita.fr>
20794 Introduce obstacks.
20795 Change each use of `faction' into a use of `action_obstack'.
20797 * lib/obstack.h, lib/obstack.c: New files.
20798 * src/files.c (faction): Remove.
20799 (action_obstack): New.
20800 Adjust all dependencies.
20802 2000-10-20 Akim Demaille <akim@epita.fr>
20804 * lib/quote.h (PARAMS): New macro. Use it.
20806 2000-10-16 Akim Demaille <akim@epita.fr>
20808 * src/output.c (output_short_or_char_table): New function.
20809 (output_short_table, output_token_translations): Use it.
20810 (goto_actions): Use output_short_table.
20812 2000-10-16 Akim Demaille <akim@epita.fr>
20814 * src/symtab.c (bucket_new): New function.
20817 * src/output.c (output_short_table): New argument to display the
20818 comment associated with the table.
20819 Adjust dependencies.
20820 (output_gram): Use it.
20821 (output_rule_data): Nicer output layout for YYTNAME.
20823 2000-10-16 Akim Demaille <akim@epita.fr>
20825 * src/lex.c (read_typename): New function.
20827 * src/reader.c (copy_dollar): Likewise.
20829 2000-10-16 Akim Demaille <akim@epita.fr>
20831 * src/reader.c (copy_comment2): Expect the input stream to be on
20832 the `/' which is suspected to open a comment, instead of being
20833 called after `//' or `/*' was read.
20834 (copy_comment, copy_definition, parse_union_decl, copy_action)
20835 (copy_guard): Adjust.
20837 2000-10-16 Akim Demaille <akim@epita.fr>
20839 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
20840 `read_signed_integer'.
20842 2000-10-16 Akim Demaille <akim@epita.fr>
20844 * src/reader.c (copy_dollar): New function.
20845 (copy_guard, copy_action): Use it.
20847 2000-10-16 Akim Demaille <akim@epita.fr>
20849 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
20850 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
20851 New files, from Fileutils 4.0.27.
20852 * src/main.c (printable_version): Remove.
20853 * src/lex.c, src/reader.c: Use `quote'.
20855 2000-10-04 Akim Demaille <akim@epita.fr>
20857 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
20859 2000-10-04 Akim Demaille <akim@epita.fr>
20861 * doc/bison.texinfo: Various typos spotted by Neil Booth.
20863 2000-10-04 Akim Demaille <akim@epita.fr>
20865 When a literal string is used to define two different tokens,
20866 `bison -v' segfaults.
20867 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
20869 * tests/regression.m4: New file.
20870 Include the core of the sample provided by Piotr Gackiewicz.
20871 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
20874 2000-10-04 Akim Demaille <akim@epita.fr>
20876 * src/reader.c (parse_expect_decl): Keep `count' within the size
20880 2000-10-02 Paul Eggert <eggert@twinsun.com>
20882 * bison.s1 (yyparse): Assign the default value
20883 unconditionally, to avoid a GCC warning and make the parser a
20886 2000-10-02 Akim Demaille <akim@epita.fr>
20888 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
20891 2000-10-02 Akim Demaille <akim@epita.fr>
20893 * src/derives.c, src/print.c, src/reduce.c: To ease the
20894 translation, move some `\n' out of the translated strings.
20896 2000-10-02 Akim Demaille <akim@epita.fr>
20898 The location tracking mechanism is precious for parse error
20899 messages. Nevertheless, it is enabled only when `@n' is used in
20900 the grammar, which is a different issue (you can use it in error
20901 message, but not in the grammar per se). Therefore, there should
20902 be another means to enable it.
20904 * src/getargs.c (getargs): Support `--locations'.
20905 (usage): Report it.
20906 * src/getargs.h (locationsflag): Export it.
20907 * src/lex.c (percent_table): Support `%locations'.
20908 * src/reader.c (yylsp_needed): Remove this variable, now replaced
20909 with `locationsflag'.
20910 * doc/bison.texinfo: Document `--locations' and `%locations'.
20912 * tests/calc.m4: Test it.
20914 For regularity of the names, replace each
20915 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
20916 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
20917 In addition replace each `flag' with `_flag'.
20919 2000-10-02 Akim Demaille <akim@epita.fr>
20921 Also test parse error messages, including with YYERROR_VERBOSE.
20923 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
20925 Use it to check the computations.
20926 Use it to check `nonassoc' is honored.
20927 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
20928 `--yyerror-verbose'.
20929 (_AT_CHECK_CALC): Adjust to this option.
20930 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
20932 2000-10-02 Akim Demaille <akim@epita.fr>
20934 Test also `--verbose', `--defines' and `--name-prefix'. Testing
20935 the latter demonstrates a flaw in the handling of non debugging
20936 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
20937 was used in order to simplify:
20953 unfortunately this leads to a CPP conflict when
20954 `--name-prefix=foo' is used since it produces `#define yydebug
20957 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
20958 (YYDPRINTF): New macro.
20960 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
20962 Also test `--verbose', `--defines' and `--name-prefix'.
20964 2000-10-02 Akim Demaille <akim@epita.fr>
20966 Improve the readability of the produced parsers.
20968 * src/bison.s1: Formatting changes.
20969 Improve the comment related to the `$' mark.
20970 (yydefault): Don't fall through to `yyresume': `goto' there.
20971 * src/output.c (output_parser): When the `$' is met, skip the end
20973 New variable, `number_of_dollar_signs', to check there's exactly
20974 one `$' in the parser skeleton.
20976 2000-10-02 Akim Demaille <akim@epita.fr>
20978 * lib/xstrdup.c: New file, from the fileutils.
20979 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
20980 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
20981 instead of strlen + xmalloc + strcpy.
20982 * src/symtab.c (copys): Remove, use xstrdup instead.
20984 2000-10-02 Akim Demaille <akim@epita.fr>
20986 * src/gram.h (associativity): New enum type which replaces the
20987 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
20988 `right_assoc', `left_assoc' and `non_assoc'.
20989 Adjust all dependencies.
20990 * src/reader.c: Formatting changes.
20991 (LTYPESTR): Don't define it, use it as a literal in
20992 `reader_output_yylsp'.
20993 * src/symtab.h (symbol_class): New enum type which replaces the
20994 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
20995 `sunknown', `stoken and `snterm'.
20997 2000-10-02 Akim Demaille <akim@epita.fr>
20999 * src/getargs.c (fixed_outfiles): Rename as...
21000 (yaccflag): for consistency and accuracy.
21001 Adjust dependencies.
21003 2000-10-02 Akim Demaille <akim@epita.fr>
21005 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
21006 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
21007 difficult and introduced a lot of core dump. It turns out that
21008 Bison used an implementation of `xmalloc' based on `calloc', and
21009 at various places it does depend upon the initialization to 0. I
21010 have not tried to isolate the pertinent places, and all the former
21011 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
21012 someone should address this issue.
21014 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
21015 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
21017 Adjust dependencies.
21018 * src/warshall.h: New file.
21021 2000-10-02 Akim Demaille <akim@epita.fr>
21023 Various anti-`extern in *.c' changes.
21025 * src/system.h: Include `assert.h'.
21027 2000-10-02 Akim Demaille <akim@epita.fr>
21029 * src/state.h (nstates, final_state, first_state, first_shift)
21030 (first_reduction): Move their exportation from here...
21031 * src/LR0.h: to here.
21032 Adjust dependencies.
21033 * src/getargs.c (statisticsflag): New variable.
21034 Add support for `--statistics'.
21035 Adjust dependencies.
21037 Remove a lot of now useless `extern' statements in most files.
21039 2000-10-02 Akim Demaille <akim@epita.fr>
21041 * src/LR0.h: New file.
21044 2000-10-02 Akim Demaille <akim@epita.fr>
21046 * src/print.h: New file.
21048 * src/print.c: Formatting and ordering changes.
21049 (verbose, terse): Replace with...
21050 (print_results): this new function.
21051 Adjust dependencies.
21053 2000-10-02 Akim Demaille <akim@epita.fr>
21055 * src/conflicts.c (conflict_report): New function.
21056 (conflict_log, verbose_conflict_log): Replace with...
21057 (print_conflicts): this function.
21058 Adjust dependencies.
21059 * src/conflicts.h: New file.
21060 Propagate its inclusion.
21062 2000-10-02 Akim Demaille <akim@epita.fr>
21064 * src/nullable.h: New file.
21065 Propagate its inclusion.
21066 * src/nullable.c: Formatting changes.
21068 2000-10-02 Akim Demaille <akim@epita.fr>
21070 * src/reduce.h: New file.
21071 Propagate its inclusion.
21072 * src/reduce.c: Topological sort and other formatting changes.
21073 (bool, TRUE, FALSE): Move their definition to...
21074 * src/system.h: here.
21076 2000-10-02 Akim Demaille <akim@epita.fr>
21078 * src/files.c: Formatting changes.
21079 (tryopen, tryclose, openfiles): Rename as...
21080 (xfopen, xfclose, open_files): this.
21081 (stringappend): static.
21082 * src/files.h: Complete the list of exported symbols.
21085 2000-10-02 Akim Demaille <akim@epita.fr>
21087 * src/reader.h: New file.
21088 Propagate its use instead of tedious list of `extern' and
21090 * src/reader.c: Formatting changes, topological sort,
21093 2000-10-02 Akim Demaille <akim@epita.fr>
21095 * src/lex.h: Prototype `lex.c' exported functions.
21096 * src/reader.c: Adjust.
21097 * src/lex.c: Formatting changes.
21098 (safegetc): Rename as...
21101 2000-10-02 Akim Demaille <akim@epita.fr>
21103 * src/lalr.h: New file.
21104 Propagate its inclusion instead of prototypes and `extern'.
21105 * src/lalr.c: Formatting changes, topological sorting etc.
21107 2000-10-02 Akim Demaille <akim@epita.fr>
21109 * src/output.c (token_actions): Introduce a temporary array,
21110 YYDEFACT, that makes it possible for this function to use
21111 output_short_table.
21113 2000-10-02 Akim Demaille <akim@epita.fr>
21115 `user_toknums' is output as a `short[]' in `output.c', while it is
21116 defined as a `int[]' in `reader.c'. For consistency with the
21117 other output tables, `user_toknums' is now defined as a table of
21120 * src/reader.c (user_toknums): Be a short table instead of an int
21122 Adjust dependencies.
21124 Factor the short table outputs.
21126 * src/output.c (output_short_table): New function.
21127 * src/output.c (output_gram, output_stos, output_rule_data)
21128 (output_base, output_table, output_check): Use it.
21130 2000-10-02 Akim Demaille <akim@epita.fr>
21132 * src/output.c (output): Topological sort of the functions, in
21133 order to get rid of the `static' prototypes.
21134 No longer use `register'.
21135 * src/output.h: New file.
21136 Propagate its inclusion in files explicitly prototyping functions
21139 2000-09-21 Akim Demaille <akim@epita.fr>
21141 * src/atgeneral.m4: Update from Autoconf.
21143 2000-09-21 Akim Demaille <akim@epita.fr>
21145 * src/closure.h: New file.
21146 * src/closure.c: Formatting changes, topological sort over the
21147 functions, use of closure.h.
21148 (initialize_closure, finalize_closure): Rename as...
21149 (new_closure, free_closure): these. Adjust dependencies.
21150 * src/LR0.c: Formatting changes, topological sort, use of
21152 (initialize_states): Rename as...
21153 (new_states): this.
21154 * src/Makefile.am (noinst_HEADERS): Adjust.
21156 2000-09-20 Akim Demaille <akim@epita.fr>
21158 * src/acconfig.h: Don't protect config.h against multiple
21160 Don't define PARAMS.
21161 * src/system.h: Define PARAMS.
21162 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
21163 purpose of config.h. system.h must not try to fix wrong
21164 definitions in config.h.
21166 2000-09-20 Akim Demaille <akim@epita.fr>
21168 * src/derives.h: New file.
21169 * src/main.c, src/derives.h: Use it.
21170 Formatting changes.
21171 * src/Makefile.am (noinst_HEADERS): Adjust.
21173 2000-09-20 Akim Demaille <akim@epita.fr>
21175 * tests/atgeneral.m4: Update from Autoconf.
21176 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
21177 (AT_CHECK_CALC): New macros.
21178 Use these macros to test bison with options `', `--raw',
21179 `--debug', `--yacc', `--yacc --debug'.
21181 2000-09-19 Akim Demaille <akim@epita.fr>
21183 * src/output.c: Formatting changes.
21184 * src/machine.h: Remove, leaving its contents in...
21185 * src/system.h: here.
21187 Adjust all dependencies on stdio.h and machine.h.
21188 * src/getargs.h: New file.
21189 Let all `extern' declarations about getargs.c be replaced with
21190 inclusion of `getargs.h'.
21191 * src/Makefile.am (noinst_HEADERS): Adjust.
21193 * tests/calc.m4 (yyin): Be initialized in main, not on the global
21195 (yyerror): Returns void, not int.
21196 * doc/bison.texinfo: Formatting changes.
21198 2000-09-19 Akim Demaille <akim@epita.fr>
21200 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
21203 2000-09-18 Akim Demaille <akim@epita.fr>
21205 * configure.in: Append WARNING_CFLAGS to CFLAGS.
21206 * src/Makefile.am (INCLUDES): Don't.
21207 Be ready to fetch headers in lib/.
21209 2000-09-18 Akim Demaille <akim@epita.fr>
21211 * doc/bison.texinfo: Update the copyright.
21212 ANSIfy and GNUify the examples.
21213 Remove the old menu.
21215 2000-09-18 Akim Demaille <akim@epita.fr>
21217 First set of tests: use the `calc' example from the documentation.
21219 * src/bison.s1 (yyparse): Condition the code using `yytname' which
21220 is defined only when YYDEBUG is.
21221 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
21222 * src/files.c (tryopen, tryclose): Formatting changes.
21223 Move to the top and be static.
21224 * src/reader.c (read_signed_integer): Likewise.
21225 * tests/calc.m4: New file.
21226 * Makefile.am, suite.m4: Adjust.
21227 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
21229 2000-09-18 Akim Demaille <akim@epita.fr>
21231 Add support for an Autotest test suite for Bison.
21233 * m4/m4.m4, m4/atconfig.m4: New files.
21234 * m4/Makefile.am (EXTRA_DIST): Adjust.
21235 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
21237 * src/getargs.c: Display a more standard --version message.
21238 * src/reader.c (reader): Formatting changes.
21239 No longer depend upon VERSION_STRING.
21240 * configure.in: No longer use `dnl'.
21241 Set up the test suite and the new directory `tests/.
21242 (VERSION_STRING): Remove.
21244 2000-04-14 Akim Demaille <akim@epita.fr>
21246 * src/reader.c (copy_comment2): New function, same as former
21247 `copy_comment', but outputs into two FILE *.
21248 (copy_comment): Use it.
21249 (parse_union_decl): Use it.
21250 (get_type, parse_start_decl): Use the same `invalid' message.
21251 (parse_start_decl, parse_union_decl): Use the same `multiple'
21253 (parse_union_decl, copy_guard, copy_action): Use the same
21254 `unmatched' message.
21255 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
21257 2000-03-31 Akim Demaille <akim@epita.fr>
21259 * src/files.c (tryopen, tryclose): Move to the top.
21262 2000-03-31 Akim Demaille <akim@epita.fr>
21264 * src/main.c (main): Don't call `done', exit does it.
21266 2000-03-31 Akim Demaille <akim@epita.fr>
21268 * allocate.c: s/return (foo)/return foo/.
21269 * lalr.c: Likewise.
21271 * output.c: Likewise.
21272 * reader.c: Likewise.
21273 * symtab.c: Likewise.
21274 * vmsgetargs.c: Likewise.
21276 2000-03-31 Akim Demaille <akim@epita.fr>
21278 Clean up the error reporting functions.
21280 * src/report.c: New file.
21281 * src/report.h: Likewise.
21282 * src/Makefile.am: Adjust.
21283 * m4/error.m4: New file.
21284 * m4/Makefile.am: Adjust.
21285 * configure.in (jm_PREREQ_ERROR): Call it.
21286 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
21288 (fatal, fatals): Remove. All callers use complain.c::fatal.
21289 (warn, warni, warns, warnss, warnss): Remove. All callers use
21290 complain.c::complain.
21291 (toomany): Remove, use fatal instead.
21292 * src/files.c (done): No argument, use complain_message_count.
21293 * src/main.c (main): Register `done' to `atexit'.
21295 * src/getargs.c (usage): More `fputs', less `fprintf'.
21297 2000-03-28 Akim Demaille <akim@epita.fr>
21299 * lib/: New directory.
21300 * Makefile.am (SUBDIRS): Adjust.
21301 * configure.in: Adjust.
21302 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
21304 * src/alloca.c: Moved to lib/.
21305 * src/getopt.c: Likewise.
21306 * src/getopt1.c: Likewise.
21307 * src/getopt.h: Likewise.
21308 * src/ansi2knr.c: Likewise.
21309 * src/ansi2knr.1: Likewise.
21310 * src/Makefile.am: Adjust.
21311 * lib/Makefile.am: New file.
21313 2000-03-28 Akim Demaille <akim@epita.fr>
21315 * src/getargs.c (usage): Refresh the help message.
21317 2000-03-17 Akim Demaille <akim@epita.fr>
21319 * src/getopt1.c: Updated from textutils 2.0e
21320 * src/getopt.c: Likewise.
21321 * src/getopt.h: Likewise.
21323 2000-03-17 Akim Demaille <akim@epita.fr>
21325 * src/Makefile.am (bison.simple): Fix the awk program: quote only
21326 the file name, not the whole `#line LINE FILE'.
21328 2000-03-17 Akim Demaille <akim@epita.fr>
21330 On syntax errors, report the token on which we choked.
21332 * src/bison.s1 (yyparse): In the label yyerrlab, when
21333 YYERROR_VERBOSE, add yychar in msg.
21335 2000-03-17 Akim Demaille <akim@epita.fr>
21337 * src/reader.c (copy_at): New function.
21338 (copy_guard): Use it.
21339 (copy_action): Use it.
21341 2000-03-17 Akim Demaille <akim@epita.fr>
21343 Be kind to translators, save some useless translations.
21345 * src/main.c (banner): New function.
21346 (fatal_banner): Use it.
21347 (warn_banner): Use it.
21349 2000-03-17 Akim Demaille <akim@epita.fr>
21351 * src/reader.c (copy_definition): Use copy_string and
21352 copy_comment. Removed now unused `match', `ended',
21354 (copy_comment, copy_string): Moved, to be visible from
21357 2000-03-17 Akim Demaille <akim@epita.fr>
21359 * src/reader.c (copy_string): Declare `static inline'. No
21360 problems with inline, since it is checked by configure.
21361 (copy_comment): Likewise.
21363 2000-03-17 Akim Demaille <akim@epita.fr>
21365 * src/reader.c (packsymbols): Formatting changes.
21367 2000-03-17 Akim Demaille <akim@epita.fr>
21369 * src/reader.c (copy_comment): New function, factored out from:
21370 (copy_action): Use it. Removed now unused `match', `ended',
21372 (copy_guard): Likewise.
21374 2000-03-17 Akim Demaille <akim@epita.fr>
21376 * src/reader.c (copy_string): New function, factored out from:
21377 (copy_action): Use it.
21378 (copy_guard): Likewise.
21380 2000-03-17 Akim Demaille <akim@epita.fr>
21382 Change the handling of @s so that they behave exactly like $s.
21383 There is now a pseudo variable @$ (readble and writable), location
21384 of the lhs of the rule (by default ranging from the location of
21385 the first symbol of the rhs, to the location of the last symbol,
21386 or, if the rhs is empty, YYLLOC).
21388 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
21390 (yyparse): When providing a default semantic action, provide a
21391 default location action.
21392 (after the $): No longer change `*YYLSP', just stack YYLOC the
21393 same way you stack YYVAL.
21394 * src/reader.c (read_declarations): Use warns.
21395 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
21396 (copy_action, case '@'): Likewise.
21397 Use a standard error message, to save useless work from
21400 2000-03-17 Akim Demaille <akim@epita.fr>
21402 * src/bison.s1: Formatting and cosmetics changes.
21403 * src/reader.c: Likewise.
21404 Update the Copyright notice.
21406 2000-03-17 Akim Demaille <akim@epita.fr>
21408 * src/bison.s1 (#line): All set to `#line' only, since the
21409 Makefile now handles them.
21411 2000-03-16 Akim Demaille <akim@epita.fr>
21413 * src/output.c (output_rule_data): Output the documentation of
21414 some of the tables.
21415 (Copyright notice): Update.
21416 Formatting changes.
21418 2000-03-16 Akim Demaille <akim@epita.fr>
21420 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
21421 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
21422 One `#if YYDEBUG' remains, since it uses variables which are
21423 defined only if `YYDEBUG != 0'.
21425 2000-03-16 Akim Demaille <akim@epita.fr>
21427 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
21428 and related variables so that the similarities are highlighted.
21430 2000-03-16 Akim Demaille <akim@epita.fr>
21432 * src/bison.s1: Properly indent CPP directives.
21434 2000-03-16 Akim Demaille <akim@epita.fr>
21436 * src/bison.s1: Properly indent the `alloca' CPP section.
21438 2000-03-16 Akim Demaille <akim@epita.fr>
21440 Do not hard code values of directories in `configure.in'.
21441 Update the `configure' tool chain.
21443 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
21445 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
21446 (AC_OUTPUT): Add m4/Makefile.
21447 Bump to bison 1.28a, 1.29 has never been released.
21448 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
21449 handled via src/Makefile.am.
21450 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
21451 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
21453 * Makefile.am (SUBDIRS): Add m4.
21454 (ACLOCAL_AM_FLAGS): New variable.
21455 (AUTOMAKE_OPTIONS): Add check-news.
21456 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
21457 the proper line number and file name.
21458 (DEFS): Propagate the location of bison library files and of the
21460 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
21462 * acinclude.m4: Remove, replaced by the directory m4.
21463 * m4/Makefile.am (EXTRA_DIST): New variable.
21464 * m4/gettext.m4: New file, from the fileutils.
21465 * m4/lcmessage.m4: Likewise
21466 * m4/progtest.m4: Likewise.
21467 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
21469 2000-03-10 Akim Demaille <akim@epita.fr>
21472 Formatting changes of various comments.
21473 Respect the GNU coding standards at various places.
21474 Don't use `_()' when no translation is needed.
21476 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21479 OS/2 honors TMPDIR environment variable.
21481 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21483 * doc/bison.texinfo: Tweaked spelling and grammar.
21485 Removed reference to price of printed copy.
21486 Mention BISON_SIMPLE and BISON_HAIRY.
21488 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21490 * configure.in, NEWS:
21491 Bison 1.29 released.
21493 1999-10-27 Jesse Thilo <jthilo@gnu.org>
21495 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
21496 Added reference card.
21498 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21500 * po/ru.po: Added Russian translation.
21502 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21504 * configure.in: Added Russian translation.
21506 1999-07-06 Jesse Thilo <jthilo@gnu.org>
21508 * configure.in, NEWS, README:
21509 Released version 1.28.
21511 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21514 Squashed redefinition warning on some systems.
21516 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
21517 Have configure build version string instead of relying on ANSI string
21520 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21522 * po/POTFILES.in: Got rid of version.c.
21524 1999-06-14 Jesse Thilo <jthilo@gnu.org>
21526 * acconfig.h, configure.in:
21527 Have configure build version string instead of relying on ANSI string
21530 1999-06-08 Jesse Thilo <jthilo@gnu.org>
21533 Dropped mention of `+' for long-named options.
21535 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21537 * src/files.c: Added <unistd.h> for unlink().
21539 * src/Makefile.am, src/system.h:
21542 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21544 * README: Added a FAQ list.
21546 * configure.in, acconfig.h:
21549 1999-05-30 Jesse Thilo <jthilo@gnu.org>
21551 * doc/FAQ, doc/Makefile.am:
21554 1999-05-19 Jesse Thilo <jthilo@gnu.org>
21556 * src/alloc.h, src/symtab.h, src/version.c:
21557 Protected inclusion of "config.h" with HAVE_CONFIG_H.
21559 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21561 * src/.cvsignore, src/Makefile.am:
21562 Reorganized: sources in `src', documentation in `doc'.
21564 * src/lex.c (literalchar):
21565 fixed the code for escaping double quotes (thanks
21568 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21570 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
21571 Adjusted paths to reflect directory reorganization.
21573 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21575 * doc/.cvsignore, doc/Makefile.am:
21576 Reorganized: sources in `src', documentation in `doc'.
21578 1999-04-18 Jesse Thilo <jthilo@gnu.org>
21581 Updated AC_INIT file to reflect directory reorganization.
21583 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
21584 Reorganized: sources in `src', documentation in `doc'.
21586 1999-04-13 Jesse Thilo <jthilo@gnu.org>
21589 Don't declare calloc() and realloc() if not necessary.
21591 1999-04-13 Jesse Thilo <jthilo@gnu.org>
21593 * configure.in, acconfig.h, acinclude.m4:
21594 Don't declare calloc() and realloc() if not necessary.
21596 1999-03-23 Jesse Thilo <jthilo@gnu.org>
21598 * po/.cvsignore: Added i18n support.
21600 1999-03-23 Jesse Thilo <jthilo@gnu.org>
21602 * acconfig.h, configure.in, Makefile.am:
21603 Added i18n support.
21605 1999-03-22 Jesse Thilo <jthilo@gnu.org>
21607 * src/bison.s1: Fixed #line numbers.
21609 1999-03-15 Jesse Thilo <jthilo@gnu.org>
21611 * po/es.po, po/fr.po, po/nl.po, po/de.po:
21612 Added PO files from Translation Project.
21614 1999-03-03 Jesse Thilo <jthilo@gnu.org>
21617 Added support for non-ANSI compilers (ansi2knr).
21619 1999-02-16 Jesse Thilo <jthilo@gnu.org>
21621 * configure.in: Bumped version number to 1.27.
21624 Added `bison.simple' to list of files removed by `make distclean'.
21626 1999-02-12 Jesse Thilo <jthilo@gnu.org>
21628 * src/files.c, src/files.h:
21629 Defined locations of parser files in config.h instead of Makefile.
21631 1999-02-12 Jesse Thilo <jthilo@gnu.org>
21633 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
21634 Defined locations of parser files in config.h instead of Makefile.
21636 1999-02-09 Jesse Thilo <jthilo@gnu.org>
21639 Removed inappropriate use of $< macro.
21641 1999-02-05 Jesse Thilo <jthilo@gnu.org>
21643 * po/Makefile.in.in, po/POTFILES.in:
21644 Add `po' directory skeleton.
21646 1999-01-27 Jesse Thilo <jthilo@gnu.org>
21648 * README: Document help-bison list.
21650 * configure.in: Add check for mkstemp().
21652 1999-01-20 Jesse Thilo <jthilo@gnu.org>
21654 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
21655 Hush a few compiler warnings.
21658 Add tryclose(), which verifies that fclose was successful.
21659 Hush a couple of compiler warnings.
21661 1999-01-20 Jesse Thilo <jthilo@gnu.org>
21663 * Makefile.am, OChangeLog:
21664 ChangeLog is now automatically generated. Include the old version as
21667 1999-01-14 Jesse Thilo <jthilo@gnu.org>
21669 * 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:
21670 Update FSF address.
21672 1999-01-14 Jesse Thilo <jthilo@gnu.org>
21674 * doc/bison.texinfo: Fix formatting glitch.
21676 * doc/bison.texinfo: Update FSF address.
21678 1999-01-14 Jesse Thilo <jthilo@gnu.org>
21680 * acconfig.h: Update FSF address.
21682 1999-01-08 Jesse Thilo <jthilo@gnu.org>
21685 Don't define PACKAGE here, since config.h defines it.
21687 1998-12-30 Jesse Thilo <jthilo@gnu.org>
21689 * src/reader.c: Update copyright date.
21692 Ditch sprintf to statically-sized buffers in fatal/warn functions in
21693 favor of output directly to stderr (avoids buffer overruns).
21695 * src/reader.c: Some checks for premature EOF.
21697 * 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:
21698 Use prototypes if the compiler understands them.
21700 * src/files.c: Honor TMPDIR on Unix hosts.
21701 Use prototypes if the compiler understands them.
21704 Fix a couple of buffer overrun bugs.
21705 Use prototypes if the compiler understands them.
21707 * src/system.h: Include unistd.h and ctype.h.
21708 Use #ifdef instead of #if for NLS symbols.
21710 1998-12-30 Jesse Thilo <jthilo@gnu.org>
21712 * doc/bison.texinfo:
21713 Delete comment "consider using @set for edition number, etc..." since
21714 we now are doing so.
21716 1998-12-30 Jesse Thilo <jthilo@gnu.org>
21719 Use prototypes if the compiler understands them.
21721 * NEWS: Document 1.26 highlights.
21723 * Makefile.am: Require Automake 1.3 or later.
21726 Use prototypes if the compiler understands them.
21728 1998-12-29 Jesse Thilo <jthilo@gnu.org>
21731 Use VERSION symbol from automake for version number.
21733 1998-12-29 Jesse Thilo <jthilo@gnu.org>
21735 * acconfig.h, configure.in, version.cin:
21736 Use VERSION symbol from automake for version number.
21738 1998-11-28 Jesse Thilo <jthilo@gnu.org>
21741 Distribute original version of simple parser (bison.s1), not built
21742 version (bison.simple).
21744 1998-11-28 Jesse Thilo <jthilo@gnu.org>
21746 * doc/bison.texinfo: Add info dir entry.
21748 * doc/bison.texinfo:
21749 Let automake put version number into documentation.
21751 1998-11-26 Jesse Thilo <jthilo@gnu.org>
21753 * src/bison.cld, src/build.com, src/vmshlp.mar:
21754 Add non-RCS files from /gd/gnu/bison.
21756 1998-11-26 Jesse Thilo <jthilo@gnu.org>
21759 Document the BISON_HAIRY and BISON_SIMPLE variables.
21761 1998-11-25 Jesse Thilo <jthilo@gnu.org>
21763 * src/version.c: Build version.c automatically.
21766 Fix token numbering (used to start at 258, not 257).
21768 * src/system.h: Include config.h.
21770 * src/getargs.c: Update bug report address.
21772 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
21773 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
21775 1998-11-25 Jesse Thilo <jthilo@gnu.org>
21778 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
21780 * configure.in, version.cin:
21781 Build version.c automatically.
21783 * AUTHORS: Add AUTHORS file.
21785 * README: Update bug report address.
21788 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
21790 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
21791 Add automake stuff.
21793 1998-11-25 Jesse Thilo <jthilo@gnu.org>
21795 * doc/bison.texinfo: Clean up some formatting.
21797 1998-05-05 Richard Stallman <rms@gnu.org>
21799 * doc/bison.texinfo:
21800 Explain better why to make a pure parser.
21802 1998-01-05 Richard Stallman <rms@gnu.org>
21804 * src/files.c (openfiles):
21805 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
21806 find a temporary directory, if possible. Do not unlink files while
21809 1997-08-25 Richard Stallman <rms@gnu.org>
21811 * src/reader.c (stack_offset;):
21812 Change some warni to warns.
21814 * src/lex.c (literalchar): Use warns, not warni.
21816 1997-06-28 Richard Stallman <rms@gnu.org>
21818 * src/bison.s1: Add a Bison version comment.
21820 * src/main.c (fatal, warn, berror):
21823 1997-06-28 Richard Stallman <rms@gnu.org>
21825 * Makefile.in (bison_version): New variable.
21826 (dist): Use that variable.
21827 (bison.s1): Substitute the Bison version into bison.simple.
21829 * bison.simple: Add a Bison version comment.
21831 1997-06-18 Richard Stallman <rms@gnu.org>
21833 * src/main.c (fatal, warn, berror):
21834 Make error messages standard.
21835 (toomany): Improve error message text.
21837 * 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:
21838 new.h renamed to alloc.h.
21840 1997-06-18 Richard Stallman <rms@gnu.org>
21842 * Makefile.in: new.h renamed to alloc.h.
21844 1997-05-24 Richard Stallman <rms@gnu.org>
21846 * src/lex.c (literalchar):
21847 Fix the code for escaping \, " and '.
21849 (lex): Avoid trouble when there are many chars
21850 to discard in a char literal with just several chars in it.
21852 1997-05-17 Richard Stallman <rms@gnu.org>
21855 Use malloc, if using alloca is troublesome.
21856 (YYSTACK_USE_ALLOCA): New flag macro.
21857 Define it for some systems and compilers.
21858 (YYSTACK_ALLOC): New macro.
21859 (yyparse): Use YYSTACK_ALLOC to allocate stack.
21860 If it was malloc'd, free it.
21862 1997-05-17 Richard Stallman <rms@gnu.org>
21865 Use malloc, if using alloca is troublesome.
21866 (YYSTACK_USE_ALLOCA): New flag macro.
21867 Define it for some systems and compilers.
21868 (YYSTACK_ALLOC): New macro.
21869 (yyparse): Use YYSTACK_ALLOC to allocate stack.
21870 If it was malloc'd, free it.
21872 1997-04-23 Richard Stallman <rms@gnu.org>
21875 (alloca) [__hpux]: Always define as __builtin_alloca.
21877 1997-04-23 Richard Stallman <rms@gnu.org>
21880 (alloca) [__hpux]: Always define as __builtin_alloca.
21882 1997-04-22 Richard Stallman <rms@gnu.org>
21885 [__hpux]: Include alloca.h (right for HPUX 10)
21886 instead of declaring alloca (right for HPUX 9).
21888 * src/bison.s1 (__yy_memcpy):
21889 Declare arg `count' as unsigned int.
21890 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
21892 1997-04-22 Richard Stallman <rms@gnu.org>
21895 [__hpux]: Include alloca.h (right for HPUX 10)
21896 instead of declaring alloca (right for HPUX 9).
21898 * bison.simple (__yy_memcpy):
21899 Declare arg `count' as unsigned int.
21900 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
21902 1997-01-03 Richard Stallman <rms@gnu.org>
21904 * src/allocate.c: [__STDC__ or _MSC_VER]:
21905 Declare calloc and realloc to return void *.
21907 1997-01-02 Richard Stallman <rms@gnu.org>
21910 [_MSC_VER]: Include stdlib.h and process.h.
21911 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
21913 * src/main.c (main): Return FAILURE as a value.
21914 (printable_version): Declare arg as int, not char.
21916 1997-01-02 Richard Stallman <rms@gnu.org>
21918 * Makefile.in (dist):
21919 Explicitly check for symlinks, and copy them.
21921 1996-12-19 Richard Stallman <rms@gnu.org>
21924 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
21926 1996-12-18 Paul Eggert <eggert@gnu.org>
21928 * src/bison.s1 (yyparse):
21929 If __GNUC__ and YYPARSE_PARAM are both defined,
21930 declare yyparse to have a void * argument.
21932 1996-12-18 Paul Eggert <eggert@gnu.org>
21934 * bison.simple (yyparse):
21935 If __GNUC__ and YYPARSE_PARAM are both defined,
21936 declare yyparse to have a void * argument.
21938 1996-12-17 Richard Stallman <rms@gnu.org>
21940 * src/reduce.c (nbits): Add some casts.
21942 1996-08-12 Richard Stallman <rms@gnu.org>
21944 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
21946 1996-08-12 Richard Stallman <rms@gnu.org>
21948 * bison.simple: Test _MSDOS as well as _MSDOS_.
21950 1996-07-31 Richard Stallman <rms@gnu.org>
21953 [__sun && __i386]: Include alloca.h.
21955 1996-07-31 Richard Stallman <rms@gnu.org>
21958 [__sun && __i386]: Include alloca.h.
21960 1996-07-30 Richard Stallman <rms@gnu.org>
21962 * src/bison.s1: Comment change.
21964 * src/bison.s1: Test _MSDOS_, not MSDOS.
21966 1996-07-30 Richard Stallman <rms@gnu.org>
21968 * bison.simple: Comment change.
21970 * bison.simple: Test _MSDOS_, not MSDOS.
21972 1996-06-01 Richard Stallman <rms@gnu.org>
21974 * 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:
21975 Insert `_' macro around many string constants.
21978 Insert `_' macro around many string constants.
21980 (main): Call setlocale, bindtextdomain and textdomain.
21982 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
21983 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
21984 [ENABLE_NLS]: Include libintl.h.
21985 [ENABLE_NLS] (gettext): Define.
21986 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
21987 (N_, PACKAGE, LOCALEDIR): New macros.
21989 1996-06-01 Richard Stallman <rms@gnu.org>
21991 * POTFILES.in: New file.
21993 * Makefile.in (allocate.o):
21994 Define target explicitly.
21996 * Makefile.in (CFLAGS): Set to @CFLAGS@.
21997 (LDFLAGS): Set to @LDFLAGS@.
21998 (configure): Run autoconf only if preceding `cd' succeeds.
21999 (bison.s1): Redirect output to temporary file then move the
22000 temporary to the target, rather than redirecting directly to bison.s1.
22001 (clean): Remove config.status and config.log.
22002 (distclean): Don't remove config.status here.
22004 1996-05-12 Richard Stallman <rms@gnu.org>
22007 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22009 1996-05-12 Richard Stallman <rms@gnu.org>
22012 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22014 1996-05-11 Richard Stallman <rms@gnu.org>
22016 * src/bison.s1 (__yy_memcpy):
22017 Really reorder the args, as was supposedly done on Feb 14 1995.
22018 (yyparse): Calls changed accordingly.
22020 1996-05-11 Richard Stallman <rms@gnu.org>
22022 * Makefile.in (dist): Don't use $(srcdir).
22024 * bison.simple (__yy_memcpy):
22025 Really reorder the args, as was supposedly done on Feb 14 1995.
22026 (yyparse): Calls changed accordingly.
22028 1996-01-27 Richard Stallman <rms@gnu.org>
22030 * src/output.c (output_rule_data):
22031 Test YYERROR_VERBOSE in the conditional
22032 around the definition of ttyname.
22034 1995-12-29 Richard Stallman <rms@gnu.org>
22037 Fix line numbers in #line commands.
22039 1995-12-29 Richard Stallman <rms@gnu.org>
22042 Fix line numbers in #line commands.
22044 1995-12-27 Richard Stallman <rms@gnu.org>
22046 * src/bison.s1 (YYPARSE_PARAM_DECL):
22047 In C++, make it always null.
22048 (YYPARSE_PARAM_ARG): New macro.
22049 (yyparse): Use YYPARSE_PARAM_ARG.
22051 1995-12-27 Richard Stallman <rms@gnu.org>
22053 * bison.simple (YYPARSE_PARAM_DECL):
22054 In C++, make it always null.
22055 (YYPARSE_PARAM_ARG): New macro.
22056 (yyparse): Use YYPARSE_PARAM_ARG.
22058 1995-11-29 Richard Stallman <rms@gnu.org>
22060 * doc/bison.texinfo:
22061 Describe literal string tokens, %raw, %no_lines, %token_table.
22063 1995-11-29 Daniel Hagerty <hag@gnu.org>
22065 * doc/bison.texinfo: Fixed update date
22067 1995-10-16 Richard Stallman <rms@gnu.org>
22069 * src/version.c: Version 1.25.
22071 1995-10-16 Richard Stallman <rms@gnu.org>
22073 * NEWS: *** empty log message ***
22075 1995-10-16 Richard Stallman <rms@gnu.org>
22077 * doc/bison.1, doc/bison.rnh:
22080 1995-10-15 Richard Stallman <rms@gnu.org>
22082 * src/vmsgetargs.c, src/getargs.c:
22083 Added -n, -k, and -raw switches.
22084 (noparserflag, toknumflag, rawtoknumflag): New variables.
22086 * src/symtab.h (SALIAS):
22087 New #define for adding aliases to %token.
22088 (struct bucket): Added `alias' field.
22090 * src/reduce.c (reduce_grammar):
22091 Revise error message.
22092 (print_notices): Remove final `.' from error message.
22094 * src/reader.c (reader_output_yylsp):
22096 (readgram): Use `#if 0' around code that accepted %command
22097 inside grammar rules: The documentation doesn't allow it,
22098 and it will fail since the %command processors scan for the next %.
22099 (parse_token_decl): Extended the %token
22100 declaration to allow a multi-character symbol as an alias.
22101 (parse_thong_decl): New function.
22102 (read_declarations): Added %thong declarations.
22103 (read_declarations): Handle NOOP to deal with allowing
22104 % declarations as another means to specify the flags.
22105 (readgram): Allow %prec prior to semantics embedded in a rule.
22106 (skip_to_char, read_declarations, copy_definition)
22107 (parse_token_decl, parse_start_decl, parse_type_decl)
22108 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
22109 (get_type_name, copy_guard, copy_action, readgram)
22110 (get_type, packsymbols): Revised most error messages.
22111 Changed `fatal' to `warnxxx' to avoid aborting for error.
22112 Revised and use multiple warnxxx functions to avoid using VARARGS1.
22113 (read_declarations): Improve the error message for
22114 an invalid character. Do not abort.
22115 (read_declarations, copy_guard, copy_action): Use
22116 printable_version to avoid unprintable characters in printed output.
22117 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
22118 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
22119 Allow the type of a non-terminal can be given
22120 more than once, as long as all specifications give the same type.
22123 (output_headers, output_trailers, output, output_gram)
22124 (output_rule_data): Implement noparserflag variable.
22125 Implement toknumflag variable.
22126 (output): Call reader_output_yylsp to output LTYPESTR.
22128 * src/main.c (main):
22129 If reader sees an error, don't process the grammar.
22130 (fatals): Updated to not use VARARGS1.
22131 (printable_version, int_to_string, warn, warni, warns, warnss)
22132 (warnsss): New error reporting functions. Avoid abort for error.
22135 Added THONG and NOOP for alias processing.
22136 Added SETOPT for the new code that allows setting options with %flags.
22139 Include getopt.h. Add some extern decls.
22140 (safegetc): New function to deal with EOF gracefully.
22141 (literalchar); new function to deal with reading \ escapes.
22142 (lex): Use literalchar.
22143 (lex): Implemented "..." tokens.
22144 (literalchar, lex, parse_percent_token): Made tokenbuffer
22145 always contain the token. This includes growing the token
22146 buffer while reading an integer.
22147 (parse_percent_token): Replaced if-else statement with percent_table.
22148 (parse_percent_token): Added % declarations as another
22149 way to specify the flags -n, -l, and -r. Also added hooks for
22150 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
22151 major changes to files.c.
22152 (lex) Retain in the incoming stream a character following
22154 (skip_white_space, lex): Revised most error messages
22155 and changed fatal to warn to avoid aborting.
22156 (percent_table): Added %thong declarations.
22158 * src/gram.h: Comment changes.
22160 * src/files.c (openfiles, open_extra_files, done):
22162 and actfile file. Handle noparserflag. Both for -n switch.
22164 * src/conflicts.c (resolve_sr_conflict):
22165 Remove use of alloca.
22167 1995-06-01 Jim Meyering <meyering@gnu.org>
22169 * doc/bison.texinfo: *** empty log message ***
22171 1995-05-06 Richard Stallman <rms@gnu.org>
22173 * src/bison.s1: Comment change.
22175 1995-05-06 Richard Stallman <rms@gnu.org>
22177 * bison.simple: Comment change.
22179 1995-05-03 Richard Stallman <rms@gnu.org>
22181 * src/version.c: Version now 1.24.
22183 * src/bison.s1: Change distribution terms.
22185 * src/version.c: Version now 1.23.
22187 1995-05-03 Richard Stallman <rms@gnu.org>
22189 * doc/bison.texinfo:
22190 Rewrite "Conditions for Using Bison".
22191 Update version to 1.24.
22193 1995-05-03 Richard Stallman <rms@gnu.org>
22195 * bison.simple: Change distribution terms.
22197 1995-02-23 Richard Stallman <rms@gnu.org>
22199 * src/files.c: Test __VMS_POSIX as well as VMS.
22201 1995-02-14 Jim Meyering <meyering@gnu.org>
22203 * src/bison.s1 (__yy_memcpy):
22204 Renamed from __yy_bcopy to avoid
22205 confusion. Reverse FROM and TO arguments to be consistent with
22208 1995-02-14 Jim Meyering <meyering@gnu.org>
22210 * bison.simple (__yy_memcpy):
22211 Renamed from __yy_bcopy to avoid
22212 confusion. Reverse FROM and TO arguments to be consistent with
22215 1994-11-10 David J. MacKenzie <djm@gnu.org>
22221 * Makefile.in (DISTFILES): Include NEWS.
22223 * Makefile.in (DISTFILES):
22224 Include install-sh, not install.sh.
22226 * configure.in: Update to Autoconf v2 macro names.
22228 1994-10-05 David J. MacKenzie <djm@gnu.org>
22230 * Makefile.in: fix typo
22232 * Makefile.in (prefix, exec_prefix):
22233 Let configure set them.
22235 1994-09-28 David J. MacKenzie <djm@gnu.org>
22237 * Makefile.in: Set datadir to $(prefix)/share.
22239 1994-09-15 Richard Stallman <rms@gnu.org>
22242 Update copyright notice and GPL version.
22244 1994-09-15 Richard Stallman <rms@gnu.org>
22247 Update copyright notice and GPL version.
22249 1994-07-12 Richard Stallman <rms@gnu.org>
22251 * src/reduce.c, src/reader.c:
22254 1994-05-05 David J. MacKenzie <djm@gnu.org>
22256 * Makefile.in: entered into RCS
22258 1994-03-26 Richard Stallman <rms@gnu.org>
22260 * src/bison.s1: entered into RCS
22262 1994-03-26 Richard Stallman <rms@gnu.org>
22264 * bison.simple: entered into RCS
22266 1994-03-25 Richard Stallman <rms@gnu.org>
22268 * src/main.c: entered into RCS
22270 1994-03-24 Richard Stallman <rms@gnu.org>
22272 * src/conflicts.c: entered into RCS
22274 1994-01-02 Richard Stallman <rms@gnu.org>
22276 * Makefile.in: *** empty log message ***
22278 1993-11-21 Richard Stallman <rms@gnu.org>
22280 * src/bison.s1: *** empty log message ***
22282 1993-11-21 Richard Stallman <rms@gnu.org>
22284 * doc/bison.texinfo: entered into RCS
22286 * doc/bison.texinfo: *** empty log message ***
22288 1993-11-21 Richard Stallman <rms@gnu.org>
22290 * bison.simple: *** empty log message ***
22292 1993-10-25 David J. MacKenzie <djm@gnu.org>
22294 * doc/bison.texinfo: *** empty log message ***
22296 1993-10-19 Richard Stallman <rms@gnu.org>
22298 * src/bison.s1: *** empty log message ***
22300 1993-10-19 Richard Stallman <rms@gnu.org>
22302 * bison.simple: *** empty log message ***
22304 1993-10-14 Richard Stallman <rms@gnu.org>
22306 * src/bison.s1: *** empty log message ***
22308 1993-10-14 Richard Stallman <rms@gnu.org>
22310 * bison.simple: *** empty log message ***
22312 1993-09-14 David J. MacKenzie <djm@gnu.org>
22314 * doc/bison.texinfo: *** empty log message ***
22316 1993-09-13 Noah Friedman <friedman@gnu.org>
22318 * Makefile.in: *** empty log message ***
22320 1993-09-10 Richard Stallman <rms@gnu.org>
22322 * src/conflicts.c: *** empty log message ***
22324 * src/system.h: entered into RCS
22326 1993-09-10 Richard Stallman <rms@gnu.org>
22328 * doc/bison.1: entered into RCS
22330 1993-09-06 Noah Friedman <friedman@gnu.org>
22332 * src/version.c: entered into RCS
22334 1993-09-06 Noah Friedman <friedman@gnu.org>
22336 * Makefile.in: *** empty log message ***
22338 1993-07-30 David J. MacKenzie <djm@gnu.org>
22340 * Makefile.in: *** empty log message ***
22342 1993-07-24 Richard Stallman <rms@gnu.org>
22344 * src/bison.s1: *** empty log message ***
22346 1993-07-24 Richard Stallman <rms@gnu.org>
22348 * bison.simple: *** empty log message ***
22350 1993-07-08 David J. MacKenzie <djm@gnu.org>
22352 * Makefile.in: *** empty log message ***
22354 1993-07-04 Richard Stallman <rms@gnu.org>
22356 * src/bison.s1: *** empty log message ***
22358 1993-07-04 Richard Stallman <rms@gnu.org>
22360 * bison.simple: *** empty log message ***
22362 1993-06-26 David J. MacKenzie <djm@gnu.org>
22364 * src/getargs.c: entered into RCS
22366 1993-06-26 David J. MacKenzie <djm@gnu.org>
22368 * doc/bison.texinfo: *** empty log message ***
22370 * doc/bison.1: New file.
22372 1993-06-25 Richard Stallman <rms@gnu.org>
22374 * src/getargs.c: New file.
22376 1993-06-16 Richard Stallman <rms@gnu.org>
22378 * src/bison.s1: *** empty log message ***
22380 1993-06-16 Richard Stallman <rms@gnu.org>
22382 * bison.simple: *** empty log message ***
22384 1993-06-03 Richard Stallman <rms@gnu.org>
22386 * src/bison.s1: New file.
22388 1993-06-03 Richard Stallman <rms@gnu.org>
22390 * doc/bison.texinfo: *** empty log message ***
22392 1993-06-03 Richard Stallman <rms@gnu.org>
22394 * bison.simple: New file.
22396 1993-05-19 Richard Stallman <rms@gnu.org>
22398 * doc/bison.texinfo: New file.
22400 1993-05-07 Noah Friedman <friedman@gnu.org>
22402 * Makefile.in: *** empty log message ***
22404 1993-04-28 Noah Friedman <friedman@gnu.org>
22406 * src/reader.c: *** empty log message ***
22408 1993-04-23 Noah Friedman <friedman@gnu.org>
22410 * src/alloc.h: entered into RCS
22412 1993-04-20 David J. MacKenzie <djm@gnu.org>
22414 * src/version.c: *** empty log message ***
22416 * src/files.c, src/allocate.c:
22419 * src/reader.c: *** empty log message ***
22421 * src/lex.c: entered into RCS
22423 * src/conflicts.c: New file.
22425 * src/symtab.c: entered into RCS
22427 * src/alloc.h: New file.
22429 * src/LR0.c: entered into RCS
22431 1993-04-18 Noah Friedman <friedman@gnu.org>
22433 * src/reader.c: New file.
22435 * src/version.c: *** empty log message ***
22437 1993-04-18 Noah Friedman <friedman@gnu.org>
22439 * Makefile.in: *** empty log message ***
22441 1993-04-17 Noah Friedman <friedman@gnu.org>
22443 * Makefile.in: *** empty log message ***
22445 1993-04-15 Richard Stallman <rms@gnu.org>
22447 * src/main.c, src/files.c:
22450 1993-04-15 Noah Friedman <friedman@gnu.org>
22452 * configure.in: entered into RCS
22454 * configure.in: *** empty log message ***
22456 * configure.in: New file.
22458 1993-04-14 Richard Stallman <rms@gnu.org>
22460 * Makefile.in: New file.
22462 1993-04-13 Richard Stallman <rms@gnu.org>
22464 * src/version.c: New file.
22466 1993-03-25 Richard Stallman <rms@gnu.org>
22468 * src/output.c: entered into RCS
22470 1992-09-25 Richard Stallman <rms@gnu.org>
22472 * configure.bat: entered into RCS
22474 1992-06-22 Richard Stallman <rms@gnu.org>
22476 * src/vmsgetargs.c: entered into RCS
22478 1992-06-22 Richard Stallman <rms@gnu.org>
22480 * doc/bison.rnh: entered into RCS
22482 1992-04-20 David J. MacKenzie <djm@gnu.org>
22484 * README: entered into RCS
22486 1992-01-22 Richard Stallman <rms@gnu.org>
22488 * src/machine.h: entered into RCS
22490 1991-12-21 Richard Stallman <rms@gnu.org>
22492 * src/lalr.c, src/closure.c:
22495 1991-12-20 Richard Stallman <rms@gnu.org>
22497 * src/state.h: entered into RCS
22499 1991-12-18 Richard Stallman <rms@gnu.org>
22501 * src/print.c, src/nullable.c, src/derives.c:
22504 1991-11-03 David J. MacKenzie <djm@gnu.org>
22506 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
22509 1988-09-09 Richard Stallman <rms@gnu.org>
22511 * src/bison.hairy: entered into RCS
22513 1987-12-16 Richard Stallman <rms@gnu.org>
22515 * REFERENCES: entered into RCS
22520 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
22521 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
22522 Free Software Foundation, Inc.
22524 Copying and distribution of this file, with or without
22525 modification, are permitted provided the copyright notice and this
22526 notice are preserved.